Positioning device for exhaust pipe welding

By designing a positioning device for exhaust pipe welding, a combination of a sliding seat and a lifting screw is used to achieve precise positioning of the exhaust pipe, solving the problems of skewed welded products and excessively wide welds during the welding process, and improving welding accuracy.

CN223903294UActive Publication Date: 2026-02-13ZHONGSHAN XINTE MACHINERY EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520284889.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-21
Publication Date
2026-02-13
Estimated Expiration
2035-02-21

AI Technical Summary

Technical Problem

The existing exhaust pipe welding process lacks positioning methods, which leads to misalignment during welding, resulting in problems such as skewed ends of the welded product and excessively wide welds.

Method used

A positioning device for welding exhaust pipes was designed, including a connecting frame, a fixing component, and an adjusting mechanism. Through the combination of a sliding seat, a lifting seat, and a lifting screw, the device can achieve precise positioning and fit of the workpiece to be welded.

Benefits of technology

It improves welding precision, avoids skewing of welded products and excessive weld size, and enhances the performance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a positioning device for exhaust pipe welding, and relates to the field of exhaust pipe welding. The positioning device for exhaust pipe welding comprises a connecting frame and two sets of fixing pieces installed on the connecting frame, one fixing piece is fixedly welded to the connecting frame, and an adjusting mechanism is arranged between the other fixing piece and the connecting frame. According to the positioning device for exhaust pipe welding, two sets of workpieces are inserted into two sets of fixed clamping bases, a fixed lead screw is rotated, so that an arc-shaped clamping block moves downwards to clamp and fix the workpieces, a driving lead screw is rotated, a sliding base carries one set of workpieces to get close to the other set of workpieces, and then a rotating disc is rotated; the lifting screw rod is rotated to drive the lifting base to move upwards in the hollow base, finally, the ends of the two sets of opposite workpieces are positioned, then the driving screw rod is rotated again to enable the two sets of workpieces to be attached, the two sets of workpieces are welded at the moment, and therefore the welding precision is improved, and the situation that use is affected due to deflection and too large welding seams is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust pipe welding technical field, concretely is a kind of positioning device for exhaust pipe welding. BACKGROUND

[0002] Exhaust pipe in use, its exposed part increases with service life, there is knock damage and corrosion, therefore when its outer end part is damaged, damaged part needs to be cut off, then re-welding is carried out.

[0003] Many repair workshops currently when carrying out exhaust pipe welding, new pipe body is directly close to cutting end head, then welding is carried out by handheld welding gun, and in this process, due to lack of corresponding positioning means, misalignment occurs when welding, resulting in end skew of welded product, simultaneously, it can also make weld seam one side wider, affect use, and therefore a kind of positioning device for exhaust pipe welding is provided to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a kind of positioning device for exhaust pipe welding, solve the existing exhaust pipe welding process, due to lack of corresponding positioning means, misalignment occurs when welding, resulting in end skew of welded product, simultaneously, it can also make weld seam one side wider, affect use Problem.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of positioning device for exhaust pipe welding, including connecting frame and two groups of fixed parts installed on connecting frame, one group of fixed parts is fixedly welded on connecting frame, another group of fixed parts is provided with adjusting mechanism between connecting frame, the adjusting mechanism includes;

[0006] Sliding seat, slidingly arranged on connecting frame;

[0007] Lifting seat, vertically movably arranged on the top of sliding seat, the lifting seat is fixedly arranged on the bottom of one group of fixed parts;

[0008] Lifting screw rod, rotationally arranged on sliding seat, and lifting screw rod is screw connected with lifting seat.

[0009] Preferably, the fixed part includes;

[0010] Fixed clamping seat, U-shaped chamber is formed in the middle part;

[0011] Arc-shaped clamping block, movably arranged on the inner top of U-shaped chamber, the lower surface of arc-shaped clamping block and the inner bottom of U-shaped chamber form clamping space.

[0012] Preferably, the top of the fixed clamping seat is screw-connected with a fixed lead screw, and the bottom end of the fixed lead screw is rotationally connected to the top of the arc-shaped clamping block.

[0013] Preferably, the two sides of the fixed lead screw are both provided with a positioning shaft, the top end of the positioning shaft is movably penetrated through the top of the fixed clamping seat, and the bottom end of the positioning shaft is fixedly connected to the top of the arc-shaped clamping block.

[0014] Preferably, the middle part of the connecting frame is provided with a sliding groove, the inside of the sliding groove is rotationally connected with a driving lead screw, and the driving lead screw is screw-connected with the sliding seat.

[0015] Preferably, the two sides of the connecting frame are provided with a limiting groove, and the two sides of the sliding seat are fixedly provided with a limiting strip which is slidingly connected in the limiting groove.

[0016] Preferably, the top of the sliding seat is fixedly provided with a hollow seat, the lifting seat is slidingly arranged in the hollow seat, and the lifting lead screw is rotationally connected in the hollow seat.

[0017] Preferably, the bottom of the hollow seat is provided with a penetrating groove, the bottom end of the lifting lead screw is fixedly provided with a rotating disc on the outer surface, and the rotating disc is rotationally connected in the penetrating groove.

[0018] The utility model discloses a positioning device for exhaust pipe welding, which has the following beneficial effects: two groups of workpieces to be welded are respectively inserted into two groups of fixed clamping seats, then the fixed lead screw is rotated to make the arc-shaped clamping block move downwards, the workpieces are clamped and fixed through the clamping space formed between the lower surface of the arc-shaped clamping block and the inner bottom of the U-shaped chamber, then the driving lead screw is rotated to make the sliding seat carrying one group of workpieces approach the other group of workpieces, then the rotating disc is rotated to make the lifting lead screw drive the lifting seat to move upwards in the hollow seat, finally the end parts of the two groups of opposite workpieces are positioned, then the driving lead screw is rotated again to make the two groups of workpieces abut each other, and the workpieces are welded at this time, so that the welding precision is improved, and the situation that the use is affected due to the inclination and the excessive welding seam is avoided. ACCURACY

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating laboriously.

[0020] Figure 1 It is the whole side surface structure schematic diagram of the utility model;

[0021] Figure 2The utility model discloses whole back structure schematic diagram shows that the utility model discloses the whole back structure schematic diagram.

[0022] Figure 3 The utility model discloses adjusting mechanism structure schematic diagram shows that the utility model discloses adjusting mechanism structure schematic diagram.

[0023] Figure 4 The utility model discloses connecting frame internal structure section view.

[0024] In the drawing: 1, connecting frame;12, limit slot;13, sliding groove;14, drive screw;2, fixed part;21, fixed clamping seat;22, arc clamping block;23, fixed screw;24, positioning shaft;3, adjusting mechanism;31, sliding seat;32, limit strip;33, hollow seat;34, through groove;35, lifting screw;36, lifting seat;37, rotary table. DETAILED DESCRIPTION

[0025] In order to make the utility model embodiment's purpose, technical scheme and advantage more clear, to the technical scheme in the utility model embodiment, clear, complete, apparently, the described embodiment is the utility model one part embodiment, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making the creative labor are within the scope of the utility model protection.

[0026] The positioning device for exhaust pipe welding provided in the embodiment of the application solves the problems that in the existing exhaust pipe welding process, due to the lack of corresponding positioning means, the ends of the welded products are inclined, the welds on one side are wide, and the use is affected.

[0027] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments.

[0028] The utility model embodiment discloses a positioning device for exhaust pipe welding.

[0029] Embodiment one,

[0030] According to the accompanying Figures 1-4 As shown, including connecting frame 1 and install two groups of fixed parts 2 on connecting frame 1, a group of fixed parts 2 fixed welding is established in connecting frame 1, and the adjusting mechanism 3 is arranged between the other group of fixed parts 2 and connecting frame 1, and the adjusting mechanism 3 includes;

[0031] Sliding seat 31, it is slidably arranged on connecting frame 1;

[0032] Lifting seat 36, it is vertically movably arranged on the top of sliding seat 31, and the lifting seat 36 is fixedly arranged on the bottom of a group of fixed parts 2;

[0033] A lifting screw rod 35 is rotatably arranged on the sliding seat 31, and the lifting screw rod 35 is threadedly connected with the lifting seat 36.

[0034] The fixing member 2 comprises;

[0035] The fixed clamping seat 21 is provided with a U-shaped cavity in the middle portion;

[0036] An arc-shaped clamping block 22 is movably arranged on the inner top portion of the U-shaped cavity, and a clamping space is formed between the lower surface of the arc-shaped clamping block 22 and the inner bottom portion of the U-shaped cavity.

[0037] A fixed screw rod 23 is threadedly connected to the top portion of the fixed clamping seat 21, and the bottom end of the fixed screw rod 23 is rotatably connected to the top portion of the arc-shaped clamping block 22.

[0038] Positioning shafts 24 are arranged on both sides of the fixed screw rod 23, the top ends of the positioning shafts 24 are movably penetrated through the top portion of the fixed clamping seat 21, and the bottom ends of the positioning shafts 24 are fixedly connected to the top portion of the arc-shaped clamping block 22.

[0039] A sliding groove 13 is formed in the middle portion of the connecting frame 1, a driving screw rod 14 is rotatably connected inside the sliding groove 13, and the driving screw rod 14 is threadedly connected with the sliding seat 31.

[0040] Limiting grooves 12 are formed in both sides of the connecting frame 1, limiting strips 32 are fixedly arranged on both sides of the sliding seat 31, and the limiting strips 32 are slidably connected in the limiting grooves 12.

[0041] A hollow seat 33 is fixedly arranged on the top portion of the sliding seat 31, a lifting seat 36 is slidably arranged in the hollow seat 33, and a lifting screw rod 35 is rotatably connected in the hollow seat 33.

[0042] A penetrating groove 34 is formed in the bottom portion of the hollow seat 33, a rotating disc 37 is fixedly arranged on the outer surface of the bottom end of the lifting screw rod 35, and the rotating disc 37 is rotatably connected in the penetrating groove 34.

[0043] When the device is in use, two groups of workpieces to be welded are respectively inserted into the two groups of fixed clamping seats 21, then the fixed screw rod 23 is rotated to make the arc-shaped clamping block 22 move downward, the workpieces are clamped and fixed by the clamping space formed between the lower surface of the arc-shaped clamping block 22 and the inner bottom portion of the U-shaped cavity, at this time, the driving screw rod 14 is rotated to make the sliding seat 31 carrying a group of workpieces move close to another group of workpieces, then the rotating disc 37 is rotated to make the lifting screw rod 35 drive the lifting seat 36 to move upward in the hollow seat 33, finally the end portions of the two groups of opposite workpieces are positioned, then the driving screw rod 14 is rotated again to make the two groups of workpieces abut, at this time, the workpieces are welded, so as to improve the precision of welding and avoid the occurrence of inclination and excessive welds affecting the use.

[0044] Example two,

[0045] According to the accompanying Figures 1-4 As shown in Figure 1, on the basis of the first embodiment, more specifically, the middle part of the fixed clamping seat 21 is provided with a U-shaped chamber; the arc-shaped clamping block 22 is movably arranged at the inner top of the U-shaped chamber, the lower surface of the arc-shaped clamping block 22 is arc-shaped, and the bottom of the arc-shaped clamping block 22 and the inner bottom of the U-shaped chamber form a clamping space; when the exhaust pipe is welded, the pipe body is placed on the inner bottom of the U-shaped chamber, at this time, the pipe body is automatically centered, so that it is not necessary to set left and right adjusting members to adjust the left and right positions, and the use is convenient.

[0046] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning device for exhaust pipe welding, characterized by, The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; 2. A positioning device for exhaust pipe welding according to claim 1, characterized in that: The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; 3. A positioning device for exhaust pipe welding according to claim 2, characterized in that: The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; 4. A positioning device for welding exhaust pipes according to claim 3, characterized in that: The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; 5. The positioning device for welding exhaust pipes according to claim 1, wherein: The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; 6. A positioning device for exhaust pipe welding according to claim 5, characterized in that: The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; 7. A positioning device for welding exhaust pipes according to claim 5, characterized in that: The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; 8. A positioning device for exhaust pipe welding according to claim 7, characterized in that: The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is arranged between the other group of fixing pieces (2) and the connecting frame (1), and the adjusting mechanism (3) comprises; The utility model relates to a connecting frame (1) and two groups of fixing pieces (2) are installed on the connecting frame (1), one group of fixing pieces (2) is fixedly welded on the connecting frame (1), and the adjusting mechanism (3) is