CN212330174U

CN212330174U - Robot welding process clamp for electric vehicle head pipe

Info

Publication number: CN212330174U
Application number: CN202020949197.4U
Authority: CN
Inventors: 周晓波
Original assignee: Wuxi Qianyang Metal Technology Co ltd
Current assignee: Wuxi Qianyang Metal Technology Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-01-12
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a robot welding process clamp of an electric vehicle head pipe, which comprises a welding part and a clamp body; the welding part comprises a head pipe, a locking plate and an electric device mounting plate; the clamp body comprises a bottom plate, and a manual clamp, a head pipe positioning table, a head pipe positioning cylinder and a locking plate positioning cylinder are fixedly arranged on the bottom plate; the head pipe is a hollow straight pipe which is horizontally arranged and comprises a large opening end and a small opening end, the small opening end is pressed against an output part of the head pipe positioning cylinder, and the large opening end abuts against the head pipe positioning table; the locking plate positioning cylinder is arranged in the lateral direction of the head pipe, and an output piece of the locking plate positioning cylinder presses the locking plate on the lateral cambered surface of the head pipe; two manual clamps are arranged on two sides of the head pipe respectively; and the two manual clamps respectively clamp one end of the electric device mounting plate and press the electric device mounting plate downwards on the upper cambered surface of the head pipe. The utility model discloses can stabilize centre gripping head pipe to make head pipe and corresponding part can accurate welding.

Description

Robot welding process clamp for electric vehicle head pipe

Technical Field

The utility model relates to an electric motor car frame welding technology field especially relates to robot welding process anchor clamps of electric motor car head pipe.

Background

The head pipe is one of important parts in an electric vehicle frame, and in the process of welding and forming the frame, the head pipe, a lock plate for installing a front lock, a plate body for installing components such as a horn and the like and an arched part for controlling the steering angle of the electric vehicle need to be welded together. In the process of welding the head pipe and the corresponding part by using the welding robot, a proper tool clamp is needed so as to enable the welding forming to be more stable and accurate.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides a robot welding process anchor clamps of electric motor car head pipe can stabilize centre gripping head pipe to make head pipe and corresponding part can accurate welding.

The technical scheme is as follows: in order to achieve the purpose, the utility model discloses a robot welding process clamp of electric motor car head pipe, including welding piece and clamp body; the welding part comprises a head pipe, a locking plate and an electric device mounting plate; the clamp body comprises a bottom plate, and a manual clamp, a head pipe positioning table, a head pipe positioning cylinder and a locking plate positioning cylinder are fixedly arranged on the bottom plate; the head pipe is a horizontally placed hollow straight pipe and comprises a large opening end and a small opening end, the small opening end is pressed against an output part of the head pipe positioning cylinder, and the large opening end abuts against the head pipe positioning table; the locking plate positioning cylinder is arranged in the lateral direction of the head pipe, and an output piece of the locking plate positioning cylinder presses the locking plate on the lateral cambered surface of the head pipe; the two manual clamps are respectively arranged on two sides of the head pipe; and the two manual clamps respectively clamp one end of the electric device mounting plate and press the electric device mounting plate downwards on the upper cambered surface of the head pipe.

Furthermore, a head pipe secondary cylinder is arranged on one side of the head pipe positioning table, an output piece of the head pipe secondary cylinder is a head pipe secondary positioning pin, the radius of the head pipe secondary positioning pin is equal to that of the inner pipe of the large opening end, and the head pipe secondary positioning pin penetrates through the head pipe positioning table and is inserted into the large opening end. The arrangement of the secondary cylinder of the head pipe can ensure the concentricity of the two ends of the head pipe.

Furthermore, three groups of lock plate holes are formed on the surface of the lock plate; the output part of the locking plate positioning cylinder comprises a locking plate positioning plate and three groups of locking plate positioning pins, and the locking plate positioning pins and the locking plate holes are correspondingly spliced and positioned; three groups of positioning bosses are arranged on the locking plate positioning plate, and three groups of locking plate positioning pins are correspondingly arranged on the outer convex end surfaces of the three groups of positioning bosses respectively. The arrangement of the positioning boss enables the positioning of the locking plate positioning pin on the locking plate to be more accurate.

Furthermore, a concentric auxiliary plate is arranged between the lock plate positioning cylinder and the head tube, three groups of concentric holes are formed in the concentric auxiliary plate, and the three groups of concentric holes correspond to the three groups of lock plate positioning pins one by one; and the lock plate positioning pins penetrate through the corresponding concentric holes and are inserted into the corresponding lock plate holes. The setting up of concentric hole makes the operation of jam plate location cylinder more steady, and the concentricity of jam plate locating pin is better.

Furthermore, the welding part also comprises an arch part, one end of the arch part is connected with the pipe body of the head pipe, and the other end of the arch part is provided with a fan-shaped vertical plate integrally and is connected with the large opening end; the joint surface of the head pipe positioning table and the large opening end is outwards provided with two positioning keys in an inverted splayed shape, and the two positioning keys respectively support two side plates of the fan-shaped vertical plate. The setting of the locating key enables the arch-shaped piece to be stably placed on the head pipe and can not rotate relatively.

Furthermore, a pressing cylinder is arranged above the head pipe positioning table, and an output part of the pressing cylinder enables the arch part to be pressed on the head pipe in an abutting mode. Select for use the cylinder to occupy as pushing down the piece can reduce space, make things convenient for welding robot to carry out welding operation.

Has the advantages that: the utility model discloses a robot welding process anchor clamps of electric motor car head pipe, beneficial effect as follows:

1. the head pipe positioning table and the head pipe positioning cylinder are matched to clamp the head pipe, the concentricity of the two ends of the head pipe can be ensured by the arrangement of the head pipe secondary cylinder, and the clamping effect on the head pipe is better;

2. the locking plate positioning cylinder presses the locking plate against the side surface of the head pipe, the positioning boss enables the locking plate positioning pin to more accurately position the locking plate, and the concentric hole enables the locking plate positioning cylinder to more stably and accurately operate;

3. the two manual clamps are matched to press the electric device mounting plate downwards on the upper cambered surface of the head pipe;

4. push down the cylinder and the navigation key cooperation will encircle the piece pressfitting on the head pipe, the setting of navigation key prevents that the piece is rotatory, and the setting of pushing down the cylinder and making can reduce the space and occupy, makes things convenient for welding robot to carry out welding operation.

Drawings

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

FIG. 2 is a schematic structural view of a fixture body;

FIG. 3 is a schematic view of the overall structure of the weldment;

FIG. 4 is an exploded view of the components of the lock plate positioning cylinder;

FIG. 5 is a schematic view of the installation of the arch;

fig. 6 is a schematic view of the position of the head tube in the frame of the electric vehicle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The robot welding process clamp for the electric vehicle head pipe comprises a welding part and a clamp body, wherein the welding part is arranged on the electric vehicle head pipe, and the clamp body is arranged on the electric vehicle head pipe. The weldment includes a head pipe 1, a lock plate 2, and an electrical device mounting plate 3. The upper end of the head pipe 1 is connected with a steering handle of the frame of the electric vehicle, and the lower end of the head pipe 1 is connected with a front fork of the electric vehicle. The lock plate 2 is a plate-shaped part used for installing a front lock on the frame of the electric vehicle. The electric device mounting plate 3 is a plate-shaped component used for mounting electric devices such as a loudspeaker and the like on the frame.

The clamp body comprises a bottom plate 4, and a manual clamp 5, a head pipe positioning table 6, a head pipe positioning cylinder 7 and a locking plate positioning cylinder 8 are fixedly arranged on the bottom plate 4. The head pipe 1 is a hollow straight pipe which is horizontally arranged and comprises a large-opening end 9 and a small-opening end 10. Wherein the big mouth end 9 is connected with the front fork in the frame, and the small mouth end 10 is connected with the steering handle in the frame. The small opening end 10 is pressed against an output part of the head pipe positioning cylinder 7, and the output part of the head pipe positioning cylinder 7 is a positioning pin column which is inserted into the small opening end 10. The large opening end 9 abuts against the head pipe positioning table 6.

The locking plate positioning cylinder 8 is arranged on the lateral side of the head pipe 1, and the stroke direction of the locking plate positioning cylinder 8 is perpendicular to the pipe body of the head pipe 1. And the output piece of the locking plate positioning cylinder 8 presses the locking plate 2 on the side cambered surface of the head pipe 1. When the locking plate 2 is pressed on the head pipe 1, the plate body is a vertical plate body.

The two manual clamps 5 are respectively arranged on two sides of the head pipe 1. And the two manual clamps 5 respectively clamp one end of the electric device mounting plate 3, and press the electric device mounting plate 3 downwards on the upper cambered surface of the head pipe 1. When the electric device mounting plate 3 is pressed on the head pipe 1, the plate body is horizontally placed. The manual clamp 5 is a standard component, and the electric device can be clamped by the manual clamp 3. The structure of the hand clamp 5 can be seen from fig. 1 and 2, and the structure of the hand clamp 5 will not be described or expanded in detail.

A head pipe secondary cylinder 22 is arranged on one side, away from the head pipe 1, of the head pipe positioning table 6. The output part of the head pipe secondary cylinder 22 is a head pipe secondary positioning pin 11, and the radius of the head pipe secondary positioning pin 11 is equal to that of the inner pipe of the large opening end 9. The head pipe positioning table 6 is provided with a through hole. The head tube secondary positioning pin 11 passes through the through hole of the head tube positioning table 6 and is inserted and combined with the large opening end 9. When the head pipe secondary cylinder 22 and the head pipe positioning cylinder 7 are arranged on the bottom plate 4, good concentricity between the two cylinders is ensured, so when the head pipe secondary cylinder 22 and the head pipe positioning cylinder 7 are respectively inserted at the two ends of the head pipe 1, the concentricity of the two ends of the head pipe 1 is also checked, and the concentricity of the two ends of the head pipe 1 is ensured. And the setting of head pipe secondary locating pin 11 can also be pegged graft mutually with the macrostoma end of head pipe 1 better, is favorable to stablizing centre gripping head pipe 1.

The plate surface of the lock plate 2 is provided with three groups of lock plate holes 12. The output piece of jam plate location cylinder 8 includes jam plate locating plate 13 and three group jam plate locating pins 14, jam plate locating pin 14 with jam plate hole 12 corresponds the grafting location. Three sets of jam plate locating pins 14 set up the ascending degree of freedom of jam plate 2 in vertical direction, and cooperation jam plate location cylinder 8 can be stable centre gripping jam plate 2. Three groups of positioning bosses 15 are arranged on the locking plate positioning plate 13, and three groups of locking plate positioning pins 14 are correspondingly arranged on the convex end surfaces of the three groups of positioning bosses 15 respectively. Because the locking plate 2 is a sheet metal part, the surface of the locking plate is not a completely flat plane, and if a whole plate body is matched and pressed on the surface of the locking plate 2, the uneven surface of the locking plate 2 can influence the clamping precision. Consequently, set up location boss 15, reduce the output of jam plate location cylinder 8 and the crimping area of jam plate 2, and then improve the utility model discloses to the centre gripping precision of jam plate 2, ensure the shape precision of the formed part after the welding.

A concentric auxiliary plate 16 is arranged between the lock plate positioning cylinder 8 and the head tube 1, three groups of concentric holes 17 are formed in the concentric auxiliary plate 16, and the three groups of concentric holes 17 correspond to the three groups of lock plate positioning pins 14 one by one. The lock plate positioning pins 14 pass through the corresponding concentric holes 17 and are inserted into the corresponding lock plate holes 12. The setting of concentric hole 17 can make the operation of jam plate location cylinder 8 more steady and accurate, and the concentricity of jam plate locating pin 14 is better. Thereby improving the clamping precision and the positioning precision of the lock plate 2.

The weldment also includes arches 18, the arches 18 being an arch on the frame for controlling steering. One end of the arch 18 is connected with the pipe body of the head pipe 1, the other end of the arch 18 is integrally provided with a fan-shaped vertical plate 19, and the fan-shaped vertical plate 19 is connected with the large opening end 9. The joint surface of the head pipe positioning table 6 and the large opening end 9 is outwards provided with two positioning keys 20 in an inverted splayed shape, and the two positioning keys 20 respectively support two side plates of the fan-shaped vertical plate 19. The arch 18 is limited by the positioning key 20, so that the relative positions of the arch 18, the electric device mounting plate 3 and the lock plate 2 on the head pipe 1 are prevented from being changed due to the rotation of the arch 18, and further the welded formed parts are prevented from being failed. Promote the utility model discloses a clamping accuracy.

A pressing cylinder 21 is arranged above the head pipe positioning table 6, and an output part of the pressing cylinder 21 presses the arch part 18 on the head pipe 1. The hold-down cylinders 21 define the degrees of freedom of the arch 18 in the vertical direction. The pressing cylinder 21 is selected instead of tools such as a clamp for pressing operation, so that the space occupied by the pressing cylinder 21 is small, and the welding operation of the welding robot is more convenient.

When the utility model works, the head pipe positioning cylinder 7 and the head pipe secondary cylinder 22 are driven to respectively clamp the two ends of the head pipe 1; then, the locking plate 2 is placed on the locking plate positioning pin 14, and the locking plate 2 is pressed against the side cambered surface of the head pipe 1 by the locking plate positioning cylinder 8; then, the electric device mounting plate 3 is pressed on the upper cambered surface of the head pipe 1 through manually controlling the manual clamp 5; the sector risers 19 of the arch 18 are then placed on the positioning keys 20 and the hold-down cylinders 21 are actuated to press the arch 18 against the head pipe 1. After the clamping is finished, the welding robot can perform welding operation.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. Robot welding process anchor clamps of electric locomotive head pipe, its characterized in that: comprises a welding part and a clamp body; the welding part comprises a head pipe (1), a locking plate (2) and an electric device mounting plate (3); the clamp body comprises a bottom plate (4), and a manual clamp (5), a head pipe positioning table (6), a head pipe positioning cylinder (7) and a locking plate positioning cylinder (8) are fixedly arranged on the bottom plate (4); the head pipe (1) is a horizontally placed hollow straight pipe and comprises a large opening end (9) and a small opening end (10), the small opening end (10) is pressed against an output part of the head pipe positioning cylinder (7), and the large opening end (9) abuts against the head pipe positioning table (6); the locking plate positioning cylinder (8) is arranged in the lateral direction of the head pipe (1), and the locking plate (2) is pressed on the side cambered surface of the head pipe (1) by an output piece of the locking plate positioning cylinder (8); the two manual clamps (5) are respectively arranged on two sides of the head pipe (1); and the two manual clamps (5) respectively clamp one end of the electric device mounting plate (3) and press the electric device mounting plate (3) downwards on the upper cambered surface of the head pipe (1).

2. The robot welding process clamp of the electric vehicle head pipe as claimed in claim 1, wherein: a head pipe secondary cylinder (22) is arranged on one side of the head pipe positioning table (6), an output piece of the head pipe secondary cylinder (22) is a head pipe secondary positioning pin (11), the radius of the head pipe secondary positioning pin (11) is equal to that of an inner pipe of the large opening end (9), and the head pipe secondary positioning pin (11) penetrates through the head pipe positioning table (6) and is inserted into the large opening end (9).

3. The robot welding process clamp of the electric vehicle head pipe as claimed in claim 1, wherein: the plate surface of the lock plate (2) is provided with three groups of lock plate holes (12); the output part of the lock plate positioning cylinder (8) comprises a lock plate positioning plate (13) and three groups of lock plate positioning pins (14), and the lock plate positioning pins (14) are correspondingly inserted and positioned with the lock plate holes (12); three groups of positioning bosses (15) are arranged on the locking plate positioning plate (13), and three groups of locking plate positioning pins (14) are respectively and correspondingly arranged on the convex end surfaces of the three groups of positioning bosses (15).

4. The robot welding process fixture of electric vehicle head pipe according to claim 3, characterized in that: a concentric auxiliary plate (16) is arranged between the lock plate positioning cylinder (8) and the head tube (1), three groups of concentric holes (17) are formed in the concentric auxiliary plate (16), and the three groups of concentric holes (17) correspond to the three groups of lock plate positioning pins (14) one by one; the lock plate positioning pins (14) penetrate through the corresponding concentric holes (17) and are inserted into the corresponding lock plate holes (12).

5. The robot welding process clamp of the electric vehicle head pipe as claimed in claim 1, wherein: the welding piece further comprises an arch-shaped piece (18), one end of the arch-shaped piece (18) is connected with the pipe body of the head pipe (1), and the other end of the arch-shaped piece (18) is integrally provided with a fan-shaped vertical plate (19) which is connected with the large opening end (9); the joint surface of the head pipe positioning table (6) and the large opening end (9) is outwards provided with two positioning keys (20) in an inverted splayed shape, and the two positioning keys (20) respectively support two side plates of the fan-shaped vertical plate (19).

6. The robot welding process fixture of electric vehicle head pipe according to claim 5, characterized in that: a pressing cylinder (21) is arranged above the head pipe positioning table (6), and an output part of the pressing cylinder (21) presses the arch-shaped part (18) on the head pipe (1).