CN1010182B - Improved disc pulverizer - Google Patents

Abstract

The present invention relates to an improvement of a circular disk type grinder, which comprises a circular disk and a bowl type grinding machine head for small stone. The bowl is provided with a shaped inner corner and is correspondingly shaped on the circular disk, so the circular disk covers on addition materials in the bowl and is helpful to be crushed. The circular disk can be deviated from a central hole, and the bowl is provided with a wearproof hard lining.

Description

Improved disc pulverizer

The invention relates to that the disc type grinder improves, the particularly relevant improvement of used head on the disc type grinder.

Grind head and have an alms bowl bowl usually, endless loop is arranged in it, the entity cylinder is arranged in endless loop, the two all is movable in the alms bowl bowl, when ore or building stones being put into the alms bowl bowl can grind or during grinding, cover cap on the alms bowl bowl, is placed on the alms bowl bowl on the bobbing machine then and makes its vibration, crushed and wear into fine particle between circular cylinder and alms bowl bowl by abrasive material like this.

Yet it is very little to have endless loop and cylindrical grinding head existing problems and be the abrasive material size that this device handles, and puts the grinding head into as too big abrasive material, and circle and cylinder just can block can not produce motion with respect to the alms bowl bowl, so can not grind.Just this ring and cylindrical grinder can not effectively grind big abrasive material, often are able to abrasive material and do to become to suit flour mill grinding size at first by a small-sized plate crusher.

The objective of the invention is to propose a kind of flour mill or grind head, it will overcome at least above-mentioned in some problem, when filler, can accept the abrasive material of larger size range and big filler and can not clog or block.

Can see that this pattern grinding or grinder have the motor platform of suitable vibration and its and go up a grinding alms bowl bowl and pushed down and make oscillating movement.This piece specification speak of grinder alms bowl bowl or head especially and in the alms bowl bowl disk profile, therefore can know that term " head " or " grinding head " are used in this, be meant corresponding to being pressed in the sort of form alms bowl bowl and shaking platform on the dish.In this manual the speech of using " is dosed material " and be meant and put abrasive material into or other material promptly prepares to grind to form more finely ground particle substance.

Also with noticing that the present invention also is relevant laboratory with large-size abrasive material, use the building stones grinding head, it is difficult for being thrown off by shaking platform, therefore can be permanently fixed thereon.Available in this case proper method tightly covers cover on the alms bowl bowl.

Grinding head of the present invention, comprise: the alms bowl bowl, sand disc in cover cap and the alms bowl bowl, the alms bowl bowl have one cylindrical basically and between portion side and the inner bottom surface special-shaped surfaces is arranged within it, described disk is the filled circles shape and moves freely in described alms bowl bowl, and described disk has the coefficient corresponding profiled edge of special-shaped surfaces that is fit to the alms bowl bowl at it on than low edge.

Also will see by the present invention and propose a kind of small-sized grinding head, wherein disk not only can vibrate and along orbit ring around the alms bowl bowl in dosing the material grating, and along with disk upper inclined surface and the acting in conjunction of alms bowl bowl body inclined surface, disk can float over one and dose on the material in the alms bowl bowl, disk weight is together with its vibration and the circulatory motion relatively large material of crushing, even the more bulk material of its chance, disk will can not be plugged, because it can cover material and help dosing the material crushing.

In a desirable embodiment, special-shaped surfaces be included in the medial surface of alms bowl bowl and the straight oblique angle between inner bottom surface and on disk corresponding special-shaped limit have always oblique angle.

In desirable embodiment of the present invention, disk also has at least and passes the aperture of disk on the cylinder axis direction.

The perhaps many apertures of such aperture can be circular, and diameter is 15% to 40% of a disk diameter.

Find to add on the disk aperture and helped grinding operation, because disk circulatory motion and swing, make dosing material and can ceaselessly be produced the action of a kind of " pump " pattern and replace below abrasive material or the disk, ground sample to move up by aperture by the disk circulatory motion.

Aperture can be circular and also can be tapered to lower surface by the disk top surface in the ideal form.

But this aperture stray circle disk center.

The disk bottom surface also can have atomic fine taper.

Because this taper external form, the disk limit covers the angled surface of alms bowl bowl one side, and a part will almost be parallel to the alms bowl bowl surface and have a fine lapping surface at the bottom of the disk then.

Among the even more ideal embodiment in the alms bowl bowl angled surface and alms bowl bowl planar base surface angulation be 20 ° to 35 °.

Similarly, 20 ° to 35 ° of angles between oblique straight flange of disk and disk bottom surface.

In the present invention's one desirable embodiment in the alms bowl bowl angled surface form by two sloping portions, a face portion and an exterior portion in one, interior face portion and baseplane angulation are less than exterior portion and bottom surface angulation.

The alms bowl bowl also has an outside shell and an interior lining, and liner is to be done by the high-abrasive material harder than outer shell.

Can make the alms bowl bowl main body that has replaceable lining in relatively economical ground in this way, can replace when occurring with wearing and tearing in the convenient alms bowl bowl.

Also have the classification step on the upper limb of disk, this classification step vibrate in the alms bowl bowl and during circulatory motion when disk, the relatively large material of intercepting and capturing and help to pulverize than building stones greatly between alms bowl bowl edge seamed edge and side.

Disk diameter can be 70% to 90% of an alms bowl bowl internal diameter.

It has the building stones grinding head that obtains with the present invention relative simple structure but can effectively grind on the inclined plane.

Yet help to understand the present invention for clearer, represented comparatively desirable inventive embodiments with reference to the accompanying drawings.

Fig. 1 represents the transverse cross-sectional view of a building stones grinder of the present invention embodiment.

Fig. 2 represent the another kind of form embodiment of building stones grinder of the present invention transverse cross-sectional view.

Fig. 3 represents the side view of disk of the present invention.

Fig. 4 represents the alms bowl bowl interior angle of one embodiment of the invention.

Fig. 5 represents the another kind of form of the alms bowl bowl interior angle of one embodiment of the invention.

Fig. 6 represents the component parts exploded view of an embodiment of building stones grinder of the present invention.

Fig. 7 represents the disk perspective view of an embodiment of grinder of the present invention.

Fig. 8 represents to be fit to the small stones grinder part sectional drawing that building stones fixedly of the present invention grind an embodiment of head.

Fig. 9 represents the another kind of embodiment of the present invention, and wherein the end is that curved surface shaped and disk also are curved surface shaped correspondingly in the alms bowl bowl circumference.

Now examine these figure, especially relevant small stones grinder embodiment of the present invention can see that head comprises alms bowl bowl 1 and cover cap 2 and the dish in the alms bowl bowl 3, and alms bowl bowl 1 includes case 4 and the sealing shroud 6 with lining 5.Bolt 7 makes lining 5 be fixed on case 4 bottoms.Any known method that makes things convenient for of sealing shroud 6 usefulness is fixed on the case.

Lining 5 has an interior angle between inner bottom surface 9 and inner side 10.Inclined plane 8 is the whole diameter of continued circling in the alms bowl bowl.

Disk 3 has corresponding inclined plane in disk bottom surface 12 and disk side 13.When can see disk work in Fig. 1 left side the time, cover on inclined plane 8, under the disk space 14 can appear like this and concentrate on this regional abrasive material when this disk vibration, can grind pulverizing.

Disk 3 also comprises a step limit 15, and it helps relatively large building stones sample to pulverize.

Cover cap 2 has a sealing zero type circle 16 between cover cap and sealing shroud 6, dust can not run out by head when grinding like this.

Fig. 2 represents the another kind of embodiment of small stones grinder of the present invention, and alms bowl bowl 20 is made up of a monoblock steel or other suitable materials in this embodiment.The inner surface that the alms bowl bowl tilts form by internal layer 21 and outer 22 and in the alms bowl bowl along the circumferential length continued circling.Two dipping beds help to make on the disk to alms bowl bowl inclined plane.

Disk 23 is in the cylinder axis direction of dish in this embodiment, but stray circle axis of a cylinder has the taper hole and the hole wall diameter that pass disk and is tapered on the low surface of disk than minor diameter than major diameter by the disk top surface.

During the work of present embodiment building stones grinder, the filled hole 24 meetings " pumping over " of passing through of squeezing space 25 under disk is to the disk top, and new like this sample can take under the disk, and it is reinforced to make the grinding function continuous-flow occur.

Grind in the sample operation at some, sample also may fall grinding ongoing disk lower area 25 by the hole.

Between surface 26 and 27, this disk closely contacts with the alms bowl bowl, and therefore the same with surperficial 28 joints, sample will grind very carefully.

Note Fig. 3 now, it represents disk one embodiment of the present invention, can see, disk 30 has by the basal plane 31 of standard level basal plane to the circular cone a little of about 3 degree of conical angle.Inclined side 32 causes the angle of about 30 degree of disk basal surface.

Disk excircle 33 constitutes about 3 degree angles with disk imagination vertical side, when working like this when the little awl basal plane of disk is horizontal, each side of disk and each parallel sided of alms bowl bowl.

As can be seen in Figure 4, its expression alms bowl bowl one embodiment inner surface profile, inclined plane 41 makes alms bowl bowl 40 basal planes have 30 ° of angles or has hexagonal angle with alms bowl bowl side.

In another embodiment of the present invention shown in Figure 5, inclined surface has the interior angled section 46 of an inclination angle 20 degree and the outer incline district 47 of an inclination angle 30 degree between alms bowl bowl 44 basal planes and alms bowl bowl 45 basal planes.

Will be understood that these given angles only are for example, also have variation in them.

Now note Fig. 6, can see that small stones of the present invention grinds head and comprises an alms bowl bowl 50, disk 51 and cover cap 52.Cover cap 52 comprises recess 53, when the in running order hold down gag of head embeds wherein.Disk 51 has an eccentric orfice 54 and step limit 55, pulverizes to help relatively large sample.Alms bowl bowl 50 has inclined surface 56 between medial surface 57 and basal plane 58.

As shown in Figure 7, disk comprises step limit 55 and is running through disk hole 54 with the disc centre deviation position.

Now note Fig. 8, its expression the present invention one small stones grinder, this device comprises a base 60, supports a headstock 63 by spring 61 and 62 on it.Headstock 63 comprises pneumatic hold down gag 64, compresses small stones and grind head 65 between pneumatic hold down gag 64 and frame 63.

Motor 66 is suspended on frame 63 and the bar 67, and the suspention motor support has very big eccentric weight 70 on bar 67 between bearing 68 and 69 on bearing 68 and 69.

When motor 66 rotating eccentricity weight, because motor is contained on the frame 63, whole unit produces vibration on spring 61 and 62, head is vibrated and circular motion makes in head disk generation circular motion pulverize and grind sample.

When grinding work was finished, pneumatic hold down gag 64 was thrown off, and in order to dispose filled, head 65 can be by breaking away from the grinder.

Fig. 9 is another embodiment of grinding head of the present invention, wherein express alms bowl bowl 80 flat 82 and side 83 between the internal circular surfaces 81 of a curved surface is arranged.Disk 84 has a corresponding surface lower limb 85, thereby the knee makes disk cover on face quickening crushing operation on the material again and again.

Generally speaking, can think and the invention provides a kind of grinder or grinding head, it has very big lapped face in disk side and bottom, disk produces fine stirring action, when disk rotation or moving, this stirring action will occur, and sample is brought to disk border and forces are applied under disk thereupon.In comprising the disk embodiment in a hole, sample will finally break away from away by eyelet.Not having sample when this continuously stirs action is blocked in the aperture and is not ground.The step of disk top edge point can make relatively large building stones pulverize, and in dish type and annular abrasion machine, these building stones generally can just be in the top of disk or ring.

Alms bowl bowl and disk bottom are such, can make itself and prism, and the bottom is in the contact, with the very big lapped face that obtains, and as have the hole, its position is not on alms bowl bowl center, so that all lower surface can be used in the grinding.

Just as previously discussed, this alms bowl bowl has a single structure and is done by a kind of steel, and it can carry out available heat and handles after production and processing, make it stone, or has lining that can broken hard steel and have the case and the sealing shroud of cheap a little steel.

Claims (14)

1, a kind of small stones grinds head, comprise: the alms bowl bowl, sand disc in cover cap and the alms bowl bowl, the alms bowl bowl have one cylindrical basically and between portion side and the inner bottom surface special-shaped surfaces is arranged within it, it is characterized in that: described disk is solid cylindrical shape and moves freely in described alms bowl bowl, and described disk has the coefficient corresponding profiled edge of special-shaped surfaces that is fit to the alms bowl bowl at it on than low edge.

2, small stones as claimed in claim 1 grinds head, it is characterized by that special-shaped surfaces has curved surface and corresponding special-shaped edge has the curved surface edge.

3, small stones as claimed in claim 1 grinds head, it is characterized by special-shaped surfaces and have straight inclined-plane between alms bowl bowl medial surface and inner bottom surface, and on the special-shaped edge of corresponding disk an inclined-plane is arranged.

4, small stones as claimed in claim 1 grinds head, it is characterized by disk have at least one at cylinder axis to the hole of passing.

5, small stones as claimed in claim 4 grinds head, and to it is characterized by this hole or each hole be circular and have diameter is disk diameter 15% to 40%.

6, small stones as claimed in claim 4 grinds head, and it is circular it is characterized by this hole or each hole, and is reduced gradually by disc surfaces top to disk bottom.

7, small stones as claimed in claim 4 grinds head, and it is characterized by the hole is to depart from garden disk center.

8, small stones as claimed in claim 1 grinds head, it is characterized by the disk bottom surface and has very little taper shape.

9, small stones as claimed in claim 3 grinds head, it is characterized by 20 ° to 35 ° angles of planar base surface formation to the alms bowl bowl, oblique angle straight in the alms bowl bowl.

10, small stones as claimed in claim 1 grinds head, it is characterized by disk and has angle that the end of inclined plane it and disk forms by 20 ° to 35 ° angles at its lower edge.

11, small stones as claimed in claim 1 grinds head, it is characterized by in the alms bowl bowl inclined surface and is made up of two sloping portions, and part becomes with an external packet in one, interior part for the flat bottom angle less than outward partly to the flat bottom angle.

12, small stones as claimed in claim 1 grinds head, it is characterized by the alms bowl bowl and comprises an outer casing and an inside liner, and inside liner has the high-abrasive material harder than shell.

13, small stones as claimed in claim 1 grinds head, it is characterized by disk and further includes the stepwise shoulder of appearing on the stage at the edge.

14, small stones grinder as claimed in claim 1, it is characterized by disk diameter is 70% to 90% of alms bowl bowl internal diameter.

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