JPH0872015A - Woodworking wheel machine - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a small and inexpensive woodworking machine. [Structure] The spindle is provided with a shaft hole that penetrates in the axial direction,
By constructing one end of the spindle so that a suction chuck having a suction hole for sucking the workpiece can be attached and the other end of the spindle being connectable to a vacuum cleaner suction pipe, it is possible to use a vacuum cleaner for household use. Adopt a work material so that cutting work can be performed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a woodworking lathe.

[0002]

2. Description of the Related Art In a woodworking potter's wheel, a motor drives a spindle to rotate, and one end of the spindle chucks and rotates a workpiece, while a blade rotates the workpiece. In addition to the mechanical chuck, conventionally, the chuck for the work material has a vacuum chuck system in which a vacuum pump is incorporated into the main body of a woodworking lathe machine and the work material is sucked by the vacuum pump. .

[0003]

However, in this conventional vacuum chuck system, there is a problem that the structure becomes complicated, the size becomes large, and the cost becomes high because the vacuum pump is incorporated. An object of the present invention is to solve such problems and to provide a small and inexpensive woodworking lathe.

[0004]

In order to achieve the above object, according to the present invention, in a woodworking lathe that rotates a spindle and rotates a work piece by the rotation of the spindle, the spindle penetrates the spindle in the axial direction. And a suction chuck having a suction hole for adsorbing a workpiece can be attached to one end of the spindle, and a vacuum cleaner suction pipe can be connected to the other end of the spindle. There is.

[0005]

As described above, in the woodworking lathe of the present invention, the spindle is provided with the axial hole penetrating in the axial direction, and one end of the spindle is constructed so that the suction chuck having the suction hole for sucking the workpiece can be attached. Since the other end of the spindle can be connected to a vacuum cleaner suction pipe, it is possible to adsorb a workpiece with a household vacuum cleaner and perform cutting, and the structure is simple, compact, and inexpensive. Becomes

[0006]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a woodworking lathe according to an embodiment of the present invention. On the upper surface of the base 1, first and second frame plates 2 and 3 are attached at their lower ends at right angles to mounting pieces 2a and 3
It is fixed by a screw 4 at a.

The first and second frame plates 2 and 3 are connected and fixed by pipe-shaped frame shafts 5, 6 and 7, 8 which are parallel to each other at their upper ends and intermediate portions. A plate-shaped motor base 10 is attached to the frame shafts 7 and 8.

That is, as shown in FIG. 3, a pipe 11 is fixed to the lower surface of one end of the motor base 10,
One frame shaft 8 is attached to the pipe 11 so as to be rotatable and axially movable. The motor base 10 and the pipe 11 are provided with a threaded hole 12 penetrating therethrough. By lightly tightening the tip of the tightening screw 13 to the frame shaft 8, the motor base 10 cannot move in the axial direction of the frame shaft 8, Rotation is possible.

On the other frame shaft 8, the pipe 1
4 is attached so as to be rotatable and axially movable. An ear piece 15 having a screw hole 15a is provided on the pipe 14 so as to project outward in the radial direction. On the other end side of the motor base 10, a protruding piece 16 is projected outward from the frame shaft 7.
The projecting piece 16 is provided with a hole 16a larger than the bolt 17 and smaller than the head 17a of the bolt 17. Bolt 17 inserted in this hole 16a
Is screwed into the screw hole 15a of the ear piece 15.

Therefore, the ear piece 15 of the pipe 14 is replaced by the pipe 1.
The motor base 10 can rotate counterclockwise (in the drawing) about the frame shaft 8 within a range in which the motor base 10 moves upward by the rotation of 4. On the upper surface of the motor base 10, the drive shaft 21 has the frame shaft 5,
The motor 20 is fixed so as to be parallel to 6, 7, and 8. A plurality of stages of pulleys 22 are fixed to a drive shaft 21 of the motor 20.

A spindle 32 is rotatably mounted above the first and second frame plates 2 and 3 by U-shaped supports 30 and 31 in parallel with the frame shafts 5, 6, 7 and 8. Has been. A pulley 33 is provided on the spindle 32.
Is fixed to the pulley 33 and the motor 2
A belt 34 spans between the pulley 22 fixed to the drive shaft 21 of 0.

When a sudden and strong load is applied to the rotation of the spindle 32 during the cutting work of the work material, a strong load is applied to the belt 34 to generate a force in the direction opposite to the running direction of the belt. The motor base 10 can rotate counterclockwise around the frame shaft 8 until the protruding piece 16 contacts the head portion 17a of the bolt 17, and the pipe 14 further rotates and the ear piece 15 reaches upward. By rotating up to, damage and pain of the belt 34 are prevented.

An annular flange portion 35 is provided on one end side of the spindle 32, and a screw surface 36 for screwing a face plate 120, which will be described later, is provided on the outer periphery of the tip end side thereof. The spindle 32 is provided with a concentric shaft hole 37 penetrating in the longitudinal direction. At one end of the shaft hole 37, an inclined portion 37a whose inner diameter gradually increases toward the opening 38
Is provided.

The cover 40 has the first and second frame plates 2,
3 is attached to the upper end of 3 by a hinge (not shown) so as to be openable and closable, the spindle 32 projects outward from the notches 41 and 42 on both sides thereof, and the left end of the spindle 32 is a household cleaner. Can be inserted into the suction pipe 160.

An L-shaped table 50 is attached to the second frame plate 3. An elongated hole 51 parallel to the spindle 32 is provided at the center of the table 50, and a saddle 60 is attached at an arbitrary position and in an arbitrary direction along the elongated hole 51.

That is, the long plate-shaped saddle 60 is provided with a long hole 61, the long hole 51 and the long hole 61 are aligned with each other, and a bolt 62 is provided.
A nut 63 is attached to the saddle 6 and a tightening lever 64 fixed to the head of the bolt 62 is rotated to operate the saddle 6
Fix 0. In addition, 65a and 65b are spacers.

A cylindrical support member 66 is provided at one end of the saddle 60.
A columnar post 71 of a tool rest 70 is rotatably fitted into the support 66, and the post 71 is pressed by the tip of a tightening screw 68 mounted in a screw hole 67 of the support 66. By doing so, the column 71 can be fixed in any direction and at any height.

Therefore, the saddle 60 is moved along the elongated hole 51 of the table 50 and selected in an arbitrary direction, and further, the saddle 60 is moved in the direction along the elongated hole 61 of the saddle 60, and the tightening lever 64 is used. Saddle 60 table 50
Further, by fixing to the
By selecting the height of 1 and fixing it with the tightening screw 68, the tool rest 70 can be positioned at any position, height and direction.

5 and 6 show a second embodiment of the present invention. In this embodiment, the first and second frame plates 2, 3
In addition to the third frame plate 80,
These frame plates 2, 3 and 80 are two pipe-shaped frame shafts 81 which are parallel to each other in the horizontal direction.
It is fixed by 82, 83 and 84.

Two upper frame shafts 81, 82
A movable body 90 is slidably attached to the. The movable body 90 is formed by connecting two substantially triangular plate bodies 91 and 92 with a vertical plate 93 and a horizontal plate 94 below the plate 93, and insertion holes 95, 95, ... The frame shafts 81 and 82 are inserted through.

Bolts 97 are inserted into the round holes 96a of the elongated plate-like tightening plates 96 on the lower sides of the frame shafts 81 and 82 from below.
Is further inserted through the screw hole of the cylindrical portion 94a of the horizontal plate 94 from below, and the tightening lever 98 fixed to the lower end of the bolt 97 is rotated to move the tightening plate 96 from below to the frame. The movable body 90 is fixed to the frame shafts 81 and 82 at arbitrary positions by pressing the shafts 81 and 82.

At the upper ends of the plate members 91 and 92, cylindrical members 100 and 101 having the same diameter are fixed so as to pass through the same axis as the spindle 32. Two cylinders 100, 1
01 with a conical portion 102a at one end
2 is slidably fitted in the axial direction.

A screw surface 1 is formed on the outer periphery of the rear portion of the center shaft 102.
02b is provided, and a ring-shaped screw ring 103 having a threaded surface 103a on the inner peripheral wall is screwed to the center shaft 102, and is positioned closely in the gap between the two cylindrical bodies 100, 101. Therefore, when the screw ring 103 is rotated, the center shaft 102 moves in either axial direction in response to this.

A screw hole is provided in the cylindrical body 100, and the center shaft 102 can be fixed by the tip of a tightening screw 104 screwed into the screw hole. Therefore, in order to hold the other end of the work piece held by one end of the spindle 32 by the center shaft 102, the moving body 90 is moved along the frame shafts 81, 82 and the tightening lever 98 is operated to tighten the tightening lever 98. The plate 96 is fixed to the frame shafts 81 and 82, the screw ring 103 is rotated, the conical portion 102a at the tip of the center shaft 102 is pressed against the other end of the workpiece, and the center shaft 102 is fixed by the tightening screw 104.

The saddle 60 abuts on the upper sides of the upper two frame shafts 81 and 82, and is fixed by tightening the tightening plate 110 from the lower side of the frame shafts 81 and 82 with the tightening lever 64. Except for the above points, the second embodiment has the same configuration as the first embodiment of FIG. As shown in FIG. 7, at one end of the spindle 32,
The face plate 120 can be attached.

That is, the face plate 120 is provided with a cylindrical portion 123 having a screw hole 122 on the back surface of the disk portion 121, and the face plate 120 is screwed into the screw surface 36 at one end of the spindle 32. Can be installed. A threaded hole 124 is provided at the center of the disk portion 121 of the face plate 120, and a screw shaft 125 can be attached to the threaded hole 124.

The workpiece W is screwed onto and attached to the screw shaft 125 of the face plate 120, the motor 20 is driven, and the spindle 32 is rotated by the belt 34 to rotate the workpiece W while the workpiece P is processed by the blade P. Figure 7 on the opposite side of W
8, the motor 20 is stopped, the face plate 120 is removed from the spindle 32, and the inclined portion 37 of the shaft hole 37 of the spindle 32 is removed as shown in FIG.
The conical portion W1 can be pushed into and fitted into a, and the motor 20 can be driven again to rotate the spindle 32 and the workpiece W, while the workpiece W can be cut.

Further, the workpiece W can be held by pushing the claw chuck 130 shown in FIG. 9 into the inclined portion 37a of the shaft hole 37 of the spindle 32 as shown in FIG.

The claw chuck 130 is in the shape of a conical cylinder, and has a plurality of (for example, four) corrugated claws 131 at its tip, and one end of the workpiece W is held by the plurality of claws 131. At the other end of the workpiece W, the moving body 90 is moved along the frame shafts 81 and 82 to move the center shaft 10 thereof.
It can be held at 2. A chuck 140 shown in FIGS. 11 and 12 can be attached to the face plate 120.

That is, the chuck 140 is a donut cylindrical ring body 141 in which holding bolts 143 are screwed into four holding screw holes 142 provided in the radial direction at intervals of 90 °. Thus, the ring body 141 is provided with an axial mounting screw hole 144.

The disc portion 121 of the face plate 120 has four holes 126 at positions corresponding to the mounting screw holes 144.
Are provided, and the four holes 126 and the ring body 14 are provided.
The chuck 140 can be fixed to the face plate 120 with the screw 126 by aligning the mounting screw holes 144 of No. 1 with each other.

Then, as shown in FIGS. 12 and 13, for example, one end of the work piece W, which is a square piece, is attached to the four holding bolts 1.
It is possible to insert the blade tip of a flat-blade screwdriver into the groove 143a of 43 and rotate it so that it can be held by the tip of the holding bolt 143. Then, the other end of the workpiece W is moved to the moving body 90.
It is held by the center shaft 102. Note that a pad 145 may be provided at the tip of the holding bolt 143 as shown in FIG. As shown in FIG. 4, a suction plate 150 for vacuum suction can be further attached to the face plate 120.

That is, the face plate 120 is radially provided with, for example, four suction holes 127 penetrating from the bottom surface of the screw hole 122 of the cylindrical portion 123 to the outer surface of the disc portion 121. The suction plate 150 is provided with four suction holes 151 that are radially provided in conformity with the suction holes 127 of the face plate 120 and a screw hole 152 at the center, and as shown in FIG.
The screw shaft 125 of 0 to the screw hole 152 of the suction plate 150.
The suction holes 127 of the suction plate 150 are aligned with the suction holes 127 and communicate with each other.

On the opposite side of the spindle 32, as shown in FIG. 4, a suction pipe 160 of an electric vacuum cleaner for general household use is placed on a pedestal 161, and the spindle 32 is attached to the suction pipe 160.
Insert the opposite end of. In this way, when the electric vacuum cleaner is operated and sucked through the suction pipe 160, the outside air is sucked into the suction hole 151 of the suction plate 150 and the suction hole 1 of the face plate 120.
27, and is sucked through the shaft hole 37 of the spindle 32.
Therefore, when the workpiece W is brought into contact with the outer surface of the suction plate 150, the workpiece W is sucked and held, and thus the workpiece W can be rotated while the workpiece W is rotated. In addition,
It is also possible to directly adsorb the workpiece on the face plate 120 from which the screw shaft 125 is removed.

Thus, at one end of the spindle 32,
It is also possible to directly hold the workpiece as shown in Fig. 8,
Further, as shown in FIG. 10, the work piece can be held by inserting the claw chuck 130, and as shown in FIG. 7, the work piece can be held via the face plate 120. As shown in FIG. 4, a ring-shaped chuck 140 can be attached via the face plate 120 to hold the workpiece, and as shown in FIG. 4, a shaft hole 37 penetrating in the axial direction of the spindle 32 can be formed. It is also possible to suction from one end of the above with a household vacuum cleaner and to adsorb and hold the work material on the face plate 120 side.

[0036]

As described above, since the woodworking lathe of the present invention is constructed, a household vacuum cleaner can be used to adsorb a workpiece and perform cutting, and the structure is simple. , Smaller and cheaper.

[Brief description of drawings]

FIG. 1 is a front view of an embodiment of the present invention drawn in a partial cross section.

FIG. 2 is a perspective view of FIG. 1;

FIG. 3 is a side view showing a partial cross section of a main part in FIG.

FIG. 4 is a schematic cross-sectional view of a usage state of the present invention.

FIG. 5 is a schematic sectional view of another embodiment of the present invention.

6 is a perspective view of the main part of FIG.

FIG. 7 is a cross-sectional view showing a usage state of the present invention.

FIG. 8 is a sectional view showing a usage state of the present invention.

FIG. 9 is a perspective view showing a claw chuck.

FIG. 10 is a sectional view showing a usage state of the present invention.

FIG. 11 is a perspective view of a chuck.

FIG. 12 is a front view drawn in a partial cross section of FIG. 11.

FIG. 13 is a sectional view showing a usage state of the present invention.

[Explanation of symbols]

 2 1st frame board 3 2nd frame board 10 Motor base 16 Projecting piece 17 Bolt 20 Motor 32 Spindle 37 Shaft hole 37a Inclined part 38 Opening 40 Cover 50 Table 51 Long hole 60 Saddle 64 Tightening lever 70 Turret 80 80th 3 frame plate 81, 82, 83, 84 frame shaft 90 moving body 102 center shaft 104 tightening screw 120 face plate 125 screw shaft 127 suction hole 130 claw chuck 140 chuck 150 suction plate

Claims (1)

[Claims] 1. A woodworking lathe in which a spindle is rotationally driven and a workpiece is rotated by the rotation of the spindle. A spindle hole is provided in the spindle in an axial direction, and one end of the spindle attracts the workpiece. A woodworking potter's wheel characterized in that a suction chuck having a suction hole for use is attachable and a cleaner suction pipe can be connected to the other end of the spindle.