Gravure press with position-adjustable printing roller

Abstract

The gravure press comprises a shell and a printing roller body, a spring rod is installed on the lower portion in the shell, an impressing roller is installed above the spring rod, the printing roller body is installed on the upper portion of the middle in the shell, and adjusting assemblies are installed at the front end and the rear end of the printing roller body. The adjusting assembly comprises a threaded rod, bearing frames, a cross beam and a moving block, the cross beam is in threaded connection with the periphery of the lower portion of the threaded rod, the bearing frames are slidably connected to the left end and the right end of the cross beam, and the moving block is slidably connected to the periphery of the middle of the cross beam. Compared with an existing gravure press, the gravure press with the position-adjustable printing roller has the advantages that printing ink is heated to a proper temperature through the heater, is detected through the temperature sensor and then is sprayed to the printing roller body from the ink jet head, the position deviates after the printing roller body is replaced, and the height of the cross beam in the bearing frame is changed by rotating the threaded rod; the position of the moving block on the cross beam is changed left and right and is fixed through a fastening knob.

Description

Technical Field

[0001] The utility model relates to the technical field of gravure printing machines, in particular to a gravure printing machine with an adjustable printing roller position. Background Art

[0002] At present, during the use of a gravure printing machine, the printing content is changed by replacing the printing roller. Frequent replacement of the printing roller may cause the printing to be offset, and a gravure printing machine with an adjustable printing roller position is needed.

[0003] The existing patent announcement number is CN220349286U, and the patent is named "A gravure printing machine". The utility model discloses a gravure printing machine, including: a main chassis, a first side chassis and a second side chassis are respectively provided on both sides of the main chassis, a first motor and a second motor are installed in the first side chassis, the output shaft of the first motor is connected to the first roller and the second roller through a belt drive, and the first roller and the second roller have the same rotation direction; the second motor is connected to the gravure roller and the brush roller through a gear set, and the gravure roller and the brush roller have the same rotation direction, the brush roller is below the gravure roller, and an ink storage tank is provided below the brush roller, and the ink storage tank is provided with a scraper on one side of the gravure roller's rotation direction, and the top of the scraper is close to the gravure roller. The gravure printing machine, by arranging the brush roller and the scraper, prevents excessive ink from adhering to the gravure roller, prevents excessive ink from being supplied to the packaging paper, and prevents the color of the pattern printed on the packaging paper from being chaotic, which not only improves the yield rate, but also saves ink raw materials and improves ink utilization.

[0004] The position of the gravure roller in the above-mentioned device is fixed, and there is a lack of pressure on the paper to ensure printing clarity during printing. When different products need to be printed, replacing the gravure roller may cause the position of the gravure roller to change, resulting in printing deviations, and cannot well meet people's usage needs. In view of the above situation, technical innovation is carried out on the basis of the existing gravure printing machine. Utility Model Content

[0005] The utility model aims to provide a gravure printing machine with an adjustable printing roller position, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gravure printing machine with adjustable printing roller position, comprising a shell and a printing roller body, a spring rod is installed at the lower part of the interior of the shell, and a embossing roller is installed above the spring rod, the printing roller body is installed at the upper middle part of the interior of the shell, and adjustment components are installed at the front and rear ends of the printing roller body, the adjustment component comprises a threaded rod, a load-bearing frame, a crossbeam and a moving block, and the lower outer periphery of the threaded rod is threadedly connected to the crossbeam, the left and right ends of the crossbeam are slidably connected to the load-bearing frame, and the middle outer periphery of the crossbeam is slidably connected to the moving block.

[0007] Furthermore, a vacuum cleaner is arranged on the left side of the embossing roller, and a vacuum nozzle is installed on the upper left side of the vacuum cleaner, and a soft brush is arranged on the vacuum nozzle to facilitate the removal of attached particles.

[0008] Furthermore, roller groups are installed on both sides of the inner part of the shell, and the roller groups are welded to the shell. The vertical damping rods on the two roller groups clamp the paper, and the horizontal damping rods tighten and straighten the paper to facilitate printing.

[0009] Furthermore, a waste ink box is arranged at the lower left side of the printing roller body, and an infrared dryer is arranged at the lower right side of the printing roller body, and the printed paper is quickly dried by the infrared dryer.

[0010] Furthermore, an inkjet head is arranged inside the waste ink box, and an ink absorbing roller is arranged above the inkjet head. After the printing roller body rotates one circle, the ink absorbing roller absorbs the residual ink on the printing roller body, and presses the ink in the ink absorbing material out through the lower pressure rod during the rotation.

[0011] Furthermore, an ink cartridge is arranged on the upper left side of the interior of the shell, and the ink cartridge and the shell are welded.

[0012] Furthermore, an ink filling port is connected to the top of the ink cartridge, and the ink filling port is threadedly connected to the ink cartridge.

[0013] Furthermore, a heater is provided below the ink cartridge, and a temperature sensor is connected to the right side of the heater. The ink is heated to a suitable temperature by the heater, and is sprayed from the inkjet head onto the printing roller body after being detected by the temperature sensor.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the vertical damping rods on the two roller groups clamp the paper, and the horizontal damping rods pull the paper tight and straight, which is convenient for printing. Before printing, the paper is cleaned of dust and other particles on the surface through a vacuum nozzle. The ink is heated to a suitable temperature by a heater, and is sprayed from the inkjet head to the printing roller body after being detected by a temperature sensor. After the printing roller body is replaced, the position will be offset. The height of the crossbeam in the load-bearing frame is changed by rotating the threaded rod, and the position of the moving block on the crossbeam is changed left and right and fixed by a tightening knob.

[0015] 1. When the printing roller body is replaced, the position of the utility model will be offset. By rotating the threaded rod to change the height of the beam in the load-bearing frame, the moving block changes its position on the beam left and right and is fixed by the tightening knob, so that the printing roller body can be adjusted to a suitable position conveniently;

[0016] 2. During printing, the vertical damping rods on the two roller groups of the utility model clamp the paper, and the horizontal damping rods are used to tighten and straighten the paper, so as to facilitate printing. Before printing, the dust particles on the surface of the paper are removed through the dust suction nozzle, the ink is injected into the ink box through the ink filling port, heated to a suitable temperature by the heater, and sprayed onto the printing roller body from the inkjet head after being detected by the temperature sensor, the scraper on the waste ink box scrapes off the excess ink, and the ink is pressed onto the printing roller body for printing through the embossing roller, and the embossing roller maintains a suitable pressure through the spring rod, and the ink absorbing roller absorbs the residual ink on the printing roller body after the printing roller body rotates one circle, and presses the ink in the ink absorbing material through the lower pressure rod during the rotation process to maintain the ink absorbing efficiency, and the paper after printing is quickly dried by an infrared dryer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front cross-sectional structural schematic diagram of a gravure printing machine with adjustable printing roller position according to the utility model;

[0018] Figure 2 It is a partial cross-sectional structural schematic diagram of a waste ink box of a gravure printing machine with adjustable printing roller position according to the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the three-dimensional structure of the adjustment component of the gravure printing machine with adjustable printing roller position.

[0020] In the figure: 1. Shell; 2. Spring rod; 3. Embossing roller; 4. Dust nozzle; 5. Vacuum cleaner; 6. Infrared dryer; 7. Roller group; 8. Printing roller body; 9. Adjustment assembly; 901. Threaded rod; 902. Load-bearing frame; 903. Crossbeam; 904. Moving block; 10. Waste ink cartridge; 11. Inkjet head; 12. Ink suction roller; 13. Temperature sensor; 14. Heater; 15. Ink cartridge; 16. Ink filling port. DETAILED DESCRIPTION

[0021] like Figure 1 and Figure 3As shown, a gravure printing machine with adjustable printing roller position comprises a shell 1 and a printing roller body 8, a spring rod 2 is installed at the lower part of the shell 1, and a embossing roller 3 is installed above the spring rod 2, the printing roller body 8 is installed at the upper middle part of the shell 1, and an adjusting component 9 is installed at the front and rear ends of the printing roller body 8, the adjusting component 9 comprises a threaded rod 901, a load-bearing frame 902, a beam 903 and a moving block 904, and the lower outer periphery of the threaded rod 901 is threadedly connected to the beam 903, the left and right ends of the beam 903 are slidably connected to the load-bearing frame 902, and the middle outer periphery of the beam 903 is slidably connected to the moving block 904, when the printing roller body 8 is replaced, the position will be offset, and the height of the beam 903 in the load-bearing frame 902 is changed by rotating the threaded rod 901, and the moving block 904 changes its position on the beam 903 left and right and is fixed by a tightening knob, so that the printing roller body 8 is conveniently adjusted to a suitable position.

[0022] like Figure 1 and Figure 2 As shown, a vacuum cleaner 5 is provided on the left side of the embossing roller 3, and a vacuum nozzle 4 is installed on the upper left side of the vacuum cleaner 5, roller groups 7 are installed on the left and right sides of the inner shell 1, and the roller group 7 is welded to the outer shell 1, a waste ink box 10 is provided at the lower left side of the printing roller body 8, and an infrared dryer 6 is provided at the lower right side of the printing roller body 8, an inkjet head 11 is provided inside the waste ink box 10, and an ink absorbing roller 12 is provided above the inkjet head 11, an ink box 15 is provided on the upper left side of the inner shell 1, and the ink box 15 is welded to the outer shell 1, an ink filling port 16 is connected to the upper side of the ink box 15, and the ink filling port 16 is threadedly connected to the ink box 15, a heater 14 is provided below the ink box 15, and a temperature sensor 13 is connected to the right side of the heater 14, and when printing, the two roller groups 7 are connected to the upper side of the ink box 15. The vertical damping rod clamps the paper, and the horizontal damping rod pulls the paper tight and straight to facilitate printing. Before printing, the dust particles on the surface of the paper are removed through the dust suction nozzle 4. The ink is injected into the ink box 15 through the ink filling port 16, heated to a suitable temperature by the heater 14, and sprayed onto the printing roller body 8 from the inkjet head 11 after being detected by the temperature sensor 13. The scraper on the waste ink box 10 scrapes off the excess ink and presses it onto the printing roller body 8 through the embossing roller 3 for printing. The embossing roller 3 maintains a suitable pressure through the spring rod 2. After the printing roller body 8 rotates one circle, the ink absorbing roller 12 absorbs the residual ink on the printing roller body 8, and presses the ink in the ink absorbing material through the lower pressure rod during the rotation to maintain the ink absorption efficiency. After printing, the paper is quickly dried by the infrared dryer 6.

[0023] Working principle: When using the gravure printing machine with adjustable printing roller position, first, during printing, the vertical damping rods on the two roller groups 7 clamp the paper, and the horizontal damping rods pull the paper tight and straight to facilitate printing. Before printing, the paper is cleaned of dust particles on the surface through the vacuum nozzle 4. The ink is injected into the ink box 15 through the ink filling port 16, heated to a suitable temperature by the heater 14, and sprayed from the inkjet head 11 to the printing roller body 8 after being detected by the temperature sensor 13. The scraper on the waste ink box 10 scrapes off the excess ink and is pressed onto the printing roller body 8 through the embossing roller 3 for printing. The embossing roller The spring rod 2 is used to maintain a suitable pressure. After the printing roller body 8 rotates one circle, the ink absorbing roller 12 absorbs the ink remaining on the printing roller body 8, and presses the ink in the ink absorbing material through the lower pressure rod during the rotation process to maintain the ink absorption efficiency. The paper after printing is quickly dried by the infrared dryer 6. When the printing roller body 8 is replaced, the position will be offset. By rotating the threaded rod 901 to change the height of the beam 903 in the load-bearing frame 902, the moving block 904 changes its position on the beam 903 left and right and is fixed by the tightening knob, so that the printing roller body 8 can be easily adjusted to a suitable position.

Claims

1. A gravure printing machine with an adjustable printing roller position, comprising a housing (1) and a printing roller body (8), characterized in that: A spring rod (2) is installed at the lower part of the inner part of the shell (1), and a embossing roller (3) is installed above the spring rod (2); the embossing roller body (8) is installed at the upper middle part of the inner part of the shell (1), and an adjustment component (9) is installed at the front and rear ends of the embossing roller body (8); the adjustment component (9) comprises a threaded rod (901), a load-bearing frame (902), a crossbeam (903) and a moving block (904); the lower periphery of the threaded rod (901) is threadedly connected to the crossbeam (903), the left and right ends of the crossbeam (903) are slidably connected to the load-bearing frame (902), and the middle periphery of the crossbeam (903) is slidably connected to the moving block (904).

2. The gravure printing machine with adjustable printing roller position according to claim 1, characterized in that: A dust collector (5) is arranged on the left side of the embossing roller (3), and a dust suction nozzle (4) is installed above the left side of the dust collector (5).

3. The gravure printing machine with adjustable printing roller position according to claim 1, characterized in that: Roller groups (7) are installed on both left and right sides of the interior of the outer shell (1), and the roller groups (7) and the outer shell (1) are welded.

4. The gravure printing machine with adjustable printing roller position according to claim 1, characterized in that: A waste ink box (10) is arranged at the lower left side of the printing roller body (8), and an infrared dryer (6) is arranged at the lower right side of the printing roller body (8).

5. The gravure printing machine with adjustable printing roller position according to claim 4, characterized in that: An inkjet head (11) is arranged inside the waste ink box (10), and an ink absorbing roller (12) is arranged above the inkjet head (11).

6. The gravure printing machine with adjustable printing roller position according to claim 1, characterized in that: An ink box (15) is arranged on the upper left side of the interior of the shell (1), and the ink box (15) and the shell (1) are welded.

7. The gravure printing machine with adjustable printing roller position according to claim 6, characterized in that: An ink filling port (16) is connected to the top of the ink box (15), and the ink filling port (16) and the ink box (15) are threadedly connected.

8. The gravure printing machine with adjustable printing roller position according to claim 6, characterized in that: A heater (14) is provided below the ink box (15), and a temperature sensor (13) is connected to the right side of the heater (14).

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