A fixed tooling for argon arc welding

The multi-axis adjustable welding fixture system addresses the challenge of aligning and welding varied-sized pipe components by providing precise alignment and secure fixation, enhancing welding efficiency and reducing costs.

CN114682888BActive Publication Date: 2025-07-15CHINA NUCLEAR CONTROL SYST ENG
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Patent Information

Application Number
CN202011620262.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-12-31
Publication Date
2025-07-15
Estimated Expiration
2040-12-31

AI Technical Summary

Technical Problem

In the prior art, it is difficult to weld parts of the core detector assembly, and it is difficult to dock and inaccurate. In particular, it is difficult to use single-point welding fixing tooling to weld quickly, conveniently and accurately.

Method used

A fixed tool for argon arc welding is designed, including a fixed base plate, a first unit, a second unit and a third unit. Through the combination of guide rail and lead screw, the parts are adjusted in the three directions of X, Y and Z to ensure accurate docking of the bevel.

Benefits of technology

Accurate welding of various small-size parts is achieved, which simplifies the operation process, reduces costs, and improves welding efficiency and quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of welding tooling, and particularly to a TIG welding fixing tooling. The TIG welding fixing tooling includes a fixed bottom plate, and a first unit, a second unit and a third unit sequentially arranged on the fixed bottom plate; the second unit and the third unit are movably connected to the fixed bottom plate through a transverse guide rail; the first unit includes a fixed support, a longitudinal guide rail, and a first chuck; the second unit includes a first-layer platform, a second-layer platform, a Z-direction guide rail, and an L-shaped block; the third unit includes a second chuck mounting seat and a second chuck; the axes of the first chuck and the second chuck are located in the same XZ plane. The present invention is applicable to different small-size laser spot welding toolings, can enable a laser spot welding machine to accurately and conveniently perform spot welding on welded parts, and is simple to use and low in cost.
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Description

Technical Field

[0001] The present invention relates to the technical field of welding tooling, and particularly to a TIG welding fixing tooling. Background Art

[0002] At present, the core detector assembly is formed by TIG welding a variety of tubular parts with different shapes and small sizes. Since the parts are relatively thin, the welding difficulty is high, and now the requirements for the weld quality are getting higher and higher.

[0003] For such welded parts, there are problems of difficult, inaccurate, time-consuming and laborious groove butt joints. Especially for a variety of welded parts with different sizes, a single spot welding fixing tooling is difficult to solve the problem. Therefore, a tooling that can quickly, conveniently and accurately perform groove butt joints and fix various tubular parts is needed. Summary of the Invention

[0004] The technical problem to be solved by the present invention is: to provide a TIG welding fixing tooling, which is applicable to different small-sized laser spot welding toolings, can enable a laser spot welding machine to accurately and conveniently perform spot welding on welded parts, and is simple to use and low in cost.

[0005] The present invention provides a TIG welding fixing tooling, including: a fixed bottom plate, and a first unit, a second unit and a third unit sequentially arranged on the fixed bottom plate; the second unit and the third unit are movably connected to the fixed bottom plate through a transverse guide rail,

[0006] The first unit includes: a fixed support seat arranged on the fixed bottom plate;

[0007] A longitudinal guide rail arranged on the fixed support seat along the Z direction;

[0008] A first chuck movably connected to the longitudinal guide rail and moving along the Z direction on the longitudinal guide rail;

[0009] The second unit includes: a first layer platform, the bottom of which is provided with a slider and moves in the X direction on the transverse guide rail;

[0010] A second layer platform arranged on the first layer platform and moving in the Y direction through a bottom guide rail slider group;

[0011] A vertical mounting plate is fixedly connected to the second layer platform, and a Z-direction guide rail is mounted on the mounting plate,

[0012] An L-shaped block movably connected to the Z-direction guide rail and moving along the Z direction on the Z-direction guide rail;

[0013] The third unit includes:

[0014] A second chuck mounting seat, the bottom of which is provided with a slider and moves in the X direction on the transverse guide rail;

[0015] The second chuck, which is fixed on the second chuck mounting seat;

[0016] The axes of the first chuck and the second chuck are located in the same XZ plane.

[0017] Preferably, the first unit further includes: a first chuck mounting seat, a first bearing fixing seat and a first lead screw;

[0018] The first chuck mounting seat is arranged on the longitudinal guide rail and moves along the Z direction of the guide rail;

[0019] The first chuck is fixed on the first chuck mounting surface, and the first chuck is movably connected to the longitudinal guide rail through the first chuck mounting seat;

[0020] The mounting surface of the first chuck is perpendicular to the mounting surface of the longitudinal guide rail;

[0021] The first bearing fixing seat is arranged at both ends of the fixed support and is used to fix the first lead screw;

[0022] The first lead screw is connected to a lead screw slider arranged on the back of the first chuck mounting seat to control the movement of the first chuck mounting seat.

[0023] Preferably, the first chuck mounting seat is L-shaped.

[0024] Preferably, the first chuck mounting seat is arranged on the longitudinal guide rail through a slider group.

[0025] Preferably, the second unit further includes: an L-shaped block mounting plate, a lead screw slider, and a second lead screw;

[0026] The L-shaped block is movably connected to the Z-direction guide rail through the L-shaped block mounting plate;

[0027] The L-shaped block mounting plate is provided with a slider on the back, and the slider is movably connected to the Z-direction guide rail to realize movement on the Z-direction guide rail; the L-shaped block is mounted on the L-shaped block mounting plate;

[0028] Second bearing fixing seats are mounted at the upper and lower ends of the mounting plate and are connected to the second lead screw;

[0029] A lead screw slider is mounted on the back of the protruding part of the L-shaped block mounting plate, and the second lead screw is connected to the lead screw slider to control the movement of the L-shaped block along the Z direction by rotating the second lead screw.

[0030] Preferably, the second unit further includes: a first lead screw fixing seat, a second bearing fixing seat, and a third lead screw;

[0031] A first lead screw fixing seat is installed on the first-layer platform, and the second fixed bearing seat is installed on the second-layer platform.

[0032] The third lead screw passes through the first lead screw fixing seat and is connected to the second fixed bearing seat. The position of the second-layer platform in the Y direction is controlled by rotating the third lead screw.

[0033] Preferably, the third unit further includes: a second lead screw fixing seat, a third bearing fixing seat, and a fourth lead screw;

[0034] The second lead screw fixing seat is arranged on the fixed base plate 1;

[0035] The chuck mounting surface of the second chuck mounting seat is perpendicular to the fixed base plate;

[0036] The third bearing fixing seat is arranged on the bottom platform of the second chuck mounting seat;

[0037] The fourth lead screw passes through the second lead screw fixing seat mounted on the base plate and is connected to the third bearing fixing seat, and is used to control the second chuck mounting seat to move along the X direction.

[0038] Preferably, there is a threaded hole on the second lead screw fixing seat, and the position of the second chuck mounting seat moving along the X direction is controlled by rotating the fourth lead screw.

[0039] Preferably, the centers of the first chuck and the second chuck are on the same line.

[0040] Preferably, the dimensions of the two mutually perpendicular surfaces of the L-shaped block are 15*30 mm respectively, and the thickness of the L-shaped block is 2 mm.

[0041] Compared with the prior art, the argon arc welding fixing tooling of the present invention includes a fixed base plate, and a first unit, a second unit, and a third unit sequentially arranged on the fixed base plate; the second unit and the third unit are movably connected to the fixed base plate through an X-direction guide rail. Through the lateral movement of the second unit and the third unit, the Z-direction movement of the first unit and the second unit, and the Y-direction movement of the second unit, the entire tooling can be adjusted in the positions of the X, Y, and Z directions, playing a role in positioning the joint parts of the welded parts on both sides. It overcomes the problems of difficult, inaccurate, time-consuming and laborious groove butt joint during laser spot welding, is applicable to different small-size laser spot welding toolings, can enable the laser spot welder to accurately and conveniently spot-weld the welded parts, and is simple to use and low in cost. Brief Description of the Drawings

[0042] Figure 1 It shows a schematic structural diagram of the argon arc welding fixing tooling according to an embodiment of the present invention;

[0043] Figure 2Side view showing the second unit;

[0044] Figure 3 Front view showing the second unit. Detailed implementation

[0045] To further understand the present invention, the implementation of the present invention will be described below in conjunction with embodiments. However, it should be understood that these descriptions are only for further explaining the features and advantages of the present invention, rather than limiting the present invention.

[0046] In the present invention, the XYZ directions are the space coordinate system. The X direction is consistent with the length extension direction of the fixed base plate, the Z direction is perpendicular to the surface of the fixed base plate, and the Y direction is consistent with the width extension direction of the fixed base plate.

[0047] An embodiment of the present invention discloses a TIG welding fixing tooling, including: a fixed base plate, and a first unit, a second unit, and a third unit sequentially arranged on the fixed base plate; the second unit and the third unit are movably connected to the fixed base plate through a transverse guide rail.

[0048] The first unit includes: a fixed support, arranged on the fixed base plate;

[0049] A longitudinal guide rail, arranged on the fixed support along the Z direction;

[0050] A first chuck, movably connected to the longitudinal guide rail and moving along the Z direction on the longitudinal guide rail;

[0051] The second unit includes: a first-layer platform, with a slider installed at the bottom and moving in the X direction on the transverse guide rail;

[0052] A second-layer platform, arranged on the first-layer platform and realizing movement in the Y direction through a bottom guide rail slider group;

[0053] A vertical mounting plate is fixedly connected to the second-layer platform, and a Z-direction guide rail is installed on the mounting plate.

[0054] An L-shaped block, movably connected to the Z-direction guide rail and moving along the Z direction on the Z-direction guide rail;

[0055] The third unit includes:

[0056] A second chuck mounting seat, with a slider installed at the bottom and moving in the X direction on the transverse guide rail;

[0057] A second chuck, fixed on the second chuck mounting seat;

[0058] The axes of the first chuck and the second chuck are located in the same XZ plane.

[0059] The argon arc welding fixture of the present invention accurately butt-joints the welded ends of the parts to be welded by adjusting the relative positions of the first unit, the second unit, and the third unit, and they are perfectly fitted together and then welded by a laser electric welding machine.

[0060] The following describes the argon arc welding fixture of the present invention in combination with specific situations. For details, please refer to Figure 1 :

[0061] The argon arc welding fixture includes: a fixed bottom plate 1, and a first unit, a second unit, and a third unit sequentially arranged on the fixed bottom plate; the second unit and the third unit are movably connected to the fixed bottom plate through an X-direction guide rail,

[0062] The first unit includes: a fixed support 2, a longitudinal guide rail 3, a first chuck mounting seat 4, a first lead screw 5, a first bearing fixed seat 6, and a first chuck 7;

[0063] The fixed support 2 is arranged on the fixed bottom plate 1;

[0064] The longitudinal guide rail 3 is arranged on the fixed support 2 along the Z direction;

[0065] The first chuck mounting seat 4 is arranged on the longitudinal guide rail through a slider group and moves along the Z direction of the guide rail; preferably, the first chuck mounting seat 4 is L-shaped.

[0066] The first chuck 7 is movably connected to the longitudinal guide rail 3 through the first chuck mounting seat 4 and moves along the Z direction on the longitudinal guide rail 3; the first chuck 7 is fixed on the first chuck mounting surface;

[0067] The mounting surface of the first chuck 7 is perpendicular to the mounting surface of the longitudinal guide rail 3;

[0068] The first bearing fixed seat 6 is arranged at both ends of the fixed bracket and is used to fix the first lead screw 5;

[0069] The first lead screw 5 is connected to the lead screw slider arranged on the back of the first chuck mounting seat 4 to control the movement of the first chuck mounting seat 5.

[0070] According to the present invention, the first unit can make the first chuck move easily and accurately along the Z direction, aiming to avoid the misalignment during the butt-joint of the two parts to be welded on both sides due to factors such as workpiece precision deviation.

[0071] The second unit includes: a first-layer platform 8, a second-layer platform 9, a mounting plate 10, an L-shaped block mounting plate 11, an L-shaped block 12, a Z-direction guide rail 13, a second lead screw 14, a first lead screw fixed seat 15, a second bearing fixed seat 16, and a third lead screw 17; for details, please refer to Figure 2 and Figure 3 ;

[0072] A first - layer platform 8, with sliders installed at its bottom, moving along the X - direction on the transverse guide rail 18;

[0073] A second - layer platform 9, arranged on the first - layer platform 8, realizing movement in the Y - direction through a bottom guide - rail slider group;

[0074] A vertical mounting plate 10 is fixedly connected to the second - layer platform 9, and a Z - direction guide rail is installed on the mounting plate 10,

[0075] The L - shaped block mounting plate 11 has sliders on its back, and the sliders are movably connected to the Z - direction guide rail, realizing movement on the Z - direction guide rail; The L - shaped block 12 is installed on the L - shaped block mounting plate 11;

[0076] The L - shaped block 12 is movably connected to the Z - direction guide rail 13 through the L - shaped block mounting plate 11, moving along the Z - direction on the Z - direction guide rail 13;

[0077] Preferably, the L - shaped block is formed by one - time processing, with a high surface roughness. The dimensions of the two mutually perpendicular surfaces are 15 * 30 mm respectively, and the thickness of the L - shaped block is 2 mm.

[0078] Second bearing fixing seats 16 are installed at the upper and lower ends of the mounting plate 10, and are connected to the second lead screw 14;

[0079] A lead - screw slider is installed on the back of the protruding part of the L - shaped block mounting plate 11, and the second lead screw 14 is connected to the lead - screw slider. By rotating the second lead screw 14, the movement of the L - shaped block along the Z - direction is controlled.

[0080] A first lead - screw fixing seat 15 is installed on the first - layer platform 8, and the second fixed bearing seat 16 is installed on the second - layer platform 9,

[0081] The third lead screw 17 passes through the first lead - screw fixing seat 15 and is connected to the second fixed bearing seat 16. By rotating the third lead screw 17, the Y - direction position of the second - layer platform 9 is controlled.

[0082] By adjusting the positions in the X, Y, and Z directions, the positioning of the joint parts of the welded parts on both sides is achieved.

[0083] The third unit includes: a second chuck mounting seat 19, a second chuck 20, a second lead - screw fixing seat 21, a third bearing fixing seat 22, and a fourth lead screw 23;

[0084] The second chuck mounting seat 19 has sliders installed at its bottom, moving along the X - direction on the transverse guide rail 18;

[0085] The second chuck 20 is fixed on the second chuck mounting seat 19;

[0086] The chuck mounting surface of the second chuck mounting base 19 is perpendicular to the fixed base plate 1;

[0087] The second lead screw fixing base 21 is arranged on the fixed base plate 1;

[0088] A third bearing fixing base 22 is arranged on the bottom platform of the second chuck mounting base 19;

[0089] The fourth lead screw 23 passes through the second lead screw fixing base 21 mounted on the base plate and is connected to the third bearing fixing base 22, and is used to control the movement of the second chuck mounting base 19 in the X direction.

[0090] There is a threaded hole on the second lead screw fixing base 21, and the position of the second chuck mounting base 19 moving in the X direction is controlled by rotating the fourth lead screw 23.

[0091] The main function of this part is to clamp the part to be welded and move it to the workpiece clamped by the first unit, ensuring that the parts are closely attached without gaps.

[0092] The axes of the first chuck and the second chuck are located in the same XZ plane. Preferably, the centers of the first chuck and the second chuck are on the same line.

[0093] In the present invention, both the first chuck and the second chuck are variable-diameter chucks, adjustable within the range of 0 to 30 mm, that is, they can clamp pipes with an outer diameter of 0 to 30 mm.

[0094] The TIG welding fixing tooling of the present invention adjusts the relative positions of the first unit, the second unit and the third unit by adjusting the lead screw, the slide rail and the L-shaped block, so that the butt joints of the welded ends of the parts to be welded are accurately aligned and perfectly fitted together for laser electric welding.

[0095] The specific operation steps using the TIG welding fixing tooling of the present invention are as follows:

[0096] (1) Place the part to be welded on the second chuck of the third unit, move the first layer platform to make the L-shaped block close to the welded end of the part to be welded on the second chuck, and then adjust the second lead screw, the third lead screw, the first layer platform and the second layer platform so that the welded end of the part to be welded on the second chuck is completely attached to the two surfaces of the L-shaped block.

[0097] (2) Place the part to be welded on the first chuck of the first unit, move the first layer platform to make the L-shaped block close to the welded end of the part to be welded on the first chuck of the first unit, and adjust the first lead screw of the first unit so that the welded end of the part to be welded on the first chuck of the first part is completely attached to the two surfaces of the L-shaped block, and the welded end groove is in the middle of the L-shaped block.

[0098] (3) Move the second chuck mounting base of the third unit so that the welded end of the welded part of the second chuck of the third unit is completely attached to the two surfaces of the L-shaped block until the welded end groove of the welded part of the second chuck on the third unit is attached to the welded end groove of the welded part of the first chuck of the first unit.

[0099] In the present invention, the welded part is fixed by the chuck. By simply changing the diameter that can be clamped by the chuck, welding of welded parts of different sizes can be performed. The L-shaped block with small size and high roughness can meet the spot welding requirements of various small-sized welded parts. Therefore, the present invention can accurately and conveniently weld various pipe-shaped parts with different shapes and small sizes, and the operation process is simple and the manufacturing cost of the device is low.

[0100] The description of the above embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present invention, several improvements and modifications can also be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0101] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to these embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An argon arc welding fixing tooling, characterized in that, Comprising: A fixed base plate, and a first unit, a second unit, and a third unit sequentially arranged on the fixed base plate; The second unit and the third unit are movably connected to the fixed base plate through a transverse guide rail, The first unit includes: a fixed support, arranged on the fixed base plate; A longitudinal guide rail, arranged on the fixed support along the Z direction; A first chuck, movably connected to the longitudinal guide rail and moving along the Z direction on the longitudinal guide rail; The second unit includes: a first-layer platform, with a slider installed at the bottom and moving in the X direction on the transverse guide rail; a second-layer platform, arranged on the first-layer platform and achieving movement in the Y direction through a bottom guide rail slider group; A vertical mounting plate is fixedly connected to the second-layer platform, and a Z-direction guide rail is installed on the mounting plate, An L-shaped block, movably connected to the Z-direction guide rail and moving along the Z direction on the Z-direction guide rail; The third unit includes: A second chuck mounting seat, with a slider installed at the bottom and moving in the X direction on the transverse guide rail; A second chuck, fixed on the second chuck mounting seat; The axes of the first chuck and the second chuck are located in the same XZ plane; The dimensions of the two mutually perpendicular surfaces of the L-shaped block are 15*30 mm respectively, and the thickness of the L-shaped block is 2 mm; The second unit further includes: an L-shaped block mounting plate, a lead screw slider, and a second lead screw; The L-shaped block is movably connected to the Z-direction guide rail through the L-shaped block mounting plate; The L-shaped block mounting plate is provided with a slider on the back, and the slider is movably connected to the Z-direction guide rail to achieve movement on the Z-direction guide rail; the L-shaped block is installed on the L-shaped block mounting plate; Second bearing fixing seats are installed at the upper and lower ends of the mounting plate and connected to the second lead screw; A lead screw slider is installed on the back of the protruding part of the L-shaped block mounting plate, and the second lead screw is connected to the lead screw slider. By rotating the second lead screw, the movement of the L-shaped block along the Z direction is controlled; The second unit further includes: a first lead screw fixing seat, a second bearing fixing seat, and a third lead screw; A first lead screw fixing seat is installed on the first-layer platform, and the second bearing fixing seat is installed on the second-layer platform, The third lead screw passes through the first lead screw fixing seat and is connected to the second bearing fixing seat. By rotating the third lead screw, the Y-direction position of the second-layer platform is controlled; The third unit further includes: a second lead screw fixing seat, a third bearing fixing seat, and a fourth lead screw; The second lead screw fixing seat is arranged on the fixed base plate; The chuck mounting surface of the second chuck mounting seat is perpendicular to the fixed base plate; A third bearing fixing seat is arranged on the bottom platform of the second chuck mounting seat; The fourth lead screw passes through the second lead screw fixing seat installed on the base plate and is connected to the third bearing fixing seat, for controlling the movement of the second chuck mounting seat along the X direction.

2. The argon arc welding fixing tooling according to claim 1, characterized in that, The first unit further includes: a first chuck mounting seat, a first bearing fixing seat, and a first lead screw; The first chuck mounting seat is arranged on the longitudinal guide rail and moves along the Z direction of the guide rail; The first chuck is fixed on the first chuck mounting surface, and the first chuck is movably connected to the longitudinal guide rail through the first chuck mounting seat; The mounting surface of the first chuck is perpendicular to the mounting surface of the longitudinal guide rail; The first bearing fixing seat is arranged at both ends of the fixed support and is used for fixing the first lead screw; The first lead screw is connected to a lead screw slider arranged on the back of the first chuck mounting seat to control the movement of the first chuck mounting seat.

3. The argon arc welding fixing tooling according to claim 2, characterized in that, The first chuck mounting seat is L-shaped.

4. The argon arc welding fixing tooling according to claim 2, characterized in that, The first chuck mounting seat is arranged on the longitudinal guide rail through a slider group.

5. The argon arc welding fixing tooling according to claim 1, characterized in that, There is a threaded hole on the second lead screw fixing seat, and the position of the second chuck mounting seat moving along the X direction is controlled by rotating the fourth lead screw.

6. The argon arc welding fixing tooling according to claim 1, wherein The centers of the first chuck and the second chuck are on the same line.

Citation Information

Patent Citations

  • Butting device for branch pipe with bend and main pipe and production method of butting device

    CN105650390A

  • Three-way valve body overlap welding tool

    CN203900789U

  • Argon arc welding fixing tool

    CN214721350U