CN215846240U

CN215846240U - Whole rifle connection structure of welder for air-cooled machine

Info

Publication number: CN215846240U
Application number: CN202023293025.5U
Authority: CN
Inventors: 孙广杨; 贾朋涛; 贾丰登
Original assignee: Shidibao Intelligent Equipment Suzhou Co ltd
Current assignee: Shidibao Intelligent Equipment Suzhou Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-02-18
Anticipated expiration: 2030-12-30

Abstract

The utility model relates to a whole gun connection structure of a welding gun for an air-cooled machine, which is characterized in that a lug is arranged at a cable joint, a quick-release fastening structure is formed by the lug and a limiting block at a connecting disc, only an empty pipe cone head of the cable joint needs to be inserted into cavities in the connecting disc and a welding gun seat in the dismounting process, the lug is noticed to be aligned with a through hole at the connecting disc to be inserted in the process, then the cable joint and the gun seat can be quickly butted by rotating a certain angle, and in the butting process of the gun neck and the gun seat, the gun neck joint is fixed in the welding gun seat only through a fastening nut, so that the gun neck joint and the gun neck can be fixed by manual operation, and the operation is convenient. The whole is in modularized butt joint, and the installation coaxiality, reliability and sealing performance of the cable and the gun seat can be effectively guaranteed.

Description

Whole rifle connection structure of welder for air-cooled machine

Technical Field

The utility model relates to the technical field of welding gun equipment, in particular to a whole gun connecting structure of a welding gun for an air cooling machine.

Background

The air-cooled machine welding gun is a welding equipment using protective gas to make expansion and heat absorption to make cooling, and is simple in structure, light in volume and extensive in welding field. The main part connecting the air-cooled welding gun and the welding machine is an air-cooled cable, the hollow position of the cable is a shielding gas channel, a layer of copper conductor is coated on the channel, and welding current is conducted to the gun neck through the copper conductor.

Generally speaking, need be connected through cable joint between cable and the welder, and cable joint docks with the stock again, and this kind of butt joint mode needs the workman to carry out the butt joint between cable joint and the stock usually, and this kind of connected mode is wasted time and energy, can't satisfy welding robot's automatic butt joint demand moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a whole gun connecting structure of a welding gun for an air cooling machine, which can quickly realize the disassembly and assembly of a cable, is convenient for a robot to carry out automatic operation, and can ensure the installation coaxiality, reliability and sealing property of the cable, a gun seat and a gun neck.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a whole-gun connecting structure of a welding gun for an air-cooled machine, which comprises a cable joint, a connecting disc, a welding gun seat, a gun neck joint and a fastening nut which are sequentially connected from back to front, wherein:

the rear end of the cable joint is fixedly connected with the air-cooled cable, the front end of the cable joint is an empty pipe conical head, and a convex block is arranged on the outer side of the empty pipe conical head along the radial direction;

the connecting disc is fixedly arranged at the rear end of the welding gun holder, a cavity is arranged in the welding gun holder, the hollow pipe conical head is inserted into the cavity from the rear end of the welding gun holder, a through hole communicated with the cavity is arranged in the connecting disc, a limiting block is fixedly arranged on the through hole, and a through hole matched with the outline of the outer edge of the lug is formed in the limiting block;

the integral gun neck joint is a hollow columnar connecting main body, the gun neck joint is inserted into the cavity from the front end of the welding gun base, and the gun neck is inserted and fixed on the gun neck joint;

and the fastening nut is provided with threads outside the front end of the welding gun base, the fastening nut is fixed at the front end of the welding gun base through the threads, and the middle part of the fastening nut is provided with a jack for inserting the gun neck.

For the above technical solution, the applicant has further optimization measures.

Optionally, the connecting pad includes connecting seat and connection piece, the connecting seat with the rear end fixed connection of welder gun stock, the connecting seat with the outside of connection piece all has the flange correspond on the flange and seted up the screw, fix through the retaining member connecting seat and connection piece.

Optionally, the limiting block is disposed in the through hole in the middle of the connecting sheet, and the contour of the through hole on the limiting block is the same as the contour of the outer edge of the projection disposed at the cable joint.

Optionally, the retaining member is one of a screw, a bolt, or a rivet.

Optionally, a blind hole having the same contour as the outer edge of the protrusion is formed in the side face of the front end of the limiting block, the rear end of the protrusion on the cable connector is clamped in the blind hole, and the foremost end of the hollow conical head of the cable connector abuts against the cavity.

Optionally, an inwardly concave positioning groove is formed in the head of the welding gun base, and a positioning piece adapted to the positioning groove is arranged at the front of the gun neck joint.

Optionally, the outside of spacer is provided with the location arch, the rifle neck is fixed on the location arch, the protruding middle part of location is provided with the hole that is linked together with rifle neck joint inner channel.

Optionally, the rear end of the projection on the cable joint abuts against the limiting block, and the foremost end of the hollow pipe conical head of the cable joint abuts against the rear end of the gun neck joint.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the whole gun connecting structure of the welding gun for the air-cooled machine, the lug is arranged at the cable joint, the lug and the limiting block at the connecting disc form a quick-dismantling type fastening structure, only the hollow pipe conical head of the cable joint needs to be inserted into the connecting disc and the cavity in the gun seat of the welding gun in the dismounting process, the lug is noticed to be aligned with the through hole at the connecting disc to be inserted in the process, then the cable joint and the gun seat can be quickly butted by rotating a certain angle, and in the butting process of the gun neck and the gun seat, the gun neck joint is fixed in the gun seat of the welding gun only through the fastening nut, so that the gun neck joint and the gun neck can be fixed by free-hand operation, and the operation is convenient. The whole is in modularized butt joint, and the installation coaxiality, reliability and sealing performance of the cable and the gun seat can be effectively guaranteed.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is an exploded view of an air-cooled machine welding gun connection according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view illustrating a whole gun connection structure of a welding gun for an air-cooled machine according to an embodiment of the present invention.

Wherein the reference numerals are as follows:

1. a cable joint 11, an empty pipe conical head 12 and a convex block;

2. the connecting plate 21, the connecting seat 22, the connecting sheet 23 and the limiting block;

3. a welding gun base 31 and a positioning groove;

4. gun neck joint, 41, connecting body, 42, positioning sheet, 43 and positioning projection

5. The tightening of the nut is carried out by tightening the nut,

6. a gun neck.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The embodiment provides a whole rifle connection structure of welder for air-cooled machine, as shown in fig. 1, fig. 2, whole rifle connection structure of welder includes by the cable joint 1 that the back links to each other in proper order to preceding, connection pad 2, welder gun stock 3, the neck of a gun connects 4 and fastening nut 5, wherein:

the cable joint 1 is characterized in that the rear end of the cable joint 1 is fixedly connected with an air-cooled cable, the front end of the cable joint 1 is an hollow pipe conical head 11, and a convex block 12 is arranged on the outer side of the hollow pipe conical head 11 along the radial direction;

the connecting disc 2 is fixedly arranged at the rear end of the welding gun holder 3, a cavity is arranged in the welding gun holder 3, the hollow pipe conical head 11 is inserted into the cavity from the rear end of the welding gun holder 3, a through hole communicated with the cavity is arranged in the connecting disc 2, a limiting block 23 is fixedly arranged on the through hole, and a through hole matched with the outline of the outer edge of the bump 12 is formed in the limiting block 23;

the integral gun neck joint 4 is a hollow columnar connecting main body 41, the front end of the welding gun base 3 is inserted into the cavity, and the gun neck 6 is inserted and fixed on the gun neck joint 4;

and the fastening nut 5 is provided with threads on the outer side of the front end of the welding gun base 3, the fastening nut 5 is fixed at the front end of the welding gun base 3 through the threads, and the middle part of the fastening nut 5 is provided with a jack for inserting the gun neck 6.

When butt joint with the robot, fix connection pad 2 on the robot through the retaining member, and the rear end of cable joint 1 passes through screw thread and cable butt joint, and insert the cavity in connection pad 2 and the welder gun seat 3 with the hollow cone 11 of cable joint 1, the in-process is noticed that lug 12 aims at the via hole of connection pad 2 department and is inserted, then rotatory certain angle can accomplish the quick butt joint of cable joint 1 and gun seat, and at the butt joint in-process of rifle neck 6 and gun seat, only fix rifle neck joint 4 in welder gun seat 3 through fastening nut 5, bare-handed operation just can realize the fixing of rifle neck joint 4 and rifle neck 6, the operation of being convenient for. The welding gun of the embodiment is integrally in modularized butt joint, and the installation coaxiality, reliability and sealing performance of the cable and the gun seat can be effectively guaranteed.

In an embodiment, the connecting disc 2 includes a connecting seat 21 and a connecting sheet 22, the connecting seat 21 is fixedly connected to the rear end of the welding gun holder 3, the connecting seat 21 and the connecting sheet 22 have flanges on the outer sides, screw holes are correspondingly formed in the flanges, and the connecting seat 21 and the connecting sheet 22 are fixed by a locking member. The locking member may be one of a screw, a bolt, or a rivet.

Adopt split type structure can be convenient for change connection piece 22 to adapt to the cable joint 1 of different structures, when connection pad 2 takes place to damage moreover, usually damage be exactly that stopper 23 department, therefore the structure that can break apart is convenient for maintain and change.

The limiting block 23 is arranged in the through hole in the middle of the connecting sheet 22, and the outline of the through hole on the limiting block 23 is the same as that of the outer edge of the projection 12 arranged at the cable joint 1.

In order to prevent the cable connector 1 from shaking after being inserted into the cavity of the welding gun base 3, two embodiments are available. One is to provide a blind hole with the same contour as the outer edge of the bump 12 on the side surface of the front end of the limit block 23, the rear end of the bump 12 on the cable joint 1 is clamped in the blind hole, and the foremost end of the hollow conical head 11 of the cable joint 1 is abutted in the cavity. The other way is that a blind hole with the same outline as the outer edge of the bump 12 is arranged on the side surface of the front end of the limit block 23, the rear end of the bump 12 on the cable joint 1 is clamped in the blind hole, and the foremost end of the hollow conical head 11 of the cable joint 1 is abutted with the rear end of the gun neck joint 4.

For the joint of the gun neck joint 4, in order to prevent the gun neck joint 4 from shaking on the welding gun base 3 and simultaneously positioning the device quickly and effectively, the head of the welding gun base 3 is provided with an inwards concave positioning groove 31, the front part of the gun neck joint 4 is provided with a positioning sheet 42 matched with the positioning groove 31, the outer side of the positioning sheet 42 is provided with a positioning bulge 43, the gun neck 6 is fixed on the positioning bulge 43, and the middle part of the positioning bulge 43 is provided with a hole communicated with an internal channel of the gun neck joint 4. It can be understood that the installation of the gun neck 6 can be completed by inserting the gun neck joint 4 into the cavity from the front end of the welding gun holder 3, quickly positioning and clamping through the matching of the positioning piece 42 and the positioning groove 31, then sleeving the fastening nut 5 on the front end of the gun neck 6, aligning the gun neck 6 with the positioning protrusion 43, inserting the fastening nut 5, and finally screwing the gun neck 5, and the installation is convenient, quick and effective.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the utility model, and not to limit the scope of the utility model, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a whole rifle connection structure of welder for air-cooled machine, its characterized in that, whole rifle connection structure of welder includes by back to preceding cable joint, connection pad, welder gun stock, the neck of a gun that links to each other according to the preface connect and fastening nut, wherein:

2. The air-cooled welding gun connecting structure according to claim 1, wherein the connecting plate comprises a connecting seat and a connecting plate, the connecting seat is fixedly connected to the rear end of the welding gun seat, the connecting seat and the connecting plate are provided with flanges on the outer sides, the flanges are correspondingly provided with screw holes, and the connecting seat and the connecting plate are fixed by a locking member.

3. The air-cooled welding gun connection structure according to claim 2, wherein the stopper is disposed in the through hole in the middle of the connection piece, and the through hole in the stopper has the same contour as the outer edge of the projection disposed at the cable joint.

4. The air-cooled machine welding gun connection structure according to claim 2 or 3, wherein the locking member is one of a screw, a bolt or a rivet.

5. The air-cooled machine welding gun connection structure according to claim 1, wherein a blind hole having a contour identical to an outer edge of a projection is provided on a front end side of the stopper, a rear end of the projection on the cable joint is engaged in the blind hole, and a foremost end of the air cone of the cable joint abuts in the cavity.

6. The air-cooled welding gun connection structure according to claim 1, wherein a recessed positioning groove is formed at a head portion of the welding gun holder, and a positioning piece corresponding to the positioning groove is formed at a front portion of the neck joint.

7. The air-cooled welding gun connection structure according to claim 6, wherein a positioning protrusion is formed on an outer side of the positioning plate, the neck is fixed to the positioning protrusion, and a hole communicating with an inner passage of the neck joint is formed in a middle portion of the positioning protrusion.

8. The air-cooled machine welding gun connection structure according to claim 6 or 7, wherein a rear end of a projection on the cable joint abuts at the stopper, and a foremost end of the air cone of the cable joint abuts with a rear end of the neck joint.