CN1672846A - Numerically controlled inner tooth grinding head - Google Patents
Numerically controlled inner tooth grinding head Download PDFInfo
- Publication number
- CN1672846A CN1672846A CN 200510034036 CN200510034036A CN1672846A CN 1672846 A CN1672846 A CN 1672846A CN 200510034036 CN200510034036 CN 200510034036 CN 200510034036 A CN200510034036 A CN 200510034036A CN 1672846 A CN1672846 A CN 1672846A
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- CN
- China
- Prior art keywords
- emery wheel
- grinding
- bevel gear
- numerically controlled
- inner tooth
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
- B23F5/02—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The present invention relates to gear machining equipment, and is especially numerically controlled inner tooth grinding head. The numerically controlled inner tooth grinding head consists of cutter shaft, grinding wheel installing angle regulating mechanism, grinding wheel bearing mechanism and driving force transmission mechanism. The grinding wheel installing angle regulating mechanism consists of the lower arced surface of cutter shaft and the upper arced surface of the grinding wheel support; and the driving force transmission mechanism consists of spring soft shaft and bevel gears. The present invention has the advantages of small grinding error, high grinding precision and smooth running.
Description
Technical field
The present invention relates to a kind of gear machining apparatus, specifically be meant a kind of numerically controlled inner tooth grinding head.
Background technology
Disk wheel formation teeth-grinding technology is gear and tooth part fine finishining, especially high rigidity, the accurately machined a kind of important technology of high class gear.Numerical control formation teeth-grinding technology can be processed any profile of tooth, and the gear and the tooth part of established angle are the developing direction of present formation teeth-grinding technology arbitrarily.
Present domestic numerical control plunge grinding lathe can only the grinding external tooth, as the YK7332A molded gear grinding machine of China Qingchun Machine Tool Group Corp., Ltd. production and the YK7320 six Shaft and NC Machining Test molded gear grinding machines of Chongqing Machine Tool Factory's production etc., represent the advanced technology of domestic numerical control formation teeth-grinding equipment, satisfied the needs of numerical control formation teeth-grinding technology.But the said equipment does not all have the internal tooth grinding function.
But import numerical control formation teeth-grinding equipment is the grinding internal tooth behind additional special-purpose internal tooth grinding attachment, as the RAPID900 type numerical control formation teeth-grinding machine of German H fler (Hough is reined in) company production and the S250G universal type numerical control formation teeth-grinding machine of Italian SAMPUTENSILI (Sang Putansili) company production.But the setting angle of the relative knife bar of emery wheel of the said equipment can not be adjusted, its internal tooth grinding attachment emery wheel power is passed to emery wheel by belt, install for fixed angle between emery wheel and knife bar, during the grinding helical teeth, form the emery wheel established angle by the angle of adjusting between knife bar and workpiece gyroaxis.The bistrique of this structure can not grinding depth the big or special workpiece of structure, especially can not adapt to the processing request of gear die.In addition, dedicated numerical control formation teeth-grinding equipment, especially import equipment costs an arm and a leg, and is difficult to extensive popularization.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, a kind of the grinding head dedicated of internal tooth numerical control formation grinding that can be used for is provided, this grinding wheel head structure compactness, emery wheel can be sent into the bigger ring gear of the degree of depth, with specific setting angle precision rotating, and provide power enough grinding power with enough relative axis of workpiece of rigidity bearing emery wheel to emery wheel.
The object of the invention is achieved through the following technical solutions:
Grinding head dedicatedly be made up of knife bar, emery wheel established angle guiding mechanism, emery wheel supporting device and Poewr transmission mechanism, it is characterized in that: emery wheel established angle guiding mechanism is matched by knife bar bottom cambered surface and emery wheel bracket top cambered surface and constitutes; Poewr transmission mechanism is made up of spring flexible axle and bevel gear set, and the spring flexible axle is connected with drive bevel gear, drive bevel gear with meshed by dynamic bevel gear, be fixed on the grinding wheel spindle by dynamic bevel gear.
Described knife bar is cylindrical, is provided with and the corresponding positioning spline of main shaft of numerical control machine tool detent mechanism.
Described knife bar lower curved surface and emery wheel bracket top curved surfaces radius equate and work in coordination that two curved surfaces gyroaxises are all by the emery wheel center.
Cooperate for key between described spring flexible axle and the drive bevel gear.
Principle of the present invention is, cooperates the location by cambered surface between emery wheel bracket and knife bar, and emery wheel bracket is when supporting relative knife bar and sliding with the cambered surface, and emery wheel is adjusted axle around established angle and rotated, and forms established angle.Established angle locks after can being adjusted to arbitrary value as required.Spindle drive motor power is passed to bevel gear by the spring flexible axle, and the spring flexible axle can be crooked arbitrarily, therefore can enter gear ring inside with bistrique, can not interfere with workpiece.Flexible axle rotates and is passed to grinding wheel spindle by bevel gear, guarantees that grinding wheel speed reaches the grinding requirement.
The present invention compared with prior art has following outstanding advantage:
(1) knife bar of the present invention can cooperate installation with universal numerical control equipment, reduces the numerical control formation teeth-grinding equipment cost.
(2) scope of application broad of the present invention, the emery wheel established angle can be adjusted arbitrarily, is applicable to the helical gear of various helical angles, but and grinding knife bar length can reach in the scope workpiece of the facewidth arbitrarily, knife bar and workpiece can not interfere, and are particularly useful for the bigger workpiece of gear ring draw ratio such as grinding worm mould.
(3) be not rigidly connected between motor of the present invention and bistrique, reduced the bistrique load, reduced because the Grinding Error that lathe rigidity deficiency and motor operational shock cause has improved precision of grinding teeth.
(4) adopt cambered surface to cooperate location between emery wheel bracket of the present invention and knife bar, its cambered surface connection contact area is bigger, and rigidity is higher, has guaranteed stablizing of bistrique rigidity and emery wheel established angle.
Description of drawings
Fig. 1 is the structural representation of numerically controlled inner tooth grinding head.
Fig. 2 is the principal section structure chart of numerically controlled inner tooth grinding head.
Fig. 3 is the assembling schematic diagram of numerically controlled inner tooth grinding head.
Fig. 4 is the working state schematic representation of numerically controlled inner tooth grinding head.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the present invention is described in further detail, Fig. 1～Figure 4 shows that concrete enforcement structure of the present invention, but embodiment of the present invention is not limited only to this.
By Fig. 1,2 as seen, grinding head dedicatedly form by knife bar, emery wheel supporting device, emery wheel established angle guiding mechanism and Poewr transmission mechanism.
The emery wheel supporting device is by formed grinding wheel 12, emery wheel bracket 16, grinding spindle unit: grinding wheel spindle 11, emery wheel binding nut 13, a pair of precision bearing 10,14, a pair of thread ending cover 9,15 and guard shield 2 are formed, and its connecting relation is as follows: formed grinding wheel 12 is fixed on the grinding wheel spindle 11 by screw thread by emery wheel binding nut 13.Grinding wheel spindle 11 is bearing on the emery wheel bracket 16 by a pair of precision bearing 10,14, and emery wheel 12 fixing and fine position is vertically realized by a pair of thread ending cover 9,15.Grinding wheel spindle 11 1 ends are fixed with driven wheel of differential 8 by woodruff key.For guaranteeing process safety, emery wheel has guard shield 2 outward.Above each several part is supported the rotating main motion of emery wheel, guarantees its rotating accuracy and positional precision.
Emery wheel established angle guiding mechanism is made up of the arc surface on the flange of knife bar 18 bottoms and positioning key, emery wheel bracket 16 tops and T-slot and trip bolt 17.Emery wheel bracket 16 tops are curved surfaces, and the curved surfaces gyroaxis is by emery wheel 12 centers.Knife bar 18 lower flange also have curved surfaces, equate with the curved surfaces radius on emery wheel bracket 16 tops and work in coordination.The rectangle positioning key of flange below cooperates with the locating slot on emery wheel bracket 16 tops, is fastened in the T-slot by two groups of bolts 17 simultaneously.16 of knife bar 18 and emery wheel brackets are the location with the arc surface, and slip can be adjusted the emery wheel established angle relatively, and it is fastening with bolt 17 to adjust the back that finishes, and guarantees relative position and setting angle between emery wheel and knife bar.The emery wheel supporting device is connected with knife bar 18 by emery wheel established angle guiding mechanism.
Poewr transmission mechanism is made up of spring flexible axle 1, bevel gear support 3, trip bolt 4, bearing 5, bevel gear shaft 6, drive bevel gear 7 and driven wheel of differential 8.The axle head of spring flexible axle 1 is provided with flat key, cooperates with bevel gear shaft 6 upper end hole internal keywaies, transmits and rotates.Bevel gear shaft 6 is bearing in the bevel gear support 3 by bearing 5 and rotates.Bevel gear support 3 is fastened on emery wheel bracket 16 sides with four groups of screws 4.Drive bevel gear 7 is socketed in bevel gear shaft 6 lower ends, rotates by the transmission of end key.Motor power is passed to grinding wheel spindle by spring flexible axle 1 and bevel gear set 7,8.
Figure 3 shows that the bistrique confined state when established angle is adjusted into 0 °.
Figure 4 shows that described bistrique is installed in the duty on the Digit Control Machine Tool.Bistrique 22 is installed in main shaft 20 holes of universal numerical control lathe 19 by knife bar 18.Knife bar 18 is cylindrical, is provided with and the corresponding positioning spline of main shaft of numerical control machine tool detent mechanism, can be fixedly mounted in the universal numerical control machine tool chief axis hole, and by machine tool numerical control system drive carrying out grinding motion.
After adjusting established angle, grinding wheel profile utilizes numerical control trimmer 21 to repair.Workpiece 24 is clamped on the NC rotary table 23.During roll flute, vertically in the feeding, workpiece is done corresponding gyration to bistrique under the drive of NC rotary table, form spiral alveolar in the workpiece gear ring.Behind the intact tooth of grinding, bistrique is return, and workpiece is done the next tooth of numerical control scale-division motion back grinding, up to the grinding work of finishing whole internal gear.
Through verification experimental verification, the present embodiment compact conformation, the rigidity height, established angle is easy to adjust, operates steadily, and grinding accuracy reaches requirement, can be used for the processing of internal tooth numerical control formation teeth-grinding.
Claims (4)
1, a kind of numerically controlled inner tooth grinding head, be made up of knife bar, emery wheel established angle guiding mechanism, emery wheel supporting device and Poewr transmission mechanism, it is characterized in that: emery wheel established angle guiding mechanism is matched by knife bar bottom cambered surface and emery wheel bracket top cambered surface and constitutes; Poewr transmission mechanism is made up of spring flexible axle and bevel gear set, and the spring flexible axle is connected with drive bevel gear, drive bevel gear with meshed by dynamic bevel gear, be fixed on the grinding wheel spindle by dynamic bevel gear.
2, numerically controlled inner tooth grinding head according to claim 1 is characterized in that: described knife bar is cylindrical, is provided with and the corresponding positioning spline of main shaft of numerical control machine tool detent mechanism.
3, numerically controlled inner tooth grinding head according to claim 1 is characterized in that: described knife bar lower curved surface and emery wheel bracket top curved surfaces radius equate and work in coordination that two curved surfaces gyroaxises are all by the emery wheel center.
4, numerically controlled inner tooth grinding head according to claim 1 is characterized in that: cooperate for key between described spring flexible axle and the drive bevel gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100340362A CN100352589C (en) | 2005-04-08 | 2005-04-08 | Numerically controlled inner tooth grinding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100340362A CN100352589C (en) | 2005-04-08 | 2005-04-08 | Numerically controlled inner tooth grinding head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1672846A true CN1672846A (en) | 2005-09-28 |
| CN100352589C CN100352589C (en) | 2007-12-05 |
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ID=35045757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100340362A Expired - Fee Related CN100352589C (en) | 2005-04-08 | 2005-04-08 | Numerically controlled inner tooth grinding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100352589C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259305A (en) * | 2011-08-02 | 2011-11-30 | 新乡日升数控轴承装备股份有限公司 | Grinding head mechanism for internal hole wall linear groove |
| CN108555548A (en) * | 2018-07-18 | 2018-09-21 | 东莞市鑫拓智能机械科技有限公司 | A kind of production and processing method of firm gear |
| CN113263227A (en) * | 2021-05-14 | 2021-08-17 | 宜昌市致远新技术有限公司 | Milling cutter frame structure for milling internal gear and milling method thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86202106U (en) * | 1986-04-02 | 1987-06-10 | 潘绍明 | Portable safety grindstone machine with soft shaft |
| DE4207511A1 (en) * | 1992-03-10 | 1993-09-16 | Franz Martin Arndt | Grinding process for correcting involute profile of internal gear - depends on use of grinding tool in form of convex globoid worm which is meshed with rack formed dresser to produce corrected involute and then used to grind gear |
| CN1081138A (en) * | 1992-07-08 | 1994-01-26 | 广东省江门机床厂 | The method of grinding annulus and special plane thereof |
| CN2328468Y (en) * | 1998-04-28 | 1999-07-14 | 戚道易 | Grinding head angle regulator for irregular stone edge grinder |
| JP2003089015A (en) * | 2001-09-14 | 2003-03-25 | Shindensha:Kk | Chisel for fabricating internal gear and fabricating method of internal gear |
| DE50115693D1 (en) * | 2001-12-13 | 2010-12-16 | Gleason Works | Method for producing an internally toothed honing ring |
-
2005
- 2005-04-08 CN CNB2005100340362A patent/CN100352589C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259305A (en) * | 2011-08-02 | 2011-11-30 | 新乡日升数控轴承装备股份有限公司 | Grinding head mechanism for internal hole wall linear groove |
| CN108555548A (en) * | 2018-07-18 | 2018-09-21 | 东莞市鑫拓智能机械科技有限公司 | A kind of production and processing method of firm gear |
| CN113263227A (en) * | 2021-05-14 | 2021-08-17 | 宜昌市致远新技术有限公司 | Milling cutter frame structure for milling internal gear and milling method thereof |
| CN113263227B (en) * | 2021-05-14 | 2024-05-17 | 宜昌市致远新技术有限公司 | Milling cutter frame structure for milling internal gear and milling method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100352589C (en) | 2007-12-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Meizhou Mei Mei Gear Co., Ltd. Assignor: South China University of Technology Contract fulfillment period: 2008.4.25 to 2015.4.25 contract change Contract record no.: 2009440001199 Denomination of invention: Numerically controlled inner tooth grinding head Granted publication date: 20071205 License type: Exclusive license Record date: 2009.8.13 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.4.25 TO 2015.4.25; CHANGE OF CONTRACT Name of requester: MEIZHOU CITY MEIGONG GEAR CO., LTD. Effective date: 20090813 |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20140408 |