JP2000238005A - Lathe for wood working - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve wood working property and working quality and to relax necessary skill and technique in a lathe for wood working wherein a fitting part for a log is provided on the end part of an operating shaft of a transversely placed rotating shaft, and revolving cutting is performed by bringing the edge of a working tool held by hands into contact with the log fitted on the fitting part for the log. SOLUTION: A lathe 1 for wood working has a structure with both heads wherein one end of a common operating shaft 4 is an inserting nail type fitting part 3B for a log and another end is a chuck nail type fitting part 3A for the log and an operating part 2 transversely supporting an operating shaft 4 is made to be rotatably set to a cylindrical leg frame 8 and a working table 9 made of a steel sheet is provided below the fitting parts 3A and 3B for the log and in addition, a tool holding tool 11 for a working tool having a base part 15 with a magnet body 16 fixed by magnetic attraction and whose attraction is freely released by releasing of magnetism on the top face of the working table 9, is provided.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a woodworking wheel machine used for processing woodwork such as trays, confectionery containers, vase bottles, and teakets from raw wood.

[0002]

2. Description of the Related Art There are various types of woodworking lathes for turning woodwork.
As a versatile and simple structure capable of processing woodwork in various shapes, a simple woodworking lathe 30 shown in FIG.
Are widely spread.

[0003] That is, this simple woodworking wheeling machine 30 has an operation panel having an insertion locking claw 7 or a chuck claw (not shown) at the end of an operation shaft 32 of a horizontal rotating shaft provided on an upper portion of a frame 31. 5 and a work table 33 of a wooden board having a flat upper surface is provided below the raw wood mounting part 3. A separate wooden tool holder 34 provided with a tool holding bar 36 having an inclined posture at the upper end is placed and set, and the distal end portion of the processing tool 20 in the form of an elongated bar that is manually held by the processing operator 22 is tool holding bar. 3
The raw wood 10 that is rotated is turned into a predetermined shape by holding the raw wood 10 attached to the raw wood mounting portion 3 with the cutting edge 21 of the processing tool 20 by contacting with the raw wood 10 attached to the raw wood mounting part 3. It has become.

[0004]

The above-mentioned conventional general-purpose simple type woodworking lathe 30 has a simple structure and is inexpensive.
In addition, although it has versatility to perform various processing, it has the following disadvantages. That is, it is necessary to change the relative posture between the processing tool 20 and the raw wood 10 according to the processing contents such as the outer shape processing, the boring turning, and the processing of the inner face of the raw wood 10. However, since the raw wood mounting portion 3 has a fixed position fixed structure, the worker 22 has to change his or her own attitude with respect to the raw wood 10 "one by one" according to the processing content, so that it is difficult to perform the work, and it is impossible. There is a case where a defective product is generated by processing in the posture.

While the blade 21 of the processing tool 20 is finely adjusted with respect to the raw wood 10 and processed into a beautiful required shape, a tool holder 34 for holding the blade 21 with a fingertip is provided on a work table. Since it does not have a fixing force to the blade 33, it is easy to slide and move, and a defective product may be generated due to misalignment of the cutting edge 21. To prevent this problem, special attention and special skills and skill are required. .

Further, the conventional simple woodworking wheeling machine 30 has two separate machines, one having the "raw lumber mounting portion 3 for the insertion locking claw 7" and the other having the "raw lumber mounting portion 3 for the chuck claws". So, for example, it is necessary to use the "chuck claw structure" for large-diameter, round raw wood, and the "insertion claw structure" for plate, non-round, small-diameter raw wood. There is. Therefore, there is a troublesome work of changing places depending on the work contents, and in addition, it is inevitable to install a plurality of the above-described two-structured raw wood mounting portions 3 in a plurality of units, so that cost and work space are reduced. Waste. SUMMARY OF THE INVENTION The present invention provides a woodworking lathe that solves the above-mentioned disadvantages of the prior art.

[0007]

The woodworking lathe according to the present invention for solving the above technical problem is provided with an operating portion having an operating shaft of a horizontal rotating shaft on an upper portion of a leg frame, and an end portion of the operating shaft. In a woodworking wheel lathe provided with a raw wood mounting portion, one end of the common operating shaft is a double-headed structure of an insertion locking claw type raw wood mounting portion and the other end is a chuck claw type raw wood mounting portion. The work table is made rotatable with respect to the leg frame, and a work table made of an iron plate is provided below the raw wood mounting portion. And a tool holder for holding the tip of a processing tool held by hand with a fingertip.

In other words, the woodworking lathe according to the present invention basically has a fixed position for a processing operator who operates a long bar-shaped processing tool by hand and attaches raw wood to be processed. The relative posture and relative position of the raw wood mounting part with respect to the worker can be adjusted and set to a state suitable for processing, and the raw wood mounting part has a double-headed structure of "insertion locking claw structure" and "chuck claw structure" In addition, a feature is that the raw wood mounting portion suitable for processing can be selectively used without the worker moving. As an aspect of the configuration, the height of the operating section from the floor surface can be freely adjusted, and when processing long raw wood, the swing of the processed wood is prevented. May be provided with a center holder with a magnet body.

[0009]

In the woodworking lathe according to the present invention having the above-mentioned structure, the position and posture of the raw wood with respect to the worker can be adjusted to the state most suitable for processing by turning and moving the above-mentioned operating portion with respect to the leg frame. Can be changed at any time. Therefore,
There is no need for the operator to move or change the posture greatly depending on the processing content, and in addition, the two types of raw wood mounting parts can be used selectively without the worker moving, so that the conventional structure can be used. Processing of woodwork is particularly easy.
The tool holder that holds the tip of the processing tool, which pays the most attention to the processing, can be fixedly set at any position on the work table and there is no danger of sliding movement during processing, so the long tool is held by hand Woodworking performed by operation is extremely easy, and processing operability is improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, a woodworking lathe 1 according to a first embodiment of the present invention will be described with reference to FIGS. That is, the woodworking lathe 1 of this embodiment has the operating portion 2 in which the operating shaft 4 of the horizontal rotating shaft is horizontally supported in the box above the leg frame 8 in the form of a columnar box fixed on the floor. At both ends of the operating shaft 4 of the operating portion 2, one side "raw wood mounting portion 3A having a chuck claw structure (hereinafter simply referred to as a mounting portion 3A)" and the other side "raw wood mounting portion having an insertion claw structure". Part 3B
(Hereinafter, simply referred to as the mounting portion 3B) ", and the mounting portions 3A and 3B can rotate in conjunction with the common operating shaft 4.

More specifically, the mounting portion 3A picks and chucks the outer periphery of the raw wood 10 such as the outer diameter of the circular wood to be machined by the chuck pawls 6 arranged on the end face of the circular mounting board 5 concentric with the operating shaft 4. In the structure, the other mounting portion 3B has plate-like and non-round shapes on the locking claws 7 of several "insertion blades" protruding from the end surface of a circular mounting plate 5 which is also concentric with the operating shaft 4. The mounting portions 3A and 3B have the same structure as that of the above-described conventional structure and are provided as a pair at the left and right ends of the common operating shaft 4.

Below the mounting portions 3A and 3B, there is provided a work table 9 made of an iron plate extending in the left-right direction from the lower ends of the left and right ends of the drive unit 2. The holder 11 is placed and set. The operating part 2, which is a main part of the woodworking lathe 1, is supported by a support shaft 13 projecting from the upper end of the leg frame 8, and is configured to be rotatable about the longitudinal center 12 of the leg frame 8. By loosening or tightening the lock handle 14, the operating portion 2 can be turned with respect to the leg frame 8 to set and lock the leg frame 8 at an arbitrary position.

Then, the tool holding tool 11 (FIG. 1B)
・ Refer to FIG. 2), “A magnet body 16 having a magnet handle 17 and capable of freely magnetizing and demagnetizing” is provided in the hollow portion of the base 15 of the thin rectangular tube.
And a tool holding bar 19 is provided laterally above a support bar 18 that extends upward from the base 15 and can be set at an arbitrary height H. The base 15 is attached to the work table 9. And the height and direction of the tool holding bar 19 are adjusted so as to be easy to use, and then the magnet handle 17 is operated to operate the magnet body 16 of the base 15.
Is set in a magnetized state, and set lock on the work table 9 is performed. Then, the distal end portion of the processing tool 20 is placed on the tool holding bar 19, and is pressed and set with a fingertip for use. Although not shown, the mounting portions 3A and 3B are connected to the operating shaft 4 via a clutch, and the mounting portions 3 to be machined and operated.
A and 3B are operated individually. Reference numeral 23 in the drawing denotes an operation motor of the operation shaft 4, and a hydraulic pedal type height adjustment mechanism for adjusting and setting the height L of the work table 9 is provided inside the leg frame 8.

In the above-mentioned woodworking lathe 1, a worker 22 sitting at a fixed position turns the operating part 2 with respect to the leg frame 8 to set the relative posture with respect to the work content as needed. Processing work. Therefore, unlike the above-described conventional woodworking lathe machine 30, it is not necessary to change its own position depending on the processing content, and the processing of the raw wood 10 by the processing tool 20 becomes extremely easy.

Since the tool holder 11 can be fixedly set at an arbitrary position on the work table 9 at any time, the work table 9 can be fixed by vibrations during the working operation.
Since there is no risk of sliding on the top and the posture of the cutting edge 21 of the processing tool 20 is stabilized, there is no need for special attention and skill and skill for preventing collapse of the holding posture of the processing tool 20 and processing of the raw wood 10. The work becomes easier and the cutting edge 21
The occurrence of defective processed products due to the disorder of the holding of the workpiece can be prevented. Since the mounting portions 3A and 3B have a double-headed structure of the "insertion and locking claw 7" or the "chuck claw 6," the operating portion 2 has a 180
The rotation setting allows the operator to freely select and use any of the mounting portions 3A and 3B suitable for the raw wood 10 to be processed without the need for the operator to move while sitting at a fixed position.

Next, a woodworking wheel 1 according to another embodiment of the present invention will be described with reference to FIG. That is, the woodworking lathe 1 of FIG. 3 has the same mounting portions 3A and 3B as those of FIG.
The work table 9 and the tool holder 11 are provided with a separate center holder 25 which is placed on the upper surface of the work table 9 and fixed when necessary.

More specifically, the center holder 25 is attached to the mounting portion 3.
The rear end of the long raw wood 10A attached to A.3B is rotatably supported and held by a center pin 26, and is used as an accessory to prevent run-out during processing of the long raw wood 10A. A center pin 26 is provided at the upper end of the support leg 27 for rotatably supporting the raw wood 10A by fitting a pin tip into a center hole 27 formed at the rear end, and further, the base 15 of the support leg 27 has As in the case of the tool holder 11, a magnet body 16 that "can be freely attracted and fixed by magnetic attraction with magnet handle 17 and released by demagnetization" is provided therein.

When necessary, the base 15 is placed on the work table 9, and the lower guide protrusion 28 of the base 15 is fitted into the guide recess 29 of the work table 9, centered, and suction-fixed to the work table 9. In addition to being used for the above-mentioned center support, when it is unnecessary, it can be released from the work table 9 by one-touch demagnetization release. The woodworking lathe 1 provided with the center holder 25 can process long raw wood, and the versatility is further improved.
Incidentally, reference numeral 40 in the drawing denotes an advance / retreat handle of the center pin 26.

The woodworking lathe according to the present invention is not limited to the above embodiment, but may be provided with a turning scatter prevention cover for covering the upper portions of the mounting portions 3A and 3B, or removing one of the mounting portions 3A and 3B. Attach a circular saw plate to the operating shaft 4
0 may be used for cutting.

[0020]

As described above, the woodworking lathe according to the present invention has a simple structure and is versatile, and it is extremely easy to carry out woodworking of various shapes of raw wood, and there is a possibility that defective products are generated. Extremely few, processing productivity and processing quality are improved, and skills and skills required for processing can be relaxed. And the processing function as a single woodworking lathe is improved by the structure of both ends of the raw wood mounting part, the required number of woodworking lathes for the same processing content is reduced by half, and waste of factory space and cost reduction can be promoted. There are various practical effects described above.

[Brief description of the drawings]

FIG. 1 shows a woodworking lathe according to a first embodiment of the present invention;
(A) is the front view, (B) is the perspective view of the tool holder.

FIG. 2 is a plan view of the woodworking lathe shown in FIG. 1 in use;

FIG. 3 shows a woodworking lathe according to another embodiment of the present invention;
(A) is a front view, (B) is a perspective view of the center holder.

FIG. 4 is an explanatory view of a conventional woodworking wheeling machine.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Woodworking wheeling machine 2 Working part 3A, 3B Raw wood mounting part 4 Working shaft 5 Working board 6 Chuck claw 7 Insertion locking claw 8 Leg frame 9 Work table 10 Raw wood 11 Tool holder 13 Support shaft 15 Base 16 Magnet 17 Magnet handle 19 Tool holding bar 20 Processing tool 21 Cutting edge 22 Worker 25 Center holder 26 Center pin 27 Center hole 30 Conventional woodworking wheel

Claims (2)

[Claims] 1. A woodworking lathe having an operating portion having an operating shaft of a horizontal rotating shaft provided on an upper portion of a leg frame, and an end of the operating shaft provided with a raw wood mounting portion. Is a plug-and-lock claw-type raw wood mounting portion, and the other end is a double-headed structure of a chuck claw-type raw wood mounting portion. The operating portion is rotatable with respect to the leg frame, and the raw wood mounting portion is A work table made of iron plate below
Further, on the upper surface of the work table, there is provided a structure having a tool holder which is formed of a base with a magnet body capable of attracting and releasing by magnetic attraction and demagnetization, and holding the tip of the processing tool held by hand with a fingertip. Characteristic woodworking lathe. 2. A work table having a center pin which is fitted into a center hole at a tip end of a raw wood attached to a raw wood mounting portion and supports the raw wood, and which is attached to an upper surface of a work table by magnetic attraction and demagnetization. 2. The woodworking lathe according to claim 1, further comprising a center holder having a base having a releasable magnet body.