CN205342664U - Numerical control machine tool - Google Patents
Numerical control machine tool Download PDFInfo
- Publication number
- CN205342664U CN205342664U CN201521104637.1U CN201521104637U CN205342664U CN 205342664 U CN205342664 U CN 205342664U CN 201521104637 U CN201521104637 U CN 201521104637U CN 205342664 U CN205342664 U CN 205342664U
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- indexing
- machine tool
- control machine
- spindle
- motor
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Abstract
The utility model discloses a numerical control machine tool, including the fourth axle, the fourth hub connection has an indexing means, and indexing means includes box, bearing and indexing spindle, and the indexing spindle passes through the bearing and rotates and connects in the box, and the indexing spindle passes the box, and the box outside is extended to front end and the rear end of indexing spindle, still is provided with in the box and directly drives the motor, directly drives the motor drive indexing spindle and rotates, still includes the angle encoder, the angle encoder with drive directly that the motor is electric to be connected. Owing to directly drive the motor setting in indexing means's inside, can reduce in the lathe motor and indexing means's occupation space, directly drive motor direct drive indexing spindle, reduced transmission structure's such as traditional gear and worm gear wearing and tearing, realized fragmentary transmission between motor and the load, intelligent use angle encoder is independently controlled and is directly driven the motor, can realize controlling accurately, has improved work efficiency and economic benefits greatly.
Description
Technical field
This utility model relates to machine tool technology field, is specifically related to a kind of Digit Control Machine Tool.
Background technology
Generally CNC milling machine or machining center have tri-basic axles of X, Y, Z, other rotates, feed shaft is the 4th axle, 4th axle can realize tool magazine location, rotary table, dividing head rotation location, the system of higher level can also carry out interpolation operation with basic axle, it is achieved four axles, five-axle linkage.General Polyhedron processing, the processing such as four faces of turbine type pressure resisting machine housing, groove can be completed by the 4th axle dividing head function, and clamped one time just can complete multiple working procedure, and its machining accuracy, efficiency are able to significant raising.The dividing movement of general NC dividing head is that servomotor drives one group of worm and gear by shaft coupling, so that dividing head rotary index.Owing to there is inter-lobe clearance in tradition dividing head worm-and-wheel gear transmission, causing that the precision of calibration is not high, and worm screw rotates a few, worm gear just turns an angle, and calibration efficiency is low.This type of belt drive inevitably has bigger abrasion, and the precision that the processing and manufacturing of inside worm and gear and end-toothed disc has comparison strict is asked, its processing is complex, and rotating speed is slow, drive the feedback response time longer, additionally, motor and dividing head can compare the space taking lathe, bring inconvenience sometimes and reduce work efficiency.
Summary of the invention
There is above-mentioned technical problem for prior art, this utility model provides a kind of calibration efficiency height, machining accuracy height, servo response is fast and reduces the Digit Control Machine Tool that indexing means takes up room.
For achieving the above object, this utility model provides techniques below scheme:
A kind of Digit Control Machine Tool is provided, including the 4th axle, 4th axle is connected to indexing means, and indexing means includes casing, bearing and indexing spindle, and indexing spindle is rotationally connected with casing by bearing, indexing spindle traverse casing, the front-end and back-end of indexing spindle are extended outside casing, are additionally provided with direct driving motor in casing, and direct driving motor drives indexing spindle to rotate, also including angular encoder, angular encoder electrically connects with direct driving motor.
Preferably, direct driving motor includes support, rotor and stator, and rotor is fixing with described indexing spindle to be connected, and described stator is connected with support, and support is fixing with casing to be connected.
Preferably, bearing is three row's cylinder combination bearing or radial roller bearings.
Preferably, the front-end and back-end of indexing spindle are connected with box sealing, and rotating shaft is provided with labyrinth seal structure.
Preferably, also including encoder support, angular encoder is fixed on bed piece by encoder support.
Preferably, the air pressure clamping device for indexing means being fixed on bed piece is also included.
Preferably, indexing means employing bolt and bed piece are fixed and are connected, and bolt is provided with at least four.
Preferably, direct driving motor is set to AC servo motor.
Preferably, indexing means is additionally provided with the retaining mechanism of locking indexing spindle, and retaining mechanism is hydraulic locking mechanism or pneuma-lock mechanism.
Preferably, the magneto electrically connected with direct driving motor is also included.
Preferably, direct driving motor is inner rotor core or outer-rotor structure.
The beneficial effects of the utility model:
A kind of Digit Control Machine Tool of the present utility model, including the 4th axle, 4th axle is connected to indexing means, and indexing means includes casing, bearing and indexing spindle, and indexing spindle is rotationally connected with casing by bearing, indexing spindle traverse casing, the front-end and back-end of indexing spindle are extended outside casing, are additionally provided with direct driving motor in casing, and direct driving motor drives indexing spindle to rotate, also including angular encoder, angular encoder electrically connects with direct driving motor.The inside of indexing means it is arranged on, it is possible to reduce taking up room of motor and indexing means in lathe, need to vacate more space for production and processing owing to being used for the direct driving motor that drives；And direct driving motor directly drives indexing spindle, decrease the abrasion of the drive mechanism such as conventional gears and worm and gear, between motor and load, achieve Zero-drive Chain, decrease lathe and wear and tear thus reducing maintenance maintenance number of times；And directly drive relatively simple for structure, degree of accuracy is also higher, by reasonable employment angular encoder, independently controlled direct driving motor, it is possible to achieve accurately control, substantially increases work efficiency and economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Digit Control Machine Tool of the present utility model.
Accompanying drawing labelling:
4th axle 1；
Indexing means 2；
Indexing spindle 3；
Angular encoder 4；
Encoder support 5.
Detailed description of the invention
Below in conjunction with specific embodiment and accompanying drawing, this utility model is described in detail.
A kind of Digit Control Machine Tool of the present embodiment, as it is shown in figure 1, include the 4th axle 1 of bed piece, the 4th axle 1 is connected to indexing means 2, indexing means 2 includes casing, bearing and indexing spindle 3, indexing spindle 3 is rotationally connected with casing by bearing, and indexing spindle 3 is through casing, and the front-end and back-end of indexing spindle 3 are extended outside casing, direct driving motor it is additionally provided with in casing, direct driving motor drives indexing spindle 3 to rotate, and also includes angular encoder 4, and angular encoder 4 electrically connects with direct driving motor.Direct driving motor includes support, rotor and stator, and rotor is fixing with described indexing spindle to be connected, and described stator is connected with support, and support is fixing with casing to be connected.The Main Function of angular encoder 4 is the position by monitor in real time indexing spindle 3, and the conducting changing the IGCT within direct driving motor in position changes the flow direction of electric current, so that motor magnetic gap produces rotating excitation field, carry out drive motor rotor rotational movement with this.Also including encoder support 5, angular encoder 4 is fixed on the 4th axle 1 of bed piece by encoder support 5.Compared with prior art, this utility model is arranged on the inside of indexing means 2 owing to being used for the direct driving motor that drives, it is possible to reduces taking up room of motor and indexing means 2 in lathe, needs to vacate more space for production and processing；And direct driving motor directly drives indexing spindle 3, decrease the abrasion of the drive mechanism such as conventional gears and worm and gear, between motor and load, achieve Zero-drive Chain, decrease lathe and wear and tear thus reducing maintenance maintenance number of times；And directly drive relatively simple for structure, degree of accuracy is also higher, by reasonable employment angular encoder 4, independently controlled direct driving motor, it is possible to achieve accurately control, substantially increases work efficiency and economic benefit.
In the present embodiment, bearing is three row's cylinder combination bearing or radial roller bearings, and three arrange high accuracy and the high single bearing feature of rigidity major diameter that cylinder combination bearings are somebody's turn to do, and makes rotor adopt single bearings to be possibly realized, thus significantly reducing its axial dimension；And its two-way axial load and additional radial load and mounting torque of bearing of energy of radial roller bearing, it is particularly suitable for bearing big tilting moment, there is higher running accuracy.Both bearings and calibration bearing matching very, other bearing then usually can not meet demand, occurs that deviation affects machining accuracy.
In the present embodiment, the front-end and back-end of indexing spindle 3 are connected with box sealing, and rotating shaft is provided with labyrinth seal structure, it is possible to effectively prevent dust scrap from entering in casing, and it is properly functioning to affect rotor.
In the present embodiment, indexing means 2 can various ways be fixed, in order to indexing means 2 is firmly secured at the 4th axle 1 of bed piece, it is possible to selects air pressure clamping device, for indexing means 2 being fixed on the 4th axle 1 of bed piece.Or indexing means 2 adopts that the 4th axle 1 of bolt and bed piece is fixing to be connected, bolt is provided with at least four.So not only can meeting stably fixing needs, and be easier to remove and install, indexing means 2 may be used for different lathes, improves service efficiency.
In the present embodiment, indexing means 2 is additionally provided with the retaining mechanism of locking indexing spindle 3, and retaining mechanism is hydraulic locking mechanism or pneuma-lock mechanism, and the locking of indexing spindle 3 is dependent on hydraulic pressure or pneumatic completes, but also it being provided with Hydraulic Station or gas station, the locking for indexing means 2 provides safeguard.
In the present embodiment, also including the magneto electrically connected with direct driving motor, permanent magnet rotor structure eliminates the mechanical loss of friction between exciting power and carbon brush, the slip ring produced needed for rotor field so that magneto-electric generator efficiency greatly improves.Arranging magneto by direct driving motor, form a total system, controllability is strong.Direct driving motor is inner rotor core or outer-rotor structure, preferentially selects external rotor electric machine.The stator of direct driving motor and the outer ring of bearing are coaxially mounted on casing, and the coaxial processing of two installed surfaces ensure that axiality and the gap uniformity of stator and rotor.
Finally should be noted that; above example is only in order to illustrate the technical solution of the utility model; but not the restriction to this utility model protection domain; although having made to explain to this utility model with reference to preferred embodiment; it will be understood by those within the art that; the technical solution of the utility model can be modified or equivalent replacement, without deviating from the spirit and scope of technical solutions of the utility model.
Claims (10)
1. a Digit Control Machine Tool, it is characterized in that: include the 4th axle, described 4th axle is connected to indexing means, described indexing means includes casing, bearing and indexing spindle, described indexing spindle is rotationally connected with described casing by bearing, the described indexing spindle described casing of traverse, the front-end and back-end of described indexing spindle are extended outside described casing, it is additionally provided with direct driving motor in described casing, described direct driving motor drives described indexing spindle to rotate, also including angular encoder, described angular encoder electrically connects with described direct driving motor.
2. a kind of Digit Control Machine Tool according to claim 1, is characterized in that: described direct driving motor includes support, rotor and stator, and described rotor is fixing with described indexing spindle to be connected, and described stator is connected with described support, and described support is fixing with described casing to be connected.
3. a kind of Digit Control Machine Tool according to claim 1, is characterized in that: described bearing is three row's cylinder combination bearing or radial roller bearings.
4. a kind of Digit Control Machine Tool according to claim 2, is characterized in that: the front-end and back-end of described indexing spindle are connected with described box sealing, and described indexing spindle is provided with labyrinth seal structure.
5. a kind of Digit Control Machine Tool according to claim 1 or 3, is characterized in that: also include encoder support, and described angular encoder is fixed on the lathe bed of lathe by described encoder support.
6. a kind of Digit Control Machine Tool according to claim 4, is characterized in that: also include the air pressure clamping device of lathe bed for described indexing means being fixed on lathe.
7. a kind of Digit Control Machine Tool according to claim 4, is characterized in that: described indexing means employing bolt is fixing with the lathe bed of lathe to be connected, and described bolt is provided with at least four.
8. a kind of Digit Control Machine Tool according to claim 5, is characterized in that: described direct driving motor is set to AC servo motor.
9. a kind of Digit Control Machine Tool according to claim 5, is characterized in that: described indexing means is additionally provided with the retaining mechanism locking described indexing spindle, and described retaining mechanism is hydraulic locking mechanism or pneuma-lock mechanism.
10. a kind of Digit Control Machine Tool according to claim 8, is characterized in that: also include the magneto electrically connected with described direct driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104637.1U CN205342664U (en) | 2015-12-28 | 2015-12-28 | Numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521104637.1U CN205342664U (en) | 2015-12-28 | 2015-12-28 | Numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205342664U true CN205342664U (en) | 2016-06-29 |
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ID=56170872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521104637.1U Expired - Fee Related CN205342664U (en) | 2015-12-28 | 2015-12-28 | Numerical control machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205342664U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078244A (en) * | 2016-07-23 | 2016-11-09 | 惠州华数控技术研究院有限公司 | A kind of indexing table automatic for lathe |
| CN110482840A (en) * | 2019-08-20 | 2019-11-22 | 河北陆源科技有限公司 | The straight indexing driving device of vertical tube bottle-making machine and grading method |
-
2015
- 2015-12-28 CN CN201521104637.1U patent/CN205342664U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078244A (en) * | 2016-07-23 | 2016-11-09 | 惠州华数控技术研究院有限公司 | A kind of indexing table automatic for lathe |
| CN110482840A (en) * | 2019-08-20 | 2019-11-22 | 河北陆源科技有限公司 | The straight indexing driving device of vertical tube bottle-making machine and grading method |
| CN110482840B (en) * | 2019-08-20 | 2023-07-14 | 河北陆源科技有限公司 | Direct indexing type driving device and indexing method for vertical tube bottle making machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20171228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |