Pipe clamping device in PVC pipe production line

By designing a pipe clamping device including a support plate, a clamping plate, a clamping arm, a non-slip pad, a stepper motor and a guide rod, the problem that the clamping force in the existing technology is difficult to control and cannot be adjusted is solved, and the pipe clamping device is realized. Stable clamping and flexible adjustment.

CN222372110UActive Publication Date: 2025-01-21SICHUAN HONGTIAN NEW BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202421113481.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-21
Publication Date
2025-01-21
Estimated Expiration
2034-05-21

AI Technical Summary

Technical Problem

The pipe clamping devices in the existing PVC pipe production lines use hydraulic or pneumatic clamping, and the clamping force is not easy to control. The pipe is easily damaged due to the clamping force, and the pipe cannot be adjusted in azimuth, making it inconvenient to use.

Method used

A pipe clamping device including a support plate, a first clamping plate, a second clamping plate, a first clamping arm, a second clamping arm, an anti-slip pad, a first stepping motor and a guide rod is designed. The connection screw is driven to rotate, combined with the design of the thread and guide rod, to achieve gradual control of the clamping force and stable clamping of the pipe; at the same time, the second stepper motor drives the driving wheel to rotate, and the belt and transmission wheel are used to achieve the leveling of the pipe. Tilt adjustment.

Benefits of technology

It effectively prevents pipe rupture caused by excessive instantaneous clamping force, realizes the orientation adjustment of the pipe, and improves production flexibility and ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pipe clamping device in a polyvinyl chloride (PVC) pipe production line, which belongs to the technical field of pipe production and comprises a support plate, a first clamping arm and a second clamping plate, and the first clamping plate is welded on one side of the upper end of the support plate. By arranging the supporting plate, the first clamping plate, the second clamping plate, the first clamping arm, the second clamping arm, the anti-skid liner, the first stepping motor and the guide rod, the first stepping motor works to drive the connecting lead screw to rotate, and when the connecting lead screw rotates, the first clamping plate and the second clamping plate get close to each other under the action of threads and the guiding assistance of the supporting plate; the first clamping arm and the second clamping arm can be close to each other, the first clamping arm and the second clamping arm can clamp the pipe through an anti-skid gasket, the pipe can be gradually clamped through cooperation of a first stepping motor and a connecting lead screw, and compared with a hydraulic clamping mechanism and an air pressure clamping mechanism, the clamping force of the pipe clamping device cannot suddenly change, and the pipe clamping device is convenient to use. And pipe breakage caused by too large instant clamping force can be effectively prevented, and the device is very practical.
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Description

Technical Field

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

[0002] The main component of PVC is polyvinyl chloride, which is a material that is added with other ingredients 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 pipes, also known as rigid polyvinyl chloride pipes, are made of polyvinyl chloride resin, stabilizers, lubricants, etc., and are extruded by hot pressing. They are the earliest plastic pipes developed and applied.

[0003] The pipe clamping device in the existing PVC pipe production line uses a hydraulic or pneumatic clamping device to clamp the pipe. The clamping force is difficult to control, and the pipe is easily damaged due to a sudden increase in the clamping force. Moreover, the pipe clamping device in the existing PVC pipe production line cannot adjust the position of the pipe after clamping the pipe, which is inconvenient to use. Utility Model Content

[0004] The main purpose of the utility model is to provide a pipe clamping device in a PVC pipe production line to solve the problem that the pipe clamping device in the existing PVC pipe production line uses a hydraulic or pneumatic clamping device to clamp the pipe, the clamping force is difficult to control, and the pipe is easily damaged due to a sudden increase in the clamping force.

[0005] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0006] A pipe clamping device in a PVC pipe production line comprises a support plate, a first clamping arm and a second clamping plate, wherein the first clamping plate is welded to one side of the upper end of the support plate, the first clamping arms are welded to the middle of the upper end and both sides of the upper end of the first clamping plate, the second clamping plate is arranged at the upper end of the support plate located on one side of the first clamping plate, the second clamping arms are welded to the middle of the upper end and both sides of the upper end of the second clamping plate, the upper end of the inner wall of the first clamping arm and the upper end of the inner wall of the second clamping arm are both glued with anti-slip pads, the middle of the wall of the second clamping plate away from the first clamping plate is arranged with a first stepper motor, the transmission output end of the first stepper motor is arranged with a connecting screw, and guide rods are arranged on the inner wall of the first clamping plate located on both sides of the connecting screw.

[0007] Preferably, the first stepper motor is connected to the side wall of the second clamping plate by bolts, the connecting screw rod is connected to the second clamping plate through a bearing at one end close to the first stepper motor, the connecting screw rod is connected to the middle part of the first clamping plate by threads, and the lower end of the second clamping plate is slidably connected to the upper end of the support plate.

[0008] Preferably, the guide rod and the first clamping plate are fixed by a clamping slot, and the guide rod and the second clamping plate are slidably connected. The guide rod and the first clamping plate are fixed by a clamping slot, and the guide rod and the second clamping plate are slidably connected.

[0009] Preferably, a support shaft is connected to one side of the middle portion of the lower end of the support plate via bolts, a stabilizing seat is connected to the periphery of the lower end of the support shaft via a slewing bearing, and a base is welded to the lower end of the stabilizing seat.

[0010] Preferably, the outer middle portion of the supporting shaft is connected to a transmission wheel via a key, the upper end of the base located on one side of the stable seat is connected to a second stepper motor via bolts, and the transmission output end of the second stepper motor is connected to a driving wheel via a key.

[0011] Preferably, a belt is embedded in the driving wheel, the driving wheel and the transmission wheel are connected through the belt, and universal wheels are connected at the four corners of the lower end of the base through bolts.

[0012] Beneficial technical effects of the utility model:

[0013] The utility model provides a pipe clamping device in a PVC pipe production line, which is provided with a support plate, a first clamping plate, a second clamping plate, a first clamping arm, a second clamping arm, an anti-skid pad, a first stepper motor and a guide rod. When the first stepper motor works, it drives the connecting screw to rotate. When the connecting screw rotates, under the action of the thread and with the guidance of the support plate, the first clamping plate and the second clamping plate will approach each other, and then the first clamping arm and the second clamping arm will also approach each other. The first clamping arm and the second clamping arm can clamp the pipe through the anti-skid pad. The cooperation of the first stepper motor and the connecting screw can gradually clamp the pipe. Compared with the hydraulic clamping mechanism and the pneumatic clamping mechanism, the clamping force will not change suddenly, which can effectively prevent the pipe from rupture due to excessive instantaneous clamping force. It is very practical. The utility model solves the problem that the pipe clamping device in the existing PVC pipe production line uses a hydraulic or pneumatic clamping device to clamp the pipe, the clamping force is difficult to control, and the pipe is easily damaged due to the sudden increase in the clamping force; and the utility model is provided with a supporting shaft, a stabilizing seat, a second stepping motor, a driving wheel, a belt and a transmission wheel. The second stepping motor can drive the driving wheel to rotate when working, and then the driving wheel drives the transmission wheel and the supporting shaft to rotate through the belt. The stabilizing seat can ensure that the supporting shaft has sufficient stability. In this way, the device can adjust the horizontal inclination angle of the clamped and fixed pipe to meet the production needs, which solves the problem that the pipe clamping device in the existing PVC pipe production line cannot adjust the position of the pipe after clamping the pipe, which is inconvenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1It is a schematic diagram of the overall structure of a preferred embodiment of a pipe clamping device in a PVC pipe production line according to the utility model;

[0015] Figure 2 It is a schematic diagram of the connection structure of a support plate, a first clamping plate and a guide rod according to a preferred embodiment of a pipe clamping device in a PVC pipe production line of the utility model;

[0016] Figure 3 The utility model is a schematic diagram of the connection structure of the second clamping plate, the first stepping motor and the connecting screw rod of a preferred embodiment of the pipe clamping device in a PVC pipe production line.

[0017] In the figure: 1-support plate, 2-first clamping plate, 3-first clamping arm, 4-second clamping plate, 5-second clamping arm, 6-anti-slip pad, 7-first stepper motor, 8-connecting screw rod, 9-guide rod, 10-support shaft, 11-stable seat, 12-base, 13-transmission wheel, 14-second stepper motor, 15-driving wheel, 16-belt, 17-universal wheel. DETAILED DESCRIPTION

[0018] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0019] like Figure 1-Figure 3 As shown, the present embodiment provides a pipe clamping device in a PVC pipe production line, comprising a support plate 1, a first clamping arm 3 and a second clamping plate 4, a first clamping plate 2 is welded to one side of the upper end of the support plate 1, a first clamping arm 3 is welded to the middle of the upper end and both sides of the upper end of the first clamping plate 2, a second clamping plate 4 is arranged on the upper end of the support plate 1 located on one side of the first clamping plate 2, a second clamping arm 5 is welded to the middle of the upper end and both sides of the upper end of the second clamping plate 4, an anti-slip pad 6 is glued to the upper end of the inner wall of the first clamping arm 3 and the upper end of the inner wall of the second clamping arm 5, a first stepper motor 7 is arranged in the middle of the side wall of the second clamping plate 4 away from the first clamping plate 2, a connecting screw 8 is arranged at the transmission output end of the first stepper motor 7, guide rods 9 are arranged on the inner wall of the first clamping plate 2 located on both sides of the connecting screw 8, the first clamping arm 3 is welded to the first clamping plate 2 and the support plate 1 as a whole, and the second clamping arm 5 is welded to the second clamping plate 4 as a whole.

[0020] refer to Figure 1 and Figure 3As shown, the first stepper motor 7 is connected to the side wall of the second clamping plate 4 by bolts, the connecting screw 8 is connected to the second clamping plate 4 by a bearing at one end close to the first stepper motor 7, the connecting screw 8 is connected to the middle part of the first clamping plate 2 by a thread, the lower end of the second clamping plate 4 is slidingly connected to the upper end of the support plate 1, and the first stepper motor 7 can drive the connecting screw 8 to rotate when working. When the connecting screw 8 rotates, under the action of the thread and with the guidance assistance of the support plate 1, the first clamping plate 2 and the second clamping plate 4 will approach each other.

[0021] refer to Figure 1-Figure 3 As shown, the guide rod 9 is fixed to the first clamp plate 2 through a slot, and the guide rod 9 is slidably connected to the second clamp plate 4. The guide rod 9 is fixed to the first clamp plate 2 through a slot, and the guide rod 9 is slidably connected to the second clamp plate 4. The guide rod 9 can play an auxiliary guiding and auxiliary stabilizing role when the first clamp plate 2 and the second clamp plate 4 are close to each other.

[0022] refer to Figure 1 As shown, a support shaft 10 is connected to one side of the middle of the lower end of the support plate 1 by bolts, and a stabilizing seat 11 is connected to the outer periphery of the lower end of the support shaft 10 by a swivel bearing. A base 12 is welded to the lower end of the stabilizing seat 11. The support plate 1 can rotate synchronously with the support shaft 10. With the assistance of the base 12, the stabilizing seat 11 can make the support shaft 10 have sufficient stability.

[0023] refer to Figure 1 As shown, the outer middle portion of the support shaft 10 is connected to a transmission wheel 13 through a key, the upper end of the base 12 located on one side of the stable seat 11 is connected to a second stepper motor 14 through bolts, and the transmission output end of the second stepper motor 14 is connected to a driving wheel 15 through a key. The support shaft 10 can rotate synchronously with the transmission wheel 13, and the second stepper motor 14 can drive the driving wheel 15 to rotate when working.

[0024] refer to Figure 1 As shown, a belt 16 is embedded on the driving wheel 15, and the driving wheel 15 is connected to the transmission wheel 13 through the belt 16. Universal wheels 17 are connected to the four corners of the lower end of the base 12 through bolts. When the driving wheel 15 rotates, the transmission wheel 13 can be driven to rotate through the belt 16. The device can be easily moved through the universal wheel 17, and the universal wheel 17 can be locked through the wheel lock mechanism on the universal wheel 17 to fix the position of the device.

[0025] like Figure 1-Figure 3 As shown, the working process of a pipe clamping device in a PVC pipe production line provided in this embodiment is as follows:

[0026] Step 1: The device uses an external power supply and is controlled by an external device to work. The device is placed on the PVC pipe production line according to the needs of use. The anti-skid pad 6 is flush with the pipe. When the device needs to be used to clamp the pipe, the first stepper motor 7 works to drive the connecting screw 8 to rotate. When the connecting screw 8 rotates, under the action of the thread and the guidance of the support plate 1, the first clamping plate 2 and the second clamping plate 4 will approach each other, and the first clamping arm 3 and the second clamping arm 5 will also approach each other. The first clamping arm 3 and the second clamping arm 5 can clamp the pipe through the anti-skid pad 6. The cooperation of the first stepper motor 7 and the connecting screw 8 can gradually clamp the pipe. Compared with the hydraulic clamping mechanism and the pneumatic clamping mechanism, the clamping force will not change suddenly, which can effectively prevent the pipe from rupturing due to excessive instantaneous clamping force, which is very practical.

[0027] Step 2: The pipe is clamped and fixed by the device or, if the horizontal inclination angle of the pipe needs to be adjusted, the second stepper motor 14 can be operated. When working, the second stepper motor 14 can drive the driving wheel 15 to rotate, and then the driving wheel 15 drives the transmission wheel 13 and the supporting shaft 10 to rotate through the belt 16. The stabilizing seat 11 can ensure that the supporting shaft 10 has sufficient stability. In this way, the device can adjust the horizontal inclination angle of the clamped pipe to meet production needs.

[0028] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A pipe clamping device in a PVC pipe production line, comprising a support plate (1), a first clamping arm (3) and a second clamping plate (4), characterized in that: A first clamping plate (2) is welded to one side of the upper end of the support plate (1), and the first clamping arms (3) are welded to the middle and both sides of the upper end of the first clamping plate (2). The second clamping plate (4) is arranged on the upper end of the support plate (1) on one side of the first clamping plate (2), and the second clamping arms (5) are welded to the middle and both sides of the upper end of the second clamping plate (4). The upper end of the inner wall of the first clamping arm (3) and the upper end of the inner wall of the second clamping arm (5) are both glued with anti-slip pads (6). A first stepper motor (7) is arranged in the middle of the wall of the second clamping plate (4) away from the first clamping plate (2), and a connecting screw (8) is arranged at the transmission output end of the first stepper motor (7). Guide rods (9) are arranged on the inner wall of the first clamping plate (2) on both sides of the connecting screw (8).

2. The pipe clamping device in a PVC pipe production line according to claim 1, characterized in that: The first stepper motor (7) is connected to the side wall of the second clamping plate (4) by bolts, the end of the connecting screw (8) close to the first stepper motor (7) is connected to the second clamping plate (4) by a bearing, the connecting screw (8) is connected to the middle part of the first clamping plate (2) by threads, and the lower end of the second clamping plate (4) is slidably connected to the upper end of the support plate (1).

3. The pipe clamping device in a PVC pipe production line according to claim 1, characterized in that: The guide rod (9) and the first clamping plate (2) are fixed via a clamping groove, and the guide rod (9) and the second clamping plate (4) are slidably connected.

4. The pipe clamping device in a PVC pipe production line according to claim 1, characterized in that: A support shaft (10) is connected to one side of the middle of the lower end of the support plate (1) via bolts, and a stabilizing seat (11) is connected to the outer periphery of the lower end of the support shaft (10) via a slewing bearing, and a base (12) is welded to the lower end of the stabilizing seat (11).

5. The pipe clamping device in a PVC pipe production line according to claim 4, characterized in that: The outer periphery of the middle part of the supporting shaft (10) is connected to a transmission wheel (13) via a key, the upper end of the base (12) located on one side of the stabilizing seat (11) is connected to a second stepping motor (14) via bolts, and the transmission output end of the second stepping motor (14) is connected to a driving wheel (15) via a key.

6. The pipe clamping device in a PVC pipe production line according to claim 5, characterized in that: A belt (16) is embedded on the driving wheel (15), the driving wheel (15) and the transmission wheel (13) are connected via the belt (16), and universal wheels (17) are connected at the four corners of the lower end of the base (12) via bolts.