CN207921002U - Liquid quantitative dispenses hydraulic cylinder - Google Patents

Liquid quantitative dispenses hydraulic cylinder Download PDF

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Publication number
CN207921002U
CN207921002U CN201721674839.9U CN201721674839U CN207921002U CN 207921002 U CN207921002 U CN 207921002U CN 201721674839 U CN201721674839 U CN 201721674839U CN 207921002 U CN207921002 U CN 207921002U
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CN
China
Prior art keywords
liquid
hydraulic cylinder
hydraulic
piston
end cap
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201721674839.9U
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Chinese (zh)
Inventor
张蕊华
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Lishui University
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Lishui University
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Priority to CN201721674839.9U priority Critical patent/CN207921002U/en
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Publication of CN207921002U publication Critical patent/CN207921002U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a kind of liquid quantitatives to dispense hydraulic cylinder, including hydraulic cylinder and liquid dosing machine structure, the piston of the hydraulic cylinder separates hydraulic oil with the liquid dispensed is needed, the liquid dosing machine structure is mounted on the left of the hydraulic cylinder, the hydraulic cylinder includes cylinder body, piston and piston rod, the piston is set to cylinder interior, the piston rod inner termination is set on piston, the piston rod external end head is set in the liquid dosing machine structure, hydraulic cavities end cap is equipped on the left of the hydraulic cylinder, liquid separation chamber end cap is equipped on the right side of the hydraulic cylinder, the hydraulic cavities end cap upper and lower part is respectively equipped with solenoid valve fuel feed hole and solenoid valve oil outlet, the liquid separation chamber end cap upper and lower part is respectively equipped with check valve inlet opening and check valve fluid hole.Liquid quantitative of the utility model for factory dispenses.

Description

Liquid quantitative dispenses hydraulic cylinder
Technical field
The purpose of this utility model is to provide a kind of simple in structure, the liquid quantitative packing hydraulic cylinders of low cost.
Background technology
It is required for carrying out quantitative separating to liquid in fields such as chemical industry, pharmacy, food.Packed dose is accurate in order to obtain Property, all measurement can be quantified using graduated cylinder in packing, then pour into small container.Packing process is very cumbersome, and efficiency is low. Many quantitative separating devices in the market, need manual operations, since the dynamics of human hand is different, cause the control of amount of liquid not smart enough Really, especially a small amount of liquid subpackage, it is difficult to ensure that every deal is identical, and there are waste of manpower resource, complicated, costs The defects of higher.Currently, needing a kind of liquid quantitative packaging device simple in structure, at low cost in the market.
Utility model content
The utility model solves the deficiencies in the prior art, and to achieve the above object, the utility model discloses a kind of liquid The piston of body quantitative separating hydraulic cylinder, including hydraulic cylinder and liquid dosing machine structure, the hydraulic cylinder by hydraulic oil and needs The liquid of packing separates, and the liquid dosing machine structure is mounted on the left of the hydraulic cylinder, and the hydraulic cylinder includes Cylinder body, piston and piston rod, the piston are set to cylinder interior, cylinder interior are divided into two parts of left and right, the left side is liquid separation Chamber, the right are hydraulic cavities, and the piston rod inner termination is set on piston, and the piston rod external end head is set to the liquid In quantitative separating mechanism, it is equipped with hydraulic cavities end cap on the left of the hydraulic cylinder, liquid separation chamber end cap is equipped on the right side of the hydraulic cylinder, The hydraulic cavities end cap upper and lower part is respectively equipped with solenoid valve fuel feed hole and solenoid valve oil outlet, the liquid separation chamber end cap Upper and lower part is respectively equipped with check valve inlet opening and check valve fluid hole.
The liquid dosing machine structure is set on the outside of hydraulic cavities end cap, and the liquid dosing machine structure includes adjusting Stroke-limit chamber, stop screw hole and stop screw are saved, the stop screw is set on stop screw hole, the piston rod Left side be equipped with screw hole, the stop screw pass through body-packing on stop screw hole after enter adjust stroke-limit intracavitary with Screw hole connection on the left of piston rod, so that stop screw is connect with piston rod, it is described to be adjusted by stop screw The stroke of piston rod.
Spring is cased with outside the piston rod, the spring one end peaks on the inside of hydraulic cavities end cap, and the other end peaks at On piston area.
The hydraulic cylinder and hydraulic cavities end cap fixed by screw and contact surface be equipped with rubber pad, the hydraulic cylinder and Liquid separation chamber end cap is fixed by screw and contact surface is equipped with rubber pad;The solenoid valve fuel feed hole and solenoid valve oil outlet and hydraulic pressure Contact surface between chamber end cap be equipped with rubber pad, the check valve inlet opening and check valve fluid hole and liquid separation chamber end cap it Between contact surface be equipped with rubber pad.
The mating surface of the piston and hydraulic cylinder is equipped with twice A sealing rings, to make between liquid separation chamber and hydraulic cavities Keep good leakproofness;The mating surface of the piston rod and hydraulic cavities end cap is equipped with twice B sealing rings, to make hydraulic cavities Good leakproofness is kept between stroke-limit chamber.
A kind of method for filling of liquid quantitative packing hydraulic cylinder, liquid quantitative packing hydraulic cylinder pass through control system Solenoid valve fuel feed hole is opened, hydraulic oil is passed into hydraulic cavities, hydraulic fluid pressure is generated in hydraulic cavities, when hydraulic oil pressure is made every effort to overcome After taking the pulling force of spring, piston starts to move to far from stop screw direction under the action of hydraulic fluid pressure, i.e., transports to the right Dynamic, piston is connected to piston rod and spring and is moved to far from stop screw direction, and the volume of hydraulic cavities increases, the volume of liquid separation chamber Reduce, in the case where liquid separation chamber waits for the fluid pressure effect of liquid separation, check valve fluid hole is opened, and will be waited for that the liquid of liquid separation is discharged, is worked as work Stopper rod reaches right limit point, and piston and piston rod stop motion, liquid separation cavity volume no longer reduce, and wait for that the fluid pressure of liquid separation disappears It loses, check valve fluid hole is closed, and then closes solenoid valve fuel feed hole by control system;Then electromagnetism is opened by control system Valve oil outlet, under the pulling force effect of spring, piston and piston rod are moved towards stop screw, and the volume of hydraulic cavities reduces, point Sap cavity volume increases and pressure reduces, and so that check valve inlet opening is opened, waits for that the liquid of liquid separation enters liquid separation chamber, until piston rod reaches It is no longer moved to left limit point, liquid separation intracavitary pressure is balanced with extraneous, is made check valve feed liquor bore closure, is then passed through control system Close solenoid valve oil outlet;In use, solenoid valve fuel feed hole connects hydraulic pump by oil inlet pipe, solenoid valve oil outlet passes through fuel-displaced Pipe connects fuel tank, and check valve inlet opening connects liquid storage container by inlet tube, and check valve fluid hole is quantitative by outlet tube Storage container.
A kind of method for filling of liquid quantitative packing hydraulic cylinder, the stop screw is for adjusting stroke-limit chamber Length, to the displacement distance of regulating piston bar and piston, to change the volume of packing liquid every time;When stroke-limit chamber position It sets after setting, the length of the stroke-limit chamber is constant, so that the movement travel of piston rod and piston is also constant, So that the amount of sucking and extrusion liquid is identical in each stroke, liquid quantitative decile is realized;It is deposited on the left of the piston Liquid to be packed is stored in tapping pressure oil, the other side, and the piston motion draws liquid into or extrudes;On the left of the piston Equipped with spring, after the hydraulic cylinder is passed through hydraulic oil, the piston stress is open, and the spring is stretched, and works as institute The solenoid valve oil outlet stated is opened, the spring contraction so that piston motion.
The beneficial effects of the utility model are:The utility model is simple in structure, facilitates control, and cost is relatively low, is easy to use And maintenance, it can accurately and conveniently realize the quantitative separating of liquid, when use need to only use stroke of the micrometer adjusting screw to piston rod It is controlled, the solenoid valve fuel feed hole in hydraulic cavities is connected into hydraulic pump by oil inlet pipe, the solenoid valve in hydraulic cavities is fuel-displaced Hole connects fuel tank by flowline, the check valve inlet opening of liquid separation chamber is connected liquid container by inlet tube, by liquid separation The check valve fluid hole of chamber connects quantitative storage container by outlet tube and can start to work.Each parts connection of the utility model Reliably, it is convenient for manufacture and safeguards, hydraulic cavities also keeps good leakproofness between liquid separation chamber, avoid the occurrence of leakage phenomenon.Using The liquid quantitative dispenses hydraulic cylinder, has the following advantages:
1, by controlling limit, cavity length is constant can be accurately controlled liquid quantitative decile.
2, the volume of liquid is easily controlled by stop screw.
3, simple to operate, it is efficient.
Description of the drawings
Fig. 1 is the full sectional view structural schematic diagram of the utility model.
Specific implementation mode
As shown, the utility model includes hydraulic cylinder and liquid dosing machine structure, the piston 9 of the hydraulic cylinder is by liquid Pressure oil is separated with the liquid dispensed is needed, and the liquid dosing machine structure is mounted on the left of the hydraulic cylinder, described Hydraulic cylinder includes cylinder body 7, piston 9 and piston rod 15, and the piston 9 is set to inside cylinder body 7, and left and right will be divided into inside cylinder body 7 Two parts, the left side are liquid separation chamber 14, and the right is hydraulic cavities 13, and 15 inner termination of piston rod is set on piston 9, the work 15 external end head of stopper rod is set in the liquid dosing machine structure, i.e., external end head, which is set to, is adjusted in stroke-limit chamber 19, described Hydraulic cylinder on the left of be equipped with hydraulic cavities end cap 17, liquid separation chamber end cap 10, the hydraulic cavities end are equipped on the right side of the hydraulic cylinder 17 upper and lower part of lid is respectively equipped with solenoid valve fuel feed hole 3 and solenoid valve oil outlet 18,10 top of liquid separation chamber end cap and Lower part is respectively equipped with check valve inlet opening 11 and check valve fluid hole 12.
The liquid dosing machine structure is set to 17 outside of hydraulic cavities end cap, and the liquid dosing machine structure includes Stroke-limit chamber 19, stop screw hole 2 and stop screw 1 are adjusted, the stop screw 1 is set on stop screw hole 2, described The left side of piston rod 15 be equipped with screw hole 20, the stop screw 1 is passed through to enter behind the stop screw hole 2 in body-packing and be adjusted It is connect with the screw hole 20 in 15 left side of piston rod in stroke-limit chamber 19, so that stop screw 1 is connect with piston rod 15, to The stroke of the piston rod 15 is adjusted by stop screw 1.
Spring 16 is cased with outside the piston rod 15, described 16 one end of spring is fixed on 17 on the inside of hydraulic cavities end cap, The other end is fixed on 9 face of piston.
The hydraulic cylinder body 7 and hydraulic cavities end cap 17 is fixed by screw 5 and contact surface is equipped with rubber pad 6, described Hydraulic cylinder body 7 and liquid separation chamber end cap 10 fixed by screw and contact surface be equipped with rubber pad 6;The solenoid valve fuel feed hole 3 Contact surface between solenoid valve oil outlet 18 and hydraulic cavities end cap 17 is equipped with rubber pad 6, the check valve inlet opening 11 Contact surface between check valve fluid hole 12 and liquid separation chamber end cap 10 is equipped with rubber pad.
The mating surface of the piston 9 and hydraulic cylinder body 7 is equipped with twice A sealing rings 8, to make liquid separation chamber 13 and liquid Good leakproofness is kept between pressure chamber 14;The mating surface of the piston rod 15 and hydraulic cavities end cap 17 is equipped with twice B sealings Circle 4, to make to keep good leakproofness between hydraulic cavities 14 and stroke-limit chamber 19.
The liquid quantitative packing hydraulic cylinder opens solenoid valve fuel feed hole 3 by control system, and hydraulic oil is passed into In hydraulic cavities 14, hydraulic fluid pressure is generated in hydraulic cavities 14, after hydraulic fluid pressure overcomes the pulling force of spring 16, piston 15 exists Start to move to far from 1 direction of stop screw under the action of hydraulic fluid pressure, that is, moves right, piston 9 is connected to piston rod 15 It is moved to far from 1 direction of stop screw with spring 16, the volume of hydraulic cavities 14 increases, and the volume of liquid separation chamber 13 reduces, in liquid separation Chamber 13 waits under the fluid pressure effect of liquid separation that check valve fluid hole 12 is opened, and will wait for that the liquid of liquid separation is discharged, when piston rod 15 arrives Up to right limit point, piston 9 and 15 stop motion of piston rod, 13 volume of liquid separation chamber no longer reduce, and wait for that the fluid pressure of liquid separation disappears, Check valve fluid hole 12 is closed, and then closes solenoid valve fuel feed hole 3 by control system;Then electromagnetism is opened by control system Valve oil outlet 18, under the pulling force effect of spring 16, piston 9 and piston rod 15 are moved towards stop screw 1, the appearance of hydraulic cavities 14 Product reduces, and 13 volume of liquid separation chamber increases and pressure reduces, and so that check valve inlet opening 11 is opened, waits for that the liquid of liquid separation enters liquid separation chamber 13, until piston rod 15 reaches left limit point and no longer moves, pressure is balanced with extraneous in liquid separation chamber 13, makes check valve inlet opening 11 It closes, solenoid valve oil outlet 18 is then closed by control system.In use, solenoid valve fuel feed hole 3 connects liquid by oil inlet pipe Press pump, solenoid valve oil outlet 18 connect fuel tank by flowline, and check valve inlet opening 11 connects liquid storage by inlet tube to be held Device, check valve fluid hole 12 quantify storage container by outlet tube.
The stop screw 1 is the length for adjusting stroke-limit chamber 19, to regulating piston bar 15 and piston 9 Displacement distance, to change the volume of packing liquid every time;After stroke-limit chamber position is set, the stroke-limit chamber 19 Length be constant, to which the movement travel of piston rod 15 and piston 9 is also constant so that sucking and pressure in each stroke The amount for going out liquid is all identical, realizes liquid quantitative decile;Hydraulic oil is stored in 15 left side of piston, and other side storage waits for The liquid of packing, the piston 9 movement draw liquid into or extrude;15 left side of piston is equipped with spring 16, described After hydraulic cylinder is passed through hydraulic oil, 9 stress of piston is open, and the spring 16 is stretched, when the solenoid valve goes out Oilhole 18 is opened, and the spring 16 is shunk so that piston 9 moves.
Oil inlet pipe, flowline, inlet tube, outlet tube, fuel tank, hydraulic pump, solenoid valve fuel feed hole, solenoid valve oil outlet, list It is routine techniques to valve inlet opening, check valve fluid hole, liquid storage container, quantitative storage container, oil inlet pipe not shown goes out Oil pipe, inlet tube, outlet tube, fuel tank, hydraulic pump, solenoid valve fuel feed hole, solenoid valve oil outlet, feed liquor check valve, to go out liquid unidirectional Valve, liquid storage container, quantitative storage container.

Claims (5)

1. a kind of liquid quantitative dispenses hydraulic cylinder, it is characterised in that including hydraulic cylinder and liquid dosing machine structure, the hydraulic pressure The piston of cylinder separates hydraulic oil with the liquid dispensed is needed, and the liquid dosing machine structure is mounted on the hydraulic cylinder Left side, the hydraulic cylinder include cylinder body, piston and piston rod, and the piston is set to cylinder interior, cylinder interior is divided into Two parts of left and right, the left side are liquid separation chamber, and the right is hydraulic cavities, and the piston rod inner termination is set on piston, the piston Bar external end head is set in the liquid dosing machine structure, and hydraulic cavities end cap, the liquid are equipped on the left of the hydraulic cylinder Liquid separation chamber end cap is equipped on the right side of cylinder pressure, the hydraulic cavities end cap upper and lower part is respectively equipped with solenoid valve fuel feed hole and solenoid valve Oil outlet, the liquid separation chamber end cap upper and lower part are respectively equipped with check valve inlet opening and check valve fluid hole.
2. liquid quantitative according to claim 1 dispenses hydraulic cylinder, it is characterised in that the liquid dosing machine structure On the outside of hydraulic cavities end cap, the liquid dosing machine structure includes adjusting stroke-limit chamber, stop screw hole and limit Screw, the stop screw are set on stop screw hole, and screw hole is equipped on the left of the piston rod, and the stop screw is worn Enter adjusting stroke-limit intracavitary behind the stop screw hole crossed in body-packing to connect with the screw hole on the left of piston rod, so that Stop screw is connect with piston rod, to adjust the stroke of the piston rod by stop screw.
3. liquid quantitative according to claim 1 or 2 dispenses hydraulic cylinder, it is characterised in that be cased with outside the piston rod Spring, the spring one end peak on the inside of hydraulic cavities end cap, and the other end peaks on piston area.
4. liquid quantitative according to claim 2, dispenses hydraulic cylinder, it is characterised in that the hydraulic cylinder and hydraulic cavities End cap is fixed by screw and contact surface is equipped with rubber pad, and the hydraulic cylinder and liquid separation chamber end cap are fixed and contacted by screw Face is equipped with rubber pad;Contact surface between the solenoid valve fuel feed hole and solenoid valve oil outlet and hydraulic cavities end cap is equipped with rubber Pad, the contact surface between the check valve inlet opening and check valve fluid hole and liquid separation chamber end cap are equipped with rubber pad.
5. liquid quantitative according to claim 2, dispenses hydraulic cylinder, it is characterised in that the piston and hydraulic cylinder Mating surface is equipped with twice A sealing rings, to make to keep good leakproofness between liquid separation chamber and hydraulic cavities;The piston rod and The mating surface of hydraulic cavities end cap is equipped with twice B sealing rings, to make to keep good close between hydraulic cavities and stroke-limit chamber Feng Xing.
CN201721674839.9U 2017-12-06 2017-12-06 Liquid quantitative dispenses hydraulic cylinder Withdrawn - After Issue CN207921002U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721674839.9U CN207921002U (en) 2017-12-06 2017-12-06 Liquid quantitative dispenses hydraulic cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721674839.9U CN207921002U (en) 2017-12-06 2017-12-06 Liquid quantitative dispenses hydraulic cylinder

Publications (1)

Publication Number Publication Date
CN207921002U true CN207921002U (en) 2018-09-28

Family

ID=63606357

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721674839.9U Withdrawn - After Issue CN207921002U (en) 2017-12-06 2017-12-06 Liquid quantitative dispenses hydraulic cylinder

Country Status (1)

Country Link
CN (1) CN207921002U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107763006A (en) * 2017-12-06 2018-03-06 丽水学院 Liquid quantitative dispenses hydraulic cylinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107763006A (en) * 2017-12-06 2018-03-06 丽水学院 Liquid quantitative dispenses hydraulic cylinder
CN107763006B (en) * 2017-12-06 2024-03-01 丽水学院 Liquid quantitative split charging hydraulic cylinder

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Lishui Ruiyu Industry and Trade Co.,Ltd.

Assignor: LISHUI University

Contract record no.: X2022330000906

Denomination of utility model: Hydraulic cylinder for quantitative liquid subpackage

Granted publication date: 20180928

License type: Common License

Record date: 20221228

Assignee: Yunhe County Lixin Arts & Crafts Co.,Ltd.

Assignor: LISHUI University

Contract record no.: X2022330000916

Denomination of utility model: Hydraulic cylinder for quantitative liquid subpackage

Granted publication date: 20180928

License type: Common License

Record date: 20221229

Assignee: Songyang Yongxin Machinery Manufacturing Co.,Ltd.

Assignor: LISHUI University

Contract record no.: X2022330000920

Denomination of utility model: Hydraulic cylinder for quantitative liquid subpackage

Granted publication date: 20180928

License type: Common License

Record date: 20221229

EE01 Entry into force of recordation of patent licensing contract
AV01 Patent right actively abandoned

Granted publication date: 20180928

Effective date of abandoning: 20240301

AV01 Patent right actively abandoned

Granted publication date: 20180928

Effective date of abandoning: 20240301

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned