CN110978742A - Plane pattern printing device for paper-plastic packaging box - Google Patents

Abstract

The invention provides a plane pattern printing device for a paper-plastic packaging box, which comprises a conveying mechanism and a plane pattern printing unit; the conveying mechanism comprises a guide rail and a material pushing mechanism, and the material pushing mechanism is used for pushing the paper-plastic packaging box along the direction of the guide rail; the plane pattern printing unit is arranged on the guide rail and comprises an ink output mechanism and a printing assembly, the ink output mechanism is connected with the printing assembly, and the ink output mechanism is used for supplying ink to the printing assembly; the printing component is provided with a pattern printing plate, the pattern printing plate can be attached with printing ink and form a printing pattern, and the printing component can be contacted with the end face of the paper-plastic packaging box to print the printing pattern on the end face of the paper-plastic packaging box. Compared with the prior art, the plane pattern printing device for the paper-plastic packaging box is used for printing complicated patterns on the end face of the paper-plastic packaging box.

Description

Plane pattern printing device for paper-plastic packaging box

Technical Field

The invention relates to the field of printing devices for paper-plastic packaging boxes, in particular to a printing device for plane patterns of a paper-plastic packaging box.

Background

The paper-plastic packaging box is a packaging box made of paper pulp, and raw materials of the paper-plastic packaging box can be recycled, so that the paper-plastic packaging box is widely popularized and used, enterprises can print corresponding patterns on the paper-plastic packaging box in order to improve the recognition degree of outer packaging of products and facilitate product popularization, and the existing paper-plastic packaging box printing device comprises a conveying mechanism and an ink-jet printing mechanism, wherein the ink-jet printing mechanism is arranged above or on the side part of the conveying mechanism; however, the printing device for the paper-plastic packaging box can only be used for printing simple contents (such as text information of printing date, production batch number and the like), and for the paper-plastic packaging needing to be printed with complex patterns, no corresponding printing device for the paper-plastic packaging box exists in the market.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a plane pattern printing device for a paper-plastic packaging box, which is used for printing more complex patterns on the end face of the paper-plastic packaging box.

In order to achieve the purpose, the invention adopts the following technical scheme: the paper-plastic packaging box plane pattern printing device comprises a rack, a conveying mechanism and a plane pattern printing unit; the conveying mechanism and the plane pattern printing unit are arranged on the rack, the conveying mechanism comprises a guide rail and a pushing mechanism, and the pushing mechanism is used for pushing the paper-plastic packaging box to the plane pattern printing unit along the guide rail; the plane pattern printing unit comprises an ink output mechanism and a printing assembly, wherein the ink output mechanism is connected with the printing assembly and is used for supplying ink to the printing assembly; the printing assembly is provided with a pattern printing plate, the pattern printing plate can be attached with printing ink and form a printing pattern, and the printing assembly can be in contact with the end face of the paper-plastic packaging box to print the printing pattern on the end face of the paper-plastic packaging box.

Compared with the prior art, the plane pattern printing unit with the printing component is arranged on the conveying mechanism, the pattern printing plate arranged on the printing component is utilized to attach the printing ink on the pattern printing plate and form the printing pattern, and when the pattern printing plate is in contact with the end face of the paper-plastic packaging box, the pattern printing plate prints the pattern on the end face of the paper-plastic packaging box, so that the automatic printing of the end face pattern of the paper-plastic packaging box is realized, the printing efficiency of the plane pattern printing device is improved, in addition, when the patterns with rich colors, special composition and high identification are required to be printed on the end face of the paper-plastic packaging box, only the type of the printing ink on the printing ink output mechanism is required to be adjusted, and the pattern printing plate on the printing component is replaced by the pattern printing plates with other different patterns, the plane pattern printing device is simple and convenient to operate, and the application range of the.

Preferably, the printing assembly comprises a support, a printing plate roller and a printing roller, the printing plate roller is arranged on the support, the printing roller is arranged at a position capable of rolling and contacting with the printing plate roller, and the printing roller and the printing plate roller can synchronously rotate; the pattern printing plate is arranged outside the printing plate roller, a printing block is arranged outside the printing roller, when the printing roller and the printing plate roller rotate synchronously, the pattern printing plate contacts with the printing block to form patterns on the printing block, and the printing block can print the patterns on the paper plastic packaging box.

Because the relief convex surfaces are arranged at the positions, which are used for forming the printing patterns, on the pattern printing plate, after the pattern printing plate is attached with the printing ink, the printing ink at different positions is unevenly distributed due to the different heights of the relief convex surfaces at different positions, and if the pattern printing plate is directly contacted with the paper-plastic packaging box for printing the patterns, the colors of the printing patterns at different positions are easily different, so that the attractiveness of the printing patterns is influenced; secondly, the pattern printing plate is directly contacted with the paper-plastic packaging box, the convex surface of the relief of the pattern printing plate can leave a dent on the end surface of the paper-plastic packaging box, and the dent influences the structural strength of the paper-plastic packaging box and easily causes the deformation of the paper-plastic packaging box; according to the printing assembly, the printing roller is arranged, the printing block is arranged on the printing roller, the printing pattern is attached to the printing block, and the printing block is contacted with the paper-plastic packaging box and then prints the printing pattern on the paper-plastic packaging box, so that the local position of the printing pattern is effectively prevented from generating color difference and dents are left on the paper-plastic packaging box, and the attractiveness of the paper-plastic packaging box after the printing pattern is printed is improved.

The invention provides two paper-plastic packaging box plane pattern printing devices, wherein one paper-plastic packaging box plane pattern printing device is used for printing the upper end face of a paper-plastic packaging box, and the other paper-plastic packaging box plane pattern printing device is used for printing the lower end face of the paper-plastic packaging box:

the plane pattern printing unit of the paper-plastic packaging box plane pattern printing device for printing the upper end surface of the paper-plastic packaging box comprises: the plane pattern printing unit is arranged above the guide rail; the support includes first mounting bracket and second mounting bracket, the second mounting bracket sets up on first mounting bracket, the printing roller sets up on first mounting bracket, the printing plate roller sets up on the second mounting bracket, second mounting bracket front end and first mounting bracket upper end swing joint, and second mounting bracket rear end passes through pressure adjustment mechanism with first mounting bracket lateral part to be connected, pressure adjustment mechanism includes pressure regulator, pressure regulator one end is connected first mounting bracket lateral part is connected to second mounting bracket rear end, the other end.

The plane pattern printing unit of the paper-plastic packaging box plane pattern printing device for printing the lower end face of the paper-plastic packaging box comprises: the plane pattern printing unit is arranged below the guide rail; the support includes first mounting bracket and second mounting bracket, the second mounting bracket sets up on first mounting bracket, the printing roller is located second mounting bracket top, the printing plate roller sets up on the second mounting bracket, second mounting bracket front end and first mounting bracket upper end swing joint, and second mounting bracket rear end passes through pressure adjustment mechanism with first mounting bracket lateral part to be connected, pressure adjustment mechanism includes pressure regulator, pressure regulator one end is connected first mounting bracket rear end, first mounting bracket lateral part is connected to the other end.

The invention provides a paper-plastic packaging box plane pattern printing device for printing the upper end surface or the lower end surface of a paper-plastic packaging box respectively, the two paper-plastic packaging box plane pattern printing devices are mainly characterized in that the relative positions of a printing roller and a plate printing roller on a plane pattern printing unit are adjusted, the plane pattern printing unit can realize different printing effects by adjusting the relative positions of the printing roller and the plate printing roller, the assembly is convenient and fast, the adjustment difficulty is low, and therefore, production personnel can quickly adjust the paper-plastic packaging box plane pattern printing device to meet the actual printing requirement, the application range of the paper-plastic packaging box plane pattern printing device is improved, and the production cost is reduced; in addition, connect through pressure adjustment mechanism between first mounting bracket and the second mounting bracket, through adjusting pressure adjustment mechanism, can adjust the distance between first mounting bracket and the second mounting bracket to the inseparable degree of adjustment printing roller and seal plate roller, easy operation, the good reliability adjusts the precision height.

Preferably, a first distance adjusting mechanism is arranged between the first mounting frame and the second mounting frame and used for adjusting the relative position between the first mounting frame and the second mounting frame; the first distance adjusting mechanism comprises a chain, a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are arranged on the first mounting frame, adjusting gears are arranged at the end parts of the first rotating shaft and the second rotating shaft, and the two adjusting gears are connected through the chain; the first rotating shaft is an eccentric shaft, and the pressure regulator is positioned at one end of the first mounting frame and connected with the first rotating shaft.

The working principle of the first distance adjusting mechanism is as follows:

for the plane pattern printing unit of the paper-plastic packaging box plane pattern printing device for printing the upper end surface of the paper-plastic packaging box: the axle center of first pivot is close to first mounting bracket outer end, and it is rotatory to drive first pivot through the pulling chain, and when the axle center of first pivot squinted to first mounting bracket middle part, first pivot promoted the second mounting bracket through pressure regulator and removed to first mounting bracket outer end, and the axle center distance between printing roller and the seal plate roller shortens.

For the plane pattern printing unit of the paper-plastic packaging box plane pattern printing device for printing the lower end face of the paper-plastic packaging box: the axle center of first pivot is close to first mounting bracket inner, drives first pivot rotation through the pulling chain, and when the axle center of first pivot squinted to first mounting bracket lateral part, first pivot promoted the inner removal of second mounting bracket to first mounting bracket through pressure regulator, and the axle center distance between printing roller and the seal plate roller shortens.

By arranging the first interval adjusting mechanism, the relative distance between the printing plate roller and the printing roller can be adjusted finely (the adjusting range is 0.1-1.0mm) conveniently according to actual production requirements of production personnel, the phenomenon that the printing plate roller and the printing roller are too small, so that the pattern printing plate is excessively deformed, the deformation of a printing pattern is caused, the printing plate roller and the printing roller cannot normally rotate, the phenomenon that the distance between the printing plate roller and the printing roller is too large, and the pattern printing plate cannot be contacted with a printing block is avoided, so that the printing pattern on the pattern printing plate can be attached to the printing block, and the printing effect of a plane pattern printing unit is ensured; in addition, under emergency or shut down state, through operation first interval adjustment mechanism, enable printing plate roller, printing roller separation, avoid printing the piece and crush pattern printing plate avoids simultaneously the printing ink of pattern printing plate is attached to on the printing piece, reduces the clean degree of difficulty.

Preferably, the ink output mechanism comprises a third mounting frame, an upper ink box, an ink receiving roller and an ink distributing roller, and the ink distributing roller can rotate in a left-right reciprocating mode; the ink feeding box, the ink receiving roller and the ink distributing roller are arranged on a third mounting frame, and the third mounting frame is connected with the second mounting frame; the upper ink box is used for storing ink, and an ink outlet is formed in the upper ink box; the ink receiving roller is used for receiving the ink flowing out from the upper ink box and transferring the ink to an ink distributing roller or a form roller or another ink receiving roller, and the ink distributing roller is used for uniformly mixing the ink and transferring the ink to the ink receiving roller so that the ink is uniformly distributed on the outer side surface of the ink receiving roller; the third mounting rack is provided with a pushing block, and the pushing block is positioned between the projection point of the printing plate roller on the second mounting rack and the projection point of the ink receiving roller for providing ink for the printing plate roller on the third mounting rack; a second spacing adjusting mechanism is arranged between the third mounting frame and the second mounting frame and comprises a first adjusting piece and a first elastic piece, the first adjusting piece is linked with an ink receiving roller for providing ink for a printing plate roller, and a telescopic end of the first adjusting piece abuts against the ejection block; one end of the first elastic piece is connected with the third mounting frame, and the other end of the first elastic piece is connected with an ink receiving roller for providing ink for the plate printing roller and applying pressure towards the direction of the plate printing roller to the ink receiving roller.

The first elastic member applies pressure in a direction toward the plate roller to an ink receiving roller that supplies ink to the plate roller, and the ink receiving roller is brought into rolling contact with the plate roller, and the ink receiving roller rotates to supply ink to the plate roller; when the flexible end of first regulating part is elongated, the messenger provides the direction motion that connects the ink roller orientation to push away the kicking block relatively of printing ink for the form roller to be convenient for the producer should connect the relative distance between ink roller and the form roller according to actual production needs adjustment, avoid the aforesaid to connect between ink roller and the printing roller apart from too big or undersize, the effect of coloring to the pattern form is influenced, and avoid the relief (sculpture) pattern on the pattern form to be crushed, ensure plane pattern printing unit's printing effect.

Preferably, the number of the plane pattern printing units is two, wherein one plane pattern printing unit is arranged above the guide rail, and the other plane pattern printing unit is arranged below the guide rail; the printing roller is arranged on one side, close to the guide rail, of the plate printing roller.

A group of plane pattern printing units are respectively arranged above and below the guide rail of the paper-plastic packaging box plane pattern printing device by production personnel, so that the upper end surface and the lower end surface of the paper-plastic packaging box can be printed simultaneously, and the attractiveness and the recognition degree of the paper-plastic packaging box are improved.

Preferably, the printing roller arranged above the guide rail is aligned with the printing roller arranged below the guide rail.

The arrangement mode has the following beneficial effects: when the plane pattern printing unit of setting in the guide rail top prints packing carton up end to paper, the plane pattern printing unit of setting in the guide rail below can support the packing carton inboard to paper simultaneously (or, when setting up the plane pattern printing unit of guide rail below and moulding packing carton down the terminal surface and print to paper, the plane pattern printing unit of setting in the guide rail top supports the packing carton outside to paper), thereby avoid because the plane pattern printing unit is moulded the pressure that the packing carton up end was applyed to paper too big, lead to paper to mould the packing carton and take place deformation or even impaired, thereby improve the effect of plane pattern printing unit printing, and then improve the aesthetic property of packing carton is moulded to paper after the printing pattern.

Preferably, the number of the printing plate rollers is at least two, and the two printing plate rollers are oppositely arranged at the front end and the rear end of the printing roller; the printing ink output mechanisms are at least two corresponding printing plate rollers, and the two printing ink output mechanisms respectively provide printing ink for the two printing plate rollers.

Through setting up two seal plate rollers and two printing ink output mechanism, can make plane pattern printing unit at the paper and mould packing carton plane printing two kinds of different colours's pattern to and print two kinds of different colours's different patterns, thereby can form a polychrome picture at paper and mould packing carton side.

Preferably, the material pushing mechanism comprises a driver, a linkage belt and a plurality of material pushing pieces, the linkage belt is arranged on the side portion of the guide rail and arranged along the length direction of the guide rail, the plurality of material pushing pieces are arranged on the linkage belt at equal intervals, and the driver is used for driving the linkage belt to move so that the material pushing pieces push the paper-plastic packaging box to move along the direction of the guide rail; the printing plate roller is in transmission connection with the printing roller, and the driver drives the printing roller to rotate.

The material pushing mechanism has the following beneficial effects by adopting the arrangement mode:

(1) the material pushing mechanism is simple in structure, parts are easy to obtain, and production, installation and later maintenance are convenient, in addition, the speed of pushing the paper-plastic packaging box by the material pushing mechanism can be adjusted by adjusting the distance between the material pushing pieces, and the difficulty of adjusting the paper-plastic packaging box plane pattern printing device by production personnel is reduced, so that the popularization and the use of the paper-plastic packaging box plane pattern printing device are convenient;

(2) the plane pattern printing unit is driven by a driver of the pushing mechanism to work, and the plane pattern printing unit and the linkage belt share one power source, so that the plane pattern printing unit and the linkage belt are linked, the cooperativity of the plane pattern printing unit and the linkage belt in movement is ensured, and the working stability of the paper-plastic packaging box printed by the paper-plastic packaging box printing machine is improved;

(3) if the two plane pattern printing units are arranged, the two plane pattern printing units are driven by the driver of the material pushing mechanism to work, so that the two plane pattern printing units can simultaneously print two opposite outer side surfaces of the paper-plastic packaging box synchronously, the printing effect of the paper-plastic packaging box is improved, in addition, the arrangement mode can reduce the phenomenon that the plane pattern printing units are driven to work by arranging another power source on the paper-plastic packaging box, the internal structure of the paper-plastic packaging box is simplified, and the production and maintenance cost of equipment is reduced.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of a transport mechanism;

FIG. 3 is a first angular schematic view of a flat pattern printing unit;

FIG. 4 is a second angular schematic view of the flat pattern printing unit;

FIG. 5 is a third angled schematic view of a flat pattern printing unit;

fig. 6 is a sectional view of the plane pattern printing unit;

FIG. 7 is a functional schematic of the first spacing adjustment mechanism;

FIG. 8 is a first angular schematic of an ink output mechanism;

FIG. 9 is a second angular schematic view of the ink output mechanism;

FIG. 10 is a schematic view of a drive member and a guide member;

FIG. 11 is a cross-sectional view of an ink output mechanism;

FIG. 12 is a sectional view of the second embodiment;

FIG. 13 is a schematic view of a flat pattern printing unit of the second embodiment;

FIG. 14 is a sectional view of an arrangement of the third embodiment;

FIG. 15 is a schematic view of a flat pattern printing unit of the third embodiment;

FIG. 16 is a sectional view of a flat pattern printing unit of the third embodiment;

FIG. 17 is a view showing the printing effect of the flat pattern printing unit according to the third embodiment;

FIG. 18 is a schematic view showing another arrangement of the flat pattern printing unit of the third embodiment;

FIG. 19 is a schematic view of the fourth embodiment.

Description of reference numerals:

1 planar pattern printing unit, 10 frames, 11 tracks, 13 interlocking belts, 14 pushers, 2 ink output mechanisms, 21 third mounting, 22 ink boxes, 23 outlets, 24 claws, 25 inking rollers, 251 first inking rollers, 252 second inking rollers, 253 third inking rollers, 254 fourth inking rollers, 255 fifth inking rollers, 26 inking rollers, 261 first inking rollers, 262 second inking rollers, 27 transmission gears, 28 inking rollers, 29 inking members, 3 inking rollers, 31 third rotating shafts, 32 first connecting arms, 33 second connecting arms, 34 cams, 35 first resetting members, 36 transmission members, 37 mounting portions, 38 oscillating portions, 39 guides, 390 curved tracks, 4 supports, 41 form rollers, 42 pattern plates, 43 printing rollers, 44 printing blocks, 45 adjustment wheels, 51 first mounting, 52 second mounting, 53 pressure regulators, 54 chains, 55 first rotating shafts, 56 second rotating shaft, 57 adjusting gear, 58 adjusting handle, 59 rotating gear, 6 adjusting wheel, 61 fixing piece, 62 adjusting chute, 63 connecting piece, 71 sliding rail, 72 sliding piece, 8 pushing block, 81 first adjusting piece, 82 first elastic piece and 83 main transmission shaft.

Detailed Description

Embodiments of the present invention are described below with reference to the accompanying drawings:

example one

Referring to fig. 1, the present embodiment provides a paper-plastic packaging box plane pattern printing apparatus for printing an upper surface of a paper-plastic packaging box.

Referring to fig. 1 to 2, the plane pattern printing device for a paper-plastic packaging box of the present embodiment includes a frame 10, a conveying mechanism, and a plane pattern printing unit 1; the conveying mechanism and the plane pattern printing unit 1 are arranged on the frame 10; the conveying mechanism comprises a guide rail 11 and a pushing mechanism, and the pushing mechanism is used for pushing the paper-plastic packaging box to the plane pattern printing unit 1 along the guide rail 11; the plane pattern printing unit 1 comprises an ink output mechanism 2 and a printing component, wherein the ink output mechanism 2 is connected with the printing component, and the ink output mechanism 2 is used for supplying ink to the printing component; the printing component is provided with a pattern printing plate 42, the pattern printing plate 42 can be attached with printing ink and form a printing pattern, and the printing component can be contacted with the end face of the paper-plastic packaging box to print the printing pattern on the end face of the paper-plastic packaging box.

Referring to fig. 3 to 5, the plane pattern printing unit 1 is disposed above the guide rail 11; the printing assembly comprises a support 4, a printing plate roller 41 and a printing roller 43, wherein the printing plate roller 41 is axially and rotatably arranged on the support 4, the printing roller 43 is arranged at a position capable of rolling contact with the printing plate roller 41, and the printing roller 43 and the printing plate roller 41 can synchronously rotate; the pattern printing plate 42 is arranged on the outer side of the printing plate roller 41, the printing block 44 is arranged on the outer side of the printing roller 43, and when the printing roller 43 and the printing plate roller 41 rotate synchronously, the pattern printing plate 42 is contacted with the printing block 44 to form patterns on the printing block 44, and the printing block 44 can print the patterns on the paper-plastic packaging box.

Specifically, the pattern printing plate 42 is an offset printing plate with a relief pattern engraved on the surface thereof, and the printing block 44 is a flat offset printing plate; the pattern printing plate 42 is detachably provided on the outer side of the printing plate roller 41, and the printing block 44 is detachably provided on the outer side of the printing roller 43.

Because the relief convex surfaces are arranged at the positions, which are used for forming the printing patterns, on the pattern printing plate 42, after the printing ink is attached to the pattern printing plate 42, the printing ink at different positions is unevenly distributed due to the different heights of the relief convex surfaces at different positions, and if the pattern printing plate 42 is directly contacted with the paper-plastic packaging box for printing the patterns, the colors at different positions of the printing patterns are easily different, so that the attractiveness of the printing patterns is affected; secondly, the pattern printing plate 42 is directly contacted with the paper-plastic packaging box, the convex surface of the relief of the pattern printing plate can leave a dent on the end surface of the paper-plastic packaging box, and the dent influences the structural strength of the paper-plastic packaging box and easily causes the deformation of the paper-plastic packaging box; according to the printing assembly, the printing roller 43 is arranged, the printing block 44 is arranged on the printing roller 43, so that the printing pattern is attached to the printing block 44, and the printing block 44 is in contact with the paper-plastic packaging box and then prints the printing pattern on the paper-plastic packaging box, so that the local position of the printing pattern is effectively prevented from generating color difference and dents are left on the paper-plastic packaging box, and the attractiveness of the paper-plastic packaging box after the printing pattern is printed is improved.

In this embodiment, the length of the content of the printing pattern is not greater than the length of the outer side of the paper-plastic package, and when the length of the content of the printing pattern to be printed is less than the length of the outer side of the paper-plastic package, the length of the pattern printing plate 42 is less than the outer circumferential length of the printing plate roller 41, and the length of the printing block 44 is less than the outer circumferential length of the printing roller 43 because the printing block 44 is disposed corresponding to the pattern printing plate 42, so that the portion of the printing plate roller 41 that does not cover the pattern printing plate 42 does not contact the printing block 44, and does not contact the printing roller 43.

Referring to fig. 3 to 5, specifically, an adjusting wheel 45 is arranged on the printing plate roller 41, the adjusting wheel 45 is coaxially connected with the printing plate roller 41, the printing plate roller 41 can be rotated by rotating the adjusting wheel 45, and the position of the printing pattern on the pattern printing plate 42 relative to the printing block 44 is adjusted, so that the pattern printing plate 42 can be adjusted according to actual production requirements after different pattern printing plates 42 are replaced, and the printing effect is ensured; in addition, by rotating the plate roller 41 to a predetermined position, the printed pattern on the pattern plate 42 can be prevented from contacting the printing block 44, thereby preventing the printing block 44 from crushing the pattern plate 42 at the time of stopping.

Referring to fig. 3 to 7, the support 4 includes a first mounting frame 51 and a second mounting frame 52, the second mounting frame 52 is disposed on the first mounting frame 51, the printing roller 43 is disposed on the first mounting frame 51, the printing plate roller 41 is disposed on the second mounting frame 52, a front end of the second mounting frame 52 is movably connected with an upper end of the first mounting frame 51, a rear end of the second mounting frame 52 is connected with a side portion of the first mounting frame 51 through a pressure adjusting mechanism, the pressure adjusting mechanism includes a pressure regulator 53, one end of the pressure regulator 53 is connected with a rear end of the second mounting frame 52, and the other end of the pressure regulator 53 is connected with a side portion of the first mounting frame 51. The first mounting frame 51 is connected with the second mounting frame 52 through the pressure adjusting mechanism, and the distance between the first mounting frame 51 and the second mounting frame 52 can be adjusted by adjusting the pressure adjusting mechanism, so that the tightness of the printing roller 43 and the printing plate roller 41 can be adjusted, the operation is simple, the reliability is high, and the adjusting precision is high.

Referring to fig. 5 to 7, a first spacing adjustment mechanism is disposed between the first mounting frame 51 and the second mounting frame 52, and is used for adjusting the relative position between the first mounting frame 51 and the second mounting frame 52; the first spacing adjusting mechanism comprises a chain 54, a first rotating shaft 55 and a second rotating shaft 56, the first rotating shaft 55 and the second rotating shaft 56 are arranged on the first mounting frame 51, adjusting gears 57 are arranged at the end parts of the first rotating shaft 55 and the second rotating shaft 56, and the two adjusting gears 57 are connected through the chain 54; the first rotating shaft 55 is an eccentric shaft, one end of the pressure regulator 53 located on the first mounting frame 51 is connected to the first rotating shaft 55, and specifically, one end of the pressure regulator 53 located on the first mounting frame 51 is connected to the axis of the first rotating shaft 55.

Specifically, an adjusting handle 58 is arranged on the first mounting frame 51, the adjusting handle 58 is movably arranged on the first mounting frame 51 through a rotating gear 59, the rotating gear 59 is linked with two adjusting gears 57 through a chain 54, and the first rotating shaft 55 and the second rotating shaft 56 are rotated in corresponding directions by rotating the adjusting handle 58.

Specifically, be equipped with chain adjustment mechanism on first mounting bracket 51, chain adjustment mechanism includes regulating wheel 6 and mounting 61, be equipped with on the mounting 61 and adjust spout 62, first mounting bracket 51 is located and is equipped with connecting piece 63 on the position of the orbit of chain 54, connecting piece 63 inserts it is fixed to adjust spout 62 mounting 61, regulating wheel 6 passes through chain 54 and two adjusting gear 57 linkages, through adjusting mounting 61 is relative the pulling force or the thrust of different degrees are applyed to chain 54 to regulating wheel 6 to the elasticity degree of adjusting chain 54.

Referring to fig. 7, the working principle of the first spacing adjustment mechanism is as follows: the axle center of the first rotating shaft 55 is close to the outer end of the first mounting frame 51, the first rotating shaft 55 is driven to rotate by pulling the chain 54, when the axle center of the first rotating shaft 55 deviates to the middle of the first mounting frame 51, the first rotating shaft 55 pushes the second mounting frame 52 to move to the outer end of the first mounting frame 51 through the pressure regulator 53, and the axle center distance between the printing roller 43 and the printing plate roller 41 is shortened.

By arranging the first distance adjusting mechanism, the relative distance between the printing plate roller 41 and the printing roller 43 can be adjusted finely (the adjusting range is 0.1-1.0mm) conveniently according to actual production requirements of production personnel, the phenomenon that the distance between the printing plate roller 41 and the printing roller 43 is too small, the pattern printing plate 42 is deformed too much and the printing pattern is deformed, the printing plate roller 41 and the printing roller 43 can not rotate normally can be avoided, the phenomenon that the distance between the printing plate roller 41 and the printing roller 43 is too large and the pattern printing plate 42 can not contact with the printing block 44 can be avoided, so that the printing pattern on the pattern printing plate 42 can be attached to the printing block 44, and the printing effect of the planar pattern printing unit 1 can be ensured; in addition, in an emergency or a shutdown state, the first distance adjusting mechanism is operated to separate the printing plate roller 41 and the printing roller 43, so that the printing block 44 is prevented from crushing the pattern printing plate 42, and meanwhile, the ink of the pattern printing plate 42 is prevented from being attached to the printing block 44, and the cleaning difficulty is reduced.

Referring to fig. 8 to 11, the ink output mechanism 2 comprises a third mounting frame 21, an ink feeding box 22, an ink receiving roller 25 and an ink distributing roller 26, wherein the ink receiving roller 25 and the ink distributing roller 26 are provided in plurality, and the ink distributing roller 26 can rotate back and forth left and right; the ink applying box 22, the ink receiving roller 25 and the ink distributing roller 26 are arranged on a third mounting frame 21, and the third mounting frame 21 is connected with a second mounting frame 52.

The upper ink box 22 is used for storing ink, and an ink outlet 23 is arranged on the upper ink box 22; the ink receiving roller 25 is used for receiving the ink flowing out from the upper ink box 22 and transferring the ink to the ink distributing roller 26 or the form roller 41 or the other ink receiving roller 25, the ink distributing roller 26 is used for carrying out ink leveling and transferring the ink to the ink receiving roller 25 so that the ink is uniformly distributed on the outer side surface of the ink receiving roller 25; the printing roller 43 and the plate roller 41 are in transmission connection through a transmission gear 27, the plate roller 41 and the corresponding ink receiving roller 25 are in transmission connection through the transmission gear 27, and the adjacent ink receiving rollers 25 are in transmission connection or rolling contact through the transmission gear 27; the ink distribution roller 26 is in driving connection or rolling contact with the adjacent ink receiving roller 25 through a transmission gear 27.

Specifically, the ink receiving roller 25 may be a metal roller, or the ink receiving roller 25 may be a roller coated with a rubber plate on the outer side; the ink distribution roller 26 is a self-running roller (rotating while automatically reciprocating up and down) or a roller driven by an external force to reciprocate up and down.

Referring to fig. 11, in the present embodiment, the ink distribution roller 26 is provided with two, namely, a first ink distribution roller 261 and a second ink distribution roller 262, and the ink receiving rollers 25 are provided with five, namely, a first ink receiving roller 251, a second ink receiving roller 252, a third ink receiving roller 253, a fourth ink receiving roller 254 and a fifth ink receiving roller 255 from left to right in the figure, wherein the first ink receiving roller 251 is used for receiving ink output by the ink supply box, and the fifth ink receiving roller 255 is used for supplying ink to the form roller 41; the first ink distribution roller 261 is positioned between the second ink receiving roller 252 and the third ink receiving roller 253; the second ink distribution roller 262 is located between the third ink receiving roller 253 and the fourth ink receiving roller 254, the first ink receiving roller 251 and the second ink receiving roller 252 are in rolling contact, and the fourth ink receiving roller 254 is disposed adjacent to the fifth ink receiving roller 255 and is in rolling contact with the second ink distribution roller 262, respectively.

The first ink distribution roller 361 is a self-running roller, and the second ink distribution roller 362 is a roller driven by an external force to reciprocate up and down.

Referring to fig. 8, the third mounting frame 21 is provided with an ejector block 8, and the ejector block 8 is positioned between the projection point of the plate roller 41 on the second mounting frame 52 and the projection point of the ink receiving roller 25 for supplying ink to the plate roller 41 on the third mounting frame 21; a second spacing adjusting mechanism is arranged between the third mounting frame 21 and the second mounting frame 52, the second spacing adjusting mechanism comprises a first adjusting piece 81 and a first elastic piece 82, the first adjusting piece 81 is linked with an ink receiving roller 25 for providing ink for a plate roller 41, and the telescopic end of the first adjusting piece 81 abuts against the ejector block 8; the first elastic member 82 has one end connected to the third mounting frame 21 and the other end connected to the ink receiving roller 25 for supplying ink to the plate roller 41, and applies pressure to the ink receiving roller 25 in a direction toward the plate roller 41.

Referring to fig. 8 to 11, the printing plate further comprises a main transmission shaft 83, the main transmission shaft 83 is provided with the rotatable transmission gear 27, the main transmission shaft 83 is arranged on the side portion of the ink receiving roller 25 for providing ink for the printing plate roller 41, one end of the main transmission shaft 83 is in transmission connection with the printing roller 43, the other end of the main transmission shaft is in transmission connection with the ink receiving roller 25 provided with the transmission gear 27, and the ejection block 8 is arranged at the upper end of the main transmission shaft 83.

In the above arrangement, the first elastic member 82 applies a pressure in the direction of the plate roller 41 to the ink receiving roller 25 that supplies ink to the plate roller 41, and the ink receiving roller 25 is brought into rolling contact with the plate roller 41, and the ink receiving roller 25 rotates to supply ink to the plate roller 41; when the flexible end of first regulating part 81 is elongated, the messenger connects the ink roller 25 orientation to push away the direction motion of piece 8 relatively for form roller 41 provides printing ink to be convenient for the producer to adjust this and connect the relative distance between ink roller 25 and the form roller 41 according to actual production needs, avoid above-mentioned connect between ink roller 25 and the printing roller 43 apart from too big or undersize, the influence is to the effect of coloring of pattern form 42, and avoid the relief (sculpture) pattern on the pattern form 42 to be crushed, ensure the printing effect of plane pattern printing unit 1.

Referring to fig. 11, the ink output mechanism 2 further includes an ink output roller 28, claws 24 are arranged on two sides of an ink output port 23 of the upper ink box 22, the upper ink box 22 is clamped on the ink output roller 28 through the claws 24, and the bottom wall of the ink output port 23 of the upper ink box 22 abuts against the outer end surface of the ink output roller 28; go out the ink roller 28 with go up and be equipped with the ink adjusting mechanism between the ink horn 22, the ink adjusting mechanism includes a plurality of accent black parts 29, the movable setting of accent black part 29 is in on the third mounting bracket 21, accent black part 29 tip top is supported the diapire downside of ink outlet 23, transfers black part 29 to be used for adjusting the height of the relative horizontal plane of diapire of ink outlet 23.

When the ink mixing member 29 pushes up the lower side of the bottom wall of the ink outlet 23, the bottom wall of the ink outlet 23 is far away from the horizontal plane, the contact area of the ink on the ink outlet 23 and the ink roller 28 is reduced, and the amount of the ink attached to the ink roller 28 is reduced; when the pushing force of the ink mixing member 29 against the lower side of the bottom wall of the ink outlet 23 is reduced, the bottom wall of the ink outlet 23 is moved downward to be close to the horizontal plane, the contact area between the ink on the ink outlet 23 and the ink roller 28 is increased, and the amount of ink adhering to the ink roller 28 is increased.

The structure of the ink output mechanism 2 has the following beneficial effects by adopting the arrangement mode:

(1) the ink receiving rollers 25 are arranged to transfer the ink flowing out of the upper ink box 22 to finally transfer the ink to the plate roller 41, so that the distance limitation between the upper ink box 22 and the plate roller 41 is removed, and after the positions of the upper ink box 22 and the plate roller 41 are arranged according to the internal space of the printing equipment, a manufacturer can ensure that the upper ink box 22 can carry out ink loading on the plate roller 41 only by adjusting the number of the ink receiving rollers 25, in addition, the arrangement mode can design the plate roller 41 to be smaller, so that the space occupied by the plane pattern printing unit 1 is reduced;

(2) the ink distributing roller 26 is contacted with the ink receiving roller 25 attached with ink, the ink distributing roller 26 is rotated back and forth left and right to enable the ink to be evenly attached to the outer surface of the ink distributing roller 26, the ink distributing roller 26 is contacted with the ink receiving roller 25 not attached with ink, the ink distributing roller 26 is rotated back and forth left and right to enable the ink on the outer surface of the ink distributing roller 26 to be evenly attached to the outer surface of the ink receiving roller 25, the ink flowing out of the upper ink box 22 is evenly distributed through the ink distributing roller 26, and the ink is transferred to the ink receiving roller 25, so that the ink on the outer side surface of the ink receiving roller 25 is evenly distributed, the situation that excessive ink is arranged on a single position on the ink receiving roller 25 is reduced, the situation that partial relief convex surfaces on the pattern plate 42 are not attached with ink due to uneven distribution of the ink on the ink receiving roller 25 is avoided, the printing pattern is incomplete, and the color difference, thereby effectively improving the printing effect;

(3) the printing roller 43, the printing plate roller 41 and the ink receiving roller 25 are in transmission connection by adopting the transmission gear 27, so that the synchronism and the stability are good, the power transmission efficiency is high, and the response speed is high; the ink distributing roller 26 is in transmission connection or rolling contact with the adjacent ink receiving roller 25 through a transmission gear 27, the ink distributing roller 26 is in transmission connection or rolling contact with the adjacent ink receiving roller 25 through the transmission gear 27 or is driven to rotate by means of friction force generated by contact of the ink distributing roller 26 and the ink receiving roller 25, the synchronism of movement of the ink distributing roller 26 and the ink receiving roller 25 is ensured, in addition, the ink distributing roller 26 is in rolling contact with the ink receiving roller 25, pressure can be applied to the surface of the ink receiving roller 25 through the ink distributing roller 26, and ink on the ink receiving roller 25 is evenly spread.

Referring to fig. 11, the ink output mechanism 2 further includes an ink licking mechanism provided between the upper ink tank 22 and the ink receiving roller 25, the ink licking mechanism including the ink licking roller 3, the third rotary shaft 31, and the cam 34; a first reset piece 35, a first connecting arm 32 and a second connecting arm 33 are arranged on the third rotating shaft 31, the licking roller 3 is arranged corresponding to the ink outlet 23 and is arranged on the third rotating shaft 31 through the first connecting arm 32, the second connecting arm 33 is pressed against the outer side of the cam 34, and the first reset piece 35 is used for resetting the third rotating shaft 31; when the cam 34 moves, the third rotating shaft 31 rotates to make the licking roller 3 reciprocate between the upper ink box 22 and the ink receiving roller 25, and the ink flowing out from the ink outlet 23 is adhered and then transferred to the ink receiving roller 25.

The ink licking mechanism is simple in structure, small in number of parts, convenient to mount and dismount and easy to replace wearing parts, the ink licking roller 3 is driven by the cam 34 to swing back and forth between the upper ink box 22 and the ink receiving rollers 25, so that the ink volume transmitted between the ink receiving rollers 25 is effectively controlled, the response speed is high, the reliability is high, the ink consumption can be saved, and the production cost is reduced.

Referring to fig. 9 to 10, a transmission member 36 and a guide member 39 are disposed on the third mounting frame 21, the guide member 39 is rotatably disposed on the outer side of the third mounting frame 21 corresponding to the cam 34, the axis of the cam 34 is connected with the axis of the guide member 39, a curved track 390 is disposed on the guide member 39, and the curved track 390 is annularly disposed on the outer periphery of the guide member 39; the driving medium 36 includes installation department 37 and oscillating portion 38, installation department 37 sets up the third mounting bracket 21 outside, the rotatable setting of oscillating portion 38 is in on the installation department 37, the movable insertion of oscillating portion 38 one end in the curve track 390, the other end with the part that the even ink roller 262 of second is located and is connected the third mounting bracket 21 outside is connected.

The cam 34 drives the guide piece 39 to rotate when moving, the guide piece 39 rotates and drives the swinging part 38 to swing, the swinging part 38 is connected with one end of the ink distributing roller 26 to swing back and forth from a position close to the third mounting frame 21 to a position far away from the third mounting frame 21 so as to drive the ink distributing roller 26 to do left and right reciprocating motion, and by adopting the arrangement mode, an external power source is not needed to be arranged to drive the ink distributing roller 26 to move, so that the production and operation cost of the ink jet printer is reduced, in addition, the periodic motion of the ink distributing roller 26 is consistent with the periodic motion of the ink licking mechanism, so that the motion synchronism of each part of the ink output mechanism 2 is improved when the ink output mechanism 2 operates, and the ink is stably supplied to a printing component.

Referring to fig. 2, the material pushing mechanism comprises a driver (not shown in the figure), a linkage belt 13 and a plurality of material pushing pieces 14, the linkage belt 13 is arranged on the side portion of the guide rail 11 and arranged along the length direction of the guide rail 11, the plurality of material pushing pieces 14 are equidistantly arranged on the linkage belt 13, and the driver is used for driving the linkage belt 13 to move so that the material pushing pieces 14 push the paper-plastic packaging box to move along the direction of the guide rail 11; the printing plate roller 41 is in transmission connection with the printing roller 43, and the driver drives the printing roller 43 to rotate.

The material pushing mechanism has the following beneficial effects by adopting the arrangement mode:

(1) the material pushing mechanism is simple in structure, parts are easy to obtain, and production, installation and later maintenance are convenient, in addition, the speed of pushing the paper-plastic packaging box by the material pushing mechanism can be adjusted by adjusting the distance between the material pushing pieces 14, and the difficulty of adjusting the paper-plastic packaging box plane pattern printing device by production personnel is reduced, so that the popularization and the use of the paper-plastic packaging box plane pattern printing device are convenient;

(2) the plane pattern printing unit 1 is driven by a driver of the pushing mechanism to work, and the plane pattern printing unit 1 and the linkage belt 13 share one power source, so that the plane pattern printing unit 1 and the linkage belt 13 are linked, the cooperativity of the plane pattern printing unit 1 and the linkage belt 13 during movement is ensured, and the working stability of the paper-plastic packaging box during printing is improved.

Example two

Referring to fig. 12 to 13, the present embodiment provides a paper-plastic packing box plane pattern printing apparatus for printing the lower end surface of a paper-plastic packing box.

The paper-plastic packaging box plane pattern printing device of the embodiment comprises a frame 10, a conveying mechanism and a plane pattern printing unit 1; the conveying mechanism and the plane pattern printing unit 1 are arranged on the frame 10; the conveying mechanism comprises a guide rail 11 and a pushing mechanism, and the pushing mechanism is used for pushing the paper-plastic packaging box to the plane pattern printing unit 1 along the guide rail 11; the plane pattern printing unit 1 is arranged on a guide rail 11, the plane pattern printing unit 1 comprises an ink output mechanism 2 and a printing assembly, the ink output mechanism 2 is connected with the printing assembly, and the ink output mechanism 2 is used for supplying ink to the printing assembly; the printing component is provided with a pattern printing plate (not shown in the figure), the pattern printing plate can be attached with printing ink and form a printing pattern, and the printing component can be contacted with the end face of the paper-plastic packaging box to print the printing pattern on the end face of the paper-plastic packaging box.

The plane pattern printing unit 1 is arranged below the guide rail 11; the printing assembly comprises a support 4, a printing plate roller 41 and a printing roller 43, wherein the printing plate roller 41 is axially and rotatably arranged on the support 4, the printing roller 43 is arranged at a position capable of rolling and contacting with the printing plate roller 41, and the printing roller 53 and the printing plate roller 41 can synchronously rotate; the pattern printing plate is arranged on the outer side of the printing plate roller 41, a printing block 44 is arranged on the outer side of the printing roller 43, when the printing roller 43 and the printing plate roller 41 rotate synchronously, the pattern printing plate is contacted with the printing block 44, so that a pattern is formed on the printing block 44, and the printing block 44 can print the pattern on the paper-plastic packaging box.

Support 4 includes first mounting bracket 51 and second mounting bracket 52, second mounting bracket 52 sets up on first mounting bracket 51, printing roller 43 is located second mounting bracket 52 top, printing plate roller 41 sets up on second mounting bracket 52, second mounting bracket 52 front end and first mounting bracket 51 upper end swing joint, and second mounting bracket 52 rear end passes through pressure adjustment mechanism with first mounting bracket 51 lateral part to be connected, pressure adjustment mechanism includes pressure regulator 53, pressure regulator 53 one end is connected second mounting bracket 52 rear end, and first mounting bracket 51 lateral part is connected to the other end.

A first distance adjusting mechanism is arranged between the first mounting frame 51 and the second mounting frame 52 and used for adjusting the relative position between the first mounting frame 51 and the second mounting frame 52; the first spacing adjustment mechanism comprises a chain (not shown in the figure), a first rotating shaft 55 and a second rotating shaft 56, the first rotating shaft 55 and the second rotating shaft 56 are arranged on the first mounting frame 51, adjusting gears 57 are arranged at the end parts of the first rotating shaft 55 and the second rotating shaft 56, and the two adjusting gears 57 are connected through the chain; the first rotating shaft 55 is an eccentric shaft, one end of the pressure regulator 53 located on the first mounting frame 51 is connected to the first rotating shaft 55, and specifically, one end of the pressure regulator 53 located on the first mounting frame 51 is connected to the axis of the first rotating shaft 55.

The working principle of the first distance adjusting mechanism is as follows: the axle center of the first rotating shaft 55 is close to the inner end of the first mounting frame 51, the first rotating shaft 55 is driven to rotate by pulling the chain, when the axle center of the first rotating shaft 55 deviates to the side part of the first mounting frame 51, the first rotating shaft 55 pushes the second mounting frame 52 to move towards the inner end of the first mounting frame 51 through the pressure regulator 53, and the axle center distance between the printing roller 43 and the printing plate roller 41 is shortened.

Referring to fig. 13, in the present embodiment, the bracket 4 is connected to an external device through a horizontal adjustment mechanism, where the horizontal adjustment mechanism includes a slide rail 71 and a sliding member 72; the slide rail 71 is arranged at the lower part of the bracket 4, the sliding part 72 is arranged on an external device, and the sliding part 72 is arranged on the slide rail 71 in a sliding way; alternatively, the slide rail 71 is disposed on an external device, the sliding member 72 is disposed at a lower portion of the bracket 4, and the sliding member 72 is slidably disposed on the slide rail 71.

The present embodiment is another arrangement of the planar pattern printing unit 1 of the first embodiment, and is different from the first embodiment only in the arrangement of the printing roller 43, and therefore, other structures in the first embodiment not described in the present embodiment can be applied to the present embodiment, and the structures in the first embodiment not described in the present embodiment fall within the scope disclosed in the present embodiment.

The first embodiment and the second embodiment respectively provide a paper-plastic packaging box plane pattern printing device for printing the upper end surface or the lower end surface of a paper-plastic packaging box, and the two paper-plastic packaging box plane pattern printing devices are mainly characterized in that the relative positions of a printing roller 43 and a printing plate roller 41 on a plane pattern printing unit 1 are adjusted, so that the plane pattern printing unit 1 can realize different printing effects, is convenient and fast to assemble and low in adjustment difficulty, and therefore, production personnel can conveniently and fast adjust the paper-plastic packaging box plane pattern printing device to meet actual printing requirements, the application range of the paper-plastic packaging box plane pattern printing device is widened, and production cost is reduced.

EXAMPLE III

The present embodiment is a modification of the first and second embodiments, and is different from the first and second embodiments in the structure of the printing unit and in that a plurality of the ink output mechanisms 2 are provided.

Referring to fig. 15 to 17, a paper plastic packing box plane pattern printing apparatus for printing the upper surface of a paper plastic packing box is modified: the printing assembly comprises at least two printing plate rollers 41 and a printing roller 43, and the two printing plate rollers 41 and the printing roller 43 are arranged on the bracket 4 in a manner of being parallel to the axial direction of the upper end surface of the bracket 4 and capable of rotating; two plate rollers 41 are provided at the front and rear ends of the printing roller 43.

When two printing plate rollers 41 are arranged, the second mounting bracket 52 corresponding to one printing plate roller 41 is connected with the first mounting bracket 51 through a first rotating shaft 55, the second mounting bracket 52 corresponding to the other printing plate roller 41 is connected with the first mounting bracket 51 through a second rotating shaft 56, and at this time, the second rotating shaft 56 is an eccentric shaft; when the number of the plate printing rollers 41 is N (N > 2), the number of the second rotating shafts 56 is N-1, and the (N-1) second rotating shafts 56 are eccentric shafts. In this embodiment, the axial center deviation position of the second rotating shaft 56 is set according to actual conditions.

The number of the ink output mechanisms 2 is at least two corresponding to the printing plate rollers 41, and the plurality of ink output mechanisms 2 respectively provide ink for the plurality of printing plate rollers 41.

By arranging a plurality of printing plate rollers 41 and a plurality of printing ink output mechanisms 2, the plane pattern printing unit 1 can print patterns with a plurality of different colors on the end face of the paper-plastic packaging box and print different patterns with a plurality of different colors, thereby forming a multicolor picture on the side face of the paper-plastic packaging box.

Referring to fig. 18, a drawing is provided for a modified paper-plastic package plane pattern printing device for printing the lower end surface of the paper-plastic package, which is the same as the above-mentioned modified paper-plastic package plane pattern printing device for printing the upper end surface of the paper-plastic package, and will not be described in detail here.

Example four

Referring to fig. 19, the present embodiment is a modified version of the first embodiment, the second embodiment and the third embodiment, and is different from the first embodiment, the second embodiment and the third embodiment in that: the planar pattern printing unit 1 is provided in two.

The two plane pattern printing units 1 are arranged, wherein one plane pattern printing unit 1 is arranged above the guide rail 11, and the other plane pattern printing unit 1 is arranged below the guide rail 11; the printing roller 43 is disposed on the side of the plate roller 41 close to the guide rail 11.

A group of plane pattern printing units 1 are respectively arranged above and below the guide rail 11 of the paper-plastic packaging box plane pattern printing device by production personnel, so that the upper end surface and the lower end surface of the paper-plastic packaging box can be printed simultaneously, and the attractiveness and the recognition degree of the paper-plastic packaging box are improved.

The printing roller 43 provided above the guide rail 11 is provided in alignment with the printing roller 43 provided below the guide rail 11.

In this embodiment, the guide rail 11 is provided with an avoiding groove (not shown) corresponding to the printing roller 43 arranged below the guide rail 11, so that when the paper-plastic packaging box moves from the guide rail to a position contacting with the plane pattern printing unit 1, the plane pattern printing unit 1 arranged below the guide rail 11 can print the lower end face of the paper-plastic packaging box.

The arrangement mode has the following beneficial effects: when setting up the plane pattern printing unit 1 in guide rail 11 top and moulding the packing carton up end to paper and print, the plane pattern printing unit 1 that sets up in guide rail 11 below can support the packing carton inboard simultaneously to paper (or, when setting up plane pattern printing unit 1 that is in guide rail 11 below moulding the packing carton down the terminal surface and printing, the plane pattern printing unit 1 that sets up in guide rail 11 top supports the packing carton outside to paper), thereby avoid because plane pattern printing unit 1 moulds the pressure that the packing carton up end was applyed too big to paper, lead to paper to mould the packing carton and take place deformation or even impaired, thereby improve the effect of plane pattern printing unit 1 printing, and then improve the aesthetic property of the packing carton is moulded to paper after the printing pattern.

In this embodiment, the pushing equipment has the following beneficial effects: the two plane pattern printing units 1 are driven by the driver of the material pushing mechanism to work, so that the two plane pattern printing units 1 can simultaneously print two opposite outer side surfaces of the paper-plastic packaging box, the printing effect of the paper-plastic packaging box is improved, in addition, the arrangement mode can reduce the phenomenon that the plane pattern printing units 1 are driven to work by arranging another power source on the paper-plastic packaging box, the internal structure of the paper-plastic packaging box is simplified, and the production and maintenance cost of equipment is reduced.

Compared with the prior art, the plane pattern printing device for the paper-plastic packaging box is characterized in that the plane pattern printing unit 1 with the printing component is arranged on the conveying mechanism, and by utilizing the pattern printing plate 42 arranged on the printing component, when the pattern printing plate 42 is coated with ink and forms a printing pattern, and the pattern printing plate 42 is contacted with the end face of the paper-plastic packing box, the pattern printing plate 42 prints the pattern on the end face of the paper-plastic packing box, thereby realizing the automatic printing of the patterns on the end surface of the paper-plastic packaging box, improving the printing efficiency of the invention, in addition, when patterns with rich colors, special composition and high marks are required to be printed on the end surface of the paper-plastic packaging box, only the types of the ink on the ink output mechanism 2 need to be adjusted, and the pattern printing plate 42 on the printing component is replaced by the pattern printing plate 42 with other different patterns, the operation is simple and convenient, and the application range of the invention is improved.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.

Claims (10)

1. The paper-plastic packaging box plane pattern printing device is characterized by comprising a rack, a conveying mechanism and a plane pattern printing unit;

the conveying mechanism and the plane pattern printing unit are arranged on the rack, the conveying mechanism comprises a guide rail and a pushing mechanism, and the pushing mechanism is used for pushing the paper-plastic packaging box to the plane pattern printing unit along the guide rail;

the plane pattern printing unit comprises an ink output mechanism and a printing assembly, wherein the ink output mechanism is connected with the printing assembly and is used for supplying ink to the printing assembly;

the printing assembly is provided with a pattern printing plate, the pattern printing plate can be attached with printing ink and form a printing pattern, and the printing assembly can be in contact with the end face of the paper-plastic packaging box to print the printing pattern on the end face of the paper-plastic packaging box.

2. A paper-plastic packing box plane pattern printing device according to claim 1, wherein the printing assembly comprises a support, a printing plate roller and a printing roller, the printing plate roller is arranged on the support, the printing roller is arranged at a position where the printing plate roller can be in rolling contact with the printing plate roller, and the printing roller and the printing plate roller can synchronously rotate;

the pattern printing plate is arranged outside the printing plate roller, a printing block is arranged outside the printing roller, when the printing roller and the printing plate roller rotate synchronously, the pattern printing plate contacts with the printing block to form patterns on the printing block, and the printing block can print the patterns on the paper plastic packaging box.

3. A paper-plastic packing box plane pattern printing device according to claim 2, wherein the plane pattern printing unit is disposed above the guide rail;

the support includes first mounting bracket and second mounting bracket, the second mounting bracket sets up on first mounting bracket, the printing roller sets up on first mounting bracket, the printing plate roller sets up on the second mounting bracket, second mounting bracket front end and first mounting bracket upper end swing joint, and second mounting bracket rear end passes through pressure adjustment mechanism with first mounting bracket lateral part to be connected, pressure adjustment mechanism includes pressure regulator, pressure regulator one end is connected first mounting bracket lateral part is connected to second mounting bracket rear end, the other end.

4. A paper-plastic packing box plane pattern printing device according to claim 2, wherein the plane pattern printing unit is disposed below the guide rail;

the support includes first mounting bracket and second mounting bracket, the second mounting bracket sets up on first mounting bracket, the printing roller is located second mounting bracket top, the printing plate roller sets up on the second mounting bracket, second mounting bracket front end and first mounting bracket upper end swing joint, and second mounting bracket rear end passes through pressure adjustment mechanism with first mounting bracket lateral part to be connected, pressure adjustment mechanism includes pressure regulator, pressure regulator one end is connected first mounting bracket rear end, first mounting bracket lateral part is connected to the other end.

5. A paper-plastic packaging box plane pattern printing device according to claim 1, characterized in that a first spacing adjusting mechanism is arranged between the first mounting frame and the second mounting frame, and the first spacing adjusting mechanism is used for adjusting the relative position between the first mounting frame and the second mounting frame;

the first distance adjusting mechanism comprises a chain, a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are arranged on the first mounting frame, adjusting gears are arranged at the end parts of the first rotating shaft and the second rotating shaft, and the two adjusting gears are connected through the chain;

the first rotating shaft is an eccentric shaft, and the pressure regulator is positioned at one end of the first mounting frame and connected with the first rotating shaft.

6. A paper and plastic packaging box plane pattern printing device as claimed in claim 2, wherein the ink output mechanism comprises a third mounting frame, an upper ink box, an ink receiving roller and an ink distributing roller, and the ink distributing roller can rotate back and forth left and right; the ink feeding box, the ink receiving roller and the ink distributing roller are arranged on a third mounting frame, and the third mounting frame is connected with the second mounting frame; the upper ink box is used for storing ink, and an ink outlet is formed in the upper ink box; the ink receiving roller is used for receiving the ink flowing out from the upper ink box and transferring the ink to an ink distributing roller or a form roller or another ink receiving roller, and the ink distributing roller is used for uniformly mixing the ink and transferring the ink to the ink receiving roller so that the ink is uniformly distributed on the outer side surface of the ink receiving roller;

the third mounting rack is provided with a pushing block, and the pushing block is positioned between the projection point of the printing plate roller on the second mounting rack and the projection point of the ink receiving roller for providing ink for the printing plate roller on the third mounting rack; a second spacing adjusting mechanism is arranged between the third mounting frame and the second mounting frame and comprises a first adjusting piece and a first elastic piece, the first adjusting piece is linked with an ink receiving roller for providing ink for a printing plate roller, and a telescopic end of the first adjusting piece abuts against the ejection block; one end of the first elastic piece is connected with the third mounting frame, and the other end of the first elastic piece is connected with an ink receiving roller for providing ink for the plate printing roller and applying pressure towards the direction of the plate printing roller to the ink receiving roller.

7. A paper-plastic packing box plane pattern printing device according to claim 2, wherein there are two plane pattern printing units, one of which is disposed above the guide rail and the other of which is disposed below the guide rail;

the printing roller is arranged on one side, close to the guide rail, of the plate printing roller.

8. A paper-plastic packing box plane pattern printing device according to claim 7, characterized in that the printing roller arranged above the guide rail is arranged in alignment with the printing roller arranged below the guide rail.

9. The paper-plastic packaging box plane pattern printing device as claimed in claim 2 or 7, wherein at least two printing plate rollers are arranged, and the two printing plate rollers are oppositely arranged at the front end and the rear end of the printing roller;

the printing ink output mechanisms are at least two corresponding printing plate rollers, and the two printing ink output mechanisms respectively provide printing ink for the two printing plate rollers.

10. The paper-plastic packaging box plane pattern printing device according to claim 2 or 7, wherein the material pushing mechanism comprises a driver, a linkage belt and a plurality of pushing members, the linkage belt is arranged on the side portion of the guide rail and arranged along the length direction of the guide rail, the plurality of pushing members are equidistantly arranged on the linkage belt, and the driver is used for driving the linkage belt to move so that the pushing members push the paper-plastic packaging box to move along the direction of the guide rail;

the printing plate roller is in transmission connection with the printing roller, and the driver drives the printing roller to rotate.

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