CN215147097U

CN215147097U - CNC vacuum chuck

Info

Publication number: CN215147097U
Application number: CN202121579582.5U
Authority: CN
Inventors: 曾宪宠
Original assignee: Qingxian Tongyida Machinery Co ltd
Current assignee: Qingxian Tongyida Machinery Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-14
Anticipated expiration: 2031-07-13

Abstract

The utility model relates to a vacuum chuck technical field just discloses a CNC vacuum chuck, including the workstation with install the vacuum chuck at the workstation upper surface, the positive mid-mounting of vacuum chuck has the sliding valve that is used for vacuum chuck to open and close, the seal groove that is used for installing the sealing strip is offered to the vacuum chuck upper surface, the vacuum chuck upper surface is offered the multiunit and is used for the supplementary M8 screw hole of clamping, four group's absorption holes have been offered at vacuum chuck upper surface middle part. This CNC vacuum chuck blows off the device through setting up for the air pump blows to the vacuum chuck upper surface through blowpipe and blowing head, and then blows away the cutting fluid of vacuum chuck upper surface and weather, thereby has further improved the device and to the clearance effect of cutting fluid, inhales the device through setting up magnetism, makes magnetism inhale the piece and adsorb the iron fillings of vacuum chuck upper surface under the effect of electro-magnet, thereby has improved the device to the effect of cleaing away of cutting iron fillings.

Description

CNC vacuum chuck

Technical Field

The utility model relates to a vacuum chuck technical field specifically is a CNC vacuum chuck.

Background

CNC numerical control machining center vacuum chuck anchor clamps that now use mainly used part blank is the high efficiency processing of materials such as aluminum plate, copper, plastic slab, and vacuum chuck anchor clamps mainly used yielding part can guarantee form and position tolerance such as part depth of parallelism plane degree, and relative traditional machining method, vacuum chuck has the characteristics that the clamping is dismantled conveniently, production efficiency is high, prior art vacuum chuck in the course of working, can persist a lot of pieces on the vacuum chuck to influence the processing of follow-up work piece.

For example, chinese patent application nos.: 201721408466.0, a CNC machining center vacuum chuck clamp substantially as described herein: the method comprises the following steps: the vacuum suction cup comprises a suction cup, a fixing bolt, a sealing rubber strip, a supporting protrusion, an air pipe connector, a vacuum pump switch, a vacuum meter, an air hole, an air passage, a placing groove, an air pipe and a three-way pipe, wherein the supporting protrusion is arranged in the suction cup and is connected with a lower disc in a fixing mode; an air hole is formed in the middle of the supporting protrusion; two air passages are arranged in the supporting protrusion, and the two air passages are intersected in the air hole and connected with the inside of the supporting protrusion; a placing groove is formed in the outer side of the periphery of the supporting protrusion; a sealing rubber strip is arranged in the placing groove and connected with the placing groove in an embedding mode; the utility model discloses an improvement in structure has the advantage that the holding is firm, adjust adsorption dimension, simple operation, practicality are strong at will to effectual problem and not enough of having solved existence in the current device, but the device is difficult to clear up the processing piece, thereby influences the processing of follow-up work piece.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a CNC vacuum chuck has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a CNC vacuum chuck comprises a workbench and a vacuum chuck arranged on the upper surface of the workbench, wherein a slide valve for opening and closing the vacuum chuck is arranged in the middle of the front surface of the vacuum chuck, a sealing groove for installing a sealing strip is formed in the upper surface of the vacuum chuck, a plurality of groups of M8 threaded holes for clamping assistance are formed in the upper surface of the vacuum chuck, four groups of adsorption holes are formed in the middle of the upper surface of the vacuum chuck, a placing cabinet is fixedly connected to the lower surface of the workbench, an electric sliding table is fixedly connected to the rear side of the upper surface of the workbench, a moving plate is fixedly connected to the output end of the electric sliding table through four groups of first curved rods, a blowing device, a magnetic adsorption device, a cleaning device and a dust collection device are sequentially arranged on the lower surface of the moving plate from the right side to the left side, the blowing device comprises a blowing pipe and a plurality of blowing heads communicated with the outer surface of the blowing pipe, and the left and right sides of the outer surface of the blowing pipe are fixedly connected with the upper surface of the moving plate through first connecting block, the magnetic suction device comprises a magnetic suction block, six groups of electromagnets are fixedly connected to the upper surface of the magnetic suction block, four corners of the upper surface of the magnetic suction block are fixedly connected with the upper surface of the movable plate through connecting rods, the cleaning device comprises a brush plate, a plurality of groups of brushes are fixedly connected to the lower surface of the brush plate, three groups of sliding blocks are fixedly connected to the upper surface of the brush plate, two groups of sliding rods are slidably inserted into the front of each sliding block, the front side and the back side of the outer surface of each sliding rod are fixedly connected with the lower surface of the movable plate through second connecting blocks, springs are sleeved on the back side of the outer surface of each sliding rod, a driving motor is fixedly connected to the upper surface of the movable plate through a motor connecting plate, a cam is fixedly connected to the output end of the driving motor, the dust collection device comprises a dust collection cover, three groups of branch pipes are inserted into the lower surface of the movable plate, and the bottoms of the branch pipes are communicated with the upper surface of the dust collection cover, the utility model discloses a cabinet, including branch pipe, collection box, air pump, blowpipe, movable plate, bellows, the branch pipe top intercommunication has the dust absorption pipe, the left side of placing cabinet bottom inner wall is provided with the collection box, collection box inner wall sliding connection has the recovery box, it is provided with the filter screen to retrieve the box right flank, the right flank of collection box and the air exhauster intercommunication of fixing at placing cabinet bottom inner wall, the positive fixedly connected with handle of recovery box, the collection box upper surface is through the rear end intercommunication of first hose with the dust absorption pipe, place cabinet bottom inner wall middle part fixedly connected with air pump, the output of air pump passes through the rear end intercommunication of second hose with the blowpipe, the movable plate openly is through installing two sets of second curved bars fixedly connected with backup pads, the equal fixedly connected with in four corners of backup pad lower surface advances the wheel.

Preferably, the middle part of the front surface of the brush plate is fixedly connected with a contact wheel, and the front end of the contact wheel is clung to the rear side of the outer surface of the cam.

Preferably, the back of the motor connecting plate is fixedly connected with two groups of reinforcing ribs, and the lower surfaces of the reinforcing ribs are fixedly connected with the upper surface of the moving plate.

Preferably, the outer surface of the sliding rod is provided with a lubricating grease layer, and the thickness of the lubricating grease layer on the outer surface of the sliding rod is zero two to five millimeters.

Preferably, the lower surface of the recovery box is fixedly connected with two sets of T-shaped sliding strips, and the inner wall of the bottom of the recovery box is provided with a T-shaped sliding groove matched with the T-shaped sliding strips.

Preferably, the moving plate and the supporting plate are made of aluminum alloy, and the outer surfaces of the moving plate and the supporting plate are subjected to anodic oxidation treatment.

(III) advantageous effects

Compared with the prior art, the utility model provides a CNC vacuum chuck possesses following beneficial effect:

1. this CNC vacuum chuck blows off the device through setting up for the air pump blows to the vacuum chuck upper surface through blowpipe and blowing head, and then blows away the cutting fluid of vacuum chuck upper surface and weather, thereby has further improved the device and to the clearance effect of cutting fluid, inhales the device through setting up magnetism, makes magnetism inhale the piece and adsorb the iron fillings of vacuum chuck upper surface under the effect of electro-magnet, thereby has improved the device to the effect of cleaing away of cutting iron fillings.

2. This CNC vacuum chuck, through setting up cleaning device for reciprocating motion around the brush board is under the effect of cam and spring, and the brush of brush board lower surface brushes the piece of adhesion at the vacuum chuck upper surface, thereby has further improved the device and to the effect of cleaing away of piece, through setting up dust extraction, makes the suction hood absorb the dust and the piece of vacuum chuck upper surface, thereby has further improved the device and to dust and clastic clean efficiency.

3. This CNC vacuum chuck, through the collection box, retrieve the box, filter screen and air exhauster cooperation are used, make the piece of suction hood suction get into through first hose and retrieve inside the box, the filter screen filters the piece, thereby further made things convenient for the user to the clastic recovery work, use through electronic slip table, backup pad and the cooperation of advancing wheel, make electronic slip table can drive the movable plate and advance from a left side to the right side on the vacuum chuck upper surface, thereby further improved the device to vacuum chuck's clean efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the back structure of the present invention;

fig. 3 and 4 are the schematic diagrams of the structure development of the present invention

FIG. 5 is a schematic view of the blowing apparatus of the present invention;

FIG. 6 is a schematic view of the magnetic attraction device of the present invention;

FIG. 7 is a schematic view of the cleaning device of the present invention;

fig. 8 is a schematic view of the structure of the dust suction device of the present invention.

In the figure: 1. a work table; 2. a vacuum chuck; 3. a placing cabinet; 4. an electric sliding table; 5. a first curved bar; 6. moving the plate; 7. a blowing device; 701. blowing a pipe; 702. a blowing head; 703. a first connection block; 8. a magnetic attraction device; 801. a magnetic block; 802. an electromagnet; 803. a connecting rod; 9. a cleaning device; 901. a brush plate; 902. a brush; 903. a slider; 904. a slide bar; 905. a second connecting block; 906. a spring; 10. a dust collection device; 1001. a dust hood; 1002. a branch pipe; 1003. a dust collection pipe; 11. a motor connecting plate; 12. a drive motor; 13. a cam; 14. a recycling bin; 15. a recovery box; 16. a filter screen; 17. an exhaust fan; 18. a handle; 19. a first hose; 20. an air pump; 21. a second hose; 22. a second curved bar; 23. a support plate; 24. a traveling wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a CNC vacuum chuck comprises a workbench 1 and a vacuum chuck 2 arranged on the upper surface of the workbench 1, wherein a slide valve for opening and closing the vacuum chuck 2 is arranged in the middle of the front surface of the vacuum chuck 2, a sealing groove for installing a sealing strip is formed in the upper surface of the vacuum chuck 2, a plurality of groups of M8 threaded holes for assisting clamping are formed in the upper surface of the vacuum chuck 2, four groups of adsorption holes are formed in the middle of the upper surface of the vacuum chuck 2, a placing cabinet 3 is fixedly connected to the lower surface of the workbench 1, an electric sliding table 4 is fixedly connected to the rear side of the upper surface of the workbench 1, the model of the electric sliding table 4 is DNS-SXG150, a moving plate 6 is fixedly connected to the output end of the electric sliding table 4 through four groups of first curved rods 5, a blowing device 7, a magnetic absorption device 8, a cleaning device 9 and a dust suction device 10 are sequentially arranged on the lower surface of the moving plate 6 from the right side to the left side, the blowing device 7 comprises a blow pipe 701 and a plurality of blow heads 702 communicated on the outer surface of the blow pipe 701, the left side and the right side of the outer surface of a blowing pipe 701 are fixedly connected with the upper surface of a moving plate 6 through a first connecting block 703, a magnetic attraction device 8 comprises a magnetic attraction block 801, the upper surface of the magnetic attraction block 801 is fixedly connected with six groups of electromagnets 802, the type of the electromagnet 802 is CNMYE1-P45/30, four corners of the upper surface of the magnetic attraction block 801 are fixedly connected with the upper surface of the moving plate 6 through connecting rods 803, a cleaning device 9 comprises a brush plate 901, the lower surface of the brush plate 901 is fixedly connected with a plurality of groups of brushes 902, the upper surface of the brush plate 901 is fixedly connected with three groups of sliding blocks 903, the front surface of each sliding block 903 is slidably inserted with two groups of sliding rods 904, the front side and the rear side of the outer surface of each sliding rod 904 are fixedly connected with the lower surface of the moving plate 6 through second connecting blocks 905, the rear side of the outer surface of each sliding rod is sleeved with a spring 904, the upper surface of the moving plate 6 is fixedly connected with a driving motor 12 through a mounting motor connecting plate 11, the type of the driving motor 12 is 1LE0001, the output end of the driving motor 12 is fixedly connected with the cam 13, the dust collection device 10 comprises a dust hood 1001, the lower surface of the moving plate 6 is inserted with three groups of branch pipes 1002, the bottom ends of the branch pipes 1002 are communicated with the upper surface of the dust hood 1001, the top ends of the branch pipes 1002 are communicated with a dust collection pipe 1003, the left side of the inner wall of the bottom of the placing cabinet 3 is provided with a recovery box 14, the inner wall of the recovery box 14 is connected with a recovery box 15 in a sliding manner, the right side of the recovery box 15 is provided with a filter screen 16, the right side of the recovery box 14 is communicated with an exhaust fan 17 fixed on the inner wall of the bottom of the placing cabinet 3, the type of the exhaust fan 17 is HF-100S, the front side of the recovery box 15 is fixedly connected with a handle 18, the upper surface of the recovery box 14 is communicated with the rear end of the dust collection pipe 1003 through a first hose 19, the middle part of the inner wall of the bottom of the placing cabinet 3 is fixedly connected with an air pump 20, the type of the air pump 20 is 2X800W-50L, the output end of the air pump 20 is communicated with the rear end of the blow pipe 701 through a second hose 21, the front surface of the moving plate 6 is fixedly connected with a supporting plate 23 by installing two groups of second curved bars 22, four corners of the lower surface of the supporting plate 23 are fixedly connected with traveling wheels 24, by arranging a blowing device 7, an air pump 20 blows air to the upper surface of the vacuum chuck 2 through a blowing pipe 701 and an air blowing head 702, and then blows cutting fluid on the upper surface of the vacuum chuck for drying, so that the cleaning effect of the device on the cutting fluid is further improved, by arranging a magnetic suction device 8, a magnetic suction block 801 adsorbs iron chips on the upper surface of the vacuum chuck 2 under the action of an electromagnet 802, so that the cleaning effect of the device on the cutting iron chips is improved, by arranging a cleaning device 9, the brush plate 901 reciprocates back and forth under the action of a cam 13 and a spring 906, a brush 902 on the lower surface of the brush plate 901 brushes the chips adhered on the upper surface of the vacuum chuck 2, so that the cleaning effect of the device on the chips is further improved, through setting up dust extraction 10, make suction hood 1001 absorb the dust and the piece of 2 upper surfaces of vacuum chuck, thereby further improved the device to dust and clastic clean efficiency, through collection box 14, retrieve box 15, filter screen 16 and air exhauster 17 cooperation use, make the piece of suction hood 1001 suction get into through first hose 19 and retrieve inside box 15, filter screen 16 filters the piece, thereby further made things convenient for the user to clastic recovery work, through electronic slip table 4, backup pad 23 and advancing wheel 24 cooperation use, make electronic slip table 4 can drive movable plate 6 and advance from a left side to the right side at 2 upper surfaces of vacuum chuck, thereby further improved the device to 2 clean efficiency of vacuum chuck.

The utility model discloses in, for the stability of further improvement brush board 901 motion, consequently at the positive middle part fixedly connected with contact wheel of brush board 901, the front end of contact wheel is hugged closely with cam 13's surface rear side to make brush board 901 pass through contact wheel and cam 13 rolling contact, thereby further improved the stability of brush board 901 motion.

The utility model discloses in, for the stability that further improves motor connecting plate 11 and support, consequently at the two sets of strengthening ribs of the back fixedly connected with of motor connecting plate 11, the lower surface of strengthening rib is connected with the last fixed surface of movable plate 6 for two sets of strengthening ribs have played the effect of stabilizing the support to motor connecting plate 11, thereby have further improved the stability that motor connecting plate 11 supported.

The utility model discloses in, for the stability of further reinforcing sliding block 903 motion, consequently be provided with the grease layer at the surface of slide bar 904, the thickness on the grease layer of slide bar 904 surface is two five millimeters at zero to reduce the frictional force between sliding block 903 and the slide bar 904, thereby further reinforcing the stability of sliding block 903 motion.

The utility model discloses in, retrieve the stability of box 15 motion for further reinforcing, consequently retrieve box 15 lower fixed surface be connected with two sets of T shape draw runner, 14 bottom inner walls of collection box set up with the T shape spout of T shape draw runner looks adaptation, through T shape draw runner and the cooperation of T shape spout to the stability of retrieving box 15 motion has further been strengthened.

The utility model discloses in, for further reinforcing the device's rust resistance, consequently the material of movable plate 6 and backup pad 23 is the aluminum alloy, and anodic oxidation treatment is all done to the surface of movable plate 6 and backup pad 23, through the material setting to the device to the rust resistance of the device has further been strengthened.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the vacuum cleaner is used, after machining, a plurality of chippings and cutting fluid are generated on the upper surface of the vacuum chuck 2, the electric sliding table 4 is started, the electric sliding table 4 drives the moving plate 6 to move rightwards, the air pump 20 and the air pump 20 are started to blow air to the upper surface of the vacuum chuck 2 through the second hose 21, the blow pipe 701 and the blow head 702, then the cutting fluid on the upper surface of the vacuum chuck is blown away for drying, the electromagnet 802 is started, the magnetic attraction block 801 adsorbs iron chips on the upper surface of the vacuum chuck 2 under the action of the electromagnet 802, the driving motor 12 is started, the output end of the driving motor 12 drives the cam 13 to rotate, the cam 13 is matched with the spring 906 to drive the brush plate 901 to reciprocate back and forth, the brush 902 on the lower surface of the brush plate 901 brushes the chippings adhered to the upper surface of the vacuum chuck 2, the exhaust fan 17 is started, negative pressure is generated inside the recovery box 14, and the dust and chippings on the upper surface of the vacuum chuck 2 are sucked out by the dust suction cover 1001, inside the piece of suction hood 1001 suction got into through first hose 19 and retrieves box 15, filter screen 16 filtered the piece, and after the cleanness was finished, pulling handle 18 will retrieve box 15 and pull out, and then retrieve the piece.

To sum up, this CNC vacuum chuck through setting up blowing device 7 for air pump 20 blows to vacuum chuck 2 upper surface through blowpipe 701 and blowhead 702, and then blows away the cutting fluid of vacuum chuck upper surface and weather, thereby has further improved the device and to the clearance effect of cutting fluid, through setting up magnetism device 8, makes magnetism piece 801 adsorb the iron fillings of vacuum chuck 2 upper surface under the effect of electro-magnet 802, thereby has improved the device to the effect of cleaing away of cutting iron fillings.

This CNC vacuum chuck, through setting up cleaning device 9 for brush board 901 is reciprocating motion around under cam 13 and spring 906's effect, and brush 902 of brush board 901 lower surface brushes the piece of adhesion at vacuum chuck 2 upper surface, thereby has further improved the device to the clear effect of piece, through setting up dust extraction 10, makes suction hood 1001 suck the dust and the piece of vacuum chuck 2 upper surface, thereby has further improved the device to dust and clastic clean efficiency.

This CNC vacuum chuck, through collection box 14, retrieve box 15, filter screen 16 and air exhauster 17 cooperation are used, make the piece of suction hood 1001 suction get into through first hose 19 and retrieve inside box 15, filter screen 16 filters the piece, thereby further made things convenient for the user to the recovery work of piece, through electronic slip table 4, backup pad 23 and the cooperation of advancing wheel 24 use, make electronic slip table 4 can drive movable plate 6 and advance from a left side to the right side on vacuum chuck 2, thereby further improved the device to vacuum chuck 2 clean efficiency.

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

Claims

1. The utility model provides a CNC vacuum chuck, includes workstation (1) and installs vacuum chuck (2) at workstation (1) upper surface, the positive mid-mounting of vacuum chuck (2) has the sliding valve that is used for vacuum chuck (2) to open and close, vacuum chuck (2) upper surface offers the seal groove that is used for the installation sealing strip, vacuum chuck (2) upper surface has seted up the multiunit and has been used for the supplementary M8 screw hole of clamping, vacuum chuck (2) upper surface middle part has seted up four groups and has adsorbed the hole, its characterized in that: the cleaning device is characterized in that a placing cabinet (3) is fixedly connected to the lower surface of the workbench (1), an electric sliding table (4) is fixedly connected to the rear side of the upper surface of the workbench (1), a moving plate (6) is fixedly connected to the output end of the electric sliding table (4) through four groups of first curved rods (5), a blowing device (7), a magnetic suction device (8), a cleaning device (9) and a dust suction device (10) are sequentially installed on the lower surface of the moving plate (6) from the right side to the left side, the blowing device (7) comprises a blowing pipe (701) and a plurality of groups of blowing heads (702) communicated with the outer surface of the blowing pipe (701), the left side and the right side of the outer surface of the blowing pipe (701) are fixedly connected with the upper surface of the moving plate (6) through first connecting blocks (703), the magnetic suction device (8) comprises magnetic suction blocks (801), and six groups of electromagnets (802) are fixedly connected to the upper surface of the magnetic suction blocks (801), four corners of the upper surface of the magnetic suction block (801) are fixedly connected with the upper surface of the moving plate (6) through connecting rods (803), the cleaning device (9) comprises a brush plate (901), a plurality of groups of brushes (902) are fixedly connected with the lower surface of the brush plate (901), three groups of sliding blocks (903) are fixedly connected with the upper surface of the brush plate (901), two groups of sliding rods (904) are inserted in the front of the sliding blocks (903) in a sliding mode, the front side and the rear side of the outer surface of each sliding rod (904) are fixedly connected with the lower surface of the moving plate (6) through second connecting blocks (905) in a sleeved mode, springs (906) are sleeved on the rear side of the outer surface of each sliding rod (904), the upper surface of the moving plate (6) is fixedly connected with a driving motor (12) through a motor connecting plate (11), the output end of each driving motor (12) is fixedly connected with a cam (13), and the dust collection device (10) comprises a dust collection cover (1001), the lower surface of the movable plate (6) is spliced with three groups of branch pipes (1002), the bottom ends of the branch pipes (1002) are communicated with the upper surface of a dust hood (1001), the top ends of the branch pipes (1002) are communicated with a dust suction pipe (1003), a recovery box (14) is arranged on the left side of the inner wall of the bottom of the placing cabinet (3), the inner wall of the recovery box (14) is connected with a recovery box (15) in a sliding manner, a filter screen (16) is arranged on the right side of the recovery box (15), the right side of the recovery box (14) is communicated with an exhaust fan (17) fixed on the inner wall of the bottom of the placing cabinet (3), a handle (18) is fixedly connected to the front side of the recovery box (15), the upper surface of the recovery box (14) is communicated with the rear end of the dust suction pipe (1003) through a first hose (19), an air pump (20) is fixedly connected to the middle part of the inner wall of the bottom of the placing cabinet (3), and the output end of the air pump (20) is communicated with the rear end of a blow pipe (701) through a second hose (21), the front surface of the moving plate (6) is fixedly connected with a supporting plate (23) through two groups of second bent levers (22), and four corners of the lower surface of the supporting plate (23) are fixedly connected with traveling wheels (24).

2. The CNC vacuum chuck according to claim 1, characterized in that: the middle part of the front surface of the brush plate (901) is fixedly connected with a contact wheel, and the front end of the contact wheel is clung to the rear side of the outer surface of the cam (13).

3. The CNC vacuum chuck according to claim 1, characterized in that: the back of the motor connecting plate (11) is fixedly connected with two groups of reinforcing ribs, and the lower surfaces of the reinforcing ribs are fixedly connected with the upper surface of the moving plate (6).

4. The CNC vacuum chuck according to claim 1, characterized in that: the outer surface of the sliding rod (904) is provided with a lubricating grease layer, and the thickness of the lubricating grease layer on the outer surface of the sliding rod (904) is two to five millimeters at zero.

5. The CNC vacuum chuck according to claim 1, characterized in that: the lower surface of the recovery box (15) is fixedly connected with two sets of T-shaped sliding strips, and the inner wall of the bottom of the recovery box (14) is provided with a T-shaped sliding groove matched with the T-shaped sliding strips.

6. The CNC vacuum chuck according to claim 1, characterized in that: the moving plate (6) and the support plate (23) are made of aluminum alloy, and the outer surfaces of the moving plate (6) and the support plate (23) are subjected to anodic oxidation treatment.