4771results about "Electronic waste recycling" patented technology

The present invention relates to the technical field of cable processing. Disclosed is a cable processing device. The cable processing device comprises a waste cable conveying module, a fixed base is provided in front of the waste cable conveying module, a support base is provided at the front end of the fixed base, and a cable sheath cutting module is provided above the fixed base. In the present invention, a waste cable sheath can be quickly stripped, the stripped cable sheath can be directly cut off after stripping, and the length specification of the cut sheath is kept consistent, thereby simplifying the processing procedure during waste cable recovery, saving the processing and operation time, and effectively improving the processing efficiency of waste cables.

The present invention relates to the technical field of cable production, and discloses a cable twisting machine, including a base plate, on which a motor, a conductor frame, a wire dividing wheel, a wire lead wheel and a combining mold are arranged, a rotating shaft is fixedly mounted on the output shaft of the motor, and the rotating shaft passes through the conductor frame, the wire dividing wheel and the wire lead wheel respectively, a cable is arranged on the conductor frame, and the cables are respectively twisted into cables through the wire dividing wheel and the wire lead wheel in the combining mold, a through hole is arranged in the wire dividing wheel, and a first connecting frame and a second connecting frame are respectively arranged in the through hole, and a fixed wheel is arranged below the first connecting frame. In the present invention, when the cable breaks and returns, the fixed wheel instantly reverses to trigger a reverse limiting mechanism, and the downward movement of the stabilizing frame in the mechanism can form a U-shape with two movable wheels, which can block the cable from splashing out of the wire dividing wheel, and avoid the cable from being entangled in the machine due to the huge rebound force after the breakage, and prevent the injury to the staff.

The invention discloses a high-voltage cable test detection device, and belongs to the technical field of cable detection, the high-voltage cable test detection device comprises a test board, a clamping guide assembly is arranged in the center of the top of the test board, fixing rings capable of freely moving are arranged on the two sides of the clamping guide assembly, and a feed assembly is arranged on one side of each fixing ring. According to the device, by arranging a conversion cutter collecting assembly, a trigger ball can move under the pressure of an insulating layer, the trigger ball drives a clamping groove to move through a moving rod, a laminating wheel and a sliding block, so that the clamping groove is separated from a sliding disc, then the sliding disc is driven by a third spring to move upwards, and the sliding disc drives a mounting frame to move; the mounting frame drives the connecting rod to move, the connecting rod drives the cutter to retract, and the cutter is prevented from cutting an internal metal piece, so that the safety and accuracy of insulating layer stripping are improved, damage to a high-voltage cable is avoided, and the accuracy of a test result is improved.

The present invention mainly relates to the technical field of cable stripping. Disclosed are a cable stripping device and a stripping method. The cable stripping device comprises a sleeve and a first rotary disk, the first rotary disk being radially provided with several support rods, each support rod being rotatably connected to a roller in rolling contact with the side surface of a cable, and to a cutting blade used in cooperation with a cable sheath. The cable stripping device further comprises a second rotary disk, the second rotary disk being provided with arc-shaped grooves in sliding contact with the support rods. One end of the first rotary disk is provided with a center shaft rotatably connected to the sleeve, and protrusions are symmetrically provided at one end of the center shaft; a base is provided with an annular groove in a circumferential direction and a helical groove in communication with the annular groove; and the protrusions sequentially slide on the annular groove and the helical groove, thus respectively driving the cutting blades to move on the surface of the cable in a circumferential direction and helically in an axis direction. The beneficial effects of the present invention lie in: solving the problem of inconvenient stripping in existing stripping devices, and improving the cable stripping efficiency and effect.

The invention relates to the technical field of positioning and clamping, in particular to a positioning and clamping device for a circuit board unloading machine. Comprising a plate unloading machine, the plate unloading machine comprises a lifting section and a feeding section, and a material frame is placed in the lifting section; a clamping mechanism is arranged on the feeding section; through the clamping mechanism, the problem of inaccurate positioning caused by deviation, rotation or deformation of the circuit board in the prior art is effectively solved. The clamping mechanism adopts a cooperative working mode of a positioning block and an extrusion plate, a deformed circuit board is leveled through a rubber ball at the lower end of a pressing strip, then the positioning block is used for clamping and positioning from the left side and the right side and the extrusion plate from the front-back direction, and comprehensive control over the four free edges of the circuit board is achieved. Position deviation in the conveying process can be corrected, the device can adapt to the board bodies deformed in the moving process, and it is ensured that the circuit boards can be accurately inserted into the material frame.

The invention discloses a cable conductor damage repairing device and a repairing method thereof, and relates to the technical field of cable maintaining.The cable conductor damage repairing device comprises a base, a vertical plate is fixed to the top of the base, a cable base is fixed to one side of the vertical plate, a placing groove is formed in the top of the cable base, and a cable is placed in the placing groove; one side of the vertical plate is provided with an automatic glue spraying mechanism for automatically spraying glue to repair the damaged part of the cable; the invention relates to the technical field of cable maintenance. According to the cable conductor damage repair device and the repair method thereof, through the arrangement of the automatic glue spraying mechanism, the repair glue solution is automatically sprayed to the damaged part of the cable conductor, the damaged part is covered with the repair glue solution, manual glue coating repair is not needed, the automation degree is high, the glue spraying repair efficiency is greatly improved, and the labor intensity of workers is reduced. The glue spraying gun is driven to perform repeated glue spraying in a reciprocating manner in the horizontal direction through the arrangement of the driving reciprocating assembly, so that the repair glue solution can cover the damaged part in a large area, and further damage repair treatment of cables with different damage conditions is facilitated.

The invention relates to the technical field of wire harness processing, and discloses a wire harness peeling device for wire harness processing, which comprises a mounting rack and a mounting frame fixedly connected to the mounting rack, a mounting ring is fixedly connected in the mounting frame, and a cutting box is rotatably connected in the mounting ring. In the annular cutting process of the wire harness skin, the skin is stably clamped and fixed through a clamping mechanism in a clamping and peeling box, meanwhile, the clamping and peeling box is driven by a driving mechanism to move in a mounting frame, and a transmission mechanism on the clamping and peeling box drives the clamping and peeling box to rotate while moving; according to the wire harness peeling device, the clamping blocks are arranged, so that the clamped and fixed skin is snapped under the action of pulling force and twisting force of the clamping blocks, the skin does not need to be completely cut off by an annular cutter, a certain distance is kept between the annular cutter and a wire in a wire harness, a copper wire in the wire harness is prevented from being damaged by the annular cutter, the wire harness peeling quality is improved, and meanwhile the snapped skin is driven to be separated.

The invention relates to the technical field of cable terminal connection, in particular to cable assembly automatic insertion equipment which comprises a machining table, and a fixing unit used for fixing a terminal and a cable is arranged at the upper end of the machining table. The control assembly can control the cutting depth of the stripping knife according to the thickness of the cable skin, it is guaranteed that the cable skin is fully and effectively cut, meanwhile, smooth removal of the cable skin is facilitated, the situation that a wire harness conductor is damaged due to excessive cutting of the stripping knife can be avoided, and the quality of the wire harness conductor is guaranteed; the wire harness conductor exposed outside after peeling is limited and hooped through the hooping assembly, so that the situation that the peeled wire harness conductor is difficult to insert into a terminal slot due to outward scattering can be effectively prevented, the uniformity of the wire harness is improved, and meanwhile, the wire harness conductor is prevented from being damaged. The hooping assembly can maintain the limiting state of the wire harness conductor after the cable is inserted into the terminal slot and move reversely relative to the cable, thereby ensuring that the wire harness conductor is quickly and smoothly inserted into the terminal slot in a tidy state.

The invention discloses a wire breakage alarm mechanism of a steel wire winding machine, and belongs to the technical field of steel wire winding, the wire breakage alarm mechanism of the steel wire winding machine comprises a connecting bottom plate, a steel wire winding mechanism is fixedly connected to one side of the top of the connecting bottom plate, and a steel wire winding main body is wound on the steel wire winding mechanism; a supporting frame assembly is fixedly connected to the center of the top of the connecting bottom plate, a rotating frame assembly is rotatably connected to the supporting frame assembly, a clamping and fixing mechanism is slidably connected to the rotating frame assembly, and a detection and alarm mechanism is fixedly connected to the clamping and fixing mechanism. By designing the clamping and fixing mechanism and the detecting and alarming mechanism, when a winding steel wire body is broken, two connecting copper sheets are attached to each other to achieve circuit conduction, two alarms give an alarm after being powered on, meanwhile, the clamping and fixing mechanism is designed, and the multiple steel wire clamping rods can be fixed; and the device is always located at the central position.

The invention discloses a continuous straightening device for copper wire production, which comprises a first connecting box, a second connecting box is fixedly mounted at one end of the first connecting box on the upper surface of the first connecting box, and a traction rolling mechanism can perform 360-degree rolling straightening on the outer surface of a drawn copper wire. A plurality of n-shaped frames are fixedly installed on the upper surface of a connecting box of the continuous straightening mechanism and the traction rolling mechanism, and the continuous straightening mechanism is installed in the n-shaped frames in a transmission mode, so that the continuous straightening mechanism can pull continuously produced copper wires into the traction rolling mechanism, and the traction rolling mechanism is fixedly installed on a second connecting design. In the copper wire straightening process, the continuous straightening mechanism accurately straightens the straightness of the copper wire through the multi-angle pressure synergistic effect, deformation such as bending and twisting is eliminated, and preliminary straightening is completed; and then, the mechanism conducts 360-degree rolling on the outer surface of the copper wire, secondary fine correction is conducted, and finally the high-precision and high-quality straightened copper wire is produced.

The invention discloses an automatic lifting device for an anti-winding bypass cable. The automatic lifting device comprises a first mounting side plate and a second mounting side plate which are symmetrically arranged, a motor is mounted on the outer side of the first mounting side plate, and an eddy current sensor bracket is mounted on the inner side of the first mounting side plate; a battery and a circuit board are mounted on the outer side of the second mounting side plate; a reduction gear and a driving gear are mounted on the first mounting side plate, a winding reel is mounted on the reduction gear, and a winding reel gear is mounted on the winding reel; a reversing shaft, a first tensioning wheel shaft and a second tensioning wheel shaft are jointly installed between the first installation side plate and the second installation side plate. The automatic lifting device for the anti-winding bypass cable has remarkable advantages in the aspects of anti-winding performance, operation convenience, position control precision, structural stability, safety, operation efficiency and the like, a better solution is brought to the field of circuit maintenance equipment, and the overall level of circuit maintenance and maintenance operation can be improved.

The invention relates to the technical field of terminal and wire harness crimping, in particular to a connector terminal and wire harness crimping device which comprises a conveying belt, right-angle supporting plates are connected to the conveying belt in a bilateral symmetry mode, spacer block sets are arranged on the conveying belt in a bilateral symmetry mode, and each spacer block set is composed of a plurality of evenly-arranged spacer blocks. Supporting columns are symmetrically fixed to the bottom of the vertical section of each right-angle supporting plate in the front-back direction, a pressing connection mechanism and a straightening mechanism are sequentially arranged on the horizontal section of each right-angle supporting plate in the front-back direction, and an anti-falling mechanism is arranged between the horizontal sections of the two right-angle supporting plates. In the process that the clamping component clamps the two ends of the wire harness, the inner clamping jaw compresses the V-shaped spring piece under the resistance of the wire harness to form self-adaptive clamping force, then the horizontal column continues to move outwards and pulls the two ends of the wire harness to be tightened, gathering and straightening of a conductor are achieved, it is ensured that the shape of the wire harness meets the crimping condition before crimping, and the crimping quality of the wire harness is improved. Therefore, the conductivity and the tensile strength of the crimping area after crimping are improved.

The invention relates to the related technical field of circuit board laser marking, in particular to a circuit board laser marking auxiliary positioning device which comprises a processing box body, a laser frame and a laser marking machine, a processing table is arranged at the position, located at the bottom of the laser marking machine, of the processing box body, and a connecting rod positioning assembly is arranged at the top of the processing table; the connecting rod positioning assembly is used for positioning and clamping the periphery of the circuit board, the connecting rod positioning assembly further comprises a positioning block and a square rotating plate, and a discharging cleaning assembly is arranged at the bottom of the positioning block. The rotation of the square rotating plate can synchronously pull the four limiting sliding blocks and the positioning blocks on the limiting sliding blocks to strictly move towards the direction of the center shaft of the mechanism along the guide rails of the limiting sliding blocks, precise synchronous gathering movement is formed, the periphery of a circuit board is evenly and stably clamped, the circuit board is cleaned before and after positioning, and the marking quality of the circuit board is improved.

An aluminum foil stripping device for stripping aluminum foil exposed from one end of a cable includes a fixture, a single laser machine, a pair of cutters, and a grasping mechanism. The fixture is adapted to clamp and fix the cable. The single laser machine is adapted to cut a pre-cut on the exposed aluminum foil of the fixed cable to release the tension of the aluminum foil. The pair of cutters are adapted to simultaneously cut the aluminum foil each of two sides of the exposed aluminum foil, wherein a cutting position of the pair of cutters is aligned with the pre-cut. The grasping mechanism is adapted to grasp the exposed aluminum foil and separate it from the cable at the cutting position by at least one of oscillating or pulling the aluminum foil to remove it from the cable.

The invention relates to the technical field of wire harness processing, and discloses an electronic wire harness terminal crimping device which comprises a conveying structure, a wire stripping mechanism and a clamping mechanism are sequentially arranged on one side of the conveying structure in the conveying direction, and the wire stripping mechanism comprises two wire stripping rods which are coaxially and elastically connected and shearing ends located at the front ends of the two wire stripping rods. A control structure is arranged below the wire stripping rods, the control structure comprises a transmission part which moves horizontally, the transmission part is fixed with the wire stripping rods through two steel wires, the transmission part comprises two sections of movement trends, the first section drives the two wire stripping rods to move oppositely to shear a cable, and the second section drives the whole wire stripping rods to move towards one side far away from the conveying structure. And the sheared insulation skin is pulled out. The position of the end part of the steel wire is controlled through the telescopic rod, so that the position transmission of the wire stripping rod is realized, the cutting of the cable insulation skin and the stripping operation of the insulation skin are realized, and the device is simple in structure and low in operation cost.

The invention relates to a multi-objective collaborative waste household appliance disassembly resource optimal configuration method and system. The configuration method comprises the following steps of: obtaining a multi-objective collaborative waste household appliance disassembly resource; s1, predicting the number of recycled waste household appliances; s2, predicting a disassembly product; s3, making a disassembling plan; s4, establishing a resource optimization configuration model; s5, solving by a hybrid genetic simulated annealing algorithm; and S6, monitoring and adjusting the whole process.

The present invention relates to a single container type single glass photovoltaic module recycling device, which includes a container, a loading device, a junction box removal device, and a glass removal device. On the one hand, the present invention is based on the loading device, the junction box removal device, and the glass removal device arranged in the same container, that is, the on-site cell recovery of the frameless single glass module is completed under the premise of effectively reducing the container restriction factor; on the other hand, under the same benchmark, the flat feeding of the photovoltaic module and the flat discharging of the cell are maintained, and the preheated single glass module is successively subjected to a slotting cutting group and a sweeping cutting group to remove the glass layer in a covering and pushing manner, which not only reduces the probability of cell breakage or damage, but also the formed glass peeling rate exceeds 98%.

The invention discloses a double-station circuit board beveling machine, and relates to the technical field of circuit board processing equipment.The double-station circuit board beveling machine comprises a first base and a first tool apron, and the first tool apron is supported on the first base through a tool apron displacement assembly; the tool apron displacement assembly comprises a first left-right translation module, a first height adjusting module and two first front-back displacement modules which are symmetrically arranged, and the first left-right translation module and the first height adjusting module drive the two first tool aprons to integrally displace in the Y-axis direction and the Z-axis direction; each first front-back displacement module can independently drive a first worm and gear rotation device to move in the Y-axis direction, the first worm and gear rotation device rotates the angle of a first tool apron, angle adjustment is completed, a double-tool-apron structure which is symmetrically arranged up and down can synchronously cut the upper edge and the lower edge of a circuit board at the same time, and a three-axis movement system is matched, so that the machining efficiency is improved. And a worm and gear angle adjusting mechanism is combined, so that positioning is more accurate, and precision is higher.

The invention relates to the field of crimping machines, in particular to a cable crimping machine for electric power engineering construction, which comprises a crimping machine seat, a fixed seat, a lower die seat and an upper die seat, a fixing seat with a U-shaped structure is mounted on the crimping machine seat; the crimping machine base is provided with a hydraulic rod body; the hydraulic rod body penetrates through the fixing base and is provided with a lower die base. An upper die base is installed on the upper portion of the fixing base. A crimping space is formed between the lower die holder and the upper die holder; the device further comprises a telescopic driving part. Two pairs of telescopic driving pieces which are distributed up and down are mounted on the side wall of the fixed seat; the telescopic ends of the upper pair of telescopic driving pieces are jointly connected with an upper limiting seat, and the telescopic ends of the lower pair of telescopic driving pieces are jointly connected with a lower limiting seat. The upper limiting seat and the lower limiting seat are close to each other to clamp and support the cable shell part on one side of the crimping position, and the cable shell part on the other side of the crimping position can be lifted by one worker in an auxiliary manner, so that the use of personnel is reduced.

The invention relates to a waste photovoltaic panel recycling method which comprises the following steps: crushing a waste photovoltaic panel until the size of the waste photovoltaic panel is 80-160 meshes, and preparing powder; carrying out acid leaching treatment on the powder, and respectively collecting a leaching solution and a solid material; an acid leaching solution adopted in the acid leaching treatment is a mixed acid aqueous solution of hydrochloric acid and sulfuric acid; the pH of the leachate is adjusted to be neutral with an alkaline agent, then the leachate is mixed with metal iron to be subjected to a replacement reaction, and metal copper is prepared; the solid material is mixed with water, hydrofluoric acid and a flotation agent are added into the obtained mixture for flotation treatment, floats and precipitates are collected respectively, the floats comprise silicon powder, the precipitates comprise glass powder, and the flotation agent comprises one or two of hexadecyl potassium hydrogen phosphate and sodium dodecyl sulfate. According to the recycling method, the silicon powder, the glass powder and the metal copper can be comprehensively recycled from the waste photovoltaic panel.

The present invention discloses an automatic cable reeling device, comprising a bracket, on which a cable reeling mechanism and a cable arranging mechanism that cooperate with each other are arranged; when working, the cable reeling mechanism receives the cable, and the cable arranging mechanism arranges the cable on the cable reeling mechanism; the present invention greatly reduces the number of manpower and improves work efficiency, especially when a large high-voltage cable needs to be reeled in, it is more efficient than a manual reel, and creates good management conditions for the management of cables in a warehouse.

The utility model belongs to the field of circuit board processing, in particular to a PCB circuit board V-cut plate dividing mechanism. In view of the problem that dust and debris will be splashed when the PCB circuit board is subjected to V-cut operation, affecting the safety of the surrounding environment and the staff, and the PCB circuit board cutting is generally performed manually, which is easy to cause safety hazards to the staff, the following scheme is proposed, which includes a No. 1 motor, a connecting plate and a cutting knife, the bottom of the No. 1 motor is fixedly connected to a bottom plate by bolts, and the top side of the bottom plate is fixedly connected to the No. 1 plate, and the output shaft of the No. 1 motor passes through one side of the No. 1 plate, so that the automatic movement and cutting of the circuit board are realized, and the production efficiency is improved. Moreover, the shaking and dislocation in the cutting process are effectively prevented by stably clamping the circuit board, and the shielding cover provided at the same time can effectively prevent the debris generated in the processing process from splashing, so as to protect the safety of the operator.

The invention discloses a recovery device and a recovery method for a photovoltaic multi-layer stacked assembly. The recovery device comprises a dismounting unit, a pyrolysis unit and a waste gas treatment unit which are arranged in sequence, the pyrolysis unit comprises a tunnel kiln, a bearing assembly and a conveying assembly. The recycling method comprises the steps that S1, the disassembling unit is used for disassembling, and the frame is stripped; s2, the photovoltaic multi-layer laminated assembly is sent to a pyrolysis unit for pyrolysis, and a glue film layer in the photovoltaic multi-layer laminated assembly is removed; and S3, the waste gas is discharged after being treated. By means of the innovative disassembling system, the multi-plate stacking tunnel kiln pyrolysis scheme and the multi-stage waste gas treatment system, the industrial production capacity of treating 1-3 tons of photovoltaic panels per hour can be achieved, the pyrolysis effect is good, the silicon material recovery rate can reach 98.5% or above, energy consumption is low, and the tail gas emission index is superior to the national standard by 50% or above.

The invention relates to automatic color separation equipment for multi-core wires, which comprises three key parts: a first clamping device which is provided with a clamping jaw, a Z-axis moving device and a Y-axis moving device and can accurately position and grab the multi-core wires; the camera module is used for identifying the color of the multi-core wire and flexibly marking a serial number by using a high-precision image acquisition and color identification algorithm; the second clamping device comprises a fixing claw and a first fixing position with a limiting groove. During working, the Y-axis moving device is started according to presetting and cooperates with the Z-axis moving device for positioning, the clamping jaw grabs the multi-core wire, and the camera module recognizes and sorts the multi-core wire. And then, the first clamping device places the wire to a limiting groove of the second clamping device in sequence, and finally, the wire is clamped and fixed by a fixing claw, so that binding and ending are facilitated. The equipment is accurate in color separation, sorting and fixing of multi-core wires, meets the special requirements of electronic device connection, and greatly improves the wiring efficiency and accuracy.

The invention discloses a novel device and method for intelligently disassembling a waste photovoltaic silicon cell panel. The device comprises two layers of transmission rollers and a conveying belt penetrating through the two layers of transmission rollers. The main control board is integrated with a fuzzy controller and a PID (Proportion Integration Differentiation) controller, a hierarchical decision algorithm and a BP (Back Propagation) neural network are deployed on the main control board, the PID controller is connected with the fuzzy controller, and the BP neural network is used for dynamically adjusting PID parameters of the PID controller; the support is fixedly provided with a six-axis servo motor, a back plate collecting bin, an air cooling fan and a copper solder strip absorbing device, the six-axis servo motor is fixedly connected with a vacuum suction cup array, the air cooling fan is fixedly provided with an infrared imager, and the support is provided with a double-layer heat cutter head. A resistance heating module and an electromagnetic induction heating module are nested on the outer surface of the double-layer hot cutter head, and a pressure sensor, a laser sensor and a temperature sensor which are fixedly connected with the main control board are fixedly arranged on the outer surface of the double-layer hot cutter head. According to the invention, the waste photovoltaic silicon cell panel can be intelligently and accurately segmented, the dependence on manpower is reduced, and high-quality recovery of the silicon cell panel is realized.

The invention discloses an intelligent appearance detection device for a printed circuit board, and is applied to the technical field of appearance detection of the printed circuit board. Comprising a detection table, a conveying mechanism arranged at the top of the detection table, a plurality of brackets fixed in the conveying mechanism, a detection mechanism and two sets of first overturning assemblies arranged on one side of the conveying mechanism, and two sets of cleaning mechanisms arranged on the other side of the conveying mechanism, and the first overturning assemblies and the cleaning mechanisms are oppositely arranged; the detection mechanism is used for obtaining a surface picture of a circuit board and identifying and judging the obtained picture, the first overturning assembly is used for overturning the circuit board which is detected to be qualified, and the cleaning mechanism is used for removing dust and chippings on the surface of the circuit board and overturning the circuit board; the detection mechanism comprises a three-axis driving seat and a camera, the camera is electrically connected with an identification and judgment module, and the identification and judgment module is used for acquiring a shot picture and identifying wrinkles and dust on the surface of the circuit board; according to the invention, the appearance detection efficiency and quality of the printed circuit board can be improved.

The invention belongs to the technical field of high-altitude wiring, and particularly relates to an auxiliary wiring device for an overhead cable, which comprises a bottom plate, a lifting mechanism and a top plate, the bottom plate is connected with the top plate through the lifting mechanism, the top plate is provided with a wire pulling piece and a guardrail, the guardrail is arranged at the top of the top plate, and the wire pulling piece is arranged at the bottom of the top plate. The two ends of the guardrail are provided with guiding pieces used for guiding the cable, the middle of the guardrail is further provided with a positioning mechanism and a bearing mechanism installed on the positioning mechanism and used for bearing and fixing the cable, and the bottom plate is further provided with a leveling mechanism used for leveling the bottom plate. According to the invention, the lifting mechanism cooperates with the action of the cable pulling piece, the two ends of a broken cable can be pulled to be close to each other, and the cable can be lifted to a specified height under the action of the lifting mechanism, so that the working intensity of workers is reduced, and the high-altitude wiring efficiency and quality are improved.

The present invention discloses a circuit board visual inspection device for automatic retractable boards, comprising a positioning and placement unit, which comprises a turning cylinder, a plurality of transverse grooves are opened on the curved surface side of the turning cylinder, and the plurality of transverse grooves are distributed in a circular array, a clamping arm is slidably penetrated inside the transverse groove, and two clamping arms are symmetrically arranged inside one of the transverse grooves, a plurality of sliding rods are fixedly connected inside the turning cylinder, and the two ends of the sliding rods pass through two adjacent clamping arms respectively, and the sliding rods are slidably connected to the clamping arms. The circuit board visual inspection device for automatic retractable boards of the present invention can accurately grasp and place circuit boards through the design of the positioning and placement unit, ensure the high consistency of the position of the circuit boards during inspection, effectively reduce the inspection error caused by the placement position deviation, improve the accuracy and reliability of the visual inspection result, and reduce the misjudgment rate. Automatic unloading is performed through the cooperation of the placement plate, the roller and the contact plate, thereby realizing the function of automatic retractable boards.

The invention provides a high-value recovery method and device for a retired double-glass photovoltaic module. The high-value recovery method comprises the four steps of lossless disassembly of a frame and a junction box, gradient separation of double-sided glass, segmented pyrolysis of inert gas and material sorting. On the basis of gradient pyrolysis and flexible separation and recovery technologies, nondestructive recovery of the double-sided glass is realized, and complete separation of the double-sided glass is realized by gradient heating and flexible stripping technologies; high-value battery pieces are reserved, and thermal damage is avoided through segmented pyrolysis and ultrasonic vibration; resources are circulated in a closed-loop mode, the reutilization rate of glass, battery pieces and welding strips is high, and the retired double-glass assembly can achieve all-material closed-loop recycling.

The utility model provides grinding type solar module recovery equipment. A grinding cutter and a negative pressure collector are arranged above a solar placement area of a platform; wherein the grinding cutter and the negative pressure suction head are fixed in the same shell; a solar module is fixed to the solar energy containing area of the platform, the grinding cutter is controlled to make contact with the surface of the solar module, grinding is carried out layer by layer, and powder ground out of different layers of the solar module is rapidly recycled through negative pressure suction heads of the negative pressure collector; therefore, the grinding type solar module recovery equipment disclosed by the utility model does not generate secondary pollutants, and the powdery recovery material is high in purity and convenient for subsequent utilization.