JP2008068249A - Bag tearing and removing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a downsized bag tearing machine with a simpler structure, lightweight, and improved bag tearing capability. <P>SOLUTION: The bag tearing machine is provided with a plurality of cutters 17 installed radially with a rotary shaft 13 arranged across with a frame 11, fixed blades 26 arranged along the rotation path of the cutters 17, wherein the outer periphery of the fixed blades 26 is covered with a cover 27, and a slot 28 on the side of the cover 27 on which the cutters 17 are rotated upwardly. The cutters 17 are capable of rocking with respect to the rotational direction. Each fixed blade 26 is bent into a hook facing the rotary cutters 17. The fixed blades 26 can also be arranged staggeringly so that the fixed blades 26 and the cutters 17 can come and go alternately. Moreover, the cutters 17 and the fixed blades 26 are made of leaf spring materials. Bars 19 for preventing stringy objects from winding are arranged across the cutters installed with the rotary shaft 13. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a bag-breaking machine that tears off a garbage bag made of polyethylene or the like that encloses garbage collected from a home or business, and a bag removing machine that removes the torn garbage bag.

  General garbage bags are made of polyethylene, and the garbage contained in them is packed with a variety of miscellaneous items, which burn as they are, those that do not burn, or generate harmful gases when burned. Things that explode, things that damage the incinerator, or those that can be recycled are mixed, so it is necessary to separate the trash before incineration.

  The present applicant has so far proposed a "bag breaker" in Japanese Patent Application No. 2003-436418 as a device for breaking a garbage bag, opening the garbage therein, and removing the broken garbage bag.

  The above proposal is “a spiral propulsion blade provided integrally with a casing having a partial cylindrical bottom surface and a rotation shaft provided on the axis of the partial cylinder, with a small gap from the bottom surface of the partial cylinder. And a plurality of fixed blades provided so that the blade tip is positioned at a slight interval from the rotation trajectory of the outer peripheral edge of the spiral propulsion blade. A plurality of rods (preventing wrapping) are provided in parallel with the rotation axis between the blades of the spiral propulsion blades on the concentric circles, and the fixed blade is provided on the skeleton of the casing, and the upper part of the casing upstream is processed. A hopper for charging the product is provided, and a shooter for discharging the processed product is provided at the lower part on the downstream side.

  By the above proposal, we were able to obtain the effects of downsizing machinery and equipment, increasing bag breaking capability, reducing noise generated during bag breaking, and extending the life of machinery and components. Various studies have been conducted up to now because of increasing processing capacity, downsizing, and cost reduction.

  This invention makes it a subject to provide the bag-breaking machine which implement | achieved the further improvement of processing capacity, size reduction, and cost reduction as it responds to the request | requirement from the said customer.

  In order to solve the above-described problem, the present invention is configured such that a plurality of cutters 17 are radially attached to a rotary shaft 13 provided over the frame 11, and a fixed blade 26 is raised from the frame along the rotation locus of the cutter 17. The holders 21, 22, and 23 are disposed, and the insertion port 28 is provided on the side where the cutter 17 rotates upward. If necessary, the outer periphery of the fixed blade 26 is covered with a cover 27. The cutter 17 can swing with respect to the rotating direction, and the fixed blade 26 bends in a hook shape in a direction facing the rotating cutter 17 and is disposed in a staggered manner so that the fixed blade 26 and the cutter 17 are connected to each other. The cutter 17 and the fixed blade 26 are made of a leaf spring material, and a string-like material winding prevention rod 19 is provided between the cutters 17 attached to the rotary shaft 13, so that the cutter 17 is The mechanism capable of swinging in the rotational direction is such that the cutter holder 16 is pivotally supported by a flange 14 provided on the rotary shaft 13, and between the implantation pin 15 provided on the flange 14 and the cutter holder 16. The holding body loosely fits the disk-shaped side plate 21 to the rotating shaft 13 via a bushing, and does not rotate together with the rotating shaft 13 when the bag breaker is in operation. At the time of replacement 26, it is configured so that it can be turned to a position where replacement work is easy.

  The bag removal machine 30 also has a garbage / garbage bag guide plate 44a provided with slits at regular intervals below the garbage bag inlet of the bag breaker 10 and below the side on which the cutter 17 rotates upward. , A rotating shaft 31 is provided behind the dust / trash bag guide plate 44a, and a dust bag scraping bar 38 is attached to the rotating shaft 31 with the position of the slit, and the garbage bag scraping bar Reference numeral 38 denotes a mounting base 33 provided around the rotary shaft 31, a pin bolt 35 provided on the mounting base 33, and a torsion spring 40, which are urged in the rotational direction and attached so as to be swingable. Furthermore, an anti-winding rod is arranged in parallel with the rotating shaft.

  According to the present invention configured as described above, an input port for garbage wrapped in a bag (hereinafter simply referred to as “trash bag”) is provided on the side where the cutter rotates upward, whereby the input garbage bag is At the same time, the group of garbage bags thrown out by centrifugal force is dispersed in the device, and then is crushed by the fixed blade and rotating cutter in the next stage. It is.

  By making the cutter swingable in the rotation direction, the broken bag pieces are prevented from getting entangled, and by disposing the fixed blade in a staggered manner, the load applied to the rotating cutter and the rotating shaft is distributed and impacted. Further, the winding prevention rod prevents the string-like object from being wound around the rotating shaft. In addition, the fixed blade can be easily replaced by making the side plate rotatable about the rotation axis.

  In addition, by placing a garbage / trash bag guide plate with a slit on the lower side of the side where the cutter rotates upward, and providing a garbage bag scraping rod that protrudes and rotates from the slit The garbage bag is removed. Further, the wrapping prevention rod provided in parallel with the rotation shaft prevents the wrapping of the bag piece or the string-like object.

  Next, embodiments of the present invention will be described with reference to the drawings.

  Next, embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, a bearing 12 is provided on the frame 11, a rotating shaft 13 is provided over the bearing 12, and a flange 14 shown in FIGS. 3 and 4 is attached to the rotating shaft 13. A cutter holder 16 is swingably attached around the pin bolt 15 as an axis, and a cutter 17 made of a leaf spring material is attached to the cutter holder 16. The swing range of the cutter holder 16 is the gap between the pin 20 implanted in the flange 14 and the cutter holder 16. This swinging produces an effect of unwinding the dust entangled with the cutter 17.

  As shown in FIG. 5, the cutter 17 is attached to the deformed flange 14a via the pin bolt 15 and the cutter holder 16 so that the cutter 17 can swing, so that the swing range regulating pins 20a and 20b can swing greatly. When the cutter 17 is reversed and the cutter 17 is reversed, the outer diameter of the cutter locus circle of the cutter 17 can be reduced by 8 cm to 15 cm with respect to 100 cm, so that the complicatedly entangled trash bag is greatly loosened and easily removed. It becomes like this.

  A flange 18 having an outer diameter smaller than the distance between the tips of the cutter 17 is attached to both ends of the rotary shaft 13 to which the cutter 17 shown in FIG. 2 is attached, and an anti-winding rod 19 is provided between the flanges 18.

  A circular side plate 21 is loosely fitted to the rotary shaft 13 through a bushing, and is fixed by a bracket 22 provided on the frame 11 so that it does not rotate during operation. An arch-shaped bracket 24 is fixed to the provided stay 23, and a fixed blade 26 made of a leaf spring material is attached to the arch-shaped bracket 24 via a bracket 25. When the fixed blade 26 is replaced, the fixed state between the circular side plate 21 and the bracket 22 is released so that the fixed blade 26 can be rotated so that it can be easily replaced.

  The fixed blade 26 is arranged on the rotating track of the cutter 17 by the circular side plate 21, the stay 23 and the arch-shaped bracket 24, but a gate-shaped holding body (not shown) is raised on the frame 11, It can also be attached to this holding body via an arch-shaped metal fitting 24. Alternatively, a plurality of gate-shaped holding bodies can be raised from the frame 11 and the fixed blade 26 can be provided on the rotation path of the cutter 17.

  A cover 27 is attached to the outer periphery of the upper portion of the fixed blade 26 with the frame 11 as a base, and a dust bag inlet 28 is provided on the side where the cutter 17 rotates from the bottom to the top, and the lower side of the frame 11 is opened. . In addition, as a result of the trial operation, the dust shaken off by the broken bag did not jump out of the bag breaking machine by hitting a stay or a fixed blade provided on the side plate. Therefore, depending on the installation conditions of the bag breaker, it can be made without a cover.

  Note that a sprocket or V pulley is fitted to the rotating shaft so as to receive a rotational force from a driving source (not shown). However, a driving source having an overload detection function is adopted, and an overload state occurs. Insert a control circuit that stops once, reverses for a certain time and returns to normal operation, and even if normal operation continues, if the set time elapses, the control circuit is set to reverse for a certain time and return to normal operation It can also be inserted.

  In the bag-breaking machine of this embodiment configured as described above, when trash bags are successively inserted from the trash bag inlet, the trash bags are sequentially kicked up by rotating cutters and at the same time outward by centrifugal force. The garbage bags that are swung out and put together as a group are dispersed in the apparatus, and are sandwiched between the rotating cutter and the fixed blade and successively broken.

  Garbage after being broken is released from the bag, but the lower side of the frame falls, so it is discharged onto a conveying means (not shown) such as a belt conveyor arranged on the lower side of the frame, and proceeds to the next process. Will be carried out.

  As described above, the bag breaker of this embodiment and the bag breaker previously proposed by the applicant are as shown in Table 1, and the spiral blade and the rotating claw for scraping the bag piece are unnecessary. The device has been reduced in size and weight, and the garbage bags thrown in as a group are dispersed and broken in the device, so the bags can be broken very efficiently.

  FIG. 6 relates to the second embodiment. The difference from the first embodiment is how the fixed blade 26 is attached. When viewed in FIG. 6A, the front side and the far side of the arch-shaped bracket 24 are alternately arranged. As shown in FIG. 4B, the fixed blade 26 is attached in the order of left, right, and left of the arch-shaped bracket 24. Further, the fixed blade 26 is provided side by side as shown in FIG. Moreover, it can also be provided by being gradually shifted in the peripheral direction as shown in FIG.

  By providing fixed blades in this way, the rotating blades and fixed blades act on the garbage bags thrown together as a group, which has the effect of suppressing impact noise and extending the life of the machine. The bag breaking effect can be improved.

  FIG. 7 relates to the third embodiment. The arch-shaped bracket 24 (see FIG. 6) is swingable through the shaft S, a stopper pin P is implanted on the fixed blade 26 side, and a tension spring is provided at the end of the arm A. When an excessive load is applied to the fixed blade 26, the load can be released.

  In addition, although the leaf | plate spring material was employ | adopted for the raw material of the cutter and fixed blade of said each Example, it is not restricted to this, A general steel material etc. can be employ | adopted.

  In addition, the control panel of the bag breaker according to each of the above embodiments stops once when an excessive load is applied to the rotating shaft, or stops once when continuously operated for a certain period of time, and reverses within a set time zone. Then, it is possible to unwind the foreign matter so as to rotate forward.

  FIGS. 8 to 11 relate to the fourth embodiment, in which a bag removing machine 30 is provided integrally with the bag breaking machine 10, and a frame 11a for a bag removing machine is provided on the frame 11, and a rotating shaft is provided on the frame 11a. 31 is provided, and two sets of disks 32 integrated with the boss are attached to the rotating shaft 31 so as to face each other. An attachment base 33 is provided on the disk 32, and a bracket 34 is provided on the attachment base 33. A pin bolt 35 is provided between the pin 32 and the bracket 34, a collar 36 is fitted into the pin bolt 35, and a garbage bag scraping bar 38 is fixed to the arm portion 37 of the collar 36 by a bolt 39.

  A torsion spring 40 is fitted to the collar 36, one end of which is fixed to the bracket 34, and the other end is fixed to the arm portion 37 of the collar 36, and is always biased toward the rotation direction of the garbage bag scraping bar 38. And when overloaded, it escapes backwards.

  A support plate 42 provided with protrusions on the four sides of the disk is fixedly attached to both ends of the rotary shaft 31 and inside the bearing 41, and a bag piece or string-like prevention rod 43 is provided between the support plates 42. Is installed. If the dust bag scooping bar 38 is attached at an angular phase so that they do not act simultaneously as in the case of the fixed blade 26, the load is dispersed and a noise prevention effect is obtained.

  From the upper side of the bag removal machine frame 11a to the right side of the drawing, a garbage / trash bag guide plate 44a having a slit 45 through which the tip of the rotating garbage bag scraping bar 38 penetrates is covered, and the upper end of the garbage bag is placed in the garbage bag. Extends below the mouth. The trash / garbage bag guide plate 44a can be extended to the imaginary line to form an auxiliary guide plate 44c, and a return guide plate 44b can be provided from the upper right to the lower left of the frame 11 in the drawing. The position can be adjusted like an imaginary line.

  It should be noted that the anti-winding rod in each of the above embodiments increases the effective waist and prevents the broken pieces from being wound, and can be easily removed with a cutter or a sickle even if they are wound.

  In the above embodiment, if the garbage packed in the bag has a relatively small specific gravity such as plastic, the rotation of the rotary shaft 13 is too fast (the cutting edge speed of the cutter 17 is too high), and the bagged garbage is stored in the pocket of the cutter 17. Since it will be idle without falling, depending on the type of garbage to be processed, it may be more effective to reduce the rotation speed.

  FIGS. 12 and 13 relate to the fifth embodiment, in which a stay 19 s is provided between the cross-shaped flange 14 a and the flange 18 (for anti-winding rod), and a leaf spring material is bent into a “U” shape on the stay 19 s. The bag flip-up member K is attached in a cantilever state so that its free end is located inside the stay 19s, and is cut into the rotational direction side at the tip of the cutter 17 to form a bowl 17a. The auxiliary fixed blade 26 b is provided in front of the 28 fixed blades 26. Note that a large number of dust raising members K are provided between the cutters 17, and a large number of auxiliary fixed blades 26 b are provided (for example, twice as many as the cutters 17) with a gap in the axial direction on the rotational locus of the cutter tip. The stay 19a can also serve as a winding prevention rod.

  In the fifth embodiment, the garbage bag flip-up member K is mounted separately between the cutters 17, but as shown in FIG. 14, a slit Ks is provided in the center of the garbage bag jump-up member K, and the slit Ks is formed. If the cutter 17 is allowed to penetrate, it is possible to prevent the bag 17 from being wrapped around the cutter 17.

  In addition, since the garbage bags used in large stores and other business establishments are larger in size than the garbage bags used in general households, the garbage bags are caught over the blade edge of the cutter 17 and are in this state. May be repeatedly entangled with the cutter 17, and may accumulate and fail to exhibit the bag breaking function. As a solution in such a case, the rotation locus of the anti-winding bar 19 is brought close to the cutting edge of the fixed blade 26. In this way, the garbage bag is broken finely, and the problem can be avoided as described above.

  Further, when the rotation locus of the anti-winding rod 19 is brought close to the fixed blade 26 as described above, a large load or impact is generated when large solid waste is thrown in. Therefore, relaxation is absorbed by the attachment portion of the anti-winding rod 19. It is conceivable that a means is interposed, or a wire rope or the like is flexible instead of the winding prevention rod.

  As described above, the present invention is simple in structure, reduced in size and weight, reduced in power consumption, increased in economic efficiency, and greatly increased in processing capacity, so that the industrial utility value is extremely high. It is expensive.

  In particular, in the processing of relatively light bagging waste in Example 4, with the rotational speed of the breaker / bag removal machine being lowered, the object to be processed is positioned at the intersection of the rotary blade and the fixed blade to reduce power consumption. Reduction and efficient tearing and bag removal processing are possible without generating noise.

The internal structure figure seen from the axial direction of the bag breaker according to the first embodiment Same internal structure as seen from the horizontal direction parallel to the axis Same as above, front view with cutter attached to rotating shaft Same side view Front view of the cutter attached with a larger cutter swing range (A) Internal structure diagram as viewed from the axial direction of the bag breaking machine according to the second embodiment, (b) Internal structure diagram as viewed from the horizontal direction in parallel with the shaft, (c) and (d) Cutter arrangement example Illustration of Explanatory drawing of the fixed blade which concerns on Example 3. The internal structure figure seen from the axial direction of the bag breaker equipped with the bag removal machine according to Example 4 Same internal structure as seen from the horizontal direction parallel to the axis Front view of garbage bag scraping jar Same side view The internal structure figure seen from the axial direction of the bag breaker equipped with the bag removing machine according to the fifth embodiment AA arrow view of FIG. Perspective view of trash bag flip-up member

Explanation of symbols

10 Bagbreaker 11 Frame 12 Bearing 13 Rotating shaft 14 Flange (for cutter holder)
14a Deformed flange 14b Support plate 15 Pin bolt 16 Cutter holder 17 Cutter 17a Hook 18 Flange (for anti-winding bar)
19 Anti-winding rod 19s Stay 20 Pin 20a, 20b Oscillation range regulating pin 21 Side plate 22 Bracket (for side plate)
23 Stay 24 Arch-shaped bracket 25 Bracket (for fixed blade)
26 Fixed blade 26b Auxiliary fixed blade 27 Cover 28 Garbage bag slot 29 Pull spring 30 Bag removal machine 31 Rotating shaft 32 Disc 33 Mounting base 34 Bracket 35 Pin bolt 36 Collar 37 Arm portion 38 Garbage bag scraping bar 39 Bolt 40 Torsion spring 41 Bearing 42 Support plate 43 Anti-winding bar (for bag removal machine)
44a Waste / garbage bag guide plate 44b Return guide plate 44c Auxiliary guide plate 45 Slit A Arm K Garbage bag flip-up member K2 Slip P Stopper pin S Axis

Claims (12)

  A plurality of cutters (17) are radially attached to a rotation shaft (13) provided over the frame (11), and the fixed blade (26) is raised from the frame along the rotation locus of the cutter (17). A bag-breaking machine provided with holding bodies (21, 22, 23) and provided with an inlet (28) on the side where the cutter (17) rotates upward.   The cutter (17) can swing with respect to the rotation direction, and the fixed blade (26) is bent in a hook shape in a direction facing the rotating cutter (17) and is disposed in a staggered manner. The bag-breaking machine according to claim 1, wherein the cutter (17) and the cutter (17) are alternately moved so that the material of the cutter (17) and the fixed blade (26) is a leaf spring material.   The bag breaker according to claim 1 or 2, wherein a string-like material winding prevention rod (19) is provided between the cutters (17) attached to the rotating shaft (13).   The mechanism that enables the cutter (17) to swing with respect to the rotation direction is supported by a flange (14) provided on the rotating shaft (13) so that the cutter holder (16) can swing. The bag breaking machine according to any one of claims 1 to 3, wherein the bag breaking machine is configured to swing between an implantation pin (15) provided in 14) and a cutter holder (16).   The swing range of the cutter (17) attached to the flange (14) via the cutter holder (16) is restricted by the pins (20a, 20b), and the maximum diameter (D) of the cutting edge locus circle of the cutter (17) is determined. The bag breaker according to any one of claims 1 to 4, wherein a ratio (d / D) to the minimum diameter (d) is 85 to 92%.   In the holding body, the disk-shaped side plate (21) is loosely fitted to the rotating shaft 13, and does not rotate with the rotating shaft (13) during operation of the bag breaker, and when the fixed blade (26) is replaced. The bag-breaking machine according to any one of claims 1 to 5, wherein the bag-breaking machine can be turned to a position where replacement work can be easily performed.   The bag breaker according to any one of claims 1 to 6, wherein the outer periphery of the fixed blade (26) is covered with a cover (27).   8. The rotary shaft according to claim 1, wherein when the bag breaker is stopped due to an excessive load or after being continuously operated for a set time, the rotary shaft is reversely rotated in a set time zone and then rotated forward. A bag-breaking machine according to any one of the above.   A garbage / trash bag guide plate 44a provided with slits 45 at regular intervals is disposed below the side where the cutter 17 rotates upwardly below the garbage bag inlet 28 of the bag breaker 10. 9. A rotary shaft 31 is provided behind the garbage / trash bag guide plate 44a, and a garbage bag scraping bar 38 is attached to the rotary shaft 31 in accordance with the position of the slit 45. The bag-breaking machine described.   The garbage bag scraping bar 38 is urged in the rotational direction through a mounting base 33 provided around the rotary shaft 31, a pin provided on the mounting base 33 and a torsion spring 40, and is attached so as to be swingable. The bag breaking machine according to any one of claims 1 to 9.   The bag breaking machine according to any one of claims 1 to 10, wherein a winding prevention rod 43 is provided in parallel with the rotating shaft.     A trash bag flip-up member (K) in which a leaf spring material is folded into a “U” shape is placed on a stay (19a) provided over the flanges (14a, 18), and the free end thereof is positioned inside the stay 19s. The bag breaker according to any one of claims 1 to 11, wherein the bag breaker is attached in a cantilever state.

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