JP2657370B2 - Method and apparatus for peeling bent material - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[Object of the invention]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a peeling method using a so-called ring barker-type peeling machine. The present invention relates to a method and an apparatus for peeling a bent material capable of removing an epidermis.

[0002]

BACKGROUND OF THE INVENTION As a means for removing raw wood skin, there is a so-called ring barker type peeler. This thing is fitted with a plurality of stripping blade unit with respect to the rotary ring is opened the center, the peeling blade tip of the peeling blade unit to face the center of the rotating ring, there by passing the material to be treated It is designed to peel or scrape the raw wood skin. In order to surely remove the raw wood skin in such a device, various improvements have been attempted, such as improvement of the shape and structure of a skin peeling blade directly responsible for the skinning action, or a combination of different kinds of skin peeling blades.

However in a state in which wood W itself serving as the material to be treated does not rotate in this type of ring Barker types of stripping techniques, to be sent in a substantially horizontal position, if there is a bend W ₀ to wood itself, in this part epidermis In some cases, W was not reliably removed. That is, in this type of peeling operation, as shown in FIG. 4, a material feeding device 3 'is provided before and after the skin peeling machine main body 2', and the relative movement between the skin peeling machine main body 2 'and the material feeding device 3'. The effective working position (height) can be adjusted according to the position of the log W, so that the average center of the log W supported by the feeding device and the center position of the rotating ring 15 'in the peeling machine main body 2' are adjusted. They try to match. However bend wood W as shown in FIG. 4 portion W
_If something with _zero is sent, the part is remarkably displaced from the center of the rotating ring 15 ', and the peeling blade 19' does not sufficiently contact the log W, and as a result, the skin W remains uncut. It will be.

[0004]

[Technical matters attempted to be developed] The present invention has been made in view of such a background, and is a novel bent material capable of reliably removing the skin even from a raw wood having a bent portion. The development of a method and an apparatus for peeling skin was attempted.

[0005]

Configuration of the Invention

According to a first aspect of the present invention, there is provided a method for peeling a bent material, wherein a plurality of peeling blade units are attached to a rotating ring having an open center, and a peeling blade provided at the tips of these peeling blade units. To the center of the rotating ring,
In a method in which the skin is removed by using a peeling machine main body through which a material to be processed is passed to remove the skin, and a material feeding device that sends the material to be processed before and after the peeling machine body, the peeling blade in the skin peeling machine body is used. in front, the vertical direction of the material to be treated
Detecting a definitive bending conditions, times in the peeling machine main body peeling action position in the peeling machine main body according to the bending situation
It is characterized in that it is changed by moving the rolling ring up and down .

[0006] Claims2Peeling of the described bending materialapparatus
Is to be peeled from the rotating ring with the center opened.
The blade unit was attached and provided at the tip of the peeling blade unit.
With the peeling blade facing the center of the rotating ring,
A peeling machine that passes through to remove the epidermis, and
Before and after the peeling using a material feeding device that sends the material to be treated
A peeling blade in the peeling machine main body.
In the first stage,In the vertical directionBending condition detected
Bend detection sensor that provides
The peeling action position on the peeling machine body according to the outputPeeling machine
To move the rotating ring on the main body up and down
ThereforeIt is characterized by having been changed
is there. In order to achieve the above object by these inventions,
It is.

[0007]

According to the first or second aspect of the present invention,
The bent state of the raw wood, which is the material to be treated, is detected before the peeling blade in the peeling machine body acts on the way of being sent. Change stripping action position stripping blade timber is matched to the core position of the bend in Thailand <br/> when to act accordingly is performed. As a result, even at the bent portion, the peeling blade uniformly contacts the outer peripheral portion, and reliable peeling is performed. Also, since the peeling action position is changed by moving the rotating ring of the peeling machine body in the vertical direction, a new system can be added basically while following the device structure of the conventional model. It becomes possible, and a new method can be realized with little increase in cost.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the illustrated embodiment. In this description, first, the structure of the peeling apparatus 1 of the present invention will be described, and then the operating state of the peeling apparatus 1 will be described. The method will be described. Reference numeral 1 denotes a peeling apparatus according to the present invention, which is a peeling machine body 2 to which a ring barker type is applied, a material feeding device 3 disposed before and after the peeling machine body 2, and a material to be processed. It comprises a control unit 4 for the centering of the cutting action position according to the condition of bend W ₀ of wood serving timber W.

[0009] First peeling machine main body 2 has a base frame 10, the movable frame 11 is slidably supported on the base frame 10. The movable frame 11 is attached to the base frame 10 so as to be able to smoothly slide up and down in a slide bracket 12, and a shift cylinder 13 is provided between the base frame 10 and the movable frame 11 in a vertical direction as an example. And
The movable frame 11 is moved vertically. A rotating ring 15 is rotatably attached to the movable frame 11 substantially at the center thereof.
The log W is configured to pass through the center opening 15A.

In the embodiment shown in the drawing, three peeling blade units 16 are provided on the supply side surface of the raw wood W as an example. Of course, the disposition position of the peeling blade unit 16 may be provided on the side of the rotating ring 15 on the discharge side of the log W ,
It may be provided on both the supply side surface and the discharge side surface of the transfer ring 15 . Further, in providing them on both sides, the peeling blade units 16 may be provided by combining different types. The peeling blade unit 16 has an arm 18 rotatably supported at a rotation fulcrum 17.
A peeling blade 19 is provided at the tip of the. By way of example, this stripping blade 19 is of the rotary blade type having a number of teeth on the rotating surface. A slider of a peeling blade cylinder 20 is connected to the other end of the arm 18, and is provided at the tip (operating end) of the arm 18 in the peeling blade unit 16 by contraction of the peeling cylinder 20. The convergence state of the peeling blade 19 is set. Of course, in addition to such a rotary blade-type peeling blade, a blade-shaped peeling blade may be applied.

Further , a drive motor M is mounted above the movable frame 11, and the rotation of the drive motor M is transmitted to the rotation ring 15 by a chain, gears or the like as appropriate, and generated on the rotation ring 15. The rotation is configured so that the peeling blade 19 is also rotationally driven by a planetary gear mechanism. Since these detailed mechanisms follow the conventional device, detailed description will be omitted.

[0012] On the other hand, Okuzai device before and after the peeling machine main body 2 3
Is provided. The material feeding device 3 is provided with a supply-side carrier conveyor 30 and a supply-side pressing roller 31 on the supply side. The supply-side carrier conveyor 30 employs a chain conveyor in which a multi-row chain having a depressed conveyance surface is combined, while the supply-side pressing roller 31 employs a drum-shaped roller. Normally, the raw wood W can be transferred only by driving the carrier conveyor 30, and the supply-side pressing roller 31 only needs to prevent floating of the raw wood W. Therefore, a free-rotating one is applied, In order to achieve this, the supply side pressing roller 31 may be driven as a matter of course.

[0013] be one further Okuzai device 3 providing the discharge-side carrier conveyer 32 and the discharge-side presser roller 33 on its discharge side, it may also apply the same configuration as the supply side for these. In many cases, the supply-side carrier conveyor 30 and the discharge-side carrier conveyor 32 have their transfer surfaces fixed, while the supply-side pressing rollers 3 facing upward are opposed to each other.
1. The discharge side pressing roller 33 is configured to be able to move up and down.

Furthermore stripping action position in peeling machine body 2,
That is, a bend detecting sensor 40 that constitutes a part of the control device 4 is provided at a position before (in the supply side direction) the position where the peeling blade 19 in the peeling blade unit 16 is in contact with the raw wood W. This uses a rod that directly traces the periphery of the log W, and detects the movement angle by, for example, a rotary encoder to detect and output a bending state, or an appropriate shape such as detection of a shape by an infrared cutoff sensor or the like. Means can be taken. The output value is appropriately processed in the control panel 41 of the control device 4, and the raw wood W
When the bend W ₀ of it is detected that there is consideration of the feeding speed of the raw wood W that timing is determined, aims to expansion and contraction of the shift cylinder 13 at the timing peeling blade 19 acts, peeling The center of action (substantially the center of the rotating ring 15) is adjusted to the center of the log at the bend.

The stripping method and apparatus for bending material of the present invention are those comprising a specific structure as described above, raw wood W such that bends W ₀ operates as follows present
Peel off the skin. First, a log W to be processed is supplied onto the material feeding device 3. In the actual peeling operation, the diameter of the raw wood W to be treated does not extremely differ, and rather the raw wood W having the same property is supplied. Considering the peeling machine body 2
, Ie, the center position of the rotating ring 15 is set.

In the state where such preparation work is completed, the log W
When There supplied, usually, that is, in the case despite the bend portion W ₀ is not present, opens the leading end of the plurality of peeling cutter units 16 which has been focused in accordance with the diameter of the timber W,
It rotates around the log W while receiving the log W.
As a result, the outer skin W of the raw wood W is scraped off in such a manner as to spirally trace the peripheral surface of the raw wood W that is sent while being placed horizontally.

[0017] When the timber W having a curved portion W ₀ at this time is supplied, the detection sensor 4 bend in front throughout the bend W ₀ of the wood W as shown in FIG. 3 in the skinning action position
0 is detected. This is detected the presence or status of the bend W _0, is stored the status in the control panel 41, the bend W ₀ aims to expansion and contraction of the shift cylinder 13 in consideration of the timing of reaching the stripping action position, for example, bend When the portion W ₀ is lower than other portions, the movable center 11 is pulled down so that the action center of the rotating ring 15 is aligned with the core of the log W in the bent portion W ₀ . You do it. As a result, even if it is a bent portion, the skinning blade 19 of the skinning blade unit 16 attached to the rotating ring 15 can be used as the skin w of the raw wood W.
, The skin w is completely removed.

Although the rotary ring 15 is moved up and down by direct drive by the shift cylinder 13, this may be carried out through an appropriate booster mechanism such as a link mechanism.

[0019]

The present invention has the above-described configuration and has the following effects. According to the first or second aspect of the present invention, the bending state of the raw wood W as the material to be processed is detected in the stage before the peeling blade 19 in the peeling machine main body 2 acts on the way of being sent. You. This change in stripping action position stripping blade wood W is tailored to the core position of the curved portion W ₀ at a timing that acts according to is carried out. This peeling blade 19 even at the bent portion W ₀ by the uniform contact with the outer peripheral portion, peeled reliable skin is performed. The rotary ring 1 changes position for skin <br/>剥作is in peeling machine main body 2
5 by moving it up and down,
Basically, a new system can be added while following the device structure of a conventional model, and a new method can be realized with little increase in cost.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the structure of a peeling apparatus according to the present invention.

FIG. 2 is a side view showing a method and an apparatus for peeling a bent material according to the present invention.

FIG. 3 is an explanatory diagram showing an operation state of the above.

FIG. 4 is an explanatory view showing a problem in a conventional peeling apparatus.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Peeling device 2 Peeling machine main body 3 Feeding device 4 Control device 10 Base frame 11 Movable frame 12 Slide bracket 13 Shift cylinder 15 Rotating ring 15A Center opening 16 Peeling blade unit 17 Rotating fulcrum 18 Arm 19 Peeling blade 20 Peeling blade cylinder 30 Supply-side carrier conveyor 31 Supply-side pressing roller 32 Discharge-side carrier conveyor 33 Discharge-side pressing roller 40 Bend detection sensor 41 Control board M Drive motor W Log W ₀ Bent portion w Skin

Claims (2)

(57) [Claims] 1. A plurality of peeling blade units are attached to a rotating ring whose center is opened, and a peeling blade provided at the tip of these peeling blade units faces the center of the rotating ring. In a method of peeling using a peeling machine main body that removes the epidermis by passing through, and a material feeding device that sends a material to be processed before and after the peeling machine, in the stage before the peeling blade in the peeling machine body, Up and down the lumber
Direction is detected, and the peeling action position on the peeling machine body is set on the peeling machine body in accordance with the bending situation.
A method for peeling a bent material, characterized in that the rotating ring is changed by moving the rotating ring up and down . 2. A plurality of peeling blade units are attached to a rotating ring whose center is opened, and a peeling blade provided at the tip of the peeling blade unit faces the center of the rotating ring, and passes through the material to be processed. In a device for peeling the skin using a peeling machine body configured to remove the skin by means of a peeling machine body and a material feeding device that sends a material to be processed before and after the peeling machine, the material to be treated is removed before the peeling blade in the peeling machine body. A bending detection sensor for detecting a bending state in the vertical direction is provided, and the peeling action position on the peeling machine main body is moved in the vertical direction according to the output of the bending detection sensor.
A bending material peeling apparatus characterized in that the bending material is changed by changing.