A machine cutting device for industrial manufacturing

Abstract

The utility model discloses a kind of machine cutting devices for industrial manufacturing, it is related to industrial cutting equipment field, solve the problem of inconvenient replacement of traditional cutting device, positioning accuracy is insufficient and abnormal feedback is not in time.The device includes cutting execution mechanism, double positioning system, automatic calibration module, abnormal alarm unit and control system.Cutting head assembly of cutting execution mechanism is connected by standardization quick-change interface;Double positioning system contains the first-stage positioning unit of workbench edge and the second-stage positioning unit of execution mechanism mobile end;Automatic calibration module is equipped with mechanical fine adjustment component and position detection sensor;Abnormal alarm unit is equipped with audible and visual alarm device and vibration feedback component;Control system integrates touch control operation area and state display area.The device is through quick-change interface, double positioning, automatic calibration and multi-mode alarm, improves cutting efficiency, precision and security, applicable to industrial manufacturing cutting scene.

Description

Technical Field

[0001] This utility model relates to the field of industrial processing equipment, and more specifically to a machine cutting device for industrial manufacturing. Background Technology

[0002] In the industrial manufacturing sector, workpiece cutting is a critical processing step, and its precision, efficiency, and safety directly impact product quality and production efficiency. High-quality cutting operations not only require equipment with precise positioning capabilities and stable execution performance, but also need to meet modern production demands in terms of ease of cutting head replacement, effective dust control, and timely anomaly warnings. However, current traditional industrial cutting equipment exhibits numerous technical bottlenecks in practical applications, hindering the improvement of production efficiency.

[0003] Traditional cutting equipment often employs a single positioning method, such as relying solely on mechanical baffles at the edge of the worktable or simple photoelectric sensors for positioning. This is insufficient to handle the multi-angle cutting requirements of complex workpieces. For instance, when processing workpieces with irregular shapes or varying dimensions, a single positioning system often suffers positioning deviations due to environmental vibrations, workpiece installation errors, and other factors, leading to dimensional errors in the cuts. In one automotive parts production line, traditional cutting equipment lacked a dynamic calibration mechanism in its positioning system, resulting in a cutting error rate as high as 12% when handling curved workpieces, severely impacting subsequent assembly accuracy.

[0004] Traditional cutting heads are typically fastened to the drive shaft using bolts or keys. Replacement requires specialized tools and takes approximately 15-30 minutes per change. Frequent replacements can lead to interface wear and affect concentricity. At one electronics component processing plant, the cumbersome cutting head replacement process resulted in a 20% production line downtime rate and an annual loss of approximately 15,000 units when switching between cutting tasks for metal and plastic workpieces. Furthermore, the non-standardized interface design prevents different types of cutting heads from being interchangeable, increasing equipment maintenance costs.

[0005] Traditional calibration methods rely heavily on operators adjusting the gauges or using visual inspection, making the accuracy significantly affected by human experience. For example, in metal sheet cutting, manual calibration takes 5-10 minutes each time, and the repeatability is only ±0.5mm, which cannot meet the processing requirements of high-precision workpieces (such as aerospace parts requiring ±0.1mm). One aerospace parts factory experienced an 8% scrap rate for batches of parts due to manual calibration errors, resulting in annual losses exceeding 2 million yuan.

[0006] Traditional cutting equipment dust removal systems often use open-type dust hoods, with a dust collection efficiency of less than 30%. Metal dust or plastic debris generated during cutting easily spreads throughout the workshop, accelerating wear on equipment guide rails, causing short circuits in electrical components, and harming workers' respiratory health. One machining plant experienced an average annual increase in equipment maintenance costs of 150,000 yuan due to control system malfunctions caused by dust accumulation. Furthermore, traditional alarm systems often only have a single audible and visual alarm, making it difficult to quickly detect equipment abnormalities when ambient noise is high or the operator's view is obstructed. For example, one factory experienced a workpiece breakage and damage to the equipment spindle due to a loose cutting head that failed to trigger an alarm in time, resulting in repair costs exceeding 100,000 yuan.

[0007] With the development of high-end manufacturing fields such as new energy vehicles and aerospace, workpiece materials are gradually diversifying towards aluminum alloys, carbon fiber composites, and other materials, placing higher demands on the compatibility, precision, and intelligence of cutting equipment. For example, cutting aluminum alloy casings for power batteries requires both a precision of ±0.05mm and a production capacity of 20 pieces per minute, which traditional equipment can hardly meet. Therefore, there is an urgent need for a cutting device with dual positioning, automatic calibration, quick-change interfaces, and multi-dimensional alarm functions to address the pain points of traditional technologies in terms of precision, efficiency, and safety. Utility Model Content

[0008] The purpose of this industrial manufacturing machine cutting device is to provide a high-precision, high-efficiency, and safe and reliable cutting equipment. It achieves precise positioning of workpieces of different shapes and sizes through a dual positioning system, and utilizes an automatic calibration module to ensure the positional accuracy of the cutting head. A standardized quick-change interface allows for rapid cutting head replacement to meet the cutting needs of different materials. Equipped with an abnormal alarm unit, it provides timely feedback on equipment malfunctions through multi-dimensional alarms such as sound, light, and vibration. Combined with an integrated control system, it achieves coordinated control of all components, thereby improving the automation level, production efficiency, and processing quality of industrial cutting operations, and ensuring production safety and stability.

[0009] To achieve the above-mentioned technical effects, the present invention adopts the following technical solution: This utility model employs a machine cutting device for industrial manufacturing, wherein a cutting actuator is used to perform cutting operations on a workpiece, the cutting actuator includes a replaceable cutting head assembly, and the cutting head assembly is connected to a drive shaft through a standardized quick-change interface; A dual positioning system, in conjunction with the cutting actuator, achieves workpiece positioning. The dual positioning system includes a primary positioning unit and a secondary positioning unit. The primary positioning unit is located at the edge of the worktable, and the secondary positioning unit is integrated into the moving end of the cutting actuator. An automatic calibration module, connected to the cutting actuator, is used to calibrate the positional accuracy of the cutting head. The automatic calibration module includes a mechanical fine-tuning component and a position detection sensor. An abnormality alarm unit is connected to the dual positioning system and the cutting actuator. The abnormality alarm unit is equipped with an audible and visual alarm device and a vibration feedback component. The control system is electrically connected to the cutting actuator, the dual positioning system, the automatic calibration module, and the abnormal alarm unit. The main control panel of the control system integrates a touch operation area and a status display area.

[0010] The primary positioning unit includes: two parallel high-precision linear slide rails with magnetic scales embedded on their surfaces; a positioning baffle slidably connected to the slide rails, with a reading head at the bottom of the baffle that cooperates with the magnetic scale; and a servo motor that drives the positioning baffle to move, with the motor output shaft connected to the baffle via a ball screw. The primary positioning unit is equipped with an eddy current dust removal mechanism between itself and the worktable. This mechanism includes an annular air chamber embedded inside the linear slide rail, with inclined jet holes on the cavity wall; a pulse air pump connected to the air chamber, with the jet direction pointing towards the surface of the magnetic scale; and an electrostatic adsorption mesh integrated at the end of the slide rail, with the mesh surface offset from the reading head.

[0011] The secondary positioning unit includes: a laser positioner installed on the side of the cutting head, with the laser emission direction parallel to the cutting edge; three contact displacement sensors arranged in a ring, with the sensor probes protruding 1-3mm from the end face of the cutting head; and a sensor signal processing board electrically connected to the contact displacement sensors, with a shielded shell on the board body.

[0012] The mechanical fine-tuning assembly includes: a miniature stepper motor fixed to the base of the cutting head, with the motor shaft connected to an eccentric wheel; a fine-tuning slider in contact with the eccentric wheel, the slider slidingly engaging with the cutting head body via a dovetail guide rail; and a preload spring, one end of which is connected to the fine-tuning slider and the other end of which is fixed to the base, so that the slider always fits against the eccentric wheel. The mechanical fine-tuning component is equipped with a vibration compensation unit, including a piezoelectric ceramic sheet installed on the fine-tuning slider, the sheet body being parallel to the dovetail groove guide rail; an active damping circuit connected to the piezoelectric ceramic sheet; and a mass block integrated into the slider, the center of gravity of the mass block coinciding with the torque center of the cutting head.

[0013] The cutting head assembly includes: an alloy grinding wheel adapted for metal cutting, a serrated blade adapted for plastic cutting, and an ultrasonic vibrating knife adapted for composite material cutting; the connecting end of each cutting head is provided with a positioning pin and conductive contact of uniform specification, which contact and cooperate with the pin hole and spring of the quick-change interface. The contact portion of the quick-change interface adopts a graded heat-conducting structure, including a contact layer consisting of a beryllium copper alloy contact surface coated with a nano-diamond film; a transition layer consisting of an embedded micro heat pipe with the evaporation end of the heat pipe attached to the contact base; and a heat dissipation layer consisting of an aluminum heat dissipation fin array on the inner wall of the interface shell, with phase change material filling the spaces between the fins.

[0014] The abnormal alarm unit also includes: a three-color warning light installed on the device housing, corresponding to normal, warning, and alarm states respectively; a buzzer integrated into the control system, supporting multi-frequency tone switching; and a vibrator connected to the workbench, with the vibration frequency changing according to the abnormality level. The vibration feedback component includes a magnetorheological fluid directional vibration transmission structure, which includes an annular cavity fixed to the worktable and filled with magnetorheological fluid; an electromagnetic coil group surrounding the cavity, with the coils independently controlled according to spatial quadrants; and a flexible vibration transmission membrane attached to the surface of the cavity, with conical oscillators arrayed on the membrane.

[0015] The hardware structure of the control system includes: an embedded PLC controller, which connects to each actuator through a relay module; a touch screen with a protective film and a physical emergency stop button on the edge of the screen; and a non-volatile memory for storing calibration parameters, which communicates with the PLC controller via an SPI bus.

[0016] The positive and beneficial technical effects of this utility model are as follows: This invention solves the problems of large positioning deviations and low calibration efficiency in traditional cutting devices through the collaborative design of a dual positioning system and an automatic calibration module. In the dual positioning system, the primary positioning unit utilizes a high-precision linear guide rail and magnetic scale, combined with a positioning baffle driven by a servo motor, to achieve micron-level positioning accuracy. The secondary positioning unit uses a laser positioner and a contact displacement sensor on the side of the cutting head to perform a second precise positioning of the workpiece before cutting, dynamically compensating for installation errors. The mechanical fine-tuning component of the automatic calibration module uses a micro stepper motor to drive an eccentric wheel to adjust the cutting head position, and works with a vibration compensation unit to eliminate vibration interference. The repeatability accuracy can reach ±0.05mm, meeting the high-precision machining requirements of aerospace and other industries. Compared to traditional manual calibration, this method improves efficiency by 90% and accuracy by 10 times.

[0017] This invention solves the problems of cumbersome replacement and severe interface wear in traditional cutting heads by using a standardized quick-change interface and a hierarchical heat-conducting structure. The cutting head assembly uses standardized positioning pins and conductive contacts, achieving a plug-and-play quick connection with the quick-change interface's spring contacts, reducing the replacement time to less than one minute. The hierarchical heat-conducting structure of the quick-change interface's spring contact area reduces friction through beryllium copper alloy spring contacts coated with a nano-diamond film, while micro heat pipes and aluminum heat dissipation fins provide rapid heat dissipation. Combined with phase change material temperature control, this extends the interface life by three times, controls the concentricity error to ±0.02mm, effectively reduces equipment downtime and maintenance costs, and improves production line changeover efficiency by 80%.

[0018] This invention solves the problems of poor dust removal efficiency and untimely anomaly warning in traditional devices by using an eddy current dust removal mechanism and a magnetorheological fluid directional vibration transmission structure. The eddy current dust removal mechanism utilizes an annular air chamber and a pulse air pump within a linear slide rail to form a directional airflow through inclined jet holes. Combined with an electrostatic adsorption mesh, the dust removal efficiency is increased to 95%, effectively protecting the magnetic scale and equipment components. The magnetorheological fluid directional vibration transmission structure in the anomaly alarm unit controls the viscosity of the magnetorheological fluid through an electromagnetic coil group, achieving precise adjustment of the vibration direction and intensity. Combined with a three-color warning light, a multi-frequency buzzer, and a vibrator, the multi-dimensional alarm system ensures that operators can perceive anomalies immediately even in complex production environments. Compared to traditional single-sound and light alarms, the response speed is improved by 60%, and equipment failure losses are reduced by 70%. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein: Figure 1 This is a schematic diagram of the control structure of this utility model; Figure 2 This is a schematic diagram of the mechanical fine-tuning component structure of this utility model; Figure 3 This is a schematic diagram of the cutting head assembly structure of this utility model; Figure 4 This is a schematic diagram of the vibration feedback component structure of this utility model; Figure 5 This is a schematic diagram of the servo motor and ball screw structure of this utility model; Figure 6 This is a schematic diagram of the primary positioning unit structure of this utility model; Figure 7 This is a schematic diagram of the control system structure of this utility model; In the diagram, the numbers represent: 1: Cutting actuator; 101: Cutting head assembly; 102: Standardized quick-change interface; 2: Dual positioning system; 201: Primary positioning unit; 2011: High-precision linear guide rail; 2012: Magnetic scale; 2013: Positioning baffle; 2014: Reading head; 2015: Servo motor; 2016: Ball screw; 2017: Annular air chamber; 2018: Inclined air jet; 2019: Pulse air pump; 2020: 202: Electrostatic adsorption mesh; 2021: Secondary positioning unit; 2022: Laser positioner; 2023: Contact displacement sensor; 2024: Sensor signal processing board; 3: Automatic calibration module; 301: Mechanical fine-tuning component; 3011: Miniature stepper motor; 3012: Eccentric wheel; 3013: Fine-tuning slider; 3014: Dovetail groove guide rail; 3015: Preload spring; 3016: Piezoelectric ceramic sheet; 3017: Active damping circuit; 301... 8: Mass block; 302: Position detection sensor; 4: Abnormal alarm unit; 401: Audible and visual alarm device; 402: Vibration feedback component; 4021: Annular cavity; 4022: Magnetorheological fluid; 4023: Electromagnetic coil assembly; 4024: Flexible vibration diaphragm; 4025: Conical oscillator; 403: Tri-color warning light; 404: Buzzer; 405: Vibrator; 5: Control system; 501: Main control panel; 502: Embedded PLC Controller, 503: Relay module, 504: Touch screen, 505: Physical emergency stop button, 506: Non-volatile memory, 1011: Alloy grinding wheel, 1012: Serrated blade, 1013: Ultrasonic vibrating knife, 1014: Positioning pin, 1015: Conductive contact, 1021: Beryllium copper alloy spring, 1022: Nanodiamond film, 1023: Micro heat pipe, 1024: Aluminum heat sink array, 1025: Phase change material. Detailed Implementation

[0020] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0021] like Figure 1-7 As shown, an industrial manufacturing machine cutting device includes: a cutting actuator 1 for cutting a workpiece, the cutting actuator 1 including a replaceable cutting head assembly 101, the cutting head assembly 101 being connected to a drive shaft via a standardized quick-change interface 102; The dual positioning system 2 works in conjunction with the cutting actuator 1 to achieve workpiece positioning. The dual positioning system 2 includes a primary positioning unit 201 and a secondary positioning unit 202. The primary positioning unit 201 is located on the edge of the worktable, and the secondary positioning unit 202 is integrated into the moving end of the cutting actuator 1. Automatic calibration module 3, connected to cutting actuator 1, is used to calibrate the position accuracy of the cutting head. Automatic calibration module 3 includes mechanical fine-tuning component 301 and position detection sensor 302. An abnormal alarm unit 4 is connected to the dual positioning system 2 and the cutting actuator 1. The abnormal alarm unit 4 is equipped with an audible and visual alarm device 401 and a vibration feedback component 402. The control system 5 is electrically connected to the cutting actuator 1, the dual positioning system 2, the automatic calibration module 3, and the abnormal alarm unit 4, respectively. The main control panel 501 of the control system 5 integrates a touch operation area and a status display area.

[0022] This utility model discloses an industrial manufacturing machine cutting device that addresses the pain points of traditional devices through multi-system collaboration. In the dual positioning system 2, the primary positioning unit 201, combined with eddy current dust removal, ensures accurate baseline positioning, while the secondary positioning unit 202 detects relative position in real time, reducing cutting errors. The standardized quick-change interface 102 of the cutting actuator 1 enables rapid replacement of the cutting head assembly 101, adapting to diverse materials and reducing downtime and maintenance costs. The automatic calibration module 3 improves calibration accuracy and efficiency through mechanical fine-tuning components 301 and vibration compensation. The eddy current dust removal of the primary positioning unit 201 enhances dust collection efficiency, and the multi-dimensional alarm of the abnormality alarm unit 4 ensures timely detection of anomalies. This device is adaptable to various materials, balancing high precision and high throughput to meet the needs of high-end manufacturing.

[0023] The primary positioning unit 201 includes: two parallel high-precision linear slide rails 2011, with magnetic scales 2012 embedded in the surface of the slide rails; a positioning baffle 2013 slidably connected to the slide rails, with a reading head 2014 at the bottom of the baffle that cooperates with the magnetic scale; a servo motor 2015 that drives the positioning baffle to move, with the motor output shaft connected to the baffle via a ball screw 2016; an eddy current dust removal mechanism is provided between the primary positioning unit 201 and the worktable, including an annular air chamber 2017 embedded inside the linear slide rails 2011, with inclined air jet holes 2018 on the chamber wall; a pulse air pump 2019 communicating with the air chamber, with the air jet direction pointing towards the surface of the magnetic scale 2012; and an electrostatic adsorption mesh 2020 integrated at the end of the slide rails, with the mesh surface and the reading head 2014 arranged in a staggered manner. In the above specific embodiment, the primary positioning unit 201 includes a high-precision linear slide rail 2011, a magnetic scale 2012, a positioning baffle 2013, a reading head 2014, a servo motor 2015, a ball screw 2016, and an eddy current dust removal mechanism. The high-precision linear slide rail 2011 is arranged in parallel to provide a stable sliding track for the positioning baffle 2013. The magnetic scale 2012 is embedded in the surface of the slide rail and cooperates with the reading head 2014 at the bottom of the positioning baffle 2013 to achieve accurate position detection. The servo motor 2015 drives the positioning baffle 2013 to move through the ball screw 2016 to ensure the accuracy of positioning adjustment. Among them, the high-precision linear guide rail 2011 can be the THK brand SSR20XW model, with a rated dynamic load of 15.8kN and an accuracy class of C3, ensuring the smoothness and guiding accuracy of the guide rail sliding; the magnetic scale 2012 can be the Sony Magnescale MG10 series, with a measurement resolution of 1μm, and the effective measurement length can be customized according to the worktable size. The matching reading head 2014 adopts the same series MR101 model, with a response speed of 5m / s, ensuring the real-time performance and accuracy of position detection; the servo motor 2015 can be the Panasonic MSMF042L1U2M model, with a rated power of 400W and a rated speed of 3000r / min, controlled by the matching MADLN05SG driver; the ball screw 2016 is the NSK brand BSW1605 model, with a lead of 5mm and a positioning accuracy of C3, ensuring the precise control of the movement of the positioning baffle 2013.In the vortex dust removal mechanism, the annular air chamber 2017 is embedded inside the linear slide rail 2011. The inclined jet nozzle 2018 directs airflow to clean the surface of the magnetic scale 2012. The pulse air pump 2019 can be a Gast brand 4AM-NRV-11 model, operating at 220V with a maximum air pressure of 0.6MPa, providing a stable pulse airflow. The electrostatic adsorption mesh 2020 is made of stainless steel with a mesh size of 0.5mm and is staggered from the reading head 2014 to avoid interference. When the servo motor 2015 drives the positioning baffle 2013 to move, the magnetic scale 2012 and the reading head 2014 provide real-time position information. Simultaneously, the pulse air pump 2019 periodically supplies air to the annular air chamber 2017, blowing away dust from the surface of the magnetic scale 2012 through the inclined jet nozzle 2018. Residual dust is captured by the electrostatic adsorption mesh 2020, ensuring that positioning accuracy is not affected by dust.

[0024] The secondary positioning unit 202 includes: The laser positioner 2021, installed on the side of the cutting head, ensures that the laser emission direction is parallel to the cutting edge. Three contact displacement sensors 2022 are arranged in a ring, with the sensor probes protruding 1-3mm from the end face of the cutting head; The sensor signal processing board 2023 is electrically connected to the contact displacement sensor 2022, and the board is equipped with a shielding shell.

[0025] In the above specific embodiment, the secondary positioning unit 202 includes a laser positioner 2021, a contact displacement sensor 2022, and a sensor signal processing board 2023. The laser positioner 2021 is mounted on the side of the cutting head, and its laser emission direction is parallel to the cutting edge to provide a visual reference for the cutting path. The three contact displacement sensors 2022 are arranged in a ring, with the probes protruding 1-3mm from the end face of the cutting head, which can detect the distance between the cutting head and the workpiece surface in real time. The sensor signal processing board 2023 is electrically connected to the contact displacement sensors 2022, and the board body is provided with a shielded shell to reduce electromagnetic interference and ensure the stability of signal processing. Among them, the laser positioner 2021 can adopt the Keyence LV-H62 model, with an emission wavelength of 650nm, output power ≤1mW, and laser linewidth ≤0.1mm. It can clearly project a baseline parallel to the cutting edge, making it easy for operators to observe the cutting position. The contact displacement sensor 2022 can adopt the MISUMI PS-121 model, with a measurement range of 0-10mm, resolution of 0.001mm, and repeatability of ±0.002mm. It can accurately detect the relative position of the cutting head and the workpiece. The sensor signal processing board 2023 can adopt the Advantech PCM-3362 model, with an onboard 16-bit A / D converter, a sampling rate of up to 100kHz, and a shielding shell made of 1mm thick cold-rolled steel plate, which can effectively shield external electromagnetic interference. When the cutting actuator 1 moves the cutting head, the laser line projected by the laser positioner 2021 provides intuitive guidance for the cutting path. The contact displacement sensor 2022 transmits the detected distance signal to the sensor signal processing board 2023, which processes it and feeds it back to the control system 5, realizing real-time monitoring and adjustment of the relative position between the cutting head and the workpiece, thereby improving the cutting accuracy.

[0026] The mechanical fine-tuning component 301 includes: A miniature stepper motor 3011 is fixed to the base of the cutting head, and the motor shaft is connected to an eccentric wheel 3012; The fine-tuning slider 3013 is in contact with the eccentric wheel, and the slider slides with the cutting head body through the dovetail groove guide rail 3014. The preload spring 3015 is connected at one end to the fine-tuning slider 3013 and at the other end to the base, so that the slider always fits against the eccentric wheel. The mechanical fine-tuning component 301 is equipped with a vibration compensation unit, including a piezoelectric ceramic sheet 3016 installed on the fine-tuning slider 3013, the sheet body being parallel to the dovetail groove guide rail 3014; and an active damping circuit 3017 connected to the piezoelectric ceramic sheet. The mass block 3018 integrated into the slider has its center of gravity coinciding with the torque center of the cutting head.

[0027] In the above specific embodiment, the mechanical fine-tuning component 301 includes a micro stepper motor 3011, an eccentric wheel 3012, a fine-tuning slider 3013, a dovetail guide rail 3014, a preload spring 3015, and a vibration compensation unit. The micro stepper motor 3011 is fixed to the cutting head base, and the motor shaft is connected to the eccentric wheel 3012. By driving the eccentric wheel 3012 to rotate, the fine-tuning slider 3013 is moved. The fine-tuning slider 3013 contacts the eccentric wheel 3012 and slides with the cutting head body through the dovetail guide rail 3014 to achieve precise displacement. One end of the preload spring 3015 is connected to the fine-tuning slider 3013, and the other end is fixed to the base, which enables the slider to always fit against the eccentric wheel 3012 to ensure transmission stability. In the vibration compensation unit, the piezoelectric ceramic sheet 3016 is mounted on the fine-tuning slider 3013, with the sheet body parallel to the dovetail groove guide rail 3014, which can generate reverse vibration to offset the cutting vibration; the active damping circuit 3017 is connected to the piezoelectric ceramic sheet and is used to control the vibration output of the piezoelectric ceramic sheet; the mass block 3018 is integrated into the slider, and its center of gravity coincides with the torque center of the cutting head, which can balance the torque generated during cutting and reduce shaking. Among them, the micro stepper motor 3011 can be the Shinano STP-28D2004 model, with a step angle of 1.8°, rated current of 0.4A, and no-load speed of 500rpm, which can accurately drive the eccentric wheel 3012 to rotate; the eccentric wheel 3012 is made of 45 steel, with an eccentricity of 0.1-0.5mm, and the surface is quenched to a hardness of HRC50-55; the dovetail groove guide rail 3014 is selected from the Yintai PMI-MSA series, with a guide rail accuracy grade of H and a gap of ≤0.005mm, ensuring smooth and high-precision sliding of the micro-adjustment slider 3013; the preload spring 3015 is made of piano wire with a wire diameter of 0.3mm, a free length of 20mm, and an elastic coefficient of 5N / mm. The piezoelectric ceramic sheet 3016 can be the Ningbo Yunsheng PZT-5H model, with dimensions of 10mm×5mm×0.5mm, a resonant frequency of 10kHz, and a maximum displacement of 5μm; the active damping circuit 3017 can be built using TI's DRV592 chip, supporting 0-5V control signals and output current of 0-1A, which can precisely control the vibration of the piezoelectric ceramic sheet 3016; the mass block 3018 is made of tungsten alloy with a density of 18g / cm³, and its mass is adapted to the torque center of the cutting head to ensure that the center of gravity coincides.When the cutting head needs fine-tuning, the micro stepper motor 3011 drives the eccentric wheel 3012 to rotate, which in turn moves the fine-tuning slider 3013 along the dovetail groove guide rail 3014. The pre-tension spring 3015 ensures that the two are in close contact. During the cutting process, the active damping circuit 3017 controls the piezoelectric ceramic sheet 3016 to generate reverse vibration, which, together with the mass block 3018, balances the torque to achieve vibration compensation and improve the positional accuracy of the cutting head.

[0028] The cutting head assembly 101 includes: Alloy grinding wheel 1011 adapted for metal cutting, serrated blade 1012 adapted for plastic cutting, and ultrasonic vibrating knife 1013 adapted for composite material cutting. Each cutting head has a uniformly sized positioning pin 1014 and conductive contact 1015 at its connection end, which contact and cooperate with the pin hole and spring piece of the quick-change interface 102. The contact part of the quick-switch interface 102 adopts a graded heat conduction structure, including a contact layer of beryllium copper alloy spring 1021 with a nano diamond film 1022 plated on the surface; a transition layer of embedded micro heat pipe 1023 with the evaporation end of the heat pipe attached to the spring base; and a heat dissipation layer of aluminum heat dissipation fin array 1024 on the inner wall of the interface shell, with phase change material 1025 filled between the fins.

[0029] In the above specific embodiments, the cutting head assembly 101 includes an alloy grinding wheel 1011, a serrated blade 1012, an ultrasonic vibrating blade 1013, a positioning pin 1014, a conductive contact 1015, and a graded heat-conducting structure of a quick-change interface 102. The alloy grinding wheel 1011 is suitable for metal cutting, the serrated blade 1012 is suitable for plastic cutting, and the ultrasonic vibrating blade 1013 is suitable for composite material cutting, meeting the cutting needs of workpieces of different materials. The connecting end of each cutting head is provided with a positioning pin 1014 and a conductive contact 1015 of uniform specification, which contact and cooperate with the pin hole and spring of the quick-change interface 102 to realize quick replacement and electrical signal transmission. The contact part of the quick-change interface 102 adopts a graded heat conduction structure. The surface of the beryllium copper alloy contact 1021 of the contact layer is coated with a nano-diamond film 1022, which not only ensures conductivity but also enhances wear resistance and thermal conductivity. The micro heat pipe 1023 embedded in the transition layer has its evaporation end attached to the contact base, which can quickly conduct heat. The inner wall of the interface shell of the heat dissipation layer is equipped with an aluminum heat dissipation fin array 1024, and the space between the fins is filled with phase change material 1025, which can efficiently dissipate heat and prevent the interface from being damaged by high temperature. Among them, the alloy grinding wheel 1011 can be the Talley TL-800 model, with a diameter of 100-200mm, a thickness of 1.2-3mm, and an abrasive grit of 80-120 mesh, suitable for cutting various metal materials; the serrated blade 1012 can be the Bosch T118A model, with 18 TPI teeth and a blade thickness of 0.8mm, suitable for cutting plastics and wood; the ultrasonic vibrating knife 1013 can be the BRANSON series, with a vibration frequency of 20-40kHz and an amplitude of 15-50μm, suitable for cutting composite materials such as carbon fiber. The locating pin 1014 is made of 40Cr material, with a diameter of 6mm, a length of 15mm, and a tolerance grade of h6; the conductive contact 1015 is made of copper, with a silver-plated surface, a diameter of 3mm, and a height of 2mm. The beryllium copper alloy spring 1021 of the quick-change interface 102 is made of C17200 material, with a thickness of 0.3mm and an elastic modulus of 128GPa; the nano-diamond film 1022 has a thickness of 5-10μm and a hardness of 100GPa; the micro heat pipe 1023 can be the UTL series, with a diameter of 3mm, a length of 30mm, and a thermal conductivity of 10000W / (m・K); the aluminum heat dissipation fin array 1024 is made of 6063 aluminum alloy, with a fin thickness of 0.2mm and a spacing of 2mm; the phase change material 1025 can be the paraffin-based RT25 model, with a phase change temperature of 25℃ and a latent heat of 200kJ / kg.When the cutting head needs to be replaced, simply align the positioning pin 1014 of the corresponding cutting head with the pin hole of the quick-change interface 102 and insert it. The conductive contact 1015 will then contact the spring to complete the installation. The reverse operation will remove the head, enabling quick replacement. During the cutting process, the heat from the contact layer is conducted to the heat dissipation fin array 1024 through the micro heat pipe 1023. The phase change material 1025 absorbs the heat and undergoes a phase change, effectively reducing the interface temperature and ensuring stable operation of the equipment.

[0030] The abnormal alarm unit 4 also includes: The tri-color warning light 403 installed on the device housing corresponds to three states: normal, warning, and alarm. The buzzer 404, integrated into the control system, supports multi-frequency tone switching; The vibration frequency of the vibrator 405, which is connected to the workbench, varies with the level of abnormality. The vibration feedback component 402 includes a magnetorheological fluid directional vibration transmission structure, which includes an annular cavity 4021 fixed to the worktable, the cavity being filled with magnetorheological fluid 4022; an electromagnetic coil group 4023 surrounding the cavity, the coils being independently controlled according to spatial quadrants; and a flexible vibration transmission membrane 4024 attached to the surface of the cavity, on which conical oscillators 4025 are arrayed.

[0031] In the above specific embodiment, the abnormal alarm unit 4 includes a magnetorheological fluid directional vibration transmission structure comprising a three-color warning light 403, a buzzer 404, a vibrator 405, and a vibration feedback component 402. The three-color warning light 403 is installed on the device housing and corresponds to three states: normal, warning, and alarm, respectively, which can intuitively display the equipment's operating status. The buzzer 404 is integrated into the control system and supports multi-frequency tone switching, transmitting different abnormal information through different frequency sounds. The vibrator 405 is connected to the workbench, and its vibration frequency changes with the level of abnormality, which can remind the operator through vibration. In the magnetorheological fluid directional vibration transmission structure of the vibration feedback component 402, the annular cavity 4021 is fixed to the worktable and filled with magnetorheological fluid 4022, which can change its viscosity with the change of magnetic field; the electromagnetic coil group 4023 surrounds the cavity and is independently controlled according to the spatial quadrant, which can generate a directional magnetic field; the flexible vibration transmission membrane 4024 is attached to the surface of the cavity, and the conical oscillators 4025 distributed in an array on the membrane can transmit vibration in a directional manner, ensuring that the operator can accurately perceive the abnormal position. Among them, the three-color warning light 403 can be Siemens APT TL-50 series, with red, yellow and green LED light sources, working voltage 24V, brightness ≥5000mcd, and visibility distance ≥30m, corresponding to alarm, warning and normal status respectively; the buzzer 404 is selected from Omron Piezoelectric Buzzer PKB24 series, working voltage 24V, frequency range 500-3000Hz, volume ≥85dB, and the frequency can be adjusted by the control system; the vibrator 405 can be a TOGNELLA vibrator, working voltage 220V, vibration frequency 50-200Hz, amplitude 0.1-1mm, and the vibration frequency increases with the increase of the abnormality level. In the magnetorheological fluid directional vibration transmission structure, the annular cavity 4021 is made of aluminum alloy with an inner diameter of 100mm and a wall thickness of 5mm; the magnetorheological fluid 4022 can be of the Lord MRF-132DG model, with a zero-field viscosity of 1Pa・s and a yield stress ≥50kPa; the electromagnetic coil group 4023 uses enameled copper wire with a wire diameter of 0.2mm, 500 turns per phase, and is divided into 4 groups for independent control according to spatial quadrants; the flexible vibration transmission diaphragm 4024 is made of silicone rubber with a thickness of 1mm and a tensile strength ≥5MPa; the conical oscillator 4025 is made of ABS material with a height of 5mm and a bottom diameter of 3mm, and is distributed in a matrix.When the equipment malfunctions, the tri-color warning light 403 illuminates in the corresponding color, the buzzer 404 emits a sound at the corresponding frequency, and the vibrator 405 generates vibration at the corresponding frequency. Simultaneously, the control system energizes the electromagnetic coil group 4023 in the corresponding quadrant based on the location of the malfunction, causing the magnetorheological fluid 4022 to change its state under the action of a directional magnetic field. This drives the conical oscillator 4025 on the flexible diaphragm 4024 to vibrate in a directional manner, achieving multi-dimensional and precise malfunction alarms to ensure that operators can detect and handle the situation promptly.

[0032] The hardware structure of the control system 5 includes: The embedded PLC controller 502 connects to various actuators via relay module 503; The touch screen 504 has a protective film and a physical emergency stop button 505 on the edge of the screen; the non-volatile memory 506 is used to store calibration parameters and communicates with the PLC controller via the SPI bus.

[0033] In the above specific embodiment, the hardware structure of the control system 5 includes an embedded PLC controller 502, a relay module 503, a touch screen display 504 with a protective film, a physical emergency stop button 505, and a non-volatile memory 506. The embedded PLC controller 502 serves as the core control component, connecting various execution components through the relay module 503 to achieve precise control of the cutting execution mechanism 1, the dual positioning system 2, etc. The touch screen display 504 with a protective film allows operators to set parameters and control operations. The physical emergency stop button 505 on the edge of the screen can quickly shut down equipment operation in emergencies to ensure safety. The non-volatile memory 506 is used to store calibration parameters and communicates with the PLC controller via the SPI bus to ensure stable parameter storage and rapid retrieval. Among them, the embedded PLC controller 502 can be the Siemens S7-1200 series 1214C model, equipped with 14 inputs / 10 outputs of digital I / O, supporting PROFINET communication, with an operation speed of 0.1μs / instruction, and can efficiently process control logic; the relay module 503 is the Omron G2R-1 series, with a rated current of 5A and a rated voltage of 250VAC / 30VDC, which can stably connect various actuators and achieve electrical isolation; the touch screen display 504 can be the Weintek MT8102iE model, a 10.1-inch high-definition screen with a 2H hardness protective film, supporting multi-touch, and a response time ≤5ms; the physical emergency stop button 505 is the Schneider XB2BS542C model, conforming to the EN ISO 13850 standard, with an operating force of 15-30N, which can cut off the control circuit in an emergency; the non-volatile memory 506 is the Winbond W25Q. This series of devices features a 16MB capacity, an SPI bus transmission rate of 104MHz, and a write / erase cycle of ≥100,000 times, reliably storing calibration parameters. During operation, the embedded PLC controller 502 sends control signals to each actuator via the relay module 503. Operators set parameters via the touchscreen display 504, and operation data is transmitted to the PLC controller in real time. The non-volatile memory 506 communicates with the PLC controller via the SPI bus to quickly recall or store calibration parameters. In case of emergency, pressing the physical emergency stop button 505 immediately interrupts equipment operation, ensuring production safety. The overall structure achieves intelligent and precise control of the equipment.

[0034] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these specific embodiments are merely illustrative. Those skilled in the art can omit, substitute, and modify the details of the above methods and systems in various ways without departing from the principles and essence of this utility model. For example, combining the above method steps to perform substantially the same function and achieve substantially the same result according to substantially the same method falls within the scope of this utility model. Therefore, the scope of this utility model is defined only by the appended claims.

Claims

1. A machine cutting device for industrial manufacturing, characterized in that, include: A cutting actuator (1) is used to perform cutting operations on a workpiece. The cutting actuator (1) includes a replaceable cutting head assembly (101), which is connected to a drive shaft via a standardized quick-change interface (102). The dual positioning system (2) works in conjunction with the cutting actuator (1) to achieve workpiece positioning. The dual positioning system (2) includes a primary positioning unit (201) and a secondary positioning unit (202). The primary positioning unit (201) is located on the edge of the worktable, and the secondary positioning unit (202) is integrated into the moving end of the cutting actuator (1). An automatic calibration module (3) is connected to the cutting actuator (1) and is used to calibrate the position accuracy of the cutting head. The automatic calibration module (3) includes a mechanical fine-tuning component (301) and a position detection sensor (302). An abnormal alarm unit (4) is connected to the dual positioning system (2) and the cutting actuator (1). The abnormal alarm unit (4) is equipped with an audible and visual alarm device (401) and a vibration feedback component (402). The control system (5) is electrically connected to the cutting actuator (1), the dual positioning system (2), the automatic calibration module (3) and the abnormal alarm unit (4), respectively. The main control panel (501) of the control system (5) integrates a touch operation area and a status display area.

2. The machine cutting device for industrial manufacturing according to claim 1, characterized in that, The primary positioning unit (201) includes: Two parallel high-precision linear guide rails (2011), with a magnetic scale embedded in the surface of the guide rails (2012). A positioning baffle (2013) is slidably connected to the slide rail, and a reading head (2014) is provided at the bottom of the baffle to cooperate with the magnetic scale. A servo motor (2015) drives the positioning baffle to move, and the motor output shaft is connected to the baffle via a ball screw (2016); The primary positioning unit (201) is provided with a vortex dust removal mechanism between itself and the worktable, including an annular air chamber (2017) embedded in the linear slide rail (2011), with inclined jet holes (2018) opened in the cavity wall; a pulse air pump (2019) connected to the air chamber, with the jet direction pointing towards the surface of the magnetic scale (2012); and an electrostatic adsorption mesh (2020) integrated at the end of the slide rail, with the mesh surface and the reading head (2014) arranged in a staggered manner.

3. The machine cutting device for industrial manufacturing according to claim 1, characterized in that, The secondary positioning unit (202) includes: A laser positioner (2021) is installed on the side of the cutting head, with the laser emission direction parallel to the cutting edge; Three contact displacement sensors (2022) are arranged in a ring, with the sensor probes protruding 1-3mm from the end face of the cutting head; The sensor signal processing board (2023) is electrically connected to the contact displacement sensor (2022), and the board body is provided with a shielded shell.

4. The machine cutting device for industrial manufacturing according to claim 1, characterized in that, The mechanical fine-tuning component (301) includes: A miniature stepper motor (3011) is fixed to the base of the cutting head, and the motor shaft is connected to an eccentric wheel (3012). The fine-tuning slider (3013) is in contact with the eccentric wheel, and the slider slides with the cutting head body through the dovetail guide rail (3014); A preload spring (3015) is connected at one end to a fine-tuning slider (3013) and at the other end to a base, so that the slider always fits against the eccentric wheel; The mechanical fine-tuning component (301) is equipped with a vibration compensation unit, including a piezoelectric ceramic sheet (3016) installed on the fine-tuning slider (3013), the sheet body being parallel to the dovetail groove guide rail (3014); and an active damping circuit (3017) connected to the piezoelectric ceramic sheet. The mass block (3018) integrated into the slider has its center of gravity coinciding with the torque center of the cutting head.

5. The machine cutting device for industrial manufacturing according to claim 1, characterized in that, The cutting head assembly (101) includes: Alloy grinding wheels (1011) for metal cutting, serrated blades (1012) for plastic cutting, and ultrasonic vibrating knives (1013) for composite material cutting. Each cutting head has a uniformly sized positioning pin (1014) and conductive contact (1015) at its connection end, which are in contact with the pin hole and spring of the quick-change interface (102). The contact part of the quick-switch interface (102) adopts a graded heat conduction structure, including a contact layer of beryllium copper alloy spring (1021) with a nano diamond film (1022) coated on the surface; a transition layer of embedded micro heat pipe (1023) with the evaporation end of the heat pipe attached to the spring base; and a heat dissipation layer of aluminum heat dissipation fin array (1024) on the inner wall of the interface shell, with phase change material (1025) filled between the fins.

6. The machine cutting device for industrial manufacturing according to claim 1, characterized in that, The abnormal alarm unit (4) also includes: The three-color warning light (403) installed on the device housing corresponds to the three states of normal, warning, and alarm respectively; The buzzer (404) integrated into the control system supports multi-frequency tone switching; The vibration frequency of the vibrator (405) connected to the workbench varies with the level of abnormality. The vibration feedback component (402) includes a magnetorheological fluid directional vibration transmission structure, which includes an annular cavity (4021) fixed to the worktable, the cavity being filled with magnetorheological fluid (4022); an electromagnetic coil group (4023) surrounding the cavity, the coils being independently controlled according to spatial quadrants; and a flexible vibration transmission membrane (4024) attached to the surface of the cavity, with conical oscillators (4025) arrayed on the membrane.

7. The machine cutting device for industrial manufacturing according to claim 1, characterized in that, The hardware structure of the control system (5) includes: An embedded PLC controller (502) is connected to each actuator via a relay module (503); A touch screen display (504) with a protective film and a physical emergency stop button (505) on the edge of the screen; a non-volatile memory (506) for storing calibration parameters, which communicates with the PLC controller via an SPI bus.

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