CN217725730U

CN217725730U - Coaxial double-grinding-barrel grinding machine

Info

Publication number: CN217725730U
Application number: CN202220622941.9U
Authority: CN
Inventors: 郭谊
Original assignee: Hubei Jinghao New Material Co ltd
Current assignee: Hubei Jinghao New Material Co ltd
Priority date: 2022-03-17
Filing date: 2022-03-17
Publication date: 2022-11-04
Anticipated expiration: 2032-03-17

Abstract

The utility model relates to a grind technical field, and disclose a coaxial two grinding miller that grind, including two grinding barrels, two grinding barrel symmetries are placed, two the inside of grinding barrel is provided with the grinding roller, two be connected with connecting portion between the grinding roller, the bottom of connecting portion is connected with the pneumatic cylinder, and the outer wall connection who grinds the barrel has driven gear, driven gear's below is provided with drive gear, drive gear's right-hand member fixed mounting has the motor, two the one end of grinding the barrel is provided with the apron, the one end that the grinding barrel is close to the apron is rotated with the apron and is connected. The utility model discloses a set up grader, dust fall case and fan to the grader can sort out the ore that does not have complete grinding, then flows back to the inside of grinding a section of thick bamboo from the feed back pipe again, grinds once more, thereby lets total pumping pipe exhaust material all be tiny granule, is difficult to have the granule that the large granule is not complete grinding.

Description

Coaxial double-grinding-cylinder grinding machine

Technical Field

The utility model relates to a grind technical field, specifically be a coaxial two grinds a section of thick bamboo and grinds machine.

Background

The ore mill is also called overpressure mill, which is suitable for milling various non-metal materials such as ore chemical materials, such as: the method is characterized by comprising the step of high-fine powder processing of 280 various materials in industries such as non-flammable and non-explosive mines, metallurgy, chemical industry, building materials and the like with Mohs hardness not more than 9.3 and humidity below 6%, wherein the granularity of finished products is adjusted within the range of 80-425 meshes (the finest is 1000 meshes). The high-pressure medium-speed mill can produce coarse powder with 30-80 meshes by adding a special device. In the high-pressure mill main machine, a high-pressure spring with 1000-1500 kg of pressure is fastened on the grinding roller hanger. After the grinding roller starts to work, the grinding roller rotates around the main shaft and rolls tightly against the grinding ring under the action of the high-pressure spring and the centrifugal force, and the rolling pressure of the grinding roller is 1.2 times higher than that of the Raymond powder machine under the same power condition, so that the yield is greatly improved.

Traditional ore grinding machine is single-cylinder structure generally, and efficiency is lower, and can not carry out the classification to the ore of different thickness, can not grind the ore of coarser granule again.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model provides a coaxial two grinds section of thick bamboo and grinds machine to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

1. In order to achieve the above object, the utility model provides a following technical scheme: a coaxial double-grinding-barrel grinding machine comprises two grinding barrels capable of rotating automatically, wherein the two grinding barrels are arranged coaxially and share one power source;

the two grinding cylinders are internally provided with a grinding roller respectively, a connecting part is connected between the two grinding rollers, and a pressing mechanism is arranged on the connecting part;

the grinding machine also comprises a material injection pipe and a feed hopper, wherein the discharge port of the feed hopper is communicated with the feed inlet of the material injection pipe, and the discharge port of the material injection pipe is respectively communicated with the cover plate feed inlets of the two grinding cylinders;

the grinder further comprises a classifier, a dust falling box and a fan, wherein the fan is installed on the dust falling box, a finished product discharge port of the classifier is communicated with a feed inlet of the dust falling box, and a pumping port and a feed back port of the classifier correspond to a cover plate discharge port and a cover plate feed inlet respectively.

Preferably, the outer wall of the grinding cylinder is provided with a driven gear, the driven gear is meshed with a driving gear, and the driving gear is driven by a motor.

Preferably, the drive gear is mounted on a drive shaft, which is connected to the output of the motor by a coupling.

Preferably, the ends of the two grinding cylinders, which are close to each other, are respectively provided with a movable hole, the end of the connecting part penetrates through the movable hole to be connected with the grinding roller, and the connecting part is slidably mounted in the movable hole in a way of moving up and down.

Preferably, the connecting portion is provided with a blocking piece for blocking the movable hole.

Preferably, the mechanism of pushing down is the pneumatic cylinder, the both ends of connecting portion respectively with two grinding roller fixed connection, the middle part cover of connecting portion is equipped with the bearing, the outer wall of bearing with the drive end of pneumatic cylinder links to each other.

Preferably, the pressing mechanism is a hydraulic cylinder, two ends of the connecting part are respectively connected with the two grinding rollers through bearings, and the middle part of the connecting part is connected with the driving end of the hydraulic cylinder.

Preferably, the finished product discharge port of grader and the feed inlet of dust falling box are communicated through the pipeline, the dust falling box is provided with a total discharge pipe, the material pumping port and the material return port of grader are correspondingly connected with a discharge pipe and a material return pipe respectively, the discharge pipe and the material return pipe are correspondingly connected with an cover plate discharge port and an cover plate feed inlet respectively, and the outer wall of the material return pipe is communicated with the discharge port of an injection pipe.

Preferably, grind a section of thick bamboo and keep away from the bottom of apron one end and be provided with the supporting seat, be covered with a plurality of ball on the supporting seat, the ball rolls on the supporting seat, grind the bottom and the supporting seat rotation of a section of thick bamboo and be connected.

Preferably, a support frame is installed in the middle of the cover plate, and the middle of the cover plate is fixedly installed on the top of the support frame.

Compared with the prior art, the utility model provides a coaxial two grinds a section of thick bamboo and grinds machine possesses following beneficial effect:

1. the utility model discloses a set up two and grind a section of thick bamboo to grind a section of thick bamboo and be close to one end each other and set up the activity hole at two, through setting up the activity hole, thereby let the grinding roller can move about from top to bottom, and the effect of cooperation pneumatic cylinder lets two grinding rollers extrude downwards, thereby lets the bottom of grinding roller and the inner wall bottom in close contact with of grinding a section of thick bamboo, reaches the effect of high-efficient grinding.

2. The utility model discloses a set up grader, dust fall case and fan to the grader can sort out the ore that does not have complete grinding, then flows back to the inside of grinding a section of thick bamboo from the feed back pipe again, grinds once more, thereby lets total discharging pipe exhaust material all be tiny granule, is difficult to have the granule that the large granule is not complete grinding.

Drawings

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

FIG. 2 is a cross-sectional view of the grinding cylinder of the present invention;

FIG. 3 is a perspective view of the present invention;

FIG. 4 is a partial exploded view of FIG. 3;

fig. 5 is a structural diagram of the movable hole and the movable post of the present invention.

In the figure: the device comprises a grinding cylinder 101, a driven gear 102, a cover plate 103, a support frame 104, a cover plate feeding hole 105, a cover plate discharging hole 106, a grinding roller 201, a support seat 202, a connecting part 203, a hydraulic cylinder 204, a driving gear 205, a motor 206, a driving shaft 207, a movable hole 208, a baffle 209, a classifier 301, a dust falling box 302, a pipeline 303, a fan 304, a main discharging pipe 305, a pumping pipe 306, a return pipe 307, an injection pipe 308 and a feeding hopper 309.

Detailed Description

Please refer to fig. 1-5:

the first embodiment is as follows:

a coaxial double-grinding-cylinder grinding machine comprises two grinding cylinders 101, wherein the two grinding cylinders 101 are symmetrically arranged;

the grinding rollers 201 are arranged in the two grinding cylinders 101, and the shape of the outer walls of the grinding rollers 201 can be designed according to actual needs without limitation;

a connecting part 203 is connected between the two grinding rollers 201, and the bottom of the connecting part 203 is connected with a pressing mechanism;

the outer wall of the grinding cylinder 101 is connected with a driven gear 102;

a driving gear 205 is arranged below the driven gear 102, and a motor 206 is fixedly mounted at the right end of the driving gear 205.

One end of each of the two grinding cylinders 101 is provided with a cover plate 103, one end of each of the grinding cylinders 101 close to the cover plate 103 is rotatably connected with the cover plate 103, and one end of each of the grinding cylinders 101 can be rotatably connected with the cover plate 103.

The middle part of the cover plate 103 is provided with a support frame 104, the middle part of the cover plate 103 is fixedly arranged with the top of the support frame 104, the cover plate 103 is fixed, and the grinding cylinder 101 can rotate.

The middle part fixedly connected with drive shaft 207 of drive gear 205, the right-hand member of drive shaft 207 passes through the shaft coupling and is connected with the output of motor 206, and motor 206 drives drive shaft 207 and drive gear 205 and rotates, and drive gear 205 drives driven gear 102 and rotates to let grinding barrel 101 rotate, reach the effect of grinding.

The bottom of grinding a section of thick bamboo 101 and keeping away from apron 103 one end is provided with supporting seat 202, and supporting seat 202 is covered with a plurality of ball, and the ball rolls on supporting seat 202, thereby the bottom of grinding a section of thick bamboo 101 rotates with supporting seat 202 to be connected, thereby lets grinding a section of thick bamboo 101 can not squint when the pivoted through setting up supporting seat 202.

The movable hole 208 has been seted up respectively to the one end that is close to each other of two grinding drums 101, and this movable hole 208 can be the oval hole of vertical arrangement, and the end of connecting portion 203 passes movable hole 208 and links to each other with grinding roller 201, and slidable mounting that connecting portion 203 can reciprocate is in movable hole 208, through setting up movable hole 208 to let grinding roller 201 can move about from top to bottom, let the bottom of grinding roller 201 and the inner wall bottom in close contact with of grinding drum 101, reach the effect of high-efficient grinding.

The connecting portion 203 is provided with a blocking piece 209 for blocking the movable hole 208, the blocking piece 209 blocks the movable hole 208, the raw material in the grinding cylinder 101 cannot leak through the blocking piece 209, and a negative pressure environment can be formed in the grinding cylinder.

The pressing mechanism is a hydraulic cylinder 204, two ends of the connecting portion 203 are fixedly connected with the two grinding rollers 201 respectively, a bearing is sleeved in the middle of the connecting portion 203, and the outer wall of the bearing is connected with the driving end of the hydraulic cylinder 204. By arranging the bearing externally, powder can be prevented from entering the bearing and damaging the bearing. The different schemes are as follows: the pressing mechanism is also a hydraulic cylinder 204, two ends of the connecting part 203 are respectively connected with the two grinding rollers 201 through bearings, and the middle part of the connecting part 203 is connected with the driving end of the hydraulic cylinder 204.

The second embodiment:

The middle part of the driving gear 205 is fixedly connected with a driving shaft 207, the right end of the driving shaft 207 is connected with the output end of the motor 206 through a coupler, the motor 206 drives the driving shaft 207 and the driving gear 205 to rotate, the driving gear 205 drives the driven gear 102 to rotate, and therefore the grinding cylinder 101 rotates to achieve the grinding effect.

Cover plate feed inlet 105 and cover plate discharge port 106 have been seted up on apron 103, the top of grinding barrel 101 is provided with grader 301, dust fall case 302 and fan 304, fan 304 fixed mounting is at the right-hand member of dust fall case 302, be connected with pipeline 303 between the top of grader 301 and the top of dust fall case 302, the bottom fixedly connected with total discharging pipe 305 of dust fall case 302, the bottom of grader 301 is connected with drawing pipe 306 and feed back pipe 307, the bottom of drawing pipe 306 and feed back pipe 307 is connected with cover plate discharge port 106 and cover plate feed inlet 105 respectively, the outer wall connection of feed back pipe 307 has notes material pipe 308, the top fixedly connected with feeder hopper 309 of notes material pipe 308. Through additionally arranging the grader 301 and communicating the material return pipe 307 on the grader 301 with the material injection pipe 308, the whole feeding mechanism and the grading material return mechanism are connected into a whole, so that the connection of pipelines is reduced, and the initial installation and the later maintenance are facilitated.

Of course, the number of the grinding cylinders 101 may also be designed according to actual needs, for example, 3 or more, and meanwhile, the number of the classifiers 301 may be designed to be the same as the number of the grinding cylinders 101, or all the grinding cylinders 101 may share one set of classifiers 301, and furthermore, all the grinding cylinders 101 may also be designed to share one power source, or may be designed to be driven by different power sources.

When using, set up movable hole 208 through being close to one end each other at two grinding barrel 101, through setting up movable hole 208, thereby let grinding roller 201 activity from top to bottom, and the effect of cooperation hydraulic cylinder 204 lets two grinding roller 201 extrudees downwards, thereby let the bottom of grinding roller 201 and the inner wall bottom in close contact with of grinding barrel 101, reach the effect of high-efficient grinding, through setting up grader 301, dust fall case 302 and fan 304, thereby grader 301 can sort out the ore that does not have the complete grinding, then flow back to the inside of grinding barrel 101 from feed back pipe 307 again, grind once more, thereby let the material of total discharging pipe 305 exhaust all be tiny granule, be difficult to have the granule that the large granule is not completely ground.

To sum up can, the utility model discloses a be close to one end each other and set up movable hole 208 at two grinding drums 101, through setting up movable hole 208, thereby let grinding roller 201 activity from top to bottom, and the effect of cooperation hydraulic cylinder 204 lets two grinding rollers 201 extrude downwards, thereby let the bottom of grinding roller 201 and the inner wall bottom in close contact with of grinding drum 101, reach high-efficient grinding's effect, through setting up grader 301, dust fall case 302 and fan 304, thereby grader 301 can sort out the ore that does not have complete grinding, then flow back to the inside of grinding drum 101 from feed back pipe 307 again, grind once more, thereby let the material of total discharging pipe 305 exhaust all be tiny granule, be difficult to have the granule that the large granule is not complete grinding.

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

Claims

1. The utility model provides a coaxial two grinds a section of thick bamboo and grinds machine which characterized in that: the grinding machine comprises two rotatable grinding cylinders (101), wherein the two grinding cylinders (101) are coaxially arranged and share one power source;

the two grinding rollers (201) are respectively arranged in the two grinding cylinders (101), a connecting part (203) is connected between the two grinding rollers (201), and a pressing mechanism is arranged on the connecting part (203);

one end of each of the two grinding cylinders (101) is provided with a cover plate (103) capable of rotating, the cover plates (103) are respectively provided with a cover plate feeding hole (105) and a cover plate discharging hole (106), the grinding machine further comprises a material injection pipe (308) and a feeding hopper (309), the discharging hole of the feeding hopper (309) is communicated with the feeding hole of the material injection pipe (308), and the discharging hole of the material injection pipe (308) is respectively communicated with the cover plate feeding holes (105) of the two grinding cylinders (101);

the grinding machine further comprises a classifier (301), a dust falling box (302) and a fan (304), wherein the fan (304) is installed on the dust falling box (302), a finished product discharge hole of the classifier (301) is communicated with a feed inlet of the dust falling box (302), and a material pumping hole and a material returning hole of the classifier (301) correspond to the cover plate discharge hole (106) and the cover plate feed inlet (105) respectively.

2. A coaxial double barrel grinder according to claim 1, characterised in that: the outer wall of the grinding cylinder (101) is provided with a driven gear (102), the driven gear (102) is meshed with a driving gear (205), and the driving gear (205) is driven by a motor (206).

3. A coaxial double barrel grinder according to claim 2, characterised in that: the driving gear (205) is installed on a driving shaft (207), and the driving shaft (207) is connected with the output end of the motor (206) through a coupling.

4. A coaxial double barrel grinder according to claim 1, characterised in that: one ends, close to each other, of the two grinding cylinders (101) are respectively provided with a movable hole (208), the end head of the connecting part (203) penetrates through the movable hole (208) to be connected with the grinding roller (201), and the connecting part (203) can be installed in the movable hole (208) in a sliding mode in a vertically moving mode.

5. A coaxial double barrel grinder according to claim 4, characterised in that: the connecting part (203) is provided with a baffle plate (209) for shielding the movable hole (208).

6. A coaxial double barrel grinder according to claim 5, characterised in that: the mechanism that pushes down is pneumatic cylinder (204), the both ends of connecting portion (203) respectively with two grinding roller (201) fixed connection, the middle part cover of connecting portion (203) is equipped with the bearing, the outer wall of bearing with the drive end of pneumatic cylinder (204) links to each other.

7. A coaxial double barrel grinding machine according to claim 5 wherein: the pressing mechanism is a hydraulic cylinder (204), two ends of the connecting part (203) are connected with the two grinding rollers (201) through bearings respectively, and the middle part of the connecting part (203) is connected with the driving end of the hydraulic cylinder (204).

8. A coaxial double barrel grinder according to claim 1, characterised in that: through pipeline (303) intercommunication between the finished product discharge gate of grader (301) and the feed inlet of dust fall case (302), be equipped with total discharging pipe (305) on dust fall case (302), the material suction mouth and the feed back mouth of grader (301) correspond respectively and are connected with discharging pipe (306) and feed back pipe (307), discharging pipe (306) and feed back pipe (307) correspond respectively and are connected with apron discharge gate (106) and apron feed inlet (105), the outer wall of feed back pipe (307) still communicates with the discharge gate of notes material pipe (308).

9. A coaxial double barrel grinder according to claim 1, characterised in that: the bottom of one end, far away from the cover plate (103), of the grinding cylinder (101) is provided with a supporting seat (202), a plurality of balls are fully distributed on the supporting seat (202), the balls roll on the supporting seat (202), and the bottom of the grinding cylinder (101) is rotatably connected with the supporting seat (202).

10. A coaxial double barrel grinder according to claim 1, characterised in that: the middle part of the cover plate (103) is provided with a support frame (104), and the middle part of the cover plate (103) is fixedly arranged on the top of the support frame (104).