CN213560817U

CN213560817U - Positioning and clamping mechanism for vehicle body welding fixture

Info

Publication number: CN213560817U
Application number: CN202022580095.2U
Authority: CN
Inventors: 梁伟; 梁景波
Original assignee: Yantai Liangtai Automation Technology Co ltd
Current assignee: Yantai Liangtai Automation Technology Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-06-29
Anticipated expiration: 2030-11-10

Abstract

The utility model belongs to the technical field of positioning and clamping, in particular to a positioning and clamping mechanism for a welding fixture of a vehicle body, aiming at the problems that most of the existing positioning and clamping mechanisms can not clamp from the inside of a workpiece, can deform the workpiece during processing, and has complex operation and inconvenient use, the utility model provides a proposal which comprises a base, wherein the inside of the base is provided with a transverse groove, the top of the base is fixedly connected with a rectangular block, the inside of the rectangular block is provided with a vertical groove, two sides of the rectangular block are both provided with clamping grooves, the inner wall of one side of the two clamping grooves is provided with a plurality of positioning holes, the inner wall of the other side of the two clamping grooves is provided with a plurality of thread grooves, the thread grooves and the positioning holes are arranged in one-to-one correspondence, and two positioning holes in the plurality of positioning holes are in threaded connection with positioning bolts, so that the utility, the workpiece can not be deformed, the operation is simple, and the use is convenient.

Description

Positioning and clamping mechanism for vehicle body welding fixture

Technical Field

The utility model relates to a work piece positioning clamping technical field especially relates to a positioning clamping mechanism for automobile body welds dress anchor clamps.

Background

The clamp positioning structure in the prior art is complex, high in cost, large in occupied space, inconvenient for an operator to work, easy to scrape and touch the operator, inconvenient and easy to take a workpiece, and incapable of accurately positioning and the like.

However, most of the existing positioning and clamping mechanisms cannot clamp from the inside of a workpiece, deform the workpiece during machining, are complex to operate and inconvenient to use, and provide a positioning and clamping mechanism for a vehicle body welding clamp for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving most location clamping mechanism, can not press from both sides tightly from the work piece is inside, add man-hour, can cause the deformation to the work piece, and the operation is complicated, awkward shortcoming, and the location clamping mechanism who is used for the automobile body to weld clamping apparatus that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a positioning and clamping mechanism for a welding fixture of a vehicle body comprises a base, wherein a transverse groove is formed in the base, a rectangular block is fixedly connected to the top of the base, vertical grooves are formed in the rectangular block, clamping grooves are formed in two sides of the rectangular block, a plurality of positioning holes are formed in the inner wall of one side of each of the two clamping grooves, a plurality of thread grooves are formed in the inner wall of the other side of each of the two clamping grooves, the thread grooves and the positioning holes are arranged in a one-to-one correspondence manner, positioning bolts are connected to the inner threads of two positioning holes in the plurality of positioning holes in a threaded manner, pressing blocks are sleeved on the outer sides of the two positioning bolts, one ends of the two positioning bolts are respectively in threaded connection with the corresponding two thread grooves, two vertical rollers are fixedly connected to the top of the rectangular block, the top of the two vertical rollers is fixedly connected with the same cover plate, springs are, spacing recess and lift hole and inclined hole have been seted up to the inside of sliding roll, sliding connection has the sloping block on the inner wall of inclined hole, one side fixedly connected with layer board of base, the top fixedly connected with cylinder of layer board, fixedly connected with push rod on the output shaft of cylinder, the outside cover of push rod is equipped with the observation board, the one end and the sloping block fixed connection of push rod.

Preferably, four threaded holes are formed in the two sides of the base, bolts are connected to the inner walls of the four threaded holes in a threaded mode, and the outer sides of the four bolts are rotatably connected with limiting blocks.

Preferably, the bottom of the spring is fixedly connected with the inner wall of the bottom of the limiting groove, and one ends of the two pressing blocks are in contact with the inner wall of the bottom side of the lifting hole.

Preferably, one end of the inclined block is fixedly connected with a transverse block, and the outer side of the transverse block is connected with the inner wall of the transverse groove in a sliding mode.

Preferably, the square groove has been seted up at the top of layer board, sliding connection has the slider on the inner wall of square groove, and the top of slider and the bottom fixed connection who observes the board have been seted up in the inside of observing the board and have been observed the hole, fixedly connected with glass on the inner wall of observing the hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the workpiece to be processed is placed on the top of the base, the two sides of the workpiece are in close contact with the limiting blocks, the limiting blocks can fix the workpiece at a proper position for accurate processing, the cylinder is opened and drives the push rod to move leftwards, the push rod drives the observation plate, the observation hole and the sloping block to move leftwards, the observation plate can effectively block scraps, sparks and the like generated during workpiece processing, the observation hole can directly and safely observe the processing condition of the workpiece, adjustment can be made in time, the sloping block drives the transverse block to move leftwards, the sloping block drives the sliding roller to move upwards, the sliding roller drives the two pressing blocks to compress and fix the two sides of the object, the sliding roller drives the spring to extrude upwards, the spring can reset the sliding roller after the processing is completed, the weight of one end of the two pressing blocks, which is in contact with the lifting hole, is greater than the other end of the, and closing the air cylinder and taking out the workpiece.

The utility model discloses can press from both sides tightly the work piece from inside, the work piece can not warp easy operation, convenient to use.

Drawings

Fig. 1 is a schematic cross-sectional structural view of a positioning and clamping mechanism for a vehicle body welding fixture according to the present invention;

fig. 2 is a schematic top view of a positioning and clamping mechanism for a vehicle body welding fixture according to the present invention;

fig. 3 is the utility model provides a positioning bolt, briquetting and double-layered groove structural schematic diagram that is used for positioning clamping mechanism of automobile body welding anchor clamps.

In the figure: 1. a base; 2. a rectangular block; 3. a limiting block; 4. positioning holes; 5. positioning the bolt; 6. briquetting; 7. a vertical roller; 8. a cover plate; 9. a spring; 10. a slide roller; 11. a sloping block; 12. a transverse block; 13. a support plate; 14. a cylinder; 15. a push rod; 16. an observation plate; 17. an observation hole; 18. a limiting groove; 19. a lifting hole; 20. and (4) inclined holes.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Referring to fig. 1-3, a positioning and clamping mechanism for a welding fixture of a vehicle body comprises a base 1, a transverse groove is formed in the base 1, a rectangular block 2 is fixedly connected to the top of the base 1, a vertical groove is formed in the rectangular block 2, clamping grooves are formed in two sides of the rectangular block 2, a plurality of positioning holes 4 are formed in the inner wall of one side of each of the two clamping grooves, a plurality of thread grooves are formed in the inner wall of the other side of each of the two clamping grooves, the thread grooves and the positioning holes 4 are arranged in a one-to-one correspondence manner, positioning bolts 5 are connected to two positioning holes 4 in the plurality of positioning holes 4 in a threaded manner, a pressing block 6 is sleeved on the outer sides of the two positioning bolts 5, one ends of the two positioning bolts 5 are respectively in threaded connection with the corresponding two thread grooves, two vertical rollers 7 are fixedly connected to the top of the rectangular block 2, the top of the two vertical, sliding connection has sliding roller 10 on the inner wall of perpendicular groove, and spacing recess 18 and lift hole 19 and inclined hole 20 have been seted up to sliding roller 10's inside, and sliding connection has sloping block 11 on the inner wall of inclined hole 20, one side fixedly connected with layer board 13 of base 1, the top fixedly connected with cylinder 14 of layer board 13, fixedly connected with push rod 15 on the output shaft of cylinder 14, and the outside cover of push rod 15 is equipped with observation board 16, the one end and the sloping block 11 fixed connection of push rod 15.

In this embodiment, four screw holes are seted up to base 1's both sides, and equal threaded connection has the bolt on four screw hole inner walls, and the outside of four bolts is rotated and is connected with stopper 3.

In this embodiment, the bottom of the spring 9 is fixedly connected with the inner wall of the bottom of the limiting groove 18, and one end of each of the two pressing blocks 6 is in contact with the inner wall of the bottom side of the lifting hole 19.

In this embodiment, one end of the inclined block 11 is fixedly connected with a transverse block 12, and the outer side of the transverse block 12 is slidably connected with the inner wall of the transverse groove.

In this embodiment, the square groove has been seted up at the top of layer board 13, and sliding connection has the slider on the inner wall of square groove, and the top of slider and the bottom fixed connection who observes board 16 have been seted up in the inside of observing board 16 and have been observed hole 17, fixedly connected with glass on the inner wall of observing hole 17.

The working principle is as follows:

the workpiece to be processed is placed on the top of the base 1, two sides of the workpiece are in close contact with the limiting blocks 3, the limiting blocks 3 can fix the workpiece at a proper position for accurate processing, the air cylinder 14 is opened, the air cylinder 14 drives the push rod 15 to move leftwards, the push rod 15 drives the observation plate 16, the observation hole 17 and the inclined block 11 to move leftwards, the observation plate 16 can effectively block scraps, sparks and the like generated during processing the workpiece, the observation hole 17 can directly and safely observe the processing condition of the workpiece, adjustment can be made in time, the inclined block 11 drives the transverse block 12 to move leftwards, the inclined block 11 drives the sliding roller 10 to move upwards, the sliding roller 10 drives the two pressing blocks 6 to compress and fix two sides of an object, the sliding roller 10 drives the spring 9 to extrude upwards, the spring 9 can reset the sliding roller 10 after processing is completed, and the weight of one end of the two pressing blocks 6, which, the fixing device has the functions of fixing the workpiece after machining is finished, closing the air cylinder 14 after machining is finished, and taking out the workpiece.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. A positioning and clamping mechanism for a welding fixture of a vehicle body comprises a base (1) and is characterized in that a transverse groove is formed in the base (1), a rectangular block (2) is fixedly connected to the top of the base (1), vertical grooves are formed in the rectangular block (2), clamping grooves are formed in two sides of the rectangular block (2), a plurality of positioning holes (4) are formed in the inner wall of one side of each clamping groove, a plurality of thread grooves are formed in the inner wall of the other side of each clamping groove, the thread grooves and the positioning holes (4) are arranged in a one-to-one correspondence mode, positioning bolts (5) are in threaded connection with two positioning holes (4) in the plurality of positioning holes (4), pressing blocks (6) are sleeved on the outer sides of the two positioning bolts (5), one ends of the two positioning bolts (5) are in threaded connection with the corresponding two thread grooves respectively, two vertical rollers (7) are fixedly connected to the top of the rectangular block (2), the top fixedly connected with of two perpendicular rollers (7) is same apron (8), bottom fixedly connected with spring (9) of apron (8), sliding connection has sliding roller (10) on the inner wall of perpendicular groove, spacing recess (18) and lift hole (19) and inclined hole (20) have been seted up to the inside of sliding roller (10), sliding connection has sloping block (11) on the inner wall of inclined hole (20), one side fixedly connected with layer board (13) of base (1), top fixedly connected with cylinder (14) of layer board (13), fixedly connected with push rod (15) on the output shaft of cylinder (14), the outside cover of push rod (15) is equipped with observation board (16), the one end and sloping block (11) fixed connection of push rod (15).

2. The positioning and clamping mechanism for the vehicle body welding fixture is characterized in that four threaded holes are formed in two sides of the base (1), bolts are connected to the inner walls of the four threaded holes in a threaded mode, and limiting blocks (3) are connected to the outer sides of the four bolts in a rotating mode.

3. The positioning and clamping mechanism for the vehicle body welding clamp is characterized in that the bottom of the spring (9) is fixedly connected with the inner wall of the bottom of the limiting groove (18), and one end of each of the two pressing blocks (6) is in contact with the inner wall of the bottom side of the lifting hole (19).

4. The positioning and clamping mechanism for the vehicle body welding clamp according to claim 1 is characterized in that one end of the inclined block (11) is fixedly connected with a cross block (12), and the outer side of the cross block (12) is in sliding connection with the inner wall of the cross groove.

5. The positioning and clamping mechanism for the vehicle body welding fixture is characterized in that a square groove is formed in the top of the supporting plate (13), a sliding block is connected to the inner wall of the square groove in a sliding mode, the top of the sliding block is fixedly connected with the bottom of the observation plate (16), an observation hole (17) is formed in the observation plate (16), and glass is fixedly connected to the inner wall of the observation hole (17).