Disclosure of Invention
The technical problem to be solved by the invention is as follows: the device for draining the vacuum pipeline is provided for solving the defect that the vacuum pipeline of the glass polishing equipment in the prior art is easy to block.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an apparatus for vacuum line drainage, comprising:
the water pumping device comprises a water pumping cylinder body, a piston rod and a water pump, wherein one end of the water pumping cylinder body is provided with two pipeline connectors, and the other end of the water pumping cylinder body is provided with a through hole for the piston rod to extend out;
the main body of the pumping piston is arranged inside the pumping cylinder body, and the piston rod of the pumping piston extends out of the through hole to the outside of the pumping cylinder body;
the driving rod of the air cylinder is connected with the piston rod;
one end of the water inlet one-way valve is connected to one of the pipeline connectors, and the other end of the water inlet one-way valve is used for connecting a vacuum pipeline; the water inlet one-way valve can flow from the vacuum pipeline to the water pumping cylinder body in a passing direction;
a water outlet one-way valve;
the wastewater tank is connected with the other pipeline interface of the pumping cylinder body through a pipeline, and a water outlet one-way valve is arranged on the pipeline; the passing direction of the water outlet one-way valve is from the pumping cylinder to the wastewater tank.
Preferably, according to the device for vacuum pipeline drainage, one end of the pumping cylinder body is provided with a cylinder cover, two pipeline connectors are arranged on the cylinder cover, and the cylinder cover is fixed on the main body part of the pumping cylinder body through screws.
Preferably, in the device for vacuum pipeline drainage of the present invention, the water inlet check valve and the water outlet check valve are pipe type check valves.
Preferably, according to the device for vacuum pipeline drainage, the ends of the water inlet check valve and the water outlet check valve are provided with pagoda joints.
Preferably, in the device for vacuum pipeline drainage of the present invention, the water inlet check valve and the water outlet check valve are connected to the pipe interface of the cylinder cover through the screwed joint.
Preferably, in the device for vacuum line drainage of the present invention, a sealing ring is embedded in a circumference of a main body of the pumping piston.
Preferably, in the device for vacuum line drainage of the present invention, the driving rod of the cylinder is connected to the piston rod through a floating joint.
Preferably, the device for vacuum pipeline drainage further comprises a cylinder bracket and a bottom plate;
the water pumping cylinder body is fixed on the bottom plate, the air cylinder is fixed on the air cylinder support, and the air cylinder support is fixed on the bottom plate.
Preferably, in the device for vacuum pipeline drainage of the invention, the water pumping cylinder body is coaxially connected with the air cylinder.
The invention has the beneficial effects that:
accumulated water in the vacuum pipeline is discharged through the forward and reverse arrangement of the check valve structure, and the adsorption effect of the vacuum pipeline side is not influenced in the process.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Examples
The present embodiment provides an apparatus for vacuum line drainage, as shown in fig. 1-3, comprising:
the water pumping device comprises a water pumpingcylinder body 4, wherein one end of the waterpumping cylinder body 4 is provided with two pipeline connectors, and the other end of the water pumping cylinder body is provided with a through hole for extending a piston rod;
apumping piston 6, the main body of thepumping piston 6 is arranged inside the pumpingcylinder 4, and the piston rod of thepumping piston 6 extends out of the through hole to the outside of the pumpingcylinder 4;
the driving rod of thecylinder 9 is connected with the piston rod;
one end of the water inlet one-way valve 21 is connected to one of the pipeline connectors, and the other end of the water inlet one-way valve is used for connecting a vacuum pipeline; the waterinlet check valve 21 can pass through the direction from the vacuum pipeline to the pumpingcylinder 4;
a wateroutlet check valve 22;
thewastewater tank 12 is connected with the other pipeline interface of the pumpingcylinder 4 through a pipeline, and a water outlet one-way valve 22 is arranged on the pipeline; the direction of passage of theoutlet check valve 22 is from the pumpingcylinder 4 to thewastewater tank 12.
In the device for vacuum pipeline drainage of the embodiment, when the driving rod of thecylinder 9 extends to push thepumping piston 6 to move forward, so that positive pressure is generated in the pumpingcylinder 4, the wateroutlet check valve 22 is opened under the action of the positive pressure, the waterinlet check valve 21 is closed under the action of the positive pressure, so as to exhaust gas in thepumping cylinder 4, when thecylinder 9 retracts, negative pressure is formed in the pumpingcylinder body 4, the waterinlet check valve 21 is forced to be opened, the wateroutlet check valve 22 is closed, accumulated water in a vacuum pipeline connected with the waterinlet check valve 21 can be pumped into the pumpingcylinder body 4, when thecylinder 9 pushes thepumping piston 6 to move forward again, the positive pressure in the pumpingcylinder 4 closes the waterinlet check valve 21 again, and theoutlet check valve 22 is opened, the accumulated water is discharged to thewaste water tank 12, and the water in the vacuum pipeline is continuously discharged when the processes are repeated.
The structure is simple, the cost is low, the drainage efficiency is high, and the adsorption effect of the vacuum pipeline is not influenced in the drainage process.
Preferably, as shown in fig. 2, one end of thepumping cylinder 4 has acylinder cover 5, two pipe joints are provided on thecylinder cover 5, and thecylinder cover 5 is fixed to the main body of thepumping cylinder 4 by screws. The detachable structure of thecylinder cover 5 is convenient for the installation and the detachment of thepumping piston 6.
Preferably, in the device for vacuum pipeline drainage of the present embodiment, as shown in fig. 3, the waterinlet check valve 21 and the wateroutlet check valve 22 are tube type check valves. The end parts of the waterinlet check valve 21 and the wateroutlet check valve 22 are provided with pagoda joints 1. The pagoda joint 1 is used for connecting a vacuum pipeline, a wastewater pool and a drainage mechanism. The waterinlet check valve 21 and the wateroutlet check valve 22 are connected with the pipeline interface of thecylinder cover 5 through the screw joint 3.
Preferably, in the device for vacuum line drainage of the present embodiment, as shown in fig. 2, a sealing ring 7 is embedded in the circumference of the main body of thepumping piston 6. The sealing function is achieved.
Preferably, in the device for vacuum line drainage of the present embodiment, as shown in fig. 2, the driving rod of thecylinder 9 is connected to the piston rod through a floating joint 8.
Preferably, the device for vacuum pipeline drainage of the embodiment, as shown in fig. 3, further comprises acylinder support 10, a bottom plate 11;
the waterpumping cylinder body 4 is fixed on the bottom plate 11, theair cylinder 9 is fixed on theair cylinder support 10, and theair cylinder support 10 is fixed on the bottom plate 11.
Preferably, in the device for vacuum pipeline drainage of the present embodiment, as shown in fig. 2 and 3, thepumping cylinder 4 is coaxially connected to thecylinder 9.
In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.