JP3098658B2 - Grain cutting blade and its grain cutting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grain cutting blade and a grain cutting machine.

[0002]

2. Description of the Related Art Various types of crushers for crushing industrial wastes have been developed and used.
For example, as an apparatus for reusing resin waste such as a runner generated during resin molding, there is a crusher for crushing the resin waste. One example of the crusher is shown in FIGS.
It is shown in FIG. FIG. 13 is a side sectional view, and FIG. 14 is a plan view of FIG. The crushed resin waste crushed into pellets by this crusher is mixed with virgin pellets and reused. Thereby, the resin material can be effectively used, and the yield of the material can be increased.

As shown in FIGS. 13 and 14, reference numeral 50 denotes a horizontal axis, on which a plurality of crushing blades 52 are fixed in a skewered manner at predetermined intervals. The crushing blade 52 has a plurality of cutting edges 54 formed on the outer circumference. Also, 56
Denotes a fixed blade, which is formed in a comb blade shape. The cutting edge 54 of the crushing blade 52 between the comb blades 57 adjacent to the fixed blade 56
Are arranged so as to enter, and the object to be crushed is crushed between the fixed blade 56 and the crushing blade 52. Numeral 58 denotes a receiving plate, which is formed in a comb blade shape on the opposite side of the fixed blade 56, and is arranged so that the cutting edge 54 of the crushing blade 52 passes between the comb blades 59. The receiving plate 58 prevents the object to be crushed from falling before being crushed. According to this crushing machine, the crushed material to be charged can be crushed into pellets.

[0004]

However, in the conventional crusher, there is a problem that it is difficult to crush the material to be crushed in a granular manner, that is, to suitably break the crushed material. This is for the following reasons. The crushed material supplied between the adjacent comb blades 57 of the fixed blade 56 and the crushing position at which the cutting edge 54 of the crushing blade 52 passes is crushed and discharged in the form of pellets. However, the object to be crushed located in a portion where the cutting edge 54 of the crushing blade 52 does not pass on the comb blade 57 is not sent to the crushing position as long as there is no action by mechanical vibration or the like, and stays there. . The object to be crushed is between the adjacent crushing blades 52 and the comb blade 5 of the fixed blade 56.
7 are easily crushed without being crushed, and so-called bridges are easily caused. Due to the remaining crushed material that has not been crushed in this way, the crushed material sent later is
Not sent to crushing position sequentially.

[0005] As described above, the object to be crushed is not suitably sent to the crushing position, and the object to be crushed is not efficiently crushed. First, the apparatus is easily heated by friction between the remaining crushed object and the crushing blade 52, and static electricity is also easily generated by the friction. Further, fine particles are likely to be generated due to rubbing of the remaining crushed material and the crushing blade 52, which may deteriorate the working environment. Furthermore, since the crushing blade 52 in the shape of a disk (round blade) is used, the size of the apparatus increases due to its storage. As a result, energy consumption for driving the crusher is increasing.

Accordingly, an object of the present invention is to provide a particle cutting blade and a particle cutting machine capable of efficiently crushing a crushed object to be crushed into a uniform particle size. To provide.

[0007]

To achieve the above object, the present invention has the following arrangement. That is, the particle cross blade of the present invention includes a first body and a second body part capable relatively sliding Seddo respect to the first body portion, the first body portion <br The cutting edge provided in a comb-shape and facing the second main body is
A plurality of first blade having said first to said first body portion
Provided in a comb-teeth shape between blades each other, said plurality of first blade
Face from the side facing the surface connecting the multiple cutting edges
A plurality of second blade having a facing edge portion for location, provided in a comb-teeth shape on the second body portion, corresponding to the cutting edge of the first blade
And a blade portion facing the first main body portion, wherein the first
Main body and the shear is when the second body portion is relatively sliding movement, in the particle cross product is shaped comb between the corresponding said first blade
A plurality of third blades for primary shearing so as to obtain a granular material, and a plurality of third blades applied to the second body portion by a plurality of third blades.
It has a blade part that faces from the side facing the surface connecting the blade edges.
And a position different from the third blade in the sliding movement direction.
Provided location, the object particle cross was the first blade and further said first body portion and second body portion is relatively sliding from the position of the primary shear between the third blade upon movement, left comb shape in the primary shear Hitsubudan product between corresponding said second blade
And a plurality of fourth blades that perform secondary shearing so that the cut portion is sheared to obtain a granular material .

[0008] In addition, the particle cutter according to the present invention has a base, a first main body inclined with respect to the base, and is slidably movable in a direction substantially perpendicular to the first main body. a second body portion, provided in a comb shape to the first body portion, the second body portion
Facing the plurality of first blade having a cutting edge, provided on the comb-like between said first blade between the first body portion, before
Facing the surface connecting the plurality of cutting edges of the plurality of first blades
That a plurality of second blade having a facing edge portion positioned facing from the side, provided in a comb shape to the second body portion, said first
A blade portion corresponding to the cutting edge of the blade of the first body portion and facing the first body portion;
Has, when said first body portion and second body portion has a relatively sliding motion, the particle cross product between the corresponding said first blade
There a plurality of third blades to primary shear to obtain granules are sheared in a comb teeth shape, provided in a comb-teeth shape between the third blade between said second body portion, said To the facing blade part of the second blade
Correspondingly, tying a plurality of cutting edges on the plurality of third blades
With a blade that is located from the side facing the surface
Provided at a position different from the third blade in the sliding contact movement direction.
It is, when the addition of the first body portion and second body portion from the position where the primary shear between the particle cross was the first blade and the third blade has relatively sliding movement The portion left in the form of a comb blade due to the primary shearing of the object to be cut between the corresponding second blade and the second blade is
A plurality of fourth shears that are secondarily sheared to obtain a granule when sheared
And a blade of

Further, the present invention relates to the above-mentioned particle cutter,
Said first body portion fixedly mounted on the base, before
It is fixed to the serial base, a guide post for sliding Seddo capable guides the substantially vertical second body portion relative to the first body portion, reciprocating along the second body portion to the guide post With the provision of the driving device for moving, the second main body can be suitably reciprocated.

[0010]

According to the grain cutting blade and the grain cutting machine of the present invention, the first main body and the second main body are relatively slidably moved.
First, a first blade and the third blade is sliding motion, to first order shear the particle cross product between them. Subsequently, the first blade portion and the second body portion are further slidably contacted with each other, whereby the second blade and the fourth blade portion are moved.
And blade is sliding motion, secondarily shearing the remaining part of both the particle cross product is the primary shear between. For this reason, the broken object can be shredded to a uniform particle size, and the broken object thus shredded can be suitably discharged. In addition, the broken pieces supplied later can be sequentially sent to the breaking position without being interrupted by the previously broken pieces and the broken pieces. Thereby, the object to be granulated can be continuously and efficiently shredded.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. FIG. 1 is a perspective view showing an embodiment of the grain cutting blade according to the present invention, and FIGS. 2 and 3 are cutaway perspective views showing details of the grain cutting blade of FIG. FIG. 4 is a view on arrow A of the grain cutting blade of FIG. FIG. 5 is a sectional view taken along line XX of FIG.

Reference numeral 10 denotes a first main body, which is fixed to the base of the shredder at an angle. Reference numeral 12 denotes a second main body, which is guided to be slidable in a substantially vertical direction with respect to the first main body 10. The means for guiding the second main body is, for example, a guide post fixedly provided on the base and extending substantially perpendicular to the first main body 10. Examples of the guide means and the driving mechanism will be described later.

Reference numeral 14 denotes a first blade, and a plurality of blades are arranged at predetermined intervals on a corner of the first main body 10 in a line.
The first main body 10 is arranged in a comb blade shape. That is, in the embodiment of FIG. 1, an inclined concave portion 18 is formed at a predetermined interval at a corner of the first blade member portion 16 fixed integrally with the first main body portion 10. , Multiple first
Are formed so as to be disposed in a comb blade shape. The arrangement of the first blades 14 is not limited to being formed integrally with the first blade member 16 by the plurality of first blades 14 as in the present embodiment. Needless to say, the first blades 14 may be individually fixed and disposed.

Reference numeral 20 denotes a second blade, which is a first blade 10
And are arranged in a comb-like shape between the adjacent first blades 14. In this embodiment, the second
The blade 20 is disposed so that the plurality of blades face the blade surface connecting the plurality of blades on the first blade 14, and
And protrudes toward the second main body portion 12 and is fixed to the main body portion. As shown in FIG. 2, the second blade 20 has a first facing blade portion 20 a facing the blade surface of the plurality of first blades 14, and the second blade 20 extends in a direction perpendicular to the blade surface . It has two orthogonal blade portions 20b. Further, the second blade 20, the surface opposite to the first facing blade portion 20a, and in sliding contact with the second body portion 12 as a rubbing surface 20c, the particle cross product is supplied Tsubudan To prevent it from falling before being taken. In the present embodiment, the plurality of second blades 20 are fixedly disposed on a base material 22 that is integrally fixed to the first main body 10.

Reference numeral 24 denotes a third blade, which is disposed in the second main body 12 in a comb-like shape corresponding to the first blade 14. The third blade 20 is, as is apparent in FIG.
And a second orthogonal blade portion 24b in a direction orthogonal to the blade edge surface of the first blade 14.

According to the third blade, the first main body 10
Blade 1 corresponding to the time when the second main body 12 slides with the first blade 1
4 is subjected to primary shearing. Then, when the first body portion 10 and the second body portion 12 is further relatively sliding movement after the primary shearing of Hitsubudan was, enters between the adjacent second edge 20 . As a result, the sheared granular material is discharged so as to be pushed in the moving direction of the second main body 12. In the present embodiment, the plurality of third blades 24 are connected to the base material 26 integrally fixed to the first main body 10.
Are fixedly arranged.

Reference numeral 28 denotes a fourth blade, which is a second blade 12
Between the third blades 24 adjacent to each other. The fourth blade 28 is provided such that the position of the distal end is located above the second main body 12 from the position of the distal end on the third blade. The fourth blade 28 is disposed so that the plurality of blades face the blade surface connecting the plurality of blades on the third blade 24 , and the first main body 12 is attached to the second main body 12. It protrudes to the side 10 and is fixed. As shown in FIG. 5, the tip is formed in a tapered shape with its lower end at the top, and is provided so as to be able to enter an inclined recess formed between the first blades 14.

According to the fourth blade 28, the first main body 10 and the second main body 10 are further moved from the position where the object to be granulated is primarily sheared between the first blade 14 and the third blade 24. when the main body portion 12 has a relatively <br/> sliding movement, secondarily shearing the object to be particle cross product is the primary shear between the corresponding second blade 20. The fourth blade 28
In this embodiment, the plurality of fourth blades 28 are not necessarily formed integrally with the second blade member 30 as in the present embodiment. Of course, the fourth blades 28 may be individually fixed and disposed on the base material.

An opening 32 is provided above the third blade 24 and opens between the adjacent third blades 24, as shown in FIGS. The opening 32
Is connected to the discharge path 34 as shown in FIGS. 3 and 5.

Next, the operation of the above embodiment will be described with reference to FIGS. First, an object to be granulated is put into a granulator. In order to schematically explain the function, the broken object is a runner 36 which is a waste product of a resin molded product formed into a rod having a circular cross section. A first body portion 10 and the second body portion 12 is configured so as to sliding contact movement in a V-shape. For this reason, as shown in FIG. 5, the runner 36 falls naturally and is suitably supplied to the breaking position. FIG. 6 is a plan view of the runner 36 shown in FIG. At this time, since the sliding surface 20c of the second blade 20 is in sliding contact with the surface of the second main body 12 facing the same, the runner 36 does not drop any more. FIG. 5 shows a cross section taken along line XX of FIG.

Next, as shown in FIG.
The second main body 12 is slid with respect to 0 so that the first blade 14 and the third blade 24 are in sliding contact with each other. At this point, the runner 36 is primarily sheared between the first blade 14 and the second blade 20 and the third blade 24 in a comb blade shape. The first-part sheared granular material 36a is the first main body 10
And is discharged downward through the space between the second main body 12 and the second main body 12. FIG. 8 is a view showing the state of the runner 36 subjected to the primary shearing.
FIG. 4 is a plan view of the runner 36 viewed from an arrow B. In addition, FIG.
5 shows a cross section of the grain cutting blade taken along line XX shown in FIG. 4.

Further, as shown in FIG. 9, the second body 12 is slid with respect to the first body 10 so that the second blade 2
0 and the fourth blade 28 are brought into sliding contact with each other. As a result, the portion of the runner 36 left in the form of a comb blade due to the primary shearing is secondarily sheared. The fragmented material 36b that has been subjected to the secondary shearing in the form of particles is discharged downward through the opening 32 and the discharge passage 34. At this time, the third blade 24 enters between the adjacent second blades 20. Thus, the first-sheared granular material 36a is suitably discharged so as to be pushed downward. FIG. 10 shows a state of the runner 36 in FIG.
FIG. The half of the runner 36 is shown broken. FIG. 9 shows the grain cutting blade along the line BB shown in FIG.
The cross section cut by is shown.

Next, the second main body 12 is slid upward to return to the state shown in FIG. At this time, all the broken pieces are discharged and do not remain. Therefore, the remaining runner 36 naturally moves by gravity and is supplied to the breaking position.

As described above, since the cut pieces are sequentially supplied to the cutting position, the cut pieces can be efficiently cut to a uniform particle size. In addition, since the broken pieces and the broken pieces do not remain, the friction with the grain cutting blade is small, the apparatus is hardly heated, and static electricity is hardly generated. Furthermore, there are few fine particles generated by rubbing the blade part and the broken object,
Work environment can be improved. Further, since the reciprocating grain cutting blade as described above is used, the apparatus can be downsized to accommodate the grain cutting blade. This allows
Energy consumption for driving the shredder can also be reduced.

FIG. 11 is a side sectional view showing one embodiment of a drive mechanism for the grain cutting blade of the present embodiment, and FIG. 12 is a view taken in the direction of arrow D of the embodiment of FIG. The first main body 10 includes a base 4
It is fixed to 0. Further, the second main body 12 is connected to a driven member 39 via a holding member 38. In the upper part of the driven member 39, an elongated opening 39a is provided. The roller 49 is inserted into the opening 39a as is apparent from FIG. Roller 49 is
It is rotatably mounted on a shaft 48 eccentrically provided on a rotating disk 47 rotated by a power unit 45. The turntable 47 is connected to a rotary shaft 46 supported by a bearing portion 42 provided on the base 40 as shown in FIG. 12, and is connected to a power unit 45.

As shown in FIG. 12, the holding member 38 is slidably guided by two guide posts 41. That is, the guide post 41 is fitted into the through hole penetrated by the holding member 38 via the bearing in the axial direction, thereby guiding the second main body 12 slidably. Since the driving mechanism is configured as described above, the rotation of the rotating shaft 46 by the power unit 45 can be converted into a reciprocating motion of the second main body 12 connected to the driven member 39. The power unit 45 may use an electric motor, and the number of rotations may be adjusted by an appropriate reduction device. Further, in a large-sized particle cutter, it is needless to say that not only the drive mechanism of the above-described embodiment but also the cylinder device can be used as a power device.

In the above embodiment, the description has been given of the particle cutter in which the first main body 10 is fixed to the base and the second main body 12 is slidably moved. However, the present invention is not limited to this. Instead, a mechanism that can relatively slide and move the first main body 10 and the second main body 12 may be used. That is, the second body portion 12 is fixed, the first body portion 10 may be allowed to slide Seddo, it may be movable body. In this embodiment,
The first main body 10 is fixed to the base body 40 at an inclination of about 45 °, and the second main body 12 is disposed so as to be able to reciprocate in a direction perpendicular to the first main body 10, but the present invention is not limited to this. The mounting angle of the first main body 10 may be arbitrarily selected depending on conditions such as the supply direction of the broken object. Also, the second main body 12
Needless to say, the sliding angle with respect to the first main body 10 can be arbitrarily selected within a predetermined range.

Further, the material of the first to fourth blades can be selected according to the material of the cut piece, and for example, a hard metal or the like may be used. By selecting the specifications of the grain cutting blade in this way, the present invention can be widely used other than the grain cutting of the plastic molded article as in the above embodiment. For example, it is possible to suitably shred the object to be cut in all fields such as rubber, wood, and metal. As described above, various preferred embodiments of the present invention have been described. However, the present invention is not limited to these embodiments, and it goes without saying that many more modifications can be made without departing from the spirit of the invention. That is.

[0029]

According to the grain cutting blade and the grain cutting machine of the present invention, the first main body and the second main body are relatively slidably contacted with each other, so that the first main body and the second main body are moved between the first and third blades. Shearing the shards is followed by shearing the remaining shards between the second and fourth blades. For this reason, the broken object can be shredded to a uniform particle size and the broken object can be suitably discharged, and the subsequently broken object can be suitably sent to the shredding position. That is, according to the grain cutting blade and the grain cutting machine of the present invention, there is a remarkable effect that the object to be granulated can be efficiently cut to a uniform particle size.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a grain cutting blade according to the present invention.

FIG. 2 is a cutaway perspective view showing a first main body portion according to the grain cutting blade of FIG. 1;

FIG. 3 is a cutaway perspective view showing a second main body portion relating to the grain cutting blade of FIG. 1;

FIG. 4 is a view on arrow A of the embodiment of FIG. 1;

FIG. 5 is a sectional view taken along the line XX showing an operation state of the embodiment of FIG. 1;

FIG. 6 is a plan view of the object to be cut into the cutting blade of FIG. 5;

FIG. 7 is a sectional view taken along the line XX showing an operation state of the embodiment of FIG. 1;

FIG. 8 is a view as viewed in the direction of arrow B of the object to be cut which has been primarily sheared in FIG. 7;

FIG. 9 is a YY sectional view showing an operation state of the embodiment of FIG. 1;

FIG. 10 is a view as viewed in the direction of arrow C of the object to be cut subjected to secondary shearing in FIG. 9;

FIG. 11 is a side sectional view illustrating an embodiment of the drive mechanism of the present invention.

FIG. 12 is a view on arrow D of the embodiment of FIG. 11;

FIG. 13 is a side sectional view showing a conventional technique.

FIG. 14 is a plan view showing a conventional technique.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 1st main-body part 12 2nd main-body part 14 1st blade 16 1st blade material part 18 Inclined recessed part 20 2nd blade 20a 1st facing blade part 20b 1st orthogonal blade part 22 Mother Material 24 Third blade 24a Second facing blade portion 24b Second orthogonal blade portion 26 Base material 28 Fourth blade 30 Second blade member portion 32 Opening portion 34 Discharge path 36 Granulated material

Claims (3)

(57) [Claims] A first main body, a second main body that is slidable relative to the first main body, and a comb blade provided on the first main body ; The second body
A plurality of first blade having a cutting edge facing the part, set in a comb-teeth shape between the first blade between the first body portion
Connecting the plurality of cutting edges of the plurality of first blades
A second blade of the double <br/> number having a facing edge portion positioned facing the side facing the surface, provided in a comb shape to the second body portion, said first blade
A blade portion corresponding to the blade edge and facing the first body portion;
And, when said main body portion and the second first body portion has a relatively sliding motion <br/>, the particle cross product between the corresponding said first blade comb
A plurality of third blades to primary shear to obtain the sheared to the blade-like granules, set in a comb-teeth shape between the third blade between said second body portion
Corresponding to the facing blade portion of the second blade,
From the side facing the surface connecting the multiple cutting edges of the third blade
It has a blade portion that faces and is in sliding contact with the third blade.
Provided at different positions for moving direction, the further the first body portion than the position where the primary shearing and second body portion between the grain cross was the first blade and the third blade relative when the manner and the sliding movement <br/>, the Hitsubudan product between corresponding said second blade 1
In the next shear, the part left in the shape of a comb blade is sheared to obtain a granular material.
And a plurality of fourth blades for secondary shearing. 2. A base, a first main body inclined with respect to the base, and a second body slidable in a direction substantially perpendicular to the first main body.
A main body part, provided in the first main body part in a comb blade shape, and the second main body
A plurality of first blade having a cutting edge facing the part, set in a comb-teeth shape between the first blade between the first body portion
Connecting the plurality of cutting edges of the plurality of first blades
A second blade of the double <br/> number having a facing edge portion positioned facing the side facing the surface, provided in a comb shape to the second body portion, said first blade
A blade portion corresponding to the blade edge and facing the first body portion;
And, when said main body portion and the second first body portion has a relatively sliding motion <br/>, the particle cross product between the corresponding said first blade comb
A plurality of third blades to primary shear to obtain the sheared to the blade-like granules, set in a comb-teeth shape between the third blade between said second body portion
Corresponding to the facing blade portion of the second blade,
From the side facing the surface connecting the multiple cutting edges of the third blade
It has a blade portion that faces and is in sliding contact with the third blade.
The first main body and the second main body are disposed at different positions in the moving direction, and the first main body and the second main body are further positioned relative to a position where the object to be granulated is primarily sheared between the first blade and the third blade. when the manner and the sliding movement <br/>, the Hitsubudan product between corresponding said second blade 1
In the next shear, the part left in the shape of a comb blade is sheared to obtain a granular material.
And a plurality of fourth blades for secondary shearing. Wherein the first provided fixed to the base body
And the body portion is fixed to the base body, wherein a guide post for sliding Seddo can guide the said second body portion in a direction substantially perpendicular to the first body portion, the second body portion guide 3. The shredder according to claim 2, further comprising a driving device for reciprocating along the post.