CN219188409U

CN219188409U - Clamp for clamping vertical edge

Info

Publication number: CN219188409U
Application number: CN202320263057.5U
Authority: CN
Inventors: 孙华强
Original assignee: Yantai Taili Automobile Tooling Co ltd
Current assignee: Yantai Taili Automobile Tooling Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-06-16
Anticipated expiration: 2033-02-16

Abstract

The utility model relates to a clamp for clamping a vertical edge, and belongs to the technical field of clamps. Including swing arm, fixed arm, connecting rod and actuating cylinder, the one end of connecting rod with the output shaft of actuating cylinder articulates in first pin joint, the other end of connecting rod with the swing arm articulates in the second pin joint, the swing arm articulates in the third pin joint with the fixed arm, the one end setting of fixed arm is in on the cylinder body of actuating cylinder, the other end of fixed arm is equipped with vertical clamping face. The fixing arm of the clamp is provided with the vertical clamping surface, when a part with a vertical edge is clamped, the vertical clamping surface is close to the outer side of the vertical surface of the part, the swing arm rotates to the inner side of the vertical surface of the part at a large angle, the part is clamped inside and outside, the part is clamped and horizontally carried, and the vertical edge clamping function of the flanging part is realized.

Description

Clamp for clamping vertical edge

Technical Field

The utility model relates to a clamp for clamping a vertical edge, and belongs to the technical field of clamps.

Background

In the multi-station automatic stamping process of automobile parts, the plates and the parts are required to be clamped and fed between stations, and pneumatic clamps are required to be used. Most parts are flush or gentle in shape, and are suitable for insertion and clamping of a common clamp, but for uneven shapes, particularly the edges at the clamping side are in a flanging state, namely the edges of the parts are in an upright state, the edges of the parts cannot be inserted into the clamp to carry out flat clamping feeding by adopting a traditional clamp.

The Chinese patent application No. 202020498354.4 discloses a swing arm type multifunctional induction type pneumatic clamp, which comprises a clamp cylinder body, a slide rail groove, a telescopic cylinder, an upper clamping arm, a first moving groove, a lower clamping arm, a second moving groove, a first shaft pin, a second shaft pin, an inductor outer cover, a swing arm and an inductor; one end of the clamp cylinder body is provided with a U-shaped groove; the telescopic cylinder comprises a cylinder body and an output shaft, and the output shaft is connected with the cylinder body; at least part of the upper clamping arm is embedded into the U-shaped groove, and the upper clamping arm is positioned at one side of the output shaft; at least part of the lower clamping arm is embedded into the U-shaped groove, and the lower clamping arm is positioned at the other side of the output shaft; the first shaft pin sequentially passes through the clamp cylinder body, the upper clamp arm and the lower clamp arm, the second shaft pin passes through the output shaft, and the second shaft pin is embedded into the sliding rail groove, the first moving groove and the second moving groove; the swing arm is wound on the outer side of the second shaft pin; the inductor is installed in the inductor dustcoat, and the inductor is relative with the swing arm. Through the structure, the clamping function of the flat sample piece can be realized, the specification drawing of the application gives a structural schematic diagram of the clamp clamping flat plate, but when the edge of the part to be clamped at the clamping side is in a flanging state, the clamp cannot clamp.

Thus, a clamp is needed that clamps the riser.

Disclosure of Invention

The utility model aims to provide a clamp for clamping a standing edge, which aims to solve or solve the technical problem that the prior clamp in the prior art cannot clamp a part in a state that the edge at the clamping side is turned over.

The technical scheme provided by the utility model is as follows: the utility model provides a clamp of centre gripping standing limit, includes swing arm, fixed arm, connecting rod and actuating cylinder, the one end of connecting rod with the output shaft of actuating cylinder articulates in first pin joint, the other end of connecting rod with the swing arm articulates in the second pin joint, the swing arm articulates in the third pin joint with the fixed arm, the one end setting of fixed arm is in on the cylinder body of actuating cylinder, the other end of fixed arm is equipped with vertical clamping face.

Further, an upper clamping gasket is arranged on the swing arm.

Further, an anti-slip part is arranged on the clamping surface of the upper clamping gasket.

The further scheme has the beneficial effect of preventing the parts from sliding off in the clamping process.

Further, a vertical clamping gasket is arranged on the fixing arm, and a clamping surface of the fixing arm is positioned on the vertical clamping gasket.

Further, an anti-slip part is also arranged on the clamping surface of the fixed arm.

Furthermore, both sides of the fixed arm are respectively provided with a front guard board and a rear guard board.

Further, the driving cylinder is a cylinder, an electric cylinder or a hydraulic cylinder, and the cylinder body of the cylinder is provided with an air inlet and an air outlet.

Further, the angle of rotation of the swing arm around the third hinge point is 0-90 degrees.

Further, the swing arm rotates about the third hinge point by an angle of 65 °.

Further, the fixing arm is integrally designed with the cylinder body of the driving cylinder, or the fixing arm is fixed on the cylinder body of the driving cylinder through a bracket.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

1. the fixing arm of the clamp is provided with the vertical clamping surface, when a part with a vertical edge is clamped, the vertical clamping surface is close to the outer side of the vertical surface of the part, the swing arm rotates to the inner side of the vertical surface of the part at a large angle, the part is clamped inside and outside, the part is clamped and horizontally carried, and the vertical edge clamping function of the flanging part is realized.

2. The swing arm and the output shaft of the driving rod are connected through the connecting rod, so that the swing arm can continuously rotate without being locked under the condition that the output shaft of the driving cylinder keeps linear motion, and meanwhile, the large-angle rotation of the swing arm is realized in a limited space.

Drawings

FIG. 1 is a schematic view of a clamp of the present utility model;

FIG. 2 is a top view of the pliers of the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a schematic view of the structure of the clamp of the present utility model when opened;

FIG. 5 is a schematic view of the closing structure of the pliers of the present utility model;

in the figure, 1, a driving cylinder; 2. a front guard board; 3. a rear guard board; 4. swing arms; 5. a connecting rod; 6. a first hinge point; 7. a second hinge point; 8. a third hinge point; 9. an upper clamping gasket; 10. a fixed arm; 11. an air inlet; 12. and an exhaust port.

Detailed Description

The principles and features of the present utility model are described below in connection with examples, which are set forth only to illustrate the present utility model and not to limit the scope of the utility model.

As shown in fig. 1 to 3, a clamp for clamping a standing edge comprises a swing arm 4, a fixed arm 10, a connecting rod 5 and a driving cylinder 1, wherein one end of the connecting rod 5 and an output shaft of the driving cylinder 1 are hinged to a first hinging point 6, the other end of the connecting rod 5 and the swing arm 4 are hinged to a second hinging point 7, the swing arm 4 and the fixed arm 10 are hinged to a third hinging point 8, one end of the fixed arm 10 is arranged on a cylinder body of the driving cylinder 1, and the other end of the fixed arm 10 is provided with a vertical clamping surface.

The swing arm 4 is matched with the output shaft of the driving cylinder 1, and can convert the linear motion of the output shaft of the driving cylinder 1 into the rotary motion of the swing arm 4 around the third hinge point 8, so that the closing and opening actions of the clamp are realized. And adopt the structure that connecting rod 5 is connected between swing arm 4 and the output shaft of actuating lever, can guarantee that the output shaft of actuating cylinder 1 is under the state that keeps linear motion, swing arm 4 can last the rotation, can not be locked, has realized the wide-angle rotation of swing arm 4 in limited space simultaneously. In this embodiment, the angle by which the swing arm 4 rotates about the third hinge point 8 is 65 °.

More specifically, the cylinder body of the driving cylinder 1 also serves as a base of a clamp, the fixed arm 10 is fixed on the cylinder body of the driving cylinder 1, and in this embodiment, the fixed arm 10 is fixed on the cylinder body of the driving cylinder 1 through a bracket; of course, the fixing arm 10 may also be designed integrally with the cylinder body of the drive cylinder 1.

The swing arm 4 is provided with an upper clamping gasket 9, and the upper clamping gasket 9 is fixed at the end part of the swing arm 4 through a fastening bolt. An anti-slip part is arranged on the clamping surface of the upper clamping gasket 9.

The fixing arm 10 is provided with a vertical clamping gasket, and the clamping surface of the fixing arm 10 is positioned on the vertical clamping gasket. The clamping surface of the fixing arm 10 is also provided with an anti-slip part. The anti-slip part can increase friction force between the part and the clamp and prevent the part from sliding off the clamp.

The two sides of the fixing arm 10 are also respectively provided with a front guard plate 2 and a rear guard plate 3, the front guard plate 2 and the rear guard plate 3 are oppositely arranged, and the front guard plate 2 and the rear guard plate 3 are fixed on the cylinder body through fastening bolts.

In this embodiment, the driving cylinder 1 is a cylinder, and an air inlet 11 and an air outlet 12 are provided on the cylinder body of the cylinder. Of course, the driving cylinder 1 may be an electric cylinder or a hydraulic cylinder.

The using method of the clamp disclosed by the utility model comprises the following steps:

as shown in fig. 4 and 5, when the stamping operation is performed, after the clamping device approaches (approaches) the vertical face of the part, air enters the air cylinder through the air inlet 11, the air cylinder moves, the output shaft of the air cylinder stretches out and pushes the connecting rod 5, the connecting rod 5 drives the swing arm 4 to rotate anticlockwise around the third hinge point 8, the upper clamping gasket 9 on the swing arm 4 rotates along with the swing arm 4, passes over the vertical face of the part and enters the inner side of the vertical face of the part, the air cylinder continues to drive until the upper clamping gasket 9 and the lower clamping gasket clamp the vertical face of the part, the clamping of the part is completed, and the part is carried to the next procedure along with the integral movement of the chuck; when the part is transported to the next working procedure, the exhaust port 12 of the air cylinder is exhausted, the output shaft of the air cylinder is retracted and pulls the connecting rod 5, the connecting rod 5 drives the swing arm 4 to rotate clockwise around the hinge point, the clamp is opened, and the part is loosened.

The fixing arm 10 of the clamp is provided with the vertical clamping surface, when a part with a vertical edge is clamped, the vertical clamping surface is close to the outer side of the vertical surface of the part, the swing arm 4 rotates to the inner side of the vertical surface of the part at a large angle, the part is clamped inside and outside, the part is clamped and horizontally carried, and the vertical edge clamping function of the flanging part is realized.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a clamp of centre gripping standing limit, its characterized in that includes swing arm (4), fixed arm (10), connecting rod (5) and actuating cylinder (1), the one end of connecting rod (5) with the output shaft of actuating cylinder (1) articulates in first pin joint (6), the other end of connecting rod (5) with swing arm (4) articulates in second pin joint (7), swing arm (4) and fixed arm (10) articulate in third pin joint (8), the one end setting of fixed arm (10) is in the cylinder body of actuating cylinder (1) ^{Upper part} The other end of the fixed arm (10) is provided with a vertical clamping surface.

2. Clamp for clamping a standing edge according to claim 1, characterized in that the swing arm (4) is provided with an upper clamping washer (9).

3. Clamp for clamping edges according to claim 2, characterized in that the clamping surface of the upper clamping washer (9) is provided with anti-slip parts.

4. Clamp for clamping a standing edge according to claim 1, characterized in that the fixing arm (10) is provided with a vertical clamping washer, on which the clamping surface of the fixing arm (10) is located.

5. Clamp for gripping a standing edge according to claim 4, characterized in that the gripping surface of the fixing arm (10) is also provided with an anti-slip part.

6. Clamp for clamping standing edges according to claim 1, characterized in that the two sides of the fixing arm (10) are also provided with a front guard (2) and a rear guard (3), respectively.

7. Clamp for clamping vertical edges according to claim 1, characterized in that the driving cylinder (1) is a cylinder, an electric cylinder or a hydraulic cylinder, the cylinder body of which is provided with an air inlet (11) and an air outlet (12).

8. Clamp for gripping a riser according to claim 1, characterized in that the angle of rotation of the swing arm (4) about the third articulation point (8) is 0 ° to 90 °.

9. Clamp for gripping a riser according to claim 8, characterized in that the angle of rotation of the swing arm (4) about the third articulation point (8) is 65 °.

10. Clamp for gripping a standing edge according to claim 1, characterized in that the fixing arm (10) is designed integrally with the cylinder body of the drive cylinder (1) or that the fixing arm (10) is fixed to the cylinder body of the drive cylinder (1) by means of a bracket.