CN210360385U

CN210360385U - Clamping mechanism for cylindrical workpiece

Info

Publication number: CN210360385U
Application number: CN201921197406.8U
Authority: CN
Inventors: 聂越; 向剑; 刘兴隆
Original assignee: Tonglin Casting Industrial Co ltd
Current assignee: Tonglin Casting Industrial Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-21
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses production anchor clamps technical field discloses a fixture of cylinder work piece, including bottom plate, clamp plate, application of force component and brace table, it is provided with the clamping part that is used for the centre gripping work piece to slide on the clamp plate, the clamping part passes through spring and first supporting a piece elastic connection, be provided with the supporting shoe on the bottom plate, the application of force component includes linking arm, sliding seat, second and supports piece, connecting rod, compression spring and third and support the piece, the linking arm both ends are articulated with clamp plate, sliding seat respectively, the sliding seat slides along the brace table, the connecting rod both ends support the piece with sliding seat, third respectively and are connected, the second supports to be connected with between piece and the third compression spring. The utility model discloses a force application component pulling clamp plate downstream passes through the clamping part with the work piece centre gripping, convenient operation, and sliding structure's clamping part can the not unidimensional work piece of centre gripping, and the suitability is stronger.

Description

Clamping mechanism for cylindrical workpiece

Technical Field

The utility model belongs to the technical field of the production anchor clamps, especially, relate to a fixture of cylinder work piece.

Background

Many cylindric materials need cut it when processing to cut out the size that needs, nevertheless need cooperate practical clamping device to fix when the cutting, present clamping device structure is complicated, and is with high costs.

Therefore, how to solve the above problems becomes a focus of research by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

A first object of the present invention is to provide a clamping mechanism for a cylindrical workpiece, which is not enough in the prior art.

The embodiment of the utility model is realized like this:

a clamping mechanism for a cylindrical workpiece comprises a bottom plate fixed on a working table surface, a pressing plate hinged with the bottom plate, a force application component hinged with the pressing plate and a supporting table used for supporting the force application component, wherein a clamping part used for clamping the workpiece is arranged on the pressing plate in a sliding manner, first abutting blocks fixed on the pressing plate are arranged on two sides of the clamping part, the clamping part is elastically connected with the first abutting blocks, a supporting block used for positioning the workpiece is arranged on the bottom plate, the force application component comprises a connecting arm, a sliding seat, a second abutting block, a connecting rod, a compression spring and a third abutting block, the first end of the connecting arm is hinged with the pressing plate, the second end of the connecting arm is hinged with the sliding seat, the sliding seat is matched with the supporting table and can slide along the supporting table, the first end of the connecting rod is fixedly connected with the sliding seat, and the second end of the connecting rod penetrates through the second abutting block to be connected with, the compression spring is connected between the second abutting block and the third abutting block.

Furthermore, a buffer spring is arranged at one end, close to the hinged part, between the bottom plate and the pressure plate.

Furthermore, the supporting block is a square block, and the square block is provided with an inclined plane and an abutting surface.

Furthermore, a sucker for sucking the workpiece is arranged on the bottom plate.

Furthermore, the opening of the clamping part is opened towards two sides to form a conical shape.

Furthermore, a flexible pad is attached to the clamping part.

Further, the surface of the flexible pad is provided with anti-skid protrusions.

The utility model has the advantages that:

the utility model discloses simple structure, reasonable in design, application of force component pulling clamp plate down move through the clamping part with the work piece centre gripping, convenient operation, and sliding structure's clamping part can the not unidimensional work piece of centre gripping, and the suitability is stronger.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the support table;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is a schematic view of the structure of the sliding seat;

FIG. 5 is a front view of the support block;

FIG. 6 is a top view of the support block;

fig. 7 is a schematic structural view of another embodiment of the present invention;

fig. 8 is a side view of the crank link structure of fig. 7.

Icon: 1-a bottom plate, 2-a pressing plate, 3-a supporting table, 4-a first connecting seat, 5-a clamping part, 6-a first abutting block, 7-a spring, 8-a supporting block, 9-an inclined plane, 10-an abutting surface, 11-a connecting arm, 12-a sliding seat, 13-a second abutting block, 14-a connecting rod, 15-a compression spring, 16-a third abutting block, 17-a second connecting seat, 18-a workpiece, 19-a crank link mechanism, 1901-a motor, 1902-a cam, 20-a buffer spring, 21-an expansion bracket and 22-a sucker.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Example one

Referring to fig. 1 to 6, the present embodiment provides a clamping mechanism for a cylindrical workpiece, including a bottom plate 1, a pressing plate 2, a force application member and a supporting table 3, wherein a mounting hole is formed on the bottom plate 1, the bottom plate 1 is fixed on a working table by a screw, a first connecting seat 4 is integrally formed at a first end of the bottom plate 1, a groove is formed on the first connecting seat 4, a first end of the pressing plate 2 is installed in the first connecting seat 4 and rotatably connected with the bottom plate 1 by a pivot, a buffer spring 20 is welded at an end of the pressing plate 2 hinged to the bottom plate 1, so as to play a role of buffering when the workpiece is loosened, a sliding groove is formed on a lower surface of the pressing plate 2, a clamping portion 5 is fittingly installed in the sliding groove, the clamping portion 5 is two clamping plates oppositely arranged in the sliding groove, first abutting blocks 6 are arranged at two sides of the clamping portion 5, the first abutting block 6 is fixedly welded with the clamping plate on the adjacent side through a spring 7, the second end of the pressing plate 2 is welded with a second connecting seat 17, a groove is processed on the second connecting seat 17, a supporting block 8 is welded on the bottom plate 1, the supporting block 8 is positioned below the clamping part and is in the 8-position direction, an inclined surface 9 and an abutting surface 10 are processed on the supporting block 8, a workpiece is limited through the inclined surface 9 and the abutting surface 10, the force application component comprises a connecting arm 11, a sliding seat 12, a second abutting block 13, a connecting rod 14, a compression spring 15 and a third abutting block 16, the first end of the connecting arm 11 is installed in the groove of the second connecting seat 17 and is rotatably connected with the pressing plate 2 through a pivot, a third connecting seat is integrally formed on the sliding seat 12, a groove is processed on the third connecting seat, the second end of the connecting arm 11 is installed in the groove of the third connecting seat and is rotatably connected with the sliding seat 12, the sliding block is integrally formed at the bottom of the sliding seat 12, the sliding block is slidably mounted in a sliding groove formed in the upper surface of the supporting table 3, a second supporting block 13 is welded at one end, away from the pressing plate 2, of the supporting table 3, a through hole is formed in the second supporting block 13, the first end of the connecting rod 14 is fixedly connected with the sliding seat 12, a gap between the second end of the connecting rod 14 penetrates through the through hole in the sliding seat 12 and is fixedly connected with a third supporting block 16, a compressed compression spring 15 is fixedly connected between the second supporting block 13 and the third supporting block 16, and the compression spring 15 is sleeved on the connecting rod 14.

The utility model discloses a theory of operation: the workpiece 18 is placed on the bottom plate, the workpiece 18 is limited and abutted through the supporting block 8, the compression spring 15 is loosened, the compression spring 15 pushes the third abutting block 16 backwards, the third abutting block 16 drives the connecting rod 14 to move backwards together, then the sliding seat 12 fixedly connected with the connecting rod 14 moves backwards, the sliding seat 12 can pull down the pressing plate 2 through the connecting arm 11 in the backward moving process, then the clamping part 5 can gradually wrap the workpiece 18, the downward movement of the pressing plate 2 is larger, the opening supported by the clamping part 5 is larger, the larger the reaction force of the spring 7 on the workpiece 18 is, the clamping is tighter until the workpiece 18 is abutted with the pressing plate 2, the workpiece can be clamped, and after the workpiece is processed, external force is used, such as manual pushing or mechanical assisting is used for pushing the connecting rod 14 backwards, and the workpiece is loosened by the clamping part 5.

Example two

As shown in fig. 1 to fig. 6, the present embodiment provides a clamping mechanism for a cylindrical workpiece, which has all the technical features of the first embodiment, and the difference points are that: in order to avoid the workpiece from slipping and rolling in the clamping process, a flexible pad is covered on the clamping part, an anti-slip bulge is integrally formed on the flexible pad, an expansion bracket 21 is vertically welded on the bottom plate 1, a sucking disc 22 is installed on the expansion bracket 21, and the sucking disc 22 is adsorbed on the workpiece after the workpiece is abutted against the supporting block 8.

EXAMPLE III

As shown in fig. 7 to 8, the difference between any of the remaining embodiments of the clamping mechanism for a cylindrical workpiece is as follows: the force application component comprises a connecting arm 11, a sliding seat 12, a connecting rod 14 and a crank connecting mechanism 19, the drive connecting mechanism 19 comprises a motor 1901 and a cam 1902, an output shaft of the motor 1901 is fixedly connected with a near end of the cam 1902 through a key and a key slot, a far end of the cam 1902 is pivotally connected with a second end of the connecting rod 14, a first end of the connecting rod 14 is fixedly connected with the sliding seat 12, a second end of the connecting arm 11 is pivotally connected with the sliding seat 12, and a first end of the connecting arm 11 is pivotally connected with a pressing plate. The reciprocating motion of the sliding seat 12 is realized by the crank connecting mechanism 19 in the embodiment, so as to clamp and release the workpiece 18.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a fixture of cylinder work piece which characterized in that: the clamping device comprises a bottom plate (1) fixed on a working table surface, a pressing plate (2) hinged with the bottom plate (1), a force application component hinged with the pressing plate (2) and a supporting table (3) used for supporting the force application component, wherein a clamping part (5) used for clamping a workpiece is arranged on the pressing plate (2) in a sliding manner, first supporting blocks (6) fixed on the pressing plate (2) are arranged on two sides of the clamping part (5), the clamping part (5) is elastically connected with the first supporting blocks (6), a supporting block (8) used for positioning the workpiece is arranged on the bottom plate (1), the force application component comprises a connecting arm (11), a sliding seat (12), a second supporting block (13), a connecting rod (14), a compression spring (15) and a third supporting block (16), the first end of the connecting arm (11) is hinged with the pressing plate (2), and the second end of the connecting arm (11) is hinged with the sliding seat (12), the sliding seat (12) is matched with the supporting table (3) and can slide along the supporting table (3), the first end of the connecting rod (14) is fixedly connected with the sliding seat (12), the second end of the connecting rod (14) penetrates through the second abutting block (13) to be connected with the third abutting block (16), and the compression spring (15) is connected between the second abutting block (13) and the third abutting block (16).

2. The cylindrical workpiece clamping mechanism of claim 1, wherein: and a buffer spring (7) is arranged at one end, close to the hinged part, between the bottom plate (1) and the pressing plate (2).

3. The cylindrical workpiece clamping mechanism of claim 1, wherein: the supporting block (8) is a square block, and an inclined surface (9) and a leaning surface (10) are arranged on the square block.

4. The cylindrical workpiece clamping mechanism of claim 1, wherein: and a sucking disc (22) for sucking a workpiece is arranged on the bottom plate (1).

5. The cylindrical workpiece clamping mechanism of claim 1, wherein: the opening of the clamping part (5) is opened towards two sides to form a conical shape.

6. The cylindrical workpiece clamping mechanism of claim 1, wherein: the clamping part (5) is pasted with a flexible pad.

7. The cylindrical workpiece clamping mechanism of claim 6, wherein: the surface of the flexible pad is provided with anti-skid bulges.