JPH0267103A - Wood peeler - Google Patents

Abstract

PURPOSE:to efficiently perform peeling work by arranging a rotor having a small diameter, which is positioned on the axial line crossing the axial line of a rotary body almost at right angles to be driven forcibly, above the rotary body to peel wood crosswise. CONSTITUTION:A rotor 9 having a small diameter positioned on the axial line crossing the axial line of a rotary body 7 almost at right angles to be driven forcibly is arranged above the rotary body 7 and a large number of peeling blades 8 are provided to the outer peripheral surface of the rotor 9. The bark of wood 2 is peeled off crosswise by scratching in both of the peripheral direction due to the peeling blades 6 of the rotary body 7 and the longitudinal direction due to the peeling blades 8 of the rotor 9. The peeling blades 6 of the rotary body 7 can be omitted between the rotors 9. The tumbling and movement of wood having a heavy wt. and a large diameter can be smoothly performed by the rotor 9.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a wood debarking machine used for debarking in a pre-process of producing wood chips, debarking of construction wood, and the like.

(Prior art) Conventionally, this type of wood peeling machine has been used, for example, in the
There is one disclosed in Japanese Patent No. 5764.

This wood peeling machine has an opening formed at the bottom of a peeling tank that accommodates wood, a rotating body arranged below the peeling tank so as to close the opening, and a large number of peeling blades on the outer peripheral surface of the rotating body. established,
The wood put into the peeling tank is peeled by the peeling blade of the rotary body that is rotated, and the wood is discharged from the outlet at the end of the peeling tank. It is supposed to fall.

(Problems to be Solved by the Invention) In the above-mentioned prior art, the peeling blade provided on the rotating body hits the wood in the peeling tank in stages, so the wood is peeled while being transferred. By the way, I put the wood in through the inlet,
This wood is rotated towards the outlet,
It accumulates at the input location, making it difficult to move smoothly toward the discharge port. On the other hand, as the wood rotates, the skin is sequentially peeled off while forming circumferential grooves on the outer surface of the skin using a peeling blade. The movement is not carried out smoothly, and subsequent peeling blades hit and dig into the same area, damaging the woody part of the wood. Therefore, there are problems such as the burning of the wood part and deterioration of the quality, uneven peeling, and reduced peeling efficiency.

The present invention was made in view of the above-mentioned circumstances, and
The purpose is to provide a wood peeling machine that can prevent material loss and low quality of the woody parts of wood, can uniformly peel the wood, and can improve the peeling efficiency.

(Means for Solving the Problems) In order to achieve the above object, the present invention has taken the following technical means.

That is, in the present invention, an opening 5 is formed at the bottom of a peeling tank 3 that accommodates wood 2, a rotating body 7 is arranged below the peeling tank 3 so as to close the opening 5, and the rotating body 7 is In a wood peeling machine, a large number of peeling blades 6 are provided on the outer circumferential surface, and the wood in the peeling tank 3 is peeled by the peeling blades 6 of a rotary body 7 that is rotated. A small-diameter rotor 9 that is forcibly driven and located on an axis substantially perpendicular to the axis of the rotor 7 is disposed, and a large number of peeling blades 8 are provided on the outer peripheral surface of the rotor 9.

It is preferable that the rotor 9 penetrates through the peeling tank 3, is pivoted at an angle with respect to a horizontal plane, and rotates the wood in a direction to send the wood to its discharge port 14.

(Function) According to the present invention, the wood 2 put into the peeling tank 3 is sequentially hit by a large number of peeling blades 6 by the drive of the rotating body 7, so that the wood 2 can be peeled while rotating in a fixed direction. progresses and is sequentially transferred toward the wood discharge port 14. And wood 2
During the transfer, the rotor 9 being driven
The skinning blade 8 collides with the wood in the longitudinal direction and acts to move the wood staying in the vicinity directly below the input port 16 toward the discharge port 14, and also tears the outer skin of the wood 2 in the longitudinal direction. , the skin between the circumferential grooves formed by the skinning blade 6 of the rotor 7 is torn and scraped, and the wood 2 is removed by the skinning blade 8 of the rotor 9.
The lumber is forcibly sent toward the wood discharge port 14, and the rotary body 7 is smoothly displaced in the axial direction with respect to the peeling blade 6, so that uniform peeling is efficiently performed.

(Example) Embodiments of the present invention will be described below with reference to the drawings.

In the drawings, reference numeral 1 denotes a wood peeling machine, which includes a peeling tank 3 into which wood 2 (raw wood) is fed and stored from above, a pedestal 4 that supports and fixes the peeling tank 3 horizontally, and an opening at the lower end of the peeling tank 3. a rotating body 7 equipped with a skinning blade 6 whose upper side faces into the part 5;
A rotor 9 is provided with a peeling blade 8 disposed perpendicularly above the rotor 7.

The peeling tank 3 has a rectangular shape when viewed from above, and includes left and right side plates 10.1) extending in the longitudinal direction, and side plates 10.1).
An end plate 12 that connects one longitudinal end of the , and both side plates 10 .
1) a plurality of upwardly protruding (semicircular) connecting plates 13 connecting the lower ends, and the opening 5 is formed between the connecting plates 13.
is formed, the other end in the longitudinal direction is open to form a wood discharge port 14, and the upper part is open. Also wood outlet 1
4 is provided with a discharge chute 15 for discharging peeled wood, and a wood inputting chute 16 is provided above the end opposite to the discharge port 14 of the side plate 1° of the peeling tank 3. The connecting plate 13 is inserted to prevent the wood 2 from falling through the gap between the side plates 10, 1) and the rotating body 7 or the peeling blade 6, or from being pulled into this gap. It is preferable to arrange the pieces at intervals shorter than half the length of the pieces of wood 2. moreover,
A peeling blade 17 is provided on the upper surface of the connecting plate 13.

The rotary body 7 extends from the peeling tank 3 in the downward longitudinal direction of the connecting plate 13.
A rotary shaft 19 is fixed in a protruding manner to the center of a long cylindrical end plate 18 extending over the entire length of the plate.
It is rotatably supported by a bearing stand 20 supported by the pedestal 4, and is rotated by a motor with a reduction gear (not shown).

A large number of peeling blades 6 fixed to the outer peripheral surface of this rotating body 7 are
It is sufficient to provide a stepped blade, a saw blade, a chip blade, etc. with a desired shape as shown in the drawing, and the height is higher than the connecting plate 13, and the blade is aligned with the axis of the rotating body 7 as shown in the drawing. By arranging the wood 2 obliquely, a force in the moving direction can be applied to the wood 2.

The rotor 9 has an elongated shaft with a small diameter, and peeling blades 8 are arranged at appropriate intervals on the outer circumferential surface of the rotor 9.
On the input side, it is located close to above the rotating body 7 and between the skinning blades 6, and both ends penetrate the left and right side plates 10.1) and are rotatable to the both side plates 10.1) via bearings 21. And it is pivoted at an angle with respect to the horizontal plane. The three rotors 9 are arranged at substantially the same intervals as the connecting plates 13,
A transmission pulley 22 is fixed to one end of each, and a drive pulley 2 of a motor 23 with a reducer attached to a frame 4
4 through a belt 25.

In addition, since the rotor 9 is provided in an inclined manner with respect to the horizontal plane, it promotes the transfer of the wood 2 in the direction of one side plate 10 and causes the peeling blade 6 to hit the entire outer circumference of the wood 2. be able to. However, it goes without saying that the rotor 9 may be arranged horizontally. Further, the peeling blades 8 disposed on the rotor 9 can have a desired shape such as a stepped blade, a saw blade, a chip blade, etc., and their arrangement may be staggered, parallel, etc. It is fixed obliquely to the axis of the child 9,
A feeding force in the axial direction can be applied.

26 is a belt conveyor for conveying skins.

According to the above embodiment, the rotating body 7 is rotated in the direction of the arrow A, the rotor 9 is rotated in the direction of the arrow, and the wood 2 is
When the wood 2 is introduced from the wood input chute 16, the wood 2 hits the connecting plate 13 and the peeling blades 17, 6 provided on the rotating body 7, and
While being supported, it is transferred from the right side plate 1) to the left side plate 10 while being dragged by the most protruding skinning blade 6.

At this time, since the peeling blade 6 has a stepped blade, the wood 2
It acts like peeling off the epidermis of the skin, forming a circumferential groove.

At the same time, as the wood 2 is moved, it will be dragged on the connecting plate 13, so the outer skin will be scratched by the skinning blade 17 provided on the connecting plate 13, and the wood 2 will be subjected to the peeling action, and the leading wood 2 will be dragged on the connecting plate 13. They are chased by the wood and sequentially move toward the wood discharge port 14 side.

The tip of the leading wood 2 hits the rotor 9, but since the rotor 9 is driven to rotate, it rides on the rotor 9 and hits the skinning blade 8 provided on the rotor 9. Wood 2
The skin of the skin is scratched in the longitudinal direction, and the circumferential grooves formed by the peeling blade 6 of the rotating body 7 are torn, and the skin is efficiently peeled off. The wood 2 is dragged by the peeling blade 8 of the rotor 9 and moved toward the wood discharge port 14, and since the rotor 9 is inclined with respect to the horizontal plane, the weight of the wood 2 I was sent there while being transferred.

Further, when the wood 2 passes over the rotor 9, it is again subjected to the same peeling action as described above by the peeling blade 6 of the rotor 7, and the remaining outer skin is peeled off and moved to the wood discharge port 14, where it is completely removed. The wood loses its outer skin, falls from the wood discharge chute 15, and is carried out.

On the other hand, the skin peeled off from the wood 2 is attached to the left and right side boards 10.
．． 1) and the rotating body 7, and the belt conveyor 2
6. It falls onto the ground and is taken out and collected.

Since the connecting plates 13 are arranged at intervals shorter than half the length of the wood 2 to be thrown in, the wood 2 is always supported by two or more connecting plates 13, and both side plates 10.1) The wood 2 is prevented from falling through the gap between the rotary body 7 and the end of the wood 2 is caught in the gap, and the wood 2 is smoothly moved inside the peeling tank 3.

In addition, since the bottom of the peeling tank 3 is formed into an upwardly protruding shape by the rotating body 7 and the connecting plate 13, it is possible to prevent the wood 2 from staying in one place at the bottom, and the arrangement of the rotor 9 is As a result, retention of wood 2 in the tank 3 can be completely eliminated.

The number, spacing, and arrangement positions of the rotors 9 in the above embodiment are merely examples. However, as shown in Figure 2,
If at least one is provided at a portion located slightly away from the wood input portion toward the discharge port, the wood remaining at the wood input portion can be smoothly moved toward the discharge port. Also the second
In the illustrated example, three rotors 9 are provided, but the last one does not need to be provided near the discharge port. moreover,
The peeling blade 6 of the rotating body 7 between the rotors 9 can be omitted. Moreover, each rotor 9 may be interlocked with one motor.

FIG. 5 is a longitudinal cross-sectional view of the main part showing another embodiment of the present invention. The difference from the previous embodiment is the cross-sectional shape of the skin removal tank 3 and the provision of a skin receiving gutter 27 at the bottom of the rotating body 7. The only difference is that the belt conveyor 26 is provided on the side of the rotating body 7, and the other configurations are the same. Therefore, since the same effects as those of the embodiment described above are achieved, detailed explanation will be omitted.

The skin that has fallen onto the skin receiving trough 27 is scraped off laterally by the peeling blade 6 and discharged onto the belt conveyor 26.

In the embodiment of the present invention, the connecting plate 13 is provided, but this can be omitted, and the peeling tank 3 and the rotating body 7 are installed at an angle so that the wood outlet 14 side is lower. You may.

(Effect of the invention) As described above, the wood peeling machine according to the present invention has the rotary body 7
A small-diameter rotor 9 that is forcibly driven and located on an axis substantially orthogonal to the axis of the rotating body 7 is disposed above, and a large number of peeling blades 8 are provided on the outer peripheral surface of the rotor 9. The outer skin of the wood 2 is stripped off in a cross-like manner by scratching both in the circumferential direction by the skinning blade 6 of the rotor 7 and in the longitudinal direction by the skinning blade 8 of the rotor 9, thereby performing an efficient skinning action. At the same time, the rotor 9 allows for smooth transfer and movement of wood with large weight and diameter, and prevents the subsequent peeling blade 6 from hitting and biting into the same area and damaging the wood part. , it is possible to prevent material loss and quality deterioration and ensure uniform peeling.

Furthermore, since the rotor 9 is inclined with respect to the horizontal plane, the transfer of the wood 2 is promoted and the outer skin can be completely stripped off.

Further, since the rotor 9 is rotated in the direction to send the wood 2 to the discharge port 14, the movement of the wood 2 to the discharge port 14 is facilitated, and the wood 2 is prevented from staying in the central part of the tank 3. This makes it possible to improve quality and peeling efficiency.

In addition, since at least one of the rotors 9 is provided at a position slightly shifted from directly below the input port toward the discharge port 14 side, wood that remains near the wood input port can be smoothly moved toward the input port. Allows for smooth peeling work.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a plan view;
Fig. 2 is a side view, Fig. 3 is a sectional view taken along the line 8-A in Fig. 1, Fig. 4 is an explanatory diagram of the relationship between the rotating body and the rotor, and Fig. 5 is a sectional view of main parts showing another embodiment. It is. 1... wood peeling machine, 2... wood, 3... barking tank,
5... Opening, 6, 8... Skinning blade, 7... Rotating body, 9... Rotor, 14... Discharge port.

Claims (4)

[Claims] (1) An opening (5) is formed at the bottom of the peeling tank (3) that accommodates the wood (2), and an opening (5) is formed below the peeling tank (3).
A rotating body (7) is arranged so as to block the
A wood peeling machine is provided with a large number of peeling blades (6) on the outer peripheral surface of the wood peeling machine, and the wood in the peeling tank (3) is peeled by the peeling blades (6) of a rotary body (7) that is rotated. Above the rotating body (7), there is a small-diameter rotor (
9), and a large number of skinning blades (
8) A wood peeling machine characterized by being provided with. (2) The wood peeling machine according to claim 1, wherein the rotor (9) passes through the peeling tank (3) and is pivotally supported at an angle with respect to a horizontal plane. (3) The rotor (9) removes the wood from its outlet (14).
3. The wood peeling machine according to claim 2, wherein the wood peeling machine is rotated in a direction to feed the wood. (4) The wood peeling machine according to claim 1, wherein at least one of the rotors (9) is provided at a position slightly shifted from directly below the input port toward the discharge port (14).