CN101804374A - Steel mill of grain mill - Google Patents

Steel mill of grain mill Download PDF

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Publication number
CN101804374A
CN101804374A CN200910046284A CN200910046284A CN101804374A CN 101804374 A CN101804374 A CN 101804374A CN 200910046284 A CN200910046284 A CN 200910046284A CN 200910046284 A CN200910046284 A CN 200910046284A CN 101804374 A CN101804374 A CN 101804374A
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CN
China
Prior art keywords
mill
steel
cutter
quiet cutterhead
flour mill
Prior art date
Application number
CN200910046284A
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Chinese (zh)
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CN101804374B (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 that is applicable to the flour mill in fields such as plastics, rubber, food, medical treatment, chemical industry.

Background technology

Flour mill is mainly by main motor, apparatus for separating metals, the steel mill, air blast, one group of conveyance conduit, cyclone, airlock, compositions such as reciprocating sieve, during its work, main motor is by driving steel mill (the steel mill has a charging aperture and a discharging opening), add the charging aperture adding of labor and materials by the steel mill, removing metal object through apparatus for separating metals (decides according to institute's material processed, whether need apparatus for separating metals), entering the interior cutter that grinds of steel mill grinds, suck conveyance conduit at following powder that processes of the effect of air blast, powder enters cyclone afterwards, crossing airlock afterwards enters reciprocating sieve and screens, qualified powder is packaged, and underproof powder is got back to conveyance conduit voluntarily by pipeline, and to enter the charging aperture of steel mill processed once more.

It is the steel mill that the key of flour mill is formed, and can whether the quality of steel mill is directly connected to have been ground powder, gone out powder, have more powder.Whether extremely important cutter good job in the steel mill is.In the steel mill one group of movable knife disc and quiet cutterhead are arranged, under the movable knife disc turning effort, raw material are ground.The working condition of steel mill is: advancing a storaging bucket is arranged on the material feeding mouth, the raw material that need processing are piled in the inside when work, because the steel mill is finished the work in grinding, movable knife disc and quiet cutterhead have produced heat in process of lapping, to certain temperature all influential to the raw material of being processed.So how much charging is to be controlled according to the temperature of steel fluffing by the charging motor.The powder that grinds at the steel fluffing is 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 has not been had enough air to enter, so just on the side of steel mill, an air inlet is arranged, by powerful air quantity the powder that ground is taken away, the top of discharging opening and air inlet has just become the dead angle to make flour mill cutter powder outlet quantity inhomogeneous, influences powder outlet quantity.And because charging aperture has been piled the raw material that will process, make and filled up material to be processed in the mill chamber, their have also produced heat simultaneously and have limited inlet amount under the effect of movable knife disc rotation, so need go out the volume that amount of powder will multiplying arrangement when big.

The powder thickness degree that flour mill grinds is to control by the two gap of the movable knife disc of regulating the steel mill and quiet cutterhead, and the powder that the gap grinds greatly is just thick, otherwise the powder that grinds is just thin.Present flour mill is more loaded down with trivial details aspect the gap of regulating movable knife disc and quiet cutterhead, 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 purpose, 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 the grinding cutter respectively, is characterized in, is provided with at least one circle pulverizing cutter at the inner ring of the grinding cutter of movable knife disc.

The steel of described flour mill mill, its further characteristics be, and be provided with at least one circle at the inner ring of the grinding cutter of quiet cutterhead and pulverize cutter.

The steel mill of described flour mill, its further characteristics are that described pulverizing cutter is a column.

The steel of described flour mill mill, its further characteristics be, described pulverizing cutter axially have many seamed edges, be formed with screw thread on the shaft of described pulverizing cutter.

The steel mill of described flour mill, its further characteristics are to pulverize the radially interlaced arrangement of cutter at this steel mill at pulverizing cutter of the multi-turn on the movable knife disc and the multi-turn on quiet cutterhead.

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

The steel of described flour mill mill, its further characteristics be, this opening is formed at the center of the end face of this quiet cutterhead, and it is that the center is annular and arranges with the center line of this opening that every circle is pulverized cutter.

The steel mill of described flour mill, its further characteristics are that the outer ring of the grinding cutter on movable knife disc has a plurality of centrifugal blade that is provided with ringwise.

The steel mill of described flour mill, its further characteristics are, this steel mill also comprises a plurality of adjusting devices in the gap that is used to regulate movable knife disc and quiet cutterhead, each this adjusting device comprises block set, regulate bolt, the 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 and from wherein passing, this dial passes in the non-circular bar portion of this adjusting screw(rod), this hold-down nut be positioned at this adjusting dial the outer end and with this adjusting screw(rod) thread connection.

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

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, reduced the intensification in the powder process of lapping, before grinding, raw material increased by one group of reducing mechanism, having increased centrifuge blade in knife rest (cutterhead) outer ring makes the later powder of process grinding go out powder to circumference more equably, increased the powder outlet quantity of cutter, so also before grinding, at first through pulverizing simultaneously and reduced amount of grinding, there is the air quantity that enters from air inlet to come cutter is cooled off again, reduced the intensification of cutter, the overall performance of flour mill is greatly improved, improved the service life of cutter greatly, made equipment more reasonable.As their powder outlet quantities per hour the height of the steel mill of 200kg greatly about 80 centimeters to 100 centimeters, motor greatly about 45kw to 55kw, the power of auxiliary-motor also all will improve accordingly.Per hour can go out powder 400kg-600kg under the situation of 55 centimeters of the steel mill height of multipurpose flour mill of the present invention, main motor 18.5kw and embody the low consumption high efficiency really.The working condition of flour mill of the present invention is; Enter in the mill chamber raw material earlier by pulverize cutter (for example cylindricality three swords are pulverized cutter) pulverize (through the raw material pulverizing thin below 100 orders, thick below diameter 1.5mm), next is to enter the circular cutter that grinds to grind (because raw material have alleviated the workload of circular grinding cutter nearly 80% under the effect of the first road reducing mechanism, greatly reduce the heat that grinding produces), again by effect discharging around circle is ground cutter by centrifuge blade.Steel mill of the present invention has charging aperture and discharging opening, does not have independent air inlet, and charging aperture is exactly an air inlet.Charging has two kinds of methods, and 1, a hopper, the outlet of hopper are arranged is below 1/2nd of charging aperture of steel mill, has the charging motor to control according to the requirement of various materials and the situation of steel mill temperature.2, a hopper is also arranged, the outlet of hopper is below 1/2nd of charging aperture of steel mill, has conveyer belt to carry out automatic charging under the charging Electric Machine Control according to the requirement of various materials and the situation of steel mill temperature.Because charging aperture is at the center of steel mill, air intake distributes to circumference under the effect of knife rest outer ring centrifuge blade and enters discharging opening, does not have the discharging dead angle, and load is big.Can guarantee, satisfy the requirement of product simultaneously according to dense, what and the circular gap length that grinds cutter of slightly, carefully regulating the pulverizing cutter of required powder delivery.It is convenient that the pulverizing cutter of the steel mill of multipurpose flour mill of the present invention and circular gap of grinding cutter are adjusted, can grind cylindricality three swords of regulating arbitrarily on the shell in the steel mill chamber at steel and pulverize cutter and circular gap of grinding cutter after closing the door for a value, its precision can reach 5.The characteristic of multipurpose flour mill: 1, energy-conservation.Total electrisity consumption is 1/2nd to 1/3rd of a 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 height.7, cost is low.

Description of 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.

The specific embodiment

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 cutter 12 that is annular, the blade 13 that many groups are pulverized cutter 11 and arranged ringwise.Blade 13 is centrifugal blades.Grinding cutter 12, pulverizing cutter 11 and blade 13 all is fixedly installed on the flywheel knife rest 15.

Quiet cutterhead 20 has the grinding cutter 22 that is circular arc, and many groups are pulverized a cutter 11 and an end face opening 23.Grinding cutter 22, pulverizing cutter 11 all are arranged on carriage saddle 25.End face opening 23 is arranged on the center of carriage saddle 25 through the interior outer face of carriage saddle 25.

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

Arrow 50 has indicated the discharging direction of steel mill, is reference with this discharging direction, on movable knife disc 10, pulverize cutter 11 and be arranged on after the grinding cutter 12, and blade 13 is arranged on before the grinding cutter 12.Similarly, on quiet cutterhead 20, pulverize cutter 11 and be arranged on after the grinding cutter 22.After 20 assemblings of movable knife disc 10 and quiet cutterhead, be ground to 12 and grind cutter 22 toward each other, and the pulverizing cutter 11 of the pulverizing cutter 11 of movable knife disc 10 and quiet cutterhead 20 is 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 that three groups are pulverized cutter 11, and quiet cutterhead 20 comprises that two groups are pulverized cutter 11, and each group is pulverized cutter 11 and all put with the center ring winding of movable knife disc 10 or quiet cutterhead 20.

It also is air inlet that the end face opening 23 of quiet cutterhead 20 is not only the import that adds labor and materials.In when work, material enters from end face opening 23, is at first pulverized cutter 11 and pulverizes, and it is levigate to be ground cutter 12,22 then because the centrifugal flow that centrifugal blade 13 produces, make discharging evenly and discharging speed accelerate.With respect to steel mill in the past, owing to grind the inboard of cutter 12,22 pulverizing cutter 11 is set, make discharging thinner, working (machining) efficiency improves.The end face opening 23 of quiet cutterhead 20 works to do material import and air inlet simultaneously, and steel mill 1 need not to establish an air inlet in addition at side as existing steel mill.And the cavity that the powerful wind-force that enters from the end face opening 23 that is positioned at the center also can be simultaneously forms quiet cutterhead 20 and movable knife disc 10 cools off, and this helps to improve inlet amount.

Have many axial blades as Fig. 2, pulverizing cutter 11 shown in Figure 3, and also have screw thread.The cross section of pulverizing cutter 11 becomes triangle star, and each angle of triangle star by one be parallel to pulverize cutter shaft to plane cutting form two seamed edges vertically.The manufacture method of pulverizing cutter 11 in fact is very simple, can utilize the mode of tapping to form.The shape of pulverizing cutter 11 is not limited to embodiment shown in Figure 4, and generally speaking, so long as the getting final product of column, the cross section of promptly pulverizing cutter 11 can be circle, polygon, concave edge shape, convex-edge shape, star or the like.

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

Claims (10)

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 the grinding cutter respectively, it is characterized in that, is provided with at least one circle pulverizing cutter at the inner ring of the grinding cutter of movable knife disc.
2. the steel of flour mill as claimed in claim 1 mill is characterized in that, is provided with at least one circle at the inner ring of the grinding cutter of quiet cutterhead and pulverizes cutter.
3. the steel of flour mill as claimed in claim 2 mill is characterized in that described pulverizing cutter is a column.
4. the steel of flour mill as claimed in claim 3 mill is characterized in that, described pulverizing cutter axially have many seamed edges, be formed with screw thread on the shaft of described pulverizing cutter.
5. the steel of flour mill as claimed in claim 2 mill is characterized in that, pulverizes the radially interlaced arrangement of cutter at this steel mill at pulverizing cutter of the multi-turn on the movable knife disc and the multi-turn on quiet cutterhead.
6. the steel of flour mill as claimed in claim 1 or 2 mill is characterized in that, is formed with simultaneously opening as charging aperture and air inlet at the end face of quiet cutterhead.
7. the steel of flour mill as claimed in claim 6 mill is characterized in that this opening is formed at the center of the end face of this quiet cutterhead, and every circle pulverizing cutter is that the center is the annular layout with the center line of this opening.
8. the steel of flour mill as claimed in claim 1 or 2 mill is characterized in that, there is a plurality of centrifugal blade that is provided with ringwise the outer ring of the grinding cutter on movable knife disc.
9. the steel of flour mill as claimed in claim 1 or 2 grinds, it is characterized in that, this steel mill also comprises a plurality of adjusting devices in the gap that is used to regulate movable knife disc and quiet cutterhead, each this adjusting device comprises block set, regulate bolt, the 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 and from wherein passing, this dial passes in the non-circular bar portion of this adjusting screw(rod), this hold-down nut be positioned at this adjusting dial the outer end and with this adjusting screw(rod) thread connection.
10. the steel of flour mill as claimed in claim 9 grinds, it is characterized in that, this pilot pin cover also has the external screw thread connecting portion, the pitch of the screwed hole of this pilot pin cover is different with the pitch of this external screw thread connecting portion, this pilot pin cover connects with this outer casing screw by this external screw thread connecting portion and is fixed on this shell, this opening of this block set is regulated the cross section of bolt greater than this, can be movable in this block set so that regulate the head of bolt.
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

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

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102499345A (en) * 2011-11-08 2012-06-20 娄底市乐开口实业有限公司 One-step rice noodle moulding machine with multi-shearing and mixed functions
CN102733341A (en) * 2011-04-11 2012-10-17 天佑电器(苏州)有限公司 Blowing-sucking machine
CN102962116A (en) * 2012-12-04 2013-03-13 王今奇 Multilayer vertical mill
CN103111351A (en) * 2011-11-16 2013-05-22 卢小平 Cutter adjusting mechanism of material crushing apparatus
CN104741198A (en) * 2015-02-28 2015-07-01 上海金珞珈机械有限公司 Novel material crusher
CN108144706A (en) * 2017-12-21 2018-06-12 浙江朗博药业有限公司 A kind of pulverizer of efficient florfenicol powder

Citations (7)

* 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
GB638673A (en) * 1946-07-03 1950-06-14 Sarl Improvements in crushing machines
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

Patent Citations (7)

* 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
GB638673A (en) * 1946-07-03 1950-06-14 Sarl Improvements in crushing machines
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

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102733341A (en) * 2011-04-11 2012-10-17 天佑电器(苏州)有限公司 Blowing-sucking machine
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
CN102499345A (en) * 2011-11-08 2012-06-20 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
CN102962116A (en) * 2012-12-04 2013-03-13 王今奇 Multilayer vertical mill
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
CN108144706A (en) * 2017-12-21 2018-06-12 浙江朗博药业有限公司 A kind of pulverizer of efficient florfenicol powder
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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