CN215507067U

CN215507067U - Raymond machine

Info

Publication number: CN215507067U
Application number: CN202121750892.9U
Authority: CN
Inventors: 邓永椿; 许太钦; 朱聪
Original assignee: Fujian Longyi Powder Equipment Manufacturing Co ltd
Current assignee: Fujian Longyi Powder Equipment Manufacturing Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2022-01-14
Anticipated expiration: 2031-07-29

Abstract

The utility model relates to a Raymond machine, which comprises a cylinder, a grinding mechanism, a main shaft and a driving mechanism, wherein the cylinder is provided with a cylinder body; the grinding mechanism and the main shaft are respectively arranged in the cylinder body, and the grinding mechanism is used for grinding and crushing materials; one end of the main shaft is connected with the grinding mechanism, and the other end of the main shaft is connected with the driving mechanism; the driving mechanism is positioned on one side of the main shaft and is used for driving the main shaft to rotate; the driving mechanism comprises a stator and a rotor; the stator is fixedly arranged, the rotor is fixedly connected with the main shaft, and the stator and the rotor are matched with each other. According to the Raymond mill, the stator is fixedly arranged, the rotor is directly sleeved and connected on the main shaft, the rotor is fixedly connected with the main shaft, and the stator and the rotor are mutually matched, so that the main shaft is directly driven to rotate through the rotor, the transmission loss is reduced, the energy consumption is reduced, the transmission efficiency is improved, the overall structure is more compact, the occupied area is small, and the space is saved; the maintenance is convenient, and the service life of the equipment is prolonged.

Description

Raymond machine

Technical Field

The utility model relates to the technical field of grinding, in particular to a Raymond mill.

Background

The Raymond mill is a common milling device and is mainly used for high-fineness powder processing in industries such as barite, calcite, potash feldspar, talc, marble, limestone, dolomite, fluorite, lime, activated clay, activated carbon, bentonite, kaolin, cement, phosphate rock, gypsum, glass, bluestone, petroleum coke, chemical raw material heat insulation materials and the like, wherein the Mohs hardness of the non-combustible and explosive minerals, the chemical industries, the buildings and the like is not more than 9.3, and the humidity of the non-combustible and explosive minerals is below 6%.

The existing Raymond machine mainly adopts a driving motor to be in transmission connection with a speed reducer through a belt pulley mechanism, and the speed reducer is in transmission connection with a main shaft through a coupler so as to transmit the main shaft; the belt pulley mechanism comprises a driving wheel connected with the driving motor, a driven wheel connected with the rotor and at least one belt coated on the driving wheel and the driven wheel; however, the transmission mode has the advantages of large transmission loss, large energy consumption, low transmission efficiency, large occupied space and high manufacturing cost; and because the vibration during operation, the belt operation is unstable, the phenomenon of skidding appears easily, reduces the life of raymond mill, and cost of maintenance is high.

SUMMERY OF THE UTILITY MODEL

Therefore, a raymond machine is needed to be provided for solving the problems that the existing raymond machine mainly adopts a driving motor to be in transmission connection with a speed reducer through a belt pulley mechanism, and the speed reducer is in transmission connection with a main shaft through a coupler so as to transmit the main shaft; the belt pulley mechanism comprises a driving wheel connected with the driving motor, a driven wheel connected with the rotor and at least one belt coated on the driving wheel and the driven wheel; however, the transmission mode has the advantages of large transmission loss, large energy consumption, low transmission efficiency, large occupied space and high manufacturing cost; and the belt is unstable in operation due to vibration during operation, so that the phenomenon of slipping is easy to occur, the service life of the Raymond machine is shortened, and the maintenance cost is high.

In order to achieve the above object, the inventor provides a raymond machine, which comprises a cylinder, a grinding mechanism, a main shaft and a driving mechanism;

the grinding mechanism and the main shaft are respectively arranged in the cylinder body, and the grinding mechanism is used for grinding and crushing materials;

one end of the main shaft is connected with the grinding mechanism, and the other end of the main shaft is connected with the driving mechanism;

the driving mechanism is positioned on one side of the main shaft and is used for driving the main shaft to rotate;

the driving mechanism comprises a stator and a rotor;

the stator is fixedly arranged, the rotor is fixedly connected with the main shaft, and the stator is matched with the rotor.

As a preferable structure of the utility model, the stator and the rotor are coaxially arranged, the stator and the rotor are arranged at intervals and are separated, and an external power supply supplies power to the stator so as to drive the rotor to rotate.

As a preferable structure of the utility model, the raymond machine further comprises a supporting mechanism, the cylinder body is arranged on the supporting mechanism, and the cylinder body is fixedly connected with the supporting mechanism.

As a preferred structure of the present invention, the supporting mechanism is a main frame base, and the stator is fixedly connected to the main frame base.

As a preferred structure of the utility model, a fixing plate is arranged on the main body base and is fixedly connected with the main machine base;

the fixing plate and the host machine base are integrally formed;

the stator is fixedly connected with the fixing plate.

As a preferable structure of the present invention, the supporting mechanism is a stator housing, and the stator is fixedly connected to the stator housing.

As a preferred structure of the utility model, the Raymond mill further comprises a bearing seat assembly;

the bearing seat assembly is sleeved on the main shaft, one end of the bearing seat assembly is fixedly connected with the main shaft, and the other end of the bearing seat assembly is fixedly connected with the supporting mechanism;

the rotor, the main shaft and the bearing seat assembly are integrated;

the stator is fixedly connected with the bearing seat assembly.

As a preferred structure of the utility model, the grinding mechanism comprises a plurality of groups of grinding rollers, grinding rings and a scraper knife;

the grinding rollers are respectively arranged on the outer sides of the main shafts and are respectively connected with the main shafts;

the grinding ring is arranged on the inner wall of the cylinder body and is positioned on one side of the grinding roller;

the scraper knife is arranged at the bottom of the outer side of the main shaft and connected with the main shaft.

As a preferable structure of the utility model, the Raymond machine further comprises a grading mechanism, wherein the grading mechanism is arranged in the cylinder body and is used for screening materials.

As a preferred structure of the utility model, the raymond machine further comprises a feeding hole and an air inlet box, wherein the feeding hole and the air inlet box are respectively arranged on one side of the barrel, the air inlet box is positioned below the feeding hole, the feeding hole is communicated with the barrel, and the air inlet box is communicated with the barrel.

Different from the prior art, the beneficial effects of the technical scheme are as follows: according to the Raymond machine, the driving mechanism and the stator are fixedly arranged, the rotor is directly sleeved and connected on the main shaft of the Raymond machine, the rotor is fixedly connected with the main shaft, and the stator and the rotor are mutually matched, so that the main shaft is directly driven to rotate through the rotor, the transmission loss is reduced, the energy consumption is reduced, the transmission efficiency is improved, the whole structure is more compact, the occupied area is small, and the space is saved. And compare with the actuating mechanism of current raymond machine: the driving mechanism of the Raymond machine provided by the utility model cancels an integrated motor, a motor base, a motor belt pulley, a main machine belt pulley, a belt or speed reducer, a speed reducer base, a coupling and the like are not needed, the processes of intermediate speed reduction and acceleration are not needed, the rotating speed of a rotor is directly the rotating speed of a main shaft of the Raymond machine, and the transmission loss is reduced. In maintenance, a belt does not need to be replaced, lubricating grease does not need to be added or lubricating oil of the speed reducer does not need to be replaced, workload is reduced, maintenance is convenient, and the service life of equipment is prolonged.

Drawings

FIG. 1 is one of the cross-sectional views of a Raymond machine according to an embodiment;

FIG. 2 is a second cross-sectional view of the Raymond machine of the embodiment;

fig. 3 is a third cross-sectional view of the raymond machine in accordance with an embodiment.

Description of reference numerals:

1. the device comprises a cylinder body and a control device,

2. the grinding mechanism is used for grinding the workpiece,

21. a grinding roller is arranged on the grinding roller,

22. the grinding ring is arranged on the grinding head,

23. a scraper knife is arranged at the front end of the scraper knife,

24. the grinding wheel frame is provided with a grinding wheel frame,

3. a main shaft is arranged on the main shaft,

4. a driving mechanism for driving the motor to rotate,

41. a stator which is provided with a plurality of stator coils,

42. the rotor is provided with a plurality of rotor blades,

5. the support mechanism is used for supporting the movable support frame,

51. a base of the host machine is provided with a base,

511. a fixing plate is arranged on the base plate,

52. a stator housing, a stator frame and a stator,

6. a bearing seat assembly is arranged on the bearing seat,

7. a grading mechanism is arranged on the upper portion of the frame,

71. a grading motor is arranged on the upper portion of the frame,

72. a grading wheel is arranged at the bottom of the grading wheel,

8. a feeding hole is arranged on the upper surface of the shell,

9. an air inlet box.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present application, it should be understood that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described with reference to the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

Referring to fig. 1 to 3, the embodiment relates to a raymond mill, which includes a cylinder 1, a grinding mechanism 2, a spindle 3 and a driving mechanism 4; the grinding mechanism 2 and the main shaft 3 are respectively arranged in the cylinder body 1, and the cylinder body 1 is used as a grinding and crushing treatment area of materials; the grinding mechanism 2 is used for grinding and crushing materials; one end of the main shaft 3 is connected with the grinding mechanism 2, and the other end of the main shaft 3 is connected with the driving mechanism 4; the driving mechanism 4 is located on one side of the main shaft 3, and the driving mechanism 4 is used for driving the main shaft 3 to rotate.

Further, in some embodiments, as shown in fig. 1 to 3, the raymond machine further includes a feed inlet 8, a discharge port and an air inlet box 9, the feed inlet 8 and the air inlet box 9 are respectively arranged on one side of the barrel 1, the discharge port is arranged on the other side of the barrel 1, the air inlet box 9 is arranged below the feed inlet 8, the feed inlet 8 is communicated with the barrel 1, the materials are fed into the barrel 1 from the feed inlet 8 to be ground and crushed, the air inlet box 9 is communicated with the barrel 1, the materials after being ground and crushed are blown into the grading mechanism 7 through the wind power of the air inlet box 9 under the action of the fan, and the discharge port is communicated with the barrel 1.

Further, in some embodiments, as shown in fig. 1 to 3, the grinding mechanism 2 includes a plurality of sets of grinding rollers 21, grinding rings 22, and blades 23; the grinding rollers 21 are respectively arranged on the outer sides of the main shafts 3, and the grinding rollers 21 are respectively connected with the main shafts 3. Specifically, in this embodiment, a position of the grinding roller 21 near the main shaft 3 is provided with a limiting member, and the grinding roller 21 and the main shaft 3 are fixedly connected through the limiting member, so that the grinding roller 21 is fixed firmly.

Further, in some embodiments, as shown in fig. 1 to 3, the grinding ring 22 is disposed on the inner wall of the cylinder 1, and the grinding ring 22 is located at one side of the grinding roller 21; the scraper knife 23 is arranged at the bottom of the outer side of the main shaft 3, and the scraper knife 23 is fixedly connected with the main shaft 3 through welding. Further, in some embodiments, as shown in fig. 1 to 3, the grinding mechanism 2 further includes a grinding wheel frame 24, and the grinding wheel frame 24 is disposed on the main shaft 3. It should be noted that the structure of the grinding mechanism 2 of the present embodiment is not limited to this, and those skilled in the art can select other suitable grinding mechanisms 2 according to the teaching of the present embodiment.

Further, in some embodiments, as shown in fig. 1 to 3, the raymond machine further includes a grading mechanism 7, the grading mechanism 7 is disposed in the cylinder 1, and the grading mechanism 7 is used for screening materials. Specifically, in this embodiment, the classifying mechanism 7 includes a classifying motor 71 and a classifying wheel 72, the classifying motor 71 is disposed on the cylinder 1, the classifying wheel 72 is disposed in the cylinder 1, a power output shaft of the classifying motor 71 is connected to the classifying wheel 72, and the classifying motor 71 is configured to provide a driving force to the classifying wheel 72. It should be noted that the structure of the ranking mechanism 7 of the present embodiment is not limited to this, and those skilled in the art can select other suitable ranking mechanisms 7 according to the teaching of the present embodiment.

Further, in some embodiments, the raymond machine further comprises an access door, the access door is arranged on the cylinder body 1, and the access door is movably connected with the cylinder body 1 through a movable part. Specifically, in this embodiment, the movable shaft is used as the movable member. When needing to overhaul, through the unblock buckle, the access door makes the access door open with mutually supporting of loose axle, overhauls 1 insides of barrel, and is easy and simple to handle, saves repair time, has improved the work efficiency to the maintenance of raymond mill, labour saving and time saving.

Specifically, in the Raymond mill of the embodiment, the main shaft 3 is driven to rotate by the driving mechanism 4, the rotating main shaft 3 drives the grinding roller 21 and the scraper knife 23 to rotate at a high speed, centrifugal force is generated, the grinding roller 21 and the grinding ring 22 rotate relatively, then the material is poured into the cylinder body 1 from the feeding hole 8, the grinding roller 21 is tightly rolled on the grinding ring 22 under the action of centrifugal force, the scraper knife 23 scrapes the material and sends the material to the middle of the grinding roller 21 and the grinding ring 22, the raw materials are ground and crushed by the grinding roller 21 and the grinding ring 22, the materials are crushed into powder under the action of the grinding force, then the air is fed from the air inlet box 9 under the action of the fan, the ground and crushed materials are blown into the grading mechanism 7 under the action of wind force, the grading motor 71 drives the grading wheel 72 to work, and screening the ground materials, returning the materials into the cylinder body 1 to continue grinding and grinding until the requirements are not met, and feeding the materials into a dust collector from a discharge hole through a classifier.

Further, in some embodiments, as shown in fig. 1-3, the drive mechanism 4 includes a stator 41 and a rotor 42; the stator 41 is fixedly arranged, the rotor 42 is fixedly connected with the main shaft 3, and the stator 41 is matched with the rotor 42. Further, in some embodiments, the rotor 42 is fixed on the main shaft 3 through a fixing component, and the fixing component is detachably connected with the main shaft 3, so that the disassembly is convenient and the maintenance is convenient. It should be noted that the structure of the driving mechanism 4 of the present embodiment is not limited to this, and those skilled in the art can select other suitable driving mechanisms 4 according to the teaching of the present embodiment.

Specifically, in this embodiment, as shown in fig. 1 to 3, the stator 41 and the rotor 42 are coaxially disposed, the stator 41 and the rotor 42 are separately disposed at an interval, and an external power supply provides power for the stator 41, so as to drive the rotor 42 to rotate. Specifically, the stator 41 winding lets in the alternating current, can form the rotating magnetic field that rotates with certain speed along a direction, and rotor 42 is the permanent magnet, also can form a permanent magnetic field, because of stator 41 is fixed, under two magnetic field interact, produces the torque, drives rotor 42 and rotates along magnetic field direction of rotation to drive main shaft 3 work. Preferably, in the present embodiment, the driving mechanism 4 is a split motor.

Specifically, in the raymond mill of the present embodiment, as shown in fig. 1 to 3, the stator 41 is fixedly disposed, the rotor 42 is directly sleeved on the main shaft 3 of the raymond mill, the rotor 42 is fixedly connected with the main shaft 3, and the rotor 42 and the stator 41 are coaxially disposed at intervals and are split, the stator 41 and the rotor 42 are mutually matched, so that the main shaft 3 is directly driven to rotate through the rotor 42, transmission loss is reduced, energy consumption is reduced, transmission efficiency is improved, the overall structure is more compact, the occupied area is small, and space is saved; and compared with the driving mechanism 4 of the prior Raymond machine: the driving mechanism 4 of the Raymond machine in the embodiment cancels an integrated motor, a motor base, a motor belt pulley, a main machine belt pulley, a belt or a speed reducer, a speed reducer base, a coupling and the like are not needed, the processes of intermediate speed reduction and acceleration do not exist, and the rotating speed of the rotor 42 is directly the rotating speed of the main shaft 3 of the Raymond machine; in maintenance, a belt does not need to be replaced, lubricating grease does not need to be added or lubricating oil of the speed reducer does not need to be replaced, workload is reduced, maintenance is convenient, and the service life of equipment is prolonged.

Further, in some embodiments, as shown in fig. 1 to fig. 3, the raymond machine further includes a supporting mechanism 5, the cylinder 1 is disposed on the supporting mechanism 5, the cylinder 1 is fixedly connected to the supporting mechanism 5, and the driving mechanism 4 is disposed in a pit below the supporting mechanism 5, so as to greatly save space.

Further, in some embodiments, as shown in fig. 1, the supporting mechanism 5 is a main body base 51, and the stator 41 is fixedly connected to the main body base 51. The machine body base is used as a supporting mechanism 5 of the Raymond machine, the stator 41 is directly fixed on the machine body base, and the stator 41 is fixed, so that the occupied space is greatly reduced, and the space is saved.

Further, in some embodiments, as shown in fig. 1, a fixing plate 511 is disposed on the main body base, and the fixing plate 511 is fixedly connected to the main body base 51; in other embodiments, the fixing plate 511 is integrally formed with the host base 51; the stator 41 is fixedly connected to the fixing plate 511. Specifically, in this embodiment, the stator 41 is fixedly connected to the fixing plate 511 through a flange, and the fixing plate 511 fixes the stator 41, so that the occupied space is greatly reduced, and the space is saved.

Further, in some embodiments, as shown in fig. 2, the supporting mechanism 5 is a stator 41 housing 52, and the stator 41 is fixedly connected to the stator 41 housing 52. Specifically, in this embodiment, the stator 41 casing 52 serves as the main machine base 51 and plays a supporting role, and the stator 41 coil is directly and fixedly mounted on the stator 41 casing 52 and plays a fixing role for the stator 41, so that the occupied space is greatly reduced, and the space is saved.

Further, in some embodiments, as shown in fig. 3, the raymond machine further comprises a bearing block assembly 6; the bearing seat assembly 6 is sleeved on the main shaft 3, one end of the bearing seat assembly 6 is fixedly connected with the main shaft 3, and the other end of the bearing seat assembly 6 is fixedly connected with the supporting mechanism 5; further, the bearing seat assembly 6 includes a bearing and a bearing seat, and the main shaft 3 is mounted on the bearing seat through the bearing. The rotor 42, the main shaft 3 and the bearing seat assembly 6 are integrated; the stator 41 is fixedly connected with the bearing seat assembly 6. The stator 41 is directly fixed on the bearing seat assembly 6, so that the stator 41 is fixed, the occupied space is greatly reduced, and the space is saved.

Specifically, in the raymond mill of this embodiment, stator 41 is fixed to be set up, establishes rotor 42 directly to overlap to be connected on the main shaft 3 that sets up the raymond mill, rotor 42 and main shaft 3 fixed connection, and stator 41 mutually supports with rotor 42 to directly drive main shaft 3 through rotor 42 and rotate, reduce transmission loss, reduce the power consumption, improve transmission efficiency, overall structure is compacter, and area is little, saves space. The main shaft 3 rotates to drive the grinding mechanism 2 to grind and crush. Then the main shaft 3 is driven to rotate by the driving mechanism 4, the rotating main shaft 3 drives the grinding roller 21 and the shovel blade 23 to rotate at a high speed, centrifugal force is generated, the grinding roller 21 and the grinding ring 22 rotate relatively, then the material is poured into the cylinder body 1 from the feeding hole 8, the grinding roller 21 is tightly rolled on the grinding ring 22 under the action of centrifugal force, the scraper knife 23 scrapes the material and sends the material to the middle of the grinding roller 21 and the grinding ring 22, the raw materials are ground and crushed by the grinding roller 21 and the grinding ring 22, the materials are crushed into powder under the action of the grinding force, then the air is fed from the air inlet box 9 under the action of the fan, the ground and crushed materials are blown into the grading mechanism 7 under the action of wind force, the grading motor 71 drives the grading wheel 72 to work, and screening the ground materials, returning the materials into the cylinder body 1 to continue grinding and grinding until the requirements are not met, and feeding the materials into a dust collector from a discharge hole through a classifier.

Compared with the driving mechanism 4 of the prior Raymond machine: the driving mechanism 4 of the Raymond machine in the embodiment cancels an integrated motor, a motor base, a motor belt pulley, a main machine belt pulley, a belt or a speed reducer, a speed reducer base, a coupling and the like are not needed, the processes of intermediate speed reduction and acceleration do not exist, and the rotating speed of the rotor 42 is directly the rotating speed of the main shaft 3 of the Raymond machine; in maintenance, a belt does not need to be replaced, lubricating grease does not need to be added or lubricating oil of the speed reducer does not need to be replaced, workload is reduced, maintenance is convenient, and the service life of equipment is prolonged.

It should be noted that, although the above embodiments have been described herein, the utility model is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present patent.

Claims

1. A Raymond mill is characterized in that: comprises a cylinder, a grinding mechanism, a main shaft and a driving mechanism;

the driving mechanism comprises a stator and a rotor;

2. The raymond machine of claim 1, wherein: the stator with the rotor is coaxial to be set up, just the stator with the rotor interval sets up and is split type, and external power source does the stator provides the power to drive the rotor rotates.

3. Raymond mill according to claim 1 or 2, characterized in that: the Raymond machine further comprises a supporting mechanism, the barrel is arranged on the supporting mechanism and fixedly connected with the supporting mechanism.

4. The raymond machine of claim 3, wherein: the supporting mechanism is a host base, and the stator is fixedly connected with the host base.

5. The Raymond machine of claim 4, wherein: a fixed plate is arranged on the host base and is fixedly connected with the host base;

the fixing plate and the host machine base are integrally formed;

the stator is fixedly connected with the fixing plate.

6. The raymond machine of claim 3, wherein: the supporting mechanism is a stator shell, and the stator is fixedly connected with the stator shell.

7. The raymond machine of claim 3, wherein: the Raymond mill further comprises a bearing seat assembly;

the rotor, the main shaft and the bearing seat assembly are integrated;

the stator is fixedly connected with the bearing seat assembly.

8. The raymond machine of claim 1, wherein: the grinding mechanism comprises a plurality of groups of grinding rollers, grinding rings and a scraper knife;

9. The raymond machine of claim 1, wherein: the Raymond machine further comprises a grading mechanism, wherein the grading mechanism is arranged in the cylinder body and used for screening materials.

10. The raymond machine of claim 1, wherein: the Raymond mill still includes feed inlet and air inlet case, the feed inlet and the air inlet case set up respectively in one side of barrel, the air inlet case is located the below of feed inlet, the feed inlet with the barrel intercommunication, the air inlet case with the barrel intercommunication.