Adjustable double-scraper ink distributing structure

Abstract

The utility model relates to the technical field of printing, and discloses an adjustable double-scraper ink distributing structure which comprises an installation frame, two motors are fixedly installed on one side of the installation frame, the output end of one motor is fixedly connected with an anilox roller, the output end of the other motor is fixedly connected with a printing roller, and an adjusting assembly is arranged in the installation frame. And the adjusting assembly comprises a plurality of fixing rods, the fixing rods are fixedly connected to the two sides of the inner wall of the mounting frame correspondingly, a fixing box is fixedly connected between the two fixing rods, and a rotating rod is rotationally connected into the fixing box. When the scraper is used for scraping the side wall of the anilox roller, the distance between the scraper and the anilox roller can be flexibly adjusted according to use requirements, the distribution uniformity of ink on the outer surface of the anilox roller can be improved, the scraper plate is additionally provided with the function of being convenient to disassemble and replace when the scraper plate is abraded and cracked, an adjusting assembly of the whole scraper does not need to be replaced, and the cost is reduced. And the replacement cost can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing technical field especially, relates to adjustable double doctor blade ink uniformity structure. BACKGROUND

[0002] Double doctor blade ink uniformity is a kind of technology in printing process, utilizes two scrapers to cooperate with each other, and evenly distributes ink on printing plate or screen plate, and this kind of technology has wide application in silk screen printing, flexographic printing and other fields, since ink forms uniform ink film on screen roller, therefore, the edge of printed pattern or character is clear and delicate, and printing precision is high.

[0003] Through the retrieval, the China patent with the announcement number CN218084736U discloses a printing machine ink uniformity structure, the ink cartridge of present printing machine is used to pack ink, however, ink will appear deposition after standing for a period of time, leading to the unevenness of upper layer and lower layer of ink, so that when printing with upper layer ink, it will be lighter, and when printing with lower layer ink, it will be darker, and the condition of different depth appears, so the problem of uneven printing caused by the upper and lower layer of ink is solved.

[0004] The above-mentioned ink uniformity structure is convenient for mixing ink in the ink cartridge when in use, and when ink is transferred to the screen roller by using the ink cartridge, a scraper is usually used to scrape the outer surface of the screen roller, and the spacing between the scraper and the screen roller directly affects the uniformity of ink distribution on the surface of the screen roller, the scraper in the prior art is usually fixed on the holder, so it is inconvenient to adjust the spacing between the scraper and the screen roller, if the spacing is too large, the scraper may not effectively remove the excess ink on the surface of the screen roller, leading to uneven ink transfer and affecting the quality of printed products, on the contrary, if the spacing is too small, the scraper may excessively remove ink, which also leads to insufficient or uneven ink transfer. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art, and provides an adjustable double doctor blade ink uniformity structure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: adjustable double doctor blade ink uniformity structure, including mounting bracket, the side fixed mounting of mounting bracket has two motors, and the output end of one of motor is fixedly connected with screen roller, and the output end of another motor is fixedly connected with printing roller, and the inside of mounting bracket is provided with adjusting assembly;

[0007] The adjusting assembly comprises a plurality of fixing rods, the plurality of fixing rods are fixedly connected on the two sides of the inner wall of the mounting frame respectively, two fixing boxes are fixedly connected between two fixing rods, a rotating rod is rotatably connected in the fixing box, and threaded grooves are formed in the outer two ends of the rotating rod.

[0008] As a further description of the above technical solution:

[0009] A first bevel gear is fixedly connected to the middle of the rotating rod, a second bevel gear is rotatably connected to the middle of the inner wall of the fixing box, the first bevel gear is in meshing connection with the second bevel gear, and a knob is fixedly connected to the middle of the second bevel gear.

[0010] As a further description of the above technical solution:

[0011] A connecting block is threadedly connected to the outside of the threaded groove, a supporting rod is hingedly connected to one side of the connecting block, an installation plate is hingedly connected to one end of the two supporting rods, a sliding block is fixedly connected to the two sides of the installation plate, two sliding grooves are formed in the two sides of the inner wall of the mounting frame, and the sliding block is slidably connected in the sliding groove.

[0012] As a further description of the above technical solution:

[0013] A plurality of connecting columns are fixedly connected to one side of the installation plate, a pressing block is fixedly connected to one end of the connecting column, an installation rod is arranged on one side of the installation plate, and a plurality of recesses are formed in one side of the installation rod.

[0014] As a further description of the above technical solution:

[0015] A spring is fixedly connected in the recess, one end of the spring is fixedly connected to one side of the pressing block, a limiting ring is fixedly connected to one side of the inner wall of the recess, the limiting ring is slidably connected to the outside of the connecting column, and a scraper plate is arranged on one side of the installation rod.

[0016] As a further description of the above technical solution:

[0017] A dismounting assembly is arranged on one side of the scraper plate, the dismounting assembly comprises two fixed blocks, the two fixed blocks are fixedly connected to one side of the scraper plate, and a hole groove is formed in the upper surface of the fixed block.

[0018] As a further description of the above technical solution:

[0019] Two installation grooves are formed in one side of the installation rod, two threaded holes are formed in the upper surface of the installation rod, a threaded stud is threadedly connected in the threaded hole, and a screw block is fixedly connected to one end of the threaded stud.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1. The utility model discloses a setting of adjusting assembly, when the doctor blade is scraped to the side wall of the anilox roller in the ink uniformity structure, the distance between the doctor blade and the anilox roller can be adjusted flexibly according to the use demand, which helps to improve the uniformity of the ink distribution on the outer surface of the anilox roller, fill the ink in the anilox roller, improve the quality of the printed matter, and adjust the contact pressure between the doctor blade and the anilox roller under the elasticity of the spring, reduce the abrasion and deformation, and prolong the service life of the doctor blade and the anilox roller.

[0022] 2. The utility model discloses a setting of dismounting assembly, the doctor blade plate in the ink uniformity structure is replaced after being dismounted when the doctor blade plate is abraded and cracked, the adjusting assembly of the whole doctor blade does not need to be replaced, which helps to reduce the replacement cost, maintain the functionality of the doctor blade, and replace the doctor blade according to the needs of the operator, so as to adapt to different ink viscosity, improve the adaptability and flexibility of the printing equipment. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model provides a whole structure schematic diagram;

[0024] Figure 2 The utility model provides a chute structure schematic diagram;

[0025] Figure 3 The utility model provides a sliding block structure schematic diagram;

[0026] Figure 4 The utility model provides a rotating rod structure schematic diagram;

[0027] Figure 5 The utility model provides an installation rod structure schematic diagram;

[0028] Figure 6 The utility model provides a briquetting structure schematic diagram;

[0029] Figure 7 The utility model provides a fixed block structure schematic diagram.

[0030] LEGEND:

[0031] 1, mounting frame; 2, motor; 3, anilox roller; 4, printing roller; 5, fixed rod; 6, fixed box; 7, rotating rod; 8, threaded groove; 9, first bevel gear; 10, second bevel gear; 11, knob; 12, connecting block; 13, support rod; 14, mounting plate; 15, sliding block; 16, sliding groove; 17, connecting column; 18, pressing block; 19, mounting rod; 20, groove; 21, spring; 22, limit ring; 23, scraper plate; 24, fixed block; 25, hole slot; 26, mounting slot; 27, threaded hole; 28, stud; 29, twisting block. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] As shown in the accompanying Figures 1-7 An embodiment provided by the utility model: adjustable double scraper ink uniform structure, including mounting frame 1, one side of mounting frame 1 is fixedly installed with two motors 2, the output end of one of the two motors 2 is fixedly connected with anilox roller 3, the output end of the other motor 2 is fixedly connected with printing roller 4, the inside of mounting frame 1 is provided with adjusting assembly;

[0034] Adjusting assembly includes multiple fixed rods 5, multiple fixed rods 5 are fixedly connected at the inner wall two sides of mounting frame 1, two fixed rods 5 are fixedly connected with fixed box 6 between them, rotating rod 7 is rotatably connected in the inside of fixed box 6, threaded groove 8 is formed at the outside two ends of rotating rod 7 respectively, two threaded grooves 8 are oppositely arranged, fixed box 6 is used to install rotating rod 7 at the same time, the sliding of connecting block 12 is facilitated, thereby limiting the connecting block 12.

[0035] As shown in the accompanying Figure 4 The middle part of rotating rod 7 is fixedly connected with first bevel gear 9, the middle part of the inner wall of fixed box 6 is rotatably connected with second bevel gear 10, first bevel gear 9 and second bevel gear 10 are meshingly connected, the middle part of second bevel gear 10 is fixedly connected with knob 11, connecting block 12 is screwedly connected outside threaded groove 8, one side of connecting block 12 is hingedly connected with support rod 13, one end of two support rods 13 is hingedly connected with mounting plate 14, the threaded grooves 8 on both sides are oppositely arranged, support rod 13 facilitates the pushing or pulling of mounting plate 14, thereby playing a supporting role.

[0036] As shown in the accompanying Figure 3As shown, the two sides of the mounting plate 14 are fixedly connected with sliding blocks 15, which slide in the sliding grooves 16, so as to limit the mounting plate 14.

[0037] As shown in the accompanying drawings, Figure 2 As shown, the inner walls of the mounting frame 1 are provided with two sliding grooves 16 on the two sides, and the sliding blocks 15 are slidably connected in the sliding grooves 16. The sliding blocks 15 slide in the sliding grooves 16, so as to facilitate the stable movement of the mounting plate 14.

[0038] As shown in the accompanying drawings, Figure 6 As shown, the mounting plate 14 is provided on one side with a plurality of connecting columns 17, and one end of each connecting column 17 is fixedly connected with a pressing block 18. The mounting plate 14 is provided on one side with a mounting rod 19, and a plurality of recesses 20 are formed on one side of the mounting rod 19. The recesses 20 are fixedly connected with springs 21 inside, one end of each spring 21 is fixedly connected on one side of the pressing block 18, and the inner wall of each recess 20 is fixedly connected with a limiting ring 22 on one side. The limiting ring 22 is slidably connected outside the connecting column 17. The pressing block 18 is convenient for preventing the connecting column 17 from moving out of the inside of the limiting ring 22, and the spring 21 is helpful to absorb the pressure received by the scraper plate 23.

[0039] As shown in the accompanying drawings, Figure 7 As shown, the mounting rod 19 is provided on one side with a scraper plate 23, and the scraper plate 23 is provided on one side with a dismounting assembly. The dismounting assembly comprises two fixed blocks 24, which are fixedly connected on one side of the scraper plate 23. The upper surface of each fixed block 24 is provided with a hole slot 25, which is convenient for the insertion of one end of a stud 28.

[0040] As shown in the accompanying drawings, Figure 4 As shown, the mounting rod 19 is provided on one side with two mounting grooves 26, and the upper surface of the mounting rod 19 is provided with two threaded holes 27. The threaded holes 27 are threadedly connected with studs 28 inside, one end of each stud 28 is fixedly connected with a screw block 29, the mounting grooves 26 are used for mounting the fixed blocks 24, the threaded holes 27 are used for connecting the studs 28, and the screw blocks 29 are convenient for the rotation of the studs 28.

[0041] Working principle: in use, the ink box and delivery pipeline in the printing equipment are installed above the anilox roller 3, according to the ink transmission of the ink box, when the motor 2 drives the anilox roller 3 to rotate through the output end of the internal gearbox, the anilox roller 3 will contact the ink, so that the anilox roller 3 is stained with ink outside, when the anilox roller 3 rotates to the side of the doctor blade plate 23, the ink is scraped first by the upper doctor blade plate 23, so that the ink is squeezed into the groove of the anilox roller 3, and when rotating to the lower doctor blade plate 23, the ink outside the anilox roller 3 is further wiped flat, the uniformity of ink distribution is improved, and when wiping the anilox roller 3, the two doctor blade plates 23 are squeezed due to contact with the anilox roller 3, so that the doctor blade plates 23 are squeezed to the pressing block 18 and the connecting column 17 through the installation rod 19 under the action of the internal spring 21, so that the pressing block 18 slides in the recess 20, thereby absorbing the pressure generated when contacting;

[0042] When adjusting the distance between the anilox roller 3 and the doctor blade plate 23, the knob 11 is twisted to drive the second bevel gear 10 to rotate, which drives the first bevel gear 9 to rotate through the meshing with the first bevel gear 9, thereby driving the rotating rod 7 to rotate, which helps to drive the two connecting blocks 12 to move relatively or oppositely under the arrangement of the threaded groove 8, thereby driving the supporting rod 13 to rotate, when the sliding block 15 slides in the sliding groove 16 and the supporting rod 13 supports the mounting plate 14, it is convenient to adjust the position of the mounting plate 14, thereby adjusting the distance between the doctor blade plate 23 and the anilox roller 3;

[0043] When disassembling the doctor blade plate 23, the knob 29 is twisted to drive the stud 28 to be screwed out of the threaded hole 27, so that one end of the stud 28 is separated from the inside of the hole slot 25, the limiting of the fixing block 24 is released, then the doctor blade plate 23 is held and the fixing block 24 is pulled out of the installation slot 26, so that the doctor blade plate 23 is disassembled, and the operation is reversed during installation, thereby replacing the doctor blade plate 23.

[0044] Finally, it should be pointed out that: the above description is only preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An adjustable dual doctor blade inking structure comprising a mounting frame (1), characterized in that: One side of mounting frame (1) is fixedly provided with two motors (2), the output end of one motor (2) is fixedly connected with an anilox roller (3), the output end of the other motor (2) is fixedly connected with a printing roller (4), the inside of mounting frame (1) is provided with an adjusting assembly; The adjusting assembly comprises a plurality of fixed rods (5), a plurality of fixed rods (5) are fixedly connected on the inner wall of mounting frame (1), two fixed rods (5) are fixedly connected with a fixed box (6), the inside of fixed box (6) is rotatably connected with a rotating rod (7), the outer two ends of rotating rod (7) are respectively provided with threaded grooves (8), and the two threaded grooves (8) are oppositely arranged.

2. The adjustable dual doctor blade inking structure of claim 1, wherein: The middle part of rotating rod (7) is fixedly connected with a first bevel gear (9), the middle part of the inner wall of fixed box (6) is rotatably connected with a second bevel gear (10), the first bevel gear (9) and the second bevel gear (10) are connected in meshing mode, and the middle part of second bevel gear (10) is fixedly connected with a knob (11).

3. The adjustable dual doctor blade inking structure of claim 1, wherein: The outside of threaded groove (8) is threadedly connected with a connecting block (12), one side of connecting block (12) is hingedly connected with a supporting rod (13), one end of two supporting rods (13) is hingedly connected with a mounting plate (14), both sides of mounting plate (14) are fixedly connected with sliding blocks (15), and both sides of the inner wall of mounting frame (1) are respectively provided with two sliding grooves (16).

4. The adjustable dual doctor blade inking structure of claim 3, wherein: One side of mounting plate (14) is fixedly connected with a plurality of connecting columns (17), one end of connecting column (17) is fixedly connected with a pressing block (18), one side of mounting plate (14) is provided with a mounting rod (19), and one side of mounting rod (19) is provided with a plurality of recesses (20).

5. The adjustable dual doctor blade inking structure of claim 4, wherein: The inside of recess (20) is fixedly connected with a spring (21), one end of spring (21) is fixedly connected to one side of pressing block (18), one side of the inner wall of recess (20) is fixedly connected with a limiting ring (22), the limiting ring (22) is slidably connected to the outside of connecting column (17), and one side of mounting rod (19) is provided with a scraper plate (23).

6. The adjustable dual doctor blade inking structure of claim 5, wherein: One side of scraper plate (23) is provided with a dismounting assembly, the dismounting assembly comprises two fixed blocks (24), and the two fixed blocks (24) are fixedly connected to one side of scraper plate (23). The upper surface of fixed block (24) is provided with a hole groove (25).

7. The adjustable dual doctor blade inking structure of claim 4, wherein: One side of mounting rod (19) is provided with two mounting grooves (26), the upper surface of mounting rod (19) is provided with two threaded holes (27), the inside of threaded hole (27) is threadedly connected with a threaded column (28), and one end of threaded column (28) is fixedly connected with a screw block (29).

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