JPS6232804Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is applicable to wooden buildings, furniture, fittings, etc.
The present invention relates to a blade movement stopper device in a blade movement device of a woodworking machine that processes holes for joints and joints for joining pieces of wood in the longitudinal direction or in a crosswise manner.

[Prior Art] Conventionally, this type of woodworking machine has used two machines, a cutter and a square chisel, to separately machine the cut and cut holes, which has been complicated and inefficient. Therefore, the applicant first proposed a woodworking machine that could perform both types of processing with one machine. (Special Publication No. 61-7922, Japanese Patent Publication No. 57
(Refer to Publication No. 18045, etc.) As shown in Figs. 1 to 6, these woodworking machines are equipped with a bed 1 equipped with a vice means a so that it can self-hold on the workpiece W, and two upper and lower Vertical sliding base 4 integrally framed with guide bars 2, 2 and support holder 3
The lower end of the vertical feed screw 7, which is rotatably supported on the vertical guide bars 2, 2 via a spring 5 to balance the weight and on the support holder 3 via the vertical guide 6, is screwed into the base 1. It is disposed so as to be movable up and down via the up and down feed means b. The vertical sliding base 4 includes a horizontal sliding base 8.
is disposed so as to be movable in the left and right directions guided by two parallel left and right guide bars 9, 9, and via a left and right feeding means c, and on the left and right sliding base 8, a back and forth feeding means d is provided. A dovetail bit and a flat bit 1 are interposed at both ends of a rotating shaft 10 driven and rotated by a motor.
A cutter part 13 having a second bit removably attached thereto is supported so as to be movable in the front-back direction, and rotatable and fixed by a tightening means e so that both bits can be selectively used. Furthermore, the above-mentioned vertical sliding base 4
The cylindrical shaft 14 is connected to the upper and lower and left and right feed screws 7 and 1.
The cutter part 13 is rotatably arranged at right angles to the axial direction of the blade part 13, and the feed screws 7 and 15 are moved in the axial direction by the rotation of the cylindrical shaft 14. It is formed so that it can move up and down, left and right, and in an arc. Therefore, in the workpiece W, there are not only flat and flat holes but also dovetail holes 16 and 17 as shown in FIG. and ants 18 and 19 can be processed with one machine.

[Problems to be Solved by the Invention] In the woodworking machine having the above-mentioned structure, the present invention provides for a woodworking machine having the above-mentioned structure, with the link plate being rotated at 0°, 90°,
A plurality of stopper holes are provided at 180° intervals, and a stopper pin provided on the vertical sliding base is selectively engaged in each hole in a removable manner to enable rotation of the cylindrical shaft and prevention of rotation. A blade moving stopper device which is intended to be able to adjust the positioning of the R at will when machining a U-shaped end face or a face-shaped end face, and to easily and easily process the ends of various end faces R. It provides:

[Means for solving the problem] That is, in the present invention, the blade part can be moved both vertically and horizontally, and the blade part can be moved in an arc shape by rotating the cylindrical shaft provided on the vertical sliding base. In this woodworking machine, a link plate that is interlocked and connected to a vertical feed screw via a link is provided with a plurality of stopper holes at intervals of 0°, 90°, and 180° with respect to its rotation starting point. On the other hand, a stopper pin is removably engaged with the circumferential wall of the cylindrical shaft mounting hole of the vertically sliding base, facing the stopper hole, so that the cylindrical shaft can be rotated and prevented from rotating. This solves the problem. Therefore, the U-shape of 〓 can be adjusted as desired, and various rounded edges can be processed.

[Embodiment] Hereinafter, the present invention will be described in detail based on the embodiment shown in the drawings. As shown in FIGS. A hole 4a is provided in a direction perpendicular to the bars 2, 2, and a cylindrical shaft 14 is rotatably fitted therein, and the fulcrum shaft 2 is inserted into an eccentric hole 14a formed eccentrically with respect to the outer diameter of the cylindrical shaft 14.
1 is rotatably inserted, link plates 22 and 23 are fixed to both ends of the fulcrum shaft 21 with countersunk screws 24, etc., and a vertical guide 6 is attached to one of the link plates 22 and the vertical feed screw 7. The other end of the link 25 is rotatably connected by a caulking pin 26, and the other link plate 23 is provided with a hole to rotatably fit and support the cylindrical portion 27a of the slide shaft 27. square part 27b of
The left and right guides 28 supporting the front and rear left and right feed screws 15 are slidably engaged in square grooves 29 provided in a direction perpendicular to the axial direction of the left and right feed screws 15 to rotate the cylindrical shaft 14. is provided to be convertible into axial movement of the vertical and left and right feed screws 7 and 15, and after lowering and stopping the cutter part 13 together with the vertical and left and right sliding bases 4 and 8 by the vertical feed means b, the cylindrical By rotating the shaft 14 by 180 degrees, the blade part 13 moves in a semicircle together with the left and right sliding base 8, and then by raising it, it forms the U-shaped end face 18, as shown in FIGS. 8C and 8D. After lowering and stopping the cutter part 13 as described above, the cylindrical shaft 14 is rotated 90 degrees, then moved to the left or right by the left and right feeding means c, and then the cylindrical shaft 14 is rotated 90 degrees. 8D, and then raised to process an end face shape 19 as shown in FIG. 8D.

Here, the cylindrical shaft 14 has a worm wheel 1 on its outer periphery.
4b, and a hole is provided in the vertical sliding base 4 in parallel with the vertical guide bars 2, 2 to enable rotation of a shaft 30 integrally provided with a worm gear 30a that fits the worm wheel and a handle 30b. The cylindrical shaft 14 is supported by the handle 30b.
is arranged to be rotated.

Further, the left and right feeding means c has a left and right sliding base 8.
Attach the left and right feed screws 15 to nuts (not shown) fixed to the
The other end is supported by the left and right guide 28 via a handle 31, a nut 32, and a spring washer 33.

Further, a plurality of engagement holes 14c are provided on the end surface of the cylindrical shaft 14, and a slide pin 31 slidably supported by one link plate 22 is engaged with the engagement hole 14c, so that the cylindrical shaft 14, By preventing the rotation of the link plates 22, 23 and the fulcrum shaft 21, and by selecting the engagement holes 14c and engaging the slide pins 31, the link plates 22, 23, 23 and the slide shaft 27 can be changed at any time.

Thus, as shown in FIGS. 3 and 5, the stopper device has three stopper holes 22a in the link plate 22 at intervals of 0°, 90°, and 180° around the axis of the fulcrum shaft 21. ,22b,22
On the other hand, a hole 4b is provided in the peripheral wall of the cylindrical shaft mounting hole 4a of the vertical sliding base 4 in parallel with the cylindrical shaft 14, and a stopper pin 35 is slidably inserted into the hole 4b via a compression spring 34. By fitting the stopper pin 35 into the 0° stopper hole 22a, the link plate 22, the fulcrum shaft 21, the cylindrical shaft 14, and the link plate 23 connected thereto can be rotated and prevented from rotating. .

That is, the stopper holes 22a, 22b, 22
c is 0 with respect to the rotation start point of the link plate 22
By selecting one of these and engaging the stopper pin 35 at intervals of 180°, 90°, and 180°, the rotation starting point of the cylindrical shaft 14 is changed, and the rotation of the cylindrical shaft 14 causes the blade portion to rotate. By changing the arcuate movement starting point of 13, the position of the R plane can be changed at will.

In FIG. 5, 36 is the slide pin 31.
It is a leaf spring that supports .

[Effects of the invention] As explained above, according to the cutter movement stopper device for a woodworking machine according to the present invention, the cutter part 13 placed on the vertically sliding base 8 can be moved in an arc shape by rotating the cylindrical shaft 14. However, in the case where the end face U-shape and the end face shape 〓 can be processed, the fulcrum shaft 21 inserted into the eccentric inner hole 14a of the cylindrical shaft 14
The vertical feed screw 7 and the link 25
to the link plate 22 which is interlocked and connected via the
Stopper pin holes 22a, 22b, 22c provided at intervals of 0°, 90°, and 180° with respect to the rotation starting point.
is arbitrarily selected, and the stopper pin 35 provided on the vertical sliding base 4 is removably engaged with the cylindrical shaft 1.
4 is configured to prevent rotation. Therefore, the stopper pin holes 22a, 22b, 22c
By selecting one of these and engaging the stopper pin 35, the rotation starting point of the link plate is set at 90°.
Since the rotation start point of the cylindrical shaft 14 can be changed in 3 steps, the starting point of the arcuate movement of the cutter part 13 can be changed arbitrarily, making it possible to position the cutter part 13 in three steps. This has the advantage that various types of U-shaped and U-shaped corners having different widths and radiused surfaces can be simply and easily processed by simply replacing the stopper pin 35.

[Brief explanation of the drawing]

1 and 2 are a side view and a front view of a woodworking machine equipped with a cutter moving stopper device according to the present invention, and FIG.
The figure is a vertical sectional side view of the device and the blade moving part, Figure 4 is a cross-sectional view taken along the - line in Figure 1, and Figure 5 is a front view of the blade moving stopper device, as seen from the left side of Figure 3. Fig. 6 is a side view of the blade moving part, as seen from the right side of Fig. 3, Fig. 7 is a cross-sectional view along the - line in Fig. 3, and Fig. 8 is A, B, C, D.
FIG. 2 is a perspective view showing an example of cutting a hole and a hole, respectively. W...Workpiece material, a...Vise means, b...Vertical feed means, c...Left and right feed means, 1...Bed, 4...Vertical sliding base, 4a...Cylindrical shaft mounting hole, 5... ...Left and right sliding base, 7...Vertical feed screw, 13...Cutter section, 14...Cylindrical shaft, 14a...
... Eccentric inner hole, 15 ... Left and right feed screw, 21 ... Fulcrum shaft, 22, 23 ... Link plate, 22a,
22b, 22c...stopper hole, 25...link, 35...stopper pin.

Claims (1)

[Scope of utility model registration request] The bed is equipped with a vise means so that it can self-hold on the workpiece, and the cutter part is movable both vertically and horizontally via vertical and horizontal feeding means and vertical and horizontal sliding bases, and the above-mentioned vertical sliding movement is provided. A fulcrum shaft whose both ends are interlocked with the upper and lower and left and right feed screws is inserted into the eccentric inner hole of the cylindrical shaft that is rotatably provided in the base, and the cutter part is turned into a semicircle by rotating the cylindrical shaft. This is a blade moving device for a woodworking machine that is movable in an arc shape, and the link plate, which is interlocked with the vertical feed screw via a link, has angles of 0°, 90°, and 180° with respect to its rotation starting point.
゜, a plurality of stopper holes are provided at intervals, and a stopper pin is slidably attached to the peripheral wall of the cylindrical shaft mounting hole of the vertical sliding base opposite to the hole, and the stopper pin is selected from each of the above holes. A cutting tool moving stopper device for a woodworking machine, characterized in that it can be engaged and detached freely.