CN216605463U

CN216605463U - High-efficient raymond mill dust collection device

Info

Publication number: CN216605463U
Application number: CN202122826854.3U
Authority: CN
Inventors: 张禄清; 宋涛
Original assignee: Tangshan Qingfeng New Material Co ltd
Current assignee: Tangshan Qingfeng New Material Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-27
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a high-efficiency dust collecting device of a Raymond mill, which relates to the technical field of Raymond grinding and solves the problem that a filter screen is easy to block when dust is collected through the filter screen, and comprises a Raymond mill box body and a rotating shaft arranged in the middle of the inner cavity of the Raymond mill box body, wherein one end of the inner cavity of the Raymond mill box body, which is far away from the rotating shaft, is provided with a filter screen, when materials are ground into powder, a wind guide pipe can suck out the powder through a wind collecting cover, then the powder enters a dust collecting box through the inner side of a cyclone collector to be collected, meanwhile, the arranged filter screen filters the powder in the process of absorbing the powder, the situation that some materials are not completely ground into powder and then sucked out is avoided, when a locking screw synchronously rotates along with the rotating shaft, a positioning sleeve at the top end of the locking screw drives a positioning rod to rotate at the lower end of the filter screen, and the positioning rod scrapes the lower end of the filter screen through a material scraping layer, the dust is prevented from being adhered to the lower end of the filter screen to cause blockage.

Description

High-efficient raymond mill dust collection device

Technical Field

The utility model relates to the technical field of Raymond grinding, in particular to a high-efficiency dust collecting device of a Raymond mill.

Background

In some powder processing production processes, grinding equipment needs to be used, the Raymond mill is grinding equipment commonly used, the Raymond mill mainly comprises a grinding roller and a grinding ring, the grinding roller is driven to rotate under the action of a motor, centrifugal force generated by high-speed rotation of the grinding roller is utilized to drive materials to rotate, and the grinding roller rolls on the inner wall of the grinding ring under the action of the centrifugal force, so that the materials to be ground are ground into powder.

The dust collection device of current raymond mill adopts the filter screen to filter the dust mostly and collects, but the dust filters the back filter screen very easily and stops up, when needs clearance filter screen, all can take out the filter screen usually and clean, at this moment not only influences holistic work efficiency, and some dust that is not filtered simultaneously and is not conform to the requirement can't get back to the inner chamber of raymond mill again by oneself and grind.

To the correlation technique among the above-mentioned, the inventor thinks the dust collection device of raymond mill filter the dust when collecting the filter screen very easily and block up, not only influences holistic work efficiency, is not filtered the dust that does not conform to the requirement simultaneously, can't get back to the inner chamber of raymond mill again by oneself and grinds.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficiency dust collecting device of a Raymond mill, aiming at solving the problem that the filter screen is easy to block when dust is collected through the filter screen.

The utility model provides a high-efficiency dust collecting device of a Raymond mill, which adopts the following technical scheme:

the utility model provides a high-efficient raymond mill dust collection device, includes the rotation axis of installation in the middle of raymond mill box and the raymond mill box inner chamber, the top of rotation axis is connected with cross plum blossom frame, the inner wall lower part of raymond mill box is provided with the grinding ring, the grinding ring is located the lower extreme outside of cross plum blossom frame, the one end that the rotation axis was kept away from to raymond mill box inner chamber is provided with filter screen, the one end that filter screen kept away from the rotation axis is provided with the wind-collecting cover, the one end that filter screen was kept away from to the wind-collecting cover is connected with the guide duct, wind-collecting cover and guide duct fixed connection.

The dust collector is characterized in that a fan is connected to one side of the upper end of the air guide pipe, a cyclone collector is installed on one side, away from the air guide pipe, of the fan, and a dust collecting box is connected to the lower end of one side, away from the fan, of the cyclone collector.

Through adopting above-mentioned technical scheme, the material gets into behind the inside of raymond mill box, the rotation axis will drive the cross plum blossom frame and rotate, grind the ring simultaneously also will grind it with the material contact, grind into powder after the material is ground, can start the fan, at this moment the guide duct will absorb the powder in the raymond mill box through the air-collecting cover, will collect in the inboard entering dust collecting box that will pass through cyclone collector after the powder is filtered the absorption, the filter screen who sets up simultaneously will absorb it at the powder in-process, avoid some materials not ground completely and just by the suction.

Optionally, the bottom of rotation axis is connected with the motor, install the shovel material seat on the outer wall of rotation axis, shovel material seat and grinding ring are aligned, connecting sleeve is installed on the top of rotation axis, connecting sleeve's upper end threaded connection has locking screw.

Through adopting above-mentioned technical scheme, the motor drives the rotation axis and rotates, and the shovel material seat is aligned with the grinding ring, is convenient for carry out abundant grinding to the material for grinding efficiency, and locking screw passes through the connecting sleeve and connects in the upper end of rotation axis, makes locking screw can follow the rotation axis and rotate in step, and when needs dismouting or adjust locking screw's height, because locking screw and connecting sleeve threaded connection, operating personnel only need directly between rotate locking screw can.

Optionally, one end of the locking screw, which is far away from the connecting sleeve, is in threaded connection with a positioning sleeve, a positioning rod is welded on the outer wall of the positioning sleeve, and a material scraping layer is installed at the upper end of the positioning rod.

Through adopting above-mentioned technical scheme, when locking screw followed the rotation axis and rotated in step, the position sleeve on locking screw top will drive the locating lever and rotate at filter screen's lower extreme, and at this moment the locating lever will scrape through scraping the bed of material to filter screen's lower extreme, avoids the dust adhesion to cause the jam at filter screen's lower extreme.

Optionally, the positioning rod and the scraping material layer are connected in a cross structure, and the scraping material layer is a member made of sponge material.

Through adopting above-mentioned technical scheme, the bed of material is the material that sponge material made not only can the scraping adhesion, can not cause the harm to filter screen simultaneously, and the cross structural connection of setting not only can make the material layer of scraping evenly scrape down the material of adhesion, can make the normal whereabouts of the material of scraping simultaneously get into and grind again in the raymond mill box inner chamber.

Optionally, the lower end of one side of the cross plum blossom stand, which is far away from the rotating shaft, is connected with a connecting rod, the bottom end of the connecting rod is provided with a grinding roller, and the grinding roller is positioned between the grinding ring and the material shoveling seat.

Through adopting above-mentioned technical scheme, when the cross plum blossom frame rotated, will drive the grinding roller through the connecting rod and rotate, at this moment the grinding roller will grind the material into powder in the centre of grinding ring and shovel material seat.

Optionally, both sides of filter screen are connected with spacing slider, the elastic component is still installed to filter screen's both sides upper end, be provided with the precision filtering net in the middle of the lower extreme of wind-collecting cover, the fixed block is installed to the lower extreme both sides of wind-collecting cover, the fixed block is connected with the elastic component, spacing spout has been seted up on the inner wall of raymond mill box, spacing spout is located lower extreme one side of fixed block, spacing slider is located the inboard of spacing spout.

By adopting the technical scheme, when dust is adsorbed by the air collecting cover, the filtering screen can primarily filter the dust, at the moment, the filtering screen can upwards move through the limiting slide blocks on the two sides, when the limiting slide blocks upwards move, the elastic part is extruded to deform, when the elastic part is extruded to deform, the limiting slide blocks can move up and down to shake, the dust passing through the filtering screen can enter the inner side of the air collecting cover after being secondarily filtered by the fine filtering net again, double guarantee is provided, at the moment, some caking dust which does not pass through directly falls down and is reprocessed and ground, meanwhile, some dust is adhered to the lower end of the filtering screen and cannot fall down automatically, when the air collecting cover stops absorbing the dust, the filtering screen can be directly rebounded to the original position by the elastic part due to the fact that the upper end has no suction force, and the filtering screen can vibrate to shake the dust adhered to the lower end of the filtering screen, avoiding dust from adhering to the lower end of the dust to cause blockage.

In summary, the utility model includes at least one of the following advantages:

1. after the materials enter the interior of the Raymond mill box body, the rotating shaft drives the crossed plum flower stand to rotate, meanwhile, the grinding ring is in contact with the materials to grind the materials, after the materials are ground into powder, the air guide pipe can suck out and collect the powder through the air collecting cover, after the powder is filtered and adsorbed, the powder enters the dust collecting box through the inner side of the cyclone collector to be collected, meanwhile, the arranged filter screen is used for filtering the powder in the process of absorbing the powder, the phenomenon that some materials are sucked out without being completely ground into powder is avoided, when the locking screw rod rotates synchronously along with the rotating shaft, the positioning sleeve at the top end of the locking screw rod drives the positioning rod to rotate at the lower end of the filter screen, at the moment, the positioning rod scrapes the lower end of the filter screen through the material scraping layer, and the phenomenon that the dust is adhered to the lower end of the filter screen to cause blockage is avoided;

2. if not utilizing the locating lever and scraping when the material layer scrapes filter screen's lower extreme, filter screen will carry out the first filtration to the dust, at this moment filter screen will pass through the spacing slider of both sides at the inboard rebound of spacing spout, will extrude the elastic component when spacing slider rebound and make it produce deformation, at this moment some caking dusts that do not pass through will directly fall and reprocess the grinding, some dust will adhere the lower extreme at filter screen simultaneously, can't fall by oneself, when the wind-collecting cover stops absorbing the dust, filter screen is because the upper end does not have suction, will directly kick-back the normal position by the elastic component, and filter screen will also produce at this moment and shake the adhesion and shake off at the dust of self lower extreme, avoid the dust adhesion to produce the jam at its lower extreme.

Drawings

FIG. 1 is a sectional view of the overall structure of a first embodiment of the present invention;

FIG. 2 is a schematic view of a connection structure of a connection sleeve and a locking screw according to a first embodiment of the present invention;

fig. 3 is a schematic diagram of a partially enlarged structure at a in fig. 1 according to a second embodiment of the present invention.

Description of reference numerals: 1. a Raymond mill box body; 2. a rotating shaft; 21. a motor; 22. a material shoveling seat; 23. a connecting sleeve; 24. locking the screw rod; 241. a positioning sleeve; 242. positioning a rod; 243. scraping the material layer; 3. a cross flower; 31. a connecting rod; 32. grinding the roller; 4. grinding a ring; 5. filtering the screen; 51. a limiting slide block; 52. an elastic member; 6. a wind collecting cover; 61. a precision filter screen; 62. a fixed block; 63. a limiting chute; 7. an air guide pipe; 71. a fan; 72. a cyclone collector; 73. and a dust collection box.

Detailed Description

The present invention is described in further detail below with reference to figures 1-3.

The first embodiment is as follows:

the embodiment of the utility model discloses a dust collecting device of a high-efficiency Raymond mill. Referring to fig. 1, the device comprises a raymond mill box body 1 and a rotating shaft 2 arranged in the middle of an inner cavity of the raymond mill box body 1, a cross plum blossom mold 3 is connected to the top end of the rotating shaft 2, a grinding ring 4 is arranged on the lower portion of the inner wall of the raymond mill box body 1, the grinding ring 4 is arranged on the outer side of the lower end of the cross plum blossom mold 3, a filter screen 5 is arranged at one end of the inner cavity of the raymond mill box body 1 away from the rotating shaft 2, a wind-collecting cover 6 is arranged at one end of the filter screen 5 away from the rotating shaft 2, a wind-guiding pipe 7 is connected to one end of the wind-collecting cover 6 away from the filter screen 5, the wind-collecting cover 6 is fixedly connected with the wind-guiding pipe 7, a fan 71 is connected to one side of the upper end of the wind-guiding pipe 7, a cyclone collector 72 is arranged at one side of the fan 71 away from the wind-guiding pipe 7, a dust-collecting box 73 is connected to the lower end of the cyclone collector 72 at one side away from the fan 71, after materials enter the interior of the raymond mill box body 1, the rotating shaft 2 will drive the cross plum blossom mold 3 to rotate, meanwhile, the grinding ring 4 is also in contact with the materials to grind the materials, after the materials are ground into powder, the fan 71 can be started, at the moment, the air guide pipe 7 absorbs the powder in the Raymond mill box body 1 through the air collecting cover 6, after the powder is filtered and absorbed, the powder enters the dust collecting box 73 through the inner side of the cyclone collector 72 to be collected, and meanwhile, the arranged filter screen 5 filters the powder in the process of absorbing the powder, so that the situation that some materials are not completely ground into powder and then are sucked out is avoided.

Referring to fig. 1 and 2, the bottom of rotation axis 2 is connected with motor 21, install shovel material seat 22 on the outer wall of rotation axis 2, shovel material seat 22 is aligned with grinding ring 4, connecting sleeve 23 is installed on the top of rotation axis 2, the upper end threaded connection of connecting sleeve 23 has locking screw 24, motor 21 drives rotation axis 2 and rotates, shovel material seat 22 is aligned with grinding ring 4, be convenient for fully grind the material, accelerate grinding efficiency, locking screw 24 passes through connecting sleeve 23 and connects the upper end at rotation axis 2, make locking screw 24 can follow rotation axis 2 synchronous rotation, and when the height that needs dismouting or regulation locking screw 24, because locking screw 24 and connecting sleeve 23 threaded connection, operating personnel only need rotate locking screw 24 in the straight time can.

Referring to fig. 2, one end threaded connection that connecting sleeve 23 was kept away from to locking screw 24 has a position sleeve 241, the welding has locating lever 242 on the outer wall of position sleeve 241, the quantity that locating lever 242 set up is four groups, and four groups of locating lever 242 circular cone arrays set up the outer wall at position sleeve 241, the material layer 243 of scraping is installed to the upper end of locating lever 242, when locking screw 24 follows the synchronous rotation of rotation axis 2, the position sleeve 241 on locking screw 24 top will drive locating lever 242 and rotate at the lower extreme of filter screen 5, at this moment, locating lever 242 will scrape the lower extreme of filter screen 5 through scraping the material layer 243, avoid the dust adhesion to cause the jam at the lower extreme of filter screen 5.

Referring to fig. 2, locating lever 242 is cross structural connection with scraping material layer 243, scrapes the component that material layer 243 was made for sponge material, scrapes material layer 243 and not only can scrape the material of adhesion for sponge material makes, can not cause the harm to filter screen 5 simultaneously, and the cross structural connection of setting not only can make the material of evenly scraping the adhesion in scraping material layer 243, can make the normal whereabouts of the material of scraping get into regrinding in the 1 inner chamber of raymond mill box simultaneously.

Referring to fig. 1, the lower end of one side of the cross plum blossom frame 3, which is far away from the rotating shaft 2, is connected with a connecting rod 31, the bottom end of the connecting rod 31 is provided with a grinding roller 32, the grinding roller 32 is located between the grinding ring 4 and the material shoveling seat 22, when the cross plum blossom frame 3 rotates, the connecting rod 31 drives the grinding roller 32 to rotate, and at this time, the grinding roller 32 grinds the material into powder between the grinding ring 4 and the material shoveling seat 22.

In summary, the following steps: after the materials enter the Raymond mill box body 1, the rotating shaft 2 drives the cross plum blossom frame 3 to rotate, meanwhile, the grinding ring 4 is also contacted with the materials to grind the materials, when the materials are ground into powder, the air guide pipe 7 can suck and collect the powder through the air collecting cover 6, the powder is collected by the dust collection box 73 through the inside of the cyclone collector 72 after being filtered and adsorbed, the filter screen 5 arranged at the same time filters the powder in the process of absorbing the powder, prevents some materials from being sucked out without being completely ground into powder, when the locking screw 24 rotates synchronously with the rotating shaft 2, the positioning sleeve 241 at the top end of the locking screw 24 drives the positioning rod 242 to rotate at the lower end of the filtering screen 5, at this time, the positioning rod 242 scrapes the lower end of the filter screen 5 through the scraping layer 243, so as to prevent dust from adhering to the lower end of the filter screen 5 and causing blockage.

The second embodiment:

referring to fig. 1 and 3, the difference between the second embodiment and the first embodiment is that two sides of the filtering screen 5 are connected with the limiting sliding blocks 51, the upper ends of two sides of the filtering screen 5 are further provided with the elastic members 52, the middle of the lower end of the wind-collecting cover 6 is provided with the fine filtering net 61, two sides of the lower end of the wind-collecting cover 6 are provided with the fixed blocks 62, the fixed blocks 62 are connected with the elastic members 52, the inner wall of the raymond mill box body 1 is provided with the limiting sliding grooves 63, the limiting sliding grooves 63 are positioned at one side of the lower end of the fixed blocks 62, the limiting sliding blocks 51 are positioned at the inner sides of the limiting sliding grooves 63, when dust is adsorbed by the wind-collecting cover 6, the filtering screen 5 primarily filters the dust, at this time, the filtering screen 5 moves upwards through the limiting sliding blocks 51 at two sides at the inner sides of the limiting sliding grooves 63, when the limiting sliding blocks 51 move upwards, the elastic members 52 are extruded to deform, the dust passing through the filtering screen 5 is secondarily filtered by the fine filtering net 61 and enters the inner sides of the wind-collecting cover 6, and double guarantee is provided, some of the un-passed agglomerated dust directly falls down to be reprocessed and ground, and some dust adheres to the lower end of the filter screen 5 and cannot fall down automatically, when the air collection cover 6 stops absorbing dust, the filter screen 5 is directly rebounded by the elastic piece 52 to return to the original position due to no suction at the upper end, and the filter screen 5 vibrates to shake off the dust adhered to the lower end of the filter screen 5, so that the dust is prevented from adhering to the lower end of the filter screen to cause blockage.

When the positioning rod 242 and the scraping layer 243 scrape the lower end of the filter screen 5, the filter screen 5 primarily filters dust, at this time, the filter screen 5 moves upwards inside the limiting sliding groove 63 through the limiting sliding blocks 51 on both sides, when the limiting sliding blocks 51 move upwards, the elastic member 52 is extruded to deform, at this time, some of the un-passed agglomerated dust falls directly and is reprocessed and ground, meanwhile, some dust adheres to the lower end of the filter screen 5 and cannot fall down by itself, when the wind collection cover 6 stops absorbing dust, the filter screen 5 is directly rebounded to the original position by the elastic member 52 due to the fact that no suction force exists at the upper end, at this time, the filter screen 5 vibrates to shake the dust adhered to the lower end of the filter screen, and the dust adhesion at the lower end of the filter screen is prevented from being blocked,

the above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: equivalent changes made according to the structure, shape and principle of the utility model shall be covered by the protection scope of the utility model.

Claims

1. The utility model provides a high-efficient raymond mill dust collection device which characterized in that: rotation axis (2) of installation in the middle of including raymond mill box (1) and raymond mill box (1) inner chamber, the top of rotation axis (2) is connected with cross plum blossom frame (3), the inner wall lower part of raymond mill box (1) is provided with grinding ring (4), grinding ring (4) are located the lower extreme outside of cross plum blossom frame (3), the one end that rotation axis (2) were kept away from to raymond mill box (1) inner chamber is provided with filter screen (5), the one end that rotation axis (2) were kept away from in filter screen (5) is provided with air-collecting cover (6), the one end that filter screen (5) were kept away from in air-collecting cover (6) is connected with guide duct (7), air-collecting cover (6) and guide duct (7) fixed connection.

2. The dust collecting device of the high-efficiency Raymond mill according to claim 1, characterized in that: one side of the upper end of the air guide pipe (7) is connected with a fan (71), one side, far away from the air guide pipe (7), of the fan (71) is provided with a cyclone collector (72), and the lower end, far away from the fan (71), of one side of the cyclone collector (72) is connected with a dust collection box (73).

3. The high-efficiency Raymond mill dust collection device according to claim 1, characterized in that: the bottom of rotation axis (2) is connected with motor (21), install shovel material seat (22) on the outer wall of rotation axis (2), shovel material seat (22) and grind ring (4) and align, connecting sleeve (23) are installed on the top of rotation axis (2), the upper end threaded connection of connecting sleeve (23) has locking screw (24).

4. The high efficiency Raymond mill dust collection device of claim 3, characterized in that: one end of the locking screw rod (24) far away from the connecting sleeve (23) is in threaded connection with a positioning sleeve (241), a positioning rod (242) is welded on the outer wall of the positioning sleeve (241), and a material scraping layer (243) is installed at the upper end of the positioning rod (242).

5. The efficient Raymond mill dust collection device according to claim 4, characterized in that: the positioning rod (242) and the scraping layer (243) are connected in a cross structure, and the scraping layer (243) is a member made of sponge materials.

6. The high-efficiency Raymond mill dust collection device according to claim 1, characterized in that: the cross plum blossom frame (3) keep away from one side lower extreme of rotation axis (2) and be connected with connecting rod (31), grinding roller (32) are installed to the bottom of connecting rod (31), grinding roller (32) are located the centre of grinding ring (4) and shovel material seat (22).

7. The dust collecting device of the high-efficiency Raymond mill according to claim 1, characterized in that: the both sides of filter screen cloth (5) are connected with spacing slider (51), elastic component (52) are still installed to the both sides upper end of filter screen cloth (5), be provided with precision filtering net (61) in the middle of the lower extreme of wind-collecting cover (6), fixed block (62) are installed to the lower extreme both sides of wind-collecting cover (6), fixed block (62) are connected with elastic component (52), spacing spout (63) have been seted up on the inner wall of raymond mill box (1), spacing spout (63) are located lower extreme one side of fixed block (62), spacing slider (51) are located the inboard of spacing spout (63).