Surface pattern printing device for packaging box
By introducing negative pressure lifting and pushing components into the packaging box printing device, the problem of automatic feeding was solved, and continuous automatic conveying of cardboard was realized, improving work efficiency and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-04-03
AI Technical Summary
Existing packaging box printing equipment cannot achieve automatic feeding, resulting in low work efficiency.
The continuous feeding mechanism includes a negative pressure lifting component and a pushing component. The negative pressure lifting component, consisting of a cylinder, a support beam, an integrated exhaust pump, a main air pipe, a strip support plate, branch air pipes, and a negative pressure suction cup, works in conjunction with the pushing component, which includes four support legs, a servo motor, a pushing conveyor belt, and an L-shaped pushing arm to lift and push the cardboard piece by piece into the printing press for printing.
It enables continuous automatic feeding of paperboard, improves work efficiency and feeding stability, and enhances the automation level of the printing equipment.
Smart Images

Figure CN224076498U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of printing equipment technology, specifically a surface pattern printing device for packaging boxes. Background Technology
[0002] Before leaving the factory, packaging boxes usually need to be printed with patterns. During the printing process, the packaging boxes are usually put into the printing machine in a plate shape. After printing, they are cut and folded to form a box structure. Currently, the stacked cardboard is usually fed into the printing machine one by one by hand. This method has low work efficiency and cannot achieve automatic feeding. Therefore, this application proposes a surface pattern printing device for packaging boxes to achieve automatic feeding and improve work efficiency. Utility Model Content
[0003] In view of the above situation and to overcome the defects of the prior art, this utility model provides a surface pattern printing device for packaging boxes, which effectively solves the problem that existing printing devices are not convenient for automatic feeding.
[0004] To achieve the above objectives, the present invention provides the following technical solution: a surface pattern printing device for packaging boxes, comprising a printing machine body, wherein a continuous feeding mechanism is provided at one end of the printing machine body, the continuous feeding mechanism being composed of a support frame, a hydraulic rod, a lifting support plate, a negative pressure lifting component, a pushing component, a feeding conveyor belt and a servo motor; the lifting support plate is located inside the support frame and connected to the support frame via the hydraulic rod; the negative pressure lifting component is connected to one end of the top of the support frame; the pushing component is connected to the top of the support frame; the feeding conveyor belt is connected to the other end of the support frame; the end of the feeding conveyor belt away from the support frame extends into the interior of the printing machine body; and the servo motor is fixedly connected to the front of the support frame and connected to the feeding conveyor belt.
[0005] The negative pressure lifting assembly consists of a cylinder, a support beam, an integrated suction and exhaust pump, a main air pipe, several strip support plates, several branch air pipes, and several negative pressure suction cups. The cylinder is fixedly connected to the middle position of one end of the support frame, the support beam is fixedly connected to the top of the cylinder, the integrated suction and exhaust pump is fixedly connected to the middle position of one side of the support beam, the main air pipe is located on one side of the top of the support beam and is connected to the integrated suction and exhaust pump, the strip support plates are fixedly connected to the other side of the support beam, the branch air pipes are fixedly connected to the top of the strip support plates and are connected to the main air pipe, and the negative pressure suction cups are fixedly connected to the bottom of one end of the branch air pipe.
[0006] The material pushing assembly consists of four support legs, a servo motor, a material pushing conveyor belt, several L-shaped material pushing arms and several L-shaped material pushing arms. The four support legs are fixedly connected to the top of the support frame. The servo motor is fixedly connected to the side of one of the support legs. The material pushing conveyor belt is connected between the four support legs and connected to the servo motor. The L-shaped material pushing arms are fixedly connected to the outer surface of the material pushing conveyor belt.
[0007] Preferably, the L-shaped pusher arm one and L-shaped pusher arm two are centrally symmetrical structures, and the L-shaped pusher arm one and L-shaped pusher arm two are offset from the negative pressure suction cup.
[0008] Preferably, an auxiliary support frame matching the feeding conveyor belt and servo motor is fixedly installed on the top of the support frame near the printing machine body.
[0009] Preferably, two limiting uprights are fixedly installed at one end of the top of the support frame, and the support beam is slidably sleeved on the limiting uprights.
[0010] Compared with the prior art, the beneficial effects of this utility model are:
[0011] (1) During operation, by setting up a negative pressure lifting assembly consisting of a cylinder, a support beam, an integrated pump for exhaust and desiccation, a main air pipe, several strip support plates, several branch air pipes and several negative pressure suction cups, the stacked cardboard can be lifted one by one. By setting up a pushing assembly consisting of four support legs, a servo motor, a pushing conveyor belt, several L-shaped pushing arms and several L-shaped pushing arms, the lifted cardboard can be pushed so that the cardboard enters the interior of the printing machine body to achieve printing. Through the cooperation of the negative pressure lifting assembly and the pushing assembly, continuous feeding can be achieved and work efficiency can be improved.
[0012] (2) By setting up hydraulic rods and lifting support plates, the paperboard to be fed can be lifted after each feeding, so as to cooperate with the negative pressure lifting component and the pushing component. By setting up feeding conveyor belt and servo motor, auxiliary feeding can be realized and feeding stability can be improved. By setting up limit poles, vertical limit can be realized for the support beam, improving the stability of the support beam. Attached Figure Description
[0013] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.
[0014] In the attached diagram:
[0015] Figure 1 This is a schematic diagram of the surface pattern printing device for packaging boxes according to the present invention;
[0016] Figure 2 This is a schematic diagram of the continuous feeding mechanism of this utility model;
[0017] Figure 3 This utility model Figure 2 A magnified view of a section at point A in the middle;
[0018] Figure 4 This is a schematic diagram of the pusher assembly structure of this utility model;
[0019] Figure 5 This is a schematic diagram of the negative pressure lifting component of this utility model;
[0020] Figure 6 This utility model Figure 5 A magnified view of a portion of the image;
[0021] In the diagram: 1. Printing machine body; 2. Continuous feeding mechanism; 3. Support frame; 4. Hydraulic rod; 5. Lifting support plate; 6. Negative pressure lifting assembly; 7. Pushing assembly; 8. Feeding conveyor belt; 9. Servo motor one; 10. Cylinder; 11. Support beam; 12. Integrated exhaust pump; 13. Main air pipe; 14. Strip support plate; 15. Branch air pipe; 16. Negative pressure suction cup; 17. Support leg; 18. Servo motor two; 19. Pushing conveyor belt; 20. L-shaped pushing arm one; 21. L-shaped pushing arm two; 22. Auxiliary support frame; 23. Limiting upright. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0023] Depend on Figures 1 to 6 The present invention discloses a surface pattern printing device for packaging boxes, comprising a printing machine body 1, a continuous feeding mechanism 2 provided at one end of the printing machine body 1, the continuous feeding mechanism 2 being composed of a support frame 3, a hydraulic rod 4, a lifting support plate 5, a negative pressure lifting component 6, a pushing component 7, a feeding conveyor belt 8 and a servo motor 9; the lifting support plate 5 being located inside the support frame 3 and connected to the support frame 3 via the hydraulic rod 4; the negative pressure lifting component 6 being connected to one end of the top of the support frame 3; the pushing component 7 being connected to the top of the support frame 3; the feeding conveyor belt 8 being connected to the other end of the support frame 3; the end of the feeding conveyor belt 8 away from the support frame 3 extending into the interior of the printing machine body 1; and the servo motor 9 being fixedly connected to the front of the support frame 3 and connected to the feeding conveyor belt 8.
[0024] In use, multiple cardboards are placed on top of the lifting support plate 5. The negative pressure lifting component 6 is activated to apply negative pressure to one side of the topmost cardboard and lift the side of the cardboard. At this time, the pushing component 7 rotates and contacts the bottom of the cardboard, moving the cardboard to the top of the feeding conveyor belt 8. The feeding conveyor belt 8 then transports the cardboard into the printing machine body 1. The cooperation between the negative pressure lifting component 6 and the pushing component 7 enables continuous feeding. After each feeding, the hydraulic rod 4 lifts the lifting support plate 5 by the height of one cardboard.
[0025] The negative pressure lifting assembly 6 consists of a cylinder 10, a support beam 11, an integrated suction and exhaust pump 12, a main air pipe 13, several strip support plates 14, several branch air pipes 15, and several negative pressure suction cups 16. The cylinder 10 is fixedly connected to the middle position of one end of the support frame 3. The support beam 11 is fixedly connected to the top of the cylinder 10. The integrated suction and exhaust pump 12 is fixedly connected to the middle position of one side of the support beam 11. The main air pipe 13 is located on one side of the top of the support beam 11 and is connected to the integrated suction and exhaust pump 12. The strip support plates 14 are fixedly connected to the other side of the support beam 11. The branch air pipes 15 are fixedly connected to the top of the strip support plates 14 and are connected to the main air pipe 13. The negative pressure suction cups 16 are fixedly connected to the bottom of one end of the branch air pipes 15.
[0026] When the negative pressure lifting component 6 is working, the cylinder 10 drives the support beam 11 to rise and fall, the integrated pump 12 for suction and exhaust realizes suction and exhaust, the main air pipe 13, the branch air pipe 15 and the negative pressure suction cup 16 can form a negative pressure effect when suctioning, thus enabling the cardboard to be suctioned by negative pressure, and the cardboard can be released when the cylinder 10 exhausts.
[0027] The pushing assembly 7 consists of four support legs 17, a second servo motor 18, a pushing conveyor belt 19, several L-shaped pushing arms 1 20 and several L-shaped pushing arms 21. The four support legs 17 are all fixedly connected to the top of the support frame 3. The second servo motor 18 is fixedly connected to the side of one of the support legs 17. The pushing conveyor belt 19 is connected between the four support legs 17 and connected to the second servo motor 18. The first L-shaped pushing arms 1 20 and the second L-shaped pushing arms 21 are all fixedly connected to the outer surface of the pushing conveyor belt 19.
[0028] When the feeding assembly 7 is working, the servo motor 218 drives the feeding conveyor belt 19 to rotate continuously, and the L-shaped feeding arm 120 and the L-shaped feeding arm 21 alternately push the cardboard.
[0029] L-shaped pusher arm 1 20 and L-shaped pusher arm 21 are centrally symmetrical structures. L-shaped pusher arm 1 20 and L-shaped pusher arm 21 are offset from negative pressure suction cup 16 to avoid collision.
[0030] An auxiliary support frame 22, which matches the feeding conveyor belt 8 and the servo motor 9, is fixedly installed on the top of the support frame 3 near the printing machine body 1, which can provide auxiliary support for the feeding conveyor belt 8 and the servo motor 9.
[0031] Two limiting rods 23 are fixedly installed at one end of the top of the support frame 3. The support beam 11 is slidably sleeved on the limiting rods 23, which can realize the vertical limiting of the support beam 11 and improve the stability of the support beam 11.
[0032] During operation, a negative pressure lifting assembly, consisting of a cylinder, a support beam, an integrated exhaust pump, a main air pipe, several strip support plates, several branch air pipes, and several negative pressure suction cups, can lift the stacked cardboard pieces one by one. A pushing assembly, consisting of four support legs, a second servo motor, a pushing conveyor belt, several first and second L-shaped pushing arms, can push the lifted individual cardboard pieces into the printing machine body for printing. The cooperation between the negative pressure lifting assembly and the pushing assembly enables continuous feeding and improves work efficiency. Hydraulic rods and lifting support plates can lift the cardboard pieces to be fed after each feeding, thus cooperating with the negative pressure lifting assembly and the pushing assembly. A feeding conveyor belt and a first servo motor enable auxiliary feeding and improve feeding stability. Limiting rods can vertically limit the support beam, improving its stability.
Claims
1. A surface pattern printing device for a carton, comprising a printing machine body (1), characterized in that: One end of the printing machine body (1) is provided with a continuous feeding mechanism (2), the continuous feeding mechanism (2) is composed of a support frame (3), a hydraulic rod (4), a lifting support plate (5), a negative pressure lifting assembly (6), a pushing assembly (7), a feeding conveyor belt (8) and a servo motor (9), the lifting support plate (5) is located in the inside of the support frame (3) and is connected with the support frame (3) through the hydraulic rod (4), the negative pressure lifting assembly (6) is connected to one end of the top of the support frame (3), the pushing assembly (7) is connected to the top end of the support frame (3), the feeding conveyor belt (8) is connected to the other end of the support frame (3), the end of the feeding conveyor belt (8) away from the support frame (3) extends to the inside of the printing machine body (1), the servo motor (9) is fixedly connected to the front surface of the support frame (3) and is connected with the feeding conveyor belt (8); The negative pressure lifting assembly (6) is composed of a cylinder (10), a support beam (11), an air pumping and exhausting integrated pump (12), a main air pipe (13), a plurality of strip-shaped support plates (14), a plurality of branch air pipes (15) and a plurality of negative pressure suction cups (16), the cylinder (10) is fixedly connected to the middle position of one end of the top of the support frame (3), the support beam (11) is fixedly connected to the top end of the cylinder (10), the air pumping and exhausting integrated pump (12) is fixedly connected to the middle position of one side of the support beam (11), the main air pipe (13) is located on one side of the top of the support beam (11) and is connected with the air pumping and exhausting integrated pump (12), the strip-shaped support plate (14) is fixedly connected to the other side of the support beam (11), the branch air pipe (15) is fixedly connected to the top end of the strip-shaped support plate (14) and is in communication with the main air pipe (13), and the negative pressure suction cup (16) is fixedly connected to the bottom of one end of the branch air pipe (15). The pushing assembly (7) is composed of four supporting legs (17), a servo motor (18), a pushing conveyor belt (19), a plurality of L-shaped pushing arms (20) and a plurality of L-shaped pushing arms (21), the four supporting legs (17) are all fixedly connected to the top end of the support frame (3), the servo motor (18) is fixedly connected to the side edge of one of the supporting legs (17), the pushing conveyor belt (19) is connected between the four supporting legs (17) and is connected with the servo motor (18), and the L-shaped pushing arm (20) and the L-shaped pushing arm (21) are both fixedly connected to the outer surface of the pushing conveyor belt (19).
2. The surface pattern printing apparatus for a packaging box according to claim 1, wherein: The L-shaped pushing arm (20) and the L-shaped pushing arm (21) are center-symmetric structures, and the L-shaped pushing arm (20) and the L-shaped pushing arm (21) are arranged in a staggered manner with the negative pressure suction cup (16).
3. The apparatus for printing a surface pattern on a carton of claim 1, wherein: The support frame (3) is fixedly provided with an auxiliary support frame (22) matched with the feeding conveyor belt (8) and the servo motor (9) on the top of one end close to the printing machine body (1).
4. The apparatus for printing a surface pattern on a carton of claim 1, wherein: Two limiting vertical rods (23) are fixedly arranged on one end of the top of the support frame (3), and the support beam (11) is slidably sleeved on the limiting vertical rods (23).