CN117825271B - Printing ink adhesive force testing device on UV spraying product - Google Patents
Printing ink adhesive force testing device on UV spraying product Download PDFInfo
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- CN117825271B CN117825271B CN202410247933.4A CN202410247933A CN117825271B CN 117825271 B CN117825271 B CN 117825271B CN 202410247933 A CN202410247933 A CN 202410247933A CN 117825271 B CN117825271 B CN 117825271B
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Abstract
The invention belongs to the technical field of printing tests, and particularly relates to a printing ink adhesive force testing device on a UV spraying product, which comprises a testing table, wherein two side plates are fixedly arranged on the end face of the testing table, a hollow substrate is arranged between the two side plates, a light detection mechanism is arranged at the position of the testing table, which is positioned on two sides of the hollow substrate, a plurality of friction steel balls are rotatably arranged on the lower end face of the hollow substrate, a driving plate is arranged above the friction steel balls, and a T-shaped column is fixedly arranged on the upper end of the driving plate. According to the invention, the ink is rubbed in multiple directions, so that the adhesive force test of the ink of the product is more comprehensive, the measured result is more accurate and stable, the ink can be directly arranged on the production line for printing the ink of the film product for sampling test, meanwhile, whether the ink drops off can be automatically compared and detected, visual observation by personnel is not needed, and the drop-off ink can be prevented from affecting the accuracy of the comparison result.
Description
Technical Field
The invention belongs to the technical field of printing tests, and particularly relates to a printing ink adhesive force testing device on a UV spray product.
Background
In printing, a UV lamp is used as a technology for drying and curing printing ink and paint, and the UV technology uses a specific ultraviolet light source to rapidly cure the ink and paint through chemical reaction, so that it is necessary to test a product in order to ensure that a printed ink pattern can meet a use requirement.
At present, the adhesion of printing ink is an important test item in an ink printing product, and as the proportion of the ink, the power of a UV illumination system and the adhesion degree of the ink and a substrate can influence the adhesion of the ink, the adhesion of the ink and the substrate of the product needs to be tested before formal production to ensure that the produced product is qualified, one or more samples are taken in the conventional operation, and the adhesion test of the ink is carried out in a scraping mode, for example, the adhesion test device of the printing ink on the UV spraying product disclosed in the patent publication No. CN 218512291U;
However, for printed products such as films, the ink is applied to the film by the printing roller during the printing process, and due to the working principle of the printer and the characteristics of the film, in the transverse direction of the substrate, the adhesive force of the ink in the direction is higher due to the relatively stable printing pressure and speed, and in the longitudinal direction of the substrate, the adhesive force of the ink in the longitudinal direction is possibly weaker due to the shearing force of the substrate, so that the test result is not accurate enough due to the single-direction or simple transverse and longitudinal adhesive force test, and the labor amount is high due to the mode of manually observing whether the ink drop point exists after the test, and the influence of subjective consciousness of personnel is easily caused, and meanwhile, the actual processing environment is different from the test sample environment, for example, if dust particles, greasy dirt and the like in a workshop are attached to the product substrate during the actual processing, the adhesive force of the ink is also influenced, and the test result cannot be attached to the actual substrate only through the test sample.
Disclosure of Invention
The invention aims to solve the problems and provide a printing ink adhesion testing device on a UV spraying product.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a printing ink adhesive force testing arrangement on UV spraying product, includes the testboard, the terminal surface fixed mounting of testboard has two curb plates, two be provided with hollow base plate between the curb plate, the testboard is located the position of hollow base plate both sides and all installs light detection mechanism, the lower terminal surface rotation of hollow base plate is provided with a plurality of friction steel balls, and has laid the drive plate above a plurality of friction steel balls, the upper end fixed mounting of drive plate has T shape post, and the top rotation of T shape post is equipped with a plurality of balls, and T shape post is located the inside activity setting of hollow base plate through a plurality of balls, pushing device is installed on the interior top of hollow base plate, and pushing device is used for promoting T shape post and removes from a plurality of directions, two the curb plate is located the position of hollow base plate top and installs the fixed plate, and the terminal surface fixed grafting of fixed plate has electric putter, electric putter's output and the top fixed connection of hollow base plate, the terminal surface mounting of fixed plate has air feed mechanism, and air feed mechanism's the end is linked together with pushing device, the terminal surface mounting contrast mechanism of fixed plate has a plurality of balls, and pushing device are located the inside movable setting of hollow base plate, the contrast mechanism is connected with two air feed mechanism and air absorber, and two electrical property absorber, and air absorber are connected together.
Preferably, the two optical inspection mechanisms comprise mounting grooves formed in the end face of the test board, the bottoms of the mounting grooves are fixedly provided with LED lamp panels, the two side plates are fixedly provided with insulating groove plates above the mounting grooves, the inside of each insulating groove plate is provided with a photoconductive detector, the grooves of each insulating groove plate and the mounting grooves are respectively provided with a transparent plate in a packaged mode, and the LED lamp panels and the two photoconductive detectors are electrically connected with the controller.
Preferably, the pushing mechanism comprises a fixed ring sleeved on the outer side of the T-shaped column, the fixed ring is fixedly arranged on the inner top of the hollow substrate, a plurality of cavities are formed in the fixed ring, round plugs are slidably arranged in the cavities, T-shaped push rods are mounted at the ends of the round plugs, the T-shaped push rods are slidably connected with the cavities on the same side, a jack spring is mounted between the T-shaped push rods and the cavities on the same side, an annular pipe is sleeved on the outer side of the fixed ring, communicating pipes are inserted between the cavities and the annular pipe, first normally-closed electromagnetic valves are mounted in the communicating pipes, and the first normally-closed electromagnetic valves are electrically connected with the controller.
Preferably, the air supply mechanism comprises an air pump fixedly arranged on the end face of the fixing plate, an air pipe is fixedly arranged at the air outlet end of the air pump and communicated with the annular pipe, an air suction pipe is fixedly arranged at the suction end of the air pump, an exhaust pipe is fixedly inserted into the pipe wall of the air pipe, an exhaust normally-open electromagnetic valve is arranged in the exhaust pipe, a second normally-closed electromagnetic valve is arranged in the air pipe, and the air pump, the exhaust normally-open electromagnetic valve and the second normally-closed electromagnetic valve are electrically connected with the controller.
Preferably, the contrast mechanism is including fixing the cylinder that sets up in the fixed plate terminal surface, the inside of cylinder is equipped with first chamber and tail chamber, and the inside in first chamber and tail chamber all slides and is equipped with the piston board, and all is fixed between first chamber and tail chamber and the homonymy piston board and be equipped with reset spring, two the equal fixed mounting of upper end of piston board has insulating support frame, one of them insulating support frame's lateral wall is provided with the conducting block, and the lateral wall of another insulating support frame is provided with the conducting post with conducting block assorted, the bar through-hole has been offered jointly to the chamber wall in first chamber and tail chamber, conducting block and conducting post all are located the inboard setting of bar through-hole, the top fixed mounting of cylinder has the electromagnetic switch with conducting block and conducting post electric connection, and electromagnetic switch passes through controller and bee calling organ electric connection, first chamber and tail chamber are installed the intercommunication subassembly jointly with the gas-supply pipe.
Preferably, the communication assembly comprises an air cavity arranged in the fixing plate, the head cavity and the tail cavity are provided with round holes communicated with the air cavity, the round holes communicated with the head cavity are internally provided with head normally-closed electromagnetic valves, the round holes communicated with the tail cavity are internally provided with tail normally-closed electromagnetic valves, a transverse pipe is fixedly inserted between the air cavity and the air delivery pipe, the interior of the transverse pipe is provided with a third normally-closed electromagnetic valve electrically connected with the controller, the bottom of the air cavity is provided with an air pressure hole, the interior of the air pressure hole is provided with an air pressure valve, and the head normally-closed electromagnetic valve and the tail normally-closed electromagnetic valve are electrically connected with corresponding photoconductive detectors through the controller.
Preferably, the adsorption mechanism comprises a plurality of adsorption pipes fixedly inserted into the bottom of the hollow substrate, the adsorption pipes are fixedly communicated with the hollow lath together, the end face of the hollow lath is fixedly inserted with a connecting pipe, and the air suction pipe and the connecting pipe are jointly provided with a detachable filter.
Preferably, the cavity walls of each cavity are provided with air outlet holes, and the inside of each air outlet hole is provided with an air outlet normally-open electromagnetic valve connected in series with the first normally-closed electromagnetic valve at the same side.
Compared with the prior art, the printing ink adhesive force testing device on the UV spraying product has the advantages that:
Through the testboard, curb plate, cavity base plate, a plurality of friction steel columns, the drive plate, T shape post, the ball, pushing equipment, the fixed plate, electric putter, the mutual cooperation of controller and air feed mechanism, can carry out the friction of a plurality of directions to the printing ink on printing product surface, thereby can make more comprehensive to product printing ink adhesive force test, the result of survey is more accurate stable, and can install directly on the production line of film type product printing ink printing, in the production process, quick carries out the sampling test to film type product printing ink adhesive force, make the test result more laminate reality.
Through the mutual cooperation of two light detection mechanisms, contrast mechanism and buzzer that set up, can carry out the light ratio around the friction to film class printing product to utilize the difference of both sides light detection around the air supply automatic comparison of air feed mechanism, when the printing ink drops, can the automatic alarm remind personnel, need not personnel and observe by eyes, reduce personnel's amount of labour, abandon personnel subjective consciousness influence, convenient to use.
Through the adsorption equipment who sets up, can utilize air supply mechanism's air supply, when carrying out the light again to film class printing product after the friction, adsorb the printing ink material that will probably drop in advance and get rid of to can avoid these printing ink materials that drop to influence the accuracy of light again and examine, improve the accuracy of comparison result, and the printing ink material that drops need not personnel's clearance.
Drawings
FIG. 1 is a schematic diagram of a device for testing adhesion of printing ink on a UV spray product according to the present invention;
FIG. 2 is a schematic diagram of a photo detection mechanism of a device for testing adhesion of printing ink on a UV spray product;
FIG. 3 is a schematic view of the internal structure of a hollow substrate of a device for testing adhesion of printing ink on a UV spray product according to the present invention;
FIG. 4 is a schematic top view of a pushing mechanism of a device for testing adhesion of printing ink on a UV spray product;
FIG. 5 is an enlarged view of the structure of portion A of FIG. 4 of a device for testing adhesion of printing ink on UV spray products according to the present invention;
FIG. 6 is a schematic diagram of the structure of the air supply mechanism of the printing ink adhesion testing device on a UV spray product;
Fig. 7 is a schematic view of the internal structure of a cylinder of a device for testing adhesion of printing ink on a UV-sprayed product according to the present invention.
In the figure: 1 test bench, 2 side plates, 3 hollow base plates, 4 light detection mechanisms, 401 installation grooves, 402LED lamp plates, 403 insulation groove plates, 404 photoconductive detectors, 405 transparent plates, 5 friction steel balls, 6 drive plates, 7T-shaped columns, 8 balls, 9 pushing mechanisms, 901 fixing rings, 902 cavities, 903 round plugs, 904T-shaped push rods, 905 back-push springs, 906 annular pipes, 907 communicating pipes, 908 first normally closed electromagnetic valves, 10 fixing plates, 11 electric push rods, 12 air supply mechanisms, 121 air pumps, 122 air delivery pipes, 123 air suction pipes, 124 exhaust pipes, 125 normally open electromagnetic valves, 126 second normally closed electromagnetic valves, 13 contrast mechanisms, 131 columns, 132 head cavities, 133 tail cavities, 134 piston plates, 135 return springs, 136 insulation support frames, 137 conductive blocks, 138 conductive columns, 139 strip-shaped through holes, 14 adsorption mechanisms, 141 adsorption pipes, 142 hollow ribbon boards, 143 connecting pipes, 144 filters, 15 controllers, 16 buzzers, 17 electromagnetic switches, 18 communicating components, 181 air cavities, 182 round holes, 184 head normally closed electromagnetic valves, 184 tail normally closed electromagnetic valves, 185 transverse pipes, 186 normally closed electromagnetic valves, 187, 188 air outlet valves, 19 air outlet valves, 20 normally open electromagnetic valves.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1-7, a device for testing adhesion of printing ink on a UV spraying product comprises a test bench 1, wherein two side plates 2 are fixedly installed on the end surface of the test bench 1, a hollow substrate 3 is arranged between the two side plates 2, light detection mechanisms 4 are installed at positions of the two sides of the hollow substrate 3, the two light detection mechanisms 4 comprise mounting grooves 401 formed on the end surface of the test bench 1, an LED lamp plate 402 is fixedly installed at the bottom of the mounting grooves 401, an insulating groove plate 403 is fixedly installed at the position of the two side plates 2 above the mounting grooves 401, a photoconductive detector 404 is installed inside the insulating groove plate 403, transparent plates 405 are respectively packaged at the notches of the insulating groove plate 403 and the mounting grooves 401, the LED lamp plate 402 and the two photoconductive detectors 404 are electrically connected with a controller 15, photosensitive resistors are adopted as photosensitive elements for the photoconductive detectors 404, and when the intensity of illumination is increased, the resistance values of the photoconductive detectors 404 are reduced, which is a mature technology in the prior art, and therefore will not be described herein.
The lower end surface of the hollow substrate 3 is rotatably provided with a plurality of friction steel balls 5, a driving plate 6 is arranged above the plurality of friction steel balls 5, a T-shaped column 7 is fixedly arranged at the upper end of the driving plate 6, a plurality of balls 8,T are rotatably arranged at the top of the T-shaped column 7, the balls 8,T are movably arranged inside the hollow substrate 3 through the balls 8, a pushing mechanism 9 is arranged at the inner top of the hollow substrate 3, the pushing mechanism 9 is used for pushing the T-shaped column 7 to move from a plurality of directions, the pushing mechanism 9 comprises a fixed ring 901 sleeved at the outer side of the T-shaped column 7, the fixed ring 901 is fixedly arranged at the inner top of the hollow substrate 3, a plurality of cavities 902 are formed in the fixed ring 901, round plugs 903 are slidably arranged in the cavities 902, the T-shaped push rods 904 are all installed at the tip of each round plug 903, and each T-shaped push rod 904 all with homonymy cavity 902 sliding connection, all install back top spring 905 between each T-shaped push rod 904 and the homonymy cavity 902, the outside cover of solid fixed ring 901 is equipped with annular pipe 906, and all peg graft between each cavity 902 and the annular pipe 906 and have communicating pipe 907, first normally closed solenoid valve 908 is all installed to the inside of each communicating pipe 907, and each first normally closed solenoid valve 908 all is with controller 15 electric connection, controller 15 can control each first normally closed solenoid valve 908 to start in proper order at 3 seconds clockwise interval, and after the start of the first normally closed solenoid valve 908 of the latter, preceding first normally closed solenoid valve 908 can automatic power off.
The air outlet holes 19 are formed in the cavity walls of each cavity 902, the air outlet normally-open electromagnetic valves 20 connected in series with the first normally-closed electromagnetic valves 908 on the same side are arranged in each air outlet hole 19, when each first normally-closed electromagnetic valve 908 is electrified, the corresponding air outlet normally-open electromagnetic valve 20 is electrified and closed, and after the first normally-closed electromagnetic valve 908 is powered off, the corresponding air outlet normally-open electromagnetic valve 20 is re-opened, so that redundant air in the cavity 902 is discharged rapidly.
The fixed plate 10 is installed at the position of the two side plates 2 above the hollow substrate 3, the electric push rod 11 is fixedly inserted into the end face of the fixed plate 10, the output end of the electric push rod 11 is fixedly connected with the top of the hollow substrate 3, the air supply mechanism 12 is installed on the end face of the fixed plate 10, the air outlet end of the air supply mechanism 12 is communicated with the pushing mechanism 9, the air supply mechanism 12 comprises an air pump 121 fixedly arranged on the end face of the fixed plate 10, an air pipe 122 is fixedly arranged at the air outlet end of the air pump 121, the air pipe 122 is communicated with the annular pipe 906, an air suction pipe 123 is fixedly arranged at the suction end of the air pump 121, an exhaust pipe 124 is fixedly inserted into the pipe wall of the air pipe 122, an exhaust normally-open electromagnetic valve 125 is installed in the exhaust pipe 124, a second electromagnetic valve 126 is installed in the air pipe 122, the air pump 121, the normally-open electromagnetic valve 125 and the second normally-closed electromagnetic valve 126 are electrically connected with the controller 15, and air conveyed by the work of the air pump 121 can be discharged through the air pipe 122 and the exhaust pipe 124, and when the normally-open electromagnetic valve 125 and the second electromagnetic valve 126 are electrified to work, the air can enter the interior of the annular pipe 906.
The end face of the fixing plate 10 is provided with a comparison mechanism 13, the comparison mechanism 13 is communicated with the air supply mechanism 12, the comparison mechanism 13 is electrically connected with the two light detection mechanisms 4, a controller 15 and a buzzer 16 are arranged between the two side plates 2, the comparison mechanism 13 is electrically connected with the buzzer 16 through the controller 15, the comparison mechanism 13 comprises a column body 131 fixedly arranged on the end face of the fixing plate 10, the interior of the column body 131 is provided with a head cavity 132 and a tail cavity 133, the interiors of the head cavity 132 and the tail cavity 133 are respectively provided with a piston plate 134 in a sliding manner, a reset spring 135 is respectively fixedly arranged between the head cavity 132, the tail cavity 133 and the piston plates 134 on the same side, the upper ends of the two piston plates 134 are respectively fixedly provided with an insulating support 136, the side wall of one insulating support 136 is provided with a conductive block 137, and the side wall of another insulating support frame 136 is provided with and electrically conducts the post 138 of piece 137 assorted, the bar through-hole 139 has been offered jointly to the chamber wall in first chamber 132 and tail chamber 133, electrically conducts the inboard setting that piece 137 and electrically conducts the post 138 all is located bar through-hole 139, the top fixed mounting of post 131 has and electrically conducts the electromagnetic switch 17 of piece 137 and electrically conducts post 138 electric connection, and electromagnetic switch 17 passes through controller 15 and buzzer 16 electric connection, first chamber 132 and tail chamber 133 install the intercommunication subassembly 18 jointly with gas-supply pipe 122, when the displacement distance of two insulating support frames 136 is the same, electrically conduct the post 138 can not contact with electrically conductive piece 137, when the distance of moving up of the insulating support frame 136 in the inside of tail chamber 133 is greater than the insulating support frame 136 in first chamber 132, electrically conducts the post 138 can contact with electrically conductive piece 137, electromagnetic switch 17 magnetism is closed this moment.
The communication assembly 18 comprises an air cavity 181 arranged in the fixing plate 10, round holes 182 communicated with the air cavity 181 are formed in the head cavity 132 and the tail cavity 133, a head normally-closed electromagnetic valve 183 is arranged in the round holes 182 communicated with the head cavity 132, a tail normally-closed electromagnetic valve 184 is arranged in the round holes 182 communicated with the tail cavity 133, a transverse tube 185 is fixedly inserted between the air cavity 181 and the air conveying pipe 122, a third normally-closed electromagnetic valve 186 electrically connected with the controller 15 is arranged in the transverse tube 185, an air pressure hole 187 is formed in the bottom of the air cavity 181, an air pressure valve 188 is arranged in the air pressure hole 187, the head normally-closed electromagnetic valve 183 and the tail normally-closed electromagnetic valve 184 are electrically connected with corresponding photoconductive detectors 404 through the controller 15, the opening degree of the head normally-closed electromagnetic valve 183 and the tail normally-closed electromagnetic valve 184 are related to the current which is introduced into the air conditioner, the larger the opening degree is, the valve plate of the air pressure valve 188 is pushed away under the action of air pressure, and the valve plate is reset under the action of an elastic element of the air pressure recovery.
The suction end of the air supply mechanism 12 and the hollow substrate 3 are jointly provided with the adsorption mechanism 14, the adsorption mechanism 14 is used for adsorbing the fallen ink materials, the adsorption mechanism 14 comprises a plurality of adsorption pipes 141 fixedly inserted into the bottom of the hollow substrate 3, the adsorption pipes 141 are fixedly communicated with the hollow ribbon board 142 jointly, the end face of the hollow ribbon board 142 is fixedly inserted with a connecting pipe 143, the air suction pipe 123 and the connecting pipe 143 are jointly provided with a detachable filter 144, the filter 144 can intercept solid particles in the air, a person needs to detach the filter 144 for cleaning at regular intervals, and the filter 144 is of the prior art, so that details are not repeated herein.
The principle of operation of the present invention will now be described as follows: the test bench 1 is arranged at a proper position between the UV curing equipment and the winding equipment, and the cured film type printed product passes through the upper part of the test bench 1 to cover the test bench 1, and then the power end of the controller 15 is connected;
When the product is to be subjected to spot inspection, the winding of the winding device is stopped, the light inspection button at the feeding end of the controller 15 is pressed, the controller 15 immediately controls the LED lamp panel 402 at the feeding end side of the test bench 1 to work, the light irradiated by the LED lamp panel 402 passes through the corresponding transparent plate 405 and is projected to the corresponding photoconductive detector 404, the light intensity of the ink projected to the photoconductive detector 404 at the feeding end side of the test bench 1 corresponds to the state before the product is tested for ink adhesion because the ink on the product is not rubbed off, the controller 15 controls the LED lamp panel 402 at the feeding end side of the test bench 1 to work for 5 seconds, the air pump 121, the air exhaust normally-open electromagnetic valve 125 in the air exhaust pipe 124, the second normally-closed electromagnetic valve 126 in the air transmission pipe 122 and the third normally-closed electromagnetic valve 186 in the transverse pipe 185 are immediately started, and the controller 15 simultaneously connects the connection loop between the head normally-closed electromagnetic valve 183 inside the round hole 182 and the photoconductive detector 404 at one side of the feeding end of the test bench 1, at this time, the air conveyed by the air pump 121 enters the air cavity 181 through the air pipe 122 and the transverse pipe 185, then enters the head cavity 132 through the head normally-closed electromagnetic valve 183, the opening degree of the head normally-closed electromagnetic valve 183 is related to the resistance value of the corresponding photoconductive detector 404, the larger the light intensity received by the photoconductive detector 404 is, the smaller the resistance value of the head normally-closed electromagnetic valve is, the larger the current flowing into the head normally-closed electromagnetic valve 183 is, the larger the opening degree of the head normally-closed electromagnetic valve 183 is, the more air entering the head cavity 132 is, otherwise, the smaller the opening degree of the head normally-closed electromagnetic valve 183 is, the redundant air conveyed by the air pump 121 is flushed out of the air pressure valve 188 inside the air pressure hole 187, the air entering the head cavity 132 can push the piston plate 134 inside the head cavity 132 to move upwards, two conductive blocks 137 can be driven to synchronously move upwards through corresponding insulating support frames 136, and after the controller 15 starts the air pump 121 for 8 seconds, the controller 15 can stop the air pump 121, the exhaust normally-open electromagnetic valve 125, the third normally-closed electromagnetic valve 186, the head normally-closed electromagnetic valve 183, the LED lamp panel 402 and the photoconductive detector 404;
subsequently, the external winding equipment is controlled to work, the area of the product irradiated by the LED lamp panel 402 at the feeding end side of the test bench 1 is moved to the lower part of the hollow substrate 3, at this time, a friction button on the controller 15 is pressed, at this time, the controller 15 immediately controls the electric push rod 11 to perform the process work for 2 seconds at regular time, the electric push rod 11 can drive the hollow substrate 3 to move downwards and enable the friction steel balls 5 to contact the surface of the product, after the electric push rod 11 finishes the regular work, the controller 15 immediately starts the air pump 121, the air exhaust normally-open electromagnetic valve 125 inside the exhaust pipe 124 and the second normally-closed electromagnetic valve 126 inside the air pipe 122 to work, and simultaneously controls the first normally-closed electromagnetic valve 908 inside one of the communicating pipes 907 to be electrified, at this time, the air conveyed by the air pump 121 enters the annular pipe 906 through the air pipe 122 and enters the cavity 902 opened by the first normally-closed electromagnetic valve 908, under the action of air pressure, air pushes the round plug 903 to drive the T-shaped push rod 904 to move outwards, the T-shaped push rod 904 pushes the T-shaped column 7 to drive the driving plate 6 to move synchronously, under the action of friction force, the driving plate 6 can enable all friction steel balls 5 to rotate synchronously, after the controller 15 controls one of the first normally closed electromagnetic valves 908 to be electrified for 3 seconds, the controller 15 takes the first normally closed electromagnetic valve 908 as an initial point, the rest first normally closed electromagnetic valves 908 are started clockwise, the starting interval is 3 seconds, after the next first normally closed electromagnetic valve 908 is started, the previous first normally closed electromagnetic valve 908 is automatically powered off until all the first normally closed electromagnetic valves 908 are started once, so that a single cycle of the first normally closed electromagnetic valves 908 is ended, then the controller 15 controls the first normally closed electromagnetic valve 908 at the initial point to be electrified again to start a new cycle, when each first normally-closed electromagnetic valve 908 is electrified, the corresponding T-shaped push rod 904 is ejected, and the orientations of the T-shaped push rods 904 are different, so that the T-shaped column 7 can drive the driving plate 6 to move in different directions, and therefore, each friction steel ball 5 can roll in different directions at the same position, further, the adhesion firmness of product ink in different directions can be tested, and after the 5-round circulation is finished, the controller 15 can close the exhaust normally-open electromagnetic valve 125, the second normally-closed electromagnetic valve 126 and each first normally-closed electromagnetic valve 908;
Then, the external winding device is controlled to work again, so that the product region to be tested moves to the mounting groove 401 at one side of the discharge end of the test bench 1, and in the process, the suction end of the air pump 121 can pass through the hollow slat 142 and the connecting pipe 143, so that the pipe ends of the adsorption pipes 141 generate negative pressure suction, and the ink which is possibly fallen off can be adsorbed into the filter 144;
After the product is moved to the mounting groove 401 at one side of the discharge end of the test board 1 by the area, a discharge end light detection button on the controller 15 is pressed, at this time, the controller 15 controls the LED lamp panel 402 at one side of the discharge end of the test board 1 to work, light rays irradiated by the LED lamp panel 402 penetrate through the corresponding transparent plate 405 and are projected to the corresponding photoconductive detector 404, at this time, two conditions are generated, namely, the adhesive force of the ink is qualified, no falling phenomenon occurs, at this time, since the ink does not fall off, the light intensity of the light rays emitted by the LED lamp panel 402 at one side of the discharge end of the test board 1 projected to the corresponding photoconductive detector 404 is the same as the light intensity of the light rays projected to the corresponding photoconductive detector 404 during the light detection at the feed end, if the ink falls off under the action of the friction steel balls 5, the light intensity of the LED lamp panel 402 projected to the ink falling point of the film product is larger because the blocking of the ink is lost, and the light intensity projected to the corresponding photoconductive detector 404 is also increased synchronously;
After the controller 15 controls the LED lamp panel 402 at the discharge end side of the test bench 1 to work for 5 seconds, the air pump 121, the air exhaust normally-open electromagnetic valve 125 in the air exhaust pipe 124, the second normally-closed electromagnetic valve 126 in the air transmission pipe 122 and the third normally-closed electromagnetic valve 186 in the transverse pipe 185 are immediately started, and the controller 15 simultaneously connects the connection loop between the tail normally-closed electromagnetic valve 184 in the round hole 182 and the photoconductive detector 404 at the discharge end side of the test bench 1, at this time, the air conveyed by the air pump 121 enters the tail cavity 133 through the tail normally-closed electromagnetic valve 184, if no ink drop phenomenon occurs, because the light intensity of the photoconductive detector 404 irradiated to the discharge end side of the test bench 1 is the same as that of the feed end side, after the controller 15 starts the air pump 121 to work for 8 seconds, the controller 15 shuts down the air pump 121, the air exhaust normally-open electromagnetic valve 125, the second normally-closed electromagnetic valve 126, the third normally-closed electromagnetic valve 186, the LED lamp panel 402 and the photoconductive detector 404, in the same 8 seconds, the air amount of the air fed by the air pump 121 entering the tail cavity 133 through the tail normally-closed electromagnetic valve 184 is the same as that of the head cavity 132, at this time, the upward moving heights of the insulating support frames 136 in the head cavity 132 and the tail cavity 133 are the same, so that the conductive column 138 is not contacted with the conductive block 137, if the ink drop phenomenon occurs, the light intensity of the photoconductive detector 404 projected to the discharge end side of the test bench 1 becomes large, so that the current passing through the inside of the tail normally-closed electromagnetic valve 184 increases, at this time, the opening degree of the tail normally-closed electromagnetic valve 184 increases, so that the air amount entering the inside of the tail cavity 133 increases in the same 8 seconds working time, thereby causing the upward moving distance of the insulating support frames 136 in the tail cavity 133 to be higher than that of the insulating support frames 136 in the head cavity 132, so that the conductive column 138 is contacted with the conductive block 137, and then the electromagnetic switch 17 is electrified, after the controller 15 receives the electric signal of the electromagnetic switch 17, the buzzer 16 is immediately controlled to perform a ringing alarm operation, at this time, the defect that the adhesive force of the ink at the position of the product is unqualified is described, a person should immediately confirm whether the product is subjected to the ink shedding phenomenon or not, and timely confirm the reason of the ink shedding so as to reduce the output of the unqualified product, if the buzzer 16 does not work, the person continues to start external winding equipment, so that the product continues to perform the ink printing process, before the single test is finished, the controller 15 also controls the head normally-closed electromagnetic valve 183 and the tail normally-closed electromagnetic valve 184 in the two round holes 182 to work for 5 seconds at regular time, so that redundant air in the head cavity 132 and the tail cavity 133 is discharged through the air pressure hole 187, and the next test contrast is not affected.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The device for testing the adhesive force of printing ink on a UV spray product comprises a test bench (1), and is characterized in that two side plates (2) are fixedly arranged on the end face of the test bench (1), a hollow base plate (3) is arranged between the two side plates (2), a light detection mechanism (4) is arranged at the positions of the two sides of the hollow base plate (3) of the test bench (1), a plurality of friction steel balls (5) are rotatably arranged on the lower end face of the hollow base plate (3), a driving plate (6) is arranged above the friction steel balls (5), a T-shaped column (7) is fixedly arranged at the upper end of the driving plate (6), a plurality of balls (8) are rotatably arranged at the top of the T-shaped column (7), the T-shaped column (7) is movably arranged inside the hollow base plate (3) through the balls (8), a pushing mechanism (9) is arranged at the inner top of the hollow base plate (3), the pushing mechanism (9) is used for pushing the T-shaped column (7) to move from a plurality of directions, an electric push rod (10) is arranged at the position of the upper side plate (3) of the hollow base plate, an electric push rod (11) is fixedly connected with the top of the electric push rod (11), and the electric push rod (11) is fixedly connected with the top end face of the electric push rod (11), the end face of the fixed plate (10) is provided with an air supply mechanism (12), the air outlet end of the air supply mechanism (12) is communicated with the pushing mechanism (9), the end face of the fixed plate (10) is provided with a comparison mechanism (13), the comparison mechanism (13) is communicated with the air supply mechanism (12), the comparison mechanism (13) is electrically connected with the two light detection mechanisms (4), the air suction end of the air supply mechanism (12) and the hollow substrate (3) are jointly provided with an adsorption mechanism (14), the adsorption mechanism (14) is used for adsorbing the fallen ink materials, a controller (15) and a buzzer (16) are arranged between the two side plates (2), and the comparison mechanism (13) is electrically connected with the buzzer (16) through the controller (15);
The two light detection mechanisms (4) comprise mounting grooves (401) formed in the end faces of the test bench (1), LED lamp panels (402) are fixedly mounted at the bottoms of the mounting grooves (401), insulating groove plates (403) are fixedly mounted at positions, above the mounting grooves (401), of the two side plates (2), photoconductive detectors (404) are mounted in the insulating groove plates (403), transparent plates (405) are packaged in the grooves of the insulating groove plates (403) and the mounting grooves (401), and the LED lamp panels (402) and the two photoconductive detectors (404) are electrically connected with the controller (15);
The pushing mechanism (9) comprises a fixed ring (901) sleeved on the outer side of a T-shaped column (7), the fixed ring (901) is fixedly arranged on the inner top of a hollow substrate (3), a plurality of cavities (902) are formed in the fixed ring (901), round plugs (903) are slidably arranged in the cavities (902), T-shaped push rods (904) are mounted at the end parts of the round plugs (903), the T-shaped push rods (904) are slidably connected with the cavities (902) on the same side, return springs (905) are mounted between the T-shaped push rods (904) and the cavities (902) on the same side, an annular pipe (906) is sleeved on the outer side of the fixed ring (901), communicating pipes (907) are inserted between the cavities (902) and the annular pipes (906), first normally-closed electromagnetic valves (908) are mounted in the interiors of the communicating pipes (907), and the first normally-closed electromagnetic valves (908) are electrically connected with a controller (15).
2. The printing ink adhesion testing device on a UV spraying product according to claim 1, wherein the air supply mechanism (12) comprises an air pump (121) fixedly arranged on the end face of the fixing plate (10), an air pipe (122) is fixedly arranged at the air outlet end of the air pump (121), the air pipe (122) is communicated with an annular pipe (906), an air suction pipe (123) is fixedly arranged at the air suction end of the air pump (121), an exhaust pipe (124) is fixedly inserted into the pipe wall of the air pipe (122), an exhaust normally-open electromagnetic valve (125) is arranged in the exhaust pipe (124), a second normally-closed electromagnetic valve (126) is arranged in the air pipe (122), and the air pump (121), the exhaust normally-open electromagnetic valve (125) and the second normally-closed electromagnetic valve (126) are electrically connected with the controller (15).
3. The device for testing adhesion force of printing ink on a UV spraying product according to claim 2, wherein the comparing mechanism (13) comprises a column body (131) fixedly arranged on the end face of the fixing plate (10), a head cavity (132) and a tail cavity (133) are arranged in the column body (131), piston plates (134) are slidably arranged in the head cavity (132) and the tail cavity (133), return springs (135) are fixedly arranged between the head cavity (132) and the tail cavity (133) and the piston plates (134) on the same side, insulating supporting frames (136) are fixedly arranged at the upper ends of the two piston plates (134), conductive blocks (137) are arranged on the side wall of one insulating supporting frame (136), conductive columns (138) matched with the conductive blocks (137) are arranged on the side wall of the other insulating supporting frame (136), strip-shaped through holes (139) are jointly formed in the cavity walls of the head cavity (132) and the tail cavity (133), the conductive blocks (137) and the conductive columns (138) are arranged on the inner sides of the through holes (139), the conductive blocks (131) and the conductive blocks (138) are fixedly connected with the electromagnetic columns (17) through the electromagnetic switch (17) and the electromagnetic switch (17) electrically connected with the electromagnetic switch (17), the head cavity (132) and the tail cavity (133) are provided with a communication assembly (18) together with the gas pipe (122).
4. A printing ink adhesion testing device on a UV spraying product according to claim 3, wherein the communication component (18) comprises an air cavity (181) formed in the fixing plate (10), round holes (182) communicated with the air cavity (181) are formed in the head cavity (132) and the tail cavity (133), a head normally-closed electromagnetic valve (183) is mounted in the round holes (182) communicated with the head cavity (132), a tail normally-closed electromagnetic valve (184) is mounted in the round holes (182) communicated with the tail cavity (133), a transverse pipe (185) is fixedly inserted between the air cavity (181) and the air pipe (122), a third normally-closed electromagnetic valve (186) electrically connected with the controller (15) is mounted in the inner portion of the transverse pipe (185), an air pressure hole (188) is formed in the bottom of the air cavity (181), and an air pressure valve (188) is mounted in the inner portion of the air pressure hole (187), and the head normally-closed electromagnetic valve (183) and the tail normally-closed electromagnetic valve (184) are electrically connected with the corresponding detector (404) through the controller (15).
5. The device for testing the adhesion force of printing ink on a UV spraying product according to claim 2, wherein the adsorption mechanism (14) comprises a plurality of adsorption tubes (141) fixedly inserted into the bottom of the hollow substrate (3), the adsorption tubes (141) are fixedly communicated with a hollow slat (142) together, the end face of the hollow slat (142) is fixedly inserted with a connecting tube (143), and the air suction tube (123) and the connecting tube (143) are jointly provided with a detachable filter (144).
6. The device for testing the adhesion force of printing ink on a UV-sprayed product according to claim 1, wherein the cavity walls of each cavity (902) are provided with air outlet holes (19), and an air outlet normally-open electromagnetic valve (20) connected in series with a first normally-closed electromagnetic valve (908) at the same side is arranged inside each air outlet hole (19).
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| CN202410247933.4A CN117825271B (en) | 2024-03-05 | 2024-03-05 | Printing ink adhesive force testing device on UV spraying product |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410247933.4A CN117825271B (en) | 2024-03-05 | 2024-03-05 | Printing ink adhesive force testing device on UV spraying product |
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| CN117825271B true CN117825271B (en) | 2024-05-14 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103965684A (en) * | 2014-04-23 | 2014-08-06 | 中山火炬职业技术学院 | High-adhesion oxidation-resisting UV-curable ink and preparation method thereof |
| CN218444963U (en) * | 2022-09-27 | 2023-02-03 | 合肥市科胜印刷材料有限公司 | Wear-resisting testing arrangement of screen printing ink for printing ink processing |
| CN218512291U (en) * | 2022-10-26 | 2023-02-21 | 兴科电子(东莞)有限公司 | Printing ink adhesive force testing arrangement on UV spraying product |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6755518B2 (en) * | 2001-08-30 | 2004-06-29 | L&P Property Management Company | Method and apparatus for ink jet printing on rigid panels |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103965684A (en) * | 2014-04-23 | 2014-08-06 | 中山火炬职业技术学院 | High-adhesion oxidation-resisting UV-curable ink and preparation method thereof |
| CN218444963U (en) * | 2022-09-27 | 2023-02-03 | 合肥市科胜印刷材料有限公司 | Wear-resisting testing arrangement of screen printing ink for printing ink processing |
| CN218512291U (en) * | 2022-10-26 | 2023-02-21 | 兴科电子(东莞)有限公司 | Printing ink adhesive force testing arrangement on UV spraying product |
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