CN211514634U

CN211514634U - Coal powder grinding device for coal preparation workshop

Info

Publication number: CN211514634U
Application number: CN201922285726.5U
Authority: CN
Inventors: 胡鑫; 付刚; 张建武; 樊华; 马强
Original assignee: Shanxi Gaoyi Steel Co ltd
Current assignee: Shanxi Gaoyi Steel Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-18
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a coal-making workshop is with buggy grinder relates to the coal technology field, specifically is a coal-making workshop is with buggy grinder, including last lapping plate and box, the pan feeding mouth has been seted up at the middle part of going up the lapping plate, the upper portion fixedly connected with feed bin of pan feeding mouth, one side fixedly connected with dead lever of going up the lapping plate, the surface of dead lever is rotated through the bearing and is connected with the connecting rod, the one end of connecting rod is passed through the bearing and is rotated and be connected with the carousel, one side fixedly connected with motor of box, lapping plate under the inside fixedly connected with of box, the lower surface of going up the lapping plate is connected with the upper surface sliding connection of lower lapping plate, the inside fixedly connected with. This coal powder grinder for workshop sets up through the cooperation of carousel and connecting rod, constitutes a crank link mechanism, has realized the reciprocating motion of lapping plate, and lower lapping plate fixes in the inside of box, and the upper portion of going up the lapping plate receives the restriction of slider to the mesh of lapping plate looks mutual friction about having reached.

Description

Coal powder grinding device for coal preparation workshop

Technical Field

The utility model relates to a system coal technical field specifically is a coal pulverizer grinding device for coal preparation workshop.

Background

The coal powder is coal with the particle size of less than 0.5 mm and is the most commonly used additive in cast iron molding sand. In recent years, coal powder and clay are prepared into a commodity (carbon clay) for supply markets abroad, the green sand for cast iron is added with the coal powder, the defect of sand sticking on the surface of a casting can be prevented, the surface smoothness of the casting is improved, the defect of sand inclusion can be reduced, the collapse function of the molding sand is improved, subcutaneous air holes can be effectively prevented from being generated for a green ductile iron piece, a circular vortex burner can be used, and air is not required to be preheated.

Although the pulverized coal fine grinding equipment of the coal quality detection system disclosed in the chinese utility model patent application publication No. CN207126634U, the pulverized coal fine grinding equipment of the coal quality detection system mainly realizes multiple times of extrusion of pulverized coal through the cooperation of the grinding plate and the inner wall of the grinding chamber, thereby realizing fine grinding of the pulverized coal; the setting of electric heat layer on the grinding room inner wall, the wet degree futilely of the control buggy of being convenient for, through the setting of lapping plate, screen cloth and electric heat layer, can be so that the buggy granularity and the humidity after the finish grinding reach the demand that the coal quality detected, however, this coal quality detecting system buggy finish grinding equipment, according to its design principle, this lapping plate only can scrape the grinding room when rotatory, exists and can't grind the buggy and grind the less shortcoming of dynamics.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a coal powder grinding device for coal preparation workshop has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a coal powder grinder for coal-making workshop, includes lapping plate and box, the pan feeding mouth has been seted up at the middle part of lapping plate, the upper portion fixedly connected with feed bin of pan feeding mouth, one side fixedly connected with dead lever of lapping plate, the surface of dead lever is rotated through the bearing and is connected with the connecting rod, the one end of connecting rod is rotated through the bearing and is connected with the carousel, one side fixedly connected with motor of box, the upper portion of carousel is connected with the output transmission of motor, lapping plate under the inside fixedly connected with of box, the lower surface of lapping plate and the upper surface sliding connection of lapping plate down, the inside fixedly connected with screen cloth of box.

Optionally, the upper surface of the upper grinding plate is provided with a sliding groove, the sliding groove is connected with a sliding block in a sliding manner, and the upper end of the sliding block is fixedly connected with the lower grinding plate.

Optionally, the upper end of the box body is slidably connected with a cover plate, one side of the box body is fixedly connected with a supporting plate, and the motor is fixedly connected to the upper surface of the supporting plate.

Optionally, the lower extreme fixedly connected with supporting leg of box, the lower extreme fixedly connected with buggy export of box, the buggy export sets up between the supporting leg, the through-hole has been seted up to the side of box, the inside grafting of through-hole has the connecting rod.

Optionally, the screen cloth is circular-arc, and the middle part is sunken downwards, the screen cloth sets up the below at lower lapping plate.

Optionally, one end of the rotary table and one side of the upper grinding plate are fixedly connected with fixing rods, and the two fixing rods are in transmission connection through connecting rods.

(III) advantageous effects

The utility model provides a coal-making workshop is with buggy grinder possesses following beneficial effect:

1. this coal powder grinder is used in system coal workshop, cooperation through carousel and connecting rod sets up, constitute a crank link mechanism, the reciprocating motion of lapping plate has been realized under the effect of motor, and lapping plate fixes the inside at the box down, and the upper portion of going up the lapping plate receives the restriction of slider, thereby lapping plate looks mutual friction's purpose about having reached, should set up simple structure, under the extrusion of slider and the effect of last lapping plate self weight, grind coarse coal powder repeatedly, it is fine and smooth to go out the powder, the demand in workshop has been satisfied.

2. This coal powder grinder is used in system coal workshop, cooperation through pan feeding mouth and feed bin sets up, the inside coarse coal powder of feed bin passes through the pan feeding mouth and falls gradually between the lapping plate from top to bottom, thereby make coarse coal powder grind into more fine and smooth powder in the friction of lapping plate from top to bottom, through the setting of screen cloth, the both sides of screen cloth are followed to the centre landing to the buggy of whereabouts after the grinding, make the fine powder whereabouts, the middlings is concentrated inside the recess at screen cloth middle part, thereby conveniently collect the great buggy of granule, and then grind once more.

Drawings

Fig. 1 is a schematic structural view of the cover plate of the present invention;

FIG. 2 is a schematic structural view of the through hole of the present invention;

FIG. 3 is a side sectional view of the present invention;

FIG. 4 is a schematic structural diagram of the screen of the present invention;

fig. 5 is a schematic structural diagram of the turntable and the connecting rod of the present invention.

In the figure: 1. an upper grinding plate; 2. a box body; 3. a feeding port; 4. a storage bin; 5. fixing the rod; 6. a connecting rod; 7. a turntable; 8. a motor; 9. a lower polishing plate; 10. screening a screen; 11. a chute; 12. a slider; 13. a cover plate; 14. a support plate; 15. supporting legs; 16. a pulverized coal outlet; 17. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 5, the present invention provides a technical solution: a coal powder grinding device for a coal preparation workshop comprises an upper grinding plate 1 and a box body 2, wherein the upper surface of the upper grinding plate 1 is provided with a chute 11, the inside of the chute 11 is slidably connected with a slide block 12, the upper end of the slide block 12 is fixedly connected with a lower grinding plate 9, the upper end of the box body 2 is slidably connected with a cover plate 13, one side of the box body 2 is fixedly connected with a support plate 14, a motor 8 is fixedly connected with the upper surface of the support plate 14, the lower end of the box body 2 is fixedly connected with a support leg 15, the lower end of the box body 2 is fixedly connected with a coal powder outlet 16, the coal powder outlet 16 is arranged between the support legs 15, the side surface of the box body 2 is provided with a through hole 17, the inside of the through hole 17 is inserted with a connecting rod 6, the middle part of the upper grinding plate 1 is provided with a feeding port 3, the upper part of the feeding port, thereby the coarse coal powder is ground into more fine powder in the friction of the upper grinding plate and the lower grinding plate, one side of the upper grinding plate 1 is fixedly connected with a fixed rod 5, the surface of the fixed rod 5 is rotatably connected with a connecting rod 6 through a bearing, one end of the connecting rod 6 is rotatably connected with a turntable 7 through a bearing, one end of the turntable 7 and one side of the upper grinding plate 1 are fixedly connected with the fixed rod 5, the two fixed rods 5 are in transmission connection through the connecting rod 6, a crank-link mechanism is formed through the matching arrangement of the turntable 7 and the connecting rod 6, the reciprocating motion of the upper grinding plate 1 is realized under the action of a motor 8, the lower grinding plate 9 is fixed inside the box body 2, the upper part of the upper grinding plate 1 is limited by a slide block 12, thereby the mutual friction purpose of the upper grinding plate and the lower grinding plate is realized, the arrangement structure is simple, under the extrusion of, the repetition grinds coarse coal powder, it is fine and smooth to go out the powder, workshop's demand has been satisfied, one side fixedly connected with motor 8 of box, the upper portion of carousel 7 is connected with motor 8's output transmission, lapping plate 9 under the inside fixedly connected with of box 2, the lower surface of going up lapping plate 1 and the upper surface sliding connection of lapping plate 9 down, the inside fixedly connected with screen cloth 10 of box 2, screen cloth 10 is circular-arcly, middle part undercut, screen cloth 10 sets up the below at lapping plate 9 down, setting through screen cloth 10, the both sides of screen cloth 10 are followed to the centre landing to the buggy of whereabouts after the grinding, make the fine powder whereabouts, the middlings are concentrated inside the recess at screen cloth 10 middle part, thereby conveniently collect the great buggy of granule, and then grind once more.

During the use, only need to put into the inside of feed bin 4 to coarse coal powder, under the work of motor 8, it is rotatory to drive carousel 7, cooperation through crank rocker mechanism, make connecting rod 6 drive lapping plate 1 and realize reciprocating motion, and it is whole through spout 11 and slider 12 to go up lapping plate 1, make the whole upper surface of gliding lapping plate 9 down, under the reciprocating motion of last lapping plate 1, coarse coal powder enters into the gap department between the lapping plate from pan feeding mouth 3, by repeated grinding, and flow from the left and right sides of lapping plate 9 down, fall the left and right sides of screen cloth 10, the slope landing downwards along screen cloth 10 again, the fine powder sees through screen cloth 10 and discharges from the buggy export, the middlings of screen cloth 10 is collected to the middlings, conveniently collect and carry out the secondary grinding.

In conclusion, the following steps: the coal powder grinding device for the coal preparation workshop forms a crank-link mechanism through the matching arrangement of the rotary table 7 and the connecting rod 6, realizes the reciprocating motion of the upper grinding plate 1 under the action of the motor 8, the lower grinding plate 9 is fixed in the box body 2, and the upper part of the upper grinding plate 1 is limited by the slide block 12, thereby achieving the purpose of mutual friction of the upper grinding plate and the lower grinding plate, the arrangement has simple structure, under the extrusion of the slide block 12 and the self weight of the upper grinding plate 1, coarse coal powder is repeatedly ground, the powder is fine and smooth, the requirements of the production workshop are met, through the matching arrangement of the feeding port 3 and the storage bin 4, the coarse coal powder in the storage bin 4 gradually falls between the upper grinding plate and the lower grinding plate through the feeding port 3, thereby the coarse coal powder is ground into more fine powder in the friction of the upper grinding plate and the lower grinding plate, through the arrangement of the screen 10, the falling coal powder slides down from the two sides of the, the fine powder falls down and the coarse powder is concentrated inside the groove in the middle of the screen 10, so that the pulverized coal with large particles can be conveniently collected and ground again.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a coal powder grinder for coal-making workshop, includes lapping plate (1) and box (2), its characterized in that: go up the middle part of abrasive sheet (1) and seted up pan feeding mouth (3), upper portion fixedly connected with feed bin (4) of pan feeding mouth (3), go up one side fixedly connected with dead lever (5) of abrasive sheet (1), the surface of dead lever (5) is rotated through the bearing and is connected with connecting rod (6), the one end of connecting rod (6) is rotated through the bearing and is connected with carousel (7), one side fixedly connected with motor (8) of box, the upper portion of carousel (7) is connected with the output transmission of motor (8), abrasive sheet (9) under the inside fixedly connected with of box (2), the lower surface of going up abrasive sheet (1) and the upper surface sliding connection of lower abrasive sheet (9), the inside fixedly connected with screen cloth (10) of box (2).

2. The pulverized coal grinding device for the coal preparation workshop as claimed in claim 1, wherein: go up lapping plate (1)'s upper surface and seted up spout (11), the inside sliding connection of spout (11) has slider (12), lapping plate (9) under the upper end fixedly connected with of slider (12).

3. The pulverized coal grinding device for the coal preparation workshop as claimed in claim 1, wherein: the upper end sliding connection of box (2) has apron (13), one side fixedly connected with backup pad (14) of box (2), motor (8) fixed connection is at the upper surface of backup pad (14).

4. The pulverized coal grinding device for the coal preparation workshop as claimed in claim 1, wherein: the lower extreme fixedly connected with supporting leg (15) of box (2), the lower extreme fixedly connected with buggy export (16) of box (2), buggy export (16) set up between supporting leg (15), through-hole (17) have been seted up to the side of box (2), the inside of through-hole (17) is pegged graft and is had connecting rod (6).

5. The pulverized coal grinding device for the coal preparation workshop as claimed in claim 1, wherein: the screen (10) is arc-shaped, the middle part of the screen is sunken downwards, and the screen (10) is arranged below the lower grinding plate (9).

6. The pulverized coal grinding device for the coal preparation workshop as claimed in claim 1, wherein: one end of the rotary table (7) and one side of the upper grinding plate (1) are fixedly connected with fixing rods (5), and the fixing rods (5) are in transmission connection through connecting rods (6).