CN215787729U

CN215787729U - Semi-automatic welding machine

Info

Publication number: CN215787729U
Application number: CN202023287483.8U
Authority: CN
Inventors: 孟保战
Original assignee: Shaanxi Institute of Technology
Current assignee: Shaanxi Institute of Technology
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2022-02-11
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a semi-automatic welding machine which comprises a fixing ring and a welding gun connected with the welding machine, wherein more than one clamping plate is arranged inside the fixing ring, first adjusting mechanisms for driving the clamping plates to move are respectively arranged on fixing parts, an annular groove is formed in the side surface of the fixing ring, a sliding block is slidably arranged in the annular groove, one end of the sliding block is provided with a positioning ring, one end of the welding gun is sleeved in the positioning ring, the upper end of the welding gun is provided with a moving ring, and a second adjusting mechanism for adjusting the height of the welding gun is arranged between the moving ring and the positioning ring. The movable welding gun is simple in structure, the fixing ring can be arranged on pipelines with different diameters through the first adjusting mechanism, adaptability is improved, the distance between the welding gun and a gap can be adjusted through the second adjusting mechanism, the distance between the welding gun and a welding seam can be kept consistent all the time, the welding gun can be moved in an annular structure through the annular groove, the welding gun can stably complete welding of the annular welding seam after surrounding one circle, and welding quality is greatly improved.

Description

Semi-automatic welding machine

Technical Field

The utility model relates to the technical field of welding equipment, in particular to a semi-automatic welding machine.

Background

Semi-automatic welding is a welding mode which is completed by manual operation and mechanical devices. The movement of the welding heat source is performed by manual operation, and wire feeding, air feeding, etc. are welding methods performed by corresponding mechanical devices. Common semi-automatic welding methods include semi-automatic submerged arc welding and semi-automatic gas shield welding. When the semi-automatic submerged arc welding is carried out, the feeding of welding wires and welding flux is automatic, and the movement of a welding gun is manual; in semi-automatic gas shield welding, the supply of welding wire and gas is automatic, the up-down, left-right and back-and-forth movement of welding gun is manual, and the semi-automatic gas shield welding is usually used for welding of ampule welding and fillet welding.

However, because the hand rocks easily at the welded in-process, the distance when causing the welding is unable unanimous, causes the soldering tin after the welding to distribute unevenly, causes soldering tin and gap to contact completely because of the shake even, serious influence welding quality, especially when welding the pipeline, because the welding seam is annular setting, when welding along the girth joint, the hand can be very unstable, causes welding quality not good, influences the fastness.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide a semi-automatic welding machine to solve the problems in the background technology.

The utility model is realized by the following technical scheme: the utility model provides a semi-automatic welding machine, welder including solid fixed ring and welding machine connection, gu fixed ring is divided into two and forms two arc pieces, gu fixed ring is inside to be equipped with the splint more than, the fixed plate is all installed at the rear of splint, gu fixed ring's side is all hugged closely to fixed plate one end outwards extended, and equal bending forms a fixed part, the fixed part all with gu fixed ring outer lane parallel arrangement, all install the first adjustment mechanism who drives splint removal on the fixed part, gu be equipped with the ring channel on fixed ring's the side, slidable mounting has the slider in the ring channel, slider one end extends to the external world, and install the holding ring, in the holding ring is located to welder pot head, the shifting ring is installed to the welder upper end, all outwards bulge formation convex part on the outer lane face of shifting ring and holding ring, install the second adjustment mechanism of adjustment welder height between the convex part.

As the preferred technical scheme, the first adjusting mechanisms comprise first hand wheels, first bearings, first screw rods and sleeves, the first bearings are all installed on the fixing portions in an embedded mode, the first screw rods are all installed in inner rings of the first bearings, the sleeves are all fixed on outer rings of the rings and are all arranged opposite to the inner rings of the first bearings, one ends of the first screw rods are all in threaded connection in the sleeves, and the first hand wheels are installed at the other ends of the first screw rods.

According to a preferable technical scheme, the second adjusting mechanism comprises a second bearing, a second screw rod and a second hand wheel, the second bearing is installed on a convex portion of the moving ring in an embedded mode, a screw hole is formed in the convex portion of the positioning ring, the second screw rod is installed in an inner ring of the second bearing, the lower end of the second screw rod is connected into the screw hole in a threaded mode, and the second hand wheel is installed at the upper end of the second screw rod.

As preferred technical scheme, through hinge connection between the open end of arc piece one side, the open end of arc piece opposite side all outwards protrudes and forms a connecting portion, screws up the bolt locking through the hand between the connecting portion and fixes.

The utility model has the beneficial effects that: the welding gun is simple in structure, the fixing ring can be directly sleeved on the pipeline after being opened, the clamping plate can be moved through the first adjusting mechanism until the clamping plate is abutted against the outer wall surface of the pipeline, the fixing of the fixing ring is realized, the fixing ring can be installed on pipelines with different diameters through the first adjusting mechanism, the adaptability is improved, the distance between the welding gun and a gap can be adjusted through the second adjusting mechanism, the distance between the welding gun and the welding seam can be kept consistent all the time, the welding gun can be moved in an annular structure through the annular groove, the welding gun can stably complete the welding of the annular welding seam after encircling a circle, and the welding quality is greatly improved.

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 following description are only some embodiments of 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 view of the overall structure of the present invention;

fig. 2 is a partial cross-sectional view taken at a-a in fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the semiautomatic welding machine comprises a fixing ring 1 and a welding gun 16 connected with the welding machine, wherein the fixing ring 1 is divided into two arc-shaped blocks, more than one clamping plate 4 is arranged inside the fixing ring 1, a fixing plate 5 is arranged behind the clamping plate 4, one end of the fixing plate 5 is tightly attached to the side surface of the fixing ring 1 and extends outwards and is bent to form a fixing part 10, the fixing parts 10 are arranged in parallel with the outer ring of the fixing ring 1, a first adjusting mechanism for driving the clamping plate to move is arranged on each fixing part 10, an annular groove 3 is arranged on the side surface of the fixing ring 1, a sliding block 2 is arranged in the annular groove 3 in a sliding manner, one end of the sliding block 2 extends to the outside and is provided with a positioning ring 17, one end of the welding gun 16 is sleeved in the positioning ring 17, a moving ring 13 is arranged at the upper end of the welding gun 16, the moving ring 13 and the outer ring surface of the positioning ring 17 are both protruded outwards to form a convex part 15, a second adjusting mechanism for adjusting the height of the welding gun is installed between the convex parts 15.

In this embodiment, the first adjusting mechanisms all include a first hand wheel 9, a first bearing 8, a first screw 7 and a sleeve 6, the first bearing 8 is all embedded and installed on the fixing portion 10, the first screw 7 is all installed in an inner ring of the first bearing 8, the sleeve 6 is all fixed on an outer ring of the ring 1 and is all arranged opposite to the inner ring of the first bearing 8, one end of the first screw 7 is all in threaded connection with the sleeve 6, and the other end of the first hand wheel 9 is all installed.

In this embodiment, the second adjusting mechanism includes a second bearing, a second screw 12 and a second hand wheel 14, the second bearing is embedded in a convex portion of the moving ring 13, a screw hole is formed in the convex portion of the positioning ring 17, the second screw 12 is installed in an inner ring of the second bearing, a lower end of the second screw 12 is screwed into the screw hole, and the second hand wheel 14 is installed at an upper end of the second screw 12.

In this embodiment, through hinge connection between the open end of arc piece one side, the open end of arc piece opposite side all outwards protrudes and forms connecting portion 11, screws through the hand between connecting portion 11 and locks the fastening and fixes.

When the welding device is used, the hand-screwed bolt is screwed out, the fixing ring can be opened and sleeved on a pipeline to be welded, and after the welding device is used, the fixing ring is closed again by the hand-screwed bolt;

when the welding gun is not used, the second screw rod can be rotated upwards, the welding gun can be taken out after the second screw rod is screwed out of the screw hole, and the welding gun can be maintained, cleaned and the like.

Then, the first hand wheel is rotated, the first screw rod is driven by the rotation of the first hand wheel to move up and down along the sleeve, the fixed part and the fixed plate are driven by the movement of the first screw rod, the clamp plate is driven by the movement of the fixed plate until the inner side surface of the clamp plate is abutted against the outer wall surface of the pipeline, and the fixed ring is positioned by the clamped clamp plate;

then the second hand wheel is rotated, the second screw rod is driven by the rotation of the second hand wheel, the second screw rod is enabled to move up and down along the screw hole, the moving ring and the welding gun are driven by the moving of the second screw rod, the welding gun moves along the positioning ring until the welding gun is close to the welding seam, and the welding gun is positioned, so that the distance between the welding gun and the welding seam can be kept consistent all the time, when welding is carried out, the welding gun is rotated along the annular groove, the welding gun can be stably welded, only the moving speed is ensured, the shaking of the welding gun can not be caused in the moving process, the welding gun can be stably welded, and the welding quality is greatly improved.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A semi-automatic welding machine is characterized in that: the welding gun comprises a fixing ring (1) and a welding machine connected welding gun (16), wherein the fixing ring (1) is divided into two arc-shaped blocks, more than one clamping plate (4) is arranged inside the fixing ring (1), a fixing plate (5) is installed at the rear of each clamping plate (4), one end of each fixing plate (5) is tightly attached to the side surface of the corresponding fixing ring (1) and extends outwards, each fixing plate is bent to form a fixing part (10), the fixing parts (10) are all arranged in parallel with the outer ring of the corresponding fixing ring (1), first adjusting mechanisms for driving the clamping plates to move are installed on the fixing parts (10), annular grooves (3) are formed in the side surfaces of the corresponding fixing rings (1), sliding blocks (2) are installed in the annular grooves (3), one ends of the sliding blocks (2) extend to the outside, positioning rings (17) are installed, one end of the welding gun (16) is sleeved in the positioning rings (17), and moving rings (13) are installed at the upper ends of the welding gun (16), the outer ring surfaces of the moving ring (13) and the positioning ring (17) are both outwards protruded to form a convex part (15), and a second adjusting mechanism for adjusting the height of the welding gun is arranged between the convex parts (15).

2. The semi-automatic welding machine of claim 1, wherein: first adjustment mechanism all includes first hand wheel (9), first bearing (8), first screw rod (7) and sleeve pipe (6), and all embedded the installing on fixed part (10) of first bearing (8), and first screw rod (7) are all installed in the inner circle of first bearing (8), and sleeve pipe (6) are all fixed on the outer lane of ring (1) to all set up with the inner circle of first bearing (8) relatively, the equal threaded connection of first screw rod (7) one end in sleeve pipe (6), and first hand wheel (9) are all installed to the other end.

3. The semi-automatic welding machine of claim 1, wherein: the second adjusting mechanism comprises a second bearing, a second screw rod (12) and a second hand wheel (14), the second bearing is installed on a convex part on the moving ring (13) in an embedded mode, a screw hole is formed in the convex part of the positioning ring (17), the second screw rod (12) is installed in an inner ring of the second bearing, the lower end of the second screw rod (12) is connected into the screw hole in a threaded mode, and the second hand wheel (14) is installed at the upper end of the second screw rod (12).

4. The semi-automatic welding machine of claim 1, wherein: the opening ends of one side of the arc-shaped blocks are connected through hinges, the opening ends of the other side of the arc-shaped blocks are all outwards protruded to form a connecting portion (11), and the connecting portions (11) are locked and fixed through bolts screwed by hands.