CN215541385U

CN215541385U - Roller disc type coal mill

Info

Publication number: CN215541385U
Application number: CN202121609173.5U
Authority: CN
Inventors: 李大续; 刘贵林; 王立伟; 初春亮
Original assignee: Shenzhong Qinhuangdao Machinery Manufacturing Co ltd
Current assignee: Shenzhong Qinhuangdao Machinery Manufacturing Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-01-18
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a roller disc type coal mill, which comprises a box body, wherein the top of the box body is fixedly provided with a feeding pipe and a pair of discharging pipes, a first ring and a second ring are fixedly arranged on the inner wall of the box body, a first annular groove and a second annular groove are respectively arranged in the first ring and the second ring, a first fixing ring is arranged in the first annular groove in a sliding manner, a grinding disc is fixedly arranged in the first fixing ring, a grinding groove is arranged in the upper end of the grinding disc, a second fixing ring is arranged in the second annular groove in a sliding manner, the utility model relates to the technical field of coal mills, in particular to a pair of brackets fixedly arranged on the lower wall surface of a second fixing ring, a grinding disc and a roller disc are driven to rotate in opposite directions by a driving motor, the coal processing speed in the grinding groove can be effectively accelerated, and finally, processed coal powder is blown to the next-stage processing unit from the discharge pipe through the hot air pipe.

Description

Roller disc type coal mill

Technical Field

The utility model relates to the technical field of coal mills, in particular to a roller disc type coal mill.

Background

The coal mill is a machine for crushing and grinding coal briquettes into coal powder, is an important auxiliary device of a coal powder furnace, and is a utility model patent with the publication number of CN211026654U, and discloses a roller disc type medium-speed coal mill, which comprises a shell, wherein a speed reducer is fixedly arranged in a lower inner cavity of the shell, a roller disc arranged in the lower inner cavity of the shell is arranged on an output shaft of the speed reducer, the shell is fixedly arranged on a base, a driving motor for driving the roller disc to rotate is arranged on the base, a discharge hole is arranged at the top end of the shell, a discharge pipe is communicated and arranged on the discharge hole, a coal grinding groove is arranged at the upper end edge of the roller disc, a support rod is rotatably connected in the vertical direction in the shell, a roller wheel is arranged in a rotating link at the end part of the support rod, the lower end of the roller wheel is arranged in the coal grinding groove matched with the lower end of the roller wheel, an adjusting component for adjusting the position of the lower end of the roller wheel in the coal grinding groove is also arranged in the shell, however, in actual life, this utility model just rotates through the roller dish and processes the coal charge, and efficiency is lower, uses inconveniently.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a roller disc type coal mill, which solves the problem of low efficiency of the prior device.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a roller disc coal pulverizer, includes the box, box top fixed mounting has inlet pipe and a pair of discharging pipe, box inner wall fixed mounting has first ring and second ring, first ring and first ring channel and second ring channel have been seted up respectively in the second ring, slidable mounting has first solid fixed ring in the first ring channel, the inside fixed mounting of first solid fixed ring has the abrasive disc, the inside grinding groove of having seted up in abrasive disc upper end, slidable mounting has the solid fixed ring of second in the second ring channel, the solid fixed ring of second wall fixed mounting has a pair of support, and is a pair of roller dish is installed respectively to the support lower extreme, and is a pair of roller dish is located the grinding inslot, actuating mechanism is installed to the bottom half.

Preferably, the driving mechanism comprises a driving motor fixedly installed at the bottom of the box body, a transmission shaft is connected to the driving end of the driving motor, the upper end of the transmission shaft is fixedly connected with the middle part of the bottom of the grinding disc, a driving bevel gear is sleeved outside the transmission shaft, and a transmission mechanism is installed on the box body.

Preferably, drive mechanism includes movable mounting and is in first drive rod on the box lateral wall, the both ends of first drive rod fixed mounting respectively have first driven bevel gear and the driven bevel gear of second, first driven bevel gear with initiative bevel gear meshes, fixed mounting has a pair of bearing support on the box outer wall, and is a pair of the last cartridge of bearing support has the second transfer line, the upper and lower both ends of second transfer line fixed mounting respectively have first gear and the driven bevel gear of third, the driven bevel gear of third with the driven bevel gear of second meshes, box lateral wall upper end inside movable mounting has the second gear, the solid fixed ring of second goes up wall fixed mounting has the drum, the outer wall fixed mounting in drum upper end has the ring gear.

Preferably, a hot air pipe is fixedly mounted on the other side wall of the box body, a hot air nozzle is fixedly mounted at one end of the hot air pipe, and the hot air nozzle is located on the grinding groove.

Preferably, the second gear is meshed with the ring gear and the first gear.

Preferably, the inner wall of the bottom of the box body is fixedly provided with a cross beam, and the cross beam is sleeved outside the transmission shaft.

Advantageous effects

The utility model provides a roller disc type coal mill which has the advantages that the device is compact in structure, a driving motor is started, an upper grinding disc can be driven to rotate through a transmission shaft, a driving bevel gear on the transmission shaft drives a first transmission rod to rotate through a first driven bevel gear, the first transmission rod drives a second transmission rod to rotate through a second driven bevel gear and a third driven bevel gear which are meshed, a cylinder is driven to rotate through the second gear, the cylinder drives a roller disc at the lower end of a bracket to rotate in a grinding groove through a second fixing ring at the lower end, and coal is processed, the utility model can realize that the grinding disc and the roller disc are driven to rotate in opposite directions through one driving motor, the processing speed of the coal in the grinding groove can be effectively accelerated, and finally, processed coal dust is blown into a next-stage processing unit from a discharge pipe through a hot air pipe, brings convenience to people.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a box body; 2. a driving bevel gear; 3. a drive shaft; 4. a drive motor; 5. a first driven bevel gear; 6. a first drive lever; 7. a second driven bevel gear; 8. a third driven bevel gear; 9. a second transmission rod; 10. a first circular ring; 11. a first retaining ring; 12. a grinding disk; 13. a second circular ring; 14. a second retaining ring; 15. a first gear; 16. a second gear; 17. a ring gear; 18. a cylinder; 19. a discharge pipe; 20. a support; 21. a roll pan; 22. a hot air pipe; 23. and (5) grinding the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a roller disc type coal mill comprises a box body 1, wherein a feeding pipe and a pair of discharging pipes 19 are fixedly mounted at the top of the box body 1, a first circular ring 10 and a second circular ring 13 are fixedly mounted on the inner wall of the box body 1, a first annular groove and a second annular groove are respectively formed in the first circular ring 10 and the second circular ring 13, a first fixing ring 11 is slidably mounted in the first annular groove, a grinding disc 12 is fixedly mounted in the first fixing ring 11, a grinding groove 23 is formed in the upper end of the grinding disc 12, a second fixing ring 14 is slidably mounted in the second annular groove, a pair of supports 20 are fixedly mounted on the lower wall surface of the second fixing ring 14, a pair of roller discs 21 are respectively mounted at the lower ends of the supports 20, the pair of roller discs 21 are located in the grinding groove 23, a driving mechanism is mounted at the bottom of the box body 1 and comprises a driving motor 4 fixedly mounted at the bottom of the box body 1, the grinding machine is characterized in that a driving end of the driving motor 4 is connected with a transmission shaft 3, the upper end of the transmission shaft 3 is fixedly connected with the middle part of the bottom of the grinding disc 12, a driving bevel gear 2 is sleeved outside the transmission shaft 3, a transmission mechanism is installed on the box body 1 and comprises a first transmission rod 6 movably installed on the side wall of the box body 1, two ends of the first transmission rod 6 are respectively and fixedly provided with a first driven bevel gear 5 and a second driven bevel gear 7, the first driven bevel gear 5 is meshed with the driving bevel gear 2, the outer wall of the box body 1 is fixedly provided with a pair of bearing supports, a second transmission rod 9 is inserted into the pair of bearing supports, the upper end and the lower end of the second transmission rod 9 are respectively and fixedly provided with a first gear 15 and a third driven bevel gear 8, and the third driven bevel gear 8 is meshed with the second driven bevel gear 7, the inside movable mounting of 1 lateral wall upper end of box has second gear 16, the solid fixed ring 14 of second goes up wall fixed mounting has drum 18, the outer wall fixed mounting in drum 18 upper end has ring gear 17, fixed mounting has hot-blast main 22 on 1 another lateral wall of box, 22 one end fixed mounting of hot-blast main has hot-blast nozzle, hot-blast nozzle is located grind on the groove 23, second gear 16 with ring gear 17 and the meshing of first gear 15, 1 bottom inner wall fixed mounting of box has the crossbeam, the crossbeam cover is in 3 outsides of transmission shaft.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes thereof are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in the present disclosure.

Example (b): when the device is used, firstly, coal to be processed is added into the box body 1 from the feeding pipe, the driving motor 4 is started simultaneously, the driving motor 4 drives the grinding disc 12 above the driving motor through the transmission shaft 3 to rotate, meanwhile, the driving bevel gear 2 on the transmission shaft 3 drives the first transmission rod 6 to rotate through the meshed first driven bevel gear 5, the first transmission rod 6 drives the second transmission rod 9 to rotate through the meshed second driven bevel gear 7 and the meshed third driven bevel gear 8, the first gear 15 at the upper end of the second transmission rod 9 drives the cylinder 18 to rotate through the second gear 16, the cylinder 18 drives the roller disc 21 at the lower end of the bracket 20 to rotate in the grinding groove 23 through the second fixing ring 14 at the lower end, the roller disc 21 and the grinding disc 12 rotate in opposite directions, the processing of the coal can be accelerated, the driving motor is convenient to control, finally, the feeding pipe is closed, hot air is introduced into the hot air pipe, the pulverized coal is dried and simultaneously sent into the next stage from the discharge pipe 19, and the use is convenient.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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

Claims

1. The roller disc type coal mill comprises a box body (1) and is characterized in that a feeding pipe and a pair of discharging pipes (19) are fixedly mounted at the top of the box body (1), a first circular ring (10) and a second circular ring (13) are fixedly mounted on the inner wall of the box body (1), a first circular groove and a second circular groove are respectively formed in the first circular ring (10) and the second circular ring (13), a first fixing ring (11) is slidably mounted in the first circular groove, a grinding disc (12) is fixedly mounted in the first fixing ring (11), a grinding groove (23) is formed in the upper end of the grinding disc (12), a second fixing ring (14) is slidably mounted in the second circular groove, a pair of supports (20) are fixedly mounted on the lower wall surface of the second fixing ring (14), and a pair of roller discs (21) are respectively mounted at the lower ends of the supports (20), the pair of roller discs (21) are positioned in the grinding groove (23), and a driving mechanism is installed at the bottom of the box body (1).

2. The roller disc type coal mill according to claim 1, characterized in that the driving mechanism comprises a driving motor (4) fixedly installed at the bottom of the box body (1), a driving shaft (3) is connected to a driving end of the driving motor (4), an upper end of the driving shaft (3) is fixedly connected to a middle portion of the bottom of the grinding disc (12), a driving bevel gear (2) is sleeved outside the driving shaft (3), and a transmission mechanism is installed on the box body (1).

3. The roller disc type coal mill according to claim 2, wherein the transmission mechanism comprises a first transmission rod (6) movably mounted on the side wall of the box body (1), a first driven bevel gear (5) and a second driven bevel gear (7) are respectively fixedly mounted at two ends of the first transmission rod (6), the first driven bevel gear (5) is meshed with the driving bevel gear (2), a pair of bearing brackets are fixedly mounted on the outer wall of the box body (1), a second transmission rod (9) is inserted on the pair of bearing brackets, a first gear (15) and a third driven bevel gear (8) are respectively fixedly mounted at the upper end and the lower end of the second transmission rod (9), the third driven bevel gear (8) is meshed with the second driven bevel gear (7), and a second gear (16) is movably mounted inside the upper end of the side wall of the box body (1), and a cylinder (18) is fixedly mounted on the upper wall surface of the second fixing ring (14), and a gear ring (17) is fixedly mounted on the outer wall surface of the upper end of the cylinder (18).

4. The roller disc type coal mill as claimed in claim 1, characterized in that a hot air pipe (22) is fixedly mounted on the other side wall of the box body (1), and a hot air nozzle is fixedly mounted at one end of the hot air pipe (22) and positioned on the grinding groove (23).

5. A roller disc coal mill according to claim 3, characterized in that the second gear wheel (16) meshes with the ring gear (17) and the first gear wheel (15).

6. The roller disc type coal mill as claimed in claim 2, characterized in that a cross beam is fixedly mounted on the inner wall of the bottom of the box body (1), and the cross beam is sleeved outside the transmission shaft (3).