Ink throwing prevention type ink roller device of cigarette making machine

Abstract

The utility model discloses an ink throwing prevention type ink roller device of a cigarette making machine. The ink throwing prevention type ink roller device comprises an ink roller, an eccentric shaft and an adjusting support. The adjusting support is fixed to a printing system bottom plate, the eccentric shaft comprises a fixed section and an eccentric section which are not coaxial, the fixed section is connected to the adjusting support, and the ink roller is rotationally connected to the eccentric section; an ink distributing roller is further arranged on the printing system bottom plate and located beside the printing ink roller, and the ink distributing roller makes rolling contact with the printing ink roller so that the surfaces of the two rollers can be evenly coated with printing ink. The gap between the ink roller and the ink distributing roller can be adjusted by screwing the fixing section. According to the utility model, the residual ink groove is used for bearing redundant ink; the position of the ink roller can be conveniently and quickly adjusted through an adjustable support fixing mode; and the uniformity of ink transfer is improved, and the printing quality effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to cigarette making machine printing system technical field, more particularly, relate to a kind of cigarette machine anti-ink type ink roller device. BACKGROUND

[0002] The main function of printing system is to print clear company logo or brand mark and machine number on cigarette paper. According to the production process needs of each cigarette production enterprise, double-color printing system or single-color printing system can be configured, or printing system can not be configured.

[0003] Printing system is mainly composed of first paper feed roller, cigarette paper compensation device, second paper feed roller, first and second printing device, ink supply device and paper guide. Therefore, different printing trademark forms can be formed according to different combination forms of printing device.

[0004] The ink quantitatively sprayed from ink nozzle is first transmitted between ink roller and ink uniformizing roller, and then transmitted to ink transmission roller and printing roller (in fact, after ink is sprayed from nozzle, it first comes to ink roller, and ink droplets are uniformly coated by rotating ink roller and ink uniformizing roller).

[0005] In actual production, ink supply device provides sufficient ink for printing device. If ink supply device (including ink nozzle) is adjusted in place, the required ink of entire printing device can be met, and even the supply amount of ink is just right. However, due to unstable machine speed (frequent start and stop), improper adjustment of gap between rollers of printing device (although fixed gap is required, but each machine also has its own actual situation, which may not be consistent with fixed gap requirement), difference in ink quality (some inks have large viscosity and are thick, and some inks have small viscosity and are thin), internal component assembly of ink roller (bearing damage) and other reasons, ink droplets cannot be uniformly coated by ink roller and ink uniformizing roller, and in addition, the supply amount of ink is fixed, which causes ink to accumulate at ink roller and ink uniformizing roller, ink to be squeezed out from both sides of rollers and cause pollution, and steel seal trademark printed cigarette defects caused by uneven coating of ink and poor transmission effect.

[0006] Therefore, how to provide an anti-ink type ink roller device to provide transmission buffer, prevent excessive supply, avoid ink splashing phenomenon and improve printing effect during printing process, so as to realize uniform coating of ink transmission by ink roller, is a problem to be solved by those skilled in the art. UTILITY MODEL CONTENT

[0007] An object of the utility model is to provide a new technical solution of anti-ink type ink roller device of cigarette machine to solve the problems proposed in the above background.

[0008] According to the first aspect of the utility model, provide a cigarette machine prevent throwing ink formula ink roller device, including ink roller, eccentric shaft and adjustment support,

[0009] The adjustment support is fixed on the printing system bottom plate, the eccentric shaft includes fixed section and eccentric section not coaxial, the fixed section is connected on the adjustment support, the ink roller is rotatably connected on the eccentric section,

[0010] The printing system bottom plate is provided with an ink roller on the side of the ink roller, and the ink roller is in rolling contact with the ink roller to uniformly coat the ink on the surface of the two rollers.

[0011] Optionally, according to the cigarette machine prevent throwing ink formula ink roller device of the utility model, the ink roller includes a roller body and a rubber outer ring, the rubber outer ring is sleeved on the circumferential surface of the roller body, the central part of the roller body is provided with an intermediate shaft through hole, a bearing is embedded in the intermediate shaft through hole, the inner ring of the bearing is sleeved on the eccentric section, and the end of the eccentric section is provided with a knurled nut to fix the ink roller on the eccentric section.

[0012] Optionally, according to the cigarette machine prevent throwing ink formula ink roller device of the utility model, the bearing in the intermediate shaft through hole is provided with a plurality of hole elastic retainer rings between adjacent bearings, and a retainer groove is formed in the inner side wall of the intermediate shaft through hole for embedding the hole elastic retainer ring.

[0013] Optionally, according to the cigarette machine prevent throwing ink formula ink roller device of the utility model, the roller body is provided with a plurality of annular array flange holes on the side of the intermediate shaft through hole.

[0014] Optionally, according to the cigarette machine prevent throwing ink formula ink roller device of the utility model, the outer side surface of the rubber outer ring is provided with an ink residual groove, the ink residual groove is in V-shaped structure, and adjacent two ink residual grooves are spliced with each other.

[0015] Optionally, according to the cigarette machine prevent throwing ink formula ink roller device of the utility model, the adjustment support includes an integral support body and a shaft sleeve, a support through hole is formed in the shaft sleeve, the fixed section of the eccentric shaft is connected in the support through hole, a fixed groove is further arranged on the side of the shaft sleeve of the support body, and a screw connected with the printing system bottom plate is arranged in the fixed groove.

[0016] Optionally, the cigarette machine anti-swing ink type ink roller device, the lateral groove corresponding to the arc length angle is greater than 180°, and less than 270°.

[0017] Optionally, the cigarette machine anti-swing ink type ink roller device, the lateral groove corresponding to the arc length angle is greater than 180°, and less than 270°.

[0018] Optionally, the cigarette machine anti-swing ink type ink roller device, the lateral groove corresponding to the arc length angle is greater than 180°, and less than 270°.

[0019] Optionally, the cigarette machine anti-swing ink type ink roller device, the lateral groove corresponding to the arc length angle is greater than 180°, and less than 270°.

[0020] Compared with the prior art, the cigarette machine anti-swing ink type ink roller device has the following beneficial effects:

[0021] 1. The ink excess groove bears excess ink. Due to the operation of the machine, the ink roller and the ink distributing roller may not be able to uniformly apply ink drops due to various factors, and the supply of ink is fixed, which causes the ink to accumulate at the ink roller and the ink distributing roller, resulting in the phenomenon of ink being thrown out from both sides of the roller under the extrusion of the ink roller and the ink distributing roller, causing pollution. The ink excess groove can bear the excess ink at this time, avoiding such ink throwing phenomenon.

[0022] 2. The adjustable support fixing mode facilitates quick adjustment of the position of the ink roller. By providing a range-adjustable fixing groove on the adjusting support, the position of the adjusting support in the printing system can be adjusted. In combination with the eccentric adjustment of the eccentric shaft, the position of the ink roller relative to the ink distributing roller can be finely adjusted. The two adjustable fixing modes make the position adjustment of the ink roller more convenient and quick.

[0023] 3. Improve the uniformity of ink transmission and ensure the quality of printing. The device improves the design of the ink roller, making the transmission of ink between the ink roller and the ink distributing roller more uniform, ensuring the transmission effect between the rollers, and avoiding the problem of cigarette defects caused by the failure of the ink printing link.

[0024] Other features and advantages of the present application will become apparent from the following detailed description of exemplary embodiments thereof, taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0025] The drawings incorporated in the specification and forming a part thereof, illustrate embodiments of the present application, and together with the description, serve to explain the principles of the present application.

[0026] Figure 1 is a position diagram of an ink roller and a dampening roller in a printing system;

[0027] Figure 2 is a composition diagram of an anti-ink-splashing ink roller device;

[0028] Figure 3 is a structure diagram of an ink roller;

[0029] Figure 4 is an exploded view of the structure of the ink roller;

[0030] Figure 5 is a "V" shaped ink residue groove diagram;

[0031] Figure 6 is a position diagram of an adjusting support, eccentric shaft and knurled nut (front view);

[0032] Figure 7 is a position diagram of an adjusting support, eccentric shaft, knurled nut and pin (back view);

[0033] Figure 8 is a position diagram of an adjusting support and eccentric shaft;

[0034] Figure 9 is a structure diagram of an adjusting support;

[0035] Figure 10 is a structure diagram of an eccentric shaft.

[0036] Explanation of reference signs:

[0037] 1-ink roller; 2-adjusting support; 3-knurled nut; 4-eccentric shaft; 5-pin; 6-printing system base plate; 7-dampening roller;

[0038] 11-rubber outer ring; 12-ink residue groove; 13-roller body; 14-flange hole; 15-intermediate shaft through hole; 16-retaining ring groove; 17-hole elastic retaining ring; 18-end cover retaining ring;

[0039] 21-support body; 22-bush; 23-support through hole; 24-cross groove; 25-vertical groove; 26-fixing groove; 27-screw hole; 28-pin groove;

[0040] 41-fixing section; 42-eccentric section; 43-thread. DETAILED DESCRIPTION

[0041] Various exemplary embodiments of the present application will now be described in detail with reference to the drawings. Note that the relative arrangement of the components and steps, numerical expressions, and numerical values set forth in these embodiments are merely illustrative and do not limit the scope of the present application, unless otherwise specifically stated.

[0042] The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application or its application or uses.

[0043] Techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail herein, but should be considered as part of the description if appropriate.

[0044] In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary, and not as a limitation. Thus, other examples of the exemplary embodiments can have different values.

[0045] According to Figures 1 to 10 As shown in the drawings, the present application provides a cigarette machine anti-swing ink roller device, which comprises an ink roller 1, an eccentric shaft 4 and an adjusting support 2.

[0046] The adjusting support 2 is fixed on a printing system bottom plate 6, the eccentric shaft 4 comprises a fixed section 41 and an eccentric section 42 which are not coaxial, the fixed section 41 is connected to the adjusting support 2, and the ink roller 1 is rotatably connected to the eccentric section 42.

[0047] A uniform ink roller 7 is further arranged on the printing system bottom plate 6 beside the ink roller 1, the uniform ink roller 7 is in rolling contact with the ink roller 1 to uniformly coat ink on the surfaces of the two rollers, and the gap between the ink roller 1 and the uniform ink roller 7 can be adjusted by screwing the fixed section 41.

[0048] Further, the ink roller 1 comprises a roller body 13 and a rubber outer ring 11, the rubber outer ring 11 is sleeved on the circumferential surface of the roller body 13, the central part of the roller body 13 is provided with a middle shaft through hole 15, a bearing is embedded in the middle shaft through hole 15, the inner ring of the bearing is sleeved on the eccentric section 42, and the end of the eccentric section 42 is provided with a knurled nut 3 to fix the ink roller 1 on the eccentric section 42.

[0049] In the embodiment, the eccentric section 42 of the eccentric shaft 4 passes through the middle shaft through hole 15 of the ink roller 1, and the knurled nut 3 is limitingly fixed at the end of the eccentric section 42 of the eccentric shaft 4. The roller body 13 is the core component of the ink roller 1, the rubber outer ring 11 is wrapped on the outer surface of the roller body 13, and the rubber outer ring 11 constitutes the outer surface of the ink roller 1; the rubber outer ring 11 is in direct contact with the uniform ink roller 7, since the uniform ink roller 7 is made of steel, the effect of transferring ink of the rubber outer ring 11 and the steel uniform ink roller 7 is better than that of two steel rollers, and the ink can be more uniformly coated on the surfaces of the two rollers.

[0050] Further, a plurality of bearings are arranged in the intermediate shaft through hole 15, and a hole elastic retainer 17 is arranged between adjacent bearings. A retainer groove 16 is formed in the inner side wall of the intermediate shaft through hole 15 for embedding the hole elastic retainer 17. An end cover retainer 18 is arranged on the outer side of the bearings at both ends to seal the bearings in the intermediate shaft through hole 15.

[0051] In the present embodiment, two retainer grooves 16 are formed inside the intermediate shaft through hole 15 with the center of the roller body 13 as the reference. On the intermediate shaft through hole 15, with the center of the roller body 13 as the symmetry plane, from the outside, the hole elastic retainer 17, the bearing, and the end cover retainer 18 are arranged from inside to outside. The hole elastic retainer 17 is embedded in the retainer groove 16, the bearing is in close contact with the hole elastic retainer 17, and the end cover retainer 18 is in close contact with the bearing. After assembly, the outer surface of the end cover retainer 18 is flush with the outer surface of the intermediate shaft through hole 15. The bearing and the end cover retainer 18 have a hole in the center, and the eccentric section 42 of the eccentric shaft 4 passes through the center hole. In particular, the outer diameter of the bearing and the end cover retainer 18 is the same as the diameter of the intermediate shaft through hole 15, and the diameter of the center hole of the bearing and the end cover retainer 18 is the same as the diameter of the eccentric section 42 of the eccentric shaft 4. The knurled nut 3 has an internal threaded hole on the back, which matches the thread 43 of the eccentric shaft 4, and the knurled nut 3 serves as a limiting and fixing function.

[0052] Further, a plurality of annular flange holes 14 are arranged beside the roller body 13 in the intermediate shaft through hole 15. The middle part of the roller body 13 has six flange holes 14, which can remove part of the weight of the roller body 13, making the rotation of the ink roller 1 more secure.

[0053] Further, the outer side surface of the rubber outer ring 11 is provided with an ink residual groove 12, which has a V-shaped structure, and adjacent two ink residual grooves 12 are spliced with each other.

[0054] In the present embodiment, the outer surface of the rubber outer ring 11 is recessed with an ink residual groove 12 with a depth of 1-2 mm, and the excess ink between the ink roller 1 and the ink distributing roller 7 is carried by the ink residual groove 12 due to the extrusion between the two rollers, avoiding the phenomenon of ink being thrown out due to excess and poor printing due to poor transmission. The ink residual grooves 12 are evenly distributed on the left and right sides of the rubber outer ring 11, forming ten "V" shapes. When the ink in the ink residual groove 12 is too much, only the knurled nut 3 needs to be unscrewed, and the ink roller 1 can be removed and cleaned.

[0055] Further, the adjusting support 2 comprises an integral support body 21 and a shaft sleeve 22, the shaft sleeve 22 is provided with a support through hole 23, the fixed section 41 of the eccentric shaft 4 is connected in the support through hole 23, and the support body 21 is further provided with a fixing groove 26 on the side of the shaft sleeve 22, and the fixing groove 26 is provided with a screw connected with the printing system base plate 6.

[0056] Further, the shaft sleeve 22 is provided with an uncut horizontal groove 24 on the side and a vertical groove 25 extending to the support through hole 23, the vertical groove 25 is located at the center line of the horizontal groove 24, and the shaft sleeve 22 is provided with screw holes 27 on the two sides of the vertical groove 25, the screw holes 27 are perpendicular to the vertical groove 25, and the screw holes 27 are provided with fastening screws to adjust the distance of the vertical groove 25. The arc length angle corresponding to the horizontal groove 24 is greater than 180° and less than 270°.

[0057] In the embodiment, the fixed section 41 of the eccentric shaft 4 passes through the shaft sleeve 22 and the support through hole 23 of the support body 21 and is fastened by the screws in the screw holes 27. The cooperation of the horizontal groove 24 and the vertical groove 25 forms a part of the outside of the shaft sleeve 22 which can fasten the central shaft, and the screws in the screw holes 27 can clamp the two sides of the vertical groove 25, so that the fixed section 41 of the eccentric shaft 4 is fixed on the adjusting support 2.

[0058] Further, the fixing groove 26 is a waist-shaped groove structure. The screws are fixed in different positions of the fixing groove 26 on the support body 21, so as to adjust the position of the ink roller 1 relative to the printing system base plate 6 and the ink roller 7. When the position of the adjusting support 2 is adjusted, the back of the support body 21 is provided with a pin groove 28, two pins 5 are fixed on the printing system base plate 6 at one end and inserted into the pin groove 28 at the other end, which plays a positioning role.

[0059] Further, the side of the support body 21 close to the printing system base plate 6 is further provided with a pin groove 28, the pin groove 28 is provided with at least two pins 5, and the printing system base plate 6 is provided with a positioning groove matched with the pins 5.

[0060] When the device is used, first, the two pins 5 are inserted into the pin groove 28 to keep the adjusting support 2 adjustable in the fixed direction. After the approximate positions of the ink roller 1, the printing system base plate 6 and the ink roller 7 are adjusted, the adjusting support 2 is fixed on the printing system base plate 6 by the screws passing through the fixing groove 26. The fixed section 41 of the eccentric shaft 4 is inserted into the support through hole 23 of the adjusting support 2, and the eccentric section 42 is inserted into the center of the ink roller 1. After the angle of the eccentric shaft 4 is adjusted and the positions of the ink roller 1 and the ink roller 7 are finely adjusted, the eccentric shaft 4 is fixed on the adjusting support 2 by the screws passing through the screw holes 27. The knurled nut 3 limits and fastens the ink roller 1 on the eccentric shaft 4. The ink roller 1 rotates around the eccentric section 42 of the eccentric shaft 4.

[0061] After the ink roller 1 takes out the ink, the ink is evenly coated on the surface of the two rollers with the cooperation of the ink roller 7. Due to the actual operation of the machine, when the ink in the ink roller 1 and the ink roller 7 is excessive, the ink excess tank 12 will carry the excessive ink. In this way, it can be ensured that during the printing process, the whole device can provide transmission buffer, prevent excessive supply, avoid ink throwing phenomenon and improve printing effect.

[0062] Although some specific embodiments of the present application have been described in detail by examples, those skilled in the art should understand that the above examples are only for illustration, not for limiting the scope of the present application. Those skilled in the art should understand that the above embodiments can be modified without departing from the scope and spirit of the present application. The scope of the present application is defined by the appended claims.

Claims

1. A cigarette maker anti-sling ink roller device, characterized by, The eccentric shaft and the adjusting support; The adjusting support is fixed on a printing system base plate, the eccentric shaft comprises a fixed segment and an eccentric segment which are not coaxial, the fixed segment is connected to the adjusting support, and the ink roller is rotatably connected to the eccentric segment; The printing system base plate is provided with an ink distributing roller beside the ink roller, the ink distributing roller is in rolling contact with the ink roller to uniformly coat ink on the surfaces of the two rollers, and the gap between the ink roller and the ink distributing roller can be adjusted by screwing the fixed segment; The ink roller comprises a roller body and a rubber outer ring, the rubber outer ring is sleeved on the circumferential surface of the roller body, the central part of the roller body is provided with an intermediate shaft through hole, a bearing is embedded in the intermediate shaft through hole, the inner ring of the bearing is sleeved on the eccentric segment, and the end of the eccentric segment is provided with a knurled nut to fix the ink roller on the eccentric segment.

2. The anti-flinging ink roller device of the cigarette making machine according to claim 1, characterized in that, The bearing in the intermediate shaft through hole is provided with a plurality of hole elastic retainer rings between adjacent bearings, and a retainer groove is formed in the inner side wall of the intermediate shaft through hole for embedding the hole elastic retainer ring.

3. The anti-sling ink roller device for a cigarette making machine according to claim 2, characterized in that, The roller body is provided with a plurality of annular flange holes beside the intermediate shaft through hole.

4. The anti-flinging ink roller device of the cigarette making machine according to claim 1, characterized in that, The outer side surface of the rubber outer ring is provided with an ink residual groove, the ink residual groove has a V-shaped structure, and adjacent two ink residual grooves are spliced with each other.

5. The anti-sling ink roller device for a cigarette making machine according to any one of claims 1 to 4, characterized in that, The adjusting support comprises an integral support body and a shaft sleeve, a support through hole is formed in the shaft sleeve, the fixed segment of the eccentric shaft is connected in the support through hole, a fixing groove is formed in the support body beside the shaft sleeve, and a screw connected with the printing system base plate is arranged in the fixing groove.

6. The anti-flinging ink roller device of the cigarette making machine according to claim 5, characterized in that, A non-truncated horizontal groove is formed beside the shaft sleeve, and a vertical groove extending to the support through hole is formed, the vertical groove is located at the center line of the horizontal groove, screw holes are formed on both sides of the vertical groove of the shaft sleeve, the screw holes are perpendicular to the vertical groove, fastening screws are arranged in the screw holes to adjust the distance of the vertical groove.

7. The anti-flinging ink roller device of the cigarette making machine according to claim 6, characterized in that, The arc length angle corresponding to the horizontal groove is greater than 180° and less than 270°.

8. The anti-flinging ink roller device of the cigarette making machine according to claim 5, characterized in that, The fixing groove has a waist-shaped groove structure.

9. The anti-flinging ink roller device of the cigarette making machine according to claim 5, characterized in that, A pin slot is formed on the side of the support body close to the printing system base plate, at least two pins are arranged in the pin slot, and a positioning groove matched with the pins is arranged on the printing system base plate.

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