2803 results about "Copper-wiring" patented technology

The invention provides a copper wire stretching quality detection method and system for elongation analysis. The method comprises the following steps: obtaining production process record data of a copper wire sample meeting an elongation threshold; on the basis of a preset production process, traversing the production process record data for comparison to obtain a production process deviation parameter; according to the deviation parameters, extracting record data with the deviation parameters smaller than or equal to a threshold value for centralized value evaluation to obtain a production process reference space; when the production process monitoring data of the to-be-detected copper wire falls into the reference space, judging that the copper wire is qualified; when the monitoring data does not fall into the reference space, extracting a single-attribute deviation matrix; and retrieving an elongation threshold value of an abnormal sample meeting the deviation matrix, and executing targeted tensile quality actual measurement. By establishing a production process reference space, accurate prediction and targeted detection of the drawing quality of the copper wire are realized, and the omission ratio is effectively reduced.

The invention provides a copper-steel composite heat pipe and a preparation method thereof, and relates to the technical field of heat pipes, the copper-steel composite heat pipe comprises a steel-copper composite pipe, and the steel-copper composite pipe is composed of a copper inner pipe and a steel outer pipe. An internal copper structure is arranged in the steel-copper composite pipe; the internal copper structure is copper powder or a copper wire mesh. The copper powder is unilateral copper powder or bilateral copper powder or ring copper powder; the copper wire mesh is a copper mesh, or a copper mesh and a copper wire capillary, or a copper wire capillary. The steel outer pipe is made of steel 316L, and the copper inner pipe is made of copper C1020. The copper-steel combined material is used, the cost is saved, and it is guaranteed that materials are saved in the whole heat dissipation field. The double-layer combination of the copper inner pipe (C1020, high heat conduction) and the steel outer pipe (316L, corrosion resistance and high strength) is adopted, the efficient heat conduction of copper is utilized, and the environment erosion resistance and mechanical impact resistance of steel are utilized, so that the heat pipe is adaptive to complex working conditions (such as industrial high-temperature, humid or corrosion risk scenes), and the service life of the heat pipe is prolonged.

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 a temperature and pressure sensor and a manufacturing method thereof, the temperature and pressure sensor comprises a support assembly formed by an inner support and a thermistor through an injection molding process, two pin copper wires of the thermistor are welded to an insertion piece of the inner support, and a plastic supporting structure wrapping the thermistor and the inner support is formed through injection molding; one end of a PIN needle of the terminal button is connected with an external plugging port; one end of a conductive circuit of the flexible wire board is respectively welded with the PIN of the ceramic capacitor and the insertion piece of the inner bracket, and the other end of the conductive circuit of the flexible wire board is welded with the other end of the PIN of the terminal button; a through hole is formed between the support assembly and the shell, a medium makes contact with the ceramic capacitor through the through hole, the ceramic capacitor transmits a pressure signal to the outside through the flexible wire board and the end button, the thermistor senses the temperature of the medium through the plastic supporting structure, and a temperature signal is transmitted to the outside through the inserting piece, the flexible wire board and the end button. The thermistor is effectively prevented from losing efficacy due to medium impact, and meanwhile, the structural process is relatively simple and easy to assemble.

The invention relates to the technical field of mutual inductor production, in particular to a coil winding device for mutual inductor production. The coil winding device comprises a rack and a winding wheel, the winding wheel is rotationally supported on the rack through a plurality of supporting wheels, the winding wheel is provided with a C-shaped notch used for containing an iron core, and the winding wheel comprises a middle ring and side rings located on the two sides of the middle ring; the side rings and the middle ring are coaxial and are arranged in a mutually rotating mode, the circumferential wall of the middle ring is used for winding a copper wire, and one side ring is provided with a wire penetrating ring used for penetrating the end of the copper wire. The tensioning assembly is used for clamping the copper wire between the iron core and the threading ring; the magnetic powder brake is connected to the supporting wheel and provides resistance for the middle ring through the supporting wheel so as to tension the copper wire; and the driving assembly is used for driving the side ring to rotate and winding the copper wire on the iron core. Resistance is provided by the magnetic powder brake through the middle ring of the reel, so that tensioning of a copper wire can be controlled, and the winding quality of the copper wire on an iron core is improved.

The invention discloses an electric wire and cable copper wire stranding machine, and belongs to the technical field of copper wire stranding, the electric wire and cable copper wire stranding machine comprises a rack, a winding mechanism used for winding a stranded copper wire is assembled on the rack, a material rack unit is assembled on one side, far away from the winding mechanism, of the rack, the material rack unit comprises a shaft rod installed in a first bearing seat, and an installation disc is assembled on the shaft rod; a material frame is inserted into the mounting disc by forming an inserting groove, and a driving piece is assembled at one end of the shaft rod; through the arrangement of the anti-loosening unit and the stranded wire guide frame, the rotating pay-off barrel drives the extending frame through the moving unit to push the rolling shaft to be attached to a copper wire in real time in the stranding process, so that no matter what degree the pay-off is achieved, the rolling shaft can always apply tension to the wire outlet end of the copper wire, the copper wire is kept in tension, and the copper wire is prevented from being loosened. The stranding machine is simple in structure and convenient to use, the loosening condition along with the increase of the paying-off time is avoided, the loosening condition of the stranded wire is avoided, the quality of the stranded wire is ensured, and the risk of increasing the fault of the stranding machine is avoided.

The utility model belongs to the technical field of electromagnet coils, particularly relates to a magnetic suspension electromagnet coil, and aims to solve the problems that a coil with a large number of turns can generate a strong magnetic field under the same current, so that the coil with a large number of turns can be adopted to generate a strong and stable magnetic field, but the large number of turns can cause some problems. In order to solve the problems that the energy loss is further increased and even the coil is possibly damaged due to the fact that the resistance of the coil is increased and heating is increased, the utility model provides the following scheme: the coil comprises a hollow framework, a plurality of turns of coils are wound on the hollow framework, and a protective sleeve is wound on the whole outer wall of the plurality of turns of coils; and the outer wall of a single copper wire of the multi-turn coil is covered and sprayed with an insulating layer. When the magnetic suspension electromagnet coil is used, through the design of the protective sleeve, the ceramic insulating coating, the heat dissipation fins, the heat extraction fan, the heat dissipation holes and the like which are made of polyimide film materials, the heat dissipation efficiency and durability of the coil are effectively improved, and stable operation of a magnetic suspension electromagnet is ensured.

The utility model discloses high-efficiency copper flat wire drawing forming equipment which comprises a rack (6), a first special-shaped wire-drawing die (7), a roller pair (8) and a second special-shaped wire-drawing die (9) are sequentially arranged on the rack (6) seen from the moving direction of a copper flat wire (1), a first wire-drawing hole (10) is formed in the first special-shaped wire-drawing die (7), the aspect ratio of the first wire-drawing hole (10) is smaller than 2, and the width of the second wire-drawing hole (10) is smaller than 2. Narrow grooves (3) are formed in the two sides of the first wire drawing hole (10) in the width direction, the height of the narrow grooves (3) is larger than the thickness of the copper flat wire (1) and does not exceed 0.1 mm, a driving mechanism is connected to the roller pair (8), a gap between the roller pair (8) is matched with the height of the narrow grooves (3), and second wire drawing holes (11) matched with the copper flat wire (1) are formed in the second special-shaped wire drawing die (9). The high-width-to-thickness-ratio copper wire production line has the advantages of being capable of producing high-width-to-thickness-ratio copper wires, low in cost, high in percent of pass and high in production efficiency.

The invention relates to the technical field of metal wire processing, discloses copper alloy fine wire drawing equipment, and solves the problems that in the multi-stage drawing process of copper wire drawing equipment, due to the fact that the initial diameter of a raw material copper wire is uneven and the variation of unit length increase is unstable due to wire diameter fluctuation in the drawing process, the tension of the copper wire on a guide wheel is frequently changed, and the drawing quality is influenced. Therefore, the tension thread breaking phenomenon is easily caused. The first deformation structure is located between the outer guide wheel and the assembly disc, in the copper wire drawing process, adaptive deformation can be generated according to wire diameter changes, the outer guide wheel is pushed through reverse elastic force of the elastic recovery trend of the first deformation structure, and the fluctuation variation of increase of the unit length of the copper wire is self-adapted.

The invention discloses a high-temperature-resistant insulated copper wire and a preparation method thereof, and belongs to the technical field of enameled insulated copper wires. The high-temperature-resistant insulated copper wire comprises a copper wire body (1) and a polysilazane mixed filler layer (2), and the polysilazane mixed filler layer (2) wraps the surface of the copper wire body (1) and is formed by mixing polysilazane and inorganic filler. According to the preparation method of the high-temperature-resistant insulated copper wire, firstly, polysilazane and inorganic filler are mixed, the surface of the copper wire body is coated with the mixed polysilazane and inorganic filler, and the organic-inorganic combined coated insulated copper wire has the advantages of being resistant to high temperature and high pressure, high in hardness and quality and uniform in coating and has high stability and reliability.

The utility model discloses a stator wire pressing device, which comprises a workbench and a wire body, the wire body is provided with a plurality of trays moving along the wire body, the upper side surface of each tray is provided with a wire plugging tool, the workbench is internally provided with two groups of jacking assemblies, the two groups of jacking assemblies are linearly arranged along the wire body and are positioned below the wire body, and the wire plugging tool is positioned below the wire body. The jacking assembly and the tray are located in the same vertical plane, a wire holding assembly used for fixing the end of a stator copper wire is arranged on the upper side face of the workbench, a wire pressing assembly used for pressing the stator copper wire downwards is arranged on one side of the wire holding assembly, and the wire pressing assembly is located on the upper side face of the workbench. The copper wire inserting tool has the advantages of limiting the pre-inserted copper wire and the wire inserting tool and preventing the copper wire from deviating.

The utility model relates to the technical field of copper wire processing, in particular to a copper wire winding device. According to the copper wire winding device, the winding wheel can be conveniently and rapidly taken out, operation is easy, a copper wire can be tightly pressed when wound, the copper wire is prevented from being loosened due to breakage, and working efficiency is improved. A copper wire winding device comprises a first supporting frame, a guide rail, a sliding plate and the like, the guide rail is connected to the upper side of the first supporting frame, the sliding plate is connected to the left portion of the guide rail, and the sliding plate is connected to the right portion of the guide rail in a sliding mode. A copper wire is compressed through the first roller and the second roller, and after the copper wire is wound, the winding wheel is taken out by moving the left sliding plate rightwards and moving the right sliding plate rightwards, so that the winding wheel can be taken out quickly and conveniently, the operation is simple, the copper wire can be compressed during winding, and the copper wire winding efficiency is improved. The copper wire is prevented from being loosened due to breakage, and the working efficiency is improved.

The present invention relates to a winding mechanism for inductor production, comprising a processing table, a carrier table, a guide module, a winding module, and copper wire; the carrier table is fixedly connected to the processing table, and workstations 1 and 2 are reserved above the carrier table; the guide module is arranged in workstation 1 of the carrier table, and the winding module is arranged in workstation 2 of the carrier table, and the copper wire passes through the guide module and is coiled on the winding module; a U-shaped block is installed on the processing table, and a pair of cutting tools are arranged in the block for telescopic movement by means of a threaded rod and a threaded sleeve. This inductor production winding mechanism uses a telescopic cylinder to link the movable sleeve to flip, and adjusts the curvature of the copper wire between the conveyor belt and the winding column in real time, avoiding the problem of excessive curvature caused by wire accumulation, ensuring winding uniformity and copper wire tension stability, and preventing deformation or damage to the copper wire.

The utility model discloses a multilayer composite enameled wire and a painting device thereof, the multilayer composite enameled wire comprises a copper wire core (1), the surface of the copper wire core (1) is provided with a primer layer (2), a middle layer (3) and a finishing coat layer (4) from inside to outside in sequence, the primer layer (2) is formed by compounding 12-14 high-toughness polyurethane layers with the same thickness, the thickness of the primer layer (2) is 12-28 microns, and the thickness of the finishing coat layer (4) is 12-28 microns. The middle layer (3) is formed by compounding 8-10 thermosetting resin layers with the same thickness, the thickness of the middle layer (3) is 8-20 microns, the finish paint layer (4) is formed by compounding 4-6 epoxy resin layers with the same thickness, and the thickness of the finish paint layer (4) is 4-12 microns; and the high-toughness polyurethane layer, the thermosetting resin layer and the epoxy resin layer are formed by independently baking. According to the utility model, the insulating property of the enameled wire can be improved, and the painting effect of the enameled wire is improved while the painting cost of the enameled wire is reduced.

The invention discloses a stator and rotor punching sheet and magnetic steel for a concentrated winding type frameless torque motor, and belongs to the technical field of concentrated winding type motors, the stator and rotor punching sheet comprises a rotor punching sheet, a stator punching sheet and magnetic steel, and the center of the rotor punching sheet is provided with a rotor iron core; the stator punching sheet is composed of yoke parts and tooth parts, the tooth parts are trapezoidal teeth, the tooth parts and the stator grooves are distributed at equal angles, the tooth parts and the stator grooves are alternately arranged, and the stator grooves are straight grooves; the inner side of the stator punching sheet is also provided with a rotor punching sheet and magnetic steel, the rotor punching sheet and the magnetic steel form a motor rotor, and the motor rotor is a surface-mounted rotor. According to the stator and rotor punching sheet and the magnetic steel for the concentrated winding type frameless torque motor, the winding grooves of the stator iron core are flat-bottom straight grooves, the flat copper wires are wound in the winding grooves, the flat wire coils are fixed to the tooth portions through glue, integral potting is carried out after fixing is completed, and compared with a traditional pear-shaped groove for containing round wire windings, the stator and rotor punching sheet is simple and firm in structure, high in groove fullness rate, high in motor efficiency and improved in stability.

The invention discloses an auxiliary coil winding device for generator production, and relates to the technical field of generator machining, the auxiliary coil winding device comprises a workbench and a reciprocating assembly, a gear motor is arranged in the center of the bottom of the workbench, an output shaft of the gear motor is connected with an adjusting seat, and the top of the adjusting seat is rotatably connected with a rotating seat; the reciprocating assembly is arranged in the middle of the top face of the adjusting seat and comprises a butt joint sleeve, a lifting sleeve is fixed to the bottom of the butt joint sleeve, a limiting rod is slidably connected into the lifting sleeve and fixedly connected with the adjusting seat, and a reset spring is arranged on the outer side of the limiting rod in a sleeving mode. The winding head is in lifting linkage with the sliding column and the driving groove to control the rotating base to rotate in a reciprocating mode, the winding position is automatically switched, the reset spring achieves rapid resetting of the mechanism, the design achieves bidirectional reciprocating winding of copper wires, the collision risk of wire pipes is avoided, and a single driving source completes the function of a traditional double-shaft system.

The utility model discloses a stator copper wire press-in shaping device, which comprises a bottom frame and a fixing frame arranged on the upper side surface of the bottom frame, and is characterized in that a shaping assembly capable of shaping a copper wire at the lower end of an iron core is arranged on the upper side surface of the bottom frame, the shaping assembly can move back and forth on the bottom frame, and the iron core is positioned on the upper side surface of the shaping assembly. A bearing assembly for bearing and fixing the crown end of the iron core and a press-in assembly for pressing a copper wire at the upper end of the iron core into the iron core are arranged in the fixing frame, the press-in assembly is located above the bearing assembly, and a servo press for pushing the press-in assembly to move up and down is arranged on the upper side face of the fixing frame; the stator copper wire shaping device has the advantages of shaping the stator copper wire and facilitating welding.

The invention discloses a method for controlling CMP (chemical mechanical polishing) dish-shaped pits, corrosion pits and interface corrosion of ruthenium barrier layer copper wiring, which is suitable for a manufacturing process of integrated circuits of 14 nanometers and below. According to the method, a specifically synthesized TTAK corrosion inhibitor is introduced into a polishing solution system, the oriented adsorption characteristic of the molecular structure of the TTAK corrosion inhibitor is utilized, the corrosion reaction of copper is selectively inhibited, meanwhile, the normal material removal efficiency of a ruthenium barrier layer and a TEOS dielectric layer is maintained, and cooperative regulation and control of the removal rate of the Cu / Ru / TEOS material are achieved. By means of the method, dished pits, corrosion pits and Fang type interface defects generated in the fine polishing and barrier layer polishing process can be effectively eliminated, and copper / ruthenium interface corrosion is improved. According to the method, the global planarization quality of the copper interconnection ruthenium barrier layer is remarkably improved, the interface bonding strength and the electrical reliability of an interconnection circuit are enhanced, and an effective solution is provided for performance optimization of an advanced process integrated circuit device.

The invention provides a graphene composite copper wire and a preparation method thereof.The preparation method of the graphene composite copper wire comprises the steps that 1, a copper base material is provided; 2, the outer surface of the copper base material is coated with graphene dispersion liquid; 3, plating copper on the outer surface of the copper wire by using an electroplating method; 4, the step 2 and the step 3 are repeated for n times, and the graphene composite copper wire is obtained; the graphene composite copper wire comprises a copper base material and a plurality of composite layers wrapping the outer surface of the copper base material, and each composite layer comprises a graphene layer and a copper layer which are sequentially arranged from inside to outside in the radial direction of the copper wire. According to the graphene composite copper wire, the copper base material is treated through the electroplating method, the multiple composite layers formed by combining the copper and the graphene are formed on the surface of the copper base material, and the graphene composite copper wire is finally obtained, so that the conductivity of the copper can be improved, the technological process is simple, too many complicated steps are not needed, the preparation condition is simple, and the cost is low.

The invention relates to the technical field of copper wire drawing, in particular to metal bus production and processing equipment which comprises a positioning groove, a half die device, a copper wire, a temporary eye die and a liquid feeding device, the two half eye dies are spliced to form a main position eye die, and the copper wire penetrates through a middle hole of the main position eye die to achieve wire drawing. Lubricating cooling liquid is sprayed to a center hole of the main position hole die at a fixed point through the annular spray head, so that new lubricating cooling liquid can be accurately supplemented to a liquid consumption position, meanwhile, old lubricating cooling liquid is squeezed away, the two half hole dies are separated, and the temporary hole die plays a temporary wire drawing function; the brush roll assembly arranged for each half-hole die is used for cleaning, after cleaning is completed, the two half-hole dies are automatically spliced and combined, subsequent copper wire drawing work continues to be carried out, temporary wire drawing is maintained by the temporary hole die, therefore, the problem of chippings is relatively ignored, and the temporary hole die can be cleaned after the whole wire drawing work is completely completed.

The invention discloses a high-efficiency intelligent card wire end burying positioning and distance adjusting device, and relates to the technical field of integrated circuit manufacturing. The high-efficiency intelligent card wire end burying positioning and distance adjusting device comprises a fixed winding unit, a guide adjusting unit, a conveying unit and a wire burying unit; a guide adjusting unit is fixedly installed on the fixed winding unit, a conveying unit is fixedly installed on the guide adjusting unit, and the conveying unit is connected with the fixed winding unit. According to the invention, through the flow cooperation of the fixed winding unit, the conveying assembly and the adjusting assembly, the precise conveying of the copper wire to the wire embedding assembly and the wire embedding operation of the intelligent card are realized, and during the spacing adjustment, by means of the cooperative driving of the guide assembly and the adjusting assembly, the multi-unit linkage distance adjustment of the wire embedding assembly can be realized, and the single wire embedding assembly can be finely adjusted independently; and meanwhile, the control modes of manual reference setting of thread end burying and other electric adjustment, touch screen one-key distance adjustment and single-head fine adjustment are matched.

The invention relates to the technical field of polypropylene cable production, in particular to a stranding device for polypropylene cable production, which comprises a bracket and an electric hollow pipe mounted on the bracket, a porous disc is fixedly sleeved on the electric hollow pipe, and limiting frames are rotatably connected to the porous disc at uniform intervals in the circumferential direction through dampers. The limiting device is used for limiting a coil of copper wires. A copper wire can be driven to rotate through a wire stranding disc, the copper wire is rotationally stranded on a central wire, a tensioning wheel can tension the copper wire for stranding, when the copper wire is broken due to tension, a limiting wheel can press and limit the left copper wire which is broken, and an electric lifting frame drives a placement roller to rotate through a rack and a one-way gear; and the placement roller rotates to wind the broken right copper wire, so that the phenomenon that subsequent use is affected due to the winding phenomenon of the broken copper wire caused by inertia swinging is prevented, and the subsequent stranding efficiency of the copper wire is improved.

The invention discloses a quick-insertion type strain clamp which comprises an insulating shield, a clamp pressing plate, a wedge block sliding groove, a wedge-shaped sliding block, a compression spring, a pressing type plug pin assembly, an insulator connecting block, an end insulator, a wire plug, a jumper plug, a nylon nut, a T-shaped copper wire clamp and a spring contact finger. The wedge block sliding groove, the pressing type plug pin assembly, the T-shaped copper wire clamp and the insulator connecting block are sequentially installed on the wire clamp pressing plate and are combined into a whole through the wire clamp pressing plate, and the insulating protective cover wraps the outer side of the whole structure. The strain clamp designed by the invention forms a whole body, a wire is pressed during construction, and the installation can be completed by inserting a plug according to requirements. An integral insulation form is adopted, the insulation performance is better, the U-shaped structure is adopted at the end part, and the cable can be suitable for tower types of various angles, and the universality is good.

The invention relates to the technical field of transposed conductors, in particular to a preparation process of an ultrathin paint film transposed conductor, which comprises the following steps of: coating acetal paint on a base material, then coating intermediate modified paint, finally coating outer paint, and processing a treated copper wire into the transposed conductor. According to the ultrathin paint film transposed conductor, a copper wire is cleaned through absolute ethyl alcohol, then acetal paint, intermediate modified paint and outer paint are coated in a matched mode, finally, the transposed conductor is manufactured through the transposed conductor device and the wrapping device, the electrical performance, the heat conduction performance, the salt mist resistance and the high temperature resistance of the product are excellent, and the service life of the product is prolonged. Meanwhile, the impact resistance and the waterproof effect of the product are excellent, and the comprehensive coordination of the product is improved in a balanced manner.

The invention relates to the technical field of cables, and provides a low-voltage power cable which sequentially comprises a conductor, an insulating layer, a lining layer, an armor layer and a sheath layer from inside to outside. The armor layer is formed by winding two layers of parallel steel belts outside the cable lining layer in a spiral or longitudinal wrapping manner; the conductor is formed by twisting tinned copper wires; the sheath layer is a polyvinyl chloride resin sheath layer.

The invention relates to the technical field of cables, and discloses an extruded insulation low-voltage power cable and a preparation method thereof.The preparation method comprises the steps that copper wires are prepared by conducting wire drawing and annealing on a copper rod, and a plurality of copper wires are twisted to form a copper wire core; an insulating material is extruded on the periphery of the copper wire core, the insulating material forms an insulating layer through crosslinking, and the cable is manufactured; and the outer surface of the cable is wrapped with a lining layer, and then the periphery of the lining layer is wrapped with an outer sheath, so that the extruded insulation low-voltage power cable is prepared. The extruded insulated low-voltage power cable disclosed by the invention has relatively good tensile, antibacterial and flame-retardant effects.

The invention discloses a highly dustproof MEMS microphone packaging substrate and a processing method thereof. The highly dustproof MEMS microphone packaging substrate is characterized in that a capacitor-embedded resistor-embedded substrate is provided with a sound hole processing area; the two outermost layers of the capacitor-embedded resistor-embedded substrate are respectively covered with an ultrathin copper layer, and a window is manufactured on one ultrathin copper layer at a position corresponding to a sound hole processing area through a pattern manufacturing process. And after the position, corresponding to the sound hole machining area, on the other ultrathin copper layer is thickened, a copper net pattern formed by connecting a plurality of copper wires in a crossed mode is manufactured. Based on the window, at least part of the sound hole machining area is hollowed out through a laser groove burning technology, and a sound hole communicated with the copper net pattern is manufactured; cleaning the sound hole and the copper mesh pattern; and plating a protective layer on the copper net pattern. The processing method is novel and reasonable, the obtained MEMS microphone packaging substrate has the advantages of being small in size, thin in structure, excellent in ventilation and dustproof performance, high in sound transmission quality, high in reliability, high in anti-interference performance and the like, and market requirements are met.

The invention discloses a transformer iron core winding device, and relates to the technical field of winding equipment, the transformer iron core winding device comprises a base, the base is provided with a fixing frame and a moving plate, the moving plate is slidably connected with the base through a walking power assembly, and the two ends of the top surface of the moving plate are provided with a first mounting seat and a second mounting seat respectively; turntables are arranged on the opposite side faces of the first mounting base and the second mounting base, clamps matched with the two end structures of the iron core are arranged on the two turntables correspondingly, one turntable is connected with a rotary driving assembly, a connecting cylinder is arranged on the fixing frame, a telescopic rod is slidably connected into the connecting cylinder, the bottom end of the telescopic rod is fixedly connected with the connecting frame, and the bottom end of the telescopic rod is fixedly connected with the connecting frame. The telescopic rod is sleeved with a spring, the bottom end of the spring is fixedly connected with the connecting frame, the top end of the spring is fixedly connected with the connecting cylinder, and the bottom end of the connecting frame is rotationally connected with a roller. By means of the winding device of the transformer iron core, the winding compactness of a copper wire on the iron core can be effectively guaranteed.

The utility model discloses a full-automatic circuit board horizontal copper deposition connecting wire VCP electroplating device. Comprising a horizontal copper deposition incoming plate placing station, a horizontal copper deposition wire, an intelligent plate placing machine arranged at the feeding end of the horizontal copper deposition wire, an intelligent plate collecting machine arranged at the discharging end of the horizontal copper deposition wire, a VCP plating line, an intelligent feeding machine arranged at the feeding end of the VCP plating line, an intelligent discharging machine arranged at the discharging end of the VCP plating line, and a temporary storage station arranged between the horizontal copper deposition wire and the VCP plating line. The intelligent transport vehicle is used for conveying the circuit board collected by the intelligent board collecting machine of the horizontal copper deposition line to a temporary storage station for partitioned temporary storage and conveying the circuit board at the temporary storage station to a VCP plating line; and the memory is used for storing processing information of the circuit board. According to the full-automatic circuit board horizontal copper deposition connecting wire VCP electroplating device provided by the utility model, intelligent board placement and collection are realized, the working efficiency is improved, and the probability of misoperation of personnel is reduced.

The invention discloses a welding platform for manufacturing a lithium battery pack, and belongs to the technical field of lithium battery welding, the welding platform comprises an operation table for placing a battery pack and two bidirectional guide rails for adjusting and collecting a flat cable and a protection plate, a positioning seat is arranged on the operation table, and a positioning assembly for positioning the battery pack is arranged on the positioning seat. Through the arrangement of the voltage measuring assembly and the voltmeter, voltage measurement of all contacts of the flat cable after welding can be rapidly completed by using one-by-one descending and ascending of the voltage measuring telescopic guide rod, compared with one-by-one measurement of small-interval contacts of the flat cable with a touch pen at present, the measurement is more efficient and accurate, it is guaranteed that the voltage of the flat cable after welding is normal, and the accuracy of welding is improved. And meanwhile, through the arrangement of the retarding electromagnetic plate and the welding isolation seat, a controllable magnetic field of the retarding electromagnetic plate can be utilized to generate dynamic damping force, and magnetic-gas double-field stable control is formed in combination with airflow adsorption, so that the swing amplitude of the welding copper ring of the lightweight collection flat cable is greatly reduced, and the problem of winding of fine-pitch copper wires is effectively solved.