Coil tool for plastic pipe

By designing a coiling fixture for plastic pipes, and utilizing a fixed bracket and adjusting rod assembly, manual coiling from the outside in is achieved, solving the problems of pipe non-roundness and excessive outer diameter in traditional coiling machines, and improving the convenience of loading, unloading and construction.

CN224350158UActive Publication Date: 2026-06-12ANHUI YONGGAO PLASTIC IND DEV CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ANHUI YONGGAO PLASTIC IND DEV CO LTD
Filing Date
2025-07-10
Publication Date
2026-06-12

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  • Figure CN224350158U_ABST
    Figure CN224350158U_ABST
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Abstract

This utility model discloses a coiling fixture for plastic pipes, belonging to the field of plastic pipe processing equipment. It includes a fixed support, with a base rotatably connected to the top center of the fixed support via a connector. Multiple horizontal support rods extend radially from the outer periphery of the base. Each horizontal support rod has a detachable adjusting rod assembly at its end furthest from the base. The outer diameter of the coil is adjusted by changing the position of the adjusting rod assembly. One end of the adjusting rod assembly has a fixing slot for clamping and fixing the beginning end of the plastic pipe. This device requires no electricity; manual control of the coiling process effectively improves the tightness of the coil. By manually coiling from the outside in, it solves the problems of inner ring indentation and a large final outer diameter of the coil encountered with automatic coiling. The reduced outer diameter of the coil facilitates loading, unloading, and construction.
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Description

Technical Field

[0001] This utility model relates to the technical field of plastic pipe processing equipment, and specifically to a coiling tool for plastic pipes. Background Technology

[0002] With the rapid development of the power and information industries, environmental protection issues have gradually attracted people's attention. Underground cabling has been widely promoted in urban power grid construction and renovation, leading to the increasingly widespread use of plastic pipes. When producing plastic pipes of a certain length, companies need to coil the finished pipes into a circular shape for easy storage and transport, while also saving inventory space.

[0003] Traditional coiling machines coil the tubing from the inside out, resulting in a large degree of non-roundness in the tubing. In addition, different specifications and models of tubing require adjustment of the inner core size of the coil, which can easily lead to problems such as creases in the inner tubing. Furthermore, increasing the inner core diameter results in a larger final outer diameter of the tubing after packaging, affecting loading, unloading, and construction. Utility Model Content

[0004] This utility model provides a coiling fixture for plastic pipes, which can solve the problems of large pipe non-roundness, large outer diameter of the final coil, and easy creases in the inner ring of the pipe in the traditional coiling machine that coils from the inside out.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A coiling fixture for plastic pipes includes a fixed support. The top center of the fixed support is rotatably connected to a base via a connector. Multiple horizontal support rods extend radially from the outer periphery of the base. Each horizontal support rod has an adjustable rod assembly detachably mounted at its end away from the base. The outer diameter of the coil can be adjusted by adjusting the position of the adjustable rod assembly. One end of the adjustable rod assembly is provided with a fixing slot for clamping and fixing the head end of the plastic pipe.

[0007] As a further embodiment of this utility model: the adjusting rod assembly includes:

[0008] A horizontal sleeve is slidably fitted onto the corresponding horizontal support rod. A plurality of positioning holes are evenly provided on one side of the horizontal sleeve, and positioning screws are screwed into the positioning holes.

[0009] A vertical rod, the bottom end of which is fixedly installed on the end of the horizontal sleeve away from the chassis, and the top end of which is evenly provided with a plurality of mounting holes from top to bottom;

[0010] A horizontal iron rod, which is detachably inserted into the corresponding mounting hole.

[0011] As a further embodiment of this utility model: the adjusting rod assembly further includes a reinforcing member, which includes a pair of vertical plates fixedly disposed at the end of the horizontal sleeve and a reinforcing horizontal plate fixedly disposed on one side of the top of the pair of vertical plates, the reinforcing horizontal plate being in close contact with the bottom side of the vertical rod.

[0012] As a further embodiment of this utility model: the fixing position includes:

[0013] A fixing plate is fixedly installed on the side of the vertical rod;

[0014] The clamping claw has its top end rotatably connected to the fixing plate via a pivot pin. A placement hole for clamping and fixing the head end of the plastic pipe is formed between the clamping claw, the vertical rod, the fixing plate, and the horizontal sleeve.

[0015] As a further embodiment of this utility model: the fixing position also includes a right-angle plate, the horizontal surface of which is fixedly installed on the end of the corresponding horizontal sleeve, and the vertical surface of which faces the placement hole.

[0016] As a further embodiment of this utility model: a limiting pin is provided on the side of the claw facing the vertical rod to fix the first end of the plastic tube in the placement hole.

[0017] As a further embodiment of this utility model: six horizontal support rods extend radially from the outer periphery of the chassis, and the included angle between two adjacent horizontal support rods is 60°.

[0018] As a further embodiment of this utility model: the surface of the horizontal support rod is provided with a scale with an accuracy of 1mm.

[0019] As a further embodiment of this utility model: the top of the fixed bracket is provided with a cross support frame.

[0020] As a further embodiment of this utility model: the connecting member includes:

[0021] A fixing sleeve is fixedly installed at the center of the cross support frame;

[0022] The movable sleeve has its bottom end rotatably mounted inside the fixed sleeve via a bearing, and its top end is fixedly connected to the chassis.

[0023] The beneficial effects of this utility model are:

[0024] This invention utilizes multiple adjusting rod assemblies in conjunction with multiple horizontal support rods. The adjusting rod assemblies stack and limit the plastic tubing from top to bottom on six horizontal support rods to form a coil. By synchronously adjusting the position of each adjusting rod assembly on the horizontal support rods, the outer diameter of the coil can be adjusted. This device requires no electricity; manual control of the coiling process effectively improves the tightness of the coil. By manually coiling from the outside in, it solves the problems of inner ring indentation and a large final outer diameter of the coil encountered during automatic coiling. The reduced outer diameter of the coil facilitates loading, unloading, and construction. Attached Figure Description

[0025] The present invention will be further described below with reference to the accompanying drawings.

[0026] Figure 1 This is a schematic diagram of a coil tooling structure for plastic pipes according to this utility model;

[0027] Figure 2 yes Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0028] Figure 3 yes Figure 1 Enlarged schematic diagram of the structure at point B;

[0029] Figure 4 This is a schematic diagram of the structure of this utility model after the coil is placed.

[0030] In the diagram: 1. Fixed bracket; 2. Connector; 21. Fixed sleeve; 22. Movable sleeve; 3. Base; 4. Horizontal support rod; 5. Adjusting rod assembly; 51. Horizontal sleeve; 52. Positioning hole; 53. Vertical rod; 54. Mounting hole; 55. Horizontal iron rod; 56. Vertical plate; 57. Reinforcing horizontal plate; 6. Coil; 61. Plastic pipe end; 7. Fixed clamp; 71. Fixed plate; 72. Claw; 73. Shaft pin; 74. Placement hole; 75. Right angle plate; 76. Limit pin. Detailed Implementation

[0031] The technical solutions in the embodiments of this utility model are described clearly and completely below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0032] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation. Therefore, they should not be construed as limitations on this utility model.

[0033] Furthermore, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] Please see Figure 1-4 As shown, this utility model embodiment provides a coiling fixture for plastic pipes, including a fixed bracket 1, which is stably placed on the ground with four legs to support the entire fixture.

[0035] Please see Figure 1 As shown, the center of the cross support frame at the top of the fixed bracket 1 is rotatably connected to the chassis 3 via a connector 2. The connector 2 includes a fixed sleeve 21 and a movable sleeve 22. The fixed sleeve 21 is fixedly welded to the center of the cross support frame. The bottom end of the movable sleeve 22 is rotatably connected to the fixed sleeve 21 via a bearing, and the top end of the movable sleeve 22 is fixedly connected to the chassis 3. With the bearing connection, the movable sleeve 22 can rotate within the fixed sleeve 21, and the chassis 3 can rotate synchronously with the movable sleeve 22. Six horizontal support rods 4 extend radially from the outer periphery of the chassis 3, with an included angle of 60° between any two adjacent horizontal support rods 4. Each horizontal support rod 4 has a detachable adjusting rod assembly 5 at the end furthest from the chassis 3.

[0036] Please see Figure 4 As shown, the adjusting rod assembly 5 stacks and limits the plastic tubing from top to bottom on six horizontal support rods 4 to form a coil 6. By synchronously adjusting the position of each adjusting rod assembly 5 on the horizontal support rods 4, the outer diameter of the coil 6 can be adjusted to ensure that the final outer diameter of the tubing after packaging is not too large. One end of one adjusting rod assembly 5 is provided with a fixing slot 7, which is used to clamp and fix the head end 61 of the plastic tubing, facilitating the coiling of the coil 6.

[0037] Please see Figure 1As shown, in this embodiment, the adjusting rod assembly 5 includes a horizontal sleeve 51, a vertical rod 53, and a horizontal iron rod 55. The horizontal sleeve 51 is slidably fitted onto the corresponding horizontal support rod 4. Several positioning holes 52 are evenly distributed on one side of the horizontal sleeve 51, and positioning screws are screwed into the positioning holes 52. After the horizontal sleeve 51 slides to a suitable position, the screws are tightened to fix the horizontal sleeve 51 to the corresponding horizontal support rod 4. A graduated scale with an accuracy of 1mm can be provided on the surface of the horizontal support rod 4 to facilitate precise movement and accurate positioning of the horizontal sleeve 51. The bottom end of the vertical rod 53 is fixedly installed to the end of the horizontal sleeve 51 away from the chassis 3 by bolts. Several mounting holes 54 are evenly distributed from top to bottom at the top of the vertical rod 53, and the horizontal iron rod 55 is horizontally and detachably inserted into the corresponding mounting holes 54. Please refer to... Figure 4 As shown, under the joint restraint of the six vertical rods 53, the roundness of the coil 6 is ensured to be relatively large. The horizontal iron rod 55 presses on the uppermost layer of the coil 6 to ensure that the coil 6 is stable on the horizontal sleeve 51 and does not shift.

[0038] Please see Figure 3 As shown, in this embodiment, the adjusting rod assembly 5 also includes a reinforcing member, which includes a pair of vertical plates 56 welded and fixed to the end of the horizontal sleeve 51, and a reinforcing horizontal plate 57 welded and fixed to one side of the top of the pair of vertical plates 56. The reinforcing horizontal plate 57 is close to the bottom side of the vertical rod 53 to reinforce and support the bottom of the vertical plate 56.

[0039] Please see Figure 2 As shown, in this embodiment, the fixing position 7 includes a fixing plate 71, a claw 72, a right-angle plate 75, and a limiting pin 76. The fixing plate 71 is fixedly welded to the bottom side of the vertical rod 53. The top of the claw 72 is rotatably connected to the fixing plate 71 via a pin 73. A placement hole 74 for clamping and fixing the head end 61 of the plastic pipe is formed between the claw 72, the vertical rod 53, the fixing plate 71, and the horizontal sleeve 51. There is a large frictional force between the claw 72 and the fixing plate 71, giving the claw 72 a strong clamping force, ensuring that the claw 72 can clamp and fix the head end 61 of the plastic pipe in the placement hole 74. The horizontal surface of the right-angle plate 75 is fixedly installed on the corresponding end of the horizontal sleeve 51, and the vertical surface of the right-angle plate 75 faces the placement hole 74. Please refer to [link to relevant documentation]. Figure 4 As shown, during use, the end face of the plastic pipe 61 is tightly pressed against the vertical surface of the right-angle plate 75, and the right-angle plate 75, together with the claw 72, firmly fixes the end face of the plastic pipe 61. Furthermore, a limiting pin 76 is provided on the side of the claw 72 facing the vertical rod 53, and the limiting pin 76 is inserted into the end face of the plastic pipe 61 to limit and fix it in the placement hole 74.

[0040] The working principle of this utility model:

[0041] First, determine the inner core size of the coil 6 according to the specifications and model of the plastic tubing required. Then, adjust the position of the horizontal sleeve 51 on the corresponding horizontal support rod 4 and the position of the horizontal iron rod 55 on the corresponding vertical rod 53 one by one. After the adjustment is completed, clamp and fix the first end 61 of the plastic tubing in the placement hole 74 by using the fixing clip 7. Then, the operator pulls the plastic tubing along the tangential direction of the tooling, and the tubing naturally adheres to the six vertical rods 53 to form a circular coil 6. The horizontal iron rod 55 limits the height of the coil 6.

[0042] The preferred embodiments of this utility model have been described in detail above and should not be considered as limiting the scope of this utility model. All equivalent changes and improvements made within the scope of the claims of this utility model should still fall within the patent coverage of this utility model.

Claims

1. A coiling fixture for plastic pipes, characterized in that: Includes a fixed bracket (1), the fixed bracket (1) is rotatably connected to a chassis (3) at the top center via a connector (2), the chassis (3) extends radially outward from the outer periphery of multiple horizontal support rods (4), each horizontal support rod (4) is detachably provided with an adjusting rod assembly (5) at the end away from the chassis (3), the outer diameter of the coil (6) is adjusted by adjusting the position of the adjusting rod assembly (5), one of the adjusting rod assemblies (5) is provided with a fixing slot (7) at the end, the fixing slot (7) is used to clamp and fix the head end (61) of the plastic pipe.

2. The coiling fixture for plastic pipes according to claim 1, characterized in that, The adjusting rod assembly (5) includes: A horizontal sleeve (51) is slidably sleeved on the corresponding horizontal support rod (4). A plurality of positioning holes (52) are evenly opened on one side of the horizontal sleeve (51), and positioning screws are screwed into the positioning holes (52). A vertical rod (53) is fixedly installed at the bottom end of the horizontal sleeve (51) away from the chassis (3), and a number of mounting holes (54) are evenly opened at the top end of the vertical rod (53) from top to bottom; A horizontal iron rod (55) is detachably inserted into the corresponding mounting hole (54).

3. The coiling fixture for plastic pipes according to claim 2, characterized in that: The adjusting rod assembly (5) also includes a reinforcing member, which includes a pair of vertical plates (56) fixedly disposed at the end of the horizontal sleeve (51) and a reinforcing horizontal plate (57) fixedly disposed on one side of the top of the pair of vertical plates (56), the reinforcing horizontal plate (57) being close to the bottom side of the vertical rod (53).

4. The coiling fixture for plastic pipes according to claim 2, characterized in that, The fixed card slot (7) includes: A fixing plate (71) is fixedly installed on the side of the vertical rod (53); The top of the claw (72) is rotatably connected to the fixing plate (71) via a shaft pin (73). A placement hole (74) for clamping and fixing the head end (61) of the plastic pipe is formed between the claw (72), the vertical rod (53), the fixing plate (71) and the horizontal sleeve (51).

5. The coiling fixture for plastic pipes according to claim 4, characterized in that: The fixed mounting position (7) also includes a right-angle plate (75), the horizontal surface of which is fixedly installed at the end of the corresponding horizontal sleeve (51), and the vertical surface of which faces the placement hole (74).

6. The coiling fixture for plastic pipes according to claim 4, characterized in that: The claw (72) is provided with a limiting pin (76) on the side facing the vertical rod (53) to fix the first end (61) of the plastic tube in the placement hole (74).

7. The coiling fixture for plastic pipes according to claim 1, characterized in that: The chassis (3) has six horizontal support rods (4) extending radially outward from its outer periphery, with an included angle of 60° between two adjacent horizontal support rods (4).

8. The coiling fixture for plastic pipes according to claim 7, characterized in that: The horizontal support rod (4) has a graduated scale on its surface with an accuracy of 1 mm.

9. The coiling fixture for plastic pipes according to claim 1, characterized in that: The fixed bracket (1) is provided with a cross support frame at the top.

10. A coiling fixture for plastic pipes according to claim 9, characterized in that, The connector (2) includes: A fixing sleeve (21) is fixedly installed at the center of the cross support frame; The movable sleeve (22) is rotatably mounted inside the fixed sleeve (21) via a bearing at its bottom end, and the top end of the movable sleeve (22) is fixedly connected to the chassis (3).