CN113715498B - Print printing machine and working method thereof - Google Patents
Print printing machine and working method thereof Download PDFInfo
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- CN113715498B CN113715498B CN202111008930.8A CN202111008930A CN113715498B CN 113715498 B CN113715498 B CN 113715498B CN 202111008930 A CN202111008930 A CN 202111008930A CN 113715498 B CN113715498 B CN 113715498B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
Abstract
The invention belongs to the technical field of art tools, and particularly relates to a woodcut printing machine and a working method thereof. This print printing machine includes: the paper feeding mechanism is arranged on one side of the workbench, the paper discharging mechanism and the horizontal pushing mechanism are oppositely arranged on the other two sides of the workbench, the positioning mechanism is arranged between the workbench and the paper discharging mechanism, the printing mechanism is arranged on one side of the positioning mechanism, and the coloring mechanism is arranged above the positioning mechanism; wherein the paper feeding mechanism is suitable for conveying and flatly paving the paper plate on the workbench; the horizontal pushing mechanism is suitable for pushing the paper plate into the positioning mechanism; the positioning mechanism is suitable for pressing the paper plate; the coloring mechanism is suitable for pressing the paper plate downwards to match with the printing paper plate. The print printing machine and the working method thereof realize the continuous production of print printing, and have the advantages of high automation level, simple printing process, good printing quality and the like.
Description
Technical Field
The invention belongs to the technical field of art tools, and particularly relates to a print printer and a working method thereof.
Background
During the woodcut printing, need draw preliminary image on the drawing manuscript, accomplish the drawing manuscript after, according to drawing manuscript shape, carve again on each mould, form hollow out construction, the mould can be the PVC board, also can be plank etc. according to the image colour, the hollow out construction of each mould is different, and the back is accomplished to the mould, needs cover the mould in proper order to printing on same paper. Due to the fact that the printing process of the print is complex, automatic production is difficult to achieve, the print is basically in a production state of manual control, production efficiency is low, and printing quality is uneven.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the automation degree of the print printing is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows: in a first aspect, the present engraving printer comprises: the paper feeding mechanism is arranged on one side of the workbench, the paper discharging mechanism and the horizontal pushing mechanism are oppositely arranged on the other two sides of the workbench, the positioning mechanism is arranged between the workbench and the paper discharging mechanism, the printing mechanism is arranged on one side of the positioning mechanism, and the coloring mechanism is arranged above the positioning mechanism; wherein the paper feeding mechanism is suitable for conveying and flatly paving the paper plate on the workbench; the horizontal pushing mechanism is suitable for pushing the paper plate into the positioning mechanism; the positioning mechanism is suitable for pressing the paper plate; the coloring mechanism is suitable for pressing the paper plate downwards so as to print the paper plate by matching with the printing mechanism;
the positioning mechanism comprises a printing platform, a limiting frame positioned on the printing platform, a step surface arranged on the limiting frame, a pressing plate positioned on the printing platform and a plurality of first electromagnets embedded in the pressing plate; the step surface is of a structure surrounding the printing area, and the two opposite sides of the limiting frame are provided with a paper inlet and a paper outlet; the paper feeding port horizontally faces the workbench; the paper outlet faces the paper outlet mechanism horizontally; the pressure plate is connected to the limiting frame through an elastic piece so as to be higher than the step surface; a paper inlet horizontally facing the workbench is formed in the side surface of the limiting frame so that a paper plate can enter and be flatly laid on the step surface; the other side surface of the limiting frame is provided with a paper outlet facing the paper outlet mechanism so as to be suitable for the paper plate to be separated and enter the paper outlet mechanism; and the first electromagnet is suitable for generating magnetic attraction on the step surface when being electrified so as to enable the pressing plate to move downwards and press the paper plate on the step surface.
Furthermore, the positioning mechanism also comprises a positioning driving component used for moving the limiting frame; a sliding rail vertical to the entering direction of the paper plate is arranged on the printing platform; the bottom of the limiting frame is provided with a sliding chute matched with the sliding rail; the positioning driving assembly is suitable for driving the limiting frame to move along the sliding rail so as to adjust the relative position of the paper plate and the printing area.
Further, the printing mechanism comprises a printing cylinder, a mold mounting plate positioned on the printing cylinder, a printing mold positioned on the mold mounting plate, and a second electromagnet positioned on the printing mold; the printing cylinder is suitable for driving a printing mold to horizontally move to enter the mold inlet and outlet and is positioned below the paper plate so as to generate magnetic attraction when the second electromagnet and the first electromagnet are electrified.
Further, the horizontal pushing mechanism comprises a horizontal pushing cylinder, a flat plate positioned on the horizontal pushing cylinder, and a plurality of adsorption holes positioned on the surface of the flat plate; the flat-plate internal cavity forms negative pressure through the exhaust fan, the paper plate is adsorbed on the flat-plate surface through the adsorption hole, and the horizontal pushing cylinder is suitable for bringing the paper plate from the paper inlet to the step surface through the flat plate.
Further, the lower surface of the flat plate is 5-10mm away from the table top of the workbench, so that the flat plate is suitable for being inserted into the hollow interior of the step surface from the opening of the ] shaped structure; after the flat plate enters the positioning mechanism, the processor module closes the exhaust fan, the paper plate is separated from the flat plate and falls into the paper discharging mechanism, and the processor module controls the flat push cylinder to reset.
Further, the coloring mechanism comprises a mechanical arm and a coloring roller, wherein the mechanical arm drives the coloring roller to roll on the paper plate so as to print pattern pigments on the printing mold on the paper plate.
In a second aspect, the method of operation of the present engraving press comprises: conveying and flatly paving the paper board on the workbench through the paper feeding mechanism; sucking up the paper plate through a horizontal pushing mechanism and pushing the paper plate into a positioning mechanism; pushing the printing mould into the positioning mechanism through the printing mechanism; pressing the paper plate through a positioning mechanism; rolling the paper plate by a coloring mechanism; the paper plate is sucked up by the horizontal pushing mechanism and pushed out of the positioning mechanism; and drying the pigment on the paper plate through the paper discharging mechanism and sending out the pigment.
The invention has the beneficial effects that: the print printing device of the invention firstly conveys and flatly lays the paper plate on the workbench through the paper feeding mechanism, then pushes the paper plate into the positioning mechanism through the flat pushing mechanism to compress and position the paper plate, then presses the paper plate to complete coloring through the coloring mechanism, and then makes the paper plate separate from the positioning mechanism through the flat pushing mechanism after printing is completed, and finally enters the paper discharging mechanism, thereby realizing continuous production of print printing of prints.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and only illustrates the basic structure of the present invention in a schematic manner, and therefore it only shows the constitution related to the present invention.
FIG. 1 is a schematic view of a layout printer;
FIG. 2 is a schematic view of the positioning mechanism;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic structural view of a static discharge assembly;
FIG. 5 is a schematic view of a printing mechanism;
FIG. 6 is a schematic view of the structure of the paper discharge mechanism;
fig. 7 is a schematic structural view of the horizontal pushing mechanism.
In the figure:
the device comprises a workbench 1, a baffle 11 and a placing station 12;
the paper feeding mechanism 2, a paper feeding bracket 21, a paper feeding rotating roller 22, a paper feeding transmission belt 23, a static electricity removing component 24, a static electricity removing bracket 241, an ion wind rod 242 and a static electricity removing brush 243;
the paper discharging mechanism 3, the paper discharging bracket 31, the paper discharging conveying wheel 32, the paper discharging conveying belt 33, the hollow area 331 of the paper discharging conveying belt 33 and the heating pipe 34;
a horizontal pushing mechanism 4, a horizontal pushing cylinder 41, a flat plate 42 and an adsorption hole 421;
the positioning mechanism 5, the printing platform 51, the slide rail 512, the limiting frame 52, the paper inlet 521, the chute 522, the paper outlet 523, the locking screw 524, the positioning block 525, the step surface 53, the mold inlet and outlet 531, the pressing plate 54, the first electromagnet 541, the elastic piece 542, the mounting surface 543 and the pressing surface 544;
a coloring mechanism 6, a mechanical arm 61 and a coloring roller 62;
the printing mechanism 7, the printing cylinder 71, the die mounting plate 72, the printing die 73, and the second electromagnet 731;
and a paperboard plate 8.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a plate printing machine including: the paper-feeding mechanism comprises a workbench 1, a paper-feeding mechanism 2 arranged at one side of the workbench 1, a paper-discharging mechanism 3 and a horizontal pushing mechanism 4 which are oppositely arranged at the other two sides of the workbench 1, a positioning mechanism 5 between the workbench 1 and the paper-discharging mechanism 3, a printing mechanism 7 arranged at one side of the positioning mechanism 5, and a coloring mechanism 6 arranged above the positioning mechanism 5. Specifically, the process steps of printing the paper plate 8 by the engraving printer, namely the working method of the engraving printer, are as follows: s1, paper feeding is carried out, and a paper plate 8 is conveyed and flatly laid on a workbench 1 through a paper feeding mechanism 2; s2, paper feeding is carried out, and the paper plate 8 is sucked up through the horizontal pushing mechanism 4 and pushed into the positioning mechanism 5; s3, performing mold feeding action, wherein the printing mechanism 7 pushes a printing mold into the positioning mechanism 5; s4, positioning, namely pressing and positioning the paper plate 8 by the positioning mechanism 5; s5, coloring, namely rolling the paper plate 8 through a coloring mechanism 6; s6, paper discharging action, namely sucking up the paper plate 8 through the horizontal pushing mechanism 4 and pushing the paper plate out of the positioning mechanism 5; and S7, drying, namely drying and delivering the pigment on the paper plate 8 through the paper delivery mechanism 3.
In the scheme, the thickness of a paper plate 8 selected for print printing is generally 0.3-2mm, and the paper plate has certain rigidity and toughness and is suitable for plane pushing and conveying by a conveying belt. The paper plate 8 can be printed in the printing area in the middle in the printing process, and some non-printing areas are reserved in the printing area in an additional surrounding mode and used as fixing, clamping, taking and other parts.
As an alternative embodiment of the paper feeding mechanism 2, see fig. 1, the paper feeding mechanism 2 includes a paper feeding bracket 21, a paper feeding transmission belt 23 mounted on the paper feeding bracket 21 via a paper feeding rotating roller 22, and a paper feeding motor for driving the paper feeding transmission belt 23 to move. One side of the workbench 1 opposite to the paper feeding mechanism 2 is provided with a baffle 11 to form a placing station 12 with the table top of the workbench 1, and the paper feeding transmission belt 23 is slightly higher than the workbench 1 or flush with the workbench 1 so as to convey the paper plate 8 to the placing station 12. The paper feeding transmission belt 23 is installed on one side of the workbench 1 and can be connected with the workbench 1 through the static eliminating assembly 24. The static electricity eliminating component 24 comprises a static electricity eliminating support 241 movably arranged on the side surface of the workbench 1, an ion wind rod 242 and a static electricity eliminating brush 243 which are arranged on the static electricity eliminating support 241 side by side. The ion wind rod 242 and the static removing brush 243 are sequentially arranged along the paper feeding direction, wherein the ion wind rod 242 is, for example, but not limited to, an ST-503A static removing rod located below the paper plate 8, and the air outlet thereof is inclined towards the paper feeding direction of the paper plate to eject high-pressure ions towards the bottom (printing surface) of the paper plate 8. The static removing brush 243, such as but not limited to TR-01 superconducting carbon fiber static removing brush, may be mounted on the static removing bracket 241 through a rotating shaft. The static removing brush 243 is clamped in the gap between the paper feeding transmission belt 23 and the workbench 1, can cover the gap between the paper feeding transmission belt 23 and the workbench 1, and can rotate along with the paper plate 8. The static electricity removing support 241 is locked in a sliding groove in the side wall of the workbench 1 through a bolt, and the height of the static electricity removing support can be adjusted manually, so that the top of the carbon fiber brush is 1-5mm higher than a paper feeding transmission belt, the angle of the paper plate 8 entering the workbench 1 is adjusted during paper feeding, and the paper plate 8 can be ensured to be in contact with the static electricity removing brush 243 to remove static electricity and can be tiled on the workbench 1.
As an alternative embodiment of the horizontal pushing mechanism 4, see fig. 7, the horizontal pushing mechanism 4 includes a horizontal pushing cylinder 41, a flat plate 42 located on the horizontal pushing cylinder 41, and a plurality of suction holes 421 located on the surface of the flat plate 42. The flat plate 42 is hollow and is positioned right above the placing station 12, and the inner cavity of the flat plate is communicated with an exhaust fan; when the paperboard 8 enters from the paper feeding mechanism 2 on the placing station 12, the exhaust fan of the paperboard 8 exhausts air to enable the inner cavity of the flat plate 42 to form negative pressure so as to adsorb the paperboard 8 on the surface of the flat plate 42 through the adsorption hole 421, the flat push cylinder 41 drives the flat plate 42 to move above the workbench 1, and the paperboard enters the positioning mechanism 5 from the paper feeding port 521 of the positioning mechanism 5. Optionally, the lower surface of the flat plate 42 is 5-10mm away from the table top of the workbench 1. Optionally, the print printing machine is adapted to be controlled by a processor module, and the placement station 12 is provided with a first photoelectric switch connected to the processor module, where the first photoelectric switch includes a transmitter and a receiver respectively located above and below the workbench 1; the through hole is formed in the corner of the placing station 12, when the paper plate 8 is located on the placing station 12, the paper plate 8 covers the through hole, so that the receiver cannot receive photoelectric signals sent by the emitter, the processor module judges that the first photoelectric switch is in an off state at the moment, the exhaust fan is controlled to adsorb the paper plate 8 on the surface of the flat plate 42, then the flat push cylinder 41 is controlled to move the flat plate 42 and the paper plate 8 adsorbed on the flat plate 42 together, the paper enters the positioning mechanism 5 from the paper inlet 521 of the positioning mechanism 5, the exhaust fan is closed by the processor module at the moment, the paper plate 8 is separated from the flat plate 42 and falls onto the step surface 53 of the positioning mechanism 5, and the processor module controls the flat push cylinder 41 to reset so that the flat plate 42 is drawn out of the positioning mechanism 5. After printing is finished, the processor controls the flat push cylinder 41 to drive the flat plate 42 to enter the positioning mechanism 5, the exhaust fan is started to adsorb the paper plate 8 on the flat plate 42, then the flat push cylinder 41 is controlled to drive the flat plate 42 to continue moving, the paper plate 8 is sent out to the paper outlet mechanism 3 from the paper outlet 523 on the opposite side of the positioning mechanism 5, the processor module closes the exhaust fan at the moment, the paper plate 8 is separated from the flat plate 42 and falls onto the paper outlet mechanism 3, and the processor controls the flat push cylinder 41 to reset.
As an alternative embodiment of the positioning mechanism 5, see fig. 2 and fig. 3, the positioning mechanism 5 includes a printing platform 51, a limit frame 52 located on the printing platform 51, a step surface 53 located on the limit frame 52, a pressing plate 54 located on the printing platform 51, and a plurality of first electromagnets 541 embedded in the pressing plate 54. The step surface 53 is in a structure surrounding the printing area, and the two opposite sides of the limiting frame 52 are provided with a paper inlet 521 and a paper outlet 523; the paper feeding port 521 horizontally faces the workbench 1; the sheet discharge port 523 faces the sheet discharge mechanism 3 horizontally. The height of the step surface 53 is lower than that of the lower surface of the flat plate 42, so that the flat plate 42 can move to the position right above the step surface 53, and the paper plate 8 can fall onto the step surface 53. The open side of said ] shaped structure is facing the die inlet of the printing means 7 to accommodate the printing die 73 of the printing means 7 into the interior of the step surface 53; the pressure plate 54 is connected to the limiting frame 52 through an elastic member 542 so as to be higher than the step surface 53; the pressing plate 54 is long, and may be 3, and is assembled into a shape corresponding to the step surface 53 through the corresponding elastic member 542. The plate surface of the pressing plate 54 can be divided into a mounting surface 543 for mounting the elastic member 542 and a pressing surface 544 suitable for pressing the paper plate 8; the pressing surface 544 is correspondingly arranged right above the step surface 53, the height distance from the step surface 53 is 20-50mm, and the edge of the step surface 53 protrudes out of the pressing surface 544, so as to reserve a pressing space of the coloring mechanism 6; the mounting surface 543 is located outside the step surface 53 and can be mounted on the limiting frame 52 through an elastic member 542, and the elastic member 542 can be a spring or a resilient sheet. The pressing plates 54 at two sides of the paper inlet 521 and the paper outlet 523 are n-shaped, a gap suitable for a flat plate to pass through is formed between the top of the pressing plates and the step surface 53, and when magnetic attraction is generated between the pressing plates and the step surface, two ends of the n-shaped pressing plates are pressed on the paper plate 8. The second photoelectric switch is arranged on the pressing surface 544 of the step surface 53 and the pressing plate 54, the plane profile of the paper plate 8 is larger than that of the flat plate 42, when the flat plate 42 reaches the upper part of the step surface 53 from the paper inlet 521, the second photoelectric switch on the step surface 53 is disconnected, the exhaust fan is closed by the processor module at the moment, so that the peripheral side of the paper plate 8 falls and is laid on the step surface 53, the processor module controls the horizontal pushing cylinder 41 to reset, then the first electromagnet 541 is started to generate magnetic attraction force on the step surface 53 (the material of the step surface can be magnetic metal, such as iron), so that the pressing plate 54 overcomes the counter-elastic force of the elastic piece 542 to move downwards, so that the peripheral side of the paper plate 8 is pressed on the step surface 53, the middle part (including a printing area) of the paper plate 8 is suspended, the upper part of the paper plate is opposite to the coloring mechanism 6, and the lower part of the paper plate is opposite to the printing mold 73. The second photoelectric switch on the step surface 53 can not only provide instruction judgment, but also detect the position of the paper plate 8. Of course, this effect is directly related to the mounting position of the second photoelectric switch, and therefore, the second photoelectric switch on the step surface 53 is generally mounted at the corner of the step surface 53 in this case.
Further, referring to fig. 2, the positioning mechanism 5 further includes a positioning driving component, such as but not limited to a positioning cylinder, for moving the position-limiting frame 52; the printing platform 51 is provided with a slide rail 512 which is vertical to the entering direction of the paper plate 8; the bottom of the limiting frame 52 is provided with a sliding chute 522 matched with the sliding rail 512; the positioning driving assembly is adapted to drive the limiting frame 52 to move along the sliding rail 512 so as to adjust the relative position between the paper plate 8 and the printing area, and then the limiting frame 52 is locked on the printing platform 51 through the locking screw 524 and the positioning block 525.
As an alternative embodiment of the printing mechanism 7, see fig. 5, the printing mechanism 7 includes a printing cylinder 71, a die mounting plate 72 located on the printing cylinder 71, a printing die 73 located on the die mounting plate 72, and a second electromagnet 731 located on the printing die 73; when putting the paper edition 8 on the second photoelectric switch detection step face, processor module control mould mounting panel 72 printing cylinder 71 pushes away mould mounting panel 72 flatly to drive printing die 73 and get into the inside of step face 53 and be located the below of paper edition 8 from the mould import of step face 53, at this moment, processor module just can open first electro-magnet 541 and second electro-magnet 731, produce magnetic attraction to step face 53 and printing die 73, fix the week side of paper edition 8 on step face 53, just to the top of printing die 73 with the printing area of paper edition 8, wait for the printing action.
Optionally, a pen-type hardness tester connected with the processor is further arranged on the workbench and used for measuring the hardness of the paper plate 8, and the processor module controls the current passing into the first electromagnet 541 and the second electromagnet 731 according to the hardness value of the paper plate 8 so as to control the magnetic attraction of the electromagnet 541 and prevent the pressing plate 54 from deforming.
As an alternative embodiment of the coloring mechanism 6, the coloring mechanism 6 includes a mechanical arm 61 and a coloring roller 62. After the electromagnet 541 paper plate 8 is turned on, the controller module controls the mechanical arm 61 to move downwards, so that the mechanical arm 61 drives the upper color roller 62 to abut against the surface of the paper plate 9 downwards, and then the mechanical arm drives the upper color roller 62 to start horizontal movement so as to roll the upper surface of the paper plate 8, so that the paper plate 8 in the printing area of the lower surface of the paper plate 8 is in contact with the printing mold 73, and the pigment on the printing mold 73 is printed in the printing area of the paper plate 9. After the stamping action is finished, the processor module leads reverse current to the second electromagnet 74 on the printing mold 73, so that repulsive force is generated between the second electromagnet 74 and the first electromagnet 541, the printing mold 73 is separated from a printing area of the paperboard 8, at the moment, the printing air cylinder 71 resets, the printing mold 73 is pulled out from the mold inlet and outlet 531, and another printing mold 73 coated with pigment is replaced manually or in other modes.
Of course, according to the imprinting requirement, the hardness of the paper plate 8 and the three-dimensional printing pattern on the printing mold 73 can be combined, and the pressure of the coloring roller 62 on the paper plate 8 is adjusted, so that the printing pattern with the concave-convex feeling is generated in the printing area of the paper plate 8 during printing.
As an alternative embodiment of the paper discharging mechanism 3, the paper discharging mechanism 3 includes that the paper feeding mechanism 2 includes a paper discharging support 31, a paper discharging conveyor belt 33 mounted on the paper discharging support 31 through a paper discharging conveyor wheel 32, and a paper discharging motor for driving the paper discharging conveyor belt 33 to move. The height of the lower surface of the plate 42 is slightly greater than the height of the upper surface of the discharge conveyor 33, and is generally kept at 10-50mm. A rectangular hollow area 331 is formed in the middle of the paper output conveyor belt 33; the width of the hollowed-out area 331 is smaller than the width of the paper plate 8 and larger than the printing area of the paper plate 8, so that the paper plate 8 is suitable for being placed on the paper discharge transmission belt 33 to be conveyed; the paper outlet support 31 is provided with a heating pipe 34 and a third photoelectric switch which are opposite to the hollow area; when the third photoelectric switch detects that the paper plate 8 falls on the paper output conveyor belt 33, the heating pipe 34 heats the paper plate 8 by baking, and then the paper plate 8 is transported out.
Further, the working method of the woodcut printing machine of the embodiment comprises the following steps: s1, paper feeding is carried out, and a paper plate 8 is conveyed and flatly laid on a workbench 1 through a paper feeding mechanism 2; s2, paper feeding is carried out, and the paper plate 8 is sucked up through the horizontal pushing mechanism 4 and pushed into the positioning mechanism 5; step S3, performing mold feeding action, wherein the printing mechanism 7 pushes the printing mold 73 into the positioning mechanism 5; s4, positioning, namely pressing and positioning the paper plate 8 by the positioning mechanism 5; s5, coloring, namely rolling the paper board 8 through the coloring mechanism 6; s6, coloring for multiple times, and repeating the steps S3-S5 to print multiple patterns on the paper plate 8; s7, paper discharging action, namely sucking up the paper plate 8 through the horizontal pushing mechanism 4 and pushing the paper plate out of the positioning mechanism 5; and S8, drying, namely drying and delivering the pigment on the paper plate 8 through the paper delivery mechanism 3. However, since only the printing die 73 needs to be replaced in step S6, the positioning operation in step S4 does not need to be repeated.
In summary, when printing a print, the print printing machine and the working method thereof firstly transmit and flatly lay the paper plate 8 on the workbench 1 through the paper feeding transmission belt 23; when the first photoelectric switch detects that the paper edition 8 exists in the placing station 12, the processor module controls the exhaust fan to adsorb the paper edition 8 on the flat plate 42, then controls the horizontal pushing cylinder 41 to push the flat plate 42 into the upper side of the step surface 53 from the paper feeding opening 521, when the second photoelectric switch on the step surface 53 detects the paper edition 8, the processor module controls the exhaust fan to be closed, the paper edition 8 is separated from the flat plate 42 and falls onto the step surface, and the processor module controls the horizontal pushing cylinder 41 to reset; meanwhile, the processor module controls the printing air cylinder 71 to push the printing mold 73 into the step surface 53 from the mold inlet and outlet 531; then the processor module respectively starts a first electromagnet 541 on the pressing plate 54 and a second electromagnet 731 on the printing mold 73, so that the pressing plate 54, the printing mold 73 and the step surface 53 respectively generate magnetic attraction to fix the paper plate 8 on the step surface 53; then the processor module opens the mechanical arm 61 to drive the coloring roller 62 to move downwards, so that the coloring roller 62 rolls on the upper surface of the paper plate 8 horizontally, the pigment on the printing die 73 is printed in a printing area on the lower surface of the paper plate 8, and the printed patterns are more complete and clear; after one-time printing is finished, the processor module stops the movement of the mechanical arm 61, and controls the second electromagnet 731 on the printing mold 73 to be introduced with reverse current so as to enable the first electromagnet 541 and the second electromagnet 731 to generate magnetic repulsion and enable the printing mold 73 to be separated from the paper plate 8; then the processor module controls the printing cylinder 71 to reset, the printing mold 73 is pulled out of the inside of the step surface 53 from the mold inlet and outlet 531, a new mold is replaced or a new pigment is replaced manually or in other modes, the processor module controls the printing cylinder 71 to push the new mold into the inside of the step surface 53, and a new round of coloring action is carried out to complete the multi-pattern printing of the paper plate 8; after the printing of the multiple patterns is completed, the processor module closes the first electromagnet 541 and the second electromagnet 731, and the pressing plate 54 is reset under the elastic force of the elastic member 542 to be separated from the upper surface of the paper plate 8; the processor module controls the horizontal pushing cylinder 41 to drive the flat plate 42 to enter the positioning mechanism 5 from the paper inlet 521 and move to the position above the step surface 53, then the exhaust fan is started to adsorb the paper plate 8 on the flat plate 42, the processor module controls the horizontal pushing cylinder 41 to continue to drive the flat plate 42 to move forwards, the flat plate is separated from the paper outlet 523 and separated from the positioning mechanism 5, and the flat plate reaches the position above the hollowed-out area 331 of the paper outlet conveying belt 33, and meanwhile the processor module controls the printing cylinder 71 to reset; when the third photoelectric switch detects the paper plate 8, the processor module closes the exhaust fan to enable the paper plate 8 to be separated from the flat plate 42 and fall on the hollowed-out area 331 of the paper outlet conveyor belt 33, and at the moment, the processor module controls the horizontal pushing cylinder 41 to reset and to sequentially pass through the paper outlet 523 and the paper inlet 521 to be retracted to the position above the placing station 12; the printing area of the paper plate 8 is dried by the heating pipe 34 and sent out by the paper outlet conveyor belt 33, and the whole printing process of the paper plate 8 is completed. This woodcut printing device can keep the cardboard 8 rigid at the printing in-process, changes printing die 73 many times, carries out the multilayer and colors the printing and accomplish the back in the printing, concentrates the stoving to cardboard 8 through heating pipe 34 on the play paper mechanism 3, has solved the printing problem of coloring of multilayer coating, has that degree of automation is high, the location is accurate, and the woodcut is fixed advantages such as firm, especially is suitable for the continuous printing production of the multilayer pigment of woodcut.
In light of the foregoing description of preferred embodiments in accordance with the invention, it is intended that the appended claims be interpreted as including all such alterations and modifications as fall within the true spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A print press, comprising: the paper feeding mechanism is arranged on one side of the workbench, the paper discharging mechanism and the horizontal pushing mechanism are oppositely arranged on the other two sides of the workbench, the positioning mechanism is arranged between the workbench and the paper discharging mechanism, the printing mechanism is arranged on one side of the positioning mechanism, and the coloring mechanism is arranged above the positioning mechanism; wherein the paper feeding mechanism is suitable for conveying and flatly laying the paper plate on the workbench; the horizontal pushing mechanism is suitable for pushing the paper plate into the positioning mechanism; the positioning mechanism is suitable for pressing the paper plate; the coloring mechanism is suitable for pressing the paper plate downwards so as to print the paper plate by matching with the printing mechanism;
the positioning mechanism comprises a printing platform, a limiting frame positioned on the printing platform, a step surface arranged on the limiting frame, a pressing plate positioned on the printing platform and a plurality of first electromagnets embedded in the pressing plate; the step surface is of a structure surrounding the printing area, and two opposite sides of the limiting frame are provided with a paper inlet and a paper outlet; the paper feeding port horizontally faces the workbench; the paper outlet faces the paper outlet mechanism horizontally; the pressure plate is connected to the limiting frame through an elastic piece so as to be higher than the step surface; a paper inlet horizontally facing the workbench is formed in the side surface of the limiting frame so that a paper plate can enter and be flatly laid on the step surface; the other side surface of the limiting frame is provided with a paper outlet facing the paper outlet mechanism so as to be suitable for the paper plate to be separated and enter the paper outlet mechanism; and the first electromagnet is suitable for generating magnetic attraction force on the step surface when being electrified so as to enable the pressing plate to move downwards and press the paper plate on the step surface.
2. The engraving printing machine according to claim 1, wherein the positioning mechanism further comprises a positioning drive assembly for moving the position-limiting frame; a sliding rail vertical to the entering direction of the paper plate is arranged on the printing platform; the bottom of the limiting frame is provided with a sliding chute matched with the sliding rail; the positioning driving assembly is suitable for driving the limiting frame to move along the sliding rail so as to adjust the relative position of the paper plate and the printing area.
3. The engraving printing machine according to claim 2, wherein the printing mechanism comprises a printing cylinder, a die mounting plate located on the printing cylinder, a printing die located on the die mounting plate, and a second electromagnet located on the printing die; the printing cylinder is suitable for driving a printing mold to horizontally move to enter the mold inlet and outlet and is positioned below the paper plate so as to generate magnetic attraction when the second electromagnet and the first electromagnet are electrified.
4. The engraving printing machine according to claim 2, wherein the horizontal pushing mechanism comprises a horizontal pushing cylinder, a flat plate positioned on the horizontal pushing cylinder, and a plurality of adsorption holes positioned on the surface of the flat plate; the flat-plate internal cavity forms negative pressure through the exhaust fan, the paper plate is adsorbed on the flat-plate surface through the adsorption hole, and the horizontal pushing cylinder is suitable for bringing the paper plate from the paper inlet to the step surface through the flat plate.
5. The engraving printer of claim 4, wherein the lower surface of the plate is 5-10mm from the table top of the table to fit the plate into the internal hollow of the step surface from the opening of the ] frame; after the flat plate enters the positioning mechanism, the processor module closes the exhaust fan, the paper plate is separated from the flat plate and falls into the paper discharging mechanism, and the processor module controls the horizontal pushing cylinder to reset.
6. The engraving printing machine according to claim 3, wherein the coloring mechanism comprises a mechanical arm and a coloring roller, and the mechanical arm drives the coloring roller to roll on the paper plate so as to print the pattern pigment on the printing mold on the paper plate.
7. A working method for a plate printing machine according to any one of claims 1 to 6, characterized in that it comprises:
conveying and flatly paving the paper board on the workbench through the paper feeding mechanism;
the paper plate is sucked up by the horizontal pushing mechanism and pushed into the positioning mechanism;
pushing the printing mould into the positioning mechanism through the printing mechanism;
pressing the paper plate through a positioning mechanism;
rolling the paper plate through a coloring mechanism to print the paper plate;
the paper plate is sucked up through the horizontal pushing mechanism and pushed out of the positioning mechanism; and
and drying the pigment on the paper plate through the paper discharging mechanism and sending out the pigment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN211416603U (en) * | 2019-02-18 | 2020-09-04 | 姚守秀 | Movable plate printing die for color prints |
| CN112706511A (en) * | 2020-12-29 | 2021-04-27 | 欢宜(广州)母婴用品有限公司 | Print printing machine |
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| CN2209589Y (en) * | 1994-08-11 | 1995-10-11 | 正金扬机械厂有限公司 | Louvered printing machine |
| JP2000272088A (en) * | 1999-03-25 | 2000-10-03 | Kyodo Printing Co Ltd | Gravure sheet-fed press |
| CN103587234A (en) * | 2012-08-14 | 2014-02-19 | 张宗秋 | Manual type wood block printing device and method |
| CN103538363A (en) * | 2013-10-18 | 2014-01-29 | 何小午 | Vacuum-sucking paper feeding mechanism for offset press |
| CN103963430A (en) * | 2014-05-24 | 2014-08-06 | 太仓纽莱汽车饰件有限公司 | Screen printing machine allowing substrate to be located conveniently |
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| CN113715498A (en) | 2021-11-30 |
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