A front and back surface correction and recognition device of a film sticking machine

Abstract

The utility model discloses a kind of front and back face correction identification devices of laminator, it is related to laminator technical field, including material taking manipulator, visual identification device, transfer platform, turnover mechanism and NG material collecting clip, the material taking manipulator is used to pick up material, and material is transferred to transfer platform or next laminating station, the visual identification device is installed on material taking manipulator, for real-time identification material state, the transfer platform is installed on rack side, for placing material, the turnover mechanism is installed on rack, for picking up material on transfer platform, and material is turned over and placed again on transfer platform, or pick up NG product of transfer platform, and NG product is placed in NG material collecting clip. The utility model front and back face correction identification device of laminator can realize the front and back of material glass, automatically correct the wrong side of material glass, automatically store NG product, not only can improve work efficiency, improve productivity, reduce the work intensity of staff, applicable to high-precision, large-scale production demand.

Description

Technical Field

[0001] This utility model relates to the technical field of film applicators, specifically to a front and back correction and identification device for film applicators. Background Technology

[0002] Existing technologies screen frosted and glossy BG glass to prevent products from being incorrectly placed in the next process and scrapped after processing. The current method involves manual sorting on-site, mainly distinguishing products by observing gloss, feel, reflectivity, and light transmittance. 1. Observe the gloss and reflection. Glossy: The surface is smooth and can clearly reflect the images of surrounding objects. It has a strong gloss and produces obvious specular reflection under light.

[0003] Matte finish: The surface is rough and matte, unable to form a clear reflection. When light shines on it, it will diffuse and appear dull.

[0004] 2. Touch sensation Glossy finish: Smooth and delicate to the touch, with no noticeable resistance.

[0005] Matte surface: When touched, you can feel a noticeable roughness with slight resistance, and the texture is similar to fine sandpaper (but finer).

[0006] 3. Comparison of light transmittance Observe the glass against the light source: Glossy surface: Light transmission is more uniform, and objects viewed through the glass are clearer (unless the glass itself has color or pattern).

[0007] Frosted surface: It has slightly lower light transmittance, and light will be scattered when it passes through, making objects appear blurry and unclear when viewed through the glass.

[0008] Employees use a combination of the above methods to distinguish between the frosted and glossy sides of the glass.

[0009] While the above method is intuitive for manually screening and distinguishing between frosted and glossy glass, it has the following drawbacks that may affect screening efficiency and accuracy: 1. Highly susceptible to environmental interference Lighting effect: Too strong or too weak light can interfere with judgment. Under strong light, a matte surface may be mistaken for a glossy surface due to reflection; under weak light, the gloss of a glossy surface is not obvious and can be easily confused with a matte surface.

[0010] Ambient reflection: Reflections from surrounding objects may obscure the surface features of the glass itself. For example, when a glossy surface reflects dark objects from the surrounding area, the glossiness is reduced, making it more difficult to distinguish.

[0011] 2. Relies on subjective judgment, resulting in poor consistency. Different operators have different perception standards: the definition of "roughness" and "gloss" varies from person to person, and misjudgment may occur in the same batch of glass (such as classifying slightly rough glossy glass as frosted, or vice versa).

[0012] Fatigue affects accuracy: After a long period of screening, people's tactile and visual sensitivity decreases, and the misjudgment rate increases.

[0013] 3. Difficulty in identifying special cases Surface contamination: If dust or oil adheres to the glass surface, it will obscure its original characteristics. For example, a frosted surface may appear smooth after being covered in oil, while a glossy surface may lose its luster after being covered in dust, leading to misjudgment.

[0014] Processing defects can interfere with the judgment: If there are scratches or burrs on the glossy surface, or uneven polishing in some areas of the matte surface (resulting in smooth spots), the distinction between the two will be blurred, increasing the difficulty of judgment.

[0015] 4. Low efficiency, unsuitable for large-scale production Manual screening requires checking each piece individually, which is slow and difficult to keep up with the pace of large-volume glass production. In addition, the long-term labor costs are high, making it less economical compared to automated mechanical inspection.

[0016] These shortcomings make manual screening more suitable for small-batch, low-precision scenarios. In high-precision, large-scale production, it is usually necessary to combine it with auxiliary means such as optical inspection equipment to make up for the deficiencies. Utility Model Content

[0017] The purpose of this invention is to provide a front and back correction and identification device for a laminating machine, which aims to solve the above-mentioned technical problems. This invention can automatically identify the front and back of the glass material, automatically correct the wrong side of the glass material, and automatically collect NG products. It can not only improve work efficiency and increase production capacity, but also reduce the workload of employees. It is suitable for high-precision and large-scale production needs.

[0018] To achieve the above objectives, this utility model employs the following technical solution: A front and back correction and identification device for a laminating machine includes a material picking robot, a vision recognition device, a transfer platform, a flipping mechanism, and an NG (non-compliant) receiving clip. The material picking robot is used to pick up materials and transfer them to the transfer platform or the next laminating station. The vision recognition device is installed on the material picking robot and is used to identify the material status in real time. The transfer platform is installed on one side of the machine frame and is used to place materials. The flipping mechanism is installed on the machine frame and is used to pick up materials on the transfer platform and flip them back onto the transfer platform, or pick up NG items from the transfer platform and place them in the NG receiving clip.

[0019] Preferably, the material handling robot includes a multi-directional moving module and a vacuum suction cup. The vacuum suction cup is fixedly mounted on a suction cup fixing plate, and the suction cup fixing plate is fixedly mounted on the output end of the multi-directional moving module. The suction cup fixing plate has an identification mounting position on its side, and the visual recognition device is fixedly mounted on the identification mounting position.

[0020] Preferably, the visual recognition device uses a CCD smart camera.

[0021] Preferably, the transfer platform includes an inverted L-shaped support plate, a U-shaped transfer platform is fixedly installed on the upper horizontal part of the L-shaped support plate, a sensor fixing plate is provided on the lower side of the U-shaped transfer platform, a CCD smart camera is fixedly installed on the sensor fixing plate for identifying the status of the material on the U-shaped transfer platform, and a mounting buckle is provided on the vertical part of the side of the L-shaped support plate, and the transfer platform is installed on the frame by the mounting buckle.

[0022] Preferably, the upper surface of the U-shaped transfer station is provided with an adsorption port, the interior of the U-shaped transfer station is provided with an air passage, and the bottom surface of the U-shaped transfer station is equipped with a pipe connector, which is connected to the air passage inlet and the adsorption port is connected to the air passage.

[0023] Preferably, the flipping mechanism includes a flipping robot, a Z-axis module, and an X-axis module. The flipping robot is mounted on the output end of the Z-axis module and is driven by the Z-axis module to move up and down. The Z-axis module is mounted on the X-axis module and is driven by the X-axis module to move left and right. The X-axis module is fixedly mounted on the frame.

[0024] Preferably, both the Z-axis module and the X-axis module are linear motor modules, and the drive motors used in the linear motor modules are servo motors.

[0025] Preferably, the NG receiving clip is mounted on the upper end face of the receiving mounting base, the receiving mounting base is fixed on the frame, and the lower bottom surface of the receiving mounting base is provided with a positioning structure.

[0026] Preferably, the positioning structure includes a bidirectional clamping cylinder, with clamping fixing plates fixedly installed on both output ends of the bidirectional clamping cylinder, and L-shaped jaw blocks fixedly installed on the upper part of the clamping fixing plates, and positioning push blocks fixedly installed on the upper end face of the L-shaped jaw blocks.

[0027] The front and back correction and recognition device for this film applicator has the following beneficial effects: This utility model relates to a front and back correction and recognition device for a film applicator. It includes a visual recognition device using a CCD smart camera. This device utilizes AI algorithms and camera lighting to learn features from the frosted and glossy surfaces of the product. By combining the reflected light spots from the frosted and glossy surfaces, deep learning is used to calculate a stable result, thus determining the front and back of the product. This reliably addresses the above issues, achieving automated mechanical recognition of the front and back of glass. It significantly improves the accuracy and efficiency of distinguishing between frosted and glossy glass surfaces, resulting in a yield rate of 99.8% and an equipment uptime of 95%. This utility model relates to a front and back correction and identification device for a film applicator. It is equipped with a transfer platform and a flipping mechanism. When the material glass is identified as being on the back, the material can be placed on the transfer platform and the flipping mechanism will flip the material glass to correct it, thereby realizing an automatic correction function. This ensures that the material glass is accurately corrected when it is sent to the next workstation, thus guaranteeing quality. This utility model relates to a front and back correction and identification device for a film applicator, which is equipped with an NG (non-quality) collection clip to automatically collect NG products. This utility model of a film applicator front and back correction and recognition device can automatically identify the front and back of the glass material, automatically correct the wrong side of the glass material, and automatically collect NG products. It can not only improve work efficiency and increase production capacity, but also reduce the workload of employees. This utility model relates to a front and back correction and recognition device for a film applicator. It is fully automated in recognizing the front and back of materials, correcting incorrect surfaces, and automatically collecting defective products. Moreover, it has a high recognition accuracy and can effectively reduce human error, making it suitable for high-precision, large-scale production. Attached Figure Description

[0028] Figure 1 This is an overall schematic diagram of the front and back correction and identification device for the film applicator of this utility model; Figure 2 This is a schematic diagram of the material handling robot of the front and back correction and recognition device for the film applicator of this utility model; Figure 3 This is a schematic diagram of the transfer platform for the front and back correction and identification device of the film applicator of this utility model; Figure 4 This is a schematic diagram of the flipping mechanism of the front and back correction and recognition device for the film applicator of this utility model; Figure 5 This is a schematic diagram of the NG receiving clip and positioning structure of the front and back correction and identification device for the film applicator of this utility model.

[0029] The diagram is labeled as follows: 1. Material handling robot; 101. Vacuum suction cup; 102. Suction cup fixing plate; 103. Identification mounting position; 2. Vision recognition device; 3. Transfer platform; 301. L-shaped support plate; 302. U-shaped transfer table; 303. Sensor fixing plate; 304. Mounting buckle; 4. Tilting mechanism; 401. Tilting robot; 402. Z-axis module; 403. X-axis module; 404. Suction cup component; 405. Rotary cylinder; 406. Slide table connecting plate; 407. Slide table cylinder; 408. Z-axis slider plate; 409. Z-axis fixing plate; 410. X-axis fixing plate; 5. NG receiving clip; 501. Receiving mounting base; 502. Bidirectional clamping cylinder; 503. Clamping fixing plate; 504. Grip L-shaped block; 505. Positioning push block; 6. CCD smart camera; 7. Pipe connector; 8. Frame. Detailed Implementation

[0030] To enable those skilled in the art to better understand the technical solution of this utility model, the product of this utility model will be further described in detail below with reference to the embodiments and accompanying drawings.

[0031] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0033] like Figure 1 As shown, a front and back correction and identification device for a laminating machine includes a material picking robot 1, a vision recognition device 2, a transfer platform 3, a flipping mechanism 4, and an NG (non-compliant) receiving clip 5. The material picking robot 1 is used to pick up materials and transfer them to the transfer platform 3 or the next laminating station. The vision recognition device 2 is installed on the material picking robot 1 and is used to identify the material status in real time. The transfer platform 3 is installed on one side of the frame 8 and is used to place materials. The flipping mechanism 4 is installed on the frame 8 and is used to pick up materials on the transfer platform 3 and flip them back onto the transfer platform 3, or pick up NG items from the transfer platform 3 and place them in the NG receiving clip 5.

[0034] It should be noted that in this embodiment, the incoming glass is placed on a tray or the previous workstation, and the picking robot 1 picks up the incoming glass. Simultaneously, the vision recognition device 2 on the picking robot 1 identifies whether the picked-up glass is front-side or back-side. If the picked-up glass is front-side, the picking robot 1 directly places it into the corresponding position at the next film-applying workstation. If the incoming glass is back-side, the picking robot 1 places it on the transfer platform 3, and then the flipping mechanism 4 picks it up from the transfer platform 3. The material is taken, then flipped 180 degrees, and then placed on the transfer platform 3 again. The material picking robot 1 picks up the material glass, and the vision recognition device 2 identifies the front and back of the material. If it is identified as the front, the material is transferred to the next film application station. If it is identified as the back again, the material is determined to be an NG product and is placed back on the transfer platform 3. The flipping mechanism 4 picks up the material and places it into the NG receiving clip 5. When the NG receiving clip 5 is full, it will sound an alarm, and the manual clip can be changed to collect the material.

[0035] like Figure 2 As shown, the material handling robot 1 includes a multi-directional moving module and a vacuum suction cup 101. The vacuum suction cup 101 is fixedly mounted on a suction cup fixing plate 102, which is fixedly mounted on the output end of the multi-directional moving module. A recognition mounting position 103 is provided on the side of the suction cup fixing plate 102, and the visual recognition device 2 is fixedly mounted on the recognition mounting position 103. The visual recognition device 2 uses a CCD smart camera 6.

[0036] It should be noted that in this embodiment, the multi-directional moving module can be composed of existing linear modules, or driven by a four-axis or five-axis robotic arm. The use of linear modules, four-axis or five-axis robotic arms are existing technologies and will not be elaborated upon here. The suction cup fixing plate 102 is fixed to the output end of the multi-directional moving module, thereby driving the vacuum suction cup 101 to move. The CCD smart camera 6 can utilize AI algorithms and camera lighting, using the frosted and glossy surfaces of the product for feature algorithm learning. Combining the reflected light spots from the frosted and glossy surfaces, it uses deep learning to calculate stable results, determining the front and back of the product. This reliably and accurately addresses the issue of identifying frosted or glossy surfaces, achieving automated mechanical identification of the front and back of the glass. In this embodiment, the frosted surface is designated as the back of the glass, and the glossy surface as the front.

[0037] like Figure 3As shown, the transfer platform 3 includes an inverted L-shaped support plate 301. A U-shaped transfer table 302 is fixedly installed on the upper horizontal part of the L-shaped support plate 301. A sensor fixing plate 303 is provided on the lower side of the U-shaped transfer table 302. A CCD smart camera 6 is fixedly installed on the sensor fixing plate 303 for identifying the state of the material on the U-shaped transfer table 302. A mounting buckle 304 is provided on the vertical part of the side of the L-shaped support plate 301. The transfer platform 3 is installed on the frame 8 through the mounting buckle 304. The upper end face of the U-shaped transfer table 302 is provided with an adsorption port. The interior of the U-shaped transfer table 302 is provided with an air passage. A pipe connector 7 is installed on the bottom surface of the U-shaped transfer table 302. The pipe connector 7 is connected to the air passage inlet, and the adsorption port is connected to the air passage.

[0038] It should be noted that in this embodiment, the present invention includes a frame 8, which is made of aluminum profile. The transfer platform 3 is installed on one outer side of the aluminum profile frame 8. The upper horizontal part of the L-shaped support plate 301 is provided with a U-shaped clearance groove. The upper end face of the L-shaped support plate 301 is fixedly connected to the inner bottom face of the U-shaped transfer platform 302 by a fixing member. The two end faces of the U-shaped transfer platform 302 are provided with adsorption holes. The pipe connector 7 passes through the U-shaped clearance groove of the L-shaped support plate 301 and is installed in the U-shaped transfer platform 302. The bottom surface of the transfer station 302 is connected to the air duct and the adsorption port. The pipe joint 7 can be connected to an external air pressure pump, so that the U-shaped transfer station 302 has the function of adsorbing materials. When the material glass is placed on the upper surface of the U-shaped transfer station 302, the material glass can be stabilized by the adsorption function to prevent the material glass from falling. The flipping manipulator 401 of the flipping mechanism 4 can be directly inserted into the inner middle of the U-shaped transfer station 302 to pick up the material from the bottom surface of the material glass on the U-shaped transfer station 302. The U-shaped transfer platform 302 is also equipped with a CCD smart camera 6 on its side. This camera serves two purposes: firstly, it identifies whether there is material glass on the U-shaped transfer platform 302; secondly, it identifies the front and back of the material glass. Since the CCD smart camera 6 on the transfer platform 3 is located below, it can identify the bottom surface of the material glass placed on the U-shaped transfer platform 302. When the material glass is first placed on the end face of the U-shaped transfer platform 302, the glass surface facing the CCD smart camera 6 is identified as the smooth surface, while the CCD smart camera 6 on the material handling robot 1 identifies... If the top of the glass material is frosted, the material is considered a qualified product, but the wrong surface is being used. In this case, the glass material needs to be flipped over and transferred to the next film-applying station. If the CCD smart camera 6 of the transfer platform 3 identifies that the bottom surface of the glass material placed on the U-shaped transfer table 302 is frosted, while the CCD smart camera 6 of the picking robot 1 identifies that the top surface of the glass material is frosted, the glass material is considered an NG product. In this case, there is no need to flip the glass; the material can be directly transferred to the NG receiving clip 5 via the flipping mechanism 4.

[0039] like Figure 4 As shown, the flipping mechanism 4 includes a flipping robot 401, a Z-axis module 402, and an X-axis module 403. The flipping robot 401 is mounted on the output end of the Z-axis module 402 and is driven by the Z-axis module 402 to move up and down. The Z-axis module 402 is mounted on the X-axis module 403 and is driven by the X-axis module 403 to move left and right. The X-axis module 403 is fixedly mounted on the frame 8. Both the Z-axis module 402 and the X-axis module 403 are linear motor modules, and the drive motors used in the linear motor modules are servo motors.

[0040] It should be noted that in this embodiment, the flipping manipulator 401 includes a suction cup 404. The suction cup 404 extends outwards and has an adsorption port on its outer end. The other end of the suction cup 404 has a pipe connector 7, which communicates with the adsorption port via an air passage. The pipe connector 7 can be connected to an external air pump, enabling the suction cup 404 to perform adsorption. The end of the suction cup 404 is connected to the output end of a rotary cylinder 405, which drives the suction cup 404 to rotate. The rotary cylinder 405 is fixed to a slide connecting plate 406. The connecting plate 406 is slidably mounted on the slide cylinder 407 and is fixedly connected to the output end of the slide cylinder 407. It can be driven by the slide cylinder 407 to move up and down. The slide cylinder 407 is fixed on the Z-axis slider plate 408. The Z-axis slider plate 408 is fixed on the sliding block of the Z-axis module 402. The Z-axis module 402 is fixed on the Z-axis fixing plate 409. The lower end of the Z-axis fixing plate 409 is fixed on the slider plate of the X-axis module 403. The X-axis module 403 is fixed on the X-axis fixing plate 410. The X-axis fixing plate 410 is fixed on the frame 8. When it is necessary to pick up the glass material from the transfer platform 3, the suction cup 404 is fed into the U-shaped transfer table 302. The suction port on the upper end of the suction cup 404 is used to firmly suction the bottom surface of the glass. At the same time, the U-shaped transfer table 302 removes the suction force, and the suction cup 404 can then pick up the glass material from the U-shaped transfer table 302. When it is necessary to put the NG product into the NG receiving clip 5, after the suction cup 404 picks up the NG product, it is moved to the positioning structure for positioning and adjustment of the angle of the NG product so that the angle of the NG product is consistent with the placement angle of the NG receiving clip 5. Then the suction cup 404 picks up the NG product again and puts the NG product into the material slot of the NG receiving clip 5.

[0041] like Figure 5As shown, the NG receiving clip 5 is mounted on the upper surface of the receiving mounting base 501, which is fixed to the frame 8. A positioning structure is provided on the lower surface of the receiving mounting base 501. The positioning structure includes a bidirectional clamping cylinder 502, with clamping fixing plates 503 fixedly mounted on both output ends of the bidirectional clamping cylinder 502. A gripper L-shaped block 504 is fixedly mounted on the upper part of the clamping fixing plate 503, and a positioning push block 505 is fixedly mounted on the upper surface of the gripper L-shaped block 504.

[0042] It should be noted that in this embodiment, the NG receiving clip 5 is detachably mounted on the upper surface of the receiving mounting base 501. The receiving mounting base 501 is fixed to the X-axis fixing plate 410 by a support rod and is on the same plate as the X-axis module 403. The NG receiving clip 5 has several material slots stacked inside. The receiving mounting base 501 is also equipped with a sensor to sense whether the NG receiving clip 5 is full and whether the material is correctly placed. In this embodiment, a clip confirmation button is also provided. When the clip needs to be replaced, after the operator removes the full clip and replaces it with a new NG receiving clip 5, the confirmation button needs to be pressed to ensure safety and prevent mechanical injury. The slot plate on the NG receiving clip 5 is made of POM material to prevent product damage. When the transfer platform 3 determines that the glass material is an NG product, the NG product is prone to shifting when the flipping mechanism 4 picks it up. This causes the angle of the NG product picked up by the flipping robot 401 to be inconsistent with the placement angle of the material slot in the NG receiving spring clip 5, which will make it difficult or inaccurate to place the NG product. Therefore, it is necessary to move the NG product into the positioning structure first, and drive the positioning push block 505 to clamp and push the NG product so that the direction angle of the NG product on the flipping robot 401 is consistent with the angle of the material slot in the NG receiving spring clip 5. This makes it easier to accurately place the NG product in the material slot.

[0043] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Those skilled in the art can readily implement the present utility model according to the accompanying drawings and the above description. However, any modifications, alterations, or equivalent changes made by those skilled in the art without departing from the scope of the present utility model's technical solution, based on the disclosed technical content, are all equivalent embodiments of the present utility model. Furthermore, any equivalent changes, alterations, or evolutions made to the above embodiments based on the essential technology of the present utility model still fall within the technical solution of the present utility model.

Claims

1. A front and back correction and identification device for a laminating machine, characterized in that: The system includes a material picking robot (1), a vision recognition device (2), a transfer platform (3), a flipping mechanism (4), and an NG receiving clip (5). The material picking robot (1) is used to pick up materials and transfer them to the transfer platform (3) or the next film application station. The vision recognition device (2) is installed on the material picking robot (1) and is used to identify the material status in real time. The transfer platform (3) is installed on one side of the frame (8) and is used to place materials. The flipping mechanism (4) is installed on the frame (8) and is used to pick up materials on the transfer platform (3) and flip them back onto the transfer platform (3), or pick up NG items from the transfer platform (3) and place them in the NG receiving clip (5).

2. The front and back correction and recognition device for a laminating machine according to claim 1, characterized in that: The material handling robot (1) includes a multi-directional moving module and a vacuum suction cup (101). The vacuum suction cup (101) is fixedly installed on the suction cup fixing plate (102). The suction cup fixing plate (102) is fixedly installed on the output end of the multi-directional moving module. The suction cup fixing plate (102) has an identification mounting position (103) on its side. The visual recognition device (2) is fixedly installed on the identification mounting position (103).

3. The front and back correction and recognition device for a laminating machine according to claim 1, characterized in that: The visual recognition device (2) uses a CCD smart camera (6).

4. The front and back correction and recognition device for a laminating machine according to claim 1, characterized in that: The transfer platform (3) includes an inverted L-shaped support plate (301). A U-shaped transfer table (302) is fixedly installed on the upper horizontal part of the L-shaped support plate (301). A sensor fixing plate (303) is provided on the lower side of the U-shaped transfer table (302). A CCD smart camera (6) is fixedly installed on the sensor fixing plate (303) for identifying the status of the material on the U-shaped transfer table (302). A mounting buckle (304) is provided on the vertical side of the L-shaped support plate (301). The transfer platform (3) is installed on the frame (8) through the mounting buckle (304).

5. The front and back correction and recognition device for a laminating machine according to claim 4, characterized in that: The upper surface of the U-shaped transfer station (302) is provided with an adsorption port, the interior of the U-shaped transfer station (302) is provided with an air passage, and the bottom surface of the U-shaped transfer station (302) is equipped with a pipe connector (7). The pipe connector (7) is connected to the air passage inlet, and the adsorption port is connected to the air passage.

6. The front and back correction and recognition device for a laminating machine according to claim 1, characterized in that: The flipping mechanism (4) includes a flipping robot (401), a Z-axis module (402), and an X-axis module (403). The flipping robot (401) is mounted on the output end of the Z-axis module (402) and is driven by the Z-axis module (402) to move up and down. The Z-axis module (402) is mounted on the X-axis module (403) and is driven by the X-axis module (403) to move left and right. The X-axis module (403) is fixedly mounted on the frame (8).

7. The front and back correction and recognition device for a laminating machine according to claim 6, characterized in that: Both the Z-axis module (402) and the X-axis module (403) are linear motor modules, and the drive motors used in the linear motor modules are servo motors.

8. The front and back correction and recognition device for a laminating machine according to claim 1, characterized in that: The NG receiving clip (5) is mounted on the upper end face of the receiving mounting base (501), the receiving mounting base (501) is fixed on the frame (8), and the bottom surface of the receiving mounting base (501) is provided with a positioning structure.

9. The front and back correction and recognition device for a laminating machine according to claim 8, characterized in that: The positioning structure includes a bidirectional clamping cylinder (502), and clamping fixing plates (503) are fixedly installed on both output ends of the bidirectional clamping cylinder (502). A gripper L-shaped block (504) is fixedly installed on the upper part of the clamping fixing plate (503), and a positioning push block (505) is fixedly installed on the upper end surface of the gripper L-shaped block (504).

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