1314 results about "Machining time" patented technology

The invention belongs to the technical field of industrial intelligence, and relates to a deep reinforcement learning-based non-correlation parallel machine scheduling method, which comprises the following steps of: constructing a mathematical model suitable for non-correlation parallel machine scheduling; the machining time of each workpiece on each heterogeneous machine is collected, and normalization processing is carried out; initializing a genetic algorithm scheduling population and a depth Q network; constructing a deep reinforcement learning training framework; expressing a state vector by using the average fitness, the optimal fitness and the optimal individual code; operating parameters of the genetic algorithm are controlled by using the action space, and parameters of the deep Q network are updated by using a reward function; and dynamically controlling operator selection in a genetic algorithm iteration process by using the trained deep reinforcement learning model to obtain an optimal scheduling solution and realize scheduling of the non-correlation parallel machine. According to the method, a deep reinforcement learning algorithm is provided for solving similar problems in the manufacturing industry production scheduling field by analyzing a non-correlation parallel machine scheduling problem data model, and the production efficiency is improved.

The invention discloses a downward pressing type L-shaped wind power flange ring rolling device and a using method thereof.The device comprises a bearing frame and a ring rolling mechanism, and the ring rolling mechanism is arranged on the bearing frame; the ring rolling mechanism comprises a driving piece installed on the bearing frame, a lower ring rolling piece, a ring expanding piece and an upper ring rolling piece, wherein the lower ring rolling piece and the ring expanding piece are installed on the driving piece in a sliding mode, and the upper ring rolling piece is coaxially arranged above the lower ring rolling piece. The ring rolling device is provided with the ring rolling mechanism, the lower ring rolling piece and the ring expanding piece are driven by the first motor to move in different directions, an upper pressing roller and a lower pressing roller are gradually and tightly combined in cooperation with a tight combining piece to roll the ring blank while the ring blank is subjected to expanding machining, and the ring blank is machined into the needed size. The machining time is shortened, the machining efficiency is improved, and the device is compact in structure and not prone to faults.

The invention provides a compensation regulation and control method and platform for a numerical control machine tool driven by industrial vision, and relates to the technical field of industrial vision, and the method comprises the steps: determining an industrial vision monitoring module; outputting a tool movement position time sequence and a workpiece contour change time sequence; error comparison and traceability are carried out on the tool movement position time sequence and the workpiece contour change time sequence and a preset tool movement track and a preset workpiece contour change track stored in a control terminal of the numerical control machine tool, and an error comparison result is generated; and performing compensation of generated errors and error prediction compensation of a future processing time zone according to the error comparison result. According to the method, the technical problem that in the prior art, due to the fact that tiny dynamic errors are difficult to capture and trace in real time, the machining precision is poor can be solved, dynamic sensing and error comparison of tool movement and the workpiece contour are achieved, and the technical effects of high-precision error compensation and machining track prediction optimization are achieved.

The invention relates to the technical field of precision mold welding processing, and provides a welding positioning device for precision mold processing, which comprises a workbench and a bracket mounted at the top end of the workbench, and feeding mechanisms are installed on one side and one end of the workbench correspondingly, positioning structures are arranged on the tops of the feeding mechanisms correspondingly, a supporting plate is installed on the top of the support, and a clamping mechanism is arranged in the supporting plate. The feeding mechanisms are arranged, the two feeding structures are arranged in an L shape in a staggered mode, a lead screw drives the platform to conduct feeding and discharging, the full-automatic function is achieved, the two feeding structures work in a staggered mode, seamless connection of discharging on one side and synchronous feeding on the other side is achieved, non-machining time is greatly shortened, the vacancy rate of equipment is reduced, and the working efficiency is improved. And the die parts are positioned during feeding, so that the effect of pre-centering before fixing is achieved, deflection errors are avoided, the machining precision is improved, the consistency is ensured, and the clamping process is simplified.

The invention discloses a device and a method for direction-selecting double-head upsetting of a saddle for a spray pipe of a driving motor of a new energy automobile. The device comprises a control system; the hopper component is used for storing to-be-machined pipe fittings, a discharging position is arranged on the hopper component, and the pipe fittings are discharged from the discharging position one by one; the material receiving component is used for receiving the pipe fittings discharged from the hopper component and moving the pipe fittings to a detection position; the rotary orientation component is used for rotating the pipe fitting to a target angle state according to the position of the spraying hole in the pipe fitting; the material waiting part is used for moving the pipe fitting rotating to the target angle state to a material waiting position; a material moving manipulator; and the stamping part is used for stamping the two ends of the pipe fitting so as to form saddle structures at the two ends of the pipe fitting. Full-process automatic operation is achieved, automatic discharging is achieved through the hopper component, pipe fittings are conveyed through the material receiving component, the angle is automatically positioned through the rotary orientation component, and compared with a traditional operation mode that angles are manually adjusted one by one, the single-piece machining time can be greatly shortened, and the productivity is remarkably improved.

The invention relates to the technical field of rolling technology and equipment detection, in particular to a method, a system and equipment for detecting deviation of a roll gap of a rolling mill, and the method comprises the steps: constructing a vibration detection center line parallel to a roll axis of a working roll according to a to-be-processed copper material, and according to the vibration detection center line, roller vibration characteristics are acquired by taking each working roller as a unit, a vibration characteristic matrix is generated according to the machining time of the corresponding working roller, and vibration deviation comparison is performed on the vibration characteristic matrix corresponding to each working roller by establishing a reference vibration deviation model, so that a roller gap deviation detection result is obtained. The problem that weak vibration changes under high-speed and high-load working conditions are difficult to capture in roll gap deviation is effectively solved, a reference vibration deviation model is established through dynamic monitoring and analysis based on vibration signals, efficient and accurate roll gap deviation detection is achieved, and the stability of the production process is guaranteed.

The utility model relates to the technical field of pipeline processing, in particular to a pipeline fixer for plastic pipeline processing, which comprises a support frame, the surface of the support frame is provided with a first fixing frame and a second fixing frame which are used for clamping a pipeline, the side wall of the support frame is connected with a sliding block in a sliding mode, and the surface of the sliding block is fixedly provided with an annular frame. The side wall of the annular frame is rotationally connected with a rotating ring. The rotating ring and the connecting ring are arranged on the sliding block, the rotating ring and the connecting ring can rotate, when the rotating ring rotates, the polishing mechanism on the surface can be used for polishing the surface of a pipeline, and the phenomenon that the coating effect is affected by dirt on the surface of the pipeline is reduced; and therefore, the pipeline surface coating device is more convenient, and the processing time is saved.

The invention provides a micro-nano processing platform user machine-hour management method and device, a storage medium and equipment. The method comprises the following steps: acquiring an equipment reservation request sent by a user; calling a user initial machine hour from the equipment machine hour management system according to the user identity information; if the initial machine time of the user does not meet the equipment machine time sum of the equipment reservation request, sending a prompt message that the machine time is insufficient to the user; real-time equipment operation parameters and user real-time operation records of a user in the equipment operation process are obtained, and a user machine time adjustment strategy is obtained according to the real-time equipment operation parameters, the user real-time operation records and the equipment reservation request; and adjusting the initial machine time of the user according to the machine time adjustment strategy to obtain a final user machine time, and sending the final user machine time to the user. Through the user machine-hour management method, transparent machine-hour management of the micro-nano machining platform is realized, and meanwhile, the opinions of standard operation of the user and the use efficiency of the micro-nano machining platform equipment are improved by utilizing the equipment machine-hour adjustment strategy.

The invention provides an ion beam polishing multi-working-condition removal function obtaining method which comprises the steps that according to a to-be-machined optical surface shape and a planned movement track of an ion source relative surface shape, the change range of an ion beam incident angle and the change range of a machining distance in a polishing machining task are determined; carrying out limited times of single-point etching experiments, and detecting the surface shape of the workpiece after the single-point etching experiments; calculating a processing amount distribution, and calculating a removal function considering the incident angle of the ion beam and the processing distance based on the processing amount distribution data and the processing time; training an artificial neural network by taking the removal function as training data; and on the basis of the trained neural network, obtaining a removal function fitting parameter pair according to the actual processing task requirement, and performing inverse processing on the removal function fitting parameter pair to obtain a removal function of the actual processing point. According to the removal function obtained through the method, the influence under multiple working conditions is considered, and the current high-precision machining requirement for the high surface slope or various non-planar optical surface shapes can be better met.

The utility model is suitable for the technical field of silver powder grinding, and provides a silver powder grinding and screening mechanism which comprises a grinding and screening box. The motor is fixed in the center of the bottom in the grinding and screening box through a bolt; the turntable is fixed at the output end of the motor; the grinding frustum is integrally formed in the center of the top of the rotary table; the conveying pipe is fixed in the center of the top of the grinding and screening box in a penetrating manner; the grinding cover is welded at the bottom end of the conveying pipe; the grinding cone groove is formed in the position, close to the outer side of the grinding cone table, of the center of the bottom of the grinding cover; silver powder which does not meet the particle size requirement is screened out through the first screening plate and the second screening plate, the silver powder is moved to the position between the grinding frustum and the grinding cone groove again through the conveying capacity of gas to the silver powder to achieve secondary grinding and even multiple times of grinding, the silver powder is evenly ground, the grinding efficiency is guaranteed, silver powder grinding and screening are integrated, and the silver powder grinding efficiency is improved. Machining time is greatly shortened, and production efficiency is improved.

The utility model relates to the technical field of carrier roller welding, in particular to a modularized liftable roller welding platform which comprises at least two support sets, a lifting plate is installed on the top of each support set, the top of each lifting plate is in sliding connection with a V-shaped piece used for containing a carrier roller, and fixing plates are fixed to the two ends of the top of each lifting plate. The fixing plate is in threaded connection with an adjusting bolt, one end of the adjusting bolt abuts against the V-shaped piece, a fixing stud is fixed to the bottom of the lifting plate, the fixing stud is in threaded connection with a threaded cylinder, and the bottom of the threaded cylinder is rotationally connected with a supporting flat plate. The modular liftable roller welding platform has the beneficial effects that the modular liftable roller welding platform ascends and descends through the threaded cylinder, the height of the roller skin and the height of the receiving disc can be conveniently adjusted, and operation is convenient and fast; the modular V-shaped seat can meet the processing requirements of rollers with different diameters, and various combinations are realized; and the levelness and coaxiality requirements of the roller are guaranteed through the welding platform, the adjusting steps are simplified, and the machining time is greatly saved.

The invention provides a metal finish machining machine tool and a using method thereof, and belongs to the technical field of metal finish machining machine tools. The main shaft gear box is fixedly connected to the top of the machine body, a scrap iron groove is formed in the top of the machine body and corresponds to the main shaft gear box, a main shaft hole is formed in the side end of the main shaft gear box, and a clamping mechanism is arranged between the circumferential surfaces of the main shaft hole; the protective cover slides on the top of the machine body and corresponds to the spindle gear box and the scrap iron groove, the rotating disc drives the arc rod to deflect in a reciprocating mode, the arc rod drives the swing block to deflect in a reciprocating mode, the swing block drives the hollow rail and the cutter bar to deflect, the cutter bar drives the cutting knife to reciprocate in an arc mode, and the cutting knife conducts arc cutting on the spherical casting. The repeated arc feeding programming of the cutter is carried out on the surface of the ball casting, accurate cutting and polishing of the surface of the ball casting are accelerated, the machining time of a single ball casting is shortened, and the machining efficiency of a ball workpiece is effectively improved.

The invention relates to the technical field of machining equipment, and particularly discloses workpiece bidirectional machining equipment based on a double-sided drilling and tapping structure. Drilling and tapping mechanisms are installed on the two sides of the top end of the machining table correspondingly, a supporting frame is installed in the middle of the top end of the machining table, a clamping mechanism is installed at the other end of the supporting frame, and a collecting box is installed in the middle of the bottom end of the machining table. The two servo tool turrets are both provided with the tools, machining operation such as drilling and tapping can be carried out on the two ends of the disc-type radial plate at the same time, through the design, the machining time is greatly shortened, the production efficiency is improved, positioning deviation caused by multiple times of clamping is avoided, the machining precision and consistency of workpieces are effectively improved, and in addition, the machining efficiency of the disc-type radial plate is improved. The appearance of a workpiece machining face can be obtained in real time through the structured light camera, the temperature of the workpiece during machining is measured through the infrared temperature sensor, machining vibration is monitored through the vibration sensor, and therefore machining precision and consistency are guaranteed.

The invention provides a distributed heterogeneous flexible job shop scheduling optimization method based on solution space conversion, which aims to solve the problem of energy-saving distributed heterogeneous flexible job shop scheduling, and comprises the following steps of: 1, preprocessing related data of factories and workpieces; 2, constructing a distributed heterogeneous flexible workshop scheduling problem model; 3, presetting value method related parameters; 4, the average machining time of each workpiece is calculated; step 5, constructing a workpiece group through a hierarchical clustering method of optimal leaf order constraint; step 6, constructing an initial scheme according to the workpiece group; and 7, solving the model through a distributed heterogeneous flexible job shop scheduling optimization method based on solution space conversion to obtain an optimal scheduling scheme. According to the method, the distributed heterogeneous flexible job shop scheduling problem can be quickly solved, a scheme of minimum maximum completion time and total energy consumption is provided for actual production scheduling, and the production efficiency and the resource utilization rate are improved.

The invention discloses a free-form surface flexible polishing self-adaptive control method and device, and belongs to the technical field of ultra-precision four-axis polishing machine tool machining. According to the method, a high-efficiency closed-loop control system is constructed on the basis of a flexible head removal principle in combination with an automatic control technology and a pressure sensing technology, fine online capture of down pressure changes and self-adaptive adjustment of polishing parameters in the polishing process can be achieved, the limitation of the prior art is effectively overcome, and the intelligent level of the process is improved. Comprising a flexible polishing head and a downward pressure on-line detection device. The actual machining condition of the current position is analyzed by collecting downward pressure generated by deformation of the flexible polishing head in the polishing process, and technological parameters are automatically adjusted. The invention provides a more efficient and accurate free-form surface flexible polishing scheme, the machining time can be remarkably shortened, the labor intensity of technicians is relieved, and meanwhile, the machining precision is guaranteed and improved. The device has the advantages of simple structure, convenience in disassembly and assembly, high precision and the like.

The utility model discloses wire rod casing welding equipment which comprises a machine table, a first feeding mechanism, a clamp, a conveying mechanism, a second feeding mechanism, a casing mechanism, a peeling mechanism, a third feeding mechanism and a welding mechanism. An auxiliary mechanism used for assisting the shell sleeving mechanism in shell sleeving action is arranged between the shell sleeving mechanism and the conveying mechanism. The auxiliary mechanism comprises a first clamping piece, a first driving device and a first lifting device. Thus, through the design of all the mechanisms, the shell sleeving mechanism is used for grabbing the shell and arranging the shell on the wire rod, and the auxiliary mechanism is arranged in a matched mode, so that the wire rod is clamped and positioned, the shell sleeving operation of the wire rod is facilitated, the subsequent manual shell sleeving procedure is omitted, meanwhile, the wire rod is moved into all the procedures through the conveying mechanism to be machined, and the machining efficiency is improved. Therefore, automatic production of the wire rod, the shell and the head is achieved, the production efficiency of products is improved, the processing time is short, the production cost of the data line is reduced, the use requirements of users are met, the practicability is high, and the application range is wide.

The utility model discloses a flange trepanning device which comprises a bottom plate, a machine frame is fixedly installed on the bottom plate, a conveying disc is rotationally connected to the machine frame, a plurality of containing grooves are formed in the conveying disc, a flange plate is placed in one containing groove, an installation frame is fixedly installed on the right side of the machine frame, and an air cylinder is fixedly installed at the top end of the installation frame. A support is fixedly mounted at the output end of the air cylinder, a mounting seat is fixedly mounted at the bottom end of the support, a fluted disc is rotationally connected into the mounting seat, a plurality of gears are connected to the outer side of the fluted disc in a meshed mode, drill rods are fixedly mounted at the bottom ends of the gears, and a plurality of fixing seats are fixedly mounted on the outer side of the mounting seat. According to the flange tapping device, multiple holes can be drilled in the flange plate at a time, operation steps are reduced, the flange tapping device is suitable for batch machining of the flange plate, meanwhile, the waiting time in the drilling process can be fully utilized, the flange plate can be placed or taken out, the overall machining time is saved, and therefore the machining efficiency is further improved.

The invention particularly relates to a numerical control machining path optimization method for undercarriage shell machining, and relates to the technical field of numerical control machining. Generating an initial processing path and setting parameters; adjusting parameters driven by a path optimization algorithm; and performing virtual simulation verification and path correction. According to the method, Dijkstra and genetic algorithms are used for optimizing the machining sequence and path, strategies such as equal residual height control are adopted for balancing the cutting load, and the optimal cutting parameters are solved through a multi-objective function. The relation among the machining time, the surface roughness and the tool abrasion loss is fully considered in the process, and collaborative optimization of the machining efficiency, the machining quality and the tool service life is achieved. And the problems of low machining efficiency, substandard surface quality, premature wear of the cutter and the like caused by unreasonable parameters are avoided, the production cost is effectively reduced, and the production benefit is improved.

The invention relates to a laser dust removal device and battery welding equipment. The laser dust removal device comprises a rotary table, a laser dust removal device and a laser dust removal device, the clutch mechanism is arranged on the rotary table, and a dust removal channel is formed in the clutch mechanism; the dust removal mechanism comprises a plurality of dust removal suction pipes arranged in the circumferential direction of the rotating disc, one end of at least one dust removal suction pipe is connected with the clutch mechanism, and the other end of the dust removal suction pipe faces the corresponding station; and when the turntable rotates, the clutch mechanism is used for selectively communicating at least one dust removal suction pipe with the dust removal channel. According to the scheme, the dust removal mechanism and the rotary table can be combined into a whole, code carving and dust removal are conducted at the same time on the basis that the size of the rotary table and the number of stations are not increased, and the machining time of a single station is shortened.

The invention provides a cross-flow fan and an air conditioner, and belongs to the technical field of air conditioners. The cross-flow fan comprises a shell, a volute, a volute tongue and a cross-flow impeller. The volute and the volute tongue are both connected with the shell, an air inlet channel and an air exhaust channel are formed between the volute and the volute tongue, the volute tongue is provided with a backflow channel, an air inlet of the backflow channel is communicated with the air exhaust channel, and an air outlet of the backflow channel is communicated with the air inlet channel; the cross-flow impeller is located in the volute and between the air inlet channel and the air exhaust channel, and is rotationally connected with the shell. In the direction parallel to the axis of the cross-flow impeller, the backflow channel is located in the middle of the volute tongue, and the length of the backflow channel is smaller than the total length of the volute tongue. By the adoption of the cross-flow fan, the position of the eccentric vortex is more stable, so that the pressure resistance of the cross-flow fan is improved, stall is weakened or even delayed, noise is avoided, the machining difficulty is reduced, the machining time is shortened, and the machining efficiency of the cross-flow fan is improved.

The invention provides a drilling processing method for a ceramic substrate. The drilling processing method for the ceramic substrate comprises the following steps: forming a large hole in the ceramic substrate by adopting laser drilling, wherein the aperture of the large hole is 0.25-5mm or is 0.5 times greater than the thickness of the ceramic substrate; filling the macropores with a composite material containing a ceramic filler and thermosetting resin, and forming a supporting layer through a curing process; and the supporting layer is mechanically drilled to form small holes, and the hole diameter of the small holes is smaller than that of the large holes. According to the ceramic substrate drilling machining method, through stepped drilling of laser taper hole guiding, composite material filling and mechanical precision drilling, the problem that small holes of a thin substrate are prone to cracking during machining is solved, the yield is increased, the risk of breakage of a hard drill bit for mechanical drilling can be reduced, machining time is shortened, and the production cost is reduced; the drilling processing method is compatible with various ceramic substrates, and can solve the problem of multi-material integration of electronic packaging.

The invention discloses packaging equipment for secondary lithium ion battery processing, and relates to the technical field of lithium battery processing, the packaging equipment comprises a sealing edge pressing assembly, a cavity is axially formed in a machine body of the sealing edge pressing assembly, an adjusting bolt is mounted at the closed end of the cavity, and a pressing rod is axially mounted in the cavity in a sliding manner; one end of the pressing rod is elastically connected with the inner wall of the closed end of the cavity through a spring; close press fitting of a battery cover body can be achieved through axial sliding of a pressing rod overcoming the elastic force of a spring, meanwhile, in the upward moving process of a magnetic suction head, through abutting transmission of a back conical surface and a crank, a pressing strip is driven to clamp the peripheral side of a battery cover and be embedded into an annular groove for sealing, two key procedures are integrated in the same contact stroke, and the working efficiency is improved. The machining time is greatly shortened, the assembling efficiency is improved, and the automatic operation of the whole process of material taking and placing, feeding, press fitting and sealing is achieved through structural linkage of the three stages.

The invention relates to the field of machining equipment, in particular to a method and system for controlling the continuous feeding amount of a grinding machine according to the diameter of a grinding wheel. The continuous feeding amount of the grinding wheel is calculated according to the actual diameter of the current grinding wheel, and if the continuous feeding amount of the grinding wheel is within a set range, the feeding amount of the grinding wheel is transmitted to the feeding speed of the grinding wheel in the X-axis direction. The method has the advantages that the situation of human intervention can be reduced, the labor productivity can be improved, meanwhile, misoperation caused by operation errors in the parameter modification process of operators is reduced, the grinding efficiency of the roll grinder cannot be different due to the change of the diameter of the grinding wheel, and the grinding quality of the roll grinder is improved. The rollers can be machined more accurately, and the machining time of each roller is guaranteed.

The utility model discloses a horizontal machining center and a machining center. The horizontal machining center comprises a base, a numerical control rotary table, a stand column, a sliding table, a spindle box, a tool magazine and a movable cutter head. The numerical control rotary table is slidably connected with the base through the X-axis guide rail. The stand column is fixed to the base. A Y-axis guide rail is arranged in the stand column. The sliding table is movably connected to a Y-axis guide rail of the stand column. The spindle box is slidably connected with the sliding table through the Z-axis guide rail and provided with a spindle. The tool magazine is fixed to the outer side of the stand column. The movable cutter head is movably arranged on the stand column through a movable piece, and a plurality of cutter clamping claws are arranged on the movable cutter head in the circumferential direction. The tool changing action of the main shaft is moved to the upper portion, the movable cutter head and the main shaft are used for tool changing, tools of the movable cutter head and the tool magazine can be exchanged in the normal working process of the main shaft, and efficiency is improved. Therefore, the problem that when the main shaft tool machining time is too short, tools cannot be exchanged in time between the tool disc and the large tool magazine, and waiting is caused is solved.

The invention discloses a centering rotary feeding device, belongs to the technical application field of numerical control inverted lathes, and is used for solving the feeding problem of a large inverted lathe. The device comprises a rotary feeding device and a workpiece centering device, the rotary feeding device is based on a rotary base, longitudinal movement of a sliding seat is achieved through a linear rail and a driving system, a feeding table is driven to rotate by 360 degrees in cooperation with a rotary bearing with a gear ring, and the feeding table is provided with a self-adaptive material table; the workpiece centering device is based on the centering base, the left centering arm and the right centering arm are driven by the bidirectional driving system to move synchronously, and quenching pads on the inner sides of the centering arms are arranged in a V shape to achieve automatic centering of workpieces. The device is made of cast iron materials, so that the rigidity is improved, the maximum bearing capacity is 3200 Kg, the feeding stroke is not smaller than 2500 mm, self-adaptive clamping and precise centering of workpieces can be achieved, the machining auxiliary time is saved, support is provided for development of large inverted lathes, and the device can also be used for other equipment needing feeding and discharging of heavy workpieces.

The utility model relates to the technical field of shot blasting machine rotary tables, in particular to a shot blasting machine rotary table adjusting device which comprises a shot blasting machine bin gate, an X-shaped frame is arranged in front of the shot blasting machine bin gate, a transmission assembly is arranged between the X-shaped frame and the shot blasting machine bin gate, and a guide plate is fixedly connected to the middle of the front end of the shot blasting machine bin gate. The rotary table of the rotary table type shot blasting machine comprises an X-shaped frame, a guide plate is arranged at the upper end of the X-shaped frame, the guide plate is obliquely arranged, connecting supporting columns are slidably inserted into the four corners of the upper end of the X-shaped frame in a penetrating mode, the upper ends of the four connecting supporting columns are jointly and fixedly connected with a rotary table body, and spiral springs are slidably arranged on the outer walls of the four connecting supporting columns in a sleeving mode. And the vibration coefficient of the workpiece is increased, so that the contact effect of the workpiece and a shot blasting material can be improved, impurities on the surface of the workpiece can fall down more quickly, impurities at the concave positions of some workpieces with the surfaces not completely flat are removed more easily, and the machining time of the workpiece is shortened.

The invention provides a novel vertical double-end-face step piece grinding machine, and belongs to the technical field of grinding machines. The device comprises a rack, a workpiece rotating table assembly used for positioning the lower end face of a workpiece is arranged on the rack, a jacking device capable of acting on the upper end face of the workpiece to press the workpiece is arranged above the workpiece rotating table assembly, and after the workpiece is pressed and fixed to the workpiece rotating table assembly, the workpiece rotating table assembly can drive the workpiece to rotate around the circle center. An upper end face grinding wheel assembly and a lower end face grinding wheel assembly are arranged on one side above the workpiece and one side below the workpiece respectively and connected with the rack through an XZ-direction shifting mechanism. The upper end face and the lower end face of the workpiece can be ground at the same time, machining time is remarkably shortened, and machining efficiency of the workpiece can be greatly improved. Positioning errors caused by turning over the workpiece can be reduced, all necessary grinding machining of the workpiece can be completed only through one-time clamping, and the machining precision of the upper end face and the lower end face of the workpiece can be guaranteed.

The invention relates to the field of intelligent manufacturing and production scheduling, and discloses a heater assembly line flexible scheduling method based on production data, and the method comprises the steps: S1, obtaining the production data of a heater assembly line and corresponding environment parameters; initializing an assembly line scheduling constraint condition; wherein the assembly line scheduling constraint condition is used for defining a processing time range, an equipment load threshold value and a material supply period reference value allowed by each process in the heater assembly process; s2, if the environmental parameters exceed a preset safety threshold, dynamically correcting the real-time production data according to the environmental parameters to obtain corrected real-time production data; wherein the environment parameters comprise temperature, humidity and air cleanliness, the scheduling effect evaluation model and the association rule mining algorithm are introduced, the production efficiency improvement rate, the equipment failure rate reduction degree, the material waste reduction amount and the like can be quantitatively evaluated, and the influence relation of the key equipment operation parameters on the scheduling effect is mined.

The present invention provides a production scheduling method considering multi-cavity imbalance and machine failures, including the following steps: Step S11: Set the multi-cavity imbalance probability and machine failure rate for each machine, and set the corresponding upper and lower limits of the processing threshold; Step S12: Calculate the processing time based on the multi-cavity imbalance probability, machine failure rate, upper limit of the processing threshold, and lower limit of the processing threshold; Step S13: Set a dual-objective function of the maximum completion time of all workpieces and the total production energy consumption of all machines based on the processing time; Step S14: Use an optimization algorithm to solve and obtain a production scheduling plan. When dynamic disturbance events occur, different tasks are reasonably arranged to be processed on different machines, providing theoretical and technical support for enterprise processing.

The invention relates to the technical field of tool clamp quick change, and discloses a combined machining center machining tool quick change device which comprises a shell, a spindle box is fixedly connected to the top of the inner wall of the shell, a sliding door is connected to the front side of the inner wall of the shell in a bi-directional sliding mode, and a spindle cutter is fixedly connected to the bottom of the spindle box. Longitudinal workbenches are installed on the front side and the rear side of the inner wall of the shell, and transverse workbenches are installed on the left side and the right side of the inner wall of the shell. According to the invention, the replacement efficiency of the tool is improved, and the downtime is shortened, so that the quick positioning and locking of the fixture plate are realized by arranging the quick fixture plate positioning and fixing assembly in cooperation with steel balls, compression springs and other structures of the locking assembly, a plurality of bolts do not need to be disassembled, and the tool replacement process is simple and quick; and meanwhile, workpiece clamping and clamp debugging outside a machining machine tool are supported, parallel operation of machining and clamping is achieved, the traditional mode of tool replacement after shutdown is thoroughly changed, and the non-machining time of the machine tool is greatly shortened.