Transverse cutter assembly of laminator and laminator

Abstract

The utility model relates to a transverse cutter assembly of a laminator and the laminator, the transverse cutter assembly comprises a cutter rest, the cutter rest comprises a cutter groove and a guide hole for a laminated part to pass through, the guide hole is perpendicular to the cutter groove, and the guide hole passes through the cutter groove; the transverse cutter is arranged in the cutter groove in a sliding mode, transverse tangent planes are arranged on the two faces of a cutter body of the transverse cutter, and fillet tangent planes are arranged on the two sides of each transverse tangent plane. And the driving mechanism is connected to the transverse cutter, and the driving mechanism is used for driving the transverse cutter to slide back and forth in the cutter groove so as to cut the laminated part in the guide hole. Transverse cutting and round corner cutting of the plastic film between the two laminated parts are combined together, so that the cutting steps of the laminated parts are more concise, and meanwhile, the size of the laminator can be more compact.

Description

Technical Field

[0001] The present application relates to the field of printing technology, and particularly to a transverse cutting knife assembly of a laminating machine and a laminating machine. Background Art

[0002] A laminating machine, also known as a plastic sealing machine / laminating machine / book covering machine / Pouch Laminator / film Laminator, mainly consists of components such as a drive system, a heating and temperature control system, an operation control panel, and front and rear rubber rollers, and is a special device for laminating photos or document materials.

[0003] When the existing laminating machine cuts a laminated part, in order to make the laminated part have rounded corners, devices with the function of cutting rounded corners are added in the laminating machine to cut the rounded corners of the laminated part; for example, a laminating machine with the function of cutting rounded corners with the publication number CN108248007A and a rounded corner knife combination with the publication number CN207682549U. However, the existing laminating machine cuts the laminated part by first longitudinally cutting, then transversely cutting, and then cutting the rounded corners, resulting in complex cutting steps and a relatively large overall volume of the laminating machine. Summary of the Utility Model

[0004] In view of the above problems, the present application provides a transverse cutting knife assembly of a laminating machine and a laminating machine, which solves the problems that the existing laminating machine needs to cut the laminated part through the way of first longitudinally cutting, then transversely cutting, and then cutting the rounded corners, resulting in complex cutting steps and a relatively large overall volume of the laminating machine.

[0005] To achieve the above object, the inventor provides a transverse cutting knife assembly of a laminating machine, including:

[0006] A tool holder, the tool holder includes a tool groove and a guide hole for the laminated part to pass through, the guide hole is perpendicular to the tool groove, and the guide hole passes through the tool groove;

[0007] A transverse cutting knife, the transverse cutting knife is slidably arranged in the tool groove, and both sides of the knife body of the transverse cutting knife are provided with transverse cutting surfaces and rounded corner cutting surfaces are arranged on both sides of the transverse cutting surface;

[0008] A driving mechanism, the driving mechanism is connected to the transverse cutting knife, and the driving mechanism is used to drive the transverse cutting knife to slide back and forth in the tool groove, so as to cut the plastic film between two consecutive adjacent laminated parts in the guide hole.

[0009] In some embodiments, the driving mechanism includes:

[0010] A first driving motor,

[0011] An eccentric shaft, the eccentric shaft is drivingly connected to the first driving motor;

[0012] A connecting member, one end of which is arranged on the eccentric shaft, and the other end of which is connected to the transverse cutter, and the connecting member reciprocates as the eccentric shaft rotates.

[0013] In some embodiments, there are two connecting members, which are respectively arranged at two ends of the transverse cutter.

[0014] In some embodiments, the eccentric shaft is connected to the first driving motor via a belt drive.

[0015] In some embodiments, the groove shape of the knife groove is adapted to the knife body shape of the transverse cutter.

[0016] In some embodiments, the distance between the two transverse cut surfaces of the transverse cutter is 2.5-4 mm.

[0017] Another technical solution is also provided, a laminating machine, comprising:

[0018] A heating roller group, the heating roller group comprising an upper heating rubber roller and a lower heating rubber roller in contact with each other, wherein the upper heating rubber roller and the lower heating rubber roller are both provided with a heating device;

[0019] A conveying roller group, the conveying roller group is used to convey the plastic parts, and the conveying roller group includes a first roller group, a second roller group and a third roller group which are arranged in sequence;

[0020] A longitudinal cutter group, the longitudinal cutter group comprising two longitudinal cutters, the two longitudinal cutters being symmetrically arranged between the first roller group and the second roller group;

[0021] a second drive motor, the second drive motor being transmission-connected to the second roller group;

[0022] A transverse cutter assembly is provided between the second roller group and the third roller group, and the transverse cutter assembly is the transverse cutter assembly described above.

[0023] In some embodiments, the heating device is a heating lamp.

[0024] In some embodiments, the second roller group includes a first rubber roller and a second rubber roller in contact with each other, and the first rubber roller is drivingly connected to the second driving motor;

[0025] The third roller group includes a third rubber roller and a fourth rubber roller that are in contact with each other, and the third rubber roller is drivingly connected to the second rubber roller.

[0026] In some embodiments, the first drive motor and the second drive motor are electric motors.

[0027] Different from the prior art, in the above technical solution, when cutting the plastic film of the over-molded part, the over-molded part passes through the guide hole on the tool holder, and at the same time, the cutting knife reciprocates in the tool groove of the tool holder under the drive of the drive mechanism to horizontally cut the plastic films of the two over-molded parts passing through the guide hole. And on both sides of the bottom of the cutting knife, there are horizontal cutting surfaces and rounded cutting surfaces are arranged on both sides of the horizontal cutting surface. It not only realizes the horizontal cutting of the plastic film between the two over-molded parts, but also realizes the rounded cutting of the plastic film, combining the horizontal cutting and the rounded cutting of the plastic film between the two over-molded parts, making the cutting step of the over-molded part more concise, and at the same time making the volume of the laminator more compact.

[0028] The above relevant descriptions of the utility model content are only an overview of the technical solution of this application. In order to enable those of ordinary skill in the art to more clearly understand the technical solution of this application, and then can be implemented according to the content recorded in the text of the specification and the drawings, and in order to make the above objects, other objects, features and advantages of this application more easily understood, the following is described in conjunction with the specific implementation manners and drawings of this application. Brief Description of the Drawings

[0029] The drawings are only used to illustrate the principles, implementation methods, applications, features and effects of the specific implementation manners and other related contents of this application, and should not be considered as a limitation to this application.

[0030] In the accompanying drawings of the specification:

[0031] Figure 1 It is a schematic structural diagram of a horizontal cutting knife assembly of the laminator described in the specific implementation manner;

[0032] Figure 2 It is a schematic structural diagram of a tool holder described in the specific implementation manner;

[0033] Figure 3 It is a schematic structural diagram of a horizontal cutting knife described in the specific implementation manner;

[0034] Figure 4 It is a schematic diagram of a cutting effect of an over-molded part described in the specific implementation manner;

[0035] Figure 5 It is a schematic structural diagram of a laminator described in the specific implementation manner;

[0036] Figure 6 It is a schematic structural diagram of a longitudinal cutting knife group described in the specific implementation manner;

[0037] Figure 7 It is a schematic structural diagram of a longitudinal cutting knife group described in the specific implementation manner. The reference numerals involved in the above drawings are explained as follows: 110, tool holder,

[0038] 111. Knife groove

[0039] 112. Guide hole

[0040] 120. Transverse cutting knife

[0041] 121. Transverse cutting surface

[0042] 122. Rounded cutting surface

[0043] 131. First driving motor

[0044] 132. Eccentric shaft

[0045] 133. Connecting piece

[0046] 134. Belt

[0047] 141. Upper heating rubber roller

[0048] 142. Lower heating rubber roller

[0049] 143. Heating lamp

[0050] 150. First roller group

[0051] 161. Second rubber roller

[0052] 162. First rubber roller

[0053] 171. Third rubber roller

[0054] 172. Fourth rubber roller

[0055] 180. Longitudinal cutting knife group

[0056] 181. Longitudinal cutting knife

[0057] 190. Second driving motor

[0058] 200. Plastic film

[0059] 210. Rounded corner Detailed implementation manners

[0060] To illustrate in detail the possible application scenarios, technical principles, specific implementable solutions, achievable purposes and effects of this application, etc., the following will be described in detail in combination with the listed specific embodiments and with reference to the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of this application, so they are only examples and cannot be used to limit the protection scope of this application.

[0061] Reference to "embodiment" in this text means that the specific features, structures or characteristics described in connection with the embodiment may be included in at least one embodiment of this application. The term "embodiment" appearing at various positions in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in this application, as long as there is no technical contradiction or conflict, the various technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0062] Unless otherwise defined, the meanings of the technical terms used in this text are the same as those commonly understood by those skilled in the technical field to which this application belongs; the use of the relevant terms in this text is only for describing specific embodiments and is not intended to limit this application.

[0063] In the description of this application, the term "and / or" is an expression used to describe the logical relationship between objects, indicating that there can be three relationships, for example, A and / or B, which means: there is A, there is B, and there is both A and B at the same time. In addition, the character " / " in this text generally represents an "or" logical relationship between the associated objects before and after.

[0064] In this application, terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantity, primary-secondary or order relationship, etc. between these entities or operations.

[0065] Without further limitation, in this application, the expressions such as "comprising", "including", "having" or other similar expressions used in the statement are intended to cover non-exclusive inclusion. These expressions do not exclude that there may be other elements in the process, method or product including the said elements, so that the process, method or product including a series of elements may not only include those defined elements, but also include other elements not explicitly listed, or also include elements inherent to this process, method or product.

[0066] The same as the understanding in the "Examination Guidelines", in this application, expressions such as "greater than", "less than", "exceeding" are understood not to include the number itself; expressions such as "above", "below", "within" are understood to include the number itself. In addition, in the description of the embodiments of this application, the meaning of "a plurality of" is two or more (including two), and similar expressions related to "many" are also understood in this way, such as "multiple groups", "multiple times", etc., unless otherwise specifically defined.

[0067] In the description of the embodiments of the present application, the spatially related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "perpendicular", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiments or the drawings. It is only for the convenience of describing the specific embodiments of the present application or facilitating the understanding of the readers, rather than indicating or implying that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of the present application.

[0068] Unless otherwise clearly specified or limited, in the description of the embodiments of the present application, the terms such as "mounted", "connected", "joined", "fixed", "arranged", etc. should be understood in a broad sense. For example, the "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art to which the present application pertains, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0069] Please refer to Figures 1-3 , this embodiment provides a transverse cutting knife assembly of a laminating machine, including:

[0070] A tool holder 110, the tool holder 110 includes a tool groove 111 and a guide hole 112 for the laminated parts to pass through. The guide hole 112 is perpendicular to the tool groove 111, and the guide hole 112 passes through the tool groove 111;

[0071] A transverse cutting knife 120, the transverse cutting knife 120 is slidably arranged in the tool groove 111. On both sides of the knife body of the transverse cutting knife 120, there are transverse cutting surfaces 121 and rounded cutting surfaces 122 are arranged on both sides of the transverse cutting surface 121;

[0072] A driving mechanism, the driving mechanism is connected to the transverse cutting knife 120, and the driving mechanism is used to drive the transverse cutting knife 120 to slide back and forth in the tool groove 111, so as to cut the plastic film between two consecutive adjacent laminated parts in the guide hole 112.

[0073] When laminating a plurality of documents, the laminating pieces of each document are connected by a plastic film. The plastic film between two adjacent laminating pieces needs to be cut to obtain a separate laminating piece. When cutting the plastic film 200 between the two laminating pieces, the laminating piece passes through the guide hole 112 on the tool holder 110. At the same time, the cutter reciprocates in the knife groove 111 of the tool holder 110 under the drive of the driving mechanism to perform transverse cutting of the plastic film 200 of the two laminating pieces passing through the guide hole 112. Transverse cutting surfaces 121 are provided on both sides of the bottom of the cutter, and rounded cutting surfaces 122 are provided on both sides of the transverse cutting surface 121. This not only realizes the transverse cutting of the plastic film 200 between the two laminating pieces, but also realizes the rounded cutting of the plastic film 200. The transverse cutting and rounded cutting of the plastic film 200 between the two laminating pieces are combined together, so that the cutting steps of the laminating pieces are simpler and the volume of the laminating machine can be made more compact.

[0074] Before laminating, the plastic film is in the form of a roll film.

[0075] like Figure 3 As shown, the transverse cutter 120 has transverse sections 121 on both sides, and the two ends of the transverse sections 121 have rounded sections 122. When cutting the plastic film 200 of two overmolded pieces, the transverse sections 121 on both sides are cut transversely, and at the same time, the two corners of the cross-section of the plastic film 200 between two consecutive overmolded pieces are rounded by the rounded sections 122 to obtain rounded corners 210. Finally, the overmolded piece can be obtained after longitudinal cutting, transverse cutting and rounded cutting. The effect of the overmolded piece after cutting is as shown in FIG. Figure 4 shown.

[0076] See also Figure 1 In some embodiments, the driving mechanism comprises:

[0077] The first driving motor 131,

[0078] An eccentric shaft 132 , wherein the eccentric shaft 132 is transmission-connected to the first driving motor 131 ;

[0079] A connecting member 133 , one end of which is disposed on the eccentric shaft 132 , and the other end of which is connected to the transverse cutter 120 , and the connecting member 133 reciprocates as the eccentric shaft 132 rotates.

[0080] The driving mechanism drives the eccentric shaft 132 to rotate by using the first driving motor 131, and during the rotation of the eccentric shaft 132, the connecting member 133 can be driven to reciprocate, and during the reciprocating motion of the connecting member 133, the transverse cutter 120 can be driven to reciprocate in the knife groove 111 of the knife holder 110, so as to achieve the transverse cutter 120 to cut the plastic film 200 between the two plastic parts. There are two connecting members 133, which are respectively arranged at the two ends of the transverse cutter 120. By arranging two connecting members 133 at the two ends of the transverse cutter 120 to drive the transverse cutter 120 to cut, the transverse cutter 120 can cut the plastic film 200 between the two adjacent plastic parts more evenly. Among them, the eccentric shaft 132 has a protrusion. During the rotation of the eccentric shaft 132, the protrusion on the eccentric shaft 132 will drive the connecting member 133 to perform eccentric circular motion, thereby realizing the reciprocating motion of the connecting member 133, and then driving the transverse cutter 120 to reciprocate in the knife groove 111, so that the transverse cutter 120 cuts the plastic film 200 of the passing plastic part.

[0081] In other embodiments, the driving mechanism may also be a device that can achieve reciprocating motion, such as an electric push rod, a hydraulic cylinder, or a pneumatic cylinder.

[0082] In some embodiments, the eccentric shaft 132 is connected to the first drive motor 131 through a belt 134. The first drive motor 131 can drive the eccentric shaft 132 to rotate through the belt 134. In other embodiments, the first drive motor 131 can also be connected to the eccentric shaft 132 through a gear.

[0083] In some embodiments, the shape of the groove body of the knife groove 111 is adapted to the shape of the knife body of the transverse cutter 120. The shape of the knife body of the transverse cutter 120 is adapted to the shape of the groove body of the knife groove 111, so that the knife groove 111 can guide and restrict the transverse cutter 120, thereby allowing the transverse cutter 120 to cut the plastic film 200 between the two plastic parts more accurately.

[0084] In some embodiments, the distance between the two transverse cut surfaces 121 of the transverse cutter 120 is 2.5-4 mm. By setting the distance between the two transverse cut surfaces 121 of the transverse cutter 120 to 2-4 mm, the waste film generated during the plastic film cutting process between two plastic parts can be reduced. Preferably, the distance between the two transverse cut surfaces 121 is 2.5 mm, which ensures the strength and service life of the cutter and avoids reducing the waste film.

[0085] See also Figure 5 In another embodiment, a laminator includes:

[0086] A heating roller group, the heating roller group includes an upper heating rubber roller 141 and a lower heating rubber roller 142 that are in contact with each other, and a heating device is provided in the upper heating rubber roller 141 and the lower heating rubber roller 142;

[0087] A conveying roller group, the conveying roller group is used to convey the plastic parts, and the conveying roller group includes a first roller group 150, a second roller group and a third roller group which are arranged in sequence;

[0088] Longitudinal cutting knife group 180, such as Figures 6-7 As shown, the longitudinal cutter group 180 includes two longitudinal cutters 181, and the two longitudinal cutters 181 are symmetrically arranged between the first roller group 150 and the second roller group;

[0089] A second driving motor 190, wherein the second driving motor 190 is transmission-connected to the second roller group;

[0090] A transverse cutter assembly is provided between the second roller group and the third roller group. The transverse cutter assembly is the transverse cutter assembly in the above embodiment.

[0091] When laminating a document, the folder is sent into the heating roller group between two plastic films 200, and the air between the plastic film 200 and the document is squeezed by the upper heating rubber roller 141 and the lower heating rubber roller 142. At the same time, the heating device heats the upper heating rubber roller 141 and the lower heating rubber roller 142, so that the plastic film 200 is wrapped around the document to be laminarized, and then sent into the conveying roller group. During the conveying process in the conveying roller group, the longitudinal knife group between the first roller group 150 and the second roller group cuts the plastic film 200 on both sides of the longitudinal direction of the laminating piece, and then the plastic film is sent into the transverse cutting knife assembly between the second roller group and the third roller group to perform transverse cutting and rounded corner cutting on the plastic film between the two laminating pieces, so as to finally obtain the required laminating piece. When the overmolded piece is cut by the transverse cutting knife assembly, when the plastic film 200 of the overmolded piece is cut, the overmolded piece passes through the guide hole 112 on the knife holder 110, and at the same time, the cutter reciprocates in the knife groove 111 of the knife holder 110 under the drive of the driving mechanism to transversely cut the plastic film 200 between the two overmolded pieces passing through the guide hole 112, and transverse cutting surfaces 121 are arranged on both sides of the bottom of the cutter and rounded cutting surfaces 122 are arranged on both sides of the transverse cutting surface 121, which not only realizes the transverse cutting of the plastic film 200 between the two overmolded pieces, but also realizes the rounded cutting of the plastic film 200, and combines the transverse cutting and rounded cutting of the plastic film 200 between the two overmolded pieces, so that the cutting steps of the overmolded piece are simpler and the volume of the laminating machine can be made more compact.

[0092] like Figures 3-4As shown, both sides of the transverse cutter 120 have transverse cutting surfaces 121, and both ends of the transverse cutting surfaces 121 have rounded cutting surfaces 122. When cutting two plastic films 200 passing through plastic parts, the transverse cutting surfaces 121 on both sides perform transverse cutting, and at the same time, the rounded cutting surfaces 122 at both ends perform rounded cutting on the two corners of the transverse cut of the plastic film 200 between two consecutive adjacent plastic parts passing through to obtain rounded corners 210. Finally, plastic parts that have been longitudinally cut, transversely cut, and rounded cut can be obtained.

[0093] In some embodiments, the heating device is a heating lamp 143. The heating lamp 143 heats the upper heating rubber roller 141 and the lower heating rubber roller 142, thereby enabling the plastic film 200 to be wrapped around the document. In other embodiments, the heating device can also be a heating wire, a heating rod, etc.

[0094] In some embodiments, the second roller group includes a first rubber roller 162 and a second rubber roller 161 that are in contact with each other, and the first rubber roller 162 is drivingly connected to a second driving motor 190;

[0095] The third roller group includes a third rubber roller 171 and a fourth rubber roller 172 that are in contact with each other, and the third rubber roller 171 is drivingly connected to the second rubber roller 161.

[0096] The second driving motor 190 drives the first rubber roller 162 in the second roller group to rotate. As the first rubber roller 162 rotates, it drives the second rubber roller 161 to rotate. The rotation of the first rubber roller 162 and the second rubber roller 161 pulls and conveys the plastic parts passing through the second roller group. Since the second rubber roller 161 is drivingly connected to the third rubber roller in the third roller group, the rotation of the second rubber roller 161 also drives the third rubber roller 171 to rotate, enabling the third roller group to also convey the plastic parts, realizing the conveyance of the plastic parts. In other embodiments, one rubber roller in the first roller group 150 can also be driven by a driving motor, and then the rubber rollers in the first roller group 150 are transmission-connected to the rubber rollers in the second roller group through the rubber rollers, and the rubber rollers in the second roller group are drivingly connected to the rubber rollers in the third roller group; three driving motors can also be used, which are respectively drivingly connected to the three roller groups.

[0097] In some embodiments, the first driving motor 131 and the second driving motor 190 are electric motors. The first driving motor 131 and the second driving motor 190 can be electric motors to drive the transverse cutter assembly and the conveying roller group. In other embodiments, the first driving motor 131 and the second driving motor 190 can also be pneumatic motors or hydraulic motors.

[0098] Finally, it should be noted that although the above embodiments have been described in the text and drawings of the specification of this application, the patent protection scope of this application cannot be limited thereby. Any technical solution that is produced by replacing or modifying an equivalent structure or equivalent process based on the substantial concept of this application and using the content recorded in the text and drawings of the specification of this application, as well as any technical solution of the above embodiments that is directly or indirectly implemented in other related technical fields, etc., are all included within the patent protection scope of this application.

Claims

1. A transverse cutting knife assembly of a laminator, characterized in that: include: A tool holder, the tool holder comprising a tool groove and a guide hole for the plastic part to pass through, the guide hole and the tool groove being perpendicular to each other, and the guide hole passing through the tool groove; A transverse cutter, wherein the transverse cutter is slidably disposed in the cutter groove, and transverse cutting surfaces are disposed on both sides of the cutter body of the transverse cutter, and rounded cutting surfaces are disposed on both sides of the transverse cutting surface; A driving mechanism is connected to the transverse cutter, and is used to drive the transverse cutter to slide back and forth in the knife groove, thereby cutting the plastic film between two consecutive adjacent plastic parts in the guide hole.

2. The transverse cutting knife assembly of the laminating machine according to claim 1, characterized in that: The driving mechanism comprises: The first drive motor, An eccentric shaft, the eccentric shaft is drivingly connected to the first driving motor; A connecting member, one end of which is arranged on the eccentric shaft, and the other end of which is connected to the transverse cutter, and the connecting member reciprocates as the eccentric shaft rotates.

3. The transverse cutting blade assembly of the laminating machine according to claim 2, characterized in that: There are two connecting pieces, which are respectively arranged at two ends of the transverse cutter.

4. The transverse cutting knife assembly of the laminating machine according to claim 2, characterized in that: The eccentric shaft is connected to the first driving motor via a belt transmission.

5. The transverse cutting knife assembly of the laminating machine according to claim 1, characterized in that: The shape of the groove body of the knife groove is matched with the shape of the knife body of the transverse cutter.

6. The transverse cutting blade assembly of the laminating machine according to claim 1, characterized in that: The distance between the two transverse cut surfaces of the transverse cutter is 2.5-4 mm.

7. A laminator, characterized in that: The laminating machine comprises: A heating roller group, the heating roller group comprising an upper heating rubber roller and a lower heating rubber roller in contact with each other, wherein the upper heating rubber roller and the lower heating rubber roller are both provided with a heating device; A conveying roller group, the conveying roller group is used to convey the plastic parts, and the conveying roller group includes a first roller group, a second roller group and a third roller group which are arranged in sequence; A longitudinal cutter group, the longitudinal cutter group comprising two longitudinal cutters, the two longitudinal cutters being symmetrically arranged between the first roller group and the second roller group; a second drive motor, the second drive motor being transmission-connected to the second roller group; A transverse cutter assembly, wherein the transverse cutter assembly is arranged between the second roller group and the third roller group, and the transverse cutter assembly is the transverse cutter assembly described in any one of claims 1-5.

8. The laminating machine according to claim 7, characterized in that: The heating device is a heating lamp.

9. The laminating machine according to claim 7, characterized in that: The second roller group includes a first rubber roller and a second rubber roller that are in contact with each other, and the first rubber roller is drivingly connected to the second driving motor; The third roller group includes a third rubber roller and a fourth rubber roller that are in contact with each other, and the third rubber roller is drivingly connected to the second rubber roller.

10. The laminating machine according to claim 7, characterized in that: The first drive motor and the second drive motor are electric motors.

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