CN218582045U - Porous vacuum chuck with broken hole automatic closing function - Google Patents
Porous vacuum chuck with broken hole automatic closing function Download PDFInfo
- Publication number
- CN218582045U CN218582045U CN202223288116.9U CN202223288116U CN218582045U CN 218582045 U CN218582045 U CN 218582045U CN 202223288116 U CN202223288116 U CN 202223288116U CN 218582045 U CN218582045 U CN 218582045U
- Authority
- CN
- China
- Prior art keywords
- groove part
- groove
- vacuum chuck
- movable cylinder
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
The utility model relates to the technical field of porous vacuum chucks, in particular to a porous vacuum chuck with a function of automatically closing broken holes, which comprises a first plate seat and a second plate seat arranged on the lower side of the first plate seat; a plurality of adsorption holes are formed in the first plate seat, the adsorption holes are divided into a first groove part, a second groove part and a third groove part from top to bottom, the bottom end of the second groove part is supported by a movable cylinder through a spring, the lower end of the movable cylinder is an opening, and the side end of the movable cylinder, close to the top plate, is provided with an air guide hole; the intercommunication chamber has been seted up to the upside of second plate holder, and two pumping channel have been seted up to the lateral wall in intercommunication chamber, and the outer end of two pumping channel is installed respectively and is connect trachea and manometer installation pipe. The utility model discloses can adsorb a plurality of products simultaneously, the processing position can be put wantonly, and the adsorption hole that corresponds the position behind the broken hole of processing position is automatic closed, can not cause the product to remove and lead to the product to scrap because of leaking gas, and the commonality is strong, has improved product clamping-force and clamping stability.
Description
Technical Field
The utility model relates to a porous vacuum chuck technical field especially relates to a porous vacuum chuck with broken hole automatic closing function.
Background
The sheet parts are generally poor in rigidity, low in strength and high in precision, deformation and chatter marks are easily generated in the machining process, and the machining quality of the parts is difficult to guarantee. When milling a flat surface, the conventional machining method is to clamp the side of the part with a vise. The clamping force is large, and parts are easy to deform; the clamping force is small, and parts are easy to fly out, so that products are scrapped and even the personal safety of operators is threatened. If the pressing plate or the screw is used for pressing the part to mill the plane, the pressing plate needs to be turned once, the flatness of the part is difficult to guarantee, the small-sized sheet part cannot be realized, and the problem is well solved by the application of the vacuum chuck.
Traditional vacuum chuck comprises bottom plate 1 ', gas tank 2 ', seal groove 3 ', locating pin 4 ', air pipe connector 5 ' etc. has some weak points during its use: 1) A sealing ring is required to be installed on a traditional vacuum sucker, and the sealing ring is a quick-wear part and needs to be replaced frequently; 2) The requirement for the sealing groove 3 'on the traditional vacuum sucker is high, the sealing ring needs to protrude out of the surface of a tool after being installed, a product cannot be tightly sucked when the protrusion is too many, and air leakage is easy to occur around the sealing groove 3' when the protrusion is too low. 3) The shape of the sealing groove 3' needs to be arranged according to the shape of a product, and vacuum needs to be formed in the air channel, so that air leakage cannot occur. And each product needs to be provided with a special sucking disc, so that the universality is poor, and the manufacturing cost of the clamp is high.
Accordingly, there is a need for improved and optimized conventional vacuum chuck configurations.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the conventional art, provide a porous vacuum chuck with broken hole automatic closure function.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a porous vacuum chuck with a broken hole automatic closing function comprises a first plate seat and a second plate seat arranged on the lower side of the first plate seat;
the first plate seat is internally provided with a plurality of adsorption holes, the adsorption holes are divided into a first groove part, a second groove part and a third groove part from top to bottom, the diameters of the three groove parts are gradually reduced from top to bottom, the bottom end of the second groove part is supported by a movable cylinder through a spring, the lower end of the movable cylinder is provided with an opening, and the side end of the movable cylinder, close to the top plate, is provided with an air guide hole;
the upper side of the second plate seat is provided with a communicating cavity communicated with the third groove part in each adsorption hole, the side wall of the communicating cavity is provided with two air exhaust channels, and the outer ends of the two air exhaust channels are respectively provided with an air receiving pipe and a pressure gauge installation pipe.
Further, in the porous vacuum chuck having the function of automatically closing the broken hole, central axes of the first groove portion, the second groove portion, and the third groove portion may coincide with each other.
Further, in the above porous vacuum chuck having the function of automatically closing the broken hole, when the first groove portion in the suction hole is closed by the suction object, the movable cylinder is supported by the spring such that the position of the side end air guide hole is higher than the upper port of the second groove portion.
Further, in the above porous vacuum chuck with a function of automatically closing the broken hole, when the first groove portion in the adsorption hole is opened, that is, in a state of breaking the hole, the air receiving pipe is evacuated to make the air pressure of the third groove portion lower than the air pressure of the first groove portion, the movable cylinder overcomes the supporting action of the spring and moves downward under the action of pressure difference, at this moment, the position of the air guide hole is lower than the upper port of the second groove portion, and the third groove portion and the second groove portion are independently sealed.
Further, in the porous vacuum chuck with the function of automatically closing the broken hole, the outer diameter of the movable cylinder is matched with the diameter of the second groove part.
Further, in the above porous vacuum chuck with broken hole automatic closing function, the sealing ring is installed at the bottom end of the second groove portion.
The utility model has the advantages that:
1. the utility model provides a porous vacuum chuck can adsorb a plurality of products simultaneously, and the processing position can be put wantonly, adsorbs the hole and need not all hide, can fretwork processing in the course of working, and the adsorption hole that corresponds the position after the broken hole of processing position is automatic closed, can not lead to the product to scrap because of gas leakage causes the product to remove, and the commonality is strong, has improved product clamping-force and clamping stability.
2. The utility model provides a porous vacuum chuck does not need the sealing strip, and the through-hole of wearing, the processing of being convenient for can mill in the absorption hole in the first plate holder.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a vacuum chuck in the prior art;
FIG. 2 is a schematic structural view of a multi-hole vacuum chuck of the present invention;
FIG. 3 is a schematic view showing a state where the first plate holder adsorbs the product after being evacuated;
FIG. 4 is a schematic view showing a state where no product is adsorbed on the first plate after the first plate is evacuated;
FIG. 5 is a schematic view of the gas path communication between the first and second plate holders of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1-a first plate seat, 101-a first groove part, 102-a second groove part, 103-a third groove part, 104-a spring, 105-a movable cylinder, 106-an air guide hole, 107-a sealing ring, 2-a second plate seat, 201-a communication cavity, 202-an air suction channel, 3-an air connecting pipe and 4-a pressure gauge mounting pipe.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Example one
Referring to fig. 1-5, the present embodiment is a multi-hole vacuum chuck with a function of automatically closing broken holes, which includes a first plate base 1 and a second plate base 2 installed on a lower side of the first plate base. A plurality of adsorption holes are formed in the first plate seat 1, the adsorption holes are divided into a first groove part 101, a second groove part 102 and a third groove part 103 from top to bottom, and the diameters of the three groove parts are gradually reduced from top to bottom. The bottom end of the second slot portion 102 is supported by a movable tube 105 through a spring 104, the inner side of the top plate of the movable tube 105 is connected with the spring 104, the lower end of the movable tube 105 is an opening, and an air guide hole 106 is formed in the side end of the movable tube 105 close to the top plate.
In this embodiment, the communicating chamber 201 communicating with the third groove 103 in each adsorption hole is provided at the upper side of the second plate holder 2, two air-extracting channels 202 are provided at the side wall of the communicating chamber 201, and the air-receiving pipe 3 and the pressure gauge mounting pipe 4 are respectively installed at the outer ends of the two air-extracting channels 202.
In the present embodiment, the center axes of the first groove 101, the second groove 102, and the third groove 103 overlap each other.
In this embodiment, when the first groove 101 of the suction hole is blocked by the suction object, the movable tube 105 has the side end air-guide hole 106 positioned higher than the upper end opening of the second groove 102 by the support of the spring 104. When the first groove part 101 in the adsorption hole is opened, that is, in a broken hole state, the air receiving pipe 3 is pumped to enable the air pressure of the third groove part 103 to be lower than the air pressure of the first groove part 101, the movable cylinder 105 overcomes the supporting effect of the spring 104 under the action of pressure difference and moves downwards to the bottom end to be blocked, at the moment, the position of the air guide hole 106 is lower than the upper end opening of the second groove part 102, and the third groove part 103 and the first groove part 101 are mutually independent and closed.
In this embodiment, the outer diameter of the movable barrel 105 is matched with the diameter of the second groove 102. A seal ring 107 is attached to the bottom end of the second groove 102.
One specific application of this embodiment is: when the first groove 101 in the adsorption hole for placing the product is blocked by the adsorption object, the movable cylinder 105 bounces, the first groove 101 is vacuumed, and the product is tightly adsorbed. When there is no product above the suction hole (when the first slot 101 in the suction hole is open, i.e. in a broken state), the third slot 103 forms a vacuum, the movable cylinder 105 is tightly sucked, and the suction hole does not leak air.
Example two
The present embodiment is different from the first embodiment in that a seal ring 107 is further installed at the bottom end of the second groove 102, and the seal ring 107 is designed to improve the sealing function of the seal ring to separate the first groove 101 from the third groove 103 after contacting the movable cylinder 105.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a porous vacuum chuck with broken hole automatic closure function which characterized in that: comprises a first plate seat and a second plate seat arranged on the lower side of the first plate seat;
the first plate seat is internally provided with a plurality of adsorption holes, the adsorption holes are divided into a first groove part, a second groove part and a third groove part from top to bottom, the diameters of the three groove parts are gradually reduced from top to bottom, the bottom end of the second groove part is supported by a movable cylinder through a spring, the lower end of the movable cylinder is provided with an opening, and the side end of the movable cylinder, close to the top plate, is provided with an air guide hole;
and the upper side of the second plate seat is provided with a communicating cavity communicated with the third groove part in each adsorption hole, the side wall of the communicating cavity is provided with two air exhaust channels, and the outer ends of the two air exhaust channels are respectively provided with an air receiving pipe and a pressure gauge installation pipe.
2. The porous vacuum chuck with the function of automatically closing broken holes as claimed in claim 1, wherein: the central axes of the first groove, the second groove and the third groove are mutually overlapped.
3. The porous vacuum chuck with the function of automatically closing broken holes as claimed in claim 1, wherein: when the first groove part in the adsorption hole is blocked by an adsorption object, the movable cylinder enables the position of the side end air guide hole to be higher than the upper port of the second groove part under the supporting action of the spring.
4. The porous vacuum chuck with the function of automatically closing broken holes as claimed in claim 3, wherein: when the first groove part in the adsorption hole is opened, namely in a broken hole state, the air receiving pipe is pumped out to enable the air pressure of the third groove part to be lower than that of the first groove part, the movable cylinder overcomes the supporting effect of the spring and moves downwards under the action of pressure difference, the position of the air guide hole is lower than the upper port of the second groove part, and the third groove part and the first groove part are mutually independently sealed.
5. The porous vacuum chuck with the function of automatically closing broken holes as claimed in claim 4, wherein: the outer diameter of the movable cylinder is matched with the diameter of the second groove part.
6. The porous vacuum chuck with the function of automatically closing broken holes as claimed in claim 5, wherein: and a sealing ring is arranged at the bottom end of the second groove part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223288116.9U CN218582045U (en) | 2022-12-08 | 2022-12-08 | Porous vacuum chuck with broken hole automatic closing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223288116.9U CN218582045U (en) | 2022-12-08 | 2022-12-08 | Porous vacuum chuck with broken hole automatic closing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218582045U true CN218582045U (en) | 2023-03-07 |
Family
ID=85380099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223288116.9U Active CN218582045U (en) | 2022-12-08 | 2022-12-08 | Porous vacuum chuck with broken hole automatic closing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218582045U (en) |
-
2022
- 2022-12-08 CN CN202223288116.9U patent/CN218582045U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108098412A (en) | One kind exempts from seal modules vacuum fixture | |
| CN218582045U (en) | Porous vacuum chuck with broken hole automatic closing function | |
| CN207930351U (en) | One kind exempting from seal modules vacuum fixture | |
| CN205888658U (en) | Multi -functional vacuum chuck anchor clamps | |
| CN210209570U (en) | Adsorption jig for machining curved surface of notebook computer shell | |
| CN216097597U (en) | Machining tool adopting negative pressure fixation | |
| CN215035448U (en) | Special vacuum chuck special-shaped tool for bottom plate | |
| CN218411606U (en) | Shell airtightness detection tool | |
| CN214292105U (en) | Vacuum clamp for processing plate-shaped product | |
| CN210121814U (en) | Mobile phone film glass jig | |
| CN201098818Y (en) | Double gas circuit vacuum chuck | |
| CN220637610U (en) | Adsorption jig | |
| CN214819858U (en) | Quartz plate class product clamping tool | |
| CN220516563U (en) | Porous vacuum chuck | |
| CN216298636U (en) | Strong sucker clamp for large-scale heavy pressure suction leveling | |
| CN110039467B (en) | Self-sealing vacuum chuck | |
| CN220316538U (en) | Thin vacuum adsorption device | |
| CN221391289U (en) | Tool for foam processing | |
| CN215700001U (en) | Vacuum sucking jig for CNC | |
| CN217317657U (en) | Jig capable of realizing front and back processing | |
| CN210755249U (en) | Miniature internal expanding structure | |
| CN217254703U (en) | Vacuum chuck for fixing large-size thin-wall workpiece | |
| CN217020113U (en) | Vacuum adsorption device | |
| CN216989920U (en) | Airtight chuck of lathe | |
| CN220971565U (en) | Sucking disc type jig for silicon ring machining |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |