CN112918125A

CN112918125A - Double-sided jet printing machine for lithium polymer battery and jet printing method

Info

Publication number: CN112918125A
Application number: CN202110168071.2A
Authority: CN
Inventors: 陈勇
Original assignee: Guangdong Yinhan Technology Co ltd
Current assignee: Guangdong Yinhan Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-06-08

Abstract

The invention discloses a double-sided jet printing machine and a jet printing method for a lithium polymer battery, and the double-sided jet printing machine comprises a machine table, wherein a battery front-side jet printing module and a battery back-side jet printing module are arranged on the machine table; compared with the original semi-automatic production mode, the equipment greatly improves the production efficiency, reduces the complexity of manual operation, improves the production efficiency and reduces the production cost; compare very big promotion production efficiency with other technologies, through the use of equipment from taking visual positioning system, greatly promoted the product yields, reduce the loaded down with trivial details and the manpower time cost of artifical screening defective products in later stage.

Description

Double-sided jet printing machine for lithium polymer battery and jet printing method

Technical Field

The invention relates to battery spray printing equipment, in particular to a double-sided spray printing machine for a lithium polymer battery.

Background

With the development of society and the increasing progress of living standard of people, the 3C electronic products are more and more commonly used, and the demand of lithium batteries used in cooperation with the 3C electronic products is more and more large. In the lithium battery industry, the content of large-size characters, pictures, marks, two-dimensional codes and the like on the surface of a battery is mainly finished by silk-screen printing or pad printing and code spraying, the production efficiency of pad printing or pad printing equipment is low, a screen printing plate, a steel plate or a rubber head needs to be frequently replaced, and the capacity is difficult to meet the requirements of customers; and a large amount of printing ink is needed for screen printing or pad printing, and the printing ink needs to be put into an oven for baking and curing, so that the environment is polluted by discharged waste gas, and the concept of environmental protection is violated. In view of this, in order to save cost and improve efficiency, it is necessary to develop an automatic lithium polymer battery spray printing device.

In the prior art, when the front and back surfaces of a spray printing lithium battery are subjected to spray printing operation, the front and back surfaces of the spray printing lithium battery are subjected to spray printing production through manual turnover on the same spray printing device, or two spray printing devices are required, one spray printing front surface and the other spray printing back surface, an operator is required to be arranged between the two spray printing devices, the operator mainly turns the front surface of the lithium battery subjected to spray printing on the previous spray printing machine and places the turned lithium battery on the other spray printing machine to perform spray printing on the back surface, and the production efficiency of the two production modes is very low.

Disclosure of Invention

The present invention aims to provide a double-sided inkjet printer for lithium polymer batteries, which overcomes the above-mentioned disadvantages of the prior art.

In order to solve the above defects in the prior art, the technical scheme provided by the invention is as follows: a double-sided jet printing machine for a lithium polymer battery comprises a machine table, wherein a battery front jet printing module and a battery back jet printing module are arranged on the machine table, a front air suction assembly line module for adsorbing and conveying the battery is arranged below the battery front jet printing module, a back air suction assembly line module for adsorbing and conveying the battery is arranged below the battery back jet printing module, and a battery turn-over module is arranged between the front air suction assembly line module and the back air suction assembly line module on the machine table;

the positive stamp assembly that spouts of battery is openly spout the seal and is accomplished the back, by preceding assembly line module that induced drafts is carried to battery turn-over module and is carried the battery turn-over and adsorb and carry to the back assembly line module that induced drafts on, the battery reverse side is spouted the seal module and is spouted the seal to the battery reverse side, and the battery reverse side is spouted and is printed the completion back and sent out, the defective products by defective products transport module transport to defective products assembly line by UV curing lamp solidification battery surface ink, qualified battery from the qualified products assembly line, defective products.

The machine table is provided with a butt joint assembly line and a synchronous transplanting module, a secondary positioning module is arranged between the butt joint assembly line and the front air suction assembly line module, the synchronous transplanting module is provided with two suction stations, a first suction station sucks a product from the butt joint assembly line, a second suction station also sucks the product on the secondary positioning module, the two suction stations move simultaneously, the product sucked by the first suction station is placed on the secondary positioning module, and the product sucked by the second suction station is placed on the front air suction assembly line module.

As an improvement of the double-sided spray printing machine for the lithium polymer battery, a plasma cleaning module is arranged on the machine table, and the surface of the battery needs to be cleaned before the battery enters the battery front-side spray printing module and the battery back-side spray printing module;

the plasma cleaning module comprises a section bar support, wherein a hand-adjusting lifting sliding table is arranged at the upper end of the section bar support and used for adjusting the upper position and the lower position of the ion spray head, the hand-adjusting lifting sliding table comprises a hand-adjusting screw rod, the hand-adjusting screw rod is fixed on two screw rod seats, a sliding block is arranged on the hand-adjusting screw rod in a penetrating mode, the front face of the sliding block is connected with the ion spray head, and a locking handle is arranged on one side of the sliding block.

As an improvement of the double-sided ink jet printer for the lithium polymer battery, the battery turnover module comprises a bracket, the bracket is provided with a mounting plate, one side surface of the mounting plate is provided with two cam grooves at intervals, two cantilever assemblies which can limit the two cam grooves to slide are arranged in the two cam grooves, the middle part of the cam groove is provided with an installation platform, the other side surface of the installation platform is provided with a first gear assembly, a second gear assembly and a double-sided rack which can be simultaneously meshed with the first gear assembly and the second gear assembly, one end of the first gear assembly and one end of the second gear assembly are arranged at the position deviated from the center of the mounting platform in a penetrating way and connected with the cantilever assembly, the first gear assembly and the second gear assembly respectively drive one cantilever assembly to slide along the cam groove, and the directions of the first gear assembly and the second gear assembly are opposite when the first gear assembly and the second gear assembly rotate;

one end of the bottom surface of the double-sided rack is provided with a first strip-shaped tooth meshed with the first gear assembly, and one end of the upper end surface of the double-sided rack is provided with a second strip-shaped tooth meshed with the second gear assembly;

the mounting panel with two-sided rack is equipped with two spacing sensors with one side interval, be equipped with the touch panel on the two-sided rack, the touch panel is located two between the spacing sensor, work as the touch panel touches arbitrary one during spacing sensor two-sided rack all removes to another direction.

As an improvement of the double-sided ink jet printer for the lithium polymer battery, the cantilever assembly comprises a cantilever part, a waist-shaped through hole is formed in the cantilever part, a cantilever bearing is arranged in the waist-shaped through hole, a cantilever rod penetrates through the cantilever bearing, a cam groove sliding bearing is arranged at one end of the cantilever rod, and the other end of the cantilever rod is connected with a sucker cantilever;

the sucker cantilever comprises a slider fixing plate, a slider is arranged on one side of the slider fixing plate, a positioning rod is arranged on the other side of the slider fixing plate, a plurality of positioning bearings are arranged on the positioning rod in a penetrating manner, the positioning bearings are arranged in the mounting plate in a penetrating manner, a sliding rail is connected onto the slider, an L-shaped mounting arm is connected onto the sliding rail, and a plurality of suckers are arranged at intervals at the end part of the L-shaped mounting arm;

the first gear assembly and the second gear assembly respectively comprise gears, gear shafts penetrate through the gears, a plurality of gear bearings are sleeved on the gear shafts, and one ends of the gear shafts penetrate through the position, deviated from the center, of the mounting table and are connected with the cantilever assemblies.

The battery front side spray printing module and the battery back side spray printing module respectively comprise a gantry support, a transverse moving driving mechanism, a first linear sliding rail and an installation plate are arranged on a transverse beam of the gantry support, the installation plate is connected to the first linear sliding rail through a first linear sliding block, and at least one spray printing machine head capable of supplying ink instantly is arranged on the installation plate;

the jet printing machine head comprises a pneumatic lifting driving mechanism and a jet printing box body controlled to lift by the pneumatic lifting driving mechanism, and the pneumatic lifting driving mechanism is connected with the jet printing box body through a second linear sliding rail and a second linear sliding block;

the jet printing box is internally provided with a circulating pump, an ink box, a driving plate and a nozzle, a liquid level floating ball is arranged in the ink box, the circulating pump pumps ink into the ink box, the liquid level floating ball in the ink box can control the on-off of the circulating pump, the ink box is communicated with the nozzle through a UV ink pipe, the bottom of a cavity of the jet printing box is also provided with a printing sensor and a limiting sensor, and the printing sensor triggers the nozzle to jet print after sensing incoming materials;

the battery front side jet printing module is provided with a jet printing machine head for carrying out single-color jet printing on the front side of the battery, and the battery back side jet printing module is provided with two jet printing machine heads for carrying out double-color jet printing on the back side of the battery.

As an improvement of the double-sided jet printing machine for the lithium polymer battery, the bottom of a cavity of the jet printing box body is also provided with a moisturizing ink stack, and when the spray head is temporarily used, the moisturizing ink stack is manually buckled on the spray head to moisturize the spray head; a UV curing lamp is arranged on one side of the bottom of the spray printing box body, the UV curing lamp is used for curing the surface of a product after the spray head is sprayed and printed, and a buzzer and a cleaning button are arranged on the upper end surface of the spray printing box body;

the pneumatic lifting driving mechanism comprises a cylinder mounting plate, a lifting driving cylinder and a differential head are arranged at the end part of the cylinder mounting plate, and the piston rod end of the lifting driving cylinder is connected to one side of the jet printing box body; the transverse moving driving mechanism comprises a servo motor and a transmission screw rod, and the transmission screw rod is connected with the mounting plate through a screw rod nut.

As an improvement of the double-sided ink jet printer for the lithium polymer battery, the butt joint assembly line comprises a butt joint support, one end of the butt joint support is provided with a butt joint rod, the other end of the butt joint support is provided with a belt roller, the butt joint rod and the belt roller are connected through a belt line, the belt line is driven in a mode that a motor is provided with a belt-pass synchronizing wheel and a synchronous belt, a driven synchronizing wheel is connected with the belt roller, a driving synchronizing wheel is connected with an output shaft of the motor, and the driven synchronizing wheel and the driving synchronizing wheel are connected through the synchronous belt; a material pushing cylinder mounting plate is arranged on one side of the upper end of the butt joint support, a material pushing cylinder is arranged on the material pushing cylinder mounting plate, and a material pushing block is arranged at the piston rod end of the material pushing cylinder; the discharge end of the butt joint support is also provided with a material blocking strip, the middle part of the butt joint support is provided with an inductor support, and the inductor support is provided with a first material feeding inductor;

the defective product carrying module comprises a second profile support, a synchronous belt driving mechanism and a Z-axis cylinder driven by the synchronous belt driving mechanism are arranged on a cross beam of the second profile support, and a material taking sucker is arranged at the end of a piston rod of the Z-axis cylinder; a third feeding inductor is arranged at the feeding end of the qualified product production line; the defective product carrying module takes defective products from the qualified product production line and puts the defective products into the defective product production line for output; the synchronous belt driving mechanism comprises a stepping motor, and the stepping motor drives a synchronous belt through a synchronous wheel;

the front air suction assembly line module and the rear air suction assembly line module respectively comprise an air suction section bar support, belt rollers are arranged at two ends of the air suction section bar support, the two belt rollers are connected through an air suction belt, and one of the belt rollers is driven by a servo motor; the upper end of the air suction profile support is provided with a belt supporting plate, the air suction belt passes through the upper surface of the belt supporting plate, two sides of the air suction profile support are provided with tensioning mechanisms, and the two tensioning mechanisms are connected with a tensioning roller; a vacuum cavity is arranged in the air suction profile bracket and is connected with an air suction hole through an air suction channel;

straining device includes the tensioning regulating plate, the tensioning regulating plate outside is equipped with screw mounting panel and waist shape regulation hole, be equipped with adjusting screw on the screw mounting panel, the tip of tensioning running roller is worn to establish waist shape regulation hole in, and connect adjusting screw.

As an improvement of the double-sided jet printing machine for the lithium polymer battery, the synchronous transplanting module comprises a transplanting bracket, a transplanting mounting plate is arranged on the transplanting bracket, a cam chute and a horizontal guide rail are arranged on the transplanting mounting plate, a transplanting motor is arranged on one side of the transplanting mounting plate, a transplanting cantilever is arranged on the other side of the transplanting mounting plate, an output shaft of the transplanting motor penetrates through the transplanting mounting plate and is connected with the transplanting cantilever, a cantilever waist-shaped hole is arranged on the transplanting cantilever, a transplanting cantilever bearing is connected in the cantilever waist-shaped hole, a transplanting bearing rod is arranged on the transplanting cantilever bearing in a penetrating way, a transplanting chute bearing is arranged at one end of the transplanting bearing rod, a vertical guide rail is connected at the other end of the transplanting bearing rod, a transplanting sucker is fixedly connected at the lower end of the vertical guide rail, and the, the lower end of the transplanting sliding block is connected to the horizontal guide rail in a sliding mode.

As an improvement of the double-sided ink jet printer for the lithium polymer battery, the secondary positioning module comprises a positioning profile support, a jig bottom plate is arranged on the positioning profile support, a slide way is arranged at one corner of the jig bottom plate, a pushing block is arranged in the slide way, a positioning slide block is arranged at the bottom of the jig bottom plate, a slide rail is connected onto the positioning slide block, one end of the slide rail is connected with the pushing block, the other end of the slide rail is connected with a Y-shaped connecting rod, one end of the Y-shaped connecting rod is connected with a positioning cylinder capable of adjusting the stroke, a limiting block is arranged on the upper end face of the jig bottom plate, and the limiting block and the pushing block jointly position the battery.

Compared with the prior art, the invention has the advantages that: the invention adopts the battery turnover module to realize turnover of the battery. The battery turnover module comprises a battery turnover module, a first gear assembly, a second gear assembly, a first sucker cantilever, a second sucker cantilever, a cam groove, a second sucker cantilever, a first sucker cantilever and a second sucker cantilever, wherein the first sucker cantilever and the second sucker cantilever are arranged on the battery turnover module in a parallel connection mode; the invention has the advantages of compact structure, accurate and stable turnover and reduced manufacturing cost of equipment.

The invention also aims to provide a double-sided jet printing method for the lithium polymer battery, which comprises the following steps:

(1) positioning the battery; the battery flows into the butt joint assembly line, the battery is positioned by the material pushing cylinder, the battery positioned by the side is conveyed to the secondary positioning module by the synchronous transplanting module to be positioned secondarily, and the battery positioned secondarily is conveyed to the front air suction assembly line module by the synchronous transplanting module to be conveyed;

(2) spraying and printing the front side of the battery; the front air suction assembly line module adsorbs the battery to be positioned and conveyed to a specified position, a jet printing machine head of the battery front jet printing module performs jet printing on the front side of the battery, a curing lamp on the jet printing machine head performs precuring on ink in the jet printing process, and the jet printing and the precuring are performed synchronously; before the front side of the battery is subjected to jet printing, a plasma cleaning module is needed to clean the front side of the battery; if the battery openly spouts seal worker station has and spouts seal defective products, then the battery turn-over module does not move, and the defective products directly flows to defective products unloading department, and defective products transport module places the defective products on the defective products assembly line, and the defective products flow out.

(3) Carrying out jet printing visual detection on the front side of the battery; after the front side of the battery is subjected to jet printing, the front CCD visually detects the front side jet printing condition, and NG memory is carried out on defective products;

(4) turning over the battery; after the visual detection is finished, the battery is conveyed to the battery turnover module, and the battery is turned over by 180 degrees by the battery turnover module, so that the back side of the battery faces upwards; and the battery is conveyed to the rear air suction assembly line module;

(5) spraying and printing the back surface of the battery; the rear air suction assembly line module adsorbs the battery to be positioned and conveyed to a specified position, a jet printing machine head of the battery reverse side jet printing module performs jet printing on the reverse side of the battery, a curing lamp on the jet printing machine head performs precuring on ink in the jet printing process, and the jet printing and the precuring are performed synchronously; before the back surface of the battery is subjected to jet printing, a plasma cleaning module is needed to clean the back surface of the battery;

(6) carrying out spray printing visual detection on the back surface of the battery; after the back side of the battery is subjected to jet printing, the back side jet printing condition is visually detected by a CCD, and NG memory is carried out on defective products;

(7) curing by using a UV lamp; after the jet printing visual inspection of the back surface of the battery is finished, the battery is conveyed to a UV lamp curing position for ink curing;

(8) shunting qualified products and defective products; the qualified products directly flow into the qualified product assembly line and are sent out, and the defective products are conveyed to the defective product assembly line by the defective product conveying module and are sent out.

The device is mainly used in the lithium battery industry, the surface of the battery is sprayed and printed, and compared with the original semi-automatic production mode, the device greatly improves the production efficiency, reduces the complexity of manual operation, improves the production efficiency and reduces the production cost; compare very big promotion production efficiency with other technologies, through the use of equipment from taking visual positioning system, greatly promoted the product yields, reduce the loaded down with trivial details and manpower, the time cost of artifical screening defective products in later stage. The invention adopts the coarse positioning mechanism and the secondary positioning mechanism to accurately position the product, the front and back air suction assembly lines can keep the position of the product unchanged, and the positioning precision is high.

Drawings

The invention and its advantageous technical effects are described in further detail below with reference to the accompanying drawings and detailed description, in which:

fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the flip module according to the present invention.

Fig. 3 is a schematic perspective view of the turnover module of the present invention with the mounting plate removed.

Fig. 4 is a front view of the flip module of the present invention.

Fig. 5 is a rear view of the flip module of the present invention.

Fig. 6 is a schematic perspective view of a battery front side inkjet printing module according to the present invention.

Fig. 7 is a schematic view of the internal structure of the battery front side inkjet printing module according to the present invention.

FIG. 8 is a schematic view of a reverse side inkjet printing module of the battery of the present invention.

FIG. 9 is a schematic view of a plasma cleaning module according to the present invention.

FIG. 10 is a schematic diagram of the docking pipeline configuration of the present invention.

FIG. 11 is a schematic view of a defective product handling module according to the present invention.

FIG. 12 is a schematic view of a front suction assembly line module according to the present invention.

FIG. 13 is a schematic view of a synchronous transplanting module according to the present invention.

FIG. 14 is a schematic structural diagram of a secondary positioning module according to the present invention.

Reference symbol names:

100 to a machine platform;

200-spraying and printing a module on the front side of the battery; 201 to a gantry support 202 to a cross beam 203 to a transverse moving driving mechanism 204 to a first linear slide rail 205 to a mounting plate 206 to a first linear slide block 207 to a jet printing machine head 208 to a pneumatic lifting driving mechanism 209 to a jet printing box body 2010 to a second linear slide rail 2011 to a second linear slide block 2012 to a feeding inductor 2013 to a cleaning button 2014 to a buzzer 2015 to a negative pressure gauge 2016 to a waste ink box 2031, a servo motor 2032, a transmission screw 2091 to a circulating pump 2092 to an ink box 2093 to a driving plate 2094 to a nozzle 2095 to a printing sensor 2096 to a limit sensor 2081 to a cylinder mounting plate 2082 to a lifting driving cylinder 2083 to a differential head.

300-spraying and printing a module on the back surface of the battery;

400-front air suction assembly line module; 401, an air suction profile bracket 402, a belt roller 403, an air suction belt 404, a servo motor 405, a belt supporting plate 406, a tensioning mechanism 407, a tensioning roller 408, an air suction hole 4061, a tensioning adjusting plate 4062, a screw mounting plate 4063, a waist-shaped adjusting hole 4064 and an adjusting screw;

500-rear air suction assembly line module;

600-battery turn-over module; 1-bracket 2-mounting plate 3-cam groove 4-cantilever assembly 5-mounting table 6-first gear assembly 7-second gear assembly 8-double-sided rack 9-first strip tooth 10-second strip tooth 11-limit sensor 12-touch plate 13-suction cup cantilever 14-gear 15-gear shaft 16-gear bearing 17-motor 41-cantilever assembly 42-kidney-shaped through hole 43-cantilever bearing 44-cantilever rod 45-cam groove sliding bearing 131-slide block fixing plate 132-slide block 133-positioning rod 134-positioning bearing 135-slide rail 136-L-shaped mounting arm 137-suction cup;

700-UV curing lamps;

800-qualified product production line; 801 to a third feeding inductor;

900-defective product carrying module; 901 to a second profile bracket 902 to a synchronous belt driving mechanism 903 to a Z-axis cylinder 904 to a material taking sucker;

101-defective product production line;

102-butt joint assembly line; 1021, a butt joint support 1022, a butt joint rod 1023, a belt rod 1024, a belt line 1025, a material pushing cylinder 1026, a material pushing block 1027, a material blocking strip 1028 and a first incoming material sensor;

103-synchronous transplanting module; 1031 to a transplanting bracket 1032 to a transplanting mounting plate 1033 to a cam chute 1034 to a horizontal guide rail 1035 to a transplanting motor 1036 to a transplanting cantilever 1037 to a cantilever waist-shaped hole 1038 to a transplanting cantilever bearing 1039 to a transplanting chute bearing 1030 to a vertical guide rail 10301 to a transplanting suction cup 10302 to a transplanting slide block;

104-a secondary positioning module; 1041, a positioning section bar bracket 1042, a jig bottom plate 1043, a slideway 1044, a material pushing block 1045, a slide rail 1046, a Y-shaped connecting rod 1047, a positioning cylinder 1048 and a limiting block;

105-suction station;

106-plasma cleaning module 1061-profile bracket 1062-manually adjusted lifting sliding table 1063-ion spray head 1064-manually adjusted screw 1065-screw seat 1066-slider 1067-locking handle;

Detailed Description

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

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 14, a double-sided inkjet printing machine for lithium polymer batteries comprises a machine table 100, wherein a battery front-side inkjet printing module 200 and a battery back-side inkjet printing module 300 are arranged on the machine table 100, a front air suction assembly line module 400 for adsorbing and conveying batteries is arranged below the battery front-side inkjet printing module 200, a back air suction assembly line module 500 for adsorbing and conveying batteries is arranged below the battery back-side inkjet printing module 300, and a battery turn-over module 600 is arranged on the machine table 100 between the front air suction assembly line module 400 and the back air suction assembly line module 500; the machine 100 is also provided with a front-side jet printing visual detection module and a back-side jet printing visual detection module; the battery front side jet printing module 200 jet prints the positive side jet printing visual detection module to detect the jet printing condition of the battery front side after the jet printing is finished. The battery reverse side jet printing module 300 detects the jet printing condition of the reverse side of the battery by the reverse side jet printing visual detection module after jet printing is finished. When opening visual detection back, if the monochromatic seal worker station of spouting of anterior segment has spouted seal NG, then battery turn-over module 600 does not move, and the direct flow of product is to NG unloading department, and NG transport module is placed the NG product on the NG assembly line, and the NG product flows.

After the battery front side spray printing module 200 finishes spray printing on the battery front side, the battery is conveyed to the battery turnover module 600 by the front air suction assembly line module 400 to be turned over and is adsorbed and conveyed to the rear air suction assembly line module 500, the battery back side spray printing module 300 performs spray printing on the battery back side, the battery surface ink is solidified by the UV curing lamp 700 after the battery back side spray printing is finished, the qualified battery is sent out from the qualified product assembly line 800, and the defective product is sent out from the defective product conveying module 900 to the defective product assembly line 101.

Preferably, still be equipped with butt joint assembly line 102 and synchronous transplanting module 103 on the board 100, it is equipped with secondary positioning module 104 to wind between assembly line 102 and the preceding assembly line module 400 that induced drafts, synchronous transplanting module 103 has two and absorbs station 105, when the first station of absorbing absorbs the product from butt joint assembly line 102, the second absorbs the product that the station also absorbed on secondary positioning module 104, two absorb station 105 and remove simultaneously, the first product of absorbing the station and absorbing is placed on secondary positioning module 104, the second product of absorbing the station and absorbing is placed on the preceding assembly line module 400 that induced drafts.

As shown in fig. 9, the machine 100 is further provided with a plasma cleaning module 106, and the surface of the battery needs to be cleaned before the battery enters the battery front-side spray printing module 200 and the battery back-side spray printing module 300;

as shown in fig. 9; the plasma cleaning module 106 comprises a section bar support 1061, a manual adjustment lifting sliding table 1062 is arranged at the upper end of the section bar support 1061, the manual adjustment lifting sliding table 1062 adjusts the up-down position of the ion spray nozzle 1063, the manual adjustment lifting sliding table 1062 comprises a manual adjustment screw 1064, the manual adjustment screw 1064 is fixed on two screw seats 1065, a sliding block 1066 is arranged on the manual adjustment screw 1064 in a penetrating manner, the ion spray nozzle 1063 is connected to the front surface of the sliding block 1066, and a locking handle 1067 is arranged on one side of the sliding block 1066.

As shown in fig. 2-5, the battery turnover module 600 includes a bracket 1, a mounting plate 2 is disposed on the bracket 1, two cam grooves 3 are disposed at an interval on one side surface of the mounting plate 2, cantilever assemblies 4 capable of limiting sliding in the cam grooves 3 are disposed in the two cam grooves 3, a mounting table 5 is disposed in the middle of the cam grooves 3, a first gear assembly 6 is disposed on the other side surface of the mounting plate 2, a second gear assembly 7 and a double-sided rack 8 capable of being engaged with the first gear assembly 6 and the second gear assembly 7 simultaneously, one ends of the first gear assembly 6 and the second gear assembly 7 penetrate through the positions of the mounting table 5 deviating from the center and are connected with the cantilever assemblies 4, the first gear assembly 6 and the second gear assembly 7 respectively drive one cantilever assembly 4 to slide along the cam grooves 3, and directions of the first gear assembly 6 and the second gear assembly. The edge of the mounting table 5 is connected with the inner side wall of the cam groove 3 through a connecting block.

Preferably, one end of the bottom surface of the double-sided rack 8 is provided with a first bar-shaped tooth 9 meshed with the first gear assembly 3, and one end of the upper end surface of the double-sided rack 8 is provided with a second bar-shaped tooth 10 meshed with the second gear assembly 7.

Preferably, the mounting plate 2 and the double-sided rack 8 are provided with two limit sensors 11 at the same side at intervals, the double-sided rack 8 is provided with a touch pad 12, the touch pad 12 is located between the two limit sensors 11, and when the touch pad 12 touches any one of the limit sensors 11, the double-sided rack 8 moves towards the other direction.

Preferably, the suspension arm assembly 4 includes a suspension arm 41, a waist-shaped through hole 42 is formed in the suspension arm 41, a suspension arm bearing 43 is arranged in the waist-shaped through hole 42, a suspension arm rod 44 penetrates through the suspension arm bearing 43, a cam groove sliding bearing 45 is arranged at one end of the suspension arm rod 44, and the other end of the suspension arm rod 44 is connected to the suction cup suspension arm 13.

Preferably, the suction cup suspension arm 13 includes a slider fixing plate 131, a slider 132 is disposed on one side of the slider fixing plate 131, a positioning rod 133 is disposed on the other side of the slider fixing plate 131, a plurality of positioning bearings 134 are disposed on the positioning rod 133, the positioning bearings 134 are disposed in the mounting plate 2, a slide rail 135 is connected to the slider 132, an L-shaped mounting arm 136 is connected to the slide rail 135, and a plurality of suction cups 137 are disposed at intervals on an end portion of the L-shaped mounting arm 136.

Preferably, each of the first gear assembly 6 and the second gear assembly 7 includes a gear 14, a gear shaft 15 is disposed on the gear 14, a plurality of gear bearings 16 are sleeved on the gear shaft 15, and one end of the gear shaft 15 is disposed at a position deviated from the center of the mounting table 5 and connected to the cantilever assembly 4.

One of the driving modes of the module is driven by an air cylinder, the double-sided rack 8 is controlled by the air cylinder to move, when the air cylinder acts, the double-sided rack 8 is driven to move, meanwhile, the first gear assembly 6 and the second gear assembly 7 are driven to rotate, the first gear assembly 6 and the second gear assembly 7 rotate to drive the two sucker cantilevers 13 to rotate by 90 degrees, and the two sucker cantilevers 13 rotate by 90 degrees to be butted and taken. The turning-over action of the battery can be realized.

The other driving mode of the module is driven by a motor, the first gear assembly 6 or the second gear assembly 7 is controlled by a motor 17 to rotate, and the output shaft of the motor 16 rotates to drive one gear to rotate and simultaneously drives the other gear to rotate through the double-sided rack 8.

As shown in fig. 6 and 7, each of the cell front-side inkjet printing module 200 and the cell back-side inkjet printing module 300 includes a gantry bracket 201, a traverse driving mechanism 203, a first linear slide rail 204 and a mounting plate 205 are disposed on a cross beam 202 of the gantry bracket 201, the mounting plate 205 is connected to the first linear slide rail 204 through a first linear slide block 206, and at least one inkjet printing head 207 capable of supplying ink instantly is disposed on the mounting plate 205;

the jet printing head 207 comprises a pneumatic lifting driving mechanism 208 and a jet printing box body 209 controlled to lift by the pneumatic lifting driving mechanism 208, and the pneumatic lifting driving mechanism 8 is connected with the jet printing box body 209 through a second linear slide rail 2010 and a second linear slide block 2011;

be equipped with circulating pump 2091 in the box 209 of spouting seal, ink box 2092, drive plate 2093 and shower nozzle 2094, be equipped with the liquid level floater (not shown) in the ink box 2092, in circulating pump 2091 pumped ink box 2092, the break-make of circulating pump 2091 can be controlled to the liquid level floater in the ink box 2092, ink box 2092 and shower nozzle 2094 pass through UV ink pipe intercommunication, the cavity bottom of spouting seal box 209 still is equipped with print sensor 2095 and spacing sensor 2096, print sensor 2095 triggers shower nozzle 2094 after sensing the supplied materials and spouts the seal. The picture to be printed is uploaded to printing software, the picture is processed into a digital signal through RIP software, then the digital signal is transmitted to a driving plate 2093 through a network cable, and the driving plate 93 converts the digital signal into an electric signal to control a plurality of jet holes on a spray head 2094 to jet ink. The bottom of the cross beam 202 is provided with a feeding sensor 2012, when the feeding sensor senses that a product comes, the nozzle 2094 is triggered to spray, and the traverse driving mechanism 203 controls the nozzle 207 to transversely move to spray. A negative pressure gauge 2015 is also arranged in the spray printing box 209.

Preferably, a moisturizing ink stack (not shown) is further disposed at the bottom of the cavity of the inkjet printing box 209, and when the inkjet head 2094 is not used for a while, the moisturizing ink stack is manually buckled on the inkjet head to moisturize the inkjet head. When the head 2094 needs maintenance, the print tank 209 is moved to above the waste ink tank 2016 for maintenance.

Preferably, a UV curing lamp (not shown) is disposed on one side of the bottom of the inkjet printing box 209, the UV curing lamp cures the surface of the product immediately after the inkjet head 2094 finishes the inkjet printing, and a buzzer 2014 and a cleaning button 2013 are disposed on the upper end surface of the inkjet printing box 209.

Preferably, the pneumatic lifting driving mechanism 208 includes a cylinder mounting plate 2081, a lifting driving cylinder 2082 and a differential head 2083 are disposed at an end of the cylinder mounting plate 2081, and a piston rod end of the lifting driving cylinder 2082 is connected to one side of the inkjet printing box 209. The height between the spray head and the product is adjusted by the differential head 2083, and the precision is high.

Preferably, the traverse driving mechanism 203 includes a servo motor 2031 and a transmission screw 2032, and the transmission screw 2032 is connected to the mounting plate 205 through a screw nut.

Preferably, when an inkjet head 207 is provided on the mounting plate 205, the inkjet head 207 performs monochrome inkjet printing on the front side of the cell (as shown in fig. 6). When the two jet printing heads 207 are arranged on the mounting plate 205, the two jet printing heads 207 perform double-color jet printing on the back surface of the battery, and the colors of ink jet printed by the two jet printing heads 207 are different. When the battery is sprayed and printed on the spray printing production line, the single-color spray printing is firstly carried out on the front surface of the battery, and after the front surface is sprayed and printed, the battery is turned over through the turning mechanism and then enters the reverse-surface double-color spray printing (as shown in figure 8).

The ink jet printer head can control the on-off of the circulating pump through the liquid level floating ball in the ink box, and the ink in the ink box is always kept sufficient; the ink box is connected with the spray head by using a special UV ink pipe so as to achieve the purpose of continuously supplying ink to the spray head. Uploading a picture to be printed to printing software, processing the picture into a digital signal through RIP software, transmitting the digital signal to a driving board through a network cable, and converting the digital signal into an electric signal by the driving board to control a plurality of jet holes on a spray head to jet ink; the nozzle sprays countless tiny black or color ink drops to the surface of the medium according to a certain arrangement mode, and then different patterns are displayed.

As shown in fig. 10, the docking assembly line 102 includes a docking bracket 1021, one end of the docking bracket 1021 is provided with a docking rod 1022, the other end of the docking bracket 1021 is provided with a belt roller 1023, the docking rod 1022 and the belt roller 1023 are connected by a belt line 1024, the belt line 1024 is driven by a motor in a mode of a belt-driven synchronous pulley and a synchronous belt, the driven synchronous pulley is connected with the belt roller, the driving synchronous pulley is connected with an output shaft of the motor, and the driven synchronous pulley and the driving synchronous pulley are connected by the synchronous belt; a material pushing cylinder mounting plate is arranged on one side of the upper end of the butt joint support 1021, a material pushing cylinder 1025 is arranged on the material pushing cylinder mounting plate, and a material pushing block 1026 is arranged at the piston rod end of the material pushing cylinder 1025; a material blocking strip 1027 is further arranged at the discharge end of the butt joint support 1021, an inductor support is arranged in the middle of the butt joint support 1021, and a first material receiving inductor 1028 is arranged on the inductor support;

the defective product carrying module 900 comprises a second profile support 901, a synchronous belt driving mechanism 902 and a Z-axis cylinder 903 driven by the synchronous belt driving mechanism 902 are arranged on a cross beam of the second profile support 901, and a material taking suction cup 904 is arranged at the piston rod end of the Z-axis cylinder 903; a third incoming material sensor 801 is arranged at the feeding end of the qualified product production line 800; the defective product carrying module 900 takes the defective product from the qualified product assembly line 800, and puts the defective product into the defective product assembly line 101 for output; the synchronous belt driving mechanism 902 includes a stepping motor, which drives a synchronous belt through a synchronous wheel;

the front air suction assembly line module 400 and the rear air suction assembly line module 500 both comprise an air suction profile bracket 401, belt rollers 402 are arranged at both ends of the air suction profile bracket 401, the two belt rollers 402 are connected through an air suction belt 403, and one belt roller 402 is driven by a servo motor 404; the upper end of the air suction profile support 401 is provided with a belt support plate 405, an air suction belt 403 passes through the upper surface of the belt support plate 405, two sides of the air suction profile support 401 are provided with tensioning mechanisms 406, and the two tensioning mechanisms 406 are connected with a tensioning roller 407; a vacuum cavity is arranged in the air suction profile bracket 401 and is connected with an air suction hole 408 through an air suction channel;

the tensioning mechanism 406 comprises a tensioning adjusting plate 4061, a screw mounting plate 4062 and a waist-shaped adjusting hole 4063 are arranged on the outer side of the tensioning adjusting plate 4061, an adjusting screw 4064 is arranged on the screw mounting plate 4062, and the end of the tensioning roller 407 penetrates through the waist-shaped adjusting hole 4063 and is connected with the adjusting screw 4064.

Preferably, the synchronous transplanting module 103 comprises a transplanting bracket 1031, a transplanting mounting plate 1032 is arranged on the transplanting bracket 1031, a cam chute 1033 and a horizontal guide rail 1034 are arranged on the transplanting mounting plate 1032, a transplanting motor 1035 is arranged on one side of the transplanting mounting plate 1032, a transplanting cantilever 1036 is arranged on the other side of the transplanting mounting plate 1032, an output shaft of the transplanting motor 1035 penetrates through the transplanting mounting plate 1032 and is connected with the transplanting cantilever 1036, a cantilever kidney-shaped hole 1037 is arranged on the transplanting cantilever 1036, a transplanting cantilever bearing 1038 is connected in the cantilever kidney-shaped hole 1037, a transplanting bearing rod is arranged on the transplanting cantilever bearing 1038 in a penetrating manner, a transplanting chute bearing 1039 is arranged at one end of the transplanting bearing rod, the other end is connected with a vertical guide rail 1030, the lower end of the vertical guide rail 1030 is fixedly connected with a transplanting suction cup 10301, the middle part of the vertical guide rail 1030 is connected onto a transplanting sliding block 10302 in a sliding manner, and the lower end of the transplanting sliding block 10302 is connected onto a horizontal guide rail 1034 in a sliding manner.

Preferably, the secondary positioning module 104 includes a positioning profile support 1041, a jig base plate 1042 is arranged on the positioning profile support 1041, a slide 1043 is arranged at a corner of the jig base plate 1042, a pushing block 1044 is arranged in the slide 1043, a positioning slider is arranged at the bottom of the jig base plate 1042, a slide rail 1045 is connected to the positioning slider, the pushing block 1044 is connected to one end of the slide rail 1045, a Y-shaped connecting rod 1046 is connected to the other end of the slide rail 1045, a positioning cylinder 1047 capable of adjusting a stroke is connected to one end of the Y-shaped connecting rod 1046, a limiting block 1048 is arranged on the upper end face of the jig base plate 1042, and a battery is jointly positioned by the limiting block. The secondary positioning module 104 adopts a diagonal side-by-side mode, is realized by matching a positioning cylinder with a sliding rail, and has a simple structure and accurate positioning.

The process flow of the equipment is as follows: this equipment mainly spouts seal to the battery surface, adopt the assembly line butt joint supplied material mode, flow to prepositioning, synchronous transplanting module 103 carries the product to secondary positioning module 104, secondary positioning module 104 does the secondary positioning for the product after by synchronous transplanting module 103 carry the anterior segment on the assembly line that induced drafts, the product flows to battery front and spouts seal module 200 after flowing on water and handling through plasma cleaning module, battery front spouts seal module 200 and spouts seal (black printing ink) and precuring to the product, battery turn-over module 600 turns over the product and places the back segment on the assembly line that induced drafts after accomplishing, flow to double-colored jet printing worker station after the processing of plasma cleaning module, battery back jet printing module 300 spouts seal (black or white printing ink) and precuring to the product, spout and flow to next processing procedure equipment (assembly line butt joint unloading) after the seal is accomplished. When opening visual detection back, if the monochromatic seal worker station of spouting of anterior segment has the seal NG of spouting, then the upset module does not move, and the product directly flows to NG unloading department, and NG transport module is placed the NG product on the NG assembly line, and the NG product flows.

A double-sided spray printing method for a lithium polymer battery comprises the following steps:

(1) positioning the battery; the battery flows into the butt joint assembly line, the battery is positioned by the material pushing cylinder, the battery positioned by the side is conveyed to the secondary positioning module by the synchronous transplanting module to be positioned secondarily, and the battery positioned secondarily is conveyed to the front air suction assembly line module by the synchronous transplanting module to be conveyed; the secondary positioning module is realized by matching a positioning cylinder with a sliding rail in a diagonal edge-leaning mode;

(2) spraying and printing the front side of the battery; the front air suction assembly line module adsorbs the battery to be positioned and conveyed to a specified position, a jet printing machine head of the battery front jet printing module performs jet printing on the front side of the battery, a curing lamp on the jet printing machine head performs precuring on ink in the jet printing process, and the jet printing and the precuring are performed synchronously; before the front side of the battery is subjected to jet printing, a plasma cleaning module is needed to clean the front side of the battery;

(3) carrying out jet printing visual detection on the front side of the battery; after the front side of the battery is subjected to jet printing, the front CCD visually detects the front side jet printing condition, and NG memory is carried out on defective products; if the battery openly spouts seal worker station has and spouts seal defective products, then the battery turn-over module does not move, and the defective products directly flows to defective products unloading department, and defective products transport module places the defective products on the defective products assembly line, and the defective products flow out.

(6) carrying out spray printing visual detection on the back surface of the battery; after the back side of the battery is subjected to jet printing, the back side jet printing condition is visually detected by a CCD, and the defective product is subjected to identification NG memory;

Compared with the original semi-automatic production mode, the equipment greatly improves the production efficiency, reduces the complexity of manual operation, improves the production efficiency and reduces the production cost; through the use of equipment from taking visual positioning system, reduce the loaded down with trivial details and manpower, the time cost of artifical screening defective products in later stage, greatly promoted the product yield.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and arrangements of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The double-sided spray printing machine for the lithium polymer battery comprises a machine table and is characterized in that a battery front spray printing module and a battery back spray printing module are arranged on the machine table, a front air suction assembly line module for adsorbing and conveying the battery is arranged below the battery front spray printing module, a back air suction assembly line module for adsorbing and conveying the battery is arranged below the battery back spray printing module, and a battery turn-over module is arranged between the front air suction assembly line module and the back air suction assembly line module on the machine table;

2. The double-sided inkjet printing machine for the lithium polymer battery as claimed in claim 1, wherein a docking assembly line and a synchronous transplanting module are arranged on the machine table, a secondary positioning module is arranged between the docking assembly line and the front air suction assembly line module, the synchronous transplanting module has two suction stations, a first suction station sucks a product from the docking assembly line, a second suction station also sucks a product from the secondary positioning module, the two suction stations move simultaneously, the product sucked by the first suction station is placed on the secondary positioning module, and the product sucked by the second suction station is placed on the front air suction assembly line module.

3. The double-sided inkjet printing machine for the lithium polymer battery as claimed in claim 1, wherein the machine table is provided with a plasma cleaning module, and the surface of the battery needs to be cleaned before the battery enters the battery front-side inkjet printing module and the battery back-side inkjet printing module;

4. The lithium polymer battery double-sided inkjet printer according to claim 1, wherein the battery turn-over module comprises a bracket, the bracket is provided with a mounting plate, one side surface of the mounting plate is provided with two cam grooves at intervals, two cantilever assemblies which can limit the two cam grooves to slide are arranged in the two cam grooves, the middle part of the cam groove is provided with an installation platform, the other side surface of the installation platform is provided with a first gear assembly, a second gear assembly and a double-sided rack which can be simultaneously meshed with the first gear assembly and the second gear assembly, one end of the first gear assembly and one end of the second gear assembly are arranged at the position deviated from the center of the mounting platform in a penetrating way and connected with the cantilever assembly, the first gear assembly and the second gear assembly respectively drive one cantilever assembly to slide along the cam groove, and the directions of the first gear assembly and the second gear assembly are opposite when the first gear assembly and the second gear assembly rotate;

5. The lithium polymer battery double-sided inkjet printer according to claim 4, wherein the cantilever assembly comprises a cantilever member, a waist-shaped through hole is formed in the cantilever member, a cantilever bearing is arranged in the waist-shaped through hole, a cantilever rod penetrates through the cantilever bearing, a cam groove sliding bearing is arranged at one end of the cantilever rod, and the other end of the cantilever rod is connected with the sucker cantilever;

6. The lithium polymer battery double-sided inkjet printing machine as claimed in claim 4, wherein the battery front-side inkjet printing module and the battery back-side inkjet printing module each comprise a gantry support, a transverse moving driving mechanism, a first linear slide rail and a mounting plate are arranged on a cross beam of the gantry support, the mounting plate is connected to the first linear slide rail through a first linear slide block, and at least one inkjet printing machine head capable of supplying ink instantly is arranged on the mounting plate;

7. The lithium polymer battery double-sided inkjet printer according to claim 4, wherein a moisturizing ink stack is further arranged at the bottom of the cavity of the inkjet printer box, and when the nozzle is not used for a long time, the moisturizing ink stack is manually buckled on the nozzle to moisturize the nozzle; a UV curing lamp is arranged on one side of the bottom of the spray printing box body, the UV curing lamp is used for curing the surface of a product after the spray head is sprayed and printed, and a buzzer and a cleaning button are arranged on the upper end surface of the spray printing box body;

8. The lithium polymer battery double-sided inkjet printer according to claim 2, wherein the docking assembly line comprises a docking bracket, one end of the docking bracket is provided with a docking rod, the other end of the docking bracket is provided with a belt roller, the docking rod and the belt roller are connected by a belt line, the belt line is driven by a motor belt-driven synchronizing wheel and a synchronous belt, the driven synchronizing wheel is connected with the belt roller, the driving synchronizing wheel is connected with a motor output shaft, and the driven synchronizing wheel and the driving synchronizing wheel are connected by the synchronous belt; a material pushing cylinder mounting plate is arranged on one side of the upper end of the butt joint support, a material pushing cylinder is arranged on the material pushing cylinder mounting plate, and a material pushing block is arranged at the piston rod end of the material pushing cylinder; the discharge end of the butt joint support is also provided with a material blocking strip, the middle part of the butt joint support is provided with an inductor support, and the inductor support is provided with a first material feeding inductor;

9. The lithium polymer battery double-sided spray printing machine according to claim 2, wherein the synchronous transplanting module comprises a transplanting bracket, a transplanting mounting plate is arranged on the transplanting bracket, a cam chute and a horizontal guide rail are arranged on the transplanting mounting plate, a transplanting motor is arranged on one side of the transplanting mounting plate, a transplanting cantilever is arranged on the other side of the transplanting mounting plate, an output shaft of the transplanting motor penetrates through the transplanting mounting plate and is connected with the transplanting cantilever, a cantilever waist-shaped hole is arranged on the transplanting cantilever, a transplanting cantilever bearing is connected in the cantilever waist-shaped hole, a transplanting bearing rod is arranged on the transplanting cantilever bearing in a penetrating way, a transplanting chute bearing is arranged at one end of the transplanting bearing rod, a vertical guide rail is connected at the other end of the transplanting bearing rod, a transplanting suction cup is fixedly connected at the lower end of the vertical guide rail, and the middle part of, the lower end of the transplanting sliding block is connected to the horizontal guide rail in a sliding manner;

the secondary positioning module comprises a positioning profile support, a jig bottom plate is arranged on the positioning profile support, a slide way is arranged at a corner of the jig bottom plate, a material pushing block is arranged in the slide way, a positioning slide block is arranged at the bottom of the jig bottom plate, a slide rail is connected to the positioning slide block, one end of the slide rail is connected with the material pushing block, the other end of the slide rail is connected with a Y-shaped connecting rod, one end of the Y-shaped connecting rod is connected with a positioning cylinder capable of adjusting stroke, a limiting block is arranged on the upper end face of the jig bottom plate, and the limiting block and the material pushing block jointly position the battery.

10. A double-sided spray printing method for a lithium polymer battery is characterized by comprising the following steps:

(3) carrying out jet printing visual detection on the front side of the battery; after the front side of the battery is subjected to jet printing, the front CCD visually detects the front side jet printing condition, and NG memory is carried out on defective products; if the spraying and printing defective products exist in the spraying and printing work station on the front side of the battery, the battery turnover module does not act, the defective products directly flow to the defective product discharging position, the defective product carrying module places the defective products on a defective product production line, and the defective products flow out;