Film rewinding detection device

Abstract

The utility model discloses a film rewinding detection device which comprises an unwinding frame, a conveying platform and a winding frame, and the unwinding frame, the conveying platform and the winding frame are sequentially arranged at intervals in the film conveying direction. According to the device, film unwinding and film winding are achieved through the unwinding frame and the winding frame respectively, then the conveying platform is arranged, the detection platform, the two light sources and the detection head on the conveying platform are utilized, the detection head is matched with the two light sources to irradiate the film, film detection is achieved, rewinding detection of the film is achieved, the overall structure is high in automation degree, and the production efficiency is improved. The practicability is high; meanwhile, by arranging the adjusting frame, the thin films with different thickness specifications can be conveyed, and by arranging the deviation rectifying frame, automatic deviation rectifying can be conducted on the thin films in the deviation stroke in the thin film conveying process.

Description

Technical Field

[0001] The utility model relates to the technical field of film machinery, in particular to a film rewinding detection device. Background Art

[0002] A film is a thin and soft transparent sheet made of plastic, adhesive, rubber or other materials. It is a material with a very thin thickness and is widely used in the fields of manufacturing electronic products, optical devices, packaging materials, etc. After the initial production of the existing film, it is usually a large roll of film. However, due to transportation or other processes, the film will inevitably have problems such as damage and deformation. In order to ensure the quality of the film, it is necessary to perform rewinding detection on the film. However, the existing film detection usually adopts manual detection, so the detection quality is average, the efficiency is low, and the overall automation degree is insufficient. The publication number is CN215449032U, which discloses a double-polarization detection device for film substrates, relating to the technical field of material optical detection equipment, including a frame. A light source assembly is fixedly arranged below the frame, and a camera assembly is installed on the frame above the light source assembly. The camera assembly is used to observe the material form between the light source assembly and the camera assembly. The camera assembly includes a camera, a lens and a circular polarizing lens from top to bottom in sequence. The light source assembly includes an LED lamp bead, a light condensing structure, a diffusion film, an isolation layer, a linear polarizer and a super white glass I from bottom to top. The LED lamp bead, the light condensing structure, the diffusion film, the isolation layer, the linear polarizer and the super white glass I are closely attached together in sequence, which can solve the problem that the upper surface defects of PC, PMMA and the composite board of PC and PMMA cannot be effectively detected in the prior art. However, this detection device cannot automatically input and output the film, and the overall automation degree is insufficient. Content of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a film rewinding detection device with strong practicability and high automation degree.

[0004] To achieve the above purpose, the solution provided by the utility model is: a film rewinding detection device, including a unwind rack, a conveying platform and a windup rack. The unwind rack, the conveying platform and the windup rack are sequentially arranged at intervals along the film conveying direction. Two conveying racks, an adjusting rack, a deviation rectifying rack and a detection platform are arranged on the conveying platform. The two conveying racks are arranged at intervals front and back. The adjusting rack, the deviation rectifying rack and the detection platform are arranged between the two conveying racks. The detection platform, the adjusting rack and the deviation rectifying rack are sequentially arranged at intervals along the film conveying direction. The detection platform is used to support and convey the film. Two light sources and a detection head are arranged directly above the detection platform. The two light sources are arranged at intervals front and back. The two light sources are inclined downward and aligned with the detection platform. The detection head is located between the two light sources and is vertically downward and aligned with the detection platform.

[0005] The beneficial effects of the present utility model are as follows: The rewinding detection of the film is realized. The device realizes the unwinding and rewinding of the film by setting an unwinding rack and a rewinding rack respectively. Then, by setting a conveying platform, using the detection platform, two light sources, and a detection head on the conveying platform, the detection head cooperates with the two light sources to irradiate the film, realizing the detection of the film, and thus realizing the rewinding detection of the film. The overall structure has a high degree of automation and strong practicability. At the same time, by setting an adjusting rack, it can adapt to the conveyance of films with different thickness specifications, and by setting a deviation rectifying rack, it can automatically rectify the offset film during the film conveyance process.

[0006] Further, a rewinding roller is rotatably connected to the unwinding rack, and the rewinding roller is used for unwinding the film. After the present utility model adopts the above structure, the unwinding and output of the film are realized.

[0007] Further, an unwinding motor is arranged on the unwinding rack. The unwinding motor is connected with a first driving wheel, the rewinding roller is coaxially connected with a first driven wheel, and the first driving wheel is connected with the first driven wheel through a first belt. After the present utility model adopts the above structure, driving the rewinding roller to rotate is realized.

[0008] Further, a plurality of conveying rollers are rotatably connected to the conveying rack, and the plurality of conveying rollers are arranged vertically and staggeredly along the film conveying direction. After the present utility model adopts the above structure, guiding and conveying the film are realized, and the tension during the film conveying process can be adjusted and increased.

[0009] Further, two pressing rollers are rotatably connected to the adjusting rack, the two pressing rollers are arranged at an interval up and down, and the two pressing rollers are used for jointly conveying the film.

[0010] Further, sliding grooves are respectively opened on the left and right sides of the adjusting rack. The sliding grooves extend vertically, and lifting seats are slidably connected in the sliding grooves. The two lifting seats are jointly rotatably connected to the upper pressing roller. After the present utility model adopts the above structure, driving the upper pressing roller to move up and down is realized.

[0011] Further, lifting cylinders are respectively arranged on the left and right sides of the adjusting rack. The lifting cylinders are arranged vertically. The lifting cylinders are connected downward with lifting blocks. Two lifting rods are arranged on the top of the lifting seats. The lifting blocks slide on the two lifting rods. Among them, a return spring is sleeved on the lifting rods, and the return spring upwardly abuts and presses the lifting blocks. After the present utility model adopts the above structure, driving the upper pressing roller to move up and down is realized, so as to adapt to the conveyance of films with different thickness specifications.

[0012] Further, a driving motor is arranged on the adjusting rack, and the driving motor is used for driving the lower pressing roller to rotate.

[0013] Further, a rotating frame is rotatably connected to the top of the deviation rectifying frame, and two deviation rectifying rollers are rotatably connected to the rotating frame, and the two deviation rectifying rollers are arranged at intervals front and back.

[0014] Further, a swing cylinder is hinged to the deviation rectifying frame, and the piston rod of the swing cylinder is hinged to the rotating frame. After the utility model adopts the above structure, it realizes driving the rotating frame and the two deviation rectifying rollers to swing left and right, so as to realize automatic deviation rectification of the film.

[0015] Further, a winding roller is rotatably connected to the winding frame, and the winding roller is used for winding the film. After the utility model adopts the above structure, it realizes winding the film.

[0016] Further, a winding motor is arranged on the winding frame, the winding motor is connected with a second driving wheel, the winding roller is coaxially connected with a second driven wheel, and the second driving wheel is connected with the second driven wheel through a second belt. After the utility model adopts the above structure, it realizes driving the winding roller to rotate. Description of the Drawings

[0017] Figure 1 is the three-dimensional overall structure of the utility model Figure 1 .

[0018] Figure 2 is the three-dimensional overall structure of the utility model Figure 2 .

[0019] Figure 3 is Figure 2 the enlarged view at A in

[0020] Figure 4 is the three-dimensional overall structure of the utility model Figure 3 .

[0021] Figure 5 is Figure 4 the enlarged view at B in

[0022] Among them, 1 is the unwinding frame, 11 is the unwinding roller, 111 is the first driven wheel, 12 is the unwinding motor, 121 is the first driving wheel, 122 is the first belt, 2 is the conveying platform, 21 is the conveying frame, 211 is the conveying roller, 22 is the adjusting frame, 221 is the sliding groove, 222 is the lifting seat, 2221 is the lifting rod, 2222 is the return spring, 223 is the pressing roller, 224 is the lifting cylinder, 225 is the lifting block, 226 is the driving motor, 23 is the deviation rectifying frame, 231 is the rotating frame, 232 is the deviation rectifying roller, 233 is the swing cylinder, 24 is the detection platform, 241 is the light source, 242 is the detection head, 3 is the winding frame, 31 is the winding roller, 311 is the second driven wheel, 32 is the winding motor, 321 is the second driving wheel, 322 is the second belt. Detailed Embodiments

[0023] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.

[0025] See attached Figure 1 to attached Figure 5 As shown, a film rewinding detection device includes an unwinding rack 1, a conveying platform 2, and a winding rack 3. The unwinding rack 1, the conveying platform 2, and the winding rack 3 are sequentially arranged at intervals along the film conveying direction. Two conveying racks 21, an adjusting rack 22, a deviation rectifying rack 23, and a detection platform 24 are arranged on the conveying platform 2. The two conveying racks 21 are arranged at intervals front and back. An adjusting rack 22, a deviation rectifying rack 23, and a detection platform 24 are arranged between the two conveying racks 21. The detection platform 24, the adjusting rack 22, and the deviation rectifying rack 23 are sequentially arranged at intervals along the film conveying direction. The detection platform 24 is used to support and convey the film. Two light sources 241 and a detection head 242 are arranged directly above the detection platform 24. The two light sources 241 are arranged at intervals front and back. The two light sources 241 are inclined downward and aligned with the detection platform 24. The detection head 242 is located between the two light sources 241, and the detection head 242 is vertically downward and aligned with the detection platform 24.

[0026] In this embodiment, the light source 241 can be a lamp tube or the like.

[0027] In this embodiment, an unwinding roller 11 is rotatably connected to the unwinding rack 1. The unwinding roller 11 is used for unwinding the film. A unwinding motor 12 is arranged on the unwinding rack 1. The unwinding motor 12 is connected with a first driving wheel 121. The unwinding roller 11 is coaxially connected with a first driven wheel 111. The first driving wheel 121 is connected with the first driven wheel 111 through a first belt 122.

[0028] In this embodiment, multiple conveying rollers 21 are rotatably connected to the conveying rack 21. The multiple conveying rollers 21 are arranged in a staggered manner up and down along the film conveying direction. The multiple conveying rollers 21 are used for conveying the film.

[0029] In this embodiment, two pressing rollers 223 are rotatably connected to the adjusting frame 22. The two pressing rollers 223 are arranged at intervals up and down, and the two pressing rollers 223 are used to jointly convey the film. A driving motor 226 is arranged on the adjusting frame 22, and the driving motor 226 is used to drive the pressing roller 223 located on the lower side to rotate.

[0030] In this embodiment, sliding grooves 221 are respectively formed on the left and right sides of the adjusting frame 22. The sliding grooves 221 extend vertically. A lifting seat 222 is slidably connected in the sliding grooves 221. The two lifting seats 222 are jointly rotatably connected to the pressing roller 223 located on the upper side. Lifting cylinders 224 are respectively arranged on the left and right sides of the adjusting frame 22. The lifting cylinders 224 are arranged vertically. The lifting cylinders 224 are connected downward with lifting blocks 225. Two lifting rods 2221 are arranged on the top of the lifting seat 222. The lifting blocks 225 slide on the two lifting rods 2221. Among them, a return spring 2222 is sleeved on the lifting rod 2221. The return spring 2222 abuts against and presses the lifting block 225 upward and abuts against and presses the lifting seat 222 downward.

[0031] In this embodiment, a rotating frame 231 is rotatably connected to the top of the deviation rectifying frame 23. Two deviation rectifying rollers 232 are rotatably connected to the rotating frame 231. The two deviation rectifying rollers 232 are arranged at intervals front and back. The deviation rectifying frame 23 is hinged with a swing cylinder 233, and the piston rod of the swing cylinder 233 is hinged with the rotating frame 231.

[0032] In this embodiment, a winding roller 31 is rotatably connected to the winding frame 3. The winding roller 31 is used to wind the film. A winding motor 32 is arranged on the winding frame 3. The winding motor 32 is connected with a second driving wheel 321. The winding roller 31 is coaxially connected with a second driven wheel 311. The second driving wheel 321 is connected with the second driven wheel 311 through a second belt 322.

[0033] In this embodiment, the specific process of rewinding detection is as follows: First, start the unwinding motor 12, the driving motor 226, and the winding motor 32 respectively. The unwinding motor 12 drives the first driving wheel 121 to rotate. The first driving wheel 121 drives the first driven wheel 111 to rotate through the first belt 122, so as to drive the unwinding roller 11 to rotate to realize unwinding and outputting the film. The driving motor 226 drives the pressing roller 223 located on the lower side to rotate, so as to convey the film. The winding motor 32 drives the second driving wheel 321 to rotate. The second driving wheel 321 drives the second driven wheel 311 to rotate through the second belt 322, so as to drive the winding roller 31 to rotate to realize winding the film.

[0034] After the film is unrolled and output, it is guided by multiple conveying rollers 211 in the front conveying rack 21 and conveyed to the conveying platform 2, and then passes through the detection platform 24. At this time, the film is irradiated by the detection head 242 and two light sources 241 to detect the film and check for damage, deformation, etc. Then, it is successively conveyed by two pressing rollers 223, two deviation rectifying rollers 232, and multiple conveying rollers 211 of the rear conveying rack 21. Finally, the film is wound by the winding roller 31 to complete the rewind detection of the film.

[0035] Among them, when the film is offset during the conveying process, the swing cylinder 233 can be started, and the piston rod of the swing cylinder 233 extends and retracts to drive the rotating frame 231 and the two deviation rectifying rollers 232 to swing left and right to rectify the film until the film moves to the middle of the deviation rectifying rollers 232 for conveying.

[0036] In this embodiment, the two lifting cylinders 224 can be started, and the piston rods of the lifting cylinders 224 extend and retract to drive the lifting blocks 225 to move up and down. At this time, the return spring 2222 cooperates to upwardly abut and press the lifting blocks 225 and downwardly abut the lifting seats 222 to push the upper pressing roller 223 to slightly move downward, so that the two pressing rollers 223 can tightly convey the film and can adapt to films of different thicknesses.

[0037] The above-described embodiments are only the preferred embodiments of the present invention and do not impose any form of limitation on the present invention. Any person skilled in the art can make more possible changes and modifications to the technical solution of the present invention or modify it into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the present invention. Therefore, all equivalent changes made according to the idea of the present invention without departing from the content of the technical solution of the present invention should be covered within the protection scope of the present invention.

Claims

1. A film rewinding detection device, comprising an unwinding frame (1), a conveying platform (2), and a rewinding frame (3), characterized in that: The unwinding frame (1), the conveying platform (2), and the winding frame (3) are arranged in sequence at intervals along the film conveying direction; the conveying platform (2) is provided with two conveying frames (21), an adjusting frame (22), a deflection correcting frame (23), and a detection platform (24); the two conveying frames (21) are arranged in sequence at intervals; the adjusting frame (22), the deflection correcting frame (23), and the detection platform (24) are arranged between the two conveying frames (21); the detection platform (24), the adjusting frame (22), and the deflection correcting frame (23) are arranged in sequence at intervals along the film conveying direction; the detection platform (24) is used to support the conveyed film; two light sources (241) and a detection head (242) are arranged directly above the detection platform (24); the two light sources (241) are arranged in sequence at intervals; the two light sources (241) are tilted downwardly toward the detection platform (24); the detection head (242) is located between the two light sources (241); and the detection head (242) is vertically downwardly toward the detection platform (24).

2. A film rewinding detection device according to claim 1, characterized in that: An unwinding roller (11) is rotatably connected to the unwinding frame (1), and the unwinding roller (11) is used for unwinding the film.

3. A film rewinding detection device according to claim 2, characterized in that: The unwinding frame (1) is provided with an unwinding motor (12), the unwinding motor (12) is connected to a first driving wheel (121), the unwinding roller (11) is coaxially connected to a first driven wheel (111), and the first driving wheel (121) is connected to the first driven wheel (111) via a first belt (122).

4. A film rewinding detection device according to claim 1, characterized in that: The conveying frame (21) is rotatably connected to a plurality of conveying rollers (211), and the plurality of conveying rollers (211) are arranged in an up-and-down staggered manner along the film conveying direction.

5. The film rewinding detection device according to claim 1, characterized in that: Two laminating rollers (223) are rotatably connected to the adjustment frame (22), the two laminating rollers (223) are arranged at an interval up and down, and the two laminating rollers (223) are used to jointly transport the film.

6. A film rewinding detection device according to claim 5, characterized in that: The adjustment frame (22) has sliding grooves (221) on the left and right sides respectively. The sliding grooves (221) extend vertically. A lifting seat (222) is slidably connected in the sliding grooves (221). The two lifting seats (222) are rotatably connected to a pressing roller (223) located on the upper side.

7. A film rewinding detection device according to claim 6, characterized in that: The left and right sides of the adjustment frame (22) are respectively provided with lifting cylinders (224), the lifting cylinders (224) are arranged vertically, the lifting cylinders (224) are downwardly connected to a lifting block (225), two lifting rods (2221) are arranged on the top of the lifting seat (222), the lifting block (225) slides on the two lifting rods (2221), wherein a return spring (2222) is sleeved on the lifting rod (2221), and the return spring (2222) resists and presses the lifting block (225) upwards.

8. A film rewinding detection device according to claim 1, characterized in that: The top of the deflection correction frame (23) is rotatably connected to a rotating frame (231), and the rotating frame (231) is rotatably connected to two deflection correction rollers (232), and the two deflection correction rollers (232) are arranged at a distance from each other.

9. A film rewinding detection device according to claim 1, characterized in that: A winding roller (31) is rotatably connected to the winding frame (3), and the winding roller (31) is used for winding the film.

10. A film rewinding detection device according to claim 9, characterized in that: The winding frame (3) is provided with a winding motor (32), the winding motor (32) is connected to a second driving wheel (321), the winding roller (31) is coaxially connected to a second driven wheel (311), and the second driving wheel (321) is connected to the second driven wheel (311) via a second belt (322).

Images