CN114248534A

CN114248534A - Double-cutter-group printing machine

Info

Publication number: CN114248534A
Application number: CN202111584543.9A
Authority: CN
Inventors: 洪楚国; 胡杰; 陈毅
Original assignee: Suzhou Chenzheng Solar Equipment Co ltd
Current assignee: Suzhou Chenzheng Solar Equipment Co ltd
Priority date: 2021-05-13
Filing date: 2021-12-23
Publication date: 2022-03-29
Also published as: CN113103741A

Abstract

The invention discloses a double-cutter-group printing machine, which comprises: printing frame, printing frictioning deviation correcting device, visual detection device, safety light curtain, lift feeding device, material loading transport jacking device, light source, take the whole truckle of adjusting, touch-control board, display screen and other safety shield. Through the mode, the double-knife-set printing machine solves the problems of the quality and the printing speed of the conductive offset printing of the photovoltaic module, improves the productivity of equipment, meets the production line takt time, enables the conductive offset printing to be more accurate and uniform, ensures the qualified rate of printing, further improves the product yield, reduces the cost, improves the productivity of the equipment, improves the working efficiency of staff, and creates economic value for enterprises.

Description

Double-cutter-group printing machine

Technical Field

The invention relates to the field of solar cell module conductive adhesive printing equipment, in particular to a double-cutter-set printing machine.

Background

The MWT photovoltaic module is a photovoltaic module based on a brand-new metal foil circuit design, and battery pieces are interconnected through conductive glue and a conductive core board to form a complete conductive loop. The MWT back contact battery technology is characterized in that a front main grid introduces a front electrode of a battery piece into the back of the battery piece in a laser drilling mode, current on the front is converged to the back by combining pouring silver paste, positive and negative electrodes on the back are distributed in a dotted mode, and positive and negative electrode points on the back are connected with a conductive core board through conductive adhesive, so that a conductive loop is formed.

Because the aperture of the electrode point on the back surface of the MWT battery piece is less than 200 micrometers, and the conductive adhesive is an adhesive with both conductivity and adhesive property, if the conductive adhesive is poorly printed, the electrode point of the battery piece is not in correspondence with the adhesive point, so that poor contact is caused, and the product is degraded. In addition, the printing speed of the current printing equipment is low, which results in low equipment productivity, so that the equipment is required to be provided for meeting the requirement of fast and accurate printing of the MWT conductive adhesive.

Disclosure of Invention

The invention mainly solves the technical problem of providing the double-cutter-group printing machine, solves the problems of the quality and the printing speed of the conductive offset printing of the photovoltaic module, has the advantages of high reliability, accurate positioning, compact structure and the like, and has wide market prospect in the application and popularization of the conductive offset printing equipment of the solar cell module.

In order to solve the technical problems, the invention adopts a technical scheme that:

there is provided a dual blade set printing press comprising: the printing machine frame, be used for fixing the product, rectify and printing the printing frictioning deviation correcting device, the lift feeding device of printing frictioning, be used for carrying on the product and carry the jacking device with the material loading of jacking, be provided with the lift feeding device who drives its elevating movement on the printing frictioning deviation correcting device, the below of printing frictioning deviation correcting device is provided with the material loading and carries the jacking device.

In a preferred embodiment of the invention, the feeding, conveying and jacking device comprises a feeding adsorption follow-up tooling plate, a feeding adsorption follow-up tooling plate conveying line for conveying the feeding adsorption follow-up tooling plate and a follow-up tooling plate jacking device, wherein the feeding adsorption follow-up tooling plate comprises a feeding follow-up tooling plate frame, a follow-up tooling plate panel, a concave taper hole connecting block and a positioning concave taper hole, the follow-up tooling plate panel is arranged on the feeding follow-up tooling plate frame, the positioning concave taper hole is arranged at the bottom surface of the concave taper hole connecting block, the upper part of the concave taper hole connecting block is connected with the feeding follow-up tooling plate frame in a lifting way,

the follow tooling plate jacking device comprises a follow tooling plate jacking frame, a jacking cylinder and a positioning convex taper pin, wherein the positioning convex taper pin is connected with the loading adsorption follow tooling plate in a positioning mode through the matching of a positioning concave taper hole, the positioning convex taper pin is arranged on the follow tooling plate jacking frame, the jacking cylinder is connected with a spherical concave surface on the follow tooling plate jacking frame through a spherical floating structure in a contact mode to drive the follow tooling plate jacking frame to ascend and descend, an adjusting screw hole is arranged on the spherical floating structure, the follow tooling plate jacking frame is connected with the adjusting screw hole in a threaded matching mode through an adjusting screw, the height of the follow tooling plate jacking frame is adjusted, and the follow tooling plate jacking frame is kept at a unified level after being jacked.

In a preferred embodiment of the present invention, the printing squeegee deviation correcting device includes a printing frame, a double-blade squeegee device, a pressing deviation correcting device, and a displacement feeding device, the displacement feeding device is disposed in the printing frame, one or more groups of the double-blade squeegee device are connected to the displacement feeding device to move back and forth in the printing frame, two groups of pressing deviation correcting devices are disposed in the printing frame in a relatively sliding manner, and the pressing deviation correcting devices are respectively disposed on two sides of the double-blade squeegee device to adjust a distance between the pressing deviation correcting devices according to a size of an actual screen plate, wherein two ends of the printing frame are fixedly/liftably disposed with a squeegee blade for supporting the screen plate.

In a preferred embodiment of the present invention, the double-blade squeegee device includes a squeegee support frame, a squeegee blade lifting cylinder, a squeegee blade lifting guide mechanism, and a squeegee blade connection mechanism, wherein the squeegee blade includes a front screen printing squeegee blade and a rear screen printing squeegee blade, the squeegee support frame is movably connected to the squeegee blade through the squeegee blade lifting guide mechanism and the squeegee blade connection mechanism, the squeegee blade lifting cylinder is disposed on the squeegee support frame and drives the squeegee blade to move up and down through the squeegee blade connection mechanism, and two ends of the squeegee support frame are fixedly connected to the displacement feed device.

In a preferred embodiment of the present invention, the scraper lifting and guiding mechanism includes a scraper lifting and guiding seat and a scraper lifting and guiding shaft, the scraper lifting and guiding seat is fixedly disposed on the frictioning support frame, the lower end of the scraper lifting and guiding shaft is connected to the scraper connecting mechanism, and the upper end of the scraper lifting and guiding shaft is slidably disposed in the scraper lifting and guiding seat.

In a preferred embodiment of the present invention, the scraper connection mechanism includes a scraper connection block and a scraper connection plate, the scraper connection block is connected to the scraper lifting guide shaft and the scraper lifting cylinder, the scraper connection plate is connected to the scraper connection block, and the scraper is connected to the scraper connection plate.

In a preferred embodiment of the present invention, the two ends of the frictioning support frame are provided with the belt clamping plate devices for fixedly connecting with the displacement feeding device, each belt clamping plate device comprises a clamping plate connecting plate, an upper clamping plate and a lower clamping plate, the clamping plate connecting plate is connected with the frictioning support frame, the upper clamping plate is arranged on the clamping plate connecting plate, the lower clamping plate is detachably connected with the upper clamping plate, the upper clamping plate and the lower clamping plate are respectively located at the upper side and the lower side of the displacement feeding belt to fixedly clamp the displacement feeding belt, the clamping plate connecting plate is provided with a displacement slider, and the printing frame is internally provided with a displacement slide rail slidably connected with the displacement slider, so that the displacement feeding device drives the frictioning support frame to move back and forth along the displacement slide rail.

In a preferred embodiment of the present invention, the pressing deviation rectifying device includes a pressing deviation rectifying support frame, a pressing driving cylinder, a pressing pressure plate, a pressing deviation rectifying connecting block, a screen supporting plate, and a supporting plate adjusting driving device, the pressing driving cylinder is disposed on the pressing deviation rectifying support frame, the pressing driving cylinder is connected to the pressing pressure plate to drive the pressing pressure plate to move up and down to press the screen plate, the pressing deviation rectifying connecting block is slidably disposed on the pressing deviation rectifying support frame, the screen supporting plate is connected to the pressing deviation rectifying connecting block, two ends of the pressing deviation rectifying support frame are slidably connected to the displacement slide rails through sliders, and the supporting plate adjusting driving device drives the pressing deviation rectifying support frame to move back and forth along the displacement slide rails to adjust the distance between the screen supporting plates which are disposed oppositely.

In a preferred embodiment of the invention, the supporting plate adjusting and driving device comprises a supporting plate adjusting rack, a supporting plate adjusting hand wheel, a bevel gear set, a supporting plate adjusting and positioning block, a supporting plate adjusting and fixing plate, a locking driving cylinder and a locking rack, wherein the supporting plate adjusting and positioning block is arranged at two ends of the pressing deviation rectifying support frame, the supporting plate adjusting and positioning block and the supporting plate adjusting and fixing plate are in sliding connection with the displacement slide rail through a slide block, the supporting plate adjusting hand wheel is arranged on the supporting plate adjusting and fixing plate and drives the bevel gear set to rotate, the bevel gear set is connected with a screw rod rotatably arranged on the supporting plate adjusting and fixing plate so as to drive the screw rod to rotate, a nut on the screw rod is connected with the supporting plate adjusting and positioning block, so that the screw rod drives the supporting plate adjusting and positioning block to move back and forth through the nut, the supporting plate adjusting rack is fixedly arranged on the printing frame, the locking driving cylinder is arranged on the supporting plate adjusting and fixing plate, the locking driving cylinder drives the locking rack to be meshed with the supporting plate adjusting rack so as to achieve the purpose of locking the rack.

In a preferred embodiment of the present invention, the screen supporting plate is provided with a screen supporting plate deviation rectifying device.

The invention has the beneficial effects that: production line takt time is satisfied, and it is more accurate to let the conductive offset printing, and is more even, guarantees the qualification rate of printing, further promotes the product yield, reduce cost, improve equipment productivity, improves staff's operating efficiency, creates economic value for the enterprise.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic diagram of the overall structure of a preferred embodiment of a dual blade printer of the present invention;

FIG. 2 is a schematic structural diagram of a double-blade squeegee apparatus according to a preferred embodiment of the double-blade printing press of the present invention;

FIG. 3 is a schematic structural diagram of a printing squeegee deviation correcting device in a preferred embodiment of a dual blade-set printing machine according to the invention;

FIG. 4 is a schematic diagram of a pressing deviation rectifying device in a preferred embodiment of a dual-blade printing machine according to the present invention;

FIG. 5 is a schematic diagram of the overall structure of a printing squeegee deviation rectifying device in a preferred embodiment of the dual blade-set printing machine according to the invention;

FIG. 6 is a schematic structural diagram of a feeding and lifting device in a preferred embodiment of a dual blade set printing machine according to the present invention;

FIG. 7 is a schematic partial structure view of a feeding and lifting device in a preferred embodiment of a dual blade set printing machine according to the present invention;

FIG. 8 is a schematic bottom view of a feeding and lifting device of a preferred embodiment of the dual blade set printing machine of the present invention;

FIG. 9 is a schematic side view of a feeding and lifting device of a dual blade set printing machine according to a preferred embodiment of the present invention;

FIG. 10 is a schematic diagram of the position of the doctor blade carrier in a preferred embodiment of the dual blade set printer of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-10, an embodiment of the invention includes:

a kind of double-knife group printer, its structure includes: the printing machine frame 1009, the printing frictioning deviation correcting device, the visual inspection device 1012, the safety light curtain 1013, the lifting and feeding device, the feeding and conveying jacking device, the light source 1019, the caster 1020 with the adjusting block, the touch pad 1021, the display screen 1022 and other safety baffles.

The printing frictioning deviation correcting device is provided with a lifting feeding device for driving the printing frictioning deviation correcting device to move up and down, a feeding conveying jacking device is further arranged below the printing frictioning deviation correcting device, and a visual detection device is arranged above the printing frictioning deviation correcting device. The inside top of printing frame and both sides still locate to be equipped with the light source, and the stand position of printing frame still is provided with safe light curtain, and printing frame one side still is provided with the touch-control board, and the printing frame still sets up safety shield all around, and the printing frame bottom still is provided with the area and adjusts the block truckle.

The loading, conveying and jacking device comprises a loading adsorption follow-up tooling plate 1017, a loading adsorption follow-up tooling plate conveying line 1016 and a follow-up tooling plate jacking device 1018, wherein the loading adsorption follow-up tooling plate conveying line is used for conveying the loading adsorption follow-up tooling plate.

The feeding adsorption follow-up tooling plate conveying line comprises a speed reducer 1059 used as output power, and the feeding adsorption follow-up tooling plate is conveyed through a shaft, a belt pulley and a belt.

The loading adsorption follow tooling plate comprises a loading follow tooling plate frame 1060, a follow tooling plate panel 1061, an overturning fixing block 1064, a fixed profile frame, a side protection strip and a positioning concave taper hole 1065.

The servo tooling plate panel is arranged on the feeding servo tooling plate frame, a Teflon coating is sprayed on the servo tooling plate panel to increase the wear resistance, and the positioning concave taper hole is arranged on the bottom surface of the feeding servo tooling plate frame. The loading adsorption follow-up tooling plate can be used for positioning and fixing products in a vacuum adsorption mode, an electrostatic adsorption mode or an ice layer fixing mode and the like.

The frame structure of the loading follow-up tooling plate frame can reduce the weight of the follow-up tooling plate, and can also use the whole plate processing to remove the part which does not influence the strength, or can use a foamed aluminum plate.

The overturning fixing blocks are arranged on two sides of the feeding follow-up tooling plate frame and used as acting points for clamping when the station is overturned. The fixed profile frames are arranged on two sides of the bottom of the feeding follow-up tooling plate frame. The side protection strips are arranged on the outer sides of the turnover fixing blocks and/or the fixed profile frame, and when the back plate moves, if collision occurs, a part of impact force is absorbed, so that the back plate does not move as much as possible.

The pallet jack-up device is used for jacking the pallet and structurally comprises a pallet jack-up frame 1066, a pallet jack-up frame jack-up cylinder 1071 and a positioning convex cone pin 1067.

With the concave taper hole cooperation in location adsorbs the tooling board of material loading and carries out the location connection the protruding taper pin in location set up in on the tooling board jack-up frame, concave taper hole and protruding taper pin can be bigger than the scope of rectifying of cylindric lock, and is more smooth and easy when breaking away from simultaneously, compares the mode of a fixed pin + a removable pin, and repeated positioning accuracy can be better. The jacking frame is characterized in that 4 following tooling plate jacking frame jacking cylinders are arranged at four corners of the bottom of the jacking frame, a power output end of each following tooling plate jacking frame jacking cylinder is connected with a spherical floating structure 1068 (the spherical structure at the top of the spherical floating structure is in contact with a spherical concave surface on the following tooling plate jacking frame), and the frame cannot be clamped when being lifted, so that the frame is smoother when the following tooling plate jacking frame is driven to lift. The top of the spherical floating structure is provided with an adjusting screw hole, a screw penetrates through the following tooling plate jacking frame and is in threaded connection with the adjusting screw hole, and the lifting height is finely adjusted by locking the screw, so that the fine adjustment frame is kept on a uniform level after being jacked. Wherein, the spherical floating structure can adopt the existing structural equipment.

During feeding, two embodiments are provided, specifically as follows:

embodiment mode 1

When the loading adsorption follow tooling plate is transmitted to the deceleration induction sensor from the loading adsorption follow tooling plate conveying line, the deceleration is started, then the loading adsorption follow tooling plate slowly operates at a low speed and stops when the jacking position sensor lamp is on, the positioning convex taper pin enters the positioning concave taper hole under the action of the jacking frame jacking cylinder of the follow tooling plate, the loading adsorption follow tooling plate is positioned under the help of the taper hole, the position deviation during the transmission and the stop is corrected, after the process at the position is completed, the jacking frame jacking cylinder of the follow tooling plate descends, the follow tooling plate falls back to the conveying line again, and meanwhile, the positioning convex taper pin is separated from the positioning concave taper hole.

Embodiment mode 2

Directly drive material loading absorption tooling board transfer chain operation through servo motor for the material loading adsorbs the tooling board and stops at required position, the protruding taper pin in location gets into the concave taper hole in location under the effect of cylinder, with the tooling board location of following under the help of taper hole, the positional deviation when correcting the transmission and stopping, treat the process completion back at place, the cylinder descends, with the tooling board transmission line that falls back again, the protruding taper pin in location breaks away from the concave taper hole in location simultaneously.

Printing frictioning deviation correcting device includes print frame 1023, double knives frictioning device 1010, compresses tightly deviation correcting device 1011, displacement feeding device set up in the print frame, a set of or multiunit double knives frictioning device with displacement feeding device is connected to round trip movement in the print frame, double knives frictioning device can effectively avoid once the frictioning inhomogeneous, the frictioning problem of leaking gluey appears, guarantees the frictioning quality, two sets of compression deviation correcting device relative slip set up in the print frame, and compress tightly deviation correcting device set up respectively in the both sides of double knives frictioning device to adjust the interval that compresses tightly between the deviation correcting device according to the size of actual screen plate, so that bearing screen plate is suitable for multiple screen plate type, satisfies multiple size screen plate's demand.

One end or both ends of printing frame can be provided with scraper layer board 1069, and the scraper layer board is located the below of two sword frictioning devices originated/termination position, the bottom of scraper layer board is connected with layer board lift drive, and layer board lift drive drives scraper layer board up-and-down motion (to flush with the material loading adsorption tooling board) for when printing, the scraper layer board can play the below of seal department at the half tone and carry out the supporting effect, is used for offsetting the pressure of a part scraper to the half tone, extension half tone life-span.

Wherein, layer board lift drive arrangement includes layer board lift cylinder, in order to further improve the stability that scraper layer board goes up and down, swing joint has layer board lift guide bar on the scraper layer board.

The double-blade frictioning device 1010 comprises a frictioning support frame 1024, a scraping plate lifting cylinder 1025, a scraping plate lifting guide mechanism 1028, a scraping plate connecting mechanism and a belt clamping plate device, wherein the scraping plate comprises one or more of a front silk-screen scraping plate 1026 and a rear silk-screen scraping plate 1027. The frictioning support frame passes through scraper blade lift guiding mechanism and scraper blade coupling mechanism with scraper blade swing joint, scraper blade lift cylinder set up in on the frictioning support frame to drive the scraper blade up-and-down motion through scraper blade coupling mechanism, the both ends of frictioning support frame be provided with be used for with displacement feed device fixed connection the belt splint device.

The scraper plate lifting cylinder is connected with a pressure regulating device, two superior pressure regulating modes are provided, one mode is to arrange a precise pressure regulating valve, and the other mode is to arrange a proportional control valve. The accurate air-vent valve can accurate control pressure, and the proportional control valve then can regulate and control pressure, has compensation pressure, and both purposes are the quality in order to guarantee the frictioning, accurate frictioning, and two kinds of modes can be selected according to the demand.

The scraper lifting guide mechanism comprises a scraper lifting guide seat and a scraper lifting guide shaft, the scraper lifting guide seat is fixedly arranged on the frictioning support frame, the lower end of the scraper lifting guide shaft is connected with the scraper connecting mechanism, and the upper end of the scraper lifting guide shaft is slidably arranged in the scraper lifting guide seat.

The scraper blade coupling mechanism includes scraper blade connecting block 1029, scraper blade connecting plate 1030, the scraper blade connecting block with scraper blade lift guiding axle with scraper blade lift cylinder is connected, the scraper blade connecting plate with the scraper blade connecting block is connected, the scraper blade with the scraper blade connecting plate is connected.

The displacement feeding device comprises a displacement feeding servo motor 1036, a displacement feeding belt 1037, a displacement feeding shaft 1038, a displacement feeding coupler and a displacement feeding belt pulley 1039, wherein the displacement feeding belt encircles the displacement feeding belt pulley, the displacement feeding servo motor is connected with the displacement feeding belt pulley through the displacement feeding shaft and the displacement feeding coupler so as to drive the displacement feeding belt to move.

The double-knife glue scraping device has the advantages that the displacement feeding servo motor is used for outputting power, the displacement feeding shaft, the displacement feeding coupler, the displacement feeding belt pulley and the displacement feeding belt are used for transmitting the power, the purpose that the double-knife glue scraping device moves on the screen plate in a reciprocating mode is achieved, and inclination and deviation cannot occur in the transmission process.

The belt clamping plate device comprises a clamping plate connecting plate 1031, an upper clamping plate 1032 and a lower clamping plate 1033, the clamping plate connecting plate is connected with the frictioning support frame, the upper clamping plate is arranged on the clamping plate connecting plate, the lower clamping plate is detachably connected with the upper clamping plate, the upper clamping plate and the lower clamping plate are respectively positioned on the upper side and the lower side of the displacement feeding belt so as to fixedly clamp the displacement feeding belt.

In order to further improve the stability and accuracy during displacement, a displacement slider 1034 is disposed on the splint connecting plate, and a displacement slide rail 1035 slidably connected to the displacement slider is disposed on the inner side of the print frame, so that the displacement feeding device can drive the frictioning support frame to move back and forth along the displacement slide rail.

The pressing deviation-rectifying device comprises a pressing deviation-rectifying support frame 1040, a pressing driving cylinder 1041, a pressing pressure plate 1042, a pressing deviation-rectifying connecting block 1043, a silk screen supporting plate 1044 and a manual or automatic supporting plate adjusting driving device,

the screen plate compression and correction device is characterized in that the compression and correction support frame is provided with a compression driving cylinder, the compression driving cylinder is connected with a compression pressing plate to drive the compression pressing plate to move up and down to compress the screen plate, the compression and correction connecting block is arranged on the compression and correction support frame in a sliding mode, the screen supporting plate is connected with the compression and correction connecting block, two ends of the compression and correction support frame are connected with the displacement slide rail in a sliding mode through sliders, and the supporting plate adjusting and driving device drives the compression and correction support frame to move back and forth along the displacement slide rail to adjust the distance between the screen supporting plates which are arranged oppositely, so that the use requirements of different screen plates are met.

The supporting plate adjusting and driving device comprises a supporting plate adjusting gear 1045, a supporting plate adjusting rack 1046, a supporting plate adjusting hand wheel 1047 (other automatic driving devices can be adopted), a bevel gear group 1048, a supporting plate adjusting and positioning block 1051, a supporting plate adjusting fixing plate 1073, a locking driving cylinder 1049 and a locking rack 1050, wherein the supporting plate adjusting and positioning block is arranged at two ends of the pressing deviation rectifying support frame, the supporting plate adjusting and positioning block and the supporting plate adjusting fixing plate are in sliding connection with the displacement slide rail through a slider, the supporting plate adjusting hand wheel is arranged on the supporting plate adjusting fixing plate and drives the bevel gear group to rotate, a horizontal rotating gear in the bevel gear group is connected with a screw rod which is rotatably arranged on the supporting plate adjusting fixing plate so as to drive the screw rod to rotate, a nut on the screw rod is connected with the supporting plate adjusting and positioning block, so that the screw rod drives the supporting plate adjusting and positioning block to move back through the nut, thereby adjust the whole position that compresses tightly the support frame of rectifying, layer board adjusting gear rotatable set up in on the layer board is adjusted the position block, layer board adjusting rack fixed set up in print frame, layer board adjusting gear with the meshing motion of layer board adjusting rack, locking drive actuating cylinder set up in on the layer board is adjusted the fixed plate, locking drive actuating cylinder drives locking rack and layer board adjusting rack meshing to reach the mesh of locking rack.

When adjusting, utilize locking rack and layer board adjusting rack earlier to lock, then rotate layer board adjusting hand wheel and rotatory in order to control bevel gear group's meshing for control layer board adjusting gear and layer board adjusting rack are linear motion, and bevel gear group drives the layer board through lead screw and nut simultaneously and adjusts the piece fore-and-aft motion of positioning, thereby makes whole pressure deviation correcting device move under the displacement slide rail effect wholely, further adjusts the interval between two layer boards, in order to reach the purpose that adapts to different otter board sizes.

One of silk screen layer board serves and is connected with a silk screen layer board deviation correcting device for to the otter board deviation rectifying, silk screen layer board deviation correcting device is including rectifying and adjusting drive arrangement, the accommodate the lead screw 1053 that rectifies, the bent plate 1054 that rectifies, the bearing frame 1055 that rectifies, the adjust drive arrangement that rectifies sets up in the accommodate the lead screw's that rectifies outer end, with the silk screen layer board is connected the bearing frame that rectifies is in the accommodate the lead screw up back and forth movement of rectifying, the layer board adjust the alignment piece with the accommodate the lead screw that rectifies is rotatable coupling (can also play the effect of support lead screw), the bent plate that rectifies with the bottom of the adjust alignment piece of rectifying is connected. The deviation rectifying and adjusting driving device drives the deviation rectifying and adjusting screw rod to rotate, so that the deviation rectifying bearing seat drives the silk screen supporting plate to perform fine adjustment movement, and deviation rectifying of the silk screen supporting plate is completed.

The two correction methods are provided, one is manual correction, the correction adjusting driving device adopts a correction adjusting hand wheel 1052, fine adjustment spacing of a correction bent plate is adjusted through adjustment of the correction adjusting hand wheel, so that manual correction of the screen plate is achieved, the correction adjusting driving device adopts a motor, a camera of a vision device is used for photographing and detecting glue point positions of the screen plate, the glue point positions are fed back to the motor, and automatic accurate correction of the screen plate is achieved.

The lifting and feeding device comprises four linkage devices 1015, a lifting and feeding guide seat 1014 and four-column lifting devices 1056, the lifting and feeding guide seat 1014 is arranged on the printing machine frame, one end of each four-column lifting device is connected with the four linkage devices, the other end of each four-column lifting device penetrates through the lifting and feeding guide seat to be connected with four corners of the printing frame, and the four linkage devices are simultaneously connected with the four-column lifting devices and transmit the four lifting and feeding devices so as to simultaneously drive the printing frame to move up and down through the four-column lifting devices.

The four linkage devices adopt four linkage servo motors 1057 as output power, the four linkage servo motors are connected with the first-stage commutator through a first-stage coupler, then connected with the first-stage commutator through a transmission shaft and a second-stage coupler, and connected with the four-column lifting device through a shaft and a third-stage coupler so as to drive the four-column lifting device to lift and drive, and four-corner transmission is completed. The four linkage devices aim to ensure that the screen plates descend to the same height when descending, so that the planes of the screen plates are on the same horizontal plane, and also aim to ensure that the screen plates are lifted simultaneously when ascending, thereby avoiding glue overflow caused by asynchronous lifting of the screen plates and ensuring the printing quality.

The four-column lifting device provides two lifting structures, one is driven by a gear and rack mode, and the other is driven by a lifting screw rod device (four linkage devices drive nuts to rotate so as to enable the screw rod to move up and down). The four-column lifting device can be connected with the printing frame through a guide shaft 1058, the guide shaft is connected with a lifting feed guide seat in a sliding manner, and the printing frictioning deviation correcting device is controlled to stably lift.

The working steps of the double-knife-set printing machine are as follows:

(1) the material loading adsorbs tooling board transfer chain on the equipment and begins to operate, material loading adsorbs tooling board bears the backplate and adsorbs the transportation on tooling board transfer chain, tooling board targets in place, tooling board jacking device adsorbs the material loading and follows tooling board jack-up and aerify, vision device shoots, whether Mark point on the detection backplate and the Mark point on the silk screen otter board align, if not align, the motor is fed back to the camera, begin to rectify to the otter board. Meanwhile, the four linkage devices work to drive the four-column lifting device, the mesh plate is controlled to descend to be attached to the back plate, the stress height of the back plate cannot be given, and the glue scraping preparation is completed in the early stage.

(2) When printing is started, two front silk-screen scraping plates of the double-cutter set ascend, two rear silk-screen scraping plates descend to be in contact with a silk screen, and conductive adhesive is squeezed and scraped through the rear silk-screen scraping plates and is impressed on a back plate through meshes of the silk screen to form needed adhesive dots; when the rear screen printing scraper pushes the conductive adhesive to complete the scraping of the adhesive in place, the rear screen printing scraper moves upwards, the front screen printing scraper moves downwards and returns to the original position, the four linkage devices are started to drive the four-column lifting devices, and the screen plate is controlled to ascend.

And the feeding adsorption follow-up tooling plate conveying line runs, the feeding adsorption follow-up tooling plate bears the printed back plate to transfer, and the next back plate is moved to a preset position to wait for printing. And (4) taking a picture by the vision device, detecting whether Mark points on the back plate and Mark points on the screen plate of the screen are aligned, and if not, feeding back the camera to the motor to start to rectify the deviation of the screen plate.

(3) When printing backwards, two rear silk-screen scrapers of the double-cutter set ascend, two front silk-screen scrapers descend to be in contact with the silk screen, and the front silk-screen scrapers squeeze and scrape the conductive adhesive to be impressed on the back plate through meshes of the silk screen to form required adhesive dots; when the rear screen printing scraper pushes the conductive adhesive to complete the scraping of the adhesive in place, the rear screen printing scraper moves upwards, the front screen printing scraper moves downwards and returns to the original position, the four linkage devices are started to drive the four-column lifting devices, and the screen plate is controlled to ascend. And the feeding adsorption follow-up tooling plate conveying line runs, the feeding adsorption follow-up tooling plate bears the printed back plate to transfer, and the next back plate is moved to a preset position to wait for printing. And (4) taking a picture by the vision device, detecting whether Mark points on the back plate and Mark points on the screen plate of the screen are aligned, and if not, feeding back the camera to the motor to start to rectify the deviation of the screen plate.

(4) And (4) repeating the steps (2) to (3) to realize the work of quickly and continuously finishing the printing of the conductive adhesive.

When marcing, through back silk screen printing scraper blade realization printing purpose, when returning, realize the printing purpose through preceding silk screen printing scraper blade, one goes the homoenergetic promptly and realizes the printing purpose, for the process that the transmission is unified to go to print once only once, adopts two knife tackle, guarantees printing quality, satisfies production line beat, makes the frictioning more even, improves frictioning efficiency. The printing efficiency is greatly improved, and when printing is performed, the pressure change of the front and rear screen printing scrapers can be adjusted in two modes (1, pressure regulation by a precise pressure regulating valve and 2, control by a proportional control valve) so as to adjust the pressure between the scrapers and the silk screen in real time, ensure the stability of the pressure, and effectively improve the uniformity and printing accuracy of frictioning during printing and the printing quality. When the backboard is in place, the visual device shoots, Mark points of the backboard and the screen plate are detected and fed back to the motor, and the screen plate is accurately corrected.

The double-cutter-group printing machine has the beneficial effects that:

(1) the printing stability, speed and efficiency are improved, and the glue scraping quality is improved;

(2) the adaptability of the equipment is improved, and the screen plate can be suitable for various screen plate sizes;

(3) the accuracy of improve equipment, more accurate printing.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A double-blade printer, comprising: the printing machine frame, be used for fixing the product, rectify and printing the printing frictioning deviation correcting device, the lift feeding device of printing frictioning, be used for carrying on the product and carry the jacking device with the material loading of jacking, be provided with the lift feeding device who drives its elevating movement on the printing frictioning deviation correcting device, the below of printing frictioning deviation correcting device is provided with the material loading and carries the jacking device.

2. The double-blade set printing machine according to claim 1, wherein the feeding and conveying jacking device comprises a feeding adsorption pallet, a feeding adsorption pallet conveying line for conveying the feeding adsorption pallet, and a pallet jacking device,

the loading adsorption follow-up tooling plate comprises a loading follow-up tooling plate frame, a follow-up tooling plate panel, a concave taper hole connecting block and a positioning concave taper hole, wherein the follow-up tooling plate panel is arranged on the loading follow-up tooling plate frame, the positioning concave taper hole is arranged on the bottom surface of the concave taper hole connecting block, the upper part of the concave taper hole connecting block is connected with the loading follow-up tooling plate frame in a lifting way,

3. The double-knife set printing machine according to claim 1, wherein the printing and scraping correction device comprises a printing frame, a double-knife scraping device, a pressing correction device and a displacement feeding device, the displacement feeding device is arranged in the printing frame, one or more sets of the double-knife scraping device are connected with the displacement feeding device to move back and forth in the printing frame, two sets of the pressing correction devices are arranged in the printing frame in a relative sliding manner, the pressing correction devices are respectively arranged on two sides of the double-knife scraping device to adjust the distance between the pressing correction devices according to the size of an actual screen plate, and the two ends of the printing frame are fixedly/liftable and provided with scraper support plates for supporting the screen plates.

4. The twin-blade printing machine according to claim 3, wherein the twin-blade squeegee device comprises a squeegee support frame, a squeegee elevation cylinder, a squeegee elevation guide mechanism, and a squeegee connection mechanism, the squeegee comprises a front screen printing squeegee and a rear screen printing squeegee, the squeegee support frame is movably connected with the squeegee through the squeegee elevation guide mechanism and the squeegee connection mechanism, the squeegee elevation cylinder is disposed on the squeegee support frame and drives the squeegee to move up and down through the squeegee connection mechanism, and two ends of the squeegee support frame are fixedly connected with the displacement feed device.

5. The twin-blade set printing press as defined in claim 4, wherein the squeegee elevation guide mechanism includes a squeegee elevation guide base and a squeegee elevation guide shaft, the squeegee elevation guide base is fixedly disposed on the squeegee support frame, the lower end of the squeegee elevation guide shaft is connected to the squeegee connection mechanism, and the upper end of the squeegee elevation guide shaft is slidably disposed in the squeegee elevation guide base.

6. The twin blade set printing press according to claim 4, wherein the squeegee connecting mechanism includes a squeegee connecting block, a squeegee connecting plate, the squeegee connecting block being connected to the squeegee elevation guide shaft and the squeegee elevation cylinder, the squeegee connecting plate being connected to the squeegee connecting block, and the squeegee being connected to the squeegee connecting plate.

7. The double-knife set printing machine according to claim 4, wherein the two ends of the frictioning support frame are provided with the belt clamping plate devices which are fixedly connected with the displacement feeding device, each belt clamping plate device comprises a clamping plate connecting plate, an upper clamping plate and a lower clamping plate, the clamping plate connecting plate is connected with the frictioning support frame, the upper clamping plate is arranged on the clamping plate connecting plate, the lower clamping plate is detachably connected with the upper clamping plate, the upper clamping plate and the lower clamping plate are respectively positioned on the upper side and the lower side of the displacement feeding belt so as to clamp and fix the displacement feeding belt, a displacement slide block is arranged on the clamping plate connecting plate, and a displacement slide rail which is connected with the displacement slide block in a sliding manner is arranged on the inner portion of the printing frame, so that the displacement feeding device drives the frictioning support frame to reciprocate along the displacement slide rail.

8. The double-knife set printing machine according to claim 3, wherein the compression deviation correcting device comprises a compression deviation correcting support frame, a compression driving cylinder, a compression pressing plate, a compression deviation correcting connecting block, a silk screen supporting plate and a supporting plate adjusting and driving device, the compression driving cylinder is arranged on the compression deviation correcting support frame and connected with the compression pressing plate so as to drive the compression pressing plate to move up and down to compress the screen plate, the compression deviation correcting connecting block is slidably arranged on the compression deviation correcting support frame, the silk screen supporting plate is connected with the compression deviation correcting connecting block, two ends of the compression deviation correcting support frame are slidably connected with the displacement slide rail through sliders, and the supporting plate adjusting and driving device drives the compression deviation correcting support frame to reciprocate along the displacement slide rail so as to adjust the distance between the silk screen supporting plates which are arranged oppositely.

9. The double-knife printer according to claim 8, wherein the pallet adjusting and driving device comprises a pallet adjusting rack, a pallet adjusting handwheel, a bevel gear set, a pallet adjusting and positioning block, a pallet adjusting and fixing plate, a locking driving cylinder and a locking rack, the pallet adjusting and positioning block is arranged at two ends of the compression deviation correction support frame, the pallet adjusting and positioning block and the pallet adjusting and fixing plate are slidably connected with the displacement slide rail through a slider, the pallet adjusting handwheel is arranged on the pallet adjusting and fixing plate and drives the bevel gear set to rotate, the bevel gear set is connected with a screw rod rotatably arranged on the pallet adjusting and fixing plate to drive the screw rod to rotate, a nut on the screw rod is connected with the pallet adjusting and positioning block to enable the screw rod to drive the pallet adjusting and positioning block to move back and forth through the nut, and the pallet adjusting rack is fixedly arranged on the printing frame, locking drive actuating cylinder set up in on the fixed plate is adjusted to the layer board, locking drive actuating cylinder drives locking rack and layer board regulation rack meshing to reach the mesh of locking rack.

10. A twin-blade printing press according to claim 8 in which the screen pallet is provided with screen pallet deviation correction means.