JPS6353001B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to an apparatus for automatically supplying material to a high-speed moving material feeding table of a processing machine used in the lumber and woodworking industries.

(B) Prior Art Conventionally, as a device for continuously processing materials in a sawmill or the like, a recirculating material type sawing device disclosed in JP-A-59-106901 has been known.

This saw consists of a saw that is driven by power to saw the material, a conveyor that moves straight from the front to the rear on one side of the saw, and then retracts from the back to the front on the outside of this straight section, and an intermediate part of the conveyor. a plurality of material feeding tables which are pivoted and oriented back and forth by guide means; a material holding means for holding the material on the material feeding tables; and a pressing means for pressing the material on the material feeding table against the sawn timber ruler in front of the saw.

Therefore, by using a circulation conveyor with a material feed table attached, if material is supplied at a location away from the saw machine, the material will be continuously supplied to the saw machine and sawn, making it safer and more efficient. It is characterized by efficient sawn timber and low facility costs.

(C) Problems to be Solved by the Invention However, with the above-mentioned device, the operator picks up the material sent by the conveyor at the material supply section and places it on the material feeding table of the circulation conveyor. Material feeding is possible when the conveyor travel speed is about 20 m/min, but if it exceeds 20 m/min, material feeding becomes difficult and dangerous.
Currently, we are working at a speed of 20 m/min due to the above-mentioned restrictions on material feeding, which makes it impossible to fully utilize the capabilities of the equipment, and also requires manpower to feed material, making it impossible to completely save labor. There was an unexpected problem.

Therefore, in the present invention, the material is fed by the material feeding means and the pushing means to the synchronized transfer means running parallel to the transfer means at the same speed, and while the material is running parallel to the material feeding table of the transfer means, the material is transferred to the material feeding table by the transfer means. Transfer, 60 per minute
By ensuring material feeding even in m.
This solves the conventional problems mentioned above.

(d) Means for Solving the Problems The automatic material feeding device for a material feeding table traveling at high speed according to the present invention includes a transfer means for receiving and transferring material from the side onto the material feeding table while traveling at high speed; It is arranged side by side with this transportation means and runs in the same direction at a constant speed,
a synchronous transfer means for causing the material fed thereon to run parallel to the material feeding table; a material feeding means for sending the material to a standby position on the side of the starting end of the synchronous transfer means for waiting; and a material feeding means provided at the standby position. a pushing means for rapidly pushing the material from the standby position into the synchronized transport means when an empty material feeding table in the above-mentioned transport means corresponds to the waiting material; The present invention includes a transfer means for transferring the material traveling in parallel from the synchronized transfer means to the material feeding table of the transfer means as the material moves in parallel.

(E) Effect The present invention based on the above-mentioned means has a synchronized transport means running in the same direction as the material transport means having a material feeding table moves at high speed, and the material is transported to a standby position on the side of the synchronized transport means. The material is sent by the material means to be kept on standby, and when an empty material feeding table in the transfer means corresponds to the waiting material, the material is rapidly pushed into the synchronous transfer means by the pushing means so that it is aligned with the material feeding table of the transfer means. During this time, the transfer means transfers the material on the synchronized transfer means to the material feeding platform of the transfer means, making it possible to automatically supply materials to the transfer means that travels at a high speed of several hundred meters per minute. be.

(F) Example The present invention is carried out as shown in FIGS. 1 to 6 of the drawings, and A
is a saw machine, with a pair of saw wheels 2, 2 above and below the frame 1.
(The lower saw wheel is not shown in the drawing)
A band saw 3 is suspended between these saw wheels 2, 2, and a sawn material ruler 4 is provided on one side in front of the band saw 3, the distance between which can be freely adjusted. However, work efficiency will be improved if two or more band saws 3 are installed side by side, with the position of the band saws 3 shifted from side to side, so that sawing is performed two or more times in succession.

Reference numeral 5 denotes a material transfer conveyor installed on one side of the band saw A described above so as to run straight from the front to the rear near the band saw 3, and to move straight from the back to the front outside of this straight section, and has a large diameter. It is suspended between a pair of front and rear chain wheels 6 and 7, and one of the chain wheels 6 is driven by a reduction gear motor 8.

Reference numeral 9 denotes a plurality of material feeding tables attached to the transfer conveyor 5 at pitches that do not cause mutual interference.The central lower part of the tables 9 is attached to the transfer conveyor 5 with a shaft 10, and the material is fed by guide means to be described later at the front and rear ends. Rollers 11, 11 are installed to constantly orient the table 9 in the front-back direction.

Reference numerals 12, 13, and 14 are guide members for performing the circulation movement of the material feeding table 9 while facing the front and back direction, and the outer guide member 12 is parallel to the straight forward portion and the straight backward portion of the transfer conveyor 5. As shown in FIG. Rollers 11, 11 provided at the front and rear of the material feeding table 9 are sandwiched between the outer guide member 12 and the opposite side part, and the material feeding table is used when moving straight and when going straight back. 9 correctly in the front-back direction, and guide means 14, 14 at both ends.
are the arcuate portion B of the outer guide member 12;
The front or rear rollers 11 of the material feeding table 9 are sandwiched between the outer guide member 12 and the material feeding table 9, so that the material feeding table 9 maintains its longitudinal direction even in the diffraction section. Make it seem like you are doing it.

Reference numerals 15 and 15' denote material holding means provided in two sets on the material feeding table 9, one of which is held onto the material feeding table 9 by a bolt 17 that engages with an adjustment slot 16, as shown in FIG. the pin 19 in the sliding hole 18.
The holding means 15, 15' are movable by being pressed against the fixed holding means 15 by the spring 20, and the holding means 15, 15' are sloped to expand outward on the material entry side, so that the material feeding position is adjusted. It is designed to ensure that the material is held securely even if there is some deviation.

Reference numeral 21 denotes a plurality of pressing rollers provided on one side of the straight-moving portion of the transfer conveyor 5, corresponding to the ruler 4 of the saw machine A, which are pivotally supported at the tip of a swinging arm 23 operated by a cylinder 22. The material is pressed against the ruler 4 described above.

Reference numeral 24 denotes a synchronized transfer conveyor provided on the side of the above-mentioned transfer conveyor 5 on the direct retreat side and parallel to the transfer conveyor 5;
The synchronized transfer conveyor 24 is connected to the transfer conveyor 5 to run at the same speed and in the same direction as the conveyor 5, and is attached to the material feeding table 9 of the transfer conveyor 5. A feeding member 27 is attached to the rear side of the material holding means 15, 15'.

Reference numeral 28 denotes a double-row chain material feed conveyor provided on the side of the starting end of the synchronized transfer conveyor 24 and perpendicular thereto, and a double-row chain material positioning conveyor 29 close to the synchronized transfer conveyor 24.
It is sent to the standby position via , and is kept there.

Reference numeral 30 denotes a plurality of pushing tools provided between the positioning conveyors 29, and the rods 32 of the cylinder 31.
The movable board 34 is moved back and forth along the guide 33 by
When the cylinder 31 moves forward, the material is moved to the synchronized conveyor using an undulating claw that is pivoted so that it can be raised and lowered, and that falls down when pressed by the material from behind, and that rises after the material has passed and engages the trailing edge of the material. It is sent after the sending member 27 at 24.

35 is a ruler provided between the synchronized conveyor 24 and the transfer conveyor 5 as shown in FIG.
receives the leading edge of the extruded material and positions the material correctly onto the synchronized conveyor 24.

Reference numeral 36 denotes a material detector provided on the starting end side of the material positioning conveyor 29 as shown in FIG. Motor 3 stops motor 37 and drives positioning conveyor 29
Rotate 8.

Reference numeral 39 denotes a material detector provided on the rear side of the pressing tool 30 in the material feeding direction, and when the material reaches this position, it is detected and the motor 38 is stopped.

Reference numeral 40 denotes a material detector corresponding to the material transfer conveyor 5, as shown in FIG. When there is no material, this is detected and a timer (not shown in the drawings) is activated. The cylinder 31 that drives the is operated.

Reference numerals 41 and 42 denote a pair of swinging arms that transfer the material sent to the synchronized transfer conveyor 24 to the transfer conveyor 5, and as shown in FIG. It is located at the rear in the material feeding direction, and a part thereof is installed obliquely so as to face above the transfer conveyor 5, and is pressurized by cylinders 43 and 44. When the material sent by the synchronized transfer conveyor 24 hits, the inclination causes the material on the synchronized transfer conveyor 24 to be pushed towards the transfer conveyor 5, and the material is transferred to the holding means 1.
Push it between 5 and 15'.

47 is a ruler provided inside the transfer conveyor 5 corresponding to the swinging arms 41, 42;
The holding means 15,1
Position it correctly between 5'.

Reference numeral 48 denotes a material jumping means provided at the rear of the straight-moving side of the transfer conveyor 5. When the remaining amount of material becomes so small that the product cannot be removed, the swinging arm 23 supporting the pressing roller 21 acts on the detector 49. The detector 49 rotates the material holding means 1 in order to
5, 15', the material gripped by the holding means 15, 15' jumps out to the waste material carry-out conveyor 50, and the holding means 15, 15' are emptied.

The apparatus shown in the embodiment includes a material holding means 1 on a material feeding table 9 at the starting end of a material transfer conveyor 5.
When the transfer conveyor 5 is operated with the materials gripped by the holding means 15 and 15', the material being gripped by the holding means 15 and 15' is pressed against the ruler by the pressing roller 21 when the conveyor table 9 moves straight on the side of the saw machine A. 4 and sent one after another to the position of the saw machine A, and sawed by the band saw 3. When the sawing is finished, it moves straight back in the opposite direction from the saw machine A, returns to the straight side, and starts the circular motion of going straight again. Due to repeated and continuous sawing, the amount of material remaining gradually decreases. Thereupon, the material feed conveyor 28 is operated to send the material toward the synchronized transfer conveyor 24 running parallel to the transfer conveyor 5 at a constant speed. Then, when the preceding material reaches the starting end of the positioning conveyor 29, the detector 36 detects this material, stops the motor 37 of the feed conveyor 28, and rotates the motor 38 of the positioning conveyor 29, so that the preceding material is positioned. It is sent to the conveyor 29, knocks down the pressing tool 30, passes over it and advances to the standby position,
The rear edge is engaged with the pusher tool 30. Along with this, the detector 39 detects the material and the positioning conveyor 29
The drive motor 38 is stopped and the material is placed in a standby position.

Therefore, when there is no remaining amount of material supported by either material holding means 15, 15', the detector 49 detects this, and when the jumping-out position is reached, the material is jumped out by the jumping-out means 48. Holding means 15,1
5' becomes empty and reaches the position of the detector 40 provided near the beginning of the synchronized transfer conveyor 24, the detector 40 detects that the holding means 15, 15' is empty and starts a timer (not shown). When activated and the empty material holding means 15, 15' move to a position directly facing the waiting material, the operation cylinder 31 of the pushing tool 30 is activated.
, and the pressing tool 30 is moved to the synchronized transfer conveyor 24.
Then, the new material is pushed onto the synchronized transfer conveyor 24 running parallel to the empty material holding means 15, 15' until it hits the ruler 35 and then retreated, so that the material is transferred to the synchronized transfer conveyor 24 and transferred to the transfer conveyor. When the swinging arms 41 and 42 reach the positions of the swinging arms 41 and 42, the swinging arms 41 and 42 move at the same speed as the transfer conveyor 5.
Due to the inclination toward Holding means 15,1
5', it is moved to the straight section of the transfer conveyor 5, and sent to the saw machine A to be sawn.

Further, when the material is transferred to the synchronized transfer conveyor 24 and the pushing tool 30 is moved backward, the motor 39 of the feeding conveyor 28 is activated by the detector 36, and the next material is transferred to the position of the detector 36 by the conveyor 28. As a result, the motor 37 stops and the motor 38
As the material rotates, the material is sent to the position of the detector 39 by the positioning conveyor 29, and when the motor 38 stops, it waits to be pushed out by the pushing tool 30, and then the empty material holding means 15, 15' occurs and moves in front of it, it is transferred to the synchronized transfer conveyor 24 by the pushing tool 30, and transferred to the transfer conveyor 5.
The material is delivered to the holding means 15, 15' by the swinging arms 41, 42 while running in parallel with the material, and the pushing tool 30 receives and waits for the next material, so the transfer conveyor 5 moves at a speed of 60 m/min or more. Even when the machine is traveling on the road, the material can be safely and reliably supplied to the material feeding table 9.

The apparatus according to the present invention uses a material feeding means and a pushing means to feed the material from the side to the synchronized transporting means that runs at a constant speed on the side of the material transporting means so that the material runs parallel to the transporting means, and during this time, the material Since the material is transferred from the synchronous transfer means to the feed table of the transfer means, the material is reliably fed to the feed table and continuous processing is performed even at high speeds of 60 m/min or more.
The operating rate of processing machines and work efficiency can be maximized.

By automating the supply of materials, we can make the work unmanned, reduce labor costs, and eliminate the dangers caused by artificially supplying materials.
Enables safe processing at low cost.

It has a unique effect.

[Brief explanation of drawings]

FIG. 1 is a plan view of a recirculating sawmilling device employing the device according to the present invention. FIG. 2 is an enlarged plan view of a part of the device. Figure 3 is a vertical sectional side view of the same as above.
FIG. 4 to FIG. 6 are explanatory diagrams of the material feeding state by the same device. In the figure, 5 is a material transfer means, 9 is a material feeding table, 24 is a synchronized transfer means, 30 is a material pushing means, 41,
42 is a transfer means.

Claims (1)

[Claims] 1. A transfer means that accepts and transfers the material from the side onto the material feeding platform while traveling at high speed, and a material that is installed on the side of this transfer means and runs in the same direction at a constant speed, and is fed onto it. a synchronized transfer means that runs in parallel with the material feeding table; a material feed means that sends the material to a standby position on the side of the starting end of the synchronized transfer means and makes it wait; a pushing means for rapidly pushing the material into the synchronous transfer means when the material feeding table is empty; and a means for transferring the material from the synchronous transfer means, which is fed into the synchronous transfer means and runs parallel to the material feeding table. An automatic material feeding device for a material feeding table that travels at high speed, characterized in that it is equipped with a transfer means for transferring the material onto the material feeding table.