Anti-dislocation mechanism for seamless welding device

By designing a correction and seamless testing mechanism for the seamless welding device, the problems of workpiece misalignment and welding cracks were solved, achieving high-quality welding results and sealing performance.

CN223801883UActive Publication Date: 2026-01-16WEIFANG TUODA METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202423317506.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-01-16
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

In traditional seamless welding, workpieces may not fit tightly enough, leading to misalignment and affecting the welding effect. Furthermore, cracks may appear at the weld joint, which are difficult to detect and affect the sealing performance.

Method used

A seamless welding device was designed, comprising a straightening mechanism and a seamless testing mechanism. The straightening mechanism ensures workpiece alignment and prevents misalignment through components such as a limiting plate, a lead screw, and a return spring; the seamless testing mechanism detects welding quality using a brush and test paper.

Benefits of technology

It effectively prevents workpiece misalignment, improves welding quality and sealing performance, ensures welding yield, detects whether the weld is seamless, and improves sealing performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of welding, and discloses an anti-dislocation mechanism for a seamless welding device, which comprises a welding machine, a correcting mechanism is arranged on the front side of the welding machine, and the correcting mechanism comprises a limiting plate, a screw rod, a reset spring, a limiting box, a positioning plate, an extrusion plate and a screw rod, a lead screw is rotationally connected between the two limiting plates, a limiting rod is arranged at the bottom of the lead screw, through the arranged correcting mechanism, a user places two steel pipes in a limiting box, the user can rotate a transmission handle, the transmission handle drives the lead screw to rotate, and therefore the two moving plates drive the two extrusion plates to extrude the two ends of the two steel pipes correspondingly; the two ends of the two steel pipes are aligned, the two reset springs can prevent the situation that the force of the extrusion plate for extruding the steel pipes is large, so that one ends of the two steel pipes are staggered, the welding quality and the workpiece precision are guaranteed, then a user can rotate the two screw rods correspondingly, the two steel pipes are clamped through the two positioning plates, and the user can start the welding machine to weld the two steel pipes.
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Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field especially relates to a seamless welding device is with mistaken position prevention mechanism. BACKGROUND

[0002] The seamless welding machine is a kind of special equipment for implementing seamless welding, and the machine is usually designed to be used for the seamless connection of pipes, pipe fittings, containers and the like in production.

[0003] In actual welding, two workpieces need to be placed in the correct position, and their two ends are aligned, then the workpieces are fixed for welding;However, this traditional method has the problem that the workpieces may not fit tightly in the machining process, resulting in workpiece misplacement, which in turn affects the welding effect;In addition, some workpieces may have cracks at the welded part after welding, which may affect their sealing performance. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a seamless welding device mistaken position prevention mechanism, which solves the problem that the current traditional method has the problem that the workpieces may not fit tightly in the machining process, resulting in workpiece misplacement, which in turn affects the welding effect and the worker cannot detect the cracks at the welded part.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a seamless welding device mistaken position prevention mechanism, comprising a welding machine, the front of the welding machine is provided with a correction mechanism, the correction mechanism includes a limiting plate, a lead screw, a return spring, a limiting box, a positioning plate, an extrusion plate and a screw rod, two limiting plates are rotatably connected with lead screw, the bottom of the lead screw is provided with a limiting rod, the threads of the two ends of the lead screw are opposite, the two ends of the lead screw are both threadedly connected with a moving plate, the bottom of the two moving plates is slidably connected with the limiting rod, the inner side of the two moving plates is fixedly connected with two return springs, one end of the two return springs is fixedly connected with an extrusion plate, the front of the limiting box is threadedly connected with two screw rods, one end of the two screw rods is rotatably connected with a positioning plate, two steel pipes are placed in the limiting box.

[0006] The top of the limiting box is provided with a seamless test mechanism, the seamless test mechanism includes a connecting rod, an arc plate, a compression spring, a water injection pipe, a water storage box, a transmission pipe, an application brush, a moving frame and a test paper, a plurality of compression springs are fixedly connected on the outer wall of two connecting rods, one end of two adjacent compression springs is fixedly connected with an arc plate, the outer wall of the arc plate is pasted with test paper, the outer wall of the test paper is attached to the inner wall of the steel pipe, the bottom end of the moving frame is fixedly connected with a water storage box, the bottom end of the water storage box is fixedly connected with a transmission pipe, the bottom end of the transmission pipe is fixedly connected with a folding hose, the bottom end of the folding hose is clampedly connected with an application brush.

[0007] Preferably, the front of the welding machine is fixedly connected with a connecting base, and the top end of the connecting base is fixedly connected with a support plate.

[0008] Preferably, the outer side of one of the limiting plates is rotatably connected with a transmission handle, and one end of the transmission handle is fixedly connected with one end of the lead screw.

[0009] Preferably, the two ends of the limiting rod are respectively fixedly connected with the inner sides of the two limiting rods.

[0010] Preferably, the bottom ends of the two positioning plates are respectively slidably connected with the inner walls of the bottom ends of the limiting boxes, the inner sides of the two extrusion plates are respectively attached to one ends of the two steel pipes, and the back surfaces of the two positioning plates are respectively attached to the front surfaces of the two steel pipes.

[0011] Preferably, the bottom ends of the two limiting boxes are fixedly connected with two support frames, and the bottom ends of the two support frames are respectively fixedly connected with the top end of the support plate.

[0012] Preferably, the middle part of the transmission pipe is provided with a valve, and one side of the water storage box is fixedly connected with a water injection pipe.

[0013] Preferably, the bottom end of the moving frame is slidably connected with the front surface and the back surface of the limiting box, and one end of each of the two connecting rods is slidably connected with the inner side of the extrusion plate.

[0014] Beneficial effects

[0015] The seamless welding device anti-misplacement mechanism has the following beneficial effects compared with the prior art:

[0016] 1、In the utility model, the user places two steel pipes in the limiting boxes, rotates the transmission handle, drives the lead screw to rotate, and then makes the two moving plates drive the two extrusion plates to extrude two ends of the two steel pipes, so that the two ends of the two steel pipes are aligned, and the two reset springs can avoid the extrusion plates from extruding the steel pipes with too large force to misplace one end of the two steel pipes, so as to ensure the welding quality and the workpiece precision, then the user can rotate the two screws, so that the two positioning plates clamp the two steel pipes, and the user can start the welding machine to weld the two steel pipes.

[0017] 2. The utility model discloses a seamless test mechanism is set up, and the user moves the mobile frame after welding two steel pipes, and the bottom of mobile frame is placed on the top of steel pipe welding, and then opens the valve, stretches the folding hose, and sticks the bottom end of the smearing brush to the welding position, and the water in the water storage box infiltrates the smearing brush along the transmission pipe and folding hose, and the user rotates the welded steel pipe, and the smearing brush can smear water on the welding position, if the steel pipe has a crack or gap, water will seep from the gap and drop on the test paper inside the steel pipe, and the user can check whether there is water drop trace on the test paper after taking out the steel pipe, thereby judging whether the steel pipe is seamless, effectively improving the yield rate of steel pipe welding, and ensuring the quality and sealing performance of the welding joint. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structure schematic diagram of the front of the anti-misplacement mechanism for seamless welding device provided by the utility model;

[0019] Figure 2 It is a structure schematic diagram of the back of the anti-misplacement mechanism for seamless welding device provided by the utility model;

[0020] Figure 3 It is a partial structure schematic diagram of the correction mechanism of the anti-misplacement mechanism for seamless welding device provided by the utility model;

[0021] Figure 4 It is a structure schematic diagram of the anti-misplacement mechanism for seamless welding device provided by the utility model; Figure 3 It is an enlarged view of A in the utility model;

[0022] Figure 5 It is an enlarged view of B in the utility model. Figure 3

[0023] Legend:

[0024] 1, welding machine, 2, connecting base, 3, support plate, 4, seamless test mechanism, 401, connecting rod, 402, arc plate, 403, compression spring, 404, water filling pipe, 405, water storage box, 406, transmission pipe, 407, folding hose, 408, smearing brush, 409, test paper, 410, mobile frame, 5, correction mechanism, 501, limit plate, 502, screw rod, 503, limit rod, 504, moving plate, 505, return spring, 506, limit box, 507, support frame, 508, positioning plate, 509, screw rod, 510, extrusion plate, 511, transmission handle, 6, steel pipe. DETAILED DESCRIPTION

[0025] ​Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Please refer to Figure 1 - Figure 5 The present application provides two technical solutions, specifically including the following embodiments:

[0027] Embodiment one:

[0028] The present application provides two technical solutions, specifically including the following embodiments:

[0027] Embodiment one:

[0028] A seamless welding device anti-dislocation mechanism, including welding machine 1, the front of welding machine 1 is equipped with correction mechanism 5, correction mechanism 5 includes limiting plate 501, screw rod 502, reset spring 505, limiting box 506, positioning plate 508, extrusion plate 510 and screw rod 509, two limiting plates 501 are rotatably connected with screw rod 502, the bottom of screw rod 502 is equipped with limiting rod 503, the threads of the two ends of screw rod 502 are opposite, the two ends of screw rod 502 are both screw connected with moving plate 504, the bottom of two moving plates 504 is slidably connected with limiting rod 503, the inner side of two moving plates 504 is fixedly connected with two reset springs 505, two reset springs 505 can drive two extrusion plates 510 to abut against the two ends of two steel pipes 6, so that the other two ends of two steel pipes 6 are mutually adhered, even in welding, it can also keep close adhesion, one end of two reset springs 505 is fixedly connected with extrusion plate 510, the front of limiting box 506 is screw connected with two screw rods 509, one end of two screw rods 509 is rotatably connected with positioning plate 508, two steel pipes 6 are placed in the inside of limiting box 506, the front of welding machine 1 is fixedly connected with connecting base 2, the top end of connecting base 2 is fixedly connected with supporting plate 3, the outer side of one limiting plate 501 is rotatably connected with transmission handle 511, one end of transmission handle 511 is fixedly connected with one end of screw rod 502, the two ends of limiting rod 503 are fixedly connected with the inner side of two limiting rods 503, the bottom end of two positioning plates 508 is slidably connected with the inner wall of the bottom end of limiting box 506, the inner side of two extrusion plates 510 is respectively adhered to one end of two steel pipes 6, the back of two positioning plates 508 is respectively adhered to the front of two steel pipes 6, the bottom end of two limiting boxes 506 is fixedly connected with two supporting frames 507, the bottom end of two supporting frames 507 is fixedly connected with the top end of supporting plate 3.

[0029] In use, the user places the two steel pipes 6 in the limiting box 506, and can rotate the transmission handle 511, which drives the screw rod 502 to rotate, so that the two moving plates 504 drive the two pressing plates 510 to press the two ends of the two steel pipes 6, so that the two ends of the two steel pipes 6 are aligned, and the two reset springs 505 can prevent the pressing plate 510 from pressing the steel pipe 6 with too much force, so that the ends of the two steel pipes 6 are misaligned, so as to ensure the welding quality and workpiece precision, then the user can rotate the two screw rods 509 respectively, so that the two positioning plates 508 clamp the two steel pipes 6, and the user can start the welding machine 1 to weld the two steel pipes 6.

[0030] Embodiment two:

[0031] On the basis of embodiment one, the top of the limiting box 506 is provided with a seamless testing mechanism 4, which includes connecting rods 401, arc plates 402, compression springs 403, water injection pipes 404, water storage boxes 405, transmission pipes 406, smearing brushes 408, moving frames 410 and test papers 409, the outer walls of the two connecting rods 401 are fixedly connected with a plurality of compression springs 403, one end of two adjacent compression springs 403 is fixedly connected with an arc plate 402, the compression spring 403 presses the arc plate 402, so that the arc plate 402 drives the test paper 409 to adhere to the inner wall of the steel pipe 6, the outer wall of the arc plate 402 is pasted with the test paper 409, the outer wall of the test paper 409 is pasted on the inner wall of the steel pipe 6, the material of the test paper 409 is cotton, when the pigment in the water storage box 405 drops on the test paper 409, a mark will be left, the bottom end of the moving frame 410 is fixedly connected with the water storage box 405, the inside of the water storage box 405 is filled with degradable pigment, the bottom end of the water storage box 405 is fixedly connected with the transmission pipe 406, the bottom end of the transmission pipe 406 is fixedly connected with the folding hose 407, the bottom end of the folding hose 407 is clamped with the smearing brush 408, the middle part of the transmission pipe 406 is provided with a valve, one side of the water storage box 405 is fixedly connected with the water injection pipe 404, the bottom end of the moving frame 410 is slidingly connected to the front and back of the limiting box 506, one end of the two connecting rods 401 is slidingly connected to the inner side of the pressing plate 510.

[0032] After the user welds the two steel pipes 6, he moves the moving frame 410 so that the bottom of the moving frame 410 is on the top of the welded part of the steel pipes 6, then opens the valve, stretches the folding hose 407, and sticks the bottom end of the paint brush 408 to the welded part. The water in the water storage box 405 is infiltrated to the paint brush 408 along the transmission pipe 406 and the folding hose 407. The user rotates the welded steel pipes 6, and the paint brush 408 can paint water on the welded part. If there is a crack or gap in the steel pipes 6, water will seep out of the gap and drip on the test paper 409 inside the steel pipes 6. After the user takes out the steel pipes 6, he can check whether there are water droplet traces on the test paper 409, so as to determine whether the steel pipes 6 are seamless. The method effectively improves the yield of the welded steel pipes 6 and ensures the quality and sealing performance of the welded joint.

[0033] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A misplacement prevention mechanism for a seamless welding device, comprising a welding machine (1), characterized in that: The front of the welding machine (1) is provided with a straightening mechanism (5), the straightening mechanism (5) comprises a limiting plate (501), a lead screw (502), a reset spring (505), a limiting box (506), a positioning plate (508), an extrusion plate (510) and a screw rod (509), the lead screw (502) is rotatably connected between the two limiting plates (501), the bottom of the lead screw (502) is provided with a limiting rod (503), the threads of the two ends of the lead screw (502) are opposite, the two ends of the lead screw (502) are both threadedly connected with a moving plate (504), the bottom of the two moving plates (504) is slidably connected with the limiting rod (503), the inner side of the two moving plates (504) is fixedly connected with two reset springs (505), one end of the two reset springs (505) is fixedly connected with an extrusion plate (510), the front of the limiting box (506) is threadedly connected with two screw rods (509), one end of the two screw rods (509) is rotatably connected with a positioning plate (508), and the inside of the limiting box (506) is provided with two steel pipes (6). The top of the limiting box (506) is provided with a seamless test mechanism (4), the seamless test mechanism (4) comprises a connecting rod (401), an arc plate (402), a compression spring (403), a water injection pipe (404), a water storage box (405), a transmission pipe (406), a smearing brush (408), a moving frame (410) and a test paper (409), a plurality of compression springs (403) are fixedly connected to the outer wall of the two connecting rods (401), one end of two adjacent compression springs (403) is fixedly connected with an arc plate (402), the outer wall of the arc plate (402) is attached with a test paper (409), the outer wall of the test paper (409) is attached to the inner wall of the steel pipe (6), the bottom end of the moving frame (410) is fixedly connected with a water storage box (405), the bottom end of the water storage box (405) is fixedly connected with a transmission pipe (406), the bottom end of the transmission pipe (406) is fixedly connected with a folding hose (407), and the bottom end of the folding hose (407) is clampedly connected with a smearing brush (408).

2. The misalignment prevention mechanism for a seamless welding device according to claim 1, characterized in that: The front of the welding machine (1) is fixedly connected with a connecting base (2), and the top end of the connecting base (2) is fixedly connected with a supporting plate (3).

3. The misalignment prevention mechanism for a seamless welding device according to claim 1, characterized in that: The outer side of one of the limiting plates (501) is rotatably connected with a transmission handle (511), and one end of the transmission handle (511) is fixedly connected with one end of the lead screw (502).

4. The misalignment prevention mechanism for a seamless welding device according to claim 1, characterized in that: The two ends of the limiting rod (503) are respectively fixedly connected to the inner sides of the two limiting rods (503).

5. The misplacement prevention mechanism for a seamless welding apparatus according to claim 1, characterized in that: The bottom ends of the two positioning plates (508) are slidably connected to the inner wall of the bottom end of the limiting box (506), the inner sides of the two extrusion plates (510) are respectively attached to one end of the two steel pipes (6), and the back surfaces of the two positioning plates (508) are respectively attached to the front surfaces of the two steel pipes (6).

6. The misalignment prevention mechanism for a seamless welding device according to claim 2, characterized in that: The bottom end of two limiting boxes (506) is fixedly connected with two supporting frames (507), and the bottom end of two supporting frames (507) is fixedly connected with the top end of the supporting plate (3).

7. The misplacement prevention mechanism for a seamless welding apparatus according to claim 1, characterized by: The middle part of the transmission pipe (406) is provided with a valve, and one side of the water storage box (405) is fixedly connected with a water filling pipe (404).

8. The misplacement prevention mechanism for a seamless welding apparatus according to claim 1, characterized by: The bottom end of the moving frame (410) is slidably connected with the front face and the back face of the limiting box (506), and one end of two connecting rods (401) is slidably connected with the inner side of the extrusion plate (510).