Drawing machine for PTFE filament production

Abstract

The utility model relates to the technical field of drawing machines, and discloses a drawing machine for PTFE filament production, which comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a back plate, one side of the back plate is rotatably provided with five groups of drawing rollers, one side of the back plate is rotatably provided with five groups of auxiliary rollers, and the five groups of auxiliary rollers are contacted with the surfaces of the five groups of drawing rollers. The outer wall of the auxiliary roller is made of a soft sponge material, traction rods are fixedly connected to the two sides of the back plate respectively, a plurality of sets of traction holes are formed in the outer walls of the traction rods, the traction rods can be fixed through the back plate, filaments can penetrate through the traction holes in the traction rods, and therefore the filaments can be fixed. Then the two traction rods can play a role in limiting and traction on the two ends of the filament respectively, the traction rollers are driven by the driving mechanism to rotate and can be matched with the auxiliary rollers to play a role in drafting the filament, and the surfaces of the auxiliary rollers are made of soft sponge materials, so that the antiskid effect on the filament can be further achieved; and the drafting effect of the filaments is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of drawing machines, in particular to a drawing machine for producing PTFE filaments. Background Art

[0002] The main function of the drafting machine is to apply external force in the axial direction of the tow under certain conditions to thin the single fibers in the tow, improve the orientation, and change the single fibers from a low-strength, high-elongation plastic state to a high-strength, low-elongation elastic state. The surface of the drafting roller on the existing drafting machine is slippery. During the drafting process, the tow is easy to slide off the drafting roller, affecting the overall work efficiency. At the same time, dust is easy to fall on the tow, affecting the overall quality of the tow. The finished product rate is low and cannot meet the needs of manufacturers.

[0003] The patent document with the authorized announcement number CN204959117U discloses a drawing machine for PTFE filament production, including a base, a tripod at one end of the base, an operating table at the other end, a control button on the operating table, one end of the operating table is welded to the base for fixed connection, and the other end is provided with a box body, a baffle is provided on the box body, a feed end is provided on one side of the box body, and a collecting roller is provided on the other side. A water tank is provided at the feed end, a dryer is provided at the collecting roller, and a drawing roller is provided between the dryer and the water tank. The drawing roller includes a mounting end, a drawing end and a limit end, has a simple structure and a reasonable design, and utilizes the limit end on the drawing roller to prevent the yarn bundle from slipping off the drawing roller during work, thereby improving the overall safety performance, avoiding the phenomenon of slipping, and improving the overall work efficiency. At the same time, the length R1 of the baffle on the box body is greater than the length R2 of the drawing roller, which has a good dustproof effect, prevents dust from falling on the yarn bundle and affecting the quality of the yarn bundle, improves the overall work quality, has a low yield rate, and can better meet the needs of manufacturers.

[0004] When the above device is implemented, a limited end is set on the stretching roller, and the stretching roller has a certain length. When the stretching roller stretches the filament, the filament may be located in different positions of different stretching rollers. Therefore, when the filament is pulled, the pulling effect of each section of the filament may be different, which in turn affects the stretching effect of the filament. Utility Model Content

[0005] The utility model aims to provide a drawing machine for producing PTFE filaments, which solves the problem that when the above device is implemented, a limited end is set on the drawing roller, and the drawing roller has a certain length. When the drawing roller draws the filaments, the filaments may be located in different positions of different drawing rollers. Therefore, when the filaments are drawn, the drawing effect of each section of the filament may be different, which in turn affects the drawing effect of the filaments.

[0006] An embodiment of the present application provides a drawing machine for producing PTFE filaments, comprising a base plate, a back plate fixedly connected to the upper end of the base plate, five groups of drawing rollers rotatably mounted on one side of the back plate, five groups of auxiliary rollers rotatably mounted on one side of the back plate, the five groups of auxiliary rollers are in contact with the surfaces of the five groups of drawing rollers, and the outer walls of the auxiliary rollers are made of soft sponge material, traction rods are fixedly connected on both sides of the back plate, a plurality of traction holes are provided on the outer walls of the traction rods, a drying mechanism is arranged above the drawing rollers, and a driving mechanism is arranged on the side of the back plate away from the auxiliary rollers.

[0007] By adopting the above technical solution, the traction rod can be fixed by the back plate, and the filament can pass through the traction hole on the traction rod, and then the two groups of traction rods can respectively play a role of limiting traction on the two ends of the filament, and the traction roller can play a role of stretching the filament in cooperation with the auxiliary roller when driven by the driving mechanism, and the surface of the auxiliary roller is made of soft sponge material, which can further prevent the filament from sliding, thereby enhancing the stretching effect of the filament.

[0008] Optionally, a water trough is fixedly connected to one side of the back plate, protective rollers are rotatably mounted on the upper ends of both sides of the water trough, and guide rollers are rotatably mounted on the inner wall of the water trough.

[0009] By adopting the above technical solution, the back plate can fix the water tank, and when the filament roller passes under the guide roller, the protection roller can protect the filament, and the guide roller can guide the filament, thereby allowing the filament to pass through the water.

[0010] Optionally, the driving mechanism includes multiple groups of pulleys, wherein the rotating shafts of two groups of the stretching rollers are respectively fixedly connected to a pulley, and the rotating shafts of the other three groups of the stretching rollers are respectively fixedly connected to two pulleys, and the inner walls of the multiple groups of pulleys are respectively connected to belts for transmission.

[0011] By adopting the above technical solution, the drafting roller can fix the pulley, and the belt can link multiple groups of pulleys.

[0012] Optionally, a bracket is fixedly connected to one side of the back plate, a motor is installed on the inner side of the bracket, and an output shaft of the motor is fixedly connected to a rotating shaft of one of the pulleys.

[0013] By adopting the above technical solution, the back plate can fix the bracket, the bracket can fix the motor, and the motor can drive the pulley to rotate.

[0014] Optionally, the drying mechanism includes a top plate, the top plate is fixedly connected to a back plate, and a drying box is fixedly mounted on the lower end of the back plate.

[0015] By adopting the above technical solution, the back plate can fix the top plate, and the top plate can fix the drying box.

[0016] Optionally, a plurality of groups of heating rods are installed on the inner top wall of the drying box, a plurality of groups of fixing rods are fixedly connected to the inner wall of the drying box below the plurality of groups of heating rods, and a plurality of groups of fans are respectively installed on the lower ends of the plurality of groups of fixing rods.

[0017] By adopting the above technical solution, the heating rod can be installed through the drying box, and the heating rod can be heated, and then the heat is blown out by the fan.

[0018] Optionally, a grille is installed at the lower end of the drying box.

[0019] By adopting the above technical solution, the air flow inside and outside the drying box can be maintained through the grille, and the grille can protect the inside of the drying box.

[0020] Optionally, the position of the drying box corresponds to the position of the drafting roller.

[0021] By adopting the above technical solution, the position of the drying box corresponds to the position of the drafting roller, so that the surface of the filaments can be dried conveniently.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] The technical solution of the present application can fix the traction rod through the back plate, and the filament can pass through the traction hole on the traction rod, and then the two groups of traction rods can respectively play a role of limiting traction on the two ends of the filament, and the traction roller can play a role of stretching the filament in cooperation with the auxiliary roller when driven by the driving mechanism, and the surface of the auxiliary roller is made of soft sponge material, which can further prevent the filament from sliding, thereby enhancing the stretching effect of the filament. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0025] Figure 1 It is a front view schematic diagram of a drawing machine for producing PTFE filaments according to the utility model;

[0026] Figure 2 It is a rear view schematic diagram of a drawing machine for producing PTFE filaments according to the utility model;

[0027] Figure 3 This is a bottom view schematic diagram of a drying box of a drawing machine for producing PTFE filaments according to the utility model;

[0028] Figure 4 The utility model is a schematic top view of a water tank of a drawing machine for producing PTFE filaments.

[0029] In the figure: 1. bottom plate; 2. back plate; 3. auxiliary roller; 4. traction rod; 5. drafting roller; 6. pulley; 7. motor; 8. bracket; 9. water tank; 10. protection roller; 11. guide roller; 12. top plate; 13. drying box; 14. heating rod; 15. fixing rod; 16. fan; 17. grille. DETAILED DESCRIPTION

[0030] See also Figure 1-4 The utility model provides a technical solution: a drawing machine for PTFE filament production, comprising a bottom plate 1, a back plate 2 is fixedly connected to the upper end of the bottom plate 1, five groups of drawing rollers 5 are rotatably installed on one side of the back plate 2, five groups of auxiliary rollers 3 are rotatably installed on one side of the back plate 2, the five groups of auxiliary rollers 3 are in contact with the surfaces of the five groups of drawing rollers 5, and the outer walls of the auxiliary rollers 3 are made of soft sponge material, traction rods 4 are fixedly connected to both sides of the back plate 2, and multiple groups of traction holes are provided on the outer walls of the traction rods 4, a drying mechanism is arranged above the drawing rollers 5, and a driving mechanism is arranged on the side of the back plate 2 away from the auxiliary rollers 3;

[0031] The driving mechanism includes multiple groups of pulleys 6, wherein the rotating shafts of two groups of drafting rollers 5 are respectively fixedly connected to a pulley 6, and the rotating shafts of the other three groups of drafting rollers 5 are respectively fixedly connected to two pulleys 6, and the inner walls of the multiple groups of pulleys 6 are respectively connected to belts for transmission, a bracket 8 is fixedly connected to one side of the back plate 2, a motor 7 is installed on the inner side of the bracket 8, and the output shaft of the motor 7 is fixedly connected to the rotating shaft of one of the pulleys 6.

[0032] In the technical solution of the utility model, the back plate 2 can fix the traction rod 4, and the filament can pass through the traction hole on the traction rod 4, and then the two groups of traction rods 4 can respectively play a role of limiting traction on the two ends of the filament, and the traction roller can cooperate with the auxiliary roller 3 to stretch the filament when driven by the driving mechanism, and the surface of the auxiliary roller 3 is made of soft sponge material, which can further prevent the filament from sliding, thereby enhancing the stretching effect of the filament.

[0033] In addition, the pulley 6 can be fixed by the stretching roller 5, and the belt can link multiple groups of pulleys 6. The bracket 8 can be fixed by the back plate 2, and the bracket 8 can fix the motor 7, and the motor 7 can drive the pulley 6 to rotate.

[0034] In the technical solution of the utility model, if Figure 1 and Figure 4As shown, a water trough 9 is fixedly connected to one side of the back plate 2, and protective rollers 10 are rotatably installed on the upper ends of both sides of the water trough 9, and guide rollers 11 are rotatably installed on the inner wall of the water trough 9. The back plate 2 can fix the water trough 9, and when the filament roller passes under the guide roller 11, the protective roller 10 can protect the filament, and the guide roller 11 can guide the filament, thereby allowing the filament to pass through the water.

[0035] In the technical solution of the utility model, if Figure 1 and Figure 3 As shown, the drying mechanism includes a top plate 12, which is fixedly connected to the back plate 2, and a drying box 13 is fixedly installed at the lower end of the back plate 2. The back plate 2 can fix the top plate 12, and the top plate 12 can fix the drying box 13. A plurality of groups of heating rods 14 are installed on the inner top wall of the drying box 13, and a plurality of groups of fixing rods 15 are fixedly connected to the inner wall of the drying box 13 located below the plurality of groups of heating rods 14. A plurality of groups of fans 16 are respectively installed at the lower ends of the plurality of groups of fixing rods 15. The heating rods 14 can be installed through the drying box 13, and the heating rods 14 can be heated, and then the heat is blown out by the fans 16. A grille 17 is installed at the lower end of the drying box 13, and the air flow between the inside and outside of the drying box 13 can be maintained through the grille 17, and the grille 17 can protect the inside of the drying box 13. The position of the drying box 13 corresponds to the position of the drafting roller 5. The position of the drying box 13 corresponds to the position of the drafting roller 5, so that the surface of the filament is conveniently dried.

[0036] When in use, first, the back plate 2 can be used to fix the traction rod 4, and the filament can pass through the traction hole on the traction rod 4, and then the two groups of traction rods 4 can respectively play a role of limiting traction on the two ends of the filament, and the traction roller can cooperate with the auxiliary roller 3 to stretch the filament under the rotation driven by the driving mechanism, and the surface of the auxiliary roller 3 is made of soft sponge material, which can further prevent the filament from slipping, thereby enhancing the stretching effect of the filament, and the stretching roller 5 can be driven to rotate by the cooperation of the motor 7, pulley 6 and belt, and the filament can pass through the water tank 9, and the auxiliary roller 3 can protect the filament, and the guide roller 11 can guide the filament, and then the heating rod 14 is heated, so that the fan 16 drives the heat flow to dry the filament.

Claims

1. A drawing machine for producing PTFE filaments, characterized in that: The invention comprises a bottom plate (1), the upper end of the bottom plate (1) is fixedly connected to a back plate (2), one side of the back plate (2) is rotatably mounted with five groups of drafting rollers (5), one side of the back plate (2) is rotatably mounted with five groups of auxiliary rollers (3), the five groups of auxiliary rollers (3) are in contact with the surfaces of the five groups of drafting rollers (5), and the outer walls of the auxiliary rollers (3) are made of a soft sponge material, two sides of the back plate (2) are respectively fixedly connected with traction rods (4), the outer walls of the traction rods (4) are provided with a plurality of traction holes, a drying mechanism is arranged above the drafting rollers (5), and a driving mechanism is arranged on the side of the back plate (2) away from the auxiliary rollers (3).

2. A drawing machine for producing PTFE filaments according to claim 1, characterized in that: A water tank (9) is fixedly connected to one side of the back plate (2), protection rollers (10) are rotatably mounted on the upper ends of both sides of the water tank (9), and guide rollers (11) are rotatably mounted on the inner wall of the water tank (9).

3. A drawing machine for producing PTFE filaments according to claim 1, characterized in that: The driving mechanism comprises a plurality of pulleys (6), wherein the rotating shafts of two groups of the drafting rollers (5) are respectively fixedly connected to a pulley (6), and the rotating shafts of the other three groups of the drafting rollers (5) are respectively fixedly connected to two pulleys (6), and the inner walls of the plurality of groups of the pulleys (6) are respectively transmission-connected to belts.

4. A drawing machine for producing PTFE filaments according to claim 3, characterized in that: A bracket (8) is fixedly connected to one side of the back plate (2), a motor (7) is installed on the inner side of the bracket (8), and an output shaft of the motor (7) is fixedly connected to a rotating shaft of one of the pulleys (6).

5. A drawing machine for producing PTFE filaments according to claim 4, characterized in that: The drying mechanism comprises a top plate (12), the top plate (12) being fixedly connected to a back plate (2), and a drying box (13) being fixedly mounted at the lower end of the back plate (2).

6. A drawing machine for producing PTFE filaments according to claim 5, characterized in that: The inner top wall of the drying box (13) is installed with a plurality of groups of heating rods (14), the inner wall of the drying box (13) located below the plurality of groups of heating rods (14) is fixedly connected with a plurality of groups of fixing rods (15), and the lower ends of the plurality of groups of fixing rods (15) are respectively installed with a plurality of groups of fans (16).

7. A drawing machine for producing PTFE filaments according to claim 6, characterized in that: A grille (17) is installed at the lower end of the drying box (13).

8. A drawing machine for producing PTFE filaments according to claim 7, characterized in that: The position of the drying box (13) corresponds to the position of the drafting roller (5).

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