Printing device for production of melamine impregnated paper

Abstract

The utility model discloses a printing device for production of melamine impregnated paper, which comprises a shell and an exhaust fan mounted at the top of the shell, a printing roller capable of printing is rotatably connected in a groove in the back of the inner wall of the shell through a bearing, a fixed shell is mounted on the left side of the top of the shell, and a printing roller is mounted in the fixed shell. A pluggable filter screen is arranged in the fixing shell, the filter further comprises two partition plates, the two partition plates are installed on the inner wall of the shell respectively, a fixing pipe communicated with the fixing shell is installed at the bottom of the fixing shell, and the bottom end of the fixing pipe penetrates through the shell and extends into the shell. According to the melamine impregnated paper cleaning device, dust and impurities on the surface of melamine impregnated paper can be conveniently filtered through the filter screen by starting the exhaust fan, so that the dust and the impurities on the surface of the melamine impregnated paper can be cleaned, and meanwhile, gas exhausted by the exhaust fan is matched with the heating plate; and therefore, the drying efficiency of the melamine impregnated paper after printing is improved, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of melamine impregnated paper printing, in particular to a printing device for producing melamine impregnated paper. Background Art

[0002] Melamine-impregnated paper, or melamine-impregnated adhesive paper, is a type of plain or printed decorative paper impregnated with amino resins (melamine-formaldehyde and urea-formaldehyde resins) and dried to a certain resin and volatile content. This adhesive paper can be bonded to each other or to the wood-based panel substrate through heat pressing. Melamine-impregnated paper offers aesthetically pleasing appearance and enhanced value: improved physical properties, expanding the range of applications, increasing the value of wood-based panels, and simplifying the production process (eliminating painting and coating). Melamine-impregnated paper requires a printing device for its production.

[0003] According to the application number: CN202220534987.5, a printing device for producing melamine impregnated paper includes a machine base, a front printing roller, a back printing roller, two first conveying rollers and two dryers. The bottom of the left and right side walls of the machine base are provided with first openings for the impregnated paper to pass through, and the two first conveying rollers are installed on the side walls of the machine base corresponding to the positions of the two first openings. A mounting plate is provided in the machine base, the front printing roller and the back printing roller are installed in the machine base and are respectively located on the left and right sides of the mounting plate. The two dryers are fixed to the inner side wall of the machine base or the side wall of the mounting plate, and the two dryers cooperate to dry the front and back sides of the impregnated paper after printing.

[0004] The printing device in the above case only has a simple printing effect and is inconvenient for cleaning dust and impurities on the surface of the melamine-impregnated paper, thereby seriously affecting the quality of the melamine-impregnated paper during printing and reducing its practicality. Utility Model Content

[0005] The purpose of the present invention is to provide a printing device for producing melamine impregnated paper, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solution: a printing device for producing melamine impregnated paper, comprising a shell and an exhaust fan installed on the top of the shell, a printable printing roller rotatably connected to a groove on the back side of the inner wall of the shell via a bearing, a fixed shell installed on the left side of the top of the shell, and a pluggable filter screen provided inside the fixed shell.

[0007] Preferably, it also includes partitions, two of which are respectively installed on the inner walls of the shell, and the bottom of the fixed shell is installed with a fixed pipe that is interconnected with it, the bottom end of the fixed pipe passes through the shell and extends to the interior thereof, and the bottom end of the fixed pipe is installed with a connecting head, and the back and bottom of the connecting head are both installed with an air suction head that is interconnected with it through a pipeline.

[0008] Preferably, the left side of the exhaust fan is connected to the right side of the fixed shell through a connecting pipe, and a transmission pipe connected to the right side of the exhaust fan is installed. The end of the transmission pipe away from the exhaust fan passes through the shell and extends into the interior thereof, and the end of the transmission pipe away from the exhaust fan is installed with an exhaust head connected to the shell, and a heating plate is installed on the left partition.

[0009] Preferably, the top of the filter screen passes through the fixed shell and extends to the outside thereof, a pull block is installed on the top of the filter screen, a slide groove is opened on the left side of the top of the fixed shell, and the left and right sides of the inner wall of the slide groove are fixedly connected by a slide rod.

[0010] Preferably, a slider is slidably connected to the surface of the slide rod, a limit plate used in conjunction with the pull block is installed on the top of the slider, and a buffer spring is sleeved on the surface of the slide rod.

[0011] Preferably, an ink shell is installed at the bottom of the inner wall of the shell, and the back of the inner wall of the shell is connected to an ink roller used in conjunction with a printing roller through motor drive, and the back of the inner wall of the shell is rotatably connected to a connecting roller through a bearing.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] The utility model starts the exhaust fan to filter the dust and impurities on the surface of the melamine impregnated paper through the filter screen, so that the dust and impurities on the surface of the melamine impregnated paper can be cleaned. At the same time, the gas discharged by the exhaust fan cooperates with the heating plate to accelerate the efficiency of drying the melamine impregnated paper after printing, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional structure of the fixed shell, pull block, slide groove and limit plate of the utility model;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the connector and the suction head of the utility model;

[0017] Figure 4 It is a structural cross-sectional view of the front view of the utility model;

[0018] Figure 5 This is a structural cross-sectional view of the front view of the fixed shell, the limiting plate and the buffer spring of the utility model.

[0019] In the figure: 1 shell, 2 exhaust fan, 3 printing roller, 4 fixed shell, 5 filter screen, 6 partition, 7 fixed pipe, 8 connecting head, 9 suction head, 10 connecting pipe, 11 transmission pipe, 12 exhaust head, 13 heating plate, 14 pulling block, 15 slide groove, 16 slide rod, 17 slider, 18 limit plate, 19 buffer spring, 20 ink shell, 21 ink roller, 22 connecting roller, 23 guide roller. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-5 A printing device for producing melamine impregnated paper includes a shell 1 and an exhaust fan 2 installed on the top of the shell 1. A printable printing roller 3 is rotatably connected to a groove on the back side of the inner wall of the shell 1 through a bearing. A fixed shell 4 is installed on the left side of the top of the shell 1, and a pluggable filter screen 5 is provided inside the fixed shell 4.

[0022] Furthermore, inspection doors are movably connected to the left and right sides of the front of the shell 1 through hinges, and a controller is installed on the top of the left side of the shell 1.

[0023] An ink shell 20 is installed at the bottom of the inner wall of the shell 1, and the back of the inner wall of the shell 1 is connected to an ink roller 21 used in conjunction with the printing roller 3 through a motor drive. The back of the inner wall of the shell 1 is rotatably connected to a connecting roller 22 through a bearing. There are three connecting rollers 22, which are rotatably connected to the inside of the shell 1 respectively.

[0024] Furthermore, guide rollers 23 are installed on both the left and right sides of the housing 1 .

[0025] It also includes a partition 6, two of which are installed on the inner wall of the shell 1 respectively. The bottom of the fixed shell 4 is installed with a fixed pipe 7 that is interconnected with it. The bottom end of the fixed pipe 7 passes through the shell 1 and extends to the interior thereof. The bottom end of the fixed pipe 7 is installed with a connecting head 8. The back and bottom of the connecting head 8 are installed with an air suction head 9 that is interconnected with it through a pipeline.

[0026] The left side of the exhaust fan 2 is connected to the right side of the fixed shell 4 through a connecting pipe 10. A transmission pipe 11 is installed on the right side of the exhaust fan 2 and is interconnected with it. The end of the transmission pipe 11 away from the exhaust fan 2 passes through the shell 1 and extends into the interior thereof. An exhaust head 12 is installed on the end of the transmission pipe 11 away from the exhaust fan 2 and is interconnected with it. A heating plate 13 is installed on the left partition 6.

[0027] Furthermore, the left side of the connecting head 8 and the left side of the air intake head 9 are fixedly connected to the left side of the inner wall of the shell 1 through a first reinforcement block, and the left side of the exhaust head 12 is fixedly connected to the partition 6 located on the right side through a second reinforcement block.

[0028] The top of the filter screen 5 passes through the fixed shell 4 and extends to the outside thereof. A pull block 14 is installed on the top of the filter screen 5. The bottom of the pull block 14 is in contact with the top of the fixed shell 4. A slide groove 15 is provided on the left side of the top of the fixed shell 4. The left and right sides of the inner wall of the slide groove 15 are fixedly connected by a slide rod 16. The surface of the slide rod 16 is slidably connected with a slider 17. The top of the slider 17 is installed with a limit plate 18 used in conjunction with the pull block 14. The side of the limit plate 18 close to the pull block 14 is in contact with the pull block 14, and the surface of the slide rod 16 is sleeved with a buffer spring 19.

[0029] By providing the sliding groove 15 , the sliding rod 16 , the sliding block 17 , the limiting plate 18 and the buffer spring 19 , it is convenient to pull the filter screen 5 out of the fixed shell 4 for maintenance and cleaning.

[0030] Specifically, the limit plate 18 is pulled to the left, and the limit plate 18 squeezes the buffer spring 19 to the left through the slider 17, so that the limit plate 18 and the pull block 14 are separated, and then the pull block 14 is pulled upward, and the pull block 14 drives the filter screen 5 to move upward, so that the filter screen 5 can be pulled out from the fixed shell 4.

[0031] Furthermore, the exhaust fan 2 and the heating plate 13 are electrically connected to the controller respectively.

[0032] By starting the exhaust fan 2, dust and impurities on the surface of the melamine-impregnated paper can be filtered through the filter 5, so that the dust and impurities on the surface of the melamine-impregnated paper can be cleaned. At the same time, the gas discharged by the exhaust fan 2 cooperates with the heating plate 13 to accelerate the efficiency of drying the melamine-impregnated paper after printing, thereby improving practicality.

[0033] When in use, the melamine impregnated paper is passed from left to right into the interior of the housing 1 and then passed out through the right side of the housing 1 to form a Figure 4In the state shown, the exhaust fan 2 is started, and negative pressure is generated in the fixed shell 4 through the connecting pipe 10, so that the two suction heads 9 generate suction, sucking dust and impurities on the surface of the melamine-impregnated paper into the interior of the fixed shell 4. The dust and impurities are filtered and intercepted by the filter screen 5 in the fixed shell 4, and then the excess gas is discharged through the transmission pipe 11 and the exhaust head 12. The heating plate 13 is started, thereby accelerating the drying efficiency of the ink after printing on the bottom of the melamine-impregnated paper;

[0034] The melamine impregnated paper enters the housing 1 from left to right, and the ink in the ink housing 20 is transferred to the printing roller 3 through the ink roller 21, and the melamine impregnated paper is printed by the printing roller 3.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A printing device for producing melamine impregnated paper, characterized in that: The invention comprises a shell (1) and an exhaust fan (2) installed on the top of the shell (1); a printable printing roller (3) is rotatably connected to a groove on the back of the inner wall of the shell (1) via a bearing; a fixed shell (4) is installed on the left side of the top of the shell (1); and a pluggable filter (5) is provided inside the fixed shell (4).

2. The printing device for producing melamine impregnated paper according to claim 1, characterized in that: The invention also includes a partition (6), wherein the number of the partitions (6) is two and they are respectively installed on the inner wall of the shell (1); a fixed pipe (7) is installed at the bottom of the fixed shell (4) and is in communication with the fixed shell (4); the bottom end of the fixed pipe (7) passes through the shell (1) and extends into the interior thereof; a connector (8) is installed at the bottom end of the fixed pipe (7); and an air suction head (9) is installed on the back and bottom of the connector (8) through a pipeline and is in communication with the fixed shell (4).

3. The printing device for producing melamine impregnated paper according to claim 2, characterized in that: The left side of the exhaust fan (2) is connected to the right side of the fixed shell (4) through a connecting pipe (10), and a transmission pipe (11) in communication with the exhaust fan (2) is installed on the right side of the exhaust fan (2). The end of the transmission pipe (11) away from the exhaust fan (2) passes through the shell (1) and extends into the interior thereof. The end of the transmission pipe (11) away from the exhaust fan (2) is installed with an exhaust head (12) in communication with the exhaust fan, and a heating plate (13) is installed on the left side partition (6).

4. The printing device for producing melamine impregnated paper according to claim 3, characterized in that: The top of the filter screen (5) passes through the fixed shell (4) and extends to the outside thereof. A pull block (14) is installed on the top of the filter screen (5). A slide groove (15) is provided on the left side of the top of the fixed shell (4). The left and right sides of the inner wall of the slide groove (15) are fixedly connected by a slide rod (16).

5. The printing device for producing melamine impregnated paper according to claim 4, characterized in that: The surface of the slide rod (16) is slidably connected to a slider (17), the top of the slider (17) is provided with a limit plate (18) used in conjunction with the pull block (14), and the surface of the slide rod (16) is sleeved with a buffer spring (19).

6. The printing device for producing melamine impregnated paper according to claim 5, characterized in that: An ink shell (20) is installed at the bottom of the inner wall of the housing (1); an ink roller (21) used in conjunction with a printing roller (3) is connected to the back of the inner wall of the housing (1) through motor drive; and a connecting roller (22) is rotatably connected to the back of the inner wall of the housing (1) through a bearing.

Images