CN2236893Y - Hydraulic swing pulverizer - Google Patents
Hydraulic swing pulverizer Download PDFInfo
- Publication number
- CN2236893Y CN2236893Y CN 94249088 CN94249088U CN2236893Y CN 2236893 Y CN2236893 Y CN 2236893Y CN 94249088 CN94249088 CN 94249088 CN 94249088 U CN94249088 U CN 94249088U CN 2236893 Y CN2236893 Y CN 2236893Y
- Authority
- CN
- China
- Prior art keywords
- centrifugal
- main shaft
- swing arm
- pressure
- hydraulic means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Crushing And Grinding (AREA)
Abstract
The utility model provides a hydraulic swing pulverizer. A main shaft sleeve is arranged on the main shaft, and a hydraulic device is respectively arranged between the main shaft sleeve and each centrifugal pendulum arm. Because each hydraulic device is communicated with a pressure oil pipe through a ring, uniform and flexible pressurizing can be obtained between each roll and each grinding ring. The production efficiency can be enhanced by 20-30 %. Superhard material is used for replacing the cast steel to make rolls and grinding rings, and the iron content of the grinding material can be decreased below 0.02 %. The material with hardness of mohs of 8-9.5 stage can be processed.
Description
The utility model relates to a kind of materials crusher tool, belongs to pendulum type ring roll pulverizer.
When existing pendulum type ring roll pulverizer is worked, rotated by the centrifugal swing arm of driven by motor, outstanding under centrifugal swing arm have three grinding rollers, under action of centrifugal force, grinding roller and bull ring are fitted tightly, the material by is between the two ground (tool ministerial standard JB/T4084-91 according to circumstances).Because centrifugal force is subjected to the influence of rotation speed change, and the pressure between grinding roller and the bull ring is subjected to the influence of centrifugal force and material size, thereby has reduced abrasive dust efficient.Occurred a kind of R type pendulum type ring roll pulverizer that a compression spring is installed between grinding roller and main shaft at present, it can increase the pressure between grinding roller and bull ring, has improved productivity ratio.But the problem of its existence is: the coefficient of elasticity of every spring can not be just the same, therefore causes grinding roller different with the pressure between bull ring; Spring uses for a long time and can produce fatigue, and the pressure between grinding roller and bull ring is reduced; The hardness of comminuting matter is only in Mohs' hardness 4-6 level scope.On the other hand, the grinding roller of existing pendulum type ring roll pulverizer and the material of bull ring are cast steel, in the abrasive dust process, the iron powder that grinds off can directly enter in the material of processing, its iron-holder is reached more than the one thousandth, and the iron powder of sneaking in the material extremely is difficult to remove, and has directly influenced the quality and the scope of application of material.In industries such as high voltage withstanding pottery, meticulous domestic ceramics, high-quality refractory materials, the iron-holder of required micro mist all requires below 2/10000ths at present.Existing this micro mist is generally with steam flow mill, vibromill processing, and the energy consumption of these two kinds of flour mills exceeds pendulum type ring roll pulverizer more than 6 times.
The purpose of this utility model is the deficiency that overcomes existing pendulum type ring roll pulverizer, designs a kind of can making and produces flexible constant pressure between grinding roller and the bull ring, can reduce the hydraulic pressure pendulum type ring roll pulverizer of iron content in institute's grind materials again greatly.
The main technical schemes that the utility model adopts is: the hydraulic pressure pendulum type ring roll pulverizer, mainly by the centrifugal pendulum arm support, centrifugal swing arm, hydraulic means, bull ring, grinding roller, perching knife, belt pulley, main motor, buncher, main shaft, collar bush, sorter and gatherer pipeline constitute.The centrifugal pendulum arm support is fixed in the main shaft upper end, and its each termination is connected with the upper end of corresponding centrifugal swing arm, then fixedlys connected with a grinding roller in the lower end of each centrifugal swing arm; Main shaft is subjected to main Electric Machine Control and rotation by belt pulley, and then by buncher control, main shaft is adorned a collar bush outward to the rotating speed of sorter, and the collar bush upper end is connected with the centrifugal pendulum arm support, and perching knife is equipped with in the lower end; The hydraulic means of one mutual UNICOM is set between collar bush and each the centrifugal swing arm, one end of this hydraulic means fixes by the annular connection pressure oil pipe and the collar bush of this device, can realize the run-in synchronism of the connected sum and the main shaft of each hydraulic means, its other end then is connected with centrifugal swing arm by the piston rod of this device, to realize the flexibility pressurization to grinding roller.Above-mentioned hydraulic means is communicated with pressure oil pipe by annular successively, oil pressure cylinder and piston rod are formed, annular is communicated with pressure oil pipe and is fixed on the collar bush outer wall, and be connected with an end of each oil pressure cylinder, in the other end of oil pressure cylinder piston rod is housed, the outer end of piston rod then fixes with centrifugal swing arm; Whole hydraulic means is communicated with pressure oil pipe and external hydraulic system UNICOM by annular.Bull ring, grinding roller are then made by superhard materials such as carborundum or aluminium oxide or zirconia or titanium carbide or boron carbide or brown diamond spars.
During work, external hydraulic system is communicated with pressure oil pipe by annular to be sent into pressure oil in the oil pressure cylinder of each hydraulic means, promotes piston rod and centrifugal swing arm, and then increases the pressure between grinding roller and the bull ring; When reaching required pressure, external hydraulic system and this hydraulic means are disconnected, make and keep certain pressure in the hydraulic means, thereby make every pair of mill rod reach constant identical with pressure between the bull ring.Simultaneously, substitute existing steel material grinding roller and bull ring, reduced the iron-holder in the product of grinding with superhard material.
The utility model is compared with existing pendulum type ring roll pulverizer, can keep each to the constant pressure in grinding roller and the identical and long-time use of the pressure between the bull ring, improved operating efficiency greatly, can make abrasive dust efficient improve 20-30%, the hardness of processing materials rises to the 8-9.5 level, the iron-holder of comminuting matter is reduced to below 2/10000ths, the scope of application and the added value of product have been improved, owing to substitute existing similar flour mill with the utility model, can be producer and bring tangible economic benefit, and make this utility model have good market prospects.
Accompanying drawing has provided the structure principle chart of this utility model.
The utility model is described in further detail below in conjunction with accompanying drawing.
In the accompanying drawings, 1 is the centrifugal pendulum arm support, and 2 is centrifugal swing arm, 3 is that annular is communicated with pressure oil pipe, and 4 is oil pressure cylinder, and 5 is piston rod, 6 is grinding roller, and 7 is bull ring, and 8 is perching knife, 9 is big belt pulley, and 10 is small belt pulley, and 11 is main motor, 12 is main shaft, and 13 is collar bush, and 14 are the mill storehouse, 15 is sorter, and 16 is buncher, and 17 is the gatherer pipeline.Main shaft 12 is rotated by main motor 11 controls by belt pulley set 9 and 10, centrifugal pendulum arm support 1 is fixed in the upper end of main shaft 12, and its each termination is connected with the upper end of corresponding each centrifugal swing arm 2, fixedlys connected with mill rod 6 in the lower end of centrifugal swing arm 2; A collar bush 13 is equipped with in main shaft 12 outsides, and collar bush 13 tops link to each other with centrifugal pendulum arm support 1, and perching knife 8 is equipped with in the bottom; On mill 14 tops, storehouse, a sorter 15 is housed, it links to each other with buncher 16, and rotates under its control, has a hole to link to each other with gatherer pipeline 17 at the mill storehouse on sorter top sidewall, is used for collecting the material after the pulverizing.Hydraulic means is communicated with pressure oil pipe 3 by annular, oil pressure cylinder 4 and piston rod 5 are formed, whole hydraulic means is communicated with pressure oil pipe 3 by annular and is communicated with external hydraulic system, annular is communicated with pressure oil pipe 3 and is fixed on the outer wall of collar bush 13, and be communicated with an end of each oil pressure cylinder 4, piston rod 5 is housed in the other end of oil pressure cylinder 4, and the outer end of piston rod 5 and centrifugal swing arm 2 fix.
During the machine assembling, hydraulic means and external hydraulic system are connected, pressure oil is communicated with pressure oil pipe by annular and enters respectively in each oil pressure cylinder 4, promoting piston rod 5 stretches out and promotes centrifugal swing arm 2, and then promotion grinding roller 6 compresses with bull ring 7, cut off the path of external hydraulic system and hydraulic means then, pressure oil is enclosed in the hydraulic means, form flexible compression system.When flour mill was worked, main motor 11 drove main shaft 12 by belt pulley set 9 and 10 and rotates, and then drive collar bush 13, centrifugal pendulum arm support 1, centrifugal swing arm 2 and hydraulic means rotate synchronously.The grinding roller 6 of centrifugal swing arm 2 lower ends is outwards put under action of centrifugal force, produces pressure with bull ring 7.Therefore, in fact the pressure between grinding roller and the bull ring is produced in grinding roller by centrifugal force and the acting in conjunction of hydraulic means applied pressure.Material in the mill storehouse 14 enters between grinding roller 6 and the bull ring 7 and is pulverized under perching knife 8 and wind action.When the material of larger particles enters between certain grinding roller 6 and the bull ring environment pollution, pressure in the oil pressure cylinder 4 in these grinding roller 6 pairing hydraulic means increases, thereby be communicated with pressure oil pipe 3 pressure in each hydraulic means is increased synchronously, make each grinding roller identical with the pressure maintenance between bull ring by annular; After this bulky grain was rolled over the comminution powder, the pressure in the whole hydraulic means will drop to original pressure synchronously.Entered mill 14 tops, storehouse by the material of abrasive dust, enter gatherer pipeline 17, send in the gatherer by sorter 15.The rotation of sorter 15 and rotating speed are by buncher 16 controls, and the rotating speed of sorter is high more, and the material of collecting is just thin more.
Claims (3)
1. hydraulic pressure pendulum type ring roll pulverizer, mainly by the centrifugal pendulum arm support, centrifugal swing arm, hydraulic means, bull ring, grinding roller, perching knife, belt pulley, main motor, buncher, main shaft, collar bush, sorter and gatherer pipeline constitute.The centrifugal pendulum arm support is fixed in the main shaft upper end, and its each termination is connected with the upper end of corresponding centrifugal swing arm, then fixedlys connected with a grinding roller in the lower end of each centrifugal swing arm; Main shaft is subjected to main Electric Machine Control and rotation by belt pulley, and then by buncher control, it is characterized in that: main shaft is adorned a collar bush outward to the rotating speed of sorter, and the collar bush upper end is connected with the centrifugal pendulum arm support, and perching knife is equipped with in the lower end; The hydraulic means of one mutual UNICOM is set between collar bush and each the centrifugal swing arm, one end of this hydraulic means fixes by the annular connection pressure oil pipe and the collar bush of this device, can realize the run-in synchronism of the connected sum and the main shaft of each hydraulic means, its other end then is connected with centrifugal swing arm by the piston rod of this device, to realize the flexibility pressurization to grinding roller.
2. according to the described hydraulic pressure pendulum type ring roll pulverizer of claim 1, it is characterized in that described hydraulic means is communicated with pressure oil pipe by annular successively, oil pressure cylinder and piston rod are formed, annular is communicated with pressure oil pipe and is fixed on the collar bush outer wall, and be connected with an end of each oil pressure cylinder, in the other end of oil pressure cylinder piston rod is housed, the outer end of piston rod then fixes with centrifugal swing arm; Whole hydraulic means is communicated with pressure oil pipe and external hydraulic system UNICOM by annular.
3. according to the described hydraulic pressure pendulum type ring roll pulverizer of claim 1, it is characterized in that described bull ring, grinding roller made by superhard material carborundum or aluminium oxide or zirconia or titanium carbide or boron carbide or brown diamond spar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94249088 CN2236893Y (en) | 1994-12-28 | 1994-12-28 | Hydraulic swing pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94249088 CN2236893Y (en) | 1994-12-28 | 1994-12-28 | Hydraulic swing pulverizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2236893Y true CN2236893Y (en) | 1996-10-09 |
Family
ID=33853784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94249088 Expired - Fee Related CN2236893Y (en) | 1994-12-28 | 1994-12-28 | Hydraulic swing pulverizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2236893Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032556A (en) * | 2014-12-05 | 2015-11-11 | 成都宸鸿科技有限公司 | Grinding assembly for cutting and grinding machine |
| CN106179624A (en) * | 2014-12-05 | 2016-12-07 | 成都宸鸿科技有限公司 | A kind of switch arm for cutting machine |
| CN106179621A (en) * | 2014-12-05 | 2016-12-07 | 成都宸鸿科技有限公司 | A kind of switch arm for cutting machine |
| CN106179618A (en) * | 2014-12-05 | 2016-12-07 | 成都宸鸿科技有限公司 | A kind of switch arm for cutting machine |
-
1994
- 1994-12-28 CN CN 94249088 patent/CN2236893Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032556A (en) * | 2014-12-05 | 2015-11-11 | 成都宸鸿科技有限公司 | Grinding assembly for cutting and grinding machine |
| CN106179624A (en) * | 2014-12-05 | 2016-12-07 | 成都宸鸿科技有限公司 | A kind of switch arm for cutting machine |
| CN106179621A (en) * | 2014-12-05 | 2016-12-07 | 成都宸鸿科技有限公司 | A kind of switch arm for cutting machine |
| CN106179618A (en) * | 2014-12-05 | 2016-12-07 | 成都宸鸿科技有限公司 | A kind of switch arm for cutting machine |
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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 |