CN201097125Y - Carbon powder cartridge for laser printer - Google Patents

Abstract

The utility model relates to a carbon powder tube for a laser printer, which comprises a powder storage bin, a waste powder bin and a handle. A powder outlet is arranged on the powder storage bin. One end of a sealing element is fixed on the handle, and the opposite end is supported glidingly on the end wall of the powder storage bin opposite to the handle. A connecting mouth corresponding to the powder outlet is arranged on the sealing element. Both the apparent shapes of the powder storage bin and the sealing element present cylinders. The sealing element is nested on the outer wall of the column of the powder storage bin. The gliding and contacting state is maintained by the way that the sealing element can revolve around the middle axle of the powder storage bin between the outer surfaces of the circumferential bottom wall of the sealing element and the powder outlet. The carbon powder tube has the advantages that the containing efficiency of the carbon powder is high, and the utilization efficiency of the carbon powder is good.

Description

The carbon dust tube that is used for laser printer

Technical field

The utility model relates to for example carbon dust tube of laser printer of electrophotographic image forming, particularly has the puddle support that is used to transmit carbon dust, is used to store and the powder-storage bin of supply toner and being used to holds the carbon dust tube of the waste powder hopper of the remaining carbon dust that is produced by photosensitive drums.

Background technology

Electrophotographic image forming, laser printer for example, its use value is by containing the photosensitive drums that the laser beam flying irradiation that predetermined information is arranged has predetermined potential, form electrostatic latent image at photosensitive drum surface, and then the developer of this electrostatic latent image with predetermined carbon dust and so on developed, be transferred to the carbon dust image that is about to obtain on the recording medium such as paper through developing, afterwards again the image fixing of transfer printing acquisition, become the visual image that naked eyes can be observed, realize the conversion of image---signal---between the image.

Common laser printer is provided with in its casing or includes charging roller, photosensitive drums, laser scanning mechanism, developer roll, transfer roll and fixing roller etc.These constitute the unit according to manufacturer's purpose of design and technical thought separately, finally form the different parts of integrated level.For example, consider factors such as task that each parts is born and technical life, charging roller, photosensitive drums etc. is prepared into an independently image forming process unit, or claim the sensitization processing unit; Laser scanning mechanism, transfer roll and fixing roller then directly are installed in the printer respectively; Developer roll and powder feeding roller etc. are integrated into an independently developing cell, also claim developing apparatus or Delevoping cartridge.After image-generating unit and developing cell are combined into a powder box that possesses image transitions ability and image developing ability simultaneously, standby in the printer of just can packing into.Perhaps in view of holding the disposable operating characteristic of storing up carbon dust in the developing apparatus, and the developing apparatus concentrated area that comprises developer roll, powder feeding roller, powder-storage bin and waste powder hopper etc. is designed to a relatively independent replaceable member, make it with comprising the image forming process unit of charging roller, photosensitive drums or comprising that the laser printer of image forming process unit keeps dismountable movable connection method.Perhaps further powder-storage bin and waste powder hopper are combined and be designed to individual member, make it keep dismountable movable connection method with the developing cell that comprises developer roll, powder feeding roller, for in time changing carbon dust, the durability that makes full use of parts such as developer roll, photosensitive drums facilitates.

In the course of the work, photosensitive drums charges to predetermined potential by charging roller, and response is formed corresponding to the electrostatic latent image for the treatment of print image on its cylindrical surface by the irradiation of laser scanning mechanism emitted laser bundle.

Store developer for example toner, ink powder or carbon dust within it in the container that the carbon dust tube is established, and utilize powder feeding roller and developer roll that carbon dust is sent to the corresponding region that photosensitive drums has electrostatic latent image, obtain the visual carbon dust image that naked eyes can be observed.

The carbon dust image that forms on the photosensitive drums is transferred on the paper of walking between photosensitive drums and the transfer roll slit by transfer roll, utilizes fixing roller that the carbon dust image on the paper is given permanent photographic fixing at last.

For the split type carbon dust tube that obtains because of the integrated level difference, it mainly utilizes the powder-storage bin of establishing in it to bear the storage of carbon dust and is transported to the task of developer roll, moreover utilizes waste powder hopper to hold the remaining carbon dust that is produced by photosensitive drums.This split type carbon dust tube and the developing cell that comprises developer roll, powder feeding roller, and the image forming process unit at photosensitive drums place are generally taked the separately mode of accumulating, then fit assembling during installation.After carbon dust tube and developing cell, image forming process unit assembling finish, be exposed to the photosensitive region of the outer development roll surface of developing chamber sidewall window with photosensitive drums on the image forming process unit, promptly exposed drum face adjacency, the carbon dust that developer roll carries is passed to photosensitive drums in this in abutting connection with the position, finishes the conversion of electrostatic latent image and carbon dust image.

Aforementioned carbon dust tube, its waste powder hopper are provided with for remaining carbon dust and flow into the useless powder inlet in it and control this inlet and open/close state of switch mechanism, and the remaining carbon dust that is produced by photosensitive drums must just can enter in the waste powder hopper through this inlet.For example CN200610107795.1 Chinese invention patent application discloses the developer box that a kind of maintenance supplies to the developer in the print process cartridge of image forming apparatus.This developer box comprises fresh developer chamber and waste developer chamber.The indoor maintenance new reagent of new reagent.Keep discarded developer in the waste developer chamber.Inlet is formed in the waste developer chamber.Discarded developer receives in the waste developer chamber by inlet.First opens and closes member opens and closes inlet.When control member navigated to primary importance, mechanism drove first and opens and closes member to open this inlet after developer box joins print process cartridge to.When control member navigated to the second place, mechanism drove first and opens and closes member to close inlet before developer box separates from print process cartridge.This carbon dust tube is after being loaded into image-forming assembly, the useless powder inlet of its carbon dust tube is inserted in the useless powder outlet of image-forming assembly, rotate the handle of carbon dust tube then, open carbon dust tube powder supply port and supply powder to developing cell, simultaneously by gear drive, guide member in the useless powder inlet of carbon dust tube is rotated simultaneously,, receive useless powder from the useless powder outlet of image-forming assembly to open the useless powder inlet of carbon dust tube.This carbon dust tube, be equipped with the gauge tap of hollow cylinder in its powder storehouse as powder storehouse meal outlet, coincidence that utilization forms with powder storehouse meal outlet in the hollow cylinder rotary course at the connected entrance that is provided with on the hollow cylinder or released state realize the unlatching of powder storehouse meal outlet or close, the construction of switch of this built-in form need take the inner space in powder storehouse, is unfavorable for that the carbon dust that makes full use of the powder storehouse is installed in efficient.

The utility model content

The utility model purpose is to provide a kind of carbon dust tube of laser printer, and this carbon dust tube can keep the inner space utilization ratio of its powder-storage bin effectively.

According to above-mentioned purpose, the carbon dust tube that the utility model is used for laser printer comprises and is used to store carbon dust and it is supplied to the powder-storage bin of developer roll, the handle that is used to store up the waste powder hopper of the remaining carbon dust that is produced by photosensitive drums and is used to control carbon dust turnover state in the powder-storage bin.Powder-storage bin carbon dust wound packages is gone under the state of laser printer and is provided with along being parallel to the meal outlet that the developer roll central axis direction is extended in its diapire that is parallel to developer roll.Seal one end is fixed on the handle, and its opposite end is supported on the end wall of powder-storage bin position with respect to handle slidably.Seal is provided with the connected entrance with the meal outlet correspondence.The face shaping of powder-storage bin and seal all is cylindrical drum.The seal sleeve is on the powder-storage bin outer cylindrical wall.Seal keeps the sliding contact state with the mode of can thorny handle axis rotating with seal between the diapire outside surface around the meal outlet.Like this, in the first jiao position of seal with respect to the handle axis, the connected entrance on the seal is with the alignment of powder-storage bin meal outlet, and the powder-storage bin meal outlet just is in opening-wide state, and the carbon dust in the powder-storage bin can be flowed out by meal outlet; In the second jiao position of seal with respect to the handle axis, the connected entrance on the seal staggers with the powder-storage bin meal outlet, and carbon dust is enclosed within the powder-storage bin.

Preferably, the aforementioned carbon dust tube that is used for laser printer also comprises the puddle support that is arranged in the powder-storage bin inner chamber.The spring leaf that is fixed on this puddle support is rendered as camber line with the powder-storage bin inner chamber corresponding to the formed osculatory of chamber wall of diapire along puddle support outward flange radially.This camber line has following form when puddle support rotates: this camber line corresponding to the part in spring leaf stage casing on the puddle support sense of rotation with of the chamber wall formed contact of powder-storage bin inner chamber corresponding to diapire, lag behind this camber line corresponding to the part at spring leaf two ends with of the chamber wall formed contact of powder-storage bin inner chamber corresponding to diapire.The powder-storage bin meal outlet along stirring framing shaft to the position corresponding to the stage casing in the same way of spring leaf partly.

The utility model is used for the carbon dust tube of laser printer, adopt mutually nested inner/outer tube switch form together, with inner core as storage powder container, the switch that outwards flows as control inner core carbon dust with urceolus, help making full use of the inner core space and hold the storage carbon dust, the carbon dust that improves powder-storage bin is installed in efficient.Further transform this carbon dust tube, promptly under puddle support or carbon dust rabbling mechanism are packed the state of powder-storage bin inside into, its spring leaf is kept in touch at least with the chamber wall of powder-storage bin inner chamber corresponding to diapire along puddle support back shaft outward flange radially.And spring leaf is rendered as camber line with the powder-storage bin inner chamber corresponding to the formed osculatory of chamber wall of diapire along puddle support back shaft outward flange radially.This camber line forms following form when the puddle support back shaft rotates: this camber line corresponding to the part in spring leaf stage casing with of the chamber wall formed contact of powder-storage bin inner chamber corresponding to diapire, on the sense of rotation of puddle support back shaft, lag behind this camber line corresponding to the part at spring leaf two ends with of the chamber wall formed contact of powder-storage bin inner chamber corresponding to diapire.Like this, in puddle support back shaft when rotation,, spring leaf can be in the powder-storage bin inner chamber loosing and be advanced to the place position of powder-storage bin inner chamber corresponding to the blade stage casing corresponding to the carbon dust at position, place, blade two ends, makes carbon dust concentrate on the zone at meal outlet place relatively.The result, remain in the interior position of powder-storage bin and will be subjected to the abundant stirring of puddle support, and be pooled to the zone at meal outlet place, and then improve the utilization ratio of carbon dust corresponding to the carbon dust in the corner at spring leaf two ends, reduce the remaining carbon dust amount in the carbon dust tube, prolong the serviceable life of carbon dust tube.

The drawing explanation

Fig. 1 the utility model is used for the carbon dust tube skeleton view one of laser printer.

Fig. 2 the utility model is used for the carbon dust barrel structure decomposing schematic representation of laser printer.

Fig. 3 the utility model is used for the carbon dust tube fragmentary, perspective view one of laser printer.

Fig. 4 the utility model is used for the carbon dust tube fragmentary, perspective view two of laser printer, powder-storage bin is shown with concerning as the assembling structure between the seal of switch.

Fig. 5 the utility model is used for the carbon dust tube fragmentary, perspective view three of laser printer.

Fig. 6 the utility model laser printer carbon powder tube accessory skeleton view one.

Fig. 7 the utility model laser printer carbon powder tube accessory skeleton view two.

Embodiment

Describe the carbon dust barrel structure and the course of work thereof that the utility model is used for laser printer in detail below in conjunction with accompanying drawing.In institute's drawings attached, identical mark is used to refer to identical parts, feature or structure.Embodiment introduce in the process at concrete structure or parts only understand the reference illustration that the utility model is used for the carbon dust tube of laser printer as those skilled in the art, those skilled in the art can also make under the enlightenment of this technical scheme and not exceed the utility model and be used for the carbon dust tube technical scope of laser printer and the various equivalent technologies structures of essence.Thus; if it is unfavorable limiting the protection domain that carbon dust tube claim that the utility model is used for laser printer included with this exemplary illustration; the equivalent technologies structural scheme that under the technical solutions of the utility model enlightenment, obtains; perhaps replace the technical scheme that original technical characterictic constitutes, still belong to the protection domain of the utility model laser printer carbon powder tube claim with equivalent feature.

Referring to Fig. 1～7, the utility model is shown is used for the carbon dust tube of laser printer and the configuration state of related components or feature thereof.Wherein, Fig. 1,2 is mounted to state in the laser printer as the reference frame of its drawing with carbon dust tube A, promptly carbon dust tube A with the meal outlet of its powder-storage bin be positioned at vertical under the user mode to the bottom as the reference state.

The task of bearing according to each building block is investigated the constitution state of carbon dust tube A, and it mainly is made up of following member: be used to hold and lay in a certain amount of carbon dust and carbon dust be transported to the printer developing apparatus powder-storage bin 1, be used to collect and hold the waste powder hopper 2 of the remaining carbon dust that produces by the printer photosensitive drums.

Referring to Fig. 1,2,3,4, the plastics that powder-storage bin 1 adopts tygon and so on prepare with molding mode as starting material.It is the cylindrical drum 116 that profile is hollow approximately.It is formed by columniform side walls enclose.Powder-storage bin 1 forms uncovered 101,102 respectively along two ends of cylindrical drum 116 central axis direction α.Powder-storage bin 1 is parallel to offer along cylindrical drum 116 central axis direction α on the diapire 103 of cylindrical drum 116 central axis direction α and extends, and the position is between the meal outlet 107 of the predetermined length in cylindrical drum 116 central axis direction α stage casings.Uncovered 101 is cylindrical nozzle that its outer wall has a circle or multi-turn independently-inflatable annulus 104.Uncovered 102 projection of shape is identical along the stage casing shape of cross section of cylindrical drum 116 central axis direction α with powder-storage bin 1.

Uncovered 101 are sealed in the modes that are embedded in uncovered 101 by first end cap 105.The shape of first end cap 105 is corresponding to uncovered 101, and the both is rounded.Uncovered 102 by second end cap 106 can the mode of inserting be sealed mutually between the two.

In the inner chamber of the powder-storage bin 1 that seals by first end cap 105 and second end cap 106, promptly in the inner chamber of cylindrical drum 116, be provided with the carbon dust rabbling mechanism 3 that is used to stir carbon dust.This carbon dust rabbling mechanism 3 comprises columniform back shaft 301, be fixed in support 302 on the back shaft 301, be maintained fixed the blade 303 and first driving head 304 of connection with support 302.One end of back shaft 301 is fixed with second driving head 305.First driving head 304 rotatably is fixed on the radial center of first end cap 105.Second driving head 305 on the back shaft 301 rotatably is fixed on the radial center of second end cap 106.Back shaft 301 positions keep along back shaft 301 axial dismountable fixedly connected states with first driving head 304 with respect to the axle head 306 of second driving head 305.In the present embodiment, back shaft 301 positions are inserted in by cylindrical axle head 306 in the axis hole that is provided with on first driving head 304 and by support 302 with the fixedly connected state of first driving head 304 with respect to the axle head 306 of second driving head 305 and realize that with the mode of first driving head, 304 engagements promptly cylindrical axle head 306 is with the positioning states that is maintained fixed between first driving head 304 at the position of departing from these cylindrical axle head 306 centers of circle on the circumferencial direction of back shaft 301.Like this, receive the situation of rotating driving torque, will form back shaft 301 around self axis and maintenance and first driving head 304 or 305 synchronous the rotatablely moving of second driving head at one of first driving head 304 or second driving head 305.

The formation part blade 303 of above-mentioned carbon dust rabbling mechanism 3, generally adopt soft resilient material for example plastics etc. make, referring to Fig. 5,6.Blade 303 axially has corresponding to powder-storage bin 1 inner chamber length in the same way along back shaft 301.On back shaft 301 diametric(al)s, the distance of blade 303 along the outer edge in the axial stage casing 3031 of back shaft 301 to back shaft 301 centers of circle is less than the distance of blade 303 along the outer edge at the axial two ends 3032,3033 of back shaft 301 to back shaft 301 centers of circle.Under carbon dust rabbling mechanism 3 was packed the state of powder-storage bin 1 into, blade 303 kept in touch with the chamber wall of powder-storage bin 1 inner chamber corresponding to diapire 103 at least along back shaft 301 outward flange radially.Blade 303 is rendered as camber line with powder-storage bin 1 inner chamber corresponding to formed osculatory between the chamber wall of diapire 103 along back shaft 301 outward flange radially.This camber line forms following form when back shaft 301 rotations, promptly this camber line corresponding to the part in blade stage casing 3031 with powder-storage bin 1 inner chamber corresponding to formed contact between the chamber wall of diapire 103, on the sense of rotation β of back shaft 301, lag behind this camber line corresponding to the part at blade two ends 3032,3033 with powder-storage bin 1 inner chamber corresponding to formed contact between the chamber wall of diapire 103.During back shaft 301 rotations, blade 303 can be in powder-storage bin 1 inner chamber loosing and be advanced to the place position of powder-storage bin 1 inner chamber corresponding to blade stage casing 3031 corresponding to the carbon dust at position, 3032,3033 place, blade two ends, makes carbon dust concentrate on the zone at meal outlet 107 places relatively.Specifically, when back shaft 301 drove lower blade 303 generation rotations, concentrated carbon dust just as the two side of scraper bowl at blade two ends 3032,3033 to blade stage casing 3031, and then be pooled to the zone at meal outlet 107 places.

Be loaded under the state of its inner chamber by first end cap 105 and the sealing of second end cap 106 and carbon dust rabbling mechanism 3 at powder-storage bin 1, continue to finish assembling with lower member.

At the end of powder-storage bin 1 corresponding to first end cap 105, first transmission gear 108 is fixed in the side of first driving head 304 back to powder-storage bin 1 inner chamber, keep first driving head 304, first transmission gear 108 and back shaft 301 threes coaxial simultaneously.Be embedded in uncovered 101 and keep both to be under the relatively-stationary state at first end cap 105, first driving head 304, first transmission gear 108 and back shaft 301 threes keep the state that can rotate synchronously with respect to first end cap 105.First transmission gear 108 adopts common non-circular axle head and corresponding non-circular bearing hole butt joint form with the connected mode between first driving head 304, can pass to first driving head 304 to rotary torque as long as satisfy first transmission gear 108.

After first transmission gear 108 is fixed, cylinder barrel shaped seal 115 sleeves of hollow at powder-storage bin 1, promptly on the outer cylindrical wall of cylindrical drum 116.Projection that is provided with on cylinder barrel shaped seal 115 inner cylindrical walls or bulge loop mutually to being buckled together, are fixed on uncovered 101 outer walls seal 115 with the expansion annulus 104 on uncovered 101 outer walls.And keep between the outer cylindrical wall of cylindrical drum seal 115 with cylindrical drum 116, perhaps at least with keeping the sliding contact state around the mode that cylindrical drum 116 axis rotate with cylindrical drum seal 115 between diapire 113 outside surfaces around the meal outlet 107.Subsequently, handle---first end shield, 109 glands and utilize the snapping piece 1154 that is provided with on 1151 outer walls of first termination that first end shield 109 is fixed on 1151 outer walls of first termination of cylindrical drum seal 115.1152 of second terminations of cylindrical drum seal 115 are resisted against on the projection 117 that is arranged on uncovered 102 outer walls tightly.Like this, cylindrical drum seal 115 is located on cylindrical drum 116 axial α.When first end shield 109 rotates, cylindrical drum seal 115 forms rotation thereupon, in this rotation process, the window 1153 that is provided with on the seal 115 can form the state that aligns or stagger with meal outlet 107, and this state of the positive good utilisation of carbon dust tube A is realized the carbon dust of laser printer is supplied with.First end shield, 109 glands on 1151 outer walls of first termination after, in its gap portions, the part of first transmission gear 108 is exposed out.This exposed part of first transmission gear 108 becomes the stressed part of the rotary torque of accepting the laser printer generation, can finish the moment of torsion transmission after its respective gears butt joint with laser printer.

At the end of powder-storage bin cylindrical drum 116 corresponding to second end cap 106, second transmission gear 114 is fixed in the side of second driving head 305 back to powder-storage bin 1 inner chamber, keep second driving head 305, second transmission gear 114 and back shaft 301 threes coaxial simultaneously.Be inserted in uncovered 102 and keep both to be under the relatively-stationary state at second end cap 106, second driving head 305, second transmission gear 114 and back shaft 301 threes keep the state that can rotate synchronously with respect to second end cap 106.Second transmission gear 114 is similar to first driving head 304, first transmission gear 108 with the connected mode between second driving head 305, also adopt common non-circular axle head and corresponding non-circular bearing hole butt joint form, can accept the rotary torque that transmits by second driving head 305 reposefully as long as satisfy second transmission gear 114.After second transmission gear 114 is fixed, the 3rd transmission gear 110 and powder feeding mechanism 111 are rotatably assigned into the side of second end cap 106 back to powder-storage bin 1 inner chamber respectively, keep second transmission gear 114 simultaneously, the formation part of the 3rd transmission gear 110 and powder feeding mechanism 111---the 4th transmission gear 1113, the three is in the state of engagement one by one, the rotary torque that second driving head 305 is transmitted passes to the 3rd transmission gear 110 successively step by step through second transmission gear 114, the 4th transmission gear 1113, powder feeding mechanism 111 being formed rotatablely moves, make the formation part that is fixed on powder feeding mechanism 111---the coil spring 1112 on the transmission shaft 1111 produces and rotatablely moves.When second transmission gear 114, the 3rd transmission gear 110, powder feeding mechanism 111 are fixed, locking plate 112 is plugged in the lockhole 1061 that is provided with on second end cap 106.Locking plate 112 is provided with the transmitter shaft 1121 that its axis is parallel to back shaft 301.Under locking plate 112 cooperatively interacts with lockhole 1061, allow transmitter shaft 1121 to do the interior rotation of predetermined angular range.

Fixed after second transmission gear 114, the 3rd transmission gear 110, powder feeding mechanism 111 and the locking plate 112, storehouse lid 113 fixedly has been plugged on second end cap 106.After storehouse lid 113 is fixed on second end cap 106, second transmission gear 114, the 3rd transmission gear 110, powder feeding mechanism the 4th transmission gear 1113 and locking plate 112 4 are clamped in the interlayer cavity that is formed by storehouse lid 113 and second end cap 106, simultaneously, the transmitter shaft 1121 of the formation part of powder feeding mechanism 111---transmission shaft 1111 and coil spring 1112 and locking plate 112, the three passes the storehouse respectively and covers 113 outsides.At this state, 113 pairs second end caps of storehouse lid 106 produce the insulating effect of closure, even escape is come out, enter in the interlayer cavity that forms by storehouse lid 113 and second end cap 106, also can be covered 113 and seal by the storehouse.On the other hand, after finishing above-mentioned spare and accessory parts installation, waste powder hopper 2 being nested on second end cap 106 regularly, and making the formation part of storehouse lid 113, powder feeding mechanism 111---the transmitter shaft 1121, four of transmission shaft 1111 and coil spring 1112 and locking plate 112 is included within it simultaneously.At last, the enter the mouth switch 202 of 201 on off states of the useless powder of control waste powder hopper 2 is inserted in the inner chamber of waste powder hopper 2 by useless powder inlet 201, making transmitter shaft 1121 butt joints of its support bar 2021 with locking plate 112, is the control to switch 202 rotational angles to realize the predetermined conversion of motion of locking plate 112 in lockhole 1061.The switch control of 202 pairs of useless powder inlets 201 of switch is to realize by the useless powder control of export button that is installed on the laser printer.On the outer wall of waste powder hopper 2, also be provided with or be equipped with integrated circuit (IC) chip 5.Store carbon dust kind, specification, color, valid period in the integrated circuit (IC) chip 5, be suitable for type, production firm or the like information.

Claims (2)

1. the carbon dust tube that is used for laser printer, comprise and be used to store carbon dust and it is supplied to the powder-storage bin of developer roll, be used to store up the waste powder hopper and the handle that is used to control carbon dust turnover state in the described powder-storage bin of the remaining carbon dust that produces by photosensitive drums, the described carbon dust wound packages of described powder-storage bin is gone under the state of described laser printer and is provided with along being parallel to the meal outlet that described developer roll central axis direction is extended in its diapire that is parallel to developer roll, seal one end is fixed on the described handle and the opposite end is supported on the end wall of described powder-storage bin position with respect to described handle slidably, described seal is provided with the connected entrance with described meal outlet correspondence, the face shaping that it is characterized in that described powder-storage bin and described seal all is cylindrical drum, described seal sleeve is on described powder-storage bin outer cylindrical wall, and described seal is with keeping the sliding contact state around the mode that described handle axis rotates with described seal between the described diapire outside surface around the described meal outlet.

2. according to the described carbon dust tube that is used for laser printer of claim 1, it is characterized in that also comprising the puddle support that is arranged in the described powder-storage bin inner chamber, the spring leaf that is fixed on the described puddle support is rendered as camber line with described powder-storage bin inner chamber corresponding to the formed osculatory of chamber wall of described diapire along described puddle support outward flange radially, described camber line has following form when the rotation of described puddle support: described camber line corresponding to the part in described spring leaf stage casing on described puddle support sense of rotation with described powder-storage bin inner chamber corresponding to the formed contact of chamber wall of described diapire lag behind described camber line corresponding to the part at described spring leaf two ends with of the chamber wall formed contact of described powder-storage bin inner chamber corresponding to described diapire, described meal outlet along described stirring framing shaft to the position corresponding to the stage casing in the same way of described spring leaf partly.

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