JPH0999411A - Timber feeder for wood working machine and method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for feeding timber for a wood working machine which can dispose it at a desired lumbering position, i.e., center it without operator on a carriage which travels to or retracts from the machine to be continuously supplied with the timbers. SOLUTION: The timber feeder for a wood working machine comprises a conveying means 2 provided near a carriage 1 which travels or retracts on a transfer route (s) to supply timber (w) to its one side, a body frame 3 vertically movably provided at the route (s), a holder 4 laterally movably provided at the frame 3 via the carriage 1, a pair of front and rear supports 5 provided openably in the longitudinal direction at the holder 4 via the carriage 1, a pair of timber support members 6 tiltably provided at the support 5, and a pair of rotatable front and rear cant hook means 6 engaged movably with the pair of the holders 4 via the carriage 1 in the longitudinal direction.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention is used in the lumber industry and the like.
The present invention relates to a lumber feeding device and method capable of performing a desired lumber position, that is, centering, on a lumber feeding vehicle that feeds continuously supplied lumber to a lumber saw.

[0002]

2. Description of the Related Art Conventionally, when felled lumber is sawn into a lumber or a plate according to its shape such as thickness, length and bending, the lumber is cut into the lumber before being inserted into the lumbering machine. At the side of the transportation path, the operator manually or mechanically turns the timber around the timber so that the operator can touch the timber and visually determine the bending and the bedding to obtain the best yield and obtain the product. Then, the desired lumber position, that is, centering, was performed on the lumber machine.

However, since this work is carried out at the side of the transfer path to the sawmill, even if accurate positioning is performed at this location, there is a positional deviation when actually moved and placed on the material feeding vehicle. It is easy to raise and the desired lumber position cannot be obtained.

Further, it is difficult to change the position of the work after the transfer to the material feeding vehicle due to the weight and large shape of the wood.

Further, since the manual centering operation is performed in the vicinity of the lumbering position, the lumber may move during the operation and pose a danger to the operator. There were various problems such as.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and is provided with a carry-in means for supplying wood to one side of a material feeding vehicle which moves forward and backward along a transfer path. A main body frame that can be raised and lowered in this transfer path, a holding body that is provided in the main body frame so as to be movable in the lateral direction by sandwiching a feeding vehicle, and a front and rear direction in which the feeding vehicle is sandwiched by the holding body. A pair of front and rear supports provided so as to be openable and closable, a pair of wood receiving members provided so as to be able to rise and fall on these supports, and a pair of holding bodies are movably engaged in the front and rear direction while sandwiching the feeding vehicle. By providing a pair of rotatable front and rear wood turning means, unmanned, accurate lumber position, that is, centering, can be performed unmanned on a feeding vehicle that moves wood continuously supplied to and from the lumber machine. A method of feeding materials for sawmills that can perform It is intended to be subjected.

[0007]

The means of the present invention for achieving the above-mentioned object is in a pre-process for causing a lumber machine to move the longitudinal axis of the wood substantially horizontally in its transfer path for lumbering. And a feeding vehicle that is provided in the transfer path and is capable of grasping the wood in the long axis direction and moving back and forth with respect to the sawmill, and a timber that is provided near the transfer path on one side of the timber A carrying-in means for supplying to the above, a main body frame provided on the transfer path and capable of being raised and lowered by an elevating means, and a pair of front and rear sides provided in the main body frame across the feeding vehicle and in the longitudinal direction of the wood. A holding body that is movably engaged with a horizontal guide of the main body frame laterally with respect to the long axis direction of the wood by means of moving means, and the holding body is sandwiched between these holding bodies, and the holding body is provided before and after the holding body. And engaged with the lateral guides by means of opening / closing means so as to be freely opened and closed. A pair of rear support members, a pair of wood receiving members that are rotatably supported by undulating means by pivotally attaching the bases to the front and rear support members, and the front and rear of the pair of holding members with the feeding vehicle interposed therebetween. And a pair of front and rear wood turning means which are respectively provided on the front and rear guides so as to be movably engaged with the advancing / retreating guides by individual operating means and rotatable by the driving means.

[0008] Further, there is provided a wood returning means provided on one side in the vicinity of the transfer path for performing wood returning.

Then, in the pre-process of transporting the lumber to the lumber machine along its long axis in a substantially horizontal direction in the transport path to lumber the lumber, the lumber to be processed is grasped in the long axis direction to the lumber. The step of supplying the wood to the upper position of the feeding car that can move back and forth, and the lower side of the supplied wood is supported by a pair of front and rear wood rotation means, and the wood is rotated by the wood rotation means, and , A step of moving the wood supported by the tree turning means laterally at the end opening side or the main opening side with respect to the longitudinal direction of the wood and selecting the cutting position, and placing the wood on the material feeding vehicle. After placing, holding the front and back and feeding to the sawmill, after sawing one or two sides of the wood,
A step of reversing 90 ° by a wood-returning means at an upper position of the material-feeding vehicle and laterally moving the end opening side or the main opening side with respect to the long axis direction to select a cutting position, and this wood is described above. A method for feeding a sawmill, comprising the steps of placing the saw on a saw truck, gripping the front and back of the saw, and sending the sawto the sawmill.

[0010]

As described above, the present invention has the following effects.

A large number of pieces of wood are prepared in advance so that the wood is transferred to the lumber machine in the transfer path substantially horizontally in the longitudinal direction of the wood.

Therefore, in the state in which the material feeding vehicle is retracted in the transfer path, the main body frame is raised and the pair of wooden turning means are associated with the material feeding vehicle.

[0013] By the carrying-in means, the wood is located above the material-feeding vehicle,
That is, the lumber is supplied onto a pair of lumbering means, and the lumbering means rotates the lumber to perform a desired lumber position, that is, centering.

After this centering, the body frame is lowered and the tree turning means is lowered. Along with this, the wood is placed on the material feeding vehicle, and its long axis direction is gripped and fixed by the material feeding vehicle. The feeding vehicle advances to the sawmill and is cut into pieces.

After cutting, the material feeding vehicle holding the wood returns to its original position again, and opens at a predetermined interval, and
With the standing wood receiving member corresponding to the front and back of the wood on the material feeding vehicle, the wood turning means is operated to reverse the wood by 90 °.

Then, the raised wood receiving member is made to correspond to both sides of the inverted wood, and is clamped by this, and after the desired lumber position, that is, centering is performed again, the frame main body is lowered to feed the lumber. A piece of wood is placed on the vehicle, and the long axis direction is gripped to fix the wood to the material feeding vehicle.

The material feeding vehicle advances to a lumbering machine and is cut into pieces in a predetermined manner. Log timber is cut from lumber.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the material feeding apparatus and method for a sawmill according to the present invention will be described below with reference to the drawings.

In FIGS. 1 to 4, A is a lumber feeder for a lumbering machine used in the method of the embodiment of the present invention. It is provided in the pre-process of transferring it to a substantially horizontal position for lumbering.
A material feeding vehicle 1, a carrying-in means 2, a main body frame 3, a holding body 4,
Basically, it comprises a support 5, a wood receiving member 6, a tree turning means 7 and a tree turning means 8.

The above-described material feeding vehicle 1 is provided in the transfer path s and holds the wood w in the long axis direction so that it can move back and forth with respect to the sawmill b. As shown in FIG. A wood w is placed on a chemical-laboratory-shaped platform 10, and the wood w is sandwiched between one movable chuck 9a such as a fixed cylinder or a movable chuck 9b such as a cylinder, and the sawmill b.
It is fed to a blade member c such as a circular saw, and is run on a track 12 attached to the machine body 11 by running means (not shown).

The above-mentioned carrying-in means 2 is provided on one side in the vicinity of the transfer path s and supplies the wood w to the material feeding vehicle 1 one by one, and is provided with a plurality of feed claws suspended on the machine body 11. Use the chain conveyor of.

At the end of the conveyor 13, the wood w that has been sent is once received and its posture is corrected.
In addition, the feeding member 14 that stably feeds to the transfer path s is provided, and the supporting member of the supporting piece is supported by the operating member 16 such as a fluid cylinder that operates by the signal of the detection member 15 detected by the passage of the wood w. The standing state and the tilted state are performed.

The main frame 3 is provided on the lower side of the material feeding vehicle 1 in the transfer path s so as to be movable up and down with respect to the machine body 11 by the elevating means 17, and by this elevating motion, a wood receiving member to be described later is provided. 6 and the tree turning means 7 are adapted to be retractable from the surface of the mounting table 10 of the material feeding vehicle 1.

The elevating means 17 has one end thereof connected to a support shaft 18 provided on the machine body 11 through a bell crank 19 at the lower side of the main body frame 3 to form a bell crank 19.
The other end is operated by an elevating member 20 such as a fluid cylinder.

The above-mentioned holding bodies 4 straddle the material feeding car 1 in the main body frame 3 and a pair is provided before and after the wood w in the longitudinal direction of the wood w to guide the wood w to the horizontal guide 21 of the main body frame 3. 5, which are movably engaged laterally with respect to the long axis direction of each of them by moving means 22 such as a fluid cylinder.
As shown in (a), the end opening side w1 and the front opening side w2 of the wood w
And can be arbitrarily moved in the direction of arrow p in FIG.

The support 5 described above is fed to the holding body 4 by the feeding vehicle 1
A pair of front and rear portions are provided with the opening and closing means sandwiched therebetween, and the lateral guides 23 attached to the holding body 4 are openably and closably engaged by the opening and closing means 24. The supporting members 5 and 5 are connected to the lever 26 attached to the rotary shaft 25 that is hung over the support shaft 4 via links 27, 28, and 29, respectively.
Opening and closing movements are performed by operating 6 with a rotating member 30 such as a fluid cylinder.

The above-mentioned wood receiving member 6 has bases pivotally attached to the above-mentioned pair of front and rear supports 5 and 5, respectively, and can be raised and lowered by the raising and lowering means 31 such as a fluid cylinder. When w is supported or when the wood w is supplied from one side by the feeding member 14 of the conveying means 2, the wood w is received so as not to roll or drop to the other.

The tree turning means 7 is provided on the front and rear sides of the feeding vehicle 1 with a pair of holding bodies 4 which straddle the front and rear sides, respectively, and can be moved to the advancing and retracting guide 32 by individual operating means 33, 33. Is engaged with the driving means 3 such as a motor.
4, the rotation or transfer unit is made movable, and a conventional chain conveyor is used.

As shown in FIG. 5 (b), the tree turning means 7 has its corresponding tip end abutting against the lower side of the wood w to support the wood w, and operates the drive member 34. As a result, a worker who is arbitrarily rotated in the direction shown by the arrow q in the figure and the cutting position with respect to the blade member c in the sawmill b is visually checked by an operator who is located on the extension line in the long axis direction. A tree is appropriately turned by remote control of the means 7.

The above-mentioned wood return means 8 is attached to the machine body 11 on one side in the vicinity of the transfer path s, and, for example, as shown in FIG. It is a so-called wood reversal that is tilted to a horizontal state, and a protrusion 36 is attached to the tip of a protrusion member 35 such as a fluid cylinder attached upward to the machine body 11 with a predetermined inclination, and the lower part of the wood w is pierced. Then, as shown by the dotted line in FIG.

In FIG. 2 and FIG. 3, 40 is a cradle that supports the lower side of the wood w supplied on the material feeding vehicle 1, and the material feeding vehicle 1 is sandwiched between the machine body 11 and a pair of front and rear portions. Are attached to the transfer path in a plurality of spaces at intervals, and can be freely retracted and retracted onto the platform 10 of the material feeding vehicle 1 by a retracting member 41 such as a fluid cylinder.

Therefore, in the apparatus A according to the embodiment of the present invention configured as described above, first, the lumber w to be lumbered is first fed to the lumber b in the transfer path s in the longitudinal direction of the lumber w. A large number of books are prepared with their orientations aligned so that they can be transferred substantially horizontally.

Then, in a state in which the material feeding vehicle 1 is retracted in the transfer path s (it may be retracted after the taper set described later is completed), the pedestal 40 is retracted.
Then, the feeding frame 1 is fed out onto the platform 10 and the elevating means 17 is operated to raise the main body frame 3 so that the pair of wood turning means 7, 7 are associated with the feeding car 1.

A large number of waiting wood w are fed out one by one by the carry-in means 2, and when reaching the end portion thereof, they come into contact with the undulating feeding member 14 to stop the movement thereof and correct the posture of the wood. To be done.

Further, with the wood receiving member 6 on the rear side standing upright across the transfer path s, the detection member 15 is activated by the transfer of the wood w by the carry-in means 2 and the feeding member 14 falls. While being received by the wood receiving member 6, it is supplied to the correct position on the receiving table 40 on the material feeding vehicle 1.

Then, the pedestal 40 is lowered by the retracting member 41 and is placed on the pair of tree turning means 7, 7 as shown in FIG. 7A, and as shown in FIG. To
An operator visually observes the wood w on the monitoring stand 42 provided on the front side of the machine body 11, and the wood is rotated by the tree turning means 7 and 7 by a remote operation by the operation of the control panel 43 to obtain a desired lumber position. That is, while performing centering,
The holders 4 and 4 are laterally moved by moving means 22 and 22 provided in front and rear of the machine body 11 to perform taper setting as shown in FIG.

After this centering, as shown in FIGS. 7 (b) and 7 (c), the main body frame 3 is lowered and the tree turning means 7 and 7 are lowered. It is mounted on the platform 10 and its longitudinal axis direction is gripped and fixed to the material feeding vehicle 1 by the chucks 9a and 9b.

In this state, if the feeding vehicle 1 is moved forward and is fed to the circular saw c of the saw mill b with a twin saw, for example,
Both sides of the wood w are cut off and, as shown in FIG. 7D, cut into a drum shape.

After this cutting, the material feeding vehicle 1 holding the wood w returns to its original position again, and the pedestal 40 is raised by the retracting member 41, as shown in FIG. 7 (d). The wood receiving members 6, which are opened at a predetermined interval and are erected.
In a state where 6 is made to correspond to the front and rear of the wood w on the material feeding vehicle 1, the chucks 9a and 9b are released, and the wood return means 8 provided on the machine body 11 is operated to reverse the wood w by 90 °.

Then, as shown in FIG. 7 (e), the standing wood receiving members 6 and 6 are made to correspond to both sides of the inverted wood w, and are thereby sandwiched, and again as shown in FIG.
After the operator of the monitoring stand 42 visually operates each means to perform a desired lumber position, that is, centering and taper setting, as shown in FIG. 7F, the elevating means 17 lowers the frame body 3. Then, the wood w is placed on the platform 10 of the material feeding vehicle 1 and is gripped in the long axis direction by the chucks 9a and 9b to fix the wood w to the material feeding vehicle 1.

This feeding vehicle 1 advances to a sawing machine b, and its circular saw c cuts both sides thereof as shown in FIG. 7 (f), so that timbers are cut from log timber w. .

During the processing of the timber, the carrying-in means 2 and the tree-turning means 7 have been operated to prepare for the supply of the next wood w to the material-feeding vehicle 1. The lumber position, the centering, and the taper setting to be performed are performed in parallel with the lumber by the lumber machine b. It is a piece of wood that is ready to enter the bottom of the wood w, and the timber of the next wood w can be immediately cut after fixing the chucks 9a and 9b, so the waiting time for lumber is reduced as much as possible. Therefore, high efficiency sawing work can be performed.

[0043]

As described above, according to the present invention, the desired lumber position, centering, and taper set of wood can all be performed on the material-feeding vehicle on which the timber is mounted and moved forward and backward. The same lumber can be accurately and surely obtained, and a high-precision and high-quality lumber product can be obtained.

Further, in the mechanical centering, since there is no worker in the vicinity of the lumbering position, there is no danger to the worker even if the delusion of the wood occurs during the work, and the safety is greatly improved. It will be improved. And so on.

[Brief description of drawings]

FIG. 1 is a front view showing a lumber feeding device for use in a method according to an embodiment of the present invention.

2 is a plan view schematically showing the device in FIG. 1. FIG.

FIG. 3 is a side view schematically showing the device in FIG. 1.

FIG. 4 is an enlarged front view showing a bearing portion of the wood in FIG. 1.

FIG. 5 is an explanatory view of a state in which a taper set is performed in the apparatus shown in the figure.

FIG. 6 is a front view of a main part showing a tree turning means in FIG.

FIG. 7 is an explanatory view showing a material feeding method for each step in the apparatus in FIG.

[Explanation of symbols]

 b Lumbering machine s Transport path w Wood 1 Feeding vehicle 2 Carrying-in means 3 Main body frame 4 Holding body 5 Support body 6 Wood receiving member 7 Wood turning means 8 Wood returning means 17 Elevating means 22 Moving means 31 Raising and lowering means 33 Operating means 34 Drive means

Claims (3)

[Claims] 1. In a pre-process for transporting lumber to a lumbering machine in its transport path in a substantially horizontal direction in the long axis direction for lumbering, the lumber is provided in the transporting path to grip the lumber in the long axis direction. A feeding vehicle that can move back and forth with respect to the machine, a loading means that is provided on one side of the transportation path in the vicinity thereof and that supplies wood onto the transportation vehicle, and a lifting means that is provided on the transportation path and moves up and down. A free-standing main body frame, and a pair of front and rear bodies that straddle the material feeding car in the main body frame and are arranged in front and behind in the long axis direction of the wood, and are lateral to the horizontal guide of the main body frame in the long axis direction of the wood. And a pair of front and rear supports that are movably engaged with each other by moving means and that are provided in front of and behind each of the holding vehicles with the feeding vehicle interposed therebetween and that are laterally engaged with the lateral guides by the opening / closing means. The base is pivotally attached to the body and the pair of front and rear supports. Then, a pair of wood receiving members that can be undulated by the undulating means, and the front and rear of the pair of holding bodies sandwiching the material feeding vehicle, respectively, and movably engaged with the advancing and retracting guide by individual operating means, A lumber feeding device for a sawmill, comprising a pair of front and rear wooden rotating means rotatable by a driving means. 2. A lumber sawing machine provided in the transfer path in the longitudinal direction of a lumber machine, in which the lumber is transported in a substantially horizontal direction in a longitudinal direction of the lumber to be lumbered. A feeding vehicle that can move back and forth with respect to the machine, a loading means that is provided on one side of the transportation path in the vicinity thereof and that supplies wood onto the transportation vehicle, and a lifting means that is provided on the transportation path and moves up and down. A free-standing main body frame, and a pair of front and rear bodies that straddle the material feeding car in the main body frame and are arranged in front of and behind the long axis direction of the wood, and are lateral to the horizontal guide of the main body frame in the long axis direction of the wood. And a pair of front and rear supports that are movably engaged with each other by moving means and that are provided in front of and behind each of the holding vehicles with the feeding vehicle interposed therebetween and that are laterally engaged with the lateral guides by the opening / closing means. The base is pivotally attached to the body and the pair of front and rear supports. Then, a pair of wood receiving members that can be undulated by the undulating means, and the front and rear of the pair of holding bodies sandwiching the material feeding vehicle, respectively, and movably engaged with the advancing and retracting guide by individual operating means, A lumber feeding machine for lumber, characterized by comprising: a pair of front and rear wood turning means rotatable by a driving means, and a wood turning means provided near one side of the transfer path for turning wood. apparatus. 3. In a pre-process for transporting lumber to a lumbering machine in a longitudinal direction of the lumber in a substantially horizontal direction to lumber the lumber, the lumber to be processed is grasped in the longitudinal direction to the lumbering machine. A step of supplying the wood to the upper position of the feeding car that can be freely advanced and retracted, and the lower side of the supplied wood is supported by a pair of front and rear wood rotation means, and the wood is rotated by the wood rotation means,
And, a step of moving the wood supported by the tree turning means laterally at the end opening side or the main opening side with respect to the longitudinal direction of the wood and selecting the cutting position; Placing it on, holding the front and back of it, and feeding it to the sawmill,
After sawing one or two sides of the wood, it is turned 90 ° by the wood turning means in the upper position of the feeding vehicle to move the end opening side or the front opening side to the side with respect to the long axis direction. A lumber feeding method for a lumber mill, comprising: a step of selecting a cutting position; and a step of placing the lumber on the lumber truck, gripping the front and rear of the lumber, and feeding the lumber to the lumber mill.