Consumable switching device and consumable switching system

Abstract

The utility model discloses a consumable switching device and a consumable switching system, the consumable switching device comprises at least two sets of movable consumable channels, one set of consumable channel comprises at least one double-channel unit, the other set of consumable channel is connected with a driving structure, and the other set of consumable channel is connected with the driving structure. The driving structure is used for driving a group of consumable channels to be switched between a first position and a second position; compared with the mode that a single printing head is connected with one consumable input device, the consumable switching device and the consumable switching system have the advantages that one consumable input device can supply the consumables to the two printing heads at the same time, two consumable input devices do not need to be adopted, and the utilization rate of the consumables and the utilization rate of the device are increased.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, in particular to a consumable switching device and a consumable switching system. Background Art

[0002] The 3D printer technology is a technology that uses digital model files, takes powdery metals or plastics and other bondable materials as printing materials, and constructs three-dimensional objects by adding materials layer by layer. The 3D printer technology belongs to a kind of rapid prototyping manufacturing technology and can print complex geometric shapes and functional parts. The 3D printing technology is developing rapidly, its application scope is constantly expanding, and it has had a profound impact on multiple fields such as manufacturing, medical treatment, architecture, and art.

[0003] When the 3D printer technology prints colored objects, it is necessary to frequently replace the printing consumables of different colors of the print head. The switching efficiency of the printing consumables is low, which affects the printing efficiency of the 3D printer and fails to meet the use requirements. Summary of the Utility Model

[0004] To overcome the problems existing in the related art, the purpose of the utility model is to provide a consumable switching device and a consumable switching system.

[0005] According to one aspect of the utility model, a consumable switching device is provided. The consumable switching device includes at least two groups of consumable channels that can move positions. One group of consumable channels includes at least one double-channel unit. One group of consumable channels is connected to a driving structure, and the driving structure is used to drive one group of consumable channels to switch between a first position and a second position.

[0006] In some embodiments, the at least two groups of consumable channels that can move positions are arranged side by side on the same straight line.

[0007] In some embodiments, the double-channel unit includes two channels arranged side by side on the same straight line.

[0008] In some embodiments, the double-channel unit is one of a straight-through double-channel, a cross double-channel, or a mixed double-channel.

[0009] The straight-through double-channel includes two straight channels arranged side by side on the same straight line. The cross double-channel includes two reversing channels arranged side by side on the same straight line. The mixed double-channel includes a straight channel and a reversing channel arranged side by side on the same straight line.

[0010] In some embodiments, the inlet end and the outlet end of the reversing channel are located on different sides.

[0011] In some embodiments, one group of consumable channels includes two double-channel units.

[0012] In the second aspect of the present utility model, a consumable switching system is provided. The system includes the consumable switching device in any one of the above, and a consumable export structure for conducting the consumables in the consumable switching device to the print head.

[0013] The consumable export structure includes a first export channel and a second export channel respectively connected to the output end of the consumable switching device. The first export channel is used to conduct the consumables output by the consumable switching device to the first print head, and the second export channel is used to conduct the consumables output by the consumable switching device to the second print head.

[0014] In some embodiments, the system further includes a consumable input device for inputting consumables into the consumable switching device.

[0015] The consumable input device includes at least two groups of input channels corresponding to the at least two groups of consumable channels with movable positions. One group of input channels includes at least one straight channel.

[0016] In some embodiments, one group of consumable channels includes two double-channel units, and one group of input channels includes two straight channels; or,

[0017] One group of consumable channels includes one double-channel unit, and one group of input channels includes one straight channel.

[0018] In some embodiments, one group of consumable channels includes a straight-through double channel and a cross double channel arranged side by side on the same straight line.

[0019] In some embodiments, the consumable switching device includes at least two groups of consumable channels with movable positions arranged side by side in the horizontal direction. One group of consumable channels includes a straight-through double channel and a cross double channel arranged side by side in the vertical direction. One group of consumable channels is connected to a driving structure, and the driving structure is used to drive one group of consumable channels to switch between a first position and a second position.

[0020] The consumable export structure is correspondingly arranged with the straight-through double channel or the cross double channel of at least two groups of consumable channels.

[0021] In some embodiments, the straight-through double channel includes two straight channels arranged side by side in the vertical direction. The straight-through double channel is used to guide the consumables to pass through the straight-through double channel in the same direction. The cross double channel includes two reversing channels arranged side by side in the vertical direction. The cross double channel is used to guide the consumables to enter from the upper channel at the entrance end of the cross double channel and output from the lower channel at the exit end of the cross double channel; the cross double channel is used to guide the consumables to enter from the lower channel at the entrance end of the cross double channel and output from the upper channel at the exit end of the cross double channel.

[0022] In some embodiments, the consumable export structure includes a first export channel and a second export channel arranged side by side in the vertical direction. The consumable export structure is correspondingly arranged with the outlet ends of the direct two-channel of at least two groups of consumable channels. The first export channel is correspondingly arranged with the upper outlet end of the direct two-channel, and the second export channel is correspondingly arranged with the lower outlet end of the direct two-channel; or,

[0023] The consumable export structure is correspondingly arranged with the outlet ends of the cross two-channel of at least two groups of consumable channels. The first export channel is correspondingly arranged with the upper outlet end of the cross two-channel, and the second export channel is correspondingly arranged with the lower outlet end of the cross two-channel.

[0024] In some embodiments, the consumable switching device includes at least two groups of consumable channels that can be moved in position and arranged side by side in the vertical direction. One group of consumable channels includes a direct two-channel and a cross two-channel arranged side by side in the horizontal direction. One group of consumable channels is connected to a driving structure, and the driving structure is used to drive one group of consumable channels to switch between a first position and a second position;

[0025] The consumable export structure is correspondingly arranged with the direct two-channel or the cross two-channel of at least two groups of consumable channels.

[0026] In some embodiments, the direct two-channel includes two consumable channels arranged side by side in the horizontal direction. The direct two-channel is used to guide the consumable to pass through the direct two-channel in the same direction. The cross two-channel includes two reversing channels arranged side by side in the horizontal direction. The cross two-channel is used to guide the consumable to enter from the left channel at the entrance end of the cross two-channel and output from the right channel at the exit end of the cross two-channel; the cross two-channel is used to guide the consumable to enter from the right channel at the entrance end of the cross two-channel and output from the left channel at the exit end of the cross two-channel.

[0027] In some embodiments, the consumable export structure includes a first export channel and a second export channel arranged side by side in the horizontal direction. The consumable export structure is correspondingly arranged with the outlet ends of the direct two-channel of at least two groups of consumable channels. The first export channel is correspondingly arranged with the left outlet end of the direct two-channel, and the second export channel is correspondingly arranged with the right outlet end of the direct two-channel; or,

[0028] The consumable export structure is correspondingly arranged with the outlet ends of the cross two-channel of at least two groups of consumable channels. The first export channel is correspondingly arranged with the left outlet end of the cross two-channel, and the second export channel is correspondingly arranged with the right outlet end of the cross two-channel.

[0029] In some embodiments, the consumable input device includes at least two sets of input channels arranged side by side on the same straight line, and the consumable input device is correspondingly arranged at the inlet end of the direct double-channel or the cross double-channel.

[0030] Advantages of the present utility model:

[0031] The above-mentioned consumable switching device includes at least two sets of consumable channels with movable positions. One set of consumable channels includes at least one double-channel unit. One set of consumable channels is connected to a driving structure, and the driving structure is used to drive one set of consumable channels to switch between a first position and a second position; the above-mentioned consumable switching device can realize the separate output of two consumables to the corresponding print heads of the 3D printer by switching the alignment state of the consumable switching device. According to the position of the consumable corresponding to the second consumable category information in the consumable input device and the current alignment state of the consumable switching device and the consumable input device, the alignment state of the consumable switching device is switched, so that multiple consumables can be separately input into the two print heads of the 3D printer through the consumable switching device. Compared with a single print head connected to a set of consumable input devices, the present utility model enables a set of consumable input devices to supply consumables to two print heads at the same time, without using two sets of consumable input devices, improving the utilization rate of consumables and devices; other features and advantages of the present utility model will be described in the subsequent specification, and, in part, will be obvious from the specification, or will be understood by implementing the present utility model. Description of the drawings

[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present application. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings.

[0033] It should be noted that although the steps in the flowchart diagrams (if any) involved in each embodiment are drawn in sequence according to the indication of the arrows, unless there is a clear description in this article, the execution of these steps has no strict order limit, and these steps can be executed in other orders. Moreover, at least a part of the steps in the flowchart diagrams involved in each embodiment may include multiple steps or multiple stages. These steps or stages are not necessarily executed at the same time, but can be executed at different times. The execution order of these steps or stages is not necessarily sequential, but can be executed alternately or alternately with at least a part of other steps or steps or stages in other steps.

[0034] Figure 1 It is a flowchart diagram of a method for an embodiment of the present application;

[0035] Figure 2 This is a schematic structural diagram of a printing device based on dual print head switching according to an embodiment of the present application;

[0036] Figure 3 This is a schematic structural diagram of an electronic device according to an embodiment of the present application;

[0037] Figure 4 This is a schematic structural diagram of a consumable switching system according to an embodiment of the present application;

[0038] Figure 5 This is another schematic structural diagram of a consumable switching system according to an embodiment of the present application;

[0039] Figure 6 This is another schematic structural diagram of a consumable switching system according to an embodiment of the present application;

[0040] Figure 7 This is a schematic side structural diagram of a consumable switching system according to an embodiment of the present application;

[0041] Figure 8 This is a schematic structural diagram of a group of consumable channels of a consumable switching system according to an embodiment of the present application;

[0042] Figure 9 This is a schematic diagram of consumable switching of a method according to an embodiment of the present application;

[0043] Figure 10 This is another schematic diagram of consumable switching of a method according to an embodiment of the present application;

[0044] Figure 11 This is another schematic diagram of consumable switching of a method according to an embodiment of the present application;

[0045] Figure 12 This is a schematic structural diagram of a consumable switching device with a mixed dual channel according to an embodiment of the present application;

[0046] Figure 13 This is a schematic cross-sectional structural diagram of a consumable switching device with a mixed dual channel according to an embodiment of the present application;

[0047] Figure 14 This is another schematic diagram of consumable switching of a method according to an embodiment of the present application;

[0048] Figure 15 This is another schematic diagram of consumable switching of a method according to an embodiment of the present application;

[0049] Figure 16 This is another schematic diagram of consumable switching of a method according to an embodiment of the present application;

[0050] Figure 17 This is another schematic diagram of consumable switching of a method according to an embodiment of the present application;

[0051] Figure 18Another schematic diagram of consumable switching for the method of the embodiment of the present application;

[0052] Figure 19 Another schematic diagram of consumable switching for the method of the embodiment of the present application;

[0053] Figure 20 Another schematic diagram of consumable switching for the method of the embodiment of the present application;

[0054] Figure 21 Another schematic diagram of consumable switching for the method of the embodiment of the present application.

[0055] Reference numerals:

[0056] 1, direct through dual channel; 2, cross dual channel; 4, first export channel; 5, second export channel; 6, drive structure; 10, consumable switching device; 20, consumable export structure; 30, consumable input device; 100, a group of consumable channels. Detailed implementation manners

[0057] The following further describes the present utility model in detail with reference to the drawings. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0058] It should be noted that the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second" may explicitly or implicitly include at least one of such features. In the description of the present utility model, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. The following describes some embodiments of the present application in detail with reference to the drawings. Without conflict, the following embodiments and the features in the embodiments may be combined with each other.

[0059] In the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", "fixation", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or communicable with each other; it may be directly connected, or indirectly connected through an intermediate medium, and may be the internal communication of two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0060] In the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may be that the first feature is directly above or obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely indicates that the horizontal height of the first feature is less than that of the second feature.

[0061] In the above description, the description referring to terms such as "an embodiment", "some embodiments", "an example", "a specific example", or "some examples", etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0062] For the convenience of understanding the embodiments of the present utility model, the printing method in the related art will be described first. In order to improve the printing efficiency, existing 3D printers usually use two or more print heads for printing. When two or more print heads are adopted, a set of input devices for a variety of color consumables need to be provided for each print head to realize the switching of the consumable colors of each print head. Therefore, a large number of complex devices are required for supporting printing, making the 3D printer large in volume and complex in structure, and the utilization rate of the color input device is low, thus affecting the utilization rate of the consumables and the device.

[0063] In view of the above technical problems, the inventor proposed the following technical concept: by switching the alignment state between the consumable switching device and the consumable input device, two consumables are respectively output to the corresponding print heads of the 3D printer, thereby providing a method for enabling a variety of consumables to be respectively input into the two print heads of the 3D printer through the consumable switching device, and improving the utilization rate of the consumables and the device.

[0064] The method of the present application will be further described in detail below.

[0065] Please refer to Figure 1 , Embodiment 1 of the present application provides a specific embodiment of a 3D printing consumable switching method, which is applied to a consumable switching device. The consumable switching device receives the consumables transmitted by the consumable input device.

[0066] Step 10, obtain printing information, where the printing information at least includes printing consumable category information.

[0067] In the field of 3D printing, a 3D printer prints according to the information of a printing model, and this information may include information such as the structure, color, and consumable material of the model; among them, in this application, the printing consumable category information includes information related to consumable attributes such as consumable color information, consumable material information, and consumable production information. The 3D printer can select corresponding consumables for printing according to the printing consumable category information of these colors or materials.

[0068] Step 20, in response to the printing consumable category information changing from the first consumable category information to the second consumable category information, according to the position of the second consumable corresponding to the second consumable category information in the consumable input device and the current alignment state between the consumable switching device and the consumable input device, switch the consumable switching device to the second alignment state with the consumable input device. The second alignment state is used to conduct the consumable corresponding to the second consumable category information in the consumable input device to the 3D printer.

[0069] The alignment state is that the consumable switching device outputs at least two consumables to the 3D printer simultaneously.

[0070] It should be noted that the alignment state includes the current alignment state and the second alignment state. It can be understood that the alignment state is that the consumable switching device receives the consumables transmitted by the consumable input device and conducts the received consumables to the 3D printer.

[0071] Among them, when the printing consumable category information changes from the first consumable category information to the second consumable category information, specifically, it can be that the printing consumable switches from the consumable corresponding to the first consumable category information to the consumable corresponding to the second consumable category information, that is, the 3D printer needs to switch from the current printing consumable to the next printing consumable.

[0072] According to the position of the consumable corresponding to the second consumable category information in the consumable input device and the current alignment state between the consumable switching device and the consumable input device, switching the consumable switching device to the second alignment state with the consumable input device can be understood as that one of the two consumables existing in the consumable switching device needs to be switched to another consumable and output to the corresponding position of the 3D printer, and it needs to be switched according to the current alignment state between the consumable switching device and the consumable input device, so that the two consumables can be correctly output to the corresponding positions of the 3D printer respectively.

[0073] In practical applications, for example, when a 3D printer outputs two consumables simultaneously, the 3D printer has two print heads or spraying structures that respectively receive these two consumables, and each consumable enters one of the print heads for preparation or printing.

[0074] It should be noted that the consumable input device may refer to a device that provides printing consumables to the consumable switching device, and the consumables in the consumable input device may be consumables input into the consumable input device by a device with feeding power, such as a feeding box; the consumables may be powered by a feeding box, etc. so that the consumables can be input into the consumable switching device through the consumable input device, and the consumable input device only provides the function of introducing the consumables into the consumable switching device, and the consumables may also be powered by the consumable input device so that the consumables can be input into the consumable switching device through the consumable input device; in short, the function realized by the consumable input device is to provide printing consumables to the consumable switching device.

[0075] The embodiment of the present application realizes outputting the two consumables currently being printed and to be printed respectively to the corresponding print heads of the 3D printer by switching the alignment state of the consumable switching device, thereby realizing that a variety of consumables can be respectively input to the two print heads of the 3D printer through the consumable switching device. Only a set of consumables of different colors and a consumable switching device are required. The consumable switching device can enable this set of consumables of different colors to be transported to the corresponding print heads of the 3D printer, thereby improving the utilization rate of the consumables and the device.

[0076] Based on the above example descriptions, some specific possible implementation examples will be provided below. In actual applications, the implementation contents between these examples can be combined or implemented separately as needed according to the corresponding functional principles and application logic, which can be determined by the actual scenario.

[0077] In an optional manner in an embodiment of the present utility model, the second alignment state is the same as the current alignment state, and switching the consumable switching device to the second alignment state with the consumable input device includes:

[0078] Controlling the position of the consumable switching device to remain in place so that the alignment state of the consumable switching device and the consumable input device is the current alignment state;

[0079] If the second alignment state is different from the current alignment state, switching the consumable switching device to the second alignment state with the consumable input device includes:

[0080] The consumable switching device is controlled to move so that the alignment state of the consumable switching device and the consumable input device is a second alignment state.

[0081] It should be noted that according to the position of the second consumable corresponding to the second consumable category information in the consumable input device and the current alignment state of the consumable switching device and the consumable input device, the second alignment state of the consumable switching device can be the same as the current alignment state. For example, when the printing consumable category information changes from the first consumable category information to the second consumable category information, the two consumables p1 and p2 in the current alignment state are switched to the two consumables p2 and p3 in the second alignment state. At this time, the alignment state of guiding the consumables p2 and p3 to the 3D printer is the same as the alignment state of guiding the consumables p1 and p2 to the 3D printer, that is, the second alignment state of the consumable switching device can be the same as the current alignment state; at this time, the second alignment state is the current alignment state. When the second alignment state of the consumable switching device is different from the current alignment state, the consumable switching device is controlled to move for state switching so that the alignment state of the consumable switching device and the consumable input device is the second alignment state.

[0082] In an optional manner in the embodiment of the present invention, the consumable switching device includes at least two sets of consumable channels with movable positions, and the second alignment state is different from the current alignment state;

[0083] Controlling the consumable switching device to act so that the alignment state of the consumable switching device and the consumable input device is the second alignment state includes moving the position of at least one set of consumable channels among at least two sets of consumable channels with movable positions so that the input channel corresponding to the second consumable category information in the consumable input device is aligned with the position of the consumable channel corresponding to the second consumable category information among at least two sets of consumable channels with movable positions.

[0084] In practical applications, the consumable switching device can move the position of the set of consumable channels where the second consumable channel corresponding to the second consumable category information is located. For example, move a set of consumable channels corresponding to the second consumable category information so that it moves from the first position to the second position or from the second position to the first position, so as to align the consumable channel corresponding to the second consumable category information in the consumable input device with the position of the consumable channel corresponding to the second consumable category information among at least two sets of consumable channels with movable positions; thereby guiding the consumable corresponding to the second consumable category information in the consumable input device into the corresponding consumable channel in the consumable switching device, and exporting the consumable to the corresponding position of the 3D printer through the consumable switching device.

[0085] In an optional manner in the embodiment of the present invention, the consumable switching device includes at least two sets of consumable channels with movable positions, the position of a set of consumable channels includes a first position and a second position, and the alignment state includes at most two sets of consumable channels located at the second position;

[0086] Controlling the position of the consumable switching device to remain in place so that the alignment state of the consumable switching device and the consumable input device is the current alignment state includes:

[0087] Control the consumable channels corresponding to the second consumable category information at a group of movable positions to stay at the first position or the second position;

[0088] Exemplarily, when the printing consumable category information changes from the first consumable category information to the second consumable category information, the two consumables p1 and p2 in the current alignment state are switched to the two consumables p2 and p3 in the second alignment state. At this time, the alignment state of guiding the consumables p2 and p3 to the 3D printer is the same as that of guiding the consumables p1 and p2 to the 3D printer. Control the position of the consumable switching device to remain in place, that is, if the consumable channels corresponding to the second consumable category information are at the first position in the current alignment state, they remain at the first position, and if the consumable channels corresponding to the second consumable category information are at the second position in the current alignment state, they remain at the second position;

[0089] Control the consumable switching device to act so that the alignment state of the consumable switching device and the consumable input device is the second alignment state, including:

[0090] Control the consumable channels corresponding to the second consumable category information at a group of movable positions to switch from the first position to the second position, or from the second position to the first position;

[0091] Exemplarily, when the printing consumable category information changes from the first consumable category information to the second consumable category information, the two consumables p1 and p2 in the current alignment state are switched to the two consumables p2 and p3 in the second alignment state. At this time, the alignment state of guiding the consumables p2 and p3 to the 3D printer is different from that of guiding the consumables p1 and p2 to the 3D printer. Control the consumable switching device to act so that the consumable channels corresponding to the second consumable category information move positions, that is, if the consumable channels corresponding to the second consumable category information are at the first position in the current alignment state, they are switched to the second position, and if the consumable channels corresponding to the second consumable category information are at the second position in the current alignment state, they are switched to the first position.

[0092] It should be noted that the first position and the second position here are not particularly limited and can be two positions when a group of consumable channels move linearly;

[0093] For example, a group of consumable channels includes vertically arranged side-by-side straight-through dual channels and cross dual channels. The first position can be the position where the straight-through dual channels correspond to the consumable input device, and the second position is the position where the cross dual channels correspond to the consumable input device; or, the first position can be the position where the cross dual channels correspond to the consumable input device, and the second position is the position where the straight-through dual channels correspond to the consumable input device.

[0094] In an alternative embodiment of the present utility model, the consumable switching device includes at least two groups of consumable channels with movable positions. The positions of one group of consumable channels include a first position and a second position. The current alignment state includes at most two groups of consumable channels located at the second position, and the current alignment state includes an A position state, a B position state, and a C position state; when at least two groups of consumable channels are both located at the first position, it is the A position state, for example, at least two groups of consumable channels with movable positions are both in the initial state; when one of the at least two groups of consumable channels with movable positions is located at the second position, it is the B position state, for example, one of the at least two groups of consumable channels with movable positions is switched from the first position to the second position, and the remaining other groups of consumable channels remain at the first position; when two of the at least two groups of consumable channels with movable positions are located at the second position, it is the C position state, for example, two of the at least two groups of consumable channels with movable positions are switched from the first position to the second position, and the remaining other groups of consumable channels remain at the first position.

[0095] In an alternative embodiment of the present utility model, the consumable input device includes at least two groups of input channels arranged side by side in the horizontal direction. One group of input channels includes two input channels arranged side by side in the vertical direction; the first consumable corresponding to the first consumable category information is located in the consumable channel of this group at the second position;

[0096] When the current alignment state is the A position state,

[0097] According to the position of the second consumable corresponding to the second consumable category information in the consumable input device, and the current alignment state between the consumable switching device and the consumable input device, switch the consumable switching device to the second alignment state with the consumable input device, specifically including;

[0098] When the positions of the first consumable corresponding to the first consumable category information and the second consumable corresponding to the second consumable category information are both in the upper input channel of the consumable input device, or both in the lower input channel of the consumable input device, control one group of consumable channels with movable positions corresponding to the second consumable category information to be switched from the first position to the second position;

[0099] Exemplarily, it should be noted that, as shown in the appendix Figure 9 The consumable corresponding to the first consumable category information is consumable B, the consumable corresponding to the second consumable category information is consumable C, and consumable A is the other one of the two consumables in the current alignment state, that is, it is switched from the original two consumables, consumable A and consumable B, to consumable B and consumable C;

[0100] When the position of the first consumable corresponding to the first consumable category information and the position of the second consumable corresponding to the second consumable category information are respectively in the upper input channel and the lower input channel of the consumable input device, then maintain the A position state as the second alignment state;

[0101] It should be noted by way of example that, as shown in the appendix Figure 14 shown, the consumable corresponding to the first consumable category information is Consumable B, the consumable corresponding to the second consumable category information is Consumable C, and Consumable A is the other one of the two consumables in the current alignment state, that is, the two consumables, Consumable A and Consumable B, are switched to Consumable B and Consumable C.

[0102] It should be noted that "the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are respectively located in the upper channel and the lower channel of the consumable input device", that is

[0103] "The first consumable position corresponding to the first consumable category information is located in one of the upper channel and the lower channel of the consumable input device, and the second consumable position corresponding to the second consumable category information is located in the other one of the upper channel and the lower channel of the consumable input device";

[0104] It should also be noted that when the consumable in a group of consumable channels at the second position is drawn out so that there is no consumable in this group of consumable channels, this group of consumable channels is switched from the second position to the first position, that is, when there is no consumable in a group of consumable channels at the second position, this group of consumable channels is automatically switched from the second position to the first position. For example, the initial position of this group of consumable channels is the first position. When it is switched to the second position, consumables are introduced. When the consumable exits this group of consumable channels at the second position, this group of consumable channels is switched from the second position to the first position. If there is a consumable in a group of consumable channels at the second position, this group of consumable channels may not need to be switched from the second position to the first position.

[0105] In an alternative embodiment of the present utility model, the consumable input device includes at least two groups of input channels arranged side by side in the horizontal direction, and one group of input channels includes two input channels arranged side by side in the vertical direction; when the current alignment state is the B position state,

[0106] According to the position of the second consumable corresponding to the second consumable category information in the consumable input device and the current alignment state of the consumable switching device and the consumable input device, the consumable switching device is switched to the second alignment state with the consumable input device, specifically including;

[0107] When the first consumable position corresponding to the first consumable category information is in this group of consumable channels located at the second position, if the second consumable position corresponding to the second consumable category information is in this group of consumable channels located at the second position, the group of movable position consumable channels corresponding to the second consumable category information remains unchanged;

[0108] It should be noted that if the first consumable corresponding to the first consumable category information and the second consumable corresponding to the second consumable category information are both in the same group of consumable channels, the state of position B is maintained as the second alignment state;

[0109] Exemplarily, it should be noted that as shown in the Figure 15 accompanying figure, the consumable corresponding to the first consumable category information is consumable E, the consumable corresponding to the second consumable category information is consumable F, and consumable D is the other one of the two consumables in the current alignment state, that is, the original two consumables, consumable D and consumable E, are switched to consumable E and consumable F;

[0110] Exemplarily, it should be noted that as shown in the Figure 10 accompanying figure,

[0111] When the position of the first consumable corresponding to the first consumable category information is in the group of consumable channels located at the second position, if the position of the second consumable corresponding to the second consumable category information is in one of the groups of consumable channels located at the first position, and the position of the first consumable corresponding to the first consumable category information and the position of the second consumable corresponding to the second consumable category information are both in the upper input channel or the lower input channel of the consumable input device, the group of consumable channels with movable positions corresponding to the second consumable category information remains unchanged;

[0112] Exemplarily, it should be noted that as shown in the Figure 16 accompanying figure, the consumable corresponding to the first consumable category information is consumable E, the consumable corresponding to the second consumable category information is consumable F, and consumable D is the other one of the two consumables in the current alignment state, that is, the original two consumables, consumable D and consumable E, are switched to consumable E and consumable F; when the position of the first consumable corresponding to the first consumable category information is in the group of consumable channels located at the second position, if the position of the second consumable corresponding to the second consumable category information is in one of the groups of consumable channels located at the first position, and the position of the first consumable corresponding to the first consumable category information and the position of the second consumable corresponding to the second consumable category information are respectively in the upper input channel and the lower input channel of the consumable input device, the group of consumable channels with movable positions corresponding to the second consumable category information is switched from the first position to the second position;

[0113] It should be noted that "the position of the first consumable corresponding to the first consumable category information and the position of the second consumable corresponding to the second consumable category information are respectively in the upper channel and the lower channel of the consumable input device" means

[0114] "the position of the first consumable corresponding to the first consumable category information is in one of the upper channel and the lower channel of the consumable input device, and the position of the second consumable corresponding to the second consumable category information is in the other one of the upper channel and the lower channel of the consumable input device";

[0115] Exemplarily, it should be noted that as shown in the appendix Figure 10 As shown, the consumable corresponding to the first consumable category information is consumable E, the consumable corresponding to the second consumable category information is consumable F, and consumable D is the other one of the two consumables in the current alignment state, that is, the original two consumables, consumable D and consumable E, are switched to consumable E and consumable F;

[0116] When the first consumable position corresponding to the first consumable category information is in one of the consumable channels located at the first position, if the second consumable position corresponding to the second consumable category information is in one of the consumable channels located at the first position, and the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are both in the upper input channel or the lower input channel of the consumable input device, control the consumable channel with a set of movable positions corresponding to the second consumable category information to switch from the first position to the second position;

[0117] Exemplarily, it should be noted that as shown in the appendix Figure 17 As shown, the consumable corresponding to the first consumable category information is consumable E, the consumable corresponding to the second consumable category information is consumable F, and consumable D is the other one of the two consumables in the current alignment state, that is, the original two consumables, consumable D and consumable E, are switched to consumable E and consumable F;

[0118] When the first consumable position corresponding to the first consumable category information is in one of the consumable channels located at the first position, if the second consumable position corresponding to the second consumable category information is in one of the consumable channels located at the first position, and the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are respectively in the upper input channel and the lower input channel of the consumable input device, control the consumable channel with a set of movable positions corresponding to the second consumable category information to remain at the first position,

[0119] It should be noted that "the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are respectively in the upper channel and the lower channel of the consumable input device" means

[0120] "The first consumable position corresponding to the first consumable category information is in one of the upper channel and the lower channel of the consumable input device, and the second consumable position corresponding to the second consumable category information is in the other one of the upper channel and the lower channel of the consumable input device";

[0121] Exemplarily, it should be noted that as shown in the appendix Figure 18As shown, the consumable corresponding to the first consumable category information is Consumable E, and the consumable corresponding to the second consumable category information is Consumable F. Consumable D is the other one of the two consumables in the current alignment state, that is, the original two consumables, Consumable D and Consumable E, are switched to Consumable E and Consumable F.

[0122] It should be noted that when the consumable in a set of consumable channels at the second position is drawn out, this set of consumable channels is switched from the second position to the first position. That is, when there is no consumable in a set of consumable channels at the second position, this set of consumable channels is automatically switched from the second position to the first position. For example, the initial position of this set of consumable channels is the first position. When it is switched to the second position, a consumable is introduced. When the consumable exits this set of consumable channels at the second position, this set of consumable channels is switched from the second position to the first position.

[0123] In an alternative manner in the embodiment of the present utility model, when the current alignment state is the C position state, the consumable input device includes at least two sets of input channels arranged side by side in the horizontal direction. One set of input channels includes two input channels arranged side by side in the vertical direction; the first consumable corresponding to the first consumable category information is in this set of consumable channels located at the second position.

[0124] According to the position of the second consumable corresponding to the second consumable category information in the consumable input device and the current alignment state of the consumable switching device and the consumable input device, the consumable switching device is switched to the second alignment state with the consumable input device, specifically including;

[0125] If the position of the second consumable corresponding to the second consumable category information is in this set of consumable channels located at the second position, and the positions of the first consumable corresponding to the first consumable category information and the second consumable corresponding to the second consumable category information are respectively in the upper input channel and the lower input channel of the consumable input device, a set of movable-position consumable channels corresponding to the second consumable category information remains at the second position;

[0126] Exemplarily, it should be noted that as shown in the appendix Figure 19 As shown, the consumable corresponding to the first consumable category information is Consumable H, and the consumable corresponding to the second consumable category information is Consumable I. Consumable G is the other one of the two consumables in the current alignment state, that is, the original two consumables, Consumable G and Consumable H, are switched to Consumable H and Consumable I;

[0127] If the position of the second consumable corresponding to the second consumable category information is in this set of consumable channels located at the second position, and the positions of the first consumable corresponding to the first consumable category information and the second consumable corresponding to the second consumable category information are both in the upper input channel of the consumable input device or both in the lower input channel of the consumable input device, a set of movable-position consumable channels corresponding to the second consumable category information is switched from the second position to the first position;

[0128] Exemplarily, it should be noted that, as shown in the appendix Figure 20 As shown, the consumable corresponding to the first consumable category information is consumable H, the consumable corresponding to the second consumable category information is consumable I, and consumable G is the other one of the two consumables in the current alignment state, that is, the original two consumables, consumable G and consumable H, are switched to consumable H and consumable I;

[0129] If the second consumable position corresponding to the second consumable category information is in one of the groups of consumable channels located at the first position, and the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are respectively in the upper input channel and the lower input channel of the consumable input device, a group of movable-position consumable channels corresponding to the second consumable category information is switched from the first position to the second position;

[0130] It should be noted that "and the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are respectively in the upper channel and the lower channel of the consumable input device" means

[0131] "The first consumable position corresponding to the first consumable category information is in one of the upper channel and the lower channel of the consumable input device, and the second consumable position corresponding to the second consumable category information is in the other one of the upper channel and the lower channel of the consumable input device";

[0132] Exemplarily, it should be noted that, as shown in the appendix Figure 11 As shown, the consumable corresponding to the first consumable category information is consumable H, the consumable corresponding to the second consumable category information is consumable I, and consumable G is the other one of the two consumables in the current alignment state, that is, the original two consumables, consumable G and consumable H, are switched to consumable H and consumable I;

[0133] If the second consumable position corresponding to the second consumable category information is in one of the groups of consumable channels located at the first position, and the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are both in the upper input channel of the consumable input device or both in the lower input channel of the consumable input device, a group of movable-position consumable channels corresponding to the second consumable category information remains at the first position;

[0134] Exemplarily, it should be noted that, as shown in the appendix Figure 21 As shown, the consumable corresponding to the first consumable category information is consumable H, the consumable corresponding to the second consumable category information is consumable I, and consumable G is the other one of the two consumables in the current alignment state, that is, the original two consumables, consumable G and consumable H, are switched to consumable H and consumable I.

[0135] It should be noted that when the consumables in a group of consumable channels located at the second position are drawn out, this group of consumable channels is switched from the second position to the first position, that is, when there are no consumables in a group of consumable channels in the second position, this group of consumable channels is automatically switched from the second position to the first position. For example, the initial position of this group of consumable channels is the first position. When it is switched to the second position, consumables are introduced. When the consumables exit this group of consumable channels in the second position, this group of consumable channels is switched from the second position to the first position.

[0136] In an alternative embodiment of the present invention, when all groups of consumable channels are in the first position, the consumable switching device is in an initial state.

[0137] In practical applications, in the initial state, all the consumable channels of the consumable input device are aligned with some of the consumable channels in the consumable switching device, and the consumables in the consumable channels of the consumable input device can be introduced into the consumable channels of the consumable switching device; through the classification switching of the above three states A, B, and C, the high-efficiency switching coverage of all states of multiple colors during the printing process is realized, thereby improving the printing efficiency.

[0138] In an alternative embodiment of the present invention, the consumable input device includes at least two groups of input channels corresponding to at least two groups of consumable channels with movable positions, and one group of input channels includes at least one straight channel.

[0139] In practical applications, one group of input channels is correspondingly arranged with one group of consumable channels.

[0140] In an alternative embodiment of the present invention, one group of consumable channels with movable positions includes at least one double-channel unit, and the double-channel unit includes two consumable channels, and the consumable channels can import and export printing consumables; for example, the double-channel unit includes a straight channel and a reversing channel, and the imported consumables can be exported to the corresponding print head of the 3D printer.

[0141] In an alternative embodiment of the present invention, the consumable input device includes at least two groups of input channels arranged side by side in the horizontal direction, and one group of input channels includes two straight channels arranged side by side in the vertical direction; at least two groups of consumable channels with movable positions are arranged side by side in the horizontal direction, and one group of consumable channels with movable positions includes at least one straight-through double channel and one cross double channel arranged side by side in the vertical direction. By correspondingly arranging one group of consumable channels with movable positions and the input channels, the consumables in the input channels can be guided to the corresponding print head of the 3D printer through at least two groups of consumable channels with movable positions;

[0142] In the initial state, at least two groups of input channels are correspondingly arranged with the straight-through double channels, or at least two groups of input channels are correspondingly arranged with the cross double channels.

[0143] In an alternative embodiment of the present utility model, the printing consumable category information at least includes consumable color information and / or consumable material information.

[0144] In practical applications, when the printing consumable category information includes consumable color information, consumables of different colors can be imported into the corresponding position or the corresponding print head of the 3D printer; when the printing consumable category information includes consumable material information, consumables of different materials can be imported into the corresponding position or the corresponding print head of the 3D printer.

[0145] In an alternative embodiment of the present utility model, a specific embodiment of a 3D printing consumable switching method is provided, which is applied to a consumable switching device. The consumable switching device receives the consumables transmitted by a consumable input device.

[0146] Obtain printing information, where the printing information at least includes printing consumable category information.

[0147] In response to the printing consumable category information changing from the first consumable category information to the second consumable category information, according to the position of the second consumable corresponding to the second consumable category information in the consumable input device and the current alignment state between the consumable switching device and the consumable input device, switch the consumable switching device to the second alignment state with the consumable input device. The second alignment state is used to conduct the consumable corresponding to the second consumable category information in the consumable input device to the 3D printer.

[0148] The alignment state is that the consumable switching device outputs at least two types of consumables to the 3D printer simultaneously.

[0149] It should be noted that in the field of 3D printing, a 3D printer prints according to the information of a printing model, and this information may include information such as the structure, color, and consumable material of the model; among them, the printing consumable category information in this application includes information related to consumable attributes such as consumable color information, consumable material information, and consumable production information. The 3D printer can select corresponding consumables for printing according to the printing consumable category information of these colors or materials.

[0150] The alignment state includes the current alignment state and the second alignment state. It can be understood that the alignment state is that the consumable switching device receives the consumables transmitted by the consumable input device and conducts the received consumables to the 3D printer; among them, the printing consumable category information changes from the first consumable category information to the second consumable category information. Specifically, it can be that the printing consumable switches from the consumable corresponding to the first consumable category information to the consumable corresponding to the second consumable category information, that is, the 3D printer needs to switch from the current printing consumable to the next printing consumable.

[0151] According to the position of the consumable corresponding to the second consumable category information in the consumable input device and the current alignment state between the consumable switching device and the consumable input device, switch the consumable switching device to the second alignment state with the consumable input device. It can be understood that for the two consumables existing in the consumable switching device, one of the consumables needs to be switched to another consumable and output to the corresponding position of the 3D printer. The switching needs to be performed according to the current alignment state between the consumable switching device and the consumable input device, so that the two consumables can be correctly output to the corresponding positions of the 3D printer respectively.

[0152] In practical applications, for example, when a 3D printer outputs two consumables simultaneously, the 3D printer has two print heads or spraying structures that respectively receive these two consumables, and each consumable enters one of the print heads to prepare for or perform printing.

[0153] It should be noted that the consumable input device can refer to a device that provides printing consumables to the consumable switching device. The consumables in the consumable input device can be the consumables input into the consumable input device by a device with a feeding power such as a feeding box; the consumables can be powered by a feeding box or the like to enable the consumables to be input into the consumable switching device through the consumable input device. The consumable input device only provides the function of guiding the consumables into the consumable switching device, or the consumables can also be powered by the consumable input device to enable the consumables to be input into the consumable switching device through the consumable input device. In short, the function realized by the consumable input device is to provide printing consumables to the consumable switching device.

[0154] Optionally, the consumable switching device includes at least two sets of consumable channels with movable positions. The positions of one set of consumable channels include a first position and a second position, and the alignment state includes at most two sets of consumable channels located at the second position;

[0155] One set of consumable channels includes at least one double-channel unit. One set of consumable channels 100 is connected to a driving structure 6, and the driving structure 6 is used to drive one set of consumable channels 100 to switch between the first position and the second position;

[0156] By driving the corresponding one set of consumable channels 100 to switch between the first position and the second position through the driving structure 6, different consumables are guided into different 3D print heads through the consumable switching device. Here, the first position and the second position are not particularly limited and can be two positions when one set of consumable channels moves linearly;

[0157] For example, a set of consumable channels 100 includes vertically arranged parallel straight channels and a diversion channel. The first position can be the position where the straight channel corresponds to the consumable input device 30, and the second position is the position where the diversion channel corresponds to the consumable input device 30; or, the first position can be the position where the diversion channel corresponds to the consumable input device 30, and the second position is the position where the straight channel corresponds to the consumable input device 30.

[0158] In an alternative embodiment of the present invention, at least two sets of consumable channels with movable positions are arranged side by side on the same straight line. In practical applications, at least two sets of consumable channels with movable positions can be arranged side by side in the horizontal direction, or at least two sets of consumable channels with movable positions can be arranged side by side in the vertical direction.

[0159] In an alternative embodiment of the present invention, the dual-channel unit includes two channels arranged side by side on the same straight line. In practical applications, the dual-channel unit can be two channels arranged side by side in the horizontal direction or two channels arranged side by side in the vertical direction.

[0160] In an alternative embodiment of the present invention, the dual-channel unit is one of a direct-through dual-channel 1, a cross dual-channel 2, or a hybrid dual-channel.

[0161] The direct-through dual-channel 1 includes two straight channels arranged side by side on the same straight line. The cross dual-channel 2 includes two diversion channels arranged side by side on the same straight line. The hybrid dual-channel includes a straight channel and a diversion channel arranged side by side on the same straight line.

[0162] It should be noted by way of example that, as Figure 12 and 13 shown, a set of consumable channels 100 includes a dual-channel unit, and a set of input channels includes a straight channel. The dual-channel unit is a hybrid dual-channel, which includes a straight channel and a diversion channel arranged side by side on the same straight line, and different outlet channels or print heads are guided through the straight channel and the diversion channel.

[0163] It should be noted that a straight channel means that the consumable can pass through the straight channel in the same direction, that is, the input direction and the output direction of the consumable in the straight channel are the same.

[0164] Optionally, the inlet end and the outlet end of the diversion channel are located on different sides. For example, referring to Figure 7 , the diversion channel is a horizontally placed channel, its inlet end is located on the upper side of one end of the diversion channel, and its outlet end is located on the lower side of the other end of the diversion channel; that is, different sides mean that one of the inlet end and the outlet end is located on the upper side and the other is located on the lower side.

[0165] Optionally, a set of consumable channels 100 includes two dual-channel units; the dual-channel unit can be one of a direct-through dual-channel 1, a cross dual-channel 2, or a hybrid dual-channel. When a set of consumable channels 100 includes a direct-through dual-channel 1 and a cross dual-channel 2, by adjusting the position of the set of consumable channels 100, the two consumables entering the set of consumable channels 100 can be directly guided to two print heads through the direct-through dual-channel 1, or the two consumables entering the set of consumable channels can be guided to two print heads through the cross dual-channel after consumable commutation; thereby realizing the switching of consumable guiding by adjusting the position of the set of consumable channels.

[0166] Optionally, the consumable switching device 10 receives the consumables transmitted by the consumable input device 30 and conducts the consumables to the corresponding print heads through the consumable export structure 20. The consumable export structure 20 includes a first export channel 4 and a second export channel 5 respectively connected to the output end of the consumable switching device 10. The first export channel 4 is used to conduct the consumables output by the consumable switching device 10 to the first print head, and the second export channel 5 is used to conduct the consumables output by the consumable switching device 10 to the second print head.

[0167] The consumable input device 30 includes at least two groups of input channels corresponding to at least two groups of consumable channels with movable positions. One group of input channels includes at least one straight channel.

[0168] In practical applications, one group of input channels is correspondingly arranged with one group of consumable channels. One group of consumable channels includes two dual-channel units, and one group of input channels includes two straight channels and two commutation channels; or,

[0169] One group of consumable channels includes one dual-channel unit, and one group of input channels includes one straight channel and one commutation channel. In practical applications, one channel of the consumable input device corresponds to two channels of the consumable switching device.

[0170] Optionally, a set of consumable channels 100 includes a direct-through dual-channel 1 and a cross dual-channel 2 arranged side by side on the same straight line. In practical applications, the direct-through dual-channel 1 and the cross dual-channel 2 can be arranged side by side in the horizontal direction, or the direct-through dual-channel 1 and the cross dual-channel 2 are arranged side by side in the vertical direction, or the direct-through dual-channel 1 and the cross dual-channel 2 are arranged side by side in other forms on the same straight line. In an optional manner in the embodiment of the present invention, the consumable switching device 10 includes at least two groups of consumable channels with movable positions arranged side by side in the horizontal direction. One group of consumable channels 100 includes a direct-through dual-channel 1 and a cross dual-channel 2 arranged side by side in the vertical direction. One group of consumable channels 100 is connected to the driving structure 6, and the driving structure 6 is used to drive one group of consumable channels 100 to switch between a first position and a second position;

[0171] The consumable export structure 20 includes two first export channels 4 and second export channels 5 arranged side by side in the vertical direction, and the consumable export structure 20 is correspondingly arranged with the direct-through double channels 1 or cross double channels 2 of at least two groups of consumable channels.

[0172] In practical applications, as shown in the appendix Figure 4 , the consumable export structure 20 is correspondingly arranged with the direct-through double channels 1 of at least two groups of consumable channels, or the consumable export structure 20 is correspondingly arranged with the cross double channels 2 of at least two groups of consumable channels, so that the consumables in the direct-through double channels 1 or cross double channels 2 of at least two groups of consumable channels can enter the consumable export structure 20, and the consumables are correspondingly transported to the corresponding positions or corresponding print heads of the 3D printer through the consumable export structure 20.

[0173] Optionally, the direct-through double channel 1 includes two straight channels arranged side by side in the vertical direction, and the direct-through double channel 1 is used to guide the consumables to pass through the direct-through double channel 1 in the same direction. The cross double channel 2 includes two reversing channels arranged side by side in the vertical direction. The cross double channel 2 is used to guide the consumables to enter from the upper channel at the entrance end of the cross double channel 2 and output from the lower channel at the exit end of the cross double channel 2; the cross double channel 2 is used to guide the consumables to enter from the lower channel at the entrance end of the cross double channel 2 and output from the upper channel at the exit end of the cross double channel 2.

[0174] Optionally, the consumable export structure 20 is correspondingly arranged with the exit ends of the direct-through double channels 1 of at least two groups of consumable channels. The first export channel 4 is correspondingly arranged with the upper channel at the exit end of the direct-through double channel 1, and the second export channel 5 is correspondingly arranged with the lower channel at the exit end of the direct-through double channel 1. The first export channel 4 and the second export channel 5 are used to export the consumables in the consumable switching device 10 in different alignment states and transport them to the corresponding positions or corresponding print heads of the 3D printer; or,

[0175] The consumable export structure 20 is correspondingly arranged with the exit ends of the cross double channels 2 of at least two groups of consumable channels. The first export channel 4 is correspondingly arranged with the upper channel at the exit end of the cross double channel 2, and the second export channel 5 is correspondingly arranged with the lower channel at the exit end of the cross double channel 2; the first export channel 4 and the second export channel 5 are used to export the consumables in the consumable switching device 10 in different alignment states and transport them to the corresponding positions or corresponding print heads of the 3D printer.

[0176] Optionally, the consumable input device 30 includes at least two groups of consumable input channels arranged side by side on the same straight line. The consumable input device 30 is correspondingly arranged with the entrance ends of the direct-through double channels 1 or cross double channels 2. In practical applications, in the initial state, the consumable input device 30 is correspondingly arranged with the entrance end of the direct-through double channel 1, and the consumable input device 30 is correspondingly arranged with the entrance end of the cross double channel 2.

[0177] Optionally, the consumable switching device includes at least two sets of consumable channels with movable positions. The positions of one set of consumable channels include a first position and a second position. The current alignment state includes at most two sets of consumable channels located at the second position, and the current alignment state includes an A position state, a B position state, and a C position state; when at least two sets of consumable channels are both located at the first position, it is the A position state, for example, at least two sets of consumable channels with movable positions are both in the initial state; when one of the at least two sets of consumable channels with movable positions is located at the second position, it is the B position state, for example, one of the at least two sets of consumable channels with movable positions is switched from the first position to the second position, and the remaining other sets of consumable channels remain at the first position; when two of the at least two sets of consumable channels with movable positions are located at the second position, it is the C position state, for example, two of the at least two sets of consumable channels with movable positions are switched from the first position to the second position, and the remaining other sets of consumable channels remain at the first position.

[0178] Exemplarily, the consumable input device includes at least two sets of input channels arranged side by side in the horizontal direction, and one set of input channels includes two channels arranged side by side in the vertical direction; the first consumable corresponding to the first consumable category information is located in the set of consumable channels at the second position.

[0179] The consumable switching device 10 includes at least two sets of consumable channels with movable positions arranged side by side in the horizontal direction. One set of consumable channels 100 includes a straight-through double-channel 1 and a cross double-channel 2 arranged side by side in the vertical direction. One set of consumable channels 100 is connected to the driving structure 6, and the driving structure 6 is used to drive one set of consumable channels 100 to switch between the first position and the second position; the straight-through double-channel 1 includes two straight channels arranged side by side in the vertical direction, and the straight-through double-channel 1 is used to guide the consumable to pass through the straight-through double-channel 1 in the same direction. The cross double-channel 2 includes two reversing channels arranged side by side in the vertical direction. The cross double-channel 2 is used to guide the consumable to enter from the upper channel at the entrance end of the cross double-channel 2 and output from the lower channel at the exit end of the cross double-channel 2; the cross double-channel 2 is used to guide the consumable to enter from the lower channel at the entrance end of the cross double-channel 2 and output from the upper channel at the exit end of the cross double-channel 2.

[0180] The consumable export structure 20 includes a first export channel 4 and a second export channel 5 respectively connected to the output end of the consumable switching device 10. The first export channel 4 is used to conduct the consumable output by the consumable switching device 10 to the first print head, and the second export channel 5 is used to conduct the consumable output by the consumable switching device 10 to the second print head.

[0181] The consumable export structure 20 is correspondingly arranged with the straight-through dual-channel 1 outlet ends of at least two groups of consumable channels. The first export channel 4 is correspondingly arranged with the upper channel of the straight-through dual-channel 1 outlet end, and the second export channel 5 is correspondingly arranged with the lower channel of the straight-through dual-channel 1 outlet end;

[0182] The consumable input device 30 includes at least two groups of consumable input channels arranged side by side on the same straight line, and the consumable input device 30 is correspondingly arranged with the inlet end of the straight-through dual-channel 1.

[0183] The consumable input device includes at least two groups of input channels arranged side by side in the horizontal direction. One group of input channels includes two input channels arranged side by side in the vertical direction; the first consumable corresponding to the first consumable category information is in the consumable channel of this group located at the second position;

[0184] When the current alignment state is the A position state,

[0185] According to the position of the second consumable corresponding to the second consumable category information in the consumable input device and the current alignment state of the consumable switching device and the consumable input device, switch the consumable switching device to the second alignment state with the consumable input device, specifically including;

[0186] When the positions of the first consumable corresponding to the first consumable category information and the second consumable corresponding to the second consumable category information are both in the upper input channel of the consumable input device or both in the lower input channel of the consumable input device, control a group of movable-position consumable channels corresponding to the second consumable category information to switch from the first position to the second position;

[0187] It should be noted by way of example that as shown in the attached Figure 9 and the attached Figure 4 As shown, the consumables are guided from the consumable input device, the consumable switching device, and the consumable export structure to the print head corresponding to the 3D printer. The consumable switching device receives the consumables from the consumable input device. According to the position of the second consumable corresponding to the second consumable category information in the consumable input device and the current alignment state of the consumable switching device and the consumable input device, switch the consumable switching device to the second alignment state with the consumable input device. The second alignment state is used to conduct the consumables corresponding to the second consumable category information in the consumable input device into the consumable export structure and then convey them to the print head of the 3D printer. The consumable corresponding to the first consumable category information is Consumable B, the consumable corresponding to the second consumable category information is Consumable C, and Consumable A is the other one of the two consumables in the current alignment state, that is, switch from the original two consumables, Consumable A and Consumable B, to Consumable B and Consumable C;

[0188] When the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are respectively in the upper input channel and the lower input channel of the consumable input device, the state of position A is maintained as the second alignment state;

[0189] Exemplarily, it should be noted that, as shown in the attached Figure 14 and the attached Figure 4 As shown, the consumable is guided from the consumable input device, the consumable switching device, and the consumable export structure to the print head corresponding to the 3D printer. The consumable switching device receives the consumable from the consumable input device and switches the consumable switching device to the second alignment state with the consumable input device according to the position of the second consumable corresponding to the second consumable category information in the consumable input device and the current alignment state between the consumable switching device and the consumable input device. The second alignment state is used to conduct the consumable corresponding to the second consumable category information in the consumable input device into the consumable export structure and then convey it to the print head of the 3D printer. The consumable corresponding to the first consumable category information is consumable B, the consumable corresponding to the second consumable category information is consumable C, and consumable A is the other one of the two consumables in the current alignment state, that is, the original two consumables, consumable A and consumable B, are switched to consumable B and consumable C.

[0190] It should be noted that "the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are respectively in the upper channel and the lower channel of the consumable input device" means

[0191] "The first consumable position corresponding to the first consumable category information is located in one of the upper channel and the lower channel of the consumable input device, and the second consumable position corresponding to the second consumable category information is located in the other one of the upper channel and the lower channel of the consumable input device";

[0192] It should also be noted that when the consumable in a set of consumable channels at the second position is drawn out so that there is no consumable in this set of consumable channels, this set of consumable channels is switched from the second position to the first position, that is, when there is no consumable in a set of consumable channels at the second position, this set of consumable channels is automatically switched from the second position to the first position. For example, the initial position of this set of consumable channels is the first position. When it is switched to the second position, consumables are introduced. When the consumable exits this set of consumable channels at the second position, this set of consumable channels is switched from the second position to the first position.

[0193] In the embodiment of the present application, by switching the alignment state of the consumable switching device, the two consumables for current printing and pending printing are respectively output to the corresponding print heads of the 3D printer through the consumable export structure of the channel, so as to realize that multiple consumables can be respectively input into the two print heads of the 3D printer through the consumable switching device. Only one set of consumables of different colors and the consumable switching device are needed. The consumable switching device can convey this set of consumables of different colors to the corresponding print heads of the 3D printer, improving the utilization rate of consumables and devices.

[0194] As shown in the figure, Embodiment 3 of the present application provides a 3D printing consumable switching system, including a consumable switching device and a consumable input device for inputting consumables. The consumable switching device is used to change the switching state to conduct the consumables in the consumable output device to the print head. The 3D printing consumable switching device further includes:

[0195] An information receiving unit that obtains printing information, and the printing information at least includes printing consumable category information;

[0196] A state switching unit, in response to the change of the printing consumable category information from the first consumable category information to the second consumable category information, according to the position of the second consumable corresponding to the second consumable category information in the consumable input device and the current alignment state between the consumable switching device and the consumable input device, switches the consumable switching device to the second alignment state with the consumable input device. The second alignment state is used to conduct the consumables corresponding to the second consumable category information in the consumable input device to the 3D printer.

[0197] In the embodiment of the present application, the operations performed by each unit of the 3D printing consumable switching device are similar to those described in the foregoing Embodiment 1 or any specific method embodiment of Embodiment 1, and will not be elaborated here specifically. Of course, the specific implementation process of each operation in Embodiment 1 of the present application can also be implemented with reference to the relevant description in the second aspect.

[0198] Embodiment 4 of the present application provides a computer-readable storage medium, including instructions, which when run on a computer, cause the computer to execute the method of any one of the above methods.

[0199] Embodiment 5 of the present utility model provides a computer program product including instructions or a computer program, which when run on a computer, cause the computer to execute the method of any one of the above methods.

[0200] Embodiment 6 of the present application provides an electronic device 800, including: at least one central processing unit 801; and a memory 805 communicatively connected to at least one central processing unit 801;

[0201] Among them, the memory 805 stores instructions that can be executed by at least one central processing unit 801. The instructions are configured to execute the 3D printing consumable switching method according to any one of the above embodiments.

[0202] Among them, the memory 805 can be volatile storage or persistent storage. The program stored in the memory 805 may include one or more modules, and each module may include a series of instruction operations on the electronic device. Further, the central processing unit 801 can be configured to communicate with the memory 805 and execute a series of instruction operations in the memory 805 on the electronic device 800.

[0203] The electronic device 800 may further include one or more power supplies 802, one or more wired or wireless network interfaces 803, one or more input / output interfaces 804, and / or one or more operating systems, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, etc.

[0204] The central processing unit 801 can perform the operations executed by the first embodiment or any specific method embodiment of the first embodiment, which will not be elaborated here.

[0205] Embodiment 7 of the present invention provides a consumable switching device. The consumable switching device 10 includes at least two groups of consumable channels with movable positions. One group of consumable channels includes at least one double-channel unit. One group of consumable channels 100 is connected to the driving structure 6, and the driving structure 6 is used to drive one group of consumable channels 100 to switch between a first position and a second position;

[0206] By driving the corresponding group of consumable channels 100 to switch between the first position and the second position by the driving structure 6, different consumables can be guided to different 3D printing heads through the consumable switching device. Here, the first position and the second position are not particularly limited and can be two positions when a group of consumable channels moves linearly;

[0207] For example, one group of consumable channels 100 includes vertically arranged straight channels and a reversing channel in parallel. The first position can be the position where the straight channel corresponds to the consumable input device 30, and the second position is the position where the reversing channel corresponds to the consumable input device 30; or, the first position can be the position where the reversing channel corresponds to the consumable input device 30, and the second position is the position where the straight channel corresponds to the consumable input device 30.

[0208] In an alternative embodiment of the present utility model, at least two consumable channels with movable positions are arranged side by side on the same straight line. In practical applications, at least two consumable channels with movable positions can be arranged side by side in the horizontal direction, or at least two consumable channels with movable positions can be arranged side by side in the vertical direction.

[0209] In an alternative embodiment of the present utility model, the dual-channel unit includes two channels arranged side by side on the same straight line. In practical applications, the dual-channel unit can be two channels arranged side by side in the horizontal direction, or two channels arranged side by side in the vertical direction.

[0210] In an alternative embodiment of the present utility model, the dual-channel unit is one of a direct-through dual-channel 1, a cross dual-channel 2, or a mixed dual-channel.

[0211] The direct-through dual-channel 1 includes two straight channels arranged side by side on the same straight line. The cross dual-channel 2 includes two reversing channels arranged side by side on the same straight line. The mixed dual-channel includes a straight channel and a reversing channel arranged side by side on the same straight line.

[0212] It should be noted by way of example that, as Figure 12 and 13 shown, a set of consumable channels 100 includes a dual-channel unit, and a set of input channels includes a straight channel. The dual-channel unit is a mixed dual-channel, and the mixed dual-channel includes a straight channel and a reversing channel arranged side by side on the same straight line, and different output channels or print heads are guided through the straight channel and the reversing channel.

[0213] It should be noted that a straight channel means that the consumable can pass through the straight channel in the same direction, that is, the input direction and the output direction of the consumable in the straight channel are the same.

[0214] In an alternative embodiment of the present utility model, the inlet end and the outlet end of the reversing channel are located on different sides. For example, referring to Figure 7 , the reversing channel is a horizontally placed channel, its inlet end is located on the upper side of one end of the reversing channel, and its outlet end is located on the lower side of the other end of the reversing channel; that is, different sides mean that one of the inlet end and the outlet end is located on the upper side and the other is located on the lower side.

[0215] In an alternative embodiment of the present utility model, a set of consumable channels 100 includes two dual-channel units; the dual-channel unit can be one of a direct-through dual-channel 1, a cross dual-channel 2, or a hybrid dual-channel. When a set of consumable channels 100 includes a direct-through dual-channel 1 and a cross dual-channel 2, by adjusting the position of this set of consumable channels 100, the two consumables entering this set of consumable channels 100 can be directly guided to two print heads through the direct-through dual-channel 1, or the two consumables entering this set of consumable channels can be guided to two print heads through the cross dual-channel after consumable commutation; thus, the switching of consumable guidance is achieved by adjusting the position of this set of consumable channels.

[0216] As Figure 4 - 8 shown, Embodiment VII of the present utility model provides a consumable switching system, which includes the consumable switching device 10 in any one of the above and a consumable export structure 20 for conducting the consumables in the consumable switching device 10 to the print head.

[0217] The consumable export structure 20 includes a first export channel 4 and a second export channel 5 respectively connected to the output end of the consumable switching device 10. The first export channel 4 is used to conduct the consumables output by the consumable switching device 10 to the first print head, and the second export channel 5 is used to conduct the consumables output by the consumable switching device 10 to the second print head.

[0218] The consumable switching system provided by the present utility model can, through the consumable switching device 10 and the consumable export structure 20, export the consumables input into the consumable switching device 10 to the corresponding position or the corresponding print head of the 3D printer through the consumable export structure 20, so as to enable multiple consumables to be respectively input into the two print heads of the 3D printer through the consumable switching device 10, improving the utilization rate of consumables and devices.

[0219] It should be noted that the drive structure 6 of the present application for respectively driving each group of consumable channels can be in the form of motor drive, cylinder push, etc., and no specific limitation is made here.

[0220] In an alternative embodiment of the present utility model, the system further includes a consumable input device 30 for inputting consumables into the consumable switching device 10.

[0221] The consumable input device 30 includes at least two groups of input channels corresponding to at least two groups of consumable channels with movable positions. One group of input channels includes at least one straight channel.

[0222] In practical applications, one group of input channels is correspondingly arranged with one group of consumable channels.

[0223] In an alternative embodiment of the present utility model,

[0224] A set of consumable channels includes two dual-channel units, and a set of input channels includes two straight channels; or,

[0225] A set of consumable channels includes one dual-channel unit, and a set of input channels includes one straight channel and one reversing channel. In actual applications, one channel of the consumable input device corresponds to two channels of the consumable switching device.

[0226] In an alternative embodiment of the present utility model, a set of consumable channels 100 includes a straight-through dual-channel 1 and a cross dual-channel 2 arranged side by side on the same straight line. In actual applications, the straight-through dual-channel 1 and the cross dual-channel 2 can be arranged side by side in the horizontal direction, or the straight-through dual-channel 1 and the cross dual-channel 2 are arranged side by side in the vertical direction, or the straight-through dual-channel 1 and the cross dual-channel 2 are arranged side by side in the same straight line in other forms.

[0227] In an alternative embodiment of the present utility model, the consumable switching device 10 includes at least two sets of consumable channels with movable positions arranged side by side in the horizontal direction. A set of consumable channels 100 includes a straight-through dual-channel 1 and a cross dual-channel 2 arranged side by side in the vertical direction. A set of consumable channels 100 is connected to the driving structure 6, and the driving structure 6 is used to drive a set of consumable channels 100 to switch between a first position and a second position;

[0228] The consumable export structure 20 is correspondingly arranged with the straight-through dual-channel 1 or the cross dual-channel 2 of at least two sets of consumable channels.

[0229] In actual applications, as shown in the appendix Figure 4 , the consumable export structure 20 is correspondingly arranged with the straight-through dual-channel 1 of at least two sets of consumable channels, or the consumable export structure 20 is correspondingly arranged with the cross dual-channel 2 of at least two sets of consumable channels, so that the consumables in the straight-through dual-channel 1 or the cross dual-channel 2 of at least two sets of consumable channels can enter the consumable export structure 20, and the consumables are correspondingly conveyed to the corresponding position or the corresponding print head of the 3D printer through the consumable export structure 20.

[0230] In an alternative embodiment of the present utility model, the straight-through dual-channel 1 includes two straight channels arranged side by side in the vertical direction. The straight-through dual-channel 1 is used to guide the consumables to pass through the straight-through dual-channel 1 in the same direction. The cross dual-channel 2 includes two reversing channels arranged side by side in the vertical direction. The cross dual-channel 2 is used to guide the consumables to enter from the upper channel at the entrance end of the cross dual-channel 2 and output from the lower channel at the exit end of the cross dual-channel 2; the cross dual-channel 2 is used to guide the consumables to enter from the lower channel at the entrance end of the cross dual-channel 2 and output from the upper channel at the exit end of the cross dual-channel 2.

[0231] In an alternative embodiment of the present utility model, the consumable export structure 20 includes a first export channel 4 and a second export channel 5 arranged side by side in the vertical direction. The consumable export structure 20 is correspondingly arranged with the outlet ends of the direct-through dual channels 1 of at least two groups of consumable channels. The first export channel 4 is correspondingly arranged with the upper outlet end of the direct-through dual channel 1, and the second export channel 5 is correspondingly arranged with the lower outlet end of the direct-through dual channel 1. The first export channel 4 and the second export channel 5 are used to export the consumables in the consumable switching device 10 in different alignment states and convey them to the corresponding positions or corresponding print heads of the 3D printer; or,

[0232] The consumable export structure 20 is correspondingly arranged with the outlet ends of the cross dual channels 2 of at least two groups of consumable channels. The first export channel 4 is correspondingly arranged with the upper sub-outlet end of the cross dual channel 2, and the second export channel 5 is correspondingly arranged with the lower outlet end of the cross dual channel 2; The first export channel 4 and the second export channel 5 are used to export the consumables in the consumable switching device 10 in different alignment states and convey them to the corresponding positions or corresponding print heads of the 3D printer.

[0233] In practical applications, through the first export channel 4 and the second export channel 5, the consumables in the consumable switching device 10 in different alignment states are exported and conveyed to the corresponding positions or corresponding print heads of the 3D printer.

[0234] In an alternative embodiment of the present utility model, the consumable switching device 10 includes at least two groups of consumable channels that can move positions side by side in the vertical direction. One group of consumable channels 100 includes a direct-through dual channel 1 and a cross dual channel 2 arranged side by side in the horizontal direction. One group of consumable channels 100 is connected to a driving structure 6, and the driving structure 6 is used to drive one group of consumable channels 100 to switch between a first position and a second position;

[0235] The consumable export structure 20 is correspondingly arranged with the direct-through dual channels 1 or cross dual channels 2 of at least two groups of consumable channels.

[0236] In practical applications, as shown in the appendix Figure 5 The consumable export structure 20 is correspondingly arranged with the positions of the direct-through dual channels 1 of at least two groups of consumable channels, or the consumable export structure 20 is correspondingly arranged with the positions of the cross dual channels 2 of at least two groups of consumable channels, so that the consumables in the direct-through dual channels 1 or cross dual channels 2 of at least two groups of consumable channels can enter the consumable export structure 20, and the consumables are correspondingly conveyed to the corresponding positions or corresponding print heads of the 3D printer through the consumable export structure 20.

[0237] In an alternative embodiment of the present utility model, the straight-through dual-channel 1 includes two straight channels arranged side by side in the horizontal direction. The straight-through dual-channel 1 is used to guide the consumable along the same direction through the straight-through dual-channel 1. The cross dual-channel 2 includes two reversing channels arranged side by side in the horizontal direction. The cross dual-channel 2 is used to guide the consumable to enter from the left channel at the inlet end of the cross dual-channel 2 and output from the right channel at the outlet end of the cross dual-channel 2; the cross dual-channel 2 is used to guide the consumable to enter from the right channel at the inlet end of the cross dual-channel 2 and output from the left channel at the outlet end of the cross dual-channel 2.

[0238] In an alternative embodiment of the present utility model, the consumable export structure 20 includes a first export channel 4 and a second export channel 5 arranged side by side in the horizontal direction. The consumable export structure 20 is correspondingly arranged with the outlet end of the straight-through dual-channel 1 of at least two groups of consumable channels. The first export channel 4 is correspondingly arranged with the left outlet end of the straight-through dual-channel 1, and the second export channel 5 is correspondingly arranged with the right outlet end of the straight-through dual-channel 1. The first export channel 4 and the second export channel 5 are used to export the consumables in the consumable switching device 10 in different alignment states and convey them to the corresponding position or the corresponding print head of the 3D printer; or,

[0239] The consumable export structure 20 is correspondingly arranged with the outlet end of the cross dual-channel 2 of at least two groups of consumable channels. The first export channel 4 is correspondingly arranged with the left outlet end of the cross dual-channel 2, and the second export channel 5 is correspondingly arranged with the right outlet end of the cross dual-channel 2. The first export channel 4 and the second export channel 5 are used to export the consumables in the consumable switching device 10 in different alignment states and convey them to the corresponding position or the corresponding print head of the 3D printer.

[0240] In practical applications, through the first export channel 4 and the second export channel 5, the consumables in the consumable switching device 10 in different alignment states are exported and conveyed to the corresponding position or the corresponding print head of the 3D printer.

[0241] In an alternative embodiment of the present utility model, the consumable input device 30 includes at least two groups of input channels arranged side by side on the same straight line. The consumable input device 30 is correspondingly arranged with the inlet end of the straight-through dual-channel 1 or the cross dual-channel 2. In practical applications, in the initial state, the consumable input device 30 is correspondingly arranged with the inlet end of the straight-through dual-channel 1, and the consumable input device 30 is correspondingly arranged with the inlet end of the cross dual-channel 2.

[0242] In an alternative embodiment of the present utility model, as shown in the appendix Figure 6As shown in the figure, the consumable switching device 10 includes at least two sets of consumable channels with movable positions arranged side by side in the horizontal direction. One set of consumable channels 100 includes a vertical straight-through double channel 1 and a cross double channel 2 arranged side by side. One set of consumable channels 100 is connected to a driving structure 6, and the driving structure 6 is used to drive one set of consumable channels 100 to switch between a first position and a second position;

[0243] The consumable export structure 20 is correspondingly arranged with the straight-through double channel 1 or the cross double channel 2 of at least two sets of consumable channels.

[0244] In an optional manner in the embodiment of the present invention, the straight-through double channel 1 includes two straight channels arranged side by side in the horizontal direction. The straight-through double channel 1 is used to guide the consumable to pass through the straight-through double channel 1 in the same direction. The cross double channel 2 includes two reversing channels arranged side by side in the horizontal direction. The cross double channel 2 is used to guide the consumable to enter from the left channel at the inlet end of the cross double channel 2 and output from the right channel at the outlet end of the cross double channel 2; The cross double channel 2 is used to guide the consumable to enter from the right channel at the inlet end of the cross double channel 2 and output from the left channel at the outlet end of the cross double channel 2.

[0245] In an optional manner in the embodiment of the present invention, the consumable export structure 20 includes a first export channel 4 and a second export channel 5 arranged side by side in the horizontal direction. The consumable export structure 20 is correspondingly arranged with the outlet end of the straight-through double channel 1 of at least two sets of consumable channels. The first export channel 4 is correspondingly arranged with the left channel of the straight-through double channel 1, and the second export channel 5 is correspondingly arranged with the right channel of the straight-through double channel 1; Or,

[0246] The consumable export structure 20 is correspondingly arranged with the outlet end of the cross double channel 2 of at least two sets of consumable channels. The first export channel 4 is correspondingly arranged with the left channel of the cross double channel 2, and the second export channel 5 is correspondingly arranged with the right channel of the cross double channel 2.

[0247] In the consumable switching system of the present invention, by setting at least two sets of consumable channels with movable positions arranged side by side on the same straight line, by moving the position of a specific set of consumable channels, two types of consumables in the consumable switching device are respectively output to the corresponding positions of the 3D printer or the corresponding print heads through the consumable export structure. Through this system, the consumable conveying structure of the 3D printer is optimized, and the utilization rate of the consumables is improved.

[0248] In an optional embodiment, a 3D printing consumable switching method, which is applied to a consumable switching device, and the consumable switching device receives the consumables transmitted by a consumable input device,

[0249] obtains printing information, and the printing information at least includes printing consumable category information,

[0250] In response to the printing consumable category information changing from the first consumable category information to the second consumable category information, according to the position of the second consumable corresponding to the second consumable category information in the consumable input device and the current alignment state between the consumable switching device and the consumable input device, switch the consumable switching device to the second alignment state with the consumable input device, and the second alignment state is used to conduct the consumable corresponding to the second consumable category information in the consumable input device to the 3D printer;

[0251] The alignment state is that the consumable switching device outputs at least two kinds of consumables to the 3D printer simultaneously.

[0252] Mark 2. On the basis of Mark 1, the second alignment state is the same as the current alignment state. The switching of the consumable switching device to the second alignment state with the consumable input device includes:

[0253] Control the position of the consumable switching device to remain in place, so that the alignment state between the consumable switching device and the consumable input device is the current alignment state;

[0254] If the second alignment state is different from the current alignment state, the switching of the consumable switching device to the second alignment state with the consumable input device includes:

[0255] Control the consumable switching device to act, so that the alignment state between the consumable switching device and the consumable input device is the second alignment state.

[0256] Mark 3. On the basis of Mark 2, the consumable switching device includes at least two groups of consumable channels with movable positions, and the second alignment state is different from the current alignment state;

[0257] The control of the consumable switching device to act, so that the alignment state between the consumable switching device and the consumable input device is the second alignment state, includes moving the position of at least one group of consumable channels among the at least two groups of consumable channels with movable positions, so that the input channel corresponding to the second consumable category information in the consumable input device is aligned with the position of the consumable channel corresponding to the second consumable category information among the at least two groups of consumable channels with movable positions.

[0258] Mark 4. On the basis of Mark 2, the consumable switching device includes at least two groups of consumable channels with movable positions. The position of one group of consumable channels includes a first position and a second position, and the alignment state includes at most two groups of consumable channels located at the second position;

[0259] The control of the position of the consumable switching device to remain in place, so that the alignment state between the consumable switching device and the consumable input device is the current alignment state, includes:

[0260] Control the consumable channels corresponding to the second consumable category information to remain in the first position or the second position;

[0261] The control of the consumable switching device to act so that the alignment state of the consumable switching device and the consumable input device is the second alignment state includes:

[0262] Control the consumable channels corresponding to the second consumable category information to switch from the first position to the second position, or from the second position to the first position.

[0263] Mark 5. On the basis of Mark 2, the consumable switching device includes at least two groups of consumable channels with movable positions. The positions of one group of consumable channels include a first position and a second position. The current alignment state includes at most two groups of consumable channels located in the second position. The current alignment state includes an A position state, a B position state, and a C position state; when at least two groups of consumable channels are both located in the first position, it is the A position state; when one of the at least two groups of consumable channels with movable positions is located in the second position, it is the B position state; when two of the at least two groups of consumable channels with movable positions are located in the second position, it is the C position state.

[0264] Mark 6. On the basis of Mark 5, the consumable input device includes at least two groups of input channels arranged side by side in the horizontal direction. One group of input channels includes two input channels arranged side by side in the vertical direction; the first consumable corresponding to the first consumable category information is in the group of consumable channels located in the second position.

[0265] When the current alignment state is the A position state,

[0266] The switching of the consumable switching device to the second alignment state with the consumable input device according to the position of the second consumable corresponding to the second consumable category information and the current alignment state of the consumable switching device and the consumable input device specifically includes;

[0267] When the positions of the first consumable corresponding to the first consumable category information and the second consumable corresponding to the second consumable category information are both above the input channels of the consumable input device or both below the input channels of the consumable input device, control the group of consumable channels corresponding to the second consumable category information to switch from the first position to the second position;

[0268] When the position of the first consumable corresponding to the first consumable category information and the position of the second consumable corresponding to the second consumable category information are respectively above and below the input channels of the consumable input device, then maintain the A position state as the second alignment state.

[0269] Marker 7, based on Marker 5, the consumable input device includes at least two sets of input channels arranged side by side in the horizontal direction, and one set of input channels includes two input channels arranged side by side in the vertical direction; when the current alignment state is the B position state,

[0270] Based on the position of the second consumable corresponding to the second consumable category information in the consumable input device, and the current alignment state of the consumable switching device and the consumable input device, switch the consumable switching device to the second alignment state with the consumable input device, specifically including;

[0271] When the position of the first consumable corresponding to the first consumable category information is in the set of consumable channels located at the second position, if the position of the second consumable corresponding to the second consumable category information is in the set of consumable channels located at the second position, the set of movable position consumable channels corresponding to the second consumable category information remains unchanged;

[0272] When the position of the first consumable corresponding to the first consumable category information is in the set of consumable channels located at the second position, if the position of the second consumable corresponding to the second consumable category information is in one of the sets of consumable channels located at the first position, and the position of the first consumable corresponding to the first consumable category information and the position of the second consumable corresponding to the second consumable category information are both in the upper input channel of the consumable input device or both in the lower input channel of the consumable input device, the set of movable position consumable channels corresponding to the second consumable category information remains unchanged;

[0273] When the position of the first consumable corresponding to the first consumable category information is in the set of consumable channels located at the second position, if the position of the second consumable corresponding to the second consumable category information is in one of the sets of consumable channels located at the first position, and the position of the first consumable corresponding to the first consumable category information and the position of the second consumable corresponding to the second consumable category information are respectively in the upper input channel and the lower input channel of the consumable input device, the set of movable position consumable channels corresponding to the second consumable category information is switched from the first position to the second position;

[0274] When the position of the first consumable corresponding to the first consumable category information is in one of the sets of consumable channels located at the first position, if the position of the second consumable corresponding to the second consumable category information is in one of the sets of consumable channels located at the first position, and the position of the first consumable corresponding to the first consumable category information and the position of the second consumable corresponding to the second consumable category information are both in the upper input channel of the consumable input device or both in the lower input channel of the consumable input device, control the set of movable position consumable channels corresponding to the second consumable category information to be switched from the first position to the second position;

[0275] When the first consumable position corresponding to the first consumable category information is in one of the consumable channels located at the first position, if the second consumable position corresponding to the second consumable category information is in one of the consumable channels located at the first position, the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are respectively in the upper input channel and the lower input channel of the consumable input device, and control the consumable channels at a set of movable positions corresponding to the second consumable category information to remain at the first position.

[0276] Marker 8, based on Marker 5,

[0277] When the current alignment state is the C position state, the consumable input device includes at least two sets of input channels arranged side by side in the horizontal direction, and one set of input channels includes two input channels arranged side by side in the vertical direction; the first consumable corresponding to the first consumable category information is in the set of consumable channels located at the second position.

[0278] Switch the consumable switching device to the second alignment state with the consumable input device according to the position of the second consumable corresponding to the second consumable category information in the consumable input device and the current alignment state between the consumable switching device and the consumable input device, specifically including;

[0279] If the second consumable position corresponding to the second consumable category information is in the set of consumable channels located at the second position, and the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are respectively in the upper input channel and the lower input channel of the consumable input device, the consumable channels at a set of movable positions corresponding to the second consumable category information remain at the second position;

[0280] If the second consumable position corresponding to the second consumable category information is in the set of consumable channels located at the second position, and the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are both in the upper input channel of the consumable input device or both in the lower input channel of the consumable input device, the consumable channels at a set of movable positions corresponding to the second consumable category information are switched from the second position to the first position;

[0281] If the second consumable position corresponding to the second consumable category information is in one of the consumable channels located at the first position, and the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are respectively in the upper input channel and the lower input channel of the consumable input device, the consumable channels at a set of movable positions corresponding to the second consumable category information are switched from the first position to the second position;

[0282] If the second consumable position corresponding to the second consumable category information is in one of the consumable channels located at the first position, and the first consumable position corresponding to the first consumable category information and the second consumable position corresponding to the second consumable category information are both in the upper input channel or the lower input channel of the consumable input device, the consumable channels at a set of movable positions corresponding to the second consumable category information are maintained at the first position.

[0283] Mark 9. On the basis of Mark 4, when at least two sets of consumable channels at movable positions are both located at the first position, the consumable switching device is in the initial state.

[0284] Mark 10. On the basis of Mark 1, the consumable input device includes at least two sets of input channels corresponding to the at least two sets of consumable channels at movable positions, and one set of input channels includes at least one straight channel.

[0285] Mark 11. On the basis of Mark 3, one set of consumable channels at movable positions includes at least one dual-channel unit, and the dual-channel unit includes two consumable channels.

[0286] Mark 12. On the basis of Mark 10, the consumable input device includes at least two sets of input channels arranged side by side in the horizontal direction, and one set of input channels includes two straight channels arranged side by side in the vertical direction; at least two sets of consumable channels at movable positions are arranged side by side in the horizontal direction, and one set of consumable channels at movable positions includes at least one straight-through dual channel and one cross dual channel arranged side by side in the vertical direction;

[0287] In the initial state, at least two sets of input channels are correspondingly arranged with the straight-through dual channels, or at least two sets of input channels are correspondingly arranged with the cross dual channels.

[0288] Mark 13. On the basis of Mark 1, the printed consumable category information includes at least consumable color information and / or consumable material information.

[0289] In an alternative embodiment, Mark 14, a 3D printing consumable switching device includes a consumable switching device and a consumable input device for inputting consumables. The consumable switching device is used to change the switching state to conduct the consumables in the consumable output device to the print head. The 3D printing consumable switching device further includes:

[0290] An information receiving unit that obtains printing information, and the printing information includes at least printed consumable category information;

[0291] A status switching unit, in response to the printing consumable category information changing from the first consumable category information to the second consumable category information, switches the consumable switching device to a second alignment state with the consumable input device according to the position of the consumable corresponding to the second consumable category information in the consumable input device and the current alignment state between the consumable switching device and the consumable input device. The second alignment state is used to conduct the consumable corresponding to the second consumable category information in the consumable input device to the 3D printer.

[0292] In an alternative embodiment, reference numeral 15, a computer storage medium stores multiple instructions, and the instructions are adapted to be loaded and executed by a processor to perform the steps of the 3D printing consumable switching method according to any one of reference numerals 1 - 13.

[0293] In an alternative embodiment, reference numeral 16, a computer program product including instructions or a computer program, when the computer program product runs on a computer, causes the computer to execute the steps of the 3D printing consumable switching method according to any one of reference numerals 1 to 13.

[0294] In an alternative embodiment, reference numeral 17, an electronic device includes: at least one central processing unit; and a memory communicatively connected to the at least one central processing unit;

[0295] Wherein, the memory stores instructions executable by the at least one central processing unit, and the instructions are configured to perform the steps of the 3D printing consumable switching method according to any one of reference numerals 1 - 13.

[0296] In an alternative embodiment, reference numeral 18, a consumable switching device, the consumable switching device 10 includes at least two groups of consumable channels with movable positions, one group of consumable channels includes at least one dual-channel unit, and one group of consumable channels 100 is connected to a driving structure 6, and the driving structure 6 is used to drive one group of consumable channels 100 to switch between a first position and a second position.

[0297] Reference numeral 19, based on reference numeral 18, the at least two groups of consumable channels with movable positions are arranged side by side on the same straight line.

[0298] Reference numeral 20, based on reference numeral 18, the dual-channel unit includes two channels arranged side by side on the same straight line.

[0299] Reference numeral 21, based on reference numeral 20, the dual-channel unit is one of a straight-through dual-channel 1, a cross dual-channel 2, or a hybrid dual-channel,

[0300] The straight-through dual-channel 1 includes two straight channels arranged side by side on the same straight line, the cross dual-channel 2 includes two reversing channels arranged side by side on the same straight line, and the hybrid dual-channel includes a straight channel and a reversing channel arranged side by side on the same straight line.

[0301] Marker 22. Based on Marker 21, the inlet end and the outlet end of the commutation channel are located on different sides.

[0302] Marker 23. Based on Marker 18, a set of consumable channels includes two dual-channel units.

[0303] In an alternative embodiment, Marker 24. A consumable switching system, the system includes a consumable switching device 10 with Markers 18 - 23 and a consumable export structure 20 for conducting the consumables in the consumable switching device 10 to the print head.

[0304] The consumable export structure 20 includes a first export channel 4 and a second export channel 5 respectively connected to the output end of the consumable switching device 10. The first export channel 4 is used to conduct the consumables output by the consumable switching device 10 to the first print head, and the second export channel 5 is used to conduct the consumables output by the consumable switching device 10 to the second print head.

[0305] Marker 25. Based on Marker 24, the system further includes a consumable input device 30 for inputting consumables into the consumable switching device 10.

[0306] The consumable input device 30 includes at least two groups of input channels corresponding to the at least two groups of consumable channels with movable positions. A group of input channels includes at least one straight channel.

[0307] Marker 26. Based on Marker 25, a set of consumable channels 100 includes two dual-channel units, and a set of input channels includes two straight channels; or,

[0308] A set of consumable channels 100 includes one dual-channel unit, and a set of input channels includes one straight channel.

[0309] Marker 27. Based on Marker 26, a set of consumable channels 100 includes a direct-through dual-channel 1 and a cross dual-channel 2 arranged side by side on the same straight line.

[0310] Marker 28. Based on Marker 27, the consumable switching device 10 includes at least two groups of consumable channels with movable positions arranged side by side in the horizontal direction. A set of consumable channels 100 includes a direct-through dual-channel 1 and a cross dual-channel 2 arranged side by side in the vertical direction. A set of consumable channels 100 is connected to a driving structure 6, and the driving structure 6 is used to drive a set of consumable channels 100 to switch between a first position and a second position;

[0311] The consumable export structure 20 is correspondingly arranged with the direct-through dual-channel 1 or the cross dual-channel 2 of at least two groups of consumable channels.

[0312] Mark 29. On the basis of Mark 28, the through double-channel 1 includes two straight channels arranged side by side in the vertical direction. The through double-channel 1 is used to guide the consumable to pass through the through double-channel 1 in the same direction. The cross double-channel 2 includes two reversing channels arranged side by side in the vertical direction. The cross double-channel 2 is used to guide the consumable to enter from the upper channel at the entrance end of the cross double-channel 2 and output from the lower channel at the exit end of the cross double-channel 2; the cross double-channel 2 is used to guide the consumable to enter from the lower channel at the entrance end of the cross double-channel 2 and output from the upper channel at the exit end of the cross double-channel 2.

[0313] Mark 30. On the basis of Mark 28, the consumable export structure 20 includes a first export channel 4 and a second export channel 5 arranged side by side in the vertical direction. The consumable export structure 20 is correspondingly arranged with the exit end of the through double-channel 1 of at least two groups of consumable channels. The first export channel 4 is correspondingly arranged with the upper exit end of the through double-channel 1, and the second export channel 5 is correspondingly arranged with the lower exit end of the through double-channel 1; or,

[0314] The consumable export structure 20 is correspondingly arranged with the exit end of the cross double-channel 2 of at least two groups of consumable channels. The first export channel 4 is correspondingly arranged with the upper exit end of the cross double-channel 2, and the second export channel 5 is correspondingly arranged with the lower exit end of the cross double-channel 2.

[0315] Mark 31. On the basis of Mark 27, the consumable switching device 10 includes at least two groups of consumable channels with movable positions arranged side by side in the vertical direction. One group of consumable channels 100 includes a through double-channel 1 and a cross double-channel 2 arranged side by side in the horizontal direction. One group of consumable channels 100 is connected to the driving structure 6, and the driving structure 6 is used to drive one group of consumable channels 100 to switch between the first position and the second position;

[0316] The consumable export structure 20 is correspondingly arranged with the through double-channel 1 or the cross double-channel 2 of at least two groups of consumable channels.

[0317] Mark 32. On the basis of Mark 31, the through double-channel 1 includes two straight channels arranged side by side in the horizontal direction. The through double-channel 1 is used to guide the consumable to pass through the through double-channel 1 in the same direction. The cross double-channel 2 includes two reversing channels arranged side by side in the horizontal direction. The cross double-channel 2 is used to guide the consumable to enter from the left channel at the entrance end of the cross double-channel 2 and output from the right channel at the exit end of the cross double-channel 2; the cross double-channel 2 is used to guide the consumable to enter from the right channel at the entrance end of the cross double-channel 2 and output from the left channel at the exit end of the cross double-channel 2.

[0318] Mark 33. On the basis of Mark 31, the consumable export structure 20 includes a first export channel 4 and a second export channel 5 arranged side by side in the horizontal direction. The consumable export structure 20 is correspondingly arranged with the outlet ends of at least two groups of straight-through dual channels 1 of the consumable channels. The first export channel 4 is correspondingly arranged with the left outlet end of the straight-through dual channel 1, and the second export channel 5 is correspondingly arranged with the right outlet end of the straight-through dual channel 1; or,

[0319] The consumable export structure 20 is correspondingly arranged with the outlet ends of at least two groups of cross dual channels 2 of the consumable channels. The first export channel 4 is correspondingly arranged with the left outlet end of the cross dual channel 2, and the second export channel 5 is correspondingly arranged with the right outlet end of the cross dual channel 2.

[0320] Mark 34. On the basis of Mark 28 or 31, the consumable input device 30 includes at least two groups of input channels arranged side by side on the same straight line. The consumable input device 30 is correspondingly arranged with the inlet ends of the straight-through dual channel 1 or the cross dual channel 2.

[0321] It can be understood that in various embodiments of the present application, the sequence numbers of the steps do not mean the order of execution. The order of execution of each step should be determined by its function and internal logic, and should not constitute any limitation to the implementation process of the embodiments of the present application. The operation content added or refined in each example solution of the above method, system or device (if any) does not necessarily have to be executed during specific implementation. If more than two operations are added, these operations can be combined or implemented separately, depending on the actual scenario.

[0322] Those skilled in the art can clearly understand that for the convenience and brevity of description, the specific working process of the above-described system (if any) and device can refer to the corresponding process in the foregoing method embodiments, and will not be described herein again.

[0323] In several embodiments provided in the present application, it should be understood that the disclosed device and method can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or integrated into another system or device, or some features can be ignored or not executed. Another point is that the displayed or discussed coupling or direct coupling or communication connection between each other can be through some interfaces. The indirect coupling or communication connection of the device or unit can be in electrical, mechanical or other forms.

[0324] The unit described as a separation component may or may not be physically separated, and the component displayed as a unit may or may not be a physical unit, that is, it may be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0325] In addition, each functional unit in various embodiments of the present application may be integrated in a processing unit, may exist physically separately for each unit, or two or more units may be integrated in one unit. The above-mentioned integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

[0326] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application, in essence, or the part that contributes to the prior art, or all or part of this technical solution, can be embodied in the form of a software product. This computer software product (computer program product) is stored in a storage medium and includes several instructions for causing a computer device (which can be a personal computer, a business server, or a network device, etc.) to execute all or part of the steps of the methods in various embodiments of the present application. The foregoing storage medium includes: various media such as USB flash drives, mobile hard disks, read-only memories (ROMs), random access memories (RAMs), magnetic disks, or optical discs that can store program codes.

[0327] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A consumable switching device, characterized in that, The consumable switching device includes at least two sets of consumable channels with movable positions. One set of consumable channels includes at least one double-channel unit. One set of consumable channels is connected to a driving structure, and the driving structure is used to drive one set of consumable channels to switch between a first position and a second position.

2. The consumable switching device according to claim 1, wherein The at least two sets of consumable channels with movable positions are arranged side by side on the same straight line.

3. The consumable switching device according to claim 1, wherein The double-channel unit includes two channels arranged side by side on the same straight line.

4. The consumable switching device according to claim 3, wherein The double-channel unit is one of a straight-through double-channel, a cross double-channel, or a hybrid double-channel. The straight-through double-channel includes two straight channels arranged side by side on the same straight line. The cross double-channel includes two reversing channels arranged side by side on the same straight line. The hybrid double-channel includes a straight channel and a reversing channel arranged side by side on the same straight line.

5. The consumable switching device according to claim 4, wherein The inlet end and the outlet end of the reversing channel are located on different sides.

6. The consumable switching device according to claim 1, wherein, One set of consumable channels includes two double-channel units.

7. A consumable switching system, characterized in that, The system includes the consumable switching device according to any one of claims 1-6, and a consumable export structure for conducting the consumables in the consumable switching device to a print head. The consumable export structure includes a first export channel and a second export channel respectively connected to the output end of the consumable switching device. The first export channel is used to conduct the consumables output by the consumable switching device to a first print head, and the second export channel is used to conduct the consumables output by the consumable switching device to a second print head.

8. The consumable switching system according to claim 7, wherein The system further includes a consumable input device for inputting consumables into the consumable switching device. The consumable input device includes at least two sets of input channels corresponding to at least two sets of consumable channels with movable positions. One set of input channels includes at least one straight channel.

9. The consumable switching system according to claim 8, wherein, One set of consumable channels includes two double-channel units, and one set of input channels includes two straight channels; or, One set of consumable channels includes one double-channel unit, and one set of input channels includes one straight channel.

10. The consumable switching system according to claim 9, wherein, One set of consumable channels includes a straight-through double-channel and a cross double-channel arranged side by side on the same straight line.

11. The consumable switching system according to claim 10, wherein The consumable switching device includes at least two sets of consumable channels with movable positions arranged side by side in the horizontal direction. One set of consumable channels includes a straight-through double-channel and a cross double-channel arranged side by side in the vertical direction. One set of consumable channels is connected to a driving structure, and the driving structure is used to drive one set of consumable channels to switch between a first position and a second position; The consumable export structure is correspondingly arranged with the straight-through double-channel or the cross double-channel of at least two sets of consumable channels.

12. The consumable switching system according to claim 11, wherein The straight-through double-channel includes two straight channels arranged side by side in the vertical direction. The straight-through double-channel is used to guide the consumables to pass through the straight-through double-channel in the same direction. The cross double-channel includes two reversing channels arranged side by side in the vertical direction. The cross double-channel is used to guide the consumables to enter from the upper channel at the inlet end of the cross double-channel and output from the lower channel at the outlet end of the cross double-channel; The cross double-channel is used to guide the consumables to enter from the lower channel at the inlet end of the cross double-channel and output from the upper channel at the outlet end of the cross double-channel.

13. The consumable switching system according to claim 11, wherein the consumable export structure includes a first export channel and a second export channel arranged side by side in the vertical direction. The consumable export structure is correspondingly arranged with the direct double-channel outlet ends of at least two groups of consumable channels. The first export channel is correspondingly arranged with the upper channel of the direct double-channel outlet end, and the second export channel is correspondingly arranged with the lower channel of the direct double-channel outlet end; or the consumable export structure is correspondingly arranged with the outlet ends of the cross double-channels of at least two groups of consumable channels. The first export channel is correspondingly arranged with the upper outlet end of the cross double-channel, and the second export channel is correspondingly arranged with the lower outlet end of the cross double-channel.

14. The consumable switching system according to claim 10, wherein the consumable switching device includes at least two groups of movable consumable channels arranged side by side in the vertical direction. One group of consumable channels includes a direct double-channel and a cross double-channel arranged side by side in the horizontal direction. One group of consumable channels is connected to a driving structure, and the driving structure is used to drive one group of consumable channels to switch between a first position and a second position; the consumable export structure is correspondingly arranged with the direct double-channels or cross double-channels of at least two groups of consumable channels.

15. The consumable switching system according to claim 14, wherein the direct double-channel includes two straight channels arranged side by side in the horizontal direction. The direct double-channel is used to guide the consumable to pass through the direct double-channel in the same direction. The cross double-channel includes two reversing channels arranged side by side in the horizontal direction. The cross double-channel is used to guide the consumable to enter from the left channel at the entrance end of the cross double-channel and output from the right channel at the exit end of the cross double-channel; The cross double-channel is used to guide the consumable to enter from the right channel at the entrance end of the cross double-channel and output from the left channel at the exit end of the cross double-channel.

16. The consumable switching system according to claim 14, wherein the consumable export structure includes a first export channel and a second export channel arranged side by side in the horizontal direction. The consumable export structure is correspondingly arranged with the outlet ends of the direct double-channels of at least two groups of consumable channels. The first export channel is correspondingly arranged with the left outlet end of the direct double-channel, and the second export channel is correspondingly arranged with the right outlet end of the direct double-channel; or the consumable export structure is correspondingly arranged with the outlet ends of the cross double-channels of at least two groups of consumable channels. The first export channel is correspondingly arranged with the left outlet end of the cross double-channel, and the second export channel is correspondingly arranged with the right outlet end of the cross double-channel.

17. The consumable switching system according to claim 11 or 14, wherein the consumable input device includes at least two groups of input channels arranged side by side on the same straight line. The consumable input device is correspondingly arranged with the entrance end of the direct double-channel or the cross double-channel.

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