CN117225537B - Special milling machine of ore - Google Patents

Abstract

The invention relates to the technical field of ore grinding, in particular to a special grinding machine for ore, which adopts an ore mutual collision mode to grind, has no easy-to-wear grinding parts, reduces the time and maintenance cost of shutdown maintenance, and reduces the time delay; the device comprises a lower box body, an upper box body, an air conveying pipe and a collecting box, wherein the upper box body is arranged on the lower box body, and the air conveying pipe is connected with the upper box body and the collecting box; still include adjustment mechanism, acceleration mechanism and steering mechanism, the both sides symmetry of lower box bottom sets up two grooves that link up, the adjacent slope of two grooves all points to the middle part of the crocus cavity of lower box, acceleration mechanism installs in two grooves, acceleration mechanism throws out the ore of two groove bottoms along the adjacent slope of groove with higher speed, adjustment mechanism installs on two grooves of lower box, adjustment mechanism changes along the easy broken degree of the gliding ore of groove, steering mechanism is used for changing the angle that acceleration mechanism throwed out the ore.

Description

Special milling machine of ore

Technical Field

The invention relates to the technical field of ore grinding, in particular to a grinding machine special for ores.

Background

The ore is a mineral aggregate, and there are metallic minerals and nonmetallic minerals, and in order to more conveniently extract useful minerals from the mineral aggregate, it is necessary to process the ore, grind the ore into powder, and extract the useful minerals from the ore.

In the prior art, various ore milling machines are proposed, for example, the invention patent with publication number CN115254317A discloses an ore screening and rolling integrated machine for mining processing, the equipment is used for crushing ores through rolling impact of steel balls in a ball mill, ore materials crushed by the ball mill directly fall into a screening frame through meshes of an inner barrel of the ball mill, and the screening frame can shake up and down and simultaneously shake in parallel, so that the ore materials piled together are thoroughly shaken apart, and the ore materials are screened with high efficiency.

In the prior art, the ore is ground by adopting hard collision and hard grinding modes such as rolling, extrusion, grinding and the like, the grinding mode has low use cost, is suitable for grinding in batches, but also has the problem that grinding parts such as grinding discs, grinding rollers and the like are seriously worn, when hard impurities are mixed in the ore, the abrasion is more obvious, after the abrasion is to a certain extent, the machine is required to be stopped for maintenance, the maintenance cost is high, and the working hours are delayed.

Disclosure of Invention

In order to solve the technical problems, the special ore grinding machine provided by the invention adopts an ore mutual collision mode to grind, has no easy-to-wear grinding parts, reduces the time and maintenance cost of shutdown maintenance, and delays less time.

The invention relates to a special grinding machine for ores, which comprises a lower box body, an upper box body, an air conveying pipe and a collecting box, wherein the upper box body is arranged on the lower box body; the device comprises a lower box body, a feeding pipe, an adjusting mechanism, an accelerating mechanism and a steering mechanism, wherein the two sides of the bottom of a grinding cavity of the lower box body are symmetrically provided with two through grooves, adjacent slopes of the two grooves are respectively directed to the middle part of the grinding cavity of the lower box body, the feeding pipe extends into the upper parts of the middle parts of the two grooves respectively, the accelerating mechanism is arranged in the two grooves and is used for accelerating and throwing out ores at the bottom of the two grooves along the adjacent slopes of the grooves, the adjusting mechanism is arranged on the two grooves of the lower box body, the adjusting mechanism is used for changing the easy breaking degree of the ores sliding along the grooves, and the steering mechanism is used for changing the angle of throwing out the ores by the accelerating mechanism; during operation, ore passes through the inlet pipe and inputs into two slots of lower box, the acceleration mechanism operation throws out the left side of the downward box of ore slope in two slots, make the ore collide at the middle part of the crocus cavity of lower box, make the ore broken, broken ore powder that reaches standard granularity is diffused in the crocus cavity and is input to the collecting box along with the air current through the wind send pipe, gaseous filter cloth discharge through the collecting box, the ore powder is collected in the collecting box, the edge of crocus cavity is burst down after the ore collision that does not reach standard, and a distance is moved down to the left side of lower box, the ore falls down after two slots are along two slopes of back of the body and slide down to the slot bottom, in the in-process of ore gliding, adjustment mechanism changes the temperature of ore, state such as electrified, make the ore more broken, the continuous operation of acceleration mechanism is with the continuous throwing out of ore collision crushing, after a period of working, the angle that the acceleration mechanism throws out the ore changes to the right side of lower box, thereby make the ore wholly move down the right side of box, the ore, the realization is not reached, the repeated circulation after the ore collision, the wind send pipe is high, the problem of carrying out the wind is avoided, the powder through the wind send the wind to the air duct is reduced, the particle size is reduced, the problem is broken down is avoided greatly, the powder is broken down, the fan is high, the maintenance is needed to be sent down, the powder to the particle size is reduced, the maintenance is reduced, the problem is high is easy to be broken, the equipment is high, and the powder is high, the maintenance is easy and the powder is easy and has high maintenance.

Preferably, the adjusting mechanism is a refrigerator and a heater, the refrigerator is arranged on one groove of the lower box body, and the heater is arranged on the other groove; the heater of adjustment mechanism will follow the gliding ore heating of slot, when the ore that is heated falls on the opposite side slot, the refrigerator cools down the ore for the ore quenching is suddenly hot, thereby makes the ore pass through the thermal stress breakage, and the different ore hardness of cold and hot temperature is different simultaneously, and it is broken more easily when bumping to improve the effect of ore crocus.

Preferably, the adjusting mechanism is an eddy current coil, and the eddy current coil is arranged on the inner wall outside the two grooves; when the ore is metal ore, after the metal ore passes through the vortex coil, the metal substances in the metal ore are heated and generate larger temperature difference with other impurities, so that thermal stress is generated, the ore is more easily crushed during collision, and the ore grinding effect is improved.

Preferably, the regulating mechanism is a positive electrode plate and a negative electrode plate, and the positive electrode plate and the negative electrode plate are respectively arranged on the outer slopes of the two grooves; an electric field is formed between the positive electrode plate and the negative electrode plate, and polarization phenomenon occurs at the boundary of minerals by utilizing the dielectric constants and the conductivities of different minerals in the minerals, namely plasma is generated; in the plasma, due to the electric interaction among ion groups, oscillation occurs in an ion existence area, so that transverse waves and longitudinal waves are generated and transmitted into mineral particles, accumulation and expansion are achieved at different positions of mineral components, the purpose of crushing minerals is achieved, the minerals are more easily crushed during collision, and the effect of grinding the minerals is improved.

Preferably, the ore guide box further comprises a plurality of flitch plates and a plurality of partition plates, wherein the flitch plates are paved on the inner walls of the two grooves in the lower box body, the partition plates are uniformly installed on the outer slopes and the bottoms of the two grooves, and the partition plates guide sliding ores respectively; the lower box body is protected by the plurality of flitch plates, so that the plurality of flitch plates are worn and torn firstly, worn flitch plates are replaced during maintenance, the plurality of baffle plates separate and guide ores sliding towards the bottoms of the two grooves, the ores fully act on the adjusting mechanism, and the grinding effect is improved.

Preferably, the grinding machine further comprises two screen plates and two flashboards, wherein the two screen plates are respectively arranged at two sides of the lower box body, the inner ends of the two screen plates extend into the grinding cavity, the two screen plates are respectively positioned at two ends of the two grooves, the outer ends of the two screen plates extend out of the outer side of the lower box body through openings on the lower box body, and the flashboards are movably inserted into the openings of the lower box body; normal ore is smashed by the collision in the ore, and the impurity that hardness is high can not be smashed, can not be by the kibbling impurity when removing the one end of two slots, is intercepted by the sieve, after the operating period, opens the flashboard, makes the external world of the hard impurity discharge lower box of interception through the sieve to reduce the wearing and tearing of hard impurity to equipment, improve the reliability.

Preferably, the accelerating mechanism comprises a base, a plurality of air pipes and a plurality of spray heads, wherein the base is arranged below the lower box body, the plurality of air pipes are respectively and rotatably arranged on two sides of the base, the output ends of the plurality of air pipes are respectively and obliquely provided with the spray heads, the plurality of air pipes are respectively and rotatably connected with the bottoms of two grooves of the lower box body, the plurality of spray heads extend into the bottoms of the two grooves, the plurality of spray heads respectively spray air along two slopes adjacent to the two grooves, and the steering mechanism drives the plurality of air pipes to synchronously rotate; the input ends of the air pipes are connected with a high-pressure air system, the high-pressure air system is used for jetting air to the bottoms of the two grooves through the air pipes and the spray heads, so that ores are thrown out along with the high-pressure air flow to the middle of the grinding chamber at a high speed, the ores are crashed, and the up-to-standard ores enter the collecting box through the air conveying pipe along with the air flow, when the ores need to be moved in the opposite direction, the steering mechanism drives the air pipes to synchronously rotate, so that the orientation of the spray heads is converted, and the reciprocating cyclic collision crashing of the ores is realized.

Preferably, the steering mechanism comprises a plurality of first gears, a sliding table, two racks and a pushing cylinder, wherein the first gears are respectively and concentrically arranged at the lower ends of a plurality of air pipes, the sliding table is slidably arranged on the base, the racks are respectively arranged at two sides of the sliding table, the two racks are respectively meshed with the first gears, the fixed end of the pushing cylinder is arranged on the base fan, and a piston rod of the pushing cylinder is connected with the sliding table; when the direction of a plurality of spray heads needs to be changed, the piston rod of the pushing cylinder drives the sliding table and the two racks to move, and the two racks are meshed with the first gears, so that the plurality of air pipes and the plurality of spray heads are driven to synchronously rotate, the direction of the plurality of spray heads is changed, and the practicability is good.

Preferably, the accelerating mechanism comprises two shaft tubes, a plurality of shifting plates, a double-output-shaft gear motor and two transmission components, wherein the two shaft tubes are respectively and rotatably arranged at the bottoms of two grooves of the lower box body, the plurality of shifting plates are respectively and rotatably arranged on the outer walls of the two shaft tubes through rotating shafts, the two shaft tubes are respectively provided with a steering mechanism, the steering mechanism changes the angles of the shifting plates, the double-output-shaft gear motor is arranged outside the lower box body, the double-output-shaft gear motor is provided with two output shafts, and the two output shafts of the double-output-shaft gear motor are respectively connected with the two shaft tubes through transmission of the two transmission components; the double-output-shaft gear motor drives the two shaft tubes to rotate through the two transmission assemblies, the two shaft tubes drive the plurality of poking plates to rotate, the plurality of poking plates poke ores at the bottoms of the two grooves to be thrown out in an accelerating mode, the ores collide with the middle of the grinding chamber, when the ores need to be moved in the opposite direction, the steering mechanism drives the plurality of poking plates to synchronously rotate, the angles of the plurality of poking plates change, and the ore is crushed through reciprocating circular collision.

Preferably, the steering mechanism comprises a plurality of half crown gears, two shaft rods, a plurality of gears, two threaded first end heads, two spline joints, two second end heads and two nuts, wherein the inner ends of rotating shafts of a plurality of shifting plates are concentrically provided with the half crown gears, the two shaft rods are concentrically rotatably arranged in the two shaft tubes respectively, the gears are concentrically provided with the gears, the gears are meshed with the half crown gears respectively, the outer ends of the two shaft rods are respectively provided with a first threaded end head, spline grooves are respectively arranged on the outer walls of the first threaded end heads, the first threaded end heads are concentrically and rotatably connected with the two shaft tubes respectively, the side wall sections of the two spline joints are in a step shape, the outer ends of the two spline joints are provided with inner holes of small diameter, the inner walls of the first inner holes are in matched connection with the first spline grooves, the inner ends of the two spline joints are provided with inner holes of large diameter, the inner walls of the second inner holes are provided with spline grooves, the outer ends of the two spline joints are respectively provided with the first spline grooves, the two spline joints are in matched with the two spline grooves, and the two spline joints are respectively connected with the two spline joints in a sliding mode, and the two spline joints are respectively in a sliding mode; when the angles of a plurality of shifting plates need to be converted, after the double-output shaft gear motor stops, the nut is loosened, the spline joint moves towards the outer end of the first threaded end head, so that the second inner hole of the spline joint is separated from the second threaded end head, the first threaded end head is rotated at the moment, the threaded end head drives a shaft rod to rotate, the shaft rod drives a plurality of gears to rotate, the gears synchronously mesh with the gears to rotate, the gears synchronously drive the rotating shafts of the shifting plates to rotate, the angles of the shifting plates are changed, the spline joint slides towards the inner end of the first threaded end head, the second spline on the inner hole of the spline joint is matched and connected with the second spline groove of the second threaded end head, and the spline joint is synchronously connected with the first threaded end head and the second threaded end head through the first spline and the second spline.

Compared with the prior art, the invention has the beneficial effects that: the repeated circulating collision crushing of the ore can be realized, and the grinding of the ore is realized; the particle size of ore powder collected by the collecting box can be adjusted by adjusting the height of the air conveying pipe, and the larger the height of the air conveying pipe is, the smaller the ore powder particles are; the ore is adopted to grind in a mutual collision mode, so that the problem that grinding parts are easy to wear in the prior art is avoided, the time for shutdown maintenance is shortened, the maintenance cost is reduced, and the time delay is less.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic side sectional structure of embodiments 1 and 3 of the present invention;

FIG. 3 is a schematic view showing the structure of the lower case, the adjusting mechanism, the accelerating mechanism and the steering mechanism of embodiment 3 of the present invention;

FIG. 4 is a schematic view showing the structure of an acceleration mechanism and a steering mechanism according to embodiment 3 of the present invention;

FIG. 5 is a schematic illustration of the axially measured structure of embodiments 1 and 2 of the present invention;

FIG. 6 is a schematic side sectional structure of embodiments 1 and 2 of the present invention;

fig. 7 is a schematic structural view of a lower case, an upper case, an adjusting mechanism, an accelerating mechanism and a steering mechanism of embodiment 2 of the present invention;

fig. 8 is a schematic structural view of an acceleration mechanism and a steering mechanism of embodiment 2 of the present invention;

FIG. 9 is a schematic view of a partial enlarged structure at A in FIG. 8;

FIG. 10 is a schematic view of a partially enlarged structure at B in FIG. 8;

fig. 11 is a schematic structural view of an exploded state of an acceleration mechanism and a steering mechanism of embodiment 2 of the present invention.

The reference numerals in the drawings: 1. a lower box body; 2. an upper case; 3. an air supply pipe; 4. a collection box; 5. an adjusting mechanism; 6. an acceleration mechanism; 7. a steering mechanism; 8. pasting a board; 9. a partition plate; 10. a sieve plate; 11. a flashboard; 12. a base; 13. an air pipe; 14. a spray head; 15. a first gear; 16. a sliding table; 17. a rack; 18. pushing a cylinder; 19. a shaft tube; 20. a poking plate; 21. a double-output shaft gear motor; 22. a transmission assembly; 23. a half crown gear; 24. a shaft lever; 25. a second gear; 26. a first thread end head; 27. a spline joint; 28. a second end head; 29. and (3) a nut.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. This invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

As shown in fig. 1, 2, 5 and 6, the special grinding machine for ores comprises a lower box body 1, an upper box body 2, an air conveying pipe 3 and a collecting box 4, wherein the upper box body 2 is arranged on the lower box body 1, the lower box body 1 and the upper box body 2 form a complete box body, a grinding chamber is arranged in the box body, the input end of the air conveying pipe 3 extends into the grinding chamber through the upper box body 2, the output end of the air conveying pipe 3 extends into the collecting box 4, the collecting box 4 is used for collecting ore powder, and a filter cloth is arranged on an air outlet of the collecting box 4; the device comprises a lower box body 1, a grinding chamber, a feeding pipe, an adjusting mechanism 5, an accelerating mechanism 6 and a steering mechanism 7, wherein two through grooves are symmetrically arranged on two sides of the bottom of the grinding chamber of the lower box body 1, slopes adjacent to the two grooves are all directed to the middle part of the grinding chamber of the lower box body 1, the feeding pipe extends into the upper part of the middle part of the two grooves respectively, the accelerating mechanism 6 is arranged in the two grooves, the ore at the bottom of the two grooves is accelerated and thrown out along the slopes adjacent to the grooves by the accelerating mechanism 6, the adjusting mechanism 5 is arranged on the two grooves of the lower box body 1, the adjusting mechanism 5 changes the easy breaking degree of the ore sliding along the grooves, and the steering mechanism 7 is used for changing the angle of the ore thrown out by the accelerating mechanism 6; the adjusting mechanism 5 is a refrigerator and a heater, the refrigerator is installed on one groove of the lower case 1, and the heater is installed on the other groove.

In operation, ore is input into two grooves of the lower box body 1 through a feed pipe, the accelerating mechanism 6 operates to throw the ore in the two grooves obliquely downwards to the left side of the lower box body 1, so that the ore collides with the middle part of the grinding chamber of the lower box body 1, the ore is crushed, the ore powder crushed into standard granularity is diffused in the grinding chamber and is input into the collecting box 4 along with air flow through the air conveying pipe 3, the air is discharged through the filter cloth of the collecting box 4, the ore powder is collected into the collecting box 4, the unqualified ore collides and falls down to the edge of the grinding chamber and moves a certain distance to the left side of the lower box body 1, the ore slides down to the bottom of the groove along two slopes opposite to the two grooves after falling down, the heater of the adjusting mechanism 5 heats the ore sliding along the grooves during the ore sliding down, when the heated ore falls onto the groove on the other side, the refrigerator cools the ore, so that the ore is quenched and suddenly heated, the ore is crushed by thermal stress, meanwhile, the hardness of the ore with different cold and hot temperatures is different, the ore is easier to crush when in collision, the accelerating mechanism 6 continuously operates to throw out the ore for collision crushing, after a period of operation, the steering mechanism 7 operates to change the angle of the ore thrown out by the accelerating mechanism 6 to the right side of the downward box body 1, so that the ore integrally moves to the right side of the downward box body 1, the repeated cyclic collision crushing of the ore is realized, the grinding of the ore is realized, the granularity of the ore powder collected by the collecting box 4 can be regulated by regulating the height of the air conveying pipe 3, the larger the height of the air conveying pipe 3 is, the smaller the ore powder particles are, the air conveying pipe 3 is internally provided with a fan according to the requirement, the grinding part is ground by adopting the mutual collision mode of the ore, the problem that the grinding part is easy to wear in the prior art is avoided, thereby reducing the time of shutdown maintenance, reducing the maintenance cost and reducing the time delay.

Example 2

As shown in fig. 5, 6, 7, 8, 9, 10 and 11, the adjusting mechanism 5 is an eddy current coil arranged on the inner wall outside the two grooves; also comprises a plurality of flitch plates 8 and a plurality of partition plates 9, wherein the plurality of flitch plates 8 are paved on the inner walls of the two grooves in the lower box body 1, a plurality of baffle plates 9 are uniformly arranged on the outer slopes and the bottoms of the two grooves, and the plurality of baffle plates 9 respectively guide sliding ores; the accelerating mechanism 6 comprises two shaft tubes 19, a plurality of shifting plates 20, a double-output-shaft speed reducing motor 21 and two transmission components 22, wherein the two shaft tubes 19 are respectively and rotatably arranged at the bottoms of two grooves of the lower box body 1, the plurality of shifting plates 20 are respectively and rotatably arranged on the outer walls of the two shaft tubes 19 through rotating shafts, the two shaft tubes 19 are respectively provided with a steering mechanism 7, the steering mechanism 7 changes the angles of the plurality of shifting plates 20, the double-output-shaft speed reducing motor 21 is arranged outside the lower box body 1, the double-output-shaft speed reducing motor 21 is provided with two output shafts, and the two output shafts of the double-output-shaft speed reducing motor 21 are respectively and drivingly connected with the two shaft tubes 19 through the two transmission components 22; the steering mechanism 7 comprises a plurality of half crown gears 23, two shaft rods 24, a plurality of gears 25, two first threaded end heads 26, two spline joints 27, two second threaded end heads 28 and two nuts 29, wherein the inner ends of the rotating shafts of the plurality of shifting plates 20 are concentrically provided with the half crown gears 23, the two shaft rods 24 are respectively concentrically rotatably arranged in the two shaft tubes 19, the plurality of gears 25 are concentrically arranged on the two shaft rods 24, the plurality of gears 25 are respectively meshed with the plurality of half crown gears 23, the first threaded end heads 26 are respectively arranged at the outer ends of the two shaft rods 24, the first threaded end heads 26 are respectively and rotatably connected with the two shaft tubes 19 in a concentric manner, the side wall sections of the two spline joints 27 are in a step shape, the outer ends of the two spline joints 27 are provided with first small-diameter holes, the inner ends of the first holes are slidably sleeved on the outer ends of the first threaded end heads 26, the inner ends of the two spline joints 27 are respectively connected with the first spline grooves in a matched manner, the inner ends of the two spline joints 27 are provided with second large-diameter holes, the inner ends of the two spline joints 27 are respectively meshed with the first threaded end heads 23, the two spline joints 28 are respectively arranged at the two spline joints 28, the two spline joints 28 are respectively arranged at the two outer ends of the two spline joints 28, and the two spline joints 28 are respectively connected with the two spline joints 28 in a matched manner.

The plurality of flitch plates 8 protect the lower box body 1, so that the plurality of flitch plates 8 are worn firstly, the worn flitch plates 8 are replaced during maintenance, and the plurality of baffle plates 9 separate and guide ores sliding towards the bottoms of the two grooves, so that the ores fully act with the eddy current coils; when the ore is metal ore, after the metal ore passes through the eddy current coil, the metal ore is heated and generates a larger temperature difference with other impurities, thereby generating thermal stress, the ore is more easy to crush during collision, the double-output shaft gear motor 21 drives the two shaft pipes 19 to rotate through the two transmission components 22, the two shaft pipes 19 drive the plurality of shifting plates 20 to rotate, the plurality of shifting plates 20 shift the ore at the bottoms of the two grooves to be accelerated and thrown out, the ore collides in the middle part of the milling cavity, when the angles of the plurality of shifting plates 20 need to be converted, the nut 29 is loosened, the spline joint 27 moves towards the outer end of the first spline joint 26, the second inner hole of the spline joint 27 is separated from the second spline joint 28, the first spline joint 26 rotates at the moment, the first spline joint 26 drives the shaft rod 24 to rotate, the second gears 25 are synchronously meshed with the plurality of crown gears 23, the plurality of crown gears 23 synchronously drive the rotating shafts of the plurality of shifting plates 20, the angles of the plurality of shifting plates 20 are changed, the first spline joint 27 moves towards the outer end of the first spline joint 26, and the second spline joint 27 is synchronously connected with the second spline joint 28 through the first spline joint 28, and the second spline joint 28 is synchronously connected with the second spline joint 28.

Example 3

As shown in fig. 1, 2, 3 and 4, the regulating mechanism 5 is a positive electrode plate and a negative electrode plate, which are respectively mounted on the outer slopes of the two grooves; the two sieve plates 10 are respectively arranged at two sides of the lower box body 1, the inner ends of the two sieve plates 10 extend into the grinding cavity, the two sieve plates 10 are respectively positioned at two ends of the two grooves, the outer ends of the two sieve plates 10 extend out of the lower box body 1 through openings on the lower box body 1, and the flashboard 11 is movably inserted into the openings of the lower box body 1; the accelerating mechanism 6 comprises a base 12, a plurality of air pipes 13 and a plurality of spray heads 14, the base 12 is arranged below the lower box body 1, the plurality of air pipes 13 are respectively and rotatably arranged on two sides of the base 12, the output ends of the plurality of air pipes 13 are respectively and obliquely provided with the spray heads 14, the plurality of air pipes 13 are respectively and rotatably connected with the bottoms of two grooves of the lower box body 1, the plurality of spray heads 14 extend into the bottoms of the two grooves, the plurality of spray heads 14 respectively spray air along two slopes adjacent to the two grooves, and the steering mechanism 7 drives the plurality of air pipes 13 to synchronously rotate; the steering mechanism 7 comprises a plurality of first gears 15, a sliding table 16, two racks 17 and a pushing cylinder 18, wherein the first gears 15 are respectively and concentrically arranged at the lower ends of the air pipes 13, the sliding table 16 is slidably arranged on the base 12, the racks 17 are respectively arranged at two sides of the sliding table 16, the two racks 17 are respectively meshed with the first gears 15, the fixed end of the pushing cylinder 18 is arranged on the base 12, and a piston rod of the pushing cylinder 18 is connected with the sliding table 16.

An electric field is formed between the positive electrode plate and the negative electrode plate, ores sliding towards the bottoms of the two grooves are separated and guided by the plurality of separators 9, so that the ores and the electric field fully act, and polarization phenomena, namely plasma generation, can occur at the boundaries of the ores by utilizing dielectric constants and conductivities of different minerals in the ores; in the plasma, due to the electric interaction among ion groups, oscillation occurs in an ion existence area, so that transverse waves and longitudinal waves are generated and transmitted into mineral particles, accumulation and expansion are achieved at different positions of mineral components, the purpose of crushing minerals is achieved, and the minerals are more easily crushed during collision; the input ends of the air pipes 13 are connected with a high-pressure air system, the high-pressure air system sprays air to the bottoms of the two grooves through the air pipes 13 and the spray heads 14, ore is enabled to be thrown out at a high speed along with the high-pressure air flowing to the middle of the grinding chamber, ore is enabled to collide and crush, and up-to-standard ore powder enters the collecting box 4 through the air conveying pipe 3, normal ore in the ore is crashed and crushed, impurities with high hardness cannot be crushed, the impurities which cannot be crushed are moved to one end of the two grooves, the impurities are intercepted by the screen plate 10, after a period of operation, the shutter 11 is opened, the intercepted hard impurities are discharged out of the lower box 1 through the screen plate 10, so that abrasion of the hard impurities to equipment is reduced, when the ore is required to be moved in the opposite direction, a piston rod of the pushing cylinder 18 drives the sliding table 16 and the two racks 17 to move, the two racks 17 are meshed with the plurality of gears 15, and accordingly the air pipes 13 and the spray heads 14 are driven to rotate synchronously, and the directions of the spray heads 14 are changed.

As shown in fig. 1 to 11, in operation, according to the ore-dedicated grinding machine of the present invention, firstly, the particle size of ore powder collected in the collection box 4 is adjusted by adjusting the height of the air-feed pipe 3, the larger the height of the air-feed pipe 3, the smaller the ore powder particles, then ore is fed into two grooves of the lower case 1 through the feed pipe, the acceleration mechanism 6 operates to throw ore in the two grooves obliquely downward toward the left side of the grinding chamber of the lower case 1, so that the ore collides in the middle of the grinding chamber of the lower case 1, the ore is crushed, the ore powder crushed into the standard particle size is diffused in the grinding chamber and fed into the collection box 4 through the air-feed pipe 3 along with the air flow, the air is discharged through the filter cloth of the collection box 4, the ore powder is collected in the collection box 4, then the non-standard ore collides with the ore and is broken down toward the edge of the grinding chamber, and moves a distance toward the left side of the lower case 1, the ore falls the back and slides to the slot bottom along two slopes that two slots are opposite, at the in-process of ore gliding, adjustment mechanism 5 changes the state such as temperature, electrified of ore for the ore is broken more easily, acceleration mechanism 6 continuously moves and throws out the ore and bump crushing, after the operating period, steering mechanism 7 moves and changes the angle that acceleration mechanism 6 throwed out the ore to the right side of downward box 1, thereby make the whole right side of downward box 1 of ore remove, realize the repeated cycle collision crushing of ore, at last can not be by the impurity of smashing by the one end of two slots when being moved to by sieve 10, after the operating period, open flashboard 11, make the hard impurity of being intercepted pass through the external world of sieve 10 discharge lower box 1, reduce the wearing and tearing of hard impurity to equipment can.

The main functions realized by the invention are as follows:

1. the ore is ground in a collision mode, no grinding part which is easy to wear is arranged, the time and maintenance cost for shutdown maintenance are reduced, and the time delay is less;

2. ore is collided in a reciprocating and circulating mode, and collision and crushing are more uniform;

3. the hard impurities can be intercepted and discharged, the equipment abrasion is reduced, and the reliability is improved;

4. the particle size of the collected ore powder can be adjusted, and the screening effect is realized.

The special grinding machine for ores has the advantages that the installation mode, the connection mode or the setting mode of the special grinding machine for ores are common mechanical modes, and the special grinding machine can be implemented as long as the beneficial effects of the special grinding machine can be achieved; the lower box body 1, the upper box body 2, the air conveying pipe 3, the collecting box 4, the adjusting mechanism 5, the flitch 8, the sieve plate 10, the air pipe 13, the spray head 14, the first gear 15, the rack 17, the push cylinder 18, the double-output-shaft speed reducing motor 21, the transmission assembly 22, the half crown gear 23, the second gear 25 and the nut 29 of the special ore grinding machine are purchased in the market, and a person skilled in the art only needs to install and operate according to the attached using instruction without creative labor of the person skilled in the art.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.

Claims (6)

1. The utility model provides a special milling machine of ore, including lower box (1), go up box (2), wind send pipe (3) and collecting box (4), go up box (2) and install on lower box (1), lower box (1) and last box (2) constitute complete box, the inside of box sets up the crocus cavity, wind send the input of pipe (3) to stretch into in the crocus cavity through last box (2), wind send the output of pipe (3) to stretch into in collecting box (4), collecting box (4) are arranged in collecting ore powder, set up the filter cloth on the gas outlet of collecting box (4); the ore grinding device is characterized by further comprising an adjusting mechanism (5), an accelerating mechanism (6) and a steering mechanism (7), wherein two through grooves are symmetrically formed in two sides of the bottom of a grinding chamber of the lower box body (1), adjacent slopes of the two grooves are respectively directed to the middle part of the grinding chamber of the lower box body (1), a feeding pipe extends into the upper parts of the middle parts of the two grooves respectively, the accelerating mechanism (6) is arranged in the two grooves, ores at the bottom of the two grooves are accelerated and thrown out along the adjacent slopes of the grooves by the accelerating mechanism (6), the adjusting mechanism (5) is arranged on the two grooves of the lower box body (1), the adjusting mechanism (5) changes the easy breaking degree of the ores sliding along the grooves, and the steering mechanism (7) is used for changing the angle of the ores thrown out by the accelerating mechanism (6);

one structural form of the accelerating mechanism (6) comprises a base (12), a plurality of air pipes (13) and a plurality of spray heads (14), wherein the base (12) is arranged below the lower box body (1), the plurality of air pipes (13) are respectively and rotatably arranged on two sides of the base (12), the spray heads (14) are obliquely arranged at the output ends of the plurality of air pipes (13), the plurality of air pipes (13) are respectively and rotatably connected with the bottoms of two grooves of the lower box body (1), the plurality of spray heads (14) extend into the bottoms of the two grooves, the plurality of spray heads (14) are respectively and rotatably sprayed along two slopes adjacent to the two grooves, and the steering mechanism (7) drives the plurality of air pipes (13) to synchronously rotate; one structural form of the steering mechanism (7) comprises a plurality of first gears (15), a sliding table (16), two racks (17) and a pushing cylinder (18), wherein the first gears (15) are respectively and concentrically arranged at the lower ends of a plurality of air pipes (13), the sliding table (16) is slidably arranged on a base (12), the racks (17) are respectively arranged at two sides of the sliding table (16), the two racks (17) are respectively meshed with the first gears (15), the fixed end of the pushing cylinder (18) is arranged on a fan of the base (12), and a piston rod of the pushing cylinder (18) is connected with the sliding table (16);

the other structural form of the accelerating mechanism (6) comprises two shaft tubes (19), a plurality of shifting plates (20), a double-output-shaft speed reducing motor (21) and two transmission components (22), wherein the two shaft tubes (19) are respectively and rotatably arranged at the bottoms of two grooves of the lower box body (1), the plurality of shifting plates (20) are respectively and rotatably arranged on the outer walls of the two shaft tubes (19) through rotating shafts, steering mechanisms (7) are arranged on the two shaft tubes (19), the steering mechanisms (7) change the angles of the plurality of shifting plates (20), the double-output-shaft speed reducing motor (21) is arranged outside the lower box body (1), the double-output-shaft speed reducing motor (21) is provided with two output shafts, and the two output shafts of the double-output-shaft speed reducing motor (21) are respectively connected with the two shaft tubes (19) through the two transmission components (22); the other structural form of the steering mechanism (7) comprises a plurality of half crown gears (23), two shaft rods (24), a plurality of gears (25), two threaded end sockets I (26), two spline joints (27), two end sockets II (28) and two nuts (29), wherein the half crown gears (23) are concentrically arranged at the inner ends of rotating shafts of the plurality of shifting plates (20), the two shaft rods (24) are concentrically rotatably arranged in the two shaft tubes (19) respectively, a plurality of gears II (25) are concentrically arranged on the two shaft rods (24), the plurality of gears II (25) are respectively meshed with the plurality of half crown gears (23), the outer ends of the two shaft rods (24) are respectively provided with a threaded end socket I (26), the outer walls of the two threaded end sockets I (26) are respectively and concentrically connected with the two shaft tubes (19), the side wall sections of the two spline joints (27) are in a step shape, the outer ends of the two spline joints (27) are provided with small-diameter inner holes I, the inner ends of the inner holes of the two spline joints II (27) are slidably sleeved on the inner walls of the first end sockets II (26), the inner ends of the two spline joints II (28) are respectively provided with the inner holes of the two spline joints II (28) which are respectively provided with the inner holes of the two spline joints II, the second inner holes of the two spline joints (27) are respectively sleeved on the second end heads (28) in a sliding mode, the second spline grooves are connected with the second spline grooves in a matched mode, the two nuts (29) are respectively and rotationally screwed on the outer ends of the first threaded end heads (26), and the two nuts (29) lock the two spline joints (27) on the second end heads (28).

2. A grinding machine for ores, as claimed in claim 1, characterised in that the adjusting means (5) are a refrigerator mounted on one channel of the lower casing (1) and a heater mounted on the other channel.

3. A grinding machine for ores, as claimed in claim 1, characterised in that the adjusting means (5) are eddy current coils arranged on the inner wall outside the two grooves.

4. A grinding machine for ores, as claimed in claim 1, characterised in that the adjusting means (5) are positive and negative electrode plates, respectively mounted on the outer slopes of the two channels.

5. The ore-dedicated grinding machine according to claim 1, further comprising a plurality of flitch plates (8) and a plurality of partition plates (9), wherein the flitch plates (8) are paved on the inner walls of two grooves in the lower box body (1), the partition plates (9) are uniformly installed on the outer slopes and the bottoms of the two grooves, and the partition plates (9) guide sliding ores respectively.

6. The special grinding machine for ores, as set forth in claim 1, further comprising two screen plates (10) and two gate plates (11), wherein the two screen plates (10) are respectively installed at two sides of the lower box body (1), inner ends of the two screen plates (10) are respectively extended into the grinding chamber, the two screen plates (10) are respectively located at two ends of the two grooves, outer ends of the two screen plates (10) are respectively extended out of the outer side of the lower box body (1) through openings on the lower box body (1), and the gate plates (11) are respectively movably inserted into the openings of the lower box body (1).