A transfer device for PE pipe manufacturing

Abstract

The utility model discloses a kind of transfer equipment for PE pipe manufacturing, including rectangular plate and first adjusting plate and second adjusting plate being slidably arranged in its left and right sides, the rectangular plate, the second adjusting plate and the second adjusting plate bottom front and back sides are rotatably connected with moving wheel, the second adjusting plate is away from the rectangular plate top side fixedly connected with push rod: the rectangular plate top center is fixedly connected with No. The device has the advantages of efficient clamping PE pipe, can adjust the position of No.

Description

Technical Field

[0001] This utility model relates to the field of PE pipe transfer technology, specifically a transfer device for PE pipe manufacturing. Background Technology

[0002] In the manufacturing process of PE pipes (polyethylene pipes), transfer equipment is an important component to ensure a smooth production process. This type of equipment is mainly used to move and transfer raw materials or semi-finished products between different production stages, ensuring efficient operation while reducing errors and risks that may be caused by manual operation.

[0003] Existing transfer equipment can be referenced from Chinese Utility Model Patent Publication No. CN222179579U, which discloses a transfer device for PE pipe manufacturing, comprising: a rectangular plate, with a first adjusting plate and a second adjusting plate movably connected inside the rectangular plate, the first adjusting plate and the second adjusting plate being located on the left and right sides of the rectangular plate respectively; an adjusting mechanism disposed at the bottom of the inner cavity of the rectangular plate; wherein, the adjusting mechanism includes a drive motor, the bottom of which is fixedly connected to the bottom of the inner cavity of the rectangular plate. This utility model, by setting up a drive motor, gears, a first gear plate, and a second gear plate, allows the drive motor to rotate, causing the rotating shaft to drive the gear to rotate, thereby causing the gear to mesh with the first and second gear plates and driving the first and second adjusting plates to move in opposite directions, thus achieving the purpose of adjusting the length of the transfer device, solving the problem of the limitations of the transfer device in use, and improving the practicality of the device.

[0004] While the aforementioned device demonstrates good performance, it still exhibits some shortcomings in practical application. The device utilizes a drive motor, rotating blocks, connecting rods, and clamping blocks. When the two drive motors operate, the two drive shafts rotate the two rotating blocks, which in turn rotate the four connecting rods, causing the four clamping blocks to move in opposite directions, thus achieving automatic clamping and fixing of the PE pipe. This clamping mechanism involves multiple mechanical components (such as the drive motor, rotating blocks, connecting rods, and clamping blocks), making the entire system structure relatively complex. This complex mechanical structure not only increases the cost of equipment manufacturing but may also increase the probability of malfunctions. Utility Model Content

[0005] The purpose of this invention is to provide a transfer device for PE pipe manufacturing, which has the advantage of efficiently clamping PE pipes. It can not only adjust the position of the second support block, but also precisely control the clamping force on the PE pipe through the electric push rod and airbag, and is suitable for handling PE pipes of different specifications.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a transfer device for PE pipe manufacturing, comprising a rectangular plate and a first adjusting plate and a second adjusting plate slidably disposed on its left and right sides, wherein the rectangular plate, the second adjusting plate, and the bottom front and rear sides of the second adjusting plate are rotatably connected to movable wheels, and a push rod is fixedly connected to the side of the second adjusting plate away from the top of the rectangular plate.

[0007] A first support block is fixedly connected to the center of the top of the rectangular plate. The top of the first support block supports the PE pipe body. The PE pipe body is arranged parallel to the rectangular plate, the first adjusting plate, and the second adjusting plate. Second support blocks are provided on both the left and right sides of the top of the rectangular plate. The bottom of the inner wall of the two second support blocks is in contact with the left and right sides of the bottom surface of the PE pipe body. The two second support blocks are slidably connected to the top of the rectangular plate. An arc-shaped cover is provided above the top of the two second support blocks. The two arc-shaped covers are symmetrically arranged above the top of the rectangular plate. An air bladder is fixedly connected to the top of the inner wall of the two arc-shaped covers. The bottom of the two air bladders is slidably connected to the left and right sides of the top surface of the PE pipe body.

[0008] As a preferred embodiment of the transfer equipment for PE pipe manufacturing according to this utility model, a dual-axis motor is fixedly connected to the center of the bottom of the inner wall of the rectangular plate. Rotating shafts are fixedly connected to the output ends of the dual-axis motor on both the front and rear sides. Gears are fixedly connected to the surfaces of the two rotating shafts away from the dual-axis motor, and toothed plates are meshed to the bottom of the two gears.

[0009] As a preferred embodiment of the transfer device for PE pipe manufacturing according to this utility model, one end of the toothed plate on the left extends to the outer left side of the rectangular plate and is fixedly connected to the rear end of the first adjusting plate, and the bottom of the toothed plate on the left is slidably connected to the rear end of the left side of the inner wall of the rectangular plate. One end of the toothed plate on the right extends to the outer right side of the rectangular plate and is fixedly connected to the front end of the second adjusting plate, and the bottom of the toothed plate on the right is slidably connected to the front end of the right side of the inner wall of the rectangular plate.

[0010] As a preferred embodiment of the transfer equipment for PE pipe manufacturing according to this utility model, a horizontally arranged air pipe is fixedly connected to the center of the front side of the top of the rectangular plate, and elastic telescopic tubes are fixedly connected to the left and right sides of the top of the air pipe. The ends of the two elastic telescopic tubes away from the air pipe are fixedly connected to the sides of the two airbags.

[0011] As a preferred embodiment of the transfer equipment for PE pipe manufacturing according to this utility model, the air pipe is arranged parallel to the PE pipe body, an air pump is provided at the front of the air pipe, the bottom of the air pump is fixedly connected to the top of the rectangular plate, and the air pump's suction end is fixedly connected to one side of the air pipe.

[0012] As a preferred embodiment of the transfer equipment for PE pipe manufacturing according to this utility model, a horizontally arranged bidirectional threaded rod is rotatably connected to the top rear side of the rectangular plate. Threaded sleeves are threaded to both the left and right sides of the surface of the bidirectional threaded rod. A connecting rod is fixedly connected to the front side of each of the two threaded sleeves. A second support block is fixedly connected to the end of each connecting rod away from the threaded sleeve. A limit rod is fixedly connected to the top rear side of the rectangular plate.

[0013] As a preferred embodiment of the transfer device for PE pipe manufacturing according to this utility model, the limiting rod is located above the bidirectional threaded rod, both the bidirectional threaded rod and the limiting rod are arranged parallel to the PE pipe body, the two threaded sleeves are slidably connected to the limiting rod, the top of the two threaded sleeves are fixedly connected to an L-shaped plate, and the front top of the two L-shaped plates are fixedly connected to an electric push rod.

[0014] As a preferred embodiment of the transfer device for PE pipe manufacturing according to this utility model, the telescopic ends of the two electric push rods extend to the lower interior of the L-shaped plate and are fixedly connected to an arc-shaped cover. A worm gear is fixedly sleeved at the center of the surface of the bidirectional threaded rod, and a worm is meshed with the top of the worm gear. A power motor is fixedly connected at the center of the rear side of the rectangular plate, and the output shaft of the power motor is fixedly connected to one end of the worm.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. When this utility model is started by a dual-axis motor, it drives two gears to rotate via a rotating shaft. Since the gears mesh with the gear plates, the rotation of the gears pushes the gear plates to move in a straight line. Specifically: the left gear plate moves to the left, causing the first adjusting plate to expand outwards; the right gear plate moves to the right, causing the second adjusting plate to expand outwards. By controlling the dual-axis motor, the extension distance of the first and second adjusting plates can be precisely adjusted to meet the handling requirements of PE pipes of different lengths.

[0017] 2. This utility model utilizes a power motor, which drives a worm gear to rotate via its output shaft. The worm gear meshes with a worm wheel fixed at the center of the surface of the bidirectional threaded rod, causing the bidirectional threaded rod to rotate accordingly. As the bidirectional threaded rod rotates, the two threaded sleeves slide along the limiting rod, and due to their opposite thread directions, they move towards or away from each other. With the movement of the threaded sleeves, the position of the second support block also adjusts accordingly. Two L-shaped plates are fixed to the tops of the two threaded sleeves, providing a mounting base for the electric push rod. By controlling the extension and retraction of the electric push rod, the height of the arc-shaped cover can be precisely adjusted to accurately cover and press the PE pipe body. When clamping the PE pipe is required, the air pump is activated to supply air to the air tube. The gas enters the air bladder through the elastic telescopic tube, causing the air bladder to inflate and apply pressure to the PE pipe. When releasing the PE pipe is required, the air pump can be switched to the suction mode to expel the gas from the air bladder, causing the air bladder to contract and releasing the pressure on the PE pipe. This design not only allows for adjustment of the overall size of the equipment to accommodate PE pipes of different lengths (by adjusting the first and second adjustment plates), but also allows for precise adjustment of the position of the second support block to accommodate PE pipes of different diameters. Attached Figure Description

[0018] Figure 1 This is a three-dimensional drawing of the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the rectangular plate of this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the No. 2 support block of this utility model.

[0022] In the diagram: 1. Rectangular plate; 2. First adjusting plate; 3. Second adjusting plate; 4. Dual-axis motor; 5. Rotating shaft; 6. Gear; 7. Tooth plate; 8. Moving wheel; 9. Push rod; 10. Support block No. 1; 11. PE pipe body; 12. Support block No. 2; 13. Arc-shaped cover; 14. Airbag; 15. L-shaped plate; 16. Electric push rod; 17. Air pipe; 18. Air pump; 19. Elastic telescopic tube; 20. Two-way threaded rod; 21. Threaded sleeve; 22. Limiting rod; 23. Connecting rod; 24. Worm gear; 25. Worm; 26. Power motor. Detailed Implementation

[0023] Please see Figures 1-4 A transfer device for PE pipe manufacturing includes a rectangular plate 1 and a first adjusting plate 2 and a second adjusting plate 3 slidably disposed on its left and right sides. The rectangular plate 1, the second adjusting plate 3, and the bottom front and rear sides of the second adjusting plate 3 are all rotatably connected to movable wheels 8. A push rod 9 is fixedly connected to the side of the second adjusting plate 3 away from the top of the rectangular plate 1.

[0024] The rectangular plate 1 serves as the basic structure, providing support for the overall frame. The first adjusting plate 2 and the second adjusting plate 3 are slidably mounted on the left and right sides of the rectangular plate 1, allowing the length of the entire device to be adjusted to accommodate PE pipes of different lengths. The moving wheels 8 are located on the front and rear sides of the bottom of the rectangular plate 1, the first adjusting plate 2, and the second adjusting plate 3, ensuring that the equipment can be moved easily. The push rod 9 is fixed to the top of the second adjusting plate 3 on the side away from the rectangular plate 1, making it convenient for the operator to push or guide the equipment to move.

[0025] Furthermore, a first support block 10 is fixedly connected to the top center of the rectangular plate 1. The top of the first support block 10 supports the PE pipe body 11. The PE pipe body 11 is arranged parallel to the rectangular plate 1, the first adjusting plate 2, and the second adjusting plate 3. Second support blocks 12 are provided on both the left and right sides of the top of the rectangular plate 1. The bottom of the inner wall of the two second support blocks 12 is in contact with the left and right sides of the bottom surface of the PE pipe body 11. The two second support blocks 12 are slidably connected to the top of the rectangular plate 1. An arc-shaped cover 13 is provided above the top of the two second support blocks 12. The two arc-shaped covers 13 are symmetrically arranged on the top of the rectangular plate 1. An airbag 14 is fixedly connected to the top of the inner wall of the two arc-shaped covers 13. The bottom of the two airbags 14 is slidably connected to the left and right sides of the top surface of the PE pipe body 11.

[0026] The first support block 10 is fixed at the top center of the rectangular plate 1 to support the PE pipe body 11 and ensure the stability of the PE pipe during transportation. Two second support blocks 12 are set on the left and right sides of the top of the rectangular plate 1 and are tightly fitted to the left and right sides of the bottom surface of the PE pipe body 11 to provide additional support and stability. The second support blocks 12 are slidably connected to the top of the rectangular plate 1 for easy adjustment. Each arc-shaped cover 13 is located above the second support block 12 and is arranged symmetrically on the left and right. They are equipped with air bladders 14 inside, which can cover and gently press the PE pipe body 11 from the top to ensure that the PE pipe does not shift during transportation.

[0027] Furthermore, a dual-axis motor 4 is fixedly connected to the center of the bottom of the inner wall of the rectangular plate 1. Rotating shafts 5 are fixedly connected to the output ends of the dual-axis motor 4 on both the front and rear sides. Gears 6 are fixedly connected to the surface of the two rotating shafts 5 away from the dual-axis motor 4. Gear plates 7 are meshed at the bottom of the two gears 6.

[0028] The dual-axis motor 4 is fixed at the center of the bottom of the inner wall of the rectangular plate 1 and is the power source for the entire adjustment mechanism. The output ends of the dual-axis motor 4 on both the front and rear sides are connected to rotating shafts 5. When the dual-axis motor 4 is running, it will drive the two rotating shafts 5 to rotate. A gear 6 is fixed on the surface of the end of each rotating shaft 5 away from the dual-axis motor 4. The gear 6 meshes with the gear plate 7 and plays the role of transmitting power.

[0029] Furthermore, one end of the left toothed plate 7 extends to the outer left side of the rectangular plate 1 and is fixedly connected to the rear end of the first adjusting plate 2. The bottom of the left toothed plate 7 is slidably connected to the rear end of the left side of the inner wall of the rectangular plate 1. One end of the right toothed plate 7 extends to the outer right side of the rectangular plate 1 and is fixedly connected to the front end of the second adjusting plate 3. The bottom of the right toothed plate 7 is slidably connected to the front end of the right side of the inner wall of the rectangular plate 1.

[0030] When the dual-axis motor 4 starts, it drives two gears 6 to rotate via the rotating shaft 5. Since gears 6 mesh with gear plates 7, the rotation of gears 6 pushes gear plates 7 to move in a straight line. Specifically, the left gear plate 7 moves to the left, causing the first adjusting plate 2 to expand outwards, and the right gear plate 7 moves to the right, causing the second adjusting plate 3 to expand outwards. By controlling the dual-axis motor 4, the extension distance of the first adjusting plate 2 and the second adjusting plate 3 can be precisely adjusted to meet the handling requirements of PE pipes of different lengths.

[0031] Furthermore, a horizontally arranged air tube 17 is fixedly connected to the center of the front side of the top of the rectangular plate 1. Elastic telescopic tubes 19 are fixedly connected to the left and right sides of the top of the air tube 17. The ends of the two elastic telescopic tubes 19 away from the air tube 17 are fixedly connected to one side of the two airbags 14.

[0032] The air tube 17 is fixed at the center of the front top of the rectangular plate 1, serving as the main channel for gas transmission. An elastic telescopic tube 19 extends from the air tube 17 to the air bladder 14 inside the arc-shaped cover 13, allowing the air bladder 14 to expand and contract with the position of the arc-shaped cover 13 during adjustment, while ensuring the continuity of the air path. The air bladder 14 is located at the top of the inner wall of the two arc-shaped covers 13, and provides flexible support to the PE tube body 11 through inflation, ensuring its stability and safety during transportation.

[0033] Furthermore, the air pipe 17 is arranged parallel to the PE pipe body 11, and an air pump 18 is provided on the front side of the air pipe 17. The bottom of the air pump 18 is fixedly connected to the top of the rectangular plate 1, and the air pump 18's suction end is fixedly connected to one side of the air pipe 17.

[0034] When it is necessary to clamp the PE tube, the air pump 18 is activated. The air pump 18 delivers air through the air tube 17 to the elastic telescopic tube 19, and then into the air bladder 14. As the air bladder 14 gradually inflates, it gently presses against the PE tube body 11 from the top, providing the necessary clamping force. When it is necessary to release the PE tube, the air pump 18 can switch to the suction mode to expel the gas from the air bladder 14. The air bladder 14 contracts, relieving the pressure on the PE tube. Due to the use of the elastic telescopic tube 19, even if the position of the second support block 12 changes, the air bladder 14 can still maintain good sealing and flexibility, without affecting its normal operation.

[0035] Furthermore, a horizontally arranged bidirectional threaded rod 20 is rotatably connected to the top rear side of the rectangular plate 1. Threaded sleeves 21 are threadedly connected to both the left and right sides of the surface of the bidirectional threaded rod 20. A connecting rod 23 is fixedly connected to the front side of each of the two threaded sleeves 21. A second support block 12 is fixedly connected to the end of the connecting rod 23 away from the threaded sleeve 21. A limit rod 22 is fixedly connected to the top rear side of the rectangular plate 1.

[0036] A bidirectional threaded rod 20 is horizontally mounted and rotatably connected to the top rear side of a rectangular plate 1. Its surface has threads in opposite directions on its left and right sides. Two threaded sleeves 21 are respectively connected to the threads on the left and right sides of the bidirectional threaded rod 20, allowing them to move towards or away from each other when the bidirectional threaded rod 20 rotates. A connecting rod 23 is fixed to the front of each threaded sleeve 21, and the other end of the connecting rod 23 is fixedly connected to a second support block 12, allowing the second support block 12 to move with the threaded sleeve 21.

[0037] Furthermore, the limiting rod 22 is located above the bidirectional threaded rod 20. Both the bidirectional threaded rod 20 and the limiting rod 22 are set parallel to the PE pipe body 11. The two threaded sleeves 21 are slidably connected to the limiting rod 22. The top of each of the two threaded sleeves 21 is fixedly connected to an L-shaped plate 15. The top of the front end of each of the two L-shaped plates 15 is fixedly connected to an electric push rod 16.

[0038] The limiting rod 22 is fixed to the top rear side of the rectangular plate 1, above the bidirectional threaded rod 20, ensuring that the threaded sleeve 21 slides only in a straight line without rotating. Each of the two threaded sleeves 21 is fixedly connected to an L-shaped plate 15, providing an installation position for the electric push rod 16. An electric push rod 16 is fixed to the top front end of each L-shaped plate 15, with its telescopic end extending to the lower interior of the L-shaped plate 15 and fixedly connected to the arc-shaped cover 13. The telescopic movement of the arc-shaped cover 13 is controlled by the telescopic movement of the electric push rod 16.

[0039] Furthermore, the telescopic ends of the two electric push rods 16 extend to the lower part of the L-shaped plate 15 and are fixedly connected to the arc-shaped cover 13. A worm wheel 24 is fixedly sleeved at the center of the surface of the bidirectional threaded rod 20. A worm 25 is meshed with the top of the worm wheel 24. A power motor 26 is fixedly connected at the center of the rear side of the rectangular plate 1. The output shaft of the power motor 26 is fixedly connected to one end of the worm 25.

[0040] A worm gear 24 is fixedly sleeved at the center of the surface of the bidirectional threaded rod 20. The top of the worm gear 24 meshes with the worm 25. The worm 25 is driven by a power motor 26, which is fixed at the center of the rear side of the rectangular plate 1. The output shaft is fixedly connected to one end of the worm 25, serving as the power source for the rotation of the entire bidirectional threaded rod 20.

[0041] When the position of the second support block 12 needs to be adjusted to accommodate PE pipes of different diameters, the power motor 26 is started. The power motor 26 drives the worm gear 25 to rotate through its output shaft. The worm gear 25 meshes with the worm wheel 24 fixed at the center of the surface of the bidirectional threaded rod 20, causing the bidirectional threaded rod 20 to rotate accordingly. As the bidirectional threaded rod 20 rotates, the two threaded sleeves 21 slide along the limiting rod 22, and because the thread directions are opposite, they will move towards or away from each other. As the threaded sleeves 21 move, the position of the second support block 12 will also be adjusted accordingly. The two L-shaped plates 15 are fixed to the top of the two threaded sleeves 21 respectively, providing a mounting base for the electric push rod 16. By controlling the extension and retraction of the electric push rod 16, the height of the arc-shaped cover 13 can be precisely adjusted so that it can accurately cover and press the PE pipe body 11. When the PE pipe needs to be clamped, the air pump 18 is activated to supply air to the air pipe 17. The gas enters the air bladder 14 through the elastic telescopic tube 19, causing the air bladder 14 to inflate and apply pressure to the PE pipe. When the PE pipe needs to be released, the air pump 18 can be switched to the suction mode to expel the gas from the air bladder 14, causing the air bladder 14 to contract and release the pressure on the PE pipe. This design not only allows for adjustment of the overall size of the equipment to accommodate PE pipes of different lengths (by adjusting the first adjusting plate 2 and the second adjusting plate 3), but also allows for precise adjustment of the position of the second support block 12 to accommodate PE pipes of different diameters.

[0042] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A transfer device for PE pipe manufacturing, comprising a rectangular plate (1) and a first adjusting plate (2) and a second adjusting plate (3) slidably disposed on its left and right sides, wherein the rectangular plate (1), the second adjusting plate (3), and the second adjusting plate (3) are rotatably connected to the front and rear sides of their bottoms, and a push rod (9) is fixedly connected to the side of the second adjusting plate (3) away from the top of the rectangular plate (1), characterized in that: A first support block (10) is fixedly connected to the top center of the rectangular plate (1). The first support block (10) supports the PE pipe body (11) on its top. The PE pipe body (11) is arranged parallel to the rectangular plate (1), the first adjusting plate (2), and the second adjusting plate (3). A second support block (12) is provided on both the left and right sides of the top of the rectangular plate (1). The bottom of the inner wall of the two second support blocks (12) is in contact with the left and right sides of the bottom surface of the PE pipe body (11). The two second support blocks (12) are slidably connected to the top of the rectangular plate (1). An arc-shaped cover (13) is provided above the top of the two second support blocks (12). The two arc-shaped covers (13) are symmetrically arranged on the top of the rectangular plate (1). An airbag (14) is fixedly connected to the top of the inner wall of the two arc-shaped covers (13). The bottom of the two airbags (14) is slidably connected to the left and right sides of the top surface of the PE pipe body (11).

2. The transfer device for PE pipe manufacturing as described in claim 1, characterized in that: A dual-axis motor (4) is fixedly connected to the center of the bottom of the inner wall of the rectangular plate (1). Rotating shafts (5) are fixedly connected to the output ends of the dual-axis motor (4) on both the front and rear sides. Gears (6) are fixedly connected to the surfaces of the two rotating shafts (5) away from the dual-axis motor (4). Gear plates (7) are meshed at the bottom of the two gears (6).

3. The transfer device for PE pipe manufacturing as described in claim 2, characterized in that: One end of the toothed plate (7) on the left extends to the outer left side of the rectangular plate (1) and is fixedly connected to the rear end of the first adjusting plate (2). The bottom of the toothed plate (7) on the left is slidably connected to the rear end of the left side of the inner wall of the rectangular plate (1). One end of the toothed plate (7) on the right extends to the outer right side of the rectangular plate (1) and is fixedly connected to the front end of the second adjusting plate (3). The bottom of the toothed plate (7) on the right is slidably connected to the front end of the right side of the inner wall of the rectangular plate (1).

4. The transfer device for PE pipe manufacturing as described in claim 1, characterized in that: A horizontally arranged air tube (17) is fixedly connected to the center of the front side of the top of the rectangular plate (1). Elastic telescopic tubes (19) are fixedly connected to the left and right sides of the top of the air tube (17). The ends of the two elastic telescopic tubes (19) away from the air tube (17) are fixedly connected to one side of the two airbags (14).

5. The transfer device for PE pipe manufacturing as described in claim 4, characterized in that: The air pipe (17) is arranged parallel to the PE pipe body (11). An air pump (18) is provided on the front side of the air pipe (17). The bottom of the air pump (18) is fixedly connected to the top of the rectangular plate (1). The air pump (18) is fixedly connected to one side of the air pipe (17).

6. The transfer device for PE pipe manufacturing as described in claim 5, characterized in that: The rectangular plate (1) is rotatably connected to a horizontally arranged bidirectional threaded rod (20) on the top rear side. The bidirectional threaded rod (20) has threaded sleeves (21) on both the left and right sides of its surface. The two threaded sleeves (21) are fixedly connected to the front side of each of the two threaded sleeves (21). The end of the connecting rod (23) away from the threaded sleeve (21) is fixedly connected to a second support block (12). The rectangular plate (1) is fixedly connected to a limit rod (22) on the top rear side.

7. The transfer device for PE pipe manufacturing as described in claim 6, characterized in that: The limiting rod (22) is located above the bidirectional threaded rod (20). Both the bidirectional threaded rod (20) and the limiting rod (22) are arranged parallel to the PE pipe body (11). The two threaded sleeves (21) are slidably connected to the limiting rod (22). The top of each of the two threaded sleeves (21) is fixedly connected to an L-shaped plate (15). The top of the front end of each of the two L-shaped plates (15) is fixedly connected to an electric push rod (16).

8. The transfer device for PE pipe manufacturing as described in claim 7, characterized in that: The telescopic ends of the two electric push rods (16) extend to the lower interior of the L-shaped plate (15) and are fixedly connected to an arc-shaped cover (13). A worm wheel (24) is fixedly sleeved at the center of the surface of the bidirectional threaded rod (20). A worm (25) is meshed with the top of the worm wheel (24). A power motor (26) is fixedly connected at the center of the rear side of the rectangular plate (1). The output shaft of the power motor (26) is fixedly connected to one end of the worm (25).

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