CN213437766U

CN213437766U - Electric resistance welding gun

Info

Publication number: CN213437766U
Application number: CN202021595951.5U
Authority: CN
Inventors: 胡伟; 陈镇磊; 张佳威
Original assignee: Ningbo Anleide Auto Parts Co ltd
Current assignee: Ningbo Anleide Auto Parts Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-06-15
Anticipated expiration: 2030-08-05

Abstract

The utility model relates to a resistance welding welder, including the side piece, the pivot, the movable block, the fixed block, the strut frame, a support, the backplate, first U type piece, weld arm assembly and drive assembly, the side piece is located the right side of fixed block, the movable block is located the top of fixed block, the lower extreme of movable block is rotatable through the pivot of transverse distribution and is connected in the upper end of fixed block, the right-hand member of pivot is fixed on the side piece, the lower extreme of fixed block and the upper end of movable block all are fixed with a detachable first U type piece, all be equipped with a welding arm assembly between fixed block and a first U type piece of downside and between movable block and a first U type piece of upside, drive assembly locates between two welding arm assemblies; the utility model discloses an assembled welding arm is in order to lighten weight, and conveniently aligns two spot welding heads, can also adjust the mounted position of cylinder, has greatly made things convenient for the use to application scope has been enlarged.

Description

Electric resistance welding gun

Technical Field

The utility model relates to a resistance welding welder.

Background

Resistance welding, it is to use the resistance heat that electric current produced through weldment and contact department as the heat source will want a local heating, pressurize the method of carrying on the welding simultaneously, the welder of resistance welding is equipped with two spot welding heads that can separate each other and draw close together in order to compress tightly respectively in treating the both sides of welding the work piece, and then accomplish the welding, the welding arm of the existing resistance welding welder is mostly all integrated into one piece, the weight is heavy, and the counterpoint of two spot welding heads is comparatively troublesome, in addition, the mounted position of cylinder also can't be adjusted, it is comparatively inconvenient to use, lead to application scope less, await further improvement.

Disclosure of Invention

To the present situation of the prior art, the technical problem to be solved in the present invention is to provide a resistance welding torch which reduces the weight and greatly facilitates the use, thereby enlarging the application range.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a resistance welding torch characterized in that: comprises a side block, a rotating shaft, a moving block, a fixed block, a support frame, a bracket, a guard plate, a first U-shaped block, a welding arm component and a driving component, the side block is arranged at the right side of the fixed block, the movable block is arranged above the fixed block, the lower end of the movable block is rotatably connected with the upper end of the fixed block through a rotating shaft which is transversely distributed, the right end of the rotating shaft is fixed on the side block, the guard plate is arranged at the front side of the joint of the fixed block and the movable block and is fixed at the front side of the side block, the bracket is fixed between the rear side of the fixed block and the left side of the side block, the bracket is fixed on the right side of the side block, the lower end of the fixed block and the upper end of the movable block are both fixed with a first detachable U-shaped block, and a welding arm assembly is arranged between the fixed block and one first U-shaped block on the lower side and between the movable block and one first U-shaped block on the upper side, and the driving assembly is arranged between the two welding arm assemblies.

Further, the welding arm assembly comprises a cross beam, an elongated plate, a stop block and a spot welding head; the two lengthened plates are symmetrically fixed on the left side and the right side of the front end of the cross beam, a plurality of stop blocks are fixed between the two lengthened plates, and the spot welding head is fixed between the front ends of the two lengthened plates.

Furthermore, the cross beam in the welding arm assembly on the upper side is fixedly inserted between the movable block and the first U-shaped block on the upper side; the beam in the lower welding arm assembly is inserted and fixed between the fixed block and a first U-shaped block on the lower side.

Further, the driving assembly comprises a first base, a second U-shaped block, a second base, a third U-shaped block, an extension piece and a cylinder; the first base and the second U-shaped block are respectively arranged on the upper side and the lower side of the rear end of one cross beam on the lower side and are fixed with each other, the third U-shaped block and the second base are respectively arranged on the upper side and the lower side of the rear end of one cross beam on the upper side and are fixed with each other, the number of the extension pieces is two, and the two extension pieces are symmetrically fixed on the left side and the right side of the first base; the cylinder is rotatably connected between the two extension pieces, and the telescopic end of the cylinder is rotatably connected to the second base.

Furthermore, a first U-shaped groove is formed in the lower end of the fixed block, a second U-shaped groove is formed in the upper end of the movable block, the lower portion of the cross beam on the upper side is embedded into the second U-shaped groove, and the first U-shaped block on the upper side is sleeved on the outer side of the upper portion of the cross beam on the upper side and fixed to the upper end of the movable block.

Furthermore, the upper part of one crossbeam on the lower side is embedded into the first U-shaped groove, and the first U-shaped block on the lower side is sleeved on the lower part of one crossbeam on the lower side and fixed at the lower end of the fixed block.

Furthermore, a third U-shaped groove is formed in the lower end of the first base, and the rear end of one beam on the lower side is inserted between the third U-shaped groove and the second U-shaped block; a fourth U-shaped groove is formed in the upper end of the second base, and the rear end of the beam on the upper side is inserted between the fourth U-shaped groove and the third U-shaped block.

Compared with the prior art, the utility model has the advantages of: the utility model discloses an assembled welding arm is in order to lighten weight, and conveniently aligns two spot welding heads, can also adjust the mounted position of cylinder, has greatly made things convenient for the use to application scope has been enlarged.

Drawings

Fig. 1 is a right front side structure diagram of the present invention.

Fig. 2 is a left rear structure view of the present invention.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

As shown in figures 1-2, an electric resistance welding gun comprises a side block 1, a rotating shaft 2, a movable block 5, a fixed block 3, a support frame 4, a support 6, a guard plate 7, a first U-shaped block 8, a welding arm assembly and a driving assembly, wherein the side block 1 is arranged on the right side of the fixed block 3, the movable block 5 is arranged above the fixed block 3, the lower end of the movable block 5 is rotatably connected to the upper end of the fixed block 3 through the rotating shaft 2 which is transversely distributed, the right end of the rotating shaft 2 is fixed on the side block 1, the guard plate 7 is arranged on the front side of the joint of the fixed block 3 and the movable block 5 and is fixed on the front side of the side block 1, the support frame 4 is fixed between the rear side of the fixed block 3 and the left side of the side block 1, the support 6 is fixed on the right side of the side block 1, the detachable first U-shaped block 8 is fixed on the lower end of the fixed block 3 and the upper end of the movable block 5, a welding arm assembly is arranged between the fixed block 3 and one first U, the driving assembly is arranged between the two welding arm assemblies; the welding arm assembly comprises a cross beam 9, an elongated plate 10, a stop block 12 and a spot welding head 11; the two lengthened plates 10 are symmetrically fixed on the left side and the right side of the front end of the cross beam 9, a plurality of stop blocks 12 are fixed between the two lengthened plates 10 to increase strength, a spot welding head 11 is fixed between the front ends of the two lengthened plates 10, and the cross beam 9 in one welding arm assembly on the upper side is fixedly inserted between the movable block 5 and one first U-shaped block 8 on the upper side; a cross beam 9 in a welding arm component at the lower side is fixedly inserted between the fixed block 3 and a first U-shaped block 8 at the lower side; the driving assembly comprises a first base 13, a second U-shaped block 14, a second base 17, a third U-shaped block 18, an extension piece 15 and an air cylinder 16; the first base 13 and the second U-shaped block 14 are respectively arranged on the upper side and the lower side of the rear end of one cross beam 9 on the lower side and are fixed with each other, the third U-shaped block 18 and the second base 17 are respectively arranged on the upper side and the lower side of the rear end of one cross beam 9 on the upper side and are fixed with each other, the two extension pieces 15 are symmetrically fixed on the left side and the right side of the first base 13; the air cylinder 16 is rotatably connected between the two extension pieces 15, and the telescopic end of the air cylinder 16 is rotatably connected to the second base 17; the lower end of the fixed block 3 is provided with a first U-shaped groove 31, the upper end of the movable block 5 is provided with a second U-shaped groove 51, the lower part of one beam 9 at the upper side is embedded in the second U-shaped groove 51, and one first U-shaped block 8 at the upper side is sleeved on the outer side of the upper part of one beam 9 at the upper side and fixed at the upper end of the movable block 5; the upper part of one crossbeam 9 at the lower side is embedded in the first U-shaped groove 31, and a first U-shaped block 8 at the lower side is sleeved on the lower part of one crossbeam 9 at the lower side and fixed at the lower end of the fixed block 3; the lower end of the first base 13 is provided with a third U-shaped groove 131, and the rear end of a cross beam 9 at the lower side is inserted between the third U-shaped groove 131 and the second U-shaped block 14; the upper end of the second base 17 is provided with a fourth U-shaped groove 171, and the rear end of one beam 9 on the upper side is inserted between the fourth U-shaped groove 171 and the third U-shaped block 18.

When in use: inserting and fixing the moving end of a manipulator in the bracket 6, driving the telescopic end of the cylinder 16 to contract inwards, further driving the rear end of one beam 9 on the upper side to swing downwards by virtue of the second base 17 and the third U-shaped block 18, further driving the two elongated plates 10 in one welding arm assembly on the upper side to swing upwards, further driving the spot welding head 11 in one welding arm assembly on the upper side to swing upwards to be separated from the spot welding head 11 in one welding arm assembly on the lower side, and enabling the cylinder 16 to rotate between the two elongated plates 15 when in work; then operating a robot hand to move the welding gun to a specified position, enabling the two spot welding heads 11 to be respectively positioned at two sides of the workpiece to be welded, finally driving the telescopic end of the air cylinder 16 to extend outwards, further enabling one spot welding head 11 at the upper side to swing downwards according to the same principle, and finally enabling the two spot welding heads 11 to respectively prop against two sides of the workpiece to be welded so as to carry out resistance welding; if the positions of the two spot welding heads 11 are not aligned, slightly loosening the two first U-shaped blocks 8, then moving the two cross beams 9 to enable the two spot welding heads 11 to be aligned with each other, and fixing the two first U-shaped blocks 8 firmly after the spot welding is completed; if the moving position of the air cylinder 16 is not suitable, the second U-shaped block 14 and the third U-shaped block 18 can be slightly loosened, then the positions of the first base 13 and the second base 17 on the two cross beams 9 are adjusted, and the second U-shaped block 14 and the third U-shaped block 18 are fixed firmly after the adjustment.

The utility model discloses an assembled welding arm is in order to lighten weight, and conveniently aligns two spot welding heads 11, can also adjust the mounted position of cylinder 16, has greatly made things convenient for the use to application scope has been enlarged.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A resistance welding torch characterized in that: comprises a side block, a rotating shaft, a moving block, a fixed block, a support frame, a bracket, a guard plate, a first U-shaped block, a welding arm component and a driving component, the side block is arranged at the right side of the fixed block, the movable block is arranged above the fixed block, the lower end of the movable block is rotatably connected with the upper end of the fixed block through a rotating shaft which is transversely distributed, the right end of the rotating shaft is fixed on the side block, the guard plate is arranged at the front side of the joint of the fixed block and the movable block and is fixed at the front side of the side block, the bracket is fixed between the rear side of the fixed block and the left side of the side block, the bracket is fixed on the right side of the side block, the lower end of the fixed block and the upper end of the movable block are both fixed with a first detachable U-shaped block, and a welding arm assembly is arranged between the fixed block and one first U-shaped block on the lower side and between the movable block and one first U-shaped block on the upper side, and the driving assembly is arranged between the two welding arm assemblies.

2. An electric resistance welding torch according to claim 1, wherein: the welding arm assembly comprises a cross beam, an elongated plate, a stop block and a spot welding head; the two lengthened plates are symmetrically fixed on the left side and the right side of the front end of the cross beam, a plurality of stop blocks are fixed between the two lengthened plates, and the spot welding head is fixed between the front ends of the two lengthened plates.

3. An electric resistance welding torch according to claim 2, wherein: the beam in the welding arm assembly on the upper side is fixedly inserted between the movable block and the first U-shaped block on the upper side; the beam in the lower welding arm assembly is inserted and fixed between the fixed block and a first U-shaped block on the lower side.

4. An electric resistance welding torch according to claim 3, wherein: the driving assembly comprises a first base, a second U-shaped block, a second base, a third U-shaped block, an extension piece and a cylinder; the first base and the second U-shaped block are respectively arranged on the upper side and the lower side of the rear end of one cross beam on the lower side and are fixed with each other, the third U-shaped block and the second base are respectively arranged on the upper side and the lower side of the rear end of one cross beam on the upper side and are fixed with each other, the number of the extension pieces is two, and the two extension pieces are symmetrically fixed on the left side and the right side of the first base; the cylinder is rotatably connected between the two extension pieces, and the telescopic end of the cylinder is rotatably connected to the second base.

5. An electric resistance welding torch according to claim 3, wherein: first U type groove has been seted up to the lower extreme of fixed piece, second U type groove has been seted up to the upper end of movable block, one of upside the lower part embedding of crossbeam is in second U type groove, one of upside first U type piece cover is established in the upper portion outside of a crossbeam of upside and is fixed in the upper end of movable block.

6. An electric resistance welding torch according to claim 5, wherein: the upper part of one crossbeam on the lower side is embedded into the first U-shaped groove, and the first U-shaped block on the lower side is sleeved on the lower part of one crossbeam on the lower side and fixed at the lower end of the fixed block.

7. An electric resistance welding torch according to claim 4, wherein: the lower end of the first base is provided with a third U-shaped groove, and the rear end of one beam on the lower side is inserted between the third U-shaped groove and the second U-shaped block; a fourth U-shaped groove is formed in the upper end of the second base, and the rear end of the beam on the upper side is inserted between the fourth U-shaped groove and the third U-shaped block.