CN117920426A - Novel powder grinding system - Google Patents

Abstract

The invention discloses a novel powder grinding system, which relates to the technical field of stone processing, wherein a rack is internally and fixedly provided with a grading separation mechanism and a storage mechanism, the grading separation mechanism is fixedly arranged on the rack and comprises a primary pulverizer and a secondary pulverizer, and one side of the primary pulverizer is connected with a feed hopper through a conveying belt; the storage mechanism is fixedly arranged on the frame and comprises a primary storage tank and a secondary storage tank, wherein the primary storage tank is communicated with the primary pulverizer, and the secondary storage tank is communicated with the secondary pulverizer. After the material is led into the feeding hopper, the material is transported into the primary crusher through the conveyor belt and is transferred to the storage bin through the negative pressure mechanism to finish discharging; to the material that does not accord with the back transmission grinding stirring storehouse, reentry the feeder hopper and carry out the preceding separation through grinding stirring storehouse after carrying out regrinding breakage, through the secondary pulverizer of establishing ties, the precision of screening is different, can also promote screening efficiency when guaranteeing the precision.

Description

Novel powder grinding system

Technical Field

The invention relates to the technical field of stone machining, in particular to a novel powder grinding system.

Background

The vertical crusher is a screen-bar-free and adjustable crushing device which is optimally designed on the basis of absorbing advanced crushing devices at home and abroad, and can be widely applied to one of main stream devices of mineral separation devices. The device can be used for the final crushing of various materials such as limestone, cement clinker, mixture, gypsum, gangue, slag, copper ore, iron ore and the like, is one of the most common crushing devices used in the compound fertilizer industry, is suitable for the crushing of raw materials and returned materials, and has strong adaptability, difficult blockage and smooth discharging especially for materials with high water content.

The material enters from the feed inlet, collides with the shell rotating at high speed in the shell, is extruded and crushed after being impacted, then collides with the hammer head after being impacted against the inner wall of the shell, and is changed into powder or particles with the size of less than 3mm after being impacted for several times in the falling process, and is discharged from the lower part.

The structure comprises parts such as lower frame, casing, upper and lower axle bed, main shaft, tup support, belt pulley, motor frame, and power drives the main shaft through the V belt and rotates, and the main shaft has two upper and lower bearing frames, and the bearing frame is installed in upper end and the lower extreme of casing, and the casing assembly is installed in lower frame, is equipped with tup, tup support on the main shaft, and the loading hopper is installed in casing upper portion, and in order to load and unload the tup convenience, it has the valve to open on the casing, the dismouting maintenance of being convenient for.

However, in the implementation process of the technical scheme, at least the following technical problems are found:

The pulverizer is a single pulverizing mechanism, so the pulverizing fineness of raw materials is single, the efficiency is lower, compatibility between the efficiency and the processed particle size cannot be realized, and therefore, a novel powder grinding system is provided.

Disclosure of Invention

(One) solving the technical problems

Aiming at the defects of the prior art, the invention provides a novel powder grinding system, which solves the technical problem of classified screening.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme:

A novel powder grinding system, which comprises a main body,

A frame, a grading separation mechanism and a storage mechanism are fixedly arranged in the frame,

The classifying separation mechanism is fixedly arranged on the frame and comprises a primary pulverizer and a secondary pulverizer, the added raw materials are pulverized through the primary pulverizer and the secondary pulverizer, one side of the primary pulverizer is connected with a feed hopper through a conveying belt, and the external raw materials are led into a subsequent classifying separation device through the conveying belt;

The storage mechanism is fixedly arranged on the frame and comprises a primary storage tank and a secondary storage tank, wherein the primary storage tank is communicated with the primary pulverizer, the secondary storage tank is communicated with the secondary pulverizer and is respectively used for storing materials after the primary pulverizer and the secondary pulverizer are pulverized.

Preferably, the system is further provided with a sub-packaging device, the sub-packaging device and the storage mechanism, and the sub-packaging device is arranged below the sub-packaging device and the automatic bagging mechanism to realize the output of bagging of the processed materials in the storage bin, but the automatic bagging equipment needs to be switched and then switched, and the pause of the processing equipment can be caused to influence the subsequent processing efficiency.

Preferably, the middle part of the frame is provided with a lifter, the two groups of separation mechanisms can be communicated and fed through the lifter, the lower left side of the lifter is connected with the primary storage tank, the upper end of the lifter is communicated with the secondary crusher through a pipeline, and primary processing raw materials taken out from the primary storage tank are lifted by the starting motor and added into the secondary crusher for secondary processing.

Preferably, a vibrating screen is arranged below the secondary storage tank, wherein the upper end of the vibrating screen is connected with the grinding and stirring bin, the lower end of the vibrating screen is communicated with the storage bin through a pipeline, a vibrating screen component is arranged in the middle of the vibrating screen, stone raw materials after secondary separation are screened, the raw materials after screening pass through the secondary separation, are leaked and then are pumped into the storage bin through negative pressure for subsequent discharging, and materials which are unqualified in screening enter the grinding and stirring bin through a feeding channel.

Preferably, a storage bin is arranged between the split charging device and the storage mechanism to store the crushed materials through the grading separation mechanism, so that when the bagging equipment is stopped and converted, the processed products do not need to be stopped, the equipment is damaged due to frequent switching on and off to reduce the efficiency, balance between discharging and processing speed is realized, and the utilization rate of the grinding equipment is improved.

Preferably, the middle part of the secondary pulverizer is connected with a grinding stirring bin through a guide pipe, the grinding stirring bin comprises an outer frame body, the outer frame body is of a hollow barrel structure, a primary grinding assembly and a secondary grinding assembly are arranged inside the outer frame body, a first filter screen and a second filter screen are respectively arranged inside the outer frame body, the first filter screen and the second filter screen are two groups of hollow roller designs with different diameters, two groups of spaces are formed in the outer frame body, the space in the first filter screen is a primary grinding cabin, and the space between the first filter screen and the second filter screen is a secondary grinding cabin.

Preferably, the first-stage grinding assembly comprises an inner stirring rod, a driving motor is fixedly arranged at the right end of the outer frame body, the inner stirring rod is coaxially and fixedly arranged at one side of the driving motor, the inner stirring rod is of a screw structure, a first filter screen is arranged in the outer frame body, raw materials which do not reach the grinding standard are crushed through mutual extrusion between the inner stirring rod and the first filter screen, powder after grinding leaks out through the first filter screen, and the powder which does not reach the particle size standard is continuously left in the first filter screen for grinding.

Preferably, the secondary grinding component comprises an external cutting wheel and an internal cutting wheel, a fixing frame is coaxially and fixedly arranged on the outer side of the internal stirring rod, the fixing frame is a hollow structure support, a plurality of groups of external cutting wheels are arranged on the outer ring of the fixing frame, a second filter screen is further arranged inside the outer frame, the internal cutting wheels are further arranged inside the second filter screen, the external cutting wheels and the internal cutting wheels are distributed in a staggered mode, secondary grinding is carried out in the second filter screen through extrusion of the external cutting wheels and the internal cutting wheels, and qualified powder after grinding is discharged after passing through the second filter screen.

Preferably, the outer frame body both sides still are provided with discharge gate and feed inlet, and the feed inlet is used for the entering of commodity circulation, is provided with control switch, with the pipe connection after with the material leading-in first filter screen in, discharge through the discharge gate after grinding of two-stage, accomplish the show to feeding and discharging structure.

Preferably, the second filter screen is internally provided with a combined filter plate, the combined filter plate adopts a composite structure, two groups of filter plates capable of rotating mutually are arranged in the combined filter plate, the two groups of filter plates comprise a fixed filter plate and a movable plate, wherein the two groups of filter plates are provided with a plurality of groups of filter holes for discharging materials after regrinding, the sizes of the filter holes can be adjusted through the overlapping of the two groups of filter plates, so that the control of the particle size of the filter materials is realized, an adjusting handle is fixedly arranged on the outer side of the movable plate, the positions of the two groups of filter plates can be adjusted by the adjusting handle, and the adjustment of the sizes of the filter holes is realized.

Preferably, the whole process of the grading separation mechanism and the storage mechanism is totally enclosed, the dust remover is arranged, the working environment is in a negative pressure state, the conveying of materials is ensured, the on-site processing environment can be ensured, and the damage of dust to workers is reduced.

Preferably, a controller is further arranged below the frame, wherein the controller is connected with the primary crusher, the secondary crusher, the grinding stirring bin, the storage bin and the sub-packaging device, and the controller is used for controlling the switch of the equipment and adjusting the related power.

(III) beneficial effects

After the materials are led into the feed hopper, the materials are firstly put into the hinge wheel and are uniformly stirred, then are conveyed into the primary pulverizer through the conveyor belt, are primarily sorted, and are conveyed into the storage bin through the negative pressure mechanism to finish discharging after meeting the requirements; to the material that does not accord with is returned to the grinding stirring storehouse, reentry to the feeder hopper after grinding the breakage again through the grinding stirring storehouse and carry out preceding sorting, carry out direct processing through the operation of grinding stirring storehouse with the unqualified material of screening, can flow into foretell screening subassembly again with the material after the processing, reduce unqualified material, promote the efficiency of screening, in addition when carrying out sorting, through establishing ties secondary pulverizer, the structure is similar with primary pulverizer, the precision of screening is different, can carry out the screening of classifying through the secondary screening, can also promote screening efficiency when guaranteeing the precision.

Drawings

The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.

FIG. 1 is an overall block diagram of a novel powder grinding system of the present invention;

FIG. 2 is a front cross-sectional view of a milling and stirring bin in a novel powder milling system according to the present invention;

FIG. 3 is a side cross-sectional view of a milling and stirring bin in a novel powder milling system according to the present invention;

fig. 4 is a partial block diagram of a combined filter plate in a novel powder grinding system according to the present invention.

Legend description: 1. a feed hopper; 2. a primary pulverizer; 3. a secondary pulverizer; 4. a secondary storage tank; 5. a vibrating screen;

6. Grinding and stirring the bin; 61. an outer frame body; 611. a discharge port; 612. a feed inlet; 62. a driving motor; 63. an inner stirring rod; 64. a first filter screen; 65. a fixing frame; 66. an outer cutting wheel; 67. an inner cutting wheel; 68. a second filter screen; 69. combining filter plates; 691. a movable plate; 692. filtering holes; 693. adjusting the handle;

7. a storage bin; 8. a first-stage storage tank; 9. a hoist; 10. a controller; 11. a conduit; 12. a split charging device; 13. and (3) a conveyor belt.

Detailed Description

The embodiment of the application solves the problem of low screening efficiency in the prior art by providing the novel powder grinding system, and the structure of the novel powder grinding system is similar to that of the primary pulverizer by connecting the secondary pulverizer in series, the screening precision is different, the classification screening can be performed by the secondary screening, and the screening efficiency can be improved while the precision is ensured.

Example 1

The technical scheme in the embodiment of the application aims to solve the problems of low screening mode and efficiency, and the overall thought is as follows:

Aiming at the problems existing in the prior art, the invention provides a novel powder grinding system, which comprises a frame, wherein a grading separation mechanism and a storage mechanism are fixedly arranged in the frame,

The classifying separation mechanism is fixedly arranged on the frame and comprises a primary pulverizer 2 and a secondary pulverizer 3, the added raw materials are pulverized through the primary pulverizer 2 and the secondary pulverizer 3, one side of the primary pulverizer 2 is connected with a feed hopper 1 through a conveying belt 13, and the external raw materials are led into a subsequent classifying separation device through the conveying belt 13;

The storage mechanism is fixedly arranged on the frame and comprises a primary storage tank 8 and a secondary storage tank 4, wherein the primary storage tank 8 is communicated with the primary pulverizer 2, and the secondary storage tank 4 is communicated with the secondary pulverizer 3 and is respectively used for storing materials after the primary pulverizer 2 and the secondary pulverizer 3 are pulverized.

The system is further provided with a sub-packaging device 12, the sub-packaging device 12 and a storage mechanism, and the sub-packaging device 12 is arranged below the sub-packaging device and is provided with an automatic bagging mechanism, so that the output of bagging materials processed in the storage bin 7 is realized, but automatic bagging equipment needs to be switched and then switched, and the suspension of the processing equipment can influence the subsequent processing efficiency.

The middle part of the frame is provided with a lifting machine 9, two groups of separation mechanisms can be communicated and fed through the lifting machine 9, the left side lower part of the lifting machine 9 is connected with a primary storage tank 8, the upper end of the lifting machine 9 is communicated with a secondary pulverizer 3 through a pipeline, and primary processing raw materials taken out from the primary storage tank 8 are lifted and added into the secondary pulverizer 3 through the lifting machine 9 by a starting motor to carry out secondary processing.

A vibrating screen 5 is arranged below the secondary storage tank 4, wherein the upper end of the vibrating screen 5 is connected with a grinding and stirring bin 6, the lower end of the vibrating screen 5 is communicated with a storage bin 7 through a pipeline, a vibrating screen component is arranged in the middle of the vibrating screen 5, stone raw materials after secondary separation are screened, the raw materials after screening pass through the screening are leaked out and then are pumped into the storage bin 7 through negative pressure for subsequent discharging, and the materials which are unqualified in screening enter the grinding and stirring bin 6 through a feeding channel,

Wherein be provided with storage silo 7 between partial shipment ware 12 and the storage mechanism, will be through the material storage after the fractionation mechanism smashes, realize when bagging-off equipment shut down conversion, the processing product need not shut down, frequently the on-off inefficiency also can harm equipment, realizes the balance between ejection of compact and the processing speed, promotes the utilization ratio to grinding equipment.

As shown in fig. 2, the middle part of the secondary pulverizer 3 is connected with a grinding and stirring bin 6 through a conduit 11, the grinding and stirring bin 6 comprises an outer frame body 61, the outer frame body 61 is of a hollow barrel structure, a primary grinding component and a secondary grinding component are arranged in the outer frame body 61, a first filter screen 64 and a second filter screen 68 are respectively arranged in the outer frame body 61, the first filter screen 64 and the second filter screen 68 are two groups of hollow rollers with different diameters, so as to divide the interior of the outer frame body 61 into two groups of spaces, wherein the space in the first filter screen 64 is a primary grinding cabin, the space between the first filter screen 64 and the second filter screen 68 is a secondary grinding cabin,

The first-stage grinding assembly comprises an inner stirring rod 63, a driving motor 62 is fixedly arranged at the right end of an outer frame body 61, the inner stirring rod 63 is coaxially and fixedly arranged at one side of the driving motor 62, the inner stirring rod 63 is of a screw structure, a first filter screen 64 is arranged in the outer frame body 61, raw materials which do not reach the grinding standard are crushed through mutual extrusion between the inner stirring rod 63 and the first filter screen 64, the ground powder leaks out through the first filter screen 64, and the powder which does not reach the particle size standard is continuously left in the first filter screen 64 for grinding,

The secondary grinding assembly comprises an external cutting wheel 66 and an internal cutting wheel 67, a fixing frame 65 is coaxially and fixedly arranged on the outer side of the internal stirring rod 63, the fixing frame 65 is a hollow-out structure bracket, a plurality of groups of external cutting wheels 66 are arranged on the outer ring of the fixing frame 65, a second filter screen 68 is further arranged inside the outer frame 61, the second filter screen 68 is further internally provided with the internal cutting wheel 67, the external cutting wheels 66 and the internal cutting wheels 67 are distributed in a staggered manner, the external cutting wheels 66 and the internal cutting wheels 67 are extruded by the external cutting wheels 66 and the internal cutting wheels 67 to grind the powder entering the second filter screen 68 for the second time, qualified powder after grinding is discharged after passing through the second filter screen 68,

The two sides of the outer frame body 61 are also provided with a discharge hole 611 and a feed hole 612, the feed hole 612 is used for the entry of logistics, a control switch is arranged, the materials are led into the first filter screen 64 after being connected with the guide pipe 11, the materials are discharged through the discharge hole 611 after two-stage grinding, the display of the feeding and discharging structure is completed,

As shown in fig. 3-4, the second filter screen 68 is internally provided with a combined filter plate 69, the combined filter plate 69 adopts a composite structure, two groups of filter plates capable of rotating mutually are arranged in the combined filter plate 69, the two groups of filter plates comprise a fixed filter plate and a movable plate 691, wherein the two groups of filter plates are provided with a plurality of groups of filter holes 692 for discharging the material after regrinding, the size of the filter holes 692 can be adjusted through overlapping the two groups of filter plates, thereby realizing the control of the particle size of the filter material, an adjusting handle 693 is fixedly arranged at the outer side of the movable plate 691, the adjusting handle 693 can adjust the positions of the two groups of filter plates, thereby realizing the adjustment of the size of the filter holes 692,

The whole process of the grading separation mechanism and the storage mechanism is totally enclosed, the dust remover is arranged, the working environment is in a negative pressure state, the conveying of materials is ensured, the on-site processing environment can be ensured, and the damage of dust to workers is reduced.

A controller 10 is also arranged below the frame, wherein the controller 10 is connected with the primary crusher 2, the secondary crusher 3, the grinding stirring bin 6, the storage bin 7 and the sub-crusher 12, and the controller 10 is used for controlling the switch of the equipment and adjusting the related power.

The whole action principle is as follows:

After the materials are led in through the feed hopper 1, the materials are firstly put into a hinge wheel for uniform stirring, then are conveyed into the primary pulverizer 2 through a conveying belt for preliminary separation, and after the requirements are met, the materials are conveyed into the storage bin 7 through a negative pressure mechanism for completing discharging; to the material that does not accord with the back-conveying of grinding stirring storehouse 6, reentry before carrying out in the feeder hopper 1 through grinding stirring storehouse 6 after carrying out regrinding breakage and select separately, carry out direct treatment through the operation of grinding stirring storehouse 6 with the unqualified material of screening, can flow in foretell screening subassembly again with the material after handling, reduce unqualified material, promote the efficiency of screening.

In addition, when sorting, through establishing ties the second grade rubbing crusher 3, the structure is similar with the first grade rubbing crusher 2, and the precision of screening is different, can carry out hierarchical screening through the second grade screening, can also promote screening efficiency when guaranteeing the precision.

Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present invention and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.

Claims (10)

1. A novel powder grinding system, characterized in that:

A frame, a grading separation mechanism and a storage mechanism are fixedly arranged in the frame,

The classifying separation mechanism is fixedly arranged on the frame and comprises a primary pulverizer (2) and a secondary pulverizer (3), wherein one side of the primary pulverizer (2) is connected with a feed hopper (1) through a conveying belt (13);

the storage mechanism is fixedly arranged on the frame and comprises a primary storage tank (8) and a secondary storage tank (4), wherein the primary storage tank (8) is communicated with the primary pulverizer (2), and the secondary storage tank (4) is communicated with the secondary pulverizer (3).

2. A novel powder milling system as claimed in claim 1, wherein: the system is also provided with a sub-packaging device (12), wherein the sub-packaging device (12) and a storage mechanism, and an automatic bagging mechanism is arranged below the sub-packaging device (12).

3. A novel powder milling system as claimed in claim 2, wherein: the middle part of the frame is provided with a lifting machine (9), the left side lower part of the lifting machine (9) is connected with a primary storage tank (8), and the upper end of the lifting machine (9) is communicated with the secondary pulverizer (3) through a pipeline.

4. A novel powder milling system as claimed in claim 3, wherein: wherein be provided with storage silo (7) between partial shipment ware (12) and the storage mechanism, second grade storage tank (4) below is provided with shale shaker (5), and wherein shale shaker (5) upper end is connected with grinding stirring storehouse (6), and shale shaker (5) below and storage silo (7) pass through the pipeline intercommunication, shale shaker (5) middle part is provided with vibration screening subassembly, will pass through the stone material raw materials after the second grade separation and sieve, and the raw materials after sieving pass through the negative pressure after spilling and carry out subsequent ejection of compact in storage silo (7), and the unqualified material of sieving enters into grinding stirring storehouse (6) through the pan feeding passageway.

5. A novel powder milling system as recited in claim 4, wherein: the utility model discloses a grinding stirring storehouse, including two-stage grinder (3), including grinding stirring storehouse (6), grinding stirring storehouse (6) are including outer frame body (61), outer frame body (61) are hollow cask structure, outer frame body (61) inside is provided with one-level grinding component and second grinding component, outer frame body (61) inside is provided with first filter screen (64) and second filter screen (68) respectively, first filter screen (64) and second filter screen (68) are two sets of different fretwork cylinder designs of diameter.

6. A novel powder milling system as recited in claim 5, wherein: the primary grinding assembly comprises an inner stirring rod (63), a driving motor (62) is fixedly arranged at the right end of an outer frame body (61), the inner stirring rod (63) is coaxially and fixedly arranged on one side of the driving motor (62), the inner stirring rod (63) is of a screw structure, and a first filter screen (64) is arranged inside the outer frame body (61).

7. A novel powder milling system as recited in claim 6, wherein: the secondary grinding assembly comprises an outer cutting wheel (66) and an inner cutting wheel (67), a fixing frame (65) is fixedly arranged on the outer side of the inner stirring rod (63) coaxially, the fixing frame (65) is a hollow-out structure support, a plurality of groups of outer cutting wheels (66) are arranged on the outer ring of the fixing frame (65), a second filter screen (68) is further arranged inside the outer frame body (61), the inner cutting wheels (67) are further arranged inside the second filter screen (68), and the outer cutting wheels (66) and the inner cutting wheels (67) are distributed in a staggered mode.

8. A novel powder milling system as recited in claim 7, wherein: the two sides of the outer frame body (61) are also provided with a discharge hole (611) and a feed inlet (612), the feed inlet (612) is provided with a control switch, and materials are led into the first filter screen (64) after being connected with the guide pipe (11) and are discharged through the discharge hole (611) after two-stage grinding.

9. A novel powder milling system as recited in claim 7, wherein: the second filter screen (68) is inside to be provided with combination filter plate (69), combination filter plate (69) adopts composite construction, and two sets of filter plates are including fixed filter plate and movable plate (691), and wherein two sets of filter plates all are provided with a plurality of groups of filtration pore (692), and wherein movable plate (691) outside fixed mounting has adjustment handle (693).

10. A novel powder milling system as claimed in claim 2, wherein: the whole process of the grading separation mechanism and the storage mechanism is totally enclosed, is provided with a dust remover,

A controller (10) is arranged below the frame, wherein the controller (10) is connected with the primary pulverizer (2), the secondary pulverizer (3), the grinding and stirring bin (6), the storage bin (7) and the sub-packaging machine (12).