CN204429972U - A kind of alternating-current synchronous direct drive of torque motor formula capstan head - Google Patents
A kind of alternating-current synchronous direct drive of torque motor formula capstan head Download PDFInfo
- Publication number
- CN204429972U CN204429972U CN201420767034.9U CN201420767034U CN204429972U CN 204429972 U CN204429972 U CN 204429972U CN 201420767034 U CN201420767034 U CN 201420767034U CN 204429972 U CN204429972 U CN 204429972U
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- Prior art keywords
- rotating shaft
- capstan head
- alternating
- torque motor
- direct drive
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Abstract
The utility model relates to a kind of alternating-current synchronous direct drive of torque motor formula capstan head, and comprise upper capstan head corresponding up and down and lower capstan head, described upper capstan head and lower capstan head are fixedly connected with rotating shaft respectively, and rotating shaft is connected with supporting fuselage respectively by Connection Block; Connection Block is fixed with bearing block, is rotationally connected between rotating shaft and bearing block by bearing, rotating shaft is rotated respectively by AC permanent magnet synchronous motor Direct driver.In structure of the present utility model, upper capstan head and lower capstan head are respectively by alternating-current synchronous direct drive of torque motor, the hollow rotating shaft of motor and the rotating shaft of capstan head adopt expansion sleeve to be connected, and compared with connecting with general interference fit or key, hole and axle do not need interference fit, the requirement on machining accuracy of related fittings is low, be convenient to dismounting, and interchangeability is good, without backlass during forward and reverse rotation, without relative motion during work, transmission accuracy is high.And of the present utility modelly directly drive mode, simplify drive mechanism, reduce driving error, reduce transmission vibration and noise.
Description
Technical field
The utility model relates to the capstan head drive unit field of NC turret punch machine, particularly a kind of alternating-current synchronous direct drive of torque motor formula capstan head.
Background technology
NC turret punch machine of the prior art, as the capstan head carrying punching and mould, transmission system generally drives reductor by servomotor as power source, drive sprocket on the output shaft of reductor drives pinion assemblies by chain drive, pinion assemblies engages with the gear wheel on upper capstan head and lower capstan head respectively, realizes the synchronous axial system of upper and lower capstan head.Its weak point is: (1), transmission chain length, and transmission efficiency is low, and dynamic rate is poor, and transmission speed is restricted; (2), forward and reverse transmission, backlass cannot be eliminated; (3), for a long time use, the wearing and tearing of drive disk assembly make transmission accuracy decline; (4), the transmission of sprocket wheel chain long distance, elastic deformation affects transmission accuracy; (5) noise and vibration during drive disk assembly work is larger; (6) in order to make the patrix of upper capstan head enter in the lower nib of lower capstan head accurately, after capstan head moves to assigned address, a set of positioner must be had to locate further upper and lower capstan head, the work period is extended, operating efficiency reduces.Existing structure can not meet current Digit Control Machine Tool high speed, low noise and high-precision requirement.
Utility model content
The deficiency that the utility model exists for capstan head type of drive of the prior art, there is provided a kind of simple and compact for structure, loss is low, and dynamic response is fast, precision is high, and can reduce the alternating-current synchronous direct drive of torque motor formula capstan head of the vibration & noise that transmission mechanism causes.
The purpose of this utility model realizes like this, a kind of alternating-current synchronous direct drive of torque motor formula capstan head, comprise upper capstan head corresponding up and down and lower capstan head, described upper capstan head and lower capstan head are fixedly connected with rotating shaft respectively, and described rotating shaft is connected with supporting fuselage respectively by Connection Block; Described Connection Block is fixed with bearing block, is rotationally connected between described rotating shaft and bearing block by bearing, described rotating shaft is rotated respectively by AC permanent magnet synchronous motor Direct driver.
Be connected with rotating shaft for ease of motor, described AC permanent magnet synchronous motor comprise hollow rotating shaft, with the hollow internal rotor of hollow rotating shaft periphery synchronized links, the hollow stator of internal rotor periphery and the mount pad of end, the drive end of described rotating shaft to be extended in hollow rotating shaft and is fixedly connected with hollow rotating shaft by expansion sleeve.
For ease of the fixed installation of capstan head and motor, the axle head of the rotating shaft of described upper capstan head is fixedly connected with upper capstan head, described bearing block is equipped with the rotating shaft periphery on the upside of upper capstan head, some screws that described bearing block upper end is arranged by circumference with Connection Block lower end are fixedly connected with, and the mount pad of described AC permanent magnet synchronous motor is fixedly connected with Connection Block upper end.
In order to accurately control the rotational angle of rotating shaft, ensure the transmission accuracy of rotating disk, the upper end of the drive end of described rotating shaft is stretched out above hollow rotating shaft, and axle head is provided with encoder.
In structure of the present utility model, upper capstan head and lower capstan head are respectively by alternating-current synchronous direct drive of torque motor, the hollow rotating shaft of motor and the rotating shaft of capstan head adopt expansion sleeve to be connected, and compared with connecting with general interference fit or key, hole and axle do not need interference fit, the requirement on machining accuracy of related fittings is low, be convenient to dismounting, and interchangeability is good, without backlass during forward and reverse rotation, without relative motion during work, transmission accuracy is high.And of the present utility modelly directly drive mode, simplify drive mechanism, reduce driving error, reduce transmission vibration and noise.
Accompanying drawing explanation
Fig. 1 is the structural representation of alternating-current synchronous direct drive of torque motor formula capstan head of the present utility model.
Wherein, 1 time capstan head; Capstan head on 2; 3 rotating shafts; 4 bearing blocks; 5 Connection Blocks; 6 hollow rotating shafts; 7 hollow internal rotors; 8 stators; 9 expansion sleeves; 10 encoders; 11 AC permanent magnet synchronous motors; 12 mount pads; 13 bearings.
Detailed description of the invention
As shown in Figure 1, for alternating-current synchronous direct drive of torque motor formula capstan head of the present utility model, comprise up and down capstan head and lower capstan head 1 on corresponding 2, upper capstan head 2 and lower capstan head 1 are fixedly connected with rotating shaft 3 respectively, and rotating shaft 3 is connected with supporting fuselage respectively by Connection Block 5; Connection Block 5 is fixed with bearing block 4, is rotationally connected between rotating shaft 3 and bearing block 4 by bearing 13, rotating shaft 3 is rotated respectively by AC permanent magnet synchronous motor 11 Direct driver.
Be connected with rotating shaft for ease of motor, AC permanent magnet synchronous motor 11 comprises hollow rotating shaft 6, with the hollow internal rotor 7 of hollow rotating shaft 6 periphery synchronized links, the stator 8 of hollow internal rotor periphery and the mount pad 12 of end, the drive end that axle turns 3 to be extended in hollow rotating shaft 6 and is fixedly connected with hollow rotating shaft 6 by expansion sleeve 9.For ease of the fixed installation of capstan head and motor, the lower shaft end of the rotating shaft 3 of upper capstan head 2 is fixedly connected with upper capstan head 2, bearing block 4 is equipped with rotating shaft 3 periphery on the upside of upper capstan head 2, some screws that bearing block 4 upper end is arranged by circumference with Connection Block 5 lower end are fixedly connected with, and the mount pad 12 of alternating-current synchronous torque motor is fixedly connected with Connection Block 5 upper end.For ease of monitoring the rotational angle of rotating shaft, the upper end of the drive end of rotating shaft 3 is stretched out above hollow rotating shaft 6, and axle head is provided with encoder 10.
In structure of the present utility model, upper capstan head 2 and lower capstan head 1 directly drive respectively by AC permanent magnet synchronous motor 11, the hollow rotating shaft 6 of motor adopts expansion sleeve 9 to be connected with the rotating shaft 3 of capstan head, and compared with connecting with general interference fit or key, hole and axle do not need interference fit, the requirement on machining accuracy of related fittings is low, be convenient to dismounting, and interchangeability is good, without backlass during forward and reverse rotation, without relative motion during work, transmission accuracy is high.And of the present utility modelly directly drive mode, simplify drive mechanism, reduce driving error, reduce transmission vibration and noise.
Claims (4)
1. an alternating-current synchronous direct drive of torque motor formula capstan head, comprise upper capstan head corresponding up and down and lower capstan head, described upper capstan head and lower capstan head are fixedly connected with rotating shaft respectively, and described rotating shaft is connected with supporting fuselage respectively by Connection Block; Described Connection Block is fixed with bearing block, is rotationally connected, it is characterized in that between described rotating shaft and bearing block by bearing, described rotating shaft is rotated respectively by AC permanent magnet synchronous motor Direct driver.
2. alternating-current synchronous direct drive of torque motor formula capstan head according to claim 1, it is characterized in that, described AC permanent magnet synchronous motor comprises hollow rotating shaft, with the hollow internal rotor of hollow rotating shaft periphery synchronized links, the stator of internal rotor periphery and the mount pad of end, the drive end of described rotating shaft to be extended in hollow rotating shaft and is fixedly connected with hollow rotating shaft by expansion sleeve.
3. alternating-current synchronous direct drive of torque motor formula capstan head according to claim 1, it is characterized in that, the axle head of the rotating shaft of described upper capstan head is fixedly connected with upper capstan head, described bearing block is equipped with the rotating shaft periphery on the upside of upper capstan head, some screws that described bearing block upper end is arranged by circumference with Connection Block lower end are fixedly connected with, and the mount pad of described AC permanent magnet synchronous motor is fixedly connected with Connection Block upper end.
4. alternating-current synchronous direct drive of torque motor formula capstan head according to claim 3, it is characterized in that, the upper end of the drive end of described rotating shaft is stretched out above hollow rotating shaft, and axle head is provided with encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767034.9U CN204429972U (en) | 2014-12-09 | 2014-12-09 | A kind of alternating-current synchronous direct drive of torque motor formula capstan head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767034.9U CN204429972U (en) | 2014-12-09 | 2014-12-09 | A kind of alternating-current synchronous direct drive of torque motor formula capstan head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204429972U true CN204429972U (en) | 2015-07-01 |
Family
ID=53597892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420767034.9U Expired - Fee Related CN204429972U (en) | 2014-12-09 | 2014-12-09 | A kind of alternating-current synchronous direct drive of torque motor formula capstan head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204429972U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702506A (en) * | 2017-10-24 | 2018-02-16 | 黄波 | A kind of grain drying device |
-
2014
- 2014-12-09 CN CN201420767034.9U patent/CN204429972U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702506A (en) * | 2017-10-24 | 2018-02-16 | 黄波 | A kind of grain drying device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20211209 |