431results about "Screen printing" patented technology

The invention provides top frame equipment applied to an etching process and a silk screen processing process, and relates to the technical field of silk screen processing. The invention discloses top frame equipment applied to an etching process. The top frame equipment comprises a rack, a mounting groove body, a jacking assembly, a moving mechanism, a gluing nozzle and a rolling assembly, the mounting groove body is connected with the rack and is used for mounting the stretching auxiliary screen printing plate; the jacking assembly is connected with the rack and used for installing a target screen frame, and the jacking assembly drives the target screen frame to abut against the screen cloth; the gluing nozzle is connected with the moving mechanism, and the moving mechanism drives the gluing nozzle to move, so that the gluing nozzle coats glue to the screen cloth along the outline of the target screen frame; the rolling assembly comprises a supporting shell and a compaction roller, the supporting shell is connected with the moving end of the moving mechanism, the compaction roller is rotationally connected with the supporting shell, and the moving mechanism drives the compaction roller to move, so that the compaction roller rolls glue on the screen cloth along the outline of the target screen frame. The screen cloth and the target screen frame can be bonded more compactly through glue.

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 technical field of circuit board processing, in particular to a manufacturing process of a high-performance inner-layer ultra-thick copper circuit board which comprises a bearing table, a back plate and the like. A back plate is arranged on the bearing table. Printing ink is stored through the storage box, the situation that printing ink is not evenly printed due to printing ink diffusion is avoided, and the printing ink printing effect of equipment is improved; through the structure that the middle of the flow dividing rod is high and the two sides of the flow dividing rod are low, ink is slowly collected into the storage box along the flow dividing rod in cooperation with flowability of the ink, the problem that the ink utilization rate is low is solved, and meanwhile the situation that the ink is accumulated and hardened for a long time is avoided. The circuit board is ejected upwards through the ejector rod, then a worker can hold the lower side of the circuit board with hands to take out the circuit board, and the circuit board is prevented from being damaged while the worker conducts discharging conveniently. And the circuit board is accurately placed on the upper side of the fixing frame through cooperation of a guide plate and a limiting block, so that feeding by workers is more convenient.

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.

Disclosed in the present disclosure is a printing screen, comprising a screen body and a surface treatment layer. The screen body comprises a printing side, a bottom side and several penetratingly-arranged grid lines, the printing side and the bottom side being arranged opposite each other. The surface treatment layer is arranged on the printing side and / or the bottom side or in the grid lines, the surface treatment layer comprising micro-nano structures or coating structures. The surface treatment layer is provided on the printing side and / or bottom side of the screen body, so that the resistance of a squeegee on the printing side during printing can be controlled, thereby controlling the amount of ink, improving the uniformity and ink discharge performance; the surface energy of the bottom side can be changed, improving the quality of the printing screen; the scratch resistance of the bottom side can be improved; and the hardness of a lower surface can be changed, improving the performance of the screen body.

The invention provides a printing screen capable of improving the ink penetration effect. The screen printing plate comprises a screen frame and screen cloth arranged in the screen frame, the screen cloth comprises a graphic area and a peripheral area annularly arranged outside the graphic area, the graphic area comprises a metal support, the two ends of the metal support are connected with the peripheral area, and the thickness of the metal support is smaller than that of the peripheral area.

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 discloses a photovoltaic solar silicon wafer silk-screen printing positioning device and a using method, the photovoltaic solar silicon wafer silk-screen printing positioning device comprises a printing table and a positioning seat, the positioning seat is installed at the top of the printing table, a silicon wafer silk screen is placed in the positioning seat, and a lifting scraper frame is installed at the top of the printing table. During printing processing, a driving assembly drives a positioning seat to move to the position below a lifting scraper frame for printing, in the process, air pushing piston rods slide into an air cylinder A, air in the air cylinder A enters an exhaust cylinder B through an air channel, the multiple positioning piston rods push clamping plates A to move, and the two sides of a silicon wafer silk screen are clamped; and meanwhile, the bevel push block can also move to enable the clamping plate B to move, finally, after the silicon wafer silk screen moves to the printing position, the four sides of the silicon wafer silk screen are tightly attached to the clamping plate B, the clamping plate A and the inner wall of the positioning base correspondingly to complete clamping, manual operation is not needed for positioning, automatic clamping is achieved, and inconvenience caused by using electric equipment is avoided.

The present invention relates to the field of screen printing technology, and in particular to a circuit board screen printing device and a screen printing process. A circuit board screen printing device and a screen printing process, including a screen printing body, a mounting plate, a fixture, a screen and an ink scraping assembly, etc.; a mounting plate is installed on the rear of the screen printing body through an electric drive rail; a plurality of fixtures are connected to the mounting plate; a screen is installed on the plurality of fixtures; an ink scraping assembly for scraping ink on the mounting plate; the mounting plate, the fixture, the screen and the ink scraping assembly are driven up and down by the electric drive rail. By setting the maximum travel position of the scraper and the ink return knife to be located above the intercepting surfaces on the left and right sides respectively, the movement of the ink is intercepted, limited and guided by the intercepting surface, and the scraper and the ink return knife subsequently scrape the ink along the intercepting surface. During the printing process and the ink return process, it is ensured that the ink is always located on the working area, avoiding the problem of ink moving outside the working area due to the push of the scraper and the ink return knife, causing waste.

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 screen printing, and discloses a screen frame capable of reducing distortion of screen wires, the screen frame comprises a plurality of bevel gears, the bevel gears are rotatably connected to the four corners of the interior of an outer frame, the bevel gears are connected in a meshed mode, the outer sides of the bevel gears are fixedly connected with first threaded blocks, and the first threaded blocks are fixedly connected with second threaded blocks. The outer side of the first threaded block is in threaded connection with a moving block, the upper side and the lower side of the exterior of the moving block are rotationally connected with first telescopic plates, the outer sides of the first telescopic plates are rotationally connected with scrapers, a steel wire mesh is arranged in the middle of the inner side of the outer frame, and the outer side of the steel wire mesh is fixedly connected with an inner frame. The structural strength of the net wires is enhanced through the inner frame and the steel wire net, the distance between the net wires and the outer frame is kept consistent through arc-shaped clamps, the distortion influence is reduced, a rotating bevel gear drives a component to rotate synchronously through meshing, a first telescopic plate and a scraper are pushed to scrape coating, the device can be repeatedly used, and the distortion degree of the net wires in use is reduced.

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.

The invention belongs to the technical field of printing equipment, and provides a breadth-adjustable lifting type screen printing machine which comprises a supporting groove, and a placing table is mounted at the upper end of the supporting groove; the number of the lifting grooves is two, the two lifting grooves are oppositely installed at the upper end of the supporting groove, reciprocating threaded rods are rotatably installed in the two supporting grooves, lifting plates are slidably installed in the two lifting grooves, and threaded rings are arranged in the two lifting plates in a penetrating mode; lifting is achieved through cooperation of the reciprocating threaded rod and the threaded ring, so that lifting type printing operation of the printing screen frame and the screen body is achieved, compared with a traditional rotary printing screen frame and screen body, the screen body vertically acts on the surface of a printing stock through lifting, local pressure nonuniformity and pattern deformation caused by angle deviation during rotation can be avoided, and the printing quality is improved. Printed patterns are more accurate and clear, and the printing quality is improved. In the lifting process, the contact area and pressure of the net body and the printing stock are easy to control.

A transport target object is positioned more reliably at a predetermined position. A transport device includes a pair of rails extending parallel to each other in a horizontal direction, and transports the transport target object used in a production line on the pair of rails and positions the transport target object at a predetermined position. The transport device includes: a pressing member having an attraction portion configured to attract an attraction target portion of the transport target object on a surface orthogonal to an extending direction of the rails; a lifting and lowering portion configured to lift and lower the pressing member; a moving portion configured to move the pressing member in the extending direction of the pair of rails;a clamping section configured to clamp the transport target object on the pair of rails against the pair of rails; and a control section configured to control the raising and lowering section and the moving section so that the pressing member is lowered and the attraction portion of the pressing member is attracted to the attraction target portion of the transport target object, control the moving section so that the transport target object is transported to the predetermined position, and after controlling the clamping section so that the transport target object is clamped at the predetermined position, control the raising and lowering section and the moving section so that the pressing member is retracted from the transport target object.

The invention relates to the technical field of printing screens, in particular to a printing screen with a screen steel wire shaping structure and a manufacturing method thereof, and the printing screen with the screen steel wire shaping structure comprises a screen frame, metal screen cloth, a UV film layer, a primer layer and a high polymer material layer; the metal screen cloth is stretched by preset tension and fixed on the inner side of the screen frame; coating the surface of the metal screen cloth with a UV film layer, and adhering a high polymer material to the surface of the UV film layer through primer to form a primer layer and a high polymer material layer; etching the high polymer material layer in a laser etching mode to form a plurality of opening patterns, wherein the metal screen cloth is exposed out of the opening patterns; the UV film layer and the high polymer material layer are arranged on the metal screen cloth, so that deformation of the metal screen cloth caused by tension change or mechanical vibration of warps and wefts of the metal screen cloth can be prevented, and the accuracy of the size of a printed pattern is improved.

The invention discloses a screen printing plate. The screen printing plate comprises a screen printing plate body and a surface treatment layer, the screen printing plate body comprises a printing face, a bottom face and a plurality of grid lines arranged in a penetrating mode, and the printing face and the bottom face are oppositely arranged. The surface treatment layer is arranged on the printing surface and / or the bottom surface or in the grid line, and the surface treatment layer comprises a micro-nano structure or a coating structure. The surface treatment layer is arranged on the printing surface and / or the bottom surface of the screen printing plate body, so that the resistance of a scraper on the printing surface during printing can be controlled, the ink amount is controlled, and the uniformity and the inking property are improved; the surface energy of the bottom surface can be changed, and the quality of the screen printing plate is improved; the anti-scraping capability of the bottom surface can be improved; the hardness of the lower surface can be changed, and the performance of the screen body is improved.

The invention relates to the technical field of glass silk-screen equipment, and discloses a multifunctional scraper assembly for the glass silk-screen equipment, and the multifunctional scraper assembly for the glass silk-screen equipment comprises a control unit and a scraper unit. The scraper unit is composed of a double-body scraper and a rapid scraper holder, the double-body scraper comprises a main scraper and an auxiliary scraper which are used for scraping ink and distributing ink respectively, and a magnetic attraction block is designed on a scraper handle to achieve rapid installation. The control unit adjusts the angle and pressure of the scraper through the linear driving sliding rail and the telescopic air cylinder, and the printing precision is ensured. The rapid tool apron is connected with the telescopic air cylinder through the adjusting plate, and lifting and angle adjusting of the scraper are achieved. In addition, the assembly further comprises a pressure sensor, a tilt angle sensor, a temperature sensor and a cooling system, multi-dimensional monitoring and adjustment of the working state of the scraper are achieved, and therefore the printing quality and the durability of the scraper are improved. The scraper assembly has the advantages of simple structure, flexibility in adjustment, quickness in installation, simplicity and convenience in operation and the like, and effectively overcomes the defects of a traditional scraper assembly.

The invention relates to the technical field of photovoltaic modules, and provides a glue printing screen printing plate and a photovoltaic module, the glue printing screen printing plate is applied to a back contact battery piece in the photovoltaic module, and the back contact battery piece comprises first electrodes and second electrodes which are alternately distributed in a finger shape. The glue printing screen comprises a first mesh and a second mesh, the first mesh is located in the projection range of the first electrode, and the second mesh is located in the projection range of the second electrode in the thickness direction of the glue printing screen. The area of the first mesh is different from that of the second mesh, so that the area of the insulation paste formed through printing of the meshes with different areas of the glue printing screen can adapt to electrode areas with different surface roughness, the insulation paste with the same area can be formed in different electrode areas, namely, the area of the insulation paste is a preset area meeting the requirement, and the size of the insulation paste is reduced. Therefore, the insulation paste and the welding spots in different electrode areas are spaced, the subsequent welding process is prevented from being influenced, and the welding performance of the back contact battery piece is ensured.

A system includes a frame, an ultraviolet light source, an LCD panel, and a computer. The frame is configured to retain a substrate. The LCD panel is positioned between the frame and the ultraviolet light source. The computer is coupled to the LCD panel. The computer is configured to transfer image data to the LCD panel. The image data defines an image to be transferred to the substrate.

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 present invention discloses a printing press solder paste management system, method and storage medium, which relate to the technical field of solder paste management. It solves the technical problem in the prior art that solder paste cannot be classified according to its characteristics, so that the use of backup solder paste cannot be controlled with high precision. Specifically, a characteristic evaluation unit marks the solder paste purchased in real time as a newly added solder paste, and performs characteristic evaluation on the newly added solder paste, obtains a characteristic evaluation coefficient based on information processing, and divides the newly added solder paste into non-matching solder paste, matching solder paste and backup solder paste through coefficient comparison; a backup analysis control unit performs backup demand analysis on the printing press, and controls the use of backup solder paste according to the backup demand analysis; and a supply risk assessment unit performs risk assessment on the solder paste supply during the operation phase of the printing press.

The invention belongs to the technical field of paper cup processing equipment, particularly relates to a feeding device for a paper cup machine, and aims to solve the problem that surface patterns cannot be printed in the forming process in the feeding process of an existing paper cup machine. A paperboard feeding mechanism is arranged on one side of the feeding machine box and comprises a first electric push rod installed in the middle of the feeding machine box, a paper cup paperboard body is placed at one end of the first electric push rod, a groove hole is formed in the middle of the feeding machine box, and a paperboard feeding swing rod is installed in the groove hole. In the paper cup extrusion forming process of the silk-screen forming machine boxes on the two sides of a paper cup, the structures in the silk-screen forming machine boxes conduct silk-screen printing on the surface of the paper cup, during silk-screen printing, a sixth electric push rod extends to make a silk-screen frame and a silk-screen printing block make contact with the inner wall of a silk-screen printing screen, and a silk-screen printing sliding block controls the whole silk-screen frame to move upwards; the printing ink is printed on the surface of the cup through the silk screen.

The invention relates to the technical field of glass processing, and particularly discloses a peripheral auxiliary dustproof device for a glass screen printing machine, which comprises a profile frame, and a workbench is arranged on the profile frame; a front-back adjusting assembly is installed on the workbench, a sectional material supporting column is arranged on the workbench, and a lifting adjusting assembly is installed on the sectional material supporting column. The dustproof assembly has the dust removal state and the contraction state, when the dustproof assembly is in the contraction state, the dustproof assembly is located on the upper side of the screen printing unit, screen printing work of the screen printing unit is not affected, when the dustproof assembly is in the dust removal state, the dustproof assembly is located on the lower side of the screen printing unit, and at the moment, the dustproof assembly is started; the dust on the glass at the top of the workbench can be wiped away through cooperation with the three-axis moving unit, during specific operation, the power unit drives the driving roller to rotate, then the wiping cloth is driven to rotate, the wiping cloth is aligned to the upper surface of the glass, and the dust attached to the upper surface of the glass can be wiped away in the rotating process of the wiping cloth.

The printing equipment comprises a supporting frame and a rotating disc arranged on the supporting frame, the rotating disc comprises a bottom disc, a lower rotating disc, a positioning disc and an upper rotating disc which are sequentially arranged from bottom to top, and a plurality of printing tables and screen printing plates are circumferentially and uniformly arranged on the lower rotating disc and the upper rotating disc correspondingly; a plurality of positioning pieces are arranged in the positioning disc and can be inserted into the lower rotating disc or the upper rotating disc, and an elastic connecting piece is arranged between the upper rotating disc and the chassis. The invention further provides a printed fabric which comprises a fabric base cloth, a plurality of prints are arranged on the fabric base cloth, the prints are made through the printing equipment and comprise the conventional prints, the thermochromic prints and the photochromic prints, and the shapes or areas of the conventional prints, the thermochromic prints and the photochromic prints are different. And the conventional printing, the thermochromic printing and the photochromic printing are not overlapped.

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.