CN109968238B

CN109968238B - Buffer structure of precision clamp

Info

Publication number: CN109968238B
Application number: CN201910213789.1A
Authority: CN
Inventors: 蔡锡海; 潘学东
Original assignee: Suzhou Zhong Jia Precision Machinery Co ltd
Current assignee: Suzhou Zhong Jia Precision Machinery Co ltd
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2021-06-01
Anticipated expiration: 2039-03-20
Also published as: CN109968238A

Abstract

The invention discloses a buffer structure of a precision clamp, relates to the technical field of mechanical equipment, and mainly aims to solve the problems that the existing clamp is used for buffering and damping simply through a spring and a telescopic rod, and the buffer amount and the pre-clamping force cannot be adjusted; the buffer device comprises a connecting plate, a mounting plate and a pressing plate, wherein the connecting plate, the mounting plate and the pressing plate are sequentially arranged at intervals, a first buffer mechanism is arranged between the connecting plate and the mounting plate, a second buffer mechanism is arranged between the mounting plate and the pressing plate, the first buffer mechanism comprises a first sleeve, a supporting rod, an adjusting sleeve and a first spring, and the second buffer mechanism comprises a second spring, a connecting rod and a clamping plate; the second buffer mechanism is arranged, the workpiece is further clamped when the buffer shock absorption is carried out, the stability of the workpiece is maintained, the clamping is more reliable, the buffer shock absorption performance of the device is further improved, and the clamp can be physically protected.

Description

Buffer structure of precision clamp

Technical Field

The invention relates to the technical field of mechanical equipment, in particular to a buffer structure of a precision clamp.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.

Cushioning literally means to slow down the impact force. The interpretation in modern Chinese dictionaries is to mitigate conflicts. In addition to true impact forces, cushioning has abstract meaning. Buffering can be used whenever something is slowed down or attenuated, for example, a substance that causes less violent reaction is called a buffer.

The existing clamp is used for buffering and damping simply through the spring and the telescopic rod, and under different working requirements, the purposes of adjusting the buffering amount and pre-clamping force cannot be achieved, so that the function is single, and the adaptability is not strong.

Disclosure of Invention

The invention aims to provide a buffer structure of a precision clamp to solve the problems.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a buffer structure of precision clamp, includes connecting plate, mounting panel and clamp plate, and connecting plate, mounting panel and clamp plate interval in proper order sets up, be equipped with first buffer gear between connecting plate and the mounting panel, be equipped with second buffer gear between mounting panel and the clamp plate, first buffer gear includes first sleeve, bracing piece, adjusting sleeve and first spring, on first sleeve was fixed in the connecting plate lateral wall, wear to be equipped with the bracing piece in the first sleeve, the bracing piece other end and mounting panel fixed connection, the cover is equipped with adjusting sleeve on the first sleeve outer wall, adjusting sleeve and first sleeve threaded connection, first sleeve and bracing piece outside are located to first spring housing, and first spring both ends are contradicted with adjusting sleeve and mounting panel respectively.

On the basis of the technical scheme, the invention also provides the following optional technical scheme:

in one alternative: the first sleeve and the connecting plate are fixed in a welding mode.

In one alternative: the support rod and the mounting plate are fixed by welding.

In one alternative: the second buffer mechanism comprises a second spring, connecting rods and clamping plates, wherein a plurality of second springs are arranged between the mounting plate and the pressing plate, two ends of each second spring are fixedly connected with the mounting plate and the pressing plate respectively, the connecting rods are hinged to the side wall, close to the pressing plate, of the mounting plate in two parts and symmetrically hinged to the side wall, the two connecting rods are inclined towards the middle of the pressing plate, the other ends of the two connecting rods are hinged to sliding blocks, the sliding blocks are connected with the pressing plate in a sliding mode, sliding chutes for the sliding blocks are formed in the pressing plate, and the.

In one alternative: the outside cover of splint is equipped with the rubber sleeve.

In one alternative: the clamp plate is kept away from on the lateral wall of mounting panel the integral type evenly be equipped with a plurality of anti-skidding archs.

In one alternative: the clamping plate is internally provided with a powerful magnet, and the clamping plate is provided with a mounting groove for mounting the powerful magnet.

Compared with the prior art, the invention has the following beneficial effects:

1. the damping device is provided with a first buffering mechanism, wherein the first buffering mechanism comprises a first sleeve, a supporting rod, an adjusting sleeve and a first spring, the first buffering mechanism is used for buffering and damping, and the length of the first spring can be adjusted by rotating the adjusting sleeve, so that the elasticity of the first spring to a mounting plate is adjusted, and the buffering amount and the pre-clamping force are adjusted according to different working requirements;

2. be equipped with second buffer gear, second buffer gear includes second spring, connecting rod and splint, and when the interact power between clamp plate and the work piece is big more, the clamp plate is constantly close to the mounting panel to the connecting rod drives two splint through the slider and is close to each other, and is further tight with the work piece clamp, keeps the stability of work piece, and it is more reliable to press from both sides tightly, and further increased the buffering shock attenuation performance of device, improve structural stability, carry out the tensioning and the in-process of loosening at anchor clamps, have the scope limit of a buffering, can carry out the physics protection to anchor clamps.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of another embodiment of the present invention.

Notations for reference numerals: 1-antiskid bulge, 2-pressing plate, 3-second spring, 4-mounting plate, 5-connecting plate, 6-mounting hole, 7-adjusting sleeve, 8-first sleeve, 9-first spring, 10-supporting rod, 11-connecting rod, 12-sliding block, 13-clamping plate, 14-rubber sleeve and 15-strong magnet.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1, in the embodiment of the present invention, a buffer structure of a precision clamp includes a connecting plate 5, a mounting plate 4, and a pressing plate 2, the connecting plate 5, the mounting plate 4, and the pressing plate 2 are sequentially arranged at intervals, a first buffer mechanism is arranged between the connecting plate 5 and the mounting plate 4, a second buffer mechanism is arranged between the mounting plate 4 and the pressing plate 2, the first buffer mechanism includes a first sleeve 8, a supporting rod 10, an adjusting sleeve 7, and a first spring 9, the first sleeve 8 is fixed on a side wall of the connecting plate 5, the fixing manner of the first sleeve 8 and the connecting plate 5 is preferably welded, the supporting rod 10 is inserted into the first sleeve 8, the other end of the supporting rod 10 is fixedly connected with the mounting plate 4, the fixing manner of the supporting rod 10 and the mounting plate 4 is preferably welded, the adjusting sleeve 7 is sleeved on an outer wall of the first sleeve 8, the, the first spring 9 is sleeved outside the first sleeve 8 and the support rod 10, two ends of the first spring 9 are respectively abutted against the adjusting sleeve 7 and the mounting plate 4, the length of the first spring 9 can be adjusted by rotating the adjusting sleeve 7, so that the elasticity of the first spring 9 to the mounting plate 4 is adjusted, the buffer capacity and the pre-clamping force are adjusted according to different work demands, the second buffer mechanism comprises a second spring 3, a connecting rod 11 and a clamping plate 13, a plurality of second springs 3 are arranged between the mounting plate 4 and the pressing plate 2, two ends of the second springs 3 are respectively fixedly connected with the mounting plate 4 and the pressing plate 2, the connecting rods 11 are symmetrically hinged on the side wall of the mounting plate 4 close to the pressing plate 2, the two connecting rods 11 are obliquely arranged towards the middle part of the pressing plate 2, the other ends of the two connecting rods 11 are respectively hinged with a sliding block 12, the sliding block 12 is connected with the pressing plate 2 in a sliding, 12 opposite side of slider is fixed with splint 13, the outside cover of splint 13 is equipped with rubber sleeve 14, the integral type evenly is equipped with a plurality of non-slip raised 1 on the lateral wall that mounting panel 4 was kept away from to clamp plate 2, when the interact power between clamp plate 2 and the work piece is big more, clamp plate 2 constantly is close to mounting panel 4, thereby connecting rod 11 drives two splint 13 through slider 12 and is close to each other, further press from both sides the work piece tightly, the stability that keeps the work piece, it is more reliable to press from both sides tightly, and the buffering shock attenuation performance of device has further been increased, improve structural stability, carry out the tensioning and the in-process of loosening at anchor clamps, there is the scope limit of a buffering, can carry out.

Example 2

Referring to fig. 2, the embodiment is different from embodiment 1 in that a strong magnet 15 is installed in the clamp plate 13, an installation groove for installing the strong magnet 15 is formed in the clamp plate 13, and the strong magnet 15 has a better magnetic attraction force, so that the connecting strength between the clamp and the fixing member is increased, and the embodiment is suitable for different working conditions.

The working principle of the invention is as follows: when the invention is used, the first buffer mechanism is used for buffering and damping, the adjusting sleeve 7 is rotated to adjust the length of the first spring 9, so that the elasticity of the first spring 9 on the mounting plate 4 is adjusted, the buffer amount and the pre-clamping force are adjusted according to different working requirements, meanwhile, the second buffer mechanism is used for buffering and damping, when the interaction force between the pressing plate 2 and a workpiece is larger, the pressing plate 2 is continuously close to the mounting plate 4, so that the connecting rod 11 drives the two clamping plates 13 to mutually approach through the sliding block 12, the workpiece is further clamped, the stability of the workpiece is maintained, the clamping is more reliable, the buffering and damping performance of the device is further increased, the structural stability is improved, in the process of tensioning and loosening the clamp, a buffer range limit is provided, the clamp can be physically protected, and a strong magnet 15 can be used for better magnetic attraction, the connecting force between the clamp and the fixing part is increased, and the clamp is suitable for different working conditions.

The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A buffering structure of a precision clamp comprises a connecting plate (5), a mounting plate (4) and a pressing plate (2), wherein the connecting plate (5), the mounting plate (4) and the pressing plate (2) are sequentially arranged at intervals, a first buffering mechanism is arranged between the connecting plate (5) and the mounting plate (4), and a second buffering mechanism is arranged between the mounting plate (4) and the pressing plate (2), the buffering structure is characterized in that the first buffering mechanism comprises a first sleeve (8), a supporting rod (10), an adjusting sleeve (7) and a first spring (9), the first sleeve (8) is fixed on the side wall of the connecting plate (5), the supporting rod (10) is arranged in the first sleeve (8) in a penetrating manner, the other end of the supporting rod (10) is fixedly connected with the mounting plate (4), the adjusting sleeve (7) is sleeved on the outer wall of the first sleeve (8), and the adjusting sleeve (7) is in threaded connection with the first sleeve (8, the first sleeve (8) and the supporting rod (10) are sleeved with the first spring (9), two ends of the first spring (9) are respectively abutted against the adjusting sleeve (7) and the mounting plate (4), the second buffer mechanism comprises second springs (3), connecting rods (11) and clamping plates (13), a plurality of second springs (3) are arranged between the mounting plate (4) and the clamping plate (2), two ends of each second spring (3) are respectively fixedly connected with the mounting plate (4) and the clamping plate (2), the connecting rods (11) are hinged to the side wall, close to the clamping plate (2), of the mounting plate (4) in two numbers and are symmetrically hinged to the side wall, the two connecting rods (11) are obliquely arranged towards the middle of the clamping plate (2), the other ends of the two connecting rods (11) are hinged with sliding blocks (12), the sliding blocks (12) are connected with the clamping plate (2) in a sliding manner, sliding chutes for the sliding blocks (12) are formed in, a clamping plate (13) is fixed on the other side of the sliding block (12).

2. The buffer structure of a precision clamp according to claim 1, wherein the first sleeve (8) and the connecting plate (5) are fixed by welding.

3. The buffer structure of a precision clamp according to claim 1, wherein the support rod (10) is fixed to the mounting plate (4) by welding.

4. The buffer structure of a precision jig according to claim 1, wherein the clamp plate (13) is externally sleeved with a rubber sleeve (14).

5. The buffer structure of the precision clamp according to claim 1, wherein the side wall of the pressure plate (2) far away from the mounting plate (4) is integrally and uniformly provided with a plurality of anti-skid protrusions (1).

6. The buffer structure of the precision clamp according to claim 4, wherein the clamping plate (13) is internally provided with a strong magnet (15), and the clamping plate (13) is provided with a mounting groove for mounting the strong magnet (15).