272results about "Screen printing" patented technology

The invention relates to the technical field of printing screens, in particular to a screen and a manufacturing method thereof, a solar cell and a production method thereof, and a photovoltaic module. The screen printing plate comprises a film body, graphical grid line printing holes are formed in the film body, the grid line printing holes comprise grid line main body printing holes and lap joint printing holes which are communicated, and the grid line main body printing holes are configured to be consistent with an auxiliary grid printing area or a main grid printing area in graph. The lap joint printing hole is configured to be consistent with the pattern of the lap joint printing area; in the thickness direction of the film body, one end of each grid line main body printing hole is exposed out of the first surface, and the other end of each grid line main body printing hole is positioned in the film body; the lap joint printing hole penetrates through the film body, and the two ends of the lap joint printing hole are exposed out of the first face and the second face respectively. When the screen printing plate is used for printing, not only can the slurry cost be reduced, but also higher printing quality can be achieved.

The invention relates to the field of photovoltaic technology, in particular to a solar cell, a photovoltaic module and a printing screen. The solar cell comprises a substrate, the substrate is provided with a fine grid, a first connecting point and a second connecting point, the first connecting point comprises a first connecting part, the second connecting point comprises a second connecting part, the width of the first connecting part is L1, the width of the second connecting part is L2 in the second direction y, and L1 and L2 meet the condition that L1 / L2 is larger than or equal to 1.02 and smaller than or equal to 1.5. In the process of assembling the solar cell and the solder strip to form the photovoltaic module, the contact area between the first connection point and the solder strip is increased by arranging the first connection part with a larger size along the second direction y, so that the connection strength between the first connection point and the solder strip is improved; therefore, the first connection point can be preferentially arranged in the high-risk area on the substrate, so that the possibility of relative displacement or mutual separation of the first connection point and the second connection point in the high-risk area is reduced, and the stability and the reliability of the solar cell and the photovoltaic module in the working process are improved.

The screen printing machine comprises a feeding mechanism, a printing machine table and a discharging mechanism which are arranged in sequence, and the feeding mechanism is used for conveying battery pieces to be printed to a feeding position; the printing machine table comprises a machine frame, a transferring mechanism and at least two printing parts, each printing part comprises a mounting machine frame, a printing table and a printing mechanism, the mounting machine frames extend in the second horizontal direction, and the printing tables can move to the material receiving station, the printing station and the discharging station in the second horizontal direction to be mounted on the mounting machine frames; the printing mechanism is used for printing the battery pieces on the printing table on the printing station; the transfer mechanism is used for picking up the battery pieces at the feeding position, conveying the picked battery pieces to the positions above the material receiving stations of all the printing parts in the first horizontal direction and then releasing the battery pieces to the printing tables located on the material receiving stations. According to the screen printing machine, the overall length of the machine table is greatly shortened, and equipment can be conveniently placed in a workshop.

The present invention discloses a four-position full-cell solar silicon wafer printer, including a base, an infeed guide rail, a detection camera assembly, a turntable assembly, a lifting module, a UVW correction alignment mechanism, and an outfeed guide rail. The UVW mechanism comprises two Y-axis modules, one X-axis module, a printing platform, a steel mesh frame, and a printing squeegee kit. The Y / X-axis modules are under the platform, their drive ends connected to the steel mesh frame. The squeegee kit moves left-right on the platform. It uses the Y / X-axis modules and detection camera to realize X, Y, θ three-axis motion, ensuring steel mesh-silicon wafer alignment and optimizing printing directions.

The invention relates to the technical field of printing screens, in particular to a printing screen and a manufacturing method thereof. The printing screen comprises a screen body and a filiform structure. A printing groove is formed in the screen printing plate body and penetrates through the screen printing plate body in the thickness direction of the screen printing plate body, and the length direction of the printing groove is the first direction. The filamentous structure is arranged at the position of the printing groove on the screen printing plate main body; in the first direction, the filiform structure corresponds to a local area of the printing groove; the filiform structure extends along a second direction, and the second direction intersects with the first direction. According to the screen printing plate, the silk-shaped structure is locally arranged, so that the screen printing plate body has high structural strength and long service life, the rest area, not provided with the silk-shaped structure, of the printing groove has good slurry passing ability, and the printing appearance of grid lines is good.

The invention relates to the technical field of industrial Internet of Things, edge calculation, silk-screen and the like, and provides a substrate silk-screen method and equipment based on an intelligent silk-screen unit, and the method comprises the steps: configuring a feeding mechanism, a dust removal mechanism, a pre-printing alignment mechanism and a printing mechanism which are connected in sequence, and establishing an industrial Internet of Things information sensing layer and an edge gateway which are in two-way communication with the feeding mechanism, the dust removal mechanism, the pre-printing alignment mechanism and the printing mechanism. Order and formula data are received through a gateway, multi-source sensing point location real-time data are fused, a production model with a unified time reference and batch identification is constructed, and process parameters are dynamically issued. And during feeding, the model and the warping degree of the substrate are automatically recognized, and dust removal parameters are synchronously adjusted. In the printing process, screen tension, scraper stress, motor current and printing ink rheological property are monitored in real time and fused to obtain a printing ink comprehensive rheological characteristic value, scraper parameters and an ink return time sequence are cooperatively regulated according to the printing ink comprehensive rheological characteristic value, and a printing quality estimated value is output. According to the method, collaborative optimization and quality estimation of the whole printing process are achieved, and the production adaptability and consistency of product printing are improved.

This application provides a curved surface screen printing apparatus, comprising: a worktable; a lifter disposed opposite to the worktable; a contour screen fixedly connected to the lifter, the contour screen being located above the worktable; and a squeegee device disposed on the top of the contour screen, wherein the squeegee device comprises: a squeegee fixing device disposed on the top of the contour screen; a squeegee moving track fixed on the squeegee fixing device; a squeegee rotating device disposed on the squeegee moving track; and a squeegee fixed on the squeegee rotating device. The solution of this invention can achieve printing on concave and convex surfaces without encountering intractable defects such as uneven ink thickness, screen sticking, and ink leakage.

A work carrier, particularly a work carrier for manufacturing three-dimensional screen printing workpieces, comprises at least one print bed having a print area to be printed, and a support structure that supports the print bed and is formed separately from the print bed, the support structure having a support base and at least one stop for the print bed, the print bed being positioned on the support base, and in the position on the support base, the print bed being in contact with the at least one lateral stop.

The embodiment of the invention relates to the photovoltaic field, and provides a battery piece and a photovoltaic module, and the battery piece comprises a substrate which comprises two edge regions arranged along a first direction and a central region located in the middle of the edge regions; the plurality of rows of glue point structures are arranged along the first direction, each row of glue point structures comprises a plurality of glue points which are arranged at intervals along the second direction, and the glue points in each row of glue point structures are fixedly connected with the same welding strip; the multiple rows of glue point structures comprise at least one row of edge glue point structures located in each edge area and at least one row of center glue point structures located in the center area. The glue points which are located in the middle of the central area and located in the same column are staggered in the first direction. And the reliability of the battery piece can be improved.

To provide a screen plate that can allow printing accuracy to be improved. A screen plate comprising a plate frame and a screen gauze formed of warp and weft fibers each made of a synthetic fiber, wherein the screen gauze is stretched on the plate frame under application of a predetermined tensile force, and the thickness of the screen gauze stretched on the plate frame is 88% or less based on the thickness of the screen gauze under application of no tensile force.

The invention provides a solder paste tube assembling device, a printing machine comprising the solder paste tube assembling device and a solder paste tube assembling method. The solder paste tube assembling device is used for fixing and sealing a solder paste tube, a nozzle is arranged at the bottom of the solder paste tube, the solder paste tube provides solder paste through the nozzle, and the solder paste tube assembling device comprises a support, a top sealing device and a bottom supporting device. The top sealing device is arranged to controllably conduct lifting motion so as to be connected to the tops of the solder paste pipes of different heights in a sealed mode. According to the solder paste tube assembling device, through the top sealing device capable of automatically ascending and descending, the solder paste tubes can be automatically disassembled and replaced, and the solder paste tubes with different heights can be automatically replaced.

The invention provides a general solder paste printing tool and method for SMT patch production, and the tool comprises a steel sheet fixing frame and a printed board fixing support body, the steel sheet fixing frame comprises a lower frame, a steel sheet and an upper frame, the lower frame comprises a lower frame body and a fixed column, the lower frame body is provided with a first through hole accommodating cavity, and the fixed column is provided with a second through hole accommodating cavity; a first positioning notch is formed in the joint of the cavity wall of the first through hole accommodating cavity of the lower frame body; the upper frame is provided with a second through hole containing cavity and a first fixing hole, and a second positioning notch is formed in the cavity wall connecting position of the second through hole containing cavity. The steel sheet is arranged between the lower frame and the upper frame, the first positioning notch and the second positioning notch are oppositely arranged, a printed pattern is arranged on the steel sheet, the printed board fixing and supporting body comprises a supporting body and a supporting base, and the supporting body is provided with a printed board mounting groove. According to the technical scheme, the technical problems that in the prior art, due to the fact that manual printing precision is poor, solder paste and a bonding pad are deviated in position after printing, and time and labor are wasted are solved.

The invention discloses a screen printing plate printing direction precise positioning mechanism which comprises a machine table and a rack fixedly arranged on the rear side of the top of the machine table, and a printing platform is fixedly arranged on the portion, located on the front side of the rack, of the machine table. A transversely-arranged printing cross beam is fixedly installed on the front side of the rack. The defects that due to the fact that manual alignment or a single mechanical positioning structure is mostly adopted for positioning of an existing silk-screen printing plate, the positioning efficiency is low, and the direction of the screen printing plate deviates easily are overcome, magnetic attraction is adopted for auxiliary positioning, the positioning speed is greatly increased, meanwhile, up-down hydraulic locking positioning and clamping positioning cooperation from the two sides are adopted, and the positioning precision is greatly improved. Therefore, after long-term use, the situation of positioning looseness caused by mechanical clearance or vibration can be avoided, the long-term stability of the printing direction is greatly guaranteed, the percent of pass and the production efficiency of printed products are guaranteed, the problems that manual alignment is slow and easy to shift are solved, the structure is simple, and the practicability is high. And popularization and use are facilitated.

A screen mask inspection device inspects a screen mask including a screen opening that forms a printing pattern, and includes: an inspection control device that detects solder position information of a solder paste printed on a substrate via the screen opening, and based on the solder position information, determines whether a quality of printing using the screen mask is good or bad, the solder position information being based on an amount of positional misalignment of the solder paste actually printed on the substrate relative to a predetermined reference position.

A stencil printer for printing assembly materials on an electronic substrate includes a frame, a stencil coupled to the frame, the stencil having an aperture formed therein, a support assembly coupled to the frame, the support assembly configured to support the electronic substrate, a print head gantry coupled to the frame, and a print head assembly supported by the print head gantry in a manner such that the print head assembly is configured to traverse the stencil during a print stroke. The stencil printer further includes a verification system for determining whether an item placed within the stencil printer is properly installed within the stencil printer.

This invention relates to the field of battery cell manufacturing technology, specifically to a screen printing device for preventing battery cells from bending during cooling. The device includes a cooling furnace, a furnace belt, and two leveling mechanisms. Each leveling mechanism includes a circulating insulating tape and a heating mechanism. The circulating insulating tape has multiple perforations spaced at equal intervals, with the distance between any adjacent perforations being the same as the distance between two adjacent battery cells during transport. The heating mechanism includes two heating structures and a receiving / conveying mechanism. The receiving / conveying mechanism is connected to the two heating structures and is used for the synchronous, opposite movement of the two heating structures. When the two heating structures are far apart, they respectively connect to two perforations and are used to receive and deliver the perforations. When the two heating structures are in contact, the perforation transitions from the front heating structure to the rear heating structure. This invention, with its two heating structures and receiving / conveying mechanism, achieves continuous and effective utilization of heat, thereby reducing energy consumption.

An apparatus for manufacturing a cover window includes a first screen, a second screen spaced apart from the first screen, and a screen opening disposed between the first screen and the second screen, wherein each of the first screen and the second screen includes a pattern portion disposed adjacent to the screen opening, the pattern portion of each of the first screen and the second screen includes two or more holes spaced apart from each other, and widths of the two or more holes are different from each other.

The invention discloses local spot printing equipment for packaging box color printing, and relates to the technical field of packaging box color printing. Comprising a machine body and a supporting plate, the supporting plate is provided with a positioning plate and a deviation rectifying assembly, the deviation rectifying assembly comprises a plurality of deviation rectifying blocks located on the circumferential side of the positioning plate and used for correcting and positioning the position of a packaging box, the adsorption assembly comprises a plurality of adsorption holes formed in the positioning plate and the deviation rectifying blocks, a main guide pipe is slidably connected into the positioning plate, and the main guide pipe is connected with the adsorption holes. An auxiliary guide pipe is slidably connected into the deviation rectifying block and used for switching the adsorption position, the adjusting assembly comprises a plurality of adjusting plates slidably connected with the deviation rectifying block, when the adjusting plates are located outside the deviation rectifying block, the positioning plate generates adsorption force to adsorb and level a packaging box, the deviation rectifying block rectifies the packaging box, and the adjusting plates are located outside the deviation rectifying block. When the adjusting plate is located in the deviation rectifying block, the deviation rectifying block does not slide any more and generates adsorption force to fix the packaging box. According to the positioning and leveling device, the packaging box can be automatically and adaptively positioned, leveled and fixed.

An apparatus is configured to dispense assembly material on an electronic substrate. The apparatus includes a frame and a unit coupled to the frame. The unit includes a material cartridge coupled to a pressure regulator configured to deliver pressurized air to the material cartridge at a desired pressure. The material cartridge is configured to contain assembly material. The apparatus further includes a substrate support configured to support the electronic substrate and a controller configured to control the apparatus including the unit. A system to detect static volume in the material cartridge includes a mass flow meter to measure a volume of air delivered to the material cartridge. The controller is configured to determine a volume of assembly material in the material cartridge upon determining the volume of air in the material cartridge.

A control system for a printing apparatus for printing in particular flat substrates, with a rack, on which a receptacle for a printing template, in particular printing screen or printing stencil, is arranged, with a camera device, which is assigned to the receptacle, and with a user interface for inputting and / or obtaining information. What is provided is an evaluation device, which is connected to the camera device, in order to receive at least one image of the printing template detected by the camera device, wherein the evaluation device is formed to classify the printing template as being reusable or as being non-reusable as a function of the received image.

A workpiece support assembly (10, Fig.3) for supporting and aligning a plurality of singulated workpieces. The workpiece support assembly comprises an assembly body (11, Fig.3) and a plurality of supp

The present invention relates to the technical field of rare earth permanent magnet grain boundary diffusion equipment, and specifically to a rare earth permanent magnet grain boundary diffusion uniform coating device, comprising a base, a guide rod fixedly installed on the top of the base, the right side of the base close to the bottom is fixedly connected to the left side of a connecting plate, when the coating platform moves downward, it drives the linkage rack to move downward, the linkage rack can drive the linkage gear to rotate under the meshing force, the linkage gear drives the transmission gear to rotate under the meshing force, the transmission gear drives the deflection plate to rotate through the rotating rod, the deflection plate can drive the scraper rod to slide in the deflection plate during the deflection movement, the scraper rod moves laterally in the moving port due to the limiting action of the scraper rod at the moving port, the scraper rod drives the scraper to move laterally, the scraper can be prevented from deflecting under the limiting action of the limiting plate, the scraper presses the ink evenly into the screen printing plate, the excess ink is pushed onto the wedge block by the scraper, and the ink flows along the wedge block into the recovery bin under the action of gravity.

A printing device that prints solder paste on a substrate using a mask includes a squeegee that slides on the mask and prints the solder paste on the substrate through an opening provided in the mask, a cover that blocks the falling of the solder paste adhering to the squeegee, and a control unit that controls the movement of the cover between a retreat position, which is a position that does not interfere with the sliding of the squeegee on the mask, and a blocking position, which is a position that blocks the falling of the solder paste adhering to the squeegee.

The present application relates to the technical field of semiconductor, especially to a kind of DBC copper-clad plate automatic positioning silk screen printing equipment, there is no equipment that can adapt to DBC copper-clad plate automatic positioning silk screen printing in current market or prior art, provide a kind of DBC copper-clad plate automatic positioning silk screen printing equipment, including operation platform, the rear side of the upper end of the operation platform is equipped with silk screen printing device, silk screen printing device includes the support box of being fixedly connected with operation platform, support box is equipped with rotatable cylindrical cam, cylindrical cam front end is equipped with suction wafer plate, when the cylindrical cam rotates, it can form the structure that suction wafer plate moves up and down intermittently and swings intermittently again;The right side of the upper end of the operation platform is equipped with the carrier base that can move forward and backward, the upper end of carrier base is equipped with the carrier holder that can move left and right, the upper end of carrier holder is equipped with carrier plate;Instead of manual installation, save human resources, form automatic production.

The invention provides an acid printing production device and process for elastic fabric, and belongs to the technical field of fabric printing. The machine comprises a machine table, a fabric body and a circular net barrel, and further comprises a slurry scraping vibration assembly, an auxiliary slurry outlet assembly and an air blowing assembly; through periodic vibration generated by an arc-shaped mounting plate on the side wall of the second gear, color paste is assisted to fall off uniformly; the auxiliary paste outlet assembly achieves dynamic supplement of color paste through the magnetic force effect of a magnetic block and a magnetic plate, when the magnetic block is right opposite to the magnetic plate, the color paste in a paste distribution pipe is accelerated to flow out, and the requirement for a large amount of color paste in the high-speed printing process is met. A heater heats air in the first telescopic cylinder and the second telescopic cylinder through heat conduction columns, and color paste is effectively prevented from being solidified and agglomerated in the low-temperature environment. The blowing assembly performs targeted work according to different areas of the surface of the cylinder, can soften and remove the residual color paste on the surface of the cylinder, and can promote the color paste in a semi-dry state on the fabric to be quickly cured at the same time.

The invention relates to a method for producing a seal on a layer or layer (1) of an electrochemical cell by means of screen printing, in which a sealing / or adhesive having a structural viscous behavior and / or thixotropic behavior is used as a printing material, according to the invention, the sealing / or adhesive having a structural viscous behavior and / or thixotropic behavior is applied to the layer or layer (1) of the electrochemical cell. A sealing and / or adhesive (2) is used having the following parameters: a) a steady-state viscosity at a shear rate of 100 s <-1 > of 5 to 20 Pas, preferably 10 to 15 Pas, further preferably 12.5 Pas, b) a thixotropic index (TI) of 50 to 250 Pas / s, preferably 120 to 180 Pas / s, further preferably 150 Pas / s, and c) a surface tension of 15 to 35 mN / m, preferably 20 to 30 mN / m, further preferably 25 mN / m. The invention also relates to an electrochemical cell having a seal manufactured according to any of the methods.

An object is to provide an operation guidance device capable of giving a preparation instruction in accordance with a time required for a screen printer for a member that is required to be delivered or collected. An operation guidance device includes: a request time acquisition section configured to acquire, for a member used by a screen printer, a device request time including at least one of a delivery time when a new member is required to be delivered to the screen printer or a collection time when the member used by the screen printer is required to be collected; a setting section configured to set a departure target time when a departure from a departure place toward the screen printer is required in time for the device request time acquired by the request time acquisition section, and information on a target member that is the member that requires an operation at the device request time corresponding to the departure target time; and a display instruction section configured to, for operation instruction information in which two pieces of information, the departure target time set by the setting section and the information on the target member, are associated with each other, display a list of multiple pieces of the operation instruction information.

This application relates to a printing apparatus with a compensating printing function, comprising a machine body, a slidable squeegee mounted on the machine body, a screen printing plate disposed between the machine body and the squeegee, and a rotating disk rotatably mounted on the machine body. Two mounting platforms are horizontally mounted on the rotating disk, and two screen printing plates are respectively mounted on the two mounting platforms. The rotation of the rotating disk drives one of the screen printing plates to be positioned between the machine body and the squeegee. This application has the effect of reducing the probability of printing position misalignment during reprinting.