CN101804374B - Steel mill of grain mill - Google Patents

Steel mill of grain mill Download PDF

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Publication number
CN101804374B
CN101804374B CN200910046284.7A CN200910046284A CN101804374B CN 101804374 B CN101804374 B CN 101804374B CN 200910046284 A CN200910046284 A CN 200910046284A CN 101804374 B CN101804374 B CN 101804374B
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CN
China
Prior art keywords
knife
mill
quiet cutterhead
steel
grinding
Prior art date
Application number
CN200910046284.7A
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Chinese (zh)
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CN101804374A (en
Inventor
陆国麟
Original Assignee
上海宏麟电子科技有限公司
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Priority to CN200910046284.7A priority Critical patent/CN101804374B/en
Publication of CN101804374A publication Critical patent/CN101804374A/en
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Publication of CN101804374B publication Critical patent/CN101804374B/en

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Abstract

The invention discloses a steel mill of a grain mill. The steel mill comprises a movable cutter disc and a fixed cutter disc which are arranged at a predetermined gap, wherein the movable cutter disc and the fixed cutter disc are provided with grinding cutters respectively; the inner ring of the grinding cutter of the movable cutter disc is provided with at least one circle of crushing cutters; the inner ring of the grinding cutter of the fixed cutter disc is provided with at least one circle of crushing cutters; and the outer ring of the grinding cutter on the movable cutter disc is provided with a plurality of centrifugal blades which are arranged annularly.

Description

The steel mill of flour mill

Technical field

The present invention relates to a kind of steel mill of the flour mill that is applicable to the fields such as plastics, rubber, food, medical treatment, chemical industry.

Background technology

Flour mill is mainly by main motor, apparatus for separating metals, steel mill, air blast, one group of conveyance conduit, cyclone, airlock, the compositions such as reciprocating sieve, when its work, main motor is by driving steel mill (steel mill has a charging aperture and a discharging opening), adding the charging aperture that labor and materials grind by steel adds, removing metal object through apparatus for separating metals (determines according to processed material, whether need apparatus for separating metals), entering grinding knife in steel mill grinds, under the effect of air blast, the powder processing is sucked to conveyance conduit, powder enters cyclone afterwards, crossing afterwards airlock enters reciprocating sieve and screens, qualified powder is packaged, underproof powder is got back to conveyance conduit voluntarily by pipeline, and to enter the charging aperture of steel mill again processed.

The key composition of flour mill is steel mill, and can whether the quality of steel mill is directly connected to milled powder, gone out powder, have more powder.Whether extremely important cutter good job in steel mill is.In steel mill, there are one group of movable knife disc and quiet cutterhead, under movable knife disc turning effort, raw material ground.The working condition of steel mill is: on the charging aperture that enters raw material, have a storaging bucket, in the time of work, the raw material that need processing are piled in the inside, because steel mill is finished the work in grinding, movable knife disc and quiet cutterhead have produced heat in process of lapping, to certain temperature processed raw material are had to impact.So the number of charging is to be controlled according to the temperature of steel fluffing by charging motor.At the powder of steel fluffing milled by air blast inspiration conveyance conduit, that must have the air quantity of enough taking away powder, because charging aperture has been piled the raw material that will process and is not had enough air to enter, so just have an air inlet on the side of steel mill, by powerful air quantity, the powder grinding is taken away, the top of discharging opening and air inlet has just become dead angle to make flour mill cutter powder outlet quantity inhomogeneous, affects powder outlet quantity.And because charging aperture has been piled the raw material that will process, make to have filled up in mill chamber material to be processed, under the effect of movable knife disc rotation, their have also produced heat and have limited inlet amount simultaneously, so need to go out the volume that amount of powder will multiplying arrangement when large.

The powder fineness that flour mill grinds is that the two gap of movable knife disc by regulating steel mill and quiet cutterhead is controlled, and the powder that gap grinds is greatly just thick, otherwise the powder grinding is just thin.Present flour mill is more loaded down with trivial details aspect the gap of adjusting movable knife disc and quiet cutterhead, more difficult control.

Summary of the invention

The object of the present invention is to provide a kind of steel mill of flour mill, to improve the powder outlet quantity of flour mill.

In order to realize aforementioned object, the steel of flour mill of the present invention mill, comprises the movable knife disc and the quiet cutterhead that keep predetermined gap, and movable knife disc and quiet cutterhead have respectively grinding knife, is characterized in, is provided with at least one circle crushing knife at the inner ring of the grinding knife of movable knife disc.

The steel mill of described flour mill, its further feature is, and is provided with at least one circle crushing knife at the inner ring of the grinding knife of quiet cutterhead.

The steel mill of described flour mill, its further feature is that described crushing knife is column.

The steel mill of described flour mill, its further feature is, described crushing knife axially there are many seamed edges, on the shaft of described crushing knife, be formed with screw thread.

The steel mill of described flour mill, its further feature is that the multi-turn crushing knife on movable knife disc and the multi-turn crushing knife on quiet cutterhead are in the radially interlaced arrangement of this steel mill.

The steel mill of described flour mill, its further feature is to be formed with the opening as charging aperture and air inlet simultaneously at the end face of quiet cutterhead.

The steel mill of described flour mill, its further feature is, and this opening is formed at the center of the end face of this quiet cutterhead, and every circle crushing knife is annular and arranges centered by the center line of this opening.

The steel mill of described flour mill, its further feature is that the outer ring of the grinding knife on movable knife disc has the multiple centrifugal blade arranging ringwise.

The steel mill of described flour mill, its further feature is, this steel mill also comprises multiple adjusting devices in the gap for regulating movable knife disc and quiet cutterhead, each this adjusting device comprises block set, adjusting bolt, pilot pin cover, hold-down nut and dial, this block set is fixed on the outer face of this quiet cutterhead, the head of this adjusting bolt is embedded in this block set and bar portion stretches out from an opening of this block set, this hold-down nut has screwed hole, this pilot pin cover is fixed on one of steel mill and receives on the shell of this quiet cutterhead, the screwed hole thread connection of the bar portion of this adjusting bolt and this pilot pin cover from wherein passing, the non-circular bar portion of this adjusting screw(rod) is through this dial, this hold-down nut be positioned at the outer end of this adjusting dial and with this adjusting screw(rod) thread connection.

The steel mill of described flour mill, its further feature is, this pilot pin cover also has external screw thread connecting portion, the pitch of the screwed hole of this pilot pin cover is different from the pitch of this external screw thread connecting portion, this pilot pin cover is connected and is fixed on this shell with this outer casing screw by this external screw thread connecting portion, this opening of this block set is greater than the cross section of this adjusting bolt, so that the head of adjusting bolt can be movable in this block set.

Flour mill of the present invention can have multiple use, it is to improve in the internal structure of existing steel mill: the flow process and the raw-material trend of turnover that have changed work, reduce the intensification in powder process of lapping, before grinding, raw material increase by one group of reducing mechanism, having increased centrifuge blade in knife rest (cutterhead) outer ring makes the powder after grinding go out powder to circumference more equably, increase the powder outlet quantity of cutter, so also before grinding, first through pulverizing simultaneously and reduced amount of grinding, there is again the air quantity entering from air inlet to carry out cooling to cutter, reduce the intensification of cutter, the overall performance of flour mill is greatly improved, greatly improve the service life of cutter, make equipment more reasonable.If the height of the steel mill of they powder outlet quantities 200kg per hour is greatly about 80 centimeters to 100 centimeters, motor arrives 55kw about 45kw greatly, and the power of auxiliary-motor also all will improve accordingly.Per hourly under the situation of 55 centimeters of the steel mill height of multipurpose flour mill of the present invention, main motor 18.5kw can go out powder 400kg-600kg and really embodied low consumption high efficiency.The working condition of flour mill of the present invention is; Enter raw material in mill chamber first by crushing knife (for example cylindricality three sword crushing knifes) pulverize (through the raw material pulverizing thin below 100 orders, thick below diameter 1.5mm), next is to enter circular grinding knife to grind (because raw material have alleviated the workload of circular grinding knife nearly 80% under the effect of first reducing mechanism, greatly reduce the heat that grinding produces), then by the effect by centrifuge blade to the discharging around of circular grinding knife.Steel mill of the present invention has charging aperture and discharging opening, there is no independent air inlet, and charging aperture is exactly air inlet.Charging has two kinds of methods, and 1, to have a hopper, the outlet of hopper be below 1/2nd of charging aperture of steel mill, has charging motor to control according to the situation of the requirement of various materials and steel mill temperature.2, also have a hopper, the outlet of hopper is below 1/2nd of charging aperture of steel mill, has conveyer belt under charging Electric Machine Control, to carry out automatic charging according to the situation of the requirement of various materials and steel mill temperature.Due to charging aperture Gang Mo center, air intake distributes and enters discharging opening to circumference under the effect of knife rest outer ring centrifuge blade, there is no discharging dead angle, and load is large.Can ensure, meet the requirement of product according to the gap lengths dense, how many and circular grinding knife of crushing knife that slightly, carefully regulate of required powder delivery simultaneously.It is convenient that the crushing knife of steel mill of multipurpose flour mill of the present invention and the gap of circular grinding knife are adjusted, cylindricality three sword crushing knifes that can be in steel grinds on shell adjusting steel mill chamber arbitrarily after closing the door to a value and the gap of circular grinding knife, its precision can reach 5.The characteristic of multipurpose flour mill: 1, energy-conservation.Total electrisity consumption is 1/2nd to 1/3rd of similar flour mill.2, efficient.Yield is 2 to 3 times of similar flour mill.3, long service life.4, easy to operate.5, temperature rise is low.6, automaticity is high.7, cost is low.

Brief description of the drawings

Fig. 1 is the cutaway view in one embodiment of the invention.

Fig. 2 is that the axle of the movable knife disc in embodiment illustrated in fig. 1 is surveyed view.

Fig. 3 is that the axle of the quiet cutterhead in embodiment illustrated in fig. 1 is surveyed view.

Detailed description of the invention

As shown in Figure 1 to Figure 3, steel mill 1 comprises movable knife disc 10 and quiet cutterhead 20.

Movable knife disc 10 has the grinding knife 12 that is annular, the blade 13 of organizing crushing knife 11 more and arranging ringwise.Blade 13 is centrifugal blades.Grinding knife 12, crushing knife 11 and blade 13 are all fixedly installed on flywheel knife rest 15.

Quiet cutterhead 20 has the grinding knife 22 that is circular arc, organizes crushing knife 11 and an end face opening 23 more.Grinding knife 22, crushing knife 11 are all arranged on carriage saddle 25.End face opening 23, through the interior outer face of carriage saddle 25, is arranged on carriage saddle 25 center.

In the time of work, adding labor and materials enters in the movable knife disc 10 of steel mill 1 and cavity that quiet cutterhead 20 forms according to the direction shown in arrow 40, enter in cavity from the end face opening 23 of quiet cutterhead 20, by being pulverized, levigate material is according to being radially sucked away shown in arrow 50.

Arrow 50 has indicated the discharging direction of steel mill, taking this discharging direction as reference, and on movable knife disc 10, after crushing knife 11 is arranged on grinding knife 12, and before blade 13 is arranged on grinding knife 12.Similarly, on quiet cutterhead 20, after crushing knife 11 is arranged on grinding knife 22.After 20 assemblings of movable knife disc 10 and quiet cutterhead, be ground to 12 and grinding knife 22 toward each other, and the crushing knife 11 of movable knife disc 10 and the crushing knife 11 of quiet cutterhead 20 are in radially (be movable knife disc or quiet cutterhead radially) interlaced arrangement of steel mill.In the embodiment shown in fig. 1, movable knife disc 10 comprises three groups of crushing knifes 11, and quiet cutterhead 20 comprises two groups of crushing knifes 11, respectively organizes crushing knife 11 and all puts with the center ring winding of movable knife disc 10 or quiet cutterhead 20.

It is also air inlet that the end face opening 23 of quiet cutterhead 20 is not only the import that adds labor and materials.In the time of work, material enters from end face opening 23, is first pulverized by crushing knife 11, is then polished cutter 12,22 levigate, due to the centrifugal flow that centrifugal blade 13 produces, makes discharging evenly and discharging speed quickening.With respect to steel mill in the past, because the inner side of grinding knife 12,22 arranges crushing knife 11, make discharging thinner, working (machining) efficiency improves.The end face opening 23 of quiet cutterhead 20 works to do material inlet and air inlet simultaneously, and steel mill 1 is without separately establish an air inlet at side as existing steel mill.And carry out coolingly from being positioned at cavity that powerful wind-force that the end face opening 23 at center enters also can be simultaneously forms quiet cutterhead 20 and movable knife disc 10, this contributes to improve inlet amount.

Crushing knife 11 as shown in Figure 2 and Figure 3 has many axial blades, and also has screw thread.The cross section of crushing knife 11 becomes triangle star, and each angle of triangle star is parallel to the axial plane cutting of crushing knife by one and forms two seamed edges vertically.The manufacture method of crushing knife 11 is very simple in fact, can utilize the mode of tapping to form.The shape of crushing knife 11 is not limited to the embodiment shown in Fig. 4, generally speaking, as long as column, the cross section of crushing knife 11 can be circle, polygon, concave edge shape, convex-edge shape, star etc.

Continue with reference to Fig. 1, steel mill 1 also comprises multiple adjusting devices (embodiment illustrated in fig. 1 have 4) in the gap for regulating movable knife disc 10 and quiet cutterhead 20, each this adjusting device comprises block set 34, adjusting bolt 30, pilot pin cover 33, hold-down nut 30 and dial 32, block set 34 is fixed on the outer face (being the outer face of carriage saddle 25) of quiet cutterhead 20, the head of adjusting bolt 30 is embedded in block set 34 and bar portion stretches out from an opening of block set 34, hold-down nut 30 has screwed hole, the knife rest guide pin bushing of the relative steel mill 1 of pilot pin cover 33 is fixedly installed, be fixed on the door wallboard 35 being fixedly connected with knife rest guide pin bushing, the screwed hole thread connection of the bar portion of adjusting bolt 30 and pilot pin cover 33 from wherein passing, the non-circular bar portion of adjusting screw(rod) 30 is through dial 32, hold-down nut 31 be positioned at the outer end of dial 32 and with adjusting screw(rod) 30 thread connection.Pilot pin cover 33 also has external screw thread connecting portion 330, and the pitch of the screwed hole of pilot pin cover 33 is different from the pitch of external screw thread connecting portion 330, and for example, the pitch of the screwed hole of pilot pin cover 33 is greater than or less than the pitch of external screw thread connecting portion 330.Pilot pin cover 33 is fixed on a wallboard 35 by external screw thread connecting portion 330 and door wallboard 35 thread connection, and the opening of block set 34 is greater than the cross section of adjusting bolt 30, so that the head of adjusting bolt 30 can be in the interior activity of block set 34.The method of the adjusting of adjusting device: first give a value (such as the adjusting iron plate of 1 millimeter) door closure, turn and regulate dial to drive adjusting bolt, make cutterhead gap (such as 1 millimeter) in this value, open again door and take down adjusting iron plate, just can be by regulating dial after again closing the door, according to regulating the scale on dial to control the gap between steel mill inner chamber moving knife and quiet cutter, its adjustable range is at 5 millimeters.

Claims (3)

1. the steel of flour mill mill, comprises the movable knife disc and the quiet cutterhead that keep predetermined gap, and movable knife disc and quiet cutterhead have respectively grinding knife, it is characterized in that, is provided with at least one circle crushing knife at the inner ring of the grinding knife of movable knife disc; Inner ring at the grinding knife of quiet cutterhead is provided with at least one circle crushing knife, described crushing knife is column, described crushing knife axially there are many seamed edges, on the shaft of described crushing knife, be formed with screw thread, the cross section of crushing knife becomes triangle star, and each angle of triangle star is be parallel to that the axial plane cutting of crushing knife forms two seamed edges vertically, and described thread-shaped is formed in the described seamed edge at each angle; Multi-turn crushing knife on movable knife disc and the multi-turn crushing knife on quiet cutterhead are in the radially interlaced arrangement of this steel mill, be formed with the opening as charging aperture and air inlet simultaneously at the end face of quiet cutterhead, this opening is formed at the center of the end face of this quiet cutterhead, every circle crushing knife is annular centered by the center line of this opening to be arranged, there is the multiple centrifugal blade arranging ringwise the outer ring of the grinding knife on movable knife disc; Entering raw material in the mill chamber between movable knife disc and quiet cutterhead and first pulverized by crushing knife, is secondly to enter grinding knife to grind, then by the effect by centrifuge blade to grinding knife discharging around.
2. the steel of flour mill as claimed in claim 1 mill, it is characterized in that, this steel mill also comprises multiple adjusting devices in the gap for regulating movable knife disc and quiet cutterhead, each this adjusting device comprises block set, adjusting bolt, pilot pin cover, hold-down nut and dial, this block set is fixed on the outer face of this quiet cutterhead, the head of this adjusting bolt is embedded in this block set and bar portion stretches out from an opening of this block set, this hold-down nut has screwed hole, this pilot pin cover is fixed on one of steel mill and receives on the shell of this quiet cutterhead, the screwed hole thread connection of the bar portion of this adjusting bolt and this pilot pin cover from wherein passing, the non-circular bar portion of this adjusting bolt is through this dial, this hold-down nut be positioned at the outer end of this adjusting dial and with this adjusting bolt thread connection.
3. the steel of flour mill as claimed in claim 2 mill, it is characterized in that, this pilot pin cover also has external screw thread connecting portion, the pitch of the screwed hole of this pilot pin cover is different from the pitch of this external screw thread connecting portion, this pilot pin cover is connected and is fixed on this shell with this outer casing screw by this external screw thread connecting portion, this opening of this block set is greater than the cross section of this adjusting bolt, so that the head of adjusting bolt can be movable in this block set.
CN200910046284.7A 2009-02-18 2009-02-18 Steel mill of grain mill CN101804374B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200910046284.7A CN101804374B (en) 2009-02-18 2009-02-18 Steel mill of grain mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200910046284.7A CN101804374B (en) 2009-02-18 2009-02-18 Steel mill of grain mill

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CN101804374A CN101804374A (en) 2010-08-18
CN101804374B true CN101804374B (en) 2014-06-18

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Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102733341B (en) * 2011-04-11 2016-02-17 天佑电器(苏州)有限公司 Blower
CN102319608A (en) * 2011-07-26 2012-01-18 沈阳市自然纤维制品厂 Multi-roll circulating cutting type crushing processing device
CN102499345B (en) * 2011-11-08 2013-06-19 娄底市乐开口实业有限公司 One-step rice noodle moulding machine with multi-shearing and mixed functions
CN103111351A (en) * 2011-11-16 2013-05-22 卢小平 Cutter adjusting mechanism of material crushing apparatus
CN102962116B (en) * 2012-12-04 2015-12-09 相雪 Multilayer vertical mill
CN104741198A (en) * 2015-02-28 2015-07-01 上海金珞珈机械有限公司 Novel material crusher
CN108144706B (en) * 2017-12-21 2020-05-05 浙江朗博药业有限公司 Efficient florfenicol powder's rubbing crusher

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Publication number Priority date Publication date Assignee Title
GB235677A (en) * 1924-04-09 1925-06-25 W S Barron & Son Ltd A new or improved impact grinder or disintegrator
CN2592273Y (en) * 2002-12-31 2003-12-17 王学升 Roller spacing display device
CN2683249Y (en) * 2004-03-26 2005-03-09 王奉德 Secondary traditional Chinese medicine grinding machine
CN201012331Y (en) * 2006-10-24 2008-01-30 胥传习 Sodium amide reducing mechanism
CN201020384Y (en) * 2007-03-19 2008-02-13 孔金龙 Viscous material pulverizer
CN201389484Y (en) * 2009-02-18 2010-01-27 陆国麟 Steel mill of pulverizing mill

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Publication number Priority date Publication date Assignee Title
CH271451A (en) * 1946-07-03 1950-10-31 F M A Sarl rotary crusher.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB235677A (en) * 1924-04-09 1925-06-25 W S Barron & Son Ltd A new or improved impact grinder or disintegrator
CN2592273Y (en) * 2002-12-31 2003-12-17 王学升 Roller spacing display device
CN2683249Y (en) * 2004-03-26 2005-03-09 王奉德 Secondary traditional Chinese medicine grinding machine
CN201012331Y (en) * 2006-10-24 2008-01-30 胥传习 Sodium amide reducing mechanism
CN201020384Y (en) * 2007-03-19 2008-02-13 孔金龙 Viscous material pulverizer
CN201389484Y (en) * 2009-02-18 2010-01-27 陆国麟 Steel mill of pulverizing mill

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