CN-224222931-U - Energy storage welding gun

Abstract

The utility model discloses an energy storage welding gun, which relates to the technical field of welding guns and comprises a gun shell, a main shaft, a conductive block, a pressure spring and an adapter block, wherein the gun shell is made of impact-resistant insulating plastic, an accurate guide rail is arranged in the gun shell, the guide rail is in sliding connection with a welding gun piston, the conductive block is connected with the main shaft through the adapter block, and an anti-burnout 50mm welding cable plug is arranged at the tail end of the conductive block.

Inventors

• LIANG CHENLONG
• WANG JUNQIANG
• ZHANG WEI

Assignees

• 小德螺柱焊接(昆山)有限公司

Dates

Publication Date

20260512

Application Date

20250606

Claims (4)

1. 1. The energy storage welding gun is characterized by comprising a gun shell (1), a main shaft (2), a conductive block (3), a pressure spring (4) and an adapter block (5), wherein the gun shell (1) is made of impact-resistant insulating plastic, an accurate guide rail is arranged in the gun shell, the guide rail is in sliding connection with a welding gun piston, the conductive block (3) is connected with the main shaft (2) through the adapter block (5), the tail end of the conductive block (3) is provided with a burn-out-preventing 50mm welding cable plug, the pressure spring (4) is positioned between the main shaft (2) and the gun shell (1), the pressure spring (4) is adjusted through a knob, and the tail end of the welding gun piston is provided with a replaceable special chuck (6) for a screw.
2. 2. The energy storage welding gun according to claim 1, wherein the adjusting knob of the pressure spring (4) is linked with the digital pressure sensor, sensor data are displayed in a digital form through an LED screen of the welding machine, the pressure adjusting range is 5-50N, and the welding requirements of different coating workpieces are adapted.
3. 3. The energy storage welding gun according to claim 1, wherein the special clamping head (6) for the screw is made of high-temperature resistant alloy materials, anti-skid patterns are formed on the inner wall of the clamping head (6), and the clamping head (6) is connected with a welding gun piston through a quick-dismantling structure to support multi-specification screw welding.
4. 4. The energy storage welding gun according to claim 1, wherein the surface of the precise guide rail is coated with an anti-splashing ceramic layer, the gap between the guide rail and a welding gun piston is less than or equal to 0.1mm, and a lightweight aluminum alloy bracket is arranged in the gun shell (1), so that the overall weight is less than or equal to 1.5kg.

Description

Energy storage welding gun Technical Field The utility model relates to the technical field of welding guns, in particular to an energy storage welding gun. Background The energy storage welding gun is a device for realizing high-efficiency welding by pre-storing electric energy and instantaneously releasing the electric energy, is widely applied to the fields of automobile manufacture, electronic component assembly and the like, is particularly suitable for welding workpieces with zinc coating on the surface, and has the core structure comprising an energy storage capacitor, a conductive block, a pressure spring and a movement mechanism, and ensures the high strength and consistency of welding points by accurately controlling the energy release and mechanical pressure. In the welding process, the piston slides along the guide rail to maintain the directional stability, basic pressure adjustment is realized through a mechanical structure, and spring reset after welding is finished to prepare for the next operation. In the prior art, the energy storage welding gun has the following defects that (1) the workpiece with the coating is easy to cause cold joint or coating damage due to uneven pressure, (2) the adaptability of a screw is poor, a chuck is required to be frequently replaced and a special quick-release structure is lacked, (3) the spring pressure adjustment is dependent on experience and is not digitally displayed, so that the repeatability is low, (4) the gun shell material is not impact-resistant, a cable plug is easy to burn out due to current overload, (5) the precision of a guide rail is insufficient, the welding spatter invades and affects the service life, the positioning error of a piston is large, (6) the whole weight is higher, the operation flexibility is limited, and the problems seriously restrict the improvement of the welding quality and the welding efficiency. Disclosure of utility model The utility model aims to provide an energy storage welding gun, which solves the technical problems that in the prior art, a workpiece with a coating is easy to cause cold joint or coating damage due to uneven pressure, and the spring pressure is regulated depending on experience and has no digital display, so that the repeatability is low. The technical problems to be solved by the utility model can be realized by the following technical scheme: The energy storage welding gun comprises a gun shell, a main shaft, a conductive block, a pressure spring and an adapter block, wherein the gun shell is made of impact-resistant insulating plastic, an accurate guide rail is arranged in the gun shell and is in sliding connection with a welding gun piston, the conductive block is connected with the main shaft through the adapter block, a 50mm welding cable plug capable of preventing burning out is arranged at the tail end of the conductive block, the pressure spring is positioned between the main shaft and the gun shell and is adjusted through a knob, and a replaceable special clamping head for a screw is arranged at the tail end of the welding gun piston. As a further scheme of the utility model, the pressure spring adjusting knob is linked with the digital pressure sensor, sensor data are displayed in a digital form through an LED screen of the welding machine, the pressure adjusting range is 5-50N, and the welding requirements of different coating workpieces are adapted. According to the utility model, the special chuck for the screw is made of a high-temperature resistant alloy material, the inner wall of the chuck is provided with anti-skid patterns, and the chuck is connected with a welding gun piston through a quick-dismantling structure to support the welding of screws with multiple specifications. As a further scheme of the utility model, the surface of the precise guide rail is coated with an anti-splashing ceramic layer, the gap between the guide rail and a welding gun piston is less than or equal to 0.1mm, and a lightweight aluminum alloy bracket is arranged in the gun shell, so that the overall weight is less than or equal to 1.5kg. The utility model has the beneficial effects that the impact-resistant insulating plastic gun shell is combined with the lightweight aluminum alloy bracket, so that the equipment weight is greatly reduced, the insulation safety is improved, the 5-50N pressure is accurately controlled through the digital pressure regulating system and real-time display, the false welding or damage of galvanized and other coating workpieces is avoided, the high-precision anti-splashing ceramic guide rail and the high-temperature-resistant quick-release chuck are equipped, the screw positioning error is ensured to be less than or equal to 0.2mm, meanwhile, the screws with multiple specifications are adapted and the second-level replacement is supported, the equipment durability is obviously improved due to the design of the anti-burn 50mm cable plug and the high-temperature-resistant chuc