CN112917999A

CN112917999A - Paperboard indentation device for color printing packaging

Info

Publication number: CN112917999A
Application number: CN202110139995.XA
Authority: CN
Inventors: 叶凌
Original assignee: Ji'an Yinyan Electronic Technology Co ltd
Current assignee: Ji'an Yinyan Electronic Technology Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-06-08

Abstract

The invention discloses a paperboard creasing device for color printing packaging, and particularly relates to the technical field of paperboard creasing devices, wherein the technical scheme is as follows: the device comprises an indentation platform, a feeding device, a conveying device and an indentation device, wherein the feeding device is arranged at the upper end of the indentation platform, the feeding device comprises a first positioning plate, a second positioning plate, a third positioning plate and a fourth positioning plate, the side end of the first positioning plate is connected with the second positioning plate in an inserting mode, the end, far away from the first positioning plate, of the second positioning plate and the fourth positioning plate is connected with the third positioning plate in an inserting mode, a guide plate is fixedly installed at the upper end of the indentation platform, a rotating rod is connected with the inner wall of the guide plate in an inserting mode, a transmission roller is fixedly installed on the inner side of the rotating rod: through set up automatic feeding device and carry out two-sided indentation to the cardboard and handle, make the convenient indentation that removes of cardboard handle, avoid the cardboard to appear the crack phenomenon.

Description

Paperboard indentation device for color printing packaging

Technical Field

The invention relates to the field of paperboard creasing devices, in particular to a paperboard creasing device for color printing packaging.

Background

The paper board is also called board paper, usually plant fiber is used as raw material, also add non-plant fiber, make on the board machine, some special paper boards also mix animal fiber such as wool or mineral fiber such as asbestos, the paper box made of paper board has gradually replaced the transport packaging container such as the wooden case with its superior performance and good processability, become the leading force of the transport packaging, it is besides protecting the goods, facilitating the storage and transportation, also play a role in beautifying the goods, carry on the process of indentation to the paper board is the key process in the color printing packaging.

The prior art has the following defects: the existing paperboard creasing device adopts manual positioning to feed the paperboard into equipment for creasing, the operation process is dangerous, and the paperboard is easy to crack when being creased, so that the subsequent use quality of the paperboard is influenced.

Therefore, there is a need for a paperboard creasing device for color printed packaging.

Disclosure of Invention

Therefore, the invention provides a paperboard creasing device for color printing packaging, which solves the problems that the paperboard creasing device adopts manual positioning to feed the paperboard into equipment for creasing, the operation process is dangerous, and the subsequent use quality of the paperboard is affected due to the fact that the paperboard is easy to crack during creasing by arranging an automatic feeding device for the paperboard and performing double-sided creasing treatment on the paperboard.

In order to achieve the above purpose, the invention provides the following technical scheme: a paperboard creasing device for color printing packaging comprises a creasing table, a feeding device, a conveying device and a creasing device, wherein the feeding device is arranged at the upper end of the creasing table, the feeding device comprises a first positioning plate, a second positioning plate, a third positioning plate and a fourth positioning plate, the side end of the first positioning plate is spliced with the second positioning plate and the fourth positioning plate, one ends of the second positioning plate and the fourth positioning plate, which are far away from the first positioning plate, are spliced with the third positioning plate, a guide plate is fixedly installed at the upper end of the creasing table, a rotating rod is spliced with the inner wall of the guide plate, a transmission roller is fixedly installed at the inner side of the rotating rod, the conveying device is fixedly installed at the side end of the creasing table, the conveying device comprises a servo motor, a rotating shaft is fixedly installed at the output end of the servo motor, the side end of the, the indentation bench upside fixed mounting the indentation device, the indentation device includes the curb plate, curb plate fixed mounting be in indentation bench end, curb plate upper end fixed mounting backup pad, slide two is seted up to the backup pad inner wall, two upsides of slide are equipped with the positioning seat, the inboard fixed mounting pneumatic cylinder of positioning seat, backup pad upper end fixed mounting hydraulic stem, pneumatic cylinder side fixed connection the hydraulic stem, pneumatic cylinder lower extreme fixed mounting connecting seat, connecting seat lower extreme fixed mounting support frame, the inboard fixed mounting pinch roller of support frame, the pinch roller with the fixed mounting locating pin between the support frame, indentation bench end sets up the recess, the inboard fixed mounting holding down plate of recess.

Preferably, the humidifier is fixedly installed at the lower end of the supporting plate, the water inlet pipe is fixedly installed on the inner wall of the supporting plate, the water inlet pipe is fixedly connected with the humidifier, and the spraying pipe is fixedly installed at the side end of the humidifier.

Preferably, a fixing plate is installed on the inner side of the lower end of the side plate through screws, and a clamping plate is fixedly installed on the inner side of the fixing plate.

Preferably, the inner wall of the guide plate is provided with a through hole, the rotating rod penetrates through the inner wall of the through hole, the inner wall of the guide plate is provided with a clamping groove, a pressing plate is arranged on the upper side of the clamping groove, a pressing rod is fixedly installed at the side end of the pressing plate, a first slide way is arranged at the side end of the clamping groove, and the pressing rod is inserted into the inner side of the first slide way.

Preferably, plate outlets are formed in the third positioning plate and the fourth positioning plate.

Preferably, the side ends of the side plates are fixedly provided with a top plate.

Preferably, the lower end of the indentation table is fixedly provided with a supporting leg, the side end of the servo motor is fixedly provided with a supporting seat, and the supporting seat is mounted at the side end of the indentation table through a screw.

Preferably, a connecting block is fixedly installed at the joint of the hydraulic rod and the hydraulic cylinder.

Preferably, a threaded rod is installed on the inner wall of the indentation platform in a threaded mode, and the upper end of the threaded rod is fixedly connected with the lower pressing plate.

Preferably, the driving roller rotates clockwise, and the driving roller rotates synchronously.

The invention has the beneficial effects that:

the feeding device is arranged at the upper end of the indentation platform and has the function of facilitating automatic positioning and feeding of paperboards for indentation, the feeding device comprises a first positioning plate, a second positioning plate, a third positioning plate and a fourth positioning plate, the side end of the first positioning plate is inserted into the second positioning plate and the fourth positioning plate, the end, far away from the first positioning plate, of the second positioning plate and the fourth positioning plate is inserted into the third positioning plate, the first positioning plate, the second positioning plate, the third positioning plate and the fourth positioning plate can adjust the space size in the feeding device according to the size of the paperboards, the paperboards with different sizes can be conveniently positioned and conveyed with indentation in a unified mode, the length in the feeding device can be changed by moving the first positioning plate and the fourth positioning plate up and down, the width in the feeding device can be changed by moving, the upper end of the indentation platform is fixedly provided with a guide plate, and the guide plate has the function of guiding the movement of the paper board, so that the position of the paper board is prevented from deviating, and the phenomena of clamping and warping of the paper board are prevented;

the guide plate inner wall pegs graft the bull stick, the bull stick has the effect of installing the driving roller, facilitate the driving roller to rotate, the inboard fixed mounting driving roller of bull stick, the driving roller has the effect of transporting the feed plate to the right, indentation platform side fixed mounting conveyor, conveyor has the effect of transporting the cardboard location to indentation device department, conveyor includes the servo motor, the servo motor has the effect of rotating the pivot shaft, the servo motor output end fixed mounting pivot shaft, the pivot shaft has the effect of making the swivel ring rotate clockwise, the bull stick side fixed connection swivel ring, there is the lug on the swivel ring surface, the swivel ring has the effect of connecting the chain, a swivel ring is installed to every group driving roller, the pivot fixed connection swivel ring, the swivel ring outer wall cup joints the chain, the rotating rods and the driving rollers of each group are driven to rotate through the chains, and the chains have the function of connecting the rotating rings to enable the rotating rings to rotate synchronously;

the creasing device is fixedly arranged on the upper side of the creasing table, the creasing device has the effect of efficiently creasing the two sides of a paperboard, the creasing device comprises a side plate, the side plate has the effect of fixing a support plate, the side plate is fixedly arranged on the upper end of the creasing table, the support plate has the effect of supporting a hydraulic rod and a hydraulic cylinder, the inner wall of the support plate is provided with a second slide way, the second slide way has the effect of facilitating the hydraulic cylinder to move left and right for creasing the paperboard, the upper side of the second slide way is provided with a positioning seat, the positioning seat has the effect of moving the hydraulic cylinder left and right for facilitating the movement of the paperboard along the creasing and the pressing wheel, the hydraulic cylinder has the effect of lifting the pressing wheel for facilitating the adjustment and pressing down of paperboards with different thicknesses, the hydraulic rod is fixedly arranged on the upper end, pressing wheels are used for impressing the paper boards at different positions, a connecting seat is fixedly arranged at the lower end of the hydraulic cylinder, and the connecting seat has the function of fixing a supporting frame;

connecting seat lower extreme fixed mounting support frame, the support frame has the effect of installation pinch roller, the inboard fixed mounting pinch roller of support frame, the pinch roller has the effect that rotates to carry out the indentation processing to the cardboard, fixed mounting locating pin between pinch roller and the support frame, the locating pin has the effect of installation pinch roller, indentation bench end is seted up the recess, the recess has the effect of installation holding down plate, the inboard fixed mounting holding down plate of recess, the holding down plate has the cooperation pinch roller to carry out the effect that two-sided indentation was handled to the cardboard, prevent that the cardboard from appearing the crack phenomenon when follow-up folding.

Drawings

FIG. 1 is a top view of a paperboard creasing device for color printed packaging according to the present invention;

FIG. 2 is a front view of a paperboard creasing device for color printed packaging according to the present invention;

FIG. 3 is a left side view of a creasing device in a paperboard creasing device for color printed packaging according to the present invention;

FIG. 4 is a block diagram of a region A of a paperboard creasing device for color printed packaging according to the present invention;

FIG. 5 is a top view of a feeding device in a paperboard creasing device for color printed packages according to the present invention;

FIG. 6 is a right side view of the feeding device in a paperboard creasing device for color printed packages according to the present invention;

FIG. 7 is a block diagram of a guide plate of a paperboard creasing device for color printed packages according to the present invention;

fig. 8 is a schematic view of the installation of the pressing wheel in the paperboard creasing device for color-printed packages according to the present invention.

In the figure: the device comprises an indentation table 1, a guide plate 11, a through hole 111, a first slide rail 112, a clamping groove 113, a pressing plate 12, a pressing rod 13, a top plate 14, a supporting leg 15, a groove 16, a feeding device 2, a first positioning plate 21, a second positioning plate 22, a third positioning plate 23, a fourth positioning plate 24, a plate outlet 25, a conveying device 3, a servo motor 31, a supporting seat 32, a chain 33, a rotating rod 34, a driving roller 35, a rotating ring 36, a rotating shaft 37, an indentation device 4, a side plate 41, a hydraulic rod 42, a connecting block 421, a hydraulic cylinder 43, a positioning seat 431, a threaded rod 44, a lower pressing plate 441, a supporting plate 45, a water inlet pipe 451, a second slide rail 452, a humidifier 46, a spray pipe 461, a clamping plate 47, a fixing plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Referring to the attached fig. 1-8, a paperboard creasing device for color printing packages comprises a creasing table 1, a feeding device 2, a conveying device 3 and a creasing device 4;

further, the feeding device 2 is arranged at the upper end of the indentation station 1, the feeding device 2 comprises a first positioning plate 21, a second positioning plate 22, a third positioning plate 23 and a fourth positioning plate 24, the side end of the first positioning plate 21 is inserted into the second positioning plate 22 and the fourth positioning plate 24, the end, far away from the first positioning plate 21, of the second positioning plate 22 and the fourth positioning plate 24 is inserted into the third positioning plate 23, the upper end of the indentation station 1 is fixedly provided with the guiding plate 11, the inner wall of the guiding plate 11 is inserted into the rotating rod 34, the inner side of the rotating rod 34 is fixedly provided with the driving roller 35, the side end of the indentation station 1 is fixedly provided with the conveying device 3, the conveying device 3 comprises a servo motor 31, the output end of the servo motor 31 is fixedly provided with a rotating shaft 37, the side end of the rotating rod 34 is fixedly connected with a rotating ring 36, the, the creasing device 4 is fixedly installed on the upper side of the creasing table 1, the creasing device 4 comprises a side plate 41, the side plate 41 is fixedly installed on the upper end of the creasing table 1, a supporting plate 45 is fixedly installed on the upper end of the side plate 41, a second slideway 452 is arranged on the inner wall of the supporting plate 45, a positioning seat 431 is arranged on the upper side of the second slideway 452, a hydraulic cylinder 43 is fixedly installed on the inner side of the positioning seat 431, a hydraulic rod 42 is fixedly installed on the upper end of the supporting plate 45, the side end of the hydraulic cylinder 43 is fixedly connected with the hydraulic rod 42, a connecting seat 482 is fixedly installed on the lower end of the hydraulic cylinder 43, a supporting frame 481 is fixedly installed on the lower end of the connecting seat 482, a pressing wheel 48 is fixedly installed on the inner side of the supporting frame 481, a positioning pin 483 is fixedly installed between the pressing wheel 48 and the supporting frame 481, a groove, the first positioning plate 21, the second positioning plate 22, the third positioning plate 23 and the fourth positioning plate 24 can adjust the space size in the feeding device 2 according to the size of the paper boards, so that the uniform positioning and conveying indentation of the paper boards with different sizes can be conveniently carried out, the length in the feeding device 2 can be changed by moving the first positioning plate 21 and the fourth positioning plate 24 up and down, the width in the feeding device 2 can be changed by moving the first positioning plate 21 and the second positioning plate 22 left and right, the inner walls of the first positioning plate 21, the second positioning plate 22, the third positioning plate 23 and the fourth positioning plate 24 contain magnets, the stretching distance of the feeding device 2 can be changed through magnetism, the guide plate 11 has the function of guiding the paper boards to move, the position of the paper boards is prevented from deviating and the phenomena of clamping boards and warping of the paper boards are prevented, the rotating rod 34 has the function of installing the, the conveying device 3 has the function of positioning and conveying the paper boards to the creasing device 4, the servo motor 31 has the function of rotating the rotating shaft 37, the rotating shaft 37 has the function of enabling the rotating ring 36 to rotate clockwise, the surface of the rotating ring 36 is provided with a bump, the rotating ring 36 has the function of connecting the chain 33, each group of driving rollers 35 is provided with one rotating ring 36, the chain 33 drives the rotating rod 34 and the driving roller 35 of each group to rotate, the chain 33 is connected with the rotating ring 36 to enable the rotating ring 36 to rotate synchronously, the creasing device 4 has the function of creasing the double faces of the paper boards efficiently, the side plate 41 has the function of fixing the support plate 45, the support plate 45 has the function of supporting the hydraulic rod 42 and the hydraulic cylinder 43, the slideway two 452 has the function of facilitating the left and right movement of the hydraulic cylinder 43 to crease the paper boards, the positioning seat 431 has the function of facilitating, the hydraulic cylinder 43 is set to be LD262, the hydraulic cylinder 43 has the function of lifting the pressing wheel 48, the paperboards with different thicknesses can be conveniently adjusted and pressed down, the hydraulic rod 42 is set to be YYB1-AA16, the hydraulic rod 42 has the function of pushing the hydraulic cylinder 43, the position of the hydraulic cylinder 43 can be adjusted left and right, the pressing wheel 48 can press the paperboards at different positions, the connecting seat 482 has the function of fixing the supporting frame 481, the supporting frame 481 has the function of installing the pressing wheel 48, the pressing wheel 48 has the function of rotating to press the paperboards, the positioning pin 483 has the function of installing the pressing wheel 48, the groove 16 has the function of installing the pressing plate 441, the pressing plate 441 has the function of matching the pressing wheel 48 to press the two sides of the paperboards, and the phenomenon that the;

furthermore, a humidifier 46 is fixedly installed at the lower end of the supporting plate 45, a water inlet pipe 451 is fixedly installed on the inner wall of the supporting plate 45, the water inlet pipe 451 is fixedly connected with the humidifier 46, an atomizing pipe 461 is fixedly installed at the side end of the humidifier 46, the humidifier 46 is set to be JSQ-A50U1, the humidifier 46 has the function of atomizing and humidifying the indentation of the paperboard and prevents the paperboard from being broken during indentation treatment, the water inlet pipe 451 has the function of adding water to the humidifier 46, and the atomizing pipe 461 has the function of transmitting water mist to the indentation of the paperboard;

further, a fixing plate 471 is installed on the inner side of the lower end of the side plate 41 through screws, a clamping plate 47 is fixedly installed on the inner side of the fixing plate 471, the fixing plate 471 has the function of fixing the clamping plate 47, the clamping plate 47 has the function of pressing the side end of the paper plate, and the phenomenon that the side end of the paper plate is tilted in the indentation process and bent is prevented;

furthermore, the inner wall of the guide plate 11 is provided with a through hole 111, the rotating rod 34 passes through the inner wall of the through hole 111, the inner wall of the guide plate 11 is provided with a clamping groove 113, the upper side of the clamping groove 113 is provided with a pressing plate 12, a pressure lever 13 is fixedly arranged at the side end of the pressure plate 12, a first slideway 112 is arranged at the side end of the clamping groove 113, the pressing rod 13 is inserted into the inner side of the first slideway 112, the through hole 111 has the function of positioning the rotating rod 34, a bearing is arranged on the inner wall of the through hole 111 to facilitate the rotation of the rotating rod 34, the clamping groove 113 has the function of positioning the side end of the paperboard to prevent the paperboard from deviating in the moving process and from being ejected, the pressing plate 12 has the function of positioning the height inside the clamping groove 113 according to the thickness of the paperboard to prevent the paperboard from being ejected in the moving process, the pressing rod 13 has the function of vertically adjusting the height of the pressing plate 12, and the first slideway 112 is a square slideway and has the function of facilitating the up-;

furthermore, a plate outlet 25 is formed in the side ends of the third positioning plate 23 and the fourth positioning plate 24, and the plate outlet 25 has the function of facilitating the paper plates to be moved out of and fed into the device 2;

furthermore, the side end of the side plate 41 is fixedly provided with a top plate 14, and the top plate 14 has the function of positioning the upper side of the paper plate, so that the paper plate is prevented from popping up and deviating;

furthermore, a support leg 15 is fixedly installed at the lower end of the indentation table 1, a support seat 32 is fixedly installed at the side end of the servo motor 31, the support seat 32 is installed at the side end of the indentation table 1 through a screw, the support leg 15 has the function of supporting the indentation table 1, and the support seat 32 has the function of supporting the servo motor 31;

furthermore, a connecting block 421 is fixedly installed at the joint of the hydraulic rod 42 and the hydraulic cylinder 43, and the connecting block 421 has an effect of facilitating the hydraulic rod 42 to push the hydraulic cylinder 43;

further, a threaded rod 44 is installed on the inner wall of the creasing table 1 in a threaded manner, the upper end of the threaded rod 44 is fixedly connected with the lower pressing plate 441, and the threaded rod 44 has the height function of positioning the lower pressing plate 441, so that creasing can be conveniently performed on a paperboard;

further, driving roller 35 rotates clockwise, driving roller 35 rotates in step, conveniently removes the cardboard, avoids the cardboard side to appear buckling, avoids the cardboard to be launched.

The using process of the invention is as follows: when the invention is used, the upper end of the indentation platform 1 is provided with the feeding device 2, the feeding device 2 comprises a first positioning plate 21, a second positioning plate 22, a third positioning plate 23 and a fourth positioning plate 24, the side end of the first positioning plate 21 is inserted into the second positioning plate 22 and the fourth positioning plate 24, the end of the second positioning plate 22 and the fourth positioning plate 24, which is far away from the first positioning plate 21, is inserted into the third positioning plate 23, a paperboard is placed into the feeding device 2, the positions of the first positioning plate 21, the second positioning plate 22, the third positioning plate 23 and the fourth positioning plate 24 are adjusted, the upper end of the indentation platform 1 is fixedly provided with the guide plate 11, the inner wall of the guide plate 11 is inserted into the rotating rod 34, the inner side of the rotating rod 34 is fixedly provided with the driving roller 35, the side end of the indentation platform 1 is fixedly provided with the conveying device 3, the conveying device 3 comprises the servo motor 31, starting a servo motor 31, wherein the servo motor 31 rotates a rotating shaft 37, the rotating shaft 37 drives rotating rings 36 to rotate clockwise, chains 33 on the faces of the rotating rings 36 drive each group of rotating rings 36 to rotate, the rotating rings 36 rotate rotating rods 34, the rotating rods 34 rotate driving rollers 35, the driving rollers 35 drive the paperboards fed into the device 2 to be conveyed rightwards, the paperboards are controlled in a specified space through a guide plate 11 to be conveyed, the phenomena of turning and ejection of the paperboards are prevented, an indentation device 4 is fixedly arranged on the upper side of an indentation table 1, the indentation device 4 comprises a side plate 41, the side plate 41 is fixedly arranged at the upper end of the indentation table 1, a support plate 45 is fixedly arranged at the upper end of the side plate 41, a second slideway 452 is arranged on the inner wall of the support plate 45, a positioning seat 431 is arranged on the upper side of the second slideway 452, a hydraulic cylinder 43 is fixedly arranged, a connecting seat 482 is fixedly installed at the lower end of the hydraulic cylinder 43, a supporting frame 481 is fixedly installed at the lower end of the connecting seat 482, a pressing wheel 48 is fixedly installed on the inner side of the supporting frame 481, a positioning pin 483 is fixedly installed between the pressing wheel 48 and the supporting frame 481, a groove 16 is formed at the upper end of the indentation table 1, a lower pressing plate 441 is fixedly installed on the inner side of the groove 16, the hydraulic cylinder 43 is started according to the thickness of the paperboard, the height of the hydraulic cylinder 43 is adjusted and then fixed, a hydraulic rod 42 is started, the hydraulic cylinder 43 is pushed to enable the hydraulic cylinder 43 to be in a left-right moving state, the pressing wheel 48 is pressed at the upper end of the paperboard, the lower pressing plate 441 is abutted against the lower end of the paperboard, indentation processing is simultaneously carried out on the two sides of the paperboard, the phenomenon of fracture of the paperboard is prevented, a humidifier 46, a small amount of water mist is sprayed to the indentation of the paper board through a humidifier 46 and an atomizing pipe 461 for wetting, the paper board is prevented from being broken when being pressed too hard, a fixing plate 471 is installed on the inner side of the lower end of a side plate 41 through screws, a clamping plate 47 is fixedly installed on the inner side of the fixing plate 471, when the paper board is indented, the side end of the paper board enters the lower end of the clamping plate 47, the side end of the paper board is pressed through the clamping plate 47, the phenomenon that the side end of the paper board is warped in the indentation process is prevented, a through hole 111 is formed in the inner wall of a guide plate 11, a rotating rod 34 penetrates through the inner wall of the through hole 111, a clamping groove 113 is formed in the inner wall of the guide plate 11, a pressing plate 12 is arranged on the upper side of the clamping groove 113, a pressing rod 13 is fixedly installed on the pressing plate 12, the height of depression bar 13 according to cardboard thickness adjustment clamp plate 12, conveniently carry out position location to the cardboard, a board outlet 25 is seted up to locating plate three 23 and locating plate four 24 sides, board outlet 25 has the effect that makes things convenient for the cardboard to shift out and send into

device

2, 1 inner wall screw thread installation threaded rod 44 of indentation platform, threaded rod 44 upper end fixed connection holding down plate 441, threaded rod 44 has the high effect of location holding down plate 441, conveniently carry out the indentation to the cardboard, driving roller 35 clockwise rotation, driving roller 35 synchronous revolution, make the cardboard remove in order carry out the indentation and handle.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.

Claims

1. A cardboard creasing device for colour printed packages, comprising a creasing table (1), a feeding device (2), a conveying device (3) and a creasing device (4), characterized in that: the feeding device (2) is arranged at the upper end of the indentation platform (1), the feeding device (2) comprises a first positioning plate (21), a second positioning plate (22), a third positioning plate (23) and a fourth positioning plate (24), the first positioning plate (21) is connected with the second positioning plate (22) and the fourth positioning plate (24) in an inserting mode at the side end, the second positioning plate (22) and the fourth positioning plate (24) are far away from the first positioning plate (21) and the third positioning plate (23) in an inserting mode at one end, a guide plate (11) is fixedly installed at the upper end of the indentation platform (1), a rotating rod (34) is connected with the inner wall of the guide plate (11) in an inserting mode, a transmission roller (35) is fixedly installed on the inner side of the rotating rod (34), the conveying device (3) is fixedly installed at the side end of the indentation platform (1), the conveying device (3), the side end of the rotating rod (34) is fixedly connected with a rotating ring (36), the rotating shaft (37) is fixedly connected with the rotating ring (36), the outer wall of the rotating ring (36) is sleeved with a chain (33), the upper side of the indentation platform (1) is fixedly provided with the indentation device (4), the indentation device (4) comprises a side plate (41), the side plate (41) is fixedly arranged at the upper end of the indentation platform (1), the upper end of the side plate (41) is fixedly provided with a supporting plate (45), the inner wall of the supporting plate (45) is provided with a second slideway (452), the upper side of the second slideway (452) is provided with a positioning seat (431), the inner side of the positioning seat (431) is fixedly provided with a hydraulic cylinder (43), the upper end of the supporting plate (45) is fixedly provided with a hydraulic rod (42), the side end of the hydraulic cylinder (43) is fixedly connected with, the pressing device is characterized in that a support frame (481) is fixedly installed at the lower end of the connecting seat (482), a pressing wheel (48) is fixedly installed on the inner side of the support frame (481), a positioning pin (483) is fixedly installed between the pressing wheel (48) and the support frame (481), a groove (16) is formed in the upper end of the indentation table (1), and a lower pressing plate (441) is fixedly installed on the inner side of the groove (16).

2. A paperboard creasing device for color printed packaging, according to claim 1, characterised in that: backup pad (45) lower extreme fixed mounting humidifier (46), backup pad (45) inner wall fixed mounting inlet tube (451), inlet tube (451) fixed connection humidifier (46), humidifier (46) side fixed mounting spray tube (461).

3. A paperboard creasing device for color printed packaging, according to claim 1, characterised in that: and a fixing plate (471) is installed on the inner side of the lower end of the side plate (41) through screws, and a clamping plate (47) is fixedly installed on the inner side of the fixing plate (471).

4. A paperboard creasing device for color printed packaging, according to claim 1, characterised in that: the inner wall of the guide plate (11) is provided with a through hole (111), the rotating rod (34) penetrates through the inner wall of the through hole (111), the inner wall of the guide plate (11) is provided with a clamping groove (113), a pressing plate (12) is arranged on the upper side of the clamping groove (113), a pressing rod (13) is fixedly installed at the side end of the pressing plate (12), a first slideway (112) is arranged at the side end of the clamping groove (113), and the pressing rod (13) is inserted into the inner side of the first slideway (112).

5. A paperboard creasing device for color printed packaging, according to claim 1, characterised in that: plate outlets (25) are formed in the side ends of the third positioning plate (23) and the fourth positioning plate (24).

6. A paperboard creasing device for color printed packaging, according to claim 1, characterised in that: the side end of the side plate (41) is fixedly provided with a top plate (14).

7. A paperboard creasing device for color printed packaging, according to claim 1, characterised in that: the lower end of the indentation table (1) is fixedly provided with a supporting leg (15), the side end of the servo motor (31) is fixedly provided with a supporting seat (32), and the supporting seat (32) is mounted at the side end of the indentation table (1) through screws.

8. A paperboard creasing device for color printed packaging, according to claim 1, characterised in that: and a connecting block (421) is fixedly arranged at the joint of the hydraulic rod (42) and the hydraulic cylinder (43).

9. A paperboard creasing device for color printed packaging, according to claim 1, characterised in that: a threaded rod (44) is installed on the inner wall of the indentation table (1) in a threaded mode, and the upper end of the threaded rod (44) is fixedly connected with the lower pressing plate (441).

10. A paperboard creasing device for color printed packaging, according to claim 1, characterised in that: the driving roller (35) rotates clockwise, and the driving roller (35) rotates synchronously.