CN213135409U

CN213135409U - Electrode head structure for resistance welding

Info

Publication number: CN213135409U
Application number: CN202021349311.6U
Authority: CN
Inventors: 沈赢
Original assignee: Shanghai Tongcheng Auto Parts Co ltd
Current assignee: Shanghai Tongcheng Auto Parts Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-05-07
Anticipated expiration: 2030-07-10

Abstract

The utility model discloses an electrode tip structure for resistance welding, including frame and supporting seat, the electrode tip structure includes welding mechanism and coupling mechanism, welding mechanism includes the first spring connection piece that one side of frame was provided with, the bottom surface of first spring connection piece is provided with the upper electrode mount pad, the top surface of first spring connection piece is provided with the gim peg, upper electrode mount pad and first spring connection piece are connected through the gim peg, the inside of upper electrode mount pad is penetrated and is had the upper electrode tip, can be stable with the double-screw bolt weld in the sheet metal component surface with resistance welding form, promote the stability of welding quality, save numerous special welding equipment and manual work, very big saving development cost, intensity is higher, and utilize electrode contact to weld, can effectively improve the welded precision, can be simultaneously with the double-screw bolt nimble installation in any mechanism department of spot welding sheet metal component, the practicality is stronger, and the operation is more convenient.

Description

Electrode head structure for resistance welding

Technical Field

The utility model belongs to the technical field of welding process, concretely relates to resistance welds uses electrode tip structure.

Background

The method is a method for locally heating a desired part by using resistance heat generated by current passing through a weldment and a contact part as a heat source and simultaneously pressurizing for welding, metal does not need to be filled during welding, the production efficiency is high, the weldment is small in deformation, automation is easy to realize, the process is an innovative stud welding process based on the traditional stud planting welding process, stud welding is performed by adopting a resistance welding principle, the existing welding equipment is poor in connection stability, and the device is complex in structure; meanwhile, the electrode tip is easy to wear due to contact, so that the current supply effect is poor, rapid disassembly and assembly are not convenient, and the working efficiency is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electrode head structure for resistance welding, which aims to solve the problems that the prior welding equipment has poor connection stability and complicated device structure in the background technology; meanwhile, the electrode tip is easy to wear, so that the current supply effect is poor, rapid disassembly and assembly are not convenient, and the working efficiency is improved.

In order to achieve the above object, the utility model provides a following technical scheme: electrode tip structure for resistance welding, including frame and supporting seat, the electrode tip structure includes welding mechanism and coupling mechanism, the first spring connection piece that welding mechanism includes that one side of frame is provided with, the bottom surface of first spring connection piece is provided with the electrode mount pad, the top surface of first spring connection piece is provided with the gim peg, go up the electrode mount pad and be connected through the gim peg with first spring connection piece, the electrode tip has been worn to penetrate in the inside of going up the electrode mount pad, one side fixed surface of supporting seat is connected with the second spring connection piece, the top surface of second spring connection piece is connected with the bottom electrode mount pad, the inside fixedly connected with lower electrode tip of bottom electrode mount pad, the electrode tip is in the bottom surface of electrode tip down.

Preferably, the connecting mechanism comprises an inner groove formed in the top surface of the upper electrode head, a spring is arranged on the bottom wall surface of the inner groove, a clamping block is fixedly connected to the outer surface of the upper electrode head, the bottom surface of the clamping block is located on the top end surface of the spring, a bolt hole is formed in the inner wall surface of the inner groove, a bolt is arranged inside the bolt hole, and the top end of the bolt is fixedly connected with the clamping block.

Preferably, the top end surface of the upper electrode head is provided with a wear-resistant layer, and the upper electrode head and the lower electrode head are connected to form a stud.

Preferably, the surface of the top end of the lower electrode tip is provided with a scratch-resistant layer, and a fixing bolt is fixed at the joint of the second spring connecting sheet and the supporting seat.

Preferably, the inner wall surface of the inner groove is fixedly connected with a limiting block, and one end of the spring is fixedly connected with the inner wall surface of the inner groove.

Preferably, the number of the fixture blocks is two, and the fixture blocks are symmetrically distributed on the outer surface of the upper electrode head.

Preferably, the outer surface of the stop block is provided with anti-slip threads, and the outer surface of the bolt is in threaded connection with the inner wall surface of the bolt hole.

Preferably, the middle part of the outer end face of the bolt is axially provided with an inner hexagonal fastening groove, and one side surface of the stop block is tightly attached to the top end surface of the stop block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the welding structure who designs, can be stable with the double-screw bolt with resistance welding form weld in the sheet metal component surface, promote welding quality's stability, save numerous and complicated special welding equipment and manual work, very big saving development cost, intensity is higher, and utilizes electrode contact to weld, can effectual improvement welded precision, can be with the double-screw bolt nimble any mechanism department of installing in spot welding sheet metal component simultaneously, the practicality is stronger, it is more convenient to operate.

2. Through the coupling mechanism who designs, can carry out quick dismantlement installation to last electrode head, thereby guaranteed when the motor head takes place wearing and tearing, can carry out effective quick change, improve the work efficiency of its dismouting, simultaneously after electrode head surperficial pushes down and provides the electric current on the contact of robot soldering turret, the elasticity of usable spring, make it push down the contact force and receive the buffering, thereby it is great to avoid direct contact and the power of pushing down, thereby damage the sheet metal component surface, cause the sheet metal component to damage, the contact of upper and lower electrode tip has also been protected equally, reduce wearing and tearing, the adaptation life of electrode tip has been strengthened.

Drawings

FIG. 1 is a perspective view of the structural position of the resistance welding electrode tip of the present invention;

FIG. 2 is a schematic view of a structural part of the electrode head for resistance welding of the present invention;

FIG. 3 is a side view of a portion of the electrode tip structure for resistance welding of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

in the figure: 1. a machine base; 2. an upper electrode mount; 3. a first spring connecting piece; 4. an upper electrode head; 5. A lower electrode mount; 6. a second spring connecting piece; 7. a lower electrode tip; 8. a fixing bolt; 9. a stud; 10. An inner tank; 11. a spring; 12. a limiting block; 13. a clamping block; 14. bolt holes; 15. a bolt; 16. a stopper; 17. and (4) supporting the base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: electrode tip structure for resistance welding, including frame 1 and supporting seat 17, the electrode tip structure includes welding mechanism and coupling mechanism, welding mechanism includes first spring coupling piece 3 that one side of frame 1 was provided with, the bottom surface of first spring coupling piece 3 is provided with electrode mount pad 2, the top surface of first spring coupling piece 3 is provided with gim peg 8, go up electrode mount pad 2 and be connected through gim peg 8 with first spring coupling piece 3, last electrode tip 4 has been worn to penetrate in the inside of last electrode mount pad 2, one side fixed surface of supporting seat 17 is connected with second spring coupling piece 6, the top surface of second spring coupling piece 6 is connected with lower electrode mount pad 5, electrode tip 7 under the inside fixedly connected with of lower electrode mount pad 5, lower electrode tip 7 is in the bottom surface of last electrode tip 4.

For the convenience of connection, in this embodiment, preferably, the connection mechanism includes an inner groove 10 formed on the top surface of the upper electrode head 4, a spring 11 is disposed on the bottom wall surface of the inner groove 10, a fixture block 13 is fixedly connected to the outer surface of the upper electrode head 4, the bottom surface of the fixture block 13 is located on the top end surface of the spring 11, a bolt hole 14 is formed on the inner wall surface of the inner groove 10, a bolt 15 is disposed inside the bolt hole 14, and a stop 16 is fixedly connected to the top end of the bolt 15.

In order to avoid the excessive wear and increase the cost, in this embodiment, preferably, the top surface of the upper electrode head 4 is provided with a wear-resistant layer, and the upper electrode head 4 is connected with the lower electrode head 7 to form a stud 9.

In order to protect the motor head, in this embodiment, preferably, the top end surface of the lower electrode tip 7 is provided with a scratch-resistant layer, and a fixing bolt 8 is fixed at the joint of the second spring connecting sheet 6 and the supporting seat 17.

In order to facilitate the abutting and fixing of the spring, in this embodiment, preferably, the inner wall surface of the inner groove 10 is fixedly connected with the limiting block 12, and one end of the spring 11 is fixedly connected with the inner wall surface of the inner groove 10.

In order to facilitate the fastening of the stationary electrode head, in this embodiment, it is preferable that the number of the fixture blocks 13 is two, and the fixture blocks 13 are symmetrically distributed on the outer surface of the upper electrode head 4.

In order to facilitate the screw fastening, in this embodiment, it is preferable that the outer surface of the stopper 16 is provided with an anti-slip thread, and the outer surface of the bolt 15 is screw-coupled with the inner wall surface of the bolt hole 14.

In order to block the movement of the electrode tip, in this embodiment, preferably, an inner hexagonal fastening groove is axially formed in the middle of the outer end surface of the bolt 15, and one side surface of the stopper 16 is tightly attached to the top end surface of the latch 13.

The utility model discloses a theory of operation and use flow: when the device is used, a first spring connecting sheet 3 is firstly placed at the joint of a machine base 1 and connected with the first spring connecting sheet 3, and is fastened by using a fixing bolt 8, meanwhile, an upper electrode head 4 penetrates through the middle part of an upper electrode mounting seat 2, so that the upper electrode head 4 is positioned at the corresponding position of a lower electrode head 7, the lower electrode head 7 is positioned on the top end surface of a lower electrode mounting seat 5, firstly, a stud is placed at the corresponding position of a lower electrode, a sheet metal part to be processed is placed on a welding table top, according to a fixing clamp on equipment, the sheet metal part to be processed is fixed, the sheet metal part deviation and position deviation in the welding process are avoided, a welding tongs of a welding robot can provide current and pressure to contact the top surface of the upper electrode head 4, the welding process is carried out, the stud can be quickly welded on the surface of the sheet metal part, and the welding stability is stronger, the efficiency is higher, the accuracy of the welding position is improved, the welding tongs are in direct contact with the surface of the electrode, the electrode is easy to wear after long-time use, and the welding tongs are prevented from being worn

When the device is used, the upper electrode head 4 can penetrate through the upper electrode mounting seat 2, so that the clamping blocks 13 at two sides of the upper electrode head 4 are respectively contacted with the spring 11 in the inner groove 10, after the upper electrode head 4 is pressed downwards, the bolt 15 is in screw connection with the bolt hole 14, so that the bottom end of the stop block 16 is positioned at the corresponding position of the clamping block 13, when the upper electrode head 4 is released, the elastic force of the spring 11 can be released, the clamping block 13 can be pushed to move upwards, the bottom surface of the stop block 16 is tightly attached to the top surface of the clamping block 13, the clamping block 13 is limited, the upper electrode head 4 can be fixed in the upper electrode mounting seat 2, the processing is more convenient, the dismounting and the use are more convenient, and simultaneously, when the robot welding tongs are contacted with the surface of the upper electrode head 4 to be pressed downwards and provide current, the pressing contact force of the upper electrode head can be buffered by the elastic force of, thereby damage the sheet metal component surface, cause the sheet metal component to damage, also protected the contact of upper and lower electrode tip, reduce wearing and tearing, strengthened the adaptation life of electrode tip.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Resistance welds uses electrode tip structure, including frame (1) and supporting seat (17), its characterized in that: the electrode tip structure comprises a welding mechanism and a connecting mechanism, the welding mechanism comprises a first spring connecting sheet (3) arranged on one side of a machine base (1), the bottom end surface of the first spring connecting sheet (3) is provided with an upper electrode mounting seat (2), the top end surface of the first spring connecting sheet (3) is provided with a fixed bolt (8), the upper electrode mounting seat (2) is connected with the first spring connecting sheet (3) through a fixing bolt (8), an upper electrode head (4) penetrates through the upper electrode mounting seat (2), a second spring connecting sheet (6) is fixedly connected with the surface of one side of the supporting seat (17), the top surface of the second spring connecting sheet (6) is connected with a lower electrode mounting seat (5), the interior of the lower electrode mounting seat (5) is fixedly connected with a lower electrode tip (7), the lower electrode head (7) is positioned on the bottom end surface of the upper electrode head (4).

2. The electrode head structure for resistance welding according to claim 1, characterized in that: the connecting mechanism comprises an inner groove (10) formed in the top surface of the upper electrode head (4), a spring (11) is arranged on the bottom wall surface of the inner groove (10), a clamping block (13) is fixedly connected to the outer surface of the upper electrode head (4), the bottom surface of the clamping block (13) is located on the top end surface of the spring (11), a bolt hole (14) is formed in the inner wall surface of the inner groove (10), a bolt (15) is arranged inside the bolt hole (14), and a stop block (16) is fixedly connected to the top end of the bolt (15).

3. The electrode head structure for resistance welding according to claim 1, characterized in that: the wear-resistant layer is arranged on the top end surface of the upper electrode head (4), and the stud (9) is connected between the upper electrode head (4) and the lower electrode head (7).

4. The electrode head structure for resistance welding according to claim 1, characterized in that: the top end surface of the lower electrode tip (7) is provided with a scratch-resistant layer, and a fixing bolt (8) is fixed at the joint of the second spring connecting sheet (6) and the supporting seat (17).

5. The electrode head structure for resistance welding according to claim 2, characterized in that: the inner wall surface of the inner groove (10) is fixedly connected with a limiting block (12), and one end of the spring (11) is fixedly connected with the inner wall surface of the inner groove (10).

6. The electrode head structure for resistance welding according to claim 2, characterized in that: the number of the clamping blocks (13) is two, and the clamping blocks (13) are symmetrically distributed on the outer surface of the upper electrode head (4).

7. The electrode head structure for resistance welding according to claim 2, characterized in that: the outer surface of the stop block (16) is provided with anti-slip threads, and the outer surface of the bolt (15) is in spiral connection with the inner wall surface of the bolt hole (14).

8. The electrode head structure for resistance welding according to claim 2, characterized in that: an inner hexagonal fastening groove is formed in the middle of the outer end face of the bolt (15) along the axial direction, and the surface of one side of the stop block (16) is tightly attached to the surface of the top end of the clamping block (13).