Pressure self-adjusting type insulating film detection machine

The cooperation between the self-adjusting upper pressure plate and the lower support plate solves the problems of low detection accuracy and roller surface damage in the existing insulation film detection machine, and realizes high-precision insulation film detection.

CN120831364AActive Publication Date: 2025-10-24TAMBO ELECTRICAL MATERIALS (NANTONG) CO LTD

Patent Information

Application Number
CN202511342872.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-19
Publication Date
2025-10-24
Estimated Expiration
2045-09-19

AI Technical Summary

Technical Problem

Existing insulating film inspection machines use parallel lower pressure rollers to guide and level the film, causing the upper surface of the insulating film to contact the lower pressure roller, which may cause impurities to adhere, affecting the inspection accuracy and damaging the roller surface, thereby affecting the inspection effect.

Method used

The upper pressure plate with self-adjusting pressure is used in conjunction with the lower support plate. Pressure is automatically applied through the control plate to achieve self-clamping and movement of the insulating film, avoiding direct contact with the lower pressure roller. Defect detection is carried out in combination with industrial cameras and light sources.

Benefits of technology

The accuracy of insulation film detection is improved, impurity adhesion and roller surface damage are avoided, and the accuracy of detection and the integrity of the insulation film are ensured.

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Abstract

The invention relates to the technical field of battery insulating film detection, in particular to a pressure self-adjusting type insulating film detection machine which comprises a workbench and an industrial personal computer installed on the left side of the workbench, a winding rod is installed above the industrial personal computer, and a supporting frame is installed above the workbench. A second chain plate conveying mechanism is connected to the interior of the upper portion of each supporting frame through a second conveying roller, a first chain plate conveying mechanism is connected to the inner side of the lower portion of each supporting frame through a first conveying roller, and an industrial camera is installed between the two supporting frames. According to the pressure self-adjusting type insulating film detection machine, local areas of the front side face and the rear side face of an insulating film above the lower supporting plate are subjected to pressure self-adjusting type self-clamping through the upper pressing plate, and the upper surface of the insulating film to be detected cannot be interfered in the moving process; therefore, the industrial camera and the light source can be conveniently matched to perform defect detection on the upper surface of the to-be-detected insulating film, and the accuracy of later defect detection cannot be influenced.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of battery insulation film detection, and particularly relates to a pressure self-adjusting insulation film detection machine. BACKGROUND

[0002] The battery insulation film is made of polypropylene or polyethylene as a base film, and an inorganic ceramic particle coating is coated on the base film. The composite structure can improve the thermal stability, mechanical strength and electrolyte wettability of the battery insulation film. The composite battery insulation film belongs to a new material. When the insulation film has defects such as holes, dirt and bubbles, or metal particles are attached to the insulation film after production of the battery insulation film, the positive electrode of the battery may be directly in contact with the negative electrode of the battery, thereby causing safety problems. Therefore, a detection machine is needed to detect the surface defects of the insulation film. For example, the patent with the patent name of "insulation film detection equipment" and the announcement number of "CN217766029U" disclosed in the prior art can include a resistance measuring device. When the conveying space between the first conductive part and the second conductive part has an insulation film, and the insulation film has no defects such as perforation, the resistance between the first conductive part and the second conductive part can have a higher value. When the insulation film has a perforation or the insulation film has metal particles, the first conductive part and the second conductive part are in conduction, and the resistance between the two has a lower value. Therefore, according to the resistance value measured by the resistance measuring device, whether the insulation film has defects such as perforation or metal particle inclusion can be detected. For example, the patent with the patent name of "lithium battery isolation film defect visual detection system" and the announcement number of "CN221224598U" disclosed in the prior art discloses that in the actual use process, the isolation film is wound by the winding mechanism, and the isolation film passes above the lamp panel. The isolation film is irradiated by the lamp panel. When small bright spots or dark parts appear above the isolation film, it indicates that the area is damaged or adheres to other substances. At this time, the data collected by the recording camera is transmitted to the terminal. The terminal counts the condition of the isolation film. In order to make the isolation film parallel to the lamp panel, the winding mechanism further includes four bearing seats, and each two bearing seats form a group. The two groups of bearing seats are arranged at the two sides of the support frame in a spaced manner. The opposite sides of one group of bearing seats are rotationally connected with the lower pressing rollers. The two lower pressing rollers are arranged in parallel, so that the isolation film and the lamp panel are in a parallel state.

[0003] The insulation film detection machine in the prior art is guided and leveled by two parallelly arranged lower pressing rollers during use, so that the insulation film between the two lower pressing rollers moves in a parallel state, cannot be moved by the pressure self-adjusting side edge pressing, and thus the upper surface of the insulation film to be detected directly contacts one of the lower pressing rollers during movement. If the upper surface of the insulation film to be detected is attached with metal particles and other impurities, the impurities may be adhered to the surface of one of the lower pressing rollers, which not only affects the accuracy of the later defect detection, but also causes damage to the insulation film by the impurities adhered to the surface of one of the lower pressing rollers, thereby affecting the later detection work. Therefore, the pressure self-adjusting insulation film detection machine is proposed to solve the above problems. SUMMARY

[0004] The purpose of the present application is to provide a pressure self-adjusting insulation film detection machine to solve the problem that the insulation film detection machine on the market is guided and leveled by two parallelly arranged lower pressing rollers during use, so that the insulation film between the two lower pressing rollers moves in a parallel state, cannot be moved by the pressure self-adjusting side edge pressing, and thus the upper surface of the insulation film to be detected directly contacts one of the lower pressing rollers during movement. If the upper surface of the insulation film to be detected is attached with metal particles and other impurities, the impurities may be adhered to the surface of one of the lower pressing rollers, which not only affects the accuracy of the later defect detection, but also causes damage to the insulation film by the impurities adhered to the surface of one of the lower pressing rollers, thereby affecting the later detection work.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a pressure self-adjusting insulation film detection machine, comprising a workbench and an industrial computer installed on the left side of the workbench, a winding rod is installed above the industrial computer, a supporting frame body is installed above the workbench, a second chain plate conveying mechanism is connected to the inside of the upper part of the supporting frame body through a second conveying roller, a first chain plate conveying mechanism is connected to the inside of the lower part of the supporting frame body through a first conveying roller, lower supporting plates are installed on the outer side of the first chain plate conveying mechanism at equal intervals, upper pressing plates are installed on the outer side of the second chain plate conveying mechanism at equal intervals through a fixed plate, a regulating plate is installed on the inner side of the upper surface of the supporting frame body, an industrial camera is installed between the two supporting frame bodies, and a light source is connected to the inner side of the supporting frame body.

[0006] Preferably, the front and rear ends of the first conveying roller on the right inner side of the supporting frame body are connected to the lower ends of two second conveying rollers through bevel gear sets, and the number ratio of the first conveying roller to the second conveying roller is 1:2.

[0007] Preferably, the control plate is semicircular, and the left and right sides of the control plate are provided with inclined surfaces, and the length of the control plate is less than the length of the first chain plate conveying mechanism.

[0008] Preferably, the upper pressing plate is provided in an L shape, a vertical surface of the upper pressing plate is provided with a vertical rod installed in a slot, a reset spring is connected to an upper outer side of the vertical rod in a nested manner, and a lower part of the vertical rod is connected to the fixed plate in a penetrating manner.

[0009] Preferably, a rolling column is symmetrically installed on an upper part of the vertical surface of the upper pressing plate, the rolling column is in contact with the bottom surface of the control plate, and the upper pressing plate and the control plate form a lifting structure.

[0010] Preferably, the light source is provided in an inclined manner, and the highest point of the light source is lower than the highest point of the lower supporting plate.

[0011] Preferably, a convex rod is installed on a side of the upper pressing plate close to the fixed plate, the convex rod is located below the fixed plate, and the length of the fixed plate is greater than the length of the convex rod.

[0012] Preferably, two groups of vertical frames are symmetrically installed on an upper right side of the workbench, guide rods are installed in slots in the vertical frames, and connecting springs are connected to outer lower sides of the guide rods in a nested manner.

[0013] Preferably, a supporting rod is provided between the two groups of vertical frames, guide rods are provided in the front and rear ends of the supporting rod in a penetrating manner, a pushing roller is installed on an upper part of the supporting rod, and the highest point of the pushing roller in an initial state is on the same horizontal plane as the highest point of the lower supporting plate.

[0014] Preferably, rotating rods are symmetrically installed on right inner walls of the supporting frame, inclined rods are fixed to outer sides of the rotating rods in a penetrating manner, vortex springs are connected to outer sides of one end of the rotating rods close to the supporting frame in a nested manner, a supporting rod is provided on an upper right end of the inclined rod in a contact manner, the supporting rod and the inclined rod form a lifting structure, a convex rod is provided on an upper left side of the inclined rod, and the inclined rod and the convex rod form a rotating structure.

[0015] Compared with the prior art, the pressure self-adjusting type insulation film detection machine has the following beneficial effects: the upper pressing plate self-clamps the local areas on the front and rear sides of the insulation film above the lower supporting plate in a pressure self-adjusting manner, does not interfere with the upper surface of the insulation film to be detected during movement, facilitates the cooperation of the industrial camera and the light source, and well detects defects on the upper surface of the insulation film to be detected, thereby not affecting the accuracy of the later defect detection. (1) By setting the control plates with inclined shapes on both sides, when the upper pressure plate moves to the bottom of the control plate, the control plate automatically applies a downward pressure to the upper pressure plate, and then the upper pressure plate self-clamps the local areas of the front and rear sides of the insulating film above the lower support plate in a self-adjusting pressure manner. At the same time, the upper pressure plate is driven to move by the second chain plate conveying mechanism, and the lower support plate is driven to move by the first chain plate conveying mechanism, so that the upper pressure plate and the lower support plate cooperate to drive the insulating film to move. During the movement, the upper surface of the insulating film to be inspected will not be disturbed. Therefore, it is convenient for the industrial camera and the light source to cooperate well to detect defects on the upper surface of the insulating film to be inspected, and then the accuracy of the subsequent defect detection will not be affected, and new materials such as battery insulating film will not be damaged. Furthermore, when the upper pressure plate moves to separate from the regulating plate, the stored force of the reset spring automatically drives the upper pressure plate to move upward and reset, thereby automatically releasing the clamping pressure on the insulating film without the need for an additional power source and having a simple structure.

[0016] (2) When the upper pressure plate moves to the position directly below the control plate, the upper pressure plate drives the convex rod to move downward, and the convex rod applies a downward thrust to the inclined rod, which then causes the inclined rod to rotate with the rotating rod as the center. As a result, the right side of the inclined rod applies an upward thrust to the support rod, causing the support rod to drive the push roller to move upward to push the insulating film upward and straighten it, thereby further improving the horizontality of the insulating film during transportation inspection and further improving the accuracy of subsequent defect detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a right side structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the cross-sectional structure of the support frame of the present invention; Figure 4 This is a schematic diagram of the three-dimensional structure of the upper pressing plate of the present invention; Figure 5 This is a bottom view of the structure of the first chain plate conveying mechanism of the present invention; Figure 6 For the present invention Figure 2 A in the middle is an enlarged structural diagram; Figure 7 This is a schematic cross-sectional view of the connection between the support frame and the first conveying roller of the present invention; Figure 8 This is a schematic diagram of the right side structure of the support frame of the present invention; Figure 9 For the present invention Figure 8 The enlarged structural diagram at B in the middle; Figure 10 This is a schematic diagram of the structure of the control panel of the present invention when viewed from above.

[0018] In the figure: 1, workbench; 2, support frame; 3, first chain plate conveying mechanism; 4, second chain plate conveying mechanism; 5, industrial camera; 6, light source; 7, regulating plate; 8, winding rod; 9, industrial computer; 10, first conveying roller; 11, inclined rod; 111, rotating rod; 112, vortex spring; 12, vertical frame; 121, guide rod; 122, connecting spring; 13, pushing roller; 14, second conveying roller; 15, lower supporting plate; 16, upper pressing plate; 161, rolling column; 162, vertical rod; 163, reset spring; 17, fixed plate; 18, protruding rod; 19, supporting rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0020] Please refer to Figures 1-10 The present application provides the following technical solutions: In the embodiment, the pressure self-adjusting type insulation film detection machine drives the insulation film to move by the pressure self-adjusting type pressing side edge when the insulation film is conveyed and detected, so that the upper surface of the insulation film to be detected is not interfered, the accuracy of the later defect detection is not affected, and the insulation film is not damaged. For specific structure, please refer to the accompanying drawings Figures 1-6 and the accompanying drawings Figure 10As shown, including the workbench 1 and installed on its left industrial computer 9, and the upper part of the industrial computer 9 is installed with winding rod 8, the upper part of the workbench 1 is installed with support frame 2, and the upper part of the inside of the support frame 2 is connected with the second chain plate conveying mechanism 4 through the second conveying roller 14, and the lower part of the inside of the support frame 2 is connected with the first chain plate conveying mechanism 3 through the first conveying roller 10, the outer side of the first chain plate conveying mechanism 3 is installed with the lower supporting plate 15 at equal intervals, the outer side of the second chain plate conveying mechanism 4 is installed with the upper pressing plate 16 at equal intervals through the fixed plate 17, and the inner side of the upper surface of the support frame 2 is installed with the control plate 7, and the industrial camera 5 is installed between the two support frames 2, the inner side of the support frame 2 is connected with the light source 6, the outer sides of the front and rear ends of the first conveying roller 10 in the right side of the support frame 2 are connected with the lower ends of the two second conveying rollers 14 through the bevel gear set, and the number ratio of the first conveying roller 10 and the second conveying roller 14 is 1:2, the control plate 7 is semicircular, and the left and right sides of the control plate 7 are inclined surfaces, and the length of the control plate 7 is less than the length of the first chain plate conveying mechanism 3, the upper pressing plate 16 is in the shape of "L", and the vertical surface of the upper pressing plate 16 is installed with the vertical rod 162, and the outer side of the upper part of the vertical rod 162 is nested with the reset spring 163, and the lower part of the vertical rod 162 is connected with the fixed plate 17, the vertical surface of the upper pressing plate 16 is symmetrically installed with the rolling column 161, the rolling column 161 is in contact with the bottom surface of the control plate 7, the upper pressing plate 16 constitutes a lifting structure through the control plate 7, the light source 6 is inclined, and the highest point of the light source 6 is lower than the highest point of the lower supporting plate 15.

[0021] First, the production and processing of the insulating film one end placed on the first chain plate conveying mechanism 3 above the right side of a lower support plate 15, then the first conveying roller 10 one end through the shaft connected with the outside motor, motor drive first conveying roller 10 rotation, first conveying roller 10 rotation by driving the two second conveying roller 14 with bevel gear set to rotate, so that the two second conveying roller 14 drive two second chain plate conveying mechanism 4 from the inside to the left conveying work, when the second chain plate conveying mechanism 4 right side of the upper installed on the press plate 16 movement and control plate 7 contact with the inclined surface, the rolling column 161 and control plate 7 contact with the inclined surface, can reduce the friction force, when the upper press plate 16 moves to the control plate 7 directly below, the control plate 7 automatically on the upper press plate 16 exerted a downward pressure, then the upper press plate 16 drive the vertical rod 162 downward, this time the vertical rod 162 in the fixed plate 17 downward, the reset spring 163 is extruded power storage, then the downward movement of the upper press plate 16 on the lower side of the corresponding lower support plate 15 on the front and back sides of the local area of the insulating film pressure self regulating type compression, the lower surface of the upper press plate 16 and the upper surface of the lower support plate 15 are installed with rubber pad, then the first chain plate conveying mechanism 3 continues to drive the lower support plate 15 movement, the second chain plate conveying mechanism 4 continues to drive the upper press plate 16 movement, as described above, so that another set of upper press plate 16 and lower support plate 15 cooperate on the front and back sides of the local area of the insulating film pressure self regulating compression, then very good to the horizontal left of the insulating film conveying, at this time the inclined light source 6 on the lower surface of the insulating film inclined upward irradiation, industrial camera 5 on the lower insulating film for shooting and video, industrial camera 5 will collect the data transmission to the industrial computer 9, the industrial computer 9 on the data analysis comparison, when the upper insulating film appears small bright spot, it shows that the hole appears, when the upper insulating film is dark, it shows that there is impurity, therefore, very good to the surface defect of the insulating film detection, because this part is prior art, therefore, will not be described in detail.

[0022] When the upper press plate 16 moves to the left side of the control plate 7, at this time the reset spring 163 power automatically drive the upper press plate 16 upward, so that the upper press plate 16 automatically release the clamping pressure of the insulating film, therefore, can automatically control the pressure and release pressure of the insulating film, so repeated operation, very good to the left of the insulating film conveying detection work, then through the winding rod 8 after the detection of the insulating film winding placed.

[0023] Example two: the pressure self regulating type insulating film detection machine in this embodiment, on the basis of example one, can further improve the horizontality of the insulating film conveying detection, further improve the accuracy of the later defect detection, specific structure reference attached Figures 7-9As shown, the upper pressing plate 16 is installed with a convex rod 18 on one side close to the fixed plate 17, and the convex rod 18 is below the fixed plate 17, and the length of the fixed plate 17 is greater than that of the convex rod 18, two groups of vertical frames 12 are symmetrically installed above the right side of the workbench 1, the vertical frame 12 is installed with a guide rod 121 in the slot, and the guide rod 121 is nested and connected with a connecting spring 122 on the outside below, a supporting rod 19 is arranged between the two groups of vertical frames 12, the guide rod 121 is penetratingly arranged in the inside of the front and rear ends of the supporting rod 19, a pushing roller 13 is installed above the supporting rod 19, and the highest point of the pushing roller 13 in the initial state is on the same horizontal plane as the highest point of the lower supporting plate 15, a rotating rod 111 is symmetrically installed on the right side inner wall of the supporting frame body 2, the outer side of the rotating rod 111 is penetratingly fixed with an inclined rod 11, and the outer side of one end of the rotating rod 111 close to the supporting frame body 2 is nested and connected with a vortex spring 112, and the right end of the inclined rod 11 is arranged with the supporting rod 19 on the upper side, the supporting rod 19 constitutes a lifting structure through the inclined rod 11, the left side of the inclined rod 11 is arranged with the convex rod 18, and the inclined rod 11 constitutes a rotating structure through the convex rod 18.

[0024] When the upper pressing plate 16 installed on the rightmost side of the second chain plate conveying mechanism 4 moves in contact with the inclined surface of the regulating plate 7, the upper pressing plate 16 drives the convex rod 18 to move downward and leftward, at this time, the convex rod 18 pushes the left side of the inclined rod 11 downward, so that the inclined rod 11 rotates around the rotating rod 111 as the center, at this time, the vortex spring 112 stores energy, then the right side of the inclined rod 11 rotates upward, so that the right side of the inclined rod 11 pushes the supporting rod 19 upward, at this time, the supporting rod 19 moves upward on the outside of the guide rod 121, the connecting spring 122 is pulled to store energy, the supporting rod 19 drives the pushing roller 13 to move upward, so that the pushing roller 13 pushes the upper insulating film upward to straighten, then the upper pressing plate 16 cooperates with the lower supporting plate 15 to self-hold the local area of the front and rear sides of the straightened insulating film, therefore, through repeated operation, the insulating film between the two groups of upper pressing plates 16 and the lower supporting plate 15 after clamping is in a horizontal state, which further improves the horizontality during the conveying and detection of the insulating film, and then can further improve the accuracy of the later defect detection, thereby completing a series of work.

[0025] Although the present application has been disclosed with reference to the preceding embodiments, those skilled in the art will find that the technical solutions recorded in the preceding embodiments can be modified, or some technical features can be replaced by equivalent ones, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pressure self-adjusting insulation film detection machine, comprising a workbench (1) and an industrial computer (9) installed on the left side of the workbench (1), and a winding rod (8) is installed above the industrial computer (9), characterized in that: The upper side of the workbench (1) is provided with a support frame (2), and the upper inside of the support frame (2) is connected with a second chain plate conveying mechanism (4) through a second conveying roller (14), and the lower inside of the support frame (2) is connected with a first chain plate conveying mechanism (3) through a first conveying roller (10), the outer side of the first chain plate conveying mechanism (3) is equidistantly provided with a lower supporting plate (15), the outer side of the second chain plate conveying mechanism (4) is equidistantly provided with an upper pressing plate (16) through a fixed plate (17), the upper surface of the support frame (2) is provided with a control plate (7), and two support frames (2) are provided with an industrial camera (5), and the inside of the support frame (2) is connected with a light source (6).

2. The pressure self-adjusting insulation film detection machine according to claim 1, characterized in that: The front and rear ends of the first conveying roller (10) on the right side of the support frame (2) are connected with the lower ends of two second conveying rollers (14) through bevel gear sets, and the number ratio of the first conveying roller (10) to the second conveying roller (14) is 1:

2.

3. The pressure self-adjusting insulation film detection machine according to claim 1, characterized in that: The control plate (7) is semicircular, and the left and right sides of the control plate (7) are inclined surfaces, and the length of the control plate (7) is less than the length of the first chain plate conveying mechanism (3).

4. The pressure self-adjusting insulation film detection machine according to claim 1, characterized in that: The vertical surface of the upper pressing plate (16) is provided with a vertical rod (162) which is connected with a reset spring (163) through nesting connection, and the lower side of the vertical rod (162) is connected with the fixed plate (17).

5. The pressure self-adjusting insulation film detection machine according to claim 1, wherein: The vertical surface of the upper pressing plate (16) is provided with a rolling column (161) which is in contact with the bottom surface of the control plate (7), and the upper pressing plate (16) forms a lifting structure through the control plate (7).

6. The pressure self-adjusting insulation film detection machine according to claim 1, characterized in that: The light source (6) is inclined, and the highest point of the light source (6) is lower than the highest point of the lower supporting plate (15).

7. The pressure self-adjusting insulation film detection machine according to claim 1, characterized in that: The side of the upper pressing plate (16) close to the fixed plate (17) is provided with a convex rod (18), and the convex rod (18) is below the fixed plate (17), and the length of the fixed plate (17) is greater than the length of the convex rod (18).

8. The pressure self-adjusting insulation film detection machine according to claim 7, characterized in that: The right side of the workbench (1) is provided with two groups of vertical frames (12), and the inside of the vertical frame (12) is provided with a guide rod (121), and the lower outside of the guide rod (121) is connected with a connecting spring (122) through nesting connection.

9. The pressure self-adjusting insulation film detection machine according to claim 8, characterized in that: The two groups of vertical frames (12) are provided with a support rod (19), and the front and rear ends of the support rod (19) are provided with guide rods (121) through penetration, and the upper side of the support rod (19) is provided with a pushing roller (13), and the highest point of the pushing roller (13) in the initial state is on the same horizontal plane as the highest point of the lower supporting plate (15).

10. The pressure self-adjusting insulation film detection machine according to claim 9, characterized in that: Symmetrically installed with rotating rods (111) on the right inner wall of the support frame (2), the outer side of the rotating rod (111) penetrates and is fixed with an inclined rod (11), and the outer side of one end of the rotating rod (111) is nested and connected with a spiral spring (112) close to the support frame (2), and the right end of the inclined rod (11) is set with a support rod (19) above, the support rod (19) constitutes a lifting structure through the inclined rod (11), and the left side of the inclined rod (11) is provided with a convex rod (18), and the inclined rod (11) constitutes a rotating structure through the convex rod (18).

Citation Information

Patent Citations

  • Insulating film detection equipment

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  • Laminating device for waterproof roll production

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  • Anti-wrinkle plastic film flattening detection device

    CN118602960A

  • Defect detection equipment for protective film

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