RU98350U1 - MULTI-PURPOSE MACHINE WITH NUMERIC SOFTWARE CONTROL AND AUTOMATIC TOOL CHANGE - Google Patents

Abstract

 1. A multi-purpose machine with numerical program control and automatic tool change, comprising a fixed bed, an O-shaped column moving longitudinally along the bed guides, a headstock with a rotating spindle moving longitudinally and vertically, a tool magazine, a workpiece changer, a cutting area fence cabinet type ", characterized in that it includes a rotating table, moving in the transverse direction with the possibility of positioning in any angular position or in rotation Ia to perform turning, drilling, milling, boring operations and performing hobbing grinding parts of complex shape without reinstallation. ! 2. The machine according to claim 1, characterized in that chipboard augers are built into the fixed bed, eliminating the possibility of processing products getting onto the machine's actuating units, determining its accuracy and performance.

Description

The utility model relates to mechanical engineering and can be used to process parts of complex shape without reinstallation with a maximum concentration of operations for turning, drilling, milling, boring, gear hobbing and grinding operations, requiring tool movement simultaneously in 3-5 coordinates.

Previously known multi-purpose machines made it possible to perform drilling, milling, boring, threading, machining of complex parts in three, four and five coordinates [1], [2].

The purpose of creating a machine is to expand technological capabilities by increasing the number of operations, namely, the machine can, in addition to the above operations, perform turning and hobbing operations from one installation and solve problems associated with automatic chip removal and removal of cutting fluid from the processing zone , eliminating the possibility of ingress of processing products on the executive nodes of the machine, determining its accuracy and performance.

The rigidity of the carrier system allows for high precision machining. The machine is made on linear rolling guides, providing high accuracy of movements and having a low coefficient of friction. Drive electric motors provide stepless feed control in all coordinates. The drive of the built-in rotary table is a torkmotor, which allows you to rotate the faceplate with the necessary speed and torque, as well as position it in any angular position with the necessary accuracy. The spindle is a spindle motor with a built-in clamping mechanism for pressing the tool, cooling the stator winding, a device for supplying cutting fluid through the tool, and also a device for fixing the angular position of the tool, which is necessary for turning types of processing. The maximum spindle speed is 12,000 rpm, which allows, together with the rotation of the table, to carry out grinding types of work.

The machine uses centralized impulse lubrication of the guides, controlled from the machine's numerical program control system.

The figure 1 presents a General view of the machine.

The design of the multi-purpose machine includes:

- motionless bed pos. 1,

- built-in fixed bed 1 on both sides and transversely mounted chip augers pos.2,

- built-in rotary table pos.3 (axis C), moving in the transverse direction (axis Y) and allowing to perform turning types of work, as well as position in any angular position for drilling, milling and boring types of work,

- O-shaped column pos.4, moving longitudinally (X axis) along the guides of the frame,

- headstock pos. 5, moving vertically (Z axis),

- rotary spindle pos.6 (axis A or B), which allows for horizontal, vertical and angular types of processing,

- tool store pos. 7 for 24, 40 or more tools,

- fencing of the cutting zone "cabinet type" pos.8,

- a device for changing workpieces pos. 9 (installed optionally).

The machine works as follows:

the workpiece to be installed on the table pos.3, (also possible to install in the device) and clamped with tacks. The operator turns on the CNC system and the cycle begins. The tool is installed in the spindle cone from the tool magazine automatically. The tool spindle rotates at a given speed and performs drilling, milling, boring, gear milling or grinding operations, depending on the required part machining. The movement of the tool feeds relative to the part along the coordinates X, Y, Z is carried out by moving the corresponding machine nodes with their drive mechanisms. The table drive (axis C) and the spindle rotation drive (axis A or B) operate either in a follow-up mode, if an additional number (four or five) of controlled coordinates is required, or are fixed by brake devices in the position necessary for this processing.

When carrying out turning types of work, a non-rotating tool (cutter) is installed in the spindle, the spindle is fixed from rotation, while the table drive (axis C) operates in a turning mode, i.e. with a higher speed.

Coordinate drives are independently controlled by the CNC system. After executing the specified program, the tool is retracted from the part, and the part processing cycle is completed.

Used Books:

1. Certificate No. 10361 for utility model "Vertical multi-purpose drilling, milling and boring machine with a cross table, CNC and ASI".

2. Patent No. 72892 for a utility model, "Vertical multi-purpose drilling, milling and boring machine with the possibility of grinding work, with numerical control and automatic tool change."

Claims (2)

1. A multi-purpose machine with numerical program control and automatic tool change, comprising a fixed bed, an O-shaped column moving longitudinally along the bed guides, a headstock with a rotating spindle moving longitudinally and vertically, a tool magazine, a workpiece changer, a cutting area fence cabinet type ", characterized in that it includes a rotating table, moving in the transverse direction with the possibility of positioning in any angular position or in rotation Ia to perform turning, drilling, milling, boring operations and performing hobbing grinding parts of complex shape without reinstallation. 2. The machine according to claim 1, characterized in that chipboard augers are built into the fixed bed, eliminating the possibility of processing products getting onto the machine's actuating units, determining its accuracy and performance.