408 results about "Servo press" patented technology

The invention relates to the technical field of press monitoring, in particular to a digital twinning-based three-dimensional monitoring system for a precision servo press, which comprises a physical layer sensing module for acquiring real-time operating parameters, environment variables and workpiece processing data of the press; the dynamic twin construction module constructs a total-factor digital twin, and simulates a force-heat-deformation coupling effect by using finite element analysis and a multi-body dynamics algorithm based on physical attributes and process parameters; the intelligent analysis center identifies a potential fault mode of the press machine and locates an abnormal source through multi-physics field simulation data in combination with an improved CNN-LSTM model; the three-dimensional visual interaction unit constructs an interactive immersive three-dimensional virtual scene, renders a running state and a processing process in real time, and generates a maintenance strategy; and the self-adaptive regulation and control unit predicts the residual life of the key component and dynamically adjusts parameters according to a maintenance strategy and real-time monitoring data. Therefore, the problems of single monitoring dimension, disjunction of maintenance strategies and the like in the prior art are solved.

The invention discloses a control method and system of a servo press, and relates to the field of press control, a force displacement curve is obtained in real time from a current punching period, a key feature vector of the force displacement curve is extracted, the key feature vector is compared with an ideal golden feature vector, and a multi-dimensional deviation vector is obtained. Particularly, a deviation decoupling method based on morphological analysis is introduced, and the total deviation can be accurately decomposed into a thermal drift compensation amount caused by the thermal effect of equipment and a material characteristic compensation coefficient caused by plate performance fluctuation by analyzing translation and zooming differences of a current curve and a gold curve in form. Therefore, independent and accurate compensation can be carried out for a physical source, the problems of information aliasing and compensation failure caused by the fact that disturbance sources cannot be distinguished in the prior art are effectively solved, intelligent and feed-forward type cooperative compensation for the next stamping period is achieved, and long-term stability and high precision of the production process are ensured.

Stator assembling equipment comprises a stator feeding device and a machine shell feeding device, and the stator feeding device comprises a stator translation mechanism arranged on a base and a stator lifting mechanism arranged above a press fitting station; the machine shell feeding device comprises a machine shell conveying mechanism and a machine shell heating mechanism. The stator lifting mechanism comprises a servo press fixed on the rack and a first mounting plate fixedly connected with the servo press; a stator pressing rod and a stator clamping jaw assembly are arranged at the bottom of the first mounting plate; the stator clamping jaw assembly controls grabbing and loosening of the stator, and the stator pressing rod maintains pressure on the stator. According to the utility model, the automatic assembly of the stator hot jacket is realized, and the assembly efficiency is greatly improved.

The invention relates to the technical field of digital twinning, in particular to a digital twinning monitoring system for a precision servo press production line, which comprises a physical production line module, an edge calculation module, a cloud digital twinning module and a visual monitoring module, wherein the physical production line module is used for monitoring and collecting production line data in real time; the edge calculation module preprocesses and analyzes the collected original data, judges product defects, equipment faults and employee abnormal states in real time to trigger edge early warning, and outputs a multi-dimensional data set; the cloud digital twinborn module is used for constructing a digital twinborn body, establishing a real-time coupling simulation model fusing electromagnetism, heat, force and sound to simulate the internal physical process of equipment in real time, predicting the performance change and potential fault of the equipment, positioning the fault root cause and predicting the residual life; and the visual monitoring module is used for carrying out multi-dimensional visual presentation and providing decision support. Therefore, the problems of insufficient production line staff monitoring, single physical field monitoring, lack of fault predictability and the like are solved.

The invention provides a servo press control system and method based on a time-sensitive network, and relates to the technical field of intelligent manufacturing and industrial automation control, and the system comprises a time-sensitive network TSN which is used for providing global time synchronization and deterministic data transmission; a main controller of the multi-axis servo control unit is used for issuing a motion control instruction and a feeding and discharging control instruction through a TSN. A robot controller in the robot feeding and discharging unit is used for driving an industrial robot to execute plate taking and placing operation under the action of the feeding and discharging control instruction. The visual monitoring unit comprises an industrial camera accessed to the TSN and is used for collecting images and transmitting image data to the edge computing node through the TSN; the edge computing node is used for processing the image data to generate a compensation instruction and feeding back the compensation instruction through the TSN; and the upper monitoring system is used for subscribing real-time data published by the edge computing nodes, so that the control range of the servo pressure control system is expanded, and the convenience of data transmission and interaction is improved.

The invention relates to an assembling and shaping device for multiple rows of battery modules, which comprises a main body machine table frame, a plurality of battery modules and a plurality of battery modules, the tray transverse moving and pulling conveying mechanism is installed on the main machine table frame and used for transferring the trays from the conveying line to a machining station; the width clamping reference positioning mechanism is mounted on the side, away from the tray inlet, of the machining station; the Y-direction combined servo pressing lifting mechanism is mounted on the side, close to the tray inlet, of the machining station; the tray unlocking mechanism is mounted on the main body machine table frame and is used for unlocking the length limit of the tray to the battery module; the X-direction servo pressing mechanism and the X-direction tray reacting force wedge-shaped positioning mechanism are installed on the two sides of the X direction of the machining station respectively, and the X direction is perpendicular to the Y direction; and the pole pressing and lifting mechanism is mounted on the main machine table frame, is arranged above the processing station, and is used for pressing and centering the battery module. And the components work cooperatively, so that the production efficiency is improved, and the high reliability of the battery module is ensured.

The invention discloses a bicycle center shaft press-fitting machining system based on machine vision positioning. The bicycle center shaft press-fitting machining system comprises a servo press-fitting module, a data acquisition module, a data processing module, a machine vision positioning module, a press-fitting control module, a quality detection module and a data management module. According to the system, image data and assembly quality data are acquired through data, and initial coordinates of mounting holes are extracted through median filtering, Canny edge detection and Hough circle transformation; further adopting an RANSAC algorithm to fit the cylindrical surface of the inner wall of the five-way pipe, accurately calculating a center point space coordinate and an axis direction vector, and converting the center point space coordinate and the axis direction vector to a press-fitting coordinate system through hand-eye calibration; the press-fitting process is dynamically regulated and controlled in three stages of pre-pressing, main pressing and final pressing, the press-fitting speed is dynamically regulated, and meanwhile, online judgment of the assembly quality is achieved through displacement-pressure curve analysis; according to the system, the problem of bearing abrasion caused by alignment deviation of a traditional press-fitting central axis is solved, and the press-fitting precision and the yield are improved.

The invention relates to an automatic press-fitting system for a rotor and a spline shaft, which is characterized in that a laser sensor is used for detecting the reflected light intensity difference of a tooth crest and a tooth groove, and a PLC (Programmable Logic Controller) calculates the angular deviation of the spline shaft in real time based on a difference signal and generates a rotation instruction; after receiving the instruction, the servo motor drives the spline shaft to adjust at a certain increment angle; the suction cup tool sucks the rotor end face through a vacuum suction cup and moves to the position coaxial with the spline shaft; and the servo press drives the rotor to press with constant pressure, the PLC synchronously analyzes the press-in force and displacement, when the displacement reaches a preset range, it is judged that meshing succeeds, and when the displacement does not reach the preset range, it is judged that tooth crest interference occurs, and a reverse rotation correction process is triggered. The system can realize high-precision angle detection and dynamic correction, improves the one-time success rate of engagement of the spline shaft and the rotor, is suitable for precision assembly scenes such as a new energy automobile electric drive system and an industrial speed reducer, effectively reduces the manual intervention cost, and improves the production takt time stability.

The invention relates to the technical field of motor servo control, and discloses a dual-motor servo press energy efficiency optimization method based on edge calculation. According to the method, operation parameters of a main driving motor and an auxiliary motor are collected in real time through edge calculation nodes deployed on a dual-motor servo press body; dynamically constructing a dual-motor cooperative load state matrix based on the operation parameters, and calculating a real-time comprehensive energy efficiency index by using an energy efficiency evaluation model in an edge calculation node; according to a deviation value between the index and a target energy efficiency threshold value, determining a dynamic energy efficiency adjustment parameter of the double motors; sending an instruction to the controller by the edge computing node, and synchronously updating a power distribution strategy; and monitoring and feedback adjustment are executed circularly until the dual-motor cooperative load state reaches a preset energy efficiency stable interval. According to the method, real-time monitoring and dynamic optimization of the dual-motor cooperative operation state are realized, and the energy efficiency stability of equipment operation is improved.

The invention discloses a control system and method of an intelligent servo press, relates to the technical field of press control, and constructs a uniform stamping state representation through deep excavation and fusion of force and displacement process data streams generated in the servo press. On the basis, a double-time-scale implicit state estimation algorithm is introduced, time sequence modeling and deep analysis are carried out on weak and gradual change characteristics contained in a full-stroke force displacement curve, and therefore accurate quantitative evaluation of the implicit state of mold abrasion is achieved. Then, the quantized wear value serves as a core decision factor, a self-adaptive control mechanism based on a compensation knowledge base is driven, and an optimal process compensation strategy and a sliding block target track are dynamically generated. Therefore, the product quality consistency in the precise stamping process can be improved, the service life of the die is effectively prolonged, the production cost is reduced, and the intelligent level of stamping production is comprehensively improved.

The invention relates to magnetic ring pressing equipment and a pressing method.The magnetic ring pressing equipment comprises a feeding translation mechanism, a raw material weighing and feeding mechanism, a centrifugal stirring mechanism, a cup cover tightening mechanism, a vacuumizing mechanism, a granulation mechanism, a magnetic ring pressing mechanism, a servo press mechanism and a baking mechanism which are sequentially arranged, and further comprises a first transfer robot and a second transfer robot; a first transfer platform and a second transfer platform are arranged between the first transfer robot and the second transfer robot, a first cup body grabbing tool is arranged on the first transfer robot, and a magnetic ring grabbing tool, a granulation extrusion tool and a second cup body grabbing tool are arranged on the second transfer robot; and the granulation extrusion tool of the second transfer robot is matched with the primary granulation tool and the secondary granulation tool to perform primary granulation and secondary granulation. The first carrying robot and the second carrying robot are used for carrying work, and automatic pressing of the magnetic ring is conveniently and rapidly achieved.

The utility model discloses a stator copper wire press-in shaping device, which comprises a bottom frame and a fixing frame arranged on the upper side surface of the bottom frame, and is characterized in that a shaping assembly capable of shaping a copper wire at the lower end of an iron core is arranged on the upper side surface of the bottom frame, the shaping assembly can move back and forth on the bottom frame, and the iron core is positioned on the upper side surface of the shaping assembly. A bearing assembly for bearing and fixing the crown end of the iron core and a press-in assembly for pressing a copper wire at the upper end of the iron core into the iron core are arranged in the fixing frame, the press-in assembly is located above the bearing assembly, and a servo press for pushing the press-in assembly to move up and down is arranged on the upper side face of the fixing frame; the stator copper wire shaping device has the advantages of shaping the stator copper wire and facilitating welding.

The invention provides a bottom dead center position self-adjustment control method and system for servo stamping equipment, and the method employs a double-speed cooperation architecture of a field programmable gate array (FPGA) and a micro control unit (MCU): the FPGA carries out the high-frequency collection and preprocessing of position, direction, current, temperature, vibration and acceleration signals in a bottom dead center core region, and transmits the signals to the MCU at a low time delay; the MCU executes bottom dead center reference calibration and transmission chain back clearance recognition, constructs a comprehensive error in combination with Kalman filtering state estimation, solves the compensation amount in a rolling mode based on model predictive control (MPC), and writes the compensation amount into a servo driver fine adjustment motion curve through a bus in cooperation with dynamic dead zone control, so that the position of a bottom dead center is stably converged for a long time, and the stamping precision and consistency are improved.

The utility model discloses an EPS motor spiral armature lamination pressing device based on a servo press, and relates to the lamination device field, the EPS motor spiral armature lamination pressing device comprises a base plate, the upper surface of the base plate is symmetrically provided with a fixed seat and a movable seat, the fixed seat is fixedly connected with the base plate, the side wall of the fixed seat is fixedly provided with an air cylinder, and the movable seat is fixedly connected with the air cylinder. The moving end of the air cylinder is fixedly connected with the side wall of the moving base. A first armature positioning clamp and a second armature positioning clamp are fixedly embedded in the opposite sides of the fixed seat and the movable seat respectively, an armature pressing head is fixedly arranged at the top of the first armature positioning clamp, a shaft penetrating hole is formed in the middle of the armature pressing head, and a positioning cutter is arranged in the first armature positioning clamp. According to the utility model, the armature lamination is clamped and positioned by adopting a positioning and clamping mode, the device is suitable for punching sheets with different thicknesses, the practicability is relatively high, the lamination operation is completed by matching with a servo press, and the cost is relatively low.

A press head structure for press fitting of position magnetic steel of a motor and a press fitting method belong to the technical field of servo press fitting, the press fitting structure comprises a rack, the bottom and the top of the rack are respectively provided with a motor and a press head, the position magnetic steel is placed on the motor through an auxiliary sleeve, and the press head is of a T-shaped structure made of non-magnetic materials. The side wall of the pressing head is connected with a proximity switch with the adjustable height, the pressing head is sleeved with a three-jaw sliding sleeve, the pressing head is further connected with a check block, the pressing head is driven by a servo electric cylinder to move up and down, and the servo electric cylinder is connected with a grating displacement sensor. The press-fitting method comprises the following four steps: mounting and centering the motor and the position magnetic steel, debugging the position of the proximity switch, carrying out press-fitting debugging, determining the pressing displacement S when the distance between the position magnetic steel and the positioning reference surface is h, and carrying out press-fitting. According to the press fitting device, the press fitting consistency and the press fitting precision of products can be guaranteed, the production takt and the production efficiency are effectively improved, and the working intensity of workers is relieved.

The present invention relates to the field of mechanical manufacturing technology, and in particular to a nut servo pressing depth control system and a control method, comprising the following steps: S1, workpiece detection: acquiring characteristic data of the workpiece; S2, parameter setting: setting initial parameters of a servo motor; S3, pressing force path optimization: generating an optimal pressing force path through a pressing force path prediction model; S4, servo pressing control: performing a nut pressing operation according to the optimized pressing force path; S5, pressing depth detection and correction: checking the verticality and position of the nut; S6, learning feedback: collecting the verticality and position of the nut after fine-tuning and correction in real time, and continuously optimizing the pressing force path and the pressing operation; the present invention improves the accuracy and adaptability of the pressing force path prediction, significantly improves the controllability of the pressing process, and meets the demand for high-precision assembly of complex workpieces.

The invention discloses a servo riveting system and method, and the system comprises an equipment rack which is used for supporting and installing all parts; the servo tool mechanism is installed at the position close to the lower portion of the equipment rack, carries the press-fitting piece and moves the press-fitting piece to a preset press-fitting position and moves the press-fitting piece away from the press-fitting position; the servo pressing machine is installed at the position, close to the upper portion relative to the servo tool mechanism, of the equipment rack and matched with the servo tool mechanism to conduct riveting operation on the press-fitting piece; the visual camera mechanism is arranged at the position, which does not hinder the movement of the servo tool mechanism and the servo press, of the equipment rack, the visual range of the position covers the movement range of the press-fitting part, and the camera engineering displacement of the press-fitting position of the press-fitting part relative to the reference point is detected; and the control mechanism is mounted at a position, which does not interfere with the movement of the servo tool mechanism and the servo press, of the equipment rack, is connected with the servo tool mechanism and the servo press to control the movement of the servo tool mechanism and the servo press and the riveting operation of a press fitting piece, and corrects the deviation of the movement amount of the servo tool mechanism based on the engineering displacement amount of the camera.

The utility model relates to a tooth aligning device, and provides an automatic spline shaft and gear hot charging tooth aligning device in order to solve the problems that an existing tooth aligning mode is low in assembling efficiency, high in operation risk and insufficient in tooth aligning precision. The device comprises an automatic material taking and transferring mechanism and a servo press system, wherein the servo press system comprises a mounting frame, and a spline shaft positioning mechanism and a gear press-fitting mechanism which are arranged on the mounting frame; the automatic material taking and transferring mechanism comprises a robot mounting plate, a robot with one end fixedly arranged on the robot mounting plate and a robot clamping jaw assembly arranged at the other end of the robot. The robot clamping jaw assembly comprises a gear taking clamping jaw, a gear feeding clamping jaw, a spline shaft taking clamping jaw and a spline shaft rotating clamping jaw. The spline shaft positioning mechanism comprises a bottom plate, and a positioning seat and a guide sleeve which are arranged on the bottom plate; the gear press-fitting mechanism comprises a servo electric cylinder, a connecting support connected with one end of the servo electric cylinder and a press-fitting device connected with the other end of the connecting support.

The utility model discloses a high-precision servo press with good positioning effect, which belongs to the technical field of servo presses, and comprises a box body, a stamping component is arranged in the box body, the stamping component comprises a servo motor, a moving plate and two groups of clamping plates, the top of the servo motor is fixedly mounted on the inner wall of the top of the box body, and the moving plate is fixedly mounted on the inner wall of the top of the box body. A screw rod is fixedly mounted at the output end of the servo motor, a sleeve is in threaded connection with the outer side of the screw rod, a pressing block is fixedly mounted at the bottom end of the sleeve, the moving plate is slidably mounted on the outer side of the sleeve, supporting rods are fixedly mounted on the two sides of the top of the pressing block, and fixing plates are fixedly mounted on the tops of the two supporting rods; springs are fixedly installed at the bottom ends of the two sets of fixing plates, the other ends of the two sets of springs are fixedly installed at the top of the movable plate, the pressing block is pressed downwards to drive the clamp to clamp a workpiece, the better positioning effect can be achieved in the press fitting process of the high-precision servo press, and the production efficiency and the product quality are improved.

The invention discloses a double-drive servo press. The double-drive servo press comprises a rack, an upper punching device, a lower punching device, a feeding device and a die core. The upper punching device comprises two sets of driving mechanisms and an upper punching assembly, and the two sets of driving mechanisms are fixed to the top end of the rack and arranged in the X-axis direction. The lower punching device is composed of three stacked lower punching mechanisms, each mechanism is provided with a lower punching plate and two sets of driving mechanisms, the driving mechanisms are all arranged at the bottom of the rack, the lower punching plates of the three lower punching mechanisms are stacked in the Z-axis direction and connected to the two corresponding sets of driving mechanisms respectively, and the mold core is located in the center of the bottom of the rack and penetrates through the lower punching plates. The feeding device is installed on the side wall of the rack, and the feeding end of the feeding device is located on the upper surface of the third lower punching plate. The upper mechanism and the three sets of lower punching mechanisms are each provided with a dual-drive mechanism, the pressure range and synchronism of the press are improved, and meanwhile the size is reduced.

The invention discloses a communication conversion module for connecting a field bus master station and a servo press controller, and belongs to the field of electronic data processing.The servo press controller is used for receiving instructions of a CPU to control a servo press and collecting data of the servo press; the network chip is used for receiving data of the servo press controller and transmitting the data to the CPU; the CPU is used for carrying out communication conversion after communication sequencing and transmitting the data to the field bus communication chip; the communication module is used for transmitting the control data processed by the CPU to a PLC main station; the PLC master station is used for outputting a PLC control instruction according to the obtained control data, performing data conversion by configuring interface parameters of communication interfaces, and being capable of assisting two devices with different communication interfaces to communicate; and meanwhile, communication sorting is added, so that the data transmission rates of different communication interfaces can be matched, and the applicability of the communication system is improved.

The invention discloses a method for controlling synchronous operation of multiple servo presses, belongs to the field of electronic data processing, discards the scheme that one press controller of the existing servo presses on the market controls one press, and uses a single press controller to control multiple servo presses. Unstable time delay caused when a user PLC needs to send instructions to a plurality of press controllers is avoided, and errors among pressure, displacement, time and speed relations received by all parts are greatly reduced in the press fitting process. Meanwhile, due to the fact that the number of the press controllers is reduced, the production cost of the servo press is reduced, the competitiveness of products in the market is improved, and the communication time between the press controllers and the servo drivers can be controlled to be within 0.5 ms. The synchronous press-fitting system controls the press machines and controls the total period of data transmission within 3ms, that is, the synchronous time difference between the servo press machines is 3ms.

The utility model discloses servo press-fitting equipment with pressure and displacement feedback, which comprises a rack, a deck plate is arranged on the rack, a lower base plate is arranged on the deck plate, a fixing seat is arranged on the lower base plate, a guide column is arranged on the fixing seat, an electric cylinder fixing plate is arranged at the end part of the guide column, a servo electric cylinder is arranged on the electric cylinder fixing plate, and a servo motor is arranged on the servo electric cylinder. One end of the servo electric cylinder is connected with the upper pressing plate, the upper pressing rod is movably arranged on the guide column, and the upper pressing plate is further provided with a pressure sensor. A servo electric cylinder is used, a pressure sensor is arranged, a displacement ruler is reduced, pressure and displacement curves can be displayed, displacement can be accurately set, the riveting precision is improved, the electrical design is simplified, the design cost is reduced, and the production efficiency is improved. And in addition, the press-fit limiting position can be adjusted according to the height size of the part, and the press-riveting requirements of different parts are met.

The present disclosure provides a fine detection device and method for crack initiation and propagation of a rock specimen during loading process. The device comprises an organic glass skeleton, a plurality of sensor support skeletons, a multi-parameter dynamic acquisition system, a servo press bearing platform and a computer, wherein the organic glass skeleton is placed in the middle of the servo press bearing platform, the sensor support skeletons are arranged inside the organic glass skeleton, the rock specimen is arranged inside the sensor support skeleton, the multi-parameter dynamic acquisition system is fixedly arranged on the sensor support skeleton, the multi-parameter dynamic acquisition system is in contact with the rock specimen, and the multi-parameter dynamic acquisition system and the servo press bearing platform are electrically connected to the computer.

The parallel-connection multi-sliding-block servo press comprises a machine body frame, a working table plate is arranged on the lower side in the machine body frame, a first servo motor is arranged on one side of the machine body frame, a second servo motor is arranged on the other side of the machine body frame, the first servo motor controls an outer sliding block to move independently through an outer driving control system, and the second servo motor controls an inner sliding block to move independently through an outer driving control system. The outer sliding block is arranged in the machine body frame in a sliding mode, the second servo motor controls the inner sliding block to move independently through the inner drive control system, and the inner sliding block is arranged in the outer sliding block in a sliding mode. A parallel connection multi-sliding-block structure is adopted, the multi-sliding-block punching machine can be used for punching blanking and a cup punching special composite technology of shallow stretching, can also be used for a common single punching technology, and aims at achieving the purposes that one machine has multiple functions, the machining efficiency is improved, the machining cost is reduced, and the machining efficiency is improved. The device has the characteristics of compact structure, environmental protection, safety and high efficiency.

The utility model discloses appearance detection equipment for a motor stator, which comprises a frame, a measuring tool arranged on the frame and a testing assembly arranged on the frame, and the testing assembly is slidably connected to the frame through a servo press and can move up and down along the height direction of the frame. The testing device is used for testing a stator placed on the measuring tool. The testing assembly comprises a testing support detachably connected to the servo press, the testing support is elastically provided with an inner diameter go gauge, and when the servo press drives the inner diameter go gauge located on the testing support to move towards the stator, the inner diameter go gauge has two states relative to the stator, marking that the inner diameter of the stator meets the standard; the inner diameter go gauge abuts against the upper end face of the stator and indicates that the inner diameter of the stator does not meet the standard.

The utility model discloses a clutch servo press-fitting machine, which relates to the technical field of clutch production and comprises an equipment rack, a counter-force supporting mechanism, a holding and clamping centering mechanism, a servo press-fitting driving mechanism and a press-fitting mechanism, the counter-force supporting mechanism and the holding and clamping centering mechanism are mounted in the equipment rack, and the servo press-fitting driving mechanism is mounted in the equipment rack. The servo press-fitting driving mechanism is installed on the top of the equipment rack, and the press-fitting mechanism is installed at the telescopic end of the servo press-fitting driving mechanism. According to the clutch servo press-fitting machine, the press-fitting mechanism is provided with a plurality of press-fitting heads of different specifications, that is, when bearings of different specifications need to be press-fitted on a shaft body of a clutch, only the press-fitting heads of the corresponding specifications need to be called, and it is not needed that in the prior art, when the specifications of the bearings are replaced, the press-fitting heads of the corresponding specifications need to be called; and the press-fitting head needs to be replaced and adjusted in the prior art, so that the operation complexity is reduced, the production efficiency is improved, and the shutdown frequency is reduced.

The invention relates to a closed type double-point multi-connecting-rod servo press which comprises a press body, a transmission box, a lead screw, a lower bearing, a lower supporting sleeve, a nut and a driving sliding block. A servo motor is arranged at the upper end of the transmission box; the upper end of the screw rod is connected with the servo motor through a cylindrical pin; an upper lubricating end cover is arranged at the upper end of the driving sliding block, a lower lubricating end cover is arranged at the lower end of the driving sliding block, sealing felt is arranged at the upper end of the upper lubricating end cover, and the driving sliding block, the upper lubricating end cover and the sealing felt are matched to form an upper lubricating cavity. The lower lubricating end cover is connected with a telescopic sleeve arranged on the bottom plate, the driving sliding block, the lower lubricating end cover, the telescopic sleeve and the bottom plate are matched to form a lower lubricating cavity, a circulating oil way is arranged between the upper lubricating cavity and the lower lubricating cavity, lubricating oil in the lower lubricating cavity is conveyed into the upper lubricating cavity through the circulating oil way, and the circulating oil way passes through the lower bearing and is communicated with the lower lubricating cavity. Lubricating oil in the circulating oil way lubricates the lower bearing. The invention has the advantages of reasonable structural design, closed lubrication, good lubrication effect, high transmission precision and the like.

The invention provides a flow battery assembly line and an assembly method thereof, and the flow battery assembly line comprises a logistics line, a bottom installation unit, a first stacking unit, a second stacking unit, a screw rod installation unit, a servo pressing unit, a galvanic pile height inspection unit, a galvanic pile overturning unit, a finished product discharging unit and a production line safety fence, a bottom mounting unit, a first stacking unit, a second stacking unit, a screw mounting unit, a servo pressing unit, an electric pile height checking unit, an electric pile overturning unit and a finished product discharging unit are arranged on one side of the logistics line, and production line safety fences are arranged around the logistics line and all the units. Compared with the prior art, the assembly line type high-automation flow battery assembly line has the beneficial effects that unmanned mechanical assembly is realized in all the other assembly and transportation steps except for installation of bottom fasteners and maintenance and adjustment of unqualified products, and two groups of stacking units are arranged in a long-time stacking assembly link, so that the assembly efficiency is high.

The utility model relates to a multifunctional positive and negative stacking device for a hydrogen fuel cell stack core, which comprises a base, a rotary press-fitting component, a tooling module, a motor component and bearing seats, the rotary press-fitting component is mounted on the base by matching with the two bearing seats, the motor component is fixed on the base, and the tooling module is mounted on the base. The motor assembly drives the rotary press-fitting assembly to rotate clockwise, the rotary press-fitting assembly is supported on the base to rotate, and the tool module and the rotary press-fitting assembly are locked through a pin and a bolt. The multifunctional positive and negative stacking device for the hydrogen fuel cell stack core has the full-stroke pressing capacity, and the servo press is matched with the pressure sensor to achieve closed-loop control. And a press fitting force curve is monitored in real time, overturning is conducted within the range of 0-180 degrees, and a human-computer interface is friendly. According to the utility model, the positive and negative assembling of the fuel cell stack core can be realized, the assembling and rapid dismounting of the fuel cell stack core can be realized, and the air tightness detection can be compatible.