CN102416583B - Device and method for machining thin-wall sleeve type hydraulic pieces - Google Patents
Device and method for machining thin-wall sleeve type hydraulic pieces Download PDFInfo
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- CN102416583B CN102416583B CN 201110341519 CN201110341519A CN102416583B CN 102416583 B CN102416583 B CN 102416583B CN 201110341519 CN201110341519 CN 201110341519 CN 201110341519 A CN201110341519 A CN 201110341519A CN 102416583 B CN102416583 B CN 102416583B
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- conical surface
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- 238000003754 machining Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title description 3
- 238000012856 packing Methods 0.000 claims description 25
- 238000000227 grinding Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 229920001875 Ebonite Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
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Abstract
The invention provides a device for machining thin-wall sleeve type hydraulic pieces. The device comprises a core shaft, a deflector rod, a spring sleeve, a conical rod, a gasket and a locking nut, wherein one end of the core shaft is provided with a threaded hole, the axis of the threaded hole is basically vertical to that of the core shaft, and the deflector rod is provided with a threaded section and connected with the threaded hole through the threaded section; the core shaft comprises a conical surface section, a first circumferential section and a second circumferential section, which are sequentially connected; and the spring sleeve is basically cylindrical and sleeved on the conical surface section and the first circumferential section, the diameter of the inner hole of the spring sleeve is matched with the first circumferential section at an interval of 0.03 to 0.07 millimeter, the inner surface of the first end of the spring cylinder is a conical surface, the taper of the conical surface of the spring sleeve is as same as that of the conical surface section, the first end of the spring sleeve is propped against the conical surface section, and the spring sleeve can produce radial deformation under the action of an axial force.
Description
Technical field
This patent relates to a kind of hydraulic part processing unit (plant) and processing method, relates in particular to a kind of processing unit (plant) and processing method of thin-wall sleeve workpiece.
Background technology
Some cover parts in hydraulic part, part is little mostly, wall is thin, the method of carrying out grinding with the clamping cylindrical of routine can not guarantee the requirement of the form and position tolerances such as the circularity, cylindricity, linearity, axiality of part, and because of wall thin, the outer bowlder of clamping easily is out of shape, crushes, product quality is difficult to guarantee, for this reason, this area needs a kind of thin-wall sleeve type hydraulic-part processing device, can solve effectively that existing hydraulic part thin-wall sleeve parts spare is little, wall is thin, the clamping distortion, the difficult problem that the product quality such as part form and position tolerance, dimensional tolerance are difficult to guarantee.
Summary of the invention
For addressing the above problem, the present invention proposes a kind of hydraulic part thin-wall sleeve class processing unit (plant), comprise mandrel, driving lever, spring housing, cone bar, packing ring and locking nut, one end of described mandrel has screwed hole, the axis of described screwed hole is substantially vertical with the axis of described mandrel, described driving lever has thread segment, connects described screwed hole by described thread segment;
Described mandrel comprises conical surface section, the first circumferential segment and the second circumferential segment, and described conical surface section, the first circumferential segment and the circumferential segment of being connected connect successively; The diameter of the minimum diameter of described conical surface section and described the first circumferential segment is basic identical, and the diameter of described the first circumferential segment is greater than the diameter of described the second circumferential segment; The length of described the first circumferential segment is greater than the length of described conical surface section, and the length of described the second circumferential segment is greater than the length of described the first circumferential segment; Described conical surface section and described the first circumferential segment junction have groove, and the width of described groove is 0.1～0.5 times of described the first circumferential segment length;
Described spring housing is cylinder type substantially, be nested with on described conical surface section and described the first circumferential segment, its diameter of bore and the first circumferential segment adopt the matched in clearance of 0.03-0.07mm, the inner surface of the first end of described spring strut is the conical surface, the conical degree of conical surface of described spring housing is identical with the conical degree of conical surface of conical surface section, the first end of described spring housing is resisted against on described conical surface section, and described spring housing can under the effect of axial force, radial deformation occur;
Described cone bar is cylinder type substantially, is nested with on described the second circumferential segment, and its diameter of bore and the second circumferential segment adopt the matched in clearance of 0.03-0.07mm, and the first end of described cone bar is resisted against on the second end of described spring strut;
Described packing ring is cylinder type substantially, is nested with on described the second circumferential segment, and its diameter of bore is greater than the diameter of the second circumferential segment, and the first end of described packing ring is resisted against on the second end of described cone bar;
Described locking nut has internal thread, and it is resisted against on the second end of described packing ring, coordinates with external screw thread on mandrel to screw by described packing ring to compress described cone bar.
The inner surface of the second end of described spring strut is the conical surface, and the outer surface of the first end of described cone bar is the conical surface, and the tapering of two conical surfaces is identical, described spring strut be connected the cone bar and connect by two conical surfaces.
The processing method of the processing thin-walled cover class of above-mentioned hydraulic part thin-wall sleeve class processing unit (plant) is:
Select the spring housing of various outer diameter according to the endoporus internal diameter of thin-wall sleeve workpiece, making the external diameter of spring housing and the endoporus of hydraulic part thin-wall sleeve workpiece is the matched in clearance of 0.015-0.03mm, selects corresponding cone bar and packing ring according to the spring housing of selecting;
Workpiece is nested with on spring housing, adjusts locking nut, make the cone bar holddown spring cover that moves ahead by packing ring, spring housing generation strain, the tensioner inner hole of workpiece makes spring housing relative with the position of workpiece fixing;
Processing unit (plant) after the installation workpiece is held out against with stationary center with the rotation on grinding machine is top, and driving lever is stirred in the grinding machine spindle rotation, carries out peripheral milling processing;
After the peripheral milling process finishing, grinding machine quits work, and unclamps two toply, takes off processing unit (plant), unclamps locking nut, loosens packing ring, cone bar, and spring housing recovers reset condition, and expanding force disappears, and workpiece is taken off from processing unit (plant).
Because patent hydraulic part thin-wall sleeve class processing unit (plant) of the present invention adopts said structure, fundamentally solved hydraulic part thin-wall sleeve parts clamping distortion, the problem that required precision is strict is improved product quality, has adapted to better the installation requirement of hydraulic system; Because these device mounting or dismounting are convenient, greatly improved production efficiency simultaneously.
Description of drawings
Accompanying drawing 1 is patent hydraulic part thin-wall sleeve class processing unit (plant) structural representation of the present invention.
Reference numeral is as follows:
The 1-mandrel; The 2-driving lever; The 3-spring housing; 4-bores bar; The 5-packing ring; The 6-locking nut.
Specific implementation method
Referring to accompanying drawing 1, a kind of hydraulic part thin-wall sleeve class processing unit (plant), comprise mandrel, driving lever, spring housing, cone bar, packing ring and locking nut, one end of described mandrel has screwed hole, the axis of described screwed hole is substantially vertical with the axis of described mandrel, described driving lever has thread segment, connects described screwed hole by described thread segment, and the axis of the driving lever after installation is substantially vertical with the axis of mandrel;
Described mandrel comprises conical surface section, the first circumferential segment and the second circumferential segment, and described conical surface section, the first circumferential segment and the circumferential segment of being connected connect successively; The miner diameter end of described conical surface section connects the first circumferential segment, and the diameter of its minimum diameter and described the first circumferential segment is basic identical, and the diameter of described the first circumferential segment is greater than the diameter of described the second circumferential segment; The length of described the first circumferential segment is greater than the length of described conical surface section, and the length of described the second circumferential segment is greater than the length of described the first circumferential segment; Described conical surface section and described the first circumferential segment junction have groove (escape), the width of described groove is 0.1～0.5 times of described the first circumferential segment length, groove not only can play the effect of escape, can also reduce the friction of spring housing and the first circumferential segment, spring housing is more easily expanded and more easily dismounting, facilitate dismounting and the installation of device;
Described spring housing is cylinder type substantially, preferred hard rubber or the resin material of using made, can under the effect of axial force, radial deformation occur, and can return to the original form when removing axial force, spring housing is nested with on described conical surface section and described the first circumferential segment, its diameter of bore and the first circumferential segment adopt the matched in clearance of 0.03-0.07mm, the inner surface at the first end place of described spring strut is the conical surface, the conical degree of conical surface of described spring housing is identical with the conical degree of conical surface of conical surface section, and the first end of described spring housing is resisted against on described conical surface section;
Described cone bar is cylinder type substantially, is nested with on described the second circumferential segment, and its diameter of bore and the second circumferential segment adopt the matched in clearance of 0.03-0.07mm, and the first end of described cone bar is resisted against on the second end of described spring strut;
Described packing ring is cylinder type substantially, is nested with on described the second circumferential segment, and its diameter of bore is greater than the diameter of the second circumferential segment, and the first end of described packing ring is resisted against on the second end of described cone bar;
Described locking nut has internal thread, and it is resisted against on the second end of described packing ring, matches with external screw thread on mandrel, can screw by described packing ring and compress described cone bar.
The inner surface at the second end place of described spring strut is the conical surface, and the outer surface at the first end place of described cone bar is the conical surface, and the tapering of two conical surfaces is identical, described spring strut be connected the cone bar and connect by two conical surfaces.
The processing method of the processing thin-walled cover class of above-mentioned hydraulic part thin-wall sleeve class processing unit (plant) is:
Select the spring housing of various outer diameter according to the endoporus internal diameter of thin-wall sleeve workpiece, making the external diameter of spring housing and the endoporus of hydraulic part thin-wall sleeve workpiece is the matched in clearance of 0.015-0.03mm, selects corresponding cone bar and packing ring according to the spring housing of selecting;
Workpiece is nested with on spring housing, adjusts locking nut, make the cone bar holddown spring cover that moves ahead by packing ring, spring housing generation strain, the tensioner inner hole of workpiece makes spring housing relative with the position of workpiece fixing;
Processing unit (plant) after the installation workpiece is held out against with stationary center with the rotation on grinding machine is top, and driving lever is stirred in the grinding machine spindle rotation, carries out peripheral milling processing;
After the peripheral milling process finishing, grinding machine quits work, and unclamps two toply, takes off processing unit (plant), unclamps locking nut, loosens packing ring, cone bar, and spring housing recovers reset condition, and expanding force disappears, and workpiece is taken off from processing unit (plant).
The above; only be the better specific embodiment of patent of the present invention; but the protection domain of patent of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that patent of the present invention discloses; the variation that can expect easily or replacement are within all should being encompassed in the protection domain of patent of the present invention.
Claims (1)
1. thin-wall sleeve type hydraulic-part processing device, it is characterized in that: comprise mandrel, driving lever, spring housing, cone bar, packing ring and locking nut, one end of described mandrel has screwed hole, the axis of described screwed hole is substantially vertical with the axis of described mandrel, described driving lever has thread segment, connects described screwed hole by described thread segment;
Described mandrel comprises conical surface section, the first circumferential segment and the second circumferential segment, and described conical surface section, the first circumferential segment and the circumferential segment of being connected connect successively; The diameter of the minimum diameter of described conical surface section and described the first circumferential segment is basic identical, and the diameter of described the first circumferential segment is greater than the diameter of described the second circumferential segment; The length of described the first circumferential segment is greater than the length of described conical surface section, and the length of described the second circumferential segment is greater than the length of described the first circumferential segment; Described conical surface section and described the first circumferential segment junction have groove, and the width of described groove is 0.1～0.5 times of described the first circumferential segment length;
Described spring housing is cylinder type substantially, be nested with on described conical surface section and described the first circumferential segment, its diameter of bore and the first circumferential segment adopt the matched in clearance of 0.03-0.07mm, the inner surface at the first end place of described spring housing is the conical surface, the conical degree of conical surface of described spring housing is identical with the conical degree of conical surface of conical surface section, the first end of described spring housing is resisted against on described conical surface section, and described spring housing can under the effect of axial force, radial deformation occur;
Described cone bar is cylinder type substantially, is nested with on described the second circumferential segment, and its diameter of bore and the second circumferential segment adopt the matched in clearance of 0.03-0.07mm, and the first end of described cone bar is resisted against on the second end of described spring housing;
Described packing ring is cylinder type substantially, is nested with on described the second circumferential segment, and its diameter of bore is greater than the diameter of the second circumferential segment, and the first end of described packing ring is resisted against on the second end of described cone bar;
Described locking nut has internal thread, and it is resisted against on the second end of described packing ring, coordinates with external screw thread on mandrel to screw by described packing ring to compress described cone bar.
2. a kind of thin-wall sleeve type hydraulic-part processing device as claimed in claim 1, it is characterized in that: the inner surface of the second end of described spring housing is the conical surface, the outer surface of the first end of described cone bar is the conical surface, and the tapering of two conical surfaces is identical, described spring housing be connected the cone bar and connect by two conical surfaces.
3. right to use requires the processing method of the 1 or 2 processing thin-walled cover class of described thin-wall sleeve type hydraulic-part processing device hydraulic parts, it is characterized in that comprising the following steps:
Select the spring housing of various outer diameter according to the endoporus internal diameter of thin-wall sleeve type hydraulic-part, making the external diameter of spring housing and the endoporus of thin-wall sleeve type hydraulic-part is the matched in clearance of 0.015-0.03mm, selects corresponding cone bar and packing ring according to the spring housing of selecting;
Thin-wall sleeve type hydraulic-part is nested with on spring housing, adjusts locking nut, make the cone bar holddown spring cover that moves ahead by packing ring, spring housing generation strain, tensioner thin-wall sleeve type hydraulic-part endoporus makes spring housing relative with the position of thin-wall sleeve type hydraulic-part fixing;
Processing unit (plant) after the installation thin-wall sleeve type hydraulic-part is held out against with stationary center with the rotation on grinding machine is top, and driving lever is stirred in the grinding machine spindle rotation, carries out peripheral milling processing;
After the peripheral milling process finishing, grinding machine quits work, and unclamps two toply, takes off processing unit (plant), unclamps locking nut, loosens packing ring, cone bar, and spring housing recovers reset condition, and expanding force disappears, and thin-wall sleeve type hydraulic-part is taken off from processing unit (plant).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110341519 CN102416583B (en) | 2011-11-02 | 2011-11-02 | Device and method for machining thin-wall sleeve type hydraulic pieces |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110341519 CN102416583B (en) | 2011-11-02 | 2011-11-02 | Device and method for machining thin-wall sleeve type hydraulic pieces |
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| Publication Number | Publication Date |
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| CN102416583A CN102416583A (en) | 2012-04-18 |
| CN102416583B true CN102416583B (en) | 2013-05-22 |
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| CN 201110341519 Active CN102416583B (en) | 2011-11-02 | 2011-11-02 | Device and method for machining thin-wall sleeve type hydraulic pieces |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102717319B (en) * | 2012-06-28 | 2015-11-04 | 自贡硬质合金有限责任公司 | A kind of frock and mill processing method thereof |
| CN103659335A (en) * | 2013-11-28 | 2014-03-26 | 无锡市航鹄科技有限公司 | Tool structure for machining thin-walled components |
| CN104259940A (en) * | 2014-09-23 | 2015-01-07 | 山西汤荣机械制造股份有限公司 | Mandrel device for grinding positioning sleeve |
| CN110814878A (en) * | 2019-11-13 | 2020-02-21 | 中国航发动力股份有限公司 | Device for processing rubber sealing conical core |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1584389A1 (en) * | 2004-04-06 | 2005-10-12 | Schunk GmbH & Co. KG Spann- und Greiftechnik | Expansion chucking device |
| CN101596695A (en) * | 2009-07-10 | 2009-12-09 | 张志强 | A kind of fixture for grinding processing ultra-thin wall parts |
| CN201455752U (en) * | 2009-04-28 | 2010-05-12 | 河南工业大学 | Jig for processing thin-wall sleeve type parts |
| CN201483361U (en) * | 2009-07-30 | 2010-05-26 | 陕西秦川机械发展股份有限公司 | Novel elastic sleeve centering and clamping mechanism |
| CN202317982U (en) * | 2011-11-02 | 2012-07-11 | 山东常林机械集团股份有限公司 | Thin-wall sleeve type hydraulic-part processing device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS591140A (en) * | 1982-06-23 | 1984-01-06 | Matsushita Electric Ind Co Ltd | Concentric working machine |
| JPH08118212A (en) * | 1994-10-20 | 1996-05-14 | Tadashi Suzuki | Drum grinder |
| JP2003175444A (en) * | 2002-10-24 | 2003-06-24 | Seiko Instruments Inc | Outer-periphery grinding machine for ferrule |
-
2011
- 2011-11-02 CN CN 201110341519 patent/CN102416583B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1584389A1 (en) * | 2004-04-06 | 2005-10-12 | Schunk GmbH & Co. KG Spann- und Greiftechnik | Expansion chucking device |
| CN201455752U (en) * | 2009-04-28 | 2010-05-12 | 河南工业大学 | Jig for processing thin-wall sleeve type parts |
| CN101596695A (en) * | 2009-07-10 | 2009-12-09 | 张志强 | A kind of fixture for grinding processing ultra-thin wall parts |
| CN201483361U (en) * | 2009-07-30 | 2010-05-26 | 陕西秦川机械发展股份有限公司 | Novel elastic sleeve centering and clamping mechanism |
| CN202317982U (en) * | 2011-11-02 | 2012-07-11 | 山东常林机械集团股份有限公司 | Thin-wall sleeve type hydraulic-part processing device |
Non-Patent Citations (3)
| Title |
|---|
| JP昭59-1140A 1984.01.06 |
| JP特开2003-175444A 2003.06.24 |
| JP特开平8-118212A 1996.05.14 |
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| CN102416583A (en) | 2012-04-18 |
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Inventor after: Han Bin Inventor after: Zhang Yihua Inventor after: Zhang Guizhong Inventor after: Hu Zunbo Inventor after: Chen Deyu Inventor after: Tang Xinyi Inventor after: Yang Junhua Inventor after: Gao Gongru Inventor before: Zhang Guizhong Inventor before: Hu Zunbo Inventor before: Chen Deyu Inventor before: Tang Xinyi Inventor before: Yang Junhua Inventor before: Gao Gongru |
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Free format text: CORRECT: INVENTOR; FROM: ZHANG GUIZHONG HU ZUNBO CHEN DEYU TANG XINYI YANG JUNHUA GAO GONGRU TO: HAN BIN ZHANG YIHUA ZHANG GUIZHONG HU ZUNBO CHEN DEYU TANG XINYI YANG JUNHUA GAO GONGRU |
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