133 results about "Machine loading" patented technology

The invention belongs to the technical field of machining equipment feeding, and particularly relates to punch press feeding equipment with an adjusting function, which comprises a material distribution bin and a punching lathe arranged on one side of the material distribution bin, and is characterized in that an outer frame bracket is arranged at the top of the material distribution bin in a sliding manner, a material frame is arranged in the outer frame bracket, and a material guide plate is arranged in the material distribution bin in a sliding manner; a material guiding plate is arranged on the base, a discharging adjusting plate is arranged at the top of the material guiding plate, a material distributing plate is arranged at the top of the discharging adjusting plate, a supporting plate is arranged at the bottom of the material guiding plate, and a mounting block is arranged on one side of the material guiding plate. And through arrangement of structures such as a mounting block and a detection block, the diameter and length of the bar can be detected, so that the stamping quality of the bar is improved, the bar can be cooled through arrangement of a water pipe and a water tank, and workers are prevented from being burnt by generated high temperature.

The invention relates to the technical field of geotechnical engineering, and discloses a wall-attaching type microwave rock crushing method and device suitable for shield tunneling machine loading, and the method comprises the steps: obtaining an image of a surrounding rock tunnel face in real time through image collection equipment, and carrying out the preprocessing; analyzing the preprocessed image of the tunnel face of the surrounding rock, and analyzing the surface state of the surrounding rock by using a computer vision algorithm to obtain the current hardness of the surrounding rock; judging whether a microwave system needs to be started according to the current hardness of the surrounding rock; if the current hardness of the surrounding rock is smaller than the preset threshold value, the pushing system and the microwave system are not started; if the current hardness of the surrounding rock is larger than or equal to the preset threshold value, the control module starts the pushing system to push the microwave system to make contact with the surrounding rock tunnel face; meanwhile, a microwave system is started to heat the surrounding rock; in the working process of the microwave system, the images of the tunnel face of the surrounding rock are continuously obtained and analyzed, the hardness of the surrounding rock is judged according to the image analysis result, and the precision and adaptability of the microwave rock crushing technology can be improved.

The invention discloses an on-machine loading device for a machine tool precision retentivity test and a control method. The on-machine loading device comprises a loading workbench, a mechanical loading device and a control device, the loading workbench is arranged on the numerical control machine tool; the mechanical loading device is installed on the loading workbench and comprises an installation base fixedly connected with the loading workbench, a plurality of identical motion branch chains fixedly connected with the upper surface of the installation base, a top hinge movably connected with the upper ends of the motion branch chains and a loading movable platform fixedly connected with the top end of the top hinge. A machine tool spindle is connected to the middle of the top of the loading movable platform, and a loading movable platform tool is connected between the top hinge and the loading movable platform. According to the invention, three-dimensional force loading can be carried out on different types of numerical control machine tools, specified variable loads are applied to the machine tools while the main shaft rotates, and the control precision of the loading device is improved.

A loading system is constructed to load a hauling machine by a loading machine. The system includes a fiducial marker affixed to the hauling machine. A set of sensors of diverse sensory modalities is deployed on the loading machine that generate respective signals indicative of the fiducial marker in the corresponding sensor modalities. A processor on the loading machine determines a machine orientation in space of the hauling machine through machine perception applied to the signals. Loading the hauling machine by the loading machine is guided according to the machine orientation.

A feeder for a mobile phone glass PVD coating machine comprises a mobile phone glass cleaning machine, a PVD coating machine feeder and a PVD coating machine which are sequentially connected; the PVD coating machine feeder comprises an equipment frame, a rotary transfer assembly installed on the equipment frame, a cleaning basket chain plate conveying assembly, a cleaning rack conveyor assembly, a transfer assembly, a buffer conveyor, a roller conveyor assembly, a No. 1 robot assembly, a No. 2 robot assembly and a tray loading and unloading assembly. The equipment is used between an existing mobile phone glass cleaning machine and a PVD coating machine. The feeder equipment can achieve a yield of 99% and a purity of 100 levels, which greatly improves production efficiency while saving a large amount of labor.

The invention discloses a turning and milling compound machine feeding device, and belongs to the technical field of machine tool machining, the turning and milling compound machine feeding device comprises a feeding mechanism, a positioning mechanism and a transfer mechanism, the feeding mechanism comprises a vibration disc and a feeding guide rail, and the feeding guide rail comprises a bottom guide part and a top guide part fixedly connected to the top of the bottom guide part; the bottom guide part and the top guide part are respectively provided with a bottom guide groove and a top guide groove which are communicated with each other and are respectively used for guiding the base and the connecting rod; the positioning mechanism comprises a positioning driving part and a positioning guide block, the positioning guide block is right opposite to the top guide part, a positioning guide groove is formed in the side, facing the top guide part, of the positioning guide block, and the positioning driving part is used for driving the positioning guide block to move in the direction close to or away from the top guide part; and the transferring assembly is used for transferring and conveying the positioned and guided workpieces. The turning and milling compound machine has the effect that the reliability and the machining efficiency of the workpiece in the production and machining process of the turning and milling compound machine are guaranteed.

The invention discloses a heat pump unit operation control method, device and equipment and a storage medium. A heat pump unit comprises a heat pump host and a plurality of heat pump slaves. The method comprises the steps that the current temperature and a preset loading curve of the heat pump host are obtained, the current temperature comprises the current environment temperature and the current outlet water temperature, and the preset loading curve is used for representing the relation between the environment temperature and the loading proportion; according to the current temperature and the preset loading curve, the loading number of the heat pump slave machines is determined; and the heat pump slave machines corresponding to the loading number are controlled to work. The loading number of the heat pump slave machines is dynamically adjusted according to the actual temperature and the preset loading curve, the overload or underload condition is avoided through a reasonable heat pump slave machine loading strategy, and the energy saving performance, reliability and stability of the system are improved.

The utility model relates to the technical field of creasing machines, and discloses a creasing machine loading and unloading device convenient to adjust, which comprises a cleaning mechanism and an adjusting mechanism, the cleaning mechanism comprises a base, a U-shaped plate, an electric telescopic rod, a top plate, a hydraulic rod, a lifting plate, a pressing plate, an accommodating shell, two filter screens and two fans, a first two-way screw rod is rotatably arranged on the lower side of one side of the front end face of the base in a penetrating mode, sliding plates are arranged on the front side and the rear side of the outer end face of the first two-way screw rod in a threaded and sleeving mode, and drawing boxes are slidably arranged on the front side and the rear side of the end face of one side of the containing shell. According to the corrugated board line pressing device, chippings generated in the line pressing process can be cleaned through the cleaning mechanism, manual cleaning is not needed, more convenience is achieved, the positions of the first baffle and the second baffle can be adjusted through the adjusting mechanism before use, fixing of corrugated boards does not need to be removed after each time, and more convenience is achieved.

The invention provides a feeding and discharging assembly of a wafer scribing machine, and relates to the technical field of semiconductor manufacturing. The wafer scribing machine feeding and discharging assembly comprises a positioning table arranged on one side of a scribing machine, a first conveying belt and a wafer box, the positioning table is fixedly installed on one side of the scribing machine, the first conveying belt is arranged on the positioning table, the wafer box is arranged on the first conveying belt, a first inclined face is arranged on the outer wall of the wafer box, and a second inclined face is arranged on the outer wall of the first inclined face. A plurality of groups of positioning structures are arranged on the first conveying belt, the positioning structures are used for clamping and positioning wafer boxes, wafer lifting mechanisms are arranged on the wafer boxes and the positioning table, and the wafer lifting mechanisms are used for sequentially lifting wafers in the wafer boxes to specified heights. The feeding and discharging assembly of the wafer scribing machine has the advantages that the feeding and discharging assembly can adapt to wafers of different sizes, physical isolation and temporary storage can be conducted on wafer boxes of different specifications and batches, and new materials can be supplemented without shutdown.

The utility model relates to the technical field of feeding of ton bag machines, in particular to an automatic lifting device for a feeding port of a ton bag machine, which comprises a support, a feeding pipe is movably arranged on the inner side of the support, a connecting plate is fixedly connected to the surface of the feeding pipe, a guide rail is fixedly connected to the upper surface of the support, and a lifting assembly is fixedly connected to the surface of the feeding pipe. The stirring rod and the fixing rod can be driven to rotate along with rotation of the rotating rod, powder entering the feeding pipe can be stirred through rotation of the stirring rod, caked powder can be scattered conveniently, the powder can be prevented from being accumulated and blocked in the feeding pipe, the feeding stability and continuity can be guaranteed, and the feeding efficiency is improved. And a brush plate can be driven to rotate along with rotation of a fixing rod, the brush plate can clean the inner wall of the feeding pipe, powder attachment can be prevented, and therefore powder accumulation can be better avoided, and the powder can better fall conveniently.

The utility model relates to the field of material engineering experiments, and provides a clamp assembly, which comprises a first clamp, a second clamp and a third clamp, the first clamp is arranged on the inner side of the second clamp, and the second clamp is detachably connected with a testing machine loading head of the stress loading device; the vertical contact face of the first clamp and the second clamp is arranged to be a spherical convex face, the vertical contact face of the second clamp and the first clamp is arranged to be a spherical concave face, and the spherical convex face is matched with the spherical concave face. According to the clamp assembly, the vertical contact face of the first clamp and the second clamp is arranged to be the spherical convex face, the vertical contact face of the second clamp and the first clamp is arranged to be the spherical concave face, and the spherical convex face is matched with the spherical concave face. Therefore, the clamp assembly has the coaxiality deviation self-adjusting function of the sample and the central axis of the loading head of the testing machine, and the accuracy of the test result is high.

The utility model belongs to but is not limited to the field of semiconductor device packaging technology discloses a kind of for semiconductor packaging translation type sorting machine loading port travelling crane jig, including travelling crane seat, fixed frame is respectively arranged in travelling crane seat two sides, track is arranged on fixed frame bottom plate, first slider is arranged on track, travelling crane seat is connected with right side fixed frame slidingly by first slider;Cylinder is connected with second slider by universal joint, second slider is located on left side fixed frame slide rail, second slider is connected with travelling crane rocker arm lower end, travelling crane rocker arm upper end is connected with travelling crane seat.The utility model can satisfy DIP direct insertion type / SOP paster type semiconductor packaging form's sorting machine conveying function, there is reliable stability and the convenience of operation, improve equipment capacity, increase the accuracy of product sorting machine transmission, enhance the stability of equipment.

This invention discloses a PCBN tool grinding machine loading and clamping assembly and its usage method, including a carrying chamber, a rotating chamber that can rotate around the center of the carrying chamber on its surface; a pushing chamber that can guide the movement of PCBN tools inside the carrying chamber; and a placement chamber that can be connected to the pushing chamber and placed on the rotating chamber in a circumferential array on the rotating chamber; and an output chamber that can guide the falling PCBN tools and send them out inside the carrying chamber perpendicular to the pushing chamber. In use, automatic loading is achieved through the cooperation of a fourth electric push rod and a second electric push rod. This eliminates the need for frequent replacement of raw materials by the operator; only the PCBN tools to be ground need to be periodically filled into the storage chamber. This greatly increases overall production efficiency and significantly reduces the problems caused by human error in manual mechanical operation, thereby reducing the overall grinding quality.

The utility model discloses a feeding device for a non-woven fabric flattening machine, and aims to provide the feeding device for the non-woven fabric flattening machine, which can improve the feeding flatness and prevent cutting deformation. The device comprises a rack, the discharging roller is rotationally connected with the rack; the tensioning roller is rotationally connected with the rack, and the discharging roller is arranged on one side of the tensioning roller; the rack is connected with a fixing plate, the tensioning roller is connected with a supporting frame, one end of the tensioning adjusting rod is rotationally connected with the fixing plate, the other end of the tensioning adjusting rod is in threaded connection with the supporting frame, and the tensioning roller is vertically and movably connected with the rack through the tensioning adjusting rod; the material conveying roller is rotationally connected with the rack; the quantitative base plate is connected with the rack, a fixed plate is arranged on one side of the quantitative base plate, a movable plate is movably arranged on the other side of the quantitative base plate, the top plate is vertically and movably connected with the rack, and the movable plate is vertically and horizontally movably connected with the rack. The feeding device has the advantages that feeding flatness is improved, cutting deformation is prevented, and then the flatness of a notch is improved.

The present application belongs to the field of numerical control machine tool performance testing, and discloses a kind of digital physical fusion's machine tool precision retention accelerated testing system and method.Testing system includes vibration stress loading system, temperature stress loading system, dynamic force in-machine loading system, digital twin system, machine tool state information monitoring system, machine tool precision testing system and the machine tool to be measured.Testing steps include: preparing the load spectrum and test program spectrum of the machine tool to be measured;The machine tool to be measured is installed in the accelerated testing system;Deploy the machine tool state information monitoring system;Establish the digital twin model of the machine tool to be measured;Precision testing and multi-stress loading test are carried out on the machine tool to be measured;Digital twin model simulation calculation of the precision degradation process of the machine tool to be measured;Evaluation of the precision retention capability of the machine tool to be measured and problem tracing.The testing system and method combine digital twin technology with accelerated testing technology, reduce the accelerated testing time, reduce energy consumption, greatly expand the data volume, and improve the testing efficiency of the machine tool precision retention.

The present invention discloses a loading and unloading device and method for a hot bending machine, the device includes a frame, a manipulator, a precision positioning device, a transport module and a cleaning device: the frame is provided with a manipulator, and semi-finished product racks and finished product racks are provided on both sides of the manipulator respectively, and a precision positioning device is provided on the side of the manipulator close to the cleaning device; the cleaning device includes a frame, a flipping mechanism and a brush assembly, the frame is provided on the frame, and a brush assembly is provided on the frame, and a flipping mechanism is provided on one side of the frame, and the flipping mechanism is provided below the module clamp. The present invention takes the finished product unloaded by the hot bending machine out of the mold and places it on the finished product rack, then cleans the semi-finished product to be processed and the mold respectively, and then places the cleaned semi-finished product in the mold and transports it to the hot bending machine for loading, so as to realize the loading and unloading cycle operation of the hot bending machine, greatly improve the work efficiency, and significantly reduce the problem of raised surface of the finished product caused by dirt on the surface of the product or the mold, and the scrap rate is low.

The present invention belongs to the technical field of coupling processing, and specifically relates to a coupling production line. The coupling production line includes a sawing machine loading unit, a sawing machine unloading unit, an external cylindrical machine working unit, a marking machine working unit, a coupling thread processing unit, an inspection working unit, a semi-finished product storage unit, a flaw detection working unit, a phosphating working unit and a finished coupling storage unit arranged in sequence along a preset material conveying direction, a manipulator working unit arranged between the external cylindrical machine working unit and the marking machine working unit, and an iron chip conveying unit for waste material conveying arranged next to the coupling thread processing unit. Compared with the prior art, the production line improves the degree of equipment automation, effectively reduces the total number of workshop employees, and through the reasonable allocation of work for personnel in each position, improves the balance rate of each position, improves the utilization efficiency of employees, reduces the waste of personnel waiting, and ultimately effectively improves the comprehensive labor efficiency of the workshop.

The embodiment of the invention relates to the field of information processing, and discloses an automatic installation method and device based on a distributed mesh network, equipment and a medium, and the method comprises the steps that equipment to be installed sends a service request to a target distributed mesh network; acquiring a first guide script based on first response information of the service request; the to-be-installed equipment determines an installation father node and a second guide script based on second response information of the first guide script; analyzing the second guide script, and loading mirror image information, disk information and starting parameters required for installing the to-be-installed equipment so as to enter an installation environment; and in the installation environment, the operation system is automatically installed for the to-be-installed equipment through the preset automatic configuration tool. The single-point fault risk under a traditional main-standby or load balancing architecture is effectively avoided, and high availability of installation services is achieved. The mirror image information, the disk information and the starting parameters are efficiently obtained from the multiple resource nodes in parallel, the resource downloading time is shortened, the cross-network installation efficiency is improved, and the installation cost is reduced.

The utility model relates to the technical field of feeding devices, in particular to a polishing machine feeding device with a baffle, which is characterized in that a plurality of groups of circular tubes are sequentially arranged on a support component, a feeding component is started, then a feeding component is started, the feeding component conveys a group of circular tubes on the support component to the feeding component, and the feeding component feeds the circular tubes on the support component. The feeding assembly conveys the set of round pipes to the polishing machine, then the feeding assembly conveys a second set of round pipes on the support assembly to the feeding assembly, and the operation is repeated, so that automatic feeding and polishing of the round pipes are achieved, the machining efficiency is improved, and meanwhile the labor intensity of workers is reduced. Comprising a bottom plate and further comprises a feeding assembly, a feeding assembly and a support assembly, and the feeding assembly, the feeding assembly and the support assembly are arranged at the top end of the bottom plate.

The utility model discloses a kind of suction nozzle structures of ctp plate making machine loading platform, including suction cup assembly, copper base and flat head screw, the suction cup assembly includes horsehair suction cup, pad sleeve and support ring, the copper base is matched with the horsehair suction cup, the flat head screw passes through the horsehair suction cup and the copper base, the pad sleeve and support ring are respectively arranged on the copper base, whereby, horsehair suction cup design is used to effectively improve wear resistance, prolong service life, copper base can be effectively prevented from deformation, ensure air tightness, prevent printing plate from falling, so not only effectively improve production efficiency, but also avoid unnecessary loss of printing plate material.

The invention discloses a hydrogen environment metal material constant load testing device and a CTOD-based testing method.The high-pressure gas storage bin in the device is connected with an upper bin cover and a lower bin cover in a sealed mode, the upper bin cover is provided with a gas inlet pipeline, the lower bin cover is provided with a gas outlet pipeline, the high-pressure gas storage bin is filled with hydrogen, the upper bin cover is provided with an upper loading rod, and the upper loading rod is provided with a lower loading rod; the upper end of the upper loading rod is connected with a mechanical testing machine loading head, the lower end of the loading rod extends into the high-pressure gas storage bin, a load sensor is installed on the upper loading rod in the high-pressure gas storage bin, a lower loading rod is arranged on the lower bin cover, the upper end of the lower loading rod extends into the high-pressure gas storage bin, and the lower end of the lower loading rod is connected with a mechanical testing machine base. A constant-load sample is connected between the upper loading rod and the lower loading rod, an extensometer is mounted on the constant-load sample, and a temperature sensor and a pressure sensor are mounted in the high-pressure gas storage bin. The device can effectively provide a high-pressure hydrogen test environment, the method is not limited by the wall thickness of the pipe, and the fracture toughness value of the sample in the hydrogen environment is obtained.

The utility model provides an off-machine loading station for turning and milling composite equipment, which comprises a rack, a loading and unloading station rotary disc, a rotary mechanism and a universal gauge stand, the loading and unloading station rotary disc is rotatably arranged on the rack through the rotary mechanism, and the universal gauge stand is arranged at one corner of the rack; the rotary mechanism comprises a rotary supporting plate and a gear ring, the rotary supporting plate is arranged on the rack, the gear ring is rotationally arranged on the rotary supporting plate, and the gear ring is coaxially connected with the loading and unloading station rotary disc. The fixed disc is installed on the loading and unloading rotary disc, a to-be-machined part is clamped on the fixed disc, the fixed disc and the to-be-machined part can rotate on the loading and unloading rotary disc, the clamping precision of the fixed disc and the to-be-machined part can be calibrated through the universal meter on the universal meter seat, and after the turning and milling composite equipment finishes machining one part, the universal meter seat can be used for clamping the to-be-machined part. Machining can be started only by integrally clamping the fixing disc provided with the to-be-machined part in turning and milling composite equipment. And long-time shutdown of equipment due to workpiece clamping is avoided, the machining efficiency is remarkably improved, and high economic benefits are achieved.

The utility model belongs to the field of rock wool composite boards, and provides a rock wool composite board machine feeding grabbing disc which comprises a base, a servo motor is installed in the middle of the top of the base, the output end of the servo motor is fixedly connected with a mounting plate, and the outer side of the top of the base is fixedly connected with an annular sliding groove. First sliding blocks are symmetrically and slidably connected to the two sides of the interior of the annular sliding groove, supporting columns are fixedly connected to the tops of the first sliding blocks, the tops of the supporting columns are fixedly connected with the bottom of a mounting plate, and an electric lifting rod is fixedly connected to the middle position of the top of the mounting plate. The two-way threaded rod is rotated to drive the first internal thread sleeve and the second internal thread sleeve to be far away from each other or close to each other, and the telescopic rod is used for limiting when the first internal thread sleeve and the second internal thread sleeve move, so that an operator can conveniently adjust the grabbing range of the device; and therefore, an operator can adjust more conveniently.

The utility model relates to the technical field of tractor production, and discloses a tractor chassis double-unit loading running-in test bench which comprises a workbench, the top of the workbench is provided with a collecting groove, the top of the workbench is provided with a supporting mechanism, the collecting groove is internally provided with a filtering mechanism, and the supporting mechanism is provided with a supporting mechanism. The supporting mechanism comprises a fixing box, two threaded sleeves, two threaded rods, a driving assembly, a displacement plate, a supporting plate and a limiting assembly, and the fixing box is arranged at the top of the workbench. According to the running-in test bed, the working table and the supporting mechanism are arranged to support the chassis of the tractor, meanwhile, the chassis of the tractor can be supported according to the ground of the tractor under different belts during supporting, the applicability of the running-in test bed is improved, running-in oil can be collected and filtered through the collecting tank and the filtering mechanism, and the running-in test bed is convenient to use. Impurities brought out in the running-in process of the running-in oil are conveniently removed, so that the running-in oil is conveniently recycled, and a large number of resources are saved.

The utility model discloses a feeding and discharging structure of an automatic edge trimmer, which belongs to the field of edge trimmers and comprises a maintenance platform, a hydraulic driving system and a control cabinet are arranged at the top of the maintenance platform, a movable template is arranged at the bottom of the maintenance platform, and a fixed template is fixedly mounted at the position, close to the ground, of the maintenance platform. A first motor and a second motor are arranged in a matched mode, two synchronous chains are arranged on the fixed mold plate, an installation stand column is fixedly installed at the bottom of the maintenance platform in the vertical direction, and a double-servo material receiving disc is fixedly installed at the position, corresponding to the fixed mold plate, of the bottom of the installation stand column. Therefore, the material tray can still be kept horizontal under the condition of lifting or horizontal movement, the powerful functions of automatic feeding and material taking can be achieved, the production efficiency is greatly improved, the labor intensity of workers can be effectively reduced, the quality of finished products produced through pure mechanical automation is relatively stable, and the production cost is reduced. And potential safety hazards in production are greatly reduced.

This utility model discloses an ultrasonic cleaning machine loading and unloading device, which includes a cleaning tank, a conveying cylinder, and an ultrasonic generator. The material to be cleaned is continuously fed into the conveying cylinder through the inlet through the loading cavity at the top of the cleaning tank. During the continuous rotation of the spiral auger inside the conveying cylinder, the material is discharged upward through the opening. Under the action of the filter screen inside the conveying cylinder, the material is cleaned by the ultrasonic generator. This allows for unloading after cleaning, enabling continuous cleaning of the material and avoiding manual loading and unloading into the cleaning machine, thus increasing work efficiency and reducing manual labor. After cleaning, the cleaned water is fed into the filter box through the drain outlet. The liquid is filtered by the filter layer in the filter box and then pumped into the cleaning chamber between the guide plate and the partition plate, thus forming a water recycling system and reducing water waste.

The invention discloses a scribing method for relieving stress and reducing edge and corner breakage of a single-shaft scribing machine. Relates to the technical field of semiconductor processing. Comprising a slotting and semi-cutting process, and the slotting and semi-cutting process mainly comprises the following steps: step 1, fixing a wafer on a scribing machine loading table tray loaded with a wide knife, and setting the vertical design width of a single chip on the wafer as a, the transverse design length as b, the film thickness as t and the wafer thickness as d; setting the cutting depth of the slotting semi-cutting process as x, and setting the cutting height as t + d-x; 2, the wafer is cut in the horizontal direction, the vertical step diameter distance is a * m, m is the line number of the pipe core included between the two continuously cut tool marks in the group, and m is a positive integer larger than or equal to 1; according to the invention, the cutting difficulty is reduced, and the cost burden caused by purchasing a double-shaft scribing machine for slotting and cutting is reduced.

The utility model relates to a silk making workshop feeding machine equipment technical field discloses a feeding machine loading station, including the station body, the station body includes two symmetrical arrangement's side edge board, the inlet end of side edge board is connected with the mounting seat, is equipped with the guide inclined plane on the mounting seat, is equipped with the horizontal through slot on the guide inclined plane, is equipped with the vertical pivot in the horizontal through slot, the vertical pivot is fixedly connected with the swing arm, the other end swing arm is rotatably connected with the guide wheel, the mounting seat still is equipped with the floating roller, the floating roller is located the track of swing arm swing of guide wheel, the floating roller is when the wheel side of guide wheel is resisted by the external force and swings to the other side, and the floating roller is equipped with the return spring in the other side away from the side of resisting effect, solve the problem that the existing technology in the cigarette box is extremely easy to have rigid collision with the fixed metal side edge board of both sides of the station when sending into the station, damages the cigarette box or equipment.

The invention belongs to the technical field of stranding machines, and particularly relates to frame stranding machine feeding equipment for aluminum conductor processing, which comprises a frame stranding machine, the frame stranding machine is rotatably connected with a pay-off rack, the pay-off rack is provided with a plurality of pay-off reels, the pay-off reels are installed on the pay-off rack through a lock disc assembly, the lock disc assembly is used for fixing the pay-off reels, and the lock disc assembly is used for locking the pay-off reels. A feeding machine body is arranged in front of the frame strander, a new disc bearing table and an old disc bearing table are arranged in the feeding machine body, and the feeding machine body is inserted into the disc locking assembly of the pay-off rack. A threaded rod is driven to rotate through a servo motor, so that a pulling block moves leftwards and abuts against a sliding block under the action of a wedge-shaped piece, a second wedge-shaped block pushes a first wedge-shaped block, an insertion column is inserted into a pay-off reel, then a double-face wedge-shaped block is extruded through an extrusion column, the sliding block is unlocked, and the pay-off reel is unlocked. And then the pulling block can pull the old pay-off reel leftwards through the insertion column, and then the new pay-off reel is pushed upwards to the pay-off rack through the pushing mechanism to be installed.

This application belongs to the field of fracture toughness testing under corrosive environments, and specifically discloses a method for calibrating the stress intensity factor loading rate in fracture toughness testing under corrosive environments. The method includes: preparing a specimen and creating a pre-crack; using a corrosive solution to create a pre-corrosive environment at the crack tip; establishing a corrosive environment on a testing machine and performing a three-point bending test on the specimen in the corrosive environment at a preset testing machine loading rate to obtain the specimen's yield strength; loading the specimen in the corrosive environment using multiple different testing machine loading rates to 60%-90% of the yield strength, and recording the force-time curves for each loading; calculating the corresponding stress intensity factor loading rate based on the force-time curves and performing linear fitting to obtain the corresponding functional relationship. This application solves the problem that when conducting fracture toughness testing under corrosive environments, it is impossible to directly set the stress intensity factor loading rate, and existing calibration methods cannot accurately reflect the coupling effect of the corrosive environment.