JPH08168977A - Wood marker and method for marking wood - Google Patents

Abstract

PURPOSE: To provide a wood marker that prevents wear or breaking of the ends of writing instruments. CONSTITUTION: A wood marker 1 which marks the top surface of timber 6 placed on a conveying surface 2 is provided with a moving element 3 which moves freely in the directions parallel and perpendicular to the conveying surface 2; a copying surface 20 which moves freely in the direction perpendicular to the conveying surface 2 by abutting to the top surface of the timber 6; and a vertical motion transmitting member 15 which is connected to the copying surface 20, is loosely fitted into the moving element 3 and moves freely in the direction perpendicular to the conveying surface 2. A stopper portion 15' for stopping downward movement is provided in the vertical motion transmitting member 15, a holding member 31 which is connected to the vertical motion transmitting member 15 and which holds a writing instrument 30 in such a way that the writing instrument freely rises and falls is provided, and the end of the writing instrument 30 held by the holding member 31 is projected from the bottom surface of the copying surface 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a marking machine for woodworking and a method of marking wood, and more particularly to a woodworking machine that uses a writing instrument such as a ballpoint pen to perform the standardization of wood. The present invention relates to a sanitizing machine and a method for sanitizing wood.

[0002]

2. Description of the Related Art Conventionally, there is a black-printing machine for woodworking, which uses a ball-point pen to carry out black-printing as a standard for processing wood.

[0003] In this woodworking inking machine, a ballpoint pen is supported with an elastic member interposed, and the tip of the ballpoint pen abuts the upper surface of the wood to follow the upper surface shape of the wood to some extent.

[0004]

However, in the above-mentioned wood marking machine for woodworking, the height position of the tip of the ballpoint pen is constant regardless of the shape of the top surface of the wood.
The writing pressure is not constant, and in particular, the shape of the wood that the tip of the ballpoint pen touches is such that the tip of the ballpoint pen hits weakly in the recess and the marking line is thin. The tip is worn, or
There was a problem of damage.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a wood marking machine and a method for marking wood which eliminates the above-mentioned conventional problems.

[0006]

In order to achieve the above object, in a woodworking machine for woodworking of the present invention, there is provided a woodworking machine for woodworking on the upper surface of wood placed on a conveying surface. A movable body that is movable in a horizontal direction and a vertical direction with respect to the transport surface, a copying surface that is in contact with the upper surface of the wood and is movable in the vertical direction with respect to the transport surface, and is connected to the copying surface. And a vertical movement transmitting member that is loosely fitted to the moving body and is movable in the vertical direction with respect to the conveying surface; a stopper portion provided on the vertical movement transmitting member to prevent downward movement; A holding member that is connected to the motion transmitting member and that holds the writing instrument movably up and down is provided, and the tip of the writing instrument held by the holding member is projected from the lower surface of the copying surface.

Further, in the method for blackening wood according to the present invention, in the method for blackening wood on the upper surface of the wood placed on the carrying surface, the horizontal direction and the vertical direction with respect to the carrying surface. A movable body which is movable to the movable body, a copying surface which is in contact with the upper surface of the wooden piece and is movable in a direction perpendicular to the transportation surface, and which is connected to the copying surface and is loosely fitted to the movable body. A vertical movement transmitting member that is movable in a direction perpendicular to the surface, a stopper portion that is provided on the vertical movement transmitting member and prevents downward movement, and is connected to the vertical movement transmitting member, and moves up and down the writing instrument. And a holding member that holds the movable member, the tip of the writing instrument held by the holding member is projected from the lower surface of the copying surface, and first, the copying surface is brought into contact with the upper surface of the wood and the upper surface Move up and down according to the shape, this movement The vertical movement transmission member and is transmitted via the retaining member is follow the tip of the writing instruments, then, the tip of the writing instrument is brought into contact with the upper surface of the timber is obtained by attaching ink.

Further, in the method for blackening wood according to the present invention, in the method for blackening wood on the upper surface of the wood placed on the carrying surface, the horizontal direction and the vertical direction with respect to the carrying surface. A movable body that can move freely, an elevating means that vertically elevates and lowers the movable body, a horizontal moving means that horizontally moves the movable body, and a vertical surface with respect to the transport surface that abuts the upper surface of the wood. And a vertical movement transmitting member that is connected to the copying surface and is loosely fitted to the moving body and is movable in the vertical direction with respect to the conveying surface, and the vertical movement transmitting member. A stopper portion that prevents downward movement, a holding member that is connected to the vertical movement transmission member, and that holds the writing instrument in a vertically movable manner,
Is provided, the tip of the writing instrument is projected from the lower surface of the copying surface by a certain amount, and the lower surface of the copying surface by the elevating means is lateral to the wood placed on the transport path and lower than the upper surface of the wood. Lower the moving body to the position,
After that, the moving body is moved in the horizontal direction by the horizontal moving means, the copying surface is brought into contact with the upper surface of the wood and moved up and down along the shape of the upper surface, and this movement is performed by the vertical movement transmitting member and the vertical movement transmitting member. The tip of the writing instrument is made to follow by transmitting through the holding member, and then the tip of the writing instrument is contacted with the upper surface of the wood to be blackened, and then the tip of the writing instrument and the upper surface of the wood. The contacting state is released, and further, the horizontal moving means moves it in the direction opposite to the horizontal direction to retract the tip of the writing instrument on the line where the marking has been performed and redact it again.

Further, in the method for blackening wood according to the present invention, in the method for blackening wood on the upper surface of the wood placed on the carrying surface, the horizontal direction and the vertical direction with respect to the carrying surface. A movable body that can move freely, an elevating means that vertically elevates and lowers the movable body, a horizontal moving means that horizontally moves the movable body, and a vertical surface with respect to the transport surface that abuts the upper surface of the wood. And a vertical movement transmitting member that is connected to the copying surface and is loosely fitted to the moving body and is movable in the vertical direction with respect to the conveying surface, and the vertical movement transmitting member. And a stopper member for preventing downward movement, and a holding member that is connected to the vertical movement transmission member and that holds the writing instrument in a vertically movable and swingable manner. Insert the tip from the bottom of the copying surface. By a certain amount, the lowering means lowers the moving body so that the lower surface of the copying surface is lateral to the wood placed on the conveyance path and lower than the upper surface of the wood, and then the horizontal By moving the moving body in the horizontal direction by a moving means to bring the copying surface into contact with the upper surface of the wood and move it vertically along the shape of the upper surface,
This movement is transmitted through the vertical movement transmission member and the holding member to follow the tip of the writing instrument, and then the tip of the writing instrument is brought into contact with the upper surface of the wood so that the tip of the writing instrument advances. The tip of the writing instrument and the upper surface of the wood are contacted and inked to incline so as to retreat, and then the contact state between the tip of the writing instrument and the upper surface of the wood is released, and further, It is moved in the direction opposite to the horizontal direction by the horizontal moving means, is inclined so that the tip of the writing instrument is retracted with respect to the traveling direction, is retracted on the line marked with ink, and is redacted again.

[0010]

[Operation] The black-and-white machine for woodworking constructed as described above
When the tip of the writing instrument held by the holding member is projected from the lower surface of the copying surface and the upper surface of the wood is brought into contact with the copying surface, the copying surface moves up and down following the shape of the wood, and accordingly moves up and down. The tip of the writing instrument held by the holding member via the transmission member also moves up and down.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings. In FIGS. 1 to 12, reference numeral 1 denotes a writing instrument such as a ballpoint pen (the writing instrument includes a ballpoint pen, a pencil, a fountain pen, a mechanical pencil, etc.). , And preferably a ball-point pen.) A woodworking blackprinting machine that performs blackprinting as a reference for wood processing. The woodworking blackprinting machine 1 is horizontal (parallel) to the transport surface 2. ) And a movable body 3 which is movable in the vertical direction (see FIG. 1).

The transport surface 2 is provided on the machine base 4 and is constructed by arranging rollers 5 side by side. A piece of wood 6 is placed on the transport surface 2, and the wood 6 is fixed by a vise (not shown) when the wood 6 is subjected to blackening, which is a reference for processing.

A moving body 3 is located above the transport surface 2,
The moving body 3 is horizontally movably attached to the elevating tables 8 located on both sides of the conveying surface 2 and the horizontal members 9 connected to the elevating tables 8.

Through-holes 81 are provided inside the elevators 8 and 8, and the through-holes 81 use the columns 10 and 10 as guides, and the elevator 8 is vertically moved up and down by a not-shown elevating means. The moving body 3 also moves up and down in the vertical direction. The lifting means (not shown) has, for example, a rod of a cylinder (not shown) attached to a side portion of the lifting table 8, and the stop of the lifting of the lifting means is integrally connected to the lifting table 8 as shown in FIG. The detection roller 50 thus formed or the detection roller 51 integrally connected to the horizontal member 9 is brought into contact with the upper surface of the wooden piece 6. Two detection rollers 50 and 51 are provided because, as shown in FIG. 2, only the detection roller 51 may come into contact when the tip of the wooden piece 6 is called "cutting ink". As shown in FIG. 4, there is a case in which only the detection roller 50 may come into contact when blackening, and this is to be able to cope with such a case.

Although not shown, the through hole of the left lifting table 8 shown in FIG. 1 is formed similarly to the through hole 81 of the right lifting table 8.

A groove 12 is formed on the moving body 3 so that it can be moved horizontally along a guide 91 provided on the horizontal member 9, and the moving body 3 is moved horizontally (for example, in FIG. 1). Cylinder mounted on the side of the lift 8 as shown
At 13, the rod 13 'of the cylinder 13 is the hole 8'of the lift 8.
Penetrates through. ) To move horizontally.

As shown in FIGS. 3, 9 and 10, for example, the movable body 3 is penetrated by vertically moving the vertical movement transmitting member 15 so that the vertical movement transmitting member 15 is freely movable (fitted with play). A hole 3'is provided. Bearing in the through hole 3 '
16 are provided.

The vertical movement transmitting member 15 is connected, for example, via a joint 17 (for example, a pin) whose movement amount can be adjusted, and forms a stopper portion 15 'which is larger than the inner diameter of the bearing 16 so as to move downward. It is blocking.

A copying surface 20 is connected to the side of the vertical movement transmitting member 15 close to the wood 6 (or the conveying surface 2), and the copying surface 20 is a flat surface 21 at a portion abutting on the upper surface of the wood 6. Is formed, and inclined surfaces 22, 22 are provided at the front and rear ends.

The copying surface 20 is provided with an elastic member 25, for example, a spring, so as to come into contact with the upper surface of the wooden piece 6 and to be movable in the direction perpendicular to the conveying surface 2.

As shown in FIG. 3, for example, the vertical movement transmitting member 15 is connected to a holding member 31 for holding a writing instrument 30 (for example, a ballpoint pen) via a joint 27 (for example, a bolt) so as to be vertically movable. Then, the joint 27 (for example, a bolt) causes the vertical motion transmission member 16 to swing as shown in FIG.

The holding member 31 includes, for example, a writing tool base 311 for supporting the writing tool 30, a tip side positioning member 312 provided on the tip side of the writing tool 30, and a pin provided with a spring provided on the rear end side of the writing tool 30. 313 and the writing instrument 30 has a pin 31
It moves up and down by the spring embedded in 3.

Also, the pin 313 is externally threaded,
The tip of the writing instrument 30 is projected from the lower surface of the copying surface 20 by screwing it into a screw that is cut by the writing instrument base 311 and adjusting its position, thereby determining the writing pressure.

When the writing instrument 30 moves up and down, the writing instrument 30
In order to prevent the detachment member 314 from being separated from the base, detachment members 314 and 314 (for example, bolts having a spring therein) are provided on the side close to the tip side positioning member 312, and the tip of the detachment member 314 and the detachment member 314
The writing instrument 30 is positioned between the tip of the writing instrument and the tip of the writing instrument.

Elastic members supporting members 41, 41 for supporting the elastic members 40, 40 (for example, springs) are attached to the holding member 31 at portions located on both sides of the writing instrument 30.
The elastic member support members 41, 41 are provided with recesses 42, 42 for accommodating one ends of the elastic members 40, 40, and the other ends of the elastic members 40, 40 are provided in the vertical movement transmission members 15, 15. Recess 15 ', 1
It is stored in 5 '.

By the elastic members 40, 40 (for example, springs), the writing instrument 20 is held at a predetermined position (for example, the standing state shown in FIG. 9A), and the tip of the writing instrument 20 abuts on the wood 6 so that the writing instrument 20 can be held. Even if the writing instrument 20 is inclined, if the tip of the writing instrument 20 is separated from the wood 6, the writing instrument 20 returns to the predetermined position by the action of the elastic members 40, 40 (for example, a spring).

Therefore, when the moving body 3 is lowered together with the lifting platforms 8 and 8 by the lifting means (not shown) and the detection roller 50 or the detection roller 51 contacts the upper surface of the wood 6, the lifting means (not shown) is stopped. .

With the lifting means stopped, FIG. 9 (A)
As shown in, the moving body 3 descends so that the lower surface of the copying surface 20 is on the side of the wood 6 placed on the transport surface 2 and lower than the upper surface of the wood 6.

Then, as shown in FIG. 10 (A), the moving body 3 is moved in the horizontal direction by the horizontal moving means to move the moving surface.
20 is brought into contact with the upper surface of the wood 6 and moved up and down along the shape of the upper surface (for example, in the figure, it moves vertically by t). This movement is performed via the vertical movement transmission member 15 and the holding member 31. The tip of the writing instrument 30 is transmitted and raised by, for example, t from FIG. 9B to FIG.
The tip of the writing instrument 30 is brought into contact with the upper surface of the wood 6 and blackened.

As a result, the writing pressure of the writing instrument 30 can be kept substantially constant, uniform blacking can be performed, and abrasion or damage of the tip of the writing instrument 30 can be prevented.

After that, the contact state between the tip of the writing instrument 30 and the upper surface of the wood 6 is released, and the tip of the writing instrument 30 is moved in the direction opposite to the horizontal direction by the horizontal moving means, so that the tip of the writing instrument 30 is marked on the line. To retreat and redact.

After blackening, it is necessary to return to the original position again and wait, but since the process of returning to the original position is used to redact the line on which it has been redacted, it does not take time. It can be surely redacted.

Note that, when writing on the wood 6, the writing instrument 30 is held by the holding member 31 so as to be swingable.
As shown in FIG. 7, the writing instrument 30 is inclined so as to recede with respect to the traveling direction, and the tip of the writing instrument 30 and the upper surface of the wood 6 are brought into contact with each other to be blackened, and the tip of the writing instrument 30 has reduced resistance. It is possible to prevent the tip of the writing instrument 30 from being worn or damaged.

[0034]

EFFECTS OF THE INVENTION The woodworking black-inking machine of the present invention is a woodworking black-inking machine for black-printing on the upper surface of wood placed on a conveying surface. A movable body that is movable, a copying surface that is in contact with the upper surface of the wooden piece and that is movable in the direction perpendicular to the transportation surface, and is connected to this copying surface and is loosely fitted to the moving body. A vertical movement transmitting member that is movable in the vertical direction with respect to the vertical movement transmitting member, a stopper portion provided on the vertical movement transmitting member to prevent downward movement, and a vertical movement transmitting member that is connected to the vertical movement transmitting member and moves the writing instrument up and down. A holding member that holds freely is provided, and since the tip of the writing instrument held by the holding member is projected from the lower surface of the copying surface, if the copying surface is brought into contact with the upper surface of the wood, the copying surface is made of wood. Vertical movement follows the shape, and the vertical movement transmission member The tip of the writing instrument held by the holding member also moves up and down, the writing pressure of the writing instrument can be kept substantially constant, uniform marking can be performed, and abrasion or damage of the writing instrument tip can be prevented. can do.

The method for blackening wood according to the present invention is the method for blackening wood on the upper surface of wood placed on a carrying surface, wherein the wood is movable in the horizontal and vertical directions with respect to the carrying surface. A movable body, a copying surface that comes into contact with the upper surface of the wooden piece and is movable in the direction perpendicular to the transport surface, and is connected to this copying surface and is loosely fitted to the moving body, with respect to the transport surface. And a vertical movement transmitting member movable vertically, a stopper portion provided on the vertical movement transmitting member to prevent downward movement, and a vertical movement transmitting member connected to the vertical movement transmitting member and capable of vertically moving a writing instrument. A holding member for holding is provided,
The tip of the writing instrument held by the holding member is projected from the lower surface of the copying surface, and first, the copying surface is brought into contact with the upper surface of the wood to move up and down along the upper surface shape, and this movement is The writing pressure of the writing instrument is substantially constant because the tip of the writing instrument is followed by being transmitted through the vertical movement transmission member and the holding member, and then the tip of the writing instrument is brought into contact with the upper surface of the wood to be blackened. Therefore, it is possible to keep uniform marking, and to prevent abrasion or damage of the tip of the writing instrument.

The method for blackening wood according to the present invention is the method for blackening wood on the upper surface of wood placed on a carrying surface, wherein the wood is movable in the horizontal and vertical directions with respect to the carrying surface. A movable body, an elevating means for vertically moving the movable body, a horizontal moving means for horizontally moving the movable body, and a vertical direction with respect to the transport surface by abutting on the upper surface of the wood. A free copying surface, a vertical movement transmitting member which is connected to the copying surface and which is loosely fitted to the moving body and is movable in a direction perpendicular to the conveying surface, and a vertical movement transmitting member provided on the vertical movement transmitting member. And a holding member that is connected to the vertical movement transmission member and that holds the writing instrument so that the writing instrument can move up and down, and the tip of the writing instrument protrudes from the lower surface of the copying surface by a certain amount. , By the lifting means Lower the movable body so that the lower surface of the movable surface is on the side of the wooden piece placed on the conveying path and lower than the upper surface of the wooden piece, and then horizontally moves the movable body by the horizontal moving means. In the direction, the copying surface is brought into contact with the upper surface of the wood to move up and down along the shape of the upper surface, and this movement is transmitted through the vertical movement transmitting member and the holding member to cause the writing instrument to move. Follow the tip, and then contact the tip of the writing instrument with the top surface of the wood to blacken it, and then remove the contact state between the tip of the writing instrument and the top surface of the wood, and further move horizontally. By moving it in the direction opposite to the horizontal direction by means to retract the tip of the writing instrument back on the line where the marking is made and redact it again, the writing pressure of the writing instrument can be kept substantially constant, and uniform marking Together with It is possible to prevent damage to the tip of the writing instrument, and it is necessary to return to the original position and wait again after blackening, but using the process of returning to the original position, Since it is redacted again, it is possible to surely redact it in no time.

Further, in the method for blackening wood according to claim 4, in addition to the effect of claim 3 described above, since the writing instrument is swingably held by the holding member, the writing instrument moves in the traveling direction. The tip of the writing instrument is brought into contact with the upper surface of the wood by inclining so as to retreat, and the tip of the writing instrument reduces resistance to prevent abrasion or damage of the tip of the writing instrument.

[Brief description of drawings]

FIG. 1 is a front view with a schematic partial cross section of a black-and-white machine for woodworking showing an embodiment of the present invention.

FIG. 2 is a schematic side view of a black-and-white machine for woodworking in FIG.

FIG. 3 is a diagram illustrating an intermediate step of the redaction of the woodworking machine for woodworking in FIG. 2;

FIG. 4 is a view for explaining the final process of sanitizing by the sanitizing machine for woodworking in FIG. 2, in which the rear end side of the wood is located.

5 is an explanatory view for explaining a horizontal movement of a moving body of the wood marking machine for woodworking in FIG. 1;

FIG. 6 is an explanatory diagram illustrating a forward movement state of a moving body of the black-printing machine for woodworking in FIG. 5;

FIG. 7 is an explanatory diagram for explaining a moving state of the moving body in the returning path of the black-printing machine for woodworking in FIG. 6;

FIG. 8 is an explanatory diagram illustrating a swinging state of the holding body illustrated in FIGS. 6 and 7.

9A and 9B are explanatory views for explaining a state before the copying surface comes into contact with the wood, where FIG. 9A is a front view and FIG.
It is a schematic sectional drawing of (A).

FIG. 10 is an explanatory view illustrating a state where the copying surface is in contact with the wood, (A) is a front view, and (B) is
It is a schematic sectional drawing of (A).

FIG. 11 is an explanatory diagram for explaining a relationship among a moving body, a vertical movement transmission member, and a holding member.

FIG. 12 is a view for explaining the joint shown in FIG.
It is sectional drawing.

[Explanation of symbols]

 1 Woodworking machine 2 Conveying surface 3 Moving body 6 Wood 15 Vertical movement transmitting member 15 'Stopper section 20 Copying surface 30 Writing instrument 31 Holding member

Claims (4)

[Claims] 1. A wood marking machine for blackening the upper surface of wood placed on a carrying surface, wherein the moving body is movable in horizontal and vertical directions with respect to the carrying surface, and the upper surface of the wood. A copying surface that is in contact with the moving surface and is movable in the vertical direction with respect to the conveying surface; and a vertical movement that is connected to the copying surface and that is loosely fitted to the moving body and is movable in the vertical direction with respect to the conveying surface. A transmission member, a stopper portion that is provided on the vertical movement transmission member and that blocks downward movement, and a holding member that is connected to the vertical movement transmission member and that holds the writing instrument in a vertically movable manner, A wood-marking machine for woodworking, characterized in that the tip of the writing instrument held by the holding member is projected from the lower surface of the copying surface. 2. A method for blackening wood which is placed on an upper surface of wood placed on a carrying surface, comprising: a movable body movable in a horizontal direction and a vertical direction with respect to the carrying surface; and an upper surface of the wood. A copying surface that is in contact with the moving surface and is movable in the vertical direction with respect to the conveying surface; and a vertical movement that is connected to the copying surface and that is loosely fitted to the moving body and is movable in the vertical direction with respect to the conveying surface. A transmission member, a stopper portion that is provided on the vertical movement transmission member and that blocks downward movement, and a holding member that is connected to the vertical movement transmission member and that holds the writing instrument in a vertically movable manner, The tip of the writing instrument held by the holding member is projected from the lower surface of the copying surface, and first, the copying surface is brought into contact with the upper surface of the wood to move up and down along the shape of the upper surface. Through the vertical movement transmission member and the holding member How is transmitted to follow the tip of the writing instruments, then, the tip of the writing instrument is brought into contact with the upper surface of the timber to put ink on the timber, characterized in that the attached ink by Te. 3. A method for blackening wood which is placed on the upper surface of wood placed on a carrying surface, comprising: a moving body that is movable in horizontal and vertical directions with respect to the carrying surface; An elevating means for vertically elevating, a horizontal moving means for horizontally moving the moving body, a copying surface which is in contact with the upper surface of the wood and is movable in the vertical direction with respect to the transport surface, and this copying surface. A vertical movement transmitting member that is connected to the movable body and is loosely fitted to the moving body and is movable in a direction perpendicular to the conveying surface; and a stopper portion that is provided on the vertical movement transmitting member and prevents downward movement. A holding member that is connected to the vertical movement transmitting member and that holds the writing instrument so that the writing instrument can move up and down. The tip of the writing instrument is projected from the lower surface of the copying surface by a certain amount, and the lifting surface is used to move the copying surface. The lower surface of the transport path The moving body is lowered so as to be at a position lower than the upper surface of the wooden piece placed on the side of the placed wooden piece, and thereafter, the moving body is moved in the horizontal direction by the horizontal moving means to obtain the copying surface. Is brought into contact with the upper surface of the wood and moved up and down along the shape of the upper surface, and this movement is transmitted through the vertical movement transmission member and the holding member to follow the tip of the writing instrument, and then the writing instrument. The tip of the wood is contacted with the upper surface of the wood to be blackened, and then the contact state between the tip of the writing instrument and the upper surface of the wood is released, and further in the direction opposite to the horizontal direction by the horizontal moving means. Move it,
A method of marking on wood, wherein the tip of the writing instrument is set back on the line where the marking has been made, and the marking is made again. 4. A method for blackening wood which is placed on the upper surface of wood placed on a carrying surface, the moving body being movable in the horizontal and vertical directions with respect to the carrying surface, and the moving body. An elevating means for vertically elevating, a horizontal moving means for horizontally moving the moving body, a copying surface which is in contact with the upper surface of the wood and is movable in the vertical direction with respect to the transport surface, and this copying surface. A vertical movement transmitting member that is connected to the movable body and is loosely fitted to the moving body, and is movable in the direction perpendicular to the conveying surface; and a stopper portion that is provided on the vertical movement transmitting member and prevents downward movement. A holding member that is connected to the vertical movement transmitting member and that holds the writing instrument in a vertically movable and swingable manner, and causes the tip of the writing instrument to protrude from the lower surface of the copying surface by a certain amount. , The copying by the elevating means Lower the moving body so that the lower surface is lateral to the wood placed on the conveying path and lower than the upper surface of the wood, and then move the moving body horizontally by the horizontal moving means. By moving it, the copying surface is brought into contact with the upper surface of the wood and moved up and down along the shape of the upper surface, and this movement is transmitted through the vertical movement transmission member and the holding member to move the tip of the writing instrument. Then, the tip of the writing instrument is brought into contact with the upper surface of the wood, and the tip of the writing instrument is tilted so as to recede with respect to the traveling direction and the tip of the writing instrument is brought into contact with the upper surface of the wood. And then discontinue the contact between the tip of the writing instrument and the upper surface of the wood, and further move the tip in a direction opposite to the horizontal direction by the horizontal moving means to move the tip of the writing instrument in the traveling direction. To retreat against A method for redacting wood, characterized by inclining to the back and retreating on the line that has been redacted and rediting again.