CN211939619U

CN211939619U - Self-adaptive workpiece holding and clamping mechanism

Info

Publication number: CN211939619U
Application number: CN201922358980.3U
Authority: CN
Inventors: 王磊; 唐建聪; 杨亮藩; 陈响元; 冯文德
Original assignee: Guangzhou Deheng Auto Equipment Science & Technology Co ltd
Current assignee: Guangzhou Deheng Auto Equipment Science & Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-11-17
Anticipated expiration: 2029-12-25

Abstract

The patent provides a self-adaptation work piece embraces and presss from both sides mechanism, mainly provides the part by power, and the slide rail self-interacting location is embraced and is pressed from both sides the part, and hinge self-adaptation mechanism and fixed plate constitute. Whole mechanism is symmetrical shape, and the cylinder is installed in the well below of structure, and the slide rail is embraced tight mechanism and is installed in both sides, and slide rail is embraced and is pressed from both sides the mechanism top and has installed adaptive structure and briquetting. When in production, after an automobile workpiece is placed into the mechanism, the operating button is pressed, the piston rod of the air cylinder extends out, and meanwhile, the clamping mechanisms connected with the air cylinder on two sides are driven, each clamping mechanism on two sides is provided with an adjustable limiting block, and meanwhile, the automatic using mechanism on the sliding rail is driven. When the piston rod of the air cylinder extends outwards all the time, after the limiting blocks in front of the two piston rods reach the right positions, the self-adaptive mechanism above the piston rod clamps the plate in a self-adaptive mode according to the bent shape of the plate, installation accuracy is guaranteed, and therefore the workpiece in the bent shape of the automobile can be held tightly.

Description

Self-adaptive workpiece holding and clamping mechanism

Technical Field

The utility model discloses a carry out the novel positioning clamp self-adaptation technique that self-adaptation was held tightly to crooked type pipe fitting of car, mainly used makes the inclined plane work piece in automobile chassis spare or automobile assembling field.

Background

With the improvement of the living standard of people in China, the automobile is more and more preserved in each family in China. The development of the automobile industry market makes the automobile production market which is competitive even more. With such a strong market competition, efficiency is of great importance in the manufacturing industry. The automation of automobile manufacturing by various host plants and accessory plants is increasing to cope with the ever-increasing competition in the market. And with the emergence of new materials, new structures and the like, the requirements on the functions and safety of automobiles are higher and higher. Various parts of the automobile are changed by turning over the sky and covering the ground, the form is more and more complex, and the space for tool design by each automobile plate is smaller and smaller. Under this condition, the welding frock needs to be able to adapt to the clamp of the curved shape work piece of complicacy to guarantee not to produce the yawing force and influence frock positioning accuracy to the work piece locating pin, traditional structure volume is great, and the structure is complicated, can't satisfy current frock design requirement.

Disclosure of Invention

In view of the above-mentioned prior art not enough, the utility model aims at providing a self-adaptation work piece embraces and presss from both sides mechanism is applicable to the self-adaptation work piece of crooked type utensil sloping panel part and embraces and press from both sides the mechanism. The mechanism is a full-automatic mechanism, is convenient for workers to install bent pipe type automobile accessories, can ensure the installation precision and shorten the production takt time. The mechanism is designed by using a hinge connection self-adaptive principle, and has the advantages of simple design, simple and convenient operation and low manufacturing cost.

The utility model provides a technical scheme that its technical problem adopted is: a self-adaptive workpiece holding and clamping mechanism is designed and is suitable for bent plates. This crooked type plate self-adaptation work piece embraces and presss from both sides mechanism comprises three parts, is respectively: firstly, a power supply part uses a cylinder to clamp force; secondly, the slide rail self-adjusts and positions the clamping part; the self-adaptive mechanism of the hinge is adopted,

and (7) fixing the plate. Whole mechanism is symmetrical shape, and the cylinder is installed in the well below of structure, and the slide rail is embraced tight mechanism and is installed in both sides, and slide rail is embraced and is pressed from both sides the mechanism top and has installed adaptive structure and briquetting. When in production, after an automobile workpiece is placed into the mechanism, the operating button is pressed, the piston rod of the air cylinder extends out, and meanwhile, the clamping mechanisms connected with the air cylinder on two sides are driven, each clamping mechanism on two sides is provided with an adjustable limiting block, and meanwhile, the automatic using mechanism on the sliding rail is driven. When cylinder piston rod stretches out outward always, the stopper in two the place ahead targets in place with the back, and the self-adaptation mechanism of top carries out the self-adaptation according to the bending shape of plate and embraces the clamp, guarantees the installation accuracy, consequently can hold the work piece of car bending shape tightly, guarantees the position degree of installation part and does not cause the yawing force to part locating pin mechanism in the narrow and small position in space, thereby guarantees the product quality of frock precision assurance.

As the utility model relates to a self-adaptation work piece is embraced and is pressed from both sides preferred of mechanism uses the design of the single cylinder of both sides slide rail, and the mechanism is compact light, and is with low costs, and the location is accurate, and the armful of just having accomplished crooked type plate of an available cylinder presss from both sides the action, and simple to use of structure is high-efficient, has improved the utilization ratio in crooked plate space, has also reduced manufacturing cost simultaneously.

As the utility model relates to a self-adaptation work piece embraces the preferred of pressing from both sides mechanism, the location and press from both sides tight adoption be one spacing and two stoppers accomplish. The position of the positioning block is designed to be adjustable so as to ensure that errors caused by adjustment and manufacture and abrasion errors caused by long service time of the positioning block are compensated. The number of used parts is small, the structure is simple, and the manufacturing cost and the debugging and maintenance cost are greatly reduced.

As the utility model relates to a self-adaptation work piece embraces the preferred of pressing from both sides mechanism, fixes a position and presss from both sides tightly one step and puts in place, and self-adaptation regulation is carried out according to the shape of plate to the form that self-adaptation structure passes through the hinge simultaneously, and is quick effective, reduces the influence to product quality when chuck and work piece laminating are not tight, has improved production efficiency.

Compared with the prior art, the beneficial effects of the utility model are embodied in: the welding fixture has the advantages that the using space is small, the using range on the automobile welding fixture is wide, the mechanism is small and exquisite, light and convenient to use and effective, the production quality is improved, and the production efficiency is finally improved; secondly, the novel mechanism has a linear rail positioning self-adaptive clamping function, is simple in structure and improves the installation precision; this novel mechanism uses hinge self-adaptation to embrace and presss from both sides, and the bending part location is stable, satisfies high output, high efficiency production demand to further reduction product cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of a self-adjusting positioning clamping part of the slide rail.

Fig. 3 is a schematic diagram of the structure of the adaptive hinge mechanism.

Wherein the graphic symbols represent: 1 left side hinge mechanism, 2 right side hinge mechanism, 301 air cylinder, 302 left side slide rail self-adjusting positioning clasping mechanism, 303 left side hinge self-adapting bearing mechanism, 304 right side slide rail self-adjusting positioning clasping mechanism, 305 right side hinge self-adapting bearing mechanism, 306 left side hinge pin, 307 left side pressure head, 308 left side connecting rod, 309 left side pressing limiting block, 310 adjusting gasket, 311 right side pressing limiting block, 312 right side hinge pin, 313 right side pressure head, 314 right side connecting rod, 315 left side linear slide rail, 316 left side sliding block, 317 right side linear slide rail, 318 right side sliding block, 319 fixing plate.

Detailed Description

The present invention will be further described with reference to fig. 1, 2 and 3, wherein the adaptive workpiece clamping mechanism comprises: the device comprises an air cylinder 301, a left side slide rail self-adjusting positioning clasping part 302, a left side hinge self-adapting bearing mechanism 303, a right side slide rail self-adjusting positioning clasping part 304, a right side hinge self-adapting bearing mechanism 305, a left side hinge pin 306, two left side pressure heads 307, a left side connecting rod 308, a left side pressing limiting block 309, an adjusting gasket 310, a right side pressing limiting block 311, a right side hinge pin 312, two right side pressure heads 313, a right side connecting rod 314, two left side linear slide rails 315, two left side sliding blocks 316, two right side linear slide rails 317, two right side sliding blocks 318 and a fixing.

As shown in fig. 1 and fig. 2, the two left side linear sliding rails 315 and the two right side linear sliding rails 317 are fixedly connected to a fixing plate 319 by bolts, the left side sliding block 316 is sleeved on the left side linear sliding rail 315, the right side sliding block 318 is sleeved on the right side linear sliding rail 317, the left side sliding rail self-adjusting positioning clamping portion 302 is fixedly connected to the two left side sliding blocks 316 by bolts, the right side sliding rail self-adjusting positioning clamping portion 304 is fixedly connected to the two right side sliding blocks 318 by bolts, the left side sliding rail self-adjusting positioning clamping portion 302 and the right side sliding rail self-adjusting positioning clamping portion 304 are respectively fixedly connected to cylinder shafts at two sides of the cylinder 301 by bolts, the cylinder 301 provides power, and the left side sliding rail self-adjusting positioning clamping portion 302 and the right side sliding rail self-adjusting positioning clamping portion 304 move on the linear sliding rails 315 and the right side linear sliding rails 317 in opposite directions by the left side Or vice versa.

As shown in fig. 1 and fig. 3, the left side hinge mechanism 1 includes a left side hinge adaptive bearing mechanism 303, a left side hinge pin 306, two left side pressing heads 307 and a left side connecting rod 308, the left side hinge adaptive bearing mechanism 303 and the left side sliding rail self-adjusting positioning clasping portion 302 are fixedly connected through a bolt, two sides of the left side connecting rod 308 are respectively and fixedly connected with one left side pressing head 307, the left side hinge pin 306 passes through the left side hinge adaptive bearing mechanism 303 and the left side connecting rod 308 to form the left side hinge mechanism 1 capable of adaptively moving and rotating, the left side pressing limiting block 309 and the left side sliding rail self-adjusting positioning clasping portion 302 are fixedly connected through a bolt, and an adjusting gasket 310 is installed between the left side pressing limiting block 309 and the left side sliding rail self-adjusting positioning clasping.

The right side hinge mechanism 2 comprises a right side hinge self-adaptive bearing mechanism 305, a right side hinge pin 312, two right side pressure heads 313 and a right side connecting rod 314, the right side hinge self-adaptive bearing mechanism 305 is fixedly connected with the right side sliding rail self-adjusting positioning clamping part 304 through a bolt, two right side pressure heads 313 are respectively and fixedly connected with two sides of the right side connecting rod 314, the right side hinge pin 312 penetrates through the right side hinge self-adaptive bearing mechanism 305 and the right side connecting rod 314 to form the right side hinge mechanism 2 capable of self-adaptively and movably rotating, the right side pressing limiting block 311 is fixedly connected with the right side sliding rail self-adjusting positioning clamping part 304 through a bolt, and an adjusting gasket 310 is arranged between the right side pressing limiting block 311 and the right side sliding rail self.

When the inclined plane workpiece clamping device is used in production, the air cylinder 301 provides power to drive the left side sliding rail self-adjusting positioning clamping part 302 and the right side sliding rail self-adjusting positioning clamping part 304 to slide on the linear sliding rail 315 and the right side linear sliding rail 317 through the left side sliding block 316 and the right side sliding block 318 in a relative sliding manner to drive the left side hinge mechanism 1 and the right side hinge mechanism 2 to slide in a relative direction, when the two left side pressing heads 307 and the two right side pressing heads 313 contact an inclined plane workpiece, the left side hinge mechanism 1 and the right side hinge mechanism 2 can rotate in a self-adaptive manner according to the self-adaptive principle of movable rotation of the hinges, the left side connecting rod 308 and the right side connecting rod 314 can respectively rotate in a self-adaptive manner for a certain angle around the left side hinge pin 306 and the right side hinge pin 312 according to the inclination angle of the inclined plane workpiece to clamp the inclined plane workpiece, until the left pressing limiting block 309 and the right pressing limiting block 311 are contacted and pressed together, the opposite sliding action is stopped.

When the inclined plane workpiece needs to be loosened after finishing operation, the air cylinder 301 provides power to retract the air cylinder shaft to drive the left-side slide rail self-adjusting positioning holding clamp part 302 and the right-side slide rail self-adjusting positioning holding clamp part 304 to move oppositely, so that the left-side hinge mechanism 1 and the right-side hinge mechanism 2 are driven to move oppositely, and the inclined plane workpiece is loosened.

The adjusting gasket 310 is used for adjusting the positions of the left side pressing limiting block 309 and the right side pressing limiting block 311, so that the phenomenon that the deformation is too large due to too large thrust of the pressing mechanism to a workpiece on one side is prevented, the installation precision is ensured, the lateral pressure is reduced, the positioning precision of the left side hinge mechanism 1 and the right side hinge mechanism 2 is protected, the installation quality is ensured, the installation speed is improved, and the production efficiency is improved.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. A self-adaptive workpiece clamping mechanism is characterized by comprising an air cylinder (301), a left side sliding rail self-adjusting positioning clamping part (302), a left side hinge self-adaptive bearing mechanism (303), a right side sliding rail self-adjusting positioning clamping part (304), a right side hinge self-adaptive bearing mechanism (305), a left side hinge pin (306), two left side pressure heads (307), a left side connecting rod (308), a left side pressing limiting block (309), an adjusting gasket (310), a right side pressing limiting block (311), a right side hinge pin (312), two right side pressure heads (313), a right side connecting rod (314), two left side linear sliding rails (315), two left side sliding blocks (316), two right side linear sliding rails (317), two right side sliding blocks (318) and a fixing plate (319), wherein the left side hinge self-adaptive bearing mechanism (303), the left side hinge pin (306), the two left side, The left side connecting rod (308) forms a left side hinge mechanism (1), the right side hinge self-adaptive bearing mechanism (305), the right side hinge pin (312), the two right side pressure heads (313) and the right side connecting rod (314) form a right side hinge mechanism (2), the left side hinge mechanism (1) and the right side hinge mechanism (2) can slide in the opposite direction or in the opposite direction by providing power through the air cylinder (301), and the inclined plane workpiece to be clamped is clamped in a self-adaptive rotating mode in a certain angle by applying the hinge movable rotating self-adaptive principle.

2. The adaptive workpiece clamping mechanism as claimed in claim 1, wherein the two left linear slide rails (315) and the two right linear slide rails (317) are fixedly connected to a fixing plate (319), the left slider (316) is sleeved on the left linear slide rails (315), the right slider (318) is sleeved on the right linear slide rails (317), the left self-adjusting positioning clamping portion (302) is fixedly connected to the two left slider (316), the right self-adjusting positioning clamping portion (304) is fixedly connected to the two right slider (318), and the left self-adjusting positioning clamping portion (302) and the right self-adjusting positioning clamping portion (304) are respectively fixedly connected to cylinder shafts on two sides of the cylinder (301).

3. The adaptive workpiece clamping mechanism as claimed in claim 1, wherein the left side hinge adaptive bearing mechanism (303) is fixedly connected with the left side slide rail self-adjusting positioning clamping part (302), a left side pressure head (307) is fixedly connected to each of two sides of the left side connecting rod (308), and the left side hinge pin (306) penetrates through the left side hinge adaptive bearing mechanism (303) and the left side connecting rod (308).

4. The adaptive workpiece clamping mechanism as claimed in claim 1, wherein the right-side hinge adaptive bearing mechanism (305) is fixedly connected with a right-side sliding rail self-adjusting positioning clamping portion (304), a right-side pressure head (313) is fixedly connected to each of two sides of the right-side connecting rod (314), and the right-side hinge pin (312) penetrates through the right-side hinge adaptive bearing mechanism (305) and the right-side connecting rod (314).

5. The adaptive workpiece clamping mechanism as claimed in claim 1, wherein the left pressing limiting block (309) is fixedly connected with the left rail self-adjusting positioning clamping portion (302), an adjusting gasket (310) is arranged between the left pressing limiting block (309) and the left rail self-adjusting positioning clamping portion (302), the right pressing limiting block (311) is fixedly connected with the right rail self-adjusting positioning clamping portion (304), and an adjusting gasket (310) is arranged between the right pressing limiting block (311) and the right rail self-adjusting positioning clamping portion (304).