Combined welding jig

Abstract

The utility model relates to the technical field of welding jigs, and discloses a combined welding jig which comprises a mounting mechanism and a connecting mechanism, the connecting mechanism is clamped at the top of the mounting mechanism, according to the combined welding jig, a spot welding head is inserted in an inserting mode, and the spot welding head is matched with an obliquely-pressed pressing block in a magnetic attraction mode. According to the spot welding device, quick limiting is conducted, when a user replaces the welding head, quick operation is formed, the replacement efficiency is improved, and the work stagnation time is shortened, a plurality of insertion rods are distributed in an insertion opening and matched with the spot welding head to be in butt joint with insertion holes in the surfaces of the first pressing plate and the second pressing plate, and the multi-point limiting state is formed; by arranging a first pressing plate and a second pressing plate which are large and small, a multi-angle pressing state can be formed, and by matching with a protruding magnetic attraction block and a sunken magnetic attraction opening at the bottom of the pressing block, the connection strength can be improved, and the connection stability effect can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding jigs, in particular to a combined welding jig. Background Art

[0002] Welding jigs will help improve the efficiency and accuracy of the welding process and adapt to the welding needs of different workpieces. Such welding jigs can improve production efficiency, reduce the time and cost of manual operation, and ensure welding quality and safety.

[0003] The prior art discloses a multi-welding head ultrasonic welding machine with application number: 201520665215.5, comprising a base, a workbench with a mounting slot and a plurality of welding heads are arranged on the base, the mounting slot is located directly below each welding head, and also comprises a mounting member arranged above the workbench, on which are mounted a plurality of first pushers corresponding to each welding head one by one and capable of pushing the corresponding welding head to move in a vertical direction, each of the first pushers and the corresponding welding head are connected by a connecting rod, and one end of the connecting rod is rotatably connected to the corresponding first pusher, and the other end is fixedly connected to the corresponding welding head. The welding machine of the utility model has a plurality of welding heads, and under the control of the first pusher and the connecting rod, each welding point of the workpiece corresponds to one of the welding heads, and the welding actions of each welding point are completed synchronously, which can not only effectively reduce the workload of the operator, but also has high welding accuracy and welding efficiency.

[0004] However, the existing technology still has the following shortcomings. When welding existing circuit boards, it is often necessary to weld multiple points on the circuit board. The existing devices often install arranged spot welding heads on the jig. However, since the spot welding heads are consumables and need to be replaced frequently after long-term use, the existing installation method is usually through threaded installation, which is cumbersome to disassemble. Utility Model Content

[0005] The purpose of the utility model is to provide a combined welding fixture to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a combined welding fixture, comprising a mounting mechanism and a connecting mechanism, wherein the connecting mechanism is clamped on the top of the mounting mechanism.

[0007] The connection mechanism comprises a docking unit and a limiting unit, wherein the docking unit is clamped on the top of the mounting mechanism, and the limiting unit is movably connected to the top of the docking unit.

[0008] Preferably, the mounting mechanism consists of a base, a mounting hole, a connecting base plate, a supporting connecting rod, a bearing plate and a threaded interface, the mounting hole is opened at the top of the base, the connecting base plate is threadedly connected to the top of the base, the supporting connecting rod is threadedly connected to the top of the connecting base plate, the bearing plate is threadedly connected to the top of the supporting connecting rod, and the threaded interface is opened on the surface of the bearing plate, which plays a major role in installation and bearing, and multiple sets of welding docking units can be added according to different welding conditions, thereby improving the flexibility of welding use, facilitating adjustment according to different working conditions, and improving efficiency.

[0009] Preferably, the docking unit consists of a plug interface, a plug rod, a spot welding head, an electrical interface, a first pressure plate, a second pressure plate and a plug hole, the plug interface is opened on the surface of the supporting plate, the plug rod is fixedly connected to the inside of the plug interface, the spot welding head is plugged into the inside of the plug interface, the first pressure plate is plugged into the inside of the plug interface, the second pressure plate is plugged into the inside of the plug interface, and the plug hole is opened on the surface of the spot welding head and the first pressure plate and the second pressure plate, which is convenient for docking and provides a connection support cavity for the spot welding head, which facilitates installation and improves installation efficiency.

[0010] Preferably, the limiting unit consists of a fixed block, a bearing connecting plate, a pressure block, a magnetic block and a magnetic port, the fixed block is fixedly connected to the top of the supporting plate, the bearing connecting plate is threadedly connected to the top of the fixed block, the pressure block is threadedly connected to the bottom of the other side of the bearing connecting plate, the magnetic block is fixedly connected to the bottom of the pressure block, and the magnetic port is opened at the top of the supporting plate, which plays a major limiting role, making it convenient for disassembly when the welding head is worn during later use, thereby improving disassembly efficiency.

[0011] Preferably, the insertion rod is distributed inside the plug interface and is located in a vertical line with the insertion rods distributed on the surface of the spot welding head, the first pressure plate and the second pressure plate, which is convenient for quick limiting, can prevent the spot welding head from shaking during use, and has high stability.

[0012] Preferably, the spot welding points of the spot welding head extend to the bottom of the carrier plate, and the spot welding head fits into the internal opening groove of the plug interface, so that the spot welding head can be extended to the outside to facilitate electric welding of the device.

[0013] Preferably, the pressing block is attached to the top of the second pressing plate and the magnetic block and the magnetic port at the bottom are magnetically attracted to each other, so that the pressing block can be limited by magnetic attraction and pressure can be applied to the top of the second pressing plate to achieve the purpose of limiting.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The combined welding fixture is provided with a plug-in method to plug the spot welding head, and then stabilized by the first pressing plate and the second pressing plate, and quickly limited by the oblique pressing block and magnetic suction method, so that the user can quickly operate when replacing the welding head, improve the replacement efficiency, and reduce the work downtime.

[0016] 2. The combined welding fixture has multiple plug rods distributed inside the plug interface, which are connected with the spot welding head and the plug holes on the surface of the first pressure plate and the second pressure plate to form a multi-point limit state, improve the installation stability of the welding head, and prevent shaking.

[0017] 3. The combined welding fixture can form a multi-angle pressing state by providing a first pressing plate and a second pressing plate of a large size and a small size. The protruding magnetic suction block at the bottom of the pressing block and the sunken magnetic suction port can improve the connection strength and increase the connection stability effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the expanded structure of the compression block of the utility model;

[0020] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0021] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. Installation mechanism; 101. Base; 102. Installation hole; 103. Connecting bottom plate; 104. Support connecting rod; 105. Load-bearing plate; 106. Threaded interface; 2. Connecting mechanism; 201. Plug interface; 202. Plug rod; 203. Spot welding head; 204. Electrical interface; 205. First pressing plate; 206. Second pressing plate; 207. Plug hole; 211. Fixed block; 212. Bearing connecting plate; 213. Pressing block; 214. Magnetic block; 215. Magnetic port. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4The utility model provides the following technical solution: a combined welding fixture, including a mounting mechanism 1 and a connecting mechanism 2, wherein the connecting mechanism 2 is clamped on the top of the mounting mechanism 1.

[0025] The connecting mechanism 2 includes a docking unit and a limiting unit. The docking unit is clamped on the top of the mounting mechanism 1, and the limiting unit is movably connected to the top of the docking unit.

[0026] The mounting mechanism 1 consists of a base 101, a mounting hole 102, a connecting base plate 103, a supporting connecting rod 104, a bearing plate 105 and a threaded interface 106. The mounting hole 102 is opened at the top of the base 101, the connecting base plate 103 is threadedly connected to the top of the base 101, the supporting connecting rod 104 is threadedly connected to the top of the connecting base plate 103, the bearing plate 105 is threadedly connected to the top of the supporting connecting rod 104, and the threaded interface 106 is opened on the surface of the bearing plate 105, which plays a major role in installation and bearing.

[0027] The docking unit is composed of a plug interface 201, a plug rod 202, a spot welding head 203, an electrical interface 204, a first pressure plate 205, a second pressure plate 206 and a plug hole 207. The plug interface 201 is opened on the surface of the carrier plate 105, and the plug rod 202 is fixedly connected to the inside of the plug interface 201. The plug rod 202 is distributed inside the plug interface 201, and is located in a vertical line with the spot welding head 203, the first pressure plate 205 and the plug rod 202 distributed on the surface of the second pressure plate 206, which is convenient for rapid limiting and has high stability. The spot welding head 203 is plugged into the inside of the plug interface 201, and the spot welding points of the spot welding head 203 extend to the bottom of the carrier plate 105. The spot welding head 203 fits into the internal opening groove of the plug interface 201, so that the spot welding head 203 can be conveniently welded by extending it to the outside. The first pressure plate 205 is plugged into the inside of the plug interface 201, and the second pressure plate 206 is plugged into the plug interface Inside 201, the plug hole 207 is opened on the surface of the spot welding head 203 and the first pressing plate 205 and the second pressing plate 206, which is convenient for docking and improving the installation efficiency. The limiting unit is composed of a fixed block 211, a bearing connecting piece 212, a pressing block 213, a magnetic block 214 and a magnetic suction port 215. The fixed block 211 is fixedly connected to the top of the bearing plate 105, the bearing connecting piece 212 is threadedly connected to the top of the fixed block 211, and the pressing block 213 is threadedly connected to the bottom of the other side of the bearing connecting piece 212. The pressing block 213 is attached to the top of the second pressing plate 206 and the magnetic suction block 214 and the magnetic suction port 215 at the bottom are magnetically attracted to each other, so that the pressing block 213 can be limited by magnetic attraction, and pressure is applied to the top of the second pressing plate 206 to achieve the purpose of limiting. The magnetic suction block 214 is fixedly connected to the bottom of the pressing block 213, and the magnetic suction port 215 is opened at the top of the bearing plate 105, which plays a major role in limiting.

[0028] When in use, the base 101 of the device is installed on the lifting head by bolts, and a connecting bottom plate 103 is added according to different processing conditions to increase the processing area, and the remaining supporting connecting rods 104 and the bearing plate 105 are installed in sequence, and the spot welding head 203 is inserted into the inside of the plug hole 207, and the first pressing plate 205 and the second pressing plate 206 are equipped, and the pressing block 213 is pressed and fixed by the magnetic suction block 214 and the magnetic suction port 215, and the circuit is connected to perform spot welding on the circuit board. When the circuit board is welded, if the spot welding head 203 is severely worn, the pressing block 213 is opened to disengage the pressing block 213, and the second pressing plate 206 and the first pressing plate 205 are taken out in turn, the electrical connection of the spot welding head 203 is disassembled, and the spot welding head 203 is pulled out, so as to achieve the effect of rapid replacement and reduce work downtime.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined welding fixture, comprising a mounting mechanism (1) and a connecting mechanism (2), characterized in that: The connecting mechanism (2) is snap-connected to the top of the mounting mechanism (1); The connection mechanism (2) comprises a docking unit and a limiting unit, the docking unit is clamped on the top of the installation mechanism (1), and the limiting unit is movably connected to the top of the docking unit; The mounting mechanism (1) is composed of a base (101), a mounting hole (102), a connecting base plate (103), a supporting connecting rod (104), a bearing plate (105) and a threaded interface (106); the mounting hole (102) is opened at the top of the base (101); the connecting base plate (103) is threadedly connected to the top of the base (101); the supporting connecting rod (104) is threadedly connected to the top of the connecting base plate (103); the bearing plate (105) is threadedly connected to the top of the supporting connecting rod (104); and the threaded interface (106) is opened on the surface of the bearing plate (105); The docking unit is composed of a plug interface (201), an insertion rod (202), a spot welding head (203), an electrical interface (204), a first pressure plate (205), a second pressure plate (206) and a plug hole (207); the plug interface (201) is opened on the surface of the carrier plate (105); the insertion rod (202) is fixedly connected to the inside of the plug interface (201); the spot welding head (203) is plugged into the inside of the plug interface (201); the first pressure plate (205) is plugged into the inside of the plug interface (201); the second pressure plate (206) is plugged into the inside of the plug interface (201); and the plug hole (207) is opened on the surfaces of the spot welding head (203), the first pressure plate (205) and the second pressure plate (206); The limiting unit is composed of a fixed block (211), a bearing connecting piece (212), a pressing block (213), a magnetic block (214) and a magnetic port (215); the fixed block (211) is fixedly connected to the top of the bearing plate (105); the bearing connecting piece (212) is threadedly connected to the top of the fixed block (211); the pressing block (213) is threadedly connected to the bottom of the other side of the bearing connecting piece (212); the magnetic block (214) is fixedly connected to the bottom of the pressing block (213); and the magnetic port (215) is opened at the top of the bearing plate (105).

2. A combined welding fixture according to claim 1, characterized in that: The insertion rod (202) is distributed inside the insertion interface (201), and is located on a vertical line with the insertion rod (202) distributed on the surface of the spot welding head (203), the first pressing plate (205), and the second pressing plate (206).

3. A combined welding fixture according to claim 2, characterized in that: The spot welding point of the spot welding head (203) extends to the bottom of the carrier plate (105), and the spot welding head (203) fits into the internal opening groove of the plug interface (201).

4. The combined welding fixture according to claim 3, characterized in that: The pressing block (213) is attached to the top of the second pressing plate (206), and the magnetic attraction block (214) and the magnetic attraction port (215) located at the bottom are magnetically attracted to each other.

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