JP2008265199A - Log feeding apparatus and method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a log feeding apparatus which ensures stable feeding of logs mounted on a chain with a centered state without rotation, prevents an unprocessed surface from being left in the corners of square bars and allows the logs to be fed through a chain conveying mechanism with the alignment of essential cores retained, and a log feeding method. <P>SOLUTION: The apparatus and method for log feeding comprise gripping both ends of a log W with gripping devices, arranging, along the log, measuring mechanisms 8 measuring contours of the vicinity of the base part and the vicinity of the end part and those of at least three parts between the base and end parts so as to measure at least three contours of the log W and displaying the contours of the log with a displaying means in the form of a superimposed projection, determining the maximum-angle rectangle from which none of the projected contours protrude, by adjusting the positions of the gripping devices 6 and 7 arranged at both ends and being gripping the log, cutting at least two parts of one side surface of the log in this state at a specified interval in the longitudinal direction to form flat surfaces, and laying the log on the chain of the chain conveying mechanism. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a raw wood feeding device and method for processing a raw wood (log) into a square, a beam or a plate, and in particular, when a square or a beam is taken out from a raw wood, the corner of the square is unprocessed. The raw wood that can be fed while maintaining the centered state so that the so-called field weights (some unprocessed parts) remain and the maximum square and beam materials can be removed from the raw wood The present invention relates to a material device and a method thereof.

  As a specific method for determining the wood-cutting center when taking out a square bar or a beam from a log (log), for example, one end (original port) and the other end (end port) are connected to a chucking unit (gripping means or Gripping with the gripping device), rotating the chucking unit by placing multiple peripheral shape (contour line) measuring devices between the main and end ports, and the cross-sectional shape of the log (log) The shape around the circumference of the right-angled surface, that is, the contour line) is measured. In this case, the log is rotated while being held by the chucking unit while rotating the center line of the chucking unit about 360 degrees, and the cross-sectional shape (contour line) at the measurement point is viewed from the axial direction. The inscribed circle of the square member having the maximum effective cross section is determined while being displayed in an overlapping manner, and the radial direction of the log is determined according to the deviation between the center position of the inscribed circle and the center position of the chucking unit rotation axis A method is known in which the positions are corrected and matched, and the raw wood is conveyed as a reference position for the tree cutting operation while maintaining the corrected setup state. For example, measure by overlapping at least three circles seen from the axial direction of the main mouth side, and superimpose these three circles to determine the center of wood that is most difficult to get out of the field when taking out the timber. The chucking unit at the end is moved a little in the X direction, Y direction or rotation direction, put on the chain of the chain transport mechanism in the most efficient state and fed, and the raw wood W is processed with a band saw (Patent Document 1).

  In addition, when taking out timber from the raw wood with a bend, it is premised on the appearance of a field, and by simplifying the measurement of the outer diameter of the timber, a new smashing method for efficiently slicing product materials such as timber and this In order to provide a sawing apparatus to be used, it is assumed that the four corners of the product material A1 are not necessarily formed into a square shape, and the size of the product material A1 to be ground first, that is, the square size, is assumed to be accepted. Is determined almost uniquely by the end diameter of the small diameter end of the log AO. On the other hand, when grasping the outer diameter of the log AO, a state in which the arrow height of the log AO protrudes upward is used as a reference position. Of the four corners when the product material A1 is ground from the state, at least a plurality of outer diameter points of the raw wood AO corresponding to both lower corners are measured discontinuously, and the outer shape of the raw wood is estimated.挽出 method and apparatus wood to symptoms has been proposed (Patent Document 2).

  Furthermore, as a log cutting and conveying device that has been improved so that the log can be conveyed and cut while being held in a stable state, and the repair cost is reduced, a vertical type that is moving the log horizontally in the longitudinal direction In the raw wood conveying cutting device for cutting with a saw blade, the endless lower roller chain that supports the raw wood and holds the raw wood with the continuous receiving teeth and meshes with the lower roller chain. A log transport cutting device is constructed from a lower sprocket wheel that transmits driving force to the lever, and the lower sprocket wheel has a structure in which a separable wheel body is fixed to a fixed platen (patent) Reference 3).

JP-A-6-039803 JP 2001-105403 A JP 2002-370204 A

  Normally, when grinding with a band saw to take out the square and beam from the raw wood, measure the outlines of the raw wood at multiple locations as described above, and display it from one side in the axial direction so that the maximum square can be taken “Center”. That is, as shown in FIG. 12 as seen from the axial direction of the log (log), the log W of the chain 25 of the chain feeding mechanism which is a kind of the feeding mechanism is confirmed after confirming the centering state without the “field”. A log (log) W is placed thereon, and the log (log) W (hereinafter referred to as log W) is conveyed while being held by pinch rolls 20, 20,.

  However, the log W usually has a large log diameter on the front side on the near side, a small diameter on the back side on the end side, and is slightly bent in the middle. As shown in FIG. Even if the state of the log W is determined in a posture with no thickness and it is put on the chain 25 in order to grind it with the band saws 26, 26, it is shown in FIG. 13 (B) which is an enlarged view of the Q portion of FIG. 13 (A). Thus, if there is a gap between the log W and the chain 25, the log W is bent so that it often rotates when placed on the chain 25. For this reason, even if the log W is in the “centered” state, when it is placed on the chain, only the right front side of the log is in contact and is not stable, and as shown in FIG. , Stable contact with the back at 3 points. In actual work, the log W is held by the pinch rolls 20, 20,... From above, so that a “field” remains in the corner of the square bar to be ground. In this way, when the log W is pressed with the pinch rolls 20, 20,... And the square bar is ground in the state of FIG. 14, "fields" are formed in the upper right and lower right of the pillar, and the product value is lowered. . In FIG. 15, when a log W is ground, the log W is fed while being pressed by a plurality of pinch rolls 20, 20,.

  The present invention has been made in order to address the above-described problems, and is stable without rotating even when placed on a chain in a “centered” state, and without a “field” in the corner of a square member. An object of the present invention is to provide a raw wood feeding device and a feeding method that can be transported by a chain transport mechanism while maintaining the “centered” state as it is.

  In order to solve the above-mentioned problems, the invention according to claim 1 is characterized in that the raw wood feeding device includes a gripping means for gripping both ends of the raw wood, the raw wood in the vicinity of the base opening, the vicinity of the end, and the base and the end. Measuring means disposed at least at one location between the measuring means and measuring a contour line perpendicular to the axial direction of the raw wood, and measuring at least three contour lines of the raw wood and a plurality of these measured contours The display means for projecting and displaying lines superimposed on each other and the contour line projected and displayed by moving the gripping devices at both ends holding the log separately in the vertical and horizontal directions and the circumferential direction A means for centering and specifying the rectangle, a fixing means for fixing the raw wood centered on the rectangle with the maximum angle, and cutting one side of the fixed raw wood at a fixed distance in at least two places Cutting means to form a flat surface and cutting It is characterized that a conveying means for mounting and fixing to feed material to the flat portion as a reference surface a flat portion and, in that it comprises an.

  Further, the invention according to claim 2 is characterized in that the raw wood feeding device includes a gripping means for gripping both ends of the raw wood, and at least one of the raw wood in the vicinity of the base opening, in the vicinity of the end opening, and between the base opening and the end opening. Measuring means for measuring a contour line arranged at a position perpendicular to the axial direction of the raw wood, and measuring at least three contour lines of the raw wood and projecting and displaying the plurality of contour lines thus measured Centering the largest rectangle that does not protrude from any of the projected and projected contours by independently adjusting the display means and the gripping devices at both ends holding the log, vertically and horizontally, and circumferentially. Identifying means, fixing means for fixing the log with the center of the maximum angle rectangle, cutting means for cutting one side of the fixed log in the vertical direction to form a plane, and the cut plane part Place and fix the flat part using It is characterized in that it comprises a Okuzai means, a.

  In the invention according to claim 3, the gripping means of the raw wood feeding device includes two types, one for measuring the outline of the raw wood and one for performing centering for taking out the maximum square wood. It is characterized by using a gripping device.

  Furthermore, the invention according to claim 4 is any one of the contour lines projected and displayed by independently adjusting the gripping devices at both ends holding the log of the raw wood feeding device in the vertical and horizontal directions and the circumferential direction. The means for centering and specifying the largest rectangle that does not protrude is automatic or manual.

  Further, the invention according to claim 5 is characterized in that a method for feeding raw wood includes a gripping means for gripping both ends of the raw wood, and at least one of the raw wood in the vicinity of the main mouth, the vicinity of the end, and between the base and the end. Measuring means for measuring a contour line arranged at a position perpendicular to the axial direction of the raw wood, and measuring at least three contour lines of the raw wood and projecting and displaying the plurality of contour lines thus measured Centering the largest rectangle that does not protrude from any of the projected and projected contours by independently adjusting the display means and the gripping devices at both ends holding the log, vertically and horizontally, and circumferentially. Cutting means for forming a plane by cutting at least two places on one side of the fixed raw wood at a certain distance in the vertical direction. Means and the cut flat part It is characterized by placing and fixing to feed material to the flat portion by.

  Furthermore, the invention according to claim 6 is characterized in that the raw wood feeding method includes a gripping means for gripping both ends of the raw wood, and at least one of the raw wood in the vicinity of the base opening, the vicinity of the end opening, and between the base opening and the end opening. Measuring means for measuring a contour line arranged at a position perpendicular to the axial direction of the raw wood, and measuring at least three contour lines of the raw wood and projecting and displaying the plurality of contour lines thus measured Centering the largest rectangle that does not protrude from any of the projected and projected contours by independently adjusting the display means and the gripping devices at both ends holding the log, vertically and horizontally, and circumferentially. Identifying means, fixing means for fixing the log with the center of the maximum angle rectangle, cutting means for cutting one side of the fixed log in the vertical direction to form a plane, and the cut plane part Place and fix the flat part using It is characterized in that.

  Further, the gripping means of the raw wood feeding method uses two gripping devices, one for measuring the contour of the raw wood and one for performing centering for taking out the maximum square wood. It is said.

  Furthermore, the invention according to claim 8 is a contour line that is projected and displayed by independently adjusting the holding devices at both ends holding the raw wood of the raw wood feeding method in the vertical and horizontal directions and the circumferential direction. The means for centering and specifying the largest rectangle that does not protrude from either of these is automatic or manual.

  As any of the above means, according to this raw wood feeding method, even if the centered raw wood is placed on the chain, the bottom surface of the raw wood is stabilized on the chain so that it does not rotate and is centered. A log can be placed on the chain of the chain transport mechanism while maintaining the above. For this reason, when a square bar is ground, it is possible to reliably take out a columnar material or a beam material in a state where there is no field. Therefore, high quality can be maintained without deteriorating the value as a pillar material.

  DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The best implementation for carrying out the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing the main part of the entire configuration of a feeding device used in the method for feeding raw wood according to the present invention, and FIG. A material feeding device used in the material feeding method of the present invention is incorporated in a frame 1, 2 is a conveyor for feeding a log (log) W (hereinafter referred to as log W) to be sawed, and 3 is a conveyor 2. Is a log receiving portion with a stopper that receives the log W that has been put in, and stops the mounted log W. 4 is a transfer device for transferring the log W placed on the log receiving portion 3 with a stopper from (A line) to (B line). Reference numeral 5 denotes a chain for conveying (feeding) the log W in a direction of cutting with a band saw (not shown). Here, the A line is a line for receiving the log W inputted from the conveyor 2, the B line is a line for measuring the diameter of the log W, the C line is a log posture controlling line, and the D line is a posture controlled log W. It is a line that moves on the chain. In addition, 30 and 30 are the cutting devices which installed the band saw.

  Next, 6 is a first log gripping device (a gripping means or a chucking unit, hereinafter referred to as the first log gripping device 6) provided with gripping portions 6A and 6B for gripping the original and end of the log W. , Used when measuring a plurality of contour lines of a log W. 7 is provided with gripping portions 7A and 7B for gripping the front end and the end end, and a second log gripping device (a gripping means or a chucking unit or less, the second log) that performs centering when taking out the square material from the log W. A gripping device 7), which is used for centering when a square is taken out from the log W. The first log gripping device 6 and the second log gripping device 7 have the same configuration as will be described later, when measuring a plurality of contour lines of the log W and when taking out the square from the log W. Use them alternately when centering.

  A log diameter measuring device 8 measures the log diameter (contour line) at several places of the log, and includes a contact bar 8A that swings in contact with the rotation of the log W and a displacement detector 8B. The displacement amount detector 8B displays the displacement amount detection signal as a contour line on a display device (described later). In this log diameter measuring device 8, when the log W is rotated with the first log gripping device 6 gripped (usually rotating about 360 degrees), the swinging contact bar 8A of the log diameter measuring device 8 is contacted with the contact bar 8A. A plurality of contour lines of the log W are measured and detected by the displacement amount detector 8B interlocked with the bar 8A. The detection and display of the contour line will be described later. A total of three log diameter measuring devices 8 are arranged between the main and end of the log W, and between the original and end of the log W (four in the embodiment).

  The operation of the first log gripping device 6 and the second log gripping device 7 will be described. When the rotation for measuring the diameter of the log W and the posture control of the log W are performed, the rotation and the posture control operation are alternately performed. Do. That is, as shown in FIG. 3A, the first log gripping device 6 grips both ends of the log W with the gripping portions (6A, 6B) on the B line, measures the log W diameter, and moves to the C line. Move. The second log diameter measuring device 7 on the C line moves the grip W (7A, 7B) away from the log W onto the rear B line after centering the log W. As shown in FIG. 3B, the first log gripping device 6 centered on the C line releases the gripping portions (6A, 6B), while the second log gripping device 7 is gripped by the gripping portions (7A, 7B). ) To grip both ends of the log W. As shown in FIG. 3C, the log W separated from the gripping portions (6A, 6B) of the first log gripping device 6 is fixed by the log fixing device 9 in the centered state and moved to the D line. The During this time, the first log gripping device 6 returns to the B line, grips the log W that has been input again, and measures the diameter. As shown in FIG. 3D, the second log gripping device 7 performs centering of the log W and moves the log W fixed by the log fixing device 9 to the chain transport mechanism 5 through the log transport line of the D line. During this time, the plane portions (A1, A2) are processed and created by the two milling cutters 10,10. During this time, the first log gripping device 6 measures the diameter of the log W, and the second log gripping device 7 centers the log W. In this state, the log W is fixed to the log fixing device 9 and the log W can be stably placed on the chain conveying mechanism 5 of the D line. Details of these operations will be described with reference to FIGS.

  The logs W whose contour lines are detected at several points in the longitudinal direction by the log diameter measuring device 8 are moved from (B line) to (C line) while being held by the holding portions 6A and 6B. The gripper 6A, 6B can move and rotate the front end and the end end independently in the left-right direction (X direction) and the up-down direction (Y direction), respectively, so that the largest square member without a field can be obtained. The state is centered, and the log W in a state of being centered by the log fixing device 9 described later is fixed. In this case, movement measurement and signal conversion in the X direction, the Y direction, and the circumferential direction are performed by a combination of an encoder and a ball screw (this section will be further described later). The first log gripping device 6 moves and rotates the gripping portions 6A and 6B in the left and right directions (X direction) and the up and down direction (Y direction) independently on the C line. Center to a state where the largest slab can be removed. During this time, the second log gripping device moves in the B line direction, grips the log W with the gripping portions 7A and 7B, and measures the log diameter at each position with the B line.

  Furthermore, the log gripping device that grips both ends of the log uses the first log gripping device 6 and the second log gripping device 7, and these log gripping devices 6 and 7 can be moved up and down, left and right and independently. The means for centering and specifying the maximum rectangle that does not protrude from any of the contour lines projected and displayed in the circumferential direction may be automatically or manually performed.

  Moreover, 10 and 10 shown in FIGS. 1 and 2 are both milling cutters, which are driven by the driving device 11, and are for cutting a part of the bottom surface of the log W flatly. As will be described later [paragraph 0028], the centered log W is moved in the horizontal direction while being fixed by the log fixing device 9, and at that time, the milling cutters 10, 10 cut a part of the log W. Thus, flat portions W1 and W2 (see FIG. 11) are formed. Since these flat portions W1 and W2 can be placed as they are when placed on the chain 5, the log W does not rotate a little.

  The log fixing device 9 fixes the log W in which the contour line is detected. In the centering process, the log fixing device 9 fixes when the first log gripping device 6 and the second log gripping device 7 grip or release the log W. Or unlock. As shown in FIG. 2, the log fixing device 9 includes a pair of pedestals 14 and 14 that can move left and right on the guide 13, and a pair of log chuck claws 15 and 15 that are fixed to the pedestals 14 and 14. A pair of cylinders 16 and 16 that are driven up and down, and cylinders 17 and 17 that drive the pair of pedestals 14 and 14 symmetrically and independently on the guide 13 so as to be widened, narrowed, or moved left and right separately. , Is composed of. Reference numeral 18 denotes a cylinder (driving means) that moves the entire log fixing device 9 in a direction in which the chain 5 is located. Reference numeral 20 denotes a log retainer that is fixed when the log W is fed by the chain 5. This log fixing device 9 is provided in two places, the vicinity of the main opening and the vicinity of the end opening.

The configuration of the feeding device used in the raw wood feeding method of the present invention is as described above. Next, the details of the feeding method using this feeding device will be described.
First, the log W put into the conveyor 2 is received by the log receiving portion 3 with a stopper. FIG. 4A is a plan view of a state before the log W received by the log receiving portion 3 with stopper from the conveyor 2 is moved to the B line by the transfer device 4 and gripped by the first log gripping device 6. FIG. 4B is a front view. As shown in these drawings, the log W placed on the transfer device 4 lowers the log receiving portion 3 with a stopper, raises the transfer device 4 slightly, and moves the transfer device 4 slightly (at this time) The log receiving portion 3 with a stopper is returned to the original position by the cylinder 3A), and the first log gripping device 6 holds the base and the end by the gripping portions 6A and 6B. Then, as shown in FIGS. 5A and 5B, when the log W is clamped by the first log gripping device 6, the log W is rotated by about 360 degrees, and each log diameter measuring device 8 changes the position of the log W. Log diameter (outline) is measured.

As shown in FIG. 6A and FIG. 6B, when the contour line of the log W is measured, the log W is held by the first log gripping device 6 while being gripped by the first log gripping device 6. Move to C line. As shown in FIG. 6 (A), the contour line measured by each log diameter measuring device 8 rotates around L ₀ as shown in FIG. 7 (A) and is displayed as an axial contour line. Overlaid on the screen. In this case, since the contour lines at the respective positions of the log W are displayed as they are, it is not in a state where the maximum square can be removed even if it is attempted to take the square with no field. Therefore, as shown in FIG. 7 (B), the control means (the largest square member can take the contour line displayed on the image in the X direction, the Y direction, and the rotation direction at the same time in the X direction, the Y direction, and the rotation direction at the same time. CPU) is centered by simulation, and the log W in a state where the largest square member can be taken around L ₁ is fixed by the log fixing device 9. FIG. 8A and FIG. 8B are a plan view and a front view showing an operation showing a state when the largest square bar is taken out from the display of the contour lines in FIG. 7A and FIG. 7B.

  Next, FIG. 9A is a plan view in the case where the log W is fixed by the log fixing device 9, the grip is released by the first log gripping device 6, and the state before the lower surface of the log W is cut by the milling cutter 10 is shown. FIG. 9B is a front view. FIGS. 10A and 10B are views showing a state in which the log W is cut with the milling cutter 10 and placed on the chain 5. That is, the log W centered and fixed by the log fixing device 9 is moved in the horizontal direction (horizontal direction) as it is, and a part of the surface is cut flat by the milling cutters 10 and 10 installed in two places. Planar portions W1 and W2 are formed (see FIG. 12). Then, as shown in FIGS. 11 (A) and 11 (B), the centered log is fixed on the log fixing device 9 and is moved onto the chain 5 of the feeding mechanism. Then, the chain 5 is driven by moving the cylinders 17 and 17 of the log fixing device 9 left and right after being pressed by the pinch rolls 20, 20... (See FIG. 13). In this log feeding, even if the upper part is pressed by a multi-point log presser (pinch roll) 20, the log can be fed while maintaining the centered state without rotating.

  FIG. 12 shows a state in which two portions of the lower surface are cut by the milling cutters 10 and 10 and fixed by the log chuck claws 15 and 15 of the log fixing device 9 and the flat portions W1 and W2 are placed on the docks 5A and 5A provided on the chain 5. It is a perspective view shown. As described above, when the centered log W is provided with the flat portions W1 and W2 and placed on the chain 5, the log W can be processed without being rotated and can be used for taking out the square material as it is. It is. That is, these flat portions W1 and W2 serve as reference surfaces for taking out the square bars. And in this case, if the log is pressed by the presser with a three-point support on the chain, which has been a problem in the past, even if the log rotates and grinds the square material, the log remains in a part of the corner and the commercial value is increased. The problem of lowering is gone.

  One embodiment of the raw wood feeding method of the present invention is as described above. However, in the above embodiment, each constituent means for achieving the same purpose can be implemented by changing to other means. . For example, as the log gripping device for measuring the contour line and simulating so as to take out the largest square member, two log gripping devices of the first log gripping device 6 and the second log gripping device 7 are used. It may be for performing a simulation for measuring the contour line with a gripping device and taking out the largest square member. Further, the log diameter measuring device 8 may be a measuring device using a non-contact type laser or an ultrasonic measuring device. Furthermore, although a part of the milling machine 10 is cut flat, a moving device may be provided so that the milling machine 10 can be moved in the vertical direction so as to cut the entire lower surface flat. In addition to milling, the lower surface processing may be a circular saw, a band saw, or the like. In addition to the chain transport mechanism, a wire transport mechanism or the like can be used as the transport mechanism.

It is a top view which shows the principal part of the whole structure of the feeding apparatus used with the feeding method of the raw wood of this invention. It is a P arrow front view of FIG. FIG. 3A is a diagram for explaining the operation of the first log gripping device and the second log gripping device. FIG. 3A is a diagram illustrating how the first log gripping device grips the log and measures the diameter so that the log is centered. FIG. 3 (B) is a state in which the second log gripping device grips the log to measure the diameter of the log, and after the first log gripping device is centered, the gripping part is released. FIG. 3 (C) shows the centered log placed on the transport mechanism by the log fixing device, the first log gripping device that has released the log moves to the original log diameter measurement position, and the second log gripping device. Fig. 3 (D) shows a state where the log is gripped and moved to the centering position. Fig. 3 (D) shows the second log gripping device centering the log and moving the log fixed by the log fixing device to the log transport mechanism. It is a figure which shows the state made to do. FIG. 4A is a plan view of a state where the log W received from the conveyor by the log receiving portion is gripped by the first log gripping device, and FIG. 4B is a front view. FIG. 5A is a plan view when a log is gripped by the first log gripping device and a contour line of the log is measured, and FIG. 5B is a front view thereof. FIG. 6A is a plan view of the log moved to the C line while being gripped by the first log gripping device, and FIG. 6B is a front view thereof. FIG. 7A shows a state in which the contour line measured by each log diameter measuring device is displayed as an axial contour line on the display device, and FIG. 7B shows the contours displayed in a superimposed manner. It is a figure of the state centered by simulating to move the line in the X direction, the Y direction, and the rotation direction so that the largest square bar can be taken. FIG. 8 (A) shows the first log gripping device and the log fixing device portion in the operation showing the state when the largest square bar is taken out from the display of the contour lines of FIG. 7 (A) and FIG. 7 (B). FIG. 8B is a plan view, and FIG. 8B is a front view thereof. FIG. 9A is a plan view showing a state before a log is fixed and held by a log fixing device and the lower surface of the log is cut with a milling cutter, and FIG. 9B is a front view. FIG. 10 (A) is a view showing a state after cutting a log with a milling cutter, and FIG. 10 (B) is a front view thereof. FIG. 11A is a plan view of a state in which the centered log is fixed and moved by a log fixing device and placed on the chain, and FIG. 11B is a front view thereof. It is a perspective view which shows the state which mounts the plane part W1, W2 on the dock provided in the chain by fixing the log which two places of the lower surface were cut by the mill with the log chuck | zipper claw of a log fixing device. FIG. 13A is a cross-sectional view when placing a log in a centered state when taking out a square from a conventional log on the chain of the feeding mechanism, and FIG. 13B is a diagram of FIG. It is the Q section enlarged view. It is sectional drawing just after mounting the log of the centering state at the time of taking out a square from the conventional log on the chain of a feeding mechanism. It is a front view at the time of feeding material, pressing the log of the centering state at the time of taking out a square material from the conventional log with a pinch roll.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Frame 2 Log feeding conveyor 3 Log receiving part with stopper 4 Log transfer device 5 Feeding chain 6 First log gripping device 7 Second log gripping device 8 Log diameter measuring device 9 Log fixing device 10 Milling 13 Guide 14 Base 15 Log chuck claw 16 Cylinder 17 Cylinder 18 Cylinder 20 Pinch roll (Log retainer)
W1, W2 plane part

Claims (8)

A gripping means for gripping both ends of the log, and a contour line perpendicular to the axial direction of the log, the log being arranged in the vicinity of the main mouth, in the vicinity of the end, and between the base and the end. Measuring means for measuring, display means for measuring at least three contour lines of the log and projecting and displaying a plurality of the measured contour lines, and gripping devices at both ends holding the log A means for centering and specifying the maximum rectangle that does not protrude from any of the contour lines projected and displayed by moving and adjusting independently in the vertical and horizontal directions and the circumferential direction, and fixing the log that centered the rectangle with the maximum angle The fixing means, the cutting means for cutting one side surface of the fixed raw wood at a certain distance in the vertical direction to form a plane, and the plane portion with the cut plane portion as a reference plane is mounted. Conveying means for placing and fixing the material , Okuzai device timber comprising comprising a. A gripping means for gripping both ends of the log, and a contour line perpendicular to the axial direction of the log, the log being arranged in the vicinity of the main mouth, in the vicinity of the end, and between the base and the end. Measuring means for measuring, display means for measuring at least three contour lines of the log and projecting and displaying a plurality of the measured contour lines, and gripping devices at both ends holding the log A means for centering and specifying the maximum rectangle that does not protrude from any of the contour lines projected and displayed by moving and adjusting independently in the vertical and horizontal directions and the circumferential direction, and fixing the log that centered the rectangle with the maximum angle A fixing means, a cutting means for cutting a side surface of a fixed log in a longitudinal direction to form a plane, and a feed for feeding the material by placing and fixing the plane portion with the cut plane portion as a reference plane And a means for feeding raw wood. The gripping means uses two gripping devices, one for measuring the outline of the raw wood and the other for centering for taking out the maximum square bar. Raw wood feeding device. Means for centering and specifying the largest rectangle that does not protrude from any of the contour lines projected and adjusted by independently moving the gripping devices at both ends holding the log, vertically and horizontally, and circumferentially, The raw wood feeding device according to any one of claims 1 to 3, which is automatic or manual. A gripping means for gripping both ends of the log, and a contour line perpendicular to the axial direction of the log, the log being arranged in the vicinity of the main mouth, in the vicinity of the end, and between the base and the end. Measuring means for measuring, display means for measuring at least three contour lines of the log and projecting and displaying a plurality of the measured contour lines, and gripping devices at both ends holding the log A means for centering and specifying the maximum rectangle that does not protrude from any of the contour lines projected and displayed by moving and adjusting independently in the vertical and horizontal directions and the circumferential direction, and fixing the log that centered the rectangle with the maximum angle The fixing means, the cutting means for cutting one side surface of the fixed raw wood at a certain distance in the vertical direction to form a plane, and the plane portion with the cut plane portion as a reference plane is mounted. Specially placed and fixed Okuzai method of wood to be. A gripping means for gripping both ends of the log, and a contour line perpendicular to the axial direction of the log, the log being arranged in the vicinity of the main mouth, in the vicinity of the end, and between the base and the end. Measuring means for measuring, display means for measuring at least three contour lines of the log and projecting and displaying a plurality of the measured contour lines, and gripping devices at both ends holding the log A means for centering and specifying the maximum rectangle that does not protrude from any of the contour lines projected and displayed by moving and adjusting independently in the vertical and horizontal directions and the circumferential direction, and fixing the log that centered the rectangle with the maximum angle Fixing means, cutting means for cutting one side of a fixed log in the longitudinal direction to form a plane, and placing and fixing the plane portion with the cut plane portion as a reference plane to feed the material A method of feeding raw wood characterized by The gripping means uses two gripping devices, one for measuring the outline of the raw wood and one for performing centering for taking out the largest square bar. To send raw wood. Means for centering and specifying the largest rectangle that does not protrude from any of the contour lines projected and adjusted by independently moving the gripping devices at both ends holding the log, vertically and horizontally, and circumferentially, The method for feeding raw wood according to any one of claims 5 to 7, which is automatic or manual.

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