CN217813779U

CN217813779U - Bidirectional discharging high-precision metering pump for conveying high-viscosity liquid

Info

Publication number: CN217813779U
Application number: CN202222189978.XU
Authority: CN
Inventors: 黄金仕
Original assignee: XIAMEN VACTEC EQUIPMENT CO Ltd
Current assignee: XIAMEN VACTEC EQUIPMENT CO Ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-11-15
Anticipated expiration: 2032-08-19

Abstract

The utility model relates to the technical field of metering pumps, in particular to a bidirectional discharging high-precision metering pump for conveying high-viscosity liquid, which comprises an upper cavity and a lower cavity, wherein pistons are arranged in the middle of the upper cavity and the lower cavity, a rod body is arranged in the middle of the inside of the whole metering pump, and the pistons, the rod body, a locking nut and a piston sealing gasket are combined into an integral structure; the top of the upper cavity is provided with a sealing assembly and a servo electric cylinder assembly, the bottom of the lower cavity is provided with an electro-pneumatic ball valve and is fixed through a pressure plate, the feed port is located in the middle of the pressure plate, and two discharge ports are arranged on the same side of the upper cavity and the lower cavity respectively. The utility model discloses a piston carries out a reciprocating motion and can carry out twice ejection of compact action to the material, and the ejection of compact is fast, and is efficient, can realize the continuity of similar gear pump or screw pump and beat the material, compares one-way ejection of compact motion stroke and shortens, and ejection of compact flow is big, efficient.

Description

Bidirectional discharging high-precision metering pump for conveying high-viscosity liquid

Technical Field

The utility model relates to a measuring pump technical field specifically is a two-way ejection of compact high accuracy measuring pump for high viscosity liquid is carried.

Background

The piston type material beating metering pump is widely applied to the production and manufacturing fields of transformer insulating parts, wind-power blades and the like in the power and electrician industry, and along with the application requirements of the industry on high-viscosity sizing materials, the requirements on the material conveying mode and the material conveying capacity of the material beating pump are higher and higher.

The existing piston type material beating pump generally adopts a structure for pushing a piston in the pump to extrude materials in a material cavity, so that the discharging is realized, most of the materials are discharged in a one-way mode, and the piston can perform one-time discharging action on the materials only by one-time reciprocating motion. The feeding pump has the advantages of low discharging speed, low efficiency and discontinuous discharging, and brings great invariance to related operations.

Therefore, it is desirable to provide a two-way discharge high precision metering pump for high viscosity liquid delivery.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way ejection of compact high accuracy measurement pump for high viscosity liquid is carried to solve the problem that provides among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a two-way discharge high-precision metering pump for conveying high-viscosity liquid is composed of an upper cavity and a lower cavity, wherein pistons are arranged in the middle of the upper cavity and the lower cavity, a rod body is arranged in the middle of the inside of the whole metering pump, and the pistons, the rod body, a locking nut and a piston sealing gasket are combined into an integral structure; the top of the upper cavity is provided with a sealing assembly and a servo electric cylinder assembly, the bottom of the lower cavity is provided with an electro-pneumatic ball valve and is fixed through a pressure plate, the feed port is located in the middle of the pressure plate, and two discharge ports are arranged on the same side of the upper cavity and the lower cavity respectively.

Preferably, the lower end of the upper cavity is provided with a piston sealing gasket, and the lower end of the piston sealing gasket is connected with the lower cavity.

Preferably, a sealing structure is arranged between the upper part of the electric ball valve and the cavity.

Preferably, the piston and the piston gasket are arranged inside the upper cavity body and the lower cavity body.

Preferably, a channel is arranged between the two discharge ports for connection, a one-way valve A and a one-way valve B are arranged between the two discharge ports, and a pressure sensor is arranged beside one discharge port.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model relates to a two-way ejection of compact high accuracy measurement pump for high viscosity liquid is carried, the piston carries out a reciprocating motion and can carry out twice ejection of compact action to the material, and ejection of compact is fast, and is efficient, can realize the continuity of similar gear pump or screw pump and beat the material.

2. The utility model relates to a two-way ejection of compact pump of beating compares one-way ejection of compact motion stroke and shortens, and ejection of compact flow is big, and is efficient.

3. Compared with the prior art, the maintenance is convenient.

Drawings

Fig. 1 is a schematic view of the installation structure of the present invention;

FIG. 2 is an enlarged view of a portion D of FIG. 1;

FIG. 3 is a perspective view of FIG. 1;

FIG. 4 is a schematic view of the downward movement of the connecting shaft of the present invention;

fig. 5 is a working schematic diagram of the upward movement of the connecting shaft of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a two-way ejection of compact high accuracy measurement pump for high viscosity liquid is carried each part cooperation as follows: the servo electric cylinder assembly 1 is arranged above the sealing assembly 2; the sealing assembly 2 is positioned above the upper cavity 4, the lower end of the upper cavity 4 is provided with a piston sealing gasket 5, the lower end of the piston sealing gasket 5 is connected with the lower cavity 7, the lower cavity 7 is connected with the electro-pneumatic ball valve 9, the bottom of the electro-pneumatic ball valve 9 is provided with the pressure plate 10, a sealing structure is arranged between the upper part of the electro-pneumatic ball valve 9 and the cavity, the piston 6 and the piston sealing gasket 5 are arranged in the upper and lower cavities, the rod body 3 is arranged in the middle of the inside of the whole device, the piston 6, the rod body 3, the locking nut 8 and the piston sealing gasket 5 are combined into a whole, a feeding port is positioned in the middle of the pressure plate 10, two discharging ports are respectively positioned at one side of the upper cavity 4, which is the same with the lower cavity 7, the device has one pressure sensor 13, and one-way valves A11 and B12 are arranged in pipelines of the discharging port 1 and the discharging port 2;

the utility model relates to a two-way ejection of compact high accuracy measuring pump for high viscosity liquid is carried has following two kinds of motion modes:

<1> servo electric cylinder assembly 1 starts, drives the body of rod 3 downstream, electropneumatic ball valve 9 closes, piston 3 eliminates the clearance promotion downwards piston 6, cavity 7 becomes an airtight space down, and the intracavity sizing material receives the extrusion and discharges from the discharge gate, receives from up pressure down and opens check valve A11 and check valve B12 rear end pressure setting sizing material enter into the last cavity 4 of telling and cause to go up the pump chamber and be full of back sizing material and reach rear end pressure setting valve and back-end pressure setting valve and open and carry the rear end from discharge gate 3 to the back-end

<2> the body of rod 3 upward movement, pneumatic ball valve 9 opens, and the sizing material is followed pressure disk 10 enters into the lower pump chamber 7 of telling, push rod 3 upwards eliminates the clearance pulling piston 6, piston 6 upwards eliminates the clearance according to the sizing material has been full of in the downward movement upper pump chamber 4, upper chamber 4 becomes a confined space, and intracavity sizing material receives the extrusion and discharges from discharge gate 2, and the sizing material extrudes from discharge gate 2, check valve A11 and check valve B12 receive downward pressure airtight, and the sizing material can only be extruded from the discharge gate.

The piston carries out a reciprocating motion and can carry out twice ejection of compact action to the material, realizes the continuity ramming, and the clearance size between piston and the piston gasket is set for according to the piston size, and the mutual cluster of pump chamber is expected about this clearance compensation of accessible comes isolated, and the shape of design chock plug can be various but closely cooperate with upper and lower piston mouth, has seal structure between each cavity for this cavity can form an airtight space during the ejection of compact, installs in the discharge gate pressure sensor 13, two check valves of installation in discharge gate and the discharge gate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a two-way ejection of compact high accuracy measurement pump for high viscosity liquid is carried which characterized in that: the metering pump consists of an upper cavity and a lower cavity, wherein the middle parts of the upper cavity and the lower cavity are provided with pistons, a rod body is arranged in the middle of the inside of the whole metering pump, and the pistons, the rod body, a locking nut and a piston sealing gasket are combined into an integral structure; go up the cavity top and be equipped with sealed assembly and servo electric cylinder assembly, lower cavity bottom is equipped with the electro-pneumatic ball valve to it is fixed through the pressure disk, the feed inlet is located the pressure disk positive centre, and sets up two discharge gates with one side at last cavity and lower cavity respectively.

2. The bidirectional discharging high-precision metering pump for high-viscosity liquid conveying as claimed in claim 1, wherein: the lower end of the upper cavity is provided with a piston sealing gasket, and the lower end of the piston sealing gasket is connected with the lower cavity.

3. The bidirectional discharging high-precision metering pump for high-viscosity liquid conveying as claimed in claim 1, wherein: and a sealing structure is arranged between the upper part of the electro-pneumatic ball valve and the cavity.

4. A two-way discharge high precision metering pump for high viscosity liquid delivery according to claim 3, wherein: the piston and the piston sealing gasket are arranged inside the upper cavity body and the lower cavity body.

5. The bidirectional discharging high-precision metering pump for high-viscosity liquid conveying as claimed in claim 1, wherein: two be equipped with the access connection in the middle of the discharge gate, be equipped with check valve A and check valve B between two discharge gates to be equipped with pressure sensor by one of them discharge gate.