DE202016106312U1 - Device capable of working simultaneously with several cutting tools for a computerized lathe - Google Patents

Abstract

Apparatus capable of working with multiple cutting tools for a computerized lathe simultaneously, comprising:
A machine frame (10),
A main spindle set (100) having a main spindle holder (11) bolted to the machine frame (10), having a main spindle axis (12) which can be driven by a main spindle motor (15) for high speed rotation, wherein at the front end of the main spindle axis (12 a chuck set (13) and at the other end of the main spindle axis (12) a main spindle hydraulic cylinder (14) is provided, the chuck set (13) being driven by the main spindle hydraulic cylinder (14) to selectively clamp a workpiece to be machined,
A biaxially displaceable cross slide (40) mounted in front of the main spindle set (100) of the machine frame (10), the biaxially movable cross slide (40) having a Z-axis slider (41) slidably mounted on the machine frame (10), driven by a Z-axis servo-motor (221) having a Z-axis threaded rod (222), an X-axis base being provided at one end of the Z-axis slider (41), in which an X -Axis threaded rod (422) is disposed, wherein on the upper surface of the X-axis base, an X-axis sliding body (43) is slidably disposed, which can be made to move by the X-axis threaded rod (422) wherein the X-axis threaded rod (422) can be driven by an X-axis servo motor (421), wherein on the upper surface of the X-axis slider (43) a planar locking element (44) is mounted, the at least a cutting tool (33, 38) can selectively lock, the durc h the cutting tools (33, 38) of the main spindle set (100) workpiece to be machined can be brought to move along the X-axis and the Z-axis,
- at least one biaxially movable cutting tool pair carriage for the main spindle (20) having a Z-axis base (21) which can be screwed to the main spindle holder (11), on which a Z-axis sliding body (23) is slidably disposed, wherein at the Z Further, a Z-axis threaded rod (222) is arranged, through which the Z-axis sliding body (23) can be made to move, wherein the Z-axis threaded rod (222) by a Z -Axis servo motor (221) can be driven, wherein at the other end of the Z-axis slider (23) has a Y-axis base (25) is provided, the two outwardly facing side surfaces corresponding to a first rail side (251) and a second rail side (252), wherein on the Y-axis base (25) a Y-axis threaded rod (26) is arranged, which can be driven by a Y-axis servo motor (27), wherein the upper and lower portions of the Y-axis threaded rod (26) corresponding to a Gewin deabschnitt (261) are formed with a clockwise thread and a threaded portion (262) with a counterclockwise thread on which a corresponding first ball bushing (281) and a second ball bushing (282) is screwed, and
- A first cutting tool set (30) and a second cutting tool set (35), each having a ...

Description

Technical area

The invention relates to a computer-aided lathe, in particular a device with the possibility of working with several cutting tools for a computer-aided lathe, wherein the lathe several cutting tools can be used simultaneously, so that an increased machining precision and a reduced machining time can be achieved and the problem of deficiency is solved on cutting tools.

State of the art

In recent years, the technology of computer-aided CNC lathes (CNC = Computerized Numerical Control, German: computer-numerical control) has developed rapidly. For computer-aided control, the lathe requires motors and corresponding accessories. Motors have a certain volume, which is not yet reduced with the present state of the art, so that the design of a CNC lathe is limited due to the not yet reducible space requirements of the engine. Compared with a conventional cam-driven machine, the number of cutting tools usable in the lathe is smaller and the machining speed is lower. However, in the conventional cam-driven machines, there is a problem that all devices and tool carriages are driven by cams, and the machine has to be operated by an experienced operator. Furthermore, only shaped cutting tools can be used in such machines. CNC lathes use commercially available disposable blades, which simplifies the operation of CNC lathes. Further, the machining precision of the conventional cam-driven machines is not stable and no precise compensation of the wear of the cutting tool is possible.

In a CNC lathe with cross slide, although it is possible to provide several cutting tools on the cross slide for each machining operation, simultaneous use of the cutting tools for machining a workpiece is not possible, but different cutting tools can only be used sequentially, so for machining waiting times arise with different cutting tools. In conventional machines with a cam drive, three tool slides are arranged above the main spindle of the machine, each of which has a cutting tool, the tool slides can not all be moved simultaneously up and down and have to wait for each other. Furthermore, in front of the main spindle of the machine, a tool carriage is arranged, which is equipped with two cutting tools, wherein the tool carriage can only be moved forward and backward to drill inner holes. Since all movements of this machine are started by cams, only experienced users are able to adjust and adjust the cutting tools.

In order to solve the above-described problems, the inventor has developed a device capable of working simultaneously with a plurality of cutting tools for a computer-aided lathe, which are described in the Taiwanese utility model TW102218121 is disclosed. The device allows the simultaneous use of multiple cutting tools to simultaneously machine a workpiece at different outside diameters and at the inside diameter along the main spindle. At the same time at least two cutting tools can be used, whereby the number of usable cutting tools is increased, the processing time is shortened and the time for the cutting tool change is saved. However, in the inventor's view, the above conventional device is still in need of improvement in terms of processing efficiency and applicability.

Object of the invention

The invention has for its object to provide a device with the possibility of working simultaneously with several cutting tools for a computer-aided lathe, the computer-aided lathe is equipped with a plurality of cutting tools, which can be used simultaneously for processing, whereby the processing efficiency and the applicability of the lathe can be increased.

It is a further object of the invention to provide a device capable of working simultaneously with a plurality of cutting tools for a computer-aided lathe, wherein a plurality of cutting tools can be used simultaneously for machining, thereby significantly increasing the number of cutting tools and the processing time and time is reduced for the cutting tool change.

Technical solution

This task is accomplished by a facility with the ability to work with multiple cutting tools simultaneously computer-assisted lathe having the features of claim 1. Advantageous developments are the subject of the dependent claims.

The device according to the invention with the possibility of working simultaneously with several cutting tools for a computer-aided lathe comprises the following:
a machine frame,
a main spindle set having a main spindle holder bolted to the machine frame having a main spindle axis which can be driven by a main spindle motor for high speed rotation, wherein a chuck set is provided at the front end of the main spindle axis and a main spindle hydraulic cylinder is provided at the other end thereof Main spindle hydraulic cylinder is driven to selectively clamp a workpiece to be machined,
a biaxially displaceable cross slide mounted in front of the main spindle set of the machine frame, the biaxially displaceable cross slide having a Z-axis slider slidably mounted on the machine frame and driven by a Z-axis threaded rod having a Z-axis servomotor; an X-axis base is provided at one end of the Z-axis slider, in which an X-axis threaded rod is arranged, wherein on the upper surface of the X-axis base, an X-axis slider is slidably disposed, can be driven by the X-axis threaded rod for moving, wherein the X-axis threaded rod can be driven by an X-axis servo motor, wherein on the upper surface of the X-axis slider, a planar locking element is mounted, the optionally can lock at least one cutting tool, wherein the workpiece to be machined by the cutting tools of the main spindle set to move along the X-axis and the Z-axis can be brought
at least one main axis biaxially movable cutter pair carriage having a Z-axis base bolted to the main spindle holder on which a Z-axis slider is slidably disposed, further comprising a Z-axis threaded rod on the Z-axis base by which the Z-axis slider can be driven for movement, wherein the Z-axis threaded rod can be driven by a Z-axis servomotor, wherein at the other end of the Z-axis slider provided a Y-axis base is, whose two outwardly directed side surfaces are each formed as a first rail side and a second rail side, wherein on the Y-axis base, a Y-axis threaded rod is arranged, which can be driven by a Y-axis servo motor, wherein at the upper and lower portions of the Y-axis threaded rod, respectively, a threaded portion having a clockwise extending thread and a threaded portion having a em counterclockwise thread are formed, on which a corresponding first ball bushing and a second ball bushing are screwed, and
a first cutting tool set and a second cutting tool set, each having a Y-axis sliding body, the two Y-axis sliding bodies being respectively slidably disposed on the first and second rail sides of the Y-axis base, the Y-axis sliding bodies Sliding members of the first and second cutting tool set can be made to move by the first and second ball bushings arranged opposite to each other so that the second cutting tool set can simultaneously be lowered upon lifting of the first cutting tool set and lifted simultaneously upon lowering of the first cutting tool set on the Y-axis sliding bodies in each case a locking element for selectively locking a cutting tool is provided.

The inventive device with the possibility of working with several cutting tools for a computer-aided lathe is advantageous because the biaxially movable cutter pair carriage for the main spindle do not interfere with each other, so that the workpiece to be machined can be processed simultaneously by the Schneidpaarpaarschlitten, the biaxially movable cross slide at the same time also be able to machine the workpiece to be machined by turning the outer diameter and the inner diameter and drill holes in the workpiece, wherein at least two cutting tools can be used simultaneously. As a result, the number of cutting tools used is increased and the machining time and the time for the cutting tool change are considerably shortened, which contributes to an effective increase in the machining efficiency and to increase the applicability of the lathe. Thus, the added value and the economic efficiency of the lathe are increased.

Brief description of the drawings

1 shows an external perspective view of a device according to the invention with the possibility of working simultaneously with several cutting tools for a computer-aided lathe,

2 shows a planar side view of the device according to the invention,

3 shows a planar front view of the device according to the invention,

4 shows an exploded view of the main spindle set of the device according to the invention,

5 shows an exploded view of the biaxially movable cross slide of the device according to the invention, and

6 shows an exploded view of the biaxially movable Schneidpaarpaarschlittens for the main spindle of the device according to the invention.

Ways of carrying out the invention

In the following, objects, features and advantages of the present invention will become more apparent from the detailed description of an embodiment with reference to the accompanying drawings. The invention should not be limited to the embodiment known from the description and the accompanying drawings.

How out 1 to 3 it can be seen, the device according to the invention with the possibility of working with several cutting tools for a computer-aided lathe simultaneously comprises a machine frame 10 at which a main spindle set 100 , at least one biaxially movable cutter pair carriage for the main spindle 20 and a biaxially movable cross slide 40 are arranged, wherein in the preferred embodiment of the invention, three biaxially movable Schneidpaarpaarschlitten for the main spindle 20 each biaxially movable cutter pair carriage for the main spindle 20 with a first cutting tool set 30 and a second cutting tool set 35 is provided, wherein the biaxially movable cutter pair carriage for the main spindle 20 each at the main spindle set 100 attached, wherein the respective first and second cutting tool sets 30 . 35 on the biaxially movable cutter pair carriage for the main spindle 20 in relation to the main spindle set 100 along the Y-axis and the Z-axis are displaceable, wherein the biaxially movable cross slide 40 with respect to the workpiece to be machined on the main spindle set 100 along the Z-axis and the X-axis is displaceable.

For details of the structure of the main spindle set 100 will be on 1 to 4 directed. The main spindle set 100 has one on the upper surface of the machine frame 10 screwed main spindle holder 11 on, where at the main spindle set 100 at least one assembly level 111 is arranged, on which a biaxially movable cutter pair carriage for the main spindle 20 is appropriate. At the main spindle holder 11 is a main spindle axis 12 rotatably mounted by a main spindle motor 15 can be driven to a high speed rotation. Furthermore, on a biaxially movable cross slide 40 corresponding end of the main spindle axis 12 a chuck set 13 provided and at the other end of the main spindle axis 12 is a main spindle hydraulic cylinder 14 provided, the chuck set 13 through the main spindle hydraulic cylinder 14 is driven to selectively clamp a workpiece to be machined. On one side of the main spindle axis 12 is a decoder 16 arranged to calculate the rotational speed of the main spindle axis 12 serves.

As in 1 to 3 and 5 is shown, is the biaxially movable cross slide 40 designed such that on the machine frame 10 a Z-axis slider 41 is slidably disposed on the upper surface of the Z-axis slider 41 an X-axis slider 43 by means of an X-axis drive set 42 is slidably disposed, wherein the X-axis drive set 42 an X-axis servomotor 421 and an X-axis threaded rod 422 includes, wherein the X-axis slider 43 through the X-axis servomotor 421 can be brought to slip. In the middle of the upper surface of the X-axis slider 43 is a planar locking element 44 arranged, which can optionally lock at least one cutting tool. The cutting tools of the biaxially movable cross slide 40 can be driven so that they are in relation to the workpiece to be machined of the main spindle set 100 along the X-axis and the Z-axis to work the workpiece on the outer diameter and the inner diameter by rotation and to drill holes in the workpiece. Furthermore, the biaxially movable cross slide 40 with a telescopic protective cover 45 provided on the machine frame 10 is appropriate. On the X-axis servomotor 421 of the X-axis drive set 42 of the biaxially movable cross slide 40 is a dustproof cover 425 placed. At the front edge of the planar locking element 44 is also a dustproof disc 46 arranged, which saves space and facilitates the removal of metal shavings.

For details of the construction of the biaxially movable cutter pair carriage for the main spindle 20 will be on 1 to 3 and 6 directed. According to the invention, there are three biaxially movable cutting tool pair carriages for the main spindle 20 intended. The biaxially movable cutter pair carriage for the main spindle 20 are each with a Z-axis base 21 provided with the Z-axis bases 21 at different mounting levels 111 of the main spindle holder 11 can be screwed and thus not hinder each other. Through a Z Axis drive set 22 is a Z-axis slider 23 at the Z-axis base 21 slidably disposed, with the Z-axis drive set 22 a Z-axis servomotor 221 and a Z-axis threaded rod 222 wherein the Z-axis slider 23 through the Z-axis drive set 22 can be propelled towards the Z-axis base 21 to move along the Z axis. Furthermore, on the biaxially movable cross slide 40 corresponding end of the Z-axis slider 23 a Y-axis base 25 arranged, whose two outwardly directed side surfaces each as a first rail side 251 and a second rail side 252 are formed, with these rail sides 251 . 252 the first and second cutting tool sets 30 . 35 attached, being on the Y-axis base 25 a Y-axis threaded rod 26 is arranged by a Y-axis servomotor 27 can be driven, wherein at the top and bottom portions of the Y-axis threaded rod 26 according to a threaded section 261 with a clockwise running thread and a threaded portion 262 are formed with a counterclockwise thread, wherein the threaded portions 261 . 262 according to a first ball socket 281 and a second ball bush 282 are screwed, wherein the first and the second cutting tool set 30 . 35 corresponding to the first and the second ball bushing 281 . 282 are attached and thus through the first and second ball bushing 281 . 282 can be raised or lowered along the Y-axis. When lifting the first cutting tool set 30 may be the second cutting tool set 35 be lowered simultaneously. Conversely, the second cutting tool set 35 when lowering the first cutting tool set 30 be raised at the same time.

The first and second cutting tool sets 30 . 35 are each with a Y-axis slider 31 ( 36 ), wherein on the Y-axis sliding bodies 31 . 36 one locking element each 32 . 37 is arranged, wherein the locking elements 32 . 37 a cutting tool 33 respectively. 38 lock selectively. The cutting tools 33 . 38 of the first and second cutting tool sets 30 . 35 the biaxially movable cutter pair carriage for the main spindle 20 can be driven so that they simultaneously with respect to the workpiece to be machined of the main spindle set 100 along the Y-axis and the Z-axis to machine the workpiece to be machined so that at the same time outer diameter in different sizes are made on this workpiece.

So can six cutting tools 33 . 38 on the three biaxially movable cutter pair carriage for the main spindle 20 to be appropriate. If the cutting tools of the biaxially movable cross slide 40 can also be used, a machining of a workpiece can be realized with the simultaneous use of multiple cutting tools, whereby the processing efficiency is increased.

For a concrete example of application of the device according to the invention is on 3 . 4 and 5 directed. Above the main spindle holder 11 are three biaxially movable cutter pair carriage for the main spindle 20 attached, each of which through the Z-axis drive set 22 is driven to move. Each biaxially movable cutter pair carriage for the main spindle 20 has a first and a second cutting tool set 30 . 35 , both through the Y-axis threaded rod 26 are driven. The Y-axis threaded rod 26 has a threaded portion 261 with a clockwise running thread and a threaded portion 262 with a counterclockwise thread, so that each cutting tool can machine the workpiece at the outer diameter (along the Z-axis and the Y-axis). Further, on each biaxially movable cutter pair carriage for the main spindle 20 a first and a second cutting tool set 30 . 35 be attached, extending through the Y-axis threaded rod 26 that with a threaded section 261 with a clockwise thread and a threaded portion 262 is formed with a counterclockwise thread, do not interfere with each other. The second cutting tool set 35 can when lifting the first cutting tool set 30 lowered simultaneously and when lowering the first cutting tool set 30 be raised at the same time. The biaxially movable cutting tool pair carriage according to the invention for the main spindle 20 owns six cutting tools 33 . 38 , which can be used simultaneously for machining a workpiece.

In summary, it should be noted that in the device according to the invention with the possibility of working simultaneously with several cutting tools for a computer-aided lathe in front of the main spindle holder 11 arranged biaxially movable cross slide 40 which can machine a workpiece at the outer diameter and inner diameter and drill a hole in the workpiece (along the Z-axis and the X-axis). At the same time are above the main spindle holder 11 three biaxially movable cutting tool pair carriages for the main spindle 20 provided, their cutting tools 33 . 38 not interfere with each other, so that the workpiece to be machined on the main spindle axis 12 at the same time in different places can be edited. The biaxially movable cutter pair carriage for the main spindle 20 can be used for the production of outside diameters in different sizes, whereby the biaxially movable cross slide 40 can be used simultaneously to a workpiece on the outer diameter and inner diameter by rotation along the main spindle axis 12 to machine and drill holes in the workpiece, so that in the computerized lathe several cutting tools 33 . 38 can be used simultaneously, whereby the processing time is reduced and the problem of a lack of cutting tools is solved. The device according to the invention is controlled by means of a computer, thereby facilitating the operation of the device. In addition, a precise compensation of the wear of the cutting tools on the computer can be performed in order to increase the machining precision. Commercially available disposable blades and shaped cutting tools can be used for the device. The invention is characterized in that the number of cutting tools 33 . 38 is increased and the processing time and the time for the cutting tool change is significantly reduced, whereby the processing efficiency and the applicability of the lathe are increased.

The invention relates to a device with the possibility of working simultaneously with a plurality of cutting tools for a computer-aided lathe, wherein the device is a machine frame ( 10 ), on which a main spindle set ( 100 ), at least one biaxially movable cutter pair carriage for the main spindle ( 20 ) and a biaxially movable plan sections ( 40 ), each biaxially movable cutter pair carriage for the main spindle ( 20 ) with a first cutting tool set ( 30 ) and a second cutting tool set ( 35 ), the second cutting tool set ( 35 ) when lifting the first cutting tool set ( 30 ) lowered simultaneously and when lowering the first cutting tool set ( 30 ) can be lifted simultaneously, wherein the first and the second cutting tool set ( 30 . 35 ) each with a Y-axis slider ( 31 . 36 ), wherein on the Y-axis sliding bodies ( 31 . 36 ) each have a locking element ( 32 . 37 ) for selectively locking a cutting tool ( 33 . 38 ) is provided. With the device according to the invention, several cutting tools ( 33 . 38 ) can be used simultaneously for machining a workpiece, whereby the processing time and the time for the tool change can be reduced.

Although the present invention has been described in detail with reference to the embodiments, it will be understood by those skilled in the art that the invention is not limited to these embodiments, but rather modifications are possible in such a way that individual features are omitted or other types of combinations of features realized as long as the scope of protection of the appended claims is not abandoned. The disclosure of the present invention includes all combinations of the featured individual features.

LIST OF REFERENCE NUMBERS

10

machine frame

100

Main spindle set

11

Main spindle holder

111

mounting level

12

Main spindle axis

13

Chuck set

14

Main spindle hydraulic cylinder

15

Main spindle motor

16

decoder

20

biaxially movable cutter pair carriage for the main spindle

21

Z-axis basic

22

Z-axis drive set

221

Z-axis servomotor

222

Z-axis threaded rod

23

Z-axis slide body

25

Y-axis basic

251

first rail side

252

second rail side

26

Y-axis threaded rod

261

Threaded section with a clockwise running thread

262

Threaded section with a counterclockwise thread

27

Y-axis servo motor

281

first ball bush

282

second ball bush

30

first cutting tool set

31

Y-axis slide body

32

locking element

33

cutting tool

35

second cutting tool set

36

Y-axis slide body

37

locking element

38

cutting tool

40

biaxially movable cross slide

41

Z-axis slide body

42

X-axis drive set

421

X-axis servo motor

422

X-axis threaded rod

425

dustproof cover

43

X-axis slide body

44

planar locking element

45

telescopic protective cover

46

dustproof disc

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• TW 102218121 [0004]

Claims (1)

Device capable of working simultaneously with a plurality of cutting tools for a computer-aided lathe, comprising: - a machine frame ( 10 ), - a main spindle set ( 100 ), one on the machine frame ( 10 ) screwed main spindle holder ( 11 ) having a main spindle axis ( 12 ), which by a main spindle motor ( 15 ) can be driven for high-speed rotation, wherein at the front end of the main spindle axis ( 12 ) a chuck set ( 13 ) and at the other end of the main spindle axis ( 12 ) a main spindle hydraulic cylinder ( 14 ), the chuck set ( 13 ) by the main spindle hydraulic cylinder ( 14 ) is selectively driven to clamp a workpiece to be machined, - a biaxially movable cross slide ( 40 ), which before the main spindle set ( 100 ) of the machine frame ( 10 ), wherein the biaxially movable cross slide ( 40 ) one on the machine frame ( 10 ) sliding Z-axis sliding body ( 41 ), which by a Z-axis threaded rod ( 222 ) Z-axis servomotor ( 221 ) is driven, wherein at one end of the Z-axis slider ( 41 ) an X-axis base is provided in which an X-axis threaded rod ( 422 ), wherein on the upper surface of the X-axis base, an X-axis slider ( 43 ), which is guided by the X-axis threaded rod ( 422 ) can be made to move, wherein the X-axis threaded rod ( 422 ) by an X-axis servomotor ( 421 ), wherein on the upper surface of the X-axis slider ( 43 ) a planar locking element ( 44 ), the at least one cutting tool ( 33 . 38 ) can selectively lock, whereby by the cutting tools ( 33 . 38 ) of the main spindle set ( 100 ) workpiece to be machined can be brought for displacement along the X-axis and the Z-axis, - at least one biaxially movable cutting tool pair carriage for the main spindle ( 20 ), one at the main spindle holder ( 11 ) Z-axis boltable base ( 21 ), on which a Z-axis sliding body ( 23 ), wherein at the Z-axis base ( 21 ) a Z-axis threaded rod ( 222 ) is arranged, through which the Z-axis sliding body ( 23 ) can be made to move, wherein the Z-axis threaded rod ( 222 ) by a Z-axis servomotor ( 221 ) can be driven, wherein at the other end of the Z-axis slider ( 23 ) a Y-axis base ( 25 ) is provided, whose two outwardly directed side surfaces corresponding to a first rail side ( 251 ) and a second rail side ( 252 ) are formed on the Y-axis base ( 25 ) a Y-axis threaded rod ( 26 ), which is controlled by a Y-axis servomotor ( 27 ) can be driven, wherein at the upper and lower portions of the Y-axis threaded rod ( 26 ) corresponding to a threaded portion ( 261 ) with a clockwise thread and a threaded portion ( 262 ) are formed with a counterclockwise thread, to which a corresponding first ball bushing ( 281 ) and a second ball bushing ( 282 ), and - a first cutting tool set ( 30 ) and a second cutting tool set ( 35 ), each having a Y-axis slider ( 31 . 36 ), wherein the two Y-axis sliding body ( 31 . 36 ) corresponding to the first and the second rail side ( 251 . 252 ) of the Y-axis base ( 25 ) are slidably disposed, wherein the Y-axis sliding body ( 31 . 36 ) of the first and second cutting tool sets ( 30 . 35 ) through the first and the second ball bushing ( 281 . 282 ), which are arranged opposite one another, can be brought to move, so that the second cutting tool set ( 35 ) when lifting the first cutting tool set ( 30 ) lowered simultaneously and when lowering the first cutting tool set ( 30 ) can be lifted simultaneously, wherein on the Y-axis sliding bodies ( 31 . 36 ) each have a locking element ( 32 . 37 ) is provided for selectively locking a cutting tool.

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