CN220737926U - Feed back device for powder grinding and selecting machine - Google Patents
Feed back device for powder grinding and selecting machine Download PDFInfo
- Publication number
- CN220737926U CN220737926U CN202322073578.7U CN202322073578U CN220737926U CN 220737926 U CN220737926 U CN 220737926U CN 202322073578 U CN202322073578 U CN 202322073578U CN 220737926 U CN220737926 U CN 220737926U
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- feed back
- feed
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- 238000000227 grinding Methods 0.000 title claims abstract description 70
- 239000000843 powder Substances 0.000 title claims abstract description 24
- 238000007790 scraping Methods 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000000670 limiting effect Effects 0.000 claims description 13
- 230000003028 elevating effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 29
- 238000003801 milling Methods 0.000 abstract description 2
- 238000012797 qualification Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a feed back device for a grinding and selecting machine, which comprises a grinding box, wherein the upper end surface of the grinding box is provided with a feed inlet, a grinding mechanism is arranged in the grinding box, and a filter screen plate is arranged below the grinding mechanism; both ends of the scraping plate are connected with feeding push rods; a feeding box is arranged in the lifting seat, one side of the feeding box is connected with a driving hydraulic cylinder, and a discharging pipe is arranged at the bottom of the feeding box; the nut ring is connected to the two ends of the lifting seat, a ball screw is installed in the nut ring, and a driving motor is connected to the lower portion of the ball screw. This a feed back device for grinding selection powder machine compares with current device, can carry out the conveying of vertical direction to nut ring and lifting seat through pivoted ball screw to can send the feed box to the top, drive pneumatic cylinder can be with the feed box to one side propelling movement, opens the discharging pipe again, and the material can flow to the milling incasement through the feed inlet, grinds once more.
Description
Technical Field
The utility model relates to the technical field of feed back devices, in particular to a feed back device for a powder grinding and selecting machine.
Background
One of the most commonly adopted production processes in the powder grinding and selecting industry is a device for processing materials into powder, and is often applied to cement and raw material grinding systems in the cement industry, superfine slag grinding systems and other industrial departments, and in the production process, the granularity of the materials is far smaller than the granularity of the raw materials in the original feeding process after primary grinding, and the requirements of qualified powder fineness are still difficult to be met, so that the materials need to be ground in a return way, and a return device for the powder grinding and selecting machine is needed.
The existing powder grinding and selecting machine still has difficulty in meeting the qualification requirement after grinding materials once, the extracted materials are generally required to be poured into the device again for secondary grinding, a plurality of devices are generally required to be used for transferring the materials, and meanwhile, the efficiency is low by matching with manual operation.
Disclosure of Invention
The utility model aims to provide a feed back device for a powder grinding and selecting machine, which solves the problems that in the prior art, the existing powder grinding and selecting machine still cannot meet the qualification requirement after grinding materials once, the extracted materials are usually required to be poured into the device again for secondary grinding, a plurality of devices are usually required to be used for transferring the materials, and meanwhile, the efficiency is low due to the fact that manual operation is matched.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a feed back device for a mill classifier comprising:
the grinding machine comprises a grinding box, wherein a feeding hole is formed in the upper end face of the grinding box, a grinding mechanism is arranged in the grinding box, a filter screen plate is arranged below the grinding mechanism, and a discharging hole is formed below the filter screen plate;
the scraping plate is arranged on one side above the filter screen plate, two ends of the scraping plate are connected with feeding push rods, and one side of the outer wall of the grinding box is provided with a discharge hole;
the lifting seat is arranged at one side outside the grinding box, a feeding box is arranged in the lifting seat, one side of the feeding box is connected with a driving hydraulic cylinder, and a discharging pipe is arranged at the bottom of the feeding box;
the nut ring is connected to the two ends of the lifting seat, a ball screw is installed in the nut ring, and a driving motor is connected to the lower portion of the ball screw.
Preferably, the filter screen plate is of a hollowed-out net structure, and the filter screen plate and the grinding mechanism are parallel to each other.
Preferably, a telescopic structure is formed between the feeding push rod and the scraping plate, and the positions of the scraping plate and the discharge hole correspond to each other.
Preferably, the feeding box is further provided with:
the baffle is arranged above the feeding box, and a semi-surrounding structure is formed between the lifting seat and the feeding box.
Preferably, a rotating structure is formed between the driving motor and the ball screw, the ball screw penetrates through the nut ring, and the nut ring is fixedly connected with the lifting seat.
Preferably, the grinding box is further provided with:
the limiting table is arranged above the grinding box, a telescopic structure is formed between the driving hydraulic cylinder and the feeding box, and a through hole corresponding to the feeding hole is formed in the limiting table.
Compared with the prior art, the utility model provides a feed back device for a powder grinding and selecting machine, which has the following beneficial effects:
according to the utility model, the ball screw is driven to rotate by the driving motor, the rotating ball screw can vertically convey the nut ring and the lifting seat, so that the feed box can be conveyed to the upper part, the feed box can be pushed to one side by the driving hydraulic cylinder, the limit table can have the effect of bearing and limiting the feed box, the discharge pipe is opened, the material can flow into the grinding box through the feed inlet for secondary grinding, the problem that the existing powder grinding and selecting machine still has difficulty in meeting the qualification requirement after primary grinding of the material, the extracted material is required to be poured into the device again for secondary grinding, a plurality of devices are required to be used for transferring the material, and meanwhile, the efficiency is low due to the cooperation of manual operation is solved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is a schematic top view of the connection between the scraping plate and the feeding push rod;
fig. 4 is a schematic structural diagram of the feed back of the present utility model.
In the figure: 1. a milling box; 2. a feed inlet; 3. a grinding mechanism; 4. a filter screen plate; 5. a feed opening; 6. a scraping plate; 7. a feeding push rod; 8. a discharge port; 9. a baffle; 10. a feed box; 11. a lifting seat; 12. a nut ring; 13. a driving motor; 14. a ball screw; 15. driving a hydraulic cylinder; 16. a limiting table; 17. and a discharging pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a feed back device for a powder mill, comprising: the grinding device comprises a grinding box 1, wherein a feed inlet 2 is formed in the upper end face of the grinding box 1, a grinding mechanism 3 is arranged in the grinding box 1, a filter screen plate 4 is arranged below the grinding mechanism 3, and a feed outlet 5 is formed below the filter screen plate 4; the filter screen plate 4 is of a hollowed-out net structure, and the filter screen plate 4 and the grinding mechanism 3 are parallel to each other; the grinding mechanism 3 can grind materials, the ground materials can be screened through the filter screen plate 4, and the materials meeting the qualified requirements can flow out through the filter screen plate 4 and the blanking port 5; the scraping plate 6 is arranged on one side above the filter screen plate 4, two ends of the scraping plate 6 are connected with feeding push rods 7, and one side of the outer wall of the grinding box 1 is provided with a discharge hole 8; a telescopic structure is formed between the feeding push rod 7 and the scraping plate 6, and the positions of the scraping plate 6 and the discharge hole 8 correspond to each other; the feeding push rod 7 can drive the scraping plate 6 to carry out horizontal conveying, so that materials on the filter screen plate 4 can be pushed to a discharge hole 8 through the movable scraping plate 6.
Referring to fig. 1, 2 and 4, a feed back device for a powder mill, comprising: the lifting seat 11 is arranged on one side outside the grinding box 1, the feeding box 10 is arranged in the lifting seat 11, one side of the feeding box 10 is connected with the driving hydraulic cylinder 15, the baffle 9 is arranged above the feeding box 10, and a semi-surrounding structure is formed between the lifting seat 11 and the feeding box 10; the baffle 9 can prevent the scattering of materials, and the lifting seat 11 can play a limiting role on the feeding box 10; the bottom of the feed box 10 is provided with a discharge pipe 17; nut rings 12 connected to both ends of the lifting base 11, a ball screw 14 being installed inside the nut rings 12, and a driving motor 13 being connected to a lower side of the ball screw 14; a rotating structure is formed between the driving motor 13 and the ball screw 14, the ball screw 14 penetrates through the inside of the nut ring 12, and the nut ring 12 is fixedly connected with the lifting seat 11; the driving motor 13 can drive the ball screw 14 to rotate, and the rotating ball screw 14 can vertically convey the nut ring 12 and the lifting seat 11, so that the feeding box 10 can be sent to the upper part; the limiting table 16 is arranged above the grinding box 1, a telescopic structure is formed between the driving hydraulic cylinder 15 and the feeding box 10, and a through hole corresponding to the feeding hole 2 is formed in the limiting table 16; the hydraulic cylinder 15 is driven to push the feed box 10 to one side, the limiting table 16 can bear the limiting effect on the feed box 10, and after the discharging pipe 17 is opened, materials can flow into the grinding box 1 through the feed inlet 2 to be ground again.
Working principle: when the feed back device for the powder grinding and selecting machine is used, firstly, materials are put into the powder grinding box 1 through the feed inlet 2, then the materials are ground through the powder grinding mechanism 3, the powder grinding mechanism 3 is of the prior art, the principle of the powder grinding mechanism is not repeated, the ground materials are screened through the filter screen plate 4, the materials meeting the qualified requirements can flow out through the filter screen plate 4 and the feed outlet 5, and the materials which do not meet the requirements are left above the filter screen plate 4; secondly, starting a feeding push rod 7, wherein the feeding push rod 7 drives a scraping plate 6 to carry out horizontal conveying, and the materials on the filter screen plate 4 can be pushed to a discharge hole 8 through the moving scraping plate 6 until the materials fall into a feeding box 10, so that the baffle 9 prevents the materials from scattering; then, a driving motor 13 is started, the driving motor 13 drives a ball screw 14 to rotate, and the rotating ball screw 14 can vertically convey the nut ring 12 and the lifting seat 11, so that the feeding box 10 can be sent to the upper part; finally, the driving hydraulic cylinder 15 is started, the feeding box 10 is pushed to one side by the driving hydraulic cylinder 15, the limiting table 16 can play a role in bearing and limiting the feeding box 10, the discharging pipe 17 is opened, and materials can flow into the grinding box 1 through the feeding hole 2 for secondary grinding, namely the working principle of the feed back device for the grinding and selecting machine.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A feed back device for a powder mill, comprising:
the grinding machine comprises a grinding box (1), wherein a feed inlet (2) is formed in the upper end face of the grinding box (1), a grinding mechanism (3) is arranged in the grinding box (1), a filter screen plate (4) is arranged below the grinding mechanism (3), and a feed outlet (5) is formed below the filter screen plate (4);
the scraping plate (6) is arranged on one side above the filter screen plate (4), two ends of the scraping plate (6) are connected with feeding push rods (7), and a discharge hole (8) is formed in one side of the outer wall of the grinding box (1);
the lifting seat (11) is arranged at one side outside the grinding box (1), a feeding box (10) is arranged in the lifting seat (11), one side of the feeding box (10) is connected with a driving hydraulic cylinder (15), and a discharging pipe (17) is arranged at the bottom of the feeding box (10);
nut ring (12), it connects in the both ends of elevating seat (11), the internally mounted of nut ring (12) has ball screw (14), and the below of ball screw (14) is connected with driving motor (13).
2. A feed back device for a powder mill according to claim 1, characterized in that the screen (4) is of a hollowed-out net structure, and the screen (4) and the mill mechanism (3) are parallel to each other.
3. A feed back device for a powder mill according to claim 1, characterized in that a telescopic structure is formed between the feeding push rod (7) and the scraping plate (6), and the scraping plate (6) corresponds to the position of the discharge hole (8).
4. A feed back device for a mill-selector according to claim 1, characterized in that the feed box (10) is further provided with:
and the baffle plate (9) is arranged above the feeding box (10), and a semi-surrounding structure is formed between the lifting seat (11) and the feeding box (10).
5. The feed back device for a powder grinding and selecting machine according to claim 1, wherein a rotating structure is formed between the driving motor (13) and the ball screw (14), the ball screw (14) penetrates through the nut ring (12), and the nut ring (12) is fixedly connected with the lifting seat (11).
6. A feed back device for a mill selector according to claim 1, characterized in that the mill tank (1) is further provided with:
the limiting table (16) is arranged above the grinding box (1), a telescopic structure is formed between the driving hydraulic cylinder (15) and the feeding box (10), and a through hole corresponding to the feeding hole (2) is formed in the limiting table (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322073578.7U CN220737926U (en) | 2023-08-03 | 2023-08-03 | Feed back device for powder grinding and selecting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322073578.7U CN220737926U (en) | 2023-08-03 | 2023-08-03 | Feed back device for powder grinding and selecting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220737926U true CN220737926U (en) | 2024-04-09 |
Family
ID=90563228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322073578.7U Active CN220737926U (en) | 2023-08-03 | 2023-08-03 | Feed back device for powder grinding and selecting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220737926U (en) |
-
2023
- 2023-08-03 CN CN202322073578.7U patent/CN220737926U/en active Active
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