Traction beam welding tooling

Abstract

The present invention discloses a traction beam welding tool, comprising a tool frame, 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 placed in the first welding area; a horizontal positioning component and a vertical positioning component are arranged on the top surface of the tool frame at the periphery of the first welding area to position the workpiece in the first welding area or the workpiece in the second welding area. By utilizing the top surface of the tool frame in different areas, the single-piece traction beam of the middle car and the single-piece traction beam of the head car can be welded separately, and the welding of different types of traction beams can be realized by a single tool, which can reduce the setting of tooling and reduce the space occupied by equipment.

Description

Technical Field

[0001] The invention relates to the technical field of vehicle processing, and in particular to a traction beam welding tool. Background Art

[0002] The welding process of subway single-piece traction beams involves welding of different types of traction beams. The single-piece traction beam of the lead car is welded by the web plate of the traction beam of the lead car and the lower cover plate of the lead car, and the single-piece traction beam of the middle car is welded by the web plate of the traction beam of the middle car, the lower cover plate of the middle car and the supplementary plate of the middle car. The length of the single-piece traction beam of the lead car is greater than that of the single-piece traction beam of the middle car, and the length difference is large. The outer weld profile is different. In the existing technology, different tooling is usually required for welding respectively, resulting in the need to prepare different tooling for welding the two types of traction beams separately, which takes up a lot of space.

[0003] Therefore, how to reduce the occupied space is a technical problem that those skilled in the art currently need to solve. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a traction beam welding tool that can reduce the space occupied by the equipment.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A traction beam welding tool comprises a tool frame, wherein a first welding area and a second welding area are provided on the top surface of the tool frame, and the second welding area is placed in the first welding area; a horizontal positioning component and a vertical positioning component are provided on the top surface of the tool frame at the periphery of the first welding area to position a workpiece in the first welding area or a workpiece in the second welding area.

[0007] Preferably, it also includes a frame flipping mechanism, and the tooling frame is connected to the output shaft of the frame flipping mechanism to drive the tooling frame to flip around a preset horizontal axis; a first welding channel is set through the first welding area, and a second welding channel is set through the second welding area.

[0008] Preferably, the first welding channel passes through a portion of the first welding region outside the second welding region.

[0009] Preferably, in the first welding area, the first welding channel and the second welding channel are arranged sequentially along the extension direction of the preset horizontal axis.

[0010] Preferably, the two first welding areas are sequentially arranged on the top surface of the tooling frame along an extension direction perpendicular to the preset horizontal axis.

[0011] Preferably, the horizontal positioning assembly comprises a positioning block and a tightening mechanism that is telescopic in a horizontal direction to adjust the distance from the positioning block, and the positioning block is fixed on the top surface of the tooling frame.

[0012] Preferably, the horizontal positioning assembly includes the clamping mechanism and the positioning block arranged on both sides of the first welding area in the extension direction of the preset horizontal axis, and the clamping mechanism and the positioning block arranged on both sides of the first welding area in the extension direction perpendicular to the preset horizontal axis.

[0013] Preferably, the first welding area is an arc-shaped through hole adapted to the bottom edge shape of the web of the traction beam of the head car, and the second welding area is an arc-shaped through hole adapted to the bottom edge shape of the web of the traction beam of the middle car.

[0014] Preferably, the vertical positioning assembly comprises a clamping mechanism for clamping the workpiece towards the top surface of the tooling frame.

[0015] Preferably, a pressing strip is provided at the output end of the pressing mechanism.

[0016] The traction beam welding tool provided by the present invention includes a tool frame, and a first welding area and a second welding area are provided on the top surface of the tool frame, and the second welding area is placed in the first welding area; a horizontal positioning component and a vertical positioning component are provided on the top surface of the tool frame and located around the first welding area to position the workpiece in the first welding area or the workpiece in the second welding area.

[0017] When welding the single-piece traction beam of the lead car, the web plate and the lower cover plate of the traction beam of the lead car are placed in the first welding area, and the relative positions of the two are positioned by the horizontal positioning assembly and the vertical positioning assembly, and then the two are welded. When welding the single-piece traction beam of the middle car, the web plate of the traction beam of the middle car, the lower cover plate of the traction beam of the middle car and the middle car patch plate are placed in the second welding area, and the relative positions of the three are positioned by the horizontal positioning assembly and the vertical positioning assembly, and then the three are welded. When welding the single-piece traction beam of the lead car, all the horizontal positioning assemblies and the vertical positioning assemblies around the first welding area are used, while when welding the single-piece traction beam of the middle car, only a part of the horizontal positioning assemblies and the vertical positioning assemblies around the first welding area are used.

[0018] It can be seen that by utilizing the top surface of the tooling frame in different areas, the single-piece traction beam of the middle car and the single-piece traction beam of the head car can be welded separately. By using a single tool, the welding of different types of traction beams can be achieved, which can meet the requirements of rapid switching of product production and realize the multi-purpose use of tooling. It can reduce the setting of tooling, reduce the space occupied by equipment, and reduce the manufacturing and maintenance costs of tooling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0020] Figure 1 This is a structural diagram of a single-piece traction beam of a head vehicle used in the present invention;

[0021] Figure 2 This is a structural diagram of the middle single-piece traction beam used in the present invention;

[0022] Figure 3 A top view of the traction beam welding tooling provided by the present invention;

[0023] Figure 4 A distribution diagram of the first welding area and the second welding area in the top view of the traction beam welding tool provided by the present invention;

[0024] Figure 5 It is a top view of the traction beam welding tool provided by the present invention after the single-piece traction beam of the intermediate vehicle is installed;

[0025] Figure 6 for Figure 5 AA section view;

[0026] Figure 7 for Figure 5 BB cross-sectional view;

[0027] Figure 8 This is a front view of the traction beam welding tool provided by the present invention after the single-piece traction beam of the intermediate vehicle is installed;

[0028] Fig. 9 This is a top view of the traction beam welding tooling provided by the present invention after the single-piece traction beam of the head vehicle is installed;

[0029] Fig.10 This is a front view of the traction beam welding tooling provided by the present invention after the single-piece traction beam of the head vehicle is installed.

[0030] Reference numerals:

[0031] The lead car single-piece traction beam 1, the lead car traction beam web 11, the lead car traction beam lower cover 12;

[0032] The middle car single piece traction beam 2, the middle car traction beam web plate 21, the middle car traction beam lower cover plate 22, the middle car supplementary plate 23;

[0033] Tool frame 3, first welding area 31, second welding area 32, first welding channel 33, second welding channel 34;

[0034] Positioning block 41, tightening mechanism 42;

[0035] A clamping mechanism 5, a clamping strip 51;

[0036] Frame turning mechanism 6. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] The core of the invention is to provide a traction beam welding tool, which can reduce the space occupied by the equipment.

[0039] In a specific embodiment of the traction beam welding tool provided by the present invention, please refer to Figures 3 to 10 , including a tooling frame 3. A first welding area 31 and a second welding area 32 are provided on the top surface of the tooling frame 3, and the second welding area 32 is built 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 tooling frame 3 at the periphery of the first welding area 31, so as to position the workpiece in the first welding area 31 or the workpiece in the second welding area 32.

[0040] like Fig. 9 and Fig.10 As shown, when welding the single-piece traction beam 1 of the head vehicle, the web plate 11 of the traction beam of the head vehicle and the lower cover plate 12 of the traction beam of the head vehicle are placed in the first welding area 31, and the relative positions of the two are positioned by the horizontal positioning component and the vertical positioning component, and then the two are welded. Figure 5 and Figure 8 As shown, when welding the middle car single piece traction beam 2, the middle car traction beam web 21, the middle car traction beam lower cover 22 and the middle car patch plate 23 are placed in the second welding area 32, and the relative positions of the three are positioned by the horizontal positioning assembly and the vertical positioning assembly, and then the three are welded. When welding the head car single piece traction beam 1, all the horizontal positioning assemblies and the vertical positioning assemblies around the first welding area 31 are used, while when welding the middle car single piece traction beam 2, only a part of the horizontal positioning assemblies and the vertical positioning assemblies around the first welding area 31 are used.

[0041] It can be seen that in this embodiment, by utilizing the top surface of the tooling frame 3 in different areas, the single-piece traction beam 2 of the middle car and the single-piece traction beam 1 of the head car can be welded separately. By using a single tool to weld different types of traction beams, the setting of tooling can be reduced and the space occupied by equipment can be reduced.

[0042] Furthermore, the welding tool also includes a frame flip mechanism 6, and the tool frame 3 is connected to the output shaft of the frame flip mechanism 6 to drive the tool frame 3 to flip around a preset horizontal axis so that the top and bottom surfaces of the tool frame 3 can be swapped. Among them, a first welding channel 33 is set through the first welding area 31, and a second welding channel 34 is set through the second welding area 32. Specifically, the first welding channel 33 runs through the part of the first welding area 31 outside the second welding area 32.

[0043] During the welding process, taking the assembly welding of the lead vehicle single-piece traction beam 1 as an example, the components of the lead vehicle single-piece traction beam 1 are fixed to the top surface of the tooling frame 3. After the welding operation is completed from the top surface, the tooling frame 3 is flipped by the frame flipping mechanism 6, and the remaining parts of the lead vehicle single-piece traction beam 1 are welded from the other side by the first welding channel 33. Through the setting of the frame flipping mechanism 6 and the first welding channel 33, after the lead vehicle single-piece traction beam 1 is welded from the top surface of the tooling frame 3, it is not necessary to remove the lead vehicle single-piece traction beam 1 from the tooling frame 3. The lead vehicle single-piece traction beam 1 and the tooling frame 3 can be directly reversed, and welding can be performed from the opposite side of the side where the lead vehicle single-piece traction beam 1 is placed on the tooling frame 3, which can improve the welding efficiency. Of course, when welding the middle vehicle single-piece traction beam 2, welding can be performed from the bottom side of the tooling frame 3 with the help of the second welding channel 34.

[0044] Furthermore, in the first welding area 31, the first welding channel 33 and the second welding channel 34 are sequentially arranged along the extension 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 extension direction perpendicular to the preset horizontal axis, so that the assembly welding of two single-piece traction beams 2 of the middle car or the assembly welding of two single-piece traction beams 1 of the head car can be realized on the tooling frame 3 at one time. More specifically, the first welding area 31 is an arc-shaped through hole that is adapted to the shape of the bottom edge of the web 11 of the head car traction beam (i.e., the edge connected to the lower cover plate 12 of the head car traction beam), and the second welding area 32 is an arc-shaped through hole that is adapted to the shape of the bottom edge of the web 21 of the middle car traction beam (i.e., the edge connected to the lower cover plate 22 of the middle car traction beam), so as to perform adaptive welding on the traction beam web and the lower cover plate.

[0045] Furthermore, the horizontal positioning assembly includes a positioning block 41 and a tightening mechanism 42 that is retracted in the horizontal direction to adjust the distance with the positioning block 41, and the positioning block 41 is fixed to the top surface of the tooling frame 3. More specifically, the horizontal positioning assembly includes a tightening mechanism 42 and a positioning block 41 that are arranged on both sides of the first welding area 31 in the extension direction of the preset horizontal axis, so that Figure 3 The horizontal positioning assembly also includes a tightening mechanism 42 and a positioning block 41 arranged on both sides of the first welding area 31 in the extending direction perpendicular to the preset horizontal axis, so as to Figure 3 The traction beam is positioned on the left and right sides of the illustrated orientation to achieve comprehensive positioning of the traction beam.

[0046] Furthermore, the vertical positioning assembly includes a clamping mechanism 5 for clamping the workpiece toward the top surface of the tooling frame 3, so that the traction beam is positioned in the vertical direction by means of the top surface of the tooling frame 3 and the clamping mechanism 5. Preferably, a clamping strip 51 is provided at the output end of the clamping mechanism 5 to increase the contact area with the traction beam and reduce the extrusion damage to the traction beam.

[0047] It should be noted that when an element is referred to as "fixing" another element, it may be directly on the other element or there may also be a centered element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be a centered element at the same time. The orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0048] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0049] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0050] The above is a detailed introduction to the traction beam welding tooling provided by the present invention. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and core ideas of the present invention. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present invention, the present invention can also be improved and modified in a number of ways, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A traction beam welding tool, characterized in that: The tooling frame (3) comprises a first welding area (31) and a second welding area (32) on the top surface of the tooling frame (3), and the second welding area (32) is built into the first welding area (31); a horizontal positioning component and a vertical positioning component are provided on the top surface of the tooling frame (3) at the periphery of the first welding area (31) to position a workpiece in the first welding area (31) or a workpiece in the second welding area (32); The tooling frame (3) is connected to an output shaft of the frame turning mechanism (6) to drive the tooling frame (3) to turn around a preset horizontal axis; a first welding channel (33) is provided through the first welding area (31), and a second welding channel (34) is provided through the second welding area (32); The first welding channel (33) penetrates a portion of the first welding area (31) that is outside the second welding area (32); In the first welding area (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; The two first welding areas (31) are arranged in sequence on the top surface of the tooling frame (3) along an extension direction perpendicular to the preset horizontal axis; The invention is characterized in that the horizontal positioning assembly comprises a positioning block (41) and a tightening mechanism (42) which is telescopic in the horizontal direction to adjust the distance between the positioning block (41) and the positioning block (41), and the positioning block (41) is fixed on the top surface of the tooling frame (3); The horizontal positioning assembly comprises the clamping mechanism (42) and the positioning block (41) arranged on both sides of the first welding area (31) in the extension direction of the preset horizontal axis, and the clamping mechanism (42) and the positioning block (41) arranged on both sides of the first welding area (31) in the extension direction perpendicular to the preset horizontal axis; The first welding area (31) is an arc-shaped through hole that matches the bottom edge shape of the web plate (11) of the traction beam of the head car, and the second welding area (32) is an arc-shaped through hole that matches the bottom edge shape of the web plate (21) of the traction beam of the middle car; The vertical positioning assembly comprises a clamping mechanism (5) for clamping the workpiece toward the top surface of the tooling frame (3).

2. The traction beam welding tool according to claim 1, characterized in that: The output end of the clamping mechanism (5) is provided with a clamping strip (51).

Images