A material discharging and trimming device for laminating production

Abstract

The present invention relates to the technical field of film coating production, and specifically to a discharge trimming device for film coating production, which is used to cut the edge of the film coating, and includes: a cutting table, the top of which is fixedly connected to two symmetrical fixed tables; a cutting mechanism, which includes a rotating shaft rotatably connected to the outer walls of the two fixed tables on opposite sides, and the outer wall of the rotating shaft is fixedly connected to two symmetrical circular cutting blades for roughly cutting the film coating. The cutting mechanism is set up by using a combination of a circular cutting blade and a rectangular cutting blade, and a rough cutting is performed first, and then a fine cutting is performed. The setting of the squeezing roller and the pressure ring can effectively prevent the film from loosening during the cutting process, maintain the stability during the cutting process, avoid the position deviation of the uncut part, ensure that the edge of the film coating is accurately trimmed, and improve the cutting efficiency and quality.

Description

Technical Field

[0001] The invention relates to the technical field of laminating film trimming, and in particular to a material discharging and trimming device for laminating film production. Background Art

[0002] With the development of industrial technology, the film making technology of modern industry has become more and more perfect. Among them, laminating is a commonly used paint film for decoration. This kind of paint film is corrosion-resistant, friction-resistant and has a long service life. The key is that the production of laminating is simple and the cost is low. In industrial processing, laminating will be used in large quantities. After the production of laminating is completed, it needs to be trimmed. Its main purpose is to remove excess laminating material, make the edges neat and beautiful, ensure accurate size, adapt to subsequent processing, and improve the durability of the product.

[0003] The existing laminated film trimming device usually clamps and flattens the two sides of the laminated film that need to be cut, the purpose of which is to reduce wrinkles and ripples, maintain the stability of the cutting position, and reduce deformation and displacement after cutting, thereby improving the cutting quality and reducing material damage, and then performs a one-time cutting. In this way, during the cutting process, since the tension of the laminated film that has been cut disappears, and the laminated film has a certain elasticity and stretchability, the stress redistribution and elastic properties of the laminated film after cutting will cause deformation or displacement of the laminated film, thereby affecting the overall positioning, and therefore will directly affect the position of the uncut laminated film, resulting in uneven cutting or material damage. For example, the application number CN202310558441.2 discloses a laminated paper conveying and cutting mechanism, which can press the laminated paper through a fixed guide shaft and a movable guide shaft when conveying the laminated paper, and can limit the laminated paper through a limit cam and a limit concave disc, thereby reducing the probability of the laminated paper being offset during the conveying process, so that the above situation will occur during cutting. Summary of the invention

[0004] In view of the above-mentioned shortcomings of the prior art, the present invention provides a discharging and trimming device for laminating production, which can effectively solve the problem of stress redistribution and elastic properties of the laminating film after cutting in the prior art causing deformation or displacement of the laminating film.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] The present invention provides a discharge and edge cutting device for laminating film production, which is used for cutting the edge of the laminating film and comprises:

[0007] A cutting table, the top of which is fixedly connected to two symmetrical fixing tables;

[0008] A cutting mechanism, the cutting mechanism comprising a rotating shaft rotatably connected to the outer walls of two opposite sides of two fixed tables, one of the fixed tables being fixedly connected to a second motor for driving the rotating shaft, the outer wall of the rotating shaft being fixedly connected to two symmetrical circular cutting blades for roughly cutting the laminated film, the top of the cutting table being fixedly connected to two symmetrical supporting tables for supporting the laminated film, an electromagnetic plate being slidably connected to the outer wall of one side of the supporting table close to the fixed table, a rectangular cutting blade for finely cutting the edge of the laminated film being fixedly connected to the top of the electromagnetic plate, and the cutting mechanism further comprising a fixing component for preventing the laminated film from loosening during cutting;

[0009] A grinding mechanism, the grinding mechanism includes two symmetrical moving blocks slidably connected at the top of the cutting table close to the two fixed tables, and the circular cutting blade is located between the two moving blocks, the outer walls on the opposite sides of the two moving blocks are fixedly connected with a first arc-shaped grinding stone for grinding the circular cutting blade, the two support tables are respectively fixedly connected with a fixed plate on the outer wall on one side close to the fixed table, the rectangular cutting blade is located between the fixed plate and one of the moving blocks, the fixed plate is fixedly connected with a first electric telescopic rod on the side close to the rectangular cutting blade, the telescopic end of the first electric telescopic rod is fixedly connected with the moving plate, and the moving plate is fixedly connected with two symmetrical second arc-shaped grinding stones for grinding the rectangular cutting blade on the side close to the rectangular cutting blade.

[0010] Preferably, two staggered and symmetrical conveying rollers are arranged between the two fixed tables, wherein the top end of one of the conveying rollers and the bottom end of the other conveying roller are in the same horizontal plane, and the two conveying rollers are commonly connected to a transmission assembly, wherein the outer wall of one of the fixed tables is fixedly connected to a first motor for driving one of the conveying rollers, the coating film is wound around the outer wall of one of the conveying rollers located above, and the other conveying roller is used for winding up the coating film.

[0011] Preferably, the fixing assembly comprises an extrusion roller rotatably arranged between two fixing platforms, the outer wall of the extrusion roller is fixedly connected with a plurality of pressure rings, and the pressure rings are all located on the fixing platform and the supporting platform.

[0012] Preferably, the grinding mechanism also includes two fixed tables with bidirectional screws rotatably arranged on opposite sides, and the outer wall of the fixed table close to the first motor is fixedly connected to a third motor for driving one of the bidirectional screws, and the bidirectional screw threads pass through the two fixed plates, and the two bidirectional screws are commonly fixedly connected to a connecting rod that slides through the support table, one end of the two fixed plates is fixedly connected to an infrared panel, and the other end of the two fixed plates is fixedly connected to an infrared receiver for receiving infrared rays, and the infrared receiver and the electrical signals of the third motor are connected to a PLC controller to form a first grinding circuit.

[0013] Preferably, two symmetrical return springs are fixedly connected between the bottom end of the electromagnetic plate and the cutting table, a permanent magnet is fixedly connected to the top of the cutting table, and the permanent magnet is directly below the electromagnetic plate, and a pressure sensor is embedded in the lower part of the second arc-shaped grinding stone, and the pressure sensor, the first electric telescopic rod and the PLC controller are electrically connected to form a second grinding circuit.

[0014] Preferably, a connecting plate is fixedly connected to the opposite sides of the two fixed platforms, two second electric telescopic rods are fixedly connected to the bottom ends of the connecting plates, the telescopic ends of the second electric telescopic rods are fixedly connected to the first tension sensor, and a first tension spring is arranged between the two first tension sensors.

[0015] Preferably, an extension plate is fixedly connected to the outer wall of one side of the connecting plate close to the circular cutting blade, and two third electric telescopic rods are fixedly connected to the bottom end of the extension plate, and a second tension sensor is fixedly connected to the bottom end of the third electric telescopic rod, and a second tension spring is arranged between the two second tension sensors, and a plurality of vertical bars for extruding the laminating film are fixedly connected to the bottom ends of the first tension sensor and the second tension sensor, and the first tension sensor is respectively located above the two moving blocks, and the two second tension sensors are respectively located above the moving block close to the support platform and above the moving block.

[0016] Preferably, a water storage cavity is provided in the fixed platform and the supporting platform, a water pump is fixedly connected in the water storage cavity, a water spray head is embedded in the outer walls of the two fixed platforms on opposite sides, a water spray head is also fixedly connected on the side of the supporting platform close to the fixed platform, the water pumping end of the water pump is located in the water storage cavity, the water discharge end of the water pump is connected to the water spray head, the first tension sensor, the second tension sensor, the water pump and the PLC controller are electrically connected to form a control polishing circuit.

[0017] Compared with the known prior art, the technical solution provided by the present invention has the following beneficial effects:

[0018] 1. The cutting mechanism adopts a combination of circular cutting blades and rectangular cutting blades to perform rough cutting first and then fine cutting. The setting of squeezing rollers and pressure rings can effectively prevent the laminating film from loosening during the cutting process, maintain the stability of the cutting process, avoid the position deviation of the uncut part, ensure the edge of the laminating film is accurately trimmed, and improve the cutting efficiency and quality.

[0019] 2. The grinding mechanism can automatically determine whether grinding is needed according to the cutting state of the blade. When grinding is needed, the circular and rectangular cutting blades can be automatically ground in real time to ensure that the blade always maintains a good cutting state, improve the cutting effect and reduce maintenance work. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0022] Figure 2 It is a schematic diagram of a partial cross-sectional three-dimensional structure of the present invention. Figure 1 ;

[0023] Figure 3 It is a schematic diagram of a partial cross-sectional three-dimensional structure of the present invention. Figure 2 ;

[0024] Figure 4 It is a schematic diagram of a partial cross-sectional three-dimensional structure of the present invention. Figure 3 ;

[0025] Figure 5 It is a partial three-dimensional structural schematic diagram of the present invention;

[0026] Figure 6 It is a schematic diagram of the cross-sectional three-dimensional structure of the moving block of the present invention.

[0027] Figure numerals: 1, cutting table; 2, fixed table; 31, rotating shaft; 32, circular cutting blade; 33, supporting table; 34, electromagnetic plate; 35, rectangular cutting blade; 36, fixed assembly; 361, squeezing roller; 362, pressing ring; 41, moving block; 42, first arc grinding stone; 43, fixed plate; 44, first electric telescopic rod; 45, moving plate; 46, second arc grinding stone; 47, bidirectional screw; 48, third motor; 49, water spray head; 410, connection rod; 411, infrared panel; 412, infrared receiver; 413, reset spring; 414, permanent magnet; 415, water pump; 416, water storage chamber; 417, connecting plate; 418, second electric telescopic rod; 419, first tension sensor; 420, first tension spring; 421, extension plate; 422, third electric telescopic rod; 423, second tension sensor; 424, vertical bar; 5, conveyor roller; 6, first motor; 7, second motor; 8, coating. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution 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. 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.

[0029] The present invention will be further described below in conjunction with the embodiments.

[0030] Example: Refer to Figures 1 to 6 , a discharge trimming device for laminating film production, the device is used to cut the edge of the laminating film 8, comprising:

[0031] A cutting table 1, the top of which is fixedly connected to two symmetrical fixed tables 2;

[0032] The following settings can be used to cut the laminated film. Figure 1 , a cutting mechanism, the cutting mechanism includes a rotating shaft 31 rotatably connected to the outer wall of the two fixed tables 2 on opposite sides, a second motor 7 for driving the rotating shaft 31 is fixedly connected to one of the fixed tables 2, two symmetrical circular cutting blades 32 for roughly cutting the laminated film 8 are fixedly connected to the outer wall of the rotating shaft 31, two symmetrical supporting tables 33 for supporting the laminated film 8 are fixedly connected to the top of the cutting table 1, an electromagnetic plate 34 is slidably connected to the outer wall of one side of the supporting table 33 close to the fixed table 2, a rectangular cutting blade 35 for finely cutting the edge of the laminated film 8 is fixedly connected to the top of the electromagnetic plate 34, and the cutting mechanism also includes a fixing component 36 for preventing the laminated film 8 from loosening during cutting;

[0033] The fixing assembly 36 includes a squeezing roller 361 rotatably arranged between the two fixing platforms 2 . The outer wall of the squeezing roller 361 is fixedly connected with a plurality of pressing rings 362 , and the pressing rings 362 are all located on the fixing platform 2 and the supporting platform 33 .

[0034] The cutting blade is ground through the following specific structure, refer to Figures 3 to 6, a grinding mechanism, the grinding mechanism includes two symmetrical moving blocks 41 slidably connected at the top of the cutting table 1 and close to the two fixed tables 2, and the circular cutting blade 32 is located between the two moving blocks 41, and the outer walls of the two moving blocks 41 on opposite sides are fixedly connected with first arc-shaped grinding stones 42 for grinding the circular cutting blade 32, and the two support tables 33 are respectively fixedly connected with fixed plates 43 on the outer walls of one side close to the fixed table 2, and the rectangular cutting blade 35 is located between the fixed plate 43 and one of the moving blocks 41, and the fixed plate 43 is fixedly connected with a first electric telescopic rod 44 on one side close to the rectangular cutting blade 35, and the telescopic end of the first electric telescopic rod 44 is fixedly connected with a moving plate 45, and the moving plate 45 is fixedly connected with two symmetrical second arc-shaped grinding stones 46 for grinding the rectangular cutting blade 35 on one side close to the rectangular cutting blade 35;

[0035] The grinding mechanism also includes two fixed tables 2, both of which are rotatably provided with bidirectional screws 47. The outer wall of the fixed table 2 on one side close to the first motor 6 is fixedly connected to a third motor 48 for driving one of the bidirectional screws 47. The bidirectional screw 47 threads through the two fixed plates 43. The two bidirectional screws 47 are commonly fixedly connected to a connecting rod 410 that slides through the support table 33. One end of the two fixed plates 43 is fixedly connected to an infrared panel 411. The other end of the two fixed plates 43 is fixedly connected to an infrared receiver 412 for receiving infrared rays. The infrared receiver 412 and the electrical signals of the third motor 48 are connected to a PLC controller to form a first grinding circuit.

[0036] Two symmetrical return springs 413 are fixedly connected between the bottom end of the electromagnetic plate 34 and the cutting table 1. A permanent magnet 414 is fixedly connected to the top of the cutting table 1, and the permanent magnet 414 is directly below the electromagnetic plate 34. A pressure sensor is embedded in the lower part of the second arc-shaped grinding stone 46. The pressure sensor, the first electric telescopic rod 44 and the PLC controller are electrically connected to form a second grinding circuit.

[0037] A connecting plate 417 is fixedly connected to the opposite sides of the two fixed platforms 2, and two second electric telescopic rods 418 are fixedly connected to the bottom end of the connecting plate 417, and the telescopic end of the second electric telescopic rod 418 is fixedly connected to a first tension sensor 419, and a first tension spring 420 is arranged between the two first tension sensors 419; an extension plate 421 is fixedly connected to the outer wall of the connecting plate 417 on one side close to the circular cutting blade 32, and two third electric telescopic rods 422 are fixedly connected to the bottom end of the extension plate 421, and a second tension sensor 423 is fixedly connected to the bottom end of the third electric telescopic rod 422, and a second tension sensor 423 is fixedly connected to the bottom end of the two second tension sensors 423; a plurality of vertical bars 424 for extruding the laminating film 8 are fixedly connected to the bottom ends of the first tension sensor 419 and the second tension sensor 423; the first tension sensor 419 is respectively located above the two moving blocks 41, and the two second tension sensors 423 are respectively located above the moving block 41 close to the support platform 33 and above the moving block 41.

[0038] A water storage chamber 416 is provided in the fixed platform 2 and the support platform 33, and a water pump 415 is fixedly connected to the water storage chamber 416. A water spray head 49 is embedded in the outer walls of the two fixed platforms 2 on opposite sides, and a water spray head 49 is also fixedly connected to the side of the support platform 33 close to the fixed platform 2. The water pumping end of the water pump 415 is located in the water storage chamber 416, and the water discharge end of the water pump 415 is connected to the water spray head 49. The first tension sensor 419, the second tension sensor 423, and the water pump 415 are electrically connected to the PLC controller to form a control polishing circuit.

[0039] Two staggered and symmetrical conveying rollers 5 are arranged between the two fixed tables 2, wherein the top end of one conveying roller 5 and the bottom end of the other conveying roller 5 are in the same horizontal plane, and the two conveying rollers 5 are commonly connected to a transmission component, wherein the outer wall of one of the fixed tables 2 is fixedly connected to a first motor 6 for driving one of the conveying rollers 5, and the coating film 8 is wound around the outer wall of one of the conveying rollers 5 located above, and the other conveying roller 5 is used for winding up the coating film 8.

[0040] A second motor 7 for driving the rotating shaft 31 is fixedly connected to an outer wall of the fixing platform 2 near the first motor 6. The second motor 7 and the first motor 6 are connected in series with an external power source.

[0041] Before cutting the coating film 8, the coating film 8 needs to pass under the two squeezing rollers 361 and then be wound around another conveying roller 5. When the first motor 6 is started, the second motor 7 is started at the same time. The first motor 6 drives the transmission roller to rotate to release the coating film 8, and the transmission assembly drives another transmission roller to reel in the coating film 8.

[0042] The working principle of the present invention is as follows:

[0043] By starting the second motor 7, the drive shaft 31 is rotated, and by continuously retracting and releasing the laminate film 8, the laminate film 8 is continuously moved toward the circular cutting blade 32 and the rectangular cutting blade 35, and then the edge portion of most of the laminate film 8 is roughly cut by the rotation of the circular cutting blade 32, and then the laminate film 8 is moved toward the rectangular cutting blade 35, and then the laminate film 8 is further finely cut, and the extrusion of the laminate film 8 by the pressure ring 362 on the extrusion roller 361 can prevent the laminate film 8 from affecting the position of the uncut laminate film 8 after cutting, and by cutting most of the laminate film 8 for the first time, the tensile force and elastic force of the subsequent cutting of the laminate film 8 can be reduced, and deformation or displacement of the laminate film 8 due to the stretchability and elasticity of the laminate film 8 during fine cutting can be prevented.

[0044] Furthermore, when cutting, when the circular cutting blade 32 is not sharp, cutting the coating 8 will make the edge of the coating 8 rough, and because the blade is not sharp, the coating 8 may be pulled after cutting the coating 8, causing the coating 8 to shift in position. The pulling of the coating 8 will cause the two first tension sensors 419 to move toward the middle, thereby causing the first tension spring 420 to contract, thereby reducing the tension on the two first tension sensors 419, and the first tension sensor 419 will send an electrical signal to the PLC controller, and the PLC controller will detect the tension of the two first tension sensors 419. The controller controls the third motor 48 to start, the infrared receiver 412 to start, and the infrared transmitter to emit infrared rays, and drives one of the bidirectional screws 47 to rotate through the third motor 48, and then drives the other bidirectional screw 47 to rotate through the connecting rod 410, so that the two moving blocks 41 move between the two moving blocks 41, and then drives the first arc-shaped grinding stone 42 to move synchronously. When the two first arc-shaped grinding stones 42 contact the circular cutting blade 32, the infrared rays emitted by the infrared transmitter will be blocked by the circular cutting blade 32 and the first arc-shaped grinding stone 42, so the infrared receiver 412 will not receive the infrared rays, and the infrared receiver 412 will send an electrical signal to the PLC controller, and then the third motor 48 stops running through the PLC controller, and then the water pump 415 in the two moving blocks 41 is started, and the water in the water storage tank is pumped out by the water pump 415, and then the water is sprayed on the circular cutting blade 32 through the water spray head 49, and then the circular cutting blade 32 is rotated to grind the circular cutting blade 32;

[0045] When the rectangular cutting blade 35 is not sharp, cutting the coating 8 will make the edge of the coating 8 rough, and because the blade is not sharp, when cutting the coating 8, the coating 8 may be pulled to cause the position of the coating 8 to shift. The pulling of the coating 8 will cause the two second tension sensors 423 to move toward the middle, so that the second tension spring will contract, which will reduce the tension on the two second tension sensors 423. The second tension sensors 423 will send an electrical signal to the PLC controller, and the PLC controller will detect the tension. The controller controls the first electric telescopic rod 44 to start, thereby pushing the moving plate 45 to move in the direction of the rectangular cutting blade 35, thereby driving the two second arc-shaped grinding stones 46 to move synchronously. When the rectangular cutting blade 35 contacts the second arc-shaped grinding stone 46, it will squeeze the pressure sensor, and the pressure sensor controls the PLC controller to stop the first electric telescopic rod 44 and pump water through the water pump 415 in the support platform 33. The water in the water storage tank is pumped out by the water pump 415, and then on the rectangular cutting blade 35 through the water spray head 49, and AC is passed into the electromagnet through the PLC controller, so that the electromagnet is attracted to the magnet and then repelled, and this cycle is repeated, thereby making the rectangular cutting blade 35 move up and down between the two second grinding stones to achieve the grinding effect.

[0046] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A discharge and trimming device for laminating film production, the device being used for cutting the edge of a laminating film (8), characterized in that: include: A cutting table (1), wherein the top end of the cutting table (1) is fixedly connected to two symmetrical fixing tables (2); A cutting mechanism, the cutting mechanism comprising a rotating shaft (31) rotatably connected to the outer walls of opposite sides of two fixed tables (2), wherein a second motor (7) for driving the rotating shaft (31) is fixedly connected to one of the fixed tables (2), two symmetrical circular cutting blades (32) for roughly cutting the coating film (8) are fixedly connected to the outer wall of the rotating shaft (31), two symmetrical supporting tables (33) for supporting the coating film (8) are fixedly connected to the top of the cutting table (1), an electromagnetic plate (34) is slidably connected to the outer wall of one side of the supporting table (33) close to the fixed table (2), and a rectangular cutting blade (35) for finely cutting the edge of the coating film (8) is fixedly connected to the top of the electromagnetic plate (34), and the cutting mechanism also comprises a fixing component (36) for preventing the coating film (8) from loosening during cutting; A grinding mechanism, the grinding mechanism comprising two symmetrical moving blocks (41) slidably connected at the top of the cutting table (1) and respectively close to the two fixed tables (2), the circular cutting blade (32) being located between the two moving blocks (41), the outer walls of the two moving blocks (41) on opposite sides being fixedly connected with first arc-shaped grinding stones (42) for grinding the circular cutting blade (32), the outer walls of the two supporting tables (33) being respectively close to the fixed tables (2) being fixedly connected with a fixing plate (43), the rectangular cutting blade (35) being located between the fixing plate (43) and one of the moving blocks (41), the fixing plate (43) being fixedly connected with a first electric telescopic rod (44) on a side close to the rectangular cutting blade (35), the telescopic end of the first electric telescopic rod (44) being fixedly connected with the moving plate (45), and the moving plate (45) being fixedly connected with two symmetrical second arc-shaped grinding stones (46) for grinding the rectangular cutting blade (35) on a side close to the rectangular cutting blade (35); A connecting plate (417) is fixedly connected to opposite sides of the two fixed platforms (2); two second electric telescopic rods (418) are fixedly connected to the bottom end of the connecting plate (417); a first tension sensor (419) is fixedly connected to the telescopic end of the second electric telescopic rod (418); and a first tension spring (420) is provided between the two first tension sensors (419); An extension plate (421) is fixedly connected to the outer wall of one side of the connecting plate (417) close to the circular cutting blade (32); two third electric telescopic rods (422) are fixedly connected to the bottom end of the extension plate (421); a second tension sensor (423) is fixedly connected to the bottom end of the third electric telescopic rod (422); a second tension spring is arranged between the two second tension sensors (423); a plurality of vertical bars (424) for extruding the laminating film (8) are fixedly connected to the bottom ends of the first tension sensor (419) and the second tension sensor (423); the first tension sensor (419) is respectively located above the two moving blocks (41); and the two second tension sensors (423) are respectively located above the moving block (41) close to the support platform (33) and above the moving block (41).

2. A discharge and trimming device for laminating production according to claim 1, characterized in that: Two staggered and symmetrical conveying rollers (5) are arranged between the two fixed tables (2), wherein the top end of one of the conveying rollers (5) is in the same horizontal plane as the bottom end of the other conveying roller (5), and the two conveying rollers (5) are connected to a transmission assembly for common transmission, wherein the outer wall of one of the fixed tables (2) is fixedly connected to a first motor (6) for driving one of the conveying rollers (5), the coating film (8) is wound around the outer wall of one of the conveying rollers (5) located above, and the other conveying roller (5) is used to roll up the coating film (8).

3. A discharge and trimming device for laminating production according to claim 2, characterized in that: The fixing assembly (36) comprises a squeezing roller (361) rotatably arranged between two fixing platforms (2), the outer wall of the squeezing roller (361) being fixedly connected to a plurality of pressing rings (362), and the pressing rings (362) are all located on the fixing platform (2) and the supporting platform (33).

4. A discharge and trimming device for laminating production according to claim 1, characterized in that: The grinding mechanism further comprises two fixed platforms (2) each having a bidirectional screw (47) rotatably arranged on one side opposite to the other; a third motor (48) for driving one of the bidirectional screws (47) is fixedly connected to an outer wall of the fixed platform (2) close to the first motor (6); the bidirectional screw (47) is threadedly passed through the two fixed plates (43); the two bidirectional screws (47) are commonly fixedly connected to a connecting rod (410) that slidably passes through the support platform (33); one end of the two fixed plates (43) is fixedly connected to an infrared panel (411); the other end of the two fixed plates (43) is fixedly connected to an infrared receiver (412) for receiving infrared rays; the infrared receiver (412) and the third motor (48) are connected to a PLC controller through electrical signals to form a first grinding circuit.

5. The discharging and trimming device for laminating production according to claim 1, characterized in that: Two symmetrical return springs (413) are fixedly connected between the bottom end of the electromagnetic plate (34) and the cutting table (1); a permanent magnet (414) is fixedly connected to the top end of the cutting table (1), and the permanent magnet (414) is located directly below the electromagnetic plate (34); a pressure sensor is embedded in the lower part of the second arc-shaped grinding stone (46); the pressure sensor, the first electric telescopic rod (44) and the PLC controller are electrically connected to form a second grinding circuit.

6. The discharging and trimming device for laminating production according to claim 1, characterized in that: The fixed platform (2) and the support platform (33) are both provided with a water storage cavity (416), and a water pump (415) is fixedly connected to the water storage cavity (416). A water spray head (49) is embedded in the outer wall of the two fixed platforms (2) on opposite sides, and a water spray head (49) is also fixedly connected to the side of the support platform (33) close to the fixed platform (2). The water pumping end of the water pump (415) is located in the water storage cavity (416), and the water discharge end of the water pump (415) is connected to the water spray head (49). The first tension sensor (419), the second tension sensor (423), and the water pump (415) are electrically connected to a PLC controller to form a control polishing circuit.

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