Gas meter shell spot welding tool

Abstract

The utility model discloses a gas meter shell spot welding tool which comprises a bottom plate and an upper pressing plate, a lower die plate is installed on the bottom plate, an upper die plate is installed on the upper pressing plate, the upper die plate and the lower die plate are communicated with two spot welding electrodes respectively, stud positioning insertion holes are formed in the lower die plate corresponding to stud welding points on a gas meter shell to be machined, and the stud positioning insertion holes are communicated with the upper pressing plate. Studs are inserted into the stud positioning insertion holes, stud spot welding heads are fixedly installed at the positions, corresponding to the stud positioning insertion holes, of the upper die plate, support spot welding heads are installed at the positions, corresponding to support welding points on the gas meter shell to be machined, of the upper die plate, electromagnets are installed at the bottoms of the support spot welding heads, and support containing grooves are formed in the bottom ends of the support spot welding heads in a matched mode. According to the tool device for simultaneously spot-welding the gas meter shell stud and the support, working procedures are reduced, machining efficiency is improved, the problems that spot welding is prone to being affected by external factors, and metal materials and energy are wasted are solved, and welding stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas meter processing tooling, in particular to a gas meter shell spot welding tooling. Background Art

[0002] like Figure 1 As shown, during the molding process of the existing gas meter case 1, the bracket 2 needs to be welded at two positions on the inner surface of the gas meter case, and the studs 3 need to be welded at multiple positions on the outer surface of the gas meter case. The existing welding process adopts spot welding step-by-step welding, which is generally divided into two steps. It is necessary to process and position twice respectively, and then spot weld the bracket and the stud respectively. In this processing method, there are many welding steps, low processing efficiency, poor synchronization of the two positioning, easy to cause deviation, easy to be affected by external factors, and poor welding stability. Utility Model Content

[0003] In order to solve the above technical problems, the utility model designs a gas meter casing spot welding tool.

[0004] The utility model adopts the following technical solutions:

[0005] A gas meter case spot welding tool comprises a bottom plate and an upper pressure plate, wherein a lower template is installed on the bottom plate, an upper template is installed on the upper pressure plate, the upper template and the lower template are respectively connected to two spot welding electrodes, a stud positioning socket is provided on the lower template corresponding to the stud welding point on the gas meter case to be processed, a stud is plugged into the stud positioning socket, a stud spot welding head is fixedly installed at the position corresponding to the stud positioning socket on the upper template, a bracket spot welding head is installed on the upper template corresponding to the bracket welding point on the gas meter case to be processed, an electromagnet is installed at the bottom of the bracket spot welding head, and a bracket accommodating groove is provided at the bottom end of the bracket spot welding head to cooperate with the bracket.

[0006] Preferably, an upper template mounting hole is opened on the upper template, and the upper template is fixedly connected to the upper pressure plate through the upper template mounting hole and countersunk bolts.

[0007] Preferably, a lower template mounting hole is provided on the lower template, and the lower template is fixedly connected to the base plate through the lower template mounting hole and countersunk bolts.

[0008] Preferably, a positioning column is provided on the lower template corresponding to the position of the positioning hole on the gas meter casing to be processed.

[0009] Preferably, a positioning groove is provided on the bottom plate to match the gas meter casing to be processed, and the lower template is fixedly installed at the bottom of the positioning groove.

[0010] The beneficial effects of the utility model are as follows: the utility model designs a tooling device for spot welding the studs and the bracket of the gas meter case at the same time, the upper template of the shell is provided with the precise position to be spot welded, and cooperates with the corresponding position of the lower template, and then the workpiece is welded by adding an electromagnet at the spot welding head of the bracket, the electromagnet provides a strong suction force to adsorb the bracket, and then a bracket accommodating groove is set at the bottom end of the spot welding head of the bracket, thereby determining the accurate position of the welding bracket. The utility model reduces the working procedures, improves the processing efficiency, solves the problem that the spot welding is easily affected by external factors, wastes metal materials and energy, and increases the welding stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of an existing gas meter case;

[0012] Figure 2 It is a structural schematic diagram of the utility model;

[0013] Figure 3 It is a structural schematic diagram of the upper template in the utility model;

[0014] Figure 4 It is a structural schematic diagram of the lower template in the utility model;

[0015] Figure 5 yes Figure 4 A cross-sectional view in the AA direction;

[0016] In the figure: 1. gas meter case, 2. bracket, 3. stud, 4. bottom plate, 5. upper pressure plate, 6. lower template, 7. upper template, 8. gas meter case to be processed, 9. electromagnet, 10. bracket spot welding head, 11. stud spot welding head, 12. upper template mounting hole, 13. bracket accommodating groove, 14. lower template mounting hole, 15. positioning column, 16. stud positioning socket. DETAILED DESCRIPTION

[0017] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

[0018] Example: Figure 2-Figure 5 As shown, a gas meter case spot welding tool comprises a base plate 4 and an upper pressure plate 5, a lower template 6 is installed on the base plate, an upper template 7 is installed on the upper pressure plate, the upper template and the lower template are respectively connected to two spot welding electrodes, a stud positioning socket 16 is provided on the lower template corresponding to the stud welding point on the gas meter case 8 to be processed, a stud is inserted into the stud positioning socket, a stud spot welding head 11 is fixedly installed at the position corresponding to the stud positioning socket on the upper template, a bracket spot welding head 10 is installed on the upper template corresponding to the bracket welding point on the gas meter case to be processed, an electromagnet 9 is installed at the bottom of the bracket spot welding head, and a bracket accommodating groove 13 is provided at the bottom end of the bracket spot welding head to cooperate with the bracket.

[0019] The upper template is provided with an upper template mounting hole 12, and the upper template is fixedly connected to the upper pressure plate through the upper template mounting hole and countersunk bolts. The lower template is provided with a lower template mounting hole 14, and the lower template is fixedly connected to the bottom plate through the lower template mounting hole and countersunk bolts. The lower template is provided with a positioning column 15 corresponding to the positioning hole position on the gas meter shell to be processed. The bottom plate is provided with a positioning groove to match the gas meter shell to be processed, and the lower template is fixedly installed at the bottom of the positioning groove.

[0020] When the gas meter case spot welding tool is used, first put the stud to be welded into the stud positioning socket, then put the gas meter case to be processed into the positioning groove, and position it with the positioning column on the lower template, press the start switch, the upper electromagnet starts, and the bracket to be welded is adsorbed into the bracket accommodating groove, the upper template begins to descend, and when the bracket spot welding head touches the lower template, the bracket is welded to the gas meter case to be processed; at the same time, the stud spot welding head contacts the lower template, and the lower stud is welded to the bottom of the shell.

[0021] The above-described embodiment is only a preferred solution of the present invention and does not limit the present invention in any form. There are other variations and modifications without exceeding the technical solution described in the claims.

Claims

1. A gas meter case spot welding tool, comprising a bottom plate and an upper pressing plate, a lower template is mounted on the bottom plate, an upper template is mounted on the upper pressing plate, the upper template and the lower template are respectively connected to two spot welding electrodes, wherein: The lower template is provided with a stud positioning hole corresponding to the stud welding point on the gas meter case to be processed, and the stud is inserted into the stud positioning hole. A stud spot welding head is fixedly installed at the position corresponding to the stud positioning hole on the upper template. A bracket spot welding head is installed on the upper template corresponding to the welding point of the bracket on the gas meter case to be processed, an electromagnet is installed at the bottom of the bracket spot welding head, and a bracket accommodating groove is provided at the bottom end of the bracket spot welding head to cooperate with the bracket.

2. The gas meter case spot welding tool according to claim 1 is characterized in that: An upper template installation hole is provided on the upper template, and the upper template is fixedly connected to the upper pressing plate through the upper template installation hole and countersunk bolts.

3. The gas meter case spot welding tool according to claim 1 is characterized in that: The lower template is provided with a lower template installation hole, and the lower template is fixedly connected to the base plate through the lower template installation hole and countersunk bolts.

4. The gas meter case spot welding tool according to claim 1 is characterized in that: The lower template is provided with a positioning column corresponding to the position of the positioning hole on the gas meter shell to be processed.

5. The gas meter case spot welding tool according to claim 1 is characterized in that: The bottom plate is provided with a positioning groove to match the gas meter housing to be processed, and the lower template is fixedly installed at the bottom of the positioning groove.

Images