JPH0890502A - Apparatus and method for cutting - Google Patents

Abstract

PURPOSE: To prevent the interruption of working due to the stop of moving an object to be worked at the time of switching a mode by continuing the forward rotation of a forward/reverse rotation motor by a controller until at least one directional cutting operation is finished when an inverting cutting mode is input during the cutting in one direction cutting mode. CONSTITUTION: A timber 10 is cut by the scraper knife 6 of a head 4 while being carried by a forward/reverse rotary carrying belt 8 on a table 2. The belt 8 is driven by the forward or reverse rotation of a forward/reverse rotation motor 12, moved in one direction by the forward rotation and cut. When an inverting cutting mode is input to the controller, the controller continues the forward rotation of the motor in the one direction mode, and continues it when the one direction cutting operation is finished. Thereafter, the motor is reversed in the inverting cutting mode. Thus, even if the mode is switched during the cutting operation, the operation is not interrupted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting apparatus and a cutting method, and more particularly to a cutting apparatus and a cutting method relating to control when mode switching is performed during a cutting operation.

[0002]

2. Description of the Related Art As a conventional technique for a cutting apparatus and a cutting method, there is a superfinishing plane described in Japanese Utility Model Publication No. 60-30007. The outline of this super finishing plane is shown in FIG. The table 80 is provided with a plane blade 89, and the workpiece 10 is cut by the plane blade 89.

A lifting member 81 is located above the table 80, and the workpiece 10 is inserted between the table 80 and the lifting member 81. The elevating member 81 has a material feeding belt 84, and the work 10 is moved on the table 80 by the arrow 90 or 9 by the feed rotation operation of the material feeding belt 84.
Move in one direction.

The material feeding belt 84 is attached to a driving roller 84a and a driven roller 84b. Then, the drive roller 84a rotates in the forward or reverse direction in conjunction with the rotation of the reversible motor (not shown). That is, the workpiece 10 moves on the table 80 in the direction of arrow 90 or 91 depending on the rotation direction of the reversible motor. By operating the lifting handle 82, the lifting member 81 is raised and lowered,
The pressure of the elevating member 81 is adjusted to be appropriately applied to the work material 10.

As the material feeding belt 84 rotates, the material 10 to be processed is repeatedly inverted and moved in the directions of arrows 90 and 91 on the table 80 and cut by the plane blade 89. The control of the reversal movement is performed based on the detection signal from the detector 83 provided on the elevating member 81. The detector 83 detects the end of the workpiece 10 and outputs a detection signal. It is also possible to move the work material 10 only in one direction of the arrow 90 for cutting.

FIG. 13 is a logic circuit diagram of this conventional example. By switching the cutting number setting switch 86, it is possible to set and input the number of times the workpiece 10 is inverted.

[0007]

The conventional cutting apparatus and cutting method have the following problems. As described above, by switching the cutting number setting switch 86 shown in the logic circuit diagram of FIG. 13, the number of times the workpiece 10 is inverted is set and input.

Here, there is a case where the cutting number setting switch 86 is switched during the cutting work of the workpiece 10 to correct the number of inversions. In such a case, in the conventional cutting apparatus and method, the rotation direction of the reversible motor changes immediately in response to the switching input.

For example, when the workpiece 10 is moved on the table 80 in the direction of the arrow 91 and cut by the mode of reversing movement (see FIG. 12), it is assumed that the mode is switched to the one-way movement mode. In the conventional cutting apparatus and method, in response to this switching, the workpiece 10
Stops moving immediately, reverses and moves in the direction of arrow 90 (one-way movement). As described above, if the movement direction is switched during the cutting of the work material 10, there is a problem that the cutting surface of the work material 10 is damaged.

Further, when the unidirectional movement mode is set and the workpiece 10 is switched to the reversing movement mode while moving in the direction of arrow 90, the conventional cutting apparatus and method, for example, reversible. The rotation of the electric motor stops. In this case, the workpiece 10 has to be removed from between the table 80 and the elevating member 81, which causes a problem that work efficiency is reduced.

Therefore, according to the present invention, even when the mode is switched during the cutting operation, the working efficiency is not lowered, the object to be machined is not damaged, and the efficiency of the cutting work is further improved. An object of the present invention is to provide a cutting apparatus and a cutting method that can be performed.

[0012]

A cutting apparatus according to a first aspect of the present invention comprises a table on which an object to be processed is placed, a feed mechanism for moving the object to be processed on the table, and a forward / reverse drive motor for driving the feed mechanism. The forward / reverse rotation to control the moving direction of the feed mechanism to move the workpiece in the forward or reverse direction on the table, forward / reverse drive motor, cutting blade for cutting the workpiece, one-way movement A cutting mode or a mode selection means for selectively inputting a reversing movement cutting mode in which a reversing number of 1 or 2 or more is inputted, both end reference positions of an object to be reversibly moved by performing forward rotation and reverse rotation. The detection unit that detects the forward rotation of the forward / reverse drive motor when the unidirectional movement cutting mode is selected, and the end that the detection unit detects when the reverse movement cutting mode is selected. Based on the reference position, a cutting device provided with a control unit for normally or reversely number of times the forward and reverse driving motor in response to the inverted number of times specified,
When the reverse movement cutting mode is input during the cutting operation according to the one-direction movement cutting mode, the control unit continues the forward rotation of the forward / reverse drive motor until at least the one-direction movement cutting operation is completed, and the reverse movement is performed. When the unidirectional movement cutting mode is input during the cutting operation according to the cutting mode, the control unit drives the reversing movement cutting mode according to the reverse movement cutting mode at least until the detection unit detects the next end reference position. The feature is that the rotation of the motor is continued.

A cutting apparatus according to a second aspect is the cutting apparatus according to the first aspect.
In the cutting apparatus according to (1), a discharge detection unit that detects that the object to be processed is discharged by the reverse rotation of the forward / reverse drive motor is provided, and the control unit receives the detection signal of the discharge detection unit The feature is that the drive motor is normally rotated.

According to a third aspect of the present invention, there is provided a cutting method according to a selection input of a one-way moving cutting mode or a reversing moving cutting mode in which one or more reversing times are designated.
In the cutting method that moves the workpiece in the forward or reverse direction on the table to perform cutting, if the reverse movement cutting mode is input during the cutting operation according to the one-direction movement cutting mode, at least one direction movement cutting If the one-way movement cutting mode is input during the cutting operation according to the reversing movement cutting mode, the movement in the forward direction is continued until the operation is completed, and at least the movement in the forward direction or the reverse direction at the time of the input is continued. , Is characterized.

[0015]

In the cutting apparatus according to the first aspect, when the reverse movement cutting mode is input during the cutting operation according to the one-direction movement cutting mode, the control unit waits at least until the one-direction movement cutting operation is completed. Continues forward rotation of the forward / reverse drive motor. When the one-way moving cutting mode is input during the cutting operation according to the reversing moving cutting mode, the control unit follows the reversing moving cutting mode at least until the detecting unit detects the next end reference position. Continue to rotate the forward / reverse drive motor.

In this way, even if another mode is input during the cutting operation, at least the rotation direction of the forward / reverse drive motor at the time of mode switching input is maintained. Therefore, for example, the rotation of the forward / reverse drive motor does not stop and the work is not interrupted, and the rotation direction of the forward / reverse drive motor suddenly reverses when the workpiece is cut halfway, The cut surface of the object is not scratched.

In the cutting apparatus according to claim 2,
A discharge detection unit is provided for detecting that the workpiece is discharged by the reverse rotation of the forward / reverse drive motor, and the control unit receives the detection signal from the discharge detection unit and causes the forward / reverse drive motor to rotate normally.

As described above, immediately after the object to be processed is discharged, the forward / reverse drive motor rotates in the normal direction and can stand by in preparation for cutting the next object to be processed.

In the cutting method according to claim 3,
When the reverse movement cutting mode is input during the cutting operation according to the one-direction movement cutting mode, the movement in the positive direction is continued until at least the one-direction movement cutting operation is completed. Further, when the one-direction moving cutting mode is input during the cutting operation according to the reverse moving cutting mode, at least the forward or reverse movement at the time of the input is continued.

Thus, even if another mode is input during the cutting operation, at least the moving direction at the time of mode switching input is maintained. For this reason, for example, the movement of the work piece does not stop and the work is not interrupted. Also, the movement direction suddenly reverses when the work piece is partially cut, and the cutting surface of the work piece is damaged. Does not occur.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a cutting apparatus and a cutting method according to the present invention will be described with reference to the drawings. FIG. 1 shows an overall schematic view of the cutting device.

The head 4 is supported by the columns 20 and 21 on the table 2, and the wood 10 which is the object to be processed is inserted between the table 2 and the head 4. Table 2
A driving roller 8a and a driven roller 8b are provided inside, and a material feeding belt 8 is provided on both rollers.

The material feeding belt 8 is for moving the wood 10 on the table 2, and the driving roller 8a, the driven roller 8b, and the material feeding belt 8 for moving this are the feeding mechanism in the present invention. The drive roller 8a is interlocked with the material feeding motor 12 as a forward / reverse driving motor, and the wood 10 moves on the table 2 in the directions of arrows 90 and 91 in accordance with the forward / reverse rotation of the material feeding motor 12. The feeding motor 1
The rotation of No. 2 is reduced by the speed reducer 28 so that the drive roller 8
is transmitted to a.

The head 4 is provided with a plane blade 6 as a cutting blade, and the plane blade 6 cuts the wood 10. The plane blade 6 is turned in a direction in which it can be cut with respect to the wood 10 according to the moving direction of the wood 10. A screw shaft 22 is screwed into the head 4, and the screw shaft 22 is rotated by a lifting motor 24 in the table 2. The head 4 can be moved up and down by rotating the screw shaft 22, and the wood 10 can be cut with the plane blade 6 by applying an appropriate pressure. The head 4 may be raised and lowered by manually rotating the handle instead of the raising and lowering motor 24.

The head 4 is provided with a first detector 14 and a second detector 16 as a detector. The first detector 14 and the second detector 16 are composed of limit switches, and are turned on when the wood 10 being fed and moved pushes up the detection rollers 14R and 16R, respectively.
become. That is, the first detector 14 and the second detector 1
Reference numeral 6 is a detector according to the present invention, which detects the end of the wood 10 moving on the table 2 in the directions of arrows 90 and 91.

The head 4 is also provided with a third detector 18. The third detector 18 is also composed of a limit switch, and is turned on when the detection roller 18R is pushed up. When all of the first detector 14, the second detector 16, and the third detector 18 are OFF, it is recognized that the cut wood 10 is discharged. That is, the first detector 14, the second detector 16, and the third detector 18 are emission detectors in the present invention.

As shown in FIG. 1, the table 2 is provided with an operation panel 26. Details of the operation panel 26 are shown in FIG. A mode button 60 as a mode selection means,
Reference numerals 61, 62 and 63 are buttons for selecting and inputting a material feeding movement mode. When the mode button 60 is pressed, the one-way movement mode is selected, and when the mode buttons 61, 62, 63 are pressed, the reverse movement mode is selected. The mode button 61 is reversed once, the mode button 62 is reversed twice, the mode button 6
3 is inverted three times.

For example, when the mode button 60 is pressed,
The material feeding motor 12 rotates in the normal direction, and (a) → (a) → in FIG.
As shown in (c), the wood 10 is in the direction of arrow 90 (forward direction).
Sent in one direction and discharged.

On the other hand, when the mode button 61 is pressed, first, the material feeding motor 12 is rotated in the normal direction to move from (d) in FIG.
As shown in (e), the wood 10 is in the direction of arrow 90 (forward direction).
Sent to After that, the material feeding motor 12 reversely rotates (f)
As shown in, the feeding direction is reversed, and the wood 10 is fed in the direction of arrow 91 (reverse direction). And (ki) →
As indicated by (X), the sheet is discharged in the direction of arrow 91. That is, when the mode button 61 is pressed and the once inversion is selected, the wood 10 is (d) → (e) → (f) → (ki) →
It is sent and cut in the order of (K).

When the double-reverse movement mode of the mode button 62 is selected, the wood 10 is changed to (e) → (e) → (f) in FIG.
→ (ki) → (ku) → (o) → (f) → (ki) → (ke) are sent in this order and discharged. In addition, when the three-time inversion movement mode of the mode button 63 is selected, the wood 10 is (e) → (e) → (f) → (ki) → (h) → (e) → of FIG.
(F) → (K) → (K) → (E) → (F) → (K) →
It is sent in the order of (k) and discharged.

The above-mentioned inversion position is timer-controlled on the basis of the detection signal from the first detector 14 or the second detector 16, the details of which will be described with reference to the following flow chart. The reverse position is adjusted by operating the reverse position setting unit 65 of the operation panel 26. The stop button 64 on the operation panel 26 is for stopping the drive of the material feeding motor 12, and the up button 66 and the down button 67 are for controlling the rotation of the elevating motor 24 and adjusting the height of the head 4. It is a thing. In addition, FIG. 5 shows a circuit diagram of a main part of the cutting apparatus in the present embodiment.

Next, FIG. 6, FIG. 7, FIG. 8, FIG. 9, FIG.
Specific processing contents of the material feeding operation will be described based on the flowchart of FIG. First, when the power is turned on, FIG.
As shown in, the input states of the mode buttons 60, 61, 62, 63 are read (step S2), and when the mode button 60 is pressed to select the one-way movement mode, the one-way movement mode process is executed (step S2). S4, S6). Also,
When any one of the mode buttons 61, 62, 63 is pressed and the reverse movement mode is selected, the reverse movement mode process is executed (steps S8, S10).

FIG. 7 is a detailed flowchart of step S2. If the mode button 60 for selecting the one-way movement mode is pressed, the process proceeds from step S12 to S14 to set the one-way movement mode and reset the reverse movement mode. If the mode button 61 for selecting the one-time inversion movement mode is pressed, step S1
The process proceeds from 6 to S18 to set the reversing movement mode and reset the one-way movement mode. Then, at this time, the number of inversions is set to "1", and the main control unit 69 (FIG. 5)
"1" is stored in the internal memory.

Mode button 6 for selecting the two-time reverse movement mode
If 2 is pressed, steps S20 to S22
Go to and set the reverse movement mode and reset the one-way movement mode. Then, at this time, the number of inversions is set to "2" and "2" is stored in the memory in the main control unit 69 (FIG. 5).

Similarly, when the mode button 63 for selecting the three-time reverse movement mode is pressed, the process proceeds from step S24 to S26 to set the reverse movement mode and reset the one-way movement mode. Then, at this time, the number of inversions is set to "3" and "3" is stored in the memory in the main control unit 69 (FIG. 5).

Next, the contents of the one-way movement mode process (step S6 of FIG. 6) will be described with reference to FIG. When it is determined that the one-way movement mode is selected in step S4 of FIG. 6 and the process proceeds to step S6, the main control unit 69 of FIG. 5 first causes the feeding motor 12 to rotate normally (step S28).
According to the forward rotation of the material feeding motor 12, (a) in FIG.
As shown in (a), the wood 10 is fed in the direction of arrow 90.

The main controller 69 reads the input state of the mode button while feeding the wood 10 in the direction of arrow 90, and determines whether or not the one-way movement mode is continuously selected (steps S30 and S32). . Here, the mode button may be reselected during the cutting operation of the wood 10 to correct the movement mode. Now, suppose that the movement mode is corrected in the state of (a) in FIG. 3, and the mode button 61 (FIG. 2) for selecting the once-inversion movement mode is pressed, for example.

In this case, steps S32 to S
34, read the input state of the mode button, wood 10
Is discharged in the direction of arrow 90 (step S36). Specifically, it recognizes that none of the first detector 14, the second detector 16, and the third detector 18 outputs a detection signal, and determines that the wood 10 has been discharged.

As described above, in this embodiment, even if the reverse movement mode (another mode) is input during the cutting operation in the one-way movement mode, the rotation of the material feeding motor 12 is stopped and the work is interrupted. Instead, the wood 10 can be reliably cut and discharged. This makes it possible to avoid a reduction in work efficiency.

Next, the contents of the reverse movement mode process (step S10 in FIG. 6) will be described with reference to the flowcharts in FIGS. 9, 10 and 11. In step S8 of FIG. 6, it is determined that the reverse movement mode is selected, and step S1
When the process proceeds to 0, the main control unit 69 in FIG. 5 first causes the material feeding motor 12 to rotate normally (step S38). Material feeding motor 12
As shown in FIGS. 4D and 4E, the wooden piece 10 is fed in the direction of arrow 90 in accordance with the normal rotation of FIG.

The main controller 69 reads the input state of the mode button while feeding the wood 10 in the direction of the arrow 90, and determines whether or not the state in which the reverse movement mode is selected continues (steps S40 and S42). Here, it is assumed that the movement mode is corrected in the state of (e) in FIG. 4 and the mode button 60 (FIG. 2) for selecting the one-way movement mode is pressed.

In this case, the process returns to step S2 of the flow chart of FIG. 6, proceeds to step S4, recognizes that the one-way movement mode is selected, and executes the above-mentioned one-way movement mode process (FIG. 8). . As a result, Figure 4 (e)
The wood 10 that has moved to the state is discharged as it is in the direction of the arrow 90 as shown in FIG.

If the movement mode is not switched at the stage of step S42, the process proceeds to step S44, and it is determined whether or not the first detector 14 is switched from ON to OFF. As described above, the first detector 14 is provided on the head 4 on the insertion side of the wood 10 (see FIG. 1).
It is turned on by inserting 0 and pushing up the detection roller 14R. Then, the wood 10 is shown in FIG.
(E) By moving in the direction of arrow 90, it eventually comes out of contact with the detection roller 14R and is turned off. In step S44, this change from ON to OFF is recognized and the timer in the main controller 69 is started (step S44).
46).

After this, the main control section 69 reads the input state of the mode button and determines whether or not the state in which the reverse movement mode is selected continues (steps S48, S5).
0). If the unidirectional movement mode has been selected, step S in the flowchart of FIG. 6 is performed as described above.
Returning to step 2, the wood 10 is discharged in the direction of arrow 90 as shown in FIG.

If the movement mode has not been switched at step S42, the process proceeds to step S52 to determine whether or not the timer started at step S46 has reached a preset value. When the time is up, the forward rotation of the material feeding motor 12 is stopped (Fig. 10,
Step S54). Then, if the second detector 16 is ON, the material feeding motor 12 is reversed (steps S56, 5).
8).

That is, when the timer started from the time when the first detector 14 is turned off (step S44) reaches the predetermined timer value (step S46), the material feeding motor 12 is rotated in the reverse direction to move the wood 10 Move it upside down like 4 (F). This timer value can be arbitrarily set by changing the voltage value of the variable resistor 68 shown in FIG. The voltage value of the variable resistor 68 is changed by operating the reversal position setting unit 65 (FIG. 2) on the operation panel 26.

As for the timer value, the wood 10 moving in the direction of arrow 90 passes through the second detector 16 and the second detector 16 is turned on.
And the wood 10 is adjusted and set so as to be inverted when the wood 10 is positioned on the material feeding belt 8. If the set timer value is too large and the wood 10 passes through the second detector 16 and the second detector 16 is turned off, the process proceeds from step S56 to S68, and the feeding motor 12
Is again rotated normally and the wood 10 is discharged in the direction of arrow 90.

In this embodiment, the material feeding motor 12 is rotated in the reverse direction based on the preset timer value. However, the number of pulses may be set in advance, the rotation amount of the material feeding motor 12 and the drive signal to the material feeding motor 12 may be counted, and the rotation may be reversed when both values match. Instead of changing the voltage value of the variable resistor 68, the timer value or the number of pulses may be set in a ROM in the main control unit 69 through a digital switch.

After the material feeding motor 12 is rotated in the reverse direction in step S58, the main control section 69 reads the input state of the mode button and determines whether or not the second detector 16 is switched from ON to OFF (step S62). . The second detector 16 is wood 1.
It is provided on the head 4 on the opposite side of 0 (see FIG. 1), and the wood 10 is turned on by pushing up the detection roller 14R.

The wood 10 is shown in FIG.
By moving in the direction, the detection roller 16R
It becomes non-contact and turns off. In step S62, the change from ON to OFF is recognized, and then in step S6.
It is determined whether or not the mode read at 0 is the reverse movement mode (step S64).

If the mode has been switched to the one-way movement mode, the process proceeds to step S68, and when the wood is discharged in the direction of arrow 91 as shown in FIG.
The reverse rotation of No. 2 is stopped (step S70). In particular,
First detector 14, second detector 16 and third detector 18
Recognizing that none of these outputs a detection signal, it is determined that the wood 10 has been discharged.

After the reverse rotation of the material feeding motor 12 is stopped, the material feeding motor 12 is normally rotated (step S72), and the process returns to step S2 in the flowchart of FIG. In this way, the feeding motor 1
Reverse 2 to eject wood 10 in the direction of arrow 91,
Upon recognizing that the detector 18 is turned off, the feed motor is immediately rotated in the normal direction. As a result, the next wood 10
It is possible to stand by in preparation for cutting, and it is possible to improve work efficiency.

As described above, in this embodiment, the material feeding motor 12
Even if the mode is switched to the one-way movement mode in the state where the sheet feeding is reversed, the rotation direction of the material feeding motor 12 is not immediately reversed. That is, even if the switching of the movement mode is recognized in step S64, the reverse rotation of the material feeding motor 12 is continued until the wood 10 is discharged. As a result, the rotation of the material feeding motor 12 is suddenly reversed, and the cut surface of the wood 10 is not scratched.

If the movement mode has not been switched at the stage of step S64, the process proceeds to step S66,
It is determined whether or not the number of inversions set in step S14, S18, S22 or S26 of FIG. 7 has been completed. For example, if the once-reverse movement mode is selected,
At this point, the number of inversions has been completed, so step S68
In step S70, S72, the lumber 10 is discharged in the direction of arrow 91 as described above, the reverse rotation of the material feeding motor 12 is stopped, and normal rotation is performed (steps S70 and S72).

If the two-time or three-time reverse movement mode is selected, the process proceeds to step S74 of FIG. 11 and the timer is started as in step S46 described above.
Then, the input state of the mode button is read, and it is determined whether or not the state in which the reverse movement mode is selected continues (steps S76 and S78). If the unidirectional movement mode has been selected, step S68 in FIG.
Then, similarly to the above, the wood 10 is discharged in the direction of the arrow 91 as shown in FIG.

If the movement mode has not been switched at the step S78, the process proceeds to a step S80 to judge whether or not the timer started at the step S74 has reached a preset value, When the time is up, the reverse rotation of the material feeding motor 12 is stopped (step S82). Then, if the first detector 14 is ON, FIG.
As shown in (h), the feeding motor 12 is rotated in the normal direction (steps S84 and S86), and the process returns to step S40 in FIG. 9 to repeat the subsequent processing. Wood 10 at the end of the number of inversions
Is discharged, the reverse rotation of the material feeding motor 12 is stopped, and then the normal rotation is performed (steps S68, S70, S72), and the process returns to step S2.

In step S84, if the set timer value is too large and the wood 10 passes through the first detector 14 and the first detector 14 is turned off,
In step S86, the material feeding motor 12 is rotated in the reverse direction again. Then, the process returns to step S68 and the wood 10 is shown in FIG.
After the sheet is discharged in the direction of arrow 91 as indicated by (X), the reverse rotation of the material feeding motor 12 is stopped and the normal rotation is performed (steps S70, S).
72).

The reversing movement modes in this embodiment are of three types: one-time reversal, two-time reversal, and three-time reversal, but the present invention is not limited to this, and for example, four or more reversal modes are possible. You may add it. Further, although the head 4 is provided with the plane blade 6 and the table 2 is provided with the material feeding belt 8, conversely, the plane blade 6 may be provided on the table 2 and the material feeding belt 8 may be provided on the head 4.

Further, in the above embodiment, the first detector 14
Alternatively, the timer is started based on the detection signal from the second detector 16 to control the reverse position. However, it is also possible to provide one detector at approximately the center of the moving range for cutting and to reverse the movement to both sides by timer control.

[0060]

In the cutting apparatus according to the first aspect of the present invention, when the reverse movement cutting mode is input during the cutting operation according to the one-direction movement cutting mode, the control unit ends at least the one-direction movement cutting operation. The forward / reverse drive motor continues to rotate normally. When the one-way moving cutting mode is input during the cutting operation according to the reversing moving cutting mode, the control unit follows the reversing moving cutting mode at least until the detecting unit detects the next end reference position. Continue to rotate the forward / reverse drive motor.

As described above, even if another mode is input during the cutting operation, at least the rotation direction of the forward / reverse drive motor at the time of mode switching input is maintained. Therefore, for example, the rotation of the forward / reverse drive motor does not stop and the work is not interrupted, and the rotation direction of the forward / reverse drive motor suddenly reverses when the workpiece is cut halfway, The cut surface of the object is not scratched.

Therefore, even if the mode is switched during the cutting operation, the working efficiency is not lowered and the object to be machined is not damaged.

In the cutting apparatus according to claim 2,
A discharge detection unit is provided for detecting that the workpiece is discharged by the reverse rotation of the forward / reverse drive motor, and the control unit receives the detection signal from the discharge detection unit and causes the forward / reverse drive motor to rotate normally.

As described above, immediately after the object to be processed is discharged, the forward / reverse drive motor rotates in the normal direction and can stand by in preparation for cutting the next object to be processed. Therefore, working efficiency can be improved.

In the cutting method according to claim 3,
When the reverse movement cutting mode is input during the cutting operation according to the one-direction movement cutting mode, the movement in the positive direction is continued until at least the one-direction movement cutting operation is completed. Further, when the one-direction moving cutting mode is input during the cutting operation according to the reverse moving cutting mode, at least the forward or reverse movement at the time of the input is continued.

As described above, even if another mode is input during the cutting operation, at least the moving direction at the time of the mode switching input is maintained. For this reason, for example, the movement of the work piece does not stop and the work is not interrupted. Also, the movement direction suddenly reverses when the work piece is partially cut, and the cutting surface of the work piece is damaged. Does not occur.

Therefore, even if the mode is switched during the cutting operation, the working efficiency is not lowered and the object to be machined is not damaged.

[Brief description of drawings]

FIG. 1 is an overall schematic view showing an embodiment of a cutting apparatus according to the present invention.

FIG. 2 is a diagram showing details of an operation panel shown in FIG.

FIG. 3 is a diagram for explaining movement of wood when the one-way movement mode is selected in the cutting device shown in FIG. 1.

FIG. 4 is a diagram for explaining movement of wood when the reversing movement mode is selected in the cutting device shown in FIG. 1.

FIG. 5 is a circuit diagram of a main part of the cutting apparatus according to the present embodiment.

FIG. 6 is a flowchart showing the processing contents of a material feeding operation of the cutting apparatus shown in FIG.

7 is a flowchart showing the processing contents of a material feeding operation of the cutting apparatus shown in FIG.

8 is a flowchart showing the processing contents of a material feeding operation of the cutting apparatus shown in FIG.

9 is a flowchart showing the processing contents of a material feeding operation of the cutting apparatus shown in FIG.

10 is a flowchart showing the processing contents of a material feeding operation of the cutting apparatus shown in FIG.

11 is a flowchart showing the processing contents of a material feeding operation of the cutting apparatus shown in FIG.

FIG. 12 is a diagram showing an overall outline of a conventional super-finishing plane.

FIG. 13 is a logic circuit diagram of the superfinishing board shown in FIG.

[Explanation of symbols]

 2 ... Table 4 ... Head 6 ... Plane blade 8 ... Material feeding belt 8a ... Drive roller 8b ... Driven roller 10 ...・ ・ ・ Wood 12 ・ ・ ・ ・ ・ Material feeding motor 14 ・ ・ ・ First detector 16 ・ ・ ・ Second detector 18 ・ ・ ・ Third detector 26 ・ ・ ・ Operation Panel 60, 61, 62, 63 ・ ・ ・ ・ ・ Mode button

Claims (3)

[Claims] 1. A table on which an object to be machined is placed, a feed mechanism for moving the object to be machined on the table, and a forward / reverse drive motor for driving the feed mechanism, wherein the feed mechanism moves in the forward or reverse direction. Control, the forward / reverse drive motor that moves the workpiece in the forward or reverse direction on the table, the cutting blade that cuts the workpiece, the one-way moving cutting mode, or the number of reversals of 1 or 2 or more is specified. The mode selection means for selectively inputting the reverse movement cutting mode is selected, the detection unit that detects the end reference positions of both the workpieces that rotate in the forward direction and the reverse direction, and the unidirectional movement cutting mode are selected. If the reversing movement cutting mode is selected, the forward / reverse drive motor is rotated normally, and based on the end reference position detected by the detection unit,
A cutting machine equipped with a control unit for rotating the forward / reverse drive motor in the forward and reverse directions a number of times corresponding to the specified number of times of reversal. Is input, the control unit continues the forward rotation of the forward / reverse drive motor until at least the one-direction moving cutting operation is completed, and the one-way moving cutting mode is input during the cutting operation according to the reverse moving cutting mode. If so, the control unit continues the rotation of the forward / reverse drive motor according to the reverse movement cutting mode at least until the detection unit detects the next end reference position. 2. The cutting apparatus according to claim 1, further comprising a discharge detection unit that detects that the object to be processed is discharged by the reverse rotation of the forward / reverse drive motor, and the control unit has a discharge detection unit. A cutting device characterized by rotating the forward / reverse drive motor in the normal direction in response to the detection signal of. 3. A workpiece is cut by moving it in a forward or reverse direction on a table according to a selection input of a one-way moving cutting mode or a reversing moving cutting mode in which a reversing number of 1 or 2 or more is designated. If the reverse movement cutting mode is input during the cutting operation according to the unidirectional movement cutting mode, the movement in the forward direction is continued until at least the unidirectional movement cutting operation is completed. When the one-way movement cutting mode is input during the cutting operation according to the above, at least the movement in the forward direction or the reverse direction at the time of the input is continued.