CN218487607U - Section bar welding pre-assembly tool - Google Patents
Section bar welding pre-assembly tool Download PDFInfo
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- CN218487607U CN218487607U CN202222500126.8U CN202222500126U CN218487607U CN 218487607 U CN218487607 U CN 218487607U CN 202222500126 U CN202222500126 U CN 202222500126U CN 218487607 U CN218487607 U CN 218487607U
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Abstract
The utility model provides a section bar welding pre-assembling frock, include the frame construction who connects into by polylith frame end to end, one side open end of frame construction is provided with the bottom plate, the stopper with the bottom plate is fixed and is located in the space that bottom plate and frame construction enclose, the stopper with form the recess that holds the welding liner between the frame inside wall, the frock corresponds the interior type muscle position department of section bar is provided with the first groove of dodging. The utility model provides a pair of section bar welding pre-assembly frock carries out pre-assembly with the welding liner to the groove is dodged to the open type muscle, but the integral erection liner improves welding quality and efficiency.
Description
Technical Field
The utility model belongs to the technical field of the welding technique and specifically relates to an aluminum alloy ex-trusions welding pre-assembling frock.
Background
With the development of the rail vehicle technology, the requirement on the running speed of the vehicle is higher and higher, the self weight of the vehicle body is one of important factors influencing the running speed, in order to reduce the self weight of the vehicle, the light weight of the vehicle body material is more and more important, and the aluminum alloy section with light weight and certain strength is widely applied to the vehicle so as to reduce the self weight of the vehicle body. The aluminum alloy section has limited size, when the aluminum alloy section is applied to a vehicle, a plurality of sections are required to be welded to meet the length requirement of a vehicle body, and when the aluminum alloy section is welded to the vehicle body of the railway vehicle, a joint form with a welding liner is required to be adopted to ensure the welding quality. But the space position of the cavity is limited, the size of the welding gasket is small, and the gasket is difficult to install. The clamping of the liner and the edge of the section often influences the angle of a welding gun, so that the spot welding is not firm, and the liner has the risk of falling off in the welding process or after welding. And four welding seams on the periphery of the cavity need four liners, and adjacent liners can block each other during installation, so that the installation efficiency and quality of the liners are influenced. Once the liner drops, can't take out, can cause the abnormal sound in the vehicle operation in-process, influence product quality. Similar problems exist in the welding of profiles in other fields or other materials under the condition of limited welding space.
SUMMERY OF THE UTILITY MODEL
The utility model discloses main aim at solves above-mentioned problem and is not enough, provides a section bar welding pre-assembly frock, with welding liner pre-assembly to the groove is dodged to the open type muscle, but the integral erection liner improves welding quality and efficiency.
In order to realize the utility model purpose, the utility model provides a section bar welding pre-assembling frock, its technical scheme is:
the utility model provides a section bar welding pre-assembling frock, includes the frame construction who is connected into by polylith frame end to end, one side open end of frame construction is provided with the bottom plate, the stopper with the bottom plate is fixed and is located in the space that bottom plate and frame construction enclose, the stopper with form the recess that holds the welding liner between the frame inside wall, the frock corresponds the interior type muscle position department of section bar is provided with the first groove of dodging.
Further, the width and the depth of the groove are determined by the size of the gasket, and the size of the gasket is matched with the cavity of the profile.
Furthermore, the liner is embedded into the groove and is fixed with the frame and/or the limiting block in a spot welding mode.
Further, the width of the first avoidance groove is larger than or equal to the thickness of the inner rib.
Furthermore, the liner is embedded into the groove, and one side edge of the liner is fixed with one side edge of the cavity of the section bar through a flange.
Furthermore, other side edges of the gasket are welded and fixed with the section bar.
Further, set up the second on the gasket and dodge the groove, after the gasket embedding the recess, first dodge the groove and the second dodge the groove and communicate with each other.
Further, the width of the second avoidance groove is larger than or equal to the thickness of the inner rib.
Further, the first avoidance groove comprises one or more cutting grooves formed in the frame.
Further, the first avoidance groove further comprises a through groove corresponding to the limiting block and provided with a cutting groove, and the open end of the through groove is communicated with the cutting groove.
To sum up, the utility model provides a pair of section bar welding is frock of assembling in advance compares with prior art, has following technical advantage:
the liner is preassembled firstly, and is provided with a prefabricated avoidance groove to avoid the inner profile rib of the cavity, so that a splicing structure is formed between the liner and the inner profile rib, the liner is prevented from shifting in the welding process, and the installation simplicity of the liner is improved;
the peripheral gaskets in the cavity are pre-assembled together and then can be integrally installed, the gaskets on the opposite sides of the clamping positions are preferentially tack-welded during tack welding, the welding space is obviously increased, and the tack welding quality is guaranteed;
the installation is rapid and firm;
the relative position of the welding liner and the cavity is not easy to deflect, and the quality control of the subsequent formal welding process is greatly improved;
the pre-assembly tool is simple in overall structure.
Description of the drawings:
FIG. 1: the utility model relates to a structural schematic diagram of a profile welding pre-assembly tool;
in the figure: frame 10, cutting groove 101, stopper 20, logical groove 201, recess 30, first groove 40 of dodging, bottom plate 50.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a section bar welding pre-assembling frock, include the frame construction who connects into by polylith frame 10 end to end, one side open end of frame construction is provided with bottom plate 50, and stopper 20 is fixed and is located the space that bottom plate 50 and frame construction enclose with bottom plate 50, forms the recess 30 that holds the welding liner between stopper 20 and the 10 inside walls of frame, and the interior type muscle position department that the frock corresponds the section bar is provided with firstly dodges groove 40.
The utility model provides a pair of section bar welding pre-assembling frock, as shown in fig. 1, including polylith end to end order frame 10, polylith frame 10 encloses into hollow structure, and the quantity of frame 10 is not limited with the frame construction's that encloses shape, and the corresponding relation and the structural feature of two adjacent section bars when treating welded section bar concrete structure, welding are confirmed, including but not limit rectangle (cross section) frame. In this embodiment, the frames 10 are four, and are connected end to form a hollow frame structure, and a bottom plate 50 is disposed on one side of the open end of the frame structure, and the bottom plate 50 can directly seal the open end of the frame structure, or the bottom plate 50 is a grid plate, so as to reduce material cost and weight. Bottom plate 50 and frame construction form the open box-like structure of one end, and inside the box body, be provided with stopper 20, stopper 20 is fixed with bottom plate 50, and leaves certain clearance between the outer wall of stopper 20 and the inner wall of frame 10, forms the recess 30 that holds the liner.
The liner 20 is also of a hollow structure and is embedded in the groove for positioning and assembling, the shape of the limiting block 20 is matched with that of the liner embedded in the groove 30, the width and the depth of the groove 30 are determined by the size of the liner, the size of the liner is matched with the cavity of the section, and the liner can slightly protrude out of the top surface of the frame 10 after being embedded in the groove 30, so that the welding operation is facilitated. In practical application, the shape and the size of the gasket are determined according to the structural characteristics of the section to be welded and the structural characteristics of the internal profile rib in the cavity, and then the size of the box-shaped structure matched with the gasket is determined.
For making the frock of preassembleing in advance can cooperate with the section bar, make the top surface of frock of preassembleing in advance (including the liner) offset with the bottom surface of the top surface of section bar, effectively support two blocks of section bars that need the welding, on the frock of preassembleing in advance, still be equipped with the first groove 40 of dodging the section bar interior type muscle, first wall lets the quantity and the relative position relation of the position at the interior type muscle by the section bar welding department confirm of groove 40, the height of groove body degree of depth more than or equal to interior type muscle, make frock of preassembleing in advance and section bar equipment back, interior type muscle and the first groove 40 of dodging are pegged graft and are assembled, prescribe a limit to the position of frock of preassembleing in advance on the section bar, prevent vertically (along section bar width direction) to remove. First dodge groove 40 including setting up cutting groove 101 on frame 10, cut cutting groove 101 along the wall body of frame 10 by cutting down, the height of groove body degree of depth more than or equal to interior type muscle, if necessary, can also correspond on stopper 20 and cut position department of cutting groove 101, set up logical groove 201, lead to groove 201 and cut along the lateral wall of stopper 20 to make logical groove 201 communicate with each other with cutting groove 101 at the open end of stopper lateral wall. In practical application, the position and the number of the first avoidance grooves 40 on the pre-assembly tool can be determined according to the structural characteristics of the cavity of the section bar to be welded and the structural characteristics of the joint of the two section bars to be welded, and whether the through groove 201 needs to be arranged on the limiting block 20 is determined, so that after the pre-assembly tool is assembled with the two section bars to be welded, the top surfaces of the pre-assembly tool and the gasket are abutted against the bottom of the top surface of the section bar, and a better supporting and fixing effect is achieved. Further, when first dodging groove 40 including cutting groove 101 and leading to groove 201, or when interior type muscle extends to the liner position, be provided with the second on the liner and dodge the groove, the second dodges the groove along the liner from top to bottom (top surface to bottom surface) degree of depth cutting, the degree of depth is greater than the height of interior type muscle such as, and first dodge the width that groove 40 and second dodge the groove the same, the width/thickness of the interior type muscle that more than or equal to corresponds. When the depth of the second avoiding groove is equal to the height of the gasket, the second avoiding groove divides the gasket into two or more unconnected partition walls, i.e. the gasket comprises a plurality of partition walls, and the second avoiding groove is formed by the space between the adjacent partition walls.
To simplify the offline assembly process, the gasket is of unitary construction prior to pre-assembly, and when a welding operation is to be performed, the gasket is inserted into the groove 30, and a second relief groove is machined in the gasket along the cutting groove 101 using a grinding blade or milling cutter. After the gasket and the pre-assembly tool are pre-assembled, in order to prevent the gasket from being separated from the groove 30, the gasket and the frame 10 and/or the limiting block 20 can be tack-welded and fixed together, for example, when the frame structure is a rectangular frame, the gasket and the frame 10 and/or the limiting block 20 can be tack-welded and fixed at four corners, and one side of the gasket is fixedly welded and fixed with the section bar by passing through the flange and fixing other sides of the gasket on one side of the cavity of the section bar.
When the section bar is welded, the two section bars are fastened by utilizing the welding tool, the displacement during welding is prevented, the welding deformation is reduced, the welding tool is a conventional device, not the utility model discloses an invention is focused, any technology which is present or may appear in the future can be adopted, the requirement and the limitation are not made, and the welding fixing function can be realized. Selecting or manufacturing an applicable gasket and a pre-assembly tool according to a profile structure, wherein the welding gasket is matched with the size of a cavity and is prevented from resisting the cavity, the gasket and the pre-assembly tool can be integrally placed in the cavity for pre-assembly before welding, during pre-assembly, the welding gasket is embedded into the groove 30, the gasket and the pre-assembly tool are fixed together by performing tack welding at four corners of the rectangular frame structure, then a second avoidance groove is processed on the gasket along the first avoidance groove 40 by using a grinding sheet or a milling cutter, and when an inner profile rib does not interfere with the gasket, the second avoidance groove does not need to be processed; and fixedly welding the liner and one side of the cavity by using the flange, fixing the section bar and the liner by tack welding the other three sides, removing the flange after fixing, and performing tack welding on one side of the original flange.
Compared with the original liner installation process, in the embodiment, the liners are pre-assembled in advance, the inner-shaped ribs for avoiding the grooves from the cavity are pre-fabricated, the circumferential liners in the cavity can be integrally installed after being pre-assembled together, the liners on the opposite sides of the clamping positions are preferentially tack-welded during tack welding, the welding space is obviously increased, and the tack welding quality is guaranteed; the installation is rapid and firm, the first avoidance groove 40 and the second avoidance groove are fixedly connected with the inner type rib in an inserted mode, the relative position of the welding liner and the cavity is not prone to deflection, and the subsequent formal welding quality is greatly improved. During batch production, the pre-assembling tool and the pre-assembling mode can obviously improve the installation efficiency and the installation quality of the welding liner, ensure the quality of subsequent welding joints and improve the quality safety of products.
In practical application, as shown in fig. 1, in this embodiment, the frame structure is a rectangular frame, the gasket is an approximately rectangular frame, and the frame can be pre-assembled at four corners by spot welding.
Further, in this embodiment, but frame construction integrated into one piece, bottom plate 50 and one side welded fastening or same integrated into one piece of frame construction open end, and stopper 20 and bottom plate 50 welded fastening or adopt other modes fixed, in practical application, between each frame 10 and/or with the bottom plate 50 between, can adopt grafting or other arbitrary modes to realize the flexibility and be connected, be convenient for organize depositing of frock in advance, moreover the utility model provides a organize the frock in advance, not only be applicable to the welding of the aluminum alloy automobile body section bar of track traffic, other types of section bar or the welding of closed cavity structure all can be suitable for, according to product size, structural adjustment organize the frock size in advance can.
To sum up, the utility model provides a pair of section bar welding is frock of assembling in advance compares with prior art, has following technical advantage:
the liner is preassembled firstly, and is provided with a prefabricated avoidance groove to avoid the inner profile rib of the cavity, so that a splicing structure is formed between the liner and the inner profile rib, the liner is prevented from shifting in the welding process, and the installation simplicity of the liner is improved;
the peripheral gaskets in the cavity are pre-assembled together and then can be integrally installed, the gaskets on the opposite sides of the clamping position are preferentially tack-welded during tack welding, the welding space is obviously increased, and the tack welding quality is guaranteed;
the installation is rapid and firm;
the relative position of the welding liner and the cavity is not easy to deflect, and the quality control of the subsequent formal welding process is greatly improved;
the pre-assembly tool is simple in overall structure.
Similar solutions can be derived as described above in connection with the given solution content. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention are still within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a section bar welding frock of assembling in advance which characterized in that: the frame structure comprises a frame structure formed by connecting a plurality of frames end to end, wherein a bottom plate is arranged at the open end of one side of the frame structure, a limiting block is fixed on the bottom plate and is positioned in a space enclosed by the bottom plate and the frame structure, a groove for accommodating a welding liner is formed between the limiting block and the inner side wall of each frame, and the tool corresponds to an inner rib position of the section bar and is provided with a first avoidance groove.
2. The section welding pre-assembly tool of claim 1, wherein: the width and the depth of the groove are determined by the size of the gasket, and the size of the gasket is matched with the cavity of the section bar.
3. The section welding pre-assembly tool of claim 1, characterized in that: the liner is embedded into the groove and is fixed with the frame and/or the limiting block in a spot welding mode.
4. The section welding pre-assembly tool of claim 1, characterized in that: the width of the first avoidance groove is larger than or equal to the thickness of the inner rib.
5. The section welding pre-assembly tool of claim 1, wherein: the liner is embedded into the groove, and one side edge of the liner is fixed with one side of the cavity of the section bar through a flange.
6. The section welding pre-assembly tool of claim 5, wherein: and other side edges of the gasket are welded and fixed with the section bar.
7. The section welding pre-assembly tool of claim 1, wherein: set up the second on the gasket and dodge the groove, the gasket imbeds behind the recess, first groove and the second of dodging dodge the groove and communicate with each other.
8. The section welding pre-assembly tool of claim 7, wherein: the width of the second avoidance groove is larger than or equal to the thickness of the inner rib.
9. The section welding pre-assembly tool of any one of claims 1 to 8, wherein: the first avoidance groove comprises one or more cutting grooves formed in the frame.
10. The section welding pre-assembly tool of claim 9, wherein: the first groove of dodging still includes the stopper corresponds cut the logical groove of cutting the setting of groove, the open end that leads to the groove with cut the groove and communicate with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222500126.8U CN218487607U (en) | 2022-09-21 | 2022-09-21 | Section bar welding pre-assembly tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222500126.8U CN218487607U (en) | 2022-09-21 | 2022-09-21 | Section bar welding pre-assembly tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218487607U true CN218487607U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222500126.8U Active CN218487607U (en) | 2022-09-21 | 2022-09-21 | Section bar welding pre-assembly tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218487607U (en) |
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2022
- 2022-09-21 CN CN202222500126.8U patent/CN218487607U/en active Active
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