JPH01314105A - Manufacturing device of flat wood piece such as material of chopstick for cake - Google Patents

Abstract

PURPOSE:To automate cutting work where slivers of a tree with bark and made into flat wood pieces, by a method wherein the surface of the slivers with the bark and split surfaces of the slivers are conveyed by being supported respectively by a U-shaped groove and V-shaped groove of a conveyor roll and both side fringes and the split surfaces of the slivers are cut respectively by both fringe blades and intermediate blade of a roll cutter. CONSTITUTION:Slivers 3 are guided to a guide groove 7 of a conveyor guide rest 6 so that the surfaces of them with bark and positioned at the bottom of the groove and ejected through the guide groove 7. With this construction, since the surfaces of the slivers 3 with the bark and crestlike split surfaces 3b of the slivers 3 are supported suitably respectively by a U-shaped groove 10a of a conveying roll 10 and a V-shaped groove 9a of a conveying roll 9, the slivers 3 are conveyed favorably without changing the positions. When the slivers 3 arrive at a roll cutter 13, since the roll cutter 13 is provided with both fringe blades 33 for cutting both side fringe parts 3a of the sliners 3 and an intermediate blade 34 cutting the crestlike split surface 3b of the slivers 3 into a flat surface, both the side fringe parts 3a and split surfaces 3b of the slivers 3 are cut. Therefore, work where the slivers 3 which are being conveyed are cut and processed into flat wood pieces such as a material of chapstick for a cake can be automated.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an apparatus for manufacturing flat wood pieces such as candy bar materials.

[Conventional technology]

Conventional 1 For example, the material for confectionery sticks is vertically split black-barked trees called Kuromonji or Kurobunju.

A piece obtained by cutting the vertically split piece into a flat piece of wood is used.

That is, as shown in FIG.
If the diameter of As shown in the figure, when the diameter of the tree 2 is relatively small, it is bisected from the center of the cross section to obtain three vertically divided pieces 3, and then the vertically divided pieces 3 are cut.

When applying cutting force u, as shown in Fig. 1θ.

Both side edges 3a, 3a of the longitudinally split piece 3 are cut, and the mountain-shaped split surface 3b is cut to become flat, thereby obtaining a wood piece 4. Furthermore, as shown in FIG. 11, both side edges 4a, 4a of the skin l of the piece of wood 4 are preferably cut.

As shown in FIG. 12, one end of the wood piece 4 obtained above is cut in a direction that reduces the thickness of the wood from the skin l using a small force to form an inclined thin wall part 5a. At the same time, both side edges of the thin part 5a are cut so that the tips thereof become sharp to form tapered parts 5b, and the other end part is cut with a steep slope in the direction of thinning the plate thickness from the skin part l. A tail sloping portion 5C is formed, thereby forming a 1N candy bar 5.

[Problem to be solved by the invention]

Conventionally, the cutting work shown in Fig. 1θ and Fig. 11 above was performed by
It was done by hand by skilled craftsmen. For this reason,
There is a problem in that production efficiency cannot be improved and costs cannot be reduced due to labor costs and other factors.

[Means to solve the problem]

The present invention solves the above-mentioned problems and automates the cutting work for turning vertical pieces of bark-covered trees into flat wood pieces.
The first means includes a pair of transport rolls that sandwich and transport the vertical pieces of a tree with bark, and a support stand and a roll cutter that are arranged to sandwich the vertical pieces being transported: Among the conveyance rolls, one roll has a U-shaped groove that supports the skinned surface of the vertically divided piece, and the other roll has a V-shaped groove that supports the splitting surface of the vertically divided piece; the support base The roll cutter has a U-shaped groove that supports the skinned surface of the vertically divided piece and extends in the conveying direction; and an intermediate blade for cutting the split surface of the piece into a flat surface.

Also, what was configured as a second means?

A pair of transport rolls that sandwich and transport a vertical split piece of a tree with bark; a support stand and a roll cutter arranged to sandwich the vertical split piece being transported; and a single bevel roll; , one roll has a U-shaped groove that supports the skinned surface of the vertically split piece, and the other roll has a V-shaped groove that supports the split surface of the vertically split piece; U that supports the skinned surface of the split piece
The roll cutter has a shape groove extending in the conveying direction; the roll cutter has a double-edged blade that cuts both edges of the vertically divided piece, and an intermediate blade that cuts the split surface of the vertically divided piece into a flat surface between the two double-edged blades. The chamfering roll is provided with a tapered blade for chamfering both side edges of the skin of the piece of wood that has been cut into a flat shape by the roll cutter.

〔Example〕

An embodiment of the present invention will be described in detail below based on the drawings.

(Overall configuration) In Fig. 1, the explanation will be given in order in the conveying direction of the 'f11 split piece. In the illustrated example, three stripes are formed.

A set of transport roll means 8 includes a pair of upper and lower transport rolls 9 that sandwich and transport the vertically divided pieces 3. 10, and each roll is driven and rotated in synchronization in the direction of the arrow shown in the figure by a support shaft 11, 12, respectively.

The lower conveyance roll 10 is formed with a plurality of U-shaped grooves 10a that support the skinned surface of the vertically divided pieces 3, corresponding to the guide grooves 7,
In the example shown in FIG. 0, in which a plurality of V-shaped grooves 9a supporting the chevron-shaped divided surfaces 3b of the vertically divided pieces 3 are formed in correspondence with the U-shaped grooves 10a, the upper conveying roll 10 is configured to convey this set. Two sets of roll means 8 are provided in series in the conveyance direction.

Subsequently, a roll cutter 13 and a support stand 14 are placed above and below the vertically divided piece 3 being transported.

The support stand 14 is supported by an adjustment pole 15 on a base 16 so that its vertical position can be freely adjusted, and has a plurality of U-shaped grooves 17 on the upper surface facing the conveyance direction for supporting the skinned surface of the vertically divided pieces 3 being conveyed. In the example shown in FIG. 1, three stripes are formed, and a recess 18 is formed in the middle of the U-shaped groove 17 to be separated from the skinned surface of the vertically divided piece 3 with a gap.

Above the support base 14, in advance of the roll cutter 13, a guide means 19 is arranged, and the guide means 19 has a guide member 20 located in a direction transverse to the three U-shaped grooves 17.

The roll cutter 13 is disposed facing the recess 18 and is driven and rotated by a support shaft 21 in the direction of the arrow shown in the figure. still,
Details of the blade of the roll cutter 13 will be described later.

Following the roll cutter 13 above the support stand 14,
A deterrent means 22 is arranged. This restraining means includes a sliding piece 23 positioned in a direction crossing the three U-shaped grooves 17.

A spring 25 provided in the rond part 24 of the restraining means 22
This urges the sliding piece 23 in the direction of the U-shaped groove 17.

After cutting the longitudinally split piece 3 into a flat piece of wood 4 using a roll cutter 13, a chamfering roll 26 cuts both side edges 4a of the skin part of the piece of wood 4 into a chamfer shape while the flat piece of wood 4 is being conveyed. It is located. This chamfering roll 26 is driven and rotated by a support shaft 27 in the direction of the arrow shown in the figure. The details of the blade of the two-chamfered roll 26 will be described later.

Finally, a set of delivery means 30 consisting of a pair of upper and lower delivery rolls 28, 29 is arranged, and the upper and lower delivery rolls 2B, 2
Reference numeral 9 denotes one pair of delivery rolls driven and rotated synchronously in the direction of the arrows shown in the figure by support shafts 31 and 32, respectively.The delivery rolls have flexible bodies 28a and 29 made of elastic synthetic resin, rubber, or the like, respectively.
a, which elastically clamps and delivers the cut piece of wood 4. In the example shown in FIG. 9, this − group sending means 301J<
Two sets are provided in series in the conveyance direction.

(Specific structure and operation) When the vertically divided piece 3 is guided to the guide groove 7 of the conveyance guide table 6 so that the skinned surface is located at the bottom of the groove (Fig. 2), and it is projected from the guide groove 7, The protruding end of the vertically divided piece 3 is conveyed while being held between the upper and lower conveying rolls 9.about.10 of the conveying roll means 8. At this time, the U-shaped groove 10a of the conveying roll 10 suitably supports the skinned surface of the vertically divided piece 3, and the ■-shaped groove 9a of the conveying roll 9 supports the vertically divided piece 3.
This is because the chevron-shaped split surface 3b is suitably supported.

The vertically divided piece 3 is smoothly conveyed in a specific position without changing its position by dancing or the like (FIG. 3).

The conveyed vertically divided pieces 3 are guided by the guide member 2 of the guide means 19.
Support stand 1 is restrained from jumping up by 0.
4 into the U-shaped groove 17, and the skinned surface of the vertically divided piece 3 is slid along the U-shaped groove 417 (FIG. 4).

When reaching the roll cutter 13, the longitudinally split piece 3 is cut at both side edges 3a and the split surface 3b shown in FIG. 1O. For this reason, the roll cutter 13.

A horizontal-letter-shaped intermediate blade that cuts the chevron-shaped split surface 3b of the vertical split piece 3 into a flat surface between a double edge blade 33 for cutting both side edges 3a of the vertical split piece 3 and a double edge blade 33. 34 (Figures 5 and 6).

In turning, two cutter means 35 consisting of the double edge blades 33 and the intermediate blade 34 are provided corresponding to two lines of the U-shaped groove 17 of the support base 14, and two cutter means 35 are provided corresponding to one line of the remaining U-shaped groove 17. In addition, another cutter means 36, which will be described later, is provided.

The vertically divided piece 3 cut by the roll cutter 13 is made into a flat piece of wood 4 and the U-shaped piece 2 of the support stand 14 is formed. When being sent out from i17, it passes through the rubbing piece 23 of the restraining means 22, and the thorns and fibers that are connected in a row on the wood piece 4 are removed (FIG. 1).

Next, the wood piece 4 is cut by a two-sided chamfer roll 26.

Both side edges 4a of the skin portion shown in FIG. 11 are cut into a chamfered shape. For this reason, the one-sided chamfer roll 26.

In the example shown in FIG. 0, which is provided with a tapered blade 37 for cutting the both side edges 4a (FIG. 7), the tapered blade 37 has two grooves corresponding to two grooves of the U-shaped groove 17 of the support base 14. Another tapered blade 38, which will be described later, is provided corresponding to one strip of the remaining U-shaped groove 17.

The cut piece of wood 4 is then elastically held between the upper and lower delivery rolls 28, 29 of the delivery means 30 and sent out (FIG. 1).

The delivered wood chips 4 are sent to the next process separate from the 5-piece device,
After being cut into a predetermined length, it is processed into a candy bar 5 as shown in FIG.

(Additional Embodiment) Another cutter means 36 of the roll cutter 13 and another tapered blade 38 of the chamfering roll 26 described above.

It is not the material of the candy bar 5 as in the present invention.

It is used to cut a material for a black character toothpick 39 as shown in FIG.

For this reason, the further cutter means 36 of the roll cutter 13 is
a double-edged blade 40 for cutting both side edges 3a of the vertically divided piece 3;
An intermediate blade 41 that cuts the chevron-shaped split surface 3b of the vertical split piece 3 into a flat surface between the double edge blades 40, and a cutting that cuts the vertical split piece 3 into two in the width direction between the intermediate blades 41. A blade 42 is provided. Therefore, as shown in FIG. 13, when cutting the vertically split piece 3 to form the flat piece of wood 4, the central portion 4b is cut at the same time, and a pair of thin wood pieces 41 for toothpicks are obtained.

Therefore, even in the nine-chamfer roll 26, another tapered blade 38
constitute tapered narrow grooves 38a and 38b which cut both side edges of each skin part of the bisected wooden strip 41 into a chamfered shape.

In the present invention, the roll cutter 13 and the chamfering roll 26 can be configured to cut all of the vertically divided pieces 3 conveyed in plurality into the flat wooden pieces 4, but as in this additional embodiment, At least one of the longitudinally split pieces 3 is cut into a flat piece of wood 4, and at the same time, the other longitudinally split piece 3 is cut into pieces of wood for other purposes, such as a wooden strip 41 for toothpicks. It may be configured.

〔Effect of the invention〕

As a result of the present invention configured as described above, the vertically divided pieces 3 are preferably conveyed while being positioned at predetermined positions during conveyance, and the vertically divided pieces 3 being conveyed are cut into flat pieces of wood 4 such as the material for candy bars. Since the processing work can be automated, productivity can be improved and processing costs can be reduced.

[Brief explanation of the drawing]

FIG. 1 is a front view schematically illustrating the entirety of an embodiment of the present invention, FIG. 2 is a longitudinal sectional side view of a conveyance guide table, and FIG. 3 is a longitudinal sectional side view of a conveyance roll means. Fig. 4 is a longitudinal sectional side view of the support stand and guide means, Fig. 5 is a longitudinal sectional front view of the support stand, roll cutter, and chamfering roll, Fig. 6 is a longitudinal sectional side view of the support stand and roll cutter, and Fig. 7 is a longitudinal sectional side view of the support stand and the roll cutter. FIG. 3 is a vertical side view of the chamfering cutter. Figures 8 and 9 are explanatory diagrams showing how to vertically divide a tree;
Fig. 10 is an explanatory diagram showing the cutting parts of the vertically split piece, Fig. 11 is an explanatory diagram showing the chamfering part of the flat piece of wood, Fig. 12 is a perspective view of a candy cane, and Fig. 13 is a wooden toothpick. FIG. 14 is an explanatory diagram showing a method of cutting thin pieces, and FIG. 14 is a perspective view of a toothpick.
... Bark, 2... Tree, 3... Vertical split piece, 3a... Both side edges, 3b... Split surface, 4... Flat wood piece, 4a...
...Both sides edges, 5... Sweets holder, 6... Conveyance guide stand, 9゜10... Conveyance roll, 9a... ■ Shape groove, 1
0a... U-shaped groove, 13... Roll cutter, 14...
・Support stand, 17...U-shaped groove, 18...recess, 20.
...Guide member. 23... Sliding piece, 26... Chamfering roll, 28.29
...Delivery roll, 33...Double edge blade, 34...Intermediate blade. 35... Cutter means, 36... Another cutter means, 3
7... Tapered blade, 38... Another tapered blade. Figure 7 Figure 2

Claims (1)

[Scope of Claims] 1. A pair of transport rolls that sandwich and transport a vertical split piece of a tree with bark, and a support stand and a roll cutter that are arranged to sandwich the vertical split piece being transported: Among the rolls, one roll has a U-shaped groove that supports the skinned surface of the vertically split piece, and the other roll has a V-shaped groove that supports the split surface of the vertically split piece; A U-shaped groove that supports the skinned surface of the vertically divided piece is provided extending in the conveying direction; An apparatus for manufacturing a flat piece of wood, such as a candy bar material, comprising: an intermediate blade for cutting a split surface into a flat surface; 2. A pair of transport rolls that sandwich and transport the vertical split pieces of a tree with bark, a support stand and a roll cutter arranged to sandwich the vertical split pieces being transported, and a chamfering roll; the transport rolls One of the rolls has a U-shaped groove that supports the skinned surface of the vertically split piece, and the other roll has a V-shaped groove that supports the split surface of the vertically split piece; U that supports the skinned surface of the split piece
The roll cutter has double-edged blades that cut both side edges of the vertically divided piece, and an intermediate blade that cuts the split surface of the vertically divided piece into a flat surface between the both edged blades. The chamfering roll is provided with a tapered blade that chamfers both sides of the skin of the piece of wood that has been cut into a flat shape by the roll cutter. Equipment for manufacturing flat wood pieces such as