CN113071202A

CN113071202A - Packing box uninterrupted automatic printing equipment

Info

Publication number: CN113071202A
Application number: CN202110072498.2A
Authority: CN
Inventors: 李志方
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-07-06

Abstract

The invention relates to the technical field of packing box printing, in particular to uninterrupted automatic printing equipment for packing boxes, which comprises: a conveyor for performing a conveying process of the packing box to be printed; the side positioning mechanisms are arranged on the conveyor and used for resisting two sides of the packing box conveyed by the conveyor; the printing mechanism is arranged on the conveyor and used for executing the printing process of the packing box conveyed by the conveyor; wherein, printing mechanism includes: the uninterrupted printing assembly is arranged above the conveyor and is used for carrying out printing procedures on the packing boxes conveyed to the conveyor uninterruptedly; the lifting unit sets up in the bottom of conveyer for the incessant printing unit of drive goes up and down the process, and this technical scheme has solved artifical mode and has followed the problem of trading printing wheel influence efficiency, and this equipment is equipped with a plurality of printing wheels and makes a round trip to switch, and automatic the ink supply when switching need not the manual work and follows the trade, can incessantly print raise the efficiency.

Description

Packing box uninterrupted automatic printing equipment

Technical Field

The invention relates to the technical field of packing box printing, in particular to uninterrupted automatic printing equipment for packing boxes.

Background

The packing box, especially the packing box, is visible everywhere in people's life, and the usage is very extensive, all need to carry out packing with the packing box in the process of selling and transporting including household electrical appliances, kitchen utensils and so on, and the packing box need print the cardboard when the processing is produced, and current printing device generally prints through as printing round, after printing round ink is lacked, needs to stop equipment, and the printing round is traded with the manual mode, and then influences printing efficiency, therefore, we have proposed a packing box incessant automatic printing equipment, in order to solve the above-mentioned problem that puts forward.

Disclosure of Invention

For solving above-mentioned technical problem, provide an incessant automatic printing equipment of packing box, this technical scheme has solved artifical mode and has taken turns the problem that influences efficiency with trading the printing, and this equipment is equipped with a plurality of printing and takes turns to and switches, and automatic the supplying ink when switching need not the manual work and takes turns to the trade, can incessantly print, raises the efficiency.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:

an uninterrupted automatic printing apparatus for packaging boxes, comprising:

a conveyor for performing a conveying process of the packing box to be printed;

the side positioning mechanisms are arranged on the conveyor and used for resisting two sides of the packing box conveyed by the conveyor;

the printing mechanism is arranged on the conveyor and used for executing the printing process of the packing box conveyed by the conveyor;

wherein, printing mechanism includes:

the uninterrupted printing assembly is arranged above the conveyor and is used for carrying out printing procedures on the packing boxes conveyed to the conveyor uninterruptedly;

and the lifting assembly is arranged at the bottom of the conveyor and used for driving the uninterrupted printing assembly to perform a lifting process.

Preferably, the lifting assembly comprises:

the bottom transverse plate is horizontally arranged below the conveyor;

the pair of rectangular fixed boxes are fixedly arranged on two sides of the middle of the bottom transverse plate through supporting frames, and each rectangular fixed box is arranged in a vertical state;

the inner rods are provided with a pair of inner rods which are vertically arranged at the inner center of each rectangular fixed box respectively, the bottom of each inner rod can rotatably penetrate through two sides of the bottom of each rectangular fixed box through a power rotating shaft and extend downwards, and two sides of each inner rod are provided with abutting strips respectively;

the pair of threaded sleeves are vertically arranged at the center of the top of each rectangular fixing box in a penetrating manner;

the pair of threaded sleeve rods is vertically sleeved on each inner rod respectively, the outer part of each threaded sleeve rod is in threaded fit with the inner ring of each threaded sleeve respectively, the upper end of each threaded sleeve rod penetrates through the inner ring of each threaded sleeve respectively and extends upwards, and the inner ring of each threaded sleeve rod is provided with a butting chute for butting each butting strip;

the lift riser is equipped with a pair ofly, is vertical setting respectively at the top of every screw loop pole, and the top of every screw loop pole rotates with the bottom of every lift riser respectively to be connected, and the bottom both sides of every lift riser are provided with respectively and are the spacing polished rod of vertical setting, and the top of the fixed case of rectangle is equipped with the spacing mouth of wearing that supplies every spacing polished rod to walk.

Preferably, the lifting assembly further comprises:

the double-shaft motor is arranged at the center of the top of the bottom transverse plate, and two output ends of the double-shaft motor extend towards the two sides of the conveyor respectively;

the rotating rods are provided with a pair of rotating rods and are horizontally and symmetrically arranged at two output ends of the double-shaft motor, and one end of each rotating rod extends towards the right lower part of each fixed rectangular box;

the first bevel teeth are provided with a pair of first bevel teeth and symmetrically arranged at the extending end of each rotating rod;

and the pair of second conical teeth are symmetrically arranged at the bottom of each power rotating shaft, and each second conical tooth is meshed with each first conical tooth.

Preferably, the uninterrupted printing assembly comprises:

the pair of cross shifting wheels are vertically and symmetrically arranged on two sides above the conveyor and are respectively positioned on the inner side of each lifting vertical plate, the center of each cross shifting wheel is rotatably inserted in the inner side wall of each lifting vertical plate through a guide rotating shaft, and one end of each guide rotating shaft penetrates through two surfaces of each lifting vertical plate and extends outwards;

the four printing wheels are uniformly distributed in a circumferential manner by taking the axis of the cross shifting wheel as the center, and two ends of each printing wheel are respectively connected with one end of each cross shifting wheel in a shaft manner.

5. The uninterrupted automatic printing equipment for packaging boxes according to claim 4, wherein the uninterrupted printing assembly further comprises:

the sheave mechanism is positioned on the outer side of one of the lifting vertical plates, and the working end of the sheave mechanism is in transmission connection with one end of one of the guide rotating shafts;

the first servo motor is positioned on one side of the geneva mechanism, is connected with the outer wall of one of the lifting vertical plates through a supporting plate, and the output end of the first servo motor is in transmission connection with the inside of the geneva mechanism.

Preferably, the uninterrupted printing assembly:

the bearing seats are provided with a pair and are respectively and vertically arranged at the center of the top of each rectangular fixed box;

the ink supply wheel is horizontally arranged between the two bearing seats, two ends of the ink supply wheel are rotatably connected with each bearing seat through a supporting rotating shaft, and the circumferential surface of the ink supply wheel can be in sliding butt joint with the circumferential surface of each printing wheel;

and the second servo motor is arranged outside one of the bearing seats, and the output end of the second servo motor is in transmission connection with one end of one of the supporting rotating shafts.

Preferably, the lateral positioning mechanism comprises two lateral baffles, the two lateral baffles are distributed on two sides above the conveyor in parallel, two sides of two ends of the top of the conveyor are respectively provided with a limiting sleeve, an inner ring of each limiting sleeve is respectively provided with a horizontally arranged guide polished rod in a sliding manner, and one end of each guide polished rod is respectively connected with one side of the adjacent lateral baffle.

Preferably, the lateral positioning mechanism comprises two opposite mechanisms symmetrically arranged on two sides of the bottom of the conveyor, each opposite mechanism comprises a third driving motor, a horizontal plate, an intermediate gear, two sliding rails and two racks, the horizontal plate is horizontally arranged below the rack, each corner of the bottom of the horizontal plate is respectively arranged on the top of the bottom transverse plate through a vertical support, a preset distance is arranged between the upper surface of the horizontal plate and the bottom of the rack, the two sliding rails are arranged on two sides of the top of the horizontal plate in parallel, the two racks are arranged on one side of each sliding rail in parallel, one side of each rack is respectively arranged inside each sliding rail in a sliding manner through a sliding block, the two racks are arranged in a crossed manner, the intermediate gear is horizontally arranged between the two racks, each rack is respectively meshed with the intermediate gear, the second driving motor is arranged on the bottom of the horizontal plate, the output end of the second driving motor is in transmission connection with the center of the middle gear, and one ends, far away from each other, of the two racks extend towards the two sides of the rack respectively.

Preferably, the lateral positioning mechanism further comprises two vertical connecting plates, each vertical connecting plate is vertically arranged at one end of the top of each rack extending outwards, and the top of each vertical connecting plate is fixedly connected with one end of each polished rod.

Compared with the prior art, the invention has the beneficial effects that: an uninterrupted automatic printing device for packing cases is provided, during operation, the distance between two side baffles is adjusted in advance according to the width of the packing case, a third driving motor is started, a middle gear is driven to rotate by the third driving motor, two racks are driven to extend reversely by the middle gear, the sliding block arranged on each rack carries out limit movement along each sliding rail respectively, each vertical connecting plate is driven to move by the extending end of each rack respectively, each guide polish rod is driven to move along a limit sleeve in a limit manner by each vertical connecting plate respectively, the two side baffles are driven to be close to or away from each other by each guide polish rod respectively until the required distance is adjusted to stop, then the packing case to be printed is dragged into a conveyor, the conveying is carried out by the conveyor, a double-shaft motor is started, each rotating rod is driven to rotate by the double-shaft motor, each first conical tooth is driven to rotate by each rotating rod, each first bevel gear drives each second bevel gear to rotate respectively, each second bevel gear drives each power rotating shaft to rotate respectively, when each power rotating shaft rotates, each inner rod is driven to rotate simultaneously, each inner rod is respectively abutted against each abutting sliding groove in the threaded sleeve rod through each abutting strip so that the threaded sleeve rod can ascend and descend along the threaded sleeve, each limiting polished rod arranged carries out limiting movement along each limiting penetrating opening respectively, each lifting vertical plate is driven to ascend and move to a proper position to stop, meanwhile, the uninterrupted printing component is driven to ascend and move to a proper position to stop, the conveyor sequentially drives the packing boxes to move towards the lower part of the printing wheel, the circumferential surface of the printing wheel is attached to the upper surface of the packing box, the packing boxes rotate simultaneously during moving, and then printing is carried out, after single printing is finished, the first servo motor is started to drive the grooved pulley mechanism to simultaneously drive the two cross shifting wheels to rotate, the two cross thumb wheels drive all the printing wheels to rotate around the circumference of the axis of the cross thumb wheel, so that the other printing wheel filled with ink moves to the lowest position for printing the packing box to be subsequently input, when all the printing wheels rotate around the circumference of the cross shifting wheel, a second servo motor is started, the ink supply wheel is driven to rotate through the second servo motor, the ink supply wheel is jointed and slides to drive the adjacent printing wheel to rotate, thereby replenishing the ink on the close printing wheel, ensuring that the packing box can continuously print without manually adding the ink in the printing process, improving the printing efficiency, solving the problem that the efficiency is influenced by manually replacing the printing wheel, this equipment is equipped with a plurality of printing wheels and makes a round trip to switch, and automatic ink supply need not the manual work and follows the trade when switching, can incessantly print, raises the efficiency.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3 of the present invention;

FIG. 5 is a front view of the present invention;

FIG. 6 is a partial front view of the present invention;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6 of the present invention;

fig. 8 is a partial perspective view of the side positioning mechanism of the present invention.

The reference numbers in the figures are:

1-a conveyor; 2-a lateral positioning mechanism; 3-a printing mechanism; 4-an uninterrupted printing assembly; 5-a lifting assembly; 6-bottom transverse plate; 7-a rectangular fixed box; 8-inner rod; 9-a threaded sleeve; 10-a threaded sleeve rod; 11-an abutment runner; 12-lifting a vertical plate; 13-a limit polish rod; 14-limiting through holes; 15-a two-shaft motor; 16-a rotating rod; 17-a first bevel gear; 18-second taper teeth; 19-a cross thumb wheel; 20-a printing wheel; 21-a sheave mechanism; 22-a first servomotor; 23-a bearing seat; 24-an ink supply wheel; 25-a second servo motor; 26-side baffles; 27-a stop collar; 28-a guide polish rod; 29-a third drive motor; 30-a horizontal plate; 31-intermediate gear; 32-a slide rail; 33-a rack; 34-vertical connecting plate.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

Referring to fig. 1 to 8, an uninterrupted automatic printing apparatus for packing boxes includes:

a conveyor 1 for performing a conveying process of a packing box to be printed;

the side positioning mechanisms 2 are arranged on the conveyor 1 and used for resisting two sides of the packing box conveyed by the conveyor 1;

the printing mechanism 3 is arranged on the conveyor 1 and used for executing the printing process of the packing box conveyed by the conveyor 1;

wherein, printing mechanism 3 includes:

the uninterrupted printing assembly 4 is arranged above the conveyor 1 and is used for carrying out printing procedures on the packing boxes conveyed to the conveyor 1 uninterruptedly;

and the lifting assembly 5 is arranged at the bottom of the conveyor 1 and is used for driving the uninterrupted printing assembly 4 to carry out a lifting process.

The lifting assembly 5 comprises:

a bottom transverse plate 6 which is horizontally arranged below the conveyor 1;

a pair of rectangular fixing boxes 7 are fixedly arranged on two sides of the middle of the bottom transverse plate 6 through supporting frames, and each rectangular fixing box 7 is arranged in a vertical state;

a pair of inner rods 8 are vertically arranged at the center of the inside of each rectangular fixed box 7 respectively, the bottom of each inner rod 8 can rotatably penetrate through two sides of the bottom of each rectangular fixed box 7 through a power rotating shaft and extend downwards, and two sides of each inner rod 8 are provided with abutting strips respectively;

a pair of threaded sleeves 9 are vertically arranged at the center of the top of each rectangular fixed box 7 in a penetrating manner;

a pair of threaded loop bars 10 are vertically sleeved on each inner rod 8 respectively, the outer part of each threaded loop bar 10 is in threaded fit with the inner ring of each threaded sleeve 9 respectively, the upper end of each threaded loop bar 10 penetrates through the inner ring of each threaded sleeve 9 respectively and extends upwards, and the inner ring of each threaded loop bar 10 is provided with a butting chute 11 for butting each butting strip;

the lift riser 12 is equipped with a pair ofly, is vertical setting at the top of every screw loop pole 10 respectively, and the top of every screw loop pole 10 rotates with the bottom of every lift riser 12 respectively to be connected, and the bottom both sides of every lift riser 12 are provided with respectively and are the spacing polished rod 13 of vertical setting, and the top of the fixed case 7 of rectangle is equipped with the spacing mouth 14 of wearing that supplies every spacing polished rod 13 to walk.

When every power shaft is rotatory, it is rotatory to drive every interior pole 8 simultaneously, and every interior pole 8 makes screw thread loop bar 10 go up and down along threaded sleeve 9 through every butt spout 11 in every butt strip butt screw thread loop bar 10 respectively, and every spacing polished rod 13 through setting up is along every spacing mouthful 14 spacing removal of wearing respectively, and every lift riser 12 of drive rises upwards and moves to suitable position and stop, drives incessant printing component 4 simultaneously and rises and move to suitable position and stop.

The lifting assembly 5 further comprises:

the double-shaft motor 15 is arranged at the center of the top of the bottom transverse plate 6, and two output ends of the double-shaft motor respectively extend towards the two sides of the conveyor 1;

a pair of rotating rods 16 which are horizontally and symmetrically arranged at two output ends of the double-shaft motor 15, wherein one end of each rotating rod 16 extends towards the right lower part of each fixed rectangular box;

a pair of first bevel teeth 17 symmetrically arranged at the extending end of each rotating rod 16;

and a pair of second conical teeth 18 are symmetrically arranged at the bottom of each power rotating shaft, and each second conical tooth 18 is meshed with each first conical tooth 17.

The double-shaft motor 15 is started, each rotating rod 16 is driven to rotate through the double-shaft motor 15, each first bevel gear 17 is driven to rotate through each rotating rod 16, each second bevel gear 18 is driven to rotate through each first bevel gear 17, and each power rotating shaft is driven to rotate through each second bevel gear 18.

The uninterrupted printing assembly 4 comprises:

a pair of cross thumb wheels 19 which are vertically and symmetrically arranged at two sides above the conveyor 1 and are respectively positioned at the inner side of each lifting vertical plate 12, the center of each cross thumb wheel 19 is respectively inserted on the inner side wall of each lifting vertical plate 12 in a rotatable manner through a guide rotating shaft, and one end of each guide rotating shaft penetrates through two surfaces of each lifting vertical plate 12 and extends outwards;

the four printing wheels 20 are uniformly distributed in a circumferential shape by taking the axis of the cross thumb wheel 19 as the center, and two ends of each printing wheel 20 are respectively connected with one end of each cross thumb wheel 19 in a shaft mode.

The uninterrupted printing assembly 4 further comprises:

the sheave mechanism 21 is positioned on the outer side of one of the lifting vertical plates 12, and the working end of the sheave mechanism is in transmission connection with one end of one of the guide rotating shafts;

and the first servo motor 22 is positioned at one side of the geneva mechanism 21, is connected with the outer wall of one of the lifting vertical plates 12 through a supporting plate, and has an output end in transmission connection with the inside of the geneva mechanism 21.

The conveyor 1 sequentially drives the packing boxes to move towards the lower portions of the printing wheels 20, the circumferential surfaces of the printing wheels 20 are attached to the upper surfaces of the packing boxes, the packing boxes are moved and rotated simultaneously to perform printing, after single printing is finished, the first servo motor 22 is started to drive the geneva gear 21 to drive the two cross shifting wheels 19 to rotate simultaneously, all the printing wheels 20 are driven by the two cross shifting wheels 19 to rotate around the axis circumference of the cross shifting wheels 19, the other printing wheel 20 filled with ink is moved to the lowest position, and the packing boxes to be subsequently input are printed.

Uninterrupted printing assembly 4:

a pair of bearing blocks 23 vertically arranged at the center of the top of each rectangular fixed box 7;

the ink supply wheel 24 is horizontally arranged between the two bearing seats 23, two ends of the ink supply wheel 24 are rotationally connected with each bearing seat 23 through a supporting rotating shaft, and the circumferential surface of the ink supply wheel 24 can be in sliding butt joint with the circumferential surface of each printing wheel 20;

and the second servo motor 25 is arranged outside one of the bearing seats 23, and the output end of the second servo motor is in transmission connection with one end of one of the supporting rotating shafts.

When all printing wheels 20 rotate around the circumference of the cross thumb wheel 19, the second servo motor 25 is started, the ink supply wheel 24 is driven to rotate through the second servo motor 25, the ink supply wheel 24 is attached and slides to drive the printing wheels 20 close to rotate, and then ink on the printing wheels 20 close to each other is supplemented, so that the packing box does not need to be artificially added with ink in the printing process, continuous printing can be achieved, and the printing efficiency is improved.

The lateral positioning mechanism 2 comprises two lateral baffles 26, the two lateral baffles 26 are distributed on two sides above the conveyor 1 in parallel, two sides of two ends of the top of the conveyor 1 are respectively provided with a limiting sleeve 27, an inner ring of each limiting sleeve 27 is respectively provided with a horizontally arranged guide polished rod 28 in a sliding manner, and one end of each guide polished rod 28 is respectively connected with one side of the adjacent lateral baffle 26.

The side positioning mechanism 2 comprises two opposite mechanisms symmetrically arranged on two sides of the bottom of the conveyor 1, each opposite mechanism comprises a third driving motor 29, a horizontal plate 30, a middle gear 31, two sliding rails 32 and two racks 33, the horizontal plate 30 is horizontally arranged below the rack, each corner of the bottom of the horizontal plate 30 is respectively arranged on the top of the bottom transverse plate 6 through a vertical support, a preset distance is arranged between the upper surface of the horizontal plate 30 and the bottom of the rack, the two sliding rails 32 are arranged on two sides of the top of the horizontal plate 30 in parallel, the two racks 33 are arranged on one side of each sliding rail 32 in parallel, one side of each rack 33 is respectively arranged inside each sliding rail 32 in a sliding manner through a sliding block, the two racks 33 are arranged in a cross manner, the middle gear 31 is horizontally arranged between the two racks 33, and each rack 33 is respectively meshed with the middle gear 31, the second driving motor is arranged at the bottom of the horizontal plate 30, the output end of the second driving motor is in transmission connection with the center of the middle gear 31, and one ends of the two racks 33, which are far away from each other, extend towards two sides of the rack respectively.

The side positioning mechanism 2 further comprises two vertical connecting plates 34, each vertical connecting plate 34 is vertically arranged at one end of the top of each rack 33, which extends outwards, and the top of each vertical connecting plate 34 is fixedly connected with one end of each polished rod.

During operation, the distance between the two side baffles 26 is adjusted in advance according to the width of the packaging box, the third driving motor 29 is started, the third driving motor 29 drives the middle gear 31 to rotate, the middle gear 31 drives the two racks 33 to extend reversely, the sliding blocks arranged on the racks 33 respectively carry out limiting movement along the sliding rails 32, the extending ends of the racks 33 respectively drive the vertical connecting plates 34 to move, the vertical connecting plates 34 respectively drive the guide polish rods 28 to move along the limiting sleeves 27 in a limiting manner, the guide polish rods 28 respectively drive the two side baffles 26 to be close to or away from each other until the required distance is adjusted, and then the packaging box to be printed is dragged into the conveyor 1 and conveyed through the conveyor 1.

The working principle of the invention is as follows: during operation, the distance between the two side baffles 26 is adjusted in advance according to the width of the packaging box, the third driving motor 29 is started, the middle gear 31 is driven to rotate by the third driving motor 29, the two racks 33 are driven to extend reversely by the middle gear 31, the sliding blocks arranged on the racks 33 respectively perform limit movement along the sliding rails 32, the extending ends of the racks 33 respectively drive the vertical connecting plates 34 to move, the vertical connecting plates 34 respectively drive the guide polish rods 28 to move along the limit sleeves 27 in a limit manner, the guide polish rods 28 respectively drive the two side baffles 26 to approach to or separate from each other until the required distance is adjusted, then the packaging box to be printed is dragged into the conveyor 1, the conveying is carried out by the conveyor 1, the double-shaft motor 15 is started, and the rotating rods 16 are driven to rotate by the double-shaft motor 15, each first bevel gear 17 is driven to rotate by each rotating rod 16, each second bevel gear 18 is driven to rotate by each first bevel gear 17, each second bevel gear 18 drives each power rotating shaft to rotate, when each power rotating shaft rotates, each inner rod 8 is driven to rotate at the same time, each inner rod 8 is respectively abutted to each abutting sliding groove 11 in each threaded sleeve rod 10 through each abutting strip so that the threaded sleeve rod 10 is lifted along the threaded sleeve 9, each limiting polished rod 13 is arranged to respectively perform limiting movement along each limiting penetrating opening 14, each lifting vertical plate 12 is driven to be lifted upwards and moved to a proper position to stop, meanwhile, the uninterrupted printing component 4 is driven to be lifted and moved to a proper position to stop, the conveyor 1 is sequentially driven to move towards the lower part of the printing wheel 20, the circumferential surface of the printing wheel 20 is attached to the upper surface of the packing box and rotates simultaneously when the packing box moves, and then printing, after a single piece of printing is finished, starting the first servo motor 22 to drive the geneva mechanism 21 to simultaneously drive the two cross thumb wheels 19 to rotate, driving all the printing wheels 20 to rotate around the axis circumference of the cross thumb wheels 19 through the two cross thumb wheels 19, enabling the other printing wheel 20 filled with ink to move to the lowest position, printing the packaging box to be subsequently input, starting the second servo motor 25 when all the printing wheels 20 rotate around the circumference of the cross thumb wheels 19, driving the ink supply wheel 24 to rotate through the second servo motor 25, enabling the ink supply wheel 24 to be attached and slide to drive the adjacent printing wheel 20 to rotate, further supplementing the ink on the adjacent printing wheel 20, enabling the packaging box to be capable of continuously printing without manually adding ink in the printing process, and improving the printing efficiency.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an incessant automatic printing equipment of packing box which characterized in that includes:

a conveyor (1) for carrying out a conveying process of the packaging box to be printed;

the side positioning mechanisms (2) are arranged on the conveyor (1) and are used for resisting two sides of the packing box conveyed by the conveyor (1);

the printing mechanism (3) is arranged on the conveyor (1) and is used for executing the printing process of the packaging box conveyed by the conveyor (1);

wherein the printing mechanism (3) comprises:

the uninterrupted printing assembly (4) is arranged above the conveyor (1) and is used for carrying out printing procedures on the packing boxes conveyed to the conveyor (1) uninterruptedly;

and the lifting assembly (5) is arranged at the bottom of the conveyor (1) and is used for driving the uninterrupted printing assembly (4) to carry out a lifting process.

2. An uninterrupted automatic printing device of packaging boxes according to claim 1, characterized in that said lifting assembly (5) comprises:

the bottom transverse plate (6) is horizontally arranged below the conveyor (1);

the pair of rectangular fixed boxes (7) is fixedly arranged on two sides of the middle of the bottom transverse plate (6) through a support frame, and each rectangular fixed box (7) is arranged in a vertical state;

the pair of inner rods (8) are vertically arranged at the center of the inside of each rectangular fixed box (7), the bottom of each inner rod (8) can rotatably penetrate through two sides of the bottom of each rectangular fixed box (7) through a power rotating shaft and extend downwards, and abutting strips are arranged on two sides of each inner rod (8);

a pair of threaded sleeves (9) are vertically arranged at the center of the top of each rectangular fixed box (7) in a penetrating manner;

the pair of threaded sleeve rods (10) are vertically sleeved on each inner rod (8) respectively, the outer part of each threaded sleeve rod (10) is in threaded fit with the inner ring of the threaded sleeve (9) respectively, the upper end of each threaded sleeve rod (10) penetrates through the inner ring of each threaded sleeve (9) respectively and extends upwards, and the inner ring of each threaded sleeve rod (10) is provided with a butting chute (11) for butting each butting strip;

the lifting vertical plates (12) are provided with a pair of lifting vertical plates (12) which are vertically arranged at the top of each thread loop bar (10), the top of each thread loop bar (10) is rotatably connected with the bottom of each lifting vertical plate (12) respectively, the two sides of the bottom of each lifting vertical plate (12) are provided with limiting polished rods (13) which are vertically arranged respectively, and the top of the rectangular fixed box (7) is provided with limiting penetrating holes (14) for each limiting polished rod (13) to penetrate through.

3. An uninterrupted automatic printing device of packaging boxes according to claim 2, characterized in that said lifting assembly (5) further comprises:

the double-shaft motor (15) is arranged at the center of the top of the bottom transverse plate (6), and two output ends of the double-shaft motor respectively extend towards the two sides of the conveyor (1);

the rotating rods (16) are provided with a pair and are horizontally and symmetrically arranged at two output ends of the double-shaft motor (15), and one end of each rotating rod (16) extends towards the right lower part of each fixed rectangular box;

a pair of first bevel teeth (17) symmetrically arranged at the extending end of each rotating rod (16);

and the pair of second conical teeth (18) are symmetrically arranged at the bottom of each power rotating shaft, and each second conical tooth (18) is meshed with each first conical tooth (17) respectively.

4. An uninterrupted automatic printing device of packaging boxes according to claim 3, characterized in that said uninterrupted printing assembly (4) comprises:

the pair of cross thumb wheels (19) are vertically and symmetrically arranged on two sides above the conveyor (1) and are respectively positioned on the inner side of each lifting vertical plate (12), the center of each cross thumb wheel (19) is rotatably inserted into the inner side wall of each lifting vertical plate (12) through a guide rotating shaft, and one end of each guide rotating shaft penetrates through two surfaces of each lifting vertical plate (12) and extends outwards;

the four printing wheels (20) are uniformly distributed in a circumferential manner by taking the axis of the cross thumb wheel (19) as the center, and two ends of each printing wheel (20) are respectively connected with one end of each cross thumb wheel (19) in a shaft mode.

5. An uninterrupted automatic printing device of packaging boxes according to claim 4, characterized in that said uninterrupted printing assembly (4) further comprises:

the sheave mechanism (21) is positioned on the outer side of one of the lifting vertical plates (12), and the working end of the sheave mechanism is in transmission connection with one end of one of the guide rotating shafts;

and the first servo motor (22) is positioned at one side of the geneva gear (21), is connected with the outer wall of one of the lifting vertical plates (12) through a supporting plate, and the output end of the first servo motor is in transmission connection with the inside of the geneva gear (21).

6. An uninterrupted automatic printing device of packaging boxes according to claim 5, characterized in that said uninterrupted printing group (4):

the bearing seats (23) are provided with a pair and are respectively and vertically arranged at the center of the top of each rectangular fixed box (7);

the ink supply wheel (24) is horizontally arranged between the two bearing seats (23), two ends of the ink supply wheel (24) are rotatably connected with each bearing seat (23) through a supporting rotating shaft, and the circumferential surface of the ink supply wheel can be in sliding butt joint with the circumferential surface of each printing wheel (20);

and the second servo motor (25) is arranged outside one of the bearing seats (23), and the output end of the second servo motor is in transmission connection with one end of one of the supporting rotating shafts.

7. The uninterrupted automatic printing equipment for the packing boxes according to claim 6, wherein the side positioning mechanism (2) comprises two side baffles (26), the two side baffles (26) are distributed on two sides above the conveyor (1) in parallel, two sides of two ends of the top of the conveyor (1) are respectively provided with a limiting sleeve (27), an inner ring of each limiting sleeve (27) is respectively provided with a horizontally arranged guide polished rod (28) in a sliding manner, and one end of each guide polished rod (28) is respectively connected with one side of the adjacent side baffle (26).

8. The uninterrupted automatic printing equipment for the packing boxes according to claim 7, wherein the side positioning mechanism (2) comprises two opposite mechanisms symmetrically arranged at two sides of the bottom of the conveyor (1), each opposite mechanism comprises a third driving motor (29), a horizontal plate (30), an intermediate gear (31), two sliding rails (32) and two racks (33), the horizontal plate (30) is horizontally arranged below the rack, each corner of the bottom of the horizontal plate (30) is respectively arranged at the top of the bottom transverse plate (6) through a vertical bracket, a preset distance is arranged between the upper surface of the horizontal plate (30) and the bottom of the rack, the two sliding rails (32) are arranged at two sides of the top of the horizontal plate (30) in parallel, the two racks (33) are arranged at one side of each sliding rail (32) in parallel, one side of each rack (33) is respectively arranged inside each sliding rail (32) through a sliding block in a sliding manner, two racks (33) are the setting of intercrossing form attitude, and intermediate gear (31) are the level and are located between two racks (33), and every rack (33) set up with intermediate gear (31) meshing respectively, and second driving motor sets up the bottom at horizontal plate (30), and the transmission of second driving motor's output and intermediate gear's (31) center department is connected, and the one end that two racks (33) kept away from each other extends towards the both sides of frame respectively.

9. The uninterrupted automatic printing equipment for the packing cases according to claim 8, characterized in that the side positioning mechanism (2) further comprises two vertical connecting plates (34), each vertical connecting plate (34) is vertically arranged at one end of the top of each rack (33) extending outwards, and the top of each vertical connecting plate (34) is fixedly connected with one end of each polished rod.