CN102500690A - Machining tool for thin-walled rotating body parts and machining equipment employing machining tool - Google Patents
Machining tool for thin-walled rotating body parts and machining equipment employing machining tool Download PDFInfo
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- CN102500690A CN102500690A CN2011104430202A CN201110443020A CN102500690A CN 102500690 A CN102500690 A CN 102500690A CN 2011104430202 A CN2011104430202 A CN 2011104430202A CN 201110443020 A CN201110443020 A CN 201110443020A CN 102500690 A CN102500690 A CN 102500690A
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Abstract
The invention provides a tool and a matched fixture for simple machining of a thin-walled gear sleeve and machining equipment such as a spinning machine or a hobbing machine and the like employing the tool according to a spinning principle. The machining tool comprises a cake-shaped spinning wheel rack; a shaft hole used for being connected with a tool handle of the spinning machine and the like is formed in the axis of the spinning wheel rack; edges on two sides of the spinning wheel rack are respectively provided with an empty slot by taking the shaft hole as the center; a spinning wheel of which one part of a wheel body extends out of the empty slot is rotationally fixed in the empty slot; and an excircle of the spinning wheel is provided with a chamfer of which the size is matched with a shape of an external spline required by a workpiece to be machined. The invention has the advantages that: the adopted equipment and mold are simple, rotating bodies formed by a cylinder, a cone, a paraboloid or other curves can be formed, and rotating body parts with extremely complex shapes can be machined; raw materials are saved, the product quality can be guaranteed, the weight is reduced, the service life is prolonged, and the cost is reduced; and for different products, a core mold is needed to be replaced and the chamfer of the spinning wheel is needed to be finished only, and the tool has high flexibility.
Description
Technical field
The invention belongs to the machining process field, especially relate to complicated shapes such as a kind of thin-walled tooth cover the rotary body part the processing dedicated tool and use its process equipment such as spinning machine and gear-hobbing machine.
Background technology
The shape more complicated of some rotary body parts, thin-walled tooth cover as shown in Figure 1 need process interior external splines, and blank material is the thin-walled stave wood, surplus is little, can not use traditional gear hobbing, gear shaping, draw methods such as tooth.And the thin-wall part diameter is bigger, and profile of tooth is longer, is difficult in process of production realize being installed the location, and plain clamp can make the blank gross distortion; In addition, add and occur cutter relieving, shake cutter man-hour easily, stress is concentrated the irregular deformation produced, causes that accessory size is overproof, surface roughness is poor.
Rotary pressure technology level in the just present mechanical field already can head it off.Developed countries such as the U.S., Japan, Germany particularly, rotary pressure technology becomes better and approaching perfection day by day, and they not only have sophisticated equipment, and have grasped the rotary pressure technology of mature system.But the state of development of domestic rotary pressure technology by comparison, at aspects such as product category, dimensional accuracy, capacity of equipment and automaticity and technology theory researchs a certain distance arranged all.And equipment belongs to special plane basically, does not possess the characteristics of flexible production, need change all cutters, frock etc. when changing product, and production efficiency is low.
The inventor according to the spinning principle design a kind of thin-walled tooth cover the employed cutter of simple and easy processing and cooperate frock and adopt its process equipments such as spinning machine or gear-hobbing machine, improved working (machining) efficiency, and made equipment have flexibility.
Summary of the invention
Spinning is a kind of advanced technologies that combines the hollow revolving body spare of form metal of processing characteristics such as forging, extruding, stretching, bending, looping mill rolling, transverse rolling and edging.Metal cylinder base or sheet material etc. are fixed on spinning machine (or other are suitable for the equipment of the gear hobbing processing) core; Drive plug (mandrel) and blank rotation by main shaft; Spinning wheel is squeezed in material on the core of rotation from blank material one side simultaneously; Material is squeezed and produce continuously, the distortion of pointwise, thereby obtain various hollow revolving parts.
For solving technical problem described in the background technology, the inventor proposes to utilize the process tool of spinning principle to the processing of parietal tooth cover, and is specific as follows:
This process tool comprises the spinning wheel carrier of round pie; Spinning wheel carrier axle center place is provided with and is used for the axis hole that is connected with the handle of a knife of equipment such as spinning machine; With the axis hole is that the center respectively is provided with a dead slot at place, spinning wheel carrier both sides of the edge; Rotation is fixed with the spinning wheel that an a part of wheel body stretches out dead slot, the chamfering that said spinning wheel cylindrical has the external splines shape of size and workpiece to be processed requirement to be complementary in the dead slot.
Further, said spinning wheel is sleeved on the needle bearing, pass through connecting axle 8 spinning wheel carrier 11 end-face hole, dead slot and needle bearing 7 in the hole needle bearing is fixedly connected with the spinning wheel carrier.
Said connecting axle is a multidiameter, and its shoulder cooperates with the end-face hole of spinning wheel carrier 11, and the other end then is fixed by circlip 14.
Further, said axis hole has the keyway that can be connected through key with handle of a knife.
The tooling device that cooperates with this cutter; It is characterized in that comprise support, mandrel, core, discharging rotary sleeve and retention mechanism, said mandrel rotational fixation is on support; Core is divided into two parts up and down; Core is contained on the mandrel through its shaft hole sleeve, and core top is used for suit for processing work, and hold-down mechanism will for processing work and core be closely fixing and make both follow the coaxial common rotation of mandrel; The core bottom has external screw thread and external diameter less than top, links to each other with the discharging rotary sleeve screw thread with internal thread, and discharging rotary sleeve upper end is provided with a ring bodies, and the ring bodies internal diameter is not less than the external diameter of bottom, core top.
A kind of spinning machine or gear-hobbing machine is characterized in that the above-mentioned cutter that is connected with the handle of a knife of spinning machine or gear-hobbing machine.In addition, the frock that matches with cutter also adopts above-mentioned tooling device.
Advantage and good effect that the present invention has are: owing to adopt technique scheme; The equipment and mold that adopts is all fairly simple; Can not replace with lathe when having special-purpose spinning machine; Except that the rotary body that can be shaped, also can process the rotary body part of suitable complicated shape like cylindrical shape, taper, parabolic formation or other various curves formations.In machined, save material and can guarantee product quality, alleviate product weight and can prolong its service life again, and reduce manufacturing cost.In addition, for Different products, the present invention only need change core and get final product with finishing spinning wheel chamfering, and flexibility is stronger.
Description of drawings
Fig. 1 is a kind of rotary body design of part sketch map
Fig. 2 is the structural representation that cutter of the present invention cooperates with tooling device
Fig. 3 is the partial schematic diagram of overlooking of Fig. 2
Fig. 4 is the sketch map that cooperates of spinning wheel and workpiece and core under the machining state
Among the figure:
1, workpiece 2, gland 3, open washer
4, nut 5, core 6, spinning wheel
7, needle bearing 8, connecting axle 9, handle of a knife
10, key 11, spinning wheel carrier 12, discharging rotary sleeve
13, mandrel 14, circlip 15, broach shell
16, ring bodies
The specific embodiment
This process tool can use at spinning machine and also can on general hobbing machine, realize, therefore narrates spinning wheel in the lump on gear-hobbing machine, to be installed as the installation process of example.
At first,, spinning wheel 6 is enclosed within on the needle bearing 7, places in the spinning wheel carrier 11 edge dead slots like Fig. 2, process principle shown in Figure 3, connecting axle 8 is passed spinning wheel carrier 11 dead slot and needle bearing 7 in the hole.Connecting axle 8 is a multidiameter, and its shoulder cooperates with the end-face hole of spinning wheel carrier 11, and the other end then is fixed by circlip 14.In spinning wheel carrier other end symmetric position other one group of spinning wheel and needle bearing etc. are installed accordingly.The spinning wheel carrier 11 that installs spinning wheel is installed on the handle of a knife 9, leans on key 10 to connect, for preventing the axial float of spinning wheel carrier 11, two broach shells 15 are installed on handle of a knife 9, being close on the spinning wheel carrier 11 rear and front end faces is its axial location.So far, accomplishing cutter installs.The spinning wheel carrier is provided with two rollers, guarantees the dynamic balancing of cutter shaft.
Then, as shown in Figure 2, workpiece 1 is enclosed within on the core 5, be fixed by platen 2, open washer 3, nut 4 again.Need to propose: the retention mechanism on core 5, workpiece 1 and top all is contained on the mandrel 13, but has only nut 4 to cooperate with mandrel 13.When discharging, only need unclamp nut 4 a little, just can open washer 3, platen 2, workpiece 1 be unloaded, saved the lay day.
At last, the relative position of adjustment spinning wheel 6 and workpiece 1 guarantees processing and puts in place and get final product.
Mentioned cutter structure is seen shown in Figure 3ly in the said method, and spinning wheel is a disk-like structure, and cylindrical has chamfering, the external splines shaped design that chamfer dimesion requires according to workpiece.And corresponding, the external splines size of core will design according to the internal spline of workpiece, it is noted that the external splines path of core should be slightly less than the internal spline path of workpiece, is advisable with 0.05-0.1mm, and space width will cooperate with the transverse tooth thickness of workpiece internal spline.Can guarantee workpiece external splines warpage with core under the extruding of spinning wheel like this, with the profile of tooth that obtains requiring.In addition, core should have certain tapering, is advisable than the big 0.2mm of lower end diameter in the upper end, cooperates discharging rotary sleeve 12, makes workpiece loading and unloading more laborsaving, smooth and easy, the non-cutting time that the processing of shortening is required, enhances productivity.
The advantage of rotary pressing processing is equipment and mold all fairly simple (can not replace with lathe when having special-purpose spinning machine); Except that the rotary body that can be shaped, also can process the rotary body part of suitable complicated shape like cylindrical shape, taper, parabolic formation or other various curves formations.But its productivity ratio is lower, relatively is applicable to trial-production and small lot batch manufacture.
More than one embodiment of the present of invention are specified, but said content is merely preferred embodiment of the present invention, can not be considered to be used to limit practical range of the present invention.All equalizations of doing according to application range of the present invention change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (9)
1. the process tool of a thin-walled rotary body part; It is characterized in that: the spinning wheel carrier that comprises round pie; Spinning wheel carrier axle center place is provided with and is used for the axis hole that is connected with the handle of a knife of equipment such as spinning machine; With the axis hole is that the center respectively is provided with a dead slot at place, spinning wheel carrier both sides of the edge, and rotation is fixed with the spinning wheel that an a part of wheel body stretches out dead slot, the chamfering that said spinning wheel cylindrical has the external splines shape of size and workpiece to be processed requirement to be complementary in the dead slot.
2. process tool according to claim 1; It is characterized in that: said spinning wheel is sleeved on the needle bearing, pass through connecting axle (8) spinning wheel carrier (11) end-face hole, dead slot and needle bearing (7) in the hole needle bearing is fixedly connected with the spinning wheel carrier.
3. process tool according to claim 2 is characterized in that: said connecting axle is a multidiameter, and its shoulder cooperates with the end-face hole of spinning wheel carrier (11), and the other end then is fixed by circlip (14).
4. process tool according to claim 1 is characterized in that: said axis hole has the keyway that can be connected through key with handle of a knife.
5. tooling device that matches with the said cutter of claim 1; It is characterized in that comprise support, mandrel, core, discharging rotary sleeve and retention mechanism, said mandrel rotational fixation is on support; Core is divided into two parts up and down; Core is contained on the mandrel through its shaft hole sleeve, and core top is used for suit for processing work, and hold-down mechanism will for processing work and core be closely fixing and make both follow the coaxial common rotation of mandrel; The core bottom has external screw thread and external diameter less than the external diameter on core top, links to each other with the discharging rotary sleeve screw thread with internal thread, and discharging rotary sleeve upper end is provided with a ring bodies, and the ring bodies internal diameter is not less than the external diameter of bottom, core top.
6. tooling device according to claim 5; It is characterized in that; Said core top be provided with the processing work moulding after the spline that is complementary of required spline, the external splines path of core is less than the internal spline path 0.05-0.1mm of workpiece, space width cooperates with the transverse tooth thickness of workpiece internal spline.
7. tooling device according to claim 5 is characterized in that, the upper end on core top is than the big 0.2mm of lower end diameter.
8. spinning machine or gear-hobbing machine is characterized in that, be connected with the handle of a knife of spinning machine or gear-hobbing machine like any described process tool of claim 1 to 4.
9. spinning machine according to claim 8 or gear-hobbing machine is characterized in that the frock that matches with cutter also adopts tooling device as claimed in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104430202A CN102500690A (en) | 2011-12-26 | 2011-12-26 | Machining tool for thin-walled rotating body parts and machining equipment employing machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104430202A CN102500690A (en) | 2011-12-26 | 2011-12-26 | Machining tool for thin-walled rotating body parts and machining equipment employing machining tool |
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| CN102500690A true CN102500690A (en) | 2012-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104430202A Pending CN102500690A (en) | 2011-12-26 | 2011-12-26 | Machining tool for thin-walled rotating body parts and machining equipment employing machining tool |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331355A (en) * | 2013-06-07 | 2013-10-02 | 浙江水利水电专科学校 | Cold-extruding and spinning composite precision forging method for non-straight cavity inner wall cup tube |
| CN104923607A (en) * | 2015-04-23 | 2015-09-23 | 袁龙 | Planar groove forming technique, blade-free tool and hardware manufactured through planar groove forming technique |
| CN106002497A (en) * | 2016-07-12 | 2016-10-12 | 北京精密机电控制设备研究所 | Deformation compatibility formed grinding method of flexible gear |
| WO2019158656A1 (en) * | 2018-02-16 | 2019-08-22 | Ernst Grob Ag | Thin-walled ring gears having inner and outer toothing, and a device and method for producing same |
| CN113523072A (en) * | 2021-07-28 | 2021-10-22 | 上海威克迈龙川汽车发动机零件有限公司 | Spinning tool and manufacturing method of internal spline clutch hub |
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| GB914329A (en) * | 1958-01-13 | |||
| US2715846A (en) * | 1951-05-16 | 1955-08-23 | Grob Inc | Method of groove forming |
| CH579427A5 (en) * | 1975-02-24 | 1976-09-15 | Grob Ernst Fa | |
| CN2130630Y (en) * | 1992-04-07 | 1993-04-28 | 姜亚平 | Clamp for machining gear expansion tire |
| US5471858A (en) * | 1992-03-04 | 1995-12-05 | Ernst Grob Ag | Apparatus and process for the production of a hollow workpiece being profiled in a straight or helical manner relative to the workpiece axis |
| CN1367054A (en) * | 2002-03-07 | 2002-09-04 | 华南理工大学 | Spin forming method and its equipment |
| CN2912879Y (en) * | 2006-05-12 | 2007-06-20 | 山东泰工工贸有限责任公司 | Small taper hole large reference round gear teeth clamp |
| JP2009050905A (en) * | 2007-08-29 | 2009-03-12 | Nippon Spindle Mfg Co Ltd | Method and apparatus for forming internal gear |
| CN201735911U (en) * | 2010-05-24 | 2011-02-09 | 曾光荣·巴拿巴 | Self-centering micro-taper sleeve jig for gear |
| CN202570975U (en) * | 2011-12-26 | 2012-12-05 | 天津天海同步科技股份有限公司 | Machining cutter of thin-walled rotating body part, fixture device and spinning machine or gear hobbing machine |
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- 2011-12-26 CN CN2011104430202A patent/CN102500690A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2715846A (en) * | 1951-05-16 | 1955-08-23 | Grob Inc | Method of groove forming |
| GB914329A (en) * | 1958-01-13 | |||
| CH579427A5 (en) * | 1975-02-24 | 1976-09-15 | Grob Ernst Fa | |
| US5471858A (en) * | 1992-03-04 | 1995-12-05 | Ernst Grob Ag | Apparatus and process for the production of a hollow workpiece being profiled in a straight or helical manner relative to the workpiece axis |
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| CN2912879Y (en) * | 2006-05-12 | 2007-06-20 | 山东泰工工贸有限责任公司 | Small taper hole large reference round gear teeth clamp |
| JP2009050905A (en) * | 2007-08-29 | 2009-03-12 | Nippon Spindle Mfg Co Ltd | Method and apparatus for forming internal gear |
| CN201735911U (en) * | 2010-05-24 | 2011-02-09 | 曾光荣·巴拿巴 | Self-centering micro-taper sleeve jig for gear |
| CN202570975U (en) * | 2011-12-26 | 2012-12-05 | 天津天海同步科技股份有限公司 | Machining cutter of thin-walled rotating body part, fixture device and spinning machine or gear hobbing machine |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331355A (en) * | 2013-06-07 | 2013-10-02 | 浙江水利水电专科学校 | Cold-extruding and spinning composite precision forging method for non-straight cavity inner wall cup tube |
| CN104923607A (en) * | 2015-04-23 | 2015-09-23 | 袁龙 | Planar groove forming technique, blade-free tool and hardware manufactured through planar groove forming technique |
| CN106002497A (en) * | 2016-07-12 | 2016-10-12 | 北京精密机电控制设备研究所 | Deformation compatibility formed grinding method of flexible gear |
| WO2019158656A1 (en) * | 2018-02-16 | 2019-08-22 | Ernst Grob Ag | Thin-walled ring gears having inner and outer toothing, and a device and method for producing same |
| CH714660A1 (en) * | 2018-02-16 | 2019-08-30 | Grob Ernst Fa | Apparatus and method for producing a ring gear with internal and external teeth and ring gear. |
| US11498114B2 (en) | 2018-02-16 | 2022-11-15 | Ernst Grob Ag | Thin-walled hollow wheels with internal and external toothing, and apparatus and method for manufacturing the same |
| CN113523072A (en) * | 2021-07-28 | 2021-10-22 | 上海威克迈龙川汽车发动机零件有限公司 | Spinning tool and manufacturing method of internal spline clutch hub |
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Application publication date: 20120620 |