Metal working – Plural diverse manufacturing apparatus including means for... – Type of machine
Patent
1989-08-15
1991-06-04
Bilinsky, Z. R.
Metal working
Plural diverse manufacturing apparatus including means for...
Type of machine
29 39, 29 27R, 82121, 82120, 409211, 409219, B23B 316
Patent
active
050202014
DESCRIPTION:
BRIEF SUMMARY
BACKGROUND OF THE INVENTION
1. Technical Field
This invention relates to a machine tool which has a table for mounting a workpiece.
2. BAckground Art
Machining operations of a cylindrical workpiece, for example, will be explained hereinafter. In the case of a turning operation of the outer cylindrical surface of a workpiece and a slotting operation of the flat end portion thereof, the workpiece must first be supported between a spindlehead of a lathe and a tailstock of the lathe. After that, the workpiece is removed from the lathe and then mounted on a table of a vertical milling machine. The table is horizontally moved and a slot is produced in the end portion of the workpiece by rotating an endmill.
In practice it is troublesome to remove the workpiece from the lathe to the vertical milling machine for performing the machining operations. In addition, since both the lathe and the vertical milling machine are necessary for the machining operations, considerable floor space is required to accommodate both the lathe and the vertical milling machine.
SUMMARY OF THE INVENTION
In order to solve the aforenoted problems, a main object of this invention is to provide a machine tool which can perform a plurality of operations, such as turning and milling.
According to this invention, provision is made for a machine tool which has a table for mounting a workpiece thereon so as to machine the workpiece, characterized in that the table is provided with a rotary table.
Accordingly, the machine tool of this invention can perform several operations, such as turning and milling. Thus, it is not necessary to reset or remove the workpiece from a machine tool to another machine tool. Furthermore, it is easy to machine the workpiece. In addition, the machine tool according to this invention reduces the number of machines required and as a result the installation floor space need not be as large as with several machines.
BRIEF DESCRIPTION OF DRAWINGS
FIG. 1 schematically shows a machine tool according to this invention.
FIG. 2 is a front view showing, partly in cross-section, of the machine tool.
FIG. 3 is a side elevational view showing, partly in cross-section, of the machine tool.
FIG. 4 is a plan view showing the machine tool.
FIG. 5 is a perspective view showing a table and a rotary table.
FIG. 6 is a side elevational view, with portions broken away, of a spindlehead.
FIG. 7 illustrates a condition in which turning operation of a workpiece is performed.
FIG. 8 illustrates a condition in which slotting operation of the workpiece is performed.
FIG. 9 is a perspective view showing the workpiece having a slot.
FIG. 10 illustrates a condition in which a drilling operation of the workpiece is performed.
FIG. 11 is a perspective view showing the workpiece having a drilled hole.
FIG. 12 is a perspective view showing a workpiece mounted on both the table and the rotary table.
FIG. 13 illustrates a condition in which drilling operation of a workpiece is performed in the end face of the workpiece.
FIG. 14 and 15 are perspective views showing other embodiments of tables and rotary tables of this invention.
FIG. 16 shows a spindlehead equipped with a turret member.
DETAILED DESCRIPTION OF THE INVENTION
FIG. 1 schematically shows this invention. A body 1 of a machine tool is equipped with a table 2. The table 2 is also equipped with at least a rotary table 3.
Referring now to FIG. 2, a base 4 of the body 1 has the table 2, the rotary table 3 and a motor 5. A CNC unit 8 is arranged near the base 4 of the body 1. A pulley 10 is attached to an output shaft 9 of the motor 5 while a pulley 12 is attached to a shaft 11a of a gear box 11. A toothed belt 13 (FIG. 3) is arranged between the pulleys 10 and 12. The shaft 11a can transmit power to a shaft 14 by way of gears (not shown). The rotary table 3 is fixed for rotation on an upper portion of the shaft 14.
An automatic tool changer 7, publically known, is provided with a plurality of tools, such as a tap 15, a drill 16 and an endmill 80.
A spindlehead 20 is provided with the auto
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Bilinsky Z. R.
Kananen Ronald P.
Kitamura Machinery Co. Ltd.
Schultz Robert
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