CN104400617A - High-precision long hole directional lapping tool and grinding method - Google Patents
High-precision long hole directional lapping tool and grinding method Download PDFInfo
- Publication number
- CN104400617A CN104400617A CN201410582852.6A CN201410582852A CN104400617A CN 104400617 A CN104400617 A CN 104400617A CN 201410582852 A CN201410582852 A CN 201410582852A CN 104400617 A CN104400617 A CN 104400617A
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- plug
- grinding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/02—Lapping machines or devices; Accessories designed for working surfaces of revolution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a high-precision long hole directional lapping tool. The high-precision long hole directional lapping tool comprises a core rod, an open grinding sleeve, a front and back top plug, a screw, a lapping compound, a front and back limiting check ring and a stop screw, wherein the core rod is in matched connection with the open grinding sleeve in a 1:50 cone; the screw is rotated to drive the front and back top plug to extrude the lapping compound, and the lapping compound overflows through an overflow hole in the core rod; the front and back limiting check ring is in sliding fit with the core rod, is fixed to the core rod through the stop screw and is used for adjusting the positions of the overflow holes in the core rod and a workpiece. The invention also provides a grinding method for the high-precision long hole directional lapping tool. The grinding method comprises the following steps of rotating the screw to drive the front and back top plug to extrude the lapping compound, and ensuring that the lapping compound overflows through the overflow hole in the core rod to fill a gap between the lapping tool and the workpiece. The lapping tool and the grinding method have the advantages that the problem of cylindricity variation in jig bush manufacture is solved, the machining quality of grinding inner holes of long bushes is improved, and the lapping tool and the grinding method are applied to grinding of inner cylindrical surfaces of jig bushes, bushes and air cylinders.
Description
Technical field
The present invention relates to the milling apparatus field of inner cylinder face, particularly a kind of high accuracy elongated hole directive property lappingout lap tool.
Background technology
Drill bushing, lining are widely used in field of machining.Current fine finishining drill bushing endoporus method mainly contains interior mill, honing, grinding etc., wherein grinding is widely used in the processing of high accuracy drill bushing endoporus, be generally hand lapping, during the grinding of Conventional tunable formula lap tool, operator manual by grinding agent uniform application on lap tool, after loading workpiece, often workpiece import grinding agent is piled up more, centre grinding agent is less, entrance point borehole enlargement can be made after causing grinding, problems is there is equally when changing direction tune grinding, especially L/D ratio be greater than 5 drill press socket off-gage phenomenon more outstanding, and Conventional tunable formula lap tool can not carry out reparation grinding to overproof part.
Summary of the invention
The object of the invention is to solve in long inner cylinder face process of lapping, grinding agent skewness is often piled up in drill bushing two ends, causes the overproof problem of inner circle cylindricity; The present invention simultaneously can carry out local correction for overproof position, and reduce the percent defective of inner cylinder face class part, spy provides a kind of high accuracy elongated hole directive property lappingout lap tool.
The invention provides a kind of high accuracy elongated hole directive property lappingout lap tool, it is characterized in that: described high accuracy elongated hole directive property lappingout lap tool, comprises plug 1, opening grinding sleeve 2, forward and backward top plug 3, screw 4, grinding agent 5, forward and backward spacing back-up ring 6, limit screw 7;
Wherein: plug 1 is connected with 1:50 taper fit with opening grinding sleeve 2; Opening grinding sleeve 2 is by trace expansion increasing external diameter under the extruding of plug 1;
Forward and backward top plug 3 and plug 1 are slidably matched, and screw 4 is threaded with plug 1; Drive forward and backward top plug 3 crush and grind agent 5 by rotary screw 4, grinding agent 5 is overflowed by overfolw hole on plug 1;
With the blanking annular groove that 3-4mm is wide on opening grinding sleeve 2, unnecessary grinding agent 5 is stored in blanking annular groove, avoids other position to grind;
Forward and backward spacing back-up ring 6 is slidably matched with plug 1, and forward and backward spacing back-up ring 6 is fixed, for adjusting overfolw hole and the location of workpiece on plug 1 by limit screw 7 and plug 1.
A Ginding process for high accuracy elongated hole directive property lappingout lap tool, is characterized in that: the Ginding process of described high accuracy elongated hole directive property lappingout lap tool is:
Adjust forward and backward spacing back-up ring 6 position, make overfolw hole on plug 1 be positioned at the overproof position of part.Equal length activity is stayed in front and back;
Rotate rotary screw 4 and drive forward and backward top plug 3 crush and grind agent 5, grinding agent 5 is overflowed by overfolw hole on plug 1 fills gap between lap tool and workpiece;
Extruding plug 1 makes the expansion of opening grinding sleeve 2 trace fit further with grinding agent 5 and workpiece; Rotational workpieces, movable lap tool carries out directive property grinding.
Change traditional grinding agent addition manner and position, overflowed by crush and grind agent by the middle part of plug, directive property grind and revise, to inner cylinder face height point position to be ground, is carried out in adjustment grinding agent overfolw hole position.
Advantage of the present invention:
High accuracy elongated hole directive property lappingout lap tool of the present invention and Ginding process, solve the overproof problem of cylindricity in drill bushing manufacture, improve the crudy of long bushing endoporus grinding, and this type of drill press socket grinding percent defective is reduced to 35% by original 60%.Replace Conventional tunable examination lap tool, be applied to the grinding of the inner cylinder faces such as drill bushing, lining, cylinder.Be applicable to pure craft and the manual inner cylinder face grinding of machinery cooperation.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the present invention is further detailed explanation:
Fig. 1 is high accuracy elongated hole directive property lappingout lap tool schematic diagram;
Fig. 2 is grinding schematic diagram.
Detailed description of the invention
Embodiment 1
Present embodiments provide a kind of high accuracy elongated hole directive property lappingout lap tool, it is characterized in that: described high accuracy elongated hole directive property lappingout lap tool, comprises plug 1, opening grinding sleeve 2, forward and backward top plug 3, screw 4, grinding agent 5, forward and backward spacing back-up ring 6, limit screw 7;
Wherein: plug 1 is connected with 1:50 taper fit with opening grinding sleeve 2; Opening grinding sleeve 2 is by trace expansion increasing external diameter under the extruding of plug 1;
Forward and backward top plug 3 and plug 1 are slidably matched, and screw 4 is threaded with plug 1; Drive forward and backward top plug 3 crush and grind agent 5 by rotary screw 4, grinding agent 5 is overflowed by overfolw hole on plug 1;
With the blanking annular groove that 3mm is wide on opening grinding sleeve 2, unnecessary grinding agent 5 is stored in blanking annular groove, avoids other position to grind;
Forward and backward spacing back-up ring 6 is slidably matched with plug 1, and forward and backward spacing back-up ring 6 is fixed, for adjusting overfolw hole and the location of workpiece on plug 1 by limit screw 7 and plug 1.
A Ginding process for high accuracy elongated hole directive property lappingout lap tool, is characterized in that: the Ginding process of described high accuracy elongated hole directive property lappingout lap tool is:
Adjust forward and backward spacing back-up ring 6 position, make overfolw hole on plug 1 be positioned at the overproof position of part.Equal length activity is stayed in front and back;
Rotate rotary screw 4 and drive forward and backward top plug 3 crush and grind agent 5, grinding agent 5 is overflowed by overfolw hole on plug 1 fills gap between lap tool and workpiece;
Extruding plug 1 makes the expansion of opening grinding sleeve 2 trace fit further with grinding agent 5 and workpiece; Rotational workpieces, movable lap tool carries out directive property grinding.
Change traditional grinding agent addition manner and position, overflowed by crush and grind agent by the middle part of plug, directive property grind and revise, to inner cylinder face height point position to be ground, is carried out in adjustment grinding agent overfolw hole position.
Embodiment 1
Present embodiments provide a kind of high accuracy elongated hole directive property lappingout lap tool, it is characterized in that: described high accuracy elongated hole directive property lappingout lap tool, comprises plug 1, opening grinding sleeve 2, forward and backward top plug 3, screw 4, grinding agent 5, forward and backward spacing back-up ring 6, limit screw 7;
Wherein: plug 1 is connected with 1:50 taper fit with opening grinding sleeve 2; Opening grinding sleeve 2 is by trace expansion increasing external diameter under the extruding of plug 1;
Forward and backward top plug 3 and plug 1 are slidably matched, and screw 4 is threaded with plug 1; Drive forward and backward top plug 3 crush and grind agent 5 by rotary screw 4, grinding agent 5 is overflowed by overfolw hole on plug 1;
With the blanking annular groove that 4mm is wide on opening grinding sleeve 2, unnecessary grinding agent 5 is stored in blanking annular groove, avoids other position to grind;
Forward and backward spacing back-up ring 6 is slidably matched with plug 1, and forward and backward spacing back-up ring 6 is fixed, for adjusting overfolw hole and the location of workpiece on plug 1 by limit screw 7 and plug 1.
A Ginding process for high accuracy elongated hole directive property lappingout lap tool, is characterized in that: the Ginding process of described high accuracy elongated hole directive property lappingout lap tool is:
Adjust forward and backward spacing back-up ring 6 position, make overfolw hole on plug 1 be positioned at the overproof position of part.Equal length activity is stayed in front and back;
Rotate rotary screw 4 and drive forward and backward top plug 3 crush and grind agent 5, grinding agent 5 is overflowed by overfolw hole on plug 1 fills gap between lap tool and workpiece;
Extruding plug 1 makes the expansion of opening grinding sleeve 2 trace fit further with grinding agent 5 and workpiece; Rotational workpieces, movable lap tool carries out directive property grinding.
Change traditional grinding agent addition manner and position, overflowed by crush and grind agent by the middle part of plug, directive property grind and revise, to inner cylinder face height point position to be ground, is carried out in adjustment grinding agent overfolw hole position.
Claims (2)
1. a high accuracy elongated hole directive property lappingout lap tool, it is characterized in that: described high accuracy elongated hole directive property lappingout lap tool, comprise plug (1), opening grinding sleeve (2), forward and backward top plug (3), screw (4), grinding agent (5), forward and backward spacing back-up ring (6), limit screw (7);
Wherein: plug (1) is connected with 1:50 taper fit with opening grinding sleeve (2); Opening grinding sleeve (2) is by trace expansion increasing external diameter under the extruding of plug (1);
Forward and backward top plug (3) and plug (1) are slidably matched, and screw (4) is threaded with plug (1); Drive forward and backward top to fill in (3) crush and grind agent (5) by rotary screw (4), grinding agent (5) is overflowed by the upper overfolw hole of plug (1);
With the blanking annular groove that 3-4mm is wide on opening grinding sleeve (2), unnecessary grinding agent (5) is stored in blanking annular groove, avoids other position to grind;
Forward and backward spacing back-up ring (6) and plug (1) are slidably matched, forward and backward spacing back-up ring (6) is fixed by limit screw (7) and plug (1), for adjusting the upper overfolw hole of plug (1) and the location of workpiece.
2. a Ginding process for high accuracy elongated hole directive property lappingout lap tool according to claim 1, is characterized in that: the Ginding process of described high accuracy elongated hole directive property lappingout lap tool is:
Adjust forward and backward spacing back-up ring (6) position, make the upper overfolw hole of plug (1) be positioned at the overproof position of part; Equal length activity is stayed in front and back;
Rotating rotary screw (4) drives forward and backward top to fill in (3) crush and grind agent (5), and grinding agent (5) is overflowed by the upper overfolw hole of plug (1) fills gap between lap tool and workpiece;
Extruding plug (1) makes the expansion of opening grinding sleeve (2) trace fit further with grinding agent (5) and workpiece; Rotational workpieces, movable lap tool carries out directive property grinding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410582852.6A CN104400617B (en) | 2014-10-27 | 2014-10-27 | A kind of high-precision elongated hole directive property lappingout lap tool and Ginding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410582852.6A CN104400617B (en) | 2014-10-27 | 2014-10-27 | A kind of high-precision elongated hole directive property lappingout lap tool and Ginding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104400617A true CN104400617A (en) | 2015-03-11 |
| CN104400617B CN104400617B (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410582852.6A Expired - Fee Related CN104400617B (en) | 2014-10-27 | 2014-10-27 | A kind of high-precision elongated hole directive property lappingout lap tool and Ginding process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171630A (en) * | 2015-10-09 | 2015-12-23 | 孔远萍 | Adjustable grinding rod |
| CN105563316A (en) * | 2015-12-15 | 2016-05-11 | 贵州凯星液力传动机械有限公司 | Processing device for great-length-to-diameter-ratio deep hole control valve |
| CN112873039A (en) * | 2021-02-05 | 2021-06-01 | 中国科学院苏州生物医学工程技术研究所 | Repairing and grinding tool and repairing and grinding method for semi-cylindrical surface workpiece |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD257408A1 (en) * | 1987-01-30 | 1988-06-15 | Zeiss Jena Veb Carl | TOOL FOR INTERIOR FINISHING OF HOLES, PREFERABLY IN OPTICAL GLASS |
| JP2008229730A (en) * | 2007-03-16 | 2008-10-02 | Ricoh Co Ltd | Surface treatment device |
| CN101549475A (en) * | 2009-04-22 | 2009-10-07 | 苏州信能精密机械有限公司 | Novel automatic oil spout type honing rod |
| CN103506933A (en) * | 2012-06-25 | 2014-01-15 | 姜堰市恒久转向器厂 | Adjustable grinding device |
| CN203712483U (en) * | 2014-01-16 | 2014-07-16 | 宁波宁创自动化设备有限公司 | Precision spindle structure of ceramic ferrule bore grinding machine |
-
2014
- 2014-10-27 CN CN201410582852.6A patent/CN104400617B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD257408A1 (en) * | 1987-01-30 | 1988-06-15 | Zeiss Jena Veb Carl | TOOL FOR INTERIOR FINISHING OF HOLES, PREFERABLY IN OPTICAL GLASS |
| JP2008229730A (en) * | 2007-03-16 | 2008-10-02 | Ricoh Co Ltd | Surface treatment device |
| CN101549475A (en) * | 2009-04-22 | 2009-10-07 | 苏州信能精密机械有限公司 | Novel automatic oil spout type honing rod |
| CN103506933A (en) * | 2012-06-25 | 2014-01-15 | 姜堰市恒久转向器厂 | Adjustable grinding device |
| CN203712483U (en) * | 2014-01-16 | 2014-07-16 | 宁波宁创自动化设备有限公司 | Precision spindle structure of ceramic ferrule bore grinding machine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171630A (en) * | 2015-10-09 | 2015-12-23 | 孔远萍 | Adjustable grinding rod |
| CN105563316A (en) * | 2015-12-15 | 2016-05-11 | 贵州凯星液力传动机械有限公司 | Processing device for great-length-to-diameter-ratio deep hole control valve |
| CN112873039A (en) * | 2021-02-05 | 2021-06-01 | 中国科学院苏州生物医学工程技术研究所 | Repairing and grinding tool and repairing and grinding method for semi-cylindrical surface workpiece |
| CN112873039B (en) * | 2021-02-05 | 2022-03-08 | 中国科学院苏州生物医学工程技术研究所 | Repairing and grinding tool and repairing and grinding method for semi-cylindrical surface workpiece |
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| Publication number | Publication date |
|---|---|
| CN104400617B (en) | 2017-08-04 |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170804 Termination date: 20201027 |