CN212495893U

CN212495893U - Automatic welding profiling intersecting line mechanism for argon arc welding

Info

Publication number: CN212495893U
Application number: CN202021243632.8U
Authority: CN
Inventors: 刘望; 颜恩荣; 沙飞; 朱杰
Original assignee: Zhejiang Dayuan Pump Industry Co ltd
Current assignee: Zhejiang Dayuan Pump Industry Co ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2021-02-09
Anticipated expiration: 2030-06-29

Abstract

The utility model belongs to the technical field of welding equipment, a argon arc welds automatic weld imitative type looks transversal mechanism is related to, comprising a base plate, be provided with the bearing frame on the bottom plate, be provided with the bearing in the bearing frame, the lower extreme of bearing frame is fixed with the die holder, is provided with the profile modeling lower mould in the die holder, but be provided with the mould on the axial slip's the profile modeling in the bearing, the cooperation is provided with the curved surface corresponding with the transversal line between the mould on profile modeling lower mould and the profile modeling, wear to be equipped with the plug in die holder, profile modeling lower mould and the profile modeling, plug and die holder, profile modeling lower mould clearance fit pass through the fastener with the profile modeling is fixed, the mould rotates under the drive of motor on plug and the profile modeling, during rotation curved. The utility model provides an argon arc welds automatic weld imitative type looks through line mechanism can realize the automatic weld of looks transversal, its simple structure, convenient operation, low cost.

Description

Automatic welding profiling intersecting line mechanism for argon arc welding

Technical Field

The utility model belongs to the technical field of welding equipment, a argon arc welds automatic weld imitative type looks through line mechanism is related to.

Background

At present, aiming at the welding of an intersecting line formed by connecting two pipe fittings, a manual welding method is widely adopted in China. However, manual welding is time-consuming and has high requirements for welding skills of workers, so that the labor intensity of workers is high during welding, the working environment is severe, the working efficiency is low, and the welding quality cannot be guaranteed. Meanwhile, the application of the welding of the intersecting line is wide, and in order to improve the working efficiency, reduce the strength of workers and ensure the welding quality, welding equipment capable of realizing automatic welding is urgently needed in practice.

The existing automatic welding uses mechanical arm automatic welding, and the equipment has complex structure and higher cost. For example, chinese patent application CN1935444A discloses an intersecting line welding robot, which comprises a welding gun, and is composed of a machine body, a clamp, a rotating mechanism, an X-axis moving device, a Y-axis moving device, a large swing arm mechanism and a small swing arm mechanism; the welding gun is arranged at the end part of the spiral arm of the small spiral arm mechanism, and the end point of the welding gun is positioned on the center of the circular arc guide rail of the small spiral arm and the normal line of the center of the circular arc guide rail of the large spiral arm. The welding robot is fixed by the fixture, and the linkage of five degrees of freedom is realized by the rotating mechanism, the X-axis moving device, the Y-axis moving device, the large swing arm mechanism and the small swing arm mechanism, so that the automatic welding of the intersecting line of the cylinder can be realized.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide an argon arc welds imitative type looks through line mechanism, can realize the automatic weld of looks through line, its simple structure, convenient operation, low cost.

In order to solve the above technical problem, the purpose of the present invention can be achieved by the following technical solutions:

argon arc welds automatic weld imitative type looks transversal mechanism, comprising a base plate, be provided with the bearing frame on the bottom plate, be provided with the bearing in the bearing frame, the lower extreme of bearing frame is fixed with the die holder, is provided with the profile modeling lower mould in the die holder, but be provided with the mould on the axial slip's the profile modeling in the bearing, the cooperation is provided with the curved surface corresponding with looks transversal between the mould on profile modeling lower mould and the profile modeling, wear to be equipped with the plug in die holder, profile modeling lower mould and the profile modeling, plug and die holder, profile modeling lower mould clearance fit pass through the fastener with the profile modeling on fixed, the mould rotates under the drive of motor on plug and the profile modeling, and axial motion is gone up to.

A base is fixed on the profiling upper die, a workpiece to be welded is clamped on the base through a clamping mechanism, a welding gun is arranged on one side of the workpiece to be welded, and the welding gun is fixed on an independent upright post.

The clamping mechanism comprises a positioning plate and a clamp which are oppositely arranged, the positioning plate and the clamp are respectively fixed on corresponding supporting plates, and the supporting plates are fixed on the base. The workpiece to be welded is clamped between the positioning plate and the clamp.

A plurality of stand columns are fixed below the bottom plate, a connecting plate is fixed below the stand columns, and a motor is fixed below the connecting plate. The lower die base, the profiling lower die and the profiling upper die are positioned among the upright posts.

The motor is a speed reducing motor, and an output shaft of the motor is connected with the core rod through a flat key.

A spring seat is arranged below the motor, the spring seat is axially connected with the lower end of the core rod through a fastener, and a spring is arranged between the spring seat and the lower end face of the motor. The spring is compressed when the core rod moves upwards, and the spring is reset when the core rod moves downwards.

And a retainer ring for axially fixing the bearing is arranged above the bearing seat. The retainer ring is arranged at the outer ring of the bearing.

The fastening member is preferably a set screw, and the fixing connection is performed by screw fixation.

Compared with the prior art, the utility model, following beneficial effect has:

the utility model discloses a cooperation of mould and profile modeling lower mould in the profile modeling makes the plug axial displacement when the pivoted, and final drive treats that welded workpiece rotates simultaneously and axial displacement, makes welded orbit remove along the intersection line, realizes the automatic weld of intersection line. The utility model has the advantages of relatively simple structure and low cost, and is only one tenth of the automatic welding of the mechanical arm.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

reference numerals: 1. a base plate; 2. a bearing seat; 3. a bearing; 4. a lower die holder; 5. profiling a lower die; 6. profiling an upper die; 7. a core rod; 8. a motor; 9. a base; 10. positioning a plate; 11. a clamp; 12. a support plate; 13. a column; 14. a connecting plate; 15. a flat bond; 16. a spring seat; 17. a spring; 18. and a retainer ring.

Detailed Description

The invention will be further described in the following with specific embodiments in conjunction with the drawings, see fig. 1:

argon arc welds automatic weld imitative looks transversal mechanism, including bottom plate 1, be provided with bearing frame 2 on the bottom plate 1, be provided with bearing 3 in the bearing frame 2, the top of bearing frame 2 is provided with retaining ring 18 of axial fixity bearing 3, retaining ring 18 sets up in the outer lane department of bearing 3, the lower extreme of bearing frame 2 is fixed with die holder 4, is provided with profile modeling lower mould 5 in the die holder 4, but be provided with axially sliding profile modeling upper die 6 in the bearing 3, the cooperation is provided with the curved surface corresponding with the transversal between profile modeling lower mould 5 and the profile modeling upper die 6, wear to be equipped with plug 7 in die holder 4, profile modeling lower mould 5 and the profile modeling upper die 6, plug 7 and die holder 4, profile modeling lower mould 5 clearance fit with profile modeling upper die 6 pass through the fastener and fix, plug 7 and profile modeling upper die 6 rotate under the drive of motor 8, curved surface drive plug 7 and profile modeling upper die 6 axial motion, a base 9 is fixed on the profiling upper die 6, a workpiece to be welded is clamped on the base 9 through a clamping mechanism, a welding gun is arranged on one side of the workpiece to be welded, and the welding gun is fixed on an independent upright post.

The specific structure of the clamping mechanism is as follows: the clamping mechanism comprises a positioning plate 10 and a clamp 11 which are oppositely arranged, the positioning plate 10 and the clamp 11 are respectively fixed on a corresponding supporting plate 12, and the supporting plate 12 is fixed on the base 9. The workpiece to be welded is clamped between the positioning plate 10 and the clamp 11.

The related mounting structure of the motor 8 is specifically as follows: a plurality of upright posts 13 are fixed below the bottom plate 1, a connecting plate 14 is fixed below the upright posts 13, and a motor 8 is fixed below the connecting plate 14. The lower die base 4, the profiling lower die 5 and the profiling upper die 6 are positioned among the upright posts 13.

The motor 8 is a speed reducing motor, and an output shaft of the motor 8 is connected with the core rod 7 through a flat key 15.

The utility model discloses buffer gear has still been set up, and its concrete structure is: a spring seat 16 is arranged below the motor 8, the spring seat 16 is axially connected with the lower end of the core rod 7 through a fastening piece, and a spring 17 is arranged between the spring seat 16 and the lower end surface of the motor 8. The spring 17 is compressed when the core rod 7 moves upwards, and the spring 17 is reset when the core rod moves downwards, so that a buffer effect is provided for the movement of the workpiece to be welded, and the welding of the intersecting line is smoother.

The utility model discloses a welding mode is: the motor 8 rotates to drive the core rod 7 to rotate, the upper profiling die 6 rotates along with the upper profiling die, and the lower profiling die 5 is fixed, so that relative displacement occurs between the upper profiling die 6 and the lower profiling die 5 during rotation, the upper profiling die 6 generates axial displacement corresponding to a curved surface, the movement of the upper profiling die 6 is sequentially transmitted to the base 9 and a workpiece to be welded, finally the workpiece to be welded generates rotation and axial displacement, the welding gun on one side is fixed, and the welding track is exactly a intersecting line.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Argon arc welds automatic weld profile intersecting line mechanism, includes bottom plate (1), its characterized in that, be provided with bearing frame (2) on bottom plate (1), be provided with bearing (3) in bearing frame (2), the lower extreme of bearing frame (2) is fixed with die holder (4), is provided with profile modeling lower mould (5) in die holder (4), but be provided with axially sliding profile modeling upper die (6) in bearing (3), the cooperation is provided with the curved surface corresponding with the intersecting line between profile modeling lower mould (5) and profile modeling upper die (6), wear to be equipped with plug (7) in die holder (4), profile modeling lower mould (5) and the profile modeling upper die (6), plug (7) and lower die holder (4), profile modeling lower mould (5) clearance fit, and it is fixed through the fastener with profile modeling upper die (6), plug (7) and profile modeling upper die (6) rotate under the drive of motor (8), when the device rotates, the curved surface drives the core rod (7) and the profiling upper die (6) to move axially.

2. The argon arc welding automatic welding profiling intersecting line mechanism according to claim 1, wherein a base (9) is fixed on the profiling upper die (6), a workpiece to be welded is clamped on the base (9) through a clamping mechanism, and a welding gun is arranged on one side of the workpiece to be welded.

3. The argon arc welding automatic welding profile intersecting line mechanism according to claim 2, wherein the clamping mechanism comprises a positioning plate (10) and a clamp (11) which are oppositely arranged, the positioning plate (10) and the clamp (11) are respectively fixed on a corresponding supporting plate (12), and the supporting plate (12) is fixed on the base (9).

4. The argon arc welding automatic welding profiling intersecting line mechanism according to claim 1, characterized in that a plurality of upright columns (13) are fixed below the bottom plate (1), a connecting plate (14) is fixed below the upright columns (13), and a motor (8) is fixed below the connecting plate (14).

5. The argon arc welding automatic welding profile intersecting line mechanism according to claim 1, characterized in that the motor (8) is a speed reducing motor, and an output shaft of the motor (8) is connected with the core rod (7) through a flat key (15).

6. The argon arc welding automatic welding profile intersecting line mechanism according to claim 1, characterized in that a spring seat (16) is arranged below the motor (8), the spring seat (16) is axially connected with the lower end of the core rod (7) through a fastening piece, and a spring (17) is arranged between the spring seat (16) and the lower end surface of the motor (8).

7. The argon arc welding automatic welding profile intersecting line mechanism according to claim 1, characterized in that a retainer ring (18) for axially fixing the bearing (3) is arranged above the bearing seat (2).