JP3194380U - Cardboard box crusher - Google Patents

Abstract

An object of the present invention is to provide a cardboard box crushing apparatus capable of automatically crushing and reducing the volume significantly by simply inserting empty cardboard boxes. An empty cardboard box B is introduced from one end 3a side of the apparatus body 2, the cardboard boxes are crushed into pieces in the apparatus body, and the pieces are carried out from the other end 3b side of the apparatus body. A cardboard box crushing apparatus 1, which is arranged from one end 3a side to the other end 3b side in the lower region of the apparatus main body, and the upper surface of the one end 3a side is used as a charging area for cardboard boxes, The transfer caterpillar 5 with protruding blades 6 and the upper part of the transfer caterpillar are arranged on the other end 3b side with respect to the loading area, and the outer periphery forming the compression / crushing area of the cardboard boxes together with the transfer caterpillar is circular. Rotating body 23 having a plurality of crushing upper blades 24 projecting at predetermined intervals, a caterpillar for conveyance, and a rotating body are driven at different speeds so as to move from the carry-in side to the carry-out side in the compression / crushing region. Transport carrier Pila drive 8 has a rotary body drive unit 26. [Selection] Figure 1

Description

  The present invention relates to a cardboard box crushing device, and more particularly to a cardboard box crushing device that can efficiently compress and crush empty cardboard boxes into a shredded piece with a greatly reduced volume. is there.

  Conventionally, in the case of processing empty cardboard boxes from which the stored items are extracted at various article storage warehouses, various article manufacturing factories, etc., the lightweight but large volume empty cardboard boxes are manually dismantled, Many things are organized.

  That is, an empty cardboard box is dismantled by manual work, and is put into a packer car or the like to be carried out, or is put into a compression volume reduction machine to reduce the volume, thereby reducing storage space.

  However, dismantling and organizing such empty cardboard boxes and putting them into packer cars and compression / volume reduction machines require a lot of work time and inevitably require a lot of labor costs.

  Such a situation applies not only to empty cardboard boxes, but also to the arrangement of empty cardboard boxes and waste materials mainly made of paper.

  In Patent Document 1, as a technology associated with the present invention, a shredder input port is opened at the upper part of the shredded main body cover, both first stage crushing blades are provided in the first stage crushing section, and the interval is set. The two-stage crushing blades, which are horizontally mounted so as to be able to perform forward rotation, reverse rotation, and stop and have a second-stage crushing section below the first-stage crushing section to increase the diameter, are smaller than the first stage. In addition, the number of blades of one of the second stage crushing blades is increased so that they can be rotated forward, reverse, and stopped, and a third stage crushing part is provided below the second stage crushing part to engage with each other. An apparatus for cutting a document in a corrugated cardboard box having a configuration in which a third stage crushing blade is horizontally mounted and a discharge port is opened below the third stage crushing part is disclosed.

  However, the apparatus of Patent Document 1 is provided with a crushing object inlet at the upper part of the apparatus main body, an opening at the lower part, and the first stage crushing in order between the crushing object inlet and the outlet. For a use that is a complicated and large-sized configuration with a crushing section, a second stage crushing section, and a third stage crushing section, and that automatically crushes empty cardboard boxes one after another and greatly reduces the volume. Presumed to be unsuitable.

JP-A-11-28379

  The problem to be solved by the present invention is that it can be crushed automatically by simply inserting empty cardboard boxes and the volume can be greatly reduced. There is no conventional cardboard box crushing device that can shorten the work time required for loading into a volume reduction machine, etc., and can contribute to improvement of work efficiency and reduction of labor costs.

  A cardboard box crushing apparatus according to the present invention is a method of throwing empty cardboard boxes from one end side of the apparatus main body, crushing the empty cardboard boxes in the apparatus main body into a crushed piece, and using the crushed piece as a device. A cardboard box crushing device for carrying out from the other end side of the main body, the cardboard boxes being arranged from one end side to the other end side in the lower region of the apparatus main body, and having an upper surface at one end being empty A feeding caterpillar projecting a plurality of crushing lower blades, and an upper part of the feeding caterpillar and disposed on the other end side of the feeding region, and carrying the crushing lower blades A rotating body having a circular outer periphery that forms a compression / crushing region of empty cardboard boxes together with a caterpillar for use, and a plurality of crushing upper blades protruding at predetermined intervals, and a caterpillar for conveyance with the crushing lower blade, crushing Rotating body with upper blade for different speeds And a driving means for driving to move from the carry-in side to the carry-out side in the compression / crushing region, and is fed by a conveying caterpillar with the crushing lower blade and a rotating body with the crushing upper blade. Compressing the empty cardboard boxes, the lower blade for crushing and the upper blade for crushing are bitten into the compressed cardboard boxes, respectively, using the difference in speed between the lower blade for crushing and the upper blade for crushing The main feature is that the cardboard boxes are crushed and the crushed pieces are carried out from the other end of the apparatus main body.

  According to the invention described in claim 1, while compressing empty cardboard boxes placed by a rotating caterpillar with a crushing lower blade and a crushing upper blade disposed in the apparatus main body, The blade and the upper crushing blade are bitten into the compressed corrugated cardboard boxes, and the cardboard boxes are crushed using the difference in speed between the lower crushing blade and the upper crushing blade. Because it is configured to be carried out from the side, it can be automatically crushed by simply inserting empty cardboard boxes and the volume can be greatly reduced. It is possible to realize and provide a cardboard box crushing apparatus that can shorten the work time required for the loading work into the machine, improve work efficiency, and reduce labor costs.

  According to the second aspect of the present invention, there is provided an apparatus main body including a lower housing, and an upper housing disposed on the other end side above the lower housing, and empty from one end side of the lower housing. The cardboard boxes are put in, and the empty cardboard boxes are crushed into the crushed pieces inside the lower casing and the upper casing, and the crushed pieces are carried out from the other end side of the lower casing and the upper casing. A cardboard box crushing apparatus configured as described above, which is arranged from one end side to the other end side of the lower casing, and has an upper surface on one end side as an input region for empty cardboard boxes, and a plurality of crushing lower blades A transfer caterpillar projecting at a predetermined interval, and an upper part of the transfer caterpillar in the upper housing and disposed on the other end side of the input region, together with the transfer caterpillar with the crushing lower blade. Forming a compression / crushing area for cardboard boxes A number of crushing upper blades protruding at predetermined intervals, a conveying caterpillar with a crushing lower blade, and a crushing upper blade with a crushing upper blade at different speeds and in the compression / crushing region In the same manner as in the case of the device according to claim 1, based on the structure having a driving means for driving to move from the carry-in side to the carry-out side, it is automatically performed only by inserting empty cardboard boxes. It is possible to reduce the working time required for organizing empty cardboard boxes, putting it into a packer car or a compression volume reduction machine, improving work efficiency, and personnel costs. It is possible to realize and provide a cardboard box crushing apparatus that can contribute to the reduction of the cost.

  According to the invention described in claim 3, while having the same effect as that of the invention described in claim 1 or 2, the direction of the cutting edge of the crushing lower blade is opposite to the moving direction of the transporting caterpillar, The direction of the cutting edge of the upper blade is the same as the rotation direction of the rotating body, so that the crushing force to tear the cardboard piece by the cutting edge of the crushing lower blade and the cutting edge of the crushing upper blade with respect to the cardboard piece to be crushed It is possible to realize and provide a cardboard box crushing apparatus that can reliably act as a crushed piece.

  According to the invention described in claim 4, while having the same effect as the invention described in any one of claims 1 to 3, the crushing lower blades are dispersedly arranged in an orthogonal arrangement with the moving direction of the transporting caterpillar. In addition, the crushing upper blades are arranged in a distributed arrangement with a predetermined interval over the entire conveying caterpillar, in a distributed arrangement in a direction orthogonal to the rotation direction of the rotating body, and over the entire circumference of the rotating body. Are provided in a distributed arrangement, and the lower blade for crushing and the upper blade for crushing are arranged so as not to interfere with each other. It is possible to realize and provide a cardboard box crushing device that can be used.

  According to the invention described in claim 5, while having the same effect as the invention described in any one of claims 1 to 4, the speed difference between the crushing lower blade and the crushing upper blade is 1: Since it is set to 3 or 1: 3 or more, cardboard boxes that can exhibit several kinds of processing capabilities for various empty cardboard boxes and can also improve the processing capabilities. A crushing device can be realized and provided.

FIG. 1 is a schematic sectional view of a cardboard box crushing apparatus according to an embodiment of the present invention. FIG. 2 is a schematic explanatory view showing a transporting caterpillar and a rotating body as viewed from the charging side of empty cardboard boxes in the cardboard box crushing apparatus according to the present embodiment. FIG. 3 is a schematic explanatory view showing a transporting caterpillar and a rotating body as viewed from the carry-out end side of the crushed pieces in the cardboard box crushing apparatus according to the present embodiment. FIG. 4 is a block diagram showing a control system of the cardboard box crushing apparatus according to the present embodiment. FIG. 5 is a schematic explanatory view showing the crushing operation of empty cardboard boxes by the cardboard box crushing apparatus according to the present embodiment.

  The present invention can automatically crush and simply reduce the volume simply by inserting empty cardboard boxes, sorting empty cardboard boxes, and loading them into packer cars and compression volume reduction machines. The purpose of providing a cardboard box crushing device that can shorten the work time required for etc., improve work efficiency, and contribute to reduction of labor costs, on the lower housing, on the upper side of this lower housing, and An apparatus main body provided with an upper casing disposed on the other end side, and empty cardboard boxes are inserted from one end side of the lower casing, and the empty cardboard boxes are installed inside the lower casing and the upper casing. A cardboard box crusher for crushing into pieces to be carried out from the other end of the lower casing and the upper casing, and extending from one end of the lower casing to the other end. The upper surface of one end is used as an input area for empty cardboard boxes, and multiple lower blades for crushing A transfer caterpillar projecting at a predetermined interval and an upper part of the transfer caterpillar in the upper housing and disposed on the other end side with respect to the input region, and is empty together with the transfer caterpillar with the crushing lower blade. A rotating body that forms a compression / crushing region of the corrugated cardboard boxes and has a circular outer periphery and a plurality of crushing upper blades protruding at predetermined intervals, a transporting caterpillar with the crushing lower blade, and a crushing top Drive means for driving the rotating body with blades to move from the loading side to the unloading side at different speeds and in the compression / crushing region, and a transporting caterpillar with the crushing lower blade, While compressing empty cardboard boxes thrown by a rotating body with an upper blade for crushing, the lower blade for crushing and the upper blade for crushing are bitten into the compressed cardboard boxes, respectively, the lower blade for crushing, Speed of upper blade for crushing Crushing the cardboard box such by utilizing a bottom housing of the apparatus main body fragments were realized by the configuration for unloading from the other end of the upper housing.

  Hereinafter, a cardboard box crushing apparatus according to an embodiment of the present invention will be described in detail with reference to the drawings.

  As shown in FIGS. 1 to 3, the cardboard box crushing apparatus 1 according to the present embodiment has a rectangular parallelepiped box shape, a lower housing 3 having an open top, an upper side of the lower housing 3, and An apparatus main body 2 having a lower portion arranged to overlap the other end side of the lower housing 3 and an upper housing 21 opened on one end 3a side described later. End) Empty cardboard boxes B are introduced from the side of 3a, and the empty cardboard boxes B are crushed inside the lower housing 3 and the upper housing 21 to obtain a crushed piece Ba. The body 3 is configured to be carried out from the opening region on the other end (carrying-out end) 3b (the other end of the upper housing 21) side.

  The lower housing 3 is configured in a rectangular parallelepiped shape with an upper surface opened, and the lower housing 3 has a triangular arrangement and parallel arrangements of first to third caterpillar pulleys 4a, 4b, Caterpillar pulleys 4c, and endless transporting caterpillars in which the lower crushing blades 6 are mounted in a distributed arrangement at predetermined intervals over the outer circumferences of the first to third caterpillar pulleys 4a, 4b, 4c. 5 are arranged.

  The first caterpillar pulley 4a is disposed in the vicinity of one end 3a of the lower housing 3 and at a position below a predetermined dimension from the upper end of the lower housing 3, and the second caterpillar pulley 4b is It is arranged near the other end 3b of the lower casing 3 and at the same height as the first caterpillar pulley 4b, and the third caterpillar pulley 4c is the first caterpillar pulley. 4a, arranged below the second caterpillar pulley 4b and at an intermediate position between them.

  As a result, the transfer caterpillar 5 has a transfer area for the flat empty cardboard boxes B facing the opening of the lower housing 3 between the first caterpillar pulley 4a and the second caterpillar pulley 4b. Formed between the second caterpillar pulley 4b and the third caterpillar pulley 4c, and between the third caterpillar pulley 4c and the first caterpillar pulley 4a, each has a generally triangular movement. The configuration has a locus.

  Further, a transfer caterpillar for preventing the transfer caterpillar 5 from drooping below the transfer caterpillar 5 having a flat arrangement between the first caterpillar pulley 4a and the second caterpillar pulley 4b. The flat table 7 is arranged in a manner to be fixedly supported by the lower housing 3.

  The direction of the cutting edge 6a of the crushing lower blade 6 is opposite to the moving direction in the flat region of the transporting caterpillar 5, and the crushing lower blade 6 is arranged orthogonal to the moving direction of the transporting caterpillar 5. In the distributed arrangement, the entire caterpillar 5 for conveyance protrudes in a distributed arrangement at a predetermined interval.

  That is, by setting the direction of the cutting edge 6a of the crushing lower blade 6 to be opposite to the moving direction of the transporting caterpillar 5, the crushing lower blade 6 can be crushed without being pulled in the moving direction. It is designed to make it easier to bite in.

  The lower casing 3 is provided with a transporting caterpillar drive unit 8 for driving the transporting caterpillar 5 in the direction of the arrow in FIG.

  Although the detailed structure of the transporting caterpillar drive unit 8 is omitted, the transporting caterpillar driving unit 8 includes a lower drive motor 9, a speed reducer (not shown), and the like, for example, to drive the first caterpillar pulley 4a in the direction of the arrow shown in FIG. It is configured as follows. Accordingly, the transporting caterpillar 5 together with the first caterpillar pulley 4a is configured to be driven in the direction of the arrow shown in FIG.

  Next, the configuration on the upper housing 21 side will be described.

  The upper casing 21 is integrally disposed on the upper side of the lower casing 3 and on the other end 3b side of the lower casing 3, and the lower casing 3 and one end 3a of the lower casing 3 are disposed. The side end surface is formed in a rectangular parallelepiped box shape, and the dimension of the upper casing 21 in the moving direction of the transfer caterpillar 5 is smaller than that of the lower casing 3, and the dimension in the depth direction is The dimensions of the lower housing 3 are the same.

  Thus, the conveyance with the crushing lower blade 6 is provided above the conveyance caterpillar 5 in the upper casing 21 and adjacent to the input area of the empty cardboard boxes B formed by the conveyance caterpillar 5. Together with the caterpillar 5, an empty cardboard box B compression / crushing region 22 is formed.

  In addition, a depth of the transport caterpillar 5 in which the upper casing 21 is arranged facing the compression / crushing region 22 and has a circular outer periphery and a plurality of crushing upper blades 24 protruding at predetermined intervals. The rotating body 23 having a depth dimension substantially equal to the dimension is arranged with the rotating shaft body 25 that is rotatably supported at both ends by the upper casing 21 as a supporting shaft, and in an arrangement orthogonal to the moving direction of the transporting caterpillar 5. It is arranged so that it can rotate.

  The direction of the cutting edge 24a of the crushing upper blade 24 is set to be the same direction as the rotation direction of the rotating body 23, that is, the cutting edge 24a bites into the cardboard piece to be crushed earliest.

  Furthermore, the crushing upper blades 24 are arranged in a distributed arrangement orthogonal to the rotation direction of the rotating body 23 and have a predetermined interval (for example, an interval of 90 degrees on the outer periphery of the rotating body 23) over the entire circumference of the rotating body 23. While being provided in a distributed arrangement, each of the crushing lower blades 6 and the crushing upper blades 24 on the transporting caterpillar 5 side is set so as not to interfere with each other.

  The upper casing 21 is provided with a rotating body drive unit 26 for rotating the rotating shaft body 25 of the rotating body 23 in the direction of the arrow shown in FIG.

  Although the detailed structure is omitted, the rotary body drive unit 26 includes an upper drive motor 27, a speed reducer (not shown), and the like, and is configured to rotationally drive the rotary shaft body 25 of the rotary body 23.

  The cardboard box crushing apparatus 1 according to the present embodiment further controls the transporting caterpillar driving unit 8 and the rotating body driving unit 26 to drive the transporting caterpillar 5 and the rotating body 23 and both of them. Drive controller 31 for setting the speed difference.

  As shown in FIG. 4, the drive controller 31 includes a lower drive motor switch 33 for starting the lower drive motor 9 and driving the transfer caterpillar 5 via a first caterpillar pulley 4a. The speed difference between the upper drive motor switch 34 for starting the drive motor 27 to rotate the rotary shaft body 25 and the rotary body 23, and the conveying caterpillar 5 and the rotary body 23 is 1: 3 or 1: 3 or more (1 : 4, 1: 5, 1: 7, etc.) for example, a speed setting unit 35 for inputting by a numeric keypad or the like, a lower drive motor switch 33, an upper drive motor switch 34, and a speed setting unit 35 And a lower drive motor driver for sending a drive signal to the lower drive motor 9 based on the control of the control unit 32. 6, are provided with an upper drive motor driver 37 to send a drive signal to the upper drive motor 27 under the control of the control unit 32.

  Next, the operation of the cardboard box crushing apparatus 1 according to the present embodiment will be described with reference to FIG. 1 and FIG. 5 mainly for the compression / crushing operation of the empty cardboard box B.

  First, the lower drive motor switch 33 and the upper drive motor switch 34 are turned on, and the transporting caterpillar 5 and the rotating body 23 are driven in the directions of the arrows shown in FIG.

  Further, the speed setting unit 35 sets the speed difference between the transporting caterpillar 5 and the rotating body 23 to 1: 3.

  Thus, if the moving speed of the crushing lower blade 6 is V, the crushing upper blade 24 rotates at a rotation speed of 3V.

  In this state, an empty cardboard box B is introduced into the one end 3 a side of the transfer caterpillar 5 from the temporary side of the lower housing 3.

  The empty cardboard boxes B put on the transfer caterpillar 5 are placed on the crushing lower blade 6 and transferred to the rotating body 23 side at a moving speed V. Further, the empty cardboard boxes B are The sheet is compressed by being sandwiched from below and above by the transporting caterpillar 5 and the rotating body 23 to form a flat cardboard piece (corrugated cardboard block) in the compression / disintegration region 22.

  At this time, the cutting edge 6a of the crushing lower blade 6 protruding from the conveying caterpillar 5 bites into the cardboard piece from the lower side of the cardboard piece, and the crushing upper blade 24 protruding from the rotating body 23 is From the upper side of the cardboard piece, the cardboard piece is bitten at a higher speed than the cutting edge 6a of the lower blade 6 for crushing.

  As described above, the moving speed of the crushing lower blade 6 and the rotation speed of the crushing upper blade 24 have a 1: 3 relationship. A tearing force such as tearing acts, and as a result, the corrugated board pieces are surely turned into individually separated pieces Ba.

  In this case, the lower blades 6 for crushing are provided in a distributed arrangement perpendicularly to the moving direction of the transporting caterpillar 5 and in a distributed arrangement with a predetermined interval over the entire transporting caterpillar 5. Since the upper blades 24 are arranged in a distributed arrangement perpendicular to the rotation direction of the rotating body 23 and in a distributed arrangement with a predetermined interval over the entire circumference of the rotating body 23, On the other hand, a crushing force can be applied without bias, and a crushing piece Ba can be reliably obtained.

  The crushed pieces Ba are carried out from the other end 3b of the apparatus main body 2 and transferred to the next process.

  The compression / disintegration operation of the empty cardboard boxes B in the compression / disintegration area 22 as described above is performed on a number of empty cardboard boxes B which are successively conveyed to the compression / disintegration area. As a result, by simply putting a large number of empty cardboard boxes B into the apparatus body 2 one after another, it is possible to automatically crush and greatly reduce the volume. The work time required for the B sorting work, the loading work into the packer car and the compression / volume reducing machine, etc. can be greatly shortened, and the work efficiency can be improved and the labor cost can be greatly reduced.

  According to the cardboard box crushing apparatus 1 of this embodiment described above, it has been confirmed that a processing capacity of 60 / min can be realized for an empty cardboard box B of about 350 mm square, for example.

  Further mentioning the characteristics of the cardboard box crushing apparatus 1 of the present embodiment, by setting the dimension of the apparatus main body 2 to about 800 × 1500 mm in plan view, it is possible to realize a space saving of the entire apparatus configuration.

  In addition, by changing variously the effective width of the apparatus main body 2 and the conveying speed by the conveying caterpillar 5 in the cardboard box crushing apparatus 1 of this embodiment, several types of processing are performed for various empty cardboard boxes B. It can be set as the structure which has capability.

  For example, by setting the speed difference between the transporting caterpillar 5 and the rotating body 23 to be larger than the case described above, such as 1: 4, 1: 5, 1: 7, etc., the empty cardboard box B Processing capacity can be further increased.

  In addition, since a large number of empty cardboard boxes B can be continuously conveyed and crushed one after another, a hopper for loading and a carry-out conveyor for carry-out are combined with the apparatus body 2. Thus, it is possible to construct a novel cardboard box automatic crushing processing system capable of automatically loading, crushing, and automatically carrying out the crushed pieces Ba of empty cardboard boxes B.

  In addition to empty cardboard boxes, the present invention is widely applied to crushing and organizing waste cardboard boxes that have already been folded, empty cardboard boxes, and waste materials mainly made of paper. Is possible.

DESCRIPTION OF SYMBOLS 1 Cardboard box crushing apparatus 2 Apparatus main body 3 Lower housing | casing 3a One end 3b Other end 4a 1st caterpillar pulley 4b 2nd caterpillar pulley 4c 3rd caterpillar pulley 5 Carrying caterpillar 6 Crushing lower blade 6a Blade tip 7 Flat bed for transfer caterpillar 8 Caterpillar drive unit for transfer 9 Lower drive motor 21 Upper housing 22 Compression / disintegration area 23 Rotating body 24 Upper blade for crushing 24a Cutting edge 25 Rotating shaft body 26 Rotating body drive unit 27 Upper drive Motor 31 Drive controller 32 Control unit 33 Lower drive motor switch 34 Upper drive motor switch 35 Speed setting unit 36 Lower drive motor driver 37 Upper drive motor driver B Cardboard boxes Ba Shredded pieces

Claims (5)

A cardboard box in which empty cardboard boxes are inserted from one end of the apparatus main body, the empty cardboard boxes are crushed into pieces in the apparatus main body, and the crushed pieces are carried out from the other end of the apparatus main body. A box crusher,
A caterpillar for transportation, which is arranged from one end side to the other end side in the lower region of the apparatus main body, has an upper surface on one end side as an input region of empty cardboard boxes, and has a plurality of lower blades for crushing.
The upper part of the transport caterpillar is arranged on the other end side with respect to the input region, and the outer periphery forming the compression / crushing region of empty cardboard boxes together with the transporting caterpillar with the crushing lower blade is circular. A rotating body projecting a plurality of crushing upper blades at a predetermined interval;
A driving means for driving the caterpillar for conveyance with the lower blade for crushing and the rotating body with the upper blade for crushing at different speeds and moving from the loading side to the unloading side in the compression / crushing region;
Have
Corrugated cardboard boxes compressed by the crushing lower blade and the crushing upper blade while compressing empty cardboard boxes put in by the conveying caterpillar with the crushing lower blade and the rotating body with the crushing upper blade The cardboard boxes are crushed using the difference in speed between the lower blade for crushing and the upper blade for crushing, and the crushed pieces are carried out from the other end side of the apparatus main body. Cardboard box crusher. An apparatus main body including a lower casing and an upper casing disposed on the other end side above the lower casing, and empty cardboard boxes are inserted from one end side of the lower casing. A cardboard box crushing device that crushes the empty cardboard boxes inside the body and the upper casing into pieces, and carries out the pieces from the other end of the lower casing and the upper casing. There,
The lower caterpillar is arranged from one end side to the other end side, the upper end of the one end side is used as an input area for empty cardboard boxes, and a caterpillar for transportation having a plurality of crushing lower blades protruding at predetermined intervals;
It is arranged above the transfer caterpillar in the upper casing and on the other end side of the input area, and forms a compression / crush area for empty cardboard boxes together with the transfer caterpillar with the crushing lower blade. A rotating body having a circular outer periphery and a plurality of crushing upper blades protruding at predetermined intervals;
A driving means for driving the caterpillar for conveyance with the lower blade for crushing and the rotating body with the upper blade for crushing at different speeds and moving from the loading side to the unloading side in the compression / crushing region;
Have
Corrugated cardboard boxes compressed by the crushing lower blade and the crushing upper blade while compressing empty cardboard boxes put in by the conveying caterpillar with the crushing lower blade and the rotating body with the crushing upper blade The cardboard boxes are crushed using the difference in speed between the crushing lower blade and the crushing upper blade, and the crushed pieces are carried out from the lower casing of the apparatus main body and the other end of the upper casing. A cardboard box crushing apparatus characterized by having a configuration.   The direction of the cutting edge of the crushing lower blade is opposite to the moving direction of the transporting caterpillar, and the direction of the cutting edge of the crushing upper blade is the same direction as the rotation direction of the rotating body, The cardboard box crushing apparatus according to claim 1 or 2.   The crushing lower blades are provided in a distributed arrangement in a direction orthogonal to the moving direction of the transporting caterpillar and in a distributed arrangement with a predetermined interval over the entire transporting caterpillar, and the crushing upper blade is rotated by a rotating body. Dispersion is arranged in a direction orthogonal to the direction, and is provided in a dispersion arrangement with a predetermined interval over the entire circumference of the rotating body, and each crushing lower blade and each crushing upper blade are arranged so as not to interfere with each other. The cardboard box crushing apparatus according to any one of claims 1 to 3.   The cardboard box according to any one of claims 1 to 4, wherein a speed difference between the lower blade for crushing and the upper blade for crushing is set to 1: 3 or 1: 3 or more. Similar crushing equipment.

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