JPS5935366Y2 - Woodworking machine blade cover - Google Patents

Description

[Detailed description of the invention] The present invention allows, for example, when connecting a small beam, a sword joist, or a joist to a second-story beam, etc., the second-story beam, etc. is provided with a large groove, a large groove, or a dovetail groove. Woodworking machines applied to process,
More specifically, the woodworking machine body is equipped with a flat bit, a dovetail bit, etc. at both ends of a rotating shaft driven and rotated by a motor, and is rotated by a vice device etc. by a fulcrum in a direction perpendicular to the rotating shaft in the middle part. , in a woodworking machine that is fixedly supported and that allows selective use of the above-mentioned dovetail bit and the above-mentioned dovetail bit by rotating the main body of the woodworking machine by 180 degrees, and the above-mentioned double-edged tool is replaced with one of the unused tools. This relates to a cutter cover that covers the body of the woodworking machine, and its purpose is to selectively use one of the cutleres when rotating the main body of the woodworking machine, and to stop the rotation and perform cutting. At the same time, the rotating shaft, etc. is engaged to prevent the woodworking machine from rotating, and since it does not come into contact with the cutter, damage to the cutter can be prevented and unused cutlery can be safely covered. be.

The drawings showing one embodiment of the present invention will be described in detail below.

Figures 1 and 2 show a woodworking machine such as a large case, and the woodworking machine body 1 has a motor case 3 that houses a motor 2.
The rotating shaft 4 is supported by a bearing 5 so as to be freely rotatable in the direction around the axis, and is coupled to the motor shaft 2a by a power transmission mechanism 6 as appropriate to drive and rotate it, and the motor case 3
A flat cutter 7 and a dovetail cutter 8 are formed on both ends protruding from the holder, and are detachably attached to and detachable from a collet nut 9 or the like.

In this manner, the woodworking machine main body connects the center bolt 10a to the non-rotating part of the motor case 3 and the machine body 11 in a direction perpendicular to the axis at the center of one side of the motor case 3, that is, at an intermediate position of the rotation shaft 4. In other words, it is rotatably and fixedly supported by a fulcrum portion 10 inserted into a vise device 12, and one of the double-edged tools 7 and 8 can be selectively used.

That is, the body 11 is attached to a vise device 12 and does not rotate.
The motor case 3, which internally supports the motor and the rotating shaft 4, is rotated by the center bolt 10a at the fulcrum part 10 of the
The main body 1 can be rotated about the fulcrum portion 10 by operating the edge line of the clamp mechanism 21 (described later) to select either of the blades 7 and 8.

The vice device 12 is equipped with a front-rear feeder 13, a left-right feeder 25, and a vertical feeder 14, and the vertical feeder 14 causes the left-right sliding base 16 to move up and down with respect to the slide plate 15. The woodworking machine main body 1 is attached to the fulcrum part 10 on this left-right sliding base 16 via the slide plate 15.
It is rotatably supported.

That is, as shown in FIG. 2, a motor case 3 containing a rotating shaft 4 is rotatably mounted on a non-rotating slide plate 15, and a center bolt 10a is inserted through the peripheral wall of the motor case 3. The motor case is fitted into the square hole of the slide plate, and is rotatably supported by the slide plate and the center bolt.

Further, a knob 1 is attached to the center bolt 10a of the fulcrum portion 10.
A tightening screw 18 with a lever 19 is screwed onto the tightening screw 18, and a tightening nut 20 with a lever 19 is screwed into the clamping machine groove 2.
1 is formed, and by loosening and tightening the clamp groove 21, the woodworking machine main body 1 can be rotated and fixed relative to the left and right sliding base 16 of the vice device 12.

That is, in order to rotate the main body 1, a tightening screw 18 having a knob 17 fixed to the tip thereof is screwed onto the center bolt 10a, and a lever 19 is provided on the external threaded portion of the tightening screw 18. The tightening nut 20 is screwed together, and its inner end abuts against the open edge of the elongated hole 16a of the left-right sliding base 16. When the tightening nut 20 is tightened, the left-right sliding base 16,
That is, the main body 1 is fixed to the vice device 12, and the tightening nut 20 is loosened, and after this comes into contact with the knob 17, the tightening screw 18 can be loosened by the frictional force between the two, and the main body 1 is It can be rotated.

Further, the supporter 22 is provided with a clamping device 23 for the workpiece W.
is provided, and this clamp plate 23a and pie lock 2
4, the workpiece W is clamped between the two, and the woodworking machine main body 1 can be arbitrarily moved in three directions by operating the forward, backward, left, right, up and down feeding means 13, 25 and 14, and the workpiece W is moved to a desired position. Perform deep insertions and large insertions.

That is, the workpiece W is clamped and a plurality of guide bars (not shown) are interposed between both ends of the vice block 24 and the supporter 22, and the back and forth feeding means 13 is slidable along the guide bars. The forward and backward feeding means is provided with two left and right guide bars disposed orthogonally to the guide bars, and is provided with a left and right sliding base 16 that is slidable along the left and right guide bars. The left and right sliding base has
A left and right feed means 25 having a left and right feed handle rotatably supported by the front and rear feed means 13 is screwed together.

Further, the slide plate 15 rotatably supports the vertical feed means 14 while preventing its movement in the axial direction, and the rotation of the vertical feed means 14 causes the slide plate 15 to move relative to the left and right sliding base 16. It is screwed together so that it can move up and down.

Therefore, after clamping the workpiece and setting it on the processing surface, the depth of cut is determined by the vertical feed means 14, and then the processing machine main body 1, that is, the cutter 7 or 8, is moved to the back and forth feed means 13. By operating the left and right feeding means 25, the machine is moved back and forth and left and right by the required amount to process large holes or dovetail grooves.

Furthermore, dovetail grooves etc. are machined, but the above-mentioned large cutting is done using a flat knife 7.
For dovetail grooves, use the dovetail cutter 8, and for large dovetail hooks, first use the flat cutter 7 to make a large cut, then release the clamping machine groove 21, and then move the woodworking machine body 1 to
The paper is rotated 0 degrees, fixed at that position, and processed by cutting a dovetail with a dovetail knife 8.

Thus, in the woodworking machine described above, the blade cover 26 of the present invention has a so-called vertical (side) [i'' surface shape when the woodworking machine is viewed from the side, and extends from the front wall 27c to the guide portion. A slide cover 27 formed by extending the slide cover 27a is attached to a non-rotating part of the machine body 11, that is, a slide plate 15 in the illustrated example, so that the double-edged tools 7 and 8 can be freely inserted and removed as the woodworking machine body 1 rotates. Then, one of the unused blades is covered and fixed with machine screws 28, etc., and the openings 29 and 29 on both sides shown in FIGS. 3A, B, and C of the slide cover 27 can be opened and closed. The blade cover 30 formed in
a2.32 and the guide portion 27a of the slide cover 27
The openings 29 and 29 are supported on the slide cover 27 so that the openings 29 and 29 can be opened and closed by a sliding operation, and the bottom wall 33 of the cutter cover 30 is fitted with the openings 29 and 29 shown in FIGS. 4A and 4B.

As shown in C, the engaging portion 34 with the rotating shaft 4 or the collet nut 9 is formed by a substantially horizontal U-shaped notch, and when the cutter is covered, the engaging portion 34, the rotating shaft 4, and the collet Woodworking machine body 1 due to relative engagement with nut 9
It is configured to be able to prevent rotation.

Here, the slide cover 27 is shown in FIG. 3A.

As clearly shown in FIGS. B and C, the rear wall 2
At 7d, it is fixed to the slide plate 15 with machine screws 28.

A notch 15.35 is formed on both sides of the lower end of the front wall 27c, which corresponds to the slide length J32.32 and the guide portion 2.
7a can be easily engaged.

On the other hand, as shown in FIGS. 4A, B, and C, the cutter cover 30 has a top wall 30a and left and right side walls 31 and 31 that can close both the left and right openings 29 and 29 of the slide cover 27.
It is formed integrally with a front wall 30b that slopes downward to the front and a bottom wall 33, and is open from the rear part to the latter half of the bottom part, and is externally covered by the slide cover 27.

Further, pressure valves 27d', 27d' are curved forward from both the left and right sides of the lower end of the rear wall 27d of the slide cover 27, while the left and right walls 31 of the cutter cover 30 are curved forward.
．． Recesses 30c, 30c are provided on the inner surface of the lower end of the slide cover 27, and when the cutter is covered with the cutter cover 30 as shown in FIG. 4A, the pressing pieces 27d' of the slide cover 27,
27d' to hold the cutter cover 30 in a closed state, and the slide long groove 32.
The rear ends of the blades 32 are caulked 32a, 32aL so that the blade cover 30 does not come off from the slide cover 27 depending on its forward sliding limit.

In addition, in the illustrated example, the guide portion 27a and the slide long groove 3
2.32 is shaped by tilting downward to the rear.

Shaping the guide portion 27a and the slide long grooves 32, 32 in this way is convenient because it can prevent the cutter cover 30 from opening naturally due to vibrations of the machine body, etc. when processing a dog holder or the like.

As explained above, according to the cutter cover for a woodworking machine according to the present invention, the combination of the slide cover 27 with a side profile shape and the cutter cover 30 with a cross-section shape allows the blade cover to be attached to both ends of the rotating shaft 4, respectively. Of course, it is possible to completely enclose one of the double-edged tools 7 and 8 that is not in use, and by sliding the cutter cover 30 with respect to the slide cover 27, the slide cover can be removed. By opening and closing the openings 29 on both sides of the blade 27, the cutter can be completely covered easily and easily, and the cover can be released. The engaging portion 34 and the rotating shaft or collet nut 9 are engaged with each other to close the woodworking machine body 1.
Therefore, when selecting and using one of the double-edged tools 7 and 8, closing the cutter cover 30 after rotating the woodworking machine body 1 and prior to fixing it with the clamp mechanism 21 prevents its engagement. The rotating shaft 4 is positioned by the engagement between the joint 34 and the collet nut 9, etc., so if the woodworking body 1 is fixed in this position, the unused cutter will be held at the center of the cover. Since the cutter is prevented from coming into contact with the cover and damaged, it is possible to completely cover the unused cutter, which has the effect of ensuring the integrity of the cutting work in this type of machine.

In addition, by simply sliding the cutter cover 30 in the front and back direction, it is possible to cover unused cutlery and to freely put in and take out the cutlery with one rotation of the woodworking machine main body when selecting double-edged tools 7 and 8. Moreover, it can be easily carried out, and furthermore, it can be manufactured at low cost with a simple structure using only a few members, such as the slide cover 27 and the cutter cover 30.

[Brief explanation of the drawing]

Fig. 1 is a side view showing an example of a woodworking machine equipped with a cutter cover according to the present invention, Fig. 2 is an enlarged longitudinal sectional side view of the cover,
Figures A, B, and C show the slide covers of the same cover, with A being a side view, B being a bottom view,
C is a front view of the same cover, Figures 4A, B, and C are each a cutlery cover of the same cover, A is a vertical side view of the cover shown together with the slide cover, B is a bottom view of the cover, and C is a rear view of the same cover. be. 1... Woodworking machine body, 4... Rotating shaft, 7
, 8... cutler, 10... fulcrum part, 11
... Airframe, 12 ... Vise device, 27
......Slide cover, 27a...Guide part, 29...Both side openings of slide cover,
30...Blade cover, 31...Side wall of cutter cover, 32...Slide long groove, 33...
... Bottom wall of the blade cover, 34 ... Engagement part.

Claims (1)

[Scope of utility model registration request] A woodworking machine main body 1 equipped with a rotating shaft 4 having blades 7 and 8 attached to both ends, respectively, is connected to a machine body 11 that is integrated with a vice device 12 by a fulcrum 10 located perpendicular to the longitudinally intermediate portion of the rotating shaft. In a woodworking machine, the sliding plate of the machine body 11 is attached to the vise device and does not rotate. The slide cover 27, in which the front wall 27c is formed into a substantially mouth-shaped longitudinal section through the top wall 27b from the rear wall 27d fixed to the top wall 27b, and the guide portion 27a is formed by extending from the front wall, is inserted into the rotation of the woodworking machine main body. The two blades are attached so that they can be put in and taken out freely as they move, covering one of the unused blades, and opening the openings 2929 on both sides of the slide cover.
A slide long groove 3 with a cutter cover formed in a shape that can be closed in the front and back direction on both side walls 31.
2.32 and the above-mentioned guide part are engaged with each other so that it can be slid open and closed, and a rotating shaft or the like is attached to the bottom wall 33 of the cutter cover so that the rotation of the woodworking machine body can be prevented when the cutter cover is covered with the cutter cover. A cutter cover for a woodworking machine, characterized in that it is provided with an engaging part 34.