CN218904119U

CN218904119U - Closed light double-chuck self-locking device

Info

Publication number: CN218904119U
Application number: CN202222879783.8U
Authority: CN
Inventors: 陈新华; 潘圣梁; 徐国生
Original assignee: Shanghai Demeike Automobile Equipment Manufacturing Co ltd
Current assignee: Shanghai Demeike Automobile Equipment Manufacturing Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-25
Anticipated expiration: 2032-10-31

Abstract

The utility model relates to a closed light double-chuck self-locking device which comprises a support, a first vertical plate, a second vertical plate, a clamping part and a driving part, wherein the support is provided with a first vertical plate and a second vertical plate; the support is provided with a first vertical plate and a second vertical plate, a groove is formed in the first vertical plate, a clamping part for clamping the component is arranged in the groove, and the first vertical plate is connected with the second vertical plate in a sealing way; the clamping part is connected with the driving part through the air cylinder connector, and the driving part is arranged on the lower surface of the first vertical plate. Compared with the prior art, the utility model has the advantages of cost saving, space reduction design, stable performance and the like.

Description

Closed light double-chuck self-locking device

Technical Field

The utility model relates to a control device, in particular to a closed type light double-chuck self-locking device.

Background

Along with the increasingly strong competition and higher automation degree of the automobile industry, one platform and multiple automobile types are widely used in a host factory, and flexible production, cost saving and space saving are unprecedented; mechanical self-locking mechanisms have been studied and applied for many years in the field of mechanical design, and have various mature structural forms, and self-locking clamping product types based on the mechanism principles are also available on the market, so that a large number of air cylinders, in particular to the clamping units, are likely to be used for one tool to be switched. Through searching Chinese patent CN204135602U, the patent discloses a closed self-locking clamping mechanism, which comprises a cylinder, wherein the upper end surface of the cylinder is provided with a bottom plate with a central hole, and the piston rod of the cylinder corresponds to the central hole; the mounting box is mounted on the bottom plate, and one side of the middle part is provided with a mounting through hole; one end of the connecting rod is connected with the end part of the piston rod of the cylinder; the upper part of the air cylinder elbow joint is provided with a groove, and two side walls of the groove are provided with through holes; the bottom of the air cylinder elbow joint is connected with the other end of the connecting rod; the two ends of the movable swing rod are provided with connecting through holes, one end of the movable swing rod is inserted into a groove at the upper part of the air cylinder elbow joint, and the movable swing rod is movably connected with the air cylinder elbow joint through a first rotating shaft; the driving joint comprises a pipe body and a pair of lugs with holes outside the pipe body; the other end of the movable swing rod is inserted into the two lugs and is movably connected with the lugs through a second rotating shaft; the driving rod is inserted into the pipe body of the driving joint, two ends of the driving rod extend out of the mounting through holes of the mounting box, the cylinder piston rod and the connecting rod drive the cylinder elbow joint to lift, the driving rod drives the joint to rotate through the movable swing rod, and the driving joint drives the driving rod in the driving rod to rotate. In the patent, one pressing arm needs to be driven by one air cylinder, and the butt clamp needs to be completed by two air cylinders, so that the occupied space is large, and the manufacturing and processing costs are low; in order to reduce the cost and improve the self competitiveness, the use of outsourcing parts needs to be reduced, and the cost is saved. The utility model relates to a double-chuck mechanism which is designed to save cost and reduce space.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the closed type light double-chuck self-locking device.

The aim of the utility model can be achieved by the following technical scheme:

a kind of closed light double-chuck self-locking device, is used for solving the problem that the welding fixture needs to use a large number of cylinders, including support, first riser, second riser, clamping part and driving part;

the support is provided with a first vertical plate and a second vertical plate, a groove is formed in the first vertical plate, a clamping part for clamping the component is arranged in the groove, and the first vertical plate is connected with the second vertical plate in a sealing way;

the clamping part is connected with the driving part through the air cylinder connector, and the driving part is arranged on the lower surface of the first vertical plate.

Further, the clamping part comprises a first pressing arm and a second pressing arm which are respectively connected to the driving part, the first pressing arm and the second pressing arm are oppositely arranged, and the first pressing arm is connected with the first rotary vertical plate through a first curved rod vertical plate; the second pressing arm is connected with the second rotary vertical plate through the second curved rod vertical plate.

Further, a first fixed fulcrum, a second fixed fulcrum and a third fixed fulcrum are arranged in the first vertical plate, and the three fixed fulcra are distributed in a triangular shape.

Further, the first fixed fulcrum is connected with the first pressing arm and the second pressing arm; the second fixed fulcrum is connected with the first rotary vertical plate; the third fixed fulcrum is connected with the second rotary vertical plate.

Further, the cylinder connector is connected with the first rotary vertical plate and the second rotary vertical plate.

Further, the first pressing arm and the second pressing arm are provided with a rotation guide.

Further, the first rotary vertical plate and the second rotary vertical plate are provided with clamping limiting blocks.

Further, the driving part is a cylinder.

Further, the cylinder is fixed on the lower surface of the first vertical plate through screws.

Further, lubricating oil is filled between the first vertical plate and the second vertical plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the support 1, the first vertical plate 2, the second vertical plate 3, the clamping part and the driving part are arranged, the first vertical plate 2 is internally provided with the groove, the clamping part is placed in the groove, then the first vertical plate 2 and the second vertical plate 3 are connected in a sealing way, the clamping part is connected with the driving part through the air cylinder connector 15, and the driving part is arranged on the lower surface of the first vertical plate 2, so that the whole device is simple and compact, and the occupied space is small, and the processing cost is reduced.

2. According to the utility model, the first pressing arm 4 and the second pressing arm 5 are arranged at the clamping part, the two pressing arms are driven to act through the two bent rod vertical plates by arranging the fixed supporting points and the two rotating vertical plates, and the two pressing arms can be driven by one cylinder of the connecting rod mechanism, so that the effect of self-locking of the light double chucks is realized, and the clamping limiting block 14 is used for clamping fibers in the mechanism tightening process, so that the positioning precision is ensured.

3. The utility model can reduce the abrasion and inaccurate sensing problems of the cylinder and the cylinder sensor in the actual use process of the clamp because only one cylinder is used, and greatly improves the stability of the clamp.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic side view of the present utility model.

Fig. 3 is a schematic view of the working state of the present utility model.

Fig. 4 is a schematic view of the clamping and self-locking state of the utility model.

The reference numerals in the figures indicate:

the support 1, the first vertical plate 2, the second vertical plate 3, the first pressing arm 4, the second pressing arm 5, the first curved bar vertical plate 6, the first rotary vertical plate 7, the second curved bar vertical plate 8, the second rotary vertical plate 9, the first fixed supporting point 10, the second fixed supporting point 11, the third fixed supporting point 12, the rotary guide 13, the clamping limiting block 14, the cylinder connector 15 and the cylinder 16.

Detailed Description

The utility model will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present utility model, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present utility model is not limited to the following examples.

As shown in fig. 1-3, a closed light double-chuck self-locking device comprises a support 1, a first vertical plate 2, a second vertical plate 3, a clamping part and a driving part, wherein the support 1 is provided with the first vertical plate 2 and the second vertical plate 3, a groove is formed in the first vertical plate 2, the clamping part for clamping a part is arranged in the groove, the first vertical plate 2 and the second vertical plate 3 are in sealing connection, the clamping part is connected with the driving part through a cylinder connector 15, and the driving part is arranged on the lower surface of the first vertical plate 2.

The clamping part comprises a first pressing arm 4 and a second pressing arm 5 which are respectively connected to the driving part, the first pressing arm 4 and the second pressing arm 5 are oppositely arranged, and the first pressing arm 4 is connected with a first rotary vertical plate 7 through a first curved rod vertical plate 6; the second pressing arm 5 is connected with the second rotating vertical plate 9 through the second curved bar vertical plate 8, a first fixed supporting point 10, a second fixed supporting point 11 and a third fixed supporting point 12 are arranged in the first vertical plate 2, and the three fixed supporting points are distributed in a triangular shape. The first fixed fulcrum 10 is connected with the first pressing arm 4 and the second pressing arm 5; the second fixed fulcrum 11 is connected with the first rotary vertical plate 7; the third fixed fulcrum 12 is connected to the second rotating riser 9.

The driving part is an air cylinder 16, the air cylinder 16 is fixed on the lower surface of the first vertical plate 2 through screws, the air cylinder connector 15 is connected with the first rotary vertical plate 7 and the second rotary vertical plate 9, the first pressing arm 4 and the second pressing arm 5 are provided with rotary guide 13, the first rotary vertical plate 7 and the second rotary vertical plate 9 are provided with clamping limiting blocks 14, and lubricating oil is filled between the first vertical plate 2 and the second vertical plate 3.

As shown in fig. 4, the first rotating vertical plate 7 and the second rotating vertical plate 9 are pulled to move through the air cylinder 16, the first rotating vertical plate 7 drives the first pressing arm 4 to move through the first curved bar vertical plate 6, the second rotating vertical plate 9 drives the second pressing arm 5 to move through the second curved bar vertical plate 8, so that the opening and clamping of the first pressing arm 4 and the second pressing arm 5 are realized, and three fulcrums form a line during clamping, so that self-locking is realized.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims

1. The closed type light double-chuck self-locking device is characterized by comprising a support (1), a first vertical plate (2), a second vertical plate (3), a clamping part and a driving part;

the support (1) is provided with a first vertical plate (2) and a second vertical plate (3), a groove is formed in the first vertical plate (2), a clamping part for clamping a part is arranged in the groove, and the first vertical plate (2) is connected with the second vertical plate (3) in a sealing way;

the clamping part is connected with the driving part through an air cylinder connector (15), and the driving part is arranged on the lower surface of the first vertical plate (2).

2. The closed type light-weight double-chuck self-locking device according to claim 1, wherein the clamping part comprises a first pressing arm (4) and a second pressing arm (5) which are respectively connected to the driving part, the first pressing arm (4) and the second pressing arm (5) are oppositely arranged, and the first pressing arm (4) is connected with a first rotary vertical plate (7) through a first curved rod vertical plate (6); the second pressing arm (5) is connected with a second rotating vertical plate (9) through a second curved rod vertical plate (8).

3. The closed type light double-chuck self-locking device according to claim 1, wherein a first fixed supporting point (10), a second fixed supporting point (11) and a third fixed supporting point (12) are arranged in the first vertical plate (2), and the three fixed supporting points are distributed in a triangular shape.

4. A closed type light double-chuck self-locking device according to claim 3, wherein the first fixed fulcrum (10) is connected with the first pressing arm (4) and the second pressing arm (5); the second fixed fulcrum (11) is connected with the first rotary vertical plate (7); the third fixed fulcrum (12) is connected with the second rotary vertical plate (9).

5. The closed type light double-chuck self-locking device according to claim 1, wherein the cylinder connector (15) is connected with the first rotary vertical plate (7) and the second rotary vertical plate (9).

6. The closed type light double-chuck self-locking device according to claim 2, wherein the first pressing arm (4) and the second pressing arm (5) are provided with rotary guides (13).

7. The closed type light double-chuck self-locking device according to claim 2, wherein the first rotary vertical plate (7) and the second rotary vertical plate (9) are provided with clamping limiting blocks (14).

8. The closed type light-weight double-chuck self-locking device according to claim 1, wherein the driving part is an air cylinder (16).

9. The closed type light double-chuck self-locking device according to claim 8, wherein the air cylinder (16) is fixed on the lower surface of the first vertical plate (2) through screws.

10. The closed type light double-chuck self-locking device according to claim 1, wherein lubricating oil is filled between the first vertical plate (2) and the second vertical plate (3).