CN210833992U - Structure for preventing vacuum instrument from being damaged and system thereof - Google Patents
Structure for preventing vacuum instrument from being damaged and system thereof Download PDFInfo
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- CN210833992U CN210833992U CN201921941417.2U CN201921941417U CN210833992U CN 210833992 U CN210833992 U CN 210833992U CN 201921941417 U CN201921941417 U CN 201921941417U CN 210833992 U CN210833992 U CN 210833992U
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Abstract
The utility model discloses a prevent structure and system of vacuum instrument damage, including vacuum generator and check valve, outside vacuum instrument is connected to vacuum generator's negative pressure port, outside vacuum pipe is connected to vacuum generator's air supply mouth, vacuum generator's gas vent is connected the entry of check valve. When the vacuum pipeline produced the negative pressure, the check valve locked vacuum generator's gas vent, and vacuum generator was out of work this moment, and the negative pressure directly communicates vacuum generator's negative pressure port, and when the vacuum pipeline produced the malleation, the check valve was opened, and vacuum generator was in operating condition this moment, and the negative pressure port produced the negative pressure, consequently, no matter how atmospheric pressure in the vacuum pipeline, the atmospheric pressure of vacuum instrument one side was the negative pressure to effectively protect vacuum instrument not impacted and corroded.
Description
Technical Field
The utility model relates to an use vacuum automation equipment, in particular to prevent structure and system that vacuum instrument damaged.
Background
The vacuum adsorption clamp is a common clamp form in glass processing, and in order to ensure smooth and efficient operation of an automatic processing flow, a vacuum on-off control valve and a vacuum breaking valve are installed in a vacuum pipeline, so that vacuum in the vacuum pipeline disappears as soon as possible when a manipulator loads and unloads, quick loading and unloading are realized, and auxiliary time is shortened. Among them, various electronic vacuum meters need to be installed in the vacuum pipeline, such as an electronic vacuum pressure switch, but the electronic vacuum pressure switch has low pressure resistance, and the cutting fluid remained in the vacuum pipeline is blown onto the vacuum pressure switch to corrode the vacuum pressure switch due to frequent high-pressure impact, so that the vacuum pressure switch is often damaged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a prevent structure and system that vacuum instrument damaged can avoid on corrosive substance among the vacuum pipe blows the vacuum instrument of electronic type to protect vacuum instrument.
According to the utility model discloses a structure of preventing vacuum instrument damage of first aspect embodiment, including vacuum generator and check valve, outside vacuum instrument is connected to vacuum generator's negative pressure port, outside vacuum pipe is connected to vacuum generator's air feed mouth, vacuum generator's gas vent is connected the entry of check valve.
According to the utility model discloses prevent structure of vacuum instrument damage has following beneficial effect at least: when the vacuum pipeline produced the negative pressure, the check valve locked vacuum generator's gas vent, and vacuum generator was out of work this moment, and the negative pressure directly communicates vacuum generator's negative pressure port, and when the vacuum pipeline produced the malleation, the check valve was opened, and vacuum generator was in operating condition this moment, and the negative pressure port produced the negative pressure, consequently, no matter how atmospheric pressure in the vacuum pipeline, the atmospheric pressure of vacuum instrument one side was the negative pressure to effectively protect vacuum instrument not impacted and corroded.
According to the utility model discloses a system for prevent vacuum instrument damage of second aspect embodiment, include as above prevent the structure of vacuum instrument damage, still include vacuum instrument, vacuum control equipment and can produce the vacuum pipe of malleation and negative pressure, vacuum instrument connects vacuum generator's negative pressure port, vacuum generator's air supply mouth is connected vacuum pipe, vacuum pipe connects vacuum control equipment.
According to the utility model discloses prevent system of vacuum instrument damage has following beneficial effect at least: the vacuum control equipment works when negative pressure is generated in the vacuum pipeline, the exhaust port of the vacuum generator is locked by the check valve at the moment, the vacuum pipeline is in a vacuum destruction state when entering positive pressure from the negative pressure, the positive pressure is generated in the vacuum pipeline at the moment, the check valve is opened to enable the vacuum generator to work, the negative pressure port of the vacuum generator keeps one side of the vacuum instrument in the negative pressure state, and therefore when the vacuum destruction state is prevented, damage to the vacuum instrument caused by positive pressure impact, cutting fluid and the like in the vacuum pipeline is avoided, and the purpose of protecting the vacuum instrument is achieved.
According to the utility model discloses a system for prevent vacuum instrument damage of second aspect embodiment, the vacuum pipe includes positive pressurized air source and vacuum air source, positive pressurized air source with vacuum air source's atmospheric pressure delivery outlet is connected vacuum generator's air supply port.
According to the utility model discloses a system for prevent vacuum instrument damage of second aspect embodiment, the vacuum pipe still includes the first valve of normally closed and the second valve that normally opens, first valve is established ties positive pressure air source with between the vacuum generator, the second valve is established ties vacuum air source with between the vacuum generator.
According to the utility model discloses a system for prevent vacuum instrument damage of second aspect embodiment, first valve is normally closed two-way valve, the second valve is normally open two-way valve.
According to the utility model discloses a system for prevent vacuum instrument damage of second aspect embodiment, vacuum controlgear is the vacuum jig.
According to the utility model discloses a system for prevent vacuum instrument damage of second aspect embodiment, the vacuum instrument is electronic type vacuum pressure switch.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a gas path in a working state according to the prior art;
FIG. 2 is a schematic diagram of a gas path in a vacuum failure state according to the prior art;
FIG. 3 is a schematic view of a gas path in an operating state according to an embodiment of the present application;
fig. 4 is a schematic view of the gas path in the vacuum breaking state according to the embodiment of the present application.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The embodiment of the utility model provides an in being applied to the pipeline of vacuum instrument, refer to fig. 1 and fig. 2, traditional vacuum pipeline direct connection vacuum instrument, vacuum pipeline is under the vacuum failure state, because the invasion of the impact of malleation and corrosive liquid in the pipeline, easily causes the damage to electronic type vacuum instrument, therefore the vacuum pipeline of operational environment severer usually adopts the high-priced pressure sensor that is resistant to high pressure of corrosion, and the cost is higher; based on this application the following solutions are proposed:
referring to fig. 3 and 4, a first aspect of embodiments of the present invention provides a structure for preventing damage to a vacuum gauge, including a vacuum generator 100 and a check valve 200, wherein a negative pressure port of the vacuum generator 100 is connected to an external vacuum gauge 300, an air supply port of the vacuum generator 100 is connected to an external vacuum pipe, and an air exhaust port of the vacuum generator 100 is connected to an inlet of the check valve 200.
Because of the characteristics of the vacuum generator 100, when the air pressure passes through the air pressure from the air supply port of the vacuum generator 100 to the air exhaust port, the negative pressure port can still generate negative pressure, so that the vacuum meter 300 is connected to the negative pressure port of the vacuum generator 100 to prevent the impact of positive pressure and the movement of corrosive liquid to one side of the vacuum meter 300, so as to protect the vacuum meter 300 from being damaged, and therefore, the electronic vacuum meter 300 with higher accuracy can be adopted; meanwhile, in order that the vacuum gauge 300 can normally work in a negative pressure state of the vacuum pipeline, the one-way valve 200 is connected in series with the exhaust port of the vacuum generator 100, the vacuum generator 100 is locked to be out of work, and the negative pressure of the vacuum pipeline can be transmitted to the vacuum gauge 300.
The utility model discloses a second aspect of the embodiment provides a system for preventing vacuum instrument damage, including the above-mentioned structure of preventing vacuum instrument damage, still include vacuum instrument 300, vacuum control apparatus 400 and can produce the vacuum pipe way of malleation and negative pressure, vacuum instrument 300 connects vacuum generator 100's negative pressure port, and vacuum pipe way, vacuum pipe way connection vacuum control apparatus 400 are connected to vacuum generator 100's air supply mouth.
Specifically, the vacuum pipeline includes a positive pressure gas source 500, a vacuum gas source 600, a normally closed first valve 700 and a normally open second valve 800, the gas pressure output ports of the positive pressure gas source 500 and the vacuum gas source 600 are connected to the gas supply port of the vacuum generator 100, that is, the positive pressure gas source 500 and the vacuum gas source 600 are merged and connected to the gas supply port of the vacuum generator 100 through a pipeline, in order to control the positive pressure gas source 500 and the vacuum gas source 600 to work alternately, the first valve 700 is connected in series between the positive pressure gas source 500 and the vacuum generator 100, and the second valve 800 is connected in series between the vacuum gas source 600 and the vacuum generator 100. In some embodiments, the first valve 700 is a normally closed two-way valve, the second valve 800 is a normally open two-way valve, and the vacuum control apparatus 400 is a vacuum clamp, but the vacuum control apparatus 400 may be other apparatuses based on air pressure control, and the following description is given by way of example of a vacuum clamp.
Under the normal working state, the first valve 700 is closed, the second valve 800 is opened, the vacuum gas source 600 generates negative pressure to adsorb and fix a workpiece on a vacuum clamp for processing, at the moment, the one-way valve 200 locks the exhaust port of the vacuum generator 100 according to the one-way direction to enable the vacuum generator 100 not to work, at the moment, the negative pressure of the vacuum pipeline is communicated to the vacuum instrument 300, the vacuum instrument 300 can perform actions such as measurement and the like based on the numerical value of the negative pressure, when the vacuum is in a vacuum destruction state, the first valve 700 is opened, the second valve 800 is closed, the vacuum is stopped, the positive pressure gas source 500 charges positive pressure into the vacuum pipeline, the vacuum destruction generally inputs six times of positive pressure of atmospheric pressure into the vacuum pipeline to enable the vacuum in the vacuum pipeline to be rapidly reduced, at the moment, the positive pressure passes through the vacuum generator 100 to open the one-way valve 200, and a, at this time, the vacuum generator 100 operates to form a negative pressure at the negative pressure port, thereby preventing the vacuum gauge 300 from being impacted by the positive pressure and corroded by the corrosive liquid.
Preferably, the vacuum gauge 300 is an electronic vacuum pressure switch.
The embodiment of the utility model provides an add vacuum generator 100 and check valve 200 on the basis of former vacuum pipe, effectively protected vacuum instrument 300 under the condition that does not change the gas circuit, avoid malleation punching press and liquid corrosion.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims.
Claims (7)
1. The utility model provides a structure of preventing vacuum instrument damage, characterized in that, includes vacuum generator (100) and check valve (200), outside vacuum instrument (300) is connected to the negative pressure port of vacuum generator (100), the outside vacuum pipe is connected to the air feed mouth of vacuum generator (100), the gas vent of vacuum generator (100) is connected the entry of check valve (200).
2. A system for preventing damage of a vacuum instrument, comprising the structure for preventing damage of a vacuum instrument as claimed in claim 1, further comprising a vacuum instrument (300), a vacuum control device (400) and a vacuum pipeline capable of generating positive pressure and negative pressure, wherein the vacuum instrument (300) is connected to a negative pressure port of a vacuum generator (100), an air supply port of the vacuum generator (100) is connected to the vacuum pipeline, and the vacuum pipeline is connected to the vacuum control device (400).
3. The system of claim 2, wherein the vacuum conduit comprises a positive pressure gas source (500) and a vacuum gas source (600), and the pneumatic output ports of the positive pressure gas source (500) and the vacuum gas source (600) are connected to the air supply port of the vacuum generator (100).
4. A system for preventing damage to a vacuum gauge as claimed in claim 3, wherein the vacuum conduit further comprises a normally closed first valve (700) and a normally open second valve (800), the first valve (700) being connected in series between the positive pressure gas source (500) and the vacuum generator (100), the second valve (800) being connected in series between the vacuum gas source (600) and the vacuum generator (100).
5. The system of claim 4, wherein the first valve (700) is a normally closed two-way valve and the second valve (800) is a normally open two-way valve.
6. A system for preventing damage to a vacuum gauge according to claim 2, wherein the vacuum control device (400) is a vacuum clamp.
7. The system of claim 2, wherein the vacuum gauge (300) is an electronic vacuum pressure switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921941417.2U CN210833992U (en) | 2019-11-11 | 2019-11-11 | Structure for preventing vacuum instrument from being damaged and system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921941417.2U CN210833992U (en) | 2019-11-11 | 2019-11-11 | Structure for preventing vacuum instrument from being damaged and system thereof |
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| Publication Number | Publication Date |
|---|---|
| CN210833992U true CN210833992U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921941417.2U Active CN210833992U (en) | 2019-11-11 | 2019-11-11 | Structure for preventing vacuum instrument from being damaged and system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344660A (en) * | 2020-10-28 | 2021-02-09 | 中国电子科技集团公司第五十五研究所 | Automatic change wet process equipment manipulator raffinate drainage recovery unit |
-
2019
- 2019-11-11 CN CN201921941417.2U patent/CN210833992U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344660A (en) * | 2020-10-28 | 2021-02-09 | 中国电子科技集团公司第五十五研究所 | Automatic change wet process equipment manipulator raffinate drainage recovery unit |
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Address after: 529000 No. 61 Yongsheng Road, Pengjiang District, Guangdong, Jiangmen Patentee after: Guangdong Kejie Technology Co.,Ltd. Address before: 529000 No. 61 Yongsheng Road, Pengjiang District, Guangdong, Jiangmen Patentee before: Guangdong Kejie Machinery Automation Co.,Ltd. |