CN218396384U

CN218396384U - Welding head for automatic welding machine

Info

Publication number: CN218396384U
Application number: CN202222698070.1U
Authority: CN
Inventors: 夏涛
Original assignee: Jiangyin Huaxia Chemical Machinery Co ltd
Current assignee: Jiangyin Huaxia Chemical Machinery Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-01-31
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a welding head for automatic welding machine belongs to welding head technical field, automatic welding machine includes the welding base, fixedly connected with welding arm on the welding base, the welding head includes aircraft nose body and welder, welder is located the lower extreme of aircraft nose body, the welding head still includes the fixed plate, fixed plate fixed connection is in the one end of aircraft nose body, fixedly connected with and fixed plate assorted fixed frame on the welding arm, first screw hole has been seted up on fixed frame's the lateral wall, set up on a lateral wall that fixed plate and first screw hole mate with first screw hole assorted a plurality of second screw hole, threaded connection has the second bolt between first screw hole and the second screw hole. The utility model discloses be convenient for quick, simple regulation to be convenient for adjust welder to the distance of treating welding workpiece, labour saving and time saving improves welding efficiency.

Description

Welding head for automatic welding machine

Technical Field

The utility model belongs to the technical field of the welding head, concretely relates to welding head for automatic welding machine.

Background

In the prior art, when a certain pipe fitting with larger length and diameter is welded, an automatic welding machine with large length-diameter ratio submerged arc welding is generally used for welding, the automatic welding machine generally comprises a welding base, a welding arm and a welding head, and the automatic welding machine can extend into the pipe fitting through an elongated welding head to realize the welding of the pipe with the inner diameter of 450mm and the length of 12-13m without influencing the surface.

However, the welding head for the conventional automatic welding machine is generally directly and fixedly connected to the welding arm, is single in structure and cannot be adjusted up and down, when workpieces such as pipes with different inner diameters need to be welded, the distance between the welding gun and the workpiece needs to be adjusted, the distance from the pipe to the welding gun needs to be adjusted by means of other equipment, the operation is very troublesome, and the welding efficiency is directly influenced.

Therefore, in order to solve the above-mentioned technical problems, it is necessary to provide a welding head for an automatic welding machine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic welding machine is with welding head to improve welding efficiency.

In order to achieve the above object, an embodiment of the utility model provides an automatic welding machine is with welding head, automatic welding machine includes the welding base, fixedly connected with welding arm on the welding base, welding head includes aircraft nose body and welder, welder is located the lower extreme of aircraft nose body, welding head still includes the fixed plate, fixed plate fixed connection is in the one end of aircraft nose body, fixedly connected with and fixed plate assorted fixed frame on the welding arm. A first threaded hole is formed in one side wall of the fixing frame, a plurality of second threaded holes matched with the first threaded holes are formed in one side wall, matched with the first threaded holes, of the fixing plate, and second bolts are connected between the first threaded holes and the second threaded holes in a threaded mode.

As a further improvement, the welding machine head is fixedly connected with a supporting tube.

As a further improvement, the supporting tube is provided with a first chute, the supporting tube is provided with a second chute, and the included angle between the first chute and the second chute is.

As a further improvement, the supporting tube is internally provided with a supporting leg matched with the supporting tube in a sliding connection manner, and the supporting leg is provided with a walking wheel fixedly connected with.

As a further improvement, the supporting leg is fixedly connected with a stopper matched with the first sliding groove.

As a further improvement, the stopper is provided with a fixed connection fixing platform, and the fixing platform is provided with a pair of third threaded holes. And the third threaded hole is in threaded connection with a first bolt. The length of the first bolt is greater than that of the third threaded hole.

Compared with the prior art, the utility model has the advantages of it is following: the utility model discloses be convenient for quick, simple regulation to be convenient for adjust welder to the distance of treating welding workpiece, labour saving and time saving improves welding efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a welding head for an automatic welding machine according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is an exploded view of a welding head for an automatic welding machine according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure at B in FIG. 3;

fig. 5 is a partial exploded view of a welding head for an automatic welding machine according to an embodiment of the present invention;

fig. 6 is a schematic view illustrating a first usage state of a welding head for an automatic welding machine according to an embodiment of the present invention;

fig. 7 is a schematic view of a second usage state of the welding head for the automatic welding machine according to an embodiment of the present invention.

In the figure: 1. the welding device comprises a welding base, 2 welding arms, 3 fixing frames, 301 first threaded holes, 4 fixing plates, 401 second threaded holes, 5 welding heads, 6 welding guns, 7 supporting pipes, 8 supporting legs, 9 traveling wheels, 10 first sliding grooves, 11 limiting blocks, 12 fixing tables, 13 third threaded holes, 14 first bolts, 15 second bolts, 16 second sliding grooves and 17 pipe fittings.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. However, the present invention is not limited to the embodiments, and the structural, method, or functional changes made by those skilled in the art according to the embodiments are all included in the scope of the present invention.

The utility model relates to an embodiment discloses a welding head for automatic welding machine, it is shown with reference to fig. 1, fig. 3 and fig. 6, including welding base 1, fixedly connected with welding arm 2 on the welding base 1. Welding base 1 can play the support fixed action to welding arm 2, stability when guaranteeing the welding, fixedly connected with fixed frame 3 on welding arm 2, and fixedly connected with welding head 5 on fixed frame 3 sliding connection has and fixed frame 3 assorted fixed plate 4 in the fixed frame 3, the fixed plate 4. The welding head 5 is provided with a welding gun 6, a side wall of the fixed frame 3 is provided with a first threaded hole 301, and a side wall of the fixed plate 4 matched with the first threaded hole 301 is provided with a plurality of second threaded holes 401 matched with the first threaded hole 301. Threaded connection has second bolt 15 between first screw hole 301 and the second screw hole 401, and is specific, and fixed frame 3 can play limiting displacement to fixed plate 4, makes fixed plate 4 only can slide from top to bottom in fixed frame 3. The fixing plate 4 can be fixed in the fixing frame 3 by screwing the second bolt 15, i.e. the second bolt 15 is sequentially screwed into the first threaded hole 301 and the second threaded hole 401, i.e. the distance between the welding gun 6 and the inner wall of the pipe 17 can be adjusted by adjusting the fixing plate 4 up and down.

Preferably, a plurality of threaded holes matched with the second threaded holes 401 and staggered with each other are formed in one side wall of the fixing plate 4 opposite to the second threaded holes 401. A fixed threaded hole matched with the threaded hole is formed in one side wall, opposite to the first threaded hole 301, of the fixed frame 3, namely fine adjustment of the fixed plate 4 can be achieved through the second threaded hole 401 and threaded holes staggered with the second threaded hole 401, so that the distance between the welding gun 6 and the inner wall of the pipe fitting 17 is ensured, and the welding quality is ensured.

Referring to fig. 2, 4 and 5, a support tube 7 is fixedly connected to the welding head 5, and a first sliding groove 10 is formed in the support tube 7. Supporting pipe 7 sliding connection has and supporting pipe 7 assorted supporting leg 8, and fixedly connected with walking wheel 9 on the supporting leg 8, fixedly connected with and first spout 10 assorted stopper 11 on the supporting leg 8. The limiting block 11 is fixedly connected with a fixing table 12, the fixing table 12 is provided with a pair of third threaded holes 13, and the third threaded holes 13 are in threaded connection with first bolts 14.

Specifically, the supporting leg 8 slides up and down in the supporting tube 7 while the limiting block 11 slides in the first sliding groove 10, that is, the position of the supporting leg 8 can be limited by the first sliding groove 10 and the limiting block 11. The travelling wheel 9 is positioned right behind the welding gun 6, the first bolt 14 is tightened until the first bolt 14 abuts against the support pipe 7, and preferably, the length of the first bolt 14 is greater than that of the third threaded hole 13, namely, the first bolt 14 can sufficiently abut against the support pipe 7, namely, the support leg 8 can be fixed in the support pipe 7. Even if the traveling wheels 9 can be stably brought into contact with the inner wall of the pipe member 17. The walking wheel 9 rotates along with the movement or rotation of the pipe fitting 17, namely the walking wheel 9 can prevent the welding gun 6 from contacting the inner wall of the pipe fitting 17 by mistake, so that the welding gun 6 is prevented from being damaged.

Referring to fig. 5 and 7, a second sliding groove 16 is formed in the supporting tube 7, and an included angle between the first sliding groove 10 and the second sliding groove 16 is 90 °, so that the limiting block 11 can slide in the second sliding groove 16. The horizontal extension line of walking wheel 9 is perpendicular and welder 6's vertical extension line this moment, and when the butt joint department of welding pipe fitting 17, walking wheel 9 can rotate along with pipe fitting 17 promptly, and walking wheel 9 can be to support and stabilizing effect of welder 6 promptly, prevents the inner wall contact of welder 6 with pipe fitting 17 when the welding.

In use, as shown in fig. 6, when the distance between the welding position of the inner wall of the pipe 17 and the welding gun 6 exceeds the standard welding distance, the fixing plate 4 is slid downwards in the fixing frame 3 until the distance between the welding position of the inner wall of the pipe 17 and the welding gun 6 meets the welding requirement, and then the fixing plate 4 is fixed in the fixing frame 3 by tightening the second bolt 15. If the walking wheel 9 interferes with the distance from the welding gun 6 to the inner wall of the pipe fitting 17 at the moment, the height of the supporting leg 8 in the supporting pipe 7 can be adjusted by the aid of the first bolt 14 which can be loosened until the distance from the welding gun 6 to the inner wall of the pipe fitting 17 is not interfered and the walking wheel 9 is in contact with the inner wall of the pipe fitting 17, then the first bolt 14 is screwed up to enable the first bolt 14 to be fully abutted against the supporting pipe 7, and the supporting leg 8 can be fixed in the supporting pipe 7. Using the pipe moving apparatus to move the pipe 17, the welding gun 6 can weld along the weld.

Referring to fig. 7, when the butt joint of the pipe fitting 17 needs to be welded, the supporting leg 8 can be rotated, the limiting block 11 is located in the second sliding groove 16, the height of the supporting leg 8 in the supporting pipe 7 is adjusted again until the walking wheel 9 contacts with the inner wall of the pipe fitting 17, then the first bolt 14 is screwed up to enable the first bolt 14 to be fully abutted to the supporting pipe 7, the supporting leg 8 can be fixed in the supporting pipe 7, the pipe fitting 17 is rotated through the pipe fitting moving device, the walking wheel 9 can rotate along with the pipe fitting 17, and the welding gun 6 can weld the butt joint of the pipe fitting 17.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has: the utility model discloses thereby can be quick, simple adjust welding head from top to bottom adjust the welder to the distance of pipe fitting, labour saving and time saving improves welding efficiency.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The welding machine head is characterized by further comprising a fixing plate, the fixing plate is fixedly connected to one end of the machine head body, and a fixing frame matched with the fixing plate is fixedly connected to the welding arm;

a first threaded hole is formed in one side wall of the fixing frame, a plurality of second threaded holes matched with the first threaded holes are formed in one side wall, matched with the first threaded holes, of the fixing plate, and second bolts are connected between the first threaded holes and the second threaded holes in a threaded mode.

2. The welding head for the automatic welding machine according to claim 1, wherein a support tube is fixedly connected to the welding head.

3. The welding head for the automatic welding machine according to claim 2, wherein a first sliding groove is formed on the supporting tube, a second sliding groove is formed on the supporting tube, and an included angle between the first sliding groove and the second sliding groove is set to be in a degree.

4. The welding head for the automatic welding machine according to claim 2, wherein a supporting leg matched with the supporting tube is slidably connected in the supporting tube, and a traveling wheel is fixedly connected to the supporting leg.

5. The welding head for the automatic welding machine according to claim 4, wherein a limiting block matched with the first sliding groove is fixedly connected to the supporting leg.

6. The welding head of claim 5, wherein the limiting block is fixedly connected with a fixing table, and the fixing table is provided with a pair of third threaded holes.

7. The welding head for the automatic welding machine according to claim 6, wherein a first bolt is threadedly connected to the third threaded hole.

8. The welding head for the automatic welding machine as claimed in claim 7, wherein the length of the first bolt is greater than the length of the third threaded hole.