JPS6232803Y2 - - Google Patents

Description

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

As conventional woodworking machines of this type, there are two known types of woodworking machines: a cutter and a square chisel, but the former cannot machine holes, and the latter cannot machine holes only, and In the past, not only were two machines required for hole machining, but this also meant that the bottom finish of the hole had to be corrected only by hand, and it required a lot of skill to perform the machining operations. However, the work was complicated and inefficient.

Then, a woodworking machine appeared that made it possible to drill holes and holes with one machine. Such methods are disclosed in Japanese Patent Publication No. 7922/1982 and Japanese Patent Publication No. 3496/1983, both of which were previously proposed by the applicant. That is, the bed, which is equipped with a vice means that is self-held to the workpiece, has a vertical sliding base integrally framed with a vertical guide bar and a support holder, and the vertical sliding base is equipped with a cutter part. A woodworking machine is provided with a left and right sliding base mounted so that the cutter section can be moved vertically and horizontally through vertical and horizontal feeding means, respectively, and a cylindrical shaft is mounted on the vertical sliding base in the vertical and horizontal directions. The feed screws in both the left and right feed means are provided so as to be rotatable in a direction perpendicular to the axis thereof, and the rotation of the cylindrical shaft converts the upper and lower feed screws into axial movement, thereby moving the blade section up and down. left and right,
It is formed so that it can move in a semicircular shape, and the eighth
Not only the holes 17 and 18 as shown in Figures A and B, but also the U-shaped or character-shaped ends 19 and 20 as shown in C and D can be easily and easily made with one woodworking machine. It is made so that it can be processed.

The present invention is a blade movement adjustment device for a woodworking machine having the above-mentioned structure, by making it possible to change the distance between the link plate caulking pin and the slide shaft at any time with respect to the axis of the cylindrical shaft. The radial dimension of movement can be changed arbitrarily, the end surface can be formed in a U-shape or a shape of various widths, and the fulcrum shaft and cylindrical shaft can be fixed or rotated via the link plate. To provide a stopper mechanism that can be easily installed and removed by inserting and removing a slide pin.

The present invention will be explained in detail below based on the illustrated embodiments.
First, as shown in FIGS. 1 and 2, the woodworking machine has a bed 1 equipped with a vice means a capable of self-holding on a workpiece W, two upper and lower guide bars 2, and a support holder 3. A vertical sliding base 4 is integrally framed with a vertical sliding base 4, a spring 37 is interposed between the vertical guide bars 2, 2 to balance the weight, and the lower end of a vertical feed screw 8 is screwed into the base 1. It is arranged so that it can be moved up and down via b.
A left and right sliding base 7 is disposed on the vertical sliding base 4 so as to be movable in the left and right direction guided by two parallel left and right guide bars 5, 5 and via a left and right feeding means c. A blade part 6 is supported on the left-right sliding base 7 so as to be movable in the front-back direction through a back-and-forth feeding means d, and rotatably and fixedly supported through a tightening means e.

The cutter part 6 has a dovetail bit 16 and a flat bit 15 removably attached to both ends of a horizontal shaft 14 driven and rotated by a motor, and can be selectively used by operating the tightening means e. It's getting old.

The left and right feed screw 9 of the left and right feed means c has its threaded portion screwed into a nut (not shown) fixed to the left and right sliding base 7, and the other end is connected to a left and right guide as shown in FIGS. 2 and 6. 32 is rotatably supported via a handle 33, a nut 34, and a spring washer 35.

In addition, as shown in FIGS. 1 to 7, the blade movement adjusting device 38 is configured to insert the cylindrical shaft 21 into a suitable position on the vertical sliding base 4 by inserting the vertical and horizontal feed screws 8,
The fulcrum shaft 22 is rotatably inserted into the eccentric inner hole 21 a of the fulcrum shaft 22 , and the link plates 11 and 12 are attached to both ends of the fulcrum shaft 22 with countersunk machine screws 26 . etc., and one end of the replate 11 is connected to the above-mentioned vertical feed screw 8 via a vertical guide 13.
The other end is rotatably pivoted with a caulking pin 27,
A hole is provided in the other link plate 12 at a position horizontal to the pivot axis of the link 10, and the cylindrical portion 28a of the slide shaft 28 is rotatably fitted thereinto.
8 is a square groove 3 provided in the left and right guides 32 in a direction perpendicular to the axial direction of the left and right feed screws 9.
6, so that the rotational movement of the cylindrical shaft 21 can be converted into the axial movement of the vertical and left and right feed screws 8 and 9, and the vertical and left and right sliding bases are provided by the vertical feed means b. 4 and 7 together with the blade part 6
After lowering, the cylindrical shaft 21 is rotated 180 degrees to move the blade part 6 in a semicircular shape, and then the blade part 6 is raised to form a U-shaped end surface as shown in FIGS. 8C and D. 〓19 can be machined, and after lowering and stopping the blade part 6 as described above, the cylindrical shaft 21 is rotated 90 degrees, and then moved to the left or right by the left and right feeding means c, and then the cylindrical shaft 21 is further rotated 90 degrees. It is configured so that by rotating it by .degree. and then raising it, it is possible to process the end face shape 20 shown in FIG. 8D.

Here, the cylindrical shaft 21 has a worm wheel 21b engraved on its outer periphery, and is rotatably fitted into a hole 4a provided in the vertical sliding base 4 in a direction perpendicular to the vertical guide bars 2, 2. A shaft 23 with a handle 23b integrally provided with a worm gear 23a that is compatible with the cylindrical shaft 21 is rotatably supported on the vertical sliding base 4, and the cylindrical shaft 21 is rotated by operating the handle 23b.

Thus, as shown in FIGS. 5 and 7A and 7B, the stopper mechanism of the present invention allows the caulking pins 27 and slide shafts 28 of the link plates 11 and 12 to be attached to the outer diameter axis of the cylindrical shaft 21. The inner hole of the cylindrical shaft 21 is formed eccentrically, and a plurality of engagement holes 21c are formed in the end surface so that the distance between the attachment of the caulking pin 27 of the link plates 11 and 12 and the slide shaft 28 can be changed at any time with respect to the outer diameter axis. Slide pin holes 39 are provided at appropriate intervals, and opposed to this, one link plate (11 in the illustrated example) is provided with slide pin holes 39.
The slide pin 29 is removably engaged in the holes 21c and 39 to fix the cylindrical shaft 21 and the fulcrum shaft 22 in a detachable manner, and the slide pin 29 is engaged in the desired engagement hole 21c. Therefore, by changing the above-mentioned distance between the attachments as appropriate and thereby appropriately changing the diameter dimension of the semicircular movement of the blade part 6, it is configured to be able to process edges of various widths forming an end face U-shape or a shape. It is something.

Here, one of the link plates 11 and 12, in the illustrated example, the link plate 11 has a fulcrum shaft 2.
As shown in Figure 5, centering on the axis of 2, 0°, 90
Long holes 11a are provided at intervals of 180° and 180°, and a hole 4a is provided in the peripheral wall of the cylindrical shaft mounting hole 4a of the vertical sliding base 4 in parallel to the cylindrical shaft 21, and a stopper pin 31 is inserted into the hole through a compression spring 30. a link plate 11 and a fulcrum shaft 22 connected to the link plate 11 and a fulcrum shaft 22 that is slidably installed inside the link plate 11 and is engaged with the 0° elongated hole 11a;
The cylindrical shaft 21 and the link plate 12 are removably prevented from rotating.

Further, as shown in FIG. 5, the slide pin 29 is held by a plate spring 41 whose one end is fixed to the link plate 11 with a screw 40.
The fit and retention in both the holes 21c and 39 is achieved by the elasticity of the cover.

As explained above, the stopper mechanism of the blade movement adjusting device for the woodworking machine according to the present invention is configured such that the slide pin 29 engaged with the slide pin hole 39 of the link plate 11
, a plurality of engagement holes 21c provided in the cylindrical shaft 21...
By engaging with any one of the cylindrical shaft 21
Since the mounting distance between the caulking pins 27 of the link plates 11 and 12 and the slide shaft 28 can be changed at will with respect to the axis of the cylindrical shaft 21, the vertical sliding base 4 can be moved in the vertical direction or,
By converting and moving the left and right feed screw 9 in the axial direction, by changing the amount of movement as desired, the blade part 6
The diameter of the semicircular movement can be arbitrarily changed, and U-shaped end faces or ends of various widths can be easily fabricated. When fixing the fulcrum shaft 22 and the cylindrical shaft 21 or making them mutually rotatable, it can be done simply and quickly by simply inserting and removing the slide pin 29, resulting in excellent operability. It can improve the work efficiency of hole and hole machining.

[Brief explanation of the drawing]

FIG. 1 and FIG. 2 are a side view and a front view of a woodworking machine equipped with a stopper mechanism of a blade movement adjustment device according to the present invention, and FIG. 3 is a vertical sectional side view of the blade movement adjustment device.
FIG. 4 is a cross-sectional view taken along the line - in FIG. 1; FIG. 5 is a front view of the stopper machine as seen from the left side of FIG. 3; FIG. 6 is a side view of the blade movement adjustment device as seen from the right side of FIG. 3; and FIG.
8A, 8B, 8C, and 8D are perspective views showing examples of cutting holes and holes, respectively. W: workpiece, a: vice means, b: vertical feed device, c: horizontal feed means, 1: bed, 4: vertical sliding base, 6: blade section, 7:
... Left-right sliding base, 8... Up-down feed screw, 9...
Left and right feed screws, 11, 12....link plates,
21: cylindrical shaft, 21a: eccentric bore, 21c:
...engagement hole, 22...fulcrum shaft, 28...slide shaft, 29...slide pin, 39...slide pin hole.

Claims (1)

[Scope of utility model registration request] The cutter section is arranged to be movable in both vertical and horizontal directions via vertical and horizontal feeding means and vertical and horizontal sliding bases on a bed that is equipped with a vise means so that it can self-hold on the machine to be machined. A fulcrum shaft whose both ends are interlockingly connected to both the upper and lower and left and right feed screws via a link plate is rotatably inserted into the eccentric inner hole of a cylindrical shaft that is rotatably provided on the sliding base, and when the cylindrical shaft is rotated, This is a blade movement adjustment device for a woodworking machine that allows the blade part to move semicircularly, and the device adjusts the distance between the link plate, the caulking pin of one link plate, and the slide shaft in an appropriate manner with respect to the axis of the cylindrical shaft. In order to be able to change the design, a plurality of engagement holes are provided on the end face of the cylindrical shaft, and a slide pin hole is formed in one of the link plates opposite to the hole so that the slide pin can be freely inserted and removed. A stopper mechanism for a blade movement adjustment device in a woodworking machine, characterized in that the cylindrical shaft and the fulcrum shaft are detachably fixed.