CN203725128U - Rotary ultrahigh pressure pressurizer for synthetic diamond six-surface diamond presser - Google Patents

Rotary ultrahigh pressure pressurizer for synthetic diamond six-surface diamond presser Download PDF

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Publication number
CN203725128U
CN203725128U CN201320884622.6U CN201320884622U CN203725128U CN 203725128 U CN203725128 U CN 203725128U CN 201320884622 U CN201320884622 U CN 201320884622U CN 203725128 U CN203725128 U CN 203725128U
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Prior art keywords
plunger
high pressure
eccentric shaft
rotary
diamond
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CN201320884622.6U
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Inventor
王孝琪
韩辉
李渊
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Zhengzhou Research Institute for Abrasives and Grinding Co Ltd
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Zhengzhou Research Institute for Abrasives and Grinding Co Ltd
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Abstract

The utility model provides a rotary ultrahigh pressure pressurizer for a synthetic diamond six-surface diamond presser, which aims at solving the technical problem that the existing pressurizer for the six-surface diamond presser cannot completely meet the requirement on pressurizing and has technical bottlenecks. The rotary ultrahigh pressure pressurizer comprises a shell and an eccentric shaft penetrating through the shell, wherein the shell is provided with a power source and an oil supply pump, at least four oil distributing valves are uniformly distributed at the periphery of the shell, a plunger is installed on the oil distributing valve, and a transitional ball body is arranged between the plunger and the eccentric shaft. The rotary ultrahigh pressure pressurizer breaks through the technological bottleneck of the original monorail two-plunger high pressure pump so as to obtain the technological achievements of multiple-plunger high pressure pump such as monorail four-plunger high pressure pump, monorail six-plunger high pressure pump and monorail eight-plunger high pressure pump, thus enlarging the flow range and pressure range, and being applicable to the main machine of the six-surface diamond pressure of various cavities and other ultrahigh pressure equipment.

Description

The rotary high pressure turbocharger of diamond synthesis cubic hinge press
Technical field
The utility model relates to superhigh pressure technique field, can be used for diamond synthesis cubic hinge press superhigh pressure technique field.
Background technology
Domestic cubic hinge press superhigh pressure technique is phase early 1960s, is accompanied by the failure of top, Introduced From Abroad two sides technology and development grows.The cylinder diameter of cubic press high pressure press is from Φ 420mm, Φ 460mm, Φ 500mm, Φ 600mm, Φ 650mm, maximum has developed into Φ 880mm up till now, more than high pressure synthetic cavity diameter progressively expands Φ 52mm to from Φ 30mm, and there is the trend of further expansion.
The cubic hinge press in current domestic diamond synthesis market mainly contains two kinds with supercharging equipment, one is booster, this complete equipment mainly uses the pressure ratio of 1:7, realizes the conversion of low pressure to high pressure, and build is huge, cost costliness, complex structure, is unfavorable for maintaining, and after a superpressure completes, fall to press infinitely ftercompction as leaked main frame because of oil piping system; Another kind is superpressure oil pump booster, and this complete equipment is small, simple in structure, adopts motor linkage eccentric shaft to drive the symmetrical plunger of pump case to move back and forth, then realizes superpressure through check valve.Along with the increase of cubic hinge press, the requirement of supporting superpressure equipment is also being increased, the flow needing is also just larger.
Diamond synthesis cubic hinge press originally drives two reciprocal radial effects of plunger as single track by the structure of superpressure oil pump booster at present, the offset of its eccentric shaft is 5mm, increase oil pump flow and must increase diameter of plunger, affected by oil circuit resistance factor, in the constant situation of power of motor, oil pump rated pressure must decline.Form diameter of plunger and can not infinitely increase to change range of flow, the technical bottleneck problem that flow and pressure are inversely proportional to.
Utility model content
The technical problems to be solved in the utility model is the needs that existing diamond cubic press booster can not meet supercharging completely, exist technical bottleneck, for addressing the above problem, provide a kind of diamond synthesis cubic hinge press rotary high pressure turbocharger.
The purpose of this utility model realizes in the following manner:
The rotary high pressure turbocharger of diamond synthesis cubic hinge press, comprise housing and the eccentric shaft through housing, power source and oil feed pump are installed on housing, described housing periphery is evenly distributed with at least four oil distributing valve bodies, on oil distributing valve body, plunger is installed, transition spheroid is set between plunger and eccentric shaft.
Described power source is fixed on housing by ring flange.
Described power source is hydraulic motor or motor.
Described oil feed pump is vane pump.
On described eccentric shaft, cover has bearing, and transitional ball body is positioned between bearing and plunger.
Described transition spheroid is steel ball.
The offset of described eccentric shaft is 1mm-4mm.
With respect to prior art, the utility model has been broken through the technical bottleneck of original monorail two piston high-pressure pumps, thereby form the multi-plunger technological achievements such as monorail four plungers, six plungers, eight plungers, improve range of flow and the pressure limit of rotary high pressure turbocharger, be applicable to various cavity cubic pressure machine hosts and other extra-high tension units.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is monorail multi-plunger structural representation.
Detailed description of the invention
As depicted in figs. 1 and 2, the rotary high pressure turbocharger of diamond synthesis cubic hinge press, comprise housing 2 and the eccentric shaft 6 through housing, power source 1 and oil feed pump 7 are installed on housing, housing periphery is evenly distributed with four oil distributing valve bodies 3, plunger 4 is installed on oil distributing valve body, transition spheroid 5 is set between plunger 4 and eccentric shaft.Power source is fixed on housing by ring flange.Power source is hydraulic motor, can be also motor.On eccentric shaft, cover has bearing 8, and transitional ball body is positioned between bearing and plunger.Transition spheroid is steel ball.The offset of eccentric shaft is 4mm.
Rotating boosting device adopts hydraulic motor or motor (preferably adopting hydraulic motor) as power source, drive eccentric shaft turns clockwise, and vane pump is as oil feed pump, to oil distributing valve body low pressure oil-in fuel feeding, in oil distributing valve body, there is check valve, hydraulic oil enters plunger through check valve, and eccentric shaft drives the reciprocal radial motion of plunger, and hydraulic oil is fuel-displaced by high pressure oil-out through check valve, realize superpressure object, all oil inlet and outlets adopt cone valve that sealing, compact conformation, reliable operation are installed.
Eccentric shaft drives monorail bearing to turn clockwise, and four plungers are subject to bearing track wobbler action power to affect piston reciprocating radial motion in drive plunger, are monorail multi-plunger structural design.
Can also be designed to as required 6 plungers, 8 plungers, 10 piston structures, reduce the offset of eccentric shaft according to the quantity of plunger, offset can be 1mm, 2mm, 3mm.
The every limit of the utility model is distributed with oil distributing valve body and plunger, oil distributing valve body be 90 ° or 60 ° symmetrical, columniform plunger is installed in valve body upper end, both are integrated the structure of combining closely.In the middle of plunger and eccentric shaft, do transition with steel ball, to reduce the impact between plunger and eccentric shaft.By reducing the offset of eccentric shaft, thereby improve the force-bearing situation of main shaft, improve the rigidity of main shaft, reduce vibrations and noise.By vane pump to oil distributing valve body fuel feeding, along with the fuel feeding of vane pump and the turning handle plunger of eccentric shaft are pressed onto minimum point, eccentric to peak by the rotation of plunger again, getting out by oil distributing valve body for the oil that enters plunger the inside, take exercises back and forth, thereby realize the feature of rotary high pressure turbocharger.
Monorail multiconductor is considered above circuit has four or more plunger working, to can cause sliding friction to single track circuit eccentric shaft, therefore need stressed analysis the between steel ball, rail circuit, plunger, sliding pair of plunger and the stressed equation of steel ball are as follows:
F1+F2+F3+F4=0
F1: fuel feeding thrust F1=P1 (charge oil pressure) × S1(ram area); S1=π r2
F2: frictional resistance F2=f × (M1+M2)=0.1 × 3.3N=0.33N
Coefficient of friction f=0.1; M1: plunger quality, M2 steel ball quality
F3: be subject to the oily resistance F3=P2 × S2=21N in pump chamber when steel ball motion
P2: oil liquid resistance P2≤0.02MPa when steel ball motion;
S2 steel ball projected area S2=10.7cm2
F4: acceleration force F4=ma
Peak acceleration amax=64 m/s2
Plunger mass M 1=0.13 kg, steel ball quality M2=0.21kg.
F4=?(M1+M2)×amax=22?N
F1=?F2+F3+F4=0.33+21+22=43.4N
Φ 17mm diameter ram area: S1=2.27cm2
Promote the minimum charge oil pressure P1 >=F1/S1=0.2MPa of plunger return motion
Calculate the frictional fit parameter between rational rail circuit and steel ball, to improve the service life of steel ball, circuit and plunger.
Noise aspect, by link flange dish structural design, fixing booster housing and hydraulic motor (motor), form structure-integrated design, improves the concentricity between booster and power source, thereby reduced noise; On the other hand, the minimizing of rotating shaft eccentric amount, moment of torsion reduces, and increasing of plunger, is issued to the effect of flow increase, reducing noise in the constant situation of rotating speed, greatly improved cubic hinge press superpressure efficiency.
Application of the present utility model, to effectively solve that the existing cost of diamond synthesis cubic hinge press ultra-high pressure apparatus is high in the market, noise is large, flow is little, be unfavorable for safeguarding and the problem such as maintenance, realize low cost, high efficiency beneficial effect, and improve quality and the market synthesized competitiveness of diamond synthesis comprehensively.In addition, can effectively prevent that the explosion of cubic pressure machine host top hammer from but cannot be found the security hidden trouble that caused in time because noise is huge, thereby greatly improve the security in cubic apparatus diamond synthesis process.
The rotary high pressure turbocharger of the utility model, except adopting motor, also can adopt hydraulic motor as power source, will more be conducive to control cost, and saves the energy, realizes safety and energy-saving superpressure equipment achievement.

Claims (7)

1. the rotary high pressure turbocharger of diamond synthesis cubic hinge press, comprise housing and the eccentric shaft through housing, power source and oil feed pump are installed on housing, it is characterized in that: described housing periphery is evenly distributed with at least four oil distributing valve bodies, on oil distributing valve body, plunger is installed, transition spheroid is set between plunger and eccentric shaft.
2. the rotary high pressure turbocharger of diamond synthesis cubic hinge press according to claim 1, is characterized in that: described power source is fixed on housing by ring flange.
3. the rotary high pressure turbocharger of diamond synthesis cubic hinge press according to claim 1 and 2, is characterized in that: described power source is hydraulic motor or motor.
4. the rotary high pressure turbocharger of diamond synthesis cubic hinge press according to claim 1 and 2, is characterized in that: described oil feed pump is vane pump.
5. the rotary high pressure turbocharger of diamond synthesis cubic hinge press according to claim 1, is characterized in that: on described eccentric shaft, cover has bearing, and transitional ball body is positioned between bearing and plunger.
6. the rotary high pressure turbocharger of diamond synthesis cubic hinge press according to claim 1 or 5, is characterized in that: described transition spheroid is steel ball.
7. the rotary high pressure turbocharger of diamond synthesis cubic hinge press according to claim 1, is characterized in that: the offset of described eccentric shaft is 1mm-4mm.
CN201320884622.6U 2013-12-31 2013-12-31 Rotary ultrahigh pressure pressurizer for synthetic diamond six-surface diamond presser Active CN203725128U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103768998A (en) * 2013-12-31 2014-05-07 郑州磨料磨具磨削研究所有限公司 Rotary type ultrahigh pressure supercharger of synthetic diamond cubic press
CN104587897A (en) * 2015-01-26 2015-05-06 吉林大学 Large-cavity segmentation ball type ultra-high pressure equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103768998A (en) * 2013-12-31 2014-05-07 郑州磨料磨具磨削研究所有限公司 Rotary type ultrahigh pressure supercharger of synthetic diamond cubic press
CN104587897A (en) * 2015-01-26 2015-05-06 吉林大学 Large-cavity segmentation ball type ultra-high pressure equipment

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