CN218928935U

CN218928935U - Surface pattern printer for packaging cartons

Info

Publication number: CN218928935U
Application number: CN202223306677.7U
Authority: CN
Inventors: 孙昊; 孙兵; 孙东梅
Original assignee: Shangqiu Xingchuang Packaging Equipment Co ltd
Current assignee: Shangqiu Xingchuang Packaging Equipment Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-28
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a surface pattern printer for packaging cartons, which relates to the technical field of printer design and comprises a supporting flat plate, a limiting unit, a conveying unit and a printing unit, wherein four corners of the lower side of the supporting flat plate are respectively and fixedly connected with supporting legs, a rectangular hole is formed in the position, located on the right side of the supporting flat plate, of the upper side surface of the supporting flat plate, the rectangular hole extends to the upper side and the lower side of the supporting flat plate, a belt conveyor is arranged in the rectangular hole, the printing unit is arranged on the supporting flat plate, located on the edge of the belt conveyor, the limiting unit is arranged on the position, located on the left side of the printing unit, of the upper side surface of the supporting flat plate, the input end of the belt conveyor is electrically connected with the output end of an external power supply through an external control switch group, the conveying unit comprises a transmission slide column, a fixed flat plate, a clamping frame and a conveying wheel, the surface of the cartons is fixedly limited, and cartons with different sizes can be fixedly limited.

Description

Surface pattern printer for packaging cartons

Technical Field

The utility model relates to the technical field of printer design, in particular to a packaging carton surface pattern printer.

Background

The modern printer is generally composed of mechanisms such as plate filling, inking, stamping, paper feeding (including folding) and the like, and the working principle of the machine is as follows: the characters and images to be printed are first made into printing plate, then installed on the printer, and then ink is applied to the places where the characters and images are on the printing plate by manual or printer, and then directly or indirectly transferred to paper or other printing stock (such as textile, metal plate, plastic, leather, wood board, glass and ceramics) for printing.

The existing packaging carton surface pattern printing machine has the defect that the surface of the carton is not fixed firmly, and the cartons with different sizes cannot be fixed and limited.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the surface pattern printer for the packaging cartons, which is firm in fixing the surfaces of the cartons, can fix and limit the cartons with different sizes and can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a surface pattern printer for packaging cartons comprises a supporting flat plate, a limiting unit, a conveying unit and a printing unit;

support the flat board: the four corners of the lower side are respectively and fixedly connected with supporting legs, rectangular holes are formed in the positions, located on the right side of the supporting flat plate, of the upper side surface of the supporting flat plate, the rectangular holes extend to the upper side and the lower side of the supporting flat plate, a belt conveyor is arranged in each rectangular hole, a printing unit is arranged on the supporting flat plate and located at the edge of the belt conveyor, a limiting unit is arranged on the upper side surface of the supporting flat plate and located at the left side of the printing unit, and the input end of each belt conveyor is electrically connected with the output end of an external power supply through an external control switch group;

a transmission unit: the device comprises a transmission slide column, a fixed flat plate, a clamping frame and a conveying wheel, wherein a rectangular limiting hole is formed in the upper side surface of the support flat plate at a position between two limiting plates in a limiting unit, the rectangular limiting hole extends to the upper side and the lower side of the support flat plate, the transmission slide columns of a plurality of linear arrays are respectively rotated on the front side and the rear side of the rectangular limiting hole, one end of each transmission slide column extends to the front side of the corresponding support flat plate, the conveying wheels of the plurality of linear arrays are respectively and fixedly connected to the position, located in the rectangular limiting hole, of each transmission slide column, the clamping frame is fixedly clamped with the fixed flat plate, the fixed flat plate corresponds to the conveying wheel, and the upper half part of the conveying wheel extends to the upper side of the fixed flat plate.

The supporting plate is used for fixing device, the supporting leg is used for supporting the supporting plate, the belt conveyor is used for driving the carton to transmit, the printing unit is used for printing, the limiting unit is used for limiting the carton, the carton is conveniently fixed, the transmission slide column is used for fixing the transmission wheel, the transmission wheel is used for driving the device to transmit, the clamping frame is used for fixing the fixing plate, the fixing plate is used for protecting the transmission wheel, the carton is conveniently transmitted, and therefore the carton is conveniently transmitted to facilitate printing.

Further, the conveying unit further comprises a conveying gear, a conveying belt, a motor supporting plate and a motor, wherein one ends, extending to the front sides of the supporting plates, of all the driving sliding columns are fixedly connected with the conveying gear respectively, all the conveying gears are connected through the conveying belt in a meshed mode, the front side of the supporting plate is located at a position corresponding to one driving sliding column and is fixedly connected with the motor supporting plate, the upper side surface of the motor supporting plate is fixedly connected with the motor, an output shaft of the motor is fixedly connected with one corresponding driving sliding column end face, and an input end of the motor is electrically connected with an output end of an external power supply through an external control switch group.

The transmission gear is meshed with the transmission belt to drive the transmission slide column to rotate, the transmission slide column drives the transmission wheel to rotate, the motor support plate is used for fixing the motor, and the motor is used for providing power for the rotation of the transmission slide column so as to provide power for the transmission paper box, and the transmission slide column is rotated.

Further, the printing unit includes supporting shoe, printing set casing, rectangular plate, triangle-shaped sliding plate, printing ink absorbing roller, printing roller, the upper side surface of supporting flat is located the one end of the fixed connection supporting shoe in position that the belt conveyer four corners border, the other end fixed connection of four supporting shoes is a printing set casing downside surface four corners, the fixed joint rectangular plate in the printing set casing, the fixed connection triangle-shaped sliding plate of position that is located the rectangular plate upside in the printing set casing, rectangular hole has been seted up at downside surface middle part in the printing set casing, rectangular hole runs through to printing set casing downside terminal surface, the position that is located rectangular hole in the printing set casing rotates and connects the spliced pole one, the position that is located the rectangular hole on the spliced pole one has cup jointed the printing roller, the position that is located the printing roller upside in the printing set casing rotates and connects the spliced pole two, the position that is located the printing set casing on the spliced pole two, the rectangular plate downside surface is located rectangular pipe and connects, rectangular pipe and correspond with the triangle-shaped and correspond to the printing ink absorbing roller.

The supporting shoe is used for fixed printing set casing, and the printing set casing is used for supporting printing ink absorbing roller and printing roller, and the rectangular plate is used for depositing printing ink, and the triangle-shaped sliding plate is used for conveniently letting printing ink flow to the printing ink absorbing roller on from the printing set casing, conveniently prints, lets printing ink adsorb the printing roller through the printing ink absorbing roller, and the printing roller lets the carton print on to this prints, and printing ink absorbing roller adopts the sponge material of absorbing ink, absorbs printing ink, prints.

Further, the printing unit still contains motor fixed plate, gear, printing motor, one of them one end of rotation post two and rotation post one extends to the rear side that corresponds the printing fixed shell and with gear fixed connection, two gears intermeshing connects, the right side surface of printing fixed shell and the position fixed connection motor fixed plate that rotation post two correspond, the right side surface fixed connection printing motor of motor fixed plate, printing motor's output shaft and the output electricity of corresponding rotation post two fixed connection, printing motor's input is connected with external power source's output electricity through outside control switch group.

The motor fixing plate is used for fixing the printing motor, the printing motor is used for driving a first rotating column to rotate, and the printing motor is connected with the first rotating column and the second rotating column in a meshed mode to provide power for rotation of the first rotating column and the second rotating column, so that printing is performed.

Further, spacing unit includes limiting plate, supporting shoe, traveller, buffer spring, stable slider, stable traveller and protection pad, spacing spout has been seted up to the position that the upside surface of supporting plate is located fixed dull and stereotyped left and right sides, fixed connection traveller respectively in two spacing spouts, two equidistant supporting shoe of sliding connection respectively on two travellers, the both ends of buffer spring are connected respectively to the position between the front and back ends in four supporting shoe non-corresponding one side and two spacing spouts respectively, every buffer spring cup joints respectively on corresponding traveller, two limiting plate lower extreme both corners respectively with corresponding supporting shoe fixed connection, one side that two supporting shoe are corresponding respectively fixed connection protection pad, stable spout has been seted up to the left side surface of printing set casing, fixed connection stabilizes the traveller in the stable spout, two equidistant stable sliders of sliding connection on the stable traveller respectively with corresponding limiting plate right side surface fixed connection.

The supporting slide block is used for driving the limiting plates to move, the limiting plates are used for fixing the protection pads, the protection pads are used for protecting the cartons, the sliding columns are used for driving the supporting slide blocks to slide, the stabilizing sliding columns are used for driving the stabilizing slide blocks to slide, the stabilizing slide blocks are used for enabling the limiting plates to be more stable, the buffer springs are compressed through moving the limiting plates, the cartons are fixed between the two limiting plates, the cartons are fixed, and adjustment is convenient, so that the cartons with different lengths are fixed.

Further, the printing device further comprises a fixed door plate and handrails, wherein an inspection cleaning opening is formed in the upper side surface of the printing fixed shell, the inspection cleaning opening extends into the printing fixed shell, one side of the inspection cleaning opening is connected with the fixed door plate in a sliding mode, and the upper side surface of the fixed door plate is fixedly connected with the handrails.

The fixed door plate is used for conveniently replacing printing ink to protect the printing ink, the printing ink is prevented from being polluted by the outside, and the handrail is used for conveniently driving the fixed door plate to move to protect the printing ink.

Compared with the prior art, the utility model has the beneficial effects that:

1. the surface pattern printer of the packaging paper box has the following advantages: the device comprises a transmission unit, a transmission slide column, a motor support plate, a motor, a clamping frame and a clamping plate, wherein the transmission unit is connected with a transmission belt through a transmission gear in a meshed manner to drive the transmission slide column to rotate, the transmission slide column drives the transmission wheel to rotate, the motor support plate is used for fixing the motor to provide power for the rotation of the transmission slide column, the transmission slide column is used for fixing the transmission wheel, the transmission wheel is used for driving the device to transmit, the clamping frame is used for fixing a fixed plate, and the fixed plate is used for protecting the transmission wheel to drive the paper box;

2. the surface pattern printer of the packaging paper box has the following advantages: the carton box fixing device is provided with a limiting unit, the limiting unit is used for driving the limiting plates to move through the supporting sliding blocks, the limiting plates are used for fixing the protection pads, the protection pads are used for protecting the carton boxes, the sliding columns are used for driving the supporting sliding blocks to slide, the stabilizing sliding columns are used for driving the stabilizing sliding blocks to slide, the stabilizing sliding blocks are used for enabling the limiting plates to be more stable, the buffer springs are compressed through moving the limiting plates, the carton boxes are fixed between the two limiting plates, and the carton boxes are fixed, so that the carton box fixing device is convenient to adjust;

3. the surface pattern printer of the packaging paper box has the following advantages: the surface of the paper box is fixed firmly, and the paper boxes with different sizes can be fixed and limited.

Drawings

FIG. 1 is a schematic diagram of the front structure of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the rear cross-sectional structure of the present utility model.

In the figure: the device comprises a supporting flat plate 1, a belt conveyor 2, a limiting unit 3, a limiting plate 31, a supporting sliding block 32, a sliding column 33, a buffer spring 34, a stabilizing sliding block 35, a stabilizing sliding column 36, a protecting pad 37, a conveying unit 4, a driving sliding column 41, a conveying gear 42, a conveying belt 43, a fixing flat plate 44, a clamping frame 45, a conveying wheel 46, a motor supporting plate 47, a motor 48, a printing unit 5, a supporting block 51, a printing fixing shell 52, a rectangular plate 53, a triangular sliding plate 54, a motor fixing plate 55, an ink absorbing roller 56, a printing roller 57, a gear 58, a printing motor 59, a fixing door plate 6, a handrail 7 and a supporting leg 8.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present embodiment provides a technical solution: a packaging carton surface pattern printer comprises a support flat plate 1, a limiting unit 3, a conveying unit 4 and a printing unit 5;

support plate 1: the four corners of the lower side are respectively and fixedly connected with supporting legs 8, rectangular holes are formed in the positions, located on the right side of the supporting flat plate 1, of the upper side surface of the supporting flat plate 1, the rectangular holes extend to the upper side and the lower side of the supporting flat plate 1, a belt conveyor 2 is arranged in each rectangular hole, a printing unit 5 is arranged on the supporting flat plate 1 and located at the edge of the belt conveyor 2, a limiting unit 3 is arranged on the upper side surface of the supporting flat plate 1 and located at the left side of the printing unit 5, and the input end of the belt conveyor 2 is electrically connected with the output end of an external power supply through an external control switch group;

the transfer unit 4: the device comprises transmission slide columns 41, fixed flat plates 44, clamping frames 45 and conveying wheels 46, wherein rectangular limiting holes are formed in the upper side surface of a support flat plate 1 at positions between two limiting plates 31 in a limiting unit 3, the rectangular limiting holes extend to the upper side and the lower side of the support flat plate 1, the front side and the rear side of each rectangular limiting hole respectively rotate a plurality of linear array transmission slide columns 41, one end of each transmission slide column 41 extends to the front side of the corresponding support flat plate 1, the positions, located in the rectangular limiting holes, of each transmission slide column 41 are respectively and fixedly connected with the conveying wheels 46 of the plurality of linear arrays, the positions, located in the rectangular limiting holes, of the support flat plate 1 are fixedly clamped with the clamping frames 45, the fixed flat plates 44 are fixedly clamped with the clamping frames 44, the fixed flat plates 44 correspond to the conveying wheels 46, and the upper half parts of the conveying wheels 46 extend to the upper sides of the fixed flat plates 44 respectively.

The supporting flat plate 1 is used for fixing device, the supporting leg 8 is used for supporting the supporting flat plate 1, the belt conveyor 2 is used for driving the carton to transmit, the printing unit 5 is used for printing, the limiting unit 3 is used for limiting the carton, the carton is conveniently fixed, the transmission slide column 41 is used for fixing the transmission wheel 46, the transmission wheel 46 is used for driving the device to transmit, the clamping frame 45 is used for fixing the fixing flat plate 44, the fixing flat plate 44 is used for protecting the transmission wheel 46, and the carton is conveniently transmitted, so that the carton is conveniently printed.

The conveying unit 4 further comprises conveying gears 42, conveying belts 43, a motor supporting plate 47 and a motor 48, one ends, extending to the front sides of the supporting plates 1, of all the driving sliding columns 41 are fixedly connected with the conveying gears 42 respectively, all the conveying gears 42 are in meshed connection through the conveying belts 43, the front side of the supporting plate 1 is located at a position corresponding to one of the driving sliding columns 41 and is fixedly connected with the motor supporting plate 47, the upper side surface of the motor supporting plate 47 is fixedly connected with the motor 48, an output shaft of the motor 48 is fixedly connected with the end face of the corresponding one of the driving sliding columns 41, and an input end of the motor 48 is electrically connected with an output end of an external power supply through an external control switch group.

The transmission gear 42 is engaged with the transmission belt 43 to drive the transmission slide column 41 to rotate, the transmission slide column 41 drives the transmission wheel 46 to rotate, the motor support plate 47 is used for fixing the motor 48, and the motor 48 is used for providing power for the rotation of the transmission slide column 41 so as to provide power for the transmission of the paper box, so that the transmission slide column 41 rotates.

The printing unit 5 comprises supporting blocks 51, a printing fixing shell 52, a rectangular plate 53, a triangular sliding plate 54, ink absorbing rollers 56 and printing rollers 57, wherein the upper side surface of the supporting flat plate 1 is fixedly connected with one ends of the supporting blocks 51 at the edges of four corners of the belt conveyor 2, the other ends of the four supporting blocks 51 are fixedly connected with four corners of the lower side surface of the printing fixing shell 52, the rectangular plate 53 is fixedly clamped in the printing fixing shell 52, the rectangular plate 54 is fixedly connected with the upper side of the rectangular plate 53 in the printing fixing shell 52, rectangular holes are formed in the middle of the lower side surface of the printing fixing shell 52 and penetrate through the lower side end surface of the printing fixing shell 52, a rotating column I is rotatably connected with the position of the rectangular holes in the printing fixing shell 52, a printing roller 57 is sleeved on the position of the rotating column I, the position of the upper side of the printing roller 57 is fixedly sleeved with the ink absorbing rollers 56 in the printing fixing shell 52, an ink outlet is formed in the rectangular plate 53, the lower side surface of the rectangular plate 53 is fixedly connected with a rectangular pipeline at the position of the ink outlet, and the rectangular pipeline is corresponding to the rectangular pipeline 54 and corresponds to the triangular pipeline 54.

The support block 51 is used for fixing the printing fixing case 52, the printing fixing case 52 is used for supporting the ink absorbing roller 56 and the printing roller 57, the rectangular plate 53 is used for storing ink, the triangular sliding plate 54 is used for facilitating ink flowing from the printing fixing case 52 to the ink absorbing roller 56 to facilitate printing, the ink is absorbed to the printing roller 57 through the ink absorbing roller 56, the printing roller 57 is used for printing on a paper box, the ink absorbing roller 56 is made of an ink absorbing sponge material to absorb the ink, and printing is performed.

The printing unit 5 further comprises a motor fixing plate 55, a gear 58 and a printing motor 59, one end of the second rotating column and one end of the first rotating column extend to the rear side of the corresponding printing fixing shell 52 and are fixedly connected with the gear 58, the two gears 58 are in meshed connection, the right side surface of the printing fixing shell 52 is fixedly connected with the motor fixing plate 55 at the position corresponding to the second rotating column, the right side surface of the motor fixing plate 55 is fixedly connected with the printing motor 59, an output shaft of the printing motor 59 is fixedly connected with the corresponding second rotating column, and an input end of the printing motor 59 is electrically connected with an output end of an external power supply through an external control switch group.

The motor fixing plate 55 is used for fixing the printing motor 59, and the printing motor 59 is used for driving one rotating column I to rotate, and is connected in a meshed mode through two gears 58 to power the rotating columns I and II to rotate so as to print.

The limiting unit 3 comprises limiting plates 31, supporting sliding blocks 32, sliding columns 33, buffer springs 34, stabilizing sliding blocks 35, stabilizing sliding columns 36 and protection pads 37, wherein limiting sliding grooves are formed in positions, located on the left side and the right side of a fixed flat plate 44, of the upper side surface of the supporting flat plate 1, the sliding columns 33 are fixedly connected in the two limiting sliding grooves respectively, the two sliding columns 33 are respectively connected with two equidistant supporting sliding blocks 32 in a sliding manner, two ends of the buffer springs 34 are respectively fixedly connected at positions between the front end and the rear end of the side, which are not corresponding to the four supporting sliding blocks 32, of the two limiting sliding blocks 32, each buffer spring 34 is sleeved on the corresponding sliding column 33 respectively, two corners of the lower ends of the two limiting plates 31 are respectively fixedly connected with the corresponding supporting sliding blocks 32, one sides, corresponding to the two supporting sliding blocks 32, of the two limiting sliding blocks 37 are respectively fixedly connected with the left side surface of the printing fixed shell 52, the stabilizing sliding columns 36 are fixedly connected in the stabilizing sliding grooves, the two equidistant stabilizing sliding blocks 35 are respectively connected with the right side surface of the corresponding limiting plates 31.

The supporting slide block 32 is used for driving the limiting plate 31 to move, the limiting plate 31 is used for fixing the protection pad 37, the protection pad 37 is used for protecting the paper box, the slide column 33 is used for driving the supporting slide block 32 to slide, the stable slide column 36 is used for driving the stable slide block 35 to slide, the stable slide block 35 is used for enabling the limiting plate 31 to be more stable, the buffer spring 34 is compressed through moving the limiting plate 31, the paper box is fixed between the two limiting plates 31, the paper box is fixed, and the paper boxes with different lengths are fixed through convenient adjustment.

Still include fixed door plant 6 and handrail 7, the inspection cleaning mouth has been seted up to the upside surface of printing fixed shell 52, and the inspection cleaning mouth extends to in the printing fixed shell 52, and one of them side sliding connection of inspection cleaning mouth is fixed door plant 6, and the upside surface fixed connection handrail 7 of fixed door plant 6.

The fixed door plate 6 is used for conveniently replacing printing ink to protect the printing ink, the printing ink is prevented from being polluted by the outside, and the handrail 7 is used for conveniently driving the fixed door plate 6 to move to protect the printing ink.

The utility model provides a packaging paper box surface pattern printer, which has the following working principle: the supporting slide block 32 is used for driving the limiting plates 31 to move, the limiting plates 31 are used for fixing the protection pads 37, the protection pads 37 are used for protecting the cartons, the slide column 33 is used for driving the supporting slide block 32 to slide, the stabilizing slide column 36 is used for driving the stabilizing slide block 35 to slide, the stabilizing slide block 35 is used for enabling the limiting plates 31 to be more stable, the buffer springs 34 are compressed by moving the limiting plates 31, the cartons are fixed between the two limiting plates 31, the cartons are fixed and conveniently adjusted, the cartons are fixed, then the transmission slide column 41 is driven to rotate by being meshed and connected with the transmission belt 43 through the transmission gear 42, the transmission slide column 41 drives the transmission wheel 46 to rotate, the motor support plate 47 is used for fixing the motor 48, the motor 48 is used for providing power for the rotation of the transmission slide column 41, the transmission slide column 41 is used for fixing the transmission wheel 46, the transfer wheel 46 is used for driving the device, the clamping frame 45 is used for fixing the fixing flat plate 44, the fixing flat plate 44 is used for protecting the transfer wheel 46, the paper box is driven to be driven to the belt conveyor 2, the motor fixing plate 55 is used for fixing the printing motor 59, the printing motor 59 is used for driving one rotary column to rotate, the two gears 58 are meshed and connected to power the rotation of the rotary column I and the rotary column II, the supporting block 51 is used for fixing the printing fixing shell 52, the printing fixing shell 52 is used for supporting the ink absorbing roller 56 and the printing roller 57, the rectangular plate 53 is used for storing ink, the triangular sliding plate 54 is used for facilitating the ink to flow from the printing fixing shell 52 to the ink absorbing roller 56, printing is facilitated through the ink absorbing roller 56 to enable the ink to be absorbed on the printing roller 57, the printing roller 57 is used for enabling the paper box to be printed, to complete the printing.

It should be noted that the core chip of the external control switch set disclosed in the above embodiment is a PLC single chip microcomputer, the motor 48 and the printing motor 59 adopt servo motors, and the external control switch set controls the belt conveyor 2, the motor 48 and the printing motor 59 to operate by a method commonly used in the prior art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A packaging carton surface pattern printing machine which is characterized in that: comprises a supporting flat plate (1), a limiting unit (3), a conveying unit (4) and a printing unit (5);

support plate (1): the four corners of the lower side are respectively and fixedly connected with supporting legs (8), rectangular holes are formed in positions, located on the right side of the supporting flat plate (1), of the upper side surface of the supporting flat plate (1), the rectangular holes extend to the upper side and the lower side of the supporting flat plate (1), a belt conveyor (2) is arranged in each rectangular hole, a printing unit (5) is arranged on the supporting flat plate (1) and located at the edge of the belt conveyor (2), a limiting unit (3) is arranged on the left side of the printing unit (5) on the upper side surface of the supporting flat plate (1), and the input end of the belt conveyor (2) is electrically connected with the output end of an external power supply through an external control switch group;

a conveying unit (4): the automatic transmission device comprises transmission sliding columns (41), fixed flat plates (44), clamping frames (45) and transmission wheels (46), wherein rectangular limiting holes are formed in positions, located between two limiting plates (31), of a limiting unit (3) on the upper side surface of the supporting flat plate (1), the rectangular limiting holes extend to the upper side and the lower side of the supporting flat plate (1), the transmission sliding columns (41) of a plurality of linear arrays are respectively rotated on the front side and the rear side of the rectangular limiting holes, one end of each transmission sliding column (41) extends to the front side of the corresponding supporting flat plate (1), the transmission wheels (46) of a plurality of linear arrays are respectively and fixedly connected to the positions, located in the rectangular limiting holes, of each transmission sliding column (41), the clamping frames (45) are fixedly clamped with the fixed flat plates (44), the fixed flat plates (44) correspond to the transmission wheels (46), and the upper half parts of the transmission wheels (46) are respectively extended to the upper sides of the fixed flat plates (44).

2. A packaging carton surface pattern printer as claimed in claim 1, wherein: the conveying unit (4) further comprises conveying gears (42), conveying belts (43), motor support plates (47) and motors (48), one ends, extending to the front sides of the support plates (1), of all the transmission slide columns (41) are fixedly connected with the conveying gears (42) respectively, all the conveying gears (42) are connected in a meshed mode through the conveying belts (43), the front sides of the support plates (1) are located at the corresponding positions of one of the transmission slide columns (41) and fixedly connected with the motor support plates (47), the upper side surfaces of the motor support plates (47) are fixedly connected with the motors (48), the output shafts of the motors (48) are fixedly connected with the end faces of one of the corresponding transmission slide columns (41), and the input ends of the motors (48) are electrically connected with the output ends of an external power supply through an external control switch group.

3. A packaging carton surface pattern printer as claimed in claim 1, wherein: the printing unit (5) comprises a supporting block (51), a printing fixing shell (52), a rectangular plate (53), a triangular sliding plate (54), an ink absorbing roller (56) and a printing roller (57), wherein the upper side surface of the supporting plate (1) is fixedly connected with one end of the supporting block (51) at the edges of four corners of the belt conveyor (2), the other ends of the four supporting blocks (51) are fixedly connected with four corners of the lower side surface of the printing fixing shell (52), the rectangular plate (53) is fixedly clamped in the printing fixing shell (52), the rectangular hole is formed in the middle of the lower side surface of the printing fixing shell (52), the rectangular hole penetrates through the lower side end surface of the printing fixing shell (52), the first rotating column is fixedly sleeved with the printing roller (57) at the position of the rectangular hole, the second rotating column is fixedly sleeved with the printing roller (57) at the upper side of the printing fixing shell (52), the second rotating column is fixedly connected with the upper side of the printing roller (57), the second rotating column is fixedly sleeved with the ink absorbing roller (53) at the position of the lower side of the rectangular plate (53), the rectangular pipe corresponds to an ink absorbing roller (56), and the triangular sliding plate (54) corresponds to an ink outlet.

4. A packaging carton surface pattern printer as claimed in claim 3, wherein: the printing unit (5) further comprises a motor fixing plate (55), a gear (58) and a printing motor (59), one end of the second rotating column and one end of the first rotating column extend to the rear side of the corresponding printing fixing shell (52) and are fixedly connected with the gear (58), the two gears (58) are connected with each other in a meshed mode, the right side surface of the printing fixing shell (52) is fixedly connected with the motor fixing plate (55) at the position corresponding to the second rotating column, the right side surface of the motor fixing plate (55) is fixedly connected with the printing motor (59), an output shaft of the printing motor (59) is fixedly connected with the corresponding second rotating column, and the input end of the printing motor (59) is electrically connected with the output end of an external power supply through an external control switch group.

5. The packaging carton surface pattern printer of claim 4 wherein: limiting unit (3) are including limiting plate (31), support slider (32), traveller (33), buffer spring (34), stable slider (35), stable traveller (36) and protection pad (37), spacing spout has been seted up to the position that the upside surface of supporting flat board (1) is located fixed flat board (44) left and right sides, fixed connection traveller (33) respectively in two spacing spouts, two equidistant support slider (32) of sliding connection respectively on two traveller (33), the both ends of fixed connection buffer spring (34) respectively in the position between the front and back end in four support slider (32) and two spacing spouts, every buffer spring (34) cup joint respectively on corresponding traveller (33), two limiting plate (31) lower extreme both corners respectively with corresponding support slider (32) fixed connection, one side that two support slider (32) correspond is fixed connection protection pad (37) respectively, the left side surface of printing fixed shell (52) has seted up stable spout, fixed connection stable slider (36) in the stable spout, two fixed connection stable slider (35) correspond on two fixed connection surfaces of sliding connection (35) respectively.

6. A packaging carton surface pattern printer as claimed in claim 3, wherein: still include fixed door plant (6) and handrail (7), inspection cleaning mouth has been seted up to the upside surface of printing fixed shell (52), inspection cleaning mouth extends to in the printing fixed shell (52), wherein one side sliding connection fixed door plant (6) of inspection cleaning mouth, upside surface fixed connection handrail (7) of fixed door plant (6).