CN210818128U

CN210818128U - Welding auxiliary positioning device and semi-automatic welding device

Info

Publication number: CN210818128U
Application number: CN201921782579.6U
Authority: CN
Inventors: 周欧亚; 鄢荣清; 贾锋; 孙芽
Original assignee: Dongfeng Xiangyang Spinning Technology Co Ltd
Current assignee: Dongfeng Xiangyang Spinning Technology Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-23
Anticipated expiration: 2029-10-23

Abstract

A welding auxiliary positioning device and a semi-automatic welding device comprise a two-way sliding guide rail and a working sliding table, wherein the two-way sliding guide rail is horizontally arranged, the working sliding table is inclined with the two-way sliding guide rail, a rotary positioning ring for positioning a first workpiece to be welded is arranged on the working sliding table, a pressing air cylinder is arranged on the side part of the working sliding table, a fixture for clamping a second workpiece to be welded, which is arranged in an inner cavity of the first workpiece to be welded, is connected to a piston rod of the pressing air cylinder, and the end part of the working sliding table is hinged; the sliding table pushing device further comprises a sliding table pushing cylinder used for pushing the working sliding table to rotate around the hinged position, and the sliding table pushing cylinder is arranged between the working sliding table and the two-way sliding guide rail. The device can complete the positioning and clamping of the workpiece, has high product qualification rate, reduces the incidence of safety accidents and improves the production efficiency.

Description

Welding auxiliary positioning device and semi-automatic welding device

Technical Field

The utility model relates to a semi-automatic welding technical field especially relates to an auxiliary positioning device and welded device.

Background

At present, the welding of traditional belt pulley and wheel hub uses the operation workman manually to press from both sides tight operation, presss from both sides tight back, and the welder is handed to the operation workman, carries out welding process, and after the welding, manual unclamping clamping device takes the part back, and welding process accomplishes.

Such a conventional pure manual welding method has the following problems:

1. the electric welding machine belongs to equipment with lower safety coefficient, and the accident rate of manual operation is higher;

2. clamping operation is carried out manually, the clamping force is uneven, the clamping force cannot meet the requirement, a gap is formed between the workpiece belt pulley and the workpiece hub, and the welded part is unqualified;

3. the manual production needs manual clamping, welding and loosening procedures, and the production efficiency is extremely low.

Disclosure of Invention

For solving the technical defect who exists, the utility model provides a welding auxiliary positioning device reduces the emergence of incident effectively, improves welding quality, improves production efficiency.

Another object of the present invention is to provide a semi-automatic welding device.

The technical scheme of the utility model is that: a welding auxiliary positioning device comprises a two-way sliding guide rail and a working sliding table, wherein the two-way sliding guide rail is horizontally arranged, the working sliding table is inclined with the two-way sliding guide rail, a rotary positioning ring for positioning a first workpiece to be welded is arranged on the working sliding table, a pressing air cylinder is arranged on the side part of the working sliding table, a clamp for clamping a second workpiece to be welded, which is arranged in an inner cavity of the first workpiece to be welded, is connected to a piston rod of the pressing air cylinder, and the end part of the working; the sliding table pushing device further comprises a sliding table pushing cylinder used for pushing the working sliding table to rotate around the hinged position, and the sliding table pushing cylinder is arranged between the working sliding table and the two-way sliding guide rail.

The rotary positioning ring comprises an annular positioning groove, the outer side of the lower part of the positioning groove is arranged at the mounting hole of the working sliding table through a bearing, and the upper part of the positioning groove protrudes out of the upper surface of the working sliding table.

The rotary positioning device further comprises an electric rotary base used for driving the rotary positioning ring to rotate, a rotating shaft of the electric rotary base is perpendicular to the plane of the working sliding table, and the bottom of the positioning groove is connected with the rotating shaft of the electric rotary base.

The clamp is a rotatable clamp and comprises a pressing rod perpendicular to the plane where the work sliding table is located and a pressing head arranged at the end part of the pressing rod, a guide rod is connected to the piston rod of the pressing cylinder, a mounting hole matched with the end part of the pressing rod is formed in the end part of the guide rod, and the mounting hole is in clearance fit with the end part of the pressing rod.

The pressure head is of a step-shaped cylindrical structure.

Fixed shafts are arranged on two sides of the end part of the working sliding table and are inserted on the fixed seats on the two-way sliding guide rail.

The end part of a piston rod of the propelling cylinder of the sliding table is hinged with the lower surface of the working sliding table.

The cylinder barrel of the sliding table propulsion cylinder and the double-path sliding guide rail are both arranged on the bottom plate bracket, and a horizontal plate for placing the working sliding table when the working sliding table is in a non-welding working state of a horizontal position is further arranged on the double-path sliding guide rail.

A semi-automatic welding device comprises a welding machine base, a cross sliding table arranged above the welding machine base, a welding head arranged on the cross sliding table through a welding gun lifting cylinder, and any one of the welding auxiliary positioning devices which is matched with the welding head.

Compared with the prior art the utility model discloses:

(1) the cylinder is used for driving welding, so that the accident rate of a workshop is greatly reduced;

(2) a workpiece is clamped by a pressing cylinder, so that the qualification rate of the part is greatly improved;

(3) the work sliding table can be adjusted between 10 degrees and 45 degrees of an included angle with the horizontal plane as required under the driving of the sliding table propulsion cylinder, and the production efficiency is effectively improved.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a partially enlarged view of the welding position of the present invention;

in the figure: 1. rotating the positioning ring; 2. a working sliding table; 3. a clamp; 4. a pressing cylinder; 5. a vent; 6. a cross sliding table; 7. a welding gun lifting cylinder; 8. the sliding table propels the cylinder; 9. a door curtain upper and lower cylinder; 10. a welding machine base; 11. the electric welding machine master control mechanism; 12. a base plate bracket; 13. a two-way sliding guide rail; 14. a welding gun; 15. an electrically rotating base; 16. a workpiece belt pulley; 17. a workpiece hub; 18. a door curtain; 19. a welding point; 23. a pressure lever; 24. a pressure head; 25. a guide bar; 26. a horizontal plate.

Detailed Description

The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings, which are simplified schematic drawings and only schematically illustrate the basic structure of the present invention.

In fig. 1 and 2, the semiautomatic welding device comprises a welding machine base 10, a cross sliding table 6 and a welding gun lifting cylinder 7 which are arranged above the welding machine base 10, a work sliding table 2, a door curtain upper and lower cylinder 9, the welding gun lifting cylinder 7, a welding machine master control mechanism 11, a bottom plate support 12, a double-path sliding guide rail 13 which can enable the work sliding table 2 to move back and forth, a rotary positioning ring 1 on the work sliding table 2, a clamp 3 used for clamping parts, a pressing cylinder 4 which enables the clamp 3 to automatically clamp, and a welding gun lifting cylinder 7 which drives a welding gun 14 to feed up and down and return. The angle of the included angle between the work sliding table 2 and the horizontal plane can be adjusted through the sliding table propulsion cylinder 8, and the included angle between the work sliding table 2 and the horizontal plane can be adjusted between 10 degrees and 45 degrees according to needs. The front and back positions of the work sliding table 2 are adjusted through the double-way sliding guide rail 13, the feeding distance of the welding gun 14 is adjusted through the welding gun lifting cylinder 7, the welding point 19 to be welded of the welding gun 14 can be determined, and the welding gun 14 can perform 360-degree seamless welding on the workpiece belt pulley 16 and the workpiece hub 17 in a circle under the driving of the electric rotating base 15. The door curtain 18 can be closed and opened by driving the door curtain upper and lower cylinders 9, so that the safety of the welding process is met; all cylinders use compressed air as the driving gas source. Four corners of the bottom of the welding machine base table 10 are provided with a foot cup.

In fig. 3, the clamp is a rotatable clamp 3, and includes a pressure rod 23 perpendicular to the plane of the sliding table 2 and a pressure head 24 disposed at the end of the pressure rod, a piston rod of the pressing cylinder 4 is connected with a guide rod 25, the end of the guide rod is provided with a mounting hole matched with the end of the pressure rod, and the mounting hole is in clearance fit with the end of the pressure rod. The workpiece belt pulley 16 is a first workpiece to be welded, and the workpiece hub 17 is a second workpiece to be welded.

Before welding, the welding spot position is determined, and the sliding table propulsion cylinder 8 is adjusted to form an included angle of 30 degrees between the working sliding table 2 and the horizontal plane; secondly, adjusting the two-way sliding guide rail 13 to enable the workpiece belt pulley 16 to be aligned with a vertical position of the welding gun 14 through any contact point of the outer circle of the workpiece hub, namely a welding point 19; thirdly, adjusting a welding gun lifting cylinder 7 to enable a welding gun 14 to be just aligned and contacted with a welding point 19 till the adjustment and sharing are finished;

when the device works, firstly, an operator puts a workpiece belt pulley 16 into the positioning element 1, secondly puts a workpiece hub 17 below the clamp 3, thirdly presses a pressing cylinder starting button 20 to drive the clamp 3, firmly presses the workpiece belt pulley 16 and the workpiece hub 17, fourthly presses a welding starting button 22 to automatically complete a welding process, fifthly presses a pressing cylinder releasing button 21 to drive the clamp to release, then the operator takes out a welded part and moves to a next station, and the semi-automatic welding process is completed.

Claims

1. The utility model provides a welding auxiliary positioning device which characterized in that: the welding device comprises a two-way sliding guide rail (13) and a working sliding table (2) which is horizontally arranged and is inclined with the two-way sliding guide rail (13), wherein a rotary positioning ring (1) for positioning a first workpiece to be welded is arranged on the working sliding table (2), a pressing cylinder (4) is arranged on the side part of the working sliding table (2), a clamp (3) for clamping a second workpiece to be welded, which is arranged in an inner cavity of the first workpiece to be welded, is connected to a piston rod of the pressing cylinder (4), and the end part of the working sliding table (2) is hinged to the two-way sliding; the sliding table pushing device is characterized by further comprising a sliding table pushing cylinder (8) used for pushing the working sliding table (2) to rotate around the hinged position, wherein the sliding table pushing cylinder (8) is arranged between the working sliding table (2) and the two-way sliding guide rail (13).

2. The welding assistance positioning device of claim 1, wherein: the rotary positioning ring (1) comprises an annular positioning groove, the outer side of the lower part of the positioning groove is arranged at a mounting hole of the work sliding table (2) through a bearing, and the upper part of the positioning groove protrudes out of the upper surface of the work sliding table (2).

3. The welding assistance positioning device of claim 2, wherein: the rotary positioning device is characterized by further comprising an electric rotating base (15) used for driving the rotary positioning ring (1) to rotate, a rotating shaft of the electric rotating base (15) is perpendicular to the plane of the working sliding table (2), and the bottom of the positioning groove is connected with the rotating shaft of the electric rotating base (15).

4. The welding assistance positioning device of claim 1, wherein: the clamp is a rotatable clamp (3) and comprises a pressing rod (23) perpendicular to the plane of the working sliding table (2) and a pressing head (24) arranged at the end part of the pressing rod, a piston rod of the pressing cylinder (4) is connected with a guide rod (25), the end part of the guide rod is provided with a mounting hole matched with the end part of the pressing rod, and the mounting hole and the end part of the pressing rod are in clearance fit.

5. The welding assistance positioning device of claim 4, wherein: the pressure head (24) is of a step-shaped cylindrical structure.

6. The welding assistance positioning device of claim 1, wherein: fixed shafts are arranged on two sides of the end part of the working sliding table (2) and are inserted on the fixed seats on the two-way sliding guide rail (13).

7. The welding assistance positioning device of claim 1, wherein: the end part of a piston rod of the sliding table propulsion cylinder (8) is hinged with the lower surface of the working sliding table (2).

8. The welding assistance positioning device of claim 1, wherein: the cylinder barrel of the sliding table propulsion cylinder (8) and the double-way sliding guide rail (13) are both arranged on the bottom plate bracket (12), and a horizontal plate (26) for placing the working sliding table (2) when the working sliding table (2) is in a horizontal non-welding working state is further arranged on the double-way sliding guide rail (13).

9. A semi-automatic welding device is characterized in that: the welding auxiliary positioning device comprises a welding machine base platform (10), a cross sliding table (6) arranged above the welding machine base platform (10), a welding head (14) arranged on the cross sliding table (6) through a welding gun lifting cylinder (7), and the welding auxiliary positioning device is matched with the welding head (14) to work and is claimed in any one of claims 1 to 8.