An energy-saving packaging box printing machine

Abstract

This utility model discloses an energy-saving packaging box printing machine, belonging to the field of printing machine design and development. It includes a printing machine body, a printing channel running horizontally through the printing machine body, a conveyor frame fixedly installed on both sides of the printing machine body at the printing channel position, and a conveyor belt installed on the conveyor frame for transporting printed items. An impression cylinder is rotatably installed inside the printing machine body at the printing channel position. Rubber rollers for carrying ink are rotatably connected to the top and bottom of the impression cylinder inside the printing machine body. The conveyor frame and conveyor belt are configured in two sets, with the conveying surface of each set tangent to the impression cylinder. The two sets of conveyor belts transport in opposite directions. By setting up multiple production lines, the output of packaging box printing can be increased under the same operating mode, thereby reducing the energy consumption of printing a single packaging box.

Description

Technical Field

[0001] This utility model relates to the field of printing press design and development technology, specifically an energy-saving packaging box printing press. Background Technology

[0002] Packaging boxes, as the name suggests, are boxes used to package products. They can be classified by material, such as cardboard boxes, tin boxes, wooden boxes, cloth boxes, leather boxes, acrylic boxes, corrugated boxes, PVC boxes, etc., or by product name. They are now widely used in industries such as electronics, food, beverages, wine, tea, cigarettes, pharmaceuticals, health products, cosmetics, small appliances, clothing, toys, and sporting goods, as well as in product packaging and related industries. It is an indispensable industry. Today, the most commonly used packaging boxes are still paper packaging boxes. When selling to different customers, different patterns and contents are usually printed on the surface of the packaging box.

[0003] Packaging printing, publication printing, and commercial printing typically employ rotary printing. The printing cylinder rotates, and the image portion of its surface absorbs ink. This ink then comes into contact with a rubber roller, and pressure transfers the ink onto the rubber roller. The rubber roller then contacts an impression cylinder, and under the pressure of the impression cylinder, the ink on the rubber roller is transferred onto the paper, thus completing one printing cycle. A single rotary printing press generally requires one production line. However, packaging box printing usually involves simple designs; many boxes, especially poorly manufactured cartons, only have trademarks printed on them. The requirements for printing pressure and other precision factors are not high. Setting up only one production line in such cases would inevitably lead to a waste of resources.

[0004] Therefore, this utility model provides an energy-saving packaging box printing machine to solve the above problems. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] This utility model provides an energy-saving packaging box printing machine, which aims to solve the problems mentioned in the background art. Existing rotary printing machines generally set up one production line, while packaging box printing usually has simple patterns. Many packaging boxes, especially crudely made cartons, only have trademarks printed on them. The requirements for precision factors such as printing force are not high. If only one production line is set up, it will inevitably lead to waste of resources.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: an energy-saving packaging box printing machine, comprising a printing machine body, a printing channel running horizontally through the printing machine body, a conveyor frame fixedly installed on both sides of the printing machine body at the printing channel position, and a conveyor belt installed on the conveyor frame for transporting printed objects. An impression cylinder is rotatably installed inside the printing machine body at the printing channel position. Rubber rollers for carrying ink are rotatably connected to the top and bottom of the impression cylinder inside the printing machine body. The conveyor frame and conveyor belt are configured in two sets, with the conveying surface of each set tangent to the impression cylinder. The two sets of conveyor belts transport in opposite directions. An auxiliary roller is rotatably connected to the upper conveyor belt position inside the printing channel. Two auxiliary rollers are respectively installed at the entrance and exit of the printing channel. By setting up multiple production lines, the output of packaging box printing can be increased under the same operating mode, thereby reducing the energy consumption of printing a single packaging box.

[0009] Preferably, the upper conveyor frame is fixedly mounted on top of the lower conveyor frame.

[0010] Preferably, side guardrails are provided on both sides of the conveyor belt on the conveyor frame. The side guardrails are located within the range of the imprinting roller, and the guardrails prevent the packaging box from shifting during transportation.

[0011] Preferably, the conveyor belt is provided with push bars arranged in an array along the transmission direction. The push bars can push the packaging box to move and prevent the packaging box from slipping between the packaging box and the conveyor belt.

[0012] Preferably, an adjustment mechanism is provided on the conveyor frame near the printing channel. The adjustment mechanism includes a housing with both ends fixedly connected to the conveyor frame, a lifting frame slidably connected to the housing in the longitudinal direction, and a threaded rod threadedly connected to the top of the housing. One end of the threaded rod passes through the top of the housing and is rotatably connected to the lifting frame. By rotating the threaded rod, the lifting frame can be moved up and down inside the housing to adjust its position. The lifting frame is adjusted to a position above the packaging box and close to the packaging box, which can prevent debris from falling onto the packaging box being transported to the main body of the printing machine.

[0013] Preferably, the lifting frame has rollers rotatably mounted at both ends, and a transmission belt is fitted on the rollers. A motor is fixedly installed on the top of the lifting frame. The roller near the motor passes through the lifting frame and is connected to the output end of the motor. The outer shell has a notch to accommodate the motor. A specially designed belt on the transmission belt contacts the packaging box, dragging the packaging box to one side of the conveyor belt and into contact with the side guardrail, thus completing the positioning of the packaging box before printing.

[0014] Preferably, the transmission belt is fitted with a leather sleeve, the outer diameter of which gradually increases toward the main body of the printing machine. One end of the outer diameter of the leather sleeve is smaller to facilitate the packaging box entering the adjustment mechanism, while the other end has a larger outer diameter to ensure that the leather sleeve contacts the packaging box.

[0015] (III) Beneficial Effects

[0016] This packaging box printing machine features a conveyor frame at the printing channel, with a conveyor belt on the frame for transporting printed items. The upper conveyor frame is fixedly mounted on top of the lower conveyor frame. By setting up multiple production lines, this packaging box printing machine can increase the output of packaging boxes under the same operating mode, thereby reducing the energy consumption of printing a single packaging box.

[0017] The packaging box printing machine is equipped with auxiliary rollers. After the packaging box leaves the conveyor belt, it first moves between the two auxiliary rollers. The auxiliary rollers lift the packaging box to prevent it from contacting the impression roller at a large angle. The auxiliary rollers can also fix the packaging box after one end moves into the impression roller to prevent the tail of the packaging box from bending during the printing process.

[0018] This packaging box printing machine is equipped with a lifting frame. By rotating the threaded rod, the lifting frame can be moved up and down inside the outer shell to adjust its position. When the lifting frame is adjusted to a position above the packaging box and close to the packaging box, it can prevent debris from falling onto the packaging box that is being transported to the main body of the printing machine. Attached Figure Description

[0019] Figure 1 This is an overall elevation view of an energy-saving packaging box printing machine;

[0020] Figure 2 This is a schematic cross-sectional view of the main body of an energy-saving packaging box printing machine;

[0021] Figure 3 This is a schematic diagram of the adjustment mechanism of an energy-saving packaging box printing machine;

[0022] Figure 4 This is a cross-sectional view of the adjustment mechanism of an energy-saving packaging box printing machine;

[0023] Figure 5 A side sectional view of the adjustment mechanism of an energy-saving packaging box printing machine;

[0024] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0025] In the diagram: 1. Printing press body; 11. Printing channel; 12. Impression cylinder; 13. Rubber cylinder; 14. Auxiliary cylinder; 2. Conveyor frame; 21. Conveyor belt; 22. Side guardrail; 23. Push bar; 3. Adjustment mechanism; 31. Housing; 311. Notch; 32. Lifting frame; 33. Roller; 34. Drive belt; 341. Sheath; 35. Threaded rod; 36. Motor. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] This utility model provides an energy-saving packaging box printing machine, with reference to... Figures 1 to 2 The printing press includes a main body 1, a printing channel 11 running horizontally through the main body 1, a conveyor frame 2 fixedly installed on both sides of the main body 1 at the position of the printing channel 11, and a conveyor belt 21 installed on the conveyor frame 2 for transporting printed objects. An impression cylinder 12 is rotatably installed inside the main body 1 at the position of the printing channel 11. Rubber rollers 13 for carrying ink are rotatably connected to the top and bottom of the impression cylinder 12 inside the main body 1. The conveyor frame 2 and the conveyor belt 21 are configured as two sets. The conveying surface of each set of conveyor belts 21 is tangent to the impression cylinder 12. The two sets of conveyor belts 21 transport in opposite directions. An auxiliary roller 14 is rotatably connected to the upper conveyor belt 21 inside the printing channel 11. Two auxiliary rollers 14 are set as a group and are respectively installed at the entrance and exit of the printing channel 11.

[0028] Furthermore, refer to Figures 1 to 2 The upper conveyor 2 is fixedly installed on top of the lower conveyor 2.

[0029] Furthermore, refer to Figures 1 to 2 Side guardrails 22 are provided on both sides of the conveyor belt 21 on the conveyor frame 2, and the side guardrails 22 are located within the area of ​​the impression cylinder 12.

[0030] It should be noted that, referring to Figures 1 to 2 Push bars 23 are arrayed along the transmission direction on the conveyor belt 21.

[0031] Specifically, this packaging box printing machine can increase the output of packaging box printing under the same operating mode by setting up multiple production lines, thereby reducing the energy consumption of printing a single packaging box. When the packaging box printing machine starts working, the impression cylinder 12 and the rubber cylinder 13 rotate under the action of the drive mechanism inside the printing machine body 1. The conveyor belt 21 on the conveyor frame 2 transports the packaging boxes to be printed toward the printing channel 11. The side guardrails 22 on the conveyor belt 21 can prevent the packaging boxes from shifting during transportation, and the push bar 23 can push the packaging boxes to move to prevent slippage between the packaging boxes and the conveyor belt 21. The packaging boxes on the upper conveyor belt 21... As the box leaves the conveyor belt 21 and moves toward the impression cylinder 12, it may bend downwards due to its own weight and collide directly with the impression cylinder 12, causing damage to the packaging box. The auxiliary roller 14 can act as a bridge between the conveyor belt 21 and the impression cylinder 12. After the packaging box leaves the conveyor belt 21, it first moves between the two auxiliary rollers 14. The auxiliary rollers 14 lift the packaging box to prevent it from contacting the impression cylinder 12 at a large angle. The auxiliary rollers 14 can also fix the packaging box after one end moves into the impression cylinder 12 to prevent the tail of the packaging box from bending during the impression process.

[0032] Furthermore, refer to Figures 3 to 6 An adjustment mechanism 3 is provided on the conveyor frame 2 near the printing channel 11. The adjustment mechanism 3 includes a housing 31 with both ends fixedly connected to the conveyor frame 2, a lifting frame 32 that is longitudinally slidably connected inside the housing 31, and a threaded rod 35 that is threadedly connected to the top of the housing 31. One end of the threaded rod 35 passes through the top of the housing 31 and is rotatably connected to the lifting frame 32.

[0033] Furthermore, refer to Figures 3 to 6 The lifting frame 32 has rollers 33 rotatably mounted at both ends, and a transmission belt 34 is fitted on the rollers 33. A motor 36 is fixedly installed on the top of the lifting frame 32. The roller 33 near the motor 36 passes through the lifting frame 32 and is connected to the output end of the motor 36. A notch 311 is provided on the outer shell 31 to accommodate the motor 36.

[0034] It should be noted that, referring to Figures 3 to 6 A leather sleeve 341 is fitted on the transmission belt 34, and the outer diameter of the leather sleeve 341 gradually increases in the direction of the printing machine body 1.

[0035] Specifically, by rotating the threaded rod 35, the lifting frame 32 can be moved up and down within the housing 31 to adjust its position. The lifting frame 32 is adjusted to a position above the packaging box and close to the packaging box, which can prevent debris from falling onto the packaging box during transport to the printing press body 1. If these debris enter the impression cylinder 12 through the packaging box, they will damage the impression cylinder 12 and the rubber cylinder 13. The motor 36 drives the roller shaft 33 at one end to rotate, which in turn drives the transmission belt 34 and the roller shaft 33 at the other end to rotate. The specially designed belt on the transmission belt 34 contacts the packaging box, dragging the packaging box to one side of the conveyor belt 21 and into contact with the side guardrail 22, thus completing the positioning of the packaging box before printing. The outer diameter of the sleeve 341 is smaller at one end to facilitate the packaging box entering the adjustment mechanism 3, while the outer diameter of the other end is larger to ensure that the sleeve 341 contacts the packaging box.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An energy-saving packaging box printing machine, comprising a printing machine body (1), a printing channel (11) running horizontally through the printing machine body (1), a conveyor frame (2) fixedly disposed on both sides of the printing machine body (1) at the position of the printing channel (11), and a conveyor belt (21) disposed on the conveyor frame (2) for transporting printed objects. Its features are: An impression cylinder (12) is rotatably arranged inside the printing machine body (1) at the position of the printing channel (11). Rubber cylinders (13) for carrying ink are rotatably connected to the top and bottom of the impression cylinder (12) inside the printing machine body (1). The conveyor frame (2) and the conveyor belt (21) are set in two groups. The conveying surface of each group of conveyor belts (21) is tangent to the impression cylinder (12). The two groups of conveyor belts (21) transport in opposite directions. An auxiliary cylinder (14) is rotatably connected to the upper conveyor belt (21) inside the printing channel (11). The two auxiliary cylinders (14) are set in a group and are respectively set at the entrance and exit of the printing channel (11).

2. The energy-saving packaging box printing machine according to claim 1, characterized in that: The upper conveyor (2) is fixedly installed at the top of the lower conveyor (2).

3. The energy-saving packaging box printing machine according to claim 1, characterized in that: Side guardrails (22) are provided on both sides of the conveyor belt (21) on the conveyor frame (2), and the side guardrails (22) are located within the range of the impression roller (12).

4. The energy-saving packaging box printing machine according to claim 1, characterized in that: Push bars (23) are arrayed along the transmission direction on the conveyor belt (21).

5. The energy-saving packaging box printing machine according to claim 1, characterized in that: An adjustment mechanism (3) is provided on the conveyor frame (2) near the printing channel (11). The adjustment mechanism (3) includes a housing (31) with both ends fixedly connected to the conveyor frame (2), a lifting frame (32) slidably connected to the housing (31) in the longitudinal direction, and a threaded rod (35) threadedly connected to the top of the housing (31). One end of the threaded rod (35) passes through the top of the housing (31) and is rotatably connected to the lifting frame (32).

6. The energy-saving packaging box printing machine according to claim 5, characterized in that: The lifting frame (32) has rollers (33) rotatably installed at both ends inside. A transmission belt (34) is fitted on the rollers (33). A motor (36) is fixedly installed on the top of the lifting frame (32). The rollers (33) near the motor (36) pass through the lifting frame (32) and are connected to the output end of the motor (36). A notch (311) is provided on the outer shell (31) to accommodate the motor (36).

7. The energy-saving packaging box printing machine according to claim 6, characterized in that: A leather sleeve (341) is fitted on the transmission belt (34), and the outer diameter of the leather sleeve (341) gradually increases in the direction of the printing machine body (1).

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