Polytetrafluoroethylene raw material shearing type mixing and stirring device and use method thereof
By designing a shear mixing and stirring device for polytetrafluoroethylene raw materials including a filtering mechanism and a stirring mechanism, the problem of the attachment of raw materials during the stirring process is solved, and more uniform mixing and higher production quality are achieved.
Patent Information
- Application Number
- CN202411771533.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-03-14
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
During the mixing and stirring process, the polytetrafluoroethylene raw materials may be attached to the inner wall of the mixing barrel, affecting the mixing uniformity and production quality.
A polytetrafluoroethylene raw material shear mixing and stirring device is designed, through the shearing movement of the agitating rod and the stirring blade, combined with the elliptical wheel-driven filter mesh column to move up and down, clean and discharge particles to prevent attachment.
It effectively improves the mixing uniformity of polytetrafluoroethylene raw materials, prevents attachment, improves production quality, and avoids blockage of the filter mechanism.
Smart Images
Figure CN119610439A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of polytetrafluoroethylene raw material processing, in particular to a polytetrafluoroethylene raw material shearing type mixing and stirring device and a use method thereof. Background Art
[0002] The PTFE raw material shearing mixing device is a mixing device specially designed for powder raw materials, aiming to achieve efficient and uniform mixing effect; The core components of the device include a special mixing barrel and its matching sealing top cover and mixing motor. The mixing arm performs shearing motion in the barrel to effectively disperse the PTFE powder and prevent agglomeration. At the same time, the auxiliary fan helps control dust and ensures uniform mixing of the powder. The design of this device improves the mixing efficiency of PTFE raw materials and ensures the consistency of product quality. It is crucial for the production of PTFE products in the chemical, medical, electronic and other industries. By optimizing the mixing process, the device helps to improve the performance of PTFE materials and meet the needs of various application scenarios. During the mixing and stirring process of the raw materials of polytetrafluoroethylene, if there is adhesion on the inner wall, it will affect the uniformity of the mixing of the raw materials of polytetrafluoroethylene, and further affect the quality of the production of polytetrafluoroethylene. Therefore, in order to solve the above problems, a shear-type mixing and stirring device for raw materials of polytetrafluoroethylene and a method for using the same are proposed. Summary of the invention
[0003] The object of the present invention is to provide a polytetrafluoroethylene raw material shearing mixing and stirring device and a method for using the same, so as to solve the problem that during the mixing and stirring process of the polytetrafluoroethylene raw material, if there is adhesion on the inner wall, it will affect the uniformity of the mixing of the polytetrafluoroethylene raw material, thereby affecting the quality of the polytetrafluoroethylene production.
[0004] To achieve the above object, the present invention provides the following technical solutions: A raw material shearing mixing and stirring device for polytetrafluoroethylene and a method for using the same, comprising a working frame, a driving unit and a stirring barrel, wherein the top of the working frame is fixedly connected to the driving unit, the top of the power output shaft of the driving unit is fixedly connected to the stirring mechanism, the bottom of the working frame is fixedly connected to the stirring barrel, a filtering mechanism is installed in the middle of the inner side of the stirring barrel through a fixed frame, a driving motor is fixedly connected to one side of the lower end of the stirring barrel, a rotating shaft is fixedly connected to the top of the main shaft of the driving motor, and an elliptical wheel is fixedly connected to the outer side of the rotating shaft; the filtering mechanism comprises a first filtering net column, a second filtering net column is installed inside the first filtering net column, a sliding groove is provided inside the upper end of the first filtering net column, a connecting piece is fixedly connected to the outer side of the upper end of the first filtering net column through a locking bolt, and a telescopic spring is installed inside the upper end of the connecting piece; the connecting piece comprises a fixed ring plate, a bent plate is welded and fixed to the upper end of the fixed ring plate, and threaded holes are provided inside the surrounding of the fixed ring plate, the second filtering net column comprises a second filtering net column body, a slider is fixedly connected to the outer side of the upper end of the second filtering net column body, and a protruding block is welded and fixed to the lower end of the second filtering net column body.
[0005] As a further optimization of the present invention, the stirring mechanism includes a stirring rod, the outer side of the lower end of the stirring rod is fixedly connected with annular stirring blades distributed equidistantly, the lower end of the stirring rod and the stirring blades are arranged inside the filtering mechanism, and the stirring rod is coaxial with the stirring barrel.
[0006] As a further optimization of the present invention, there are two slide grooves opened on the inner side of the upper end of the first filter column, and the slide grooves correspond to the sliders one by one, and the sliders are slidably connected to the first filter column through the slide grooves.
[0007] As a further optimization of the present invention, the first filter column and the second filter column body share the same axis, the inner wall of the first filter column is tightly attached to the outer wall of the second filter column body, and the mesh openings inside the first filter column and the mesh openings inside the second filter column body are staggered.
[0008] As a further optimization of the present invention, the locking bolt is spirally connected to the fixing ring plate through a threaded hole, and there are multiple locking bolts and threaded holes, which correspond one to one, and the locking bolt passes through the fixing ring plate and is tightly attached to the outer side of the upper end of the second filter column body.
[0009] As a further optimization of the present invention, there are multiple bent plates, the bent plates are L-shaped, the bent plates are fixedly connected to the upper end of the telescopic spring, and the lower end of the telescopic spring is fixedly connected to the top end of the second filter column body.
[0010] As a further optimization of the present invention, there are two raised blocks, the lateral projection of the raised blocks is semicircular, there are two elliptical wheels, the raised blocks correspond to the elliptical wheels one by one, the raised blocks are arranged at the upper end of the elliptical wheel, and the raised blocks are tightly attached to the elliptical wheels.
[0011] As a further optimization of the present invention, the rotating shaft is rotatably connected to the mixing barrel, and one end of the rotating shaft passes through the mixing barrel and is fixedly connected to the main shaft of the driving motor, and one end of the rotating shaft passes through the mixing barrel and is rotatably connected to the mixing barrel through a seal.
[0012] As a further optimization of the present invention, two fixing frames are provided, the fixing frames are H-shaped, and the middle of the fixing frames is hollowed out.
[0013] As a further optimized content of the present invention, the following steps are included: Step I: Pouring raw materials: pouring the raw materials to be stirred into the mixing barrel, and during the pouring process, preventing the particles from flying away, and pouring in accordance with the prescribed proportion; Step II: Raw material stirring: The driving unit is running, driving the stirring rod to rotate, and during the rotation of the stirring rod, the stirring blade is driven to rotate, and during the rotation of the stirring blade, the raw materials are driven to stir. During the stirring process, the agglomerates and raw materials with larger particle sizes in the raw materials will be chopped during the stirring process, thereby ensuring the uniformity of stirring; Step III: Driving the motor to operate: During the stirring process, the driving motor drives the rotating shaft to rotate, and the rotating shaft drives the elliptical wheel to rotate during the rotation process. During the rotation process, the elliptical wheel pushes the raised block to move up and down, thereby causing the second filter column body to move up and down inside the first filter column. During the up and down movement of the second filter column body, the holes opened inside the second filter column body will be aligned with the holes opened inside the first filter column, thereby cleaning the particles thrown into the mesh of the second filter column body during the rotation of the stirring blade, or discharging the particles from the holes opened inside the filter column body and the first filter column, effectively avoiding the clogging of the filtering mechanism by a large number of particles during the mixing of the raw materials; Step IV: Unloading: After the mixing is completed, take out the fully mixed raw materials in the mixing barrel and transfer or store them according to the standards.
[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, by cooperating with the provided filtering mechanism and stirring mechanism, during the process of mixing and stirring the polytetrafluoroethylene raw material inside the stirring barrel, the polytetrafluoroethylene raw material can flow inside the stirring barrel, thereby preventing the polytetrafluoroethylene raw material from adhering to the inner wall of the stirring barrel, effectively improving the uniformity of stirring the polytetrafluoroethylene raw material, and effectively improving the production quality of polytetrafluoroethylene; 2. In the present invention, the filter mechanism is set up to clean the particles that are thrown into the mesh of the second filter column body during the rotation of the stirring blade during the stirring process, or to discharge the particles from the holes opened in the filter column body and the first filter column, thereby effectively avoiding the problem of clogging the filter mechanism due to a large number of particles during the raw material mixing process; 3. In the present invention, the elliptical wheel is arranged to stably push the second filter column body up and down during the overall operation of the equipment, thereby shearing the particles stuck in the filter column body and the holes opened inside the first filter column, further improving the uniformity of mixing. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the mixing barrel of the present invention; Figure 3 It is a schematic diagram of the structure of the filtering mechanism of the present invention; Figure 4 It is a schematic diagram of the structure of the connecting piece of the present invention; Figure 5 This is a schematic diagram of the structure of the second filter column of the present invention; Figure 6 For the present invention Figure 2 Schematic diagram of the structure at A in the middle; Figure 7 For the present invention Figure 2 Schematic diagram of the structure at point B in the middle.
[0016] In the figure: 1. working frame; 2. driving unit; 3. mixing barrel; 4. stirring mechanism; 41. stirring rod; 42. stirring blade; 5. Drive motor; 6. Filter mechanism; 61. First filter column; 62, connecting piece; 621, fixing ring plate; 622, bent plate; 623, threaded hole; 63, second filter column; 631, second filter column body; 632, slider; 633, protrusion; 64. Locking bolt; 65. Telescopic spring; 66. Slide groove; 7. Fixed frame; 8. Rotating shaft; 9. Elliptical wheel. DETAILED DESCRIPTION
[0017] See also Figure 1-7 , the present invention provides a technical solution: A raw material shearing mixing and stirring device for polytetrafluoroethylene and a method for using the same include a working frame 1, a driving unit 2 and a stirring barrel 3, wherein the top of the working frame 1 is fixedly connected to the driving unit 2, the top of the power output shaft of the driving unit 2 is fixedly connected to a stirring mechanism 4, the bottom of the working frame 1 is fixedly connected to the stirring barrel 3, a filtering mechanism 6 is installed in the middle of the inner side of the stirring barrel 3 through a fixing frame 7, a driving motor 5 is fixedly connected to one side of the lower end of the stirring barrel 3, a rotating shaft 8 is fixedly connected to the top of the main shaft of the driving motor 5, and an elliptical wheel 9 is fixedly connected to the outer side of the rotating shaft 8; the filtering mechanism 6 includes a first filtering net column 61, a second filtering net column 61 is installed inside the first filtering net column 61, and a second filtering net column 61 is fixedly connected to the inner side of the first filtering net column 61. The filter column 63, a slide groove 66 is provided on the inner side of the upper end of the first filter column 61, the outer side of the upper end of the first filter column 61 is fixedly connected to the connecting piece 62 by a locking bolt 64, and a telescopic spring 65 is installed on the inner side of the upper end of the connecting piece 62; the connecting piece 62 includes a fixed ring plate 621, a bent plate 622 is welded and fixed on the upper end of the fixed ring plate 621, and threaded holes 623 are provided on the inner side around the fixed ring plate 621, the second filter column 63 includes a second filter column body 631, a slider 632 is fixedly connected to the outer side of the upper end of the second filter column body 631, and a protruding block 633 is welded and fixed on the lower end of the second filter column body 631.
[0018] As a technical solution for further implementation of this scheme, the stirring mechanism 4 includes a stirring rod 41, and the outer side of the lower end of the stirring rod 41 is fixedly connected to a ring-shaped stirring blade 42 distributed equidistantly. The lower end of the stirring rod 41 and the stirring blade 42 are arranged inside the filtering mechanism 6, and the stirring rod 41 and the stirring barrel 3 are coaxial. Through the above arrangement, the raw materials can be evenly stirred in the actual application process; As a further technical solution for implementing the present invention, two slide grooves 66 are provided on the inner side of the upper end of the first filter column 61, and the slide grooves 66 correspond to the sliders 632 one by one. The slider 632 is slidably connected to the first filter column 61 through the slide grooves 66. Through the above arrangement, the stability of the second filter column body 631 sliding inside the first filter column 61 can be improved. As a technical solution for further implementation of this scheme, the first filter column 61 and the second filter column body 631 have the same axis, the inner wall of the first filter column 61 and the outer wall of the second filter column body 631 are tightly attached, and the mesh openings inside the first filter column 61 and the mesh openings inside the second filter column body 631 are arranged in an alternating manner. Through the above arrangement, the sizes of the mesh openings inside the first filter column 61 and the mesh openings inside the second filter column body 631 can be adjusted, and at the same time, the particles stuck between the mesh openings inside the first filter column 61 and the mesh openings inside the second filter column body 631 can be sheared; As a technical solution for further implementation of this solution, the locking bolt 64 is spirally connected to the fixing ring plate 621 through the threaded hole 623. There are multiple locking bolts 64 and threaded holes 623, and there is a one-to-one correspondence between the locking bolts 64 and the threaded holes 623. The locking bolt 64 passes through the fixing ring plate 621 and is tightly attached to the outer side of the upper end of the second filter column body 631. Through the above arrangement, the connecting member 62 can be stably connected to the first filter column 61; As a further technical solution for the implementation of this solution, a plurality of bent plates 622 are provided, and the bent plates 622 are L-shaped. The bent plates 622 are fixedly connected to the upper end of the telescopic spring 65, and the lower end of the telescopic spring 65 is fixedly connected to the top of the second filter column body 631. Through the above arrangement, the top of the second filter column body 631 can be stably limited; As a technical solution for further implementation of this solution, two protruding blocks 633 are provided, and the lateral projection of the protruding blocks 633 is semicircular. The elliptical wheel 9 is provided with two protruding blocks 633 and the elliptical wheel 9 correspond one to one. The protruding blocks 633 are arranged at the upper end of the elliptical wheel 9, and the protruding blocks 633 and the elliptical wheel 9 are closely attached. Through the above arrangement, the protruding blocks 633 can be driven to move up and down during the rotation of the elliptical wheel 9; As a further technical solution of the present invention, the rotating shaft 8 is rotatably connected to the mixing barrel 3, and one end of the rotating shaft 8 passes through the mixing barrel 3 and is fixedly connected to the main shaft of the driving motor 5. One end of the rotating shaft 8 passes through the mixing barrel 3 and is rotatably connected to the mixing barrel 3 through a seal. Through the above arrangement, the stability of the elliptical wheel 9 during rotation can be ensured; As a further technical solution for implementing this scheme, two fixing frames 7 are provided, the fixing frames 7 are H-shaped, and the middle of the fixing frames 7 is hollowed out. Through the above arrangement, the influence of the fixing frames 7 on the flow of the stirred raw materials can be reduced; As a technical solution for further implementation of this scheme, the following steps are included: Step I: Pouring raw materials: pouring the raw materials to be stirred into the stirring barrel 3. During the pouring process, prevent the particles from flying away, and pour according to the prescribed proportion; Step II: stirring the raw materials: the driving unit 2 is running, driving the stirring rod 41 to rotate, and during the rotation of the stirring rod 41, the stirring blade 42 is driven to rotate, and during the rotation of the stirring blade 42, the raw materials are driven to stir, and during the stirring process, the agglomerates and raw materials with larger particle sizes in the raw materials will be chopped during the stirring process, thereby ensuring the uniformity of stirring; Step III: driving the motor 5 to operate: during the stirring process, the driving motor 5 drives the rotating shaft 8 to rotate, and the rotating shaft 8 drives the elliptical wheel 9 to rotate during the rotation process, and the elliptical wheel 9 drives the raised block 633 to move up and down during the rotation process, thereby causing the second filter column body 631 to move up and down inside the first filter column 61. During the up and down movement of the second filter column body 631, the holes opened inside the second filter column body 631 will be aligned with the holes opened inside the first filter column 61, thereby cleaning the particles thrown into the mesh of the second filter column body 631 during the rotation of the stirring blade 42, or causing the particles to be discharged from the holes opened inside the filter column body 631 and the first filter column 61, effectively avoiding the clogging of the filter mechanism 6 by a large number of particles during the mixing process of the raw materials; Step IV: Unloading: After the mixing is completed, the fully mixed raw materials in the mixing barrel 3 are taken out and transferred or stored according to the standards.
[0019] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the method and core ideas of the present invention. The above is only a preferred implementation of the present invention. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, ordinary technicians in this technical field can make several improvements, modifications or changes without departing from the principles of the present invention, and can also combine the above technical features in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the inventive concept and technical solution to other occasions without improvement, should be regarded as the protection scope of the present invention.
Claims
1. A polytetrafluoroethylene raw material shearing mixing and stirring device, comprising a working frame (1), a driving unit (2) and a stirring barrel (3), characterized in that: The top of the working frame (1) is fixedly connected to a driving unit (2), the top of the power output shaft of the driving unit (2) is fixedly connected to a stirring mechanism (4), the bottom of the working frame (1) is fixedly connected to a stirring barrel (3), a filtering mechanism (6) is installed in the middle of the inner side of the stirring barrel (3) through a fixing frame (7), a driving motor (5) is fixedly connected to one side of the lower end of the stirring barrel (3), a rotating shaft (8) is fixedly connected to the top of the main shaft of the driving motor (5), and an elliptical wheel (9) is fixedly connected to the outer side of the rotating shaft (8); The filtering mechanism (6) comprises a first filtering net column (61), a second filtering net column (63) is installed inside the first filtering net column (61), a sliding groove (66) is provided inside the upper end of the first filtering net column (61), a connecting piece (62) is fixedly connected to the outer side of the upper end of the first filtering net column (61) via a locking bolt (64), and a telescopic spring (65) is installed inside the upper end of the connecting piece (62); The connecting member (62) comprises a fixed ring plate (621), a bent plate (622) is welded and fixed to the upper end of the fixed ring plate (621), threaded holes (623) are provided on the inner sides of the four sides of the fixed ring plate (621), and the second filter screen column (63) comprises a second filter screen column body (631), a sliding block (632) is fixedly connected to the outer side of the upper end of the second filter screen column body (631), and a protruding block (633) is welded and fixed to the lower end of the second filter screen column body (631).
2. A polytetrafluoroethylene raw material shearing mixing and stirring device according to claim 1, characterized in that: The stirring mechanism (4) comprises a stirring rod (41), the lower end of the stirring rod (41) being fixedly connected to the outer side thereof with stirring blades (42) distributed in an annular manner and at equal intervals, the lower end of the stirring rod (41) and the stirring blades (42) being arranged inside the filtering mechanism (6), and the stirring rod (41) and the stirring barrel (3) being coaxial.
3. A polytetrafluoroethylene raw material shearing mixing and stirring device according to claim 1, characterized in that: Two slide grooves (66) are provided on the inner side of the upper end of the first filter screen column (61), and the slide grooves (66) correspond to the sliders (632) one by one. The sliders (632) are slidably connected to the first filter screen column (61) via the slide grooves (66).
4. A polytetrafluoroethylene raw material shearing mixing and stirring device according to claim 1, characterized in that: The first filter column (61) and the second filter column body (631) share the same axis, the inner wall of the first filter column (61) and the outer wall of the second filter column body (631) are in close contact, and the mesh openings inside the first filter column (61) and the mesh openings inside the second filter column body (631) are arranged in an alternating manner.
5. The polytetrafluoroethylene raw material shearing mixing and stirring device according to claim 1, characterized in that: The locking bolt (64) is screwed to the fixing ring plate (621) via the threaded hole (623); a plurality of the locking bolt (64) and the threaded hole (623) are provided, and there is a one-to-one correspondence between the locking bolt (64) and the threaded hole (623); the locking bolt (64) passes through the fixing ring plate (621) and is in close contact with the outer side of the upper end of the second filter column body (631).
6. A polytetrafluoroethylene raw material shearing mixing and stirring device according to claim 1, characterized in that: A plurality of the bent plates (622) are provided, and the bent plates (622) are L-shaped. The bent plates (622) are fixedly connected to the upper end of the telescopic spring (65), and the lower end of the telescopic spring (65) is fixedly connected to the top end of the second filter column body (631).
7. A polytetrafluoroethylene raw material shearing mixing and stirring device according to claim 1, characterized in that: Two protruding blocks (633) are provided, and the lateral projection of the protruding blocks (633) is semicircular. Two elliptical wheels (9) are provided, and there is a one-to-one correspondence between the protruding blocks (633) and the elliptical wheels (9). The protruding blocks (633) are arranged at the upper end of the elliptical wheels (9), and the protruding blocks (633) and the elliptical wheels (9) are in close contact.
8. The polytetrafluoroethylene raw material shearing mixing and stirring device according to claim 1, characterized in that: The rotating shaft (8) is rotatably connected to the mixing barrel (3), and one end of the rotating shaft (8) passes through the mixing barrel (3) and is fixedly connected to the main shaft of the driving motor (5). The end of the rotating shaft (8) that passes through the mixing barrel (3) is rotatably connected to the mixing barrel (3) via a sealing member.
9. The polytetrafluoroethylene raw material shearing mixing and stirring device according to claim 1, characterized in that: Two fixing frames (7) are provided, the fixing frames (7) are H-shaped, and the middle of the fixing frames (7) is hollowed out.
10. A method for using a polytetrafluoroethylene raw material shearing mixing and stirring device according to any one of claims 1 to 9, characterized in that: The method comprises the following steps: Step I: pouring raw materials: pouring the raw materials to be stirred into the stirring barrel (3). During the pouring process, the particles should be prevented from flying away, and the raw materials should be poured in a prescribed proportion; Step II: stirring the raw materials: the driving unit (2) is operated to drive the stirring rod (41) to rotate. During the rotation of the stirring rod (41), the stirring blade (42) is driven to rotate. During the rotation of the stirring blade (42), the raw materials are stirred. During the stirring process, agglomerates and raw materials with larger particle sizes in the raw materials are chopped up during the stirring process, thereby ensuring the uniformity of the stirring. Step III: the driving motor (5) is in operation: during the stirring process, the driving motor (5) drives the rotating shaft (8) to rotate, and the rotating shaft (8) drives the elliptical wheel (9) to rotate during the rotation process. During the rotation process, the elliptical wheel (9) pushes the protruding block (633) to move up and down, thereby causing the second filter column body (631) to move up and down inside the first filter column (61). During the up and down movement of the second filter column body (631), the holes opened inside the second filter column body (631) will be aligned with the holes opened inside the first filter column (61), thereby cleaning the particles that are thrown into the mesh of the second filter column body (631) during the rotation of the stirring blade (42), or causing the particles to be discharged from the holes opened inside the filter column body (631) and the first filter column (61), thereby effectively preventing a large number of particles from clogging the filtering mechanism (6) during the raw material mixing process; Step IV: Unloading: After the mixing is completed, the fully mixed raw materials in the mixing barrel (3) are taken out and transferred or stored according to the standards.