A waste recovery device for polyimide film production

Abstract

The application discloses a kind of waste recovery device for polyimide film production, belong to film production technical field, including protective support pipe, the top of the protective support pipe is provided with crushing mechanism, the upper portion of protective support pipe is provided with the blanking tube for the feeding effect of crushing mechanism, crushing mechanism includes the compression assembly for the material to play conveying, exhaust and compression effect and the powder assembly for cooperating with compression assembly to the material to play the crushing effect, powder assembly is set at the bottom of compression assembly, blanking tube is set at the top of powder assembly;Through the cooperation of multiple structures, the film is compressed into compact film column by being put, then the film column is crushed by crushing structure, the rapid and sufficient crushing of material is realized, the crushing dead angle of recovery device is avoided, and the crushed material cannot be wound on the crushing structure, so that the user does not need to frequently stop maintenance of recovery device.

Description

Technical Field

[0001] This invention belongs to the field of film production technology, and specifically relates to a waste recycling device for polyimide film production. Background Technology

[0002] Polyimide film is a yellow, transparent, high-temperature resistant insulating material, which is divided into two types: pyromellitic and biphenyl. They are synthesized from raw materials such as pyromellitic tetracarboxylic anhydride and diaminodiphenyl ether, and biphenyl tetracarboxylic dianhydride and diphenyl ether diamine, respectively. Polyimide film has stable chemical properties. During the production and processing of polyimide film, corresponding recycling devices are used to recycle waste materials.

[0003] Traditional recycling devices include a main body, feed inlet, drive motor, protective shell, drive rod, first cutter, driven rod, second cutter, discharge port, connecting belt and connecting rod, etc. The advantage of this recycling device is that it can avoid clogging of the discharge port.

[0004] Traditional recycling devices use horizontally arranged first and second cutting blades to crush materials. However, the thin film easily gets tangled on the crushing structure during the crushing process, requiring users to frequently stop the machine to disassemble and clean it. This results in poor reliability of the recycling device and affects the user experience, necessitating an urgent improvement. Summary of the Invention

[0005] The purpose of this invention is to provide a waste recycling device for polyimide film production, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a waste recycling device for polyimide film production, comprising a protective support tube, a crushing mechanism being provided at the top of the protective support tube, and a feeding pipe being provided above the protective support tube for feeding the crushing mechanism. The crushing mechanism includes a pressing component for conveying, venting, and compressing materials, and a powder component for cooperating with the pressing component to crush the materials. The powder component is located at the bottom of the pressing component, and the feeding pipe is located at the top of the powder component.

[0007] As a further aspect of the present invention: the pressing assembly includes a first limiting mounting plate, which is fixed to the upper surface of the protective support tube. Several conveying units are arranged in a circular array on the first limiting mounting plate. The conveying units pass through the first limiting mounting plate and are fixedly connected to the first limiting mounting plate. A guide reinforcement cover is provided in the middle of the upper surface of the first limiting mounting plate and is fixedly connected to the first limiting mounting plate.

[0008] As a further embodiment of the present invention: a height adjustment component is fixedly connected to the top of the guide reinforcement cover, and a limit transmission disk is fixedly connected to the top telescopic end of the height adjustment component. A number of adjustable pressure columns for pressing the material conveying unit are arranged in a ring array below the limit transmission disk, and a number of limit transmission rods for adjusting the height of the adjustable pressure columns in conjunction with the height adjustment component are arranged in a ring array on the side of the limit transmission disk.

[0009] As a further embodiment of the present invention: the conveying unit includes a conveying pipe, and a plurality of brake covers are arranged at intervals inside the conveying pipe. The brake covers are arranged inside the conveying pipe and are fixedly connected to the conveying pipe. A pressure boosting component is arranged on the side of the conveying pipe to cooperate with the powder assembly to exhaust the material. The pressure boosting component is arranged through the side wall of the conveying pipe and is fixedly connected to the conveying pipe.

[0010] As a further embodiment of the present invention: the pressurizing component includes a limiting mounting cylinder, a limiting sealing plate is fixedly connected to one end of the limiting mounting cylinder away from the powder component, a second limiting mounting disc is slidably connected inside the limiting mounting cylinder, a first driving component is fixedly connected to one end of the second limiting mounting disc near the powder component, a plurality of adjustable piercing elements are arranged in a circular array on one side of the second limiting mounting disc away from the powder component, the adjustable piercing elements are fixedly connected to the second limiting mounting disc, and a plurality of first limiting through holes corresponding to the adjustable piercing elements are opened on the side of the limiting sealing plate.

[0011] As a further embodiment of the present invention: a plurality of elastic driving members are provided on the side of the second limiting mounting plate facing the limiting sealing plate, for driving the second limiting mounting plate to move away from the limiting sealing plate. One end of the elastic driving member is fixedly connected to the limiting sealing plate, and the other end of the elastic driving member is fixedly connected to the second limiting mounting plate.

[0012] As a further embodiment of the present invention: a limiting brake ring is provided at one end of the limiting mounting cylinder away from the limiting sealing plate for limiting and braking the second limiting mounting disc, and the limiting brake ring is fixedly connected to the limiting mounting cylinder.

[0013] As a further embodiment of the present invention: the powder assembly includes a limiting partition plate, which is fixedly connected to a protective support tube. The limiting partition plate has several second limiting through holes corresponding to the conveying tube. A driver fixedly connected to a first limiting mounting plate is provided above the limiting partition plate. The output end of the driver is fixedly connected to a transmission shaft rotatably connected to the limiting partition plate. Several cutting blades are spaced apart at the bottom of the transmission shaft. A limiting mounting post is fixedly connected to the top of the transmission shaft. The limiting mounting post is located above the limiting partition plate. Several second driving components are embedded on the limiting mounting post to cooperate with the first driving component to drive the second limiting mounting plate to move closer to the limiting sealing plate.

[0014] As a further embodiment of the present invention: an annular support plate is provided below the feed tube to limit and support the protective support tube, the protective support tube passes through the annular support plate, and the protective support tube is fixedly connected to the annular support plate.

[0015] As a further embodiment of the present invention: a plurality of warning sleeves for warning purposes are provided at intervals at one end of the protective support tube near the annular support plate, and the warning sleeves are fixedly connected to the protective support tube.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention has a simple structure and is easy to use. During use, the film is compressed into a compact film column through the cooperation of multiple structures. Then, the downward film column is crushed by the crushing structure, which realizes rapid and thorough crushing of the material, avoids the presence of crushing dead corners in the recycling device, and the crushed material cannot be entangled on the crushing structure. Therefore, users do not need to frequently stop the recycling device for maintenance, which significantly improves the reliability of the recycling device and enhances the user experience. Secondly, the present invention has a warning function, which enriches the function of the recycling device and is worth promoting and using. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a waste recycling device for polyimide film production.

[0018] Figure 2 This is a schematic diagram of the crushing mechanism in a waste recycling device for polyimide film production.

[0019] Figure 3 This is a schematic diagram of the pressing component in a waste recycling device for polyimide film production.

[0020] Figure 4 An exploded view of the material conveying unit in a waste recycling device for polyimide film production.

[0021] Figure 5 An exploded view of the structure of a pressurizing component in a waste recycling device for polyimide film production;

[0022] Figure 6 This is a schematic diagram of the powder component in a waste recycling device for polyimide film production.

[0023] In the diagram: 1-Feeding pipe, 2-Crushing mechanism, 3-Protective support pipe, 4-Annular support plate, 5-Warning sleeve, 21-Pressure pressing assembly, 22-Powder assembly, 210-First limit mounting plate, 23-Feeding unit, 211-Limit transmission rod, 212-Limit transmission plate, 213-Height adjustment component, 214-Guide reinforcement cover, 215-Adjustable pressure column, 231-Feeding pipe, 232-Brake cover, 24-Pressure booster component 240-First driving component, 241-Elastic driving component, 242-First limiting through hole, 243-Limiting sealing plate, 244-Limiting mounting cylinder, 245-Adjustable piercing component, 246-Second limiting mounting plate, 247-Limiting brake ring, 220-Drive shaft, 221-Cutter, 222-Second limiting through hole, 223-Limiting separator plate, 224-Limiting mounting post, 225-Driver, 226-Second driving component. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "connection", "linking", and "setting" should be interpreted broadly. For example, they can refer to fixed connection or setting, detachable connection or setting, or integral connection or setting.

[0026] Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0027] Please see Figures 1-6This embodiment provides a waste recycling device for polyimide film production, including a protective support tube 3. A crushing mechanism 2 is provided at the top of the protective support tube 3. A feeding pipe 1 is provided above the protective support tube 3 to feed the crushing mechanism 2. The crushing mechanism 2 includes a pressing component 21 for conveying, venting and compressing materials and a powder component 22 for crushing materials in conjunction with the pressing component 21. The powder component 22 is located at the bottom of the pressing component 21, and the feeding pipe 1 is located at the top of the powder component 22. An annular support plate 4 is provided below the feeding pipe 1 to limit and support the protective support tube 3. The protective support tube 3 passes through the annular support plate 4 and is fixedly connected to the annular support plate 4. Several warning sleeves 5 are provided at intervals near the annular support plate 4 for warning purposes. The warning sleeves 5 are reflective tubes or fluorescent tubes and are fixedly connected to the protective support tube 3.

[0028] Please see Figure 1 , Figure 2 and Figure 3 In one embodiment, to make the use of the pressing assembly 21 more reliable, preferably, the pressing assembly 21 includes a first limiting mounting plate 210, which is fixed to the upper surface of the protective support tube 3. A plurality of conveying units 23 are arranged in a circular array on the first limiting mounting plate 210, and the conveying units 23 penetrate the first limiting mounting plate 210 and are fixedly connected to the first limiting mounting plate 210. A guide reinforcement cover 214 is provided in the middle of the upper surface of the first limiting mounting plate 210, and the guide reinforcement cover 214 is connected to the first... The limiting mounting plate 210 is fixedly connected, and the top of the guide reinforcement cover 214 is fixedly connected to a height adjustment component 213, which is an electric telescopic rod. The top telescopic end of the height adjustment component 213 is fixedly connected to a limiting transmission plate 212. Several adjustable pressure columns 215 for pressing the material conveying unit 23 are arranged in a ring array below the limiting transmission plate 212. Several limiting transmission rods 211 for cooperating with the height adjustment component 213 to adjust the height of the adjustable pressure columns 215 are arranged in a ring array on the side of the limiting transmission plate 212.

[0029] Please see Figure 3 and Figure 4In one embodiment, to make the use of the conveying unit 23 more reliable, the conveying unit 23 preferably includes a conveying pipe 231. A plurality of brake covers 232 are arranged at intervals inside the conveying pipe 231. The brake covers 232 are arranged inside the conveying pipe 231 and are fixedly connected to the conveying pipe 231. A pressure boosting component 24 is arranged on the side of the conveying pipe 231 to cooperate with the powder assembly 22 to exhaust the material. The pressure boosting component 24 is arranged through the side wall of the conveying pipe 231 and is fixedly connected to the conveying pipe 231.

[0030] Please see Figure 3 , Figure 4 and Figure 5 In one embodiment, to make the use of the pressurizing component 24 more reliable, the pressurizing component 24 preferably includes a limiting mounting cylinder 244. A limiting sealing plate 243 is fixedly connected to one end of the limiting mounting cylinder 244 away from the powder assembly 22. A second limiting mounting disk 246 is slidably connected inside the limiting mounting cylinder 244. A first driving member 240 is fixedly connected to one end of the second limiting mounting disk 246 near the powder assembly 22. The first driving member 240 is a neodymium iron boron magnet. A plurality of adjustable piercing members 245 are arranged in a ring array on the side of the second limiting mounting disk 246 away from the powder assembly 22. The adjustable piercing members 245 are fixedly connected to the second limiting mounting disk 246. A plurality of first limiting through holes 242 corresponding to the adjustable piercing members 245 are opened on the side of the limiting sealing plate 243.

[0031] Please see Figure 5 In one embodiment, to make the use of the pressurizing component 24 more reliable, preferably, the second limiting mounting plate 246 is provided with a plurality of elastic driving members 241 on the side facing the limiting sealing plate 243, which are used to drive the second limiting mounting plate 246 to move away from the limiting sealing plate 243. The elastic driving members 241 are springs, one end of the elastic driving members 241 is fixedly connected to the limiting sealing plate 243, and the other end of the elastic driving members 241 is fixedly connected to the second limiting mounting plate 246. The end of the limiting mounting cylinder 244 away from the limiting sealing plate 243 is provided with a limiting braking ring 247 for limiting and braking the second limiting mounting plate 246. The limiting braking ring 247 is fixedly connected to the limiting mounting cylinder 244.

[0032] In another embodiment, to make the use of the pressing assembly 21 more reliable, preferably, the pressing assembly 21 includes a first limiting mounting plate 210, which is fixed to the upper surface of the protective support tube 3. A plurality of conveying units 23 are arranged in a circular array on the first limiting mounting plate 210, and the conveying units 23 penetrate the first limiting mounting plate 210 and are fixedly connected to the first limiting mounting plate 210. A guide reinforcement cover 214 is provided in the middle of the upper surface of the first limiting mounting plate 210, and the guide reinforcement cover 214 is connected to... The first limiting mounting plate 210 is fixedly connected, and the top of the guide reinforcement cover 214 is fixedly connected to a height adjustment component 213, which is a cylinder. The top telescopic end of the height adjustment component 213 is fixedly connected to a limiting transmission plate 212. Several adjustable pressing columns 215 for pressing the material conveying unit 23 are arranged in a ring array below the limiting transmission plate 212. Several limiting transmission rods 211 for cooperating with the height adjustment component 213 to adjust the height of the adjustable pressing columns 215 are arranged in a ring array on the side of the limiting transmission plate 212.

[0033] In another embodiment, to make the use of the conveying unit 23 more reliable, in this embodiment, preferably, the conveying unit 23 includes a conveying pipe 231. The top of the conveying pipe 231 is arranged in a ring array with several inclined limiting brake rods. The ends of the limiting brake rods are inclined away from the discharge pipe 1. The limiting brake rods are fixedly connected to the conveying pipe 231. The side of the conveying pipe 231 is provided with a pressurizing component 24 for cooperating with the powder component 22 to exhaust the material. The pressurizing component 24 is provided through the side wall of the conveying pipe 231 and is fixedly connected to the conveying pipe 231.

[0034] In another embodiment, to make the use of the pressurizing component 24 more reliable, the pressurizing component 24 preferably includes a limiting mounting cylinder 244. A limiting sealing plate 243 is fixedly connected to one end of the limiting mounting cylinder 244 away from the powder assembly 22. A second limiting mounting disc 246 is slidably connected inside the limiting mounting cylinder 244. A first driving member 240, which is an electromagnetic block, is fixedly connected to one end of the second limiting mounting disc 246 near the powder assembly 22. A plurality of adjustable piercing members 245 are arranged in a circular array on the side of the second limiting mounting disc 246 away from the powder assembly 22. The adjustable piercing members 245 are fixedly connected to the second limiting mounting disc 246. A plurality of first limiting through holes 242 corresponding to the adjustable piercing members 245 are opened on the side of the limiting sealing plate 243.

[0035] In another embodiment, to make the use of the pressurizing component 24 more reliable, preferably, the second limiting mounting plate 246 is provided with a plurality of elastic driving members 241 on the side facing the limiting sealing plate 243 for driving the second limiting mounting plate 246 to move away from the limiting sealing plate 243. The elastic driving members 241 are metal springs. One end of the elastic driving member 241 is fixedly connected to the limiting sealing plate 243, and the other end of the elastic driving member 241 is fixedly connected to the second limiting mounting plate 246. The end of the limiting mounting cylinder 244 away from the limiting sealing plate 243 is provided with a limiting braking ring 247 for limiting and braking the second limiting mounting plate 246. The limiting braking ring 247 is fixedly connected to the limiting mounting cylinder 244.

[0036] Please see Figure 1 , Figure 2 and Figure 6 In one embodiment, to make the use of the powder assembly 22 more reliable, the powder assembly 22 preferably includes a limiting partition plate 223, which is fixedly connected to the protective support tube 3. The limiting partition plate 223 has several second limiting through holes 222 corresponding to the conveying tube 231. Above the limiting partition plate 223 is a driver 225 fixedly connected to the first limiting mounting plate 210. The driver 225 is an electric motor, and its output end is fixedly connected to a rotatably connected device that rotates with the limiting partition plate 223. The drive shaft 220 has several cutting blades 221 spaced apart at its bottom. The uppermost cutting blade 221 is positioned close to the outlet of the feed pipe 231. The top of the drive shaft 220 is fixedly connected to a limiting mounting post 224. The limiting mounting post 224 is positioned above the limiting partition plate 223. Several second driving components 226 are embedded on the limiting mounting post 224 to cooperate with the first driving component 240 to drive the second limiting mounting plate 246 to move closer to the limiting sealing plate 243. The second driving component 226 is a neodymium iron boron magnetic plate.

[0037] In another embodiment, to make the use of the powder assembly 22 more reliable, preferably, the powder assembly 22 includes a limiting partition plate 223, which is fixedly connected to the protective support tube 3. The limiting partition plate 223 has several second limiting through holes 222 corresponding to the conveying tube 231. Above the limiting partition plate 223 is a driver 225 fixedly connected to the first limiting mounting plate 210. The driver 225 is a pneumatic motor, and its output end is fixedly connected to a component that rotates the limiting partition plate 223. The drive shaft 220 is connected, and several cutting blades 221 are spaced apart at the bottom of the drive shaft 220. The uppermost cutting blade 221 is set close to the discharge port of the feed pipe 231. The top of the drive shaft 220 is fixedly connected to a limiting mounting post 224. The limiting mounting post 224 is set above the limiting partition plate 223. Several second driving components 226 are embedded on the limiting mounting post 224 to cooperate with the first driving component 240 to drive the second limiting mounting plate 246 to move closer to the limiting sealing plate 243. The second driving component 226 is an electromagnetic plate.

[0038] The working principle and usage process of this invention: During use, the drive shaft 220 is rotated by the driver 225, and the cutter 221 rotates at this time, feeding the polyimide film (hereinafter referred to as material) to be recycled into the feeding pipe 1. At this time, the height adjustment component 213 is controlled to continuously extend and retract. When the height adjustment component 213 extends and drives the adjustable pressure column 215 to move upward, part of the material in the feeding pipe 1 enters the conveying pipe 231. When the height adjustment component 213 retracts and drives the adjustable pressure column 215 to move downward, the adjustable pressure column 215 inserts into the inside of the conveying pipe 231 to squeeze the loose material. With continuous feeding and squeezing, the material is squeezed into a tight columnar structure inside the conveying pipe 231.

[0039] As the material moves downward in the conveying pipe 231, the rotation of the limiting mounting column 224 drives the second driving component 226 to intermittently drive the first driving component 240. Combined with the limiting effect of the elastic driving component 241, the adjustable piercing component 245 moves laterally back and forth. The adjustable piercing component 245 intermittently pierces and vents the downward material through the laterally back and forth movement of the adjustable piercing component 245, avoiding the retention of a large amount of air in the material and affecting the compression effect, thereby improving the compression compactness of the material by the device.

[0040] When the bottom of the compact material column extends out of the conveying pipe 231, the rotating cutting blade 221 cuts and crushes the protruding material, thereby turning the material into a pulverized state. Not only are there no dead corners in the pulverization, but the pulverization speed is also faster. Then, the material is pulverized a second time by the subsequent cutting blade 221 to further improve the pulverization effect. Then the material falls through the protective support pipe 3 to complete the recycling.

[0041] Through the coordinated operation of multiple structures, the deposited film is compressed into a compact film column. Then, the descending film column is pulverized by the crushing structure, achieving rapid and thorough pulverization of the material. This avoids dead zones in the pulverization process and prevents the pulverized material from becoming entangled on the crushing structure. Consequently, users no longer need to frequently stop the recycling device for maintenance, significantly improving the reliability of the recycling device and enhancing the user experience. Furthermore, this invention features a warning function, enriching the functionality of the recycling device. In addition, the invention has a simple structure, is easy to use, and is worthy of promotion and application.

[0042] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0043] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A waste recycling device for polyimide film production, comprising a protective support tube, characterized in that: The top of the protective support pipe is equipped with a crushing mechanism, and a feeding pipe is provided above the protective support pipe for feeding the crushing mechanism. The crushing mechanism includes a pressing component for conveying, venting and compressing materials and a powder component for crushing materials in conjunction with the pressing component. The powder component is located at the bottom of the pressing component, and the feeding pipe is located at the top of the powder component.

2. The waste recycling device for polyimide film production according to claim 1, characterized in that: The pressing assembly includes a first limiting mounting plate, which is fixed to the upper surface of the protective support tube. Several material conveying units are arranged in a circular array on the first limiting mounting plate. The material conveying units pass through the first limiting mounting plate and are fixedly connected to the first limiting mounting plate. A guide reinforcement cover is provided in the middle of the upper surface of the first limiting mounting plate and is fixedly connected to the first limiting mounting plate.

3. The waste recycling device for polyimide film production according to claim 2, characterized in that: The top of the guide reinforcement cover is fixedly connected to a height adjustment component. The top telescopic end of the height adjustment component is fixedly connected to a limit transmission disc. Below the limit transmission disc, several adjustable pressure columns are arranged in a circular array to press the material conveying unit. On the side of the limit transmission disc, several limit transmission rods are arranged in a circular array to cooperate with the height adjustment component to adjust the height of the adjustable pressure columns.

4. The waste recycling device for polyimide film production according to claim 3, characterized in that: The conveying unit includes a conveying pipe, and several brake covers are spaced apart inside the conveying pipe. The brake covers are located inside the conveying pipe and are fixedly connected to the conveying pipe. A pressure boosting component is provided on the side of the conveying pipe to cooperate with the powder assembly to exhaust the material. The pressure boosting component is installed through the side wall of the conveying pipe and is fixedly connected to the conveying pipe.

5. The waste recycling device for polyimide film production according to claim 4, characterized in that: The pressurizing component includes a limiting mounting cylinder. A limiting sealing plate is fixedly connected to one end of the limiting mounting cylinder away from the powder component. A second limiting mounting disc is slidably connected inside the limiting mounting cylinder. A first driving component is fixedly connected to one end of the second limiting mounting disc near the powder component. Several adjustable piercing components are arranged in a circular array on the side of the second limiting mounting disc away from the powder component. The adjustable piercing components are fixedly connected to the second limiting mounting disc. Several first limiting through holes corresponding to the adjustable piercing components are opened on the side of the limiting sealing plate.

6. The waste recycling device for polyimide film production according to claim 5, characterized in that: The second limiting mounting plate has several elastic driving members on the side facing the limiting sealing plate, which are used to drive the second limiting mounting plate to move away from the limiting sealing plate. One end of the elastic driving member is fixedly connected to the limiting sealing plate, and the other end of the elastic driving member is fixedly connected to the second limiting mounting plate.

7. The waste recycling device for polyimide film production according to claim 6, characterized in that: The end of the limiting mounting cylinder away from the limiting sealing plate is provided with a limiting braking ring for limiting and braking the second limiting mounting plate. The limiting braking ring is fixedly connected to the limiting mounting cylinder.

8. The waste recycling device for polyimide film production according to claim 7, characterized in that: The powder assembly includes a limiting partition plate, which is fixedly connected to a protective support tube. The limiting partition plate has several second limiting through holes corresponding to the conveying tube. Above the limiting partition plate is a driver that is fixedly connected to a first limiting mounting plate. The output end of the driver is fixedly connected to a transmission shaft that is rotatably connected to the limiting partition plate. Several cutting blades are spaced apart at the bottom of the transmission shaft. A limiting mounting post is fixedly connected to the top of the transmission shaft. The limiting mounting post is located above the limiting partition plate and has several second driving components embedded in it to cooperate with the first driving component to drive the second limiting mounting plate to move closer to the limiting sealing plate.

9. The waste recycling device for polyimide film production according to any one of claims 1-8, characterized in that: Below the feed pipe is an annular support plate for limiting and supporting the protective support pipe. The protective support pipe passes through the annular support plate and is fixedly connected to the annular support plate.

10. The waste recycling device for polyimide film production according to claim 9, characterized in that: The protective support tube is provided with several warning sleeves at intervals at one end near the annular support plate, and the warning sleeves are fixedly connected to the protective support tube.

Images