KR20100053427A

KR20100053427A - Powdering machine with a particle sorting part

Info

Publication number: KR20100053427A
Application number: KR1020090073824A
Authority: KR
Inventors: 강석진
Original assignee: 강석진
Priority date: 2008-11-11
Filing date: 2009-08-11
Publication date: 2010-05-20

Abstract

The present invention relates to a pulverizer having a particle sorting unit, and more particularly, a taper pipe having a small inner diameter on the blower side is provided between a crusher unit of a pulverizer for crushing grains and a blower for discharging pulverized particles. Inside the tapered pipe, a particle sorting unit is installed with an inclined impeller suitable for the shape of the inner space of the tapered pipe.The outer side of the pulverizer unit is opened so that the entire cutter is exposed to the outside, and then a door is installed on the outer surface. Thus, the particles pulverized in the pulverizer unit come back into the pulverizer unit while repeatedly hitting the inclined impeller rotating at a high speed in the inside of the taper pipe having a small inner diameter on the outlet side, so that the pulverization is repeatedly performed. During the process, the micronized particles can be discharged to the outside through the blower, and the outer side is opened. It is to facilitate the maintenance and cleaning of the inside of the crushing unit.

In addition, a protrusion-type cutter is formed on the inner wall of the housing of the grinding device at intervals, and the cutter is installed to be shaken only by a predetermined angle at a predetermined distance from the rotating shaft to improve the grinding efficiency by interacting with the cutter and adjacent to the cutter. This is to prevent cutters from touching each other.

The present invention is provided on the side of the crusher unit 5 and crusher unit 5, which are installed on the frame 23 provided on the upper side of the base plate 2 to crush the pulverized object introduced from the hopper 3; In the crusher provided with the blower 7 which is installed inside the through each other and discharges the particles pulverized in the crusher unit 5 to the outside, the housing 21 and the blower 7 of the crusher unit 5 A taper pipe 14 having a small inner diameter connected to the blower 7 is connected between the casings 12, and a boss part fitted to the rotation shaft 10 on the rotation shaft 10 inside the taper pipe 14. On the outer periphery of 15 is provided an inclined impeller 17 in which several inclined wings 16 are inclined outwardly to the inner shape of the tapered tube 14 so as to radially outwardly project, Characterized in that formed at intervals on the inner fixed projection cutter.

Description

Powdering machine with a particle sorting part

The present invention relates to a pulverizer having a particle sorting unit, and more particularly, a taper pipe having a small inner diameter on the blower side is provided between a crusher unit of a pulverizer for crushing grains and a blower for discharging pulverized particles. Inside the tapered pipe, a particle sorting unit is installed with an inclined impeller suitable for the shape of the inner space of the tapered pipe.The outer side of the pulverizer unit is opened so that the entire cutter is exposed to the outside, and then the door is installed on the outer surface. Thus, the particles pulverized in the pulverizer unit come back into the pulverizer unit while repeatedly hitting the inclined impeller rotating at a high speed in the inside of the taper pipe having a small inner diameter on the outlet side, so that the pulverization is repeatedly performed. During the process, the finely divided particles can be discharged to the outside through the blower, and the outer side is opened. Is to facilitate maintenance and cleaning inside the grinder unit.

Conventional pulverizer grinds the object to be crushed into the crusher unit while rotating the rotary cutter at high speed, the small particles are crushed by the suction force acting when the impeller in the blower communicating with the inside of the crusher unit rotates It is to be discharged to the outside.

As such a conventional pulverizer is to discharge the small particles pulverized in the crusher unit to the outside immediately through the blower, there is a problem that the thickness of the particles discharged through the blower is thick and thin together.

Therefore, in view of the above problems, the perforated net is installed on the outer periphery of the rotary cutter inside the grinder unit, or the wire net is installed in the intermediate space from the grinder unit to the blower to make particles smaller than the size of the perforated net of the perforated net or the mesh of the wire mesh. Only the blower was allowed to be discharged to the outside.

However, this makes it difficult to discharge the pulverized particles by pinching the small particles of the pulverized object in the holes of the perforated network or the mesh of the wire mesh, thereby causing a problem that the amount of the pulverized particles is discharged is reduced and left for a long time. In the case of the hole of the perforated network or the mesh of the wire mesh was blocked there was a problem that can not perform the role of the grinder properly.

The present invention is to solve the above problems, a taper pipe having a small inner diameter on the blower side is provided between the crusher unit of the pulverizer and the blower for discharging the pulverized particles, and inside the tapered tube By installing the particle sorting unit having the inclined impeller suitable for the shape of the space, the particles pulverized in the pulverizer unit collide with the inclined impeller rotating at a high speed in the tapered pipe having a small inner diameter at the outlet side, and then into the inside of the pulverizer. It is intended to be repeatedly pulverized, and the finely divided and lightened particles are discharged to the outside through the blower in the process of being repeatedly pulverized.

In addition, the inclined impeller is provided with a gap adjusting device for adjusting the gap between the inclined impeller and the inner surface of the tapered pipe, there is another object to be able to adjust the particle size of the object to be crushed in the crusher unit.

In addition, the inclined impeller and the spacing adjuster are formed with an uneven groove, and a protrusion-type fixed cutter is formed on the inner wall of the crusher unit at intervals to maximize the crushing efficiency, and the housing of the crusher unit is separated into an open housing and a fixed housing. Another object of the present invention is to open and close the opening and closing housing so that the remaining pulverized product can be easily discharged and the inside of the housing can be cleaned cleanly.

In addition, when the housing is manufactured, the iron plate is cut into a half ring shape to form a housing piece, and then the plurality of housing pieces are combined to overlap each other to form a semi-circular fixed housing and an opening and closing housing, respectively, and the opening and closing are combined to form a housing. The protruding fixed cutter can be easily formed on the inner surface of the semi-circular fixed housing by partially forming the protruding fixed cutter inwardly of the housing piece, thereby reducing the manufacturing cost since the mold does not need to be manufactured when manufacturing the large housing. To make another purpose.

Then, after the whole of the plurality of cutters installed on the inside of the crusher unit from the outside of the crusher unit is opened to be visible from the outside, the door is installed on the outer side thereof to maintain and clean the inside of the crusher unit. It is another object of the cutter to be installed so as to be shaken only by a predetermined angle at a predetermined distance from the rotation axis so that adjacent cutters do not come into contact with each other.

The present invention for achieving the above object is a crushing device unit for pulverizing the pulverized object introduced from the input hopper to the frame installed on the upper side of the base plate, and the inner side is installed in the side of the crushing device unit through the crushing device unit In the crusher provided with a blower for discharging the pulverized particles to the outside, a taper pipe having a small inner diameter at the side connected to the blower and a large inner diameter at the side connected to the crusher between the housing of the pulverizer and the casing of the blower. The inclined impeller is connected to the inner side of the tapered pipe, and the inclined impeller is formed to radially outwardly project a plurality of inclined blades whose outer ends are inclined to the inner shape of the tapered pipe on the outer circumference of the boss fitted to the rotating shaft. do.

In addition, an uneven groove portion is formed at the front or inclined wing tip end portion of the inclined wing portion and the spacing adjuster, and the housing is separated into a fixed housing and an opening and closing housing, and then opened and closed in a fixed housing having a stopper installed at a lower outlet. The housing is installed to open and close in a hinged manner, characterized in that formed on the inner wall of the housing of the grinding device spaced apart from the projection-type fixed cutter.

As described above, the pulverizer including the particle sorting unit of the present invention includes a taper pipe having a small inner diameter at the outlet side of particles pulverized in the pulverizer unit between the pulverizer unit of the pulverizer and the blower for discharging the pulverized particles. By installing the particle sorting unit to be repeatedly crushed to come into the inside of the crusher unit while hitting the inclined impeller rotating at a high speed in the high speed, only the finely divided particles of the blower It is discharged to outside by suction pressure and improves crushing efficiency. Unlike other conventional net or wire mesh, the amount of pulverization generated when crushed particles are caught in perforated and wire mesh, It is effective to completely solve the problem of cleaning the perforated network.

In addition, the inclined impeller is provided with a gap adjusting device for adjusting the gap between the inclined impeller and the inner surface of the tapered pipe has the effect of controlling the particle size of the object to be crushed in the crusher unit, the pulverizer The negative cutter, the inclined impeller of the particle sorting unit, and the impeller of the blower are installed together to simplify the structure of the grinder.

In addition, the inclined impeller and the gap adjusting part may have an uneven groove to maximize the grinding efficiency, and open and close the housing of the grinding device to easily discharge the remaining grinding material in the housing and clean the inside of the housing. It works.

In addition, when the housing is manufactured, the iron plate is cut into a half ring shape to form a housing piece, and then the plurality of housing pieces are combined to overlap each other to form a semi-circular fixed housing and an opening and closing housing, respectively, and the opening and closing are combined to form a housing. The projection fixing cutter can be easily formed on the inner surface of the semi-circular fixed housing by forming the projection fixing cutter partially formed inwardly of the housing piece, so that the mold does not need to be manufactured when manufacturing the large housing. It is effective to reduce manufacturing costs.

And all the outer side of the crusher unit is opened to expose the outside of the cutter, and by installing the door on the outer surface of the hyowa to facilitate maintenance and cleaning of the inside of the crusher unit opening the outer side, the cutter Since it is installed at only a predetermined angle at a predetermined interval with a rotation axis to be shaken adjacent to the cutters are not in contact with each other has an effect that the stable operation is performed, the inner space of the housing of the grinder device to form a sawtooth fixed cutter on the top and the bottom is smooth Formed so that the outer side is open with the structure, there is an effect that can be easily cleaned so that the pulverized powder does not remain in the inner space of the housing of the crushing unit.

Hereinafter, with reference to the accompanying drawings, Figures 1 to 21 with respect to the grinder having a particle sorting unit according to the present invention.

1 to 6 show one embodiment of the present invention.

In an embodiment of the present invention, as shown in FIGS. 1 and 2, a frame 23 is installed at an upper part of a base plate 2 on which wheels are installed at a lower side thereof, and the frame 23 is loaded from an input hopper 3. A crusher unit 5 for crushing the pulverized object to be crushed, and an air blower 7 for discharging the particles pulverized in the crusher unit 5 to the outside are installed in the side of the crusher unit 5 to the outside. In one known mill 1, the particle sorting unit 6 is connected between the mill 5 and the blower 7.

As shown in FIGS. 1 to 3, the shredding device 5 is provided with a housing 21 at an upper portion of the frame 23, and an injection hopper 3 is installed at an upper side of the housing 21. One inlet pipe 4 is provided in communication with the space portion 5a, and a plurality of cutters 22 are provided on the outer periphery of the rotary shaft 10 inside the space portion 5a.

As the blower 7 is known, as shown in FIGS. 3 and 4, an impeller 13 is installed on the rotating shaft 10 that penetrates the inside of the casing 12 having the discharge part 11. .

At this time, the side facing the blower 7 of the crusher unit 5 and the side facing the crusher unit 5 of the blower 7 are open to each other, and the blower 7 and the crusher unit 5 The taper pipe 14 constituting the particle sorting part 6 is connected between them as shown in FIGS. 1 and 3, and one rotary shaft 10 in the center direction from the blower 7 to the pulverizer 5. ) Is installed horizontally.

Pulleys or sprockets are installed at the end of the rotary shaft 10 protruding to the outside of the blower 7 to receive power from the motor 9 installed at a predetermined position of the upper frame 23a to rotate the rotary shaft 10. It is supposed to be.

Particle sorting unit 6, which is a feature of the present invention, as shown in FIGS. 1 and 3, is provided with a particle sorting unit 6 connected between the grinder unit 5 and the blower 7, the grinding Between the housing 21 of the apparatus part 5 and the casing 12 of the blower 7, the inner diameter of the side connected to the blower 7 is small, and the inner diameter of the side connected to the grinder part 5 is large. 14 is installed to connect.

As shown in FIGS. 3 and 5, the outer end of the tapered tube 14 is fitted to the inner circumference of the tapered tube 14 at the outer circumference of the boss portion 15 fitted to the rotary shaft 10. The inclined impeller 17 is formed so that several inclined wing parts 16 which are inclined protrude radially outward.

Therefore, as shown in FIGS. 3 and 6, the cutter 22 of the crusher unit 5, the inclined impeller 17 of the particle sorting unit 6, and the blower 7 are disposed on the one rotation shaft 10. The impeller 13 is installed together in sequence to simplify the structure of the grinder (1).

In addition, as shown in Figures 3 and 5, each of the inclined wings 16, the outer end is provided with a bolt 20, the inclined spacer 19 inclined in accordance with the inner shape of the tapered pipe (14). After the long holes 18 are formed in the inclined wing portion 16 or the gap adjusting device 19 through which the bolts are fastened, the bolts 20 are fastened through the long holes 18 to provide the The gap between the outer inclined end portion and the inner surface of the tapered tube 14 can be adjusted.

In the case where the spacing adjusting device 19 is provided with adjustable spacing at the distal end of the inclined wing portion 16 as shown in FIG. 5, the distal end portion of the inclined wing portion 16 may be formed in a rectangular or semi-circular shape without being inclined. , The tip end of the gap adjusting device 19 must be inclined because it must adjust the gap with the inner surface of the tapered pipe (14).

And, in one embodiment shown in Figures 1 to 3, the housing 21 constituting the crusher unit 5 is formed separately from the fixed housing (21a) and the opening and closing housing (21b), the fixed housing (21a) and The opening and closing housing 21b is separated and formed in the front and rear direction, and the guide rod 27 is installed at the rear side of the opening and closing housing 21b, and the guide rod 27 is provided on the sliding guide 28 provided in the frame 23. It is guided sliding in the front-rear direction.

Thus, the fixed housing 21a and the opening and closing housing 21b which are opened and closed in the front-rear direction are locked to be opened and closed by the clamp 29 of the clamp type.

The following is a description of this embodiment shown in Figures 7 to 10, this embodiment is similar to the whole and partially different from one embodiment, the other parts are inclined impeller 17 and the spacer 19 Only the part that is formed in the uneven groove portion 30, the housing 21 is separated up and down and opened and closed, and the rest is the same as the embodiment will be described only for the changed parts and description of the same parts will be omitted.

In this embodiment, the inclined impeller 17 has a concave-convex groove 30 formed at the front end of the inclined wing portion 16 and the inclined wing portion forming the inclined impeller 17, as shown in FIGS. 8 to 10. , Uneven groove portion 30 is formed in the front and inclined wing portion tip portion of the spacing adjuster 19 is provided on the inclined wing 16.

At this time, the uneven groove 30 is for crushing the crushed particles once again, and said to be formed at the front and inclined wing end portions of the inclined wing portion 16 and the spacing adjuster 19 from above, but the inclined wing portion It can be formed only in front of the 16 and the space | interval adjusting apparatus 19, or only to the inclined wing part front-end | tip part.

In addition, in the case where the spacer 19 is provided on the inclined wing portion 16, the concave-convex groove portion 30 may be formed only in the gap adjusting portion 19 without forming the concave-convex groove portion in the inclined wing portion 16. In addition, although not shown in the drawings on both sides of the inclined wing portion 16 and the spacer 19, it turns out that the uneven groove can be formed to protrude.

As shown in Figure 7 and 8, the housing 21 in this embodiment is fixed housing (21a) and the opening and closing housing (21b) is formed to be separated up and down, the fixed housing (21a) is fixedly installed on the lower side and opened and closed The housing 21b is installed to be opened and closed in a hinged manner by the hinge part 33 in the form of a cover on the upper side of the fixed housing 21a.

In addition, the opening and closing housing 21b on the opposite side of the hinge portion 33 and the fixed housing 21a are in contact with the lock 29 is installed in the opening and closing type when the pulverization is made in the interior of the housing 21 opening and closing housing It is possible to lock the 21b and the fixed housing 21a, the fixed housing 21a is fixed to the frame 23, the input hopper (3) is connected and installed, the lower portion of the fixed housing 21a A discharge port 31 in which the 32 is opened and closed is provided.

At this time, the stopper 32 is installed in the outlet 31 can be installed in a hinged manner in a known installation method, or can be installed to open and close in a sliding manner.

The following is a description of the third embodiment shown in Figures 11 to 15, the third embodiment is similar to the whole embodiment, and partially different from one embodiment, the other part is a projection on the inner wall surface of the housing 21 Only the part formed to protrude the fixed cutter 41 is different, and the remainder is the same as in this embodiment, so only the changed parts will be described and the description for the same parts will be omitted.

At this time, the housing 21 in the third embodiment is installed to be separated into a fixed housing (21a) that is fixedly installed on the frame 23 and the opening and closing housing (21b) that is installed to be opened and closed in the fixed housing (21a), The fixed housing 21a and the opening and closing housing 21b may be installed to be opened and slidably horizontally as in the exemplary embodiment of FIG. 2, or may be installed to be opened and closed in a hinged manner as illustrated in FIG. 7. All kinds of housings 21 can be applied.

The fixed housing 21a and the opening and closing housing 21b are formed by cutting the iron plate into half rings to form a plurality of housing pieces 42 and 42a, as shown in FIGS. 13 to 15. (42, 42a) is formed by overlapping the semicircular cover plate 49 on both outer side surfaces thereof, and is formed as a combination of the long bolt (44).

At this time, the housing pieces (42, 42a) is formed with a plurality of bolt holes (43) through which the long bolt 44 is to be spaced apart, the projection fixing cutter 41 on the inner surface of some of the housing pieces (42) Protruding to form the housing piece 42, the projection fixing cutter 41 is formed and the housing piece 42a, the projection fixing cutter 41 is not formed alternately as shown in FIG.

As described above, when installing the housing piece 42 having the projection type fixed cutter 41 and the housing piece 42a having the projection type fixing cutter 41 not formed, the applicant of the present invention provides the projection type fixing cutter 41. The machine was manufactured by alternately installing two housing pieces 42a without the housing pieces 42 and the projection fixing cutter 41, and one housing piece 42 with the projection type fixing cutter 41.

The reason is that between the housing pieces 42 having the projection-type fixed cutter 41 as shown in FIG. 14 by producing the respective housing pieces 42 and 42a and the cutter 22 by cutting the steel plates having the same thickness. It is to be noted that the cutter 22 does not collide with both of the protruding fixed cutters 41 when passing through.

And, as shown in FIGS. 13 and 15, the tip of each of the projection type fixed cutters 41 is attached to the cemented tip 45 to prevent the tip portion of the projection type fixed cutter 41 from being worn and the grinding efficiency. This is to help improve.

As shown in FIGS. 11 to 14, the cutter 22 is formed by the hinge pin 47 on the outer circumference between the plurality of cutter mounting plates 46 installed at intervals on the outer circumference of the rotating shaft 10. The dogs are hinged at regular intervals, and the cutter 22 is formed with a concave-convex contact area enlargement portion 48 for enlarging the contact area on the front side to hit the pulverized object.

In this case, the contact area enlargement unit 48 is formed in a wave shape, but may be formed in a continuous shape of polygons such as triangles and squares.

11, the inclined impeller 17 installed in front of the cutter assembly in which the plurality of cutters 22 are installed is attached to the inclined blade unit 16 to reduce the weight of the inclined impeller 17. The fat hole 16a is formed, and the carbide tip 16b is attached to the distal end of the inclined blade portion 16 facing the cutter 22 side so that the grinding efficiency can be improved.

The carbide tip is made of an alloy having a very high hardness made by firing metal carbide powder, and refers to a known one that is used by being installed at the front end of a cutting tool.

Next, a description will be given of the actual examples with reference to FIGS. 16 to 21, which are similar in structure to those of the one to three embodiments described above, but partially improved in structure.

That is, the part of which the structure is partially improved is formed to open the outer side of the housing 21 in the crusher unit 5 so that the space 5a inside the housing 21 is opened to the outer side. One side of the door 50 is hingedly installed by the hinge part 51 on the outer surface of the open housing 21, and a locking mechanism 52 is installed in the housing 21 opposite to the hinge part.

The locking port 52 is a bracket 54 is installed in the housing 21, the screw rod 55 is hingedly installed on the bracket 54, the lock nut 56 on the screw portion of the screw rod 55 ) Is fastened in a screw type, and a locking groove 57 for inserting the screw rod is formed at an end of the door 50 corresponding to the threaded portion of the screw rod to lock the screw rod 55 into the locking groove 57. The nut 56 may be fastened to close the door 5 on the outer surface of the housing 21.

18, 19 and 21, one side (end) end is provided between several cutter installation plates 46 provided at regular intervals on the outer circumference of the rotating shaft 10, as shown in FIGS. The hinge pin 47 is installed in a hinged manner.

In addition, the engaging portion 22a is formed on the bottom of the end of the cutter 22 in contact with the outer circumferential surface of the rotary shaft 10, but hinged more than the distance L1 between the hinge pin 47 and the outer circumferential surface of the rotary shaft 10. The distance L2 between the pin 47 and the engaging portion 22a is formed long so that the cutter 22 rotates only within a limited angle range.

At this time, the bottom end of the cutter 22 is preferably formed in an arc shape so as to form the same arc-shaped spacing as the outer circumferential surface of the rotating shaft 10, as shown in Fig. 21, the cemented carbide portion at the distal end of the cutter 22 in the direction of rotation Tip 45 is installed.

The inner circumferential surface of the housing 21 has a sawtooth cutter 53 formed at an upper half, and a lower half formed smoothly so that the powder pulverized in the space 5a inside the housing 21 is easily formed. It is removable, and the inlet 3a is formed in the upper side of the housing 21, and the inlet hopper 3 is installed in the upper side.

In addition, as shown in Figure 19 and 20, the impeller 13 is installed to be detachable as a bolt on the outer end of the radial blade (13a) and radially installed on the outer periphery of the rotary shaft (10). It is formed by separating the impeller wing (13b). At this time, it is preferable to install support plates 13c that firmly support both sides of the spinning blades 13a on both sides of the spinning blades 13a.

The inclined blade portion 16 is separated into a radial blade 16c installed in the radial direction on the outer circumference of the rotating shaft 10, and the inclined blade (1d) detachably installed as a bolt on the outer end of the radial blade (16c). It is formed, the inclined blade (1d) is inclined to the outer end in accordance with the internal shape of the tapered tube 14 is formed of cemented carbide.

In addition, as shown in FIGS. 16 and 19, the rotating shaft 10 installed in the actual example has a housing 21 through which inner spaces communicate with each other in which the cutter 22, the inclined impeller 17, and the impeller 13 are installed. ), The tapered pipe 14 and the casing 12 are inserted into the inside, and the outer side of the 10 in which the pulley 8a is installed is the outside of the housing 21, the tapered pipe 14, and the casing 12. It is supported by the bearing 59 on the support frame 58 installed on the other side of the base plate 2 in the exposed state.

Further, in fact, the end of the rotating shaft 10 (right end on the drawing) inside the housing 21 is installed in a state floating in the space portion 5a inside the housing 21, and the outer end of the right end of the rotating shaft is provided. The cutter mounting plate 46 for installing the cutter 22 is fitted to the outside, and the blocking fastener 60 is provided at the outer end of the cutter mounting plate 46.

19 is formed on the inner circumferential surface of the right side of the rotary shaft insertion hole of the cutter mounting plate 46 in a state where the left end of the cutter mounting plate 46 is caught by the engaging portion 61 protruding on the outer circumference of the rotary shaft 10 as shown in FIG. 19. By fastening the blocking fastener 60 to the female screw portion, the cutter mounting plate 46 having a plurality of cutters installed on the outer circumference can be fixed to the right end of the rotating shaft.

Therefore, in the actual embodiment, when the door 50 is opened, the cutter mounting plate including the right end of the rotating shaft 10 and the cutter installed therein are easily exposed to the outside, so that the repair and inspection and the cleaning of the inside of the housing 21 are easy. will be.

In addition, the cutter mounting plate 46 provided with the impeller 13, the inclined impeller 17, and 22 described in the actual example may be replaced with the one installed in the first to third embodiments.

1 is a belt for transmitting the power of the motor 9 to the rotating shaft 10, "24" is a nut, and "25" is a bearing. , "26" is a key.

The working relationship of the present invention configured as described above will be described with reference to FIGS. 1 to 21. First, an embodiment will be described with reference to FIGS.

When the object to be crushed supplied to the input hopper 3 is driven into the space portion 5a of the pulverization apparatus 5 through the input pipe 4, the motor 9 is driven. The rotary shaft 10 is transmitted through the belt 8 to rotate the rotary shaft. In the present invention, one rotary shaft 10 is horizontally installed from the blower 7 to the crusher unit 5, and one of the rotary shafts 10 is rotated horizontally. The rotary shaft 10 is provided with an impeller 13 inside the blower 7, an inclined impeller 17 inside the particle sorting unit 6, and a cutter 22 inside the crusher unit 5, respectively. Each rotates simultaneously.

At this time, the cutter 22 in the crusher unit 5 rotates at a high speed and continuously blows and powders the object to be crushed into the space 5a to the space 5a of the crusher unit 5. While one side is open, the inner space of the taper pipe 14 and the inner space of the blower 7 pass through the open space side, and as the impeller 13 rotates inside the blower 7, the blower ( Particles pulverized in the crusher unit 5 by the suction force of 7) try to be sucked into the blower 7 side.

However, the inner diameter of the taper pipe 14 of the particle sorting unit 6 connected between the blower 7 and the crusher unit 5 has a large inner diameter at the side of the crusher unit 5 and the blower 7 is connected. Since small particles are crushed on the inclined inner surface of the tapered tube 14 is hit and reflected, the inclined blade portion 16 of the inclined impeller 17 rotates at high speed to reflect the crushed particles are hit and crushed The particles are broken again and enter the space portion 5a of the crusher portion 5.

As described above, the crushed particles coming into the space portion 5a by being inclined to the inclined blade portion 16 are hit again and again by the cutter 22 that rotates in the space portion 5a, thereby causing crushing again.

In the process of crushing the crushed particles in the crusher unit 5 as described above, the small particles that are light enough to be sucked by the suction force acting on the blower 7 are mainly the inner surface of the tapered pipe 14 and the inclined impeller 17. Is sucked into the casing (12) of the blower (7) through the gap between the tip of the inclined blade portion (16), and some small particles are also casing of the blower (7) through the gap between the inclined blade (16). (12) It is sucked inward.

The small particles sucked into the casing 12 of the blower 7 are discharged to the outside through the discharge part 11 by the blowing force generated by the rotation of the impeller 13.

The inclined wing portion 16 of the inclined impeller 17 may be provided with a spacing adjuster 19, as shown in Figure 5, which is to be spaced in the case of grinding the object to be crushed finely (small particle size) The gap between the distal end of the adjuster 19 and the inner surface of the tapered pipe 14 is narrowly adjusted.

When adjusting the gap between the front end of the spacer 19 and the inner surface of the tapered tube 14 as described above to loosen the bolt 20 to move the spacer 19 in the state of loosening the spacer 19. , The gap adjusting device 19 is formed with a long hole 18 to adjust the gap between the front end of the gap adjusting device 19 and the inner surface of the tapered pipe 14.

As described above, when the gap between the front end of the spacer 19 and the inner surface of the tapered tube 14 is narrowly adjusted to finely grind the ground particles, the front end of the spacer 19 and the inner surface of the tapered tube 14 are adjusted. As the gap between the narrower and narrower the pulverized particles collide with the inner surface of the tapered tube 14 and then the inclined wing portion 16, the number of times that the crushed particles enter the inside of the pulverization device portion 5 increases more and more pulverization is made As the gap between the distal end of the spacer 19 and the inner surface of the tapered tube 14 becomes smaller, small particles will pass.

After the completion of the grinding work for the object to be crushed as described above and the completion of the work of the day to clean the inside of the housing 21, in this case, as shown in Figures 2 and 3 separated in the front and rear in the case of one embodiment The opening and closing housing 21b of the formed housing 21 can be slidably opened to clean the inside thereof, and when the opening and closing housing 21b is slidably opened to the front, the guide rod 27 is a sliding guide hole ( 28) and open.

The following is a description of this embodiment shown in Figures 7 to 10, this embodiment is similar to one embodiment as a whole, but forming the uneven groove portion 30 in the inclined impeller 17 and the spacer 19. One and only the part that the housing 21 is separated up and down and opened and closed, and the rest is the same as the embodiment, so only the changed parts will be described and the description for the same parts will be omitted.

In this embodiment, the inclined impeller 17 is formed with an uneven groove 30 at the front and inclined wing end portions of the inclined wing 16 forming the inclined impeller 17 as shown in FIGS. 8 and 9. As the crushed object hits the inclined wing portion 16, the contact area of the uneven groove portion 30 is in contact with the crushed object as the contact area is enlarged, so that the crushing efficiency is further increased.

As shown in FIG. 10, even when the uneven groove portion 30 is formed in the gap adjusting hole 19, the contact area of the uneven groove portion 30 formed in the gap adjusting hole 19 is enlarged so as to be in contact with the pulverized object more to grind. It is the same that the efficiency is increased.

In this embodiment, as shown in FIG. 7, the housing 21 is formed in a semicircular shape while the housing 21 is separated and formed in the up and down direction, and the opening and closing housing is installed on the upper side of the fixing housing 21a. (21b) is installed to open and close in the form of a hinge hinged, and after the completion of the grinding work in the grinder, the cleaning operation such as opening the upper opening and closing housing (21b) hinged and discharge the remaining residue inside can do.

When opening and closing the opening and closing housing 21b, it is natural to open and close the locking port 29, and to open and close the stopper 32 installed on the outlet 31 to remove foreign substances such as debris.

As the rotary shaft 10 rotates in the third embodiment, the cutter mounting plate 46 fixed to the rotary shaft 10 also rotates, and a plurality of cutters hingedly installed on the outer periphery of the cutter mounting plate 46 ( While the 22 is rotated together, the pulverized object hitting the pulverized object contained in the inner space of the housing 21 is pulverized as in one embodiment.

However, in the third embodiment, as shown in FIG. 13 and FIG. 14, the cutter 22 is interposed between the adjacent protrusion fixing cutter 41 while the protrusion fixing cutter 41 protrudes on the inner wall surface of the housing 21. At the initial stage of the pulverization, the pulverized object having large particles is crushed by the projection-type fixed cutter 41 and the cutter 22 passing therebetween, so that the particles become small, and the rotating shaft 10 and the cutter mounting plate 46, and the pulverized object which rotates inside the housing 21 by the rotation of the cutter 22 hits the protruding fixed cutter 41 and is also broken, thereby improving the crushing efficiency.

11 and 13, carbide tips 45 and 16b are installed at the distal ends of the protruding fixed cutter 41 and the warp wing 16 to protrude the fixed cutter 41 and the warp blade. The tip of the part 16 is prevented from being worn and the grinding efficiency is improved.

In addition, each of the cutters 22 is provided with a contact area enlargement portion 48 for enlarging the area of the portion colliding with the crushed object, thereby further improving the crushing efficiency.

In addition, the fixed housing 21a and the opening and closing housing 21b are cut in half rings to form a plurality of housing pieces 42 and 42a as shown in FIGS. 14 and 15. By forming the housing 21 by combining the 42 and 42a as the long bolts 44 in the overlapped state, the manufacturing cost can be greatly reduced by not manufacturing the mold or the die for manufacturing the housing.

The following is a description of the working relationship with respect to the facts shown in Figs. 16 to 21, and in the case of the facts, the pulverized and pulverized particles are discharged similarly to the one to the three embodiments described above, Since the structure is partially improved and the working relationship is made accordingly, a part different from the one to three embodiments will be described.

That is, the biggest feature in the salsal example is that the right side of the housing 21 of the crusher unit 5 is opened and the door 50 is hingedly installed at the open portion.

Therefore, when inspecting or repairing the right end of the rotary shaft 10 including the cutter mounting plate 46 including the cutter 22, or cleaning the crushed particles in the housing, the door is opened and the upper housing 21 is opened. All spaces are visible and exposed, making maintenance and cleaning very easy.

Then, when the cutter 22 inside the crusher unit 5 rotates due to the rotation of the rotary shaft 10, as shown in FIGS. 18, 19 and 21, the lower width of the cutter 22 is wide, and the hinge pin ( 47 and the distance L2 between the hinge pin 47 and the engaging portion 22a formed at the lower edge of the cutter is longer than the distance L1 between the outer circumferential surface of the rotary shaft 10, so that the cutter has a dashed line as shown in FIG. Angular movement within a limited angle range.

That is, when the rotary shaft 10 is initially rotated, the cutter 22 is hinged to the cutter installation plate 46 on the hinge pin 47, so that the cutter rotates in a state of being rolled back, and the cutter 22 As the c) rotates in a state of being turned back, the contact area with the pulverized object in the housing 21 is enlarged, and the sawtooth fixed cutter 53 is formed on the inner circumferential surface of the housing to improve the crushing efficiency.

As described above, the cutter 22, which was rotated backward by the rotation of the rotating shaft, was leaned backward when the grinding operation was stopped and the rotation of the rotating shaft stopped, and the cutter 22 was tilted toward the front side. As the engaging portion 22a formed at the corner of the lower side hits the outer circumferential surface of the rotary shaft 10 instantaneously, vibration is generated in the entire cutter, and the grinding powder deposited on the cutter falls off.

If the pulverized powder adhered to the cutter is not dropped as described above, the pulverized powder is reduced as the pulverized powder is entangled with the impact surface of the cutter as time passes.

As the cutter 22 angularly moving forward and backward as described above performs angular movement within a limited angle range as shown in FIG. 21, collision between adjacent cutters does not occur.

Incidentally, the inclined impeller 17 and the impeller 13 are installed so as to replace the inclined vane 16d and the work propeller vane 13b, which are installed at the outer end thereof, respectively, so that the inclined vane 16d and the impeller vane ( 13b) can be replaced when damaged, saving maintenance costs.

In addition, the impeller blade (13b) installed on the outer end of the inclined impeller (17) is made of cemented carbide, and the cemented carbide tip (45) is attached to the front impact surface of the cutter (22). It is possible to provide safe food when grinding foods such as grains by preventing the formation of food.

In addition, as shown in FIG. 16, the cutter 22, the inclined impeller 17, and the rotating shaft 10 in which the impeller 13 is installed may be provided in the housing 21, the tapered pipe 14, and In the state inserted into the casing 12 is rotated at a high speed, the rotary shaft 10 of the left side in the drawing is supported by a bearing (59) installed on the upper side of the support frame 58 in a state that extends to the left long cutter ( Even though the right end of the rotating shaft 22 is floating in the air, the right end of the rotating shaft on which the cutter 22 is installed is also quietly and stably rotated.

1 is a front view showing an embodiment of the present invention.

2 is a side view of the present invention shown in FIG.

3 is a longitudinal sectional view showing main parts of one embodiment;

4 is a cross-sectional view taken along the line A-A of FIG.

5 is a cross-sectional view taken along the line B-B in FIG.

6 is a cross-sectional view showing a rotating shaft installed in one embodiment.

Figure 7 is a side view showing this embodiment of the present invention.

8 is a perspective view of the inclined impeller installed in this embodiment.

Fig. 9 is a longitudinal sectional view showing this embodiment.

Figure 10 is an installation state showing that the uneven groove is formed in the interval adjusting device is installed in this embodiment.

11 is a perspective view showing a third embodiment of the present invention.

12 is a side view showing a third embodiment in which the housing is opened.

Fig. 13 is a side sectional view showing a closed state of the housing installed in the third embodiment.

14 is a cross-sectional view taken along the line C-C in FIG.

Figure 15 is a perspective view showing a housing piece installed in the third embodiment.

16 is a front view showing a true embodiment of the present invention.

Figure 17 (a) (b) is a side view of the present invention according to the actual example showing a state in which the door is closed and opened.

18 is a cross-sectional view taken along the line D-D of FIG.

19 is a sectional view showing a rotating shaft installed in a practical example.

20 is a cross-sectional view taken along the line E-E of FIG.

FIG. 21 is a cross-sectional view of an operating state in which the "F" part in FIG. 18 is enlarged. FIG.

Description of the Related Art

1: Grinder 2: Base Plate 3: Input Hopper

4 input tube 5 grinding unit 6 particle selection unit

7: blower 8: belt 9: motor

10 rotating shaft 11 discharge portion 12 casing

13 impeller 14 taper pipe 15 boss

16: inclined wing portion 17: inclined impeller 18: long hole

19: Spacer 20: Bolt 21: Housing

21a: fixed housing 21b: opening and closing housing 22: cutter

23 frame 24 nut 25 bearing

26: key 27: guide rod 28: sliding guide

29: locking port 30: uneven groove 31: outlet

32: stopper 33: hinge portion 41: projection type fixed cutter

42, 42a: housing piece 43: bolt hole 44: long bolt

45: carbide tip 46: cutter mounting plate 47: hinge pin

48: contact area enlargement portion 49: semi-circular cover plate 50: door

51 hinge portion 52 locking mechanism 53 serrated fixed cutter

54: bracket 55: screw rod 56: lock nut

57: locking groove 58: support frame 59: bearing

60: blocking fasteners

Claims

In the frame 23 provided on the upper side of the base plate 2, a crusher unit 5 for pulverizing a pulverized object introduced from the hopper 3 and an inner side of the crusher unit 5 are installed so as to communicate with each other. And install a blower (7) for discharging the particles pulverized in the crusher unit 5 to the outside, the inside of the central portion of the blower (7) and the crusher unit (5) is rotated by receiving power from the motor (9) In the grinder provided with the impeller 13 and the cutter 22 in the rotary shaft 10 is installed horizontally, the rotary shaft 10 inside the blower 7 and the grinder unit 5,

Between the housing 21 of the crusher unit 5 and the casing 12 of the blower 7, the inner diameter of the side connected to the blower 7 is small and the inner diameter of the side connected to the crusher unit 5 is large. Tapered pipe 14 is connected and installed

The inclined impeller 17 is formed on the rotating shaft 10 inside the tapered pipe 14 so that several inclined wings 16 inclined at an outer end thereof radially outwardly fit the inner shape of the tapered pipe 14. The grinder provided with the particle sorting part characterized by the above-mentioned.

According to claim 1, wherein the housing 21 is formed to be separated into a fixed housing (21a) and the opening and closing housing (21b), the fixed housing (21a) is fixed to the frame 23 and the opening and closing housing (21b) On the upper side of the fixed housing (21a) is installed to be opened and closed in a hinged manner by the hinge portion 33 in the form of a cover, the outlet 31 is installed in the lower portion of the fixed housing (21b) so that the stopper (32) can be opened and closed. And a locking device (29) installed in an openable manner at a portion where the open / close housing (21b) and the fixed housing (21a) of the opposite side of the hinge portion (33) are in contact with each other.

According to claim 1, wherein the housing 21 is installed to be separated into the fixed housing (21a) and the opening and closing housing (21b), the fixed housing (21a) and the opening and closing housing (21b) is a plurality of cut iron plate in half ring type After forming two housing pieces (42, 42a), the plurality of housing pieces (42, 42a) are overlapped and the semicircular cover plate (49) on both sides of the outer side overlapping through the long bolt 44 is installed The grinder provided with the particle | grain selection part made into.

According to claim 1, wherein the outer side of the housing 21 opposite the tapered tube 14 is open to expose the entire cutter, the outer surface of the housing 21 is installed so that the door 50 is opened and closed hingedly, A grinder having a particle sorting unit, characterized in that a locking mechanism 52 is provided on the opposite side of the hinge portion 51 of the door 50.

The rotary shaft 10 is horizontally installed with one rotary shaft 10 integrally formed from the blower 7 to the grinder unit 5, and the horizontal rotary shaft 10 10, the particle sorter characterized in that the cutter 22 of the crusher unit 5, the inclined impeller 17 of the particle sorting unit 6, and the impeller 13 of the blower 7 are sequentially installed together. Grinder provided with a part.

6. The cutter 22 according to claim 5, wherein one end of the cutter 22 is hinged by a hinge pin 47 between several cutter mounting plates 46 provided at regular intervals on the outer circumference of the rotating shaft 10. The grinder provided with the particle sorting part characterized by the above-mentioned.

The method of claim 6, wherein the engaging portion 22a for contacting the rotating shaft 10 is formed on the bottom end of the cutter 22, the distance between the hinge pin 47 and the outer peripheral surface of the rotating shaft 10 (L1) The grinder provided with the particle | grain sorting part characterized by the longer distance L2 of the hinge pin 47 and the locking part 22a formed.

8. The grinder according to claim 6, wherein a cemented carbide tip (45) is provided at the tip of the cutter (22) in the direction of rotation.

7. The grinder according to claim 6, wherein an uneven contact area enlargement portion (48) is formed at a tip end of the cutter (22) in a rotational direction.

5. The bolt 20 according to any one of claims 2 to 4, wherein each of the inclined wing portions 16 has an outer end portion inclined to fit the inner shape of the tapered pipe 14 with a bolt 20. It is installed so as to adjust the gap between the inner surface of the tapered pipe (14), the long hole 18 is formed in the inclined wing portion 16 or the gap adjusting mechanism 19 through which the bolt is fastened, the long hole 18 Grinder having a particle sorting unit, characterized in that the bolt 20 is fastened through.

11. The particle according to claim 10, wherein an uneven groove portion 30 is formed at the front or inclined wing end portion of the inclined wing portion 16 and at the front or inclined wing portion tip portion of the spacing adjuster 19. Grinder with sorting part.

5. The inclined blade portion 16 according to any one of claims 2 to 4, wherein the inclined blade portion 16 is provided in the radial direction on the outer circumference of the rotating shaft 10, and the outer end of the radiation blade 16c. The inclined wing (1d) is detachably formed as detachable as a bolt on, and the inclined wing (1d) inclined to the outer end in accordance with the internal shape of the tapered pipe (14) is provided with a cemented carbide, characterized in that formed by cemented carbide grinder.

The inner circumferential surface of the housing 21 is characterized in that a plurality of projection-type fixed cutter 41 having a cemented carbide tip 45 in the tip portion is formed to protrude inwardly. A grinder having a particle sorting unit.

14. The housing piece 42 is formed by protruding inwardly a projection type fixing cutter 41 having a cemented carbide tip 45 at its distal end, and a housing operation 42a which does not form the projection type fixing cutter. And the housing selections (42, 42a) are alternately installed so that the protruding fixed cutter (41) is protruded at intervals.

5. The grinder according to any one of claims 2 to 4, wherein a sawtooth fixed cutter (53) is formed on the upper half of the inner circumferential surface of the housing (21).