Cutting machine tool for machining differential shell and using method of cutting machine tool

Abstract

The cutting machine tool comprises a machine tool body, a motor box is arranged on one side of the machine tool body, a clamping mechanism is arranged on one side of the outer wall of the motor box, a protection plate is arranged on the other side of the outer wall of the motor box, and an alignment mechanism is arranged on one side of the clamping mechanism. An outer cutting mechanism is arranged above the alignment mechanism, a profiling mold is arranged on one side of the outer cutting mechanism, an inner cutting mechanism is arranged above the profiling mold, a telescopic rod is arranged on one side of the inner cutting mechanism, a support is arranged on one side of the telescopic rod, and a power box is arranged on one side of the support. Through the special cutting machine tool and the precision machining method, the machining efficiency and precision of the differential shell are remarkably improved, the operation process is simplified, the skill requirement for operators is lowered, meanwhile, the safety and maintainability of equipment are enhanced, the long-term maintenance cost is reduced, and the production quality and economic benefits are overall improved.

Description

Technical Field

[0001] The present invention relates to the field of differential case processing, and more particularly to a cutting machine tool for differential case processing and a method for using the same. Background Art

[0002] The differential is an important component in the automobile transmission system. The quality of its housing directly affects the reliability and service life of the entire transmission system. Traditional differential housing processing mostly uses general-purpose machine tools for processing; After searching, the existing patent (publication number: CN207592789U) discloses a special vertical lathe for automobile differential, including a main bed, an upper bed and a dynamic column. The front side of the main bed is provided with a spindle box, the spindle is fixed therein, and a chuck for clamping the automobile differential is provided on the spindle. The rear side of the main bed bulges upward to form a platform, the front side of the platform is fixed with an X-axis main rail, the rear side of the platform is fixed with the upper bed, and the top of the upper bed is fixed with an X-axis secondary rail. The dynamic column is slidably connected to the X-axis main rail and the X-axis secondary rail, and the front side of the dynamic column is provided with a Z-axis lead screw and two parallel guide rails. The Z-axis lead screw and the Z-axis guide rail are slidably provided with a slider, and a turntable is connected to the slider, and a hook-shaped knife is connected to the turntable. The above-mentioned special vertical lathe for automobile differential is used to process the spherical arc surface inside the differential, which improves production efficiency, reduces the labor intensity of workers, and has high processing precision of finished products, which greatly improves the product qualification rate. In the process of implementing this solution, the inventor found that the prior art has the following problems: Existing machine tools cannot process the inner and outer surfaces of the housing at the same time, which leads to cumbersome processing procedures and extended production cycles, thus affecting the overall processing efficiency. At the same time, general-purpose machine tools may not be able to meet the strict requirements of differential housings in terms of processing accuracy. Especially in mass production, the insufficient accuracy of machine tools may lead to slight differences in the size and shape of each housing, affecting the quality of the final product. Therefore, in view of the above problems, a cutting machine tool for machining a differential case and a method for using the same are proposed. Summary of the invention

[0003] In order to overcome the above-mentioned defects of the prior art, the present invention provides a cutting machine tool for machining a differential case and a method of using the same to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a cutting machine tool for processing a differential case, comprising a machine tool, a motor box is arranged on one side of the machine tool, a clamping mechanism is arranged on one side of the outer wall of the motor box, a protective plate is arranged on the other side of the outer wall of the motor box, a positioning mechanism is arranged on one side of the clamping mechanism, an external cutting mechanism is arranged above the positioning mechanism, a profiling mold is arranged on one side of the external cutting mechanism, an internal cutting mechanism is arranged above the profiling mold, a telescopic rod is arranged on one side of the internal cutting mechanism, a bracket is arranged on one side of the telescopic rod, and a power box is arranged on one side of the bracket.

[0005] Preferably, a heat sink is provided on one side of the motor box away from the clamping mechanism, a power supply is provided on one side of the heat sink, a No. 1 motor is provided on one side of the power supply, the No. 1 motor is connected to the clamping mechanism, a slide rail is provided on one side of the protective plate, and the protective plate is connected to the motor box through the slide rail, so that the protective plate can translate left and right along the horizontal direction of the slide rail, and explosion-proof glass is provided inside the protective plate.

[0006] Preferably, the clamping mechanism includes a rotating table, a movable groove, a No. 1 lead screw and a clamp, a movable groove is provided on one side of the rotating table, three groups of movable grooves are provided, and the three groups of movable grooves are evenly arranged along the circumferential direction of the rotating table, a No. 1 lead screw is provided inside the movable groove, a clamp is provided on one side of the No. 1 lead screw, and the clamp can be displaced along the No. 1 lead screw.

[0007] Preferably, the alignment mechanism includes a sliding plate, a driving roller, a triangular guide rail and a control disk No. 1, driving rollers are provided on both sides of the bottom of the sliding plate, a triangular guide rail is provided below the driving roller, and a control disk No. 1 is provided on one side of the driving roller through a gear, and the sliding plate is translated in the horizontal direction along the two groups of triangular guide rails by rotating the control disk No. 1.

[0008] Preferably, the external cutting mechanism includes a workbench, a No. 2 lead screw, a No. 2 control disk and a cutting tool holder, a No. 2 lead screw is arranged at the bottom of the workbench, a No. 2 control disk is arranged on one side of the No. 2 lead screw, and a cutting tool holder is arranged on the top of the workbench, and the No. 2 control disk is rotated so that the workbench drives the cutting tool holder to fit with the differential housing.

[0009] Preferably, a driving track is provided at the bottom of the cutting tool holder, micro-springs are provided on both sides of the driving track, a positioning bolt is provided on one side of the inner part of the cutting tool holder, a cutting blade is provided on one side of the positioning bolt, a fixing splint is provided above the cutting blade, bolts are provided at the four corners of the top of the fixing splint, the positioning bolt and the cutting blade are connected to the fixing splint through the bolts, and a locking knob is provided at the top center of the fixing splint, and the fixing splint can be connected to the cutting tool holder through the locking knob.

[0010] Preferably, an I-shaped groove is provided on one side of the profiling mold, and a load-bearing arm is provided on one side of the I-shaped groove. The profiling mold is connected to the load-bearing arm through the I-shaped groove, and one end of the positioning bolt is in contact with the outer wall of the profiling mold, so that the cutting tool holder is horizontally displaced along the driving track to drive the positioning bolt to displace along the outer wall of the profiling mold, so that the cutting tool holder drives the cutting blade to displace along the outer wall shape of the profiling mold through the micro-spring during displacement.

[0011] Preferably, the internal cutting mechanism includes a rotating head, a heat sink, a laser generator and an excitation lens, a heat sink is provided on one side of the rotating head, the heat sink is provided in several groups, and each group of heat sinks is evenly arranged along the vertical direction of the rotating head, a laser generator is provided on one side of the heat sink, an excitation lens is provided on one side of the laser generator, the laser generator and the excitation lens are vertically arranged on the rotating head, the internal cutting mechanism can be horizontally displaced by the telescopic rod, and the rotating head and the clamping mechanism rotate in opposite directions.

[0012] Preferably, a power control module is provided on one side of the laser generator, a liquid cooling passage is provided on one side of the power control module, and one side of the liquid cooling passage is connected to the heat sink.

[0013] Preferably, a cutting machine tool for machining a differential housing and a method for using the same, the method for using the same comprising the following steps: Step 1: Install the differential housing on one side of the rotating table by using the clamp; Step 2: adjusting the position of the sliding plate on the triangular guide rail by means of a No. 1 control panel so that the outer cutting mechanism on the top of the sliding plate fits with the outer wall of the differential housing; Step 3: The cutting tool holder drives the cutting blade to fit closely with the differential housing through the No. 2 control panel, and the positioning bolt fits with the profiling mold, so that the cutting blade cuts the outer wall of the differential housing along the outer wall shape of the profiling mold; Step 4: The inner cutting mechanism is extended into the inner cavity of the differential case through the telescopic rod, and the laser generator is driven by the rotating head to perform circular motion on the inner spherical surface of the differential case. At the same time, the telescopic rod and the power control module are used to control the laser generator to perform precise cutting along the inner spherical curve of the differential case.

[0014] Technical effects and advantages of the present invention: Compared with the prior art, the cutting machine tool for processing the differential case and the method of using the same can accurately fix and position the differential case through a dedicated clamping mechanism and an alignment mechanism, making the external cutting and internal cutting processes more precise, thereby significantly improving the processing accuracy. Since the machine tool has both an external cutting mechanism and an internal cutting mechanism, the inner and outer surfaces of the differential case can be processed simultaneously, greatly reducing the processing time and improving production efficiency.

[0015] Compared with the prior art, the cutting machine tool for processing the differential case and the method for using the same ensure that the processed product meets the design requirements by using a contoured die to guide the cutting tool holder to move along the outer wall shape of the differential case, thereby reducing the error rate and scrap rate in production. At the same time, the design simplifies the processing operation process, and through precise control panels, sliding plates and other components, operators can quickly and accurately adjust and set, reducing the difficulty of operation and saving training costs.

[0016] Compared with the prior art, the internal cutting mechanism of the cutting machine tool and the method of using the same for processing the differential housing adopts a laser generator for non-contact processing, which not only avoids the tool wear problem in traditional mechanical processing, but also can process more complex inner cavity shapes and expand the processing range. At the same time, the design of the power control module ensures the stable output of the laser generator during the processing, and the liquid cooling passage effectively dissipates heat, ensuring the reliability of long-term processing and the service life of the laser. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the partial three-dimensional structure of the alignment mechanism and the clamping mechanism of the present invention.

[0019] Figure 3 It is a schematic diagram of the partial three-dimensional structure of the external cutting mechanism and the micro-motion spring of the present invention.

[0020] Figure 4 It is a schematic diagram of the partial three-dimensional structure of the clamping mechanism of the present invention.

[0021] Figure 5 It is a schematic diagram of the side cross-sectional structure of the motor box and the clamping mechanism of the present invention.

[0022] Figure 6 It is a schematic diagram of the partial structure of the sliding plate and the driving roller of the present invention from the front view.

[0023] Figure 7 It is a schematic diagram of the partial three-dimensional structure of the profiling mold and the load-bearing arm of the present invention.

[0024] Figure 8 It is a working schematic diagram of the internal cutting mechanism of the present invention cutting the inner cavity of the differential housing.

[0025] The accompanying drawings are marked as follows: 1, machine tool; 2, motor box; 3, clamping mechanism; 4, protective plate; 5, alignment mechanism; 6, external cutting mechanism; 7, profiling mold; 8, internal cutting mechanism; 9, telescopic rod; 10, bracket; 11, power box; 12, heat sink; 13, power supply; 14, No. 1 motor; 15, rotating table; 16, moving groove; 17, No. 1 lead screw; 18, fixture; 19, slide rail; 20, explosion-proof glass; 21, sliding plate; 22, driving roller; 23, three Angle guide rail; 24. Control panel No. 1; 25. Workbench; 26. Lead screw No. 2; 27. Control panel No. 2; 28. Cutting tool holder; 29. ​​Drive track; 30. Micro-spring; 31. Positioning bolt; 32. Cutting blade; 33. Fixed splint; 34. Bolt; 35. Locking knob; 36. I-shaped groove; 37. Load-bearing arm; 38. Rotating head; 39. Heat sink; 40. Laser generator; 41. Excitation lens; 42. Power control module; 43. Liquid cooling passage. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Embodiment 1

[0027] As attached Figures 1 to 8The cutting machine tool for differential housing processing shown includes machine tool 1. The machine tool 1 uses high-strength cast iron or steel to manufacture the bed to ensure the stability of the structure. The machine tool 1 serves as the basic frame of the entire equipment, supports and fixes all other components, and provides accurate reference planes and guide rails. The machine tool 1 ensures the overall stability and processing accuracy of the equipment and provides a solid foundation for precision processing. A motor box 2 is arranged on one side of the machine tool 1. The motor box 2 is made of steel structure or aluminum alloy, and a motor 14 and related electrical components are installed inside. The motor box 2 is usually located on one side of the machine tool 1 to provide power for the clamping mechanism 3. A clamping mechanism 3 is arranged on one side of the outer wall of the motor box 2. The clamping mechanism 3 uses wear-resistant materials to manufacture the fixture 18 and moving parts. The accuracy of the parts is ensured by precision casting and machining. It is used to fix and position the differential housing to be processed to ensure that the workpiece is stable during the processing to achieve precise cutting.

[0028] A protective plate 4 is provided on the other side of the outer wall of the motor box 2. The protective plate 4 is made of steel plate or transparent explosion-proof material. A solid protective structure is formed by bending, welding and other processes. The protective plate 4 is installed between the motor box 2 and the operating area to provide physical isolation to prevent chips and coolant from splashing onto the motor box and the operator. After the differential housing is placed, the protective plate 4 is dragged into the operating area for protection, which is convenient for the staff to operate. A positioning mechanism 5 is provided on one side of the clamping mechanism 3. The positioning mechanism 5 uses precision sliding elements and drive rollers 22 to ensure smooth movement through mechanical processing and assembly. The positioning mechanism 5 includes a sliding plate 21, a drive roller 22, a triangular guide rail 23 and a control disk, which are used to adjust the precise position of the workpiece or the tool, to achieve precise alignment between the workpiece and the tool, and to ensure the accuracy of the processing process.

[0029] An external cutting mechanism 6 is arranged above the alignment mechanism 5. The external cutting mechanism 6 includes a workbench 25, a lead screw 26, a second control disk 27 and a cutting tool holder 28, which is used to cut the outer surface of the differential housing. The cutting tool holder 28 is made of a high-hardness metal material. The cutting accuracy is ensured through precise assembly and debugging, so that the efficient and precise cutting of the outer wall of the differential housing is achieved and the processing quality is ensured. A profiling mold 7 is arranged on one side of the external cutting mechanism 6. The profiling mold 7 is designed according to the shape of the differential housing and is made by high-precision CNC processing technology. The profiling mold 7 is installed near the cutting tool holder 28 and is connected to the cutting blade by the cutting blade. The relative movement of the cutting blade 32 guides the cutting blade 32 to cut along the predetermined path, plays the role of guiding the cutting blade 32 to perform precise cutting according to the outer contour of the differential housing, ensures that the product shape meets the design requirements, ensures the cutting accuracy of the continuous production of the differential housing in the assembly line production, and improves the work efficiency. An internal cutting mechanism 8 is arranged above the profiling mold 7. The internal cutting mechanism 8 is assembled with a high-precision rotating head 38 and a laser generator 40. The accurate pointing of the laser beam is ensured by precise adjustment. The internal cutting mechanism 8 includes a rotating head 38, a heat sink 39, a laser generator 40 and an excitation lens 41, which are used to The differential housing is cut by using non-contact laser processing technology to achieve fine cutting of the inner spherical surface of the differential housing, which is particularly suitable for processing of complex shapes and difficult-to-process inner cavities. A telescopic rod 9 is provided on one side of the inner cutting mechanism 8. The telescopic rod 9 is usually made of high-strength steel or alloy material and is used to adjust the position and posture of the inner cutting mechanism 8, allowing the inner cutting mechanism 8 to move according to the shape and size of the inner cavity of the differential housing, thereby finely cutting the inner spherical surface to ensure flexibility and accuracy during the processing. A bracket 10 is provided on one side of the telescopic rod 9. The bracket 10 is generally made of steel welded or bolted. The surface is treated with rust prevention, such as painting or chrome plating. The bracket 10 is fixed on the bed of the machine tool 1 as a supporting structure for the outer cutting mechanism 6 and the inner cutting mechanism 8 to ensure the stability of the entire cutting device, provide stable support, maintain the rigidity and stability of the cutting mechanism, and avoid vibration or displacement during processing. A power box 11 is arranged on one side of the bracket 10. The power box 11 is made of steel structure, and is equipped with transmission elements such as gears and belts inside. It is precisely assembled and debugged. It is the power transmission center of the entire machine tool 1, responsible for effectively converting the power of the motor 15 into mechanical motion to drive each processing component to work. Embodiment 2

[0030] Based on Example 1, the solution in Example 1 is further detailed in combination with the following specific working method. Figures 1 to 8 As shown, see the following description for details: As a preferred embodiment, a heat sink 12 is provided on one side of the motor box 2 away from the clamping mechanism 3. The heat sink 12 is usually made of aluminum alloy or copper, which effectively reduces the heat inside the machine tool 1, especially the motor 14 and the power supply 13 system, prevents overheating, and ensures stable operation of the equipment. A power supply 13 is provided on one side of the heat sink 12. The power supply 13 is installed inside the motor box 2 and is connected to each motor 14 and the control module through cables to provide a stable and reliable power supply for all electrical equipment of the machine tool 1 to support long-term continuous operation. A motor No. 14 is provided on one side of the power supply 13. The motor No. 14 is connected to the clamping mechanism 3, and the motor 14 serves as the clamping mechanism 3. The power source controls the rotation and positioning of the workpiece, which directly affects the processing accuracy and efficiency. A slide rail 19 is set on one side of the protective plate 4. The slide rail 19 uses a precision-machined steel rail or hard rail, and the surface is polished and hardened. The protective plate 4 is connected to the motor box 2 through the slide rail 19. The slide rail 19 provides stable support and guidance for the protective plate 4 to ensure that the protective plate 4 can move accurately and smoothly. The protective plate 4 can translate left and right along the horizontal direction of the slide rail 19. The interior of the protective plate 4 is provided with explosion-proof glass 20, which is installed at the observation window of the protective plate 4, allowing the operator to observe the processing status while protecting the operator from splashing objects.

[0031] As a preferred embodiment, the clamping mechanism 3 includes a rotating table 15, a moving groove 16, a No. 1 lead screw 17 and a clamp 18. The rotating table 15 is made of high-precision bearings and wear-resistant materials, and its flatness and concentricity are ensured by precision machining. The rotating table 15, as a component of the clamping mechanism 3, is installed in the working area of ​​the machine tool 1, and is used to place and rotate the workpiece to achieve accurate rotation and positioning of the workpiece. A moving groove 16 is provided on one side of the rotating table 15. The moving groove 16 is provided in three groups, and the three groups of moving grooves 16 are evenly arranged along the circumferential direction of the rotating table 15. The moving groove 16 is arranged around the rotating table 15, and a No. 1 lead screw 17 mechanism is built in to guide the movement of the clamp 18 and provide a stable clamp 18. The moving path enables it to move precisely along the radial direction of the rotating table 15, so as to realize accurate positioning and fixation of the workpiece. A lead screw 17 is arranged inside the moving groove 16. The lead screw 17 is usually made of high-strength steel, which is precisely ground and heat-treated to enhance its hardness and wear resistance. It is installed in the moving groove 16 and cooperates with the nut in the clamp 18. When the lead screw 17 rotates, it can drive the clamp 18 to move linearly along the length direction of the moving groove 16. A clamp 18 is arranged on one side of the lead screw 17. The clamp 18 is made of wear-resistant material and firmly clamps the differential housing during the processing to prevent it from displacement or vibration when subjected to cutting force. The clamp 18 can be displaced along the lead screw 17.

[0032] As a preferred embodiment, the alignment mechanism 5 includes a sliding plate 21, a driving roller 22, a triangular guide rail 23 and a control disk 24. The control disk 24 is made of high-strength metal material and is precisely processed to ensure flatness and smoothness. It serves as the basic platform of the external cutting mechanism 6, driving the tool to move accurately along the surface of the workpiece to complete the cutting operation. Driving rollers 22 are provided on both sides of the bottom of the sliding plate 21. The driving rollers 22 are installed on both sides of the bottom of the sliding plate 21 and cooperate with the triangular guide rails 23. The driving rollers 22 are driven by the motor 14 to rotate to drive the sliding plate 21 to move. A triangular guide rail 23 is provided below the driving roller 22. The guide rail 23 is made of precision-machined steel rails in a triangular shape to provide stable support, ensuring that the sliding plate 21 moves smoothly along the predetermined path, improving the accuracy and stability of the cutting operation, and a control disk No. 1 24 is set on one side of the driving roller 22 through a gear. By rotating the control disk No. 1 24, the sliding plate 21 is translated along the horizontal direction of the two sets of triangular guide rails 23. The control disk No. 1 24 allows the operator to accurately control the position and moving speed of the alignment tool and the differential housing, thereby achieving precise processing of the outer diameter of the workpiece. Furthermore, this design enhances the flexibility and adaptability of the machine tool, and improves the application range and market competitiveness of the equipment.

[0033] As a preferred embodiment, the external cutting mechanism 6 includes a workbench 25, a No. 2 lead screw 26, a No. 2 control disk 27 and a cutting tool holder 28. The workbench 25 is usually made of high-strength cast iron or steel, providing a stable working plane for fixing the workpiece and supporting the cutting tool holder 28 and other cutting components to ensure machining accuracy. A No. 2 lead screw 26 is provided at the bottom of the workbench 25. The No. 2 lead screw 26 is installed below the workbench 25 and is connected to the No. 2 control disk 27. The No. 2 lead screw 26 is rotated to drive the linear motion of the workbench 25 or the cutting tool holder 28. A No. 2 control disk 27 is provided on one side of the lever 26. The No. 2 control disk 27 allows the operator to accurately control the moving speed and position of the workbench 25 or the cutting tool holder 28 to meet the requirements of different cutting depths and feed rates. A cutting tool holder 28 is provided on the top of the workbench 25. The cutting tool holder 28 is made of wear-resistant material to maintain the stability of the cutting blade 32 and effectively transmit the cutting force to the workbench 25, thereby improving the cutting accuracy and tool life. By rotating the No. 2 control disk 27, the workbench 25 drives the cutting tool holder 28 to fit with the differential housing.

[0034] As a preferred embodiment, a driving track 29 is provided at the bottom of the cutting tool holder 28. The driving track 29 is made of a precisely machined steel rail, and the surface is polished and adjusted to reduce friction and increase wear resistance, so as to provide a smooth moving path for the cutting tool holder 28 and ensure stability and precision during the cutting process. Micro-motion springs 30 are provided on both sides of the driving track 29. The micro-motion springs 30 are made of high-strength spring steel and are heat-treated to enhance elasticity and durability. The micro-motion springs 30 are installed at the bottom of the cutting tool holder 28 and cooperate with the driving track 29 to provide a stable moving path for the cutting tool holder 28. The cutting tool holder 28 can be displaced following the outer wall shape of the profiling die 7 by small and precise position adjustment. A positioning bolt 31 is arranged on one side of the inner part of the cutting tool holder 28. The positioning bolt 31 is usually made of hard steel, and the surface is polished and hardened. The positioning bolt 31 is installed on the cutting tool holder 28 to accurately locate the outer wall curve of the profiling die 7 to ensure the accuracy of external cutting. A cutting blade 32 is arranged on one side of the positioning bolt 31. The cutting blade 32 is made of a material with high hardness and high wear resistance. The blade is precisely ground and polished to achieve the removal of the workpiece material. Its sharpness The cutting blade 32 has a strong wear resistance and a strong wear resistance, which directly affects the cutting efficiency and the quality of the machined surface. A fixed splint 33 is arranged above the cutting blade 32. The fixed splint 33 is made of wear-resistant materials such as alloy steel or cemented carbide. The surface is heat-treated to improve the hardness and wear resistance, provide support and transmission of cutting force, and prevent the displacement or vibration of the cutting blade 32 during the machining process. Bolts 34 are arranged at the top four corners of the fixed splint 33. The bolts 34 are used to fasten the cutting blade 32, the fixed splint 33 and other components together to ensure a close fit between the components, provide a reliable connection, and prevent machining. In the process, if parts become loose or fall off due to vibration or impact, the positioning bolt 31 and the cutting blade 32 are connected to the fixed clamp 33 by bolts 34. A locking knob 35 is provided at the top center of the fixed clamp 33. The locking knob 35 can connect the fixed clamp 33 to the cutting tool holder 28. The locking knob 35 is used to fix the position of the fixed clamp 33 and the cutting blade 32. Tightening or loosening is achieved by manual rotation to ensure that the cutting blade 32 maintains a stable position during the processing, avoids the reduction of cutting accuracy due to loosening, and facilitates the replacement of the cutting blade 32.

[0035] As a preferred embodiment, a profiled groove 36 is provided on one side of the profiling mold 7, and the profiled groove 36 cooperates with the load-bearing arm 37. The positioning of the profiling mold 7 is achieved by connecting with the load-bearing arm 37, providing a positioning reference for the profiling mold 7 to ensure the fit between the profiling mold 7 and the outer wall of the workpiece during the cutting process. A load-bearing arm 37 is provided on one side of the profiled groove 36, and the load-bearing arm 37 serves as a supporting structure of the profiling mold to ensure the stability and accuracy of the profiling mold 7 during the processing. The profiling mold 7 is connected to the load-bearing arm 37 through the profiled groove 36, and one end of the positioning bolt 31 is connected to the profiling mold 7. The outer walls are fitted together, so that the cutting tool holder 28 is horizontally displaced along the driving track 29, driving the positioning bolt 31 to move along the outer wall of the profiling mold 7, so that the cutting tool holder 28 drives the cutting blade 32 to move along the outer wall shape of the profiling mold 7 through the micro-spring 30 during the displacement. Furthermore, one end of the positioning bolt 31 is fitted with the outer wall of the profiling mold 7, so that the cutting tool holder 28 can accurately follow the shape change of the profiling mold when it is horizontally displaced along the driving track 29. This design realizes high-precision profiling processing of the outer wall of the differential housing, and improves the processing quality and consistency.

[0036] As a preferred embodiment, the internal cutting mechanism 8 includes a rotating head 38, a heat sink 39, a laser generator 40 and an excitation lens 41. The rotating head 38 is usually composed of high-precision bearings and sealing rings, and the surface is polished to reduce friction, so as to achieve precise processing of the inner cavity of the differential housing by the internal cutting mechanism 8 and support the processing requirements of complex shapes and curves. A heat sink 39 is arranged on one side of the rotating head 38. The heat sink 39 is provided with several groups, and each group of heat sinks 39 is evenly arranged along the vertical direction of the rotating head 38. The heat sink 39 is made of aluminum alloy material, and the surface is specially processed to increase the heat dissipation area, effectively dissipate the heat generated by the laser generator 40, prevent the equipment from overheating, and extend the service life of the equipment. A laser generator 40 is arranged on one side of the heat sink 39. The laser generator 40 adopts a high-performance semiconductor laser or a fiber laser, and has high power density and stable performance. The laser generator 40 is installed on one side of the rotating head 38, and the laser beam is focused by the excitation lens 41 to perform non-contact processing on the inner cavity of the differential housing to achieve high precision. , high-efficiency inner cavity processing, suitable for inner cavity processing tasks of various complex shapes and difficult-to-process materials. An excitation lens 41 is arranged on one side of the laser generator 40. The excitation lens 41 is usually made of high-precision optical glass or quartz material, and the surface is precisely ground and polished. The excitation lens 41 is installed at the output end of the laser generator 40. By adjusting the position and focal length of the excitation lens 41, the laser beam is focused to the desired position to ensure that the laser beam can be accurately focused on a specific area of ​​the inner cavity of the differential housing, thereby improving the processing accuracy and efficiency. The laser generator 40 and the excitation lens 41 are vertically arranged on the rotating head 38. The inner cutting mechanism 8 can be horizontally displaced by the telescopic rod 9, and the rotating head 38 and the clamping mechanism 3 rotate in the opposite direction. Furthermore, the laser generator 40 and the excitation lens 41 are vertically arranged on the rotating head 38 to ensure that the laser beam can be accurately focused on a specific area of ​​the inner cavity of the differential housing. By adjusting the telescopic rod 9 and the power control module 42, the cutting path and pressure distribution can be quickly changed to cope with different processing conditions and requirements.

[0037] As a preferred embodiment, a power control module 42 is provided on one side of the laser generator 40. The power control module 42 adopts electronic components and integrated circuit technology, has high precision and stable performance, and is connected to the laser generator 40. The output power of the laser generator 40 is controlled by adjusting the current and voltage to achieve precise control of the laser power, so that the laser generator 40 can adjust the power according to the distance from the spherical surface when cutting on the inner cavity spherical surface of the differential housing through the telescopic rod 9, and accurately cut the inner cavity surface of the differential housing. A liquid cooling passage 43 is provided on one side of the power control module 42. The liquid cooling passage 43 is made of high-performance plastic or metal material, and a coolant circulation channel is designed inside. The liquid cooling passage 43 is connected to the heat sink 39, and the heat is taken away by the circulation of the coolant in the passage, thereby enhancing the heat dissipation effect, effectively reducing the temperature of the laser generator 40 and related electronic components, preventing overheating damage, and improving the stability and life of the equipment. One side of the liquid cooling passage 43 is connected to the heat sink 39.

[0038] As a preferred embodiment, a cutting machine tool for machining a differential case and a method for using the same, the method for using the same comprises the following steps: Step 1: Mount the differential housing on one side of the rotating table 15 by means of a fixture 18 to ensure the stability and accuracy of the workpiece during processing; Step 2: Adjust the position of the sliding plate 21 on the triangular guide rail 23 through the No. 1 control panel 24, so that the outer cutting mechanism 6 on the top of the sliding plate 21 fits with the outer wall of the differential housing, so as to achieve precise processing of the outer diameter of the workpiece, thereby improving the processing accuracy, reducing the error caused by manual adjustment, and ensuring the stability of the processing quality; Step 3: The cutting tool holder 28 drives the cutting blade 32 to fit closely with the differential housing through the No. 2 control disk 27, and the positioning bolt 31 fits with the profiling mold 7, so that the cutting blade 32 cuts the outer wall of the differential housing along the outer wall shape of the profiling mold 7. The design of the profiling mold 7 enables the cutting blade 32 to accurately follow the shape change of the workpiece surface, realizes the precise processing of complex shapes, improves the processing efficiency and quality, reduces the error caused by manual adjustment, and ensures the stability of the processing quality; Step 4: The inner cutting mechanism 8 is extended into the inner cavity of the differential housing through the telescopic rod 9. The laser generator 40 is driven by the rotating head 38 to perform circular motion on the inner spherical surface of the differential housing. At the same time, the telescopic rod 9 and the power control module 42 are controlled to enable the laser generator 40 to perform precise cutting along the inner spherical curve of the differential housing, thereby achieving high-precision and high-efficiency processing of the inner cavity, improving the efficiency and quality of the inner cavity processing, and being suitable for inner cavity processing tasks of various complex shapes and difficult-to-process materials.

[0039] The working process of the present invention is as follows: first, the differential housing is mounted on one side of the rotating table 15 by means of the fixture 18 to ensure the stability and accuracy of the workpiece during the processing, then the external cutting mechanism 6 is preliminarily positioned, the position of the sliding plate 21 on the triangular guide rail 23 is adjusted by means of the first control disk 24, so that the external cutting mechanism 6 on the top of the sliding plate 21 fits with the outer wall of the differential housing, then the cutting tool holder 28 is accurately positioned, and the cutting tool holder 28 drives the cutting blade 32 to fit closely with the differential housing by means of the second control disk 27, and at the same time, the positioning bolt 31 fits with the profiling mold 7, so that the cutting tool holder 28 is precisely positioned, and the cutting blade 32 is closely fitted ... blade 32 is closely fitted with the profiling mold 7, and at the same time, the profiling mold 7 is pressed against the profiling mold 7, and at the same time, the profiling mold 7 is pressed against the profiling mold 7, and at the same time, the profiling mold 7 is pressed against the profiling mold 7, and at the same time, the profiling mold 7 is pressed against the profiling mold 7, and at the same time, the profiling mold 7 is pressed against the profiling The blade 32 cuts the outer wall of the differential case along the outer wall shape of the profiling mold 7 to achieve precise processing of complex shapes. At the same time, the inner cutting mechanism 8 is extended into the inner cavity of the differential case through the telescopic rod 9. The laser generator 40 is driven by the rotating head 38 to perform circular motion on the inner spherical surface of the differential case. Through the control of the telescopic rod 9 and the power control module 42, the laser generator 40 performs precise cutting along the inner spherical curve of the differential case to achieve high-precision and high-efficiency processing of the inner cavity. The above is the working principle of the cutting machine tool for differential case processing and the use method thereof.

[0040] Finally: The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A cutting machine tool for machining a differential case, comprising a machine tool (1), characterized in that: A motor box (2) is provided on one side of the machine tool (1); a clamping mechanism (3) is provided on one side of the outer wall of the motor box (2); a protective plate (4) is provided on the other side of the outer wall of the motor box (2); a positioning mechanism (5) is provided on one side of the clamping mechanism (3); an external cutting mechanism (6) is provided above the positioning mechanism (5); a profiling die (7) is provided on one side of the external cutting mechanism (6); an internal cutting mechanism (8) is provided above the profiling die (7); a telescopic rod (9) is provided on one side of the internal cutting mechanism (8); a bracket (10) is provided on one side of the telescopic rod (9); and a power box (11) is provided on one side of the bracket (10).

2. The cutting machine tool for machining a differential case according to claim 1, characterized in that: A heat sink (12) is provided on one side of the motor box (2) away from the clamping mechanism (3); a power source (13) is provided on one side of the heat sink (12); a first motor (14) is provided on one side of the power source (13); the first motor (14) is connected to the clamping mechanism (3); a slide rail (19) is provided on one side of the protective plate (4); and the protective plate (4) is connected to the motor box (2) via the slide rail (19), so that the protective plate (4) can translate left and right along the horizontal direction of the slide rail (19); and explosion-proof glass (20) is provided inside the protective plate (4).

3. The cutting machine tool for machining a differential case according to claim 1, characterized in that: The clamping mechanism (3) comprises a rotating table (15), a movable groove (16), a first lead screw (17) and a clamp (18); a movable groove (16) is provided on one side of the rotating table (15); three groups of movable grooves (16) are provided, and the three groups of movable grooves (16) are evenly arranged along the circumferential direction of the rotating table (15); a first lead screw (17) is provided inside the movable groove (16); a clamp (18) is provided on one side of the first lead screw (17); and the clamp (18) is capable of moving along the first lead screw (17).

4. The cutting machine tool for machining a differential case according to claim 1, characterized in that: The alignment mechanism (5) comprises a sliding plate (21), a driving roller (22), a triangular guide rail (23) and a first control plate (24); driving rollers (22) are provided on both sides of the bottom of the sliding plate (21); a triangular guide rail (23) is provided below the driving roller (22); a first control plate (24) is provided on one side of the driving roller (22) via a gear; the first control plate (24) is rotated so that the sliding plate (21) is translated in the horizontal direction of the two sets of triangular guide rails (23).

5. The cutting machine tool for machining a differential case according to claim 1, characterized in that: The external cutting mechanism (6) comprises a workbench (25), a No. 2 lead screw (26), a No. 2 control disk (27) and a cutting tool holder (28); the No. 2 lead screw (26) is arranged at the bottom of the workbench (25); the No. 2 control disk (27) is arranged on one side of the No. 2 lead screw (26); and the cutting tool holder (28) is arranged on the top of the workbench (25); and the No. 2 control disk (27) rotates, so that the workbench (25) drives the cutting tool holder (28) to fit with the differential housing.

6. The cutting machine tool for machining a differential case according to claim 5, characterized in that: A driving track (29) is provided at the bottom of the cutting tool holder (28), and micro-motion springs (30) are provided on both sides of the driving track (29). A positioning bolt (31) is provided on one side of the interior of the cutting tool holder (28), and a cutting blade (32) is provided on one side of the positioning bolt (31). A fixing clamp (33) is provided above the cutting blade (32), and bolts (34) are provided at the four corners of the top of the fixing clamp (33). The positioning bolt (31) and the cutting blade (32) are connected to the fixing clamp (33) through the bolts (34), and a locking knob (35) is provided at the top center of the fixing clamp (33), and the fixing clamp (33) can be connected to the cutting tool holder (28) through the locking knob (35).

7. The cutting machine tool for machining a differential case according to claim 6, characterized in that: A profile groove (36) is provided on one side of the profiling die (7), and a load-bearing arm (37) is provided on one side of the profile groove (36). The profiling die (7) is connected to the load-bearing arm (37) via the profile groove (36). One end of the positioning bolt (31) fits against the outer wall of the profiling die (7), so that the cutting tool holder (28) is horizontally displaced along the driving track (29) to drive the positioning bolt (31) to displace along the outer wall of the profiling die (7), so that the cutting tool holder (28) drives the cutting blade (32) to displace along the outer wall shape of the profiling die (7) via the micro-motion spring (30) during the displacement.

8. The cutting machine tool for machining a differential case according to claim 1, characterized in that: The inner cutting mechanism (8) comprises a rotating head (38), a heat sink (39), a laser generator (40) and an excitation lens (41); a heat sink (39) is arranged on one side of the rotating head (38); the heat sink (39) is provided in a plurality of groups, and each group of the heat sinks (39) is evenly arranged along the vertical direction of the rotating head (38); a laser generator (40) is arranged on one side of the heat sink (39); an excitation lens (41) is arranged on one side of the laser generator (40); the laser generator (40) and the excitation lens (41) are vertically arranged on the rotating head (38); the inner cutting mechanism (8) can be horizontally displaced by means of the telescopic rod (9); and the rotating head (38) and the clamping mechanism (3) rotate in opposite directions.

9. The cutting machine tool for machining a differential case according to claim 8, characterized in that: A power control module (42) is provided on one side of the laser generator (40), a liquid cooling passage (43) is provided on one side of the power control module (42), and one side of the liquid cooling passage (43) is connected to the heat sink (39).

10. A cutting machine tool for machining a differential case and a method for using the same, wherein the cutting machine tool for machining a differential case according to any one of claims 1 to 9 is used, characterized in that: The method of use comprises the following steps: Step 1: Mounting the differential housing on one side of the rotating platform (15) by means of the clamp (18); Step 2: adjusting the position of the sliding plate (21) on the triangular guide rail (23) by means of a No. 1 control panel (24) so ​​that the outer cutting mechanism (6) on the top of the sliding plate (21) fits against the outer wall of the differential housing; Step 3: The cutting tool holder (28) is driven by the second control panel (27) to closely fit the cutting blade (32) with the differential housing, and the positioning bolt (31) is simultaneously fitted with the profiling die (7), so that the cutting blade (32) cuts the outer wall of the differential housing along the outer wall shape of the profiling die (7); Step 4: The inner cutting mechanism (8) is extended into the inner cavity of the differential housing through the telescopic rod (9), and the laser generator (40) is driven by the rotating head (38) to perform circular motion on the inner spherical surface of the differential housing. At the same time, the laser generator (40) is controlled by the telescopic rod (9) and the power control module (42) to perform precise cutting along the inner spherical curve of the differential housing.

Images