Drawing machine for brown PTFE fiber production

By designing a drafter for PTFE fiber production, using thermal drafting and precise length measurement methods, the problems of poor cold drafting effect and difficult to calculate drafting rate in the prior art are solved, and more efficient fiber drafting and product quality control are achieved.

CN119571479AInactive Publication Date: 2025-03-07JIANGSU ZHIZHEN TAIRUI ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202411668047.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-21
Publication Date
2025-03-07
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the prior art, when drafting PTFE fibers, the cold drafting effect is poor, and the length of the drafting cannot be easily measured, resulting in the inability to accurately calculate the drafting rate, which in turn affects the control of product quality.

Method used

A drafter for the production of brown PTFE fibers was designed, using a spraying mechanism to spray water and heat the fibers through a heating plate, combining gears and belt drive systems to achieve thermal drafting of the fibers, and the draft length and drafting ratio of the fibers were calculated by counting buttons and the circumference of the draft rollers.

Benefits of technology

It improves the drafting effect of the fiber, conveniently measure and calculates the length of the fiber after drafting, and accurately calculates the drafting rate, thereby improving the control and reliability of product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of fiber production, and discloses a drawing machine for brown PTFE fiber production, which comprises a bottom plate, a support plate is fixedly mounted on the bottom plate, a vertical plate is fixedly mounted on the support plate, a first motor is fixedly mounted on the vertical plate, the output end of the first motor penetrates through the support plate and is fixedly provided with a first gear, and the output end of the first gear penetrates through the support plate and is fixedly provided with a second gear. The first gear is meshed with two second gears, drafting rollers are fixedly installed on the first gear and the second gears, and by arranging the spraying mechanism and the heating plate, the drafting effect on fibers can be better; by arranging the counting button, the length of the drafted fiber can be calculated according to the counting number and the perimeter of the drafting roller, and then the drafting rate can be conveniently calculated by combining the length before drafting.
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Description

Technical Field

[0001] The invention relates to the technical field of fiber production, in particular to a drafting machine for producing brown PTFE fibers. Background Art

[0002] PTFE is polytetrafluoroethylene fiber, also known as fluorine or teflon. It is a kind of polyolefin fiber made from polytetrafluoroethylene as raw material, which is cut or fibrillated after spinning or making into a film. It has high strength and elongation, good chemical stability and corrosion resistance better than other synthetic fibers; the surface has a waxy feel, a small friction coefficient (0.01-0.05), and the actual use temperature is -180-260℃. When heated to 300℃, the strength drops significantly. It has good weather resistance and flex resistance. However, it has poor dyeability and thermal conductivity, poor wear resistance, large expansion coefficient, and is prone to static electricity. It is mainly used as high-temperature dust filter belts, filter materials for highly corrosive filtering gases or liquids, valve fillers, sealing belts, self-lubricating bearings, bitter cloth for rocket launch platforms, artificial blood vessels and military outerwear. The production methods are divided into: emulsion spinning, paste extrusion spinning, melt spinning, etc. During the production process, the PTFE fiber needs to be stretched to change it from a low-strength, high-elongation plastic state to a high-strength, low-elongation elastic state. The stretching is achieved by increasing the linearity of the roller surface of each stretching machine. During the stretching process, the friction of multiple rollers is used to pull the filament bundle, so that the filament bundle can be stretched, thereby obtaining a product with excellent performance.

[0003] Most of the existing technologies use cold stretching during stretching, but hot stretching has a better effect. Hot stretching requires spraying water on the fiber before stretching and then heating it for stretching. At the same time, after the stretching is completed, the length after stretching is not conveniently measured, and the stretching rate cannot be conveniently calculated, which can conveniently reflect the change in fiber length during the stretching process, thereby achieving control of product quality. Summary of the invention

[0004] The object of the present invention is to provide a drafting machine for producing brown PTFE fibers, which solves the problems raised in the background technology.

[0005] An embodiment of the present application provides a stretching machine for producing brown PTFE fiber, including a base plate, a support plate fixedly mounted on the base plate, a vertical plate fixedly mounted on the support plate, a first motor fixedly mounted on the vertical plate, an output end of the first motor passes through the support plate and a first gear fixedly mounted thereon, the first gear is meshed with two second gears, and stretching rollers are fixedly mounted on the first gear and the second gear.

[0006] By adopting the above technical solution, the fiber to be stretched is installed, and then the first motor is started. The rotation of the first motor drives the first gear to rotate, thereby driving the two second gears to rotate, thereby driving the stretching roller to rotate for stretching. At the same time, the first motor is started to drive the first rotating wheel to rotate, thereby driving the first belt to move, thereby driving the second rotating wheel to rotate, thereby driving the rotating rod to rotate, thereby driving the rotating disk to rotate, thereby driving the connecting rod to move, thereby driving the push plate to move, so as to periodically press the counting button for counting, and the length of the stretched fiber can be calculated according to the number of counts and the circumference of the stretching roller, so as to conveniently calculate the stretching rate. When in use, when the stretching roller rotates, it drives the third rotating wheel to rotate, thereby driving the second belt to move, thereby driving the fourth rotating wheel to rotate, thereby driving the rotating roller Rotate. When the rotating roller rotates, it will drive the rotating wheel to rotate under the action of friction, thereby driving the cleaning brush to rotate, so that the fiber can be cleaned. When adjustment is needed, start the second motor to drive the first bevel gear to rotate, thereby driving the second bevel gear meshing with it to rotate. When the second bevel gear rotates, it will drive the bidirectional screw rod to rotate. When the bidirectional screw rod rotates, it will drive the movable plate to move, thereby adjusting the position between the two rotating wheels. It can be adjusted according to the thickness of the fiber. The fiber can be guided by the guide groove first. A water pump (not shown in the figure) is provided on the water tank. The water in the water tank can be transported to the water tank through a connecting hose by the water pump, and then sprayed out through an atomizing nozzle to wet the fiber and then heated by the heating plate on the second horizontal plate to make the fiber better stretched.

[0007] Optionally, there are two support plates in total, and a horizontal plate is fixedly installed between the two support plates, a second motor is fixedly installed on the horizontal plate, two installation grooves are provided on the horizontal plate, a movable plate is slidably installed in the installation grooves, a mounting plate is fixedly installed on the movable plate, a rotating wheel is rotatably installed on the mounting plate, a cleaning brush is provided on the rotating wheel, a rotating roller is provided between the support plates below the cleaning brush, and the rotating roller and the rotating wheel are in contact with each other.

[0008] By adopting the above technical solution, when the device is used, when the rotating roller rotates, the rotating wheel is driven to rotate under the action of friction force, thereby driving the cleaning brush to rotate, so that the fibers can be cleaned.

[0009] Optionally, a first bevel gear is fixedly mounted on the output end of the second motor through a transverse plate, the first bevel gear is meshed with two second bevel gears, and a bidirectional lead screw is fixedly mounted on the second bevel gear.

[0010] By adopting the above technical solution, the second motor is started to drive the first bevel gear to rotate, thereby driving the second bevel gear meshing therewith to rotate. When the second bevel gear rotates, it drives the bidirectional screw to rotate.

[0011] Optionally, a movable plate is threadedly mounted on the bidirectional lead screw.

[0012] By adopting the above technical solution, when the bidirectional screw rod rotates, it will drive the moving plate to move, thereby adjusting the position between the two rotating wheels, and can be adjusted according to the thickness of the fiber.

[0013] Optionally, a second transverse plate is fixedly mounted on the support plate, a water tank is fixedly mounted on the second transverse plate, a heating plate is fixedly mounted on the lower end of the second transverse plate, a fixed plate is provided below the second transverse plate, and a spraying mechanism is fixedly mounted on the fixed plate.

[0014] By adopting the above technical solution, the fibers can be sprayed with water by the spraying mechanism first, and then heated by the heating plate on the second transverse plate, so that the fibers can be better drafted.

[0015] Optionally, a guide groove is provided on the spraying mechanism, a plate body is fixedly installed beside the guide groove, a plurality of atomizing nozzles are arranged on the plate body, and a connecting hose is arranged between the atomizing nozzle and the water tank.

[0016] By adopting the above technical solution, the fibers can be guided by the guide groove. A water pump (not shown in the figure) is provided on the water tank. The water in the water tank can be transported to the water tank through a connecting hose by the water pump, and then sprayed out through an atomizing nozzle to wet the fibers.

[0017] Optionally, a first rotating wheel is fixedly installed on the output end of the first motor, a first belt is sleeved on the first rotating wheel, a second rotating wheel is sleeved on the other end of the first belt, a rotating rod is fixedly installed on the second rotating wheel, a rotating rod passes through a support plate and a rotating disk is fixedly installed on the rotating rod, a mounting shaft is fixedly installed on the rotating disk, a connecting rod is rotatably installed on the mounting shaft, a push plate is fixedly installed on the connecting rod, and a counting button is fixedly installed on the support plate.

[0018] By adopting the above technical solution, the first motor is started, thereby driving the first rotating wheel to rotate, thereby driving the first belt to move, thereby driving the second rotating wheel to rotate, thereby driving the rotating rod to rotate, thereby driving the rotating disk to rotate, thereby driving the connecting rod to move, thereby driving the push plate to move, and periodically pressing the counting button to count.

[0019] Optionally, a connecting shaft is fixedly installed on the stretching roller, and a third rotating wheel is fixedly installed on the connecting shaft through the support plate, a second belt is covered on the third rotating wheel, and the second belt is covered on the fourth rotating wheel, and a rotating roller is fixedly installed on the fourth rotating wheel.

[0020] By adopting the above technical solution, when the drafting roller rotates, the third rotating wheel is driven to rotate, thereby driving the second belt to move, thereby driving the fourth rotating wheel to rotate, and thereby driving the rotating roller to rotate.

[0021] Optionally, an arc-shaped plate is arranged beside the cleaning brush in the horizontal plate, and a storage box is arranged below the arc-shaped plate, and the storage box is detachable.

[0022] By adopting the above technical solution, it is convenient to scrape off the dust attached to the cleaning brush, and then the dust can be collected by the arc plate and the storage box. After using it for a period of time, the dust can be cleaned by disassembling the storage box.

[0023] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0024] 1. The present invention can achieve a better drafting effect on the fiber by providing a spraying mechanism and a heating plate;

[0025] 2. The present invention provides a counting button, which can calculate the length of the fiber after stretching according to the counted number and the circumference of the stretching roller, and then combine it with the length before stretching to conveniently calculate the stretching rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings:

[0027] Figure 1 is a side view of the present invention;

[0028] Figure 2 It is a structural schematic diagram of the first motor in the present invention;

[0029] Figure 3 It is a structural schematic diagram of the present invention;

[0030] Figure 4 It is a schematic diagram of the structure of the gear of the present invention;

[0031] Figure 5 It is a structural schematic diagram of the bevel gear in the present invention;

[0032] Figure 6 It is a structural schematic diagram of the rotating disk in the present invention;

[0033] Figure 7 It is a structural schematic diagram of the storage box in the present invention.

[0034] In the figure: 1. bottom plate; 2. support plate; 3. first motor; 4. rotating roller; 5. horizontal plate; 6. second motor; 7. water tank; 8. spraying mechanism; 9. connecting hose; 10. drafting roller; 11. first rotating wheel; 12. first belt; 13. second rotating wheel; 14. third rotating wheel; 15. second belt; 16. fourth rotating wheel; 17. first gear; 18. second gear; 19. first bevel gear; 20. second bevel gear; 21. bidirectional screw; 22. rotating disk; 23. mounting shaft; 24. connecting rod; 25. cleaning brush; 26. arc plate; 27. storage box. DETAILED DESCRIPTION

[0035] See also Figure 1-7 The present invention provides a technical solution: a drawing machine for producing brown PTFE fiber, comprising a bottom plate 1, a support plate 2 is fixedly installed on the bottom plate 1, a vertical plate is fixedly installed on the support plate 2, a first motor 3 is fixedly installed on the vertical plate, an output end of the first motor 3 passes through the support plate 2 and a first gear 17 is fixedly installed, the first gear 17 is meshed with two second gears 18, and a drawing roller 10 is fixedly installed on the first gear 17 and the second gear 18.

[0036] In the technical solution of the present invention, Figure 1 As shown, there are two support plates 2, and a transverse plate 5 is fixedly installed between the two support plates 2, a second motor 6 is fixedly installed on the transverse plate 5, two installation grooves are provided on the transverse plate 5, a movable plate is slidably installed in the installation groove, a mounting plate is fixedly installed on the movable plate, a rotating wheel is rotatably installed on the mounting plate, a cleaning brush 25 is provided on the rotating wheel, a rotating roller 4 is provided between the support plates 2 below the cleaning brush 25, the rotating roller 4 and the rotating wheel are in contact with each other, when the device is used, when the rotating roller 4 rotates, the rotating wheel will be driven to rotate under the action of friction force, thereby driving the cleaning brush 25 to rotate, so that the fibers can be cleaned.

[0037] In the technical solution of the present invention, Figure 5 As shown, the output end of the second motor 6 is fixedly installed with a first bevel gear 19 through the cross plate 5, the first bevel gear 19 is meshed with two second bevel gears 20, and a bidirectional screw rod 21 is fixedly installed on the second bevel gear 20. When the second motor 6 is started, the first bevel gear 19 is driven to rotate, thereby driving the second bevel gear 20 meshed therewith to rotate. When the second bevel gear 20 rotates, the bidirectional screw rod 21 is driven to rotate.

[0038] In the technical solution of the present invention, Figure 5As shown, a moving plate is threadedly mounted on the bidirectional screw rod 21. When the bidirectional screw rod 21 rotates, the moving plate is driven to move, thereby adjusting the position between the two rotating wheels, which can be adjusted according to the thickness of the fiber.

[0039] In the technical solution of the present invention, Figure 1 As shown, a second horizontal plate is fixedly installed on the support plate 2, a water tank 7 is fixedly installed on the second horizontal plate, a heating plate is fixedly installed on the lower end of the second horizontal plate, a fixed plate is arranged under the second horizontal plate, a spraying mechanism 8 is fixedly installed on the fixed plate, and the fibers can be sprayed with water by the spraying mechanism 8 first, and then heated by the heating plate on the second horizontal plate, so that the fibers can be better stretched.

[0040] In the technical solution of the present invention, Figure 1 As shown, the spray mechanism 8 is provided with a guide groove, a plate body is fixedly installed next to the guide groove, a plurality of atomizing nozzles are arranged on the plate body, a connecting hose 9 is arranged between the atomizing nozzle and the water tank 7, the fiber can be guided through the guide groove, a water pump (not shown in the figure) is arranged on the water tank 7, the water in the water tank 7 can be transported to the water tank 7 through the connecting hose 9 by the water pump, and then sprayed out through the atomizing nozzle to wet the fiber.

[0041] In the technical solution of the present invention, as shown in Figure 2, a first rotating wheel 11 is fixedly installed on the output end of the first motor 3, a first belt 12 is sleeved on the first rotating wheel 11, a second rotating wheel 13 is sleeved on the other end of the first belt 12, a rotating rod is fixedly installed on the second rotating wheel 13, the rotating rod passes through the support plate 2 and a rotating disk 22 is fixedly installed, a mounting shaft 23 is fixedly installed on the rotating disk 22, a connecting rod 24 is rotatably installed on the mounting shaft 23, a push plate is fixedly installed on the connecting rod 24, a counting button is fixedly installed on the support plate 2, and the first motor 3 is started, thereby driving the first rotating wheel 11 to rotate, thereby driving the first belt 12 to move, thereby driving the second rotating wheel 13 to rotate, thereby driving the rotating rod to rotate, thereby driving the rotating disk 22 to rotate, thereby driving the connecting rod 24 to move, thereby driving the push plate to move, and periodically pressing the counting button for counting.

[0042] In the technical solution of the present invention, Figure 3 As shown, a connecting shaft is fixedly installed on the stretching roller 10, and a third rotating wheel 14 is fixedly installed on the connecting shaft through the support plate 2. A second belt 15 is sleeved on the third rotating wheel 14, and a fourth rotating wheel 16 is sleeved on the second belt 15. A rotating roller 4 is fixedly installed on the fourth rotating wheel 16. When the stretching roller 10 rotates, the third rotating wheel 14 is driven to rotate, thereby driving the second belt 15 to move, thereby driving the fourth rotating wheel 16 to rotate, and thereby driving the rotating roller 4 to rotate.

[0043] In the technical solution of the present invention, Figure 7 As shown, an arc plate 26 is provided next to the cleaning brush 25 in the horizontal plate 5, and a storage box 27 is provided below the arc plate 26. The storage box 27 can be removed to facilitate scraping off the dust attached to the cleaning brush 25, and then the dust can be collected by the arc plate 26 and the storage box 27. After using it for a period of time, the dust can be cleaned by removing the storage box 27.

[0044] By adopting the above technical solution, the fiber to be stretched is installed, and then the first motor 3 is started. The rotation of the first motor 3 drives the first gear 17 to rotate, thereby driving the two second gears 18 to rotate, thereby driving the stretching roller 10 to rotate for stretching. At the same time, the first motor 3 is started, thereby driving the first rotating wheel 11 to rotate, thereby driving the first belt 12 to move, thereby driving the second rotating wheel 13 to rotate, thereby driving the rotating rod to rotate, thereby driving the rotating disk 22 to rotate, thereby driving the connecting rod 24 to move, thereby driving the push plate to move, so as to periodically press the counting button for counting, and the length of the stretched fiber can be calculated according to the number of counts and the circumference of the stretching roller 10, so as to conveniently calculate the stretching rate. When in use, when the stretching roller 10 rotates, it drives the third rotating wheel 14 to rotate, thereby driving the second belt 15 to move, thereby driving the fourth rotating wheel 16 to rotate, so as to The rotating roller 4 is driven to rotate. When the rotating roller 4 rotates, the rotating wheel is driven to rotate under the action of friction, thereby driving the cleaning brush 25 to rotate, so that the fiber can be cleaned. When adjustment is needed, the second motor 6 is started to drive the first bevel gear 19 to rotate, thereby driving the second bevel gear 20 meshing therewith to rotate. When the second bevel gear 20 rotates, it will drive the bidirectional screw rod 21 to rotate. When the bidirectional screw rod 21 rotates, it will drive the movable plate to move, thereby adjusting the position between the two rotating wheels. It can be adjusted according to the thickness of the fiber. The fiber can be guided by the guide groove first. A water pump (not shown in the figure) is provided on the water tank 7. The water in the water tank 7 can be transported to the water tank 7 through the connecting hose 9 by the water pump, and then sprayed out through the atomizing nozzle to wet the fiber and then heat the fiber through the heating plate on the second horizontal plate, so that the fiber can be better stretched.

Claims

1. A drawing machine for producing brown PTFE fibers, characterized in that: The invention comprises a bottom plate (1), a support plate (2) is fixedly mounted on the bottom plate (1), a vertical plate is fixedly mounted on the support plate (2), a first motor (3) is fixedly mounted on the vertical plate, an output end of the first motor (3) passes through the support plate (2) and a first gear (17) is fixedly mounted thereon, the first gear (17) is meshed with two second gears (18), and a drafting roller (10) is fixedly mounted on the first gear (17) and the second gear (18).

2. A brown PTFE fiber production drawing machine according to claim 1, characterized in that: There are two supporting plates (2) in total, and a transverse plate (5) is fixedly installed between the two supporting plates (2), a second motor (6) is fixedly installed on the transverse plate (5), two mounting grooves are provided on the transverse plate (5), a movable plate is slidably installed in the mounting groove, a mounting plate is fixedly installed on the movable plate, a rotating wheel is rotatably installed on the mounting plate, a cleaning brush (25) is provided on the rotating wheel, and a rotating roller (4) is provided between the supporting plates (2) below the cleaning brush (25), and the rotating roller (4) and the rotating wheel are in contact with each other.

3. A brown PTFE fiber production drawing machine according to claim 2, characterized in that: The output end of the second motor (6) passes through the transverse plate (5) and is fixedly mounted with a first bevel gear (19); the first bevel gear (19) is meshed with two second bevel gears (20); and a bidirectional screw rod (21) is fixedly mounted on the second bevel gear (20).

4. A brown PTFE fiber production drawing machine according to claim 3, characterized in that: A moving plate is threadedly mounted on the bidirectional screw rod (21).

5. A drawing machine for producing brown PTFE fiber according to claim 1, characterized in that: A second transverse plate is fixedly mounted on the support plate (2), a water tank (7) is fixedly mounted on the second transverse plate, a heating plate is fixedly mounted on the lower end of the second transverse plate, a fixed plate is provided below the second transverse plate, and a spraying mechanism (8) is fixedly mounted on the fixed plate.

6. A drawing machine for producing brown PTFE fiber according to claim 5, characterized in that: The spray mechanism (8) is provided with a guide groove, a plate body is fixedly installed beside the guide groove, a plurality of atomizing nozzles are arranged on the plate body, and a connecting hose (9) is arranged between the atomizing nozzle and the water tank (7).

7. A drawing machine for producing brown PTFE fiber according to claim 1, characterized in that: A first rotating wheel (11) is fixedly mounted on the output end of the first motor (3), a first belt (12) is sleeved on the first rotating wheel (11), a second rotating wheel (13) is sleeved on the other end of the first belt (12), a rotating rod is fixedly mounted on the second rotating wheel (13), the rotating rod passes through the support plate (2) and is fixedly mounted with a rotating disk (22), a mounting shaft (23) is fixedly mounted on the rotating disk (22), a connecting rod (24) is rotatably mounted on the mounting shaft (23), a push plate is fixedly mounted on the connecting rod (24), and a counting button is fixedly mounted on the support plate (2).

8. A drawing machine for producing brown PTFE fiber according to claim 1, characterized in that: A connecting shaft is fixedly mounted on the drafting roller (10), and a third rotating wheel (14) is fixedly mounted on the connecting shaft through the support plate (2), a second belt (15) is sleeved on the third rotating wheel (14), and a fourth rotating wheel (16) is sleeved on the second belt (15), and a rotating roller (4) is fixedly mounted on the fourth rotating wheel (16).

9. A drawing machine for producing brown PTFE fiber according to claim 2, characterized in that: An arc-shaped plate (26) is arranged beside the cleaning brush (25) in the transverse plate (5), and a storage box (27) is arranged below the arc-shaped plate (26), and the storage box (27) is detachable.