219 results about "Pad printing" patented technology

The invention discloses a relief touch heat transfer film and a preparation process thereof, and relates to the technical field of transfer film preparation, the heat transfer film comprises the following structural layers from bottom to top: a substrate layer, which is composed of a polyester film PET; the release layer is positioned above the base material layer and is composed of modified silicone oil, and nano silicon dioxide particles are added into the modified silicone oil; the transfer printing layer is positioned above the release layer and comprises a pattern layer and an embossment texture layer; according to the scheme, a spring pressing plate-sand grain grinding bin is additionally arranged at the front printing section of the heat transfer printing film preparation process, the film surface penetrates through a sand layer in the bin along a guide plate and a guide shaft with constant tension, micron-sized grooves are formed in the film surface through sand grains in a ploughing mode, and high-frequency polarization coarsening of corona discharge is replaced; the spring pressing plate is automatically pressed down along with the fluctuation of the film thickness, the sand layer is kept compact, the depth of the grooves is consistent, the water-based ink is spread and cured along the grooves during subsequent water-based ink printing, mechanical locking is formed, the ink is prevented from being pulled up during embossment embossing, and corona-free and ozone-free film surface coarsening is achieved.

The invention relates to a pad printing machine which comprises a machine table, a pad printing device and a first position recognition module. The transfer printing device comprises a bearing unit, a product jig, a jig coarse positioning module, a jig correction module, an imprinting module, an inking module and a rubber head cleaning module, wherein the inking module and the rubber head cleaning module are adjacent to the imprinting module. The jig correction module comprises a first position identification assembly and a correction assembly; the impressing module comprises a rubber head assembly and a jacking assembly; the jig coarse positioning module, the correcting assembly and the jacking assembly are located below the bearing unit. The jig coarse positioning module is used for performing coarse positioning on the position of the product jig; the first position recognition assembly is used for collecting pose deviation of the product jig or a product on the product jig, and the correction assembly performs pose correction based on the pose deviation; the jacking assembly is used for jacking the product jig, and the glue head assembly is used for imprinting products on the product jig. According to the scheme, transfer printing operation can be carried out more accurately and reliably in the transfer printing process, and the yield of products is greatly improved.

The utility model relates to the technical field of pad printing processing, in particular to a multi-station pad printing device with a calibration function. Comprising a base, a transfer printing module, a second linear moving module, a rotating platform and a visual assembly, the transfer printing module is arranged on the base and comprises a first linear moving module, and the first linear moving module is connected with a plurality of transfer printing heads; the second linear moving module is arranged on the base and located below the transfer printing module, the rotating platform is arranged on the second linear moving module, and a jig is arranged on one side of the rotating platform; the visual assembly comprises a camera, a memory and a display screen, the camera is arranged on the second linear moving module or the base, the jig can move to the position corresponding to the camera, the memory is used for storing images, and the display screen is used for displaying image information. The problem that in the prior art, a transfer printing device lacks reference during machining, and consequently the machining precision is affected is solved.

The present disclosure provides a printable structural adhesive composition. The present disclosure further provides methods for applying a structural adhesive onto a substrate, the method comprising printing the structural adhesive onto the substrate. Printing may be carried out by jet printing, pad printing, screen printing and / or stencil printing.

Provided is a transfer printing method capable of performing transfer printing of a multicolor pattern by a simple printing step. The pad printing method is a method for transferring a printing pattern to a printing object by bringing an ink-adhered pad head into contact with the printing object, and includes: a pattern creation step of color-decomposing the color of the final printing pattern into at least C (cyan), M (magenta), and Y (yellow), the printing patterns of all the colors are manufactured into dot patterns; a first transfer printing step, wherein the printing pattern of the color C is transferred to a printing object through a transfer printing rubber head; a second transfer printing step, wherein the printing pattern with the M color is transferred to the printing object through a transfer printing rubber head; and a third transfer printing step: transferring the printing pattern of the Y color to the printing object through a transfer printing rubber head.

The utility model belongs to the technical field of pad printing machines, and discloses a double-module double-rubber-head pad printing machine which comprises a machine frame, two sets of double-rubber-head mechanisms are installed on the machine frame in parallel, each double-rubber-head mechanism comprises a support, each support is in an inverted double-T shape, and two sets of single-rubber-head mechanisms are installed on each support. The single-rubber-head mechanism comprises a sliding rail installed on the inner side wall of the support and an installation plate installed at the top end of the support, a sliding block is installed on the sliding rail in a sliding mode, a moving frame is installed on the sliding block and is rectangular, the moving frame penetrates through the support, a threaded sleeve is installed at the top of the moving frame, and the threaded sleeve is connected with the threaded sleeve. The mounting plate is provided with a mounting frame, the mounting frame is provided with a motor, the output end of the motor is connected with a lead screw, the lead screw is rotatably mounted on the support, and the lead screw is matched with the threaded sleeve in a threaded mode; an XYR three-axis motion platform is installed at the bottom of the moving frame, a rubber head seat is installed at the output end of the XYR three-axis motion platform, and a rubber head is installed on the rubber head seat.

The utility model belongs to the technical field of pad printing machines, and particularly relates to a multi-station switching device which comprises a rotating platform, a plurality of material carrying mechanisms and a plurality of turnover mechanisms, the rotating platform comprises a fixed part and a rotating part, and the material carrying mechanisms are installed on the rotating part in an annular array mode. The plurality of turnover mechanisms are mounted on the fixing part in an annular array and are arranged corresponding to the loading mechanism; the material loading mechanism comprises a shell installed on the rotating part; the plurality of material carrying rods are rotatably arranged on the shell side by side and are used for carrying chopstick sleeves; the transmission gears are correspondingly installed on the material carrying rods respectively, and every two adjacent transmission gears are arranged in a meshed mode; the control panel is connected to one of the material loading rods; the turnover mechanism is used for driving the control panel to rotate; the utility model has the beneficial effects that the control disc rotates to drive one of the material carrying rods to rotate and drive the other material carrying rods to rotate, so that the production operation of double-sided printing of chopstick sleeves is met, and the production efficiency is improved.

The utility model discloses a pad printing equipment has mutually orthogonal first direction, second direction and third direction, pad printing equipment includes: the acceptance conveyer, pad printing conveying line is equipped with two, two pad printing conveying lines are arranged respectively in the both sides of acceptance conveyer, pad printing conveying line includes: pad printing conveyer, pad printing machine, positioning mechanism sets up in pad printing position, it is used for to the product and is in the center positioning, and make the product temporarily stay in pad printing position, pad printing equipment still includes: the shunt mechanism, and the shunt mechanism sets up in the top of the end of acceptance conveyer, the shunt mechanism includes: the shunt guide piece, sets up in the top of acceptance conveyer, the shunt drive part is used for driving the reciprocal swing of shunt guide piece to make a plurality of products shunt to two pad printing conveyer conveying. This scheme can effectively avoid the trouble of the beat adjustment of upstream equipment when adding pad printing equipment or replacing original pad printing equipment, thereby can reduce production line control difficulty, reduce system failure risk.

The invention relates to a six-color shuttle machine for accurate positioning and multi-angle transfer printing, and relates to the technical field of transfer printing processing equipment, the six-color shuttle machine comprises a shuttle machine frame, one end of the shuttle machine frame is fixedly connected with a workbench, and the other end of the shuttle machine frame is movably connected with a conventional pattern transfer printing assembly corresponding to the workbench; a workpiece fixing table is arranged on the workbench in a sliding fit mode, an intermittent feeding mechanism in transmission fit with the workpiece fixing table is further movably connected into the workbench, and a driving lock rod mechanism fixedly connected with the shuttle machine rack is arranged at one end of the intermittent feeding mechanism. The intermittent feeding mechanism enables the workpiece fixing table to automatically move to the next position, the transfer printing locking mechanism for locking the workpiece fixing table is arranged on the side, away from the intermittent feeding mechanism, of the driving locking rod mechanism, the driving locking rod mechanism and the transfer printing locking mechanism are matched with each other, and therefore the workpiece fixing table can be fixed during transfer printing; and the workpiece fixing table is prevented from deviating during transfer printing, so that the transfer printing precision is improved.

The utility model discloses efficient pad printing equipment for insoles, which comprises a pad printing device and a pad printing working table, a blanking device is arranged on the pad printing working table, a blanking area is arranged on one side of the pad printing working table, the blanking device comprises a base and a printing table, the printing table is driven by a motor to slide back and forth along the base in a matched mode, and the pad printing working table is arranged on the base. The printing table comprises a static table and a movable table, the static table and the movable table are matched through a hinge, a detachable limiting piece is arranged on the side, close to the movable table, of the static table, a guide inclined face is arranged on the side, away from the static table, of the movable table, and when the printing table moves towards the discharging area along the base, the movable table is driven out of the base. And the baffle plate can be folded downwards towards the blanking area. The automatic blanking device has the advantages of automatic blanking, labor saving and high working efficiency.

The utility model discloses an air leakage detection device for a plastic bottle. The air leakage detection device comprises an upper platform and a lower platform, an ejection mechanism is arranged on the lower platform, a fixed sleeve is fixedly arranged at the working end of the ejection mechanism, the inner diameter of the fixed sleeve is matched with the outer diameter of a plastic bottle, a pressure sensor is fixedly arranged on the inner wall of the fixed sleeve, and a controller electrically connected with the pressure sensor is further arranged on the lower platform; a sealing rubber head is fixedly arranged on the face, facing the fixing sleeve, of the upper platform and made of pad printing silica gel, an air passing hole is formed in the sealing rubber head, the diameter of the bottom of the sealing rubber head is larger than that of a bottle opening of a plastic bottle, and the size of the air passing hole is smaller than that of the bottle opening of the plastic bottle. The upper platform is further provided with an inflator pump, the air outlet end of the inflator pump is connected with an air pipe, and the end, away from the inflator pump, of the air pipe extends into the air passing hole. The plastic bottle can be fixed, sealing can be achieved, and threads of a bottle opening cannot be damaged; the air leakage detector is suitable for the plastic bottle processing industry and is used for detecting whether the plastic bottle leaks air.

This utility model relates to a pressure-controlled pad printing machine pad device, wherein the pad printing machine pad device includes: a pad unit, a workpiece carrying unit, and a lifting support unit; the pad unit, workpiece carrying unit, and lifting support unit are arranged at intervals from top to bottom; the pad unit is provided with at least one pad assembly; the workpiece carrying unit is provided with at least one workpiece fixture for carrying the workpiece; the lifting support unit is provided with a support member for abutting against the workpiece fixture and a pressure sensor for contacting the workpiece on the workpiece fixture; the lifting support unit lifts the workpiece fixture based on the support member so that the workpiece fixture is separated from the workpiece carrying unit, and the pressure sensor contacts the workpiece; the pad assembly presses the workpiece based on its pad and controls the pressure of the pad based on the pressure value fed back by the pressure sensor.

The invention discloses a 3D transfer printing process which comprises the following steps: pre-printing a colorless three-dimensional pattern on a transfer film by adopting a thermal stripping material mirror image; the transfer printing film and the smooth plate are aligned and attached; heating, pressurizing and laminating the transfer printing film; removing the transfer film on the surface of the smooth plate to transfer the colorless three-dimensional pattern to the surface of the smooth plate; carrying out transfer printing coloring on the colorless three-dimensional pattern on the smooth plate; the invention further discloses a printing device which comprises the track plate frame. A turnover transfer mechanism; a diaphragm plate; a positioning and laminating mechanism and a heat transfer printing and laminating mechanism; and the turnover transfer mechanism moves the transfer film plate, so that the transfer film plate is matched with the positioning laminating mechanism and the heat transfer printing covering mechanism to realize accurate transfer printing. The mode that the colorless three-dimensional patterns are printed on the transfer printing film in advance is utilized, the colorless three-dimensional patterns are separated from the transfer printing film in the heating and pressurizing process and printed on the smooth plate, then the colorless three-dimensional patterns obtained after transfer printing are printed, and it can be guaranteed that colors are relatively accurate.

The utility model provides a pad printing machine which comprises a machine frame, a pad printing rubber head and a clamping assembly used for clamping a workpiece, the pad printing rubber head and the clamping assembly are both arranged on the machine frame, the clamping assembly comprises a first translation piece, a second translation piece and a rotary clamping piece, the first translation piece is arranged on the machine frame in a sliding mode, and the second translation piece is arranged on the machine frame in a sliding mode. The second translation piece is arranged on the first translation piece in a sliding manner; the rotary clamping piece comprises a rotary driving piece, a supporting seat, a clamping driving piece and a movable clamping block, the rotary driving piece is arranged on the second translation piece and connected with the supporting seat, a fixed clamping block is fixedly arranged on the top surface of the supporting seat, and the clamping driving piece is arranged on the supporting seat and connected with the movable clamping block; the movable clamping block, the fixed clamping block and the supporting base jointly define a clamping space used for containing a workpiece. By adopting the pad printing machine, two different surfaces of the workpiece can be subjected to pad printing and marking, the production cost can be reduced, the workpiece does not need to be clamped for the second time, and the working efficiency can be improved.

The utility model provides a capacitor printing assembly which comprises a pad printing rubber head and further comprises a supporting seat, a supporting arm is adjustably connected to the supporting seat in a sliding mode, a swing arm is adjustably hinged to one end of the supporting arm, and a lifting seat is adjustably connected to one end of the swing arm in a sliding mode. A vertically extending mounting hole is formed in the bottom end of the lifting seat, and a mounting rod extending into the mounting hole is arranged at the top end of the pad printing rubber head; a clamping block is slidably connected to the lifting base in the horizontal direction, an extrusion block is slidably connected to the lifting base in the vertical direction, and a slope structure is formed between the clamping block and the extrusion block. An elastic piece is connected between the clamping block and the lifting seat, and the elastic piece enables the clamping block to tend to move away from the axis of the mounting hole; a spring is connected between the extrusion block and the lifting base, and under the action of the slope structure, the spring enables the extrusion block to have the tendency of driving the clamping block to move in the direction close to the axis of the mounting hole. The position of the pad printing rubber head can be conveniently adjusted and replaced.

The present application relates to the technical field of production line data management, in particular to a data acquisition system based on a contact lens production line, aiming at the problems of equipment information island, insufficient data real-time performance, poor storage reliability and the like existing in traditional data acquisition methods, through multi-source heterogeneous data standardized access, edge computing real-time processing and distributed database technology, the collection efficiency and completeness of key data such as process parameters, equipment state and disc circulation information are significantly improved. Through the industrial-grade hot standby redundant transmission channel and the persistent storage mechanism, the data loss risk caused by network fluctuation or equipment failure in the prior art is solved, the high reliability storage of high-frequency dynamic parameters such as pad printing positioning accuracy, filling pressure and mold temperature is ensured, and a stable data basis is provided for production tracing and process optimization. At the same time, a load balancing module is provided to ensure the load balancing of the server nodes receiving data and ensure the stable and reliable working environment of the subsequent links.

The utility model relates to the field of transfer printing processing devices, in particular to a plastic electroplated product surface transfer printing processing device which comprises a workbench, a mounting frame fixed to the workbench, a transfer printing mechanism arranged at the top of the mounting frame in a sliding mode, a feeding mechanism arranged in the mounting frame and a fixing frame arranged at the output end of the feeding mechanism. A receding groove is formed in the fixing frame, a rotating shaft capable of rotating is horizontally installed in the receding groove, a second gear used for transmission is fixed to the rotating shaft, a sixth telescopic assembly is installed on the fixing frame in the vertical direction, a second rack is longitudinally arranged at the output end of the sixth telescopic assembly, and the second rack can be meshed with the second gear; a mounting plate is arranged on the rotating shaft, a sleeve capable of rotating is arranged on the mounting plate, a seventh telescopic assembly is sleeved with the sleeve, automatic discharging is achieved, and the problem that manual material taking is needed is solved.

The utility model discloses a transfer printing latex head cleaning mechanism which comprises a rack, an equipment table is fixedly connected to the top of the rack, an air cylinder is fixedly connected to the outer end of the top of the equipment table, an oil cup is arranged at the telescopic end of the air cylinder, a vertical frame is fixedly connected to the top of the equipment table, and a first motor is fixedly connected to one side of the outer wall of the vertical frame. A center shaft is rotationally connected to the top of the vertical frame, a turnover frame is fixedly connected to the outer wall of the center shaft, a transmission assembly is jointly arranged between the center shaft and a first motor driving shaft, a second motor is fixedly connected to the top of the turnover frame, and a second motor driving shaft penetrates through the turnover frame and is fixedly connected with a lead screw shaft. A ball nut is arranged outside the lead screw shaft. The machine frame, the third motor, the adhesive tape and the waste roll are matched with one another, the waste roll is driven by the third motor to recycle the transparent adhesive tape, redundant ink around a lettering latex head can be conveniently bonded and adsorbed, and the cleaning effect and efficiency are greatly improved.

The utility model discloses a pad printing device, which relates to the technical field of pad printing machines and comprises a machine table. The machine table is provided with a detection area and a printing area; the transfer printing jig is movably arranged on the machine table; the detection mechanism is used for detecting a workpiece on the transfer printing jig; the material throwing mechanism comprises a material throwing carrying table, a collecting disc and a first driving assembly which are arranged in the detection area; the transfer mechanism is used for transferring defective workpieces on the transfer printing jig to the throwing mechanism; the printing mechanism is used for printing the workpiece on the transfer printing jig; the technical scheme provided by the utility model has the technical effects that the detection mechanism detects the workpieces on the transfer printing jig so as to divide the workpieces on the transfer printing jig into good workpieces and defective workpieces, the good workpieces continue to be conveyed to the printing mechanism for printing, the defective workpieces are transferred to the material throwing mechanism by the transfer mechanism, and then the workpieces on the transfer printing jig are conveyed to the printing mechanism for printing. And therefore, the defective product rate of the workpieces is reduced, and the production efficiency is improved.

The invention provides a transfer printing method and system for a cosmetic contact lens VU line printing machine, and the method comprises the steps: cleaning a flat steel plate, directly printing a pattern matched with a to-be-printed area of a cosmetic contact lens on the surface of the steel plate in an ink-jet manner, recognizing the center position of the ink-jet pattern through an optical focusing device, and locking the coordinate, and controlling the rubber head to adsorb the ink and then transferring the ink to the surface of the cosmetic contact lens, and finally performing surface curing treatment on the cosmetic contact lens. The system comprises a plurality of function modules which cooperatively execute the method. The ink jet mode is adopted to replace a traditional laser etching machining steel plate, precise positioning is achieved through optical focusing, various pattern transfer printing of cosmetic contact lenses is adapted, and technical management and control of the whole transfer printing process are improved.

The invention relates to the technical field of transfer printing, and particularly discloses a glass bottle surface printing machine which comprises a conveying belt horizontally arranged and used for conveying bottle bodies, a bottom plate arranged at the tail end of the conveying belt, a supporting plate arranged above the bottom plate, a first supporting column used for connecting the bottom plate and the supporting plate and a push plate arranged on the supporting plate. The first driving device is used for driving the push plate to ascend and descend, the first clamping block and the second clamping block are arranged at the two ends above the push plate, the second driving device is used for driving the first clamping block and the second clamping block to move relatively, the third driving device is used for driving the first clamping block to rotate in the axial direction of the horizontal direction of the first clamping block, and the printing device is arranged above the push plate. The supporting plate is of a U-shaped structure and used for supporting a bottle body, and the first clamping block and the second clamping block are used for clamping the two ends of the bottle body respectively. By means of the glass bottle surface printing machine, double-face printing can be efficiently conducted on a glass bottle of a flat structure.

This invention relates to the field of pad printing equipment technology, and in particular to an automatic pad printing device and its control method. The pad printing device includes a main body, an ink supply mechanism, a pad printing mechanism, a multi-station turntable mechanism, and a vision positioning mechanism. The multi-station turntable mechanism includes a turntable and a workpiece platform, with at least one first workpiece placement position on the workpiece platform. The turntable has at least a feeding station, a dust removal station, a pad printing station, and a drying station in its circumferential direction. Any workpiece platform can be rotated to one of the feeding station, dust removal station, pad printing station, and drying station via the turntable. The pad printing mechanism moves between the ink supply mechanism and the first workpiece placement position. The vision positioning mechanism performs visual positioning of the first workpiece placement position at the pad printing station. Before pad printing, the vision positioning mechanism can take an image of the workpiece to be pad printed to locate its position, and adjust the pad printing posture of the pad printing mechanism accordingly to improve pad printing accuracy, pad printing quality, and pad printing efficiency.

The utility model relates to printing device, specifically disclose a kind of automatic cleaning's pad printing device, including first guide rail, first slide is slidably arranged on first guide rail, the rotating shaft being connected with first slide, the rubber head being connected with rotating shaft, the driving device for driving rotating shaft rotation, second guide rail parallel to first guide rail, second slide is slidably arranged on second guide rail, the cover being connected with second slide and opening downward, the through-hole being opened in cover, the velvet being arranged at through-hole, and the traction device being connected with velvet;Length direction of cover is parallel to the length direction of first guide rail, cover is covered in rubber head upper side.The automatic cleaning's pad printing device of the utility model can efficiently clean pad printing rubber head, and will not affect pad printing efficiency.

This application relates to the field of printing equipment technology, and provides a monochrome pad printing device and method, which includes a base, a rotary table, positioning blocks, a feeding assembly, a pad printing assembly, and a discharging assembly. The rotary table is rotatably connected to the base via a stepper motor. Several positioning blocks are disposed on the rotary table and spaced apart along the rotation direction of the rotary table. The positioning blocks are used to place the workpiece to be printed. The feeding assembly, pad printing assembly, and discharging assembly are arranged sequentially along the rotation direction of the rotary table. The feeding assembly transfers the workpiece to be printed onto the positioning blocks. The pad printing assembly presses the workpiece onto the positioning blocks. The discharging assembly unloads the printed workpiece. This application has the effect of facilitating the feeding, pad printing, and unloading of workpieces, thereby improving production efficiency.

The utility model relates to the technical field of pad printing machine workbench height adjustment, and discloses a pad printing machine workbench height fine adjustment assembly which comprises a sandwich plate, the bottom of the sandwich plate is fixedly connected with a bottom plate, the top of the bottom plate is fixedly connected with a supporting shell, and the left side of the interior of the supporting shell is slidably connected with a rack. The top of the rack penetrates through the supporting shell, a transmission rod is rotationally connected to the upper middle portion of the front side of the supporting shell, the rear end of the transmission rod penetrates through the supporting shell and is fixedly connected with a gear, and the left side of the gear is connected with the rack in an engaged mode. The rack is driven to move upwards through meshing transmission of the gear, the working frame is jacked up to achieve rapid rough adjustment, the worm gear drives the lead screw to rotate, the supporting column moves upwards along the lead screw to continue to enable the working frame to ascend, fine adjustment is achieved, and the working frame can be rapidly adjusted to a proper position through combination of rough adjustment and fine adjustment. And the production efficiency is improved.

The utility model relates to the technical field of pad printing machines, and discloses a pad printing machine with a replaceable rubber head, which comprises a pad printing machine shell, a lifting structure and a positioning structure are arranged on the upper surface of the pad printing machine shell, a lifting seat is mounted on the lifting structure, a detachable rubber head body is arranged below the lifting seat, and the rubber head body is mounted on the positioning structure. A mounting groove for mounting the glue head body is formed in the lower surface of the lifting seat; through the cooperation of the lifting seat, the locking assembly, the unlocking assembly and the rubber head body, the connecting column is directly inserted into the mounting groove, so that the locking assembly quickly clamps the rubber head body, the mounting efficiency of the rubber head body is improved, and the pressing block is pressed against the right-angle block to drive the clamping block on the clamping plate to be separated from the rubber head body, so that the mounting efficiency of the rubber head body is improved. And therefore, the rubber head body can be conveniently and quickly disassembled, the disassembly and assembly efficiency of the rubber head body is improved, the damaged rubber head body can be replaced, and the printing efficiency is improved.

The application discloses a kind of automatic feeding and discharging mechanical hand control method for pad printing machine, comprising the following steps: obtaining feeding point three-dimensional coordinates and material changing point three-dimensional coordinates, wherein machine tool is provided with multiple layers of material tray, and zero point three-dimensional coordinates are set for material tray;Based on feeding point three-dimensional coordinates, material changing point three-dimensional coordinates and zero point three-dimensional coordinates, generate first intermediate position coordinates and second intermediate position coordinates;Control first mechanical hand according to the first intermediate position coordinates generated, carry out machine tool processing;Control second mechanical hand according to the second intermediate position coordinates generated, and remove the processed workpiece of material changing point;Whether the intermediate stroke is greater than the predetermined threshold according to the moving distance, so as to select the first moving speed or the second moving speed to complete the intermediate stroke;The automatic feeding and discharging mechanical hand control method and system for pad printing machine integrate advanced coordinate acquisition, generation, mechanical hand control, speed optimization and fault handling technology, realize efficient, high-precision, automated production.

The utility model discloses a multi-station automatic pad printing machine connected with an injection molding line. The multi-station automatic pad printing machine comprises a pad printing main machine, a feeding mechanical arm, a discharging mechanical arm and a rotary workbench. The feeding mechanical arm and the discharging mechanical arm are located at a feeding opening and a discharging opening of the transfer printing main machine correspondingly. A touch console and a plurality of printing rubber heads which are matched with the transfer printing main machine are arranged on the transfer printing main machine, and an ink disc and a rubber cleaning mechanism which are matched with the transfer printing main machine are arranged below the printing rubber heads. Multi-station step-by-step continuous printing can be achieved, the working procedures of five pad printing machines are integrated into the same printing process, the transportation cost and the labor cost of products are saved, in addition, multi-face, multi-station and multi-color printing of the products can be achieved only through one clamp, the same printing color is adopted for multi-station printing, and the printing efficiency is improved. And the production benefit and the product color register precision are greatly improved.

The application discloses a laryngeal mask airway oil spraying and pad printing integrated machine, which comprises a machine body, a fixed disc and an intermittent rotary disc installed on the machine body, and the intermittent rotary disc rotates intermittently around the fixed disc; a positioning carrier is arranged on the intermittent rotary disc in a circumferential direction, a plurality of work stations are arranged at intervals around the intermittent rotary disc, the plurality of work stations comprise a loading work station, a pad printing work station, a detection work station and an unloading work station arranged in sequence along a rotating direction of the intermittent rotary disc, the pad printing work station is provided with a pad printing device, the detection work station is provided with a visual detection device, and the unloading work station is provided with an automatic unloading device; the pad printing device is provided with a pad printing head, the fixed disc is provided with an automatic oil spraying device, and the automatic oil spraying device is provided with a nozzle. The oil spraying and pad printing integrated machine has a reasonable structure design, can realize automatic processing of oil spraying and pad printing on a laryngeal mask airway, is provided with visual detection, and thus the intermediate manual turnover link is omitted, the manual participation degree is reduced, the manual cost is reduced, the production efficiency and the product qualification rate are effectively improved.

The present application provides an ink concentration adjusting device and a pad printing machine, wherein the ink concentration adjusting device comprises a solvent tank, a stirrer, a conveying pipeline and a flow control valve. The solvent tank is configured to store a solvent for diluting the concentration of ink; the stirrer is arranged in an ink tank of the pad printing machine and is configured to stir the solvent and the ink in the ink tank uniformly; the conveying pipeline is connected to the solvent tank and the ink tank; and the flow control valve is arranged in the conveying pipeline and is configured to control the volume of the solvent entering the ink tank.