Rotary welding clamp capable of integrating multiple welding processes

Abstract

The utility model discloses a rotary welding fixture capable of integrating multiple welding processes, which comprises a base, a rotary table, a telescopic conduction device and a loading table, a fixture is arranged on the loading table, a workpiece is supported and mounted to an angle required by the welding process through the arranged loading table, and the workpiece is positioned at high precision through the arranged fixture. A workpiece is driven to move to the needed position through the arranged rotating table, before and after rotation, cutting-off of the welding machine and the clamp in the rotating process and conduction of the welding machine and the clamp in the welding operation process are achieved through the telescopic conduction device, the workpiece does not need to be frequently disassembled, assembled and transferred, the welding operation efficiency of automobile parts is remarkably improved, and meanwhile the position precision of the parts can be better guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to automobile parts welding technical field, more specifically, the utility model relates to a kind of rotary welding fixture of multiple welding process integration. BACKGROUND

[0002] In the manufacturing process of automobile parts, the production process is complex, the cost is high, and the quality control risk is large. The welding fixture plays an important role in production. For some products, especially relatively large welding assembly products such as door rings, multiple welding processes are required to complete the design of each process welding tooling, which is costly and occupies a large production area. The transfer between processes is time-consuming and labor-intensive. SUMMARY

[0003] The utility model aims to provide a kind of rotary welding fixture of multiple welding process integration to solve the technical problem of poor adaptability of the welding fixture for door rings to different welding processes in the prior art.

[0004] In order to achieve these purposes and other advantages according to the utility model, a rotary welding fixture of multiple welding process integration is provided, which comprises a base, a rotary table, a telescopic transmission device and a loading table arranged in order from bottom to top. The loading table is installed on the rotary table, and the loading table is provided with a clamp for temporarily fixing the workpiece. The bottom of the workpiece has a copper support. The base is fixed to the ground. The rotary table is installed at the upper end of the base and is used to drive the loading table to rotate. The telescopic transmission device is arranged between the rotary table and the loading table and comprises a telescopic shaft pin and a sleeve. The telescopic shaft pin is arranged on the inside of the sleeve. The bottom of the telescopic shaft pin is connected to the top of the rotary table and can be vertically telescopic. The upper end of the telescopic shaft pin, the sleeve and the clamp are made of conductive material. After the telescopic shaft pin is extended, it can be conductive with the sleeve. The negative electrode of the welding machine is connected to the telescopic shaft pin through a wire. The copper support at the bottom of the workpiece is connected to the sleeve through a wire. The upper and lower ends of the sleeve are connected to the corresponding loading table or rotary table.

[0005] Preferably, the loading table comprises an inverted T-shaped frame. A pair of inclined plates are installed on one side of the T-shaped frame. A plurality of mounting holes are provided on the inclined plates and connected to a pressure arm through the mounting holes. The workpiece is erected on the pair of inclined plates and temporarily fixed by the plurality of pressure arms.

[0006] Preferably, the bottom of the T-shaped frame is connected to a base. The base is symmetrically connected to a vertical plate on both sides of the vertical part of the T-shaped frame. Each vertical plate is connected to a pair of inclined plates on the corresponding side edge of the base. A triangular frame is formed on both sides of the T-shaped frame.

[0007] Preferably, the T-shaped frame comprises a horizontal base frame and a vertical frame connected to the middle of the base frame, a pair of vertical plates are arranged on both sides of the vertical frame respectively, the length of the base frame and the vertical frame is greater than the length of the base table, and a pair of horizontal frames are connected to the outside of the base table at both ends of the vertical frame in the direction perpendicular to the vertical frame.

[0008] Preferably, the telescopic shaft pin comprises a vertical cylinder and a copper pin connected to the telescopic end of the top of the cylinder, and the cylinder drives the lifting of the copper pin.

[0009] Preferably, the fitting gap between the upper end of the telescopic shaft pin and the sleeve is 0.1-0.15mm.

[0010] Preferably, a positioning pin is further installed on the hole position on the workpiece on the loading table, which is used for precise positioning of the workpiece.

[0011] The utility model at least includes the following beneficial effects: the utility model discloses the rotary welding fixture of multiple welding process integration includes base, rotary table, telescopic transmission device, loading platform, is provided with clamp on loading platform, and the angle of supporting and installing workpiece to the welding process required is supported to the angle required by setting up loading platform, and the high-precision positioning and fixed of workpiece are positioned and fixed through the clamp setting, and the workpiece is moved to the required position through the rotary table setting, and before and after rotation, the telescopic transmission device is used to realize the cut-off of welding machine and clamp in the rotation process and the conduction of welding operation, and the workpiece does not need to be frequently disassembled and transferred, and the automobile parts welding operation efficiency is improved significantly, and the position precision of part can be better guaranteed.

[0012] Other advantages, objects and features of the utility model will be embodied partly through the following description, and some will be understood by the person skilled in the art through the research and practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view structural drawing of the utility model;

[0014] Figure 2 It is the side view structural drawing of the utility model when loading workpiece.

[0015] The description of the drawing mark is as follows: 1, base, 2, rotary table, 3, telescopic transmission device, 4, loading platform, 5, clamp, 6, workpiece, 7, telescopic shaft pin, 8, sleeve, 9, T-shaped frame, 10, inclined plate, 11, pressure arm, 12, base table, 13, vertical plate, 14, base frame, 15, vertical frame, 16, horizontal frame, 17, mounting hole. DETAILED DESCRIPTION

[0016] The utility model will be further explained in detail in combination with the drawings, so that the person skilled in the art can implement according to the description.

[0017] In the description of the utility model, the terms "transverse", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0018] As shown in Figure 1 , Figure 2 The utility model discloses a rotatory welding fixture of multiple welding process integration, including the base 1, the rotary table 2, the telescopic transmission device 3, the loading platform 4 that set gradually from below to above, the loading platform 4 is installed on the rotary table 2, be provided with the fixture 5 for the temporary fixed work piece 6 on the loading platform 4, and the bottom of work piece 6 has copper support, the base 1 is fixed on the ground, the rotary table 2 is installed on the upper end of base 1, is used to drive the rotary table 4, and the telescopic transmission device 3 is arranged between the rotary table 2 and the loading platform 4, including telescopic axle pin 7, cylinder sleeve 8, telescopic axle pin 7 sets up in the inside of cylinder sleeve 8, and the bottom of telescopic axle pin 7 is connected in the top of rotary table 2 and can along the vertical telescopic, and the upper end of telescopic axle pin 7, cylinder sleeve 8, fixture 5 are conductive material respectively, and after telescopic axle pin 7 stretches out, can with cylinder sleeve 8 conduction, and cylinder sleeve 8 and the copper support of work piece 6 bottom are connected through the wire, and the upper and lower ends of cylinder sleeve 8 are connected with the loading platform 4 or rotary table 2 of corresponding end respectively.

[0019] Telescopic axle pin 7 of telescopic transmission device 3 downside is copper material with the upper side cylinder sleeve 8, and telescopic axle pin 7 connects wire to the negative pole of welding machine, and cylinder sleeve 8 connects wire to the negative pole of fixture 5, and during the rotation of rotary table 2, telescopic axle pin 7 retracts, and disconnects, when rotary table 2 rotates to the welding position, telescopic axle pin 7 rises to cylinder sleeve 8, realizes the conduction of welding machine and fixture 5, then can weld work piece 6 through welding, for different welding process, the rotary table 2 of this embodiment can drive the loading platform 4 fixed with work piece 6 to rotate to the required station, and the rotation angle is from 0 to 180, by installing fixture 5 and other structures on different positions of loading platform 4, work piece 6 is positioned and fixed, for example, work piece 6 door ring involves resistance spot welding, MAG welding and arc welding three welding processes, the fixture 5 set guarantees the position accuracy of part before welding, guarantees resistance spot welding quality, telescopic copper pin and cylinder sleeve 8 connect ground wire, guarantee the conduction of arc welding and arc welding current, three process welding is completed, and work piece 6 is taken away from fixture 5 manually.

[0020] The utility model discloses a rotatory welding fixture of many welding process integration includes base 1, rotary table 2, telescopic transmission device 3, loading platform 4, be provided with clamp 5 on loading platform 4, through the loading platform 4 of setting up support installation workpiece 6 to the angle of required welding process, through the high -precision positioning of workpiece 6 of setting up clamp 5, through the rotary table 2 of setting up drive workpiece 6 to move to the position required, before and after rotation, utilize telescopic transmission device 3 to realize the cut -off of welding machine and clamp 5 in the rotation process and the conduction of welding operation, need not frequently dismount and shift workpiece 6, significantly improve the automobile parts welding operation efficiency, can better guarantee the position accuracy of part simultaneously.

[0021] In another technical solution, as shown in Figures 1-2 The loading platform 4 includes inverted T-shaped frame 9, a pair of inclined plates 10 are installed on one side of the T-shaped frame 9, a plurality of mounting holes 17 are provided on the inclined plates 10, and a plurality of pressing arms 11 are connected through the mounting holes 17, the workpiece 6 is erected on the pair of inclined plates 10, and the plurality of pressing arms 11 are temporarily pressed and fixed.

[0022] When loading, the pressing arms 11 of the clamp 5 are all opened, the workpiece 6 and small parts are manually loaded onto the inclined plates 10, and accurate positioning is performed through the positioning pins on the clamp 5. The pair of inclined plates 10 can reduce the shielding and space occupation of the workpiece 6 and reduce the weight of the loading platform 4. After all the parts are installed, all the pressing arms 11 are controlled to press the workpiece 6. At this time, the workpiece 6 is inclined outward, which is convenient for welding operation of the welding machine.

[0023] In another technical solution, as shown in Figures 1-2 The bottom of the T-shaped frame 9 is sleeved with a base 12, the vertical plates 13 are symmetrically connected to both sides of the vertical part of the T-shaped frame 9, one pair of inclined plates 10 is connected to the corresponding side edge of the base 12 on each side of the vertical plate 13, and a triangular frame is formed on each side of the T-shaped frame 9. The skeleton of the T-shaped frame 9 is arranged on the base 12, and one workpiece 6 can be installed in each triangular frame. After rotating by 180 degrees, the workpieces 6 are sequentially welded, thereby improving the operation efficiency.

[0024] In another technical solution, as shown in Figures 1-2 The T-shaped frame 9 includes a horizontal base 14 and a vertical frame 15 connected to the middle part of the base 14, the vertical plates 13 are arranged in parallel on both sides of the vertical frame 15, the length of the base 14 and the vertical frame 15 is greater than the length of the base 12, and a pair of horizontal frames 16 is connected to the outside of the base 12 in the direction perpendicular to the vertical frame 15 at both ends of the vertical frame 15. The horizontal frames 16 are arranged to strengthen the structural strength of the T-shaped frame 9, facilitate control of the rotation of the workpiece 6 during manual operation, and limit the horizontal frames 16 on both sides of the base 12.

[0025] In another technical solution, as shown in Figures 1-2As shown, the telescopic shaft pin 7 comprises a vertically arranged air cylinder and a copper pin connected to the telescopic end of the top of the air cylinder, and the copper pin is driven to ascend and descend by the air cylinder.

[0026] In another technical solution, as shown in Figures 1-2 As shown, the cooperation gap between the upper end of the telescopic shaft pin 7 and the sleeve 8 is 0.1-0.15mm, so as to ensure the conduction of the telescopic shaft pin 7 and the sleeve 8 and realize effective connection work.

[0027] In another technical solution, as shown in Figures 1-2 As shown, the loading table 4 is further provided with a positioning pin upwardly installed on the hole position on the workpiece 6, so as to accurately position the workpiece 6, and for a specific workpiece 6 such as a door ring, the positioning pin is arranged corresponding to the hole in the spot welding position, so as to quickly position the door ring and fix the door ring in combination with the pressing arm 11.

[0028] Although the embodiments of the present application have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, and it can be fully applied to various fields suitable for the present application. For those skilled in the art, other modifications can be easily realized, and therefore the present application is not limited to specific details and the drawings shown and described herein.

Claims

1. A spin welding fixture integratable with a multi-welding process, characterized by, The device comprises a base, a rotating table, an extension transmission device and a loading table arranged from bottom to top, the loading table is installed on the rotating table, the loading table is provided with a clamp for temporarily fixing a workpiece, the bottom of the workpiece is provided with a copper support, the base is fixed on the ground, the rotating table is installed on the upper end of the base to drive the loading table to rotate, the extension transmission device is arranged between the rotating table and the loading table, and the extension transmission device comprises an extension shaft pin and a sleeve, the extension shaft pin is arranged on the inner side of the sleeve, the bottom of the extension shaft pin is connected to the top of the rotating table and can be vertically extended and retracted, the upper end of the extension shaft pin, the sleeve and the clamp are all made of conductive material, the extension shaft pin can be in conduction with the sleeve after being extended, the extension shaft pin is connected with the negative electrode of a welding machine through a wire, the sleeve is connected with the copper support at the bottom of the workpiece through a wire, and the upper and lower ends of the sleeve are respectively connected with the loading table or the rotating table at the corresponding end.

2. The multiweld process integrated spin welding fixture of claim 1, wherein, The loading table comprises an inverted T-shaped frame, a pair of inclined plates are installed on one side of the T-shaped frame, a plurality of mounting holes are arranged on the inclined plates and a plurality of pressing arms are connected through the mounting holes, the workpiece is arranged on the pair of inclined plates and is temporarily pressed and fixed through the plurality of pressing arms.

3. The multiweld process integrated spin welding fixture of claim 2, wherein, The bottom of the T-shaped frame is sleeved with a base, vertical plates are symmetrically connected to the two vertical sides of the T-shaped frame, one pair of inclined plates is connected to the corresponding side edge of the base through the vertical plate on each side, and a triangular frame is formed on each side of the T-shaped frame.

4. The multiweld process integrated spin welding fixture of claim 3, wherein, The T-shaped frame comprises a horizontal base and a vertical frame connected to the middle part of the base, one pair of vertical plates is arranged on the two sides of the vertical frame in parallel, the length of the base and the vertical frame is greater than that of the base, and one pair of horizontal frames is connected to the outside of the base on the two ends of the vertical frame in a direction perpendicular to the vertical frame.

5. The multiweld process integrated spin welding fixture of claim 1, wherein, The extension shaft pin comprises a vertically arranged air cylinder and a copper pin connected to the extension end of the top of the air cylinder, and the air cylinder drives the copper pin to rise and fall.

6. The multiweld process integrated spin welding fixture of claim 1, wherein, The fitting gap between the upper end of the extension shaft pin and the sleeve is 0.1-0.15 mm.

7. The multiweld process integrated spin welding fixture of claim 1, wherein, A positioning pin is further installed on the loading table corresponding to the hole position on the workpiece, so as to accurately position the workpiece.

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