Film laminating device for paperboard processing

Abstract

The invention belongs to the technical field of paperboard processing, and discloses a paperboard processing film covering device which comprises a main body frame, conveying belts are arranged in the main body frame, an adsorption assembly used for adsorbing paperboards is arranged between the conveying belts, and a film covering frame is arranged on the top face of the main body frame. In the adsorption assembly, a collecting frame is located between the conveying belts and can be pulled out from the side face of the main body frame, a filter plate on the top face of the collecting frame can play a role in supporting the conveying belts, and when a negative pressure pump flatly adsorbs the paperboards to the conveying belts, dust on the surfaces of the paperboards can be removed. And dust and chippings in the film covering frame can also enter the adsorption assembly through the through holes in the surface of the conveying belt, through the design, in the paperboard film covering process, wrinkles generated by a protective film on the surface of a paperboard are few, and the paperboard film covering quality is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cardboard processing, and in particular to a laminating device used for cardboard processing. Background Art

[0002] The laminating device for cardboard processing is a device that covers the surface of cardboard with a plastic film. Its main function is to enhance the moisture-proof, waterproof, and wear-resistant properties of the cardboard, and it can also improve the aesthetics and added value of the cardboard.

[0003] For example, the invention with announcement number CN110202907B provides a cardboard laminating device for cardboard processing, including a base, a vertical beam is arranged at the top of the base, and a horizontal beam is arranged at the top of the vertical beam. The present invention can simultaneously coat the upper and lower sides of the cardboard through a double laminating roller structure symmetrically arranged up and down, saving the laminating time of the cardboard, and the design of the elastic connecting part makes the film and the cardboard closer after rolling, and the limiting mechanisms arranged on both sides of the laminating mechanism can limit the movement trajectory of the cardboard to avoid the problem of misalignment between the film and the cardboard during laminating, and the spacing of the limiting mechanisms is adjustable, and can limit and correct cardboards of different widths, and the roller brush cleaning mechanism can clean the dust on the exposed surface of the cardboard before laminating, thereby improving the adhesion effect of the film and the cardboard, and the hot air drying mechanism can be provided to heat the film paper after lamination, so that the adhesion effect is better.

[0004] The prior art has the following problems: the existing laminating device for cardboard processing has poor adaptability and cannot quickly perform laminating processing on cardboards of different thicknesses, which affects the laminating efficiency of the cardboard. In addition, during the cardboard processing and transportation process, the surface flatness of the cardboard is not easy to maintain consistency, resulting in a low degree of lamination of the cardboard during lamination, which affects the laminating quality of the cardboard.

[0005] For this purpose, a laminating device for cardboard processing is proposed. Summary of the invention

[0006] The purpose of the present invention is to solve the problems that the existing laminating device for cardboard processing has poor adaptability, cannot quickly perform laminating processing on cardboards of different thicknesses, affects the laminating efficiency of the cardboard, and during the cardboard processing and transportation process, the surface flatness of the cardboard is not easy to maintain consistency, resulting in a low degree of fit of the cardboard during lamination, affecting the laminating quality of the cardboard. The present invention provides a laminating device for cardboard processing.

[0007] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0008] A laminating device for cardboard processing comprises a main frame, a conveyor belt is arranged inside the main frame, an adsorption component for adsorbing cardboard is arranged between the conveyor belts, and the adsorption component runs through the side of the main frame, a laminating frame is arranged on the top surface of the main frame, a cleaning component for removing dust on the surface of the cardboard is arranged on the side of the laminating frame, a pressing component for adjusting the laminating height is arranged in the laminating frame, and a cutting component for cutting excess protective film is arranged on the side of the laminating frame.

[0009] As a further solution of the present invention, the adsorption assembly includes a collecting frame, and the collecting frame passes through the side of the main frame, the top surface of the collecting frame is provided with a filter plate, the side of the collecting frame is provided with a negative pressure pump, the output end of the negative pressure pump is provided with a negative pressure pipe, the surface array of the negative pressure pipe is provided with a connecting pipe, and the connecting pipe passes through the side of the collecting frame, the surface of the conveyor belt is evenly provided with through holes, and the through holes pass through the surface of the conveyor belt.

[0010] As a further solution of the present invention, a driving shaft and a driven shaft are provided in the main frame, and the driving shaft and the driven shaft are respectively rotatably connected to the main frame, and the conveyor belt is nested in the surface of the driving shaft and the driven shaft, and a conveying motor is provided in the main frame, and the output end of the conveying motor is fixedly connected to one end of the driving shaft.

[0011] As a further solution of the present invention, the cleaning component includes a cleaning frame, a lifting groove is opened on the side of the coating frame, a lifting screw is provided in the lifting groove, and the lifting screw is threadedly connected to the cleaning frame, a lifting motor is fixed to the top of the lifting screw, a cleaning groove is opened on the side of the cleaning frame, and a cleaning fan is arrayed in the cleaning groove.

[0012] As a further solution of the present invention, the pressing assembly includes a mounting frame, a lifting cylinder is provided on the top surface of the coating frame, and the output end of the lifting cylinder is fixedly connected to the top surface of the mounting frame, a coating roller is provided in the mounting frame, and the coating roller is rotatably connected to the mounting frame.

[0013] As a further solution of the present invention, a fixed block is provided on the bottom surface of the laminating frame, a reel is provided between the fixed blocks, and the reel is rotatably connected to the fixed block, a laminating motor is provided on the surface of the fixed block, and the output end of the laminating motor is fixedly connected to one end of the reel, and a sealing box is provided on the top surface of the laminating frame.

[0014] As a further solution of the present invention, the cutting assembly includes a fixed plate, the bottom surface of the fixed plate is provided with an adjustment groove, the adjustment groove is provided with an adjustment screw and an adjustment block, and the adjustment block is axially symmetrical with respect to the fixed plate, and the adjustment blocks are respectively threadedly connected to the adjustment screw, and an adjustment motor is fixed to one end of the adjustment screw.

[0015] As a further solution of the present invention, a sensor is provided on the side of the adjusting block, a cutting blade is fixed on the inner side of the adjusting block, a pushing frame is respectively provided on the front and back of the laminating frame, and the pushing frame passes through the laminating frame, an electric telescopic rod is provided between the pushing frame and the laminating frame, and a positioning strip is provided at one end of the pushing frame.

[0016] As a further solution of the present invention, a controller is provided on the surface of the laminating frame, and the controller is electrically connected to the negative pressure pump, lifting motor, cleaning fan, sensor, adjustment motor, electric telescopic rod, laminating motor and conveying motor respectively.

[0017] The beneficial effects of the present invention are as follows:

[0018] 1. The present invention is provided with an adsorption assembly in the main frame. In the adsorption assembly, the collection frame is located between the conveyor belts and can be pulled out from the side of the main frame. The filter plate on the top surface of the collection frame can not only support the conveyor belt, but also when the negative pressure pump adsorbs the cardboard flatly on the conveyor belt, the dust and debris in the laminating frame can also enter the adsorption assembly through the through holes on the surface of the conveyor belt. This design makes the protective film on the surface of the cardboard less wrinkled during the laminating process, thereby improving the laminating quality of the cardboard.

[0019] 2. The present invention provides a cleaning component on the side of the laminating frame. In the cleaning component, driven by the lifting motor, the lifting screw carries the cleaning frame downward to contact the cardboard, and then the cleaning groove on the side of the cleaning frame will scrape the dust adhered to the surface of the cardboard, and then the cleaning fan in the cleaning groove will blow away the scraped dust, so that less bubbles are generated on the surface of the cardboard during lamination, thereby improving the electric fit between the cardboard and the protective film and improving the qualified rate of the product.

[0020] 3. The present invention is provided with a pressing component in the laminating frame, and a cutting component is provided on the side of the laminating frame. The pressing component can be adjusted up and down according to the thickness of the cardboard, and in the cutting component, the sensor corresponds to the positioning bar at one end of the pushing frame, and the positioning bar can detect the width of the cardboard during the process of shaping and positioning the cardboard. Then, under the action of the sensor, the adjusting motor drives the adjusting screw rod to drive the adjusting block to move to both sides of the cardboard respectively, and then after the cardboard is laminarized, the cutting blade on the inner side of the adjusting block will cut off the excess protective film on the cardboard. These designs enable the device to be quickly adjusted and laminating operations can be performed on cardboards of different sizes and thicknesses, thereby improving the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is an axonometric view of the present invention;

[0022] Figure 2 is an overall cross-sectional view of the present invention;

[0023] Figure 3 It is an exploded view of the overall structure of the present invention;

[0024] Figure 4 is a structural exploded view of the adsorption assembly of the present invention;

[0025] Figure 5 is a structural diagram of the pressing assembly of the present invention;

[0026] Figure 6 is a cross-sectional view of the cleaning assembly of the present invention;

[0027] Figure 7 is an exploded view of the cleaning assembly of the present invention;

[0028] Figure 8 is a cross-sectional view of the cutting assembly of the present invention;

[0029] Fig. 9 It is a structural exploded view of the cutting assembly of the present invention.

[0030] Figure numerals: 1. adsorption component; 101. collection frame; 102. negative pressure pump; 103. filter plate; 104. connecting pipe; 105. negative pressure pipe; 2. pressing component; 201. lifting cylinder; 202. mounting frame; 203. coating roller; 3. cleaning component; 301. lifting motor; 302. cleaning frame; 303. lifting screw rod; 304. cleaning slot; 305. cleaning fan; 4. controller; 5. cutting component; 501. fixing plate ; 502, adjustment slot; 503, adjustment block; 504, sensor; 505, cutting blade; 506, adjustment screw; 507, adjustment motor; 6, conveyor belt; 7, main frame; 8, sealing box; 9, driving shaft; 10, through hole; 11, fixing block; 12, driven shaft; 13, electric telescopic rod; 14, lifting slot; 15, reel; 16, laminating motor; 17, positioning strip; 18, pushing frame; 19, conveying motor; 20, laminating frame. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0034] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the inventive product is usually placed when used. 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, and therefore cannot be understood as a limitation on the present invention.

[0035] The following will be combined Figure 1-Figure 9 A laminating device for cardboard processing according to an embodiment of the present invention is described in detail.

[0036] Embodiment 1: Embodiment 1 of the present application discloses a laminating device for cardboard processing. Figure 1-Figure 9 , including a main frame 7, a conveyor belt 6 is arranged inside the main frame 7, an adsorption component 1 for adsorbing cardboard is arranged between the conveyor belts 6, and the adsorption component 1 runs through the side of the main frame 7, a laminating frame 20 is arranged on the top surface of the main frame 7, a cleaning component 3 for removing dust on the surface of the cardboard is arranged on the side of the laminating frame 20, a pressing component 2 for adjusting the laminating height is arranged in the laminating frame 20, and a cutting component 5 for cutting excess protective film is arranged on the side of the laminating frame 20.

[0037] Specifically, when the device is laminating the cardboard, the cardboard is first placed on the conveyor belt 6, and then before the cardboard enters the laminating frame 20, the cleaning component 3 will remove the dust on the surface of the cardboard, and when the cardboard enters the laminating frame 20, the pressing component 2 will press the protective film on the surface of the cardboard, and then during the movement of the cardboard, the protective film is sequentially covered on the surface of the cardboard, and then when the laminated cardboard is conveyed to the outside of the laminating frame 20, the cutting component 5 will cut off the excess protective film, and during the movement of the cardboard in the laminating frame 20, the adsorption component 1 will tightly adsorb the cardboard and fit it to the surface of the conveyor belt 6.

[0038] The adsorption assembly 1 includes a collecting frame 101, and the collecting frame 101 passes through the side of the main frame 7, a filter plate 103 is provided on the top surface of the collecting frame 101, a negative pressure pump 102 is provided on the side of the collecting frame 101, and a negative pressure tube 105 is provided at the output end of the negative pressure pump 102. A connecting tube 104 is provided on the surface array of the negative pressure tube 105, and the connecting tube 104 passes through the side of the collecting frame 101, through holes 10 are evenly opened on the surface of the conveyor belt 6, and the through holes 10 pass through the surface of the conveyor belt 6, a driving shaft 9 and a driven shaft 12 are provided in the main frame 7, and the driving shaft 9 and the driven shaft 12 are respectively rotatably connected to the main frame 7, and the conveyor belt 6 is nested in the surface of the driving shaft 9 and the driven shaft 12, a conveying motor 19 is provided in the main frame 7, and the output end of the conveying motor 19 is fixedly connected to one end of the driving shaft 9.

[0039] Specifically, in the adsorption component 1, the collecting frame 101 is located between the conveyor belts 6 and can be pulled out from the side of the main frame 7. The filter plate 103 on the top surface of the collecting frame 101 can not only support the conveyor belt 6, but also when the negative pressure pump 102 adsorbs the cardboard flatly on the conveyor belt 6, the dust and debris in the coating frame 20 can also enter the adsorption component 1 through the through holes 10 on the surface of the conveyor belt 6. Driven by the conveying motor 19, the conveyor belt 6 will move with the cardboard on the top surface of the adsorption component 1.

[0040] The implementation principle of a coating device for cardboard processing in the first embodiment of the present application is as follows: in the adsorption component 1, the collection frame 101 is located between the conveyor belts 6 and can be pulled out from the side of the main frame 7. The filter plate 103 on the top surface of the collection frame 101 can not only support the conveyor belt 6, but also when the negative pressure pump 102 adsorbs the cardboard flatly on the conveyor belt 6, the dust and debris in the coating frame 20 can also enter the adsorption component 1 through the through hole 10 on the surface of the conveyor belt 6. This design makes the protective film on the surface of the cardboard less wrinkled during the coating process, thereby improving the cardboard. Laminating quality, when the device is laminating the cardboard, the cardboard is first placed on the conveyor belt 6, and then before the cardboard enters the laminating frame 20, the cleaning component 3 will remove the dust on the surface of the cardboard, and when the cardboard enters the laminating frame 20, the pressing component 2 will press the protective film on the surface of the cardboard, and then in the process of the cardboard moving, the protective film is sequentially covered on the surface of the cardboard, and then when the laminated cardboard is conveyed to the outside of the laminating frame 20, the cutting component 5 will cut off the excess protective film, and in the process of the cardboard moving in the laminating frame 20, the adsorption component 1 will tightly adsorb the cardboard and fit it to the surface of the conveyor belt 6.

[0041] Example 2: Reference Figure 1 , Figure 2 , Figure 3 , Figure 6 and Figure 7The cleaning component 3 includes a cleaning frame 302, a lifting groove 14 is opened on the side of the coating frame 20, a lifting screw rod 303 is arranged in the lifting groove 14, and the lifting screw rod 303 is threadedly connected with the cleaning frame 302, a lifting motor 301 is fixed to the top of the lifting screw rod 303, a cleaning groove 304 is opened on the side of the cleaning frame 302, and a cleaning fan 305 is arranged in an array in the cleaning groove 304.

[0042] Specifically, in the cleaning component 3, driven by the lifting motor 301, the lifting screw 303 brings the cleaning frame 302 downward to contact the cardboard, and then the cleaning groove 304 on the side of the cleaning frame 302 will scrape the dust adhered to the surface of the cardboard, and then the cleaning fan 305 in the cleaning groove 304 will blow away the scraped dust. The cleaning groove 304 is an inclined groove, which is convenient for the installation of the cleaning fan 305 and the scraping of the dust on the surface of the cardboard.

[0043] The implementation principle of a laminating device for cardboard processing in the second embodiment of the present application is as follows: in the cleaning component 3, under the drive of the lifting motor 301, the lifting screw 303 brings the cleaning frame 302 downward to contact the cardboard, and then the cleaning slot 304 on the side of the cleaning frame 302 will scrape the dust adhered to the surface of the cardboard, and then the cleaning fan 305 in the cleaning slot 304 will blow off the scraped dust, so that the amount of bubbles generated on the surface of the cardboard during lamination is reduced, the electric bonding between the cardboard and the protective film is improved, and the qualified rate of the product is improved. .

[0044] Example 3: Reference Figure 1-Figure 9 The pressing component 2 includes a mounting frame 202, a lifting cylinder 201 is provided on the top surface of the laminating frame 20, and the output end of the lifting cylinder 201 is fixedly connected to the top surface of the mounting frame 202, a laminating roller 203 is provided in the mounting frame 202, and the laminating roller 203 is rotatably connected to the mounting frame 202, a fixed block 11 is provided on the bottom surface of the laminating frame 20, a reel 15 is provided between the fixed blocks 11, and the reel 15 is rotatably connected to the fixed blocks 11, a laminating motor 16 is provided on the surface of the fixed block 11, and the output end of the laminating motor 16 is fixedly connected to one end of the reel 15, a sealing box 8 is provided on the top surface of the laminating frame 20, and the cutting component 5 includes a fixing plate 501, a fixing plate An adjusting groove 502 is provided on the bottom surface of 501, and an adjusting screw rod 506 and an adjusting block 503 are provided in the adjusting groove 502, and the adjusting block 503 is axially symmetrical with respect to the fixed plate 501, and the adjusting blocks 503 are respectively threadedly connected with the adjusting screw rod 506, an adjusting motor 507 is fixed to one end of the adjusting screw rod 506, a sensor 504 is provided on the side of the adjusting block 503, a cutting blade 505 is fixed to the inner side of the adjusting block 503, a pushing frame 18 is respectively provided on the front and back sides of the laminating frame 20, and the pushing frame 18 passes through the laminating frame 20, an electric telescopic rod 13 is provided between the pushing frame 18 and the laminating frame 20, and a positioning strip 17 is provided at one end of the pushing frame 18.

[0045] Specifically, two groups of reels 15 are provided on the laminating frame 20, one group is a protective film roll, and the sealing box 8 is covered on the top of the protective film roll, and the other group of reels 15 is for winding waste materials. The pressing component 2 can be adjusted up and down according to the thickness of the cardboard, and in the cutting component 5, the sensor 504 corresponds to the positioning strip 17 at one end of the pushing frame 18. The positioning strip 17 can detect the width of the cardboard during the process of shaping and positioning the cardboard. Then, under the action of the sensor 504, the adjustment motor 507 drives the adjustment screw rod 506 to drive the adjustment block 503 to move to both sides of the cardboard respectively. Then, after the cardboard is laminarized, the cutting blade 505 on the inner side of the adjustment block 503 will cut off the excess protective film on the cardboard. The length of the positioning strip 17 is relatively long, which is convenient for docking and sensing with the sensor 504 on the side of the adjustment block 503.

[0046] A controller 4 is provided on the surface of the laminating frame 20, and the controller 4 is electrically connected to the negative pressure pump 102, the lifting motor 301, the cleaning fan 305, the sensor 504, the adjustment motor 507, the electric telescopic rod 13, the laminating motor 16 and the conveying motor 19 respectively.

[0047] The implementation principle of a laminating device for cardboard processing in Example 3 of the present application is as follows: the pressing component 2 can be adjusted up and down according to the thickness of the cardboard, and in the cutting component 5, the sensor 504 corresponds to the positioning bar 17 at one end of the pushing frame 18, and the positioning bar 17 can detect the width of the cardboard during the process of shaping and positioning the cardboard. Then, under the action of the sensor 504, the adjusting motor 507 drives the adjusting screw rod 506 to drive the adjusting block 503 to move to both sides of the cardboard respectively, and then after the cardboard is laminated, the cutting blade 505 on the inner side of the adjusting block 503 will cut off the excess protective film on the cardboard. These designs enable the device to be quickly adjusted and perform laminating operations on cardboards of different sizes and thicknesses, thereby improving the adaptability of the device.

[0048] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention. These changes and improvements fall within the scope of the present invention. The scope of protection claimed by the present invention is defined by the attached claims and their equivalents.

Claims

1. A laminating device for cardboard processing, comprising a main frame (7), characterized in that: A conveyor belt (6) is provided inside the main frame (7), an adsorption component (1) for adsorbing cardboard is provided between the conveyor belts (6), and the adsorption component (1) passes through the side of the main frame (7), a laminating frame (20) is provided on the top surface of the main frame (7), a cleaning component (3) for removing dust from the surface of the cardboard is provided on the side of the laminating frame (20), a pressing component (2) for adjusting the laminating height is provided in the laminating frame (20), and a cutting component (5) for cutting excess protective film is provided on the side of the laminating frame (20).

2. A laminating device for cardboard processing according to claim 1, characterized in that: The adsorption assembly (1) comprises a collection frame (101), and the collection frame (101) passes through the side of the main frame (7); a filter plate (103) is provided on the top surface of the collection frame (101); a negative pressure pump (102) is provided on the side of the collection frame (101); a negative pressure tube (105) is provided at the output end of the negative pressure pump (102); a connecting tube (104) is provided on the surface array of the negative pressure tube (105); and the connecting tube (104) passes through the side of the collection frame (101); and through holes (10) are evenly opened on the surface of the conveyor belt (6); and the through holes (10) pass through the surface of the conveyor belt (6).

3. A laminating device for cardboard processing according to claim 2, characterized in that: A driving shaft (9) and a driven shaft (12) are provided in the main frame (7), and the driving shaft (9) and the driven shaft (12) are respectively rotatably connected to the main frame (7), and the conveyor belt (6) is nested on the surfaces of the driving shaft (9) and the driven shaft (12). A conveying motor (19) is provided in the main frame (7), and the output end of the conveying motor (19) is fixedly connected to one end of the driving shaft (9).

4. A laminating device for cardboard processing according to claim 3, characterized in that: The cleaning component (3) comprises a cleaning frame (302), a lifting groove (14) is provided on the side of the coating frame (20), a lifting screw (303) is provided in the lifting groove (14), and the lifting screw (303) is threadedly connected to the cleaning frame (302), a lifting motor (301) is fixed to the top of the lifting screw (303), a cleaning groove (304) is provided on the side of the cleaning frame (302), and a cleaning fan (305) is arranged in an array in the cleaning groove (304).

5. The laminating device for cardboard processing according to claim 4, characterized in that: The pressing assembly (2) comprises a mounting frame (202); a lifting cylinder (201) is provided on the top surface of the coating frame (20); and the output end of the lifting cylinder (201) is fixedly connected to the top surface of the mounting frame (202); a coating roller (203) is provided in the mounting frame (202); and the coating roller (203) is rotatably connected to the mounting frame (202).

6. A laminating device for cardboard processing according to claim 5, characterized in that: A fixed block (11) is provided on the bottom surface of the laminating frame (20), a reel (15) is provided between the fixed blocks (11), and the reel (15) is rotatably connected to the fixed blocks (11), a laminating motor (16) is provided on the surface of the fixed blocks (11), and the output end of the laminating motor (16) is fixedly connected to one end of the reel (15), and a sealing box (8) is provided on the top surface of the laminating frame (20).

7. A laminating device for cardboard processing according to claim 6, characterized in that: The cutting assembly (5) comprises a fixed plate (501), the bottom surface of the fixed plate (501) is provided with an adjustment slot (502), the adjustment slot (502) is provided with an adjustment screw rod (506) and an adjustment block (503), the adjustment block (503) is axially symmetrical with respect to the fixed plate (501), the adjustment blocks (503) are respectively threadedly connected to the adjustment screw rod (506), and an adjustment motor (507) is fixed to one end of the adjustment screw rod (506).

8. The laminating device for cardboard processing according to claim 7, characterized in that: A sensor (504) is provided on the side of the adjustment block (503), a cutting blade (505) is fixed on the inner side of the adjustment block (503), a pushing frame (18) is provided on the front and back sides of the laminating frame (20), and the pushing frame (18) passes through the laminating frame (20), an electric telescopic rod (13) is provided between the pushing frame (18) and the laminating frame (20), and a positioning strip (17) is provided at one end of the pushing frame (18).

9. A laminating device for cardboard processing according to claim 8, characterized in that: A controller (4) is provided on the surface of the laminating frame (20), and the controller (4) is electrically connected to the negative pressure pump (102), the lifting motor (301), the cleaning fan (305), the sensor (504), the adjustment motor (507), the electric telescopic rod (13), the laminating motor (16) and the conveying motor (19), respectively.

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