Quick lime milling device
Technical Field
The invention relates to the technical field of quicklime milling devices, in particular to a quicklime milling device.
Background
The main raw material of the lime-calcium powder is lime, which is an inorganic air-hardening cementing material, the chemical name of which is calcium hydroxide, also called slaked lime, after calcined, the calcined lime is firstly crushed by a hammer machine, then coarsely ground and then transported to a fine grinding position to form lime powder, the efficiency is more complicated, the efficiency is low, and the labor capacity of workers is greatly improved.
Disclosure of Invention
The invention aims to provide a quicklime grinding device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a milling device of quick lime comprises a coarse crushing cavity, a screening channel and a fine crushing cavity which are sequentially arranged from top to bottom, wherein a supporting leg is fixed at the bottom end of the fine crushing cavity, a coarse crushing rod and a motor II are respectively and correspondingly arranged in the coarse crushing cavity, the screening channel and the fine crushing cavity, the coarse crushing mechanism comprises a pair of coarse crushing shafts, the coarse crushing rod is fixed on the coarse crushing shaft, the motor II is fixed outside the coarse crushing cavity and used for driving the coarse crushing shaft to rotate, the coarse crushing shafts are fixed in the coarse crushing cavity through bearings, the right ends of the coarse crushing shafts extend out of the coarse crushing cavity and are fixed with driving gears which are mutually adaptive, the screening mechanism comprises a screening plate which is obliquely fixed in the screening channel, a material scraping shaft which is positioned above the screening plate and a screening roller which is fixed on the material scraping shaft, and the screening tongs are arranged on the surface of the screening roller at equal intervals, the material taking shaft is parallel to the coarse crushing shaft, the right end of the material taking shaft extends out of the screening channel and is connected with the right end of one of the coarse crushing shafts through a belt, a discharge port II is fixed at one end, close to the lower end of the screening plate, of the outer side wall of the screening channel, screening holes are arranged on the surface of the screening plate at equal intervals, the fine crushing mechanism comprises a first motor fixed on the bottom end face of the fine crushing cavity, a fine crushing shaft vertically fixed on the bottom end face inside the fine crushing cavity through a bearing and a grinding disc fixed at the upper end of the fine crushing shaft, the output shaft of the first motor is connected with the fine crushing shaft, a first grinding tooth is arranged on a side wall ring of the grinding disc, and a second grinding tooth matched with the first grinding tooth is arranged on an inner wall ring of the fine crushing cavity.
Preferably, a movable door is hinged to one side wall of the motor box.
Preferably, the movable door is provided with a window, and a steel wire mesh is fixed on the window.
Preferably, the bottom end of the inner wall of the fine crushing cavity is obliquely fixed with a partition plate, and the lower end of the fine crushing cavity, which is positioned on the partition plate, is fixed with a first discharge hole.
Preferably, the upper end surface of the grinding disc is an arc-shaped slope surface.
Preferably, a conical material guide cavity is fixed on the inner wall of the upper end of the coarse crushing cavity, and the caliber of the bottom end of the material guide cavity is gradually reduced.
Compared with the prior art, the invention has the beneficial effects that:
(1) when the invention is used, quicklime to be crushed is put into a coarse crushing cavity for primary crushing, the crushed quicklime material falls into a screening plate, small-particle quicklime material falls into a fine crushing cavity through screening holes for secondary crushing, the quicklime material with larger particles is conveyed into a discharge hole II under the action of a screening roller, at the moment, the quicklime material with larger particles can be collected by fixing a collecting bag at the port of the discharge hole II, when the quicklime material with small particles enters the fine crushing cavity through the screening holes, the quicklime material falls into the upper end surface of a grinding disc and slides to the edge of the grinding disc through the arc surface of the grinding disc, fine crushing is carried out again through the mutual matching of a crushing tooth I fixed on the side wall of the grinding disc and a grinding tooth II which is arranged on the inner wall of the fine crushing cavity and is matched with the grinding tooth I, and the crushed quicklime enters the discharge hole I through a partition plate, the pulverized lime powder is collected by a collecting bag at the later stage of convenience.
(2) According to the invention, the quicklime raw material is primarily crushed, the large-particle raw material is separated after crushing, and the small-particle quicklime raw material is secondarily crushed, so that the crushing effect is improved.
(3) According to the lime powder crusher, the movable door is provided with the window, heat generated by the motor I in the working process is dissipated through the window, the steel wire mesh is fixed on the window, dust and mosquito can enter the motor box, the bottom end of the inner wall of the fine crushing cavity is obliquely fixed with the partition plate, the discharge hole I is fixed at the lower end of the partition plate of the fine crushing cavity, crushed lime enters the discharge hole I through the oblique partition plate, and crushed lime powder is conveniently collected by the collection bag in the later period.
Therefore, the invention can simultaneously carry out secondary crushing on the same equipment and can automatically screen out large particles, thereby not only improving the efficiency, but also improving the crushing effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
fig. 4 is an enlarged view of the structure at B in fig. 2.
In the figure: 1. a coarse crushing cavity; 2. material scraping shafts; 3. a screening channel; 4. a screening plate; 5. finely crushing the cavity; 6. a fine grinding shaft; 7. a partition plate; 8. a motor case; 9. a first motor; 10. supporting legs; 11. screening the grippers; 12. a first discharge hole; 13. a grinding disc; 14. screening holes; 15. a discharge hole II; 16. a screening roller; 17. a coarse crushing roller; 18. a coarse grinding shaft; 19. a material guiding cavity; 20. a drive gear; 21. a second motor; 22. a belt; 23. a movable door; 24. and (4) a window.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention is shown: the utility model provides a quick lime milling device, includes from last to including coarse crushing cavity 1, screening passageway 3 and fine crushing cavity 5 down in proper order, and the bottom mounting of fine crushing cavity 5 has the supporting leg 10, coarse crushing cavity 1, screening passageway 3 and fine crushing cavity 5 in correspond respectively and be provided with coarse crushing mechanism, screening mechanism and fine crushing mechanism, coarse crushing mechanism includes that a pair of coarse crushing axle 18 fixes coarse crushing rod 17 on coarse crushing axle 18 and fixes outside coarse crushing cavity 1 and be used for driving coarse crushing axle 18 pivoted motor two 21, and a pair of coarse crushing axle 18 all fixes in coarse crushing cavity 1 through the bearing, and the right end of a pair of coarse crushing axle 18 all extends to coarse crushing cavity 1 outside and is fixed with the drive gear 20 of mutual adaptation, screening mechanism is including slope fixing the screening board 4 in screening passageway 3, lies in the material axle 2 of taking off of screening board 4 top and fixes the screening roller 16 on taking off the material axle 2, and the surface of the screening roller 16 is provided with screening grippers 11 at equal intervals, the material scraping shaft 2 is parallel to the coarse crushing shaft 18, and the right end of the material raking shaft 2 extends out of the screening channel 3 and is connected with the right end of one of the coarse crushing shafts 18 through a belt 22, a second discharge hole 15 is fixed at one end of the outer side wall of the screening channel 3 close to the lower part of the screening plate 4, and the surface of the screening plate 4 is provided with screening holes 14 at equal intervals, the fine crushing mechanism comprises a motor I9 fixed on the bottom end face of the fine crushing cavity 5, a fine crushing shaft 6 vertically fixed on the bottom end surface inside the fine crushing cavity 5 through a bearing and a grinding disc 13 fixed on the upper end of the fine crushing shaft 6, and the output shaft of the motor I9 is connected with the fine crushing shaft 6, the side wall of the grinding disc 13 is annularly provided with a first grinding tooth, and the inner wall of the fine crushing cavity 5 is annularly provided with a second grinding tooth matched with the first grinding tooth.
In this embodiment, a movable door 23 is hinged to one side wall of the motor box 8, so that the motor I9 is convenient to maintain.
In this embodiment, seted up window 24 on the dodge gate 23, the heat that motor 9 produced in the course of the work dispels the heat through the window, and is fixed with the wire net on the window 24, has in dustproof and the mosquito-proof worm enters into motor case 8.
In this embodiment, the slope of 5 inner walls bottom ends of fine crushing cavity is fixed with baffle 7, and fine crushing cavity 5 is located the lower one end of baffle 7 and is fixed with discharge gate one 12, and the quick lime after smashing enters into discharge gate one 12 through the baffle 7 of slope, makes things convenient for the later stage to collect the lime powder of smashing with the collection bag.
In this embodiment, the upper end surface of the grinding disc 13 is an arc-shaped slope surface, and the primarily pulverized material falls into the upper end surface of the grinding disc 13 and slides to the edge of the grinding disc 13 through the arc-shaped surface to perform secondary grinding.
In this embodiment, a tapered material guiding cavity 19 is fixed on the inner wall of the upper end of the coarse crushing cavity 1, and the caliber of the bottom end of the material guiding cavity 19 is gradually reduced, so that the material enters between the two coarse crushing rollers 18 in the coarse crushing cavity 1 through the material guiding cavity 19, the feeding is convenient, and the material cannot fall into other positions between the two crushing rollers 18.
The working principle is as follows: an external power supply is switched on, quicklime to be crushed is put into the coarse crushing cavity 1 for primary crushing, the crushed quicklime material falls into the screening plate 4, small-particle quicklime material falls into the fine crushing cavity 5 through the screening hole 14 for secondary crushing, the quicklime material with larger particles is conveyed into the discharge hole two 15 under the action of the screening roller 16, at the moment, the quicklime material with larger particles can be collected at the port of the discharge hole two 15 through the collection bag, when the quicklime material with small particles enters the fine crushing cavity 5 through the screening hole 14, the quicklime material falls into the upper end surface of the grinding disc 13 and slides to the edge of the grinding disc 13 through the arc surface, and fine crushing is carried out again through the mutual matching of the first crushing teeth fixed on the side wall of the grinding disc 13 and the second grinding teeth arranged on the inner wall of the fine crushing cavity 5 and matched with the first grinding teeth in a ring mode, the crushed lime enters the first discharge hole 12 through the partition plate 7, and the crushed lime powder is collected by a collection bag at the later stage conveniently.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.