CN102806387A - Broach for processing positive displacement motor drill stator with equal wall thickness - Google Patents
Broach for processing positive displacement motor drill stator with equal wall thickness Download PDFInfo
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- CN102806387A CN102806387A CN2012102901338A CN201210290133A CN102806387A CN 102806387 A CN102806387 A CN 102806387A CN 2012102901338 A CN2012102901338 A CN 2012102901338A CN 201210290133 A CN201210290133 A CN 201210290133A CN 102806387 A CN102806387 A CN 102806387A
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- nut
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- fairlead
- wall thickness
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Abstract
The invention belongs to the technical field of a broaching machine, and particularly relates to a broach for processing a positive displacement motor drill stator with an equal wall thickness. The broach provided by the invention comprises a main body, a rear guide sleeve, a rear locking nut, a middle guide sleeve, a middle locking nut, a rear connection nut, a rear connection key, a middle connection nut, a middle connection key and a shaping tool apron, wherein the rear guide sleeve, the rear locking nut, the middle guide sleeve, the middle locking nut, the rear connection nut, the rear connection key, the middle connection nut, the middle connection key and the shaping tool apron are connected onto the main body; a core and a rectangular knife apron are also connected onto the main body in a sliding way; and a front guide sleeve, a front connection key, a hold-down sleeve, a pressure plate, a shaping knife and a special nut are connected onto the shaping knife apron. Through the broaching processes of the rectangular groove and the shaping groove, the positive displacement motor drill stator with the equal wall thickness is completely processed. The broach provided by the invention is high in processing precision; and in addition, the production rate can be improved greatly and the labor intensity can be decreased.
Description
Technical field
The invention belongs to broaching machine device technique field, be specifically related to a kind of broaching tool that is used for waiting the processing of wall thickness helicoid hydraulic motor stator.
Background technology
The rubber layer of conventional screw drilling tool stator is that direct pouring forms at the smooth inner wall of stator case, and the inner surface of rubber bushing is a spiral camber, and rubber layer lining became uneven causes the stator premature failure easily, has shortened the service life of helicoid hydraulic motor.In order to improve the service behaviour of helicoid hydraulic motor effectively; Further improve the drilling tool working life; The wall thickness helicoid hydraulic motor has appearred waiting, its stator case inwall this as helicla flute, therefore the rubber layer of casting is thin and evenly; Stator perfect heat-dissipating, the heat ageing that can slow down rubber have overcome the deficiency of conventional screw drilling tool.
But stator interior spiral fluted processing is a more complicated and the work of difficulty; Spiral fluted five equilibrium, flute profile size and surface roughness all have the higher requirement of ratio; The mode that use helicla flute broaching tool broaching layout that proposes in theory at present or milling combine with broaching all exists the structure of the cutter body complicacy to be difficult to make; And broaching tool of the present invention develops according to the deep hole spirally broaching mode of successful implementation; Not only productivity ratio is high, and can reduce labor intensity greatly, and the quality of helicoid hydraulic motor also can be guaranteed reliably.
Summary of the invention
For solution waits wall thickness helicoid hydraulic motor stator interior spiral fluted broaching problem, the present invention provides a kind of broaching tool that is used for waiting the processing of wall thickness helicoid hydraulic motor stator.
The broaching tool that is used for waiting wall thickness helicoid hydraulic motor stator to process of the present invention comprises:
Body is used for whole broaching tool is provided support.
Be connected with back fairlead, back locking nut, middle fairlead, middle locking nut, back attaching nut, back connecting key, middle attaching nut, middle connecting key, shaping tool rest on the said body; Wherein: middle fairlead is used for guided bearing with the back fairlead; Back locking nut is used for fixing the back fairlead; Middle locking nut is used for fixing middle fairlead; Back attaching nut, middle attaching nut are used to transmit pulling force, and back connecting key, middle connecting key are used to transmit moment of torsion, and the shaping tool rest is used for providing support in forming tank broaching process;
Said body also slidely connects fuse, rectangle tool rest; Wherein: fuse is provided with the inclined-plane, and the inclined-plane tapering is 1:10 or 1:5; Inclined-plane on rectangle tool rest and the fuse is slidingly connected, and is used for converting axial feed into radial feed in rectangular channel broaching process.
Be connected with wedge-shaped bar, rectangle cutter on the said rectangle tool rest; Wherein: wedge-shaped bar is used for fixing the rectangle cutter, and the rectangle cutter is made up of difference cutting tread and the high blade of sword, is used to control the rectangular channel cutting width and the degree of depth.
Be connected with preceding fairlead, preceding connecting key, clamping sleeve, pressing plate, forming-tool, specialized nut on the said shaping tool rest; Wherein: leadingly be used for guided bearing to cover, preceding connecting key is used to transmit moment of torsion, and clamping sleeve, pressing plate, specialized nut are used for bearing pulling force in forming tank broaching process, and forming-tool itself is made up of many groups cutter hub and blade, is used to control the grooving size.
The broaching tool that is used for waiting the processing of wall thickness helicoid hydraulic motor stator of the present invention has adapted to the demand that waits the broaching of wall thickness helicoid hydraulic motor stator preferably.Through test and application verification, of the present inventionly be used for waiting the broaching tool of wall thickness helicoid hydraulic motor stator processing not only to satisfy the requirement of spiral fluted five equilibrium, flute profile size and surface roughness, and improved productivity ratio, reduce labor intensity greatly.
Description of drawings
Fig. 1 is the structural representation that is used for the broaching tool of processing such as stator such as helicoid hydraulic motor such as wall thickness such as grade of the present invention;
Among the figure, 1. connecting key 20. forming-tools before fairlead 16. clamping sleeves 17. pressing plates 18. specialized nuts 19. before attaching nut's 14. shaping tool rests 15. in the connecting key 13. in the locking nut 9. rectangle tool rests 10. wedge-shaped bar 11. rectangle cuttves 12. in the fairlead 8. among the body 2. fuses 3. back fairleads 4. back locking nuts 5. back connecting keys 6. back attaching nuts 7..
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is described further.
The present invention is used for waiting the broaching tool of wall thickness helicoid hydraulic motor stator processing, comprising:
Be connected with back fairlead 3, back locking nut 4, middle fairlead 7, middle locking nut 8, back attaching nut 6, back connecting key 5, middle attaching nut 13, middle connecting key 12, shaping tool rest 14 on the said body 1; Wherein: middle fairlead 7 is used for guided bearing with back fairlead 3; Back locking nut 4 is used for fixing back fairlead 3; Fairlead 7 during middle locking nut 8 is used for fixing; Back attaching nut 6, middle attaching nut 13 are used to transmit pulling force, and back connecting key 5, middle connecting key 12 are used to transmit moment of torsion, and shaping tool rest 14 is used for providing support in forming tank broaching process;
Be connected with wedge-shaped bar 10, rectangle cutter 11 on the said rectangle tool rest 9; Wherein: wedge-shaped bar 10 is used for fixing rectangle cutter 11; Rectangle cutter 11 is made up of difference cutting tread and the high blade of sword, is used to control the rectangular channel cutting width and the degree of depth.
Fairlead 15, preceding connecting key 19, clamping sleeve 15, pressing plate 17, forming-tool 20, specialized nut 18 before being connected with on the said shaping tool rest 14; Wherein: preceding fairlead 15 is used for guided bearing; Preceding connecting key 19 is used to transmit moment of torsion; Clamping sleeve 15, pressing plate 17, specialized nut 18 are used for bearing pulling force in forming tank broaching process, and forming-tool 20 is made up of many groups cutter hub and blade itself, is used to control the grooving size.
The present invention is used for waiting the course of work of broaching tool of wall thickness helicoid hydraulic motor stator processing following:
In rectangular channel broaching process, fuse 2 is done radial motion through pushed rectangle tool rest 9, thereby and drive wedge-shaped bar 10, rectangle cutter 11 motion control cutting depth, through the different size blade control rectangular channel cutting width of rectangle cutter 11;
In grooving broaching process, shaping tool rest 14 is connected with said body 1, compresses forming-tool 20 by clamping sleeve 16, pressing plate 17, specialized nut 18, through the different size blade control grooving size of said forming-tool 20.
The present invention is used for waiting the broaching tool of wall thickness helicoid hydraulic motor stator processing to have following characteristics:
Helicla flute five equilibrium Deng wall thickness helicoid hydraulic motor stator is easy to guarantee, can realize the arbitrary indexing of single head and bull; Rationally divide technological process, the broaching process is more steady, and working (machining) efficiency is higher; Broaching stable accuracy and height, surface roughness is high; The broaching of spiral fluted high-quality guarantees that rubber layer is thin and even, effectively improves drill tool life.
Embodiment according to the present invention announced can realize the present invention, but enforcement of the present invention is not limited only to above embodiment, as substituting broaching tool of the present invention to realize the present invention through other functionally similar broaching tools of employing.
Claims (4)
1. one kind is used for the broaching tool that stator such as helicoid hydraulic motor such as wall thickness such as grade is processed, and comprising:
Body (1) is used for whole broaching tool is provided support;
Be connected with back fairlead (3), back locking nut (4), middle fairlead (7), middle locking nut (8), back attaching nut (6), back connecting key (5), middle attaching nut (13), middle connecting key (12), shaping tool rest (14) on the said body (1); Wherein: middle fairlead (7) and back fairlead (3) are used for guided bearing; Back locking nut (4) is used for fixing back fairlead (3); Middle locking nut (8) is used for fixing middle fairlead (7); Back attaching nut (6), middle attaching nut (13) are used to transmit pulling force, and back connecting key (5), middle connecting key (12) are used to transmit moment of torsion, and shaping tool rest (14) is used for providing support in forming tank broaching process;
Said body (1) also slidely connects fuse (2), rectangle tool rest (9);
Be connected with wedge-shaped bar (10), rectangle cutter (11) on the said rectangle tool rest (9); Wherein: wedge-shaped bar (10) is used for fixing rectangle cutter (11);
Be connected with preceding fairlead (15), preceding connecting key (19), clamping sleeve (15), pressing plate (17), forming-tool (20), specialized nut (18) on the said shaping tool rest (14); Wherein: preceding fairlead (15) is used for guided bearing, and preceding connecting key (19) is used to transmit moment of torsion, and clamping sleeve (15), pressing plate (17), specialized nut (18) are used for bearing pulling force in forming tank broaching process.
2. the broaching tool that is used for waiting the processing of wall thickness helicoid hydraulic motor stator according to claim 1, it is characterized in that: said fuse (2) is provided with the inclined-plane, and the inclined-plane tapering is 1:10 or 1:5; Inclined-plane on said rectangle cutter (11) and the fuse (2) is slidingly connected, and is used for converting axial feed into radial feed in rectangular channel broaching process.
3. the broaching tool that is used for waiting the processing of wall thickness helicoid hydraulic motor stator according to claim 1 is characterized in that: said rectangle cutter (11) is made up of difference cutting tread and the high blade of sword, is used to control the rectangular channel cutting width and the degree of depth.
4. the broaching tool that is used for waiting the processing of wall thickness helicoid hydraulic motor stator according to claim 1, it is characterized in that: said forming-tool (14) is made up of many groups cutter hub and blade, is used to control the grooving size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102901338A CN102806387A (en) | 2012-08-16 | 2012-08-16 | Broach for processing positive displacement motor drill stator with equal wall thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102901338A CN102806387A (en) | 2012-08-16 | 2012-08-16 | Broach for processing positive displacement motor drill stator with equal wall thickness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102806387A true CN102806387A (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102901338A Pending CN102806387A (en) | 2012-08-16 | 2012-08-16 | Broach for processing positive displacement motor drill stator with equal wall thickness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102806387A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341665A (en) * | 2013-07-02 | 2013-10-09 | 四川省绵阳西南自动化研究所 | Broach for recoil piston rod variable cross-section groove machining |
| CN106312817A (en) * | 2016-09-28 | 2017-01-11 | 西安交通大学 | Feed control method for grinding wheel for cutting teeth of helical inner gear ring broach |
| CN107931714A (en) * | 2017-11-21 | 2018-04-20 | 中国兵器装备集团自动化研究所 | A kind of device for deep hole molded line groove processing |
Citations (10)
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|---|---|---|---|---|
| CN2114529U (en) * | 1991-10-23 | 1992-09-02 | 杜建民 | Combined scrapping out cutter |
| CN1072363A (en) * | 1991-11-19 | 1993-05-26 | 宋振才 | helical spline broach |
| US6408557B1 (en) * | 1999-09-16 | 2002-06-25 | Rheinmetall W & M Gmbh | Apparatus for producing rifling grooves in a weapon barrel |
| CN1277645C (en) * | 2001-08-02 | 2006-10-04 | 胡先龙 | Integral cylindrical gear external push broach |
| CN201333562Y (en) * | 2008-12-31 | 2009-10-28 | 哈尔滨第一工具制造有限公司 | Helical eccentric rectangular spline broaching tool |
| CN201342520Y (en) * | 2009-01-15 | 2009-11-11 | 许晓华 | Combined cutting tool used for keyseating |
| CN201361742Y (en) * | 2009-03-13 | 2009-12-16 | 株洲齿轮有限责任公司 | Big broach without chamfering sleeve |
| CN201446291U (en) * | 2009-07-31 | 2010-05-05 | 汉江工具有限责任公司 | Fabricating type major-diameter spline broach |
| JP2012045680A (en) * | 2010-08-27 | 2012-03-08 | Mitsubishi Materials Corp | Helical broach |
| CN202162450U (en) * | 2011-05-27 | 2012-03-14 | 成都发动机（集团）有限公司 | Extrusion broach |
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2012
- 2012-08-16 CN CN2012102901338A patent/CN102806387A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114529U (en) * | 1991-10-23 | 1992-09-02 | 杜建民 | Combined scrapping out cutter |
| CN1072363A (en) * | 1991-11-19 | 1993-05-26 | 宋振才 | helical spline broach |
| US6408557B1 (en) * | 1999-09-16 | 2002-06-25 | Rheinmetall W & M Gmbh | Apparatus for producing rifling grooves in a weapon barrel |
| CN1277645C (en) * | 2001-08-02 | 2006-10-04 | 胡先龙 | Integral cylindrical gear external push broach |
| CN201333562Y (en) * | 2008-12-31 | 2009-10-28 | 哈尔滨第一工具制造有限公司 | Helical eccentric rectangular spline broaching tool |
| CN201342520Y (en) * | 2009-01-15 | 2009-11-11 | 许晓华 | Combined cutting tool used for keyseating |
| CN201361742Y (en) * | 2009-03-13 | 2009-12-16 | 株洲齿轮有限责任公司 | Big broach without chamfering sleeve |
| CN201446291U (en) * | 2009-07-31 | 2010-05-05 | 汉江工具有限责任公司 | Fabricating type major-diameter spline broach |
| JP2012045680A (en) * | 2010-08-27 | 2012-03-08 | Mitsubishi Materials Corp | Helical broach |
| CN202162450U (en) * | 2011-05-27 | 2012-03-14 | 成都发动机（集团）有限公司 | Extrusion broach |
Non-Patent Citations (1)
| Title |
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| 邱亚玲等: "等壁厚螺杆钻具定子螺旋槽拉刀设计", 《石油矿场机械》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103341665A (en) * | 2013-07-02 | 2013-10-09 | 四川省绵阳西南自动化研究所 | Broach for recoil piston rod variable cross-section groove machining |
| CN103341665B (en) * | 2013-07-02 | 2016-04-06 | 四川省绵阳西南自动化研究所 | A kind of broaching tool for recoil piston rod variable cross-section slot machining |
| CN106312817A (en) * | 2016-09-28 | 2017-01-11 | 西安交通大学 | Feed control method for grinding wheel for cutting teeth of helical inner gear ring broach |
| CN107931714A (en) * | 2017-11-21 | 2018-04-20 | 中国兵器装备集团自动化研究所 | A kind of device for deep hole molded line groove processing |
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Application publication date: 20121205 |