CN105397619A - Multi-stage grinding rod - Google Patents
Multi-stage grinding rod Download PDFInfo
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- CN105397619A CN105397619A CN201410468081.8A CN201410468081A CN105397619A CN 105397619 A CN105397619 A CN 105397619A CN 201410468081 A CN201410468081 A CN 201410468081A CN 105397619 A CN105397619 A CN 105397619A
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- grinding rod
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- rod main
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Abstract
The invention relates to the field of machining, in particular to a multi-stage grinding rod which is used for grinding an inner hole, provided with multi-stage grinding sections and high in grinding precision. The multi-stage grinding rod comprises a grinding rod main body, a ball and a driving shifting sleeve. The grinding rod main body is connected with the driving shifting sleeve through a shifting pin. The ball used for ensuring that the feed force always acts on the central axis of the grinding rod main body is arranged between the grinding rod main body and the driving shifting sleeve. The grinding rod main body is provided with an initial positioning slightly-grinding section, a first-stage grinding section, a second-stage grinding section and a third-stage grinding section. The grinding face of the first-stage grinding section, the grinding face of the second-stage grinding section and the grinding face of the third-stage grinding section are all conical faces of which the taper direction points to the initial positioning slightly-grinding section and the tapers are increased progressively and sequentially. The grinding rod main body is provided with the multi-stage grinding sections, and the grinding rod can complete the workload of a plurality of conventional grinding rods; the machining cost is low and the grinding precision is high; the roundness and inclination of the machined inner hole can be controlled within the range of 0.001 mm.
Description
Technical field
The present invention relates to field of machining, specifically a kind of endoporus that is used for grinds and is provided with multistage ground section, the much higher level grinding rod of grinding precision.
Background technology
Along with development in science and technology and social progress, people also improve day by day to the manufacturing requirement on machining accuracy of mechanized equipment, and the machining accuracy of the accuracy of manufacture of mechanized equipment and machining accuracy and single part is closely bound up.In the precision cutting of prior art and grinding, part processing precision is subject to the restriction of machining equipment precision always, the impact being such as subject to machine tool chief axis precision He heightening the machine tools repeatability positioning accuracy.For hole machined in turbo-charger bearing shell inner hole, hydraulic valve endoporus, pump endoporus etc., common processing mode is that the grinding rod that is installed on machining equipment carries out endoporus grinding, just because of the restriction of machining equipment precision, circularity after endoporus grinding and slightly degree are difficult to control in the scope of 0.001mm, in addition, this kind of mode needs the grinding rod being repeatedly installed to change different accuracy repeatedly to grind, and usually needs replacing three or four grinding rods, complex operation.If adopt import grinder, the endoporus circularity of grinding out is general also only at about 0.0025mm, and slightly spend at about 0.003mm, machining accuracy is also difficult to further raising.
Summary of the invention
The object of the present invention is to provide a kind of multistage grinding rod for endoporus grinding, grinding rod main body is provided with multistage ground section, and grinding precision is high, easy to operate.
The object of the invention is to be achieved through the following technical solutions:
A kind of multistage grinding rod, comprise grinding rod main body, ball and driving pulling sleeve, wherein grinding rod main body is provided with multistage ground section, the drive end of described grinding rod main body is connected with driving pulling sleeve, is provided with for ensureing that centripetal force acts on the ball on grinding rod main center axis all the time between grinding rod main body and driving pulling sleeve.
Described grinding rod main body is provided with successively just location micro-section of grinding, one-level ground section, secondary grinder section and three grades of ground section, wherein the abradant surface of one-level ground section, secondary grinder section and three grades of ground section is the taper seat that taper direction points to the micro-section of grinding in described just location.
The abradant surface tapering of described one-level ground section, secondary grinder section and three grades of ground section increases progressively successively.
The abradant surface of described one-level ground section is provided with 0.03mm tapering, the abradant surface of described secondary grinder section increases 0.03mm tapering on the tapering basis of one-level ground section, and the abradant surface of described three grades of ground section increases 0.03mm tapering again on the tapering basis of secondary grinder section.
Described just location in micro-section of grinding, one-level ground section, secondary grinder section and three grades of ground section is equipped with helicla flute.
The drive end plug-in mounting of described grinding rod main body to be entered in described driving pulling sleeve and is connected with described driving pulling sleeve by finger, and described driving pulling sleeve internal vertical offsets in the plane of pivot and described ball.
The drive end of described grinding rod main body is provided with technique apical pore, and namely described ball is contained in described technique apical pore.
Gap is left between the sidewall of described driving pulling sleeve and grinding rod main body.
Be provided with one section of light face section between the drive end of described grinding rod main body and three grades of ground section, described light face section diameter is less than the lappingout size of workpiece to be processed endoporus.
Advantage of the present invention and good effect are:
1, the present invention is provided with multistage ground section in grinding rod main body, and can replace the workload that conventional many grinding rods complete, processing cost is low and grinding precision is high, and the endoporus circularity after processing and slightly degree can be controlled within the scope of 0.001mm.
2, driving pulling sleeve of the present invention is connected with the drive end of grinding rod main body by a finger, a ball is provided with between grinding rod main body and driving pulling sleeve, drive pulling sleeve to be offseted by inner plane and described ball to promote grinding rod main body and move, described ball can ensure that centripetal force acts on the central axis of grinding rod main body all the time, beat power can not be produced, eliminate decentraction, out of plumb and transmission system footpath jump and the impact of various drag.
3, leave enough gaps between driving pulling sleeve sidewall of the present invention and grinding rod main body to prevent from interfering.
3, accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Wherein, 1 for just locating micro-section of grinding, and 2 is one-level abrasive tip, and 3 is secondary grinder section, and 4 is three grades of ground section, and 5 is light face section, and 6 is drive end, and 7 is finger, and 8 is ball, and 9 for driving pulling sleeve, and 10 is helicla flute.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the present invention includes grinding rod main body, finger 7, ball 8 and drive pulling sleeve 9, wherein grinding rod main body is column, grinding rod main body is provided with just location micro-section of grinding 1, one-level ground section 2, secondary grinder section 3, three grades of ground section 4, light face section 5 and drive end 6 successively, wherein just locates the helicla flute 10 micro-section of grinding 1, one-level ground section 2, secondary grinder section 3 and three grades of ground section 4 being equipped with and also playing guiding function for accommodating grinding agent.
The micro-section of grinding 1 in first location of grinding rod main body is located for being installed and slightly grinding workpiece, and the abradant surface of the micro-section of grinding 1 in described just location is the face of cylinder.One-level ground section 2, the abradant surface of secondary grinder section 3 and three grades of ground section 4 is the taper seat that taper direction points to the just micro-section of grinding 1 in location, wherein one-level ground section 2 is for elementary grinding, in the present embodiment, the abradant surface of described one-level ground section 2 is provided with 0.03mm tapering, secondary grinder section 3 is for grinding further endoporus, in the present embodiment, the abradant surface of secondary grinder section 3 turn increases 0.03mm tapering on the tapering basis of one-level ground section 2, three grades of ground section 4 are for lappingout, in the present embodiment, the abradant surface of three grades of ground section 4 increases 0.03mm tapering again for lappingout on the tapering basis of secondary grinder section 3.The present embodiment is provided with four sections of ground section altogether, and the concrete quantity of ground section can be arranged according to actual needs.
Drive end 6 plug-in mounting of grinding rod main body to be entered to drive in pulling sleeve 9 and is connected with described driving pulling sleeve 9 by finger 7, between the plane and drive end 6 end face of grinding rod main body of pivot, a ball 8 is provided with in driving pulling sleeve 9 internal vertical, the technique apical pore for processing grinding rod main body is provided with at the drive end 6 of grinding rod main body, namely described ball 8 is contained in described technique apical pore, drive pulling sleeve 9 internal vertical to offset to promote grinding rod main body in the plane of pivot and described ball 8 to move, described ball 8 can ensure that centripetal force acts on the central axis of grinding rod main body all the time, beat power can not be produced, eliminate decentraction, the impact of out of plumb and the jumping of transmission system footpath and various drag.Leave gap between driving pulling sleeve 9 sidewall and grinding rod main body to prevent from interfering.
Between the drive end 6 and three grades of ground section 4 of grinding rod main body, be provided with one section of light face section 5, described light face section 5 is interfered with driving pulling sleeve 9 to prevent workpiece for the feeding of grinding rod main body reserves surplus.Described light face section 5 diameter is less than the lappingout size of inner hole of workpiece, and such light face section 5 just can move freely in endoporus, in the present embodiment, and the diameter 0.02mm less of the lappingout size of inner hole of workpiece of light face section 5.
Operation principle of the present invention is:
During use, grinding rod main body moves under centripetal force effect in the endoporus of workpiece to be processed, first the micro-section of grinding 1 in first location of grinding rod main body slightly grinds endoporus, one-level ground section 2 pairs of endoporus carry out elementary grinding, secondary grinder section 3 pairs of endoporus grind further, three grades of ground section, 4 pairs of endoporus carry out lappingout, drive pulling sleeve 9 internal vertical to offset in the plane of pivot and ball 8 to promote grinding rod main body and move, described ball 8 makes centripetal force act on the central axis of grinding rod main body all the time, beat power can not be produced, eliminate decentraction, the impact of out of plumb and the jumping of transmission system footpath and various drag.
Claims (9)
1. a multistage grinding rod, it is characterized in that: comprise grinding rod main body, ball (8) and drive pulling sleeve (9), wherein grinding rod main body is provided with multistage ground section, the drive end (6) of described grinding rod main body is connected with driving pulling sleeve (9), is provided with for ensureing that centripetal force acts on the ball (8) on grinding rod main center axis all the time between grinding rod main body and driving pulling sleeve (9).
2. multistage grinding rod according to claim 1, it is characterized in that: described grinding rod main body is provided with successively the just micro-section of grinding in location (1), one-level ground section (2), secondary grinder section (3) and three grades of ground section (4), wherein the abradant surface of one-level ground section (2), secondary grinder section (3) and three grades of ground section (4) is taper direction and points to described first taper seat of locating micro-section of grinding (1).
3. multistage grinding rod according to claim 2, is characterized in that: the abradant surface tapering of described one-level ground section (2), secondary grinder section (3) and three grades of ground section (4) increases progressively successively.
4. multistage grinding rod according to claim 3, it is characterized in that: the abradant surface of described one-level ground section (2) is provided with 0.03mm tapering, the abradant surface of described secondary grinder section (3) increases 0.03mm tapering on the tapering basis of one-level ground section (2), and the abradant surface of described three grades of ground section (4) increases 0.03mm tapering again on the tapering basis of secondary grinder section (3).
5. multistage grinding rod according to claim 2, is characterized in that: the described just micro-section of grinding in location (1), one-level ground section (2), secondary grinder section (3) and three grades of ground section (4) are equipped with helicla flute (10).
6. multistage grinding rod according to claim 1, it is characterized in that: drive end (6) plug-in mounting of described grinding rod main body to be entered in described driving pulling sleeve (9) and is connected with described driving pulling sleeve (9) by finger (7), described driving pulling sleeve (9) internal vertical offsets in the plane of pivot and described ball (8).
7. multistage grinding rod according to claim 6, is characterized in that: the drive end (6) of described grinding rod main body is provided with technique apical pore, and described ball (8) is namely contained in described technique apical pore.
8. multistage grinding rod according to claim 6, is characterized in that: leave gap between the sidewall of described driving pulling sleeve (9) and grinding rod main body.
9. multistage grinding rod according to claim 2, it is characterized in that: be provided with one section of light face section (5) between the drive end (6) of described grinding rod main body and three grades of ground section (4), described light face section (5) diameter is less than the lappingout size of workpiece to be processed endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468081.8A CN105397619A (en) | 2014-09-15 | 2014-09-15 | Multi-stage grinding rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410468081.8A CN105397619A (en) | 2014-09-15 | 2014-09-15 | Multi-stage grinding rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105397619A true CN105397619A (en) | 2016-03-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410468081.8A Pending CN105397619A (en) | 2014-09-15 | 2014-09-15 | Multi-stage grinding rod |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0852631A (en) * | 1994-08-12 | 1996-02-27 | Nippon Seiko Kk | Machine tool |
| CN2387169Y (en) * | 1999-07-14 | 2000-07-12 | 包国臣 | Dead hole bearing hollow bricks |
| CN2736060Y (en) * | 2004-06-14 | 2005-10-26 | 横店集团东磁有限公司 | Novel grinding stick |
| CN1935430A (en) * | 2006-10-17 | 2007-03-28 | 大连理工大学 | Drilling/grinding integrated combined tool |
| CN102528589A (en) * | 2012-02-10 | 2012-07-04 | 长治液压有限公司 | Grinding process method of pump body valve hole of steering pump |
| CN202640119U (en) * | 2012-06-20 | 2013-01-02 | 浙江三和机电科技有限公司 | Connecting rod for honing device |
| CN103817587A (en) * | 2014-02-28 | 2014-05-28 | 洛阳东方动力机械有限公司 | Cutter for grinding valve opening of hydraulic part |
| CN204075995U (en) * | 2014-09-15 | 2015-01-07 | 凤城太平洋神龙增压器有限公司 | Multistage grinding rod |
-
2014
- 2014-09-15 CN CN201410468081.8A patent/CN105397619A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0852631A (en) * | 1994-08-12 | 1996-02-27 | Nippon Seiko Kk | Machine tool |
| CN2387169Y (en) * | 1999-07-14 | 2000-07-12 | 包国臣 | Dead hole bearing hollow bricks |
| CN2736060Y (en) * | 2004-06-14 | 2005-10-26 | 横店集团东磁有限公司 | Novel grinding stick |
| CN1935430A (en) * | 2006-10-17 | 2007-03-28 | 大连理工大学 | Drilling/grinding integrated combined tool |
| CN102528589A (en) * | 2012-02-10 | 2012-07-04 | 长治液压有限公司 | Grinding process method of pump body valve hole of steering pump |
| CN202640119U (en) * | 2012-06-20 | 2013-01-02 | 浙江三和机电科技有限公司 | Connecting rod for honing device |
| CN103817587A (en) * | 2014-02-28 | 2014-05-28 | 洛阳东方动力机械有限公司 | Cutter for grinding valve opening of hydraulic part |
| CN204075995U (en) * | 2014-09-15 | 2015-01-07 | 凤城太平洋神龙增压器有限公司 | Multistage grinding rod |
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Application publication date: 20160316 |
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