阅读说明：本技术 一种便于切屑排出的内孔车削装置 (Inner hole turning device convenient for chip discharge ) 是由 张顺鹤 于 2020-12-02 设计创作，主要内容包括：本发明公开的一种便于切屑排出的内孔车削装置,包括工作箱体,所述工作箱体内设有工作腔,所述工作腔左侧内壁上固定设有车削电机,本发明利用通过车削刀的竖直方向进给控制对工件内孔的车削,并且通过排屑装置对内孔内的切屑带出内孔,然后通过剪断装置将排出的切屑剪断成小段,从而将切屑收集起来,本装置减少了切屑在内孔的堆积,有效避免了切屑堵塞内孔对车削质量以及车削刀寿命的影响,同时利于内孔车削过程中内部的热量散出,并且通过工件与车削刀的联合进给,能够在工件内孔内进行弧面车削,其工作行程更容易控制。(The invention discloses an inner hole turning device convenient for chip discharge, which comprises a working box body, wherein a working cavity is arranged in the working box body, and a turning motor is fixedly arranged on the inner wall of the left side of the working cavity.)

1. The utility model provides an hole turning device convenient to chip discharge, includes the working box, be equipped with the working chamber in the working box, the fixed turning motor that is equipped with on the inner wall of working chamber left side, the fixed plate that is equipped with on the inner wall of working chamber downside, turning motor right-hand member power connect be equipped with the fixed plate rotates the first power shaft of connecting, its characterized in that: a control device is arranged in the working cavity;

the control device comprises a hydraulic cylinder embedded in the inner wall of the left side of the working cavity, a hydraulic rod is arranged at the right end of the hydraulic cylinder in a power connection mode, a driven disc is fixedly arranged on the right end face of the hydraulic rod, a first rotating shaft is arranged in the driven disc in a rotating mode, a chuck is fixedly arranged on the right end face of the first rotating shaft, a turning piece is clamped on the right end face of the chuck, a first guide rod is fixedly arranged between the inner walls of the upper side and the lower side of the working cavity, and a driven box is arranged on the first guide rod in an up-and-down;

a turning device is arranged on the left side of the driven box and comprises a second guide rod fixedly arranged on the left end face of the driven box, a turning box is fixedly arranged on the left end face of the second guide rod, a turning cavity is arranged in the turning box, a turning cutter is arranged between the inner wall of the upper side of the turning cavity and the upper end face of the turning box in a sliding mode up and down, a first inclined plane block is fixedly arranged on the lower end face of the turning cutter, and a first spring is fixedly arranged between the upper end face of the first inclined plane block and the inner wall of the upper side of the turning cavity;

a chip removal device is arranged on the lower side of the control device and comprises two second rotating shafts which are vertically symmetrical and are rotatably arranged between the inner walls of the front side and the rear side of the working cavity, first straight gears are fixedly arranged on the second rotating shafts, a first toothed plate is arranged between the two first straight gears in a meshed connection mode, a first sliding cavity with a left opening is arranged in the first toothed plate, a first sliding rod is arranged in the first sliding cavity in a left-right sliding mode, a second spring is fixedly arranged between the right end face of the first sliding rod and the inner wall of the right side of the first sliding cavity, and a hook claw is fixedly arranged on the upper end face of the left end of the first sliding rod;

chip removal device downside is equipped with cutting device, cutting device includes that the horizontal slip sets up second pinion rack in the inner wall of working chamber right side, the fixed second bevel block that is equipped with on the second pinion rack left end face, the fixed first fixed pin that is equipped with on the inner wall of working chamber downside, it is equipped with first shear blade to rotate on the first fixed pin, it is equipped with to rotate on the first fixed pin to be located the second shear blade of first shear blade upside, second bevel block and right side the second shear blade first shear blade corresponds the side end face and contradicts, the right side the second shear blade with fixed third spring that is equipped with between the first shear blade.

2. An internal bore turning device for facilitating chip evacuation as claimed in claim 1 wherein: the control device is characterized by further comprising a second straight gear fixedly arranged on the first power shaft, a third straight gear meshed with the second straight gear is fixedly arranged on the first rotating shaft, a first threaded rod connected with the driven box through threads is arranged between the inner walls of the upper side and the lower side of the working cavity in a rotating mode, and an adjusting rotary table is fixedly arranged on the upper end face of the working box body and the upper end face of the working box body.

3. An internal bore turning device for facilitating chip evacuation as claimed in claim 1 wherein: turning device still includes that the horizontal slip sets up threading plate on the second guide arm, the fixed second slide bar that is equipped with on the threading plate left end face, second slide bar left end extends to the fixed third inclined plane piece that is equipped with on turning intracavity and the left end face, third inclined plane piece left end face with first inclined plane piece right-hand member face is contradicted, be equipped with the regulation chamber in the driven box, the fixed accommodate motor that is equipped with on the inner wall of regulation chamber right side, accommodate motor left end power connection is equipped with the second driving shaft, the second driving shaft left end extend to in the work chamber and with turning case right-hand member face rotates and connects, the threading plate with second driving shaft threaded connection.

4. An internal bore turning device for facilitating chip evacuation as claimed in claim 1 wherein: the chip removal device is still including rotating the setting and being in third axis of rotation on the inner wall of working chamber rear side, the fixed rolling disc that is equipped with on the terminal surface before the third axis of rotation, the fixed second fixed pin that is equipped with on the terminal surface before the rolling disc, it is equipped with the fourth axis of rotation to rotate on the inner wall of working chamber rear side, the fixed driven plate that is equipped with in the fourth axis of rotation, the spout that link up around being equipped with in the driven plate, the second fixed pin is in slide in the spout, the fixed first cambered surface pinion rack that is equipped with on the driven plate up end, first cambered surface pinion rack up end with terminal surface meshing under the first pinion rack, rotate between the inner wall of working chamber front and rear side with the fifth axis of rotation that first power shaft skewed tooth meshing is connected, the fifth axis of rotation with third axis of rotation belt is connected.

5. An internal bore turning device for facilitating chip evacuation as claimed in claim 1 wherein: the shearing device is still including rotating the setting and being in sixth axis of rotation between the side inner wall around the working chamber, the sixth axis of rotation go up fixed be equipped with the straight-teeth gear that terminal surface meshing is connected under the second toothed plate, the fixed second cambered surface pinion rack that is equipped with on the terminal surface under the driven plate, terminal surface under the second cambered surface pinion rack with the meshing of second toothed plate up end, working chamber right side inner wall with the right-hand member face of working box link up and is equipped with the smooth chamber of second, the smooth intracavity horizontal slip of second is equipped with the collecting box, be equipped with the ascending collection chamber of opening in the collecting box.

Technical Field

The invention relates to the field of turning of workpieces, in particular to an inner hole turning device convenient for chip discharge.

Background

Turning refers to cutting processing in which a workpiece rotates and a turning tool moves linearly or curvilinearly in a plane, and is generally performed on a lathe to process an inner cylindrical surface, an outer cylindrical surface, an end surface, a conical surface, a forming surface, a thread and the like of the workpiece.

In the turning process of the inner hole of the workpiece, due to the size limitation of the inner hole, the cutting chips generated in the turning process in the inner hole are difficult to discharge, so that the cutting chips are accumulated in the inner hole of the workpiece, along with the rotation of the workpiece, the accumulated cutting chips have certain damage to a processing surface and a turning tool, and the accumulation of the cutting chips is also not beneficial to heat dissipation in the turning process and influences the processing precision. The present invention addresses the above-mentioned problems.

Disclosure of Invention

The technical problem is as follows:

the cuttings are difficult to discharge in the turning process of the inner hole of the workpiece, and the cuttings are accumulated in the inner hole of the workpiece to damage a machining surface and a turning tool to a certain extent, so that heat dissipation in the turning process is not facilitated, and the machining precision is influenced.

In order to solve the problems, the inner hole turning device convenient for chip discharge is designed in the embodiment, the inner hole turning device convenient for chip discharge is provided in the embodiment, a working chamber is arranged in the working chamber, a turning motor is fixedly arranged on the inner wall of the left side of the working chamber, a fixing plate is fixedly arranged on the inner wall of the lower side of the working chamber, a first power shaft rotatably connected with the fixing plate is arranged at the right end of the turning motor in a power connection manner, a control device is arranged in the working chamber and comprises a hydraulic cylinder embedded in the inner wall of the left side of the working chamber, a hydraulic rod is arranged at the right end of the hydraulic cylinder in a power connection manner, a driven disc is fixedly arranged on the right end surface of the hydraulic rod, a first rotating shaft is rotatably arranged in the driven disc, a chuck is fixedly arranged on the right end surface of the first rotating shaft, a turning piece is clamped on the right end surface of the chuck, the turning device comprises a second guide rod fixedly arranged on the left end face of the driven box, a turning box is fixedly arranged on the left end face of the second guide rod, a turning cavity is arranged in the turning box, a turning cutter is arranged between the upper side inner wall of the turning cavity and the upper end face of the turning box in a vertical sliding manner, a first inclined surface block is fixedly arranged on the lower end face of the turning cutter, a first spring is fixedly arranged between the upper end face of the first inclined surface block and the upper side inner wall of the turning cavity, a chip removal device is arranged on the lower side of the control device and comprises two second rotating shafts which are vertically symmetrical and rotatably arranged between the front and rear inner walls of the working cavity, a first straight gear is fixedly arranged on the second rotating shafts, and a first toothed plate is arranged between the two first straight gears in a meshing connection manner, a first sliding cavity with a left opening is arranged in the first toothed plate, a first sliding rod is arranged in the first sliding cavity in a left-right sliding manner, a second spring is fixedly arranged between the right end surface of the first slide bar and the inner wall of the right side of the first slide cavity, a claw is fixedly arranged on the upper end surface of the left end of the first sliding rod, a shearing device is arranged on the lower side of the chip removal device, the shearing device comprises a second toothed plate which is arranged in the inner wall of the right side of the working cavity in a left-right sliding manner, a second bevel block is fixedly arranged on the left end surface of the second gear plate, a first fixed pin is fixedly arranged on the inner wall of the lower side of the working cavity, a first shear blade is rotatably arranged on the first fixed pin, a second shear blade positioned on the upper side of the first shear blade is rotatably arranged on the first fixed pin, the second inclined plane block is abutted against the second shear blade on the right side and the end face of the first shear blade corresponding to the side, and a third spring is fixedly arranged between the second shear blade on the right side and the first shear blade.

Wherein, controlling means is still including fixed setting up the epaxial second straight-teeth gear of first power, fixed being equipped with in the first axis of rotation with second straight-teeth gear meshed third straight-teeth gear, rotate between the side inner wall about the working chamber be equipped with from the first threaded rod of discharge tank threaded connection, first threaded rod upper end extends to the fixed regulation carousel that is equipped with on working box upside and the up end, when rotating during the regulation carousel, first threaded rod rotates and drives the discharge tank is in slide from top to bottom on the first guide arm, thereby adjust turning sword with the distance of turning spare pending face.

Wherein, the turning device also comprises a thread plate which is arranged on the second guide rod in a left-right sliding manner, a second slide rod is fixedly arranged on the left end surface of the thread plate, the left end of the second slide rod extends into the turning cavity, a third bevel block is fixedly arranged on the left end surface, the left end surface of the third bevel block is abutted against the right end surface of the first bevel block, an adjusting cavity is arranged in the driven box, an adjusting motor is fixedly arranged on the inner wall of the right side of the adjusting cavity, a second power shaft is arranged at the left end of the adjusting motor in a power connection manner, the left end of the second power shaft extends into the working cavity and is rotatably connected with the right end surface of the turning box, the thread plate is in a threaded connection with the second power shaft, the thread plate can be driven to move left and right by controlling the rotation of the second power shaft, so that the first bevel block is abutted against the third bevel block, thereby adjusting the feed distance of the turning tool.

Wherein, the chip removal device further comprises a third rotating shaft rotatably arranged on the inner wall of the rear side of the working cavity, a rotating disc is fixedly arranged on the front end face of the third rotating shaft, a second fixing pin is fixedly arranged on the front end face of the rotating disc, a fourth rotating shaft is rotatably arranged on the inner wall of the rear side of the working cavity, a driven plate is fixedly arranged on the fourth rotating shaft, a front and back through chute is arranged in the driven plate, the second fixing pin slides in the chute, a first cambered surface toothed plate is fixedly arranged on the upper end face of the driven plate, the upper end face of the first cambered surface toothed plate is meshed with the lower end face of the first toothed plate, a fifth rotating shaft connected with the inclined teeth of the first power shaft is rotatably arranged between the inner walls of the front and rear sides of the working cavity, the fifth rotating shaft is connected with a belt of the third rotating shaft, when the rotating disc rotates, the second fixing pin is abutted against the inner wall of the chute so as to, the first cambered surface toothed plate swings to drive the first toothed plate to reciprocate left and right, and then the first sliding rod and the hook claw are driven to reciprocate left and right to clean chips.

Wherein, the shearing device is still including rotating the setting and being in sixth axis of rotation between the side inner wall around the working chamber, the fixed spur gear that is equipped with terminal surface meshing connection under the second pinion rack in the sixth axis of rotation, the fixed second cambered surface pinion rack that is equipped with on the terminal surface under the driven plate, terminal surface under the second cambered surface pinion rack with the meshing of second pinion rack up end, working chamber right side inner wall with the right-hand member face of working box link up and is equipped with the smooth chamber of second, the smooth intracavity horizontal slip of second is equipped with the collecting box, be equipped with the ascending collection chamber of opening in the collecting box, work as drive when the driven plate swings the swing of second pinion rack cambered surface, the second cambered surface pinion rack drives the second pinion rack removes, thereby makes second inclined plane piece drive the second shear blade first shear blade wind first fixed pin rotates, and then makes the second shear blade removes, The left end of the first shear blade is opened and closed to realize cutting of chips.

The invention has the beneficial effects that: according to the invention, the turning of the inner hole of the workpiece is controlled by feeding in the vertical direction of the turning cutter, the chips in the inner hole are taken out of the inner hole through the chip removal device, and then the discharged chips are cut into small sections through the cutting device, so that the chips are collected.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

The invention is further illustrated with reference to the following figures and examples.

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

FIG. 2 is an enlarged schematic view of portion "A" of FIG. 1;

FIG. 3 is a schematic view of the structure in the direction "B-B" in FIG. 1;

FIG. 4 is a schematic view of the structure in the direction "C-C" in FIG. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to an inner hole turning device convenient for chip discharge, which is mainly applied to the inner hole turning process convenient for chip discharge, and the invention is further explained by combining the attached drawings of the invention:

the invention relates to an inner hole turning device convenient for chip discharge, which comprises a working box body 11, wherein a working cavity 48 is arranged in the working box body 11, a turning motor 12 is fixedly arranged on the inner wall of the left side of the working cavity 48, a fixing plate 45 is fixedly arranged on the inner wall of the lower side of the working cavity 48, a first power shaft 46 which is rotatably connected with the fixing plate 45 is arranged at the right end of the turning motor 12 in a power connection mode, a control device 901 is arranged in the working cavity 48, the control device 901 comprises a hydraulic cylinder 18 which is embedded in the inner wall of the left side of the working cavity 48, a hydraulic rod 17 is arranged at the right end of the hydraulic cylinder 18 in a power connection mode, a driven plate 15 is fixedly arranged on the right end face of the hydraulic rod 17, a first rotating shaft 16 is rotatably arranged in the driven plate 15, a chuck 19 is fixedly arranged on the right end face of the first, a first guide rod 37 is fixedly arranged between the upper inner wall and the lower inner wall of the working cavity 48, a driven box 34 is arranged on the first guide rod 37 in an up-and-down sliding manner, a turning device 902 is arranged on the left side of the driven box 34, the turning device 902 comprises a second guide rod 28 fixedly arranged on the left end face of the driven box 34, a turning box 26 is fixedly arranged on the left end face of the second guide rod 28, a turning cavity 25 is arranged in the turning box 26, a turning cutter 22 is arranged between the upper inner wall of the turning cavity 25 and the upper end face of the turning box 26 in an up-and-down sliding manner, a first bevel block 21 is fixedly arranged on the lower end face of the turning cutter 22, a first spring 23 is fixedly arranged between the upper end face of the first bevel block 21 and the upper inner wall of the turning cavity 25, a chip removal device 903 is arranged on the lower side of the control device 901, the chip removal device 903 comprises two second rotating shafts 51 which are arranged between the front inner wall and the, the second rotating shaft 51 is fixedly provided with first straight gears 52, two first straight gears 52 are connected in a meshing manner and provided with first toothed plates 35, first sliding cavities 53 with leftward openings are arranged in the first toothed plates 35, first sliding rods 49 are arranged in the first sliding cavities 53 in a left-right sliding manner, second springs 54 are fixedly arranged between the right end surfaces of the first sliding rods 49 and the right inner walls of the first sliding cavities 53, hook claws 50 are fixedly arranged on the upper end surfaces of the left ends of the first sliding rods 49, shearing devices 904 are arranged on the lower sides of the chip removal devices 903, each shearing device 904 comprises a second toothed plate 63 which is arranged in the inner wall of the right side of the working cavity 48 in a left-right sliding manner, second bevel blocks 64 are fixedly arranged on the left end surfaces of the second toothed plates 63, first fixing pins 65 are fixedly arranged on the inner wall of the lower side of the working cavity 48, first cutting blades 60 are rotatably arranged on the first fixing pins 65, and second cutting blades 61 which are positioned on the upper sides of the first cutting blades 60 are rotatably arranged on the first fixing pins 65, the second bevel block 64 abuts against the corresponding side end faces of the second shear blade 61 and the first shear blade 60 on the right side, and a third spring 62 is fixedly arranged between the second shear blade 61 and the first shear blade 60 on the right side.

According to an embodiment, a detailed description is provided below for the control device 901, where the control device 901 further includes a second spur gear 47 fixedly disposed on the first power shaft 46, a third spur gear 14 engaged with the second spur gear 47 is fixedly disposed on the first rotating shaft 16, a first threaded rod 38 threadedly connected to the driven box 34 is rotatably disposed between upper and lower inner walls of the working chamber 48, an upper end of the first threaded rod 38 extends to an upper side of the working box 11, and an adjusting dial 32 is fixedly disposed on an upper end surface of the first threaded rod 38, and when the adjusting dial 32 is rotated, the first threaded rod 38 rotates and drives the driven box 34 to slide up and down on the first guide rod 37, so as to adjust a distance between the turning tool 22 and a surface to be processed of the turning member 20.

According to the embodiment, the turning device 902 is described in detail below, the turning device 902 further includes a threaded plate 29 disposed on the second guide rod 28 in a left-right sliding manner, a second slide rod 27 is fixedly disposed on a left end surface of the threaded plate 29, a left end of the second slide rod 27 extends into the turning cavity 25, a left end surface of the second slide rod 27 is fixedly disposed with a third bevel block 24, a left end surface of the third bevel block 24 abuts against a right end surface of the first bevel block 21, an adjusting cavity 31 is disposed in the driven box 34, an adjusting motor 33 is fixedly disposed on a right inner wall of the adjusting cavity 31, a left end of the adjusting motor 33 is dynamically connected with a second power shaft 30, a left end of the second power shaft 30 extends into the working cavity 48 and is rotationally connected with a right end surface of the turning box 26, the threaded plate 29 is in threaded connection with the second power shaft 30, and by controlling the second power shaft 30 to rotate, the thread plate 29 can be driven to move left and right, so that the third bevel block 24 abuts against the first bevel block 21 to move upwards, and the feeding distance of the turning cutter 22 is adjusted.

According to the embodiment, the chip removal device 903 is described in detail below, the chip removal device 903 further includes a third rotating shaft 57 rotatably disposed on the inner wall of the rear side of the working cavity 48, a rotating disc 56 is fixedly disposed on the front end surface of the third rotating shaft 57, a second fixing pin 39 is fixedly disposed on the front end surface of the rotating disc 56, a fourth rotating shaft 66 is rotatably disposed on the inner wall of the rear side of the working cavity 48, a driven plate 40 is fixedly disposed on the fourth rotating shaft 66, a front and rear through sliding groove 55 is disposed in the driven plate 40, the second fixing pin 39 slides in the sliding groove 55, a first cambered tooth plate 36 is fixedly disposed on the upper end surface of the driven plate 40, the upper end surface of the first cambered tooth plate 36 is engaged with the lower end surface of the first tooth plate 35, a fifth rotating shaft 13 engaged with the inclined teeth of the first power shaft 46 is rotatably disposed between the inner walls of the front and rear sides of the working cavity 48, the fifth rotating shaft 13 is in belt connection with the third rotating shaft 57, when the rotating disc 56 rotates, the second fixing pin 39 abuts against the inner wall of the sliding groove 55 to drive the driven plate 40 to swing, the first cambered-surface toothed plate 36 swings to drive the first toothed plate 35 to move left and right in a reciprocating manner, and then the first sliding rod 49 and the claw 50 are driven to move left and right in a reciprocating manner to clean chips.

According to an embodiment, the following detailed description is provided for the shearing apparatus 904, the shearing apparatus 904 further includes a sixth rotating shaft 58 rotatably disposed between the front and rear inner walls of the working cavity 48, a spur gear 59 engaged with the lower end surface of the second toothed plate 63 is fixedly disposed on the sixth rotating shaft 58, a second cambered toothed plate 41 is fixedly disposed on the lower end surface of the driven plate 40, the lower end surface of the second cambered toothed plate 41 is engaged with the upper end surface of the second toothed plate 63, a second sliding cavity 42 is penetratingly disposed on the right inner wall of the working cavity 48 and the right end surface of the working box 11, a collecting box 44 is slidably disposed in the second sliding cavity 42 from left to right, a collecting cavity 43 with an upward opening is disposed in the collecting box 44, and when the driven plate 40 swings, the second cambered toothed plate 41 is driven to swing, the second toothed plate 63 is driven by the second cambered toothed plate 41 to move left and right, so that the second bevel block 64 drives the second shearing blade 61, and the second shearing, The first cutting edge 60 rotates around the first fixing pin 65, so that the cutting chips are cut by opening and closing the left ends of the second cutting edge 61 and the first cutting edge 60 to and fro.

The steps of using the bore turning device for facilitating chip removal will be described in detail with reference to fig. 1 to 4:

initially, the hydraulic cylinder 18 does not work, the hydraulic rod 17 does not extend, the right end face of the threaded plate 29 abuts against the left end face of the driven box 34, the third inclined face block 24 just abuts against the first inclined face block 21, the lower end face of the first inclined face block 21 abuts against the inner wall of the lower side of the turning cavity 25, the first spring 23 is not compressed, and the second spring 54 is not compressed;

during preparation, the turning part 20 is fixedly clamped on the right end face of the chuck 19, the hydraulic cylinder 18 is started, the hydraulic rod 17, the third straight gear 14, the hydraulic cylinder 18 and the turning part 20 move rightwards, the hydraulic rod 17 is adjusted to extend to the position where the turning cutter 22 is located on the lower side of the surface to be turned of the turning part 20, the adjusting turntable 32 is rotated, and the first threaded rod 38 rotates to drive the driven box 34 to move up and down so that the turning cutter 22 is just abutted to the surface to be turned of the turning part 20;

during turning, the turning motor 12 is started, the first power shaft 46 and the second spur gear 47 rotate, the second spur gear 47 rotates to drive the third spur gear 14, the first rotating shaft 16, the chuck 19 and the turned part 20 to rotate, the first power shaft 46 rotates to drive the fifth rotating shaft 13 to rotate, the fifth rotating shaft 13 rotates to drive the third rotating shaft 57, the rotating disc 56 and the second fixing pin 39 to rotate, the adjusting motor 33 and the second power shaft 30 are started to rotate, the left moving distance of the second power shaft 30 is controlled by controlling the number of rotating turns of the second power shaft 30, the second power shaft 30 moves left to drive the second sliding rod 27 and the third bevel block 24 to move left, the third bevel block 24 moves left to abut against the first bevel block 21 and the turning cutter 22 to move up, the first spring 23 is compressed, the turning cutter 22 moves up to turn the face to be turned on the turned part 20, the second fixing pin 39 rotates to abut against the driven plate 40 to rotate around the fourth rotating shaft 66, thereby driving the first cambered toothed plate 36 and the second cambered toothed plate 41 to swing, the first cambered toothed plate 36 swings to drive the first toothed plate 35 engaged with the first cambered toothed plate to reciprocate left and right, so that the hook claw 50 and the first sliding rod 49 reciprocate left and right, when the first sliding rod 49 and the hook claw 50 move left and extend into the turning piece 20, the hook claw 50 hooks the cuttings, if the inner hole of the turning piece 20 is relatively end, the left end of the first sliding rod 49 moves right relative to the first toothed plate 35 by interference, the second spring 54 is compressed, when the straight gear 59 and the hook claw 50 move right, the cuttings in the turning piece 20 are taken out, the second cambered toothed plate 41 swings to drive the second toothed plate 63 and the second bevel block 64 to reciprocate left and right, when the second bevel block 64 moves left, the second shearing blade 61 and the first shearing blade 60 are abutted to make the first fixing pin 65 rotate, the first shearing blade 60, the left end of the second shearing blade 61 and the third spring 62 stretch, and when the second bevel block 64 moves right, the first cutting edge 60 and the second cutting edge 61 are reset and closed under the elastic force of the third spring 62, the chips taken out are cut off through the reciprocating opening and closing of the first cutting edge 60 and the second cutting edge 61, the cut chips fall into the collection cavity 43, and a worker can take out the collection box 44 to perform centralized treatment on the chips in the collection cavity 43.

The invention has the beneficial effects that: according to the invention, the turning of the inner hole of the workpiece is controlled by feeding in the vertical direction of the turning cutter, the chips in the inner hole are taken out of the inner hole through the chip removal device, and then the discharged chips are cut into small sections through the cutting device, so that the chips are collected.

In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.