阅读说明：本技术 一种金属镜面精密加工装置 (Metal mirror surface precision finishing device ) 是由 姚琪 李聚兵 梁红锋 于 2021-09-27 设计创作，主要内容包括：本发明属于精密机械加工技术领域,具体涉及一种金属镜面精密加工装置,包括斜式自清洁机身,机身上设有主轴组件、顶针组件和下刀架组件,机身后侧还设有上刀架组件,机身外罩设有壳体,壳体左侧设有刀具库,右侧设有功能仓；下刀架组件包括超声波加工刀,上刀架组件包括豪克能执行器；刀具库内设有刀具暂存架,功能仓底部设有循环冷却机构,上部设有豪克能发生器及超声波发生器,各导轨上均设有冷却液进出口。本发明各导轨增设内冷却设置,提高导轨稳定性和使用寿命；采用超声波刀高频振动切削加工,提高镜面加工的精密度和抗疲劳强度；豪克能加工可提高镜面光洁度、表面显微硬度、耐磨性和耐腐蚀性,提升金属镜面机械加工品质。(The invention belongs to the technical field of precision machining, and particularly relates to a metal mirror surface precision machining device which comprises an inclined self-cleaning machine body, wherein a main shaft assembly, a thimble assembly and a lower tool rest assembly are arranged on the machine body; the lower tool rest assembly comprises an ultrasonic processing tool, and the upper tool rest assembly comprises a Haokay actuator; the tool storehouse is provided with a tool temporary storage rack, the bottom of the functional bin is provided with a circulating cooling mechanism, the upper part of the functional bin is provided with a Haoke energy generator and an ultrasonic generator, and each guide rail is provided with a cooling liquid inlet and a cooling liquid outlet. According to the invention, the internal cooling arrangement is additionally arranged on each guide rail, so that the stability of the guide rails is improved and the service life of the guide rails is prolonged; the high-frequency vibration cutting processing of the ultrasonic cutter is adopted, so that the precision and the fatigue resistance of the mirror surface processing are improved; the Haokang machining can improve the finish of the mirror surface, the surface microhardness, the wear resistance and the corrosion resistance, and improve the machining quality of the metal mirror surface.)

1. The utility model provides a metal mirror surface precision finishing device, includes the fuselage, the fuselage top is provided with the main shaft subassembly of horizontal centre gripping machined part one end, supports tightly the thimble assembly of the machined part other end and the lower tool carrier subassembly that is used for installing the processing cutter, its characterized in that: the machine body is an inclined self-cleaning machine body with the upper surface inclined at 45 degrees, an upper tool rest assembly is further arranged on the rear side of the machine body, a shell is covered on the outer side of the machine body, a tool magazine is arranged on the left side of the shell, and a function bin is arranged on the right side of the shell; the lower tool rest assembly comprises an ultrasonic processing knife, and the upper tool rest assembly comprises a Haokay actuator; the thimble assembly and the lower tool rest assembly are slidably arranged on the machine body through an X-axis guide rail, a vertically raised baffle is fixedly arranged at the front part of the machine body, a linear guide rail I is arranged at the rear side of the baffle, sliders matched with the linear guide rail I are arranged on the thimble assembly and the lower tool rest assembly respectively, the upper tool rest assembly is slidably arranged on the machine body through a linear guide rail II, the right sides of the thimble assembly, the upper tool rest assembly and the lower tool rest assembly are respectively connected with a driving screw rod I, a driving screw rod II and a driving screw rod III, the right ends of the driving screw rod I, the driving screw rod II and the driving screw rod III are correspondingly provided with a motor I, a motor II and a motor III, a tool temporary storage frame is arranged in the tool magazine, the bottom of the function bin is provided with a circulating cooling mechanism, and the upper part is provided with a Haoke energy generator matched with the Haoke energy actuator and an ultrasonic generator matched with the ultrasonic processing tool, the front side of the shell is provided with an electric cabinet, and the electric cabinet is provided with an operation panel.

2. A metal mirror finishing apparatus according to claim 1, wherein: the lower tool rest assembly comprises a rail seat, a moving frame and a rotating tool disc, an X-axis guide rail is a dynamic and static pressure guide rail, a dynamic and static pressure sliding bearing matched with the X-axis guide rail is arranged at the bottom of the rail seat, a Y-axis guide rail and a Y-axis rack are arranged at the top of the rail seat, a first sliding block matched with the Y-axis guide rail is arranged at the lower portion of the moving frame, the rotating tool frame is rotatably arranged on one side of the moving frame, a plurality of ultrasonic machining tools are circumferentially distributed on the rotating tool disc, a first walking motor and a first steering engine are arranged in the moving frame, a first gear matched with the Y-axis rack is arranged on a motor shaft of the walking motor, and an output shaft of the first steering engine is coaxially connected with the rotating tool disc.

3. A metal mirror finishing apparatus according to claim 2, wherein: the upper tool rest assembly comprises a rail trolley, a connecting rotary table and an upper tool bit, a linear sliding block matched with the linear guide rail II is arranged at the bottom of the rail trolley, a Z-axis guide rail is arranged on one side, facing a workpiece, of the rail trolley, the connecting rotary table is connected with the Z-axis guide rail in a sliding mode through the sliding block II, a steering engine II is arranged in the connecting rotary table, an output shaft of the steering engine II is connected with the upper tool bit, a Haoke energy actuator is installed on the upper tool bit, a driving screw rod IV used for driving the connecting rotary table to move up and down is arranged in the rail trolley, and a motor IV is arranged at the upper end of the driving screw rod IV.

4. A metal mirror finishing apparatus according to claim 3, wherein: the circulating cooling mechanism comprises a cooling liquid tank, a circulating pump used for pumping cooling liquid is arranged on the outer side of the cooling liquid tank, one ends of an X-axis guide rail, a Y-axis guide rail, a Z-axis guide rail, a linear guide rail I and a linear guide rail II are respectively provided with a cooling liquid inlet, the other ends of the X-axis guide rail, the Y-axis guide rail, the Z-axis guide rail, the linear guide rail I and the linear guide rail II are respectively provided with a cooling liquid outlet, one side of the rail trolley is provided with a cooling liquid spray pipe, the cooling liquid inlet and the cooling liquid spray pipe are respectively connected with a liquid outlet of the circulating pump through hoses, a backflow pipe used for recycling the cooling liquid is arranged on the lower portion of the machine body, a filter screen used for filtering processing scraps is arranged on the upper portion of the cooling liquid tank, and the liquid outlet of the backflow pipe extends to the upper portion of the filter screen.

5. A metal mirror finishing apparatus according to claim 1, wherein: the cutter temporary storage rack is a vertical chain conveyor, a motor V is arranged on a driving wheel of the conveyor in a matching mode, and a plurality of spare cutters are detachably distributed on a conveyor chain.

6. A metal mirror finishing apparatus according to claim 1, wherein: the ultrasonic processing knife comprises a shell, an ultrasonic transducer arranged in the shell, an amplitude modulator arranged at the end part of the ultrasonic transducer and a first cutter which is connected with the amplitude modulator in a replaceable manner, wherein an electric brush power connection device is arranged on the shell and is electrically connected with the ultrasonic transducer.

7. A metal mirror finishing apparatus according to claim 1, wherein: the Haoke energy actuator comprises a taper shank, a cutter body and a second cutter which are sequentially connected, wherein an air pipe connector and a cable connector are arranged on the cutter body, the second cutter is installed on the cutter body in a replaceable mode, the air pipe connector is externally connected to a compressed air pipeline, and the cable connector is electrically connected with the Haoke energy generator.

Technical Field

The invention belongs to the technical field of precision machining, and particularly relates to a metal mirror surface precision machining device.

Background

The machining is a process of machining the outer dimensions or properties of a workpiece by mechanical equipment, and generally includes cutting and pressing according to a machining method. Cutting processing is usually performed on a machine tool, along with the requirements of the processing precision of the existing mechanical processing parts are higher and higher, particularly, the precision processing of the metal mirror surface which requires extremely high precision is difficult to meet the processing requirements of the traditional machine tool, so that the rapid development of precision machining equipment is promoted, but the technology of performing the metal mirror surface processing by the existing precision machining equipment is still immature, and the following problems generally exist: 1. the turning tool rest does not move stably enough, the machining precision is influenced, and the slide rail is heated and fully cooled, so that the service life of the slide rail is influenced; 2. in the machining process, the cutter is directly contacted with a workpiece for cutting, the feed resistance is large, the cutter is large in abrasion, the cooling is not good, accumulated chips are easy to generate, and the mirror surface machining requirement is difficult to achieve; 3. for workpieces with higher mirror surface processing requirements, methods such as rough machining, finish machining, polishing, grinding and the like are also needed, so that the process is multiple and the efficiency is low; 4. the rolling processing commonly used at present for mirror surface processing has large damage to the surface of a processed piece, a brittle and hard layer is easy to peel off, and the rejection rate is high.

Disclosure of Invention

In view of the above circumstances, the present invention provides a metal mirror surface precision machining apparatus.

In order to achieve the purpose, the invention adopts the following technical scheme:

a metal mirror surface precision machining device comprises a machine body, wherein a main shaft assembly for transversely clamping one end of a machined part, a thimble assembly abutting against the other end of the machined part and a lower tool rest assembly for mounting a machining tool are arranged above the machine body, the machine body is an inclined self-cleaning machine body with an upper surface inclined at 45 degrees, an upper tool rest assembly is further arranged on the rear side of the machine body, a shell is covered outside the machine body, a tool magazine is arranged on the left side of the shell, and a function bin is arranged on the right side of the shell; the lower tool rest assembly comprises an ultrasonic processing knife, and the upper tool rest assembly comprises a Haokay actuator; the thimble assembly and the lower tool rest assembly are slidably arranged on the machine body through an X-axis guide rail, a vertically raised baffle is fixedly arranged at the front part of the machine body, a linear guide rail I is arranged at the rear side of the baffle, sliders matched with the linear guide rail I are arranged on the thimble assembly and the lower tool rest assembly respectively, the upper tool rest assembly is slidably arranged on the machine body through a linear guide rail II, the right sides of the thimble assembly, the upper tool rest assembly and the lower tool rest assembly are respectively connected with a driving screw rod I, a driving screw rod II and a driving screw rod III, the right ends of the driving screw rod I, the driving screw rod II and the driving screw rod III are correspondingly provided with a motor I, a motor II and a motor III, a tool temporary storage frame is arranged in the tool magazine, the bottom of the function bin is provided with a circulating cooling mechanism, and the upper part is provided with a Haoke energy generator matched with the Haoke energy actuator and an ultrasonic generator matched with the ultrasonic processing tool, the front side of the shell is provided with an electric cabinet, and the electric cabinet is provided with an operation panel.

Further, the lower tool rest assembly comprises a rail seat, a moving frame and a rotating tool disc, the X-axis guide rail is a dynamic and static pressure guide rail, the bottom of the rail seat is provided with a dynamic and static pressure sliding bearing matched with the X-axis guide rail, the top of the rail seat is provided with a Y-axis guide rail and a Y-axis rack, the lower portion of the moving frame is provided with a first sliding block matched with the Y-axis guide rail, the rotating tool rest is rotatably arranged on one side of the moving frame, a plurality of ultrasonic machining tools are circumferentially distributed on the rotating tool disc, a walking motor and a first steering engine are arranged in the moving frame, a gear matched with the Y-axis rack is arranged on a motor shaft of the walking motor, and an output shaft of the first steering engine is coaxially connected with the rotating tool disc.

Further, the upper tool rest assembly comprises a rail trolley, a connecting rotary table and an upper tool bit, a linear sliding block matched with the linear guide rail II is arranged at the bottom of the rail trolley, a Z-axis guide rail is arranged on one side, facing a workpiece, of the rail trolley, the connecting rotary table is connected with the Z-axis guide rail in a sliding mode through the sliding block II, a steering engine II is arranged in the connecting rotary table, an output shaft of the steering engine II is connected with the upper tool bit, a Haoke energy actuator is installed on the upper tool bit, a driving screw rod IV used for driving the connecting rotary table to move up and down is arranged in the rail trolley, and a motor IV is arranged at the upper end of the driving screw rod IV.

Further, the circulating cooling mechanism comprises a cooling liquid tank, a circulating pump used for pumping cooling liquid is arranged on the outer side of the cooling liquid tank, one ends of the X-axis guide rail, the Y-axis guide rail, the Z-axis guide rail, the first linear guide rail and the second linear guide rail are respectively provided with a cooling liquid inlet, the other ends of the first linear guide rail and the second linear guide rail are respectively provided with a cooling liquid outlet, one side of the rail trolley is provided with a cooling liquid spray pipe, the cooling liquid inlet and the cooling liquid spray pipe are respectively connected with a liquid outlet of the circulating pump through hoses, a return pipe used for recycling the cooling liquid is arranged on the lower portion of the machine body, a filter screen used for filtering and processing scraps is arranged on the upper portion of the cooling liquid tank, and a liquid outlet of the return pipe extends to the upper portion of the filter screen.

Further, the cutter temporary storage frame is a vertical chain conveyor, a motor V is arranged on a driving wheel of the conveyor in a matching mode, and a plurality of spare cutters are detachably distributed on a conveyor chain.

Furthermore, the ultrasonic processing cutter comprises a shell, an ultrasonic transducer arranged in the shell, an amplitude modulator arranged at the end part of the ultrasonic transducer and a cutter I which is connected with the amplitude modulator in a replaceable manner, wherein an electric brush power connection device is arranged on the shell and is electrically connected with the ultrasonic transducer, the ultrasonic transducer generates ultrasonic waves after being electrified, and the amplitude modulator amplifies the ultrasonic energy and then drives the cutter to vibrate at high frequency.

Further, the Haoke energy executor comprises a taper handle, a cutter body and a second cutter which are sequentially connected, wherein an air pipe connector and a cable connector are arranged on the cutter body, the second cutter is installed on the cutter body in a replaceable mode, the air pipe connector is externally connected to a compressed air pipeline, the cable connector is electrically connected with the Haoke energy generator, and the second cutter can be replaced according to actual needs.

The present invention also includes other components that enable its normal use, all by conventional means in the art, and in addition, devices or components not limited by the present invention, such as: the main shaft assembly, the thimble assembly, the Haoke energy generator, the Haoke energy executor, the ultrasonic generator, the ultrasonic transducer, the amplitude modulator, the electric cabinet, the control circuit arrangement and the like are all arranged by adopting the prior art in the field.

The invention has the following beneficial effects:

according to the metal mirror surface precision machining device, the inclined self-cleaning machine body is adopted, so that the space is saved, machining scraps can be automatically washed and cleaned, the cleanness and the sanitation of the machine body are kept, the machine body is prevented from being clamped into the sliding guide rails, meanwhile, the internal cooling arrangement is additionally arranged on each guide rail, the operation stability of the guide rails is improved, and the service life of the guide rails is prolonged; the ultrasonic cutter is adopted for high-frequency vibration cutting processing, so that the resistance of the cutting cutter can be reduced, the abrasion of the cutting cutter is reduced, the generation of chip accumulation tumors caused by the ultra-high temperature of a cutting surface is avoided, the precision of mirror surface processing is ensured, and the fatigue resistance of a processed part is improved; in addition, the machining piece can be machined by Haokang energy, the finish degree of the metal mirror surface can be greatly improved, the surface microhardness of the workpiece is improved by more than 20%, the wear resistance and the corrosion resistance of the mirror surface of the machining piece are improved, the situation that a brittle and hard layer peels off is avoided, and the machining quality of the metal mirror surface is improved.

Drawings

FIG. 1 is a schematic structural diagram of a metal mirror surface precision machining apparatus according to an embodiment.

Fig. 2 is a schematic view of a cooling structure of the X-axis guide rail of fig. 1.

Fig. 3 is a schematic structural diagram of the hauk energy actuator in fig. 1.

Fig. 4 is a schematic structural view of the ultrasonic processing blade in fig. 1.

Detailed Description

The technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention.

It should be noted that the terms "front", "back", "left", "right", "inner", "outer", etc. indicate the orientations and positional relationships based on the drawings, and are only for convenience of description.

Examples

As shown in fig. 1-4, a metal mirror surface precision machining device comprises a machine body 1, wherein a main shaft assembly 2 for transversely clamping one end of a machined part, an ejector pin assembly 3 for tightly abutting against the other end of the machined part and a lower tool rest assembly 4 for mounting a machining tool are arranged above the machine body, the machine body is an inclined self-cleaning machine body with an upper surface inclined at 45 degrees, an upper tool rest assembly 5 is further arranged on the rear side of the machine body, a shell 6 is covered on the outer side of the machine body, a tool magazine 7 is arranged on the left side of the shell, and a function bin 8 is arranged on the right side of the shell; the lower tool rest assembly comprises an ultrasonic machining tool 9, and the upper tool rest assembly comprises a Haokay actuator 10; the thimble assembly and the lower tool rest assembly are arranged on the machine body in a sliding manner through an X-axis guide rail 11, a vertically raised baffle 12 is fixedly arranged at the front part of the machine body, a linear guide rail I13 is arranged at the rear side of the baffle, sliders matched with the linear guide rail I are arranged on the thimble assembly and the lower tool rest assembly respectively, the upper tool rest assembly is arranged on the machine body in a sliding manner through a linear guide rail II 14, a driving screw rod I, a driving screw rod II and a driving screw rod III are respectively connected to the right sides of the thimble assembly, the upper tool rest assembly and the lower tool rest assembly, a motor I15, a motor II 16 and a motor III 17 are correspondingly arranged at the right ends of the driving screw rod I, the driving screw rod II and the driving screw rod III, a tool temporary storage rack 18 is arranged in the tool magazine, a circulating cooling mechanism is arranged at the bottom of the functional magazine, a Haoke energy generator 19 matched with the Haoke energy actuator and an ultrasonic generator 20 matched with the ultrasonic processing tool are arranged at the upper part, an electric cabinet 21 is arranged on the front side of the shell, and an operation panel 22 is arranged on the electric cabinet.

The lower tool rest assembly comprises a rail seat 23, a moving frame 24 and a rotating cutter head 25, the X-axis guide rail is a dynamic and static pressure guide rail, the bottom of the rail seat is provided with a dynamic and static pressure sliding bearing 26 matched with the X-axis guide rail, the top of the rail seat is provided with a Y-axis guide rail 27 and a Y-axis rack 28, the lower part of the moving frame is provided with a first sliding block matched with the Y-axis guide rail, the rotating tool rest is rotatably arranged on one side of the moving frame, a plurality of ultrasonic machining tools are circumferentially distributed on the rotating cutter head, a walking motor and a first steering engine are arranged in the moving frame, a gear matched with the Y-axis rack is arranged on a motor shaft of the walking motor, and an output shaft of the first steering engine is coaxially connected with the rotating cutter head.

The upper tool rest assembly comprises a rail trolley 29, a connecting rotary table 30 and an upper tool bit 31, a linear slide block matched with the linear guide rail II is arranged at the bottom of the rail trolley, a Z-axis guide rail 32 is arranged on one side, facing a workpiece, of the rail trolley, the connecting rotary table is connected with the Z-axis guide rail in a sliding mode through the slide block II, a steering engine II is arranged in the connecting rotary table, an output shaft of the steering engine II is connected with the upper tool bit, a Haoke energy actuator is installed on the upper tool bit, a driving screw rod IV used for driving the connecting rotary table to move up and down is arranged in the rail trolley, and a motor IV 33 is arranged at the upper end of the driving screw rod IV.

The circulative cooling mechanism includes coolant liquid case 34, and the coolant liquid case outside is provided with the circulating pump 35 that is used for the pump sending coolant liquid, the one end of X axle guide rail, Y axle guide rail, Z axle guide rail, linear guide rail one and linear guide rail two all is provided with coolant liquid import 36, and the other end all is provided with the coolant liquid export, and small rail car one side is provided with coolant liquid shower 37, each coolant liquid import and coolant liquid shower all through the hose with the liquid outlet of circulating pump is connected, the fuselage lower part is provided with the back flow 38 that is used for retrieving the coolant liquid, coolant liquid case upper portion is provided with and is used for the clastic filter screen 39 of filtering processing, the liquid outlet of back flow extends the filter screen top.

The cutter temporary storage rack is a vertical chain conveyor, a motor five 40 is arranged on a driving wheel of the conveyor in a matching mode, and a plurality of spare cutters are detachably distributed on a conveyor chain.

The ultrasonic processing cutter comprises a shell 41, an ultrasonic transducer 42 arranged in the shell, an amplitude modulator 43 arranged at the end part of the ultrasonic transducer and a cutter I44 which is in replaceable connection with the amplitude modulator, wherein an electric brush power connection device 45 is arranged on the shell and is electrically connected with the ultrasonic transducer, the ultrasonic transducer generates ultrasonic waves after being electrified, and the amplitude modulator amplifies the ultrasonic energy and then drives the cutter I to vibrate at high frequency.

The Haoke energy actuator comprises a taper shank 46, a cutter body 47 and a second cutter 48 which are sequentially connected, an air pipe connector 49 and a cable connector 50 are arranged on the cutter body, the second cutter is installed on the cutter body in a replaceable mode, the air pipe connector is externally connected to a compressed air pipeline, the cable connector is electrically connected with the Haoke energy generator, and the second cutter can be replaced according to actual needs.

The technical solution of the present invention is not limited to the above-described specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments, and any technical modifications within the spirit and principle of the present invention fall within the protection scope of the present invention.