An integrated brake disc inverted CNC lathe with automatic tool setting

Abstract

The present invention discloses an integrated brake disc inverted CNC lathe with automatic tool setting, which relates to the technical field of inverted CNC lathes. The brake disc inverted CNC lathe includes a bed, a drive device, a cooling device, a turret and a conveyor. The bed is provided with a conveyor, and the conveyor is provided with a carrier. The carrier is used to carry the workpiece. The drive device is connected to the bed, the turret is tightly connected to the bed, and the cooling device is connected to the turret. The bed serves as the main installation base for installing and fixing other devices. The drive device serves as the main power source, providing the power required during the machining process. The processing part of the workpiece is cooled by the cooling device, and the carrier is transported by the conveyor. The carrier is a double-station setting, including a blank position and a finished product position, for conveying the workpiece. The turret is used to provide a cutting tool.

Description

Technical Field

[0001] The invention relates to the technical field of inverted CNC lathes, in particular to an inverted CNC lathe with an integrated brake disc and automatic tool setting. Background Art

[0002] Brake discs are generally round discs that are widely used in braking systems and work with calipers to generate braking force, so the processing process is relatively complicated.

[0003] Currently, brake disc machining requires frequent tool changes, each requiring manual positioning and calibration, significantly impacting machining efficiency. The machining process can also easily cause localized heat accumulation between the workpiece and tool, impacting positioning accuracy. Most existing inverted CNC lathes still rely heavily on manual loading and require additional inspection stations for quality control of the processed products, resulting in a relatively decentralized process.

[0004] Furthermore, because continuous fragments are easily cut during machining, they can even wind around the workpiece surface at high speeds, damaging the machined surface and affecting machining accuracy. Inverted CNC lathes can perform roughing and finishing on brake discs, requiring high-quality machining conditions. To meet these high-precision machining requirements, CNC machining technology is often used, with nozzle-assisted waste collection to ensure smooth operation. Summary of the Invention

[0005] The object of the present invention is to provide an integrated brake disc inverted CNC lathe with automatic tool setting to solve the problems raised in the prior art.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] The brake disc inverted CNC lathe is used to machine workpieces. The brake disc inverted CNC lathe includes a bed, a drive device, a cooling device, a turret and a conveyor. The bed is provided with a conveyor, and the conveyor is provided with a carrier. The carrier is used to carry the workpiece. The drive device is connected to the bed, the turret and the bed are fastened together, and the cooling device is connected to the turret.

[0008] The bed serves as the main installation base, used to install and fix other devices. The drive device serves as the main power source, providing the power required for the machining process. The processing part of the workpiece is cooled by the cooling device, and the carrier is transported by the conveyor. The carrier has a double-station setting, including a blank position and a finished product position, for transporting the workpiece. The turret is used to provide cutting tools.

[0009] Furthermore, the driving device includes a driving module, a frame, a spindle, a fixture and a tool setting instrument. The driving module includes a vertical module and a horizontal module. The fixed end of the vertical module is fastened to the bed, the movable end of the vertical module is fastened to the fixed end of the horizontal module, the movable end of the horizontal module is fastened to the frame, the spindle is rotatably connected to the frame, the spindle is fastened to the fixture, and a tool setting instrument is provided on one side of the frame.

[0010] The turret includes a fixed seat, a cutter disc and a tool. The fixed seat is tightly connected to the bed, and the cutter disc and the fixed seat are rotatably connected. Several mounting seats are provided along the circumference of the cutter disc. Each mounting seat is provided with a tool. The tool setting instrument is used to position the tool.

[0011] The driving module adopts a conventional module structure to provide linear displacement, such as the form of a screw module. The vertical module is fixed on the bed, and the movable end is used to drive the transverse module to move in the vertical direction. The transverse module is used to provide transverse displacement, thereby driving the frame to move in a cross direction. A driving motor is set on the frame to drive the spindle to rotate. When the spindle rotates, it drives the fixture below to rotate. When the conveyor transports the workpiece to the predetermined workstation, the workpiece is automatically clamped by the fixture. The tool is fixed on the tool disc and supported by a fixed seat. The tool and driving power are separated to reduce the impact of vibration during power transmission. The tool on the tool disc is automatically aligned by the tool setter to improve processing efficiency.

[0012] Furthermore, the cooling device includes a nozzle, which is directed toward the cutting part of the tool and the workpiece, and the nozzle and the tool edge are located on the same side of the tool center plane.

[0013] The nozzle is connected to the coolant and is used to cool the cutting parts of the tool and the workpiece. The nozzle and the tool edge are set on the same side. When the cut strip separates from the workpiece surface, it forms an obtuse angle with the tangent line of the workpiece at this point. The high-pressure liquid sprayed by the nozzle impacts the strip, changing the obtuse angle into an acute angle, increasing the bending angle, thereby increasing the breaking force, reducing the forming length of the strip, and preventing damage to the workpiece surface.

[0014] Furthermore, the cooling device also includes a detection component, which includes a parallel light source and a photosensitive layer. The parallel light source and the photosensitive layer are respectively fastened to the nozzle. The outgoing light path of the parallel light source is irradiated on the cut part of the workpiece, and the reflected light path of the parallel light source is irradiated on the photosensitive layer. Two electrode columns are provided on the photosensitive layer, and the two electrode columns are respectively electrically connected to the two wiring terminals of the power supply.

[0015] The detection assembly is located on the side of the nozzle away from the cutting tool. The nozzle impacts the cut bar, creating an acute angle between the exiting light path and the perpendicular to the bar. This acute angle is the reflection angle. Light reflects from the polished cut surface and strikes the photosensitive layer, stimulating electron-hole pairs. This energizes the circuit formed by the two electrode columns and the power supply, generating a detection current. The detection current is positively correlated with the nozzle's output pressure. As the cut deepens, the water ejected from the nozzle is unable to bend the bar to the desired position. This decreases the reflection angle, shortening the optical path of the reflected light, reducing light loss and increasing the detection current. The nozzle's output pressure is then adjusted in real time based on the detection current to ensure efficient bending of the cut bar. The water ejected from the nozzle bends the bar away from the detection assembly, and the ejected debris flows downward under gravity, preventing it from being projected back onto the photosensitive layer, thus ensuring detection accuracy. At the same time, the start and stop of the detection component can be adjusted according to the needs of the working conditions. During the process of large cutting feed, the control accuracy requirement is not high and detection is not required. In the later stage of cutting, the cutting amount is small and the working conditions are good. The detection component can be controlled to start, so as to detect the cutting part and ensure the processing accuracy.

[0016] Furthermore, the cooling device also includes a reversing assembly, which includes a guide ring and a reversing motor. A reversing groove is provided on the fixed seat, the guide ring and the reversing groove are rotatably connected, the guide ring is provided with an internal tooth surface, the reversing motor and the fixed seat are tightly connected, and a gear is provided at the output end of the reversing motor, and the reversing motor is engaged with the internal tooth surface of the guide ring through the gear.

[0017] By setting up a reversing assembly, after changing the tool, the reversing motor drives the gear to rotate and engage with the inner tooth surface of the guide ring, thereby driving the guide ring to rotate along the reversing groove. According to different tools, the position of the nozzle is automatically adjusted to ensure that the cutting edge of the nozzle and the tool can be located on the same side of the center plane of the tool.

[0018] Furthermore, the turret also includes a tool-changing motor, the tool-changing motor is fastened to the fixed seat, the output end of the tool-changing motor is fastened to the cutter disc, and the cutter disc is rotatably connected to the fixed seat.

[0019] The tool changing motor is installed on the fixed seat and is used to output torque to drive the cutter disc to rotate. During different processing processes, the corresponding tool is rotated to the top by rotating the cutter disc, thereby improving the efficiency of automatic tool changing.

[0020] Furthermore, the turret also includes a knife locking assembly, which includes a locking cylinder and a locking rod. The locking cylinder is fastened to the fixed seat, the output end of the locking cylinder is fastened to the locking rod, a locking hole is provided on the mounting seat, the locking rod is adapted to the locking hole, and the locking rod is pyramid-shaped.

[0021] After the tool is rotated to the top, the locking cylinder installed on the fixed seat outputs the displacement, driving the locking rod to move down. The locking rod is pyramid-shaped, and the cross-sectional area decreases from top to bottom. When the locking rod is inserted into the locking hole, the deflection angle of the cutter disc is automatically corrected to improve the tool change accuracy. After the locking rod is fully inserted into the locking hole, the cutter disc is locked to prevent the cutter disc from shaking during processing and affecting the processing accuracy.

[0022] As an optimization, the bed is equipped with a slag chute located below the tool processing position. By setting up the slag chute, water is sprayed through the nozzle to make the chip residue fall into the slag chute for automatic collection, facilitating continuous processing.

[0023] As an optimization, a measuring head is installed on the bed to inspect the finished workpiece. After the workpiece is processed, it is moved to the measuring head position by a fixture, and the measuring head automatically detects the workpiece's dimensions.

[0024] Compared with the prior art, the beneficial effects of the present invention are as follows: when the conveyor conveys the workpiece to the predetermined workstation, the workpiece is automatically clamped by the fixture, the tool is fixed on the cutter disc and supported by the fixed seat, the tool and the driving power are separated, the influence of vibration during the power transmission process is reduced, and the tool on the cutter disc is automatically aligned by the tool setter to improve the processing efficiency; the nozzle and the tool edge are arranged on the same side, when the cut strip is separated from the workpiece surface, it forms an obtuse angle with the tangent line of the workpiece at this point, and the high-pressure liquid sprayed by the nozzle impacts the strip, changing the obtuse angle to an acute angle, so that the bending angle is increased, thereby increasing the breaking force and reducing the strip The forming length of the object is reduced to prevent damage to the workpiece surface; the nozzle impacts the cut strip, so that the exit light path and the vertical line of the strip are at an acute angle. This acute angle is the reflection angle. The cut bright surface reflects the light and falls on the photosensitive layer, exciting electron-hole pairs, making the circuit composed of the two electrode columns and the power supply conductive, generating a detection current. The detection current is positively correlated with the exit pressure of the nozzle. When the cutting depth increases, the water emitted by the nozzle cannot bend the strip to the predetermined position, that is, the reflection angle decreases, the optical path of the reflected light is shortened, the light loss is reduced, and the detection current increases. Therefore, the exit pressure of the nozzle is adjusted in real time according to the detection current to ensure the bending efficiency of the cut strip. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0026] Figure 2 This is a schematic diagram of power transmission of the driving device of the present invention;

[0027] Figure 3 for Figure 2 A magnified view of a part A of the view;

[0028] Figure 4 It is a schematic structural diagram of the cooling device of the present invention;

[0029] Figure 5 for Figure 4 A magnified view of a detail B of the view;

[0030] Figure 6 It is a schematic structural diagram of the reversing assembly of the present invention;

[0031] Figure 7 It is a structural schematic diagram of the knife locking assembly of the present invention.

[0032] In the figure: 1. Bed; 11. Slag chute; 2. Drive device; 21. Drive module; 211. Vertical module; 212. Horizontal module; 22. Frame; 23. Spindle; 24. Fixture; 25. Tool setter; 3. Cooling device; 31. Nozzle; 32. Detection component; 321. Parallel light source; 322. Photosensitive layer; 323. Electrode column; 33. Reversing component; 331. Guide ring; 332. Reversing motor; 4. Turret; 41. Fixed seat; 411. Reversing slot; 42. Cutting disc; 43. Mounting seat; 44. Tool locking assembly; 441. Locking cylinder; 442. Locking rod; 45. Tool changing motor; 46. Cutting tool; 5. Conveyor; 6. Carrier; 7. Workpiece; 8. Measuring head. DETAILED DESCRIPTION

[0033] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0034] Example: Figure 1-Figure 7 As shown, the present invention provides a technical solution for an integrated brake disc inverted CNC lathe with automatic tool setting.

[0035] The brake disc inverted CNC lathe is used to machine the workpiece 7. The brake disc inverted CNC lathe includes a bed 1, a drive device 2, a cooling device 3, a turret 4 and a conveyor 5. The bed 1 is provided with a conveyor 5, and the conveyor 5 is provided with a carrier 6. The carrier 6 is used to carry the workpiece 7. The drive device 2 is connected to the bed 1, the turret 4 is firmly connected to the bed 1, and the cooling device 3 is connected to the turret 4.

[0036] The bed 1 serves as the main installation base for installing and fixing other devices. The driving device 2 serves as the main power source, providing the power required during the machining process. The processing part of the workpiece 7 is cooled by the cooling device 3. The carrier 6 is transported by the conveyor 5. The carrier 6 is a double-station setting, including a blank position and a finished product position, for transporting the workpiece 7. The turret 4 is used to provide a cutting tool 46.

[0037] Furthermore, the driving device 2 includes a driving module 21, a frame 22, a spindle 23, a fixture 24 and a tool setting instrument 25. The driving module 21 includes a vertical module 211 and a horizontal module 212. The fixed end of the vertical module 211 is fastened to the bed 1, the movable end of the vertical module 211 is fastened to the fixed end of the horizontal module 212, the movable end of the horizontal module 212 is fastened to the frame 22, the spindle 23 is rotatably connected to the frame 22, the spindle 23 is fastened to the fixture 24, and a tool setting instrument 25 is provided on one side of the frame 22.

[0038] The turret 4 includes a fixed seat 41, a cutter disc 42 and a tool 46. The fixed seat 41 is tightly connected to the bed 1, and the cutter disc 42 is rotatably connected to the fixed seat 41. Several mounting seats 43 are provided along the circumference of the cutter disc 42. Each mounting seat 43 is provided with a tool 46. The tool setting instrument 25 is used to position the tool 46.

[0039] The driving module 21 adopts a conventional module structure for providing linear displacement, such as a screw module. The vertical module 211 is fixed on the bed 1, and the movable end is used to drive the transverse module 212 to move in the vertical direction. The transverse module 212 is used to provide transverse displacement, thereby driving the frame 22 to move in a cross direction. A driving motor is set on the frame 22 to drive the main shaft 23 to rotate. When the main shaft 23 rotates, it drives the clamp 24 below to rotate. When the conveyor 5 transports the workpiece to the predetermined workstation, the workpiece is automatically clamped by the clamp 24. The tool 46 is fixed on the cutter disc 42 and supported by the fixed seat 41. The tool 46 and the driving power are separated to reduce the influence of vibration during power transmission. The tool 46 on the cutter disc 42 is automatically aligned by the tool setter to improve processing efficiency.

[0040] Furthermore, the cooling device 3 includes a nozzle 31 , which is directed toward the tool 46 and the cutting portion of the workpiece 7 , and the nozzle 31 and the cutting edge of the tool 46 are located on the same side of the center plane of the tool 46 .

[0041] The nozzle 31 is connected to the coolant and is used to cool the cutting parts of the tool 46 and the workpiece 7. The nozzle 31 and the cutting edge of the tool 46 are arranged on the same side. When the cut strip is separated from the surface of the workpiece 7, it forms an obtuse angle with the tangent line of the workpiece 7 at this point. The high-pressure liquid sprayed by the nozzle 31 impacts the strip, changing the obtuse angle into an acute angle, thereby increasing the bending angle, thereby increasing the breaking force, reducing the forming length of the strip, and preventing damage to the workpiece surface.

[0042] Furthermore, the cooling device 3 also includes a detection component 32, which includes a parallel light source 321 and a photosensitive layer 322. The parallel light source 321 and the photosensitive layer 322 are respectively fastened to the nozzle 31. The outgoing light path of the parallel light source 321 is irradiated on the cut part of the workpiece 7, and the reflected light path of the parallel light source 321 is irradiated on the photosensitive layer 322. Two electrode columns 323 are provided on the photosensitive layer 322, and the two electrode columns 323 are respectively electrically connected to the two wiring terminals of the power supply.

[0043] The detection component 32 is located on the side of the nozzle 31 away from the tool 46. The nozzle 31 impacts the cut strip, so that the output light path and the vertical line of the strip are at an acute angle. This acute angle is the reflection angle. The cut bright surface reflects the light and falls on the photosensitive layer 322, exciting electron-hole pairs, so that the circuit composed of the two electrode columns 323 and the power supply is turned on, generating a detection current. The detection current is positively correlated with the output pressure of the nozzle 31. When the cutting depth increases, the water emitted by the nozzle 31 cannot bend the strip to the predetermined position, that is, the reflection angle decreases, the optical path of the reflected light is shortened, the light loss is reduced, and the detection current increases, so that the output pressure of the nozzle 31 is adjusted in real time according to the detection current to ensure the bending efficiency of the cut strip.

[0044] Furthermore, the cooling device 3 also includes a reversing assembly 33, the reversing assembly 33 includes a guide ring 331 and a reversing motor 332, a reversing groove 411 is provided on the fixed seat 41, the guide ring 331 and the reversing groove 411 are rotatably connected, the guide ring 331 is provided with an internal tooth surface, the reversing motor 332 and the fixed seat 41 are tightly connected, and a gear is provided at the output end of the reversing motor 332, and the reversing motor 332 is engaged with the internal tooth surface of the guide ring 331 through the gear.

[0045] By setting up the reversing component 33, after the tool is changed, the gear is driven to rotate by the reversing motor 332 and engages with the inner tooth surface of the guide ring 331, thereby driving the guide ring 331 to rotate along the reversing groove 411. The guide ring 331 is connected to the nozzle 31 through a movable bracket. The movable bracket includes two support rods and an anti-collision motor. The anti-collision motor is fixed on the support rod close to the guide ring 331. The output torque can drive the other support rod to rotate to prevent motion interference. According to different tools, the position of the nozzle 31 is automatically adjusted to ensure that the cutting edges of the nozzle 31 and the tool 46 can be located on the same side of the center plane of the tool 46.

[0046] Furthermore, the turret 4 further includes a tool-changing motor 45 , which is fastened to the fixing seat 41 , an output end of the tool-changing motor 45 is fastened to the cutter disc 42 , and the cutter disc 42 is rotatably connected to the fixing seat 41 .

[0047] The tool changing motor 45 is mounted on the fixed seat 41 and is used to output torque to drive the cutter head 42 to rotate. During different processing steps, the corresponding tool 46 is rotated to the top by rotating the cutter head 42, thereby improving the efficiency of automatic tool changing.

[0048] Furthermore, the turret 4 also includes a knife locking assembly 44, which includes a locking cylinder 441 and a locking rod 442. The locking cylinder 441 is fastened to the fixed seat 41, and the output end of the locking cylinder 441 is fastened to the locking rod 442. A locking hole is provided on the mounting seat 43, and the locking rod 442 is adapted to the locking hole, and the locking rod 442 is pyramid-shaped.

[0049] After the tool 46 is rotated to the top, the locking cylinder 441 installed on the fixed seat 41 outputs the displacement, driving the locking rod 442 to move downward. The locking rod 442 is pyramidal in shape, and the cross-sectional area decreases from top to bottom. When the locking rod 442 is inserted into the locking hole, the deflection angle of the cutter disc 42 is automatically corrected to improve the tool changing accuracy. After the locking rod 442 is fully inserted into the locking hole, the cutter disc 42 is locked to prevent the cutter disc 42 from shaking during the processing and affecting the processing accuracy.

[0050] As an optimization, the bed 1 is provided with a slag chute 11, which is located below the processing position of the tool 46. By setting the slag chute 11, water is sprayed through the nozzle 31 to make the chip residue fall into the slag chute 11 and automatically collected, which is convenient for continuous processing.

[0051] As an optimization, a measuring head 8 is provided on the bed 1, which is used to detect the finished workpiece 7. After the workpiece 7 is processed, the workpiece 7 is moved to the position of the measuring head 8 by the fixture 24, and the size of the workpiece 7 is automatically detected by the measuring head 8.

[0052] The working principle of the present invention is as follows: when the conveyor 5 conveys the workpiece to the predetermined workstation, the workpiece is automatically clamped by the clamp 24, the tool 46 is fixed on the cutter disc 42, and supported by the fixed seat 41, the tool 46 and the driving power are separated to reduce the influence of vibration during the power transmission process, and the tool 46 on the cutter disc 42 is automatically aligned by the tool setter to improve the processing efficiency; the nozzle 31 and the cutting edge of the tool 46 are arranged on the same side, when the cut strip is separated from the surface of the workpiece 7, it forms an obtuse angle with the tangent line of the workpiece 7 at this point, and the high-pressure liquid sprayed by the nozzle 31 impacts the strip, changing the obtuse angle to an acute angle, so that the bending angle increases, thereby increasing the breaking force and reducing the strip The molding length of the object is controlled to prevent damage to the surface of the workpiece; the nozzle 31 impacts the cut strip, so that the outgoing light path and the vertical line of the strip are at an acute angle. This acute angle is the reflection angle. The cut bright surface reflects the light and falls on the photosensitive layer 322, exciting electron-hole pairs, so that the circuit composed of the two electrode columns 323 and the power supply is turned on, generating a detection current. The detection current is positively correlated with the output pressure of the nozzle 31. When the cutting depth increases, the water emitted by the nozzle 31 cannot bend the strip to the predetermined position, that is, the reflection angle decreases, the optical path of the reflected light is shortened, the light loss is reduced, and the detection current increases, so that the output pressure of the nozzle 31 is adjusted in real time according to the detection current to ensure the bending efficiency of the cut strip.

[0053] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An integrated brake disc inverted CNC lathe with automatic tool setting, the brake disc inverted CNC lathe is used for machining a workpiece (7), characterized in that: The brake disc inverted CNC lathe comprises a bed (1), a driving device (2), a cooling device (3), a turret (4) and a conveyor (5), wherein the bed (1) is provided with a conveyor (5), the conveyor (5) is provided with a carrier (6), the carrier (6) is used to carry a workpiece (7), the driving device (2) is connected to the bed (1), the turret (4) is fastened to the bed (1), and the cooling device (3) is connected to the turret (4); The driving device (2) includes a driving module (21), a frame (22), a main shaft (23), a fixture (24) and a tool setting instrument (25), wherein the driving module (21) includes a vertical module (211) and a horizontal module (212), wherein the fixed end of the vertical module (211) is fastened to the bed (1), the movable end of the vertical module (211) is fastened to the fixed end of the horizontal module (212), the movable end of the horizontal module (212) is fastened to the frame (22), the main shaft (23) is rotatably connected to the frame (22), the main shaft (23) is fastened to the fixture (24), and a tool setting instrument (25) is provided on one side of the frame (22); The cooling device (3) comprises a nozzle (31), wherein the nozzle (31) is directed toward the cutting part of the tool (46) and the workpiece (7); The cooling device (3) further includes a detection component (32), the detection component (32) including a parallel light source (321) and a photosensitive layer (322), the parallel light source (321) and the photosensitive layer (322) being respectively fastened to the nozzle (31), the outgoing light path of the parallel light source (321) irradiating the cut portion of the workpiece (7), and the reflected light path of the parallel light source (321) irradiating the photosensitive layer (322), two electrode columns (323) being provided on the photosensitive layer (322), the two electrode columns (323) being respectively electrically connected to two wiring terminals of a power supply.

2. The automatic tool setting integrated brake disc inverted CNC lathe according to claim 1, characterized in that: The turret (4) includes a fixed seat (41), a cutter disc (42) and a cutter (46); the fixed seat (41) is tightly connected to the bed (1); the cutter disc (42) and the fixed seat (41) are rotatably connected; a plurality of mounting seats (43) are provided along the circumference of the cutter disc (42); each mounting seat (43) is provided with a cutter (46); and the tool setting instrument (25) is used to position the cutter (46).

3. The automatic tool setting integrated brake disc inverted CNC lathe according to claim 2, characterized in that: The nozzle (31) and the cutting edge of the tool (46) are located on the same side of the center plane of the tool (46).

4. The automatic tool setting integrated brake disc inverted CNC lathe according to claim 3, characterized in that: The cooling device (3) further includes a reversing assembly (33), the reversing assembly (33) including a guide ring (331) and a reversing motor (332), the fixing seat (41) is provided with a reversing groove (411), the guide ring (331) and the reversing groove (411) are rotatably connected, the guide ring (331) is provided with an internal tooth surface, the reversing motor (332) and the fixing seat (41) are tightly connected, the output end of the reversing motor (332) is provided with a gear, and the reversing motor (332) is meshed with the internal tooth surface of the guide ring (331) through the gear.

5. The automatic tool setting integrated brake disc inverted CNC lathe according to claim 4, characterized in that: The turret (4) further comprises a tool-changing motor (45), the tool-changing motor (45) and the fixing seat (41) are fastened together, the output end of the tool-changing motor (45) and the cutter disc (42) are fastened together, and the cutter disc (42) and the fixing seat (41) are rotatably connected.

6. The automatic tool setting integrated brake disc inverted CNC lathe according to claim 5, characterized in that: The turret (4) further includes a knife locking assembly (44), the knife locking assembly (44) including a locking cylinder (441) and a locking rod (442), the locking cylinder (441) and the fixing seat (41) are fastened together, the output end of the locking cylinder (441) and the locking rod (442) are fastened together, a locking hole is provided on the mounting seat (43), the locking rod (442) and the locking hole are adapted, and the locking rod (442) is pyramid-shaped.

7. The automatic tool setting integrated brake disc inverted CNC lathe according to claim 6, characterized in that: The bed (1) is provided with a slag dropping trough (11), and the slag dropping trough (11) is located below the machining position of the tool (46).

8. The automatic tool setting integrated brake disc inverted CNC lathe according to claim 7, characterized in that: A measuring head (8) is provided on the bed (1), and the measuring head (8) is used to detect the finished workpiece (7).

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