Packaging box color mark laser engraving and filling system

By designing a laser engraving and filling system for packaging boxes, the problem of insufficient wear resistance and service life of color markers in the prior art is solved, and laser engraving and filling effects with high accuracy and wear resistance are achieved.

CN222552465UActive Publication Date: 2025-03-04ROSE PLASTIC KUNSHAN
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Patent Information

Application Number
CN202421165560.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-03-04
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

The existing packaging box color marking laser engraving and filling systems adopt direct printing, which may affect the wear resistance and service life of the mark.

Method used

A laser engraving and filling system for color markings of packaging boxes is designed, and marking patterns of corresponding depth are realized through laser engraving on the surface of the packaging box, and color pigments flush with the surface of the packaging box are simultaneously filled in the pattern. The system includes a workbench, a spacing adjustment mechanism, a PLC controller, a laser pen, a laser nozzle and a pigment silo, and the automatic operation of laser engraving and pigment filling is achieved through the PLC controller.

Benefits of technology

It effectively avoids wear of color marks, improves the accuracy of laser engraving and filling of color marks in the packaging box, and extends the service life of the marks.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a color mark laser engraving and filling system for a packaging box. The color mark laser engraving and filling system comprises a workbench and a distance adjusting mechanism. The upper end of the workbench is slidably connected with a storage plate, a cavity is formed in the storage plate, a sliding opening is formed in the upper end of the cavity, the left end and the right end of the sliding opening are slidably connected with clamping plates, the upper end of the workbench is fixedly connected with a support, the middle of the support is slidably connected with a sliding frame, and the front end and the rear end of the sliding frame are fixedly connected with guide columns. The middles of the guide columns are slidably connected with sliding seats, and the opposite outer surfaces of the sliding seats are fixedly connected with mounting sleeves. According to the laser engraving and filling device, marking lines with corresponding depths can be engraved at formulated positions on the surface of the packaging box through laser, and color pigments flush with the surface of the packaging box are synchronously filled in the lines, so that the color marks are effectively prevented from being abraded, and the laser engraving and filling accuracy of the color marks of the packaging box is effectively improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic packaging box production, in particular to a packaging box color marking laser engraving and filling system. Background Art

[0002] Laser engraving is based on CNC technology and uses laser as the processing medium. The physical transformation of the processing material into instantaneous melting and vaporization under the irradiation of laser engraving can achieve the purpose of laser engraving. Laser engraving is to use laser technology to write words on objects. The words engraved by this technology have no scratches, the surface of the object is still smooth, and the handwriting will not wear out. Laser engraving is often used for packaging box markings. Some existing packaging box color marking laser engraving and filling systems use direct printing to print packaging box color markings; there are some problems now, such as the use of direct printing, which may affect the wear resistance of the packaging box color markings, and thus may affect the service life of the packaging box color markings. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a packaging box color mark laser engraving and filling system, which can realize laser engraving of marking patterns of corresponding depth at specified positions on the surface of the packaging box, and simultaneously fill the patterns with colored pigments that are flush with the surface of the packaging box, effectively avoiding color mark wear, effectively improving the accuracy of packaging box color mark laser engraving and filling, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a packaging box color marking laser engraving and filling system, including a workbench and a spacing adjustment mechanism;

[0005] The upper end of the workbench is slidably connected to a storage plate, a cavity is arranged inside the storage plate, a sliding mouth is arranged at the upper end of the cavity, and clamps are slidably connected to the left and right ends of the sliding mouth, the upper end of the workbench is fixedly connected to a bracket, the middle part of the bracket is slidably connected to a sliding frame, the front and rear ends of the sliding frame are fixedly connected to guide columns, the middle part of the guide columns is slidably connected to a sliding seat, the opposite outer surfaces of the sliding seat are fixedly connected to mounting sleeves, a laser color pen is arranged inside the front mounting sleeve, a laser nozzle is arranged inside the rear mounting sleeve, a working chamber is arranged at the lower end of the workbench, a laser generator is arranged inside the working chamber, and the input ends of the laser color pen and the laser nozzle are electrically connected to the output end of the laser generator;

[0006] The spacing adjustment mechanism is arranged inside the cavity, and the lower ends of the clamping plates are fixedly connected to the upper ends of the spacing adjustment mechanism;

[0007] Wherein: it also includes a PLC controller, which is arranged at the rear end of the left surface of the workbench, the input end of the laser generator is electrically connected to the output end of the PLC controller, and the input end of the PLC controller is electrically connected to the external power supply.

[0008] Furthermore, the spacing adjustment mechanism includes a knob, a two-way screw, a driving seat, a connecting rod and a connecting shaft. The two-way screw is rotatably connected to the inside of the cavity, the driving seat is rotatably connected to the front and rear ends of the two-way screw respectively, the connecting shafts are fixedly connected to the lower ends of the splints respectively, the middle parts of the connecting shafts are rotatably connected to the connecting rods, the ends of the connecting rods close to the center of the storage plate are rotatably connected to the laterally adjacent driving seats, and the knob is fixedly connected to the front end of the two-way screw to achieve the spacing adjustment of the splints, thereby achieving stable clamping of the packaging box.

[0009] Furthermore, the left and right ends of the bracket are rotatably connected with screws, the middle parts of the screws are threadedly connected to the middle parts of the sliding frame, the upper ends of the screws are fixedly connected with driven bevel gears, the upper end of the bracket is rotatably connected with a rotating shaft, the left and right ends of the rotating shaft are fixedly connected with driving bevel gears, the driving bevel gears are meshed with the vertically adjacent driven bevel gears, a motor is provided at the right end of the bracket, the output shaft of the motor is fixedly connected to the right end of the rotating shaft, the input end of the motor is electrically connected to the output end of the PLC controller, so as to realize the vertical movement of the sliding frame, and then realize the vertical movement of the laser nozzle and the laser colored pen.

[0010] Furthermore, a paint bin is provided at the upper end of the bracket, and an infusion pump is provided on the front inner wall of the paint bin. The liquid outlet of the infusion pump is connected to the feed port of the laser color pen through a conduit, and the input end of the infusion pump is electrically connected to the output end of the PLC controller to provide driving force for filling the color marking patterns on the packaging box.

[0011] Furthermore, the right end of the sliding frame is provided with symmetrically distributed telescopic cylinders, the piston rods of the telescopic cylinders are fixedly connected to the right end of the laterally adjacent sliding seat, the telescopic cylinders are connected to the air outlet of the external air pump through the air pipe, and the input end of the external air pump is electrically connected to the output end of the PLC controller to realize the lateral movement of the laser nozzle and the laser colored pen.

[0012] Furthermore, the upper end of the workbench is fixedly connected with symmetrically distributed sliding rods, the middle parts of the sliding rods are slidably connected with the middle parts of the storage plate, and an electric push rod is provided at the rear end of the workbench. The telescopic end of the electric push rod is fixedly connected with the rear end of the storage plate, and the input end of the electric push rod is electrically connected with the output end of the PLC controller, so as to provide driving force and guiding effect for the longitudinal movement of the storage plate.

[0013] Furthermore, the lower end of the workbench is fixedly connected with evenly distributed legs, and the lower ends of the legs are provided with evenly distributed mounting holes, which effectively ensures that the color marking laser engraving and filling of the packaging box are carried out smoothly.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. A person turns the knob, which drives the bidirectional screw to rotate. The bidirectional screw causes the drive seat to move away from the center of the storage plate. The movement of the drive seat drives the end of the laterally adjacent connecting rod close to the drive seat to move away from the center of the storage plate, so that the end of the connecting rod away from the center of the storage plate pulls the clamping plate through the laterally adjacent connecting shaft, so that the clamping plate moves inside the sliding port toward the center of the storage plate, thereby clamping the packaging box, and stably clamping packaging boxes of different specifications, thereby effectively improving the accuracy of laser engraving and filling of color marks on packaging boxes;

[0016] 2. Personnel use the PLC controller to realize the operation of the motor. The output shaft of the motor rotates to drive the rotating shaft. The rotating shaft rotates to drive the two driving bevel gears on the left and right. The driving bevel gears rotate to drive the vertically adjacent driven bevel gears. The driven bevel gears rotate to drive the vertically adjacent screws, thereby making the sliding frame move vertically. The vertical movement of the sliding frame drives the laser pen and the laser nozzle to move vertically. When the laser pen and the laser nozzle move to the required height, the PLC controller realizes the operation of the electric push rod. The telescopic end of the electric push rod extends to push the storage plate, so that the storage plate moves longitudinally under the guidance of the sliding rod, thereby making the packaging box move longitudinally. At the same time, the PLC controller controls the laser generator to make the laser spray The laser is emitted from the nozzle, and at the same time, the PLC controller controls the external air pump to extend and retract the piston rod of the telescopic cylinder at the rear end, thereby causing the sliding seat at the rear end to move laterally, and then causing the laser nozzle to move laterally to perform laser engraving of the color mark on the packaging box. Then the PLC controller realizes the operation of the infusion pump, which pumps the pigment to the laser pen. With the assistance of the telescopic cylinder adjacent to the laser pen, the laser pen fills the color mark after laser engraving, thereby completing the laser engraving and filling of the color mark on the packaging box. It can realize laser engraving of the corresponding depth of the mark pattern at the specified position on the surface of the packaging box, and simultaneously fill the pattern with color pigment flush with the surface of the packaging box, thereby effectively avoiding the wear of the color mark. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 It is a schematic cross-sectional structural diagram of the front side of the utility model;

[0019] Figure 3 It is a cross-sectional structural schematic diagram of the rear side of the utility model;

[0020] Figure 4 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0021] In the figure: 1 workbench, 2 storage plate, 3 slide bar, 4 spacing adjustment mechanism, 41 knob, 42 bidirectional screw rod, 43 driving seat, 44 connecting rod, 45 connecting shaft, 5 clamp plate, 6 bracket, 7 slide rack, 8 rotating shaft, 9 driving bevel gear, 10 driven bevel gear, 11 motor, 12 screw rod, 13 telescopic cylinder, 14 slide seat, 15 laser color pen, 16 laser nozzle, 17 paint bin, 18 infusion pump, 19 PLC controller, 20 leg, 21 electric push rod, 22 laser generator. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The present embodiment provides a packaging box color marking laser engraving and filling system, including a workbench 1 and a spacing adjustment mechanism 4; a storage plate 2 is slidably connected to the upper end of the workbench 1, a cavity 23 is arranged inside the storage plate 2, a sliding opening is arranged at the upper end of the cavity 23, and clamping plates 5 are slidably connected to the left and right ends of the sliding opening; a bracket 6 is fixedly connected to the upper end of the workbench 1, a sliding frame 7 is slidably connected to the middle of the bracket 6, and guide columns are fixedly connected to the front and rear ends of the sliding frame 7, and a sliding seat 1 is slidably connected to the middle of the guide column. 4. The opposite outer surfaces of the sliding seat 14 are fixedly connected with mounting sleeves, a laser color pen 15 is arranged inside the front mounting sleeve, a laser nozzle 16 is arranged inside the rear mounting sleeve, a working chamber is arranged at the lower end of the workbench 1, a laser generator 22 is arranged inside the working chamber, the input ends of the laser color pen 15 and the laser nozzle 16 are electrically connected to the output end of the laser generator 22, and the lower end of the workbench 1 is fixedly connected with evenly distributed legs 20, and the lower ends of the legs 20 are provided with evenly distributed mounting holes.

[0024] Among them, the spacing adjustment mechanism 4 is arranged inside the cavity 23, and the lower end of the splint 5 is fixedly connected to the upper end of the spacing adjustment mechanism 4. The spacing adjustment mechanism 4 includes a knob 41, a bidirectional screw rod 42, a drive seat 43, a connecting rod 44 and a connecting shaft 45. The bidirectional screw rod 42 is rotatably connected to the inside of the cavity 23, and the drive seat 43 is rotatably connected to the front and rear ends of the bidirectional screw rod 42 respectively. The connecting shaft 45 is fixedly connected to the lower end of the splint 5, and the middle part of the connecting shaft 45 is rotatably connected with the connecting rod 44, and the end of the connecting rod 44 close to the center of the storage plate 2 is rotatably connected to the drive seat 43 adjacent to the horizontal direction. The knob 41 is fixedly connected to the front end of the bidirectional screw rod 42. When the knob 41 is turned, the rotation of the knob 41 drives the bidirectional screw rod 42 to rotate. The rotation of the bidirectional screw rod 42 causes the driving seat 43 to move in a direction away from the center of the storage plate 2. The movement of the driving seat 43 drives the end of the laterally adjacent connecting rod 44 close to the driving seat 43 to move in a direction away from the center of the storage plate 2, so that the end of the connecting rod 44 away from the center of the storage plate 2 pulls the clamping plate 5 through the laterally adjacent connecting shaft 45, so that the clamping plate 5 moves inside the sliding mouth in a direction close to the center of the storage plate 2, thereby clamping the packaging box.

[0025] Wherein: it also includes a PLC controller 19, which is arranged at the rear end of the left surface of the workbench 1, the input end of the laser generator 22 is electrically connected to the output end of the PLC controller 19, and the input end of the PLC controller 19 is electrically connected to an external power supply.

[0026] Wherein: the left and right ends of the bracket 6 are rotatably connected with a screw rod 12, the middle part of the screw rod 12 is threadedly connected with the middle part of the sliding frame 7, the upper end of the screw rod 12 is fixedly connected with a driven bevel gear 10, the upper end of the bracket 6 is rotatably connected with a rotating shaft 8, the left and right ends of the rotating shaft 8 are fixedly connected with a driving bevel gear 9, and the driving bevel gear 9 is meshed and connected with the vertically adjacent driven bevel gear 10, and the right end of the bracket 6 is provided with a motor 11, the output shaft of the motor 11 is fixedly connected with the right end of the rotating shaft 8, and the input end of the motor 11 is electrically connected with the output end of the PLC controller 19. When the motor 11 runs, the output shaft of the motor 11 rotates to drive the rotating shaft 8 to rotate, and the rotation of the rotating shaft 8 drives the left and right driving bevel gears 9 to rotate, and the rotation of the driving bevel gear 9 drives the vertically adjacent driven bevel gears 10 to rotate, and the rotation of the driven bevel gear 10 drives the vertically adjacent screw rods 12 to rotate, thereby making the sliding frame 7 move vertically, and the vertical movement of the sliding frame 7 drives the laser color pen 15 and the laser nozzle 16 to move vertically.

[0027] Wherein: a pigment bin 17 is arranged at the upper end of the bracket 6, an infusion pump 18 is arranged on the front inner wall of the pigment bin 17, the liquid outlet of the infusion pump 18 is connected with the feed port of the laser color pen 16 through a conduit, and the input end of the infusion pump 18 is electrically connected with the output end of the PLC controller 19.

[0028] Among them: the right end of the sliding frame 7 is provided with symmetrically distributed telescopic cylinders 13, the piston rods of the telescopic cylinders 13 are fixedly connected to the right ends of the laterally adjacent sliding seats 14, the telescopic cylinders 13 are connected to the air outlet of the external air pump through the air pipe, and the input end of the external air pump is electrically connected to the output end of the PLC controller 19.

[0029] Among them: the upper end of the workbench 1 is fixedly connected with symmetrically distributed sliding rods 3, the middle parts of the sliding rods 3 are slidably connected with the middle parts of the storage plate 2, and the rear end of the workbench 1 is provided with an electric push rod 21, the telescopic end of the electric push rod 21 is fixedly connected with the rear end of the storage plate 2, and the input end of the electric push rod 21 is electrically connected with the output end of the PLC controller 19. When the electric push rod 21 runs, the telescopic end of the electric push rod 21 extends and pushes the storage plate 2, so that the storage plate 2 moves longitudinally under the guidance of the sliding rod 3, thereby causing the packaging box to move longitudinally, and at the same time, the PLC controller 19 controls the laser generator 22 to make The laser nozzle 16 emits laser, and at the same time the PLC controller 19 controls the external air pump to extend and retract the piston rod of the telescopic cylinder 13 at the rear end, thereby causing the sliding seat 14 at the rear end to move laterally, thereby causing the laser nozzle 16 to move laterally, and laser engraving the color mark of the packaging box is performed. Then the PLC controller 19 realizes the operation of the infusion pump 18, and the infusion pump 18 pumps the pigment to the laser pen 15. With the assistance of the telescopic cylinder 13 adjacent to the laser pen 15, the laser pen 15 fills the color mark after laser engraving with color, thereby completing the laser engraving and filling of the color mark of the packaging box.

[0030] The working principle of the utility model is as follows:

[0031] When working, the personnel first use bolts to stably connect the evenly distributed mounting holes at the lower ends of the legs 20 with the threaded holes in the horizontal working area, thereby achieving stable installation of the workbench 1, the bracket 6 and other mechanisms. After the installation is stable, the personnel place the packaging box to be laser engraved and filled on the upper end of the storage plate 2, and then turn the knob 41. The rotation of the knob 41 drives the two-way screw rod 42 to rotate. The rotation of the two-way screw rod 42 causes the drive seat 43 to move in a direction away from the center of the storage plate 2. The movement of the drive seat 43 drives the end of the laterally adjacent connecting rod 44 close to the driving seat 43 to move in a direction away from the center of the storage plate 2, so that the end of the connecting rod 44 away from the center of the storage plate 2 pulls the clamping plate 5 through the laterally adjacent connecting shaft 45, so that the clamping plate 5 moves in the direction close to the center of the storage plate 2 inside the sliding mouth, thereby achieving clamping of the packaging box.

[0032] After the clamping is stable, the personnel stops turning the knob, and then the personnel realizes the operation of the laser generator 22 through the PLC controller 19, and sets the parameters of the laser emitted by the laser nozzle 16 and the laser color pen 15, and then the PLC controller 19 realizes the operation of the motor 11, and the output shaft of the motor 11 rotates to drive the rotating shaft 8 to rotate, and the rotation of the rotating shaft 8 drives the left and right driving bevel gears 9 to rotate, and the rotation of the driving bevel gears 9 drives the vertically adjacent driven bevel gears 10 to rotate, and the rotation of the driven bevel gears 10 drives the vertically adjacent screws 12 to rotate, thereby making the sliding frame 7 move vertically, and the vertical movement of the sliding frame 7 drives the laser color pen 15 and the laser nozzle 16 to move vertically, and when the laser color pen 15 and the laser nozzle 16 move to the required height, the PLC controller 19 realizes the operation of the electric push rod 21, and the electric push rod 2 The telescopic end of 1 extends to push the storage plate 2, so that the storage plate 2 moves longitudinally under the guidance of the slide bar 3, thereby causing the packaging box to move longitudinally. At the same time, the PLC controller 19 controls the laser generator 22 to cause the laser nozzle 16 to emit laser. At the same time, the PLC controller 19 controls the external air pump to cause the piston rod of the telescopic cylinder 13 at the rear end to be telescopic, thereby causing the sliding seat 14 at the rear end to move laterally, thereby causing the laser nozzle 16 to move laterally, and laser engraving of the color mark of the packaging box is performed. Then, the PLC controller 19 realizes the operation of the infusion pump 18, and the infusion pump 18 pumps the pigment to the laser pen 15. With the assistance of the telescopic cylinder 13 adjacent to the laser pen 15 in the transverse direction, the laser pen 15 fills the color mark after laser engraving with color, thereby completing the laser engraving and filling of the color mark of the packaging box.

[0033] It is worth noting that the motor 11 disclosed in the above embodiment can use a 5IK120A-AF motor, the infusion pump 18 can use an SB-8 electric liquid pump, the PLC controller 19 can use a DVP48EH programmable controller, the electric push rod 21 can use a JC35W3 electric telescopic rod, and the laser generator 22 can use a ZX-MJHJ-1000W laser. The PLC controller 19 controls the motor 11, the external air pump, the infusion pump, the electric push rod 21 and the laser generator 22, all of which adopt the methods commonly used in the prior art.

[0034] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A packaging box color marking laser engraving and filling system, characterized by: It comprises a workbench (1) and a spacing adjustment mechanism (4); The upper end of the workbench (1) is slidably connected to a storage plate (2), a cavity (23) is arranged inside the storage plate (2), a sliding opening is arranged at the upper end of the cavity (23), and clamping plates (5) are slidably connected to the left and right ends of the sliding opening; the upper end of the workbench (1) is fixedly connected to a bracket (6), a sliding frame (7) is slidably connected to the middle of the bracket (6), the front and rear ends of the sliding frame (7) are fixedly connected to guide columns, the middle of the guide columns are slidably connected to a sliding seat (14), and the opposite outer surfaces of the sliding seat (14) are fixedly connected to mounting sleeves, a laser color pen (15) is arranged inside the front mounting sleeve, and a laser nozzle (16) is arranged inside the rear mounting sleeve; a working chamber is arranged at the lower end of the workbench (1), a laser generator (22) is arranged inside the working chamber, and the input ends of the laser color pen (15) and the laser nozzle (16) are electrically connected to the output end of the laser generator (22); The spacing adjustment mechanism (4) is arranged inside the cavity (23), and the lower end of the clamping plate (5) is fixedly connected to the upper end of the spacing adjustment mechanism (4); The invention further comprises a PLC controller (19), wherein the PLC controller (19) is arranged at the rear end of the left surface of the workbench (1), the input end of the laser generator (22) is electrically connected to the output end of the PLC controller (19), and the input end of the PLC controller (19) is electrically connected to an external power supply.

2. A packaging box color marking laser engraving and filling system according to claim 1, characterized in that: The spacing adjustment mechanism (4) comprises a knob (41), a bidirectional screw rod (42), a drive seat (43), a connecting rod (44) and a connecting shaft (45); the bidirectional screw rod (42) is rotatably connected to the inside of the cavity (23); the drive seat (43) is rotatably connected to the front and rear ends of the bidirectional screw rod (42); the connecting shaft (45) is fixedly connected to the lower end of the clamping plate (5); the middle part of the connecting shaft (45) is rotatably connected to the connecting rod (44); one end of the connecting rod (44) close to the center of the storage plate (2) is rotatably connected to the drive seat (43) adjacent to the storage plate (2); and the knob (41) is fixedly connected to the front end of the bidirectional screw rod (42).

3. A packaging box color marking laser engraving and filling system according to claim 1, characterized in that: The left and right ends of the bracket (6) are rotatably connected to screw rods (12), the middle part of the screw rods (12) is threadedly connected to the middle part of the sliding frame (7), the upper end of the screw rods (12) is fixedly connected to a driven bevel gear (10), the upper end of the bracket (6) is rotatably connected to a rotating shaft (8), the left and right ends of the rotating shaft (8) are fixedly connected to driving bevel gears (9), the driving bevel gears (9) are meshedly connected to the vertically adjacent driven bevel gears (10), the right end of the bracket (6) is provided with a motor (11), the output shaft of the motor (11) is fixedly connected to the right end of the rotating shaft (8), and the input end of the motor (11) is electrically connected to the output end of the PLC controller (19).

4. A packaging box color marking laser engraving and filling system according to claim 1, characterized in that: A pigment bin (17) is disposed at the upper end of the bracket (6), an infusion pump (18) is disposed on the front inner wall of the pigment bin (17), a liquid outlet of the infusion pump (18) is connected to a feed port of the laser color pen (15) via a conduit, and an input end of the infusion pump (18) is electrically connected to an output end of a PLC controller (19).

5. A packaging box color marking laser engraving and filling system according to claim 1, characterized in that: The right end of the sliding frame (7) is provided with symmetrically distributed telescopic cylinders (13), the piston rods of the telescopic cylinders (13) are fixedly connected to the right ends of the laterally adjacent sliding seats (14), the telescopic cylinders (13) are connected to the air outlet of the external air pump through the air pipe, and the input end of the external air pump is electrically connected to the output end of the PLC controller (19).

6. A packaging box color marking laser engraving and filling system according to claim 1, characterized in that: The upper end of the workbench (1) is fixedly connected to symmetrically distributed sliding rods (3), the middle parts of the sliding rods (3) are slidably connected to the middle parts of the storage plate (2), and the rear end of the workbench (1) is provided with an electric push rod (21), the telescopic end of the electric push rod (21) is fixedly connected to the rear end of the storage plate (2), and the input end of the electric push rod (21) is electrically connected to the output end of the PLC controller (19).

7. A packaging box color marking laser engraving and filling system according to claim 1, characterized in that: The lower end of the workbench (1) is fixedly connected with evenly distributed supporting legs (20), and the lower ends of the supporting legs (20) are all provided with evenly distributed mounting holes.