Welding fixture

By combining an electric push rod and gear system with a manual limit mechanism, the welding fixture is automatically adjusted and can be clamped in multiple diameters. This solves the problems of stability and efficiency of existing welding fixtures when fixing round pipes of different diameters, and improves welding accuracy and safety.

CN223748910UActive Publication Date: 2026-01-02HEFEI XINYI WELDING TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520014255.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-04
Publication Date
2026-01-02
Estimated Expiration
2035-01-04

AI Technical Summary

Technical Problem

Existing welding fixtures are not stable enough when fixing round pipes of different diameters, and manual adjustment is labor-intensive and reduces production efficiency.

Method used

It adopts an electric push rod to drive the rack and gear system, combined with a manual limit mechanism, to achieve automatic adjustment and multi-diameter adaptive clamping. The electric push rod and rack drive the turntable to rotate, and the manual limit slide rod fixes it, which can adapt to round tubes of different diameters.

Benefits of technology

It improves welding efficiency, reduces the labor intensity of operators, enhances welding accuracy and safety, and is adaptable to fixing round pipes of different diameters.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223748910U_ABST
    Figure CN223748910U_ABST
Patent Text Reader

Abstract

The welding clamp comprises a mounting frame, a rotary table and a clamping mechanism, an electric push rod is arranged on one side of the interior of the mounting frame, a rack is mounted at the output end of the electric push rod and penetrates through the top of the mounting frame, the rotary table is mounted at the top of the mounting frame through a bearing, a rotating wheel is mounted at one end of the rotary table, and a limiting hole is formed in the outer portion of the rotating wheel in a surrounding mode; a gear is mounted at one end of the rotating wheel, a locking mechanism is arranged on one side of the top of the mounting frame and comprises a base, a wrench and a sliding rod, the wrench is mounted on the top of the base through a rotating shaft, the sliding rod is mounted on one side of the bottom of the wrench through a hinge, and a clamping mechanism is mounted on the top of the rotary table and comprises a fixing base, a cross arm and a fixing bolt. When the automatic welding device is used, convenience of manual operation is reserved, efficient and accurate automatic adjustment is achieved through electric driving, welding efficiency is greatly improved, dependence on physical strength of operators is reduced, labor intensity is lowered, and working safety is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to welding technical field, concretely is a kind of welding fixture. BACKGROUND

[0002] In the existing welding process, welding fixture is as important tool for fixing workpiece and ensuring welding accuracy, and its performance directly affects welding quality and production efficiency. There are various welding fixtures on the market, and the more common one is to adjust the position and angle of the fixture manually to adapt to the welding needs of different workpieces.

[0003] Through retrieval, patent announcement No. CN219426077U discloses a steel pipe welding fixture equipment. Although CN219426077U has good practicability in use, it is found that the device is fixed by inserting a simple insertion rod into a round hole, the fixing method lacks stability, and an arc plate is used to fix the bottom of the round pipe. The arc plate can only contact the round pipe with appropriate diameter, and cannot effectively fix the round pipe with different diameters. Manual adjustment of the fixture requires a lot of manpower and time, especially when dealing with a large number of or complex workpieces, which significantly reduces the overall efficiency of the production line. In view of this, we propose a welding fixture to solve the existing problems. SUMMARY

[0004] The utility model aims at providing a welding fixture to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a welding fixture, comprising a mounting frame, a rotary table and a clamping mechanism, the inside of the mounting frame is provided with an electric push rod on one side, the output end of the electric push rod is provided with a rack, the rack penetrates the top of the mounting frame, the top of the mounting frame is provided with a rotary table through a bearing, one end of the rotary table is provided with a rotating wheel, a limiting hole is formed around the outside of the rotating wheel, one end of the rotating wheel is provided with a gear, the top of the mounting frame is provided with a locking mechanism on one side, the locking mechanism comprises a base, a wrench and a sliding rod, the top of the base is provided with a wrench through a rotating shaft, the bottom of the wrench is provided with a sliding rod on one side through a hinge, the top of the rotary table is provided with a clamping mechanism, the clamping mechanism comprises a fixed seat, a cross arm and a fixing bolt.

[0006] Preferably, the rack is provided with a sliding rail on one side, and the rack is connected with the mounting frame through the sliding rail.

[0007] Preferably, the gear is engaged with the rack.

[0008] Preferably, the sliding rod penetrates one end of the base and extends into the inside of the limiting hole.

[0009] Preferably, the cross arm is mounted on one side of the top of the fixed seat, and a fixing bolt is mounted on one side of the top of the cross arm.

[0010] Compared with the prior art, the application has the following advantages:

[0011] 1. The utility model discloses a convenient manual operation is reserved, and high efficiency, accurate automatic adjustment is realized through electric drive, welding efficiency is greatly improved, the dependence on the physical strength of operating personnel is reduced, labor intensity is reduced, and work safety is improved.

[0012] 2. The utility model discloses when needing the rotation of the rotary table is limited, the wrench is pulled to one side, and the wrench moves to one side through the hinge and drives the slide rod, is inserted into the inside of the limiting hole, can complete the location of the rotary table, and this mode is better.

[0013] 3. The utility model discloses a fixed seat adopts triangular recess design, and the circular tube fixed type can be better clamped, can adapt to circular pipes of different diameters, and is better in universality. ACCURACY OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is another partial three-dimensional schematic view of the utility model;

[0016] Figure 3 It is an enlarged schematic view of the locking mechanism of the utility model;

[0017] Figure 4 It is a clamping mechanism schematic view of the utility model.

[0018] In the drawing: 1, mounting frame; 101, electric push rod; 102, rack; 2, locking mechanism; 201, base; 202, wrench; 203, slide rod; 3, rotary table; 301, rotating wheel; 302, gear; 303, limiting hole; 4, clamping mechanism; 401, fixed seat; 402, cross arm; 403, fixing bolt. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings Figures 1-4 The application will be further described in detail.

[0020] It should be noted that the drawings are schematic and not drawn to scale. For the sake of clarity and convenience in the drawing, the relative size and scale of the parts shown in the drawing are exaggerated or reduced in size for illustration, and any size is only exemplary and not limiting. In addition, the same reference numerals are used for the same structures, elements or accessories appearing in two or more drawings to represent similar features.

[0021] The embodiment of the application discloses a welding fixture, which comprises a mounting frame 1, a rotating table 3 and a clamping mechanism 4, one side of the inside of the mounting frame 1 is provided with an electric push rod 101, the output end of the electric push rod 101 is provided with a rack 102, the rack 102 penetrates through the top of the mounting frame 1, the top of the mounting frame 1 is provided with the rotating table 3 through a bearing, one end of the rotating table 3 is provided with a rotating wheel 301, a limiting hole 303 is formed around the outside of the rotating wheel 301, one end of the rotating wheel 301 is provided with a gear 302, one side of the top of the mounting frame 1 is provided with a locking mechanism 2, the locking mechanism 2 comprises a base 201, a wrench 202 and a sliding rod 203, the top of the base 201 is provided with the wrench 202 through a rotating shaft, one side of the bottom of the wrench 202 is provided with the sliding rod 203 through a hinge, the top of the rotating table 3 is provided with the clamping mechanism 4, the clamping mechanism 4 comprises a fixed seat 401, a cross arm 402 and a fixed bolt 403.

[0022] The principle of the embodiment of the application is that when in use, the round pipe workpiece is placed on the clamping mechanism 4, the rotating fixed bolt 403 can fix the top of the round pipe, so that the round pipe is clamped on the fixed seat 401, and the fixing of the round pipe is completed, because the fixed seat 401 adopts a triangular groove design, it can adapt to round pipes of different diameters, and the universality is better, when the worker needs to turn over the workpiece, the rotating wheel 301 can be held to rotate the rotating table 3, or the electric push rod 101 can be started, the rack 102 is vertically moved by the electric push rod 101, the gear 302 is rotated when the rack 102 is vertically moved, and then the rotating table 3 is rotated, electric control rotation is realized, the electric push rod 101 stops when rotating to a specified position, when the rotation of the rotating table 3 needs to be limited, the wrench 202 is pulled to one side, the sliding rod 203 is moved to one side through the hinge of the wrench 202, and is inserted into the inside of the limiting hole 303, so that the limiting of the rotating table 3 is completed, the stability is better, when the device is used, the convenience of manual operation is retained, efficient and accurate automatic adjustment is realized through electric driving, the welding efficiency is greatly improved, the dependence on the physical strength of the operator is reduced, the labor intensity is reduced, and the work safety is improved.

[0023] Referring to Figure 1 , one side of the rack 102 is provided with a sliding rail, and the rack 102 is slidably connected with the mounting frame 1 through the sliding rail, because the rack 102 is slidably connected with the mounting frame 1 through the sliding rail, the stability of the rack 102 can be improved when the rack 102 is vertically moved.

[0024] Referring to Figure 2 , the gear 302 is engaged with the rack 102, because the gear 302 is engaged with the rack 102, the gear 302 can be rotated when the rack 102 is vertically moved, and then the rotating table 3 is rotated.

[0025] Referring to Figure 3The slide rod 203 penetrates one end of the base 201 and extends to the inside of the limiting hole 303, and the slide rod 203 penetrating the base 201 can improve the stability of the slide rod 203 inserted into the inside of the limiting hole 303, so as to better fix the position of the rotating table 3.

[0026] With reference to Figure 4 The cross arm 402 is installed on one side of the top of the fixed seat 401, and the fixed bolt 403 is installed on one side of the top of the cross arm 402, the cross arm 402 can provide an installation position for the fixed bolt 403, and the fixed bolt 403 can be vertically moved by rotating the fixed bolt 403, so that the circular workpiece can be clamped for welding processing by the worker.

[0027] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0028] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0029] Secondly: the utility model discloses the embodiment of the drawings, only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0030] Finally: the above-mentioned is only the preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A welding fixture, comprising a mounting frame (1), a turntable (3), and a clamping mechanism (4), characterized in that: An electric push rod (101) is provided on one side of the interior of the mounting bracket (1). A rack (102) is installed at the output end of the electric push rod (101). The rack (102) passes through the top of the mounting bracket (1). A turntable (3) is mounted on the top of the mounting bracket (1) via a bearing. A wheel (301) is installed at one end of the turntable (3). Limiting holes (303) are formed around the outside of the wheel (301). A gear (302) is installed at one end of the wheel (301). A locking mechanism (2) is provided on one side of the top of the mounting bracket (1). The locking mechanism (2) includes a base (201), a wrench (202) and a slide bar (203). The wrench (202) is mounted on the top of the base (201) via a pivot. The slide bar (203) is mounted on the bottom side of the wrench (202) via a hinge. A clamping mechanism (4) is installed on the top of the turntable (3). The clamping mechanism (4) includes a fixed seat (401), a cross arm (402) and a fixing bolt (403).

2. The welding fixture according to claim 1, characterized in that: A slide rail is provided on one side of the rack (102), and the rack (102) is slidably connected to the mounting bracket (1) through the slide rail.

3. A welding fixture according to claim 1, characterized in that: The gear (302) meshes with the rack (102).

4. A welding fixture according to claim 1, characterized in that: The slide bar (203) passes through one end of the base (201) and extends into the limiting hole (303).

5. A welding fixture according to claim 1, characterized in that: The cross arm (402) is mounted on the top side of the fixed base (401), and a fixing bolt (403) is installed on the top side of the cross arm (402).

Citation Information

Patent Citations

  • Steel pipe welding clamp equipment

    CN219426077U