CN218426158U

CN218426158U - Guide rail type welding gun swinging device for narrow groove TIG automatic welding

Info

Publication number: CN218426158U
Application number: CN202222763429.9U
Authority: CN
Inventors: 屈波; 杨伟; 王建军
Original assignee: Xi'an Tip Tig Special Welding Technology Co ltd
Current assignee: Xi'an Tip Tig Special Welding Technology Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-02-03
Anticipated expiration: 2032-10-20

Abstract

The utility model relates to a guide tracked welder pendulous device that is used for narrow groove TIG automatic welding. The method aims to solve the problem of contradiction between the optimal pendulum radius R and the oscillator interference in the process of welding a flat plate in the prior art. The technical scheme of the utility model comprises a motor reducer, the motor reducer is connected with a welding gun through a swing assembly, and the welding gun is provided with a tungsten needle; the swing subassembly includes the welder fixing base, there is welder one side of welder fixing base through the welder grip block centre gripping, another personally submits "triangle-shaped" distribution and is provided with 3 gyro wheels, be provided with the circular arc guide rail between the gyro wheel from top to bottom, the circular arc track realizes the swing with upper and lower gyro wheel looks joint, V-arrangement gyro wheel below of lower part is provided with the fan-shaped circular arc ring gear with circular arc track is endocentric, the circular arc ring gear sets firmly on the welder fixing base, the both ends of circular arc guide rail are fixed in on the both sides board of oscillator base, the back and the motor reducer of oscillator base are connected, be provided with the gear on the output shaft of motor reducer, gear and circular arc ring gear meshing.

Description

Guide rail type welding gun swinging device for narrow groove TIG automatic welding

Technical Field

The utility model relates to a narrow groove TIG welding technical field, concretely relates to guide tracked welder pendulous device that is used for narrow groove TIG automatic welding.

Background

In recent years, narrow groove welding technology is more and more widely applied to welding of medium and thick plates (pipes) due to the advantages of small filling amount, welding material saving, high construction efficiency and the like, and for the problem that side wall non-fusion welding defects are easy to occur in narrow groove welding, an effective solution is provided in a patent CN201810844235.7 pendulum type welding method and device for narrow groove TIG automatic welding and a patent CN201821205690.4 pendulum type welding device for narrow groove TIG automatic welding, namely, a large included angle between a tungsten needle and a groove side wall is realized by reducing a swing radius R of a welding gun so as to solve the side wall non-fusion defects, but the device has certain limitation: when the pipeline is welded, the swing assembly can be lowered to a sufficiently low height without interfering with the pipe wall, so as to realize an optimal swing radius R, as shown in FIG. 4; when a flat plate is welded, in order to realize a groove and a swing radius R with the same depth, a swing assembly of the device inevitably interferes with a plate surface, and the interference problem of the swing assembly cannot be well solved on the premise of ensuring the optimal swing radius, as shown in fig. 5. Although the interference problem can be solved by properly adjusting the inclination angle of the welding gun and the height of the swing assembly on the premise of meeting the welding requirement, the optimal swing radius R and the welding effect are difficult to achieve.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve prior art and realize the contradiction problem between best pendulum radius R and the oscillator interference at the dull and stereotyped in-process of welding, provide a guide tracked welder pendulous device for narrow groove TIG automatic weld.

For solving the problems existing in the prior art, the technical scheme of the utility model is that: a guide rail type welding gun swinging device for TIG (tungsten inert gas) automatic welding with a narrow groove comprises a motor speed reducer, wherein the motor speed reducer is connected with a welding gun through a swinging assembly, and a tungsten needle is arranged on the welding gun; the method is characterized in that: the swing assembly comprises a welding gun fixing seat, one surface of the welding gun fixing seat is clamped with a welding gun through a welding gun clamping block, the other surface of the welding gun fixing seat is provided with 3 idler wheels in a triangular distribution mode, an arc guide rail is arranged between the upper idler wheel and the lower idler wheel, the arc track is clamped with the upper idler wheel and the lower idler wheel to realize swing, a fan-shaped arc gear ring concentric with the arc track is arranged below the V-shaped idler wheel at the lower portion, the arc gear ring is fixedly arranged on the welding gun fixing seat, two ends of the arc guide rail are fixed on two side plates of a C-shaped oscillator base, the back of the C-shaped oscillator base is connected with a motor reducer, a gear is arranged on an output shaft of the motor reducer, and the gear is meshed with the arc gear ring, so that the welding gun can make reciprocating linear motion along the tangential direction of the arc guide rail.

Furthermore, 2 gyro wheels on upper portion are fixed in on the welder fixing base, and the position of the gyro wheel of lower part on the welder fixing base is adjustable, conveniently presss from both sides tight circular arc guide rail and advances shape motion and direction.

Furthermore, the shape of the roller and the shape of the upper edge and the lower edge of the arc guide rail are in a V shape, a U shape or an H shape corresponding to each other.

Further, strip-shaped holes are formed in two ends of the arc guide rail.

Further, the arc gear ring is fixed on the welding gun fixing seat through a screw.

Furthermore, two ends of the arc guide rail are fixed on a side plate of the C-shaped oscillator base through screws.

Compared with the prior art, the utility model has the advantages as follows:

the utility model adopts the arc guide rail structure, and the gear and the arc gear ring are engaged for transmission, so as to realize the reciprocating motion of the welding gun and better solve the contradiction between the best swing radius and the interference of the oscillator;

1) The utility model discloses no matter be the welded tube or dull and stereotyped, under the prerequisite that does not take place to interfere, can realize best swing radius R, the pendulum radius can reach 0 at minimum, the inclination of welder and face can reach 90 (acute angle) at the biggest, and the size of welder swing radius can be realized through adjusting welder upper and lower position, and art adaptability is stronger, and the field of vision observation scope is bigger;

2) The mounting position of the welding gun clamping block on the welding gun fixing seat can be adjusted up and down, and the radius R of the pendulum can be changed, so that the welding gun clamping block is convenient to adapt to various process parameters;

3) The arc guide rail of the utility model is of a fan-shaped circular ring structure, and the upper edge and the lower edge are both V-shaped, U-shaped or H-shaped, which can be well connected with the roller with a corresponding structure, and can be positioned and guided in an externally tangent and internally tangent mode; the strip-shaped holes arranged at the two ends of the guide rail can adjust the upper and lower positions of the arc guide rail;

4) The utility model discloses circular arc guide rail and circular arc ring gear are concentric to the centre of a circle is located welder (tungsten needle) center, can realize turning into welder along circular arc guide rail's reciprocating linear motion best pendulum motion.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

fig. 3 is a schematic view of the usage state (welding plate) of the present invention.

FIG. 4 is a schematic view of a welding gun swing device for welding a pipe;

FIG. 5 is a schematic view of a welding plate of a welding gun swing device;

description of reference numerals: 1-welding gun, 2-pipeline, 3-tungsten needle, 4-groove, 5-swing assembly, 6-welding plate, 7-motor reducer, 8-V-shaped roller, 9-oscillator base, 10-gear, 11-arc guide rail, 12-arc gear ring, 13-welding gun fixing seat, 14-welding gun clamping block and 15-strip-shaped hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The embodiment provides a guide rail type welding gun swinging device for narrow groove TIG automatic welding, which comprises a welding gun 1, a tungsten needle 3, a motor speed reducer 7 and a swinging assembly 5 consisting of a V-shaped roller 8, a swinging device base 9, a gear 10, an arc guide rail 11, an arc gear ring 12, a welding gun fixing seat 13, a welding gun clamping block 14 and a strip-shaped hole 15, as shown in figures 1, 2 and 3; the welding gun clamping block 14 is arranged on one surface of the welding gun fixing seat 13, the welding gun clamping block 14 clamps the welding gun 1 and is provided with a tungsten needle 3, the other surface of the welding gun fixing seat 13 is provided with 3V-shaped rollers 8 distributed in a triangular shape and positioned on two sides of an inner ring and an outer ring of the arc guide rail 11, the positions of the 2V-shaped rollers 8 are fixed, and the position of the other V-shaped roller 8 is adjustable, so that the arc guide rail 11 is clamped conveniently to move in a shape and guide manner; the arc guide rail 11 is as welder 1's motion guider, for fan-shaped ring structure, and the top and bottom edge is the V-arrangement, conveniently leads, and both ends are provided with bar hole 15, are connected through bar hole and screw and the both sides limit of C-shaped oscillator base 9, conveniently adjust from top to bottom. A fan-shaped arc gear ring 12 concentric with the arc track 11 is arranged below the V-shaped guide wheel 8 behind the welding gun fixing seat 13 and is fixed on the welding gun fixing seat 13 through screws. The arc guide rail 11 is fixed on a side plate of the C-shaped oscillator base 9 through screws, the motor speed reducer 7 is mounted on the back face of the C-shaped oscillator base 9 through screws, and a gear 10 is mounted at the output shaft end of the motor speed reducer 7 and can be meshed with the arc gear ring 12 for transmission, so that the welding gun 1 can do reciprocating linear motion along the tangential direction of the arc guide rail 11, and the effect that the welding gun 1 swings back and forth around the circle center O point of the arc guide rail is achieved. By adjusting the vertical position of the torch holding block 14, the welding torch 1 can be swung at the optimum swing radius R.

The welding gun 1 is positioned in the welding gun clamping block 14 and is fixed on the welding gun fixing seat 13 through a screw, and the upper position and the lower position of the welding gun clamping block 14 on the welding gun fixing seat 13 are adjustable.

The upper edge and the lower edge of the arc guide rail 11 can also be U-shaped wheels or H-shaped wheels, and the rollers are correspondingly arranged into U-shapes or H-shapes to be conveniently connected.

The utility model discloses fine solution wiggler and dull and stereotyped interference problem under the prerequisite that satisfies welder best swing radius R is the effective device of defect is not melted to the lateral wall when solving narrow groove welding.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. A guide rail type welding gun swinging device for TIG (tungsten inert gas) automatic welding with a narrow groove comprises a motor speed reducer (7), wherein the motor speed reducer (7) is connected with a welding gun (1) through a swinging assembly (5), and a tungsten needle (3) is arranged on the welding gun (1); the method is characterized in that: the swing assembly (5) comprises a welding gun fixing seat (13), one surface of the welding gun fixing seat (13) is clamped with a welding gun (1) through a welding gun clamping block (14), the other surface of the welding gun fixing seat is triangular and is provided with 3 rollers (8), an arc guide rail (11) is arranged between the upper roller (8) and the lower roller (8), the arc guide rail (11) is clamped with the upper roller (8) and the lower roller (8) to swing, a fan-shaped arc gear ring (12) concentric with the arc guide rail (11) is arranged below the V-shaped roller (8) at the lower part, the arc gear ring (12) is fixedly arranged on the welding gun fixing seat (13), two ends of the arc guide rail (11) are fixed on two side plates of a C-shaped oscillator base (9), the back of the C-shaped oscillator base (9) is connected with a motor speed reducer (7), a gear (10) is arranged on an output shaft of the motor speed reducer (7), and the gear (10) is meshed with the arc gear ring (12), so that the welding gun (1) can linearly reciprocate along the tangential direction of the arc guide rail (11).

2. The guide rail type welding gun swinging device for narrow groove TIG automatic welding according to claim 1, characterized in that: 2 gyro wheels (8) on upper portion are fixed in on welder fixing base (13), and gyro wheel (8) on lower part are adjustable in the position on welder fixing base (13), conveniently press from both sides tight circular arc guide rail (11) and advance shape motion and direction.

3. The guide rail type welding gun swinging device for narrow groove TIG automatic welding according to claim 1 or 2, characterized in that: the shape of the roller (8) and the shape of the upper edge and the lower edge of the arc guide rail (11) are V-shaped, U-shaped or H-shaped correspondingly.

4. The guide rail type welding gun swinging device for narrow groove TIG automatic welding according to claim 3, characterized in that: and strip-shaped holes (15) are formed at two ends of the arc guide rail.

5. A guide rail type welding gun swinging device for narrow groove TIG automatic welding according to claim 4, characterized in that: the arc gear ring (12) is fixed on the welding gun fixing seat (13) through a screw.

6. A guide rail type welding gun swinging device for narrow groove TIG automatic welding according to claim 5, characterized in that: and two ends of the arc guide rail (11) are fixed on side plates of the C-shaped oscillator base (9) through screws.