1774results about "Screen printers" 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.

Improvements in the technical field of solar panel (2) manufacturing are provided. To this effect, a process for manufacturing solar panels (2) is disclosed in which rows (4) of solar elements (3) are bonded together by an electrically conductive adhesive, with the electrically conductive adhesive being applied to the solar elements (3) during a transfer movement of the rows (4) of solar elements (3).

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 invention relates to the technical field of screen printing plates, in particular to a printing screen printing plate, a manufacturing method, a solar cell and a photovoltaic module. The printing screen comprises a screen body and a reinforcing part. A printing groove extending in the first direction is formed in the screen printing plate body and penetrates through the thickness direction of the screen printing plate body. The reinforcing part is arranged at the position, provided with the printing groove, of the screen printing plate body, the reinforcing part is arranged corresponding to the part of the printing groove, at least part of the reinforcing part is hollowed out, and the hollowed-out position of the reinforcing part is communicated with the printing groove. The printing screen has the advantages of high printing quality and high structural strength, can print continuous current collection grid lines, facilitates current collection of the current collection grid lines, and can meet the process and test requirements of electrifying a solar cell.

The utility model relates to the field of steel drum printing, and discloses an automatic steel drum printing system which comprises a conveying frame, an opening searching positioning assembly, a printing assembly and an overturning assembly, a lifting workbench is arranged in the conveying frame, the conveying frame is provided with a mounting frame, and the printing assembly is arranged at one end of the mounting frame. The printing assembly comprises a guide rail, a printing frame, a first driving piece and two sets of printing pieces, the guide rail is arranged at one end of the mounting frame, the printing frame is arranged in the mounting frame, the printing frame is provided with a first printing area and a second printing area, the two sets of printing pieces are arranged at one end of the guide rail, and each printing piece comprises a sliding block, a second driving piece, a connecting block, an air cylinder and a scraping plate; the second driving piece is arranged between the sliding block and the guide rail, the connecting block is arranged at one end of the sliding block, the air cylinder is arranged at one end of the connecting block, and the scraper is arranged at the output end of the air cylinder. The copywriting of the first printing area and the copywriting of the second printing area are printed on the same axial direction of the steel drum through the two sets of printing pieces, the printing procedures of the steel drum are reduced, and the printing efficiency of the steel drum is improved.

The utility model discloses a silica gel button screen printing mould, which comprises a mould plate and a cover plate, the upper surface of the mould plate is provided with a groove capable of placing a workpiece, the cover plate is supported on the upper surface of the mould plate and shields the groove, the cover plate is provided with a positioning through hole, and the rear part of the cover plate is hinged with the mould plate so that the cover plate can be turned backwards to be opened. The rear side edge of the cover plate is provided with a pressing part, and the rear side edge of the pressing part is located behind the rotating axis of the cover plate. Due to the adoption of the design, when a user needs to open the cover plate, the cover plate can be directly opened by knocking the upper surface of the edge of the rear side of the pressing part by adopting a tool and certain force, and convenience and rapidness are achieved.

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.

An exchanging unit for use in a printing device including a printing section to execute a printing process of printing a viscous fluid on a processing target object using a screen mask, and includes a receiving section configured to receive an accommodation rack having multiple shelf sections each configured to accommodate a frame that is capable of supporting an exchangeable member for use in the printing device, a lifting and lowering section configure to lift and lower the accommodation rack between an exchange position where to exchange the exchangeable member and a liftable position situated further downwards than the exchange position, and a moving section configured to move the accommodation rack between the liftable position where the accommodation rack can be lifted up by the lifting and lowering section and an accommodation position where the accommodation rack enters an interior of a housing of the printing device.

The invention relates to the technical field of solar cells, in particular to a solar cell, an electrode structure of the solar cell, a printing screen assembly and a photovoltaic assembly. The electrode structure comprises a confluence substructure and a plurality of collector grid lines. Each confluence substructure comprises two interconnecting grid lines arranged at an interval and a lap-joint grid line connected between the two interconnecting grid lines, the interval arrangement direction of the two interconnecting grid lines is a first direction, and the extension direction of the interconnecting grid lines is a second direction. The plurality of current collection grid lines are arranged at intervals along a first direction, the current collection grid lines extend along the first direction, and two adjacent current collection grid lines in the first direction form a pair. In at least one pair, the ends, close to each other, of the two current collection grid lines intersect with the two interconnected grid lines in the same confluence substructure. The electrode structure can be used for printing the collector grid lines with narrower line width, and the collector grid lines can be intersected with the interconnected grid lines even if printing deviation occurs in the second direction, so that the conversion efficiency of the solar cell is improved.

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 utility model discloses an automation line of a single-chain pneumatic tube type bottle silk-screen printing machine, and aims to solve the problems of low automation level, large occupied area and high cost of the conventional silk-screen printing machine. The automatic line comprises a bottle feeding device, a conveying device, a full-automatic printing machine, a baking device, a bottle discharging device, a fan and a control device. The bottle feeding device pushes materials to a lengthened pin chain of the conveying device through a rubber gear and a pushing air cylinder. The conveying equipment adopts a single-chain design, and accurate conveying of materials is achieved through a second air cylinder and a second ratchet wheel; the baking equipment performs low-temperature drying by using an electric heating tube and heat-insulating asbestos; the bottle discharging equipment achieves automatic collection of materials through a bottle discharging baffle with a slope. The control equipment adopts a PLC (Programmable Logic Controller) and a touch screen, so that the printing speed and the baking temperature can be accurately controlled, and production parameters can be displayed in real time. The automatic line adopts pneumatic control, and is simple in structure, low in cost and high in production efficiency.

The utility model discloses a full-opening steel plate with a buffer metal layer for battery printing, and belongs to the technical field of solar battery printing. The full-opening steel plate with the buffer metal layer for battery printing comprises a frame, an annular auxiliary material piece and a graphical steel plate, the graphical steel plate is arranged on the annular auxiliary material piece, an avoiding area is larger than a graphic area of the graphical steel plate, the graphical steel plate comprises the buffer metal layer and a first metal layer, the graphic area of the buffer metal layer is provided with a plurality of first grid line holes, and the first grid line holes are communicated with the annular auxiliary material piece. A plurality of second grid line holes are formed in the pattern area of the first metal layer, at least one buffer metal layer is arranged on the pasting and printing face of the first metal layer, the first grid line holes are communicated with the corresponding second grid line holes, and the hardness of the buffer metal layer is smaller than that of the silicon wafer. According to the utility model, the surface of the steel plate can be matched with the uneven surface of the silicon wafer in the printing process, so that the consumption of printing silver paste is saved, the stable batch production is facilitated, and the electrical performance of the battery piece is improved.

The invention discloses a method for rapidly adjusting overprinting offset of main and auxiliary grid patterns, and aims to solve the problems of tedious steps, long time consumption, generation of reworked pieces, high operation difficulty and the like in main and auxiliary grid overprinting debugging in existing solar cell screen printing. A plastic battery piece simulation model consistent with a battery piece produced in a production line in size is manufactured, and the surface of the plastic battery piece simulation model is coated with a preset main grid pattern. By means of the process of screen calibration, simulation printing and offset debugging and repeated debugging, the offset condition of main grid printing is rapidly determined through a simulation model, machine parameters are adjusted, and the steps of drying and auxiliary grid printing in the prior art are omitted. According to the method, the debugging time is shortened to about 3 minutes, no reworked piece is generated, meanwhile, operation is easy and convenient, new employees are easy to master, the efficiency of main and auxiliary grid overprinting debugging on the solar cell production line is greatly improved, the production cost is reduced, and remarkable economic benefits and application prospects are achieved.

A printing result prediction device is configured to predict a volume of solder paste printed by a printer onto a substrate. The printer is configured to print the solder paste by filling the solder paste into a stencil aperture of a stencil disposed on the substrate. The printing result prediction device includes a calculation part. The calculation part is configured to input a printing condition to a prediction model trained by machine learning, and predict a volume of solder paste printed by the stencil aperture of the stencil in a next printing using the input printing condition. The printing condition includes stencil information related to the stencil used to print, solder paste information related to the solder paste used to print, substrate information including unevenness information related to a protrusion on the substrate used to print, and a printing parameter of an operation of the printer when printing.

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 utility model discloses a device and a method for calibrating the parallelism of a screen printing scraper and a printing plane. Two ends of the scraper are respectively provided with a micrometer head for adjusting the balance of two ends of the scraper; the calibration strips arranged on one side of the printing platform in parallel correspond to the scraper above the calibration strips. The lower part of the calibration strip is centrally supported on a rotating fulcrum, two pressure sensors are symmetrically distributed on two sides of the rotating fulcrum and are correspondingly arranged below two ends of the calibration strip, and the pressure sensors are in signal connection with a display screen; the rotating fulcrum and the pressure sensor are installed on the bottom plate through the lifting base and the lifting driving piece, and the bottom plate is provided with a horizontal adjusting assembly. The parallelism of the scraper and the printing plane is not repeatedly debugged by a manual visual inspection mode; accurate quantitative adjustment can be directly carried out according to the pressure value displayed by the display screen, the parallelism of the scraper and the printing plane can be rapidly calibrated at a time, the calibration work is accurate and reliable, the calibration result is stable, the calibration operation difficulty is effectively reduced, and the calibration work efficiency is greatly improved.

The invention relates to the technical field of screen printing plates, in particular to a printing screen printing plate, a manufacturing method and a solar cell. The screen printing plate comprises a screen printing plate layer, the screen printing plate layer is provided with a printing groove extending in the first direction, the printing groove penetrates through the screen printing plate layer in the thickness direction of the screen printing plate layer, the printing groove comprises a plurality of first groove sections and second groove sections which are alternately connected in the first direction, and the maximum width of the first groove sections in the second direction is larger than that of the second groove sections in the second direction; the minimum width of the first groove section in the second direction is larger than or equal to the maximum width of the second groove section in the second direction, and every two of the first direction, the second direction and the thickness direction of the screen printing plate layer are perpendicular to each other; the groove depth size of the first groove section in the thickness direction of the screen printing plate layer is smaller than the groove depth size of the second groove section in the thickness direction of the screen printing plate layer. The grid line printed by the printing screen not only integrates the welding performance of the assembly and the low resistance performance of the grid line, but also can reduce the cost.

The utility model discloses a printing plate which comprises a metal film (3), the metal film (3) is provided with a grid line opening area and protection areas (3b), a gap exists between every two adjacent protection areas (3b) to form the grid line opening area, and the grid line opening area comprises a plurality of grid line openings (3a) which are arranged at intervals. The grid line opening (3a) comprises a first opening (3a1) and a second opening (3a2) which are oppositely arranged in the thickness direction of the metal film (3), the grid line opening is used for enabling metal slurry flowing in from the first opening to flow out from the second opening, and the opening width of the first opening (3a1) is smaller than that of the second opening (3a2).

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 embodiment of the utility model discloses a screen adjusting assembly, and relates to the technical field of battery processing, the screen adjusting assembly comprises a base, a screen frame used for installing a printing screen, a plurality of connecting parts and two linear motors, through holes are oppositely formed in the center of the base and the center of the screen frame, the screen frame is rotatably installed on the base through the plurality of connecting parts, and the two linear motors are arranged on the base. The two linear motors each comprise a stator and a rotor, the two stators are arranged at different positions of the base respectively, the two rotors are arranged at different positions of the screen printing plate frame respectively, and the stator and the rotor which belong to the same linear motor correspond in position. The two linear motors are used, the precision of adjusting the printing screen is improved, the linear motor with the rotor and the stator is used for directly driving the screen frame to rotate relative to the base, the situation that a transmission mechanism assists the linear motors is avoided, the precision of adjusting the printing screen is further improved, the overall structure of the screen adjusting assembly is simplified, and the cost is reduced. And the screen adjusting assembly is convenient to assemble and maintain.

The invention discloses a scraper mechanism, scraper printing equipment and a method for automatically detecting, compensating and adjusting pressure during printing, which are used for solving the problems that when the existing scraper printing equipment is used for printing a printing steel mesh with a concave-convex surface structure, a large amount of solder paste, soldering flux and other materials are remained on the printing steel mesh due to different blade coating pressure of the scraper mechanism, and the printing quality is influenced. And the printing effect is not good. The scraper mechanism comprises a control system, a rack, a pressure detection assembly, a lifting driving assembly, a connecting plate and a scraper body. The lifting driving assembly is mounted on the rack, and the lifting driving assembly is connected with the connecting plate through the pressure detection assembly; wherein the pressure detection assembly comprises a pressure sensor, one end of the pressure sensor is connected with the connecting plate, and the other end of the pressure sensor is connected with the scraper body; the pressure sensor and the lifting driving assembly are both electrically connected with the control system.

The utility model discloses a solar photovoltaic cell gradual change staggered grid printing screen which comprises a printing plate frame and a printing screen body, the printing screen body is stretched on the printing plate frame through a stretching wire mesh, a plurality of fine grid line grooves and main grid line grooves are formed in the printing screen body, the fine grid line grooves and the main grid line grooves are communicated in a crossed mode, and the fine grid line grooves are communicated with the main grid line grooves. Two sides of each main grid line groove are respectively provided with a plurality of fine grid line grooves in a staggered manner; the main grid line groove is narrowed from the middle to the two ends, and the narrowing angle alpha of the main grid line groove is 3-6 degrees; the width of the tensioning wire mesh between one side edge of the printing screen and the printing plate frame is L1, the width of the tensioning wire mesh between the other side edge of the printing screen and the printing plate frame is L2, and L1 is equal to (1.5-2.5) L2. The fine grid line grooves on one side of the main grid line grooves are correspondingly located between the two adjacent fine grid line grooves on the other side of the main grid line grooves, and the two groove edges of the main grid line grooves are symmetrically located on the two sides of the groove center line. According to the staggered grid printing screen, the tensioning force of the printing plate can be balanced, and the production cost of solar photovoltaic cells can be reduced.

The utility model relates to a vacuum screen printing machine. The vacuum screen printing machine comprises a bin body, a working area and a piece taking and placing area which are communicated with each other are arranged in the bin body, an isolation assembly is further arranged in the bin body, and the working area is divided into a first working area and a second working area by the isolation assembly. The isolation assembly divides the sheet taking and placing area into a first sheet taking and placing area and a second sheet taking and placing area, the first working area is only communicated with the first sheet taking and placing area, and the second working area is only communicated with the second sheet taking and placing area. The vacuum screen printing machine has the advantages of being high in working efficiency, low in energy consumption and capable of meeting various printing requirements.

The present application relates to the technical field of photovoltaics, and discloses a photovoltaic module, a method for manufacturing the photovoltaic module, and a screen printing stencil. The photovoltaic module comprises: a solar cell body, which has a first surface and a second surface opposite to each other; connecting portions, wherein the connecting portions are disposed on the first surface, the connecting portions include first connecting portions and second connecting portions, the first connecting portions and the second connecting portions are arranged at intervals in a first direction, and the area of the first connecting portion is greater than the area of the second connecting portion; first bonding layers, wherein each first bonding layer is disposed on the surface of a corresponding first connecting portion away from the solar cell body, the first bonding layer comprises at least two elongated first bonding strips, and the at least two first bonding strips extend in a second direction and are arranged at an interval in the first direction; and electrical connectors which are disposed on the first bonding layers, wherein the electrical connectors extend in the first direction and each intersect the corresponding at least two elongated first bonding strips, and the electrical connectors are electrically connected to the first connecting portions by means of the first bonding layers.

The present invention relates to a mask printing-type edible raw material laminating device capable of producing edible products in various shapes having a laminated structure through a printing method using a printing mask. More specifically, the present invention relates to a mask printing-type edible raw material laminating device wherein, while a fabric having a preprinted material made of an edible raw material is made to pass, a laminated / printed material made of an edible raw material is additionally printed on the preprinted material. The mask printing-type edible raw material laminating device comprises: a support structure for providing a support force; a fabric guide means mounted in the support structure so as to guide transfer of the fabric; a fabric prop portion installed below the fabric transfer path such that, when a laminated / printed material is printed on the preprinted material, the fabric is propped up and supported; a printing mask installed above the fabric prop portion in a position adjustable manner, the printing mask having multiple printing holes formed therein such that an editable raw material to be laminated on the preprinted material passes therethrough; a mask positioning portion for positioning the printing mask; and a printing unit for injecting an edible raw material onto the positioned printing mask and then spreading same such that the edible raw material is laminated on the preprinted material through the printing holes.

A printing apparatus includes: a lower receiving body (25) that receives a substrate; a support table (24) that supports the lower receiving body (25); a pair of guide rails; a mask, both ends of which are supported by the pair of guide rails and which is positioned above the support table (24); a lifter (23) that lifts and lowers the support table (24) and brings the substrate into contact with the mask; and a coating mechanism that coats the paste on the substrate across the mask. The printing device is provided with a jig (44) for conveying a lower carrier (25), and the jig (44) comprises: a frame (51) which is conveyed to a position above a support table (24) in a state in which both end parts are supported by a pair of guide rails (15); and a lifting body (52) which is supported by the frame (51) in a freely lifting manner and can hold the lower receiving body (25) on the lower surface side.

The utility model discloses a touch screen silk-screen printing net-shaped tension adjusting device, which relates to the technical field of silk-screen printing and comprises an adjusting seat, adjusting plates are symmetrically arranged at the top of the adjusting seat, and independent tension adjusting assemblies are arranged on the adjusting plates. The independent tension adjusting assembly comprises a first adjusting threaded rod which is in threaded connection with the surface of the adjusting plate, one end of the first adjusting threaded rod is fixedly connected with an adjusting block, the other end of the first adjusting threaded rod is rotatably connected with a tension meter, and one side of the tension meter is fixedly connected with a connecting rope. The adjusting block is rotated to drive the first adjusting threaded rod to rotate, and the tension meter is driven to move through rotation of the first adjusting threaded rod, so that the connecting block and the positioning rod pull the positioning hole to move under the action of the connecting rope, the local tension of the printing silk screen is adjusted, and the tension is displayed in real time through the tension meter. And the local tension of the printing silk screen is adjusted by controlling the magnitude of the tension.

The utility model discloses an ink splashing prevention protection structure for a photogravure press, which comprises a fixed sleeve, a telescopic sleeve capable of sliding along the axial direction of the fixed sleeve is arranged in the fixed sleeve, and a flange plate is arranged at one end of the fixed sleeve; the outer side end, away from the flange plate, of the telescopic sleeve extends out of the fixing sleeve and is rotationally connected with a rotating ring disc through a copper sleeve, and a blocking cover is further fixedly arranged on the outer wall of the outer side end of the telescopic sleeve and is of a fan-shaped structure. A hole in one end of the plug sleeve is a round hole, a hole in the other end of the plug sleeve is a taper hole, the round hole is communicated with the taper hole, the plug sleeve is fixedly connected with the rotating ring disc through a screw, the outer diameter of the rotating ring disc is larger than that of the plug sleeve, and the rotating ring disc and the plug sleeve are both located in a covering area of the blocking cover. The printing plate roller has the advantages of preventing printing ink on the printing plate roller from splashing to a printing base material, being good in protection and sealing effect on the top plate shaft and the printing roller plug, simple in structure, convenient to disassemble and assemble, flexible and convenient to use and the like.

The utility model discloses a kind of steel mesh frame insert piece type quick fixing structure, it is related to transfer printing technical field, including steel mesh, the edge of steel mesh is inserted and inserted piece is engaged, steel mesh, insert piece are connected with frame strip by first insertion slot, second insertion slot common engagement, the adjacent end of the frame strip is connected with corner connecting piece by guide slot, sliding slot, convex edge, convex handle, convex strip, baffle, third insertion slot common engagement. The structure when fixing steel mesh, full course does not need bolt and other auxiliary parts, realize the quick assembly of steel mesh and frame for transfer printing, greatly shorten assembly time, the flatness of steel mesh and frame overall rigidity in long-term use are guaranteed by multiple engagement structure, effectively avoid the transfer printing precision deviation caused by steel mesh displacement, frame deformation, meet the efficient, low cost, high stability production demand of transfer printing.

The invention discloses circuit board screen printing alignment equipment with a line defect detection interface, and relates to the technical field of circuit board processing equipment.The circuit board screen printing alignment equipment comprises a bearing support, a first fixing plate and an electric telescopic rod, a feeding mechanism is installed on the right side of the bearing support, and a qualified product discharging mechanism is installed on the left side of the bearing support; and a defective product discharging mechanism is arranged on the side of the qualified product discharging mechanism in parallel. According to the circuit board silk-screen alignment equipment with the circuit defect detection interface, by arranging the alignment detection camera, when a circuit board to be printed is conveyed to the transfer mechanism through the feeding mechanism, defect detection processing can be automatically carried out on a circuit on the circuit board, printing processing is carried out on the circuit board without defects, and the circuit board defect detection processing efficiency is improved. And defective products are conveyed away through the defective product discharging mechanism, so that it is effectively ensured that the equipment can screen out the defective products in time before silk-screen processing, and the purposes of reducing ink loss and facilitating detection are achieved.