658results about How to "Improve yield rate" patented technology

The invention discloses a TBC battery structure, a preparation method thereof and a TBC battery, in the structure, a P region and an N region are respectively provided with a P-type / N-type doped polycrystalline silicon passivation layer, and an oxygen-doped polycrystalline silicon layer is arranged between the P region and the N region. The preparation method comprises the step of preparing the P-type / N-type doped polycrystalline silicon passivation layer and the oxygen-doped polycrystalline silicon layer on the P region and the N region. In the structure, the oxygen-doped polycrystalline silicon layer is arranged between the P region and the N region, so that the P region and the N region can be effectively separated, an excellent shadow shielding resisting function of a corresponding assembly can be realized, and the generating capacity of the assembly in a shadow shielding environment can be further improved. According to the preparation method, the design of depositing multiple tunneling oxide layers and polycrystalline silicon layers at a time, the design of a laminated mask, a new isolation mode, an efficient cleaning process and the like are adopted, the problems that an existing TBC battery preparation process is tedious, boron-doped polycrystalline silicon laser ablation residues exist, the investment and generation cost is high and the like are effectively solved, and the preparation method is a brand-new TBC battery route.

The invention relates to the technical field of automobile part machining, and discloses an automobile part multi-station synchronous clamping and positioning device which comprises a support, a vertical plate is fixedly arranged in the middle of the support, the vertical plate is slidably connected with a plurality of sliding plates, a sliding seat is fixedly arranged on one side of each sliding plate, a baffle is arranged on one side of each sliding seat, and the baffle is fixedly connected with the support. Two sliding rods in sliding connection with the sliding seat are fixedly arranged on one side of the baffle, the surfaces of the sliding rods are sleeved with springs, and a first clamping plate is fixedly arranged at one end of each sliding rod; the single air cylinder drives the cross beam to synchronously push all the sliding plates, synchronous clamping of workpieces at multiple stations is achieved, the auxiliary clamping time is greatly shortened, the production efficiency is improved, the consistency of clamping actions of all the stations is guaranteed, and the problem of workpiece deformation or displacement caused by uneven clamping force is solved.

The utility model discloses a freeze-dried microsphere manual subpackager, including lower plate, upper plate and middle plate, the upper end surface of lower plate is connected the upper plate, and the middle plate sets up between lower plate with upper plate, can slide left and right, the upper plate is equidistant and opens to set up multiple rows first through -hole, the lower plate is equidistant and opens to set up multiple rows second through -hole, and every second through -hole lower end port butt -joint one package material. The lower end surface of lower plate is connected fixed support, and multiple package materials butt -joint corresponding second through -hole through fixed support. The left -hand end of upper plate is provided with storage tank for holding microsphere. The lower plate is equipped with multiple rows of chute, and every chute bottom is provided with a second through -hole. The utility model aims at providing a freeze-dried microsphere manual subpackager to overcome the existing defects, effectively reduces the difficulty of subpackaging microsphere, shortens the subpackaging time, and improves the subpackaging efficiency.

The application discloses a surface polishing quality evaluation method based on a flexible tactile sensor. In the application, the process of the quality evaluation method is that the flexible tactile sensor is connected at the end of a mechanical arm, so that the flexible tactile sensor is fully contacted with a polishing piece according to a polishing path, the flexible tactile sensor acquires parameters in the process of walking along the path, and after a series of algorithm processing, the surface quality of the polishing piece is represented, and the coordinate points with substandard quality evaluation values are processed again until the whole surface meets the requirements. The system can accurately position the polishing quality of the workpiece surface that does not meet the requirements and optimize the polishing, cooperates with the polishing, is important for improving the polishing quality and efficiency, and introduces a mechanical arm control cabinet to polish the workpiece again so that the calibration position area meets the process requirements, improves the precision and efficiency of traditional polishing surface quality monitoring, can be applied to the quality detection stage of the polishing process, and thus improves the process parameters of the workpiece, and thus improves the surface quality of the subsequent polishing workpiece.

The application provides an automatic system and an assembling method of double-line supply integrated assembly, which comprises a first supply line and a second supply line, the first supply line and the second supply line are collected to a positioning assembly output line through a robot taking materials, the first supply line comprises a multi-axis running feeding machine and a secondary positioning platform in sequence, the second supply line comprises a flying feeder, an adsorption material taking device, a clamping material taking device, a point laser height measuring instrument and an upper visual positioning scanning module are arranged on an execution end of the robot, the positioning assembly output line comprises a lower visual positioning module and a product circulation mechanism in sequence, a positioning installation station is arranged on the product circulation mechanism, a material positioning module and a material blocking module are arranged at the positioning installation station, and the execution end of the robot is matched with the flying feeder, the secondary positioning platform, the lower visual positioning module and the positioning installation station in sequence. Through the double-line supply cooperation, multi-stage visual positioning and full-process automation design, the efficiency bottleneck and the precision problem in the assembly of special-shaped parts are effectively solved.

The utility model is specifically related to a kind of glasses with the mounting structure of pair of buckle type decorative sheet, including leg and solid decorative drawing, still including inner hollow cylinder and outer hollow cylinder, solid decorative drawing is fixed in inner hollow cylinder, installation slot is penetrated in the inside and outside of leg, first limiting structure and second limiting structure are sequentially equipped in installation slot from the outside of leg to the inside of leg, the outer periphery of inner hollow cylinder and the outer periphery of outer hollow cylinder are respectively provided with first abutment structure,second abutment structure, outer hollow cylinder is respectively connected with installation slot, inner hollow cylinder fixed connection. The installation form of solid decorative drawing is compared to the form that lug is embedded in the side of solid decorative drawing ring, and it is high in degree of aesthetic feeling, low in installation difficulty, and high in yield rate;Solid decorative drawing can be seen in the inside and outside of leg, and it is convenient to observe.

This utility model relates to an intelligent water temperature control module, characterized by comprising a flow regulation module, a pressure balancing module, and a temperature control module. The flow regulation module includes a first valve seat and a flow regulating valve core. The first valve seat has a first cold water inlet channel, a first hot water inlet channel, a flow regulating valve core mounting cavity, a first cold water outlet channel, and a first hot water outlet channel. The pressure balancing module includes a second valve seat and a balancing valve core. The second valve seat has a second cold water inlet channel, a second hot water inlet channel, a balancing valve core mounting cavity, a second cold water outlet channel, and a second hot water outlet channel. The temperature control module includes a third valve seat and a temperature control valve core. The third valve seat has a third cold water inlet channel, a third hot water inlet channel, a temperature control valve core mounting cavity, a mixing chamber, and a mixed water outlet channel. Each module exists independently and is independently controlled, simplifying the control method, reducing control and manufacturing difficulty, improving the control accuracy of water flow and temperature, and allowing for selection and combination of different modules.

The application relates to the technical field of picking robots, in particular to an intelligent high-efficiency picking robot, which comprises a body, a temporary storage box and a mechanical arm are respectively adaptively installed on the body, a camera and a picking mechanism are adaptively installed on the top of the mechanical arm, an outer layer pipe in the picking mechanism is adaptively sleeved with an inner layer pipe with a gap, an inner cavity is formed between the outer wall of the inner layer pipe and the inner wall of the outer layer pipe, a sliding mesh bag is adaptively installed in the inner cavity, and the mesh bag is used for grabbing and picking apples; the picking mechanism is designed as a double-layer pipe structure, the space occupied by picking is greatly reduced, picking is convenient, the picking efficiency is high, the shielding of the camera is reduced, and the picking efficiency is improved.

This invention discloses an intelligent modular composite milling and turning tool for machining centers, relating to the field of milling and turning tool technology. It includes a turret configured to be rotatably mounted on a machine tool turret base to perform multi-axis composite machining motions. The turret's disc body has a plurality of precision guide grooves arranged in a circumferential array extending radially. This invention constructs a closed fluid circulation loop comprising a spiral cooling pipe, a circulating pump, and a telescopic pipe, and incorporates an adaptive cooling assembly consisting of radial heat dissipation fins and a temperature sensor. This allows for real-time adjustment of coolant flow rate and heat dissipation power based on cutting heat, ensuring the tool holder remains in a constant-temperature machining environment. This effectively avoids dimensional errors caused by thermal deformation and improves the yield rate of machining heat-sensitive materials.

The invention discloses a piezoelectric MEMS loudspeaker based on a folding ring between movable and fixed parts and application thereof, and belongs to the technical field of loudspeakers, the piezoelectric MEMS loudspeaker comprises a piezoelectric actuating assembly, a fixed assembly and a folding ring; the piezoelectric actuating assembly comprises a piezoelectric actuating composite layer, the piezoelectric actuating composite layer at least comprises a piezoelectric material layer, and the piezoelectric actuating composite layer generates mechanical displacement by applying voltage to drive the piezoelectric actuating assembly to vibrate so as to generate sound pressure; the fixing component can be a single structural component or a component with a plurality of structural components; the fixing assembly can be used for fixedly supporting the fixed supporting part of the piezoelectric actuating assembly, so that the non-fixed supporting part of the piezoelectric actuating assembly can freely move or vibrate; according to the invention, through the innovative design based on the folding ring between the moving part and the fixed part, the low-frequency vibration displacement of the vibrating diaphragm is remarkably improved, the problem that the low-frequency sound pressure of a traditional piezoelectric MEMS loudspeaker is insufficient is effectively solved, and the vibrating diaphragm can push air with a larger volume in a low-frequency band, so that a fuller low-frequency sound effect is obtained.

The invention discloses an automatic processing system and method for foamed plastic products with poor ductility, the automatic processing system comprises a machine body (1), a feeding frame (2), a cutting device (3), an oven (4), a discharging device (5), a shaping device (6), a conveying belt (8), a power device (9) and a control device (10), the cutting device is arranged between the feeding frame (2) and the oven (4) and used for cutting coiled materials into sheets with proper sizes, and the shaping device (6) is arranged on the conveying belt (8). The conveying belt (8) sequentially penetrates through the feeding frame (2), the cutting device (3), the oven (4) and the discharging device (5), and the shaping device (6) is arranged on the periphery of the discharging device (5). By the adoption of the system, the five working procedures of feeding, cutting, heating, modeling and blanking are controlled by the control device and completed in a unified mode, the consistency of products is greatly improved, the yield of the products is greatly improved, and the labor cost is greatly saved.

This invention belongs to the field of headphone technology, and specifically relates to a quick-release structure for a headphone battery with elastic contact. It includes: a sound-generating unit with a mounting groove containing a receiver, and at least two inductive elements; and a battery unit with a conductive plate located inside the battery unit. By placing the conductive plate inside the battery unit, leakage caused by contact between the battery electrodes and the external environment is prevented. When the battery unit needs to be placed on the sound-generating unit, the receiver contacts the conductive plate, thereby establishing circuit continuity. This allows for easy assembly and disassembly of the battery unit and the headphone's sound-generating unit. During assembly, simply placing the battery unit on the sound-generating unit allows for automatic alignment and circuit connection through physical contact, eliminating the need for soldering, ribbon cables, or connectors, significantly reducing the difficulty and cost of automated assembly.

This application relates to the field of battery technology, providing an electrode sheet and a battery cell. The electrode sheet includes a current collector and a tab. The current collector is the main component of the tab, and the tab is connected to the current collector. The tab can be connected to an external structure to conduct electricity. Both the tab and the current collector are thin sheet structures. When the electrode sheet passes through a conveyor roller and the moving direction of the electrode sheet switches between horizontal and vertical directions, the tab will bend along the arc-shaped surface of the conveyor roller. The tab separator groove can divide the tab into at least two parts, which can reduce the internal stress of the tab during bending deformation and prevent the tab from tearing when bending and deforming through the conveyor roller. This can result in a higher yield rate during the preparation of the electrode sheet of this application and reduce the preparation cost of the electrode sheet.

The application discloses a fuse tinning device and method, wherein the fuse tinning device comprises a fuse melting substrate placing rack for placing a fuse melting substrate; a tin strip placing rack for placing a tin strip; the tin strip placing rack is arranged above the fuse melting substrate placing rack; a flux pool for storing flux; a flux roller is further arranged above the flux pool, and the flux roller applies flux to one side of the tin strip which faces the fuse melting substrate when the tin strip passes through the surface of the flux roller; a pressing roller is further arranged behind the flux pool, and the pressing roller presses the tin strip coated with flux and the fuse melting substrate; a reflow oven is further arranged behind the pressing roller, and the reflow oven fuses the tin strip and the fuse melting substrate by adjusting temperature; and a winding device is further arranged behind the reflow oven, and the winding device winds the tin strip and the fuse melting substrate after fusion.

The application provides a wafer automatic cleaning device and a wafer cutting machine. The wafer automatic cleaning device is used for cleaning a wafer and comprises a cleaning nozzle, a sensor, a deionization pump and a connecting pipe. The cleaning nozzle is arranged directly below a moving path of the wafer, and a side of the cleaning nozzle opposite to the moving path of the wafer is provided with a plurality of air blowing holes. The sensor is arranged on one side of the cleaning nozzle to detect position information of the wafer. The deionization pump is provided with a controller, and the controller is in communication connection with the sensor to control the deionization pump according to a state of the sensor. One end of the connecting pipe is communicated with the deionization pump, and the other end of the connecting pipe is communicated with the cleaning nozzle. The wafer automatic cleaning device realizes automatic cleaning of the wafer, does not cause damage to the wafer itself, reduces manual cleaning of a back surface of the wafer, avoids breakage and electrostatic breakdown problems caused by manual cleaning, avoids introduction of new particulate impurities in wafer transportation between front and rear process stations, and ensures cleanliness of the wafer during wafer operation.

This utility model discloses a fully automated production equipment for automotive sunroof guide rails, including a profile cutting device for cutting profiles to a fixed length, a profile bending device for pressing and forming the cut profiles to a fixed length, a guide rail punching device for punching holes in the bent profiles, a product handling device for transporting the cut profiles to the profile bending device, the bent profiles to the guide rail punching device, and the punched guide rails to the finished product output line, a finished product output line for outputting the finished products to the next workstation, and a control system. This utility model avoids manual loading and unloading, eliminates the need for transfer frames, and prevents damage to semi-finished guide rails caused by transfer. This equipment realizes fully automated intelligent production of automotive sunroof guide rails, with high production efficiency, high product yield, and no manual operation required throughout the process, saving labor and reducing production costs.

The application provides a tungsten via hole manufacturing method, which comprises the following steps: providing an equipment comprising a first cavity and a second cavity connected by a vacuum transmission channel, and a cooling device is arranged in the vacuum transmission channel; placing a substrate with a via hole on the surface into the first cavity; introducing a first gas into the first cavity to deposit a tungsten film layer, so as to obtain an intermediate structure comprising the substrate and the tungsten film layer, and the tungsten film layer covers the surface of the substrate and fills into the via hole; pumping the first cavity, the vacuum transmission channel and the second cavity to the same preset vacuum degree; transmitting the intermediate structure into the second cavity through the vacuum transmission channel; introducing a second gas into the second cavity to etch and remove the tungsten film layer outside the via hole, so as to form a tungsten via hole; breaking the vacuum and taking out the substrate with the tungsten via hole from the equipment. The tungsten via hole manufacturing method can effectively improve the etching efficiency of tungsten, reduce the risk of defects and improve the yield of chips.

The invention provides a low-water-absorption glass bead modified PBT (polybutylene terephthalate) material and a preparation method thereof. The low-water-absorption glass bead modified PBT material comprises the following components in parts by weight: 70-100 parts of PBT resin; 0 to 30 parts of solid glass beads; 0-5 parts of a toughening agent; 0-2 parts of an antioxidant; 0-2 parts of a lubricant; 0-2 parts of black color master batch; 0-2 parts of a coupling agent; 0-5 parts of polytetrafluoroethylene wax; wherein the average particle size of the solid glass beads is 1-50 [mu] m; the average particle size of the polytetrafluoroethylene wax is 3-15 [mu] m, and the weight-average molecular weight of the polytetrafluoroethylene wax is 10000-30000 g / mol; the weight ratio of the solid glass beads to the polytetrafluoroethylene wax is (5-10): 1. According to the invention, the polytetrafluoroethylene wax is added into the solid glass bead modified PBT material, so that the shrinkage difference between the material flow direction and the vertical flow direction is effectively reduced, the water absorption rate of the material is remarkably reduced, the preparation process is simple, and the production process is easy to control.

The utility model relates to the technical field of stone handrail machining, in particular to a stone handrail machining device which comprises a base, a machining frame, a fixing assembly, a cutting assembly and a polishing assembly, the existing device needs to manually take down a handrail for polishing after stone machining, time is consumed, and according to the device, the cutting assembly and the polishing assembly are integrated on the machining frame, so that machining efficiency is greatly improved. The stone handrails do not need to be manually taken down and transferred after cutting is completed, grinding can be directly conducted in the machining frame, intermediate links such as carrying are reduced, compared with manual grinding, mechanical grinding is more uniform in force and angle, irregular lines on the surfaces of the stones can be better treated, the product quality is improved, the cutting function and the grinding function are integrated in the same machining device, and the machining efficiency is improved. Seamless connection of the cutting procedure and the polishing procedure is achieved, the continuity of the stone handrail machining process is guaranteed, errors or problems possibly caused by procedure interruption are reduced, and the production stability and the product yield can be improved.

This invention discloses an automated processing line for bending and forming aluminum alloy crash beams, comprising a feeding device and a bending and forming device. A feeding conveyor belt transports hollow aluminum alloy profiles through an open opening to a profile support in a heating chamber. Each set of heating resistance wires, driven by a corresponding resistance wire drive cylinder, is inserted into the hollow aluminum alloy profile to heat it. The transfer assembly transports the heated hollow aluminum alloy profile to the bending and forming device. The bending and forming device bends the hollow aluminum alloy profile into an aluminum alloy crash beam. The feeding device not only automatically feeds the profile to the bending and forming device but also efficiently preheats the hollow aluminum alloy profile, thereby improving its plasticity, significantly reducing the bending difficulty of the profile, improving processing accuracy, and ultimately greatly increasing the yield rate of the aluminum alloy crash beams.

The utility model relates to inductor assembly technical field, especially in a kind of assembly positioning jig, including base and top cover, the base is provided with multiple main positioning slot, the main positioning slot is matched with the overall size of PFC inductor, the base is also provided with first positioning slot, the first positioning slot is matched with the size of the bottom magnetic core of PFC inductor, the top cover is provided with second positioning slot, the second positioning slot is matched with the size of the top magnetic core of PFC inductor, the top cover with the base between being provided with quick pull buckle structure.The utility model makes the main body of PFC inductor, bottom magnetic core and top magnetic core can be positioned, quick pull buckle structure not only facilitates the installation, disassembly of top cover and base, can also provide acting force simultaneously so that PFC inductor keeps pressure force, ensure that each component keeps the stability after bonding, finally improves the yield and quality of PFC inductor assembly.

The utility model provides a plastic pipe traction mechanism, which belongs to the technical field of plastic pipe production and comprises a support component, a base, a support fixedly connected to the upper end of the base and a conveying belt adaptively mounted in the middle of the support. The traction assembly comprises a fixing piece fixedly connected to the side wall of the conveying belt, a cross beam installed on the side wall of the fixing piece, a supporting plate slidably connected to the lower end of the cross beam and a pressing plate rotationally connected to the side wall of the cross beam. The plastic pipe traction device has the advantages that long-term stable operation of the device is guaranteed due to the design of the base and the support of the supporting assembly, the conveying belt is combined with the supporting plate, capable of flexibly adjusting the position, in the traction assembly, appropriate traction acting points can be found for plastic pipes of various sizes, the application range of the device is widened, and objects can be restrained by pressure in the traction process; the problems of displacement, scattering and the like of articles are prevented, the material loss risk is reduced, and the continuity and high efficiency of the production process are guaranteed.

This invention discloses a carbon fiber product coating mold and a method for coating the surface of carbon fiber products. The carbon fiber product coating mold includes a moving mold, a fixed mold, and a heating device. The moving mold is provided with a moving mold cavity, a moving mold feed groove, a coating port, a moving mold overflow cavity, and a moving mold overflow buffer cavity. The fixed mold is provided with a fixed mold cavity, a fixed mold feed groove, a fixed mold overflow cavity, and a fixed mold overflow buffer cavity. After the fixed mold and the moving mold are connected, a feed channel forming cavity, an overflow buffer cavity, and an overflow bag are sequentially formed and sealed to the coating port. The carbon fiber product surface coating method involves first positioning the carbon fiber product in the moving mold cavity, then filling the mold with paint after closing the mold, maintaining it at a certain temperature for a set time, and then removing the product after opening the mold. The paint forming part formed by the overflow buffer cavity and the feed channel is then cut and removed on a processing device. This invention effectively solves the problem of air bubbles on the paint film and improves the coating quality of carbon fiber products.

This utility model discloses an anti-bending protection injection molding device for data cable connectors, belonging to the field of data cable connector injection molding technology. Key technical features include a support base, a lower mold bolted to the top of the support base, a positioning fixture inside the lower mold, a terminal inside the positioning fixture, and a cable on the side of the terminal away from the positioning fixture. An anti-bending mechanism is provided on the front side of the support base. By setting a clamping component, the clamping component provides stable constraint to the cable, preventing it from bending or shifting due to external forces, ensuring accurate relative positioning between the cable and the terminal. By setting a tensioning component, the tensioning component provides appropriate tension to the cable, further preventing bending deformation and straightening any slightly bent cable, ensuring it is in the ideal molding position, thus further improving the production quality and yield of the data cable connector.

The utility model discloses a kind of self-aligning stamping die of stamping part, comprising: upper die holder and lower die holder, lower die holder is provided with lower die plate, upper die holder is provided with upper die plate, upper die plate is set towards lower die plate, upper die plate is provided with multiple punching punch, lower die plate is equipped with blanking concave die that can be adapted with punching punch, blanking concave die is aligned with punching punch, upper die plate is also equipped with side edge component, side edge component includes multiple mutually connected side top blocks, multiple side top blocks are connected and present polygon, accommodating cavity capable of accommodating lower die plate is formed between multiple side top blocks, side top block is equipped with push inclined plane capable of pushing workpiece side edge, so that when lower die plate and upper die plate close die, push inclined plane can be contacted with workpiece first and push workpiece to reach preset position. The utility model aims at overcoming the problems of prior art, and provides a kind of self-aligning stamping die of stamping part, which can realize auxiliary alignment.

The application discloses a parallel polynomial gradient calculation system and method based on a CMOS nerve synapse transistor, and relates to the technical field of calculation systems.The parallel polynomial gradient calculation system based on the CMOS nerve synapse transistor adopts a basic calculation unit containing at least one CMOS transistor, and configures the CMOS transistor to exhibit the dual-mode characteristics of neuron behavior and synapse behavior in a floating substrate operation mode, and meanwhile, combines a parallel array architecture, so that the application realizes a neuromorphic calculation hardware based on a standard CMOS process, utilizes mature CMOS manufacturing technology, avoids special materials and post-integration processes required by emerging devices such as memristors, thereby improving the manufacturability and yield of the system, and reducing production costs.Meanwhile, the inherent device consistency and long-term stability of the CMOS transistor effectively overcome the problems of large differences between devices and state drift in the memristor scheme, and realize high-precision polynomial gradient calculation.

The application provides a method for determining a cell restraint gap, a cell, a battery pack and a power utilization device, and solves the problem of long cycle and high cost consumption in the prior art by relying on the experience trial and error method to determine the restraint gap. The risk determination method comprises: obtaining a cell thickness of a to-be-restrained cell in a restraint direction that meets a preset requirement; and determining the restraint gap of the to-be-restrained cell according to the cell thickness through a preset nonlinear function relationship. The method establishes a preset nonlinear function relationship between the cell thickness and the restraint gap, so that under the premise of meeting the specific structure condition, the optimal restraint gap suitable for the cell can be quickly and accurately determined without relying on the traditional multi-gradient trial and error verification.

This utility model relates to the field of workpiece processing technology, and discloses a positioning component and a turning device. The positioning component includes a base plate assembly. At least one workpiece groove is formed on the first side plate of the base plate assembly. The workpiece groove is used for embedding and fixing the first end of the workpiece while exposing the second end for processing. An air supply connector is formed on the base plate assembly, and an air outlet is provided in the workpiece groove. The air supply connector and the air outlet are connected by an air duct. This design combines versatility and safety, achieving reliable workpiece fixation while simplifying the structure, avoiding stress damage during the turning process, and adapting to the load-bearing and turning requirements of workpieces of different shapes. It solves the technical problem that existing fixtures have limited applicability and are prone to workpiece damage during movement.

The utility model provides a kind of perforation guiding device, comprising: guiding mechanism, adsorption mechanism, lifting mechanism and moving mechanism;Guiding mechanism is located above second workpiece, and is equipped with guide slot;Adsorption mechanism is located above guiding mechanism, for adsorbing first workpiece;Lifting mechanism is used to drive adsorption mechanism to perform lifting action, to make first workpiece enter guide slot and through-hole;Moving mechanism is used to drive guiding mechanism to move, to make guide slot directly opposite through-hole, or make guiding mechanism avoid adsorption mechanism to descend.This utility model adsorbs first workpiece by adsorption mechanism, and provides accurate moving path for first workpiece by guide slot, so that first workpiece can accurately enter through-hole;By setting moving mechanism, guiding mechanism can be driven to exit above second workpiece after adsorption mechanism moves close to guiding mechanism and first workpiece enters through-hole, avoid interference between mechanisms, so that first workpiece obtains greater descending stroke to enter through-hole smoothly.

The present application relates to a kind of composite current collector preparation method and preparation device, by selective pre-treatment in the middle of the surface of base material strip Forming active area, pre-treatment in the process will not be processed to blank area, so the edge of the two sides of base material strip will not be damaged.And, in the process of forming metal layer, only the operation for active area is carried out, and the blank area does not form a metal layer.During the formation of the metal layer, the damage to the base material strip, such as perforation, often occurs at the edge of the metal layer. It can be seen that the damage to the edge of the base material strip during the preparation process can be minimized to maintain the high mechanical strength of the base material strip. Moreover, the damage at the edge of the metal layer can be subsequently removed. Therefore, the above-mentioned composite current collector preparation method can significantly improve the yield.