JP2004202365A - Crusher - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To engage/disengage an engaging part provided on a screen by an engaging/disengaging mechanism to/from an engaging part disposed on a crusher body, to take out or insert and guide the screen by a guide part via a take-out port, to efficiently perform cleaning, exchanging and maintenance work, to thereby enhance crushing work efficiency. <P>SOLUTION: A crushing chamber 2 is disposed in the crusher body 1, a crushing rotor 6 crushing a crushing object W is disposed in the crushing chamber 2, and the screen 8 is disposed along the lower outer periphery of the rotor 6 in the crusher body. The take-out port 9 of the screen is disposed in the crusher body, the engaging/disengaging part 11 engageable/disengageable to/from an engaging part 10 disposed in the crusher body is provided on the screen, and a mounting part 12 mountable on the crusher body is provided on the screen. The guide part 13 taking out and guiding the engaging/disengaging part is disposed in the crusher body. The engaging/disengaging mechanism 16 engaging/disengaging the engaging/disengaging part provided on the screen to/from the engaging part provided on the crusher body, is disposed on the crusher body. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to a crusher for cutting municipal waste such as paper and plastic, industrial waste, and the like into small pieces.
[0002]
[Prior art]
[0003]
JP-A-11-90258
Conventionally, as a crushing machine of this type, a crushing chamber is provided in a crushing machine, a crushing rotor capable of crushing a material to be crushed is provided in the crushing chamber, and a screen is provided along a lower outer peripheral surface of the crushing rotor. Is known.
[0005]
[Problems to be solved by the invention]
However, in the case of these conventional structures, in the cleaning work due to the clogging of the screen, the replacement work and the maintenance work, the work of taking out the screen is troublesome, and the cleaning work of the screen becomes difficult due to the heavy weight of the screen, There is a disadvantage that the efficiency of the crushing operation must be reduced.
[0006]
[Means for Solving the Problems]
An object of the present invention is to solve these problems, and among the present invention, the invention according to claim 1 arranges a crushing chamber in a crushing machine, and crushes an object to be crushed in the crushing chamber. A possible crushing rotor is provided, and a screen is provided along a lower outer peripheral surface of the crushing rotor. An outlet portion of the screen is provided in the crushing body, and the screen is provided in the crushing body. A disengageable engaging / disengaging portion is provided on the provided engaging portion, an attaching portion is provided on the screen, the attaching portion being attachable to the crushing machine body, and a guide portion capable of taking out and guiding the engaging / disengaging portion is provided on the crushing machine body. The crushing machine further comprises an engaging and disengaging mechanism for engaging and disengaging the engaging and disengaging portion provided on the screen with the engaging portion provided on the crushing machine. .
[0007]
Further, in the invention according to claim 2, as the engagement / disengagement mechanism, a base portion of a swing arm is pivotally attached to the crushing machine body and a hook portion disposed on the screen at a tip end portion of the swing arm. 4. The invention according to claim 3, further comprising a hook receiving portion which can be engaged and disengaged, and a oscillating mechanism for oscillating the oscillating arm disposed on the crushing machine. The engaging and disengaging portion provided on the screen is formed on a guide shaft portion that moves in contact with the guide portion, and a rolling roll capable of rolling the guide portion is provided on the screen. The invention according to claim 4 is characterized in that the guide portion is provided with a horizontal guide portion capable of guiding the screen between the outlet portion and an outer position. According to a fifth aspect of the present invention, the screen is a forklift. And it is characterized in that provided retrievable by.
[0008]
BEST MODE FOR CARRYING OUT THE INVENTION
1 to 10 show an embodiment of the present invention, FIGS. 1 to 9 show a first embodiment, and FIG. 10 shows a second embodiment.
[0009]
In the first embodiment shown in FIGS. 1 to 9, reference numeral 1 denotes a crushing machine body, in which a crushing chamber portion 2 is formed, and a hopper-shaped inlet port for charging the crushed material W above the crushing chamber portion 2. 3, a rotating shaft 4 is rotatably mounted horizontally in the crushing chamber 2, and a rotating mechanism (not shown) for rotating the rotating shaft 4 is provided. A crushing rotor 6 having a rotatable blade 5 is provided therein, and a fixed blade 7 for shearing and crushing the crushed object W in cooperation with the rotary blade 5 is provided in the crushing machine body 1. And a crushing machine 1 is provided with an outlet 9 for the screen 8.
[0010]
In this case, the screen 8 is formed by welding an arc-shaped plate 8c having a plurality of through holes 8b on a plurality of parallel arc-shaped members 8a, and the bottom shape of the screen 8 is inserted from the outlet 9 shown in the drawing. It is formed in a shape that can be placed on the claw portion of a forklift, which is omitted.
[0011]
Reference numeral 10 denotes an engagement portion, and 11 denotes an engagement / disengagement portion. The engagement portion 10 is formed in the crushing machine body 1 in a laterally concave shape. A possible shaft-shaped engaging / disengaging portion 11 is formed, and a mounting portion 12 that can be mounted to the fixing portion 1a of the crushing machine body 1 with a bolt 1b is formed at a position on the near side in the taking-out direction of the screen 8.
[0012]
Reference numeral 13 denotes a guide portion, which is formed on an arc-shaped portion 13a capable of taking out and guiding the engagement / disengagement portion 11. In this case, the engagement / disengagement portion 11 is formed on a guide shaft portion 11a that moves on the guide portion 13 in contact with the Further, a plurality of rolling rolls 14 capable of rolling the guide portion 13 are disposed on the screen 8, and the guide portion 13 guides the screen 8 between the outlet 9 and an outer position. The guide unit 15 is provided.
[0013]
Reference numeral 16 denotes an engaging / disengaging mechanism, which has a structure for engaging and disengaging the engaging / disengaging portion 11 provided on the screen 8 with the engaging portion 10 provided on the crushing machine body 1. The base of the oscillating arm 17 is pivotally connected by a rotatable pivot 18, and at the tip of the oscillating arm 17 is provided a recessed catching portion 20 which can be engaged with and disengaged from a hooking portion 19 provided on the screen 8. A oscillating mechanism 21 such as a hydraulic or pneumatic cylinder or a deceleration motor for oscillating the oscillating arm 16 in the crushing machine 1 is provided, and the operating arm 16a is fixedly protruded from the pivot 18 and is attached to the operating arm 16a. In this case, the rod portion 21a of the swing mechanism 21, which is a cylinder mechanism, is pivotally connected.
[0014]
Reference numeral 22 denotes a pushing member, which is provided on the side of the crushing chamber 2 so as to be reciprocally movable by a guide mechanism (not shown), and which crushes the crushed material W which is thrown in from the inlet 3 and dropped down. 6 so that it can be pushed obliquely downward.
[0015]
Since the first embodiment of the present invention has the above-described configuration, as shown in FIG. 1, a film, a runner, and a plastic wrap are artificially or automatically inserted into a crushing chamber 2 in a crushing machine 1 through an input port 3. A crushed object W such as municipal garbage or industrial waste is charged and the crushing object W is pushed into the crushing chamber 2 by reciprocating the pushing member 22, and the rotation of the crushing rotor 6 in the crushing chamber 2 is performed. The rotation of the shaft 4 causes the rotary blade 5 to rotate counterclockwise in the direction of the arrow in the figure, and the rotation of the rotary blade 5 cooperates with the fixed blade 7 attached to the crushing machine body 1 to shear and crush the object W to be crushed. The crushed material W falls through the through hole 8b of the screen 8, and the crushed material W larger than the through hole 8b turns upward again and is again sheared and crushed. The object to be crushed W is subjected to shear crushing.
[0016]
Then, as shown in FIG. 4, when the rod portion 21a of the rocking mechanism 21 as the engagement / disengagement mechanism 16 is immersed in the cleaning work, the replacement work, and the maintenance work of the screen caused by the clogging of the screen 8 by the crushing work, As shown in FIG. 5, the swing arm 17 swings upward about the pivot 18, the hook receiving portion 20 provided on the swing arm 17 hooks and engages with the hook portion 19, and in this state, the bolt 1b is removed. When the mounting portion 12 is released from the fixing portion 1a and the rod portion 21a of the swing mechanism 21 is operated to protrude and the swing arm 17 is swung downward as shown in FIG. As a result, the screen 8 is disengaged from the engaging portion 10 and further moved downward by the swing arm 17 so that the screen 8 slides between the guide shaft portion 11a, which is the engaging / disengaging portion 11, and the guide portion 13 as shown in FIG. Rolling roll 14 The sliding recess 17 is placed on the guide portion 13 by sliding contact with the interior 13, and further downwardly swinging of the swing arm 17 separates the hooking recess 20 from the hooking portion 19 as shown in FIG. Is placed on the guide portion 13 in a released state. As shown in FIG. 9, the claw portion of the forklift is inserted through the outlet 9 and the screen 8 in the released state is lifted by the claw portion of the forklift. Then, the screen 8 is carried out from the outlet 9 through the horizontal guide portion 15 and lifted up using a crane or the like to perform cleaning and maintenance work of the screen 8, and when the cleaning and maintenance work is completed. The screen 8 is inserted and arranged on the guide portion 13 as shown in FIGS. 9 to 8, and in this state, the swing arm 17 is swung upward as shown in FIGS. 8 to 7, and further swung upward. Like 6, The detaching portion 11 engages with the engaging portion 10, and further rotation causes the screen 8 to swing upward about the engaging and disengaging portion 10 as shown in FIG. 4, thereby fixing the mounting portion 12 to the fixing portion 1a with the bolt 1b. Will be.
[0017]
Accordingly, the engaging portion 10 provided on the screen 8 is disengaged from the engaging portion 10 provided on the crusher body 1 by the engaging / disengaging mechanism 16, and the screen 8 is removed via the outlet portion 9 by the guide portion 13. Alternatively, the insertion guide can be performed, and the cleaning work, the replacement work, and the maintenance work of the screen 8 can be efficiently performed, and the crushing work efficiency can be improved.
[0018]
In this case, as the engaging and disengaging mechanism 16, the base of the swing arm 17 is pivotally attached to the crushing machine 1, and the engaging and disengaging mechanism 16 can be engaged and disengaged with a hook 19 provided on the screen 8 at the distal end of the swing arm 16. Since the swinging mechanism 21 for swinging the swinging arm 17 is provided on the crushing machine 1, the engaging and disengaging mechanism 16 can be simplified. The engaging / disengaging portion 11 provided on the screen 8 is formed on a guide shaft 11a that moves in contact with the guide portion 13, and a rolling roll 14 that can roll the guide portion 13 on the screen 8 is provided. As a result, the screen 8 can be smoothly taken out or inserted and guided. In this case, the guide 8 guides the screen 8 between the outlet 9 and the outer position of the crushing machine 1. Since a possible horizontal guide 15 is provided, The lean 8 can be easily taken out or inserted and guided. In this case, since the screen 8 is provided so as to be able to be taken out by a forklift, it is possible to easily take out or insert the heavy screen 8. The efficiency of the crushing operation can be further improved.
[0019]
The second embodiment shown in FIG. 10 shows another structure. In this case, a hook 23 is pivotally attached to the hook recess 20 by a support shaft 24 so as to be openable and closable, and the hook 23 is fixed by a fixed shaft 25. When the screen 8 does not swing downward due to its own weight, the hook 19 is forcibly pulled down by the hook 23 so as to forcibly swing the screen 8 downward.
[0020]
Note that the present invention is not limited to the above-described embodiment. For example, the crushing machine 1, the crushing chamber 2, the crushing rotor 6, the screen 8, the outlet 9, the engaging portion 10, the engaging / disengaging portion 11, the guide The shape, structure, material, and the like of the portion 13 and the engagement / disengagement mechanism 16 are appropriately designed and changed.
[0021]
【The invention's effect】
As described above, according to the present invention, the engaging portion provided on the screen is disengaged from the engaging portion provided on the crushing machine body by the engaging / disengaging mechanism, and the guide portion is used for the engaging portion. The screen can be guided to be taken out or inserted through the outlet, and the screen can be cleaned, replaced, and maintained efficiently, and the efficiency of the crushing operation can be increased.
[0022]
Further, in the invention according to claim 2, as the engagement / disengagement mechanism, a base of a swing arm is pivotally attached to the crushing machine body and a hook provided on a screen at a tip end of the swing arm. The detachable hook receiving portion is provided, and the crushing machine is provided with a swinging mechanism for swinging the swinging arm, so that the engaging and disengaging mechanism can be simplified. In the present invention, the engaging / disengaging portion provided on the screen is formed on a guide shaft portion that moves in contact with the guide portion, and a rolling roll capable of rolling the guide portion is provided on the screen. Thus, the screen can be smoothly taken out or inserted and guided, and in the invention according to claim 4, the screen is guided to the guide portion between the take-out portion and the outer position of the crushing machine. Easy to take out the screen because it has a horizontal guide that can guide In the invention according to the fifth aspect, the screen is provided so as to be able to be taken out by a forklift, so that a heavy screen can be easily taken out or guided. The efficiency of the crushing operation can be further improved.
[0023]
As described above, the intended purpose can be sufficiently achieved.
[Brief description of the drawings]
FIG. 1 is an enlarged side sectional view of a first embodiment of the present invention.
FIG. 2 is an enlarged plan view of the first embodiment of the present invention.
FIG. 3 is an enlarged front view of the first embodiment of the present invention.
FIG. 4 is a partially enlarged sectional view of the first embodiment of the present invention.
FIG. 5 is a partially enlarged sectional view of the first embodiment of the present invention.
FIG. 6 is a partially enlarged sectional view of the first embodiment of the present invention.
FIG. 7 is a partially enlarged sectional view of the first embodiment of the present invention.
FIG. 8 is a partially enlarged sectional view of the first embodiment of the present invention.
FIG. 9 is a partially enlarged sectional view of the first embodiment of the present invention.
FIG. 10 is a partially enlarged sectional view of a second embodiment of the present invention.
[Explanation of symbols]
W Object to be crushed 1 Crushing machine body 2 Crushing chamber 4 Rotating shaft 5 Rotating blade 6 Crushing rotor 7 Fixed blade 8 Screen 9 Outlet 10 Engaging unit 11 Engagement / removal unit 13 Guide unit 16 Engagement / removal mechanism 19 Engagement unit 20 Engagement recess 21 Swing mechanism

Claims (5)

A crushing chamber is provided in the crushing machine, a crushing rotor capable of crushing the material to be crushed is provided in the crushing chamber, and a screen is provided in the crushing machine along a lower outer peripheral surface of the crushing rotor. The crushing body is provided with an outlet of the screen, and the screen is provided with an engaging / disengaging portion that can be engaged and disengaged with an engaging portion provided on the crushing body. The crushing machine body is provided with a guide portion capable of taking out and guiding the engaging and disengaging portion, and the crushing machine body is provided with the engaging and disengaging portion provided on the screen in the crushing machine body. A crushing machine, comprising a disengagement mechanism for disengaging the engagement portion. As the engaging / disengaging mechanism, a hook receiving portion is provided on the tip of the oscillating arm that is capable of engaging and disengaging a hook provided on the screen at the tip of the oscillating arm. 2. The crusher according to claim 1, wherein a swing mechanism for swinging the swing arm is provided on the body. The engaging and disengaging portion provided on the screen is formed on a guide shaft portion that moves in contact with the guide portion, and a rolling roll capable of rolling the guide portion is provided on the screen. The crusher according to claim 1 or 2, wherein The crushing machine according to any one of claims 1 to 3, wherein a horizontal guide portion capable of guiding the screen between the outlet portion and an outer position is provided in the guide portion. The crusher according to any one of claims 1 to 4, wherein the screen is provided so as to be removable by a forklift.

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