CN220994267U

CN220994267U - Combined vacuum chuck

Info

Publication number: CN220994267U
Application number: CN202323052325.8U
Authority: CN
Inventors: 邵禹铭; 王彦笑
Original assignee: Nantong Kappinte Intelligent Equipment Co ltd
Current assignee: Nantong Kappinte Intelligent Equipment Co ltd
Priority date: 2023-11-13
Filing date: 2023-11-13
Publication date: 2024-05-24
Anticipated expiration: 2033-11-13

Abstract

The utility model relates to the technical field of vacuum adsorption platforms and discloses a combined vacuum chuck, which comprises a vacuum cavity communicated with a vacuum source, wherein the top surface of the vacuum cavity is provided with a plurality of air holes communicated with the inside of the vacuum cavity, the top surface of the vacuum cavity is divided into a plurality of adsorption unit areas, and each adsorption unit area at least comprises one air hole; the combined vacuum chuck further comprises an adsorption block combination, the adsorption block combination can be detachably arranged at the top of the vacuum cavity, and the adsorption block combination comprises a plurality of adsorption blocks which can form different adsorption working surfaces and are arranged in one-to-one correspondence with the adsorption unit areas.

Description

Combined vacuum chuck

Technical Field

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

Background

Vacuum suction is a conventional means for fixing a workpiece by providing a vacuum chuck on a processing apparatus to fix the workpiece from a bottom surface, so that the processing apparatus can perform processing such as cutting, carving, and the like. The vacuum chuck in the prior art comprises a vacuum cavity connected with a vacuum source pipeline and an adsorption disk which is fixedly connected with the top surface of the vacuum cavity in a threaded manner, and generally, the cross section shape of the adsorption disk is basically the same as that of the vacuum cavity.

For example, a fixed adsorption platform and a movable adsorption platform disclosed in chinese patent application No. CN202223198808.4, entitled "a movable vacuum adsorption apparatus and a working table thereof" both include a vacuum chamber and an adsorption plate fixedly mounted on the top surface of the vacuum chamber. Since the bottom surface of the suction plate has the same size as the bottom surface of the vacuum chamber and is of a fixed size, for example, a single suction stage can only provide suction working surfaces having an area of 140mm x 210 mm. Therefore, the working platform in the scheme cannot effectively adsorb workpieces with the sizes smaller than 300mm multiplied by 300mm, so that the size range of workable workpieces of the processing device is limited.

Disclosure of utility model

In one aspect of the utility model, a combination vacuum chuck is disclosed, comprising a vacuum cavity in communication with a vacuum source, the top surface of the vacuum cavity having an air hole in communication with the interior thereof, the air hole comprising a plurality of air holes dividing the top surface of the vacuum cavity into a plurality of adsorption unit areas, each of the adsorption unit areas comprising at least one of the air holes; the combined vacuum chuck further comprises an adsorption block combination, the adsorption block combination can be detachably arranged at the top of the vacuum cavity, and the adsorption block combination comprises a plurality of adsorption blocks which can form different adsorption working surfaces and are in one-to-one correspondence with the adsorption unit areas.

By means of the structure, through the arrangement of the adsorption block combination, a plurality of adsorption blocks capable of forming different adsorption working surfaces can be arranged and combined to form an actual adsorption working surface suitable for the workpiece according to the shape and the size of the workpiece, so that the size range of the workpiece which can be adsorbed by the combined vacuum chuck is widened, and the universality is strong.

As a preferred embodiment, the adsorption block comprises a connection part detachably mounted on the top of the vacuum cavity and an adsorption disc communicated with the air holes; the connecting portion comprises a plug-in pipe arranged at the bottom of the adsorption disc, the plug-in pipe and the air holes can form sealed plug-in fit, and the plug-in pipe can be communicated with the vacuum cavity and the adsorption disc.

As a preferred embodiment, the top surface of the vacuum cavity is provided with a groove, and the bottom surface of the adsorption disc is provided with a positioning strip matched with the groove.

As a preferred embodiment, the suction block combination includes a first suction block capable of forming a suction working surface equal to an area of the suction unit region, a second suction block capable of forming a suction working surface smaller than the area of the suction unit region, and a closing block capable of closing the air hole.

As a preferred embodiment, the suction block combination further includes a third suction block capable of forming a suction working surface larger than an area of the suction unit region.

As a preferred embodiment, the first adsorption block includes a first adsorption disc, the first adsorption disc is communicated with the vacuum cavity, and includes a bottom surface and a top surface which have the same area as the adsorption unit area, and an adsorption port is formed in the top surface of the first adsorption disc; the second adsorption block comprises a second adsorption disc, the second adsorption disc is communicated with the vacuum cavity and comprises a lower cavity and an upper cavity, the lower cavity is provided with a bottom surface with the same area as that of the adsorption unit area, the upper cavity is provided with a top surface smaller than that of the adsorption unit area, and the top surface of the upper cavity is provided with an adsorption port.

As a preferred embodiment, the top surface of the adsorption block is provided with an adsorption port, and the adsorption port communicates a plurality of sinking grooves formed on the top surface of the adsorption block with the inside of the adsorption block, thereby forming an expanded adsorption port.

As a preferred embodiment, the top surface of the adsorption block is detachably provided with an adsorption cushion, and the adsorption cushion is penetratingly provided with a plurality of long and narrow through holes, and the long and narrow through holes are communicated with the expansion adsorption port.

As a preferred embodiment, the adsorption pad is adhered to the top surface of the adsorption block.

In summary, through the arrangement of the adsorption block combination, the combined vacuum chuck provided by the utility model has a wider adsorbable size range, and can adsorb workpieces with various sizes and specifications, so that the processable size range of a processing device matched with the combined vacuum chuck is improved.

Furthermore, the adsorption block can be conveniently installed and replaced by a plug-in type assembly mode of the plug-in pipe and the air hole; meanwhile, more combination modes can be obtained by rotating the angle of the second adsorption block.

Still further, through the setting of absorption cushion for the vacuum adsorption dish can adapt to the absorption that has the panel of certain deformation, avoids leading to unable effective, stable absorptive problem because of panel deformation.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic view of a combined vacuum chuck according to embodiment 1 of the present application.

Fig. 2 is a schematic structural diagram of a vacuum chamber according to embodiment 1 of the present application.

Fig. 3 is a schematic structural diagram of a first adsorption block in embodiment 1 of the present application.

Fig. 4 is a schematic structural diagram of a second adsorption block according to embodiment 1 of the present application.

Fig. 5 is a schematic structural view of a closing block in embodiment 1 of the present application.

Fig. 6 is a schematic structural view of the combined vacuum chuck according to embodiment 2 of the present application.

Fig. 7 is a schematic view showing a structure of a combined vacuum chuck according to embodiment 3 of the present application.

In the above figures: 100. the vacuum chuck, 110, vacuum chamber, 111, air hole, 112, adsorption unit area, 113, groove, 120, first adsorption block, 121, first connecting part, 122, first adsorption disk, 123, first annular groove, 124, first adsorption port, 125, first positioning strip, 126, first expanded adsorption port, 130, second adsorption block, 131, second connecting part, 132, second adsorption disk, 1321, lower chamber, 1322, upper chamber, 134, second adsorption port, 135, second positioning strip, 136, second expanded adsorption port, 140, closing block, 141, third connecting part, 142, closing disk, 145, third positioning strip, 150, adsorption cushion, 151, narrow long through hole.

Detailed Description

In order to make the technical solution of the present application better understood by those skilled in the art, the technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, shall fall within the scope of the application.

Example 1: referring to fig. 1, a combination vacuum chuck 100 is shown, which includes a vacuum chamber 110, an air hole 111, and an adsorption block combination. Referring to fig. 2, the vacuum chamber 110 is a rectangular metal chamber, and its side is provided with a pipe interface for communicating with an external vacuum source. External vacuum sources are known in the art, for example, vacuum pumps. The air hole 111 is opened at the top surface of the vacuum chamber 110 and communicates with the inside thereof. The top surface of the vacuum cavity of the vacuum adsorption disc in the prior art is provided with 1 air hole, and the embodiment of the application is provided with a plurality of air holes 111, for example, the top surface of the vacuum cavity 110 is provided with 6 air holes 111. The top surface of the vacuum chamber 110 is divided into 6 adsorption unit areas 112 centering on the air holes 111. In this embodiment, the adsorption unit regions 112 have a substantially rectangular shape, and the 6 adsorption unit regions 112 have an equal area, which is 70mm×70mm. Preferably, adjacent adsorption unit regions 112 are spaced apart from each other by grooves 113.

Referring to fig. 3, 4 and 5, the suction block combination includes a plurality of suction blocks capable of forming different suction working surfaces and corresponding one by one to the suction unit regions 112. For example, the adsorption block combination includes a first adsorption block 120 capable of forming an adsorption working surface equal to the area of the adsorption unit region 112, a second adsorption block 130 capable of forming an adsorption working surface smaller than the area of the adsorption unit region, and a closing block 140 capable of closing the air holes.

Specifically, the first adsorption block 120 includes a first connection part 121 for being detachably mounted on the top of the vacuum chamber 110, and a first adsorption tray 122 communicating with the vacuum chamber 110 through the air holes 111. The first connection portion 121 is actually an integrally formed or screwed plug tube installed at the bottom of the suction first attachment plate 122, and the plug tube can communicate the vacuum cavity 110 with the suction plate 122. The pipe wall of the middle section of the plug pipe is provided with a first annular groove 123, a sealing ring is sleeved in the first annular groove 123, so that a sealed plug matching relationship can be formed after the plug pipe is inserted into the air hole 111, and the first adsorption block 120 is detachably arranged at the top of the vacuum cavity 110 through the sealed plug matching. The first adsorption disk 122 is a metal cavity having a substantially rectangular shape and has a bottom surface and a top surface which are the same as the area of the adsorption unit region 112. In this embodiment, the first adsorption tray 122 has a specification of 70mm×70mm×fixed height. The top surface of the first adsorption plate 122 is provided with a first adsorption port 124, and one side of the bottom surface of the first adsorption plate 122 is integrally provided with a first positioning strip 125 matched with the groove 113.

Of course, if necessary, the suction working surface having an area 2 times that of the suction unit region 112 may be obtained by modifying the specification of the first suction tray 122 to 140mm×70mm×height and providing a pair of first connection portions 121 at the bottom of the first suction tray 122.

The second adsorption block 130 includes a second connection part 131 for being detachably installed at the top of the vacuum chamber 110, and a second adsorption tray 132 communicating with the vacuum chamber 110 through the air holes 111. The second connection portion 131 has the same structure as the first connection portion 121. The second adsorption disk 132 has a different structure from the first adsorption disk 122, and includes a lower cavity 1321 and an upper cavity 1322, both of which are rectangular metal cavities. The lower chamber 1321 has a bottom surface identical to the area of the adsorption unit region 112, and the upper chamber 1322 has a top surface smaller than the area of the adsorption unit region 112, both communicating with the bottom of the upper chamber 1322. In this embodiment, the lower cavity 1321 has a gauge of 70mm by 1/2, and the upper cavity 1322 has a gauge of 70mm by 35mm by 1/2. Of course, the upper chamber 1322 may be modified to have a height of 35mm×35mm×1/2, if necessary, and this increases the production cost of the apparatus, but can provide a larger number of combinations of suction surfaces. The top surface of the upper cavity 1322 is provided with a second adsorption port 134, and one side of the bottom surface of the lower cavity 1321 is integrally provided with a second positioning strip 135 matched with the groove 113.

The closing block 140 includes a third connection portion 141 for being detachably mounted on the top of the vacuum chamber 110, and a closing disk 142. The closing disk 142 has a specification of 70mm×70mm×fixed height, and the closing disk 142 is a solid or hollow metal block for closing the air hole 111 in the center of the unused adsorption unit region 112. A third positioning bar 145 is integrally formed on one side of the bottom surface of the closing disk 142 to be matched with the groove 113.

In the description of the present embodiment, the prefixes "first", "second", "third" and different reference numerals are used for the "connection portion", "annular groove", "suction port", "positioning strip" merely for distinguishing the constituent structures belonging to the first suction block 120, the second suction block 130, and the closing block 140, and they are actually the same structures and have the same uses.

The combined vacuum chuck 100 of the present embodiment is formed by combining 2 first suction blocks 120, 2 second suction blocks 130 and 2 closing blocks 140 to form an actual suction working surface, and the required suction working surface is obtained by arranging and combining the above suction blocks 120,130 and closing blocks 140, only one of which is shown in fig. 1.

Example 2: example 2 differs from example 1 in that, referring to fig. 6, the top surfaces of the adsorption blocks 120,130 are opened with adsorption ports 124,134, and the adsorption ports 124,134 communicate a plurality of sinking grooves formed on the top surfaces of the adsorption blocks 120,130 with the inside of the adsorption blocks 120,130, thereby forming expansion adsorption ports 126,136. For example, in the present embodiment, the first extended adsorption port 126 at the top of the first adsorption block 120 has a "king" shape, and the second extended adsorption port 136 at the top of the second adsorption block 130 has an "E" shape.

By expanding the arrangement of the suction ports 126, the effective suction areas of the suction blocks 120,130 can be effectively enlarged, and the suction stability of the combined vacuum chuck 100 can be improved.

Example 3: embodiment 3 is different from embodiment 2 in that, referring to fig. 7, the top surfaces of the adsorption blocks 120,130 are detachably provided with an adsorption pad 150, and a plurality of long and narrow through holes 151 are penetratingly opened on the adsorption pad 150, and the long and narrow through holes 151 communicate with the extended adsorption ports 126, 136.

The adsorption pad 150 may be a sponge pad, a rubber pad, a plastic pad, etc., as long as it has a certain elasticity and toughness. The adsorption pad 150 may be mounted on the top surfaces of the adsorption blocks 126,136 in various manners, and for convenience of installation or replacement, the adsorption pad 150 is a consumable material, so it is preferable that the adsorption pad 150 is adhered on the top surfaces of the adsorption blocks 126, 136.

Meanwhile, in some cases where the closing block 140 is used, it is also necessary to provide an adsorption cushion 150 on the top surface of the closing block 140 so that the height of the closing block 140 is the same as the height of the adsorption blocks 126, 136. Since the width of the workpiece actually sucked is slightly larger than that of the suction working surface, the closing blocks 140 having the same height can ensure that the workpiece is sufficiently supported.

The foregoing description is for purposes of illustration and is not intended to be limiting. Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the applicant be deemed to have such subject matter not considered to be part of the subject matter of the disclosed application.

Claims

1. A combination vacuum chuck comprising a vacuum chamber in communication with a vacuum source, the top surface of the vacuum chamber having an air vent in communication with the interior thereof, wherein the air vent comprises a plurality of air vents dividing the top surface of the vacuum chamber into a plurality of adsorption unit areas, each of the adsorption unit areas comprising at least one of the air vents; the combined vacuum chuck further comprises an adsorption block combination, the adsorption block combination can be detachably arranged at the top of the vacuum cavity, and the adsorption block combination comprises a plurality of adsorption blocks which can form different adsorption working surfaces and are arranged in one-to-one correspondence with the adsorption unit areas.

2. The combination vacuum chuck of claim 1, wherein the suction block comprises a connection portion detachably mounted on the top of the vacuum chamber, a suction plate in communication with the air holes; the connecting portion comprises a plug-in pipe arranged at the bottom of the adsorption disc, the plug-in pipe and the air holes can form sealed plug-in fit, and the plug-in pipe can be communicated with the vacuum cavity and the adsorption disc.

3. The combination vacuum chuck of claim 2, wherein the top surface of the vacuum chamber has a recess and the bottom surface of the chuck has a locating bar that mates with the recess.

4. The combination vacuum chuck of claim 1, wherein the suction block combination comprises a first suction block capable of forming a suction working surface equal to an area of the suction unit area, a second suction block capable of forming a suction working surface smaller than the area of the suction unit area, and a closing block capable of closing the air hole.

5. The composite vacuum chuck of claim 4, wherein the suction block assembly further comprises a third suction block capable of forming a suction working surface greater than an area of the suction unit area.

6. The combination vacuum chuck of claim 4, wherein the first suction block comprises a first suction plate, the first suction plate is communicated with the vacuum cavity and comprises a bottom surface and a top surface which are the same as the area of the suction unit area, and a suction port is formed in the top surface of the first suction plate; the second adsorption block comprises a second adsorption disc, the second adsorption disc is communicated with the vacuum cavity and comprises a lower cavity and an upper cavity, the lower cavity is provided with a bottom surface with the same area as that of the adsorption unit area, the upper cavity is provided with a top surface smaller than that of the adsorption unit area, and the top surface of the upper cavity is provided with an adsorption port.

7. The combination vacuum chuck of claim 1, wherein the top surface of the suction block is provided with a suction port communicating a plurality of sinking grooves formed on the top surface of the suction block with the inside of the suction block, thereby forming an expanded suction port.

8. The combination vacuum chuck of claim 7, wherein the top surface of the suction block is detachably provided with a suction cushion, the suction cushion being penetratingly provided with a plurality of elongated through holes, the elongated through holes being in communication with the extended suction port.

9. The combination vacuum chuck of claim 8, wherein the suction pad is adhered to the top surface of the suction block.