CN103056588B - Cooling water pump of diesel engine fixed cover finishing of internal diameter frock and method for fine finishing thereof - Google Patents
Cooling water pump of diesel engine fixed cover finishing of internal diameter frock and method for fine finishing thereof Download PDFInfo
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- CN103056588B CN103056588B CN201310001601.XA CN201310001601A CN103056588B CN 103056588 B CN103056588 B CN 103056588B CN 201310001601 A CN201310001601 A CN 201310001601A CN 103056588 B CN103056588 B CN 103056588B
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- endoporus
- diesel engine
- cooling water
- water pump
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- 239000000498 cooling water Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 9
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses cooling water pump of diesel engine fixed cover finishing of internal diameter frock and method for fine finishing thereof, comprise base plate, be fixed on the cylindrical socket on base plate, described bearing axle center place is provided with circular notch A, during use, workpiece is positioned over holder top, and the round bump of workpiece stretches into circular notch A, is placed with casing above workpiece, the manhole that described depression bar is established through casing axis place, depression bar lower end connects with the reaming ball above the endoporus of workpiece.When carrying out the fine finishining of cooling water pump of diesel engine fixed cover endoporus with the present invention, after workpiece is fixing by frock, lower moulded rod, by the endoporus of reaming ball through workpiece.From said process, carry out the fine finishining of cooling water pump of diesel engine fixed cover endoporus with the present invention, ensure that the machining accuracy of workpiece, reduce the inferior rate of product.
Description
Technical field
The present invention relates to machined field, be specifically related to a kind of cooling water pump of diesel engine fixed cover finishing of internal diameter frock and method for fine finishing thereof.
Background technology
Because diesel engine power is large, moment of torsion is large, economic performance is good, be widely used in engineering machinery and farm machinery.Diesel engine processing and manufacturing required precision is very high, and carry out diesel engine part by lathe at present, especially the processing of diesel pump fixed cover endoporus uniform internal diameter is carried out, machining accuracy does not often reach requirement, even if after lathe fine finishining, and error range or bigger than normal, cause the inferior rate of part higher, also cannot ensure the assembly precision in later stage, cause the damage of diesel engine and the minimizing in service life, even also can cause the accident.
Summary of the invention
The object of the invention is to: overcome the deficiencies in the prior art, a kind of cooling water pump of diesel engine fixed cover finishing of internal diameter frock and method for fine finishing thereof are provided, ensure that the precision of processing diesel engine cooling water pump fixed cover endoporus, also improve the production efficiency of enterprise simultaneously, reduce the production loss of enterprise.
The technical solution used in the present invention is:
Cooling water pump of diesel engine fixed cover finishing of internal diameter frock, comprise base plate, be fixed on the cylindrical socket on base plate, described bearing axle center place is provided with circular notch A, during use, workpiece is positioned over holder top, and the round bump of workpiece stretches into circular notch A, is placed with casing above workpiece, the manhole that described depression bar is established through casing axis place, depression bar lower end connects with the reaming ball above the endoporus of workpiece.
The further improvement project of the present invention is, described depression bar upper end is fixed with pressing plate.
The present invention further improvement project is, the equal diameters of described manhole internal diameter and depression bar, is all slightly less than the diameter of the endoporus of workpiece.
The present invention further improvement project is, the material of described reaming ball is high strength alloy steel.
The present invention further improvement project is, the diameter of described reaming ball is slightly larger than the diameter of bore of workpiece.
The present invention further improvement project is, the Lower Half of described bearing side is provided with the material taking hole be connected with circular notch A, the width of described material taking hole and be highly all greater than the diameter of reaming ball.
The present invention further improvement project is, the bottom surface coaxial line of casing is provided with circular notch B, and the internal diameter of described circular notch B equals the round bump diameter of workpiece, and the degree of depth of circular notch B is more than or equal to height and the reaming radius of a ball sum of round bump.
By above-mentioned frock, carry out the method for fine finishing of cooling water pump of diesel engine fixed cover endoporus, comprise the following steps:
1) endoporus of workpiece is by after lathe fine finishining, is placed on above bearing by workpiece, and is stretched into by the projection of surface of the work in the circular notch A of bearing;
2) reaming ball is placed on the endoporus upper end of workpiece, and cooperation places casing;
3) depression bar lower end contacts with reaming ball through manhole;
4) press down pressing plate, drive depression bar by reaming ball from top to bottom through endoporus;
5) by the material taking hole set by bearing, reaming ball is taken out, and take off depression bar, casing and workpiece successively;
6) repeat above step, carry out the finishing of internal diameter of next workpiece.
The present invention further improvement project is, in described step 4), is pressed down by pressing plate by punch press or hammering way.
Beneficial effect of the present invention is:
When carrying out the fine finishining of cooling water pump of diesel engine fixed cover endoporus with the present invention, after workpiece is fixing by frock, lower moulded rod, by the endoporus of reaming ball through workpiece.From said process, carry out the fine finishining of diesel pump fixed cover endoporus with the present invention, ensure that the machining accuracy of workpiece, reduce the inferior rate of product.
Accompanying drawing explanation
Fig. 1 is that the present invention is main depending on partly cuing open schematic diagram.
Fig. 2 is that schematic diagram is looked on the right side of the present invention.
Detailed description of the invention
Shown in composition graphs 1 and Fig. 2, the present invention includes base plate 1, be fixed on the cylindrical socket 2 on base plate 1, described bearing 2 axle center place is provided with circular notch A7, during use, workpiece 6 is positioned over bearing 2 top, and the round bump of workpiece 6 stretches into circular notch A7, is placed with casing 4 above workpiece 6, the manhole 9 that depression bar 5 is established through casing 4 axis place, depression bar 5 lower end connects with the reaming ball 3 above the endoporus 12 of workpiece 6; The material of described reaming ball 3 is high strength alloy steel; The diameter of described reaming ball 3 is slightly larger than endoporus 12 diameter of workpiece 6; The equal diameters of described manhole 9 internal diameter and depression bar 5, is all slightly less than the diameter of the endoporus 12 of workpiece 6; The bottom surface coaxial line of casing 4 is provided with circular notch 10, and the internal diameter of described circular notch 10 equals the round bump diameter of workpiece 6, and the degree of depth of circular notch 10 is more than or equal to height and the reaming ball 3 radius sum of round bump; The Lower Half of described bearing 2 side is provided with the material taking hole 8 be connected with circular notch A7, the width of described material taking hole 8 and be highly all greater than the diameter of reaming ball 3; Described depression bar 5 upper end is fixed with pressing plate 11.
Carry out the method for fine finishing of cooling water pump of diesel engine fixed cover endoporus with such as the present invention, comprise the following steps: workpiece 6, by after lathe fine finishining, is placed on above bearing 2, and is stretched into by projection in circular notch A7 by the endoporus 12 of workpiece 6; Then reaming ball 3 is placed on endoporus 12 upper end, and cooperation places casing 4; Depression bar 5 lower end contacts with reaming ball 3 through manhole 9; Then by punch press or hammering way, the pressing plate 11 of depression bar 5 upper end is carried out pressing down (in the implementation case, adopting impact style to press down), drive depression bar 5 by reaming ball 3 from top to bottom through endoporus 12; Afterwards, by the material taking hole 8 set by bearing 2, reaming ball 3 is taken out, and take off depression bar 5, casing 4 and workpiece 6 successively; Repeat above step, carry out endoporus 12 fine finishining of next workpiece 6.
Claims (6)
1. cooling water pump of diesel engine fixed cover finishing of internal diameter frock, it is characterized in that: comprise base plate (1), be fixed on the cylindrical socket (2) on base plate (1), described bearing (2) axle center place is provided with circular notch A(7), during use, workpiece (6) is positioned over bearing (2) top, the round bump of workpiece (6) stretches into circular notch A(7), workpiece (6) top is placed with casing (4), the manhole (9) that depression bar (5) is established through casing (4) axis place, depression bar (5) lower end connects with the reaming ball (3) of endoporus (12) top of workpiece (6), the Lower Half of described bearing (2) side is provided with and circular notch A(7) material taking hole (8) that is connected, the width of described material taking hole (8) and be highly all greater than the diameter of reaming ball (3), the equal diameters of described manhole (9) internal diameter and depression bar (5), is all slightly less than the diameter of the endoporus (12) set by round bump of workpiece (6), the bottom surface coaxial line of casing (4) is provided with circular notch B(10), described circular notch B(10) internal diameter equal the round bump diameter of workpiece (6), circular notch B(10) the degree of depth be more than or equal to height and reaming ball (3) the radius sum of round bump.
2. cooling water pump of diesel engine fixed cover finishing of internal diameter frock as claimed in claim 1, is characterized in that: described depression bar (5) upper end is fixed with pressing plate (11).
3. cooling water pump of diesel engine fixed cover finishing of internal diameter frock as claimed in claim 1, is characterized in that: the material of described reaming ball (3) is high strength alloy steel.
4. cooling water pump of diesel engine fixed cover finishing of internal diameter frock as claimed in claim 1, is characterized in that: the diameter of described reaming ball (3) is slightly larger than endoporus (12) diameter of workpiece (6).
5. use as the frock of claim 1 ~ 4 wherein as described in any one, carry out the method for fine finishing of cooling water pump of diesel engine fixed cover endoporus, it is characterized in that comprising the following steps:
1) endoporus (12) of workpiece (6) is by after lathe fine finishining, workpiece (6) is placed on bearing (2) top, and projection is stretched into the circular notch A(7 of bearing (2)) in;
2) reaming ball (3) is placed on endoporus (12) upper end, and cooperation places casing (4);
3) depression bar (5) lower end contacts with reaming ball (3) through manhole (9);
4) press down pressing plate (11), drive depression bar (5) by reaming ball (3) from top to bottom through endoporus (12);
5) by the material taking hole (8) set by bearing (2), reaming ball (3) is taken out, and take off depression bar (5), casing (4) and workpiece (6) successively;
6) repeat above step, carry out endoporus (12) fine finishining of next workpiece (6).
6. the method for fine finishing carrying out cooling water pump of diesel engine fixed cover endoporus by cooling water pump of diesel engine fixed cover finishing of internal diameter frock as claimed in claim 5, it is characterized in that: in described step 4), by punch press or hammering way, pressing plate (11) is pressed down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310001601.XA CN103056588B (en) | 2013-01-04 | 2013-01-04 | Cooling water pump of diesel engine fixed cover finishing of internal diameter frock and method for fine finishing thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310001601.XA CN103056588B (en) | 2013-01-04 | 2013-01-04 | Cooling water pump of diesel engine fixed cover finishing of internal diameter frock and method for fine finishing thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103056588A CN103056588A (en) | 2013-04-24 |
| CN103056588B true CN103056588B (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310001601.XA Expired - Fee Related CN103056588B (en) | 2013-01-04 | 2013-01-04 | Cooling water pump of diesel engine fixed cover finishing of internal diameter frock and method for fine finishing thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN103056588B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141732B (en) * | 2016-07-29 | 2018-03-02 | 中国航空工业集团公司西安飞行自动控制研究所 | A kind of clamping and positioner for the fine finished machined of steel ball seat |
| CN112077791B (en) * | 2020-08-28 | 2022-09-06 | 中国航空工业集团公司西安飞行自动控制研究所 | Device and method for controlling assembly precision of tiny precise component |
| CN114918757B (en) * | 2022-05-28 | 2023-08-29 | 慈溪汇丽机电股份有限公司 | Repairing method for high-precision hole |
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|---|---|---|---|---|
| US5339523A (en) * | 1991-05-24 | 1994-08-23 | Matsushita Electric Industrial Co., Ltd. | Method of machining sleeve bearing |
| US5524464A (en) * | 1993-09-30 | 1996-06-11 | Matsushita Electric Industrial Co., Ltd. | Workpiece-bore processing apparatus and method |
| US5797303A (en) * | 1995-07-14 | 1998-08-25 | Matsushita Electric Industrial Co., Ltd. | Sleeve bore machining apparatus and sleeve bore machining method |
| CN2491173Y (en) * | 2001-07-24 | 2002-05-15 | 山东汇金股份有限公司 | Processing equipment for increasing inner hole precision of parts |
| CN201511052U (en) * | 2009-03-05 | 2010-06-23 | 芜湖三联锻造有限公司 | Hole extrusion mould for deep hole forged piece with small diameter |
| CN201736462U (en) * | 2010-05-31 | 2011-02-09 | 马鞍山市辰兴机械制造有限公司 | Thick turret-type stamping mould |
| CN102389907A (en) * | 2011-11-18 | 2012-03-28 | 许晓华 | Hole extruding device for steel balls |
| CN202639743U (en) * | 2012-07-16 | 2013-01-02 | 泰州市宏祥动力机械有限公司 | Device for precisely machining inner hole by utilizing steel ball |
| CN202985005U (en) * | 2013-01-04 | 2013-06-12 | 宿迁市波尔特机械制造有限公司 | Finish machining tool for inner bore of fixing sleeve of cooling water pump of diesel engine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56119368A (en) * | 1980-02-16 | 1981-09-18 | Daido Kogyo Co Ltd | Burnishing machine |
| JPH06320418A (en) * | 1993-05-11 | 1994-11-22 | Fuji Electric Co Ltd | Hole finishing machine with carbide balls |
| JP2003205456A (en) * | 2002-01-09 | 2003-07-22 | Matsushita Electric Ind Co Ltd | Bore machining method and ball burnishing device |
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2013
- 2013-01-04 CN CN201310001601.XA patent/CN103056588B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5339523A (en) * | 1991-05-24 | 1994-08-23 | Matsushita Electric Industrial Co., Ltd. | Method of machining sleeve bearing |
| US5524464A (en) * | 1993-09-30 | 1996-06-11 | Matsushita Electric Industrial Co., Ltd. | Workpiece-bore processing apparatus and method |
| US5797303A (en) * | 1995-07-14 | 1998-08-25 | Matsushita Electric Industrial Co., Ltd. | Sleeve bore machining apparatus and sleeve bore machining method |
| CN2491173Y (en) * | 2001-07-24 | 2002-05-15 | 山东汇金股份有限公司 | Processing equipment for increasing inner hole precision of parts |
| CN201511052U (en) * | 2009-03-05 | 2010-06-23 | 芜湖三联锻造有限公司 | Hole extrusion mould for deep hole forged piece with small diameter |
| CN201736462U (en) * | 2010-05-31 | 2011-02-09 | 马鞍山市辰兴机械制造有限公司 | Thick turret-type stamping mould |
| CN102389907A (en) * | 2011-11-18 | 2012-03-28 | 许晓华 | Hole extruding device for steel balls |
| CN202639743U (en) * | 2012-07-16 | 2013-01-02 | 泰州市宏祥动力机械有限公司 | Device for precisely machining inner hole by utilizing steel ball |
| CN202985005U (en) * | 2013-01-04 | 2013-06-12 | 宿迁市波尔特机械制造有限公司 | Finish machining tool for inner bore of fixing sleeve of cooling water pump of diesel engine |
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| CN103056588A (en) | 2013-04-24 |
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Granted publication date: 20151111 Termination date: 20160104 |
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