Welding end face fixing tool for welding

By using a split semi-cylindrical structure and spring seat design, the problems of unstable fixing and inconvenient disassembly of existing welding fixtures are solved, achieving stable alignment and adaptability for pipe welding, and improving welding quality and efficiency.

CN224102220UActive Publication Date: 2026-04-10YANGZHOU JINBIAO ELECTROMECHANICAL EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing welding fixtures are unstable when welding pipes together, resulting in poor welding quality and inconvenience in disassembly and assembly, making them unsuitable for welding pipes of different sizes.

Method used

It adopts a semi-cylindrical structure with separate upper and lower parts, combined with spring seat, slider and limit groove design. The fixed spring achieves stable connection of the pipe and the adjustable spring seat can adapt to pipe of different sizes. The internal spring groove and pressure plate enhance the fixing effect.

Benefits of technology

It achieves stable alignment of the pipe welding end faces, adapts to the welding requirements of pipes of different sizes, and improves welding quality and ease of assembly and disassembly.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224102220U_ABST
    Figure CN224102220U_ABST
Patent Text Reader

Abstract

The utility model discloses a welding end face fixing tool for welding, which comprises an upper fixing cylinder and a lower fixing cylinder, and the upper fixing cylinder and the lower fixing cylinder are vertically separated. The upper fixing cylinder and the lower fixing cylinder are each of a two-semicircular-cylinder structure, a hinge piece is arranged at one side end of each semicircular-cylinder structure, and a locking piece is arranged at the other end of each semicircular-cylinder structure. According to the device, the two fixing barrels are each of a hinged semicircular barrel body structure, spring seats are arranged on the outer walls of the barrel bodies, the positions of the spring seats on the upper fixing barrel and the lower fixing barrel correspond to each other, a fixing spring is installed between the corresponding spring seats, and an upper pipe and a lower pipe needing to be welded are placed into the upper fixing barrel and the lower fixing barrel correspondingly; the upper fixing base and the lower fixing base are correspondingly tensioned and fixed through the pulling force effect of the fixing springs, so that the welding end faces of the pipes in the two fixing cylinders are aligned and butted, then the pipes can be placed on the ground for welding, and due to the fact that the two pipes are tensioned and the welding end faces are correspondingly aligned, the overall structure is quite reasonable and stable.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field, specifically speaking, a kind of welding end face fixing tool for welding. BACKGROUND

[0002] In the prior art, in the pipe butt welding technology of tubular structure pipe, the end faces of two pipes need to be butt-jointed, and then the two pipes are welded together by welding equipment. In the prior art, manual butt-jointing is often used for fixing, and certain equipment tooling is also used for fixing. In the existing tooling equipment, one end is fixed, and the other end is butt-jointed. The main problem of this type of fixing tooling is instability. The upper and lower pipes are not combined together by a certain restraining force, which causes the upper pipe without fixation to swing and affects the welding quality.

[0003] In addition, when the pipes are butt-jointed and welded, the pipe needs to be disassembled. Since the lower pipe is fixed, disassembly is very inconvenient, especially for the fixed pipe.

[0004] In addition, in the prior art, different sizes of pipes may be welded during welding. However, the existing fixing tooling cannot adapt to the welding of pipes of different sizes, which seriously affects the welding efficiency and quality.

[0005] Therefore, in order to solve the above problems, a welding end face fixing tooling for welding with good fixing effect and convenient disassembly is needed. UTILITY MODEL CONTENTS

[0006] The utility model aims at the deficiencies of the prior art, and provides a welding end face fixing tooling for welding. The technical scheme is as follows:

[0007] A welding end face fixing tooling for welding includes an upper fixing cylinder and a lower fixing cylinder. The upper fixing cylinder and the lower fixing cylinder are arranged as upper and lower separated fixing cylinders. Both the upper fixing cylinder and the lower fixing cylinder are arranged as two half-cylinder structures, and one side end is provided with a hinge element, and the other end is provided with a locking element.

[0008] The cylinder wall of the upper fixing cylinder and the lower fixing cylinder is also provided with a spring seat protruding outward, and the positions of the spring seats on the upper fixing cylinder and the lower fixing cylinder are corresponding. The upper fixing cylinder is installed above the welding area, and the lower fixing cylinder is installed below the welding area. The spring seats above and below are provided with a fixing spring, which tightly fixes the upper fixing cylinder and the lower fixing cylinder above and below the welding area.

[0009] Further, four spring seats are arranged on the upper fixing cylinder and the lower fixing cylinder respectively, and the fixing spring is correspondingly provided with four spring seats.

[0010] Further, the spring seat can move up and down on the outer wall of the fixing cylinder; a vertical sliding groove is arranged on the outer wall of the fixing cylinder, and a sliding block extending into the vertical sliding groove is correspondingly arranged on the spring seat; the sliding block can move up and down and is correspondingly fixed in the vertical sliding groove.

[0011] Further, a vertical row of limiting grooves is arranged on the vertical sliding groove on the outer wall of the fixing cylinder; when the sliding block slides up and down in the vertical sliding groove, the sliding block can be placed in the limiting groove, thereby fixing the sliding block and the spring seat.

[0012] Further, five limiting grooves are uniformly arranged on each vertical sliding groove; the number and position of the limiting grooves are reasonably arranged, so that the fixing spring has a more appropriate position.

[0013] Further, a plurality of spring grooves are uniformly arranged in the upper fixing cylinder and the lower fixing cylinder; the spring grooves are vertically arranged, and a lifting spring and a pressing plate are correspondingly arranged in each spring groove; the pressing plate is vertically arranged and is lifted inward under the action of the lifting spring.

[0014] Further, four spring grooves are correspondingly arranged in the upper fixing cylinder and the lower fixing cylinder; two spring grooves are arranged in each semicircular cylinder.

[0015] Beneficial effects: the utility model has the following beneficial effects:

[0016] 1) the device includes an upper fixing cylinder and a lower fixing cylinder, and the two fixing cylinders are arranged as hinged semicircular cylinder structures, and the outer wall of the cylinder is provided with a spring seat; the positions of the spring seats on the upper and lower fixing cylinders are corresponding, and the corresponding spring seats are provided with a fixing spring; in specific work, the upper and lower pipes to be welded are respectively placed in the upper and lower two fixing cylinders, the upper and lower fixing seats are correspondingly tensioned and fixed through the tensioning effect of the fixing spring, so that the welding end faces of the pipes in the two fixing cylinders are aligned and butt jointed, and then can be placed on the ground for welding; since the two pipes are tensioned, the welding end faces are correspondingly aligned, and the overall structure is very reasonable and stable.

[0017] 2) The device is further provided with a spring seat which can be adjusted in up-down position, and the outer wall of the up-down fixing cylinder is further provided with a vertical sliding groove, and the spring seat is provided with a sliding block which is embedded in the sliding groove, the sliding block can move up-down with the spring seat, and the vertical sliding groove is further provided with a limiting groove, when the sliding block moves up-down to the position of the limiting groove, the sliding block can be directly embedded in the limiting groove, then the up-down fixing cylinders are placed at the positions of the up-down branches, and the position of the spring seat is adjusted, so that the middle fixing spring generates a certain tension to tightly fix the two fixing cylinders together; through the spring seat which can be adjusted in up-down position, the end face butt joint condition of some large size pipe can be adapted, so as to avoid that the fixing spring cannot generate tension or generates large tension, and the pipe is damaged or moved;

[0018] 3) The device is provided with the combination of the spring seat and the fixing spring, and the spring groove is further provided in the up-down fixing cylinder, the pressing plate and the lifting spring are installed in the spring groove, when the up fixing cylinder and the down fixing cylinder are installed, the pressing plate in the interior has a certain pressing effect, the up-down fixing cylinders are further fixed by the middle fixing spring, so that the position of the pipe in the fixing cylinder is more stable and reliable, and the butt joint of the welding end face is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural diagram of the utility model;

[0020] Figure 2 It is Figure 1 A-A view in the middle;

[0021] Figure 3 It is Figure 1 B view in the middle;

[0022] Figure 4 It is Figure 1 C-C sectional view in the middle;

[0023] Among them, the up fixing cylinder 1; the down fixing cylinder 2; the hinge 3; the locking part 4; the spring seat 5; the welding area 6; the fixing spring 7; the vertical sliding groove 8; the sliding block 9; the limiting groove 10; the spring groove 11; the lifting spring 12; the pressing plate 13. DETAILED DESCRIPTION

[0024] The utility model will be further illustrated in combination with the drawings and specific embodiments, the embodiment is implemented under the premise of the technical scheme of the utility model, and it should be understood that these embodiments are only used for illustrating the utility model and are not used for limiting the scope of the utility model.

[0025] As Figure 1 And Figure 2As shown, a welding end face fixing tool for welding includes an upper fixing cylinder 1 and a lower fixing cylinder 2, the upper fixing cylinder 1 and the lower fixing cylinder 2 are arranged as upper and lower separated fixing cylinders; and the upper fixing cylinder 1 and the lower fixing cylinder 2 are both arranged as two half-cylinder structures, and one side end is provided with a hinge piece 3, and the other end is provided with a locking piece 4.

[0026] The cylinder wall of the upper fixing cylinder 1 and the lower fixing cylinder 2 is also provided with a spring seat 5 protruding outward, and the positions of the spring seats 5 on the upper fixing cylinder 1 and the lower fixing cylinder 2 are corresponding, the upper fixing cylinder 1 is correspondingly installed above the welding area 6, and the lower fixing cylinder 2 is correspondingly installed below the welding area 6, and the spring seats 5 above and below are correspondingly provided with a fixing spring 7, and the upper fixing cylinder 1 and the lower fixing cylinder 2 are tightly fixed above and below the welding area 6 by the fixing spring 7.

[0027] The device includes an upper fixing cylinder and a lower fixing cylinder, and both of the fixing cylinders are arranged as hinge half-cylinder structures, and the outer wall of the cylinder body is provided with a spring seat, the positions of the spring seats on the upper and lower fixing cylinders are corresponding, and the corresponding spring seats are provided with a fixing spring, in specific work, the upper and lower pipes required for welding are respectively placed in the upper and lower two fixing cylinders, the upper and lower fixing seats are correspondingly tightly fixed by the pulling force of the fixing spring, so that the welding end faces of the pipes in the two fixing cylinders are aligned and connected, and then they can be placed on the ground for welding, since the two pipes are tightly fixed, the welding end faces are also correspondingly aligned, and the overall structure is very reasonable and stable.

[0028] As shown in Figure 3 and Figure 4 , the upper fixing cylinder 1 and the lower fixing cylinder 2 are each provided with four spring seats 5, and the fixing spring 7 is correspondingly provided with four.

[0029] The spring seat 5 can move up and down on the outer wall of the fixing cylinder; the outer wall of the fixing cylinder is also provided with a vertical sliding groove 8, and the spring seat 5 is correspondingly provided with a sliding block 9 extending into the vertical sliding groove 8, the sliding block 9 can move up and down, and is correspondingly fixed in the vertical sliding groove 8.

[0030] The vertical sliding groove 8 on the outer wall of the fixing cylinder is also provided with a vertical row of limiting grooves 10, when the sliding block 9 slides up and down in the vertical sliding groove 8, the sliding block 9 can be correspondingly placed in the limiting groove 10, so as to fix the sliding block 9 and the spring seat 5.

[0031] The limiting grooves 10 on each vertical sliding groove 8 are correspondingly provided with five evenly spaced ones.

[0032] The device is further provided with a spring seat which can be adjusted in up-down position, and the outer wall of the up-down fixing cylinder is further provided with a vertical sliding groove, and the spring seat is provided with a sliding block which is embedded in the sliding groove, the sliding block can move up and down with the spring seat, and the vertical sliding groove is further provided with a limiting groove, when the sliding block moves up and down to the position of the limiting groove, the sliding block can be directly embedded in the limiting groove, then the up-down fixing cylinders are placed at the positions of the up-down branches, and the position of the spring seat is adjusted, so that the middle fixing spring generates a certain tension to tightly fix the two fixing cylinders together; through the spring seat which can be adjusted in up-down position, the end face butt joint condition of some large size pipe can be adapted, so as to avoid that the fixing spring cannot generate tension or generates large tension, and the pipe is damaged or moved.

[0033] The inner part of the up fixing cylinder 1 and the down fixing cylinder 2 is further provided with a spring groove 11 which is uniformly spaced, the spring groove 11 is vertically placed, and the up fixing cylinder 1 and the down fixing cylinder 2 are further provided with a lifting spring 12 and a pressing plate 13 which are installed in each spring groove 11, the pressing plate 13 is vertically placed and is lifted inwards under the action of the lifting spring 12.

[0034] The up fixing cylinder 1 and the down fixing cylinder 2 are correspondingly provided with four spring grooves 11, and each semicircular cylinder is provided with two spring grooves 11.

[0035] The device is provided with the combination of the spring seat and the fixing spring, and the spring groove is further provided in the up-down fixing cylinder, the pressing plate and the lifting spring are installed in the spring groove, when the up fixing cylinder and the down fixing cylinder are installed, the pressing plate in the inner part has a certain pressing effect, the up-down fixing cylinder is further fixed by the middle fixing spring, so that the position of the pipe in the fixing cylinder is more stable and reliable, and the butt joint of the welding end face is more stable.

[0036] The above specific embodiment is only a preferred embodiment of the utility model, and is not used to limit the implementation and the claim range of the utility model, and any equivalent change and modification according to the utility model patent protection range content should be included in the utility model patent application range.

Claims

1. A welding end face fixing tool for welding, characterized by: It comprises an upper fixing cylinder (1) and a lower fixing cylinder (2), the upper fixing cylinder (1) and the lower fixing cylinder (2) are arranged as separate fixing cylinders, and the upper fixing cylinder (1) and the lower fixing cylinder (2) are both arranged as two half-cylinder structures, and one side end is provided with a hinge (3), and the other end is provided with a locking piece (4); The cylinder wall of the upper fixing cylinder (1) and the lower fixing cylinder (2) is also provided with a spring seat (5) protruding outward, and the positions of the spring seats (5) on the upper fixing cylinder (1) and the lower fixing cylinder (2) are corresponding, the upper fixing cylinder (1) is correspondingly installed above the welding area (6), and the lower fixing cylinder (2) is correspondingly installed below the welding area (6), and the spring seats (5) above and below are correspondingly provided with a fixing spring (7), and the upper fixing cylinder (1) and the lower fixing cylinder (2) are tightly fixed above and below the welding area (6) through the fixing spring (7).

2. The welding face fixing tool for welding according to claim 1, characterized in that: The upper fixing cylinder (1) and the lower fixing cylinder (2) are each provided with four spring seats (5), and the fixing spring (7) is correspondingly provided with four.

3. The welding face fixation tool for welding according to claim 1, characterized in that: The spring seat (5) can move up and down on the outer wall of the fixing cylinder, the outer wall of the fixing cylinder is also provided with a vertical sliding groove (8), and the spring seat (5) is correspondingly provided with a sliding block (9) extending into the vertical sliding groove (8), the sliding block (9) can move up and down, and is correspondingly fixed in the vertical sliding groove (8).

4. The welding face fixation tool for welding according to claim 3, wherein: The vertical sliding groove (8) on the outer wall of the fixing cylinder is also provided with a vertical row of limiting grooves (10), when the sliding block (9) slides up and down in the vertical sliding groove (8), the sliding block (9) can be placed in the limiting groove (10) correspondingly, so as to fix the sliding block (9) and the spring seat (5).

5. The welding face fixation tool for welding according to claim 4, wherein: The limiting grooves (10) on each vertical sliding groove (8) are correspondingly provided with five evenly spaced ones.

6. The welding face fixation tool for welding according to claim 1, wherein: The inside of the upper fixing cylinder (1) and the lower fixing cylinder (2) is also provided with evenly spaced spring grooves (11), the spring grooves (11) are vertically placed, and each spring groove (11) is also correspondingly provided with a lifting spring (12) and a pressing plate (13), the pressing plate (13) is vertically placed, and is lifted inward under the action of the lifting spring (12).

7. The welding face fixation tool for welding according to claim 6, wherein: The upper fixing cylinder (1) and the lower fixing cylinder (2) are correspondingly provided with four spring grooves (11) inside, and each half-cylinder body is provided with two spring grooves (11).