Metal joint pre-extrusion device

By designing a metal joint pre-extrusion device, and utilizing structures such as a joint positioning seat, extrusion module, and guide rail, coaxial positioning and precise displacement of the metal joint were achieved. This solved the problems of coaxiality and positional accuracy during the pre-extrusion process, improved the product qualification rate, and reduced the scrap rate.

CN223684312UActive Publication Date: 2025-12-19YIBIN SANJIANG MACHINERY
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Patent Information

Application Number
CN202423268233.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-12-19
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Existing technologies cannot guarantee that metal joints maintain coaxiality and positional accuracy during pre-extrusion, resulting in a high rate of product installation failure and increased scrap rate.

Method used

Design a metal joint pre-extrusion device, including a joint positioning seat, an extrusion ring, an extrusion module, a slider, a guide rail and a base, which are fixedly connected by screws and bolts to achieve coaxial positioning and precise displacement of the extrusion ring, and achieve precise pre-extrusion by combining servo control.

Benefits of technology

It enables rapid extrusion of metal joints, ensuring coaxiality and positional accuracy, improving the pre-extrusion pass rate, and reducing scrap loss.

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Abstract

The utility model discloses a metal joint pre-extrusion device which comprises a joint positioning seat, an extrusion ring, an extrusion module, a sliding block, a guide rail and a base, the base is of a step-shaped structure, the positioning seat is fixedly installed on the top end face of a second step of the base, and one end of the guide rail is fixedly installed on the side end face, close to a first step, of the second step of the base. The sliding block is arranged on the outer side of the other end of the inner guide rail in a sleeving mode and slidably connected with the inner guide rail, the upper end of the sliding block is fixedly connected with an extrusion module through a screw, the extrusion ring is arranged in a positioning hole in the extrusion module and generates axial displacement under the action of the extrusion module, and an arc groove is formed in the upper end of the connector positioning base and used for containing a connector. And the central axis of the arc groove and the positioning hole of the extrusion module are the same axis. And axial extrusion force is formed on the extrusion ring under the action of external force, so that rapid extrusion of the metal joint is realized, the pre-extrusion coaxiality and position accuracy are effectively ensured, the pre-extrusion qualification rate of the metal joint is improved, and the waste loss is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of pipeline fitting manufacturing, specifically relates to a metal joint pre -extrusion device. BACKGROUND

[0002] Metal joint is mainly used for pipeline and pipeline connection, usually before installation in the form of pre -extrusion delivery user. Pre -extrusion needs to guarantee the coaxial between extrusion ring and joint, and guarantee the extrusion ring extrusion in the specified pre -extrusion position, to satisfy the actual installation demand of product and pipeline. SUMMARY

[0003] The utility model aims at providing a metal joint needs to carry out pre -extrusion device, and guarantee the coaxiality and position requirement. The utility model technical solution: a metal joint pre -extrusion device, including joint positioning seat, extrusion ring, extrusion module, sliding block, guide rail, base, the base is the stepped structure, the positioning seat fixed mounting is in the second step top end face of base, the guide rail fixed mounting is in the top end face of the first step of base, the sliding block sleeve sets up on the guide rail and can slide connection, the sliding block upper end is fixedly connected with extrusion module through screw, the extrusion ring is placed in the positioning hole in extrusion module, and extrusion ring produces axial displacement under the action of extrusion module, the upper end of joint positioning seat is equipped with arc groove for placing joint, and the center axis of arc groove is the same axis as the positioning hole of extrusion module.

[0004] Further, the joint positioning seat and extrusion module can be replaced and adjusted according to different joint sizes.

[0005] Further, the guide rail is fixedly installed on the first step of the base by bolts.

[0006] The utility model has the advantages of:

[0007] (1) realize the quick extrusion of metal joint;

[0008] (2) effectively guarantee the coaxiality and position accuracy of pre -extrusion;

[0009] (3) improve the pre -extrusion qualified rate of metal head, reduce the loss of waste. BRIEF DESCRIPTION OF DRAWINGS

[0010] The drawings incorporated into the specification and forming part of the specification, show the embodiments consistent with the utility model, and be used with the specification to explain the principle of the utility model. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without paying creative labor for ordinary skilled in the art. In the drawings:

[0011] Figure 1 The utility model provides a metal joint pre -extrusion device's structure schematic drawing;

[0012] Figure 2 The utility model provides a metal joint pre -extrusion device's extrusion ring and extrusion module separation structure schematic drawing;

[0013] In the drawing: 1 - joint positioning seat, 2 - joint, 3 - extrusion ring, 4 - extrusion module, 5 - screw, 6 - sliding block, 7 - guide rail, 8 - base, 11 - circular arc groove, 41 - positioning hole, 81 - first step, 82 - second step, 83 - bolt. DETAILED DESCRIPTION

[0014] Example implementations will now be described more fully with reference to the accompanying drawings. Example implementations may, however, be implemented in many different forms and should not be construed as limited to the examples set forth herein; rather, these example implementations are provided so that this disclosure will be thorough and complete, and will fully convey the inventive aspects of the example implementations to those skilled in the art.

[0015] Please refer to Figure 1 , the utility model provides a metal joint pre -extrusion device structure schematic drawing is shown, including joint positioning seat 1, extrusion ring 3, extrusion module 4, sliding block 6, guide rail 7, base 8, the base 8 is the stepped structure, the positioning seat 1 fixed mounting is in the base 8 second step 82 top end face, the guide rail 7 is through bolt 83 fixed mounting in the base 8 first step 81 top end face, the sliding block 6 is sleeved on the guide rail 7 and can be slidably connected, the sliding block 6 upper end is fixedly connected with extrusion module 4 through screw 5, the extrusion ring 3 is placed in the positioning hole 41 in extrusion module 4, and the extrusion ring 3 generates axial displacement under the action of extrusion module 4, the upper end of joint positioning seat 1 is equipped with circular arc groove 11 for placing joint 2, and the center axis of circular arc groove 11 is the same axis line with the positioning hole 41 center of extrusion module 4.

[0016] The joint positioning seat 1 and the extrusion module 4 can be replaced and adjusted according to different joint sizes, and the coaxial requirement and the position size requirement of extrusion are guaranteed.

[0017] The base 8 is used for installing the positioning seat 1 and the guide rail 7; the positioning seat 1 is used for placing the joint 2 or the single-sided pre-extruded assembly, realizes radial positioning and axial limiting during extrusion; the extrusion module 4 is mainly used for the positioning of the extrusion ring 3, and force transmission; the guide rail 7 is connected with the sliding block 6, the sliding block 6 is connected with the extrusion module 4, and linear motion is generated when the extrusion module 4 is subjected to external force, so that the accurate control of displacement is guaranteed.

[0018] Workflow: first put the joint 2 in the arc groove 11 on the positioning seat 1, put the extrusion ring 3 in the positioning hole 41 in the extrusion module 4, manually move the extrusion module 4, generate linear movement under the action of guide rail 7 and sliding block 6, until the extrusion ring and the joint are in contact, at this time, start the servo-controlled external force load, push the extrusion module 4 to generate axial movement along the joint 2 axis, until the set pre-extrusion position, unilateral extrusion is completed. Similarly, adjust the unilateral pre-extrusion joint assembly to 180° direction, complete the pre-extrusion of the other side according to the above steps, finally form the formal product, and check whether the pre-extrusion positions of both ends meet the requirements with a vernier caliper.

[0019] The above examples are only used to illustrate the technical solutions of the utility model and not to limit, the modification or equivalent replacement of the technical solutions of the utility model by the ordinary skilled in the art, as long as it does not deviate from the spirit and scope of the technical solutions of the utility model, is covered in the claim range of the utility model.

Claims

1. A metal joint pre-extrusion device, characterized by: The utility model relates to a joint positioning seat (1), extrusion ring (3), extrusion module (4), slider (6), guide rail (7), base (8), the base (8) is the stepped structure, the positioning seat (1) fixed mounting is in the second step (82) top end face of base (8), the guide rail (7) fixed mounting is in the first step (81) top end face of base (8), the slider (6) is sleeved on the guide rail (7) and can be slidably connected, the slider (6) upper end is fixedly connected with extrusion module (4) through screw (5), the extrusion ring (3) is placed in the positioning hole (41) in extrusion module (4), and extrusion ring (3) produces axial displacement under the action of extrusion module (4), the upper end of joint positioning seat (1) is equipped with arc groove (11) for placing joint (2), and the central axis of arc groove (11) is same with the positioning hole (41) center of extrusion module (4) and is same axial line.

2. The metal joint pre-extrusion device according to claim 1, characterized in that: The joint positioning seat (1) and extrusion module (4) can be replaced and adjusted according to different joint sizes.

3. The metal joint pre-extrusion device according to claim 1, characterized in that: The guide rail (7) is fixedly installed on the first step (81) of the base (8) through the bolt (83).