CN114221461A - Permanent magnet differential roller press - Google Patents
Permanent magnet differential roller press Download PDFInfo
- Publication number
- CN114221461A CN114221461A CN202111646823.8A CN202111646823A CN114221461A CN 114221461 A CN114221461 A CN 114221461A CN 202111646823 A CN202111646823 A CN 202111646823A CN 114221461 A CN114221461 A CN 114221461A
- Authority
- CN
- China
- Prior art keywords
- roller
- permanent magnet
- fixed
- movable
- movable roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000005096 rolling process Methods 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 5
- 230000005389 magnetism Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000010008 shearing Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010043417 Therapeutic response unexpected Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/2713—Inner rotors the magnetisation axis of the magnets being axial, e.g. claw-pole type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
Abstract
The invention provides a permanent magnet differential roller press which comprises a rack, a movable roller, a first permanent magnet motor for driving the movable roller, a fixed roller and a second permanent magnet motor for driving the fixed roller, wherein the first permanent magnet motor drives the movable roller, the second permanent magnet motor drives the fixed roller, the movable roller and the fixed roller both rotate at a constant speed with fixed shafts, the rotating speeds are different and rotate in opposite directions, and the rotating speed of the movable roller is greater than that of the fixed roller. The technical aim is to adopt the active differential speed of the fixed roller and the movable roller to achieve the shearing, grinding and peeling effects on the materials, so that the granularity of the materials crushed by the roller press is finer and more uniform, the energy-saving yield improvement of the whole grinding system is finally realized, and the method has positive significance on the progress of the actual grinding process technology.
Description
Technical Field
The invention relates to the technical field of roller press devices, in particular to a permanent magnet differential roller press.
Background
The roller press, also known as an extrusion mill and a roller mill, is a grinding device for large-size crushed aggregates. At present, one of compression rollers is a fixed roller, the other compression roller is a movable roller, the two rollers run at the same speed and relatively run, materials are fed by an upper feeding device and are extruded and crushed by pressure provided by a hydraulic device in a gap between the two rollers, although a roller press is used as equipment with lower energy consumption in grinding equipment, the materials need to be crushed and ground through the roller press in actual use, and the materials are classified and then circulated for many times, so that the efficiency is low, and the potential of excavation is very large. Therefore, the shearing and grinding effect of the two squeezing rollers on the material by active differential speed is increased, so that the granularity of the material crushed by the roller press is finer and more uniform, the energy-saving production improvement of the whole grinding system is finally realized, and the method has positive significance for the progress of the actual grinding process technology.
Disclosure of Invention
In order to solve the technical problems, the invention provides a permanent magnet differential roller press which comprises a rack, a movable roller, a first permanent magnet motor for driving the movable roller, a fixed roller and a second permanent magnet motor for driving the fixed roller, wherein the first permanent magnet motor drives the movable roller, the second permanent magnet motor drives the fixed roller, the movable roller and the fixed roller both rotate at a constant speed with a fixed shaft, the rotating speeds are unequal and rotate in opposite directions, and the rotating speed of the movable roller is greater than that of the fixed roller.
Furthermore, the permanent magnet differential roller press also comprises a feeding device arranged on the frame, the feeding device is positioned above the rolling roller and the fixed roller, and materials enter a gap between the rolling roller and the fixed roller from the feeding device and are cut, ground and peeled.
Furthermore, the permanent magnet differential roller press also comprises a hydraulic oil cylinder arranged between the movable roller and the first permanent magnet motor and used for pushing the movable roller and adjusting the gap between the movable roller and the fixed roller.
Further, a first motor belt wheel is arranged on the first permanent magnet motor, a first driving belt wheel is arranged on the movable roller, and the first permanent magnet motor drives the first driving belt wheel to drive the movable roller through the first motor belt wheel; the second permanent magnet motor is provided with a second motor belt pulley, the fixed roller is provided with a second driving belt pulley, and the second permanent magnet motor drives the second driving belt pulley to drive the fixed roller through the second motor belt pulley.
Further, the speeds of the movable roller and the fixed roller can be adjusted in a stepless mode, and the diameters of the movable roller and the fixed roller are the same.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the scheme adopted by the invention not only has the function of extruding materials by a common roller press, but also has the shearing, grinding and peeling effects on the materials due to the active differential speed of the movable roller and the fixed roller, so that the granularity of the materials crushed by the roller press is thinner and more uniform, the energy-saving production improvement of the whole grinding system is finally realized, and the positive significance is realized on the progress of the actual grinding process technology.
2. The permanent magnet motor is adopted to directly drive the movable roller and the fixed roller, the traditional transmission mode of the motor, the coupler, the speed reducer and the torque support is replaced, the transmission mechanism of the roller press is greatly simplified, the energy loss in the transmission process is reduced, the transmission efficiency of the motor is improved, and the noise is greatly reduced.
Drawings
The above and other objects and advantages of the present invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings, in which like or similar elements are designated by like reference numerals.
FIG. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic front view of the present invention.
Description of the drawings: 1-a first permanent magnet motor, 11-a first motor belt wheel, 2-a second permanent magnet motor, 21-a second motor belt wheel, 3-a frame, 4-a feeding device, 5-a hydraulic oil cylinder, 6-a movable roller, 61-a first main shaft belt wheel, 7-a fixed roller and 71-a second main shaft belt wheel.
Detailed Description
The present invention will be described in further detail with reference to examples. The advantages and features of the present invention will become more apparent as the description proceeds. These examples are illustrative only and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
Terms such as "comprising" and "comprises" mean that, in addition to having components which are directly and explicitly stated in the description and claims, the solution of the invention does not exclude other components which are not directly or explicitly stated. In the description herein, directional terms such as "upper", "lower", "front", "rear", etc. are used, it being understood that these directional terms are relative concepts that are used for relative positional description and clarification, and that the corresponding specific orientation may vary accordingly depending on the change in orientation of the permanent magnet differential roller press.
As shown in fig. 1, the invention provides a permanent magnet differential roller press, which comprises a frame 3, a movable roller 6, a first permanent magnet motor 1 for driving the movable roller 6, a fixed roller 7, and a second permanent magnet motor 2 for driving the fixed roller 7, wherein the first permanent magnet motor 1 drives the movable roller 6, the second permanent magnet motor 2 drives the fixed roller 7, the movable roller 6 and the fixed roller 7 both perform fixed-axis uniform rotation, the rotating speeds are different and rotate in opposite directions, and the rotating speed of the movable roller 6 is greater than that of the fixed roller 7. The technical aim is to adopt the active differential speed of the fixed roller 7 and the movable roller 6 to achieve the shearing, grinding and peeling effects on the materials, so that the granularity of the materials crushed by the roller press is thinner and more uniform, the energy-saving production improvement of the whole grinding system is finally realized, and the method has positive significance on the progress of the actual grinding process technology.
In this embodiment, the permanent magnet differential roller press further comprises a feeding device arranged on the frame 3, the feeding device is positioned above the rolling roller and the fixed roller 7, and the material enters a gap between the rolling roller and the fixed roller 7 from the feeding device and is sheared and peeled. The material feeding device not only provides a passage for materials to enter between the rolling roller and the fixed roller 7, but also is provided with an adjusting device for adjusting the size of material flow, and the adjusting device can adjust the size of the material flow according to different production processes, so that the blockage situation is avoided. The adjusting device is an adjusting plate arranged on the inner sides of the two opposite side walls of the feeding device, and the size of a feed inlet in the feeding device 4 can be adjusted by changing the inclination angle of the adjusting plate so as to realize the size of material flow.
In this embodiment, the permanent magnet differential roller press further comprises a hydraulic cylinder 5 arranged between the movable roller 6 and the first permanent magnet motor 1, and is used for pushing the movable roller 6 and adjusting a gap between the movable roller 6 and the fixed roller 7. The adjustable movable roller 6 is arranged on the frame 3 in an adjustable mode, the hydraulic oil cylinder 5 can control the movable roller 6 to be close to or far away from the fixed roller 7, then the gap between the movable roller and the fixed roller 7 is adjusted according to different material production processes, and the hydraulic oil cylinder 5 transmits pressure to materials through the movable roller 6 and forms extrusion on the materials together with the fixed roller 7, so that the materials are crushed.
In this embodiment, the first permanent magnet motor 1 is provided with a first motor pulley 11, the movable roller 6 is provided with a first driving pulley, and the first permanent magnet motor 1 drives the first driving pulley to drive the movable roller 6 through the first motor pulley 11; the second permanent magnet motor 2 is provided with a second motor belt pulley 21, the fixed roller 7 is provided with a second driving belt pulley, and the second permanent magnet motor 2 drives the second driving belt pulley to drive the fixed roller 7 through the second motor belt pulley 21. The speed of the movable roller 6 and the speed of the fixed roller 7 can be adjusted in a stepless manner, and the diameters of the movable roller 6 and the fixed roller 7 are the same. The movable roller 6 and the fixed roller 7 both rotate at a constant speed by a fixed shaft, and rotate at different speeds in opposite directions, wherein the rotating speed of the movable roller 6 is greater than that of the fixed roller 7. The roller mill is beneficial to reducing vibration in the operation process, has a stable integral structure and a poor forming speed, and enhances the shearing, grinding and peeling effects on materials, so that the granularity of the materials crushed by the roller mill is thinner and more uniform.
All adopt permanent-magnet machine as driving motor in this embodiment, its technical objective lies in: the permanent magnet motor is used for replacing a traditional three-phase asynchronous motor, a traditional transmission mode of the motor, a coupler, a speed reducer and a torque support is replaced, the transmission mechanism of the roller press is greatly simplified, the obtained constant rotating speed is reduced, the energy loss in the transmission process is reduced, the transmission efficiency of the motor is improved, the noise is greatly reduced, and the energy-saving and good-effect characteristics are achieved.
The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only used for describing the preferred embodiments of the present invention, and do not limit the concept and scope of the present invention, and various changes and modifications made to the technical solution of the present invention by those skilled in the art without departing from the design idea of the present invention belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a permanent magnetism differential roll squeezer, includes frame, movable roll, is used for driving first permanent-magnet machine, the fixed roll of movable roll, is used for driving the second permanent-magnet machine of fixed roll, its characterized in that: the first permanent magnet motor drives the movable roller, the second permanent magnet motor drives the fixed roller, the movable roller and the fixed roller are fixed-shaft uniform-speed rotating motion, the rotating speeds are unequal and rotate in opposite directions, and the rotating speed of the movable roller is greater than that of the fixed roller.
2. The permanent magnet differential roller press according to claim 1, characterized in that: the permanent magnet differential roller press further comprises a feeding device arranged on the rack, the feeding device is positioned above the rolling roller and the fixed roller, and materials enter a gap between the rolling roller and the fixed roller from the feeding device and are sheared, ground and peeled.
3. The permanent magnet differential roller press according to claim 2, characterized in that: the permanent magnet differential roller press further comprises a hydraulic oil cylinder arranged between the movable roller and the first permanent magnet motor and used for pushing the movable roller and adjusting a gap between the movable roller and the fixed roller.
4. The permanent magnet differential roller press according to claim 3, characterized in that: the first permanent magnet motor is provided with a first motor belt wheel, the movable roller is provided with a first driving belt wheel, and the first permanent magnet motor drives the first driving belt wheel to drive the movable roller through the first motor belt wheel; the second permanent magnet motor is provided with a second motor belt pulley, the fixed roller is provided with a second driving belt pulley, and the second permanent magnet motor drives the second driving belt pulley to drive the fixed roller through the second motor belt pulley.
5. The permanent magnet differential roller press according to claim 4, characterized in that: the speed of the movable roller and the speed of the fixed roller can be adjusted in a stepless manner, and the diameters of the movable roller and the fixed roller are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111646823.8A CN114221461A (en) | 2021-12-30 | 2021-12-30 | Permanent magnet differential roller press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111646823.8A CN114221461A (en) | 2021-12-30 | 2021-12-30 | Permanent magnet differential roller press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114221461A true CN114221461A (en) | 2022-03-22 |
Family
ID=80706967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111646823.8A Pending CN114221461A (en) | 2021-12-30 | 2021-12-30 | Permanent magnet differential roller press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114221461A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4173177A (en) * | 1978-07-20 | 1979-11-06 | Davis Floyd O | Decorticator and separator for seed products |
| CN108325605A (en) * | 2018-01-31 | 2018-07-27 | 湖北环电磁装备工程技术有限公司 | The kibbler roll that no frame permanent magnet synchronous motor directly drives |
| CN109731633A (en) * | 2019-02-18 | 2019-05-10 | 镇江路机重工科技有限公司 | A kind of waste asphalt mixture flexibility crushing plant |
-
2021
- 2021-12-30 CN CN202111646823.8A patent/CN114221461A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4173177A (en) * | 1978-07-20 | 1979-11-06 | Davis Floyd O | Decorticator and separator for seed products |
| CN108325605A (en) * | 2018-01-31 | 2018-07-27 | 湖北环电磁装备工程技术有限公司 | The kibbler roll that no frame permanent magnet synchronous motor directly drives |
| CN109731633A (en) * | 2019-02-18 | 2019-05-10 | 镇江路机重工科技有限公司 | A kind of waste asphalt mixture flexibility crushing plant |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220322 |