511 results about "Work quality" patented technology

The utility model relates to the technical field of carrier roller shaft clamping tools, and discloses a quick-assembly and quick-disassembly carrier roller shaft clamping tool which comprises a base, a fixing plate is fixedly connected to the interior of the base, a motor is fixedly connected to the bottom of the fixing plate, the output end of the motor is fixedly connected with a driving wheel, and the output end of the driving wheel is fixedly connected with a transmission shaft. The outer wall of the driving wheel is rotatably connected to the interior of the fixing plate, a double-face gear ring is rotatably connected to the interior of the fixing plate, the driving wheel is meshed with the double-face gear ring, a driven wheel is rotatably connected to the interior of the fixing plate, the double-face gear ring is meshed with the driven wheel, and a straight rack is slidably connected to the interior of the fixing plate. According to the three-jaw self-centering chuck, firstly, the motor drives the driving wheel to rotate in the fixing plate, the problem that the positioning center difference of the three-jaw self-centering chuck influences the machining quality of a workpiece is solved, accurate positioning of the workpiece is achieved, it is guaranteed that the workpiece is kept at the correct position in the machining process, and therefore the machining precision and the working quality are improved.

The invention relates to the field of variable-diameter rod machining, and discloses end opening deburring equipment for an automobile variable-diameter rod, the end opening deburring equipment comprises a bottom plate, a vertical plate, a grinding block and a grinding rod, a first feeding structure is arranged on the portion, close to the middle, of the bottom plate, and the vertical plate is installed on the portion, located in the middle of the left side of a conveying structure, of the bottom plate; in the process that the lifting structure drives the rotating grinding rod and the grinding block to rotate and grind, after the grinding rod and the grinding block integrally move downwards to grind the end opening of the variable-diameter rod, the grinding rod and the grinding block can be automatically driven to integrally turn over by a half circle; a lifting structure is matched to drive a grinding rod and a grinding block to move upwards to grind the end opening of the variable-diameter rod, so that the grinding rod can deburr the inner wall of the end opening, the rotating grinding block can deburr the edges of the upper end and the lower end of the end opening, the end opening of the variable-diameter rod can be deburred more thoroughly, and the working quality is improved; and meanwhile, the operation is more labor-saving and convenient.

The invention relates to the technical field of data processing, and discloses a port special article quick retrieval method and system based on data processing, and aims at complexity of modal features of special articles by collecting characterization information such as images and characters of the special articles. An image and object information unified characterization technology, a similarity measurement method and a feature association technology are applied, a retrieval model for biosecurity risk monitoring is established by utilizing an industry knowledge graph, non-trade individual carrying and delivery channel biosecurity target feature matching is realized, multi-language special article high-risk factors are identified, and a high-risk result is obtained. The accuracy of biological safety supervision risk study and judgment of special articles carried by non-trade individuals and posting and delivering channels and the working efficiency and the working quality of tour inspection channels and posting and delivering channel business sites are improved; the supervision situation that existing biological safety risk monitoring of special objects carried by non-trade individuals and special objects carried by delivery channels basically depends on personal experience and ability of experts to judge and make decisions is optimized.

The invention discloses a pipeline welding machine, belongs to the technical field of pipeline machining, and solves the problem that the position of a pipeline needs to be manually adjusted when an existing pipeline welding machine is used, the pipeline welding machine comprises a connecting shell, an upper rotating ring, a welding machine body and a lower shell, and the upper rotating ring is rotationally installed at the top end of the connecting shell. The positioning mechanism is arranged, two sets of telescopic air cylinders controlled separately are matched with a sealing plate and a sealing block, a to-be-welded pipeline is rapidly positioned and calibrated, it is guaranteed that the welding part of the pipeline is located in the working area of the welding machine body, argon is input into the pipeline through the sealing block subsequently, and the welding efficiency is improved. And an air outlet column is arranged on the side face of the sealing plate, the air pressure inside and outside the pipeline is balanced, the whole welding machine is assisted in stably welding and machining the pipeline, and the overall working quality of the equipment is improved.

The invention discloses an intelligent man-hour management method and device based on multi-source data, relates to the technical field of man-hour management, and mainly aims to realize quantitative association of man-hour data and working quality through multi-source data fusion and provide intelligent decision support for cost-reducing and efficiency-increasing refined man-hour management of enterprises. According to the main technical scheme, the method comprises the steps that a man-hour filling request is received and analyzed, and a target object and a statistical period are obtained; acquiring original man-hour data of the target object in the statistical period from the multi-source heterogeneous data source platform; inputting the original man-hour data into a preset man-hour filling model to obtain a man-hour distribution list, the man-hour distribution list comprising accumulated man-hours, task details and task priorities, and the task details comprising work places and task states; according to the man-hour distribution list, calculating an efficiency value and a post adaptation degree of the target object in the statistical period to obtain post quality data; and generating a man-hour report based on the man-hour distribution list and the post quality data.

The present invention belongs to the field of grinding technology, specifically, a mold accessory grinding device, including a bearing part, a grinding mechanism, a control mechanism and a clamping mechanism, the bearing part includes a bearing platform, a support box and an installation box, the support box and the installation box are both arranged on the upper end surface of the bearing platform, the grinding mechanism includes a fixed frame, a movable frame and a grinding strip, one end of the grinding strip is rotatably connected to the fixed frame, the outer wall of the grinding strip is provided with a waist-shaped groove, the upper end of the movable frame is slidably matched with the waist-shaped groove through a pin shaft, the control mechanism includes a mounting cylinder arranged on one side of the support box, a pressing cylinder for pressing the movable frame and a control cylinder for controlling the pressing cylinder, the movable frame is slidably mounted on the outer wall of the mounting cylinder, and the fixed frame is fixedly mounted on the outer wall of the mounting cylinder; through the above-mentioned structural coordination, when in use, it can adapt to the use of conical inner wall workpieces with different inclination angles, and keep in contact with the inner wall of the workpiece during grinding, thereby improving the adaptability range and the work quality.

The utility model relates to the technical field of surface polishing equipment, in particular to conductive tube outer circle polishing equipment. The equipment comprises a base, a movable operation platform and a transverse supporting frame are arranged on the base in the longitudinal direction at intervals, the movable operation platform is arranged on the base in a sliding mode in the transverse direction, a plurality of supporting idler wheels are arranged on the transverse supporting frame in the transverse direction at intervals, and a conductive tube to be thrown is arranged on the supporting idler wheels in a supporting mode. The driving mechanism is used for driving the to-be-polished conductive tube to rotate, a polishing assembly is arranged on the movable operation platform, and the polishing assembly comprises a polishing piece and a moving mechanism for driving the polishing piece to move to the to-be-polished conductive tube. The driving mechanism is used for driving the to-be-polished conductive tube to rotate, the moving mechanism is used for driving the polishing piece to the surface of the to-be-polished conductive tube for polishing treatment, the moving operation platform is used for driving the polishing assembly to move in the transverse direction, polishing of the whole to-be-polished conductive tube is achieved, the working intensity is reduced, and the operation quality is guaranteed.

The utility model discloses an intelligent welding press-fitting workstation which comprises a workbench, a groove is formed in the workbench, a bottom beam assembly is arranged in the groove, a lifting track assembly is arranged above the bottom beam assembly, a press machine is arranged above the lifting track assembly, and the press machine is installed above the lifting track assembly through a first supporting beam and a top beam assembly. The telescopic end of the press is vertically downward and connected with a pressing disc through a connecting assembly, the bottom of the telescopic end of the press is a spherical surface, an arc-shaped groove is formed in the center of the top face of the pressing disc, and the bottom of the telescopic end of the press abuts against the interior of the arc-shaped groove. The device is easy to operate, labor is reduced, the spherical stainless steel is firmly pressed on the workpiece through the press machine and the pressing disc, the pressing disc can be completely attached to the plane inclination of the top of the spherical stainless steel, the situation that the spherical surface of the bottom face of the spherical stainless steel is not attached to the workpiece, and consequently the edge seam welding quality is poor in the welding process is avoided, and the working quality is greatly improved.

The invention relates to the technical field of plastic pipe machining, in particular to plastic pipe surface grinding equipment. Comprising a polishing table, a lower feeding unit is arranged at the top of the polishing table, and a polishing unit is arranged at the output end of the lower feeding unit; the grinding unit comprises a grinding outer ring, a middle through groove is formed in the center of the grinding outer ring, and a crescent fixed plate is arranged on one side wall of the middle through groove; a second electric push rod is arranged on the inner wall of the side, away from the crescent fixed plate, of the polishing outer ring, and the output end of the second electric push rod extends into the middle through groove. The groups of grinding sand balls are arranged at equal intervals along a spiral path, and when a pipe is in rolling friction with the groups of grinding sand balls in a moving and autorotation state, traditional spiral grinding traces can be offset. And each group of polishing sand balls are simultaneously contacted with the pipe from different directions around, so that polishing dead angles are avoided, and the working quality is ensured while the polishing effect is improved.

The invention belongs to the technical field of labor tool management, and particularly relates to a multifunctional labor tool operation management system, which comprises an acquisition module, a PCBA (Printed Circuit Board Assembly) module, a wear detection module, a service life prediction module and a work quality analysis module, according to the invention, authority management is carried out through the RFID card reading unit, in-place and integrity detection is carried out on the labor tool by using the micro contact switch and the electric conduction contact reed, the state of the labor tool is monitored through the Internet of Things detection unit, and data transmission is realized through wireless communication, so that safe use and management of the labor tool are ensured; by configuring the wireless data transmission unit, the working state and the state of the labor tool are displayed in real time, the intuition and the effectiveness of management are further improved, the use permission, the in-place state and the integrity of the labor tool are effectively managed, and safe use of the labor tool is guaranteed.

Intelligent assistance system for worker guidance and quality control of manual activities at industrial manual workstations. In the manufacturing industry, many production processes are carried out at manual workstations. The high quality standards of modern production require employees to have precise knowledge of the process steps to be performed and maintain a consistently high level of concentration. The assistance system is intended to facilitate work at such manual workstations, improve the quality of work results, and thus increase productivity. The invention guides employees step by step through the production process using output devices and uses sensors to check for error-free execution at each step. If an error occurs, the operator is immediately warned and prompted to correct it.

The invention provides a vehicle assembly process identification method and device, equipment and a medium. The method comprises the following steps: acquiring real-time video data and sensor data of an assembly process; inputting the real-time video data into a trained recognition model to recognize the position of an assembly tool and the position of an assembly part in the real-time video data; on the basis of the position of the assembling tool and the position of the assembling part at the current moment, whether the current specially-assembled part is carried out according to a preset assembling process or not is determined; and based on the position of the assembly tool at the current moment, the position of the assembly part and the sensor data, whether the assembly part which is being assembled is assembled or not is recognized. The operation quality and the overall assembly efficiency can be improved.

To ensure consistency in quality of maintenance work, a maintenance work support system including a work robot for performing maintenance work for each work item includes: a sensor configured to measure a measurement-target part specified for a target work item every time maintenance work for the work item is performed; a processor; and a memory. The processor functions as: a determination unit configured to determine whether or not a measurement result measured by the sensor satisfies a work quality set for the work item; and a control unit configured to, when it is determined that the work quality is not satisfied, control an additional operation for the maintenance work for the work item to be performed until the determination unit determines that the work quality is satisfied.

The invention relates to the technical field of civil air defense door frames, and discloses a civil air defense door frame assembling and welding tool which comprises a workbench, a clamping and assembling mechanism and a welding mechanism, a plurality of table legs are fixedly connected to the periphery of the bottom of the workbench correspondingly, and vertical plates are fixedly connected to the two ends of the top of the workbench correspondingly. The clamping and assembling mechanism comprises a forward and reverse motor fixedly connected to the center of the bottom of the workbench, when a second supporting table is extruded, the second supporting table pushes an extrusion rod, the extrusion rod drives an air pressure plate to move, the air pressure plate extrudes inert gas in a gas box, and the inert gas is conveyed into the gas box; inert gas enters the diffusion hopper through the bent pipe in the gas box, the inert gas is discharged outwards through the diffusion hopper, and the inert gas is diffused through the diffusion hopper, so that the inert gas is sprayed to the welding position of the door frame, and contact between iron in the door frame and oxygen in air is reduced. Therefore, the occurrence of oxidation reaction is reduced, the generation of ferric oxide is reduced, and the working quality of the device is enhanced.

The utility model provides a presplitting blasting drilling inclination measuring device which comprises a protective cylinder, a supporting plate, a rolling wheel and a heavy hammer probe, a plurality of containing grooves are distributed in the upper end and the lower end of the outer cylinder wall of the protective cylinder in the circumferential direction, and meanwhile symmetrical guide grooves are further formed in the upper end and the lower end of the outer cylinder wall of the protective cylinder. The supporting plate is located in the containing groove, one end of the supporting plate is hinged to the groove wall of the containing groove, and the other end of the supporting plate is controlled by a telescopic mechanism to swing towards the interior or the exterior of the containing groove. Under the action of the pile casing, it can be guaranteed that the device does not swing in a drill hole, the problem that the inclination measuring operation cannot be completed due to self-swing is solved, meanwhile, under the action of the pile casing, the inclination measuring probe can be protected against the influence of hole collapse, the testing precision and the working quality are guaranteed, and the working efficiency is improved. Compared with a traditional inclination measuring device, the inclination measuring device has the advantages that the function is stronger, and the using effect is better.

The invention belongs to the technical field of transformer iron core processing, and particularly relates to a cutting device for a transformer iron core silicon steel sheet, which comprises a silicon steel sheet roll, a support frame, a conveying mechanism, a working table, a cutting mechanism, a mounting frame and a blanking mechanism, the two ends of the conveying mechanism are connected with the supporting frame and the workbench respectively, the fixing frame is arranged below the workbench, the placing mechanism is arranged on the fixing frame, the mounting frame is mounted at the top of the workbench, and the shearing mechanism is mounted on the mounting frame and arranged on one side of the center line of the mounting frame. According to the silicon steel sheet stacking device, silicon steel sheets can be sheared, the silicon steel sheets in different shapes can be sheared under the action of the shearing mechanism, the sheared silicon steel sheets can be conveniently placed in the placing mechanism through the arrangement of the conveying belt and the discharging mechanism, and the purpose of stacking the sheared silicon steel sheets is achieved; and the working efficiency and the working quality of the device are greatly improved.

The invention provides a water-turbine generator set rotor maintenance robot, a control system and a control method, the water-turbine generator set rotor maintenance robot comprises a mobile chassis and a lifting device, the lifting device is installed on the mobile chassis, the lifting device drives a multi-axis mechanical arm to perform vertical displacement, an execution end of the multi-axis mechanical arm is provided with an actuator, and the actuator is used for cleaning a generator set; through close fit of the multi-axis mechanical arm and the movable chassis and combination of visual guidance of the depth camera, the robot can accurately position and execute cleaning and spraying tasks, the safety and efficiency of operation are greatly improved, and the consistency and high standard of operation quality are ensured. Meanwhile, due to the integrated equipment design, such as the configuration of the cleaning agent charging barrel, the paint charging barrel and the air compressor, the cleaning medium is convenient to supply, and the operation process is smoother. And due to the application of the intelligent control system, the robot can autonomously receive instructions, analyze tasks and cooperate with all the devices to efficiently complete operation, manual intervention is reduced, and the labor cost is reduced.

The invention relates to project management of construction enterprises, in particular to an engineering project technology management system which is particularly suitable for technical management in project-enterprise integration. The invention aims to standardize technical system management of enterprises, improve working efficiency and settle technical basic data, and provides a system suitable for enterprise-level and project-level construction technical management. According to the engineering project technology management system, the platformization of daily technology management is realized through 19 functional modules of the platform, and each functional module is linked with project-level and enterprise-level approval processes. Firstly, technicians of a project can quickly master standards and requirements of various functions, templates can follow the standards and requirements, and the working efficiency and the working quality are improved; technical management data of the project can be stored in a database, and traceability is high; thirdly, the technical basic data logicality is high, and errors are avoided; 4, project technical data can be shared in real time; and fifthly, the enterprise background can monitor the project in real time.

The invention relates to the technical field of surface polishing equipment, in particular to conductive tube outer circle polishing equipment. The equipment comprises a base, a movable operation platform and a transverse supporting frame are arranged on the base in the longitudinal direction at intervals, the movable operation platform is arranged on the base in a sliding mode in the transverse direction, a plurality of supporting idler wheels are arranged on the transverse supporting frame in the transverse direction at intervals, and a conductive tube to be thrown is arranged on the supporting idler wheels in a supporting mode. The driving mechanism is used for driving the to-be-polished conductive tube to rotate, a polishing assembly is arranged on the movable operation platform, and the polishing assembly comprises a polishing piece and a moving mechanism for driving the polishing piece to move to the to-be-polished conductive tube. The driving mechanism is used for driving the to-be-polished conductive tube to rotate, the moving mechanism is used for driving the polishing piece to the surface of the to-be-polished conductive tube for polishing treatment, the moving operation platform is used for driving the polishing assembly to move in the transverse direction, polishing of the whole to-be-polished conductive tube is achieved, the working intensity is reduced, and the operation quality is guaranteed.

The invention discloses a crew work data standardization analysis system based on a multi-modal model, relates to the technical field of communication monitoring, and solves the problem that the crew work quality is not easy to improve due to the fact that video data volume is large and coverage analysis is difficult to realize. The crew work data standardization analysis system comprises a multi-mode data acquisition layer, a multi-mode data processing layer, a multi-mode fusion analysis layer and an intelligent decision optimization layer. Performing intelligent coverage analysis on the operation standard of each steward by combining all branches of the multi-modal fusion inference model with the multi-modal data of each compartment of the vehicle; the crew work quality of the crew is improved, and the reasoning speed of the multi-modal data is improved.

The invention discloses a glass fiber reinforced plastic profile producing and machining device and method, and relates to the technical field of glass fiber reinforced plastic profile machining. The glass fiber reinforced plastic profile producing and machining device comprises a workbench, supporting legs are symmetrically installed at the bottom of the workbench, vertical plates are symmetrically installed at the top of the workbench, and a conveying belt is arranged on the left side between the two vertical plates; a plurality of rotating rollers are rotationally connected to the right side between the two vertical plates, the cutting assembly is arranged on one sides of the tops of the two vertical plates, and the cutting assembly comprises a fixing frame and a fixing assembly which are arranged on the tops and the bottoms of the two vertical plates and located on one side of the fixing frame; according to the sectional material cutting device, line drawing and cutting work are conducted synchronously, working steps are saved, sectional materials can be continuously cut, whether the line drawing position is aligned with the cutting blade or not is observed before the sectional materials are cut, the cutting precision of the sectional materials can be improved, cutting deviation is avoided, and the working efficiency and the working quality are improved.

The utility model relates to the technical field of glue supply devices, and discloses a mechanical quantifiable glue supply device for a hot melt glue machine. The device comprises a shell, a propelling mechanism is arranged in the device shell, a glue inlet is fixedly connected to the top of the device shell, a glue outlet is fixedly connected to one side of the device shell, a device box is fixedly connected to the bottom of the device shell, a second rotating rod is connected to the interior of the device box, and a glue outlet is fixedly connected to the other side of the device shell. An inner threaded sleeve is rotatably connected to the interior of the equipment box, the second rotating rod is in transmission connection with the inner threaded sleeve, one end of the second rotating rod extends out of the equipment box, a second rotating handle is fixedly connected to one end of the second rotating rod, and a threaded rod is in threaded connection with the interior of the inner threaded sleeve. When the glue spraying device is used, the amount of sprayed glue can be well controlled, the situation that the glue is sprayed too much or too little in the working process is avoided, and the working quality in the working process is improved.

A supercritical carbon dioxide circulating power generation unit working medium recovery system and control method, including a liquid storage tank, CO2 working medium from the liquid storage tank is pressurized by a low-temperature piston booster pump A and enters an evaporator, and a circulating water pump is configured on the water side of the evaporator; CO2 working medium is heated and gasified by the evaporator and enters a buffer tank and a pressure regulating tank in sequence, the output end of the pressure regulating tank is connected to a high-pressure storage tank, the outlet of the high-pressure storage tank is connected to an electric oil heater, the output end of the electric oil heater is connected to the compressor through a compressor dry gas sealing pipeline, and is connected to the turbine through a turbine dry gas sealing pipeline, the compressor is connected to a recovery tank A through a compressor exhaust pipeline, the turbine is connected to a recovery tank B through a turbine exhaust pipeline, and the output ends of the recovery tanks A and B are connected to a liquid storage tank after merging. The present invention can achieve near-zero emissions during the startup and operation of the S-CO2 circulating power generation unit, reduce the economic losses caused by CO2 gas emissions, and effectively prevent safety risks in on-site operations.

The invention provides a simulation analysis method for an on-board movement mechanism. A three-dimensional model of a movement mechanism device is utilized, a movement simulation and analysis module of related software is used, simulation analysis is conducted on a mechanical device of the movement mechanism on the ship by combing the simulation process and steps of the movement mechanism, and therefore the actual device installation and assembly process is mapped through a simulation conclusion, and the movement mechanism device installation and assembly process is optimized. Establishing a motion mechanism model, setting initial positions of main components of the mechanism, defining mechanism analysis, setting analysis conditions, finally performing motion simulation analysis, and performing comprehensive analysis and judgment on the ship motion mechanism. Various problems of the on-board movement mechanism in the mounting, assembling and working operation processes are verified through simulation by means of the three-dimensional model of the movement mechanism, various problems of the on-board movement mechanism in the working process can be solved, risks can be released in advance, and therefore a solid foundation is laid for improvement of the mounting, assembling and operation work quality and efficiency of the movement mechanism.

The utility model relates to the field of coal mine fans, and discloses a hydraulic heightening control mechanism suitable for fan testing, which comprises an air duct, the right surface of the air duct is fixedly connected with a mounting seat, the right surface of the mounting seat is fixedly connected with a support frame, and the lower surface of the support frame penetrates through and is slidably connected with a guide rod. A supporting seat is fixedly connected to the lower surface of the guide rod, a hydraulic cylinder is arranged on the upper surface of the supporting seat, a connecting rod is fixedly connected to the upper surface of the supporting frame, and a supporting assembly is arranged on the front surface of the supporting frame. According to the utility model, through the cooperation of the support frame, the guide rod, the hydraulic cylinder and the support assembly, the height of the air duct can be flexibly adjusted by driving the hydraulic cylinder, and the adjustment precision is high, so that the working efficiency is improved, the accuracy of test data can be ensured, the operation difficulty and the labor cost are reduced, and the overall working quality is improved; and potential safety hazards existing in manual operation are avoided.

The application discloses a power maintenance method and device based on a hybrid dynamic motion primitive. The method comprises the following steps: obtaining a plurality of demonstration trajectories of an equipotential robot; modeling a dynamic motion primitive for each demonstration trajectory to obtain a corresponding initial hybrid dynamic primitive model; evaluating the fluency of the demonstration trajectory according to an evaluation index to determine the model weight of each initial hybrid dynamic primitive model; determining a hybrid dynamic primitive model according to the initial hybrid dynamic primitive model and the model weight; and writing the hybrid dynamic primitive model into the equipotential robot, so that the equipotential robot generates a maintenance trajectory when receiving a power maintenance task; and controlling the equipotential robot to perform a power maintenance operation based on the maintenance trajectory. The application solves the technical problem that the equipotential robot can only learn a single trajectory in the related art, and that the generated trajectory has too many inflection points in the process of power maintenance, which causes the swing of a boom truck, low maintenance efficiency and poor work quality.

The utility model relates to the technical field of aluminum profile processing equipment, in particular to an aluminum profile grinding processing device which comprises a line body, the telescopic end of an electric telescopic rod is fixedly connected with a grinding wheel disc, a first box body is rotationally connected with two studs through bearings, handles are arranged on the outer walls of the two studs, and a second box body is arranged on the outer wall of the first box body. And the surface of the double-end stud is in threaded connection with the nut. According to the aluminum profile dull polish treatment device, through cooperation of the aluminum profile dull polish pushing mechanism and the first box body, the right end of the rod body is stressed to drive the second block body to move leftwards, in this way, workers do not need to frequently move aluminum profiles in the working process, and therefore the labor force of the workers is reduced; and meanwhile, the telescopic end of the telescopic rod moves leftwards along with the third block body, in this way, the dust suction box collects splashing aluminum profile chippings, and therefore the working quality is improved.

The utility model relates to the technical field of mechanical equipment, in particular to an oil control mechanism for auxiliary oiling of an electric saw chain, which comprises an electric saw body and a first handrail, the left side of the electric saw body is fixedly connected with the first handrail, the upper surface of the electric saw body is fixedly connected with a fixing frame, and the upper surface of the electric saw body is fixedly connected with the fixing frame. An auxiliary oil control device is arranged on the surface of the fixing frame, a first fixing plate is fixedly connected to the lower surface of the electric saw body, an auxiliary protection device is arranged on the surface of the first fixing plate, and through cooperation of the auxiliary protection device and the first fixing plate, the position of a baffle is fixed through a clamping block; according to the electric saw chain oiling device, waste scraps generated in the working process are prevented from injuring operators, the working safety is improved, the auxiliary oil control device is matched with the electric saw body, the operators push the push rod and the push block to control the flow of oil in the barrel, waste caused by excessive oiling on the surface of an electric saw chain is avoided, and the working quality is improved.

The utility model relates to the technical field of pipe extrusion, in particular to a pipe extrusion die which comprises a die cylinder, an axis rod is installed at the position, close to the middle, of the inner wall of the bottom end of the die cylinder, four sets of electric push rods are installed at the positions, close to the edge, of the inner wall of the bottom end of the die cylinder, and placing grooves are formed in the four sets of electric push rods. And compression springs are mounted in the placement grooves. Through the arrangement of parts such as an electric push rod, a placement groove, a compression spring, a mounting plate, a connecting rod, a rolling ball, a placement disc, a mounting rod, a limiting ball, a supporting disc, a supporting rod, a jacking plate and an extrusion plate, the problems that when an existing extrusion mold conducts extrusion operation on a pipe, the extrusion plate is prone to shaking during extrusion operation, and the extrusion efficiency is high can be effectively solved. The problems that the normal extrusion operation of the extrusion plate on the pipe is influenced due to the fact that the extrusion plate is arranged on the pipe, and the pipe is deformed during extrusion operation seriously, so that unnecessary material loss is caused, and the working efficiency and the working quality of the extrusion operation are influenced are solved.

The present invention belongs to the technical field of transformer core processing, and particularly relates to a cutting device for silicon steel sheets of transformer core, including a silicon steel sheet roll, a support frame, a conveying mechanism, a workbench, a shearing mechanism, a mounting frame and a feeding mechanism, wherein the support frame is fixedly mounted on one side of the workbench, and the two ends of the conveying mechanism are respectively connected to the support frame and the workbench, a fixing frame is arranged below the workbench, a placing mechanism is arranged on the fixing frame, the mounting frame is mounted on the top of the workbench, a shearing mechanism is mounted on the mounting frame, and the shearing mechanism is arranged on one side of the center line of the mounting frame. The present invention can not only shear silicon steel sheets, but also can shear out silicon steel sheets of different shapes under the action of the shearing mechanism, and the arrangement of the conveyor belt and the feeding mechanism facilitates the placement of the sheared silicon steel sheets in the placing mechanism, so as to achieve the purpose of stacking the sheared silicon steel sheets, and greatly improve the working efficiency and working quality of the device.