JP2003236802A - Lower tenon processing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tenon processing device for forming various lengths of lower tenons of column members without changing processing edges. <P>SOLUTION: A processing edge 15 of a small diameter is fixed to an end of a rotary shaft of a head, a chamfering edge 15a is formed on an inner end of the processing edge 15, and a processing edge 16 of a large diameter almost in contact with the chamfering edge 15a is fixedly attached to the rotary shaft. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lower mortise processing apparatus for processing a lower mortise on an end portion of a pillar material.

[0002]

2. Description of the Related Art Recently, for the purpose of making an earthquake-resistant house, there are some types in which the tenon length of the pillars is made longer, and some of them are shorter than the tenons of the conventional pillars. There are various requirements for products.

[0003]

However, in such a lower tenon processing device for processing the lower tenon of the pillar material, a short working blade is used and a long lower tenon is used for processing a short lower tenon. When machining, the blades are replaced with longer ones. Therefore, conventionally, when changing the tenon length, use a machining blade with a length that corresponds to the changed tenon length. There was a need.

[0004]

According to the present invention, there is provided a mounting table mounted on a base table, and a column table having a bearing installed on the mounting table for engaging a rail and having a column on the upper part thereof.
A left-right servomotor that is mounted on the mounting base to move the pillar base to the left and right, a head mounting base that mounts a bearing that engages a rail mounted on the side surface of the pillar, and a head mounting base that is mounted on the upper part of the pillar. A vertically moving servo motor that moves the head mounting table up and down connected to a ball screw that passes through the inside of the support column, and a rotating shaft that is mounted on the head mounting table and rotated by the motor and has the same axis as a large-diameter machining blade. A machining head provided with a small-diameter machining blade attached to the tip, a mounting table mounted on the base table, a belt conveyor mounted on the mounting table to move a column material, and the column material. A clamp which is fixed by pressing from the left and right and from above, and the conveyor is mounted on a moving table on which a bearing that engages with a rail mounted on the mounting table is mounted, and the mounting table is mounted. To The ball screw is supported by the mounted support bearing, the nut fixed to the moving base is engaged with the ball screw, and the nut is moved by rotating the ball screw with the servo motor mounted on the mounting base. To move the moving table,
Further, a chamfering blade is provided at the tip of the column member at the connecting portion of the small-diameter machining blade with the large-diameter machining blade to chamfer the tip of the column member.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION In the present invention, a pillar material is moved along a guide to a predetermined position by a conveyor, the pillar material is projected in the vicinity of a processing blade, and the pillar material is clamped by a clamp to reduce the diameter of the machining head. Machining a short tenon with a machining blade, moving a moving table equipped with a conveyor with a moving motor to move the pillar material to a predetermined position, and using a large-diameter machining blade, continue to tenon the protruding part. By processing, the lower tenon of various lengths can be processed without replacing the processing blade.

[0006]

1 is a front view of a lower tenon processing apparatus according to an embodiment of the present invention, FIG. 2 is a right side view of the lower tenon processing apparatus of FIG. 1, and FIG. 3 is a plan view of the lower tenon processing apparatus of FIG. A motor mounting base 2 is mounted on the base base 1, rails 3 are mounted on the upper part of the motor mounting base 2, and bearings 4 are engaged with the rails 3, respectively. 5 is mounted on the lower part of the motor mounting rail 2 of the motor mounting base 2
A servo motor 7 is mounted between the rails, a rail 8 is mounted on the side surface of the support column 6, and a bearing 9 is mounted on the rail 8.
, The bearing 9 is mounted on the head mounting base 10, and the ball screw shaft 11 is mounted between the rails 8 of the support column 6.
The ball screw shaft 11 is rotatably mounted by the servo motor 12 provided on the upper portion of the support column 6, and the nut 13 engaged with the ball screw shaft 11 is connected to the head mounting base 10. A head 14 integrated with a motor is mounted on the table 10, a small-diameter machining blade 15 is fixed to the tip of the rotating shaft of the head 14, and a chamfering blade 15a is formed at the inner end of the small-diameter machining blade 15. A large-diameter machining blade 16 is fixed to the rotary shaft so as to be almost in contact with the chamfering blade 15a.

Further, a mounting table 17 is mounted on the base table 1 at a distance from the motor mounting table 2, rails 18 are mounted on the mounting table 17, and the bearings 1 are mounted on these rails 18.
9 are engaged with each other, and the bearing 19 is attached to the movable table 2
0 is fixed to the moving table 20 and the pulley 2
A belt conveyor 24 composed of a belt 23 supported by 1 and 22 is configured, a rotary shaft 21a of a pulley 21 of the belt conveyor 24 is supported by a support bearing 25, and a sprocket 26 is fixed to an end of the rotary shaft 21a. The chain 27 hung on the sprocket 26 is hung on the sprocket 28 a of the rotary shaft of the moving servomotor 28, and further, the pulley 22 of the belt conveyor 24.
The rotary shaft 22a of is supported by a support bearing 29, and
A support bearing 30 is mounted on the mounting table 17, a ball screw 31 is supported by the support bearing 30, a pulley 32 is fixed to one end of the ball screw 31, and a nut 33 is engaged with the ball screw 31. Is connected to the moving table 20, and further, the front-rear servomotor 34 is fixed to the mounting table 17, and the pulley 34a attached to the rotary shaft of the front-rear servomotor 34 and the pulley 32 fixed to the end of the ball screw 31 are connected. A belt 35 is hung between them.

A guide support member 36 is mounted on the movable table 20 between the rotary shafts 21a and 22a, and a guide 37 fixed to the guide support member 36 is mounted on the belt conveyor 24 in the moving direction of the belt conveyor 24. A support member 38 is mounted on the moving table 17 facing the guide 37, and the cylinder 39,
The guide shaft 40 is supported, and the drive shaft 39 of the cylinder 39 is
a, a clamp 42 is fixed to the tip of the guide shaft 40,
Further, the upper cylinder 43 and the guide shaft 44 are mounted on the upper portion of the support member 38, and the upper clamp 45 is fixed to the lower ends of the drive shaft 43a and the guide shaft 44 of the upper cylinder 43.

In the lower tenon processing apparatus of this embodiment having the above-described structure, the pillar member 4 placed on the belt conveyor 24 is used.
6 is moved to a predetermined position along the guide 39 by rotating the belt 23 of the belt conveyor 24, where the cylinder 37 is driven to fix the column member 46 with the clamp 42 and the guide 37, and further, the upper cylinder 43. To lower the upper clamp 45, fix the column member 46 with the upper clamp 45, and move the column 6 left and right and the head 14 up and down as shown in FIG.
With a small-diameter machining blade 15 of 4
8a is machined, and the tip of the tenon 46a of the pillar member 46 is obliquely cut by the chamfering blade 15a formed on the inner end of the small-diameter machining blade 15 so that the tenon 46a can be easily inserted into the tenon. Further, by driving the servo motor 34 mounted on the mounting table 17, the belt 35 is driven, the ball screw 31 is rotated, the nut 33 engaged with the ball screw 31 is moved, and the moving table 20 is moved. , The column member 46 is moved in the direction of the head 14 together with the belt conveyor 24,
When the tenon 46a is moved to a predetermined position, the tenon 46a of the column member 46 is continuously machined by the large-diameter machining blade 16 of the head 14 to machine the tenon 46a of a desired length, as shown in FIG. be able to.

In this embodiment, as described above, by mounting the small-diameter and large-diameter machining blades 15 and 16 on the same rotary shaft of the head 14, the column member 46 is moved by the belt conveyor 24, and the belt is moved. Move the movable table 20 with the conveyor 24 mounted thereon. Rotate the servo motor 34 to rotate the ball screw 3
Since it can be moved to a desired position by rotating 1, the tenon 46a of the column member 46 can be freely processed to a desired length.

In the above embodiment, the column member 46 is moved by the belt conveyor 24, and the moving servo motor 34 is further used.
Although the ball screw 31 is driven to move the moving table 20, the pillar member 46 is moved to a predetermined position by the belt conveyor 24 to process the tenon 46a of the pillar member 46, and then the pillar 6 or the head 14. The column member 4 by moving the
The ten ten may be processed.

[0012]

As described above, in the lower mortise processing apparatus of the present invention, a small-diameter machining blade and a large-diameter machining blade are fixed to the head on the same axis, and the column member is moved to a predetermined position. Then, the short tenon is processed, and further, by moving the pillar material or advancing the head or the support to a predetermined position, and continuing to process the short tenon, a tenon having a desired length longer than the short tenon is processed. Since it can be machined, there is no need to replace the machining blade, and workability is greatly improved.

[Brief description of drawings]

FIG. 1 is a front view of a lower tenon processing device according to an embodiment of the present invention.

2 is a left side view of the lower tenon processing device of FIG. 1. FIG.

3 is a plan view of the lower tenon processing device of FIG. 1. FIG.

4 is a partially enlarged view for explaining the operation of the lower tenon processing device in FIG.

FIG. 5 is a partially enlarged view for explaining the operation of the lower tenon processing device of FIG.

[Explanation of symbols]

1 base stand 2 Motor mount 3,8,18 rails 4, 9, 19 bearings 5 stanchions 6 props 7, 12 Servo motor 10 head mount 11 Ball screw shaft 13 nuts 14 heads 15 Small diameter processing blade 16 Large diameter processing blade 17 table 20 mobile platform 21, 22 pulley 23 belt 24 belt conveyor 25 support bearings 26 sprockets 27 belts 28 Moving servo motor 29, 30 Support bearing 31 ball screw 32 pulley 33 nuts 34 Front-rear servo motor 35 belt 36 Guide support member 37 Guide 38 Support member 39 cylinders 40,44 Guide shaft 42 clamp 43 Upper cylinder 45 upper clamp

Claims (3)

[Claims] 1. A mounting base mounted on a base base, a support base mounted with bearings that engage with rails mounted on the mounting base and provided with a support column at the top, and the support base mounted on the mounting base. Connected to a left-right servomotor that moves the table to the left and right, a head mounting table that mounts a bearing that engages with a rail that is mounted on the side of the column, and a ball screw that is mounted on the column and passes through the column. Vertical movement servo motor that moves the head mounting base up and down, and a small-diameter machining blade mounted on the head mounting base and having a large-diameter machining blade on the rotating shaft rotated by the motor A processing head provided with, a mounting table mounted on the base table, a belt conveyor mounted on the mounting table to move a pillar material, and a clamp for pressing the pillar material from left and right and from above to fix the pillar material. Consists of Lower mortise processing equipment characterized by 2. The conveyor is mounted on a moving table having bearings that engage with rails mounted on the mounting table, and a ball screw is supported by a support bearing mounted on the mounting table. A nut fixed to the moving table is engaged with a ball screw, and the ball screw is rotated by the servo motor mounted on the mounting table, thereby moving the nut to move the moving table. The lower tenon processing device according to claim 1. 3. A chamfering blade is provided at a tip of the column member at a connecting portion of the small-diameter machining blade with a large-diameter machining blade, and the tip of the column member is chamfered. Lower mortise processing device.