JPH01278302A - Mortising equipment for wood joints - Google Patents

Abstract

PURPOSE:To make it possible to change preparatory plan rapidly and easily and to improve working efficiency, by controlling programs for a number of tenon processing patterns by means of a computer, calling a processing program by means of a select switch and performing it in a tenon processing apparatus. CONSTITUTION:A data memory device 44 memorizes informations on numerial values such as dimensions of tenon width w, tenon depth d, knife diameter D which are operation data as variables and sets coordinate points for the straight lines and arcs in accordance with processing pattern informations. A program memory device individually fractionates and memorizes program informations obtd. by storing operational data informations on processing pattern informations. A select switch 46 set on a control panel 47 has a slot of junction points and connects each junction point with a program memory through an I/O interface 41. On each junction point, a processed shape of a tenon obtd. by performing a program content is written by an illustration Q1, Q2...Q12. A program information selected by means of a select switch 46 is taken in an operation part 36 of a CPU 34 by means of an executable instruction of a key board 39 and operated in taking an amt. of cutter offset into consideration. The operated result is inputted into a Z axis driven motor M1 and an X axis driven motor M2 through a control part 37 and further an output device 40.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a tenon processing device for wood joints, and in particular, a computer is used to manage many tenon cutting programs and to perform tenon processing. The program is called up and executed using a highly visible select switch, allowing highly efficient machining work.

(Prior Art) In recent years, mortise processing in wooden buildings has been mechanized for the purpose of compensating for the shortage of skilled workers, improving work efficiency, and improving processing accuracy.

Examples of tenons formed by machining while following the advantages of traditional wood joints are the hip tenons shown in Figure 5 (A>, (B), and the tenons shown in Figure 6 (A>, (B)). ) is generally known as the Todoke tenon with a large insert, etc.
This is used as appropriate depending on the purpose, such as as a foundation, daihiki, or to connect the trunk and joist.

As a processing machine for performing the above-mentioned tenon processing, the one proposed in Japanese Utility Model Publication No. 58-20323 is well known. According to this type of processing, each of the above-mentioned mortises can be formed by the vertical movement of the cutter, or by a combination of vertical movement and circular arc movement, and it is easy to operate and has unique mortising accuracy and strength. Because you can get
It is widely used in this industry.

(Problem to be solved by the invention) By the way, the above-mentioned tenon processing is based on traditional construction methods, and there are many types, and there are 8 male tenons and 8 female tenons, so there are 20 different processing patterns. It's more than a seed.

With conventional machines, not only did the type of cutter need to be changed each time a change was made, but the vertical adjustment, left/right adjustment, and circular motion adjustment of the cutter were also manually performed. The company was forced to take downtime, which caused a decline in work efficiency. Another disadvantage was that it was easy to make mistakes because the complicated operations were performed manually.

This invention was made by focusing on the above-mentioned problems of the prior art, and it is possible to manage various kinds of mortise and tenon programs by introducing a computer, and to recall and execute these mortise and tenon programs using a select switch with good visibility. Accordingly, it is an object of the present invention to provide a tenon processing apparatus for wood joints, which allows quick and easy setup changes.

(Means for Solving the Problems) In order to achieve the above object, the present invention is as follows.

In other words, the wood joint part tenon processing apparatus according to the present invention,
In a Shiguchi processing machine, a processing cutter is provided corresponding to the workpiece and the required tenon processing is performed on the workpiece by the relative movement of the two in at least two-dimensional directions. The computer controls the X-axis drive motor and the X-axis drive motor, and the computer is provided with a pattern memory means for storing machining pattern information corresponding to the workpiece, a tenon width dimension, a tenon depth dimension, A data memory means for storing calculation data information such as a cutter diameter dimension, and a program memory means for separately storing program information obtained by combining the processing pattern information and the calculation data information, and the computer further comprises: An input means for selecting, calling and executing the program information; and an output means for controlling the X-axis drive motor and the X-axis drive motor based on the calculation results of the program information; It is connected to select switches having contacts that individually correspond to separately stored program information.

(Function) Therefore, the cutter movement corresponding to all tenon processing is patterned in the pattern memory means by one-dimensional movements up and down, left and right, and two-dimensional movements such as circular arcs that combine these movements. memorize it. Then, all the calculation data information corresponding to the above pattern, that is, the tenon width dimension, the tenon depth dimension, and the cutter diameter dimension, are given to the data memory means, and the machined nib program is created by combining these machining pattern information and calculation data information ( Then, these program information are individually separated and stored in the program memory means to manage all the mortise and tenon programs.Select switches are provided corresponding to all the mortise and tenon programs. By using this switch to call up and execute the knife program, the mortise and tenon work can be performed quickly and easily.

(Embodiment) Hereinafter, an embodiment of the tenon processing apparatus for wood joints according to the present invention will be described with reference to the drawings.

1 and 2 are a front view and a side view showing the overall structure, in which 1 is a frame, 2 is a column established on the rear side of the frame 1, and 3 is a vertical guide rail 4 in the Z-axis direction provided on the column 2. An elevating body engaged with the vertical guide rail 3 so as to be able to bend down. The feed screw shaft 6 for elevating movement is a passive nut of the elevating body 4 that is screwed onto the feed screw shaft 5, and the vertical guide rail 3, Z-axis drive motor M1, feed screw shaft 5 for elevating, and passive nut 1-6. Each member constitutes a Z-axis drive means for driving the elevating body 4 in the vertical direction.

Next, 7 is a horizontal guide rail in the X-axis direction provided on the front surface of the elevating body 4, 8 is a mounting base movably engaged with the horizontal guide rail 7, and 9 is a main shaft made of a high-frequency motor provided on the mounting base 8. Head 10 is the main shaft Spindle S of the head 9 is a machining cutter attached to the front end of the spindle 10 via the chuck 11. The feed screw shaft 13 for left and right movement attached to the shaft drive motor MID output shaft is a passive nut of the mounting base 8 screwed onto the feed screw shaft 12, and the horizontal guide rail 7, mounting base 8, and X-axis drive motor sill left and right are reversed. The spindle head 9 is mounted by each member of the screw shaft 12 and the driven nut 13.
This constitutes an X-axis drive means for driving the X-axis in the left-right direction.

Next, reference numeral 14 denotes a lifting guide 15 established at the top of the lifting body 4.
is an integral part of the cover of the processing cutter S that is engaged with the lifting guide 14 so as to be able to move up and down, and due to its weight, the lifting guide 1 is always
It hangs down at the lower end position of 4. 16 is a dust collection port provided at the upper end of the cover unit 15; 17 is a viewing window provided at the front side of the cover unit 15.

Next, the clamp means for fixing the workpiece W will be explained. 19 is a table installed on the front side of frame 1 20
21 is a vertical clamping means provided corresponding to the mounting table 20, which is opened and closed centripetally with a pair of vice pieces 22 and 22 on both sides. It consists of a feed screw shaft 23 and an operating handle 24 of the feed screw shaft 23.

Reference numeral 25.25 denotes a horizontal mounting table consisting of roller conveyors provided on both sides of the table 19.
is disposed perpendicular to the mounting table 20. 26.26 is a horizontal clamping means provided corresponding to the above-mentioned mounting table 25.25, which opens and closes the fixed vise piece 27.27 on the rear side, the movable vise piece 28.28 on the front side, and the movable vise piece 28.28. a feed screw shaft 29.29, and a feed screw shaft 29.
29 operating handles 30.30.

The vertical clamping means 21 clamps and fixes the workpiece W with marking lines marked on the wood end, and the horizontal clamping means 26.26 clamps and fixes the workpiece W with marking lines marked on the longitudinal side surface. The material W is clamped and fixed, and in either case, the workpiece W is fixed so that the direction of the marked line coincides with the rotation axis of the processing cutter S.

Next, reference numeral 31 is a contact piece for determining the position of the workpiece W provided at the lower part of the mounting base 8, and the contact part 31a is connected to the vertical clamping means 21.
This corresponds to the workpiece W of . An indication line 32 indicating the center position of the processing cutter S in the left-right direction is provided at a visually visible position in this abutting portion. (Figure 3) Next, L
S is a limit switch attached to the elevating body 4 via a mounting stay 33, and this limit switch LS is made to correspond to the contact 18 of the cover unit 15 to constitute a cutting detection means of the machining cutter S. The above-mentioned limit switch LS is such that when the elevating body 4 moves downward, the lower end of the cover unit 15 comes into contact with the upper surface of the workpiece W, and the subsequent operation causes the elevating unit 4 to move relative to the cover unit 15. When it reaches a predetermined dimension, it reaches a detection point and sends out a detection signal. The above predetermined dimension is set to the difference in height between the lower end of the cover unit 15 in the hanging position and the center height of the processing cutter S, so that the center of the cutter S is cut into the top surface of the workpiece W. Detect that. Then, using this detection signal as a reference point, the tenon depth dimension during program operation, which will be described later, is set. (See Figures 4 and 9 (A), (B), and (C)) The processing cutter S is initially set to the machine origin a', which is temporarily set with the centripetal position of the vertical clamping means 21 in the direction. shall be kept. (See Fig. 1) Next, the above-mentioned Z-axis drive motor M1 and X-axis drive motor M
A control device that controls and drives the cutting machine 2 according to a predetermined program and gives the processing cutter S a cutting motion suitable for the object to be processed will be described.

In FIG. 7, numeral 34 indicates the entire central processing unit (CPU), which includes a register section 35 for storing data, an arithmetic section 36 for data extraction, data inside the CPU, and data in the CPU and other parts. It is composed of a control section 37 for controlling transfer. 38 is an input means for transmitting input signals from a keyboard 39, a select switch and a limit switch LS to be described later to the CPU 34; 40 is a CPU 3;
Z-axis drive motor M3, which receives the calculation output signal from 4;
An output means 41 for transmitting data to the X-axis drive motor M is located between the input means 38 and the output means 40 and the CPU 34,
I10 interface for adjusting signal level 4
Reference numeral 2 denotes a memory section for storing operation program information of the CPU 34, and is constituted by the following memory means.

That is, 43 is a pattern memory means for storing machining pattern information corresponding to the machining object, and this pattern information is started from the pattern operation reference point I as shown in FIGS. 8(A), (B), and (C). , given in a closed loop that combines straight line or straight line and circular arc motion. 44 is a data memory means for storing numerical information as variables such as mortise width dimension W tenon depth dimension d and cutter diameter dimension required for calculation data, and corresponds to the above-mentioned machining pattern information and stores the coordinates of the straight line and circular arc. Set a point. 45 is a program memory means for writing calculation data information into the processing pattern information (q) and storing the program information separately.
6 is a select switch attached to the υ control panel 47 together with the keyboard 39 described above, and has many contacts (not shown).
and each contact is connected to the program memory via an I10 interface 41. In addition, for convenience of selection, illustrations of the machining shape of the tenon obtained by executing the program contents are shown for each contact point.
i...Q, 7 marks.

The program information selected by the select switch 46 is sent to the CPU by an execution command from the keyboard 39.
It is incorporated into the performance section 36 of 34. Then, calculations are performed taking into account the cutter offset, skewer, etc., and the calculation results are given to the Z-axis drive motor M1 and the X-axis drive motor M2 via the control section 37 and further the output means 40.

In addition, the detection signal of the limit switch S is taken in during the above calculation, and for example, the program is programmed using the d-point in the case of FIG. 9 (A>) and the C-point in the case of FIG. The tenon depth dimension is calculated.

Next, 48 is a manual rotation control means for controlling the X-axis drive motor M2 by a forward/reverse operation switch 49, and a temporary origin a-
This is for moving the machining cutter S in the required left and right directions and setting the cut position of the cutter with reference to the marking line.

This is because an embodiment of the apparatus according to the present invention is configured as described above. For example, when machining a male tenon on the butt end of a workpiece W as shown in FIG. 5(A), first, The workpiece W is supplied onto the mounting table 20 in the front-rear direction, and the tip is placed on the contact piece 3.
Regulations apply to 1. Then, at this position, the pair of vice pieces 22, 22 on both sides are operated to clamp and fix the device centripetally. At this time, if there is a deviation between the marking line on the workpiece W and the indication line 32 of the contact piece 31, operate the forward/reverse operation switch 49 to move the cutter side and use the marking line as a reference. Make sure the two match visually.

When the setting of the cut position on the workpiece W is completed as described above, next operate the select switch 46 and match the male tenon machining according to the displayed illustrations Q1, Q, etc. Select a position. When the position setting is completed, select the execution mode on the keyboard 39 and transfer the selected program information to the CPU 34.
and calculate it.

The program information corresponding to the above male tenon machining is shown in Figure 9 (A
>, and based on the calculation results, the Z-axis drive motor M5,
The X-axis drive motor MJ drives the machining cutter in a combination of straight lines and circular arcs, thereby performing the desired male tenon machining on the wood end. Incidentally, the section a--b- in Fig. 9 (A>) is the area where the cutting position of the cutter is manually set, and d''-e' is the range where the tenon depth is set, and d''
-C1- is the tenon width dimension setting range.

Next, when performing female tenon machining with a large insert as shown in Fig. 6(B) on the longitudinal side surface of the workpiece W, the mounting table 2
5. Supply the workpiece W to 25 and horizontal clamp means 26
．． Clamp and fix with 26. Then mark line and indication line 3
2 error is corrected by forward/reverse operation. When the machining is completed, the select switch 46 is operated to select a position matching this female tenon machining from the displayed illustrations Q1, Q;, . . . and execute it.

The program information corresponding to the above female tenon machining is shown in Figure 9 (B
), the processing cutter S is linearly reciprocated,
As a result, the required female tenon processing is performed in the longitudinal side view.

In addition, each contact of the select switch 46 corresponds to the respective knife program information, and various types of mortise processing can be quickly performed by switching the selection. Incidentally, in this embodiment, it is necessary to replace the cutter according to the various shapes of tenons.

(Effects of the Invention) As detailed above, the tenon processing device according to the present invention manages programs for various types of tenon processing patterns on a computer, and also calls and executes this tenon program using a highly visible select switch. This has the great effect of making setup changes quick and easy and greatly improving work efficiency.

[Brief explanation of the drawing]

The drawings show an embodiment of a tenon processing apparatus for wood joints according to the present invention, and FIG. 1 is a front view of the tenon processing machine to which the present invention is applied. FIG. 2 is a vertical side view, and FIG. 3 is a processing machine. Perspective view of means for setting cutter cutting position No. 4
The figure is a longitudinal side view showing the cutting state of the processing cutter No. 5
Figures (A>, (B) and 6 (A>, (B)) are perspective views showing the shape of the tenon. Figure 7 is a configuration diagram showing the control device for the X-axis drive motor and Z-axis drive motor. (A>, (B)
, (C) is an explanatory diagram of the operation of the Kani program. FIG. 10 is a front view showing the configuration of the control panel. M,: Z-axis drive-E-ta M,: X-axis drive motor S
: Processing cutter 9: Spindle head 21: Vertical vice means 26: Horizontal clamp means W: Workpiece b: Marked line
34: Central processing unit (CPU) 36: Arithmetic unit 37
: Control section 42: Memory section 43: Pattern memory means 44: Data memory means 45 Niprogram memory means 46: Select switch 47: Control panel 39: Keyboard Q7, Q,...Q, 2: Illustration 4
82 Manual rotation control means

Claims (1)

[Scope of Claims] In a shiguchi processing machine, a processing cutter is provided corresponding to the workpiece, and a required tenon process is performed on the workpiece by relative movement of the two in at least two-dimensional directions. Relative movement of the machining cutter is performed by an X-axis drive motor and a Z-axis drive motor controlled by a computer, and the computer is provided with a pattern memory means for storing machining pattern information corresponding to the workpiece and a tenon width dimension. , a data memory means for storing calculation data information such as a tenon depth dimension and a cutter diameter dimension, and a program memory means for separately storing program information obtained by combining the machining pattern information and the calculation data information. Further, the computer is provided with input means for selecting, calling and executing the program information, and output means for controlling the X-axis drive motor and the Z-axis drive motor based on the calculation result of the program information, and further A tenon processing apparatus for wood joints, wherein a select switch having contacts individually corresponding to the separately stored program information is connected to the input means.