235results about How to "Harm reduction" patented technology

The utility model relates to the technical field of glass fiber reinforced plastic pipeline production devices, and discloses automatic sizing glass fiber reinforced plastic pipeline cutting equipment which comprises a machining table, a linear lead screw set is arranged on the left side of the upper surface of the machining table, and a clamping mechanism is in transmission connection with the upper portion of the linear lead screw set. A concave placing table is fixedly connected to the right side of the upper surface of the machining table, a protective shell is fixedly connected to the upper portion of the concave placing table, a hydraulic cylinder is fixedly connected to the top face of the interior of the protective shell, and a cutter is fixedly connected to the bottom end of the hydraulic cylinder. According to the glass fiber reinforced plastic pipeline cutting device, through cooperation of the linear lead screw set, the clamping mechanism, the inwards-concave containing table and the cutting groove, a glass fiber reinforced plastic pipeline can be driven to stably move by a fixed size, automatic sizing is achieved, through cooperation of the protective shell, the flow dividing spray head set and the water supply unit, flying of glass fiber dust can be controlled during cutting, and the cutting efficiency is improved. And the harm to the body of a worker is reduced.

The invention relates to the technical field of waste plastic treatment, in particular to a waste plastic grading carbonization device and a waste plastic treatment method. The waste plastic grading carbonization device comprises a feeding hopper, a crushing device, a grinding device, a screening device, a catalyst self-adaptive proportioning device, a first spiral discharging machine, a first-stage carbonization chamber, a second-stage carbonization chamber, an activation chamber, a second spiral discharging machine, a solid product collecting device, a liquefaction device, a liquefied product collecting device, a cooling water circulating device and a third spiral discharging machine, a material returning bin and a tail gas treatment device. According to the invention, through the collaborative innovation of'grading carbonization 'and'catalyst self-adaptive proportioning device', the problems of incomplete and non-uniform carbonization of the waste plastics, inadequate utilization of gas products and the like in the pyrolysis process of the waste plastics are solved, and an industrial feasible path is provided for chemical recovery of the waste plastics; the device is reasonable in overall structural design and high in treatment energy efficiency, and continuous, sufficient and efficient pyrolysis and high-value conversion of the waste plastics are achieved.

The invention provides haematococcus alternatus and application thereof. The classification of the haematococcus alternatus is named as Alterrythrobacter sp. H2, and the classification of the haematococcus alternatus is named as Alterrythrobacter sp. The preservation unit is China General Microbiological Culture Collection Center (CGMCC); the address is Institute of Microbiology, Chinese Academy of Sciences, No.3, Yard 1, Beichen West Road, Chaoyang District, Beijing; the preservation date is July 29, 2024, and the preservation number is CGMCC (China General Microbiological Culture Collection Center) No.31487. The alternated red bacillus provided by the invention can degrade various polycyclic aromatic hydrocarbons under various environmental conditions of high salt, high temperature, low temperature, acidity, alkalinity, chromium combined pollution, arsenic combined pollution and the like.

The utility model relates to high-permeability all-light reflection cloth, which belongs to the technical field of all-light reflection cloth and comprises an all-light reflection cloth body, and the all-light reflection cloth body comprises first reflection cloth, second reflection cloth and a high-reflectivity coating. The all-light reflection cloth has the advantages that the all-light reflection cloth body is disassembled into the first reflection cloth body and the second reflection cloth body, so that workers can place the all-light reflection cloth body around crops under the condition that scissors are not needed, and the all-light reflection cloth body can be arranged around the crops through the easy-to-tear strip. According to the full-light reflection cloth body, a worker can cut sleeve holes with corresponding sizes according to the sizes of crop stumps, in the using process of the full-light reflection cloth body, the worker does not need to conduct cutting through scissors in the whole process, time and labor are saved, operation is convenient and fast, when the clamping piece and the clamping groove are in a parallel state, the worker can press the rotating piece to the position below the clamping piece, and the work efficiency is improved. And then the clamping piece is rotated, so that the clamping piece abuts against the rotating piece, and the purpose of fixing the first reflection cloth and the second reflection cloth can be achieved.

This invention provides a method for predicting surface vibration waveforms during tunnel blasting, comprising: first, deriving the vibration waveform function of a short-charge explosive charge based on Heelan theory; then, constructing a vibration calculation form suitable for tunnel cut-out blasting based on this short-charge explosive charge vibration waveform function, and calculating the surface vibration waveform function of the cut-out holes using the superposition principle; next, simplifying and correcting the formula for the waveform function of multiple-hole blasting to obtain the surface vibration waveform function of multiple-hole blasting in the tunnel; finally, determining the specific parameters in the formula by comparing with field measured data, and obtaining a surface vibration waveform function curve suitable for field use. This method can comprehensively and accurately predict the waveform time history curve of the entire process of surface vibration during tunnel blasting, rather than just predicting a single blasting peak value. It can effectively promote the field application of surface vibration waveform prediction for tunnel blasting and is of great significance for optimizing blasting parameters and ensuring the safety of various facilities and personnel around the blasting area.

The invention discloses a method and a system for suppressing thermal runaway of a battery. The suppression method comprises the steps that when it is judged that a battery has a thermal runaway risk according to collected information of the battery, according to a preset energy transfer strategy, current SOC information of the battery and the current available discharge rate of the battery, a preset energy transfer mode is intelligently matched and started, and electric energy transfer is conducted till the SOC of the battery is reduced to the target SOC. According to the method, when the thermal runaway risk of the battery is predicted, the optimal energy transfer scheme is judged and executed after intelligent calculation by the battery management system according to the battery parameter state at the current moment, the battery energy is actively transferred, the SOC of the battery with the thermal runaway risk is reduced, and the thermal runaway risk and harm are reduced to the minimum; and the risk caused by energy transfer action is avoided, the thermal runaway risk of the battery is not accelerated, and the safety of the battery is improved.

The utility model relates to the technical field of automobile door panel processing, and discloses a welding tool for assembling an automobile door panel, which comprises a machine body, a fixed adjusting component and a protective component are arranged above the machine body, the fixed adjusting component comprises a rectangular frame, and a door panel body is placed on the upper surface of the rectangular frame. According to the welding tool for assembling the automobile door panel, through combination of an air cylinder and a rubber pad, stable clamping of a door panel body is achieved, the rubber pad protects the surface of the door panel from being damaged, the adaptability of equipment to door panels of different sizes is enhanced through a limiting rod and a swing piece, the height of a rectangular frame is adjusted through a traction rope, and the door panel is accurately positioned; the welding assembly supports double-face welding, the efficiency is greatly improved, a protective curtain and a collecting frame are matched with a breathable grid plate, welding smoke is effectively extracted and filtered, the air quality is improved, the health of operators is guaranteed, residues are conveniently collected and discharged through the design of a scraper, impurity retention is avoided, the welding process is optimized through the overall structure, and the production efficiency, the environmental protection property and the safety are improved.

The utility model discloses a line board processing zinc spraying room with ventilation mechanism, including zinc spraying room, still include air intake mechanism, the air intake mechanism sets up on the outer wall of zinc spraying room bottom, the air intake mechanism includes air intake and air supply machine, zinc spraying gun, the zinc spraying gun is installed in the slider below zinc spraying room top crossbeam, follow -up ventilation mechanism, the follow -up ventilation mechanism sets up in the one side of slider, and the follow -up ventilation mechanism includes clamping seat, ventilation suction pipe, telescopic branch pipe and dust cover, dust removal fan, the dust removal fan is installed in the zinc spraying room top chamber inside of zinc spraying room top end, and the output of dust removal fan is equipped with air supply inclined pipe, spray settlement mechanism, the spray settlement mechanism is installed in the zinc spraying room top chamber top above air supply inclined pipe. The utility model not only adopts follow -up ventilation mechanism and captures zinc powder in time, prevents the diffusion to worker breathing area, and through the settlement treatment to zinc powder, reduced the harm that zinc powder directly discharged caused.

The application discloses a protection and distortion control method and system during sound operation, and relates to the technical field of audio processing. An audio signal and a reference signal are acquired; the reference signal is preprocessed to obtain a trigger signal of a level effective value; a trigger threshold is acquired according to the trigger signal of the level effective value; the trigger threshold is adjusted to obtain a preset trigger threshold; the preset trigger threshold is dynamically adjusted according to a voltage value corresponding to a frequency of the audio signal to obtain a voltage value corresponding to the preset trigger threshold; and the audio frequency corresponding to the voltage value corresponding to the preset trigger threshold is a protected and distortion-controlled audio signal. The application realizes dynamic change of a high-frequency cutoff frequency of an audio high-frequency unit while maintaining the loudness of a sound field restoration of a sound system, and improves the protection and distortion control accuracy of the sound in a limit operation state of high power and long time.

This utility model belongs to the field of livestock breeding technology, and particularly relates to a disinfection device for the interior of livestock pens. It includes a pen and a column fixedly installed on the top of the pen. A canopy is fixedly connected to the top of the column, and a guardrail is fixedly installed on the front of the column. A partition is installed inside the pen, and a disinfection mechanism is installed on the top of the partition. The disinfection mechanism includes a water tank, a water pump box, a mounting frame, and a nozzle. This disinfection device for the interior of livestock pens, through the disinfection mechanism composed of a water pump box, water pipes, and nozzles, can automatically spray disinfectant water from the water tank, achieving automated disinfection inside the pen. It eliminates the need for manual operation of a handheld sprayer, significantly reducing labor input, improving disinfection efficiency, and reducing the risk of personnel contact: avoiding direct contact with disinfectants by workers, reducing the health hazards of long-term exposure to disinfectant environments, and ensuring the safety of operators.

The invention belongs to the technical field of environmental microorganisms and sewage treatment, and particularly relates to bacillus parabarisiformis and application of the bacillus parabarisiformis in anti-wastewater treatment. The bacillus paramycoides (BCTC-2) is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.35352, and the preservation date is July 23, 2025, and the preservation number is CGMCC No.35352. The bacillus paramycoides (BCTC-2) has the advantages that the bacillus paramycoides (BCTC-2) is preserved in the China General Microbiological Culture Collection Center (CGMCC), the preservation number is CGMCC No.35352; the strain can be used for actual antibiotic-containing wastewater treatment, can reduce environmental pollution caused by antibiotic residues, provides a theoretical basis for industrial application of aureomycin efficient degrading bacteria, is beneficial to enriching a strain resource library of the aureomycin degrading bacteria, and provides an effective biodegradation method for pollution treatment of antibiotics in the environment.

The present application relates to the technical field of slag resource processing, more particularly, it relates to a slag recycling secondary treatment process. It comprises the following steps: titanium-containing blast furnace slag recycling and processing, titanium-containing blast furnace slag resource processing, composite adsorbent preparation, resource secondary treatment and composite phase change heat storage material preparation. In the present application, through the resource processing of the titanium-containing blast furnace slag, the titanium-silicon composite matrix material and the mixture powder can be separated from the titanium-containing blast furnace slag, and the titanium-silicon composite matrix material and the mixture powder can be used for preparing the composite adsorbent and used as the matrix material of the composite phase change heat storage material respectively, so as to achieve the purpose of efficient resource utilization of the titanium-containing blast furnace slag and play the characteristics of each component in the titanium-containing blast furnace slag.

This invention discloses the synthesis and application of a non-natural nucleic acid fluorescent probe targeting small molecule toxins, belonging to the field of molecular detection technology. The non-natural nucleic acid fluorescent probe of this invention uses threonose ribose as the ribose content, and the nucleic acid is modified with fluorescent and quenching groups. The quenching groups bind to the nucleic acid through π-π stacking and hydrogen bonding. This invention is the first to apply a threonose nucleic acid aptamer targeting the small molecule toxin ochratoxin A to cell imaging and in vivo animal imaging. Utilizing the targeting ability of the aptamer and the biostability of threonose nucleic acid, targeted tracking of OTA was achieved. Unexpectedly, OTA was found to accumulate not only in the kidneys and liver but also in the knee joint. Furthermore, after the aptamer binds to OTA, the OTA content in mouse serum is significantly reduced, providing an important tool for understanding the toxic mechanism of OTA and potentially offering new strategies for blocking or mitigating the toxic effects of OTA.

The patent relates to the technical field of tobacco, and particularly relates to a conveying system for a paper-process sheet drying oven and the paper-process sheet drying oven. The conveying system comprises a conveying device, a first deviation rectifying device and a second deviation rectifying device. The first deviation rectifying device and the second deviation rectifying device are both used to provide displacement in a deviation rectifying direction to the conveying belt, the deviation rectifying direction is perpendicular to the length direction of the conveying belt, the distance between the first deviation rectifying device and the end driving roller is not greater than 10%, 20% or 25% of the length direction size of the transmission assembly, and the second deviation rectifying device is arranged substantially symmetrically to the middle line of the transmission assembly in the length direction of the first deviation rectifying device. The patent can better solve the deviation problem of the conveying belt, save labor cost, improve production efficiency and reduce the labor intensity of the operator. The deviation rectifying frequency of the first deviation rectifying device and the second deviation rectifying device is lower during the working process, and the first deviation rectifying device and the second deviation rectifying device are more suitable for deviation rectifying of long-distance belt conveying systems and have a longer service life.

The utility model discloses an acupuncture mechanism and radiopharmaceutical subpackaging equipment comprising the same. The needling mechanism comprises a sliding shaft, an operating handle sliding up and down along the sliding shaft and a needle frame base plate, the sliding shaft is further sleeved with an elastic piece, the upper end of the elastic piece is connected with the operating handle, the lower end of the elastic piece is connected with the needle frame base plate, and a first buckle used for fixing an extraction needle is arranged on the needle frame base plate. The extraction needle moves up and down along with the needle frame base plate under the action of the operating handle, so that a soft bottle plug of a medicine bottle can be punctured. The operation handle and the needle frame base plate are arranged on the sliding shaft, the elastic piece is arranged between the operation handle and the needle frame base plate, buffering can be ingeniously provided for the extraction needle to pierce a soft bottle plug of a medicine bottle, buffering can also be provided when the extraction needle makes contact with the bottom of the medicine bottle, and bending of the extraction needle and damage to the bottom of the medicine bottle are avoided; the liquid medicine in the medicine bottle can be completely extracted to the maximum extent, the extraction requirement is met, radiation residues are reduced, and harm to operators is reduced.

The utility model discloses a plywood cutting device which comprises a cutting table, the upper surface of the cutting table is fixedly connected with a fixing frame, a dust collector is installed on the upper surface of the fixing frame, a sliding dustproof cover is arranged in the fixing frame, and the outer surface of the sliding dustproof cover is fixedly communicated with a first dust collection pipe. Symmetrical adjusting plates are fixedly connected to the outer surface of the sliding dustproof cover, two springs are fixedly connected to the upper surface of each adjusting plate, and the top end of each spring is connected with the inner wall of the fixing frame. According to the plywood cutting device, a cutting mechanism driven by a motor is adopted, a positioning plate and an adjusting mechanism are combined, accurate positioning and stable cutting of plywood can be achieved, and the accuracy of the cutting size is ensured; and wood chips and dust generated in the cutting process can be effectively collected, dust diffusion is reduced, and the machining environment is improved.

The utility model relates to the technical field of vibration knife, and disclose a kind of servo high-torsional vibration knife cutting equipment, including pedestal, further include: install the adsorption device frame in pedestal top, the outer wall opposite side of two described adsorption device frame is fixedly connected with blast nozzle, the inside of two described adsorption device frame is equipped with air blower, by air blower cooperation blast nozzle, can effectively adsorb the dust generated by cutting, filter plate can preliminarily filter large particle waste dust to dust collecting groove, simultaneously, brush can clean dust on filter plate under the driving of screw rod, connecting piece etc., dust is collected by dust collecting groove, it is convenient to clean, guarantee the clean air around equipment, reduce the harm of dust to operator health, filter cartridge and fan in air outlet box, further purify air, discharge clean airflow, maintain good air quality in working environment, on cutting function, pneumatic cylinder can accurately control the down pressure degree of tool bit.

This invention belongs to the field of agricultural herbicides and provides a photosynthetic inhibitor herbicidal composition comprising 5-aminolevulinic acid, malondialdehyde, and a herbicidal active ingredient. The herbicidal active ingredient is selected from one or a combination of several herbicides selected from acetolactate synthase inhibitors, photosynthetic system II inhibitors, or protoporphyrinogen oxidase (PPO) inhibitors. This invention utilizes the synergistic effect of 5-aminolevulinic acid, malondialdehyde, and a specific type of herbicidal active ingredient to effectively enhance the efficacy of the herbicidal active ingredient, enabling rapid and thorough weed control.

The utility model discloses a mine blasting mining protection device, belongs to the technical field of blasting protection, and aims to solve the technical problem of limited protection capability of a blasting protection device in the prior art. The mine blasting mining protection device comprises a first arm, first supporting arms are arranged at the two ends of the first arm, and the first supporting arms are perpendicular to the first arm; the second arm is movably arranged above the first arm and is kept in the same length direction with the first arm, second supporting arms are arranged at the two ends of the second arm, and the second supporting arms are perpendicular to the second arm; and the back plate is hinged to the top of the second arm, and the back plate is obliquely arranged towards one side of the second supporting arm. According to the mine blasting mining protection device, by arranging a multi-stage buffer structure, impact force and flying stone energy generated by mine blasting can be effectively buffered and absorbed, the protection performance of the protection device is greatly improved, and the harm of blasting to the surrounding environment and personnel is reduced.

The utility model relates to the technical field of bag-type dust removers, and discloses a bag-type dust removal connecting structure which comprises a first connecting ring, two connecting blocks are fixedly connected to the inner wall of the first connecting ring, an expansion ring is fixedly connected to the left side of the first connecting ring, and a convex ring is fixedly connected to the left side of the first connecting ring. A second connecting ring is detachably connected to the left side of the first connecting ring, a sealing groove is formed in the second connecting ring, a plurality of first springs are fixedly connected to the inner wall of the sealing groove, sealing rings are fixedly connected to the right sides of the first springs, and a clamping ring is fixedly connected to the interior of the second connecting ring. According to the utility model, dust-containing gas can be effectively prevented from escaping, the clean and safe working environment is guaranteed, the harm of dust to the health of personnel and the surrounding environment is greatly reduced, the stable airflow and pressure environment in the bag-type dust collector can be maintained, the efficient development of dust collection operation is ensured, and the reliable operation cycle and the service life of equipment are prolonged in an assisting manner.

The application discloses a composite stratum multi-cutter disc rectangular pipe jacking blind area processing structure and method, comprising a drilling and blasting integrated processing structure, defining the advancing direction of the pipe jacking machine as the front, the drilling and blasting integrated processing structure comprising a drilling module and a blasting module connected in sequence from front to back, the blasting module rear end being connected with a drilling machine through an adapter pipe; a channel is arranged in the soil chamber corresponding to the cutter disc blind area of the multi-cutter disc rectangular pipe jacking machine, the drilling and blasting integrated processing structure being arranged in the channel, and a valve being arranged on the side of the channel close to the cutter disc. The drilling and blasting integrated processing structure can drill and excavate the hard rock in the blind area of the pipe jacking machine and perform blasting to form dense cracks in the blind area, break the originally hard rock, and thus realize full-face construction of the pipe jacking machine in the composite stratum.

The present application relates to the technical field of pest attractant, in particular to a kind of corn borer adult food attractant.The food attractant is developed based on the corn borer flower visiting behavior, and is composed of three components of phenylethanol, phenylacetaldehyde and rosinene, the main components of Asclepiad flower fragrance, which has significant corn borer attracting effect in field, and can effectively attract both male and female adults at the same time, to achieve the purpose of population monitoring or centralized control.The present application does not directly contact crops, has the advantages of high efficiency, non-toxic and non-residue, and does not kill natural enemies, etc., and is an environmentally friendly green control new technology.

The invention discloses a foam curtain generation and performance characterization device and method and application. The device comprises a foam curtain injection system used for generating a foam curtain, a combustion system used for heating the foam curtain and a motion capture system used for capturing the motion trail of the foam curtain. The foam curtain injection system comprises a foam mixed liquid tank body, a pump body and a foam curtain injector, the pump body is arranged between the foam mixed liquid tank body and the foam curtain injector, and the pump body is connected with the foam curtain injector through a pipeline; the combustion system comprises a combustion gas cylinder, a combustion improver cylinder, a combustion mixer and a combustor, the combustion gas cylinder and the combustion improver cylinder are respectively connected with the input end of the combustion mixer through pipelines, and the combustor is connected with the output end of the combustion mixer. The device can monitor the motion trail of the marking section foam curtain in real time and control the angle of combustion flame, so that the marking section foam curtain receives heat radiation all the time, the actual working condition is simulated more truly, and the actual heat insulation effect is reflected.

The present application relates to the technical field of gas outburst chemical agent, in particular to a kind of methane esterification agent for preventing gas outburst and its preparation method and application method, and the methane esterification agent includes acid, I2, manganese-containing oxidizing agent and iron catalyst, relative to acid, the amount of I2 is 0.035-0.040 mol / L, the amount of manganese-containing oxidizing agent is 0.15-0.2 mol / L, and the amount of iron catalyst is 0.1-0.2 g / 100 mL;The iron catalyst is Fe-loaded MWCNTs, and the iron loading in the iron catalyst is 36-53% of the amount of MWCNTs in terms of mass content.The methane esterification agent of the present application can effectively esterify methane, and the formula and preparation method are simple and easy to operate, and the methane esterification agent has small corrosion hazard effect.

The utility model provides a flower groove for landscape gardens, which relates to the technical field of flower grooves and comprises a shell, a flower groove body is arranged in the shell, a fixing ring is arranged in the flower groove body, a filter screen plate is arranged in the middle of the fixing ring, and a fixing block is arranged on the inner wall of the flower groove body. A clamping block is arranged on the side face of the planter body, a gasket is arranged on the left side of the clamping block, a threaded rod is arranged in the clamping block, and a rotating handle is arranged on the right side of the threaded rod, so that better breeding efficiency and growth environment of the planter are achieved, and the planter body can be stably fixed in the shell through the design of a fixing block and the clamping block; meanwhile, position adjustment and maintenance are facilitated, a threaded rod and a rotating handle are combined for use, convenience is provided for operation, a user can easily adjust the height and angle of the planter body, water management and moving carrying are facilitated through the design of a water collecting tank and a handle, and the use convenience and functionality of the landscape garden planter are overall improved.

The utility model relates to a kind of lithium battery cover plate structure, belong to lithium battery technical field.The lithium battery cover plate structure, comprising: cover plate body and the explosion-proof valve of being set in the middle place of cover plate body;Explosion-proof mechanism, the pressure block of being set in the explosion-proof valve inside is included in the explosion-proof mechanism, adjusting assembly is set between the pressure block and cover plate body, the upper surface of the cover plate body is set with adsorption box at explosion-proof valve;By setting the mounting block of carrying safety block into detachable, explosion-proof valve of cover plate can be conveniently replaced alone after being opened, without scrapping entire cover plate assembly.This way, when explosion-proof valve starts, only needs to replace mounting block, greatly reduces maintenance cost;By setting clamping block cooperation installation slot can quickly replace mounting block, improve the maintenance efficiency of cover plate.

The utility model provides an automatic deviation correction drilling guide device for bridge and tunnel engineering anchor rod hole construction, and relates to the technical field of drilling guide. A base is mounted on the partition plate, a middle cylinder is mounted above the base, a top seat is mounted at the upper end of the middle cylinder and connected with the base through bolts, guide cylinders are mounted in the top seat, the middle cylinder and the base, bearings are mounted in the top seat, and the guide cylinders are sleeved with the bearings; by means of an automatic deviation rectifying structure composed of the lower fixing block, the elastic telescopic rod, the rail rod, the contact wheel and the like, when a drill bit deviates, the contact wheel is extruded to be in linkage with the elastic telescopic rod to reversely apply force to adjust the direction, and the drilling perpendicularity and precision are improved; dustproof rings and sealing rings in the base and the top seat form a multi-layer dustproof sealing structure, dust is prevented from entering the device, components are protected, the service life is prolonged, and the construction environment is improved; vibration impact is absorbed through a buffering and damping system composed of a buffering ring and a spring in the middle cylinder, and the drilling quality is improved.

This utility model discloses a waste treatment device for isothiazolinone production, relating to the field of isothiazolinone production technology. The waste tank is connected to a first filter, the first filter is connected to a settling tank, the settling tank is connected to a distillation tank, the distillation tank is connected to a degradation tank, the degradation tank is connected to a sedimentation tank, the sedimentation tank is connected to a second filter, the second filter is connected to a nanofiltration membrane device, and the nanofiltration membrane device is connected to a treatment water tank. This device can effectively remove harmful substances from the isothiazolinone production waste, achieving harmless treatment of the waste and also realizing resource recycling to a certain extent, thus possessing good environmental and economic benefits.

The utility model relates to the technical field of circuit board processing, in particular to a current adjusting device for circuit board electroplating, which comprises an electroplating box, a portal frame is mounted in the middle of the top of the electroplating box, an electric cylinder is mounted in the middle of the top of the portal frame, and the output end of the electric cylinder is fixedly mounted in the middle of the top of a transverse plate. A rotating shaft is rotatably mounted on the side, away from the anode, of the transverse plate, a clamping assembly is arranged at the bottom of the rotating shaft, a conductive slip ring connected with the cathode of the current regulator is mounted at the top of the rotating shaft, a stirring shaft is rotatably mounted on the other side of the transverse plate, and a plurality of stirring rods are mounted below the outer side wall of the stirring shaft. The electric cylinder drives the transverse plate to ascend, the U-shaped plate can be driven to ascend, the U-shaped plate drives a circuit board to ascend to leave electroplating liquid in the electroplating box, when a worker takes the circuit board, fingers do not need to stretch into the electroplating liquid, and harm to the fingers is reduced.

This invention relates to the field of sheet metal processing technology, and particularly to an integrated machine for slotting and drilling cable reels. The integrated machine includes a base, a support column at the top of the base, a transverse support frame fixedly connected to the top of the support column, longitudinal support frames on both sides of the transverse support frame, and a second electric slide rail fixedly mounted on each of the two longitudinal support frames. A second sliding block is slidably fitted onto the surface of each of the two second electric slide rails. A fixing block is installed below the left longitudinal support frame, and a screw drill and a drive hole machine are located below the right longitudinal support frame. A controller is mounted on the base. The advantages of this invention are: the device can quickly adjust the drilling position and depth, enabling drilling operations at different positions and depths on cable reels; the screw drill and the drive hole machine can work simultaneously, significantly improving drilling efficiency in conjunction with the rotation of the rotating disc, meeting the needs of large-scale cable reel production.