JP2004167770A - Positioning process device for workpiece to be precut - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a correctly positioning device of a processing device for a workpiece to be precut. <P>SOLUTION: This positioning process device comprises a first feed device 17 for positioning a workpiece 15 arranged at one side part of the carry-in side of a workpiece conveying line 16 for the workpiece 15; a second feed device 19 for positioning the workpiece 15 arranged on the other side part of the conveying line 16; a sawing device 29 mounted on the side part of the conveying line 16; a laser apparatus 30 mounted on the end part of the conveying line 16; a first processing device 31 mounted on the side part of the conveying line 16; and a second and a third processing device 32 and 33 mounted on the side part of the line 16. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a pre-cut processing material positioning apparatus for accurately cutting a pre-cut processing material to a set length and processing the pre-cut processing material at an accurate position.
[0002]
[Prior art]
As shown in FIG. 5, as a precut material processing apparatus of this kind, a feed conveyor 3 for conveying the precut material 1 is connected to a carry-in conveyor 2 for carrying in the precut material 1, and the carry-in conveyor 2 and the feed conveyor 2 are connected to each other. A servo motor 4 for driving the conveyor 3 is mounted on the carry-in conveyor 2, a rail 5 orthogonal to the carry-in conveyor is mounted near the carry-in conveyor 2, and a movable table 6 moved along the rail 5 is mounted. Further, the moving table 6 is moved by a servomotor 7, and a saw device 10 having a saw 9 rotated by a motor 8 is mounted on the moving table 6. As shown in FIG. 6, flat mortise 1b, stud notch 1c, stitch mortise 1d, joint ant 1e, fired carving 1f, pillar pallet 1g, barrel wood chip 1h, joist carving 1i, etc. Processing devices 11 a, 11 b, 11 c for processing are mounted, and a rail 12 is mounted on the side of the feed conveyor 3. A stopper device 13 is mounted so as to move along the rail 12. Is mounted with a stopper 13a mounted on the upper part of the feed conveyor 3 and a servomotor 14 for moving the stopper device 13. The stopper 13a does not hinder the feeding of the precut material 1 after the rear part of the precut material 1 is cut. As described above.
[0003]
[Problems to be solved by the invention]
However, in this precut material processing apparatus, the precut material 1 is sent from the carry-in conveyor 2 to the feed conveyor 3 and is brought into contact with the stopper 13a of the stopper device 13, but the stopper device 13 is moved. When the rail 12 is configured to be long and the stopper device 13 is moved by the servo motor 14, an error occurs due to a play between the rack of the rail 12 and the ratchet provided on the stopper device 13, so that accurate positioning cannot be performed. There is a problem, and a piece of wood may be sandwiched between the tip 1a of the workpiece 1 and the stopper 13a of the stopper device 13, or the tip 1a of the pre-cut workpiece 1 may be dented when it collides with the stopper 12a. The actual length of the pre-cut material may not be as specified, or the flat mortise 1b When processing such as 1c, mortise mortise 1d, joint ant 1e, fire carving 1f, pillar stake 1g, rafter chipping 1h, joist carving 1i, etc., it is impossible to machine at the correct machining position when machining with the machining apparatus 11a, 11b, 11c. However, such a small error has been overlooked in the past.
[0004]
[Means for Solving the Problems]
The present invention relates to a work material transfer line for transferring a work material, and a belt that winds a plurality of rollers mounted on a side of the work material transfer line on the loading side and a roller connected to a rotation shaft of a servomotor. A pair of work material positioning and feeding devices, a measuring device for measuring the length of the work material attached to the end of the work material transfer line, and one or more arranged at the side of the work material transfer line The processing device of, the distance between the measuring device and the tip of the processing material is measured, and the processing material is fed by the processing material positioning and feeding device and is positioned at a position where the processing is performed. A plurality of pairs of the work material positioning feed device is mounted on the work material transport line, further, the measuring device uses a laser, and the measuring device is an ultrasonic measuring device, In addition, The measuring device is a mechanical measuring device, the processing device is a saw device, and the processing device is a flat mortise, a stud notch, a mortise, a joint ant, a fired carving, a pillar, a bark, and a bark. It is a device that performs processing such as chipping or joist carving.
[0005]
BEST MODE FOR CARRYING OUT THE INVENTION
In the present invention, the pre-cut work material conveyed on the work material conveyance line is sandwiched by a pair of work material positioning and feeding devices including a belt that winds a plurality of rollers and a roller connected to a rotation shaft of a servomotor, and the work is processed. When transported synchronously by the servo motor of the workpiece positioning feeder, the tip position of the workpiece is measured by the measuring device, and when the tip of the workpiece comes to the predetermined position, the workpiece positioning feeder is stopped. When the processing device is driven, the processing material is processed, and when the front end of the processing material reaches a predetermined position, the processing device temporarily stops, and when the front end position of the processing material is shifted from the processing device, the processing is performed. Move the device in the direction of the workpiece transfer line to make fine adjustments.
[0006]
【Example】
FIG. 1 is a plan view of an apparatus for positioning a precut workpiece according to an embodiment of the present invention. A workpiece 15 has four small diameter workpieces arranged in a row on one side of a loading side of a workpiece transport line 16. A first workpiece positioning / feeding device 17 comprising a large-diameter roller 17b connected to a roller 17a and a rotary shaft 18a of a servomotor 18, and a belt 17c wound around the small-diameter roller 17a and the large-diameter roller 17b. Are arranged, and four small-diameter rollers 19a arranged in a row on the other side of the workpiece transfer line 16 and a large-diameter roller 19b connected to the rotation shaft 20a of the servomotor 20, A second workpiece positioning / feeding device 19 comprising a small-diameter roller 19a and a belt 19c wound around a large-diameter roller 19b is provided, and a workpiece transport line 16 is provided on the side of the workpiece transport line 16. Orthogonal to A moving table 22 is mounted on the moving table 22. The moving table 22 is moved by a servomotor 23. A rail 24 is formed on the moving table 22. A movable table 25 is mounted on the rail 24 in parallel with the material transport line 16, and the movable table 25 is positioned and moved by a servomotor 26, and a saw 28 rotated by a motor 27 is mounted on the movable table 25. Is mounted, a laser device 30 is mounted on the end of the work material transfer line 16, and a first processing device 31 and a second work device are mounted on the side of the work material transfer line 16. 32 and a third processing device 33 are mounted.
[0007]
FIG. 2 is a block diagram of a controller for controlling the pre-cut workpiece positioning apparatus of the embodiment shown in FIG. 1. A memory 35 for storing set values and the like is connected to a controller 34 comprising a CPU. An input device 36 for inputting a set value or the like and a laser device 30 are connected to the input side of the servomotor 18 of the first workpiece positioning and feeding device 17 and a second workpiece positioning device on the output side of the control device 34. The servomotor 20 of the feed device 19, the servomotors 23 and 26 of the saw device 29, the motor 27 for rotating the saw 28, the first processing device 31, the second processing device 32, and the third processing device 33 are provided. ing.
[0008]
The operation of the present embodiment configured as described above will be described with reference to the flowchart of FIG. 3. First, the apparatus is started and the saw 28 of the saw apparatus 29 is moved to a position predetermined by the set value read from the memory 35. The setting is performed by moving the carriages 22 and 25 with the servo motors 23 and 26 (step 1), and the servo motors 18 and 20 of the first work material positioning feed device 17 and the second work material positioning feed device 19 are driven. Then, the loaded workpiece 15 is moved (Step 2), the laser 30 is operated to emit the laser 30a (Step 3), and the reciprocating time of the laser 30a causes the laser apparatus 30 and the tip of the precut workpiece 1 to move. The controller 34 determines whether or not the distance to 1a is a predetermined distance (step 4). When this is detected, the servomotors 18 and 20 of the first and second workpiece positioning and feeding devices 17 and 19 are stopped (step 5), and the servomotor 23 of the sawing device 29 is driven to move the front end of the workpiece 15. After the cutting (Step 6) and the cutting of the tip of the work material 15 is completed, the servo motors 18 and 20 of the first and second work material positioning and feeding devices 17 and 19 are driven to move the work material 15 (Step 6). 7) The laser 30a is fired by operating the laser device 30 (step 8), the distance between the laser device 30 and the tip 15a of the pre-cut workpiece 15 is measured from the reciprocation time of the laser 30a, and the measured distance is set to a predetermined value. The controller 19 determines whether or not the distance is the distance (step 9). When the tip 15a of the workpiece 15 reaches a predetermined distance, the first and second workpiece positioning and feeding devices 17, 9, the servomotors 18 and 20 are stopped (step 10), the first processing device 32 processes a predetermined portion of the processing material 15 (step 11), and when the processing of the first processing device 31 is completed, The servo motors 18 and 20 of the first and second workpiece positioning and feeding devices 17 and 19 are driven to move the workpiece 15 (Step 12), and the laser device 30 is operated to emit the laser 30a (Step 12). 13), the distance between the laser device 30 and the tip 1a of the pre-cut workpiece 1 is measured from the reciprocating time of the laser 30a, and the control device 19 determines whether the measured distance is a predetermined distance (step 14). When the tip of the workpiece 15 reaches a predetermined distance, the servo motors 18 and 20 of the first and second workpiece feeders 17 and 19 are stopped (step 15), and the second processing is performed. A predetermined portion of the processing material 15 is processed by the device 32 (step 16), and when the processing of the second processing device 32 is completed, the servo motors 18 of the first and second processing material positioning and feeding devices 17 and 19 are processed. , 20 are driven to move the workpiece 15 (step 17), the laser device 30 is operated to emit a laser 30a (step 18), and the reciprocating time of the laser 30a causes the laser device 30 and the tip of the pre-cut workpiece 1 to move. 1a is measured, and whether or not the measured distance is a predetermined distance is determined by the control device 19 (step 19). When the tip of the workpiece 15 reaches the predetermined distance, the first and second distances are set. The servo motors 18 and 20 of the workpiece positioning and feeding devices 17 and 19 are stopped (step 20), and the third processing apparatus 33 processes a predetermined portion of the workpiece 15 and when the processing is completed, The work material 15 is carried out (step 22), and it is determined whether or not the next work material 15 is carried in (step 23). If there is the next work material 15, the process returns to step 1 and the next work material 15 is removed. If there is no processing, the process ends.
[0009]
As described above, according to the present invention, the work material 15 is sequentially positioned and conveyed by the first and second work material positioning feed devices 17 and 19, and when the work material 15 is being conveyed, the work material 15 is conveyed by the laser device 30. By accurately detecting the position of the tip of the workpiece 15 by detecting the position of the tip 15a of the workpiece 15, a predetermined portion of the workpiece 15 can be accurately cut by the saw device 29. A flat mortise 1b and a stud notch 1c also shown in FIG. 5 are formed on the side surface of the precut workpiece 15 by first, second, and third processing apparatuses 31, 32, and 33 mounted on the side of the workpiece transport line 16. It is possible to apply a processing such as a mortise mortise 1d, a joint ant 1e, a fired carving 1f, a column holder 1g, a rafter chipping 1h or a joist carving 1i.
[0010]
In the above-described embodiment, after the end position of the processing material 15 is positioned by the laser device 30, the processing is immediately performed by the saw device 29 or the first, second, and third processing devices 31, 32, and 33. However, after the tip position of the work material 15 is once set by the laser device 30, the tip position of the work material 15 is further processed with the saw device 29, the first, second, or third processing device 31, 32, 33. When there is a displacement, the sawing device 29, the first, second or third processing device 31, 32, 33 is operated without driving the first and second processing material positioning feed devices 17, 19, respectively. By moving along the workpiece transfer line 16, it is possible to perform processing at an accurate position of the workpiece 15.
[0011]
FIG. 4 is a plan view of an apparatus for positioning a precut workpiece according to an embodiment of the present invention, wherein 15 is a workpiece, 16 is a workpiece transport line, 17 is a first workpiece positioning feeder, 18 is a servomotor, 19 Is a second processing material positioning feed device, 20 is a servo motor, 29 is a sawing device, 30 is a laser device, 31 is a first processing device, and 32 is a second processing device. Since the configuration is the same as that of the pre-cut workpiece positioning apparatus, the description thereof is omitted, but in the present embodiment, the second side of the workpiece transport line 16 between the saw apparatus 29 and the first processing apparatus 31 has Third and fourth work material positioning feeders 37 and 38 having the same configuration as the first work material positioning feed device 17 and the second work material positioning feed device 19 are mounted.
[0012]
In this embodiment configured as described above, the same effect as in the above embodiment can be obtained. However, when the short processing material is processed by the first and second processing apparatuses 31 and 32, it is easy to perform the feed processing. There is an advantage, also in this embodiment, after the tip position of the processing material 15 is once set by the laser device 30, the tip position of the processing material 15 and the saw device 29, the first, second or third processing device When there is a shift in the processing position with respect to 31, 32, 33, the saw device 29, the first, second or third processing is performed without driving the first and second processing material positioning and feeding devices 17, 19. By moving the devices 31, 32, and 33 along the workpiece transfer line 16, processing can be performed at an accurate position of the workpiece 15.
[0013]
In the above embodiment, the laser device 30 has been described as a measuring device. However, the processing devices 31, 32, and 33 may be similarly used even if another measuring device, for example, an ultrasonic measuring device or a mechanical measuring device is used. Measuring the tip of the workpiece 15 at each of the positions, it is possible to accurately process the predetermined processing position of the pre-cut workpiece 15, and, after measuring the tip of the workpiece 15, By positioning each of them at a predetermined portion, it is possible to accurately process a predetermined processing position of the precut material 15.
[0014]
【The invention's effect】
As described above, in the apparatus for positioning a precut workpiece according to the present invention, the precut workpiece transported on the workpiece transport line is a belt that winds a plurality of rollers and a roller connected to a rotation shaft of a servomotor. When the workpiece is pinched by the pair of workpiece positioning feeders and transported synchronously by the servomotor of the workpiece positioning feeder, the tip position of the workpiece is measured by the measuring device, When it comes to the position, stop the work material positioning feed device, drive the processing device to process a predetermined portion of the conveyed work material, or measure the tip position of the work material with a measurement device, When the front end of the workpiece reaches a predetermined position, the workpiece positioning and feeding device is temporarily stopped, and each processing apparatus is finely adjusted along the workpiece transport line, so that the predetermined position of the workpiece is maintained. There is an advantage that is precisely machined.
[Brief description of the drawings]
FIG. 1 is a plan view of an apparatus for positioning a precut material according to an embodiment of the present invention.
FIG. 2 is a block diagram of a control device for controlling the operation of the pre-cut material positioning processing device of FIG. 1;
FIG. 3 is a flowchart illustrating an operation of the control device of FIG. 2;
FIG. 4 is a plan view of an apparatus for positioning a precut material according to another embodiment of the present invention.
FIG. 5 is a plan view of a conventional apparatus for cutting a precut material.
FIG. 6 is a perspective view of a processed precut material.
[Explanation of symbols]
15 Pre-cut work material 16 Work material transport line 17 First work material positioning feed device 18, 20 Servo motor 19 Second work material positioning feed device 21, 24 Rail 22, 25 Moving table 23, 26 Servo motor 27 Motor 28 Saw 29 saw device 30 laser device 31 first processing device 32 second processing device 33 third processing device 34 control device 35 memory

Claims (7)

A pair of a work material transfer line for transferring a work material, and a belt formed by winding a plurality of rollers mounted on the side of the work material transfer line on the loading side and a roller connected to a rotation shaft of a servomotor. A work material positioning feed device, a measuring device for measuring the length of the work material attached to an end of the work material transport line, and one or more processing devices arranged on a side portion of the work material transport line; Measuring the distance between the measuring device and the tip of the work material, and positioning the pre-cut work material by positioning the work material by the work material positioning / feeding device at a position where the work material is conveyed and processed. Processing equipment. A plurality of pairs of the work material positioning and feeding devices are mounted on the work material transport line. The apparatus according to claim 1, wherein the measuring device is a laser. The positioning device according to claim 1, wherein the measuring device is an ultrasonic measuring device. 3. The apparatus according to claim 1, wherein the measuring device is a mechanical measuring device. The apparatus according to claim 1, wherein the processing device is a saw device. The said processing apparatus is an apparatus which performs processes, such as a flat mortise, a stud notch, a mortise, a joint ant, a fired carving, a pillar, a bark chipping or a joist carving. Pre-cut material positioning processing equipment.

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