CN115041971B

CN115041971B - Turning and milling combined machining numerical control machine tool

Info

Publication number: CN115041971B
Application number: CN202210724085.2A
Authority: CN
Inventors: 傅奇帆
Original assignee: Zhejiang Fushi Machinery Technology Co ltd
Current assignee: Zhejiang Fushi Machinery Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2023-06-02
Anticipated expiration: 2042-06-24
Also published as: CN115041971A

Abstract

The invention provides a turning and milling combined machining numerical control machine tool in the technical field of machine tool machining, which comprises: a working bed; a cutter part arranged above the working bed; and a moving part for driving the working bed to reciprocate back and forth along the lower part of the cutter part; characterized by further comprising: the radial locking parts are pressed and locked on the surface of the workpiece along the circumferential direction, and a plurality of groups of radial locking parts are symmetrically arranged on two sides of the working bed. The invention is particularly suitable for the accurate searching, positioning and drilling of the center of the end part, locking of the center hole and the like in the turning and milling process of the long rod-shaped workpiece.

Description

Turning and milling combined machining numerical control machine tool

Technical Field

The invention relates to the technical field of machine tool machining, in particular to a turning and milling combined machining numerical control machine tool.

Background

Turning, milling and planing are four basic machining modes of machining, are important parts for machining parts, and mainly finish machining parts, so that the turning, milling and planing can be used for assembling machines and equipment; the machining method comprises turning, milling, planing and grinding, and the machining modes required by different parts are different, for example, the rotation center points of two ends of a long rod-shaped workpiece need to be locked before turning and milling.

Chinese patent CN208866760U discloses a numerical control machine tool, including the lathe bed, lathe bed top right side is equipped with the lathe guide rail, the lathe guide rail is including the first font layer board guide rail that sets gradually, first inverted V font tailstock guide rail, second font tailstock guide rail and second inverted V font layer board guide rail, first font layer board guide rail is located the lathe bed front portion outside, second inverted V font layer board guide rail is located the lathe bed body rear portion outside, the lathe large pallet straddles between first font layer board guide rail and second inverted V font layer board guide rail, be equipped with the lathe small pallet on the lathe large pallet, lathe small pallet rear side is equipped with the lathe processing unit, the lathe hydraulic tailstock straddles between first inverted V font tailstock guide rail and second font tailstock guide rail, lathe bed rear side and be located second inverted V font layer board guide rail below is equipped with the Z to transmission lead screw.

However, in this technical scheme, although can realize the turning and milling integrated processing to the work piece, when carrying out the running and milling processing to the work piece especially for long shaft-like work piece, because untreated work piece both ends are irregular, be inconvenient for quick and accurate confirmation work piece tip center, and then make the rotation central axis of work piece take place the deviation to when making the rotation processing, unable reasonable removal work piece is excessive the surplus material.

Disclosure of Invention

The invention aims at overcoming the defects of the prior art, and provides a turning and milling composite machining numerical control machine tool, which reaches two sides of a workpiece through a locking component and is abutted on the surface of the workpiece in the circumferential direction through a probe, a second pushing component enables a probe disc to reach the inner side of the probe locked in position, the center of the end part of the workpiece is continuously adjusted to correspond to the center of the probe disc, an adaptive seat is locked through a retaining component to stabilize the position of the locking component, a first pushing component drives a drilling component to punch the center of the workpiece, a switching component switches a locking hole component to reach the end part of the workpiece to lock the drilling hole, a moving part drives the workpiece to swing back and forth, and the workpiece is rotationally machined through a cutter part to realize quick searching of the center of the workpiece, adjustment of the corresponding position of the drilling hole, drilling hole is performed through the center of a stable rod, and back and forth switching between the drilling hole and the locking is realized.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a turning and milling compound machining numerical control machine tool, comprising: a working bed; a cutter part arranged above the working bed; and a moving part for driving the working bed to reciprocate back and forth along the lower part of the cutter part; characterized by further comprising: the radial locking parts are pressed and locked on the surface of the workpiece along the circumferential direction, and a plurality of groups of radial locking parts are symmetrically arranged on two sides of the working bed;

and a centering portion which confirms the center of the end portion of the workpiece in the locked state of the radial locking portion and adjusts to a predetermined position to drill, the centering portion locking the drilling of the workpiece being disposed on one side of the radial locking portion.

Further, the radial lock portion includes: locking components which are respectively locked at two ends of the workpiece along the axial direction; the traction assembly enables the locking assembly to move back and forth towards two sides of the workpiece, and the power end of the traction assembly is arranged on the locking assembly; and the position locking assembly is used for locking the position of the locking assembly after the centering part is used for centering the end part of the workpiece, and is arranged on the working bed.

Further, the locking assembly includes: a locking seat; the probes are arranged along the circumferential direction of the workpiece, and a plurality of groups of probes pass through the locking seat in a sliding manner and are elastically installed on the locking seat; and the locking component is used for locking the position of the probe after the surface of the workpiece is positioned, and is arranged on one side of the locking seat.

Further, the probe includes: an elastic abutting piece inserted into the locking seat in a penetrating way; and the conducting piece is arranged on one side of the locking seat and connected with the outer side vertex of the abutting piece.

Further, the position locking assembly includes: a mounting base; the adaptation seat is used for adapting to the position of the locking assembly to be arranged on the installation seat and is elastically arranged on the installation seat along the circumferential direction; a holding component which locks the adapting seat after position adjustment on one side of the mounting seat and is arranged on one side of the adapting seat; and a restoring assembly, the restoring assembly locking the adaptation seat in a free state to an initial position is mounted on the mounting seat.

Further, the centering portion includes: a switching seat; the core drilling assembly is used for searching, adjusting and drilling the center of the end part of the workpiece and is arranged on one side of the switching seat; the lock hole assembly is used for locking the workpiece drilling hole and is arranged on the other side of the switching seat; and the switching component enables the core detection drilling component and the lock hole component to be switched back and forth at one side of the radial locking part, and the switching component is arranged at two sides of the working bed.

Further, the core drilling assembly comprises: the center detecting disc is provided with a moving space in the middle; the drilling piece is arranged concentrically with the core plate and is slidably mounted in the moving space; the first pushing piece is arranged at one end of the moving space, and the power end of the first pushing piece is connected with the drilling piece; and the second pushing piece is arranged on the switching seat, and the power end of the second pushing piece is connected with the core detection disc.

Further, the core plate includes: a fixed plate; and the detection disc is slidably and elastically sleeved on the fixed disc.

Further, the probe disc is of a frustum-shaped structure with the radial dimension increasing along the direction opposite to the direction of moving towards the radial locking part.

Further, the locking hole assembly includes: locking the terminal; the third pushing piece is arranged on the switching seat; the locking terminal is elastically and slidably arranged on the power end of the third pushing piece.

The invention has the beneficial effects that:

(1) According to the invention, through the mutual matching between the radial locking part and the centering part, after the end part of the workpiece is positioned by the radial locking part, the center of the workpiece is confirmed by the centering part and is adjusted to the corresponding positions of punching and end locking, so that the rotation centers of the two ends of the workpiece are quickly confirmed during the rotation processing of the workpiece;

(2) According to the invention, through the mutual matching between the locking assembly and the core plate, the core plate gradually moving towards the locking assembly moves and contacts with the probe, and meanwhile, the center of the workpiece is quickly adjusted to correspond to the center of the core plate, so that the center of the workpiece is quickly locked;

(3) According to the invention, through the mutual matching between the core detection disc and the drilling part, when the center is locked to the corresponding state of the center of the core detection disc, the drilling assembly drills the surface of the end of the workpiece along the moving path of the moving space, so that the accuracy of the corresponding drilling position of the rotation center of the workpiece is ensured;

(4) According to the invention, through the mutual coordination among the locking seat, the probe and the locking assembly, the probe which is adaptively positioned on the surface of the workpiece is locked through the locking assembly after the position of the circumference of the workpiece is measured on the locking seat, so that the accuracy of the detection position of the probe is ensured;

(5) According to the invention, through the matching design between the abutting piece and the conducting piece, the abutting position of the abutting piece on the workpiece is fed back to the conducting piece, so that the center position of the end part of the workpiece can be accurately confirmed through the core plate under the locking state of the position of the conducting piece;

(6) According to the invention, through the mutual matching between the adaptive seat and the retaining assembly, the position of the adaptive seat connected with the locking assembly after the center is locked by the retaining assembly, so that the stability of drilling action is improved;

(7) According to the invention, through the mutual matching between the adapting seat and the restoring assembly, the adapting seat connected with the locking assembly after the workpiece is removed is adaptively matched with the restoring assembly to adjust the position, so that the locking assembly after the workpiece is removed can be locked on the locking seat in an initial horizontal state;

(8) According to the invention, through the mutual coordination between the core detection drilling assembly and the lock hole assembly, the alternate operation of inquiring the drilling center of the workpiece and locking the drilling center can be realized, so that the high efficiency of clamping the workpiece is realized;

in conclusion, the invention is particularly suitable for precisely searching, positioning and drilling the center of the end part, locking the center hole and the like in the turning and milling process of the long rod-shaped workpiece.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure of the work table of the present invention;

FIG. 3 is a structural layout of the radial lock and centering of the present invention;

FIG. 4 is a schematic view of the radial lock of the present invention;

FIG. 5 is a schematic view of the structure of the locking assembly of the present invention;

FIG. 6 is a schematic diagram of another lateral structure of FIG. 4 in accordance with the present invention;

FIG. 7 is an enlarged view of FIG. 6A in accordance with the present invention;

FIG. 8 is a schematic view of a position locking assembly of the present invention;

FIG. 9 is a schematic view of another side structure of FIG. 8 in accordance with the present invention;

FIG. 10 is a schematic view of the centering portion of the present invention;

FIG. 11 is a schematic view of the structure of the probe disc of the present invention;

FIG. 12 is a schematic view of another embodiment of the locking hole assembly of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1

As shown in fig. 1 and 2, a turning and milling composite machining numerical control machine tool includes: a working bed 1; a cutter part 2 arranged above the working bed 1; and a moving part 3 for driving the work bed 1 to reciprocate back and forth along the lower part of the cutter part 2; further comprises: the radial locking parts 4 are pressed and locked on the surface of the workpiece along the circumferential direction, and a plurality of groups of radial locking parts 4 are symmetrically arranged on two sides of the working bed 1; a centering portion 5 for checking the center of the end of the work piece in the locked state of the radial lock portion 4, and adjusting the center to a predetermined position for drilling and locking the drilling of the work piece, wherein the centering portion 5 is arranged at one side of the radial lock portion 4.

Through the above, it is not difficult to find that in the process of turning and milling a long rod-shaped workpiece, by loading the two ends of the workpiece onto the radial locking portions 4, the workpiece is adaptively abutted against the circumferential surface of one side of the end portion of the workpiece through the radial locking portions 4, the positioning portions 5 move towards one side of the radial locking portions 4 after the radial locking portions 4 lock the workpiece, and the radial locking portions 4 and the end portion of the workpiece locked by the radial locking portions 4 are adjusted according to the locking conditions of the radial locking portions 4 around the circumference of the workpiece, so that the center of the end portion of the workpiece is searched out by the centering portions 5 and adjusted to correspond to the centering portions 5, and in a corresponding state, the center of the end portion of the workpiece is correspondingly drilled, and meanwhile, after the drilling is completed, the workpiece is locked again, so that the turning and milling combined processing is completed under the power driving of the moving portions 3, and thus the technical problem that the centers of the two ends of the long rod-shaped workpiece cannot be quickly and accurately confirmed is solved.

In this embodiment, the cutter portion 2 and the moving portion 3 are both of the prior art, and are not described here in detail.

As shown in fig. 3, the radial lock portion 4 includes: locking components 41 which are locked at both ends of the workpiece in the axial direction, respectively; a traction assembly 42, wherein a power end of the traction assembly 42, which enables the locking assembly 41 to move back and forth towards two sides of a workpiece, is mounted on the locking assembly 41; and a position locking unit 43, wherein the position locking unit 43 for locking the position of the locking unit 41 after the centering of the workpiece end by the centering unit 5 is mounted on the work table 1.

In this embodiment, during the process of locking the end of the workpiece, the radial locking portion 4 pulls the locking assembly 41 to reach both sides of the end of the workpiece by the pulling assembly 42 preferably mounted on the position locking assembly 43, so that the locking assembly 41 is self-adaptively abutted against the side wall of the workpiece, and when the centering portion 5 correspondingly adjusts the center of the end of the workpiece, the locking assembly 41 drives the position locking assembly 43 to adaptively adjust, and the position of the locking assembly 41 is limited during the adjustment, so that the punching operation is stably completed at the limited position.

Notably, the traction assembly 42 is preferably a cylinder.

As shown in fig. 5, the locking assembly 41 includes: a locking seat 411; the probes 412 are arranged along the circumferential direction of the workpiece, and a plurality of groups of the probes 412 pass through the locking seat 411 in a sliding manner and are elastically installed on the locking seat 411; and a locking assembly 413, wherein the locking assembly 413 for locking the position of the probe 412 after positioning the surface of the workpiece is arranged at one side of the locking seat 411.

In this embodiment, when the surface facing the workpiece is abutted, the locking assembly 41 adapts to the circumferential shape of the end of the workpiece through the probe 412 on the locking seat 411 under the elastic action, and after the shape is determined, the locking assembly 413 acts to lock the relative position of the probe 412 on the locking seat 411.

It should be noted that, as shown in fig. 5 and 7, the locking assembly 413 includes a locking seat 4131 disposed on one side of the locking seat 411, a locking power member 4132 mounted on the locking seat 411 and having a power end connected to the locking seat 4131, a sliding groove 4134 formed on the locking seat 411, and a sliding block 4133 slidably disposed in the sliding groove 4134 and connected to the probe rod 412.

In this embodiment, after the position of the probe 412 is determined, the lock base 4131 is driven by the locking power member 4132, preferably an air cylinder, to move toward the slide 4133 and press the slide 4133, thereby achieving the position locking of the probe 412.

As shown in fig. 5, the probe 412 includes: an elastic abutting member 4121 inserted through the locking seat 411; and a conductive member 4122 disposed at one side of the locking seat 411 and connected to an outer vertex of the abutting member 4121.

In this embodiment, when the circumferential shape of the workpiece is locked, the abutting member 4121 abuts against the surface of the workpiece under the guiding action of the locking seat 411, and the conductive member 4122 connected to the abutting member 4121 also follows the corresponding position adjustment, so that the centering portion 5 can adaptively adjust the workpiece center and the centering portion 5 through the transmission with the conductive member 4122.

It should be added that, in order to ensure that the abutting member 4121 always generates an abutting force on the surface of the workpiece, the abutting member 4121 is connected to the locking seat 411 by a first spring 4123.

As shown in fig. 8 and 9, the position locking assembly 43 includes: a mounting seat 431; an adapting seat 432, configured to adapt to the position of the locking assembly 41 to the corresponding position adjustment of the mounting seat 431, where the adapting seat 432 is elastically mounted on the mounting seat 431 along the circumferential direction; a holding member 433, wherein the holding member 433 that locks the adjusted accommodation seat 432 to the mount 431 is mounted to one side of the accommodation seat 432; and a restoring assembly 434, the restoring assembly 434 locking the adaptation seat 432 in a free state to an initial position is mounted on the mounting seat 431.

In this embodiment, in the process of adjusting the position of the locking assembly 41, the adaptive seat 432 is driven to adjust the position on the mounting seat 431 correspondingly, and after the position adjustment, the adaptive seat 432 is locked on the mounting seat 431 by the holding assembly 433, so that stability is ensured when the center of the workpiece is determined and the drilling is finished, after the locking assembly 41 is removed, the adaptive seat 432 capable of elastically adjusting the position can be locked to the initial position by the restoring assembly 434, thereby ensuring regularity of the locking assembly 41 and preventing the adaptive seat 432 from shaking.

It should be added that, in order to ensure that the adapting seat 432 always returns to the center of the mounting seat 431 after the adjustment, the adapting seat 432 is connected to the mounting seat 431 by the second spring 4321.

It is noted that the retaining component 433 includes a contact plate 4331 disposed at one side of the accommodating seat 432, and a retaining driving member 4332 disposed on the mounting seat 431 and having a power end passing through the mounting seat 431 and connected to the contact plate 4331.

In this embodiment, the interference plate 4331 is pressed against the adapter seat 432 by the action of the holding driver 4332, preferably an air cylinder, so that the relative fixing of the position of the adapter seat 432 between the interference plate 4331 and the mounting seat 431 is achieved.

It is further noted that the restoring assembly 434 includes a locking space 4341 formed on one side of the adapting seat 432 and having a frustum shape, a locking groove 4342 disposed along a circumferential direction of the locking space 4341, a locking head 4343 disposed on one side of the locking space 4341, a locking buckle 4335 disposed along a circumferential direction of the locking head 4343 and corresponding to the locking groove 4342, and a restoring power member 4344 disposed on the mounting seat 431.

In the present embodiment, guide arcs guiding the locking head 4343 are disposed on both sides of the locking groove 4342, and the locking head 4343 is driven to lock into the locking space 4341 by the restoring power member 4344, which is preferably an air cylinder, so that the locking head 4343 slides into the locking groove 4342 adaptively, and the adaptive seat 432 is driven to adjust the restoring position adaptively.

Example two

As shown in fig. 10, wherein the same or corresponding parts as those in the first embodiment are denoted by the corresponding reference numerals as in the first embodiment, only the points of distinction from the first embodiment will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that:

the centering portion 5 includes: a switching seat 51; the core drilling assembly 52 is used for searching, adjusting and drilling the center of the end part of the workpiece, and the core drilling assembly 52 is arranged on one side of the switching seat 51; a lock hole assembly 53, wherein the lock hole assembly 53 for locking the workpiece drilling is installed at the other side of the switching seat 51; and a switching component 54, wherein the switching component 54 which enables the core drilling component 52 and the lockhole component 53 to be reciprocally switched back and forth at one side of the radial locking part 4 is arranged at two sides of the working bed 1.

In the present embodiment, the centering portion 5 performs the searching, adjusting and drilling process for the center of the workpiece by the cooperation with the radial locking portion 4 by using the core drilling assembly 52 in the process of confirming the center of the workpiece and performing the drilling process, and after the process is completed, the switching seat 51 is moved, the lock hole assembly 53 is adjusted to the workpiece side, the workpiece is drilled by the lock hole assembly 53, and then the rotary processing is performed for the surface of the workpiece by the cooperation between the moving portion 3 and the tool portion 2.

As shown in fig. 10, the core drilling assembly 52 includes: a core plate 521, wherein a moving space 5213 is provided in the middle of the core plate 521; a drilling member 522 slidably installed in the movement space 5213 with the drilling member 522 arranged concentrically with the core plate 521; a first pushing member 523 installed at one end of the moving space 5213 and having a power end connected to the drilling member 522; and a second pushing member 524 mounted on the switching seat 51 and having a power end connected to the core plate 521.

In this embodiment, the second pushing member 524, which is preferably an air cylinder, drives the core plate 521 to move towards the conducting member 4122 on the radial locking portion 4, and as the core plate 521 gradually moves, the locking assembly 41 carries the workpiece end portion to adjust adaptively until the workpiece center is adjusted to be consistent with the core plate 521, and then, in a state that the elastic plate 521 is consistent with the workpiece center, the first pushing member 523, which is preferably an air cylinder, drives the drilling member 522 to move towards the workpiece end portion center along the moving space 5213, so as to perform punching processing on the workpiece end portion center, and after the punching is completed, both the first pushing member 524 and the second pushing member 524 return to the original positions, so that the switching assembly 54 switches the lock hole assembly 53 to one side of the workpiece end portion.

As shown in fig. 11, the core plate 521 includes: a fixed disk 5211; and a probe disc 5212, wherein the probe disc 5212 is slidably and elastically sleeved on the fixed disc 5211.

In this embodiment, as the fixed disk 5211 is moved between the probe disk 5212 and the conductive member 4122, the conductive member 4122 will move along the surface of the probe disk 5212 until the probe disk 5212 is locked in position within the conductive member 4122.

Notably, the probe plate 5212 is connected to the fixed plate 5211 by a fourth spring 5213.

In this embodiment, when the fixed disk 5211 continues to move after the probe disk 5212 is locked in position within the conductive member 4122, the probe disk 5212 moves in the guiding direction of the fixed disk 5211 and the fourth spring 5213 is compressed.

More specifically, the probe plate 5212 has a truncated cone-like structure with a radial dimension that increases in a direction opposite to the radial direction of the movement of the radial lock portion 4.

In this embodiment, by the structural design of the frustum-shaped probe 5212, when the probe 5212 is inserted between the conductive members 4122, the probe 5212 can gradually contact the conductive members 4122 with increasing radial dimension of the probe 5212 until the probe 5212 is locked between the conductive members 4122, and the locking assembly 41 can not be adjusted.

As shown in fig. 10 and 12, the locking hole assembly 53 includes: a locking terminal 531; and a third pusher 532, the third pusher 532 being mounted on the switching seat 51; the locking terminal 531 is elastically and slidably mounted on the power end of the third pusher 532.

In the present embodiment, when the drilling of the end portion of the workpiece is completed, the switching component 54 switches the lock hole component 53 to the side of the drilling of the workpiece, and the third pushing component 532 of the preferred cylinder at both ends of the workpiece drives the locking terminal 531 to move and lock into the drilling of the end portion of the workpiece.

In order to better lock the locking terminal 531 to the drilled hole, one end of the locking terminal 531 is slidably inserted on the power end of the third pusher 532, and the locking terminal 531 is connected to the power end of the third pusher 532 through a fifth spring 533.

It should be noted that, in two cases, the locking terminals 531 disposed at two sides of the working table 1, one is used to provide rotation power for the workpiece, and the other is used to lock the other end of the workpiece and rotate along with the other, so that the locking terminal 531 of the former includes a first locking hole head and a driving motor 534 slidably disposed on the switching seat 51, the driving motor 534 is preferably a servo motor, and the locking terminal 531 of the latter includes a second locking hole head and a pushing sleeve mounted on the power end of the third pushing member 532 and connected to the second locking hole head plug bush.

Working procedure

Step one, locking the workpiece, wherein the traction assembly 42 drives the locking assembly 41 to move towards two end sides of the workpiece, the end parts of the probe 412 are adaptively and circumferentially abutted on the surface of the workpiece, and after the complete abutting is completed, the locking assembly 413 locks the position of the probe 412 in an abutting state;

step two, center confirmation and adjustment, the second pushing member 524 drives the probe plate 521 to move towards one side of the locking assembly 41 in advance, the probe plate 5212 moving along the fixed direction gradually contacts the probe pieces 412, and each probe piece 412 locked in position moves along the surface of the probe plate 5212, and the center of the end of the workpiece is adjusted to correspond to the center of the drilling hole of the drilling piece 522;

step three, the locking assembly 41 is fixed, and after the adapting seat 432 carries out corresponding position adjustment on the locking seat 431 along with the locking assembly 41 for clamping the position adjustment of the workpiece, the holding assembly 432 presses the adapting seat 432, so that the adapting seat 432 is locked on the locking seat 431;

fourth, end punching, the first pushing member 532 drives the drilling member 522 to move towards the center of the end of the workpiece and perform punching;

step five, station switching, namely switching the lock hole assembly 53 to one side of the end part of the workpiece by the switching assembly 54 after the punching is completed, and driving the locking terminal 531 to move and lock the locking terminal 531 into the end part of the workpiece by the third pushing piece 532;

and step six, machining, wherein the cutter part 2 moves to reach the surface of the workpiece, and the moving part 3 drives the workpiece to move along the axial direction of the workpiece for machining.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. A turning and milling compound machining numerical control machine tool, comprising:

a working bed;

a cutter part arranged above the working bed; and

a moving part for driving the working bed to reciprocate back and forth along the lower part of the cutter part;

characterized by further comprising:

the radial locking parts are pressed and locked on the surface of the workpiece along the circumferential direction, and a plurality of groups of radial locking parts are symmetrically arranged on two sides of the working bed;

a centering portion which confirms the center of the end portion of the workpiece in a locked state of the radial locking portion and adjusts to a predetermined position to drill, the centering portion locking the drilling of the workpiece being disposed on one side of the radial locking portion;

the radial lock includes:

locking components which are respectively locked at two ends of the workpiece along the axial direction;

the traction assembly enables the locking assembly to move back and forth towards two sides of the workpiece, and the power end of the traction assembly is arranged on the locking assembly; and

the position locking assembly is used for locking the position of the locking assembly after the centering part is used for centering the end part of the workpiece, and is arranged on the working bed;

the locking assembly includes:

a locking seat;

the probes are arranged along the circumferential direction of the workpiece, and a plurality of groups of probes pass through the locking seat in a sliding manner and are elastically installed on the locking seat; and

the locking component is used for locking the position of the probe after the surface of the workpiece is positioned, and is arranged on one side of the locking seat;

the probe includes:

an elastic abutting piece inserted into the locking seat in a penetrating way;

the conducting piece is arranged on one side of the locking seat and connected with the outer side vertex of the abutting piece;

the position locking assembly includes:

a mounting base;

the adaptation seat is used for adapting to the position of the locking assembly to be arranged on the installation seat and is elastically arranged on the installation seat along the circumferential direction;

a holding component which locks the adapting seat after position adjustment on one side of the mounting seat and is arranged on one side of the adapting seat; and

a restoring assembly, which locks the adapting seat in a free state to an initial position, and is mounted on the mounting seat;

the centering portion includes:

a switching seat;

the core drilling assembly is used for searching, adjusting and drilling the center of the end part of the workpiece and is arranged on one side of the switching seat;

the lock hole assembly is used for locking the workpiece drilling hole and is arranged on the other side of the switching seat; and

the switching component enables the core detection drilling component and the lock hole component to be switched back and forth at one side of the radial locking part, and the switching component is arranged at two sides of the working bed;

the core drilling assembly comprises:

the center detecting disc is provided with a moving space in the middle;

the drilling piece is arranged concentrically with the core plate and is slidably mounted in the moving space;

the first pushing piece is arranged at one end of the moving space, and the power end of the first pushing piece is connected with the drilling piece; and

the second pushing piece is arranged on the switching seat, and the power end of the second pushing piece is connected with the core detection disc;

the core plate comprises:

a fixed plate; and

the detection disc is slidably and elastically sleeved on the fixed disc;

the probe disc is of a frustum-shaped structure with the radial dimension increasing along the direction opposite to the direction of moving towards the radial locking part.

2. The turning and milling composite machining numerical control machine tool according to claim 1, wherein,

the locking hole assembly includes:

locking the terminal; and

the third pushing piece is arranged on the switching seat;

the locking terminal is elastically and slidably arranged on the power end of the third pushing piece.