CN112847185A

CN112847185A - Automatic positioning fixture for automobile part machining

Info

Publication number: CN112847185A
Application number: CN202011621654.8A
Authority: CN
Inventors: 韩峰
Original assignee: Anhui Mingzheng Auto Parts Co ltd
Current assignee: Anhui Mingzheng Auto Parts Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-28

Abstract

The invention discloses an automatic positioning clamp for machining automobile parts, which comprises a bottom plate, wherein a first circular groove is formed in the middle of the top of the bottom plate, a rotating disc is arranged on the inner side of the first circular groove, an annular gear is fixed on the outer side of the rotating disc, a threaded groove is formed in the top of the rotating disc, a second circular groove is formed in one side of the first circular groove, and a gear matched with the second circular groove is arranged on the inner side of the second circular groove. The automobile part clamping device is provided with the first circular groove, the rotating disc, the ring gear, the thread groove, the second circular groove, the gear and the tooth grooves, the stepping motor drives the gear to rotate, so that the rotating disc is driven to rotate on the inner side of the first circular groove, the tooth grooves are matched with the thread grooves, so that sliding blocks on four sides slide and approach to each other, stable clamping of automobile parts on the top is facilitated, the parts are automatically centered in the clamping process, the machining accuracy and convenience are improved, and special centering is not needed.

Description

Automatic positioning fixture for automobile part machining

Technical Field

The invention relates to the technical field of positioning fixtures, in particular to an automatic positioning fixture for machining automobile parts.

Background

The fixture is a device used for fixing a processing object to enable the processing object to occupy a correct position in the mechanical manufacturing process so as to receive construction or detection, and is also called a fixture.

The traditional clamp can only be used for simply clamping, and can not be used for assisting and pressing the top edge after clamping is finished on the side, and the traditional clamp is poor in stability during clamping and easy to translocate and loosen during machining, so that the machining accuracy of parts is affected.

Disclosure of Invention

The invention aims to provide an automatic positioning clamp for machining automobile parts, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an automatic positioning clamp for processing automobile parts comprises a bottom plate, wherein a first circular groove is formed in the middle of the top of the bottom plate, a rotating disc is arranged on the inner side of the first circular groove, a ring gear is fixed on the outer side of the rotating disc, a thread groove is formed in the top of the rotating disc, a second circular groove is formed in one side of the first circular groove, a gear matched with the first circular groove is arranged on the inner side of the second circular groove, the gear is matched with the ring gear, a top plate is arranged right above the bottom plate, rectangular sliding grooves are formed in four sides of the top plate, sliding grooves are symmetrically formed in two sides of the inner portion of the rectangular sliding grooves, a stepping motor is mounted at the top of the top plate, a through hole is formed in the top of the top plate, the output end of the stepping motor extends to the inner side of the second circular groove through the through hole, and the output, rectangle spout inboard all is provided with the sliding block rather than being fit for, and the both sides of sliding block have all seted up spacing draw runner, spacing draw runner all cooperatees with the slip recess that corresponds, the bottom of sliding block all evenly is provided with the tooth's socket, and the tooth's socket all cooperatees with the thread groove, the one end that the sliding block top is close to all installs and presss from both sides tight piece, and presss from both sides the top of tight piece and all installs articulated seat, articulated seat inboard connects to articulate has articulated horizontal pole, and the one end of articulated horizontal pole bottom all articulates has the pneumatic cylinder, the bottom of pneumatic cylinder all articulates on the sliding block, compact heap is all installed to the other end of articulated horizontal.

Preferably, threaded holes are formed in four corners of the top of the bottom plate and the top plate, and the threaded holes are fixedly installed through locking bolts.

Preferably, the inner bottom of the second circular groove is provided with a limiting hole, and the limiting hole is matched with a rotating shaft at the output end of the stepping motor.

Preferably, the outer side of the stepping motor is provided with a point adding bin, and the inner side wall of the motor bin is provided with silencing cotton.

Preferably, the clamping blocks and the pressing blocks are uniformly provided with anti-skid rubber layers on the sides close to each other. .

Compared with the prior art, the invention has the beneficial effects that: the automatic positioning fixture for automobile part machining is provided with a first circular groove, a rotating disk, a ring gear, a thread groove, a second circular groove, a gear and a tooth groove, wherein a stepping motor drives the gear to rotate, so that the rotating disk is driven to rotate on the inner side of the first circular groove, and the tooth groove is matched with the thread groove, so that sliding blocks on four sides slide and are close to each other, thereby facilitating stable clamping of automobile parts at the top, improving the accuracy and convenience of machining by automatically centering the parts in the clamping process, avoiding special centering treatment, driving forward and reverse rotation through the stepping motor, realizing automatic centering clamping or loosening and discharging, avoiding manual operation, improving the efficiency and speed of clamping treatment, avoiding manual operation and causing errors or errors, and the automatic positioning fixture for automobile part machining is provided with the sliding blocks, Spacing draw runner, clamp tight piece, articulated seat, articulated horizontal pole, pneumatic cylinder and compact heap are that the device stabilizes in the automobile parts outside and presss from both sides tight back, and rethread pneumatic cylinder promotes the compact heap and pushes down, compresses tightly its assistance, has further improved the stability after the automobile parts locking to the accuracy nature of processing has been improved.

Drawings

FIG. 1 is a schematic front cross-sectional view of the present invention;

fig. 2 is a schematic front view of the present invention.

In the figure: 1. a base plate; 2. a first circular groove; 3. rotating the disc; 4. a ring gear; 5. a thread groove; 6. a second circular groove; 7. a gear; 8. a top plate; 9. a rectangular chute; 10. a sliding groove; 11. a stepping motor; 12. a through hole; 13. a slider; 14. a limiting slide bar; 15. a tooth socket; 16. a clamping block; 17. a hinged seat; 18. a hinged cross bar; 19. a pneumatic cylinder; 20. and (5) a compression block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention is shown: an automatic positioning clamp for processing automobile parts comprises a bottom plate 1, a first circular groove 2 is formed in the middle of the top of the bottom plate 1, a rotating disc 3 is arranged on the inner side of the first circular groove 2, a ring gear 4 is fixed on the outer side of the rotating disc 3, a thread groove 5 is formed in the top of the rotating disc 3, a second circular groove 6 is formed in one side of the first circular groove 2, a gear 7 matched with the second circular groove 6 is arranged on the inner side of the second circular groove 6, the gear 7 is matched with the ring gear 4, automatic drawing, clamping and centering are achieved through transmission, processing accuracy is improved, a top plate 8 is arranged right above the bottom plate 1, rectangular sliding grooves 9 are formed in four sides of the top plate 8, sliding grooves 10 are symmetrically formed in two sides of the inside of the rectangular sliding grooves 9, a stepping motor 11 is installed on the top of the top plate 8, and a through hole 12 is formed in, the output end of the stepping motor 11 extends to the inner side of the second circular groove 6 through the through hole 12, the output end of the stepping motor 11 is fixed with the gear 7, the inner sides of the rectangular sliding grooves 9 are provided with sliding blocks 13 matched with the sliding grooves, the two sides of each sliding block 13 are provided with limiting sliding strips 14, the limiting sliding strips 14 are matched with the corresponding sliding grooves 10, the bottoms of the sliding blocks 13 are uniformly provided with tooth grooves 15, the tooth grooves 15 are matched with the thread grooves 5, the ends, close to the tops of the sliding blocks 13, of the sliding blocks 13 are provided with clamping blocks 16, the tops of the clamping blocks 16 are provided with hinging seats 17, the inner sides of the hinging seats 17 are hinged with hinging transverse rods 18, one ends of the bottoms of the hinging transverse rods 18 are hinged with pneumatic cylinders 19, the bottom ends of the pneumatic cylinders 19 are hinged on the sliding blocks 13, the other ends of the bottoms of the hinging transverse rods 18 are provided, to assist in compaction.

In this implementation: threaded holes are formed in four corners of the top of the bottom plate 1 and the top plate 8, fixed mounting is carried out through locking bolts in threaded holes, stability after fixed mounting is improved, looseness or deflection is avoided to occur, limiting holes are formed in the inner bottom of the second circular groove 6, the limiting holes are suitable for rotating shafts of the output end of the stepping motor 11, stability of the rotating process is improved, running of rotary transmission is facilitated, a point adding bin is installed on the outer side of the stepping motor 11, the inner side wall of the motor bin is provided with silencing cotton, the motor is protected, noise pollution generated in the operation process is reduced, one side, close to the clamping block 16 and the pressing block 20, of the clamping block is evenly provided with an anti-slip rubber layer, stability in the clamping process is further improved, looseness or translocation in the machining process is avoided, and accuracy of part machining is affected.

The working principle is as follows: the power supply is switched on (the device uses electric parts which are all powered by an external power supply), the automobile parts to be processed are placed at the middle position of the top plate 8, the stepping motor 11 is started through the remote control panel to drive the gear 7 to rotate, since the gear 7 is engaged with the ring gear 4, thereby rotating the rotary plate 3 inside the first circular groove 2, and the tooth grooves 15 are engaged with the thread grooves 5, so that the sliding blocks 13 on the four sides slide and approach each other, at the moment, the limiting sliding strips 14 slide on the inner sides of the sliding grooves 10 in a transverse moving manner until the outer side walls of the automobile parts are stably clamped by the groups of clamping blocks 16, the groups of pneumatic cylinders 19 are controlled by the remote control panel to extend, the pressing blocks 20 are pushed to press downwards, for stable compression of the top edge of the component parts, which is not described in detail in this description, is well within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automobile parts processing is with automatic positioning fixture, includes bottom plate (1), its characterized in that: the middle position of the top of the bottom plate (1) is provided with a first circular groove (2), the inner side of the first circular groove (2) is provided with a rotating disc (3), the outer side of the rotating disc (3) is fixed with a ring gear (4), the top of the rotating disc (3) is provided with a thread groove (5), one side of the first circular groove (2) is provided with a second circular groove (6), the inner side of the second circular groove (6) is provided with a gear (7) suitable for the second circular groove, the gear (7) is matched with the ring gear (4), a top plate (8) is arranged right above the bottom plate (1), four sides of the top plate (8) are provided with rectangular sliding grooves (9), two sides of the inner part of the rectangular sliding grooves (9) are symmetrically provided with sliding grooves (10), the top of the top plate (8) is provided with a stepping motor (11), the top of the top plate (8) is provided with a through hole, and the output end of the stepping motor (11) extends to the inner side of the second circular groove (6) through the through hole (12), the output end of the stepping motor (11) is fixed with the gear (7), the inner sides of the rectangular sliding grooves (9) are all provided with sliding blocks (13) suitable for the rectangular sliding grooves, the two sides of the sliding blocks (13) are all provided with limiting sliding strips (14), the limiting sliding strips (14) are all matched with corresponding sliding grooves (10), the bottoms of the sliding blocks (13) are all uniformly provided with tooth grooves (15), the tooth grooves (15) are all matched with thread grooves (5), one end of the top of each sliding block (13) close to the sliding block is all provided with a clamping block (16), the top of each clamping block (16) is all provided with a hinged seat (17), the inner side of each hinged seat (17) is hinged with a hinged cross rod (18), and one end of the bottom of each hinged cross rod (18) is hinged with a pneumatic cylinder, the bottom of pneumatic cylinder (19) all articulates on sliding block (13), compact heap (20) are all installed to the other end of articulated horizontal pole (18) bottom.

2. The automatic positioning fixture for machining the automobile parts as claimed in claim 1, wherein: threaded holes are formed in four corners of the top of the bottom plate (1) and the top of the top plate (8), and the threaded holes are fixedly installed through locking bolts.

3. The automatic positioning fixture for machining the automobile parts as claimed in claim 1, wherein: and a limiting hole is formed in the inner bottom of the second circular groove (6), and the limiting hole is matched with a rotating shaft at the output end of the stepping motor (11).

4. The automatic positioning fixture for machining the automobile parts as claimed in claim 1, wherein: the outside installation of step motor (11) is with some storehouse, and the inside wall in motor storehouse is provided with the amortization cotton.

5. The automatic positioning fixture for machining the automobile parts as claimed in claim 1, wherein: and anti-skid rubber layers are uniformly arranged on the sides, close to the clamping blocks (16) and the pressing blocks (20).