Anti-rollback device, transfer conveying device and printer

Abstract

The utility model discloses an anti-return device, a transfer conveying device and a printer, the anti-return device comprises a mounting piece, a retaining piece, an elastic piece and a limiting structure, the anti-return device is provided with a mounting groove, the retaining piece is rotatably mounted in the mounting groove, at least part of the retaining piece protrudes out of the surface of the mounting piece, the elastic piece is arranged in the mounting groove, and the limiting structure is arranged on the elastic piece. One end of the elastic piece abuts against the retaining piece, the end, away from the retaining piece, of the elastic piece is arranged in the mounting groove, and the limiting structure is located in the mounting groove and used for limiting the rotation angle of the retaining piece. The elastic piece drives the retaining piece to rotate to enable at least part of the retaining piece to protrude out of the upper surface of the mounting piece, so that when the to-be-printed article retreats, the to-be-printed article can be blocked by the protruding part of the retaining piece, and the phenomenon that the to-be-printed article retreats is prevented.

Description

Technical Field

[0001] The present application relates to the field of printers, and in particular to an anti-backward device, a transfer and conveying device, and a printer. Background Art

[0002] On automated ID production and packaging lines, ID booklets undergo printing, cutting, and other processes before being accurately and efficiently transferred to packaging and other processes. To achieve this, the automated system requires that the ID booklets be evenly and orderly placed on the downstream conveyor line to ensure smooth subsequent packaging. However, in actual operations, the transfer of ID booklets from the collection box to the conveyor line often presents a technical challenge.

[0003] Specifically, when the unloading push mechanism pushes the ID books out of the collection box's exit and then resets it, a mechanical design flaw often causes the remaining stacked ID books in the collection box to recoil. This recoil can damage the triggering mechanism for the infeed push mechanism. The main function of the infeed push mechanism is to continuously propel the ID books in the collection box toward the exit, ensuring a continuous and stable flow of ID books into the conveyor line. Utility Model Content

[0004] In view of this, the purpose of this application is to overcome the deficiencies in the prior art and to provide an anti-backward device, a transfer and conveying device, and a printer.

[0005] To achieve the above objectives, the technical solutions adopted in this application are as follows:

[0006] This application provides:

[0007] An anti-fallback device, the anti-fallback device comprising:

[0008] a mounting member, wherein the anti-backoff device has a mounting slot;

[0009] A retaining member, the retaining member being rotatably mounted in the mounting groove, the retaining member at least partially protruding from a surface of the mounting member;

[0010] an elastic member, the elastic member being arranged in the installation slot, one end of the elastic member being in contact with the retaining member, and one end of the elastic member being away from the retaining member being arranged in the installation slot;

[0011] A limiting structure is located in the mounting groove and is used to limit the rotation angle of the retaining member.

[0012] Furthermore, the limiting structure includes a limiting member installed on the stop member, the inner wall of the installation groove is provided with limiting grooves of the same number as the stop member, the limiting member is at least partially located in the limiting groove, and the stop member is subjected to force to drive the limiting member to move in the limiting groove.

[0013] Furthermore, an included angle θ formed between the retaining member and the horizontal plane satisfies 15°≤θ≤60°.

[0014] Furthermore, the height h of the retaining member protruding from the upper surface of the mounting member satisfies 5mm≤h≤20mm.

[0015] Furthermore, the retaining members are linearly and evenly distributed in the installation groove, and there is at least one row of the retaining members.

[0016] Furthermore, the elastic member is a compression spring, and a groove is provided on the retaining member and / or the mounting slot, wherein:

[0017] One end of the compression spring abuts against the groove on the retaining member, and the other end of the compression spring abuts against the groove on the mounting slot;

[0018] Alternatively, one end of the compression spring abuts against the groove on the retaining member, and the other end of the compression spring is fixed to the mounting groove;

[0019] Alternatively, one end of the compression spring abuts against the retaining member, and the other end of the compression spring abuts against the groove on the installation slot.

[0020] Furthermore, a plurality of evenly distributed hinge shafts are installed in the installation groove, the retaining member is installed on the hinge shaft, and the elastic member is a torsion spring, which is arranged on the hinge shaft.

[0021] The present application also provides a transfer and conveying device, comprising:

[0022] A collection pushing structure, wherein the anti-backward device described in any one of the above items is installed, and the anti-backward device is unidirectional along the pushing direction of the collection pushing structure. The collection pushing structure is used to push and load the items to be printed, and the collection pushing structure has a discharge port;

[0023] A material unloading and pushing structure, the material unloading and pushing structure is located at the unloading position of the collection and pushing structure, and is used to push the to-be-printed articles conveyed by the collection and pushing structure to the unloading port for unloading;

[0024] A flip assembly is located at the material discharge port and is used to transfer the items to be printed from the material discharge and pushing structure.

[0025] Furthermore, the collection push structure includes:

[0026] A collection box frame, the collection box frame defines a pushing chamber for accommodating articles to be printed, and the anti-backward device is located in the pushing chamber;

[0027] A material feeding and pushing structure, the material feeding and pushing structure being mounted on the collection box frame, the pushing end of the material feeding and pushing structure being located in the pushing chamber, and the material feeding and pushing structure being used to push the items to be printed in the pushing chamber;

[0028] A conveying structure is located in the pushing chamber and is used to convey the article to be printed in the pushing chamber.

[0029] Furthermore, the feed pushing structure includes a first linear drive module, a driven frame is installed on the driving end of the first linear drive module, a first sliding block is fixedly installed on the driven frame, a limiting shaft is slidably installed in the through hole of the first sliding block, the other end of the limiting shaft is fixedly connected to the second sliding block, a feed pushing block is installed on the second sliding block, a telescopic part is provided on the outer surface of the limiting shaft, the telescopic part is located between the first sliding block and the second sliding block, a first trigger sensor is installed on the driven frame, and a first trigger part adapted to the first trigger sensor is installed on the second sliding block, wherein the first sliding block and the second sliding block are both slidably set on the guide rail.

[0030] The present application also discloses a printer, comprising any of the above-mentioned anti-backward device or transfer conveying device.

[0031] The present application drives the stop member to rotate through an elastic member so that at least a portion of it protrudes from the upper surface of the mounting member, so that when the object to be printed moves backward, it can be blocked by the protruding portion of the stop member, thereby preventing the object to be printed from moving backward.

[0032] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0034] Figure 1 A schematic diagram of the anti-rollback device of the present application is shown;

[0035] Figure 2 A schematic diagram of the explosion state of the anti-fallback device of the present application is shown;

[0036] Figure 3 Shows a schematic structural diagram of the transfer and conveying device of the present application;

[0037] Figure 4 It shows a schematic diagram of the structure of the transfer and conveying device of the present application in an explosion state;

[0038] Figure 5 Shows a schematic diagram of the push structure of this application collection;

[0039] Figure 6 Shows a schematic diagram of the feeding and pushing structure of this application;

[0040] Figure 7 Shows an exploded schematic diagram of the feed and push structure of this application;

[0041] Figure 8 Shows a schematic diagram of the conveying structure of this application;

[0042] Figure 9 Shows an exploded schematic diagram of the conveying structure of the present application;

[0043] Figure 10 Shows an exploded schematic diagram of the blanking and pushing structure of this application;

[0044] Figure 11 A schematic diagram of the explosion structure of the driven block, the blanking push block, and the second trigger member of the present application is shown.

[0045] Description of main component symbols:

[0046] 100, anti-retraction device; 110, mounting member; 120, hinge shaft; 130, anti-retraction member; 140, elastic member; 150, limiting groove; 160, limiting member; 200, collection and pushing structure; 210, collection box frame; 220, feed and pushing structure; 221, first linear drive module; 222, driven frame; 223, first sliding block; 224, limiting shaft; 225, second sliding block; 226, feed and pushing block; 227, telescopic member; 228, first trigger sensor; 229, first trigger member; 230 , conveying structure; 231, fixed frame; 232, rotating drive member; 233, installation gap; 234, pulley; 235, belt; 236, support block; 237, tensioning wheel; 300, blanking and pushing structure; 310, mounting frame; 320, second linear module; 330, driven block; 340, blanking and pushing block; 350, reset member; 360, second trigger sensor; 370, second trigger member; 400, flip assembly; 410, mounting seat; 420, rotating shaft; 430, rotating member; 440, accommodating groove. DETAILED DESCRIPTION

[0047] The following describes in detail embodiments of the present application. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.

[0048] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0049] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. Throughout the description of this application, "plurality" means two or more, unless otherwise specifically defined.

[0050] In this application, unless otherwise expressly specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on specific circumstances.

[0051] In this application, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0052] Example:

[0053] See Figure 5 、 Figure 6 、 Figure 7 as well as Figure 10 It can be seen that when the second linear module 320 drives the unloading push block 340 on the driven block 330 to return to the initial position, the unloading push block 340 will rotate to a certain extent so that the force acts on the object to be printed, which will drive the object to be printed inside the collection box frame 210 to retreat. The force acting on the retreating object to be printed may act on the feed pushing structure 220, causing damage to the feed pushing structure 220. Therefore, it is necessary to prevent the object to be printed from retreating to solve this problem.

[0054] It should be noted here that the items to be printed referred to in this application can be sheet or plate-like items such as certificates and books. In this embodiment, certificates are taken as an example. Here, certificates can be understood as honorary certificates, qualification certificates, household registration books, passports, ID cards, etc., but are not limited to certificates. They can also be other types of items to be printed. There is no specific limitation here. The items to be printed are explained in detail below.

[0055] The present application provides an anti-backoff device, the anti-backoff device 100 includes a mounting member 110, a backstop member 130, an elastic member 140 and a limiting structure, the anti-backoff device 100 has a mounting groove, the backstop member 130 is rotatably installed in the mounting groove, the backstop member 130 at least partially protrudes from the surface of the mounting member 110, the elastic member 140 is arranged in the mounting groove, one end of the elastic member 140 abuts against the backstop member 130, and the end of the elastic member 140 away from the backstop member 130 is arranged in the mounting groove, the limiting structure is located in the mounting groove, and the limiting structure is used to limit the rotation angle of the backstop member 130.

[0056] See Figure 1 and Figure 2 As shown, the stop member 130 rotates around the hinge shaft 120 under the drive of the elastic member 140, so that the stop member 130 at least partially protrudes from the upper surface of the mounting member 110. At this time, when the object to be printed moves backward, it will be blocked by the portion of the stop member 130 protruding from the surface of the mounting member 110, thereby preventing the object to be printed from continuing to move backward.

[0057] The limiting structure includes a limiting member 160 installed on the stop member 130, and the inner wall of the installation groove is provided with limiting grooves 150 with the same number as the stop member 130. The limiting member 160 is at least partially located in the limiting groove 150, and the stop member 130 is driven by force to drive the limiting member 160 to move in the limiting groove 150.

[0058] Continue reading Figure 2 As shown, in order to prevent the force of the object to be printed from moving backward and driving the stop member 130 to rotate and fail to play a blocking role, the rotation angle of the stop member 130 is controlled by cooperating with the limit member 160 and the limit slot 150. Specifically, by installing the limit member 160 on the stop member 130, and opening the limit slot 150 through the side wall of the mounting member 110, and making the limit member 160 at least partially located in the limit slot 150 during installation, when the stop member 130 rotates, it will drive the limit member 160 to rotate together. When it rotates to a certain angle, the limit member 160 will touch the limit slot 150, thereby preventing the limit member 160 and the stop member 130 from continuing to rotate, thereby solving the problem that the stop member 130 rotates excessively and fails to play a blocking role.

[0059] The included angle θ formed between the retaining member 130 and the horizontal plane satisfies 15°≤θ≤60°.

[0060] Continue reading Figure 2 As shown, since the limiting groove 150 cooperates with the limiting member 160 to limit the rotation angle of the stop member 130, the length or height of the limiting groove 150 determines the size of the rotation angle of the limiting member 160 and the stop member 130. In the application, the height of the limiting groove 150 can be adjusted according to actual needs to meet the need for the stop member 130 to play a blocking role.

[0061] In this embodiment, the limiting groove 150 is a waist-shaped hole. Specifically, in order to meet the rotation arc of the limiting member 160, the arc of the waist-shaped hole can be adjusted according to actual conditions. Furthermore, the maximum angle to which the stop member 130 can rotate, that is, the angle θ with the horizontal plane is between 15° and 60°. Furthermore, angles such as 15°, 30°, 45°, and 60° can be selected, but the premise of this angle is that at least part of it can protrude from the surface of the mounting member 110.

[0062] In an embodiment, the retaining member 130 is forced to rotate downward, and the retaining member 130 can be completely located in the installation groove.

[0063] The height h of the retaining member 130 protruding from the upper surface of the mounting member 110 satisfies 5 mm ≤ h ≤ 20 mm.

[0064] The height of the stop member 130 protruding from the mounting member 110 determines the blocking effect. In this embodiment, the height is between 5 mm and 20 mm. For example, h can be selected from 5 mm, 10 mm, 15 mm and 20 mm. In practice, the protruding height h can be designed according to parameters such as the size and shape of the object to be printed.

[0065] The retaining members 130 are linearly and evenly distributed in the installation slot, and there is at least one row of retaining members 130 .

[0066] See Figure 1 As shown, the stop members 130 have at least one row arranged in the installation groove of the installation member 110. When there are two or more rows, the stop members 130 in adjacent rows are staggered, and the spacing between the stop members 130 in each row can be designed according to the thickness of the object to be printed, which is not limited here.

[0067] The elastic member 140 is a compression spring, and a groove is provided on the retaining member 130 and / or the mounting groove, wherein one end of the compression spring abuts against the groove on the retaining member 130, and the other end of the compression spring abuts against the groove on the mounting groove; or, one end of the compression spring abuts against the groove on the retaining member 130, and the other end of the compression spring is fixed to the mounting groove; or, one end of the compression spring abuts against the retaining member 130, and the other end of the compression spring abuts against the groove on the mounting groove.

[0068] See Figure 2 As shown, when the elastic member 140 is a compression spring, in order to prevent the compression spring from moving, a groove (not shown in the figure) needs to be set on the retaining member 130 and / or in the mounting groove of the mounting member 110 to limit it. Specifically, the retaining member 130 has a groove on one side of the mounting groove facing the mounting member 110. Similarly, the bottom of the mounting groove has a groove facing the retaining member 130. The size and depth of the groove can be designed according to the model of the compression spring and are not limited here.

[0069] For example, when a groove is provided on the retaining member 130 , one end of the compression spring is disposed in the groove of the retaining member 130 , and the other end can be fixedly mounted in the mounting groove of the mounting member 110 .

[0070] For example, when the mounting slot of the mounting member 110 is provided with a groove, one end of the compression spring is disposed in the groove at the bottom of the mounting slot, and the other end can abut against the retaining member 130 .

[0071] For example, when grooves are formed on the retaining member 130 and the mounting slot, both ends of the compression spring are located in the grooves.

[0072] A plurality of evenly distributed hinge shafts 120 are installed in the installation groove, the retaining member 130 is installed on the hinge shaft 120 , and the elastic member 140 is a torsion spring, which is arranged on the hinge shaft 120 .

[0073] The torsion force of the torsion spring drives the retaining member 130 to at least partially protrude from the surface of the mounting member 110 to achieve a blocking function. Specifically, the shape of the mounting member 110 is adaptively adjusted according to the installation of the torsion spring.

[0074] The present application also provides a transfer and conveying device, including a collection pushing structure 200, a blanking pushing structure 300 and a flipping assembly 400. The collection pushing structure 200 is installed with an anti-backlash device 100 as described above, and the anti-backlash device 100 is unidirectional along the pushing direction of the collection pushing structure 200. The collection pushing structure 200 is used to push and load the items to be printed. The collection pushing structure 200 has a blanking port, and the blanking pushing structure 300 is located at the blanking position of the collection pushing structure 200. The blanking pushing structure 300 is used to push the items to be printed conveyed by the collection pushing structure 200 to the blanking port for unloading. The flipping assembly 400 is located at the blanking port position, and the flipping assembly 400 is used to transfer the items to be printed from the blanking pushing structure 300.

[0075] See Figure 3 As shown, the collection pushing structure 200 pushes the items to be printed inside it to the unloading position, that is, to the position of the unloading pushing structure 300, and the unloading pushing structure 300 pushes the items to be printed at this position through the collection pushing structure 200 toward the unloading port (not shown) of the flipping component 400 for unloading. After the unloading pushing structure 300 completes pushing, when it returns to its initial position, the items to be printed in the collection pushing structure 200 will move backward for a certain distance, and will not move backward due to the anti-backward device 100 blocking the items to be printed; the items to be printed passing through the unloading port will enter the flipping component 400, and the items to be printed will be flipped by the flipping component 400 and evenly transported to the conveyor line of the downstream production line.

[0076] The collection pushing structure 200 includes a collection box frame 210, a material feeding pushing structure 220 and a conveying structure 230. The collection box frame 210 defines a pushing chamber that can accommodate items to be printed. The anti-backward device 100 is located in the pushing chamber. The material feeding pushing structure 220 is installed on the collection box frame 210. The pushing end of the material feeding pushing structure 220 is located in the pushing chamber. The material feeding pushing structure 220 is used to push the items to be printed in the pushing chamber. The conveying structure 230 is located in the pushing chamber. The conveying structure 230 conveys the items to be printed located in the pushing chamber.

[0077] The feeding and pushing structure 220 includes a first linear driving module 221, a driven frame 222 is installed at the driving end of the first linear driving module 221, a first sliding block 223 is fixedly installed on the driven frame 222, a limiting shaft 224 is slidably installed in the through hole of the first sliding block 223, and the other end of the limiting shaft 224 is fixedly connected to a second sliding block 225, a feeding pushing block 226 is installed on the second sliding block 225, and a telescopic member 227 is provided on the outer surface of the limiting shaft 224, and the telescopic member 227 is located between the first sliding block 223 and the second sliding block 225, a first trigger sensor 228 is installed on the driven frame 222, and a first trigger member 229 adapted to the first trigger sensor 228 is installed on the second sliding block 225, wherein the first sliding block 223 and the second sliding block 225 are both slidably set on the guide rail.

[0078] See Figure 6 and Figure 7 As shown, the first linear drive module 221 drives the driven frame 222 connected to it to move, and then the transmission belt of the telescopic member 227 can drive the second sliding block 225 to move in the pushing direction, and make the feed pushing block 226 close to the object to be printed, so that the object to be printed is pushed to the predetermined position. As the pushing continues, the telescopic member 227 is compressed and the first trigger member 229 enters the first trigger sensor 228. At this time, it can be determined that the object to be printed is moved to the predetermined position.

[0079] For example, in this embodiment, the first linear drive module 221 uses a motor synchronous belt linear module, and the first sliding block 223 and the second sliding block 225 are both slidably installed on the guide rail on one side; the first trigger sensor 228 can be a photoelectric sensor, and the first trigger member 229 can be a shielding plate.

[0080] The conveying structure 230 includes a fixed frame 231, which has an installation gap 233. At least two pulleys 234 are installed inside the installation gap 233, and a belt 235 is provided on the pulley 234. A rotating drive member 232 is installed on the fixed frame 231, and the rotating end of the rotating drive member 232 is transmission-connected to one of the pulleys 234.

[0081] A tensioning wheel 237 is installed in the installation gap 233 , and a surface of the tensioning wheel 237 abuts against the belt 235 ; a support block 236 is installed in the installation gap 233 , and the support block 236 is used to support the belt 235 .

[0082] See Figure 4 、 Figure 8 and Figure 9As shown, in order to enable the article to be printed to reach the predetermined position smoothly, the article to be printed can be transported by the conveying structure 230. Specifically, the article to be printed is located on the belt 235, and the rotating driving member 232 drives the pulley 234 to rotate so that the belt 235 rotates, thereby driving the article to be printed located thereon to move to the predetermined position. In an embodiment, the article to be printed can be transported by the conveying structure 230 while being pushed by the feed pushing structure 220.

[0083] At least two pulleys 234 are arranged horizontally, so that the belt 235 can also be arranged horizontally to transport the printed items. In this embodiment, there are three pulleys 234, which are distributed in a triangle, one of which is connected to the rotating drive member 232 for transmission; further, the belt 235 is tensioned by the tensioning wheel 237 to prevent the belt 235 from loosening and affecting the transmission.

[0084] The blanking and pushing structure 300 includes a mounting frame 310, on which a second linear module 320 is fixedly mounted, a driven block 330 is mounted on the movable end of the second linear module 320, a blanking push block 340 is rotatably mounted on the driven block 330, a reset member 350 is arranged between the blanking push block 340 and the driven block 330, at least two second trigger sensors 360 arranged at intervals are mounted on the mounting frame 310, and a second trigger member 370 adapted to the second trigger sensor 360 is mounted on the driven block 330.

[0085] See Figure 4 、 Figure 10 and Figure 11 As shown, when it is necessary to push the material to be printed, the second linear module 320 can drive the driven block 330 to move, and then the pushing surface of the material-unloading pushing block 340 can be brought into contact with the material to be printed. As the driven block 330 and the material-unloading pushing block 340 move, the material to be printed is pushed out from the outlet of the collection box frame 210. At this time, the second trigger member 370 on one side is located at the second trigger sensor 360, thereby triggering the second trigger sensor 360 on one side, thereby judging that the driven block 330 has reached the predetermined position.

[0086] When the second linear module 320 can drive the driven block 330 and the material discharge pushing block 340 to return to the initial position, since the material discharge pushing block 340 is rotatably installed on the driven block 330, when returning to the initial position, its surface will contact the object to be printed and rotate at a certain angle, thereby giving the object to be printed a retracting force. When it returns to the initial position, the second trigger member 370 is located at the second trigger sensor 360 on the other side, thereby triggering the second trigger sensor 360 at this position. It can be judged that the initial position has been reached at this time. Since the material discharge pushing block 340 is no longer in contact with the object to be printed, the material discharge pushing block 340 is restored to its initial state under the elastic force of the reset member 350, waiting for the next push of the object to be printed.

[0087] For example, the second linear module 320 can use linear drive components such as a motor synchronous belt linear module, a motor lead screw linear module, etc. In this embodiment, the second linear module 320 uses a motor lead screw linear module; the second trigger sensor 360 can use a photoelectric sensor, and the second trigger member 370 can be a blocking plate.

[0088] The flip assembly 400 includes a mounting base 410, in which a rotating shaft 420 is rotatably mounted. The power input end of the rotating shaft 420 is connected to a rotating power source. At least one set of rotating parts 430 are installed on the outer surface of the rotating shaft 420, and a receiving groove 440 adapted to the object to be printed is formed on the rotating part 430.

[0089] See Figure 4 As shown, in order to enable the items to be printed to be evenly distributed on the downstream conveyor line (not shown in the figure), a plurality of groups of evenly distributed rotating parts 430 are set on the outer surface of the rotating shaft 420, and each rotating part 430 is provided with a receiving groove 440. The receiving groove 440 is used to carry the items to be printed from the discharge port of the collection box frame 210. After the items to be printed enter the receiving groove 440, as the rotating shaft 420 rotates, the items to be printed in the receiving groove 440 will be rotated to the downstream conveyor line, thereby evenly conveying the items to be printed to the upper conveyor line, so that the items to be printed are evenly distributed on the conveyor line, which facilitates the operation of the procedure.

[0090] In this embodiment, the power source for driving the rotating shaft 420 to rotate is a motor, and of course it can also be other rotating driving components, which is not limited here.

[0091] An embodiment of the present application further provides a printer, comprising the anti-backward device or the transfer conveying device described in any of the above embodiments.

[0092] The printer provided in this embodiment includes any of the above-mentioned anti-backward device or transfer conveying device, and therefore has all the beneficial effects of the anti-backward device or transfer conveying device described in any of the above-mentioned embodiments, which will not be described in detail here.

[0093] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. 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 any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0094] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. An anti-backward device, characterized in that: The anti-backward device (100) comprises: A mounting member (110), wherein the anti-backward device (100) has a mounting groove; a stopper (130), the stopper (130) being rotatably mounted in the mounting groove, the stopper (130) at least partially protruding from a surface of the mounting member (110); an elastic member (140), the elastic member (140) being arranged in the installation slot, one end of the elastic member (140) being in contact with the stop member (130), and one end of the elastic member (140) being away from the stop member (130) being arranged in the installation slot; A limiting structure is located in the installation slot and is used to limit the rotation angle of the retaining member (130).

2. The anti-backward device according to claim 1, characterized in that: The limiting structure comprises a limiting member (160) installed on the stop member (130); the inner wall of the installation groove is provided with limiting grooves (150) having the same number as the stop member (130); the limiting member (160) is at least partially located in the limiting grooves (150); and the stop member (130) is driven by force to move the limiting member (160) in the limiting grooves (150).

3. The anti-backoff device according to claim 2, characterized in that: The included angle θ formed between the stop member (130) and the horizontal plane satisfies 15°≤θ≤60°.

4. The anti-backward device according to claim 1, characterized in that: The height h of the retaining member (130) protruding from the upper surface of the mounting member (110) satisfies 5mm≤h≤20mm.

5. The anti-backoff device according to claim 1, characterized in that: The retaining members (130) are linearly and evenly distributed in the installation groove, and there is at least one row of the retaining members (130).

6. The anti-backoff device according to claim 1, characterized in that: The elastic member (140) is a compression spring, and a groove is provided on the stop member (130) and / or the installation groove, wherein: One end of the compression spring abuts against a groove on the retaining member (130), and the other end of the compression spring abuts against a groove on the mounting slot; Alternatively, one end of the compression spring abuts against the groove on the retaining member (130), and the other end of the compression spring is fixed to the mounting groove; Alternatively, one end of the compression spring abuts against the retaining member (130), and the other end of the compression spring abuts against the groove on the installation slot.

7. The anti-backoff device according to claim 1, characterized in that: A plurality of evenly distributed hinge shafts (120) are installed in the installation groove, the retaining member (130) is installed on the hinge shaft (120), and the elastic member (140) is a torsion spring, which is arranged on the hinge shaft (120).

8. A transfer and conveying device, characterized in that: include: A collection pushing structure (200), wherein the anti-backward device (100) according to any one of claims 1 to 7 is installed in the collection pushing structure (200), the anti-backward device (100) is unidirectional along the pushing direction of the collection pushing structure (200), the collection pushing structure (200) is used for pushing and loading articles to be printed, and the collection pushing structure (200) has a discharge port; A material unloading and pushing structure (300), the material unloading and pushing structure (300) is located at the unloading position of the collection and pushing structure (200), and the material unloading and pushing structure (300) is used to push the to-be-printed articles conveyed by the collection and pushing structure (200) to the unloading port for unloading; A turning assembly (400) is located at the material discharge port, and the turning assembly (400) is used to transfer the items to be printed from the material discharge and pushing structure (300).

9. The transfer conveying device according to claim 8, characterized in that: The collection push structure (200) includes: A collection box frame (210), the collection box frame (210) defines a pushing chamber capable of accommodating articles to be printed, and the anti-backward device (100) is located in the pushing chamber; A material feeding and pushing structure (220), the material feeding and pushing structure (220) is mounted on the collection box frame (210), a pushing end of the material feeding and pushing structure (220) is located in the pushing chamber, and the material feeding and pushing structure (220) is used to push the items to be printed in the pushing chamber; A conveying structure (230) is located in the pushing chamber, and the conveying structure (230) conveys the article to be printed located in the pushing chamber.

10. The transfer conveying device according to claim 9, characterized in that: The feeding and pushing structure (220) comprises a first linear driving module (221), a driven frame (222) is installed on the driving end of the first linear driving module (221), a first sliding block (223) is fixedly installed on the driven frame (222), a limiting shaft (224) is slidably installed in the through hole of the first sliding block (223), the other end of the limiting shaft (224) is fixedly connected to a second sliding block (225), and a feeding pushing block (226) is installed on the second sliding block (225). A telescopic member (227) is provided on the outer surface of the limit shaft (224), and the telescopic member (227) is located between the first sliding block (223) and the second sliding block (225). A first trigger sensor (228) is installed on the driven frame (222), and a first trigger member (229) adapted to the first trigger sensor (228) is installed on the second sliding block (225), wherein the first sliding block (223) and the second sliding block (225) are both slidably arranged on the guide rail.

11. A printer, characterized in that: It includes the anti-retraction device according to any one of claims 1 to 7 or the transfer and conveying device according to any one of claims 8 to 10.

Images