CN110640651A

CN110640651A - Universal pinhole type cavity vacuum adsorption clamp

Info

Publication number: CN110640651A
Application number: CN201910915661.XA
Authority: CN
Inventors: 朱鹏; 李旭辉
Original assignee: Suzhou Lingyu Electronic Technology Co Ltd
Current assignee: Suzhou Lingyu Electronic Technology Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-01-03

Abstract

The invention relates to the field of product processing equipment and discloses a universal pinhole type cavity vacuum adsorption clamp. The fixture comprises a fixture plate, wherein a plurality of air suction holes are distributed on the surface of the fixture plate, a sealed cavity sealed from the back is arranged inside the fixture plate, an air pipe communicated with the sealed cavity is arranged on the side face of the fixture plate, and an air suction port is formed in the tail end of the air pipe. The universal pinhole type cavity vacuum adsorption clamp can improve the air pressure stability of the clamp, reduce the problem of poor processing caused by the fact that products cannot be tightly adsorbed due to unstable air pressure, detect air pressure values in real time and ensure the quality of the products; in addition, the clamp has high universality and can be used for fixing various products, so that the production cost of the products is reduced.

Description

Universal pinhole type cavity vacuum adsorption clamp

Technical Field

The invention relates to the field of product processing equipment, in particular to a universal pinhole cavity type vacuum adsorption clamp.

Background

When products such as 3C parts are machined, the products are often required to be fixed by using a clamp and then machined, and for certain products, such as products with small size or thin thickness, the products are inconvenient to be fixed by using a forced clamping mode, and other modes, such as a vacuum adsorption mode, are required to be selected for fixing.

The existing vacuum adsorption fixing mode generally adopts a clamp to carry out vacuum adsorption through an air groove matched with a sealing ring, on one hand, the stability of air pressure is poor, and the product is often deviated in position due to loose adsorption, so that the processing quality is influenced; on the other hand, the air pressure value cannot be detected in real time, so that poor clamping is easily caused. In addition, the clamp for vacuum adsorption is often a special clamp designed and manufactured for a single product, and when a plurality of products are processed, a plurality of different clamps need to be designed and manufactured, so that the production cost of the products is increased.

Disclosure of Invention

In order to solve the problems, the invention provides a universal pinhole type cavity vacuum adsorption clamp.

According to one aspect of the invention, the universal pinhole type cavity vacuum adsorption clamp comprises a jig plate, wherein a plurality of air suction holes are distributed on the surface of the jig plate, a sealing cavity sealed from the back side is arranged inside the jig plate, an air pipe communicated with the sealing cavity is arranged on the side surface of the jig plate, and an air suction port is arranged at the tail end of the air pipe.

The universal pinhole type cavity vacuum adsorption clamp can improve the air pressure stability of the clamp, reduce the problem of poor processing caused by the fact that products cannot be tightly adsorbed due to unstable air pressure, detect air pressure values in real time and ensure the quality of the products; in addition, the clamp has high universality and can be used for fixing various products, so that the production cost of the products is reduced.

In some embodiments, the diameter of the aspiration orifice is 2.0 mm. Therefore, the size of the air suction hole is set, and in practical application, other suitable sizes of the air suction hole can be selected and designed according to the situation.

In some embodiments, a plurality of positioning pins are distributed around a plurality of the air suction holes. From this, can restrict the position of the product of setting on the air suction hole of tool board through setting up the locating pin.

In some embodiments, the bottom of the sealed chamber is sealed by a sealing plate. The sealing chamber can thus be sealed by the sealing plate, wherein often also a sealing strip or the like is used as an aid.

In some embodiments, the bottom of each side of the jig plate is provided with a support leg. Therefore, the support legs can support the jig plate, so that each structure of the clamp has a certain height, and the operation is convenient.

In some embodiments, a pressure display meter connected with the sealing cavity is arranged on the side surface of the jig plate. From this, can real-time detection tool inboard atmospheric pressure numerical value through pressure display table to guarantee that the atmospheric pressure of clamping is enough accurate.

In some embodiments, the pressure indicator is provided in two numbers, and the two numbers are respectively provided on two opposite sides of the jig plate. Therefore, the pressure value in the sealing cavity can be accurately obtained by uniformly arranging the positions of the two pressure display tables.

In some embodiments, the air tube has two or more air tubes and communicates with the air suction port through the same adapter. Therefore, by arranging the two air pipes, the air suction efficiency can be improved, and air suction can be performed more uniformly.

In some embodiments, a gas valve switch is disposed on the gas tube. Thus, the air intake can be controlled by the air valve switch.

In some embodiments, the jig plate has a plurality of products disposed side-by-side thereon. Therefore, the proper number of products can be simultaneously arranged on the jig plate according to the actual conditions such as the shapes of the jig plate and the products, and the machining efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a general pinhole cavity type vacuum adsorption jig according to an embodiment of the present invention;

FIG. 2 is a schematic view of a part of the structure of the universal pinhole type cavity vacuum adsorption jig shown in FIG. 1;

fig. 3 is a schematic view of the internal structure of the bottom surface of the jig plate shown in fig. 1.

In the figure: the fixture comprises a fixture plate 1, an air pipe 2, an air suction port 3, a support leg 4, a pressure display meter 5, an adapter 6, an air valve switch 7, a product 8, an air suction hole 11, a sealing cavity 12 and a positioning pin 13.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 schematically shows a structure of a general pinhole type vacuum adsorption jig according to an embodiment of the present invention, fig. 2 shows a partial structure of the general pinhole type vacuum adsorption jig of fig. 1, and fig. 3 shows a bottom surface internal structure of a jig plate of fig. 1. As shown in fig. 1-3, the jig mainly comprises a jig plate 1 horizontally placed, and the jig plate 1 is generally rectangular, has a considerable thickness, and is hollow inside.

The top surface of the jig plate 1 is provided with a plurality of air suction holes 11 in a distributed manner, and the air suction holes 11 can be used for fixing and placing the products 8. The diameter of the air suction holes 11 is preferably 2.0mm, and the air suction holes 11 can be designed and selected according to actual needs, and the position distribution of the air suction holes 11 can be set to be uniformly distributed or divided into a plurality of groups according to actual needs of the size and the number of the products 8.

The jig plate 1 has a hollow sealing cavity 12 therein, the upper surface of the sealing cavity 12 is communicated with each air suction hole 11, and the back surface is sealed. The back of the chamber 12 is typically sealed by a sealing plate and a sealing strip, which are not shown in the drawings due to angles, etc.

And a plurality of positioning pins 13 are further arranged on the top surface of the jig plate 1, wherein the positioning pins 13 are distributed around the air suction holes 11, and can limit and guide the positions of the products 8 placed on the air suction holes 11.

Preferably, the bottom of the two sides of the long side of the jig plate 1 is provided with the support legs 4, and the support legs 4 can support the jig plate 1 and the structures and components mounted on the jig plate 1, so that the related operation is more convenient and safer.

An air pipe 2 communicated with a sealed cavity 12 is arranged on the side surface of one long side of the jig plate 1, an air suction port 3 is arranged at the tail end of the air pipe 2, the air suction port 3 can be connected with air suction equipment such as a fan, air is sucked from the sealed cavity 12, and adsorption force is formed at each air suction hole 11.

Preferably, in order to improve the air suction efficiency and uniformity in the sealed cavity 12, more than one air tube 2 may be disposed on the side surface of the jig plate 1, and each air tube 2 is firstly communicated and gathered through an adapter 6 and then communicated with the air suction port 3.

In addition, a gas valve switch 7 is provided on the gas pipe 2 near the suction port 3, and the gas valve switch 7 can control the gas pipe 2 to be ventilated and closed.

The short side face of the jig plate 1 is also provided with a pressure display meter 5 connected with the sealing cavity 12, and the pressure display meter 5 can display the air pressure value in the sealing cavity 12 in real time.

Preferably, can also all set up a pressure display table 5 on two short side sides that carry on the back mutually of tool board 1, then can detect the atmospheric pressure numerical value in the display seal chamber 12 simultaneously from both sides, it is then more accurate to carry out comprehensive consideration with both detection results.

When the fixture is used for adsorbing and fixing the product 8, the product 8 is placed on the surface of the jig plate 1 and is positioned above the air suction holes 11, wherein the positioning pins 13 can limit the position of the product 8 from the periphery, and the product 8 completely covers the air suction holes 11. Wherein, the products 8 are generally all used as various films, and if the size of the products 8 is not enough to shield the air suction holes 11, a plurality of products 8 can be placed on the jig plate 1 together for adsorption, fixation and processing.

Then, the air suction port 3 is connected with an air suction device such as a fan, air can be sucked from the sealed cavity 12 through the air pipe 2, negative pressure is generated in the sealed cavity 12, the product 8 is adsorbed and fixed through the air suction hole 11, the pressure in the sealed cavity 12 is read from the pressure display table 5 to be vertical, when the pressure value reaches a specified range, air suction is stopped, the air valve switch 7 is closed, and then the fixed product 8 can be processed.

After the processing is finished, the air valve switch 7 is opened to enable the pressure in the sealed cavity 12 to be recovered to be normal, the adsorption force on the product 8 disappears, and the processed product 8 can be taken down and replaced.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. General pinhole die cavity formula vacuum adsorption anchor clamps, its characterized in that: the air suction device comprises a jig plate (1), wherein a plurality of air suction holes (11) are distributed on the surface of the jig plate (1), a sealed cavity (12) sealed from the back is formed inside the jig plate, an air pipe (2) communicated with the sealed cavity (12) is arranged on the side face of the jig plate (1), and an air suction port (3) is formed in the tail end of the air pipe (2).

2. The universal pinhole type cavity vacuum adsorption jig of claim 1, characterized in that: the diameter of the air suction hole (11) is 2.0 mm.

3. The universal pinhole type cavity vacuum adsorption jig of claim 1, characterized in that: a plurality of positioning pins (13) are distributed around the plurality of air suction holes (11).

4. The universal pinhole type cavity vacuum adsorption jig of claim 1, characterized in that: the bottom of the sealing cavity (12) is sealed by a sealing plate and a sealing strip.

5. The universal pinhole type cavity vacuum adsorption jig of claim 1, characterized in that: and support legs (4) are arranged at the bottoms of the two sides of the jig plate (1).

6. The universal pinhole type cavity vacuum adsorption jig of claim 1, characterized in that: and a pressure display meter (5) connected with the sealing cavity (12) is arranged on the side surface of the jig plate (1).

7. The universal pinhole type cavity vacuum adsorption clamp of claim 6, wherein: the pressure display meters (5) are provided with two pressure display meters which are respectively arranged on two opposite side surfaces of the jig plate (1).

8. The universal pinhole type cavity vacuum adsorption jig of claim 1, characterized in that: the air pipes (2) are more than two and communicated with the air suction port (3) through the same adapter (6).

9. The universal pinhole type cavity vacuum adsorption jig of claim 1, characterized in that: an air valve switch (7) is arranged on the air pipe (2).

10. The universal pinhole type cavity vacuum adsorption jig of claim 1, characterized in that: the jig plate (1) is provided with a plurality of products (8) side by side.