CN213970792U - Pneumatic clamp for preventing edge of workpiece from warping - Google Patents

Abstract

The utility model discloses a prevent pneumatic fixture of work piece edge upwarp, including PMKD, PMKD's upper end is provided with the work piece rack, be provided with joint strip on the work piece rack, PMKD's upper end is provided with four cylinders, four at the both ends symmetry of controlling that is located the work piece rack all be provided with a telescopic link on the cylinder, four the equal symmetry in inside of telescopic link is provided with two spacing springs, four the equal symmetry in inside of telescopic link is provided with two expansion plates. The utility model relates to a pneumatic clamp for preventing the edge of a workpiece from warping, which belongs to the field of fixed equipment, and can be used for conveniently compressing the edge of a product by arranging a cylinder and a telescopic rod and installing an auxiliary pressing plate on the telescopic rod, thereby preventing the edge of the product from warping; the auxiliary pressing plate can be conveniently detached and installed by arranging the expansion plate and the limiting spring; through setting up the soft board, can prevent that supplementary clamp plate from crushing the product.

Description

Pneumatic clamp for preventing edge of workpiece from warping

Technical Field

The utility model relates to a fixed equipment field, in particular to prevent air jig of work piece edge upwarp.

Background

The clamp 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 clamp; when an existing pneumatic clamp adsorbs some thin products, the products are easy to deform and the edges of the products tilt, so that the processing of the products is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a prevent pneumatic fixture of work piece edge upwarp can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a prevent pneumatic fixture of work piece edge upwarp, includes PMKD, PMKD's upper end is provided with the work piece rack, be provided with joint strip on the work piece rack, PMKD's upper end is provided with four cylinders, four in the both ends symmetry of controlling that is located the work piece rack all be provided with a telescopic link on the cylinder, four the equal symmetry in inside of telescopic link is provided with two spacing springs, four the equal symmetry in inside of telescopic link is provided with two expansion plates, four the top of expansion plate all is provided with a connection arm-tie, four all install an auxiliary pressure board, four on the telescopic link auxiliary pressure board's inside all is provided with a soft board.

Preferably, the upper end of the workpiece placing frame is symmetrically provided with two limiting blocks, and the upper end of the workpiece placing frame is evenly provided with a plurality of air exhaust holes.

Preferably, the sealing rubber strip is arranged on the outer side of the air suction hole.

Preferably, the lower ends of the four cylinders are respectively provided with a fixing plate.

Preferably, four two chutes are symmetrically formed in the upper end of the telescopic rod, four two storage cavities are symmetrically formed in the bottom end, located in the chutes, of the inner portion of the telescopic rod, four square holes are symmetrically formed in the outer wall of the telescopic rod, the square holes penetrate through the outer wall of the telescopic rod and the storage cavities, and a placing plate is arranged on the outer wall of the telescopic rod below the square holes.

Preferably, eight limiting springs are respectively arranged in the eight accommodating cavities.

Preferably, eight the inner of expansion plate all is provided with an anticreep board lieing in eight and accomodates the intracavity, the anticreep board sets up the outer end at spacing spring, the upper end of anticreep board is provided with the connecting plate lieing in the spout.

Preferably, the four connecting pull blocks are respectively arranged at the upper ends of the four connecting plates.

Preferably, a mounting hole is formed in each of the four auxiliary pressing plates, two clamping grooves are symmetrically formed in the inner walls, located in the mounting holes, of the upper ends of the four auxiliary pressing plates, and a mounting groove is formed in the lower end of each of the four auxiliary pressing plates.

Preferably, eight soft boards are respectively installed in eight installation grooves.

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

the edge of the product can be conveniently compressed by arranging the air cylinder and the telescopic rod and installing the auxiliary pressing plate on the telescopic rod, so that the edge of the product is prevented from tilting; the auxiliary pressing plate can be conveniently detached and installed by arranging the expansion plate and the limiting spring; through setting up the soft board, can prevent that auxiliary pressure board from crushing the product to finally reduce the influence of product edge perk to product processing.

Drawings

Fig. 1 is a schematic view of the overall structure of a pneumatic clamp for preventing the edge of a workpiece from warping according to the present invention;

FIG. 2 is a schematic structural view of an auxiliary pressing plate and a soft plate of the pneumatic clamp for preventing the edge of a workpiece from warping according to the present invention;

FIG. 3 is a schematic view of a cross-sectional view of a telescopic rod of a pneumatic clamp for preventing the edge of a workpiece from warping according to the present invention;

fig. 4 is the schematic diagram of the position relationship structure of the expansion plate and the connection pull block of the pneumatic clamp for preventing the edge of the workpiece from warping.

In the figure: 1. fixing the bottom plate; 2. a workpiece placing rack; 3. a cylinder; 4. a telescopic rod; 5. a limiting spring; 6. a retractable plate; 7. connecting a pulling block; 8. an auxiliary pressure plate; 9. a soft board; 10. a limiting block; 11. an air exhaust hole; 12. sealing rubber strips; 13. a fixing plate; 14. placing the plate; 15. a receiving cavity; 16. a chute; 17. a square hole; 18. an anti-drop plate; 19. a connecting plate; 20. mounting holes; 21. mounting grooves; 22. a clamping groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a pneumatic fixture for preventing edge of a workpiece from warping comprises a fixing bottom plate 1, a workpiece placing rack 2 is arranged at the upper end of the fixing bottom plate 1, sealing rubber strips 12 are arranged on the workpiece placing rack 2, four cylinders 3 are symmetrically arranged at the left end and the right end of the upper end of the fixing bottom plate 1, a telescopic rod 4 is arranged on each of the four cylinders 3, two limiting springs 5 are symmetrically arranged in each of the four telescopic rods 4, two expansion plates 6 are symmetrically arranged in each of the four telescopic rods 4, a connecting pull block 7 is arranged above each of the four expansion plates 6, an auxiliary pressing plate 8 is arranged on each of the four telescopic rods 4, and a soft plate 9 is arranged in each of the four auxiliary pressing plates 8.

In this embodiment, two limiting blocks 10 are symmetrically arranged at the upper end of the workpiece placing frame 2, and a plurality of air suction holes 11 are uniformly formed in the upper end of the workpiece placing frame 2.

In the present embodiment, the sealing rubber strip 12 is disposed outside the suction hole 11.

In the present embodiment, the lower ends of the four cylinders 3 are each provided with one fixed plate 13.

In this embodiment, two chutes 16 have been symmetrically provided in the upper ends of four telescopic rods 4, two storage cavities 15 have been symmetrically provided in the bottom ends of the chutes 16 in the interiors of the four telescopic rods 4, two square holes 17 have been symmetrically provided in the outer walls of the four telescopic rods 4, the square holes 17 penetrate the outer walls of the telescopic rods 4 and the storage cavities 15, and a placing plate 14 is provided below the square holes 17 in the outer walls of the four telescopic rods 4.

In the present embodiment, in order to regulate the position of the expansion plate 6, the limit springs 5 are provided, and eight limit springs 5 are provided in eight housing chambers 15, respectively.

In this embodiment, in order to facilitate quick installation and disassembly of the auxiliary pressing plate 8, the retractable plates 6 are provided, the inner ends of the eight retractable plates 6 are provided with one anti-falling plate 18 in the eight accommodating cavities 15, the anti-falling plate 18 is arranged at the outer end of the limiting spring 5, and the upper end of the anti-falling plate 18 is provided with a connecting plate 19 in the sliding groove 16.

In the present embodiment, in order to facilitate the movement of the pulling expansion plate 6, the connecting blocks 7 are provided, and four connecting blocks 7 are respectively provided at the upper ends of four connecting plates 19.

In this embodiment, in order to prevent the perk of product edge, set up auxiliary pressing plate 8, all seted up a mounting hole 20 on four auxiliary pressing plate 8, two draw-in grooves 22 have all been seted up to four auxiliary pressing plate 8's upper end equal symmetry on the inner wall that is located mounting hole 20, and a mounting groove 21 has all been seted up to four auxiliary pressing plate 8's lower extreme.

In this embodiment, in order to prevent the product from being crushed, the flexible boards 9 are provided, and the eight flexible boards 9 are respectively installed in the eight installation grooves 21.

It should be noted that, the utility model relates to a pneumatic fixture for preventing the edge of a workpiece from warping, when in use, firstly, a product is placed at the upper end of a workpiece placing rack 2, then a cylinder 3 drives a telescopic rod 4 to move downwards, and the telescopic rod 4 drives an auxiliary pressing plate 8 to move downwards, so that a soft plate 9 is pressed at the upper end of the edge of the product, and then the product is adsorbed through an air exhaust hole 11; after the product is processed, the adsorption on the product is firstly released, and then the cylinder 3 is used for driving the telescopic rod 4 and the auxiliary pressing plate 8 to move upwards, so that the soft plate 9 is separated from the product, and then the product can be taken down; when the auxiliary pressing plate 8 needs to be disassembled, the connecting pull block 7 is pulled firstly, so that the expansion plate 6 is moved away from the upper end of the auxiliary pressing plate 8, and then the auxiliary pressing plate 8 is taken down from the expansion rod 4.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a prevent pneumatic fixture of work piece edge upwarping which characterized in that: the workpiece clamping device is characterized by comprising a fixing bottom plate (1), wherein a workpiece placing frame (2) is arranged at the upper end of the fixing bottom plate (1), sealing rubber strips (12) are arranged on the workpiece placing frame (2), four cylinders (3) and four cylinders are symmetrically arranged at the left end and the right end of the upper end of the fixing bottom plate (1) and located on the workpiece placing frame (2), a telescopic rod (4) and four telescopic rods (4) are arranged on the cylinders (3), two limiting springs (5) and four telescopic plates (6) and four are symmetrically arranged in the telescopic rods (4), a connecting pull block (7) is arranged above each telescopic plate (6), four auxiliary pressing plates (8) are arranged on the telescopic rods (4), and four soft plates (9) are arranged inside the auxiliary pressing plates (8).

2. The pneumatic clamp for preventing the edge of the workpiece from warping as claimed in claim 1, wherein: the upper end of the workpiece placing frame (2) is symmetrically provided with two limiting blocks (10), and the upper end of the workpiece placing frame (2) is evenly provided with a plurality of air exhaust holes (11).

3. The pneumatic clamp for preventing the edge of the workpiece from warping as claimed in claim 2, wherein: the sealing rubber strip (12) is arranged on the outer side of the air suction hole (11).

4. The pneumatic clamp for preventing the edge of the workpiece from warping as claimed in claim 3, wherein: the lower ends of the four cylinders (3) are provided with a fixing plate (13).

5. The pneumatic clamp for preventing the edge of the workpiece from warping as claimed in claim 4, wherein: four two chutes (16) are symmetrically arranged at the upper end of the telescopic rod (4), four two storage cavities (15) and four square holes (17) are symmetrically arranged at the bottom end of the telescopic rod (4) and are located at the chutes (16), four square holes (17) are symmetrically arranged on the outer wall of the telescopic rod (4), the outer wall of the telescopic rod (4) and the storage cavities (15) are penetrated through the square holes (17), and four placing plates (14) are arranged on the outer wall of the telescopic rod (4) below the square holes (17).

6. The pneumatic clamp for preventing the edge of the workpiece from warping as claimed in claim 5, wherein: the eight limiting springs (5) are respectively arranged in the eight containing cavities (15).

7. The pneumatic clamp for preventing the edge of the workpiece from warping as claimed in claim 6, wherein: eight the inner of expansion plate (6) all is provided with one anticreep board (18) lieing in eight and accomodate chamber (15), anticreep board (18) set up the outer end at spacing spring (5), the upper end of anticreep board (18) is provided with connecting plate (19) lieing in spout (16).

8. The pneumatic clamp for preventing edge lifting of a workpiece according to claim 7, wherein: the four connecting pull blocks (7) are respectively arranged at the upper ends of the four connecting plates (19).

9. The pneumatic clamp for preventing edge lifting of a workpiece according to claim 8, wherein: a mounting hole (20) is formed in each of the four auxiliary pressing plates (8), two clamping grooves (22) are symmetrically formed in the inner wall, located in the mounting hole (20), of the upper ends of the four auxiliary pressing plates (8), and a mounting groove (21) is formed in the lower end of each auxiliary pressing plate (8).

10. The pneumatic clamp for preventing edge lifting of a workpiece according to claim 9, wherein: the eight soft boards (9) are respectively arranged in the eight mounting grooves (21).

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