JPH034362B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a V-groove cutting method for forming V-shaped grooves on the surface of a flat plate such as plywood used as a wall material.

[Conventional technology]

As shown in FIG. 11, a plurality of V-shaped grooves a are formed in parallel on the surface of plywood A used as wall material, or as shown in FIG. It has been common practice in the past to enhance the decorative effect of plywood A by forming grooves a and lateral V-shaped grooves b.

When cutting the V-shaped grooves a and b as described above, conventionally, the workpiece is placed and positioned on a workpiece support plate, and the workpiece support plate and a V-groove cutting cutter placed on the workpiece support plate are used. Either one of them is moved on a plane.

[Problem that the invention seeks to solve]

By the way, in the above cutting method,
The bottom surface of the workpiece is used as a reference surface, and the cutting edge of the V-groove cutting cutter is moved along the back side of the reference surface, so the V-shaped cutting cutter is suitable for workpieces with uneven thickness or waves on the top surface. There is a disadvantage that the depth of the groove becomes non-uniform and it is not possible to cut a V-shaped groove with a constant groove width.

Therefore, the present invention eliminates the above-mentioned disadvantages and is capable of cutting a V-shaped groove with a constant groove depth and groove width even on a workpiece with uneven thickness or a workpiece with waves on the upper surface. The purpose is to provide a method.

[Means for solving problems]

In order to achieve the above object, the present invention includes a step of placing and positioning a flat workpiece on the upper surface of a workpiece support plate that is movable with respect to the lower surface of a fixed surface plate having an opening; rise up the board,
A step of pressing the upper surface of the work against a plurality of elongated workpiece positioning members arranged in parallel provided on the lower surface of the fixed surface plate, and supported movably in the cross direction of the workpiece positioning members provided above the fixed surface plate. The process of moving the bar parallel to the top surface of the workpiece and cutting a V-groove in the top surface of the workpiece using a plurality of V-groove cutting cutter spindles attached to the bar was adopted.

〔Example〕

Embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in FIG. 1, a plurality of columns 2 are provided on the upper surface of a fixed base 1, and a fixed surface plate 3 is supported by the columns 2.

A workpiece support plate 4 disposed between the fixed table 1 and the fixed surface plate 3 is equipped with a plurality of guide rods 5 on the outer periphery of the lower surface, and the guide rods 5 are inserted into a guide cylinder 6 attached to the fixed table 1 to support the workpiece. A support plate 4 is supported so as to be movable up and down, and a cylinder 7 for raising and lowering the workpiece support plate 4 is supported by the fixed base 1.

In FIG. 5 and FIG. 6, the work support plate 4 is shown.
The details of a transport device 8 that transports a flat workpiece W onto the workpiece support plate 4 are shown.

Positioning members 9 and 10 for the front side and one side of the workpiece W fed onto the workpiece support platen 4 are provided at the rear part of the upper surface and one side of the upper surface of the workpiece support plate 4 . Moreover, pushers 11 and 12 for pushing the workpiece W toward the positioning members 9 and 10 are arranged on the front side and the other side of the workpiece support board 4. As shown in FIG. 3, the front pusher 11 is supported so as to be able to swing around a pin 13.
It is oscillated by the cylinder 14. Further, the pusher 12 on the other side is movably supported toward the positioning member 10 on the side, and is moved by the operation of the cylinder 15.

The conveyance device 8 includes a belt conveyor 16, and the belt conveyor 16 and a motor 17 for driving the conveyor are moved up and down together with the workpiece support plate 4. The belt conveyor 16 includes a plurality of endless belts 18, and a portion of the carrier side belt 19 of each belt 18 is inserted into a guide groove 20 formed on the upper surface of the workpiece support plate 4. The conveying surface of this carrier side belt 19 is lower than the upper surface of the positioning members 9 and 10. For this reason,
The workpiece W is attached to the carry-in side end of the carrier side belt 19.
and by driving the belt conveyor 16,
When the work W is transported, the work W comes into contact with the front positioning member 9 and stops on the work support plate 4.

Note that when the workpiece W is supplied onto the workpiece support plate 4, each of the pushers 11 and 12 is activated.
The work W is pushed toward the positioning members 9 and 10 by the action of the pushers 11 and 12, and is positioned on the work support plate 4.

A belt push-up member 21 is disposed at the bottom of the guide groove 20, and when the push-up member 21 is raised by the operation of a cylinder 22 supported on the lower surface of the workpiece support plate 4, the push-up member 21 Then,
A portion of the carrier side belt 19 is lifted. At this time, the carrier belt 19 is lifted above the upper surface of the positioning member 9. Therefore, by releasing the pressure from the pushers 11 and 12 and lifting the carrier belt 19, the workpiece W, which is stopped on the workpiece cylinder 4, can be transported to the discharge side end by driving the belt conveyor 16. Can be done.

As shown in FIG. 2, the fixed surface plate 3 has a rectangular opening 23 formed therein, and both ends of each of the plurality of bars 24 arranged on the opening 23 are connected to the opening 23.
It is supported so as to be movable along a pair of linear rails 25, 25 provided on the upper surface of the fixed surface plate 3 on both sides thereof.

One end of an arm 26 is connected to both ends of each bar 24, and the other end of the arm 26 is connected to a fixed surface plate 3.
It is connected to a piston rod 28 of a bar moving cylinder 27 supported on the upper surface of the bar. For this reason,
When the cylinder 27 is actuated, the bar 24 moves along the linear rail 25.

The bar 24 has a guide hole 29 along which a plurality of cutter holders 30 are slidably supported, and each cutter holder 30 is fixed by rotation of the clamp lever 31 in the tightening direction. As shown in FIG. 3, this cutter holder 30 rotatably supports a cutter spindle 32, and the cutter spindle 32 is rotated by supply of high pressure air. The lower part of the cutter spindle 32 passes through the opening 23 of the fixed surface plate 3 and projects below the fixed surface plate 3, and its tip has a conical shape as shown in FIG.

As shown in FIG. 3, below the fixed surface plate 3, a positioning member 33 for the upper surface of the workpiece W is arranged. This positioning member 33
4 in a direction transverse to each spindle 3;
They are located symmetrically with 2 as the center.

Both ends of the positioning member 33 are movably supported along a pair of parallel rails 34 arranged at the front and rear of the fixed surface plate 3, as shown in FIGS. 11 and 4, A guide rod 36 is provided on the lower surface of the rail support member 35 passed between both ends of the rail 34, and a guide tube 37 that slidably supports the guide rod 36;
The rail support member 35 and the lifting cylinder 38 are supported by the fixed base 1. Therefore, the cylinder 38 is actuated to lower the rail support member 35,
By moving the positioning member 33 away from the lower surface of the fixed surface plate 3, the position of the positioning member 33 can be adjusted along the rail 34.

Now, when a flat workpiece W is placed and positioned on the workpiece support plate 4 and the workpiece support plate 4 is raised by the operation of the support plate elevating cylinder 7, the upper surface of the workpiece W is placed on the fixed surface plate. 3, and the upper surface of the workpiece W is positioned. Therefore, Katsuta spindle 32
When the bar moving cylinder 27 is operated to move the bar 24 along the linear rail 25 while the cutter spindle 32 is being rotated, the conical part at the tip of the cutter spindle 32 becomes parallel to the upper surface of the workpiece W. A V-shaped groove can be formed on the upper surface of the workpiece W. In this case, the upper surface of the workpiece W is positioned by the positioning member 33, and the cutter spindle 32 moves in parallel along the positioned upper surface of the workpiece, so that the upper surface of the workpiece W has a constant groove depth and groove width. Shape grooves can be formed.

When forming a horizontal V-shaped groove b between vertical V-shaped grooves a using the V-groove cutting device having the above configuration, the plywood shown in FIG. 11 is used as the workpiece, and the workpiece W is used as the workpiece. Set it on the support plate 4. In this case, the workpiece W is set on the support plate 4 so that the vertical V-shaped groove a of the workpiece W is parallel to the bar 24, and the cutter spindle 32 is placed in the vertical V-shaped groove a of the workpiece W. Make sure the tip fits into the
The position of the cutter spindle 32 is adjusted, and cutting work is performed by moving the cutter spindle 32 by a distance corresponding to the interval dimension of the vertical V-shaped grooves a.

Although the position adjustment mechanism of the cutter spindle 32 is omitted in the figure, the cylinder 27 for moving the bar is
It is possible to adopt a mechanism in which the cylinder 27 is supported movably along a guide rod parallel to the cylinder 27, and the cylinder 27 is moved along the guide rod by rotation of a threaded rod.

After V-groove cutting is completed, lower the workpiece support plate 4,
After releasing the pressure from pushers 11 and 12, the first
As shown in FIG. 0, the carrier side belt 19 is lifted up above the upper surface of the positioning member 9 by the belt pushing up member 21, and carried out by the movement of the carrier side belt 19.

In the case of the embodiment, a plurality of cutter spindles 32 are attached to each of the plurality of bars 24, but the bar 2
4 and the number of cutter spindles 32 are not limited to these.

〔effect〕

As described above, in the present invention, the workpiece is placed on the workpiece support plate for positioning, the workpiece support plate is raised to come into contact with the workpiece positioning member disposed on the lower surface of the fixed surface plate, and the positioning member Since the cutter spindle is rotated and moved along the top surface of the workpiece whose top surface has been positioned by It is also possible to cut a V-shaped groove with a constant groove width. Further, since a plurality of cutter spindles are attached to a bar supported movably in the cross direction of the positioning member, a plurality of V-grooves can be simultaneously cut on the upper surface of the workpiece by moving the bar. Therefore, the V-groove can be cut very efficiently, and the cutting device can be simplified compared to the case where the cutter spindle is moved alone.

[Brief explanation of the drawing]

FIG. 1 is a front view of a cutting device that implements the method according to the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a sectional view taken along the line - in FIG.
Figure 5 is a plan view of the work support plate shown above, Figure 6 is a cross-sectional view taken along the line - in Figure 5, Figure 7 is the state at the start of V-groove cutting. 8 is a sectional view taken along the - line in FIG. 7, FIG. 9 is a sectional view showing the state after cutting is completed, and FIG. 10 is a sectional view showing the workpiece being discharged.
Figures 11 and 12 are perspective views of the product. 3...Fixed surface plate, 4...Work support plate, 32...
...Katsuta spindle, 33...Positioning member.

Claims (1)

[Claims] 1 A step of placing and positioning a flat workpiece on the upper surface of a workpiece support plate that is movable relative to the lower surface of a fixed surface plate having an opening, and a step of raising the workpiece support plate and placing it on the lower surface of the fixed surface plate. a step of pressing the top surface of the workpiece against a plurality of elongated workpiece positioning members arranged in parallel; a bar provided above the fixed surface plate and supported movably in a direction intersecting the workpiece positioning members is pressed against the top surface of the workpiece; A V-groove cutting method comprising the steps of cutting a V-groove on the upper surface of a workpiece using a plurality of V-groove cutting cutter spindles that are moved in parallel and attached to the bar.