JPS6231203Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to a tool stand that can be used both in forward and reverse directions.More specifically, the invention relates to a tool stand that can be used both in forward and reverse directions. This relates to a forward/reverse byte stand that can be used as a forward or reverse byte.

A comb-shaped lathe is well known in which a plurality of cutting tools are arranged side by side on tables on the left and right sides of the lathe's main spindle via a cutting tool stand. The shape of the tool stand for the normal cutting tool, which fixes the cutting tool, and the tooling stand for the reverse cutting tool, which fixes the cutting tool on the table on the other side of the main spindle of the lathe, are different in shape. In this case, it was necessary to use two types of tool stands for fixing the forward and reverse tools, which was troublesome.

In addition, for example, to use a cutting tool used as a normal tooling tool as a reverse tooling tool, after removing the tooling tool from the tooling tool base for the normal tooling tool, use a gauge etc. It was necessary to re-fix it while positioning it in a predetermined position, which required a great deal of time and effort.

The present invention is intended to solve the above-mentioned difficulties, and its purpose is to enable one type of tool stand to be used for both forward and reverse operations, and to allow the tool stand with the tool fixed to be used in forward and reverse directions. The tool holder can be used as a normal tool or a reverse tool by simply fixing it on the table. To provide a forward and reverse working tool stand, characterized in that the width in the vertical direction is twice the height difference between the position of the center axis of the main spindle of the lathe and the position of the table surface on which the tool stand is placed and fixed. be.

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

FIGS. 1 and 2 show a cutting tool stand 10 of the present invention.
The tool stand 10 has, for example, a generally rectangular block shape as a whole, and the arm part 14 of the tool tool 12 is loosely inserted and fixed in the middle part of one side wall surface of the tool stand 10 in the lateral direction. Groove portion 16 with a U-shaped cross section
is carved, and a female threaded hole 18 for pressing and fixing the arm part 14 of the cutting tool loosely inserted into the groove 16 in the vertical direction in the cutting tool stand 10 directly above the groove 16 to the lower inner wall of the groove 16 is formed on the cutting tool. For example, three holes are penetrated through the base 10 at predetermined intervals along the longitudinal direction of the base 10, and a hexagonal groove 20 for locking the tip of a hexagonal wrench is carved in each female screw hole 18 at the head thereof. A tightening male screw 22 without a bulge is screwed into the female screw hole 18 with its head recessed.

Furthermore, the cutting tool table 10 is placed at a predetermined interval in the vertical direction within the cutting tool table 10, avoiding the above-mentioned groove 16.
The cutting tool stand 10 is inserted into the lathe table 2 by penetrating the inside.
Fixing tool 2 (described later) of the bite table 10 to be fixed on 4
For example, the three through holes 28 through which the
0 along the longitudinal direction.

The vertical width H of this substantially rectangular block-shaped tool stand 10 is determined by the position of the central axis 32 of the main spindle 30 of the lathe that uses this tool stand 10 and the width H of the tool stand 10.
The height difference from the surface of the table 24 on which the table 24 is placed and fixed is twice the width.

Using the tool stand 10 with the above configuration, for example, place the tool 1 on the table 24 on the right side of the main shaft 30 of the lathe.
2 as a regular tool, loosely insert the arm 14 of the tool into the groove 16 in the middle of the tool holder 10, and extend the cutting edge 34 of the tool a predetermined length to the tool holder 10.
After placing the arm part 14 of the cutting tool on the inner surface of the lower part of the groove part 16 via a flat plate-like auxiliary plate 36 of a predetermined thickness, Turn each male screw 22 screwed into the female screw hole 18 in a predetermined direction to make it protrude downward into the groove 16 inside the female screw hole 18, so that the tip of each male screw 22 is inserted above the arm 14 of the cutting tool. Press the side surface downward to insert the arm part 14 of the tool into the groove 16 of the tool stand 10.
Press and fix it to the inner surface of the lower part. After that, the tool stand 10 is fixed to the table 2 using a fixing tool 26 which will be described later.
4. Fix in place on top.

The fixing tool 26 has a width smaller than the width of the upper surface opening 44 of the T-shaped groove 42 on the table 24 at the lower end of the bar 40 that vertically passes through a predetermined position in the tool table 10. T-shaped groove 42
T having a vertical width larger than the horizontal width of the upper surface opening 44 of
For example, a substantially parallelogram plate-shaped locking bulge 4 as shown in FIG. The middle part of the bar 40 that protrudes above the cutting tool stand 10 is cut into a small diameter, and the small diameter part 5
2, a notch portion of a locking plate, which will be described later, is configured to be lockable. Further, the upper end of the bar 40 has both sides 48a and 48b cut into a substantially rectangular cross section so that the bar 40 can easily rotate. In addition, 50 is the above-mentioned bar material 4
0 is a long locking plate that locks to the small diameter portion 52 at the top of the bar 40 that is provided separately, and one longitudinal side edge of the locking plate 50 has, for example, two locking plates at a predetermined interval. Notches 56a and 56b are cut into which the small diameter portions 52 of each bar 40 are loosely inserted, and a tightening bolt 54 is provided in the center of the locking plate 50 to press the tool stand 10 toward the table. is screwed in.

Further, the normal or reverse tool fixed on the table 14 on one side of the main spindle 30 of the lathe via the tool stand 10 can be used as a reverse tool or normal tool to rotate the main shaft 30 of the lathe using the same tool stand 10. To fix the tool holder 10 in place on the table 24 on the other side, release and remove the tool holder 10 from the fixture 26 that secures the tool holder 10 on the table 24, and then remove the tool holder 12 from the tool holder. Turn the tool stand 10 vertically and reversely while it remains fixed without removing it, place the tool stand 10 in a predetermined position on the table 24 on the opposite side of the main shaft 30 of the lathe, and place each bar 40 inside the tool stand 10. Re-insert it into the through hole and press T.
The locking bulge 46 is locked in the shaped groove 42, and the locking plate 5
The locking plate 50 is stretched so that the small diameter portion 52 of each bar 40 is loosely inserted and locked in the notches 56a and 56b of the side edge of the locking plate 50, and the tightening bolt 54 in the center of the locking plate 50 is is tightened in the direction of the table 24 and lowered so that the bolt 54 and the table 2
The cutting tool stand 10 is pressed and clamped between the top surface of the tool 4 and the upper surface of the cutting tool 4, and the cutting tool stand 10 is fixed on the table 24. Then,
Since the vertical width of the cutting tool stand 10 is twice the height difference between the position of the central axis 32 of the main spindle 30 of the lathe and the top surface of the table 24, the height of the cutting edge portion 34 of the cutting tool can be adjusted as a normal tool or a reverse tool. The auxiliary plate 36 is placed in the groove 16 of the cutting tool table 10 so that the height is slightly higher or lower than the height of the central axis 32 of the main spindle 30 of the lathe, for example.
Table 2 on one side of the lathe spindle 30 through
The tool 12 that was fixed on the tool 4 is now the tool stand 1.
0 is rotated forward and backward in the vertical direction and installed as a reverse tool on the table 24 on the opposite side of the main spindle 30 of the lathe, the height of the cutting edge portion 34 of the tool is higher than the height of the central axis 32 of the main spindle 30 of the lathe. It will be fixed on the table 24 via the tool stand 10 so that it is located slightly lower or higher, and the tool tool 12 can be used as a reverse tool or as it is without adjusting the installation height position within the tool stand 10. Can be used as a positive byte.

In addition, in the above-mentioned embodiment, the arm part 14 of the cutting tool
The cutting tool holder 10 of the present invention may be constructed by providing a hole laterally inside the cutting tool holder 10 into which the arm 14 of the cutting tool is loosely inserted, instead of the groove 16 into which the tool is loosely inserted. If the through hole 28 is formed vertically in the cutting tool table 10 in the shape of a long hole with a notch in the vertical direction, the fixing tool 26 can be inserted into the cutting tool table 10 more easily.

As described above, the bit table of the present invention can be used as a bit table for either forward or reverse bits by rotating the bit table in the appropriate direction. Furthermore, when a bit that has been fixed to the bit table as a forward or reverse bit is to be used as a reverse or forward bit, all that is required is to rotate the bit table forward or backward in the vertical direction while the bit remains fixed to the bit table and fix it on the table. This has the effect of eliminating the need to adjust the mounting height position of the bit in the bit table relative to the position of the lathe spindle, and allows for easy and quick installation and replacement of forward and reverse bits on the table.

Although the present invention has been variously explained above with reference to preferred embodiments, the present invention is not limited to these embodiments, and it goes without saying that many modifications can be made without departing from the spirit of the invention. It is.

[Brief explanation of the drawing]

Figure 1 is a front view of the cutting tool stand fixed on the table using the cutting tool stand of the present invention, Figure 2 is a plan view of Figure 1, and Figure 3 a shows the tool stand fixed on the table as a regular cutting tool. Fig. 3b is a schematic explanatory diagram of the state in which the tool is fixed on the table as a reverse tool using the same tool stand, and Fig. 4 is a schematic illustration of the state in which the bar is fixed in the T-shaped groove. It is an explanatory view showing a stopped state. 10... part-time job, 12... part-time job, 14...
Arm part, 16...Groove part, 18...Female screw hole, 20...
...hexagonal groove, 22...male thread, 24...table,
26...Fixing tool, 28...Through hole, 30...Main shaft,
32...Central axis, 34...Blade tip, 36...Auxiliary plate, 40...Bar material, 42...T-shaped groove, 44...
Top opening, 46...locking bulge, 48a...side, 48b...side, 50...locking plate, 52...
Small diameter portion, 54... Tightening bolt, 56a... Notch, 56b... Notch.

Claims (1)

[Scope of utility model registration request] For the tool stand that fixes the tool tool in a predetermined position on the table of the lathe, the vertical width of the tool tool stand is determined by the difference in height between the center axis of the main spindle of the lathe and the position of the table surface on which the tool tool table is placed and fixed. A tool stand for both forward and reverse use, characterized by its double width.