CN113579266B

CN113579266B - Precision finishing's numerical control lathe

Info

Publication number: CN113579266B
Application number: CN202110944682.1A
Authority: CN
Inventors: 林平; 孙耀武; 王君臣; 李素坤; 杨欢
Original assignee: Zhejiang Gravity Intelligent Equipment Co ltd
Current assignee: Zhejiang Gravity Intelligent Equipment Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-07-15
Anticipated expiration: 2041-08-17
Also published as: CN113579266A

Abstract

The invention discloses a precision machining numerical control lathe, which belongs to the field of numerical control lathes and realizes that a main motor drives a main shaft body to rotate after being decelerated by a motor belt wheel, a synchronous belt and the main shaft belt wheel, stepless speed change is realized, heat generated by the motion of the main shaft body promotes ammonium chloride powder to be heated and decomposed into hydrogen chloride gas and ammonia gas, an elastic balloon is driven to expand and extrude a flexible heat absorption pad to bend, meanwhile, the elastic balloon expands to drive a magnetic rod to be close to a magnetic plate, an elastic telescopic pipe and the magnetic plate are driven to extend out through repulsive force, a deformation memory spring is heated and extended to drive the magnetic plate to expand, sufficient adsorption of scrap iron is realized, the interference of the scrap iron on the rotation of the main shaft body is avoided, the temperature in the main shaft body is reduced along with the cooling liquid in the bending flexible pipe and the heat of the ammonium chloride powder is desorbed, the temperature in the main shaft body is reduced, and the influence of the lubrication in the main shaft body caused by overhigh temperature is avoided, the interference to the rotation of the main shaft body is reduced, and the precision is improved.

Description

Numerically controlled lathe for precision machining

Technical Field

The invention relates to the field of numerically controlled lathes, in particular to a precisely machined numerically controlled lathe.

Background

The numerically controlled lathe is an automatic lathe with program control system, which can logically process the program defined by control code or other symbolic instruction, decode it, use coded digital representation, input it into numerically controlled device by means of information carrier, and make the numerically controlled device give out various control signals to control the action of lathe, and automatically machine the parts according to the required shape and size of drawing.

In the prior art, in the machining process of the numerical control lathe, splashed scrap iron easily enters a main shaft box to influence the transmission of a main shaft in the main shaft box, so that the machining precision of the numerical control lathe is reduced, the quality of a product is influenced, and the machining efficiency is greatly reduced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a precision machining numerical control lathe which can realize that a main motor drives a main shaft body to rotate after being decelerated through a motor belt wheel, a synchronous belt and the main shaft belt wheel, stepless speed change is realized, heat generated by the motion of the main shaft body promotes ammonium chloride powder to be heated and decomposed into hydrogen chloride gas and ammonia gas to drive an elastic balloon to expand and extrude a flexible heat absorption pad to bend, meanwhile, the elastic balloon expands to drive a magnetic rod to be close to a magnetic plate, an elastic telescopic pipe and the magnetic plate are driven to extend out through repulsive force, a deformation memory spring is heated and extended to drive the magnetic plate to expand, sufficient adsorption of scrap iron is realized, the interference of the scrap iron on the rotation of the main shaft body is avoided, the temperature in the main shaft box is reduced along with the cooling liquid in the bending flexible pipe and the desorption heat of the ammonium chloride powder, the temperature in the main shaft box is reduced, and the influence of the lubrication in the main shaft box caused by overhigh temperature is avoided, the interference to the rotation of the main shaft body is reduced, and the precision is improved.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A numerically controlled lathe for precision machining comprises a lathe body, wherein a main motor is installed on the inner side wall of the lathe body, a motor belt wheel is rotatably connected to the inner side wall of the lathe body, an output shaft of the main motor is fixedly connected with the left end of the motor belt wheel, a main shaft box body is fixedly connected to the inner side wall of the lathe body, a main shaft body is installed in the main shaft box body, a main shaft belt wheel is fixedly connected to the left end of the main shaft body, a synchronous belt is connected between the motor belt wheel and the main shaft belt wheel in a meshed mode, a brake disc is installed at the left end of the main shaft belt wheel, a rotary gland is installed at the left end of the brake disc, a hydraulic chuck is fixedly connected to the right end of the main shaft box body, a hydraulic tailstock is installed on the inner side wall of the lathe body, a tailstock guide rail is installed at the outer end of the hydraulic tailstock, a large slide carriage is slidably connected to the outer end of the tailstock guide rail, and a transverse slide carriage is fixedly connected to the outer end of the large slide carriage, the upside of violently the carriage apron is equipped with the feed motor, the output of feed motor and the upper end fixed connection of violently the carriage apron, servo tool turret is installed to the outer end of violently the carriage apron, servo tool turret is located hydraulic chuck's right side, can realize passing through motor band pulley, hold-in range and main shaft band pulley by main motor and drive the main shaft body after slowing down and rotate, realizes infinitely variable speed, and hydraulic chuck can realize carrying out the centre gripping to the work piece fixedly, and the holding is stable, and hydraulic pressure tailstock drives servo tool turret through big carriage apron and moves on the tailstock guide rail, makes things convenient for servo tool turret to the processing of work piece.

Furthermore, a plurality of uniformly distributed mounting holes are chiseled at the inner bottom end of the spindle box body, an elastic ball bag is fixedly connected between the inner side walls of the mounting holes, ammonium chloride powder is filled in the elastic ball bag, two magnetic rods which are bilaterally symmetrical are arranged in the elastic ball bag, a telescopic mechanism is arranged between the outer ends of the magnetic rods and the inner side wall of the elastic ball bag, a flexible heat absorption pad is fixedly connected between the inner side walls of the mounting holes, the lower end of the flexible heat absorption pad is fixedly connected with the upper end of the elastic ball bag, a plurality of uniformly distributed chip absorption balls are fixedly connected with the upper end of the flexible heat absorption pad, an elastic telescopic pipe is fixedly connected with the inner bottom end of the chip absorption ball, a jacking block is fixedly connected with the upper end of the elastic telescopic pipe, two magnetic plates which are bilaterally symmetrical are rotatably connected with the outer end of the jacking block, and a deformation memory spring is fixedly connected between the magnetic plates and the jacking block, the outer end of the magnetic plate is fixedly connected with an impact block which is contacted with the ejecting block, the inner side wall of the chip suction ball is fixedly connected with a plurality of uniformly distributed superfine fibers, the inner top end of the chip suction ball is provided with an opening, an extrusion valve is fixedly connected between the inner side walls of the openings, in the spindle box body, the spindle body rotates to operate to drive the temperature inside the spindle body to rise, ammonium chloride powder in the elastic ball bag is heated and decomposed into hydrogen chloride gas and ammonia gas, the elastic ball bag is driven to expand, the telescopic mechanism drives the magnetic rod to move upwards along with the expansion of the elastic ball bag, the elastic ball bag expands to drive the flexible heat absorption pad to bend, the chip suction ball extends into the spindle box body, and the magnetic rod is close to strengthen the repulsive force borne by the magnetic plate to drive the elastic telescopic tube to extend to match the ejecting block to eject the extrusion valve, move to the outside of inhaling the bits ball, magnetic action through the magnetic sheet adsorbs iron fillings, and because the inside temperature of main shaft box is higher, it takes place deformation to drive deformation memory spring to be heated, extend, it expandes to drive the magnetic sheet, increase the contact surface of magnetic sheet and iron fillings, reinforcing adsorption effect, avoid iron fillings to cause the influence to the rotation of main shaft body, the precision is improved, and along with rotating the end, after the temperature reduction, the flexible pipe of elasticity shrink, it falls back to inhaling in the bits ball to drive the magnetic sheet, and because the temperature reduces, deformation memory spring resets, the magnetic sheet draws in, impel the collision piece to touch with the top movable block, vibration through touching production, make iron fillings fall to the superfine fiber on.

Further, telescopic machanism is including a straight section of thick bamboo, be equipped with the carriage release lever in the straight section of thick bamboo, fixedly connected with pulling force rope between the lower extreme of carriage release lever and the interior bottom end of elasticity sacculus, the through-hole has been opened to the interior top of a straight section of thick bamboo, the upper end of carriage release lever is passed through-hole and the interior top end fixed connection of elasticity sacculus, both ends are close to one end fixed connection each other with two magnetic poles respectively about the carriage release lever, two the one end that the magnetic pole kept away from each other is fixedly connected with sieve board respectively, the sieve mesh that has a plurality of evenly distributed is opened and chiseled to the outer end of sieve board, and along with the inflation of elasticity sacculus, drives the carriage release lever upward movement, and the carriage release lever drives the magnetic pole upward movement, is close to the magnetic board, and sieve board also along with magnetic pole upward movement together, and the ammonium chloride powder is broken up it for its reaction efficiency.

Further, the inside of flexible heat absorption pad is hollow setting, the crooked hose of fixedly connected with between the inside wall of flexible heat absorption pad, crooked hose packing has the coolant liquid, equal fixedly connected with a plurality of evenly distributed's heat conduction fibre between the upper and lower both ends of crooked hose and the interior top and the interior bottom of flexible heat absorption pad, the crooked flexible pipe of drive of flexible heat absorption pad takes place to be crooked, make its inside coolant liquid take place to flow, cooperation heat conduction fibre's heat conduction effect, can effectually absorb the heat in the main shaft box, ammonium chloride powder decomposes into hydrogen chloride gas and ammonia simultaneously, is a heat absorption process, mutually supports with it, can the inside temperature of effectual reduction main shaft box, avoid the high temperature to cause the influence to the lubrication of the internal portion of main shaft box, reduce the interference that causes the rotation of the main shaft body, improve the precision.

Furthermore, the end that magnetic pole and magnetic sheet are close to each other is the N utmost point setting, through the homopolar setting of the one end that magnetic pole and magnetic sheet are close to each other, can produce repulsion, repels the outward movement of magnetic sheet, moves to the outside of inhaling the bits ball.

Furthermore, the outer end of the elastic telescopic pipe is arranged in a corrugated shape, and the corrugated shape of the elastic telescopic pipe is arranged, so that the elastic telescopic pipe is driven to rapidly extend under the action of repulsive force and moves to the outer side of the chip suction ball.

Further, the shape memory spring adopts shape memory alloy material to make, the initial condition of shape memory spring is the contraction state, and shape memory alloy has the memory function, and along with the temperature rising, shape memory spring takes place to deform, extends, drives the magnetic sheet and expandes, increases the contact surface of magnetic sheet and iron fillings, reinforcing adsorption effect.

Furthermore, the extrusion valve is in a folded state when not extruded, the extrusion valve is in an open state when extruded, the extrusion valve is in a folded state initially, the extrusion valve is pushed open to be in the open state under the action of the magnetic repulsive force of the elastic telescopic pipe and the pushing block, and the extrusion valve returns to the folded state after the extrusion force is lost.

Furthermore, the outer surface of the chip suction ball is coated with a heat insulation coating, and the heat insulation coating can isolate heat from entering the chip suction ball, so that the deformation memory spring falling back into the chip suction ball is reset after the temperature is reduced.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

the proposal realizes that the main motor drives the main shaft body to rotate after speed reduction through the motor belt wheel, the synchronous belt and the main shaft belt wheel, realizes stepless speed change, and the heat generated by the movement of the main shaft body promotes the ammonium chloride powder to be heated and decomposed into hydrogen chloride gas and ammonia gas, drives the elastic saccule to expand and extrude the flexible heat absorption pad to bend, meanwhile, the elastic saccule expands to drive the magnetic rod to be close to the magnetic plate, the elastic extension tube and the magnetic plate are driven to extend out through the repulsive force, and the deformation memory spring is heated and extended to drive the magnetic plate to be unfolded, so that the iron chips are fully adsorbed, the interference of the iron chips on the rotation of the main shaft body is avoided, and along with the cooling liquid cooling and cooling in the bending hose and the ammonium chloride powder desorption heat, the temperature in the main shaft box is reduced, the influence of overhigh temperature on the lubrication inside the main shaft box body is avoided, the interference on the rotation of the main shaft body is reduced, and the precision is improved.

Drawings

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

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic side sectional view of the main shaft housing according to the present invention;

FIG. 4 is a partial sectional view of the mounting hole of the present invention;

FIG. 5 is a schematic view of the flexible heat absorption pad of the present invention when it is bent;

FIG. 6 is a schematic perspective view of a sieve plate according to the present invention;

FIG. 7 is a schematic cross-sectional view of a crumb absorbing ball according to the present invention;

fig. 8 is an enlarged schematic view of a portion a in fig. 7.

The numbering in the figures illustrates:

1. a bed body; 2. a main motor; 3. rotating the gland; 4. a motor pulley; 5. a brake disc; 6. a main shaft pulley; 7. a synchronous belt; 8. a main shaft box body; 9. a main shaft body; 10. a hydraulic chuck; 11. servo tool turret; 12. a feed motor; 13. a horizontal slide carriage; 14. a large slide carriage; 15. a tailstock guide rail; 16. a hydraulic tailstock; 17. an elastic balloon; 18. a magnetic rod; 19. a flexible heat absorbing pad; 20. bending the hose; 21. a thermally conductive fiber; 22. chip suction balls; 23. an elastic telescopic pipe; 24. pushing the moving block; 25. a magnetic plate; 26. a deformation memory spring; 27. a collision mass; 28. squeezing the valve; 29. superfine fiber; 30. a straight cylinder; 31. a travel bar; 32. a tension rope; 33. a screening plate; 34. and (7) installing holes.

Detailed Description

The drawings in the embodiments of the invention will be incorporated below; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person of ordinary skill in the art without making any creative effort; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Example (b):

referring to fig. 1-2, a numerically controlled lathe for precision machining includes a lathe bed 1, a main motor 2 is mounted on the inner side wall of the lathe bed 1, a motor pulley 4 is rotatably connected to the inner side wall of the lathe bed 1, an output shaft of the main motor 2 is fixedly connected to the left end of the motor pulley 4, a spindle box 8 is fixedly connected to the inner side wall of the lathe bed 1, a spindle body 9 is mounted in the spindle box 8, a spindle pulley 6 is fixedly connected to the left end of the spindle body 9, a synchronous belt 7 is engaged and connected between the motor pulley 4 and the spindle pulley 6, a brake disc 5 is mounted at the left end of the spindle pulley 6, a rotary gland 3 is mounted at the left end of the brake disc 5, a hydraulic chuck 10 is fixedly connected to the right end of the spindle box 8, a hydraulic pressure 16 is mounted on the inner side wall of the lathe bed 1, a tailstock guide rail 15 is mounted at the outer end of the hydraulic pressure 16, a large tailstock guide rail 14 is slidably connected to the outer end of the tailstock guide rail 15, horizontal carriage 13 of outer end fixedly connected with of big carriage 14, the upside of horizontal carriage 13 is equipped with feed motor 12, feed motor 12's output and the upper end fixed connection of horizontal carriage 13, servo tool turret 11 is installed to horizontal carriage 13's outer end, servo tool turret 11 is located the right side of hydraulic chuck 10, can realize passing through motor band pulley 4 by main motor 2, drive the main shaft body 9 and rotate after hold-in range 7 and the speed reduction of main shaft band pulley 6, realize infinitely variable speed, and hydraulic chuck 10 can realize carrying out the centre gripping to the work piece and fix, and is kept stable, hydraulic tailstock 16 drives servo tool turret 11 through big carriage 14 and removes on tailstock guide rail 15, make things convenient for servo tool turret 11 to the processing of work piece.

Referring to fig. 3-8, a plurality of mounting holes 34 are drilled at an inner bottom end of the spindle box 8, an elastic balloon 17 is fixedly connected between inner side walls of the mounting holes 34, ammonium chloride powder is filled in the elastic balloon 17, two magnetic rods 18 are symmetrically arranged in the elastic balloon 17, a telescopic mechanism is arranged between outer ends of the magnetic rods 18 and the inner side wall of the elastic balloon 17, a flexible heat-absorbing pad 19 is fixedly connected between inner side walls of the mounting holes 34, a lower end of the flexible heat-absorbing pad 19 is fixedly connected with an upper end of the elastic balloon 17, a plurality of chip-absorbing balls 22 are uniformly arranged at an upper end of the flexible heat-absorbing pad 19, an elastic telescopic tube 23 is fixedly connected to the inner bottom end of the chip-absorbing ball 22, an ejector block 24 is fixedly connected to an upper end of the elastic telescopic tube 23, two magnetic plates 25 are rotatably connected to an outer end of the ejector block 24, and are symmetrically arranged in a left-right direction, a deformation memory spring 26 is fixedly connected between the magnetic plates 25 and the ejector block 24, the outer end of the magnetic plate 25 is fixedly connected with an impact block 27, the impact block 27 is in contact with a pushing block 24, the inner side wall of the chip suction ball 22 is fixedly connected with a plurality of uniformly distributed superfine fibers 29, the inner top end of the chip suction ball 22 is provided with a through hole, an extrusion valve 28 is fixedly connected between the inner side walls of the through holes, in the main shaft box body 8, the main shaft body 9 rotates to operate to drive the temperature inside the main shaft body to rise, ammonium chloride powder in the elastic ball bag 17 is enabled to be heated and decomposed into hydrogen chloride gas and ammonia gas, the elastic ball bag 17 is driven to expand, the expansion mechanism drives the magnetic rod 18 to move upwards along with the expansion of the elastic ball bag 17, the elastic ball bag 17 expands to drive the flexible heat absorption pad 19 to bend, the chip suction ball 22 extends into the main shaft box body 8, the repulsive force borne by the magnetic plate 25 is enhanced due to the approach of the magnetic rod 18, the magnetic plate 25 is enabled to drive the elastic expansion pipe 23 to extend, and the extrusion valve 28 is pushed by the pushing block 24, move to the outside of inhaling bits ball 22, magnetic action through magnetic sheet 25 adsorbs iron fillings, and because the inside temperature of main shaft box 8 is higher, it is deformed to drive deformation memory spring 26 to be heated, extend, drive magnetic sheet 25 and expand, increase the contact surface of magnetic sheet 25 and iron fillings, reinforcing adsorption effect, avoid iron fillings to cause the influence to the rotation of main shaft box 9, the precision is improved, and along with rotating the end, after the temperature reduction, the flexible pipe of elasticity 23 contracts, drive magnetic sheet 25 and fall back to in inhaling bits ball 22, and because the temperature reduces, deformation memory spring 26 resets, magnetic sheet 25 draws in, impel collision piece 27 and 24 touching of top movable block, through the vibration that the touching produced, make iron fillings fall to superfine fiber 29 on.

Referring to fig. 4-6, the telescopic mechanism includes a straight cylinder 30, a moving rod 31 is disposed in the straight cylinder 30, a tension rope 32 is fixedly connected between a lower end of the moving rod 31 and an inner bottom end of the elastic balloon 17, a through hole is drilled at an inner top end of the straight cylinder 30, an upper end of the moving rod 31 passes through the through hole and is fixedly connected with an inner top end of the elastic balloon 17, left and right ends of the moving rod 31 are respectively fixedly connected with ends of the two magnetic rods 18 close to each other, ends of the two magnetic rods 18 far away from each other are respectively and fixedly connected with a sieving plate 33, a plurality of sieve holes are uniformly distributed at an outer end of the sieving plate 33, the moving rod 31 is driven to move upwards along with expansion of the elastic balloon 17, the moving rod 31 drives the magnetic rods 18 to move upwards and close to the magnetic plate 25, and the sieving plate 33 moves upwards along with the magnetic rod 18, stirs the ammonium chloride powder and breaks up the ammonium chloride powder, so that the reaction efficiency is improved.

Referring to fig. 4-5, the interior of the flexible heat absorption pad 19 is hollow, a bent hose 20 is fixedly connected between the inner side walls of the flexible heat absorption pad 19, the bent hose 20 is filled with cooling liquid, a plurality of heat conducting fibers 21 are uniformly distributed and fixedly connected between the upper and lower ends of the bent hose 20 and the inner top end and the inner bottom end of the flexible heat absorption pad 19, the bent hose 20 is driven by the bending of the flexible heat absorption pad 19 to be bent, so that the cooling liquid in the flexible heat absorption pad flows, and the heat in the main spindle box 8 can be effectively absorbed by matching with the heat conducting effect of the heat conducting fibers 21, and meanwhile, the ammonium chloride powder is decomposed into hydrogen chloride gas and ammonia gas, which are heat absorption processes and are matched with each other, so that the temperature in the main spindle box 8 can be effectively reduced, the influence of the excessive temperature on the lubrication in the main spindle box 8 can be avoided, and the interference on the rotation of the main spindle 9 can be reduced, the precision is improved.

Referring to fig. 4 and 7-8, the ends of the magnetic rod 18 and the magnetic plate 25 close to each other are both N-pole, and through the same-pole arrangement of the ends of the magnetic rod 18 and the magnetic plate 25 close to each other, a repulsive force can be generated to repel the magnetic plate 25 to move outward to the outside of the crumb absorbing ball 22, the outer end of the elastic telescopic tube 23 is arranged in a corrugated manner, and the elastic telescopic tube 23 is arranged in a corrugated manner to drive the crumb absorbing ball 22 to extend rapidly under the action of the repulsive force and move to the outside of the crumb absorbing ball 22.

Referring to fig. 7-8, the shape-change memory spring 26 is made of a shape-change memory alloy material, the initial state of the shape-change memory spring 26 is a contracted state, the shape-change memory alloy has a memory function, and as the temperature rises, the shape-change memory spring 26 deforms and extends to drive the magnetic plate 25 to expand, increase the contact surface between the magnetic plate 25 and the iron filings, enhance the adsorption effect, the extrusion valve 28 is in a closed state when not being extruded, the extrusion valve 28 is in an open state when being extruded, and the extrusion valve 28 is in a closed state when being initial, and the elastic extension tube 23 and the jacking block 24 are jacked open under the action of magnetic repulsive force, and the chip suction ball 22 returns to a furled state after losing the extrusion force, the outer surface of the chip suction ball 22 is coated with a heat insulation coating, and the heat insulation coating can isolate heat from entering the chip suction ball 22, so that the deformation memory spring 26 falling back into the chip suction ball 22 is reset after the temperature is reduced.

In the invention, when a technician in the related field uses the device, firstly, the main motor 2 drives the main shaft body 9 to rotate after being decelerated through the motor belt wheel 4, the synchronous belt 7 and the main shaft belt wheel 6, stepless speed change is realized, in the rotating process of the main shaft body 9, the temperature in the main shaft box body 8 is driven to rise, ammonium chloride powder in the elastic balloon 17 is heated and decomposed into hydrogen chloride gas and ammonia gas, the hydrogen chloride gas and the ammonia gas are driven to expand, the movable rod 31 is driven to move upwards, the movable rod 31 drives the magnetic rod 18 to move upwards to be close to the magnetic plate 25, the sieving plate 33 also moves upwards along with the magnetic rod 18, the ammonium chloride powder is stirred and scattered, the reaction efficiency is accelerated, the elastic balloon 17 expands to drive the flexible heat absorption pad 19 to bend, the chip absorption ball 22 extends into the main shaft box body 8, and the repulsive force applied to the magnetic plate 25 is enhanced due to the approach of the magnetic rod 18, the flexible heat absorption cushion 19 is bent to drive the bent hose 20 to bend, so that the cooling liquid in the flexible heat absorption cushion is enabled to flow, and the heat conduction effect of the heat conduction fiber 21 is matched, so that the heat in the spindle box body 8 can be effectively absorbed, meanwhile, the ammonium chloride powder is decomposed into hydrogen chloride gas and ammonia gas, a heat absorption process is realized, the temperature in the spindle box body 8 can be effectively reduced, and the influence of overhigh temperature on the lubrication in the spindle box body 8 is avoided, the interference to the rotation of the main shaft body 9 is reduced, and after the temperature is reduced along with the completion of the rotation, the elastic extension tube 23 contracts to drive the magnetic plate 25 to fall back into the scrap suction ball 22, and due to the reduction of the temperature, the deformation memory spring 26 resets, the magnetic plate 25 is folded to promote the collision block 27 to touch the ejector block 24, and the scrap iron falls onto the superfine fiber 29 through the vibration generated by the touch.

The above; are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; those skilled in the art can appreciate that the present invention is not limited to the specific embodiments disclosed herein; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a precision finishing's numerical control lathe, includes lathe bed (1), its characterized in that: the automatic lathe is characterized in that a main motor (2) is installed on the inner side wall of the lathe body (1), a motor belt wheel (4) is rotatably connected to the inner side wall of the lathe body (1), an output shaft of the main motor (2) is fixedly connected with the left end of the motor belt wheel (4), a main shaft box body (8) is fixedly connected to the inner side wall of the lathe body (1), a main shaft body (9) is installed in the main shaft box body (8), a main shaft belt wheel (6) is fixedly connected to the left end of the main shaft body (9), a synchronous belt (7) is connected between the motor belt wheel (4) and the main shaft belt wheel (6) in a meshing mode, a brake disc (5) is installed at the left end of the main shaft belt wheel (6), a rotary gland (3) is installed at the left end of the brake disc (5), a hydraulic chuck (10) is fixedly connected to the right end of the main shaft box body (8), and a hydraulic tailstock (16) is installed on the inner side wall of the lathe body (1), a tailstock guide rail (15) is installed at the outer end of the hydraulic tailstock (16), a large slide carriage (14) is connected to the outer end of the tailstock guide rail (15) in a sliding manner, a transverse slide carriage (13) is fixedly connected to the outer end of the large slide carriage (14), a feed motor (12) is arranged on the upper side of the transverse slide carriage (13), the output end of the feed motor (12) is fixedly connected with the upper end of the transverse slide carriage (13), a servo knife tower (11) is installed at the outer end of the transverse slide carriage (13), the servo knife tower (11) is located on the right side of the hydraulic chuck (10), a plurality of uniformly distributed mounting holes (34) are formed in the inner bottom end of the spindle box body (8), an elastic ball bag (17) is fixedly connected between the inner side walls of the mounting holes (34), ammonium chloride powder is filled in the elastic ball bag (17), two magnetic rods (18) which are symmetrical left and right are arranged in the elastic ball bag (17), a telescopic mechanism is arranged between the outer end of the magnetic rod (18) and the inner side wall of the elastic balloon (17), a flexible heat absorption pad (19) is fixedly connected between the inner side walls of the mounting holes (34), the lower end of the flexible heat absorption pad (19) is fixedly connected with the upper end of the elastic balloon (17), a plurality of uniformly distributed chip absorption balls (22) are fixedly connected with the upper end of the flexible heat absorption pad (19), an elastic telescopic pipe (23) is fixedly connected with the inner bottom end of each chip absorption ball (22), a jacking block (24) is fixedly connected with the upper end of each elastic telescopic pipe (23), two magnetic plates (25) which are bilaterally symmetrical are rotatably connected with the outer end of each jacking block (24), a deformation memory spring (26) is fixedly connected between each magnetic plate (25) and the jacking block (24), and a collision block (27) is fixedly connected with the outer end of each magnetic plate (25), the collision block (27) contacts with the jacking block (24), the inner side wall of the chip suction ball (22) is fixedly connected with a plurality of uniformly distributed superfine fibers (29), the inner top end of the chip suction ball (22) is provided with a through hole, and an extrusion valve (28) is fixedly connected between the inner side walls of the through holes.

2. A precision-machining numerically controlled lathe according to claim 1, wherein: telescopic machanism is including straight section of thick bamboo (30), be equipped with carriage release lever (31) in straight section of thick bamboo (30), fixedly connected with pulling force rope (32) between the lower extreme of carriage release lever (31) and the interior bottom of elasticity sacculus (17), the interior top of straight section of thick bamboo (30) is opened and is dug there is the through-hole, the interior top fixed connection of through-hole and elasticity sacculus (17) is passed to the upper end of carriage release lever (31), the left and right sides both ends of carriage release lever (31) respectively with two magnetic pole (18) one end fixed connection that are close to each other, two the one end that magnetic pole (18) kept away from each other is fixedly connected with sieve plate (33) respectively, the sieve mesh that the chisel had a plurality of evenly distributed is opened to the outer end of sieve plate (33).

3. A precision-machining numerically controlled lathe according to claim 1, characterized in that: the inside of the flexible heat absorption pad (19) is hollow, a bent hose (20) is fixedly connected between the inner side wall of the flexible heat absorption pad (19), the bent hose (20) is filled with cooling liquid, and a plurality of uniformly distributed heat conduction fibers (21) are fixedly connected between the upper end and the lower end of the bent hose (20) and the inner top end and the inner bottom end of the flexible heat absorption pad (19).

4. A precision-machining numerically controlled lathe according to claim 1, wherein: and one ends of the magnetic rod (18) and the magnetic plate (25) close to each other are both provided with N poles.

5. A precision-machining numerically controlled lathe according to claim 1, characterized in that: the outer end of the elastic telescopic pipe (23) is arranged in a corrugated shape.

6. A precision-machining numerically controlled lathe according to claim 1, characterized in that: the deformation memory spring (26) is made of a shape memory alloy material, and the initial state of the deformation memory spring (26) is a contraction state.

7. A precision-machining numerically controlled lathe according to claim 1, characterized in that: the pinch valve (28) is in a collapsed state when not pinched, and the pinch valve (28) is in an open state when pinched.

8. A precision-machining numerically controlled lathe according to claim 1, characterized in that: the outer surface of the chip suction ball (22) is coated with a heat insulation coating.