CN101450394B - Processing clamp for through-hole on armature of electrohydraulic servo valve - Google Patents
Processing clamp for through-hole on armature of electrohydraulic servo valve Download PDFInfo
- Publication number
- CN101450394B CN101450394B CN 200710171552 CN200710171552A CN101450394B CN 101450394 B CN101450394 B CN 101450394B CN 200710171552 CN200710171552 CN 200710171552 CN 200710171552 A CN200710171552 A CN 200710171552A CN 101450394 B CN101450394 B CN 101450394B
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- hole
- armature
- drill bushing
- center
- holes
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Abstract
The invention discloses a machining fixture for a through hole on an armature in an electro-hydraulic servo valve, which comprises a jig body, a first upper jig bush and a lower jig bush, wherein a cavity used for placing an armature, the upper jig bush and the lower jig bush is arranged on the end face of the jig body; the first upper jig bush and the lower jig bush are identical in structure, have the shape matched with the shape of the cavity of the jig body, and are provided with three through holes on the end faces; the three through holes comprise a central through hole and a pair of lateral holes symmetrically arranged on both sides of the central hole; the sizes and positions of the three through holes are set according to the side and position of a through hole of the armature; and the lower jig bush, the armature and the first upper jig bush are sequentially placed in an inner cavity of the jig body from bottom to top. The machining fixture for the through hole on the armature in the electro-hydraulic servo valve has the advantages of convenient and simple clamping, high repeated positioning and rotating precision, high efficiency and low cost. The machined armature is correct in hole position, high in precision and good in consistency, so as to greatly improve machining efficiency and reduce the requirement on the technical level of workers.
Description
Technical field
The present invention relates to a kind of clamping tool for machine work of accurate finding, relate in particular to a kind of clamp for machining for the electrohydraulic servo valve through-hole on armature.
Background technology
Electrohydraulic servo valve at the development experience of international professional domain the time of five more than ten years, the occasion of application is also more and more extensive.Yet the research of servo valve also is in a relatively backward state at home, particularly the machining manufacture view of strength member is more outstanding, the size tolerance requirements of through-hole on armature is in 0.01mm, and the perpendicularity of through-hole on armature and bottom surface requires also in 0.01mm, difficulty of processing is comparatively obvious, there is following defective in present domestic like product machining: mainly rely on workman's manual skill that through-hole on armature is processed, be characterized in requiring workman's manual skill level high, workload strengthens, must cause inefficiency, processing cost increases, output reduces, and can not satisfy the existing market demand.
Summary of the invention
The object of the invention is to overcome the defects that prior art exists, provide a kind of operability good, the required clamp for machining that is used for the electrohydraulic servo valve through-hole on armature in the armature mechanical processing process of positioning accuracy height, good reproducibility, long service life.
The objective of the invention is to be achieved by following technical scheme: a kind of clamp for machining for the electrohydraulic servo valve through-hole on armature, comprise drill bushing on the model drilling body, one first, drill bushing once, wherein, the end face of described model drilling body is provided with one for the cavity of settling armature and upper and lower drill bushing; Drill bushing is identical with the structure of lower drill bushing on described first, cavity shape coupling and the end face of their profile and model drilling body are provided with three through holes, these three through holes comprise that a center through hole and a pair of symmetry are located at the other hole on these center through hole both sides, and the size of these three through holes and position arrange according to size and the position of the through hole of armature; Drill bushing is placed in the inner chamber of model drilling body successively from bottom to top on described lower drill bushing, the armature and first.
The above-mentioned clamp for machining that is used for the electrohydraulic servo valve through-hole on armature, wherein, also comprise drill bushing on one second, the profile of this drill bushing on second and the cavity shape of model drilling body coupling and end face are provided with three through holes, these three through holes comprise that a center through hole and a pair of symmetry are located at the other hole on these center through hole both sides, the size in this hole, side and position arrange according to the size in the other hole on the armature and position, the position of center through hole according to the location arrangements of the center through hole on the armature and diameter less than the diameter of the center through hole on the armature;
The above-mentioned clamp for machining that is used for the electrohydraulic servo valve through-hole on armature, wherein, the cavity shape of described model drilling body is that rectangle, its profile are flat cylinder.
Adopted the technical scheme of the clamp for machining for the electrohydraulic servo valve through-hole on armature of the present invention, convenient mounting and clamping, simple wherein, resetting and rotating accuracy are high, efficient is high, cost is low, the position, armature hole that processes is correct, and precision is high, high conformity, greatly improve working (machining) efficiency, reduced the requirement to workman's technical merit.
Description of drawings
Fig. 1 is the top view of armature;
Fig. 2 is the cutaway view of the use state of the clamp for machining for the electrohydraulic servo valve through-hole on armature of the present invention;
Fig. 3 is the top view of the use state of the clamp for machining for the electrohydraulic servo valve through-hole on armature of the present invention.
The specific embodiment
Provide the specific embodiment of the present invention below in conjunction with accompanying drawing:
See also Fig. 1, the through hole that the armature 1 in the electrohydraulic servo valve must be processed has center through hole 10 and is symmetricly set on the other hole 12 on center through hole 11 both sides, and its profile is flat unequal-sided eight prism block.
See also again Fig. 2 and Fig. 3, a kind of clamp for machining for the electrohydraulic servo valve through-hole on armature of the present invention, comprise drill bushing 3 on the model drilling body 2 one the first, drill bushing 4 once, wherein, the end face of model drilling body 2 is provided with one and is used for settling armature 1 and upper and lower drill bushing 3,4 cavity 20; Drill bushing 3 is identical with the structure of lower drill bushing 4 on first, cavity 20 form fit and the end face of their profile and model drilling body 2 are provided with three through holes, these three through holes comprise a center through hole 31,41 and a pair of symmetry be located at the other hole 32,42 on this center through hole 31,41 both sides, the size of these three through holes and position arrange according to size and the position of the through hole of armature 1;
Drill bushing is placed in the inner chamber of model drilling body successively from bottom to top on lower drill bushing, the armature and first.
A kind of clamp for machining for the electrohydraulic servo valve through-hole on armature of the present invention also comprises drill bushing (not shown) on one second, the profile of this drill bushing on second and cavity 20 form fit and the end face of model drilling body 2 are provided with three through holes, these three through holes comprise that a center through hole and a pair of symmetry are located at the other hole on these center through hole both sides, the size in this hole, side and position arrange according to the size in the other hole 12 on the armature 1 and position, the position of center through hole according to the location arrangements of the center through hole 11 on the armature 1 and diameter less than the diameter of the center through hole 11 on the armature 1;
The inner chamber 20 of model drilling body 2 and up and down drill bushing 3,4 little matched in clearance, its profile is flat cylinder, inner chamber is rectangle, convenient up and down drill bushing 3,4 and the location of armature 1, the clamping of flat cylinder Convenient vice;
Two upper drill bushings 3 and the lower drill bushing 4 little inner chambers 20 that are engaged in gap on the model drilling body 2, its material is Cr12MoV or T10A, and its hardness is high, wear-resistant after quenching, and two upper drill bushings 3 can be for boring play the guiding role, and lower drill bushing 4 plays the chip removal effect.
First lower drill bushing 4 is fed in the inner chamber 20 of model drilling body 2, in the inner chamber 20 of the model drilling body 2 of then armature 1 being packed into, reinstall drill bushing on second, bore a size that is slightly less than the center through hole 11 that requires on the armature 1, then take out drill bushing on second, put into drill bushing 3 on first, hole on the expansion armature 1 is to requiring size, take out drill bushing 3 on first, take out armature 1, finish the processing of this operation.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates 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 (2)
1. clamp for machining that is used for the electrohydraulic servo valve through-hole on armature comprises drill bushing on the model drilling body, one first, drill bushing once, it is characterized in that,
The end face of described model drilling body is provided with one for the cavity of settling armature and upper and lower drill bushing;
Drill bushing is identical with the structure of lower drill bushing on described first, cavity shape coupling and the end face of their profile and model drilling body are provided with three through holes, these three through holes comprise that a center through hole and a pair of symmetry are located at the other hole on these center through hole both sides, and the size of these three through holes and position arrange according to size and the position of the through hole of armature;
Drill bushing is placed in the inner chamber of model drilling body successively from bottom to top on described lower drill bushing, the armature and first;
Described clamp for machining also comprises drill bushing on one second, the profile of this drill bushing on second and the cavity shape of model drilling body coupling and end face are provided with three through holes, these three through holes comprise that a center through hole and a pair of symmetry are located at the other hole on these center through hole both sides, the size in this hole, side and position arrange according to the size in the other hole on the armature and position, the position of center through hole according to the location arrangements of the center through hole on the armature and diameter less than the diameter of the center through hole on the armature.
2. the clamp for machining for the electrohydraulic servo valve through-hole on armature according to claim 1 is characterized in that, the cavity shape of described model drilling body is that rectangle, its profile are flat cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710171552 CN101450394B (en) | 2007-11-30 | 2007-11-30 | Processing clamp for through-hole on armature of electrohydraulic servo valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710171552 CN101450394B (en) | 2007-11-30 | 2007-11-30 | Processing clamp for through-hole on armature of electrohydraulic servo valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101450394A CN101450394A (en) | 2009-06-10 |
| CN101450394B true CN101450394B (en) | 2013-01-09 |
Family
ID=40732978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710171552 Expired - Fee Related CN101450394B (en) | 2007-11-30 | 2007-11-30 | Processing clamp for through-hole on armature of electrohydraulic servo valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101450394B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0011656A1 (en) * | 1978-12-01 | 1980-06-11 | Garfield Wiggins | Doweling jig |
| CN2576389Y (en) * | 2002-11-08 | 2003-10-01 | 辛世生 | Column-core mould socket-drilling, drilling mould special for colour display |
| EP1484126A1 (en) * | 2003-06-03 | 2004-12-08 | Helmut Buck | Deep hole drill |
-
2007
- 2007-11-30 CN CN 200710171552 patent/CN101450394B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0011656A1 (en) * | 1978-12-01 | 1980-06-11 | Garfield Wiggins | Doweling jig |
| CN2576389Y (en) * | 2002-11-08 | 2003-10-01 | 辛世生 | Column-core mould socket-drilling, drilling mould special for colour display |
| EP1484126A1 (en) * | 2003-06-03 | 2004-12-08 | Helmut Buck | Deep hole drill |
Non-Patent Citations (1)
| Title |
|---|
| 岁纪平等.同轴双位导向钻模的应用.《机械工人 冷加工》.1994,(第6期),10-11. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101450394A (en) | 2009-06-10 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20131130 |