A fully automatic milling device

Abstract

The application relates to the technical field of milling processing, and particularly discloses a full-automatic milling device, which comprises a base, a machine shell and a milling mechanism; the machine shell is arranged on the top surface of the base, a milling head is arranged on the inner wall of one end of the machine shell; a loading platform is arranged on the top surface of the base; the milling mechanism is arranged on the top of the loading platform and used for milling workpieces; a man-machine interaction interface and a control system are arranged on the top surface of the base; the man-machine interaction interface is electrically connected with the control system; the control system is electrically connected with the milling head and the milling mechanism; instructions are input through the man-machine interaction interface; the control system controls the milling mechanism to realize automatic milling processing of the workpieces according to the set processing parameters, manual intervention is reduced, the degree of automation is improved, and the milling processing efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of milling technology, and in particular to a fully automatic milling device. Background Technology

[0002] Milling is a widely used cutting process in the field of mechanical manufacturing. It removes material from a workpiece by rotating a cutting tool and is suitable for high-precision machining of complex structures such as planes, grooves, gears, and threads. As the manufacturing industry continues to demand higher precision, efficiency, and automation, traditional manual milling equipment is gradually becoming unable to meet the processing needs.

[0003] In the existing technology, traditional milling equipment mostly relies on operators to manually adjust the tool position, workpiece clamping and machining parameters, resulting in low machining efficiency, high labor costs, and susceptibility to human factors, leading to poor machining consistency. Summary of the Invention

[0004] This application provides a fully automatic milling device that can realize automatic milling, reduce manual intervention, improve the degree of automation, reduce labor costs, and improve milling efficiency.

[0005] This application provides a fully automatic milling device, which adopts the following technical solution: A fully automatic milling device includes a base, a housing, and a milling mechanism. The housing is disposed on the top surface of the base, and a milling head for clamping and fixing workpieces is disposed on the inner wall of one end of the housing. A platform is disposed on the top surface of the base. The milling mechanism is disposed on the top of the platform for milling workpieces. A human-machine interface and a control system are disposed on the top surface of the base. The human-machine interface is electrically connected to the control system and is used to input and display machining parameters, tool paths, and equipment status. The control system is electrically connected to both the milling head and the milling mechanism.

[0006] By adopting the above technical solution, when performing workpiece milling, the workpiece is mounted on the milling head for fixed clamping. The processing instructions are input to the equipment through the human-machine interface, and the processing parameters are set. The control system controls the milling mechanism to automatically mill the workpiece according to the set processing parameters, thereby reducing manual intervention, improving the degree of automation, reducing labor costs, and improving milling efficiency.

[0007] Preferably, the top surface of the platform is provided with a first guide rail arranged along the axial direction of the milling head; the milling mechanism includes a support base and a first motor; the support base is slidably disposed on the top surface of the first guide rail, and a support plate is horizontally mounted on the top surface of the support base via an electric push rod; the first motor is mounted on the outer wall of one end of the machine housing, and a first lead screw is coaxially fixed to the output end of the first motor and passes through the support base along the arrangement direction of the first guide rail; the first lead screw is threadedly driven into the support base; a second motor is horizontally mounted on the top surface of the support plate; a second lead screw perpendicular to the first lead screw is coaxially fixed to the output end of the second motor; a sliding plate is slidably connected to the top surface of the support plate and sleeved on the outside of the second lead screw; the sliding plate is threadedly driven into the second lead screw, and a spindle motor is mounted on the top surface of the sliding plate; a milling cutter coaxial with the second lead screw is coaxially mounted on the output end of the spindle motor; the control system is electrically connected to the first motor, the second motor, the spindle motor, and the electric push rod.

[0008] By adopting the above technical solution, the first motor can drive the first lead screw shaft, causing the support base and the milling head arranged on its top surface to adjust their position along the first lead screw axis. The second motor can drive the second lead screw to rotate, causing the slide plate and the milling head to move along the second lead screw axis for position adjustment. The electric push rod can drive the milling head to adjust its position in the vertical direction. During the milling process, the control system controls the first motor, the second motor and the electric push rod to work together to adjust the position of the milling head in three dimensions. The spindle motor is used to drive the milling cutter to rotate, so as to automatically mill the workpiece according to the set processing parameters.

[0009] Preferably, the top surface of the platform is provided with a second guide rail arranged in the same direction as the first guide rail; a movable seat is slidably mounted on the top surface of the second guide rail; a rectangular cavity is provided on the end face of the movable seat facing the milling head; a third lead screw is rotatably connected to the inner wall of the rectangular cavity; a slider that slides and engages with the inner wall of the rectangular cavity is sleeved on the end of the third lead screw near the milling head; a positioning head that extends to the outside of the movable seat and is coaxial with the milling head is provided on the end face of the slider facing the milling head; a handwheel located outside the movable seat is coaxially provided on the end of the lead screw away from the slider; an electromagnetic brake is provided on the inner wall of the rectangular cavity and sleeved on the outside of the third lead screw; the electromagnetic brake is electrically connected to the control system to control the locking and unlocking of the third lead screw.

[0010] By adopting the above technical solution, when the workpiece is fixedly mounted on the milling head, the handwheel is manually turned to drive the third lead screw to rotate, causing the slider to drive the positioning head to slide, so that the front end of the positioning head extends and abuts against the end face of the workpiece to achieve axial limit, ensuring that the workpiece will not move axially during the processing. After the positioning head is pressed against the workpiece, the control system controls the electromagnetic brake to lock the third lead screw to ensure the stability of the positioning head position.

[0011] Preferably, a fourth motor is installed on the outer wall of one end of the housing; a fourth lead screw is coaxially fixed to the output end of the fourth motor; the fourth lead screw is arranged along the direction of the second guide rail and passes through the movable seat; the movable seat and the fourth lead screw are threadedly driven together.

[0012] By adopting the above technical solution, starting the fourth motor can drive the fourth lead screw to rotate, causing the moving seat to move along the axial direction of the fourth lead screw, and sending the positioning head to the vicinity of the workpiece end face to achieve coarse positioning, so that the extension length of the positioning head can be adjusted by the handwheel to make it abut against the workpiece end face.

[0013] Preferably, the top surface of the slide plate is equipped with a spray nozzle located on the top of the milling cutter via a universal bamboo joint tube; a mixing chamber is provided inside the spray nozzle; the base is provided with an air supply mechanism for supplying compressed air into the mixing chamber and a liquid supply mechanism for supplying coolant into the mixing chamber; the control system is electrically connected to both the air supply mechanism and the liquid supply mechanism.

[0014] By adopting the above technical solution, during the milling process, the control system can control the operation of the air delivery mechanism and the liquid delivery mechanism to deliver compressed air and coolant into the mixing chamber of the spray nozzle. The compressed air and coolant form micro-droplet spray in the mixing chamber and are sprayed onto the milling area. Through the combined action of the gas and liquid phases, the cutting temperature is reduced, tool wear is reduced, and the milling area is cooled and lubricated. At the same time, the coolant encapsulates the chip particles, increasing the chip weight, solving the problem of fine chips flying when using pure air-jet chip removal, and improving the working environment. In addition, the control system can also switch the spray mode according to the working conditions, realizing three functions of spray cooling, liquid lubrication, and air-blowing chip removal through the same spray nozzle.

[0015] Preferably, the gas delivery mechanism includes a gas pump; the gas pump is mounted on the housing and electrically connected to the control system, the gas pump input end is provided with an air inlet pipe, and the gas pump output end is provided with an air outlet pipe communicating with the mixing chamber.

[0016] By adopting the above technical solution, the air pump is started to draw in air from the outside environment through the air inlet pipe, and then the compressed gas is delivered to the mixing chamber of the spray nozzle through the air outlet pipe, thereby conveniently realizing the delivery of compressed air.

[0017] Preferably, the infusion mechanism includes a storage tank and a water pump; the storage tank is installed on the bottom surface of the base; the water pump is installed on the housing and electrically connected to the control system, the water pump input end is provided with a water inlet pipe communicating with the inside of the storage tank, and the water pump output end is provided with a water outlet pipe communicating with the mixing chamber.

[0018] By adopting the above technical solution, starting the water pump can extract the coolant from the storage tank, and the coolant is transported to the mixing chamber of the spray nozzle through the inlet and outlet pipes, thus facilitating the delivery of coolant.

[0019] Preferably, an inclined filter screen is installed on the inner wall of the liquid storage tank via a fixing plate; a drain port is provided on the platform; and a communication port connecting the drain port and the liquid storage tank is provided on the base at the position corresponding to the drain port.

[0020] By adopting the above technical solution, the droplets sprayed into the milling area and the milling debris will enter the storage tank through the drain port and the connecting port. The mixture will then be filtered by the filter screen to remove impurities from the liquid and the coolant will be recycled for reuse, thus saving resources.

[0021] Preferably, the liquid storage tank has a discharge port on the side wall facing the lower end of the filter screen; the fixing plate has a vibration motor installed on the bottom surface of the upper end.

[0022] By adopting the above technical solution, the vibration motor can cause the fixed plate and the filter screen to vibrate, thereby causing the debris and impurities accumulated on the surface of the filter screen to move toward the discharge port and be discharged, thus cleaning the debris and impurities on the surface of the filter screen and reducing the trouble of manually cleaning the filter screen.

[0023] Preferably, a semiconductor cooling chip is provided on the outer wall of the liquid storage tank.

[0024] By adopting the above technical solution, the semiconductor refrigeration chip is used to cool the coolant in the storage tank to ensure the cooling effect of the coolant.

[0025] In summary, this application has the following beneficial effects: 1. During milling, the workpiece is mounted and clamped on the milling head. Machining instructions are input to the equipment through a human-machine interface, and various milling parameters are set. The control system then controls the milling mechanism to automatically mill the workpiece according to these parameters, thereby reducing manual intervention, increasing automation, lowering labor costs, and improving milling efficiency. 2. During the milling process, the control system controls the air delivery mechanism and the liquid delivery mechanism to make compressed air and coolant form a fine droplet spray in the mixing chamber and spray it onto the milling area. Through the combined action of the gas and liquid phases, the cutting temperature is reduced, tool wear is reduced, and the milling area is cooled, lubricated and cleaned. This solves the problem of fine chips flying when using pure air jet chip removal and improves the working environment. 3. The droplet spray and milling debris eventually enter the storage tank, where the mixture is filtered to remove debris and impurities. A thermoelectric cooler is used to cool the coolant, enabling its reuse and saving resources. Attached Figure Description

[0026] Figure 1 This is a structural diagram of a fully automatic milling device; Figure 2This is a schematic diagram of the internal structure of the casing in this application; Figure 3 This is a schematic diagram of the mating structure of the fourth lead screw, the moving seat, and the positioning head in this application; Figure 4 This is a schematic diagram of the milling mechanism in this application; Figure 5 This is a schematic diagram of the internal structure of the liquid storage tank in this application.

[0027] Explanation of reference numerals in the attached drawings: 1. Base; 11. Platform; 111. Drain port; 12. First guide rail; 13. Second guide rail; 14. Connecting port; 2. Housing; 21. Milling head; 3. Milling mechanism; 31. Support base; 32. First motor; 321. First lead screw; 33. Electric actuator; 34. Support plate; 35. Second motor; 351. Second lead screw; 36. Slide plate; 37. Spindle motor; 371. Milling cutter; 4. Human-machine interface; 5. Control system; 6. Moving base; 61. Rectangular cavity; 62. Third lead screw; 63. Slider; 64. Positioning head; 65. Handwheel; 66. Electromagnetic brake; 67. Fourth motor; 671. Fourth lead screw; 68. Universal bamboo joint tube; 69. Spray nozzle; 7. Air delivery mechanism; 71. Air pump; 72. Air inlet pipe; 73. Air outlet pipe; 8. Liquid delivery mechanism; 81. Liquid storage tank; 811. Fixing plate; 812. Filter screen; 813. Discharge port; 814. Vibration motor; 815. Semiconductor cooling chip; 82. Water pump; 83. Water inlet pipe; 84. Water outlet pipe. Detailed Implementation

[0028] The present invention will be further described in detail below with reference to the accompanying drawings. Identical components are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," "lower," "bottom," and "top" used in the following description refer to directions in the drawings, while the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0029] This invention discloses a fully automatic milling device, such as... Figure 1 and Figure 2As shown, the system includes a base 1, a housing 2, a milling mechanism 3, a human-machine interface 4, and a control system 5. The housing 2 is mounted on the top surface of the base 1. A sliding door and an observation window are provided on the outer wall of one end of the housing 2. The top surface of the base 1 is horizontally fixed to a platform 11 located inside the housing 2. A milling head 21 is mounted on the outer wall of one end of the housing 2. The milling head 21 is a fixed chuck structure used to fix and clamp the workpiece, which is existing technology. The milling mechanism 3 is located on the top of the platform 11 and is used to perform milling operations on the workpiece. The human-machine interface 4 is located on the top surface of the base 1 and is used to input and display machining parameters, tool paths, and equipment status. The control system 5 is located on the top surface of the base 1. The input end of the control system 5 is electrically connected to the human-machine interface 4, and the output end of the control system 5 is electrically connected to both the milling head 21 and the milling mechanism 3.

[0030] The workpiece is mounted on the milling head 21 and fixedly clamped. The processing instructions are input to the equipment through the human-machine interface 4, and the processing parameters are set. The control system 5 controls the milling mechanism 3 to automatically mill the workpiece according to the set processing parameters, thereby reducing manual intervention, improving the degree of automation, reducing labor costs, and improving milling efficiency.

[0031] like Figure 1 , Figure 2 and Figure 3 As shown, a second guide rail 13 is fixedly connected to the top surface of the platform 11 and arranged along the axial direction of the milling head 21. A movable seat 6 is slidably installed on the top surface of the second guide rail 13. A positioning head 64 is provided on the end face of the milling head 21, which is coaxial with the milling head 21. The positioning head 64 can extend and retract within the movable seat 6 along the axial direction of the milling head 21. A fourth motor 67 is horizontally installed on the outer wall of one end of the housing 2. A fourth lead screw 671 extending into the housing 2 is coaxially fixed to the output end of the fourth motor 67. The fourth lead screw 671 passes horizontally through the movable seat 6 along the direction of the second guide rail 13. The movable seat 6 and the fourth lead screw 671 are threadedly driven together.

[0032] After the workpiece is clamped, starting the fourth motor 67 can drive the fourth lead screw 671 to rotate, causing the moving seat 6 to move axially along the fourth lead screw 671, sending the positioning head 64 to the vicinity of the workpiece end face to achieve coarse positioning, so that the extension length of the positioning head 64 can be precisely adjusted to make it abut against the workpiece end face for axial limiting.

[0033] like Figure 1 , Figure 2 and Figure 3As shown, the movable seat 6 has a rectangular cavity 61 arranged along the axial direction of the milling head 21 on the end face of the milling head 21. A third lead screw 62 is rotatably connected to the inner wall of the rectangular cavity 61. A slider 63 is sleeved on the end of the third lead screw 62 near the milling head 21 and is threadedly engaged with the third lead screw 62. A positioning head 64 is installed on the end face of the slider 63 near the milling head 21. The slider 63 is slidably engaged with the inner wall of the rectangular cavity 61. A handwheel 65 is coaxially arranged on the end of the lead screw away from the slider 63 and located outside the movable seat 6. An electromagnetic brake 66 is also provided on the inner wall of the rectangular cavity 61 and sleeved outside the third lead screw 62. The electromagnetic brake 66 is electrically connected to the control system 5 and controls the locking and unlocking of the third lead screw 62.

[0034] When the handwheel 65 is turned, the third lead screw 62 is rotated. The slider 63 will drive the positioning head 64 to slide, causing the front end of the positioning head 64 to extend and abut against the workpiece end face to achieve axial limit, ensuring that the workpiece will not move axially during processing. After the positioning head 64 is pressed against the workpiece, the control system 5 controls the electromagnetic brake 66 to lock the third lead screw 62 to ensure the stability of the position of the positioning head 64.

[0035] like Figure 1 , Figure 2 and Figure 4 As shown, a first guide rail 12 is horizontally arranged on the top surface of the platform 11 along the axial direction of the milling head 21. The milling mechanism 3 includes a support base 31, a first motor 32, a support plate 34, a second motor 35, and a spindle motor 37. The support base 31 is slidably disposed on the top surface of the first guide rail 12. The first motor 32 is horizontally mounted on the outer wall of one end of the housing 2. A first lead screw 321 extending into the housing 2 is coaxially fixed to the output end of the first motor 32. The first lead screw 321 passes through the support base 31 along the direction of the first guide rail 12. The support base 31 and the first lead screw 321 are threadedly connected. The support plate 34 is horizontally mounted on the top surface of the support base 31 via a set of vertically arranged electric push rods 33. The second motor 35 is horizontally mounted on the top surface of the support plate 34. The output end of the second motor 35 is coaxially fixed to a second lead screw 351 that is perpendicular to the axis of the first lead screw 321. A sliding plate 36 is slidably connected to the top surface of the support plate 34 on the outside of the second lead screw 351. The sliding plate 36 and the second lead screw 351 are threadedly driven together. The main spindle motor 37 is horizontally mounted on the top surface of the sliding plate 36. The output end of the main spindle motor 37 is coaxially mounted with a milling cutter 371 that is coaxial with the second lead screw 351. The output of the control system 5 is electrically connected to the first motor 32, the electric actuator 33, the second motor 35, and the spindle motor 37.

[0036] During the milling process, the control system 5 controls the first motor 32, the second motor 35 and the electric push rod 33 to work together to adjust the position of the milling head 21 in three dimensions. The spindle motor 37 is used to drive the milling cutter 371 to rotate so as to automatically mill the workpiece according to the set processing parameters.

[0037] like Figure 1 , Figure 2 and Figure 4 As shown, a spray nozzle 69 is installed on the top surface of the slide plate 36 through a universal bamboo tube 68. The spray nozzle 69 is located on the top of the milling cutter 371 and is arranged at an angle downward toward the milling area. The base 1 is provided with an air supply mechanism 7 and a liquid supply mechanism 8, both of which are electrically connected to the control system 5. The air supply mechanism 7 can supply compressed air into the spray nozzle 69, and the liquid supply mechanism 8 can supply coolant into the spray nozzle 69. A mixing chamber is provided inside the spray nozzle 69. The mixing chamber is used to mix the compressed air and coolant to form a gas-liquid two-phase spray, which is sprayed onto the contact area between the milling cutter 371 and the workpiece.

[0038] The control system 5 can control the air supply mechanism 7 and the liquid supply mechanism 8 to deliver compressed air and coolant to the mixing chamber of the spray nozzle 69. The compressed air and coolant form a fine droplet spray in the mixing chamber and are sprayed onto the milling area. Through the combined action of the gas and liquid phases, the cutting temperature is reduced, tool wear is reduced, and the milling area is cooled and lubricated. The air supply mechanism 7 and the liquid supply mechanism 8 can also work independently, so that the same spray nozzle 69 can realize three functions: spray cooling, liquid lubrication and air blowing chip removal, so as to change the spray mode according to the working conditions.

[0039] like Figure 1 , Figure 2 and Figure 4 As shown, the air delivery mechanism 7 includes an air pump 71 installed on the top surface of the housing 2. The air pump 71 is electrically connected to the output end of the control system 5. The input end of the air pump 71 is provided with an air inlet pipe 72 that communicates with the outside. The output end of the air pump 71 is provided with an air outlet pipe 73. The end of the air outlet pipe 73 away from the air pump 71 is fixed to the outer wall of the spray nozzle 69 and communicates with the mixing chamber.

[0040] Starting the air pump 71 allows for easy intake of ambient air through the air inlet pipe 72, and then the compressed gas is delivered to the mixing chamber of the spray nozzle 69 through the air outlet pipe 73, thus achieving convenient delivery of compressed air.

[0041] like Figure 1 , Figure 2 and Figure 4As shown, the infusion mechanism 8 includes a storage tank 81 and a water pump 82. The storage tank 81 is located on the bottom surface of the base 1 and contains coolant. The water pump 82 is installed on the top surface of the housing 2 and is electrically connected to the output end of the control system 5. The output end of the water pump 82 is provided with an inlet pipe 83. The end of the inlet pipe 83 away from the water pump 82 is fixed to the outer wall of the bottom end of the storage tank 81 and communicates with the storage tank 81. The output end of the water pump 82 is provided with an outlet pipe 84. The end of the outlet pipe 84 away from the water pump 82 is fixed to the outer wall of the spray nozzle 69 and communicates with the mixing chamber.

[0042] Starting the water pump 82 can extract the coolant from the storage tank 81. The coolant is then transported to the mixing chamber of the spray nozzle 69 via the inlet pipe 83 and the outlet pipe 84, thus facilitating the delivery of the coolant.

[0043] like Figure 1 , Figure 2 and Figure 5 As shown, the platform 11 has multiple vertically opened drain ports 111. The base 1 has a connecting port 14 at the position corresponding to the drain ports 111 to connect the drain ports 111 and the storage tank 81. The inner wall of the storage tank 81 near the top is provided with a filter screen 812 by a fixing plate 811. The mounting plate and the filter screen 812 are both arranged at an angle. The storage tank 81 has a discharge port 813 on the side wall of the mounting plate that is inclined towards the lower end. The bottom surface of the discharge port 813 is flush with the top surface of the lower end of the mounting plate. The fixing plate 811 has multiple vibration motors 814 on the bottom surface that is inclined towards the upper end. Multiple semiconductor cooling chips 815 are arranged in an array on the outer wall of the storage tank 81.

[0044] During the milling process, the sprayed droplets and milling debris eventually enter the storage tank 81. The filter screen 812 filters the mixture, and the semiconductor cooling chip 815 is used to cool the coolant so that the coolant can be reused. When a lot of debris and impurities accumulate on the surface of the filter screen 812, the vibration motor 814 is started to drive the filter screen 812 to shake, so that the debris and impurities are discharged through the discharge port 813, reducing the possibility of debris and impurities clogging the filter screen 812.

[0045] Working principle: The workpiece is mounted on the milling head 21. The control system 5 controls the milling head 21 to clamp and fix the workpiece. The fourth motor 67 is started to drive the fourth lead screw 671 to rotate, causing the moving seat 6 to move along the second guide rail 13. The positioning head 64 is moved to the vicinity of the end of the workpiece. Then, the handwheel 65 is turned to drive the third lead screw 62 to rotate, causing the slider 63 to drive the positioning head 64 to extend and press against the end face of the workpiece, thus axially limiting the workpiece. The control system 5 controls the electromagnetic brake 66 to lock the third lead screw 62, ensuring the stability of the position of the positioning head 64 and reducing the possibility of axial movement of the workpiece during processing. During milling, the operator inputs instructions to the equipment through the human-machine interface 4 and sets the processing parameters. The control system 5 controls the spindle motor 37 to drive the milling cutter 371 to rotate. The control system 5 controls the first motor 32, the second motor 35 and the electric push rod 33 to work together to adjust the position of the milling cutter 371 head in three dimensions, so as to realize the automatic milling of the workpiece according to the set processing parameters, improve the automation level of milling and improve processing efficiency. The spray nozzle 69 is adjusted to align with the milling area. During the milling process, the control system 5 controls the air pump 71 and water pump 82 to work, delivering compressed air and coolant to the mixing chamber of the spray nozzle 69. The compressed air and coolant form a fine droplet spray in the mixing chamber and are sprayed onto the milling area. Through the combined action of the gas and liquid phases, the cutting temperature is reduced, tool wear is reduced, and the milling area is cooled and lubricated. At the same time, the coolant encapsulates the chip particles, increasing the chip weight and solving the problem of fine chips flying during pure air chip removal, thus improving the working environment. During the milling process, the droplet spray and milling chips eventually enter the liquid storage tank 81. The filter screen 812 filters the mixture to remove debris and impurities mixed in the liquid. The semiconductor cooling chip 815 is used to cool the coolant so that the coolant can be reused and resources are saved.

[0046] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A fully automatic milling device, characterized in that: The system includes a base (1), a housing (2), and a milling mechanism (3). The housing (2) is located on the top surface of the base (1), and a milling head (21) for clamping and fixing workpieces is provided on the inner wall of one end of the housing (2). A platform (11) is provided on the top surface of the base (1). The milling mechanism (3) is located on the top of the platform (11) for milling workpieces. A human-machine interface (4) and a control system (5) are provided on the top surface of the base (1). The human-machine interface (4) is electrically connected to the control system (5) and is used to input and display machining parameters, tool paths, and equipment status. The control system (5) is electrically connected to both the milling head (21) and the milling mechanism (3).

2. The fully automatic milling device according to claim 1, characterized in that: The top surface of the platform (11) is provided with a first guide rail (12) arranged along the axial direction of the milling head (21); the milling mechanism (3) includes a support base (31) and a first motor (32); the support base (31) is slidably disposed on the top surface of the first guide rail (12), and a support plate (34) is horizontally mounted on the top surface of the support base (31) via an electric push rod (33); the first motor (32) is mounted on the outer wall of one end of the housing (2), and a first lead screw (321) is coaxially fixed to the output end of the first motor (32) and passes through the support base (31) along the arrangement direction of the first guide rail (12); the first lead screw (321) and the support base (31) are threadedly driven together; the top surface of the support plate (34) A second motor (35) is horizontally mounted; a second lead screw (351) perpendicular to the first lead screw (321) is coaxially fixed to the output end of the second motor (35); a sliding plate (36) is slidably connected to the top surface of the support plate (34) on the outside of the second lead screw (351); the sliding plate (36) is threadedly driven to the second lead screw (351); a spindle motor (37) is mounted on the top surface of the sliding plate (36); a milling cutter (371) coaxially with the second lead screw (351) is coaxially mounted to the output end of the spindle motor (37); the control system (5) is electrically connected to the first motor (32), the second motor (35), the spindle motor (37) and the electric push rod (33).

3. The fully automatic milling device according to claim 2, characterized in that: The top surface of the platform (11) is provided with a second guide rail (13) arranged in the same direction as the first guide rail (12); a movable seat (6) is slidably mounted on the top surface of the second guide rail (13); a rectangular cavity (61) is provided on the end face of the movable seat (6) facing the milling head (21); a third lead screw (62) is rotatably connected to the inner wall of the rectangular cavity (61); a slider (63) that slides with the inner wall of the rectangular cavity (61) is sleeved on the end of the third lead screw (62) near the milling head (21); A positioning head (64) is provided on the end face of the slider (63) facing the milling head (21), extending to the outside of the moving seat (6) and coaxial with the milling head (21); a handwheel (65) is provided on the end of the lead screw away from the slider (63) and located outside the moving seat (6); an electromagnetic brake (66) is provided on the inner wall of the rectangular cavity (61) and sleeved on the outside of the third lead screw (62); the electromagnetic brake (66) is electrically connected to the control system (5) to control the locking and unlocking of the third lead screw (62).

4. The fully automatic milling device according to claim 3, characterized in that: A fourth motor (67) is installed on the outer wall of one end of the housing (2); a fourth lead screw (671) is coaxially fixed to the output end of the fourth motor (67); the fourth lead screw (671) is arranged along the direction of the second guide rail (13) and passes through the movable seat (6); the movable seat (6) and the fourth lead screw (671) are threadedly driven together.

5. The fully automatic milling device according to claim 2, characterized in that: The top surface of the slide plate (36) is equipped with a spray nozzle (69) located on the top of the milling cutter (371) via a universal bamboo joint tube (68); a mixing chamber is provided inside the spray nozzle (69); the base (1) is provided with an air supply mechanism (7) that can supply compressed air into the mixing chamber and a liquid supply mechanism (8) that can supply coolant into the mixing chamber; the control system (5) is electrically connected to the air supply mechanism (7) and the liquid supply mechanism (8).

6. The fully automatic milling device according to claim 5, characterized in that: The gas delivery mechanism (7) includes a gas pump (71); the gas pump (71) is installed on the housing (2) and electrically connected to the control system (5). The gas pump (71) has an inlet pipe (72) at its input end and an outlet pipe (73) at its output end that communicates with the mixing chamber.

7. The fully automatic milling device according to claim 5, characterized in that: The infusion mechanism (8) includes a storage tank (81) and a water pump (82); the storage tank (81) is installed on the bottom surface of the base (1); the water pump (82) is installed on the housing (2) and electrically connected to the control system (5); the input end of the water pump (82) is provided with an inlet pipe (83) that communicates with the inside of the storage tank (81); the output end of the water pump (82) is provided with an outlet pipe (84) that communicates with the mixing chamber.

8. The fully automatic milling device according to claim 7, characterized in that: An inclined filter screen (812) is installed on the inner wall of the liquid storage tank (81) by a fixing plate (811); a drain port (111) is provided on the platform (11); a communication port (14) connecting the drain port (111) and the liquid storage tank (81) is provided on the base (1) at the position corresponding to the drain port (111).

9. The fully automatic milling device according to claim 8, characterized in that: The liquid storage tank (81) has a discharge port (813) on the side wall of the filter screen (812) facing the lower end; the fixing plate (811) has a vibration motor (814) installed on the bottom surface of the upper end.

10. A fully automatic milling device according to claim 7, characterized in that: A semiconductor cooling chip (815) is provided on the outer wall of the liquid storage tank (81).

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