Stud welding gun convenient to overhaul

Abstract

The utility model discloses a stud welding gun convenient to overhaul, which belongs to the technical field of stud welding and comprises a gun body provided with a containing cavity. The cylinder body can be mounted in the accommodating cavity in an axial moving manner; the lifting assembly is installed in the containing cavity, and the lifting assembly is located above the cylinder body and connected with the top end of the cylinder body; the receiving block is located below the gun body, the top end of the receiving block is fixedly connected with the bottom end of the cylinder body, and the bottom end of the receiving block is connected with the clamping device; and the welding cable is located on one side of the gun body, and the electric connection end of the welding cable is fixedly connected with the receiving block. According to the utility model, not only can the problems of difficult maintenance and disassembly, long maintenance time and inconvenient maintenance caused by damage of the welding cable be solved, but also the service life of the welding cable is prolonged, the phenomenon of ablation of the connecting conductive surface of the cylinder body and the receiving block is avoided, and the maintenance cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of stud welding, in particular to a stud welding gun which is easy to repair. Background Art

[0002] Stud welding is a method of contacting one end of a stud with the surface of a plate (or pipe), energizing the arc, and then applying a certain pressure to the stud to complete the welding after the contact surface melts. A stud welding gun is the equipment used for stud welding operations.

[0003] like Figure 4 As shown, the basic structure of the existing stud welding gun includes: a gun body 10, a lifting assembly 30, a spring 70, a cylinder body 20, a push rod 80, a receiving block 40, a clamp 50 and a welding cable 60. The lifting assembly 30, the spring 70 and the cylinder body 20 are installed in the accommodating cavity of the gun body 10 from top to bottom, and the lifting assembly 30 can lift the cylinder body 20 upward; one side of the top end of the receiving block 40 is fixedly connected to the bottom end of the cylinder body 20, the other side of the top end is connected to the stud supply mechanism 90, and the bottom end is fixedly connected to the clamp 50; the top end of the push rod 80 is fixedly connected to the piston in the cylinder body 20, and the bottom end extends axially into the receiving block 40, so that the stud delivered from the stud supply mechanism 90 is pushed into the clamp 50 through the axial movement of the push rod 80; the electrical connection end of the welding cable 60 passes through the gun body 10 and is connected to the top end of the cylinder body 20, so that the top end of the stud is connected to the electrode through the conductive effect of the cylinder body 20, the receiving block 40 and the clamp 50.

[0004] In actual production activities, the cylinder body frequently rises and falls, which can easily cause damage to the welding cable (poor contact between the welding cable and the cylinder body, or broken circuit at the bending position of the welding cable). However, due to the high integration of existing stud welding guns, the welding cable and the cylinder body are electrically connected inside the gun body. During maintenance, the entire stud welding gun needs to be disassembled, resulting in time-consuming and labor-intensive repairs or maintenance. At the same time, the receiving block is the main component for current conduction. If the connection between the receiving block and the cylinder body is loose (improper installation), it will cause the conductive surface of the connection between the receiving block and the cylinder body to burn, causing abnormal damage to the equipment and increased maintenance costs.

[0005] Therefore, how to realize convenient maintenance of stud welding guns has become a technical problem to be solved urgently by those skilled in the art. Utility Model Content

[0006] In view of this, the purpose of the present invention is to provide a stud welding gun that is easy to repair, so as to solve the technical problem that the existing stud welding guns are inconvenient to repair.

[0007] The technical solution adopted by the utility model is: a stud welding gun that is easy to repair, comprising:

[0008] A gun body, wherein the gun body has an accommodating cavity;

[0009] A cylinder body, the cylinder body being axially movable and mounted in the accommodating cavity;

[0010] A lifting assembly is installed in the accommodating cavity, and the lifting assembly is located above the cylinder body and connected to the top end of the cylinder body;

[0011] A receiving block, the receiving block is located below the gun body, the top end of the receiving block is fixedly connected to the bottom end of the cylinder body, and the bottom end of the receiving block is connected to the clamper;

[0012] A welding cable is located on one side of the gun body, and an electrical connection end of the welding cable is fixedly connected to the receiving block.

[0013] Preferably, an electrical connection seat is fixedly connected to one side of the receiving block, a cover plate is fixedly mounted on the electrical connection seat, and an accommodating groove for accommodating the electrical connection end of the welding cable is formed between the electrical connection seat and the cover plate.

[0014] Preferably, the accommodating groove is formed on the surface of the electrical connection seat, and a crimping boss corresponding to the accommodating groove is formed on the cover plate.

[0015] Preferably, the crimping boss and the accommodating groove are coaxially arranged.

[0016] Preferably, the cover plate is fixedly connected to the electrical connection seat by screws.

[0017] Preferably, the receiving block is connected to the cylinder flange.

[0018] Beneficial effects of the utility model:

[0019] The utility model arranges the welding cable outside the gun body and directly electrically connects the electrical connection end of the welding cable with the receiving block of the supply stud, thereby changing the current conduction path. This not only avoids the occurrence of ablation of the connecting conductive surface of the receiving block and the cylinder body, but also increases the bending radius of the welding cable, reduces the probability of the welding cable breaking, and is convenient for maintenance personnel to inspect and maintain the welding cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of a stud welding gun that is easy to maintain according to the present invention;

[0021] Figure 2 It is a structural diagram of the receiving block;

[0022] Figure 3 is a three-dimensional schematic diagram of the cover;

[0023] Figure 4 It is a structural schematic diagram of an existing stud welding gun.

[0024] Description of reference numerals in the figures:

[0025] 10. Gun body;

[0026] 20. Cylinder body;

[0027] 30. Lifting components;

[0028] 40. Receiving block; 41. Electrical connection base; 42. Cover plate; 43. Accommodating groove; 44. Pressing boss; 45. Screw; 46. Connecting flange;

[0029] 50. Clamp;

[0030] 60. Welding cables;

[0031] 70. Spring;

[0032] 80. Putting;

[0033] 90. Stud supply mechanism. DETAILED DESCRIPTION

[0034] The following is a further detailed description of the specific embodiments of the present invention in conjunction with the accompanying drawings. These embodiments are only used to illustrate the present invention, and are not intended to limit the present invention.

[0035] In the description of the present invention, it should be noted that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0036] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0037] In addition, in the description of the present invention, unless otherwise specified, “a plurality of” means two or more.

[0038] Examples, such as Figure 1 、 Figure 2 and Figure 3 As shown, a stud welding gun that is easy to maintain includes: a gun body 10, a cylinder body 20, a lifting assembly 30, a receiving block 40 and a welding cable 60, the gun body 10 has a accommodating chamber; the cylinder body 20 is coaxially installed in the accommodating chamber, and the cylinder body 20 can move axially in the accommodating chamber; the lifting assembly 30 is installed in the accommodating chamber, and the lifting assembly is located above the cylinder body 20 and is connected to the top of the cylinder body 20, for pulling the cylinder body 20 upward; the receiving block 40 is located below the gun body 10, and the top of the receiving block 40 is fixedly connected to the bottom end of the cylinder body 20, and the bottom end of the receiving block 40 is connected to the clamper 50; the welding cable 60 is located on one side of the gun body 10, and the electrical connection end of the welding cable 60 is fixedly connected to the receiving block 40.

[0039] The present application arranges the welding cable 60 outside the gun body 10, and directly electrically connects the electrical connection end of the welding cable 60 to the receiving block 40 of the supply stud, thereby changing the current conduction path. This not only avoids the occurrence of ablation of the connecting conductive surface of the receiving block 40 and the cylinder body 20, but also increases the bending radius of the welding cable 60, reduces the probability of the welding cable 60 being broken, and also facilitates maintenance personnel to inspect and maintain the welding cable 60.

[0040] Specific embodiment 1, as Figure 1 、 Figure 2 and Figure 3 As shown, a stud welding gun that is easy to maintain includes: a gun body 10, a cylinder body 20, a lifting assembly 30, a receiving block 40 and a welding cable 60, the gun body 10 has a vertically arranged accommodating chamber; the cylinder body 20 is coaxially installed in the accommodating chamber, and the cylinder body 20 can move axially in the accommodating chamber, and a push rod 80 is coaxially installed in the cylinder body 20, the top end of the push rod 80 is connected to the cylinder body 20 through a piston, and the bottom end of the push rod 80 extends axially to the outside of the cylinder body 20; the lifting assembly 30 is fixedly installed in the accommodating chamber, and the lifting assembly 30 is located above the cylinder body 20 and connected to the top end of the cylinder body 20 (the connection between the lifting assembly 30 and the cylinder body 20 belongs to the existing technology and will not be repeated here), which is used to pull the cylinder body 20 upward.

[0041] The receiving block 40 is located below the gun body 10, and a connecting flange 46 is formed on one side of the top end of the receiving block 40. The connecting flange 46 is detachably fixedly connected to the bottom end of the cylinder body 20 by a hexagon socket screw. The bottom end of the receiving block 40 is fixedly connected to the clamp 50, and the other side of the top end of the receiving block 40 is connected to the stud supply mechanism 90 for delivering studs to the clamp 50.

[0042] An electrical connection seat 41 is fixedly connected to one side of the receiving block 40, a cover plate 42 is fixedly mounted on the electrical connection seat 41, and a receiving groove 43 is formed between the electrical connection seat 41 and the cover plate 42; the welding cable 60 is located on one side of the gun body 10, and the electrical connection end of the welding cable 60 is located in the receiving groove 43, and the receiving block 40 is electrically connected to the welding cable 60.

[0043] In other embodiments, Figure 2 and Figure 3 As shown, the accommodating groove 43 is formed on the surface of the electrical connection seat 41, that is, the accommodating groove 43 is formed on the side of the electrical connection seat 41 close to the cover plate 42, and a crimping boss 44 corresponding to the accommodating groove 43 is formed on the cover plate 42, that is, a crimping boss 44 is formed on the side of the cover plate 42 close to the electrical connection seat 41, and the cross-sections of the accommodating groove 43 and the crimping boss 44 are semicircular or arc-shaped.

[0044] The cover plate 42 is fixedly connected to the electrical connection seat 41 by screws 45, and the crimping boss 44 is located in the accommodating groove 43. The crimping boss 44 is coaxial with the accommodating groove 43 so that the electrical connection end of the welding cable 60 is firmly crimped in the accommodating groove 43 to prevent the welding cable 60 from being electrically disconnected from the receiving block 40.

[0045] Compared with the existing technology, this application has at least the following beneficial technical effects:

[0046] This application not only solves the problems of difficult repair and disassembly, long repair time and inconvenient maintenance caused by damaged welding cables, but also extends the service life of the welding cables, avoids the occurrence of ablation of the conductive surface connecting the cylinder body and the receiving block, and saves maintenance costs.

[0047] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and replacements can be made without departing from the technical principles of the present invention. These improvements and replacements should also be regarded as the scope of protection of the present invention.

Claims

1. A stud welding gun that is easy to maintain, characterized in that: include: A gun body (10), wherein the gun body (10) has a receiving cavity; A cylinder body (20), the cylinder body (20) being installed in the accommodating cavity so as to be axially movable; A lifting assembly (30), the lifting assembly (30) is installed in the accommodating cavity, and the lifting assembly (30) is located above the cylinder body (20) and connected to the top end of the cylinder body (20); A receiving block (40), the receiving block (40) is located below the gun body (10), and the top end of the receiving block (40) is fixedly connected to the bottom end of the cylinder body (20), and the bottom end of the receiving block (40) is connected to the clamp (50); A welding cable (60) is located on one side of the gun body (10), and an electrical connection end of the welding cable (60) is fixedly connected to the receiving block (40).

2. A stud welding gun that is easy to maintain according to claim 1, characterized in that: An electrical connection seat (41) is fixedly connected to one side of the receiving block (40), a cover plate (42) is fixedly mounted on the electrical connection seat (41), and a receiving groove (43) for receiving the electrical connection end of the welding cable (60) is formed between the electrical connection seat (41) and the cover plate (42).

3. A stud welding gun that is easy to maintain according to claim 2, characterized in that: The accommodating groove (43) is formed on the surface of the electrical connection seat (41), and a crimping boss (44) corresponding to the accommodating groove (43) is formed on the cover plate (42).

4. A stud welding gun that is easy to maintain according to claim 3, characterized in that: The crimping boss (44) and the accommodating groove (43) are coaxially arranged.

5. The stud welding gun that is easy to maintain according to claim 2, characterized in that: The cover plate (42) is fixedly connected to the electrical connection seat (41) via screws (45).

6. A stud welding gun that is easy to maintain according to any one of claims 1 to 5, characterized in that: The receiving block (40) is flange-connected to the cylinder body (20).

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