CN112091713A

CN112091713A - Chip removal structure of machine tool

Info

Publication number: CN112091713A
Application number: CN202010980590.4A
Authority: CN
Inventors: 陈云法
Original assignee: Zhejiang Shuangzheng Technology Co ltd
Current assignee: Zhejiang Shuangzheng Technology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2020-12-18

Abstract

The invention provides a chip removal structure of a machine tool, and belongs to the technical field of machinery. The machine tool chip removal structure solves the problems that an existing machine tool chip removal structure is complex in structure, large in occupied space and large in energy consumption. This chip removal structure of lathe, lathe are including the bed body that has the process chamber and set up in the process chamber and can relative bed body pivoted auxiliary, and this chip removal structure is including seting up the chip removal mouth in the process chamber bottom, the axis of auxiliary sets up along vertical direction, and this chip removal structure is still including being long banding chip scraping plate one, chip scraping plate one with the auxiliary links firmly mutually, just the auxiliary can drive chip scraping plate one rotates and will fall scattered the sweeps in the process chamber bottom and scrape into in the chip removal mouth. This chip removal structure can initiatively concentrate the sweeps everywhere in the machining chamber bottom and scrape into in the chip removal mouth, directly arrange the chain slat type chip removal machine from the chip removal mouth on, need not to additionally set up screw rod conveying mechanism and power supply again, has simplified the structure, has reduced shared space, has also reduced the energy consumption simultaneously.

Description

Chip removal structure of machine tool

Technical Field

The invention belongs to the technical field of machinery, and relates to a chip removal structure of a machine tool.

Background

In the process of machining the same workpiece, multiple processes are needed, and multiple universal machine tools are adopted to complete the machining, such as a special tapping machine tool and a special reaming machine tool. In each processing procedure, the processed workpiece needs to be clamped and corrected, so that the processing precision of the workpiece cannot be well guaranteed through multiple times of clamping, time and labor are wasted, and the production efficiency is low.

The waterwheel type machine tool can realize the multi-process machining of the same workpiece, and the problems are well solved. The multi-station auxiliary disc machining fixture comprises a box-shaped or frame-shaped bed body and a multi-station auxiliary disc located in the bed body, wherein the auxiliary disc is circumferentially provided with fixtures and is horizontally suspended, a plurality of different machining stations are correspondingly arranged on the bed body in the circumferential direction of the auxiliary disc, and workpieces on the fixtures can rotate to different machining stations by different angles to realize machining. In the machining process of the machine tool, a large amount of machining scraps and cutting fluid are generated, so that the machine tool is generally provided with a scrap discharging mechanism for discharging the scraps.

In the machine tool described above, the bottom of the entire processing chamber is directly formed into a hopper-like structure (see 16 in the drawing) so that the scraps generated at various positions can be discharged. For example, a side-opening window waterwheel type machine tool disclosed in the Chinese patent application (application number: 201920938690.3).

However, in the above machine tool, since the whole machine tool has a large volume, the scraps are concentrated below the middle part of the processing chamber after falling into the hopper at the bottom of the processing chamber, and due to the limitation of space, the chain plate type chip removal machine for conveying the scraps is arranged at one side of the machine tool body, so that the chip removal port on the machine tool body is also arranged at one side of the machine tool body and above the chain plate type chip removal machine, and a screw conveying mechanism is required to be arranged below the processing chamber of the machine tool to push the scraps accumulated below the middle part of the processing chamber to the chip removal port, and then the scraps are conveyed and discharged through the chain plate type chip removal machine. The whole machine tool is complex in structure, large in size and occupied space, and is also driven by an additional driving source due to the arrangement of the screw conveying mechanism, so that the power consumption is large.

In order to reduce occupied space and energy consumption, the conventional method is as follows: the overall structure of the screw conveying mechanism is made more compact, the transmission precision between the driving source and each part is made higher, the energy consumption is reduced, but the requirements on the process precision of manufacturing and installation are higher, and the cost is increased.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides a chip removal structure of a machine tool, which aims to solve the technical problems that: the existing machine tool chip removal structure has the problems of complex structure, large occupied space and high energy consumption.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a chip removal structure of lathe, lathe including the bed body that has the process chamber with set up in the process chamber and can relative bed body pivoted auxiliary disc, this chip removal structure is including offering the chip removal mouth in the process chamber bottom, its characterized in that, the axis of auxiliary disc sets up along vertical direction, this chip removal structure is still including being long banding chip scraping plate one, chip scraping plate one with the auxiliary disc links firmly mutually, just the auxiliary disc can drive chip scraping plate one rotates and scrapes into the sweeps of scattering in the process chamber bottom in the chip removal mouth.

In this lathe, the bottom of machining chamber is confined, need not to set up the hopper structure, and simultaneously, set up the axis of auxiliary along vertical direction, the auxiliary during operation is along horizontal direction pivoted promptly, scrape the bits board one and be rectangular form setting between the inner wall of auxiliary and machining chamber, and scrape bits board one and the auxiliary link firmly mutually, scrape bits board one can be along with auxiliary together rotate at auxiliary pivoted in-process to make and scrape the bits board one and can initiatively concentrate the sweeps everywhere bottom the machining chamber and scrape into in the chip removal mouth. That is to say, in this application, the auxiliary has overturned the unsettled structure that sets up of conventional level, direct design is for being vertical setting, then the cooperation sets up the scrap scraper one of follow-up on the auxiliary, structure combination through these two unconventional, can play the propelling movement effect of a sweeps, concentrate the sweeps scattered everywhere in the machining chamber bottom and scrape the one side of sending to the machining chamber, directly arrange to the chain slat type chip removal machine from the chip removal mouth on, need not to additionally set up screw rod conveying mechanism and power supply again, the structure has been simplified, shared space has been reduced, the energy consumption has also been reduced simultaneously.

In the chip removal structure of foretell lathe, be fixed with on the scraping plate one and be long banding rubber slab, the rubber slab sets up along the length direction of scraping plate one, the lower side protrusion of rubber slab in the lower side of scraping plate one, the lower side of rubber slab with the bottom of process chamber pastes and leans on mutually. A gap is formed between the lower side edge of the first scrap scraping plate and the bottom of the processing chamber, so that abrasion and abnormal sound caused by hard contact between the lower side edge of the first scrap scraping plate and the bottom of the processing chamber can be avoided. Set up the rubber slab on scraping the bits board one, the rubber slab is made for flexible material, its downside pastes with the bottom of process chamber and leans on the contact, take place relative displacement between the two and do not to cause rigid damage and wearing and tearing, can not produce abnormal sound yet, and the rubber slab pastes with the bottom of process chamber and pastes and possess certain elasticity pretightning force again after oneself, make and can not produce the clearance between the two, can guarantee to scrape bits subassembly one when rotating along with the auxiliary plate is synchronous, through the combined action of scraping bits board one and rubber slab two, can concentrate the sweeps everywhere in the process chamber bottom and scrape and send to one side of process chamber, directly arrange to the chain slat type chip removal machine from the chip removal mouth, the effect of chip removal has been guaranteed, need not to additionally set up screw rod conveying mechanism and power supply again, the structure is simplified, shared space has been reduced, the energy consumption has also been reduced simultaneously.

In the chip removal structure of foretell lathe, the one end of rubber slab with the outside wall of auxiliary is pasted mutually, and the other end with the inner wall of machining chamber pastes mutually, have the clearance between the tip of scraping the bits board one and the inner wall of machining chamber. The end part of the first scrap scraping plate is not in contact with the inner wall of the processing chamber, so that the first scrap scraping plate is prevented from being rubbed with the inner wall of the processing chamber along with the synchronous rotation of the auxiliary disc to cause hard abrasion, and abnormal sound is also prevented from being generated. The both ends of rubber slab lean on with the lateral wall of auxiliary disc and the inner wall of processing chamber respectively mutually, thereby can guarantee along with auxiliary disc pivoted in-process, can be with the indoor sweeps that lies in between auxiliary disc and the processing chamber inner wall of processing all can be concentrated the one side of scraping and sending the processing chamber, directly arrange the chain slat type chip removal machine from the chip removal mouth on, the effect of chip removal has further been guaranteed, need not to additionally set up screw rod conveying mechanism and power supply again, the structure is simplified, shared space has been reduced, simultaneously, the energy consumption has also been reduced. Moreover, the rubber plate is in flexible contact with the inner wall of the processing chamber, so that hard damage or abrasion cannot be caused in the rotating process, and abnormal sound cannot be generated.

In the chip removal structure of foretell lathe, scrape bits board one including all being platelike board one, board two and board three, board one, board two and board three connect gradually and formula structure as an organic whole, board one and board three relative board two towards same side slope, board one and board two between contained angle and board three and the contained angle between the board two is the obtuse angle, the shape of rubber slab with scrape the shape looks adaptation of bits board one. The first scrap scraping plate and the rubber plate are both designed into the special structure, so that the first scrap scraping plate and the rubber plate are integrally formed into an outward-expanding arch bridge shape, the first plate part and the third plate part have a guiding effect on scraps in the synchronous rotating process of the auxiliary disc, the scattered scraps can be concentrated towards the second plate part, and the scraps can be scraped into the scrap discharging port better and more intensively.

In the chip removal structure of foretell lathe, this chip removal structure is still including being rectangular platelike scraping plate two, the one end of scraping plate two is fixed on the auxiliary plate, two pastes and fixes in the board of one side of scraping plate two, the length of scraping plate one is greater than the length of scraping plate two, the width of scraping plate one is less than the width of scraping plate two. Because in the course of working, most sweeps are all concentrated and are scattered in the one side that is close to the auxiliary, consequently, at the in-process of scraping the sweeps, the power that second scraping plate is close to one end of auxiliary and receives is great relatively, and accumulational sweeps is also more relatively, especially two departments of board, consequently, through the design of second scraping plate, can improve the stress strength of this department. Meanwhile, the width of the scrap scraping plate II is relatively wide, the height for stacking the scraps is also high, and scraping can be realized even if the scraps are more. Considering that the scattered waste chips close to one side of the inner wall of the processing chamber are relatively small, the length of the second scrap scraping plate is designed to be relatively short, the resistance in the rotating process is reduced while the waste chip scraping effect is guaranteed, and the energy consumption is reduced to a certain extent.

In the chip removal structure of foretell lathe, the one end of scraping board two has respectively to both sides face protrusion and all be platelike connecting portion, connecting portion paste and lean on the lateral wall of auxiliary plate and fix through the fastener on the auxiliary plate. The scraping assembly rotates along with the auxiliary disc to realize the concentrated scraping of the scraps, the main stress of the scraping assembly is concentrated at the joint of the scraping plate II and the auxiliary disc, and the connecting area between the scraping plate II and the auxiliary disc is increased through the design of the connecting part, so that the connection between the scraping plate II and the auxiliary disc is more stable, and the installation is more convenient.

In the chip removal structure of foretell lathe, a plurality of fixed orificess have been seted up on the scraping plate two, a plurality of bar holes have been seted up to the correspondence on the plate two, the length direction in bar hole with the length direction of plate two is unanimous, the plate two passes the fastener and passes the bar hole in proper order and fix with the fixed orifices that corresponds scrape on the scraping plate two. Due to the arrangement, the first scrap scraping plate and the second scrap scraping plate are convenient to disassemble and assemble, and are convenient to clean and maintain. Simultaneously, the design of the strip-shaped hole can be used for radially adjusting the first scraping plate position along the auxiliary disc, after the first rubber plate is abraded, the first rubber plate can be always kept attached to the inner wall of the processing chamber through adjusting the first scraping plate, and the effect of scraping scraps is guaranteed.

Alternatively, in the chip removal structure of the machine tool, the first chip scraper is arc-shaped, and the shape of the rubber plate is matched with that of the first chip scraper. In the process of synchronous rotation along with the auxiliary disc, the scrap scraping plate I and the rubber plate are both arc-shaped plate-shaped, and the arc-shaped flaring structure has a guiding effect on scraps, so that the scattered scraps can be concentrated in the middle of the scrap scraping plate I, and the scrap discharging port can be scraped better and more concentrated.

In the chip removal structure of the machine tool, the first plate portion is close to the auxiliary plate, and the width of the first plate portion is gradually reduced from one end, connected with the second plate portion, of the first plate portion to the other end of the first plate portion. Through the setting, when guaranteeing the effect of scraping bits, guaranteed the lightweight to a certain extent, reduced the resistance of operation in-process, reduce the energy consumption.

In the chip removal structure of foretell lathe, the bottom of machining chamber has been laid and has been scraped the bits bottom plate, the face of scraping the bits bottom plate is the plane, the downside of rubber slab pastes and leans on scrape on the face of bits bottom plate. Scrape the bits bottom plate and paste mutually with the rubber slab and lean on the cooperation to can guarantee that the sweeps that scatter between auxiliary and the machining room inner wall can both be concentrated and scrape the bits mouth in and discharge, realized 360 degrees no dead angles and strike off, scrape the effectual of bits and chip removal.

Compared with the prior art, the chip removal structure of the machine tool has the following advantages:

1. the auxiliary disc has overturned the unsettled structure that sets up of conventional level, and direct design is for being vertical setting, then the cooperation sets up follow-up scraping plate one on the auxiliary disc, can initiatively concentrate the sweeps everywhere in the processing chamber bottom and scrape into in the chip removal mouth, directly arrange the chain slat type chip removal machine from the chip removal mouth on, need not additionally to set up screw rod conveying mechanism and power supply again, simplified the structure, reduced shared space, also reduced the energy consumption simultaneously.

2. The rubber slab is made for flexible material, and its downside pastes with the bottom of processing chamber and leans on the contact, takes place relative displacement between the two and does not possess certain elasticity pretightning force again after pasting itself again to causing rigid damage and wearing and tearing, can not produce abnormal sound yet between the two with the bottom of processing chamber for can not produce the clearance between the two, guarantee the effect of scraping bits.

3. The first scrap scraping plate and the rubber plate are integrally formed into an outward-expanding shape, and in the process of synchronous rotation along with the auxiliary plate, the first plate part and the third plate part have a guiding effect on scraps, so that scattered scraps can be concentrated towards the second plate part, and the scraps can be better and more concentrated and scraped into the scrap discharge port.

4. The second scraping plate is matched with the first scraping plate in structure, so that the dismounting is more convenient, the maintenance and the cleaning are convenient, and meanwhile, the sufficient bearing strength is provided in the rotating scraping process.

Drawings

Fig. 1 is a schematic perspective view of a machine tool having the present chip removal structure.

Fig. 2 is an enlarged view at a in fig. 1.

Fig. 3 is a side view of a machine tool having the present chip removal structure.

Fig. 4 is a sectional view taken in the direction B-B in fig. 3.

Fig. 5 is an enlarged view at C in fig. 4.

Fig. 6 is a sectional view taken in the direction D-D of fig. 4.

Fig. 7 is a schematic perspective view of the structure at the sub-disc.

FIG. 8 is a schematic view showing a connection structure of the first scraping plate, the second scraping plate and the rubber plate.

In the figure, 1, bed body; 1a, a processing chamber; 1b, a chip removal port; 1c, scraping the scraps bottom plate; 2. an auxiliary disc; 3. a scrap scraping plate I; 3a, a first plate portion; 3b, a second plate portion; 3b1, strip shaped holes; 3c, plate section three; 4. a rubber plate; 5. a second scrap scraping plate; 5a, a connecting part; 5b, fixing holes; 6. chain plate type chip removal machine.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Example one

As shown in fig. 1, 3 and 4, the present machine tool includes a bed 1 having a processing chamber 1a, and a sub-disc 2 disposed in the processing chamber 1a and capable of rotating relative to the bed 1. The processing chamber 1a is in a cylindrical shape, the axis of the auxiliary disc 2 is arranged along the vertical direction, the bed body 1 is provided with a driving motor, and the output shaft of the driving motor extends into the processing chamber 1a and is connected with the auxiliary disc 2. A plurality of fixtures are arranged on the auxiliary disc 2 along the circumferential direction of the auxiliary disc, a plurality of machining stations are arranged on the bed body 1 along the circumferential direction of the machining chamber 1a, workpieces are fixed on the auxiliary disc 2 through the fixtures, and the workpieces are driven to rotate to different machining stations through the auxiliary disc 2 to be machined. The bottom of the bed body 1 is provided with an inwards concave abdicating groove which penetrates through the side part of the bed body 1, and one end of the chain plate type chip removal machine 6 extends into the abdicating groove.

As shown in fig. 1 to 8, the chip removal structure includes a chip removal port 1b formed in the bottom of the processing chamber 1a, a first elongated chip scraper 3, and a second elongated chip scraper 5. The bottom of the processing chamber 1a is paved with a scrap scraping bottom plate 1c, the surface of the scrap scraping bottom plate 1c is a plane, one end port of the scrap discharging port 1b penetrates through the scrap scraping bottom plate 1c and is located between the auxiliary disc 2 and the inner wall of the processing chamber 1a, the other end of the scrap discharging port inclines outwards to extend to the abdicating groove, and the end port is located above the chain plate type scrap discharging machine 6.

The second scraping plate 5 is vertical and extends along the radial direction of the auxiliary plate 2 along the second scraping plate 5, one end of the second scraping plate 5 is provided with a connecting part 5a protruding towards two sides of the plate surface and being plate-shaped, and the connecting part 5a is attached to the outer side wall of the auxiliary plate 2 and fixed on the auxiliary plate 2 through a fastener. The first scrap scraping plate 3 is fixed on the second scrap scraping plate 5, and the auxiliary disc 2 can drive the first scrap scraping plate 3 and the second scrap scraping plate 5 to rotate so as to scrape the scraps scattered at the bottom of the processing chamber 1a into the scrap discharging port 1 b. Because in the course of working, most sweeps are all concentrated and are scattered in the one side that is close to auxiliary 2, consequently, at the in-process of striking off the sweeps, the power that second 5 of scraping bits is close to auxiliary 2 one end and receives is great relatively, and accumulational sweeps is also relatively more, and the design of second 5 of scraping bits can improve the stress strength of this department. The length of the first scrap scraping plate 3 is larger than that of the second scrap scraping plate 5, and the scrap scattered on one side close to the inner wall of the processing chamber 1a is relatively small, so that the length of the second scrap scraping plate 5 is relatively short, the resistance in the rotating process is reduced while the scrap scraping effect is guaranteed, and the energy consumption is reduced to a certain extent. The width of the first scrap scraping plate 3 is smaller than that of the second scrap scraping plate 5, so that the stacking height of the scraps is high, and scraping can be realized even if the scraps are more.

Specifically, a gap is formed between the lower side edge of the first scrap scraper 3 and the bottom of the processing chamber 1a, so that abrasion and abnormal sound caused by hard contact between the two can be avoided. A gap is formed between the end part of the first scrap scraping plate 3 and the inner wall of the processing chamber 1a, so that the first scrap scraping plate 3 is prevented from being rubbed with the inner wall of the processing chamber 1a to cause hard abrasion in the process of synchronously rotating along with the auxiliary disc 2, and abnormal sound is also prevented from being generated. Be fixed with on the scraping plate 3 and be long banding rubber slab 4, rubber slab 4 sets up along the length direction of scraping plate 3, rubber slab 4 makes for flexible rubber materials, the lower side protrusion of rubber slab 4 in the lower side of scraping plate 3, the lower side subsides of rubber slab 4 lean on scraping the face of bits bottom plate 1c, make can not produce the clearance between the two, and take place relative displacement between the two and do not to leading to the fact rigid damage and wearing and tearing, can not produce the abnormal sound yet. One end of the rubber plate 4 is attached to the outer side wall of the auxiliary disc 2, and the other end of the rubber plate is attached to the inner wall of the processing chamber 1a, so that 360-degree dead-angle-free scraping is realized, and the effects of scraping and discharging chips are good.

Further, as shown in fig. 8, the first scrap scraping plate 3 includes a first plate portion 3a, a second plate portion 3b and a third plate portion 3c, which are all plate-shaped, the first plate portion 3a, the second plate portion 3b and the third plate portion 3c are connected in sequence and are of an integral structure, and the second plate portion 3b is attached and fixed to one side plate surface of the second scrap scraping plate 5. Relative two 3b of board of one 3a and board three 3c towards same one side slope, contained angle between one 3a of board and the two 3b of board and contained angle between three 3c of board and the two 3b of board are the obtuse angle, the shape of rubber slab 4 and the shape looks adaptation of scraping bits board 3 for scrape bits board 3 and rubber slab 4 and all form an arched bridge form that expands outward, at the in-process along with the synchronous pivoted of auxiliary 2, board 3a and three 3c of board have a guide effect to the sweeps, thereby can all concentrate toward board two 3b department with the sweeps that scatter everywhere.

Seted up a plurality of fixed orificess 5b on the scraping plate two 5, a plurality of bar holes 3b1 have been seted up to the correspondence on two 3b of plate, the length direction of bar holes 3b1 is unanimous with the length direction of two 3b of plate, two 3b of plate pass bar holes 3b1 in proper order through the fastener and fix on scraping plate two 5 with the fixed orifices 5b that corresponds, it is more convenient to make dismouting between scraping plate one 3 and the scraping plate two 5, be convenient for clean and maintain. After the rubber plate 4 on the first scrap scraping plate 3 is worn, the rubber plate 4 can be kept attached to the inner wall of the processing chamber 1a all the time by adjusting the first scrap scraping plate 3, and the scrap scraping effect is guaranteed.

The end, far away from the auxiliary disc 2, of the second scrap scraping plate 5 is provided with a guide section, and the width of the guide section is gradually reduced from the end, far away from the auxiliary disc 2, of the second scrap scraping plate 5 to the direction of the other end. One 3a of board is close to auxiliary 2, and the width of one 3a of board reduces from its one end of being connected with two 3b of board toward other end direction in proper order, when guaranteeing the bits effect of scraping, has guaranteed the lightweight to a certain extent, reduces the resistance of operation in-process, reduces the energy consumption.

When the machine tool works, the auxiliary disc 2 rotates by different angles to rotate workpieces to different processing stations for processing, and scraps generated by processing float at the bottom of the processing chamber 1 a. In this in-process, the scraping plate 3, the scraping plate 5 and the rubber plate 4 can rotate along with the auxiliary disc 2 together to can initiatively concentrate the sweeps everywhere in the bottom of the processing chamber 1a and scrape into chip removal mouth 1b, directly arrange the chain slat type chip removal machine 6 from chip removal mouth 1b, need not additionally to set up screw rod conveying mechanism and power supply again, simplify the structure, reduced shared space, also reduced the energy consumption simultaneously.

Example two

The structure of the present embodiment is substantially the same as that of the first embodiment, except that: the first scrap scraping plate 3 is arc-shaped plate-shaped, and the shape of the rubber plate 4 is matched with that of the first scrap scraping plate 3. In-process along with the synchronous rotation of auxiliary 2, the scraping plate 3 and the rubber slab 4 all are arc platelike, and curved flaring structure has a guide effect to the sweeps to can concentrate scattering everywhere sweeps all toward the middle part of scraping plate 3, can be better, more concentrated by scraping into in the chip removal mouth 1 b.

EXAMPLE III

The structure of the present embodiment is substantially the same as that of the first embodiment, except that: the first scrap scraping plate 3 is directly fixed on the auxiliary disc 2.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Although the terms of the bed 1, the processing chamber 1a, the chip removal port 1b, the chip scraping bottom plate 1c, the sub-plate 2, the chip scraping plate 3, the plate portion 3a, the plate portion 3b, the plate portion 3c, the rubber plate 4, the chip scraping plate 5, the connecting portion 5a, the chain plate type chip remover 6, etc. are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a chip removal structure of lathe, lathe is including the bed body (1) that has process chamber (1a) and set up in process chamber (1a) and can be relative bed body (1) pivoted subplate (2), this chip removal structure is including offering chip removal mouth (1b) in process chamber (1a) bottom, a serial communication port, the axis of subplate (2) sets up along vertical direction, and this chip removal structure is still including being long banding scraping plate (3), scraping plate (3) with subplate (2) link firmly mutually, just subplate (2) can drive scraping plate (3) rotate and scrape into the sweeps that will fall scattered in process chamber (1a) bottom in chip removal mouth (1 b).

2. The chip removal structure of a machine tool according to claim 1, characterized in that a long rubber plate (4) is fixed on the first chip scraper (3), the rubber plate (4) is arranged along the length direction of the first chip scraper (3), the lower side edge of the rubber plate (4) protrudes out of the lower side edge of the first chip scraper (3), and the lower side edge of the rubber plate (4) is attached to the bottom of the processing chamber (1 a).

3. The chip removal structure for a machine tool according to claim 2, wherein one end of the rubber plate (4) abuts against the outer side wall of the auxiliary disk (2) and the other end abuts against the inner wall of the processing chamber (1a), and a gap is provided between the end of the first chip scraper (3) and the inner wall of the processing chamber (1 a).

4. The chip removal structure of a machine tool according to claim 2 or 3, wherein the first chip scraper (3) comprises a plate-shaped plate portion (3a), a plate portion (3b) and a plate portion (3c), the plate portion (3a), the plate portion (3b) and the plate portion (3c) are connected in sequence and are of an integral structure, the plate portion (3a) and the plate portion (3c) are inclined towards the same side relative to the plate portion (3b), an included angle between the plate portion (3a) and the plate portion (3b) and an included angle between the plate portion (3c) and the plate portion (3b) are obtuse angles, and the shape of the rubber plate (4) is matched with the shape of the first chip scraper (3).

5. The chip removal structure of a machine tool according to claim 4, further comprising a second chip removal plate (5) in the form of a long plate, wherein one end of the second chip removal plate (5) is fixed to the auxiliary plate (2), the second plate portion (3b) is attached to and fixed to a side plate surface of the second chip removal plate (5), the first chip removal plate (3) has a length greater than that of the second chip removal plate (5), and the first chip removal plate (3) has a width smaller than that of the second chip removal plate (5).

6. The chip removal structure of a machine tool according to claim 5, characterized in that one end of the second chip scraper (5) is provided with a connecting part (5a) which protrudes towards two side plate surfaces respectively and is in a plate shape, and the connecting part (5a) is attached to the outer side wall of the auxiliary disc (2) and is fixed on the auxiliary disc (2) through a fastener.

7. The chip removal structure of the machine tool according to claim 5, wherein a plurality of fixing holes (5b) are formed in the second chip scraper (5), a plurality of strip-shaped holes (3b1) are correspondingly formed in the second plate part (3b), the length direction of the strip-shaped holes (3b1) is consistent with that of the second plate part (3b), and the second plate part (3b) sequentially penetrates through the strip-shaped holes (3b1) and the corresponding fixing holes (5b) through fasteners to be fixed on the second chip scraper (5).

8. The chip removal structure of a machine tool according to claim 2 or 3, wherein the first chip removal plate (3) has an arc-shaped plate shape, and the shape of the rubber plate (4) is adapted to the shape of the first chip removal plate (3).

9. The chip removal structure for a machine tool according to claim 4, wherein the plate portion one (3a) is close to the sub-disc (2), and the width of the plate portion one (3a) decreases in the order from the end thereof connected to the plate portion two (3b) toward the other end thereof.

10. The chip removal structure of a machine tool according to claim 2 or 3, characterized in that a chip removing bottom plate (1c) is laid at the bottom of the processing chamber (1a), the surface of the chip removing bottom plate (1c) is a plane, and the lower side of the rubber plate (4) is attached to the surface of the chip removing bottom plate (1 c).