Variable-diameter flaring machine for PE pipe production

By designing a clamping and diameter-changing mechanism for a variable-diameter flaring machine, the problem of cumbersome replacement of the flaring head in existing flaring machines is solved, enabling rapid adjustment of the flaring size and simplified operation.

CN223998981UActive Publication Date: 2026-03-17XUZHOU XINQIHANG PLASTIC IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2026-03-17

AI Technical Summary

Technical Problem

The existing flaring machine has a fixed flaring head size design, which leads to a cumbersome replacement process when dealing with pipes of different diameters.

Method used

A variable diameter flaring machine for PE pipe production was designed. The PE pipe is fixed by a clamping mechanism, and the variable diameter mechanism and flaring mechanism work together to achieve rapid connection and adjustment of the flaring cone and flaring block, so as to achieve flexible adjustment of the flaring size.

Benefits of technology

It enables rapid adjustment of the flare size, simplifies the flare tip replacement process, and improves operational efficiency and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a variable diameter flaring machine for PE pipe production, relates to the technical field of flaring machines, solves the problem that flaring of the existing flaring machine is troublesome to replace, and comprises a mounting table, a clamping mechanism and a flaring mechanism are mounted on the surface of the mounting table, and the flaring mechanism comprises a mounting plate mounted on the surface of the mounting table. A first hydraulic cylinder is mounted on the surface of the mounting plate, the output end of the first hydraulic cylinder penetrates through the mounting plate and is provided with a connecting shaft, a flaring conical head is mounted at the end, away from the output end of the first hydraulic cylinder, of the connecting shaft, and a reducing mechanism is mounted on the surface of the mounting plate. According to the device, the flaring mechanism and the reducing mechanism are matched for use, the maximum diameter of the flaring conical head can be quickly changed, so that the flaring size is adjusted, and meanwhile, the device is relatively simple to mount.
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Description

Technical Field

[0001] This utility model belongs to the field of flaring machine technology, and more specifically, it relates to a variable diameter flaring machine for PE pipe production. Background Technology

[0002] A PE pipe flaring machine is a mechanical device specifically used for flaring the ends of polyethylene plastic pipes. It uses specific processes and techniques to flare the ends of PE pipes to meet specific connection or installation requirements.

[0003] Based on the above, the inventors have discovered the following problem: Currently available flaring machines generally face a significant issue upon deployment: the size of their flaring nozzles is often fixed. This means that operators must replace the flaring nozzles when dealing with pipes of different diameters. However, this process is rather cumbersome and complex.

[0004] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and provided a variable diameter flaring machine for PE pipe production, in order to achieve a more practical purpose. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a variable diameter flaring machine for PE pipe production, so as to solve the problem that it is relatively troublesome to change the flaring end of the current flaring machine.

[0006] The purpose and effectiveness of this utility model, a variable diameter flaring machine for PE pipe production, are achieved through the following specific technical means:

[0007] A variable diameter flaring machine for PE pipe production includes a mounting platform. A clamping mechanism and a flaring mechanism are mounted on the surface of the mounting platform. The flaring mechanism includes a mounting plate mounted on the surface of the mounting platform. A first hydraulic cylinder is mounted on the surface of the mounting plate. A connecting shaft is mounted through the output end of the first hydraulic cylinder and passes through the mounting plate. A flaring cone is mounted on the end of the connecting shaft away from the output end of the first hydraulic cylinder. A variable diameter mechanism is mounted on the surface of the mounting plate.

[0008] Furthermore, the variable diameter mechanism includes a flared block sleeved on the connecting shaft, and a first limiting block mounted on the connecting shaft. The flared block has a first limiting hole in its through hole, and the first limiting block and the first limiting hole match. Both the flared block and the flared cone have a pair of first threaded holes on their surfaces. The first threaded holes on the surface of the flared block are through holes. The flared block is connected to the flared block through the first threaded holes and the first bolt. The mechanism also includes a support rod mounted on the surface of the mounting plate and an opening on the surface of the flared block. The opening matches the support rod, and the surface of the support rod is provided with a mechanism for fixing the flared block.

[0009] Furthermore, the mechanism for fixing the flared block includes a retaining ring sleeved on the surface of the support rod and a second limiting block installed on the surface of the support rod. The retaining ring has a second limiting hole in both its through hole and its opening. The second limiting block and the second limiting hole match each other. The retaining ring has a second threaded hole on its surface. The second threaded hole extends into the through hole of the retaining ring, and a second bolt is installed in the second threaded hole.

[0010] Furthermore, the clamping mechanism includes a first locking block and a mounting frame mounted on the surface of the mounting platform. A second hydraulic cylinder is mounted on the surface of the mounting frame, and the output end of the second hydraulic cylinder passes through the mounting frame to mount the second locking block.

[0011] Furthermore, the bottom of the mounting platform is equipped with four support legs.

[0012] Furthermore, the bottom of the support leg is equipped with casters.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] This utility model utilizes a combination of a flaring mechanism and a diameter-changing mechanism. In use, the PE pipe to be flared is first clamped by a clamping mechanism. When flaring is required, a suitable number of flaring blocks can be moved to fit against the flaring cone. The first limiting block and the first limiting hole limit the flaring blocks, preventing them from rotating, thus aligning the flaring blocks with the first threaded holes in the flaring cone. Then, the first bolt is screwed into the first threaded hole to complete the connection between the flaring cone and the flaring blocks. It should be noted that there are multiple flaring blocks, and the combination of the flaring blocks and the flaring cone remains conical. Then, the first hydraulic cylinder is activated. When the first hydraulic cylinder is activated, it drives the flaring cone and the flaring blocks to move, thereby flaring the PE pipe. Through this design, the maximum diameter of the flaring cone can be quickly changed, thus adjusting the flaring size, and installation is relatively simple. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of a variable diameter flaring machine for PE pipe production according to this utility model.

[0016] Figure 2 This is a partial schematic diagram of a variable diameter flaring machine for PE pipe production according to this utility model.

[0017] Figure 3 This is a schematic diagram of the first bolt assembly in a variable diameter flaring machine for PE pipe production according to this utility model.

[0018] Figure 4 This utility model relates to a variable diameter flaring machine for PE pipe production. Figure 2 Enlarged diagram of point A in the middle.

[0019] Figure 5 This utility model relates to a variable diameter flaring machine for PE pipe production. Figure 3 Enlarged diagram of point B in the middle.

[0020] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0021] 1. Mounting platform;

[0022] 2. Clamping mechanism; 201. First clamping block; 202. Mounting bracket; 203. Second hydraulic cylinder; 204. Second clamping block;

[0023] 3. Flaring mechanism; 301. Mounting plate; 302. First hydraulic cylinder; 303. Connecting shaft; 304. Flaring cone;

[0024] 401. Flared block; 402. First limiting block; 403. First limiting hole; 404. First threaded hole; 405. First bolt; 406. Support rod; 407. Opening;

[0025] 501. Snap ring; 502. Second limiting block; 503. Second limiting hole; 504. Second threaded hole; 505. Second bolt;

[0026] 6. Support legs; 7. Casters. Detailed Implementation

[0027] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0028] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and 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 be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Example

[0030] As attached Figure 1 To be continued Figure 5 As shown:

[0031] This utility model provides a variable diameter flaring machine for PE pipe production, including a mounting platform 1. A clamping mechanism 2 and a flaring mechanism 3 are mounted on the surface of the mounting platform 1. The flaring mechanism 3 includes a mounting plate 301 mounted on the surface of the mounting platform 1. A first hydraulic cylinder 302 is mounted on the surface of the mounting plate 301. A connecting shaft 303 is mounted through the mounting plate 301 at the output end of the first hydraulic cylinder 302. A flaring cone 304 is mounted on the end of the connecting shaft 303 away from the output end of the first hydraulic cylinder 302. A variable diameter mechanism is mounted on the surface of the mounting plate 301.

[0032] The variable diameter mechanism includes a flared block 401 sleeved on the connecting shaft 303, and a first limiting block 402 installed on the connecting shaft 303. The flared block 401 has a first limiting hole 403 in its through hole. The first limiting block 402 and the first limiting hole 403 are matched. The surfaces of the flared block 401 and the flared cone 304 are each provided with a pair of first threaded holes 404. The first threaded holes 404 on the surface of the flared block 401 are through holes. The flared block 401 is connected to the first threaded hole 404 and the first bolt 405. The mechanism also includes a support rod 406 installed on the surface of the mounting plate 301 and an opening 407 on the surface of the flared block 401. The opening 407 is matched with the support rod 406. The surface of the support rod 406 is provided with a mechanism for fixing the flared block.

[0033] By using the flaring mechanism 3 and the reducing mechanism together, the PE pipe to be flared is first clamped by the clamping mechanism 2. When flaring is required, a suitable number of flaring blocks 401 can be moved to fit against the flaring cone 304. The first limiting block 402 and the first limiting hole 403 can limit the flaring blocks 401 to prevent them from rotating, thereby aligning the flaring blocks 401 with the first threaded hole 404 in the flaring cone 304. Then, the first bolt 405 is screwed into the first threaded hole 404. The connection between the flaring cone 304 and the flaring block 401 is completed. It should be noted that there are multiple flaring blocks 401, and the combination of the flaring block 401 and the flaring cone 304 still forms a cone shape. Then, the first hydraulic cylinder 302 is activated. When the first hydraulic cylinder 302 is activated, it will drive the flaring cone 304 and the flaring block 401 to move, thereby flaring the PE pipe. Through the above design, the maximum diameter of the flaring cone 304 can be quickly changed, thereby adjusting the size of the flare, and the installation is relatively simple.

[0034] The mechanism for fixing the flared block includes a retaining ring 501 sleeved on the surface of the support rod 406 and a second limiting block 502 installed on the surface of the support rod 406. The retaining ring 501 has a second limiting hole 503 in both the through hole and the opening 407. The second limiting block 502 and the second limiting hole 503 are matched. The surface of the retaining ring 501 has a second threaded hole 504 extending into the through hole of the retaining ring 501. A second bolt 505 is installed in the second threaded hole 504.

[0035] By using the mechanism for fixing the flared block, the unused flared block 401 can be inserted into the support rod 406 through the opening 407, and then the retaining ring 501 can be slid into the support rod 406. The second bolt 505 is then tightened to fix the retaining ring 501, thereby fixing the flared block 401 to the support rod 406. The second limiting block 502 and the second limiting hole 503 can limit the flared block 401 and the retaining ring 501, thereby preventing the retaining ring 501 and the flared block 401 from rotating.

[0036] The clamping mechanism 2 includes a first clamping block 201 and a mounting frame 202 mounted on the surface of the mounting platform 1. A second hydraulic cylinder 203 is mounted on the surface of the mounting frame 202, and the output end of the second hydraulic cylinder 203 passes through the mounting frame 202 to mount a second clamping block 204.

[0037] By using the clamping mechanism 2, the PE pipe can be placed on the first clamping block 201 during use, and then the second hydraulic cylinder 203 is activated. The activation of the second hydraulic cylinder 203 will drive the second clamping block 204 to move, thereby clamping the PE pipe.

[0038] The mounting platform 1 has four support legs 6 installed at its bottom.

[0039] The bottom of the support leg 6 is equipped with casters 7.

[0040] The use of casters 7 makes it easy to move the device.

[0041] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A variable diameter flaring machine for PE pipe production, comprising a mounting table (1), wherein a clamping mechanism (2) and a flaring mechanism (3) are mounted on the surface of the mounting table (1), characterized in that: The flaring mechanism (3) includes a mounting plate (301) mounted on the surface of the mounting platform (1). A first hydraulic cylinder (302) is mounted on the surface of the mounting plate (301). A connecting shaft (303) is mounted through the output end of the first hydraulic cylinder (302) through the mounting plate (301). A flaring cone (304) is mounted on the end of the connecting shaft (303) away from the output end of the first hydraulic cylinder (302). A diameter changing mechanism is mounted on the surface of the mounting plate (301).

2. The variable diameter flaring machine for PE pipe production as described in claim 1, characterized in that: The reducing mechanism includes a flared block (401) sleeved on a connecting shaft (303), and a first limiting block (402) mounted on the connecting shaft (303). A first limiting hole (403) is provided in the through hole of the flared block (401). The first limiting block (402) and the first limiting hole (403) are matched. A pair of first threaded holes (404) are provided on the surfaces of both the flared block (401) and the flared cone (304). The first threaded hole (404) on the surface of (401) is a through hole. The flared block (401) is connected to the flared block (401) through the first threaded hole (404) and the first bolt (405). It also includes a support rod (406) installed on the surface of the mounting plate (301) and an opening (407) on the surface of the flared block (401). The opening (407) matches the support rod (406). The surface of the support rod (406) is provided with a mechanism for fixing the flared block.

3. The variable diameter flaring machine for PE pipe production as described in claim 2, characterized in that: The mechanism for fixing the flared block includes a retaining ring (501) sleeved on the surface of the support rod (406) and a second limiting block (502) installed on the surface of the support rod (406). The retaining ring (501) has a second limiting hole (503) in both the through hole and the opening (407). The second limiting block (502) matches the second limiting hole (503). The retaining ring (501) has a second threaded hole (504) on its surface. The second threaded hole (504) extends into the through hole of the retaining ring (501). A second bolt (505) is installed in the second threaded hole (504).

4. The variable diameter flaring machine for PE pipe production as described in claim 3, characterized in that: The clamping mechanism (2) includes a first clamping block (201) and a mounting frame (202) mounted on the surface of the mounting platform (1). A second hydraulic cylinder (203) is mounted on the surface of the mounting frame (202). The output end of the second hydraulic cylinder (203) passes through the mounting frame (202) and is mounted on the second clamping block (204).

5. The variable diameter flaring machine for PE pipe production as described in claim 4, characterized in that: The bottom of the mounting platform (1) is equipped with four support legs (6).

6. The variable diameter flaring machine for PE pipe production as described in claim 5, characterized in that: The bottom of the support leg (6) is equipped with casters (7).