CN216288364U - Multi-point type plane vacuum chuck - Google Patents

Abstract

The utility model discloses a multipoint type plane vacuum sucker, which relates to the technical field of mechanical production and detection and comprises a sucker main body provided with a plurality of sucking and fixing modules, wherein each sucking and fixing module comprises an air chamber arranged in the sucker main body, a product sucking port arranged on the top surface of the sucker main body and an elastic negative pressure driving assembly arranged between the product sucking port and the air chamber; the air chambers of the solid suction modules are sequentially communicated in a grading manner; the outer side wall of the sucker main body is provided with an outlet provided with a first switch valve and an inlet provided with a second switch valve; the inlet is communicated with the bottom of the first stage air chamber, and the outlet is communicated with the bottom of the last stage air chamber. The suction cup can form negative pressure at a product adsorption port to adsorb a product like the prior art, and can blow air pressure gas into the channel from the inlet under the condition of opening the first switch valve and the second switch valve, blow all water and oil in the channel in a low-pressure environment out from the outlet, so that the maintenance operation is very simple.

Description

Multi-point plane vacuum suction cup

technical field

The utility model relates to the technical field of mechanical production and detection, in particular to a multi-point plane vacuum suction cup.

Background technique

In mechanical production and testing, many conventional clamping methods (such as chuck clamping, adhesive positioning, etc., which may damage or contaminate the workpiece) are not suitable, so vacuum suction cups are used to suck and fix the product. At present, in order to efficiently realize the adsorption of products, a multi-point plane vacuum suction cup has appeared. This vacuum suction cup is provided with a plurality of suction modules, and each suction module includes an air chamber arranged inside the suction cup body, The product adsorption port arranged on the top surface of the suction cup main body, the elastic negative pressure driving component arranged between the product adsorption port and the air chamber, and the air port connected with the air chamber and provided on the outer side wall with an air valve, when vacuum adsorption is required, Connect the air outlet to an external air extraction device. The existing multi-point flat vacuum suction cup has a defect, that is, during use, there will be residual water or oil in the air chamber in the suction cup main body. Except for the product adsorption port, there is only one air port communicating with the air chamber. When the water or oil in the air chamber needs to be discharged, it needs to be discharged from the only air port, and several auxiliary equipments need to be used, and the operation and maintenance are very troublesome.

Utility model content

The utility model is to provide a vacuum suction cup, which can alleviate the above problems.

In order to alleviate the above-mentioned problems, the technical scheme adopted by the present utility model is as follows:

The utility model provides a multi-point plane vacuum suction cup, which comprises a suction cup main body provided with a plurality of solid suction modules. an elastic negative pressure driving component arranged between the product adsorption port and the air chamber;

The air chambers of each of the solid suction modules are connected in sequence;

The outer side wall of the suction cup body is provided with an outlet where the first switch valve is installed, and an inlet where the second switch valve is installed;

The inlet communicates with the bottom of the air chamber of the first stage, and the outlet communicates with the bottom of the air chamber of the last stage.

In a preferred embodiment of the present utility model, the air chamber is divided into two parts, a front-stage secondary air chamber group and a rear-stage secondary air chamber group, and the last-stage air chamber of the front-stage secondary air chamber group, The air chamber of the first stage of the secondary air chamber group of the rear stage is communicated with the air chamber of the first stage through a channel pipe installed with a third on-off valve, and the channel pipe is located outside the suction cup main body.

In a preferred embodiment of the present invention, the top of the suction cup body is provided with a protective plate, the protective plate is provided with vertically arranged through holes, and the through holes are corresponding to the product adsorption one by one Except for the through hole, other parts of the bottom surface of the protection plate except the through hole are in sealing fit with the suction cup body.

In a preferred embodiment of the present invention, the top surface of the protection plate is covered with a rubber pad, and the through hole extends through the rubber pad.

Compared with the prior art, the beneficial effects of the present utility model are:

1) The air chambers in the main body of the suction cup are connected in sequence in order, which is equivalent to forming a channel composed of air chambers. The channel is connected to the inlet and outlet where the on-off valve is installed. As in the prior art, a negative pressure is formed at the product adsorption port to adsorb the product, and when the first switch valve and the second switch valve are opened, the air pressure gas can be blown into the channel from the inlet, and the channel in the low pressure environment can be blown into the channel. All water and oil are discharged from the outlet, the maintenance operation is very simple;

2) There is a third switch valve between the air chambers, which can choose between the use of all product adsorption ports and some product adsorption ports, and the use is more flexible;

3) It is designed with a protective plate, which is not easy to damage the main body of the suction cup when drilling the parts;

4) The protective plate is designed with a rubber pad, which can be used for better sealing and can prevent vacuum leakage between the workpiece to be processed and the product suction port.

In order to make the above-mentioned objects, features and advantages of the present utility model more obvious and easy to understand, the following specific embodiments of the present utility model are described in detail in conjunction with the accompanying drawings.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation of the scope. For those of ordinary skill in the art, other related drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the three-dimensional structure schematic diagram of the multi-point plane vacuum suction cup of the present invention;

Fig. 2 is the partial cross-sectional structural representation of C-C among Fig. 1;

In the picture: 1-suction cup body, 2-outlet, 3-first on-off valve, 4-inlet, 5-second on-off valve, 6-third on-off valve, 7-channel pipe, 8-protection plate, 9-glue Pad, 10-through hole, 11-base plate, 12-platen slot, 13-air pressure gauge, 14-elastic negative pressure drive assembly, 15-product suction port, 16-air chamber.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Accordingly, the following detailed description of the embodiments of the invention provided 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 of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in use, only for the convenience of describing the present utility model and simplifying the description, not Indicates or implies that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to FIGS. 1 and 2 , the present invention provides a multi-point flat vacuum suction cup, comprising a suction cup body 1 provided with a plurality of suction modules, and the suction module includes an air chamber 16 arranged inside the suction cup body 1, The product adsorption port 15 opened on the top surface of the suction cup main body 1, the elastic negative pressure driving component 14 arranged between the product adsorption port 15 and the air chamber 16; The outer side wall is provided with an outlet 2 where the first on-off valve 3 is installed, and an inlet 4 on which the second on-off valve 5 is installed; Connected.

In the present invention, the stepped structure of the air chamber 16 and the elastic negative pressure drive assembly 14 are all in the prior art, and only the elastic negative pressure drive assembly 14 is briefly described here. The elastic negative pressure drive assembly 14 includes a spring, a piston, a For structures such as sealing rings and snap rings, when vacuuming, the piston moves downward against the spring force, the part of the space above the piston increases, the air pressure decreases, and a negative pressure is formed, and the product at the product adsorption port 15 is firmly sucked.

The use method of the multi-point plane vacuum suction cup of the utility model when adsorbing products is as follows:

Place the product above the suction cup body 1, and seal the product with the product suction port 15;

Close the second on-off valve 5, open the first on-off valve 3, and connect the outlet 2 to an external air extraction device;

The pumping device is activated, and the piston of the elastic negative pressure drive assembly 14 moves downward, so that the product suction port 15 forms a negative pressure, which firmly absorbs the product.

The method for removing oil and water inside the multi-point plane vacuum suction cup of the utility model is as follows:

After processing the adsorbed product, open the second on-off valve 5, the outlet 2 is exposed, the air chamber 16 is in a negative pressure state relative to the outside world, and the air pressure gas is blown into the channel from the inlet 4, which will be in a low-pressure environment The water and oil are blown out from the outlet 2, and the maintenance operation is very simple.

In an optional embodiment of the present invention, the air chamber 16 is divided into two parts: the front-stage secondary air chamber 16 group and the rear-stage secondary air chamber 16 group, and the last-stage air chamber 16 of the front-stage secondary air chamber 16 group , communicates with the first-stage air chamber 16 of the rear-stage secondary air chamber 16 group through the channel pipe 7 installed with the third on-off valve 6 , and the channel pipe 7 is located outside the suction cup body 1 .

When adsorbing products, only the air chamber 16 communicated with the outlet 2 can work normally. If all the air chambers 16 are required to work normally, the third switch valve 6 can be opened.

In an optional embodiment of the present invention, the top of the suction cup main body 1 is provided with a protective plate 8, the protective plate 8 is provided with vertically arranged through holes 10, and the through holes 10 are in a one-to-one correspondence facing the product adsorption port 15, Except for the through hole 10 , other parts of the bottom surface of the protection plate 8 except the through hole 10 are in sealing fit with the suction cup body 1 .

In this embodiment, the top surface of the protection board 8 is covered with a rubber pad 9 , and the through hole 10 extends through the rubber pad 9 .

In this embodiment, the through hole 10 is equivalent to an extension of the product suction port 15 . The product is placed on the rubber pad 9 and can be directly absorbed through the through hole 10 .

In an optional embodiment of the present invention, the bottom of the suction cup main body 1 is detachably fixedly connected with a bottom plate 11 , and at least two pressing plate slots 12 are formed on the bottom plate 11 and the side of the suction cup main body 1 .

In this embodiment, the pressing plate slot 12 is used for inserting the pressing plate to fix the suction cup body 1 at the processing position of the workpiece processing equipment.

In an optional embodiment of the present invention, the side wall of the suction cup body 1 is provided with an air pressure gauge 13 , and the air pressure detection port of the air pressure gauge 13 is communicated with the air chamber 16 .

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. A multi-point plane vacuum chuck comprises a chuck main body provided with a plurality of suction modules, wherein each suction module comprises an air chamber arranged in the chuck main body, a product suction port arranged on the top surface of the chuck main body, and an elastic negative pressure driving assembly arranged between the product suction port and the air chamber,

the air chambers of the solid suction modules are sequentially communicated in a grading manner;

the outer side wall of the sucker main body is provided with an outlet provided with a first switch valve and an inlet provided with a second switch valve;

the inlet is communicated with the bottom of the first stage air chamber, and the outlet is communicated with the bottom of the last stage air chamber.

2. The multipoint type flat vacuum chuck according to claim 1, wherein said air chamber is divided into two parts of a front-stage sub-chamber group and a rear-stage sub-chamber group, and said last-stage air chamber of said front-stage sub-chamber group is communicated with said first-stage air chamber of said rear-stage sub-chamber group through a passage pipe provided with a third on/off valve, said passage pipe being located outside said chuck main body.

3. The multi-point planar vacuum chuck according to claim 1, wherein a protection plate is disposed on the top of the chuck body, the protection plate has vertically disposed through holes, the through holes are aligned with the product suction ports in a one-to-one correspondence, and except for the through holes, other portions of the bottom surface of the protection plate except for the through holes are in sealing engagement with the chuck body.

4. The multi-point planar vacuum chuck according to claim 3, wherein the top surface of the protection plate is covered with a rubber pad, and the through hole extends through the rubber pad.

5. The multi-point planar vacuum chuck according to claim 1, wherein a base plate is detachably and fixedly attached to the bottom of the chuck body, and the base plate and the side of the chuck body form at least two pressing plate insertion grooves.

6. The multi-point planar vacuum chuck according to claim 1, wherein the sidewall of the chuck body is provided with a barometer, and an air pressure detection port of the barometer is communicated with the air chamber.

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