CN102672469A - Numerical control machining device for boring and barreling built-in oil duct - Google Patents
Numerical control machining device for boring and barreling built-in oil duct Download PDFInfo
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- CN102672469A CN102672469A CN2012101806073A CN201210180607A CN102672469A CN 102672469 A CN102672469 A CN 102672469A CN 2012101806073 A CN2012101806073 A CN 2012101806073A CN 201210180607 A CN201210180607 A CN 201210180607A CN 102672469 A CN102672469 A CN 102672469A
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Abstract
A numerical control machining device for boring and barreling a built-in oil duct comprises a central shaft. A conic tension sleeve is arranged on the central shaft and contained in a ball supporting frame, conic ball positioning holes are axially distributed on the ball supporting frame along the central shaft, the bottom of a conic ball is jointed with the surface of the conic tension sleeve, the upper portion of the conic ball is jointed with the surface of cylinder barrel inner cavity of a hydraulic cylinder in a rolling mode, and contact pressure between the conic ball and the surface of the cylinder barrel inner cavity is controlled by advancing and retreating of the conic tension sleeve on the numerical control central shaft. The numerical control machining device for boring and barreling the built-in oil duct is characterized in that through holes are arranged on the ball supporting frame, the conic tension sleeve and a bearing seat, a gap between the cylinder barrel inner cavity and the ball supporting frame and the through holes jointly form the oil duct, and scrap iron can be smoothly discharged through the oil duct by means of the arrangement. By means of the numerical control machining device for boring and barreling the built-in oil duct, smooth finish and hardness of machining of the cylinder barrel inner wall are improved, boring and barreling procedures can be completed in one step, and working efficiency is improved.
Description
Technical field
The present invention relates to field of machining, relate in particular to a kind of numerical control processing apparatus that the hydraulic cylinder inner cavity of cylinder is carried out boring and tumbling.
Background technology
Hydraulic cylinder industrial circle in modern times has widely and to use, and becomes multiple machinery indispensable important component part is set, and all need use said hydraulic cylinder or claim oil cylinder like the drive mechanism of various lathes, the power arm in the dynamic power machine etc.; And the machining accuracy on the inner cavity of cylinder of hydraulic cylinder surface and fineness are to the guaranteeing role that plays key service life of hydraulic cylinder; Otherwise hydraulic cylinder is prone to faults such as leakage of oil, pressure release, the normal use of influence machinery; Therefore, the high-precision processing on the inner cavity of cylinder of hydraulic cylinder surface is the basis of making the high-quality hydraulic cylinder; A kind of inner cavity of cylinder surface boring tumbling processing unit (plant) is disclosed on the market; It comprises a central shaft; Be set with a taper tensioning cover on the said central shaft; Said taper tensioning cover is placed in the ball bracing frame coaxial with it, and said ball bracing frame upper edge central shaft radially is evenly distributed with a plurality of taper ball locating holes, is positioned at the taper ball bottom and taper tensioning cover surface engagement of taper ball locating hole; Said taper ball top and the surface rolling of hydraulic cylinder inner cavity of cylinder are fitted, and control pressure or the pressure that contacts between taper ball and inner cavity of cylinder surface through the advance and retreat of the cover of the taper tensioning on control centre's axle; Obviously, if the pressure or the pressure that contact between taper ball and inner cavity of cylinder surface are big more, the fineness during tumbling is high more, and its evaluation criterion can be explained with minute surface mutually; This tumbling setting simultaneously also needs to match with inner cavity of cylinder boring operation; The iron filings that produced during boring need be discharged through oil duct; The oil duct of above-mentioned processing unit (plant) is arranged in the gap of inner cavity of cylinder surface and ball bracing frame; If when the taper ball diameter was relatively large, the gap that protrudes from the ball bracing frame was also relatively large, is convenient to oil circuit and unimpededly carries the iron filings discharge; But, adopt large diameter taper ball, during tumbling, strengthened the contact-making surface on taper ball and inner cavity of cylinder surface, contact pressure when having reduced tumbling or pressure are easy to make inner cavity of cylinder to produce striped, directly influence its mirror effect; If adopt the less taper ball of diameter, though contact pressure or pressure when having strengthened tumbling have overcome the defective of easy generation striped; Strengthened the mirror effect on inner cavity of cylinder surface; Protrude from the gap on the ball bracing frame but but reduced the taper ball, directly cause oil duct not smooth, the iron filings that produced during boring very easily stop up said taper ball and protrude from the gap on the ball bracing frame; Add and often break down man-hour, and influence the result of use of this device; Thereby be necessary to improve on this basis, tool patent searching document is not found the design that has same idea with the present invention as yet.
Summary of the invention
The purpose of this invention is to provide a kind of built-in oil duct boring tumbling numerical control processing apparatus that the hydraulic cylinder cylinder barrel is carried out the digital control processing of high accuracy minute surface.
Technical scheme of the present invention is achieved in that
A kind of built-in oil duct boring tumbling numerical control processing apparatus is provided; Comprise a central shaft; Be set with a taper tensioning cover on the said central shaft; Said taper tensioning cover is placed in the ball bracing frame coaxial with it, and said ball bracing frame upper edge central shaft radially is evenly distributed with a plurality of taper ball locating holes, fits with taper tensioning cover surface in the taper ball bottom that is positioned at taper ball locating hole; Said taper ball top and the surface rolling of hydraulic cylinder inner cavity of cylinder are fitted, and control pressure or the pressure that contacts between taper ball and inner cavity of cylinder surface through the advance and retreat of the cover of the taper tensioning on the numer centre axle; It is characterized in that: said ball bracing frame afterbody is fixedly connected with bearing block; Be provided with on said ball bracing frame, taper tensioning cover, the bearing block and be the equally distributed through hole of annular; Common formation oil duct between gap between inner cavity of cylinder and the ball bracing frame and said through hole, the said oil duct of the above setting of process just goes out smooth and easy discharge iron filings.
Aforesaid built-in oil duct boring tumbling numerical control processing apparatus, it is characterized in that: also be provided with a bearing block on the said central shaft, said bearing block is rotatably connected with central shaft through bearing.
Aforesaid built-in oil duct boring tumbling numerical control processing apparatus, it is characterized in that: said ball bracing frame is the hollow sleeve tubular.
Aforesaid built-in oil duct boring tumbling numerical control processing apparatus, it is characterized in that: said ball bracing frame head is round table-like.
Aforesaid built-in oil duct boring tumbling numerical control processing apparatus is characterized in that: said bearing block bottom is protruding ringwise, and the wall thickness of the height of said annular protrusion and ball bracing frame is suitable.
Aforesaid built-in oil duct boring tumbling numerical control processing apparatus, it is characterized in that: an end of said central shaft is provided with screw thread, is connected with an end of boring bar through said screw thread.
Aforesaid built-in oil duct boring tumbling numerical control processing apparatus is characterized in that: be provided with a pull bar in the said boring bar, an end of said pull bar with is connected through the blade on the cutting tool for boring that is provided with in the said central shaft, control the up-down of blade through pull bar.
Aforesaid built-in oil duct boring tumbling numerical control processing apparatus, it is characterized in that: the electromagnet that the other end of said pull bar and is fixedly installed on the electromagnetism relay controller on the main spindle box is connected.
Aforesaid built-in oil duct boring tumbling numerical control processing apparatus is characterized in that: the other end of said boring bar is connected with main spindle box on being arranged on lathe.
Built-in oil duct boring tumbling numerical control processing apparatus through above setting adds man-hour, cylinder barrel to be processed is placed on the lathe, and connect by above-mentioned annexation is corresponding; Said central shaft front end connects cutting tool for boring, and when main spindle box drive boring bar moves ahead, pull bar will be controlled the blade jacking on the cutting tool for boring and reach the position of the technical parameter that adds the design in man-hour, at this moment; Taper ball and inner cavity of cylinder are the state of getting loose, and tumbling action cut-off, boring bar are forwarded to the cylinder barrel top; Promptly accomplish when returning after the boring processing, start the electromagnetism relay controller, the electromagnet action also drives the pull bar withdrawal; And the residing height of blade of reduction cutting tool for boring, the boring state ends, at this moment; Taper ball and inner cavity of cylinder are the state of fitting tightly, beginning tumbling action, and main spindle box drives boring bar and turns back to initial position gradually; With action of reset spring that the electromagnetism relay controller is connected under, back-moving spring is returned to initial position with electromagnet; So accomplish the processing of cylinder barrel to be processed circularly.
The invention has the advantages that:
1, improve the fineness and the hardness of inner wall of cylinder, roughness reaches the Ra0.2-0.05 micron, and dimensional accuracy reaches the setting of H6 parameter, and circularity is less than 0.01 millimeter, and the Parameter H V of case hardness is greater than 4 degree.
2, adopt the boring bar rotation, workpiece is fixed, machining blanks when cutter moves ahead (1 to 8 millimeter of surplus), and roll extrusion during reversion, the disposable completion of boring tumbling operation is saved time, and has improved operating efficiency.
Description of drawings
Fig. 1 is a planar structure sketch map of the present invention.
Fig. 2 is a broken section three-dimensional structure diagram of the present invention.
Fig. 3 is the application structure floor map of an embodiment of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing 1 to accompanying drawing 3 explanation embodiments of the invention, but be not limited to following examples:
A kind of built-in oil duct boring tumbling numerical control processing apparatus is provided; Comprise a central shaft 5; Be set with taper tensioning cover 2 on the said central shaft 5; Said taper tensioning cover 2 is placed in the ball bracing frame 1 coaxial with it, and said ball bracing frame 1 upper edge central shaft 5 radially is evenly distributed with a plurality of taper ball locating holes 7, fits in taper ball 3 bottoms and taper tensioning cover 2 surfaces that are positioned at taper ball locating hole 7; The surface of internal cavity roll extrusion of said taper ball 3 tops and hydraulic cylinder cylinder barrel 9 is fitted, and controls pressure or the pressure that contacts between taper ball 3 and cylinder barrel 9 surface of internal cavity through the advance and retreat of the cover of the taper tensioning on the main spindle box numer centre axle 52; Also be provided with a bearing block 4 on the said central shaft 5, said bearing block 4 is rotatably connected with central shaft 5 through bearing 41; The afterbody of said ball bracing frame 1 is fixedly connected with bearing block 4; Be provided with on said ball bracing frame 1, taper tensioning cover 2, the bearing block 4 and be the equally distributed through hole 6 of annular; Common formation oil duct between gap between cylinder barrel 9 inner chambers and the ball bracing frame 1 and said through hole 6, the said oil duct of the above setting of process just goes out smooth and easy discharge iron filings.
Said ball bracing frame 1 is the hollow sleeve tubular.
The head of said ball bracing frame 1 is round table-like.
The bottom of said bearing block 4 is protruding ringwise, and the wall thickness of the height of said annular protrusion and ball bracing frame 1 is suitable.
One end of said central shaft 5 is provided with screw thread, is connected with an end of boring bar 11 through said screw thread.
Be provided with a pull bar 111 in the said boring bar 11, an end of said pull bar 111 with is connected through the blade 151 on the cutting tool for boring 15 that are provided with in the said central shaft 5, control the up-down of blades 151 through pull bar 111.
The electromagnet 101 that the other end of said pull bar 111 and is fixedly installed on the electromagnetism relay controller on the main spindle box 10 is connected.
The other end of said boring bar 11 is connected with main spindle box 10 on being arranged on lathe 8.
Referring to Fig. 3, application implementation example of the present invention is provided:
One lathe 8 is arranged; Be sequentially provided with main spindle box 10 on the lathe 8; Boring bar 11, boring bar supporting seat 14, holder 12, cylinder barrel clamping seats 13, tailstock 16; Place 16 of holder 12 and tailstocks fixing cylinder barrel 9, an end that is positioned at the pull bar 111 of boring bar 11 is connected with blade 151 on the cutting tool for boring that places cylinder barrel 9 15, and the other end of pull bar 111 is connected with electromagnet 101; Other connects with aforementioned embodiment; Further describe the course of work that should use embodiment below:
Through adding man-hour, cylinder barrel 9 to be processed is placed on the lathe 8, and connect by above-mentioned annexation is corresponding with the built-in oil duct boring tumbling numerical control processing apparatus of embodiment setting; Said central shaft 5 front ends connect cutting tool for boring 15, and when main spindle box 10 drive boring bars 11 move ahead, pull bar 111 will be controlled blade 151 jackings on the cutting tool for boring 15 and reach the position of the technical parameter that adds the design in man-hour; At this moment, taper ball 3 is the state of getting loose, the tumbling action cut-off with cylinder barrel 9 inner chambers; Boring bar 11 is forwarded to cylinder barrel 9 tops, promptly accomplishes when returning after the boring processing, starts the electromagnetism relay controller; Electromagnet 101 actions also drive pull bar 111 withdrawals, and reduce the blade 151 residing height of cutting tool for boring 15, and the boring state ends; At this moment; Taper ball 3 is the state of fitting tightly with cylinder barrel 9 inner chambers, beginning tumbling action, and main spindle box 10 drives boring bar 11 and turns back to initial position gradually; With action of reset spring that the electromagnetism relay controller is connected under, back-moving spring is returned to initial position with electromagnet 101; So accomplish the processing of cylinder barrel 9 to be processed circularly.
Though preceding text have shown detailed embodiment of the present invention, those skilled in the art revises and changes can carry out part under prerequisite of the present invention; The content of mentioning in the description of preceding text and the accompanying drawing has the built-in oil duct boring tumbling numerical control processing apparatus of above-mentioned technical characterictic only as illustrative case, all falls into this patent protection domain.
Claims (9)
1. built-in oil duct boring tumbling numerical control processing apparatus; Comprise a central shaft; Be set with a taper tensioning cover on the said central shaft; Said taper tensioning cover is placed in the ball bracing frame coaxial with it, and said ball bracing frame upper edge central shaft radially is evenly distributed with a plurality of taper ball locating holes, fits with taper tensioning cover surface in the taper ball bottom that is positioned at taper ball locating hole; Said taper ball top and the surface rolling of hydraulic cylinder inner cavity of cylinder are fitted, and control pressure or the pressure that contacts between taper ball and inner cavity of cylinder surface through the advance and retreat of the cover of the taper tensioning on the numer centre axle; It is characterized in that: be provided with on said ball bracing frame, taper tensioning cover, the bearing block and be the equally distributed through hole of annular, constitute oil duct jointly between gap between inner cavity of cylinder and the ball bracing frame and said through hole.
2. built-in oil duct boring tumbling numerical control processing apparatus as claimed in claim 1, it is characterized in that: also be provided with a bearing block on the said central shaft, said bearing block is rotatably connected with central shaft through bearing; Said ball bracing frame afterbody is fixedly connected with bearing block.
3. built-in oil duct boring tumbling numerical control processing apparatus as claimed in claim 1, it is characterized in that: said ball bracing frame is the hollow sleeve tubular.
4. built-in oil duct boring tumbling numerical control processing apparatus as claimed in claim 1, it is characterized in that: said ball bracing frame head is round table-like.
5. built-in oil duct boring tumbling numerical control processing apparatus as claimed in claim 1 is characterized in that: said bearing block bottom is protruding ringwise, and the wall thickness of the height of said annular protrusion and ball bracing frame is suitable.
6. built-in oil duct boring tumbling numerical control processing apparatus as claimed in claim 1, it is characterized in that: an end of said central shaft is provided with screw thread, is connected with an end of boring bar through said screw thread.
7. built-in oil duct boring tumbling numerical control processing apparatus as claimed in claim 6; It is characterized in that: be provided with a pull bar in the said boring bar; One end of said pull bar with is connected through the blade on the cutting tool for boring that is provided with in the said central shaft, control the up-down of blade through pull bar.
8. built-in oil duct boring tumbling numerical control processing apparatus as claimed in claim 7, it is characterized in that: the electromagnet that the other end of said pull bar and is fixedly installed on the electromagnetism relay controller on the main spindle box is connected.
9. built-in oil duct boring tumbling numerical control processing apparatus as claimed in claim 6 is characterized in that: the other end of said boring bar is connected with main spindle box on being arranged on lathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101806073A CN102672469A (en) | 2012-06-04 | 2012-06-04 | Numerical control machining device for boring and barreling built-in oil duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101806073A CN102672469A (en) | 2012-06-04 | 2012-06-04 | Numerical control machining device for boring and barreling built-in oil duct |
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| CN102672469A true CN102672469A (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101806073A Pending CN102672469A (en) | 2012-06-04 | 2012-06-04 | Numerical control machining device for boring and barreling built-in oil duct |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064310A (en) * | 2016-07-28 | 2016-11-02 | 宁夏宏源长城机床有限公司 | Round-ring like part complex machining device |
Citations (7)
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| CN1721136A (en) * | 2004-07-12 | 2006-01-18 | 速技能机械有限公司 | Barrel burnishing tool |
| JP2007090450A (en) * | 2005-09-27 | 2007-04-12 | Jtekt Corp | Machining tool for crank hole |
| CN200981155Y (en) * | 2006-12-19 | 2007-11-28 | 郑州煤矿机械集团有限责任公司 | Cylinder inner hole boring and rolling device |
| CN201217149Y (en) * | 2008-05-13 | 2009-04-08 | 山东法因数控机械股份有限公司 | Horizontal numerical control boring wheeling machine |
| CN102152084A (en) * | 2011-05-05 | 2011-08-17 | 柳州双吉机械有限公司 | Processing method for inner hole of cylinder |
| CN202123346U (en) * | 2011-05-05 | 2012-01-25 | 柳州双吉机械有限公司 | Cylinder barrel inner hole rolling head |
| CN202591974U (en) * | 2012-06-04 | 2012-12-12 | 天门双菱百变钢构有限责任公司 | Built-in oil way boring and roller burnishing numerical control machining device |
-
2012
- 2012-06-04 CN CN2012101806073A patent/CN102672469A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1721136A (en) * | 2004-07-12 | 2006-01-18 | 速技能机械有限公司 | Barrel burnishing tool |
| JP2007090450A (en) * | 2005-09-27 | 2007-04-12 | Jtekt Corp | Machining tool for crank hole |
| CN200981155Y (en) * | 2006-12-19 | 2007-11-28 | 郑州煤矿机械集团有限责任公司 | Cylinder inner hole boring and rolling device |
| CN201217149Y (en) * | 2008-05-13 | 2009-04-08 | 山东法因数控机械股份有限公司 | Horizontal numerical control boring wheeling machine |
| CN102152084A (en) * | 2011-05-05 | 2011-08-17 | 柳州双吉机械有限公司 | Processing method for inner hole of cylinder |
| CN202123346U (en) * | 2011-05-05 | 2012-01-25 | 柳州双吉机械有限公司 | Cylinder barrel inner hole rolling head |
| CN202591974U (en) * | 2012-06-04 | 2012-12-12 | 天门双菱百变钢构有限责任公司 | Built-in oil way boring and roller burnishing numerical control machining device |
Non-Patent Citations (1)
| Title |
|---|
| 农业机械技术: "《拖拉机修理经验汇编（二）》", 31 March 1971, article "滚压加工气缸套" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064310A (en) * | 2016-07-28 | 2016-11-02 | 宁夏宏源长城机床有限公司 | Round-ring like part complex machining device |
| CN106064310B (en) * | 2016-07-28 | 2017-11-14 | 宁夏宏源长城机床有限公司 | Round-ring like part complex machining device |
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Application publication date: 20120919 |