JPH0424190B2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a multi-axis rotary tool.

[Conventional technology]

For example, the cutting process for press molds has traditionally been performed manually using a sander, a grinder, a file, a whetstone, and paper finishing.

However, such manual work requires skill and effort, so
It is hard work, the work environment is poor due to the dust generated, and the work hours are long.

Therefore, in order to save labor, a grinding machine in which the grinding wheel is rotated and revolved by a motor has been proposed, but in conventional grinding machines of this kind, the rotation and revolution are controlled by the same motor. It is difficult to set the optimal conditions for the application.

[Problem that the invention seeks to solve]

The present invention was proposed in view of the above circumstances, and its purpose is to provide an economical multi-axis rotary tool that does not require skill, does not worsen the working environment, and saves labor and time. do.

[Means for solving problems]

To this end, the present invention includes a rotation motor coaxially protruding from an end plate of a short cylindrical housing, and a hollow revolution member coaxially and rotatably supported within an opening at the other end of the housing. a rotating shaft coaxially supported within the housing, one end of which is fitted onto the rotating shaft of the rotating motor, and the other end of which is pivotally supported in the center hole of the hollow revolving member; and the housing. a revolution motor protruding parallel to the rotation motor on the end plate of the revolution motor; a revolving shaft in which a gear protruding from the other end meshes with a gear protruding from the inner end of the hollow revolving member;
Three or more shafts, each of which is pivoted around the center at equal radial intervals on the outer end of the hollow revolving member, and which protrudes from the inner end and meshes with a gear protruding from the outer end of the rotating shaft. It is characterized by having an output shaft.

[Effect]

With such a configuration, it is possible to obtain an economical multi-axis rotary tool that does not require skill, does not deteriorate the working environment, and saves labor and time.

〔Example〕

An embodiment in which the present invention is applied to a three-head polishing machine will be described with reference to the drawings. FIG. 1 is a longitudinal sectional view thereof, FIG. 2 is a bottom view of FIG. 1, FIG. 3 is a front view of FIG. 1, 4 is a partial longitudinal sectional perspective view of the grindstone shown in FIG. 1, and FIG. 5 is an explanatory diagram showing the revolution movement system and the rotation movement system of FIG. 1.

In the above figure, reference numeral 1 denotes a short cylindrical housing with a mounting flange member 2 protruding from the lower left end. The right side is a blank space.

Reference numerals 5 and 6 denote a revolution motor and an autorotation motor, respectively, which are arranged in parallel in the axial direction at the upper end and center of the end plate 3, and 7 is coaxially supported via a bearing in the space at the right end of the housing 1. A hollow revolution member 8 is a rotation shaft pivotally supported on the center line of the housing 1, and its left end is pivotally supported on the end plate 3 of the housing 1, and is also fitted onto the rotation shaft of the rotation motor 6. The middle part is pivotally supported by the partition wall 4, and the right end part is pivotally supported by the right end plate 9 of the revolving member 7.

10 is a gear fitted near the right end of the rotation shaft 8;
Reference numeral 11 denotes three output shafts of equal length that are pivoted in the axial direction at equal radial intervals around the center line of the hollow revolving member 7, and a gear 12 fitted on the left end of the output shaft 11 is connected to the rotation shaft 8. It meshes with the gear 10 on the right end.

13 is the end plate 3 of the housing 1 on the left end
The revolution shaft 13 is fitted on the rotating shaft of the revolution motor 5, and the right end of the revolution shaft 13 is pivotally supported on the partition wall 4. A gear 14 is fitted on the right end of the revolution shaft 13.

A gear 15 is fitted to the left end of the hollow revolution member 7, and the gear 15 meshes with the gear 14 of the revolution shaft 13.

Reference numeral 16 denotes a grindstone connected to each of the tips of the three output shafts 11 via a universal joint 17, and the grindstone 16 is screwed to the universal joint 17 of the output shaft 11 via a magnet 18.

In such a structure, as shown in FIG. 5, the rotation of the revolution motor 5 moves the hollow revolution member 7 toward the center line via the revolution shaft 13, gear 14, and gear 15, as shown by hatching in the same direction. , so that each grindstone 16 revolves around the housing center line along a circle of radius R.

Further, since the rotation of the rotation motor 6 rotates the output shaft 11 via the rotation shaft 8, gear 10, and gear 12, the grindstone 16 can rotate.

Here, since the revolution movement system and the rotation movement system are independently driven by the revolution motor 5 and the rotation motor 6, it is also possible to drive both movement systems independently.

During grinding, the grindstone 16 is attracted to the grinding surface by the action of the magnet 18 so that the center line of the grindstone is perpendicular to the grinding surface, and grease is sealed in the housing.
During processing, it is cooled by fins protruding from the outer periphery.

According to this structure, the revolution speed of the grindstone is 0 to 700 rpm, and the rotation speed is 0 to 14000 rpm.
The total weight of the device can be about 13Kg and the total length can be about 400mm, so a small, lightweight and economical three-head polishing machine can be obtained.

〔Effect of the invention〕

In short, according to the present invention, an autorotation motor coaxially protrudes from an end plate of a short cylindrical housing, and a hollow revolution member coaxially and rotatably supported within an opening at the other end of the housing. a rotating shaft coaxially supported within the housing, one end of which is fitted onto the rotating shaft of the rotating motor, and the other end of which is pivotally supported in the center hole of the hollow revolving member; and the housing. a revolution motor protruding parallel to the rotation motor on the end plate of the revolution motor; A revolving shaft in which a gear protruding from the other end meshes with a gear protruding from the inner end of the hollow revolving member, and a revolving shaft at equal radius and equal intervals at the outer end of the hollow revolving member, respectively. The gears that are pivotally supported and protrude from the inner end are each equipped with three or more output shafts that mesh with the gears that are protruded from the outer end of the rotating shaft, so no skill is required and the work environment is easy. The present invention is extremely useful industrially because it provides an economical multi-axis rotary tool that saves labor and time without deteriorating the performance.

[Brief explanation of drawings]

Fig. 1 is a bottom view showing an embodiment in which the present invention is applied to a three-head polisher; Fig. 2 is a bottom view of Fig. 1;
The figure is a front view of FIG. 1, FIG. 4 is a partial longitudinal sectional perspective view of the grindstone shown in FIG. 1, and FIG. 5 is an explanatory diagram showing the revolution movement system and rotation movement system of FIG. 1. 1...Housing, 2...Flange member, 3...
... End plate, 4 ... Partition wall, 5 ... Revolution motor, 6 ... Autorotation motor, 7 ... Hollow revolution member, 8 ... Rotation axis, 9 ... End plate, 1
0...Gear, 11...Output shaft, 12...Gear, 1
3...Revolution axis, 14...Gear, 15...Gear, 1
6...Whetstone, 17...Universal joint,
18...Magnet.

Claims (1)

[Claims] 1. An autorotation motor coaxially protruding on the end plate of the short cylindrical housing, a hollow revolution member coaxially rotatably supported within the other end opening of the housing, and It is coaxially supported, and one end is fitted onto the rotation shaft of the rotation motor, and the other end is connected to the rotation shaft that is pivotally supported in the center hole of the hollow revolution member, and on the end plate of the housing. A revolution motor protrudes parallel to the revolution motor, and a revolution motor is pivotally supported in the housing parallel to the revolution shaft, one end of which is fitted onto the rotation shaft of the revolution motor, and the other end of which is fitted onto the revolution shaft of the revolution motor. A revolving shaft in which a protruding gear meshes with a gear protruding from the inner end of the hollow revolving member, and an inner end pivoted around the center at equal radial intervals on the outer end of the hollow revolving member. A multi-axis rotary tool, characterized in that the gears protruding from the rotary shaft each have three or more output shafts meshing with the gears protruding from the outer end of the rotating shaft.