CN214924145U

CN214924145U - Vacuum adsorption platform with adjustable adsorption area

Info

Publication number: CN214924145U
Application number: CN202121352909.5U
Authority: CN
Inventors: 胡润平
Original assignee: Shenzhen Junchuang Technology Co ltd
Current assignee: Shenzhen Junchuang Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-30
Anticipated expiration: 2031-06-17

Abstract

The application provides an adsorb regional adjustable vacuum adsorption platform, it includes vacuum plate, screw rod and seal assembly, the vacuum plate include the cavity and with a plurality of gas pockets of cavity intercommunication, the screw rod is at least partially located in the cavity of vacuum plate, the seal assembly cover is located on the screw rod just seal assembly with the inner wall sealing contact of cavity, seal assembly will the evacuation chamber is separated out to the cavity, screw rod rotary drive seal assembly is in remove in order to change in the cavity the size of evacuation chamber. The application provides an adsorption zone adjustable vacuum adsorption platform, its vacuum adsorption zone territory is adjustable to satisfy the adsorption requirement of different appearance products, have better commonality.

Description

Vacuum adsorption platform with adjustable adsorption area

Technical Field

The application relates to the technical field of vacuum adsorption tools, in particular to a vacuum adsorption platform with an adjustable adsorption area.

Background

The vacuum adsorption platform is widely applied to the fields of manufacturing, testing and the like of products. The product is fixed by vacuum adsorption so as to be convenient for operating the product. Different products, its shape, area are different, when adopting same vacuum adsorption platform to adsorb the product of different shapes, can not match because of adsorption zone and product shape, and appear leaking gas, influence adsorption effect. The existing solutions include the following: 1. customizing a vacuum absorption platform aiming at products with different shapes, so that the vacuum absorption platform corresponds to the product with a specific shape; 2. the vacuum adsorption platform is provided with a plurality of independent vacuum adsorption areas so as to be compatible with products in various shapes; 3. a large vacuum adsorption area is designed, and the unused vacuum area is sealed by using an adhesive tape, so that air leakage is avoided. However, in the first method, the vacuum adsorption platform has poor versatility, which adds cost; the second method is also only compatible with products with a plurality of specific shapes, and has no good universality; the third method realizes the adjustability of the vacuum adsorption area, but the operation and the cleaning are troublesome, and the actual vacuum pumping volume is not changed, so that the vacuum pumping efficiency is influenced.

In view of this, the prior art is in need of improvement.

SUMMERY OF THE UTILITY MODEL

The application provides an adsorption zone adjustable vacuum adsorption platform, its vacuum adsorption zone is adjustable to satisfy the adsorption requirement of different appearance products, have better commonality.

The application is realized by the following technical scheme: the utility model provides an adsorb regional adjustable vacuum adsorption platform, includes vacuum plate, screw rod and seal assembly, the vacuum plate include the cavity and with a plurality of gas pockets of cavity intercommunication, the screw rod is at least partially located in the cavity of vacuum plate, the seal assembly cover is located on the screw rod just seal assembly with the inner wall sealing contact of cavity, seal assembly will the cavity is separated out and is taken out the vacuum chamber, screw rod rotary drive seal assembly is in the cavity removes in order to change the size of taking out the vacuum chamber.

As a further improved technical scheme of the application, the sealing assembly comprises an upper cover, a lower cover and an elastic sealing element clamped between the upper cover and the lower cover.

As the further improved technical scheme of this application, upper cover, lower cover and elastic sealing element pass through clamping screw connection, elastic sealing element receives upper cover and lower cover clamp are the outside elastic deformation of inflation of periphery.

As the further improved technical scheme of this application, one the screw rod includes that the screw thread direction of rotation is opposite forward direction screw thread section and reverse direction screw thread section, be equipped with respectively on forward direction screw thread section and the reverse direction screw thread section seal assembly.

As a further improved technical solution of the present application, at least one end of the screw is located outside a side end of the vacuum plate, a screw cover is fixed to the side end of the vacuum plate, and the end of the screw is installed in the screw cover.

As a further improved technical scheme of the application, the outer peripheral surface of the end part of the screw rod is a smooth surface, and an inner polygonal hole is formed in the inner side of the end part of the screw rod.

As the further improved technical scheme of this application, be equipped with the edge on the screw rod cover the locking hole that the tip of screw rod radially runs through, install in the locking hole and support tightly the tip week side of screw rod is in order to pin the locking screw of screw rod.

As a further improved technical scheme, the cavity comprises a plurality of channels which are arranged in parallel, the screw rods are arranged in the channels in a one-to-one correspondence mode, and each screw rod moves independently to be controlled.

As the further improved technical scheme of this application, the vacuum plate include with the evacuation passageway of many passageway intercommunications, evacuation passageway is located each the middle part department of passageway, the one end of evacuation passageway is equipped with the extraction opening.

As the technical scheme of this application further improvement, the screw thread on the screw rod is rotatory along a direction, seal assembly with the screw thread rotatable coupling of screw rod, the vacuum plate with the one end that seal assembly is relative is fixed sealed setting.

The application provides a pair of vacuum adsorption platform of adsorption zone adjustable moves in the cavity of vacuum plate through screw rod rotary drive seal assembly to can change the size of taking out the vacuum chamber, the area of the vacuum adsorption zone that the vacuum chamber corresponds is taken out promptly is adjustable, in order to satisfy the absorption requirement of different appearance products, has better commonality.

Drawings

Fig. 1 is a perspective view of an embodiment of a vacuum chuck table with adjustable chuck area according to the present application.

FIG. 2 is a perspective view of another perspective view of an embodiment of a vacuum chuck table with adjustable suction area according to the present application.

Fig. 3 is a perspective view of a screw and a sealing assembly of an embodiment of the vacuum chuck table with adjustable suction area according to the present application.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

FIG. 5 is a cross-sectional view of an embodiment of the vacuum chuck table with adjustable suction area of the present application.

Fig. 6 is a partially enlarged view at B in fig. 5.

The reference numbers illustrate: 1-vacuum plate; 11-air holes; 12-a chamber; 121-channel; 13-evacuation channels; 2-a screw; 21-a reverse thread segment; 22-a positive thread segment; 23-end portion; 231-inner polygonal hole; 3-a sealing assembly; 31-lower cover; 32-an elastomeric seal; 33-upper cover; 34-a clamping screw; 4-screw rod cover; 41-locking holes; 42-locking screw; 43-set screw.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods according to aspects of the present application.

An embodiment of the vacuum adsorption platform with adjustable adsorption area according to the present application will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 6, a vacuum adsorption platform with adjustable adsorption area provided by the present application includes a vacuum plate 1, a screw 2 and a sealing assembly 3. The vacuum plate 1 comprises a cavity 12 and a plurality of air holes 11 communicated with the cavity 12, the screw 2 is at least partially positioned in the cavity 12 of the vacuum plate 1, the sealing component 3 is sleeved on the screw 2, the sealing component 3 is in sealing contact with the inner wall of the cavity 12, the cavity 12 is divided into vacuum pumping cavities by the sealing component 3, and the screw 2 drives the sealing component 3 to move in the cavity 12 in a rotating mode so as to change the size of the vacuum pumping cavities.

Referring to fig. 1 and 2, the vacuum plate 1 is a plate body having a certain thickness, so that the vacuum plate 1 has a space therein to form the chamber 12. In this embodiment, the chamber 12 includes a plurality of channels 121 disposed in parallel, the channels 121 are communicated with each other through a vacuum channel 13, the extending direction of the vacuum channel 13 is perpendicular to the extending direction of the channels 121, the vacuum channel 13 is located at the middle portion of each channel 121, and one end of the vacuum channel 13 is provided with an air exhaust port.

Referring to fig. 3 to 6, one screw 2 is disposed in each of the channels 121, the plurality of screws 2 are disposed in the plurality of channels 121 in a one-to-one correspondence, and the movement of each screw 2 is independently controlled. Therefore, adsorption areas with various shapes and areas can be formed to meet the adsorption requirements of products with different shapes. In the present embodiment, each of the screws 2 includes a forward thread section 22 and a reverse thread section 21 with opposite thread rotation directions, and the sealing assembly 3 is disposed on each of the forward thread section 22 and the reverse thread section 21. The screw 2 comprises a forward thread section 22 and a reverse thread section 21, and when the screw 2 rotates, the two sealing assemblies 3 sleeved on the corner of the eye forward thread section 22 and the reverse thread section 21 move in opposite directions, namely, move towards each other or move away from each other, so that the area of an evacuation cavity enclosed between the two sealing assemblies 3 is reduced or enlarged.

Please refer to fig. 4, at least one end 23 of the screw 2 is located outside the side end of the vacuum plate 1, a screw cover 4 is fixed on the side end of the vacuum plate 1, and the end 23 of the screw 2 is installed in the screw cover 4. The screw rod cover 4 comprises a fixing lug and a hollow cylindrical bulge, the screw rod cover 4 is fixed on the side end of the vacuum plate 1 through a fixing screw 43, and the end part 23 of the screw rod is positioned in the cylindrical bulge of the screw rod cover 4. The screw housing 4 is used to provide support and fixation for the screw 2. The outer peripheral surface of the end portion 23 of the screw 2 is a smooth surface to ensure that the screw 2 does not interfere with the cylindrical protrusion of the screw cover 4 when rotating. The inner side of the end portion 23 of the screw rod 2 is provided with an inner polygonal hole 231 for inserting a tool such as a polygonal screwdriver to rotate the screw rod 2. The screw rod cover 4 is provided with a locking hole 41 which radially penetrates through the end part 23 of the screw rod 2, and a locking screw 42 which tightly abuts against the circumferential side of the end part 23 of the screw rod 2 to lock the screw rod 2 is arranged in the locking hole 41. When the screw rod 2 does not need to be rotated, the screw rod 2 is locked by the locking screw 42, and the screw rod 2 is prevented from moving.

In the present embodiment, the screw 2 comprises two screw sections with different thread rotation directions, which can cause the two sealing assemblies 3 to move towards or away from each other, so that the adsorption region formed is located at the central position of the vacuum plate 1. As a modified example, the thread on the screw rod 2 can also rotate only in one direction, the sealing component 3 is rotatably connected with the thread of the screw rod 2, and the end of the vacuum plate 1 opposite to the sealing component 3 is in fixed sealing arrangement. That is, the size of the suction area is adjusted by the unidirectional movement of only one sealing member 3 per screw 2.

Referring to fig. 4 and 6, the sealing assembly 3 includes an upper cover 33, a lower cover 31, and an elastic sealing member 32 interposed between the upper cover 33 and the lower cover 31. The upper cap 33 and the lower cap 31 are relatively hard members having a shape similar to the sectional shape of the passage 121 and a size slightly smaller than the size of the passage 121, and the elastic sealing member 32 is a relatively soft member having a shape similar to the sectional shape of the passage 121 and a size larger than the size of the passage 121 after being elastically deformed. The upper cover 33 and the lower cover 31 are, for example, plastic sheets, and the elastic sealing member 32 is, for example, rubber, silicone, or the like. The upper cover 33, the lower cover 31 and the elastic sealing member 32 are connected by a clamping screw 34, and the elastic sealing member 32 is clamped by the upper cover 33 and the lower cover 31 to be elastically deformed with the periphery expanding outwards so as to be attached to the inner peripheral wall of the channel 121 to realize sealing contact. By adjusting the tightening of the clamping screw 34, the sealing effect of the resilient sealing element 32 can be varied.

The assembly relation and the use process of the vacuum adsorption platform in one embodiment of the application are as follows: the screw rod 2 is positioned in the channel 121 of the vacuum plate 2, two ends of the screw rod 2 are respectively installed in the screw rod cover 4, the screw rod cover 4 limits the axial movement of the screw rod 2, but when the locking screw 42 is not locked, the screw rod cover 4 does not limit the rotation of the screw rod 2; the two sealing components 3 are sleeved on each screw rod 2 through thread matching and are positioned in the channel 121; when the screw rod 2 is rotated, the two sealing assemblies 3 on the screw rod 2 move towards or away from each other, so that the area of the channel 121 between the two sealing members 3 is reduced or enlarged, and the area formed between the two sealing members 3 is the area for forming vacuum adsorption by vacuumizing; according to the requirement, vacuum adsorption areas with different shapes and areas can be formed by adjusting the plurality of screws 2 as above; after the area setting is finished, a vacuumizing machine is adopted to exhaust air through the air exhaust port and the vacuumizing channel 13, and then the product is adsorbed at the arranged vacuum adsorption area through the air hole 11.

As can be seen from the above description of the specific embodiments, the vacuum adsorption platform with adjustable adsorption area provided by the present application includes a vacuum plate 1, a screw 2 and a sealing assembly 3. The vacuum plate 1 comprises a cavity 12 and a plurality of air holes 11 communicated with the cavity 12, the screw 2 is at least partially positioned in the cavity 12 of the vacuum plate 1, the sealing component 3 is sleeved on the screw 2, the sealing component 3 is in sealing contact with the inner wall of the cavity 12, the cavity 12 is divided into vacuum pumping cavities by the sealing component 3, and the screw 2 drives the sealing component 3 to move in the cavity 12 in a rotating mode so as to change the size of the vacuum pumping cavities. The sealing component 3 is rotationally driven by the screw rod 2 to move in the cavity 12 of the vacuum plate 1, so that the size of the vacuum pumping cavity can be changed, namely the area of a vacuum adsorption area corresponding to the vacuum pumping cavity is adjustable, the adsorption requirements of products with different shapes are met, and the sealing component has better universality.

Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.

Claims

1. The utility model provides an adsorption zone adjustable vacuum adsorption platform, its characterized in that includes vacuum plate, screw rod and seal assembly, the vacuum plate include the cavity and with a plurality of gas pockets of cavity intercommunication, the screw rod is at least partly located the cavity of vacuum plate, the seal assembly cover is located on the screw rod and the seal assembly with the inner wall sealing contact of cavity, the seal assembly will the cavity is separated out and is taken out the vacuum chamber, screw rod rotary drive the seal assembly is in the cavity removes in order to change the size of taking out the vacuum chamber.

2. The vacuum adsorption platform of claim 1, wherein the sealing assembly comprises an upper cover, a lower cover, and an elastic sealing member sandwiched between the upper cover and the lower cover.

3. The vacuum adsorption platform with adjustable adsorption area of claim 2, wherein the upper cover, the lower cover and the elastic sealing element are connected by clamping screws, and the elastic sealing element is clamped by the upper cover and the lower cover and elastically deforms with expansion outward in the periphery.

4. The vacuum chuck table of claim 1, wherein one of the screws includes a forward thread section and a reverse thread section with opposite thread rotation directions, and the sealing members are disposed on the forward thread section and the reverse thread section, respectively.

5. The vacuum adsorption platform of claim 4, wherein at least one end of the screw is located outside a side end of the vacuum plate, a screw cover is fixed to the side end of the vacuum plate, and the end of the screw is installed in the screw cover.

6. The vacuum adsorption platform with adjustable adsorption area of claim 5, wherein the outer peripheral surface of the end of the screw is smooth, and the inner side of the end of the screw is provided with an inner polygonal hole.

7. The vacuum adsorption platform with adjustable adsorption area as claimed in claim 5, wherein the screw cover is provided with a locking hole penetrating along the end of the screw in the radial direction, and a locking screw tightly abutting against the periphery of the end of the screw to lock the screw is installed in the locking hole.

8. The vacuum adsorption platform of any one of claims 1 to 7, wherein the chamber comprises a plurality of channels arranged in parallel, the screws are arranged in the channels in a one-to-one correspondence, and the movement of each screw is independently controlled.

9. The vacuum adsorption platform of claim 8, wherein the vacuum plate comprises a vacuum channel in communication with the plurality of channels, the vacuum channel being located at a central portion of each of the plurality of channels, and a suction port being formed at one end of the vacuum channel.

10. The vacuum adsorption platform of claim 1, wherein the screw has a thread that rotates in one direction, the sealing assembly is rotatably connected to the thread of the screw, and the vacuum plate is in a fixed sealing arrangement with an end opposite to the sealing assembly.