JPH03192027A - Sheet feeder for small piece of paper - Google Patents

Abstract

PURPOSE:To shred small paper pieces with a high efficiency by arranging a delivery hopper which delivers small paper pieces to the receiving port of a shredder by a prescribed amount, facing downwards on the upper end side of a feed conveyer to feed small paper pieces continuously by the quantity corresponding to shredding ability to the shredder. CONSTITUTION:The small paper pieces put into a delivery hopper 11 are taken out by a particular amount regulated by a main adjusting plate 32 through a feed conveyer for continuous feed. In a feed adjusting chamber 31, small paper pieces are delivered by a particular amount regulated by the feed adjusting plate 32 from a delivery hopper 41 to a shredder to carry out continuous shredding according to its shredding ability.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a feeding device for small paper pieces, and more specifically, to a shredding device for effectively shredding small paper pieces. -fl! The present invention relates to a feeding device for feeding the fish.

[Conventional technology]

Recently, there has been a general trend to first cut pieces of paper into small pieces and then dispose of them, which cannot be disposed of immediately due to various reasons. The use of shredders as a device is remarkable, especially when it comes to small pieces of paper such as used train tickets and coupon tickets. At first glance, they are not suitable for disposal, so a shredding device is used to cut them into fine pieces before they are disposed of.

[Problem to be solved by the invention]

In order to shred this kind of small pieces of paper, it is necessary to efficiently process all of the small pieces of paper collected in large quantities. It is preferable to efficiently shred the collected amount by continuously feeding it, but normally, when handling the large amount of collected small paper pieces, each small paper piece itself is Gatokaku - something that is easy to accumulate in each block of lumps,
When shredding these, small pieces of paper are often supplied to the shredding device in the form of blocks, which exceeds the shredding capacity of the shredding device. In addition to making processing difficult, the individual pieces of paper that are being fed may intertwine and form bridges, which prevent them from being properly bitten between the rotating blades in the shredding device. On the contrary, there were problems such as the risk of damaging the cutting edge.

This invention was made to solve these conventional problems, and its purpose is to continuously feed small pieces of paper to a shredding device in an amount corresponding to its shredding capacity. It is an object of the present invention to provide a feeding device for small pieces of paper of this type, which can feed small pieces of paper and efficiently shred them.

[Means to solve the problem]

In order to achieve the above object, the feeding device for small paper pieces according to the present invention includes an input hopper into which small paper pieces are input, and an input hopper which is arranged to be inclined diagonally upward from the bottom side of the input hopper. A feeding conveyor that feeds the small pieces of paper thrown into the hopper upwards, a main adjustment plate formed on the feeding conveyor that regulates the small pieces of paper taken out from the input hopper to a specific amount, and There is a feeding adjustment chamber divided by a feeding amount adjustment plate that limits the amount of small pieces of paper to be sent out to a predetermined amount, and a feeding adjustment chamber that is arranged facing downward at the upper end of the feeding conveyor to limit the amount of small paper pieces that are sent out. The apparatus includes a discharge hopper for discharging and supplying small paper pieces to the receiving port of the shredding device.

[For production]

That is, in this invention, a feeding conveyor takes out small pieces of paper put into an input hopper in a specific amount regulated by a main adjustment plate and continuously feeds them, and a feeding adjustment chamber adjusts the feeding amount. A predetermined amount of small paper pieces regulated by the adjusting plate can be sent from the discharge hopper to the shredding device and continuously shredded according to the shredding capacity of the shredding device.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, one embodiment of a feeding device for small pieces of paper according to the present invention will be described in detail with reference to FIGS. 1 to 3.

FIG. 1 is a perspective explanatory view showing an outline of a state in which the feeding device for small paper pieces according to this embodiment is combined with a shredding device, and FIG. 2 shows details of the feeding device for small paper pieces according to the above. FIG. 3 is a side view schematically showing the structure with a part of the structure cut out, and FIG. 3 is a perspective view showing a belt conveyor installed in the same device.

In the configurations of the embodiments shown in FIGS. 1 to 3, reference numeral A indicates a feeding device for small paper strips B to which this embodiment is applied, and C indicates a thin paper strip that is combined with the feeding device for small paper strips ^. Shredding device 1 For example, a shredding device known as an MS shredder for shredding paper sheets is shown.

The feeding device for small pieces of paper has a suitable free wheel 2 at the bottom.
It has a machine casing 1 which is movable by arranging it, and in order to make it easier to use an input port 12 for small paper pieces B, which is an object to be shredded, in this machine casing 1, for example, , an input hopper 11 opened to match the height of an office desk, etc., and diagonally upward from the bottom side of the input hopper 11 at an upward slope of usually 30 degrees to 60 degrees, preferably about 45 degrees. A feeding conveyor 21 is arranged to be inclined to the side and feeds the small pieces of paper B thrown into the input hopper 11 upward, and a conveyor 21 is formed in the upper half of this feeding conveyor 21 and is connected to the input hopper 11. The space between them is divided by a main adjustment plate 32, and the space between them and the upper end of the conveyor is divided by a feeding amount adjustment plate 33, and small pieces of paper B are fed in a specific amount according to the regulation by the main adjustment plate 32.
A feeding adjustment chamber 3 that limits and sends out by a feeding amount adjusting plate 33
1, and a predetermined amount of small paper pieces B which are arranged facing downward on the upper end side of the feeding conveyor 21 and are sent out are discharged and supplied from the discharge port 42 to the receiving port of the shredding device C described above. The discharge hopper 41 is equipped with a discharge hopper 41.

Here, regarding the input hopper 11, the input port 1
In order to smoothly introduce the small paper pieces B introduced from 2,
The lower end of the conveyor is lined with a baffle plate 13 made of a rubber sheet or the like that surrounds it from three sides other than the feeding direction, and the small pieces of paper B are similarly guided smoothly into the remaining one, the feeding direction side. At the same time, in order to allow only a specific amount of the small pieces of paper B to pass through, a main adjusting plate 32 made of a rubber sheet or the like is vertically adjustable and is suspended so that the distance from the conveyor surface can be appropriately set. It's a shame. In this case, even on the feeding direction side, the main adjusting plate 32 is arranged to hang down on the outside of the conveyor surface, which is lined with a similar plate at a sufficient distance from the conveyor surface. You can do it like this.

Therefore, according to this input hopper 11, the small paper pieces B to be shredded can be easily and smoothly received from the input port 12, and accommodated and held. B can be fed onto the next feeding conveyor 21 from the bottom side.

Further, the feeding conveyor 21, which is arranged so that the lower part is visible on the bottom side of the input hopper 11, uses a pair of conveyor frames 22 and 22, and each of these conveyor frames 2
An endless conveyor belt 24 is stretched between the conveyor rolls 23 and 23 which are pivotally supported by 2.22, and an electric motor whose speed can be adjusted via a reduction gear or a variable reduction gear as appropriate The conveyor belt 24 is made of a flexible material such as rubber, polyurethane, or canvas, and is provided with suitable loosening prevention means, such as one side of the conveyor belt 24. It is preferable to take measures such as making the conveyor roll 23 movable in the tensioning direction, or supporting the back side of the conveyor surface with an appropriate core plate or the like.

On the feeding surface side of the conveyor belt 24, in order to ensure and facilitate feeding of the small pieces of paper B, a predetermined protruding height is provided so as to be substantially orthogonal to the feeding direction. The motsu raking protrusions 25 are provided protrudingly at equal intervals. Also,
Regarding the shape and size of each of these scraping protrusions 25, as shown in the figure, it is common to form a series of strips with a height of about 5 to 10 mm, but depending on the size of the small paper pieces B to be fed. In this case, the conveyor belt 24 can be made into a discontinuous shape or a discontinuous and variable sliding shape depending on the desired feeding amount. If it is, it is not necessarily necessary to provide each scraping protrusion 25.

Therefore, according to this feeding conveyor 21, the small paper pieces B held in the input hopper 11 are scraped out from the bottom side by the scraping protrusions 25 in the lower conveyor section. At the same time, it is possible to continuously feed small pieces of paper within the range regulated by the main adjustment plate 42, that is, a specific amount of small pieces of paper B to the conveyor section on the upper half side, and at the same time, the feeding speed can be adjusted. Therefore, the amount of feed per hour can be adjusted.

Further, the feed adjustment chamber 31 formed in the upper half of the feed conveyor 21 is divided into the main adjustment plate 32 and the feed amount adjustment plate 33 as described above. As for the feed conveyor 21 from inside the input hopper 11
In order to regulate the small paper pieces B taken out by the conveyor 2 to a specific amount, the latter feeding amount adjustment plate 33 is controlled to a specific amount. In order to regulate the amount of small pieces of paper B fed by the conveyor to a predetermined amount, the distance between them and the conveyor surface can be arbitrarily adjusted by appropriate mechanisms, and the small pieces of paper B in the feeding process are In order to maintain smooth feeding of B, an outer cover 34 that can be opened and closed for maintenance is provided.

Therefore, according to this feeding adjustment chamber 31, the small pieces of paper B taken out from the input hopper 11 onto the feeding conveyor 21 are regulated by the main adjustment plate 32, so that
It is introduced into the feed adjustment chamber 31 in a state limited to only a specific amount, and is regulated by the feed amount adjustment plate 33 at the time it passes through the chamber 31, so that the amount is controlled to a predetermined amount. It will be sent out as is, in a limited condition.

That is, to put the action at this time in other words, the small pieces of paper B that are randomly thrown into the input hopper 11 are as follows:
The relative processing amount per hour of navel set by the main adjustment plate 32, as shown, can be continuously taken out into the feeding adjustment chamber 31, and in the input hopper 11, this amount is As the material is continuously taken out, it is subjected to one type of stirring action as shown by the arrows, so that it can be taken out smoothly by the feeding conveyor 21.

In addition, the specific amount of small paper pieces B introduced into the feed adjustment chamber 31 in this way is treated with the most appropriate shredding acid set by the feed amount adjustment plate 33. A predetermined amount can be sent to the next shredding device C, and at this time, in the feed adjustment chamber 31, the excess small paper pieces B regulated by the feed amount adjustment plate 33 are At the same time, it is subjected to a kind of circulation action as shown by the arrow C within the same room 31, so that the feed conveyor 21 can always smoothly send out a predetermined amount.

Furthermore, the discharge hopper 41 that discharges and supplies a predetermined amount of the small paper pieces B sent out to the receiving port of the shredding device C is designed to ensure good connection to the receiving port of the shredding device C. For example, it is possible to take measures such as making the length variable or making it bellows-shaped, so that the feeding adjustment chamber 31
A predetermined amount of small paper pieces B sent out from inside can be smoothly discharged and supplied to the shredding device C, and in the shredding device C, these small paper pieces B are It can perform continuous shredding according to its own shredding capacity.

〔Effect of the invention〕

As described in detail above, according to the present invention, in a device for feeding small paper pieces, which are objects to be shredded, to a shredding device, there is provided a feeding hopper into which small paper pieces are fed, and a feeding hopper. A feeding conveyor which is arranged diagonally upward from the bottom side of the input hopper and feeds the small pieces of paper thrown into the input hopper upward;
a feed adjustment chamber divided by a main adjustment plate that regulates the small paper pieces taken out from the input hopper to a specific amount, and a feed amount adjustment plate that limits the small paper pieces to be fed to a predetermined amount; Since the structure includes a discharge hopper that is disposed facing downward at the upper end of the feeding conveyor and supplies a predetermined amount of small paper pieces sent out to the receiving opening of the shredding device, the input hopper , the small paper pieces to be shredded can be easily and smoothly received, accommodated and held, and in this state can be sent from the bottom side onto the feeding conveyor;
In the feeding conveyor, a specific amount of small pieces of paper in the input hopper can be taken out from the bottom side within a range regulated by the main adjustment plate, and in the feeding adjustment chamber, the small pieces of paper that are introduced can be taken out from the bottom side. It is possible to smoothly discharge and supply the shredder from the discharge hopper to the shredding device while limiting the amount to a predetermined amount by regulating the feed amount adjustment plate.As a result, in this shredding device, the small Paper pieces can be shredded continuously according to the desired shredding capacity.

At this time, in the input hopper, the small pieces of paper are agitated by the control of the main adjustment plate as they are continuously taken out, so that the feeding conveyor can smoothly take out a specific amount. In the feed adjustment chamber, the excess small paper pieces regulated by the feed amount adjustment plate undergoes a circulation action, so that the continuous feeding of a predetermined amount of small paper pieces to the shredding device is always carried out smoothly. It has the advantage of being able to be used to

[Brief explanation of drawings]

4 FIG. 1 is a perspective explanatory view showing an outline of a state in which a small paper piece feeding device according to an embodiment of the present invention is combined with a shredding device;
Fig. 2 is a partially cutaway side view schematically showing the detailed structure of the feeding device for small pieces of paper, and Fig. 3 is a perspective view showing a belt conveyor installed in the device. be. A: Feeding device for small pieces of paper, B: Small pieces of paper,
C... Shredding device, 1... Aircraft, 11...
・Input hopper, 12... Input port, 13...
Hakama board, 21... Feeding conveyor, 22... Conveyor frame, 23... Conveyor roll, 24...
... Conveyor belt, 25 ... Kakiage projection piece, 3
1... Feeding adjustment room, 32... Main adjustment plate, 33...
...Feeding amount adjustment plate, 41...Discharge hopper 42.
...Discharge port.

Claims (5)

[Claims] (1) A device for feeding small pieces of paper, which are objects to be shredded, to a shredding device, which includes an input hopper into which the small pieces of paper are input, and an oblique upward slope from the bottom side of the input hopper. A feeding conveyor is arranged to be inclined upward and feeds the small pieces of paper thrown into the input hopper upward, and a feeding conveyor is formed on the feeding conveyor to feed the small pieces of paper thrown into the input hopper in a specified amount. A feeding adjustment chamber divided by a main adjustment plate that regulates the amount of small paper pieces to be fed, and a feeding amount adjustment plate that limits the amount of small paper pieces to be fed and sends out a predetermined amount, and is located at the upper end of the feeding conveyor facing downward. 1. A feeding device for small paper pieces, comprising: a discharge hopper for discharging and supplying a predetermined amount of small paper pieces to a receiving port of a shredding device. (2) The input hopper is lined with a board,
2. A feeding device for small pieces of paper according to claim 1, wherein a sufficient distance is provided between the feeding side feed plate and the conveyor surface, and the distance between the main adjustment plate and the conveyor surface can be adjusted within this distance. (3) The feeding device for small paper pieces according to claim 1, wherein the input hopper is lined with a wall plate, and the feeding side wall board is a main adjustment plate whose distance from the conveyor surface is adjustable. . (4) The feeding device for small pieces of paper according to claim 1, wherein the conveyor belt of the feeding conveyor is formed to have a non-slip specification. (5) The small pieces of paper according to claim 1, wherein on the conveyor belt of the feeding conveyor, scraping protrusions having a predetermined protruding height are provided at equal intervals substantially perpendicular to the feeding direction. feeding device.