Direct driving type accurate turn plate

A direct drive, precise technology, applied in the direction of large fixed members, roller bearings, electromechanical devices, etc., can solve the problems affecting the performance of the torque motor, affecting the stiffness of the torque motor, affecting the performance of the encoder, etc., to achieve easy processing and assembly, overcome Effects of vibration, good precision continuity

Inactive Publication Date: 2009-07-15
三六零安全科技股份有限公司 +2
View PDF7 Cites 65 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the thermal deformation of this type of torque motor will not directly affect the position accuracy of the worktable, and the structure is relatively simple, there will be some problems in the CNC turntable used in the machining center: 1) Vibration and impact will occur during the milling process

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Direct driving type accurate turn plate
  • Direct driving type accurate turn plate
  • Direct driving type accurate turn plate

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0032] Example: such as figure 1 As shown, a direct-drive precision turntable includes a workbench 30 and a torque motor. Such as figure 2 As shown, the torque motor includes a motor housing 8, a bearing sleeve 11, a water ring 10, a stator 6, a brake disc 3, an encoder 14, a motor cover 13, a main shaft 2, a rotor 7, and a hollow shaft 16. The workbench 30 is fixedly connected directly with the main shaft 2 of the torque motor.

[0033] Such as figure 2 As shown, the motor housing 8 is fixedly connected to the stator 6 to form a stationary part, and the main shaft 2 is fixedly connected to the rotor 7 to form a rotating part. A hollow shaft 16 is fixed at the end of the main shaft 2, and an encoder 14 is connected to the hollow shaft 16. The bearing sleeve 11 is fixedly connected with the motor housing 8 .

[0034] An arc crossed roller bearing 1 is arranged between the motor housing 8 and the main shaft 2 . Such as image 3 As shown, the arc crossed roller bearing 1...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a direct driving type precise rotating table which comprises a working table (30) and a torque motor, wherein the torque motor comprises a motor shell (8), a main shaft (2), a stator (6) and a rotor (7), the motor shell (8) is fixedly connected with the stator (6) to form a static part, the main shaft (2) is fixedly connected with the rotor (7) to form a rotating part, and the working table (30) is directly and fixedly connected with the main shaft (2) of the torque motor. Furthermore, a circular arc crossing roller bearing (1) is arranged between the motor shell (8) and the main shaft (2) and comprises an inner ring (21), two outer rings (22) and a plurality of circular arc rollers (23) arranged among of the inner ring (21) and the outer rings (22), and the circular arc rollers (23) are sequentially crossed in an angle of 90 DEG. The invention has high radial and axial load capacity, good rigidity and high motion precision and stability, and can meet the integrated requirements of serving as a high-precision digital control rotating table.

Description

technical field [0001] The invention relates to a direct-drive precision turntable. Background technique [0002] In the prior art of CNC machining centers, the motor-driven working turntable is driven by a power source through a transmission mechanism. Among them, the power source adopts a servo motor, which is regarded as an independent unit; the intermediate transmission link adopts a gear transmission, a rack and pinion transmission or a worm gear transmission. The processing accuracy requirements for gears, racks or worm gears are usually relatively high, and due to the existence of intermediate transmission links, there are shortcomings such as moment of inertia, elastic deformation, backlash, motion lag, friction, vibration, noise and wear, etc. improved processing quality. [0003] In addition, the bearing of the traditional motor adopts the cross cylindrical roller bearing structure. The bearing has high bearing capacity and good vibration resistance, and is main...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): B23Q1/25F16C19/34H02K5/173
Inventor 周宏志周明王锐刚余华王康赵万华卢秉恒
Owner 三六零安全科技股份有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap