CN114523326B

CN114523326B - Numerical control lathe with automatic auxiliary feeding function

Info

Publication number: CN114523326B
Application number: CN202210355503.5A
Authority: CN
Inventors: 万军
Original assignee: Langfang Fanda Pipe Co ltd
Current assignee: Langfang Fanda Pipe Co ltd
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2024-03-08
Anticipated expiration: 2042-04-06
Also published as: CN114523326A

Abstract

The invention relates to the technical field of numerically controlled lathes, in particular to a numerically controlled lathe with an automatic auxiliary feeding function, which can reduce the labor burden of workers during feeding and improve the feeding safety.

Description

Numerical control lathe with automatic auxiliary feeding function

Technical Field

The invention relates to the technical field of numerically controlled lathes, in particular to a numerically controlled lathe with an automatic auxiliary feeding function.

Background

The numerical control lathe is one of widely used numerical control lathes, can automatically process metal parts to be processed according to a processing program which is compiled in advance, and is widely used for cutting shaft parts or disc parts.

In the prior art, a numerical control lathe needs to fix a metal part to be processed on a clamping table in the use process, the operation is usually carried manually by a worker, in the actual operation process, if the situation that the volume of the metal part is overlarge and the quality is overlarge is encountered, the manual carrying and feeding operation is inconvenient, the risk of rolling off exists in the carrying and feeding process of the metal part, and personal injury to the worker is easy to cause.

Therefore, we propose a numerically controlled lathe with an automatic auxiliary feeding function to solve some problems in the prior art.

Disclosure of Invention

The invention aims to provide a numerical control lathe with an automatic auxiliary feeding function, so as to solve the problems that in the feeding process of the existing numerical control lathe provided in the background art, a manual conveying method is adopted, so that the labor intensity of workers is high, and metal parts roll off easily in the conveying process, so that personal injury is caused.

In order to achieve the above purpose, the present invention provides the following technical solutions: the numerical control lathe with the automatic auxiliary feeding function comprises two cross beams which are symmetrically arranged front and back, a lathe main body is fixedly arranged above the left ends of the two cross beams, clamping tables are arranged on the right end wall of the lathe main body, bases which are symmetrically arranged are fixedly arranged at the bottoms of the left ends and the right ends of the two cross beams, a main arm which is vertically arranged is arranged on the front face of a back cross beam, a screw rod is rotationally connected inside the main arm, a screw sleeve is sleeved on the outer side thread of the screw rod, a bracket is fixedly arranged on the front face of the screw sleeve, a first servo motor is fixedly arranged on the outer end wall of the upper end of the main arm, and a driving belt is connected between a driving shaft of the first servo motor and the screw rod in a driving way;

the top of bracket installs the material loading platform, and a plurality of through-holes have evenly been seted up at the top of material loading platform, the inside longitudinal sliding connection of material loading platform has the limiting plate, and a plurality of through-holes have also been seted up at the top of limiting plate, a plurality of through-holes internal activity that material loading platform and limiting plate top were seted up insert and are equipped with the bolt of vertical setting, the top of a plurality of bolts all extends to material loading platform top outside, a plurality of annular has evenly been seted up in proper order to the outer end wall top-down of every bolt, all fixedly connected with spring I between the bottom of every bolt and the bottom inner end wall of material loading platform, the right-hand member of limiting plate is fixed with permanent magnetic stripe I, and fixedly connected with a plurality of springs II between the left end of limiting plate and the left inner end wall of material loading platform, the bottom right side fixed mounting of main arm has with permanent magnetic stripe II of permanent magnetism looks.

Further, two base are each fixedly mounted with the first slide rail of vertical setting on the side end wall that is close to each other, and sliding connection has the slag pan between two slide rails one.

Further, a stop block arranged for a triangle structure is fixedly arranged in one end of the back of each first sliding rail, and a rubber pad is fixedly arranged at one end of the front of the stop block.

Further, the main arm is in transverse sliding connection with the beam positioned at the rear, and the feeding table is in longitudinal sliding connection with the bracket.

Further, the internal dimension of the ring groove is matched with the thickness of the limiting plate, and the top end of each bolt is embedded with a ball in a rolling way.

Further, a permanent magnetic strip III which is attracted with the permanent magnetic strip I in a magnetic way is arranged on the back surface of the upper end of the main arm.

Further, a second sliding rail fixedly connected with the main arm is arranged on the left side and the right side of the third permanent magnetic strip, the third permanent magnetic strip is in sliding connection with the second sliding rail, a threaded hole which is penetrated from front to back is formed in the middle position of the third permanent magnetic strip, and a bolt is connected with the internal threads of the threaded hole.

Further, the front of the main arm is provided with a frame placed on the ground, the front end and the rear end of the frame are respectively and rotatably connected with a conveying roller which is transversely arranged, a conveying belt is sleeved between the two conveying rollers in a transmission mode, a second servo motor is fixedly installed on the outer end wall of the frame, and a driving shaft of the second servo motor is fixedly connected with one of the conveying rollers.

Further, the frames are arranged in two, the two frames are arranged side by side left and right, the position of the conveying roller positioned at the rear is higher than that of the conveying roller positioned at the front, and the top of the conveying belt is provided with an upward inclined structure at one end of the back.

Further, rotate between two frames and be connected with a plurality of horizontal axostylus axostyles that set up, and the top fixed mounting of axostylus axostyle has the cardboard of vertical setting, and the end outside cover is equipped with torsion spring about the axostylus axostyle, and torsion spring's one end and the outer end wall fixed connection of frame, torsion spring's the other end and cardboard fixed connection, fixedly connected with and a plurality of cardboard openly mutually the gag lever post of laminating between two frames.

Compared with the prior art, the invention has the beneficial effects that:

(1) According to the technical scheme, the screw rod which is vertically arranged is rotationally connected inside the main arm, the threaded sleeve is sleeved on the outer side of the screw rod, the first servo motor is matched with the driving of the screw rod and the threaded sleeve, the device is favorable for automatically assisting a worker in feeding operation, the labor burden of the worker is effectively reduced, meanwhile, the first permanent magnet strip and the second permanent magnet strip are matched with the magnetism of the first permanent magnet strip and the second permanent magnet strip through penetrating holes formed in the tops of the feeding table and the limiting plate correspondingly, and the second spring is used for elastically pulling the limiting plate, so that each plug pin is limited in the rising process of the device, further, metal parts placed on the tops of the feeding table are limited, rolling of the metal parts is avoided, and the use safety of the device is improved to a certain extent;

(2) The slag receiving disc is arranged between the two bases, so that metal scraps generated in upper machining can be received, meanwhile, the slag receiving disc can slide back and forth through the first sliding rail, the position of the slag receiving disc can be conveniently adjusted according to use requirements, and the influence of the slag receiving disc on feeding operation during feeding is avoided;

(3) The stop block with the triangular structure is arranged in one end of the back of the first sliding rail, so that the sliding range of the slag pan can be limited, the collision between the slag pan and the main arm is avoided, and meanwhile, the rubber pad is arranged on the front of the stop block, so that the collision of the stop block to the slag pan during stopping can be slowed down, and the use stability of the device is improved;

(4) The main arm is transversely and slidably connected to the front of the rear cross beam, and the feeding table is longitudinally and slidably connected to the top of the bracket, so that the feeding table can be relatively adjusted in the left-right direction and the front-rear direction, and convenience in mounting after placing metal parts on the feeding table is improved;

(5) Through setting up the inside size of annular and the thickness looks adaptation of limiting plate for when the limiting plate removed, its through-hole position department can more stable block in the annular is inside, is favorable to guaranteeing the stability to the bayonet lock restriction when the limiting plate removed, simultaneously, through rolling the ball and installing on the top of bolt, is favorable to reducing the frictional resistance between metal part and the bolt top, can promote the convenience of moving in the installation behind the metal part material loading;

(6) Through installing the third permanent magnet strip on the back surface of the upper end of the main arm, when the feeding table moves to the upper position, the magnetism of the first permanent magnet strip of the third pair of permanent magnet strips is attracted down, so that the limiting plate moves backwards, the through hole in the limiting plate exits from the inside of the annular groove, unlocking of the bolt is realized, the bolt can flexibly move up and down, the blocking of the bolt during installation after feeding of metal parts is avoided, and the using convenience of the device is effectively improved;

(7) The position of the permanent magnet strip III can be flexibly adjusted according to the requirement in use by connecting the permanent magnet strip III between the two sliding rails II in a sliding way, the movement of the limiting plate is flexibly triggered according to the requirement in use, the use flexibility of the device is effectively improved, and meanwhile, the position of the permanent magnet strip III is conveniently fixed by rotating the bolt by connecting the bolt in the threaded hole in the middle position of the permanent magnet strip III, so that the operation convenience of the device is effectively improved;

(8) The frame is arranged in front of the lower end of the main arm, and metal parts can be conveyed to the feeding table at the bottom of the cross beam from the outside by means of conveying of the inner conveying belt, so that convenience in conveying the metal parts to the top of the feeding table by workers is improved;

(9) The rear end of the conveying belt is arranged to be of an upward inclined structure, the height of one end of the front side of the conveying belt is guaranteed to be lower, convenience in transferring metal parts onto the conveying belt by workers can be improved, meanwhile, the conveying belt with the rear end lifted is beneficial to transferring metal from the conveying belt to the top of the feeding table, and convenience in use of the device is improved to a certain extent;

(10) Through establish torsion spring cover on the end about the axostylus axostyle to with torsion spring's both ends respectively with frame and cardboard fixed connection, make a plurality of cardboard elastic rotation connect between two frames, simultaneously, with the help of the restriction of gag lever post, make a plurality of cardboard normal conditions keep vertical state down, then can rotate backward after receiving external force to promote, be favorable to restricting it in the conveyer belt to the metal part handling, further promoted the loading stability of device.

Description of the drawings:

in order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a rear perspective view of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is a side cross-sectional view of the present invention;

FIG. 6 is a schematic diagram of the structure at A in FIG. 5;

FIG. 7 is a structural exploded view of the interior of the loading table of the present invention;

FIG. 8 is a perspective view of a latch of the present invention;

FIG. 9 is a perspective view of the frame of the present invention;

fig. 10 is a schematic diagram of the structure at B in fig. 9.

In the figure: 1. a cross beam; 101. a lathe body; 102. a clamping table; 103. a base; 104. a first slide rail; 105. a slag receiving disc; 106. a stop block; 2. a main arm; 201. a screw; 202. a screw sleeve; 203. a bracket; 204. a servo motor I; 205. a drive belt; 3. a feeding table; 301. a limiting plate; 302. a plug pin; 303. a ring groove; 304. a ball; 305. a first spring; 306. a permanent magnetic strip I; 307. a second spring; 308. a permanent magnetic strip II; 4. a permanent magnetic strip III; 401. a second slide rail; 402. a bolt; 5. a frame; 501. a conveying roller; 502. a conveyor belt; 503. a servo motor II; 504. a shaft lever; 505. a clamping plate; 506. a torsion spring; 507. and a limit rod.

The specific embodiment is as follows:

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

In the description of the present invention, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-10, an embodiment of the present invention is provided: the numerical control lathe with the automatic auxiliary feeding function comprises two cross beams 1 which are symmetrically arranged front and back, wherein a lathe main body 101 is fixedly arranged above the left ends of the two cross beams 1, clamping tables 102 are arranged on the right end wall of the lathe main body 101, bases 103 which are symmetrically arranged are fixedly arranged at the bottoms of the left end and the right end of the two cross beams 1, a main arm 2 which is vertically arranged is arranged on the front surface of a back cross beam 1, a screw 201 is rotationally connected to the inside of the main arm 2, a screw sleeve 202 is sleeved on the outer side threads of the screw 201, a bracket 203 is fixedly arranged on the front surface of the screw sleeve 202, a first servo motor 204 is fixedly arranged on the outer end wall of the upper end of the main arm 2, and a driving belt 205 is in transmission connection between a driving shaft of the first servo motor 204 and the screw 201;

the top of the bracket 203 is provided with a feeding table 3, the top of the feeding table 3 is uniformly provided with a plurality of through holes, the inside of the feeding table 3 is longitudinally and slidably connected with a limit plate 301, the top of the limit plate 301 is also provided with a plurality of through holes, a plurality of vertically arranged bolts 302 are movably inserted into the plurality of through holes formed in the tops of the feeding table 3 and the limit plate 301, the top ends of the bolts 302 are extended to the outer side above the feeding table 3, the outer end wall of each bolt 302 is sequentially and uniformly provided with a plurality of ring grooves 303 from top to bottom, a first spring 305 is fixedly connected between the bottom end of each bolt 302 and the bottom inner end wall of the feeding table 3, the right end of the limit plate 301 is fixedly provided with a first permanent magnetic strip 306, the right end of the first permanent magnetic strip 306 is attached to the right inner end wall of the feeding table 3, a plurality of springs 307 are fixedly connected between the left end of the limit plate 301 and the left inner end wall of the feeding table 3, and the right side of the bottom end of the main arm 2 is fixedly provided with a second permanent magnetic strip 308 magnetically attracted with the first permanent magnetic strip 306.

Referring to fig. 5-6, when the device works, a worker connects the device to an external power supply through a wire, so that the external power supply provides power support for the device, then, the worker controls the device to be electrified and started, in an initial state, the bottom of the bracket 203 is attached to the ground, so that the feeding table 3 is arranged at a lower position, the worker conveniently carries a metal part to be processed to the top of the feeding table 3, at the moment, under the action of the gravity downward pressing of the metal part, a bolt 302 at the bottom of the metal part moves downward, other bolts 302 which are not pressed still keep an out state, then, a servo motor 204 arranged at the outer side of the upper end of the main arm 2 is electrified and started, and drives the screw 201 to rotate through the transmission connection of the transmission belt 205, and the screw 201 and the screw 202 are driven to drive the bracket 203 by virtue of threads between the screw 201 and the screw sleeve 202, and the feeding table 3 on the bracket 203 are lifted, and the metal part is driven to be lifted in the lifting process of the feeding table 3.

When the feeding table 3 ascends, the first permanent magnet bar 306 installed inside the feeding table is separated from the second permanent magnet bar 308 on the back of the lower end of the main arm 2 in a staggered manner, the first permanent magnet bar 306 loses the force of magnetic attraction backwards, at the moment, the limiting plate 301 is pulled forwards under the elastic reset of the second spring 307, the inner through holes of the limiting plate 301 are clamped in the annular grooves 303 formed in the outer end walls of the pins 302, the positions of the pins 302 are limited, the pins 302 are limited through the outer sides of metal parts, the pins 302 which extend outwards are limited in the lifting process, the metal parts are prevented from rolling off, the first screw 201 and the second screw 201 are connected in a rotating manner, the threaded sleeve 202 is sleeved on the outer side of the screw 201, the driving of the first screw 201 and the threaded sleeve 202 is matched, the device is beneficial to automatically assisting a worker in feeding operation, the labor burden of the worker is effectively reduced, meanwhile, the pins 302 are inserted into the corresponding through holes formed in the tops of the feeding table 3 and the limiting plate 301, the first permanent magnet bar 306 and the second permanent magnet bar 302 are matched with the second permanent magnet bar 302, the magnetic bar 308 is prevented from being placed on the magnetic strip 301, and the magnetic strip is prevented from rolling off the magnetic strip 302 is prevented from being placed on the upper side of the lifting device, and the magnetic strip is prevented from being lifted by the magnetic strip device to be in the lifting process.

Referring to fig. 1, a first slide rail 104 is fixedly mounted on an end wall of one side, close to each other, of the two bases 103, a slag receiving disc 105 is slidably connected between the first slide rail 104, and when the device is in operation, metal scraps generated in the upper processing can be received by arranging the slag receiving disc 105 between the two bases 103, meanwhile, the slag receiving disc 105 can slide back and forth through the first slide rail 104, so that the position of the slag receiving disc 105 can be conveniently adjusted according to use requirements, and the influence of the slag receiving disc 105 on feeding operation during feeding is avoided.

Referring to fig. 2, a stop block 106 arranged for a triangle structure is fixedly installed inside one end of the back of each slide rail one 104, and a rubber pad is fixedly installed at one end of the front of the stop block 106.

Referring to fig. 4-5, the main arm 2 is in sliding connection with the rear beam 1 transversely, and the loading platform 3 is in sliding connection with the bracket 203 longitudinally.

Referring to fig. 6 and 8, the inner dimension of the ring groove 303 is adapted to the thickness of the limiting plate 301, and the top end of each bolt 302 is rolled and embedded with a ball 304.

Referring to fig. 2 and 5, a permanent magnetic strip three 4 magnetically attracted to a permanent magnetic strip one 306 is mounted on the back of the upper end of the main arm 2, and when the device works, the permanent magnetic strip three 4 is mounted on the back of the upper end of the main arm 2, after the feeding table 3 moves to the upper position, the magnetism of the permanent magnetic strip one 306 is attracted to the permanent magnetic strip three 4, so that the limiting plate 301 moves backwards, the through hole in the limiting plate 301 is withdrawn from the ring groove 303, unlocking of the latch 302 is realized, the latch 302 can flexibly move up and down, the latch 302 is prevented from being blocked when the device is mounted after metal parts are fed, and the using convenience of the device is effectively improved.

Referring to fig. 2, two sliding rails 401 fixedly connected with the main arm 2 are installed on the left side and the right side of the third permanent magnetic strip 4, the third permanent magnetic strip 4 is in sliding connection with the two sliding rails 401, a threaded hole penetrating front and back is formed in the middle position of the third permanent magnetic strip 4, and a bolt 402 is connected to the internal threads of the threaded hole.

Referring to fig. 3 and 5, the front surface of the main arm 2 is provided with a frame 5 placed on the ground, the front end and the rear end of the frame 5 are respectively connected with a conveying roller 501 in a rotating manner, a conveying belt 502 is sleeved between the two conveying rollers 501 in a transmission manner, a second servo motor 503 is fixedly installed on the outer end wall of the frame 5, and a driving shaft of the second servo motor 503 is fixedly connected with one of the conveying rollers 501.

Referring to fig. 9, two frames 5 are provided, two frames 5 are arranged side by side, the position of a conveying roller 501 positioned at the rear is higher than that of a conveying roller 501 positioned at the front, the top of a conveying belt 502 is set to be of a structure with one end of the back inclined upwards.

Referring to fig. 9-10, a plurality of transversely arranged shafts 504 are rotatably connected between two frames 5, clamping plates 505 are fixedly arranged above the shafts 504, torsion springs 506 are sleeved outside left and right ends of the shafts 504, one ends of the torsion springs 506 are fixedly connected with outer end walls of the frames 5, the other ends of the torsion springs 506 are fixedly connected with the clamping plates 505, limiting rods 507 which are attached to the front surfaces of the clamping plates 505 are fixedly connected between the two frames 5, and when the device works, the torsion springs 506 are sleeved on the left and right ends of the shafts 504, two ends of the torsion springs 506 are fixedly connected with the frames 5 and the clamping plates 505 respectively, so that the clamping plates 505 are elastically and rotatably connected between the two frames 5, meanwhile, the clamping plates 505 are kept in a vertical state in a normal state by means of limitation of the limiting rods 507, and can be rotated backwards after being pushed by external force, so that the clamping plates are limited in a conveying belt 502 in a metal part conveying process, and the feeding stability of the device is further improved.

The above is the whole working principle of the invention.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Numerical control lathe with automatic auxiliary feeding function, including two crossbeams (1) that the symmetry set up around, two lathe main part (101) are installed to left end top fixed mounting of crossbeam (1), and install centre gripping platform (102) on the right-hand member wall of lathe main part (101), two both ends bottom fixed mounting has base (103) that the symmetry set up, its characterized in that about crossbeam (1): the front of the beam (1) positioned on the back is provided with a main arm (2) which is vertically arranged, the inside of the main arm (2) is rotationally connected with a screw rod (201), the outer side of the screw rod (201) is in threaded connection with a threaded sleeve (202), the front of the threaded sleeve (202) is fixedly provided with a bracket (203), the outer end wall of the upper end of the main arm (2) is fixedly provided with a first servo motor (204), and a driving belt (205) is in transmission connection between a driving shaft of the first servo motor (204) and the screw rod (201);

the top of bracket (203) is installed material loading platform (3), and a plurality of through-holes have evenly been seted up at the top of material loading platform (3), the inside vertical sliding connection of material loading platform (3) has limiting plate (301), and a plurality of through-holes have likewise been seted up at the top of limiting plate (301), a plurality of through-holes internal activity that material loading platform (3) and limiting plate (301) top were seted up are inserted and are equipped with bolt (302) of vertical setting, and a plurality of the top of bolt (302) all extends to material loading platform (3) top outside, every a plurality of annular (303) have evenly been seted up in proper order to the outer end wall top-down of bolt (302), every equal fixedly connected with spring (305) between the bottom of bolt (302) and the bottom inner end wall of material loading platform (3), the right-hand member fixed mounting of limiting plate (301) has permanent magnetism strip one (306), and permanent magnetism strip one (306) right-hand member and the right side inner end wall of material loading platform (3) are equipped with two permanent magnetism strip (307) and are equipped with two fixed mounting between permanent magnetism strip (308).

2. The numerically controlled lathe with an automatic auxiliary feeding function according to claim 1, wherein: two base (103) each other press close to one side end wall on all fixed mounting have the slide rail one (104) of vertical setting, two sliding connection has between slide rail one (104) and connects slag pan (105).

3. The numerically controlled lathe with automatic auxiliary feeding function according to claim 2, wherein: a stop block (106) which is arranged in a triangular structure is fixedly arranged in one end of the back of each first sliding rail (104), and a rubber pad is fixedly arranged at one end of the front of the stop block (106).

4. The numerically controlled lathe with an automatic auxiliary feeding function according to claim 1, wherein: the main arm (2) is transversely and slidably connected with the rear cross beam (1), and the feeding table (3) is longitudinally and slidably connected with the bracket (203).

5. The numerically controlled lathe with an automatic auxiliary feeding function according to claim 1, wherein: the inner size of the ring groove (303) is matched with the thickness of the limiting plate (301), and the top end of each bolt (302) is embedded with a ball (304) in a rolling mode.

6. The numerically controlled lathe with an automatic auxiliary feeding function according to claim 1, wherein: and a permanent magnetic strip III (4) magnetically attracted with the permanent magnetic strip I (306) is arranged on the back surface of the upper end of the main arm (2).

7. The numerically controlled lathe with automatic auxiliary feeding function according to claim 6, wherein: the left side and the right side of the permanent magnet strip III (4) are provided with a second sliding rail (401) fixedly connected with the main arm (2), the permanent magnet strip III (4) is in sliding connection with the second sliding rail (401), the middle position of the permanent magnet strip III (4) is provided with a threaded hole which is penetrated from front to back, and the internal thread of the threaded hole is connected with a bolt (402).

8. The numerically controlled lathe with an automatic auxiliary feeding function according to claim 1, wherein: the front of main arm (2) is provided with frame (5) of placing subaerial, and the front and back end of frame (5) all rotates and is connected with horizontal conveying roller (501) that set up, two the transmission has cup jointed conveyer belt (502) between conveying roller (501), fixed mounting has servo motor two (503) on the outer end wall of frame (5), and the drive shaft and one of them conveying roller (501) fixed connection of servo motor two (503).

9. The numerically controlled lathe with automatic auxiliary feeding function according to claim 8, wherein: the two frames (5) are arranged side by side, the position of the conveying roller (501) positioned at the rear is higher than that of the conveying roller (501) positioned at the front, and the top of the conveying belt (502) is of a structure with one end of the back inclined upwards.

10. The numerically controlled lathe with automatic auxiliary feeding function according to claim 9, wherein: two rotate between frame (5) be connected with a plurality of horizontal axostylus axostyles (504) that set up, and the top fixed mounting of axostylus axostyle (504) has cardboard (505) of vertical setting, the cover is equipped with torsion spring (506) in the end outside about axostylus axostyle (504), and the one end and the outer end wall fixed connection of frame (5) of torsion spring (506), the other end and cardboard (505) fixed connection of torsion spring (506), two fixedly connected with between frame (5) and a plurality of cardboard (505) openly gag lever post (507) of laminating mutually.