JPS6235364B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is a processing machine that processes large inserts, large insert dovetails, dovetail grooves, etc. for joining pieces of wood in the length direction or across them in wooden buildings, furniture, etc. Regarding.

Conventionally, when machining large inserts b and large dovetails c as shown in Figure 1 on wood a, it was common to perform manual processing using a hand saw or hand, or mechanical processing using a hand-held router. .

However, manual machining involves making incisions along the ink lines and then cutting only by hand, which is disadvantageous in that it takes time and effort, resulting in extremely low work efficiency.

In addition, machining using a router has the disadvantage that not only is it difficult to achieve accuracy, but the work is also dangerous, so the reality is that we rely on inefficient manual processing.

Therefore, as a result of studies in view of the above-mentioned drawbacks of the conventional technology, the present invention has developed a new dedicated processing machine for large insertion, etc. The purpose of the present invention is to provide a main body of the processing machine that is pivotally supported on a vise mechanism. By selectively using flat dovetails and dovetails attached to both ends of the blade arbor that rotates and is driven and rotated by a motor, large inserts or large insert dovetails can be processed efficiently, safely, and with high precision. It's about trying to get it.

The present invention will be described in detail below based on the drawings. As shown in FIGS. 2 to 6, the processing machine includes a processing machine main body 1 , a vice mechanism 2 , and a processing machine for the vice mechanism It is comprised of a rotation means 3 for rotatably supporting the main body 1 and a stopper means 4 .

As shown in FIGS. 2 and 3, in the processing machine main body 1 , a blade arbor 7 is rotatably supported together with a motor 6 in a motor case 5, and the blade arbor 7 is wound around a motor shaft 6a. They are interlocked and connected by an appropriate power transmission mechanism 8 such as a hook or a gear, and have respective ends protruding outward from the upper and lower ends of the motor case 5, and a router bit, that is, a router bit, is attached to one end of the motor case 5, respectively. A flat bit 9 is attached to one side, and a dovetail bit 10 is detachably attached to the other by means of a collector chuck 14.

Further, a stopper hole 12 is provided at a suitable position in the blade arbor 7, and a stopper 14 is provided oppositely to the stopper hole 12 on the motor case 5 via a stop ring 13, and a spring 1 is elastically biased thereto.
5 and engages with the stopper hole 12, the rotation of the blade arbor 7 is stopped and the bit can be conveniently replaced.

Further, a slide plate 16 is attached to one side of the motor case 5 vertically in parallel with the blade arbor 7, and a cover boulder 17 is fixed to the upper part of the slide plate 16 with screws or the like. ,
A bit cover 18 is pivotally attached to the boulder 17 so as to be openable and closable with a restricted rotation angle, and is adapted to cover one of the flat bits 9 or the dovetail bits 10 that is not subjected to cutting. .

Further, as shown in FIGS. 4 and 5, the vice mechanism 2 has two parallel front and rear guide bars 21, 21 installed between the vice 19 and the support 20. The front and rear sliding bases 22 are slidably fitted to each other, and
The side plates 23, 23, which have both ends screwed to the vise 19 and the support 20 and are equipped with rollers 24 for moving the machine, are connected to the front and rear guide bar 2.
It is fixed to the outside of 1 and 21, parallel to them, and flush with the contact surface of the workpiece W.

Further, the support 20 has two outer vise guide bars 26, 26 whose ends are fixed by holders 25, 25, respectively, which are slidable in the front and back direction, and one of which has a salami part provided at a predetermined interval. 27...
... is provided so that it can be fixed in a predetermined position by engaging a thumb screw 28 screwed into the support 20. Two inner vice guide bars 28, 28 are fixed to the center portions of both the holders 25, 25, and a vice holder 29 is slidably inserted into the inner vice guide bars 28, 28. be. The vise holder 29 is provided with a guide portion for guiding the outer periphery of a chuck holder (not shown), and a vise handle 30 is rotatably pivoted to one end by seat bolts 31, 31. A fulcrum pin (not shown) fixed to the other end of the vice handle 30 and a fulcrum part symmetrically provided at the center of the chuck holder are connected by two links, and the rotation of the vice handle 30 is controlled by This allows the chuck holder to slide.

Also, inside the chuck holder is a workpiece tightening nut (not shown) that is pressed by a spring.
is slidably attached, and there is a clamp plate 3 at the tip.
A tightening bolt 33 rotatably supports the work piece 2 and is threaded through the workpiece tightening nut.

Further, the vice mechanism 2 includes a back and forth feed mechanism 34.
A left-right feeding mechanism 35 and a vertical feeding mechanism 36 are provided to allow the processing machine main body 1 to be moved in each direction.

Thus, the processing machine main body 1 has the above-mentioned vice mechanism.
As shown in FIG . A bolt hole 37 is formed through the bolt hole 37 in a direction perpendicular to the center direction.
A square hole 38 is formed through the slide plate 16 so as to face the slide plate 16, and a center bolt 3 is inserted into both holes 37, 38.
9 has been inserted. That is, the square hole 3 of the slide plate 16
8 and a center bolt 39 are inserted in a non-rotating manner, and the processing machine main body 1 is rotatably supported using the center bolt 39 as a pivot. The lengths l and l' to each tip are set in advance so that they are the same or different by a certain dimension.

If the pivot point 0 is provided by limiting the difference in the lengths l and l' from the pivot point 0 to the tip of the flat bit 9 and the tip of the dovetail bit 10 as described above, the length from the pivot point a to the tip of the flat bit 9 is For example, it is better to make the length to the tip of the dovetail 10 longer than l by a dimension corresponding to the cutting depth of a large cut.If you do this, when machining a large cut dovetail c as shown in Fig. 1. , After machining the large bit with the flat bit 9, rotate the processing machine body 1 by 180° to make the double bit 1.
If the dovetail is machined at 0, the dimensional difference in two-step machining can be made constant.

Further, the rotating means 3 is configured to rotate the center bolt 39.
A tightening screw 41 with a knob 40 fixed to the tip thereof is screwed into the male threaded portion 4 provided on the outer periphery of the tightening screw 41.
1a is screwed with a tightening nut 42 provided with a lever handle 42a, the inner end of which abuts against the opening edge of the elongated hole 43a of the left-right sliding base 43, and by tightening the tightening nut 42, the left-right sliding dynamic base 43
That is, the vertical movement of the processing machine main body 1 is fixed with respect to the vice mechanism 2 , and the tightening nut 42 is loosened, and after it comes into contact with the knob 40, the tightening screw 41 is tightened by the frictional force between the two. The processing machine main body 1 is configured to be able to rotate about the pivot point 0 by loosening the .

The stopper means 4 includes two bolts 44, 44' on one side of the motor case 5, and two micro switches 4, as shown in FIG.
5 and 45', and on the other hand, the slide plate 16 is provided with a lock plate 46 and a limit lever 47, and the processing machine main body 1 is rotated (180 degrees) to selectively use the flat bit 9 and the dovetail bit 10.
By doing so, the lock plate 46 is secured to the bolt 4.
5 or 45' and stop at the respective positions.

Furthermore, as mentioned above, the processing machine main body 1 is rotatably supported by the vise mechanism 2 so as to be rotatable by 180 degrees, so that the flat bit 9 and the dovetail bit 10 can be selectively used. When using the flat bit 9 and when using the dovetail bit 10, it is necessary to rotate the blade arbor 7 in the normal or reverse direction.

Therefore, an electric circuit as shown in FIG. 7 is used. In other words, the circuit shown in the figure is a 180°
This shows that the motor is rotating. In this case, even if the push button 48 provided on the motor case 5 is turned on, the field 6' of the motor 6 is not energized. Next, when the processing machine main body 1 is rotated and the lock plate 46 hits the bolt 44 and stops, the limit lever 4
7 turns on one of the microswitches 45 and 45', so if the push button 48 is turned on, the motor will rotate.

Assuming that the motor 6 rotates in the forward direction when the micro switch 45 is turned on, on the other hand, when the micro switch 45' is turned on, the motor 6 rotates in the opposite direction.

A stopper plate is pivotally mounted on the upper surface of the left-right sliding base 43 to enable opening and closing of the hole opened in the slide plate 16, and a nut is inserted into a screw hole provided in the left-right sliding base 43 opposite to the hole. A bolt with a threaded hole is screwed into the screw hole of the bolt so as to be adjustable in height, and a bolt having a head smaller than the hole is screwed into the screw hole of the bolt so as to be height adjustable. When the hole is closed with a plate, the stopper plate hits the head of the bolt and becomes a stopper while the slide plate 16 is descending, or when the hole is opened with the stopper plate, the outer periphery of the hole touches the head of the bolt. It hits me and comes to a standstill.
That is, by acting as a stopper in two stages, the machining depth by the flat bit 9 and the dovetail bit 10 can be changed.

In FIG. 2, reference numeral 49 denotes a center pointer provided at the lower part of the left-right sliding base 43 in alignment with the centers of the flat bit 9 and the dovetail bit 10.

With the above configuration, when using this to process a large dovetail hook as shown in Figure 1,
The side plates 23, 23 of the vice mechanism 2 are placed on the upper surface of the workpiece W, and the vice 19 and clamp plate 32 are
The workpiece plate W is clamped in between to fix the machine on the processing surface.

Next, when the processing machine main body 1 is moved forward by the forward and backward feed mechanism 34, the tightening nut 42 is loosened by screwing with the lever handle 42a, and the vertical feed mechanism 36
The flat bit 9 is fed to the depth of cut, and then the processing machine main body 1 is fixed to the vice mechanism 2 using the tightening nut 42. Next, turn on push button 48
Once the motor 6 is energized and the bit is driven and rotated, the cutting is performed by moving the bit by the required amount by operating the forward/backward feed mechanism 34 and the left/right feed mechanism 35, thereby machining a large cut with the desired vertical and horizontal dimensions and depth. . After large-scale processing, return the processing machine body 1 to the center point and press button 48.
The motor 6 is stopped by the operation.

After stopping, the cover 18 of the blade is opened, and the tightening nut 42 is loosened using the lever handle 42a, and the tightening screw 41 is simultaneously loosened via the knob 40 to unfasten the processing machine main body 1 .

Next, the processing machine main body 1 is rotated 180 degrees, and when the corresponding bolt 44 or 44' and the lock plate 46 come into contact, the processing machine main body 1 is fixed to the vise mechanism 2 by operating the lever handle 42a, and the aribit 10 is fixed. Set it in the use position. Here, if the lengths l and l' from the pivot point 0 to the tips of the flat bit 9 and the dovetail bit 10 are provided with a limited difference, the push button 48 is turned on to drive the dovetail bit 10, but the above-mentioned length is When L and l' are made equal, the dovetail cutting depth is determined by the vertical feed mechanism 36. Next, turn on the push button 48 to energize the motor 6,
0 is driven and rotated, the forward/backward feed mechanism 34
Then, the dovetailing process is performed while moving the required amount back and forth and left and right by the left and right feed mechanism 35.

Since the large-in dovetailing process is completed as described above, all that is required is to return the machine to its original position and unclamp the workpiece W by performing the operations opposite to those described above.

The large insert or dovetail groove is processed using a flat bit 9 or a dovetail bit 10, respectively.

Since the machining machine for large-input etc. according to the present invention has been constructed as described above, the machining machine main body 1 is clamped and held on the workpiece W by the vise mechanism 2 and set on the machining surface, and the machining machine body 1 is clamped to the workpiece W by the vise mechanism 2 and set on the machining surface. By selectively rotating the installed flat bit 9 and dovetail bit 10 to the use position and stopping them, it is possible to easily machine large inserts, dovetail hooks, dovetail grooves, etc. on the workpiece W. , and if the pivot point 0 of the processing machine body 1 relative to the vice mechanism 2 is set so that the length l from the center to the tip of the flat bit 9 and the length l' to the tip of the dovetail bit 10 are equal, then Both bits are 9 and 10 by only rotating the processing machine body 1 by 180°.
If the machining depths for large insertion and dovetailing can be made the same, and if a pivot point 0 is provided by limiting the difference between the lengths l and l', then after machining the large insertion with flat bit 9, the machining depth of dovetail 10 When machining dovetail hooks, the dimensional difference in two-step machining can be made constant by simply rotating the processing machine body 1 by 180 degrees. It can be easily and easily processed with high accuracy.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a workpiece processed with a large insert and a large insert dovetail, FIG. 2 is a longitudinal cross-sectional side view of the main body of the processing machine for the large insert, etc. according to the present invention, and FIG.
The figure is a partially cutaway plan view of the main body of the processing machine.
5 are a plan view and a side view of the processing machine, FIG. 6 is a left side view of the main body of the processing machine, and FIG. 7 is a circuit diagram of the processing machine. 1 ...Processing machine body, 2 ...Vise mechanism, 3 ...
Rotating means, 4 ...Stopper means, 6...Motor, 7...Blade arbor, 9...Flat bit,
10... Aribit, W... Workpiece material, 0... Pivotal point, l... Length from the pivot point to the tip of the flat bit, l'... Length from the pivot point to the tip of the bit.

Claims (1)

[Claims] 1 Consists of a vice mechanism that clamps and holds the machine body on the workpiece, and a machine body that is equipped with a flat bit and a dovetail bit at both ends of a blade arbor that is driven and rotated by a motor. The main body of the processing machine is pivotally supported by a rotating means and a stopper means, and the rotating means has a bolt hole in a substantially central part of one side of the motor case in a direction perpendicular to the axial direction of the blade arbor. A square hole is formed through the slide plate assembled to the motor case so as to face the bolt hole and parallel to the blade arbor, and a center bolt is inserted into both holes, and the center bolt is used as a pivot. The main body of the processing machine is rotatably supported, and the pivot point is arranged so that the length from the center to the tip of both bits is the same or limited by an appropriate dimension, and the stopper means Two bolts and a micro switch are provided on one side of the case, and a lock plate and a limit lever are provided on the slide plate, and the lock plate is formed so as to come into contact with the bolt and stop at each position. Features processing machines such as large inserts.