Picture album printing device facilitating pigment switching

Abstract

The utility model discloses a picture album printing device convenient for pigment switching, which adopts a three-roller vertical layout structure and is provided with a printing roller, a transfer printing roller and a printing roller from top to bottom, a picture album to be printed horizontally passes through an impressing gap formed by the transfer printing roller and the printing roller to complete transfer printing, and a plurality of independent material box bins are distributed in the printing roller along the circumferential direction in an array manner. An ink outlet roller parallel to the axis of a roller body is arranged in each bin, a transfer printing roller on the surface of the ink outlet roller rolls in a contact mode, each material box bin can contain a pigment box, pigment is transferred to the surface of the transfer printing roller after making rolling contact with the ink outlet roller through a discharging port, the ink outlet rollers of different material box bins are switched to make contact with the transfer printing roller by rotating the printing roller, and rapid pigment switching is achieved. A mechanical interlocking structure of a brake bolt and a limiting hole is used, the color crossing phenomenon caused by the reverse acting force of the transfer printing roller is eliminated at the moment of color cell switching, residual pigment on the surface of the transfer printing roller is cleaned through a brush at the moment of color cell switching, and pollution caused by superposition of multiple colors is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to material printing technical field, concretely to a picture book printing device convenient to switch pigment. BACKGROUND

[0002] In the utility model discloses a color can be quickly switched printing device, belong to material printing technical field, its technical scheme main points are a color can be quickly switched printing device, including crawler belt conveying device, the rear of crawler belt conveying device top fixedly connected with ink brush device, the front of crawler belt conveying device top fixedly connected with printing color changing device. The quick color changing device includes the middle pivot, one end of the middle pivot is welded with the same frequency disc, the side surface of same frequency disc is welded with three connecting blocks, one end of three connecting blocks is welded with ink box, the top of three ink boxes is fixedly connected with the ink-soaked wet cotton, the other end of middle pivot is welded with linkage chain, the bottom of the front of linkage chain is fixedly connected with handle rotating disc. Advantage is: the utility model discloses a ink brush device, utilize the brush of ink brush to rotate and take out the ink in ink box and give printing plate brush ink, and the brush of ink brush is not ceaseless rotation, and ceaseless coloring printing plate is favorable to improve the quality of printing, avoids the problem that the ink of printing plate is insufficient because of multiple printing, and figure and text are not shown.

[0003] In the patent or prior art including the above, the operator first applies pigment on the surface of the printing roller, and realizes the secondary transfer of the pigment through the contact type rolling of the printing manuscript and the transfer roller. A printing roller is arranged in parallel below the transfer roller. The printed picture book passes through the impression gap between the transfer roller and the printing roller in the horizontal direction, and the pattern transfer is completed by mechanical pressure. Then, since the surface of the transfer roller can only carry a single pigment layer, when multi-color printing is required, multiple independent ink application-transfer processes must be implemented. This repetitive operation not only greatly reduces the work efficiency and increases the frequency of manual intervention, but also causes cumulative errors due to multiple overprinting, which seriously affects the color reproduction and pattern alignment accuracy of the printed product. UTILITARY MODEL

[0004] The utility model aims at providing a picture book printing device convenient to switch pigment to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a picture book printing device convenient to switch pigment, comprising: a rack, a printing roller, a transfer roller and a printing roller;

[0006] The printing roller, transfer roller and substrate roller are arranged vertically from top to bottom. The two ends of the printing roller, transfer roller and substrate roller are connected to the frame on both sides respectively. The picture book to be printed passes through the printing gap formed between the transfer roller and substrate roller in the horizontal direction, and the pattern is transferred by mechanical pressure.

[0007] The printing roller has multiple ink cartridges arranged in a circumferential array inside. Each ink cartridge is parallel to the long axis of the printing roller. An ink delivery roller is located at the end of the ink cartridge closest to the printing roller. The two ends of the ink delivery roller are located at the two ends of the printing roller. Each ink cartridge can hold one pigment cartridge. The outlet of the pigment cartridge is tumblingly connected to the ink delivery roller. The surface of the ink delivery roller protrudes from the printing roller. The ink delivery roller and the transfer roller can be in contact and tumbling connection, so that the pigment is transferred from the pigment cartridge to the transfer roller. By rotating the printing roller, the contact between the ink delivery roller and the transfer roller in different ink cartridges can be switched, thereby realizing the rapid switching of different pigments.

[0008] Furthermore, multiple limiting holes are circumferentially arranged on the outer surface of the printing roller near the frame. Each limiting hole is equidistantly arranged between two adjacent ink output rollers. The limiting holes have an arc-shaped groove structure, and the groove depth of the limiting holes gradually increases along the rotation direction of the transfer roller. The first end of the limiting hole is perpendicular to the surface of the printing roller, and the second end of the limiting hole is located on the surface of the printing roller.

[0009] Furthermore, a brake bolster is provided on the side of the frame near the limiting hole. The tail end of the brake bolster is fixedly connected to the frame, and the head end of the brake bolster is arc-shaped and located in the limiting hole. When the tail end of the brake bolster is in contact with the first end of the limiting hole, it prevents the printing roller from rotating due to the reaction force of the transfer roller. The arc shape of the head end of the brake bolster matches the arc shape of the limiting hole, so that the head end of the brake bolster can leave the limiting hole from the second end of the limiting hole.

[0010] Furthermore, a spring is provided on the brake bolt. When the limiting hole leaves the brake bolt, the spring causes the brake bolt to adhere tightly to the surface of the printing roller. When the next limiting hole slides to the brake bolt, the spring causes the brake bolt to fall instantly into the limiting hole.

[0011] Furthermore, a brush is provided between the second end of each ink output roller and each limiting hole, with the two ends of the brush located on the two ends of the printing roller, and the brush being parallel to the axis of the printing roller.

[0012] Furthermore, one side of the frame has a through hole, and one end of the printing roller has a groove that passes through the shaft. A connecting rod is located in the center of the groove, inside the through hole, and a handwheel is fixedly connected to the connecting rod.

[0013] Furthermore, a handle is provided at one end of the paint box, the handle is on the same side as the handwheel and is located inside the through hole.

[0014] Compared with the prior art, the picture book printing device convenient for switching pigments has the following advantages:

[0015] (1) The technical scheme is characterized in that a plurality of independent cartridge bins are arranged in the printing roller, the cartridge bin can accommodate a pigment cartridge, an ink outlet roller is arranged in each cartridge bin, the ink outlet roller is in contact with the pigment cartridge, the pigment is transferred to the surface of the printing roller through the contact and rolling of the printing roller and the ink outlet roller, the mechanical interlocking structure of the locking bolt and the limiting hole can complete color group switching and locking in a short time, and the risk of color mixing caused by the reverse force of the printing roller is completely eliminated, in addition, the modular cartridge bin supports hot plugging and replacement, and the staff can supplement or replace the pigment without stopping the machine, so that the maintenance time is shortened, and the end loss in production is significantly reduced.

[0016] (2) The technical scheme is characterized in that a brush parallel to the printing roller axis is arranged on one side of each limiting hole, the brush is in dynamic contact with the surface of the printing roller, and the pigment particles remaining on the surface of the printing roller are stripped through the centrifugal force and the brush, the old ink layer on the printing roller is completely removed before switching a new color group, the multi-color pigment is prevented from being superimposed and polluted, the brush is linked with the locking bolt, and when the pigment needs to be switched, the printing roller is reversely rotated, the brush cleans the printing roller at the moment of color group switching, and the additional energy consumption caused by the traditional independent cleaning device is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0018] Figure 2 It is a three-dimensional structure schematic view of the printing roller, the printing roller and the printing roller of the utility model;

[0019] Figure 3 It is a three-dimensional structure schematic view of the printing roller of the utility model;

[0020] Figure 4 It is a three-dimensional structure schematic view of the printing roller of the utility model; Figure 3

[0021] Figure 5 It is a three-dimensional structure schematic view of the printing roller of the utility model;

[0022] Figure 6 It is a three-dimensional structure schematic view of the pigment cartridge of the utility model;

[0023] Figure 7 It is a structure schematic view of the hand wheel of the utility model;

[0024] ​In the figure: 1, rack; 2, transfer roller; 3, printing roller; 31, ink roller; 32, cartridge bin; 33, limiting hole; 34, brush; 35, hand wheel; 36, connecting rod; 4, impression roller; 5, pigment box; 51, handle; 52, discharge port; 6, brake pin; 61, spring. DETAILED DESCRIPTION

[0025] 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 protection scope of the utility model.

[0026] Please refer to Figures 1-7 The utility model provides a technical scheme:

[0027] Embodiment 1:

[0028] Provide a kind of picture album printing device for facilitating switching pigment, it include: rack 1, printing roller 3, transfer roller 2 and impression roller 4;

[0029] Printing roller 3, transfer roller 2 and impression roller 4 are sequentially arranged in vertical direction from top to bottom, both ends of printing roller 3, transfer roller 2 and impression roller 4 are connected with the rack 1 of both sides respectively, and the impression gap between transfer roller 2 and impression roller 4 is formed along horizontal direction by the picture album to be printed, and pattern transfer is completed by mechanical pressure;

[0030] The inside of printing roller 3 is distributed with multiple cartridge bins 32 along the circumference, each cartridge bin 32 is parallel to the long axis of printing roller 3, the end of cartridge bin 32 close to printing roller 3 is provided with ink roller 31, both ends of ink roller 31 are located on both ends of printing roller 3 respectively, each cartridge bin 32 can accommodate a pigment box 5, the discharge port 52 of pigment box 5 is rollingly connected with ink roller 31, the surface of ink roller 31 protrudes from printing roller 3, ink roller 31 is rollingly connected with transfer roller 2 in contact mode, so that pigment is transferred from pigment box 5 to transfer roller 2 for the second time, by rotating printing roller 3, ink roller 31 in different cartridge bins 32 can be contacted with transfer roller 2, so that the rapid switching of different pigments is realized.

[0031] The outer surface of the end of printing roller 3 close to rack 1 is provided with multiple limiting holes 33 along the circumference, each limiting hole 33 is equidistantly arranged between two adjacent ink rollers 31, limiting hole 33 is in arc groove structure, the groove depth of limiting hole 33 gradually increases along the rotation direction of transfer roller 2, the first end of limiting hole 33 is perpendicular to the surface of printing roller 3, and the second end of limiting hole 33 is located on the surface of printing roller 3.

[0032] A brake bolt 6 is arranged on the rack 1 near one side of the limiting hole 33, the tail end of the brake bolt 6 is fixedly connected with the rack 1, the head end of the brake bolt 6 is arc-shaped and located in the limiting hole 33, when the tail end of the brake bolt 6 is in contact with the first end of the limiting hole 33, the rotation of the printing roller 3 due to the reaction force of the transfer roller 2 can be prevented, the arc-shaped head end of the brake bolt 6 matches the arc-shaped limiting hole 33, so that the head end of the brake bolt 6 can be separated from the limiting hole 33 from the second end of the limiting hole 33.

[0033] A spring 61 is arranged on the brake bolt 6, when the limiting hole 33 is separated from the brake bolt 6, the spring 61 makes the brake bolt 6 tightly contact the surface of the printing roller 3, when the next limiting hole 33 slides to the brake bolt 6, the spring 61 makes the brake bolt 6 fall into the limiting hole 33.

[0034] A brush 34 is arranged between each ink outlet roller 31 and the second end of each limiting hole 33, both ends of the brush 34 are located on both ends of the printing roller 3 respectively, the brush 34 is parallel to the axis of the printing roller 3.

[0035] One side of the rack 1 has a through hole penetrating through the rack 1, one end of the printing roller 3 is provided with a groove penetrating through the axis, a connecting rod 36 is arranged at the center of the groove, the connecting rod 36 is located in the through hole, and a hand wheel 35 is fixedly connected with the connecting rod 36.

[0036] One end of the pigment box 5 is provided with a handle 51, the handle 51 is located on the same side of the hand wheel 35 and located in the through hole.

[0037] Working principle: first, the operator uses the device, first places the to-be-printed picture book in the printing gap between the transfer roller 2 and the impression roller 4 along the horizontal direction, then pours different pigments into the interior of each pigment box 5 through the discharge port 52 of each pigment box 5, when the pigments in the interior of each pigment box 5 are filled, the operator holds the handle 51 at one end of each pigment box 5 and places each pigment box 5 from the through hole on one side of the rack 1 into each box bin 32 in the interior of the printing roller 3;

[0038] The rotating printing roller 3 opposite to the rotating direction of the transfer roller 2 rotates the pigment to be used to the lowermost part of the printing roller, at this time, the brake bolt 6 clamps the limiting hole 33, preventing the printing roller 3 from rotating synchronously with the transfer roller 2 due to the reaction force of the transfer roller 2, at this time, the ink outlet roller 31 directly below rotates synchronously with the transfer roller 2, and the rotating ink outlet roller 31 continuously transfers the pigment in the pigment box 5 to the surface of the transfer roller 2;

[0039] When the color needs to be switched, the hand wheel 35 at one end of the printing roller 3 is rotated in the same direction as the rotation direction of the transfer roller 2, so that the stop pin 6 is separated from the limiting hole 33 at the second end of the limiting hole 33, the spring 61 on the stop pin 6 enables the stop pin 6 to tightly fit the surface of the printing roller 3 when the stop pin 6 is separated from the limiting hole 33, the brush 34 is rotated to contact the transfer roller 2 when the hand wheel 35 is rotated, the brush 34 peels off the pigment particles remaining on the surface of the transfer roller 2, the old ink layer on the transfer roller 2 is removed, the ink outlet roller 31 of the color to be switched is rotated to be directly below the printing roller 3, at this time the stop pin 6 and the limiting hole 33 are mechanically locked to prevent the printing roller 3 from being rotated by the transfer roller 2, the new color is transferred from the discharge port 52 of the pigment box 5 to the surface of the transfer roller 2, and the switching of the color group is completed.

[0040] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A picture album printing device that facilitates the switching of pigments, characterized in that, include: The frame (1), printing roller (3), transfer roller (2) and substrate roller (4); The printing roller (3), the transfer roller (2) and the receiving roller (4) are arranged vertically from top to bottom. The two ends of the printing roller (3), the transfer roller (2) and the receiving roller (4) are respectively connected to the frame (1) on both sides. The picture book to be printed passes through the printing gap formed between the transfer roller (2) and the receiving roller (4) in the horizontal direction, and the pattern transfer is completed by mechanical pressure. The printing roller (3) has multiple material box compartments (32) arranged in a circumferential array inside. Each material box compartment (32) is parallel to the long axis of the printing roller (3). An ink delivery roller (31) is provided at one end of the material box compartment (32) near the printing roller (3). The two ends of the ink delivery roller (31) are located at the two ends of the printing roller (3). Each material box compartment (32) can accommodate one pigment box (5). The outlet (52) of the pigment box (5) is tumblingly connected to the ink delivery roller (31). The surface of the ink delivery roller (31) protrudes from the printing roller (3). The ink delivery roller (31) and the transfer roller (2) can be tumblingly connected in contact, so that the pigment is transferred from the pigment box (5) to the transfer roller (2) for a second time. By rotating the printing roller (3), the contact between the ink delivery roller (31) in different material box compartments (32) and the transfer roller (2) can be switched, thereby realizing the rapid switching of different pigments.

2. The album printing apparatus for easy pigment switching according to claim 1, characterized in that, The printing roller (3) has a plurality of limiting holes (33) circumferentially arranged on the outer surface of one end near the frame (1). Each limiting hole (33) is equidistantly arranged between two adjacent ink output rollers (31). The limiting hole (33) has an arc-shaped groove structure. The groove depth of the limiting hole (33) gradually increases along the rotation direction of the transfer roller (2). The first end of the limiting hole (33) is perpendicular to the surface of the printing roller (3), and the second end of the limiting hole (33) is located on the surface of the printing roller (3).

3. The album printing apparatus for easy pigment switching according to claim 2, characterized in that, A brake bolt (6) is provided on the side of the frame (1) near the limiting hole (33). The tail end of the brake bolt (6) is fixedly connected to the frame (1). The head end of the brake bolt (6) is arc-shaped and located in the limiting hole (33). When the tail end of the brake bolt (6) is in contact with the first end of the limiting hole (33), it prevents the printing roller (3) from rotating due to the reaction force of the transfer roller (2). The arc shape of the head end of the brake bolt (6) matches the arc shape of the limiting hole (33), so that the head end of the brake bolt (6) can leave the limiting hole (33) from the second end of the limiting hole (33).

4. The picture album printing device for easy pigment switching according to claim 3, characterized in that, A spring (61) is provided on the brake bolt (6). When the limiting hole (33) leaves the brake bolt (6), the spring (61) causes the brake bolt (6) to stick to the surface of the printing roller (3). When the next limiting hole (33) slides to the brake bolt (6), the spring (61) causes the brake bolt (6) to fall into the limiting hole (33) instantly.

5. A picture album printing device for easy pigment switching according to claim 3, characterized in that, A brush (34) is provided between the second end of each ink output roller (31) and each limiting hole (33). The two ends of the brush (34) are located on the two ends of the printing roller (3) respectively, and the brush (34) is parallel to the axis of the printing roller (3).

6. The album printing apparatus for easy pigment switching according to claim 1, characterized in that, The frame (1) has a through hole on one side, and the printing roller (3) has a groove through the axis at one end. A connecting rod (36) is provided at the center of the groove. The connecting rod (36) is located inside the through hole, and a handwheel (35) is fixedly connected to the connecting rod (36).

7. A picture album printing apparatus for easy pigment switching according to claim 6, characterized in that, A handle (51) is provided at one end of the pigment box (5), the handle (51) is on the same side as the handwheel (35) and the handle (51) is located inside the through hole.

Images