JPH0318117Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial application field] This invention is a remotely controllable coolant used when machining a workpiece by attaching a tool to a spindle rotatably supported in the spindle head of a machine tool. Regarding nozzles.

[Conventional technology]

When machining a workpiece by attaching various tools to a spindle rotatably supported within the spindle head of a machine tool, a coolant nozzle is attached to the side end of the spindle head.

A coolant is injected from the coolant nozzle to the position where the workpiece is machined by the tool to constantly cool the machined area and remove chips at the same time.

[Problem that the invention attempts to solve]

When injecting coolant with a conventional coolant nozzle, when various tools are exchanged and machined using an automatic tool changer of an NC machine tool, the position to be machined each time differs depending on the length and diameter of the tool. Manually performed by an operator or automated
The angle of the coolant nozzle is automatically adjusted by internal processing of the NC device. Therefore, adjusting the angle of the coolant nozzle manually by an operator is time-consuming and inefficient, and fine adjustment requires experience. Furthermore, it is extremely difficult to make fine adjustments, especially with automatic coolant nozzle adjustment devices.

The purpose of the present invention was proposed in order to solve the problem in view of the above circumstances, and it is to provide a remotely controllable coolant nozzle that allows an operator to easily and easily perform minute operations by remote control. It is in.

[Means and actions to solve the problem]

This invention enables fine adjustment by operating the coolant nozzle from a remote location. That is,
The means includes a main body attached near the processing section of the machine tool, a first drive means provided on the main body, and a second drive means provided on the main body adjacent to the first drive means. and is provided at one end of the main body and is swung around a first fulcrum by the first driving means, and in a direction perpendicular to the oscillating plane around the first fulcrum by the second driving means. A plate that swings around a second fulcrum, a nozzle attached to this plate that spouts coolant toward the processing section, and one end of which is connected to the nozzle and the other end of which is connected to a coolant supply source. a coolant supply body that supplies coolant from a coolant supply source to the nozzle; and a remote control device that is provided at a location away from the processing section and that sends drive commands to the first and second drive means by operating a switch. By operating a switch on this remote control device, the direction of coolant ejection from the nozzle can be changed, allowing for fine adjustment.

Therefore, when supplying coolant from the supply hose that is the coolant supply body and injecting the coolant from the tip of the nozzle to the processing position, the position of the nozzle is finely adjusted by remote control of the push button, so that the coolant is accurately directed to the processing position. is injected into.

〔Example〕

Hereinafter, one embodiment of the present invention will be described in detail based on the drawings.

FIG. 1 is a perspective view of the coolant nozzle of the present invention, and FIG. 2 is a partially sectional front view of the coolant nozzle of the present invention attached to the side surface of the spindle head of a machine tool.

3 is a cross-sectional view taken along the line -- in FIG. 2, and FIG. 4 is a cross-sectional view taken along the line -- in FIG.

An outline of the present invention will be explained based on FIG.

In FIG. 1, a plate 2 is attached to the front surface of a main body 1. Furthermore, a block 5 to which a coolant nozzle 3 and a coolant supply hose 4 are attached is integrally fixed on the front surface of the plate 2.

Coolant is supplied to the supply hose 4 from the direction of the arrow and is injected from the tip of the coolant nozzle 3.

Next, the installed state and specific configuration of the coolant nozzle of the present invention will be explained based on FIGS. 2, 3, and 4.

In FIG. 2, the main body 1 of the coolant nozzle is attached to the side end of the spindle head 6. In FIG. A tool 8 is attached to a main shaft 7 which is rotatably supported on a main shaft head 6, and a workpiece W placed on a table 9 is subjected to predetermined machining. At this time, coolant supplied from the supply hose 4 is injected from the coolant nozzle 3 to the machining position of the workpiece W by the tool 8 to constantly cool the machining location and remove chips. In the present invention, the adjustment of the coolant nozzle 3 is remotely controlled by a push button connected from inside the main body 1 to the outside of the machine.

In FIGS. 2 and 3, the main body 1 of the coolant nozzle is attached to the side end of the spindle head 6.
Two reducer-equipped motors 10 and 11 are fixed to the frame 1a with bolts or the like. A pinion 13 is fitted onto the output shaft 12 of the motor 10 with a reduction gear, and a rack 14 is meshed with the pinion 13. In addition, easy 1
4 is fitted into the support parts 1b and 1c of the frame 1a, and the tip thereof protrudes from the frame 1a. The tip of the rack 14 is provided with a V-shaped groove 14a.
A flexible shaft 14b extends forward at the portion 4a, and a small ball 16 is integrally attached to the tip. 1f indicates a lid.

A spherical seat 2a is attached to the rear portion of the plate 2 to receive the small ball 16. Thus, the small ball 16 can fit into the spherical seat 2a and slide.

In FIGS. 2 and 4, a pinion 18 is fitted to the output shaft 17 of the motor 11 with a reduction gear, and a segment gear 19 of the pinion 18 is meshed. The opposite side part 19b of the gear part 19a of the segment gear 19 protrudes through a slot 1e formed in the frame 1a, and a shaft 20 integrated with the opposite side part 19b is inserted into the plate 2. It is pivotally supported by the support portion 1d. Opposite side 19b of segment gear 19
A shaft 21 is inserted approximately at the center of the shaft 21, and the segment gear 19 is rotatably supported by the frame 1a using the shaft 21 as a fulcrum as shown by the arrow. Since the plate 2 is connected to the segment gear 19 via the shaft 20, it is rotated in the same direction as the segment gear 19 rotates.

Furthermore, as mentioned above, as the rack 14 moves in the direction of the arrow shown in FIG. The flexible shaft 14b rotates while being slightly bent in a direction perpendicular to the direction. The coolant nozzle 3 thus moves in two directions via the block 5 attached to the front surface of the plate 2. The coolant nozzle 3 is moved in two directions by pushing a push button 22 connected to the two reduced-speed motors 10 and 11 by a cord 23 at a remote location. The push button 22 is divided into four parts, 22a and 22b are for forward and reverse rotation of the motor 10 with a reduction gear, and 22c and 22d are for the motor 1 with a reduction gear.
This is the button for normal rotation and reverse rotation.

Next, the operation of the present invention will be explained.

In FIG. 2, when the push button 22a is pressed to rotate the motor 10 with a reducer in the normal rotation, the output shaft 1
2, the pinion 13 rotates. pinion 1
The rack 14 engaged with the block 3 moves in the direction A, and the plate 2 rotates downward with respect to the plane of the paper using the shaft 20 as a fulcrum through the small ball 16 while slightly bending the flexible shaft 14b. The coolant nozzle 3 moves in the direction of arrow A. Further, by pressing the push button 22b and causing the motor 10 with a speed reducer to rotate in the reverse direction, the coolant nozzle 3 moves in the direction of arrow B by operating in the opposite direction to the above-described operation.

Press the push button 22c to turn on the motor 11 with reducer.
When the pinion 18 is rotated, the pinion 18 rotates via the output shaft 17. The segment gear 19 engaged with the pinion 18 rotates in a direction perpendicular to the plane of the paper, and the plate 2 rotates about the shaft 21 as a fulcrum.
At this time, the small ball 16 slides within the spherical seat 2a. Since the coolant nozzle 3 is integrally attached to the front surface of the plate 2 via the block 5,
Coolant nozzle 3 rotates in direction C. In addition, by pressing the push button 22d to reverse the speed reducer motor 11, the operation is reversed to the above-mentioned operation.
The coolant nozzle 3 rotates in the D direction.

Therefore, the position of the coolant nozzle 3 can be freely adjusted in two directions, A-B direction and C-D direction, by operating the push buttons 22a to 22d, and fine adjustments can be made easily and easily even during processing. I can do it.

〔effect〕

When processing a workpiece on a table with a tool attached to the spindle, the present invention allows the position of the coolant nozzle to be adjusted at the front, and fine adjustments can be made even during processing. What's more, even inexperienced users can make adjustments simply by pressing a button. The push button is located far away from the spindle head and can be operated, which is particularly effective during machining.

Furthermore, since the device of the present invention can be easily added to existing devices, the manufacturing cost is low. Moreover, by employing the device of the present invention, productivity is improved by several orders of magnitude compared to the conventional method.

[Brief explanation of drawings]

FIG. 1 is a perspective view of the coolant nozzle of the present invention, and FIG. 2 is a partially sectional front view of the coolant nozzle of the present invention attached to the end of the spindle head of a machine tool. Figure 3 is - of Figure 2.
FIG. 4 is a cross-sectional view taken along the - line in FIG. 2. 1... Main body, 2... Plate, 2a... Spherical seat, 3... Coolant nozzle, 4... Supply hose, 5... Block, 6... Spindle head, 7...
Spindle, 8...Tool, 9...Table, 10, 11
... Motor, 13 ... Pinion, 14 ... Rack, 14a ... V-shaped groove, 14b ... Flexible shaft, 1
6... Small ball, 18... Pinion, 19... Segment gear, 20, 21... Shaft, 22... Push button.

Claims (1)

[Claims for Utility Model Registration] A main body attached near the machining section of a machine tool, a first driving means provided on the main body, and a first driving means provided on the main body adjacent to the first driving means. 2 driving means, which is provided at one end of the main body and is swung around a first fulcrum by the first driving means, and a oscillating surface around the first fulcrum by the second driving means; A plate that swings around a second fulcrum in a right angle direction, a nozzle attached to this plate that spouts coolant toward the processing area, and one end connected to this nozzle and the other end connected to a coolant supply source. a coolant supply body that is coupled to the coolant supply source and supplies coolant to the nozzle from the coolant supply source; and a coolant supply body that is provided at a position remote from the processing section and sends a drive command to the first and second drive means by operating a switch. Consists of a remote control device,
A remotely controllable coolant nozzle, characterized in that the coolant jetting direction of the nozzle can be changed by operating a switch of the remote control device.