Printing apparatus

Abstract

The utility model provides printing equipment, and belongs to the field of printing equipment. The printing equipment comprises a base and a plurality of functional rollers, the functional rollers are detachably connected with the base, the base is provided with two sets of roller body installation positions, and the following two situations are that the product inlet and outlet directions of the printing equipment are different: the functional rollers are installed at one set of roller body installation positions in the two sets of roller body installation positions; and the plurality of functional rollers are mounted at the other group of roller body mounting positions in the two groups of roller body mounting positions. By arranging the two groups of roller body mounting positions, a plurality of functional rollers can be mounted at one of the two groups of roller body mounting positions as required in the process of using the printing equipment. And after the plurality of functional rollers are adjusted to another group of roller body mounting positions, the product feeding and discharging directions of the printing equipment are changed, so that the position of the printing equipment does not need to be adjusted when the process sequence needs to be reversed, and the production efficiency is improved.

Description

[0001] This application claims the priority of the Chinese patent applications with application numbers 202420608119.6, titled "Head Replacement Unit of a Printing Device", filed on March 26, 2024; 202420623353.6, titled "A Printing Device with Replaceable Head", filed on March 26, 2024; 202410350771.7, titled "A Printing Device with Replaceable Head and Digital Enhancement Unit", filed on March 26, 2024; and 202410350764.7, titled "Digital Enhancement Unit of a Printing Device", filed on March 26, 2024. The entire content of these applications is incorporated herein by reference. Technical Field

[0002] This application relates to the field of printing devices, and particularly to a printing device. Background Art

[0003] Printed materials are very common in daily life, such as leaflets, newspapers, product packaging, etc. These printed materials are all printed by printing factories.

[0004] The printing of printed materials includes multiple technological processes, and corresponding printing devices are set for each process respectively. The placement order of different printing devices depends on the required technological order. Each printing device has a fixed direction for feeding and discharging products. After completing the printing of a batch of products, if the technological order of the next batch of products is different, for example, the technological order is reversed, it is necessary to adjust the relative positions of the printing devices before printing the next batch of products.

[0005] Printing devices are usually large in volume and weight, making it inconvenient to adjust their positions, thus affecting the production efficiency to a certain extent. Utility Model Content

[0006] The embodiments of this application provide a printing device, which is beneficial to improving production efficiency. The technical solutions are as follows:

[0007] The embodiments of this application provide a printing device, which includes a base and multiple functional rollers. The multiple functional rollers are detachably connected to the base. The base has two sets of roller mounting positions. In the following two cases, the feeding and discharging directions of the printing device are different:

[0008] The multiple functional rollers are installed at one set of roller mounting positions among the two sets of roller mounting positions;

[0009] The multiple functional rollers are installed at the other set of roller mounting positions among the two sets of roller mounting positions.

[0010] In some examples, at least one set of roller mounting positions among the two sets of roller mounting positions includes a plurality of first roller mounting positions, at least one set of roller mounting positions among the two sets of roller mounting positions includes a plurality of second roller mounting positions, and the plurality of first roller mounting positions and the plurality of second roller mounting positions are arranged in a mirror image.

[0011] In some examples, the first roller mounting position and the second roller mounting position that is mirror-distributed therewith are distributed at the same height.

[0012] In some examples, the plurality of roller mounting positions further includes a third roller mounting position, the third roller mounting position is located on the symmetry plane of the plurality of first roller mounting positions and the plurality of second roller mounting positions, and some of the plurality of functional rollers are mounted at the third roller mounting position.

[0013] In some examples, the base includes two oppositely arranged mounting plates, the functional roller is located between the two mounting plates, and at the roller mounting position, the mounting plate has a mounting hole for mounting the functional roller.

[0014] In some examples, the mounting plate has a sliding groove, the sliding groove is located between the first roller mounting position and the second roller mounting position that are mirror images of each other, and one end of the sliding groove communicates with the mounting hole located at the first roller mounting position, and the other end of the sliding groove communicates with the mounting hole located at the second roller mounting position.

[0015] In some examples, the base further includes a first slider, the first slider is located in the sliding groove and can move along the sliding groove into the mounting hole; the functional roller is connected to the first slider.

[0016] In some examples, the outer side wall of the first slider has a groove, and the edge of the mounting plate at the sliding groove is located in the groove.

[0017] In some examples, a locking mechanism is provided on the first slider for locking the first slider at the first roller mounting position or the second roller mounting position.

[0018] In some examples, the mounting plate further has a plurality of first connection holes, the first connection holes are distributed around the mounting hole, and the locking mechanism includes a first bolt for connecting with the first connection holes.

[0019] In some examples, the bottom of the base has height-adjustable feet.

[0020] In some examples, one set of roller mounting positions among the two sets of roller mounting positions further includes a fourth roller mounting position, and the other set of roller mounting positions among the two sets of roller mounting positions further includes a fifth roller mounting position. The symmetry plane of the fourth roller mounting position and the fifth roller mounting position does not coincide with the symmetry plane of the first roller mounting position and the second roller mounting position.

[0021] In some examples, the printing device includes a base and a plurality of functional rollers. The base has a plurality of roller mounting positions, which include a plurality of first roller mounting positions and a plurality of second roller mounting positions. The plurality of first roller mounting positions and the plurality of second roller mounting positions are symmetrically distributed with respect to the same plane. At least some of the plurality of functional rollers are selectively and detachably mounted at one of the first roller mounting positions and the second roller mounting positions.

[0022] In some examples, the plurality of functional rollers at least includes a fixed traction roller disposed on the base. The printing device further includes a bracket hinged to the base, a movable traction roller disposed on the bracket through a shaft rod and tangent to the fixed traction roller during operation, and an adjusting member disposed on the base and connected to the bracket through a telescopic rod.

[0023] In some examples, the plurality of functional rollers at least includes a fixed film laminating roller disposed on the base. The printing device further includes a bracket hinged to the base, a movable film laminating roller disposed on the bracket through a shaft rod and tangent to the fixed film laminating roller during operation, and an adjusting member disposed on the base and connected to the bracket through a telescopic rod.

[0024] The beneficial effects brought by the technical solution provided by the embodiments of the present application at least include:

[0025] By providing two sets of roller mounting positions, during the use of the printing device, multiple functional rollers can be mounted at one of the two sets of roller mounting positions as needed. After adjusting the multiple functional rollers to the other set of roller mounting positions, the direction of the printing device for feeding and discharging products changes. Therefore, when it is necessary to reverse the process sequence, there is no need to adjust the position of the printing device, which is beneficial to improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] 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 use in the embodiments or the description of the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0027] Figure 1It is a schematic structural diagram of a printing system in the related art;

[0028] Figure 2 It is a schematic structural diagram of a printing device provided by an embodiment of the present application;

[0029] Figure 3 It is a schematic structural diagram of a base provided by an embodiment of the present application;

[0030] Figure 4 It is a front view of a base provided by an embodiment of the present application;

[0031] Figure 5 It is a partial schematic structural diagram of a mounting plate provided by an embodiment of the present application;

[0032] Figure 6 It is a schematic structural diagram of a first slider provided by an embodiment of the present application;

[0033] Figure 7 It is a front view of a base provided by an embodiment of the present application;

[0034] Figure 8 It is a schematic structural diagram of a printing device provided by an embodiment of the present application.

[0035] Reference numerals of the drawings:

[0036] Base: 10; Unwinding device: 01; Rewinding device: 02; Printing device: 03; Printed product: 7; Operating table: 8; Operating computer: 9; Connecting plate: 12; Machine head: 30; Functional roller: 40; First roller mounting position: 50a; Second roller mounting position: 50b; Third roller mounting position hole: 50c; Mounting plate: 111; Mounting hole: 111a; Chute: 111b; First slider: 112; Groove: 112a; First connecting hole: 111c; Second connecting hole: 112b; Bracket: 113; Functional part: 1131; Adjusting part: 1132; Slide rail: 114; Second slider: 115; Height adjusting foot: 11; Fixed traction roller: 41; Cooling roller: 42; Paper feeding roller: 43; Fixed film laminating roller: 44; Plane: M. Detailed implementation manners

[0037] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. However, those skilled in the art should clearly understand that the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details from interfering with the description of the present application.

[0038] It should also be understood that the term "and / or" used in the description of the present application specification and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0039] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0040] It should be understood that the orientation or positional relationships indicated by terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation on the present application.

[0041] In addition, in the description of the present application specification and the appended claims, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and cannot be construed as indicating or implying relative importance.

[0042] The reference to "one embodiment" or "some embodiments" etc. described in the present application specification means that specific features, structures or characteristics described in connection with the embodiment are included in one or more embodiments of the present application. Thus, statements such as "in one embodiment", "in some embodiments", "in other some embodiments", "in still other some embodiments", etc. that appear in different places in this specification do not necessarily all refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways. The terms "comprising", "including", "having" and their variants all mean "including but not limited to", unless otherwise specifically emphasized in other ways. "A plurality" means two or more.

[0043] Figure 1 is a schematic structural diagram of a printing system in the related art. As Figure 1 shown, the printing system includes an unwinding device 01, a winding device 02 and a plurality of printing devices 03, and the plurality of printing devices 03 are arranged in sequence between the unwinding device 01 and the winding device 02. The web released by the unwinding device 01 bypasses the functional rollers of the plurality of printing devices 03 in sequence. Only two functional rollers of each printing device 03 are schematically shown in the figure.

[0044] For Figure 1In the shown printing system, when printing, the unwinding device 01 unwinds the coil material, and the winding device 02 winds up the coil material. The flow direction of the coil material is from right to left. That is to say, the direction of the incoming and outgoing products of this printing system is from right to left, and the direction of the incoming and outgoing products of each printing device 03 therein is from right to left. When printing another printed matter, if it is necessary to reverse the process sequence, it is necessary to completely change the placement sequence of multiple printing devices 03 in the middle. The equipment adjustment is inconvenient and the workload is large, which has a greater impact on production efficiency.

[0045] Figure 2 It is a schematic structural diagram of a printing device provided by an embodiment of the present application. This printing device can be a device for performing printing processes, or a post-processing device for processing products after printing processes. This post-processing device can be, but is not limited to, a device for performing glazing processes, die-cutting processes, laminating processes, cold stamping processes, hot stamping processes, and slitting processes.

[0046] As shown in Figure 2 the figure, this printing device includes a base 10 and multiple functional rollers 40, and the multiple functional rollers 40 are detachably connected to the base 10. The base 10 has two sets of roller mounting positions. In the following two cases, the direction of the incoming and outgoing products of the printing device is opposite:

[0047] The multiple functional rollers 40 are installed at one set of roller mounting positions among the two sets of roller mounting positions;

[0048] The multiple functional rollers 40 are installed at the other set of roller mounting positions among the two sets of roller mounting positions.

[0049] In the related art, since the installation position of the functional roller on the base is unique, the direction of the incoming and outgoing products is also fixed. In the embodiment of the present application, by setting two sets of roller mounting positions, during the use of the printing device, the multiple functional rollers 40 can be installed at one of the two sets of roller mounting positions according to needs. After adjusting the multiple functional rollers 40 to the other set of roller mounting positions, the direction of the incoming and outgoing products of the printing device changes, so that when it is necessary to reverse the process sequence, there is no need to adjust the position of the printing device, which is beneficial to improving production efficiency.

[0050] As an example, one set of roller mounting positions among the two sets of roller mounting positions includes at least multiple first roller mounting positions 50a, and one set of roller mounting positions among the two sets of roller mounting positions includes at least multiple second roller mounting positions 50b. The multiple first roller mounting positions 50a and the multiple second roller mounting positions 50b are arranged in a mirror image.

[0051] By arranging the first roller mounting positions 50a and the second roller mounting positions 50b in a mirror image manner, after adjusting the installation position of the functional roller 40, the direction of the incoming and outgoing products only changes in a mirror image, which is beneficial to ensuring the accuracy of the process.

[0052] Exemplarily, the printing device includes a base 10 and a plurality of functional rollers 40. The base 10 has a plurality of roller mounting positions, which include a plurality of first roller mounting positions 50a and a plurality of second roller mounting positions 50b. The plurality of first roller mounting positions 50a and the plurality of second roller mounting positions 50b are symmetrically distributed with respect to the same plane M. At least a part of the plurality of functional rollers 40 is selectively and detachably mounted at one of the first roller mounting positions 50a and the second roller mounting positions 50b.

[0053] The top of the base 10 is used to carry the printing head 30. Exemplarily, the printing head 30 can be a flexographic printing head, a die-cutting machine head, etc. For printing devices with different processes, the printing heads are different.

[0054] The printing device further includes an adapter plate 12 provided on the base 10 for connecting to other printing devices. The adapter plate 12 is provided on the base 10 to facilitate connection to other printing devices, enabling a plurality of printing devices to be connected as a whole.

[0055] By providing a plurality of functional rollers 40 in the base 10, where the plurality of roller mounting positions of the base 10 include a plurality of first roller mounting positions 50a and a plurality of second roller mounting positions 50b, and at least a part of the plurality of functional rollers 40 is selectively and detachably mounted at one of the first roller mounting positions 50a and the second roller mounting positions 50b, the functional roller 40 can be mounted at the first roller mounting position 50a or the second roller mounting position 50b as needed. Since the plurality of first roller mounting positions 50a and the plurality of second roller mounting positions 50b are symmetrically distributed with respect to the same plane M, the direction of the incoming and outgoing products of the printing device can be changed by swapping the positions of the functional rollers 40, that is, mounting the functional roller 40 mounted at the first roller mounting position 50a to the symmetric second roller mounting position 50b, and mounting the functional roller 40 mounted at the second roller mounting position 50b to the symmetric first roller mounting position 50a. Thus, when it is necessary to reverse the process sequence, there is no need to adjust the position of the printing device, which is beneficial to improving production efficiency.

[0056] As Figure 2 shown, the first roller mounting position 50a and the second roller mounting position 50b that is mirror - image distributed therewith are at the same height.

[0057] Arranging the mutually mirror - image first roller mounting position 50a and second roller mounting position 50b at the same height, such that the first roller mounting position 50a and the second roller mounting position 50b are mirror - image distributed, after adjusting the mounting position of the functional roller 40, the height of the functional roller 40 will not change, and only the mirror - image of the direction of the incoming and outgoing products of the printing device will change. For example, the direction of the incoming and outgoing products changes from right - to - left to left - to - right, which is beneficial for arranging the products between adjacent printing devices.

[0058] As Figure 2 shown, the multiple roller mounting positions further include a third roller mounting position 50c. The third roller mounting position 50c is located on the symmetry plane of the multiple first roller mounting positions 50a and the multiple second roller mounting positions 50b. Some of the multiple functional rollers 40 are mounted on the third roller mounting position 50c.

[0059] Since the third roller mounting position 50c is located on the symmetry plane of the multiple first roller mounting positions 50a and the multiple second roller mounting positions 50b, during the process of changing the direction of the incoming and outgoing products of the printing device, the functional roller 40 mounted on the third roller mounting position 50c does not need to adjust its position, which can reduce the workload when adjusting the printing device.

[0060] The printing device usually has multiple functional rollers 40 with different functions. For example, a laminating roller for providing pressure to press different films together, a cooling roller for cooling the film, and a traction roller for providing traction. The positions where different functional rollers 40 are arranged may be different.

[0061] In some examples, the cooling roller can be mounted on the third roller mounting position 50c.

[0062] Since the structure of the cooling roller is relatively complex, and in order to better cool the film, the size of the cooling roller is usually relatively large, so the disassembly and assembly of the cooling roller are more troublesome than those of other functional rollers 40. Mounting the cooling roller on the third roller mounting position 50c can avoid disassembling and assembling the cooling roller and reduce the workload of adjusting the direction of the incoming and outgoing products.

[0063] The first roller mounting positions 50a and the second roller mounting positions 50b are arranged in a one-to-one correspondence. In some examples, in a part of the first roller mounting positions 50a and the corresponding second roller mounting positions 50b, only one of them may be mounted with a functional roller 40. For this part of the first roller mounting positions 50a and the corresponding second roller mounting positions 50b, when it is necessary to adjust the direction of the incoming and outgoing products, the functional roller 40 can be adjusted from the first roller mounting position 50a to the second roller mounting position 50b, or from the second roller mounting position 50b to the second roller mounting position 50b. In another part of the first roller mounting positions 50a and the corresponding second roller mounting positions 50b, both may be mounted with functional rollers 40. For this part of the first roller mounting positions 50a and the corresponding second roller mounting positions 50b, when it is necessary to adjust the direction of the incoming and outgoing products, the functional roller 40 located at the first roller mounting position 50a and the functional roller 40 located at the second roller mounting position 50b can be interchanged.

[0064] In the embodiments of the present application, the roller mounting position refers to the area on the base 10 for arranging the functional roller 40. In order to mount the functional roller 40, a mounting structure, such as a hole structure, may be provided at the roller mounting position.

[0065] Figure 3 is a schematic structural view of a base provided by an embodiment of the present application, as Figure 3 shown, the base 10 includes two relatively arranged mounting plates 111, and the functional roller 40 is located between the two mounting plates 111.

[0066] Figure 4 is a front view of a base provided by an embodiment of the present application. As Figure 4 shown, at the roller mounting position, the mounting plate 111 has a mounting hole 111a for mounting the functional roller 40.

[0067] The two mounting plates 111 are used to provide support for both ends of the functional roller 40. Using the mounting hole 111a to mount the functional roller 40 not only has a simple structure but also is convenient in design, and the position arrangement is relatively flexible.

[0068] Figure 5 is a partial schematic structural view of a mounting plate provided by an embodiment of the present application. As an example, as Figure 5 shown, the mounting plate 111 has a chute 111b located between the first roller mounting position 50a and the second roller mounting position 50b which are mirror images of each other. One end of the chute 111b is communicated with the mounting hole 111a located at the first roller mounting position 50a, and the other end of the chute 111b is communicated with the mounting hole 111a located at the second roller mounting position 50b.

[0069] By connecting the mirror-image mounting holes 111a through the chute 111b, when adjusting the position of the functional roller 40, the functional roller 40 can be directly slid from the first roller mounting position 50a to the second roller mounting position 50b, or from the second roller mounting position 50b to the first roller mounting position 50a, making the adjustment of the functional roller 40 more convenient.

[0070] In some examples, the base 10 further includes a first slider 112 located in the chute 111b. The first slider 112 can move along the chute 111b into the mounting hole 111a. The functional roller 40 is connected to the first slider 112.

[0071] By providing the first slider 112 to support the functional roller 40, it can be avoided that the functional roller 40 directly contacts the mounting plate 111, so that the functional roller 40 is worn during the process of adjusting the position.

[0072] In addition, setting the first slider 112 is also beneficial to improving the running stability of the functional roller 40. For example, after the first slider 112 is set, the first slider 112 can also act as a bearing seat, facilitating the installation of bearings to support the functional roller 40.

[0073] Figure 6 It is a schematic structural diagram of a first slider provided by an embodiment of the present application. As Figure 6 shown, the outer sidewall of the first slider 112 has a groove 112a, and the edge of the mounting plate 111 at the chute 111b is located in the groove 112a.

[0074] The first slider 112 is embedded in the chute 111b, and a part of the mounting plate 111 is located in the groove 112a, forming a fit with the groove 112a. During the movement of the first slider 112 along the chute 111b, it can provide guidance, making the movement of the first slider 112 smoother and also preventing the first slider 112 from disengaging from the chute 111b.

[0075] The groove 112a can be connected end to end, that is, the groove 112a extends a full circle around the circumference of the first slider 112, so that when the first slider 112 moves to the mounting hole 111a, the hole wall of the mounting hole 111a is located in the groove 112a.

[0076] In some examples, a locking mechanism is provided on the first slider 112. The locking mechanism is used to lock the first slider 112 at the first roller mounting position 50a or the second roller mounting position 50b.

[0077] When adjusting the position of the functional roller 40, after moving the first slider 112 to the first roller mounting position 50a or the second roller mounting position 50b, the first slider 112 is locked by the locking mechanism to avoid displacement of the first slider 112 and the functional roller 40 during the operation of the printing device, which may affect the operation of the printing device.

[0078] As an example, the mounting plate 111 also has a plurality of first connection holes 111c, and the first connection holes 111c are distributed around the mounting hole 111a. The locking mechanism includes a first bolt, and the first bolt is used to connect with the first connection holes 111c.

[0079] As Figure 6 shown, the first slider 112 can have a plurality of second connection holes 112b, and the second connection holes 112b penetrate through two opposite sidewalls of the groove 112a. After the first slider 112 moves to the mounting hole 111a, the second connection holes 112b are aligned with the first connection holes 111c, and the first bolt is inserted into the first connection holes 111c and the second connection holes 112b, thereby locking the first slider 112.

[0080] In some other examples, the side wall of the first slider 112 may have a plurality of bumps, and the bumps have third connection holes, that is to say, the third connection holes are located outside the groove 112a. After the first slider 112 moves to the mounting hole 111a, the third connection hole is aligned with the first connection hole 111c, and a first bolt is inserted into the first connection hole 111c and the third connection hole, thereby locking the first slider 112.

[0081] As Figure 4 shown, the bottom of the base 10 has height adjusting feet 11. The height adjusting feet 11 are used to adjust the placement height of the printing device so that the adjacent printing devices have matching heights.

[0082] There may be a plurality of height adjusting feet 11. By changing the heights of different height adjusting feet 11, the levelness of the printing device can be adjusted to make the functional roller 40 level.

[0083] Figure 7 is the front view of a base provided by an embodiment of the present application. As Figure 7 shown, a bracket 113 may further be provided on the mounting plate 111, and the bracket 113 is detachably connected to the mounting plate 111. A functional member 1131 is mounted on the bracket 113.

[0084] In some examples, the functional member 1131 may include a roller body, for example, an extrusion roller that cooperates with the adjacent functional roller 40 to extrude the product; in some other examples, the functional member 1131 may include a curing device, and the curing device is used to process the product sprayed with glue to cure the glue. The functional member 1131 can be configured according to the specific printing device and the functions to be achieved.

[0085] As an example, the plurality of functional rollers 40 at least include a fixed traction roller 41 provided on the base 10. The printing device includes a bracket 113 hinged to the base 10 and an adjusting member 1132 provided on the base 10 for adjusting the bracket 113. Exemplarily, the adjusting member may be a traction cylinder connecting the bracket 113 with a telescopic rod. The functional member 1131 may be a movable traction roller, and the movable traction roller is arranged on the bracket 113 through a shaft rod and is tangent to the fixed traction roller 41 during operation.

[0086] The structure on the mounting plate 111 for connecting with the bracket 113 may also be symmetrically arranged about the plane M, so that the position of the bracket 113 can be adjusted mirror-symmetrically when adjusting the direction of the incoming and outgoing products.

[0087] As Figure 7As shown in the figure, a slide rail 114 can also be installed on the mounting plate 111. A second slider 115 is slidably connected to the slide rail 114. A locking member is provided between the second slider 115 and the slide rail 114. For example, the locking member can be a screw. By turning the screw, the screw abuts against the slide rail 114, and the second slider 115 is locked relative to the slide rail 114. When it is necessary to adjust the position of the second slider 115 on the slide rail 114, the screw can be loosened. A functional roller 40 is installed on the second slider 115. As Figure 7 shown, two functional rollers 40 can be installed on the second slider 115.

[0088] As an example, the slide rail 114 is symmetrically arranged with respect to the plane M.

[0089] In some other possible implementation manners, one set of roller mounting positions among the two sets of roller mounting positions may further include a fourth roller mounting position, and the other set of roller mounting positions among the two sets of roller mounting positions may further include a fifth roller mounting position. The symmetry plane of the fourth roller mounting position and the fifth roller mounting position does not coincide with the symmetry plane of the first roller mounting position 50a and the second roller mounting position 50b. That is to say, the fourth roller mounting position and the fifth roller mounting position may not be symmetric with respect to the plane M. For some of the functional rollers 40, their functions can be realized even if there are certain deviations in the mounting positions on the base 10. In addition, when there are restrictions on the mirror arrangement of the roller mounting positions, the roller mounting positions can also be deviated from the mirror positions by a certain distance.

[0090] Figure 8 is a schematic structural diagram of a printing device provided by an embodiment of the present application. As Figure 8 shown, in this example, a machine head 30 is provided on the base 10, and the machine head 30 is an inkjet head. An operating table 8 is also provided on the base 10, and an operating computer 9 for controlling the printing device is provided on the operating table 8.

[0091] The multiple functional rollers 40 may include a fixed traction roller 41, a cooling roller 42, multiple paper feeding rollers 43, and a fixed film laminating roller 44, where the cooling roller 42 may be a water-cooled roller. The paper feeding rollers 43 are used to define the paper feeding direction of the printed product 7 and ensure that the printed product 7 has sufficient paper feeding space.

[0092] The printing device includes a traction assembly and a film laminating assembly. As Figure 8 shown, two brackets 113 are provided on the base 10. One of the brackets 113 is arranged close to the fixed traction roller 41, and the other bracket 113 is arranged close to the fixed film laminating roller 44.

[0093] The functional member 1131 provided on the bracket 113 arranged close to the fixed traction roller 41 is a movable traction roller; the functional member 1131 provided on the bracket 113 arranged close to the fixed film laminating roller 44 is a movable film laminating roller.

[0094] The traction assembly includes a fixed traction roller 41 and a movable traction roller, and the film laminating assembly includes a fixed film laminating roller 44 and a movable film laminating roller.

[0095] As Figure 8 shown, the printing device further includes a pre-curing device 61 and a final curing device 62, wherein the pre-curing device 61 is arranged adjacent to the fixed film laminating roller 44, and the final curing device 62 is arranged adjacent to the cooling roller 42.

[0096] That is, the printing device includes a base 10, an inkjet head arranged on the base 10, a traction assembly arranged on the base 10, a film laminating assembly arranged on the base 10, a pre-curing device 61 arranged on the base 10, and a final curing device 62 arranged on the base 10.

[0097] During operation, the printed product 7 is introduced into the printing device through the traction assembly, sprayed by the inkjet head. After spraying, the printed product 7 is pre-cured by the pre-curing device 61. After pre-curing, it is film laminated by the film laminating assembly. After film lamination, it is finally cured by the final curing device 62. After completion, the printed product 7 is exported. The pre-curing device 61 and the final curing device 62 can be curing devices used in related technologies for printing devices as long as they can achieve their functions.

[0098] The cooling roller 42 is located above the final curing device 62. During operation, after the printed product 7 is film laminated, it passes through the cooling roller 42 and the final curing device 62 simultaneously for temperature reduction and final curing. The cooling roller 42 is used for some special materials. For example, materials such as heat shrinkable films that are intolerant to high temperatures require the use of the cooling roller 42 for temperature reduction, while if it is paper or heat-resistant film materials, the cooling roller 42 may not be needed. Therefore, the cooling roller 42 can be selectively installed according to different needs.

[0099] The inkjet head includes at least one inkjet cartridge (not shown in the figure) arranged on the base 10, and nozzles arranged on the inkjet cartridge, connecting the inkjet cartridge, with the nozzles facing the printed product 7 and the same number as the inkjet cartridges. Different materials such as glue, ink, varnish, etc. are placed in the inkjet head through the inkjet cartridges. Corresponding nozzles are provided at the bottom of the inkjet cartridges. The specific number of inkjet cartridges is installed in different quantities according to different requirements. These nozzles are all controlled by an operation computer 9. When in use, the operation computer 9 controls different nozzles to work according to different printing requirements to achieve the required printing requirements. The inkjet head can be an inkjet head in related technologies as long as it can achieve the required functions.

[0100] The traction assembly includes a fixed traction roller 41 disposed on the base 10, a bracket 113 hinged to the base 10, a movable traction roller disposed on the bracket 113 through a shaft rod and tangent to the fixed traction roller 41 during operation, and an adjusting member 1132 disposed on the base 10 and connected to the bracket 113 by a telescopic rod, which is a traction cylinder here. The traction assembly is responsible for pulling the printed product 7 into the printing equipment. By controlling the pulling force of the movable traction roller through the traction cylinder, the traction assembly can be used for pulling various printed products 7, and the printed product 7 will not be damaged or the pulling force will not be insufficient due to too large or too small pulling force.

[0101] The film laminating assembly includes a fixed film laminating roller 44 disposed on the base 10, a bracket 113 hinged to the base 10, a movable film laminating roller disposed on the bracket 113 through a shaft rod and tangent to the fixed film laminating roller 44 during operation, and an adjusting member 1132 disposed on the base 10 and connected to the bracket 113 by a telescopic rod, such as a film laminating cylinder. The film laminating assembly controls whether to perform film lamination through the film laminating cylinder. When film lamination is not required, the film laminating cylinder controls the movable film laminating roller not to work. Moreover, the film laminating assembly can also control the film laminating force through the film laminating cylinder, so that the film laminating assembly can perform film lamination work with different requirements.

[0102] Exemplarily, both the traction cylinder and the film laminating cylinder can be gas-driven telescopic cylinders. In some examples, the adjusting member 1132 can also be an electric telescopic rod.

[0103] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them; although the present application 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 recorded 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 application, and should all be included in the protection scope of the present application.

Claims

1. A printing device, characterized in that, It includes a base (10) and a plurality of functional rollers (40). The plurality of functional rollers (40) are detachably connected to the base (10). The base (10) has two sets of roller mounting positions. In the following two cases, the in-out product direction of the printing equipment is different: The plurality of functional rollers (40) are installed at one set of roller mounting positions among the two sets of roller mounting positions; The plurality of functional rollers (40) are installed at the other set of roller mounting positions among the two sets of roller mounting positions.

2. The printing device according to claim 1, characterized in that, One set of roller mounting positions among the two sets of roller mounting positions includes at least a plurality of first roller mounting positions (50a), and the other set of roller mounting positions among the two sets of roller mounting positions includes at least a plurality of second roller mounting positions (50b). The plurality of first roller mounting positions (50a) and the plurality of second roller mounting positions (50b) are arranged in a mirror image.

3. The printing device according to claim 2, characterized in that, The first roller mounting position (50a) and the second roller mounting position (50b) that is mirror-distributed therewith are at the same height.

4. The printing device according to claim 2, characterized in that, The plurality of roller mounting positions further include a third roller mounting position (50c). The third roller mounting position (50c) is located on the symmetry plane of the plurality of first roller mounting positions (50a) and the plurality of second roller mounting positions (50b). Some of the plurality of functional rollers (40) are installed at the third roller mounting position (50c).

5. The printing device according to claim 2, wherein The base (10) includes two oppositely arranged mounting plates (111). The functional roller (40) is located between the two mounting plates (111). At the roller mounting position, the mounting plate (111) has a mounting hole (111a) for mounting the functional roller (40).

6. The printing device according to claim 5, characterized in that, The mounting plate (111) has a chute (111b). The chute (111b) is located between the first roller mounting position (50a) and the second roller mounting position (50b) that are mirror images of each other. One end of the chute (111b) communicates with the mounting hole (111a) at the first roller mounting position (50a), and the other end of the chute (111b) communicates with the mounting hole (111a) at the second roller mounting position (50b).

7. The printing device according to claim 6, wherein The base (10) further includes a first slider (112). The first slider (112) is located in the chute (111b) and can move along the chute (111b) into the mounting hole (111a). The functional roller (40) is connected to the first slider (112).

8. The printing device according to claim 7, characterized in that, The outer side wall of the first slider (112) has a groove (112a). The edge of the mounting plate (111) at the chute (111b) is located in the groove (112a).

9. The printing device according to claim 7, characterized in that, A locking mechanism is provided on the first slider (112) for locking the first slider (112) at the first roller mounting position (50a) or the second roller mounting position (50b).

10. The printing device according to claim 9, characterized in that, The mounting plate (111) further has a plurality of first connection holes (111c) distributed around the mounting hole (111a). The locking mechanism includes a first bolt for connecting to the first connection holes (111c).

11. The printing device according to claim 2, characterized in that, One of the two sets of roller mounting positions further includes a fourth roller mounting position, and the other of the two sets of roller mounting positions further includes a fifth roller mounting position. The symmetry plane of the fourth roller mounting position and the fifth roller mounting position does not coincide with the symmetry plane of the first roller mounting position (50a) and the second roller mounting position (50b).

12. The printing device according to claim 1, characterized in that, The plurality of functional rollers (40) at least includes a fixed traction roller (41) disposed on the base (10). The printing device further includes a bracket (113) hinged to the base (10), a movable traction roller disposed on the bracket (113) through a shaft rod and tangent to the fixed traction roller (41) during operation, and an adjusting member (1132) disposed on the base (10) and connected to the bracket (113) through a telescopic rod.

13. The printing device according to claim 1, characterized in that, The plurality of functional rollers (40) at least includes a fixed film laminating roller (44) disposed on the base (10). The printing device further includes a bracket (113) hinged to the base (10), a movable film laminating roller disposed on the bracket (113) through a shaft rod and tangent to the fixed film laminating roller (44) during operation, and an adjusting member (1132) disposed on the base (10) and connected to the bracket (113) through a telescopic rod.

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