151 results about "Silk-screen printer" patented technology

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 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 solar cell silicon wafer silk-screen printing discharging mechanism which comprises a side machine frame arranged at a discharging opening in the right side of a silk-screen printing machine and a discharging conveying belt rotationally installed on the inner side of the side machine frame, and a plurality of solar cell silicon wafers completing silk-screen printing are placed on the top of the discharging conveying belt. Each adjustable guide roller assembly comprises a supporting plate fixed to the surface of the top of the side rack, a supporting guide rod movably penetrating through the supporting plate, an L-shaped frame plate fixed to the front end of the supporting guide rod and a guide roller rotationally installed at the bottom of the L-shaped frame plate; according to the utility model, a solar cell silicon wafer silk-screen printing blanking mechanism in the prior art is improved, and a plurality of adjustable guide roller assemblies are designed on the two sides of the blanking conveying belt, so that a good guiding and limiting effect on the solar cell silicon wafer can be achieved in the subsequent blanking and conveying process of the solar cell silicon wafer; deviation of the solar cell silicon wafers during discharging is prevented, and the discharging precision of the discharging mechanism is guaranteed.

An air pull gauge device of a screen printing machine comprises a front panel and a rear panel, a servo motor and a speed reducer are arranged on the front panel, a swing arm is arranged at the output end of the speed reducer, a gap bridge plate is arranged at the top of the front panel and the top of the rear panel, a movable groove is formed in the gap bridge plate, an air tap sliding block is arranged in the movable groove in a sliding mode, and the air tap sliding block is connected with the swing arm. A connecting arm is arranged at the bottom of the air tap sliding block, a rotating shaft and a bearing are arranged on the connecting arm, a notch connected to the outer side of the bearing in a sleeving mode is formed in the top end of the swing arm, the air tap sliding block is driven by the servo motor to slide, linkage with a main machine can be controlled, control is convenient, the positioning speed is high, and the notch formed in the swing arm is connected with the bearing of the air tap sliding block. The air nozzle sliding block is provided with an air cavity and a connecting hole communicated with the air cavity, the air nozzle sliding block is provided with a pull gauge plate in an embedded mode on the upper side of the air cavity, air holes are evenly formed in the pull gauge plate, and the size of the whole device is reduced.

The utility model discloses a positioning structure for printing vertical cards, which comprises a belt conveyor, positioning mechanisms and a screen printing machine, the screen printing machine is arranged in the middle of one side of the belt conveyor, the positioning mechanisms are mounted on two sides of the belt conveyor, and a belt of the belt conveyor bears a bearing mechanism. The bearing mechanism comprises a bearing plate, a bearing groove is formed in the upper end of the bearing plate, an outer frame is installed on the outer side of the bearing plate, and the lower end of the outer frame is attached to the upper end of the positioning mechanism. The bearing mechanism and the vertical cards borne by the bearing mechanism are effectively and quickly positioned, limited and fixed through the positioning mechanism, the printing stabilizing effect of the vertical cards is facilitated, the bearing plate and the vertical cards are automatically driven to be conveyed through the belt conveyor, the vertical cards can be automatically and quickly printed on an assembly line, and the printing work efficiency is improved.

The application relates to the technical field of printing machines, and provides a printing platform which comprises a placing plate, a guide rail and a limiting component; a placing groove is formed in one side of the placing plate along the length direction of the placing plate; the guide rail is arranged on the side of the placing plate away from the placing groove and is arranged along the width direction of the placing plate; one side of the guide rail is provided with an inclined guide surface; the limiting component comprises a limiting block and a plurality of first elastic pieces; the limiting block is slidably connected to the placing groove along the length direction of the placing plate and extends to the outside of the placing plate on the side close to the guide rail; the plurality of first elastic pieces are arranged between the side of the limiting block away from the guide rail and the placing plate so as to drive the limiting block to abut against the guide surface. Based on the above, the printing object can be conveniently placed and taken out. In addition, a screen printing machine is also provided.

The utility model relates to the technical field of screen printing equipment, and discloses a drying and cooling assembly for a screen printing machine. The conveying belt is mounted in the middle of the bracket; the supporting plate is fixedly connected to the left side of the lower part of the bracket; the treatment box is fixedly connected to the top of the supporting plate; the fan is mounted on the left side of the interior of the treatment box; the filter plate is inserted into the left side of the interior of the treatment box; the refrigerator is installed on the right side of the treatment box, the condensation pipe is installed on the right side of the interior of the treatment box, and the refrigerator is connected with the condensation pipe; a conveying pipe and an air outlet. According to the utility model, after drying, the printed matter can be cooled conveniently, and the printed matter is prevented from being deformed due to overhigh temperature, so that the flatness and the use performance of the product are improved.

The application relates to the technical field of screen printing, in particular to an intelligent storage and calling method and system for process parameters of a screen printing machine. After a feature vector of a printing object is obtained, weighted similarity calculation is performed on the feature vector of the printing object and historical records of all feature vectors stored in a database, a similarity result is obtained, then three groups of feature vectors with the highest comprehensive scores in the historical records of the feature vectors are selected according to the similarity result and presented to a user, the user selects an optimal group of feature vectors corresponding to a process vector in the three groups of feature vectors as process parameters for printing according to actual needs, and finally the printing object is printed according to the selected process parameters. Through the above scheme of the application, dispersed process experience is converted into a structured and digitally inherited enterprise core knowledge base, the technical fault problem caused by personnel flow is solved, meanwhile, the production efficiency is greatly improved, and the production debugging time can be shortened by more than 70%.

The utility model discloses grid line manufacturing equipment, which comprises a first bin body, a second bin body, a third bin body and a fourth bin body, a first silk-screen printing mechanism is arranged in the second bin body, and the second bin body is provided with a second opening capable of being opened and closed; the grid line manufacturing equipment at least has a first state and a second state, in the first state, the first bin body and the second bin body are separated, the first opening and the second opening are closed, and each of the first bin body and the second bin body forms a sealed cavity; in the second state, the second bin body and the first bin body are in butt joint, the first opening and the second opening are opened, and the second bin body and the first bin body jointly form a sealed cavity; the first silk-screen printing mechanism can move into the first bin body from the second bin body so as to print grid lines on the battery piece precursor in the first bin body. The grid line manufacturing equipment can solve the problem that the metal slurry or the grid line manufactured by the metal slurry is easy to oxidize in the process of manufacturing the grid line by the metal slurry.

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.

The utility model discloses a silk-screen printing device for a printed circuit board. The silk-screen printing device comprises a transmission mechanism, a silk-screen printing mechanism, a lifting mechanism, a heat transfer cylinder, a bearing positioning plate and a heating mechanism, the conveying mechanism is used for continuously conveying circuit core boards, an avoiding space is formed in the middle of the conveying mechanism, a silk-screen printing mechanism is arranged above the middle of the conveying mechanism, a heat transfer cylinder is arranged between the silk-screen printing mechanism and the conveying mechanism, and the outer side of the heat transfer cylinder is sleeved with a heating mechanism. A heating cavity is formed in the middle of the heat transfer cylinder, and a silk-screen printing cavity is correspondingly formed in the bottom of the silk-screen printing mechanism. A lifting mechanism is arranged in the avoiding space in the middle of the conveying mechanism. According to the utility model, the transmission mechanism is matched with the lifting mechanism to realize continuous screen printing of the circuit core board, and through the arrangement of the heat transfer cylinder and the heating mechanism, the forming of the screen printing is accelerated, the problem of subsequent adhesion is reduced, and the practicability is better.

The utility model relates to an ink reclaiming mechanism of a screen printing machine, in particular to a multi-rod type ink reclaiming mechanism, which comprises an ink reclaiming knife beam, a knife head frame, a large rotating support, a small rotating support, a transverse connecting rod, a first longitudinal connecting rod and a second longitudinal connecting rod, the large rotating support is hinged to the output end of the air cylinder, the air cylinder is hinged to the tool bit frame, the large rotating support is hinged to the tool bit frame to form a first hinge point, the small rotating support is hinged to the tool bit frame to form a second hinge point, and one end of the transverse connecting rod is hinged to the large rotating support to form a third hinge point. One end of the first longitudinal connecting rod is hinged to the large rotating support, the other end of the first longitudinal connecting rod is hinged to the ink reclaiming blade beam, one end of the second longitudinal connecting rod is hinged to the small rotating support, the other end of the second longitudinal connecting rod is hinged to the ink reclaiming blade beam, and the vibration amplitude is reduced through buffering of the connecting rods.

The utility model discloses an automatic feeding device of battery screen printing machine, it includes work table, and the left and right sides of work table top are provided with first material conveying platform and second material conveying platform respectively, and the first material conveying platform and second material conveying platform are in -top inside work table with symmetrical structure and are provided with first material turnover piece, second material turnover piece, and first material turnover piece and second material turnover piece in -embedded installation have adsorption mechanism. The utility model discloses through gas pipe and makes the suction cup of adsorption block inside generation negative pressure, realizes adsorption fixed to one side of battery, simultaneously, and the motor of drive mechanism is firmly installed through fixed block, and the output end transmission wheel drives transmission shaft rotation through synchronous belt, and the first time is turned over, makes the printing surface face up, in this process, the negative pressure fixed of adsorption mechanism can offset the inertial force when material turnover, solves the problem that battery is easy to float in traditional material turnover mechanism, and position deviation, and the slot provides exclusive rotating space for material turnover rod, avoids the collision and abrasion with work table, prolongs the life of equipment.

The invention discloses a safety circuit of financial equipment and a production method thereof. The production method comprises the following steps: S1, cleaning a shielding case of a POS machine; s2, printing a first insulating ink layer on the outer surface of the shielding cover by adopting a screen printing machine; s3, curing and drying the first insulating ink layer; s4, printing a first safety circuit layer on the surface of the first insulating ink layer by adopting a screen printing machine; s5, curing and drying the first safety circuit layer; s6, a second insulation ink layer is printed on the upper surface of the first safety circuit layer through the screen printing machine; according to the method, the metal shielding cover is adopted as a base material of the safety circuit, and the damage resistance of the circuit is remarkably improved. As the metal material has higher hardness and toughness, the substrate is difficult to damage by external force to cause a damage point, so that the risk that the equipment is illegally disassembled and information is leaked is effectively prevented.

The utility model discloses a screen printing machine ink scraping device for processing a high-efficiency dense grid crystalline silicon battery, which comprises a working frame, a scraper body and a moving mechanism, a pressurizing mechanism for driving the scraper body to move up and down is fixedly arranged on the moving mechanism, and an angle adjusting mechanism for adjusting the angle of the scraper body is arranged on the pressurizing mechanism. And a locking mechanism for fixing the angle of the scraper body is arranged on one side of the pressurizing mechanism. The angle of the scraper body can be adjusted through the angle adjusting mechanism, secondary clamping is conducted on the scraper body through the locking mechanism after adjustment is completed, and therefore it is guaranteed that the scraper body does not have angle deviation when used, and then the pressurizing mechanism can drive the scraper body to move and pressurize a printing plate. And the subsequently arranged moving mechanism can drive the scraper body to continuously scrape ink, so that the ink scraping device is high in automation degree, excessive manual intervention is not needed, and the accuracy of silk-screen printing is guaranteed.

The utility model relates to the technical field of battery piece processing equipment, in particular to a multifunctional battery piece processing platform which comprises a working table, a rotating mechanism arranged on the surface of the working table, a screen printing machine arranged on the surface of the working table, a fixing plate connected to the surface of the working table, and beam plates fixedly connected to the two ends of the surface of the fixing plate. Sliding grooves are formed in the surfaces of the beam plates, racks are fixedly connected to one ends of the sliding grooves, sliding plates are connected to the surfaces of the sliding grooves, a lead screw is rotationally connected into one sliding plate, shaft rods are connected to the surfaces of the sliding plates, fluted discs are connected to the surfaces of the shaft rods, the fluted discs are meshed with the racks, and dust removal rollers are fixedly connected between the shaft rods. A plurality of brushes are fixedly connected to the surface of the dust removal roller; the dust removal device has the beneficial effects that the dust removal roller is arranged, dust and sweeps on the surface of the battery piece are wiped and collected, it is ensured that the dust removal roller can cover the whole surface of the battery piece, the cleaning efficiency is improved, the dust removal device and the screen printing machine work synchronously, and the overall operation efficiency of a production line is improved.

The utility model relates to the technical field of printing equipment, and particularly discloses a silk-screen printing alignment device which comprises a working table, a movable table is clamped on the working table in a sliding mode, and four fixing mechanisms used for fixing soft printed materials are arranged at the four vertexes of the movable table respectively. A printing table fixedly connected to the moving table is arranged among the four fixing mechanisms, a moving mechanism used for driving the moving table to move on the working table is arranged on the working table, and a silk-screen printing mechanism used for printing printed materials on the printing table is arranged on the working table. The silk-screen printing alignment device solves the technical problem that an existing silk-screen printing alignment device is prone to wrinkling and deformation in the process of fixing and printing some soft printed materials.

The utility model relates to the technical field of printing, in particular to a semi-automatic silk-screen printing mechanism, which comprises a rack, a printing mechanism, a conveying mechanism and a driving mechanism, and a screen printing part. The base is arranged on the rack; the material changing part is arranged on the rack, and the silk-screen printing part comprises a supporting seat; the silk screen clamping support is arranged on the supporting seat; the silk screen plate is arranged on the silk screen clamping support; the supporting frame is connected with the supporting seat; the guide rod is arranged in the supporting frame; the sliding block is connected with the guide rod; and the scraping plate is arranged on the screen printing plate and is connected with the sliding block. Through an assembly composed of the rack, the silk-screen printing part and the material changing part, a set of double-material-table switching type semi-automatic silk-screen printing body upper mechanism is provided for printing processing, alternate feeding and discharging are achieved through the double-material-table structure, printed pieces are continuously printed, the time wasted by interval locking of feeding, discharging and material changing is shortened, and the working efficiency is improved. Therefore, the efficiency of silk-screen printing operation is improved.

The utility model discloses a packing box screen printing machine moving mechanism which comprises a stand column, a lifting frame, a lifting air cylinder installed on the stand column, a screen printing plate, a machine head horizontally arranged on the lifting frame in a sliding mode and a horizontal driving assembly. A limiting assembly for limiting the lifting frame to move opposite to the lifting air cylinder is arranged on the stand column, a pressing assembly is arranged above the screen printing plate, the pressing assembly has a pressing state for pressing the screen printing plate to be fixed to the positioning assembly and a non-pressing state, and a linkage assembly for driving the lifting frame and the pressing assembly to move is connected between the lifting air cylinder and the lifting frame and between the lifting air cylinder and the pressing assembly. The linkage assembly is matched with the limiting assembly and has a lifting stroke for driving the lifting frame to ascend and descend and a pressing stroke for driving the pressing assembly to be in a pressing state. The utility model has the following advantages and effects: the screen printing plate can be conveniently replaced, so that the workload of workers is reduced, and the production efficiency of products is improved.

The embodiment of the present invention discloses an ink adding device and a screen printing machine, comprising a frame; a fixed component, which is arranged on the frame; an ink storage container detachably arranged on the fixed component, wherein the inner cavity of the ink storage container is used to store ink, and the ink storage container is provided with an ink outlet connected to the inner cavity; a piston, which is used to seal the inner cavity of the ink storage container and move along the inner circumference of the inner cavity so that the ink flows out from the ink outlet; a propulsion component, which is connected to the piston and is used to drive the piston to move; and a stirring component, which is connected to the fixed component so that the fixed component drives the ink storage container to rotate around a first axial direction relative to the frame. The ink storage container is designed as a replaceable syringe-type container, and the automatic timed and quantitative addition of ink is achieved through the control of the propulsion component and a controller, which can make the ink addition more accurate, reduce human intervention, improve the efficiency of related operations, and ensure printing quality.

The invention discloses a method for avoiding blooming, ink overflowing and burr problems of a printed pattern, and belongs to the technical field of silk-screen printing. According to the method, the structural characteristics of a screen printing machine and the preparation process characteristics of a printing screen are combined, and the problems that the edges of printed patterns are overflowed and deckle edges and lines are bloomed and not straight are solved by improving the preparation process of a screen part and changing process parameters of printing operation. On one hand, by improving the manufacturing process of the screen printing plate, the screen printing plate developing effect, the slurry passing rate and the goodness of fit of the screen printing plate and the printing stock combining face are guaranteed; and on the other hand, the process parameters of printing operation are improved, the problem that due to mismatching of the printing process parameters, patterns overflow ink and blooming burrs are caused is solved, the appearance quality of printed products is improved, and the product yield is greatly improved.

An improved treadmill screen printing machine comprises a printing platform and a treadmill screen printing device assembled on the printing platform, and the treadmill screen printing device moves in the length direction of the printing platform through cooperation of a gear driven by a treadmill device driving gear motor and a platform rack. The treadmill screen printing device is provided with a plurality of screen printing plates arranged in the width direction and the length direction of the treadmill screen printing machine, and a motor direct connection lead screw nut pair and a vertical guide rail sliding block mechanism are matched to form a screen printing plate lifting mechanism. A lead screw nut electric sliding table is matched with a printing knife rest and an ink return knife rest to form a printing scraper and ink return scraper lifting mechanism, and a knife rest transverse movement driving gear motor is matched with a cog belt transmission mechanism to form a knife rest transverse movement mechanism. According to the utility model, multi-plate and multi-color printing can be completed at one printing station, so that the working efficiency of the treadmill screen printing machine is greatly improved, the treadmill screen printing machine is suitable for small-batch multi-color screen printing, and the printing cost can be effectively reduced.

The utility model relates to the technical field of portable screen printing machines for integrated circuit packaging, and discloses a portable screen printing machine for integrated circuit packaging. Comprising a working platform structure set, the working platform structure set comprises a working platform base body, a first motor is fixedly arranged at the top of one side of the working platform base body, the output end of the first motor is fixedly connected with a first threaded rod, and the first threaded rod is rotationally connected to a first sliding groove formed in the working platform base body; the first threaded rod is provided with a plate frame structure group, the plate frame structure group comprises a first sliding block, the first sliding block penetrates through the first threaded rod and is in threaded connection with the first threaded rod, and the first sliding block is in sliding connection with the first sliding groove; the device is simple to operate, and the working efficiency is improved.

The utility model discloses a printed circuit board automatic feeding screen printing machine which comprises a groove plate, an installation cover is installed on the upper portion of the groove plate, a lead screw rod is installed in the installation cover through a bearing, the side wall of the lead screw rod is connected with a lead screw sleeve in a sleeved mode, and the side wall of the lead screw sleeve is fixedly connected with a movable plate in a sleeved mode. A guide rod is slidably connected to one side of the moving plate in a sleeving mode, the two ends of the guide rod are fixedly connected with the two sides of the interior of the mounting cover correspondingly, an ink storage box and two scraping plates are installed on the lower portion of the moving plate, a silk screen is fixedly installed in the mounting cover, and a plurality of spraying heads penetrate through the lower portion of the ink storage box; an ink box is installed on the upper portion of the installation cover, and a connecting hose penetrates through the end face of the ink box. The automatic feeding screen printing machine for the printed circuit board has the advantages that the lifting plate is adopted, feeding and discharging of the circuit board can be completed in a labor-saving mode through the arranged lifting plate, and the use practicability of the automatic feeding screen printing machine for the printed circuit board is improved.

The utility model discloses a plane screen printing machine, and belongs to the field of printing equipment. According to the technical scheme, the plane screen printing machine comprises a main machine frame and side supporting columns, a printing bottom plate is arranged above the side supporting columns in a matched mode, an angle driving component is arranged in the center of the main machine frame, and an angle adjusting column is arranged on the inner side of the angle driving component in a matched mode; structural optimization design is carried out on an existing plane screen printing machine, the printing precision and the automation degree are improved, the actual operation process is simplified, and the use experience feeling of workers is improved; and meanwhile, the angle driving component 3 and the angle adjusting column 4 are arranged inside, so that the printing angle of the printing materials can be adjusted more flexibly in the printing process, and the printing machine is suitable for printing tasks under different conditions.

The invention discloses a silk-screen printing gluing photoetching system which comprises a silk-screen printing machine, a drying machine, an exposure machine and a wet processing device, the silk-screen printing machine, the drying machine, the exposure machine and the wet processing device are sequentially arranged according to process steps, and a silk-screen printing mechanism is installed on a battery piece transmission conveying path of the silk-screen printing machine. The drying machine comprises a second conveyor and a drying chamber, the second conveyor penetrates through the drying chamber, an exposure frame and a matched exposure lamp are installed on a battery piece transmission conveying path of the exposure machine, the wet processing device comprises a groove body, and a developing work area, an etching work area and a degumming work area are sequentially arranged in the length direction of the groove body. By means of the scheme, redundant PSG can be removed in a chemical reaction mode, almost no damage is caused to a silicon substrate of the battery, a Poly finger structure can be stably formed in the mode that the PSG is efficiently and stably removed through HF, and the battery product quality is kept.

The present application relates to the field of screen printing machine, especially to a printing substrate positioning device for screen printing machine, which comprises a machine body, a moving mechanism, side supports, a first moving plate, a first bearing table, a second moving plate, a second bearing table and a positioning mechanism, the top of the machine body is fixedly connected with the side supports symmetrically, the first moving plate and the second moving plate are slidably connected between the side supports, the top of the first moving plate is fixedly connected with the first bearing table, the top of the second moving plate is fixedly connected with the second bearing table, and the top of the machine body is provided with the moving mechanism. The printing substrate positioning device for screen printing machine can alternately load two bearing tables during printing, improve the printing efficiency, and facilitate the positioning of the printing substrate on the other bearing table during printing by the positioning mechanism, so that the printing process is more accurate.

The utility model provides a screen printing machine convenient to align, which belongs to the technical field of printing and comprises a screen printing machine body. A positioning mechanism, comprising a fixing box fixedly installed on the outer surface of a screen printer body, a supporting disc arranged on the outer side of the fixing box, a connecting rod fixedly connected to the bottom of the supporting disc, a rack fixedly connected to the penetrating end of the connecting rod and a first straight gear meshed with the outer surface of the rack. The driving rod is fixedly connected to the inner surface of the first straight gear, and the outer surface of the driving rod is fixedly sleeved with the first bevel gear. According to the utility model, through the cooperation of all the parts in the positioning mechanism, when facing a printing stock with larger mass, bolts or other dismounting and mounting tools are not needed, the printing stock is clamped and positioned only by utilizing the gravity of the printing stock, so that the problem of local stress concentration is effectively avoided, and the effect of reducing the damage risk of the printing stock is realized.

The application discloses a production line for processing network device built-in mainboards, which comprises a workbench, a conveyor belt arranged on the surface of the workbench, a silk screen printer arranged on the surface of the workbench, a guide rail frame arranged on the surface of the workbench, a patching device arranged on the surface of the guide rail frame, a reflow oven arranged on the surface of the guide rail frame, a dust suction device arranged on the surface of the silk screen printer, wherein the dust suction device comprises a dust collector and a collection box, the dust collector is fixedly connected with the surface of the silk screen printer, the collection box is arranged on one side of the dust collector, a suction head is fixedly connected with the surface of the workbench, the suction head is connected with the dust collector through a pipeline, and a fixing ring is fixedly connected with the surface of the dust collector, so that the dust suction device is arranged, dust suction on the processed mainboard is facilitated, the phenomenon that the mainboard is contaminated by dust and fine particulate matters during transportation and conveying is effectively reduced, the dust and particulate matters are prevented from interfering with the silk screen printing operation of the mainboard, and the overall production effect of the equipment is improved.

The utility model relates to the technical field of screen printing machines, and discloses a convenient-to-wash screen printing machine which comprises a machine body, a screen printing plate is arranged on the upper surface of the machine body, a top support is hinged to the top of the machine body, a fixing frame is fixedly connected to the lower surface of the top support, and a scraping plate is slidably connected to the side wall of the fixing frame. A printing groove is formed in the inner wall of the end of the machine body, and a cleaning assembly is arranged in the machine body. According to the screen printing machine convenient to wash, by arranging the cleaning assembly, due to blocking of a sliding plate, a connecting rod does not move upwards any more and does linear motion along the upper surface of the machine body along with continuous rotation of a threaded rod along with a threaded sleeve, and then a cleaning plate is driven to clean the upper surface of a screen printing plate; and meanwhile, through the influence of the steel wire bristles on the screen printing plate, the cleaned screen printing plate can slightly shake up and down in cooperation with a spring and a connecting block, so that the cleaning effect of the steel wire bristles is improved.