Adjusting device for decorative paper printing

Abstract

The utility model discloses an adjusting device for decorative paper printing, which comprises a printing table, a rolling assembly is arranged on one side of the top of the printing table, an ink box is arranged on one side of the rolling assembly, a printing assembly is arranged on the top of the ink box, ink scraping assemblies are symmetrically arranged on the top of the ink box, and an adjusting assembly is arranged on the top of the printing assembly in a lifting manner. A guide assembly is arranged on the side, away from the winding assembly, of the top of the printing table. In the decorative paper conveying and printing process, a third motor is controlled to rotate forwards and backwards, then a pressing roller is driven to ascend and descend, the distance between the pressing roller and a gravure roller is conveniently adjusted, and the upper surface and the lower surface of decorative paper of different thickness specifications are tightly attached; the gravure roller is matched with the pressing roller to conduct printing operation on the decorative paper conveyed in the middle, meanwhile, in the printing process of the gravure roller, redundant ink and dust on the surface of the gravure roller are scraped off through the symmetrically-arranged scraping plates, the printing quality of the surface of the decorative paper is further improved, and the practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of decorative paper printing, in particular to an adjusting device for decorative paper printing. Background Technique

[0002] Decorative paper is an essential raw material in many building materials products, such as low-pressure boards and high-pressure boards used in furniture and cabinets, as well as fireproof boards, floors, etc. It mainly plays a decorative role in providing pattern designs and a covering role in preventing the underlying adhesive solution from seeping out. During the production process of decorative paper, its surface is usually printed to improve its aesthetics and durability, etc. However, during the printing process of decorative paper by traditional printing equipment, the printing plate roller and the pressure roller are usually fixedly installed. When printing decorative paper with different thicknesses, it is difficult to adjust the distance between the printing plate roller and the pressure roller, resulting in the decorative paper not being able to fit tightly or being overly pressed against the surface of the printing plate roller, causing the printed decorative paper to be unclear or the decorative paper to be overly squeezed and deformed. At the same time, it is also difficult to scrape off the excess ink on the surface of the printing plate roller during the printing process, resulting in a poor printing effect on the decorative paper and low practicability. Content of the Utility Model

[0003] The purpose of the utility model is to provide an adjusting device for decorative paper printing to solve the problems such as the difficulty in adjusting between the printing plate roller and the pressure roller and the inconvenience in scraping off the excess ink on the surface of the printing plate roller as mentioned in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: An adjusting device for decorative paper printing, including a printing table. On one side of the top of the printing table, there is a winding assembly. On one side of the winding assembly, there is an ink box. On the top of the ink box, there is a printing assembly. On the top of the ink box, scraping assemblies are symmetrically arranged. Above the printing assembly, an adjusting assembly is arranged in a lifting manner. On the side of the top of the printing table away from the winding assembly, there is a guiding assembly.

[0005] Preferably, the winding assembly includes winding plates symmetrically arranged on the side of the top of the printing table. On the top of the two winding plates, a winding shaft is rotatably arranged. On one of the winding plates, there is a motor one with an output shaft fixedly connected to the end of the winding shaft.

[0006] Preferably, the printing assembly includes printing plates symmetrically arranged on both sides of the ink box. On the top of the two printing plates, an intaglio roller is rotatably arranged. On one of the printing plates, there is a motor two with an output shaft fixedly connected to the end of the intaglio roller.

[0007] Preferably, the ink scraping assembly includes guiding grooves symmetrically arranged at the top of the ink cartridge. A plurality of fixing holes are formed in the top wall of the guiding grooves. Dust-proof plates are symmetrically arranged on both sides of the guiding grooves. A telescopic cavity is arranged on one side of each dust-proof plate. A scraping plate is telescopically arranged in the telescopic cavity. The bottom wall of the telescopic cavity is connected to the scraping plate through a return spring. A plurality of threaded holes are arranged on the dust-proof plates corresponding to the fixing holes.

[0008] Preferably, the adjusting assembly includes fixing frames symmetrically arranged on one side of the ink cartridge. Lead screws are rotatably arranged in the middle of the two fixing frames on both sides. Adjusting plates are threadedly connected and lifted and lowered in the middle of the two lead screws on both sides. A pressure roller is rotatably arranged above the printing assembly on the adjusting plate. A first guiding roller is arranged on one side of the pressure roller on the adjusting plate.

[0009] Preferably, transmission wheels are arranged at the bottoms of the two lead screws on both sides. The two transmission wheels are connected by chain drive. A motor three with an output shaft fixedly connected to the end of one of the lead screws is arranged at the bottom of the printing table.

[0010] Preferably, the guiding assembly includes guiding plates symmetrically arranged on one side of the printing table away from the winding assembly. Guide rails are arranged on one side of the two guiding plates on both sides. Sliders are slidably arranged on the top of the guide rails. Second guiding rollers are rotatably arranged in the middle of the two sliders on both sides.

[0011] Preferably, support columns are arranged at the four corners of the bottom of the printing table.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. By pulling the decorative paper to the outer circumferential wall of the second guiding roller, then winding and guiding it to the outer circumferential wall of the first guiding roller, and then finally winding and guiding it to the outer circumferential wall of the winding shaft through the pressure roller. By starting the first motor to drive the decorative paper to be conveyed and printed on the top of the printing table. During the conveying and printing process of the decorative paper, by controlling the forward and reverse rotation of the third motor, the pressure roller is driven to lift and lower, conveniently adjusting the distance between it and the gravure roller, realizing the tight attachment of the upper and lower surfaces of decorative papers with different thickness specifications. At the same time, the second motor is driven to drive the gravure roller to rotate, so that the gravure roller cooperates with the pressure roller to print the decorative paper conveyed in the middle. At the same time, during the printing process of the gravure roller, the excess ink and dust on the surface of the gravure roller are scraped off by the symmetrically arranged scraping plates, further improving the printing quality of the surface of the decorative paper and enhancing the practicability of the equipment.

[0014] 2. By the cooperation of the squeegee and the dust-proof plate, it further prevents dust from entering the ink cartridge and affecting the quality of the ink. At the same time, during the printing process of the gravure roll by one squeegee, the excess ink on the surface of the gravure roll before printing can be scraped off, and the other squeegee can scrape off the dust on the surface of the gravure roll after printing, further improving the printing quality of the gravure roll on the decorative paper. When replacing the gravure roll with different sizes and specifications, the squeegee moves along the telescopic cavity by compressing the reset spring on the same side or under the elastic force of the reset spring, so that the end of the squeegee is tightly attached to the surface of different gravure rolls, enhancing the practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a diagram of the usage state of an embodiment of the present utility model;

[0016] Figure 2 is a schematic diagram of the three-dimensional structure of an embodiment of the present utility model;

[0017] Figure 3 is a schematic diagram of the three-dimensional structure of the ink cartridge and the ink scraping assembly in an embodiment of the present utility model;

[0018] Figure 4 is a schematic diagram of the three-dimensional structure of the dust-proof plate and the squeegee in an embodiment of the present utility model.

[0019] In the figure: 1, printing table; 2, winding assembly; 21, winding plate; 22, winding shaft; 23, motor 1; 3, ink cartridge; 4, printing assembly; 41, printing plate; 42, gravure roll; 43, motor 2; 5, ink scraping assembly; 51, guide groove; 52, fixing hole; 53, dust-proof plate; 54, telescopic cavity; 55, squeegee; 56, reset spring; 57, threaded hole; 6, adjusting assembly; 61, fixing frame; 62, lead screw; 63, adjusting plate; 64, pressure roller; 65, guide roller 1; 66, transmission wheel; 67, chain; 68, motor 3; 7, guiding assembly; 71, guide plate; 72, guide rail; 73, slider; 74, guide roller 2; 8, support column. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1 to 4, the utility model provides an adjusting device for decorative paper printing, including a printing table 1. On one side of the top of the printing table 1, there is a winding assembly 2. On one side of the winding assembly 2, there is an ink cartridge 3. On the top of the ink cartridge 3, there is a printing assembly 4. On the top of the ink cartridge 3, scraping assemblies 5 are symmetrically arranged. On the top of the printing assembly 4, an adjusting assembly 6 is arranged in a lifting manner. On the side of the top of the printing table 1 away from the winding assembly 2, there is a guiding assembly 7. By pulling the decorative paper to the outer circumferential wall of the second guiding roller 74 in the guiding assembly 7, then winding and guiding it to the outer circumferential wall of the first guiding roller 65 in the adjusting assembly 6, and then finally winding and guiding it to the outer circumferential wall of the winding shaft 22 in the winding assembly 2 through the pressure roller 64. Through the winding assembly 2, the decorative paper is driven to be conveyed and printed on the top of the printing table 1. During the conveying and printing process of the decorative paper, by controlling the forward and reverse rotation of the motor three 68 in the adjusting assembly 6, the pressure roller 64 is driven to lift and lower, conveniently adjusting its distance from the gravure roller 42, realizing the tight fitting of decorative papers with different thickness specifications. At the same time, the motor two 43 in the printing assembly 4 is driven to drive the gravure roller 42 to rotate, so that the gravure roller 42 cooperates with the pressure roller 64 to perform printing operations on the decorative paper conveyed in the middle. During the printing process of the gravure roller 42, the excess ink and dust on the surface of the gravure roller 42 are scraped off by the symmetrically arranged scraping assemblies 5, further improving the printing quality of the decorative paper surface and enhancing the practicability of the equipment.

[0022] As Figure 2 shown, specifically, the winding assembly 2 includes winding plates 21 symmetrically arranged on the side of the top of the printing table 1. On the top of the two winding plates 21, a winding shaft 22 is rotatably arranged. On one of the winding plates 21, there is a motor one 23 with an output shaft fixedly connected to the end of the winding shaft 22. By starting the motor one 23 to drive the winding shaft 22 to rotate synchronously, the winding shaft 22 drives the decorative paper to be guided and conveyed on the top of the printing table 1, and through the cooperation of the gravure roller 42 and the pressure roller 64, printing operations on decorative papers with different thickness and size specifications are realized, improving the convenience during the decorative paper printing process.

[0023] Specifically, an external drying device can be further arranged between the winding assembly 2 and the printing assembly 4. Through the external drying device, the printed decorative paper is further dried, improving the quality of winding the decorative paper.

[0024] Specifically, the printing assembly 4 includes printing plates 41 symmetrically arranged on both sides of the ink cartridge 3. On the top of the two printing plates 41, a gravure roller 42 is rotatably arranged. On one of the printing plates 41, there is a motor two 43 with an output shaft fixedly connected to the end of the gravure roller 42. By starting the motor two 43 to drive the gravure roller 42 to rotate synchronously, the gravure roller 42 picks up the ink in the ink cartridge 3 and is in transmission cooperation with the pressure roller 64 to print the pattern on its surface onto the decorative paper surface, realizing the printing process of the conveyed decorative paper.

[0025] AsFigure 3 and Figure 4 As shown in Figure 4 , specifically, the ink scraping assembly 5 includes guiding grooves 51 symmetrically arranged at the top of the ink cartridge 3. A plurality of fixing holes 52 are formed in the top wall of the guiding grooves 51. Dust-proof plates 53 are symmetrically arranged on both sides of the guiding grooves 51. A telescopic cavity 54 is arranged on one side of the dust-proof plate 53. A scraper 55 is telescopically arranged in the telescopic cavity 54. The bottom wall of the telescopic cavity 54 is connected to the scraper 55 through a return spring 56. A plurality of threaded holes 57 are arranged on the dust-proof plate 53 corresponding to the fixing holes 52. By installing the dust-proof plates 53 into the guiding grooves 51 from both sides of the guiding grooves 51 respectively, and making the end of the scraper 55 fit the surface of the gravure cylinder 42, and connecting the fixing holes 52 and the threaded holes 57 on the dust-proof plate 53 through bolts, the dust-proof plates 53 are fixedly installed on the top of the ink cartridge 3. Through the cooperation of the scraper 55 and the dust-proof plates 53, it is further prevented that dust enters the ink cartridge 3 and affects the quality of the ink. At the same time, during the printing process of the gravure cylinder by one side scraper 55, the redundant ink on the surface of the gravure cylinder 42 before printing can be scraped off, and the other side scraper 55 can scrape off the dust on the surface of the gravure cylinder 42 after printing, further improving the printing quality of the gravure cylinder 42 on the decorative paper. When the gravure cylinder 42 with different specifications and sizes is replaced, the scraper 55 moves along the telescopic cavity 54 by compressing the return spring 56 on the same side or under the elastic force of the return spring 56, so that the end of the scraper 55 is tightly attached to the surface of different gravure cylinders 42, improving the practicability.

[0026] Specifically, the end of the scraper 55 in contact with the gravure cylinder 42 is made of a flexible material, so as to avoid scratching the surface of the gravure cylinder 42 when the scraper 55 scrapes off the redundant ink and dust on the surface of the gravure cylinder 42.

[0027] As Figure 2 shown in Figure 2 , specifically, the adjusting assembly 6 includes fixing frames 61 symmetrically arranged on one side of the ink cartridge 3. A lead screw 62 is rotatably arranged in the middle of the two fixing frames 61. An adjusting plate 63 is threadedly connected and lifted on the middle of the two lead screws 62. A pressure roller 64 is rotatably arranged above the printing assembly 4 on the adjusting plate 63. A guiding roller 65 is arranged on one side of the adjusting plate 63 where the pressure roller 64 is located. By driving the lead screw 62 to rotate, the adjusting plate 63 is driven to lift along the lead screw 62 on the same side, and then the distance between the pressure roller 64 and the gravure cylinder 42 can be quickly adjusted, so as to print decorative papers with different thickness specifications and sizes.

[0028] Specifically, drive wheels 66 are provided at the bottoms of the two lead screws 62. The two drive wheels 66 are drivingly connected by a chain 67. A third motor 68 with an output shaft fixedly connected to the end of one of the lead screws 62 is provided at the bottom of the printing table 1. By starting the forward and reverse rotation of the third motor 68, the lead screw 62 on the same side is driven to rotate synchronously, and through the driving cooperation of the drive wheel 66 and the chain 67, the lead screw 62 on the other side is driven to rotate synchronously, thereby driving the two adjusting plates 63 to lift and lower synchronously along the lead screw 62 on the same side.

[0029] Specifically, the guiding assembly 7 includes guiding plates 71 symmetrically provided on one side of the printing table 1 away from the winding assembly 2. Guide rails 72 are provided on one side of the two guiding plates 71. Sliders 73 are slidably provided on the tops of the guide rails 72. A second guiding roller 74 is rotatably provided in the middle of the two sliders 73. By winding and guiding the decorative paper from the outer circumferential wall of the second guiding roller 74 to the outer circumferential wall of the first guiding roller 65, it is convenient to further adjust the tension of the decorative paper by the second guiding roller 74 lifting and lowering along the guide rail 72 during the process of driving the adjusting plate 63 to drive the decorative paper to lift or during printing, so that the decorative paper is always in a straightened state, facilitating its printing and winding processes.

[0030] Specifically, support columns 8 are provided at the four corners of the bottom of the printing table 1 for supporting the printing table 1.

[0031] The working principle of the present utility model: During use, the decorative paper is drawn to the outer circumferential wall of the second guiding roller 74, then wound and guided to the outer circumferential wall of the first guiding roller 65, and finally wound and guided to the outer circumferential wall of the winding shaft 22 through the pressure roller 64. By starting the first motor 23, the decorative paper is driven to be conveyed and printed on the top of the printing table 1. During the process of conveying and printing the decorative paper, by controlling the forward and reverse rotation of the third motor 68, the pressure roller 64 is driven to lift and lower, conveniently adjusting the distance between it and the gravure roller 42, so as to realize the tight attachment of the upper and lower surfaces of decorative papers with different thickness specifications. At the same time, the second motor 43 is driven to drive the gravure roller 42 to rotate, so that the gravure roller 42 cooperates with the pressure roller 64 to perform printing operations on the decorative paper conveyed in the middle. At the same time, during the printing process of the gravure roller 42, the excess ink and dust on the surface of the gravure roller 42 are scraped off by the symmetrically arranged scraping plates 55, further improving the printing quality of the surface of the decorative paper and enhancing the practicability of the equipment.

[0032] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, or improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A decorative paper printing adjustment device, comprising a printing table (1), characterized in that: A winding assembly (2) is provided on one side of the top of the printing platform (1), an ink box (3) is provided on one side of the winding assembly (2), a printing assembly (4) is provided on the top of the ink box (3), an ink scraping assembly (5) is symmetrically provided on the top of the ink box (3), an adjusting assembly (6) is provided on the top of the printing assembly (4) for lifting, and a guide assembly (7) is provided on the side of the top of the printing platform (1) away from the winding assembly (2).

2. The decorative paper printing adjustment device according to claim 1, characterized in that: The winding assembly (2) comprises a winding plate (21) symmetrically arranged on the top side of the printing table (1), winding shafts (22) are rotatably arranged on the top of the winding plates (21) on both sides, and a motor (23) is provided on one side of the winding plate (21) with an output shaft fixedly connected to the end of the winding shaft (22).

3. The decorative paper printing adjustment device according to claim 1, characterized in that: The printing assembly (4) comprises printing plates (41) symmetrically arranged on both sides of the ink box (3), the tops of the printing plates (41) on both sides being rotatably provided with gravure rollers (42), and the printing plate (41) on one side being provided with a second motor (43) having an output shaft fixedly connected to the end of the gravure roller (42).

4. The decorative paper printing adjustment device according to claim 1, characterized in that: The ink scraper assembly (5) comprises a guide groove (51) symmetrically arranged on the top of the ink box (3); a plurality of fixing holes (52) are opened on the top wall of the guide groove (51); dustproof plates (53) are symmetrically arranged on both sides of the guide groove (51); a telescopic cavity (54) is arranged on one side of the dustproof plate (53); a scraper (55) is telescopically arranged in the telescopic cavity (54); the bottom wall of the telescopic cavity (54) is connected to the scraper (55) via a return spring (56); and the dustproof plate (53) is provided with a plurality of threaded holes (57) for the fixing holes (52).

5. The decorative paper printing adjustment device according to claim 1, characterized in that: The adjustment component (6) comprises a fixed frame (61) symmetrically arranged on one side of the ink cartridge (3), a screw rod (62) being rotatably arranged in the middle of the fixed frames (61) on both sides, an adjustment plate (63) being threadedly connected and lifted in the middle of the screw rods (62) on both sides, the adjustment plate (63) being located directly above the printing component (4) and being rotatably provided with a pressure roller (64), and the adjustment plate (63) being located on one side of the pressure roller (64) and being provided with a guide roller (65).

6. The decorative paper printing adjustment device according to claim 5, characterized in that: The bottom of the screw rods (62) on both sides are provided with transmission wheels (66), and the transmission wheels (66) on both sides are connected by chains (67). The bottom of the printing table (1) is provided with a motor 3 (68) whose output shaft is fixedly connected to the end of the screw rod (62) on one side.

7. The decorative paper printing adjustment device according to claim 1, characterized in that: The guide assembly (7) comprises a guide plate (71) symmetrically arranged on one side of the printing table (1) away from the winding assembly (2), a guide rail (72) is arranged on one side of the guide plates (71) on both sides, a slider (73) is slidably arranged on the top of the guide rail (72), and two guide rollers (74) are rotatably arranged in the middle of the sliders (73) on both sides.

8. The decorative paper printing adjustment device according to claim 1, characterized in that: Support columns (8) are provided at the four corners of the bottom of the printing platform (1).

Images