CN108787003B - Lithium carbonate production grinding device capable of improving grinding efficiency - Google Patents

Lithium carbonate production grinding device capable of improving grinding efficiency Download PDF

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Publication number
CN108787003B
CN108787003B CN201810685514.3A CN201810685514A CN108787003B CN 108787003 B CN108787003 B CN 108787003B CN 201810685514 A CN201810685514 A CN 201810685514A CN 108787003 B CN108787003 B CN 108787003B
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CN
China
Prior art keywords
grinding roller
grinding
roller
lithium carbonate
filter
Prior art date
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Application number
CN201810685514.3A
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Chinese (zh)
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CN108787003A (en
Inventor
南进喜
曾位勇
李辉照
穆健书
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Jinhui Lithium Industry Co ltd
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Jiangxi Jinhui Lithium Industry Co ltd
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Priority to CN201810685514.3A priority Critical patent/CN108787003B/en
Publication of CN108787003A publication Critical patent/CN108787003A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/02Crushing or disintegrating by roller mills with two or more rollers
    • B02C4/08Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C1/00Crushing or disintegrating by reciprocating members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C4/00Crushing or disintegrating by roller mills
    • B02C4/28Details
    • B02C4/40Detachers, e.g. scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/50Cleaning
    • B07B1/52Cleaning with brushes or scrapers
    • B07B1/522Cleaning with brushes or scrapers with brushes

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention discloses a lithium carbonate production grinding device capable of improving grinding efficiency, which comprises a grinding device shell, a first grinding roller and a feeding hole, wherein a discharging hole is arranged at the bottom of the grinding device shell, a groove is fixed on the inner wall of the grinding device shell, a fixed spring is arranged in the groove, a filter plate is arranged on the outer side of the fixed spring, a first brush is arranged above the filter plate, a push plate is arranged above the first brush, hydraulic cylinders are arranged on the left side and the right side of the push plate, and a motor is arranged above the hydraulic cylinders. This can improve lithium carbonate production grinder of crushing efficiency is provided with first grinding roller, second grinding roller and third grinding roller, and first grinding roller and third grinding roller rotate through the motor, and the second grinding roller is rotatory at the bearing inside through the horizontal pole, from this through first grinding roller and third grinding roller rotatory crushing efficiency that has increased whole device in the time.

Description

Lithium carbonate production grinding device capable of improving grinding efficiency
Technical Field
The invention relates to the technical field of lithium carbonate production, in particular to a lithium carbonate production grinding device capable of improving grinding efficiency.
Background
The lithium carbonate is a raw material capable of manufacturing ceramics, medicines, catalysts, lithium batteries and the like, the lithium carbonate is widely used, the main raw material for producing the lithium carbonate is salt lake brine, the lithium carbonate is ground in the process of producing the lithium carbonate, so that crystalline lithium carbonate is changed into powder so as to be convenient for the lithium carbonate to be used well, although the grinding devices for producing the lithium carbonate on the market are various in variety, the defects are still present, for example, the grinding efficiency of the traditional grinding devices is low, the working efficiency is reduced, the feeding hole is uneven, the materials are accumulated, and the grinding is not thorough.
Disclosure of Invention
The invention aims to provide a lithium carbonate production grinding device capable of improving the grinding efficiency, so as to solve the problems that the grinding efficiency of the traditional grinding device in the market is low, the working efficiency is reduced, the feeding at a feeding hole is uneven, the materials are accumulated, and the grinding is not thorough in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a can improve lithium carbonate production grinder of crushing efficiency, includes grinder shell, first grinding roller and pan feeding mouth, the discharge gate is installed to the bottom of grinder shell, and the inner wall of grinder shell is fixed with the recess, the internally mounted of recess has fixed spring, and fixed spring's outside is provided with the filter, first brush is installed to the top of filter, and the top of first brush is provided with the push pedal, the pneumatic cylinder is all installed to the left and right sides of push pedal, and the top of pneumatic cylinder is provided with the motor, the horizontal pole is installed on the right side of motor, and the outside of horizontal pole is provided with the bearing, the horizontal pole is all installed to the left and right sides of first grinding roller, second grinding roller and third grinding roller, and the left side of first grinding roller is provided with the second grinding roller, the third grinding roller is installed in the left side of second grinding roller, the below of pan feeding mouth is fixed with the grinder shell, and the inside of pan feeding mouth is provided with the reservoir, the left and right sides of reservoir is provided with the through-hole, the pull rod is installed in the outside of pull rod.
Preferably, the filter plate forms a lifting structure with the groove through a fixed spring, and the highest point of the filter plate is higher than the lowest point of the first brush.
Preferably, two pushing plates are arranged, and the connection mode of the pushing plates and the first hairbrush is welding.
Preferably, the cross rod penetrates through the bearing, and the cross rod, the first grinding roller, the second grinding roller and the third grinding roller are of an integrated structure.
Preferably, the first grinding roller, the second grinding roller and the third grinding roller are equal in size, the distance among the first grinding roller, the second grinding roller and the third grinding roller is larger than zero, and the center lines of the first grinding roller and the third grinding roller are not on the same plane with the center line of the second grinding roller.
Preferably, the storage tanks are arranged in two, the bottoms of the storage tanks are of a meshed structure, and the mesh diameter of the bottoms of the storage tanks is larger than that of the inside of the filter plate.
Compared with the prior art, the invention has the beneficial effects that: the lithium carbonate production grinding device capable of improving the grinding efficiency;
(1) The grinding device comprises a first grinding roller, a second grinding roller and a third grinding roller, wherein the first grinding roller and the third grinding roller rotate through a motor, the second grinding roller rotates through a cross rod in a bearing, so that the grinding efficiency of the whole device is improved through the simultaneous rotation of the first grinding roller and the third grinding roller, and simultaneously, materials adhered to the outer sides of the first grinding roller and the third grinding roller are brushed through an inclined second brush, so that the first grinding roller and the third grinding roller work well;
(2) The storage tank is installed, the bottom of the storage tank is of a mesh-shaped structure, the position of the storage tank is moved through the pulling of the pull rod in the through hole, and then the storage tank moves back and forth among the first grinding roller, the second grinding roller and the third grinding roller, so that the storage tank uniformly drops materials, the materials are prevented from being stacked at one place, the materials are crushed well, and the crushing is thorough;
(3) Be fixed with the push pedal, drive 2 push pedals respectively through 2 pneumatic cylinders and carry out relative movement for 2 push pedals contact, and then carry out the secondary extrusion to the material of filter top and smash, make the more thorough of material crushing from this, simultaneously, make the first brush of push pedal below brush the filter surface mesh inside through the removal of push pedal, avoid the filter to block up from this, so that the filter is fine uses.
Drawings
FIG. 1 is a schematic view of the main section structure of the present invention;
FIG. 2 is a schematic left-hand view of a first grinding roll according to the invention;
fig. 3 is a schematic top view of the feed inlet of the present invention.
In the figure: 1. a grinding device housing; 2. a discharge port; 3. a groove; 4. a fixed spring; 5. a filter plate; 6. a hydraulic cylinder; 7. a push plate; 8. a first brush; 9. a motor; 10. a cross bar; 11. a bearing; 12. a first grinding roller; 13. a second grinding roller; 14. a feed inlet; 15. a pull rod; 16. a through hole; 17. a second brush; 18. a third grinding roller; 19. a storage tank.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a can improve grinding efficiency's lithium carbonate production grinder, including grinder shell 1, discharge gate 2, recess 3, fixed spring 4, filter 5, pneumatic cylinder 6, push pedal 7, first brush 8, motor 9, horizontal pole 10, bearing 11, first grinding roller 12, second grinding roller 13, pan feeding mouth 14, pull rod 15, through-hole 16, second brush 17, third grinding roller 18 and stock chest 19, the bottom of grinder shell 1 is installed discharge gate 2, and grinder shell 1's inner wall is fixed with recess 3, fixed spring 4 is installed to the internally mounted of recess 3, and the outside of fixed spring 4 is provided with filter 5, filter 5 constitutes elevation structure through fixed spring 4 and recess 3, and the highest point of filter 5 is higher than the minimum of first brush 8, through the elevation structure of filter 5 can be fine filter the material, the fine material brush removal of filter 5 of first brush 8 of being convenient for, avoid filter 5 to block up;
the first brush 8 is arranged above the filter plate 5, the push plates 7 are arranged above the first brush 8, the push plates 7 are welded, the materials are convenient to be crushed secondarily by extruding the 2 push plates 7, the hydraulic cylinders 6 are arranged on the left side and the right side of the push plates 7, the motors 9 are arranged above the hydraulic cylinders 6, the cross rods 10 are arranged on the right side of the motors 9, the bearings 11 are arranged on the outer sides of the cross rods 10, the cross rods 10 penetrate through the bearings 11, the cross rods 10 and the first grinding roller 12, the second grinding roller 13 and the third grinding roller 18 are of an integrated structure, the first grinding roller 12, the second grinding roller 13 and the third grinding roller 18 are conveniently rotated through the cross rods 10, the cross rods 10 are arranged on the left side and the right side of the first grinding roller 12, the second grinding roller 13 and the third grinding roller 18, the second grinding roller 13 are arranged on the left side and the right side of the first grinding roller 12, the first grinding roller 12, the second grinding roller 13 and the third grinding roller 18 are equal in size, the distance between the first grinding roller 12, the second grinding roller 13 and the third grinding roller 18 is larger than zero, the central lines of the first grinding roller 12 and the third grinding roller 18 and the central line of the second grinding roller 13 are not on the same plane, therefore, the first grinding roller 12 and the second grinding roller 13 are well matched with the third grinding roller 18 for grinding, the third grinding roller 18 is arranged on the left side of the second grinding roller 13, the second brush 17 is arranged on the left side of the third grinding roller 18, the grinding device shell 1 is fixed below the feed inlet 14, the storage groove 19 is arranged in the feed inlet 14, two storage grooves 19 are arranged at the bottom of the storage groove 19, the mesh diameter at the bottom of the storage groove 19 is larger than the mesh diameter inside the filter plate 5, through the removal of stock chest 19, the stock chest 19 of being convenient for evenly drops the material, and then avoids piling up of material, and the fine smashing of material of being convenient for, pull rod 15 is installed to the left and right sides of stock chest 19, and the outside of pull rod 15 is provided with through-hole 16.
Working principle: when the grinding device capable of improving the grinding efficiency is used, firstly, the whole device is moved into a working area, after the lithium carbonate reaches the working area, the whole device starts to be used, lithium carbonate is poured into 2 storage tanks 19 in the material inlet 14 respectively, at the moment, a pull rod 15 is pulled left and right in a through hole 16 in the material inlet 14 by a worker, so that the storage tanks 19 move left and right, further, lithium carbonate materials in the storage tanks 19 fall into gaps between a first grinding roller 12, a second grinding roller 13 and a third grinding roller 18 through a meshed structure at the bottom of the storage tanks 19, at the moment, 2 motors 9 are connected with an external power supply, then 2 motors 9 start to work, the 2 motors 9 respectively drive the first grinding roller 12 and the third grinding roller 18 to rotate, and therefore, the grinding of the lithium carbonate materials is carried out through the rotation of the first grinding roller 12 and the third grinding roller 18, at the moment, the rotation of the first grinding roller 12 and the third grinding roller 18 can drive the second grinding roller 13 to rotate under the action of a cross rod 10 and a bearing 11, and the second grinding roller 12 is well adhered to the outer surface of the second grinding roller 18, and the second grinding roller 12 is well ground on the surface of the second grinding roller 12 and the third grinding roller 18;
then, the material after smashing can fall on filter 5, mesh form structure through filter 5 filters the material after smashing, smash qualified material and can drop in the below of filter 5 through filter 5, smash unqualified material and can stay on filter 5, at this moment, be connected with external power with pneumatic cylinder 6, then pneumatic cylinder 6 just begins to work, 2 pneumatic cylinders 6 drive 2 push pedal 7 and carry out relative movement, thereby carry out the regrinding to the incomplete material of smashing through the extrusion of 2 push pedal 7 fine, simultaneously, push pedal 7 is at the in-process of removal, first brush 8 of push pedal 7 bottom is brushed the filter 5 surface, and then avoid filter 5's jam, simultaneously, filter 5 rocks about in recess 3 through fixed spring 4, and then be convenient for improve filterable efficiency, open discharge gate 2, alright use inside material, model number of pneumatic cylinder 6 is YZW600-D15, model number of motor 9 is: Y-180L-8, which is not described in detail in the present specification, belongs to the prior art known to those skilled in the art.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims (1)

1. Can improve lithium carbonate production grinder of crushing efficiency, including grinder shell (1), first grinding roller (12) and pan feeding mouth (14), its characterized in that: the bottom of grinder shell (1) is installed discharge gate (2), and the inner wall of grinder shell (1) is fixed with recess (3), the internally mounted of recess (3) has fixed spring (4), and the outside of fixed spring (4) is provided with filter (5), first brush (8) are installed to the top of filter (5), and the top of first brush (8) is provided with push pedal (7), pneumatic cylinder (6) are all installed to the left and right sides of push pedal (7), and the top of pneumatic cylinder (6) is provided with motor (9), horizontal pole (10) are installed on the right side of motor (9), and the outside of horizontal pole (10) is provided with bearing (11), horizontal pole (10) are all installed to the left and right sides of first grinding roller (12), second grinding roller (13) and third grinding roller (18), and the left side of first grinding roller (12) is provided with second grinding roller (13), third grinding roller (18) are installed in the left side of second grinding roller (13), and the left side of third grinding roller (18) is provided with grinding roller (14) and the inside of grinding reservoir (14) is provided with grinding material entering mouth (14), the left side and the right side of the storage tank (19) are provided with pull rods (15), and the outer sides of the pull rods (15) are provided with through holes (16);
the filter plate (5) forms a lifting structure with the groove (3) through the fixed spring (4), and the highest point of the filter plate (5) is higher than the lowest point of the first hairbrush (8);
two pushing plates (7) are arranged, and the connecting mode of the pushing plates (7) and the first hairbrush (8) is welding;
the cross rod (10) penetrates through the bearing (11), and the cross rod (10), the first grinding roller (12), the second grinding roller (13) and the third grinding roller (18) are of an integrated structure;
the first grinding roller (12), the second grinding roller (13) and the third grinding roller (18) are equal in size, the distance between the first grinding roller (12), the second grinding roller (13) and the third grinding roller (18) is larger than zero, and the center lines of the first grinding roller (12) and the third grinding roller (18) are not on the same plane with the center line of the second grinding roller (13);
the two storage tanks (19) are arranged, the bottoms of the storage tanks (19) are of a mesh-shaped structure, and the mesh diameter of the bottoms of the storage tanks (19) is larger than that of the filter plate (5).
CN201810685514.3A 2018-06-28 2018-06-28 Lithium carbonate production grinding device capable of improving grinding efficiency Active CN108787003B (en)

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Application Number Priority Date Filing Date Title
CN201810685514.3A CN108787003B (en) 2018-06-28 2018-06-28 Lithium carbonate production grinding device capable of improving grinding efficiency

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Application Number Priority Date Filing Date Title
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CN108787003B true CN108787003B (en) 2023-09-19

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CN110142080A (en) * 2019-06-24 2019-08-20 唐英杰 A kind of thin grinding device of discontinuous industrial chemicals
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CN112830506A (en) * 2021-04-02 2021-05-25 永州昊利新材料科技有限公司 Serialization high-purity lithium carbonate production facility
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000005611A (en) * 1998-06-25 2000-01-11 Sumitomo Metal Mining Co Ltd Crusher for alc block
CN204816661U (en) * 2015-08-21 2015-12-02 中山市康和化工有限公司 Machine is ground to three -roller based on printing ink preparation
CN204911606U (en) * 2015-08-31 2015-12-30 安徽丹研食品有限公司 Reducing mechanism is used in good agent of bread
CN205731483U (en) * 2016-05-31 2016-11-30 南昌鼎锋矿山设备有限公司 A kind of carbonate ore reducing mechanism
CN208482530U (en) * 2018-06-28 2019-02-12 江西金辉锂业有限公司 A kind of lithium carbonate production grinding device that crush efficiency can be improved

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000005611A (en) * 1998-06-25 2000-01-11 Sumitomo Metal Mining Co Ltd Crusher for alc block
CN204816661U (en) * 2015-08-21 2015-12-02 中山市康和化工有限公司 Machine is ground to three -roller based on printing ink preparation
CN204911606U (en) * 2015-08-31 2015-12-30 安徽丹研食品有限公司 Reducing mechanism is used in good agent of bread
CN205731483U (en) * 2016-05-31 2016-11-30 南昌鼎锋矿山设备有限公司 A kind of carbonate ore reducing mechanism
CN208482530U (en) * 2018-06-28 2019-02-12 江西金辉锂业有限公司 A kind of lithium carbonate production grinding device that crush efficiency can be improved

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