TWM581024U - Feeding device of CNC lathe - Google Patents

Abstract

A feeding device for a CNC lathe drives a cutting tool to perform relative movement and cutting processing on a workpiece when the spindle of the CNC lathe stops rotating. The feeding device of the CNC lathe comprises: a movable base mounted on a bed of the CNC lathe, the movable base is configured to perform a shaft rotation and a linear motion in a longitudinal or lateral direction relative to the bed to adjust the movable type a relative position and a relative angle of the base relative to an axis of the main shaft, the shaft of the movable base is rotated about an axis of rotation of the movable base; and the tool holder is configured to clamp the cutting The tool holder is mounted on the movable base, and the drive block has a drive motor to drive the cutting tool to rotate to cut the workpiece.

Description

CNC lathe feed device

This creation relates to a CNC lathe, in particular to a feed device for a CNC lathe.

The prior art CNC lathe is a processing mode in which the workpiece is clamped on the spindle and rotated by the spindle, and the cutting tool is mounted on the CNC lathe in a manner close to or away from the rotating workpiece. The workpiece is processed into a cylindrical workpiece having an axially symmetrical shape. However, due to limitations in the machining mode of the CNC lathe, when there is a special processing requirement (for example, forming a longitudinal groove on the outer peripheral surface of the workpiece or machining a hole of a certain angle on the workpiece), Other types of processing machines (such as milling machines, drilling machines) need to be combined to complete the processing. Therefore, the prior art CNC lathe is not only difficult to meet the needs of special processing, but also the process of replacing the processing machine is time consuming and reduces the efficiency of the overall machining operation.

Therefore, in order to solve the above problems, the purpose of the present invention is to provide a feed device for a CNC lathe, and when the spindle of the CNC lathe stops rotating, the workpiece is machined by the operation and movement of the cutting tool.

The technical means adopted by the present invention for solving the problems of the prior art provides a feeding device for a CNC lathe, when the spindle of the CNC lathe stops, and when the chuck connected to the spindle and holds a workpiece is stopped, the chuck is stopped. When the workpiece is rotated relative to the axis of the spindle, the feeding device of the CNC lathe drives a cutting tool to move relative to the workpiece and drives the cutting tool to cut the workpiece, and the CNC lathe is advanced. The knife device comprises: a movable base mounted on a bed of the CNC lathe, the movable base is configured to perform a shaft rotation and a linear movement in a longitudinal direction or a transverse direction relative to the bed to adjust the movable base relative to the a relative position and a relative angle of the axis of the main shaft, the shaft of the movable base is rotated about the axis of rotation of the movable base; and the tool holder is configured to clamp the cutting tool, the driving knife The seat is mounted on the movable base, and the drive tool holder has a drive motor for driving the cutting tool to rotate the rotating shaft of the drive tool holder to perform machining on the workpiece.

In an embodiment of the present invention, a feeding device for a CNC lathe is provided, wherein the movable base has a dial, and the dial is disposed between the movable base and the driving tool holder to display the movable type The angle at which the base and the drive holder pivot.

In an embodiment of the present invention, a feed device for a CNC lathe is provided, wherein the movable base has a servo motor that drives the movable base to perform linear and/or axial movement relative to the bed.

In an embodiment of the present invention, a feeding device for a CNC lathe is provided, wherein a bed of the CNC lathe is provided with a sliding seat, and the movable base is mounted on the sliding seat to enable the movable base The bed is moved linearly in the longitudinal or lateral direction.

In an embodiment of the present invention, there is provided a tool feeding device for a CNC lathe, wherein the CNC lathe has a power servo motor to rotate the spindle to a predetermined angular position and the spindle is fixed by a spindle brake of the CNC lathe, Thereby, the movable base drives the driving tool holder to perform shaft rotation and linear movement in the longitudinal direction or the transverse direction with respect to the bed, and the workpiece on the spindle is cut.

The tool feeding device of the CNC lathe has the following functions: under the premise that the spindle of the CNC lathe stops rotating, the driving tool holder drives the cutting tool to operate to cut the stationary workpiece, and the movable base drives the driving knife. The seat shaft rotates and moves linearly or horizontally with respect to the bed of the CNC lathe, and adjusts the relative position and relative angle between the cutting tool and the workpiece to complete the special processing.

Hereinafter, an embodiment of the present creation will be described based on Figs. 1 to 4 . This description is not intended to limit the implementation of the present invention, but is one of the embodiments of the present invention.

Referring to FIGS. 1 and 2, a CNC machine tool feeding device 100 includes a movable base 1 and a drive tool holder 2. When the spindle S of the CNC lathe L is stopped, and when the chuck F connected to the spindle S and holding a workpiece W1 is stopped to rotate the workpiece W1 relative to the axis A9 of the spindle S, the CNC lathe The feeding device 100 drives a cutting tool T to move relative to the workpiece W1 and drives the cutting tool T to cut the workpiece W1. Further, the CNC lathe L has a power servo motor P to rotate the spindle S to a predetermined angular position and the spindle S is held fixed by the spindle brake K of the CNC lathe L, whereby the movable base 1 drives The driving tool holder 2 performs shaft rotation and linear movement in a longitudinal direction or a lateral direction with respect to the bed B of the CNC lathe L, so that the driving tool holder 2 drives the cutting tool T to perform machining on the workpiece W1 on the main shaft S. Cutting processing.

Referring to FIGS. 1 , 2 , and 4 , the movable base 1 is attached to the bed B of the CNC lathe. The movable base 1 is configured to perform a shaft rotation and a linear motion in a longitudinal direction or a lateral direction with respect to the bed B to adjust a relative position and a relative angle of the movable base 1 with respect to an axis A9 of the spindle S. The shaft of the base 1 is rotated about the axis of rotation A1 of the movable base 1. Specifically, the bed B of the CNC lathe L is provided with a slide C, and the movable base 1 is mounted to the slide C so that the movable base 1 can be longitudinally or laterally oriented to the bed B. The linear motion. In other words, the movable base 1 is moved longitudinally or laterally in the bed B through the slide C toward or away from the workpieces W1, W2 on the spindle S.

Specifically, as shown in FIGS. 1 , 2 , and 4 , the movable base 1 has a dial 11 that is provided on the top surface of the movable base 1 to display the movable type. The angle at which the base 1 pivots. Further, the movable base 1 has a servo motor 12 that is driven to drive the movable base 1 to perform linear and/or axial movement with respect to the bed B on the slide C. Of course, the linear and/or axial movement of the movable base 1 of the present invention is not limited to being "driven by the actuating servo motor 12", and the movable base 1 can also be manually rotated or rotated. For the longitudinal or lateral linear movement of the bed B.

As shown in FIGS. 1 and 2, the driving blade holder 2 is disposed to sandwich the cutting tool T, and the driving blade holder 2 is attached to the movable base 1 such that the dial 11 is located in the movable type. Between the base 1 and the drive tool holder 2. Specifically, the drive tool holder 2 has a drive motor 21 that drives the cutting tool T to rotate the rotation axis A2 of the drive tool holder 2 to perform machining on the workpiece W1.

Further, as shown in FIGS. 3 and 4, the axis of rotation of the movable base 1 with respect to the rotation axis A1 forms a relative relationship between the rotation axis A2 of the drive tool holder 2 and the axis A9 of the spindle S. Angle θ1. Moreover, the present invention cooperates with the collet F2 having the inclined fixing surface design, and the machining surface of the machining member W2 clamped on the collet F2 and the rotation axis A2 of the driving blade holder 2 (that is, the cutting tool) A vertical angle θ2 is maintained between the feed directions of T, wherein the collet F2 maintains the positioning of the collet F2 on the axis A9 by the engagement of the two locating pins J. That is, the driving tool holder 2 is rotated by a machining angle with respect to the surface to be machined of the workpiece W2 with the rotation axis A1 of the movable base 1 as an axis, so that the cutting tool T can be used for the workpiece. Holes are machined on W2.

As can be seen from the above, in the case of the CNC turning machine 100 of the present invention, when the spindle S of the CNC lathe L stops rotating, the movable base 1 and the cutting tool T are driven to rotate and relative. The linear motion of the bed B of the CNC lathe L is longitudinally or laterally adjusted to adjust the relative position and relative angle between the cutting tool T and the workpieces W1, W2, and the present invention drives the cutting tool T to operate through the driving tool holder 2 The workpieces W1, W2 that remain stationary are cut. In this way, the creation can reduce the working time and improve the efficiency of the overall machining operation under the condition that “there is no need for multiple processing machines to complete the special processing requirements”.

The above description and description are only illustrative of the preferred embodiments of the present invention, and those having ordinary skill in the art can make other modifications based on the scope of the patent application as defined below and the above description, but such modifications are still It should be considered as the inventive spirit of this creation and is within the scope of the present invention.

>100‧‧‧CNC lathe feed device

1‧‧‧ movable base

11‧‧‧ dial

12‧‧‧Activity servo motor

2‧‧‧Drive tool holder

21‧‧‧Drive motor

A1‧‧‧Rotary axis

A2‧‧‧ rotating shaft

A9‧‧‧ axis

B‧‧‧ bed

C‧‧‧Slide

F‧‧‧ chuck

F2‧‧‧ chuck

J‧‧‧ positioning pin

K‧‧‧Spindle brake

L‧‧‧CNC lathe

P‧‧‧Power servo motor

S‧‧‧ Spindle

T‧‧‧ cutting tool

W1‧‧‧Processing parts

W2‧‧‧Processed parts

Θ1‧‧‧relative angle

θ2‧‧‧Vertical angle

1 is a schematic structural view showing a cutting device of a CNC lathe according to an embodiment of the present invention applied to a machining process of a workpiece;  Figure 2 is a top plan view showing the feeding device of the CNC lathe created in Figure 1;  3 is a schematic structural view showing a cutting device of a CNC lathe according to an embodiment of the present invention applied to cutting of another workpiece;  Fig. 4 is a top plan view showing the feed device of the CNC lathe created in Fig. 3.  

Claims (5)

A feeding device for a CNC lathe, when the spindle of the CNC lathe stops, and when the chuck connected to the spindle and holding a workpiece stops driving the workpiece relative to the axis of the spindle, the CNC lathe The feeding device drives a cutting tool to move relative to the workpiece and drives the cutting tool to cut the workpiece. The feeding device of the CNC lathe includes:  a movable base mounted on the bed of the CNC lathe, the movable base is for performing a shaft rotation and linearly moving in a longitudinal direction or a lateral direction relative to the bed to adjust the axis of the movable base relative to the spindle a relative position and a relative angle, the axis of the movable base is rotated about an axis of rotation of the movable base;  a driving tool holder configured to clamp the cutting tool, the driving tool holder being mounted on the movable base, the driving tool holder having a driving motor for driving the cutting tool to rotate the rotating shaft of the driving tool holder The workpiece is machined.   The feeding device of the CNC lathe according to claim 1, wherein the movable base has a dial, and the dial is disposed between the movable base and the driving tool holder to display the movable base and the The angle at which the tool holder pivots. The feed device of the CNC lathe according to claim 1, wherein the movable base has a servo motor for driving the movable base to perform a linear and/or axial movement relative to the bed. The feeding device of the CNC lathe according to claim 1, wherein the bed of the CNC lathe is provided with a sliding seat, and the movable base is mounted on the sliding seat to enable the movable base to be used for the bed Perform a linear motion in the longitudinal or lateral direction. The tool feeding device for a CNC lathe according to claim 1, wherein the CNC lathe has a power servo motor to rotate the spindle to a predetermined angular position and the spindle is fixed by the spindle brake of the CNC lathe, whereby the movable The pedestal drives the drive knives to perform axial rotation and linear movement in the longitudinal direction or the transverse direction relative to the bed for cutting the workpiece on the spindle.