CN219704253U

CN219704253U - Vacuum chuck

Info

Publication number: CN219704253U
Application number: CN202223496207.1U
Authority: CN
Inventors: 石金山; 郭玉; 刘凯
Original assignee: Hubei Sanjiang Aerospace Group Hongyang Electromechanical Co Ltd
Current assignee: Hubei Sanjiang Aerospace Group Hongyang Electromechanical Co Ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-09-19
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a vacuum chuck, belongs to the technical field of adsorption disks, and at least solves the technical problems of small adsorption area and low adsorption force of the vacuum chuck on a thin-wall frame plate to a certain extent. The vacuum chuck provided by the utility model comprises a base and a chuck assembly, wherein the base is provided with a plurality of switching stations, the chuck assembly can be detachably connected with the switching stations through bolts, the chuck assembly is provided with an inner ring adsorption area and an outer ring adsorption area, air holes are respectively formed in the inner ring adsorption area and the outer ring adsorption area, the inner side and the outer side of a workpiece are adsorbed separately, an isolation area is arranged to effectively avoid through holes in the workpiece, and meanwhile, the vacuum chuck can still adsorb the outer side of the workpiece through the outer ring adsorption area when a through groove in the middle of the workpiece is processed. The adsorption area of the vacuum chuck avoids the processing position of the groove and the hole on the workpiece, increases the adsorption area of the workpiece and improves the adsorption force of the workpiece.

Description

Vacuum chuck

Technical Field

The utility model relates to the technical field of adsorption discs, in particular to a vacuum chuck.

Background

The thin-wall frame plate part is a common part of aerospace products, the shape of the thin-wall frame plate part is a square frame, the middle of the thin-wall frame plate part is hollowed, and through holes and through grooves are distributed between the inner contour and the outer contour of the square frame. The conventional vacuum chuck is used in the following problems that firstly, a sealing ring is difficult to avoid a through groove and a through hole on a part to enclose a sealing area; and secondly, even if the through groove and the through hole on the part are avoided to form a sealing area, the adsorbable area of the workpiece is not utilized to the maximum extent, so that the problems of small workpiece adsorption area and low adsorption force of the vacuum chuck are caused.

Disclosure of Invention

The utility model aims to provide a vacuum chuck to at least solve the technical problems of small adsorption area and low adsorption force of the vacuum chuck on a thin-wall frame plate in the background technology to at least a certain extent.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a vacuum chuck, comprising:

the base, the working face of base is provided with more than one switching station.

The sucking disc subassembly with the switching station corresponds the setting, the sucking disc subassembly corresponds the setting on the switching station that corresponds, sucking disc subassembly adsorb area, isolation region and outer lane adsorb area from outer to interior outer lane that the multiturn was arranged to the adsorption surface, inner circle adsorb area and outer lane adsorb the area and be provided with the gas pocket respectively, be provided with the via hole corresponding with the waiting processing hole of work piece in the isolation region.

Still further, the suction cup assembly includes:

a fixing plate;

the support plate is connected and arranged on the upper surface of the fixed plate;

the outer sealing ring and the inner sealing ring are respectively arranged on the upper surface of the supporting plate, the inner sealing ring is arranged on the inner side of the outer sealing ring, and a region formed by the inner sealing ring and the outer sealing ring is configured as an outer ring adsorption region;

and the separation ring is arranged on the supporting plate at the inner side of the inner sealing ring, and the inner side area of the separation ring is configured as the inner ring adsorption area.

Still further, the via hole is located on the support plate, the inner sealing ring is located outside the via hole, and the spacer ring is located inside the via hole.

Still further, be provided with sealed recess on the backup pad, the spacer ring sets up in sealed recess.

Still further, each transfer station is provided with:

the first air passage is provided with an air suction port and an air outlet, and the air suction port of the first air passage is communicated with the air hole on the outer ring adsorption area;

the second air passage is provided with an air suction port and an air outlet, and the air suction port of the first air passage is communicated with the air hole on the inner ring adsorption area.

Furthermore, the air outlet of the first air passage and the air outlet of the second air passage are respectively detachably provided with an air tap or/and a plug.

Furthermore, the upper surface of the switching station is vertically provided with a positioning bolt, the lower surface of the fixing plate is provided with a positioning pin hole, and the positioning bolt is matched with the positioning hole.

Further, a workpiece positioning hole is formed in the supporting plate and used for positioning the workpiece adsorbed on the sucker.

Furthermore, grooves are respectively arranged on the opposite side surfaces of the base, and the grooves on the two side surfaces are symmetrically arranged along the central plane on the base.

Further, handles are respectively arranged on opposite side surfaces of the base.

Compared with the prior art, the utility model has the beneficial effects that at least:

the vacuum chuck provided by the utility model comprises the base and the chuck component, wherein the base is provided with a plurality of switching stations, the chuck component can be a bolt which is detachable on the switching stations, the chuck component is provided with an inner ring adsorption area and an outer ring adsorption area, and air holes are respectively formed in the inner ring adsorption area and the outer ring adsorption area, so that the inner side and the outer side of a workpiece are adsorbed separately, the isolation area is arranged to effectively avoid through holes in the workpiece, and meanwhile, the vacuum chuck can still adsorb the outer side of the workpiece through the outer ring adsorption area when processing a through groove in the middle of the workpiece, and the adsorption area of the vacuum chuck arranged in this way avoids the processing positions of grooves and holes in the workpiece, so that the adsorption area of the workpiece is increased, and the adsorption force on the workpiece is improved.

Drawings

FIG. 1 is a front view of a vacuum chuck according to the present utility model;

FIG. 2 is a side view of FIG. 1 of the present utility model;

FIG. 3 is an enlarged view of part I of FIG. 2 in accordance with the present utility model;

FIG. 4 is a block diagram of a chuck assembly of the present utility model;

FIG. 5 is a block diagram of a work piece of the present utility model;

FIG. 6 is a cross-sectional structural view of FIG. 5 in accordance with the present utility model;

in the figure: 1. a base; 2. a suction cup assembly; 3. a fixing plate; 4. a support plate; 5. an outer seal ring; 6. an inner seal ring; 7. a spacer ring;

10. a transfer station; 101. a first airway; 102. a second airway; 103. an air tap; 104. a plug; 105. positioning a bolt;

11. a groove; 12. a handle; 13. a workpiece;

21. an outer ring adsorption region; 22. an inner ring adsorption region; 23. air holes; 24. an isolation region;

31. positioning pin holes;

41. a via hole; 42. sealing the groove; 43. and a workpiece positioning hole.

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.

The thin-wall frame plate part is a common part of aerospace products, the shape of the thin-wall frame plate part is a square frame, the middle of the thin-wall frame plate part is hollowed, and through holes and through grooves are distributed between the inner contour and the outer contour of the square frame. The traditional clamping mode is mainly to lap the clamp plate and leave the chuck, finally remove the chuck, clamping efficiency is low and processing is time-consuming and material-consuming. The conventional vacuum chuck also has two problems, namely, the sealing ring is difficult to avoid the through groove and the through hole on the part to enclose a sealing area; and secondly, even if the through groove and the through hole on the part are avoided to form a sealing area, the adsorbable area of the workpiece is not utilized to the maximum extent, so that the vacuum chuck has small adsorption area and low adsorption force on the thin-wall frame plate type part, and the cutting requirement cannot be met.

In order to solve the above problems, the present utility model provides a vacuum chuck, which includes a base 1 and a chuck assembly 2, in combination with fig. 1 and 4, wherein:

the working surface of the base 1 is provided with more than one transfer station 10.

The sucking disc subassembly 2 and switching station 10 correspond to be set up, and sucking disc subassembly 2 corresponds to be set up on corresponding switching station 10, and sucking disc subassembly 2 adsorb area, isolation region 24 and outer lane adsorption area 22 that the multiturn of arranging from outside to inside are provided with to sucking disc subassembly 2's adsorption surface, and inner circle adsorption area 22 and outer lane adsorption area 21 are provided with gas pocket 23 respectively, are provided with the via hole 41 corresponding with the waiting processing hole of work piece in the isolation region 24.

Because the vacuum chuck provided by the utility model comprises the base 1 and the chuck component 2, wherein the base 1 is provided with a plurality of switching stations 10, the chuck component 2 is connected to the corresponding switching stations 10, the chuck component 2 is provided with an inner ring adsorption area 22 and an outer ring adsorption area 21, the inner ring adsorption area 22 and the outer ring adsorption area 21 are respectively provided with air holes 23, so that the inner side and the outer side of a workpiece 13 are adsorbed separately, through holes 41 corresponding to holes to be processed of the workpiece are arranged in the isolation area 24, and meanwhile, when a through groove in the middle of the workpiece 13 is processed, the vacuum chuck can still adsorb the outer side of the workpiece 13 through the outer ring adsorption area 21, and the adsorption area of the vacuum chuck arranged in this way avoids the processing positions of grooves and holes on the workpiece 13, so that the adsorption area of the workpiece 13 is increased, and the adsorption force on the workpiece 13 is improved.

It should be noted that, the shape and size of the chuck assembly 2 are set according to the workpiece 13 to be sucked, so that different transfer stations 10 may be provided with the same chuck assembly 2, or may be provided with different chuck assemblies 2.

In one embodiment, and with reference to fig. 4, the suction cup assembly 2 comprises a fixed plate 3, a support plate 4, a spacer ring 7, an outer seal ring 5 and an inner seal ring 6, wherein:

the fixed plate 3 is fixedly arranged on the transfer station 10 of the base 1 through the fixed plate 3.

The supporting plate 4 is connected and arranged on the upper surface of the fixed plate 3.

The outer seal ring 5 and the inner seal ring 6 are respectively arranged on the upper surface of the support plate 4, the inner seal ring 6 is arranged on the inner side of the outer seal ring 5, and the area formed by the inner seal ring 6 and the outer seal ring 5 is configured as an outer ring adsorption area 21.

The spacer ring 7 is provided on the support plate 4 inside the inner seal ring 6, and the inner region of the spacer ring 7 is configured as an inner ring adsorption region 22.

The sucking disc subassembly 2 in this scheme simple structure, simple to operate form outer lane adsorption area 21 through outer sealing washer 5 and interior sealing washer 6, form inner circle adsorption area 22 through the spacer ring 7 for inner circle adsorption area 22 and outer lane adsorption area 21 are noninterference each other, and then realize that vacuum chuck is to work piece 13's adsorption area, the effect that adsorption affinity is strong.

In one embodiment, referring to fig. 4, the via is located on the support plate, the inner seal ring 6 is located outside the via 41, and the spacer 7 is located inside the via 41. Thus, the inner ring adsorption area 22 and the outer ring adsorption area 21 of the sucker avoid holes to be processed of the workpiece 13, and after the holes to be processed on the workpiece 13 are processed, the holes to be processed cannot influence the adsorption effect of the vacuum sucker on the workpiece 13.

In one embodiment, referring to fig. 4, a sealing groove 42 is formed in the support plate 4, and the spacer ring 7 is disposed in the sealing groove 42, where the spacer ring 7 in this embodiment may be made of rubber material, so that the sealing effect of the spacer ring 7 is better when the spacer ring 7 performs vacuum adsorption on the extruded workpiece 13.

In one embodiment, and with reference to fig. 1, a first air passage 101 and a second air passage 102 are provided in each transfer station 10, wherein:

the first air passage 101 is provided with an air suction port and an air outlet, and the air suction port of the first air passage 101 is communicated with the air holes 23 on the outer ring adsorption area 21;

the second air passage 102 is provided with an air suction port and an air outlet port, and the air suction port of the first air passage 101 communicates with the air hole 23 on the inner ring adsorption region 22. Therefore, the outer ring adsorption area 21 and the inner ring adsorption area 22 are two independent adsorption systems, and can be simultaneously and simultaneously adsorbed in vacuum, and can also be adsorbed in vacuum at different times, so that when the workpiece 13 is processed, the adsorption position of the vacuum chuck on the workpiece 13 can be reasonably selected according to the processing position of the workpiece 13, and the processing of the through groove or the through hole of the workpiece 13 can be completed while the workpiece 13 is adsorbed by the vacuum chuck.

In one embodiment, referring to fig. 1, an air nozzle 103 and/or a plug 104 are detachably disposed at an air outlet of the first air channel 101 and an air outlet of the second air channel 102, respectively. In this way, the air outlet is vacuumized through the air nozzle 103, and meanwhile, the plug 104 can be installed on the air outlet, so that the sealing effect is achieved.

In one embodiment, referring to fig. 2, the upper surface of the transfer station 10 is vertically provided with a positioning pin 105, the positioning pin 105 may be disposed at an edge portion of the transfer station 10, and the lower surface of the fixing plate 3 is provided with a positioning pin hole 31, where the positioning pin hole 31 may be a blind hole or a through hole, and the positioning pin 105 is matched with the positioning pin hole 31, so that the suction cup is accurately mounted on the transfer station 10.

In one embodiment, and with reference to fig. 4, the support plate 4 is provided with workpiece positioning holes 43 for positioning the workpiece 13 sucked on the suction cup. The workpiece positioning hole 43 can be connected with a positioning pin, and the workpiece 13 is inserted into a corresponding positioning hole on the workpiece 13 through the positioning pin, so that the workpiece 13 can be further prevented from moving through the cooperation of the positioning pin and the positioning hole when the side edge of the workpiece 13 is machined.

In one embodiment, referring to fig. 2, opposite sides of the base 1 are respectively provided with grooves 11, and the grooves 11 on both sides are symmetrically arranged along a central plane on the base 1. Thus, the base 1 is placed on a workbench, the base 1 is straightened and aligned, and the side grooves 11 of the base 1 are pressed by the pressing plate, so that the base 1 is fastened and installed.

In one embodiment, the opposite sides of the base 1 are provided with handles 12, respectively, so that the vacuum chuck can be lifted by the handles 12.

The application steps of the vacuum chuck are combined with figures 1-6:

1. the base 1 is placed on a workbench, the base 1 is straightened and aligned, and the side grooves 11 of the base 1 are pressed by the pressing plate, so that the base 1 is fastened and installed.

2. The suction cup assembly 2 is mounted on the transfer station 10, and is aligned with the positioning holes on the suction cup assembly 2 through the positioning pins 105 on the base 1, so that the air holes 23 of the outer ring suction area 21 are communicated with the first air channel 101, and the air holes 23 of the inner ring suction area 22 are communicated with the second air channel 102.

3. Air nozzles 103 are respectively arranged at the air outlets of the first air passage 101 and the second air passage 102, and a vacuum pump pipeline is connected with the two air nozzles 103 on the base 1.

4. The rubber sealing ring is used for filling the surface sealing groove 42 on the sucker, and the outer ring adsorption area 21 and the inner ring adsorption area 22 are enclosed.

5. The workpiece 13 is placed over the chuck.

6. And (3) opening the vacuum pump, and processing the thickness of the workpiece and drilling holes after the barometer is stable.

7. The chips are cleaned, and the positioning bolt 105 is inserted into the workpiece 13 and the sucker to limit the workpiece 13 and prevent the workpiece 13 from moving in the horizontal direction.

8. And (3) processing the inner and outer contours of the workpiece after the step 7 is completed.

9. And controlling the vacuum pump to stop the adsorption of the inner ring adsorption area 22, continuing the adsorption of the outer ring adsorption area 21, and processing the through groove at the middle part of the workpiece.

10. After the processing of the parts is completed, firstly cleaning the chips and the cooling liquid on the workpiece 13, and then closing the valve of the ventilation pipeline of the air tap 103, so that the workpiece can be taken down.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," "third," "fourth," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," "fourth" may explicitly or implicitly include at least one such feature.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vacuum chuck, comprising:

the working face of the base is provided with more than one switching station;

2. A vacuum chuck according to claim 1, wherein the chuck assembly comprises:

a fixing plate;

3. A vacuum chuck according to claim 2, wherein the via is located on the support plate, the inner seal ring is located outside the via, and the spacer ring is located inside the via.

4. A vacuum chuck according to claim 2, wherein the support plate is provided with a sealing groove, and the spacer ring is disposed in the sealing groove.

5. A vacuum chuck according to claim 2, wherein each of said transfer stations has disposed therein:

6. The vacuum chuck of claim 5, wherein the air outlet of the first air passage and the air outlet of the second air passage are respectively detachably provided with an air tap or/and a plug.

7. A vacuum chuck according to claim 2, wherein the upper surface of the transfer station is vertically provided with a positioning pin, the lower surface of the fixing plate is provided with a positioning pin hole, and the positioning pin is matched with the positioning hole.

8. A vacuum chuck according to claim 2, wherein the support plate is provided with workpiece positioning holes for positioning the workpiece attached to the chuck.

9. A vacuum chuck according to claim 1, wherein the opposite sides of the base are provided with grooves, respectively, and the grooves on both sides are symmetrically arranged along a central plane on the base.

10. A vacuum chuck according to claim 1, wherein the opposite sides of the base are provided with handles, respectively.