JP2003340303A - Crusher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a crusher which prevents the winding of various flexible materials such as broken pieces of a vinyl sheet, a tent or the like and the discharge of long matters, and can exhibit a stable crushing treatment capacity over a long period of time. <P>SOLUTION: Rotary blades 41a of a high speed rotary rotor and the rotary blades 51a of a low speed rotary rotor are opposed and arranged alternately, and the blades 43 with wings of the rotary blades of the high speed rotary rotor and the blades 5 with wings of the rotary blades of the low speed rotary rotor are oppositely arranged to be meshed and arranged in an axially overlapped and non-contact state. The high and low speed rotary rotors are rotated and driven in a positional relation preventing the mutual interference of the respective blades with the wings. When the blades with the wings of the rotary blades of the high speed rotary roller and the blades with the wings of the rotary blades of the low speed rotary roller approach each other, a material to be crushed and treated is compressed and, when they are spaced apart from each other, the material to the crushed and treated is repeatedly compressed and pulled. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a crushing device for crushing and treating wastes including various vinyl sheets and tents, and particularly to various kinds of crushed vinyl sheets and tents when crushing. It was devised to prevent the flexible material pieces from being discharged in a long shape due to insufficient crushing, and to prevent the processing performance from being deteriorated due to wrapping. Regarding things.

[0002]

2. Description of the Related Art As a crushing device, particularly a biaxial crushing device, for example, JP-A-1-270950, JP-B-4-5502, JP-A-4-114750,
JP-A-7-251094, JP-A 2000-117
No. 133, No. 51-71556, No. 62-14455, No. 5-56247, No. EP0037036, USP40334918.
Some of them are disclosed in Japanese Patent Publications.

[0003]

The above-mentioned conventional structure has the following problems. That is, in the case of a conventional biaxial crushing device, various pieces of flexible material such as vinyl sheet shards and tent shards are discharged in a long shape because the smashing is insufficient during crushing. There was a problem. Further, there is a problem that the above-mentioned various flexible material pieces having a long shape are wrapped around, and thereby the processing performance is deteriorated. In addition, a screen is usually provided in the lower part of the crushing device, and the crushed object to be crushed is dropped and discharged through this screen. There was also the problem of clogging.

The present invention has been made on the basis of the above-mentioned points, and the object thereof is that various pieces of flexible material such as pieces of a vinyl sheet or pieces of a tent are discharged or wrapped around during crushing. Another object of the present invention is to provide a crushing device capable of preventing the occurrence of damage and thereby maintaining and exhibiting stable crushing treatment performance for a long period of time.

[0005]

In order to achieve the above object, a crushing device according to claim 1 of the present invention comprises a casing,
A high-speed rotating rotor arranged in the casing, a low-speed rotating rotor arranged in the casing in parallel with the high-speed rotating rotor and rotating at a low speed with respect to the high-speed rotating rotor at a predetermined speed ratio; A plurality of high-speed rotating rotor side rotary blades provided on the rotating rotor and provided with a plurality of bladed blade portions at equal intervals in the circumferential direction, and a plurality of bladed blade portions provided on the low-speed rotating rotor in the circumferential direction. A plurality of low-speed rotation rotor-side rotary blades provided at equal intervals, wherein the high-speed rotation rotor-side rotation blade and the low-speed rotation-rotor-side rotation blade are alternately arranged and opposed to each other. The winged blades of the high-speed rotating rotor side rotary blades and the winged blades of the low-speed rotating rotor side rotary blades are meshed and arranged in a non-contact state with the respective blades overlapping in the axial direction. Rotor and low speed rotor The blades with blades of the high-speed rotor side rotor blades and the blades with blades of the low-speed rotor side rotor blades approach each other by rotating and driving the blades with their positional relationship so that they do not interfere with each other. The object to be crushed is compressed at the same time, and the objects to be crushed are pulled when they are separated from each other, and the compression and tension are repeatedly applied. The crushing device according to claim 2 is the crushing device according to claim 1, wherein the number of bladed blade portions of the rotary blade on the high-speed rotating rotor side and the bladed blade portions of the low-speed rotating rotor side is the predetermined speed ratio. It is characterized by being set by the reciprocal of. The crushing device according to claim 3 is
The crushing device according to claim 1 or 2, wherein a groove is formed on an outer peripheral side of either or both of the blade-attached blade portion of the high-speed rotating rotor-side rotary blade and the blade-attached blade portion of the low-speed rotating rotor-side rotary blade. On the other hand, on the other hand, a fixed blade that engages with the groove is provided on the inner peripheral surface of the casing, and the crushed object to be wrapped around is removed by the fixed blade. To do. A crushing device according to a fourth aspect is the crushing device according to any one of the first to third aspects, wherein the casing side is located between the high-speed rotating rotor-side rotating blades and between the low-speed rotor-side rotating blades. A fixed blade is provided between the fixed blades, and the fixed blades are configured to remove the crushed objects that are wound between the high-speed rotating rotor-side rotating blades and between the low-speed rotor-side rotating blades. To do.

That is, the crushing device according to the present invention has a casing, a high-speed rotating rotor arranged in the casing, a high-speed rotating rotor arranged in the casing in parallel with the high-speed rotating rotor, and has a predetermined size with respect to the high-speed rotating rotor. A low-speed rotating rotor that rotates at a low speed ratio, a plurality of high-speed rotating rotor-side rotating blades provided on the high-speed rotating rotor and provided with a plurality of bladed blade portions at equal intervals in the circumferential direction, and the low-speed rotating A plurality of low-speed rotating rotor-side rotating blades provided on the rotor and provided with a plurality of bladed blade portions at equal intervals in the circumferential direction, wherein the high-speed rotating rotor-side rotating blade and the low-speed rotating-rotor-side rotating blade are A state where the blades of the high-speed rotor side rotary blade and the blades of the low-speed rotor side rotor blade that are opposed to each other and are arranged alternately are overlapped in the axial direction. Non-contact with Blades of the rotary blade on the side of the high-speed rotating rotor are rotated and driven such that the high-speed rotor and the low-speed rotor are positioned so that the blades of the blades do not interfere with each other. Section and the blade portion of the rotary blade on the low-speed rotating rotor side compress the object to be crushed when they approach each other, and pull the object to be crushed when they separate from each other, and repeatedly apply the compression and tension. Since this is done, it is possible to perform efficient crushing processing while preventing discharge of various flexible material pieces such as vinyl pieces and tent pieces in the long shape and wrapping around the rotor. At that time, a groove is formed on the outer peripheral side of each blade with blades, while a fixed blade that engages with the groove is provided on the inner peripheral surface of the casing, and the crushable object wound by the fixed blade is It may be configured to be removed. Further, fixed blades are installed between the casing side and the high-speed rotating rotor side rotary blades, and between the low-speed rotor side rotary blades, or both, and the fixed blades are provided between the high-speed rotary rotor side rotary blades. Also, it is conceivable to remove the crushed object wound between the rotary blades on the low-speed rotor side.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to FIGS. First, casing 1
2 and FIG. 3 are provided on the upper end side of the casing 1.
The opening 3 is formed as shown in FIG. The opening 3 is connected to a hopper 5 for receiving the crushed material for receiving the crushed material. Further, as shown in FIGS. 2 and 3, a crushed object dropping / discharging chute 7 for dropping / discharging the crushed object to be crushed is attached to the lower end side of the casing 1. Further, on the inner peripheral side of the casing 1, brackets 9 are projected and arranged from a plurality of positions on both sides (the upper side and the lower side in FIG. 1), and the plurality of brackets 9 constitute a relatively rough screen portion. At the same time, the lower end portion thereof is a lower fixed blade 11 as shown in FIG.

A high-speed rotating rotor 2 is provided in the casing 1.
1 is rotatably arranged, and the low-speed rotating rotor 23 is arranged in parallel to the high-speed rotating rotor 21 in a rotatable state. The high-speed rotating rotor 21 is
As shown in FIG. 1, both ends thereof are rotatably supported by bearing members 25 and 27. Further, one end of the high-speed rotation rotor 21 penetrates the bearing member 27 and extends to the outside of the casing 1 and is connected to the rotation transmission portion 29. The rotation from the drive motor 31 is transmitted to the rotation transmitting portion 29. Therefore, by driving the drive motor 31, the high-speed rotation rotor 21 is rotationally driven in the direction indicated by the arrow a in FIG. 3 via the rotation transmission unit 29.

Further, as shown in FIGS. 1 and 2, a gear 33 having a relatively small diameter is fixed to the high speed rotating rotor 21, while another relatively large diameter gear 33 is fixed to the low speed rotating rotor 23 side. The gear 35 is fixed. The gear 35 meshes with the gear 33. Therefore, as shown in FIG. 3, the low-speed rotation rotor 23 is driven to rotate in the direction indicated by the arrow a, so that the low-speed rotation rotor 23 is indicated by the arrow b in the figure. The motor rotates in a decelerated state at a predetermined speed ratio (speed ratio determined by the gear ratio of the gears 33 and 35) in the direction shown. Incidentally, in the case of this embodiment, the speed ratio between the high-speed rotating rotor 21 and the low-speed rotating rotor 23 is "2: 1". As shown in FIGS. 1 and 2, the low-speed rotating rotor 23 is also rotatably supported at its both ends by bearing members 37 and 39.

The high-speed rotating rotor 21 is composed of a plurality of sheets (4 in this embodiment, as shown in FIG. 5).
High speed rotating rotor side rotary blades 41a, 41b, 41
c and 41d are attached and fixed at a predetermined pitch.
As shown in FIG. 6A, the high-speed rotating rotor side rotary blade 41a includes three bladed blade portions 43 protruding and arranged in three radial directions. Then, as shown in FIG. 5, the blade portions 4 are provided on both sides in the axial direction of these three blade portions 43 with blades.
5, 45 are attached and fixed. A groove 47 is formed on the outer peripheral surface side of the wing portion 45.

Further, the remaining three high-speed rotating rotor side rotary blades 41b, 41 other than the high-speed rotating rotor side rotary blade 41a.
Although c and 41d have the same structure, as shown in FIG. 5, when they are attached to the high-speed rotation rotor 21,
It is attached in a state in which leads of “10 °” are provided. 6 and 7 are views showing the states of the high-speed rotation rotor-side rotary blades 41a to 41d at arbitrary timings. FIG. 6A shows the high-speed rotation rotor-side rotary blade 41a at the “0 °” reference position. Fig. 6 (b) shows "-10 °".
7 shows the high speed rotating rotor side rotary blade 41b in the position shown in FIG.
(A) High-speed rotating rotor-side rotary blade 4 at the "-20 °" position
1c, and FIG. 7B shows the high-speed rotation rotor-side rotary blade 41d at the “−30 °” position.

Next, the low-speed rotating rotor 23 is shown in FIG.
As also shown in the figure, a plurality of (four in the present embodiment, the same number as the high speed rotating rotor 21 side) low speed rotating rotor side rotary blades 51a, 51b, 51c, 51d are attached at a predetermined pitch.・ It is fixed. As shown in FIG. 9A, the low-speed rotation rotor-side rotary blade 51a is provided with six bladed blade portions 53 protruding and arranged in six radial directions. Then, as shown in FIG. 8, blades 55, 55 are attached and fixed on both axial sides of these six bladed blade portions 53. A groove 57 is formed on the outer peripheral surface side of the blade portion 55.

In addition, the remaining three low-speed rotating rotor-side rotary blades 51b, 51 other than the low-speed rotating rotor-side rotary blade 51a.
Although c and 51d also have the same structure, as shown in FIG. 8, when they are attached to the low-speed rotation rotor 23, they are attached with leads of "5 °" each provided in the circumferential direction. 9 and 10 are views showing the states of the low-speed rotation rotor-side rotary blades 51a to 51d at arbitrary timings. FIG. 9A shows the low-speed rotation rotor-side rotary blade 51a at the "0 °" reference position. As shown in FIG.
1 shows the low speed rotor side rotary blade 51b in the “°” position, and FIG.
Low speed rotor side rotary blade 5 with 0 (a) at "10 °" position
1c, and FIG. 10B shows the low-speed rotating rotor-side rotary blade 51d at the “15 °” position.

Looking at the inner peripheral surface of the casing 1,
A plurality of fixed blades 61 are attached and fixed thereto.
The plurality of fixed blades 61 enter the groove 47 of the blade portion 45 of the high-speed rotation rotor side rotary blades 41a to 41d and the groove portion 57 of the blade portion 55 of the low-speed rotation rotor side rotation blades 51a to 51d, which have already been described. By this, the scraps of the vinyl sheet, tent, etc. about to be wrapped around the wings 45, 47 are to be removed.

Further, separate fixed blades 71, 71 are attached and fixed to both sides of the above-mentioned plurality of brackets 9, respectively. Further, similar fixed blades 71 are attached and fixed to the inner surfaces of the casing 1 at both axial ends. These fixed blades 71 are the high-speed rotating rotor side rotary blades 4 described above.
1a to 41d blades 45 and low-speed rotating rotor side rotary blade 5
The blades 1a to 51d are arranged inside the wing portion 55.
The fixed blades 71 serve to remove scraps of vinyl sheets, tents, etc., which are to be wrapped around the blades 55 of the low-speed rotor-side rotary blades 51a to 51d.

Now, the high-speed rotating rotor side rotary blades 41a-4
The relationship between 1d and the low-speed rotation rotor-side rotary blades 51a to 51d will be described in more detail. First, in the case of this embodiment, as described above, the speed ratio between the high-speed rotating rotor 21 and the low-speed rotating rotor 23 is set to "2: 1". Further, the number of bladed blade portions 43, 53 in each of the high-speed rotating rotor side rotary blades 41a to 41d and the low-speed rotating rotor side rotary blades 51a to 51d is set to the reciprocal "1: 2" of the speed ratio "2: 1". Is set to. That is, the blades 45 of the high-speed rotation rotor-side rotary blades 41a to 41d are three, while the blades of the low-speed rotation rotor-side rotary blades 51a to 51d are set to six. Then, the high-speed rotating rotor side rotary blades 41a to 41d and the low-speed rotating rotor side rotary blade 5
1a to 51d have a predetermined positional relationship, that is, the blade portions 45 of the blades 43 and 53 of the high-speed rotation rotor-side rotary blades 41a to 41d and the low-speed rotation rotor-side rotary blades 51a to 51d, respectively, which are opposed and arranged. By setting and rotating the blades 55 in a state of meshing and arranging in a non-contact manner in a state where they are superposed in the axial direction, the blade portions 45 and 55 provided on the blade portions 43 and 553 of the blades are mutually reciprocated. Without interfering with
In addition, it is possible to rotate while engaging with each other in a non-contact state.

The operation will be described based on the above configuration. First, regarding the basic operation, in a state where the high speed rotation rotor 21 and the low speed rotation rotor 23 are rotated at a predetermined rotation speed,
The crushed object is received via the hopper 5 for receiving the crushed object. The received object to be crushed is crushed by the interaction between the rotating high-speed rotating rotor-side rotary blades 41a to 41d and the low-speed rotating rotor-side rotary blades 51a to 51d, and the screen portion composed of the plurality of brackets 9 is crushed. And, it is dropped and discharged through the chute 7 for discharging the crushed material.

The above-mentioned rotary blades 41a to 41 of the high-speed rotary rotor
The crushing due to the interaction between d and the low-speed rotation rotor side rotary blades 51a to 51d will be described in detail. FIG. 4 shows the interaction between the high-speed rotation rotor side rotary blades 41a to 41d and the low speed rotation rotor side rotary blades 51a to 51d as "-10 °" and "-2".
It is shown at the positions of “0 °” and “−30 °”.
First, at a position of "0 °" (not shown), the blade portion 45 of the blade blade portion 43 on the high speed rotor side rotary blade 41a side and the blade portion 55 of the blade blade portion 53 on the low speed rotor side rotary blade 51a side are not arranged. It has begun to mesh in the state of contact.

At that time, at the position of "-10 °", as shown in FIG.
As shown in (a), the blade portion 45 of the blade portion 43 on the high-speed rotation rotor side rotary blade 41b side and the low-speed rotation rotor side rotary blade 5
The blade portion 55 of the bladed blade portion 53 on the 1b side is in a non-contact state and is in a closer state. Then, as shown in FIG. 4B, the blade portion 45 of the blade blade portion 43 on the high-speed rotor side rotary blade 41c side and the blade portion 55 of the blade blade portion 53 on the low-speed rotor side rotary blade 51c side are disposed. It is in a state in which it is closer and still in a non-contact state. At that time, the blade portion 45 of the blade portion 43 on the high-speed rotor side rotary blade 41d side and the low-speed rotor rotor side rotary blade 51.
The blade portions 55 of the blade portion 53 on the d side are in a state of being separated from each other, as shown in FIG. 4 (c).

4A to 4C show the relationship between the high-speed rotating rotor side rotary blades 41a to 41d and the low-speed rotating rotor side rotary blades 51a to 51d at any timing, one high speed Focusing on the rotary rotor side rotary blade 41a and the low speed rotary rotor side rotary blade 51a, FIG.
(A)-(c) will be changed to the state shown in order. That is, as the high-speed rotating rotor 21 and the low-speed rotating rotor 23 rotate, the blade portion 45 of the blade-equipped blade portion 43 on the high-speed rotating rotor side rotary blade 41a side and the blade-equipped blade portion 53 on the low-speed rotation rotor side rotary blade 51a side. The wings 55 of each of them will gradually come closer to each other and thereby mesh with each other, whereby
The material to be crushed will be compressed. Then, after such compression is performed, the blade portions 45 of the blade blade portion 43 on the high-speed rotation rotor side rotary blade 41a side and the blade blade blade portion 53 on the low-speed rotation rotor side rotary blade 51a side are reversed. The wings 55 move away from each other, thereby pulling the object to be crushed. Then, the object to be crushed is efficiently crushed by repeatedly performing such compression and tension. Further, such an action has the effect that the high-speed rotating rotor side rotary blades 41a to 41d and the low-speed rotating rotor side rotary blade 51a to
It is sequentially performed during 51d.

Further, the high-speed rotary rotor side rotary blades 41a to 41
d bladed blade portion 43 and low-speed rotating rotor-side rotating blade 51a to
The fixed blade 61 effectively scrapes off a vinyl piece or the like which is about to be wound around the bladed blade portion 53 of the blade 51d. That is, the groove 47 of the blade portion 45 of the blade blade portion 43 of the high-speed rotation rotor side rotary blades 41a to 41d and the low-speed rotation rotor side rotary blade 51.
The fixed blade 61 is inserted into the groove 57 of the blade portion 55 of the blade blade portion 53 of a to 51d, whereby the blade blade portion 45 of the high speed rotation rotor side rotary blades 41a to 41d and the low speed rotation rotor side rotation blade 51a. It is possible to scrape out a vinyl piece or the like to be wrapped around the bladed blade portion 55 of 51d.

Similarly, the high speed rotating rotor side rotary blades 41a ...
The fixed blade 71 effectively prevents the vinyl piece or the like to be wrapped around the blade portion 45 of the blade blade portion 43 of 41d and the blade portion 55 of the blade blade portion 53 of the low-speed rotor side rotary blades 51a to 51d. Be scraped off. That is, since the fixed blade 71 is located between the high-speed rotation rotor-side rotation blades 41a to 41d and between each blade 45 and the high-speed rotation rotor 21, a vinyl piece or the like wound around it is effective. Can be removed. Similarly, the fixed blade 71 on the low-speed rotation rotor 23 side is the low-speed rotation rotor-side rotation blade 51a.
51d between each blade 55 and the low-speed rotor 2
Since it is located between 3 and 3, it is possible to effectively remove the vinyl pieces and the like wrapped around it.

As described above, according to this embodiment, the following effects can be obtained. First, the object to be crushed can be effectively crushed by preventing wrapping of vinyl pieces and the like. This is the high-speed rotation rotor side rotary blades 41a to 41.
d and the low-speed rotation rotor-side rotary blades 51a to 51d are rotated so that the blade portions 45 and 55 of the blade blade portions 43 and 53 mesh with each other in a non-contact state, and the blade blade portions 43 and 53 of each other are rotated. This is because the wing portions 45 and 55 of the slab repeatedly apply compression and tension to the material to be crushed, thereby efficiently crushing the soft plastic film etc. and discharging them in their long shape. This is because it is prevented. In addition, the fixed blade 61 effectively applies a vinyl piece or the like to be wound around the bladed blade portion 43 of the high-speed rotation rotor side rotary blades 41a to 41d and the bladed blade portion 53 of the low-speed rotation rotor side rotation blades 51a to 51d. Can be scraped. Further, the high-speed rotary rotor side rotary blades 41a ...
The fixed blade 71 effectively causes vinyl pieces or the like to be wrapped around the blade portion 45 of the blade blade portion 43 of 41d and the blade portion 55 of the blade blade portion 53 of the low-speed rotation rotor side rotary blades 51a to 51d. Can be scraped. And, as a whole, the wrapping of vinyl pieces or the like can be prevented and the crushing treatment efficiency can be improved.

The present invention is not limited to the above-mentioned one embodiment. First, regarding the speed ratio between the high-speed rotation rotor and the low-speed rotation rotor, the case where this is set to “2: 1” has been described as an example in the above-described one embodiment. , Various ratios such as “4: 1” are assumed. Further, in that case, the number ratio of the bladed blade portion of the high-speed rotating rotor side rotary blade to the bladed blade portion of the low-speed rotor side rotary blade is also changed accordingly. Further, even if the speed ratio is the same, it is assumed that the number of bladed blades of the high-speed rotating rotor side rotary blade and the number of bladed blades of the low-speed rotor side rotary blade are varied. Further, in the above-mentioned one embodiment, the high-speed rotating rotor side rotary blade and the low-speed rotating rotor side rotary blade are each set to four, but the number may be set arbitrarily. Further, in the above-described one embodiment, the number of high-speed rotating rotor side rotary blades is the same as the number of low-speed rotating rotor side rotary blades, but is not limited thereto.
For example, set the number of low-speed rotating rotor side rotary blades one more than the number of high-speed rotating rotor side rotary blades, or conversely,
It is also possible to set one less. The illustrated configurations of the other units are merely examples.

[0025]

As described above in detail, according to the crushing apparatus of the present invention, the high-speed rotating rotor side rotary blade and the low speed rotating rotor side rotary blade are arranged to face each other, and the blade portions of the bladed blade portions are axially arranged. In the state where they are superposed in the same direction, they are arranged so as to mesh with each other in a non-contact manner and rotated, and the blades of the blades with mutual blades repeatedly apply compression and tension to the material to be crushed. It has become possible to efficiently crush various flexible material pieces such as vinyl pieces and tent pieces while preventing them from being ejected in a long shape or wrapped around the rotor. Further, a groove is formed on the outer peripheral side of each blade with blades, while a fixed blade that engages with the groove is provided on the inner peripheral surface of the casing to remove the crushed object wound by the fixed blade. In such a case, the fixed blade can effectively scrape the vinyl piece or the like to be wrapped around the blade part of the high-speed rotor side rotary blade and the blade part of the low-speed rotor side rotary blade. You can Further, fixed blades are installed between the high-speed rotating rotor-side rotating blades and between the low-speed rotor-side rotating blades from the casing side, and the fixed blades rotate between the high-speed rotating rotor-side rotating blades and the low-speed rotor-side rotating blades. When configured to remove the crushed material that winds between the blades, the blades of the blades of the rotary blade on the high-speed rotor side and the blades of the blade of the rotary blade on the low-speed rotor side The fixed blade can effectively scrape vinyl pieces or the like to be wrapped around inside.

[Brief description of drawings]

FIG. 1 is a view showing an embodiment of the present invention, and is a plan view showing an overall configuration of a crushing device.

FIG. 2 is a view showing an embodiment of the present invention, which is II in FIG.
-II is a sectional view.

FIG. 3 is a view showing an embodiment of the present invention, which is II in FIG.
It is an I-III sectional view.

FIG. 4 is a view showing an embodiment of the present invention, showing a relationship between a high-speed rotating rotor-side rotating blade and a low-speed rotating rotor-side rotating blade, and FIG. 4 (a) is at a position of “-10 °”. FIG. 4B shows the relationship at the position of “−20 °”, and FIG. 4C shows the relationship at the position of “−30 °”.

FIG. 5 is a view showing an embodiment of the present invention and is a front view showing a configuration on a high-speed rotation rotor side.

FIG. 6 is a view showing an embodiment of the present invention, showing a structure of a rotary blade on a high-speed rotation rotor side, and FIG. 6 (a) is “0 °”.
6B shows the state at the position of, and FIG.
The state at the position of is shown.

FIG. 7 is a view showing an embodiment of the present invention, showing a structure of a rotary blade on a high-speed rotation rotor side, and FIG.
7B shows a state at a position of "°", and FIG.
The state at the position of "°" is shown.

FIG. 8 is a view showing an embodiment of the present invention and is a front view showing a configuration on a low-speed rotation rotor side.

FIG. 9 is a view showing an embodiment of the present invention, showing a structure of a low-speed rotation rotor side rotary blade, and FIG. 9A is “0 °”.
9B, and FIG. 9B shows the state at the position of "5 °".

FIG. 10 is a view showing an embodiment of the present invention, showing the structure of a low-speed rotating rotor side rotary blade, and FIG.
The state at the position of "0 °" is shown in FIG.
The state at the position of "5 °" is shown.

[Explanation of symbols]

1 casing 21 High-speed rotating rotor 23 Low speed rotor 41a-41d High speed rotating rotor side rotary blade 43 Blade with blade 45 wings 47 groove 51a to 51d High-speed rotating rotor side rotary blade 53 Blade with blade 55 wings 57 Groove 61 fixed blade 71 fixed blade

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Minoru Iwasaki             1357 Temporary lodging in Fujieda City, Shizuoka Prefecture             In the company F-term (reference) 4D065 CA16 CB02 CC01 CC08 DD08                       EB14 EC07

Claims (4)

[Claims] 1. A casing, a high-speed rotating rotor arranged in the casing, a low-speed rotating rotor arranged in the casing parallel to the high-speed rotating rotor at a predetermined speed ratio with respect to the high-speed rotating rotor. A low-speed rotating rotor, a plurality of high-speed rotating rotor-side rotating blades provided on the high-speed rotating rotor and provided with a plurality of bladed blade portions at equal intervals in the circumferential direction, and a plurality of low-speed rotating rotors. A plurality of low-speed rotating rotor-side rotating blades provided with blade portions at equal intervals in the circumferential direction, wherein the high-speed rotating rotor-side rotating blade and the low-speed rotating-rotor-side rotating blade are alternately arranged facing each other. Then, the bladed blades of the high-speed rotor side rotary blades and the bladed blades of the low-speed rotor side rotor blades, which are opposed to each other, are meshed with each other in a non-contact state in a state where the respective blades are overlapped in the axial direction. Has been placed and fast above times The rotating rotor and the low-speed rotating rotor are rotated and driven in a positional relationship such that the blades of the blades of the respective blades do not interfere with each other, and the blades of the blades of the high-speed rotating rotor side rotary blade and the blades of the low-speed rotating rotor side rotary blade A crushing device characterized in that the crushed object is compressed when the knives come close to each other and the crushed object is pulled when the knives are separated from each other, and the compression and tension are repeatedly applied. . 2. The crushing device according to claim 1, wherein the number of bladed blade portions of the rotary blade on the high-speed rotating rotor side and the blade bladed portions of the low-speed rotating rotor side is set by an inverse number of the predetermined speed ratio. A crushing device characterized by being used. 3. The crushing device according to claim 1, wherein either or both of the blade portion of the high-speed rotating rotor-side rotary blade and the blade of the low-speed rotating rotor-side rotary blade have an outer peripheral side. On the other hand, a groove is formed on the inner surface of the casing, and a fixed blade that engages with the groove is provided on the inner peripheral surface of the casing to remove the crushed object to be wound by the fixed blade. A crushing device characterized in that 4. The crushing device according to any one of claims 1 to 3, wherein fixed blades are provided on the casing side between the high-speed rotating rotor-side rotating blades and between the low-speed rotor-side rotating blades. The crushing device is provided with the fixed blade, and the fixed blade removes the object to be crushed that is wound between the high-speed rotating rotor-side rotating blades and between the low-speed rotor-side rotating blades.