CN219943128U - Grinding and screening assembly - Google Patents
Grinding and screening assembly Download PDFInfo
- Publication number
- CN219943128U CN219943128U CN202321653968.5U CN202321653968U CN219943128U CN 219943128 U CN219943128 U CN 219943128U CN 202321653968 U CN202321653968 U CN 202321653968U CN 219943128 U CN219943128 U CN 219943128U
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- CN
- China
- Prior art keywords
- grinding
- box body
- shell
- raw materials
- transmission shaft
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- 238000000227 grinding Methods 0.000 title claims abstract description 65
- 238000012216 screening Methods 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 abstract description 31
- 239000002689 soil Substances 0.000 abstract description 12
- 239000003795 chemical substances by application Substances 0.000 abstract description 10
- APAWRDGVSNYWSL-UHFFFAOYSA-N arsenic cadmium Chemical compound [As].[Cd] APAWRDGVSNYWSL-UHFFFAOYSA-N 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 239000002154 agricultural waste Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000006388 chemical passivation reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002734 clay mineral Substances 0.000 description 1
- 238000010668 complexation reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Abstract
The utility model relates to the technical field of grinding equipment, in particular to a grinding and screening assembly, which comprises a grinding part and a screening part; the transmission shaft is connected with a plurality of cutters through coaxial keys, the bottom end of the transmission shaft extends into the shell, the coaxial keys at the bottom end of the transmission shaft are connected with grinding rollers, and the periphery of each grinding roller is provided with an outer grinding disc fixedly connected with the shell; after the raw materials of the soil cadmium arsenic passivating agent are thrown into the hopper, the raw materials can be subjected to primary crushing by the rotary cutters, and after the crushed raw materials fall between the grinding roller and the outer grinding disc, the raw materials can be continuously ground by the rotary grinding roller matched with the outer grinding disc at the moment, and when the baffle is separated from the lower part of the grinding roller, the ground raw materials can fall onto the screen for screening; according to the design, the soil cadmium arsenic passivating agent raw material is ground for multiple times, so that the grinding effect is improved, and the production efficiency of the soil cadmium arsenic passivating agent is improved.
Description
Technical Field
The utility model relates to the technical field of grinding equipment, in particular to a grinding and screening assembly.
Background
The method for treating the heavy metal pollution of the soil mainly comprises the steps of removing the heavy metal from the soil, changing the valence state and the form of the heavy metal in the soil, and reducing the migration and the biological effectiveness of the heavy metal in the environment; the chemical passivation restoration is to add a passivating agent into soil, and through a series of reactions such as adsorption, precipitation, complexation, ion exchange, redox and the like, the exchangeable heavy metal is promoted to be converted into an organic combined state and a residue state, and the bioavailability and the mobility of heavy metal pollutants are reduced; common passivating agents include lime materials, carbon materials, clay minerals, phosphorus-containing materials, organic fertilizers, agricultural wastes and the like.
At present, in the production process of the soil cadmium arsenic passivating agent, woody peat and iron oxide are required to be used as materials and are produced through processing technologies such as grinding, screening and the like, but in the grinding process of the raw materials of the soil cadmium arsenic passivating agent, the raw materials are required to be ground for multiple times by the grinding equipment at the present stage to be ground into proper granularity, so that the processing efficiency is low.
Disclosure of Invention
The present utility model is directed to an abrasive screening assembly, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a grinding and screening assembly comprising a grinding portion and a screening portion;
the grinding part comprises a hollow cylinder body, and a hollow shell is arranged at the bottom end of the cylinder body; the top surface of the barrel is provided with two hoppers, the top surface of the barrel is provided with a first motor, an output shaft of the first motor is coaxially connected with a transmission shaft in a key manner, a plurality of cutters are coaxially connected with the transmission shaft in a key manner, the bottom end of the transmission shaft extends into the shell, the bottom end of the transmission shaft is coaxially connected with a grinding roller in a key manner, and an outer grinding disc fixedly connected with the shell is arranged on the periphery of the grinding roller;
the screening part comprises a hollow box body fixedly connected with the bottom end of the shell, strip-shaped grooves are formed in two sides of the top surface of the box body, gaps are formed in the front side wall and the rear side wall of the box body, two baffles capable of horizontally and relatively moving are arranged at the joint of the shell and the box body on the inner top surface of the box body, racks are arranged on two opposite end surfaces of the two baffles, gears are meshed with the upper parts of the racks, and a second motor for driving the gears to rotate is arranged on the front side of the gears; a frame is arranged at the lower part in the box body, and a screen is arranged in an opening of the frame.
As the preferable technical scheme of the utility model, two guide rods are arranged on the outer walls of the two sides of the frame, the guide rods penetrate through the box body and are in sliding connection with the box body, springs for propping against the frame are sleeved on the guide rods, and a vibrating motor is further arranged on the outer wall of the frame.
As the preferable technical scheme of the utility model, the inner top of the box body is also fixed with two connecting rods for guiding, and the connecting rods are in sliding connection with the baffle plate.
As the preferable technical scheme of the utility model, the brackets are arranged above the strip-shaped grooves, and the second motor is fixedly connected with the brackets through bolts.
As a preferable technical scheme of the utility model, a plurality of cutters are distributed at equal intervals in a linear manner in the vertical direction.
As a preferable technical scheme of the utility model, the outer walls of the two sides of the box body are provided with through grooves for the racks to pass through.
As a preferable technical scheme of the utility model, the shell is fixedly connected with the box body through bolts.
Compared with the prior art, the utility model has the beneficial effects that:
grinding part and screening part through setting up: the raw materials of the soil cadmium arsenic passivating agent are thrown into the hopper, the raw materials are subjected to primary crushing through a plurality of rotating cutters, the crushed raw materials fall between the grinding roller and the outer grinding disc, the raw materials are left between the grinding roller and the outer grinding disc under the blocking of the baffle, the rotating grinding roller is matched with the outer grinding disc at the moment, the raw materials can be continuously ground, and the ground raw materials can fall onto the screen for screening after the baffle is separated from the lower part of the grinding roller; according to the design, the soil cadmium arsenic passivating agent raw material is ground for multiple times, so that the grinding effect is improved, and the production efficiency of the soil cadmium arsenic passivating agent is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the overall structure of the present utility model;
FIG. 3 is a cross-sectional view of a portion of the structure of the present utility model;
FIG. 4 is a schematic view of a part of the polishing section according to the present utility model;
FIG. 5 is a schematic view of a part of the structure of a screening part according to the present utility model;
fig. 6 is a schematic structural view of a frame according to the present utility model.
In the figure:
1. a polishing section; 10. a cylinder; 11. a hopper; 12. a first motor; 13. a transmission shaft; 14. a cutter; 15. an outer abrasive disk; 16. a grinding roller; 17. a housing;
2. a screening unit; 20. a case; 201. a bar-shaped groove; 21. a connecting rod; 22. a baffle; 23. a rack; 24. a gear; 25. a bracket; 26. a second motor; 27. a frame; 271. a screen; 272. a guide rod; 28. a vibration motor; 29. and (3) a spring.
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.
The embodiment provides a technical scheme:
referring to fig. 1-6, a grinding and screening assembly includes a grinding portion 1 and a screening portion 2. The grinding part 1 comprises a hollow cylinder body 10, and a hollow shell 17 is arranged at the bottom end of the cylinder body 10; the top surface of the barrel 10 is provided with two hoppers 11, the top surface of the barrel 10 is provided with a first motor 12, an output shaft of the first motor 12 is coaxially connected with a transmission shaft 13 in a key manner, a plurality of cutters 14 are coaxially connected to the transmission shaft 13, the bottom end of the transmission shaft 13 extends into a shell 17, the bottom end of the transmission shaft 13 is coaxially connected with a grinding roller 16 in a key manner, the periphery of the grinding roller 16 is provided with an outer grinding disc 15 fixedly connected with the shell 17, and the outer grinding disc 15 is fixedly connected with the shell 17 through bolts; the screening part 2 comprises a hollow box body 20 fixedly connected with the bottom end of the shell 17, strip-shaped grooves 201 are formed in two sides of the top surface of the box body 20, gaps are formed in the front side wall and the rear side wall of the box body 20, two baffles 22 capable of horizontally and oppositely moving are arranged at the joint of the inner top surface of the box body 20 and the shell 17, racks 23 are arranged on one end surface, deviating from each other, of the two baffles 22, the racks 23 are tightly welded with the baffles 22, a gear 24 is meshed with the upper part of the racks 23, and a second motor 26 for driving the gear 24 to rotate is arranged on the front side of the gear 24; a frame 27 is installed at the lower part in the box 20, a screen 271 is installed in an opening of the frame 27, and the screen 271 is fixedly connected with the frame 27 through bolts. Two guide rods 272 are mounted on the outer walls of the two sides of the frame 27, the guide rods 272 are tightly welded with the frame 27, the guide rods 272 penetrate through the box body 20 and are in sliding connection with the box body 20, springs 29 used for abutting against the frame 27 are sleeved on the guide rods 272, and a vibration motor 28 is further mounted on the outer wall of the frame 27.
Through the above arrangement mode, after the raw materials are put into the hopper 11, the raw materials can be crushed for the first time through the plurality of rotary cutters 14, the crushed raw materials fall between the grinding roller 16 and the outer grinding disc 15, the raw materials are left between the grinding roller 16 and the outer grinding disc 15 under the blocking of the baffle 22, at this time, the rotary grinding roller 16 is matched with the outer grinding disc 15 to continuously grind the raw materials, and after the baffle 22 is separated from the lower part of the grinding roller 16, the grinded raw materials can fall onto the screen 271, and under the action of the vibration motor 28, the raw materials can be screened through the vibration of the screen 271.
In this embodiment, two connecting rods 21 for guiding are further fixed at the inner top of the box 20, and the connecting rods 21 are slidably connected with the baffle 22, so that the arrangement of the connecting rods 21 plays a role in guiding the horizontal movement of the baffle 22, and the stability of the baffle 22 is ensured.
In this embodiment, the brackets 25 are installed above the bar-shaped grooves 201, the second motor 26 is fixedly connected with the brackets 25 through bolts, and the brackets 25 support and fix the second motor 26.
In this embodiment, the plurality of cutters 14 are distributed at equal intervals in a linear manner in the vertical direction, and the plurality of cutters 14 are arranged to facilitate crushing of the dropped raw materials and grinding of the raw materials.
In this embodiment, the outer walls of the two sides of the box 20 are provided with through grooves for the rack 23 to pass through, and the through grooves are convenient for the rack 23 to move horizontally, so that the normal movement of the rack 23 is prevented from being influenced.
In this embodiment, the casing 17 is fixedly connected with the case 20 by bolts, and the bolts are firmly and stably connected, so that the case 20 can be easily disassembled and assembled.
It should be noted that, the first motor 12, the second motor 26 and the vibration motor 28 in the present embodiment are conventional techniques, and are not described herein.
When the grinding machine is specifically used, a user firstly turns on the power supply of the first motor 12, the first motor 12 starts to work, the output shaft of the first motor 12 rotates to drive the transmission shaft 13 to rotate, the transmission shaft 13 drives the cutter 14 and the grinding roller 16 to rotate, then the user inputs raw materials through the hopper 11, the raw materials fall into the cylinder 10, at the moment, the plurality of rotating cutters 14 cut and crush the raw materials, the crushed raw materials fall between the grinding roller 16 and the outer grinding disc 15 under the action of gravity, and the raw materials can be ground along with the rotation of the grinding roller 16; when the grinding is completed, a user firstly turns on the power supply of the second motor 26, the output shaft of the second motor 26 rotates to drive the gear 24 to rotate, the gear 24 drives the rack 23 to move, the rack 23 drives the baffle 22 to horizontally move along the connecting rod 21, at the moment, the baffle 22 is separated from the lower part of the grinding roller 16, raw materials between the grinding roller 16 and the outer grinding disc 15 fall onto the screen 271, then the user turns on the power supply of the vibration motor 28, the vibration motor 28 starts to work, at the moment, the frame 27 horizontally reciprocates, the guide rod 272 reciprocates along the box 20, the spring 29 synchronously reciprocates and stretches, and the ground raw materials can be screened under the action of the screen 271.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A grinding and screening assembly comprising a grinding part (1) and a screening part (2), characterized in that:
the grinding part (1) comprises a hollow cylinder body (10), and a hollow shell (17) is arranged at the bottom end of the cylinder body (10); two hoppers (11) are arranged on the top surface of the barrel body (10), a first motor (12) is arranged on the top surface of the barrel body (10), a transmission shaft (13) is connected with an output shaft coaxial key of the first motor (12), a plurality of cutters (14) are connected with the transmission shaft (13) through coaxial keys, the bottom end of the transmission shaft (13) extends into a shell (17), a grinding roller (16) is connected with the bottom end coaxial key of the transmission shaft (13), and an outer grinding disc (15) fixedly connected with the shell (17) is arranged on the periphery of the grinding roller (16);
the screening part (2) comprises a box body (20) fixedly connected with the bottom end of the shell body (17) and hollow, strip-shaped grooves (201) are formed in two sides of the top surface of the box body (20), gaps are formed in the front side wall and the rear side wall of the box body (20), two baffles (22) capable of horizontally and relatively moving are arranged at the joint of the inner top surface of the box body (20) and the shell body (17), racks (23) are arranged on two opposite end surfaces of the two baffles (22), a gear (24) is meshed with the upper part of the racks (23), and a second motor (26) for driving the gear (24) to rotate is arranged on the front side of the gear (24); a frame (27) is installed at the lower part in the box body (20), and a screen (271) is installed in an opening of the frame (27).
2. The abrasive screening assembly of claim 1 wherein: two guide rods (272) are arranged on the outer walls of the two sides of the frame (27), the guide rods (272) penetrate through the box body (20) and are in sliding connection with the box body (20), springs (29) used for propping against the frame (27) are sleeved on the guide rods (272), and a vibration motor (28) is further arranged on the outer wall of the frame (27).
3. The abrasive screening assembly of claim 1 wherein: the inner top of the box body (20) is also fixed with two connecting rods (21) for guiding, and the connecting rods (21) are in sliding connection with the baffle plates (22).
4. The abrasive screening assembly of claim 1 wherein: the bracket (25) is arranged above the strip-shaped groove (201), and the second motor (26) is fixedly connected with the bracket (25) through bolts.
5. The abrasive screening assembly of claim 1 wherein: the cutters (14) are distributed at equal intervals in a linear manner in the vertical direction.
6. The abrasive screening assembly of claim 1 wherein: the outer walls of the two sides of the box body (20) are provided with through grooves for the racks (23) to pass through.
7. The abrasive screening assembly of claim 1 wherein: the shell (17) is fixedly connected with the box body (20) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321653968.5U CN219943128U (en) | 2023-06-28 | 2023-06-28 | Grinding and screening assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321653968.5U CN219943128U (en) | 2023-06-28 | 2023-06-28 | Grinding and screening assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219943128U true CN219943128U (en) | 2023-11-03 |
Family
ID=88547677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321653968.5U Active CN219943128U (en) | 2023-06-28 | 2023-06-28 | Grinding and screening assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219943128U (en) |
-
2023
- 2023-06-28 CN CN202321653968.5U patent/CN219943128U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |