CN214928051U

CN214928051U - Printing device for food packaging box

Info

Publication number: CN214928051U
Application number: CN202023157396.0U
Authority: CN
Inventors: 王晓燕
Original assignee: Shanghai Yangu Liangchuan Food Co ltd
Current assignee: Yuanyao Food Technology Shanghai Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-11-30
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a printing device for food packaging boxes, which comprises a box body, wherein the front end face of the box body is provided with a movable door, the top of the box body is fixedly connected with a liquid storage box, the top of the liquid storage box is fixedly connected with a liquid inlet pipe, the bottom of the inner cavity of the box body is fixedly connected with a pair of supporting plates, the pair of supporting plates are symmetrically arranged about the central axis of the box body, the top of the supporting plates is fixedly connected with a workbench, the top surface of the workbench is provided with a limiting groove, a packaging box body is arranged in the limiting groove, the surface of the workbench is provided with two rectangular ports, a clamping mechanism is arranged below the workbench, the inner wall at the top of the box body is fixedly connected with a hydraulic cylinder, the utility model has the advantages that the device does not need manual operation through a series of structures, the consumption of manpower is reduced, and the utilization rate of dye is high, in addition, the printing can be dried in time after the printing is finished.

Description

Printing device for food packaging box

Technical Field

The utility model relates to a food package field especially relates to a stamp device for food package case.

Background

Food packaging is an integral part of a food commodity. One of the major projects in the food industry process. It protects the food, prevents the damage of biological, chemical and physical external factors in the process of the food leaving the factory to the hand of the consumer, and it can also have the function of keeping the stable quality of the food itself, it is convenient for the food to eat, it expresses the food appearance at first, attracts the image of consumption, and has the value beyond the material cost.

Food package needs to use the packing box, behind food vanning, needs to use the stamp device to stamp, but current packing box stamp needs manual operation, wastes time and energy, and the dyestuff low-usage, can't retrieve the dyestuff, in addition, can't in time air-dry after the stamp is accomplished, therefore, in order to correct foretell defect, we have proposed a stamp device for food packing box.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a printing device for food packing cases.

The utility model discloses an one of the purpose adopts following technical scheme to realize:

a printing device for food packaging boxes comprises a box body, wherein a movable door is arranged on the front end face of the box body, a liquid storage box is fixedly connected to the top of the box body, a liquid inlet pipe is fixedly connected to the top of the liquid storage box, a pair of supporting plates is fixedly connected to the bottom of an inner cavity of the box body, the supporting plates are symmetrically arranged relative to the central axis of the box body, a workbench is fixedly connected to the top of each supporting plate, a limiting groove is formed in the top surface of the workbench, a packaging box body is arranged in the limiting groove, two rectangular openings are formed in the surface of the workbench, a clamping mechanism is arranged below the workbench, a hydraulic cylinder is fixedly connected to the inner wall of the top of the box body, a printing block is fixedly connected to an output shaft of the hydraulic cylinder, a smearing mechanism is arranged on one side of the printing block, and a first fixing block is arranged on the other side of the printing block, first fixed block fixed connection is at one side inner wall of box, just one side fixedly connected with air-dry storehouse that first fixed block is close to the pneumatic cylinder.

Furthermore, the top of the inner cavity of the air drying bin is fixedly connected with an electric fan, the bottom of the air drying bin is fixedly connected with an air guide pipe, the air guide pipe is communicated with the inner cavity of the air drying bin, and the bottom end of the air guide pipe extends to the upper side of the packaging box body.

Further, the clamping mechanism comprises a first limiting bin and a second limiting bin, the first limiting bin and the second limiting bin are respectively and fixedly connected to the side walls of the supporting plates at two sides, a first moving block is arranged in the first limiting bin, a first spring is fixedly connected between the first moving block and the inner wall of one side of the first limiting bin, a limiting port is formed in the top of the first limiting bin, a first transmission rod is fixedly connected to the top of the first moving block, the top end of the first transmission rod respectively penetrates through the limiting port and the rectangular port and is fixedly connected with a first clamping block, two L-shaped blocks are fixedly connected to the bottom of the inner cavity of the box body, a two-way motor is fixedly connected between the two L-shaped blocks, a second moving block is arranged in the second limiting bin, and a second spring is fixedly connected between the second moving block and the inner wall of one side of the second limiting bin, the top of the second limiting bin is also provided with a limiting opening, the top of the second moving block is fixedly connected with a second transmission rod, the top end of the second transmission rod penetrates through the limiting opening and the rectangular opening respectively and is fixedly connected with a second clamping block, one sides, close to the bidirectional motor, of the first moving block and one side, close to the bidirectional motor, of the second moving block are fixedly connected with a first steel wire rope and a second steel wire rope respectively, the first steel wire rope and the second steel wire rope penetrate through the side walls of the first limiting bin and the second limiting bin and are wound on a motor shaft of the bidirectional motor, and the rotating directions of the first steel wire rope and the second steel wire rope are opposite.

Furthermore, the first clamping block and the second clamping block are symmetrically arranged about the central axis of the workbench, and anti-slip pads are arranged on the side walls of the first clamping block and the second clamping block and are of rubber pad structures.

Further, the smearing mechanism comprises a second fixed block, the second fixed block is fixedly connected to the inner wall of one side of the box body, a smearing bin is fixedly connected to the other side of the second fixed block, a smearing opening is formed in one side, close to the hydraulic cylinder, of the smearing bin, a sealing door is movably connected to one side of the smearing opening, a rotating wheel is arranged in the inner cavity of the smearing bin, the rotating wheel is externally connected with driving equipment, a movable block is arranged on one side, close to the smearing opening, of the rotating wheel, a smearing wheel is movably connected to one side, close to the smearing opening, of the movable block through a rotating shaft, a rotating rod is movably connected to one side, close to the rotating wheel, of the movable block through a rotating shaft, the other end of the rotating rod is movably connected to the front end face of the rotating wheel through a rotating shaft, a liquid discharge pipe is fixedly connected to the side wall of the bottom of the liquid storage box body and the top of the smearing bin, and the other end pipe orifice of the liquid discharge pipe penetrates through the top of the box body and extends into the smearing bin, and the pipe body of the liquid discharge pipe is provided with a valve.

Further, paint two third fixed blocks of storehouse inner chamber top fixedly connected with, two first stabilizer bar of fixedly connected with between the third fixed block, the pole body swing joint of first stabilizer bar has the stabilizing block, the bottom fixedly connected with second stabilizer bar of stabilizing block, the bottom fixed connection of second stabilizer bar is at the top of movable block.

Further, one side outer wall fixedly connected with horizontal piece of box, the top of horizontal piece is equipped with the collecting tank, paint storehouse inner chamber bottom and seted up a plurality of collecting hole, just the bottom fixedly connected with collection liquid cover of painting the storehouse, the bottom fixedly connected with collector tube of collection liquid cover, the other end of collector tube runs through the lateral wall of box and extends to the top of collecting tank.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. through the matching among the smearing mechanism, the hydraulic cylinder and the printing block, the packaging box can be printed, so that the labor consumption is effectively reduced, and the printing efficiency is greatly improved;

2. the packaging box can be positioned through the clamping mechanism, so that the stability of the packaging box is improved, and the phenomenon that the printing quality is affected due to shaking of the packaging box in the printing process is prevented;

3. through the cooperation of the electric fan, the air guide pipe and the air drying bin, air can be blown to the printed packaging box, so that the air drying speed of the printing on the packaging box is accelerated, the time required by printing and air drying is shortened, and then the printed patterns on the packaging box are prevented from being damaged;

4. have the recovery mechanism, can improve the utilization ratio of dyestuff, through collecting liquid hole, collector tube, collection liquid cover and paint the cooperation between the storehouse, can retrieve unnecessary dyestuff to the waste of dyestuff has been avoided.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is a schematic view of the overall structure of the present embodiment;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is a bottom view of the table of fig. 2.

In the figure: 1. a box body; 2. a liquid storage tank; 3. a liquid inlet pipe; 4. a support plate; 5. a work table; 6. a limiting groove; 7. a packaging box body; 8. a hydraulic cylinder; 9. printing blocks; 10. a first fixed block; 11. air drying the storehouse; 12. an electric fan; 13. an air guide pipe; 14. a first limiting bin; 15. a second limiting bin; 16. a first moving block; 17. a first spring; 18. a first drive lever; 19. a first clamping block; 20. an L-shaped block; 21. a bi-directional motor; 22. a second moving block; 23. a second spring; 24. a second transmission rod; 25. a second clamping block; 26. a first wire rope; 27. a second wire rope; 28. a second fixed block; 29. a smearing bin; 30. coating the mouth; 31. a rotating wheel; 32. a movable block; 33. a smearing wheel; 34. a rotating rod; 35. a liquid discharge pipe; 36. a third fixed block; 37. a first stabilizer bar; 38. a stabilizing block; 39. a transverse block; 40. a liquid collecting tank; 41. a liquid collecting cover; 42. a liquid collecting pipe; 43. a second stabilizer bar.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a printing device for food packaging boxes comprises a box body 1, a movable door is arranged on the front end face of the box body 1, a liquid storage box 2 is fixedly connected to the top of the box body 1, a liquid inlet pipe 3 is fixedly connected to the top of the liquid storage box 2, a pair of support plates 4 is fixedly connected to the bottom of an inner cavity of the box body 1, the pair of support plates 4 are symmetrically arranged about the central axis of the box body 1, a workbench 5 is fixedly connected to the top of each support plate 4, a limiting groove 6 is formed in the top surface of the workbench 5, a packaging box body 7 is arranged in the limiting groove 6, two rectangular openings are formed in the surface of the workbench 5, a clamping mechanism is arranged below the workbench 5, the clamping mechanism comprises a first limiting bin 14 and a second limiting bin 15, the first limiting bin 14 and the second limiting bin 15 are respectively and fixedly connected to the side walls of the support plates 4 at two sides, a first moving block 16 is arranged in the first limiting bin 14, a first spring 17 is fixedly connected between the first moving block 16 and the inner wall of one side of the first limiting bin 14, a limiting opening is formed in the top of the first limiting bin 14, a first transmission rod 18 is fixedly connected to the top of the first moving block 16, the top end of the first transmission rod 18 penetrates through the limiting opening and the rectangular opening respectively and is fixedly connected with a first clamping block 19, the first clamping block 19 and a second clamping block 25 are symmetrically arranged about the central axis of the workbench 5, anti-slip pads are arranged on the side walls of the first clamping block 19 and the second clamping block 25, the anti-slip pads are of rubber pad structures, the clamping stability of the packaging box body 7 can be improved through the matching between the anti-slip pads and the first clamping block 19 and the second clamping block 25, so that the printing quality is improved, two L-shaped blocks 20 are fixedly connected to the bottom of the inner cavity of the box body 1, a bidirectional motor 21 is fixedly connected between the two L-shaped blocks 20, and a second moving block 22 is arranged in the second limiting bin 15, a second spring 23 is fixedly connected between the second moving block 22 and the inner wall of one side of the second limiting bin 15, the top of the second limiting bin 15 is also provided with a limiting opening, the top of the second moving block 22 is fixedly connected with a second transmission rod 24, the top end of the second transmission rod 24 respectively penetrates through the limiting opening and the rectangular opening and is fixedly connected with a second clamping block 25, one side of the first moving block 16 and one side of the second moving block 22 close to the bidirectional motor 21 are respectively fixedly connected with a first steel wire rope 26 and a second steel wire rope 27, the first steel wire rope 26 and the second steel wire rope 27 penetrate through the side walls of the first limiting bin 14 and the second limiting bin 15 and are wound on the motor shaft of the bidirectional motor 21, the rotating directions of the first steel wire rope 26 and the second steel wire rope 27 are opposite, the packaging box body 7 can be positioned through a clamping mechanism, so as to improve the stability of the packaging box body 7, and prevent the packaging box body 7 from shaking in the printing process to influence the printing quality, the inner wall of the top of the box body 1 is fixedly connected with a hydraulic cylinder 8, the output shaft of the hydraulic cylinder 8 is fixedly connected with a printing block 9, one side of the printing block 9 is provided with an applying mechanism, the applying mechanism comprises a second fixed block 28, the second fixed block 28 is fixedly connected with the inner wall of one side of the box body 1, the other side of the second fixed block 28 is fixedly connected with an applying bin 29, the top of the inner cavity of the applying bin 29 is fixedly connected with two third fixed blocks 36, a first stabilizer bar 37 is fixedly connected between the two third fixed blocks 36, the rod body of the first stabilizer bar 37 is movably connected with a stabilizing block 38, the bottom of the stabilizing block 38 is fixedly connected with a second stabilizer bar 43, the bottom end of the second stabilizer bar 43 is fixedly connected with the top of the movable block 32, and the stability of the dye is applied to the printing block 9 through the movable block 32 and the applying wheel 33 through the cooperation among the third fixed blocks 36, the first stabilizer bar 37, the second stabilizer bar 43 and the stabilizing block 38, one side of the smearing bin 29 close to the hydraulic cylinder 8 is provided with a smearing port 30, one side of the smearing port 30 is movably connected with a sealing door, the inner cavity of the smearing bin 29 is provided with a rotating wheel 31, the rotating wheel 31 is externally connected with driving equipment, one side of the rotating wheel 31 close to the smearing port 30 is provided with a movable block 32, one side of the movable block 32 close to the smearing port 30 is movably connected with a smearing wheel 33 through a rotating shaft, the surface of the smearing wheel 33 is wound with sponge, the outer wall of one side of the box body 1 is fixedly connected with a transverse block 39, a liquid collecting groove 40 is arranged above the transverse block 39, the bottom of the inner cavity of the smearing bin 29 is provided with a plurality of liquid collecting holes, the bottom of the smearing bin 29 is fixedly connected with a liquid collecting cover 41, the bottom of the liquid collecting cover 41 is fixedly connected with a liquid collecting pipe 42, the other end pipe orifice of the liquid collecting pipe 42 penetrates through the side wall of the box body 1 and extends to the upper side of the liquid collecting groove 40, and passes through the liquid collecting holes, the liquid collecting pipe 42, the liquid collecting cover 41 and the matching between the smearing bin 29, can recover redundant dye, never avoids the waste of the dye, one side of the movable block 32 close to the rotating wheel 31 is movably connected with a rotating rod 34 through a rotating shaft, the other end of the rotating rod 34 is movably connected with the front end surface of the rotating wheel 31 through a rotating shaft, the side wall of the bottom of the liquid storage box 2 is fixedly connected with a liquid discharge pipe 35, the pipe orifice of the other end of the liquid discharge pipe 35 penetrates through the top of the box body 1 and the smearing bin 29 and extends into the smearing bin 29, the pipe body of the liquid discharge pipe 35 is provided with a valve, through the matching between the smearing mechanism, the hydraulic cylinder 8 and the printing block 9, the printing operation can be carried out on the packaging box body 7, so as to effectively reduce the consumption of manpower and greatly improve the printing efficiency, the other side of the printing block 9 is provided with a first fixed block 10, the first fixed block 10 is fixedly connected with the inner wall of one side of the box body 1, and one side of the first fixed block 10 close to the hydraulic cylinder 8 is fixedly connected with an air drying bin 11, air-dry the inner chamber top fixedly connected with electric fan 12 in storehouse 11, and air-dry the bottom fixedly connected with guide duct 13 in storehouse 11, guide duct 13 is linked together with the inner chamber in storehouse 11 that air-dries, and the bottom of guide duct 13 extends to the top of packing box body 7, through electric fan 12, cooperation between guide duct 13 and the air-drying storehouse 11, can blast air to the packing box body 7 that has printed, thereby accelerate the air-dry speed of stamp on the packing box body 7, so as to shorten the stamp and air-dry required time, then avoid the stamp pattern on the packing box body 7 to suffer destruction.

The working principle is as follows: when the utility model is used, firstly, all electrical components are externally connected with a power supply, the movable door is opened, the packaging box body 7 needing printing is placed in the limiting groove 6 on the surface of the workbench 5, then the two-way motor 21 is started, the two-way motor 21 rotates to tighten the first steel wire rope 26 and the second steel wire rope 27, the first steel wire rope 26 pulls the first moving block 16, the first moving block 16 drives the first transmission rod 18 and the first clamping block 19 to move, meanwhile, the second steel wire rope 27 pulls the second moving block 22, the second moving block 22 drives the second transmission rod 24 and the second clamping block 25 to move until the first clamping block 19 and the second clamping block 25 are tightly attached to the packaging box body 7, then, the sealing door is opened and the driving device is started, the driving device drives the rotating wheel 31 to rotate, the rotating wheel 31 drives the rotating rod 34 to rotate, the rotating rod 34 pushes the movable block 32 and the smearing wheel 33 to pass through the smearing opening 30, through the reciprocating action of the smearing wheel 33, the dye can be smeared on the printing block 9, when smearing is completed, the smearing wheel 33 is far away from the printing block 9, then the hydraulic cylinder 8 is started, the hydraulic cylinder 8 pushes the printing block 9 to move downwards until the printing block is contacted with the top of the packaging box body 7, so that printing is performed through the printing block 9, in the printing process, the electric fan 12 is started, the electric fan 12 blows air and blows the air to the surface of the packaging box body 7 through the air guide pipe 13, the air drying speed of the printed patterns on the packaging box body 7 can be accelerated, when the dye on the smearing wheel 33 is smeared, the sealing door is closed firstly, then the valve on the liquid discharge pipe 35 is opened, at the moment, the dye in the liquid storage box 2 can be dripped onto the smearing wheel 33 through the liquid discharge pipe 35, and the redundant dye can flow into the liquid collection tank 40 through the liquid collection hole, the liquid collection cover 41 and the liquid collection pipe 42, so that the dye can be recovered, and the utilization rate of the dye can be improved, effectively avoid extravagant, it is above that the utility model discloses a whole working process.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a stamp device for food package case, includes box (1), its characterized in that: the movable door is arranged on the front end face of the box body (1), the liquid storage box (2) is fixedly connected to the top of the box body (1), the liquid inlet pipe (3) is fixedly connected to the top of the liquid storage box (2), a pair of supporting plates (4) is fixedly connected to the bottom of an inner cavity of the box body (1), the supporting plates (4) are symmetrically arranged about the central axis of the box body (1), a workbench (5) is fixedly connected to the top of the supporting plates (4), a limiting groove (6) is formed in the top surface of the workbench (5), a packaging box body (7) is arranged in the limiting groove (6), two rectangular openings are formed in the surface of the workbench (5), a clamping mechanism is arranged below the workbench (5), a hydraulic cylinder (8) is fixedly connected to the inner wall of the top of the box body (1), and a printing block (9) is fixedly connected to an output shaft of the hydraulic cylinder (8), one side of seal flower piece (9) is equipped with paints the mechanism, just the opposite side of seal flower piece (9) is provided with first fixed block (10), first fixed block (10) fixed connection is at one side inner wall of box (1), just one side fixedly connected with air-dry storehouse (11) that first fixed block (10) are close to pneumatic cylinder (8).

2. The printing device for the food packing box according to claim 1, wherein: the top of the inner cavity of the air drying bin (11) is fixedly connected with an electric fan (12), the bottom of the air drying bin (11) is fixedly connected with an air guide pipe (13), the air guide pipe (13) is communicated with the inner cavity of the air drying bin (11), and the bottom end of the air guide pipe (13) extends to the upper side of the packing box body (7).

3. The printing device for the food packing box according to claim 1, wherein: the clamping mechanism comprises a first limiting bin (14) and a second limiting bin (15), the first limiting bin (14) and the second limiting bin (15) are respectively and fixedly connected to the side walls of the support plates (4) on the two sides, a first moving block (16) is arranged in the first limiting bin (14), a first spring (17) is fixedly connected between the first moving block (16) and the inner wall of one side of the first limiting bin (14), a limiting opening is formed in the top of the first limiting bin (14), a first transmission rod (18) is fixedly connected to the top of the first moving block (16), a first clamping block (19) is fixedly connected to the top of the first transmission rod (18) through the limiting opening and the rectangular opening respectively, two L-shaped blocks (20) are fixedly connected to the bottom of the inner cavity of the box body (1), and a bidirectional motor (21) is fixedly connected between the two L-shaped blocks (20), a second moving block (22) is arranged in the second limiting bin (15), a second spring (23) is fixedly connected between the second moving block (22) and the inner wall of one side of the second limiting bin (15), a limiting opening is also formed in the top of the second limiting bin (15), a second transmission rod (24) is fixedly connected to the top of the second moving block (22), the top end of the second transmission rod (24) penetrates through the limiting opening and the rectangular opening respectively and is fixedly connected with a second clamping block (25), a first steel wire rope (26) and a second steel wire rope (27) are fixedly connected to one sides, close to the bidirectional motor (21), of the first moving block (16) and the second moving block (22) respectively, the first steel wire rope (26) and the second steel wire rope (27) penetrate through the side walls of the first limiting bin (14) and the second limiting bin (15) and are wound on a motor shaft of the bidirectional motor (21), the first steel wire rope (26) and the second steel wire rope (27) are opposite in rotation direction.

4. A printing apparatus for food packing cases according to claim 3, wherein: the clamping device is characterized in that the first clamping block (19) and the second clamping block (25) are symmetrically arranged about the central axis of the workbench (5), anti-slip pads are arranged on the side walls of the first clamping block (19) and the second clamping block (25), and the anti-slip pads are of rubber pad structures.

5. The printing device for the food packing box according to claim 1, wherein: the smearing mechanism comprises a second fixed block (28), the second fixed block (28) is fixedly connected to the inner wall of one side of the box body (1), the other side fixedly connected with of the second fixed block (28) is smeared with a smearing bin (29), one side of the smearing bin (29) close to the hydraulic cylinder (8) is provided with a smearing port (30), one side of the smearing port (30) is movably connected with a sealing door, the inner cavity of the smearing bin (29) is provided with a rotating wheel (31), the rotating wheel (31) is externally connected with driving equipment, one side of the rotating wheel (31) close to the smearing port (30) is provided with a movable block (32), one side of the movable block (32) close to the smearing port (30) is provided with a smearing wheel (33) through rotating shaft movably connected with a rotating rod (34), the other end of the rotating rod (34) is movably connected to the front end face of the rotating wheel (31) through a rotating shaft, the bottom side wall of the liquid storage box (2) is fixedly connected with a liquid discharge pipe (35), a pipe orifice at the other end of the liquid discharge pipe (35) penetrates through the box body (1) and the top of the smearing bin (29) and extends into the smearing bin (29), and a pipe body of the liquid discharge pipe (35) is provided with a valve.

6. The printing device for the food packing case according to claim 5, wherein: scribble two third fixed blocks (36) of storehouse (29) inner chamber top fixedly connected with, two first stabilizer bar (37) of fixedly connected with between third fixed block (36), the club body swing joint of first stabilizer bar (37) has stabilizer bar (38), the bottom fixedly connected with second stabilizer bar (43) of stabilizer bar (38), the bottom fixed connection of second stabilizer bar (43) is at the top of movable block (32).

7. The printing device for the food packing case according to claim 5, wherein: the utility model discloses a liquid collection box, including box (1), one side outer wall fixedly connected with horizontal piece (39) of box (1), the top of horizontal piece (39) is equipped with collecting tank (40), paint storehouse (29) inner chamber bottom and seted up a plurality of collecting liquid hole, just paint bottom fixedly connected with collecting liquid cover (41) of storehouse (29), the bottom fixedly connected with collector tube (42) of collecting liquid cover (41), the other end mouth of pipe of collector tube (42) runs through the lateral wall of box (1) and extends to the top of collecting tank (40).