A freezing and crushing device for highly elastic fluoropolymer

By designing a freezing crushing device for high-elastic fluoropolymers including a box, a vibration frame, a filter plate and a crushing box, combined with the use of liquid nitrogen freezing and spray head atomization liquid nitrogen, the problems of uneven crushing and non-fine crushing of high-elastic fluoropolymers in the prior art have been solved, and a more efficient crushing effect has been achieved.

CN222712569UActive Publication Date: 2025-04-04SHANDONG QIRUNYUAN NEW MATERIAL TECH CO LTD +1
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Patent Information

Application Number
CN202420830012.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-04-04
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

When the existing freezing and crushing device crushes high elastic fluoropolymers, there is a problem of uneven crushing and no fine collection, which affects subsequent use and processing.

Method used

A refrigeration and crushing device for high elastic fluoropolymers is designed, using components such as box, vibration frame, filter plate, conveyor belt and crushing box. Through the vibration of the vibration frame and the inclination of the filter plate, uniform crushing and re-pulverization of the polymer is achieved. Combined with the use of liquid nitrogen freezing and spray head atomization liquid nitrogen, the crushing efficiency is improved.

Benefits of technology

Through this device, the crushing effect of the high elastic fluoropolymer is significantly improved, the uniformity and fineness are greatly increased, and the freezing crushing efficiency is also improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of freezing and crushing, and in particular to a freezing and crushing device for highly elastic fluoropolymers, comprising a box body, four springs are fixedly connected to the upper part of the inner wall of the box body, the tops of the four springs are commonly fixedly connected to a vibration frame, one side of the vibration frame is provided with an opening, the inner wall of the vibration frame is fixedly connected to a filter plate, one side of the outer wall of the vibration frame is fixedly connected to a vibration motor, and the lower part of the inner wall of the box body is provided with a first conveyor belt. The utility model has the advantages that when the highly elastic fluoropolymer enters the interior of the box body after being crushed by the crushing box, due to the inclined setting of the filter plate, the highly elastic fluoropolymer can guide the unfiltered part to the interior of the collection frame after vibration, and then the material pump re-transports the polymer in the collection frame to the interior of the crushing box for re-crushing, and this cycle is repeated until the highly elastic fluoropolymer completely passes through the filter plate, which greatly increases the uniformity and meticulousness of the polymer crushing work.
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Description

Technical Field

[0001] The utility model relates to the technical field of freezing and crushing, in particular to a freezing and crushing device for high-elastic fluoropolymer. Background Art

[0002] The cryogenic pulverizer system uses liquid nitrogen as a cold source. After the pulverized material is cooled at low temperature to achieve a brittle and easy-to-pulverize state, it enters the mechanical pulverizer cavity and rotates at high speed through the impeller. The material and the tool repeatedly impact, collide, shear, and rub against each other to achieve a pulverizing effect. When the polymer material is mechanically pulverized, it must first be brittle at low temperature, and then mechanical pulverization can be performed when the material is in a brittle and easy-to-pulverize state. However, although the existing freezing pulverizing device can achieve the pulverization of the polymer, some polymers will be unevenly pulverized and not finely pulverized during the pulverization process, affecting the subsequent use and processing of the polymer. Therefore, a freezing pulverizing device for highly elastic fluoropolymers is proposed. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a freezing and crushing device for high-elastic fluoropolymer, which effectively solves the shortcomings of the prior art.

[0004] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a freezing and crushing device for highly elastic fluoropolymers, including a box body, four springs are fixedly connected to the upper part of the inner wall of the box body, the tops of the four springs are commonly fixedly connected to a vibration frame, an opening is provided on one side of the vibration frame, the inner wall of the vibration frame is fixedly connected to a filter plate, a vibration motor is fixedly connected to one side of the outer wall of the vibration frame, a first conveyor belt is provided at the lower part of the inner wall of the box body, a first discharge port is provided on one side of the outer wall of the box body near the opening of one side of the vibration frame, a second discharge port is provided on the outer wall of the box body near one end of the first conveyor belt, one end of the first conveyor belt extends from the second discharge port, a crushing box is fixedly connected to the top surface of the outer wall of the box body, a collection frame is fixedly connected to the outer wall of the box body near the position below the first discharge port, a freezing box is provided on one side of the box body, a liquid nitrogen tank is provided on one side of the freezing box, and an opening on one side of the freezing box is located above the crushing box.

[0005] Preferably, any of the above schemes is that an end of the top surface of the outer wall of the freezing box away from the crushing box is fixedly connected to a polymer discharge box, and the polymer discharge box is in communication with the freezing box.

[0006] The technical effect achieved by adopting the above scheme is: by using this scheme, the highly elastic fluoropolymer can be transported to the inside of the freezing box and one end of the second conveyor belt by using the polymer discharge box, and the highly elastic fluoropolymer can be frozen by using the freezing box and transported and moved by the second conveyor belt.

[0007] Preferably, any of the above schemes is that a second conveyor belt is provided inside the freezing box, and the polymer discharge box is located above one end of the second conveyor belt.

[0008] The technical effect achieved by adopting the above scheme is: by using this scheme, the second conveyor belt can be used to drive the highly elastic fluoropolymer to move slowly inside the freezing box, and the moving polymer can be frozen in cooperation with the liquid nitrogen tank and the nozzle.

[0009] Preferably, any of the above schemes is that a pump is fixedly connected to the top of the liquid nitrogen tank, a connecting pipe is fixedly connected to the output end of the pump, a plurality of nozzles are fixedly connected to the top surface of the freezing box, the output ends of the plurality of nozzles are located inside the freezing box, one end of the connecting pipe away from the pump is fixedly connected to the input ends of the plurality of nozzles, and the nozzles, the connecting pipe, the pump and the liquid nitrogen tank are connected.

[0010] The technical effect achieved by adopting the above scheme is: by using this scheme, liquid nitrogen can be transported to the nozzle by a pump, and the nozzle atomizes and sprays the liquid nitrogen, and the atomized liquid nitrogen falls on the surface of the highly elastic fluoropolymer above the second conveyor belt for freezing treatment.

[0011] Preferably, any of the above schemes is that a material pump is fixedly connected to the bottom of the outer wall of the collection frame away from the box body, and a material pipe is fixedly connected to the output end of the material pump.

[0012] The technical effect achieved by adopting the above scheme is that by using the scheme, polymers with poor pulverization effect can be collected and transported by means of a material pump.

[0013] Preferably, any of the above schemes is that the filter plate is arranged at an angle, the lower end of the filter plate is close to the first discharge port, the box body is fixedly connected with a guide plate at a position close to the first discharge port, the guide plate is arranged at an angle and one end is located above the opening of the collection frame, and the end of the guide plate away from the collection frame is located below the filter plate.

[0014] The technical effect achieved by adopting the above scheme is: by using this scheme, the polymer falling from one side of the filter plate can be guided into the interior of the collection frame by using the guide plate, thereby preventing the polymer from being scattered randomly, which is more humane.

[0015] Preferably, according to any of the above schemes, one end of the second conveyor belt extends above the opening of the crushing box, and the other end of the material pipe extends above the opening of the crushing box.

[0016] The technical effect achieved by adopting the above scheme is: by using this scheme, the frozen polymer can be transported to the crushing box for crushing by using the second conveyor belt, and the polymer with poor crushing effect will be crushed again in the crushing box through the material pipe, and the cycle will be repeated in sequence, which greatly improves the crushing effect of the highly elastic fluoropolymer.

[0017] Preferably, any of the above solutions has a crushing knife rotatably connected to the inside of the crushing box.

[0018] The technical effect achieved by adopting the above scheme is that by using the scheme, the frozen highly elastic fluoropolymer can be crushed by using a crushing box.

[0019] The utility model has at least the following beneficial effects:

[0020] 1. A freezing crushing device for highly elastic fluoropolymers. When the highly elastic fluoropolymer is crushed by the crushing box and enters the interior of the box, the highly elastic fluoropolymer falls on one side of the filter plate inside the vibration frame. The vibration motor drives the vibration frame to vibrate, and the polymer passing through the filter plate is discharged from the box through the first conveyor belt and the second discharge port. Since the filter plate is set obliquely, the highly elastic fluoropolymer can guide the unfiltered part to the interior of the collection frame after vibration, and then the material pump re-transports the polymer inside the collection frame to the interior of the crushing box for re-crushing, and this cycle is repeated until the highly elastic fluoropolymer completely passes through the filter plate, which greatly increases the uniformity and fineness of the polymer crushing work.

[0021] 2. This freezing and crushing device for highly elastic fluoropolymers delivers the highly elastic fluoropolymers to one side of the first conveyor belt through a polymer discharge box, and then the highly elastic fluoropolymers move slowly, and the pump and the nozzle cooperate to spray atomized liquid nitrogen on the surface of the polymer, thereby achieving rapid cooling and freezing of the polymer, thereby improving the efficiency of the polymer freezing and crushing work. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the first view of the utility model;

[0023] Figure 2 It is a schematic diagram of the structure inside the box of the utility model;

[0024] Figure 3 It is a structural schematic diagram of the second view of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the third view of the utility model.

[0026] In the figure: 1-box, 2-plastic pump, 3-collecting frame, 4-guide plate, 5-material pipe, 6-crushing box, 7-second conveyor belt, 8-connecting pipe, 9-polymer discharge box, 10-nozzle, 11-freezing box, 12-vibration frame, 13-spring, 14-filter plate, 15-first conveyor belt, 16-first discharge port, 17-liquid nitrogen tank, 18-second discharge port, 19-vibration motor, 20-pump machine. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0028] like Figures 1 to 4 As shown, a freezing and crushing device for highly elastic fluoropolymers comprises a box body 1, four springs 13 are fixedly connected to the upper inner wall of the box body 1, the tops of the four springs 13 are commonly fixedly connected to a vibration frame 12, one side of the vibration frame 12 is provided with an opening, the inner wall of the vibration frame 12 is fixedly connected to a filter plate 14, one side of the outer wall of the vibration frame 12 is fixedly connected to a vibration motor 19, a first conveyor belt 15 is provided at the lower inner wall of the box body 1, a first discharge port 16 is provided at a position of the outer wall of the box body 1 near the opening of one side of the vibration frame 12, a second discharge port 18 is provided at a position of the outer wall of the box body 1 near one end of the first conveyor belt 15, one end of the first conveyor belt 15 extends out from the second discharge port 18, a crushing box 6 is fixedly connected to the top surface of the outer wall of the box body 1, a collecting frame 3 is fixedly connected to the outer wall of the box body 1 near the position below the first discharge port 16, a freezing box 11 is provided at one side of the box body 1, a liquid nitrogen tank 17 is provided at one side of the freezing box 11, and an opening on one side of the freezing box 11 is located above the crushing box 6.

[0029] As an optional technical solution of the present invention, a polymer discharge box 9 is fixedly connected to the top surface of the outer wall of the freezing box 11 at one end away from the crushing box 6, and the polymer discharge box 9 is communicated with the freezing box 11. By using this solution, the polymer discharge box 9 can be used to transport the highly elastic fluoropolymer to the interior of the freezing box 11 and one end of the second conveyor belt 7, and the freezing box 11 can be used to freeze the highly elastic fluoropolymer and transport it through the second conveyor belt 7.

[0030] As an optional technical solution of the present invention, a second conveyor belt 7 is provided inside the freezing box 11, and the polymer discharge box 9 is located above one end of the second conveyor belt 7. By using this solution, the second conveyor belt 7 can be used to drive the highly elastic fluoropolymer to move slowly inside the freezing box 11, and the liquid nitrogen tank 17 and the nozzle 10 can be used to freeze the moving polymer.

[0031] As an optional technical solution of the present invention, a pump 20 is fixedly connected to the top of the liquid nitrogen tank 17, and a connecting pipe 8 is fixedly connected to the output end of the pump 20. A plurality of nozzles 10 are fixedly connected to the top surface of the freezing box 11, and the output ends of the plurality of nozzles 10 are located inside the freezing box 11. One end of the connecting pipe 8 away from the pump 20 is fixedly connected to the input ends of the plurality of nozzles 10. The nozzle 10, the connecting pipe 8, the pump 20 and the liquid nitrogen tank 17 are connected. By using this solution, the pump 20 can be used to transport liquid nitrogen to the nozzle 10, and the nozzle atomizes and sprays the liquid nitrogen, and the atomized liquid nitrogen falls on the surface of the highly elastic fluoropolymer above the second conveyor belt 7 for freezing treatment.

[0032] As an optional technical solution of the present invention, a material pump 2 is fixedly connected to the bottom of the outer wall of the collecting frame 3 away from the box body 1, and a material pipe 5 is fixedly connected to the output end of the material pump 2. By using this solution, the material pump 2 can be used to collect and transport polymers with poor crushing effect.

[0033] As an optional technical solution of the present invention, the filter plate 14 is arranged at an angle, and the lower end of the filter plate 14 is close to the first discharge port 16. The guide plate 4 is fixedly connected to the position of the box body 1 close to the first discharge port 16. The guide plate 4 is arranged at an angle and one end is located above the opening of the collection frame 3. The end of the guide plate 4 away from the collection frame 3 is located below the filter plate 14. By using this solution, the guide plate 4 can be used to guide the polymer falling from one side of the filter plate 14 into the interior of the collection frame 3, preventing the polymer from being scattered at will, which is more humane.

[0034] As an optional technical solution of the present invention, one end of the second conveyor belt 7 extends above the opening of the crushing box 6, and the other end of the material pipe 5 extends above the opening of the crushing box 6. By using this solution, the second conveyor belt 7 can be used to transport the frozen polymer to the crushing box 6 for crushing. The polymer with poor crushing effect will be crushed again in the crushing box 6 through the material pipe 5, and the cycle will be repeated in sequence, which greatly increases the crushing effect of the highly elastic fluoropolymer.

[0035] As an optional technical solution of the present invention, a crushing knife is rotatably connected inside the crushing box 6. By using this solution, the crushing box 6 can be used to crush the frozen high-elastic fluoropolymer.

[0036] The freezing and crushing device for highly elastic fluoropolymers requires the following steps when used:

[0037] 1) The highly elastic fluoropolymer can guide the unfiltered part to the inside of the collection frame 3 through vibration;

[0038] 2) The material pump 2 transports the polymer in the collecting frame 3 to the inside of the crushing box 6 for re-crushing;

[0039] 3) The pump 20 and the nozzle 10 cooperate to spray the atomized liquid nitrogen onto the surface of the polymer to achieve rapid cooling and freezing of the polymer.

[0040] In summary, when the present application is in use, when the highly elastic fluoropolymer enters the interior of the box body 1 after being crushed by the crushing box 6, the highly elastic fluoropolymer falls on the side of the filter plate 14 inside the vibration frame 12, and the vibration motor 19 drives the vibration frame 12 to vibrate, and the polymer passing through the filter plate 14 is discharged from the box body 1 through the first conveyor belt 15 and the second discharge port 18. Since the filter plate 14 is arranged obliquely, the highly elastic fluoropolymer can guide the unfiltered part to the interior of the collecting frame 3 after vibration, and then the material pump 2 re-transports the polymer inside the collecting frame 3 to the interior of the crushing box 6 for re-crushing, and this cycle is repeated until the highly elastic fluoropolymer completely passes through the filter plate 14, which greatly increases the uniformity and meticulousness of the polymer crushing work, and finally the polymer discharge box 9 is used to deliver the highly elastic fluoropolymer to the side of the first conveyor belt 7, and then the highly elastic fluoropolymer moves slowly, and the pump 20 and the nozzle 10 cooperate to spray atomized liquid nitrogen on the surface of the polymer, so as to achieve rapid cooling and freezing of the polymer, thereby increasing the efficiency of the polymer freezing and crushing work.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A freezing and crushing device for highly elastic fluoropolymers, characterized in that: The invention comprises a box body (1), wherein four springs (13) are fixedly connected to the upper part of the inner wall of the box body (1), the tops of the four springs (13) are fixedly connected to a vibration frame (12), one side of the vibration frame (12) is provided with an opening, the inner wall of the vibration frame (12) is fixedly connected to a filter plate (14), one side of the outer wall of the vibration frame (12) is fixedly connected to a vibration motor (19), a first conveyor belt (15) is provided at the lower part of the inner wall of the box body (1), and a first discharge port (16) is provided at a position close to the opening of one side of the vibration frame (12) on one side of the outer wall of the box body (1). ), a second discharge port (18) is provided on the outer wall of the box body (1) near one end of the first conveyor belt (15), one end of the first conveyor belt (15) extends out from the second discharge port (18), a crushing box (6) is fixedly connected to the top surface of the outer wall of the box body (1), a collection frame (3) is fixedly connected to the outer wall of the box body (1) near a position below the first discharge port (16), a freezing box (11) is provided on one side of the box body (1), a liquid nitrogen tank (17) is provided on one side of the freezing box (11), and an opening on one side of the freezing box (11) is located above the crushing box (6).

2. A freezing and crushing device for highly elastic fluoropolymer according to claim 1, characterized in that: A polymer discharge box (9) is fixedly connected to one end of the top surface of the outer wall of the freezing box (11) away from the crushing box (6), and the polymer discharge box (9) is in communication with the freezing box (11).

3. The freezing and crushing device for highly elastic fluoropolymer according to claim 2, characterized in that: A second conveyor belt (7) is arranged inside the freezing box (11), and the polymer discharge box (9) is located above one end of the second conveyor belt (7).

4. The freeze-crushing device for highly elastic fluoropolymer according to claim 3, characterized in that: A pump (20) is fixedly connected to the top of the liquid nitrogen tank (17), and a connecting pipe (8) is fixedly connected to the output end of the pump (20). A plurality of nozzles (10) are fixedly connected to the top surface of the freezing box (11), and the output ends of the plurality of nozzles (10) are located inside the freezing box (11). One end of the connecting pipe (8) away from the pump (20) is fixedly connected to the input ends of the plurality of nozzles (10), and the nozzles (10), the connecting pipe (8), the pump (20) and the liquid nitrogen tank (17) are in communication.

5. The freezing and crushing device for highly elastic fluoropolymer according to claim 4, characterized in that: A material pump (2) is fixedly connected to the bottom of the outer wall of the collection frame (3) on the side away from the box body (1), and a material pipe (5) is fixedly connected to the output end of the material pump (2).

6. The freeze-crushing device for highly elastic fluoropolymer according to claim 5, characterized in that: The filter plate (14) is arranged obliquely, and the lower end of the filter plate (14) is close to the first discharge port (16). The box body (1) is fixedly connected to a guide plate (4) at a position close to the first discharge port (16). The guide plate (4) is arranged obliquely and one end is located above the opening of the collection frame (3), and the end of the guide plate (4) away from the collection frame (3) is located below the filter plate (14).

7. The freeze-crushing device for highly elastic fluoropolymer according to claim 6, characterized in that: One end of the second conveyor belt (7) extends above the opening of the crushing box (6), and the other end of the material pipe (5) extends above the opening of the crushing box (6).

8. The freeze-crushing device for highly elastic fluoropolymer according to claim 7, characterized in that: A crushing knife is rotatably connected inside the crushing box (6).

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