CN219129523U - Multistage screening mechanism of limestone flour mill - Google Patents

Abstract

The utility model discloses a multistage screening mechanism of a limestone pulverizer, which relates to the technical field of limestone pulverizer, and comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a pulverizing box, the upper surface of the pulverizing box is fixedly communicated with a feed hopper, a pulverizing assembly is arranged in the pulverizing box, the lower part of the right side surface of the pulverizing box is fixedly communicated with a connecting cylinder, the upper surface of the bottom plate is fixedly connected with a first screening box, a second screening box, a third screening box and a waste powder box, the right end of the connecting cylinder is communicated with the inner part of the first screening box, and the inner walls of the first screening box, the second screening box and the third screening box are all rotationally connected with a screening cylinder. According to the utility model, through the matching arrangement of the motor, the screen drum, the inclined plate, the first guide hopper, the second guide hopper and the third guide hopper, the ground limestone powder can be automatically classified and screened, and the manual screening is not needed, so that the trouble and the labor are saved.

Description

Multistage screening mechanism of limestone flour mill

Technical Field

The utility model relates to the technical field of limestone flour mills, in particular to a multistage screening mechanism of a limestone flour mill.

Background

Limestone is usually processed into lime powder for use, a limestone mill is used for grinding limestone, and the use of the ground lime powder is usually used for producing portland cement, producing high-grade paper, being used as a filler, a desulfurization absorbent and the like in the production process of plastics, coatings and the like, and the diameters of the lime powder used for different purposes are different.

In order to meet the requirements of lime powder diameters in different lime powder applications, the lime powder after polishing needs to be screened, but the existing limestone grinding mill generally does not have a grading screening function, and manual screening is time-consuming and labor-consuming. To this end, we provide a multi-stage screening mechanism for a limestone mill which solves the above problems.

Disclosure of Invention

Technical problem to be solved

The utility model aims to make up the defects of the prior art and provides a multistage screening mechanism of a limestone grinding mill.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a multistage screening mechanism of lime stone milling machine, includes the bottom plate, the last fixed surface of bottom plate is connected with the milling case, the last fixed surface intercommunication of milling case has the loading hopper, the inside of milling case is provided with the milling subassembly, the lower part fixedly connected with connecting cylinder of milling case right flank, the last fixed surface of bottom plate is connected with first screening case, second screening case, third screening case and waste powder case, the right-hand member of connecting cylinder with the inside of first screening case is linked together, first screening case the second screening case with the inner wall of third screening case all rotates and is connected with a sieve section of thick bamboo, every the equal fixedly connected with swash plate of inner wall of a sieve section of thick bamboo, first screening case the second screening case with the right flank of third screening case is fixedly inlayed respectively and is had first guide hopper, second guide hopper and third guide hopper, the right-hand member of first guide hopper with the inside of second screening case is linked together, the right-hand member of second guide hopper with the inside of first screening case is linked together, the second guide hopper with the inside of third screening case is linked together, the third gear is linked together with the second gear, the equal fixed surface of third screening case is linked together with the second gear.

Above-mentioned, vibrating motor is installed to the bottom surface of milling case.

Above-mentioned, first guide hopper second guide hopper with the inclination of third guide hopper is greater than sealing door degree, just first guide hopper second guide hopper with the interior diapire of third guide hopper is smooth surface setting.

Above-mentioned, first screening case the second screening case the third screening case with collection basket has all been placed to the interior diapire of waste powder case, first screening case the second screening case the third screening case with the sealing door is all installed in the front of waste powder case.

The top end of each collecting basket is provided with an oblique angle.

Above-mentioned, first screening case the second screening case the third screening case with the observation window has all been fixed to the front of waste powder case, just the observation window adopts transparent glass material.

The beneficial effects are that:

compared with the prior art, the multistage screening mechanism of the limestone mill has the following beneficial effects:

1. according to the utility model, through the matching arrangement of the motor, the screen barrels, the inclined plate, the first guide hopper, the second guide hopper and the third guide hopper, the screen barrels can be driven to rotate by the aid of the arranged motor, the polished limestone powder can be classified and screened by the aid of the arranged three screen barrels, and the limestone powder which is not screened can be guided to the next screening box by the aid of the inclined plate, the first guide hopper, the second guide hopper and the third guide hopper, so that classification screening can be automatically carried out on the polished limestone powder, manual screening is not needed, and labor and effort are saved.

2. According to the utility model, through the collection basket and the sealing door, the screened limestone powder can be conveniently collected and taken, and through the oblique angle arranged at the top end of the collection basket, the limestone powder can be prevented from being accumulated at the top end of the collection basket.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a cross-sectional view taken along line A-A in FIG. 2 in accordance with the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present utility model;

fig. 5 is a schematic view of the structure of the collecting basket part of the present utility model.

In the figure: 1. a bottom plate; 2. a milling box; 3. a hopper; 4. a milling assembly; 5. a connecting cylinder; 6. a first screening box; 7. a second screening box; 8. a third screening box; 9. a waste powder box; 10. a screen drum; 11. a sloping plate; 12. a first guide hopper; 13. a second guide hopper; 14. a third guide hopper; 15. a first gear; 16. a motor; 17. a second gear; 18. a vibration motor; 19. a collection basket; 20. sealing the door; 21. and an observation window.

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.

As shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides a multistage screening mechanism of lime stone milling machine, includes bottom plate 1, and four supporting leg fixedly connected with milling box 2 are passed through to the upper surface of bottom plate 1, and the last fixed surface intercommunication of milling box 2 has loading hopper 3, and the inside of milling box 2 can be added through loading hopper 3 to the lime stone, and the inside of milling box 2 is provided with grinding subassembly 4, through the grinding subassembly 4 of setting, can carry out the crocus operation to the lime stone.

The bottom surface of milling case 2 is slope design, the fixed intercommunication in lower part of milling case 2 right flank has connecting cylinder 5, the last fixed surface of bottom plate 1 is connected with first screening case 6, second screening case 7, third screening case 8 and waste powder case 9, the right-hand member of connecting cylinder 5 is linked together with the inside of first screening case 6, the inside of first screening case 6 will be got into through connecting cylinder 5 to the lime powder after the crocus, vibrating motor 18 is installed to the bottom surface of milling case 2, through vibrating motor 18 that sets up, the condition that the lime powder that can avoid milling case 2 bottom appears unable inside of connecting cylinder 5 can be avoided.

The inner walls of the first screening box 6, the second screening box 7 and the third screening box 8 are all rotationally connected with screen barrels 10, the screening diameters of the three screen barrels 10 are sequentially increased from left to right, the lime stone powder which is the smallest directly falls on the bottom of the first screening box 6, a group of inclined plates 11 are fixedly connected to the inner wall of each screen barrel 10, the inclined plates 11 are equidistantly arranged, and large-particle lime powder which is not screened inside the screen barrels 10 can be brought to the upper side of the screen barrels 10 when the screen barrels 10 rotate through the arranged inclined plates 11.

The right side of the first screening box 6, the second screening box 7 and the third screening box 8 are respectively fixedly inlaid with a first guide hopper 12, a second guide hopper 13 and a third guide hopper 14, the right end of the first guide hopper 12 is communicated with the inside of the second screening box 7, the right end of the second guide hopper 13 is communicated with the inside of the third screening box 8, the right end of the third guide hopper 14 is communicated with the inside of the waste powder box 9, and the parts of the first guide hopper 12, the second guide hopper 13 and the third guide hopper 14, which are positioned in the first screening box 6, the second screening box 7 or the third screening box 8, are designed to be open on, and limestone powder brought to the high position by the sloping plate 11 in the screen cylinder 10 falls into the first guide hopper 12, the second guide hopper 13 or the inside of the third guide hopper 14 under the action of gravity.

The surface of three screening case 10 all fixedly connected with first gear 15, the equal fixedly connected with motor 16 of left surface of first screening case 6, second screening case 7 and third screening case 8, the output of three motor 16 runs through the left surface of first screening case 6 respectively, the left surface of second screening case 7 and the left surface of third screening case 8, and the output of motor 16 rotates with first screening case 6, second screening case 7 and third screening case 8 to be connected, the output of every motor 16 all fixedly connected with second gear 17, and second gear 17 meshes with first gear 15, when motor 16 starts, motor 16 work can drive second gear 17 and rotate, second gear 17 rotates and can drive first gear 15 and screening case 10 and rotate.

The inclination of the first guide hopper 12, the second guide hopper 13 and the third guide hopper 14 is larger than 20 degrees of the sealing door, and the inner bottom walls of the first guide hopper 12, the second guide hopper 13 and the third guide hopper 14 are smooth surfaces, so that the phenomenon that the first guide hopper 12, the second guide hopper 13 and the third guide hopper 14 can not slide down due to accumulation of limestone powder can be avoided.

The collection basket 19 has all been placed at the interior bottom wall of first screening case 6, second screening case 7, third screening case 8 and waste powder case 9, and the handle is installed to one side that is close to sealing door 20 in collection basket 19 top, and the top of every collection basket 19 is the oblique angle setting, through the oblique angle that sets up, can avoid limestone powder to pile up on the top of collecting basket 19, and sealing door 20 is all installed in the front of first screening case 6, second screening case 7, third screening case 8 and waste powder case 9, through the cooperation setting of collection basket 19 and sealing door 20, can be convenient for collect and take the limestone powder that sieves out.

The observation windows 21 are fixedly inlaid in the front surfaces of the first screening box 6, the second screening box 7, the third screening box 8 and the waste powder box 9, the observation windows 21 are made of transparent glass, and workers can observe the lime powder amount inside the collecting basket 19 conveniently through the arranged observation windows 21.

Working principle: when the device is used, firstly, limestone is added into the grinding box 2 through the hopper 3, the arranged grinding assembly 4 is utilized to grind the limestone added into the grinding box 2, the limestone is processed into lime powder and falls into the bottom of the grinding box 2, then, the lime powder falling into the bottom of the grinding box 2 enters the inside of the screen cylinder 10 in the first screening box 6 through the connecting cylinder 5 stone, then, the motor 16 is started, the motor 16 works to drive the second gear 17 to rotate, the second gear 17 rotates to drive the first gear 15 and the screen cylinder 10 to rotate, when the screen cylinder 10 rotates, the lime powder with smaller diameter in the lime powder in the screen cylinder 10 falls into the bottom of the first screening box 6 through the screen cylinder 10, the large-particle lime powder which is not screened in the screen cylinder 10 is brought to the top of the screen cylinder 10 by the inclined plate 11, the lime powder which moves to the top of the screen cylinder 10 falls into the first guide hopper 12 under the action of gravity, then the lime powder which enters the first guide hopper 12 slides into the second screening box 7 to screen again, the lime powder which is not screened in the second screening box 7 is screened into the third screening box 8 again, finally, the unqualified lime powder with larger particles falls into the bottom of the waste powder box 9 through the third guide hopper 14, so that the classifying screening function of the lime powder can be realized, and the classified screening of the lime powder after grinding can be automatically performed without manual screening, thereby saving trouble and labor.

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. The utility model provides a multistage screening mechanism of lime stone milling machine, includes bottom plate (1), its characterized in that: the utility model discloses a grinding machine, including bottom plate (1), milling box (2), connecting cylinder (5), first screening case (6), second screening case (7), third screening case (8) and waste powder case (9), the right-hand member of connecting cylinder (5) with the inside of first screening case (6), second screening case (7) with the inner wall of third screening case (8) is all rotated and is connected with screen drum (10), the inner wall of every screen drum (10) is a set of (11) of fixedly connected with, first screening case (6), second screening case (7) with the right flank of third screening case (8) is fixed with guide hopper (12) respectively, second guide hopper (13) and third screening case (13) are inlayed to the right-hand member of connecting cylinder (5) with the inside of first screening case (6), guide hopper (13) are linked together with the inside of third screening case (13), the right-hand member of third guide hopper (14) with the inside of useless powder case (9) is linked together, and is three the surface of screen (10) is equal fixedly connected with first gear (15), first screening case (6) second screening case (7) with the left surface of third screening case (8) is equal fixedly connected with motor (16), every the output of motor (16) is equal fixedly connected with second gear (17), just second gear (17) with first gear (15) mesh.

2. A multi-stage screening mechanism for a limestone mill as claimed in claim 1 wherein: the bottom surface of milling case (2) is installed vibrations motor (18).

3. A multi-stage screening mechanism for a limestone mill as claimed in claim 1 wherein: the inclination angle of the first guide hopper (12), the second guide hopper (13) and the third guide hopper (14) is larger than the sealing door (20), and the inner bottom walls of the first guide hopper (12), the second guide hopper (13) and the third guide hopper (14) are smooth surface settings.

4. A multi-stage screening mechanism for a limestone mill as claimed in claim 1 wherein: the waste powder collecting device is characterized in that the first screening box (6), the second screening box (7), the third screening box (8) and the inner bottom wall of the waste powder box (9) are respectively provided with a collecting basket (19), and sealing doors (20) are respectively arranged on the front faces of the first screening box (6), the second screening box (7), the third screening box (8) and the waste powder box (9).

5. A multi-stage screening mechanism for a limestone mill as claimed in claim 4 wherein: the top end of each collecting basket (19) is provided with an oblique angle.

6. A multi-stage screening mechanism for a limestone mill as claimed in claim 1 wherein: the first screening box (6), the second screening box (7), the third screening box (8) and the front of the waste powder box (9) are fixedly inlaid with an observation window (21), and the observation window (21) is made of transparent glass.

Images