CN215940079U - Roller press with pre-pressing function - Google Patents
Roller press with pre-pressing function Download PDFInfo
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- CN215940079U CN215940079U CN202121664769.5U CN202121664769U CN215940079U CN 215940079 U CN215940079 U CN 215940079U CN 202121664769 U CN202121664769 U CN 202121664769U CN 215940079 U CN215940079 U CN 215940079U
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- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000001125 extrusion Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 239000000843 powder Substances 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 10
- 239000004568 cement Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a roller press with a prepressing function, which comprises a main body, a frame arranged at a feed inlet of the main body, and a plurality of feeding devices arranged on the frame, wherein the frame is also provided with a prepressing mechanism, the prepressing mechanism comprises a hydraulic cylinder fixed at the bottom of the frame, a driving roller transversely and rotatably fixed on the telescopic end of the hydraulic cylinder, a main fixed roller rotatably fixed at the bottom of the frame and arranged on the right side of the driving roller in parallel, a driving roller driving assembly arranged at the rear side of the frame and capable of driving the driving roller to rotate, and a main fixed roller driving assembly arranged at the rear side of the frame and capable of driving the main fixed roller to rotate; the utility model can effectively avoid the roller press from generating severe vibration when grinding fine powder, thereby remarkably improving the operation stability of the roller press to improve the operation rate, and effectively preventing the breakage phenomenon of key components such as foundation bolts, roll shafts and the like caused by the severe vibration of the roller press, thereby thoroughly avoiding the occurrence of serious production accidents.
Description
Technical Field
The utility model relates to a roller press with a pre-pressing function.
Background
At present, in a grinding system for preparing cement, a final grinding system consisting of a roller press, a V-shaped powder concentrator and a fine powder concentrator has the characteristics of low energy consumption, convenient operation and the like, so that the final grinding system is widely applied to the cement industry.
In a final grinding system of a roller press, a large amount of semi-finished fine powder needs to be returned to the roller press for continuous grinding, but because the fine powder contains more air, the existing roller press can generate violent vibration when grinding the fine powder, and the reason is that the air among the fine powder escapes during extrusion, so that the material layer thickness of the roller press is greatly fluctuated, the roller press can also vibrate violently besides poor operation stability and low running rate, key components such as foundation bolts, roll shafts and the like can be broken seriously, serious production accidents are further caused, and further improvement is needed.
SUMMERY OF THE UTILITY MODEL
In view of the current situation of the prior art, the technical problem to be solved by the present invention is to provide a roller press with a pre-pressing function, which can greatly reduce the fluctuation of the material layer thickness of the roller press to effectively avoid the roller press from generating severe vibration, thereby significantly improving the operation stability of the roller press to improve the operation rate and thoroughly avoiding serious production accidents.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a roller press with a prepressing function comprises a main body, a frame arranged at a feed inlet of the main body and a plurality of feeding devices arranged on the frame, and is characterized in that a prepressing mechanism is also arranged on the frame and comprises a hydraulic cylinder fixed at the bottom of the frame, a driving roller transversely and rotatably fixed on the telescopic end of the hydraulic cylinder, a main fixed roller rotatably fixed at the bottom of the frame and parallelly arranged on the right side of the driving roller, a driving roller driving assembly arranged at the rear side of the frame and capable of driving the driving roller to rotate, and a main fixed roller driving assembly arranged at the rear side of the frame and capable of driving the main fixed roller to rotate, wherein the telescopic end of the hydraulic cylinder is transversely arranged rightwards; the pre-pressing mechanism also comprises a roller seat movably arranged at the top of the frame, an auxiliary roller rotatably arranged in the roller seat and positioned above the driving roller, an auxiliary roller rotatably fixed at the top of the frame and positioned above the main fixed roller and on the right side of the auxiliary roller, and an auxiliary roller driving assembly arranged at the top of the frame and capable of driving the auxiliary roller to rotate; the top of the rack is also fixed with a side frame, the side frame is arranged on the left side of the roller seat, a plurality of compression springs which are transversely distributed are arranged between the side frame and the roller seat, two ends of each compression spring are respectively fixed on the side frame and the roller seat, and each compression spring is in a compression state so that the right side of the auxiliary roller is always pressed on the left side of the auxiliary roller.
Preferably, the outer diameter of the auxiliary roller is 0.3-0.8 times of the outer diameter of the driving roller, and the length of the auxiliary roller is equal to that of the driving roller.
Preferably, the working extrusion force of the auxiliary roller is not more than 2% of the working extrusion force of the driving roller; the linear speed of the circumferential edge when the auxiliary roller rotates is 0.5-1.5 times of that of the circumferential edge when the driving roller rotates.
Preferably, the outer diameter of the auxiliary fixed roller is 0.3-0.8 times of the outer diameter of the main fixed roller, and the length of the auxiliary fixed roller is equal to that of the main fixed roller.
Preferably, the working extrusion force of the auxiliary rollers is not more than 2% of that of the main rollers; the linear speed of the circumferential edge when the auxiliary roller rotates is 0.5-1.5 times of that of the circumferential edge when the main roller rotates.
Preferably, the vertical center distance between the auxiliary roller and the driving roller is 0.8-1.5 times of the sum of the diameters of the auxiliary roller and the driving roller.
Preferably, the vertical center distance between the auxiliary fixed roller and the main fixed roller is 0.8-1.5 times of the sum of the diameters of the auxiliary fixed roller and the main fixed roller.
Compared with the prior art, the utility model has the advantages that: the utility model can pre-extrude the air among the fine powder by means of the pre-pressing mechanism to reduce the air content of the fine powder, further greatly reduce the fluctuation of the material layer thickness of the roller press, thereby effectively avoiding the roller press from generating severe vibration when grinding the fine powder, further obviously improving the operation stability of the roller press to improve the operation rate, and effectively preventing the occurrence of the fracture phenomenon of key components such as foundation bolts, roll shafts and the like caused by the severe vibration of the roller press, thereby thoroughly avoiding the occurrence of serious production accidents.
Drawings
FIG. 1 is a front sectional view of the present invention;
fig. 2 is a top view structural diagram of the present invention.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.
As shown in fig. 1-2, a roller press with a pre-pressing function comprises a main body 12, a frame 3 arranged at a feed inlet of the main body 12, and a plurality of feeding devices 1 arranged on the frame 3, wherein the frame 3 is further provided with a pre-pressing mechanism, the pre-pressing mechanism comprises a hydraulic cylinder 8 fixed at the bottom of the frame 3, a driving roller 7 transversely and rotatably fixed at the telescopic end of the hydraulic cylinder 8, a main fixed roller 5 rotatably fixed at the bottom of the frame 3 and arranged on the right side of the driving roller 7 in parallel, a driving roller driving assembly 6 arranged at the rear side of the frame 3 and capable of driving the driving roller 7 to rotate, and a main fixed roller driving assembly 4 arranged at the rear side of the frame 3 and capable of driving the main fixed roller 5 to rotate, and the telescopic end of the hydraulic cylinder 8 is transversely arranged to the right; the pre-pressing mechanism further comprises a roller seat 13 movably arranged at the top of the rack 3, an auxiliary roller 10 rotatably arranged in the roller seat 13 and positioned above the driving roller 7, an auxiliary roller 2 rotatably fixed at the top of the rack 3 and positioned above the main fixed roller 5 and on the right side of the auxiliary roller 10, and an auxiliary roller driving assembly 11 arranged at the top of the rack 3 and capable of driving the auxiliary roller 2 to rotate; the top of the frame 3 is also fixed with a side frame 12, the side frame 12 is arranged on the left side of a roller seat 13, a plurality of compression springs 9 which are transversely distributed are arranged between the side frame 12 and the roller seat 13, two ends of each compression spring 9 are respectively fixed on the side frame 12 and the roller seat 13, and each compression spring 9 is in a compression state so that the right side of the auxiliary roller 10 is always pressed on the left side of the auxiliary roller 2.
The outer diameter of the auxiliary roller 10 is 0.3-0.8 times of the outer diameter of the driving roller 7, and the length of the auxiliary roller 10 is equal to that of the driving roller 7; the working extrusion force of the auxiliary roller 10 is not more than 2% of that of the driving roller 7; the linear velocity of the circumferential edge when the auxiliary roller 10 rotates is 0.5 to 1.5 times of the linear velocity of the circumferential edge when the driving roller 7 rotates.
The outer diameter of the auxiliary fixed roller 2 is 0.3-0.8 times of the outer diameter of the main fixed roller 5, and the length of the auxiliary fixed roller 2 is equal to that of the main fixed roller 5; the working extrusion force of the auxiliary fixed roller 2 is not more than 2% of that of the main fixed roller 5; the linear velocity of the circumferential edge of the auxiliary roller 2 is 0.5 to 1.5 times of the linear velocity of the circumferential edge of the main roller 5.
The vertical center distance between the auxiliary roller 10 and the driving roller 7 is 0.8-1.5 times of the sum of the diameters of the auxiliary roller and the driving roller.
The vertical center distance between the auxiliary fixed roller 2 and the main fixed roller 5 is 0.8-1.5 times of the sum of the diameters of the auxiliary fixed roller and the main fixed roller.
The working principle is as follows: the cement clinker, the mixed fresh materials and the circulating fine powder are fed into a feeding hole of a main body 12 through a plurality of feeding devices 1, the materials firstly fall between an auxiliary roller 10 and an auxiliary roller 2 for pre-extrusion before entering the feeding hole of the main body 12, air in the materials is pre-extruded after the pre-extrusion, the air content of the materials is greatly reduced, and the effects of stabilizing the working condition of a roller press and reducing vibration can be achieved; the pre-extruded material continuously falls between the driving roller 7 and the main fixed roller 5 for extrusion and grinding until the pre-extruded material is ground into a finished product with qualified fineness.
The utility model can pre-extrude the air among the fine powder by means of the pre-pressing mechanism to reduce the air content of the fine powder, further greatly reduce the fluctuation of the material layer thickness of the roller press, thereby effectively avoiding the roller press from generating severe vibration when grinding the fine powder, further obviously improving the operation stability of the roller press to improve the operation rate, and effectively preventing the occurrence of the fracture phenomenon of key components such as foundation bolts, roll shafts and the like caused by the severe vibration of the roller press, thereby thoroughly avoiding the occurrence of serious production accidents.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A roller press with a prepressing function comprises a main body, a frame arranged at a feed inlet of the main body and a plurality of feeding devices arranged on the frame, and is characterized in that a prepressing mechanism is also arranged on the frame and comprises a hydraulic cylinder fixed at the bottom of the frame, a driving roller transversely and rotatably fixed on the telescopic end of the hydraulic cylinder, a main fixed roller rotatably fixed at the bottom of the frame and parallelly arranged on the right side of the driving roller, a driving roller driving assembly arranged at the rear side of the frame and capable of driving the driving roller to rotate, and a main fixed roller driving assembly arranged at the rear side of the frame and capable of driving the main fixed roller to rotate, wherein the telescopic end of the hydraulic cylinder is transversely arranged rightwards; the pre-pressing mechanism also comprises a roller seat movably arranged at the top of the frame, an auxiliary roller rotatably arranged in the roller seat and positioned above the driving roller, an auxiliary roller rotatably fixed at the top of the frame and positioned above the main fixed roller and on the right side of the auxiliary roller, and an auxiliary roller driving assembly arranged at the top of the frame and capable of driving the auxiliary roller to rotate; the top of the rack is also fixed with a side frame, the side frame is arranged on the left side of the roller seat, a plurality of compression springs which are transversely distributed are arranged between the side frame and the roller seat, two ends of each compression spring are respectively fixed on the side frame and the roller seat, and each compression spring is in a compression state so that the right side of the auxiliary roller is always pressed on the left side of the auxiliary roller.
2. The roller press with the pre-pressing function according to claim 1, wherein the outer diameter of the auxiliary roller is 0.3-0.8 times of the outer diameter of the driving roller, and the length of the auxiliary roller is equal to that of the driving roller.
3. The roller press with the pre-pressing function according to claim 2, wherein the working extrusion force of the auxiliary roller is not more than 2% of the working extrusion force of the driving roller; the linear speed of the circumferential edge when the auxiliary roller rotates is 0.5-1.5 times of that of the circumferential edge when the driving roller rotates.
4. The roller press with the pre-pressing function according to claim 1, wherein the outer diameter of the auxiliary fixed roller is 0.3-0.8 times of the outer diameter of the main fixed roller, and the length of the auxiliary fixed roller is equal to that of the main fixed roller.
5. The roller press with the pre-pressing function according to claim 4, wherein the working extrusion force of the auxiliary fixed rollers is not more than 2% of the working extrusion force of the main fixed rollers; the linear speed of the circumferential edge when the auxiliary roller rotates is 0.5-1.5 times of that of the circumferential edge when the main roller rotates.
6. The roller press with the pre-pressing function according to claim 5, wherein the vertical center distance between the auxiliary roller and the driving roller is 0.8-1.5 times of the sum of the diameters of the auxiliary roller and the driving roller.
7. The roller press with the pre-pressing function according to claim 6, wherein the vertical center distance between the auxiliary fixed roller and the main fixed roller is 0.8-1.5 times of the sum of the diameters of the auxiliary fixed roller and the main fixed roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121664769.5U CN215940079U (en) | 2021-07-21 | 2021-07-21 | Roller press with pre-pressing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121664769.5U CN215940079U (en) | 2021-07-21 | 2021-07-21 | Roller press with pre-pressing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215940079U true CN215940079U (en) | 2022-03-04 |
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ID=80437760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121664769.5U Active CN215940079U (en) | 2021-07-21 | 2021-07-21 | Roller press with pre-pressing function |
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| Country | Link |
|---|---|
| CN (1) | CN215940079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368942A (en) * | 2021-07-21 | 2021-09-10 | 南京凯盛国际工程有限公司 | Roller press with pre-pressing function |
-
2021
- 2021-07-21 CN CN202121664769.5U patent/CN215940079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113368942A (en) * | 2021-07-21 | 2021-09-10 | 南京凯盛国际工程有限公司 | Roller press with pre-pressing function |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee after: Zhongcai International Intelligent Technology Co.,Ltd. Address before: 303 Hanzhongmen street, Gulou District, Nanjing City, Jiangsu Province Patentee before: NANJING KISEN INTERNATIONAL ENGINEERING Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |