CN216631036U

CN216631036U - Pendulum type pulverizer

Info

Publication number: CN216631036U
Application number: CN202122531286.4U
Authority: CN
Inventors: 唐义廷; 叶云; 肖文辉; 狄文杰
Original assignee: Guilin Mining Machinery Co ltd
Current assignee: Guilin Mining Machinery Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-05-31
Anticipated expiration: 2031-10-19

Abstract

The utility model discloses a pendulum type pulverizer, which comprises a pulverizer main machine and a classifier, wherein the pulverizer main machine comprises: the device comprises a cover cylinder, a driving unit, a base, a grinding mechanism and an air return box; the classifier is arranged above the cover cylinder, a rotor is arranged in the classifier, and the rotor adopts a cylindrical straight blade structure; the grinding mechanism is arranged on the base and comprises a plum blossom frame, a central shaft frame and a grinding roller device, the plum blossom frame is arranged on the central shaft and adopts a cross arm hole oblique splitting structure, and the grinding roller device is arranged on the plum blossom frame; the air return box is in flexible connection with the cover cylinder; the drive unit is installed in the below of base for drive crocus mechanism. The utility model has the advantages of large yield, high grading precision, small occupied area, easy disassembly and stable operation, and simultaneously reduces noise and host vibration.

Description

Pendulum type pulverizer

Technical Field

The utility model relates to the technical field of powder mills, in particular to a pendulum type powder mill.

Background

The pulverizer is mainly applied to chemical industries of pulverizing glass, rubber, pesticides, enamel, paint, phosphate fertilizer, paper making and the like. The hardness is below Mohs seven grade, and the humidity is below 6 percent, thus the material is non-flammable and explosive. Such as: talc, barite, calcite, limestone, manganese ore, iron ore, chromium ore, quartz stone, gypsum, bentonite, and the like. In the prior art, the flour mill has the defects of large occupied area, low yield, inconvenience in disassembly, large vibration, large noise and large abrasion in the processing process, and frequent replacement of vulnerable parts.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model aims to provide a pendulum type pulverizer which has the advantages of high yield, small occupied area, convenience in disassembly, less abrasion and the like.

Specifically, the utility model discloses a pendulum type pulverizer, which comprises a pulverizer main machine and a classifier, wherein the pulverizer main machine comprises: the device comprises a cover cylinder, a driving unit, a base, a grinding mechanism and an air return box; the classifier is arranged above the cover cylinder, a rotor is arranged in the classifier, and the rotor adopts a cylindrical straight blade structure; the grinding mechanism is arranged on the base and comprises a plum blossom frame, a central shaft frame and a grinding roller device, the plum blossom frame is arranged on the central shaft and adopts a cross arm hole oblique splitting structure, and the grinding roller device is arranged on the plum blossom frame; the air return box is in flexible connection with the cover cylinder; the drive unit is installed in the below of base for drive crocus mechanism.

The utility model has the advantages of high yield, high grading precision, small occupied area, easy disassembly, stable operation and noise and vibration reduction.

Further, a feed inlet is arranged in the middle of the cover cylinder, the feed inlet is obliquely arranged, and a grinding ring is installed below the feed inlet on the inner side of the cover cylinder.

Further, the pendulum-type milling machine is still including the welt, the welt is divided into interior bushing plate and outer bushing plate, interior bushing plate installs on central pedestal, outer welt is installed on the base.

Furthermore, the base side is provided with the wind channel, be provided with the wind channel backplate on the wind channel.

Furthermore, the lower end of the air return box is fixedly connected with the base, and a gap is reserved between the upper end of the air return box and the cover cylinder.

Furthermore, the outer side of the air return box is coated with a holding engine and a canvas joint.

Furthermore, the driving unit comprises a first motor and a speed reducer, and the speed reducer is connected with the central shaft.

Furthermore, a grader main shaft is arranged in the grader, the upper end of the grader main shaft penetrates through the grader shell, and the grader main shaft is connected with a second motor for transmission.

Further, a scraper knife lower seat is installed on the axle center shaft bracket, and a scraper knife device is installed at one end, far away from the central shaft, of the scraper knife lower seat.

Furthermore, the grinding roller device adopts floating oil seal and YD sealing ring for sealing.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the embodiments or the description of the prior art will be briefly described below.

FIG. 1 is a view showing a structure of a pendulum type pulverizer

FIG. 2 is a schematic diagram of a pendulum type pulverizer

FIG. 3 is an enlarged view of a portion of the liner and blade assembly

FIG. 4 is a structure view of a plum blossom frame

FIG. 5 is a view showing a structure of a grinding roll apparatus

FIG. 6 is a partial enlarged view of the grinding roller device

Wherein reference numerals are referred to in the figures as follows:

a cover cylinder 1; a drive unit 2; a base 3; a milling mechanism 4; an air return tank 5; a classifier 6; a rotor 7; 8, a plum blossom frame; a central shaft 9; a grinding roller device 10; a feed port 11; a liner plate 12; an inner lining plate 13; an outer liner 14; an air duct 15; an air duct guard plate 16; a holding engine 17; a canvas joint 18; a first motor 19; a speed reducer 20; a center pedestal 21; a classifier main shaft 22; a housing 23; a second motor 24; a lower blade seat 25; a blade device 26; a floating oil seal 27; YD seal 28.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in the figure, the utility model discloses a pendulum type pulverizer, which comprises a pulverizer main machine and a classifier 6, wherein the pulverizer main machine comprises: the device comprises a cover cylinder 1, a driving unit 2, a base 3, a grinding mechanism 4 and an air return box 5; the classifier 6 is arranged above the cover cylinder 1, a rotor 7 is arranged in the classifier 6, and the rotor 7 adopts a cylindrical straight blade structure; the grinding mechanism 4 is installed on the base 3, the grinding mechanism 4 comprises a plum blossom frame 8, a central shaft 9, a central shaft frame 21 and a grinding roller device 10, the central shaft frame 21 is installed on the central shaft 9, the plum blossom frame 8 is installed at the upper end of the central shaft 9, the plum blossom frame 8 adopts a cross arm hole oblique splitting structure, and the grinding roller device 10 is installed on the plum blossom frame 8; the air return box 5 is in flexible connection with the cover cylinder 1; the driving unit 2 is installed below the base 3 for driving the pulverizing mechanism 4.

In some embodiments, the cover cylinder 1 may adopt the following structural scheme, a feed inlet 11 is arranged in the middle of the cover cylinder 1, the feed inlet 11 is arranged obliquely, and a grinding ring is installed below the feed inlet 11 inside the cover cylinder 1.

The technical scheme has the advantages that: through the feed inlet 11 that sets up in the middle part of cover section of thick bamboo 1, in the material that will smash added cover section of thick bamboo 1, fall grinding roller device 10 and go up to grind, the feed inlet 11 that the slope set up is favorable to the material to get into cover section of thick bamboo 1, can not spill over the cover section of thick bamboo 1 outside, the grinding ring is used for grinding the material with grinding roller device 10 cooperation.

In some embodiments, the pendulum mill further comprises a lining plate 12, the lining plate 12 may be divided into an inner lining plate 13 and an outer lining plate 14, the inner lining plate 13 is mounted on the central shaft frame 21, and the outer lining plate 14 is mounted on the base 3.

The technical scheme has the advantages that: the lining plate 12 is used for protecting the bottom plate from being impacted by materials, and the abrasion of the outer lining plate 14 is larger in the using process, so that only the outer lining plate 14 needs to be replaced, the inner lining plate 13 does not need to be replaced, and the scraper seat, the scraper rest lower seat and the scraper device 26 do not need to be disassembled for replacement, so that the material is saved, the operation is simple, and the processing cost is reduced.

In some embodiments, the base 3 may adopt a structure scheme that an air duct 15 is disposed on a side surface of the base 3, an air duct guard 16 is disposed on the air duct 15, and the air duct guard 16 is fixedly connected to a surface of the air duct 15.

The technical scheme has the advantages that: through 15 air intakes in wind channel, send into the grader 6 of top with the material and carry out the classification, because the material can strike base 3 and wind channel 15 at grinding and classification in-process, wind channel backplate 16 plays the effect of protection wind channel 15 and avoids wind channel 15 to appear damaging because of the material collision.

In some embodiments, the air return box 5 may adopt a structure that the lower end of the air return box 5 is fixedly connected with the base 3 and a gap is left between the upper end and the cover cylinder 1.

The technical scheme has the advantages that: a gap is reserved between the air return box 5 and the cover cylinder 1, so that the cover cylinder 1 and the air return box 5 are in soft connection, effective shock insulation is realized, the shock of the base 3 is prevented from being transmitted to the cover cylinder 1, the vibration of a main machine is greatly reduced, noise is reduced, and the cracking phenomenon of the cover cylinder 1 is fundamentally avoided.

In some embodiments, the air return box 5 may also adopt a structure scheme that the outer side of the air return box 5 is wrapped by a holding engine 17 and a canvas joint 18.

The technical scheme has the advantages that: the air return box 5 is coated by the holding engine 17 and the canvas joint 18, so that the air tightness in the flour mill is kept, and the flour mill is prevented from jumping out of gaps.

In some embodiments, the driving unit 2 may further adopt the following structural scheme, the driving unit 2 includes a first motor 19 and a speed reducer 20, the speed reducer 20 is connected with the central shaft 9, the speed reducer 20 is developed autonomously, a thermocouple is arranged in the speed reducer 20 at a position close to an oil level, and the oil temperature can be directly controlled by the thermocouple, so as to protect key components such as bearings and seals, ensure production safety, and reduce overhaul waste.

The technical scheme has the advantages that: the homemade speed reducer 20 operates steadily, the fault rate is lower, maintenance and maintenance are more convenient in the use to can independently master the supply of accessory, avoid purchasing the puzzlement that the speed reducer 20 accessory supply cycle overlength brought for the user outward.

In some embodiments, the classifier 6 may adopt a structure in which a classifier main shaft 22 is provided in the classifier 6, the main shaft is provided with a cylindrical straight blade rotor 7, the upper end of the classifier main shaft 22 passes through a classifier housing 23, a motor is provided outside the classifier housing 23, and the classifier main shaft 22 and a second motor 24 are connected through a belt for transmission.

The technical scheme has the advantages that: the grader 6 is driven by a second motor 24, different rotating speeds can be set as required in the machining process, materials are graded, and products with different fineness are obtained.

In some embodiments, the central shaft bracket 21 may adopt a structure that a scraper knife lower seat 25 is installed on the central shaft bracket 21, the central shaft bracket is fixedly connected with the scraper knife lower seat through a bolt, and a scraper knife device 26 is installed at one end of the scraper knife lower seat 25 away from the central shaft 9.

The technical scheme has the advantages that: the scraper knife device 26 is used for shoveling materials and feeding the materials to the grinding roller device 10 and the grinding ring for grinding, so that the materials are prevented from being accumulated on the pulverizer base 3 and the air inlet of the air blower is prevented from being influenced.

In some embodiments, the grinding roller device 10 may adopt a structure that the grinding roller device 10 is sealed by a floating oil seal 27 and a YD seal ring 28, the floating oil seal 27 is installed in a gland on the grinding roller device 10 and an oil seal groove of a floating seal seat, and the YD seal ring 28 is installed in a groove on the end face of the floating seal seat.

The technical scheme has the advantages that: the floating oil seal 27 and the YD sealing ring 28 can prevent the grease in the floating seal seat from leaking, and the oil filling interval time can reach more than 1 month, thereby achieving the purposes of saving lubricating oil and sealing elements, prolonging the service life of the grinding roller device 10 and prolonging the effective working time of the grinding mill.

During operation, in feeding device sent the material into pendulum-type milling machine cover 1 through feed inlet 11, driven by a motor 19 that crocus mechanism 4 rotates and grinds the material with the cooperation of grinding ring, the material is blown up in the outside air-blower air supply gets into the crocus machine through air intake 11, grader 6 on milling machine upper portion grades the material, the powder that accords with the specification gets into next process from 6 upper end discharge gates of grader, the fineness is too thick the person falls into the crocus machine owner and further grinds.

It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims

1. A pendulum type pulverizer is characterized in that the pendulum type pulverizer comprises a pulverizer main machine and a classifier (6),

the milling machine host computer includes: the grinding device comprises a cover cylinder (1), a driving unit (2), a base (3), a grinding mechanism (4) and an air return box (5);

the classifier (6) is arranged above the cover cylinder (1), a rotor (7) is arranged in the classifier, and the rotor (7) adopts a cylindrical straight blade structure;

the grinding mechanism (4) is installed on the base (3), the grinding mechanism (4) comprises a plum blossom frame (8), a central shaft (9), a central shaft frame (21) and a grinding roller device (10), the plum blossom frame (8) is installed on the central shaft (9), the plum blossom frame (8) adopts a cross arm hole oblique splitting structure, and the grinding roller device (10) is installed on the plum blossom frame (8);

the air return box (5) is in flexible connection with the cover cylinder (1);

the driving unit (2) is arranged below the base (3) and used for driving the powder grinding mechanism (4).

2. Pendulum mill according to claim 1, characterized in that the mantle (1) is provided with a feed inlet (11) in the middle, that the feed inlet (11) is arranged obliquely, and that a grinding ring is mounted below the feed inlet (11) inside the mantle (1).

3. Pendulum mill according to claim 1, further comprising a backing plate (12), said backing plate (12) being divided into an inner backing plate (13) and an outer backing plate (14), said inner backing plate (13) being mounted on a central shaft carrier (21), said outer backing plate (14) being mounted on a base (3).

4. Pendulum mill according to claim 1, characterized in that the base (3) is provided with an air duct (15) at the side, and that an air duct guard (16) is provided on the air duct (15).

5. Pendulum mill according to claim 1, wherein the lower end of the return air box (5) is fixedly connected to the base (3) and a gap is left between the upper end and the mantle (1).

6. Pendulum mill according to claim 1, characterized in that the return box (5) is covered on its outside by a cradle (17) and a canvas joint (18).

7. Pendulum mill according to claim 1, characterized in that said drive unit (2) comprises a motor one (19) and a reducer (20), said reducer (20) being connected to the central shaft (9).

8. Pendulum mill according to claim 1, characterized in that a classifier spindle (22) is arranged in said classifier (6), said classifier spindle (22) passing through the classifier housing (23) at its upper end, said classifier spindle (22) being connected to a second motor (24) for transmission.

9. Pendulum mill according to claim 1, characterized in that the central pedestal (21) is provided with a lower blade seat (25), and that the end of the lower blade seat (25) remote from the central shaft (9) is provided with a blade arrangement (26).

10. Pendulum mill according to claim 1, characterized in that the grinding roller arrangement (10) is sealed with a floating oil seal (27) and a YD seal (28).