JPH10119013A - Method and apparatus for manufacturing bamboo chopstick - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method and apparatus for manufacturing a chopstick with high accuracy at high speed. SOLUTION: A long cylindrical bamboo is cut in the longitudinal direction, and bamboo base plates 1 are formed by cutting these cut bamboo materials in the circumferential direction, then a plurality of notches 2 with a cut surface of a predetermined cutting angle in the longitudinal direction of each bamboo base plate 1 are made at distances of chopsticks in the width direction being the aforementioned circumferential direction and, subsequently, the end of the bamboo base plates 1 in the longitudinal direction are cut in the width direction and the end in the longitudinal direction between the notches 2 is cut, and each bamboo base plates 1 or chopsticks-like bamboo 13 cut out by two- directional cutting operation is cut in a predetermined thickness.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for manufacturing bamboo chopsticks and an apparatus for manufacturing bamboo chopsticks.

[0002]

2. Description of the Related Art In a conventional method for manufacturing bamboo chopsticks, bamboo chopsticks are cut into a predetermined length, the bamboo is appropriately divided in a circumferential direction, and then the bamboo chopsticks are cut from the divided material. It is cut and processed one by one.

In the conventional processing method as described above, the processing time is very long and the processing accuracy is not good, so that it is difficult to produce high quality bamboo chopsticks at low cost in large quantities. The present invention has been made in order to solve the above-mentioned conventional problems, and provides a method and an apparatus for manufacturing bamboo chopsticks, which can process bamboo chopsticks with high accuracy and high speed. The purpose is.

[0004]

The gist of the present invention will be described with reference to the accompanying drawings.

[0005] A long cylindrical bamboo is cut in the length direction, and the cut bamboo is cut in the circumferential direction to form a bamboo substrate 1, and a predetermined cutting angle is cut in the length direction of the bamboo substrate 1. A plurality of grooves 2 each having a surface are provided at intervals in the width direction, which is the circumferential direction, at chopstick width intervals, and then, the ends of the bamboo substrate 1 in the length direction are cut in the width direction to form gaps between the grooves 2. The present invention relates to a method for manufacturing bamboo chopsticks, which comprises cutting the bamboo substrate 1 or the chopstick-shaped bamboo 13 cut out by cutting in two directions to a predetermined thickness while cutting the end in the length direction.

A groove processing device 3 for providing a plurality of grooves 2 having a cut surface at a predetermined cutting angle in the length direction of the bamboo substrate 1 at chopstick width intervals in the width direction which is the circumferential direction; A cutting device 4 for cutting the longitudinal end of the bamboo substrate 1 at the longitudinal end of the groove 2, and a chopstick-shaped bamboo 13 cut out by cutting the bamboo substrate 1 or the bidirectional cut into a predetermined thickness. The method according to claim 1, wherein the chopsticks (6) are processed using the cutting device (5) for cutting.

[0007] Further, a fixing portion 7 for fixing the bamboo substrate 1 formed by cutting the long cylindrical bamboo in the length direction and cutting the cut bamboo in the circumferential direction is provided. A cutting machine 8 is provided for forming a plurality of grooves 2 having a cut surface having a predetermined cutting angle in the direction at a chopstick width interval in the width direction which is the circumferential direction. The present invention relates to an apparatus for manufacturing bamboo chopsticks, comprising a positioning mechanism 9 for setting a position and an angle setting mechanism 10 for setting a cutting angle of the groove 2.

The positioning mechanism 9 includes a first adjusting mechanism 11 for adjusting the widthwise position of one end of the bamboo substrate 1 and a second adjusting mechanism for adjusting the widthwise position of the other end of the bamboo substrate 1. 12. The bamboo chopstick manufacturing apparatus according to claim 2, wherein the bamboo chopsticks are provided.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION A preferred embodiment of the present invention (how to implement the invention), which is considered to be the best, will be briefly described with reference to the drawings, showing its operational effects.

When a plurality of grooves 2 having a predetermined cut surface in the length direction of the bamboo substrate 1 are provided in the width direction, bamboo chopsticks 6 having a predetermined width dimension can be accurately formed between the grooves 2. By removing unnecessary portions at the ends of the bamboo substrate 1 in the length direction, bamboo chopsticks 6 having a predetermined length can be formed with high accuracy.
Alternatively, if the chopstick-shaped bamboo 13 cut out by bidirectional cutting is cut to a predetermined thickness, the bamboo chopsticks 6 having a predetermined thickness can be formed with high precision, and the bamboo chopsticks 6 can be manufactured in large quantities with high precision and high speed. be able to.

Further, a groove processing device 3 for providing a plurality of grooves 2 at a chopstick width interval on a bamboo substrate 1 and cutting the longitudinal end of the bamboo substrate 1 at the longitudinal end of the groove 2. Since the bamboo chopsticks 6 are processed by using three devices, ie, the cutting device 4 and the cutting device 5 for cutting the bamboo substrate 1 to a predetermined thickness, each device can be manufactured very easily and cheaply, and the bamboo chopsticks 6 can be made high. It can be manufactured with high precision.

Further, since the positioning mechanism 9 for setting the position of the groove 2 is provided, a plurality of grooves 2 having a predetermined cut surface in the length direction of the bamboo substrate 1 can be provided in the width direction with high precision. Angle setting mechanism 10 for setting the cutting angle of 2
Is provided, the cutting angle of the cut surface can be accurately formed to a desired angle.

The positioning mechanism 9 includes a first adjusting mechanism 11 for adjusting the widthwise position of one end of the bamboo substrate 1 and a second adjusting mechanism 12 for adjusting the widthwise position of the other end of the bamboo substrate 1.
Thus, the groove 2 of the bamboo substrate 1 can be formed with high accuracy by a simple adjusting mechanism, and the width of the bamboo chopsticks 6 can be formed to a desired size with high accuracy.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method for manufacturing bamboo chopsticks and an apparatus for manufacturing bamboo chopsticks according to one embodiment of the present invention will be described below with reference to the drawings.

In the method for manufacturing bamboo chopsticks of this embodiment, bamboo is cut, and the cut long cylindrical bamboo is cut into a predetermined length as shown in FIG. The bamboo substrate 1 is appropriately divided (for example, divided into four as shown in FIG. 7).

In the state of the bamboo substrate 1, a liquid obtained by adding an appropriate amount of copper acetate and sodium acetate to water is put into a kettle so that the manufactured bamboo chopsticks 6 maintain the original blue color of the bamboo for a long time, and the liquid is boiled. In this state, the bamboo substrate 1 is put in the liquid and boiled for about 15 minutes.

The timing of the treatment with the liquid is preferably as early as possible after cutting the bamboo. The bamboo may not be in the bamboo substrate 1 state but may be cut into a predetermined length or may be in any state.

Next, the bamboo substrate 1 is processed by using a bamboo chopstick 6 manufacturing apparatus as shown in FIGS.

The apparatus for manufacturing bamboo chopsticks 6 is a groove processing apparatus for providing a plurality of grooves 2 having a cut surface at a predetermined cut angle in the length direction of the bamboo substrate 1 at a chopstick width interval in the width direction which is the circumferential direction. 3
A cutting device 4 for cutting the longitudinal end of the bamboo substrate 1 at the longitudinal end of the groove 2, and a cutting device 5 for cutting the bamboo substrate 1 to a predetermined thickness. ing.

First, the grooving device 3 will be described with reference to FIGS.

FIG. 1 shows the entire structure of the groove processing device 3, in which a fixing portion 7 for fixing the bamboo substrate 1 is provided on a base 14, and a predetermined cut angle is set in the length direction of the bamboo substrate 1. A cutting machine 8 is provided for forming a plurality of grooves 2 having a cut surface at a chopstick width in the width direction, which is the circumferential direction of the bamboo, for setting the position of the grooves 2 of the bamboo substrate 1 with respect to the cutting machine 8. Positioning mechanism 9 and angle setting mechanism 10 for setting the cutting angle of groove 2
Is provided.

The positioning mechanism 9 comprises a first adjusting mechanism 11 for adjusting the widthwise position of one end of the bamboo substrate 1 and a second adjusting mechanism 12 for adjusting the widthwise position of the other end of the bamboo substrate 1. Provided.

The cutting machine 8 uses cutting teeth made of tungalloy material used for metal cutting and the like, and is provided with an electric motor 17 provided for rotating the disc-shaped cutting teeth.
This cutting machine 8 is installed on an appropriate portion of the base 14.

The cutting machine 8 is provided with a gripper 18 for moving the cutting teeth up and down.

The fixing portion 7 for fixing the bamboo substrate 1 includes a fixing portion 7
The bamboo substrate 1 is mounted thereon, and a fixing member 16 having a structure that can be fastened and fixed by screws or the like is provided in order to fix both ends in the length direction of the bamboo substrate 1 to the fixing portion 7.

Rotation shafts 38 are provided at both ends of the fixed portion 7, and one of the rotation shafts 38 is attached to a wall portion 39 appropriately provided on the movable table 15 provided on one side of the fixed portion 7. An appropriate hole that can be inserted to rotate the fixing portion 7 is provided, and the rotating shaft 38 is inserted into this hole.

The other rotating shaft 38 has an appropriate hole through which the rotating shaft 38 can be inserted into a wall portion 39 appropriately provided on the movable base 15 provided on the other side of the fixed portion 7 to rotate the fixed portion 7. Provided in this hole,
And a rotating shaft 38 is projected from the wall portion 39, and a shaft 41 provided with a grip portion 40 for rotating the fixing portion 7 on the projected rotating shaft 38 is appropriately provided on the rotating shaft 38. Insert through the hole.

The shaft 41 provided with the grip portion 40 is projected from the rotation shaft 38, and the projected shaft 41 is fixed at a predetermined position, and is fixed in a predetermined direction in the length direction of the bamboo substrate 1 installed on the fixing portion 7. In order to form a groove 2 having a cut surface of a cut angle, a protruding shaft 41 is formed.
The moving table 15 is provided with a plurality of holes 42 for fixing the holes.

The moving table 15 provided with the fixed portion 7 is mounted on the base 14 and moves the moving table 15 right and left by a predetermined amount, as shown in FIGS. Arm rod provided at one end of 15
26 is connected to a support shaft 23 rotatably provided at an end of the arm rod 26.

At the other end of the moving table 15, in order to fix the moving table 15 in a predetermined position, a hole provided in an arm portion of the moving table 15 is provided.
Insert the shaft 22 provided with the gripper 20 for moving the 15,
The shaft 22 is protruded from the arm of the moving table 15, and the shaft 22 is
The movable table 15 is set at a predetermined position by inserting the movable table 15 into a plurality of holes 21 provided as appropriate.

The support shaft 23 to which the arm rod 26 is connected is provided with an arm rod 25 which rotates about the support shaft 23, and the other end of the arm rod 25 is provided with a fixed shaft 24 which can rotate the arm rod 25. The fixed shaft 24 is fixedly installed on the base 14 as appropriate.

The base 14 is provided with an arm 25 in order to make the amount of movement of the arm 25 rotating left and right about the fixed shaft 24 a desired amount of movement.
Two columns 27 are provided on the left and right to prevent the movement of the rod.

As shown in FIG. 3, the support shaft 23 has arm rods 25,
The connecting rod 28 is rotatably connected together with the arm rod 26 so that the support shaft 23 can move left and right on the base 14.

The other end of the connecting rod 28 is connected to a support shaft 29,
Is connected to the connecting rod 30, and the other end of the connecting rod 30 is provided with a gripper 35.
A plurality of holes 37 for fixing the tip of the shaft 36 are appropriately provided on the back surface of the base 14 by inserting the shaft 36 provided with the shaft 36 into the hole provided in the connecting rod 30.

As shown in FIG. 1, the connecting rod 30 can be moved left and right by a predetermined amount together with the support shafts 29 and 36 provided at both ends of the connecting rod 30 so that the connecting rod 30 can move in parallel to the left and right. The base 3 has a hole 3 in which the support shaft 29 and the shaft 36 can move left and right.
1, a hole 32 is provided, and the connecting rod 30 is disposed on the back surface of the base 14.

As shown in FIGS. 2 and 3, holes for penetrating the connecting rod 30 are provided at both ends of the connecting rod 30, and the shafts 33 and 34, the connecting rod 30 can be moved in parallel to the left and right by a predetermined amount.

A power switch 19 for rotating the electric motor 17 is provided on a side surface of the base 14.

Next, the bamboo substrate 1 as shown in FIG. 6 is cut into a predetermined cut angle (as shown in FIG.
Is set so that the inside of the bamboo is slightly wider than the center line of the bamboo. The method of forming the grooves 2 on the bamboo substrate 1 by the groove processing device 3 for providing a plurality of grooves 2 having a cut surface at a chopstick width interval in the width direction which is the circumferential direction of the bamboo will be described below.

The bamboo substrate 1 is set on the fixing portion 7 with the outer peripheral surface of the bamboo substrate 1 facing upward, and the bamboo substrate 1 is attached and fixed to the fixing portion 7 by the fixing member 16.

Next, as shown in FIG. 2, the gripper 20 provided at one end of the moving table 15 is pulled up, and the shaft 22 is inserted into the hole 21 to form the groove 2 at the position a of the bamboo substrate 1. The movable table 15 is fixed by inserting the movable table 15 at the position a.

Subsequently, as shown in FIG. 3, the grip 35 provided at one end of the connecting rod 30 is pulled up, and
In order to provide the groove 2 at the position, the shaft 36 is inserted into the position a of the hole 37, and the movable table 15 is fixed.

Next, as shown in FIG. 3, in order to form a groove 2 having a cut surface with a predetermined cutting angle at the position a of the bamboo substrate 1, the shaft 41 inserted through the rotating shaft 38 is pulled upward. Then, the shaft 41 is inserted into the position a of the hole 42, and conditions for setting the predetermined groove 2 at the position a of the bamboo substrate 1 are set.

Subsequently, the power switch 19 of the electric motor 17 is turned on.
In this state, the cutting teeth on the cutting surface 8 are moved downward to provide the groove 2 at the position a of the bamboo substrate 1. After the processing of the groove 2, the cutting teeth are moved upward.

Next, in order to provide the groove 2 at the position b of the bamboo substrate 1, as shown in FIG. 2, the grip 20 provided at one end of the moving table 15 is pulled up, and the shaft 22 is inserted into the hole 21. In order to insert at the position b, the gripper 20 is moved to the left, the movable table 15 is moved to the left with the support shaft 23 as the rotation axis, and the shaft 22 is inserted at the position b of the hole 21. The moving table 15 is fixed.

Subsequently, in order to form the groove 2 at the position b of the bamboo substrate 1, as shown in FIG. 3, the grip 35 provided at one end of the connecting rod 30 is pulled up, and the shaft 36 is inserted into the hole 37. The grip 35 is moved to the left in order to insert it at the position b.
To the left, and at the same time, the support shaft 23 moves to the left, and the moving table 15 moves to the left with the shaft 22 fixed by the hole 21 as a fulcrum. Into the connecting rod 30
And the moving table 15 is fixed.

In this embodiment, when the grooves 2 are provided at the positions a and b of the bamboo substrate 1, the position of the hole 37 for fixing the shaft 36 provided at one end of the connecting rod 30 is the same. After setting the groove 2 at the position a of the bamboo substrate 1, the b
When the groove 2 is provided at the position (2), it is not necessary to move the shaft 36 provided at one end of the connecting rod 30.

Next, as shown in FIG. 3, the shaft 41 inserted through the rotating shaft 38 is pulled upward to provide the groove 2 having a cut surface with a predetermined cut angle at the position b of the bamboo substrate 1. ,axis
Rotate the tip of the shaft 41 to the left so that the tip of 41 can be inserted into the position b of the hole 42, insert the shaft 41 into the position b of the hole 42, and place it at the position b of the bamboo substrate 1. The conditions for providing the groove 2 are set.

Subsequently, the cutting teeth of the cutting machine 8 are moved downward, and the groove 2 is provided at the position b of the bamboo substrate 1. After the processing of the groove 2, the cutting teeth are moved upward.

In the same manner as described above, c and d of the bamboo substrate 1
The grooves 2 are sequentially provided at the positions a, b, c and d of the bamboo substrate 1 as shown in FIG.

The cutting device 4 for cutting the lengthwise end of the bamboo substrate 1 provided with the four grooves 2 in the width direction as described above and cutting the lengthwise end between the grooves 2 is used. A description will be given based on FIG. The cutting device 4 is provided with a movable base 44 for arbitrarily setting the bamboo substrate 1 provided with four grooves 2 on a base 43 so as to be slidable,
The moving platform 44 is moved to a predetermined position.
Base is a reference plate 45 with a surface on which one side of 44 can slide.
An appropriate cutting machine 46 is provided on the base 43 so that the bamboo substrate 1 installed on the movable base 44 can be cut at a predetermined portion.

Next, the bamboo substrate 1 is
An operation method for cutting off is described.

The bamboo substrate 1 provided with the four grooves 2 is set at a predetermined position of the moving base 44, the power switch of the cutting machine 46 is turned on, and the cutting teeth of the cutting machine 46 are rotated. , Mobile platform 44
Is rotated along the reference plate 45, and then the moving table 44 is moved along the reference plate 45 toward the cutting machine 46 so that one end of the bamboo substrate 1 is at a predetermined position. Disconnect. When the cutting is completed, the movable base 44 is returned to the original position, and the bamboo substrate 1 is removed.

Subsequently, in order to cut the other end of the bamboo substrate 1 at a predetermined position, the bamboo substrate 1 is set at a predetermined position on the moving base 44, and then the moving base 44 is moved along the reference plate 45. The bamboo substrate 1 is moved in the direction of the cutting machine 46 to cut the other end of the bamboo substrate 1 at a predetermined position.
The chopstick-shaped bamboo 13 is manufactured.

Next, the chopstick-shaped bamboo 13 processed as described above is used.
Is processed into chopsticks 6 as shown in FIG.
A cutting device 5 for cutting a sheet to a predetermined thickness will be described with reference to FIG.

The cutting device 5 is provided with a movable base 48 for arranging the chopstick-shaped bamboo 13 as appropriate on a base 47 slidably.
A reference plate 49 having a surface on which one side surface of the moving table 48 can slide is provided on the base 47 as appropriate so that the 48 can be moved to a predetermined position, and the chopstick-shaped bamboo 13 installed on the moving table 48 is A cutting machine 50 is appropriately provided on the base 47 so as to be able to cut thick.

Next, the chopstick-shaped bamboo 13 is
An operation method for cutting off is described.

The chopstick-shaped bamboo 13 is set at a predetermined position on the moving table 48 with the outer peripheral surface of the bamboo facing the moving table 48, and the power switch of the cutting machine 50 is turned on.
19 is turned on to rotate the cutting teeth of the cutting machine 50, and then the moving table 48 is moved along the reference plate 49 in the direction of the cutting machine 50 to cut the chopstick-shaped bamboo 13 to a predetermined thickness. The bamboo chopsticks 6 as shown in FIG.

As described above, in this embodiment, an example in which two bamboo chopsticks 6 (one set) are manufactured from one bamboo substrate 1 has been described. How many bamboo chopsticks 6 are processed may be appropriately set.

[0059]

As described above, according to the present invention, when a plurality of grooves having a predetermined cut surface are provided in the width direction in the length direction of the bamboo substrate, the bamboo chopsticks having a predetermined width dimension can be precisely formed between the grooves. The bamboo chopsticks of a predetermined length can be accurately formed by removing unnecessary portions at the ends in the length direction of the bamboo substrate, and the chopsticks cut out of the bamboo substrate or cut in two directions. When the bamboo bamboo is cut to a predetermined thickness, bamboo chopsticks having a predetermined thickness can be formed with high precision, and bamboo chopsticks can be manufactured in large quantities with high precision and at high speed.

Further, a groove processing device for providing a plurality of grooves at a chopstick width interval on a bamboo substrate, a cutting device for cutting the longitudinal end of the bamboo substrate at the longitudinal end of the groove, Since bamboo chopsticks are processed using three devices, namely, a cutting device for cutting a substrate to a predetermined thickness, each device can be manufactured very easily and cheaply, and bamboo chopsticks can be manufactured with high precision.

Further, since the positioning mechanism for setting the position of the groove is provided, a plurality of grooves having a predetermined cut surface in the length direction of the bamboo substrate can be provided in the width direction with high precision, and the cutting angle of the groove can be reduced. Since the angle setting mechanism for setting is provided, the cutting angle of the cut surface can be accurately formed to a desired angle.

Further, as the positioning mechanism, a first adjusting mechanism for adjusting the widthwise position of one end of the bamboo substrate and a second adjusting mechanism for adjusting the widthwise position of the other end of the bamboo substrate are provided. The groove of the bamboo substrate can be formed with high accuracy by a simple adjusting mechanism, and the width of the bamboo chopsticks can be formed to a desired size with high accuracy.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an apparatus for manufacturing bamboo chopsticks according to one embodiment of the present invention.

FIG. 2 is an explanatory diagram illustrating the operation of the bamboo chopstick manufacturing apparatus according to one embodiment of the present invention.

FIG. 3 is an explanatory diagram illustrating the operation of the bamboo chopstick manufacturing apparatus according to one embodiment of the present invention.

FIG. 4 is a front view showing an apparatus for manufacturing bamboo chopsticks according to one embodiment of the present invention.

FIG. 5 is a front view showing an apparatus for manufacturing bamboo chopsticks according to one embodiment of the present invention.

FIG. 6 is a perspective view showing a bamboo substrate according to one embodiment of the present invention.

FIG. 7 is an explanatory view illustrating a method for manufacturing bamboo chopsticks according to one embodiment of the present invention.

FIG. 8 is a perspective view showing a bamboo chopstick according to one embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bamboo substrate 2 Groove 3 Groove processing device 4 Cutting device 5 Cutting device 6 Bamboo chopsticks 7 Fixed part 8 Cutting machine 9 Positioning mechanism 10 Angle setting mechanism 11 First adjusting mechanism 12 Second adjusting mechanism 13 Chopstick-shaped bamboo

Claims (4)

[Claims] 1. A bamboo substrate is formed by cutting a long cylindrical bamboo in a length direction, cutting the cut bamboo in a circumferential direction, and cutting a predetermined cut angle in the length direction of the bamboo substrate. A plurality of grooves having a surface are provided at chopstick width intervals in the width direction, which is the circumferential direction, and then the end of the bamboo substrate in the length direction is cut in the width direction, and the length direction between the grooves is reduced. Cut off the end of
A method for manufacturing bamboo chopsticks, comprising cutting a bamboo chopstick or a chopstick-shaped bamboo cut out by cutting in two directions to a predetermined thickness. 2. A groove processing device for providing a plurality of grooves having a cut surface with a predetermined cut angle in the length direction of the bamboo substrate at a chopstick width interval in the width direction which is the circumferential direction; Using a cutting device that cuts the lengthwise end of the bamboo substrate at the end in the vertical direction, and a cutting device that cuts the chopstick-shaped bamboo cut out by cutting the bamboo substrate or the bidirectional cut into a predetermined thickness. The method for producing bamboo chopsticks according to claim 1, wherein bamboo chopsticks are processed. 3. A fixing section for fixing a bamboo substrate formed by cutting a long cylindrical bamboo in a length direction, cutting the cut bamboo in a circumferential direction, and providing a predetermined portion in a length direction of the bamboo substrate. A cutting machine for forming a plurality of grooves having a cut surface having a cutting angle of at a chopstick width in the width direction which is the circumferential direction, and a positioning mechanism for setting the position of the groove of the bamboo substrate with respect to the cutting machine. And an angle setting mechanism for setting a cutting angle of the groove. 4. A positioning mechanism comprising: a first adjusting mechanism for adjusting a widthwise position of one end of the bamboo substrate; and a second adjusting mechanism for adjusting a widthwise position of the other end of the bamboo substrate. 3. The apparatus according to claim 2, wherein the bamboo chopsticks are manufactured.