JP3100561B2 - Bag breaking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bag breaking apparatus for automatically breaking a garbage bag containing waste such as bottles and cans.

[0002]

2. Description of the Related Art Generally, wastes discharged from households and the like are classified into combustibles and non-combustibles, each of which is stored in garbage bags and discharged. At the time of collection and disposal, combustibles are directly dumped into an incinerator, and non-combustibles are mixed with bottles and cans, for example.
It is desirable that these resources be collected and reused.
In this case, the garbage bag is usually broken by hand, and the reusable material is taken out and sorted. However, there is a problem that manually breaking the garbage bag requires a considerable amount of work, and is inefficient and unsanitary. A bag breaking device that solves such a problem and automatically performs a bag breaking operation is proposed in Japanese Patent Application Laid-Open No. 8-332404. As shown in FIG. 6, the bag breaking device 70 described in the above publication includes a rotating blade 71 that is driven to rotate, and a pressing member 7 that is disposed to face the rotating blade 71 and has a chain conveyor 72.
3 and the central part is in an arc shape in accordance with the rotary blade 71,
A guide plate 74 from which a part of the rotary blade 71 protrudes from the gap, the supplied dust bag is supported by the pressing member 73 and the guide plate 74, and the bag is broken by the rotary blade 71 driven to rotate. Had become.

[0003]

However, in the bag breaking apparatus 70 described in the above publication, the garbage bag is forcibly pressed against the arc-shaped guide plate 74 because the pressing member having a flat pressing surface is used. 73 only, and when hard things such as cans and bottles are mixed inside, the garbage bag may pass as it is without being crushed, and in this case, the garbage bag is In particular, when there is a small bag containing more garbage in the garbage bag, there is a problem that the small bag cannot be broken. Here, if the pressing force of the pressing member 73 is increased and the garbage bag is pressed with a strong force, the garbage bag is flattened and the rotary blade 71 reaches the small bag, and it is thought that the bag can be broken. The bottle is broken and broken into pieces, or the rotary blade 71 directly hits the can or bottle, resulting in severe wear.
There is a problem that the power for driving the first and chain conveyors 72 increases. The present invention has been made in view of such circumstances, and it is possible to reliably break a garbage bag without applying an excessive load to the garbage bag, and furthermore, even if there is a small bag containing garbage inside the garbage bag. An object of the present invention is to provide a bag breaking device capable of breaking a bag.

[0004]

According to the present invention, there is provided a semiconductor device comprising:
The bag breaking device according to the aspect of the invention allows the garbage bag to pass between the first and second guide members facing each other, and projects the garbage bag from gaps formed in the first and second guide members, respectively. What is claimed is: 1. A bag breaking device for breaking said garbage bag by first and second blades moving in a transport direction, wherein said garbage bag is drawn inside said first guide member by sucking a magnetically attached body in said garbage bag. A strong magnet is arranged to make the shape flat. According to a second aspect of the present invention, in the bag breaking apparatus of the first aspect, the first guide member has an arc shape, and the strong magnet is disposed inside the first guide member. A bag breaking device according to a third aspect of the present invention is the bag breaking device according to the second aspect, wherein a rotating body that is rotationally driven by a rotational driving source is provided inside the first guide member. A rotating shaft provided in parallel with the axis of the rotating body, the first blade being attached to the rotating shaft at a predetermined pitch, and a blade angle control provided at an end of the rotating shaft; By means, in the bag breaking area, the first blade is projected from the surface of the first guide member.

According to a fourth aspect of the present invention, in the bag breaking apparatus according to the third aspect, the blade angle control means includes a cam member provided at an end of the rotating shaft, and the cam member includes the cam member. A cam guide that controls the angle of the first blade by contacting the bag in the bag-breaking region; and a blade angle changing unit that releases the first blade to the dust bag at a position beyond the bag-breaking region. Have. A bag breaking device according to a fifth aspect is the bag breaking device according to the third aspect, wherein the blade angle control means includes:
A cam member provided at an end of the rotating shaft, and the first blade is brought into contact with the cam member so as to protrude from the first guide member in the bag-breaking region, and disengage from the bag-breaking region. At the closed position, there is provided a cam guide for releasing the dust bag. And the bag breaking device according to claim 6 is
The bag cutting device according to any one of claims 1 to 5, wherein the second blade has a plurality of blades protruding at a predetermined angle in a gear shape at a predetermined interval in a horizontal direction. , The lower part of the second blade, the first blade
And a third blade composed of a plurality of second rotary blades arranged in parallel at different mounting positions.

[0006] In the bag breaking device according to claims 1 to 6,
Since the strong magnet is arranged inside the first guide member, the iron can stored in the garbage bag is sucked, whereby the garbage bag is flattened while being sucked by the first guide member. In this state, the garbage bag moves while the first blade breaks the garbage bag, so that the garbage bag can be more reliably broken. In particular, in the bag breaking device according to the second aspect, the first
Since the guide member has an arc shape and a strong magnet is arranged inside the guide member, the garbage bag moves along the arc-shaped guide member, and in this process, the bag is broken by the first and second blades. Is done. In the bag breaking device according to claim 3, there is a rotating body which is rotationally driven by a rotational driving source inside the first guide member, and is provided around the rotating body in parallel with the axis of the rotating body. A first blade is attached to the rotation shaft at a predetermined pitch, and a first blade is controlled from a surface of the first guide member by blade angle control means provided at an end of the rotation shaft. Since the first blade protrudes, the first blade can reliably perform the operation of breaking the garbage bag in the bag breaking area.

According to a fourth aspect of the present invention, the blade angle control means includes a blade angle changing means for releasing the first blade from the dust bag at a position beyond the bag breaking area. The first blade can be moved without the cut garbage bag being caught by the blade. In the bag breaking device according to claim 5, the blade angle control means abuts on a cam member provided at an end of the rotating shaft, and the cam member,
The first blade is made to protrude from the first guide member in the bag-breaking region, and the first blade is released from the garbage bag at a position outside the bag-breaking region, so that the operation of the first blade is more reliable. Done in In the bag-breaking device according to the sixth aspect, the second blade has a plurality of blades protruding at a predetermined angle in a gear shape at a predetermined interval in the horizontal direction.
A third blade is provided below the second blade, the third blade including a plurality of second rotary blades arranged in parallel with the first rotary blade by changing its mounting position. Therefore, the bag can be reliably broken.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention. FIG. 1 is a side sectional view showing a main structure of a bag breaking device according to a first embodiment of the present invention.
Fig. 3 is a partially omitted plan sectional view of the bag breaking apparatus, Fig. 3 is a partially detailed side sectional view of the bag breaking apparatus, Fig. 4 is a partially detailed front view of the bag breaking apparatus, and Fig. 5 is a second embodiment of the present invention. It is a sectional side view of a bag breaking device concerning an embodiment.

As shown in FIG. 1, a bag breaking device 10 according to a first embodiment of the present invention includes first and second guide members 11 and 12 and an arc-shaped first guide member 11. A rotating body 13 provided along the inside, a first blade 15 attached to each of a plurality of rotating shafts 14 provided at a predetermined pitch around the rotating body 13, and eccentrically inside the rotating body 13; An attached permanent magnet 16 (an example of a strong magnet),
First and second rotary blades 1 including second and third blades 17, 18 protruding from second guide member 12, respectively.
9 and 20. Hereinafter, these will be described in detail.

As shown in FIGS. 1 and 2, the first guide member 11 includes a plurality of flat plates 24 made of a band-shaped non-magnetic material fixed on both sides by support members 21 and 22 with a gap therebetween. In the embodiment, seven plates are provided, and these flat plates 24 are bent into 180-degree arcs, and the rotating body 13 is provided inside the flat plate 24. The rotating body 13
As shown in FIG. 1 and FIG. 2, a chain has a fixed shaft 25 at the center, is rotatably mounted on the fixed shaft 25 via a bearing, and a rotation drive source (not shown) is provided on one side. By driving the sprocket 13a connected by the rotation, the rotating body 13 is rotationally driven at a low speed of about 15 rpm. The rotating body 13 has side members 26 and 27 on both sides which rotate integrally and simultaneously, and four rotating shafts 14 attached so as to connect these members. It is rotatably attached to the side members 26 and 27, and the respective rotating shafts 1
4, a plurality of first blades 15 are fixed at such a pitch that they just fit into the gaps between the flat plates 24. In addition, 2
3 is a support member.

As shown in FIG. 1 and FIG.
Are provided at the ends of the cam guides 28. In the bag-breaking region 30, the cam members 28 are in contact with the peripheral surface of the arc-shaped cam guide 29, and the gaps between the first guide members 11 (specifically, each flat plate) are provided. The first blade 15 is kept in a protruding state from the gap between the cam guides 29 and comes off the peripheral surface of the cam guide 29 when the first blade 15 exceeds the bag breaking area 30. Then, when the cam member 28 made of a magnetic material comes off the cam guide 29, the pair of permanent magnets 32 and 33 pass through the blade angle changing means 34 which is arranged to face, and the cam member 28 One side is braked by the permanent magnets 32 and 33, and the rotating shaft 14 rotates in the clockwise direction.
The blade 15 is also controlled to rotate and retract from the first guide member 11 to the refuse bag 31 and escape therefrom.
With such a configuration, in the bag breaking area 30, the first blade 15 cuts the garbage bag 31, and after passing through the bag breaking area 30, the first blade 15 is retracted, and the pieces of the garbage bag 31 are removed by the second tool. The first blade 15 is prevented from rotating. The cam member 28 and the cam guide 29 described above are used.
And a blade angle changing unit 34 to constitute a blade angle control unit. The permanent magnets 32 and 33 are mounted via a support member 36 on the base end side of a cam guide plate 35 having a tapered wide entrance side. And
The fixed shaft 25 and the first guide member 11 are
7 so that its relative position does not change.

A strong permanent magnet 16 is attached to the fixed shaft 25 inside the rotating body 13. The permanent magnet 16 is provided along an arc portion of the first guide member 11, that is, along a semicircular portion (that is, the bag breaking area 30), and is disposed inside the dust bag 31 conveyed along the first guide member 11. The dust bag 31 is flattened along the first guide member 11 by adsorbing an iron can (magnetically attached body). As the permanent magnet 16, neodymium which is an extremely strong magnet is used, and generates a magnetism of about 5000 gauss on the surface of the first guide member 11.

The second guide member 12 is shown in FIGS.
The upper guide 38 is divided into an upper guide 38 and a lower guide 39, and the upper guide 38 is rotatably mounted on the frame 37 via a bearing 40a and a support shaft 40 mounted on the upper guide 38, as shown in FIG. The lower guide 39 is mounted on the front side of a lower swing frame 42 which is rotatably mounted on the support shaft 40. An upper rotating body 45 is attached to the upper swing frame 41 via left and right bearings 43, and the first rotating blade 19 in a state of being split into two pieces on the upper rotating body 45 is formed of a plurality of plate members. A plurality of blades 17 are provided at predetermined intervals in the horizontal direction so that a part of the second blade 17 protrudes from the gap of the guide 38, that is, the blades protrude like gears. Also,
Left and right springs 4 are provided on the back of the upper swing frame 41.
6 is provided so that the first rotary blade 19 elastically presses the dust bag 31 passing therethrough. on the other hand,
The lower swing frame 42 is also provided with a lower rotating body 48 via a bearing 47, and the lower rotating body 48 is provided with a second rotary blade 20, which is a half of a lower guide 39 made of a plurality of plate members. The third blade 18 is attached so that a part thereof projects from the gap. Also, springs 49 are provided on the left and right sides of the lower swing frame 42 at the back, so that the garbage
, The second rotary blade 20 elastically presses.

The mounting pitch of the second rotary blade 20 mounted on the lower rotary body 48 is 倍 of that of the first rotary blade 19 mounted on the upper rotary body 45. The small bag contained in the garbage bag 31 can be cut more finely. The lower rotating body 48 is rotationally driven at about 45 rpm (approximately 30 to 60 rpm) by a reduction motor 50, and the upper rotating body 45 is rotationally driven at about 75 rpm (approximately 50 to 90 rpm) by a reduction motor (not shown). Have been. Further, as shown in FIG. 1, an inclined guide member 51 is provided above the first guide member 11.
Is provided, and another inclined guide member 51a is provided on the upper part of the second guide member 12, so that the thrown garbage bag 31 is provided.
Can smoothly slide down into the first and second guide members 11 and 12.

Therefore, in the bag breaking device 10, the dust bag 31 put between the first and second guide members 11 and 12 is first provided inside the arc-shaped first guide member 11. While being flattened by being attracted by the strong permanent magnets 16, the cam member 28 and the cam guide 29 break the first blade 15 arranged so as to protrude from the first guide member 11. Then, the garbage bag 31 fed by the first blade 15 rotating in the direction of arrow a in FIG. 1 is further cut by the second blade 17 projecting from the second guide member 12 and rotating in the direction of arrow b. When the garbage bag 31 is sent further downward in this state, the small bag stored in the garbage bag 31 is also broken by the third blade 18 and the first blade 15 rotating in the direction of arrow c. in this case,
If the garbage bag 31 contains a hard thing such as a bottle,
The second and third blades 17, 18 are elastically retracted to prevent a bottle or the like from breaking.

Next, a description will be given of a bag breaking device 52 according to a second embodiment of the present invention shown in FIG. The basic configuration is the same as that of the bag breaking device 10 according to the first embodiment, but the rotation of the first blade 15 is caused by the cam guides 55 and 56 that abut the cam member 54 almost entirely. Therefore, only this point will be described, and other portions will be assigned the same reference numerals as those of the bag breaking device 10 according to the first embodiment, and detailed description thereof will be omitted. Here, the cam member 54 and the cam guides 55 and 56 constitute a blade angle control unit. A plurality of (four in this embodiment) rotating shafts 14 are provided around a rotating body 13 provided inside the arc portion of the first guide member 11, and a gap between the first guide member 11 is provided. First blades 15 protruding from are provided at predetermined intervals.

At the end of each rotation shaft 14, a roller 57 is
The roller 57 moves while rolling the cam guides 55 and 56 so that the angle of the first blade 15 can be controlled. That is, as shown in FIG. 5, when the first blade 15 is to be projected outward from the first guide member 11 in the bag breaking area 30, the outer peripheral surface of the arc-shaped cam guide 55 is hit. When the first blade 15 is to be retracted from the first guide member 11 after passing through the bag-breaking region 30, the inner periphery of the cam guide 56 having a “-”-shaped tip is formed. Roller 5
7, the rotating shaft 14 is rotated, and the first blade 15 is rotated.
Is drawn inside the first guide member 11 so that a torn garbage bag or the like is not drawn in. When the rotating body 13 is further rotated by approximately 180 degrees to engage the bag breaking area 30, the roller 57 is brought into contact with the outer side of the cam guide 55 which is further retracted inwardly into a "-" shape. First
The first cutter 15 is projected from the gap of the first guide member 11 by shaking the neck of the cutter 15. With the above configuration, the movement of the first blade 15 is extremely reliable. In the bag breaking devices 10 and 52 according to the first and second embodiments, the first guide member 1 is used.
Side guide members 60 (not shown in FIG. 5) are provided on both sides of the bag breaking space 59 formed between the first and second guide members 12, and the broken bag and its contents are provided. Things do not overflow to the sides. The side guide member 60 may have a fixed structure, or may be smaller than the gap of the bag breaking space 59 so as to advance and retreat from both sides into the bag breaking space 59.

[0018]

According to the bag breaking device of the present invention, since the strong magnet is disposed inside the first guide member, the iron can stored in the garbage bag is sucked, The garbage bag becomes flat, and in this state, the garbage bag is moved while the first blade breaks, so that the garbage bag can be more reliably broken. In particular, in the bag breaking device according to the second aspect, the first guide member has an arc shape and a strong magnet is disposed inside the first guide member, so that the strong magnet can be brought as close as possible to the garbage bag. And a stronger magnetism can be given. In the bag breaking device according to the third aspect, the first blade is attached at a predetermined pitch to a rotating shaft provided around the rotating body inside the first guide member, and is provided at an end of the rotating shaft. In the bag breaking region, the first blade protrudes from the surface of the first guide member by the provided blade angle control means, so that the movement of the first blade is assured, and as a result, assuredly. An operation of breaking the garbage bag can be performed.

In the bag breaking device according to the fourth aspect, since the blade angle changing means for releasing the first blade to the garbage bag is provided at a position beyond the bag breaking region, cutting is performed to the first blade. A stable operation can be performed without the garbage bags being caught. In the bag breaking device according to claim 5,
Since the blade angle control means includes the cam member and the cam guide, the angle of the first blade is controlled over the entire circumference of the rotating body, and stable bag breaking can be performed. In the bag-breaking device according to claim 6, since the second blade has a blade portion projecting at a predetermined angle in a gear shape, the second blade breaks the garbage bag, and further, a lower portion of the second blade has: Since the rotating third blade is provided, a garbage bag, for example, a small bag, which has not been broken by the second blade, can be broken, and as a result, the bag can be reliably broken.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a main configuration of a bag breaking device according to a first embodiment of the present invention.

FIG. 2 is a partially omitted plan sectional view of the bag breaking device.

FIG. 3 is a partially detailed side sectional view of the bag breaking device.

FIG. 4 is a partially detailed front view of the bag breaking device.

FIG. 5 is a side sectional view of a bag breaking device according to a second embodiment of the present invention.

FIG. 6 is a side sectional view of a bag breaking device according to a conventional example.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Bag-breaking apparatus 11 1st guide member 12 2nd guide member 13 Rotating body 13a Sprocket 14 Rotating shaft 15 1st blade 16 Permanent magnet 17 2nd blade 18 3rd blade 19 1st rotary blade 20 2nd rotary blade 21 support member 22 support member 23 support member 24 flat plate 25 fixed shaft 26 side member 27 side member 28 cam member 29 cam guide 30 bag breaking area 31 trash bag 32 permanent magnet 33 permanent magnet 34 blade angle changing means 35 Cam guide plate 36 Support member 37 Frame 38 Upper guide 39 Lower guide 40 Support shaft 40a Bearing 41 Upper swing frame 42 Lower swing frame 43 Bearing 45 Upper rotating body 46 Spring 47 Bearing 48 Lower rotating body 49 Spring 50 Reduction motor 51 Inclined guide member 51a Inclined guide member 52 Bag breaking device 54 Cam member 55 Cam guide 56 Cam guide 57 Roller 59 Bag breaking device 60 Side guide member

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Showa 54-128374 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B02C 13/00-13/31 B02C 18 / 00-25/00 B65B 69/00 101 B65F 5/00

Claims (6)

(57) [Claims] 1. A garbage bag is passed between opposed first and second guide members, and the garbage bag is transported in a state where the garbage bag protrudes from gaps formed in the first and second guide members. A bag breaking device that breaks the garbage bag with first and second blades that move to the inside of the garbage bag, wherein the magnetically attached body in the garbage bag is sucked inside the first guide member to flatten the garbage bag. A bag breaking device characterized in that a strong magnet is formed. 2. The bag breaking device according to claim 1, wherein the first guide member has an arc shape, and the strong magnet is disposed inside the first guide member. 3. A rotating body rotatably driven by a rotating drive source inside the first guide member, and a rotating shaft provided around the rotating body in parallel with an axis of the rotating body. The first blade is attached to the rotating shaft at a predetermined pitch, and the blade angle control means provided at the end of the rotating shaft controls the first guide member in the bag breaking area. 3. The bag breaking device according to claim 2, wherein the first blade protrudes from a surface. 4. The blade angle control means includes a cam member provided at an end of the rotating shaft, and a cam for controlling the angle of the first blade by contacting the cam member in the bag breaking area. 4. The bag breaking apparatus according to claim 3, further comprising a guide, and a blade angle changing unit that releases the first blade to the dust bag at a position beyond the bag breaking area. 5. The blade angle control means includes: a cam member provided at an end of the rotating shaft; and a first guide in contact with the cam member and the first blade in the bag breaking area. The bag breaking device according to claim 3, further comprising a cam guide protruding from a member and allowing the dust bag to escape from the dust bag at a position outside the bag breaking region. 6. The second blade comprises a plurality of first rotary blades, each of which has a blade portion protruding in a gear shape at a predetermined angle and arranged in parallel at predetermined intervals in a horizontal direction. The lower part is provided with a third blade comprising a plurality of second rotary blades arranged in parallel with the first rotary blade by changing its mounting position. A bag breaking device according to any one of the preceding claims.