JP2002273633A - Tool pot - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tool pot capable of reducing the use of thermosetting resin, shortening the molding time, and improving the strength and the service life. SOLUTION: This tool pot comprises two inner and outer layers, i.e., an inner circumferential part 1 and an outer circumferential part 2. A tapered tool insertion hole 3 and a tool holding device 4 are provided on the inner circumferential part 1, and a chain element 5 is embedded in the outer circumferential part 2. The inner circumferential part 1 is molded of the thermosetting resin containing cotton cloth chips. The outer circumferential part 2 is molded of thermoplastic resin containing glass fibers. The inner circumferential part 1 and the outer circumferential part 2 are integrated with each other by an appropriate means such as using adhesive and welding.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tool pot mounted on a tool magazine of a machine tool.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 10, a pot body 51 has a tapered tool insertion hole 52 formed therein.
A tool pot 50 in which a tool holding device 53 and a chain element 54 are embedded is known. The pot body 51 is formed of a thermosetting resin such as a phenol resin mixed with a cotton cloth chip as a reinforcing material so that a shank portion (not shown) of the tool holder is not worn.

[0003]

However, according to the conventional tool pot 50, since the entire pot body 51 is formed of a thermosetting resin, the amount of resin increases, the molding time is lengthened, and the manufacturing cost is increased. However, there was a disadvantage that it was expensive. Further, since the wall thickness of the pot body 51 is increased, there is a problem that molding unevenness is likely to occur, the strength of each part tends to be uneven, and the life is shortened. Further, since the dimensional accuracy of the tool insertion hole 52 is reduced due to the molding unevenness, there is a problem that it is difficult to secure stable quality.

Therefore, an object of the present invention is to reduce the amount of the thermosetting resin used to shorten the molding time,
An object of the present invention is to provide a tool pot capable of suppressing the occurrence of molding unevenness, improving the overall strength and life, and ensuring stable quality.

[0005]

According to a first aspect of the present invention, there is provided a tool pot comprising: an inner peripheral portion having a tool insertion hole; and an outer peripheral portion having a chain element embedded therein. Wherein the inner peripheral portion is molded with a thermosetting resin and the outer peripheral portion is molded with a thermoplastic resin.

According to a second aspect of the present invention, there is provided a tool pot comprising a pot body in which a tool insertion hole is formed, and a tapered collar provided on an opening end side of the tool insertion hole. The pot body is formed of a thermoplastic resin, and the pot body is formed of a thermoplastic resin.

A tool pot according to a third aspect of the present invention is formed by forming the tapered collar portion into a thin wall having a uniform thickness.

[0008]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a first embodiment of a tool pot. This tool pot 10a
Is composed of an inner peripheral portion 1 and an outer peripheral portion 2 in two layers. A tool insertion hole 3 into which a shank portion of a tool holder (not shown) is inserted is formed in the inner peripheral portion 1 in a tapered shape, and a tool holding device 4 for holding a pull stud of the tool holder is embedded. ing. A chain element 5 (chain link) constituting a pot transport chain of the tool magazine is embedded in the outer peripheral portion 2.

The inner peripheral portion 1 is entirely formed of a thermosetting resin such as a phenol resin mixed with a cotton cloth chip as a reinforcing material. The outer peripheral portion 2 is made of A mixed with glass fiber as a reinforcing material so as to improve mechanical strength and rigidity.
Molded with a thermoplastic resin such as a BS resin or a PPE resin. The inner peripheral portion 1 and the outer peripheral portion 2 are integrally connected by an appropriate means such as an adhesive or welding. The illustrated tool holding device 4 includes a steel ball 6, a ball receiving ring 7, a spring 8, and an adjusting screw 9.

Since the tool pot 10a of this embodiment has two inner and outer layers, the amount of the thermosetting resin used in the inner peripheral portion 1 can be reduced, the molding time can be shortened, and the production cost can be reduced. Can be. In addition, since the thickness of the inner peripheral portion 1 is reduced, molding unevenness is less likely to occur, and the strength of each portion can be made uniform and the life can be extended. Further, since the outer peripheral portion 2 is formed of a thermoplastic resin containing glass fiber, the mechanical strength and rigidity of a portion connected to the pot transfer chain can be improved, and the outer peripheral portion 2 can be manufactured at low cost by using an injection molding machine. Is also possible. In addition, since the inner peripheral portion is formed of a thermosetting resin mixed with a cotton cloth chip as a reinforcing material, wear of the shank portion of the replacement tool can be prevented.

FIGS. 3 to 7 show another embodiment of the tool pot of FIG. Tool pot 10b of FIG.
, The inner peripheral portion 1 and the outer peripheral portion 2
Are connected so that they can be decomposed. Tool pot 10 of FIG.
In (c), the inner peripheral portion 1 and the outer peripheral portion 2 are joined by the adhesive 12. In the tool pot 10d of FIG. 5, a small-diameter tool insertion hole 3 is formed in the inner peripheral portion 1 so as to correspond to a thin shank portion.

In the tool pot 10e shown in FIG. 6, the tool holding device 4 has a steel ball 13, a ball receiving sleeve 14, a ball push pin 15 and a spring on the axis of the inner peripheral portion 1 so as to correspond to the cylindrical shank. 16 are arranged. In the tool pot 10f of FIG. 7, the chain element 1 is set so that the pot axis is parallel to the axis of the chain roller 17.
8 is embedded in the outer peripheral portion 2.

FIGS. 8 and 9 show a second embodiment of the tool pot. The tool pot 10g includes a pot body 21 and a tapered collar portion 22. In the pot body 21, a tool insertion hole 23 for mounting a shank portion of a tool holder (not shown) is formed in a tapered shape, and a tool holding device 4 for holding a pull stud of the tool holder is embedded. . Taper collar section 22
Is formed in a thin-walled tapered cylindrical shape having a uniform thickness according to the hole shape of the tool insertion hole 23, and is provided at the opening end side in the tool insertion hole 23.

The tapered collar portion 22 is formed of a thermosetting resin such as a phenol resin mixed with a cotton cloth chip as a reinforcing material. The pot body 21 is formed of a thermoplastic resin such as an ABS resin or a PPE resin mixed with glass fiber as a reinforcing material so as to improve mechanical strength and rigidity. Then, the tapered collar portion 22 and the pot body 2
Numeral 1 is integrally connected by an appropriate means such as an adhesive or welding. The other components are the same as those of the tool pot 10a of the first embodiment.

According to the tool pot 10g, since the tapered collar portion 22 made of a thermosetting resin is provided on the opening end side of the tool insertion hole 23, the thermosetting resin can be used only for the tapered collar portion 22. For example, it is possible to reduce the amount of the thermosetting resin that requires molding time. Therefore, the molding time can be shortened and the manufacturing cost can be reduced. In addition, since the tapered collar portion 22 is provided on the opening end side of the tool insertion hole 23, the tapered collar portion 22 can be commonly used for other tool pots having different shapes other than the tool insertion hole 23, and the taper can be used. If the collar part 22 is formed as a common part, it is possible to reduce the manufacturing cost.

Furthermore, since the tapered collar portion 22 is formed in a thin-walled tapered cylindrical shape having a uniform thickness, it is possible to suppress the occurrence of molding unevenness, to improve the dimensional accuracy of the tool insertion hole 23, and to achieve a stable operation. Quality can be ensured. In addition, since the tapered collar portion 22 is formed of a thermosetting resin mixed with a cotton cloth chip as a reinforcing material, wear of the shank portion of the replacement tool can be prevented. In addition, the shape and configuration of each part can be appropriately changed without departing from the spirit of the present invention.

[0017]

As described above in detail, according to the first aspect of the present invention, the inner peripheral portion where the tool insertion hole is formed is formed of thermosetting resin, and the outer peripheral portion where the chain element is embedded is formed. Molded with thermoplastic resin, the amount of resin in the inner periphery can be reduced, shortening the molding time and reducing manufacturing costs.
An excellent effect of improving the overall strength and life can be obtained.

According to the second aspect of the present invention, the collar portion made of the thermosetting resin is provided at the opening end of the inner peripheral portion. The amount of resin used can be reduced, the molding time can be shortened, and the manufacturing cost can be reduced.

According to the third aspect of the present invention, since the tapered collar portion is formed in a thin-walled shape having a uniform thickness, it is possible to suppress the occurrence of molding unevenness and improve the dimensional accuracy of the tool insertion hole. Stable quality can be secured.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a first embodiment of a tool pot according to the present invention.

FIG. 2 is a left side view of the tool pot of FIG.

FIG. 3 is a sectional view showing a modification of the first embodiment.

FIG. 4 is a sectional view showing a modification of the first embodiment.

FIG. 5 is a sectional view showing a modification of the first embodiment.

FIG. 6 is a sectional view showing a modification of the first embodiment.

FIG. 7 is a sectional view showing a modification of the first embodiment.

FIG. 8 is a sectional view showing a second embodiment of the tool pot according to the present invention.

FIG. 9 is a left side view of the tool pot of FIG. 8;

FIG. 10 is a sectional view showing a conventional tool pot.

[Explanation of symbols]

1 ・ ・ Inner circumference, 2 ・ ・ Outer circumference, 3 ・ ・ Tool insertion hole, 4 ・
.Tool holding devices, 5,18..chain elements, 10a,
10b, 10c, 10d, 10e, 10f, 10g ...
Tool pot, 21. Pot body, 23. Tapered collar.

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Tsune Segawa 5-25-25 Shimokoguchi, Oguchi-machi, Niwa-gun, Aichi F-term in Okuma Corporation (reference) 3C002 AA06

Claims (3)

[Claims] 1. An inner peripheral part in which a tool insertion hole is formed, and an outer peripheral part in which a chain element is embedded. The inner peripheral part is molded with a thermosetting resin, and the outer peripheral part is molded with a thermoplastic resin. Tool pot characterized by doing. 2. A pot body having a tool insertion hole formed therein,
A tool pot comprising: a tapered collar portion provided on an opening end side of a tool insertion hole; a tapered collar portion formed of a thermosetting resin; and a pot body formed of a thermoplastic resin. 3. The tool pot according to claim 2, wherein the tapered collar portion is formed in a thin shape having a uniform thickness.