CN101450406B - Processing tool for electro-hydraulic servo valve intracavity chute - Google Patents
Processing tool for electro-hydraulic servo valve intracavity chute Download PDFInfo
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- CN101450406B CN101450406B CN2007101715463A CN200710171546A CN101450406B CN 101450406 B CN101450406 B CN 101450406B CN 2007101715463 A CN2007101715463 A CN 2007101715463A CN 200710171546 A CN200710171546 A CN 200710171546A CN 101450406 B CN101450406 B CN 101450406B
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- valve body
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- chute
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Abstract
The invention provides a tool for processing a chute in a cavity of a valve body of an electrohydraulic servo valve, which comprises a slant iron block, an electrode block and an electrode rod, wherein the bottom of the slant iron block is a horizontal plane, the upper end face of the slant iron block is a V-shaped groove of which two inclined planes and the bottom form an angle beta, and the angle beta is equal to angle alpha; the valve body is clamped on the V-shaped groove on the iron block to make the chute on the valve body perpendicular to the horizontal bottom of the slant iron block and support the valve body; the electrode block is a trapezoidal block of which two ends are connected by a big arc and a small arc, the diameter of the big arc is matched with that of a main through hole of the valve body while the diameter of the small arc is matched with that of an auxiliary through hole of the valve body, and the height of the auxiliary through hole is slightly smaller than that of a main through hole of the valve body and the thickness is equal to the width of the chute of the valve body; and one end of the electrode rod is vertically fixed on an end face of the electrode block. The clamping tool has the advantages of good operability, high machining precision, good repeatability, long service life, and great reduction of processing workload.
Description
Technical field
The present invention relates to a kind of machining tool that is used for electro-hydraulic servo valve intracavity chute
Technical background
At present, the processing method that is used for the valve body skewed slot of electrohydraulic servo valve is: by the processing mode monolithic molding of casting.Because of casting the process equipment that must need casting, Zhu Zao workpiece surface roughness is relatively poor simultaneously, and defectives such as overlap, burr, scab are arranged.Casting has certain processing and cost advantage when producing in enormous quantities, but in small lot, polytypic does not just have any advantage to say when producing, simultaneously in the manufacturing enterprise that does not cast process equipment, process the outer processing of the just essential trust of valve body, must arrange operations such as deburring, scab before entrusting the outer valve body that processes to enter subsequent processing, this inevitable extension of the work cycle and increase processing cost, so that efficient is low, consume a large amount of resources.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of simple to operate, machining tool that is used for electro-hydraulic servo valve intracavity chute that can guarantee machining accuracy is provided.
The technical scheme that realizes above-mentioned purpose is: a kind of machining tool for electro-hydraulic servo valve intracavity chute; Described skewed slot is provided in a side of the main through hole on the valve body side end face and is positioned at the tiltedly path that is being communicated with a certain distance from the side end face less than the secondary through hole of main through-hole diameter of below and diameter of main through hole; The horizontal bottom of the center of circle of this pair through hole and the circle center line connecting of main through hole and valve body is α at angle; Be that the axis of described skewed slot and the horizontal bottom angulation of valve body are α; Described machining tool comprises a wedge piece, an electrode block and an electrode stem; Wherein
The bottom surface of described wedge piece is a horizontal plane, and the upper surface is that one or two inclined-plane and its bottom surface are the V-shaped groove of β at angle, and described angle beta equals angle [alpha];
Described valve body folds up on the V-shaped groove of wedge piece, and is vertical with the horizontal bottom of wedge piece and support valve body to keep skewed slot on the valve body;
Described electrode block is the trapezoid block of a two by small one and large one circular arc connection, the diameter of the diameter of the diameter of orthodrome and the main through hole of valve body coupling and little circular arc mates with the diameter of the secondary through hole of valve body, its height be slightly less than valve body main through hole diameter and thickness equals the width of valve body skewed slot;
One end of described electrode stem is vertically fixed on the end face of electrode block.
The above-mentioned machining tool that is used for electro-hydraulic servo valve intracavity chute, wherein, the end face top of described electrode block is provided with an installing hole, and described electrode stem is plugged in the installing hole of electrode block tightly.
The above-mentioned machining tool that is used for electro-hydraulic servo valve intracavity chute, wherein, described electrode block and electrode stem are that conductive material is made.
Adopt the machining tool that is used for electro-hydraulic servo valve intracavity chute of the present invention, be about to valve body and be placed on the wedge, process the skewed slot of valve body again by electrode discharge, make simple to operately, easy to process, can reduce great amount of manpower work, cut down finished cost, can guarantee machining accuracy simultaneously.
Description of drawings
Fig. 1 a is the side view of electro-hydraulic servo valve;
Fig. 1 b is the profile of A-A among Fig. 1 a;
Fig. 1 c is the profile of B-B among Fig. 1 b;
Fig. 2 is the assembling schematic diagram of electrode block and electrode stem in the machining tool of electro-hydraulic servo valve intracavity chute of the present invention;
Fig. 3 is the user mode figure of the machining tool of electro-hydraulic servo valve intracavity chute of the present invention.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
See also Fig. 1, electro-hydraulic servo valve 1 intracavity chute 100 be by be located at the main through hole 10 on valve body 1 side end face and be positioned at main through hole 10 tiltedly below and diameter less than the secondary through hole 11 of main through hole 10 diameters at the one effective path of distance connection from the side end face, the horizontal bottom of the circle center line connecting of the center of circle of this pair through hole 11 and main through hole 10 and valve body 1 is α at angle, the horizontal bottom angulation axial and valve body 1 that is skewed slot 100 is α
See also Fig. 2 and Fig. 3 again, the machining tool that is used for electro-hydraulic servo valve intracavity chute of the present invention comprises a wedge piece 2, an electrode block 3 and an electrode stem 4, wherein,
The bottom surface 21 of wedge piece 2 is a horizontal plane, and the upper surface is that an inclined-plane and its bottom surface are the V-shaped groove 20 of β at angle, and this angle beta equals angle [alpha];
One end of electrode stem 4 is vertically fixed on the end face of electrode block 3, and promptly electrode stem 4 is plugged in the installing hole 30 of electrode block 3 tightly.
Above embodiment is only for the usefulness that the present invention is described, but not limiting the scope of the invention.Relevant those skilled in the art under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification, and the technical scheme that all are equal to also should belong within the category of the present invention's protection, is limited by each claim.
Claims (3)
1. machining tool that is used for electro-hydraulic servo valve intracavity chute, described skewed slot is provided in a side of the main through hole on the valve body side end face and is positioned at the tiltedly path that is being communicated with a certain distance from the side end face less than the secondary through hole of main through-hole diameter of below and diameter of main through hole, the horizontal bottom of the center of circle of this pair through hole and the circle center line connecting of main through hole and valve body is α at angle, be that the axis of described skewed slot and the horizontal bottom angulation of valve body are α, described machining tool comprises a wedge piece, one electrode block and an electrode stem, it is characterized in that, the bottom surface of described wedge piece is a horizontal plane, the upper surface is that one or two inclined-plane and its bottom surface are the V-shaped groove of β at angle, and described angle beta equals angle [alpha];
Described valve body folds up on the V-shaped groove of wedge piece, and is vertical with the horizontal bottom of wedge piece and support valve body to keep skewed slot on the valve body;
Described electrode block is the trapezoid block of a two by small one and large one circular arc connection, the diameter of the diameter of the diameter of orthodrome and the main through hole of valve body coupling and little circular arc mates with the diameter of the secondary through hole of valve body, the height of described electrode block be slightly less than valve body main through hole diameter and thickness equals the width of valve body skewed slot;
One end of described electrode stem is vertically fixed on the end face of electrode block.
2. the machining tool that is used for electro-hydraulic servo valve intracavity chute according to claim 1 is characterized in that, the end face top of described electrode block is provided with an installing hole, and described electrode stem is plugged in the installing hole of electrode block tightly.
3. the machining tool that is used for electro-hydraulic servo valve intracavity chute according to claim 1 and 2 is characterized in that, described electrode block and electrode stem are that conductive material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101715463A CN101450406B (en) | 2007-11-30 | 2007-11-30 | Processing tool for electro-hydraulic servo valve intracavity chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101715463A CN101450406B (en) | 2007-11-30 | 2007-11-30 | Processing tool for electro-hydraulic servo valve intracavity chute |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101450406A CN101450406A (en) | 2009-06-10 |
| CN101450406B true CN101450406B (en) | 2011-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101715463A Expired - Fee Related CN101450406B (en) | 2007-11-30 | 2007-11-30 | Processing tool for electro-hydraulic servo valve intracavity chute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101450406B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364235A (en) * | 2015-12-10 | 2016-03-02 | 太仓戴尔塔精密模具有限公司 | Receptor and manufacturing method thereof |
| CN110280859A (en) * | 2019-06-24 | 2019-09-27 | 浙江辉旺机械科技股份有限公司 | A kind of blind hole electric pulse processing structure and operating method |
| CN113927109A (en) * | 2021-11-12 | 2022-01-14 | 成都鼎易精密模具有限公司 | Discharge forming machining method and machining electrode for interference inner groove of workpiece |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5467962A (en) * | 1994-09-09 | 1995-11-21 | General Motors Corporation | Actuator for an exhaust gas recirculation valve |
| EP0947754A1 (en) * | 1998-03-30 | 1999-10-06 | Parker Lucifer Sa | Pulse-controlled electromagnetic hydraulic valve |
| CN1661243A (en) * | 2004-02-23 | 2005-08-31 | 北京航空航天大学 | Revolving electrohydraulic serve rotatable in limited angles |
-
2007
- 2007-11-30 CN CN2007101715463A patent/CN101450406B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5467962A (en) * | 1994-09-09 | 1995-11-21 | General Motors Corporation | Actuator for an exhaust gas recirculation valve |
| EP0947754A1 (en) * | 1998-03-30 | 1999-10-06 | Parker Lucifer Sa | Pulse-controlled electromagnetic hydraulic valve |
| CN1661243A (en) * | 2004-02-23 | 2005-08-31 | 北京航空航天大学 | Revolving electrohydraulic serve rotatable in limited angles |
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| Publication number | Publication date |
|---|---|
| CN101450406A (en) | 2009-06-10 |
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Granted publication date: 20111130 Termination date: 20131130 |