CN217093715U - A broken and sieving mechanism of circulation for out of warehouse caking cement - Google Patents

Abstract

The utility model discloses a circulating crushing and screening device for discharging caked cement, which comprises a fixed frame, wherein a cement warehouse is fixed on the fixed frame, a belt conveyor is arranged on the fixed frame, a crushing valve is arranged at a feed opening of the cement warehouse, when the circulating crushing and screening device is used, cement stored in the cement warehouse falls onto the belt conveyor after being crushed by the crushing valve, is conveyed into a vibrating screen by the belt conveyor and a hoisting machine, passes through the screening of the vibrating screen, qualified products fall into an air chute and are conveyed out of a factory, massive cement with unqualified requirements enters a buffer bin by the vibrating screen, enters a tail feed inlet of the hoisting machine after being crushed again by a fine crusher below the buffer bin, enters the vibrating screen again for screening by the hoisting machine, enters the air chute for conveying and leaves the factory after being crushed circularly until qualified, and reduces the on-site transportation cost, and the quality of the cement leaving the factory is better.

Description

A broken and sieving mechanism of circulation for out of warehouse caking cement

Technical Field

The utility model relates to a cement conveying equipment field specifically is a broken and sieving mechanism of circulation for out-of-warehouse caking cement.

Background

At present, in a cement conveying system for leaving a warehouse, because cement has a caking phenomenon in the storage process of the cement in the warehouse, the cement with partial unqualified granularity still exists after the caking cement is crushed by a crushing valve at the bottom of the cement warehouse and is conveyed by a belt conveyor, a lifter for leaving the warehouse and an air chute and then directly leaves the factory, and the product image of a company is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a broken and sieving mechanism of circulation for out of warehouse caking cement for realize above-mentioned purpose.

The utility model provides a following technical scheme: a circulating crushing and screening device for discharging caked cement comprises a fixing frame, wherein a cement warehouse is fixed on the fixing frame, a belt conveyor is installed on the fixing frame, a crushing valve is installed at a discharging opening of the cement warehouse, the crushing valve is located at the upper end of the belt conveyor, a lifting machine is fixed at the discharging end of the belt conveyor, a vibrating screen is installed at the upper end of the lifting machine, an air chute is installed at the lower end of the vibrating screen, the vibrating screen is connected with a buffer bin, a fine grinding machine is connected with the discharging opening of the buffer bin, a hopper is fixed at the lower end of the lifting machine, and the hopper is located below the discharging ends of the belt conveyor and the fine grinding machine;

rotate in the fine grinding mill and be equipped with the bull stick, the side of bull stick is fixed with the crushing pole, the fine grinding mill is fixed with the motor, the output shaft and the bull stick transmission of motor are connected, install in the fine grinding mill and drive the gliding drive mechanism of bull stick along length direction.

Preferably, drive mechanism includes first bevel gear, second bevel gear, cam and spring, the output shaft of motor is equipped with the transmission groove that the cross-section is the rectangle, the one end of bull stick slides and inserts in the transmission groove, and is connected with the spring between the other end of bull stick and the fine pulverizer, the output shaft of first bevel gear and motor is coaxial fixed, second bevel gear and fine pulverizer rotate to be connected, and second bevel gear and first bevel gear meshing connection, cam and second bevel gear are coaxial fixed, the side integrated into one piece of bull stick has the flange, the side and the flange in close contact with of cam.

Preferably, the surface of the crushing rod is embedded with a groove.

Preferably, the crushing rod is obliquely arranged at the side of the rotating rod.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses when using, the cement that stores in the cement storehouse falls on band conveyer after broken valve is broken, carry into the shale shaker through band conveyer and lifting machine, through the screening of shale shaker, qualified product falls into air chute and carries out the factory, bulk cement of unqualified requirement gets into the surge bin through the shale shaker, get into the afterbody feed inlet of lifting machine after the fine pulverizer who passes through the surge bin is smashed once more, get into the shale shaker again through the transportation of lifting machine and carry out the screening, bulk cement circulates the breakage and gets into air chute after qualified and carries out the factory, reduce the on-the-spot transportation cost, and make the cement quality of leaving the factory better;

2. the utility model discloses install in the fine pulverizer and drive the bull stick and follow the gliding drive mechanism of length direction, drive the bull stick when the output shaft of motor rotates and rotate, and the output shaft of motor drives first bevel gear and rotates, and first bevel gear drives second bevel gear and rotates, and second bevel gear drives cam rotation, and under the spring action of cam and spring, the bull stick makes a round trip to slide, increases the stirring scope of crushing pole.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the fine pulverizer of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1 cement silo, 2 belt conveyors, 3 fixed frames, 4 lifting machines, 5 vibrating screens, 6 crushing valves, 7 air chutes, 8 transmission grooves, 9 buffer bins, 10 fine crushers, 11 hoppers, 12 springs, 13 grooves, 14 crushing rods, 15 first bevel gears, 16 second bevel gears, 17 cams, 18 flanges and 19 motors.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a circulating crushing and screening device for discharging caked cement comprises a fixed frame 3, a cement warehouse 1 is fixed on the fixed frame 3, a belt conveyor 2 is installed on the fixed frame 3, a crushing valve 6 is installed at a discharging opening of the cement warehouse 1, the crushing valve 6 is located at the upper end of the belt conveyor 2, a lifting machine 4 is fixed at a discharging end of the belt conveyor 2, a vibrating screen 5 is installed at the upper end of the lifting machine 4, an air chute 7 is installed at the lower end of the vibrating screen 5, the vibrating screen 5 is connected with a buffer bin 9, the discharging opening of the buffer bin 9 is connected with a fine grinding machine 10, a hopper 11 is fixed at the lower end of the lifting machine 4, the hopper 11 is located below the discharging ends of the belt conveyor 2 and the fine grinding machine 10, when in use, cement stored in the cement warehouse 1 falls onto the belt conveyor 2 after being crushed by the crushing valve 6 and is conveyed into the vibrating screen 5 by the belt conveyor 2 and the lifting machine 4, through the screening of shale shaker 5, qualified product falls into air chute 7 back and carries and dispatches from the factory, and bulk cement of unqualified requirement gets into surge bin 7 through shale shaker 5, gets into the afterbody feed inlet of lifting machine 4 after the fine pulverizer 10 through surge bin 7 below is smashed once more, gets into shale shaker 5 through the transportation of lifting machine 4 again and screens, and bulk cement circulates the breakage and gets into air chute 7 after qualified and carries and dispatches from the factory, reduces the on-the-spot cost of transporting, and makes the cement quality of dispatching from the factory better.

The internal rotation of fine pulverizer 10 is equipped with the bull stick, the side of bull stick is fixed with crushing pole 14, fine pulverizer 10 is fixed with motor 19, motor 19's output shaft and bull stick transmission are connected, install in the fine pulverizer 10 and drive the bull stick along the gliding drive mechanism of length direction, bold cement falls into fine pulverizer 10 in, under motor 19's drive, the bull stick rotates and drives crushing pole 14 and rotate, stir garrulous cement piece when crushing pole 14 rotates, and under drive mechanism's drive, the bull stick slides in the direction of length, increase crushing pole 14's stirring scope.

As a technical optimization scheme of the utility model, the transmission mechanism includes a first bevel gear 15, a second bevel gear 16, a cam 17 and a spring 12, the output shaft of a motor 19 is provided with a transmission groove 8 with a rectangular cross section, one end of a rotating rod is slidably inserted in the transmission groove 8, and the spring 12 is connected between the other end of the rotating rod and a fine pulverizer 10, the first bevel gear 15 and the output shaft of the motor 19 are coaxially fixed, the second bevel gear 16 and the fine pulverizer 10 are rotatably connected, and the second bevel gear 16 and the first bevel gear 15 are meshed and connected, the cam 17 and the second bevel gear 16 are coaxially fixed, the flange 18 is integrally formed on the side of the rotating rod, the side of the cam 17 is in close contact with the flange 18, one end of the rotating rod is inserted in the transmission groove 8, so that the output shaft of the motor 19 drives the rotating rod to rotate when rotating, and the output shaft of the motor 19 drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the second bevel gear 16 to rotate, the second bevel gear 16 drives the cam 17 to rotate, and the rotating rod slides back and forth under the action of the cam 17 and the elastic force of the spring 12.

As a technical optimization scheme of the utility model, crushing rod 14's surface embedding is equipped with recess 13, through recess 13's setting for crushing rod 14 constantly overturns the cement piece in the fine grinding mill 10 in the pivoted, promotes crushing effect.

As a technical optimization scheme of the utility model, smash 14 the side slant setting at the bull stick of pole.

The working principle is as follows: when the utility model is used, cement stored in the cement silo 1 falls on the belt conveyor 2 after being crushed by the crushing valve 6, is conveyed into the vibrating screen 5 through the belt conveyor 2 and the hoisting machine 4, qualified products fall into the air chute 7 and are conveyed out of the factory through screening of the vibrating screen 5, massive cement with unqualified requirements enters the buffer bin 7 through the vibrating screen 5, enters the tail feed inlet of the hoisting machine 4 after being crushed again by the fine grinding machine 10 below the buffer bin 7, enters the vibrating screen 5 again for screening through transportation of the hoisting machine 4, massive cement is circularly crushed until being qualified and then enters the air chute 7 for conveying out of the factory, the site conveying cost is reduced, the cement quality of the factory is better, a transmission mechanism for driving the rotating rod to slide along the length direction is installed in the fine grinding machine 10, the rotating rod is driven to rotate when the output shaft of the motor 19 rotates, and the output shaft of the motor 19 drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the second bevel gear 16 to rotate, the second bevel gear 16 drives the cam 17 to rotate, and under the action of the cam 17 and the elastic force of the spring 12, the rotating rod slides back and forth, so that the stirring range of the crushing rod 14 is enlarged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. The utility model provides a broken and sieving mechanism of circulation for going out of warehouse caking cement, includes mount (3), its characterized in that: the cement bin comprises a fixing frame (3), a cement bin (1) and a belt conveyor (2) installed on the fixing frame (3), a crushing valve (6) is installed at a discharging opening of the cement bin (1), the crushing valve (6) is located at the upper end of the belt conveyor (2), a discharging end of the belt conveyor (2) is fixed with a lifting machine (4), a vibrating screen (5) is installed at the upper end of the lifting machine (4), an air chute (7) is installed at the lower end of the vibrating screen (5), the vibrating screen (5) is connected with a buffer bin (9), the discharging opening of the buffer bin (9) is connected with a fine pulverizer (10), a hopper (11) is fixed at the lower end of the lifting machine (4), and the hopper (11) is located below the discharging ends of the belt conveyor (2) and the fine pulverizer (10);

fine pulverizer (10) internal rotation is equipped with the bull stick, the side of bull stick is fixed with crushing pole (14), fine pulverizer (10) are fixed with motor (19), the output shaft and the bull stick transmission of motor (19) are connected, install in fine pulverizer (10) and drive the gliding drive mechanism of bull stick along length direction.

2. The circulating crushing and screening device for ex-warehouse agglomerated cement according to claim 1, wherein: the transmission mechanism comprises a first bevel gear (15), a second bevel gear (16), a cam (17) and a spring (12), wherein the output shaft of the motor (19) is provided with a transmission groove (8) with a rectangular cross section, one end of a rotating rod is slidably inserted into the transmission groove (8), the spring (12) is connected between the other end of the rotating rod and the fine pulverizer (10), the output shafts of the first bevel gear (15) and the motor (19) are coaxially fixed, the second bevel gear (16) is rotatably connected with the fine pulverizer (10), the second bevel gear (16) is meshed with the first bevel gear (15), the cam (17) and the second bevel gear (16) are coaxially fixed, the side surface of the rotating rod is integrally formed with a flange (18), and the side surface of the cam (17) is in close contact with the flange (18).

3. The circulating crushing and screening device for ex-warehouse agglomerated cement according to claim 1, wherein: the surface of the crushing rod (14) is embedded with a groove (13).

4. The circulating crushing and screening device for ex-warehouse agglomerated cement according to claim 1, wherein: the crushing rod (14) is obliquely arranged on the side surface of the rotating rod.

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