Printing ink supply device and printing mechanism
By introducing a filter mesh and baffle structure into the printing ink supply device, the printing quality problems caused by large particles of impurities in the ink are solved, and the purity of the ink and the printing quality are improved.
Patent Information
- Application Number
- CN202422366158.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-09-27
AI Technical Summary
In the ink supply device of existing printing presses, large particles of impurities in the ink cause printing quality problems, including cutting wires and missing printing during printing, and the scrap rate is high.
A printing ink supply device is designed, including an ink bucket and a filter box. A filter mesh is provided at the bottom of the filter box to filter out large particles of impurities in the ink, and to separate the inner space of the ink bucket through a baffle to block precipitates and ink bubbles and improve the purity of the ink.
Through the design of the filter and baffle, large particles of impurities in the ink are effectively filtered out, printing quality and product qualification rate are improved, and printing waste rate is reduced.
Smart Images
Figure CN223072148U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of ink printing, in particular to an ink supply device for printing and a printing mechanism. Background Art
[0002] Ink is an important material for printing. It shows patterns and words on the printing substrate through printing or spraying. It is used for various printing such as books, packaging and decoration, architectural decoration, and electronic circuit boards. Currently, the ink supply device of a printing machine pumps the ink from an ink bucket into an ink tray by a circulation pump, provides ink for the plate cylinder in the ink tray, and the ink in the ink tray then flows back into the ink bucket to achieve the recycling of the ink.
[0003] During printing, due to the high-speed rotation of the plate cylinder, the pigment particles wrapped in the original resin in the ink are damaged, and the pigment particles cluster together to form large-particle foreign matters. Also, during the printing process, large-particle foreign matters in the environment and raw materials are easily brought into the ink, which will cause quality problems such as knife lines and missing printing in printing, and the printing waste rate is high.
[0004] Therefore, there is an urgent need to provide an ink supply device for printing and a printing mechanism to solve the above problems. Summary of the Utility Model
[0005] One object of the utility model is to provide an ink supply device for printing, which can filter out large-particle impurities in the ink and improve the printing quality.
[0006] Another object of the utility model is to provide a printing mechanism, which can filter out large-particle impurities in the ink and improve the printing quality.
[0007] To achieve the above object, the utility model adopts the following technical solutions:
[0008] The ink supply device for printing includes:
[0009] An ink bucket, the interior of which is used to contain ink, and the top of the ink bucket is provided with an ink outlet and a return ink port arranged at intervals;
[0010] A filter box, arranged at the top end inside the ink bucket, the top of the filter box is provided with an opening which is directly opposite and communicated with the return ink port, and the bottom of the filter box has a filter net.
[0011] As an optional scheme, the filter mesh number of the filter net is 150 mesh.
[0012] As an optional scheme, the filter box is detachably arranged inside the ink bucket.
[0013] As an alternative solution, a first baffle is provided inside the ink bucket. The first baffle stands on the bottom inside the ink bucket and divides the internal space of the ink bucket into a first cavity and a second cavity. The filter box is located in the first cavity. A first channel communicating the first cavity and the second cavity is formed between the upper part of the first baffle and the ink bucket.
[0014] As an alternative solution, the height of the first baffle is half of the height of the ink bucket.
[0015] As an alternative solution, a second baffle is provided in the second cavity. The second baffle stands on the top inside the ink bucket and is opposite to the first channel. The second baffle divides the second cavity into an intermediate cavity and an ink outlet cavity. The intermediate cavity is located between the first cavity and the ink outlet cavity. A second channel communicating the intermediate cavity and the ink outlet cavity is formed between the lower part of the second baffle and the ink bucket. The ink outlet is communicated with the ink outlet cavity.
[0016] As an alternative solution, the ink bucket has a cubic structure.
[0017] As an alternative solution, a handle is provided on the outer side of the ink bucket.
[0018] As an alternative solution, universal wheels are provided at the four corner positions of the bottom of the ink bucket.
[0019] A printing mechanism, including the above printing ink supply device.
[0020] Advantages of the present utility model:
[0021] The present utility model provides a printing ink supply device. When the ink in the ink tray flows into the ink bucket through the ink return port, it first passes through the filter screen at the bottom of the filter box for filtration and then flows into the ink bucket. The filter screen can filter out large particle impurities in the ink, improve the purity of the ink, better ensure the quality of printed products, and improve the product qualification rate.
[0022] The present utility model also provides a printing mechanism. By setting the above printing ink supply device, large particle impurities in the ink can be filtered out, and the printing quality can be improved. Description of the Drawings
[0023] Figure 1 is a schematic structural diagram of the printing ink supply device provided by the present utility model.
[0024] In the figure:
[0025] 10. Ink bucket; 11. First cavity; 12. First channel; 13. Intermediate cavity; 14. Ink outlet cavity; 15. Second channel; 20. Filter box; 21. Filter screen; 30. First baffle; 40. Second baffle; 50. Handle; 60. Universal wheel. Detailed implementation manners
[0026] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the sake of description, only the parts related to the present utility model are shown in the drawings, rather than all the structures.
[0027] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0028] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "above", and "on the top" of the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "below", and "under the bottom" of the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.
[0029] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "right", etc. are based on the orientation or positional relationships shown in the drawings. It is only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be understood as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meanings.
[0030] This embodiment provides a printing ink supply device and a printing mechanism. Specifically, the printing mechanism includes an ink pan, a plate cylinder for printing, and the above-mentioned printing ink supply device. The plate cylinder is rotatably arranged above the ink pan, the printing ink supply device is arranged below the ink pan, the ink outlet of the printing ink supply device is communicated with the ink pan through an ink supply pipe, a circulation pump is communicated with the ink supply pipe, and the return groove of the ink pan is further communicated with the ink return port of the printing ink supply device through an ink return pipe. During the printing process, the ink in the printing ink supply device is pumped into the ink pan by the circulation pump through the ink supply pipe to provide ink for the plate cylinder in the ink pan for printing, and the ink in the return groove of the ink pan is then returned to the printing ink supply device through the ink return pipe, so as to realize the recycling of the ink. Among them, the structures for printing such as the ink pan and the plate cylinder in the printing mechanism all belong to the prior art and will not be elaborated here.
[0031] During printing, due to the high-speed rotation of the plate cylinder, the pigment particles wrapped in the original resin in the ink are damaged, and the pigment particles agglomerate with each other to form large-particle foreign matters. Also, during the printing process, large-particle foreign matters in the environment and raw materials are easily brought into the ink, which will cause quality problems such as knife lines and missing prints in printing, and the printing rejection rate is high.
[0032] To solve the above problems, as Figure 1 shown, the printing ink supply device provided in this embodiment includes an ink bucket 10 and a filter box 20. The inside of the ink bucket 10 is used to contain ink. The top of the ink bucket 10 is provided with an ink outlet and an ink return port arranged at intervals. The ink outlet and the ink return port can be arranged at intervals along the length direction of the ink bucket 10. The ink outlet is used to plug in the ink supply pipe, and the ink return port is used to plug in the ink return pipe; the filter box 20 is arranged at the top end inside the ink bucket 10. The top of the filter box 20 is provided with an opening, and the opening is directly communicated with the ink return port. The bottom of the filter box 20 has a filter screen 21.
[0033] When the ink in the ink pan flows into the ink bucket 10 through the ink return port, it first passes through the filter screen 21 at the bottom of the filter box 20 for filtration and then flows into the ink bucket 10. The filter screen 21 can filter out large-particle impurities in the ink, improve the purity of the ink, ensure the quality of printed products, and increase the product qualification rate.
[0034] It should be noted that the ink bucket 10 includes a bucket body and a bucket lid. In order to show the internal structure of the bucket body, Figure 1 the ink bucket 10 shown in
[0035] is the structure after the bucket lid is hidden. The bucket body is a hollow bucket body with an open top, and a bucket lid is buckled at the opening of the bucket body. The ink outlet and the ink return port are both opened on the bucket lid. In an optional embodiment, the filter box 20 is detachably arranged in the ink bucket 10. Exemplarily, the filter box 20 can be detachably connected to the ink bucket 10 by means of hooks, snap connections, etc. Such a setting can facilitate the disassembly of the filter box 20, so as to facilitate the cleaning of the impurities in the filter box 20.
[0036] In an alternative embodiment, the mesh count of the filter screen 21 is 150 meshes. By setting the mesh count of the filter screen 21 to 150 meshes, first, the fluidity of the ink when passing through the filter screen 21 can be ensured, and large particle impurities that affect the printing effect can be filtered out.
[0037] In an alternative embodiment, as Figure 1 shown, a first baffle 30 is provided in the ink bucket 10. The first baffle 30 stands on the bottom inside the ink bucket 10 and divides the internal space of the ink bucket 10 into a first cavity 11 and a second cavity. The filter box 20 is located in the first cavity 11. A first channel 12 connecting the first cavity 11 and the second cavity is formed between the upper part of the first baffle 30 and the top of the ink bucket 10. It can be understood that, in order to ensure the fluidity of the ink at the filter screen 21, the mesh count of the filter screen 21 is set to 150 meshes. Therefore, some small particle impurities cannot be filtered out and will precipitate to the bottom of the ink bucket 10. Therefore, during the printing process, the ink in the ink tray enters the filter box 20 through the ink return port for filtering. The filtered ink enters the first cavity 11, passes through the first channel 12 into the second cavity, and then supplies ink to the ink tray through the ink outlet. Some small particle impurities will precipitate to the bottom of the first cavity 11. The first baffle 30 can block the flow of these precipitates, which is beneficial to further improving the purity of the ink, better ensuring the quality of the printed product, and improving the product qualification rate.
[0038] In an alternative embodiment, the height of the first baffle 30 is half of the height of the ink bucket 10. By reasonably setting the height of the first baffle 30, not only does it have a better blocking effect on the precipitates, but it also does not affect the height of the first channel 12, thus not affecting the normal flow of the ink.
[0039] In the prior art, during the printing process, due to the high-speed rotation of the plate cylinder, a large number of ink bubbles are generated during the circulating flow of the ink and float on the upper layer of the ink. When the plate cylinder adheres to the ink with ink bubbles, quality problems such as incomplete printing of the pattern will occur.
[0040] To solve the above problems, as Figure 1As shown, a second baffle 40 is provided in the second cavity. The second baffle 40 stands at the top inside the ink bucket 10 and faces the first channel 12 directly. The second baffle 40 divides the second cavity into an intermediate cavity 13 and an ink outlet cavity 14. The intermediate cavity 13 is located between the first cavity 11 and the ink outlet cavity 14. A second channel 15 communicating the intermediate cavity 13 and the ink outlet cavity 14 is formed between the lower part of the second baffle 40 and the bottom of the ink bucket 10. The ink outlet is arranged above the ink outlet cavity 14 and communicates with the ink outlet cavity 14. Since the ink bubbles float on the upper layer of the ink, when the filtered ink enters the intermediate cavity 13 through the first channel 12, the second baffle 40 is used to block the ink bubbles on the upper layer, while the ink flows into the ink outlet cavity 14 through the second channel 15 at the bottom and supplies ink to the ink tray through the ink outlet.
[0041] It can be understood that during actual printing, the ink in the ink bucket 10 is not in a completely full state, so the surface of the ink does not reach the top of the ink bucket 10. Therefore, the upper end of the second baffle 40 can extend to the lid of the ink bucket 10, or it can also be slightly lower than the lid and higher than the liquid level of the ink. The lower end of the second baffle 40 can be approximately at one-third of the ink bucket 10 and lower than the upper end of the first baffle 30.
[0042] In an optional embodiment, as Figure 1 shown, the ink bucket 10 has a cubic structure. Since the first baffle 30 and the second baffle 40 are mostly rectangular, by setting the ink bucket 10 to a cubic structure, it is convenient to install the first baffle 30 and the second baffle 40. Secondly, the internal capacity of the ink bucket 10 is larger. In other embodiments, the ink bucket 10 can also be cylindrical or other shapes, which are not specifically limited herein.
[0043] In an optional embodiment, as Figure 1 shown, handles 50 are provided on the outer side of the ink bucket 10. Specifically, handles 50 are provided on both opposite outer sides of the ink bucket 10. The operator can transfer the ink bucket 10 by dragging the handles 50, which is convenient for operation.
[0044] In an optional embodiment, as Figure 1 shown, universal wheels 60 are provided at the four corner positions of the bottom of the ink bucket 10. The universal wheels 60 can improve the mobility of the ink bucket 10, facilitate its movement and flexible turning, and achieve more efficient operation.
[0045] Obviously, the above embodiments of the present utility model are merely examples for clearly illustrating the present utility model, rather than limitations on the implementation manners of the present utility model. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present utility model. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present utility model shall be included within the protection scope of the claims of the present utility model.
Claims
1. Printing ink supply device, characterized in that, Comprising: An ink bucket (10), the interior of the ink bucket (10) is used to hold ink, and the top of the ink bucket (10) is provided with an ink outlet and an ink return port arranged at intervals; A filter box (20), arranged at the top end inside the ink bucket (10), the top of the filter box (20) is provided with an opening and the opening is directly opposite and communicated with the ink return port, and the bottom of the filter box (20) has a filter screen (21).
2. The printing ink supply device according to claim 1, wherein, The filter screen (21) has a mesh count of 150 meshes.
3. The printing ink supply device according to claim 1, characterized in that, The filter box (20) is detachably arranged inside the ink bucket (10).
4. The printing ink supply device according to any one of claims 1-3, characterized in that, A first baffle (30) is arranged inside the ink bucket (10), the first baffle (30) stands on the bottom inside the ink bucket (10), and divides the internal space of the ink bucket (10) into a first cavity (11) and a second cavity. The filter box (20) is located in the first cavity (11), and a first channel (12) communicating the first cavity (11) and the second cavity is formed between the upper part of the first baffle (30) and the ink bucket (10).
5. The printing ink supply device according to claim 4, characterized in that, The height of the first baffle (30) is half of the height of the ink bucket (10).
6. The printing ink supply device according to claim 4, wherein A second baffle (40) is arranged inside the second cavity, the second baffle (40) stands on the top inside the ink bucket (10) and is directly opposite to the first channel (12). The second baffle (40) divides the second cavity into an intermediate cavity (13) and an ink outlet cavity (14). The intermediate cavity (13) is located between the first cavity (11) and the ink outlet cavity (14). A second channel (15) communicating the intermediate cavity (13) and the ink outlet cavity (14) is formed between the lower part of the second baffle (40) and the ink bucket (10), and the ink outlet is communicated with the ink outlet cavity (14).
7. The printing ink supply device according to any one of claims 1 to 3, characterized in that, The ink bucket (10) has a cubic structure.
8. The printing ink supply device according to any one of claims 1 to 3, characterized in that A handle (50) is arranged on the outer side of the ink bucket (10).
9. The printing ink supply device according to any one of claims 1 to 3, characterized in that, Universal wheels (60) are arranged at the four corner positions of the bottom of the ink bucket (10).
10. Printing mechanism, characterized in that, Including the printing ink supply device according to any one of claims 1-9.