CN115570837A

CN115570837A - Carton printing device

Info

Publication number: CN115570837A
Application number: CN202211575838.4A
Authority: CN
Inventors: 薛文静
Original assignee: Qianxiduo Nantong Packaging Products Co ltd
Current assignee: Qianxiduo Nantong Packaging Products Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-01-06
Anticipated expiration: 2042-12-09
Also published as: CN115570837B

Abstract

The invention relates to a carton printing device, which relates to the relevant field of printing machines and comprises a conveyor belt, wherein printing mechanisms are arranged on two sides of the conveyor belt, each printing mechanism comprises printing modules symmetrically arranged on two sides of the conveyor belt, a support rod is fixedly arranged on the end face of the bottom side of each printing module, a first air cylinder is arranged in each printing module, a printing plate is fixedly arranged at the tail end of a telescopic part of each first air cylinder, a positioning mechanism is arranged between the printing modules, the carton is positioned and corrected before being printed by the positioning mechanism, the stability and accuracy of a printing position are ensured, the inner side of a to-be-printed area of the carton is stably supported by an inner support mechanism, meanwhile, the to-be-printed area of the carton is supported flatly, the condition that the carton is uneven or wrinkled is avoided, the completeness and clarity of printing patterns or information are ensured, the printing quality is more stable and reliable, the carton printing device can effectively adapt to cartons with different sizes and has strong adaptability.

Description

Carton printing device

Technical Field

The invention relates to the relevant field of printing machines, in particular to a carton printing device.

Background

For a packaging type carton, batch number printing is required, when the carton is assembled, a designated pattern or information is printed at a designated area position on the surface of the carton, but when a gap exists in the carton, the surface is easy to have an uneven position, in the existing equipment, such as a carton printing device (CN 201920472373.7), the gap inside the printing process is easy to cause the aggravation of the unevenness when the printing equipment contacts the carton, and finally, the printed pattern and characters are blurred and have missing; the deviation appears in the printing position, and when the carton had the fold, it is nonstandard to print, leads to printing quality unstable, and to soft thin money carton, it is more obvious, can't satisfy printing quality needs.

Disclosure of Invention

The invention aims to provide a carton printing device to solve the problems.

The technical purpose of the invention is realized by the following technical scheme: the utility model provides a carton printing device, includes the conveyer belt, the conveyer belt both sides are equipped with printing mechanism, printing mechanism locates including the symmetry the printing module of conveyer belt both sides, the fixed bracing piece that is equipped with of printing module bottom side terminal surface, bracing piece bottom end fixed mounting base, including first cylinder in the printing module, the terminal fixed mounting of the flexible part of first cylinder has the printing plate, be equipped with positioning mechanism between the printing module, positioning mechanism includes fixed connection in both sides U-shaped bracing piece between the printing module, U-shaped bracing piece intermediate position bottom side terminal surface fixed mounting has the flexible arm of hydraulic pressure, the terminal fixed mounting of the flexible part of the flexible arm of hydraulic pressure has the fixed plate, the crisscross second cylinder of installing two sets of opposite directions of fixed plate bottom side terminal surface, the fixed plate bilateral symmetry is equipped with fixed cylinder, fixed cylinder respectively with a set of the flexible part fixed connection of second cylinder, the symmetry just fixes being equipped with the third cylinder in the fixed cylinder, the flexible part end of third cylinder is fixed is equipped with the inner support mechanism between the right angle board, inner support mechanism is equipped with two sets of rolling up the board, every group the every group is constituteed by the slice board, through the connection rope between the slice connection subassembly.

Preferably, a laser sensor is arranged on the printing module to sense whether the carton arrives, so that the control system controls the conveyor belt to stop and start the positioning mechanism.

Preferably, the positioning mechanism comprises a reinforcing rod fixedly arranged on the circumferential end face of the telescopic part of the third cylinder, and the reinforcing rod is fixedly connected with the right-angle plate.

Preferably, interior supporting mechanism is including fixed locating fixed case on the fixed drum, fixed case is located and keeps away from one side of second cylinder, be equipped with the coiling chamber in the fixed case, the coiling chamber is kept away from second cylinder one side inner wall intermediate position link up and is equipped with the opening, fixed incasement wall just is located opening bilateral symmetry and fixed mounting has the limiting plate, fixed incasement wall symmetry rotates and is equipped with the winding axle, the top side terminal surface symmetry of fixed case and fixed being equipped with the motor, the motor shaft of motor with winding axle fixed connection, roll up coiling of board on the winding axle, roll up the board the end respectively with one right angle board fixed connection.

Preferably, a limiting groove is formed in the end face, far away from the second cylinder, of one side of the fixing box, and the limiting groove is communicated with the opening of the winding cavity.

Preferably, rotate spacing subassembly and set up including the symmetry and in the chamber of accomodating of slice board top and bottom both sides, the vertical inner wall in chamber of accomodating keeps away from one side rotation and is equipped with the axis of rotation, rotate in the axis of rotation and install the gear, the tooth end of gear extends to accomodate the chamber outside.

Preferably, the spline connection has a spline sleeve on the axis of rotation, the spline sleeve is kept away from the one end fixed mounting of gear has the gag lever post, the gag lever post with fixedly connected with spring between the gear.

Preferably, two pairs of racks are symmetrically arranged on two sides of the top wall and the bottom wall of the limiting groove, and the racks are located on the edges of the two sides of the limiting groove.

In summary, the invention has the following beneficial effects: through positioning mechanism, earlier carry out location correction to the carton before printing to the carton, guarantee the stability accuracy of printing position, make the carton treat the inboard of printing region by stable support a atress plane through interior supporting mechanism, the printing region of treating that also can guarantee the carton simultaneously is propped the tie, avoid unevenness or the condition of fold, thereby ensure the complete clarity of printing pattern or information, make the printing quality more reliable and more stable, and can effectively adapt to the carton of different sizes and sizes, strong adaptability.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is an enlarged schematic view taken at "A" in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the embodiment of the present invention at "B" in FIG. 2;

FIG. 4 is a cross-sectional plan view of an embodiment of the present invention;

FIG. 5 is a cross-sectional plan view of a positioning mechanism and an inner support mechanism of an embodiment of the present invention;

FIG. 6 is an enlarged schematic view at "C" in FIG. 5 according to an embodiment of the present invention;

FIG. 7 is a schematic view of a partially enlarged structure of a rolled sheet according to an embodiment of the present invention;

fig. 8 is an enlarged schematic view of the embodiment of the present invention at "D" in fig. 7.

In the figure: 11. a printing module; 12. a support bar; 13. a base; 14. a first cylinder; 15. a printing plate; 16. a U-shaped support bar; 17. a hydraulic telescopic arm; 18. a fixing plate; 19. a second cylinder; 20. a fixed cylinder; 21. a third cylinder; 22. a reinforcing rod; 23. a right-angle plate; 24. a fixed box; 25. a winding chamber; 26. a limiting groove; 27. a limiting plate; 28. a winding shaft; 29. a motor; 30. rolling; 31. connecting ropes; 32. a receiving cavity; 33. a rotating shaft; 34. a gear; 35. a spline sleeve; 36. a limiting rod; 37. a spring; 38. a rack; 39. a conveyor belt; 40. a sheet-like plate.

Detailed Description

With reference to fig. 1 to 8, the carton printing device includes a conveyor belt 39, printing mechanisms are disposed on two sides of the conveyor belt 39, each printing mechanism includes printing modules 11 symmetrically disposed on two sides of the conveyor belt 39, a support rod 12 is fixedly disposed on a bottom end surface of each printing module 11, a base 13 is fixedly mounted at a bottom end of each support rod 12, a first cylinder 14 is included in each printing module 11, a printing plate 15 is fixedly mounted at a bottom end of a telescopic portion of each first cylinder 14, a positioning mechanism is disposed between the printing modules 11, the positioning mechanism includes a U-shaped support rod 16 fixedly connected to two sides of each printing module 11, a hydraulic telescopic arm 17 is fixedly mounted on a bottom end surface of a middle position of each U-shaped support rod 16, fixing plates 18 are fixedly mounted at tail ends of telescopic portions of the hydraulic telescopic arms 17, two sets of second cylinders 19 in opposite directions are mounted on bottom end surfaces of the fixing plates 18 in a staggered manner, fixing cylinders 20 are symmetrically disposed on two sides of the fixing plates 18, the fixing cylinders 20 are respectively fixedly connected to telescopic portions of the second cylinders 19, a third cylinder 21 is symmetrically disposed in the fixing cylinders 20, a right-angle plate 23 is disposed at tail end of the telescopic portion of the fixing plates, a right-angle plate 23, a sheet-shaped rolling plate 30 is disposed between the inner support plate and a limiting mechanism, and a sheet-shaped rotation limiting mechanism is disposed between the inner support plate 30, and a sheet-shaped rotation limiting mechanism is disposed on the inner support mechanism, and a sheet-shaped rotation limiting mechanism is disposed between the inner support.

Advantageously, a laser sensor is provided on the printing module 11 to sense the arrival of a carton, so that the control system controls the conveyor belt 39 to stop and activate the positioning mechanism.

Advantageously, the printing plate 15 can be disassembled and replaced as required, and the size of the sheet-shaped plate 40 is adapted to the size of the printing plate 15, so as to ensure that the sheet-shaped plate 40 can stably support the interior of the carton during printing.

Advantageously, the positioning mechanism comprises a reinforcing rod 22 fixedly arranged on the circumferential end face of the telescopic part of the third cylinder 21, and the reinforcing rod 22 is fixedly connected with the right-angle plate 23.

Advantageously, said reinforcement rods 22 are used to reinforce the support.

Beneficially, the inner support mechanism includes a fixed box 24 fixedly disposed on the fixed cylinder 20, the fixed box 24 is located at one side far away from the second cylinder 19, a winding cavity 25 is disposed in the fixed box 24, the winding cavity 25 is located at a position far away from an intermediate position of an inner wall of one side of the second cylinder 19 and is provided with an opening, an inner wall of the fixed box 24 is located at two sides of the opening and is symmetrically and fixedly provided with a limiting plate 27, a winding shaft 28 is symmetrically and rotatably disposed on the inner wall of the fixed box 24, a motor 29 is symmetrically and fixedly disposed on an end surface of a top side of the fixed box 24, a motor shaft of the motor 29 is fixedly connected with the winding shaft 28, the rolling plate 30 is wound on the winding shaft 28, and a tail end of the rolling plate 30 is fixedly connected with one of the right-angle plates 23.

Advantageously, a limit groove 26 is opened on the end surface of the fixing box 24 far away from the second cylinder 19, and the limit groove 26 is communicated with the opening of the winding cavity 25.

Advantageously, the retaining groove 26 serves for the sliding retention and support of the sheet-like plate 40.

Beneficially, the rotation limiting assembly includes receiving cavities 32 symmetrically formed at both sides of the top and bottom of the sheet-shaped plate 40, a rotation shaft 33 is rotatably disposed at a side away from the vertical inner wall of the receiving cavity 32, a gear 34 is rotatably mounted on the rotation shaft 33, and a tooth end of the gear 34 extends out of the receiving cavity 32.

Advantageously, a spline sleeve 35 is splined on the rotating shaft 33, a limiting rod 36 is fixedly mounted at one end of the spline sleeve 35 far away from the gear 34, and a spring 37 is fixedly connected between the limiting rod 36 and the gear 34.

Advantageously, two pairs of racks 38 are symmetrically disposed on both sides of the top wall and the bottom wall of the limiting groove 26, and the racks 38 are located at both side edges of the limiting groove 26.

Advantageously, when the sheet-shaped plate 40 is pulled out of the limiting groove 26, the gear 34 can be engaged with the rack 38 and driven to rotate, so that the limiting rod 36 rotates, when the limiting rod 36 rotates, under the action of the inclined inner wall of the accommodating cavity 32, the spline sleeve 35 slides, so that the limiting rod 36 is turned out of the accommodating cavity 32, and the tail end of the limiting rod 36 is inclined to the position adjacent to the sheet-shaped plate 40, and the relative rotation between the adjacent limiting rods 36 is limited.

The use method of the invention comprises the following steps:

in the initial state: the hydraulic telescopic arm 17, the second cylinder 19 and the third cylinder 21 are all in a contraction state, the right-angle plates 23 on the same side are in a closest state and are tightly attached to the fixed box 24, most of the rolling plate 30 is wound by the winding shaft 28, and the limiting rod 36 is located in the containing cavity 32 and is in a vertical state.

When printing the carton, the carton is in the position that the opening was opened along with conveyer belt 39's rotation process printing module 11 on conveyer belt 39, laser sensor detects the carton and reachs the back, control system control conveyer belt 39 stops, and then control hydraulic telescopic arm 17 extension, make fixed plate 18 reduce, get into the carton inboard through the opening of carton, then according to the size of the carton that is printed at present, control system control second cylinder 19 and third cylinder 21 extend corresponding length, second cylinder 19 extends and makes fixed cylinder 20 keep away from each other, third cylinder 21 extends and makes and keep away from each other between the rectangular plate 23 of homonymy, thereby make rectangular plate 23 and the inside vertical four corners contact of carton, thereby the position of adjustment carton, make the both sides of carton can be faced printing plate 15 by the printing face, avoid printing crooked.

In the process that the right-angle plates 23 on the same side are far away from each other, the rolling plate 30 is pulled and released, in the process, when the sheet-shaped plate 40 is pulled out of the limiting groove 26, the gear 34 can be meshed with the rack 38 and driven to rotate, the limiting rod 36 is driven to rotate, when the limiting rod 36 rotates, under the effect of the inclined inner wall of the containing cavity 32, the spline sleeve 35 slides, the limiting rod 36 is enabled to be turned over outside the containing cavity 32, the tail end of the limiting rod 36 inclines to the position adjacent to the sheet-shaped plate 40, relative rotation between the adjacent limiting rods 36 is limited, the sheet-shaped plate 40 forms a stable flat plate, after the right-angle plates 23 reach the specified position and stop, the control system also starts the motor 29 at the same time, the motor 29 drives the winding shaft 28 to rotate to wind and tighten the rolling plate 30, stable support of the flat plate formed by the sheet-shaped plate 40 to the inside of the carton is ensured, the uneven position of the printed position is avoided, or loss exists during printing, the printing quality is ensured, and then the first air cylinder 14 extends to drive the printing plate 15 to print the surface of the carton.

After the completion, the control system controls the second cylinder 19, the third cylinder 21 and the hydraulic telescopic arm 17 to contract, and controls the motor 29 to drive the winding shaft 28 to wind the rolling plate 30, so that the device resets, when the sheet plate 40 passes through the position of the rack 38 when being folded, the limiting rod 36 is driven to rotate back to be vertical again, when the limiting rod 36 is not in contact with the sheet plate 40 any more, under the action of the spring 37, the limiting rod 36 is retracted in the accommodating cavity 32, the resetting is completed, and the conveyor belt 39 is started again to rotate to print the next carton.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A carton printing device comprising a conveyor belt (39), characterized in that: the printing mechanism is arranged on two sides of the conveying belt (39) and comprises printing modules (11) symmetrically arranged on two sides of the conveying belt (39), a supporting rod (12) is fixedly arranged on the end face of the bottom side of each printing module (11), a base (13) is fixedly arranged at the bottom end of each supporting rod (12), a first air cylinder (14) is arranged in each printing module (11), a printing plate (15) is fixedly arranged at the tail end of a telescopic part of each first air cylinder (14), a positioning mechanism is arranged between the printing modules (11) and comprises U-shaped supporting rods (16) fixedly connected to two sides of each printing module (11), hydraulic telescopic arms (17) are fixedly arranged on the end faces of the bottom sides of the U-shaped supporting rods (16), fixing cylinders (20) are symmetrically arranged on two sides of each fixing plate (18), the fixing cylinders (20) are respectively and fixedly connected with telescopic parts of a group of second air cylinders (19), two groups of second air cylinders (19) with opposite directions are symmetrically arranged on the bottom end faces of the fixing plates (18), third air cylinders (21) are symmetrically arranged in the fixing cylinders (23), and right-angle air cylinders (23) are arranged between the fixing cylinders (23), the inner support mechanism comprises two groups of rolling plates (30), each group of rolling plates (30) is composed of sheet-shaped plates (40), the sheet-shaped plates (40) are connected through connecting ropes (31), and the sheet-shaped plates (40) are provided with rotation limiting assemblies.

2. A carton printing apparatus as claimed in claim 1, wherein: and a laser sensor is arranged on the printing module (11) to sense whether the carton arrives, so that a control system controls the conveyor belt (39) to stop and start the positioning mechanism.

3. A carton printing apparatus as claimed in claim 1, wherein: the positioning mechanism comprises a reinforcing rod (22) fixedly arranged on the circumferential end face of the telescopic part of the third air cylinder (21), and the reinforcing rod (22) is fixedly connected with the right-angle plate (23).

4. A carton printing apparatus as in claim 1 wherein: interior supporting mechanism is including fixed locating fixed case (24) on fixed drum (20), fixed case (24) are located and keep away from one side of second cylinder (19), be equipped with in fixed case (24) and convolute chamber (25), convolute chamber (25) are kept away from second cylinder (19) one side inner wall intermediate position link up and is equipped with the opening, fixed case (24) inner wall just is located opening bilateral symmetry and fixed mounting has limiting plate (27), fixed case (24) inner wall rotates symmetrically and is equipped with winding shaft (28), the top side terminal surface symmetry of fixed case (24) just fixes being equipped with motor (29), the motor shaft of motor (29) with winding shaft (28) fixed connection, convolute in roll board (30) on winding shaft (28), the roll board of roll board (30) the right angle end respectively with one plate (23) fixed connection.

5. A carton printing apparatus as claimed in claim 4, wherein: a limiting groove (26) is formed in the end face, far away from the second air cylinder (19), of one side of the fixing box (24), and the limiting groove (26) is communicated with an opening of the winding cavity (25).

6. A carton printing apparatus as claimed in claim 1, wherein: rotate spacing subassembly and set up including the symmetry the chamber (32) of accomodating of slice board (40) top and bottom both sides, the vertical inner wall of accomodating chamber (32) is kept away from one side and is rotated mutually and is equipped with axis of rotation (33), it installs gear (34) to rotate on axis of rotation (33), the tooth end of gear (34) extends to accomodate outside the chamber (32).

7. The carton printing apparatus of claim 6, wherein: spline connection has spline sleeve (35) on axis of rotation (33), spline sleeve (35) are kept away from the one end fixed mounting of gear (34) has gag lever post (36), gag lever post (36) with fixedly connected with spring (37) between gear (34).

8. A carton printing apparatus as claimed in claim 5, wherein: two pairs of racks (38) are symmetrically arranged on two sides of the top wall and the bottom wall of the limiting groove (26), and the racks (38) are located on two side edges of the limiting groove (26).