CN108380906B

CN108380906B - A CNC lathe

Info

Publication number: CN108380906B
Application number: CN201810496545.4A
Authority: CN
Inventors: 臧伦国
Original assignee: Jiangmen Hongyixiang Cnc Equipment Co ltd
Current assignee: Jiangmen Hongyixiang Cnc Equipment Co ltd
Priority date: 2018-05-22
Filing date: 2018-05-22
Publication date: 2025-02-18
Anticipated expiration: 2038-05-22
Also published as: CN108380906A

Abstract

The invention discloses a CNC lathe, aiming to provide a CNC lathe with the advantages of being able to install tools of various specifications, convenient tool replacement during use, fast and accurate tool change, and high use efficiency. The key points of its technical solution are: it includes a machine body, a workbench arranged in the machine body and a clamping member for clamping a workpiece, a mounting plate rotatably connected to the workbench, a driving mechanism and a positioning rotating member arranged between the driving mechanism and the mounting plate, which are used to link the mounting plate to rotate and limit the angle of each rotation of the mounting plate. The driving mechanism includes a motor reducer, and the output shaft of the motor reducer is fixed to the center of the active plate. When the driving mechanism rotates one circle, it can drive the positioning rotating member and the mounting plate to rotate a certain angle to complete the replacement of the tool. In this way, the operator can replace the tool more conveniently during the processing, and the tool change is relatively fast, rapid and accurate, and the processing efficiency is high.

Description

Numerical control lathe

Technical Field

The invention relates to the field of part machining equipment, in particular to a numerical control lathe.

Background

With the rapid development of social production and scientific technology, the performance and quality of mechanical products are continuously improved, and the updating of the products is also continuously accelerated. Therefore, the machine tool is required to have high precision and productivity, and the production needs of the machine tool can prompt the generation of the numerical control machine tool to rapidly adapt to the change of product parts. The lathe is a machine tool for turning a rotating workpiece with a turning tool. The lathe can also be used for corresponding machining by using a drill bit, a reamer, a tap, a die, a knurling tool and the like.

The application of the numerical control technology not only brings revolutionary changes to the traditional manufacturing industry and makes the manufacturing industry become an industrialized sign, but also plays an increasingly important role in the development of important industries (IT, automobiles, light industry, medical treatment and the like) of national and civil life along with the continuous development and expansion of the application field of the numerical control technology, because the digitization of equipment required by the industries is a great trend of modern development.

The numerical control lathe and the turning center are high-precision and high-efficiency automatic lathes. The multi-station tool turret or the power tool turret is equipped, so that the machine tool has wide processing technological performance, can process complex workpieces such as linear cylinders, oblique line cylinders, circular arcs, various threads, grooves, worms and the like, has linear interpolation and circular arc interpolation various compensation functions, and plays a good economic effect in the mass production of complex parts.

At present, chinese patent publication No. CN207343798U discloses a numerical control lathe convenient to process, its base, the top of base is fixed with lathe control cabinet, and lathe control cabinet includes the positive panel, the positive panel of lathe control cabinet inlays the dress and is fixed with control panel, and the positive panel of lathe control cabinet is fixed with the fixed block, the fixed block is located one side of control panel, and the top of fixed block is equipped with the open slot, and the inboard fixed driving motor that is located the open slot of fixed block, driving motor's output shaft is fixed with the connecting rod, and control panel is located the inboard of dust cover. .

The numerical control lathe convenient to process can prevent dust and protect the control panel, so that the control panel can be kept clean for a long time, an operator can program the numerical control lathe conveniently, and the numerical control lathe is convenient to process, but the cutter mounting seat is simple in structure, only one cutter can be mounted, and when the numerical control lathe is used, the cutter needs to be frequently dismounted and replaced, so that the numerical control lathe is inconvenient to use.

Disclosure of Invention

The invention aims to provide a numerical control lathe which has the advantages that tools with various specifications can be installed, the tools are convenient to replace during use, the changing of the tools is quick and accurate, and the use efficiency is high.

The technical aim of the invention is realized by the following technical scheme:

a numerical control lathe comprises a machine body, a workbench arranged in the machine body, a clamping piece used for clamping a workpiece, and a numerical control lathe body which is internally provided with a numerical control lathe body

The mounting disc is rotationally connected to the workbench, and a plurality of equally-spaced cutter clamps are arranged around the circle center at the outer circle position of the mounting disc and are used for clamping cutters of different types on the mounting disc;

the driving mechanism is arranged in the workbench and used for controlling the rotation of the mounting disc so as to replace the cutter;

The positioning rotating piece is arranged between the driving mechanism and the mounting disc and used for linking the mounting disc to rotate and limiting the angle of each rotation of the mounting disc, and comprises a driving disc linked with the driving mechanism and a driven part arranged on the mounting disc.

The driving mechanism comprises a motor reducer, and an output shaft of the motor reducer is fixed with the center of the driving disc.

Through adopting above-mentioned technical scheme, when needs change the cutter, operating personnel can start actuating mechanism, autumn and winter motor reduction gear promptly, drive the rotation of location rotating member to the linkage mounting disc rotates. Due to the arrangement of the positioning rotating piece, each rotation period of the driving mechanism can only drive the mounting plate to rotate at a certain angle.

Because set up a plurality of cutter on the mounting disc, just can drive location rotating member and mounting disc rotation certain angle when actuating mechanism is rotatory a week, accomplish the change to the cutter, so operating personnel can change the cutter comparatively conveniently in the course of working, and become the cutter comparatively swiftly accurate, machining efficiency is high.

The driving disc is provided with a rotary groove, one side of the driving disc is provided with an arc-shaped bulge, two sides of the arc-shaped bulge are obliquely provided with communication grooves which are communicated with the outside and the rotary groove towards the rotary groove, and the two communication grooves are symmetrically arranged;

The driven part comprises a rotating shaft fixed at the position of the mounting disc center, a rotating claw is arranged on the rotating shaft corresponding to the rotating groove, one side of the rotating claw is positioned in the rotating groove and is abutted against the inner side wall of the rotating groove, and the other side of the rotating claw is abutted against the outer side wall of the driving disc;

the rotary claw comprises two mutually perpendicular claw arms, two ends of each claw arm are respectively and rotatably connected with a rotary rod, and the diameter of each rotary rod is the same as the width of the communication groove;

Through adopting above-mentioned technical scheme, initiative dish rotates under actuating mechanism's effect, and the rotary rod is along rotatory inslot wall activity in rotatory inslot, and when rotatory to the back of certain angle, the rotary rod is movable under the bellied effect of arc, and the rotation axis is whole rotatory 90 degrees to drive the rotatory 90 degrees of ampere carousel, accomplish the change of cutter, so change more accurately.

The clamping piece comprises a three-jaw chuck and a push rod for positioning the workpiece.

Through adopting above-mentioned technical scheme, three-jaw chuck can comparatively firmly centre gripping cylindrical work piece, and the ejector pin can withstand the work piece, and rocking when reducing the work piece rotation improves the accuracy of whole processing.

In summary, the invention has the following beneficial effects:

The driving mechanism rotates for a circle, the positioning rotating piece and the mounting plate can be driven to rotate for a certain angle, and the cutter is replaced, so that an operator can replace the cutter conveniently in the machining process, and the cutter changing is rapid and accurate, and the machining efficiency is high.

Drawings

The invention is further described below with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of embodiment 1;

FIG. 2 is a schematic view for showing a positioning rotating member in embodiment 1;

FIG. 3 is a schematic view of the structure of the positioning rotary member in embodiment 1;

In the figure, 1, a machine body, 11, a workbench, 12, a clamping piece, 121, a three-jaw chuck, 122, a push rod, 2, a mounting disc, 21, a rotating groove, 22, an arc-shaped bulge, 23, a communicating groove, 24, a driving disc, 3, a positioning rotating piece, 35, a rotating shaft, 36, a rotating jaw, 361, a jaw arm, 362, a rotating rod, 4, a driving mechanism, 41, a motor reducer and 5, a cutter.

Detailed Description

The following describes the embodiments of the present invention further with reference to the drawings.

The technical scheme adopted by the invention is as follows:

Embodiment 1, a numerically controlled lathe, as shown in fig. 1, includes a machine body 1 having a rectangular shape, an inner cavity is formed in the machine body 1, a workbench 11 is disposed in the middle of the inner cavity, clamping members 12 are disposed on the left and right sides of the workbench 11, and the clamping members 12 include a three-jaw chuck 121 disposed on the left side of the workbench 11 and a push rod 122 disposed on the right side of the workbench 11. The three-jaw chuck 121 is capable of holding a workpiece, then being held by the lift pins 122, and finally being processed on the table 11.

As shown in fig. 1,2 and 3, a mounting plate 2 is arranged on one side of the top surface of the workbench 11, a plurality of cutter clamps are arranged on the mounting plate 2, the cutter clamps are arranged at the outer circle position of the mounting plate 2 around the circle center of the mounting plate 2, the cutters 5 for processing are fixed on the cutter clamps, and the cutters 5 can be replaced by rotating the mounting plate 2 so as to adapt to different processing requirements. The workbench 11 is internally provided with a driving mechanism 4 for driving the mounting plate 2 to rotate, and the workbench 11 is internally provided with a positioning rotating piece 3 which is arranged between the driving mechanism 4 and the mounting plate 2 and is used for linking the rotation of the mounting plate 2 and limiting the angle of each rotation of the mounting plate 2.

As shown in fig. 2 and 3, the positioning rotating member 3 includes a driving disk 24 that is linked with the driving mechanism 4 and a driven portion that is provided on the mounting disk 2, the driving mechanism 4 includes a motor reducer 41, and an output shaft of the motor reducer 41 is fixed to a center of the driving disk 24 and is capable of driving the driving disk 24 to rotate.

The driving disc 24 is provided with a rotary groove 21, one side of the driving disc 24 is provided with an arc-shaped bulge 22, two sides of the arc-shaped bulge 22 are obliquely provided with a communication groove 23 for communicating the outside with the rotary groove 21 towards the rotary groove 21, and the two communication grooves 23 are symmetrically arranged.

The driven part comprises a rotating shaft 35 fixed at the center of the installation plate 2, a rotating claw 36 is arranged on the rotating shaft 35 corresponding to the rotating groove 21, one side of the rotating claw 36 is positioned in the rotating groove 21 and is abutted against the inner side wall of the rotating groove 21, the other side of the rotating claw 36 is positioned on the outer side wall of the driving plate 24, the rotating claw 36 comprises two claw arms 361 which are perpendicular to each other, two ends of each claw arm 361 are respectively and rotatably connected with a rotating rod 362, and the diameter of each rotating rod 362 is the same as the width of the communicating groove 23.

So initiative dish 24 is rotatory under actuating mechanism 4 effect, and rotary rod 362 is along the activity of rotary groove 21 inner wall in rotary groove 21, and when rotatory back to certain angle, rotary rod 362 is movable under the effect of arc protruding 22, and rotation axis 35 whole rotation 90 degrees to drive the rotatory 90 degrees of carousel of setting, accomplish the change of cutter 5, the tool changing is more accurate.

The foregoing is a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent variation and variation of the above embodiment according to the technical substance of the present invention falls within the scope of the technical solution of the present invention.

Claims

1. A CNC lathe, comprising a machine body (1), a workbench (11) arranged in the machine body (1) and a clamping member (12) for clamping a workpiece, characterized in that: a mounting plate (2) is also arranged in the machine body (1), which is rotatably connected to the workbench (11), and a plurality of tool clamps are arranged equidistantly around the center of the outer circle of the mounting plate (2), which are used to clamp tools (5) of different types on the mounting plate (2); a driving mechanism (4) is arranged in the workbench (11) and is used to control the mounting plate (2). The mounting plate (2) rotates to replace the tool (5); a positioning rotating member (3) is arranged between the driving mechanism (4) and the mounting plate (2) and is used to link the mounting plate (2) to rotate and limit the angle of each rotation of the mounting plate (2); the positioning rotating member (3) comprises an active plate (24) linked to the driving mechanism (4) and a driven part arranged on the mounting plate (2); the driving mechanism (4) comprises a motor reducer (41), and the output shaft of the motor reducer (41) is fixed to the center of the active plate (24);

The active disk (24) is provided with a rotation groove (21), one side of the active disk (24) is provided with an arc-shaped protrusion (22), and both sides of the arc-shaped protrusion (22) are inclined toward the rotation groove (21) and provided with connecting grooves (23) for connecting the outside world with the rotation groove (21), and the two connecting grooves (23) are symmetrically arranged;

The driven part comprises a rotating shaft (35) fixed at the center position of the mounting disk (2); a rotating claw (36) is provided on the rotating shaft (35) corresponding to the rotating groove (21); one side of the rotating claw (36) is located in the rotating groove (21) and abuts against the inner wall of the rotating groove (21); and the other side of the rotating claw (36) abuts against the outer wall of the driving disk (24);

The rotating claw (36) comprises two claw arms (361) perpendicular to each other, and both ends of the claw arms (361) are rotatably connected to rotating rods (362);

The active disk (24) rotates under the action of the driving mechanism (4), and the rotating rod (362) moves in the rotating groove (21) along the inner wall of the rotating groove (21). When the rotating rod (362) rotates to a certain angle, the rotating rod (362) moves under the action of the arc-shaped protrusion (22), and the rotating shaft (35) rotates 90 degrees as a whole, thereby driving the rotating disk to rotate 90 degrees, and completing the replacement of the tool (5).

2. A CNC lathe according to claim 1, characterized in that the clamping member (12) comprises a three-jaw chuck (121) and a push rod (122) for positioning the workpiece.