36results about How to "Reduce turnover process" patented technology

The invention discloses a cold-machining technology for high-precision optical lenses. The cold-machining technology for high-precision optical lenses includes the following steps that S1, blanking and rough grinding are conducted, specifically, a material is cut into a square, the thickness is modified, and the outer ring is subjected to rough grinding; S2, the outer ring is subjected to precise hobbing, specifically, the outer ring is subjected to precise hobbing till meeting the requirement of a drawing, the radius portion is subjected to milling and grinding, and the face form and center thickness are controlled; S3, precise grinding is conducted, specifically, the lens material is placed in a grinding clamp and is grinded on a high-speed horizontally-swinging fine grinder through a diamond pellet; S4, pre-polishing is conducted, specifically, the lens is subjected to pre-polishing on a high-speed horizontally-swinging polishing machine through a polyurethane chip; and S5, precise polishing is conducted, specifically, the workpiece is subjected to precise polishing, aperture modification and detection on a low-speed polishing machine so that the lens can meet the requirements for the center thickness, surface form and degree of roughness finally. The process of the cold-machining technology for high-precision optical lenses is designed for high-precision optical lenses, and the high-speed fine grinder, the high-speed polishing machine and the low-speed polishing machine are combined for machining. The optical lens obtained through machining has the characteristics of being few in surface defect, high in degree of finish, good in surface form and low in degree of surface roughness.

The invention relates to a bearing outer ring grinding process and solves the problems that appearance is influenced due to the fact that processing prints are unavoidably left on an outer ring of a bearing and the outer ring needs to be ground for many times during processing of a grooved way of the bearing when the circular center of the groove way of the bearing deviates from the circular center of the outer diameter of the bearing in the prior art of processing of the outer ring. The bearing outer ring grinding process is characterized by including the following steps: grinding the outer ring of the bearing for three times, directly grinding the outer ring to be in a final size, and adopting ceramic support for grinding of the grooved way of the outer ring of the bearing. The grooved way and the outer diameter are good in concentricity, process turnover is reduced, production efficiency of the outer ring is improved, grinding time and processing cost are reduced, wall thickness difference is high in controllability, and roundness accuracy of the grooved way of the outer ring is greatly improved.

The invention discloses a camera motor shell shaking-off separation and typesetting device. The device comprises a machine frame, a feeding device, a shaking-off separation device and a typesetting and discharging device, wherein the feeding device, the shaking-off separation device and the typesetting and discharging device are arranged on the machine frame and are coordinated with one another; the feeding device comprises a transferring mechanism and a conveying mechanism coordinated with the transferring mechanism, the transferring mechanism is used for receiving products grabbed by a three-axis mechanical arm, the conveying mechanism is used for grabbing the products on the transferring mechanism to rotate to a shaking-off separation device, and the products are conveyed a material taking position from the shaking-off separation device after being shaken off and separated; the typesetting and discharging device comprises a material taking mechanism, a typesetting mechanism and a disc stacking mechanism, wherein the material taking mechanism moves to the material taking position so as to complete the material taking and placing actions and placing the products on jig plates of the typesetting mechanism in sequence, and the disc stacking mechanism moves the fully-filled jig plates to a discharging position. According to the camera motor shell shaking-off separation and typesetting device, the working efficiency is high, and automatic feeding, shaking-off separation welding, material taking and placing, typesetting, disc stacking and material collecting can be realized.

The invention relates to a vertical winding machine for transformers with amorphous alloy three-dimensional wound iron cores. The vertical winding machine comprises coil molds, rotary gears, a fixing table, wire wheels and motors. Three vertical iron cores are fixed onto the fixing table, each detachable coil mold sleeves the corresponding iron core, the corresponding rotary gears are mounted on the upper side and the lower side of each coil mold, the motors are connected with driving gears, the driving gears are meshed with the rotary gears, wires which are used for being wound on the coil molds are stored on the wire wheels, and tensioning force can be provided by the wire wheels when the wires are about to be wound. The vertical winding machine has the advantages that iron core turnover procedures can be reduced owing to a vertical winding method, stress on the iron cores in horizontal clamping and turnover procedures can be eliminated, the wires can be simultaneously wound on three phases, and accordingly the integral coil winding efficiency can be improved.

The invention discloses an online digital automatic glue dispensing machine for thermal grease. The online digital automatic glue dispensing machine comprises a machine body, wherein an online conveying mechanism, a glue dispensing valve and an online detection mechanism are arranged on the machine body; the online conveying mechanism is used for connecting a front station with a rear station; the glue dispensing valve corresponds to the online conveying mechanism; the glue dispensing valve adopts a precise screw rod extrusion mode so that the glue dispensing precision is ensured; gantry brackets are arranged at both the inlet end and the outlet end of the online conveying mechanism; the glue dispensing valve and the online detection mechanism are synchronously mounted on the gantry brackets through an X-direction moving shaft, a Y-direction moving shaft and a Z-direction moving shaft; the online detection mechanism comprises a CCD image device, a two-dimensional code scanning device and a laser height measuring device. Due to online glue dispensing, a transferring procedure is eliminated, the working intensity is low, the operation time is shortened, the efficiency is improved, and due to online detection, the glue dispensing efficiency is greatly improved, and the product percent of pass is effectively ensured.

The invention relates to the technical field of furniture, in particular to a full-automatic digital control furniture production line. The full-automatic digital control furniture production line comprises a working table. The working table is fixedly provided with conveying seats. The conveying seats are rotatably connected with threaded rods. The threaded rods are both in threaded connection with carrying seats. Two processing devices are equidistantly and fixedly arranged on the working table. Two fixed plates are rotatably connected with a driving rod. The two ends of the driving rod areboth fixedly provided with cams. L-shaped turnover seats are rotatably connected to first connecting rods correspondingly. The driving rod is fixedly provided with a cam seat. The cam seat is rotatably connected with a second connecting rod. The second connecting rod is rotatably connected with a cross-shaped turnover seat. On the basis of a common furniture production line, the full-automatic digital control furniture production line is provided with the turnover, conveying and processing devices, improves the working efficiency and safety, reduces the labor intensity and has wide market prospects.

The invention relates to plate machining equipment, in particular to resin template forming equipment, which comprises a feeding mechanism, a preheating bin, a stamping mechanism, a rack and a power device, wherein the feeding mechanism is provided with a pick-up device and a conveying device; the pick-up device comprises a storage rack and a pick-up arm; the conveying device comprises a conveying belt and a driving motor; the preheating bin and the pick-up device are spaced away from each other for at least one template space; the conveying belt penetrates trough the preheating bin and extends to the space beside the stamping mechanism; the pick-up arm is a pneumatic slide rail structure; a feeding arm is arranged between the stamping mechanism and the preheating bin; a slide rail of the pick-up device is provided with a plurality of groups of travel switches; and the travel switches are connected with a PLC (Programmable Logic Controller) control electrical appliance and comprise a pick-up arm left-right positioning switch, a lifting and positioning switch, a preheating bin discharging and positioning switch, a feeding arm left-right positioning switch and the like. The resin template forming equipment has the advantages of full automation, capability of realizing PLC control from pick-up to discharge, high mechanical degree and capabilities of reducing processes, reducing the risk of manual operation and increasing the production efficiency.

The invention discloses a novel numerical control wire-cut electrical discharge machining method and a novel numerical control wire-cut electrical discharge machining device. The numerical control wire-cut electrical discharge machining device is at least configured with a numerical control X axis, a numerical control Y axis and a numerical control Z axis; a wire electrode is provided with a horizontal cutting section and a vertical cutting section; after a workpiece is clamped once and when the workpiece is processed by utilizing the horizontal cutting section, if the wire electrode in the horizontal cutting section is set to be parallel with the X axis, a straight grain profile, around the X axis, of the workpiece is cut through the linkage of the numerical control Y axis and the numerical control Z axis; if the wire electrode in the horizontal cutting section is set to be parallel with the Y axis, a straight grain profile, around the Y axis, of the workpiece is cut through the linkage of the numerical control X axis and the numerical control Z axis; when the workpiece is processed by utilizing the vertical cutting section, a straight grain profile, around the Z axis, of the workpiece is cut through the linkage of the numerical control X axis and the numerical control Y axis. According to the novel numerical control wire-cut electrical discharge machining method and the novel numerical control wire-cut electrical discharge machining device disclosed by the invention, without turning over the workpiece, the precise complicated straight grain profile of the workpiece can be cut in two vertical and horizontal directions, and therefore, a workpiece turnover process is not needed, a workpiece turnover error is avoided, and the machining precision is improved.

The invention discloses a turnover device applied to the manufacture of an axial type diode. The turnover device includes a bar-shaped substrate, a plurality of material combing teeth and a plurality of orientation teeth, wherein the plurality of material combing teeth are positioned at the middle of the bar-shaped substrate and straightly arranged along the length direction, the plurality of orientation teeth are positioned on one side of the bar-shaped substrate and straightly arranged along the length direction, and thereby a long slot is formed between the plurality of material combing teeth and the plurality of orientation teeth, a material combing tooth slot is formed between the two adjacent material combing teeth, a material combing tooth slot is formed between the two adjacent orientation teeth, and the spacing of the material combing tooth slots is more than the diameters of a first copper lead and a second copper lead; the material combing teeth and the orientation teeth are positioned on the same side of the bar-shaped substrate and arranged oppositely, and a stepped surface is arranged on one side of the long slot and between the material combing teeth and the bar-shaped substrate. According to the turnover device provided by the invention, the purpose of directly loading is achieved, the turnover tools can be reduced, the work efficiency is improved, the turnover process of the diode is reduced, and the product yield is improved.

The invention relates to a rotary deburring structure of a trimming die belt. The rotary deburring structure of the trimming die belt comprises supporting legs, a workbench is installed at the top ends of the supporting legs, a first supporting rod is installed at the top end of the workbench, a connecting block is installed at the top end of the first supporting rod, a connecting block is installed on the inner side of the connecting block, and a rack is slidably connected to the inside of the connecting block. The tooth block end of the rack is connected with a gear in a meshed mode, a connecting plate is installed at the top end of the rack, and a supporting plate is installed behind the connecting plate. According to the rotary deburring structure of the trimming die belt, through the arrangement of a spring, a spline, the rack and a gear, deburring work is completed while die punching is conducted, procedure circulation and labor cost are reduced, through the arrangement of a first bevel gear, a second bevel gear, a transmission shaft, a first fixing bearing and a second fixing bearing, the gear can drive the rack to operate, and the practicability of the rotary deburring structure of the trimming die belt is improved; and the stability of product quality is enhanced, and the problem of missed deburring is solved.

The invention provides an automatic processing method for rotors. The automatic processing method comprises the following steps: A, a rotor blank is hot-sleeved on a rotor shaft blank to form the rotor; B, a manipulator grabs the rotor and sends the rotor to a high-precision lathe for turning; C, the manipulator grabs the rotor and sends the rotor to a high-speed fine carving machine from the high-precision lathe for milling; D, the manipulator grabs the rotor and sends the rotor to an air drying station; and E, the manipulator grabs the rotor and sends the rotor from the high-speed fine carving machine to a paint rolling machine for paint rolling, and then the rotor is discharged. According to the automatic processing method, the rotor is firstly hot-sleeved and then processed, the bending of a slender rotor shaft due to hot sleeve can be corrected, meanwhile, the transposition among various processes is completed through the manipulator, time and labor are saved, turning and grindingdevices in the prior art are replaced by the high-precision lathe, the process turnover is reduced, and the collision caused by turnover transportation is reduced.

The invention discloses a frame-type die-casting product one-time punching device which comprises an upper die assembly and a lower die assembly, wherein first punching pins and punching heads are arranged on an upper die fixing plate of the upper die assembly; second punching pins are arranged on a lower fixing plate of the lower die assembly; positioning inserts which correspond to the first punching pins and the punching heads are arranged on the top surface of a lower die stripping plate; and during the die-casting process of a frame-type die-casting product, the frame-type die-casting product can be punched conveniently through the upper die assembly and the lower die assembly from the upper and lower sides at the same time. The frame-type die-casting product one-time punching deviceis aimed at a conventional frame-type die-casting product shut-off hole burr removing device; the working principles of a composite film and an inverted die are combined; an upper die is designed to achieve stripping in the form of ejector pins; a lower die is designed to achieve stripping in the form of springs; and compared with the prior art, the one-time punching process has the advantages that the process turnover is reduced, the die investment cost is lower than the multi-set die cost, and the actual efficiency of production is improved.

The invention discloses a template clamp product air-cooling device. The template clamp product air-cooling device comprises a draught fan and an air-cooling machine case. The draught fan is fixedly mounted at the upper left end of the air-cooling machine case. The air outlet end of the draught fan is connected with an air inlet of the air-cooling machine case. An air baffle is mounted in the air-cooling machine case. A plurality of slide rolls are mounted on the bottom of the air-cooling machine case at intervals in parallel in the horizontal direction. The front and rear ends of the slide rolls are rotatably mounted on the front and rear inner walls of the air-cooling machine case correspondingly. An air cylinder is further mounted on the outer portion of the left end of the air-coolingmachine case. A piston rod of the air cylinder extends into the air-cooling machine case in the left-right direction of the air-cooling machine case. A push plate is also mounted at the end of the piston rod. The right end of the air-cooling machine case is provided with an air outlet. The template clamp product air-cooling device combines forging thermal stress and strong air cooling to fully achieve hardness enhancement of forgings by making full use of forging waste heat. The thermal treatment production process is omitted. The cost is saved. Environmental pollution is reduced.

The invention provides a stamping die of a single action press. The stamping die of the single action press comprises an upper die and a lower die, and the upper die and the lower die can be respectively arranged on an upper table face and a lower table face of the single action press. The upper die comprises an upper die seat and an upper die core, wherein the upper die core is fixed on an upper die cavity of the upper die seat. The lower die comprises a lower die seat and a lower die core, wherein the lower die core is fixed on a lower die cavity of the lower die seat. The upper die further comprises upper pressing blocks which are arranged in the upper die cavity of the upper die seat and on the periphery of the upper die core, and a plurality of pressing sources which are arranged between the upper pressing blocks and the upper die seat. The lower die further comprises lower externally-pressing blocks which are arranged in the lower die cavity of the lower die seat and on the periphery of the lower die core, and a plurality of limiting columns which are arranged at the bottoms of the lower externally-pressing blocks. According to the stamping die of the single action press, the phenomena of crack and corrugation can be avoided effectively and stamping quality can be guaranteed.

The invention discloses a turnover device applied to the manufacture of an axial type diode. The turnover device includes a bar-shaped substrate, a plurality of material combing teeth and a plurality of orientation teeth, wherein the plurality of material combing teeth are positioned at the middle of the bar-shaped substrate and straightly arranged along the length direction, the plurality of orientation teeth are positioned on one side of the bar-shaped substrate and straightly arranged along the length direction, and thereby a long slot is formed between the plurality of material combing teeth and the plurality of orientation teeth, a material combing tooth slot is formed between the two adjacent material combing teeth, a material combing tooth slot is formed between the two adjacent orientation teeth, and the spacing of the material combing tooth slots is more than the diameters of a first copper lead and a second copper lead; the material combing teeth and the orientation teeth are positioned on the same side of the bar-shaped substrate and arranged oppositely, and a stepped surface is arranged on one side of the long slot and between the material combing teeth and the bar-shaped substrate. According to the turnover device provided by the invention, the purpose of directly loading is achieved, the turnover tools can be reduced, the work efficiency is improved, the turnover process of the diode is reduced, and the product yield is improved.

The invention discloses a novel numerical control wire-cut electrical discharge machining method and a novel numerical control wire-cut electrical discharge machining device. The numerical control wire-cut electrical discharge machining device is at least configured with a numerical control X axis, a numerical control Y axis and a numerical control Z axis; a wire electrode is provided with a horizontal cutting section and a vertical cutting section; after a workpiece is clamped once and when the workpiece is processed by utilizing the horizontal cutting section, if the wire electrode in the horizontal cutting section is set to be parallel with the X axis, a straight grain profile, around the X axis, of the workpiece is cut through the linkage of the numerical control Y axis and the numerical control Z axis; if the wire electrode in the horizontal cutting section is set to be parallel with the Y axis, a straight grain profile, around the Y axis, of the workpiece is cut through the linkage of the numerical control X axis and the numerical control Z axis; when the workpiece is processed by utilizing the vertical cutting section, a straight grain profile, around the Z axis, of the workpiece is cut through the linkage of the numerical control X axis and the numerical control Y axis. According to the novel numerical control wire-cut electrical discharge machining method and the novel numerical control wire-cut electrical discharge machining device disclosed by the invention, without turning over the workpiece, the precise complicated straight grain profile of the workpiece can be cut in two vertical and horizontal directions, and therefore, a workpiece turnover process is not needed, a workpiece turnover error is avoided, and the machining precision is improved.

The invention discloses a continuous manufacturing system of a conductive connecting layer, and relates to the field of photovoltaic technology. In the manufacturing system, in a process that a longitudinal metal wire pulling module pulls a longitudinal metal wire to move, a transverse metal wire pulling module, a transverse cutting module, a welding module and alongitudinal cutting module on the processing line sequentially work to manufacture the conductive connecting layer, all the modules on the processing line are tightly combined, the automation degree is high, the longitudinal metal wire adopts a continuous stretching mode, cutting and segmenting are not conducted in the early stage, the turnover process can be effectively reduced, and efficient and continuous manufacturing of the conductive connection layer can be realized. In addition, the manufacturing system can meet the requirement that the metal wire does not deform, meanwhile, the flattening and / or annealing process can be further implanted, the yield strength of the metal wire can be reduced, technical process support is provided for reducing the welding internal stress, and a channel and a direction are provided for further thinning the battery piece.

The invention relates to a stamping die, in particular to a continuous stamping die for a bottom plate of an automobile heating motor end cover. The continuous stamping die comprises an upper die part, a lower die part and an air cylinder forming part, wherein the air cylinder forming part comprises a tearing terrace die, a forming terrace die, a spring, a flanging-sizing terrace die, a piercing die, a plunging die and a blanking die, which are sequentially arranged on the upper die part, as well as a flanging-sizing cavity die which is arranged on the lower die part. Compared with the prior art, the continuous stamping die has the advantages that the die structure and the process are improved, so that a plurality of pairs of conventional single dies are integrated onto one pair of dies, and therefore, production efficiency and product quality are greatly improved; and dual floating blocks are adopted to guide and feed, so that too heavy products carried unilaterally are fed smoothly inside the die.

The invention belongs to the technical field of mining equipment manufacturing, and relates to automatic pairing and intelligent welding equipment of a baffle assembly for a belt conveyor tensioning device. A bottom plate pushing plate pushes the bottommost bottom plate to a bottom plate positioning plane, each pair of bottom plate supporting fingers tightly support one corresponding bottom platehole, and the second ends of bottom plate pressing claws tightly press the upper surface of the bottom plate. The bottom plate positioning plane is overturned to face forwards to be in a vertical direction. A baffle supporting device supports and tightly supports a baffle, and a baffle horizontal pushing air cylinder pushes the baffle to the bottom plate. A rotating assembly servo motor drives a rotating assembly to rotate, a parallel radial servo motor drives a radial turnover assembly and a vertical radial turnover assembly to turn over, and a side plate pushing front air cylinder drives a combination of a side plate pusher and a side plate to the bottom plate. An intelligent welding robot welds the adjacent edges. Baffle holes are positioned and clamped through a precision clamp, procedures and working hours are saved, the automation degree is increased, working steps are reduced, and the size precision of a workpiece is improved.

The invention relates to the technical field of punching, and specifically discloses an undercut forming punching mechanism arranged in a mold, which is arranged in an upper mold of a forming mold frame, and includes a slider forming mechanism and a punching mechanism. The slider forming mechanism includes The slider pushes the cylinder and the forming slider, the slider pushes the cylinder and is fixed on the upper die, and the output end of the slider pushes the cylinder to connect with the forming slider; the punching mechanism includes the punch pushing the cylinder, the punch and the fixed insert, and the fixed insert The block is fixed on the upper die, the punch pushing cylinder is fixed on the fixed insert, and the punch is fixed at the output end of the punch pushing cylinder. The undercut forming and punching mechanism of the present invention is mainly used for forming and punching the carpet with inwardly concave holes in the interior parts of the automobile. The concave hole is punched, so that forming and punching can be completed at one time, which improves work efficiency, reduces process turnover, and ensures product quality.

The invention discloses a network terminal receiver chassis tool. The network terminal receiver chassis tool is characterized in that an axial convex ridge is reserved on a columnar tool body, notch-shaped longitudinal station grooves and notch-shaped transverse station grooves are formed in the convex ridge, square wedging stop blocks are arranged at one ends of the longitudinal station grooves and one ends of the transverse station grooves, trapezoid-shaped wedging blocks are arranged in the middles of the wedging stop blocks, the wedging blocks are connected with the convex ridge through fastening bolts in the radial direction, positioning pins are correspondingly arranged between the inner surfaces of the wedging stop blocks and the bottom surfaces of the longitudinal station grooves and between the inner surfaces of the wedging stop blocks and the transverse station grooves, and connecting bolt holes are reserved in the root of the tool body. The network terminal receiver chassistool solves the problems that the precision is poor when a simple tool is used for machining a chassis, and the working efficiency is low, and therefore, the network terminal receiver chassis tool isvery suitable for being used for machining a receiver chassis.

The invention belongs to the field of material application and discloses a new material for gas quenching of chain wheel. The new material comprises the following substances in percentage by weight: 0.14-0.2% of carbon, <=0.4% of silicon, 0.5-0.9% of manganese, 1.4-1.7% of nickel, <=0.025% of phosphorus, <=0.035% of Sulphur, 1.4-1.7% of chromium and the balance of iron. By adopting the new material and under the assistance of the improved technology, the production period is shortened to 25 days, and the processed chain wheel has good comprehensive performances.

The invention relates to a preparation method of an asymmetric rare earth capacitor battery, and belongs to the field of water power battery. The method comprises the steps that: positive electrode and negative electrode battery slurries and a capacitor slurry are prepared; the positive electrode slurry is coated on foamed nickel, such that a positive electrode is prepared; bake-drying, rolling, powder removing, welding, and longitudinal and transverse cutting are carried out, such that a positive electrode sheet is prepared; the positive electrode sheet is packaged by using a separation film bag; the negative electrode slurry is coated on foamed nickel, and the materials are bake-dried; the capacitor slurry is coated on the material, and secondary bake-drying, rolling, powder removing, welding, and longitudinal and transverse cutting are carried out, such that a negative electrode sheet is prepared; the positive and negative electrode sheets are stacked, such that a battery core is prepared; the battery core is placed in a housing, and welding, top cover sealing, and liquid injection are carried out; and series connection formation is carried out, such that the battery is prepared. According to the invention, laminated coating is adopted in preparing the negative electrode sheet, such that the capacitor material is completely effectively combined with the battery material, and the integration of the positive and negative electrode sheets and the conductive lugs is realized. The battery has the advantages of high safety, environment friendliness, and low cost. The battery has both the energy density advantage of a nickel-metal hydride battery and the power density advantage of an asymmetric supercapacitor, such that operation conditions for electric vehicle and the like can be achieved.

The invention discloses an efficient processing device for a diode device. The efficient processing device includes a bar-shaped substrate, a plurality of material combing teeth and a plurality of orientation teeth, wherein the plurality of material combing teeth are positioned at the middle of the bar-shaped substrate and straightly arranged along the length direction, the plurality of orientation teeth are positioned on one side of the bar-shaped substrate and straightly arranged along the length direction, and thereby a long slot is formed between the plurality of material combing teeth and the plurality of orientation teeth, a material combing tooth slot is formed between the two adjacent material combing teeth, a material combing tooth slot is formed between the two adjacent orientation teeth, and the spacing of the material combing tooth slots is more than the diameters of a first copper lead and a second copper lead; the material combing teeth and the orientation teeth are positioned on the same side of the bar-shaped substrate and arranged oppositely, a left handle and a right handle are respectively arranged at two ends of the bar-shaped substrate along the length direction, and the upper end of each material combing tooth is provided with a hook part stretching into the long slot. The efficient processing device can comb up the welded diode from a graphite boat and rotate for 180 degrees without dropping materials, and thereby the turnover tools is reduced, and the man efficiency and yield are improved.

The invention discloses a method and a structure for plugging a glue inlet hole and a glue channel of a mould. The method includes the steps of 1) pre-drilling a material cave on the glue channel by a bench worker when the glue inlet hole and the glue channel of the mould need to plug; 2) pressing a rivet into the glue inlet hole and the glue channel and striking and extruding the rivet by the bench worker with tools so that the rivet fully fills and is firmly attached to the glue inlet hole and the glue channel; and 3) sleeking the two ends of the glue inlet hole and the surface of the glue channel to ensure the filled position and the surface of the mould to be smooth and flat to finishing plugging of the glue inlet hole and the glue channel. The structure is simple, safe and reliable, is smart in design and simple in operation, is free of build-up welding by a welder and reduces process turnover and process turnover time. The plugging material after improvement is aluminum which is easier to repair when compared with a build-up welding material, so that fitting time of a bench worker is reduced. The method is increased by 300-400% in efficiency after improvement.

The invention discloses a dual damsecene process method, which comprises the following steps of: 1, sequentially forming a first interlayer film, a trench etching stop layer and a second interlayer film on a semiconductor substrate, and performing selective etching to form an opening of a through hole; 2, depositing a light blocking protection layer to completely fill the opening of the through hole and extend to the whole surface of the second interlayer film outside the opening of the through hole; 3, forming a first photoresist pattern to open a trench forming region; 4, taking the first photoresist pattern as a mask to perform back etching on the light blocking protection layer; 5, etching the second interlayer film by taking the first photoresist pattern as a mask and the trench etching stop layer as a stop layer to form a trench; and 6, removing the first photoresist pattern and the light blocking protection layer. The process flow can be simplified, the process cost and the process time are saved, and the product quality can be improved.

The invention relates to an AB battery cell winding all-in-one machine which comprises lower diaphragm unwinding devices, cathode unwinding devices, upper diaphragm unwinding devices and anode unwinding devices, and material strips conveyed by the lower diaphragm unwinding devices, the cathode unwinding devices, the upper diaphragm unwinding devices and the anode unwinding devices are wound to a winding needle device through a roller passing device to be wound; two groups of lower diaphragm unwinding devices, two groups of cathode unwinding devices, two groups of upper diaphragm unwinding devices and two groups of anode unwinding devices are arranged in parallel at intervals; each of the roller passing device and the winding needle device is provided with two winding parts arranged in theaxial direction. According to the invention, the consistency of tension and size in the winding process of the A and B battery cells can be ensured, the quality of the battery cells is improved, the Aand B battery cells do not need to be separated on an operation interface, and the two battery cells can be universally used by directly setting parameters on one interface. Cost can be greatly reduced. Battery turnover procedures are reduced, the production efficiency is improved by more than 50%, and the production process quality is improved.