CN220480621U - Welding tool for controlling welding deformation of front end of underframe - Google Patents
Welding tool for controlling welding deformation of front end of underframe Download PDFInfo
- Publication number
- CN220480621U CN220480621U CN202322341488.1U CN202322341488U CN220480621U CN 220480621 U CN220480621 U CN 220480621U CN 202322341488 U CN202322341488 U CN 202322341488U CN 220480621 U CN220480621 U CN 220480621U
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- welding
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- clamping
- clamping surface
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- 238000003466 welding Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000012797 qualification Methods 0.000 description 5
- 230000008439 repair process Effects 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a welding tool for controlling welding deformation of the front end of a chassis, belongs to the technical field of auxiliary welding tools for rail transit vehicles, and is used for solving the technical problem of controlling the welding deformation of a welding part during welding in the prior art; the fixture comprises a fixture body with a clamping surface, wherein a plurality of process through holes are formed in the fixture body, a sleeve is fixedly connected to the side wall of each process through hole, a clamp is arranged on the sleeve in a penetrating mode, a clamping plate forming a clamping space with the clamping surface is arranged at the top end of the clamp, so that the clamping plate can move towards the clamping surface in a working state, and workpieces are clamped on the front side and the back side of the workpiece in a bidirectional mode.
Description
Technical Field
The utility model relates to the technical field of auxiliary welding tools for rail transit vehicles, in particular to a welding tool for controlling welding deformation of the front end of a chassis.
Background
In the manufacturing process of the front end of the chassis of the aluminum alloy vehicle body, when the lower cover plate of the front end of the chassis is welded, a weldment is welded in a free state, the welding is regulated after the welding is finished, a method of hammering after needle welding is generally used, and the thicker the plate is, the larger the stress is, the repeated hammering is required continuously, the labor intensity is high, the certain danger is brought, the method of flame regulation is generally used for the position of the concave after needle welding after supporting, the heating and cooling time of the weldment is as long as 3 hours, if the primary regulation is not qualified, the effect of the two regulation methods on the position far from the welding line is better, the effect is worse when the position is closer to the welding line, the surface of the regulated weldment is uneven, and the surface of the regulated weldment is quite unattractive;
therefore, based on the above-mentioned problems, how to control the welding deformation of the welding member becomes an important technical problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a welding tool for controlling welding deformation of the front end of a chassis, which is used for improving the one-time qualification rate of products, reducing the repair time and shortening the production period.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model discloses a rail transit vehicle welding auxiliary tool, which comprises:
the fixture comprises a fixture main body with a clamping surface, wherein a plurality of process through holes are formed in the fixture main body, a sleeve is fixedly connected to the side wall of each process through hole, a clamp is arranged on the sleeve in a penetrating mode, a clamping plate which forms a clamping space with the clamping surface is arranged at the top end of the clamp, so that the clamping plate moves towards the clamping surface in a working state, and the workpiece is clamped in the front side and the back side of the workpiece in a two-way mode.
Further, the clamping surface is located at the edge position of the tool main body and the middle part of the tool main body, and is fixedly connected with a pressing block at intervals and used for being in contact with the surface of the workpiece.
Furthermore, the tooling main body is also provided with a lightening hole, and a reinforcing beam is fixedly connected in the lightening hole.
Further, the clamp is of a rod-shaped body structure, one end of the clamp is welded with the clamping plate, the other end of the clamp is provided with external threads, the external threads are in threaded connection with nuts, and the nuts are in contact with the end part of the sleeve through gaskets.
Further, the tool main body is far away from the side of the clamping surface and is fixedly connected with hanging rings at intervals.
In the technical scheme, the auxiliary welding tool for the rail transit vehicle has the beneficial effects that:
the welding auxiliary tool for the rail transit vehicle is characterized in that a pressing block on a tool main body is used for applying downward pressure to the post-welding bulge position, a clamping plate of the clamp is used for applying upward tension to the welding recess position, the tension and the pressure are mutually related, the larger the tension is, the larger the pressure is, the influence of welding stress on welding parts is eliminated by precisely controlling each deformation position on the welding parts, the primary qualification rate of the products is improved, the repair time is shortened, the production period is shortened, the primary qualification rate of the welding parts after welding reaches 100% after the tool is applied, the repair time is saved, the production cost is reduced, and the welding auxiliary tool plays a great role in improving the product quality.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is an isometric view of a rail transit vehicle welding auxiliary tool disclosed by the utility model;
FIG. 2 is another perspective isometric view of the disclosed rail transit vehicle welding auxiliary tool;
fig. 3 is a front view of the welding auxiliary tool for the rail transit vehicle disclosed by the utility model.
Reference numerals illustrate:
1. a tool main body; 2. reinforcing beams; 3. a hanging ring; 4. a clamp; 5. a sleeve; 6. a gasket; 7. a nut; 8. briquetting; a clamping surface 9; a splint 10.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
See fig. 1, 2;
the utility model discloses an auxiliary welding tool for rail transit vehicles, which comprises the following components:
the fixture comprises a fixture main body 1 with a clamping surface 9, wherein the fixture main body 1 is provided with a plurality of process through holes, the side walls of the process through holes are fixedly connected with a sleeve 5, the sleeve 5 is provided with a clamp 4 in a penetrating manner, and the top end of the clamp 4 is provided with a clamping plate 10 which forms a clamping space with the clamping surface 9, so that in a working state, the clamping plate 10 moves towards the clamping surface 9, and the workpiece is clamped in both directions on the front side and the back side of the workpiece.
Specifically, referring to fig. 1, in this structure, the tool main body 1 is in a plate-shaped body structure, and the shape of the tool main body 1 can be selected according to the shape of the workpiece, which is not limited to the waist trapezoid structure in this embodiment;
the lower surface of the tool main body 1 is provided with a clamping surface 9, wherein the tool main body 1 is provided with a plurality of process through holes, the side wall of each process through hole is fixedly connected with a sleeve 5, and the process through holes not only provide mounting positions for the sleeves 5, but also facilitate the reduction of the whole weight of the tool;
the clamp 4 is penetrated in the sleeve 5, the clamping plate 10 is welded at the top end of the clamp 4, a clamping space is formed between the clamping plate 10 and the clamping surface 9, and when a workpiece is clamped, the clamping plate 10 is displaced towards the clamping surface 9, so that the workpiece is clamped on the front side and the back side of the workpiece in a bidirectional manner.
Referring to fig. 2, preferably, the clamping surface 9 is located at the edge position of the tool main body 1 and is fixedly connected with the pressing block 8 at intervals in the middle part, so as to be in contact with the surface of the workpiece.
Preferably, the tooling main body 1 is further provided with a lightening hole, the lightening hole is internally fixedly connected with a reinforcing beam 2, and the structural strength of the lightening hole is provided through the reinforcing beam 2, so that the reliability of the structure of the tooling main body 1 is improved.
Referring to fig. 3, preferably, the clamp 4 is of a rod-shaped structure, one end of the clamp is welded with a clamping plate 10, the other end of the clamp is provided with external threads, the external threads are in threaded connection with a nut 7, the nut 7 is in contact with the end of the sleeve 5 through a gasket 6, when the clamp is used, the clamp 4 is arranged in the sleeve 5 in a penetrating manner, the clamping plate 10 is positioned on one side of the sleeve 5, the nut 7 is positioned on the other side of the sleeve 5, and the clamping force is provided by the nut 7 through adjusting the matching travel of the nut 7 and the external threads.
Referring to fig. 1, preferably, the tool main body 1 is far away from the clamping surface 9 side and is fixedly connected with a hanging ring 3, and the tool main body 1 is conveniently transferred to a working site through the connection of the hanging ring 3 and external lifting equipment, so that the tool is convenient to use.
In the technical scheme, the auxiliary welding tool for the rail transit vehicle has the beneficial effects that:
the rail transit vehicle welding auxiliary tool applies downward pressure to the post-welding bulge position through the pressing block 8 on the tool main body 1, applies upward tension to the welding recess position through the clamping plate 10 of the clamp 4, and is mutually related with the pressure, the larger the tension is, the larger the pressure is, the influence of welding stress on welding parts is eliminated through the accurate control of each deformation position on the welding parts, the primary product qualification rate is improved, the repair time is shortened, the production period is shortened, the post-welding primary product qualification rate of the welding parts reaches 100% after the tool is applied, the repair time is saved, the production cost is reduced, and the large effect is exerted on the improvement of the product quality.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (5)
1. Welding frock of control chassis front end welding deformation, its characterized in that includes:
the fixture comprises a fixture main body (1) with a clamping surface (9), wherein a plurality of process through holes are formed in the fixture main body (1), a sleeve (5) is fixedly connected to the side wall of each process through hole, a clamp (4) is arranged on the sleeve (5) in a penetrating mode, a clamping plate (10) forming a clamping space with the clamping surface (9) is arranged at the top end of the clamp (4), and in a working state, the clamping plate (10) moves towards the clamping surface (9) so as to clamp a workpiece in a bidirectional mode on the front side and the back side of the workpiece.
2. The welding fixture for controlling welding deformation of the front end of a chassis according to claim 1, wherein the welding fixture comprises;
the clamping surface (9) is positioned at the edge position of the tool main body (1) and is fixedly connected with a pressing block (8) at intervals in the middle part and used for being in contact with the surface of the workpiece.
3. The welding fixture for controlling welding deformation of the front end of a chassis according to claim 1, wherein the welding fixture comprises;
the fixture is characterized in that the fixture body (1) is further provided with a lightening hole, and a reinforcing beam (2) is fixedly connected in the lightening hole.
4. The welding fixture for controlling welding deformation of the front end of a chassis according to claim 1, wherein the welding fixture comprises;
the clamp (4) is of a rod-shaped body structure, one end of the clamp is welded with the clamping plate (10), the other end of the clamp is provided with external threads, the external threads are in threaded connection with nuts (7), and the nuts (7) are in contact with the end part of the sleeve (5) through gaskets (6).
5. A welding fixture for controlling welding deformation of a front end of a chassis according to any one of claims 1 to 4, wherein;
and the tool main body (1) is far away from the side interval of the clamping surface (9) and is fixedly connected with the hanging ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322341488.1U CN220480621U (en) | 2023-08-30 | 2023-08-30 | Welding tool for controlling welding deformation of front end of underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322341488.1U CN220480621U (en) | 2023-08-30 | 2023-08-30 | Welding tool for controlling welding deformation of front end of underframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220480621U true CN220480621U (en) | 2024-02-13 |
Family
ID=89831251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322341488.1U Active CN220480621U (en) | 2023-08-30 | 2023-08-30 | Welding tool for controlling welding deformation of front end of underframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220480621U (en) |
-
2023
- 2023-08-30 CN CN202322341488.1U patent/CN220480621U/en active Active
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