CN206855072U - A metal mirror processing equipment - Google Patents

Abstract

The utility model provides a metal mirror surface processing equipment, include: the machining device comprises a machine tool body and a machining room arranged in the machine tool body, wherein a metal mirror surface machining mechanism is arranged in the machining room; the metal mirror finishing mechanism specifically includes: a vacuum clamp for fixing the metal workpiece; the cutting device is used for carrying out mirror surface machining on the metal workpiece, is arranged right above the clamp and is connected with a main shaft of a machine tool; the cutting fluid spraying device is used for cooling and lubricating the surface of a metal workpiece in a cutting process. In the metal mirror surface processing equipment and the process provided by the utility model, the cutting edge of the cutting device contains diamond cutting particles which can grind the surface of a metal workpiece; the absorption of cooperation vacuum fixture is firm and cutting fluid sprinkler's cooling and lubrication, can be through one step of mirror surface effect that realizes metal work piece of cutting process, simplifies metal work piece surface mirror surface machining flow, improves production efficiency.

Description

A metal mirror processing equipment

technical field

The utility model relates to the field of numerical control machine tools, in particular to a metal mirror surface processing equipment.

Background technique

In the process of processing some metal workpieces such as mobile phone casings, for the sake of aesthetics, it is necessary to make a mirror smooth effect on the casing of the metal workpiece.

The mirror effect has high requirements on the smoothness of the surface of the metal workpiece. At present, in the field of automatic machine tools, the surface of the metal workpiece is generally smoothed by rough cutting first, and then the surface of the metal workpiece is polished to achieve a mirror-level smooth effect. The method adds a grinding process on the basis of the original cutting process, which has low efficiency and consumes a lot of energy and raw materials. At present, there is no equipment and process in this field that can directly achieve the mirror effect of metal workpieces in one step by cutting.

Therefore, the prior art still needs to be improved and developed.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of metal mirror surface processing equipment for the above-mentioned defects of the prior art, aiming to solve the complicated process of processing the mirror surface of the metal workpiece in the prior art, the efficiency is too low, and it cannot be completed in one step. Inconvenient question.

The technical solution adopted by the utility model to solve technical problems is as follows:

A metal mirror surface processing equipment, which includes: a machine tool body and a processing room arranged inside the machine tool body, and a metal mirror surface processing mechanism is arranged in the processing room;

The metal mirror surface processing mechanism specifically includes:

Fixtures for fixing metal workpieces;

A cutting device for performing mirror surface processing on a metal workpiece, the cutting device is arranged directly above the fixture and connected to the main shaft of the machine tool;

Cutting fluid spray device for cooling and lubricating the surface of metal workpieces during cutting.

The metal mirror surface processing equipment, wherein the clamp is a vacuum clamp, specifically including:

Fixture body;

Multiple sets of vacuum adsorption units arranged on the fixture body for generating negative pressure to adsorb the workpiece to be processed, the vacuum adsorption units are connected with a vacuum pump with adjustable suction;

A plurality of vacuum grooves arranged on the surface of the fixture body for diverting the vacuum adsorption unit to generate negative pressure;

a sealing ring arranged on the surface of the fixture body for sealing the vacuum formed by the negative pressure;

Multiple sets of automatic screw fastening units arranged on the fixture body.

The metal mirror surface processing equipment described above, wherein the cutting device is connected to the main shaft of the machine tool and can rotate and move under the drive of the main shaft, and the cutting device is specifically:

End mills for roughing the shape of metal workpieces;

Or an arc cutter used for rough machining of side arcs on the side of metal workpieces;

Or a circular arc highlight knife for mirror finishing on the side of a metal workpiece;

Or a flat rough disc cutter for mirror semi-finishing of metal workpiece planes;

Or flat disk cutters for mirror finishing flat surfaces of metal workpieces.

The metal mirror surface processing equipment, wherein the arc highlight knife specifically includes:

A first cutterhead for connecting with the main shaft of the machine tool, the first cutter head is cylindrical and can rotate under the drive of the main shaft of the machine tool;

A side highlight knife grain for mirror finishing the side of a metal workpiece, the side highlight knife grain is arranged on the side of the first cutter head, and the material of the side highlight knife grain is diamond, The shape is a concave arc or straight edge;

A knife seat for adjusting the cutting angle of the side highlight blade, one end of the knife seat is connected with the side highlight knife grain, and the other end is connected with the first cutter head, and the knife seat can be opposite to the The first cutterhead rotates.

The metal mirror surface processing equipment, wherein the plane disc cutter specifically includes:

A second cutterhead for connecting with the main shaft of the machine tool, the second cutter head is cylindrical and can rotate under the drive of the main shaft of the machine tool;

A planar high-gloss knife grain for mirror finishing the upper surface of a metal workpiece, the plane high-gloss knife grain is arranged on the bottom surface of the second cutter head, the material of the plane high-gloss knife grain is diamond, and the shape is outer Convex arc shape, the distance between the highest point and the lowest point of the arc is 0.005 μm;

A tool adjustment mechanism for adjusting the cutting angle of the planar high-gloss knife grains, the knife adjustment mechanism is arranged on the base of the second cutter head, and the plane high-gloss knife grains are arranged on the knife adjustment mechanism.

The metal mirror surface processing equipment, wherein the cutting fluid spraying device specifically includes:

A nozzle for controlling the spraying direction of cutting fluid, the nozzle includes a hose and an adjustment mechanism wrapped outside the hose, and the hose can change the spraying angle under the limit of the adjustment mechanism;

A flow valve for controlling the spraying flow of the nozzle, one end of the flow valve is connected to the nozzle;

A cutting fluid circulation device for circulating cutting fluid, the cutting fluid circulation device is connected to the other end of the flow valve.

The metal mirror surface processing equipment, wherein the cutting fluid circulation device specifically includes;

Inlet pump for sucking cutting fluid;

a bag filter for filtering the cutting fluid, the bag filter is connected to the inlet pump;

An oil-water separator for oil-water separation of cutting fluid, the oil-water separator is connected to the bag filter;

A water chiller for cooling the cutting fluid, the water chiller is connected to the oil-water separator;

A liquid outlet pump for transporting the circulated cutting fluid to the nozzle, the liquid outlet pump is connected with the other end of the flow valve.

The metal mirror processing equipment, wherein the flow valve specifically includes;

A valve used to adjust the spray flow of cutting fluid;

A dashboard for displaying real-time flow values, the dashboard is connected to the valve and can read real-time flow data at the valve.

In summary, the utility model provides a kind of metal mirror processing equipment, comprising: a machine tool body and a processing room arranged inside the machine tool body, a metal mirror processing mechanism is arranged in the processing room; the metal mirror processing The mechanism specifically includes: a vacuum fixture for fixing the metal workpiece; a cutting device for mirror-processing the metal workpiece, the cutting device is arranged directly above the fixture and connected with the main shaft of the machine tool; A cutting fluid spray device that cools and lubricates the surface of a metal workpiece during the process. In the metal mirror surface processing equipment and technology provided by the utility model, the blade of the cutting device contains diamond cutter grains, which can grind the surface of the metal workpiece; cooperate with the stable adsorption of the vacuum fixture and the cooling and lubrication of the cutting fluid spraying device, The mirror surface effect of the metal workpiece can be realized in one step through cutting processing, the mirror surface processing process of the metal workpiece surface can be simplified, and the production efficiency can be improved.

Description of drawings

Fig. 1 is a schematic diagram of the metal mirror surface processing equipment described in the present invention.

Fig. 2 is a perspective view of the jig of the metal mirror surface processing equipment described in the present invention.

Fig. 3 is a perspective view of the arc highlight knife of the metal mirror surface processing equipment described in the present invention.

Fig. 4 is a perspective view of the flat disc cutter of the metal mirror surface processing equipment of the present invention.

Fig. 5 is a schematic diagram of the cutting fluid circulation device of the metal mirror surface processing equipment of the present invention.

detailed description

In order to make the purpose, technical solution and advantages of the utility model more clear and definite, the utility model will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Fig. 1-Fig. 5, Fig. 1 is a schematic diagram of the metal mirror surface processing equipment described in the present invention. Fig. 2 is a perspective view of the jig of the metal mirror surface processing equipment described in the present invention. Fig. 3 is a perspective view of the arc highlight knife of the metal mirror surface processing equipment described in the present invention. Fig. 4 is a perspective view of the flat disc cutter of the metal mirror surface processing equipment of the present invention. Fig. 5 is a schematic diagram of the cutting fluid circulation device of the metal mirror surface processing equipment of the present invention. As shown in Fig. 1-Fig. 5, described a kind of metal mirror processing equipment comprises:

The machine tool body 10 and the processing room 20 arranged inside the machine tool body 10, the processing room 20 is provided with a metal mirror surface processing mechanism;

The metal mirror surface processing mechanism specifically includes:

A fixture 100 for fixing metal workpieces;

A cutting device 200 for mirror-finishing a metal workpiece, the cutting device 200 is arranged directly above the fixture 100 and is connected to the spindle 30 of the machine tool 10;

A cutting fluid spraying device 300 for cooling and lubricating the surface of a metal workpiece during cutting.

During specific work, place the metal workpiece to be processed on the fixture 100 to fix it; adjust the cutting fluid spraying device 300 so that its angle is aligned with the metal workpiece, and then turn on the cutting fluid spraying device 300 to spray the metal workpiece; The cutting device 200 is installed on the machine tool spindle 30, and the machine tool is turned on. The cutting device 200 starts cutting under the drive of the machine tool spindle 30. Through the reciprocating cutting operation, the metal workpiece with a mirror effect on the surface is obtained directly by cutting.

Further, the clamp 100 is a vacuum clamp, specifically comprising:

Fixture body 110;

Multiple sets of vacuum adsorption units arranged on the fixture body 110 for generating negative pressure to adsorb workpieces to be processed, the vacuum adsorption units are connected with a vacuum pump with adjustable suction force (not shown in the figure);

A plurality of vacuum grooves 120 arranged on the surface of the fixture body 110 for splitting the vacuum adsorption unit to generate negative pressure;

A sealing ring 130 disposed on the surface of the clamp body 110 for sealing the vacuum formed by the negative pressure;

Multiple sets of automatic screw fastening units 140 are provided on the fixture body 110 .

During specific work, the metal workpiece to be processed is placed on the fixture body 110, and the multiple groups of vacuum adsorption units generate negative pressure to absorb the metal workpiece to be processed. During this period, the vacuum groove 120 makes the negative pressure on the metal workpiece The workpiece is evenly distributed on the workpiece, and the metal workpiece is stably adsorbed. The sealing ring 130 acts as a seal to prevent vacuum leakage, so that the negative pressure generated by the vacuum adsorption unit can stably adsorb the metal workpiece, and will not be in the cutting process of the machine tool. During the process, the surface of the metal workpiece shakes due to the leakage of the vacuum. At the same time, after the vacuum adsorption unit stably absorbs the metal workpiece to be processed, the automatic screw fastening unit 140 fastens the metal workpiece by screwing to prevent the metal workpiece from being left and right during processing. displacement in the direction.

In the process of cutting the surface of the metal workpiece, it is necessary to ensure that the cutting device 200 always cuts the surface of the metal workpiece on the same plane. Therefore, it is necessary to prevent the vibration of the surface of the metal workpiece due to cutting during the cutting process. The setting of the vacuum fixture It can effectively prevent the occurrence of the above phenomena and ensure that the processing achieves a mirror effect.

Further, the cutting device 200 is connected to the main shaft 30 of the machine tool and can rotate and move under the drive of the main shaft 30. The cutting device 200 is specifically:

End mills for roughing the shape of metal workpieces (not shown);

Or an arc cutter (not shown in the figure) used for rough machining of side arcs on the side of metal workpieces;

Or an arc high-gloss knife 210 for mirror-finishing the side of a metal workpiece;

Or a flat rough disc cutter (not shown in the figure) for mirror surface semi-finishing of the metal workpiece plane;

Or a flat disc cutter 220 for mirror finishing of metal workpiece planes.

During specific work, according to the different processing procedures, different cutting devices 200 are replaced on the machine tool spindle 30. First, the end mill is installed on the machine tool spindle 30. Do circular reciprocating motion to cut the metal workpiece until the metal workpiece is cut into the shape of the product; then remove the end mill, install the arc cutter on the machine tool spindle 30, and the arc cutter rotates under the drive of the spindle 30, and at the same time The metal workpiece is cut by reciprocating motion along the side of the metal workpiece until the side of the metal workpiece is cut into an arc surface or a plane; then the arc knife is removed, and the arc high-gloss knife is installed on the machine tool spindle 30. The high-gloss knife rotates under the drive of the spindle 30, and at the same time reciprocates along the side of the metal workpiece to cut the metal workpiece until the side of the metal workpiece is cut to a mirror-level smooth effect; The rough disc cutter is installed on the main shaft 30 of the machine tool, and the planar rough disc cutter rotates under the drive of the main shaft 30, and at the same time cuts reciprocally along the upper surface of the metal workpiece until the upper surface of the metal workpiece is cut into a smooth plane; finally remove Plane rough disk cutter, install the plane disk cutter on the machine tool spindle 30, the plane disk cutter rotates under the drive of the spindle 30, and cuts along the upper surface of the metal workpiece reciprocatingly until the upper surface of the metal workpiece is cut to a mirror level smooth effect. After the above process is completed, a metal workpiece with a mirror effect on the surface is obtained.

Further, the arc highlight knife 210 specifically includes:

A first cutterhead 211 for connecting with the machine tool spindle 30, the first cutterhead 211 is a cylinder and can rotate under the drive of the machine tool spindle 30;

A side highlight knife grain 212 for mirror finishing the side of the metal workpiece, the side highlight knife grain 212 is arranged on the side of the first cutter head 211, the side highlight knife grain 212 The material is diamond, and the shape is a concave arc or straight edge;

The knife seat 213 for adjusting the cutting angle of the side highlight blade 212, one end of the knife seat 213 is connected with the side highlight knife grain 212, and the other end is connected with the first cutter head 311, the The knife seat 213 is rotatable relative to the first knife disc 311 .

During specific work, the first cutter head 311 is installed on the machine tool spindle 30 after adjusting the cutting angle of the side highlight blade grain 212 through the cutter seat 213, and the machine tool spindle 30 drives the first cutter head 311 to rotate , so that the side high-gloss knife grain 212 can cut the side of the metal workpiece, the machine tool spindle 30 translates, and drives the first cutter head 311 to reciprocate around the side of the metal workpiece, so that the side of the entire metal workpiece is Process a mirror effect.

Specifically, diamond is the material with the highest known hardness, and the cutting of the metal surface by the diamond material can achieve the effect of grinding, thereby achieving a mirror smooth effect on the surface of the workpiece. For the processing of metal workpieces, the specific parameters of finished metal workpieces have different requirements. If the side of the mobile phone is required to be in a convex arc shape, then the side high-gloss knife grain 212 is set to a concave arc shape, thereby passing Cutting is to process the smooth effect of the curved mirror surface on the convex arc-shaped side of the mobile phone; if the side of the mobile phone is required to be a plane, the side high-gloss knife grain 212 is set to a straight edge, so that through cutting, The smooth effect of the flat mirror surface is processed on the flat side of the mobile phone at one time, eliminating the need for grinding steps, saving procedures and improving production efficiency.

Further, the plane disc cutter 220 specifically includes:

A second cutterhead 221 for connecting with the machine tool spindle 30, the second cutterhead 221 is a cylinder and can rotate under the drive of the machine tool spindle 30;

A planar high-gloss knife grain 222 for mirror-finishing the upper surface of a metal workpiece, the plane high-gloss knife grain 222 is arranged on the bottom surface of the second cutter head 221, and the material of the plane high-gloss knife grain 222 is diamond , The shape is a convex circular arc, and the distance between the highest point and the lowest point of the arc is 0.005 μm;

A tool adjustment mechanism 223 for adjusting the cutting angle of the plane highlight blade grain 222, the knife adjustment mechanism 223 is arranged on the base of the second cutter head 221, and the plane highlight knife grain 222 is arranged on the knife adjustment mechanism 223 Institution 223 on.

During specific work, the second cutter head 221 is installed on the machine tool spindle 30 after the cutting angle of the plane high-gloss knife grain 222 is adjusted 223 by the cutter adjustment mechanism, and the machine tool spindle 30 drives the second cutter head 221 to rotate , so that the planar high-gloss knife grain 222 can cut the upper surface of the metal workpiece, the machine tool spindle 30 translates, and drives the second cutter head 221 to reciprocate on the upper surface of the metal workpiece, thereby cutting the upper surface of the metal workpiece Mirror effect.

Specifically, during the cutting of the surface of the metal workpiece by the planar high-gloss knife grain 221, the highest point of the arc-shaped blade contacts the surface of the metal workpiece, and the metal shavings generated by cutting accumulate on one side of the moving direction of the blade. The remaining parts of the shaped blade entrain the metal shavings and move on the surface of the workpiece, which has a grinding effect on the metal workpiece, thereby achieving a mirror-like smooth effect on the surface of the metal workpiece. The distance between the highest point and the lowest point of the arc is set 0.005μm is the best parameter to achieve the grinding effect, so that the mirror effect can be realized on the upper surface of the metal workpiece by cutting at one time, eliminating the need for grinding steps, saving procedures and improving production efficiency. .

Further, the cutting fluid spraying device 300 specifically includes:

A nozzle (not shown in the figure) used to control the spraying direction of the cutting fluid. The nozzle includes a hose and an adjustment mechanism wrapped outside the hose. The hose can be adjusted under the limit of the adjustment mechanism. Change the spray angle;

A flow valve (not shown in the figure) used to control the spraying flow of the nozzle, one end of the flow valve is connected to the nozzle;

A cutting fluid circulation device 310 for circulating cutting fluid, the cutting fluid circulation device is connected to the other end of the flow valve.

Furthermore, the adjustment mechanism is a clip-on nozzle.

During specific work, by adjusting the adjustment mechanism, the nozzle is aimed at the metal workpiece, and then the flow rate of the cutting fluid sprayed by the nozzle is set through the flow valve. During the process of spraying the cutting fluid, the cutting fluid is being cut The metal workpiece plays a cooling and lubricating role, preventing the surface of the metal workpiece from being deformed due to local overheating, damaging the metal workpiece and the tool, and the lubricating effect ensures the mirror effect. Specifically, the cutting fluid circulation device continuously recycles the used cutting fluid waste for treatment, and then re-injects the processed cutting fluid into the nozzle for recycling, reducing material costs and achieving environmental protection.

Further, the cutting fluid circulation device 310 specifically includes;

Liquid inlet pump 311 for sucking cutting fluid;

A bag filter 312 for filtering the cutting fluid, the bag filter 312 is connected to the inlet pump 311;

An oil-water separator 313 for oil-water separation of cutting fluid, the oil-water separator 313 is connected to the bag filter 312;

A chiller 314 for cooling the cutting fluid, the chiller 314 is connected to the oil-water separator 313;

The liquid outlet pump 315 used to transport the circulated cutting fluid to the nozzle, the liquid outlet pump 315 is connected with the other end of the flow valve.

During specific work, the liquid inlet pump 311 pumps the cutting fluid waste liquid generated during the cutting process of the machine tool. Under the promotion of the liquid inlet pump 311, the cutting fluid waste liquid passes through the bag filter 312 and oil-water separation machine 313 and water chiller 314, wherein the bag filter 312 filters the metal waste generated by cutting in the cutting fluid waste, the oil-water separator 313 separates the grease dissolved in the cutting fluid waste, and the chiller 314 The cutting fluid waste liquid is cooled to obtain clean and low-temperature cutting fluid circulating fluid, which meets the functional requirements for cutting fluid lubrication and cooling during machine tool cutting; the liquid outlet pump pumps the processed circulating fluid through pump pressure to the processing room 20, thereby completing the circulation operation of the entire cutting fluid circulation device.

Further, the flow valve specifically includes;

A valve used to adjust the spray flow of cutting fluid;

A dashboard for displaying real-time flow values, the dashboard is connected to the valve and can read real-time flow data at the valve.

During the specific work, by reading the readings on the instrument panel, the flow rate at the valve can be accurately set, so as to accurately control the spraying of cutting fluid at the nozzle. Excessive spraying flow rate will form an impact on the surface of the metal workpiece and interfere The running accuracy of the cutting device 200 will cause ripples on the finished product of the metal workpiece, and the ideal mirror effect cannot be obtained; at the same time, the spray flow will cause insufficient lubrication and cooling, which will damage the cutting device 200 and make the finished metal workpiece The surface becomes rough, and the ideal mirror effect cannot be obtained.

During specific work, the processing of the metal workpiece specifically includes an installation step, a cutting step and a cutting fluid circulation step.

In the installation step, the metal workpiece is placed on the fixture body, and the vacuum pump is turned on. At the same time, according to the thickness of the metal workpiece, the suction force of the vacuum pump is adjusted, and the vacuum adsorption unit absorbs the metal workpiece. Through the distribution of the vacuum groove, the suction force is Evenly distributed on the metal workpiece, at this time, through the sealing of the sealing ring, a vacuum is formed between the fixture body and the metal workpiece, and then the automatic screw fastening unit is screwed in the screw hole of the metal workpiece to be processed to complete the processing of the metal workpiece fixed, thereby completing the installation steps of the metal workpiece.

In the cutting step, install the end mill on the machine tool spindle to cut the metal workpiece into a preset product shape; then replace it with an arc cutter to cut the side of the metal workpiece into a preset shape, usually an arc surface or a plane ; Then replace the arc highlight knife to cut the side of the metal workpiece to a mirror-level smooth effect; then replace it with a flat rough disc cutter to semi-finish the upper surface of the metal workpiece and cut it into a smooth plane; then replace it with Flat disc cutter, which cuts the upper surface of the metal workpiece to a mirror-level smooth effect; completes the cutting step.

Cutting fluid circulation step, the cutting fluid circulation step is carried out synchronously with the cutting step. During the cutting step, the cutting fluid circulation device continuously sprays cutting fluid to the metal workpiece for cooling and lubrication, so as to prevent the deformation of the metal workpiece surface due to local overheating, damage the metal workpiece and At the same time, the lubricating effect ensures the production of the mirror effect; at the same time, the cutting fluid circulation device continuously recycles the used cutting fluid waste liquid for processing, and then re-injects the processed cutting fluid into the nozzle for recycling, reducing the material Cost, to achieve environmental protection; thus completed the cutting fluid circulation step.

In summary, the utility model provides a metal mirror processing equipment, including: a machine tool body and a processing room arranged inside the machine tool body, and a metal mirror processing mechanism is arranged in the processing room; the metal mirror processing The mechanism specifically includes: a vacuum fixture for fixing the metal workpiece; a cutting device for mirror-processing the metal workpiece, the cutting device is arranged directly above the fixture and connected with the main shaft of the machine tool; A cutting fluid spray device that cools and lubricates the surface of a metal workpiece during the process. In the metal mirror surface processing equipment and technology provided by the utility model, the blade of the cutting device contains diamond cutter grains, which can grind the surface of the metal workpiece; cooperate with the stable adsorption of the vacuum fixture and the cooling and lubrication of the cutting fluid spraying device, The mirror surface effect of the metal workpiece can be realized in one step through cutting processing, the mirror surface processing process of the metal workpiece surface can be simplified, and the production efficiency can be improved.

It should be understood that the application of the present utility model is not limited to the above examples, and those skilled in the art can improve or change according to the above description, and all these improvements and changes should belong to the protection of the appended claims of the present utility model scope.

Claims (8)

1. A metal mirror surface processing equipment is characterized in that, comprising: a machine tool body and a processing room arranged inside the machine tool body, and a metal mirror surface processing mechanism is arranged in the processing room; The metal mirror surface processing mechanism specifically includes: Fixtures for fixing metal workpieces; A cutting device for performing mirror surface processing on a metal workpiece, the cutting device is arranged directly above the fixture and connected to the main shaft of the machine tool; Cutting fluid spray device for cooling and lubricating the surface of metal workpieces during cutting. 2. The metal mirror surface processing equipment according to claim 1, wherein the clamp is a vacuum clamp, specifically comprising: Fixture body; Multiple sets of vacuum adsorption units arranged on the fixture body for generating negative pressure to adsorb the workpiece to be processed, the vacuum adsorption units are connected with a vacuum pump with adjustable suction; A plurality of vacuum grooves arranged on the surface of the fixture body for diverting the vacuum adsorption unit to generate negative pressure; a sealing ring arranged on the surface of the fixture body for sealing the vacuum formed by the negative pressure; Multiple sets of automatic screw fastening units arranged on the fixture body. 3. The metal mirror surface processing equipment according to claim 1, wherein the cutting device is connected to the main shaft of the machine tool and can rotate and move under the drive of the main shaft, and the cutting device is specifically: End mills for roughing the shape of metal workpieces; Or an arc cutter used for rough machining of side arcs on the side of metal workpieces; Or a circular arc highlight knife for mirror finishing on the side of a metal workpiece; Or a flat rough disc cutter for mirror semi-finishing of metal workpiece planes; Or flat disk cutters for mirror finishing flat surfaces of metal workpieces. 4. The metal mirror surface processing equipment according to claim 3, wherein the arc highlight knife specifically comprises: A first cutterhead for connecting with the main shaft of the machine tool, the first cutter head is cylindrical and can rotate under the drive of the main shaft of the machine tool; A side highlight knife grain for mirror finishing the side of a metal workpiece, the side highlight knife grain is arranged on the side of the first cutter head, and the material of the side highlight knife grain is diamond, The shape is a concave arc or straight edge; A knife seat for adjusting the cutting angle of the side highlight blade, one end of the knife seat is connected with the side highlight knife grain, and the other end is connected with the first cutter head, and the knife seat can be opposite to the The first cutterhead rotates. 5. The metal mirror surface processing equipment according to claim 3, wherein the plane disc cutter specifically comprises: A second cutterhead for connecting with the main shaft of the machine tool, the second cutter head is cylindrical and can rotate under the drive of the main shaft of the machine tool; A planar high-gloss knife grain for mirror finishing the upper surface of a metal workpiece, the plane high-gloss knife grain is arranged on the bottom surface of the second cutter head, the material of the plane high-gloss knife grain is diamond, and the shape is outer Convex arc shape, the distance between the highest point and the lowest point of the arc is 0.005 μm; A tool adjustment mechanism for adjusting the cutting angle of the planar high-gloss knife grains, the knife adjustment mechanism is arranged on the base of the second cutter head, and the planar high-gloss knife grains are arranged on the knife adjustment mechanism. 6. The metal mirror surface processing equipment according to claim 1, wherein the cutting fluid spraying device specifically comprises: A nozzle used to control the spraying direction of the cutting fluid, the nozzle includes a hose and an adjustment mechanism wrapped outside the hose, and the hose can change the spraying angle under the limit of the adjustment mechanism; A flow valve for controlling the spraying flow of the nozzle, one end of the flow valve is connected to the nozzle; A cutting fluid circulation device for circulating the cutting fluid, the cutting fluid circulation device is connected to the other end of the flow valve. 7. The metal mirror surface processing equipment according to claim 6, characterized in that, the cutting fluid circulation device specifically comprises; Inlet pump for sucking cutting fluid; a bag filter for filtering the cutting fluid, the bag filter is connected to the inlet pump; An oil-water separator for oil-water separation of cutting fluid, the oil-water separator is connected to the bag filter; A water chiller for cooling the cutting fluid, the water chiller is connected to the oil-water separator; A liquid outlet pump for transporting the circulated cutting fluid to the nozzle, the liquid outlet pump is connected with the other end of the flow valve. 8. The metal mirror surface processing equipment according to claim 6, wherein the flow valve specifically comprises; A valve used to adjust the spray flow of cutting fluid; A dashboard for displaying real-time flow values, the dashboard is connected to the valve and can read real-time flow data at the valve.