JPS6124123B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a support for a material supply device used in a machine tool that supplies material to a machining area every cycle for machining. The present invention particularly relates to a support that supports a bar according to the material diameter. Conventionally, vibrations during rotation of the material are related to the material diameter, so when the material diameters differ, a support that supports the material diameter There are some types in which the holder is replaced each time or a temporary one, and there are types in which several types of supports with different diameters corresponding to the material diameters are set in advance on the same device. The present invention belongs to the latter category, and as a device of this kind, several kinds of supports with different diameters are arranged at equal intervals on the same circumference with a rotation axis parallel to the material feed trajectory, and the material loading setup work is carried out. It is well known to select a support corresponding to the diameter of the material and set it on the material feeding track. In this type, the support may be tubular or disk-shaped, but in the former case, several types of individual supports are available, and they are not interchangeable as single units, resulting in high cost and poor structure. It becomes large. In the latter case, the material is exposed to the outside except for the support part that supports the material, so the effect of preventing noise caused by vibration of the material is less than that of the former case. The present invention provides a bar support that solves the former and latter problems.

Hereinafter, the present invention will be explained based on practical drawings.

1 is a support disposed on the material feed trajectory and supports the material; 2 is a support having a rotation axis perpendicular to the material feed trajectory; and the radius of the rotation axis of the support 2 corresponds to the diameter of the material. Through-holes 2a having different diameters capable of supporting materials are provided on the material feeding track. Reference numeral 3 denotes a holder that supports the support 2 in a manner that allows indexing and positioning of the support 2 with respect to the rotation axis of the support 2 so that a through hole 2a corresponding to the diameter of the material can be selected on the feed trajectory of the material. They are spaced at equal intervals in the direction. As for positioning means for the supports 2, engaging members 4 which can be engaged and detached are mounted on the holder 3 or the support 1 in correspondence with the through holes 2a on each support 2. Therefore, it is necessary to prepare an engaging member 4 corresponding to the through hole 2a that corresponds to the positioning position for each different material diameter, or to engage an engaging member 4 provided at one location on the circumference of the rotating shaft. An embodiment is also conceivable in which an engaging member that can be attached and detached is provided on the support or the holding body. 5 is a spacer interposed between the holders 3 located in the longitudinal direction of the support 1;

From the above, in order to support materials having different material diameters on the support body 2, a through hole 2a that is somewhat larger than the diameter corresponding to the material diameter is selected from among the through holes 2a of the support body 2. , and then determine the index position of the corresponding through hole 2a on the material feeding track. Therefore, if the material diameter is large, select a through hole 2a with a slightly larger diameter, and conversely, if the material diameter is small, select a small through hole 2a and bring it onto the material feeding track. good. Reference numeral 6 denotes a material supported on the through hole 2a of the support body 2.

As described above, in the present invention, even if the materials have different diameters, they are supported on compatible supports, and the structure is simple, so it is easy to replace the support when it is damaged.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional view of an embodiment of the present invention, Fig. 2 is a sectional view of an embodiment in which a material with a smaller diameter than the embodiment shown in Fig. 1 is supported, and Fig. 3 shows the relationship between the support and the holder. 4A and 4B are cross-sectional views showing an embodiment of an engaging member that engages with a through hole of a support to position the support, and FIG. 5 is taken along the arrow line A-A in FIG. Cross-sectional view, FIG. 6 is a cross-sectional view of a support in which through-holes having various diameters are provided in the support.

Claims (1)

[Claims] 1: a support 1 that supports a material placed on a material feed trajectory; a holder 3 that opens in the material feed trajectory direction and is disposed at regular intervals in the longitudinal direction within the support 1; A support body having a rotation axis perpendicular to the feed trajectory direction of the material, supported by a holder 3, and having a plurality of through holes 2a with different diameters on the radius of the rotation axis so as to communicate with each other in the material feed trajectory direction. A material support for a material feeding device in a machine tool, comprising: 2, and a positioning means that can be engaged with and detached from a through hole 2a of the support body 2 and that positions one of the through holes 2a on a material feeding trajectory.