CN218016753U

CN218016753U - Double-positioning-point combined welding fixture for automobile body

Info

Publication number: CN218016753U
Application number: CN202222133136.2U
Authority: CN
Inventors: 靳立坤; 李方泽; 高田龙
Original assignee: Hestep New Energy Vehicle Components Beijing Co ltd
Current assignee: Hestep New Energy Vehicle Components Beijing Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-13
Anticipated expiration: 2032-08-15

Abstract

The utility model relates to an automobile welding technical field, and an automobile body dual localization point combination formula welding anchor clamps is disclosed, the on-line screen storage device comprises a base, a support, slide rail and two L type fixed plates, the support is fixed to be set up in the top of base, the slide rail is transverse fixation and sets up in the top of support, and the inside transverse rotation of slide rail is equipped with two-way screw rod, one side of slide rail is fixed be equipped with two-way screw rod one end fixed connection's motor, the inside symmetrical of slide rail slides and is equipped with two sliders, two equal screw threads of slider set up in the both sides of two-way screw rod, the bottom of two sliders is all fixed to be equipped with the dead lever, the lower extreme of two dead levers respectively with two L type fixed plate fixed connection, the vertical portion and the horizontal part of two L type fixed plates are all fixed to be equipped with first cylinder. The utility model discloses need not to consider the touching automobile body of clamping structure, and the clamping is efficient, is convenient for simultaneously with the automobile body unloading after the welding, has reduced manipulation strength.

Description

Double-positioning-point combined welding fixture for automobile body

Technical Field

The utility model relates to an automobile welding technical field especially relates to an automobile body dual localization point combination formula welds dress anchor clamps.

Background

In the automobile body welding production line, when a workpiece is welded on an automobile body, a swinging mechanism is commonly used for positioning, namely, the workpiece is clamped by a positioning and clamping mechanism and then is welded.

Wherein the patent number is CN205166293U, discloses a two setpoint combination formula of car body weld dress anchor clamps, including the base, set up horizontal guide rail on the base, install X axle horizontal slip table on the horizontal guide rail, one side of horizontal guide rail, at X axle horizontal slip table below installation X axle horizontal migration motor, X axle horizontal slip table can remove along horizontal guide rail under X axle horizontal migration motor drive, wherein the installation jacking cylinder of the left and right sides symmetry of X axle horizontal slip table, the jacking cylinder can the oscilaltion, and the jacking cylinder is with work piece jack-up, and two sets of symmetries of top installation of X axle horizontal slip table simultaneously, and the swing board that the interval set up, wherein the both ends of two sets of swing boards install location fulcrum pin cylinder and swing driving motor respectively, swing driving motor drives corresponding swing board horizontal hunting respectively, and the work piece passes through location fulcrum pin cylinder and presss from both sides tight location.

In the scheme, the swing mode is adopted to clamp and fix the automobile body, and the swing type clamping structure is easy to cause the clamping body to collide with the automobile body in the moving process, so that the clamping efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that swing clamping structure result of use is poor among the prior art, and the combined type of automobile body dual positioning point that provides welds dress anchor clamps.

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

a double-positioning-point combined welding fixture for an automobile body comprises a base, a support, a slide rail and two L-shaped fixing plates, wherein the support is fixedly arranged at the top of the base, the slide rail is transversely fixedly arranged at the top of the support, a bidirectional screw rod is transversely arranged in the slide rail in a rotating manner, a motor fixedly connected with one end of the bidirectional screw rod is fixedly arranged on one side of the slide rail, two slide blocks are symmetrically arranged in the slide rail in a sliding manner, the two slide blocks are respectively arranged on two sides of the bidirectional screw rod in a threaded manner, fixing rods are fixedly arranged at the bottoms of the two slide blocks, the lower ends of the two fixing rods are respectively fixedly connected with the two L-shaped fixing plates, a first air cylinder is fixedly arranged at each of the vertical part and the horizontal part of the two L-shaped fixing plates, and an elastic jacking mechanism is arranged at the tail end of a piston rod of the first air cylinder;

the top of base is equipped with places the board, the top of base is equipped with the jack-up mechanism of being connected with the bottom of placing the board.

Preferably, the jacking mechanism comprises a second cylinder, the second cylinder is obliquely positioned at the bottom of the placing plate, the top of the base and the bottom of the placing plate are respectively and fixedly provided with a first U-shaped block, the bottom of the second cylinder and the tail end of the piston rod are respectively and rotatably arranged in the two first U-shaped blocks, the bottom of the placing plate is symmetrically and fixedly provided with two supporting rods, the top of the base is symmetrically and fixedly provided with two second U-shaped blocks, and the lower ends of the two supporting rods are respectively and rotatably arranged in the two second U-shaped blocks.

Preferably, the tight mechanism in elasticity top includes fixed block, kicking block, slide bar and spring, the fixed block is fixed to be set up in the piston rod end of first cylinder, the slide bar inserts on the lateral wall of fixed block, the one end and the kicking block fixed connection of slide bar, on the pole wall of slide bar was located to the spring housing, and the both ends of spring respectively with fixed block and kicking block fixed connection.

Preferably, one end of the sliding rod, which is far away from the top block, is fixedly provided with a limit stop.

Preferably, the top block is a circular truncated cone-shaped block.

Preferably, the top of base is fixed and is equipped with the saddle, place the board and place in the top of saddle.

Compared with the prior art, the utility model provides a two setpoint combination formula of automobile body weld dress anchor clamps possesses following beneficial effect:

1. this double-positioning-point combined type welding fixture for automobile bodies, through the slide rail, the two-way screw rod, the motor, the fixed rod, the L-shaped fixed plates and the first cylinder that are equipped with, the motor can drive the two-way screw rod to rotate, and the two-way screw rod can make two thread blocks relatively close to, makes two L-shaped fixed plates relatively close to, thereby can make first cylinder be close to automobile bodies, and the first cylinder of rethread control stretches out, can be fixed with automobile body clamping.

2. This two setpoint combination formula of automobile body weld dress anchor clamps, through setting up placing board, second cylinder and the bracing piece at the base top, when the second cylinder stretches out, can make and place the board around bracing piece angular rotation to can lift the automobile body slope of placing the board surface, the unloading of being convenient for.

The device does not relate to the part among all the same with prior art or can adopt prior art to realize, the utility model discloses can not consider clamping structure touching automobile body, and the clamping is efficient, is convenient for simultaneously with the automobile body unloading after the welding, has reduced manipulation strength.

Drawings

Fig. 1 is a schematic structural view of a dual-positioning-point combined welding fixture for an automobile body according to the present invention;

FIG. 2 is a side view of the base and placement board of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: 1. a base; 2. a support; 3. a slide rail; 4. an L-shaped fixing plate; 5. a bidirectional screw; 6. a slider; 7. a motor; 8. fixing the rod; 9. a first cylinder; 10. placing the plate; 11. a second cylinder; 12. a first U-shaped block; 13. a second U-shaped block; 14. a support bar; 15. a top block; 16. a slide bar; 17. a spring; 18. a limit stop; 19. a fixed block; 20. a saddle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a combined welding fixture for double positioning points of an automobile body comprises a base 1, a support 2, a slide rail 3 and two L-shaped fixing plates 4, wherein the support 2 is fixedly arranged at the top of the base 1, the slide rail 3 is transversely fixedly arranged at the top of the support 2, a bidirectional screw 5 is transversely arranged inside the slide rail 3 in a rotating manner, a motor 7 fixedly connected with one end of the bidirectional screw 5 is fixedly arranged at one side of the slide rail 3, two sliders 6 are symmetrically arranged inside the slide rail 3 in a sliding manner, the two sliders 6 are respectively and threadedly arranged at two sides of the bidirectional screw 5, fixing rods 8 are respectively and fixedly arranged at the bottoms of the two sliders 6, the lower ends of the two fixing rods 8 are respectively and fixedly connected with the two L-shaped fixing plates 4, the motor 7 can drive the bidirectional screw 5 to rotate, and the bidirectional screw 5 can enable the two threaded blocks 6 to be relatively close to enable the two L-shaped fixing plates 4 to be relatively close to each other; the vertical portion and the horizontal portion of two L type fixed plates 4 are all fixed and are equipped with first cylinder 9, and the piston rod end of first cylinder 9 is equipped with elasticity top tight mechanism, elasticity top tight mechanism includes fixed block 19, kicking block 15, slide bar 16 and spring 17, fixed block 19 is fixed to be set up in the piston rod end of first cylinder 9, slide bar 16 inserts on the lateral wall of fixed block 19, slide bar 16's one end and kicking block 15 fixed connection, slide bar 16 keeps away from the fixed limit stop 18 that is equipped with of one end of kicking block 15, spring 17 overlaps on the pole wall of slide bar 16, and spring 17's both ends respectively with fixed block 19 and kicking block 15 fixed connection, kicking block 15 adopts the round platform shape piece, control first cylinder 9 stretches out, make kicking block 15 and automobile body contact, kicking block 15 can compress spring 17 at the extruded in-process, thereby can stabilize the clamping with the automobile body.

The top of base 1 is equipped with places board 10, the top of base 1 is equipped with the jack-up mechanism who is connected with the bottom of placing board 10, jack-up mechanism includes second cylinder 11, second cylinder 11 is the slope and is located the bottom of placing board 10, the top of base 1 and the bottom of placing board 10 all fix and are equipped with first U type piece 12, the bottom of second cylinder 11 and piston rod end rotate respectively and set up in the inside of two first U type pieces 12, the bottom symmetry of placing board 10 is fixed and is equipped with two bracing pieces 14, the top symmetry of base 1 is fixed and is equipped with two second U type pieces 13, the lower extreme of two bracing pieces 14 rotates respectively and sets up in the inside of two second U type pieces 13, the fixed saddle 20 that is equipped with in top of base 1, place board 10 and place the top of saddle 20, when second cylinder 11 stretches out, can make and place board 10 around bracing piece 14 angular rotation, thereby can lift the car body slope of placing board 10 surface.

The utility model discloses in, during the use, staff automobile body subassembly is put on the surface of placing board 10, then open motor 7 work, motor 7 can drive two-way screw rod 5 and rotate, two-way screw rod 5 can make two screw thread pieces 6 be close to relatively, make two L type fixed plates 4 be close to relatively, thereby can make first cylinder 9 be close to automobile body, the first cylinder 9 of rethread control stretches out, make kicking block 15 and automobile body contact, kicking block 15 can compression spring 17 by extruded in-process, thereby can be with the firm clamping of automobile body, treat after the welding is accomplished, the work of second cylinder 11 is controlled again, when second cylinder 11 stretches out, can make and place board 10 around 14 angular rotation of bracing piece, thereby can lift the automobile body slope of placing board 10 surfaces, the unloading of being convenient for.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The automobile body double-positioning-point combined welding fixture comprises a base (1), a support (2), a sliding rail (3) and two L-shaped fixing plates (4), and is characterized in that the support (2) is fixedly arranged at the top of the base (1), the sliding rail (3) is transversely and fixedly arranged at the top of the support (2), a bidirectional screw (5) is transversely and rotatably arranged inside the sliding rail (3), a motor (7) fixedly connected with one end of the bidirectional screw (5) is fixedly arranged at one side of the sliding rail (3), two sliding blocks (6) are symmetrically and slidably arranged inside the sliding rail (3), the two sliding blocks (6) are respectively and spirally arranged at two sides of the bidirectional screw (5), fixing rods (8) are fixedly arranged at the bottoms of the two sliding blocks (6), the lower ends of the two fixing rods (8) are respectively and fixedly connected with the two L-shaped fixing plates (4), first air cylinders (9) are fixedly arranged at the vertical parts and the horizontal parts of the two L-shaped fixing plates (4), and elastic jacking mechanisms are arranged at the tail ends of piston rods of the first air cylinders (9);

the top of base (1) is equipped with places board (10), the top of base (1) is equipped with the jack-up mechanism of being connected with the bottom of placing board (10).

2. The automobile body double-positioning-point combined welding fixture as recited in claim 1, wherein the jacking mechanism comprises a second cylinder (11), the second cylinder (11) is obliquely positioned at the bottom of the placing plate (10), the top of the base (1) and the bottom of the placing plate (10) are both fixedly provided with a first U-shaped block (12), the bottom of the second cylinder (11) and the end of the piston rod are respectively and rotatably arranged inside the two first U-shaped blocks (12), the bottom of the placing plate (10) is symmetrically and fixedly provided with two support rods (14), the top of the base (1) is symmetrically and fixedly provided with two second U-shaped blocks (13), and the lower ends of the two support rods (14) are respectively and rotatably arranged inside the two second U-shaped blocks (13).

3. The automobile body double-positioning-point combined welding and assembling clamp as claimed in claim 1, wherein the elastic tightening mechanism comprises a fixing block (19), a top block (15), a sliding rod (16) and a spring (17), the fixing block (19) is fixedly arranged at the tail end of a piston rod of the first air cylinder (9), the sliding rod (16) is inserted into a side wall of the fixing block (19), one end of the sliding rod (16) is fixedly connected with the top block (15), the spring (17) is sleeved on the rod wall of the sliding rod (16), and two ends of the spring (17) are respectively fixedly connected with the fixing block (19) and the top block (15).

4. The combined welding and assembling clamp for the double positioning points of the automobile body as claimed in claim 3, characterized in that a limit stop (18) is fixedly arranged at one end of the sliding rod (16) far away from the top block (15).

5. The automobile body double-positioning-point combined welding clamp as claimed in claim 3, wherein the top block (15) is a truncated cone-shaped block.

6. The double-positioning-point combined welding and assembling clamp for the automobile body according to claim 1, characterized in that a pallet (20) is fixedly arranged at the top of the base (1), and the placing plate (10) is placed at the top of the pallet (20).