Coating line and on-line automatic identity device thereof
Technical field
The utility model belongs to lithium battery production field, is specifically related to a kind of coating line and on-line automatic identity device thereof.
Background technology
Current multiple thickness measuring system (as thickness measurement with laser, thickness measurement with ray etc.) can be very the accurately and effectively variation of product quality in monitoring pole coating production process, effectively reduce the generation of waste product and off standard.In a continuous pole coating production process, in order to reduce the pause of production, also in order to remind subsequent handling note in time and process the overproof situation of pole piece thickness, often need at coated face, to mark overproof situation in real time simultaneously.Therefore, for the actual effect of performance coating thickness measuring system, make subsequent handling personnel to coated product, carry out sorting distribution easily and fast, in the urgent need to one, be coated on line sweep formula automatic marking device.But, though it is many to spray at present marking equipment, there is no the equipment of a kind of applicable coating thickness measurement online mark.
Chinese Patent Application No. 201220626267.8 discloses a kind of pole piece coating production line and the online identity device of quality thereof, this device comprises online calibrator, coding marking equipment and PLC controller, the signal output part of thickness measurement online instrument is connected with the control input end of PLC controller, the control output end of PLC controller and coding marking equipment control connection.But the coding marking equipment of this device is fixing static type, certain that can only be sprayed on pole piece a bit, can not spray in the transverse area of pole piece, and after follow-up workshop section itemize, the pole piece None-identified of not spraying, is unfavorable for the work of follow-up workshop section.In addition, the coating that coding marking equipment uses is liquid state, during use, can flow, and too much coating can cause and come off or viscous transfer, affects marking effect.
Utility model content
The purpose of this utility model is to provide the online automatic marking device of a kind of coating, the problem that can not move None-identified after the follow-up workshop section itemize that horizontal spraying brought to solve existing coating identity device provides a kind of coating line that uses this on-line automatic identity device simultaneously.
In order to realize above object, the utility model is coated with the technical scheme that online automatic marking device adopts: comprise PLC, spray body and the signal gathering unit for being connected with thickness measurement online instrument, the signal output part of signal gathering unit is connected with the control input end of PLC, the control output end of PLC controller and spray body control connection, set and be coated with the direction moving along production line for longitudinal, the direction moving perpendicular to production line is for horizontal, this device also comprises a reciprocating mechanism for transverse shifting, described spray body and reciprocating mechanism interconnect and make spray body to be synchronized with the movement with reciprocating mechanism.
Described reciprocating mechanism drives and is connected with spray body, and reciprocating mechanism comprises the cylinder with PLC control connection, is connected with one along the slide block that laterally slide rail moves on cylinder, and described cylinder and slide rail are all installed on reciprocating mechanism support; This slider-actuated connects described spray body.
Described spray body is installed on a movable plate, and described slide block drives connection spray body to make it with cylinder transverse shifting by this movable plate; Described reciprocating mechanism also comprise with PLC control connection for the position of reciprocating mechanism being carried out to the positional information collecting unit of signals collecting.
Described spray body comprises upper limit spray gun and the lower limit spray gun for spraying different colours coating.
Described spray body also comprise interconnective for store have the pressure vessel of setting pressure sprayed on material and for to sprayed on material stir automatic stirrer, described upper limit spray gun and lower limit spray gun are communicated with pressure vessel by pipeline.
The technical scheme that the utility model coating line adopts is: comprise pole coating conveyer and the set online automatic marking device of coating on one section of conveyer therein, the online automatic marking device of described coating comprises PLC, spray body and the signal gathering unit for being connected with thickness measurement online instrument, the signal output part of signal gathering unit is connected with the control input end of PLC, the control output end of PLC controller and spray body control connection, set and be coated with the direction moving along production line for longitudinal, the direction moving perpendicular to production line is for horizontal, it is characterized in that: this device also comprises a reciprocating mechanism for transverse shifting, described spray body and reciprocating mechanism interconnect and make spray body to be synchronized with the movement with reciprocating mechanism.
Described reciprocating mechanism drives and is connected with spray body, and reciprocating mechanism comprises the cylinder with PLC control connection, is connected with one along the slide block that laterally slide rail moves on cylinder, and described cylinder and slide rail are all installed on reciprocating mechanism support; This slider-actuated connects described spray body.
Described spray body is installed on a movable plate, and described slide block drives connection spray body to make it with cylinder transverse shifting by this movable plate; Described reciprocating mechanism also comprise with PLC control connection for the position of reciprocating mechanism being carried out to the positional information collecting unit of signals collecting.
Described spray body comprises upper limit spray gun and the lower limit spray gun of spraying different colours coating.
Described spray body also comprise interconnective for store have the pressure vessel of setting pressure sprayed on material and for to sprayed on material stir automatic stirrer, described upper limit spray gun and lower limit spray gun are communicated with pressure vessel by pipeline.
Coating line of the present utility model and on-line automatic identity device thereof are carried out analyzing and processing to the coating thickness information collecting, and by man-machine interaction unit, set the scope of required sign, PLC carries out data operation according to set sign scope, then control reciprocating mechanism and carry out the motion of transversal scanning formula, run to the coating position that needs sign, finally by spray body to needing home position to carry out identifying overproof information online according to predetermined scheme, so that subsequent handling is carried out rapid classification sorting to product.
Adopt automatic stirrer and pressure vessel to store and atomization processing sprayed coating, under normal temperature, be attached to fast coating surface, without coming off and viscous transfer, battery performance is not exerted an influence; Meet coating thickness measurement online information is rolled up enterprising line identifier object in level.
Adopt double spray gun structure can spray two kinds of different colors, can to the pole piece of different-thickness, identify clearly, be convenient to follow-up separation work.
Accompanying drawing explanation
Fig. 1 is the theory diagram that the utility model is coated with online automatic marking device embodiment;
Fig. 2 is the control system structural representation that the utility model is coated with online automatic marking device embodiment;
Fig. 3 is the operation executing agency structural representation of the utility model embodiment;
Fig. 4 is the sign areal map of automatic marking device;
Fig. 5 is automatic marking device programme-control schematic diagram;
Fig. 6 is automatic marking device external wiring diagram.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
The utility model provides a kind of coating line, comprise pole coating conveyer and the set online automatic marking device of coating on one section of conveyer therein, as shown in Figure 1, the online automatic marking device of this coating comprises PLC, spray body and the signal gathering unit for being connected with thickness measurement online instrument, the signal output part of signal gathering unit is connected with the control input end of PLC, the control output end of PLC controller and spray body control connection, set and be coated with the direction moving along production line for longitudinal, the direction moving perpendicular to production line is for horizontal, this device also comprises a reciprocating mechanism for transverse shifting, spray body and reciprocating mechanism interconnect and make spray body to be synchronized with the movement with reciprocating mechanism.
The online automatic marking device of coating of the present embodiment comprises control system and movement executing mechanism, as shown in Figures 2 and 3, control system comprises that the master controller 2(the present embodiment being arranged in control cabinet 3 adopts PLC), PLC receives thickness analog signals and the external monitoring signal (as the position signalling of reciprocating mechanism) of online measuring thickness device; Movement executing mechanism comprises the spray body that is arranged at coating Bigpian 10 tops and the reciprocating mechanism that drives spray body transverse shifting, and PLC controls the action of reciprocating mechanism and spray body, and reports to the police when transfiniting; And PLC control connection has man-machine interaction unit 1, for setting the various control parameters such as upper and lower limit of detected product standard value, also the correlation technique parameters such as the state of the motion state of current reciprocating mechanism, spray body, coating quantity, spraying quantity can be shown in real time simultaneously.
As shown in Figure 3, spray body comprises upper limit spray gun 7 and the lower limit spray gun 8 for spraying different colours coating; Reciprocating mechanism comprises and is arranged on reciprocating mechanism support 11 and cylinder 7 PLC control connection, this cylinder adopts Rodless cylinder, on cylinder, be connected with a slide block 12 moving along horizontal slide rail 14, upper limit spray gun 8 is fixedly installed in a movable plate 13(aluminium sheet with lower limit spray gun 9) on, slide block 12 is fixedly connected with movable plate 13, the mobile movable plate 13 that drives of slide block 12 moves, thereby the spray gun that realization is connected with movable plate 16 carries out left and right transversal scanning formula, moves; Reciprocating mechanism also comprise with PLC control connection for the position of reciprocating mechanism being carried out to the positional information collecting unit 6 of signals collecting, information acquisition unit 6 is for gathering the shift position of spray gun, while reaching Derivative limit on the left or on the right, control cylinder is mobile in the other direction.
Spray body also comprise be arranged at control in cabinet with PLC control connection for storing, there is the pressure vessel 5 of setting pressure sprayed on material and the automatic stirrer 4 for sprayed on material is stirred, this automatic stirrer adopts pneumatic stirring to carry out automatic stirring to sprayed on material; Pressure vessel is used for storing sprayed on material, and certain pressure can be provided, and slurry is pressed in the spray gun of spray body, and automatic stirrer 4 is connected with pressure vessel 5, for the constant voltage output of the automatic stirring to spraying slurry and slurry.Upper limit spray gun 7 and lower limit spray gun 8 are communicated with pressure vessel 5 by pipeline, and are connected with the magnetic valve of switch board by gas circuit, control and spray action; Sprayed on material atomization, spraying shape and quantity for spray can regulate according to demand.
The utility model also provides the coating as above of a kind of structure online automatic marking device.
The present embodiment by the touch-screen of man-machine interaction unit arrange four control line: S be low, S is high (certified products on roll off the production line), L is low, H is high (bound of defective work), as shown in Figure 4: being less than L low is defective work section, flush coater 1 needs action identification, the narrower white portion of ejection width; The low – S of L is low is the pre-police region of the overproof lower limit of coating thickness, and flush coater does not need action, and alarm rings, and alert is adjusted device parameter in time, prevents the generation of defective work; S Di – S height is qualified finished product, does not need sign; S is high, and – L height is the pre-police region of the overproof upper limit of coating thickness, and flush coater does not need action, and alarm rings, and alert is adjusted device parameter in time, prevents the generation of defective work; Higher than L height, be defective work section, flush coater 2 needs action identification, the yellow area of ejection wider width.
Automatic marking device cyclematics as shown in Figure 5, after equipment automatically starts, M0.0 closure, equipment enters automatic running status, when thickness measurement online data exceed upper limit set value, and M4.0 closure, valve conducting moves to left, executing agency is moved to the left, and while moving to left limit, the valve that moves to left disconnects, executing agency moves right, in executing agency's moving process, spray procedure upper limit spraying Q0.3 closure, upper control limit spray gun sprays.In spraying process, if edge detecting sensor I0.6 detects coating pole-piece pole-ear district rising edge, M2.0 obtains electric, and normally-closed contact M2.0 disconnects, and upper limit spraying Q0.3 disconnects, and stops spraying; When after coating detects, sensor I0.7 detects lug district trailing edge, M2.1 must conduct, and normally-closed contact M2.1 disconnects, the M2.0 dead electricity of series connection with it, and normally-closed contact M2.0 reset conducting, upper limit spraying Q0.3 conducting continues spraying.This kind of spraying method can be skipped batch (-type) and shift coating pole-piece pole-ear district, make to spray marking materials and be sprayed on coating district, do not affect the normal use of pole piece, overcome that existing on-line marking equipment exists when lithium electricity industry is used can not change spraying method by demand, coating affects the defects such as battery performance.Lower limit spraying principle is identical with upper limit spraying principle.In addition, native system also possesses bound early warning, and super data thick, ultra-thin pole piece show and writing function.
As shown in Figure 6, outside start button is connected with PLC I0.0 automatic marking device external wiring diagram; Outer stop button is connected with PLC I0.1; Cylinder right limit detecting sensor signal is connected with PLC input I0.4; Cylinder left limit detecting sensor signal is connected with PLC input I0.5; Edge detecting sensor signal is connected with PLC input I0.6; After coating detects, sensor signal is connected with PLC input I0.7; Man machine operation interface HMI and PLC adopt RS485 to carry out communication; PLC output control signal Q0.0 and the cylinder valve that moves to right is connected; PLC output control signal Q0.1 and the cylinder valve that moves to left is connected; PLC output control signal Q0.3 is connected with upper limit spraying valve; PLC output control signal Q0.4 is connected with lower limit spraying valve; PLC output control signal Q0.5 is connected with upper limit early warning indication.