Feeding device for polytetrafluoroethylene processing
By designing the feeding device of the screening component and the quantitative component, the problem of the inability to screen the size of polytetrafluoroethylene particles in the existing technology is solved, the uniform heating of the particles and the quantitative feeding are achieved, and the quality of the finished product is improved.
Patent Information
- Application Number
- CN202422800124.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-18
AI Technical Summary
The existing feeding device is unable to screen the size of polytetrafluoroethylene solid particles, resulting in different degrees of melting during the mixing process, affecting the quality of the finished product.
A feeding device including a screening component and a quantitative component is designed. Particles are screened through a vibrating screen hopper, and uniform feeding is achieved through the quantitative component to ensure that the particles are evenly heated.
The uniform screening and quantitative addition of polytetrafluoroethylene particles are achieved, the quality of the finished product is improved, and quality problems caused by uneven melting are avoided.
Smart Images

Figure CN223354665U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polytetrafluoroethylene processing, in particular to a feeding device for polytetrafluoroethylene processing. Background Art
[0002] Polytetrafluoroethylene is a high molecular polymer made by polymerizing tetrafluoroethylene monomers. Before being processed into finished products, polytetrafluoroethylene usually exists in the form of granules, powders or sheets. These are the original forms of polytetrafluoroethylene for further processing and molding.
[0003] The existing feeding device also has the following problems. Reference publication number CN216756312U discloses a feeding device for polytetrafluoroethylene tube processing, which relates to the technical field of polytetrafluoroethylene tube processing and includes a stirring barrel. The top surface of the stirring barrel is provided with a fixed seat, the top surface of the fixed seat is provided with a motor, and the output end of the motor is fixedly provided with a stirring rod a, the surface of the stirring rod a is provided with a gear a, and the surface of the stirring rod a is provided with a connecting rod at a position away from the gear a, and one end of the connecting rod is provided with a stirring rod b. In actual use, by arranging a stirring barrel, a motor, a stirring rod a, a gear a, a connecting rod, a gear b, a stirring rod b, a gear c, a stirring rod c, a feeding port and a discharging pipe, it is convenient for people to stir different raw materials required for polytetrafluoroethylene tube processing. At the same time, multiple groups of stirring rods are driven to stir through gear transmission, thereby improving the stirring efficiency, so that the raw materials can be mixed quickly, improving work efficiency and facilitating practical use.
[0004] However, the above technology cannot solve the problem in the prior art that the feeding device cannot screen the size of the polytetrafluoroethylene solid particles, resulting in different degrees of melting of the polytetrafluoroethylene solid particles during mixing and processing, affecting the quality of the finished product. Therefore, the present utility model provides a feeding device for polytetrafluoroethylene processing. Utility Model Content
[0005] In response to the deficiencies of the prior art, the utility model provides a feeding device for polytetrafluoroethylene processing, which solves the problem in the prior art that the feeding device cannot screen the size of polytetrafluoroethylene solid particles, resulting in different degrees of melting of polytetrafluoroethylene solid particles when heated during mixing processing, affecting the quality of the finished product.
[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A feeding device for polytetrafluoroethylene processing, comprising a feeding box, wherein the feeding box is provided with a feeding mechanism for feeding, and the feeding mechanism comprises:
[0007] The screening assembly includes a group of sliding grooves provided on the feeding box, and a group of sliding grooves are respectively located on both sides of the feeding box, a group of sliding grooves are slidably connected to a sliding block, a group of sliding blocks are fixedly connected to a closing plate, a group of closing plates are fixedly connected between a screening hopper, and the screening hopper is located in the feeding box, and a vibration assembly for driving the screening hopper to vibrate is provided on the side wall of the feeding box;
[0008] The quantitative component is provided at the bottom of the feeding box for quantitative feeding.
[0009] Preferably, the vibration assembly includes a rectangular plate, a pair of the rectangular plates are respectively fixed to a group of sliding blocks, and a pair of rectangular plates are respectively located on both sides of the feeding box, a pair of rectangular plates are respectively fixed to the top of a rectangular block, and a pair of rectangular blocks are provided with isosceles grooves.
[0010] Preferably, a rotating rod is rotatably connected between the opposite side walls of the feeding box, and both ends of the rotating rod pass through both sides of the feeding box respectively. A disc is fixed at both ends of the rotating rod, and a pair of sliding rods are fixed on the side walls of the disc, and the sliding rods are slidably connected in the isosceles groove.
[0011] Preferably, a first motor is fixedly connected to the side wall of the feeding box via a first fixed block, and a first driving rod is provided at the output end of the first motor. The first driving rod is connected to the rotating rod via a pair of sprockets and a chain transmission.
[0012] Preferably, the quantitative component includes a conveying pipe fixedly connected to the bottom of the feeding box, a rotating through slot is provided on the conveying pipe, a second motor is fixedly connected to the conveying pipe via a second fixed block, and a second driving rod is provided at the output end of the second motor.
[0013] Preferably, a circular plate is fixed to the bottom of the second driving rod, and the circular plate is rotatably connected in the rotating through groove. A rectangular through groove is opened on the circular plate, and a movable groove is opened at the bottom of the circular plate. A movable block is fixed to the wall of the movable groove through a pair of electric push rods, and the movable block is slidably connected in the movable groove.
[0014] Beneficial effects
[0015] The utility model provides a feeding device for polytetrafluoroethylene processing. Compared with the existing technology, it has the following advantages:
[0016] (1) The feeding device for polytetrafluoroethylene processing drives the screening hopper to vibrate and screen materials through the vibration provided, thereby avoiding the problem in the prior art that the feeding device cannot screen the size of polytetrafluoroethylene solid particles, resulting in different degrees of melting of polytetrafluoroethylene solid particles during mixing processing, which affects the quality of the finished product. In addition, the quantitative component provided can be used to feed the material in a quantitative manner so that it can be heated evenly. After the feeding is completed, the material on the screening hopper can be recovered by a device similar to a dust collection device.
[0017] (2) The feeding device for processing polytetrafluoroethylene drives the second driving rod to rotate by the second motor, thereby driving the circular plate to rotate in the rotating groove, so that the rectangular groove can be intermittently aligned with the conveying pipe, thereby achieving the purpose of quantitative conveying, avoiding excessive feeding at one time, resulting in slow heating efficiency and being unfavorable for uniform heating of the material, and the size of the rectangular groove can be controlled by a pair of electric push rods, so that the single conveying volume can be adjusted according to demand. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a three-dimensional diagram of the utility model;
[0019] Figure 2 This is a schematic diagram of the sliding block of the present utility model;
[0020] Figure 3 This is a schematic diagram of the rotating rod of the present utility model;
[0021] Figure 4 This is an exploded view of the circular plate of the present invention;
[0022] Figure 5 This is a schematic diagram of the moving block of the present utility model.
[0023] In the figure: 1. feeding box; 2. sliding trough; 3. sliding block; 4. closing plate; 5. screening hopper; 6. rectangular plate; 7. rectangular block; 8. isosceles trough; 9. rotating rod; 10. circular disc; 11. sliding rod; 12. first motor; 13. first driving rod; 14. conveying pipe; 15. rotating trough; 16. second motor; 17. second driving rod; 18. circular plate; 19. rectangular trough; 20. moving trough; 21. moving block. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0025] See also Figure 1-5 The utility model provides a technical solution: a feeding device for polytetrafluoroethylene processing, comprising a feeding box 1, a feeding mechanism for feeding is provided on the feeding box 1, the feeding mechanism comprises: a screening assembly, comprising a group of sliding grooves 2 opened on the feeding box 1, and a group of sliding grooves 2 are respectively located on both sides of the feeding box 1, a group of sliding grooves 2 are slidably connected with sliding blocks 3, a group of sliding blocks 3 are fixedly connected with closing plates 4, a group of closing plates 4 are fixedly connected with a screening hopper 5, and the screening hopper 5 is located in the feeding box 1, and a side wall of the feeding box 1 is provided with a device for driving the screening hopper 5 to vibrate. Vibration component; quantitative component, the bottom of the feeding box 1 is used for quantitative feeding; the vibration is driven by the screening hopper 5 to vibrate and screen the material, thereby avoiding the problem in the prior art that the feeding device cannot screen the size of the polytetrafluoroethylene solid particles, resulting in different degrees of melting of the polytetrafluoroethylene solid particles during mixing processing, affecting the quality of the finished product, and through the quantitative component, the material can be quantitatively fed to allow it to be heated evenly. After the feeding is completed, the material on the screening hopper 5 can be recovered by equipment similar to a dust collection device.
[0026] In this embodiment, the vibration assembly includes a rectangular plate 6, a pair of rectangular plates 6 are respectively fixed to a group of sliding blocks 3, and the pair of rectangular plates 6 are respectively located on both sides of the feeding box 1, and a rectangular block 7 is fixed to the top of the pair of rectangular plates 6, and an isosceles groove 8 is opened on the pair of rectangular blocks 7. A rotating rod 9 is rotatably connected between the opposite side walls of the feeding box 1, and the two ends of the rotating rod 9 pass through the two sides of the feeding box 1 respectively, and a disc 10 is fixed to both ends of the rotating rod 9. A pair of sliding rods 11 are fixed to the side walls of the disc 10, and the sliding rod 11 is slidably connected in the isosceles groove 8; by rotating the set rotating rod 9, the disc 10 can be driven to rotate, so that the sliding rod 11 slidably connected in the isosceles groove 8 can drive the rectangular block 7, rectangular plate 6, sliding block 3 and closing plate 4 to vibrate, so that the material can be screened through the screening hopper 5.
[0027] In this embodiment, a first motor 12 is fixed to the side wall of the feeding box 1 through a first fixed block, and a first driving rod 13 is provided at the output end of the first motor 12. The first driving rod 13 is connected to the rotating rod 9 through a pair of sprockets and a chain transmission; the first driving rod 13 is driven to rotate by the first motor 12, so that the rotating rod 9 connected through a pair of sprockets and a chain transmission can be driven to rotate by the first driving rod 13.
[0028] In this embodiment, the quantitative component includes a delivery pipe 14 fixed to the bottom of the feeding box 1, a rotating through slot 15 is provided on the delivery pipe 14, a second motor 16 is fixed to the delivery pipe 14 through a second fixed block, and a second driving rod 17 is provided at the output end of the second motor 16. A circular plate 18 is fixed to the bottom of the second driving rod 17, and the circular plate 18 is rotatably connected to the rotating through slot 15. A rectangular through slot 19 is provided on the circular plate 18, and a movable slot 20 is provided at the bottom of the circular plate 18. The movable slot 20 is fixed to the wall of the movable slot 20 by a pair of electric push rods. The movable block 21 is slidably connected in the movable groove 20; the second motor 16 is provided to drive the second driving rod 17 to rotate, thereby driving the circular plate 18 to rotate in the rotating through groove 15, so that the rectangular through groove 19 can be intermittently aligned with the conveying pipe 14, so as to achieve the purpose of quantitative conveying, avoid excessive one-time addition, resulting in slow heating efficiency, which is not conducive to uniform heating of the material, and the size of the rectangular through groove 19 can be controlled by a pair of electric push rods, so that the single conveying volume can be adjusted according to demand.
[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.
[0030] During operation, the screening hopper 5 is driven by the vibration to vibrate and screen the material, thereby avoiding the problem in the prior art that the feeding device cannot screen the size of the polytetrafluoroethylene solid particles, resulting in different degrees of melting of the polytetrafluoroethylene solid particles during mixing and processing, which affects the quality of the finished product. In addition, the quantitative component is provided, and the material can be quantitatively added to allow it to be heated evenly. After the addition is completed, the material on the screening hopper 5 can be recovered by a device similar to a dust collection device. The first motor 12 drives the first driving rod 13 to rotate, so that the first driving rod 13 can drive the rotating rod 9 connected by a pair of sprockets and a chain to rotate. The rotating rod is provided 9 rotates, which can drive the disc 10 to rotate, so that the sliding rod 11 slidably connected in the isosceles groove 8 can drive the rectangular block 7, the rectangular plate 6, the sliding block 3 and the closing plate 4 to vibrate, so that the material can be screened through the screening hopper 5, and the second motor 16 is used to drive the second driving rod 17 to rotate, thereby driving the circular plate 18 to rotate in the rotating through groove 15, so that the rectangular through groove 19 can be intermittently aligned with the conveying pipe 14, so as to achieve the purpose of quantitative conveying, avoid excessive one-time addition, resulting in slow heating efficiency, which is not conducive to uniform heating of the material, and the size of the rectangular through groove 19 can be controlled by a pair of electric push rods, so that the single conveying volume can be adjusted according to demand.
[0031] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A feeding device for processing polytetrafluoroethylene, comprising a feeding box (1), characterized in that: The feeding box (1) is provided with a feeding mechanism for feeding materials, and the feeding mechanism comprises: A screening material assembly comprises a group of sliding grooves (2) provided on a feeding box (1), wherein the group of sliding grooves (2) are respectively located on both sides of the feeding box (1), a group of sliding grooves (2) are slidably connected with sliding blocks (3), a group of sliding blocks (3) are fixedly connected with closing plates (4), a group of screening material hoppers (5) are fixedly connected between the closing plates (4), and the screening material hoppers (5) are located in the feeding box (1), and a vibration assembly for driving the screening material hopper (5) to vibrate is provided on the side wall of the feeding box (1); The quantitative component is provided at the bottom of the feeding box (1) for quantitative feeding.
2. A feeding device for polytetrafluoroethylene processing according to claim 1, characterized in that: The vibration assembly includes a rectangular plate (6), a pair of the rectangular plates (6) are respectively fixed to a group of sliding blocks (3), and the pair of rectangular plates (6) are respectively located on both sides of the feeding box (1), the tops of the pair of rectangular plates (6) are both fixed to rectangular blocks (7), and the pair of rectangular blocks (7) are both provided with isosceles grooves (8).
3. The feeding device for polytetrafluoroethylene processing according to claim 2, characterized in that: A rotating rod (9) is rotatably connected between opposite side walls of the feeding box (1), and two ends of the rotating rod (9) respectively pass through two sides of the feeding box (1). Both ends of the rotating rod (9) are fixedly connected to a disk (10), and a pair of sliding rods (11) are fixedly connected to the side walls of the disk (10). The sliding rods (11) are slidably connected in the isosceles groove (8).
4. The feeding device for polytetrafluoroethylene processing according to claim 3, characterized in that: A first motor (12) is fixedly connected to the side wall of the feeding box (1) via a first fixing block. A first driving rod (13) is provided at the output end of the first motor (12). The first driving rod (13) is connected to the rotating rod (9) via a pair of sprockets and a chain transmission.
5. The feeding device for polytetrafluoroethylene processing according to claim 1, characterized in that: The quantitative assembly comprises a delivery pipe (14) fixedly connected to the bottom of the feeding box (1), a rotation slot (15) being provided on the delivery pipe (14), a second motor (16) being fixedly connected to the delivery pipe (14) via a second fixing block, and a second driving rod (17) being provided at the output end of the second motor (16).
6. A feeding device for processing polytetrafluoroethylene according to claim 5, characterized in that: A circular plate (18) is fixedly connected to the bottom of the second driving rod (17), and the circular plate (18) is rotatably connected in the rotating through groove (15). A rectangular through groove (19) is provided on the circular plate (18). A movable groove (20) is provided at the bottom of the circular plate (18). A movable block (21) is fixedly connected to the groove wall of the movable groove (20) through a pair of electric push rods, and the movable block (21) is slidably connected in the movable groove (20).