CN203342759U - Full-automatic stepless speed change type linear depressurization device - Google Patents
Full-automatic stepless speed change type linear depressurization device Download PDFInfo
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- 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
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- speed change
- stepless speed
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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
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).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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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 |
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CN 201320423468 CN203342759U (en) | 2013-07-17 | 2013-07-17 | Full-automatic stepless speed change type linear depressurization device |
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CN203342759U true CN203342759U (en) | 2013-12-18 |
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CN 201320423468 Expired - Fee Related CN203342759U (en) | 2013-07-17 | 2013-07-17 | Full-automatic stepless speed change type linear depressurization device |
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Cited By (2)
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 |
-
2013
- 2013-07-17 CN CN 201320423468 patent/CN203342759U/en not_active Expired - Fee Related
Cited By (3)
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 |
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Legal Events
Date | Code | Title | Description |
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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 |