Intaglio printing device for paper packaging box

Abstract

The utility model relates to the technical field of intaglio printing, in particular to a paper packaging box intaglio printing device which comprises a support plate, a first motor is fixedly connected to the outer wall of the support plate, a first rotating roller is fixedly connected to the output end of the first motor, the first rotating roller is rotationally connected to the interior of the support plate, and a first hub is fixedly connected to the outer wall of the first rotating roller. The outer wall of the first hub is rotationally connected with a belt, and the interior of the support plate is rotationally connected with a printing roller. According to the printing device, the first motor drives the first rotating roller to rotate, the first rotating roller drives the first hub to rotate in the rotating process, the first hub rotates to drive the belt and the second hub to rotate, then the printing ink box and the printing roller are driven to rotate, and printing ink in the printing ink box adheres to the interior of a groove of the printing roller through rotation of the printing roller; and redundant ink on the surface of the printing roller is scraped off through the scraper, then the telescopic rod drives the lantern ring and the electric pressing roller to be adjusted in a lifting mode to press the paper packaging box, and therefore the automatic printing effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of intaglio printing, in particular to an intaglio printing device for paper packaging boxes. Background Art

[0002] The intaglio printing device for paper packaging boxes is a device used for printing high-quality patterns and texts on paper packaging boxes, and is widely used in the packaging production of industries such as food, cosmetics, and electronic products. This device adopts intaglio printing technology, fills the recessed parts on the printing plate with ink, and transfers the ink to the paper packaging box through pressure to achieve high printing quality with fine patterns and rich color levels.

[0003] In the prior art, manual assistance is still required during the printing process of paper packaging boxes. Manual printing not only affects the printing speed but also cannot achieve the effect of automatic loading and unloading, resulting in a reduction in printing work efficiency. Moreover, it is easy to have uneven printing during manual printing. Therefore, an intaglio printing device that can achieve automatic printing and automatic transportation for loading and unloading is set up to solve the problem of uneven printing. Summary of the Invention

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art and propose an intaglio printing device for paper packaging boxes.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: an intaglio printing device for paper packaging boxes, including a support plate. The outer wall of the support plate is fixedly connected with a first motor, the output end of the first motor is fixedly connected with a first roller, the first roller is rotatably connected inside the support plate, the outer wall of the first roller is fixedly connected with a first hub, the outer wall of the first hub is rotatably connected with a belt, a printing roller is rotatably connected inside the support plate, the outer wall of the printing roller is fixedly connected with a second hub, and the belt is rotatably connected to the outer wall of the second hub.

[0006] As a further description of the above technical scheme: an ink box is fixedly connected inside the support plate, a squeegee is fixedly connected inside the ink box, the squeegee is slidably connected to the outer wall of the printing roller, a telescopic rod is fixedly connected to the upper surface of the support plate, the output end of the telescopic rod is fixedly connected with a collar, and an electric pressure roller is rotatably connected inside the collar.

[0007] As a further description of the above technical scheme: a refueling pipe is fixedly connected inside the ink box, a connecting plate is fixedly connected to the outer wall of the refueling pipe, the connecting plate is fixedly connected to the outer wall of the support plate, a drain pipe is fixedly connected inside the ink box, and a valve is fixedly connected to the lower surface of the drain pipe.

[0008] As a further description of the above technical solution: A second rotating roller is rotatably connected inside the support plate, a conveyor belt is rotatably connected to the outer wall of the first rotating roller, and the conveyor belt is rotatably connected to the outer wall of the second rotating roller.

[0009] As a further description of the above technical solution: A fixed frame is fixedly connected to the upper surface of the support plate, a second motor is fixedly connected to the upper surface of the fixed frame, and a rotating plate is fixedly connected to the output end of the second motor.

[0010] As a further description of the above technical solution: A limiting rod is fixedly connected inside the fixed frame, a clamping plate is slidably connected to the outer wall of the limiting rod, a connecting rod is rotatably connected to the outer wall of the clamping plate, and the connecting rod is rotatably connected to the outer wall of the rotating plate.

[0011] The utility model has the following beneficial effects:

[0012] 1. Compared with the prior art, in this intaglio printing device for paper packaging boxes, the first motor drives the first rotating roller to rotate. During the rotation of the first rotating roller, the first hub rotates, and the first hub drives the belt and the second hub to rotate, thereby driving the ink box and the printing roller to rotate. The ink inside the ink box is adhered to the grooves inside the printing roller through the rotation of the printing roller. The excess ink on the surface of the printing roller is scraped off by the scraper, and then the telescopic rod drives the collar and the electric pressure roller to lift and adjust to press the paper packaging box, so as to achieve the effect of automatic printing.

[0013] 2. Compared with the prior art, in this intaglio printing device for paper packaging boxes, the ink inside the ink box is discharged through the drain pipe after opening the valve and then discharged through the valve, and new ink is added to the inside of the ink box through the ink filling pipe to achieve ink replacement.

[0014] 3. Compared with the prior art, in this intaglio printing device for paper packaging boxes, when the first motor drives the first rotating roller to rotate, it also drives the conveyor belt to rotate. The conveyor belt drives the second rotating roller to rotate, and the paper packaging box is placed on the upper surface of the conveyor belt to achieve the effect of automatic transportation.

[0015] 4. Compared with the prior art, in this intaglio printing device for paper packaging boxes, the second motor drives the rotating plate to rotate. The rotating plate drives the two connecting rods to rotate. The connecting rods drive the two clamping plates to slide in a limited manner on the outer wall of the limiting rod, so that the two clamping plates slide towards the middle to clamp the paper packaging box, preventing it from shifting during transportation, and thus ensuring uniform printing of the paper packaging box during the printing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is the overall structure diagram of an intaglio printing device for paper packaging boxes proposed by the utility model;

[0017] Figure 2Belt structure diagram of an intaglio printing device for a paper packaging box proposed by the present utility model;

[0018] Figure 3 Ink tank structure diagram of an intaglio printing device for a paper packaging box proposed by the present utility model;

[0019] Figure 4 Clamping plate structure diagram of an intaglio printing device for a paper packaging box proposed by the present utility model.

[0020] Legend description:

[0021] 1. Support plate; 2. First motor; 3. First roller; 4. First hub; 5. Belt; 6. Printing roller; 7. Second hub; 8. Ink tank; 9. Scraper; 10. Telescopic rod; 11. Collar; 12. Electric pressure roller; 13. Ink filling pipe; 14. Connecting plate; 15. Ink discharging pipe; 16. Valve; 17. Second roller; 18. Conveyor belt; 19. Fixed frame; 20. Second motor; 21. Rotating plate; 22. Limiting rod; 23. Clamping plate; 24. Connecting rod. Specific implementation manners

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer and more understandable, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0023] Refer to Figures 1-4, a gravure printing device for a paper packaging box provided by the utility model: including a support plate 1, an outer wall of the support plate 1 is fixedly connected with a first motor 2, an output end of the first motor 2 is fixedly connected with a first roller 3, the first roller 3 is rotatably connected inside the support plate 1, an outer wall of the first roller 3 is fixedly connected with a first hub 4, an outer wall of the first hub 4 is rotatably connected with a belt 5, a printing roller 6 is rotatably connected inside the support plate 1, an outer wall of the printing roller 6 is fixedly connected with a second hub 7, the first roller 3 drives the printing roller 6 to rotate by connecting with the second hub 7 through the belt 5, the belt 5 is rotatably connected to the outer wall of the second hub 7, an ink box 8 is fixedly connected inside the support plate 1, a squeegee 9 is fixedly connected inside the ink box 8, the squeegee 9 is slidably connected to the outer wall of the printing roller 6, the outer wall of the printing roller 6 is in a groove shape, the printing roller 6 rotates to dip the ink inside the ink box 8, and the squeegee 9 scrapes off the excess ink on the outer wall of the printing roller 6, so that the ink exists inside the groove. An upper surface of the support plate 1 is fixedly connected with a telescopic rod 10, an output end of the telescopic rod 10 is fixedly connected with a collar 11, an electric pressure roller 12 is rotatably connected inside the collar 11, the telescopic rod 10 drives the collar 11 and the electric pressure roller 12 to lift and adjust, the electric pressure roller 12 rotates in the reverse direction and combines with the printing roller 6 to clamp the paper packaging box, so as to realize printing. At the same time, the electric pressure roller 12 and the printing roller 6 rotate in the reverse direction to drive the packaging box to be transported, achieving the effect of automatic printing and automatic blanking at the same time.

[0024] In one embodiment, as Figure 3 shown, a filling pipe 13 is fixedly connected inside the ink box 8, the ink box 8 is filled through the filling pipe 13, a connecting plate 14 is fixedly connected to an outer wall of the filling pipe 13, the connecting plate 14 is fixedly connected to an outer wall of the support plate 1, a drain pipe 15 is fixedly connected inside the ink box 8, a valve 16 is fixedly connected to a lower surface of the drain pipe 15, and the ink is drained through the drain pipe 15 by controlling the opening of the valve 16.

[0025] In one embodiment, as Figure 2 shown, a second roller 17 is rotatably connected inside the support plate 1, a conveyor belt 18 is rotatably connected to an outer wall of the first roller 3, the conveyor belt 18 is rotatably connected to an outer wall of the second roller 17, the first roller 3 drives the conveyor belt 18 and the second roller 17 to rotate to achieve the effect of automatic feeding, and the same other set of structures is used to achieve automatic blanking.

[0026] In one embodiment, as Figure 1 and Figure 4As shown in the figure, a fixed frame 19 is fixedly connected to the upper surface of the support plate 1. A second motor 20 is fixedly connected to the upper surface of the fixed frame 19. The output end of the second motor 20 is fixedly connected to a rotating plate 21. A limiting rod 22 is fixedly connected inside the fixed frame 19. The outer wall of the limiting rod 22 is slidably connected to a clamping plate 23. The outer wall of the clamping plate 23 is rotatably connected to a connecting rod 24. The connecting rod 24 is rotatably connected to the outer wall of the rotating plate 21. By driving the rotating plate 21 to rotate by the second motor 20, the two connecting rods 24 are driven to rotate at the same time, and the two clamping plates 23 are driven to slide in the middle, so that the two clamping plates 23 clamp the paper packaging box, solving the problem of the offset of the packaging box during transportation, and at the same time assisting in achieving the effect of uniform printing.

[0027] Working principle: When in use, the paper packaging box is placed on the upper surface of the conveyor belt 18 at one time. The first motor 2 is started to drive the first roller 3 to rotate. While the first roller 3 rotates, the conveyor belt 18 and the second roller 17 are driven to rotate, realizing the automatic transportation of the packaging box. The packaging box is transported to the position of the printing roller 6. During the rotation of the first roller 3, the first hub 4 and the belt 5 are also driven to rotate. The ink tank 8 and the printing roller 6 are driven to rotate by the rotation of the belt 5. When the packaging box is at the position of the printing roller 6, continuous transportation is also realized because of the rotation of the printing roller 6. During the rotation of the printing roller 6, the ink in the ink tank 8 is dipped. Through the groove design of the printing roller 6, the ink is inside the groove of the printing roller 6. During the rotation of the printing roller 6, the excess ink on the outer wall of the printing roller 6 is scraped off by the squeegee 9 in contact with the printing roller 6. Then the telescopic rod 10 is started to drive the collar 11 and the electric pressure roller 12 to move downwards. The upper part of the packaging box is squeezed by the electric pressure roller 12. Combined with the rotation of the printing roller 6, the printing of the packaging box is realized. At the same time, the electric pressure roller 12 rotates in the reverse direction. Combined with the forward rotation of the printing roller 6, the continuous transportation of the packaging box is assisted. The printed packaging box is transported to the upper surface of another conveyor belt 18 for automatic blanking. When the ink needs to be replaced, the valve 16 is opened, and the ink in the ink tank 8 flows out through the drain pipe 15 through the valve 16 for discharge. The inside of the ink tank 8 is rinsed with clean water, and then the new ink is added to the inside of the ink tank 8 through the ink filling pipe 13 to realize the replacement of the ink.

[0028] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An intaglio printing device for paper packaging boxes, comprising a support plate (1), characterized in that: The outer wall of the support plate (1) is fixedly connected with a first motor (2), the output end of the first motor (2) is fixedly connected with a first roller (3), the first roller (3) is rotatably connected inside the support plate (1), the outer wall of the first roller (3) is fixedly connected with a first hub (4), the outer wall of the first hub (4) is rotatably connected with a belt (5), a printing roller (6) is rotatably connected inside the support plate (1), the outer wall of the printing roller (6) is fixedly connected with a second hub (7), and the belt (5) is rotatably connected to the outer wall of the second hub (7).

2. The gravure printing device for a paper packaging box according to claim 1, wherein: An ink box (8) is fixedly connected inside the support plate (1), a squeegee (9) is fixedly connected inside the ink box (8), the squeegee (9) is slidably connected to the outer wall of the printing roller (6), a telescopic rod (10) is fixedly connected to the upper surface of the support plate (1), the output end of the telescopic rod (10) is fixedly connected with a collar (11), and an electric pressure roller (12) is rotatably connected inside the collar (11).

3. The intaglio printing device for a paper packaging box according to claim 2, characterized in that: An ink filling pipe (13) is fixedly connected inside the ink box (8), a connecting plate (14) is fixedly connected to the outer wall of the ink filling pipe (13), the connecting plate (14) is fixedly connected to the outer wall of the support plate (1), a drain pipe (15) is fixedly connected inside the ink box (8), and a valve (16) is fixedly connected to the lower surface of the drain pipe (15).

4. A gravure printing device for a paper packaging box according to claim 3, characterized in that: A second roller (17) is rotatably connected inside the support plate (1), a conveyor belt (18) is rotatably connected to the outer wall of the first roller (3), and the conveyor belt (18) is rotatably connected to the outer wall of the second roller (17).

5. A gravure printing device for a paper packaging box according to claim 4, characterized in that: A fixed frame (19) is fixedly connected to the upper surface of the support plate (1), a second motor (20) is fixedly connected to the upper surface of the fixed frame (19), and the output end of the second motor (20) is fixedly connected with a rotating plate (21).

6. A gravure printing device for a paper packaging box according to claim 5, characterized in that: A limiting rod (22) is fixedly connected inside the fixed frame (19), a clamping plate (23) is slidably connected to the outer wall of the limiting rod (22), a connecting rod (24) is rotatably connected to the outer wall of the clamping plate (23), and the connecting rod (24) is rotatably connected to the outer wall of the rotating plate (21).

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