CN203342759U - Full-automatic stepless speed change type linear depressurization device - Google Patents

Full-automatic stepless speed change type linear depressurization device Download PDF

Info

Publication number
CN203342759U
CN203342759U CN 201320423468 CN201320423468U CN203342759U CN 203342759 U CN203342759 U CN 203342759U CN 201320423468 CN201320423468 CN 201320423468 CN 201320423468 U CN201320423468 U CN 201320423468U CN 203342759 U CN203342759 U CN 203342759U
Authority
CN
China
Prior art keywords
chamber
spool
speed change
stepless speed
full
Prior art date
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.)
Expired - Fee Related
Application number
CN 201320423468
Other languages
Chinese (zh)
Inventor
谷水军
华淑杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Dahua Electromechanical Technology Co Ltd
Original Assignee
Zhengzhou Dahua Electromechanical Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhengzhou Dahua Electromechanical Technology Co Ltd filed Critical Zhengzhou Dahua Electromechanical Technology Co Ltd
Priority to CN 201320423468 priority Critical patent/CN203342759U/en
Application granted granted Critical
Publication of CN203342759U publication Critical patent/CN203342759U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model discloses a full-automatic stepless speed change type linear depressurization device. The full-automatic stepless speed change type linear depressurization device comprises a valve body and a regulating screw rod, wherein a chamber is formed in the valve body along the axial direction of the valve body; a stepping motor is fixed at one end of the chamber and is controlled by an intelligent control device; an output shaft of the stepping motor drives the regulating screw rod to move along the axial direction through a spiral propelling mechanism; a valve core is arranged at one end part of the regulating screw rod; the other end of the valve core corresponds to a high-pressure oil pipeline orifice in the other end of the chamber in the valve body; at least one low-pressure oil pipeline orifice which is communicated with the chamber is formed in the radial side of the valve core; the stepping motor, the regulating screw rod, the valve core and the high-pressure oil pipeline orifice are coaxial to one another. By linearly regulating the opening of a throttling valve, the linear stepless speed change regulation of the depressurization speed of high-pressure oil is realized, and the non-linear depressurization of the high-pressure oil is eliminated, so that a requirement on the linearity of an ultra-hard material synthesis process is met.

Description

The linear pressure relief device of Full-automatic stepless speed change
Technical field
The utility model relates to a kind of film ultra-hard material synthesizer---and the ultrahigh-pressure hydraulic pressure relief device of cubic hinge press is specifically related to the linear pressure relief device of a kind of Full-automatic stepless speed change.
Background technology
The pressure that the Superhigh Pressure Hydraulic System of existing cubic hinge press needs when the synthesizing superhard material is generally between 80~120MPa, reach so high current China superhard material Industry of pressure two kinds of superpressure modes are arranged, a kind of is to use the booster superpressure, and another kind is to use the superpressure oil pump superpressure.Corresponding these two kinds of superpressure modes, have two kinds of different pressure release modes.Thereby the pressure that uses 2~3 low pressure choke valves to release the booster cavity of resorption during hydraulic system pressure release of use booster superpressure reaches the purpose that releases hydraulic oil, and operation principle refers to Fig. 1.Use the hydraulic system pressure release more complicated of superpressure oil pump superpressure, it uses a hydraulic pump and 3~4 hydraulic control bi-bit bi-pass of 3~4 solenoid control, there is the high pressure throttle orifice of an adjustable opening back of each bi-bit bi-pass, open bi-bit bi-pass in different pressure stage classifications, thereby realize the classification pressure release of hydraulic oil, operation principle refers to Fig. 2.It is exactly to open at different pressure stages the classification pressure release that different throttle orifices or choke valve are realized hydraulic oil that above two kinds of pressure release modes have a common ground, is all non-linear pressure release.And the pressure release curve of superhard material synthesis technique is all generally straight line, therefore above two kinds of pressure release modes all can not meet the synthetic technological requirement of superhard material.
Summary of the invention
For solving the deficiencies in the prior art, it is a kind of by the linear regulation of throttle valve opening that the utility model provides, thereby realize the pressure relief device of the electrodeless variable-speed linear regulation of hydraulic oil pressure release speed.
The technical solution of the utility model is: the linear pressure relief device of a kind of Full-automatic stepless speed change, comprise valve body and adjusting screw(rod), described valve inner is axially arranged with chamber along valve body, one end of chamber is fixed with stepper motor, stepper motor is controlled by intelligent controlling device, the output shaft of stepper motor drives adjusting screw(rod) by screw propulsion mechanism and moves vertically, the adjusting screw(rod) end is provided with spool, the other end of spool is corresponding with the high-pressure oil pipe road junction that the valve inner chamber other end arranges, and the radial side of spool is provided with at least one low pressure pipe road junction communicated with chamber; Described stepper motor, adjusting screw(rod), spool and high-pressure oil pipe road junction coaxially arrange.
Described high-pressure oil pipe road junction communicates with chamber by the hydraulic oil capillary, and spool is corresponding with the hydraulic oil capillary, and the spool end corresponding with the hydraulic oil capillary is taper.
The radially both sides of described spool all arrange a low pressure pipe road junction communicated with chamber.
Each low pressure pipe road junction all communicates with chamber by a low pressure oil capillary.
The beneficial effects of the utility model are: by the linear regulation of throttle valve opening, realize the electrodeless variable-speed linear regulation of hydraulic oil pressure release speed, overcome the non-linear pressure release of hydraulic oil, thereby meet the linear requirement of superhard material synthesis technique.
The accompanying drawing explanation
The hydraulic system pressure release schematic diagram that Fig. 1 is the utility model booster superpressure.
The hydraulic system pressure release schematic diagram that Fig. 2 is the utility model superpressure oil pump superpressure.
Fig. 3 is the linear pressure relief device schematic diagram of the utility model Full-automatic stepless speed change.
Reference numeral is as follows: 1, valve body; 2, stepper motor; 3, adjusting screw(rod); 4, spool; 5, high-pressure oil pipe road junction; 6, hydraulic oil capillary; 7, low pressure pipe road junction; 8, low pressure oil capillary; 9, chamber.
the specific embodiment
As shown in Figure 3, the linear pressure relief device of a kind of Full-automatic stepless speed change, comprise valve body 1 and adjusting screw(rod) 3, described valve body 1 inside is axially arranged with chamber 9 along valve body, one end of chamber 9 is fixed with stepper motor 2, stepper motor 2 is controlled by intelligent controlling device, the output shaft of stepper motor 2 drives adjusting screw(rod) 3 by screw propulsion mechanism and moves vertically, adjusting screw(rod) 3 ends are provided with spool 4, the other end of spool 4 is corresponding with the high-pressure oil pipe road junction 5 that the valve inner chamber other end arranges, the radial side of spool 4 is provided with at least one low pressure pipe road junction 7 communicated with chamber 9, described stepper motor, adjusting screw(rod), spool and high-pressure oil pipe road junction coaxially arrange.
Further restriction, high-pressure oil pipe road junction 5 communicates with chamber 9 by hydraulic oil capillary 6, and spool 4 is corresponding with hydraulic oil capillary 6, and spool 4 end corresponding with hydraulic oil capillary 6 be taper, to realize the linear regulation of throttle valve opening.
Further again, the radially both sides of described spool 4 all arrange a low pressure pipe road junction 7 communicated with chamber 9.
Further, each low pressure pipe road junction all communicates with chamber by a low pressure oil capillary, thereby completes the pressure release of hydraulic oil.
The course of work is as follows: the hydraulic oil in hydraulic system flows into hydraulic oil capillary 6 by hydraulic oil road junction 5, adjusting along with the spool 4 end aperture corresponding with hydraulic oil capillary 6, the chamber 9 that hydraulic oil in hydraulic oil capillary 6 communicates by spool 4 ends flows into low pressure oil capillary 8, then by low pressure pipe road junction 7, flow out, thereby realize the linear pressure release of hydraulic system hydraulic oil, meet the linear requirement of superhard material synthesis technique.
The utility model; spool 4 end corresponding with hydraulic oil capillary 6 is taper, also can all belong to protection domain of the present utility model for dentation, waveform, any one shape that can meet the spool 4 end regulation corresponding with hydraulic oil capillary 6 such as trapezoidal.

Claims (4)

1. the linear pressure relief device of a Full-automatic stepless speed change, comprise valve body (1) and adjusting screw(rod) (3), it is characterized in that: described valve body (1) is inner is axially arranged with chamber (9) along valve body, one end of chamber (9) is fixed with stepper motor (2), stepper motor (2) is controlled by intelligent controlling device, the output shaft of stepper motor (2) drives adjusting screw(rod) (3) by screw propulsion mechanism and moves vertically, adjusting screw(rod) (3) end is provided with spool (4), the other end of spool (4) is corresponding with the high-pressure oil pipe road junction (5) that the valve inner chamber other end arranges, the radial side of spool (4) is provided with at least one low pressure pipe road junction (7) communicated with chamber (9), described stepper motor, adjusting screw(rod), spool and high-pressure oil pipe road junction coaxially arrange.
2. the linear pressure relief device of a kind of Full-automatic stepless speed change according to claim 1, it is characterized in that: described high-pressure oil pipe road junction (5) communicates with chamber (9) by hydraulic oil capillary (6), spool (4) is corresponding with hydraulic oil capillary (6), and spool (4) end corresponding with hydraulic oil capillary (6) is taper.
3. the linear pressure relief device of a kind of Full-automatic stepless speed change according to claim 1, it is characterized in that: the radially both sides of described spool (4) all arrange a low pressure pipe road junction (7) communicated with chamber (9).
4. the linear pressure relief device of a kind of Full-automatic stepless speed change according to claim 3, it is characterized in that: each low pressure pipe road junction (7) all communicates with chamber (9) by a low pressure oil capillary (8).
CN 201320423468 2013-07-17 2013-07-17 Full-automatic stepless speed change type linear depressurization device Expired - Fee Related CN203342759U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320423468 CN203342759U (en) 2013-07-17 2013-07-17 Full-automatic stepless speed change type linear depressurization device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320423468 CN203342759U (en) 2013-07-17 2013-07-17 Full-automatic stepless speed change type linear depressurization device

Publications (1)

Publication Number Publication Date
CN203342759U true CN203342759U (en) 2013-12-18

Family

ID=49742701

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320423468 Expired - Fee Related CN203342759U (en) 2013-07-17 2013-07-17 Full-automatic stepless speed change type linear depressurization device

Country Status (1)

Country Link
CN (1) CN203342759U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104500793A (en) * 2014-11-28 2015-04-08 四川航空工业川西机器有限责任公司 Three-level pressure relief system of ultra-high pressure vessel
CN106907368A (en) * 2017-04-28 2017-06-30 郑州华晶金刚石股份有限公司 The full-automatic pressure relief device of super-pressure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104500793A (en) * 2014-11-28 2015-04-08 四川航空工业川西机器有限责任公司 Three-level pressure relief system of ultra-high pressure vessel
CN106907368A (en) * 2017-04-28 2017-06-30 郑州华晶金刚石股份有限公司 The full-automatic pressure relief device of super-pressure
CN106907368B (en) * 2017-04-28 2018-12-11 郑州华晶金刚石股份有限公司 The full-automatic pressure relief device of super-pressure

Similar Documents

Publication Publication Date Title
CN101870160A (en) Pump-valve compound control hydraulic system for injection molding machine and control method thereof
CN203342759U (en) Full-automatic stepless speed change type linear depressurization device
CN204327991U (en) Piston electromagnetic valve
CN203879827U (en) Servo drive hydraulic system
CN201363330Y (en) Plate-type one-way speed-regulating valve
CN104100584A (en) Speed control system and method for movable crossbeam of hydraulic forging press
CN203442181U (en) Adjustable parallel double-disc gate valve
CN101157123A (en) Controlling method of pressing morphism rapid braking of die casting machine
CN202228770U (en) Fast-discharging slow-feeding air valve with large draft diameter
CN101865172A (en) Active piloted active servo proportional valve
CN201361927Y (en) Pressure adjusting and speed adjusting circuit for pressure-flow composite proportion in concrete block machine
CN203176069U (en) Flexible unloading hydraulic system
CN203685739U (en) Servo valve based on speed difference dynamic pressure feedback hydraulic control guide level
CN209100371U (en) A kind of aluminium volume baling press send the plunger pump speed regulating control hydraulic device of volume trolley
CN208410662U (en) A kind of neutron quick pressure releasing oil circuit applied to injection molding machine
CN202900815U (en) Servo hydraulic control system capable of adjusting punching stroke and punching speed of punch automatically
CN204025238U (en) A kind of high-voltage electrical apparatus ratio pressure regulating system
CN203258135U (en) Two-section type reducing valve
CN203442145U (en) Pneumatic single-seat regulating valve with limiting switch
CN102359648B (en) Large- through-diameter rapid-discharging slow-intake gas valve
CN111550463A (en) Direct-acting three-way pressure reducing valve for regulating pressure by servo motor
CN204054563U (en) A kind of use two cartridge valve controlled liquefaction cylinders differential and buffering hydraulic circuit
CN103195773B (en) A kind of hydraulic system of flexible off-load
CN205559907U (en) Automatic controller that reduces pressure of unsteady flow volume
CN103216476A (en) Motor driven servo valve

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131218

Termination date: 20210717