JPS61189902A - Large-number cutting type wood planing machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention enables repeated cutting of wood many times, and also allows the cutting process to be stopped at any time and the wood to be taken out to the operator's hand. This invention relates to a woodworking silver disc that can be cut multiple times.

(Prior Art) As this type of silver disc for woodworking, there is one disclosed in Japanese Patent Publication No. 58-43242.

In this invention, when the wood to be processed is fed backwards at the working position, the wood is transported back and forth on the table by forward and reverse rotation of the material feeding member, and the cutting process is repeatedly performed using the planer blade. It was possible to take out the material at will, depending on the current state of the cutting process.

Therefore, it had the feature of being able to process wood with a large cutting allowance extremely efficiently. By the way, in this awamori, the removal of the wood at the end of the process was done using electric means. In other words, an electrical delay means is inserted only in the take-out process to temporarily shift the reversal timing of the material feeding member that is repeatedly driven forward and backward, thereby transporting the wood unnecessarily, and as a result, taking out the wood. This is how it was done.

After taking out the material, the material feeding member is rotated again in the normal rotation state, so that subsequent processing can be quickly performed.

(Problems to be Solved by the Invention) However, in the awamori of this invention, the motor continues to be driven in rotation until the next processing starts, which results in wasted power consumption. It had the disadvantage of high mechanical wear. Furthermore, when processing wood of different thicknesses, there are problems such as the wood inserted to adjust the feeding interval being pulled in incorrectly, and when the work is not done for a long time. There were inconveniences such as having to go to the trouble of operating the power switch to prevent danger.

The present invention aims to solve the various problems seen in the above-mentioned prior art, and provides a multi-cutting type awamori for woodworking that is energy-saving, highly operable, and highly safe. be.

(Tth means for solving the problem) In order to achieve the above object, the awamori for woodwork of the present invention has the following features:
A wood material comprising a material feeding member driven forward and backward by a reversible motor, a table to which a planer blade is attached, and a detection switch located outside the material feeding operation range of the material feeding member and in front of the planer blade. A means for detecting the end of the transport direction of the wood, a means for detecting the end of the transport direction of the wood consisting of a detection switch disposed behind the planer blade, an inversion delay circuit associated with each of the above end detection means, and an output of the inversion delay circuit. a forward/reverse switching circuit for driving the reversible motor in the forward or reverse direction; an erasing means for erasing the output of the termination detection means related to the rear detection switch by the output of the external operation switch; a cutoff circuit that is activated by the output of the end detection means associated with the detection switch; a start detection means that is associated with the front detection switch and outputs an output when detecting the start end of wood feeding; the output of the cutoff circuit; The present invention includes various configurations of a power supply operation circuit that rotates or stops the reversible motor in accordance with the output of the detection means.

(Function) When it is determined that the cutting process is completed after repeated cutting many times, the external operation switch is controlled and the output signal is used to drive the forward/reverse switching circuit that controls the drive of the material feeding member in the reverse direction. The wood is held at the side and the material feeding member is continuously rotated in the wood removal direction, thereby allowing the wood to be taken out to the worker's hand. At this time, the end of the wood in the material feeding direction is detected by the front detection switch outside the material feeding operation range, and the reversible motor is rotated to suppress wasteful electricity consumption as much as possible. During processing, this detection switch is used to drive the material feeding member in the feeding direction in a timely manner according to the starting end of the wood being fed, thereby improving operability in actual work.

(Example) Hereinafter, an example of the present invention will be specifically described based on the drawings.

FIG. 1 is a side view of a super-finished awamori to which the present invention is applied, in which 1 is a material carrying tape/l/2 is a knife stock provided in the center of the material carrying tape/I/1, and this knife stock 2 Attach fishing force 3 to. This fishing force 3 is attached with its cutting edge facing leftward in the figure, and cuts the wood W being transferred from the left to the right. 4 is the endless tape (L/) arranged on the upper side corresponding to the material feeding tape) Vl.
This material feeding member 4 has front and rear driven rollers 5.
and a drive roller 6 so as to be rotatable. 7 is a large number of presser rollers arranged corresponding to the feeding surface of the material conveying belt. M is a reversible motor linked to the drive roller 6 through an appropriate speed reduction means, and is configured to rotate the material feeding member 4 in the forward direction. Or it is driven in the reverse direction. Note that in the figure, when the drive roller 6 rotates clockwise and the material feeding member 4 travels leftward, that is, toward the rear, this is referred to as normal rotation, and this opposite rotation is referred to as reverse rotation. It is also assumed that the wood W is fed in or taken out from the right side, that is, from the front.

Sl is a photoelectric detection switch that irradiates a detection beam in front of the fishing force 3, and is located outside the material feeding operation range of the material feeding member 4. Sl is within the material feeding operation range of the material feeding member 4. A photoelectric detection switch S3 that irradiates a detection light beam to the rear of the fishing force 3 is a foot switch type externally operated switch disposed at the lumber W feeding position. Functionally, the front detection switch (hereinafter referred to as the front detection switch) Sl is used to detect the starting end of the wood W during feeding, to detect the end of the wood W being transported rearward, and It is output only when the terminal end of the wood W being transported forward (the same part as the starting end of the wood at the time of feeding) is detected. A rear detection switch (hereinafter referred to as a rear detection switch) 82 is configured to output an output when detecting the end of the wood W being transported forward. SL outputs an output when the operation is performed, and the rear detection switch S2
The output of

FIG. 2 is a clock diagram for controlling the drive of the reversible motor M, where 10 is a relay contact that is inserted into the power circuit of the reversible motor M and turns on or off the power, and 11 is a relay contact that is also inserted into the power circuit and is connected to the reversible motor M. Relay contacts 12 and 13 for driving M in forward or reverse rotation are end detection means connected to detection switches Sl and Sl, respectively, and are output when detecting the end of the wood W in the transport direction. 14 and 15 are inversion delay circuits that operate in response to the output of the end detection means 12 and 13, which provide an appropriate time lag from the end detection to the forward/reverse switching of the reversible motor M, and invert the wood W at an appropriate position. It is something that allows people to do this. 16 is a flip-flop whose set input is the output of the inverting delay circuit 14 on the front detection switch SI side, and whose reset input is the output of the inverting delay circuit 15 on the rear detection switch S2 side. Configures a reverse switching circuit. Reference numeral 17 denotes a relay coil connected to the output end of the forward/reverse switching circuit 16, which switches the relay contact 11. Reference numeral 20 denotes an erasing means operated by the output of the external operation switch S3 and the output of the termination detection means 13, and the output of the termination detection means 13 is used as a reset input for the forward/reverse switching circuit 16! The forward/reverse switching circuit 16 is held on the set side. Reference numeral 21 denotes a cutoff circuit that is output when receiving the input/output of the externally operated switch S3 via the erasing means 20 and the output of the termination detection means 12, and this cutoff circuit 21 cuts off a power supply circuit to be described later. Reference numeral 22 denotes a flip-flop which is connected to the front detection switch S1 and which uses the output of the start-end detection means 22 as a set input and the output of the cutoff circuit 21 as a reset input. 23.

Reference numeral 24 denotes a relay coil connected to the output end of the power supply operation circuit 23, which opens and closes the relay contact 10 of the power supply circuit. In addition, the power supply operation circuit 23 outputs an output based on the set input from the start end detection means 22, and outputs the output to the reversible motor M[? [Turn on the source.

Next, the operation of the above embodiment will be explained.

After adjusting the material feeding interval formed between the material feeding tape/I/1 and the material feeding member 4 to the thickness of the wood W and taking into account the processing cost of the processed part, the wood W is placed at the working position. Feed the material onto the feeding tape IV l. In this way, the front end is detected by the front detection switch S1, and an output signal is inputted to the set side of the power supply operation circuit 23 via the start end detection means 22. Therefore, the relay coil 24 is excited, the relay contact 10 is closed, and the reversible motor M is driven in the normal rotation direction. Since the forward rotation of the reversible motor M also rotates the material feeding member 4 in the same direction, the wood W is
If the wood W is fed further, the wood W will be automatically transferred rearward by the action of the material feeding member 4.

When the end of the wood W passes through the front detection switch Sl, an output signal is generated. This output is input to the set side of the forward/reverse switching circuit 16 via the inversion delay circuit 14, and thereafter, the set input excites the relay coil /l/17, switches the relay contact 11, and switches the reversible state. The direction of rotation of the motor M is reversed from normal rotation to reverse rotation. Here, since there is a predetermined time lag between the end detection and the reversal of the reversible motor M by the reversal delay circuit 14, the wood W is fed further backward from the detection position, completely passes through the power source 3, and reaches its destination. By the way, it will be reversely transferred to the front. Then, during this forward transport, cutting is performed by the power 3.

When the end of the wood W being transported forward is detected by the rear detection switch, this output signal is input to the reset side of the forward/reverse switching circuit 16 via the inverting delay circuit 15. For this reason, the relay carp) v17 is demagnetized, the relay contact 11 is switched, and the reversible motor M is reversed from reverse rotation to normal rotation.

In this case, as in the backward feeding stroke, there is a time lag from detection of the end to reversal 1 of the motor, so the wood W completely passes through the force 3 and is transported backward again. During this time, one cutting process is performed.

The above transfer operation is repeated and the wood W is transferred reciprocatingly and cut many times. Then, when it is determined that the machining is completed based on the relationship between the cutting allowance of power 3 and the machining allowance of the wood, the external operation switch S3 is controlled. In this way, the operation signal is input to and output from the erasing means 20, and furthermore, the terminal end of the thick material f1-, x is outputted from the end detecting means 1'2 to the erasing means 20, and these output signals As a result, the erasing means 20 is activated, and the forward/reverse switching circuit 16 is held on the set side. Therefore, the reversible motor M continues to rotate in reverse, and the wood W is delivered to the operator's hand.

Further, when the end of the wood W to be fed comes off the material feeding member 4 and is detected by the front detection switch S1, the output of the erasing means 21 is inputted to the cutoff circuit 21, and the cutoff circuit 21 causes the power to be turned off. The operation circuit 23 is set to the reset side. Therefore, the p-relay contact 10 is opened by the relay coil 24, and the reversible motor M is stopped from being driven.

Then, by inspecting the machined surface of the wood taken out, and if processing is complete, move on to processing the next piece of wood, and if the wood is not cut enough, repeat the above-mentioned back-and-forth transfer, making the work extremely efficient and energy-saving. be able to.

In the above embodiment, the rear detection switch S2 is set to Ginten 3.
Although it is provided within the material feeding operation range of the material feeding member 4 at the rear of the material feeding member 4, it can be provided outside the material feeding operation range if it is in the vicinity thereof, or it can be provided close to the silver top before and after it. Furthermore, the inversion delay circuit may adopt not only the time control method but also the travel distance control method, and a specific example of the structure is the one disclosed in the invention of Japanese Patent Publication No. 58-6601. Can be adopted as appropriate.

In addition to super-finishing awamori, the present invention is an automatic awamori of a type in which a rotating fishing force is provided on the table surface and a material feeding member is arranged opposite to the table surface, and a rotating fishing force is arranged opposite to the table surface. It can be applied to automatic awamori of a type in which material feeding members are disposed before and after the ginten.

(Effects of the Invention) As is clear from the description of the embodiments above, according to the present invention,
When the wood that has been cut an arbitrary number of times is taken out to the working position, the rotation of the reversible motor can be stopped in a timely manner, and the reversible motor can be started in a timely manner when the wood is being fed. This makes it possible to rationally achieve energy-saving operation by minimizing the drive of unneeded motors. In addition, the switch can be operated in a timely manner in accordance with the actual work, providing excellent operability and allowing for safe work.

[Brief explanation of drawings]

FIG. 1 is a side view of a super-finished awamori to which the present invention is applied. FIG. 2 is a block diagram showing an embodiment of the present invention. 1: Material feeding tape/L/3: Planer blade 4: Material feeding member M: Reversible motor W: Wood

Claims (1)

[Claims] A material feeding member driven forward and backward by a reversible motor, a table to which a plane blade is attached, and a detection switch located outside the material feeding operation range of the material feeding member and in front of the plane blade. a means for detecting an end in the direction of transport of wood, a means for detecting an end in the direction of transport of wood consisting of a detection switch disposed behind the planer blade, an inversion delay circuit associated with each of the above end detection means, and a reversal delay circuit. a forward/reverse switching circuit that drives the reversible motor in the forward or reverse direction based on the output; an eraser that erases the output of the termination detection means associated with the rear detection switch based on the output of the external operation switch; and an output of the external operation switch. and a cutoff circuit that is activated by the output of the end detection means associated with the front detection switch; a start end detection means that is associated with the front detection switch and outputs when detecting the start end of wood feeding; and the output of the cutoff circuit. A multi-cutting type woodworking planer, characterized in that it is equipped with a power supply operation circuit that rotates or stops a reversible motor in accordance with the output of the start end detection means.