CN205278251U - Gear hobbing knife rest that possesses adjustable function of permanent power in in a big way - Google Patents
Gear hobbing knife rest that possesses adjustable function of permanent power in in a big way Download PDFInfo
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- CN205278251U CN205278251U CN201620039488.3U CN201620039488U CN205278251U CN 205278251 U CN205278251 U CN 205278251U CN 201620039488 U CN201620039488 U CN 201620039488U CN 205278251 U CN205278251 U CN 205278251U
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- speed change
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Abstract
The utility model discloses a gear hobbing knife rest that possesses adjustable function of permanent power in in a big way belongs to lathe technical field, including motor and multiple -speed gear -box, the multiple -speed gear -box includes gear box casing, installs change -speed gearing mechanism and power switching mechanism in gear box casing, change -speed gearing mechanism is two grades of change -speed gearing mechanisms primary axis and the second grade axle parallel with the primary axis, the utility model discloses adaptable big or small modulus gear machining, the high slow -speed of revolution of adaptation main shaft for the motor is near invariant cutting process rated power always, has guaranteed the biggest machining efficiency of knife rest.
Description
Technical field
The utility model belongs to machine tool technology field, is specifically related to a kind of hobbing knife rest possessing invariable power adjustable function in a big way.
Background technology
Motor on tradition gear hobbing machine knife frame is by rotating on gear reducing case integral drive to tool spindle, when the big close-toothed gear of processing all size, if being only just difficult to ensure that motor rotates near specified speed by the adjustment speed of mainshaft, motor Maximum Power Output so just can not be allowed.
Practical novel content
In view of this, the purpose of this utility model is to provide a kind of hobbing knife rest possessing invariable power adjustable function in a big way, by conversion reduction ratio, the processing of big fine module gear can be adapted to, main shaft high and low rotating speed can be adapted to, make motor always constant near rated output machining, ensure that the maximum working (machining) efficiency of knife rest.
For achieving the above object, the utility model is achieved through the following technical solutions:
A kind of hobbing knife rest possessing invariable power adjustable function in a big way that the utility model provides, comprise motor and with multi-speed change device, described multi-speed change device comprises speed change casing, be arranged in speed change casing change gear mechanism and power switching mechanism, described change gear mechanism is two grades of change gear mechanisms, comprises one-level axle and parallel with one-level axle two grades of axles; Described one-level axle is provided with gear I and the gear II of heavy keying fit, and described gear I modulus is less than gear II modulus; Described two grades of axles are provided with the spline cover of heavy keying fit, described spline puts the gear III and gear IV that are provided with and are rotatably assorted and can slide along its axial direction due, described gear IV connects admittedly with gear III, its modulus is less than gear III modulus and between gear I modulus and gear II modulus, described gear III modulus is greater than gear II modulus; Described power switching mechanism comprises shift fork axle that is parallel with two grades of axles and that can move axially, and described shift fork axle is provided with the shift fork for handsetting gear III; It is provided with step-down gear between described motor and multi-speed change device.
Preferably, one end of described one-level axle is arranged on speed change casing by bearing, and its other end is connect admittedly by shaft coupling and step-down gear rotating shaft; The two ends of described two grades of axles are all arranged on speed change casing by bearing.
Preferably, described bearing is taper roller bearing or roller bearing, and described shaft coupling is permanent coupling.
Preferably, described spline cover is integral type structure with two grades of axles.
Preferably, described step-down gear is two fast adjustable step-down gears.
Preferably, described power switching mechanism is pneumatic power switching mechanism, and described pneumatic power switching construction comprises the piston that the cylinder body being fixed on speed change casing coordinates and the shift fork axle being fixed on piston with cylinder body.
Preferably, described cylinder body is provided with reducing valve.
Preferably, described power switching mechanism is hydraulic power switching mechanism, and described hydraulic pressure power switching construction comprises the piston that the hydraulic cylinder being fixed on speed change casing coordinates and the shift fork axle being fixed on piston with hydraulic cylinder.
Preferably, described hydraulic cylinder is provided with surplus valve.
Preferably, the sensor for detecting shift fork axle position is also comprised.
Advantageous Effects of the present utility model is: the utility model is by the reduction ratio of conversion multi-speed change device, the processing of big fine module gear can be adapted to, main shaft high and low rotating speed can be adapted to so that motor always constant near rated output machining, ensure that the maximum working (machining) efficiency of knife rest.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or can be instructed from practice of the present utility model. Target of the present utility model and other advantages can be realized by specification sheets below and obtain.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is done preferred detailed description, wherein:
Fig. 1 is the utility model local structure schematic diagram;
Reference numeral: 1-motor; 2-multi-speed change device; 3-step-down gear; 4-speed change casing; 5-one-level axle; 6-bis-grades of axles; 7-gear I; 8-gear II; 9-gear III; 10-gear IV; 11-spline cover; 12-power switching mechanism; 13-fork axle; 14-fork; 15-sensor; 16-shaft coupling.
Embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail; It is to be understood that preferred embodiment is only in order to illustrate the utility model, instead of in order to limit protection domain of the present utility model.
As shown in Figure 1, a kind of hobbing knife rest possessing invariable power adjustable function in a big way that the utility model provides, comprise motor 1 and with multi-speed change device 2, it is provided with step-down gear 3 between described motor 1 and multi-speed change device 2, described multi-speed change device is 4 grades or 5 grades of variators, the change gear mechanism comprise speed change casing 4, being arranged in speed change casing 4 and power switching mechanism 12, described change gear mechanism is two grades of change gear mechanisms, comprises one-level axle 5 and parallel with one-level axle 5 two grades of axles 6; One end of described one-level axle 5 is arranged on speed change casing 4 by bearing, and its other end is connect admittedly by shaft coupling 16 and step-down gear 3 rotating shaft, which is provided with the gear I 7 of heavy keying fit and gear II 8, and described gear I 7 modulus is less than gear II 8 modulus; The two ends of described two grades of axles 6 are all arranged on speed change casing 4 by bearing, which is provided with the spline of heavy keying fit cover 11, described spline cover 11 is provided with the gear III 9 and gear IV 10 that are rotatably assorted and can slide along its axial direction due, described gear IV 10 connects admittedly with gear III 9, make it can follow gear III 9 to axially move, its modulus is less than gear III 9 modulus and between gear I 7 modulus and gear II 8 modulus, described gear III 9 modulus is greater than gear II 8 modulus; Described power switching mechanism 12 comprises shift fork axle 13 that is parallel with two grades of axles 6 and that can move axially, and described shift fork axle 13 is provided with the shift fork 14 for handsetting gear III 9; Can be moved axially along the spline cover 11 on two grades of axles 6 by driven gear III 9 by the fork 14 on fork axle 13, engage to realize gear I 7 and gear III 9 respectively, or gear II 8 engages with gear IV 10, and make multi-speed change device transmit different transmitting ratios according to the different modulus sizes between them, the processing of big fine module gear can be adapted to, main shaft high and low rotating speed can be adapted to so that motor always constant near rated output machining, ensure that the maximum working (machining) efficiency of knife rest.
In the present embodiment, described step-down gear 3 is two fast adjustable step-down gears, convertible two transmitting ratios, form two shelves positions, then get up to form 4 positions of can transferring the files with the combination of multi-speed change device, then the rotating speed required for being adjusted to tool spindle when can switch different gear online by electrical control, its rotating speed has bigger variable range, such as 10-200 rev/min, and make motor always constant near rated output machining, ensure that the maximum working (machining) efficiency of knife rest.
In the present embodiment, described bearing adopts taper roller bearing, it is possible to carrying axis and radial loading, have Stability Analysis of Structures, intensity height, the advantage operated steadily, certainly can also adopt roller bearing in various embodiments, can achieve the above object equally. Described shaft coupling 16 adopts permanent coupling, it is possible to make the strict centering of diaxon and relative displacement does not occur at work, have structure simpler, it is easy to manufacture, and the advantage that diaxon transient speed is identical.
In the present embodiment, described two grades of axles 6 can be one-piece integrated structure, i.e. splined shaft with spline cover 11, has Stability Analysis of Structures, intensity advantages of higher.
In the present embodiment, described power switching mechanism 12 is pneumatic power switching mechanism, described pneumatic power switching construction comprises the piston (not shown) that the cylinder body (not shown) being fixed on speed change casing 4 coordinates and the shift fork axle 13 being fixed on piston with cylinder body, adopt pneumatic power switching mechanism, have simple and quick. Preferably, described cylinder body is provided with reducing valve (not shown), it is possible to fork axle 13 is operated steadily, thus ensures that gear III 9 axial slip is stablized. Certainly in various embodiments, described power switching mechanism 12 can also be hydraulic power switching mechanism, described hydraulic pressure power switching construction comprises the piston (not shown) that the hydraulic cylinder (not shown) being fixed on speed change casing 4 coordinates and the shift fork axle 13 being fixed on piston with hydraulic cylinder, adopt hydraulic power switching mechanism, have that switching power is big, stable operation. Preferably, described hydraulic cylinder is provided with surplus valve (not shown), it is possible to fork axle 13 is operated steadily, thus ensures that gear III 9 axial slip is stablized.
As the improvement of the present embodiment, also comprise the sensor 15 for detecting shift fork axle 13 position, can the displacement amount that moves axially of the reaction fork axle 13 of simple and fast, gear I 7 and the degree of engagement of gear III 9 can be ensured, or the degree of engagement of gear II 8 and gear IV 10 so that the stable transmission of multi-speed change device is reliable.
The power transfer path that the present embodiment possesses the hobbing knife rest of invariable power adjustable function in a big way has following several form:
First gear: motor 1 �� step-down gear 3 (speed) �� one-level axle 5 �� gear, I 7 �� fork axle 13 moves to left �� gear III 9 �� bis-grades of axle 6 ��... ... �� tool spindle; The span that can make tool spindle rotating speed is 10��45rad/min;
Second gear: motor 1 �� step-down gear 3 (two speed) �� one-level axle 5 �� gear, I 7 �� fork axle 13 moves to left �� gear III 9 �� bis-grades of axle 6 ��... ... �� tool spindle; The span that can make tool spindle rotating speed is 45��90rad/min;
Third gear: motor 1 �� step-down gear 3 (speed) �� one-level axle 5 �� gear, II 8 �� fork axle 13 moves to right �� gear IV 10 �� bis-grades of axle 6 ��... ... �� tool spindle; The span that can make tool spindle rotating speed is 90��145rad/min;
Fourth gear: motor 1 �� step-down gear 3 (two speed) �� one-level axle 5 �� gear, II 8 �� fork axle 13 moves to right �� gear IV 10 �� bis-grades of axle 6 ��... ... �� tool spindle; The span that can make tool spindle rotating speed is 145��200rad/min;
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although the utility model being described in detail with reference to better embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent replacement, and not departing from objective and the scope of the technical program, it all should be encompassed in the middle of right of the present utility model.
Claims (10)
1. one kind possesses the hobbing knife rest of invariable power adjustable function in a big way, comprise motor and with multi-speed change device, it is characterized in that: described multi-speed change device comprises speed change casing, the change gear mechanism that is arranged in speed change casing and power switching mechanism, described change gear mechanism is two grades of change gear mechanisms, comprises one-level axle and parallel with one-level axle two grades of axles;
Described one-level axle is provided with gear I and the gear II of heavy keying fit, and described gear I modulus is less than gear II modulus;
Described two grades of axles are provided with the spline cover of heavy keying fit, described spline puts the gear III and gear IV that are provided with and are rotatably assorted and can slide along its axial direction due, described gear IV connects admittedly with gear III, its modulus is less than gear III modulus and between gear I modulus and gear II modulus, described gear III modulus is greater than gear II modulus;
Described power switching mechanism comprises shift fork axle that is parallel with two grades of axles and that can move axially, and described shift fork axle is provided with the shift fork for handsetting gear III;
It is provided with step-down gear between described motor and multi-speed change device.
2. the hobbing knife rest possessing invariable power adjustable function in a big way according to claim 1, it is characterised in that: one end of described one-level axle is arranged on speed change casing by bearing, and its other end is connect admittedly by shaft coupling and step-down gear rotating shaft; The two ends of described two grades of axles are all arranged on speed change casing by bearing.
3. the hobbing knife rest possessing invariable power adjustable function in a big way according to claim 2, it is characterised in that: described bearing is taper roller bearing or roller bearing, and described shaft coupling is permanent coupling.
4. the hobbing knife rest possessing invariable power adjustable function in a big way according to claim 1, it is characterised in that: described spline cover is integral type structure with two grades of axles.
5. the hobbing knife rest possessing invariable power adjustable function in a big way according to claim 1, it is characterised in that: described step-down gear is two fast adjustable step-down gears.
6. the hobbing knife rest possessing invariable power adjustable function in a big way according to claim 1, it is characterized in that: described power switching mechanism is pneumatic power switching mechanism, described pneumatic power switching mechanism comprises the piston that the cylinder body being fixed on speed change casing coordinates and the shift fork axle being fixed on piston with cylinder body.
7. the hobbing knife rest possessing invariable power adjustable function in a big way according to claim 6, it is characterised in that: described cylinder body is provided with reducing valve.
8. the hobbing knife rest possessing invariable power adjustable function in a big way according to claim 1, it is characterized in that: described power switching mechanism is hydraulic power switching mechanism, described hydraulic power switching mechanism comprises the piston that the hydraulic cylinder being fixed on speed change casing coordinates and the shift fork axle being fixed on piston with hydraulic cylinder.
9. the hobbing knife rest possessing invariable power adjustable function in a big way according to claim 8, it is characterised in that: described hydraulic cylinder is provided with surplus valve.
10. according to the arbitrary described hobbing knife rest possessing invariable power adjustable function in a big way of claim 6-9, it is characterised in that: also comprise the sensor for detecting shift fork axle position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039488.3U CN205278251U (en) | 2016-01-15 | 2016-01-15 | Gear hobbing knife rest that possesses adjustable function of permanent power in in a big way |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620039488.3U CN205278251U (en) | 2016-01-15 | 2016-01-15 | Gear hobbing knife rest that possesses adjustable function of permanent power in in a big way |
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| CN205278251U true CN205278251U (en) | 2016-06-01 |
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| CN201620039488.3U Active CN205278251U (en) | 2016-01-15 | 2016-01-15 | Gear hobbing knife rest that possesses adjustable function of permanent power in in a big way |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106596591A (en) * | 2016-12-02 | 2017-04-26 | 东莞市天合机电开发有限公司 | Glass substrate detection equipment |
| CN106744542A (en) * | 2016-12-02 | 2017-05-31 | 东莞市天合机电开发有限公司 | A kind of hoisting mechanism of template detection device |
| CN106763555A (en) * | 2016-11-27 | 2017-05-31 | 苏州君丰辰电子科技有限公司 | A kind of clutch linkage device with clutch driving gear |
| CN106763556A (en) * | 2016-11-27 | 2017-05-31 | 苏州君丰辰电子科技有限公司 | Clutch linkage device with clutch driving gear |
| CN110802279A (en) * | 2019-11-28 | 2020-02-18 | 台州椒江门发机械科技有限公司 | Rack machining machine tool capable of machining multiple racks simultaneously |
| CN115750694A (en) * | 2022-10-25 | 2023-03-07 | 重庆机床(集团)有限责任公司 | Cutter frame gear shifting mechanism of large-scale numerical control gear hobbing machine |
-
2016
- 2016-01-15 CN CN201620039488.3U patent/CN205278251U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763555A (en) * | 2016-11-27 | 2017-05-31 | 苏州君丰辰电子科技有限公司 | A kind of clutch linkage device with clutch driving gear |
| CN106763556A (en) * | 2016-11-27 | 2017-05-31 | 苏州君丰辰电子科技有限公司 | Clutch linkage device with clutch driving gear |
| CN106596591A (en) * | 2016-12-02 | 2017-04-26 | 东莞市天合机电开发有限公司 | Glass substrate detection equipment |
| CN106744542A (en) * | 2016-12-02 | 2017-05-31 | 东莞市天合机电开发有限公司 | A kind of hoisting mechanism of template detection device |
| CN106744542B (en) * | 2016-12-02 | 2019-01-04 | 泉州市巨作贸易有限公司 | A kind of hoisting mechanism of template detection device |
| CN106596591B (en) * | 2016-12-02 | 2019-05-10 | 内蒙古中森智能终端技术研发有限公司 | A kind of glass substrate detection device |
| CN110802279A (en) * | 2019-11-28 | 2020-02-18 | 台州椒江门发机械科技有限公司 | Rack machining machine tool capable of machining multiple racks simultaneously |
| CN110802279B (en) * | 2019-11-28 | 2020-10-30 | 徐州金沙滩机床配件有限公司 | Rack machining machine tool capable of machining multiple racks simultaneously |
| CN115750694A (en) * | 2022-10-25 | 2023-03-07 | 重庆机床(集团)有限责任公司 | Cutter frame gear shifting mechanism of large-scale numerical control gear hobbing machine |
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