CN212732352U - Driving device for automatically adjusting gap between grinding roller and grinding disc - Google Patents
Driving device for automatically adjusting gap between grinding roller and grinding disc Download PDFInfo
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- CN212732352U CN212732352U CN202021172892.0U CN202021172892U CN212732352U CN 212732352 U CN212732352 U CN 212732352U CN 202021172892 U CN202021172892 U CN 202021172892U CN 212732352 U CN212732352 U CN 212732352U
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- jackscrew
- grinding roller
- vertical mill
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Abstract
The utility model discloses a drive arrangement of grinding roller and mill clearance automatically regulated, including the grinding roller, the mill, the rocking arm, the bearing frame, upright mill frame and drive assembly, drive assembly includes step motor, motor support, the shaft coupling, jackscrew axle and jackscrew fixing base, step motor fixes on motor support, motor support fixes in upright mill frame, step motor passes through the shaft coupling to be connected with jackscrew axle one end, there is the clearance between jackscrew axle and the shaft coupling shaft hole, make step motor drive jackscrew axle axially movable in the rotation process, the jackscrew axle other end is connected with the contact of rocking arm lower part, jackscrew axle and jackscrew fixing base pass through screw-thread fit connection, the jackscrew fixing base is fixed in upright mill frame; the stepping motor is controlled by a remote terminal device or a near-end processor; the near-end processor is electrically connected with the vibration measuring sensor, and the vibration measuring sensor is arranged on the side wall of the vertical mill speed reducer. The utility model discloses can guarantee the stability of vertical mill grinding according to the quick response of the grinding condition, improve grinding output.
Description
Technical Field
The utility model belongs to the technical field of vertical roller mill, especially, relate to a grinding roller and mill clearance automatically regulated's drive arrangement.
Background
The grinding process of the vertical mill is that materials are spread on a grinding disc and then are rolled by a plurality of grinding rollers to become fine finished products. The stability of the grinding process is mainly determined by the granularity of materials, the pressure of grinding rollers and the number of the grinding rollers. In actual grinding, the conditions of large distribution deviation of material particles, overlarge large particles and undersize small particles are frequently encountered; for the material, if a plurality of grinding rollers all adopt the same grinding form, and the gaps between the grinding rollers and the grinding disc are determined by the thickness of the material after grinding, the stability of the grinding process is deteriorated, the vibration is large, the pressure of the grinding rollers cannot be improved, and the yield of the vertical mill is influenced.
At present, in order to solve the problem, the grinding form of a part of grinding rollers is changed as crushing grinding, the gap between the grinding rollers and a grinding disc is changed into a fixed gap, the fixed gap is mainly used for crushing materials with larger particles, and then the materials are fully ground through the rest grinding rollers to form a finished product. The grinding form plays a positive role in improving the stability and increasing the yield in the actual grinding process. However, because the particles of the material are changed in real time, the gap between the single grinding roller and the grinding disc is difficult to meet the change of actual operation, which causes the grinding stability to be changed continuously and affects the grinding yield.
Disclosure of Invention
Problem to prior art existence, the utility model provides a grinding roller and mill clearance automatically regulated's drive arrangement has solved because the granule of material is changing in real time, and single grinding roller and mill clearance hardly satisfy actual motion's stability requirement.
The utility model is realized in such a way, the driving device for automatically adjusting the gap between the grinding roller and the grinding disc comprises the grinding roller, the grinding disc, the rocker arm, a bearing seat and a vertical mill frame, wherein the grinding roller is connected with the rocker arm, the rocker arm is hinged with the bearing seat through a central shaft, and the bearing seat is fixed on the vertical mill frame; the grinding roller grinding device is characterized by further comprising a driving assembly capable of adjusting the gap between the grinding roller and the grinding disc in real time, wherein the driving assembly comprises a stepping motor, a motor support, a coupler, a jackscrew shaft and a jackscrew fixing seat, the stepping motor is fixed on the motor support, the motor support is fixed on the vertical grinding frame, the stepping motor is connected with one end of the jackscrew shaft through the coupler, a gap is formed between the jackscrew shaft and a shaft hole of the coupler, so that the stepping motor drives the jackscrew shaft to axially move in the rotating process, the other end of the jackscrew shaft is in contact connection with the lower part of the rocker arm, the jackscrew shaft is connected with the jackscrew fixing seat through thread matching, and the jackscrew fixing seat is; the stepper motor is controlled manually by a remote terminal device or automatically by a near-end processor.
The stepping motor drives the jackscrew shaft to rotate, and the change of the gap between the grinding roller and the grinding disc is realized by jacking and loosening the lower part of the rocker arm. The stepper motor may be manually controlled by a remote terminal device on the one hand and automatically controlled by a near-end processor on the other hand.
In the above technical solution, preferably, the near-end processor is electrically connected to a vibration sensor, the vibration sensor is mounted on the vertical mill and used for measuring a vibration value of the vertical mill, and the near-end processor adjusts the forward and reverse rotation of the stepping motor according to the input vibration value of the vertical mill to realize real-time adjustment of the gap between the grinding roller and the grinding disc. When the input vertical mill vibration value is reduced to be lower than a set value, the stepping motor is driven to rotate reversely to drive the jackscrew shaft to loosen the lower part of the rocker arm, so that the gap between the grinding roller and the grinding disc is reduced.
In the above technical scheme, preferably, a motor shaft of the stepping motor is connected with the coupler through a key two, and the jackscrew shaft is connected with the coupler through a key one.
In the above technical scheme, preferably, the jackscrew fixing seat is fixed on the vertical mill frame through a bolt, and a rubber pad is arranged between the jackscrew fixing seat and the vertical mill frame.
The driving method for automatically adjusting the gap between the grinding roller and the grinding disc by adopting the driving device comprises the steps of manually inputting the number of positive and negative rotation turns and the number of rotation turns of the stepping motor through remote terminal equipment, or automatically adjusting the number of positive and negative rotation turns and the number of rotation turns of the stepping motor according to the input vibration value of the vertical mill through a near-end processor to jack up or loosen the lower part of the rocker arm, so that the adjustment of the gap between the grinding roller and the grinding disc is realized.
In the above technical solution, preferably, the specific method for automatically adjusting the stepping motor according to the input vibration value of the vertical mill by the near-end processor comprises: when the vertical mill vibration value input by the near-end processor is larger than a set value, the stepping motor is driven to rotate positively to drive the jackscrew shaft to jack up the lower part of the rocker arm, so that the gap between the grinding roller and the grinding disc is increased; when the input vibration value of the vertical mill is lower than a set value, the stepping motor is driven to rotate reversely to drive the jackscrew shaft to loosen the lower part of the rocker arm, so that the gap between the grinding roller and the grinding disc is reduced.
The utility model has the advantages of it is following and beneficial effect:
1. the utility model discloses a step motor drive jackscrew axle rotation comes jack-up and relaxs the rocking arm to clearance between adjustment grinding roller and the mill, drive assembly can be according to the grinding condition quick response, and is easy and simple to handle, and grinding stability is good.
2. The utility model discloses a step motor is just reversing according to the vertical mill shock value real-time regulation of feedback to the near-end treater, realizes the real-time regulation in clearance between grinding roller and the mill, and the real-time change of adaptable material guarantees vertical mill grinding stability, improves grinding output.
3. The utility model discloses simple structure, it is with low costs, have better popularization and application effect.
Drawings
Fig. 1 is a schematic structural diagram of a driving device for automatically adjusting a gap between a grinding roller and a grinding disc according to an embodiment of the present invention;
FIG. 2 is a top view of the fit between the edger portion and the drive assembly of FIG. 1;
fig. 3 is a side view of the fit between the edger portion and the drive assembly of fig. 1.
In the figure: 1. a grinding disc; 2. grinding the roller; 3. a rocker arm; 4. a central shaft; 5. a bearing seat; 6. a vertical mill frame; 7. a motor bracket; 8. a stepping motor; 9. a first key; 10. a second key; 11. a coupling; 12. a wire jacking shaft; 13. a rubber pad; 14. a jackscrew fixing seat; 15. a remote terminal device; 16. a near-end processor; 17. a seismic sensor; t, the gap between the grinding roller and the grinding disc.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments and accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted 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 in specific cases to those skilled in the art.
Examples
Referring to fig. 1 to 3, an embodiment of the present invention provides a driving device for automatically adjusting a gap between a grinding roller and a grinding disc, including a grinding roller 2, a grinding disc 1, a rocker arm 3, a bearing seat 5 and a vertical grinding machine frame 6, wherein the grinding roller 2 is connected with the rocker arm 3, the grinding roller 2 can rotate along its own axis, the rocker arm 3 is hinged with the bearing seat 5 through a central shaft 4, the rocker arm 3 is fixed with the central shaft 4, the central shaft 4 is hinged with the bearing seat 5, the rocker arm 3 and the central shaft 4 can rotate along the axis of the central shaft 4, and the bearing seat 5 is fixed on the vertical grinding machine frame 6; the grinding roll device is characterized by further comprising a driving assembly capable of adjusting the gap between the grinding roll 2 and the grinding disc 1 in real time, wherein the driving assembly comprises a stepping motor 8, a motor support 7, a coupler 11, a jackscrew shaft 12 and a jackscrew fixing seat 14, the stepping motor 8 is fixed on the motor support 7, the motor support 7 is fixed on the vertical mill frame 6, the stepping motor 8 is connected with one end of the jackscrew shaft 12 through the coupler 11, a gap is formed between the jackscrew shaft 12 and a shaft hole of the coupler 11, so that the stepping motor 8 drives the jackscrew shaft 12 to axially move in the rotating process, the other end of the jackscrew shaft 12 is in contact connection with the lower part of the rocker arm 3, the jackscrew shaft 12 is in threaded fit connection with the jackscrew fixing seat 14, and the jackscrew fixing seat 14 is fixed; the stepper motor 8 is controlled by manual input from a remote terminal device 15 or automatically by a near-end processor 16.
Adopt the technical scheme of the utility model, step motor 8 drives jackscrew axle 12 and rotates, through jack-up and loosen 3 lower parts of rocking arm, realizes the change in clearance between grinding roller 2 and the mill 1, and drive assembly can be according to the grinding condition quick response, and is easy and simple to handle, and grinding stability is good. The stepper motor 8 is manually input controllable via the remote terminal device 15 on the one hand and automatically controllable via the near-end processor 16 on the other hand. The near-end processor 16 is adopted to adjust the positive and negative rotation of the stepping motor 8 in real time according to the fed back vibration value of the vertical mill, so that the real-time adjustment of the gap between the grinding roller 2 and the grinding disc 1 is realized, the real-time change of materials can be adapted, the grinding stability of the vertical mill is ensured, and the grinding yield is improved. The utility model discloses simple structure, it is with low costs, have better popularization and application effect.
In a preferred embodiment, the near-end processor 16 is electrically connected with a vibration measuring sensor 17, the vibration measuring sensor 17 is installed on a side wall of the vertical mill speed reducer and used for measuring a vibration value of the vertical mill, and the near-end processor 16 adjusts the forward and reverse rotation of the stepping motor 8 according to the input vibration value of the vertical mill to realize the real-time adjustment of the gap between the grinding roller 2 and the grinding disc 1. When the vertical mill vibration value input by the near-end processor 16 is larger than a set value, the stepping motor 8 rotates positively to drive the jackscrew shaft 12 to jack the lower part of the rocker arm 3, so that the gap between the grinding roller 2 and the grinding disc 1 is increased; when the input vertical mill vibration value is reduced to be lower than a set value, the driving stepping motor 8 rotates reversely to drive the jackscrew shaft 12 to loosen the lower part of the rocker arm 3, so that the gap between the grinding roller 2 and the grinding disc 1 is reduced.
In a preferred embodiment, a motor shaft of the stepping motor 8 is connected with the coupler 11 through a second key 10, and the jackscrew shaft 12 is connected with the coupler 11 through a first key 9.
In a preferred embodiment, the jackscrew fixing seat 14 is fixed on the vertical mill frame 6 through bolts, and a rubber pad 13 is arranged between the jackscrew fixing seat 14 and the vertical mill frame 6.
The driving method for automatically adjusting the gap between the grinding roller and the grinding disc by adopting the driving device comprises the steps of manually inputting the number of positive and negative rotation turns and the number of rotation turns of the stepping motor 8 through the remote terminal equipment 15, or automatically adjusting the number of positive and negative rotation turns and the number of rotation turns of the stepping motor 8 through the near-end processor 16 according to the input vibration value of the vertical mill, so as to jack up or loosen the lower part of the rocker arm 3 and realize the adjustment of the gap between the grinding roller 2 and the grinding disc 3.
The specific method for automatically adjusting the stepping motor 8 according to the input vertical mill vibration value through the near-end processor 16 is as follows: when the vertical mill vibration value input by the near-end processor 16 is larger than a set value, the stepping motor 8 is driven to rotate positively to drive the jackscrew shaft 12 to jack the lower part of the rocker arm, so that the gap between the grinding roller 2 and the grinding disc 3 is increased; when the input vibration value of the vertical mill is lower than a set value, the stepping motor 8 is driven to rotate reversely to drive the jackscrew shaft 12 to loosen the lower part of the rocker arm 3, so that the gap between the grinding roller 2 and the grinding disc 3 is reduced.
The working principle of the utility model is as follows:
the materials are dispersed on the grinding disc and are rolled by a plurality of grinding rollers to become fine powder finished products. According to the change of the granularity of the material, the gap between part of the grinding roller 2 and the grinding disc 1 drives the jackscrew shaft 12 through the stepping motor 8 to jack up and loosen the lower part of the rocker arm 3, so that the gap between the grinding roller 2 and the grinding disc 1 can be adjusted, and part of the grinding roller can break large-particle materials. The control of the stepping motor 8 can be manually input into the forward and reverse rotation and the number of rotation turns of the stepping motor 8 through the remote terminal equipment 15 of the central control room to jack up or loosen the lower part of the rocker arm 3, so that the controllable change of the gap between the grinding roller 2 and the grinding disc 1 is realized. The near-end processor 16 can also automatically adjust the number of positive and negative rotation and rotation turns of the stepping motor 8 according to the set upper limit and lower limit of the vibration value of the vertical mill, adjust the gap between the grinding roller 2 and the grinding disc 1 in real time, and ensure that the grinding stability of the vertical mill changes within a reasonable interval.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is also possible to modify the solutions described in the foregoing embodiments or to substitute some or all of the technical features of the foregoing embodiments with equivalents, without departing from the scope of the embodiments of the present invention.
Claims (4)
1. A driving device for automatically adjusting the gap between a grinding roller and a grinding disc comprises the grinding roller, the grinding disc, a rocker arm, a bearing seat and a vertical mill frame, wherein the grinding roller is connected with the rocker arm, the rocker arm is hinged with the bearing seat through a central shaft, and the bearing seat is fixed on the vertical mill frame; the grinding roller grinding device is characterized by further comprising a driving assembly capable of adjusting the gap between the grinding roller and the grinding disc in real time, wherein the driving assembly comprises a stepping motor, a motor support, a coupler, a jackscrew shaft and a jackscrew fixing seat; the stepper motor is controlled manually by a remote terminal device or automatically by a near-end processor.
2. The driving device for automatically adjusting the gap between the grinding roller and the grinding disc as claimed in claim 1, wherein the near-end processor is electrically connected with a vibration sensor, the vibration sensor is mounted on the vertical mill and used for measuring the vibration value of the vertical mill, and the near-end processor adjusts the forward and reverse rotation of the stepping motor according to the input vibration value of the vertical mill so as to realize the real-time adjustment of the gap between the grinding roller and the grinding disc.
3. The grinding roll and disc gap automatic adjustment drive device of claim 1, wherein a motor shaft of the stepper motor is connected with the coupling through a second key, and the jackscrew shaft is connected with the coupling through a first key.
4. The driving device for automatically adjusting the gap between the grinding roller and the grinding disc as claimed in claim 1, wherein the jackscrew fixing seat is fixed on the vertical mill frame through a bolt, and a rubber pad is arranged between the jackscrew fixing seat and the vertical mill frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021172892.0U CN212732352U (en) | 2020-06-22 | 2020-06-22 | Driving device for automatically adjusting gap between grinding roller and grinding disc |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021172892.0U CN212732352U (en) | 2020-06-22 | 2020-06-22 | Driving device for automatically adjusting gap between grinding roller and grinding disc |
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| CN212732352U true CN212732352U (en) | 2021-03-19 |
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| CN202021172892.0U Active CN212732352U (en) | 2020-06-22 | 2020-06-22 | Driving device for automatically adjusting gap between grinding roller and grinding disc |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558665A (en) * | 2022-03-02 | 2022-05-31 | 南京凯盛国际工程有限公司 | External circulation vertical mill capable of detecting abrasion loss of grinding roller on line and automatically adjusting grinding roller and operation method thereof |
| CN117839815A (en) * | 2024-03-08 | 2024-04-09 | 新乡市长城机械有限公司 | Online detection device and method for thickness of vertical abrasive bed |
-
2020
- 2020-06-22 CN CN202021172892.0U patent/CN212732352U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114558665A (en) * | 2022-03-02 | 2022-05-31 | 南京凯盛国际工程有限公司 | External circulation vertical mill capable of detecting abrasion loss of grinding roller on line and automatically adjusting grinding roller and operation method thereof |
| CN117839815A (en) * | 2024-03-08 | 2024-04-09 | 新乡市长城机械有限公司 | Online detection device and method for thickness of vertical abrasive bed |
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