48results about How to "Automatic replacement" patented technology

The invention relates to the field of elevator door change gear detection, in particular to an elevator door change gear detection device, which solves the problem that a door change gear can be automatically replaced while the elevator door change gear detection device is suitable for simultaneous detection of various door change gears with different sizes, and comprises a cabinet body and a driving motor, and an output shaft is fixedly installed at the output end of the driving motor, a plurality of driving wheels are fixedly installed on the outer wall of the output shaft, and the driving wheels are installed at equal intervals. According to the device, the function of automatically adjusting the height of the change gear seat can be achieved, the device can be conveniently suitable for door change gears with different sizes and diameters, the device can conveniently detect the door change gears with different sizes at the same time, a replacement box of the device can achieve automatic replacement when the door change gears descend after detection is completed, and the detection efficiency is improved. Manual operation is not needed, and the detection efficiency of the device can be improved on the premise of ensuring safety.

The invention relates to the technical field of tail gas treatment, and particularly discloses a chloroacetic acid tail gas treatment device which comprises a protection mechanism and a first driving mechanism, a purification mechanism is rotationally connected into the protection mechanism and used for treating tail gas, and the first driving mechanism is arranged at the top of the protection mechanism and used for driving the purification mechanism to rotate. The purification mechanism comprises a supporting cylinder and a spiral plate mounted on the outer side of the supporting cylinder, and the spiral plate can drive activated carbon to be conveyed downwards; according to the chloroacetic acid tail gas treatment device disclosed by the invention, tail gas is introduced into one filtering space, after activated carbon at the bottommost part in the filtering space is saturated, an isolation belt is folded, a spiral plate is driven to rotate through a supporting cylinder, and the saturated activated carbon is discharged and the unsaturated activated carbon is driven to move downwards in the rotating process of the spiral plate; and meanwhile, the effect of automatically replacing the activated carbon without shutdown is achieved, the activated carbon does not need to be manually replaced, and the labor cost is reduced.

The invention relates to the technical field of plastic rope processing equipment, in particular to a plastic rope fixed-distance cutting and bundling all-in-one machine which comprises a base, a cutting rack is fixedly connected to the middle position of the top of the base, and a bundling device used for bundling a plastic rope is arranged at the position, located on one side of the cutting rack, of the top of the base. A cutting machine frame is fixedly connected to the side wall of the base, a supporting frame is fixedly connected to the position, located on the other side of the cutting machine frame, of the side wall of the base, a single-head air cylinder is fixedly connected to the top of the supporting frame, and a rope feeding cover is fixedly connected to the cutting machine frame. According to the plastic rope cutting device, a cut plastic rope can automatically fall into a packaging bag, and in the process that the plastic rope is cut and falls into the packaging bag, an empty packaging bag can be arranged on the other fixing frame in a sleeving mode, so that the packaging bag replacement time is saved, the positions of the packaging bags can be automatically replaced, workers do not need to place the packaging bags one by one, and the working efficiency is improved. And the convenience of the device is further improved.

The invention discloses a stable water supply device for hemodialysis, and relates to the technical field of hemodialysis. The invention provides a stable water supply device for hemodialysis, which comprises a mounting plate, one side of the mounting plate is fixedly connected with a water storage barrel, the other side of the mounting plate is fixedly connected with a water suction pump, the water suction pump is communicated with a connecting water pipe, the water storage barrel is communicated with the same connecting water pipe, and a lower frame is fixedly connected between the two connecting water pipes. The top of the lower frame is fixedly connected with an upper frame. The water suction pump operates to guide water into the water storage barrel, the water can circulate in a cavity formed by the lower frame and the upper frame, impurities in the water are filtered out through the activated carbon cotton, in the water supply process, the detector monitors the quality of water filtered by the activated carbon cotton in real time, and after the activated carbon cotton adsorbs the water to be saturated, the water is discharged. The driving motor controls the lower rotary drum to rotate to wind the used activated carbon cotton, and the upper rotary drum rotates to release new activated carbon cotton, so that the activated carbon cotton can be automatically replaced to ensure that the water quality of supplied water is stable.

The invention discloses dust collecting and removing equipment for petroleum calcined coke production in the technical field of petroleum, the equipment comprises a main body furnace, the main body furnace comprises a furnace barrel arranged on the main body furnace, a gas outlet pipeline is fixedly mounted on the surface of the furnace barrel, a mounting table is fixedly mounted on the surface of the furnace barrel, and the equipment further comprises a switching mechanism; the switching mechanism comprises a switching turntable rotationally connected with the mounting table, a torsion spring is coaxially and fixedly mounted in the switching turntable, six rotating cylinders are fixedly mounted on the surface of the switching turntable, a filter block is attached to the inner wall of each rotating cylinder, and the switching turntable is driven by the torsion spring to quickly rotate; and then the filter block at the first station a is rapidly rotated to the second station b, and the adjacent filter block is rapidly supplemented to the first station a, so that the purpose of automatically and rapidly replacing the filter block is achieved, the adjacent filter block is not influenced, the switching stability is ensured, the calcination work is continuously carried out, and the calcination efficiency is improved.

The invention relates to an automatic mold core pressing system for high-temperature alloy precision casting, which is applied to the related technical field of pressure injection molding and can realize automatic continuous pressure injection, effectively reduce the dependence on manpower, reduce the influence of human factors on the product quality and improve the production efficiency, and various devices are integrated on one device, so that the production cost is reduced, and the production efficiency is improved. Compared with the mode that multiple devices are matched with one another in the prior art, the occupied area is greatly reduced, and cost input is reduced; meanwhile, through the arrangement of the quick change unit, automatic quick change of different pressure injection molds can be realized, compared with a change mode of manually disassembling an old mold and then installing a new mold in the prior art, the time of halting for mold change is greatly shortened, the influence on the production efficiency during mold change is effectively reduced, and meanwhile, through the arrangement of the deviation measuring unit, the production efficiency is improved. And real-time monitoring and self-fine adjustment of the position can be carried out in the die changing process, so that the die changing efficiency is effectively guaranteed, the downtime is further shortened, and the production efficiency is improved.

The invention discloses a full-automatic production line of a cold pilger mill, and relates to the technical field of cold pilger mills, the full-automatic production line of the cold pilger mill comprises a rack, the top of the rack is connected with a rolling mill assembly, an adjusting assembly assembled in the rolling mill assembly and a polishing assembly installed at the top of the rack, and the rolling mill assembly comprises a driving part installed at the top of the rack; the driving part is connected with a sliding part through a pushing part, the inner wall of the rack is fixedly connected with a limiting part, the periphery of the sliding part is connected with the rack through a connecting part, and in order to adapt to capillary tubes of different sizes, the distance between the rollers is adjusted through a servo motor, precise rolling is ensured, and the servo motor drives a gear and a rotating disc to drive a mounting frame and the rollers to move; rapid adjustment of the distance between the rollers is achieved, rolling requirements of tubular billets with certain specifications and different sizes are met, production flexibility is improved, when the rotating disc rotates, the telescopic rod and the rotating disc drive the lifting frame and the rotating rollers to move, it is guaranteed that rolled pipe fittings are located in the center all the time, slight shaking and bending are prevented, and the forming quality of the pipe fittings is guaranteed.

The invention provides a digital pathological image scanner with a light source, which comprises an arc-shaped shell, a controller and an objective lens mechanism, and is characterized in that the bottom of the arc-shaped shell is provided with a rack, the rack is provided with a first screw rod, the first screw rod is provided with a first moving block, the first moving block is provided with a cleaning mechanism, and the first moving block is provided with a second cleaning mechanism; an inlet is formed in one side of the arc-shaped shell, a U-shaped frame used for sealing the inlet is arranged on the inner wall of the arc-shaped shell in a sliding mode, a first electric push rod, a second electric push rod and a moving mechanism are sequentially arranged on the bottom face of the partition plate, the first electric push rod is connected with a fan cover, and the second electric push rod is connected with an electrostatic suction head. The bottom of the moving mechanism is connected with an objective mechanism. The cleaning mechanism and the cleaning mechanism are adopted to ensure that the surface of the pathological tissue slide conveyed to the scanner objective lens is clean and dust-free and the upper surface of the slide close to the objective lens is not provided with static charges, and the objective lens is kept clean, so that the cleaning period of the scanner objective lens is shortened and the scanned image quality is improved.

The invention relates to the technical field of lithium battery production, in particular to a cap pressure welding device for lithium battery production, which comprises a processing table and a pressure welding mechanism arranged on the processing table, the processing table is provided with a blanking mechanism for welding to complete cap blanking, and a placing table is arranged below a discharge hopper of the blanking mechanism. A fixing frame used for storing a collecting box is fixedly connected to the top of the containing table, a moving table is arranged at the end, away from the fixing frame, of the side wall of the containing table, a transfer trolley used for containing the collecting box is arranged on the moving table, and a moving mechanism used for driving the transfer trolley to move at a fixed distance is arranged on the moving table. The collecting box can be automatically replaced and can be automatically placed on the transfer trolley, time and labor are saved, workers do not need to be on duty beside the machine for a long time, only the transfer trolley needs to be pushed away regularly, and the convenience performance of the device is greatly improved.

The present invention discloses a bonding tool for testing the bonding strength of battery adhesives, and relates to the technical field of battery testing. The present invention includes a panel, a pull plate 1, and a cell shell. Four panels are provided, and the bottoms of the four panels are fixedly connected to the upper end of the pull plate 1. The cell shell is arranged in the middle of the four panels. A cover plate is installed above the cell shell, and a pull plate 2 is fixedly connected to the upper end of the cover plate. A shaping mechanism is also provided on each of the panels. Through the setting of the shaping mechanism, a sealed cavity can be formed between four sealing strips in four directions and the cover plate and the surface of the cell shell, and then a colloid is injected into the sealed cavity, so that the thickness of the colloid can be uniform and the surface of the cell shell can be completely covered, thereby ensuring the accuracy of the test results.

The application discloses a kind of live wire electric fire simulation experiment device, including power supply, sliding rheostat, mounting bracket, experimental live wire and sensor;Power supply, sliding rheostat, experimental live wire are sequentially connected in series;Mounting bracket includes balance, the top of balance is fixed with two mounting seats, two mounting seats are slidably sleeved with stand, two stands are fixed with wire fixing mechanism, experimental live wire is detachably installed on stand by wire fixing mechanism;One stand is fixedly installed with insulation layer cutting mechanism, another stand is fixedly installed with wire changing mechanism, two wire fixing mechanisms are arranged between insulation layer cutting mechanism and wire changing mechanism. When using the application to carry out live wire fire simulation experiment, it is not necessary to manually replace the experimental live wire, and the operation is simple, which helps to improve the experimental efficiency.

The invention relates to the field of nut locking machines, in particular to an automatic nut locking machine for a charging gun, and solves the problems of self-adaption to nuts of different sizes and automatic clamping and locking at the same time. The automatic nut locking machine comprises a base, a driving air cylinder and a rotating disc, a fixing frame is fixedly mounted at the top of the base, and a control box is fixedly mounted on the outer side wall of the fixing frame; a locking component is fixedly installed on the inner top wall of the fixing frame, the locking component is fixedly connected with the output end of the driving air cylinder, and the driving air cylinder is fixedly installed on the top of the fixing frame. Through the arrangement of the locking part and the rotating disc, the charging gun nut can be automatically locked, the locking part can automatically clamp the nut, meanwhile, the device is suitable for arrangement of various nuts of different sizes, the flexibility of the device is improved, and the stability of the charging gun is guaranteed; and the phenomenon of locking failure or locking instability caused by shaking when the nut is locked is avoided.

The drawing device comprises a supporting shell, a first loading frame is slidably embedded in the upper portion of the inner wall of the supporting shell, two vertical rods at the top of the first loading frame slidably penetrate through the upper surface of the supporting shell, and a vertically-arranged outer cover is fixedly installed on the upper surface of the supporting shell; a balancing weight is attached to the upper portion of the inner wall of the outer cover, and the center of the lower end face of the balancing weight is vertically and fixedly connected with the upper end of a vertical rod of the first loading frame. The second loading frame is vertically arranged under the first loading frame, and the middle axes of the second loading frame and the first loading frame are each provided with a mouth mold in a sliding and penetrating mode. According to the drawing device for machining the heat-resistant cold heading steel wire and the operation method of the drawing device, the diameter size of the drawn steel wire can be detected in the using process, so that the machining quality of the steel wire is effectively guaranteed, and meanwhile, the device can automatically replace a damaged drawing die.

The invention discloses a programmable constant-temperature and constant-humidity test box based on uncooled infrared machine core assembly processing, and relates to the technical field of constant-temperature and constant-humidity test boxes, the programmable constant-temperature and constant-humidity test box comprises an experiment box, a placement groove is formed in the experiment box, a cover door is hinged to the outer side of the experiment box, and the programmable constant-temperature and constant-humidity test box further comprises a sensor assembly arranged in the cover door, the fixing plate is fixedly connected to the inner wall of the cover door, the outer side of the fixing plate is fixedly connected with a temperature sensor, an overtemperature protection sensor and a humidity sensor, the humidity sensor is sleeved with wet bulb gauze, and the outer side of the fixing plate is fixedly connected with a water tank; when the movable plate cleans the temperature sensor and the overtemperature protection sensor, the detection assembly detects the wet bulb gauze on the humidity sensor and detects whether the water absorption of the wet bulb gauze is kept within a specified range, and when it is detected that the water absorption exceeds the standard, the wet bulb gauze on the humidity sensor is automatically replaced through the replacement mechanism.

The present invention provides a parallel two-stage sterilizing filter element online integrity detection process, which belongs to the field of liquid preparation filter element detection technology. It solves the problems of low efficiency of online integrity detection of existing sterilizing filter elements, which leads to shutdown, and difficulty in replacing filter elements. The parallel two-stage sterilizing filter element online integrity detection process includes the following steps: step one, pure steam sterilization; step two, closed detection air circuit; step three, filter element cooling; step four, wetting treatment; step five, system isolation; step six, integrity detection; step seven, integrity detection again: step eight, filter element replacement; step nine, re-integrity detection; step ten, online integrity detection after use. The pipeline layout of the present invention is reasonable, and the integrity detection of the sterilizing filter can be efficiently performed; the parallel two-stage redundant sterilizing filter design avoids shutdown, and the filter element replacement equipment cooperates with the sterilizing filter to facilitate the rapid replacement of the filter element.

The utility model relates to a preservative film rewinding device. A second guide inclined plate is matched with a moving assembly to facilitate replacement of a rewinding drum, when the rewinding drum is replaced, a reciprocating lead screw controls a rewinding structure to move to a preset position, an electric push rod controls a moving plate to move in the direction of the second guide inclined plate, a second limiting inclined block pushes a connecting block, a Y-shaped supporting frame in the vertical state inclines, and the rewinding drum is replaced. After the rewinding drum slides into the clamping groove, an electric push rod controls a movable plate to be away from a second guide inclined plate, when a torsional spring is reset, a Y-shaped supporting frame is synchronously driven to be reset to be in a vertical state, the electric push rod drives the movable plate to move towards the rewinding structure, and then the rewinding drum is driven to move towards the rewinding structure; and through cooperation of the second guide inclined plate, the moving assembly and the rewinding structure, the rewinding barrel can be automatically replaced.

The invention provides a bidirectional physical examination percussion hammer, and belongs to the field of medical equipment. Comprising a first handle, a second handle and a hinge part, the first handle and the second handle are arranged in a crossed mode, and the top ends are rotationally connected through the hinge part; the upper end of the hinge part is fixedly connected with a knocking assembly; and the knocking assembly comprises a main shell fixedly connected to the upper end of the hinge part, the outer surface of the left side of the main shell is fixedly connected with a micro air pump, and one side of the interior of the main shell is fixedly connected with a partition plate. According to the percussion device, the knocking assembly is arranged, when percussion work is conducted, medical staff can control the knocking height and the percussion strength in a standardized mode, percussion specifications are more uniform, the problem that some doctors with insufficient medical experience misdiagnose due to non-standard operation can be solved to a great extent, meanwhile, due to automatic control over the percussion strength, the percussion efficiency is improved, and the percussion efficiency is improved. And the problem that standardized percussion cannot be achieved due to the fact that different medical staff judge different percussion forces can also be avoided.

The new energy automobile comprises an automobile underframe, an automobile body, a connecting frame, wheels, a power motor and a battery pack, the automobile body is fixedly connected to the top of the automobile underframe, the connecting frame is fixedly connected to one end of the automobile underframe, the wheels press the outer side of the connecting frame, and the power motor is connected with the battery pack. The power motor is fixedly connected to the interior of the connecting frame, the battery pack is arranged in the vehicle underframe, and the vehicle underframe comprises a frame body, a mounting plate, a mounting block, a take-up box, an air cylinder, a circuit board, a fixing plate, a first supporting plate, a threaded rod, a second supporting plate, a rotating rod, a gear block, a fixing block and a first motor. According to the invention, the operation structure is simple, the battery pack is convenient to replace, fixing and circuits are separately treated, the effect of quickly mounting and dismounting the battery pack can be achieved, the effect of automatically replacing the battery can be achieved by matching with a robot for bolt dismounting and mounting, the use is stable, and the battery replacement safety is high.

The invention discloses sensor production welding equipment and a using method thereof, and relates to the field of welding equipment.The sensor production welding equipment comprises a bottom plate, the output end of a double-shaft air cylinder is in transmission connection with a mounting assembly, the top of the bottom plate is fixedly connected with a bearing seat for storing a welding head, a mounting shell is arranged at the bottom of a mounting support, and a heating coil is connected to the outer portion of the welding head in a sleeving mode; the clamping assembly is arranged in the mounting shell and used for clamping and locking the welding head, and the unlocking assembly is arranged on the mounting shell and used for unlocking the clamping assembly. By means of the arrangement mode that the mounting support, the moving assembly, the double-shaft air cylinder, the mounting assembly and the welding head are matched, the moving assembly and the double-shaft air cylinder drive the mounting assembly to horizontally move and move up and down, under the limitation of the guide column, the descending mounting assembly relieves unlocking of the welding head, the mounting assembly can clamp and assemble the welding head through ascending movement, and the welding head can be conveniently assembled. And therefore, the welding head is automatically replaced.

The utility model discloses a gilling machine creeling device which comprises a device body, a bottom plate is installed at the bottom end of the device body, a group of gilling machine bodies are installed at the top end of the bottom plate, and a wire rod device is installed on one side of each gilling machine body, and the gilling machine creeling device is characterized in that a controller and a timer are installed on one side of each gilling machine body; according to the wool top can conveying device, wool top cans can be automatically conveyed through the arranged conveying device, meanwhile, the arranged limiting plate can play a role in limiting the wool top cans, under the action of the limiting plate, the wool top cans can be automatically replaced, and new wool top cans can be added at any time and placed on the conveying device, so that time is saved, and the working efficiency of the wool top can be improved; the wool top loading time of each group of wool top cylinders can be controlled through the arranged timer, so that the wool tops can be automatically replaced, people do not need to observe the loading condition of the wool tops at any time to carry out cylinder replacement operation, the labor amount of workers is reduced, and the use is more convenient.

The utility model discloses a follow-up nozzle mechanism of a grinding machine, and aims to overcome the defect that in the prior art, when a cooling nozzle needs to be replaced, the machine needs to be stopped firstly, and then the cooling nozzle is replaced manually, so that the production efficiency is reduced. According to the technical scheme, the automatic nozzle replacing device comprises a servo transmission mechanism, an automatic nozzle replacing mechanism arranged at the movable end of the servo transmission mechanism and a library for storing different types of nozzles. According to the cooling nozzle replacement device, the cooling nozzle can be automatically replaced, the steps of shutdown for replacement of the cooling nozzle and the like are omitted, the efficiency of replacement of the cooling nozzle is effectively improved, and then the production efficiency is improved; moreover, a plurality of cooling nozzles of different types and models can be arranged on the nozzle library, so that the cooling nozzles can be replaced according to actual production requirements.

The utility model relates to a semi -automatic probe contact test machine belongs to chip production test technical field, in order to solve the effective contact area between probe end and chip pad in long -term continuous use process is reduced significantly, the contact resistance between both is increased sharply and stability is poor, forms local concentrated heating, leads to the problem that the precision circuit, metal connection and semiconductor structure in chip interior are damaged by heat, the invention includes test platform and the mobile piece of installation in test platform one side, one side of mobile piece is provided with buffer seat, and the probe platform is installed in one side of buffer seat, the utility model is through setting up memory alloy in the electrically conductive cylinder, utilizes the characteristics that probe wear leads to contact resistance increase, local concentrated heating, makes memory alloy heat phase change and pulls the probe automatic retraction, and the contact of probe and chip pad is disconnected quickly, avoids the chip internal circuit and melts pad from high temperature burnout fundamentally, significantly improves the safety and reliability of chip test process.

The utility model relates to the technical field of microbial fuel cells, in particular to a liquid changing device for a microbial fuel cell. The utility model provides the liquid changing device for the microbial fuel cell, which can automatically change electrolyte in the anode chamber and the cathode chamber, is simple to operate, improves the accuracy of adding the electrolyte and improves the convenience of using the device. A liquid changing device of a microbial fuel cell comprises an anode chamber, a cathode chamber, an exchange membrane and the like, the right side of the anode chamber is connected with the cathode chamber, and the exchange membrane is connected between the anode chamber and the cathode chamber. The electrolyte in the liquid changing bottle is sucked into the liquid injection pipe through the water pump according to the scales on the liquid changing bottle and flows into the anode chamber and the cathode chamber, the water pump is closed after the electrolyte is sucked to the positions of the scales on the liquid changing bottle, and air is exhausted through the air exhaust pipe, so that the electrolyte in the anode chamber and the cathode chamber can be automatically changed, the operation is simple, and the efficiency is high. And the accuracy of adding the electrolyte is improved, and the convenience of using the device is improved.

The invention provides bone marrow blood collecting and filtering equipment, and belongs to the field of bone marrow blood collection, the bone marrow blood collecting and filtering equipment comprises a fixing frame component, the fixing frame component is detachably connected with a main pipeline and an injection head, the main pipeline is further detachably connected with a medicine storage bottle through an injection pipeline, the medicine storage bottle is filled with heparin liquid, and the injection head is detachably connected with the main pipeline. A fixed pressure component is installed on the injection pipeline, a collecting component is detachably installed at the end, away from the fixing frame component, of the main pipeline, and the collecting component can automatically collect spinal cord blood. The heparin liquid in the medicine storage bottle can be automatically sucked, the bone marrow blood is sucked and flows through the multi-stage filter and can be filtered to obtain relatively pure hematopoietic stem cells, so that the device can realize highly automatic collection of the bone marrow blood without repeatedly replacing an injector and a tedious artificial bone marrow blood filtering process; and the dependence on medical staff is reduced.

The present invention discloses a device and method for repairing chromium-contaminated water bodies, and the present invention relates to the technical field of repairing chromium-contaminated water bodies, comprising a conversion cylinder, wherein the outer wall of the conversion cylinder is fixedly connected to a plurality of support frames, the inner wall of the bottom end of the conversion cylinder is rotatably connected to a rotating tube, and the top side wall of the conversion cylinder is fixedly connected to a water pump. The present invention can filter large impurities in the chromium-contaminated water body by using a filter plate during the process of repairing the chromium-contaminated water body, and can detect whether the filter plate is blocked, and after detecting that the filter plate is blocked, the impurities blocked in the filter hole can be extracted, and when it is detected that the activated carbon plate needs to be replaced, the activated carbon plate can be automatically replaced, so as to avoid the need to stop the discharge of the chromium-contaminated water body when the activated carbon plate is replaced manually, thereby greatly increasing the repair efficiency of the chromium-contaminated water body.

This invention provides a cutting device capable of automatically changing plates. A cutting device for cutting a workpiece using a cutting tool includes: a chuck table for holding a plate with grooves formed by the cutting tool; a cutting unit having a spindle and a mounting flange fixed to the front end of the spindle for mounting the cutting tool; and a changing device for changing the cutting tool mounted on the mounting flange and stored in a tool storage section, and for changing the plate placed on the chuck table and stored in the plate storage section. The changing device has a holding section for attracting and holding the cutting tool and the plate, the holding section having: a tool attraction pad that contacts the cutting tool or a base for fixing the cutting tool to attract and hold the cutting tool; and a plate support section that protrudes outward from the front end of the tool attraction pad to support the plate.

The invention relates to an insulator with an electric leakage monitoring function and a monitoring method.The insulator comprises a first box body and a control center, detection cavities are formed in the two sides of the first box body, the tops of the detection cavities are connected with first door plates through electric hinges, first telescopic rods are arranged at the bottoms of the detection cavities, the first telescopic rods are connected with insulating media through insulating blocks, and current sensors are arranged on the insulating blocks; a second box body is arranged at the top of the insulating medium, an electric gear is arranged in the second box body, racks are meshed with the upper side and the lower side of the electric gear respectively, the far-away ends of the two racks penetrate out of the opposite side walls of the second box body respectively and are connected with two chucks respectively, and wire clamping grooves are formed in the opposite faces of the chucks respectively; the chuck is slidably arranged on the top outside the second box body, and the control center is electrically connected to the current sensor, the first telescopic rod, the electric gear and the electric hinge. According to the invention, the electric leakage condition of the insulator can be monitored in the use process, when electric leakage occurs, a new insulator can be rapidly and automatically replaced, and the use safety is high.

The present invention relates to the technical field of sewing machines, and in particular to an automatic bottom thread changing device for sewing machines, which comprises a base, a shuttle grabbing mechanism for grabbing a bottom thread box, and an actuator for driving the shuttle grabbing mechanism to approach or move away from a sewing machine body. The present invention has the effect of improving production efficiency.

The invention discloses an etching processing device and method for a circuit board. The etching processing device comprises a conveying mechanism, an etching processing chamber, a spray pump and a nozzle. The etching processing chamber has an etching liquid storage chamber located below the conveying mechanism; and also comprises an etching liquid viscosity detection device. The etching liquid viscosity detection device comprises a controller, a detection pump, a conveying pipe, a first pressure detection gauge and a second pressure detection gauge. A detection liquid suction port and a detection liquid discharge port are arranged on the chamber wall of the etching liquid storage chamber. The suction end of the detection pump is connected to the detection liquid suction port of the etching liquid storage chamber, the liquid discharge end of the detection pump is connected to one end of the conveying pipe, and the other end of the conveying pipe is connected to the detection liquid discharge port of the etching liquid storage chamber; the first pressure detection gauge and the second pressure detection gauge are both installed on the conveying pipe and are both electrically connected to the controller; the invention is provided with an etching liquid viscosity detection device, which can detect the viscosity of the etching liquid in time, and can know in time whether the viscosity of the etching liquid meets the use requirements.

A communication cabinet with a moisture-proof function relates to the technical field of communication cabinets, and comprises a communication cabinet body with ventilation holes on both sides, a blowing device, a hygroscopic plate replacement device, a hygroscopic plate storage box and a hygroscopic plate recovery box arranged inside the communication cabinet body; the blowing device comprises a sealing plate slidably mounted on the communication cabinet body and intermittently closing the ventilation holes, a lifting mechanism for driving the sealing plate to rise and fall, a temperature and humidity sensor fixedly mounted on the communication cabinet body, and an air inlet fan and an air outlet fan respectively mounted on the ventilation holes on both sides; the hygroscopic plate replacement device comprises a supporting frame fixedly mounted inside the communication cabinet body, a rotating mechanism arranged on the supporting frame, two servo bidirectional lead screws arranged on the rotating mechanism, a clamping plate slidably mounted on the servo bidirectional lead screw, a double-axis manipulator installed inside the communication cabinet body, and an electric clamp driven to move by the double-axis manipulator; the inside of the communication cabinet body of the present invention can dissipate heat and dehumidify.