CN2331424Y - High-efficient powder grinding device - Google Patents
High-efficient powder grinding device Download PDFInfo
- Publication number
- CN2331424Y CN2331424Y CN 98238280 CN98238280U CN2331424Y CN 2331424 Y CN2331424 Y CN 2331424Y CN 98238280 CN98238280 CN 98238280 CN 98238280 U CN98238280 U CN 98238280U CN 2331424 Y CN2331424 Y CN 2331424Y
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- powder
- process chamber
- high efficiency
- powder process
- efficiency grinding
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Abstract
The utility model relates to a highly efficient powder grinding device which can crush material and grind the material into powdery material, and the utility model is composed of a powder mill and a powder collecting device. The utility model is characterized in that the powder mill is composed of a motor, an accelerating gearbox, a driving device and a powder generating chamber; the accelerating gearbox is arranged between the motor and the powder generating chamber, the powder generating chamber is in the shape of a spiral casing, a throwing disk is arranged on a middle shaft and on the bottom of the powder generating chamber, one end of the powder collecting device is connected by an air pipe with a discharge port which is arranged on the upper part of the powder generating chamber, the other end of the powder collecting device is connected with a blower, and an air control regulating valve is arranged between the powder collecting device and the blower. The utility model has the advantages of simple structure, convenient operation and low energy consumption, and the utility model can be widely used for the material pulverization in industries of chemical engineering, metallurgy, light industry, construction material, etc.
Description
The utility model relates to a kind of high efficiency grinding device that material fragmentation, fine grinding can be processed into powdery, and it is applicable to the material pulverizing of industries such as chemical industry, metallurgy, light industry, building materials.
At present, the various pulverizers that generally use can be divided into the ball mill that medium is arranged and the mill without ball two big classes of no medium substantially, and there have ball mill to exist efficient to be low, energy consumption height, structure heaviness, problems such as medium serious wear.Chinese patent 95217989.X discloses a kind of mill without ball, this device has the mill of going up chamber, under grind the chamber, grind the grinding chamber of chamber cap, motor, one end is connected with motor and the other end stretches into the rotating shaft in the grinding chamber, on, under the chamber of mill central passage is arranged, grinding chamber has covered charging aperture, being positioned at the mill chamber is that the separation chamber is arranged, impeller in rotating shaft is housed in the separation chamber, this device is without steel ball, advantage such as having accomplished does not have medium, free from environmental pollution, but its structure is complicated, though outside grinding chamber, adopt cooling water tank, this its weak heat-dissipating of indirect cooling, cooling effect is unsatisfactory.
The purpose of this utility model is provide at the deficiencies in the prior art a kind of simple in structure, easy to maintenance, can select the granularity of material arbitrarily to adjust the motor revolution according to mill, improves the high efficiency grinding device of fragmentation, levigate material effect again through speed change gear.
High efficiency grinding device described in the utility model adopts the purpose of return tray to be to solve the lubricated sealing problem that causes of direct oil cooling, with bearing and the gear operate as normal of guaranteeing to run up.
Another purpose of the present utility model is to adopt adjustable air-door actuator to control the size of air inducing amount in the powder-recepting machine on powder-recepting machine, and by comminuting matter time of staying in the powder process chamber, thereby really becomes the high efficiency grinding device of fragmentation, mill choosing unification.
The utility model is achieved in that it includes flour mill, powder-recepting machine, is characterized in that:
A: flour mill is by motor, step-up gear, transmission device, the powder process chamber is formed, between motor and powder process chamber, be provided with step-up gear, the input of motor is connected with speed-change control device, output shaft is connected by shaft joint with power transmission shaft, two ends at power transmission shaft are respectively equipped with bearing block, the upper shaft bearing is fixed on the upper cover plate of step-up gear, the bottom end bearing seat is fixed on the lower shoe of step-up gear, the gear wheel of middle setting is connected with the pinion on the axis, one end of axis is arranged on the upper cover plate of step-up gear, the other end extends in the bearing block of bottom, powder process chamber, the powder process chamber is a scroll casing shape, the material casting dish is installed on the axis, is positioned at the indoor bottom of powder process,
Top, powder process chamber is provided with feed hopper,
B: an end of powder-recepting machine is connected with the discharging opening that top, powder process chamber is provided with by airduct, and the other end links to each other with blower fan, is provided with the wind control regulation valve between powder-recepting machine and blower fan, adjusts material granularity.
According to high efficiency grinding device of the present utility model, described scroll casing shape powder process chamber interior walls is provided with high manganese steel lining plate, makes liner plate durable in use.
According to high efficiency grinding device of the present utility model, described scroll casing shape powder process chamber sidewall is provided with the rebush mouth, is convenient to the liner plate maintenance, changes.
According to high efficiency grinding loading amount of the present utility model, described feed hopper has the center and the cone-shaped cloth body of end insertion powder process chamber approaching.
According to high efficiency grinding device of the present utility model, be equipped with direct oil cooling lubricating arrangement and return tray in the described bearing block.
According to high efficiency grinding device of the present utility model, described return tray is by the oil return box body, lid and oil flinger, seal are formed, its oil flinger places the inner barrel top of oil return box body, and be fixed by jam nut, between oil flinger and axis, be provided with sealing ring, be equipped with sealing ring between box body and the lid and between lid and the bearing block.
According to high efficiency grinding device of the present utility model, the front and back of described powder-recepting machine are the horn mouth shape, and the centre is the square box structure, is provided with hopper in the bottom.
According to high efficiency grinding device of the present utility model, be provided with out the airflow-distribution board of several circular holes at the front end of described square box.
According to high efficiency grinding device of the present utility model, be provided with several flap sub-assemblies in the described square box.
According to high efficiency grinding device of the present utility model, described flap sub-assembly is formed by lower and upper cross-member and flute profile flap interlaced arrangement.
The utility model has the advantages that:
1, owing to adopted adjustable varying-speed motor and speed increasing gear box structure, make the revolution of material casting dish variable and fixed than increasing, the material of being gone out by the impelling of material casting dish and the impact of powder process chamber sidewall are got over Gao Yueda because of speed, brokenness is strong more, maximum number of revolutions can reach 4000～6000 rev/mins, its ejection velocity can reach 200～300 meter per seconds, has reached to improve purpose broken, fine grinding material effect.
2, owing to adopted scroll casing type powder process chamber, and powder process is indoor is provided with removable high manganese liner plate, not only makes the indoor formation eddy airstream of powder process, is convenient between particle bump mutually, does not make particle be splashed into grain export again, and is convenient to maintenance.
3, owing in bearing block, be equipped with the oil cooling lubricating arrangement, and adopt return tray to solve oil cooling leakage of oil problem preferably, guaranteed that situation lower bearing and the gear of rotating speed up to 4000～6000 rev/mins runs well continuously.
4, the utility model has reached the separating effect of the control time of material in the powder process chamber and control material outlet granule size owing to adopted the powder-recepting machine of the wind control regulation valve that is provided with adjustable air quantity size.
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the cutaway view of powder process of the present utility model mechanism.
Fig. 3 is the amplification view of return tray of the present utility model.
Fig. 4 is the structural representation of powder-recepting machine of the present utility model.
Fig. 5 is the structural representation of airflow-distribution board in the powder-recepting machine of the present utility model.
Fig. 6 is the schematic diagram of flap sub-assembly in the powder-recepting machine of the present utility model.
Fig. 7 is the attached view of Fig. 6 of the present utility model.
Referring to Fig. 1, Fig. 2, the utility model includes flour mill, powder-recepting machine, it is characterized in that: flour mill is by motor, step-up gear, transmission device, the powder process chamber is formed, between motor 1 and powder process chamber 18, be provided with step-up gear, the input of motor is connected with speed-change control device, speed change gear adopts existing controller, its motor can adopt dc speed-regulating motor, also can adopt alternating current generator, the output shaft of motor is connected by shaft joint 2 with power transmission shaft 3, two ends at power transmission shaft 3 are respectively equipped with bearing block, the upper shaft bearing is fixed on the upper cover plate 4 of step-up gear, the bottom end bearing seat is fixed on the lower shoe 7 of step-up gear, pinion 14 on middle gear wheel that is provided with 5 and the axis 16 is connected with a joggle, one end of axis is arranged on the upper cover plate 4 of step-up gear, the other end extends the bearing block 13 of bottom, powder process chamber, be pulled away for avoiding broken powder to be splashed to meal outlet voluntarily, powder process chamber 18 is designed to scroll casing shape, material casting dish 12 is installed on the axis 16, be positioned at powder process chamber 18 inner bottom parts, be provided with feed hopper 15 on 18 tops, powder process chamber, feed hopper 15 has the center and the cone-shaped cloth body 11 of end insertion powder process chamber 18 approaching.When material after feed hopper 15 enters powder process chamber 18, be evenly distributed on the material casting dish 12 under the effect of cone-shaped cloth body 11.The utility model is multiplied the rotating speed of axis 16 owing to adopted big or small meshed transmission gear, has also driven material casting dish 12 rotation at a high speed that places on the axis 16 of bottom, powder process chamber simultaneously, and maximum speed can reach 4000～6000 rev/mins.The revolution of its axis 16 is high more, and the kinetic energy that the material piece of being dished out by material casting dish 12 obtains is big more, and big more with powder process chamber side wall impact power, brokenness is high more, and powder process is just thin more.
For improving the service life of powder process chamber, on scroll casing shape powder process chamber interior walls, be provided with high manganese steel lining plate 10, after overwhelming, its high manganese steel lining plate 10 forms martensitic structure, and abrasion resistance improves.The utility model also is provided with rebush mouth 17 on scroll casing shape powder process chamber sidewall 9.Its rebush mouth 17 can be provided with several according to the size of powder process chamber, with convenient for maintaining.When expecting that piece is after feed hopper drops down onto material casting dish 12, dished out at a high speed and the pulverizing of clashing into mutually, rub of the liner plate 10 of scroll casing shape powder process chamber, again with the method for controlling the air inducing amount, the particle that closes in granularity requirements is sucked powder-recepting machine, and be collected, wherein bigger heavy particle can fall back to again on the material casting dish 12, is thrown to liner plate 9 once more, produce new bump, thereby make this device really finish varigrained powder process work on request.
For the transmission device that makes utility model can run well in the motion of rotation at a high speed, the utility model is equipped with direct oil cooling lubricating arrangement and return tray 6 in bearing block, its return tray 6 is by oil return box body 22, lid 19 and oil flinger 21, seal are formed, its oil flinger 21 places inner barrel 25 tops of oil return box body 22, and be fixed by jam nut 20, between oil flinger 21 and axis, be provided with sealing ring 24, be equipped with sealing ring 23 between box body 22 and the lid 19 and between lid and the bearing.Referring to accompanying drawing 3.The employing of this oil return box has solved the lubricated spindle nose sealing problem of direct oil cooling effectively, guarantees bearing under up to 4000～6000 rev/mins condition, still operate as normal continuously.
Main points of the present utility model are that also an end of powder-recepting machine is connected with the discharging opening 8 that 18 tops, powder process chamber are provided with by airduct, and the other end links to each other with blower fan 34, is provided with wind control regulation valve 33 between powder-recepting machine and blower fan, sees Fig. 1.The front and back of its powder-recepting machine are horn mouth shape 26, and the centre is a square box structure 28, is provided with hopper 35 in the bottom, sees Fig. 4.Be provided with out the airflow-distribution board 27 of several circular holes 36 at the square box front end, see Fig. 5, guaranteed that air-flow evenly distributes in powder-recepting machine, and in square box 28, be provided with several flap sub-assemblies 29, this flap sub-assembly 29 is formed by lower and upper cross-member 32,31 and flute profile flap 30 interlaced arrangement, sees Fig. 6,7.Flap sub-assembly 29 is generally 4 groups, can be 10 groups at most, mainly decides on collecting powder granularity and concentration.When need are received powder, open blower fan 34, with volume control damper control air inducing amount, make and produce negative pressure in the folded plate type powder-recepting machine, powder slows down by airflow-distribution board 27 back diffusions, after particularly powder and flap assembly clash into repeatedly, its kinetic energy approach exhaustion sinks naturally, and it is very good to receive the powder effect.
The utility model is simple in structure, and operation side makes, and energy consumption is little, and it is little to wear and tear, and noise is little, can be widely used in the material powder process of industries such as chemical industry, metallurgy, light industry, building materials.
Claims (10)
1, a kind of high efficiency grinding device includes flour mill, powder-recepting machine, it is characterized in that:
A: flour mill is by motor, step-up gear, transmission device, the powder process chamber is formed, between motor (1) and powder process chamber (18), be provided with step-up gear, the input of motor is connected with speed-change control device, output shaft is connected by shaft joint (2) with power transmission shaft (3), two ends at power transmission shaft (3) are respectively equipped with bearing block, the upper shaft bearing is fixed on the upper cover plate (4) of step-up gear, the bottom end bearing seat is fixed on the lower shoe (7) of step-up gear, middle gear wheel (5) that is provided with and the pinion (14) on the axis (16) are connected with a joggle, one end of axis is arranged on the upper cover plate (4) of step-up gear, the other end extends in the bearing block (13) of bottom, powder process chamber, powder process chamber (18) is a scroll casing shape, material casting dish (12) is installed on the axis (16), be positioned at the indoor bottom of powder process, be provided with feed hopper (15) on top, powder process chamber (18)
B: an end of powder-recepting machine is connected with the discharging opening (8) that top, powder process chamber (18) is provided with by airduct, and the other end links to each other with blower fan (34), is provided with wind control regulation valve (33) between powder-recepting machine and blower fan.
2, high efficiency grinding device according to claim 1 is characterized in that described scroll casing shape powder process chamber (18) inwall is provided with high manganese steel lining plate (10).
3, high efficiency grinding device according to claim 1 is characterized in that described scroll casing shape powder process chamber (18) sidewall (9) is provided with rebush mouth (17).
4, high efficiency grinding device according to claim 1 is characterized in that described feed hopper (15) has the center and the cone-shaped cloth body (11) of end insertion powder process chamber (18) approaching.
5, high efficiency grinding device according to claim 1 is characterized in that being equipped with in the described bearing block direct oil cooling lubricating arrangement and return tray (6).
6, high efficiency grinding device according to claim 1 or 5, it is characterized in that described return tray (6) is by oil return box body (22), lid (19) and oil flinger (21), seal are formed, its oil flinger (21) places inner barrel (25) top of oil return box body (22), and be fixed by jam nut (20), between oil flinger (21) and central axis seat, be provided with sealing ring (24), be equipped with sealing ring (23) between box body (22) and the lid (19) and between lid and the bearing.
7, high efficiency grinding device according to claim 1, the front and back that it is characterized in that described powder-recepting machine are horn mouth shape (26), and the centre is square box structure (28), is provided with hopper (35) in the bottom.
8,, it is characterized in that the front end at described square box (28) is provided with out the airflow-distribution board (27) of several circular holes (36) according to claim 1 or 7 described high efficiency grinding devices.
9,, it is characterized in that being provided with in the described square box (28) several flap sub-assemblies (29) according to claim 1 or 7 described high efficiency grinding devices.
10,, it is characterized in that described flap sub-assembly (29) is formed by lower and upper cross-member (32), (31) and flute profile flap (30) interlaced arrangement according to claim 1 or 7 or 9 described high efficiency grinding devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98238280 CN2331424Y (en) | 1998-07-15 | 1998-07-15 | High-efficient powder grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98238280 CN2331424Y (en) | 1998-07-15 | 1998-07-15 | High-efficient powder grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2331424Y true CN2331424Y (en) | 1999-08-04 |
Family
ID=33985908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98238280 Expired - Fee Related CN2331424Y (en) | 1998-07-15 | 1998-07-15 | High-efficient powder grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2331424Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537634A (en) * | 2017-09-07 | 2018-01-05 | 谢波宁 | A kind of making apparatus of Moringa biological feedstuff |
-
1998
- 1998-07-15 CN CN 98238280 patent/CN2331424Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107537634A (en) * | 2017-09-07 | 2018-01-05 | 谢波宁 | A kind of making apparatus of Moringa biological feedstuff |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |