22results about How to "Wrinkle free" patented technology

This invention belongs to the field of semiconductor materials technology and discloses a method for preparing transferable layered bismuth oxide selenide semiconductor thin films by heterolayer interface control. The method includes: 1) activating and growing a substrate; 2) depositing an interface-controlled heterolayer, which is a two-dimensional material or a water-soluble oxide; 3) CVD growing a Bi₂O₂Se thin film on the heterolayer; and 4) using a polymer support film to assist wet peeling, separating the film from the substrate and transferring it to a target substrate. This invention solves the problem of non-destructive transfer due to excessively strong adhesion between the film and substrate by introducing a heterolayer with weak interfacial interactions, and is applicable to fields such as flexible electronics and silicon-based integration.

This application discloses a foreign fiber removal device for cotton web, relating to the field of textile machinery and equipment. It includes a frame and a feeding conveyor belt, a foreign fiber detection component, and a spray valve assembly mounted on the frame. An impurity collection channel is fixedly provided at the feeding end of the feeding conveyor belt. The impurity collection channel has an upper opening as its inlet and a lower opening as its outlet, with the inlet plane located below the conveying surface of the feeding conveyor belt. The foreign fiber detection component and the spray valve assembly are located above the feeding conveyor belt and the impurity collection channel, with the detection end of the foreign fiber detection component and the ejection end of the spray valve assembly both facing the inlet of the impurity collection channel. This device can perform online foreign fiber detection and positioning on the cotton web output from the carding machine, and spray airflow to accurately eject foreign fibers. Combined with the fan and impurity collection channel, it quickly guides foreign fibers away from the production line, thereby effectively removing foreign fiber impurities from the cotton web and achieving online removal of foreign fibers from the cotton web.

This invention relates to the field of lithium-ion battery manufacturing technology, specifically providing a full-tab battery cell for large cylindrical batteries, its preparation method, and applications. This invention innovatively employs a "winding-fixing-laser axial cutting-graded flattening" process flow, changing the traditional "cut-then-winding" process long used in the industry, achieving a breakthrough in the precision of tab forming. Specifically, after the bare cell is wound, the blank areas of each current collector layer have formed a stable stacked structure, which is precisely fixed using a special fixture and simultaneously cut along the axial direction by laser, completing the high-precision forming of multiple tabs in one step. This method fundamentally eliminates the problem of accumulated deviations caused by step-by-step operations in traditional winding processes, stably controlling the tab alignment accuracy within 0.1mm, effectively solving the long-standing problem of alignment consistency in existing technologies.

The utility model discloses full-automatic straight paper cup processing equipment which comprises a bottom plate, a plurality of rollers are rotatably connected to the inner surface of the bottom plate, a paper conveying belt is rotatably connected to the outer walls of the rollers, a supporting frame is fixedly connected to the upper surface of the bottom plate, a hydraulic rod is fixedly connected to the lower surface of the supporting frame, and a lifting frame is fixedly connected to the lower end of the hydraulic rod. A cover shell is fixedly connected to the lower surface of the lifting frame, two sliding grooves are formed in the cover shell, sliding blocks are connected to the inner surfaces of the two sliding grooves in a sliding mode, through the components, the edge of paper can be flattened, the paper can be wound and attached to be made into the paper cup subsequently, the flat edge can guarantee that all parts of the paper cup are attached tightly in the forming process, and the paper cup forming quality is improved. The paper cup is simple in structure and free of wrinkles and gaps, so that the overall quality of the paper cup is improved, and the situation that paper scraps are clamped between the edges of the paper when the paper is wound and attached, and the paper cannot be completely and tightly attached together can be prevented.

The utility model relates to the technical field of battery manufacturing, in particular to a dry-method electrode rolling film-forming production line. The dry electrode rolling film forming production line comprises an extension mechanism, the extension mechanism comprises a driving roller and a plurality of extension rollers matched with the driving roller, the driving roller and the extension rollers are oppositely arranged, the driving roller and the extension rollers are arranged in parallel, and the total length of the extension rollers is smaller than that of the driving roller, the extension rollers and the driving roller which are used for extending a non-coating area of a material belt. Due to the fact that the material belt firstly passes through the extension mechanism to enable the non-coating area to be stretched, and then the coating area is calendered, the non-coating area is calendered and stressed in advance to release stress in advance, when the coating area of the material belt is calendered, the reverse acting force borne by the non-coating area is reduced, and then the flat material belt is obtained. And the non-coating area of the pole piece does not wrinkle after being stretched.

The application discloses a 46120 type cylindrical battery shell drawing process, which comprises the following steps: drawing a blank with a diameter of 145mm-150mm and a thickness of 0.6mm±0.06mm, the drawing coefficient ranges from 0.54 to 0.56, the first concave die entering mode radius ranges from 7mm to 10mm, the first convex die radius ranges from 7mm to 10mm, the edge pressing mode is flat edge pressing, the edge pressing force ranges from 2.5T to 3.0T, and a hollow cylindrical first semi-finished product is formed after drawing. The 46120 type cylindrical battery shell drawing process can realize the forming of the cylindrical battery shell through four drawing processes, and greatly improves the drawing efficiency.

The invention discloses automatic packaging equipment for optical protective film production, and relates to the technical field of optical protective film packaging, and the automatic packaging equipment comprises an optical protective film limiting conveying module, a packaging module and an auxiliary overturning module; the optical protective film limiting conveying module comprises a base, a linear motion module is installed at the upper end of the base, a main drive turnover mechanism is installed above the output end of the linear motion module, and limiting assemblies are symmetrically installed on the left side and the right side of the main drive turnover mechanism. The auxiliary turnover module comprises a mounting frame, an auxiliary turnover mechanism and a control assembly are mounted on the mounting frame, and the control assembly is used for driving a turnover roller set on the auxiliary turnover mechanism to be attached to the side portion of the optical protective film roll. According to the automatic packaging equipment for optical protective film production, through limiting, main and auxiliary cooperative overturning and automatic winding packaging, high-precision, lossless, efficient and full-automatic packaging of optical film rolls of different specifications is achieved, slipping, eccentricity and wrinkles are effectively prevented, and the clean and flat packaging requirements of high-end optical materials are met.

The invention relates to an aviation sheet metal heat shield part forming die and a forming method, and belongs to the technical field of aviation manufacturing sheet metal forming. The invention discloses an aviation sheet metal heat shield part forming die and a forming method. The forming die comprises a drawing die and a hydraulic die. The drawing die is used for forming a semi-finished product part and comprises a female die, a male die, a blank holder, an ejector block, an upper die plate and a lower die plate, the female die and the ejector block are respectively connected with the upper die plate, the male die and the blank holder are respectively connected with the lower die plate, a part combination blank is arranged between the male die and the ejector block, and the blank holder tightly presses the part combination blank. The hydraulic die is used for forming a final part finished product and comprises a hydraulic female die, a hydraulic male die and a cover plate, during hydraulic forming, the cover plate presses the web face of a semi-finished part, the semi-finished part is completely attached to the hydraulic female die and the hydraulic male die, and the final part finished product is obtained after trimming. The invention has the following advantages: the production efficiency of parts is improved; the qualified rate of parts is high; and the production efficiency is obviously improved.

The utility model provides a gift box L-shaped sealing and cutting machine structure capable of improving heat shrinkage uniformity, and belongs to the technical field of sealing and cutting machines, the gift box L-shaped sealing and cutting machine structure capable of improving heat shrinkage uniformity comprises a sealing and cutting base, a pressing cover frame, an adjusting baffle assembly, a heating wire assembly and a cutter assembly, the press-fit cover frame is located over the sealing and cutting base, the sealing and cutting base and the press-fit cover frame are correspondingly arranged in the vertical direction, the short edge of one side of the press-fit cover frame is connected with the corresponding short edge of the sealing and cutting base through a hinge structure, and a rotating shaft of the hinge structure is parallel to the straight line where the short edge of the sealing and cutting base is located. The adjusting baffle assembly is installed in the sealing and cutting base, the heating wire assembly is arranged around the adjusting baffle assembly, the cutter assembly is installed at the corresponding position of the sealing and cutting base and the pressing cover frame, and the problems that heating elements in a traditional sealing and cutting machine are unreasonable in layout and uneven in stress are solved.

This utility model discloses a quick-support device for flexible membrane bags used in sealed walls of tunnels, specifically relating to the field of fan blades. It includes a base frame, with two side frames fixedly connected to the inner side of the base frame. A central frame is fixedly connected to the left side of each of the two side frames. A T-shaped slider is slidably connected between the two side frames. A linkage belt is fixedly connected to the top of the central frame, with one end of the linkage belt away from the central frame fixedly connected to the T-shaped slider. A fixing rod is fixedly connected to the right side of the T-shaped slider. This utility model uses a hydraulic cylinder to drive a top support wheel to move up and down, which in turn drives the T-shaped slider to slide down via the linkage belt, thereby adjusting the height of the support frame. The angle of the support frame can be freely adjusted using the first, second, and third universal ball joints between the fixing rod and the lever arm. A cylinder drives a second fixing ring and a linkage rod to move, which in turn causes the support frame to open, thus preventing damage to the flexible membrane bag due to wrinkles.

The invention relates to the field of tissue packaging equipment, and discloses a soft tissue packaging machine with a synchronous upward-insertion film package keeping mechanism, which comprises a transfer assembly, a downward-insertion plate sealing assembly, a conveying power source in transmission connection with the transfer assembly, and a material accommodating space between an upper clamping part and a lower clamping part. The lower inserting plate is used for folding the side lower portion of the packaging film at the feeding station, the transferring assembly is provided with at least one end maintaining path between the feeding station and the sealing station, and the attaching plane of the lower inserting plate makes contact with the outer surface of the side lower portion of the packaging film and enables the lower inserting plate to be attached to the side portion of stacked materials all the time on the maintaining path. And the lower inserting plate is withdrawn out of the material accommodating space before reaching the sealing station or when reaching the sealing station. The lower inserting plate and the side lower portion of the packaging film are kept to be attached to the side portion of stacked materials during conveying, the side upper portion of the packaging film can be turned from a drooping state to a natural covering state under the gravity effect in the conveying process, and the problems of loosening and edge warping of the side lower portion of the film material are thoroughly solved.

This utility model relates to a road and bridge crack reinforcement structure, belonging to the technical field of road and bridge crack reinforcement structures. The road and bridge crack reinforcement structure includes: a base, carbon fiber cloth and guide components, a frame, a bidirectional threaded rod, a support frame, guide rollers, and pressure rollers. The guide rollers and pressure rollers rotate on the same horizontal plane. The bidirectional threaded rod can adjust the distance between the two support frames to accommodate reinforcement requirements of carbon fiber cloth of different widths. Guide rollers and pressure rollers are movably inserted into the two support frames to ensure the carbon fiber cloth remains flat during laying. The guide components are located on both sides of the support frames and are movable at both ends of the guide rollers to prevent the carbon fiber cloth from shifting during laying. The carbon fiber cloth is movably sleeved on the surface of the bidirectional threaded rod, with one side sliding along the surface of the guide rollers and pressure rollers. Through the compaction action of the pressure rollers, the carbon fiber cloth is tightly adhered to the crack surface, thereby effectively improving the load-bearing capacity and durability of the bridge structure.

The application provides a high-precision diaphragm precision stamping forming process method, which comprises the following steps: cutting to obtain a diaphragm blank; stamping and blanking and preforming a wave surface on the diaphragm blank; making the outer contour size of the preformed diaphragm and the R angle and wave height of the wave surface meet the preforming size requirements, and ensuring that the planes between the wave surfaces of the preformed diaphragm are wrinkle-free; performing wave surface correction on the preformed diaphragm, so that the R angle and wave height of the diaphragm wave surface meet the wave surface size and precision requirements of the diaphragm product; and processing the outer contour of the diaphragm after the wave surface correction, so that the outer contour of the diaphragm meets the outer contour size and precision requirements of the diaphragm product, and the diaphragm product is obtained. The application effectively solves the problems of poor wave surface forming precision and wrinkle generation of a high-precision diaphragm with a wave surface and a small deformation area when the stretching ratio is close to the limit, and improves the qualified rate and production efficiency of diaphragm forming.

The application relates to the field of battery production and manufacturing, and discloses a multi-section type rubbing and flattening device and method for full-tab batteries, which comprises a multi-section type positive and negative electrode rubbing and flattening mechanism and a battery cell clamping and conveying mechanism, the multi-section type positive and negative electrode rubbing and flattening mechanism comprises a positive electrode feeding assembly, a positive electrode rubbing and flattening assembly, a negative electrode feeding assembly and a negative electrode rubbing and flattening assembly; the positive electrode feeding assembly comprises a positive electrode feeding servo motor and a positive electrode rotating servo motor; the positive electrode rubbing and flattening assembly comprises a first-section battery cell positive electrode rubbing and flattening mechanism, a second-section positive electrode rubbing and flattening mechanism and a third-section positive electrode rubbing and flattening mechanism; and the battery cell clamping and conveying mechanism comprises a clamping jaw mechanical hand and an up-down moving servo motor. Through the multi-section type cooperative rubbing and flattening process, a single device can complete rubbing and flattening processing of 50 battery cells per minute, the efficiency is more than 10 times that of a traditional single device, the high productivity demand can be met without parallel connection of multiple devices, and the industry pain point of low traditional rubbing and flattening efficiency is completely solved.

The application discloses a kind of injection mold cloth hanging needle structure, including needle body, the rear section of the needle body is fixed section, the front section of the needle body is function section, the front section of the needle body protrudes from the mold face of injection mold, the function section is needle tip, single blade section and cylindrical section in turn from front to back, the single blade section is provided with single blade edge extending along the axial direction of the needle body.This application also discloses an injection mold with injection mold cloth hanging needle structure on the periphery of the cavity in the fixed mold, and an injection molding production line using such injection mold and freezer cooperation.This application can speed up the production rhythm, improve efficiency and ensure that cloth does not wrinkle.

The utility model relates to a kind of anticorrosive pipe end pasting paper devices in anticorrosive steel pipe, belong to spiral submerged arc steel pipe anticorrosive spraying technical field, including inner side plate and outer side plate, inner side plate and outer side plate between rotation setting adhesive tape wheel and auxiliary wheel, adhesive tape wheel is used to install adhesive tape, auxiliary wheel is used to compact and stick adhesive tape on steel pipe inner wall;The height of outer side plate is greater than inner side plate, and outer side plate can be used to adhere with steel pipe end, positioning the device;The utility model is convenient and fast, improves pipe end pasting paper efficiency, and each steel pipe pasting paper operation only needs 3-4 seconds;The precision of using the utility model pasting paper is high, and stability is strong, can make adhesive tape paper evenly adhere on steel pipe inner wall, without wrinkle, not easy to fall off;The utility model is easy to disassemble and assemble, easy to manufacture, and low in cost;The utility model is suitable for steel pipe diameter range, and pipe diameter φ508-φ1626mm can be used.

The utility model discloses a kind of double-sided vertical coating mechanisms, it is related to coating equipment field, to solve the problem of low efficiency, poor yield of existing coating mode. The mechanism includes rack, and fixedly installed with workstation on rack;The middle part fixedly installed with vertical support on workstation, and detachably installed with taut frame in vertical support, and installed with flexible material in taut frame;Left and right sides on workstation are fixedly installed with X-axis conveying mechanism, and Z-axis conveying mechanism is provided on X-axis conveying mechanism, and X-axis conveying mechanism drives Z-axis conveying mechanism to set close to or away from taut frame, and Z-axis conveying mechanism is provided with coating unit, and Z-axis conveying mechanism drives coating unit to move up and down, and two coating units are coated respectively on the surface of the both sides of flexible material;The utility model realizes the double-sided synchronous coating of flexible material, improves efficiency by more than 1 times, and coating yield is higher, and it is convenient to operate, and widely applicable, and can satisfy batch production demand.

The utility model discloses a rolling conveying back-up roll for a film blowing machine and a special ABS (Acrylonitrile Butadiene Styrene) roller, which comprise a mounting shaft and fixing rings, and the fixing rings are respectively and fixedly arranged at two ends of the mounting shaft; the device is characterized in that the mounting shaft is sleeved with ABS rolling wheels which are evenly distributed, and a gap is formed between every two adjacent ABS rolling wheels; the ABS roller is composed of a center cylinder, an outer cylinder and a connecting plate, a center hole is formed in the middle of the center cylinder, the inner wall of the outer cylinder and the outer wall of the center cylinder are connected and fixed into a whole through the connecting plate, and the two ends of the center cylinder are 1-5 mm longer than the two ends of the outer cylinder respectively. The ABS roller device is installed on a herringbone plate, an edge inserting plate or a bubble stabilizer for use, the friction force of contact between the ABS roller and a film is reduced, the film is kept flat in the conveying process, wrinkles and scratches are avoided, and the quality of the film is improved.

The utility model relates to the technical field of textile fabric printing and dyeing, in particular to an efficient short-process textile fabric printing and dyeing device which comprises a printing and dyeing box, the inner side of the printing and dyeing box is rotationally connected with multiple sets of guide rollers, the position, close to the bottom end, of the inner wall of the printing and dyeing box is rotationally connected with a dip dyeing roller, and the dye liquor amount of the inner side of the printing and dyeing box is higher than the top face of the dip dyeing roller. A drying box is installed on one side of the printing and dyeing box, a water squeezing assembly is installed on the side, close to the drying box, of the printing and dyeing box, a discharging port is formed in one side of the drying box, a feeding port is formed in one side of the printing and dyeing box, and a double-face drying mechanism is installed on the drying box. The double-face drying mechanism comprises a flow dividing assembly, a rolling and pushing assembly and a movable assembly. The fabric drying device is simple in structure, convenient to operate and capable of drying the two faces of a fabric, the fabric can be flattened during drying, the surface of the fabric is free of wrinkles, practicability is further improved, and the subsequent printing and dyeing effect is guaranteed.

A foundation for a cellar bottom includes, from bottom to top, a compacted soil layer, a clay layer, a waterproof and breathable membrane, a neutral cellar mud layer, and a cellar bottom cultivation mud layer. The waterproof and breathable membrane includes a fixed frame, a breathable membrane body, and positioning patches. The fixed frame is U-shaped, including a rectangular frame and rectangular membrane body limiting holes located within the rectangular frame. The shape of the breathable membrane body is adapted to the shape of the rectangular membrane body limiting holes. Several positioning patches are laid horizontally and vertically at intervals on the top surface of the breathable membrane body, and both ends of each positioning patch are adhered to the top surfaces of both sides of the fixed frame, so that the breathable membrane body and the fixed frame are fixed together. In this application, the waterproof and breathable membrane has countless ultra-fine tortuous channels formed between the fibers, which block liquid water and diffuse gaseous water, while achieving waterproofing and breathability. It forms a continuous waterproof layer at the bottom of the cellar, which can effectively prevent the penetration of liquid water.

The utility model relates to the field of winding machines, and discloses a silicon steel winding machine which comprises an installation frame, a sliding rail is installed on the front surface of the installation frame, a connecting column is installed on the inner wall of the installation frame, an expansion frame is arranged on the front surface of the connecting column, and an adjusting discharging mechanism is arranged on the front surface of the installation frame. And the adjusting discharging mechanism comprises a tension adjusting assembly, the tension adjusting assembly comprises a supporting disc, the supporting disc is fixedly connected to the front surface of the mounting frame, the front surface of the supporting disc is rotationally connected with an adjusting disc, the front surface of the supporting disc is provided with a moving groove, and the inner wall of the moving groove is slidably connected with a pressing rod. According to the utility model, through the arrangement of the tension adjusting assembly, when silicon steel is wound, uniform radial pressure is applied to the silicon steel, uneven tension caused by thickness fluctuation or speed change of the silicon steel in the winding process is dynamically compensated, it is ensured that layers of silicon steel coils are tightly attached without wrinkles, and the practicability of the device is improved.

The application belongs to the technical field of saline-alkali soil mulching, and particularly relates to a novel saline-alkali soil mulching machine, which comprises an external frame, a soil breaking mechanism fixedly installed on one side of the external frame, a power moving device fixedly installed in the external frame, and a soil covering mechanism also fixedly installed in the external frame. The external frame comprises a frame, a partition plate fixedly installed on the inner side of the frame, and the partition plate divides the frame into two spaces. The application has a reasonable structure design and clear function partition. The external frame is used as a main support structure, the space is divided into two parts by the partition plate, and the power moving device and the soil covering mechanism are installed respectively. The design makes the function partition of the device clear, facilitates maintenance and operation, and improves the space utilization.