JPH08318173A - Feeder of material to be crushed for crusher and chip discharging device - Google Patents

Abstract

PURPOSE: To crush scrap consisting of synthetic resin material such as styrene foam of a tray, a grout box or the like and to make it chips and also to ensure the safety during feeding a material to be crushed. CONSTITUTION: In the upper side feeding port part of a crushing chamber 2 provided with a crushing rotor 1 for cutting and crushing a material to be crushed by rotation, a feeding case 4 fitted movably forwards and backwards to the feeding port and for feeding a material to be crushed to the crushing chamber 2 when moved above the feeding port is installed. A drawer locking mechanism 41 for locking a feeding drawer 4 when a material to be crushed is fed is installed to constitute a feeder of the material to be crushed for a crusher.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tray or toro box mainly made of a synthetic resin material such as expanded styrol, and further crushes waste materials of packaging materials such as expanded styrol for packaging to crush chips. The present invention relates to a crusher that turns into a crusher, a supply device that supplies these crushed objects to the crusher, and a chip discharge device that discharges crushed chips.

[0002]

2. Description of the Related Art When supplying an object to be crushed into a crushing chamber having a rotating crushing rotor, it is necessary to pay sufficient attention to safety. It is not sufficient to interlock the drive of the crushing rotor simply by opening the cover of the supply port. Further, when the material to be crushed is continuously supplied, the crushing rotor in the crushing chamber may be overloaded and the crushing efficiency may be reduced.

[0003]

The present invention takes the following technical means. That is, the invention of claim 1 is capable of advancing and retracting with respect to the upper supply port 3 of the crushing chamber 2 provided with the crushing rotor 1 for cutting and crushing the supplied crushed object by rotation. In a crusher provided with a supply case 4 for supplying the material to be crushed to the crushing chamber 2 when moved to the supply port 3, the crushing roll is moved after the supply case 4 is moved to the supply port 3. -For a certain period of time during which the drive of the motor 1 is stopped, this supply case is
Draw-out lock mechanism 4 that locks the pull-out lock so that it cannot be pulled out.
1 is provided to the crushable object supply device.

Further, in the second aspect of the invention, the upper supply port 3 of the crushing chamber 2 provided with the crushing rotor 1 for cutting and crushing the crushed object to be supplied by rotation is provided with respect to the supply port 3. In a crusher provided with a feed case 4 for feeding the object to be crushed to the crushing chamber 2 when the crusher is capable of advancing and retreating and moving to the supply port 3, the motor M of the crushing rotor 1 is supplied to the crusher. The crushed material supply device is characterized in that it is driven by pulling out the case 4 and the drive is stopped after a certain period of time from when the case 4 is pushed into the supply port 3.

Further, in the third aspect of the invention, the discharge hole 1 for leaking the crushed chips is provided in the lower portion of the crushing chamber 2 having the crushing rotor 1 for cutting and crushing the supplied crushed object by rotation.
The upper discharge hole 45 of the discharge holes 11 is a small hole, while the lower discharge hole 46 is a long hole elongated along the rotation direction of the crusher rotor 1. The structure of the chip ejector of the machine.

Further, in the invention of claim 4, the discharging chamber 51 for guiding the chips from the crushing chamber 2 having the crushing rotor 1 for cutting and crushing the supplied crushed object by rotation to the receiving chamber 8 below. The tip of the crusher is provided with a flap 54 that rotatably hangs on the side surface of the discharge chamber 51 with a hinge 52 at the upper end and a lower end as a free end, and turns on and off the limit switch 53 by this rotation. The structure of the discharge device.

[0007]

The feed case 4 on the upper side of the crushing chamber 2 is moved from the feed port 3 and the crushed material is put into the feed case 4. By moving the supply case 4 onto the supply port 3, the material to be crushed in the supply case 4 is supplied from the supply port 3 to the crushing chamber 2
It is dropped and supplied to the crushing chamber 2 and crushed and crushed by the crushing rotor 1 rotated in the crushing chamber 2.

When the supply case 4 is pulled out,
The crushing rotor 1 is rotated in the crushing chamber 2 by driving the rotor M. The material to be crushed is put in the supply case 4 drawn out during this period. By pushing and moving the feed case 4 containing the material to be crushed onto the feed port 3, the drawer lock machine 41 fixes the feed case 4 so that the feed case 4 cannot be pulled out, and the subsequent material to be crushed is fed. Is restrained. At the same time, the driving of the motor M is continued for a certain time, and the supply case 4
The object to be crushed supplied from the crushing chamber 2 is cut and crushed into chips.

In this way, the drawer lock mechanism 41 is released after the lapse of the predetermined time, and the supply case 4 can be pulled out from the supply port 3 to the front side. The material to be crushed, which has been supplied from the supply port 3 into the crushing chamber 2 by the supply case 4 as described above, is crushed by the rotation of the crushing rotor 1 and formed into chips while being discharged through the discharge hole in the lower portion of the crushing chamber 2. The gas leaks from the discharge chamber 11 and is discharged from the discharge chamber 51 to the lower receiving chamber 8 and stored therein. Since the upper discharge hole 45 is a small hole, the finely crushed discharge hole 11 leaks first, and the lower discharge hole 46 is formed as a long hole elongated along the rotation direction of the crushing rotor 1. Therefore, chips are quickly discharged from the lower end of the crushing chamber 2.

The chips thus leaked from the discharge hole 11 are discharged from the discharge chamber 51 to the receiving chamber 8 and are directly stored in the receiving chamber 8 or in a container placed in the receiving chamber 8. To be done. When chips are accommodated and accumulated in the receiving chamber 8, the chips are also accumulated in the discharge chamber 51, and the flap 54 rotates outward around the hinge 52 in response to the pushing force of the chips discharged from the crushing chamber 2. And activate the limit switch 53,
For example, the drive motor M of the crushing rotor 1 can be stopped or the full alarm lamp can be turned on.

[0011]

The present invention has the following technical effects. That is, according to the first aspect of the invention, the upper supply port 3 of the crushing chamber 2 provided with the crushing rotor 1 for cutting and crushing the crushed object to be supplied by rotation is provided with respect to the supply port 3. In a crusher provided with a feed case 4 for feeding the object to be crushed to the crushing chamber 2 when it can move forward and backward and moves to the feed port 3, after moving the feed case 4 to the feed port 3 For a certain period of time during which the driving of the crushing rotor 1 is stopped, this supply case 4
The object to be crushed is not brought into the supply port 3 by the operator's hand by using the structure of the object to be crushed provided with the drawer lock mechanism 41 for fixing the object to be pulled out. , Feed case 4 moving forward and backward on the third part of the feed port
Since it is transferred and supplied by means of, it is possible to perform a safe supply, and since this supply case 4 is also drawn to the front side of the operator or the like and moves to a position where it is easy to put the crushed object,
The supply work can be facilitated and streamlined.

Further, by pushing the supply case 4 onto the supply port 3, the drawer lock mechanism 41 operates for a certain period of time, and the supply case 4 cannot be pulled out. While the crushed material is being crushed, it is not possible to additionally supply the crushed material that causes an overload, and do not increase the throughput of the crushed material in the crushing chamber 2 beyond a certain level. Therefore, the crushing process can be performed smoothly and efficiently.

Next, in the second aspect of the present invention, this supply port is provided in the upper supply port 3 of the crushing chamber 2 provided with the crushing rotor 1 for cutting and crushing the supplied crushed object by rotation. 3, the motor M of the crushing rotor 1 can be used in a crusher provided with a supply case 4 for supplying the crushed material to the crushing chamber 2 when the crushed material is moved to above the supply port 3. To the supply case 4
The feed case 4 is driven by pulling out, and the driving is stopped after a predetermined time from the time of pushing into the supply port 3, so that the supply case 4 is provided with the supply case 4. Since the motor M is driven by pulling out from above 3, when the object to be crushed is already crushed in the crushing chamber 2 and the rotation of the crushing rotor 1 is stopped, there is a residue in the crushing chamber 2. However, while a new object to be crushed is supplied from the drawer of the supply case 4 to the indentation, the residue is discharged by the crushing rotor 1 into the crushing chamber 2 as chips and crushed. It is possible to lengthen the treatment process by the rotation of the rotor 1 and perform efficient crushing treatment.

Next, in the third aspect of the invention, the crushed chips are leaked to the lower portion of the crushing chamber 2 having the crushing rotor 1 for cutting and crushing the supplied crushed object by rotation. A hole 11 is provided, and the upper discharge hole 4 of the discharge hole 11 is provided.
5 is a small hole, while the lower discharge hole 46 is the crushing roll.
Since the chip discharge device of the crusher is formed by forming a long hole elongated in the rotation direction of the rotor 1, the remaining crushed material leaked at the small hole portion of the upper discharge hole 45 is The crushing process can be lengthened by descending to the long hole portion of the lower discharge hole 46, and almost all of the crushed material can be discharged in the lower discharge hole 46, so that the smashed material in the crushing chamber 2 can be reduced. However, crushing resistance can be reduced and smooth processing can be performed. The crushing chamber 2 can also be downsized.

Next, in the invention of claim 4, a discharging chamber for guiding the chips from the crushing chamber 2 having the crushing rotor 1 for cutting and crushing the supplied crushed object by rotation to the receiving chamber 8 below. In the side surface of the discharge chamber 51, a hinge 52 is provided at an upper portion and a lower end is provided as a free end, and the limit switch 53 is turned on and off.
Since the chip discharge device of the crusher is provided with the flap 54 for FF, the chips discharged from the crushing chamber 2 through the discharge chamber 51 to the receiving chamber 8 by the rotation of the crushing rotor 1 are When the receiving chamber 8 is filled up and is accumulated in the discharge chamber 51, the flaps 54 on the side surface of the discharge chamber 51 are more likely to receive the discharge pressure from the crushing chamber 2 and the hinge 52 It is easy to accurately turn ON / OFF the limit switch 53 by rotating the. Therefore, an overload on the rotation of the crushing rotor 1 is rarely applied.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A machine body 9 is a movable box-shaped body having casters 10. A crushing chamber 2 and a crushing rotor 1 each having a cylindrical shape are provided in an upper portion of the machine body 10, and a lower portion serves as a receiving chamber 8. . Crushing room 2
Is a cylindrical shape, the upper end surface of which is opened to form the supply port 3, and the bottom plate 12 is supported by the support frame 13 of the machine body 9 and attached. This crushing chamber 2 has a joining flange 1 along the vertical direction.
A plurality of split cylindrical tubular plates 16 and 17 having 4, 15
The flanges 14 and 15 are joined and tightened with bolts 18 to assemble. The bottom plate 12 includes the tubular plates 16 and 1
The lower end edges of 7 are joined and fixed by bolting or the like.

A discharge hole 11 of an appropriate size is formed in the lower half of the cylindrical plate 17 so that the crushed chips can leak out.
Further, a U-shaped integrally formed receiving blade 30 is provided on the inner peripheral surface of the lower half of the cylindrical plates 16 and 17, and a blade edge is formed on each side of the U-shape. The bottom portion is fixed to the crushing chamber 2 with a bolt 19. The receiving blade 30 may have a U-shaped bifurcated shape, but may also have a 3-pronged shape or a 4-pronged shape, and is adapted to the shape of the crushing blade 31.

The crushing rotor 1 provided inside the crushing chamber 2 has a rotor shaft 7 extending along the center of the crushing chamber 2.
The bottom plate 12 and the thin plate-shaped bearing rails 20 provided at the upper and lower intermediate portions in the crushing chamber 2 are supported by bearings. At the upper end of the rotor shaft 7, a feeding blade 32 rotating on the upper side of the bearing rail 20 is attached, and on the lower side of the bearing rail 20, a crushing blade 31 is attached.

The crushing blade 31 has a receiving blade 3 whose front end faces each other.
Rotate so as to pass through the zero-forked space. The upper part of the crushing blade 31 can be roughly cut as a single blade, but the lower part can be finely cut as two upper and lower blades. The discharge hole 1 of the cylindrical plate 17 is provided with the crushing blades 3
The chips are formed so as to face the height of the rotation region of No. 1 and can be immediately leaked from the discharge hole 11.

The discharge hole 11 is formed in an upper discharge hole 45 and a lower discharge hole 46. Of these, the upper discharge hole 45 is formed as a chip with the size of the target crushing diameter of the material to be crushed, and the lower discharge hole 46 is located near the bottom of the crushing chamber 2 in a direction substantially along the rotation direction of the crushing rotor 1. The object to be crushed, which is formed to be long and has undergone the crushing process for a long stroke up to the vicinity of the bottom, leaks while moving along the lower discharge hole 46 of this long hole, and thus easily leaks.

The receiving blade 3 is provided within the rotation range of the discharge blade 21 at the lowermost stage.
0 is not provided, and by rotating along the upper surface of the bottom plate 12, the chips on the upper surface of the bottom plate 12 are extruded outward, and the principal action is the extruding action of the chips from the discharge holes 11.

A motor M mounted on the support frame 13 has a pulley 22 at the lower end of the rotor shaft 7.
Belt 23 is transmitted by. A guide plate 26 for guiding the chips downward is provided outside the cylindrical plate 17 having the discharge hole 11.
The discharge chamber 51 is provided so that the chips leaking from the discharge hole 11 are not scattered to the transmission portion of the belt 23.

A flap 54 and a limit switch 53 which is turned on and off by the rotation of the flap 54 are provided below the guide plate 26 constituting the side surface of the discharge chamber 51. The flap 54 constitutes an actuator of the limit switch 53, and the upper part is a hinge 52 and the lower end part is a free end, and the limit switch 53 is turned on and returned to the hanging state by rotating outward from the hanging state. Can be turned off by. A spring may be set in the returning direction by utilizing its own weight. An arm 55 is integral with the flap 54 and presses the limit switch 53. Further, a lid 27 is provided on the front surface of the receiving chamber 8 so as to be openable and closable so that a container 28 or a bag for accommodating chips can be put in and taken out.

A supply port 3 is formed on the upper surface of the machine body 9,
A supply case 4 is provided which slides back and forth along the upper surface of the supply port 3 to communicate with the opening 35 on the bottom surface of the supply port 3.

The supply case 4 is box-shaped and has a top and a bottom opened, and slides in the front-rear direction inside a cover 33 attached to the top of the machine body 9 so as to cover above the supply port 3. Free,
If the handle 34 is grasped and pulled out to the front, it will be in the pull-out position A, the opening 35 at the bottom will be closed by the top plate 36 on the upper side of the machine body 9, and if it is pushed into the back side of the cover 33, the locking piece. 43 hits the stopper 44 and becomes the pushing position B, and the opening 35 is superposed and communicated with the upper surface of the supply port 3 which is opened to the top plate 36, so that the crushed material supplied to the supply case 4 is opened. It can be dropped and supplied into the crushing chamber 2 through the portion 35 and the supply port 3.

The case cover 5 which can open and close the upper opening 37 of the supply case 4 has a hinge 38 on the back side and can be opened by rotating upward. The pressure is constantly applied to the open side. For this reason, supply case 4 is in front A
If the spring 39 is pulled out, the casing cover 5 opens upward around the hinge 38 by the tension of the spring 39, and the upper opening 37 is opened. Also, by pushing the supply case 4 into the back side B,
The case cover 5 in the open position comes into contact with the cover 33 and is pushed down, and the upper opening 37 is closed. At this time, the opening 35 is overlapped with the supply port 3 to supply the supply case 4.
The material to be crushed inside falls into the crushing chamber 2 and is supplied, but the upper opening 37 is closed by the case cover 5,
There is no risk that the crushing tip will pop out upward from the upper opening 37.

At the pushing position B of the supply case 4, a drawer lock mechanism 41 is provided between the machine body 9 and the locking piece 43 on the back side of the supply case 4. This drawer lock mechanism 41 is
The supply case 4 is fixed at the push-in position B by engaging the lock pin 42 that comes in and out by the electromagnetic solenoid SL attached to the machine body 9 side with the pin hole provided in the locking piece 43 on the supply case 4 side. It is configured so that it cannot be pulled out to the pull-out position A.

Starting switch S consisting of limit switches
1 is provided in the cover 33 portion of the supply case 4 during the movement process, and is turned on at the pull-out position A where the supply case 4 is pulled out to drive the motor M of the crushing rotor 1. R is a relay, and R1 and R2 are its relay contacts. Further, the starting switch S1 is turned off at the pushing position B of the supply case 4.

The timer switch S2, which is a limit switch, is pushed at the pushing position B of the supply case 4 so that the O
N, the contact T1 in the relay R circuit and the contact T2 in the solenoid SL circuit are turned on for a fixed time set by the timer T to put the motor M into a driving state and lock the lock mechanism by the solenoid SL. Keep in the state. X is a relay, which can turn on the relay contact X1 of the solenoid SL circuit to energize the solenoid SL circuit.

SW is a power switch, 53 is a limit switch, which is a full sensor, and L is a full display lamp. The full sensor 53 is configured to be able to switch between the circuit of the display lamp L and the solenoid SL circuit and the relay R circuit so that the container 28 in the receiving chamber 8 becomes full.
When the limit switch (full sensor) 53 is turned on, the full display lamp L is turned on to warn the user, the motor M is stopped, and the drawer lock mechanism 41 is unlocked. In this way, when the timer T times up, the motor M
Is stopped and the lock pin 42 is retracted to release the lock, the supply case 4 can be pulled out to the pull-out position A, but the start switch S1 is turned on.
Even if it is done, the contact T1 of the relay R circuit due to the time up
Is off, the motor M is not driven, and it is safe to replace the container 28, for example.

The set time of the timer T is adjusted by a setting dial or the like, and is set as a time for which the material to be crushed supplied by the supply case 4 is sufficiently crushed. S3 and S4 are safety switches provided in the relay R circuit.

When the power switch SW is turned on and the supply case 4 is pulled out to the front, the start switch S1 is turned on and the motor M is driven unless the full sensor 53 of the full container 28 has already detected fullness. The crushing rotor 1 rotates to perform a crushing action. Therefore, if there is a residue in the crushing chamber 2 after the motor M is stopped, the crushing rotor 1 starts cutting and crushing from this point.

At the draw-out position A of the supply case 4, the case cover 5 is opened by the spring 39 so that the crushed material can be supplied from the upper opening portion 37 of the supply case 4. The material to be crushed supplied from the upper opening 37 is received on the upper surface of the top plate 36. When the supply case 4 is pushed in, the case cover 5 is pushed by the cover 33 to move downward against the spring 39, and the upper opening 37 is closed.

When the supply case 4 is pushed in, the opening 3
The object to be crushed is dropped and supplied into the lower crushing chamber 2 from the superposition section of 5 and the supply port 3, and is cut and crushed by the crushing rotor 1 which is already rotating. Therefore, since the crushing rotor 1 has inertia due to rotation, the rotation is rarely stopped due to the resistance of the supply of the crushed object.

The object to be crushed is cut and crushed while being moved down in the crushing chamber 2, and the crushed chips are discharged through the discharge hole 1 on the peripheral surface.
Extruded from 1. Only the finely crushed particles are discharged from the discharge holes 11 in the upper discharge hole 45, and the coarsely divided material moves downward while undergoing further cutting and crushing, and is extruded from the long hole portion of the lower discharge hole 46. For this reason, the chips are crushed to have a particle size as small as possible and easily leaked, and the resistance to the crushing rotor 1 can be reduced.

The chips discharged from the discharge hole 11 of the crushing chamber 2 are stored in the container 28 in the receiving chamber 8 below the discharge chamber 51. When the container 28 is full, chips are deposited in the discharge chamber 51, the flap 54 is pushed by the pushing force of the chips from the discharge hole 11, the limit switch 53 (full sensor) is turned on, and the full rank L is reached. Is lit to display full. Also, this limit switch 5
When the switch 3 is turned on, the motor M is also stopped. This motor M
Is not driven even if the full container 28 is replaced unless the supply case 4 is pulled out to the pull-out position A after the time is up.

The safety switch S3 is a cover 27 of the receiving chamber 8.
It is turned off by opening and keeps the motor M stopped. Therefore, the start switch S1 is O
The motor M is not driven even if N is given. Further, the safety switch S4 is turned off when the cover 33 covering the supply case 4 is removed, and the motor M is also similarly operated at this time.
Is not driven.

[Brief description of drawings]

FIG. 1 is a side view.

FIG. 2 is a front view thereof.

FIG. 3 is a plan sectional view thereof.

FIG. 4 is an enlarged plan view of a part thereof.

FIG. 5 is a perspective view of a crushing chamber section.

FIG. 6 is a side view thereof.

FIG. 7 is a plan view of arrangement of switches.

FIG. 8 is a side view thereof.

FIG. 9 is an electric circuit diagram.

[Explanation of symbols]

 1 crushing rotor 2 crushing chamber 3 supply port 4 supply case 8 receiving chamber 11 discharge hole 41 drawer lock mechanism 42 lock pin 43 locking piece 45 upper discharge hole 46 lower discharge hole 51 discharge chamber 52 hinge 53 limit switch ( Full sensor) 54 flaps M motor T timer S1 start switch S2 timer switch

 ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Yuji Kanto 1515 Tokumaru, Matsumae-cho, Iyo-gun, Ehime Hit Engineering Co., Ltd.

Claims (4)

[Claims] 1. An upper feed port 3 of a crushing chamber 2 provided with a crushing rotor 1 for cutting and crushing an object to be crushed by rotation. A supply case for supplying the crushed material to the crushing chamber 2 when it moves upward.
In the crusher provided with the case 4, the supply case 4 cannot be pulled out for a certain period of time after the movement of the supply case 4 onto the supply port 3 until the driving of the crushing rotor 1 is stopped. An object to be crushed supply device provided with a drawer lock mechanism 41 that is fixed to the. 2. An upper feed port 3 of a crushing chamber 2 provided with a crushing rotor 1 which cuts and crushes a crushed object to be fed by rotation, and is capable of advancing and retracting with respect to this feed port 3 and this feed port 3. A supply case for supplying the crushed material to the crushing chamber 2 when it moves upward.
In a crusher provided with a case 4, the motor M of the crushing rotor 1 is driven by pulling out the supply case 4, and after a certain time has elapsed from the time of pushing the supply case 3, the drive is performed. A crushable object supply device, characterized in that 3. A discharge hole 11 for leaking the crushed chips is provided in the lower portion of the crushing chamber 2 having a crushing rotor 1 for cutting and crushing the supplied crushed object by rotation. The upper discharge hole 45 is a small hole, while the lower discharge hole 46 is a long hole elongated along the rotation direction of the crushing rotor 1. 4. A receiving chamber 8 below a crushing chamber 2 having a crushing rotor 1 for cutting and crushing a supplied crushed object by rotation.
The discharge chamber 51 that guides the discharge of chips to the discharge chamber 5
A chip discharging device for a crusher, which is provided with a flap 54 that rotatably hangs with a hinge 52 at the upper part and a lower end as a free end on the side surface of 1 and turns the limit switch 53 on and off by this rotation.