JP5013286B2 - Shredder equipment - Google Patents

Description

  The present invention mainly relates to a sheet-like shredded object such as paper that has become unnecessary, a shredded object in which a plurality of papers are stacked, or a document in which a plurality of papers are bundled. The shredder device is capable of shredding shaped shredded objects, etc., especially with high shredding capability, can process a large amount of shredded objects in a short time, and has a simple structure and durability. The present invention relates to a shredder device that is excellent in that it is easy to maintain.

  Conventionally, various types of shredder devices of this type have been provided. For example, as in Patent Document 1, a shredded object such as paper is inserted between a pair of roll cutters having a large number of cutting blades. Many are configured to be shredded.

JP-A-11-290708

However, in the conventional shredder device, the shredded object in a state where a large number of sheets are stacked is shredded using the shearing action of the pair of roll cutters. Since the rotation speed is set to be considerably high and the rotation speed is set to be very slow, there is a problem in that the shredding time becomes long as a result. In particular, when processing a large amount of shredded objects, there is a problem that it is difficult to perform the work efficiently.
In addition, if an attempt is made to shred the object to be shredded more than a predetermined number, the load increases as a pair of roll cutters are engaged, and the pair of roll cutters stops and shreds. There was a risk that the work would be interrupted.

Accordingly, the present invention was created to provide a shredder device capable of solving the above-described difficulties and the like. In the shredder device according to claim 1, the shredding device is appropriately rotated at high speed by a driving means. A shredder device comprising a shredding mechanism having a cutter A and a feeding mechanism capable of manually or automatically feeding an object to be shredded to the shredding mechanism. The rotating cutter A for shredding disposed in the case 40 and the fixing plate 5 for shredding disposed at the end of the feeding path in the feeding mechanism. A pair of bases 10 fixed to the rotating shaft 11, a plurality of mounting rods 12 arranged in a spanning manner between the pair of bases 10, and through the mounting rods 12, and through spacers 16 A plurality of substantially round circles arranged at predetermined intervals The chopping fixing plate 5 is provided with a chopping comb tooth portion 7 in which a plurality of cutout grooves 6 capable of accommodating the outer peripheral edge portions of the plurality of rotatory blades 20 are recessed. The shredded object fed through the feed path by the feed mechanism is moved by a plurality of rotary blades of the rotary cutter A for shredding facing each of the cutout grooves 6 when moving on the fixed plate 5 for shredding. Means configured to be shredded by 20 were employed.

  In the shredder apparatus according to the second aspect, the winding includes the rotating shaft 31, the base body 30 fixed to the rotating shaft 31, and a plurality of scraping pieces 32 protruding from the base body 30. A preventing rotating body B is formed, and the winding preventing rotating body B is arranged in the vicinity of the shredding rotary cutter A, and each space portion between the rotary blades 20 adjacent to the plurality of scraping pieces 32 is provided. Is formed so as to be movable, and at the tip end portion of the scraping piece 32 of the rotating body B for preventing wrapping to be rotated, the shredded covering wound around each space portion between the adjacent rotary blades 20 is provided. Adopted means to be able to scrape off shredded material.

  Then, in the shredder device according to the third aspect, the shredding rotary cutter A employs means configured by combining at least two types of rotary blades 20 having different outer diameters.

  In addition, in the shredder device according to claim 4, the shredding rotary cutter A is formed so as to be bent by the case 40, and an air blowing means is appropriately disposed in the lower part of the case 40 to rotate the shredding. A means is adopted that is configured so that the fine pieces cut by the cutter A can be transported to a predetermined position by the blowing means.

  According to the shredder device of the first aspect of the present invention, a sheet-like shredded object such as paper that has become unnecessary, or a shredded object in which a plurality of papers are stacked, or paper, etc. The shredding ability of a document-like shredded object in a state where a plurality of papers are bundled is extremely high, and a large amount of shredded objects can be efficiently processed in a short time. In addition, the structure is simple, excellent in durability, easy to maintain, suitable for mass production, can be provided at a relatively low cost, and becomes an economical shredder device.

In particular, the shredding mechanism includes a shredding rotary cutter A that is appropriately disposed in the case 40 and rotates at a high speed, and a shredding fixing plate 5 that is disposed at the end of the feed path in the feed mechanism. The shredding fixing plate 5 is provided with a shredding comb tooth portion 7, and when the object to be shredded moves on the shredding fixing plate 5, shredding rotation that faces each of the notch grooves 6. Since it is configured to be shredded by the plurality of rotary blades 20 of the cutter A, in the case of a sheet-like shredded object such as paper (including shredded objects that overlap several sheets), this Can be instantaneously and stably shredded by the rotating cutter A for shredding and the comb tooth portion 7 for shredding of the fixing plate 5 for shredding. In addition, in the case of a shredded object in which a plurality of papers are stacked, it can be shredded in a short time and stably, and further, a document-like shredded object in which a plurality of papers are bundled Also in the case of a thing, this can be shredded stably in a short time. That is, even when the shredded object that is relatively thick is shredded due to the rotating blade 20 rotating at a high speed and having a substantially circular saw blade shape, the shredder is cut so as to cut it. Therefore, unlike shredding using a shearing action as in a conventional shredder device, there is no fear that the shredding operation is frequently interrupted by biting the object to be shredded .

  The object to be shredded is cut by a plurality of substantially circular saw blade-like rotary blades 20 (thickness portions of the rotary blades 20 are miniaturized). Even if the shredded material is to be restored, the portion cut by the rotary blade 20 cannot be restored, and there is no possibility of information leaking from the fine fragments.

In addition, the shredded object can be fed manually or automatically by the feeding mechanism, so that the shredded rotary cutter A can smoothly and continuously feed the shredded object. The time required for shredding a predetermined amount of shredded material can be shortened.
In particular, when shredding a sheet-like shredded object such as paper (including shredded objects that overlap several sheets), this can be shredded instantly, The feeding speed can be set considerably fast, so that not only the shredding time is shortened but also the burden on the rotary blade 20 of the rotary cutter A for cutting is small, and the rotary blade 20 is damaged or worn. Can also be suppressed, and has a positive effect on durability.

  Then, the cutting cutter A for shredding has a pair of bases 10 fixed to the rotary shaft 11, a plurality of mounting rods 12 arranged in a spanning manner between the pair of bases 10, and penetrates the mounting rods 12. Since it is configured to include a plurality of substantially circular saw blade-like rotary blades 20 that are mounted and spaced apart by a predetermined interval via a spacer 16, a relatively simple configuration and rotation are achieved. The blade 20 can be easily mounted in a compatible manner, the maintenance is easy, and the rotary cutter A for shredding is easy to handle.

  And according to the shredder apparatus of Claim 2 of this invention, the to-be-chopped thing to be shredded wound around each space part between the adjacent rotary blades 20 by the rotator B for wrapping prevention. Scraping can be surely and easily performed, and shredding can be performed stably and continuously. As a result, it becomes suitable for shredding of a large amount of shredded objects.

  In particular, the wrapping preventing rotating body B includes a rotating shaft 31, a base body 30 fixed to the rotating shaft 31, and a plurality of scraping pieces 32 protruding from the base body 30, so that it is relatively simple. Thus, the wrapping preventing rotating body B is easy to handle and easy to handle.

  Then, according to the shredder apparatus according to claim 3 of the present invention, when the shredded object is started to be shredded by the shredder rotary cutter A, all the rotary blades 20 shred the shredded object at the same time. Even when a large number of sheets to be shredded are shredded, the shredding rotary cutter A becomes in a state of being bitten and there is no fear that the shredding operation is interrupted. . As a result, a large load is not applied to the chopping rotary cutter A, and the durability of the chopping rotary cutter A is improved.

  In addition, according to the shredder device of the fourth aspect of the present invention, the fine pieces cut by the cutting cutter A can be reliably and smoothly transferred to a predetermined position by the air blowing means as appropriate. .

Hereinafter, the present invention will be described based on illustrated examples as follows.
The present invention mainly relates to a sheet-like shredded object such as paper that has become unnecessary, a shredded object in which a plurality of papers are stacked, or a document in which a plurality of papers are bundled. The shredder device is capable of shredding the shredded material such as a shredded material in a suitable manner, in particular, having a very high shredding capability and capable of processing a large amount of shredded material in a short time, It is configured so that it can be used indoors or mounted on a garbage truck 70 or the like.
Specifically, a shredding mechanism having a shredding rotary cutter A that is appropriately rotated at high speed (for example, 300 to 700 revolutions per minute) by an appropriate driving means, and the shredding object is manually or At least a feeding mechanism capable of automatically feeding, and the shredding mechanism is arranged at a rotating cutter A for shredding appropriately disposed in the case 40 and at a terminal end of a feeding path in the feeding mechanism. The chopping rotary cutter A includes a plurality of substantially circular saw blade-like rotary blades 20 arranged at predetermined intervals along the rotation axis, and is used for chopping. The comb-tooth portion 7 is formed by arranging a plurality of notch grooves 6 that can accommodate the outer peripheral edge portions of the plurality of rotary blades 20 at a predetermined interval, and continuously (or discontinuously) the feeding path by the feeding mechanism. When the object to be shredded is moved on the comb teeth 7 for shredding, the shredding rotary cap facing each of the notch grooves 6 is used. It is obtained by configured to be shredded by cutting by a plurality of rotary blades 20 of the coater A.
That is, in the case of a sheet-like shredded object such as paper (including shredded objects in a state where several sheets are overlapped), this is divided into a rotating cutter A for shredding and a comb tooth part 7 for shredding. Can be shredded instantly and stably, and it becomes relatively thick like a shredded object with multiple sheets of paper or a paper-like shredded object with multiple sheets of paper When the shredded object is shredded, the shredded product is shredded so that it can be shredded stably in a short time.

The shredder apparatus as shown in FIGS. 1 to 3 has a shredding mechanism having a shredding rotary cutter A that is appropriately rotated at high speed by a driving means, and the shredding mechanism manually or automatically. The shredding mechanism includes a shredding rotary cutter A that is appropriately disposed in the case 40, and a shredding comb that is disposed at the end of the feeding path of the feeding mechanism. The rotating cutter A for shredding has a toothed portion 7, and is attached to the rotating shaft 11 through a pair of bases 10 fixed to the rotating shaft 11, and at a predetermined interval via a spacer 16. A plurality of substantially circular saw blade-shaped rotary blades 20 disposed therein, and the guide plate 1 is provided with a plurality of notch grooves 6 in which outer peripheral portions of the plurality of rotary blades 20 can be accommodated. The shredded object provided with the tooth portion 7 and fed through the feeding path by the feeding mechanism is a comb tooth for shredding When moving on 7, it is one that is configured to be chopped by a plurality of rotary blades 20 of the chopping rotary cutter A facing the notch groove 6 respectively.
Moreover, in the vicinity (downward) of the shredding rotary cutter A, a winding preventing rotating body B as a winding preventing mechanism is arranged. The winding preventing rotating body B is, for example, the rotating shaft 31. And a base 30 fixed to the rotating shaft 31 and a plurality of scraping pieces 32 protruding from the base 30, and a space portion between the rotary blades 20 adjacent to the plurality of scraping pieces 32. Each piece is formed so as to be movable, and at the tip part of the scraping piece 32, the shredded object wound around each space part between the adjacent rotary blades 20 can be scraped off. It is configured.

The feeding mechanism includes, for example, a guide plate 1 and a guide upper piece 8 on which a rotating cutter A for shredding of the guide plate 1 is disposed above the wrinkle.
And the said guide plate 1 is formed in the substantially rectangular plate shape, for example, and it is comprised so that it can be made into the arbitrary inclination states which become low as the rotary cutter A for shredding goes from a substantially horizontal state. ing. That is, the object to be shredded is formed so that the shredding rotary cutter A can smoothly and smoothly feed using gravity or the like. The guide plate 1 may be provided with a plurality of feed rollers 2 and the like, and may be provided with appropriate driving means for driving and rotating the feed rollers 2.

In addition, a plurality of notch grooves 6 having a substantially elongated groove shape are arranged at predetermined intervals along the end edge at the end edge portion of the shredding rotary cutter A of the guide plate 1. That is, it is formed in a comb-like shape by the notch groove 6, and this portion is a comb tooth portion 7 for shredding.
By the way, the chopping comb tooth portion 7 is not provided directly on the guide plate 1 but is provided on the chopping fixing plate 5 by providing a chopping fixing plate 5 that is separate from the guide plate 1. Also good.

  The guide upper piece 8 has, for example, a substantially elongated strip shape, and is disposed above the guide plate 1 while the end of the feeding path is arranged on the side. In addition, the rotary cutter A for shredding is formed so as to limit the thickness (number of pieces) of the shredded object that can be fed all at once. It is formed so that it can be prevented. That is, it is configured so that a large number of objects to be shredded are not fed at a time exceeding the shredding ability of the shredding rotary cutter A.

  Further, the shredding rotary cutter A is, for example, attached to the rotary shaft 11 through a rotary shaft 11 rotatably supported by a case 40 or a frame, a pair of bases 10 fixed to the rotary shaft 11, and the rotary shaft 11. And a plurality of substantially circular saw blade-like rotary blades 20 arranged at predetermined intervals via spacers 16, and the outer peripheral edge portions of the plurality of rotary blades 20 are notched in the comb teeth portion 7 for shredding. It is formed so as to be accommodated in each of the grooves 6. That is, the object to be shredded fed on the shredding comb teeth 7 is cut with a plurality of rotary blades 20 to be shredded. In addition, the rotary cutter 20 can be easily assembled and disassembled, and the rotary blade 20 that is a consumable can be easily mounted in a compatible manner.

  The base 10 has, for example, a substantially disk shape, and is formed so that the rotating shaft 11 can be fixed to a central portion of the base 10 via a through bolt / nut or the like.

  The rotary shaft 11 has, for example, a single long round bar shape, and is formed so as to penetrate the pair of bases 10, the plurality of rotary blades 20, and the plurality of spacers 16.

  The spacer 16 has, for example, a substantially disk shape having a relatively large diameter, and is interposed between the adjacent rotary blades 20 so that the plurality of rotary blades 20 can be arranged at a predetermined interval. Yes. That is, the spacer 16 is formed so as to surely prevent the object to be cut from entering the central space portion of the adjacent rotary blade 20.

The rotary blade 20 has, for example, a substantially circular saw blade shape, and a through-fixing hole of the rotary shaft 11 is formed in the center portion thereof.
In addition, the plurality of cutting blades 21 provided on the outer peripheral portion of the rotary blade 20 are formed so as to be alternately bent to the left and right side portions (for example, formed in a clam shape). The cut portion is formed so that it cannot be reproduced even if fine pieces are collected, because a portion of a certain width becomes chip-shaped (miniaturized).

  The winding preventing rotator B is configured so as to rotate in the same direction as the chopping rotary cutter A by an appropriate driving means, and is chopped between the rotary blades 20 adjacent to the chopping rotary cutter A. It is formed so that it can be surely scraped off when fragments remain.

  The base 30 of the winding preventing rotator B has, for example, a substantially cylindrical shape and is configured to be fixed to the rotating shaft 31 via a through bolt, a nut, or the like.

  The rotating shaft 31 is attached to, for example, the case 40, the frame, or the like, and is formed so as to be driven and rotated by being linked to driving means as appropriate.

  The scraping piece 32 has, for example, a substantially elongated strip shape, and protrudes from the base 30 so as to have an interval of 90 degrees (or an interval of 60 degrees or any other suitable interval can be adopted).

  The winding preventing rotator B is formed so as to be driven and rotated at a speed faster than the rotational speed of the shredding rotary cutter A. In particular, the peripheral speed at the tip of the scraping piece 32 is high. The shredded object that is rotated so as to be faster than the peripheral speed of the spacer 16 and wound around the spacer 16 can be surely and quickly scraped off by the piece 32.

Incidentally, instead of the guide upper piece 8, a pressing roller 50 as shown in FIGS. 4 to 7 may be provided. That is, the presser roller 50 is fixed to the guide plate 1 so that the end portion of the feeding path is arranged above the guide plate 1 in the feeding mechanism and straddles the conveying path of the shredded object. The support frame 51 is attached to the left and right sides of the support frame 51 and is supported by shaft support bodies 52 that rotatably support the shaft portions at both ends of the press roller 50. The outer surface is subjected to knurling as anti-slip means.
Further, brake bodies 53 are disposed on the left and right sides of the support frame 51, and a brake shoe 54 for braking is fixed to the lower surface of the brake body 53, and the brake shoes 54 are attached to the press roller. 50 is formed so as to be able to contact both end portions.
That is, the presser roller 50 is disposed so as to have a predetermined gap (a space for passing the shredded object) between the presser plate 1 and a predetermined amount or more of the shredded object is conveyed to this portion. In addition, the presser roller 50 is configured to move upward against the spring force of the spring provided on the shaft support 52.
At this time, both ends of the presser roller 50 are pressed against the brake shoe 54 of the braking body 53, so that it becomes difficult to rotate (or the rotation is prevented), and only the maximum predetermined amount of the shredded object passes. In addition, the feeding speed of the maximum predetermined amount of the shredded object is slowed down. That is, the shredded rotary cutter A is not stopped, and the shredded object can be fed at a speed reduced according to the processing capacity of the shredded rotary cutter A.

8 and 9 show that a lifting mechanism 60 is provided instead of the guide plate 1 in the feeding mechanism. The shredding fixing plate 5 of the lifting table 60 has guide rails 61 on the left and right sides. Is arranged so that the lifting table 60 can be raised by an elastic spring built in the guide rail 61.
That is, by simply stacking a large amount of shredded objects on the lifting table 60, this is automatically raised by the elastic spring, and the shredded objects are continuously shredded via the presser roller 3. The rotary cutter A is configured to be fed to the alligator.

  Further, the specific configuration, shape and dimensions of the shredder device, the specific configuration of the feeding mechanism, the shape, dimensions, the arrangement position, the specific configuration, shape, dimensions, material, arrangement position of the guide plate 1 and the feed roller 2 Specific configuration, shape, dimensions, material, number, arrangement position, specific configuration of presser roller 3, shape, dimensions, material, number, arrangement position, specific configuration, shape of fixing plate 5 for shredding, Dimensions, material, arrangement position, specific configuration of notch groove 6, shape, dimensions, number, arrangement position, specific configuration of shredding comb teeth 7, shape, dimensions, number, arrangement position, on guide Specific configuration, shape, dimensions, material, disposition position, specific configuration of shredding mechanism, disposition position, specific configuration, shape, dimensions, material, disposition position of chopping rotary cutter A, Specific configuration, shape, dimensions, material, arrangement position of base 10, specific configuration, shape, dimensions, material of rotating shaft 11 , Arrangement position, specific configuration of spacer 16, shape, dimensions, material, number, arrangement position, specific configuration of rotating shaft 11, shape, dimensions, material, arrangement position, specific configuration of spacer 16, shape , Dimensions, materials, number, arrangement position, specific configuration of rotary blade 20, shape, dimensions, material, number, arrangement position, specific configuration of cutting blade 21, shape, dimensions, number, arrangement position, base 30 specific configurations, shapes, dimensions, materials, arrangement positions, specific configurations of rotating shaft 31, shapes, dimensions, materials, arrangement positions, specific configurations of scraping pieces 32, shapes, dimensions, materials, numbers , Arrangement position, specific configuration of case 40, shape, dimensions, material, specific configuration of presser roller 50, shape, dimensions, material, arrangement position, specific configuration of support frame 51, shape, dimensions, material, Arrangement position, specific configuration of shaft support 52, shape, dimensions, material, arrangement position, braking 53, specific configuration, shape, dimensions, material, disposition position, specific configuration of brake shoe 54, shape, dimensions, material, disposition position, specific configuration of lift table 60, shape, dimensions, material, disposition The position, the specific configuration of the guide rail 61, the shape, the dimensions, the material, the arrangement position, the specific configuration of the drive means, the arrangement position, the specific configuration of the blower means, the number, the arrangement position, etc. are those of the illustrated example etc. It can be freely set and changed as appropriate without limitation.

It is a partial notch schematic side view which shows the Example of the shredder apparatus of this invention. It is a partial notch schematic top view which shows the Example of the shredder apparatus of this invention. It is a partially notched schematic rear view showing an embodiment of the shredder device of the present invention. It is a partially notched front view which shows the Example of the pressing roller part of the shredder apparatus of this invention. It is a side view which shows the Example of the pressing roller part of the shredder apparatus of this invention. It is a partially notched side view which shows the Example of the pressing roller part of the shredder apparatus of this invention. It is a partially notched side view which shows the Example of the pressing roller part of the shredder apparatus of this invention. It is a side view which shows the other Example of the feed mechanism of the shredder apparatus of this invention. It is a front view which shows the other Example of the feed mechanism of the shredder apparatus of this invention.

DESCRIPTION OF SYMBOLS 1 Guide plate 2 Feed roller 3 Pressing roller 5 Fixed plate 6 for shredding Notch groove 7 Comb part 8 for shredding Guide upper piece A Shredder rotary cutter 10 Base 11 Rotating shaft 16 Spacer 20 Rotary blade 21 Cutting blade B Winding Anti-stick rotating body 30 Base 31 Rotating shaft 32 Scraping piece 40 Case 50 Presser roller 51 Support frame 52 Shaft support 53 Brake body 54 Brake shoe 60 Lifting table 61 Guide rail

Claims (4)

A shredder device comprising a shredding mechanism having a rotating cutter for shredding that is rotated at high speed by an appropriate driving means, and a feeding mechanism capable of manually or automatically feeding a shredded object to the shredding mechanism. The shredding mechanism includes a shredding rotary cutter appropriately disposed in the case, and a shredding fixing plate disposed at the end of the feeding path in the feeding mechanism. The cutting rotary cutter includes a pair of bases fixed to the rotation shaft, a plurality of mounting rods arranged in a spanning manner between the pair of bases, and through-attached to the mounting rods, and via spacers A plurality of substantially circular saw blade-shaped rotary blades arranged at a predetermined interval, and a plurality of notch grooves that can accommodate outer peripheral portions of the plurality of rotary blades are recessed in the fixed plate for shredding. The shredded object is provided with a comb tooth portion for shredding and fed through the feeding path by the feeding mechanism. When moving shredding fixed plate above, shredder apparatus characterized by being configured to be shredded by a plurality of rotary blades of the shredding rotary cutter which faces the notch Mizootto people.   An anti-winding rotator comprising a rotating shaft, a base fixed to the rotating shaft, and a plurality of scraped pieces projecting from the base is formed, and the anti-winding rotator is shredded. The tip of the scraping piece of the rotating body for preventing wrapping that is arranged in the vicinity of the rotary cutter and is formed so that each of the space portions between the rotary blades adjacent to each other is movable. The shredder device according to claim 1, wherein the shredder device is configured to scrape off the shredded object wound around each of the space portions between adjacent rotary blades.   The shredder device according to claim 1 or 2, wherein the shredding rotary cutter is configured by combining at least two kinds of rotary blades having different outer diameters.   The shredding rotary cutter is formed so as to be bent by the case, and an air blowing means is appropriately disposed at the lower part of the case, so that the fine pieces shredded by the shredding rotary cutter can be transferred to a predetermined position by the air blowing means. 4. The shredder device according to claim 1, wherein the shredder device is configured as described above.

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