A PVC pipe traction device

Abstract

The utility model belongs to the technical field of PVC pipe traction, specifically a PVC pipe traction device, comprising a box body, a slide groove is provided inside the box body, a limit groove is provided on the inner wall of the slide groove, a screw rod is rotatably installed on the inner wall of the slide groove, a sliding plate is installed in the slide groove, two groups of limit blocks are symmetrically welded on the side wall of the sliding plate, a support plate is welded on the sliding plate, a support frame is welded on the support plate, a guide roller is rotatably installed on the support frame, the first traction roller is arranged in parallel with the guide roller, a PVC pipe is placed between the first traction roller and the second traction roller, the support frame is driven to move horizontally by the sliding plate, and the support frame drives the guide roller to move horizontally, so as to realize the adjustment of the distance between the guide roller and the discharge end of the traction device, after the PVC pipe is moved out from the discharge end of the box body, it passes through the guide roller, and the guide roller supports the PVC pipe to avoid the PVC pipe being suspended in the air and causing bending, which is beneficial to improving the protection of the PVC pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipe traction, in particular to a PVC pipe traction device. Background Art

[0002] PVC pipes are rigid polyvinyl chloride pipes, which are formed by hot pressing after polyvinyl chloride resin is mixed with stabilizers, lubricants, etc. They are the earliest plastic pipes developed and applied. In the process of cutting PVC pipes, a traction device is required to feed the PVC pipes into the cutting machine.

[0003] A Chinese patent with publication number CN210682352U discloses a pipe traction device in a PVC pipe production line, including an operating table, a mounting frame is fixedly installed on the upper surface of the operating table, and through openings are opened on the left and right sides of the mounting frame. A fixed box is arranged inside the mounting frame, and the upper and lower ends of the fixed box are respectively fixedly connected to the inner top of the mounting frame and the upper surface of the operating table, and the inner bottom of the fixed box is rotatably connected to a first screw rod through a bearing, and the outer surface of the first screw rod is threadedly connected to two lifting blocks. During traction, the pipe is located in the middle of two traction rotating rods, and the pipe is moved forward by the rotation of the two traction rotating rods. At the same time, the pipe is also located in the two guide blocks in the guide mechanism, and the two guide blocks are used to limit the pipe so that the pipe will not deviate when moving, thereby ensuring the stability of the pipe during traction, thereby bringing many conveniences to the PVC pipe processing.

[0004] When the existing traction device is used to pull PVC pipes, there is often a certain distance between the discharge end of the traction device and the PVC pipe cutting equipment. The PVC pipe is not very rigid and is very easy to bend due to gravity during suspended transmission, resulting in poor protection of the device and affecting the quality of the PVC pipe. Therefore, a PVC pipe traction device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model proposes a PVC pipe pulling device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a PVC pipe traction device described in the utility model comprises a box body, a slide groove is provided inside the box body, a limiting groove is provided on the inner wall of the slide groove, a screw rod is rotatably installed on the inner wall of the slide groove, a knob is welded on one side of the screw rod, a sliding plate is installed in the slide groove, two groups of limiting blocks are symmetrically welded on the side wall of the sliding plate, the limiting blocks are installed in the limiting groove, the sliding plate is sleeved on the periphery of the screw rod and slides with the screw rod through threads, a support plate is welded on the sliding plate, a support frame is welded on the support plate, a guide roller is rotatably installed on the support frame, a first rotating rod and a second rotating rod are rotatably installed on the inner wall of the box body, a first traction roller is fixedly sleeved on the first rotating rod, and a second rotating rod is fixedly sleeved on the first rotating rod. The upper fixed sleeve is provided with a second traction roller, the first traction roller is arranged in parallel with the guide roller, a PVC pipe is placed between the first traction roller and the second traction roller, the first rotating rod upper fixed sleeve is provided with a first gear, the second rotating rod upper fixed sleeve is provided with a second gear, the first gear and the second gear are meshed with each other, a motor is installed on the side wall of the box body through a machine base, the output shaft of the motor is fixedly connected to the first rotating rod, the support frame is driven to move horizontally through the sliding plate, and the support frame drives the guide roller to move horizontally, thereby realizing the adjustment of the distance between the guide roller and the discharge end of the traction device. After the PVC pipe is moved out from the discharge end of the box body, it passes through the guide roller, and the guide roller supports the PVC pipe to avoid the PVC pipe from being suspended and causing bending, which is beneficial to improving the protection of the PVC pipe.

[0007] Preferably, a fixing frame is installed on the side wall of the box body, an exhaust pipe is fixedly installed on the fixing frame, a cavity is opened inside the exhaust pipe, a plurality of exhaust holes are opened on the inner wall of the exhaust pipe, a fan is installed on the top plate of the box body through a machine base, an air guide pipe is installed on the fan, the other end of the air guide pipe is connected to the cavity, and the PVC pipe passing through is cooled by blowing through the exhaust pipe. After the PVC pipe is cooled and hardened through the exhaust pipe, it is moved by the first traction roller and the second traction roller, thereby avoiding softening and deformation of the pipe, which is beneficial to improving the cooling performance of the PVC pipe.

[0008] The utility model is beneficial in that:

[0009] 1. The utility model drives the support frame to move horizontally through the sliding plate, and the support frame drives the guide roller to move horizontally, thereby realizing the adjustment of the distance between the guide roller and the discharge end of the traction device. After the PVC pipe is moved out from the discharge end of the box, it passes through the guide roller, and the guide roller supports the PVC pipe to avoid the PVC pipe from being suspended and causing bending, which is beneficial to improving the protection of the PVC pipe.

[0010] 2. The utility model cools the PVC pipe passing through the exhaust pipe by blowing air. After the PVC pipe is cooled and hardened through the exhaust pipe, it is pulled and moved by the first traction roller and the second traction roller, thereby avoiding softening and deformation of the pipe and being beneficial to improving the cooling performance of the PVC pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of the guide roller;

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure of the traction roller;

[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the exhaust pipe.

[0016] In the figure: 1. box body; 2. slide groove; 3. limit groove; 4. screw rod; 5. knob; 6. sliding plate; 7. limit block; 8. support frame; 9. guide roller; 10. first rotating rod; 11. second rotating rod; 12. first traction roller; 13. second traction roller; 14. first gear; 15. second gear; 16. motor; 17. fixing frame; 18. exhaust pipe; 19. cavity; 20. exhaust hole; 21. fan; 22. air guide pipe; 23. PVC pipe. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-3As shown, a PVC pipe traction device comprises a box body 1, a slide groove 2 is provided inside the box body 1, a limiting groove 3 is provided on the inner wall of the slide groove 2, a screw rod 4 is rotatably installed on the inner wall of the slide groove 2, a knob 5 is welded on one side of the screw rod 4, a sliding plate 6 is installed in the slide groove 2, two groups of limiting blocks 7 are symmetrically welded on the side wall of the sliding plate 6, the limiting blocks 7 are installed in the limiting groove 3, the sliding plate 6 is sleeved on the outer periphery of the screw rod 4 and slides with the screw rod 4 through threads, a support plate is welded on the sliding plate 6, a support frame 8 is welded on the support plate, a guide roller 9 is rotatably installed on the support frame 8, a first rotating rod 10 and a second rotating rod 11 are rotatably installed on the inner wall of the box body 1, and a fixed sleeve is provided on the first rotating rod 10 There is a first traction roller 12, a second traction roller 13 is fixedly sleeved on the second rotating rod 11, the first traction roller 12 is arranged in parallel with the guide roller 9, a PVC pipe 23 is placed between the first traction roller 12 and the second traction roller 13, a first gear 14 is fixedly sleeved on the first rotating rod 10, a second gear 15 is fixedly sleeved on the second rotating rod 11, the first gear 14 and the second gear 15 are meshed with each other, a motor 16 is installed on the side wall of the box body 1 through a machine base, and the output shaft of the motor 16 is fixedly connected to the first rotating rod 10; when working, when the existing traction device is traction on the PVC pipe 23, the discharge end of the traction device is often in contact with the PVC pipe 23 cutting device There is a certain distance between them. The PVC pipe 23 is not very hard and is very easy to bend due to gravity during suspended transmission, resulting in poor protection of the device, affecting the quality of the PVC pipe 23. By turning the knob 5, the screw rod 4 is driven to rotate, and the screw rod 4 drives the sliding plate 6 thereon to move horizontally. The sliding plate 6 drives the support frame 8 to move horizontally, and the support frame 8 drives the guide roller 9 to move horizontally, thereby realizing the adjustment of the distance between the guide roller 9 and the discharge end of the traction device. According to the distance between the traction device and the cutting device, the position of the guide roller 9 is adjusted so that the guide roller 9 can support the PVC pipe 23 in the suspended section between the traction device and the cutting device; through the motor 1 6 operates, driving the first rotating rod 10 to rotate, the first rotating rod 10 drives the first gear 14 to rotate, the first gear 14 pushes the second gear 15 to rotate, and the second gear 15 drives the second rotating rod 11 to rotate, that is, the first rotating rod 10 and the second rotating rod 11 rotate synchronously and relatively, driving the first traction roller 12 and the second traction roller 13 to rotate synchronously and relatively, the first traction roller 12 and the second traction roller 13 pull the PVC pipe 23, after the PVC pipe 23 moves out from the discharge end of the box body 1, it passes through the guide roller 9, and the guide roller 9 supports the PVC pipe 23 to prevent the PVC pipe 23 from being suspended and causing bending, which is beneficial to improving the protection of the PVC pipe 23.

[0019] See also Figure 4As shown, a fixing frame 17 is installed on the side wall of the box body 1, an exhaust pipe 18 is fixedly installed on the fixing frame 17, a cavity 19 is opened inside the exhaust pipe 18, and a plurality of exhaust holes 20 are opened on the inner wall of the exhaust pipe 18. A fan 21 is installed on the top plate of the box body 1 through a machine base, and an air guide pipe 22 is installed on the fan 21, and the other end of the air guide pipe 22 is connected to the cavity 19; when working, when the existing traction device transports the newly extruded PVC pipe 23, the newly extruded PVC pipe 23 is not completely cooled, the pipe is easy to soften, and the pipe is easy to deform during traction. , resulting in poor cooling performance for the PVC pipe 23. When the PVC pipe 23 passes through the exhaust pipe 18, the fan 21 operates, and the fan 21 introduces cold air into the air guide pipe 22. The cold air is introduced from the air guide pipe 22 into the cavity 19 of the exhaust pipe 18, and then blown out from the exhaust hole 20. The exhaust pipe 18 cools the PVC pipe 23 passing through it by blowing air. After the PVC pipe 23 is cooled and hardened after passing through the exhaust pipe 18, it is pulled and moved by the first traction roller 12 and the second traction roller 13, which avoids softening and deformation of the pipe and is beneficial to improving the cooling performance of the PVC pipe 23.

[0020] Working principle: When the existing traction device transports the newly extruded PVC pipe 23, the newly extruded PVC pipe 23 is not completely cooled, the pipe is easy to soften, and the pipe is easy to deform during traction, resulting in poor cooling of the PVC pipe 23. When the PVC pipe 23 passes through the exhaust pipe 18, the fan 21 operates, and the fan 21 introduces cold air into the air guide pipe 22. The cold air is introduced from the air guide pipe 22 into the cavity 19 of the exhaust pipe 18, and then blown out from the exhaust hole 20. The exhaust pipe 18 blows air to cool the PVC pipe 23 passing through. However, after the PVC pipe 23 is cooled and hardened through the exhaust pipe 18, it is pulled and moved by the first pulling roller 12 and the second pulling roller 13, which avoids the softening and deformation of the pipe and is beneficial to improving the cooling of the PVC pipe 23; when the existing pulling device pulls the PVC pipe 23, there is often a certain distance between the discharge end of the pulling device and the PVC pipe 23 cutting device. The PVC pipe 23 is not very hard and is very easy to bend due to gravity during suspended transmission, resulting in poor protection of the device, affecting the quality of the PVC pipe 23. By turning the knob 5, drives the screw rod 4 to rotate, the screw rod 4 drives the sliding plate 6 thereon to move horizontally, the sliding plate 6 drives the support frame 8 to move horizontally, the support frame 8 drives the guide roller 9 to move horizontally, and the distance between the guide roller 9 and the discharge end of the traction device is adjusted. According to the distance between the traction device and the cutting device, the position of the guide roller 9 is adjusted so that the guide roller 9 can support the PVC pipe 23 in the suspended section between the traction device and the cutting device; the motor 16 is operated to drive the first rotating rod 10 to rotate, the first rotating rod 10 drives the first gear 14 to rotate, and the first rotating rod 10 drives the first gear 14 to rotate. A gear 14 drives the second gear 15 to rotate, and the second gear 15 drives the second rotating rod 11 to rotate, that is, the first rotating rod 10 and the second rotating rod 11 rotate synchronously relative to each other, driving the first traction roller 12 and the second traction roller 13 to rotate synchronously relative to each other, and the first traction roller 12 and the second traction roller 13 pull the PVC pipe 23. After the PVC pipe 23 moves out from the discharge end of the box body 1, it passes through the guide roller 9, and the guide roller 9 supports the PVC pipe 23 to prevent the PVC pipe 23 from being suspended in the air and causing bending, which is beneficial to improving the protection of the PVC pipe 23.

[0021] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A PVC pipe pulling device, characterized in that: The invention comprises a box body (1), wherein a slide groove (2) is provided inside the box body (1), a limit groove (3) is provided on the inner wall of the slide groove (2), a screw rod (4) is rotatably mounted on the inner wall of the slide groove (2), a knob (5) is welded on one side of the screw rod (4), a sliding plate (6) is installed in the slide groove (2), two groups of limit blocks (7) are symmetrically welded on the side wall of the sliding plate (6), the limit blocks (7) are installed in the limit groove (3), the sliding plate (6) is sleeved on the outer periphery of the screw rod (4) and slides with the screw rod (4) through a thread, and the sliding plate (6) is provided with a plurality of screws (5) on the inner wall of the sliding plate (6). A support plate is welded, a support frame (8) is welded on the support plate, a guide roller (9) is rotatably mounted on the support frame (8), a first rotating rod (10) and a second rotating rod (11) are rotatably mounted on the inner wall of the box body (1), a first traction roller (12) is fixedly sleeved on the first rotating rod (10), a second traction roller (13) is fixedly sleeved on the second rotating rod (11), the first traction roller (12) is arranged parallel to the guide roller (9), and a PVC pipe (23) is placed between the first traction roller (12) and the second traction roller (13).

2. A PVC pipe pulling device according to claim 1, characterized in that: A first gear (14) is fixedly sleeved on the first rotating rod (10), and a second gear (15) is fixedly sleeved on the second rotating rod (11); the first gear (14) and the second gear (15) are meshed with each other.

3. A PVC pipe pulling device according to claim 1, characterized in that: A motor (16) is installed on the side wall of the box body (1) via a machine base, and an output shaft of the motor (16) is fixedly connected to the first rotating rod (10).

4. A PVC pipe pulling device according to claim 1, characterized in that: A fixing frame (17) is installed on the side wall of the box body (1), and an exhaust pipe (18) is fixedly installed on the fixing frame (17).

5. A PVC pipe pulling device according to claim 4, characterized in that: A cavity (19) is provided inside the exhaust pipe (18), and a plurality of exhaust holes (20) are provided on the inner wall of the exhaust pipe (18).

6. A PVC pipe pulling device according to claim 1, characterized in that: A fan (21) is installed on the top plate of the box body (1) via a machine base, an air guide pipe (22) is installed on the fan (21), and the other end of the air guide pipe (22) is connected to the cavity (19).

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