JP2004216523A - Method of manufacturing non-flexible foam resin chip - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily and shortly manufacture a non-flexible foam resin chip of uniform size and an angular shape. <P>SOLUTION: The manufacturing method for the non-flexible foam resin chip comprises a rotary plate having a chip discharge opening portion and a cutter portion, at least a charge port and a carrying means for supplying the non-flexible foam resin chip to the cutter portion of the rotary plate, and a driving means for driving the rotary plate and the carrying means. This method uses a cutter device for manufacturing the angular chip from a sample, in which the cutter portion of the rotary plate is located between the charge port and the rotary plate and mounted on the rotary plate, a cutter knife of the cutter portion is mounted on the rotary plate in approximately parallel to the rotary plate, and a plurality of slit teeth are arranged in the opening portion in the state of intersecting the cutter knife at a right angle. The sample is supplied from the charge port to the cutter portion by the carrying means and the sample is cut into the angular chip of fixed size and shape by the cuter portion and then delivered to the reverse side of the rotary plate. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method for producing a non-flexible foamed resin chip used for raising seedlings and the like.
[0002]
[Prior art]
Conventionally, for example, in order to form a flexible foam made of urethane resin into a chip shape, a resin foam is sandwiched between upper and lower rolls, fixed so as not to move, and a hook-like shape attached to a roll such as a cotton hammer. After being squeezed with the pins and screening before going to the outlet, those larger than the sieve were returned to the supply port again and manufactured as chips smaller than a certain size.
[0003]
As another method, after fixing the resin foam as described above, tearing it off using a device with a stepped rotary blade for crushing plastics, screening by the time it goes to the outlet, a screen larger than the sieve Was returned to the supply port and was manufactured as chips smaller than a certain size.
[0004]
Further, in order to obtain a horn-shaped chip, it is manually performed with a cutter or the like.
[0005]
Heretofore, no technique has been known for cutting a non-flexible foamed resin sample into fixed-size and fixed-size square chips.
[0006]
[Patent Document]
None [0007]
[Problems to be solved by the invention]
However, the prior art has the following problems.
When the resin foam is a non-flexible foam, the foam surface is destroyed only by touching the rotation of the roll, and further, when the resin foam is fixed by the roll, the entire foam collapses. Furthermore, even if the resin foam is properly sandwiched between the rolls, it will be broken when trying to tear the resin foam, and only a small amount of irregular shaped pieces and a large amount of powder will be formed,・ Thing having dimensions and being usable as a chip could not be manufactured. Furthermore, in the case of manual work, although a square shape can be formed, the size is not uniform and a great deal of labor and time are required.
[0008]
The present invention has been made in view of such circumstances, and a non-flexible foamed resin sample is supplied to a cutter unit attached to a rotating plate by a transport unit, and the supplied sample is measured and fixed by the cutter unit. An object of the present invention is to provide a method for manufacturing a non-flexible foamed resin chip, which can cut a square chip having a uniform size easily and in a short time by cutting the chip into a square chip having a shape. And
[0009]
[Means for Solving the Problems]
The present invention provides a rotating plate having an opening for discharging a rectangular chip and having a cutter portion, and supplying a non-flexible foamed resin sample to at least the cutter portion of the rotating plate. An input port and a transport unit; and a driving unit for driving the rotary plate and the transport unit, respectively. A cutter unit of the rotary plate is located between the input port and the rotary plate, and is attached to the rotary plate. The knife blade is attached to the rotating plate so as to be substantially parallel to the rotating plate, and a plurality of slit teeth are formed by using a cutter device arranged to intersect the knife blade at right angles to the knife blade at the opening. In a method of manufacturing a square chip from a resin sample,
The sample is supplied to the cutter unit from the input port by the transfer unit, and the supplied sample is cut into fixed-size and fixed-size square chips by the cutter unit. This is a method for producing a non-flexible foamed resin chip, which is characterized in that it is sent out.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the method for producing a non-flexible foamed resin chip according to the present invention will be described in more detail. Here, the non-flexible foamed resin refers to a foamed resin having a property having no remarkable flexibility and recoverability, and examples thereof include a hard / semi-hard foamed urethane resin and a foamed phenol resin.
[0011]
In the present invention, the distance between the rotating plate and the knife blade of the cutter unit, the interval between the slit teeth, and the height of the non-flexible foamed resin sample supplied to the cutter unit can be arbitrarily changed. Thereby, the dimensions of the chip can be freely adjusted. Therefore, it is preferable that the knife blade and the slit teeth are configured to be detachable from the rotating plate.
[0012]
Further, it is preferable that at least one cutter unit is disposed on a line connecting the center of the rotary plate and a point on the circumference with a straight line. Here, when the distance between the rotary plate and the knife blade of the cutter unit is L and the interval between the slit teeth is D, two or more types of cutter units having different sizes of the distance L and / or the interval D are used. It is preferable to arrange them. In this manner, two or more types of chips having different sizes can be manufactured in one operation.
[0013]
The distance L can be freely adjusted by the thickness of the spacer interposed between the rotating plate and the knife blade (see FIG. 2C). The slit teeth are integrated with the slit tooth frame by welding or by inserting with a sufficient length (see FIG. 2B).
[0014]
In the present invention, the rotating plate and the transporting means can be driven by a driving means such as a motor. In addition, examples of the transport unit include a conveyor belt suspended by a driving roller and a driven roller, but are not limited thereto, and may include a plurality of rollers.
[0015]
In the present invention, when a non-flexible foamed resin sample is cut by the cutter unit, small chip pieces and a small amount of cut powder are generated. Therefore, antistatic measures should be taken so that these pieces do not stay in the apparatus. Is preferred.
[0016]
As such a device, a food slicer for food, in which slit teeth are attached to the teeth, can be suitably used. As an example of the food slicer, there is a digital food slicer (trade name: ECD-201 type) manufactured by Enomura Corporation.
[0017]
【Example】
Hereinafter, an embodiment of the present invention will be described with reference to FIGS. Here, FIG. 1 is an explanatory view of a manufacturing apparatus used for a method of manufacturing a non-flexible foamed resin chip according to the present invention, and FIG. 1 (A) is an overall view schematically showing the manufacturing apparatus. 1B shows a plan view of a rotating plate of the manufacturing apparatus. FIG. 1C shows a plan view of the cover portion 1a. FIG. 2 is an enlarged explanatory view of a main part of the cutter unit. FIG. 2 (A) is a view of the cutter unit of the rotating plate as viewed from the front side (input port side), and FIG. 2 (B) is a cutter unit. FIG. 2C is a cross-sectional view of a main part of the cutter unit, as viewed from the back side (discharge side). FIG. 3 is an explanatory view of slit teeth of a cutter section in the manufacturing apparatus of FIG. However, the materials and the like described in the following examples are merely examples, and the present invention is not limited to these descriptions.
[0018]
In FIG. 1, reference numeral 1 denotes a cover including cover portions 1a and 1b having a chip discharge port 1 'at a lower portion. The rotating plate 3 provided with the cutter unit 2 is covered with the cover 1. The rotary plate 3 to which the cutter unit 2 is attached has an opening 4 for discharging the cut sample. As shown in FIG. 2, the cutter unit 2 is attached to the surface of the rotating plate 3 with screws 11 and is attached to the rotating plate 3 so as to be substantially parallel to the rotating plate. And a plurality of slit teeth 6 which are arranged so as to intersect at right angles and are separated from each other. The screw 11 includes a bolt 11a and a nut 11b.
[0019]
The slit teeth 6 are attached to the rotating plate 3 with screws. Here, the tip 5a of the knife 5 and the tip 6a of the slit tooth 6 are in contact. The reason for this is that either of the tips 5a and 6a may come into contact with the sample first, but if they are not always in contact, the sample will be discharged in a connected state. This is to avoid it. As is clear from FIG. 2, the slit teeth 6 are supported by a slit tooth frame 8 fixed to the rotating plate 3 using screws 7. Here, the screw 7 includes a bolt 7a and a nut 7b. Further, the opening 4 is provided with a discharge guide 10 so that the chips can be smoothly dropped from the discharge port.
[0020]
As shown in FIGS. 1B, 2A and 2B, the cutter section 2 is arranged on a line connecting the center of the rotary plate 3 and a point on the circumference. A first motor (driving means) (not shown) is connected to a center portion of the rotating plate 3 via a rotating shaft 12, and the rotating plate 3 is rotated by the motor as shown by an arrow A, for example. . A loop-shaped conveyor belt (transporting means) 15 suspended by a driving roller 13 and a driven roller 14 is disposed near the rotating plate 3. A motor (driving means) 16 is connected to the driving roller 13 via a rotating shaft 12, and the driving roller 13 is driven by the motor 16 to convey the conveyor belt 15 in the direction of arrow B. I have. An upper pressing belt 18 is arranged above the conveyor belt 15 so that the sample is reliably transported from the input port 17 to the cutter unit 2 attached to the rotating plate 3. The belt 18 does not have a drive motor and is arranged to securely hold the sample.
[0021]
When a chip is manufactured by using the manufacturing apparatus shown in FIGS. 1 to 3, the operation is performed as follows. That is, while rotating the rotating plate 3 in the direction of arrow A with a motor (not shown), the driving roller 13 is driven by the motor 16 to drive the conveyor belt 15, and the non-flexible foamed resin sample 19 on the conveyor belt 15 is moved. Is carried in the direction of arrow B. The sample 19 is securely fixed by the upper holding belt 18, and is conveyed from the input port 17 to the cutter unit 2 until the tip of the sample 19 hits the rotating plate 3. Then, the sample 19 is cut by the knife blade 5 and the slit teeth 6 of the cutter unit 2 into angular chips 20 every time the rotating plate 3 makes a half turn. Here, one knife blade 5 is cut so as to be perpendicular to the transport direction of the sample 19, and the other slit tooth 6 is cut so as to be parallel to the transport direction of the sample 19. When the distance between the rotary plate 3 and the knife blade 5 is L, the distance between the slit teeth 6 is D, and the height of the sample 19 supplied to the cutter unit 2 is H, the distance L, the distance D, and the height By adjusting H arbitrarily, the shape of the angular tip can be changed arbitrarily. The cut chip 20 is discharged from the opening 4 of the rotating plate 3 to the back side of the rotating plate 3, and is taken out from the outlet 1 ′ of the cover 1.
[0022]
As described above, according to the manufacturing method of the above-described embodiment, the non-flexible foamed resin sample 19 conveyed to the cutter unit 2 of the rotating plate 3 is separated from the knife blade 5 and the slit teeth 6 perpendicular to the sample 19. By cutting into a square shape with the cutter unit 2 made of, a chip 20 having a fixed size and a fixed shape can be continuously manufactured without being shattered. Also, the mechanization can significantly reduce the manufacturing time of the chip 20.
[0023]
In the above embodiment, the case where the cutter unit is provided at two places on the rotary plate has been described, but the present invention is not limited to this.
[0024]
Further, in the above-described embodiment, the case where the discharge guide and the spacer are integrated is described. However, the present invention is not limited to this, and the discharge guide and the spacer may be separately attached to the rotating plate or may be integrally cut out. May be used. Although the discharge guide is provided so that the chips fall smoothly from the discharge port, it is not always necessary to provide the discharge guide.
[0025]
Furthermore, in the above-described embodiment, the case where the knife blade and the slit tooth frame are screwed has been described. However, the present invention is not limited to this, and a conventionally known joining means such as welding may be used, or the slit tooth may be joined to the knife blade. You may use what was made.
[0026]
【The invention's effect】
As described above in detail, according to the present invention, a non-flexible foamed resin sample is supplied to the cutter unit by the transport unit, and the supplied sample is cut into fixed-size and fixed-shaped square chips by the cutter unit. By doing so, it is possible to provide a method for manufacturing a non-flexible foamed resin chip capable of easily and in a short time manufacturing a square chip having a certain shape and dimensions and usable for raising seedlings. .
[Brief description of the drawings]
FIG. 1 is an explanatory view of a manufacturing apparatus used for a method of manufacturing a non-flexible foamed resin chip according to the present invention.
FIG. 2 is an explanatory diagram showing an enlarged main part of a cutter unit in the manufacturing apparatus of FIG. 1;
FIG. 3 is an explanatory view of slit teeth of a cutter unit in the manufacturing apparatus of FIG.
[Explanation of symbols]
2 ... cutter part, 3 ... rotating plate, 4 ... opening,
5: knife blade, 5a, 6a: tip, 6: slit tooth,
7, 11 ... screw, 8 ... slit tooth frame, 10 ... discharge guide,
12: rotating shaft, 13: driving roller, 14: driven roller,
15 ... Conveyer belt, 16 ... Motor 17 ... Inlet,
18: Upper holding belt, 19: Non-flexible foam resin sample, 20: Chip.

Claims (4)

A rotary plate having an opening for discharging angular chips and having a cutter portion, and an inlet and a transport for supplying a non-flexible foamed resin sample to at least the cutter portion of the rotary plate Means, and driving means for driving the rotating plate and the transport means, respectively.
The cutter portion of the rotating plate is located between the input port and the rotating plate and is attached to the rotating plate, and the knife blade of the cutter portion is attached to the rotating plate so as to be substantially parallel to the rotating plate. In a method of manufacturing a square chip from a non-flexible foamed resin sample using a cutter device arranged to intersect the knife blade at a right angle at the opening,
The sample is supplied to the cutter unit from the input port by the transfer unit, and the supplied sample is cut into fixed-size and fixed-size square chips by the cutter unit. A method for producing a non-flexible foamed resin chip, comprising: Adjusting the tip size by arbitrarily changing the distance between the rotating plate and the knife blade of the cutter unit, the interval between the slit teeth, and the height of the non-flexible foamed resin sample supplied to the cutter unit. The method for producing a non-flexible foamed resin chip according to claim 1, characterized in that: The non-flexible foamed resin according to claim 1 or 2, wherein at least one of the cutter units is disposed on a line connecting a center of the rotary plate and a point on the circumference with a straight line. Chip manufacturing method. When the distance between the rotary plate and the knife blade of the cutter unit is L and the interval between the slit teeth is D, two or more types of cutter units having different sizes of the distance L and / or the interval D are provided. The method for producing a non-flexible foamed resin chip according to claim 3, characterized in that:

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