CN203611041U - Cutter lifting device of numerical-control spline shaft milling machine - Google Patents
Cutter lifting device of numerical-control spline shaft milling machine Download PDFInfo
- Publication number
- CN203611041U CN203611041U CN201320867942.0U CN201320867942U CN203611041U CN 203611041 U CN203611041 U CN 203611041U CN 201320867942 U CN201320867942 U CN 201320867942U CN 203611041 U CN203611041 U CN 203611041U
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- gear
- rotating shaft
- hob
- milling machine
- lifting
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Abstract
The utility model relates to a cutter lifting device of a numerical-control spline shaft milling machine, and mainly solves the problems that the utilization rate of a hob is low and the service life of the hob is short caused by the fact that the hob of the existing numerical-control spline shaft milling machine cannot go up and down. The cutter lifting device is characterized in that a rotary shaft (3) is arranged in a box body (4) and can slide up and down, a lifting sleeve (5) is arranged outside the rotary shaft (3), the rotary shaft (3) can rotate relative to the lifting sleeve (5) and can be driven to go up and down by the lifting sleeve (5), a gear (6) is arranged on a sidewall of the box body (4), a rack (8) meshed with the gear (6) is fixedly arranged on the lifting sleeve (5), and a locking mechanism (9) corresponding to the lifting sleeve (5) is arranged on the other sidewall of the box body (4). The cutter lifting device of the numerical-control spline shaft milling machine, which is disclosed by the utility model, has a gear-rack structure, so that the hob can rotate and go up and down, and milling cutter blocks on the hob all can be fully utilized; therefore, the service life of the hob is prolonged, and the cutter changing period is also prolonged.
Description
Technical field
The utility model relates to a kind of numerical control spline milling machine, is specifically related to a kind of cutter lowering or hoisting gear of numerical control spline milling machine.
Background technology
Numerical control spline milling machine is mainly the spline for working shaft-like workpiece, its cutting tool adopting is hob, in the time of processing spline, hob rotates and along the axial feed of workpiece, realize the Milling Process to spline, the spline on workpiece is multiple, processes after a spline, workpiece rotates certain decile angle, reprocesses next spline.Operated by rotary motion 3～4 gang milling cutter pieces on hob, hob is in the time of work, only has a gang milling cutter piece cutting workpiece of corresponding workpiece shaft core position, when after this gang milling cutter block length time service, will blunt, not sharp, cause the spline Quality Down of processing, because hob on existing numerical control spline milling machine can not up-down adjustment, now just need to be by hob integral replacing, other milling cutter piece on hob does not participate in cutting, has the defect that hob utilization rate is low, service life is short, and the tool changing cycle is short.
Utility model content
Can not lifting and cause the deficiency that hob utilization rate is low, service life is short in order to overcome hob on existing numerical control spline milling machine, the utility model provides a kind of cutter lowering or hoisting gear of numerical control spline milling machine, the cutter lowering or hoisting gear of this numerical control spline milling machine adopts the structure of gear and tooth bar, hob can be rotated and can lifting, milling cutter piece on hob all can make full use of, improve the service life of hob, extended the tool changing cycle.
The technical solution of the utility model is: a kind of cutter lowering or hoisting gear of numerical control spline milling machine, comprise hob, servomotor and rotating shaft, hob is arranged on rotating shaft lower end, rotating shaft is rotated by driven by servomotor, rotating shaft is arranged in casing and can slides up and down, rotating shaft is provided with lifting cover outward, rotating shaft can be rotated and can be driven lifting by lifting cover relative to lifting cover, one sidewall of casing is provided with gear, described gear is connected with the lifting handle outside casing, lifting puts and is fixed with the tooth bar being meshed with gear, another sidewall of casing is provided with lifting and overlaps corresponding retaining mechanism, described retaining mechanism can be by the locking of lifting cover, retaining mechanism is connected with the set lever outside casing.
Described casing top is provided with gear-box, is provided with driven gear in gear-box, and described driven gear is meshed with the driving gear on servomotor output shaft, the upper end of rotating shaft run through driven gear and with its spline fitted.
Between described rotating shaft and lifting cover, be provided with bearing.
The upper and lower side of described casing is equipped with fairlead, is matched in clearance between rotating shaft and fairlead.
The utlity model has following beneficial effect: owing to taking technique scheme, adopt the structure of gear and tooth bar, hob can be rotated and can lifting, take full advantage of hobboing cutter, improved the service life of hobboing cutter, extended the tool changing cycle.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is top views of Fig. 1.
1-hob in figure, 2-servomotor, 3-rotating shaft, 4-casing, 5-lifting cover, 6-gear, 7-lifting handle, 8-tooth bar, 9-retaining mechanism, 10-set lever, 11-gear-box, 12-driven gear, 13-driving gear, 14-bearing, 15-fairlead.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
By Fig. 1 in conjunction with shown in Fig. 2, a kind of cutter lowering or hoisting gear of numerical control spline milling machine, comprise hob 1, servomotor 2 and rotating shaft 3, hob 1 is arranged on rotating shaft 3 lower ends, rotating shaft 3 drives rotation by servomotor 2, rotating shaft 3 is arranged in casing 4 and can slides up and down, the outer lifting cover 5 that is provided with of rotating shaft 3, rotating shaft 3 can be rotated and can be overlapped 5 drive liftings by lifting relative to lifting cover 5, one sidewall of casing 4 is provided with gear 6, described gear 6 is connected with the lifting handle 7 outside casing 4, on lifting cover 5, be fixed with the tooth bar 8 being meshed with gear 6, another sidewall of casing 4 is provided with lifting and overlaps 5 corresponding retaining mechanisms 9, described retaining mechanism 9 can overlap lifting 5 lockings, retaining mechanism 9 is connected with the set lever 10 outside casing 4.Owing to taking technique scheme, when after the gang milling cutter piece blunt on hob 1, rotation lock handle 10 is opened retaining mechanism 9, rotating lifting handle 7 makes lifting cover 5 rise or decline, drive hob 1 to rise or decline by rotating shaft 3, and then adjust the milling cutter piece below of blunt or the milling cutter piece of top in operating position, after the position adjustments of hob 1 is good, rotation lock handle 10 is by 5 lockings of lifting cover, the utility model makes the hob 1 can lifting, milling cutter piece on hob 1 all can make full use of, improve the service life of hob 1, extend the tool changing cycle.
Described casing 4 tops are provided with gear-box 11, are provided with driven gear 12 in gear-box 11, and described driven gear 12 is meshed with the driving gear 13 on servomotor 2 output shafts, the upper end of rotating shaft 3 run through driven gear 12 and with its spline fitted.This structure can guarantee that the outputting power of servomotor 2 rotates rotating shaft 2, can make again the relative driven gear 12 of rotating shaft 3 slide up and down, simple in structure, compact.
Between described rotating shaft 3 and lifting cover 5, be provided with bearing 14.Resistance when reducing rotating shaft 3 and turning round, lifting cover 5 is also played a supporting role simultaneously.
The upper and lower side of described casing 4 is equipped with fairlead 15, between rotating shaft 3 and fairlead 15, is matched in clearance.Rotating shaft 3 can slide axially and rotate relative to fairlead 15, adopts matched in clearance, has guaranteed the rotation precision of rotating shaft 3.
Claims (4)
1. the cutter lowering or hoisting gear of a numerical control spline milling machine, comprise hob (1), servomotor (2) and rotating shaft (3), hob (1) is arranged on rotating shaft (3) lower end, rotating shaft (3) drives rotation by servomotor (2), it is characterized in that: rotating shaft (3) is arranged in casing (4) and can slides up and down, the outer lifting cover (5) that is provided with of rotating shaft (3), rotating shaft (3) can be rotated and can be driven lifting by lifting cover (5) relative to lifting cover (5), one sidewall of casing (4) is provided with gear (6), described gear (6) lifting handle (7) outer with casing (4) is connected, on lifting cover (5), be fixed with the tooth bar (8) being meshed with gear (6), another sidewall of casing (4) is provided with the retaining mechanism (9) corresponding with lifting cover (5), described retaining mechanism (9) can lock lifting cover (5), retaining mechanism (9) set lever (10) outer with casing (4) is connected.
2. the cutter lowering or hoisting gear of numerical control spline milling machine according to claim 1, it is characterized in that: described casing (4) top is provided with gear-box (11), in gear-box (11), be provided with driven gear (12), described driven gear (12) is meshed with the driving gear (13) on servomotor (2) output shaft, the upper end of rotating shaft (3) run through driven gear (12) and with its spline fitted.
3. according to the cutter lowering or hoisting gear of the numerical control spline milling machine described in claim 1 or 2, it is characterized in that: between described rotating shaft (3) and lifting cover (5), be provided with bearing (14).
4. according to the cutter lowering or hoisting gear of the numerical control spline milling machine described in claim 1 or 2, it is characterized in that: the upper and lower side of described casing (4) is equipped with fairlead (15), is matched in clearance between rotating shaft (3) and fairlead (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867942.0U CN203611041U (en) | 2013-12-26 | 2013-12-26 | Cutter lifting device of numerical-control spline shaft milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320867942.0U CN203611041U (en) | 2013-12-26 | 2013-12-26 | Cutter lifting device of numerical-control spline shaft milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203611041U true CN203611041U (en) | 2014-05-28 |
Family
ID=50763722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320867942.0U Expired - Fee Related CN203611041U (en) | 2013-12-26 | 2013-12-26 | Cutter lifting device of numerical-control spline shaft milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203611041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105248159A (en) * | 2015-10-26 | 2016-01-20 | 广西大学 | Cutting machine of white mulberry |
-
2013
- 2013-12-26 CN CN201320867942.0U patent/CN203611041U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105248159A (en) * | 2015-10-26 | 2016-01-20 | 广西大学 | Cutting machine of white mulberry |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160112 Address after: 325600 Zhejiang city of Wenzhou province Yueqing Economic Development Zone by seven road No. 477 (Helong explosion-proof electrical limited company) Patentee after: ZHEJIANG HELONG DIGITAL CONTROL TECHNOLOGY CO., LTD. Address before: Yueqing City, Zhejiang province 325699 Yuecheng Town, Wenzhou City Huifeng Road No. 106 Patentee before: ZHEJIANG LANGDE MACHINERY CO., LTD. |
|
| 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: 20140528 Termination date: 20181226 |