CN202343963U - Main shaft structure of VMC - Google Patents
Main shaft structure of VMC Download PDFInfo
- Publication number
- CN202343963U CN202343963U CN2011204877705U CN201120487770U CN202343963U CN 202343963 U CN202343963 U CN 202343963U CN 2011204877705 U CN2011204877705 U CN 2011204877705U CN 201120487770 U CN201120487770 U CN 201120487770U CN 202343963 U CN202343963 U CN 202343963U
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- change
- speed
- speed gearing
- driven
- speed change
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Abstract
The utility model relates to a main shaft structure of VMC (vertical machining centre), which includes a motor, a driving gear mounted on the shaft of the motor, a transmission shaft, a driven gear, a driving speed change gear unit, a speed change executive component, a main shaft, a driven speed change gear unit and a main shaft body, wherein the driven gear is meshed with the driving gear; the driving speed change gear unit includes a plurality of driving speed change gears combined together; the speed change executive component is connected with the driving speed change gear unit; the driven speed change gear unit includes a plurality of driven speed change gears; and further, under the action of the speed change exertive component, the driving speed change gear unit slides along the axial direction of the transmission shaft, so that the meshed positions of the driving speed change gears and the driven speed change gears are switched and speed changes with various transmission ratios are realized. The main shaft structure of the VMC can change speed automatically under the control of a numerical control system, thereby not only providing strong torque at low speed but also providing stable rotation at mediate and high speed, as a result, the lathe is enabled to cover wider rotation speed output ranges.
Description
Technical field
The utility model relates to a kind of vertical machining centre, relates in particular to a kind of main axle structure of vertical machining centre.
Background technology
The existing vertical main shaft that adds the formula center normally relies on servomotor to carry out speed change.When selecting the little motor of slewing range for use, then can not adapt to the needs of rotation speed change, when selecting the big motor of slewing range for use, then torque characteristics again can be bad.
The utility model content
Therefore, the purpose of the utility model is to provide a kind of main axle structure of vertical machining centre, to satisfy rotating speed requirement and torque demand simultaneously.
For realizing above-mentioned purpose; The utility model provides a kind of main axle structure of vertical machining centre; The power transmission shaft that comprises motor, is installed in driving gear on the axle of this motor, parallels with the axle of motor, be installed in driven gear and change-speed gearing unit initiatively on this power transmission shaft, speed change execution unit, the main shaft that parallels with the axle of motor and be installed in driven change-speed gearing unit and the main shaft on this main shaft; This driven gear is meshed with driving gear; This active change-speed gearing unit is slidably mounted on this power transmission shaft; This active change-speed gearing unit comprises a plurality of active change-speed gearings that combine, and this speed change execution unit is connected with this active change-speed gearing unit, and this driven change-speed gearing unit comprises and is used for a plurality of driven change-speed gearing that is meshed with the pairing active change-speed gearing in active change-speed gearing unit respectively; Under the effect of this speed change execution unit; This active change-speed gearing unit endwisely slips along this power transmission shaft, to switch the position of engagement of active change-speed gearing and driven change-speed gearing, realizes the speed change of multiple gearratio.
Wherein, This speed change execution unit comprises stirs element and driving element; This end of stirring element is connected with active change-speed gearing unit; This other end of stirring element is connected with this driving element, and under the effect of this driving element, this is stirred element and drives initiatively change-speed gearing unit endwisely slipping along power transmission shaft.
Wherein, this is stirred element and comprises that arm reaches and this arm bar connected vertically portion, and this arm is connected with active change-speed gearing unit, and this bar portion is connected with this driving element.
Wherein, this speed change execution unit also comprises guide post, and this arm is provided with pilot hole, and this guide post is inserted in the pilot hole of this arm, moves along guide post to guide this arm.
Wherein, this driving element is a cylinder.
Wherein, Under the effect of speed change execution unit, when this active change-speed gearing unit was positioned at a primary importance, the number of teeth of the active change-speed gearing that is meshed was greater than the number of teeth of driven change-speed gearing; Main shaft is realized the speedup speed change; When this active change-speed gearing unit was positioned at a second place, the number of teeth of the active change-speed gearing that is meshed realized the deceleration speed change less than the number of teeth of driven change-speed gearing to main shaft.
The beneficial effect of the utility model: the main axle structure of the vertical machining centre of the utility model; Through at motor and be used to install between the main shaft of main shaft the change-speed gearing group of being made up of active change-speed gearing unit and driven change-speed gearing unit is set; Can under the control of digital control system, carry out fluid drive; Thereby both powerful moment of torsion can be provided when low speed, stable rotation in can when high speed, providing again makes lathe cover bigger rotating speed output area.
For further setting forth the utility model is technological means and the effect that the predetermined purpose of realization is taked; See also following detailed description and accompanying drawing about the utility model; Believe purpose, characteristic and the characteristics of the utility model; Should obtain thus going deep into and concrete understanding, yet accompanying drawing only provides reference and explanation usefulness, is not to be used for the utility model is limited.
Description of drawings
Below in conjunction with accompanying drawing, describe in detail through the specific embodiment the utility model, the technical scheme that makes the utility model and other beneficial effects is obvious.
In the accompanying drawing,
Fig. 1 is the solid assembling sketch map of main axle structure one preferred embodiment of the utility model vertical machining centre;
Fig. 2 is the side view of the main axle structure of vertical machining centre shown in Figure 1.
The specific embodiment
Like Fig. 1 and shown in Figure 2, be a preferred embodiment of the main axle structure of the utility model vertical machining centre.
The power transmission shaft 12 that the main axle structure of this vertical machining centre comprises motor 10, be installed in driving gear 11 on the axle of this motor 10, parallel with the axle of motor 10, be installed in driven gear 13 and change-speed gearing unit 14 initiatively on this power transmission shaft 12, speed change execution unit 15, the main shaft 16 that parallels with the axle of motor 10 and be installed in the driven change-speed gearing unit 17 and main shaft 18 on this main shaft 16; This driven gear 13 is meshed with driving gear 11; This active change-speed gearing unit 14 is slidably mounted on this power transmission shaft 12; This active change-speed gearing unit 14 comprises a plurality of active change-speed gearings that combine; This speed change execution unit 15 is connected with this active change-speed gearing unit 14; This driven change-speed gearing unit 17 comprises and is used for a plurality of driven change-speed gearing that is meshed with active change-speed gearing unit 14 pairing active change-speed gearings respectively; Under the effect of this speed change execution unit 15; This active change-speed gearing unit 14 endwisely slips along this power transmission shaft 12, to switch the position of engagement of active change-speed gearing and driven change-speed gearing, realizes the speed change of multiple gearratio.
This speed change execution unit 15 comprises stirs element 151 and driving element 152; This end of stirring element 151 is connected with active change-speed gearing unit 14; This other end of stirring element 151 is connected with this driving element 152; Under the effect of this driving element 152, this is stirred element 151 and drives initiatively change-speed gearing unit 14 endwisely slipping along power transmission shaft 12.
In the present embodiment, this stir element 151 comprise arm 153 and with this arm 153 bar connected vertically portion 154, this arm 153 is connected with active change-speed gearing unit 14, this bar portion 154 is connected with this driving element 152.This speed change execution unit 15 also comprises guide post 155, and this arm 153 is provided with pilot hole 156, and this guide post 155 is inserted in the pilot hole 156 of this arm 153, moves along guide post 155 to guide this arm 153, so that gear shifting operation is more stable.This driving element 152 is a cylinder, is moved to drive arm 153 by 154 motions of cylinder catch bar portion, thereby drives initiatively change-speed gearing unit 14 endwisely slipping along power transmission shaft 12.
In the present embodiment, this active change-speed gearing unit 14 comprises two initiatively change-speed gearings 141,142, and this driven change-speed gearing unit 17 correspondingly comprises two driven change-speed gearings 171,172.Wherein, the gear of this active change-speed gearing 141 is greater than the number of teeth of driven change-speed gearing 171, and the number of teeth of this active change-speed gearing 142 is less than the number of teeth of driven change-speed gearing 172.
Under the effect of speed change execution unit 15; When this active change-speed gearing unit 14 is positioned at a primary importance; When promptly initiatively change-speed gearing 141 is meshed with driven change-speed gearing 171; Since this initiatively the number of teeth of change-speed gearing 141 greater than the number of teeth of driven change-speed gearing 171, thereby this main shaft 16 is realized the speedup speed changes.When this active change-speed gearing unit 14 is positioned at a second place; When promptly initiatively change-speed gearing 142 is meshed with driven change-speed gearing 172; Since this initiatively the number of teeth of change-speed gearing 142 less than the number of teeth of this driven change-speed gearing 172, thereby this main shaft 16 is realized the deceleration speed changes.
The main axle structure of above-mentioned vertical machining centre; Through at motor and be used to install between the main shaft of main shaft the change-speed gearing group of being made up of active change-speed gearing unit and driven change-speed gearing unit is set; Can under the control of digital control system, carry out fluid drive, thereby both powerful moment of torsion can be provided when low speed; But stable rotation is provided during high speed again, makes lathe cover bigger rotating speed output area.
The above; For the person of ordinary skill of the art; Can make other various corresponding changes and distortion according to the technical scheme and the technical conceive of the utility model, and all these changes and distortion all should belong to the protection domain of the utility model accompanying Claim.
Claims (6)
1. the main axle structure of a vertical machining centre; It is characterized in that; The power transmission shaft that comprises motor, is installed in driving gear on the axle of this motor, parallels with the axle of motor, be installed in driven gear and change-speed gearing unit initiatively on this power transmission shaft, speed change execution unit, the main shaft that parallels with the axle of motor and be installed in driven change-speed gearing unit and the main shaft on this main shaft; This driven gear is meshed with driving gear; This active change-speed gearing unit is slidably mounted on this power transmission shaft; This active change-speed gearing unit comprises a plurality of active change-speed gearings that combine, and this speed change execution unit is connected with this active change-speed gearing unit, and this driven change-speed gearing unit comprises and is used for a plurality of driven change-speed gearing that is meshed with the pairing active change-speed gearing in active change-speed gearing unit respectively; Under the effect of this speed change execution unit; This active change-speed gearing unit endwisely slips along this power transmission shaft, to switch the position of engagement of active change-speed gearing and driven change-speed gearing, realizes the speed change of multiple gearratio.
2. the main axle structure of vertical machining centre as claimed in claim 1; It is characterized in that; This speed change execution unit comprises stirs element and driving element, and this end of stirring element is connected with active change-speed gearing unit, and this other end of stirring element is connected with this driving element; Under the effect of this driving element, this is stirred element and drives initiatively change-speed gearing unit endwisely slipping along power transmission shaft.
3. the main axle structure of vertical machining centre as claimed in claim 2 is characterized in that, this is stirred element and comprises that arm reaches and this arm bar connected vertically portion, and this arm is connected with active change-speed gearing unit, and this bar portion is connected with this driving element.
4. the main axle structure of vertical machining centre as claimed in claim 3 is characterized in that, this speed change execution unit also comprises guide post, and this arm is provided with pilot hole, and this guide post is inserted in the pilot hole of this arm, moves along guide post to guide this arm.
5. like the main axle structure of any described vertical machining centre in the claim 2 to 4, it is characterized in that this driving element is a cylinder.
6. the main axle structure of vertical machining centre as claimed in claim 1 is characterized in that, under the effect of speed change execution unit; When this active change-speed gearing unit is positioned at a primary importance; The number of teeth of the active change-speed gearing that is meshed realizes the speedup speed change to main shaft, when this active change-speed gearing unit is positioned at a second place greater than the number of teeth of driven change-speed gearing; The number of teeth of the active change-speed gearing that is meshed realizes the deceleration speed change less than the number of teeth of driven change-speed gearing to main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204877705U CN202343963U (en) | 2011-11-29 | 2011-11-29 | Main shaft structure of VMC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204877705U CN202343963U (en) | 2011-11-29 | 2011-11-29 | Main shaft structure of VMC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202343963U true CN202343963U (en) | 2012-07-25 |
Family
ID=46532992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204877705U Expired - Lifetime CN202343963U (en) | 2011-11-29 | 2011-11-29 | Main shaft structure of VMC |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202343963U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493607A (en) * | 2014-12-19 | 2015-04-08 | 昆山华都精工机械设备有限公司 | Two-speed gantry jig |
| CN104514867A (en) * | 2014-12-19 | 2015-04-15 | 昆山华都精工机械设备有限公司 | Horizontal double-speed gearbox |
| CN107150245A (en) * | 2016-03-02 | 2017-09-12 | 研岛实业股份有限公司 | Main shaft gearshift |
-
2011
- 2011-11-29 CN CN2011204877705U patent/CN202343963U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104493607A (en) * | 2014-12-19 | 2015-04-08 | 昆山华都精工机械设备有限公司 | Two-speed gantry jig |
| CN104514867A (en) * | 2014-12-19 | 2015-04-15 | 昆山华都精工机械设备有限公司 | Horizontal double-speed gearbox |
| CN104493607B (en) * | 2014-12-19 | 2017-06-13 | 昆山华都精工机械设备有限公司 | Gantry double speed tool |
| CN107150245A (en) * | 2016-03-02 | 2017-09-12 | 研岛实业股份有限公司 | Main shaft gearshift |
| CN107150245B (en) * | 2016-03-02 | 2019-03-15 | 研岛实业股份有限公司 | Main shaft gearshift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 523000 Guangdong Province, Dongguan City Industrial Zone Patentee after: GUANGDONG HARVEST STAR TECHNOLOGY CO., LTD. Address before: Li Wu Cun town bridge 523000 Guangdong city of Dongguan Province Li Long Road No. 192B Patentee before: Dongguan Harvest Star Mechanical Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 523000 Guangdong Province, Dongguan City Industrial Zone Patentee after: Guangdong run Star Technology Co., Ltd. Address before: 523000 Guangdong Province, Dongguan City Industrial Zone Patentee before: Guangdong Harvest Star Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
|
| CX01 | Expiry of patent term |