JPS644482Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a structure for removing a rotary lace stripping core in a rotary lace device for scraping raw wood to obtain a thin veneer, and a chucking spindle that chucks both ends of raw wood 1 to rotate it. 2
and a knife 3 that presses against the rotating log 1 to rotary slice the log 1, and a knife 3 that is arranged below the log 1 so that it can be driven up and down, and after the rotary slicing is completed, it moves upward and rotates the log 1 into the rotary slice. A lifting head 5 that supports the lower part of the stripped core 4 and descends after the chuck by the chucking spindle 2 is removed;
A bending prevention tool 11 that presses the upper part of the stripped core 4 when the lower part of the core is supported by the lifting head 5.
Then, the stripped core 4 is transferred from the lowered lifting head 5 arranged below the raw wood 1, and the taken-out conveyor 7 transports the stripped core 4 to the stripped core discharge conveyor 6.
This relates to a rotary lace device characterized by comprising:

When discharging the stripped core 4 of the log 1 that has finished the rotary race, conventionally the chucking spindles 2 and 2, which chuck both ends of the log 1, are rotated and moved backwards to remove the chuck, and the old tires are removed. The stripping core 4 was dropped onto a stripping core 8, bounced, and placed on a stripping core discharge conveyor 6 as shown in FIG. However, in this case, when bouncing on the old tire 8, the worker's safety is threatened and the stripping core 4 may be broken or damaged. Since this is only done by retracting the king spindles 2 and 2, there is a possibility that only one of the king spindles 2 will come off, but the other one will not come off and fall in an inclined position.In this case, there is a risk of breakage or scratches. The probability was high.

The present invention has been made in view of the above points, and provides a rotary lace device that does not have the risk of breaking or damaging the stripped core and allows the removal of the stripped core in a safe manner. The purpose is to

The present invention will be explained in detail below with reference to examples. FIG. 2 is a front view showing the general structure of the rotary lace device of the present invention, and FIG. 3 is a side view of the same, in which chuck spindles 2, 2 are provided on both sides. The chucking spindles 2, 2 are rotationally driven by a motor or the like, and are freely driven forward and backward in and out directions. A lifting head 5 is disposed at the bottom of the device, and the lifting head 5 is driven up and down by a drive cylinder 9. In addition, at the top of the device, a pair of bending preventive devices 11 are attached to the tip of a drive rod 10 that is rotated up and down.
is provided. 7 is a take-out conveyor provided at the bottom of the apparatus, and 6 is a stripping core discharge conveyor placed ahead of the take-out conveyor 7.

Therefore, when performing rotary lace with the above device, both ends of the log 1 are chucked by the chucking spindles 2, 2, and the log 1 is rotated around the axis by the chucking spindles 2, 2. This is done by driving the knife 3 and pressing it against the outer periphery of the log 1. Log 1 like this
The veneer 12 obtained by rotary slicing is rolled up using a device as shown in FIG. The device shown in FIG. 4 includes a winding roll 13 made of steel, and a balance conveyor that can freely swing in the direction of the arrow to feed the veneer 12 sliced from log 1 and sandwich the veneer 12 between the winding roll 13. 14 and wrapping roll 1
A winding lever 16 is rotatably attached to the axis of 3 and is extendable and has a roller 15 at its tip.
and a tip detection phototube 17. The operation of this device will be explained. The veneer 12 sliced from the raw wood 1 is sent to be picked up by the balance conveyor 14, and is inserted between the balance conveyor 14 and the winding roll 13 by the action of the insertion guide plate 18, so that the veneer 12 is unrolled as shown in FIG. 5a. When the tip of the plate 12 reaches the tip detection phototube 17, the tip detection phototube 17 causes the winding lever 16 to contract and rotate upward as shown in FIG. Wrap the tip end around the winding roll 13. After that, the veneer 1 is placed on the wrapping roll 13 by rotation of the wrapping roll 13.
2. balance conveyor 14
By adjusting the pressing force applied to the winding roll 13, the degree to which the veneer 12 is wound onto the winding roll 13 can be adjusted. In this way, the winding of the veneer 12 onto the winding roll 13 can be carried out automatically and completely, making it possible to save manpower, and also by performing the operations shown in FIG. 5 a, b, and c above. By repeating this using the same winding roll 13, it becomes possible to wrap a plurality of veneers 12 around the winding roll 13, and even if the veneer 12 breaks midway, it can be wrapped around the winding roll 13 again from above. It becomes possible.

Next, in order to remove and discharge the stripped core 4 that has finished rotary lacing the raw wood 1 from the device, first operate the drive cylinder 9 to raise the lifting head 5 and move the chuck spindles 2 and 2.
Press the bottom surface of the stripped core 4 that has been checked. At the same time, the drive rod 10 rotates downward to lower the bending prevention tool 11 and press the top surface of the stripping core 4. The bending prevention tool 11 prevents the stripped core 4 from bending. With the stripping core 4 held by the lifting head 5 and the bending prevention device 11 in this manner, the chucking spindles 2, 2 are moved back to remove the chuck. Next, the driving cylinder 9 is actuated to lower the lifting head 5, and the stripped core is taken out and transferred onto the conveyor 7. After this, the stripped core 4 is taken out by the take-out conveyor 7 and the stripped core 4 is transferred to the stripped core discharge conveyor 6.
and is discharged by a stripped core discharge conveyor 6.

As mentioned above, according to the present invention, the stripped core after rotary slicing of the raw wood is held in the lifting head and transferred to the take-out conveyor, and from the take-out conveyor, it is sent to the stripped core discharge conveyor and discharged. , there is no risk of the stripped core being broken or damaged as in the case of bouncing it with an old tire as in the past, and it can be used for other purposes than stripped core, and there is no operational danger. It is. In addition, since the chuck of the chucking spindle can be removed while holding the stripping core with the lifting head, there is no risk of only one chucking spindle coming off and the stripping core being tilted, thereby preventing breakage or scratches. It can be prevented more reliably, and it is also equipped with a bending prevention device that presses the top of the stripped core when the lower part of the stripped core is supported by the lifting head, so that the bending prevention device can prevent the stripping core from being lifted when the lifting head lifts it. The holding down prevents the stripped core from bending or becoming unstable, and the lifting head can stably hold the stripped core.

[Brief explanation of the drawing]

Fig. 1 is a front view of a conventional example, Fig. 2 is a front view schematically showing an embodiment of the present invention, Fig. 3 is a side view of the same, and Fig. 4 is a schematic diagram of a veneer winding device. FIGS. 5a, 5b, and 5c are front views showing the operation of the same device. 1...Log, 2...Chat King Spindle,
3...knife, 4...stripping core, 5...lifting head, 6...stripping core discharge conveyor, 7...take-out conveyor, 11...bending prevention device.

Claims (1)

[Scope of utility model registration request] A chucking spindle that chucks and rotates both ends of the log, a knife that presses against the rotating log and rotary slices the log, and a knife that is placed below the log so that it can be driven up and down, and after the rotary slicing is completed. A lifting head that moves up to support the lower part of the stripping core where the log has been rotary sliced and descends after the chuck by the chucking spindle is removed, and a lifting head that moves up to support the lower part of the stripping core where the log has been rotary sliced. It is characterized by being equipped with a bending prevention device that presses the upper part of the core, and a take-out conveyor that is arranged below the raw wood and transfers the stripped core from a lowered lifting head to a stripped core discharge conveyor. A rotary lace device.