CN2713189Y - Combined vacuum generator - Google Patents
Combined vacuum generator Download PDFInfo
- Publication number
- CN2713189Y CN2713189Y CN 200420037413 CN200420037413U CN2713189Y CN 2713189 Y CN2713189 Y CN 2713189Y CN 200420037413 CN200420037413 CN 200420037413 CN 200420037413 U CN200420037413 U CN 200420037413U CN 2713189 Y CN2713189 Y CN 2713189Y
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- CN
- China
- Prior art keywords
- vacuum generator
- housing
- nozzle
- air
- inner chamber
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- Expired - Lifetime
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Abstract
The utility model discloses a combined vacuum generator, comprising a first body and a vacuum generator arranged in the first body. The vacuum generator comprises a nozzle and a diverging tube which are arranged at the same shaft line. The nozzle and the diverging tube are all heavy members and are all arranged in the first body in dismountable way. The combined vacuum generator also comprises a regulating valve in a second body used to regulate the inlet gas pressure. The utility model combines the regulating valve with the vacuum generator, which can achieve that the system uses the uniform air supply to supply the air and satisfy the request of each actuator, so the air supply system is simplified. The vacuum generator can be in the optimum regime by regulating the regulating valve, and the body and the end cover are made of light alloy materials to relieve the complete machine weight. The nozzle, the diverging tube and the body adopt the uniform installation dimension, which achieves the module design and resolves the problems of standardization and module production.
Description
(1) technical field
The utility model relates to a kind of combination vacuum generator, relates in particular to the combination vacuum generator of the modular reconfigurable with adjusting and stable suction pressure function.
(2) background technique
Present improving constantly along with the industrial automation level, vacuum generator and vacuum chuck have obtained using widely in automated manufacturing production line, the transfer lines of assembling, storehouse management and the robot of industries such as auto manufacturing, household electric appliance manufacturing industry, glass work, plastic part manufacturing industry, as all having adopted a large amount of vacuum generators and vacuum chuck on the automatic control lines such as the washing machine transfer lines of assembling, automatic press line, automobile assembling automatic control line.Because the requirement beat is short when work, speed of response is fast for automatic control line and robot, it is fast as far as possible therefore to require vacuum chuck to produce vacuum value of velocity.For reaching this purpose, the volume of vacuum chuck and pipeline requires as far as possible little, is the easiest measure in actuator so vacuum generator is carried, and still, this requires the vacuum generator volume little, in light weight.Secondly, because automatic control line and robot are in the different time, the target that different operations is faced is different, so desired degree of vacuum and air displacement also are not quite similar, for example, the absorption object is the good material (glass of tightness, iron and steel etc.) time, then require condition of high vacuum degree, little air displacement, and the absorption object is when being the material (corrugated paperboard etc.) of poor air-tightness, then require rough vacuum, big air displacement, in order to satisfy this requirement, will adopt different suction pressures and different vacuum generators, this just makes the air supply system complexity, use has inconvenience more, and also can be owing to pressure surge causes interference between different pipelines in the pressure system.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned vacuum generator to unify the shortcoming that the source of the gas air feed can only satisfy same actuator, provides a kind of and has made described vacuum generator can satisfy the combination vacuum generator of multiple actuator by source of the gas being carried out pressure regulation.
For this reason, the utility model is taked following technological scheme:
A kind of combination vacuum generator, include the first housing, be located at the vacuum generating device in the first housing, described vacuum generating device includes nozzle, the expanding duct that is positioned on the same axis, be provided with intakeport between described nozzle, the expanding duct, the corresponding intakeport of the described first housing is provided with pipe joint, and the corresponding expanding duct of the described first housing outside is provided with silencing apparatus, described nozzle, expanding duct are the reconstruct part, and described nozzle, expanding duct are removably mounted in the described first housing; Described combination vacuum generator also includes the modulating valve of the adjusting suction pressure that is positioned at the second housing; The exhaust cavity that described modulating valve includes the air-inlet cavity that is communicated with outer source of the gas, inner chamber, is communicated with the intakeport of the first housing, the spool of air-flow conducting is installed in movably in inner chamber between control air-inlet cavity, the inner chamber, and described exhaust cavity is communicated with inner chamber; A Sealing that is connected on the spool is positioned at air-inlet cavity, and the air-inlet cavity chamber wall that described Sealing is inboard and corresponding forms throttle, and the described Sealing outside withstands on the elastic component, and described elastic component is connected on the supporting sleeve; The described spool the other end withstands on the elastic sealing film that constitutes inner chamber chamber wall, and the described sealing film outside is provided with spring regulating device.
Described spool includes a rectangular valve rod and stepped Sealing, is respectively equipped with the mounting hole of slightly larger in diameter in described valve rod in described elastic component, supporting sleeve, the inner chamber, and valve rod is movably located in the described mounting hole.
The first housing and the second housing are combined in the common body.
Described exhaust cavity is provided with pressure gauge.
Described spring regulating device includes: bottom, gland, and described gland one end is provided with spring, and there is bolt on the other end top, and the described bolt that passes left end cap is provided with locking nut; The other end of described spring is connected on the bottom, and described bottom is connected with described sealing film.
Has identical outside Conncetion cimension with a series of reconstruct part nozzles, reconstruct part expanding duct.
Described body, left end cap, right end cap adopt light alloy material.
Employing the utlity model has following advantage: 1, by modulating valve and vacuum generator being combined the realization system can satisfy the requirement of each actuator with unified source of the gas air feed, thereby simplified air supply system; 2, make vacuum generator be in optimum Working by regulating modulating valve; 3, by adopting light alloy material manufacturing body and end cap to alleviate complete machine weight; 4, adopt unified installation dimension to realize modular design by nozzle and expanding duct and body, can obtain vacuum generator, solved the problem of standardization, modularization production with a series of different sizes as long as change nozzle and expanding duct.
(4) description of drawings
Fig. 1 is a structural representation of the present utility model
Fig. 2 is a principle schematic of the present utility model
(5) embodiment
As shown in Figure 1, a kind of combination vacuum generator, include the first housing, be located at the vacuum generating device in the first housing, described vacuum generating device includes nozzle 19, the expanding duct 18 that is positioned on the same axis, be provided with intakeport P between described nozzle, the expanding duct, the corresponding intakeport of the described first housing is provided with pipe joint 21, the corresponding expanding duct of the described first housing outside is provided with silencing apparatus 17, described nozzle 19, expanding duct 18 are the reconstruct part, and described nozzle, expanding duct are removably mounted in the described first housing; Described combination vacuum generator also includes the modulating valve of the adjusting suction pressure that is positioned at the second housing; Described modulating valve includes the air-inlet cavity C, the inner chamber G that are communicated with outer source of the gas, the exhaust cavity M that is communicated with the intakeport of the first housing, and the spool 11 of air-flow conducting is installed in movably in inner chamber between control air-inlet cavity, the inner chamber, and described exhaust cavity is communicated with inner chamber; A Sealing 4 that is connected on the spool is positioned at air-inlet cavity, and the air-inlet cavity chamber wall that described Sealing is inboard and corresponding forms throttle D, and the described Sealing outside withstands on the elastic component 12, and described elastic component is connected on the supporting sleeve 13; The described spool the other end withstands on the elastic sealing film 8 that constitutes inner chamber chamber wall, and the described sealing film outside is provided with spring regulating device.Described spring regulating device includes: bottom 7, gland 5, and described gland one end is provided with spring 6, and there is bolt 1 on the other end top, and the described bolt that is connected left end cap 3 is provided with locking nut 2; The other end of described spring is connected on the bottom 7, and described bottom 7 is connected with described sealing film 8.Described spool 11 includes a rectangular valve rod and stepped Sealing 4, is respectively equipped with the mounting hole of slightly larger in diameter in described valve rod in described elastic component 12, supporting sleeve 13, the inner chamber, and valve rod 11 is movably located in the described mounting hole.The first housing and the second housing are combined in the common body.Described exhaust cavity is provided with pressure gauge 9.Has identical outside Conncetion cimension with a series of reconfigurable spare nozzles, reconfigurable spare expanding duct.Described body 20, left end cap 3, right end cap 16 adopt light alloy material.
As shown in Figure 2, air-inlet cavity comprises A, B, the C hole of conducting, and inner chamber comprises D, E, F, G, H, I, J, K, the L hole of conducting, and exhaust cavity comprises M, N, the O hole of conducting.Embodiment is: pressurized air enters air-inlet cavity C by the hole B of the pipe joint A place on the right end cap 16 by supporting sleeve 13, then via reducing pressure behind the restriction D between spool 11 and valve body, enter the nozzle 19 of vacuum generator by the heavy hole O of valve body hole M, left end cap 3, because under the differential pressure action, the P place produces supersonic airstream between nozzle 19 and expanding duct 18, simultaneously, this place produces the region of no pressure, air is sucked by vacuum port Q place through pipe joint 21, produce the effect of aspiration vacuum, mixed gas slows down through expanding duct 18, by discharging behind the baffler 17 noise reduction sounds.
Compressed air pressure before the nozzle 19 can cover 5 by regulating bolt 1 roof pressure, thus pressure spring 6, and top bottom 7 and sealing film 8 come the aperture size of the restriction D between regulating spool 11 and valve body to realize, and show its force value by pressure gauge 9.When the fluctuation of the compressed air pressure value before the nozzle 19, pressure regulator valve is regulated automatically by reponse system, makes it constant.As when the compressed air pressure before the nozzle 19 raises, the M chamber, the E cavity pressure raises, the pressure regulator valve G cavity pressure that is communicated with by the F hole also raises, thereby push away sealing film 8 left, bottom 7 pressure springs 6, by the diaphragm center hole K of spool shutoff, bottom center hole L opens, G chamber gas passes through K, the L hole, the J chamber, the I groove, H hole expulsion valve is external, pressure descends, simultaneously, E, D place pressure also descends, and spool 11 is moved to the left under the effect of elastic component 12 and spool both sides pressure reduction, thereby close the restriction D between small valve core 11 and valve body, reduce charge flow rate, nozzle 19 preceding compressed air pressures are lowered, thereby keep the compressed air pressure value stabilization before the nozzle 19; Otherwise, when the compressed air pressure before the nozzle 19 reduces, nozzle 19 preceding force value are stablized.Compressed air pressure value stabilization before the nozzle 19 just can guarantee the vacuum generator proper functioning.
The utlity model has the modular combination vacuum generator of regulating with stable suction pressure function and be not limited only to the foregoing description, identical with the foregoing description principle ought to be included in the utility model.
Claims (7)
1, a kind of combination vacuum generator, include the first housing, be located at the vacuum generating device in the first housing, described vacuum generating device includes nozzle, the expanding duct that is positioned on the same axis, be provided with intakeport between described nozzle, the expanding duct, the corresponding intakeport of the described first housing is provided with pipe joint, the corresponding expanding duct of the described first housing outside is provided with silencing apparatus, it is characterized in that: described nozzle, expanding duct are the reconstruct part, and described nozzle, expanding duct are removably mounted in the described first housing;
Described combination vacuum generator also includes the modulating valve of the adjusting suction pressure that is positioned at the second housing;
The exhaust cavity that described modulating valve includes the air-inlet cavity that is communicated with outer source of the gas, inner chamber, is communicated with the intakeport of the first housing, the spool of air-flow conducting is installed in movably in inner chamber between control air-inlet cavity, the inner chamber, and described exhaust cavity is communicated with inner chamber;
A Sealing that is connected on the spool is positioned at air-inlet cavity, and the air-inlet cavity chamber wall that described Sealing is inboard and corresponding forms throttle, and the described Sealing outside withstands on the elastic component, and described elastic component is connected on the supporting sleeve;
The described spool the other end withstands on the elastic sealing film that constitutes inner chamber chamber wall, and the described sealing film outside is provided with spring regulating device.
2, combination vacuum generator according to claim 1, it is characterized in that: described spool includes a rectangular valve rod and stepped Sealing, be respectively equipped with the mounting hole of slightly larger in diameter in described valve rod in described elastic component, supporting sleeve, the inner chamber, valve rod is movably located in the described mounting hole.
3, combination vacuum generator according to claim 2 is characterized in that: the first housing and the second housing are combined in the common body.
4, combination vacuum generator according to claim 3, it is characterized in that: described exhaust cavity is provided with pressure gauge.
5, combination vacuum generator according to claim 4, it is characterized in that: described spring regulating device includes: bottom, gland, described gland one end is provided with spring, and there is bolt on the other end top, and the described bolt that passes left end cap is provided with locking nut; The other end of described spring is connected on the bottom, and described bottom is connected with described sealing film.
6, combination vacuum generator according to claim 4 is characterized in that: have identical outside Conncetion cimension with a series of reconstruct part nozzles, reconstruct part expanding duct.
7, according to claim 1,3,5 described combination vacuum generators, it is characterized in that: described body, left end cap, right end cap adopt light alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420037413 CN2713189Y (en) | 2004-07-07 | 2004-07-07 | Combined vacuum generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420037413 CN2713189Y (en) | 2004-07-07 | 2004-07-07 | Combined vacuum generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2713189Y true CN2713189Y (en) | 2005-07-27 |
Family
ID=34871679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420037413 Expired - Lifetime CN2713189Y (en) | 2004-07-07 | 2004-07-07 | Combined vacuum generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2713189Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100348871C (en) * | 2004-07-07 | 2007-11-14 | 浙江工业大学 | Composite vacuum generator |
| CN106406373A (en) * | 2016-10-21 | 2017-02-15 | 杭州孚亚科技有限公司 | Novel fluid pressure regulation apparatus and fluid pressure regulation method thereof |
| CN110494231A (en) * | 2017-01-20 | 2019-11-22 | 普莱德工程有限责任公司 | Tank bottom beamformer components |
| CN114293784A (en) * | 2022-01-18 | 2022-04-08 | 浙江经典建筑装饰有限公司 | Construction auxiliary installation device and construction method thereof |
-
2004
- 2004-07-07 CN CN 200420037413 patent/CN2713189Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100348871C (en) * | 2004-07-07 | 2007-11-14 | 浙江工业大学 | Composite vacuum generator |
| CN106406373A (en) * | 2016-10-21 | 2017-02-15 | 杭州孚亚科技有限公司 | Novel fluid pressure regulation apparatus and fluid pressure regulation method thereof |
| CN110494231A (en) * | 2017-01-20 | 2019-11-22 | 普莱德工程有限责任公司 | Tank bottom beamformer components |
| CN110494231B (en) * | 2017-01-20 | 2022-03-01 | 普莱德工程有限责任公司 | Tank bottom former assembly |
| CN114293784A (en) * | 2022-01-18 | 2022-04-08 | 浙江经典建筑装饰有限公司 | Construction auxiliary installation device and construction method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20040707 |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20040707 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |