JPH0433608B2 - - Google Patents

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]

Conventionally, for example, confectionery stick materials have been made by vertically splitting a tree with black bark called Kuromoji or Kurobunju and cutting the vertically split pieces into flat wood pieces.

That is, as shown in Fig. 8, if the diameter of the tree 2 with the bark 1 is relatively large, it is divided into four equal parts (or five equal parts, six equal parts, etc.) from the center of the cross section. (or five, six, etc.) vertically divided pieces 3 are obtained, and as shown in Figure 9, if the diameter of the tree 2 is relatively small, it is divided into thirds from the center of the cross section and divided into three vertically divided pieces. Piece 3
After obtaining, this vertically divided piece 3 is cut.

During cutting, as shown in Figure 10,
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, preferably, as shown in FIG. 11, both side edges 4a, 4a of the skin part 1 of the piece of wood 4 are cut.

Thus, the wood piece 4 obtained above is the 12th piece of wood.
As shown in the figure, use a knife etc. to cut one end into the skin part 1.
The inclined thin wall portion 5 is cut in the direction of reducing the plate thickness from
a is formed, and both side edges of the thin part 5a are cut so that the tips thereof become sharp, thereby forming a tapered part 5b,
5b is formed, and further, the other end is cut with a steep slope in the direction of thinning the plate thickness from the skin part 1, and a tail slope part 5 is formed.
c is formed, thereby forming the candy bar 5.

[Problem to be solved by the invention]

Conventionally, the cutting operations shown in FIGS. 10 and 11 have been performed manually by skilled craftsmen. For this reason, there is a problem in that production efficiency cannot be improved and costs cannot be reduced due to personnel costs and the like.

[Means to solve the problem]

The present invention solves the above-mentioned problems and automates the cutting operation for converting vertical pieces of trees with bark into flat pieces. A pair of transport rolls that sandwich and transport the split pieces, and a support stand and a roll cutter that are arranged to sandwich the vertical split pieces being transported: One of the transport rolls is used to hold and transport the vertical split pieces. The support base has a U-shaped groove that supports the skinned surface of the vertical split piece; the other roll has a V-shaped groove that supports the split face of the vertical split piece; The roll cutter extends in the conveying direction; the roll cutter includes 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. At the point.

In addition, the second means includes 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 surface. Among the transport 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. The support base has a U-shaped groove extending in the conveying direction to support the peeled surface of the vertically divided piece; the roll cutter has double-edged blades for cutting both side edges of the vertically divided piece, and a double-edged blade. and an intermediate blade for cutting the split surface of the longitudinally split piece into a flat surface; the chamfering roll cuts into a chamfer shape the both sides of the bark part of the wood piece that has been cut into a flat shape by the roll cutter. The point is that it is equipped with a tapered blade.

〔Example〕

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

(Overall Configuration) Referring to FIG. 1, in order to explain the conveyance direction of the vertically divided pieces, the conveyance guide table 6 has a plurality of guide grooves 7 for guiding the vertically divided pieces 3 in the conveying direction. In the example, three stripes are formed.

A set of conveyance roll means 8 constitutes a pair of upper and lower conveyance rolls 9 and 10 that sandwich and convey the vertically divided piece 3, and each roll is driven and rotated synchronously in the direction of the arrow shown in the figure by means of support shafts 11 and 12, respectively. be done. The lower conveyor roll 10 supports the skinned surface of the vertically divided piece 3.
A plurality of shaped grooves 10a are formed corresponding to the guide grooves 7, and the upper conveying roll 10 has V-shaped grooves 9a that support the chevron-shaped split surfaces 3b of the vertically split pieces 3 in the U-shaped grooves 10.
A plurality of strips are formed corresponding to a. In the illustrated example, two sets of the conveyance 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 connected to the base stand 16 by an adjustment bolt 15.
A plurality of U-shaped grooves 17, three in the illustrated example, are formed in the conveying direction to support the peeled surface of the vertically divided piece 3 being conveyed on the upper surface, and are supported on the upper surface so as to be vertically adjustable.
In the middle of the U-shaped groove 17, a recess 18 is formed which is separated from the skinned surface of the vertically divided piece 3 with a gap.

Above the support stand 14, the roll cutter 1
3, a guide means 19 is arranged, the guide means 19 having a guide member 20 located transversely to the three U-shaped grooves 17.

The roll cutter 13 is arranged to face the recess 18 and is driven and rotated by a support shaft 21 in the direction of the arrow shown in the figure. Note that the details of the blade of the roll cutter 15 will be described later.

A restraining means 22 is disposed above the support stand 14 and following the roll cutter 13. This restraining means includes a sliding piece 23 positioned in a direction crossing the three U-shaped grooves 17, and a spring 25 provided on the rod portion 24 of the restraining means 22 causes the sliding piece 23 to form a U-shape. It is biased in the direction of the groove 17.

After cutting the longitudinally split piece 3 into a flat piece of wood 4 using a roll cutter 13, chamfering rolls 26 are arranged to cut 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. has been done. This chamfering roll 26 is driven and rotated by a support shaft 27 in the direction of the arrow shown in the figure. Note that details of the blade of the chamfering 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 28, 29 are driven and rotated in synchronization in the direction of the arrow in the figure by support shafts 31, 32, respectively. Both delivery rolls each have combustible bodies 28a and 29a made of elastic synthetic resin, rubber, or the like, and elastically clamp and deliver the cut piece of wood 4. In the illustrated example, two sets of this one set of sending means 30 are provided in series in the conveyance direction.

(Specific structure and operation) Guide the vertically divided piece 3 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),
When protruding 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, 10 of the conveying roll means 8. At this time, the U-shaped grooves 10a of the transport roll 10 suitably support the skinned surface of the vertically split piece 3, and the V-shaped grooves 9a of the transport roll 9 suitably support the chevron-shaped split surface 3b of the vertically split piece 3. Therefore, 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 vertical piece 3 is fed into the U-shaped groove 17 of the support base 14 while being restrained from jumping up by the guide member 20 of the guide means 19, and the skinned surface of the vertical piece 3 is inserted into the U-shaped groove 17. (Fig. 4).

When reaching the roll cutter 13, the vertically divided piece 3
The both side edges 3a and the split surface 3b shown in Figure 0 are cut. For this reason, the roll cutter 13 has double edge blades 33 for cutting both side edges 3a of the vertically split piece 3.
and the chevron-shaped split surface 3b of the vertical split piece 3 between the both edge blades 33.
It is provided with an intermediate blade 34 in the shape of a horizontal straight line for cutting into a flat surface (FIGS. 5 and 6). In the illustrated example, two cutter means 35 consisting of the double-edged blades 33 and the intermediate blade 34 are provided corresponding to two strips of the U-shaped groove 17 of the support base 14, and one strip of the remaining U-shaped groove 17 is provided. In addition, another cutter means 36, which will be described later, is provided.

The vertically split piece 3 cut by the roll cutter 13 is made into a flat piece of wood 4, and when it is sent out from the U-shaped groove 17 of the support stand 14, it passes through the rubbing piece 23 of the restraining means 22, and the piece of wood 4 is shaped like a stick. The thorns and fibers connected to the tube are removed (Figure 1).

Subsequently, the wood piece 4 is cut into a chamfered shape at both side edges 4a of the skin part shown in FIG. 11 by a chamfering roll 26. For this purpose, the chamfering roll 26 is provided with a tapered blade 37 for cutting the both side edges 4a (FIG. 7). In the illustrated example, the tapered blade 3
Two taper blades 7 are provided corresponding to the two U-shaped grooves 17 of the support base 14, and another taper blade 38, which will be described later, is provided corresponding to one of the remaining U-shaped grooves 17.

Thus, the cut piece of wood 4 is delivered to the delivery means 3.
The paper is elastically held between upper and lower delivery rolls 28 and 29 of 0 and delivered (FIG. 1).

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

(Additional Example) Another cutter means 3 of the roll cutter 13 described above
6 and another tapered blade 38 of the chamfer roll 26 are not made of the material of the candy bar 5 as in the present invention, but are made of the first material.
It is used to cut the material for the black letter toothpick 39 as shown in Figure 4.

For this reason, another cutter means 36 of the roll cutter 13 has a double-edged blade 40 for cutting both side edges 3a of the vertically divided piece 3, and a chevron-shaped cut surface 3b of the vertically divided piece 3 between the double-edged blades 40. an intermediate blade 41 for cutting into a flat surface;
A cutting blade 42 is provided in the middle of the intermediate blade 41 to cut the vertically dividing piece 3 into two in the width direction. Therefore, as shown in FIG. 13, when cutting the longitudinally 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, in the chamfering roll 26 as well, another tapered blade 38 cuts each tapered narrow groove 3 in a chamfer shape on both sides of each skin part of the bisected wood strip 41.
8a and 38b.

The present invention uses a roll cutter 13 to cut all of the vertically divided pieces 3 conveyed in plurality into flat wood pieces 4.
and a chamfering roll 26 can also be configured,
As in this additional embodiment, at least one of the plurality of vertically split pieces 3 is cut into a flat piece of wood 4, and the other vertically split pieces 3 are cut into a wooden strip 41 for a toothpick, etc. It may be configured to be cut into a piece of wood for the purpose of.

〔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 drawings]

FIG. 1 is a front view schematically illustrating the whole of one embodiment of the present invention, FIG. 2 is a vertical side view of the conveyance guide table, FIG. 3 is a vertical side view of the conveyance roll means, and FIG.
The figure is a vertical side view of the support stand and guide means, Figure 5 is a front view of the support stand, roll cutter, and chamfered roll, Figure 6 is a side view of the support stand and roll cutter, and Figure 7 is the side view of the chamfered cutter. Vertical side view, Figures 8 and 9 are explanatory diagrams showing the method of vertically splitting a tree, Figure 10 is an explanatory diagram showing the cutting points of the vertically divided pieces, and Figure 11
The figure is an explanatory diagram showing the chamfered parts of a flat piece of wood, No. 12.
13 is an explanatory diagram showing a method of cutting wooden strips for toothpicks, and FIG. 14 is a perspective view of the toothpick. 1... Leather, 2... Tree, 3... Vertical piece, 3a...
...both side edges, 3b... split surface, 4... flat piece of wood,
4a...both side edges, 5...sweets scoop, 6...conveyance guide stand, 9, 10...conveyance roll, 9a...V
Shaped groove, 10a... U-shaped groove, 13... Roll cutter, 14... Support stand, 17... U-shaped groove, 18...
Recessed portion, 20...Guide member, 23...Sliding piece, 2
6... Chamfering roll, 28, 29... Delivery roll,
33...Double edge blade, 34...Intermediate blade, 35...Cutter means, 36...Another cutter means, 37...Tapered blade, 38...Another taper blade.

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: 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; A U-shaped groove that supports the peeled surface of the piece extends in the conveying direction; An apparatus for producing flat pieces of wood, such as a material for candy bars, comprising: an intermediate blade for cutting into a flat surface; 2. 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 chamfering roll; , one roll has a U-shaped groove that supports the skinned surface of the longitudinally split piece, and the other roll has a V-shaped groove that supports the split surface of the longitudinally split piece; A U-shaped groove for supporting the skinned surface of the vertically divided piece is provided extending in the conveying direction; an intermediate blade for cutting into a surface; the chamfering roll is equipped with a tapered blade for chamfering both side edges of the bark of the piece of wood that has been cut into a flat shape by the roll cutter; Equipment for manufacturing flat wood pieces for making sweets, etc.