KR100203341B1 - Crusher and crushing blades for the same - Google Patents

Abstract

1. TECHNICAL FIELD OF THE INVENTION

Resin wastes such as runners or rubber generated during resin molding such as injection molding are pulverized into particles of a predetermined size.

2. The technical problem to be solved by the invention

The configuration of the device can be simplified to make it more compact, and the object to be processed can be prevented from remaining in the grinding position to enable reliable grinding, and the production of grinding blades can be facilitated.

3. Summary of Solution to Invention

Fixed workpieces inserted into the main body 40 are roughly crushed by the rotary shredding blade 10, and a plurality of small shearing blades 70a, 70b disposed below the rotary shredding blade 10 are installed side by side. It grind | pulverizes with the grinding blade 70 and the movable grinding blade 60 which meshes with this fixed grinding blade 70. The movable grinding blade 60 is axially supported to be slidable in a direction to move away from the fixed grinding blade 70, and rocked by a drive mechanism to be pulverized. The fixed grinding blade 70 and the movable grinding blade 60 are pulverized by primary and secondary shearing of the object to be processed in one grinding stroke.

4. Important uses of the invention

Grinders and grinding blades used in this grinder

Description

Grinder and grinding blade used here

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pulverizer for crushing resin waste such as a runner or rubber generated during resin molding such as injection molding into a particle state having a predetermined size, and a grinding blade used therein.

The present applicant first proposed a pulverizer for the purpose of crushing the resin waste and the like to an appropriate size, so that it can be reused appropriately (Japanese Patent Laid-Open No. 7-39776). This shredder does not shred resin using a rotating shredding blade like a conventional resin shredder, but engages a fixed blade having a shear blade and a movable blade to linearly reciprocate the movable blade. As described above, the method of shearing and pulverizing an object is different from the conventional resin crusher in terms of crushing.

The structure of the principal part of the grinder proposed before FIG. 10 is shown. In the drawing, reference numeral 10 denotes a rotary shredding blade for roughly preliminary shredding of the workpiece, and 12 denotes a fixed blade for shredding the grind matter between the rotary shredding blades 10. The rotary shredding blade 10 is mounted to face the opening in the main body 14, and the fixed blade 20a and the movable blade 20b for grinding are arranged in the lower part of the main body 14. The main body 14 is configured so that the lower side is gradually tightened, and the workpiece to be roughly crushed by the rotary crushing blade 10 falls onto the sliding surfaces of the fixed blade 20a and the movable blade 20b.

The fixed blade 20a and the movable blade 20b are members formed in the form of blocks, and are disposed with the sliding surface inclined so that the workpiece is introduced onto the sliding surface on which the shear blade is installed. The movable blade 20b is slid in contact with the lower side of the fixed blade 20a to pulverize the workpiece. 11, the structure of the fixed blade 20a and the movable blade 20b is shown. The fixed blade 20a and the movable blade 20b are pulverized by performing two shearing when the movable blade 20b reciprocates by one stroke. Therefore, the 1st shear blade tip part 22 and the 2nd shear blade tip part 24 are formed in the fixed blade 20a, and the 3rd shear blade tip part 26 and the 4th shear blade tip part 28 are provided in the movable blade 20b. ) Is formed.

The first shear blade tip 22 performs the first shear with the third shear blade tip 26, and the second shear blade 24 provides the second shear between the fourth shear blade tip 28. Do it. A plurality of these first to fourth shear tip ends 22, 24, 26, and 28 are formed in parallel at predetermined intervals as shown in the drawing. The spacing of these shear blades defines the particle size when grinding the workpiece. In addition, in the first shear blade tip portion 22, the inner end surface of the sliding surface and the inner surface of the protruding blade 29 protruding from the sliding surface become the blade surface. In addition, the second shear blade tip 24 has a blade face at the end face position, that is, at the same end position as that of the first shear blade tip 22, which is formed at a lower position toward the sliding surface.

12 (a) and 12 (b) show the workpiece 30 before the shear and the workpiece after the first shear. The primary shear is made by pressing the object 30 with the first shear knife tip 22 and the third shear knife tip 26. The site | part which the 3rd shear blade front-end | tip part 26 passed from the to-be-processed object by the primary shear is removed, and a processus | protrusion-shaped part remains in a to-be-processed object. At the secondary shear, the protrusions are sheared and removed, and the round bar-like to-be-processed object 30 remains as a semi-circular bar-shaped cross section. In this way, the grinding treatment is performed on each of the primary and secondary shears.

In addition, at the first shear, the pulverized product is pushed down together with the third shear blade tip portion 26 to be discharged. The secondary shear is discharged to the discharge hole 28a provided on the rear surface of the fourth shear blade tip portion 28. The mill is discharged. The discharge hole 28a is opened at the lower surface of the movable blade 20b, and the pulverized product falling into the discharge hole 28a is discharged through this opening hole.

Since the pulverizer grinds the object to be processed by the shearing action, the particle size of the crushed material can be made even, and the pulverized product pulverized the resin material can be appropriately reused as a water support material.

However, in the conventional pulverizer, the structure has the following problems.

That is, the object to be injected into the main body 14 is roughly crushed by the rotary grinding blade 10, and then dropped to the sliding surface position of the fixed blade 20a and the movable blade 20b to be crushed. There is a case where the grinding treatment is not carried out efficiently because it is not introduced to this grinding position and remains near the grinding position. When the resin material or the like is pulverized, the object to be processed may remain due to static electricity.

In addition, in the conventional mill, the movable blade 20b is driven through a cam mechanism by a drive motor which also serves as a rotary drive of the rotary shredding blade 10 to reciprocate the movable blade 20b. In Fig. 10, reference numeral 34 denotes a cam plate for supporting the movable blade 20b, and reference numeral 38 denotes an eccentric roller that engages with the window 36 provided on the cam plate 34. The eccentric roller is rotationally driven by the drive motor to reciprocally drive the cam plate 34. Thus, in the conventional crusher, since the movable blade 20b is driven through the cam mechanism, the structure becomes complicated and there is a problem that vibration and noise are likely to occur.

In the pulverizer, the fixed blade 20a and the movable blade 20b provided with the shear blade are used, but the shear blades provided on the fixed blade 20a and the movable blade 20b are formed in accordance with the particle size to be crushed. The fixed blade 20a and the movable blade 20b are obtained by paralleling a plurality of small blades of several mm. In order to form a plurality of such small blades by continuous joining, it is performed by electric discharge machining or the like, but there is a problem in that machining is difficult and manufacturing costs are required.

SUMMARY OF THE INVENTION The present invention has been made to solve these problems, and its object is to simplify the apparatus configuration and to make it more compact, and to prevent the object from remaining in the grinding position to ensure grinding. It is to provide a pulverizer and a crushing blade used for this, and to facilitate the production of the crushing blade.

1 is a front view showing the appearance of a grinder according to the present invention,

2 is a coarse thread showing the main structure of the grinder and the mounting structure of the drive motor

try,

3 shows the arrangement of the rotary grinding blade and the movable grinding blade in the grinder main body

Assembly perspective,

4 is an explanatory diagram showing a connection state between a drive motor and a movable grinding blade;

5 shows the rotation of the rotary grinding blade and the movable grinding blade in the grinder body.

Toothed cross section,

6 is an assembly perspective view showing the assembly structure of the movable grinding blade,

A side view of a seventh (a) shear blade,

Front view of the seventh (b) shearing blade,

8 is a front view of the fixed grinding blade,

9 is a side view of the fixed grinding blade,

10 is a mill body showing main components of a conventional example of a mill.

Section,

11 is a view showing the configuration of a conventional fixed grinding blade and a movable grinding blade

brightness,

12 (a) front view of a workpiece,

12 (b) is a front view of a state after the first shearing of the workpiece.

Explanation of symbols on the main parts of the drawing

10: rotary shredding blade 10a: axis

12: fixed blade 14: the body

20a: fixed blade 20b: movable blade

28a: discharge hole 34: cam plate

40: main body 46: drive motor

51: fixed side plate 52: motor mounting member

53, 54: movable side plate 53a, 54a: shaft

56 bottom plate 56a discharge hole

57: connecting gear 60: movable grinding blade

60a: axis 62: shear blade

62a: distal end of third shear blade

62b: front end of fourth shear blade

62c: groove 62d: stop

66: stop plate 70: fixed grinding blade

70a: front end of first shear blade

70b: tip end of second shear blade

80: relay gear 82: eccentric pin

84: link mechanism 86: swinging arm

The present invention has the following configuration in order to achieve the above object.

That is, a fixed rotary blade 10 for crushing the processing object put into the main body 40, and a plurality of small shear blades (70a, 70b) are arranged side by side below the rotary shredding blade (10) In the grinder provided with the grinding blade 70 and the movable grinding blade 60 which meshes with the fixed grinding blade 70 and grinds the workpiece roughly shredded by the rotary grinding blade 10, the movable grinding blade ( A drive mechanism for axially supporting the fixed grinding blade 70 to swing in a direction to move away from the fixed grinding blade 70, the drive mechanism for oscillating the movable grinding blade 60 in conjunction with the rotation of the rotary grinding blade (10) Characterized in that installed.

Accordingly, the vibration or noise can be effectively suppressed to enable the pulverization treatment, and the overall configuration of the pulverizer can be simplified, and it is possible to provide a more compact device without failure.

In addition, the drive mechanism includes a drive motor 46 for rotating the rotary shredding blade 10 and a converter mechanism for converting the rotational driving force of the drive motor 46 into the swinging motion of the movable grinding blade 60. It is characterized by having.

In addition, the transducer is driven by the drive motor 46, the eccentric pin 82 and the circular movement of the circumference, the eccentric pin 82 and the oscillation is provided in succession in the shaft (60a) of the movable grinding blade 60 It is characterized by having the link mechanism 84 which engages the arm 86. Thereby, the rocking motion of the movable grinding blade 60 can be changed suitably with the drive force of the drive motor 46.

Further, the knife tip passing position of the rotary crushing blade 10 is set near the grinding position by the fixed grinding blade 70 and the movable grinding blade 60, and the workpiece to remain on the grinding position is It is characterized in that the cutting by the rotary crushing blade (10). This prevents the workpiece from remaining in the grinding position, thereby enabling more efficient grinding.

In addition, the fixed grinding blade 70 has a first and second shear blade tip (70a, 70b), the movable grinding blade 60 has a third and fourth shear blade tip (62a), 62b ) By the first grinding blade of the fixed grinding blade 70 and the movable grinding blade 60, the first shear blade tip 70a and the third shear blade tip 62a It is characterized in that the shear is made, the secondary shear is made by the second shear blade tip portion 70b and the fourth shear blade tip portion 62b.

In addition, the movable grinding blade 60 is characterized in that a plurality of shear blades 62 are mounted in a row in parallel with the axis on the outer circumferential surface of the shear blade mounting portion 60b formed in a columnar shape. Accordingly, the pulverization action by the swinging motion is more efficiently performed.

In addition, the upper portion of the main body 40 is formed into a box-shaped opening, the rotary crushing blade 10 and the movable crushing blade 60 is driven with the fixed side plate 51 facing one side of the main body 40 Between the mounting member 52 of the motor, the shaft 10a of the rotary crushing blade 10 and the shaft 60a of the movable crushing blade 60 are axially supported in parallel in the up and down arrangement, and the main body 40 The opposite side of the other side is characterized by consisting of the movable side plate (53), 54 that can be opened and closed. Thereby, cleaning etc. in a main body can be made easy.

In addition, as the movable grinding blade 60 used for the grinder, a shear having the same shape in which the third shear blade tip portion 62a and the fourth shear blade tip portion 62b are provided in the shear blade mounting portion 60b, respectively. It is characterized in that the blade 62 is provided adjacent to each other in the same arrangement.

In addition, the side surface of the shear blade 62, the inner surface is formed with a groove (62c) formed in an arcuate surface to form a through hole for passing through the pulverized product that is engaged with the fixed grinding blade (70). Accordingly, the grinding in the swinging operation is smoothly performed.

In addition, by producing the shear blade 62 by powder injection molding, a shear blade 62 having a complicated shape can be easily obtained, and can be obtained as a shear blade 62 having desired durability.

(Example)

EMBODIMENT OF THE INVENTION Hereinafter, preferred embodiment of this invention is described.

1 shows the overall shape of a mill according to the invention. 40 is a main body of a grinder, 42 is a hopper which introduces a to-be-processed object into the main body 40, and 44 is a chute attached to the lower part of the main body 40. FIG. The object to be processed is introduced into the main body 40 from the upper hopper 42, pulverized in the main body 40, and falls downward from the chute 44. The chute 44 can be used as a mounting portion of a paper bag for storing granulated materials. Reference numeral 46 denotes a drive motor for pulverizing the workpiece. Reference numeral 48 denotes a support pillar that supports the main body 40, and 50 denotes a support leg.

2 shows the internal structure of the main body 40 and the installation structure of the drive motor 46 attached thereto. In the main body 40, as in the conventional example, the rotary grinding blade 10 for rough preliminary crushing of the workpiece and the grinding blade for crushing the pre-crushed workpiece are mounted. The grinding blade is disposed below the rotary grinding blade 10 as in the conventional example. The grinding operation by the grinding blade is basically the same as that by the conventional grinding blade. The drive motor 46 drives the rotary grinding blade 10 in conjunction with the rotary grinding blade 10 and simultaneously drives the movable grinding blade 60 in conjunction with the movable grinding blade 60.

In the conventional crusher, the movable grinding blade is linearly reciprocated by the cam mechanism, whereas in the pulverizer according to the present embodiment, the movable grinding blade is axially supported, and the movable grinding blade is pivoted about the axis to move the grinding blade forward and backward. It features. The movable grinding blade 60 meshes with the fixed grinding blade 70 to grind the workpiece.

3 shows the assembly arrangement of the rotary grinding blade 10 and the movable grinding blade 60 in the main body 40. The rotary shredding blade 10 is fixedly mounted with a plurality of shredding blades on the shaft 10a, and the movable grinding blade 60 has a small shear blade parallel to the axis on the outer surface of the shear blade mounting portion formed in a circumferential shape. A plurality of 62 pieces are connected in series and connected in series.

The rotary shredding blade 10 and the movable grinding blade 60 are sandwiched between the stationary side plate 51 and the motor mounting member 52 constituting opposite sides of the main body 40, and the shaft 10a and the shaft. (60a) are parallel, and the rotary grinding blade 10 is installed upward, and the movable grinding blade 60 is mounted downward.

Opposite side surfaces of the main body 40 are constituted by movable side plates 53 and 54. A fixed blade 12 engaged with the rotary shredding blade 10 is mounted on one movable side plate 53, and a fixed grinding blade engaged with the movable grinding blade 60 is mounted on the other movable side plate 54. 70) is mounted.

The movable side plates 53 and 54 are axially supported by the fixed side plate 51 and the motor mounting member 52 by shafts 53a and 54a provided at the lower end, and are mounted to be openable and openable. By allowing the movable side plates 53 and 54 to be opened and closed, it is easy to maintain and maintain the inside of the main body 40 or to observe the pulverization state of the workpiece. 55 in FIG. 2 is a manual knob for mounting the movable side plates 53 and 54. By operating the knob 55, it is possible to open and close the movable side plates 53 and 54 at any time. 56 in FIG. 3 is the bottom plate of the body 40. The bottom plate 56 is provided with a discharge hole 56a for passing the pulverized product.

In the crusher of the embodiment, the rotary crushing blade 10 and the movable crushing blade 60 are driven by one drive motor 46.

As shown in FIG. 2, the output shaft of the drive motor 46 is connected to the shaft 10a of the rotary shredding blade 10, thereby driving the rotary shredding blade 10 and rotating the drive grinding blade ( In connection with the shaft 60a of the 60, the movable grinding blade 60 can be oscillated and driven. In the same figure, reference numeral 57 denotes a connecting gear for linking the output shaft of the drive motor 46 and the movable grinding blade 60. Reference numerals 58 and 59 are connection sleeves connecting the output shaft of the drive motor 46 and the shaft 10a of the rotary shredding blade 10. The connecting sleeves 58 and 59 form gears on the outer circumferential surface, and mesh with the gears provided on the inner circumferential surface of the connecting gear 57 formed in the shape of donuts so that the output shaft of the driving motor 46 and the connecting gear ( 57).

The linkage between the connecting gear 57 and the movable grinding blade 60 is made through a converter mechanism for converting the rotational movement of the connecting gear 57 into the swinging movement of the movable grinding blade 60. The converter tool of the present embodiment engages the relay gear 80 with the connecting gear 57, and moves the movable grinding blade through the eccentric pin 82 and the link mechanism 84 provided at the eccentric position of the relay gear 80. The rocking arm 86 which is fixed to the shaft 60a of 60 and connected successively is connected.

4 shows a state in which the movable grinding blade 60 is shaken by these converter mechanisms. The rotational driving force of the connecting gear 57 is transmitted to the relay gear 80, and the eccentric pin 82 is circularly moved. The link mechanism 84 linked to the eccentric pin 82 converts the rotational movement of the eccentric pin 82 into the swinging motion of the swinging arm 86 so that the movable grinding blade 60 connected to the swinging arm 86 swings. Driven.

In the crusher of the embodiment, the number of teeth of the relay gear 80 is one-half the number of teeth of the connecting gear 57, and the movable grinding blade 60 reciprocates twice when the connecting gear 57 rotates once. To move. This is because the grinding operation is performed once every time the grinding blade installed in the rotary grinding blade 10 passes.

As in the present embodiment, when the output of the drive motor 46 is converted to the swinging motion of the movable grinding blade 60 and transmitted, the movable grinding blade 60 has a linear reciprocating motion as in the conventional example. Although not, the mechanism for driving the movable grinding blade 60 can be greatly simplified, and the operation of the movable grinding blade 60 can be smoothly performed. Since the linkage mechanism is simple, the apparatus can be compactly constructed, and since the operation is smooth, the vibration and noise during operation can be effectively suppressed.

5 shows the arrangement positional relationship of the rotary grinding blade 10, the movable grinding blade 60, the fixed grinding blade 70, and the like in the main body 40. As shown in FIG. As described above, in the main body 40, the rotary shredding blade 10 and the movable grinding blade 60 are arranged up and down with the axis in parallel. In the embodiment, the position where the blade surface of the rotary shredding blade 10 passes and the grinding processing position by the movable grinding blade 60 and the fixed grinding blade 70 are approached, and the object to be processed in the grinding processing is rotated by the rotary grinding blade. It arrange | positions so that it may be crushed again by (10).

In the conventional apparatus, when the workpiece is crushed, the workpiece remains in the vicinity of the grinding blade and the workpiece does not move to the grinding position. However, as in the present embodiment, the rotary grinding blade is moved near the grinding processing position. By passing through (10), it is possible to reliably transport the object to the pulverization position, thereby eliminating the problem that the object remains and the pulverization is not performed. In addition, in the case where the object to be processed cannot be crushed by the grinding blade, the workpiece can be crushed into a shape that is easy to be crushed by pushing the object to be crushed again by the rotary crushing blade 10 and the fixed blade 12. .

The movable grinding blade 60 oscillates in an arc motion, but the shape of the shear blade 62 provided on the movable grinding blade 60 is pulverized by the circular motion, so that it is exactly the same as the conventional grinding blade. The workpiece can be ground. The workpiece to be injected from the main body 14 is roughly crushed by the rotary crushing blade 10 and the fixed blade 12 in the main body 40 to fall below the main body 40, and the movable grinding blade 60 After being crushed by the fixed grinding blade 70, it falls downward from the discharge hole 56a of the bottom of the main body 40. The grinding action by the movable grinding blade 60 and the fixed grinding blade 70 is basically unchanged from the grinding action of the conventional example described above.

6 shows an assembly view of the movable grinding blade 60 used in the grinder of the present embodiment.

As described above, the shear blade 62 provided on the movable grinding blade 60 is formed by a small blade of about several millimeters in order to pulverize the workpiece to be small. Therefore, the production involves a lot of difficulties. In addition, since the movable grinding blade 60 of this embodiment oscillates and grind | pulverizes a to-be-processed object, it is necessary to form it into a curved surface, and it becomes extremely difficult to manufacture by the normal processing method processed by the electric discharge machining.

In the present embodiment, the movable grinding blade 60 is formed by continuously joining a plurality of shear blades 62 to assemble the shear blades 62 alone, and then, the shear blades 62 are combined. This is because the one that constitutes the movable grinding blade 60 can be manufactured easily and can be reliably manufactured.

7 (a) is a side view of the shear blade 62, and 7 (b) is a front view of the shear blade 62. FIG. The shearing blade 62 provided on the movable grinding blade 60 has a third shearing blade tip 62a and a fourth shearing blade tip 62b similarly to the movable blade 20b in the conventional example shown in FIG. . The third shear blade tip 62a acts on the primary shear of the workpiece, and the fourth shear blade tip 62b acts on the secondary shear.

In the first shear, the pulverized product is cut by the third shear blade tip 62a and falls, whereas in the second shear, the fourth shear blade tip 62b is formed by the second shear blade tip 70b of the fixed grinding blade 70. The grind is pushed towards the back. For this reason, it is necessary to form the through-hole which passes this grind | pulverized object in the shear knife 62. The groove 62c formed to cross the side of the shear blade 62 is for forming a passage hole for passing the pulverized product when the shear blade 62 is continuously joined. Since the movable grinding blade 60 swings in an arc shape as described above, the shear blade 62 of the movable grinding blade 60 and the shear blade of the fixed grinding blade 70 are in sliding contact with the arc surface. The inner surface of the groove 62c is formed on the circular arc surface so that the movable grinding blade 60 can slide and engage with the fixed grinding blade 70.

As shown in FIG. 6, the movable grinding blade 60 abuts the shear blades 62 above and fixes them to the shear blade mounting portion 60b. In the embodiment, the mounting groove 64 is formed on the outer surface of the shear blade mounting portion 60b, and the locking plate 66 which stops the shear blade 62 reversely is fitted to the mounting groove 64 to be fixed. . The shearing blade 62 is provided with a stopping portion 62d for fixing to the stopping plate 66, and after the shearing blade 62 is mounted adjacent to the stopping plate 66, the shearing blade mounting portion ( 60b) to fix the stop plate 66 by screwing it. In this way, the movable grinding blade 60 in which the plurality of shear blades 62 are fixed in parallel with the axis is obtained.

The shear blade 62 is more complicated in structure than the shear blade used in the conventional movable grinding blade. When only the shear blade 62 is manufactured in another process, it is possible to process by electric discharge machining or the like. However, in the present embodiment, the shear blade produced by powder injection molding in order to obtain the shear blade 62 more efficiently ( 62). In the case of powder injection molding, even a very complicated shape can be easily produced, and therefore, it is suitable for the production of the shear blade 62 as used in the movable grinding blade 60. In addition, since the pulverizer of the present embodiment is mainly used for crushing the resin waste, the strength of the shear blade 62 does not need to be as high as that of the pulverized metal waste, and the shear blades produced by powder injection molding ( 62), sufficient durability can be obtained.

In addition, since the movable grinding blade 60 is configured by combining the individual shearing blades 62 in its configuration, the movable grinding blade 60 is inspected before and after the shearing blade 62 in advance and operated only with the shearing blade 62 of good quality. By configuring the grinding blade 60, it becomes possible to provide it as a highly reliable product. In addition, the movable grinding blade 60 sets the size according to the processing capacity, but in this case, if the shear blade 62 of the same shape is prepared, the movable grinding blade 60 can be adapted to other kinds of products simply by changing the number of installation of the shear blade 62. Can be. In order to increase the processing capacity, a large movable grinding blade 60 capable of installing more shear blades 62 may be used.

8 is a front view of the fixed grinding blade 70 engaged with the movable grinding blade 60, and FIG. 9 is a side view. The fixed grinding blade 70 has a first shear blade tip portion 70a and a second shear blade tip portion 70b for engaging the movable grinding blade 60 with each of the shear blades 62 to grind the workpiece. The first shear blade tip portion 70a is a portion formed in the concave portion in a front view from the portion engaged with the third shear blade tip portion 62a of the movable grinding blade 60. The second shear blade tip portion 70b is a portion formed in the convex portion in a state viewed from the side from the portion engaged with the fourth shear blade tip portion 62b. Further, the first shear blade tip 70a and the second shear blade tip 70b are also formed so as not to interfere with the blade surface so as to shear by the swing of the movable grinding blade 60.

In addition, since the fixed grinding blade 70 does not have the same complicated shape as the movable grinding blade 60, in the embodiment, the fixed grinding blade 70 is formed by processing the block body integrally.

According to the pulverizer according to the present invention, as described above, the movable pulverization blade for pulverizing the workpiece in cooperation with the fixed pulverization blade is supported on the shaft so that the pulverizing drive can be performed, thereby enabling the pulverization treatment to effectively suppress vibration or noise. In addition, the configuration in connection with the drive motor for driving the rotary shredding blade can be simplified, and it is possible to provide a more compact device without failure. In addition, since the rotary crushing blade and the pulverizing treatment part are disposed close to each other, it is possible to prevent the object from remaining in the pulverizing treatment part and to make the pulverizing treatment more reliably possible.

In addition, the grinding blade according to the present invention exhibits a remarkable effect such as being suitably applied as a grinding blade used in a grinder requiring a complicated shape.

Claims (10)

Rotating blade 10 for crushing the object to be injected into the main body 40, and fixed grinding blades provided with a plurality of small shear blades (70a, 70b) side by side below the rotary shredding blade (10) In the grinder provided with the movable grinding blade 60 which engages with the 70 and this fixed grinding blade 70, and grinds the to-be-processed object roughly shredded by the said rotary grinding blade 10, The movable grinding blade 60 is axially supported so as to be able to swing in a direction in which the movable grinding blade 60 approaches and leaves the fixed grinding blade 70. And a drive mechanism for oscillating the movable grinding blade (60) in conjunction with the rotation of the rotary grinding blade (10). 2. The driving mechanism according to claim 1, wherein the driving mechanism converts the rotational driving force of the driving motor 46 and the driving motor 46 into rotational motion of the movable grinding blade 60. The grinder having a converter mechanism to make. 3. The transducer tool according to claim 2, wherein the transducer mechanism is driven by the drive motor 46 to circumferentially move, and to the eccentric pin 82 and the shaft 60a of the movable grinding blade 60. A crusher, characterized in that it has a link mechanism (84) for linking the swinging arm (86) to be installed successively. 2. A position according to claim 1, wherein a position where the blade tip of the rotary crushing blade 10 passes is set near the crushing position by the fixed crushing blade 70 and the movable crushing blade 60. A grinder characterized in that the object to be retained can be crushed by the rotary crushing blade (10). The fixed grinding blade 70 of claim 1, wherein the fixed grinding blade 70 has first and second shear blade tips 70a and 70b, and the movable grinding blade 70 and the third and fourth shear blade tips 62a. ) And (62b), and by the one grinding stroke of the fixed grinding blade 70 and the movable grinding blade 60, the first shear blade tip portion 70a and the third shear blade tip portion 62a. The first shear is made, and the second shear is made by the second shear blade tip portion (70b) and the fourth shear blade tip portion (62b). 6. The movable grinding blade (60) is characterized in that a plurality of shear blades (62) are mounted in a row in parallel with an axis on the outer circumferential surface of the shear blade mounting portion (60b) formed in a cylindrical shape. Grinder. According to claim 1, wherein the main body 40 is formed in a box shape of the upper opening, The rotary shredding blade 10 and the movable grinding blade 60 of the rotary shredding blade 10 are disposed between the fixed side plate 51 facing one side of the main body 40 and the mounting member 52 of the driving motor. The shaft 10a and the shaft 60a of the movable grinding blade 60 are axially supported in parallel in up and down arrangement, And the opposite side of the main body (40) is constituted by movable side plates (53, 54) capable of opening and closing. As the movable grinding blade 60 used for the grinder according to claim 6, The shear blade mounting portion 60b is formed by adjoining the same shape of the shear blades 62 having the third shear blade tip portion 62a and the fourth shear blade tip portion 62b, respectively, in the same arrangement. Grinding blade for use in grinders. The groove 62c of claim 8, wherein an inner surface is formed on an arcuate surface so as to form a passage hole through which the pulverized product which is engaged with the fixed grinding blade 70 passes through the side of the shear blade 62. Grinding blade for use in the grinder characterized in that. 10. The grinding blade according to claim 9, wherein the shear blade (62) is made by powder injection molding.

Images