Traction machine for PVC pipe production

Abstract

The utility model relates to the technical field of PVC (polyvinyl chloride) pipe production, and discloses a traction machine for PVC pipe production, which comprises a support frame, a plurality of driving rollers are arranged in the support frame, the upper surface of the support frame is fixedly connected with a support frame, the upper surface of the support frame is symmetrically and fixedly connected with two electric push rods, and the upper surface of the support frame is fixedly connected with a motor. The output ends of the two electric push rods extend to the lower portion of the supporting frame and are fixedly connected with fixing plates, the lower ends of the two fixing plates are fixedly connected with connecting plates, the lower ends of the two connecting plates are fixedly connected with first clamping plates, and the two ends of the two first clamping plates are movably connected with second clamping plates; when the traction machine is used, PVC pipelines with different diameters can be dragged, the PVC pipelines can be well limited, the deviation or bending condition is avoided, traction conveying is convenient, use is convenient, and meanwhile the PVC pipelines can be cooled through cold air.

Description

Technical Field

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

[0002] PVC is mainly composed of polyvinyl chloride, and other ingredients are added to enhance its heat resistance, toughness and ductility. The top layer of this surface film is paint, the main component in the middle is polyvinyl chloride, and the bottom layer is back-coated adhesive. PVC-O pipe, Chinese name biaxially oriented polyvinyl chloride, is the latest evolution of PVC pipe. It is a pipe made through a special orientation processing technology. PVC pipes need to be transported by a traction machine during production.

[0003] A traction machine for PVC pipe production with the announcement number CN 212124121 U is retrieved, comprising a base, the upper end of the base is fixedly connected to a shell, the bottom of the base is fixedly connected to four universal wheels, four U-shaped frames are arranged in the shell, two telescopic rods are fixedly connected between the four U-shaped frames and the inner wall of the shell, the two telescopic rods on the same side are both located in the adjustment spring, the upper ends of the two U-shaped frames opposite to each other on the left and right are fixedly connected to drive motors, the output ends of the two drive motors are fixedly connected to the center end of the roller shaft on the same side, and a limit mechanism is arranged between the two drive motors and the upper end of the shell. The utility model has a reasonable structure, which can not only realize the traction of PVC pipes of different diameters, but also protect the adjustment spring and increase its service life, and can also increase the traction force on the PVC pipe, and is convenient for replacing the anti-slip rubber pad, and has good practicality.

[0004] However, the above-mentioned traction machine still has some shortcomings during use. When traction is performed on larger or smaller PVC pipes, the curvature of the surface of the protrusion cannot fit the pipe, the contact surface is small, and it cannot be adjusted according to the actual situation, resulting in low friction, easy bending and folding, and inconvenient traction. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a traction machine for PVC pipe production, which solves the problem that when pulling larger or smaller PVC pipes, the curvature of the surface of the protrusion cannot fit the pipe, the contact surface is small, and it cannot be adjusted according to actual conditions, resulting in small friction, easy bending and folding, and inconvenient pulling.

[0006] The utility model provides the following technical scheme: a traction machine for PVC pipe production, comprising a support frame, a plurality of driving rollers are arranged inside the support frame, the upper surface of the support frame is fixedly connected to a support frame, the upper surface of the support frame is symmetrically fixedly connected to two electric push rods, the output ends of the two electric push rods extend to the bottom of the support frame and are fixedly connected to a fixed plate, the lower ends of the two fixed plates are fixedly connected to a connecting plate, the lower ends of the two connecting plates are fixedly connected to a first clamping plate, the two ends of the two first clamping plates are movably connected to a second clamping plate, long rods are fixedly connected between the two first clamping plates and the two fixed plates, the surfaces of the two long rods are slidably sleeved with sliding sleeves, the two side surfaces of the two sliding sleeves are movably connected to connecting rods between four second clamping plates, the surfaces of the two long rods are fixedly connected to racks, the interiors of the two sliding sleeves are rotatably connected to gears, the two gears and the two racks are meshed with each other, the surfaces of the two sliding sleeves are fixedly connected to drive motors, the output ends of the two drive motors extend to the interiors of the two sliding sleeves and are fixedly connected to the two gears respectively.

[0007] Preferred technical solution 1: A driving device is fixedly installed on the side of the support frame, and the plurality of driving rollers are driven by the driving device.

[0008] This solution can conveniently drive multiple driving rollers to rotate, thereby towing and transporting PVC pipes.

[0009] Preferred technical solution two: two vertical plates are fixedly connected to the upper surface of the support frame, an air outlet duct is fixedly installed between the two vertical plates, a plurality of nozzles are connected to the lower surface of the air outlet duct, an air cooler is arranged on the upper surface of the support frame, and the air outlet end of the air cooler is connected to the air outlet duct.

[0010] This solution can facilitate blowing cold air to the PVC pipe and accelerate its cooling speed.

[0011] Preferred technical solution three: Limiting grooves are provided on the surfaces of the two connecting plates, and limiting blocks are slidably connected inside the two limiting grooves, and the two limiting blocks are fixedly connected to the two sliding sleeves respectively.

[0012] This solution can make the movement of the sliding sleeve more stable and smooth, making it easier to use.

[0013] Preferred technical solution four: A plurality of rotating wheels are arranged on the lower surfaces of the two first clamping plates and the four second clamping plates, and the plurality of driving rollers and the plurality of rotating wheels are all made of rubber and have anti-slip grooves on the surfaces.

[0014] This solution can avoid damage to the pipeline surface and increase the friction with the pipeline.

[0015] Preferred technical solution five: A controller is fixedly installed on the side of the support frame, and the two driving motors, the two electric push rods, the driving device and the air cooler are all electrically connected to the controller.

[0016] This solution can facilitate the control of various components and facilitate operation.

[0017] Compared with the prior art, the utility model provides a traction machine for PVC pipe production, which has the following beneficial effects: when in use, the PVC pipe to be towed is placed on the driving roller, and then the fixed plate and the first clamping plate are driven to perform preliminary position limiting on the PVC pipe by the extension of the electric push rod, and then the gear is driven to rotate by the rotation of the driving motor, so that the sliding sleeve is driven to move by the action of the rack, and the connecting rod is driven to move by the movement of the sliding sleeve, so that the position of the second clamping plate is adjusted, so that the second clamping plate further limits the PVC pipe and increases the contact area, and then the driving device controls multiple driving rollers It rotates to transport and pull the PVC pipe. At the same time, the PVC pipe can be moved smoothly through the setting of multiple rotating wheels. At the same time, when the PVC pipe is pulled, the cold air is transported to the inside of the air outlet pipe through the cold air fan and sprayed out through the nozzle, so that the PVC pipe can be quickly cooled and hardened, which is convenient for subsequent traction. When in use, the traction machine can pull PVC pipes of different diameters and can limit the PVC pipe well to avoid deviation or bending, which is convenient for traction and transmission, easy to use, and can cool the PVC pipe with cold air. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For the utility model Figure 1 A is an enlarged view of the structure;

[0020] Figure 3 This is a structural disassembly diagram of the fixed plate and the connecting plate of the utility model.

[0021] In the figure: 1. support frame; 2. driving roller; 3. supporting frame; 4. electric push rod; 5. fixing plate; 6. connecting plate; 7. first clamping plate; 8. second clamping plate; 9. long rod; 10. sliding sleeve; 11. connecting rod; 12. rack; 13. gear; 14. driving motor; 15. driving device; 16. vertical plate; 17. air outlet duct; 18. air cooler; 19. limit groove; 20. limit block; 21. controller. DETAILED DESCRIPTION

[0022] See also Figure 1-3 ,

[0023] Embodiment 1: A traction machine for PVC pipe production, comprising a support frame 1, a plurality of driving rollers 2 are arranged inside the support frame 1, a support frame 3 is fixedly connected to the upper surface of the support frame 1, two electric push rods 4 are symmetrically fixedly connected to the upper surface of the support frame 3, the output ends of the two electric push rods 4 extend to the bottom of the support frame 3 and are fixedly connected to a fixed plate 5, the lower ends of the two fixed plates 5 are fixedly connected to a connecting plate 6, the lower ends of the two connecting plates 6 are fixedly connected to a first clamping plate 7, the two ends of the two first clamping plates 7 are movably connected to a second clamping plate 8, the two first clamping plates 7 and the two fixed A long rod 9 is fixedly connected between the plates 5, and a sliding sleeve 10 is slidably sleeved on the surface of the two long rods 9. The two side surfaces of the two sliding sleeves 10 are movably connected to the four second clamping plates 8 with connecting rods 11 respectively. A rack 12 is fixedly connected to the surface of the two long rods 9, and gears 13 are rotatably connected inside the two sliding sleeves 10. The two gears 13 and the two racks 12 are meshed with each other. A driving motor 14 is fixedly connected to the surface of the two sliding sleeves 10, and the output ends of the two driving motors 14 extend to the inside of the two sliding sleeves 10 and are fixedly connected to the two gears 13 respectively.

[0024] Embodiment 2: The difference between this embodiment and embodiment 1 is that a driving device 15 is fixedly installed on the side of the support frame 1, and multiple driving rollers 2 are driven by the driving device 15, which facilitates the multiple driving rollers 2 to rotate, thereby towing and transporting the PVC pipe.

[0025] Embodiment 3: The difference between this embodiment and embodiment 1 lies in that, two vertical plates 16 are fixedly connected to the upper surface of the support frame 1, an air outlet pipe 17 is fixedly installed between the two vertical plates 16, a plurality of nozzles are connected to the lower surface of the air outlet pipe 17, an air cooler 18 is arranged on the upper surface of the support frame 3, an air outlet end of the air cooler 18 is connected to the air outlet pipe 17, so as to blow cold air to the PVC pipe and accelerate its cooling speed.

[0026] Embodiment 4: The difference between this embodiment and embodiment 1 is that, the surfaces of the two connecting plates 6 are provided with limiting grooves 19, the interiors of the two limiting grooves 19 are slidably connected with limiting blocks 20, and the two limiting blocks 20 are fixedly connected to the two sliding sleeves 10 respectively, so that the movement of the sliding sleeves 10 is more stable and smooth, which is convenient for use.

[0027] Embodiment 5: The difference between this embodiment and embodiment 1 is that the lower surfaces of the two first clamps 7 and the four second clamps 8 are provided with multiple rotating wheels, the multiple driving rollers 2 and the multiple rotating wheels are all made of rubber material and the surfaces are provided with anti-slip grooves to avoid damage to the pipeline surface and increase the friction with the pipeline.

[0028] Embodiment 6: The difference between this embodiment and embodiment 1 is that a controller 21 is fixedly installed on the side of the support frame 3, and the two driving motors 14, the two electric push rods 4, the driving device 15 and the cooling fan 18 are all electrically connected to the controller 21, so as to facilitate the control of each component and facilitate operation.

[0029] In summary, the PVC pipe production traction machine, when in use, places the PVC pipe to be pulled on the driving roller 2, and then drives the fixing plate 5 and the first clamping plate 7 to initially limit the PVC pipe through the extension of the electric push rod 4, and then drives the gear 13 to rotate through the rotation of the driving motor 14, thereby driving the sliding sleeve 10 to move through the action of the rack 12, and then drives the connecting rod 11 to move through the movement of the sliding sleeve 10, so as to adjust the position of the second clamping plate 8, so that the second clamping plate 8 further limits the PVC pipe and increases the contact area, and then controls the multiple driving rollers 2 through the driving device 15. The PVC pipe can be transported and pulled by rotating, and the PVC pipe can be moved smoothly by setting a plurality of rotating wheels. When the PVC pipe is pulled, the cold air is transported to the inside of the air outlet pipe 17 by the cold air blower 18 and sprayed out through the nozzle, so that the PVC pipe can be quickly cooled and hardened, which is convenient for subsequent pulling. When the traction machine is in use, PVC pipes of different diameters can be pulled, and the PVC pipe can be well limited to avoid deviation or bending, which is convenient for pulling and transmission, easy to use, and can cool the PVC pipe with cold air.

Claims

1. A traction machine for producing PVC pipes, comprising a support frame (1), characterized in that: A plurality of driving rollers (2) are arranged inside the support frame (1); a support frame (3) is fixedly connected to the upper surface of the support frame (1); two electric push rods (4) are symmetrically fixedly connected to the upper surface of the support frame (3); the output ends of the two electric push rods (4) extend to the bottom of the support frame (3) and are fixedly connected to a fixing plate (5); the lower ends of the two fixing plates (5) are fixedly connected to a connecting plate (6); the lower ends of the two connecting plates (6) are fixedly connected to a first clamping plate (7); the two ends of the two first clamping plates (7) are movably connected to a second clamping plate (8); and a long rod ( 9), the surfaces of the two long rods (9) are slidably connected with a sliding sleeve (10), the two side surfaces of the two sliding sleeves (10) are movably connected with a connecting rod (11) between the four second clamping plates (8), the surfaces of the two long rods (9) are fixedly connected with a rack (12), the interiors of the two sliding sleeves (10) are rotatably connected with a gear (13), the two gears (13) and the two racks (12) are meshed with each other, the surfaces of the two sliding sleeves (10) are fixedly connected with a driving motor (14), and the output ends of the two driving motors (14) extend to the interiors of the two sliding sleeves (10) and are fixedly connected to the two gears (13) respectively.

2. A traction machine for producing PVC pipes according to claim 1, characterized in that: A driving device (15) is fixedly mounted on the side of the support frame (1), and the plurality of driving rollers (2) are driven by the driving device (15).

3. A traction machine for producing PVC pipes according to claim 2, characterized in that: Two vertical plates (16) are fixedly connected to the upper surface of the support frame (1), an air outlet pipe (17) is fixedly installed between the two vertical plates (16), a plurality of nozzles are connected to the lower surface of the air outlet pipe (17), and an air cooler (18) is arranged on the upper surface of the support frame (3), the air outlet end of the air cooler (18) is connected to the air outlet pipe (17).

4. A traction machine for producing PVC pipes according to claim 1, characterized in that: The surfaces of the two connecting plates (6) are provided with limiting grooves (19), the interiors of the two limiting grooves (19) are slidably connected to limiting blocks (20), and the two limiting blocks (20) are fixedly connected to the two sliding sleeves (10) respectively.

5. A traction machine for producing PVC pipes according to claim 1, characterized in that: The lower surfaces of the two first clamping plates (7) and the four second clamping plates (8) are each provided with a plurality of rotating wheels, and the plurality of driving rollers (2) and the plurality of rotating wheels are all made of rubber material and are provided with anti-slip grooves on their surfaces.

6. A traction machine for producing PVC pipes according to claim 3, characterized in that: A controller (21) is fixedly mounted on the side of the support frame (3); the two drive motors (14), the two electric push rods (4), the drive device (15) and the cooling fan (18) are all electrically connected to the controller (21).

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