CN112355549A - Draw beam welding tool - Google Patents
Draw beam welding tool Download PDFInfo
- Publication number
- CN112355549A CN112355549A CN202011314708.6A CN202011314708A CN112355549A CN 112355549 A CN112355549 A CN 112355549A CN 202011314708 A CN202011314708 A CN 202011314708A CN 112355549 A CN112355549 A CN 112355549A
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- welding
- welding area
- frame
- area
- draft sill
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention discloses a traction beam welding tool which comprises a tool frame, wherein a first welding area and a second welding area are arranged on the top surface of the tool frame, and the second welding area is arranged in the first welding area; and a horizontal positioning assembly and a vertical positioning assembly are arranged on the periphery of the first welding area on the top surface of the tool frame so as to position the workpiece in the first welding area or the workpiece in the second welding area. Through the regional utilization of dividing the top surface to the frock frame, can carry out the assembly welding respectively to middle car monolithic draw beam and first car monolithic draw beam, realize the welding to different types draw beam through single frock, can reduce the setting of frock, reduce equipment occupation space.
Description
Technical Field
The invention relates to the technical field of vehicle machining, in particular to a traction beam welding tool.
Background
In the welding process of the subway single-piece draft sill, the welding of different types of draft sills is related. The single-piece traction beam of the head car is formed by assembling and welding a web plate of the traction beam of the head car and a lower cover plate of the head car, and the single-piece traction beam of the middle car is formed by assembling and welding a web plate of the traction beam of the middle car, a lower cover plate of the middle car and a patch plate of the middle car. The length of the single-piece traction beam of the head car is larger than that of the single-piece traction beam of the middle car, the length difference is large, the profile degree of the welding line on the outer side is different, different tools are generally needed to be adopted to weld respectively in the prior art, different tools are needed to be prepared to weld two types of traction beams respectively, and the occupied space is large.
Therefore, how to reduce the occupied space is a technical problem that needs to be solved currently by those skilled in the art.
Disclosure of Invention
In view of this, the invention aims to provide a welding tool for a draft sill, which can reduce the occupied space of equipment.
In order to achieve the purpose, the invention provides the following technical scheme:
a traction beam welding tool comprises a tool frame, wherein a first welding area and a second welding area are arranged on the top surface of the tool frame, and the second welding area is arranged in the first welding area; and a horizontal positioning assembly and a vertical positioning assembly are arranged on the periphery of the first welding area on the top surface of the tool frame so as to position the workpiece in the first welding area or the workpiece in the second welding area.
Preferably, the tool frame further comprises a frame turnover mechanism, and the tool frame is connected to an output shaft of the frame turnover mechanism so as to drive the tool frame to turn over around a preset horizontal axis; a first welding channel penetrates through the first welding area, and a second welding channel penetrates through the second welding area.
Preferably, the first welding passage is provided through a portion of the first welding region that is located outside the second welding region.
Preferably, in the first welding area, the first welding channel and the second welding channel are arranged in sequence along the extension direction of the preset horizontal axis.
Preferably, the two first welding areas are sequentially arranged on the top surface of the tool frame along an extending direction perpendicular to the preset horizontal axis.
Preferably, the horizontal positioning assembly comprises a positioning block and a jacking mechanism which stretches and retracts along the horizontal direction to adjust the distance between the positioning block and the positioning block, and the positioning block is fixed on the top surface of the tool frame.
Preferably, the horizontal positioning assembly comprises the jacking mechanism and the positioning block which are arranged on two sides of the first welding area in the extending direction of the preset horizontal axis, and the jacking mechanism and the positioning block which are arranged on two sides of the first welding area in the extending direction of the preset horizontal axis.
Preferably, the first welding area is an arc-shaped through hole matched with the bottom edge shape of the web plate of the first vehicle traction beam, and the second welding area is an arc-shaped through hole matched with the bottom edge shape of the web plate of the middle vehicle traction beam.
Preferably, the vertical positioning assembly comprises a pressing mechanism for pressing the workpiece toward the top surface of the tool frame.
Preferably, the output end of the pressing mechanism is provided with a pressing strip.
The invention provides a traction beam welding tool which comprises a tool frame, wherein a first welding area and a second welding area are arranged on the top surface of the tool frame, and the second welding area is arranged in the first welding area; and a horizontal positioning assembly and a vertical positioning assembly are arranged on the periphery of the first welding area on the top surface of the tool frame so as to position the workpiece in the first welding area or the workpiece in the second welding area.
When the single-piece traction beam of the head car is welded, a head car traction beam web plate and a head car traction beam lower cover plate are placed in a first welding area, the relative positions of the head car traction beam web plate and the head car traction beam lower cover plate are positioned through a horizontal positioning assembly and a vertical positioning assembly, and then the head car traction beam web plate and the head car traction beam lower cover plate are welded. When the middle car single-piece traction beam is welded, the middle car traction beam web, the middle car traction beam lower cover plate and the middle car patch board are placed in the second welding area, the relative positions of the middle car traction beam web, the middle car traction beam lower cover plate and the middle car patch board are positioned through the horizontal positioning assembly and the vertical positioning assembly, and then the middle car traction beam web, the middle car traction beam lower cover plate and the middle car patch board are welded. Wherein, when the welding head car single-piece draft sill is welded, all horizontal positioning components and vertical positioning components around the first welding area are utilized, and when the middle car single-piece draft sill is welded, only a part of the horizontal positioning components and vertical positioning components around the first welding area are utilized.
It can be seen that the top surface of the tool frame is utilized in different areas, the middle vehicle single-piece traction beam and the head vehicle single-piece traction beam can be respectively assembled and welded, welding of different types of traction beams is achieved through a single tool, the requirement for rapid switching of product production can be met, the tool is integrated and multipurpose, the tool can be reduced in arrangement, the occupied space of equipment is reduced, and the manufacturing and maintenance cost of the tool is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a block diagram of a single-piece draft sill of a headstock for which the present invention is useful;
FIG. 2 is a block diagram of a center monolithic draft sill to which the present invention is applied;
FIG. 3 is a top view of a trailing beam welding fixture provided by the present invention;
fig. 4 is a distribution diagram of a first welding area and a second welding area in a top view in the welding tool for the draft sill provided by the present invention;
FIG. 5 is a top view of a draft sill welder provided in accordance with the present invention after installation of a center sill single piece draft sill;
FIG. 6 is a cross-sectional view A-A of FIG. 5;
FIG. 7 is a cross-sectional view A-A of FIG. 5;
FIG. 8 is a front view of a draft sill welder provided in accordance with the present invention after installation of a single draft sill of the center truck;
FIG. 9 is a top view of a draft sill welder provided in accordance with the present invention after installation of a single draft sill of the headstock;
fig. 10 is a front view of a draft sill welder of the present invention after installation of a single draft sill of the headstock.
Reference numerals:
the structure comprises a head vehicle single-piece traction beam 1, a head vehicle traction beam web plate 11 and a head vehicle traction beam lower cover plate 12;
the middle vehicle single-piece traction beam 2, the middle vehicle traction beam web 21, the middle vehicle traction beam lower cover plate 22 and the middle vehicle patch plate 23;
the tooling frame 3, the first welding area 31, the second welding area 32, the first welding channel 33 and the second welding channel 34;
a positioning block 41 and a jacking mechanism 42;
a hold-down mechanism 5, a hold-down strip 51;
the frame turnover mechanism 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The core of the invention is to provide a traction beam welding tool, which can reduce the occupied space of equipment.
In an embodiment of the welding tool for the draft sill provided by the present invention, please refer to fig. 3 to 10, which includes a tool frame 3. The top surface of the tooling frame 3 is provided with a first welding area 31 and a second welding area 32, and the second welding area 32 is arranged in the first welding area 31. A horizontal positioning component for positioning the workpiece in the horizontal direction and a vertical positioning component for positioning the workpiece in the vertical direction are provided on the top surface of the tool frame 3 at the periphery of the first welding area 31 to position the workpiece in the first welding area 31 or the workpiece in the second welding area 32.
As shown in fig. 9 and 10, when welding the head car single-piece draft sill 1, the head car draft sill web 11 and the head car draft sill under cover plate 12 are placed in the first welding area 31, the relative positions of the two are positioned by the horizontal positioning assembly and the vertical positioning assembly, and then the two are welded. As shown in fig. 5 and 8, when welding the center car single-piece draft sill 2, the center car draft sill web 21, the center car draft sill lower cover plate 22 and the center car patch 23 are placed in the second welding area 32, the relative positions of the three are positioned by the horizontal positioning assembly and the vertical positioning assembly, and then the three are welded. Wherein all horizontal positioning components and vertical positioning components around the first welding area 31 are utilized when the welding head lathes the one-piece draft sill 1, and only a part of the horizontal positioning components and vertical positioning components around the first welding area 31 are utilized when the middle lathes the one-piece draft sill 2.
Therefore, in the embodiment, the top surface of the tooling frame 3 is utilized in different areas, the middle vehicle single-piece traction beam 2 and the head vehicle single-piece traction beam 1 can be respectively assembled and welded, welding of different types of traction beams is realized through a single tooling, the setting of the tooling can be reduced, and the occupied space of equipment is reduced.
Further, this welding frock still includes frame tilting mechanism 6, and frock frame 3 is connected in this frame tilting mechanism 6's output shaft to drive frock frame 3 around predetermineeing the horizontal axis upset, make the top surface and the bottom surface of frock frame 3 can exchange. A first welding passage 33 is arranged in the first welding area 31, and a second welding passage 34 is arranged in the second welding area 32. Specifically, the first welding passage 33 penetrates through a portion of the first welding region 31 located outside the second welding region 32.
In the welding process, taking the assembly welding of the single-head-car traction beam 1 as an example, all components of the single-head-car traction beam 1 are fixed on the top surface of the tooling frame 3, after the welding operation is completed from the top surface, the tooling frame 3 is turned over by the frame turning mechanism 6, and the first welding channel 33 is used for welding the rest parts of the single-head-car traction beam 1 from the other side. The setting of accessible frame tilting mechanism 6 and first welding passageway 33 for following the top surface of frock frame 3 and to turning round first car monolithic draft sill 1 welding back, need not to pull down first car monolithic draft sill 1 from frock frame 3, directly with turning round first car monolithic draft sill 1 and frock frame 3 reversal, from the frock frame 3 place the opposite of one side of first car monolithic draft sill 1 can, can improve welding efficiency. Of course, when welding the center sill single-piece draft sill 2, welding may be performed from the bottom surface side of the tool frame 3 via the second welding passage 34.
Further, in the first welding area 31, the first welding channel 33 and the second welding channel 34 are sequentially arranged along the extending direction of the preset horizontal axis, and two first welding areas 31 are sequentially arranged on the top surface of the tooling frame 3 along the extending direction perpendicular to the preset horizontal axis, so that the assembly welding of two middle-car single-piece traction beams 2 or the assembly welding of two head-car single-piece traction beams 1 can be realized on the tooling frame 3 at a time. More specifically, the first welding area 31 is an arc-shaped through hole matched with the shape of the bottom edge of the first vehicle traction beam web 11 (i.e. the edge connected with the first vehicle traction beam lower cover plate 12), and the second welding area 32 is an arc-shaped through hole matched with the shape of the bottom edge of the intermediate vehicle traction beam web 21 (i.e. the edge connected with the intermediate vehicle traction beam lower cover plate 22), so that the traction beam web and the lower cover plate are welded in an adaptive manner.
Further, the horizontal positioning assembly includes a positioning block 41 and a tightening mechanism 42 extending and retracting in the horizontal direction to adjust the distance from the positioning block 41, and the positioning block 41 is fixed on the top surface of the tool frame 3. More specifically, the horizontal positioning assembly includes a tightening mechanism 42 and a positioning block 41 provided on both sides of the first welding region 31 in the extending direction of the preset horizontal axis, so as to position the trailing beam on both upper and lower sides in the orientation shown in fig. 3. The horizontal positioning assembly further comprises a jacking mechanism 42 and a positioning block 41 which are arranged on two sides of the first welding area 31 in the extending direction perpendicular to the preset horizontal axis, so that the towing beam is positioned on the left side and the right side in the orientation shown in fig. 3, and the overall positioning of the towing beam is realized.
Further, the vertical positioning assembly includes a pressing mechanism 5 for pressing the workpiece toward the top surface of the tool frame 3, so that the draft sill is positioned in the up-down direction by means of the top surface of the tool frame 3 and the pressing mechanism 5. Preferably, the output end of the pressing mechanism 5 is provided with a pressing strip 51 to increase the contact area with the traction beam and reduce the pressing damage to the traction beam.
It will be understood that when an element is referred to as being "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The above provides a detailed description of the welding tool for the draft sill provided by the invention. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. The traction beam welding tool is characterized by comprising a tool frame (3), wherein a first welding area (31) and a second welding area (32) are arranged on the top surface of the tool frame (3), and the second welding area (32) is arranged in the first welding area (31); the periphery of the first welding area (31) on the top surface of the tool frame (3) is provided with a horizontal positioning assembly and a vertical positioning assembly so as to position a workpiece in the first welding area (31) or a workpiece in the second welding area (32).
2. The traction beam welding tool according to claim 1, further comprising a frame turnover mechanism (6), wherein the tool frame (3) is connected to an output shaft of the frame turnover mechanism (6) to drive the tool frame (3) to turn around a preset horizontal axis; a first welding channel (33) penetrates through the first welding area (31), and a second welding channel (34) penetrates through the second welding area (32).
3. The draft sill welding fixture of claim 2, wherein the first welding channel (33) extends through a portion of the first welding zone (31) that is outside of the second welding zone (32).
4. The draw beam welding fixture according to claim 3, characterized in that in the first welding zone (31), the first welding channel (33) and the second welding channel (34) are arranged in sequence along the extension direction of the preset horizontal axis.
5. The draw beam welding fixture according to claim 4, characterized in that two first welding zones (31) are arranged one after the other on the top surface of the fixture frame (3) along a direction of extension perpendicular to the predetermined horizontal axis.
6. The draft sill welding fixture according to any one of claims 2 to 5, wherein the horizontal positioning assembly comprises a positioning block (41) and a tightening mechanism (42) which extends and retracts in the horizontal direction to adjust the distance from the positioning block (41), and the positioning block (41) is fixed on the top surface of the fixture frame (3).
7. The draft sill welding fixture according to claim 6, wherein the horizontal positioning assembly comprises the tightening mechanism (42) and the positioning block (41) which are arranged on two sides of the first welding area (31) in the extending direction of the preset horizontal axis, and the tightening mechanism (42) and the positioning block (41) which are arranged on two sides of the first welding area (31) in the extending direction perpendicular to the preset horizontal axis.
8. The draft sill welding fixture according to any one of claims 2 to 5, wherein the first welding area (31) is an arc-shaped through hole adapted to the shape of the bottom edge of the draft sill web (11) of the head car, and the second welding area (32) is an arc-shaped through hole adapted to the shape of the bottom edge of the draft sill web (21) of the intermediate car.
9. The draw beam welding fixture according to any one of claims 2 to 5, characterized in that the vertical positioning assembly comprises a pressing mechanism (5) for pressing a workpiece towards the top surface of the fixture frame (3).
10. The draft sill welding fixture according to claim 9, characterized in that the output end of the hold-down mechanism (5) is provided with a hold-down bar (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011314708.6A CN112355549A (en) | 2020-11-20 | 2020-11-20 | Draw beam welding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011314708.6A CN112355549A (en) | 2020-11-20 | 2020-11-20 | Draw beam welding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112355549A true CN112355549A (en) | 2021-02-12 |
Family
ID=74533866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011314708.6A Pending CN112355549A (en) | 2020-11-20 | 2020-11-20 | Draw beam welding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112355549A (en) |
-
2020
- 2020-11-20 CN CN202011314708.6A patent/CN112355549A/en active Pending
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