CN114309826B - Lathe revolving stage protector and numerical control gear hobbing machine - Google Patents

Lathe revolving stage protector and numerical control gear hobbing machine Download PDF

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Publication number
CN114309826B
CN114309826B CN202210101548.XA CN202210101548A CN114309826B CN 114309826 B CN114309826 B CN 114309826B CN 202210101548 A CN202210101548 A CN 202210101548A CN 114309826 B CN114309826 B CN 114309826B
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turntable
plate
upright post
ridge
scraping plate
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CN114309826A (en
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刘耀
但鹏
车亚肖
徐少帅
李瑞亮
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Qinchuan Group Xi'an Technology Research Institute Co ltd
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Qinchuan Group Xi'an Technology Research Institute Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract

The invention relates to a machine tool turntable protecting device and a numerical control gear hobbing machine, which comprise a turntable protecting cover, a turntable support, a small upright post connecting plate and a large upright post scrap scraping plate structure, wherein the turntable protecting cover is provided with the turntable support for installing an arc surface of a turntable, one end of the turntable protecting cover is fixedly connected with the small upright post connecting plate, the other end of the turntable protecting cover is movably connected with the large upright post scrap scraping plate structure, and the large upright post scrap scraping plate structure is used for scraping scrap iron on the turntable protecting cover. The invention improves the fault tolerance between the protection plates, can effectively solve the eccentric problem caused by the protection installation error of the turntable, promotes the rapid discharge of the cutting scrap iron into the scrap groove, and further eliminates the influence of the thermal stress generated by the high-temperature scrap iron on the machining precision of the machine tool.

Description

Lathe revolving stage protector and numerical control gear hobbing machine
Technical Field
The invention relates to the technical field of numerical control machining, in particular to a machine tool turntable protecting device and a numerical control gear hobbing machine.
Background
The main internal protection in the gear hobbing machine tool comprises a turntable protection, a small upright post protection and a tool rest protection, and the turntable protection has the functions of protecting the turntable and parts on the turntable from being scratched by processing scrap iron and rapidly conveying the processing scrap iron into the chip cleaner.
In the prior art, a part of machine tools are not protected by a rotary table, a part of machine tools are protected and are only used for dividing the machining area and the non-machining area of the machine tools, the problem that scrap iron is accumulated in the machining process of the machine tools cannot be effectively solved, the thermal stress generated by accumulation of high-temperature scrap iron can cause a certain influence on the rotary table and the machine tool body, the machining precision is affected, and in addition, the rotary table which is designed in a numerical control machining part or die sinking mode is too high in protection cost and poor in universality. Meanwhile, the eccentric problem caused by overlarge sheet metal machining errors exists in the turntable protective mounting process, and the eccentric problem can affect the machining precision.
Disclosure of Invention
In view of the above, the invention mainly solves the problems of chip removal in the protection area of the turntable and eccentric protection installation, and improves the machining precision of the machine tool.
Specifically, a lathe revolving stage protector, including revolving stage protection casing, revolving stage support, little stand connecting plate and big stand scraping the bits plate structure, be provided with the revolving stage support that is used for installing the arc surface of revolving stage on the revolving stage protection casing, the one end and the little stand connecting plate fixed connection of revolving stage protection casing and its other end and big stand scraping bits plate structure swing joint, big stand scraping bits plate structure is used for scraping the epaxial iron fillings of revolving stage protection casing.
The turntable bracket can adopt a metal machine addition forming process and a metal plate forming process, and the machine addition forming has the advantage of high precision, but has high manufacturing cost; the sheet metal forming process has low manufacturing cost but poor precision, and the same two semicircular arc symmetrical sheet metals are required to be installed on the circular arc surface of the turntable through screws.
On the basis, one side of the rotary table protective cover is further provided with a chip removing plate, one side of the chip removing plate is connected with one side of the rotary table protective cover, the other side of the chip removing plate is connected with the small upright post connecting plate, and the direction of the chip removing plate is opposite to the direction of the rotary table support.
Preferably, the rotary table protective cover comprises a cover body and a ridged plate group, the cover body is matched with the central shaft of the rotary table, the ridged plate group is arranged on one side of the cover body, the ridged plate group comprises a first ridged structure, a second ridged structure and a third ridged structure, and the first ridged structure, the second ridged structure and the third ridged structure are arranged in parallel.
This kind of structure is convenient for the chip removal, prevents that iron fillings from piling up.
On the basis, the large-upright-post scraping plate structure comprises a large upright post connecting plate used for being connected with a large upright post and a scraping plate group matched with the ridge-shaped plate group for use, and a gap is reserved between the scraping plate group and the ridge-shaped plate group;
the scraping plate group comprises a first scraping plate which is lapped on the first ridge structure, a second scraping plate which is lapped on the second ridge structure and a third scraping plate which is lapped on the third ridge structure.
On this basis, still including installing at scraping the end that big stand connecting plate was kept away from to the bits board group three first waist type hole has all been seted up on the scraper blade, three the scraper blade is respectively through the screw connection that passes first waist type hole at the end of first scraping the bits board, second scraping the bits board and third scraping the bits board and three the end of scraper blade contacts with first ridged structure, second ridged structure and third ridged structure respectively in order to scrape and move the iron fillings.
The scraper blade adopts soft material to contact with the ridge plate group on the revolving stage protection main part, prevents that the intermetallic pulling from producing the noise.
Preferably, the small upright post connecting plate comprises a first connecting plate and a second connecting plate which are perpendicular to each other, the first connecting plate is attached to the small upright post surface and is connected with the small upright post surface through a screw, a second waist-shaped hole is formed in the second connecting plate, a welding nut is arranged at the position opposite to the second waist-shaped hole on the turntable protecting cover, and the second connecting plate is connected with the turntable protecting cover through a screw penetrating through the second waist-shaped hole and fastened by the welding nut so as to adjust the distance between the turntable protecting cover and the small upright post surface.
Preferably, the turntable support and the turntable are coaxially arranged, the diameter of the turntable support is larger than that of the turntable, the turntable support can cover a gap between the turntable and the turntable protective cover, and the difference range between the diameter of the turntable support and the diameter of the turntable is 4mm-12mm.
The structure can prevent scrap iron from entering the interior of the turntable from a gap existing at the joint of the arc surface of the turntable protective cover and the turntable.
Preferably, three of the first waist-shaped holes are used for adjusting the distance between the first scraping plate and the first ridge structure, between the second scraping plate and the second ridge structure and between the third scraping plate and the third ridge structure.
Preferably, the machine tool turntable protecting device is made of metal sheet metal materials, and is not limited to stainless steel and stainless iron materials.
The numerical control gear hobbing machine comprises a machine body, a chip groove, a large upright post, a small upright post, a tool rest, a turntable base and a turntable, wherein the turntable base is arranged on the machine body, the turntable is arranged on the turntable base, the small upright post and the large upright post are also arranged on the machine body, the chip groove is arranged in the machine body, a chip groove inclined plane is arranged in the machine body, the chip groove is arranged at the end part of the machine body, the chip groove extends into the chip groove, when the machine tool turntable protecting device is used, the machine tool operates, the large upright post drives the tool rest to perform radial feeding, and simultaneously drives a large upright post chip scraping plate structure to move towards the direction of the turntable along a ridge plate group of the turntable protecting cover; when a workpiece is machined, scrap iron falls on the surfaces of the turntable protective cover, the turntable support, the scrap plates and the large-column scrap scraping plate structure, and the scrap iron accumulated on the surfaces can automatically slide to the scrap discharge port through the inclined plane of the scrap discharge groove along with the increase of weight.
The beneficial effects of the invention are as follows: according to the invention, the first waist-shaped hole between the turntable protective cover and the small upright post connecting plate is used for adjusting the protective mounting distance, so that the fault tolerance between the protective plates is improved, and the eccentric problem caused by the protective mounting error of the turntable can be effectively solved; the chip removing plate can promote quick discharge of cutting scrap iron into the chip removing groove, and the large-column scrap scraping plate structure can scrape scrap iron of the ridge plate group staying in the rotary table protective cover into the chip removing groove, so that the influence of thermal stress generated by high-temperature scrap iron on machining precision of a machine tool is eliminated.
Drawings
FIG. 1 is a schematic structural view of a turntable protecting device of the machine tool;
FIG. 2 is a schematic structural view of a turret shield apparatus (including a squeegee) in embodiment 1;
fig. 3 is a schematic structural view of a turret protecting device for a machine tool according to embodiment 2;
FIG. 4 is a schematic view showing a partial structure of a turret guard device for a machine tool according to embodiment 4;
FIG. 5 is a schematic diagram of the principle of operation of the junk plate of example 4;
reference numerals illustrate:
1. the turntable protective cover comprises a turntable protective cover body 1-1, a cover body 1-2, a ridge plate group 121, a first ridge structure 122, a second ridge structure 123 and a third ridge structure;
2. a turntable support;
3. the small upright post connecting plate, 3-1, the first connecting plate, 3-2, the second connecting plate and 321, the second waist-shaped hole;
4. a chip removal plate;
5. the large column scraping plate comprises a large column scraping plate structure, a large column connecting plate, a first scraping plate, a second scraping plate, a third scraping plate, a scraping plate and a first waist-shaped hole, wherein the large column scraping plate structure is 5-1, the large column connecting plate is 521, the first scraping plate is 522, the second scraping plate is 523, the third scraping plate is 5-3, the scraping plate is 531;
6. lathe bed, 7, revolving stage base, 8, little stand, 9, big stand, 10, revolving stage, 11, the chip discharge mouth, 12, chip discharge groove inclined plane, 13.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Example 1
As shown in fig. 1-2, the machine tool turntable protecting device comprises a turntable protecting cover 1, a turntable support 2, a small upright post connecting plate 3 and a large upright post scrap scraping plate structure 5, wherein the turntable support 2 for installing the arc surface of a turntable 10 is arranged on the turntable protecting cover 1, one end of the turntable protecting cover 1 is fixedly connected with the small upright post connecting plate 3, the other end of the turntable protecting cover is movably connected with the large upright post scrap scraping plate structure 5, and the large upright post scrap scraping plate structure 5 is used for scraping scrap iron on the turntable protecting cover 1.
On the basis, one side of the rotary table protective cover 1 is further provided with a chip removing plate 4, one side of the chip removing plate 4 is connected with one side of the rotary table protective cover 1, the other side of the chip removing plate 4 is connected with the small upright post connecting plate 3, and the direction of the chip removing plate 4 is opposite to the direction of the rotary table support 2.
The chip removal plate 4 is provided with through holes on two sides, one side is stuck with the surface of the small upright post 8 and is connected with the surface of the small upright post 8 through screws, and the chip removal plate and the small upright post connecting plate 3 are overlapped and share the same threaded hole of the surface of the small upright post 8. The other side is connected with a through hole on the turntable protective cover 1, which is back with a welding nut through screws.
Preferably, through holes on two sides of the chip removal plate 4 are matched with holes on the turntable protective cover 1 and the small upright post connecting plate 3 according to actual working conditions, so that the problem that holes cannot be installed due to dislocation caused by deformation in a sheet metal machining process is effectively prevented.
Wherein, the chip removal plate 4 is made into a plate with adjustable front-rear distance according to actual working conditions so as to cope with errors in the production and installation processes.
The turntable protective cover 1 is sleeved and installed in a mode of matching with the central shaft of the turntable 10 or split-type and spliced and installed through screws; the small upright post connecting plate 3 is connected with the rotary table protective cover 1 through a screw connection mode, and the chip removal plate 4 is designed according to actual working conditions and is connected with the rotary table protective cover 1 and the small upright post connecting plate 3 through screws.
On this basis, the turntable protective cover 1 comprises a cover body 1-1 and a ridged plate group 1-2, the cover body 1-1 is matched with a turntable central shaft, the ridged plate group 1-2 is arranged on one side of the cover body 1-1, the ridged plate group 1-2 comprises a first ridged structure 121, a second ridged structure 122 and a third ridged structure 123, and the first ridged structure 121, the second ridged structure 122 and the third ridged structure 123 are mutually parallel.
The rotary table protective cover 1 is formed by welding various metal plate surface groups, is sleeved or split according to the actual working condition design of the rotary table and is buckled on the ridge-shaped plate group 1-2 of the rotary table 10 through screws, is designed into a pyramid or a cone shape, and has the functions of facilitating chip removal and preventing scrap iron from accumulating; the ridge plate group 1-2 is provided with through holes and nuts with corresponding sizes are welded.
The turntable protective cover 1 can be placed on the horizontal plane of the lathe bed 6 smoothly and stably, a through hole is formed in one side, close to the small upright post 8, of the turntable protective cover 1, and a welding nut with a corresponding size is arranged below the through hole.
On the basis, the large-upright-post scraping plate structure 5 comprises a large-upright-post connecting plate 5-1 used for being connected with a large upright post 9 and a scraping plate group matched with the ridge-shaped plate group 1-2, and a gap is reserved between the scraping plate group and the ridge-shaped plate group 1-2;
the scraping plate set includes a first scraping plate 521 overlapped on the first ridge structure 121, a second scraping plate 522 overlapped on the second ridge structure 122, and a third scraping plate 523 overlapped on the third ridge structure 123.
On this basis, the scrap scraping device further comprises three scraping plates 5-3 arranged at one ends of the scrap scraping plate groups far away from the large upright post connecting plate 5-1, wherein first waist-shaped holes 531 are formed in the three scraping plates 5-3, the three scraping plates 5-3 are connected to the tail ends of the first scrap scraping plate 521, the second scrap scraping plate 522 and the third scrap scraping plate 523 through screws penetrating through the first waist-shaped holes 531, and the tail ends of the three scraping plates 5-3 are respectively contacted with the first ridge-shaped structures 121, the second ridge-shaped structures 122 and the third ridge-shaped structures 123 to scrape scrap iron.
Three of the first waist-shaped holes 531 are used to adjust the distance between the first scraping plate 521 and the first ridge structure 121, between the second scraping plate 522 and the second ridge structure 122, and between the third scraping plate 523 and the third ridge structure 123.
The large-column scrap scraping plate structure 5 is in up-down lap joint with the ridge plate group 1-2 of the turntable protective cover 1 but is not in direct contact with the ridge plate group, when the large column 9 drives the tool rest to perform tool setting and processing, the large-column scrap scraping plate structure 5 moves along with the large column 9 at the same time, and scrap iron on the ridge plate group 1-2 staying on the turntable protective cover 1 is scraped during movement. The large column scraping plate structure 5 is connected with the large column 9 through screws. The large column scraping plate structure 5 is connected with the scraping plate 5-3 at one end close to the turntable protective cover 1, the scraping plate 5-3 is made of soft materials and is in contact with the ridge plate group 1-2 on the turntable protective cover 1, and noise generated by intermetallic pulling is prevented.
As another specific scheme, the small upright post connecting plate 3 comprises a first connecting plate 3-1 and a second connecting plate 3-2 which are perpendicular to each other, the first connecting plate 3-1 is attached to the surface of the small upright post 8 and is connected with the surface of the small upright post 8 through a screw, a second waist-shaped hole 321 is formed in the second connecting plate 3-2, a welding nut is arranged at the position opposite to the second waist-shaped hole 321 on the turntable protecting cover 1, and the second connecting plate 3-2 is connected with the turntable protecting cover 1 through a screw penetrating through the second waist-shaped hole 321 and fastened by the welding nut so as to adjust the distance between the turntable protecting cover 1 and the surface of the small upright post 8.
Preferably, the turntable protective cover 1 is mounted on the arc surface of the turntable 10 by a screw, wherein the arc surface of the turntable is used as an inner circle radius, and the annular structure is used as a radius, and the radius is larger than the radius of the turntable 10 and is not interfered with other parts.
Preferably, the turntable support 2 and the turntable 10 are coaxially arranged, the diameter of the turntable support 2 is larger than that of the turntable 10, the turntable support 2 can cover a gap between the turntable and the turntable protective cover 1, and the difference between the diameter of the turntable support 2 and the diameter of the turntable 10 is in the range of 4mm-12mm.
This structure prevents the iron filings from entering the inside of the turntable 10 from the gap existing at the junction of the arc surface of the turntable shield 1 and the turntable 10.
As another specific scheme, the turntable support 2 can adopt a metal machine addition forming process and a metal plate forming process, and the machine addition forming has the advantage of high precision, but has high manufacturing cost; the sheet metal forming process has low manufacturing cost but poor precision, and the same two semicircular arc symmetrical sheet metals are required to be installed on the circular arc surface of the turntable 10 through screws.
As another specific scheme, the turntable protective cover 1, the turntable bracket 2, the small upright post connecting plate 3, the chip removing plate 4 and the large upright post chip scraping plate structure 5 are all designed in shape, added with plates and deleted with plates according to actual required protection working conditions.
In the scheme, the screw connection is selected for convenient installation and disassembly, and the adjustment can be performed according to the waist-shaped holes matched with the mechanical structural parts of the machine tool in the machine tool debugging process.
Example 2
On the basis of embodiment 1, as shown in fig. 3, the turntable support 2 is mounted on the arc surface of the turntable 10 by a screw, wherein the center of the turntable 10 is used as the center, the arc surface on which the turntable 10 can be mounted is used as the radius of the inner ring, and the non-top hat-shaped structure which is larger than the radius of the turntable 10 and has a distance which is not interfered with other components is used as the radius.
The purpose of this structure is to prevent the iron filings from entering the interior of the turntable 10 from the gap existing at the junction of the arc surface of the turntable protective cover 1 and the turntable 10.
Example 3
On the basis of the embodiment 1 or 2, the machine tool turntable protecting device is made of metal sheet metal materials, and is not limited to stainless steel and stainless iron materials.
The circular caliber in the turntable protective cover 1 is larger, and the eccentric problem can not occur.
Example 4
On the basis of the embodiment 1, 2 or 3, as shown in fig. 4-5, the numerical control gear hobbing machine comprises a lathe bed 6, a chip groove 13, a large upright post 9, a small upright post 8, a tool rest, a turntable base 7 and a turntable 10, wherein the turntable base 7 is arranged on the lathe bed 6, a turntable is arranged on the turntable base 7, the lathe bed 6 is also provided with the small upright post 8 and the large upright post 9, the chip groove 13 is arranged in the lathe bed 6, a chip groove inclined surface 12 is arranged in the lathe bed 6, the end part of the lathe bed 6 is provided with the chip groove 11, the chip groove 11 stretches into the chip groove 13, when the machine tool turntable protecting device is used, the machine tool operates, the large upright post 9 drives the tool rest to perform radial feeding, and simultaneously drives the large upright post chip scraping plate structure 5 to move towards the direction of the turntable along the ridge plate group 1-2 of the turntable protecting cover 1; when a workpiece is machined, scrap iron falls on the surfaces of the turntable protective cover 1, the turntable support 2, the chip removal plate 4 and the large-column chip scraping plate structure 5, and the scrap iron accumulated on the surfaces can automatically slide down to the chip removal port 11 through the chip removal groove inclined surface 12 along with the increase of weight.
Specifically, the turntable base 7, the small upright post 8 and the large upright post 9 are connected to the lathe bed 6 through screws, and the turntable is connected to the turntable base 7 through screws; the circle center of the turntable protective cover 1 and the axis pair Ji Taoru of the turntable 10 are connected with the turntable 10 through screws when the turntable protective cover 1 and the turntable base 7 are in a plane alignment state; the chip removal plate 4 is respectively connected with the turntable protective cover 1 and the small upright post connecting plate 3 through screws; the turntable bracket 2 is arranged on the arc surface of the turntable through a screw; the large-column scraping plate structure 5 is arranged on the large column 9 through screws, and a scraping plate group of one side of the large-column scraping plate structure 5 close to the turntable is lapped on the ridge plate group 1-2 of the turntable protective cover 1, so that a scraping plate 5-3 of the scraping plate group of the large-column scraping plate structure 5 close to the turntable end is contacted with the ridge plate group 1-2 of the turntable protective cover 1.
Through dividing into two parts with revolving stage protection casing 1 and little stand connecting plate 3 and installing, the hole that emphasis on little stand connecting plate 3 is second waist type hole 321, but through the interval of second waist type hole 321 adjustable revolving stage protection casing 1 and little stand 8, and then the eccentric problem that produces when solving the installation of revolving stage protection casing 1.
As shown in fig. 5, the inclined surface 12 of the chip groove cast by the lathe bed 6 is gentle and rough in surface, the height difference between the surface of the lathe bed 6 where the turntable base 7 is located and the chip discharge opening 11 of the lathe bed 6 is small, so that the chip discharge effect is poor, the machining precision is further affected, high-temperature scrap iron is easy to be generated, heat stress generated by temperature is easily accumulated and transferred to the lathe bed 6, the final machining precision is affected, scrap iron is isolated from the lathe bed 6 through the chip plate 4, meanwhile, the angle formed by the chip plate 4 and the vertical surface of the chip discharge opening 11 is smaller, the inclined surface of the chip plate 4 is steeper, and the quick guiding function of the scrap iron is further realized.
The working principle is as follows:
the distance between the turntable protective cover 1 and the small upright post 8 can be adjusted through the second waist-shaped hole 321 in the installation process, so that the eccentric problem generated during the installation of the turntable protective cover 1 is solved. After the whole set of device is installed, the machine tool runs, the large upright post 9 drives the tool rest to carry out radial feeding, and simultaneously drives the large upright post chip scraping plate structure 5 to move along the ridge-shaped plate group 1-2 of the turntable protective cover 1 towards the direction of the turntable; when a workpiece is processed, scrap iron splashes and mostly falls on the surfaces of the turntable protective cover 1, the turntable support 2, the chip removal plate 4 and the large-column chip scraping plate structure 5, and a gap between the turntable protective cover 1 and the turntable is shielded by the turntable support 2 above the gap, so that high-temperature scrap iron cannot enter the turntable; the rotary table protective cover 1 is provided with an arc surface, an inclined surface, a chip removing plate 4 and scrap iron accumulated on the surface of the scrap scraping plate group of the large-column scrap scraping plate structure 5, and the scrap iron can automatically slide down to the chip removing port 11 along with the increase of weight, so that the influence of high-temperature scrap iron on the machining precision of a machine tool is avoided.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.

Claims (5)

1. The utility model provides a lathe revolving stage protector, its characterized in that includes revolving stage protection casing, revolving stage support, little stand connecting plate and big stand scraping plate structure, be provided with the revolving stage support that is used for installing the circular arc face of revolving stage on the revolving stage protection casing, the one end and the little stand connecting plate fixed connection of revolving stage protection casing and its other end and big stand scraping plate structure swing joint, big stand scraping plate structure is used for scraping the upper scrap iron of revolving stage protection casing;
one side of the turntable protective cover is also provided with a chip removing plate, one side of the chip removing plate is connected with one side of the turntable protective cover, the other side of the chip removing plate is connected with the small upright post connecting plate, and the chip removing plate is opposite to the turntable support;
the turntable protective cover comprises a cover body and a ridge plate group, the cover body is matched with a turntable central shaft, the ridge plate group is arranged on one side of the cover body, the ridge plate group comprises a first ridge structure, a second ridge structure and a third ridge structure, and the first ridge structure, the second ridge structure and the third ridge structure are arranged in parallel;
the large upright post scraping plate structure comprises a large upright post connecting plate used for being connected with a large upright post and a scraping plate group matched with the ridge plate group for use, and a gap is reserved between the scraping plate group and the ridge plate group;
the scraping plate group comprises a first scraping plate, a second scraping plate and a third scraping plate, wherein the first scraping plate is lapped on the first ridge structure, the second scraping plate is lapped on the second ridge structure, and the third scraping plate is lapped on the third ridge structure;
the scraping plates are connected to the tail ends of the first scraping plate, the second scraping plate and the third scraping plate through screws penetrating through the first waist-shaped holes respectively, and the tail ends of the three scraping plates are contacted with the first ridge-shaped structure, the second ridge-shaped structure and the third ridge-shaped structure respectively to scrape scrap iron;
the small upright post connecting plate comprises a first connecting plate and a second connecting plate which are perpendicular to each other, the first connecting plate is attached to the small upright post surface and is connected with the small upright post surface through a screw, a second waist-shaped hole is formed in the second connecting plate, a welding nut is arranged at the position opposite to the second waist-shaped hole on the turntable protecting cover, and the second connecting plate is connected with the turntable protecting cover through a screw penetrating through the second waist-shaped hole and fastened by the welding nut so as to adjust the distance between the turntable protecting cover and the small upright post surface.
2. The machine tool turret guard of claim 1, wherein the turret support is coaxially disposed with the turret, the turret support has a diameter greater than the turret diameter and is adapted to cover a gap between the turret and the turret shield, and the turret support has a diameter in the range of 4mm-12mm from the turret diameter.
3. The machine tool turret guard of claim 1, wherein three of the first kidney holes are used to adjust the distance between the first wiper and the first ridge structure, the second wiper and the second ridge structure, and the third wiper and the third ridge structure.
4. The machine tool turret guard of claim 1, wherein the machine tool turret guard is made of sheet metal material.
5. The numerical control gear hobbing machine comprises a machine body, a chip groove, a large upright post, a small upright post, a tool rest, a turntable base and a turntable, wherein the turntable base is arranged on the machine body, the turntable is arranged on the turntable base, the small upright post and the large upright post are also arranged on the machine body, the chip groove is arranged in the machine body, a chip groove inclined plane is arranged in the machine body, the end part of the machine body is provided with the chip groove, and the chip groove extends into the chip groove; when a workpiece is machined, scrap iron falls on the surfaces of the turntable protective cover, the turntable support, the scrap plates and the large-column scrap scraping plate structure, and the scrap iron accumulated on the surfaces can automatically slide to the scrap discharge port through the inclined plane of the scrap discharge groove along with the increase of weight.
CN202210101548.XA 2022-01-27 2022-01-27 Lathe revolving stage protector and numerical control gear hobbing machine Active CN114309826B (en)

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