CN210218873U - Combination valve with vacuum pumping and vacuum breaking functions - Google Patents
Combination valve with vacuum pumping and vacuum breaking functions Download PDFInfo
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- CN210218873U CN210218873U CN201920830510.XU CN201920830510U CN210218873U CN 210218873 U CN210218873 U CN 210218873U CN 201920830510 U CN201920830510 U CN 201920830510U CN 210218873 U CN210218873 U CN 210218873U
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Abstract
The utility model relates to the technical field of air hole elements, in particular to a combined valve with vacuum extraction and vacuum destruction functions, which comprises a base and an air control mechanism arranged at the top of the base, wherein a hollow cavity is arranged between the base and the air control mechanism, two sides of the base are respectively provided with a working port and a vacuum port for externally connecting a vacuum pump, and the working port and the vacuum port are communicated through the cavity; the pneumatic control mechanism is provided with a communication port used for communicating the atmosphere, the communication port is communicated with the working port through the cavity, and the pneumatic control mechanism is used for controlling the communication of the working port with the communication port or the vacuum port. The utility model discloses a be provided with gas accuse mechanism, specifically for the mode through gas accuse mechanism shutoff intercommunication mouth or vacuum mouth has realized switching between evacuation state and broken vacuum state, thereby reduced the utility model discloses the required part of switching state has simplified the utility model discloses a structure.
Description
Technical Field
The utility model belongs to the technical field of the pore element technique and specifically relates to indicate a combination valve with vacuum extraction and vacuum destruction function.
Background
In the current automatic production, for some workpieces with smaller weight, the vacuum suction mode is adopted to carry out the grabbing movement. The vacuum suction is generally a vacuum valve, that is, a vacuum is pumped and broken in the vacuum valve to grab or put down the workpiece.
However, the current vacuum valve has the following disadvantages: the breaking and drawing of vacuum are performed by two mechanisms, respectively, which undoubtedly results in an increase in the components of the vacuum valve, and thus in a more complex structure of the vacuum valve.
Disclosure of Invention
The utility model discloses problem to prior art provides a combination valve with vacuum extraction and vacuum destruction function, can realize switching between evacuation and broken vacuum two kinds of states through a part.
In order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model provides a combination valve with vacuum extraction and vacuum destruction functions, which comprises a base and an air control mechanism arranged at the top of the base, wherein a hollow cavity is arranged between the base and the air control mechanism, two sides of the base are respectively provided with a working port and a vacuum port for externally connecting a vacuum pump, and the working port and the vacuum port are communicated through the cavity;
the pneumatic control mechanism is provided with a communication port used for communicating the atmosphere, the communication port is communicated with the working port through the cavity, and the pneumatic control mechanism is used for controlling the communication of the working port with the communication port or the vacuum port.
Further, the pneumatic control mechanism comprises a top seat and an air cylinder, the top seat is arranged at the top of the base, the communication port is arranged on the side wall of the top seat, and the cavity is arranged between the top seat and the base; the cylinder comprises a cylinder body, a piston rod and a sealing element, the cylinder body is arranged on the top seat, one end of the piston rod is movably arranged in the cylinder body, the other end of the piston rod is positioned in the cavity, and the sealing element is arranged at the other end of the piston rod; the sealing element is used for sealing off the communication port or the vacuum port.
Furthermore, the base is also provided with a vacuum communication hole, the cavity is communicated with the vacuum port through the vacuum communication hole, and the center line of the vacuum communication hole is vertical to the center line of the vacuum port; the sealing element is inserted into the vacuum communication hole and used for plugging the vacuum port.
Furthermore, the top seat is connected with the base through screws, and a sealing glaze layer is arranged between the top seat and the base.
Furthermore, the base is also provided with a working communication hole, the cavity is communicated with the working port through the working communication hole, and the central line of the working communication hole is perpendicular to the central line of the vacuum port.
Furthermore, the vacuum filter further comprises a connecting pipe, one end of the connecting pipe is connected to the working port, vacuum filter cotton is arranged inside the other end of the connecting pipe, and a nut is arranged at the other end of the connecting pipe.
The utility model has the advantages that: the utility model discloses a be provided with gas accuse mechanism, specifically for the mode through gas accuse mechanism shutoff intercommunication mouth or vacuum mouth has realized switching between evacuation state and broken vacuum state, thereby reduced the utility model discloses the required part of switching state has simplified the utility model discloses a structure.
Drawings
Fig. 1 is a schematic view of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic view of the cylinder of the present invention.
Fig. 4 is a sectional view taken along direction a of fig. 1.
Fig. 5 is an internal schematic view of the connecting pipe of the present invention.
Reference numerals: the device comprises a base, a pneumatic control mechanism, 11, a working port, 12, a vacuum port, 13, a vacuum communication hole, 14, a working communication hole, 15, a glaze layer, 16, a connecting pipe, 21, a communication port, 22, a top seat, 23, an air cylinder, 161, vacuum filter cotton, 162, a nut, 231, a cylinder body, 232, a piston rod and 233, and a sealing piece.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the utility model provides a combination valve with vacuum pumping and vacuum breaking functions, including base 1 and the pneumatic control mechanism 2 arranged at the top of base 1, a hollow cavity (not labeled in the figure) is arranged between base 1 and pneumatic control mechanism 2, both sides of base 1 are respectively provided with a working port 11 and a vacuum port 12 for connecting an external vacuum pump, and working port 11 and vacuum port 12 are communicated through the cavity; the pneumatic control mechanism 2 is provided with a communication port 21 used for communicating the atmosphere, the communication port 21 is communicated with the working port 11 through the cavity, and the pneumatic control mechanism 2 is used for controlling the communication between the working port 11 and the communication port 21 or the vacuum port 12.
Namely, when the utility model is in a vacuum pumping state, the communication port 21 is blocked by the air control mechanism 2 so that the communication port 21 and the working port 11 are in a blocking state, and the working port 11 and the vacuum port 12 are in a conducting state through the cavity, at the moment, as long as the working port 11 supports a workpiece to be grabbed, the internal part of the cavity is extracted to be in a vacuum state by the external vacuum pump, and the workpiece is grabbed through the pressure difference between the inside and the outside of the cavity; after the workpiece is transferred to a designated position, the pneumatic control mechanism 2 blocks the vacuum port 12 to enable the vacuum port 12 and the working port 11 to be in a blocking state, and the communication port 21 and the vacuum port 12 are in a communication state through the cavity, so that the cavity is communicated with the external atmosphere to achieve a vacuum breaking effect, and the air pressure in the cavity is consistent with the atmospheric pressure to achieve a workpiece putting-down effect. Compare with current vacuum valve, the utility model discloses only can realize through gas accuse mechanism 2 the utility model discloses switch between evacuation and broken vacuum two kinds of states, thereby simplified the utility model discloses a structure.
As shown in fig. 2 and 3, in the present embodiment, the air control mechanism 2 includes a top seat 22 and an air cylinder 23, the top seat 22 is disposed on the top of the base 1, the communication port 21 is disposed on a side wall of the top seat 22, and the cavity is disposed between the top seat 22 and the base 1; the cylinder 23 comprises a cylinder body 231, a piston rod 232 and a sealing element 233, the cylinder body 231 is arranged on the top seat 22, one end of the piston rod 232 is movably arranged in the cylinder body 231, the other end of the piston rod 232 is positioned in the cavity, and the sealing element 233 is arranged at the other end of the piston rod 232; the sealing member 233 is used to seal the communication port 21 or the vacuum port 12. That is, the present invention uses the piston rod 232 of the cylinder 23 to drive the sealing member 233 to block the communication port 21 or the vacuum port 12, and only one sealing member 233 is provided, so that each action of the cylinder 23 can only block the communication port 21 or the vacuum port 12, thereby realizing the state switching of the present invention; the cylinder 23 has larger power and simple action, so that the vacuum state with larger vacuum degree can be destroyed, and the heavy workpiece can be grabbed without excessively increasing the volume of the utility model; specifically, the operation principle of the pneumatic control mechanism 2 is as shown in fig. 4.
Specifically, since the central axis of the vacuum port 12 is perpendicular to the moving direction of the sealing member 233, which may cause inconvenience in blocking, in this embodiment, as shown in fig. 2, the base 1 is further provided with a vacuum communication hole 13, the cavity is communicated with the vacuum port 12 through the vacuum communication hole 13, and the center line of the vacuum communication hole 13 is perpendicular to the center line of the vacuum port 12; the sealing member 233 is inserted into the vacuum communication hole 13 to seal off the vacuum port 12. That is, the upper opening direction of the vacuum communication hole 13 is opposite to the sealing member 233, so that the sealing member 233 can be assembled in the vacuum communication hole 13 when being descended and has an effect of sealing the vacuum communication hole 13, thereby achieving an effect of sealing the vacuum port 12.
Specifically, as shown in fig. 2, the top seat 22 and the base 1 are connected through screws, and a sealing glaze layer 15 is arranged between the top seat 22 and the base 1. Namely, the top seat 22 and the base seat 1 can be disassembled, thereby being convenient for maintenance; the sealing glaze layer 15 is arranged to seal the gap between the footstock 22 and the base 1 after the footstock 22 is installed on the top of the base 1, so that the cavity is prevented from contacting with the outside through the joint of the footstock 22 and the base 1, and the stability of the inside of the cavity in a vacuum state is ensured.
Specifically, as shown in fig. 2, the base 1 is further provided with a working communication hole 14, the cavity is communicated with the working port 11 through the working communication hole 14, and a center line of the working communication hole 14 is perpendicular to a center line of the vacuum port 12. Through the setting of work intercommunicating pore 14 for external atmosphere just contacts with the work piece through work mouthful 11 after the buffering of work intercommunicating pore 14 is got into the cavity, avoids the too big work piece of atmospheric velocity to blow away, has guaranteed the stability of unloading.
As shown in fig. 5, in this embodiment, the present invention further includes a connecting pipe 16, one end of the connecting pipe 16 is connected to the working opening 11, the vacuum filter cotton 161 is disposed inside the other end of the connecting pipe 16, and the other end of the connecting pipe 16 is provided with a nut 162. When the vacuum pump is in a vacuum pumping state and does not contact with a workpiece, external air is pumped into the cavity, and the air is pumped into the vacuum pump through the cavity; the vacuum filter cotton 161 has the function of filtering air, so that the vacuum pump is prevented from being damaged due to the fact that impurities in the air holes enter the vacuum pump; the nut 162 serves to press the vacuum filter pad 161 after it is inserted into the connection tube 16, thereby preventing the vacuum filter pad from being separated from the connection tube 16.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.
Claims (6)
1. The utility model provides a combination valve with vacuum pumping and vacuum destruction function, includes the base and set up in the air control mechanism at the top of base, its characterized in that: a hollow cavity is arranged between the base and the air control mechanism, a working port and a vacuum port for externally connecting a vacuum pump are respectively arranged on two sides of the base, and the working port is communicated with the vacuum port through the cavity;
the pneumatic control mechanism is provided with a communication port used for communicating the atmosphere, the communication port is communicated with the working port through the cavity, and the pneumatic control mechanism is used for controlling the communication of the working port with the communication port or the vacuum port.
2. The combination valve with vacuum extraction and vacuum break functions of claim 1, wherein: the pneumatic control mechanism comprises a top seat and an air cylinder, the top seat is arranged at the top of the base, the communication port is arranged on the side wall of the top seat, and the cavity is arranged between the top seat and the base; the cylinder comprises a cylinder body, a piston rod and a sealing element, one end of the piston rod is movably arranged in the cylinder body, the other end of the piston rod is positioned in the cavity, the cylinder body is arranged on the top seat, the piston rod is positioned in the cavity, and the sealing element is arranged at the other end of the piston rod; the sealing element is used for sealing off the communication port or the vacuum port.
3. The combination valve with vacuum extraction and vacuum break functions of claim 2, wherein: the base is also provided with a vacuum communication hole, the cavity is communicated with the vacuum port through the vacuum communication hole, and the center line of the vacuum communication hole is vertical to the center line of the vacuum port; the sealing element is inserted into the vacuum communication hole and used for plugging the vacuum port.
4. The combination valve with vacuum extraction and vacuum break functions of claim 2, wherein: the footstock with the base passes through screwed connection, the footstock with be provided with sealed glazed layer between the base.
5. Combination valve with vacuum extraction and vacuum break function according to claim 1 or 2, characterized in that: the base is further provided with a working communication hole, the cavity is communicated with the working port through the working communication hole, and the center line of the working communication hole is perpendicular to the center line of the vacuum port.
6. The combination valve with vacuum extraction and vacuum break functions of claim 1, wherein: the vacuum filter is characterized by further comprising a connecting pipe, one end of the connecting pipe is connected to the working port, vacuum filter cotton is arranged inside the other end of the connecting pipe, and a nut is arranged at the other end of the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920830510.XU CN210218873U (en) | 2019-05-31 | 2019-05-31 | Combination valve with vacuum pumping and vacuum breaking functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920830510.XU CN210218873U (en) | 2019-05-31 | 2019-05-31 | Combination valve with vacuum pumping and vacuum breaking functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210218873U true CN210218873U (en) | 2020-03-31 |
Family
ID=69930195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920830510.XU Active CN210218873U (en) | 2019-05-31 | 2019-05-31 | Combination valve with vacuum pumping and vacuum breaking functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210218873U (en) |
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2019
- 2019-05-31 CN CN201920830510.XU patent/CN210218873U/en active Active
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