Composite module and die cutting equipment

Abstract

The utility model discloses a composite module and die cutting equipment. The composite module comprises a first mounting seat, a first composite roller, a mounting frame and a second composite roller, the first composite roller is arranged on the first mounting seat; the mounting frame is rotatably arranged on the first mounting seat around a preset axis; a certain angle is formed between the extension direction of the preset axis and the extension direction of the first composite roller; the second composite roller is arranged on the mounting frame and can be driven by the mounting frame to rotate to a working position or driven by the mounting frame to rotate to be separated from the working position; when the second composite roller is located at the working position, the second composite roller is coplanar with the first composite roller and is parallel to the first composite roller; when the second composite roller is separated from the working position, the second composite roller and the first composite roller are in different planes. According to the utility model, the membrane material can more conveniently pass through the gap between the first composite roller and the second composite roller, so that the operation difficulty of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of die cutting, in particular to a composite die set and die cutting equipment. Background Art

[0002] During the die-cutting production process, a compounding module is often installed in the die-cutting equipment to laminate multiple film materials together. In the related art, the compounding module includes a first compounding roller and a second compounding roller arranged in parallel. Before the compounding module works, the staff needs to manually pass the various film materials to be laminated between the first compounding roller and the second compounding roller. Due to the limited space in the die-cutting equipment and the small gap between the first compounding roller and the second compounding roller, the staff is relatively inconvenient when inserting the various film materials to be laminated into the gap between the first compounding roller and the second compounding roller. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a composite module in a first aspect, which allows workers to more conveniently pass each film material to be composited through the gap between a first composite roller and a second composite roller.

[0004] The second aspect of the present invention further provides a die-cutting device.

[0005] According to a first embodiment of the present invention, a composite module comprises a first mounting seat, a first composite roller, a mounting frame and a second composite roller; the first composite roller is arranged on the first mounting seat; the mounting frame is rotatably arranged on the first mounting seat around a preset axis; the extension direction of the preset axis is spaced apart by a certain angle from the extension direction of the first composite roller; the second composite roller is arranged on the mounting frame, and can be rotated to a working position under the drive of the mounting frame, or rotated out of the working position under the drive of the mounting frame; wherein, when the second composite roller is in the working position, the second composite roller is coplanar with the first composite roller and parallel to the first composite roller, and can cooperate with the first composite roller to composite the film material; when the second composite roller is out of the working position, the second composite roller is out of plane with the first composite roller, so as to facilitate the film material to be passed between the second composite roller and the first composite roller.

[0006] A composite module according to an embodiment of the present invention has at least the following technical effects:

[0007] In the composite module of the present application, since the mounting frame is rotatably mounted on the first mounting seat about a preset axis, the first composite roller is mounted on the first mounting seat, and the second composite roller is mounted on the mounting frame, before the composite module composites the film material, the staff rotates the mounting frame about the preset axis to disengage the second composite roller from the working position. At this time, the second composite roller is out of plane with the first composite roller, and the gap between the first composite roller and the second composite roller is increased. The staff can pass the various film materials to be composited through the gap between the first composite roller and the second composite roller along the width direction of the film material movement path from one side of the axis of the first composite roller. Then, the staff rotates the mounting frame about the preset axis to bring the second composite roller into the working position. At this time, the second composite roller is parallel to and coplanar with the first composite roller. When the composite module of the present application is in operation, the staff can rotate the mounting frame about the preset axis, thereby increasing the gap between the first composite roller and the second composite roller, thereby making it easier for the film material to pass through the gap between the first composite roller and the second composite roller, and reducing the difficulty of the staff's operation.

[0008] According to a composite module of the first aspect of the present invention, the composite module also includes a second mounting seat, one end of the first composite roller is arranged on the first mounting seat, the second mounting seat is arranged on the mounting frame, and when the mounting frame carries the second composite roller to rotate to the working position, the second mounting seat can be connected to the end of the first composite roller away from the first mounting seat to lock the second composite roller in the working position.

[0009] According to a composite module of an embodiment of the first aspect of the present invention, the second mounting seat is slidably provided on the mounting frame along the axial direction of the second composite roller, and a receiving groove is provided on the side of the second mounting seat facing the first mounting seat, and the second mounting seat can be sleeved on the end of the first composite roller away from the first mounting seat through the receiving groove.

[0010] According to a composite module of an embodiment of the first aspect of the present invention, the mounting frame includes a connecting rod, a screw rod and a rotating rod. The rotating rod can be rotatably arranged on the first mounting seat around a preset axis. The connecting rod and the screw rod are both arranged on the rotating rod and are both arranged parallel to the second composite roller. The second mounting seat can be slidably sleeved on the connecting rod. A threaded abutment is provided on the threaded sleeve of the screw rod, and the threaded abutment abuts against the end face of the second mounting seat facing away from the first mounting seat.

[0011] According to a composite module of an embodiment of the first aspect of the present invention, the mounting frame further includes two connecting structures, which are distributed on the connecting rod along the axial direction of the connecting rod, and the opposite ends of the second composite roller are respectively connected to the two connecting structures.

[0012] According to a composite module of the first aspect of the present invention, the connecting structure is connected to the connecting rod through a threaded connection; the mounting frame also includes two groups of abutment groups, which are arranged one-to-one corresponding to the connecting structure, and the abutment group includes two abutments, which are threadedly connected to the screw rod, and the two abutments of the same abutment group are respectively abutted against the two opposite end faces of the corresponding connecting structure.

[0013] According to a composite module of the first aspect of the present invention, the connecting structure includes a slider, a mounting block and an elastic member, the mounting block is connected to the connecting rod, the slider is connected to the second composite roller, and the opposite ends of the elastic member are respectively connected to the slider and the mounting block, and the elastic member is used to provide elastic force so that the slider drives the second composite roller close to the first composite roller.

[0014] According to a composite module of an embodiment of the first aspect of the present invention, the second composite roller includes a roller core, a roller sleeve and a handle. The roller sleeve is rotatably mounted on the roller core. An eccentric structure is provided at the end of the roller core. The roller core is rotatably connected to the slider through the eccentric structure. The handle is connected to the roller core. Under the action of external force, the handle can drive the roller core to rotate relative to the slider.

[0015] According to a composite module of an embodiment of the first aspect of the present invention, the first mounting seat includes a locking block and a connecting block, the mounting frame is rotatably provided on the connecting block around a preset axis, the locking block and the connecting block are detachably connected, an insertion hole is formed between the locking block and the connecting block, and one end of the first composite roller is inserted into the insertion hole.

[0016] A die-cutting device according to an embodiment of the second aspect of the present invention includes a composite die set according to the embodiment of the first aspect.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of a composite module according to one embodiment of the present invention;

[0020] Figure 2 for Figure 1 A schematic structural diagram of the composite module after removing the first composite roller;

[0021] Figure 3 for Figure 1 Schematic diagram of the connection structure of the second composite roller and the connection structure.

[0022] Reference numerals:

[0023] First mounting seat 100, insertion hole 100a, locking block 110, connecting block 120;

[0024] First composite roller 200;

[0025] The mounting frame 300, the preset axis 300a, the connecting rod 310, the screw rod 320, the threaded abutment 321, the rotating rod 330, the connecting structure 340, the slider 341, the mounting block 342, the sliding groove 342a, the elastic member 343, and the abutment 350;

[0026] The second composite roller 400, roller core 410, eccentric structure 410a, roller sleeve 420, and handle 430;

[0027] The second mounting seat 500 , the receiving groove 500 a , the fixing block 510 , and the mounting plate 520 . DETAILED DESCRIPTION

[0028] The following describes in detail embodiments of the present invention. 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 intended only to explain the present invention and are not to be construed as limiting the present invention.

[0029] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, left, right, front, back, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention 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. Therefore, they cannot be understood as limitations on the present invention.

[0030] In the description of this utility model, if there is a description of first and second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0032] Reference below Figures 1 to 3 A composite module according to an embodiment of the first aspect of the present invention is described in detail.

[0033] refer to Figure 1According to an embodiment of the first aspect of the present invention, a composite module comprises a first mounting seat 100, a first composite roller 200, a mounting frame 300 and a second composite roller 400; the first composite roller 200 is arranged on the first mounting seat 100; the mounting frame 300 is rotatably arranged on the first mounting seat 100 around a preset axis 300a; the extension direction of the preset axis 300a is spaced at a certain angle from the extension direction of the first composite roller 200; the second composite roller 400 is arranged on the mounting frame 300 and can be mounted on the mounting frame 300. 00 is driven to the working position, or is driven by the mounting frame 300 to rotate out of the working position; wherein, when the second composite roller 400 is in the working position, the second composite roller 400 is coplanar with the first composite roller 200 and parallel to the first composite roller 200, and can cooperate with the first composite roller 200 to composite the film material; when the second composite roller 400 is out of the working position, the second composite roller 400 is out of the plane with the first composite roller 200, so as to facilitate the film material to be passed between the second composite roller 400 and the first composite roller 200.

[0034] It should be noted that when the composite module is used in the die-cutting equipment, the second composite roller 400 is coplanar with and parallel to the first composite roller 200, and can cooperate with the first composite roller 200 to composite the film material. In this case, before the composite module composites the film material, the staff needs to pass the various film materials to be composited into the gap between the first composite roller 200 and the second composite roller 400 along the extension direction of the film material moving path. Due to the limited space in the die-cutting equipment, the gap between the first composite roller 200 and the second composite roller 400 is small, and the operation is more inconvenient.

[0035] In the composite module of the present application, since the mounting frame 300 is rotatably arranged on the first mounting seat 100 around a preset axis 300a, the first composite roller 200 is arranged on the first mounting seat 100, and the second composite roller 400 is arranged on the mounting frame 300, before the composite module composites the film material, the staff rotates the mounting frame 300 around the preset axis 300a to disengage the second composite roller 400 from the working position. At this time, the second composite roller 400 is not in the same plane as the first composite roller 200, and the gap between the first composite roller 200 and the second composite roller 400 is increased. The staff can pass the various film materials to be composited from one side of the axial direction of the first composite roller 200 along the width direction of the film material moving path through the gap between the first composite roller 200 and the second composite roller 400. Then, the staff rotates the mounting frame 300 around the preset axis 300a to put the second composite roller 400 in the working position. At this time, the second composite roller 400 is parallel and coplanar with the first composite roller 200.

[0036] It can be understood that when the composite module of the present application is working, the staff can rotate the mounting frame 300 around the preset axis 300a to increase the gap between the first composite roller 200 and the second composite roller 400, so that the film material can more conveniently pass through the gap between the first composite roller 200 and the second composite roller 400, reducing the difficulty of operation for the staff.

[0037] refer to Figure 1 In some embodiments of the present invention, the composite module further includes a second mounting seat 500. One end of the first composite roller 200 is disposed on the first mounting seat 100. The second mounting seat 500 is disposed on the mounting frame 300. When the mounting frame 300 carries the second composite roller 400 and rotates to the working position, the second mounting seat 500 can be connected to the end of the first composite roller 200 away from the first mounting seat 100 to lock the second composite roller 400 in the working position. It is understandable that the staff rotates the mounting frame 300 to drive the second composite roller 400 to rotate to the working position, and then connects the second mounting seat 500 to the end of the first composite roller 200 away from the first mounting seat 100 to lock the second composite roller 400 in the working position, thereby preventing the second composite roller 400 from leaving the working position when the individual film materials are composited.

[0038] In some of these embodiments, reference Figure 1 The second mounting seat 500 is slidably arranged on the mounting frame 300 along the axial direction of the second composite roller 400. The second mounting seat 500 is provided with a receiving groove 500a on the side facing the first mounting seat 100, and the second mounting seat 500 can be sleeved on the end of the first composite roller 200 away from the first mounting seat 100 through the receiving groove 500a.

[0039] It can be understood that by rotating the mounting frame 300 to drive the second composite roller 400 to rotate, when the second composite roller 400 rotates to the working position, there is a certain distance between the second mounting seat 500 and the end of the first composite roller 200 away from the first mounting seat 100. The staff then slides the second mounting seat 500 along the axial direction of the second composite roller 400 so that the end of the first composite roller 200 away from the first mounting seat 100 is inserted into the accommodating groove 500a of the second mounting seat 500, thereby fixing the second composite roller 400 on the mounting frame 300 in the working position.

[0040] like Figure 1 and Figure 2As shown, in a further embodiment of the present invention, the second mounting seat 500 includes a fixed block 510 and a mounting plate 520. The mounting plate 520 is slidably provided on the mounting frame 300 along the axial direction of the second composite roller 400. The fixed block 510 is rotatably provided on the side of the mounting plate 520 facing the first mounting seat 100, and a receiving groove 500a is provided on the side of the fixed block 510 facing the first mounting seat 100. The fixed block 510 can be sleeved on the end of the first composite roller 200 away from the first mounting seat 100 through the receiving groove 500a.

[0041] In one embodiment of the present invention, the mounting frame 300 includes a connecting rod 310, a screw rod 320, and a rotating rod 330. The rotating rod 330 is rotatably mounted on the first mounting seat 100 around a preset axis 300a. The connecting rod 310 and the screw rod 320 are both mounted on the rotating rod 330 and are both arranged parallel to the second composite roller 400. The second mounting seat 500 is slidably mounted on the connecting rod 310. A threaded abutment 321 is threadedly mounted on the screw rod 320. The threaded abutment 321 abuts against the end face of the second mounting seat 500 facing away from the first mounting seat 100. For example, Figure 1 and Figure 2 As shown, the mounting frame 300 includes a connecting rod 310, a screw rod 320 and a rotating rod 330. The rotating rod 330 can be rotatably arranged on the first mounting seat 100 around a preset axis 300a. The connecting rod 310 and the screw rod 320 are both arranged on the rotating rod 330 and are both arranged parallel to the second composite roller 400. The second mounting seat 500 can be slidably mounted on the connecting rod 310 and the screw rod 320. A threaded abutment 321 is threadedly mounted on the screw rod 320 on the side of the second mounting seat 500 away from the first mounting seat 100, and the threaded abutment 321 abuts against the end face of the second mounting seat 500 facing away from the first mounting seat 100.

[0042] It can be understood that when the second composite roller 400 is in the working position, the staff slides the second mounting seat 500 so that the groove wall of the accommodating groove 500a of the second mounting seat 500 abuts against the end face of the first composite roller 200 away from the first mounting seat 100, and then screws the threaded abutment 321 so that the threaded abutment 321 abuts against the end face of the second mounting seat 500 away from the first composite roller 200, thereby locking the second mounting seat 500 on the connecting rod 310 to prevent the second mounting seat 500 from being separated from the first composite roller 200 during the composite process of various film materials.

[0043] refer to Figure 1 and Figure 2In some embodiments of the present invention, the mounting frame 300 further includes two connecting structures 340, which are distributed along the axial direction of the connecting rod 310. The opposite ends of the second composite roller 400 are respectively connected to the two connecting structures 340. It can be understood that the two connecting structures 340 connected to the opposite ends of the second composite roller 400 make the second composite roller 400 more stable during operation.

[0044] In one embodiment, the connection structure 340 is connected to the connection rod 310 via a threaded connection member; the mounting frame 300 further includes two abutment member groups, which are arranged one-to-one with the connection structure 340. The abutment member group includes two abutment members 350, which are threadedly connected to the screw rod 320. The two abutment members 350 of the same abutment member group abut against two opposite end surfaces of the corresponding connection structure 340. For example, Figure 1 and Figure 2 As shown, the connecting structure 340 is connected to the connecting rod 310 via a threaded connection, which extends radially along the connecting rod 310. The mounting frame 300 also includes two abutment groups. The screw rod 320 passes through the two connecting structures 340. The abutment groups are arranged in a one-to-one correspondence with the connecting structures 340. The abutment groups include two abutment members 350, which are threadedly connected to the screw rod 320. The two abutment members 350 of the same abutment group abut against two opposite end surfaces of the corresponding connecting structure 340. It can be understood that by connecting the two connecting structures 340 to the connecting rod 310 via the threaded connection, and then abutting the two opposite end surfaces of the connecting structures 340 via the two abutment members 350, the shear force of the threaded connection is reduced, thereby making the connection between the connecting structure 340 and the connecting rod 310 and the screw rod 320 more stable.

[0045] refer to Figure 2 and Figure 3In some embodiments of the present invention, the connecting structure 340 includes a slider 341, a mounting block 342, and an elastic member 343. The mounting block 342 is connected to the connecting rod 310, the slider 341 is connected to the second laminating roller 400, and the opposite ends of the elastic member 343 are connected to the slider 341 and the mounting block 342, respectively. The elastic member 343 is used to provide the elastic force that enables the slider 341 to drive the second laminating roller 400 toward the first laminating roller 200. It is understood that when the second laminating roller 400 is in the working position, the film to be laminated is located between the first laminating roller 200 and the second laminating roller 400. Because the second laminating roller 400 is connected to one end of the elastic member 343, the mounting block 342 is connected to the other end of the elastic member 343, and is fixedly connected to the connecting rod 310, when the elastic member 343 is in a compressed state, the elastic member 343 can provide the slider 341 with an elastic force to move toward the first laminating roller 200, thereby providing pressure for the second laminating roller 400 to cooperate with the first laminating roller 200 to laminate the film.

[0046] In a further embodiment of the present invention, a slide groove 342 a is provided on the mounting block 342 , and the slider 341 is slidably provided in the slide groove 342 a along the radial direction of the second composite roller 400 .

[0047] refer to Figure 3 In some embodiments of the present invention, the second composite roller 400 includes a roller core 410, a roller sleeve 420, and a handle 430. The roller sleeve 420 is rotatably mounted on the roller core 410. An eccentric structure 410a is provided at the end of the roller core 410. The roller core 410 is rotatably connected to the slider 341 via the eccentric structure 410a. The handle 430 is connected to the roller core 410. Under the action of an external force, the handle 430 can drive the roller core 410 to rotate relative to the slider 341. It is understood that when a worker rotates the handle 430, the roller core 410 is rotated. Since the roller core 410 is rotatably connected to the slider 341 via the eccentric structure 410a, when the roller core 410 rotates, the eccentric structure 410a can move the second composite roller 400 closer to or farther from the first composite roller 200, thereby adjusting the gap between the first composite roller 200 and the second composite roller 400.

[0048] Specifically, the eccentric structure 410a is a semicircular block. In other embodiments of the present invention, the eccentric structure 410a is a cam.

[0049] like Figure 1 and Figure 2As shown, in some embodiments of the present invention, the first mounting seat 100 includes a locking block 110 and a connecting block 120, the mounting frame 300 is rotatably provided on the connecting block 120 around a preset axis 300a, the locking block 110 and the connecting block 120 are detachably connected, and an insertion hole 100a is formed between the locking block 110 and the connecting block 120, and one end of the first composite roller 200 is inserted into the insertion hole 100a. It can be understood that since the locking block 110 and the connecting block 120 are detachably connected, when the first composite roller 200 and the first mounting seat 100 are connected, the staff removes the locking block 110 from the connecting block 120, and then places the first composite roller 200 between the locking block 110 and the connecting block 120, and then connects the locking block 110 to the connecting block 120, so that the first composite roller 200 can be inserted into the through hole 100a; when the first composite roller 200 is disassembled from the first mounting seat 100, the staff removes the locking block 110 from the connecting block 120, so that the first composite roller 200 can be detached from the first mounting seat 100.

[0050] In a further embodiment of the present invention, the locking block 110 and the connecting block 120 are connected by bolts, which penetrate the locking block 110 and are threadedly connected to the connecting block 120. It is understood that when the first composite roller 200 is inserted into the insertion hole 100a, the operator tightens the bolts to bring the locking block 110 closer to the connecting block 120, thereby reducing the gap between the locking block 110 and the connecting block 120 and reducing the diameter of the insertion hole 100a to match the diameter of the first composite roller 200, thereby locking the first composite roller 200 to the first mounting base 100.

[0051] The following describes a die-cutting device according to an embodiment of the second aspect of the present invention. A die-cutting device according to an embodiment of the second aspect of the present invention includes a composite die assembly according to the embodiment of the first aspect. By using the composite die assembly in the die-cutting device, a worker can more conveniently insert each film material to be composited into the gap between the first composite roller 200 and the second composite roller 400. For example, in one embodiment, the die-cutting device includes a composite die assembly, and the die-cutting device uses a composite die assembly according to the embodiment of the first aspect. An operator rotates the mounting frame 300 to drive the second composite roller 400 out of the working position, so that the second composite roller 400 and the first composite roller 200 are not aligned. At this point, the worker can more conveniently place each film material to be composited between the first composite roller 200 and the second composite roller 400.

[0052] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A composite module, characterized in that: include: a first mounting seat; A first composite roller is disposed on the first mounting seat; a mounting frame, the mounting frame being rotatably mounted on the first mounting seat around a preset axis; an extension direction of the preset axis and an extension direction of the first composite roller being spaced at a certain angle; a second composite roller, the second composite roller being arranged on the mounting frame and being capable of rotating to a working position or rotating out of the working position driven by the mounting frame; in, When the second composite roller is located at the working position, the second composite roller is coplanar with and parallel to the first composite roller, and can cooperate with the first composite roller to composite the film material; when the second composite roller is out of the working position, the second composite roller is out of plane with the first composite roller, so as to facilitate the film material to be passed between the second composite roller and the first composite roller.

2. A composite module according to claim 1, characterized in that: The composite module also includes a second mounting seat, one end of the first composite roller is arranged on the first mounting seat, and the second mounting seat is arranged on the mounting frame. When the mounting frame carries the second composite roller and rotates to the working position, the second mounting seat can be connected to the end of the first composite roller away from the first mounting seat to lock the second composite roller in the working position.

3. A composite module according to claim 2, characterized in that: The second mounting seat is slidably arranged on the mounting frame along the axial direction of the second composite roller. The second mounting seat is provided with a receiving groove on the side facing the first mounting seat, and the second mounting seat can be sleeved on the end of the first composite roller away from the first mounting seat through the receiving groove.

4. A composite module according to claim 3, characterized in that: The mounting frame includes a connecting rod, a screw rod and a rotating rod. The rotating rod is rotatable around the preset axis and is arranged on the first mounting seat. The connecting rod and the screw rod are both arranged on the rotating rod and are both arranged parallel to the second composite roller. The second mounting seat can be slidably mounted on the connecting rod. A threaded abutment is threadedly mounted on the screw rod, and the threaded abutment is abutted against the end face of the second mounting seat facing away from the first mounting seat.

5. A composite module according to claim 4, characterized in that: The mounting frame further includes two connecting structures, which are distributed on the connecting rod along the axial direction of the connecting rod, and opposite ends of the second composite roller are respectively connected to the two connecting structures.

6. A composite module according to claim 5, characterized in that: The connecting structure is connected to the connecting rod through a threaded connection; the mounting frame also includes two groups of abutment groups, which are arranged in a one-to-one correspondence with the connecting structure, and the abutment group includes two abutments, which are threadedly connected to the screw rod, and the two abutments of the same abutment group respectively abut against the two opposite end faces of the corresponding connecting structure.

7. The composite module according to claim 5, characterized in that: The connecting structure includes a slider, a mounting block and an elastic member, the mounting block is connected to the connecting rod, the slider is connected to the second composite roller, the opposite ends of the elastic member are respectively connected to the slider and the mounting block, and the elastic member is used to provide elastic force so that the slider drives the second composite roller close to the first composite roller.

8. A composite module according to claim 7, characterized in that: The second composite roller includes a roller core, a roller sleeve and a handle. The roller sleeve is rotatably mounted on the roller core. An eccentric structure is provided at the end of the roller core. The roller core is rotatably connected to the slider via the eccentric structure. The handle is connected to the roller core. Under the action of external force, the handle can drive the roller core to rotate relative to the slider.

9. The composite module according to claim 1, characterized in that: The first mounting seat includes a locking block and a connecting block. The mounting frame is rotatably arranged on the connecting block around the preset axis. The locking block and the connecting block are detachably connected. An insertion hole is formed between the locking block and the connecting block, and one end of the first composite roller is inserted into the insertion hole.

10. A die-cutting device, characterized in that: The invention comprises a composite module as claimed in any one of claims 1 to 9.

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