220results about How to "Avoid surface damage" patented technology

The invention relates to the field of machining and automatic control, in particular to a pressure-sensing precision mechanical part polishing brush system and method. Comprising the following steps: converting and processing pressure data to obtain processed pressure data; calculating the difference between the current pressure and the target pressure based on the processed pressure data, and mapping the target pressure into the path track; optimizing the path through the path optimization objective function and the constraint condition to obtain an optimized path; based on the optimized path, obtaining a torque variation; a path adjustment amount is obtained through the torque variation; and correcting the optimized path through the gain parameter and the path adjustment amount to obtain a corrected path. The problems that the relation between the motion trail of the brush and the contact pressure is not accurately processed, and the motion trail of the brush is difficult to accurately control are solved.

The invention discloses a preparation method of a battery aluminum foil and the battery aluminum foil. The preparation method comprises the following steps that S1, a raw material formula is prepared according to the following components in percentage by mass, and a casting process adopts a water-cooling semi-continuous casting method to prepare a cast ingot from the raw material formula; s2, the cast ingot is subjected to saw cutting and surface milling treatment; s3, the cast ingot subjected to saw cutting and surface milling treatment is put into a heating furnace to be subjected to homogenizing heat treatment; s4, the cast ingot is subjected to hot continuous rolling treatment; a hot-rolled coiled material is obtained; s5, the hot-rolled coiled material is subjected to cold rolling and intermediate annealing, and a cold-rolled blank is obtained; s6, the cold-rolled blank is cleaned, and a cold-rolled blank is obtained; and S7, the cold-rolled blank is subjected to foil rolling, and the battery aluminum foil with the thickness ranging from 0.01 mm to 0.015 mm is obtained. The prepared battery aluminum foil is excellent in comprehensive mechanical property, good in surface quality, low in pinhole density and low in belt breaking frequency.

The invention discloses an angle-adaptive and pressure-adjustable optical element polishing grinding head, and belongs to the technical field of precision manufacturing, the angle-adaptive and pressure-adjustable optical element polishing grinding head comprises a bottom plate, a positioning mounting pin is arranged in the center of the upper surface of the bottom plate, an air nozzle is mounted on the upper surface of the bottom plate, and a corrugated pipe connector is arranged on the lower surface of the bottom plate; the corrugated pipe connector is connected with the top end of a corrugated pipe, a grinding head base is installed at the bottom end of the corrugated pipe, and a grinding head is connected to the lower portion of the grinding head base through a clamping ring. According to the angle-adaptive and pressure-adjustable optical element polishing grinding head, the angle of the grinding head is automatically adjusted through the flexible structure of the corrugated pipe, the grinding head is dynamically attached to the surface of an optical element, and the grinding head adapts to the surface with the complex curvature; the contact pressure between the grinding head and the surface is accurately controlled by regulating and controlling the medium pressure in the corrugated pipe, and excessive grinding or damage is avoided. The closed cavity guarantees the stability of the system, and the dynamic adjusting capability guarantees the real-time optimization of the angle and the pressure in the machining process.

The invention relates to the technical field of lifting appliance detection, and provides a lifting appliance detection method and system guided by a mechanical arm, and the lifting appliance detection method comprises the following steps: S1, selecting a reference point, a first detection point, a second detection point and a third detection point in a lifting appliance according to a preset detection requirement; s2, acquiring point clouds at the reference point, the first detection point, the second detection point and the third detection point; s3, on the basis of the point cloud characteristics of the reference point, the first detection point, the second detection point and the third detection point, at least two of an RANSAC segmentation algorithm, an Euclidean clustering segmentation algorithm and an edge detection algorithm are used to calculate the centroid coordinates of the point clouds at the corresponding positions; and S4, taking the reference point as a reference point, and obtaining error values of the first detection point, the second detection point and the third detection point according to the centroid coordinates of the point cloud.

The invention discloses intelligent cooling protection equipment for a new energy battery and a use method thereof, and relates to the technical field of new energy batteries, the intelligent cooling protection equipment comprises a protection box body, the top surface of the protection box body is fixedly connected with a box cover shell through bolts, and the left side and the right side of the inner wall of the box cover shell are each provided with a cooling opening; a fixed pressing shell is fixedly connected to the center of the bottom face of the box cover shell, and intelligent temperature control switches are arranged on the left side and the right side of the bottom face of the box cover shell correspondingly. According to the device, intelligent cooling is carried out in time aiming at high temperature in the battery using process, the problem of energy waste of a new energy battery or short circuit of a battery connecting line is avoided, the device has a fixed battery loosening alarm function, surface damage of the battery caused by loosening in the battery using process is avoided, and the service life of the battery is prolonged. The device can solve the problem of danger of spontaneous combustion and explosion of the damaged battery, the use safety of the battery is ensured, the stability of the whole device in the use process can be ensured, and the problem of shaking of the device in the use process is avoided.

The utility model provides automatic sponge bar assembling equipment which comprises a workbench, and a roller feeding mechanism, a material bar overturning mechanism, a material bar grabbing mechanism, a glue circulating and exhausting mechanism, a sponge flattening mechanism, a sponge feeding mechanism, a portal frame and a control system which are arranged on the workbench. And the processes of feeding, overturning, grabbing, glue dipping and carrying of the material bars, feeding and flattening of the sponge and insertion of the material bars into the sponge to complete combination are achieved. The automatic sponge rod assembling machine has the advantages of being simple in structure, simplified in process, safe, efficient and the like, and automatic sponge rod assembling can be achieved.

The invention discloses a laser cleaning permeable membrane device which comprises a workbench, a laser emitting mechanism, a permeable membrane moving and overturning mechanism, a feeding and discharging mechanism and a spraying auxiliary mechanism are installed at the upper end of the workbench, and the laser emitting mechanism comprises a laser emitting assembly. The permeable membrane moving and overturning mechanism can clamp, translate and overturn a permeable membrane, the feeding and discharging mechanism can be matched with the permeable membrane moving and overturning mechanism to feed and discharge the permeable membrane, the spraying auxiliary mechanism comprises a water tank and an air pump, and an electric heating plate is fixedly mounted in the water tank. The air outlet end of the air pump communicates with the interior of the water tank through a pipeline, and a spray pipe is inserted into the upper end of the water tank. By means of the structural arrangement, physical and chemical pollution of the film layer can be removed in a high-precision and all-around mode, meanwhile, controllability of the laser method is high, damage to the surface of the film is avoided, and the problem of chemical pollution existing in an existing cleaning technology is solved.

The invention belongs to the technical field of friction plate machining, and particularly relates to a clamping tool for brake friction plate machining, which comprises a dust hood, a water storage tank and a turntable, the clamping mechanism is arranged on the rotary table; the dust collection box is arranged on the outer side of the dust suction hood in a sleeving mode, and the lower end of the dust collection box is fixedly connected with a base; the auxiliary mechanism is arranged in the base; wherein the auxiliary mechanism comprises a driving part, the driving part is fixedly installed in the base, a first hollow cylinder is fixedly connected to the inner wall of the water storage tank, a lifting part is arranged at the lower end of the first hollow cylinder, a water conveying part is arranged at the upper end of the first hollow cylinder, and a negative pressure part is arranged at the lower end of the dust suction hood. And a cleaning part is arranged in the dust collection cover. According to the device, efficient fixing, cooling, dust collection and cleaning of the friction plate can be achieved, the stability and safety of the machining process are ensured, and meanwhile the machining efficiency and the product quality are improved.

The utility model relates to cable protection field especially relates to a kind of cable protection pipe flattening strength testing device, including workbench, mounting bracket, motor, shaft sleeve, screw rod and connecting plate, workbench top is provided with mounting bracket, the motor with output shaft downwards is installed in mounting bracket top, mounting bracket upper side portion is equipped with reinforcing plate, reinforcing plate middle part is rotatably connected with shaft sleeve, shaft sleeve is connected with the output shaft of motor, shaft sleeve inside is rotatably connected with screw rod, screw rod bottom is provided with connecting plate, mounting bracket rear side portion is equipped with stable guide rail. Screw rod mechanism driven by motor is converted to linear motion by rotating motion through shaft sleeve, cooperate with the rigid constraint of stable guide rail and guide block, ensure that pressing plate is vertically pressed without deviation, eliminate test data error;Dial gauge is directly monitored by pulling rope pressing plate displacement, form high-precision deformation to pressure curve, provide original data benchmark for evaluating the compression resistance of protection pipe.

The utility model relates to gas pipe correction technical field especially, it relates to a kind of PE gas pipe correction clamp, solve the problem that the pipe wall is prone to local indentation, flattening or stress concentration, and new plastic deformation is easily caused in the clamping area of pipe body when only applying correction force from outside in prior art due to the certain flexibility and elasticity of PE material.A kind of PE gas pipe correction clamp, including frame, both sides of frame are fixedly connected with side plate, and the opposite side of two side plates is equipped with arc clamping plate, and the bottom of two arc clamping plates is slidably connected between the bottom of frame, both sides of frame are equipped with support rod, and the one end of two support rods is respectively through both sides of frame.The utility model effectively solves the problem that pipe wall is prone to flattening, indentation or uneven stress due to lack of inside support in existing correction clamp, realizes the simultaneous support and uniform stress of inside and outside of PE gas pipe.

The utility model discloses a kind of stator and compressor suitable for shrink fit, stator suitable for shrink fit includes stator core, the front stepped structure of outgoing line end being arranged in the stator core, and the rear stepped structure of non outgoing line end being arranged in the stator core, the front stepped structure with the rear stepped structure is symmetrically arranged with the height direction of the stator core. It is through setting stepped structure in the end of stator core, stepped structure is completed with the shrink assembly of compressor shell in multiple ladder form, stator core middle part is gap fitted with compressor shell, reduces compressor iron loss, improves compressor efficiency. In the assembly process, the coaxiality deviation of stator and shell is effectively reduced, the transition contact of stator core and machine shell inner hole is reduced, surface damage is prevented, and deformation caused by uneven heating of shell in shrink fit process is automatically compensated.

The application relates to the technical field of steel processing equipment, in particular to automatic polishing equipment and a method for steel processing, which comprises a base and a machine body fixed on the base, the machine body is provided with an extrusion rotating device and a polishing roller, one side of the polishing roller is provided with a reciprocating moving mechanism, the reciprocating moving mechanism is connected with an opening and closing positioning mechanism for clamping the end of the steel, and the base is further provided with an external clamping device arranged opposite to the opening and closing positioning mechanism. The automatic polishing equipment and the method for steel processing are provided with the reciprocating moving mechanism and the opening and closing positioning mechanism, the opening and closing positioning mechanism is formed by a plurality of opening and closing plates and is an extrusion ring, a piston plate and a spring are slidably arranged in a connecting groove, the clamping force can be automatically adjusted according to the size change of the end of the steel, the polishing vibration and the axial movement can be effectively compensated, the surface damage caused by rigid clamping can be avoided, the manual repeated disassembly, assembly and adjustment are reduced, and the processing efficiency of batch polishing and the qualified rate of finished products are greatly improved.

The present invention relates to the field of precision polishing, and in particular to an intelligent anti-damage precision polishing brush system and method. It includes: scanning and collecting height data of each contact point on the surface to be polished, calculating the average height of the surface to be polished, and calculating the overall roughness and local roughness of the surface to be polished; using an intelligent polishing force distribution algorithm to calculate the local polishing force, and using a contact time dynamic control algorithm to dynamically adjust the polishing time of each contact point during the polishing process; using a polishing brush motion trajectory optimization algorithm to optimize the polishing brush motion trajectory; using a comprehensive damage assessment algorithm to calculate the comprehensive damage degree, and deciding whether to end the polishing process based on the judgment of the comprehensive damage degree and the maximum damage threshold and the roughness difference. It solves the technical problem that in traditional polishing technology, only the overall roughness is relied on for surface quality assessment, and the difference in local microscopic features of the surface cannot be captured, resulting in the inability to accurately identify defects or uneven areas.

The present invention discloses a charging cable storage device on a new energy charging pile, comprising a main body, an electric box is arranged inside the left side of the main body, a partition is fixedly installed on the inner surface of the right side of the main body, the partition is closed inside to form a cable box, a storage device is fixedly installed on the inner bottom of the cable box, the storage device comprises a storage bucket, the storage bucket is fixedly installed on the inner bottom of the cable box, a spring one is fixedly connected to the inner wall of the storage bucket, a resist plate is fixedly connected to the top of a spring two, and one resist plate is fixedly connected to every two springs one, a rotating shaft is rotatably connected to the bottom of the storage bucket, and a winding rod is fixedly connected to the outer surface of the rotating shaft. The charging cable storage device on the new energy charging pile drives the rotating shaft to rotate by arranging a motor to drive the winding rod fixedly installed on the rotating shaft to automatically retract the cable, and damage to the cable due to excessive extrusion is avoided by arranging a connection between the spring one and the resist plate.

The invention discloses a power semiconductor bonding contact detection device and a detection method thereof, and relates to the technical field of semiconductor processing. The power semiconductor bonding contact detection device comprises a welding detection part and a finished product detection part; the welding detection part is arranged in a welding assembly of the machining device and comprises a displacement sensor, a lower pressure generator, an ultrasonic transducer, a chopper, an aluminum wire feeding pipe, a cutter and an aluminum wire. The displacement sensor and the lower pressure generator are used as a whole and are in hard connection with the welding assembly. The finished product detection part is arranged on one side of the product moving direction in the processing device and comprises a cut-off assembly and a detection assembly; the cut-off assembly and the detection assembly are used for fixing the two sides of a to-be-detected sample respectively. By arranging the welding detection part and the finished product detection part, a product can be detected for multiple times, so that the quality of the product is improved; when detection is carried out through the welding detection part, poor contact or surface damage caused by inconsistent heights of welding surfaces can be avoided during each welding.

The present invention relates to the field of mechanical processing and automatic control, and in particular to a pressure-sensitive precision mechanical parts polishing brush system and method. The system comprises: converting and processing pressure data to obtain processed pressure data; based on the processed pressure data, calculating the difference between the current pressure and the target pressure, and mapping the target pressure to the path trajectory; optimizing the path through the path optimization objective function and constraint conditions to obtain the optimized path; based on the optimized path, obtaining the torque change; obtaining the path adjustment amount through the torque change; correcting the optimized path through the gain parameter and the path adjustment amount to obtain the corrected path. The system solves the problem that the relationship between the brush motion trajectory and the contact pressure is not accurately processed, and the problem that the brush motion trajectory is difficult to accurately control.

The invention relates to the technical field of ceramic-metal composite materials, in particular to a preparation method of a ceramic copper-clad plate and the obtained ceramic copper-clad plate. The transition coating and the copper conductive coating are prepared through the high-speed electric arc spraying technology, compact and reliable combination between the ceramic substrate and the conductive copper layer is achieved, the copper conductive coating with the larger thickness can be conveniently prepared on the ceramic substrates of different sizes, and the method can be applied to an ultra-high-power IGBT module with the larger thickness requirement. And the fields of high-speed rails, high-power LEDs, electric automobiles, 5G communication modules and the like are provided. According to the method, the ceramic surface is coarsened preferably through a laser cleaning technology, so that the smooth surface of the ceramic substrate can form a coarsened surface with uniform concave-convex depth, oil stains and the like on the surface can be cleaned, the bonding area of the ceramic substrate and the transition coating can be increased, and mutual embedded strong interface bonding between the ceramic substrate and the transition coating is also facilitated; and the binding force between the two is improved.

The invention relates to the technical field of silicon wafer manufacturing, and particularly discloses a novel diffusion process of a TVS (Transient Voltage Suppressor) chip. The invention discloses a novel diffusion process for a TVS (Transient Voltage Suppressor) chip. Cleaning: soaking the silicon wafer in a composite treatment liquid for treatment, then taking out the silicon wafer for ultrasonic cleaning, and finally drying the silicon wafer to obtain a cleaned silicon wafer; wherein the composite treating fluid comprises the following raw material components in parts by weight: 1-5 parts of a surfactant, 5-10 parts of a complexing agent, 2-6 parts of a buffering agent, 3-7 parts of an oxidizing agent, 1-3 parts of an alkali treating agent, 0.5-2 parts of a dispersing agent and 70-80 parts of water; and oxidizing the cleaned silicon wafer, coating glue, adding corrosion, removing glue, attaching a source, removing a film, attaching the source again, and completing diffusion.

The invention relates to the technical field of integrated circuit component packaging, in particular to a dip welding type copper strip winding type welding column preparation device and method. Comprising a lead wire traction mechanism for leading out a lead wire, a copper strip winding mechanism for winding a copper strip on the lead wire, a segmented placement mechanism for cutting the copper strip wrapped lead wire, a gantry clamping mechanism for grabbing and rotating the copper strip wrapped lead wire, a dip welding mechanism for soldering the tin copper strip wrapped lead wire and a welding column cutting and collecting mechanism for cutting and collecting a welding column, the copper strip winding mechanism comprises a driving motor, a hollow rotating platform is arranged at the output end of the driving motor, a rotating wall plate is arranged on the hollow rotating platform, a copper strip damper for placing a copper strip is arranged at one end of the rotating wall plate, and a guide roller is arranged on the rotating wall plate; the dip welding mechanism comprises a scaling powder heating table, a tin pot heating table and a tin scraping mechanism which are arranged in sequence. The device is simplified, the automation degree is high, the size is small, and batch preparation of the enhanced welding columns can be achieved.

This utility model relates to the field of square cover plate processing technology, and discloses a square cover plate processing equipment for packaging. It includes a worktable, a stamping assembly inside the worktable, and a cleaning assembly on the side wall of the worktable. The stamping assembly includes a cylinder fixedly connected to the inner wall of the top of the worktable. A mounting plate is fixedly connected to the output end of the cylinder. A top mold is fixedly connected to the bottom of the mounting plate. At least one stamping block is fixedly connected to the bottom of the mounting plate. A slider abuts against the side wall of each stamping block. A telescopic rod is fixedly connected to the side wall of each slider. A spring is sleeved on the surface of each telescopic rod. A groove is formed on the surface of the worktable. This utility model, through the structural design of the stamping assembly, solves the problem in the prior art where stamping equipment lacks a workpiece limiting component, which can cause workpiece displacement during stamping, resulting in dimensional tolerances.

The packaging carton comprises a carton body, the inner wall of the carton body is provided with the high-barrier nano coating, a square-column-shaped protection body is fixedly connected into the carton body, inserting grooves are formed in the two sides of the middle of the square-column-shaped protection body, inserting plates are connected into the two inserting grooves in a sliding mode, and the inserting plates are connected with the inner wall of the square-column-shaped protection body in a sliding mode. The upper ends of the middles of the end faces of the two sides of the inserting plate are provided with abutting plates, the abutting plates are elastic elements, the two ends of the lower end face of the inserting groove are fixedly connected with extrusion columns, and a sliding assembly is arranged at the lower end of the interior of the inserting plate and used for driving the abutting plates to be arched or flattened. The problem that in the prior art, when the size of a borne object is smaller than that of an inner cavity of a partition, due to the fact that effective constraint is lacked in the moving process of the box body, the object is prone to displacement and shaking in the carrying vibration or logistics circulation link, and the object is damaged is solved.

The present invention discloses a power semiconductor bonding contact detection device and a detection method thereof, which relates to the field of semiconductor processing technology, and includes a welding detection part and a finished product detection part; the welding detection part is arranged in a welding assembly of a processing device, and includes a displacement sensor, a down force generator, an ultrasonic transducer, a splitter, an aluminum wire feeding tube, a cutter and an aluminum wire; the displacement sensor and the down force generator are hard-connected to the welding assembly as a whole; the finished product detection part is arranged on one side of the product moving direction in the processing device, and includes a truncation component and a detection component; the truncation component and the detection component are respectively fixed to the two sides of the sample to be detected. The present invention can perform multiple detections on the product by setting the welding detection part and the finished product detection part, thereby improving the quality of the product; when the welding detection part is used for detection, poor contact or surface damage caused by inconsistent welding surface height can be avoided during each welding.

The invention relates to the technical field of edible mushroom blanching, and discloses edible mushroom blanching equipment, a blanching method and a blanching system.The equipment comprises a blanching assembly, the blanching assembly comprises a machine body, a discharging assembly is arranged at one end of the machine body, and an adjusting assembly and a jet flow assembly are arranged in the machine body; the jet flow assemblies are arranged on the two sides of the machine body. The weight of the edible mushrooms in the collecting box is detected in real time through the pressure sensor, then the actual discharging amount of the edible mushrooms in unit time can be obtained through calculation, and the difference value between the actual discharging amount of the edible mushrooms in unit time and the preset discharging amount of the edible mushrooms in unit time is calculated; and then through cooperation of the adjusting assembly and the jet flow assembly, the problem that the edible mushrooms are excessively blanched due to accumulation and blockage of the edible mushrooms is effectively solved.

The utility model discloses a positioning device for safety detection relates to positioning detection technical field. The positioning device for safety detection, including bottom plate and rotation locking mechanism, the top of bottom plate is provided with the connecting frame, and the top fixed mounting of bottom plate has the mounting panel, rotation locking mechanism sets up on the mounting panel, and rotation locking mechanism is used for driving the connecting frame and is locked to rotate. Through the cooperation of servo motor, rotating stick, ratchet, rotating short stick, claw and connecting frame, the rotation locking mechanism can drive the connecting frame to turn over the object clamped on it, avoid the need to re -clamp detection object or need the manual overturn of operating personnel when the multi -surface detection of clamping object, avoid the positioning deviation of multiple clamping easy to produce, lead to the condition of the error of detection data, improve the accuracy of detection, and shorten the overall working hours, improve the work efficiency of detection positioning device.

The motor vehicle license plate shunting packaging equipment relates to the technical field of license plate shunting packaging, and comprises a license plate buffer feeding device, a license plate finished product verification device, a license plate shunting device and a license plate packaging device; the license plate buffer feeding device comprises a license plate buffer feeding box, a buffer feeding conveyor belt and a buffer feeding translation mechanism; the license plate finished product verification device comprises a verification conveyor belt, a light uniformizing assembly and a verification camera; the license plate shunting device comprises a shunting feeding conveyor belt, a shunting transfer mechanism, a license plate turnover mechanism and a shunting discharging conveyor belt; the license plate packaging device comprises a vacuum conveyor belt, a packaging bag feeding device, a license plate packaging translation device and a solid sealing feeding device; the vacuum conveyor belt is provided with a packaging bag opening mechanism, a packaging bag sealing mechanism and a packaging bag labeling device. The application can realize the whole process operation of motor vehicle license plate shunting packaging, eliminate the manual carrying breakpoints between processes, improve the operation efficiency and sorting and packaging quality, and reduce the labor cost.

The utility model relates to the technical field of dies, and particularly discloses a high-precision special-shaped copper strip forging forming die which comprises an upper die, a lower die is placed above the upper die, isolation pads are arranged at the two ends of the upper die and the two ends of the lower die, and positioning grooves are formed in the faces, corresponding to the isolation pads, of the upper die and the lower die. A positioning block is fixedly mounted on the outer portion of each isolation pad, each fixing mechanism comprises a built-in groove, a guide groove, a sliding block, a moving groove and a handle, and before the upper mold and the lower mold are mounted, the positioning blocks on the outer portions of the isolation pads are inserted into the positioning grooves; at the moment, the handle is moved to drive the sliding block to move towards the outside of the guide groove until the sliding block is clamped in the built-in groove, the handle cannot move at the moment, the isolation pad is installed at the moment, the isolation pad avoids local stress concentration and surface damage caused by direct contact of the mold and the pressing block screw rod, and therefore the flatness of the surface of the mold is guaranteed; and the overall precision of the mold is guaranteed.

The invention provides a cross-workshop three-dimensional conveying system for aluminum profile production. An upper conveying unit is arranged on an upper transverse guide rail on the upper portion of a workshop, and an upper crane is movably arranged on the upper transverse guide rail and used for hoisting an aluminum profile containing frame on the ground of the workshop; the middle conveying unit is provided with a middle transverse guide rail transversely adjacent to a workshop, and a middle conveying vehicle is movably arranged on the middle transverse guide rail, receives the aluminum profile containing frame hoisted by the upper traveling crane and transversely conveys the aluminum profile containing frame across the workshop. The lower conveying unit is provided with a lower longitudinal guide rail in a longitudinally adjacent workshop, and a lower conveying vehicle is movably arranged on the lower longitudinal guide rail, receives the aluminum profile containing frame hoisted by the upper travelling crane and longitudinally conveys the aluminum profile containing frame across the workshop; and the three-dimensional conveying control unit comprises a central conveying controller which is in control connection with each conveying unit. By means of the cross-workshop three-dimensional conveying system, unified, coordinated and three-dimensional conveying of cross-workshop aluminum profiles can be achieved, the conveying efficiency is improved, the labor intensity in the conveying process is reduced, and the automatic continuous production requirement is met.

The present application discloses a punching device for steel beam manufacturing, including a base, a protective cover, a punching assembly, a limiting assembly and two top pressure capsules, wherein the protective cover is arranged on the base; the top of the punching assembly is arranged on the protective cover; the limiting assembly is arranged on the base, and the limiting assembly includes two driving components and two limiting shells, and the driving components and the limiting shells correspond to each other; the two driving components are respectively arranged on both sides of the hole slot, and the end of the driving component close to the hole slot is connected to the limiting shell; the two top pressure capsules are respectively arranged on the two limiting shells, and the top pressure capsules are arranged opposite to the base; an air pump is installed on the limiting shell, and the output end of the air pump is connected to the top pressure capsule. The punching device for steel beam manufacturing of the embodiment of the present application can flexibly control the clamping force of the punching part during the punching process, avoid deformation or surface damage of the punching part, improve the accuracy and stability of the punching operation, and reduce the scrap rate.

The utility model discloses a liquid culture medium storage container forming die convenient to demould, including work table, the bottom of work table is equipped with buffer collection subassembly, the top of work table is equipped with forming mechanism, including: forming assembly in the forming mechanism, including the support plate of symmetrical installation in work table top both sides, the inside sliding connection of support plate has the slide rod, one end of slide rod is fixedly connected with the die plate, the utility model relates to liquid culture medium production technical field. This liquid culture medium storage container forming die convenient to demould, through clear demoulding bar of sliding along vertical direction cooperation with return spring, can automatically and accurately eject the forming container from the die groove when opening the mould, improve the convenience of container demoulding, avoid the product deformation or surface damage caused by artificial auxiliary demoulding, and reset spring can ensure that demoulding bar resets stably, and the demoulding efficiency and product qualification rate are improved significantly.