CN220514291U - Raw materials milling machine for cement manufacture - Google Patents
Raw materials milling machine for cement manufacture Download PDFInfo
- Publication number
- CN220514291U CN220514291U CN202322035006.XU CN202322035006U CN220514291U CN 220514291 U CN220514291 U CN 220514291U CN 202322035006 U CN202322035006 U CN 202322035006U CN 220514291 U CN220514291 U CN 220514291U
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- CN
- China
- Prior art keywords
- feed back
- fixedly connected
- filter screen
- milling machine
- machine body
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- 239000002994 raw material Substances 0.000 title claims abstract description 35
- 239000004568 cement Substances 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 23
- 238000003801 milling Methods 0.000 title claims description 32
- 238000000227 grinding Methods 0.000 claims abstract description 52
- 230000008713 feedback mechanism Effects 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims description 7
- 230000003028 elevating effect Effects 0.000 claims 1
- 238000010992 reflux Methods 0.000 abstract description 6
- 230000007246 mechanism Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 18
- 235000004237 Crocus Nutrition 0.000 description 8
- 241000596148 Crocus Species 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000010298 pulverizing process Methods 0.000 description 4
- 238000012216 screening Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model relates to the technical field of cement production grinding equipment, in particular to a raw material grinding machine for cement production, wherein two mutually matched crushing rollers are rotationally connected below a feed inlet in a grinding machine body, a first filter screen is fixedly connected below the crushing rollers, a feed back mechanism is fixedly connected on the outer side of the grinding machine body, the input end of the feed back mechanism is communicated with a feed back opening formed in the side wall of the grinding machine body, the output end of the feed back mechanism is communicated with a feed hopper, and the first filter screen is obliquely downwards arranged towards the feed back opening. According to the utility model, the first filter screen is obliquely arranged, the reflux port is arranged at the position of the lower end of the first filter screen of the pulverizer body, and the reflux mechanism is arranged, so that the oversize products with the fineness which cannot reach the standard after the first crushing and grinding can be crushed and ground again after automatically entering the feed hopper through the reflux mechanism, the oversize products on the first filter screen are not required to be cleaned manually, the working efficiency is improved, and the manual labor intensity is reduced.
Description
Technical Field
The utility model relates to the technical field of cement production grinding equipment, in particular to a raw material grinding machine for cement production.
Background
The cement is a powdery hydraulic inorganic cementing material, is slurried after being added with water and stirred, can be hardened in air or water, can firmly bond sand, stone and other materials together, and is widely applied to civil engineering, water conservancy, national defense and other engineering. The main raw materials for cement production are limestone, clay, iron ore and the like, and the raw materials can be obtained according with requirements through mining and treatment, wherein the limestone and the clay are required to be ground and sieved. And (3) processing the raw materials to proper fineness, mixing, and carrying out subsequent processes to produce the cement.
The cement raw materials crocus needs to use the milling machine, and present cement raw materials crocus only sets up a filter screen in broken crocus mechanism below, after carrying out crocus screening with the raw materials when using, the oversize material need the manual work clear up the back again throw the material and carry out broken crocus once more, and the manual work clearance filter screen can lead to raw materials crocus efficiency to reduce, and staff's intensity of labour is great moreover. Therefore, there is a need to develop a raw material mill for cement production which automatically causes oversize materials to undergo secondary crushing and grinding after primary crushing and grinding, improves the raw material grinding production efficiency, and reduces the labor intensity of workers.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the raw material pulverizer for cement production, which automatically enables oversize products to be subjected to secondary crushing and pulverizing after primary crushing and pulverizing, improves the raw material pulverizing production efficiency, reduces the labor intensity of workers, and solves the problem that the oversize products after pulverizing and screening of the conventional cement raw material pulverizer need manual treatment.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a raw materials milling machine for cement manufacture, includes the milling machine body, milling machine body top feed inlet is connected with the feeder hopper, this internal being located of milling machine the feed inlet below rotates two crushing rollers that are connected with each other, two the equal fixedly connected with intermeshing's of pivot one end of crushing roller gear, one of them the pivot one end of crushing roller with fixedly connected with in the first motor output shaft fixed connection in milling machine body outside, the first filter screen of crushing roller below fixedly connected with, milling machine body bottom discharge gate is connected with the discharging pipe, milling machine body outside fixedly connected with feed back mechanism, feed back mechanism's input with feed back mouth intercommunication, the output of seting up of milling machine body lateral wall with the feeder hopper intercommunication, first filter screen orientation the feed back mouth slope sets up downwards, first filter screen below is provided with the swash plate, the swash plate orientation the discharging pipe slope sets up downwards, through setting up, can be with the material after the crushing mill guide to the discharging pipe, makes things convenient for the ejection of compact.
Further, feed back mechanism including fixed connection in the feed back case in the milling machine body outside, the rotation is connected with auger, top fixedly connected with second motor in the feed back case, second motor output shaft with the axle fixed connection of auger can make the oversize material after the first screening stably carry to the feeder hopper through the stable conveying ability of auger, promotes the stability that the material was carried.
Further, the lower end of the feed back box is communicated with the feed back opening, and the upper end of the feed back box is communicated with the feed hopper.
Further, milling machine body external fixedly connected with lifting unit, lifting unit's output fixedly connected with fixed plate, fixedly connected with third motor on the fixed plate, the output shaft of third motor runs through fixed plate and tip fixedly connected with grinding apparatus, this internal being located of milling machine be provided with the grinding box on the discharge gate, the grinding box bottom is provided with the second filter screen, the grinding apparatus can be put into the grinding box, can carry out secondary grinding to the raw materials after the grinding is smashed for the first time, promotes the grinding effect.
Further, the lower end of the inclined plate is connected to the top of the grinding box, and the undersize materials of the primary grinding powder can be directly conveyed to the grinding box for secondary grinding.
Further, the second filter screen with the discharge gate intercommunication can guarantee the effect of secondary grinding.
Further, the lifting component is any one of a hydraulic cylinder, an electric telescopic rod and a pneumatic telescopic rod, and can drive the grinding tool to move up and down.
Further, one end of the first filter screen, which is close to the lower end of the feed back opening, is flush with the lower edge of the feed back opening, so that oversize materials of the primary crushing and grinding powder can be ensured to directly enter the feed back box.
Further, the bottom fixed mounting of milling machine body has the support, can get up the device whole support, convenient operation ejection of compact.
Further, the first motor is fixedly connected to the outer side of the mill body through the connecting frame, so that the motor can be installed more stably, and the overall running stability of the device is improved.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
according to the utility model, the first filter screen is obliquely arranged, the reflux port is arranged at the position of the lower end of the first filter screen of the pulverizer body, and the reflux mechanism is arranged, so that the oversize products with the fineness which cannot reach the standard after the first crushing and grinding can be crushed and ground again after automatically entering the feed hopper through the reflux mechanism, the oversize products on the first filter screen are not required to be cleaned manually, the working efficiency is improved, and the manual labor intensity is reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a partial enlarged view of a region a in fig. 1.
Fig. 3 is a partial top view of a crushing roller according to the utility model.
Fig. 4 is a top view of a portion of a polishing cartridge of the present utility model.
In the figure: 1. a mill body; 2. a feed hopper; 3. a crushing roller; 4. a gear; 5. a first motor; 6. a first filter screen; 7. a feed back port; 8. a feed returning box; 9. an auger; 10. a second motor; 11. a sloping plate; 12. a discharge pipe; 13. a lifting assembly; 14. a fixing plate; 15. a third motor; 16. grinding tool; 17. a grinding box; 18. a second filter screen; 19. a connecting frame; 20. and (3) a bracket.
Detailed Description
The utility model is further described with reference to the following description of the drawings.
The utility model provides a raw materials milling machine for cement manufacture, including milling machine body 1, milling machine body 1 top feed inlet is connected with feeder hopper 2, be located feed inlet below rotation connection in milling machine body 1 and have two crushing rollers 3 of mutually supporting, the equal fixedly connected with gear 4 of pivot one end of two crushing rollers 3, the output shaft fixed connection of the first motor 5 in milling machine body 1 outside is connected with one of them pivot one end of crushing roller 3, first filter screen 6 of crushing roller 3 below fixedly connected with, milling machine body 1 bottom discharge gate is connected with discharging pipe 12, make it transmit back to in the feeder hopper 2 again in order to make the screen material after the initial crushing mill automatically enter return box 8, return box 7 has been seted up to milling machine body 1 lateral wall, the one end and the return box 7 lower edge parallel and level of first filter screen 6 lean on, the outside fixedly connected with feed back box 8 of milling machine body 1, the rotation connection has auger 9, top fixedly connected with second motor 10, second motor output shaft and the output shaft of auger 9 fixedly connected with feed back box 8, the filter screen 7 is set up to the first filter screen 12 through slope return box 7 and slope return box 12, the feed hopper is set up to the feed hopper is directed downwards in order to the feed hopper is 12, the feed hopper is set up to the feed hopper is down to the feed hopper is opened to the feed hopper is convenient, the feed hopper is 12, the feed hopper is set up downwards to the feed hopper is inclined to the feed hopper 12.
In order to grind the screen cloth that passes through the primary crushing crocus again, promote the crocus effect, mill body 1 external fixedly connected with lifting unit 13, lifting unit 13's output fixedly connected with fixed plate 14, fixedly connected with third motor 15 on the fixed plate 14, the output shaft of third motor 15 runs through fixed plate 14 and tip fixedly connected with grinding apparatus 16, be provided with grinding box 17 on being located the discharge gate in mill body 1, grinding box 17 bottom is provided with second filter screen 18, in order to make the raw materials through regrinding direct discharge, second filter screen 18 and discharge gate intercommunication, grinding box 17 can be put into to grinding apparatus 16, the one end that swash plate 11 was close to down is connected in the top of grinding box 17.
In order to conveniently drive the fixing plate 14 to move up and down, and further conveniently drive the third motor 15 and the grinding tool 16 to move up and down, the lifting assembly 13 is any one of a hydraulic cylinder, an electric telescopic rod and a pneumatic telescopic rod. In this embodiment, a hydraulic cylinder is selected as the lifting assembly 13.
For convenience in operation and convenience in discharging, the support 20 is fixedly installed at the bottom of the mill body 1.
In order to improve the operation stability of the first motor 5 and make the whole device stably operate, the first motor 5 is fixedly connected to the outer side of the mill body 1 through a connecting frame 19.
The working process of this embodiment is as follows:
when the cement raw materials are crushed and ground, a first motor 5 is started, the first motor 5 drives one crushing roller 3 to rotate, the two crushing rollers 3 synchronously cooperate to rotate under the meshing action between gears 4, the cement raw materials are input into a feed hopper 2, the raw materials enter the feed inlet from the feed hopper 2 and fall between the two crushing rollers 3, the crushing rollers 3 carry out primary crushing and grinding on the raw materials, then the materials fall on a first filter screen 6, the first filter screen 6 screens the crushed and ground raw materials, the materials on the screen automatically roll to a feed back opening 7 due to the inclined arrangement of the first filter screen 6, a second motor 10 is synchronously started, the second motor 10 drives a packing auger 9 to rotate, the materials on the screen are lifted to an upper outlet from the lower part of a feed back box 8 under the action of the packing auger 9, and the materials on the screen fall on the crushing rollers 3 again due to the inclined pipeline connection between the upper outlet of the feed back box 8 and the feed hopper 2 for crushing and grinding again; the screened undersize falls on the inclined plate 11, because the lower extreme of the inclined plate 11 is communicated with the grinding box 17, the material directly enters the grinding box 17, the hydraulic cylinder is started, the fixed plate 14 drives the third motor 15 to integrally move downwards, meanwhile, the third motor 15 is started to drive the grinding tool 16 to rotate, the grinding tool 16 rubs with the inner wall of the grinding box 17 when entering the grinding box 17, the materials in the grinding tool are ground again, the grinding effect is improved, and the ground materials enter the discharging pipe 12 from the second filter screen 18 and are discharged.
Claims (10)
1. The utility model provides a raw materials milling machine for cement manufacture, includes milling machine body (1), milling machine body (1) top feed inlet is connected with feeder hopper (2), be located in milling machine body (1) the feed inlet below rotates and is connected with two crushing roller (3) of mutually supporting, two the equal fixedly connected with intermeshing's of pivot one end gear (4) of crushing roller (3), one of them pivot one end and fixedly connected with of crushing roller (3) the output shaft fixed connection of first motor (5) in milling machine body (1) outside, first filter screen (6) of crushing roller (3) below fixedly connected with, milling machine body (1) bottom discharge gate is connected with discharging pipe (12), its characterized in that: the pulverizer comprises a pulverizer body (1), wherein a feed back mechanism is fixedly connected to the outer side of the pulverizer body (1), an input end of the feed back mechanism is communicated with a feed back opening (7) formed in the side wall of the pulverizer body (1), an output end of the feed back mechanism is communicated with a feed hopper (2), a first filter screen (6) is downwards arranged towards the feed back opening (7) in an inclined mode, an inclined plate (11) is arranged below the first filter screen (6), and the inclined plate (11) is downwards arranged towards a discharge pipe (12) in an inclined mode.
2. The raw material mill for cement production according to claim 1, wherein: the feed back mechanism comprises a feed back box (8) fixedly connected to the outer side of the mill body (1), an auger (9) is rotationally connected to the feed back box (8), a second motor (10) is fixedly connected to the top of the feed back box, and an output shaft of the second motor (10) is fixedly connected with a shaft of the auger (9).
3. The raw material mill for cement production according to claim 2, wherein: the lower end of the feed back box (8) is communicated with the feed back opening (7), and the upper end is communicated with the feed hopper (2).
4. The raw material mill for cement production according to claim 1, wherein: the utility model discloses a milling machine, including milling machine body (1), elevating module (13)'s output fixedly connected with fixed plate (14), fixedly connected with third motor (15) on fixed plate (14), the output shaft of third motor (15) runs through fixed plate (14) and tip fixedly connected with grinding apparatus (16), be located in milling machine body (1) be provided with grinding box (17) on the discharge gate, grinding box (17) bottom is provided with second filter screen (18), grinding apparatus (16) can be put into grinding box (17).
5. The raw material mill for cement production according to claim 4, wherein: one end of the inclined plate (11) which is lower is connected to the top of the grinding box (17).
6. The raw material mill for cement production according to claim 4, wherein: the second filter screen (18) is communicated with the discharge port.
7. The raw material mill for cement production according to claim 4, wherein: the lifting component (13) is any one of a hydraulic cylinder, an electric telescopic rod and a pneumatic telescopic rod.
8. The raw material mill for cement production according to claim 1, wherein: one end of the first filter screen (6) which is close to the lower side is flush with the lower edge of the feed back opening (7).
9. The raw material mill for cement production according to claim 1, wherein: the bottom of the mill body (1) is fixedly provided with a bracket (20).
10. The raw material mill for cement production according to claim 1, wherein: the first motor (5) is fixedly connected to the outer side of the mill body (1) through a connecting frame (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322035006.XU CN220514291U (en) | 2023-07-31 | 2023-07-31 | Raw materials milling machine for cement manufacture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322035006.XU CN220514291U (en) | 2023-07-31 | 2023-07-31 | Raw materials milling machine for cement manufacture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220514291U true CN220514291U (en) | 2024-02-23 |
Family
ID=89939839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322035006.XU Active CN220514291U (en) | 2023-07-31 | 2023-07-31 | Raw materials milling machine for cement manufacture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220514291U (en) |
-
2023
- 2023-07-31 CN CN202322035006.XU patent/CN220514291U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |