CN219310756U

CN219310756U - Cavity suction type high-pressure vacuum chuck device

Info

Publication number: CN219310756U
Application number: CN202320347395.7U
Authority: CN
Inventors: 刘乖军
Original assignee: Baoji Zhenghe Tiantuo Metal Technology Co ltd
Current assignee: Baoji Zhenghe Tiantuo Metal Technology Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-07-07
Anticipated expiration: 2033-03-01

Abstract

Provides a cavity suction type high-pressure vacuum chuck device, which belongs to the technical field of vacuum chucks. The vacuum chuck comprises a vacuum chuck body, wherein the lower surface of the vacuum chuck body is provided with a sucking groove in the chuck, the lower part of the vacuum chuck body is fixedly connected with a vacuum chuck rear cover, and the vacuum chuck rear cover and the vacuum chuck body are covered to enable the sucking groove in the chuck to enclose a vacuum chuck sucking inner cavity; the upper surface of the vacuum chuck body is a workpiece bonding surface, and the vacuum chuck body is provided with a vacuum suction hole which is directly communicated with a vacuum chuck suction cavity. According to the utility model, the pipeline type suction structure of the vacuum chuck is changed into the cavity type suction structure, so that the vacuum air quantity in the chuck is greatly increased, and a large negative pressure is generated between the chuck and a workpiece, thereby completely meeting the reliable and stable fixation of the chuck to the workpiece.

Description

Cavity suction type high-pressure vacuum chuck device

Technical Field

The utility model belongs to the technical field of vacuum chucks, and particularly relates to a cavity suction type high-pressure vacuum chuck device.

Background

For parts such as titanium products, which are not magnetic, the pressing plate is usually adopted to press and fix on a machine tool, screws are required to be installed and detached on the pressing plate in the pressing plate disassembling and assembling process, the operation is very inconvenient, the hands are easy to be injured by clamping, and the efficiency is greatly reduced. Therefore, in order to better fix the workpiece on the machine tool, the workpiece is fixed by adopting the vacuum chuck and then is placed on the processing platform, and the vacuum chuck fixes the workpiece by generating negative pressure, so that the operation is simple and the efficiency is high. However, the existing vacuum chucks are all outsourced finished product chucks, and the vacuum chuck is vacuumized through a pipeline, so that the problem of vacuumizing a pipe is that the generated vacuum negative pressure is small due to small air storage in the pipe, and for larger parts, the small negative pressure cannot meet the part fixing requirement, or the pressure generated between the chuck and the parts only exists at a plurality of places corresponding to the vacuum suction port, so that the fixing force is completely insufficient. There is therefore a need for improvements.

Disclosure of Invention

The utility model solves the technical problems that: the utility model provides a cavity suction type high-pressure vacuum chuck device, which can greatly increase the vacuum air quantity in a chuck by changing a pipeline type suction structure of the vacuum chuck into a cavity type suction structure, so that a large negative pressure is generated between the chuck and a workpiece, thereby completely meeting the reliable and stable fixation of the chuck to the workpiece.

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

the cavity suction type high-pressure vacuum chuck device comprises a vacuum chuck body, wherein an inner suction groove of a chuck is formed in the lower surface of the vacuum chuck body, a vacuum chuck rear cover is fixedly connected to the lower part of the vacuum chuck body, and the inner suction groove of the chuck is surrounded into a vacuum chuck suction inner cavity after the vacuum chuck rear cover and the vacuum chuck body are covered; the upper surface of the vacuum chuck body is a workpiece bonding surface, a vacuum suction hole is formed in the vacuum chuck body and is communicated with the workpiece bonding surface, and the vacuum suction hole is directly communicated with a vacuum chuck suction cavity.

In the preferred mode of the scheme, the upper surface of the rear cover of the vacuum chuck is provided with the suction groove in the chuck cover, and the suction groove in the chuck cover enclose a vacuum chuck suction cavity after the rear cover of the vacuum chuck and the vacuum chuck body are covered.

In the preferable mode of the scheme, a plurality of groove reinforcing ribs are formed between the suction grooves in the sucker cover on the vacuum sucker rear cover.

In the preferable mode of the scheme, a plurality of mutually staggered vacuum suction grooves are arranged on the upper surface of the vacuum chuck body in a transverse and vertical mode, and the vacuum suction holes are communicated with the vacuum suction grooves.

In a preferred mode of the scheme, a filter screen is arranged in the vacuum suction hole.

In the preferable mode of the scheme, the suction groove in the suction cup is internally provided with the reinforcing rib in the suction cup.

To the preferred mode of above-mentioned scheme, be equipped with sealed pad between the connection faying surface of lid and vacuum chuck body a week behind the vacuum chuck, lid and vacuum chuck body link together through a plurality of set screws of a week equipartition behind the vacuum chuck.

For the preferred mode of above-mentioned scheme, vacuum chuck body one side is equipped with vacuum chuck suction interface, vacuum chuck suction interface and vacuum chuck suction inner chamber switch-on, vacuum chuck body one side is equipped with the vacuum pressure gauge.

Compared with the prior art, the utility model has the advantages that:

this scheme is through changing the suction structure of vacuum chuck's pipeline formula into cavity formula suction structure, the vacuum tolerance in the greatly increased sucking disc, makes to produce great negative pressure between sucking disc and the work piece to satisfy the reliable stable of sucking disc to the work piece completely and fix, this sucking disc structure makes the work piece installation dismantle conveniently, improves the machining efficiency height of work piece.

Drawings

FIG. 1 is a front elevational view of the structure of the present utility model;

fig. 2 is a top view of the structure of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Referring to fig. 1-2, embodiments of the present utility model are described in detail.

Example 1: the cavity suction type high-pressure vacuum chuck device is shown in the figure 1, and comprises a vacuum chuck body 1, wherein an inner suction groove 1-3 is formed in the lower surface of the vacuum chuck body 1, a vacuum chuck rear cover 2 is fixedly connected to the lower part of the vacuum chuck body 1, and the vacuum chuck rear cover 2 and the vacuum chuck body 1 are covered to enable the inner suction groove 1-3 to enclose a vacuum chuck suction inner cavity 4. The upper surface of the vacuum chuck body 1 is a workpiece joint surface 1-1, and a plurality of mutually staggered vacuum suction grooves 1-2 are transversely and vertically arranged on the upper surface of the vacuum chuck body 1; the vacuum chuck is characterized in that a vacuum suction hole 1-4 is formed in the vacuum chuck body 1, the vacuum suction hole 1-4 is communicated with the vacuum suction groove 1-2, and the vacuum suction hole 1-4 is directly communicated with the vacuum chuck suction cavity 4.

In this embodiment, referring to fig. 2, a vacuum chuck suction interface 7 is provided on one side of the vacuum chuck body 1, for connection with a vacuum suction device. The vacuum chuck suction interface 7 is communicated with the vacuum chuck suction cavity 4, and a vacuum pressure gauge 8 is arranged on one side of the vacuum chuck body 1.

According to the embodiment, the pipeline type suction structure of the vacuum chuck is changed into the cavity type suction structure, so that the vacuum air quantity in the chuck can be greatly increased, and larger negative pressure is generated between the chuck and a workpiece, so that the reliable and stable fixation of the chuck to the workpiece is completely met, the workpiece is convenient to install and detach due to the chuck structure, and the processing efficiency of the workpiece is improved.

Example 2: referring to fig. 1, the upper surface of the vacuum chuck rear cover 2 is provided with a suction groove 2-1 in the chuck cover, and the vacuum chuck rear cover 2 and the vacuum chuck body 1 are covered to enable the suction groove 1-3 in the chuck and the suction groove 2-1 in the chuck cover to enclose a vacuum chuck suction cavity 4, so that the volume of the vacuum chuck suction cavity 4 is increased, and the vacuum suction pressure is further increased.

In one embodiment, the suction grooves 2-1 in the suction cup cover on the vacuum suction cup rear cover 2 are provided with a plurality of reinforcing ribs 2-2 between the grooves.

In one embodiment, a filter screen 3 is disposed in the vacuum suction holes 1-4, and is used for filtering the gas passing through the vacuum suction holes, so as to prevent sundries from entering the sucker through the vacuum suction holes.

In one embodiment, the suction groove 1-3 in the sucker is provided with the reinforcing rib 1-5 in the sucker, so that the overall structural rigidity of the sucker body is improved.

In an embodiment, a sealing gasket 5 is arranged between the connection joint surface of the vacuum chuck rear cover 2 and the vacuum chuck body 1 for one circle, so that the sealing performance of the vacuum suction cavity is improved. The vacuum chuck rear cover 2 is connected with the vacuum chuck body 1 through a plurality of fixing screws 6 uniformly distributed in a circle, so that the disassembly, the installation and the maintenance of the vacuum chuck are convenient.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The cavity suction type high-pressure vacuum chuck device comprises a vacuum chuck body (1), and is characterized in that: the vacuum chuck comprises a vacuum chuck body (1), and is characterized in that the lower surface of the vacuum chuck body (1) is provided with a sucking disc inner sucking groove (1-3), the lower part of the vacuum chuck body (1) is fixedly connected with a vacuum chuck rear cover (2), and the vacuum chuck rear cover (2) and the vacuum chuck body (1) are covered to enable the sucking disc inner sucking groove (1-3) to form a vacuum chuck sucking inner cavity (4); the upper surface of the vacuum chuck body (1) is a workpiece attaching surface (1-1), a vacuum suction hole (1-4) is formed in the vacuum chuck body (1), the vacuum suction hole (1-4) is communicated with the workpiece attaching surface (1-1), and the vacuum suction hole (1-4) is directly communicated with a vacuum chuck suction cavity (4).

2. The cavity suction type high pressure vacuum chuck device according to claim 1, wherein: the upper surface of the vacuum chuck rear cover (2) is provided with a suction groove (2-1) in the chuck cover, and the vacuum chuck rear cover (2) and the vacuum chuck body (1) are covered to enable the suction groove (1-3) in the chuck and the suction groove (2-1) in the chuck cover to enclose a vacuum chuck suction inner cavity (4).

3. The cavity suction type high pressure vacuum chuck device as claimed in claim 2, wherein: the suction grooves (2-1) in the sucker cover on the vacuum sucker rear cover (2) are provided with a plurality of reinforcing ribs (2-2) which are arranged between the suction grooves.

4. The cavity suction type high pressure vacuum chuck device according to claim 1, wherein: a plurality of mutually staggered vacuum suction grooves (1-2) are transversely and vertically arranged on the upper surface of the vacuum chuck body (1), and the vacuum suction holes (1-4) are communicated with the vacuum suction grooves (1-2).

5. The cavity suction type high pressure vacuum chuck device according to claim 1, wherein: a filter screen (3) is arranged in the vacuum suction holes (1-4).

6. The cavity suction type high pressure vacuum chuck device according to claim 1, wherein: the suction groove (1-3) in the sucker is provided with a reinforcing rib (1-5) in the sucker.

7. The cavity suction type high pressure vacuum chuck device according to claim 1, wherein: the sealing gasket (5) is arranged between the connecting joint surfaces of the vacuum chuck rear cover (2) and the vacuum chuck body (1) in a circle, and the vacuum chuck rear cover (2) and the vacuum chuck body (1) are connected together through a plurality of fixing screws (6) uniformly distributed in a circle.

8. The cavity suction type high pressure vacuum chuck device according to claim 1, wherein: the vacuum chuck is characterized in that a vacuum chuck suction interface (7) is arranged on one side of the vacuum chuck body (1), the vacuum chuck suction interface (7) is communicated with a vacuum chuck suction inner cavity (4), and a vacuum pressure gauge (8) is arranged on one side of the vacuum chuck body (1).