CN101293323A - Machine work clamping apparatus for processing holes of acceptor in electrohydraulic servo valve - Google Patents

Machine work clamping apparatus for processing holes of acceptor in electrohydraulic servo valve Download PDF

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Publication number
CN101293323A
CN101293323A CNA2007100402777A CN200710040277A CN101293323A CN 101293323 A CN101293323 A CN 101293323A CN A2007100402777 A CNA2007100402777 A CN A2007100402777A CN 200710040277 A CN200710040277 A CN 200710040277A CN 101293323 A CN101293323 A CN 101293323A
Authority
CN
China
Prior art keywords
recipient
clamp body
servo valve
hole
electrohydraulic servo
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.)
Pending
Application number
CNA2007100402777A
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Chinese (zh)
Inventor
曹勇
吴越
黄周成
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.)
SHANGHAI NUOMA HYDRAULIC SYSTEM CO Ltd
Original Assignee
SHANGHAI NUOMA HYDRAULIC SYSTEM 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 SHANGHAI NUOMA HYDRAULIC SYSTEM CO Ltd filed Critical SHANGHAI NUOMA HYDRAULIC SYSTEM CO Ltd
Priority to CNA2007100402777A priority Critical patent/CN101293323A/en
Publication of CN101293323A publication Critical patent/CN101293323A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a mechanical processing clamp used for a pore of a receiver in an electrohydraulic servo valve which comprises a clamp body and two drill bushes with same structures; the top end surface of the clamp body is level; the left side surface and the right side surface are vertical; the bottom end surface is provided with two bottom side surfaces which are symmetrically left and right and respectively cross with the main axes of the clamp body to form an include angle of Beta; the center of the upper end surface is provided with a mounting hole which is adaptive to the shape of the periphery of the receiver; the left side surface and the right side surface are respectively provided with coaxial drill bush holes which vertically cross with the main axes of the clamp body and which are communicated with the mounting hole; the drill bushes are arranged in the drill bush holes of the clamp body and are hollow cavities; the inner cavity of the drill bush is a first stepped hole that the diameter of the hole in the inner side is smaller than the diameter of the hole in the outer side. The mechanical processing clamp of the pore of the receiver in an electric feedback jet-pipe typed electrohydraulic servo valve of the invention has the advantages of high location precision, good repetitiveness, good maneuverability, high commonality and long service life, etc.

Description

The clamping tool for machine work of the aperture of recipient in the electrohydraulic servo valve
Technical field
The present invention relates to a kind of clamping tool for machine work of accurate finding, relate in particular to the clamping tool for machine work of the aperture of recipient in a kind of electricity feedback jet tubular type electrohydraulic servo valve.
Background technology
Electrohydraulic servo valve has experienced 50 years in the development of international professional domain, and the occasion of application also more and more widely.Yet the research of servo valve and manufacturing also are in a relatively backward state at home.In electricity feedback jet tubular type servo valve, two aperture 43,44 processing requests that are the Eight characters to this two side holes 41,42 of connection of two side holes 41, the 42 recipient upper surfaces 40 of recipient 4 (seeing Fig. 1, Fig. 2) are strict especially, the Angular Dimension deviation of Eight characters aperture 43,44 can cause more at most that the pressure of servo valve does not wait, whole valve assembling and setting is unsuccessful, thereby causes part or product rejection.There is following defective in like product machining at present: fineness is poor, and aperture size is not of uniform size, and the relative centre deviation of Eight characters aperture 43,44 angles is bigger etc.
Summary of the invention
The objective of the invention is to solve the problems referred to above that prior art exists, a kind of positioning accuracy height is provided, the clamping tool for machine work of the aperture of recipient in the electricity feedback jet tubular type electrohydraulic servo valve of good reproducibility.
The objective of the invention is to be achieved by following technical scheme: a kind of clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture comprises a clamp body and the identical drill bushing of two structures.Wherein, the top end face of described clamp body is a horizontal plane, the left and right side is a vertical plane, bottom face has left-right symmetry and intersects two bottom sides of the β that has angle respectively with the main shaft of clamp body, the central authorities of described upper surface be provided with one with the adaptive installing hole of recipient peripheral shape, it is one coaxial and intersect vertically with the main shaft of clamp body and be communicated with the drill bushing hole of installing hole that described left and right sides face respectively is provided with; Described drill bushing is located in the drill bushing hole of clamp body, and it is a cavity cylinder, and its inner chamber is the one-level shoulder hole of inboard aperture diameter less than the apertura lateralis diameter.
The above-mentioned clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture, wherein, the pass of the angle α on angle β between the main shaft of described clamp body two bottom sides and clamp body and the recipient between two symmetric angle holes and the main shaft is β=90 °-α.
The above-mentioned clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture, wherein, described anchor clamps also comprise hold down gag, it comprises that a cushion block and presses closer screw, at the clamp body top end face and be positioned at recipient installing hole rear end and be provided with on the cushion block groove that is communicated with the installing hole rear wall, the trailing flank and be provided with the countersunk head screw of connection at cushion block groove rear wall at clamp body, described cushion block is located in the cushion block groove, and the described screw that presses closer can be screwed into the countersunk head screw and spins to replacing in the cushion block rear end.
The above-mentioned clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture, wherein, the rear wall of described recipient installing hole is the planomural face parallel with the trailing flank of clamp body.
The above-mentioned clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture, wherein, described recipient installing hole can be arranged to up big and down small one-level shoulder hole, and the last hole and the recipient peripheral shape of this shoulder hole are adaptive.
The above-mentioned clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture wherein, is tight fit between described recipient installing hole and recipient, drill bushing and the clamp body drill bushing hole, the diameter coupling of the inboard aperture of described drill bushing and recipient two side holes.
A kind of machining process that is used for electrohydraulic servo valve recipient aperture of the present invention, comprise the following steps: at first, adopt the clamp for machining that is used for electrohydraulic servo valve recipient aperture as claimed in claim 1, recipient to be processed is installed in the recipient installing hole of clamp body, secondly, left and right sides face with clamp body is that datum level is attacked the side opening that bores recipient left and right sides face vertical major, then, be that datum level is attacked and bored symmetrical two holes, angle with the angled α of main shaft of recipient top end face with two bottom sides of clamp body.
Adopt the clamping tool for machine work of the aperture of recipient in the electricity feedback jet tubular type electrohydraulic servo valve of the present invention, had the positioning accuracy height, good reproducibility, operability is good, highly versatile, advantages such as long service life.
Description of drawings
Provide the specific embodiment of the present invention below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of recipient;
Fig. 2 is the vertical view of recipient;
Fig. 3 does not clamp the structural representation of recipient for the clamping tool for machine work of the aperture of recipient in the electricity feedback jet tubular type electrohydraulic servo valve of the present invention;
Fig. 4 clamps the cutaway view of recipient for the clamping tool for machine work of the aperture of recipient in the electricity feedback jet tubular type electrohydraulic servo valve of the present invention;
Fig. 5 clamps the vertical view of recipient for the clamping tool for machine work of the aperture of recipient in the electricity feedback jet tubular type electrohydraulic servo valve.
The specific embodiment
See also Fig. 1, Fig. 2, the recipient 4 in the electricity of the finished product feedback jet tubular type electrohydraulic servo valve have two symmetries on the side opening 41,42 of two sides and the top end face 40, be the splayed configuration and the hole, angle 43,44 of UNICOM's two side holes 41,42 respectively with recipient 4 main shafts intersect the α angle respectively.
See also Fig. 3 to Fig. 5, the clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture of the present invention comprises a clamp body 1, drill bushing 2 and hold down gag that two structures are identical.Wherein, the top end face 10 of clamp body 1 is a horizontal plane, and left and right side 11,12 is a vertical plane.Bottom face 13 has left-right symmetry and intersects two bottom sides 131,132 of the β that has angle respectively with the main shaft of clamp body 1, and the pass of the angle α on angle β between the main shaft of this two bottom side 131,132 and clamp body 1 and the recipient between two symmetric angle holes and the main shaft is β=90 °-α.The central authorities of clamp body 1 top end face 10 are provided with a recipient installing hole 100, this recipient installing hole 100 can be arranged to up big and down small one-level shoulder hole, ' adaptive with the recipient peripheral shape, the last hole 100 ' rear wall of this recipient installing hole is the planomural face parallel with the trailing flank of clamp body in the last hole 100 of this shoulder hole.It is one coaxial and intersect vertically with the main shaft of clamp body 1 and be communicated with the drill bushing hole 110,120 of installing hole 100 that clamp body 1 left and right sides face 11,12 respectively is provided with.
Two drill bushings 2 are located at respectively in the drill bushing hole 110,120 of clamp body 1, and it is a cavity cylinder, and its inner chamber is the one-level shoulder hole of inboard aperture diameter less than the apertura lateralis diameter.
Hold down gag comprises that a cushion block 31 and presses closer screw 32, at clamp body top end face 10 and be positioned at recipient installing hole 100 rear ends and be provided with on the cushion block groove 111 that is communicated with recipient installing hole 100 rear walls, the trailing flank 14 and be provided with the countersunk head screw 140 of connection at cushion block groove 11 rear walls at clamp body, cushion block 31 is located in the cushion block groove 140, presses closer screw 32 and can be screwed into countersunk head screw 140 and spin to the rear end of replacing at cushion block 31.
Be tight fit between the last hole 100 ' of recipient installing hole and recipient, drill bushing 2 and the clamp body drill bushing hole 110,120, the inboard aperture 20 of drill bushing 2 is mated with the diameter of recipient two side holes 41,42.
The machining process that is used for electrohydraulic servo valve recipient aperture of the present invention, comprise the following steps: at first, adopt the clamp for machining that is used for electrohydraulic servo valve recipient aperture of the present invention, earlier two drill bushings 2 are pressed into the drill bushing hole 110 of clamp body 1 respectively, in 120, again recipient to be processed 4 is installed in the last hole 100 ' of recipient installing hole 100 of clamp body 1, fitting of erector 4 all over the plane 45 and the planomural face of installing hole rear wall, the step surface of recipient installing hole 100 is firm, the cushion block 31 and tighten until replacing in the rear end of cushion block 31 and make cushion block 31 compress recipient 4 with pressing closer screw 32 of packing into; Secondly, left and right sides face 11 with clamp body 1,12 attack the side opening 41 that bores recipient 4 left and right sides face vertical major for datum level, 42, then, two bottom sides 131 with clamp body 1,132 attack for datum level and to bore symmetrical two holes, angle 43 with the angled α of main shaft of recipient 4 top end faces, the 44 relative symmetries of bottom side owing to clamp body 1 are guaranteed, so when processing two jiaos of holes with two bottom sides 131,132 is datum level, purpose is vertical with tool bit in order to guarantee hole, angle to be processed, after treating the β angle of the intact rotation of hole drill twice, bore another hole, angle again.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, the present invention can also change and more mode, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.

Claims (7)

1, a kind of clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture comprises a clamp body and the identical drill bushing of two structures, it is characterized in that,
The top end face of described clamp body is a horizontal plane, the left and right side is a vertical plane, bottom face has left-right symmetry and intersects two bottom sides of the β that has angle respectively with the main shaft of clamp body, the central authorities of described upper surface be provided with one with the adaptive installing hole of recipient peripheral shape, it is one coaxial and intersect vertically with the main shaft of clamp body and be communicated with the drill bushing hole of installing hole that described left and right sides face respectively is provided with;
Described drill bushing is located in the drill bushing hole of clamp body, and it is a cavity cylinder, and its inner chamber is the one-level shoulder hole of inboard aperture diameter less than the apertura lateralis diameter.
2, the clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture according to claim 1, it is characterized in that the pass of the angle α on angle β between the main shaft of described clamp body two bottom sides and clamp body and the recipient between two symmetric angle holes and the main shaft is β=90 °-α.
3, the clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture according to claim 1, it is characterized in that, described anchor clamps also comprise hold down gag, it comprises that a cushion block and presses closer screw, at the clamp body top end face and be positioned at recipient installing hole rear end and be provided with on the cushion block groove that is communicated with the installing hole rear wall, the trailing flank and be provided with the countersunk head screw of connection at cushion block groove rear wall at clamp body, described cushion block is located in the cushion block groove, and the described screw that presses closer can be screwed into the countersunk head screw and spins to replacing in the cushion block rear end.
4, the clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture according to claim 3 is characterized in that, the rear wall of described recipient installing hole is the planomural face parallel with the trailing flank of clamp body.
According to the described clamp for machining that is used for electrohydraulic servo valve recipient aperture of claim 1 to 4, it is characterized in that 5, described recipient installing hole can be arranged to up big and down small one-level shoulder hole, the last hole and the recipient peripheral shape of this shoulder hole are adaptive.
6, the clamping tool for machine work that is used for electrohydraulic servo valve recipient aperture according to claim 5, it is characterized in that, be tight fit between described recipient installing hole and recipient, drill bushing and the clamp body drill bushing hole, the diameter coupling of the inboard aperture of described drill bushing and recipient two side holes.
7, a kind of machining process that is used for electrohydraulic servo valve recipient aperture, comprise the following steps: at first, adopt the clamp for machining that is used for electrohydraulic servo valve recipient aperture as claimed in claim 1, recipient to be processed is installed in the recipient installing hole of clamp body, secondly, left and right sides face with clamp body is that datum level is attacked the side opening that bores recipient left and right sides face vertical major, then, be that datum level is attacked and bored symmetrical two holes, angle with the angled α of main shaft of recipient top end face with two bottom sides of clamp body.
CNA2007100402777A 2007-04-29 2007-04-29 Machine work clamping apparatus for processing holes of acceptor in electrohydraulic servo valve Pending CN101293323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2007100402777A CN101293323A (en) 2007-04-29 2007-04-29 Machine work clamping apparatus for processing holes of acceptor in electrohydraulic servo valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2007100402777A CN101293323A (en) 2007-04-29 2007-04-29 Machine work clamping apparatus for processing holes of acceptor in electrohydraulic servo valve

Publications (1)

Publication Number Publication Date
CN101293323A true CN101293323A (en) 2008-10-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2007100402777A Pending CN101293323A (en) 2007-04-29 2007-04-29 Machine work clamping apparatus for processing holes of acceptor in electrohydraulic servo valve

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104511768A (en) * 2014-12-11 2015-04-15 重庆市西华机械制造有限公司 Screw lever type clamping mechanism
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
CN114310570A (en) * 2022-01-13 2022-04-12 无锡微研股份有限公司 Air conditioner die louver angle groove batch processing method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104511768A (en) * 2014-12-11 2015-04-15 重庆市西华机械制造有限公司 Screw lever type clamping mechanism
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
CN114310570A (en) * 2022-01-13 2022-04-12 无锡微研股份有限公司 Air conditioner die louver angle groove batch processing method

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Open date: 20081029