阅读说明：本技术 一种包装纸箱双面印刷装置 (Packing carton two-sided printing device ) 是由 凌剑强 于 2021-04-20 设计创作，主要内容包括：本公开提供一种包装纸箱双面印刷装置,包括：中心印刷架,所述中心印刷架的中间设置有中心驱动轴,所述中心驱动轴的外端设置有固定端头,所述固定端头的中间设置有导向弧形槽,所述中心驱动轴的内端设置有同步齿轮,所述同步齿轮的轴端设置有同步电机；印刷转辊,设置于所述中心驱动轴的外侧。本发明的印刷转辊可以通过水平滑动嵌套安装到中心驱动轴上,而中心驱动轴后侧对应设置的卷辊储存仓中的调节旋转架通过横向承载轴同时装载储存多个印刷转辊,通过转动调节旋转架将不同的印刷转辊转动至连接套筒后侧,并使U型推板将横向承载轴上装载的印刷转辊水平推动至中心驱动轴上,以便于对印刷转辊进行快速调节更换,调节使用更加方便快捷。(The present disclosure provides a packing carton two-sided printing device, includes: the center printing frame is provided with a center driving shaft in the middle, the outer end of the center driving shaft is provided with a fixed end socket, the middle of the fixed end socket is provided with a guide arc-shaped groove, the inner end of the center driving shaft is provided with a synchronous gear, and the shaft end of the synchronous gear is provided with a synchronous motor; and the printing roller is arranged on the outer side of the central driving shaft. The printing rotating roller can be nested and installed on the central driving shaft through horizontal sliding, the adjusting rotating frame in the winding roller storage bin correspondingly arranged on the rear side of the central driving shaft simultaneously loads and stores a plurality of printing rotating rollers through the transverse bearing shaft, different printing rotating rollers are rotated to the rear side of the connecting sleeve through rotating the adjusting rotating frame, and the printing rotating rollers loaded on the transverse bearing shaft are horizontally pushed to the central driving shaft by the U-shaped push plate, so that the printing rotating rollers can be quickly adjusted and replaced, and the adjusting and the using are more convenient and quick.)

1. A packing carton two-sided printing device which characterized in that includes:

the center printing frame is provided with a center driving shaft in the middle, the outer end of the center driving shaft is provided with a fixed end socket, the middle of the fixed end socket is provided with a guide arc-shaped groove, the inner end of the center driving shaft is provided with a synchronous gear, and the shaft end of the synchronous gear is provided with a synchronous motor;

the printing rotating roller is arranged on the outer side of the central driving shaft, a central sleeve is arranged in the center of the printing rotating roller, lateral limiting ends are arranged at the left end and the right end of the central sleeve, and a magnetic connecting plate is arranged in the middle of each lateral limiting end;

the horizontal conveying frame is symmetrically arranged on the front side and the rear side of the central printing frame, a conveying clamping groove is formed in the middle of the horizontal conveying frame, a lateral limiting roller is arranged in the middle of the conveying clamping groove, clamping rollers are symmetrically arranged on the upper side and the lower side of the lateral limiting roller, a synchronous belt pulley is arranged at the shaft end of each clamping roller, a transmission belt is arranged on the outer side of each synchronous belt pulley, a driving belt pulley is arranged at the rear end of each transmission belt, and a conveying motor is arranged at the shaft end of each driving belt pulley;

the movable clamping frame is symmetrically arranged on the left side and the right side of the fixed end head, an arc-shaped clamping groove is formed in the middle of the movable clamping frame, an embedded ball is arranged in the middle of the arc-shaped clamping groove, connecting sliding sleeves are arranged at the upper end and the lower end of the movable clamping frame, a fixed guide rod is embedded in the connecting sliding sleeves, and a driving cylinder is arranged on the rear side of the movable clamping frame;

the connecting sleeve is arranged on the rear side of the fixed end, an inclined flow guide groove is formed in the bottom of the connecting sleeve, a drain pipe is arranged at the bottom of the inclined flow guide groove, an annular cleaning pipe is arranged on the inner side of the connecting sleeve, cleaning nozzles are uniformly arranged on the inner side of the annular cleaning pipe in a surrounding mode, an annular high-pressure air pipe is arranged on the rear side of the annular cleaning pipe, and high-pressure air nozzles are uniformly arranged on the inner side of the annular high-pressure air pipe in a surrounding mode;

the winding roller storage bin is arranged on the rear side of the connecting sleeve, a transverse threaded sleeve is arranged at the bottom of the rear side face of the winding roller storage bin, a threaded sleeve gear is arranged on the outer side of the transverse threaded sleeve, a driving gear is arranged on the lower side of the threaded sleeve gear, a driving motor is arranged at the shaft end of the driving gear, and a transverse guide frame is arranged on the inner side of the transverse threaded sleeve;

the adjusting rotating frame is arranged inside the winding roller storage bin, a plurality of transverse bearing shafts are arranged in the middle of the adjusting rotating frame in parallel, an adjusting rotating shaft is arranged at the center of the adjusting rotating frame, and an adjusting motor is arranged at the shaft end of the adjusting rotating shaft;

the U type push pedal set up in the outside of horizontal leading truck, the centre of U type push pedal is provided with the intercommunication groove of stepping down, the front side of U type push pedal is provided with the adsorption electromagnet, the rear side of U type push pedal is provided with horizontal screw rod.

2. The double-sided printing device for the packaging carton according to claim 1, wherein the central driving shafts are arranged in parallel in an up-and-down symmetrical manner about a horizontal center line of the central printing frame, and the synchronous gears are meshed with each other to form a transmission mechanism.

3. The double-sided printing apparatus for packaging cartons as claimed in claim 1, wherein said printing rollers are slidably connected to said central drive shaft by means of a central sleeve, said central sleeve and said central drive shaft being cooperatively dimensioned.

4. The double-sided printing device for the packaging cartons as claimed in claim 1, wherein the conveying clamping grooves are symmetrically arranged in parallel at left and right sides with respect to the horizontal center line of the horizontal conveying frame, and the lateral limiting rollers are arranged in parallel at regular intervals along the horizontal center line of the conveying clamping grooves.

5. The double-sided printing apparatus for packaging cartons as claimed in claim 1, wherein said arcuate slots are sized to mate with said anchor stubs, and said guide arcuate slots are sized to mate with said engagement balls.

6. The double-sided printing device for the packaging cartons as claimed in claim 1, wherein the movable clamping frame is slidably connected with the fixed guide rod through the connecting sliding sleeve, and the horizontal center line of the fixed guide rod is perpendicular to the axial center line of the central driving shaft.

7. The double-sided printing device for the packaging carton according to claim 1, wherein the horizontal center line of the connecting sleeve and the axial center line of the central driving shaft are located on the same horizontal straight line, and the horizontal center line of the annular cleaning tube and the horizontal center line of the annular high-pressure air tube are both located on the same horizontal straight line with the horizontal center line of the connecting sleeve.

8. The double-sided printing device for packaging cartons as claimed in claim 1, wherein the adjusting rotating frame is rotatably connected with the roller storage bin through the adjusting rotating shaft, the transverse bearing shafts are uniformly and parallelly arranged in a circumferential manner around a horizontal center line of the adjusting rotating frame, and an axial center line of the transverse bearing shafts is parallel to an axial center line of the central driving shaft.

9. The double-sided printing device for the packaging cartons as claimed in claim 1, wherein the U-shaped push plate is in transmission connection with the transverse screw rods through the transverse screw sleeves, the axial center lines of the transverse screw rods and the transverse bearing shaft are parallel to each other, and the screw sleeve gears and the driving gears are meshed with each other to form a transmission mechanism.

10. The double-sided printing device for the packaging carton according to claim 1, wherein the communicating and avoiding groove is matched with the transverse guide frame in size, and the communicating and avoiding groove is matched with the transverse bearing shaft and the central driving shaft in size.

Technical Field

The utility model relates to a packing carton printing processing technology field especially relates to a packing carton two-sided printing device.

Background

Packing carton mainly used all kinds of product's packing transportation, packing carton is lighter than wooden case, and its raw materials is plain paper, can be with preparation such as wood pulp, straw pulp, simultaneously, the carton also can conveniently be recycled, so its cost is also lower, and the carton can fold, it occupies a space less, be convenient for store and transport, and because the planarization of paper, the carton also is convenient for carry out printing process, and the carton carries out big batch printing man-hour, use rubber roll printing usually, the carton carries out horizontal transport's in-process, through the rotation rubber roll that corresponds, in order to print corresponding pattern on its surface.

The applicant finds that the current packaging carton printing device is only provided with one printing rubber roll generally, one pattern is printed and processed on the carton, when the printed pattern needs to be adjusted, the corresponding printing rubber roll is required to be detached frequently, the required printing rubber roll is arranged on the equipment, the whole replacement and adjustment steps are complicated, the adjustment and replacement efficiency is low, the equipment cannot be continuously processed in the adjustment process, and therefore the whole processing efficiency is low.

Disclosure of Invention

In view of this, the present disclosure aims to provide a double-sided printing device for a packaging carton, so as to solve the problem that when a printed pattern needs to be adjusted, the step of detaching and replacing a corresponding printing rubber roller is complex, the replacement efficiency is low, and the overall processing efficiency is low.

Based on above-mentioned purpose, this disclosure provides a packing carton two-sided printing device, includes:

the center printing frame is provided with a center driving shaft in the middle, the outer end of the center driving shaft is provided with a fixed end socket, the middle of the fixed end socket is provided with a guide arc-shaped groove, the inner end of the center driving shaft is provided with a synchronous gear, and the shaft end of the synchronous gear is provided with a synchronous motor;

the printing rotating roller is arranged on the outer side of the central driving shaft, a central sleeve is arranged in the center of the printing rotating roller, lateral limiting ends are arranged at the left end and the right end of the central sleeve, and a magnetic connecting plate is arranged in the middle of each lateral limiting end;

the horizontal conveying frame is symmetrically arranged on the front side and the rear side of the central printing frame, a conveying clamping groove is formed in the middle of the horizontal conveying frame, a lateral limiting roller is arranged in the middle of the conveying clamping groove, clamping rollers are symmetrically arranged on the upper side and the lower side of the lateral limiting roller, a synchronous belt pulley is arranged at the shaft end of each clamping roller, a transmission belt is arranged on the outer side of each synchronous belt pulley, a driving belt pulley is arranged at the rear end of each transmission belt, and a conveying motor is arranged at the shaft end of each driving belt pulley;

the movable clamping frame is symmetrically arranged on the left side and the right side of the fixed end head, an arc-shaped clamping groove is formed in the middle of the movable clamping frame, an embedded ball is arranged in the middle of the arc-shaped clamping groove, connecting sliding sleeves are arranged at the upper end and the lower end of the movable clamping frame, a fixed guide rod is embedded in the connecting sliding sleeves, and a driving cylinder is arranged on the rear side of the movable clamping frame;

the connecting sleeve is arranged on the rear side of the fixed end, an inclined flow guide groove is formed in the bottom of the connecting sleeve, a drain pipe is arranged at the bottom of the inclined flow guide groove, an annular cleaning pipe is arranged on the inner side of the connecting sleeve, cleaning nozzles are uniformly arranged on the inner side of the annular cleaning pipe in a surrounding mode, an annular high-pressure air pipe is arranged on the rear side of the annular cleaning pipe, and high-pressure air nozzles are uniformly arranged on the inner side of the annular high-pressure air pipe in a surrounding mode;

the winding roller storage bin is arranged on the rear side of the connecting sleeve, a transverse threaded sleeve is arranged at the bottom of the rear side face of the winding roller storage bin, a threaded sleeve gear is arranged on the outer side of the transverse threaded sleeve, a driving gear is arranged on the lower side of the threaded sleeve gear, a driving motor is arranged at the shaft end of the driving gear, and a transverse guide frame is arranged on the inner side of the transverse threaded sleeve;

the adjusting rotating frame is arranged inside the winding roller storage bin, a plurality of transverse bearing shafts are arranged in the middle of the adjusting rotating frame in parallel, an adjusting rotating shaft is arranged at the center of the adjusting rotating frame, and an adjusting motor is arranged at the shaft end of the adjusting rotating shaft;

the U type push pedal set up in the outside of horizontal leading truck, the centre of U type push pedal is provided with the intercommunication groove of stepping down, the front side of U type push pedal is provided with the adsorption electromagnet, the rear side of U type push pedal is provided with horizontal screw rod.

In some alternative embodiments, the central driving shafts are arranged in parallel and are symmetrical up and down about the horizontal center line of the central printing frame, and the synchronous gears are meshed with each other to form a transmission mechanism.

In some alternative embodiments, the printing roller is slidably coupled to the central drive shaft by a central sleeve, the central sleeve and the central drive shaft being cooperatively dimensioned.

In some optional embodiments, the conveying clamping grooves are symmetrically arranged in parallel on the left side and the right side of the horizontal center line of the horizontal conveying frame, and the lateral limiting rollers are evenly arranged in parallel at intervals along the direction of the horizontal center line of the conveying clamping grooves.

In some alternative embodiments, the arc-shaped slot is matched with the fixing end head in size, and the guide arc-shaped slot is matched with the embedded ball in size.

In some optional embodiments, the movable clamping frame is slidably connected with the fixed guide rod through the connecting sliding sleeve, and a horizontal center line of the fixed guide rod is perpendicular to an axial center line of the central driving shaft.

In some optional embodiments, the horizontal center line of the connecting sleeve and the axial center line of the central driving shaft are located on the same horizontal straight line, and the horizontal center line of the annular cleaning pipe and the horizontal center line of the annular high-pressure air pipe are both located on the same horizontal straight line with the horizontal center line of the connecting sleeve.

In some optional embodiments, the adjusting rotary frame is rotatably connected to the roller storage bin through the adjusting rotary shaft, the transverse bearing shafts are uniformly and parallelly arranged in a circumferential manner around a horizontal center line of the adjusting rotary frame, and an axial center line of the transverse bearing shafts is parallel to an axial center line of the central driving shaft.

In some optional embodiments, the U-shaped push plate is in transmission connection with the transverse screw rod through the transverse screw, an axial center line of the transverse screw rod is parallel to an axial center line of the transverse bearing shaft, and the screw sleeve gear and the driving gear are meshed with each other to form a transmission mechanism.

In some optional embodiments, the communicating and avoiding groove is matched with the transverse guide frame in size, and the communicating and avoiding groove is matched with the transverse bearing shaft and the central driving shaft in size.

From the above, the double-sided printing device for the packaging cartons, provided by the disclosure, can synchronously print and process the two sides of the cartons passing through the printing rotating rollers symmetrically arranged on the central printing frame, and the printing roller can be installed outside the central driving shaft on the central printing frame or removed through a horizontal sliding nest, so as to replace the printing roller, a roller storage bin is correspondingly arranged at the rear side of the central driving shaft, an adjusting rotating frame in the roller storage bin can simultaneously load and store a plurality of printing rotating rollers through a transverse bearing shaft, and through rotating the printing of adjusting the swivel mount with the difference and changeing the roller and rotate to the connecting sleeve rear side to change the printing that the epaxial loading of transversely bearing changes the roller level through the U type push pedal that can translate and promote to the central drive epaxial, so that change the printing roller and carry out the quick adjustment, adjust and use convenient and fast more.

Drawings

In order to more clearly illustrate the technical solutions in the present disclosure or related technologies, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present disclosure;

FIG. 2 is a schematic front view of an embodiment of the present disclosure;

FIG. 3 is a schematic structural diagram of a center print carriage according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a horizontal transfer rack according to an embodiment of the disclosure;

FIG. 5 is a schematic structural diagram of a mobile card holder according to an embodiment of the disclosure;

FIG. 6 is a schematic structural view of a coupling sleeve according to an embodiment of the present disclosure;

FIG. 7 is a schematic view of the internal structure of a storage compartment for a winding roller according to an embodiment of the disclosure;

fig. 8 is a schematic partial structure diagram of a roll storage bin according to an embodiment of the disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.

It is to be noted that technical terms or scientific terms used in the embodiments of the present disclosure should have a general meaning as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in the embodiments of the disclosure is not intended to indicate any order, quantity, or importance, but rather to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The utility model discloses, a packing carton two-sided printing device includes:

the printing device comprises a central printing frame 1, wherein a central driving shaft 101 is arranged in the middle of the central printing frame 1, a fixed end head 102 is arranged at the outer end of the central driving shaft 101, a guide arc-shaped groove 103 is arranged in the middle of the fixed end head 102, a synchronous gear 104 is arranged at the inner end of the central driving shaft 101, and a synchronous motor 105 is arranged at the shaft end of the synchronous gear 104;

the printing rotating roller 2 is arranged on the outer side of the central driving shaft 101, a central sleeve 201 is arranged in the center of the printing rotating roller 2, lateral limiting ends 202 are arranged at the left end and the right end of the central sleeve 201, and a magnetic connecting plate 203 is arranged in the middle of each lateral limiting end 202;

the horizontal conveying frame 3 is symmetrically arranged on the front side and the rear side of the central printing frame 1, a conveying clamping groove 301 is arranged in the middle of the horizontal conveying frame 3, a lateral limiting roller 302 is arranged in the middle of the conveying clamping groove 301, clamping rollers 303 are symmetrically arranged on the upper side and the lower side of the lateral limiting roller 302, a synchronous belt pulley 304 is arranged at the shaft end of the clamping roller 303, a transmission belt 305 is arranged on the outer side of the synchronous belt pulley 304, a driving belt pulley 306 is arranged at the rear end of the transmission belt 305, and a conveying motor 307 is arranged at the shaft end of the driving belt pulley 306;

the movable clamping frame 4 is symmetrically arranged at the left side and the right side of the fixed end head 102, an arc-shaped clamping groove 401 is arranged in the middle of the movable clamping frame 4, an embedded ball 402 is arranged in the middle of the arc-shaped clamping groove 401, the upper end and the lower end of the movable clamping frame 4 are both provided with a connecting sliding sleeve 403, a fixed guide rod 404 is embedded in the inner side of the connecting sliding sleeve 403, and a driving cylinder 405 is arranged at the rear side of the movable clamping frame 4;

the connecting sleeve 5 is arranged on the rear side of the fixed end head 102, the bottom of the connecting sleeve 5 is provided with an inclined guide groove 501, the bottom of the inclined guide groove 501 is provided with a drain pipe 502, the inner side of the connecting sleeve 5 is provided with an annular cleaning pipe 503, the inner side of the annular cleaning pipe 503 is uniformly provided with a cleaning nozzle 504 in a surrounding manner, the rear side of the annular cleaning pipe 503 is provided with an annular high-pressure air pipe 505, and the inner side of the annular high-pressure air pipe 505 is uniformly provided with a high-pressure air jet 506 in a surrounding manner;

the winding roller storage bin 6 is arranged on the rear side of the connecting sleeve 5, a transverse threaded sleeve 601 is arranged at the bottom of the rear side face of the winding roller storage bin 6, a threaded sleeve gear 602 is arranged on the outer side of the transverse threaded sleeve 601, a driving gear 603 is arranged on the lower side of the threaded sleeve gear 602, a driving motor 604 is arranged at the shaft end of the driving gear 603, and a transverse guide frame 605 is arranged on the inner side of the transverse threaded sleeve 601;

the adjusting rotating frame 7 is arranged inside the winding roller storage bin 6, a plurality of transverse bearing shafts 701 are arranged in the middle of the adjusting rotating frame 7 in parallel, an adjusting rotating shaft 702 is arranged at the center of the adjusting rotating frame 7, and an adjusting motor 703 is arranged at the shaft end of the adjusting rotating shaft 702;

the U-shaped push plate 8 is arranged on the outer side of the transverse guide frame 605, a communication abdicating groove 801 is formed in the middle of the U-shaped push plate 8, an adsorption electromagnet 802 is arranged on the front side of the U-shaped push plate 8, and a transverse screw 803 is arranged on the rear side of the U-shaped push plate 8.

Referring to fig. 1 to 8, as an embodiment of the present invention, a double-sided printing device for packing cartons includes: the printing device comprises a central printing frame 1, wherein a central driving shaft 101 is arranged in the middle of the central printing frame 1, a fixed end head 102 is arranged at the outer end of the central driving shaft 101, a guide arc-shaped groove 103 is arranged in the middle of the fixed end head 102, a synchronous gear 104 is arranged at the inner end of the central driving shaft 101, and a synchronous motor 105 is arranged at the shaft end of the synchronous gear 104; the printing rotating roller 2 is arranged on the outer side of the central driving shaft 101, a central sleeve 201 is arranged in the center of the printing rotating roller 2, lateral limiting ends 202 are arranged at the left end and the right end of the central sleeve 201, and a magnetic connecting plate 203 is arranged in the middle of each lateral limiting end 202; the horizontal conveying frame 3 is symmetrically arranged on the front side and the rear side of the central printing frame 1, a conveying clamping groove 301 is arranged in the middle of the horizontal conveying frame 3, a lateral limiting roller 302 is arranged in the middle of the conveying clamping groove 301, clamping rollers 303 are symmetrically arranged on the upper side and the lower side of the lateral limiting roller 302, a synchronous belt pulley 304 is arranged at the shaft end of the clamping roller 303, a transmission belt 305 is arranged on the outer side of the synchronous belt pulley 304, a driving belt pulley 306 is arranged at the rear end of the transmission belt 305, and a conveying motor 307 is arranged at the shaft end of the driving belt pulley 306; the movable clamping frame 4 is symmetrically arranged at the left side and the right side of the fixed end head 102, an arc-shaped clamping groove 401 is arranged in the middle of the movable clamping frame 4, an embedded ball 402 is arranged in the middle of the arc-shaped clamping groove 401, the upper end and the lower end of the movable clamping frame 4 are both provided with a connecting sliding sleeve 403, a fixed guide rod 404 is embedded in the inner side of the connecting sliding sleeve 403, and a driving cylinder 405 is arranged at the rear side of the movable clamping frame 4; the connecting sleeve 5 is arranged on the rear side of the fixed end head 102, the bottom of the connecting sleeve 5 is provided with an inclined guide groove 501, the bottom of the inclined guide groove 501 is provided with a drain pipe 502, the inner side of the connecting sleeve 5 is provided with an annular cleaning pipe 503, the inner side of the annular cleaning pipe 503 is uniformly provided with a cleaning nozzle 504 in a surrounding manner, the rear side of the annular cleaning pipe 503 is provided with an annular high-pressure air pipe 505, and the inner side of the annular high-pressure air pipe 505 is uniformly provided with a high-pressure air jet 506 in a surrounding manner; the winding roller storage bin 6 is arranged on the rear side of the connecting sleeve 5, a transverse threaded sleeve 601 is arranged at the bottom of the rear side face of the winding roller storage bin 6, a threaded sleeve gear 602 is arranged on the outer side of the transverse threaded sleeve 601, a driving gear 603 is arranged on the lower side of the threaded sleeve gear 602, a driving motor 604 is arranged at the shaft end of the driving gear 603, and a transverse guide frame 605 is arranged on the inner side of the transverse threaded sleeve 601; the adjusting rotating frame 7 is arranged inside the winding roller storage bin 6, a plurality of transverse bearing shafts 701 are arranged in the middle of the adjusting rotating frame 7 in parallel, an adjusting rotating shaft 702 is arranged at the center of the adjusting rotating frame 7, and an adjusting motor 703 is arranged at the shaft end of the adjusting rotating shaft 702; the U-shaped push plate 8 is arranged on the outer side of the transverse guide frame 605, a communication abdicating groove 801 is formed in the middle of the U-shaped push plate 8, an adsorption electromagnet 802 is arranged on the front side of the U-shaped push plate 8, and a transverse screw 803 is arranged on the rear side of the U-shaped push plate 8.

Referring to fig. 1 to 8, alternatively, the apparatus mounts the printing roller 2 required for fixing printing through the central printing frame 1, and the printing roller 2 is nested on the central driving shaft 101, and the printing roller 2 is slidably connected with the central driving shaft 101 through the central sleeve 201, and the central sleeve 201 and the central driving shaft 101 are mutually matched in size, so that the printing roller 2 can be horizontally and slidably inserted into or removed from the central driving shaft 101 through the central sleeve 201, so as to mount the printing roller 2 on the central driving shaft 101 or dismount the central driving shaft 101, so as to facilitate the replacement of the printing roller 2, and the cross sections of the central sleeve 201 and the central driving shaft 101 are polygonal structures, so that the central driving shaft 101 can be synchronously rotated with the printing roller 2 through the central sleeve 201, the central driving shaft 101 is rotationally connected with the central printing frame 1, so that the printing roller 2 can be rotated on the central printing frame 1 along the central driving shaft 101, the required pattern is printed on the surface of the horizontally conveyed carton by matching with the horizontally conveyed carton in the middle of the central printing frame 1 through the printing lines arranged on the surface of the printing rotating roller 2 and the pigment additionally coated on the surface, so as to complete the printing processing, the central driving shafts 101 are symmetrically arranged up and down and in parallel relative to the horizontal central line of the central printing frame 1, the shaft ends of the central driving shafts 101 are respectively provided with a synchronous gear 104, and the synchronous gears 104 are mutually meshed to form a transmission mechanism, so that the symmetrically arranged central driving shafts 101 can synchronously rotate in opposite directions through the synchronous gears 104, further the printing rotating rollers 2 nested and arranged on the central driving shafts are driven to synchronously rotate in opposite directions, so as to synchronously print the upper side surface and the lower side surface of the horizontally conveyed carton in the middle of the central printing frame 1, the carton does not need to be overturned for repeated printing processing, and the double-sided printing processing is more efficient, the device conveys the cartons through the horizontal conveying frame 3, the horizontal conveying frames 3 are arranged on the front side and the rear side of the central printing frame 1, so that the cartons can be conveyed to the middle of the central printing frame 1 along the horizontal conveying frames 3 for printing and processing and are conveyed out from the middle of the central printing frame 1, the conveying clamping grooves 301 are correspondingly arranged in the middle of the central printing frame 1, the conveying clamping grooves 301 are symmetrically and parallelly arranged on the left side and the right side of the horizontal central line of the horizontal conveying frame 3, so the cartons can be embedded into the conveying clamping grooves 301 through the edges on the two sides, the lateral limiting rollers 302 and the clamping rollers 303 are further arranged in the middle of the conveying clamping grooves 301, the lateral limiting rollers 302 are uniformly and parallelly arranged along the direction of the horizontal central line of the conveying clamping grooves 301 at intervals, the clamping rollers 303 are symmetrically arranged up and down, the edges of the cartons can be clamped by the clamping rollers 303 for conveying, and the edges of the cartons are conveyed through the lateral limiting rollers 302, and then make the carton can carry along 3 horizontal transport of horizontal transport frame through carrying centre gripping groove 301, the in-process that carries out horizontal transport simultaneously can also keep the centre department of carton to be unsettled state, and the carton of being convenient for carries out two-sided printing simultaneously through the centre print frame 1 centre to improve machining efficiency.

Referring to fig. 1 to 8, optionally, the printing roller 2 of the apparatus may be horizontally slidably inserted into or removed from the central driving shaft 101 through the central sleeve 201, so as to mount the printing roller 2 on the central driving shaft 101 or be detached from the central driving shaft 101 for replacement, since the printing roller 2 needs to be horizontally slid and removed for replacement, one end of the central driving shaft 101 is rotatably connected to the central printing frame 1 and is provided with the synchronizing gear 104, the fixed end 102 at the other end of the central driving shaft 101 is suspended and is clamped and fixed by the movable clamping frame 4, the middle of the movable clamping frame 4 is provided with a pair of arc-shaped clamping slots 401, the arc-shaped clamping slots 401 and the fixed end 102 are mutually matched in size, the movable clamping frames 4 at both sides can clamp and fix the fixed end 102 of the central driving shaft 101 through the arc-shaped clamping slots 401, and the middle of the fixed end 102 is also provided with the guiding arc-shaped slot 103, the sizes of the guiding arc-shaped groove 103 and the embedding ball 402 arranged between the arc-shaped clamping grooves 401 are matched with each other, so that the friction between the fixed end 102 and the movable card cage 4 can be reduced by the guide arc-shaped groove 103 and the fitting ball 402, which is convenient for the central driving shaft 101 to keep stable when rotating, the movable clamping frame 4 is connected with a fixed guide rod 404 in a sliding way through a connecting sliding sleeve 403, the horizontal central line of the fixed guide rod 404 is vertical to the axial central line of the central driving shaft 101, the rear side of the movable clamping frame 4 is also connected with a driving air cylinder 405, the movable chuck frame 4 can be horizontally slid along the fixed guide bar 404 by driving the air cylinder 405, to clamp the fixed central driving shaft 101 to provide support thereto, or the fixing end heads 102 are suspended by separating an open space from each other, so that the printing roller 2 can be conveniently replaced in a sliding manner, the printing roller 2 can be more conveniently and quickly replaced, and the whole processing efficiency of the device can be improved.

Referring to fig. 1 to 8, alternatively, the printing roller 2 is replaced by sliding the printing roller 2 horizontally to insert and mount it onto the central driving shaft 101, or by disengaging the central driving shaft 101, and the outer side of the fixed end 102 of the central driving shaft 101 is correspondingly provided with the connecting sleeve 5, and the horizontal center line of the connecting sleeve 5 and the axial center line of the central driving shaft 101 are located on the same horizontal straight line, so that when the central driving shaft 101 is slid and disengaged along the central driving shaft 101, the central driving shaft can pass through the inside of the connecting sleeve 5, and the connecting sleeve 5 is further provided with the annular cleaning pipe 503 and the annular high pressure air pipe 505, the horizontal center line of the annular cleaning pipe 503 and the horizontal center line of the annular high pressure air pipe 505 are both located on the same horizontal straight line as the horizontal center line of the connecting sleeve 5, and the inner sides of the annular cleaning pipe 503 and the annular high pressure air pipe 505 are respectively provided with the cleaning nozzle 504 and the high pressure air nozzle 506, therefore, the annular cleaning pipe 503 and the annular high-pressure air pipe 505 can be respectively connected to the high-pressure water pump and the high-pressure air pump, so as to spray water flow and air flow towards the center of the inner side through the cleaning nozzle 504 and the high-pressure air nozzle 506, and when the printing rotary roller 2 horizontally slides through the annular cleaning pipe 503 and the annular high-pressure air pipe 505, the surface of the printing rotary roller can be cleaned through the sprayed water flow, so that the surface pigment of the printing rotary roller is cleaned, and the surface of the printing rotary roller is dried through the air flow, so that the surface of the printing rotary roller is kept dry after the surface pigment of the printing rotary roller is cleaned, the damage to the printing rotary roller 2 caused by directly replacing the dry knot of the recovered pigment on the surface of the printing rotary roller 2 is avoided, and the printing of other colors is facilitated to be performed again, so that the printing rotary roller 2 is recovered, stored and replaced.

Referring to fig. 1 to 8, optionally, a roller storage 6 is further disposed at the rear side of the connecting sleeve 5 of the apparatus, the printing roller 2 can enter the roller storage 6 through the connecting sleeve 5 for storage, an adjusting rotating frame 7 is further disposed inside the roller storage 6, the adjusting rotating frame 7 is rotatably connected to the roller storage 6 through an adjusting rotating shaft 702, a plurality of transverse bearing shafts 701 are disposed on the adjusting rotating frame 7, the transverse bearing shafts 701 are uniformly and parallel circumferentially around a horizontal center line of the adjusting rotating frame 7, an axial center line of the transverse bearing shaft 701 is parallel to an axial center line of the central driving shaft 101, the transverse bearing shafts 701 and the central sleeve 201 are directly matched in size, the printing roller 2 can be nested and mounted on the transverse bearing shafts 701 through the central sleeve 201, so that a plurality of printing rollers 2 can be horizontally stored on the adjusting rotating frame 7 at the same time, so as to rotate different printing rotating rollers 2 to the rear side of the connecting sleeve 5 by rotating the adjusting rotating frame 7, so as to facilitate the mechanical energy exchange of the printing rotating rollers 2, and a U-shaped push plate 8 is also arranged in the winding roller storage bin 6, and the U-shaped push plate 8 is in transmission connection with a transverse threaded sleeve 601 through a transverse threaded rod 803, the axial center line of the transverse threaded rod 803 is parallel to the axial center line of the transverse bearing shaft 701, and the threaded sleeve gear 602 is meshed with the driving gear 603 to form a transmission mechanism, so that the transverse threaded sleeve 601 can be driven to rotate through the threaded sleeve gear 602 and the driving gear 603, further the transverse threaded rod 803 and the U-shaped push plate 8 are driven to horizontally move, and meanwhile, the communicating abdicating groove 801 is matched with the transverse guide frame 605 in size, the communicating abdicating groove 801 is matched with the transverse bearing shaft 701 and the central driving shaft 101 in size, so that the U-shaped push plate 8 can move to the transverse bearing shaft 701 through the transverse threaded rod 803, and then promote the printing on the horizontal bearing shaft 701 and change 2 horizontal migration of roller, will print and change roller 2 and promote to central drive shaft 101 on, accomplish the installation that printing changes roller 2, or through adsorbing electro-magnet 802 and magnetism connecting plate 203 traction printing and change roller 2, make printing change roller 2 along central drive shaft 101 slide to horizontal bearing shaft 701 on, accomplish the dismantlement that printing changes roller 2, change and adjust printing and change roller 2 convenient and fast more in order to accomplish the change that changes roller 2 to printing.

When in use, firstly, the required printing rotary roller 2 is nested and arranged on the central driving shaft 101 and the transverse bearing shaft 701, a transverse bearing shaft 701 is arranged on each adjusting rotary frame 7 in a vacant way, then the corresponding pipelines of the device can be connected, the annular cleaning pipe 503 and the annular high-pressure air pipe 505 can be respectively connected with the high-pressure water pump and the high-pressure air pump, printing pigments with required colors are coated on the printing rotary roller 2, then the paper box to be processed and printed can be horizontally embedded into the conveying clamping groove 301 of the horizontal conveying frame 3 for conveying, the conveying motor 307 drives the driving belt pulley 306 to rotate, the driving belt pulley 306 drives all the synchronous belt pulleys 304 to synchronously rotate through the transmission belt 305, further drives all the clamping rollers 303 to synchronously rotate, so that the clamping driving paper box is horizontally conveyed to the middle of the central printing frame 1 along the conveying clamping groove 301, and the synchronous gear 104 is driven by the synchronous motor 105, the central driving shafts 101 are driven to synchronously and symmetrically rotate through the synchronous gears 104, the symmetrically-nested printing rollers 2 synchronously and oppositely rotate through the central driving shafts 101, double-sided printing is carried out on the paper boxes passing through the central driving shafts 101, and when the printing rollers 2 need to be replaced, the symmetrically-arranged movable clamping frames 4 are firstly drawn by the driving cylinders 405 to synchronously move backwards along the fixed guide rods 404, so that the fixed end heads 102 of the clamped central driving shafts 101 are loosened, the fixed end heads 102 are in a suspended state, the movable positions are opened, meanwhile, the adjusting motors 703 drive the adjusting rotary frames 7 to rotate through adjusting rotation, the vacant transverse bearing shafts 701 on the adjusting rotary frames 7 are enabled to rotate and move to the rear side of the connecting sleeve 5, then the driving motors 604 can drive the transverse threaded sleeves 601 to rotate through the driving gears 603 and the threaded sleeves 602, and further the transverse threaded sleeves 601 drive the U-shaped push plates 8 to horizontally move through the transverse screws 803, the U-shaped push plate 8 moves along the horizontal guide frame 605 and the empty horizontal bearing shaft 701, and abuts against one side of the printing roller 2 on the central driving shaft 101 through the connecting sleeve 5, the adsorption electromagnet 802 can be electrified to adsorb the magnetic connecting plate 203 to fixedly pull the printing roller 2, then the driving motor 604 can drive the horizontal screw sleeve 601 to reversely rotate through the driving gear 603 and the screw sleeve gear 602, the horizontal screw 803 pulls the U-shaped push plate 8 to move, further the U-shaped push plate 8 pulls the printing roller 2 to horizontally slide and separate from the central driving shaft 101, and passes through the connecting sleeve 5, when the printing roller 2 horizontally slides through the annular cleaning pipe 503 and the annular high-pressure air pipe 505, the surface of the printing roller can be cleaned through the water flow sprayed by the cleaning nozzle 504 arranged on the inner side of the annular cleaning pipe 503 to clean the pigment on the surface of the printing roller, and the surface of the printing roller is dried through the air flow sprayed by the high-pressure air nozzle 506 arranged on the inner side of the annular high-pressure air pipe 505, the surface pigment of the printing roller is cleaned and kept dry, then the printing roller 2 is continuously dragged by the U-shaped push plate 8 to be horizontally embedded on the transverse bearing shaft 701 in a sliding manner, so that the disassembling and recycling work of the printing roller 2 is completed, then the U-shaped push plate 8 can be positioned on the transverse guide frame 605, the adjusting motor 703 drives the adjusting rotating frame 7 to rotate through adjusting rotation, the transverse bearing shaft 701 carrying the required printing roller 2 is rotated to the rear side of the connecting sleeve 5, then the driving motor 604 can drive the transverse screw sleeve 601 to rotate through the driving gear 603 and the screw sleeve gear 602, further the transverse screw sleeve 601 drives the U-shaped push plate 8 to horizontally move through the transverse screw 803, the U-shaped push plate 8 moves along the transverse guide frame 605 and the transverse bearing shaft 701, further the U-shaped push plate 8 pushes the printing roller 2 on the transverse bearing shaft 701 to horizontally slide, and the printing roller 2 passes through the connecting sleeve 5, the printing roller is embedded and installed on the central driving shaft 101, then the U-shaped push plate 8 is moved in a translation mode to reset, the driving air cylinder 405 drives the symmetrically-arranged movable clamping frames 4 to synchronously move towards the front side along the fixed guide rod 404, the fixed end 102 of the central driving shaft 101 is clamped through the arc-shaped clamping grooves 401, the central driving shaft 101 is fixed, installation work of the printing roller 2 is completed, replacement and adjustment work of the printing roller 2 is completed, and printing processing can be conducted.

The invention provides a double-side printing device for packaging cartons, which synchronously prints and processes two sides of a carton passing through a central printing frame 1 through printing rotating rollers 2 symmetrically arranged on the central printing frame, the printing rotating rollers 2 can be horizontally installed outside a central driving shaft 101 on the central printing frame 1 in a nested manner or disassembled so as to be convenient for replacing the printing rotating rollers 2, a roller storage bin 6 is correspondingly arranged at the rear side of the central driving shaft 101, an adjusting rotating frame 7 in the roller storage bin 6 can simultaneously load and store a plurality of printing rotating rollers 2 through a transverse bearing shaft 701, different printing rotating rollers 2 are rotated to the rear side of a connecting sleeve 5 through rotating the adjusting rotating frame 7, and the printing rotating rollers 2 loaded on the transverse bearing shaft 701 are horizontally pushed to the central driving shaft 101 through a U-shaped push plate 8 capable of translating so as to be convenient for rapidly adjusting and replacing the printing rotating rollers 2, the adjustment and use are more convenient and faster.

Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to suggest that the scope of embodiments of the present disclosure (including the claims) is limited to these examples; within the idea of embodiments of the present disclosure, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the present disclosure as described above, which are not provided in detail for the sake of brevity.

While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description.

The disclosed embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalents, improvements, and the like that may be made within the spirit and principles of the embodiments of the disclosure are intended to be included within the scope of the disclosure.