CN210724457U

CN210724457U - DD direct drive motor driving mechanism

Info

Publication number: CN210724457U
Application number: CN201921919621.4U
Authority: CN
Inventors: 虞江; 宋轶青; 要帅兵
Original assignee: Hangzhou Yisheng Digital Technology Co ltd
Current assignee: Hangzhou Yisheng Digital Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-06-09
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a DD directly drives motor drive mechanism, including the drive shaft, install the DD of drive shaft left end through left bearing frame and directly drive the motor fixing base, install the DD on the DD directly drives the motor fixing base and install the rotary encoder at the drive shaft right-hand member through right bearing frame. The left bearing seat is clamped at the left end of the driving shaft through an inner bearing limiting cover plate and an outer bearing limiting cover plate, an angular contact bearing is arranged between the inner bearing limiting cover plate and the left bearing seat, and a framework oil seal is arranged between the left bearing seat and the DD direct drive motor fixing seat and between the inner bearing limiting cover plate and the left end of the driving shaft. The utility model discloses reduce accessory quantity between motor and the drive shaft, and can acquire and print step-by-step volume to digital printing printer printing step-by-step precision has been improved.

Description

DD direct drive motor driving mechanism

Technical Field

The utility model relates to a motor drive shaft field, concretely relates to DD directly drives motor drive mechanism.

Background

Digital printing is printing by digital technology. The digital printing technology is a high and new technology product which integrates the mechanical and computer electronic information technologies and is gradually formed along with the continuous development of the computer technology.

The appearance and continuous perfection of the technology bring a brand new concept to the textile printing and dyeing industry, and the advanced production principle and means thereof bring an unprecedented development opportunity to the textile printing and dyeing.

And the driving motor is indispensable in the digital printing equipment. The operation of the driving motor directly affects the quality of the printed product. In order to improve the printing quality, the driving motor is improved, as shown in fig. 1, a speed reducer and a coupling are additionally arranged between the rotary bearing and the driving motor, so that the power output of the driving motor can be adjusted. However, the number of processing accessories of the digital printing motor driving shaft is large in order to match with the driving motor, the accumulated error of the assembly from the servo motor to the driving shaft is too large, the defective rate of the printing products is greatly improved, the printing stepping amount has no feedback information, and the digital printing motor driving shaft cannot be invented and adjusted in time.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a DD directly drives motor-driven mechanism.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the DD direct drive motor driving mechanism comprises a driving shaft, a DD direct drive motor fixing seat arranged at the left end of the driving shaft through a left bearing seat, a DD direct drive motor arranged on the DD direct drive motor fixing seat and a rotary encoder arranged at the right end of the driving shaft through a right bearing seat.

Furthermore, the left bearing seat is clamped at the left end of the driving shaft through an inner bearing limiting cover plate and an outer bearing limiting cover plate, an angular contact bearing is arranged between the inner bearing limiting cover plate and the left bearing seat, and a framework oil seal is arranged between the left bearing seat and the DD direct drive motor fixing seat and between the inner bearing limiting cover plate and the left end of the driving shaft.

Furthermore, the right bearing seat is clamped at the right end of the driving shaft through a bearing inner limiting cover plate and a rotary encoder, an angular contact bearing is arranged between the bearing inner limiting cover plate and the right bearing seat, and a framework oil seal is arranged between the rotary encoder and the right bearing seat and between the bearing inner limiting cover plate and the right end of the driving shaft.

Furthermore, a DD direct drive motor safety cover plate is installed on the DD direct drive motor fixing seat through an expansion connecting sleeve.

The utility model discloses following beneficial effect has:

simple structure, the technique is reasonable, accessory quantity between motor and the drive shaft has been reduced, and then reduced between motor and the drive shaft at the transmission in-process, the error of production, and then reduce the defective percentage of stamp product, and can acquire and print the step amount, can carry out timely adjustment to driving motor's operation, thereby improved digital printing printer and printed step precision, in addition, rotary encoder sets up the power take off end at the drive shaft, consequently, this encoder is higher to the detected signal precision of drive shaft, and then obtain higher control accuracy through the control to the DD direct drive motor.

Drawings

Fig. 1 is a schematic structural diagram of a conventional motor driving mechanism.

Fig. 2 is a perspective view of a DD direct drive motor driving mechanism according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a DD direct drive motor driving mechanism according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view a-a of fig. 3.

In the figure: 1-a drive shaft; 2-a bearing inner limit cover plate; 3-a left bearing seat; 4-DD direct drive motor fixing seat; 5-DD direct drive motor; 6-DD direct drive motor safety cover plate; 7-expanding and tightly connecting the sleeve; 8-bearing external limit cover plate; 9-locking the nut; 10-angular contact bearings; 11-right bearing seat; 12-a rotary encoder; 13-framework oil seal.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 2-4, the embodiment of the utility model provides a DD directly drives motor drive mechanism, including drive shaft 1, install the DD that drives motor fixing base 4, install the DD that directly drives on motor fixing base 4 and drive rotary encoder 12 at the 1 right-hand member of drive shaft through right bearing frame 11 at the DD of drive shaft 1 left end through left bearing frame 3. The left bearing seat 3 is clamped at the left end of the driving shaft 1 through the bearing inner limiting cover plate 2 and the bearing outer limiting cover plate 8, an angular contact bearing 10 is arranged between the bearing inner limiting cover plate 2 and the left bearing seat 3, and a framework oil seal 13 is arranged between the left bearing seat 3 and the DD direct drive motor fixing seat 4 and between the bearing inner limiting cover plate 2 and the left end of the driving shaft 1. The right bearing seat 11 is clamped at the right end of the driving shaft 1 through a bearing inner limiting cover plate 2 and a rotary encoder 12, an angular contact bearing 10 is arranged between the bearing inner limiting cover plate 2 and the right bearing seat 11, and a framework oil seal 13 is arranged between the rotary encoder 12 and the right bearing seat 11 and between the bearing inner limiting cover plate 2 and the right end of the driving shaft 1. And a DD direct drive motor safety cover plate 6 is arranged on the DD direct drive motor fixing seat 4 through an expansion connecting sleeve 7.

The working principle of the technical scheme is as follows: rotary encoder 12 sets up the afterbody at drive shaft 1, drive shaft 1's power take off position promptly, when driving motor power transmission to drive shaft 1 tail end, there is the kinetic energy loss, consequently, it is higher to the power detection precision of drive shaft 1 output through rotary encoder 12, and then the driver is the operation of the signal control driving motor of 12 feedbacks of rotary encoder more, thereby to the great improvement of the precision of the control of the power of drive shaft 1 output, and then improved the step precision that digital printing machine printed.

This concrete implementation adopts DD to directly drive the motor direct drive main shaft, reduces accessory quantity between motor and the drive shaft, through at the terminal rotary encoder of installation of main shaft, reads step size through the terminal rotary encoder feedback of drive shaft to digital calico printing printer printing step precision has been improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

DD directly drives motor drive mechanism, its characterized in that: the direct-drive motor comprises a drive shaft (1), a DD direct-drive motor fixing seat (4) arranged at the left end of the drive shaft (1) through a left bearing seat (3), a DD direct-drive motor (5) arranged on the DD direct-drive motor fixing seat (4), and a rotary encoder (12) arranged at the right end of the drive shaft (1) through a right bearing seat (11).
2. The DD direct drive motor drive mechanism of claim 1, wherein: the left bearing seat (3) is clamped at the left end of the driving shaft (1) through the bearing inner limiting cover plate (2) and the bearing outer limiting cover plate (8), an angular contact bearing (10) is installed between the bearing inner limiting cover plate (2) and the left bearing seat (3), and a framework oil seal (13) is installed between the left bearing seat (3) and the DD direct drive motor fixing seat (4) and between the bearing inner limiting cover plate (2) and the left end of the driving shaft (1).
3. The DD direct drive motor drive mechanism of claim 1, wherein: the right bearing seat (11) is clamped at the right end of the driving shaft (1) through a bearing inner limiting cover plate (2) and a rotary encoder (12), an angular contact bearing (10) is installed between the bearing inner limiting cover plate (2) and the right bearing seat (11), and a framework oil seal (13) is installed between the rotary encoder (12) and the right bearing seat (11) and between the bearing inner limiting cover plate (2) and the right end of the driving shaft (1).
4. The DD direct drive motor drive mechanism of claim 1, wherein: a DD direct drive motor safety cover plate (6) is installed on the DD direct drive motor fixing seat (4) through an expansion connecting sleeve (7).