CN211501659U - Vacuum adsorption control valve and vacuum adsorption device - Google Patents
Vacuum adsorption control valve and vacuum adsorption device Download PDFInfo
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- CN211501659U CN211501659U CN202020106629.5U CN202020106629U CN211501659U CN 211501659 U CN211501659 U CN 211501659U CN 202020106629 U CN202020106629 U CN 202020106629U CN 211501659 U CN211501659 U CN 211501659U
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Abstract
The utility model discloses a vacuum adsorption control valve, including valve body (1), be provided with first interface (2), second interface (3) that are used for being connected with vacuum pump, sucking disc respectively on the valve body, be provided with case (4) that first interface of control, second interface are linked together or the disconnection in the valve body, be provided with pressure sensor (5) that are used for detecting the inside vacuum of second interface on the valve body. The utility model also discloses a vacuum adsorption device of including above-mentioned vacuum adsorption control valve. The utility model discloses a pressure sensor detects the inside vacuum of second interface, has detected the vacuum in the sealed space that sucking disc and sucked object formed promptly, controls the vacuum pump through the size of vacuum and opens and stop or adsorb the action of control valve, can make the vacuum in the sealed space be in reasonable scope like this to reduce the energy consumption, avoid being sucked the object because of suction too big production deformation damage. In addition, the pressure sensor is arranged on the control valve, the integration level is high, and the connection of lines is facilitated.
Description
Technical Field
The utility model belongs to the technical field of vacuum adsorption control valve, concretely relates to vacuum adsorption control valve.
Background
At the storage, all need use the removal on commodity circulation and the packaging line to snatch equipment, snatch and be equipped with the vacuum adsorption device on the equipment, be equipped with the sucking disc on the vacuum adsorption device, the sucking disc forms a temporary enclosure space with being inhaled the object and contact the back, takes away or rarefied enclosure space the inside air through the vacuum pump, produces the internal and external pressure difference to make the sucking disc hold the object and snatch the removal.
When the vacuum pump extracts the air in the sealed space, only the suction force generated by the internal and external pressure difference caused by the vacuum degree in the sealed space is required to be larger than the gravity of the sucked object, if the vacuum degree is too low, the object cannot be sucked, if the vacuum degree is too high, the energy consumption is increased, and even the sucked object is deformed and damaged due to too large suction force. Therefore, how to keep the vacuum degree in the sealed space in a reasonable range in the adsorption state becomes a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, the utility model provides a vacuum adsorption control valve.
The purpose of the utility model is realized through the following technical scheme:
on the one hand, the utility model provides a vacuum adsorption control valve, which comprises a valve body, be provided with first interface, the second interface that is used for being connected with vacuum pump, sucking disc respectively on the valve body, be provided with the case that first interface of control, second interface are linked together or the disconnection in the valve body, be provided with the pressure sensor who is used for detecting the inside vacuum of second interface on the valve body.
As a further improvement, a valve core driving mechanism for driving the valve core to connect or disconnect the first interface and the second interface is arranged on the valve body.
As a further improvement, the valve core driving mechanism further comprises a controller connected with the valve core driving mechanism to control the valve core driving mechanism to act, the pressure sensor outputs a pressure signal to the controller, and the controller outputs a control signal to control the valve core driving mechanism to act according to the pressure signal.
As a further improvement, the valve core driving mechanism is an air cylinder, the air cylinder is connected with an electromagnetic reversing valve for controlling the reversing of the air cylinder, and the controller is connected with the electromagnetic reversing valve.
As a further improvement, the valve core comprises a valve plate and a valve rod, a valve cavity is formed in the valve body, the valve cavity is provided with a first valve hole and a second valve hole which are respectively communicated with the first interface and the second interface, the valve rod is arranged in the valve cavity, one end of the valve rod is connected with a piston rod of the air cylinder, the valve plate is arranged at the other end of the valve rod, the piston rod of the air cylinder drives the valve rod to switch between a first position and a second position, and when the valve rod is located at the first position, the valve plate blocks the first valve hole; the valve plate opens the first valve opening when the valve stem is in the second position.
As a further improvement, the valve plate is sleeved on the valve rod in a sliding and sealing mode, and an elastic piece which can enable the valve plate to elastically block the first valve hole when the valve rod is located at the first position is arranged between the valve plate and the valve rod.
As a further improvement, the elastic piece is a spring with two ends arranged between the valve plate and the valve rod.
As a further improvement, a sealing ring is arranged on a sealing joint surface between the valve plate and the first valve hole.
As a further improvement, the sealing ring is arranged on the outer edge of one side of the valve plate close to the first valve hole.
The utility model provides a vacuum adsorption control valve, which comprises a valve body, be provided with first interface, the second interface that is used for being connected with vacuum pump, sucking disc respectively on the valve body, be provided with the case that first interface of control, second interface are linked together or the disconnection in the valve body, be provided with the pressure sensor who is used for detecting the inside vacuum of second interface on the valve body. The utility model provides a vacuum adsorption control valve, be provided with the pressure sensor who is used for detecting the inside vacuum of second interface on the valve body, when being applied to the vacuum adsorption device with the control valve on, detect the inside vacuum of second interface through pressure sensor, the vacuum in the sealed space that sucking disc and quilt suction object formed has been detected promptly, the size through vacuum controls opening of vacuum pump and stops or the action of vacuum adsorption control valve, can make like this the sucking disc and the vacuum in the sealed space that the quilt suction object formed be in reasonable scope, thereby reduce the energy consumption, avoid being sucked the object because of suction too big production deformation damage. In addition, the pressure sensor is arranged on the control valve, the integration level is high, and the connection of a control circuit is convenient.
On the other hand, the utility model also provides a vacuum adsorption device, including vacuum pump, sucking disc, still include as above vacuum adsorption control valve.
The utility model provides a vacuum adsorption device is because the installation is as above vacuum adsorption control valve, it has corresponding theory of operation and beneficial effect, consequently no longer gives unnecessary details.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a sectional view of a vacuum adsorption control valve.
Fig. 2 is a schematic structural view of the vacuum adsorption apparatus.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.
Combine fig. 1 and fig. 2 to show, the embodiment of the utility model provides a provide a vacuum adsorption control valve, including valve body 1, be provided with first interface 2, the second interface 3 that is used for being connected with vacuum pump, sucking disc respectively on the valve body 1, be provided with the case 4 that first interface 2 of control, second interface 3 are linked together or the disconnection in the valve body 1, be provided with pressure sensor 5 that is used for detecting the inside vacuum of second interface 3 on the valve body 1, pressure sensor 5 detects the size of the inside pressure of second interface 3, can obtain the size of vacuum. The embodiment of the utility model provides a vacuum adsorption control valve, be provided with the pressure sensor who is used for detecting the inside vacuum of second interface 2 on the valve body 1, when being applied to the vacuum adsorption device with the control valve on, detect the inside vacuum of second interface 2 through pressure sensor 5, the vacuum in the sealed space that sucking disc and sucked object formed has been detected promptly, the size through vacuum controls opening of vacuum pump and stops or the action of vacuum adsorption control valve, the vacuum in the sealed space that can make sucking disc and sucked object form like this is in reasonable scope, thereby reduce the energy consumption, avoid being sucked the object because of the too big deformation damage that produces of suction. In addition, the pressure sensor is arranged on the control valve, the integration level is high, and the connection of a control circuit is convenient.
As a further preferred embodiment, the valve body 1 is provided with a valve element driving mechanism 6 for driving the valve element 4 to connect or disconnect the first port 2 and the second port 3, and further comprises a controller 7 connected with the valve element driving mechanism 6 to control the valve element driving mechanism 6 to operate, the pressure sensor 5 outputs a pressure signal to the controller 7, and the controller 7 outputs a control signal according to the pressure signal to control the valve element driving mechanism 6 to operate. In this way, the controller 7 controls the action of the valve core driving mechanism 6 according to the vacuum degree, thereby controlling the vacuum adsorption control valve to be communicated or disconnected with the air path connection between the vacuum pump and the sucker, and realizing the automatic control of the vacuum degree.
In a further preferred embodiment, the valve element driving mechanism 6 is a cylinder to which an electromagnetic directional valve 8 for controlling the direction change is connected, and the controller 7 is connected to the electromagnetic directional valve 8. Thus, the controller 7 controls the electromagnetic directional valve 8 to act, and the electromagnetic directional valve 8 controls the cylinder to change direction.
As a further preferred embodiment, the valve core 4 includes a valve plate 41 and a valve rod 42, a valve cavity 11 is formed in the valve body 1, the valve cavity 11 is provided with a first valve hole 12 and a second valve hole 13 which are respectively communicated with the first port 2 and the second port 3, the valve rod 42 is arranged in the valve cavity 11 and one end of the valve rod is connected with a piston rod of a cylinder, and the valve plate 41 is arranged on the other end of the valve rod 42. Specifically, the valve body includes the main valve body, first end plate and second end plate, the main valve body is hollow aluminium alloy ex-trusions, first end plate and second end plate set up respectively at the both ends of the main valve body, still are provided with the sealing washer between first end plate and the main valve body, between second end plate and the main valve body, the valve pocket is enclosed by the main valve body, first end plate, second end plate and closes and form, first valve opening sets up on first end plate, the second valve opening sets up on the lateral wall of the main valve body, the cylinder is fixed in the outside of second end plate and its piston rod runs through behind the second end plate and is connected with the one end of valve rod, and pressure sensor 5 sets up on the second end plate. In order to facilitate connection among the main valve body, the first end plate and the second end plate, the vacuum adsorption control valve further comprises a plurality of fixing screws, and the fixing screws penetrate through the second end plate and then are in threaded connection with the first end plate. Like this, because the main valve body is hollow aluminum alloy ex-trusions, and whole vacuum adsorption control valve adopts the assembled structure, can greatly reduced three-way valve holistic weight on the one hand, on the other hand can also reduce material cost and maintenance cost. The piston rod of the air cylinder drives the valve rod 42 to switch between a first position and a second position, and when the valve rod 42 is in the first position (shown in the position of fig. 1), the valve plate 41 blocks the first valve hole 12; when the valve stem 42 is in the second position, the valve plate 41 opens the first valve hole 12.
As a further preferred embodiment, the valve plate 41 is slidably and hermetically sleeved on the valve rod 42, a valve rod through hole is formed in the middle of the valve plate, the valve rod is arranged in the valve rod through hole in a penetrating manner, and a sliding sealing element is arranged between the valve rod through hole and the valve rod. The sliding seal can keep good air tightness when the valve rod is in sliding fit with the valve plate. An elastic piece 43 which can enable the valve plate 41 to elastically block the first valve hole 12 when the valve rod 42 is at the first position is arranged between the valve plate 41 and the valve rod 42.
When the vacuum adsorption control valve works, the cylinder drives the valve rod to switch between a first position and a second position, when the valve rod is located at the first position, the valve plate blocks the first valve hole, a certain spacing distance is kept between a piston of the cylinder and a left end cover, and at the moment, the connection between the first valve hole and the second valve hole is disconnected; when the valve rod is in the second position, the valve plate opens the first valve hole, a certain spacing distance is kept between the piston of the cylinder and the right end cover, the first valve hole is communicated with the second valve hole, and gas can flow through the second valve hole, the valve cavity and the first valve hole. Therefore, the vacuum adsorption control valve achieves the purpose of on-off of the air path through the air cylinder. In addition, because the elastic piece which can enable the valve plate to elastically block the first valve hole when the valve rod is positioned at the first position is arranged between the valve plate and the valve rod, when the cylinder drives the valve rod to be switched from the second position to the first position, the elastic piece can play a role in buffering impact generated when the valve plate is contacted with the first valve hole and providing elastic compression. Therefore, on one hand, the air cylinder is not provided with a buffer device, the in-place speed of the air cylinder is relatively high, and the speed of the valve plate for plugging the first valve hole is relatively high, so that the air cylinder can be well suitable for application scenes requiring quick on-off of an air path; in addition, the weight of the cylinder without the buffer device is relatively small, and the air cylinder can be well suitable for certain application scenes with high requirements on weight. On the other hand, when the sealing surface between valve plate and the first valve opening produces wearing and tearing, because the elastic component makes the first valve opening of valve plate elastic compression shutoff, can play the compensation effect, guarantee airtight effect, extension sealing member and vacuum adsorption control valve life reduce use cost.
In a further preferred embodiment, the elastic member 43 is a spring having both ends thereof abutted between the valve plate and the valve stem. Be provided with on the valve rod to the valve plate to being close to first valve opening one side and remove and carry out spacing portion, spacing portion is formed by valve rod periphery integrated into one piece's boss, because be provided with spacing portion on the valve rod, spacing portion can carry on spacingly to the range of motion of valve plate to make the spring apply elastic force for the valve plate better. For the installation of the spring, be provided with the spring hole of installation spring on the terminal surface of the other end of valve rod, one side that the valve plate is close to first valve opening is provided with the gland, the spring is installed in the spring hole and both ends top is established between the hole bottom and the gland in spring hole. The gland is fixed on the left side of the valve plate by screws, so that the spring is conveniently installed in the spring hole and propped between the hole bottom of the spring hole and the gland. In addition, the spring is not exposed outside, and the spring is prevented from being influenced by foreign matters to normally work.
In a further preferred embodiment, a sealing ring 9 is disposed on a sealing joint surface between the valve plate 41 and the first valve hole 12, and preferably, the sealing ring 9 is disposed on an outer edge of the valve plate 41 on a side close to the first valve hole 12. The sealing ring can keep good air tightness when the valve plate is in sealing fit with the first valve hole.
As shown in fig. 2, the utility model also provides a vacuum adsorption device, including vacuum pump 10, sucking disc 20, still include as above vacuum adsorption control valve 30, vacuum adsorption control valve 30's first interface 2 is connected with vacuum pump 10, and second interface 3 is connected with sucking disc 20. The embodiment of the utility model provides a vacuum adsorption device during operation, the break-make of gas circuit between vacuum pump 10 and the sucking disc 20 is controlled to vacuum pump 10 to sucking disc 20 and the sealed space evacuation that is formed by the sucked object, detect the inside vacuum of second interface 2 through pressure sensor 5 during the evacuation, vacuum in the sealed space that has detected sucking disc and is formed by the sucked object promptly, the size through vacuum controls opening of vacuum pump or the action of vacuum adsorption control valve, can make the vacuum in the sealed space that sucking disc and sucked object formed be in reasonable scope like this, thereby reduce the energy consumption, avoid being sucked the object because of the too big production deformation damage of suction. In addition, the pressure sensor is arranged on the control valve, the integration level is high, and the connection of a control circuit is convenient.
In the description above, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore should not be construed as limiting the scope of the invention.
In conclusion, although the present invention has been described with reference to the preferred embodiments, it should be noted that, although various changes and modifications can be made by those skilled in the art, unless such changes and modifications depart from the scope of the present invention, they should be construed as being included therein.
Claims (10)
1. The vacuum adsorption control valve comprises a valve body (1), wherein a first interface (2) and a second interface (3) which are respectively connected with a vacuum pump and a sucker are arranged on the valve body (1), a valve core (4) for controlling the first interface (2) and the second interface (3) to be communicated or disconnected is arranged in the valve body (1), and the vacuum adsorption control valve is characterized in that a pressure sensor (5) for detecting the internal vacuum degree of the second interface (3) is arranged on the valve body (1).
2. The vacuum adsorption control valve of claim 1, wherein: the valve body (1) is provided with a valve core driving mechanism (6) for driving the valve core (4) to connect or disconnect the first interface (2) and the second interface (3).
3. The vacuum adsorption control valve of claim 2, wherein: the pressure sensor (5) outputs a pressure signal to the controller (7), and the controller (7) outputs a control signal according to the pressure signal to control the valve core driving mechanism (6) to act.
4. The vacuum adsorption control valve of claim 3, wherein: the valve core driving mechanism (6) is an air cylinder, the air cylinder is connected with an electromagnetic directional valve (8) for controlling the air cylinder to change direction, and the controller (7) is connected with the electromagnetic directional valve (8).
5. The vacuum adsorption control valve of claim 4, wherein: the valve core (4) comprises a valve plate (41) and a valve rod (42), a valve cavity (11) is formed in the valve body (1), the valve cavity (11) is provided with a first valve hole (12) and a second valve hole (13) which are respectively communicated with the first connector (2) and the second connector (3), the valve rod (42) is arranged in the valve cavity (11), one end of the valve rod is connected with a piston rod of an air cylinder, the valve plate (41) is arranged at the other end of the valve rod (42), the piston rod of the air cylinder drives the valve rod (42) to be switched between a first position and a second position, and when the valve rod (42) is located at the first position, the valve plate (41) blocks the first valve hole (12); the valve plate (41) opens the first valve hole (12) when the valve stem (42) is in the second position.
6. The vacuum adsorption control valve of claim 5, wherein: the valve plate (41) is sleeved on the valve rod (42) in a sliding and sealing mode, and an elastic piece (43) capable of enabling the valve plate (41) to elastically block the first valve hole (12) when the valve rod (42) is located at the first position is arranged between the valve plate (41) and the valve rod (42).
7. The vacuum adsorption control valve of claim 6, wherein: the elastic piece (43) is a spring with two ends arranged between the valve plate and the valve rod.
8. The vacuum adsorption control valve of claim 5, 6 or 7, wherein: and a sealing ring (9) is arranged on a sealing joint surface between the valve plate (41) and the first valve hole (12).
9. The vacuum adsorption control valve of claim 8, wherein: the sealing ring (9) is arranged on the outer edge of one side, close to the first valve hole (12), of the valve plate (41).
10. A vacuum suction device comprising a vacuum pump (10), a suction cup (20), characterized by further comprising a vacuum suction control valve (30) according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020106629.5U CN211501659U (en) | 2020-01-17 | 2020-01-17 | Vacuum adsorption control valve and vacuum adsorption device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020106629.5U CN211501659U (en) | 2020-01-17 | 2020-01-17 | Vacuum adsorption control valve and vacuum adsorption device |
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| Publication Number | Publication Date |
|---|---|
| CN211501659U true CN211501659U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020106629.5U Active CN211501659U (en) | 2020-01-17 | 2020-01-17 | Vacuum adsorption control valve and vacuum adsorption device |
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| CN (1) | CN211501659U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023156359A1 (en) * | 2022-02-17 | 2023-08-24 | Vat Holding Ag | Vacuum angle valve comprising a pressure sensor |
| CN117800086A (en) * | 2024-03-01 | 2024-04-02 | 天津松山环保科技有限公司 | Pill sucking disc transfer device |
-
2020
- 2020-01-17 CN CN202020106629.5U patent/CN211501659U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023156359A1 (en) * | 2022-02-17 | 2023-08-24 | Vat Holding Ag | Vacuum angle valve comprising a pressure sensor |
| CN117800086A (en) * | 2024-03-01 | 2024-04-02 | 天津松山环保科技有限公司 | Pill sucking disc transfer device |
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