CN212309689U - Grinding roller direct-driving device of flour mill - Google Patents
Grinding roller direct-driving device of flour mill Download PDFInfo
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- CN212309689U CN212309689U CN202020697580.5U CN202020697580U CN212309689U CN 212309689 U CN212309689 U CN 212309689U CN 202020697580 U CN202020697580 U CN 202020697580U CN 212309689 U CN212309689 U CN 212309689U
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Abstract
The utility model discloses a grinding roller direct-drive device of a flour mill, which comprises two groups of hollow direct-drive power motors, wherein each hollow direct-drive power motor is electrically connected with a control system respectively, and the output ends of the two groups of hollow direct-drive power motors are connected with a fast roller grinding roller and a slow roller grinding roller respectively through a rotor connecting mechanism; stator fixing and damping units are respectively arranged between the fast roller grinding roller and the slow roller grinding roller and the corresponding hollow direct-drive power motors. The utility model discloses a rotor coupling mechanism realizes the fixed reliable connection of motor and grinding roller, absorbs motor drive's reaction force and vibration wave through fixed damping unit. The stepless speed regulation of the grinding roller can be realized by fixing the speed ratio of the traditional high-speed and low-speed grinding roller, the speed ratio of the high-speed and low-speed grinding roller can be changed at will, and the optimal grinding effect can be ensured. The hollow direct-drive power motor is small in size, low in energy consumption and strong in overload capacity, can be arranged in the machine body, and a floor does not need to be designed for the motor independently when a powder mill is built in a factory, so that the factory cost is reduced.
Description
Technical Field
The utility model relates to a grain processing equipment technical field especially relates to a milling roller directly drives device.
Background
In the grinding driving of the high-speed roller and the low-speed roller of the pulverizer at the present stage, a three-phase asynchronous motor is used for transmitting power through a triangular belt, the high-speed roller drives the low-speed roller through a speed reduction transmission system, the speed ratio is fixed, the optimal speed ratio adjustment cannot be carried out on the high-speed roller and the low-speed roller according to the process requirements, and the phenomenon of rotation loss exists in the traditional system. And the three-phase asynchronous motor is large in size, low in efficiency and high in power consumption, can not be arranged inside a pulverizer body, and can only be arranged outside the pulverizer body, so that a motor layer is required to be added for a driving motor by a powder mill during civil engineering of a factory, and the capital construction cost and the floor height are greatly increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a milling machine grinding roller directly drives device solves the technical problem who exists among the above-mentioned background art.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a grinding roller direct-drive device of a flour mill, which comprises two groups of hollow direct-drive power motors, wherein each hollow direct-drive power motor is electrically connected with a control system, and the output ends of the two groups of hollow direct-drive power motors are respectively connected with a fast roller grinding roller and a slow roller grinding roller through a rotor connecting mechanism; stator fixing and damping units are respectively arranged between the fast roller grinding roller and the slow roller grinding roller and the corresponding hollow direct-drive power motors.
Further, the rotor connecting mechanism is specifically set to be fixedly sleeved on taper sleeves on the fast roller grinding roller and the slow roller grinding roller, and is connected with the output end of the hollow direct-drive power motor through a plurality of first screws.
Furthermore, each stator fixed damping unit comprises a motor end damping flange fixedly connected with the shell of the hollow direct-drive power motor and a grinding roller supporting end flange connected with a grinding roller supporting bearing seat at the end part of the fast roller grinding roller and the slow roller grinding roller, and a plurality of unit damping blocks are uniformly arranged between the motor end damping flange and the grinding roller supporting end flange.
And furthermore, the motor end damping flange is fixedly connected with the corresponding shell of the hollow direct-drive power motor through a plurality of second screws.
Still further, the grinding roller supporting end flange is fixedly connected with the corresponding grinding roller supporting bearing seat through a plurality of third screws which respectively penetrate through each unit damping block.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses a cavity directly drives power motor and realizes the fixed reliable connection of motor and grinding roller through rotor coupling mechanism as power take off, absorbs motor drive's reaction force and vibration wave through fixed damping unit. The stepless speed regulation of the grinding roller can be realized by fixing the speed ratio of the traditional high-speed and low-speed grinding roller, the speed ratio of the high-speed and low-speed grinding roller can be changed at will, and the optimal grinding effect can be ensured. The hollow direct-drive power motor is small in size, low in energy consumption and strong in overload capacity, can be arranged in the machine body, and a floor does not need to be designed for the motor independently when a powder mill is built in a factory, so that the factory cost is reduced. The utility model discloses can subtract the change equipment structure, replace fast and slow roller speed ratio drive wheel and tensioning structure device, improve transmission efficiency, reduce the drive belt loss.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the explosion structure of the connecting end of the present invention;
FIG. 3 is a schematic view of the connecting end assembly structure of the present invention;
description of reference numerals: 1. a hollow direct-drive power motor; 2. a rotor connection mechanism; 3. a fast roll grinding roll; 4. a slow roll grinding roll; 5. a stator fixed damping unit; 6. a first screw; 7. a motor-end damping flange; 8. the grinding roller supports the bearing seat; 9. a grinding roller support end flange; 10. a unit damping block; 11. a second screw; 12. and a third screw.
Detailed Description
As shown in fig. 1-3, a grinding roller direct-drive device for a pulverizer comprises two sets of hollow direct-drive power motors 1, each hollow direct-drive power motor 1 is electrically connected with a separate control system, in this embodiment, the control system specifically uses a PLC programmable logic controller, and realizes stepless speed regulation of the rotation speed of the grinding roller through a control program preset in the control system.
Two sets of cavity directly drive the output of driving motor 1 and be connected with fast roller grinding roller 3 and slow roller grinding roller 4 respectively through rotor coupling mechanism 2, rotor coupling mechanism 2 specifically sets up to fixed the cover and locates fast roller grinding roller 3 with the taper sleeve on the slow roller grinding roller 4, it is connected through a plurality of first screws 6 with the output of cavity directly drives driving motor 1.
Stator fixed damping units 5 are respectively arranged between the fast roller grinding roller 3 and the slow roller grinding roller 4 and the corresponding hollow direct-drive power motor 1, and reaction force and vibration wave driven by the motors are absorbed through the fixed damping units 5.
Each stator fixed damping unit comprises a motor end damping flange 7 fixedly connected with the shell of the hollow direct-drive power motor 1 and a grinding roller supporting end flange 9 connected with a grinding roller supporting bearing seat 8 at the end part of the fast roller grinding roller 3 and the slow roller grinding roller 4, and a plurality of unit damping blocks 10 are uniformly arranged between the motor end damping flange 7 and the grinding roller supporting end flange 9. The motor end damping flange 7 is fixedly connected with the corresponding shell of the hollow direct-drive power motor 1 through a plurality of second screws 11; the grinding roller supporting end flange 9 is fixedly connected with the corresponding grinding roller supporting bearing seat 8 through a plurality of third screws 12 which respectively penetrate through the unit damping blocks 10.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. The utility model provides a milling machine grinding roller directly drives device which characterized in that: the grinding device comprises two groups of hollow direct-drive power motors (1), wherein each hollow direct-drive power motor (1) is electrically connected with a control system, and the output ends of the two groups of hollow direct-drive power motors (1) are respectively connected with a fast roller grinding roller (3) and a slow roller grinding roller (4) through a rotor connecting mechanism (2); stator fixed damping units (5) are respectively arranged between the fast roller grinding roller (3) and the slow roller grinding roller (4) and the corresponding hollow direct-drive power motor (1).
2. A mill grinding roller direct drive device as claimed in claim 1, characterized in that: the rotor connecting mechanism (2) is specifically set to be fixedly sleeved on taper sleeves on the fast roller grinding roller (3) and the slow roller grinding roller (4), and is connected with the output end of the hollow direct-drive power motor (1) through a plurality of first screws (6).
3. A mill grinding roller direct drive device as claimed in claim 1, characterized in that: each stator fixed damping unit comprises a motor end damping flange (7) fixedly connected with a shell of the hollow direct-drive power motor (1) and a grinding roller supporting end flange (9) connected with a grinding roller supporting bearing seat (8) at the end part of the fast roller grinding roller (3) and the slow roller grinding roller (4), and a plurality of unit damping blocks (10) are uniformly arranged between the motor end damping flange (7) and the grinding roller supporting end flange (9).
4. A mill grinding roller direct drive device as claimed in claim 3, characterized in that: the motor end damping flange (7) is fixedly connected with the corresponding shell of the hollow direct-drive power motor (1) through a plurality of second screws (11).
5. A mill grinding roller direct drive device as claimed in claim 3, characterized in that: the grinding roller supporting end flange (9) is fixedly connected with the corresponding grinding roller supporting bearing seat (8) through a plurality of third screws (12) which respectively penetrate through the unit damping blocks (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020697580.5U CN212309689U (en) | 2020-04-30 | 2020-04-30 | Grinding roller direct-driving device of flour mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020697580.5U CN212309689U (en) | 2020-04-30 | 2020-04-30 | Grinding roller direct-driving device of flour mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212309689U true CN212309689U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020697580.5U Active CN212309689U (en) | 2020-04-30 | 2020-04-30 | Grinding roller direct-driving device of flour mill |
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| Country | Link |
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| CN (1) | CN212309689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346692A (en) * | 2020-04-30 | 2020-06-30 | 中粮工程装备（张家口）有限公司 | Grinding roller direct-driving device of flour mill |
-
2020
- 2020-04-30 CN CN202020697580.5U patent/CN212309689U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111346692A (en) * | 2020-04-30 | 2020-06-30 | 中粮工程装备（张家口）有限公司 | Grinding roller direct-driving device of flour mill |
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