CN103301914B

CN103301914B - Two-way rotation grinding device

Info

Publication number: CN103301914B
Application number: CN201310234724.8A
Authority: CN
Inventors: 叶德坚
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-04
Filing date: 2013-06-04
Publication date: 2015-06-10
Anticipated expiration: 2033-06-04
Also published as: CN103301914A

Abstract

The invention discloses a two-way rotation grinding device and relates to the field of grinding of grinding powder and grinding slurry. The two-way rotation grinding device comprises a material fixing frame, a knife wheel A, a knife wheel B and a stationary grinding sheet, which are sequentially arranged in a material channel. The grain size of the ground material which is discharged can be controlled by regulating a material discharging clearance.

Description

The reducing mechanism of bidirectional rotation

Technical field

The present invention relates to the pulverizing field of abrasive dust and defibrination.

Background technology

Pulverizer field should include boulder crusher, intermediate crusher, atomizer mill, varied product of multiple rank such as ultra-fine grinding mill, the general object reaching pulverizer with high-speed impact material form, that large-sized solid material is crushed to the machinery requiring size, at present, can deserve to be called a feast for the eyes in these known pulverizer class application technologies, ten thousand circumstances of contending, can have that transcendent property able one is known colloid mill in the technical field wherein pulverized in ultra micro level, the equipment such as homogenizer, wherein colloid mill is a kind of Ultra-Micro Grinding Equipment grinding colloid or approximate colloid material, progressively being familiar with by people and having had is to regard as in food industry the most preferably processing mechanical apparatus, it can have various mixer, pulverizer, the mechanical performance of fiberizer, closed continuous seepage can be realized, colloid mill also can be used for carrying out homogeneous to material, though the effect of refinement is also not as good as homogenizer, but be not equal all materials all necessarily to require to reach to being refined as promising result the most yet, and though the advantage that homogenizer can have is exactly can relative to the material that technically can obtain more fine grain of colloid mill, but where necessary, homogenizer also needs to adopt colloid mill etc. or other disintegrating apparatus to carry out preorder and pulverizes homogenizer could be adopted to carry out homogeneous before carrying out homogeneous to material, it can thus be appreciated that, homogenizer also and may not be certain be applicable to homogeneous is carried out to the material with greater particle size.

In numerous multiple pulverizer class technology, also the products such as fiberizer should be comprised, they generally all can have a common feature, it is exactly single direction rotation, and colloid mill, the technology such as homogenizer also can generally be listed in the common feature described in this, colloid mill, homogenizer structure is exactly generally utilize the rotor (movable grinding disc) rotated to roll the gap of express material between stator (static cutting disk) realizes to it, collision, friction, the crushing effect of shearing etc., but the rotor of one-directional rotation generally just can only utilize its flank of tooth to produce the effect of releasing pulverizing centrifugal for material, its flank of tooth maybe can only be utilized to produce crushing effect material being involved in axis direction, both effective effects but can not get both simultaneously, therefore, such feature in crushing technology application producible negative can be known with reference to the reflux cycle device of colloid mill to fluid crushing material: such as, " some colloid mill products are in order to reach desirable homogenizing effect, material generally will grind several times, this just needs reflux cycle device, the reflux cycle device adopted is generally install a dishful of valve on discharge nozzle, slightly pipe the last period of dish valve separately connects a pipe and leads to feeding mouth, when needs repeatedly circular grinding time, close dish valve, material then can reflux repeatedly, when grinding material is to when reaching requirement, open dish valve just to obtain the material finally wanted ", in addition, separately report according to some the argument pointed out: " domestic small-sized colloid mill is often because of underpower, poor sealing performance and produce can not long time continuous working ", and this argument crushing technology that Who is right and who is wrong can adopt according to following small household appliances soy bean milk making machine just can do further confirmation.

In the crushing technology field of small household appliances soy bean milk making machine, its breaking-edge lamps structure generally adopts wind laminated blade, blade is arranged in a cup-like containers, the angle of inclination that during motor-driven wind laminated blade, its blade has and the high rotating speed of dependence can produce a kind of whirlpool from top to bottom to the beans material containing certain moisture in cup-like containers, the flowing drag produced in the whirlpool of material from top to bottom, blade is able to smash material at a high speed, to obtain food such as finally wanting soya-bean milk class, though information does not have report to point out to there is the not enough problem of power of motor in this technical field, but material energy cup-like containers interior generation whirlpool, in this container, space at least should be greater than the total each product of container contents and doubly can produce cyclonic effect, if it selects motor speed at a slow speed, obtain and to be clashed into by cutlery and the uniformity of broken material is poorer, in the middle of, also there is some to use not meet its thickness that produces without net class small household appliances soy bean milk making machine product person and to differ soya-bean milk mouthfeel, also need separately to adopt filter screen every slag mode in the hope of obtaining better smooth mouthfeel soya-bean milk, and having in net type small household appliances soy bean milk making machine product technology, guard is established in the periphery of its blade, storage slurry container is set in the periphery of guard again, if its guard volume is equal with the volume that container is starched in storage, its bean dregs may be also more than soya-bean milk, though reason is the design of wind laminated blade can be had and make slurry produce whirlpool function from top to bottom, but can not have and whole beans material is discharged the outer function of guard completely, when stopping cutting blade, or one whole can be remained can not discharge completely for hiding recrement in guard chamber that whole beans material establish, these recrements are not single only can cause the waste on food material, also user is allowed to feel bothersome on these recrements of cleaning.

Wherein known patent document ZL201010019254.X " reducing mechanism of bidirectional rotation " and ZL201110042696.0 " reducing mechanism of bidirectional rotation " though two technology provide one and have and machine exteenal reflux EGR can not be set just feed back can be pulverized, can produce larger material and progressively shear or grind, gear reduction is amplified moment of torsion and is increased shearing force, double-pole flywheel knife groove inclined-plane binder is utilized to pulverize the feature of rotating speed speed not impact effect etc., can be the stator utilizing V-type relative to products such as colloid mills, rotor tooth is in the face of size material is to press at a high speed the structure of mill comprehensively, can have and reduce motor load to a certain extent, require the applicable smaller power motor-driven of working environment product that comminuting matter deal is few, both application small household appliances field product had been applicable to, also the requirement advantage of the non-stop run being applicable to industry is possessed, but blemish in an otherwise perfect thing is that the exhaust end that all coexists have employed porous dictyosome or porous sieve, and the aperture of existing known screen distance or sieve is the product that yet there are no any adjustment aperture of Wen Youke, even have screen cloth or the sieve product of any adjustment aperture, also the configuration of screen cloth or sieve can be made to increase, therefore, according to the product of these two technical scheme compositions, wish will obtain multiple different-grain diameter finished product materials, just need the filter screen or the sieve that are equipped with multiple different size, it finally will cause the pulverizer formed to configure too much, increase manufacturing cost.

Summary of the invention

Content of the present invention does not have the employing mentioned to regulate the clearance distance between quiet abrasive disc and material channel in the hope of converting the scheme of comminuting matter granule size in content known patent document ZL201010019254.X " reducing mechanism of bidirectional rotation " and ZL201110042696.0 " reducing mechanism of bidirectional rotation ", relative to these two patent documents reveal that the effect of the scheme institute tool progressive of employing " to change the size that sieve or screen cloth mode then can convert crushed material granularity " is exactly: solve and need separately to be equipped with the sieve of multiple different size or screen cloth outward to reach the large or little technical problem of conversion crushed material granularity with machine, create and realize just regulating with configuration in machine a kind of beneficial effect that comminuting matter particle diameter is large or little.

Described content approach of the present invention is achieved in that each described device of background technology ZL201010019254.X " reducing mechanism of bidirectional rotation " and ZL201110042696.0 " reducing mechanism of bidirectional rotation " is all sieve or the screen cloth of porous at the building block of one end employing in break bar B discharge comminuting matter direction, and the device described in content of the present invention be break bar B discharge the one end in comminuting matter direction do not advise that body adopts can by the porous sieve of material or screen cloth, replace thus be exactly use can relative to the quiet abrasive disc of adjustable clearance distance between the pan feeding passage of pulverizer.

The reducing mechanism of the bidirectional rotation described in content of the present invention refer to set gradually from material channel determine bin, break bar A, break bar B and quiet abrasive disc four element.

Wherein, described bin of determining installs one end that break bar A enters comminuting matter, be be used in the side of installing break bar A locality with according to break bar A direction of rotation in front to side form entity angle, the angle angle of composition is selected arbitrarily between 0 to 180 degree, form entity angle and should have and have at least one end to be fixed in material channel, this entity angle is used for auxiliary break bar A and shears or milling action material.

Wherein, described break bar A, break bar B are the rotors (movable grinding disc) for comminuting matter, rotate with mutually converse direction, the center of break bar A, break bar B is the position for arranging interior axle or outer shaft, is the cutter groove for the manufacture of the inclination with 2 kinds of incline directions beyond the position of interior axle or outer shaft to the position between its periphery.

Wherein, the inclination cutter groove of 2 kinds of incline directions that described break bar A has: cutter groove incline direction 1, refer to have at least a side to be the face manufacturing inclination in cutter groove, according to break bar A direction of rotation in cutter groove, wherein in the wings to laterally inclined after can form acute angle with the side at the break bar A installing the locality determining bin, can with at the composition obtuse angle, side of break bar A installing break bar B locality, cutter groove incline direction 2, refer to and to manufacture together with cutter groove incline direction 1, utilize the end positions of the cutter groove extended outside from center in break bar A, wherein get and make rotation center near cutter groove one end of center, the other end getting cutter groove is to the front of break bar A direction of rotation in rotary moving, the cutter groove of the inclination with incline direction 2 is made by the tilt position after in rotary moving,

Wherein, the inclination cutter groove of 2 kinds of incline directions that described break bar B has: cutter groove incline direction 1, refer to have at least a side to be the face manufacturing inclination in cutter groove, according to break bar B direction of rotation in cutter groove, wherein in the wings to laterally inclined after can form acute angle with the side at the break bar B installing break bar A locality, can with at the composition obtuse angle, side of break bar B installing static cutting disk locality, cutter groove incline direction 2, refer to and to manufacture together with cutter groove incline direction 1, utilize the end positions of the cutter groove extended outside from center in break bar B, wherein get and make rotation center near cutter groove one end of center, the other end getting cutter groove is to the rear of break bar B direction of rotation in rotary moving, the cutter groove with incline direction 2 is made by the tilt position after in rotary moving.

Wherein, described quiet abrasive disc is mounted in one end that break bar B discharges comminuting matter direction, to form relative to thing passage with quiet abrasive disc and have the blowdown gap of adjustable distance, the particle diameter regulating the distance in this blowdown gap then can reach to control to discharge comminuting matter is large or little.

Accompanying drawing explanation

Fig. 1, it is a sectional side view of pulverizer in the embodiment of the present invention, the indication place that goes between in figure is: feed intake entrance 1, containing the material channel 2 determining bin element, break bar A3, break bar B4, containing the gap 5 of determining between the material channel 2 of bin element and quiet abrasive disc 6, quiet abrasive disc 6, spring leaf 7, the base 8 of quiet abrasive disc and bearing is installed, bolt 9-A, the pressure ring 10 of sealing ring, bearing 11, interior axle 12, sealing ring 13, sealing ring 14, cylinder roller bearing 15, bolt 9-B, for the discharging opening 16 of defibrination, jump ring 17-2, support the support 18 of pulverizer entirety, for the discharging opening 19 of abrasive dust, electrothermal tube 20, material channel 21, pulverizer housing 22, the support 23 of external tooth wheels and motor, the central shaft 24 of external tooth wheels, external gear 25, external gear 26, external gear 27, external gear 28, external gear 29, internal gear 30, motor 31, with internal tooth wheel seat be harmonious and outer shaft 32, bearing 33, sealing ring 34.

Fig. 2, be the subelement disassembly diagram in Fig. 1 embodiment, the indication place that goes between in figure is: material channel 21, containing determining the material channel 2 of bin element, break bar A3, break bar B4, quiet abrasive disc 6, spring leaf 7, the base 8 installing quiet abrasive disc and bearing, jump ring 17-2, bolt 9-B, jump ring 17-4, bolt 9-D, bolt 9-C, jump ring 17-3, bolt 9-2, jump ring 17-1.

Detailed description of the invention

Fig. 1 and embodiment illustrated in fig. 2 in break bar A3, break bar B4 bidirectional rotation transmission process be such: wherein, motor 31 reverses with the rotating shaft transmission external gear 29 reversed, reverse external gear 29 transmission external gear 25 and and the central shaft 24 of external tooth wheels, external gear 27, external gear 26 are clockwise together, clockwise external gear 27 transmission internal gear 30, outer shaft 32 also, break bar A3 are clockwise mutually with internal tooth wheel seat; Clockwise external gear 26 transmission external gear 28 and interior axle 11, break bar B4 reverse.

Fig. 1 and embodiment illustrated in fig. 2 in be such to crushing material flow process: material enters in material channel 21 from the entrance 1 that feeds intake, material channel 21 with containing determine bin element material channel 2 phase and communicate, the first effect containing the entity angle of the material channel 2 determining bin element enters for supplies to go in the cutter groove of break bar A3, the rotational of break bar A3 does broken for the first time cutting to material and the entity angle determining bin, and rotate break bar A3 wherein with at its direction of rotation rear to side the centrifugal force of material in groove can be reduced, and cause the direction of material to break bar axle center and the direction extruding of break bar B4, when break bar A3 cutter groove go to communicate with break bar B4 cutter groove time, in break bar A3 groove in material press-in break bar B4 cutter groove, Double-cutter wheel now rotates again just can do broken for the second time cutting to material, and rotate break bar B4 wherein with at its direction of rotation rear to side the centrifugal force of material in groove can be increased, and cause the direction of material to break bar periphery and the direction extruding of quiet abrasive disc 6, and quiet abrasive disc 6 surface in break bar B4 direction just can be done to grind for the third time to rub with the hands to pulverize to material, but material is still subject to the blocking of quiet abrasive disc 6 in groove, material is caused all to extrude to break bar B4 periphery, if wherein have material by quiet abrasive disc 6 and just make qualified material containing gap between the material channel 2 determining bin element, material wherein not by installing gap between the base 8 of quiet abrasive disc and bearing and material channel 2 then passes through at break bar A3, between inside the periphery of break bar B4 and this element 2, gap recycles in break bar A3, carry out continuity in the cutter groove of break bar B4 to repeat to pulverize.

As Fig. 1 and Fig. 2 embodiment the structure that provides be implement the one of this reducing mechanism can preferred horizontal building form, but also can form the composition structure that another is vertical or other is oblique, both may be used for pulverizing dry powder, and also can be used for pulverizing the wet pulp containing certain liq composition.

Break bar A3 is as shown in Figures 1 and 2 clockwise, and break bar A3 for reversing, but also can be set to reverse according to description and accompanying drawing in the scope of claim by break bar B4, is set to clockwise by break bar B4.

The best of this reducing mechanism is implemented the grinding mode of material to be cut mode, each gap of determining between bin, break bar A3, break bar B4, quiet abrasive disc can be set to entirely to press close to mutually, but also can adopt the mode ground, can by be entirely set as certain distance containing the gap of determining between the material channel 2 of bin element, break bar A3, break bar B4, quiet abrasive disc 6 four or gap a certain is arbitrarily set as certain distance.

As contained the material channel 2 determining bin element in Fig. 1 and Fig. 2 embodiment, be auxiliary break bar A3 material is sheared grind essential element, one or more entity angles can be set in this element 2, described entity angle be the side that is used in break bar A3 direction with according to break bar A3 direction of rotation in front to form angle be that 135 degree of structures formed can be preferred in angle side, entity angle should have at least one end to be fixed in this element 2, can set up torus to strengthen the loss prevention ability of entity angle near axle center place.

If the center of break bar A3 in Fig. 1 and Fig. 2 embodiment is installed with internal tooth wheel seat outer shaft 32 mutually also for arranging, entirety or split can be formed with this element 32, how the quantity of break bar A3 cutter groove can also can be lacked, but little segment distance should retained, to manufacture the break bar after cutter groove can also form entirety near outer shaft place, wherein cutter groove incline direction 1, refer in cutter groove according to break bar A3 direction of rotation in the wings to laterally inclined after, with form sharp angle containing the side of material channel 2 locality of determining bin element and can select 45 degree installing, 135 degree can be selected to be good with in composition obtuse angle, the side angle of installing break bar B4 locality, wherein cutter groove incline direction 2, refer to and to manufacture together with cutter groove incline direction 1, utilize the end positions of the cutter groove extended outside from center in break bar A3, wherein get and make rotation center near cutter groove one end of center, the other end getting cutter groove is to the front of break bar A direction of rotation in rotary moving, it is good that gradient after it is in rotary moving can be selected to be greater than 90 degree.

Interior axle 11 is installed for arranging in the center of implementing wherein break bar B4 as Fig. 1 and Fig. 2, entirety or split can be formed with interior axle 11, gear 28, how the quantity of cutter groove can also can be lacked, but little segment distance should retained, to manufacture the break bar after cutter groove can also form entirety near interior axle 11 place, wherein cutter groove incline direction 1, refer in cutter groove according to break bar B4 direction of rotation in the wings to laterally inclined after, with form sharp angle in the side of installing break bar A3 locality and can select 45 degree, 135 degree can be selected to be good with in composition obtuse angle, the side angle of installing quiet abrasive disc 6 locality, the wherein cutter groove incline direction 2 of Double-cutter wheel, refer to and to manufacture together with cutter groove incline direction 1, utilize the end positions of the cutter groove extended outside from center in break bar B4, wherein get and make rotation center near cutter groove one end of center, the other end getting cutter groove is to the rear of break bar B4 direction of rotation in rotary moving, it is good that gradient after it is in rotary moving can be selected to be greater than 90 degree.

The technology of the present invention feature is that the groove that make use of Double-cutter wheel realizes binder shearing with bidirectional rotary type to material, the object that mill is rubbed with the hands, reduce huge pulverizing cavity volume and just can reduce unnecessary raw material cumulative in cavity volume, it is also drain the main performance that raw material cumulative cuts the waste that the inclined-plane binder of Double-cutter wheel groove is sheared, material in material channel affects by ground gravitation, material can be assembled downwards, material channel 21 causes material and enters containing determining in the material channel 2 of bin on the inclined-plane of below, then that the pressure utilizing the inclined-plane binder in conjunction with Double-cutter wheel groove to shear is discharged qualified comminuting matter to reach and reclaims not qualified comminuting matter and incite somebody to action its circulation pulverizing feature more again containing the gap of determining between the material channel 2 of bin and quiet abrasive disc 6, so target gap distance disposablely can be adjusted to just can obtain the comminuting matter effect wanted, the rotating speed speed of Double-cutter wheel can't affect the homogeneous degree grinding rear material, especially in the application of household appliances, the scheme of main application will be the small machines adopted, therefore its power source just can be limited on small machine, but small machine power has technology to limit, this Project Technical can adopt gear-driven mode, utilize the rotating speed of the high rotating speed transmission small diameter gear transformation of scale gear wheel in large diameter ratio of small machine, strengthen Double-cutter wheel to the shearing force of material, it determines bin, break bar A3, break bar B4, and quiet abrasive disc 6 four element at least can be sheared material at twice, once grind the grinding mode of stranding, not easily cause and machine is easily sent a telegraph by card phenomenon to larger material generation over-simplifying the matter.

As the quiet abrasive disc 6 in Fig. 1 and Fig. 2 embodiment, spring leaf 7 and the base 8 installing quiet abrasive disc and bearing are combined external members, but also can be merged into an element, quiet abrasive disc 6 can establish irregular structural plane to rub effect to strengthen with the hands to the mill of material in break bar B4 direction, but also can be set as is plane, the base 8 wherein installing quiet abrasive disc and bearing is provided with bolt 9-A, 9-B, 9-C, 9-D, and jump ring 17-1 is provided with on this four bolt, 17-2, 17-3, 17-4, regulate the base 8 of installing quiet abrasive disc and bearing and containing clearance distance between the material channel 2 determine bin element method exactly: turn bolt 9-A, 9-B, 9-C, 9-D, is wherein provided with corresponding screw internal thread containing the material channel 2 determining bin element and then can causes jump ring 17-1 on this four bolt, 17-2, 17-3, 17-4 drives the base 8 of installing quiet abrasive disc and bearing and spring leaf 7 to two end movements of the rotating shaft heart, therefore mutually and together quiet abrasive disc 6, spring leaf 7 and the base 8 installing quiet abrasive disc and bearing just can form the blowdown gap with adjustable distance relative to the material channel 2 containing frame element, regulate the distance in this blowdown gap then can reach the particle diameter of control discharge comminuting matter large or little.

If the quiet abrasive disc 6 in Fig. 1 and Fig. 2 embodiment is the elements also closed with base 8 phase of installing quiet abrasive disc and bearing, quiet abrasive disc 6 be can on the base 8 installing quiet abrasive disc and bearing to rotating shaft heart direction of both ends slide, the outer peripheral face of quiet abrasive disc 6 can be allowed to be provided with the corresponding track slided to rotating shaft heart two ends to the inner peripheral surface of base 8 people installing quiet abrasive disc and bearing, prevent the rotation of Double-cutter wheel from driving element 6 corotation so that damaging body, quiet abrasive disc 6, and be provided with spring leaf 7 between the base 8 installing quiet abrasive disc and bearing, object allows when defibrination, spring leaf 7 can cause when gap between the base 8 of quiet abrasive disc and bearing and quiet abrasive disc 6 is installed in adjustment, allow quiet abrasive disc 6 and containing the state keeping during clearance distance between the material channel 2 determining bin element pressing close to, to reduce the loss of material when not needing discharge in material channel and in cutter groove, until Double-cutter wheel when taking turns running, material is subject to the inclined-plane extruding of break bar B4 cutter groove, compel quiet abrasive disc 6 to the direction displacement of base 8 of installing quiet abrasive disc and bearing, vacate space, so that allow by the quiet abrasive disc of installation and bearing base 8 and containing the material between the material channel 2 determining bin betwixt gap discharge, or allow material at break bar A3, the periphery of break bar B4 and recycle in break bar A3 containing gap between inside the material channel 2 determining bin, carry out continuity in the cutter groove of break bar B4 to repeat to pulverize, but at quiet abrasive disc 6 be and install and to be provided with spring leaf 7 between the base 8 of quiet abrasive disc and bearing and to be and non-essential, spring leaf 7 is not established to be that those skilled in the art can separately be set to pulverizer composition proposal equivalent and feasible mutually according to description yet.

Content of the present invention is not limited to the embodiment shown in Fig. 1, Fig. 2, can convert according to description and accompanying drawing in right by phase equivalent technologies.

Claims

1. the reducing mechanism of a bidirectional rotation, refer to set gradually from material channel determine bin, break bar A, break bar B and quiet abrasive disc, energy regulates the particle diameter of the distance controlling in blowdown gap discharge comminuting matter large or little, feature is: wherein, determining bin is install one end that break bar A enters comminuting matter, be be used in install break bar A locality determine bin side with according to break bar A direction of rotation in front to bin side of determining form entity angle, the angle angle of composition is selected between 0 to 180 degree, form entity angle and should have and have at least one end to be fixed in material channel, wherein, break bar A, break bar B rotate with mutually converse direction, the center of break bar A, break bar B is respectively for arranging the position of interior axle or outer shaft, is the cutter groove for the manufacture of the inclination with 2 kinds of incline directions beyond the position of interior axle or outer shaft to the position between its periphery,

Wherein, the inclination cutter groove of 2 kinds of incline directions that break bar A has: cutter groove incline direction 1, refer to have at least a side to be the face manufacturing inclination in cutter groove, according to break bar A direction of rotation in cutter groove, wherein in the wings to laterally inclined after can form acute angle with the side at the break bar A installing the locality determining bin, can with at the composition obtuse angle, side of break bar A installing break bar B locality, cutter groove incline direction 2, refer to and to manufacture together with cutter groove incline direction 1, utilize the end positions of the cutter groove extended outside from center in break bar A, wherein get and make rotation center near cutter groove one end of center, the other end getting cutter groove is to the front of break bar A direction of rotation in rotary moving, the cutter groove of the inclination with incline direction 2 is made by the tilt position after in rotary moving,

Wherein, the inclination cutter groove of 2 kinds of incline directions that break bar B has: cutter groove incline direction 1, refer to have at least a side to be the face manufacturing inclination in cutter groove, according to break bar B direction of rotation in cutter groove, wherein in the wings to laterally inclined after can form acute angle with the side at the break bar B installing break bar A locality, can with at the composition obtuse angle, side of break bar B installing static cutting disk locality, cutter groove incline direction 2, refer to and to manufacture together with cutter groove incline direction 1, utilize the end positions of the cutter groove extended outside from center in break bar B, wherein get and make rotation center near cutter groove one end of center, the other end getting cutter groove is to the rear of break bar B direction of rotation in rotary moving, the cutter groove with incline direction 2 is made by the tilt position after in rotary moving,

Wherein, quiet abrasive disc is mounted in one end that break bar B discharges comminuting matter direction, forms the blowdown gap with adjustable distance with quiet abrasive disc relative to thing passage, regulates the distance in this blowdown gap large or little to reach the particle diameter controlling to discharge comminuting matter.