Circulating filtering device for fountain solution of offset press

By introducing adjustment and cleaning components into the filtration device of the filtration device of the offset printing machine, and using electric push rods and scrapers to clean impurities in the inner wall of the filter cartridge, the problem of clogging of the filter cartridge in the prior art is solved, ensuring the filtering effect and normal liquid outflow sex.

CN222196119UActive Publication Date: 2024-12-20SHIJIAZHUANG TAIHANG TECHCAL & INDCO LTD
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Patent Information

Application Number
CN202420972556.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2024-12-20
Estimated Expiration
2034-05-08

AI Technical Summary

Technical Problem

In the existing offset printing press filtration device, the filtered impurities are easily attached to the filter cartridge wall, resulting in clogging, affecting the filtration effect, and being difficult to clean, resulting in the inability to flow out of liquid.

Method used

A filtration device for circulating liquid of the offset printing machine including adjustment components and cleaning components is designed. The scraper is driven to rotate through an electric push rod and a drive motor. The cleaning component can scrape away impurities from the inner wall of the filter cartridge to avoid clogging and slip through The block and slider mechanism facilitates removal and cleaning of filter components.

Benefits of technology

It effectively avoids long-term accumulation of impurities, ensures the sustainability of the filtration effect and the normal outflow of the moisturizer, and extends the service life of the filter cartridge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an offset press fountain solution circulating filtering device, which relates to the field of fountain solution circulating filtering equipment, and comprises a box body, the inner side wall of the box body is fixedly connected with a lapping rod, the upper surface of the lapping rod is provided with a limiting groove, and a filtering assembly is inserted into the limiting groove. The cleaning device comprises a box body, adjusting assemblies are fixedly connected to the tops of the two sides of the box body, connecting assemblies are fixedly connected to the top ends of the adjusting assemblies, a motor box is fixedly connected to the middle of the upper surface of each connecting assembly, and a cleaning assembly is fixedly installed in each motor box. The connecting rod is driven by the connecting plate to move upwards, the box cover moves upwards along with the connecting rod, so that the bottom end of the cleaning assembly moves to be flush with the upper surface of the box body, then the sliding plate is driven by the sliding block to slide to one end of the sliding rod, the filtering assembly can be taken out, and impurities in the filtering assembly can be cleared out conveniently.
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Description

Technical Field

[0001] The utility model relates to the field of fountain solution circulation filtering equipment, in particular to a fountain solution circulation filtering device for an offset printing press. Background Art

[0002] In the packaging printing industry, fountain solution is the liquid used to wet the plate on the printing press. After a period of use, it will be affected by contamination and impurities and needs to be filtered and cleaned to ensure printing quality and extend the service life of the fountain solution.

[0003] In the prior art, filter cartridges are often used to filter directly, but the impurities after filtration adhere to the wall of the filter cartridge, which can easily cause blockage in the filter cartridge and affect the filtering effect. At the same time, after the filtration is completed, it is not convenient to remove the impurities. Over time, blockage will still occur, and even the liquid will not be able to flow out of the filter cartridge.

[0004] Therefore, we proposed a circulating filtering device for dampening solution of offset printing machine. Utility Model Content

[0005] The utility model provides a circulating filtering device for dampening liquid of an offset printing machine.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dampening liquid circulation and filtering device for an offset printing machine, comprising a box body, a lever fixedly connected to the inner side wall of the box body, a limiting groove provided on the upper surface of the lever, a filter assembly inserted in the limiting groove, an adjusting assembly fixedly connected to the top of both sides of the box body, a connecting assembly fixedly connected to the top of the adjusting assembly, a motor box fixedly connected to the middle of the upper surface of the connecting assembly, and a cleaning assembly fixedly installed in the motor box;

[0007] The adjustment component includes a sliding rod, one side of the sliding rod is fixedly connected to the top of one side of the box body, both sides of the sliding rod are fixedly connected to limiting plates, a sliding groove is provided on the upper surface of the sliding rod, a sliding block is slidably connected inside the sliding groove, a sliding plate is fixedly connected to the upper surface of the sliding block, and an electric push rod is fixedly connected to the upper surface of the sliding plate.

[0008] Preferably, the connecting assembly includes a connecting plate, one side of the lower surface of the connecting plate is fixedly connected to the top end of the electric push rod, the other side of the lower surface of the connecting plate is fixedly connected to a connecting rod, and the bottom end of the connecting rod is fixedly connected to a box cover; under the push of the electric push rod, the connecting rod is driven to move upward through the connecting plate, and the box cover moves upward accordingly, so that the bottom end of the cleaning assembly moves to be flush with the upper surface of the box body, making it convenient to remove the filter assembly.

[0009] Preferably, the filter assembly includes an insert rod, the bottom end of the insert rod is inserted into the interior of the limiting groove, the top end of the insert rod is fixedly connected to a fixing frame, and the interior of the fixing frame is fixedly connected to a filter cartridge; the insert rod is inserted into the interior of the limiting groove to limit and fix the fixing frame, thereby fixing the position of the filter cartridge to facilitate the insertion of the cleaning assembly.

[0010] Preferably, the cleaning assembly includes a driving motor, the outer surface of which is fixedly mounted inside a motor box, the output end of the driving motor is splined with a transmission rod, one end of the transmission rod is fixedly connected to a rotating rod, and the outer surface of the rotating rod is fixedly connected to a scraper; an external power supply starts the driving motor, which drives the rotating rod to rotate through the transmission rod, and the scraper rotates accordingly to scrape the inner wall of the filter cartridge to prevent impurities from adhering to the wall of the filter cartridge, thereby clogging the filter cartridge and affecting the filtering effect.

[0011] Preferably, a discharge port is provided at the bottom end of one side of the box body, and a discharge pipe is fixedly connected to the inside of the discharge port; the discharge pipe facilitates the clean dampening solution outside the filter cylinder to flow out to wet the surface of the printing plate.

[0012] Preferably, a discharge port is provided on the upper surface of the box cover near the edge of the motor box, and an inlet pipe is fixedly connected to the inside of the discharge port; the discharge port corresponds to the opening of the filter cartridge, and the inlet pipe facilitates the used dampening solution to flow into the inside of the filter cartridge, and be filtered by the filter cartridge before being used again.

[0013] Preferably, a groove is provided on the upper surface of the motor box, and a dustproof net is fixedly connected to the interior of the groove; the groove can dissipate the heat generated by the driving motor in the motor box, and the dustproof net reduces the entry of dust.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model starts the electric push rod by setting an adjustment component and a connecting component, and drives the connecting rod to move upward through the connecting plate, and the box cover moves upward accordingly, so that the bottom end of the cleaning component moves to be flush with the upper surface of the box body, and then drives the slide plate to slide to one end of the slide rod through the slider, so that the filter component can be taken out, which is convenient for cleaning out impurities inside the filter component and avoiding long-term accumulation of impurities, which makes it difficult for liquid to flow out.

[0016] 2. The utility model sets a cleaning component, and an external power supply starts the driving motor, which drives the rotating rod to rotate through the transmission rod, and the scraper rotates accordingly to scrape the inner wall of the filter cylinder to prevent impurities from adhering to the cylinder wall of the filter cylinder, thereby clogging the filter cylinder and affecting the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the box of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the filter assembly of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of the cleaning component of the utility model.

[0022] In the figure: 1. box body; 2. lever; 3. filter assembly; 301. plug rod; 302. fixing frame; 303. filter cartridge; 4. adjustment assembly; 401. slide rod; 402. limit plate; 403. slide block; 404. slide plate; 405. electric push rod; 5. connection assembly; 501. connection plate; 502. connection rod; 503. box cover; 6. motor box; 7. cleaning assembly; 701. drive motor; 702. transmission rod; 703. rotating rod; 704. scraper; 8. discharge pipe; 9. inlet pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1

[0025] See also Figure 1-5 In the figure, a dampening solution circulation and filtering device for an offset printing machine comprises a box body 1, a lever 2 is fixedly connected to the inner side wall of the box body 1, a limiting groove is provided on the upper surface of the lever 2, a filter assembly 3 is inserted into the limiting groove, an adjustment assembly 4 is fixedly connected to the top of both sides of the box body 1, a connecting assembly 5 is fixedly connected to the top of the adjusting assembly 4, a motor box 6 is fixedly connected to the middle of the upper surface of the connecting assembly 5, and a cleaning assembly 7 is fixedly installed inside the motor box 6;

[0026] The adjustment component 4 includes a sliding rod 401, one side of the sliding rod 401 is fixedly connected to the top of one side of the box body 1, both sides of the sliding rod 401 are fixedly connected to the limiting plate 402, a sliding groove is opened on the upper surface of the sliding rod 401, a sliding block 403 is slidably connected inside the sliding groove, the upper surface of the sliding block 403 is fixedly connected to the sliding plate 404, and the upper surface of the sliding plate 404 is fixedly connected to the electric push rod 405.

[0027] In this embodiment: start the electric push rod 405 to push the box cover 503 upward and away from the box body 1, so that the bottom end of the cleaning component 7 moves to be flush with the upper surface of the box body 1, and then the slider 403 drives the slide plate 404 to slide to one end of the slide rod 401, so that the filter component 3 can be taken out, which is convenient for clearing out impurities inside the filter component 3 and avoiding long-term accumulation of impurities, which makes it difficult for the liquid to flow out.

[0028] See also Figure 1 , Figure 2 and Figure 4 In the figure, the connecting component 5 includes a connecting plate 501, one side of the lower surface of the connecting plate 501 is fixedly connected to the top of the electric push rod 405, the other side of the lower surface of the connecting plate 501 is fixedly connected to a connecting rod 502, and the bottom end of the connecting rod 502 is fixedly connected to a box cover 503.

[0029] In this embodiment: under the push of the electric push rod 405, the connecting rod 502 is driven to move upward through the connecting plate 501, and the box cover 503 moves upward accordingly, so that the bottom end of the cleaning component 7 moves to be flush with the upper surface of the box body 1, making it convenient to remove the filter component 3.

[0030] Working principle: First, the discharge inlet corresponds to the opening of the filter cylinder 303, and the used dampening solution flows into the filter cylinder 303 through the inlet pipe 9, and is filtered by the filter cylinder 303 and retained in the box 1, and then flows out through the discharge pipe 8 to wet the surface of the printing plate. Then, the external power supply starts the drive motor 701, and the transmission rod 702 drives the rotating rod 703 to rotate, and the scraper 704 rotates accordingly to scrape the inner wall of the filter cylinder 303 to prevent impurities from adhering to the cylinder wall of the filter cylinder 303, thereby The filter cartridge 303 is blocked. Secondly, the electric push rod 405 is started, and the connecting rod 502 is driven to move upward through the connecting plate 501, and the box cover 503 moves upward accordingly, so that the bottom end of the cleaning component 7 moves to be flush with the upper surface of the box body 1, and then the slide plate 404 is driven to slide to one end of the slide rod 401 through the slider 403. Finally, the insertion rod 301 is disengaged from the limiting groove, and the filter cartridge 303 is taken out through the fixing frame 302, so as to clear out the impurities inside it to avoid long-term accumulation of impurities, which makes it difficult for the liquid to flow out.

[0031] Example 2

[0032] See also Figure 2 and Figure 3 This embodiment further explains Example 1. In the figure, the filter assembly 3 includes an insertion rod 301, the bottom end of the insertion rod 301 is inserted into the inside of the limiting groove, the top end of the insertion rod 301 is fixedly connected to a fixing frame 302, and the inside of the fixing frame 302 is fixedly connected to a filter cartridge 303.

[0033] In this embodiment, the insertion rod 301 is inserted into the limiting groove to limit and fix the fixing frame 302, thereby fixing the position of the filter cartridge 303, making it convenient to put in the cleaning assembly 7.

[0034] See also Figure 2 and Figure 5 In the figure, the cleaning component 7 includes a driving motor 701, the outer surface of the driving motor 701 is fixedly installed inside the motor box 6, the output end of the driving motor 701 is spline-connected with a transmission rod 702, one end of the transmission rod 702 is fixedly connected with a rotating rod 703, and the outer surface of the rotating rod 703 is fixedly connected with a scraper 704.

[0035] In this embodiment: an external power supply starts the driving motor 701, which drives the rotating rod 703 to rotate through the transmission rod 702, and the scraper 704 rotates accordingly to scrape the inner wall of the filter cylinder 303 to prevent impurities from adhering to the cylinder wall of the filter cylinder 303, thereby clogging the filter cylinder 303 and affecting the filtering effect.

[0036] See also Figure 1 and Figure 2 In the figure, a discharge port is provided at the bottom end of one side of the box body 1, and a discharge pipe 8 is fixedly connected to the inside of the discharge port.

[0037] In this embodiment, the discharge pipe 8 facilitates the clean fountain solution to flow out of the filter cylinder 303 to wet the surface of the printing plate.

[0038] Example 3

[0039] See also Figure 1 and Figure 2 In the figure, a discharge port is provided on the upper surface of the box cover 503 near the edge of the motor box 6, and an inlet pipe 9 is fixedly connected to the inside of the discharge port.

[0040] In this embodiment, the discharge port corresponds to the opening of the filter cartridge 303, and the used fountain solution flows into the filter cartridge 303 through the inlet pipe 9, and is filtered by the filter cartridge 303 before being used again.

[0041] See also Figure 1 and Figure 2 In the figure, a groove is provided on the upper surface of the motor box 6, and a dustproof net is fixedly connected to the inside of the groove.

[0042] In this embodiment: the groove can dissipate the heat generated by the driving motor 701 in the motor box 6, and the dustproof net reduces the entry of dust.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fountain solution circulation and filtering device for an offset printing press, characterized in that: The invention comprises a box body (1), wherein the inner side wall of the box body (1) is fixedly connected to a lever (2), the upper surface of the lever (2) is provided with a limit groove, the interior of the limit groove is plugged with a filter assembly (3), the tops of both sides of the box body (1) are fixedly connected to adjustment assemblies (4), the top of the adjustment assembly (4) is fixedly connected to a connection assembly (5), the middle of the upper surface of the connection assembly (5) is fixedly connected to a motor box (6), and the interior of the motor box (6) is fixedly installed with a cleaning assembly (7); The adjustment component (4) comprises a sliding rod (401), one side of the sliding rod (401) is fixedly connected to the top of one side of the box body (1), both sides of the sliding rod (401) are fixedly connected to the limiting plate (402), a sliding groove is provided on the upper surface of the sliding rod (401), a sliding block (403) is slidably connected inside the sliding groove, the upper surface of the sliding block (403) is fixedly connected to the sliding plate (404), and the upper surface of the sliding plate (404) is fixedly connected to the electric push rod (405).

2. The offset printing press fountain solution circulation and filtering device according to claim 1, characterized in that: The connecting assembly (5) comprises a connecting plate (501), one side of the lower surface of the connecting plate (501) is fixedly connected to the top end of the electric push rod (405), the other side of the lower surface of the connecting plate (501) is fixedly connected to a connecting rod (502), and the bottom end of the connecting rod (502) is fixedly connected to a box cover (503).

3. The offset printing press fountain solution circulation and filtering device according to claim 1, characterized in that: The filter assembly (3) comprises an insertion rod (301), the bottom end of the insertion rod (301) is inserted into the interior of a limiting groove, the top end of the insertion rod (301) is fixedly connected to a fixing frame (302), and the interior of the fixing frame (302) is fixedly connected to a filter cartridge (303).

4. The offset printing press fountain solution circulating filtration device according to claim 1, characterized in that: The cleaning assembly (7) comprises a driving motor (701), the outer surface of the driving motor (701) being fixedly mounted inside the motor box (6), the output end of the driving motor (701) being spline-connected to a transmission rod (702), one end of the transmission rod (702) being fixedly connected to a rotating rod (703), and the outer surface of the rotating rod (703) being fixedly connected to a scraper (704).

5. The offset printing press fountain solution circulation and filtering device according to claim 1, characterized in that: A discharge port is provided at the bottom end of one side of the box body (1), and a discharge pipe (8) is fixedly connected to the inside of the discharge port.

6. The offset printing press fountain solution circulation and filtering device according to claim 2, characterized in that: An outlet is provided on the upper surface of the box cover (503) near the edge of the motor box (6), and an inlet pipe (9) is fixedly connected to the inside of the outlet.

7. The offset printing press fountain solution circulating filtration device according to claim 1, characterized in that: The upper surface of the motor box (6) is provided with a groove, and a dustproof net is fixedly connected inside the groove.