Double-scraper mechanism of printing machine and cleaning device

Abstract

The utility model relates to the technical field of digital printing machines, and discloses a printing machine double-scraping-blade mechanism and a cleaning device. The printing machine double-scraping-blade mechanism comprises a base which comprises a bottom plate and a mounting plate connected with the bottom plate, and the mounting plate comprises a front side and a rear side; the front scraper is arranged on the front side of the mounting plate; and the rear scraper is arranged on the rear side of the mounting plate. When the scraping blade mechanism scrapes residual ink on the spray head, the front scraping blade firstly passes through the spray head to complete primary ink scraping, then the rear scraping blade passes through the spray head again to complete secondary ink scraping, one scraping blade mechanism and the two scraping blades conduct twice ink scraping on the spray head at a time, redundant ink is scraped away at a time, and efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of digital printing machines, in particular to a double blade mechanism and a cleaning device for a printing machine. Background Art

[0002] The blade of a digital printing machine is mainly used to scrape off the excess ink on the nozzle to prevent the nozzle from being blocked due to ink curing. In the prior art, the blade is usually a single blade. After the single blade scrapes across the nozzle, the ink cannot be scraped off at one time and needs to be repeatedly scraped a second time, resulting in low efficiency. Summary of the Utility Model

[0003] Based on the above, the purpose of the utility model is to provide a double blade mechanism and a cleaning device for a printing machine, which can scrape the ink on the nozzle twice at one time, scrape off the excess ink at one time, and improve the efficiency.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] On the one hand, the utility model provides a double blade mechanism for a printing machine, including:

[0006] A base, which includes a bottom plate and a mounting plate connected to the bottom plate, and the mounting plate includes a front side and a rear side;

[0007] A front blade, which is arranged on the front side of the mounting plate;

[0008] A rear blade, which is arranged on the rear side of the mounting plate.

[0009] Preferably, the front side of the mounting plate includes a first supporting surface and a first inclined surface;

[0010] The bottom surface of the front blade is closely attached to the first supporting surface, and the side surface of the front blade is closely attached to the first inclined surface;

[0011] A first fixing plate, which fixes the front blade on the front side of the mounting plate.

[0012] Preferably, the rear side of the mounting plate includes a second supporting surface and a second inclined surface;

[0013] The bottom surface of the rear blade is closely attached to the second supporting surface, and the side surface of the rear blade is closely attached to the second inclined surface;

[0014] A second fixing plate, which fixes the rear blade on the rear side of the mounting plate.

[0015] Preferably, the first inclined surface and the second inclined surface are parallel.

[0016] Preferably, the top height of the front blade is higher than the top height of the rear blade.

[0017] On the other hand, the present utility model provides a printing machine cleaning device including the printing machine double blade mechanism described above.

[0018] Preferably, the printing machine cleaning mechanism includes:

[0019] A cleaning tank, which is a hollow structure with an opening at the top;

[0020] A driving shaft and a follower shaft are respectively and actively arranged on both sides along the length direction of the cleaning tank;

[0021] A driving mechanism, whose output end is connected to the driving shaft;

[0022] A conveyor belt, sleeved between the driving shaft and the follower shaft;

[0023] A plurality of mounting blocks, which are arranged on the conveyor belt at intervals;

[0024] The printing machine double blade mechanism is arranged on each of the mounting blocks.

[0025] Preferably, two sets of the printing machine double blade mechanism are arranged on each of the mounting blocks.

[0026] The beneficial effects of the present utility model are as follows:

[0027] The present utility model provides a printing machine double blade mechanism and a cleaning device. When the blade mechanism scrapes the residual ink on the nozzle, the front blade first passes through the nozzle to complete the first ink scraping, and then the rear blade passes through the nozzle again to complete the second ink scraping. One blade mechanism with two blades scrapes the ink on the nozzle twice at one time, and scrapes off the excess ink at one time, improving the efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments of the present utility model. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained according to the content of the embodiments of the present utility model and these drawings without creative efforts.

[0029] Figure 1 FIG. 40 is a schematic structural diagram of a printing machine double blade mechanism provided in Embodiment 1 of the present utility model;

[0030] Figure 2 FIG. 44 is a schematic structural diagram of a printing machine double blade mechanism provided in Embodiment 1 of the present utility model from another perspective;

[0031] Figure 3 FIG. 48 is a schematic structural diagram of a printing machine cleaning device provided in Embodiment 2 of the present utility model;

[0032] Figure 4 This is a schematic structural diagram of another view of a printing machine cleaning device provided in the second embodiment of the present utility model.

[0033] In the figure:

[0034] 1. Bottom plate; 2. Mounting plate; 21. First supporting surface; 22. First inclined surface; 23. Second supporting surface; 24. Second inclined surface; 3. Front scraping blade; 4. Rear scraping blade; 5. First fixing plate; 6. Second fixing plate; 7. Cleaning tank; 81. Driving shaft; 82. Follow-up shaft; 83. Driving mechanism; 84. Conveyor belt; 9. Mounting block. Specific embodiments

[0035] In order to make the technical problems solved by the present utility model, the technical solutions adopted and the achieved technical effects clearer, the technical solutions of the embodiments of the present utility model will be further described in detail below with reference to the drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present utility model.

[0036] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to" and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection or an integral body; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of 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.

[0037] 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 simply means that the first feature is at a higher horizontal height than 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 simply means that the first feature is at a lower horizontal height than the second feature.

[0038] In the description of this embodiment, the orientation or positional relationships such as "upper", "lower", "left", "right", etc. are based on the orientation or positional relationships shown in the drawings. They are 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 construed 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 meaning.

[0039] Embodiment 1

[0040] As Figure 1 and 2 As shown, the present embodiment of the utility model provides a double blade mechanism for a printing machine, including: a base, which includes a bottom plate 1 and a mounting plate 2 connected to the bottom plate 1, and the mounting plate 2 includes a front side and a rear side; a front blade 3, arranged on the front side of the mounting plate 2; and a rear blade 4, arranged on the rear side of the mounting plate 2.

[0041] In the present embodiment of the utility model, when the blade mechanism scrapes the residual ink on the nozzle, the front blade 3 first passes through the nozzle to complete a first ink scraping, and then the rear blade 4 passes through the nozzle again to complete a second ink scraping. With one blade mechanism and two blades, the nozzle is ink-scraped twice at one time, and the excess ink is scraped off at one time, improving the efficiency.

[0042] As a preferred embodiment of the present utility model, as Figure 1 and 2 shown, in order to fixedly mount the front blade 3, the front side of the mounting plate 2 includes a first supporting surface 21 and a first inclined surface 22; the bottom surface of the front blade 3 closely adheres to the first supporting surface 21, and the side surface of the front blade 3 closely adheres to the first inclined surface 22; a first fixing plate 5 fixes the front blade 3 on the front side of the mounting plate 2. Specifically, during installation, the bottom surface and the side surface of the front blade 3 are respectively closely adhered to the first supporting surface 21 and the first inclined surface 22 to complete the positioning of the front blade 3, and then the first fixing plate 5 closely adheres to the other side surface of the front blade 3, thereby fixing the front blade 3. Finally, the mounting plate 2, the front blade 3, and the first fixing plate 5 can be locked and fixed by locking screws.

[0043] As a preferred embodiment of the present utility model, as Figure 1 and 2As shown in the figure, in order to fixedly install the rear wiper blade 4, the rear side of the mounting plate 2 includes a second supporting surface 23 and a second inclined surface 24; the bottom surface of the rear wiper blade 4 closely adheres to the second supporting surface 23, and the side surface of the rear wiper blade 4 closely adheres to the second inclined surface 24; a second fixing plate 6 is used to fix the rear wiper blade 4 to the rear side of the mounting plate 2. Specifically, during installation, the bottom surface and the side surface of the rear wiper blade 4 are respectively closely adhered to the second supporting surface 23 and the second inclined surface 24 to complete the positioning of the rear wiper blade 4, and then the second fixing plate 6 closely adheres to the other side surface of the rear wiper blade 4, thereby fixing the rear wiper blade 4. Finally, the mounting plate 2, the rear wiper blade 4, and the second fixing plate 6 can be locked and fixed by locking screws.

[0044] As a preferred embodiment of the present invention, as Figure 2 shown, the first inclined surface 22 and the second inclined surface 24 are parallel. Specifically, the parallelism of the first inclined surface 22 and the second inclined surface 24 can ensure that the front wiper blade 3 and the rear wiper blade 4 are parallel, and ensure that the positions where the front wiper blade 3 and the rear wiper blade 4 scrape the nozzle are the same. Preferably, the top height of the front wiper blade 3 is higher than the top height of the rear wiper blade 4.

[0045] Embodiment Two

[0046] Based on Embodiment One of the present invention, the embodiment of the present invention provides a printing machine cleaning device including the printing machine double wiper mechanism described in Embodiment One above.

[0047] As Figure 3 and 4 shown, the printing machine cleaning mechanism includes: a cleaning box 7, which is a hollow structure with an opening at the top; a driving shaft 81 and a follower shaft 82 are respectively actively arranged on both sides along the length direction of the cleaning box 7; a driving mechanism 83, whose output end is connected to the driving shaft 81; a conveyor belt 84, which is sleeved between the driving shaft 81 and the follower shaft 82; a plurality of mounting blocks 9, which are arranged at intervals on the conveyor belt 84; and the printing machine double wiper mechanism is arranged on each of the mounting blocks 9. Preferably, two sets of the printing machine double wiper mechanisms are arranged on each of the mounting blocks 9. Specifically, in the embodiment of the present invention, the driving mechanism 83 is a motor and a speed reducer. The driving mechanism 83 drives the driving shaft 81 to rotate, so that the conveyor belt 84 moves without stopping. The conveyor belt 84 drives the mounting blocks 9 to move, and the mounting holes drive the double wiper mechanism to scrape the ink once for the spraying.

[0048] Note that the above is only the preferred embodiment of the present utility model and the applied technical principles. Those skilled in the art will understand that the present utility model is not limited to the specific embodiments described herein, and various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present utility model. Therefore, although the present utility model has been described in more detail through the above embodiments, the present utility model is not limited to the above embodiments. Without departing from the concept of the present utility model, more other equivalent embodiments can be included, and the scope of the present utility model is determined by the scope of the appended claims.

Claims

1. A double scraper mechanism for a printing machine, characterized in that: include: A base, comprising a bottom plate (1) and a mounting plate (2) connected to the bottom plate (1), wherein the mounting plate (2) comprises a front side and a rear side; A front scraper (3) is arranged on the front side of the mounting plate (2); A rear scraper (4) is arranged on the rear side of the mounting plate (2).

2. A double scraper mechanism for a printing machine according to claim 1, characterized in that: The front side of the mounting plate (2) comprises a first supporting surface (21) and a first inclined surface (22); The bottom surface of the front scraper (3) is in close contact with the first supporting surface (21), and the side surface of the front scraper (3) is in close contact with the first inclined surface (22); A first fixing plate (5) fixes the front scraper (3) on the front side of the mounting plate (2).

3. A double scraper mechanism for a printing machine according to claim 2, characterized in that: The rear side of the mounting plate (2) comprises a second supporting surface (23) and a second inclined surface (24); The bottom surface of the rear scraper (4) is in close contact with the second supporting surface (23), and the side surface of the rear scraper (4) is in close contact with the second inclined surface (24); The second fixing plate (6) fixes the rear scraper (4) on the rear side of the mounting plate (2).

4. A double scraper mechanism for a printing machine according to claim 3, characterized in that: The first inclined surface (22) and the second inclined surface (24) are parallel.

5. A double scraper mechanism for a printing machine according to claim 4, characterized in that: The top height of the front scraper (3) is higher than the top height of the rear scraper (4).

6. A cleaning device for a printing machine, characterized in that: The invention comprises a double scraper mechanism for a printing machine as described in any one of claims 1 to 5.

7. The cleaning device for a printing machine according to claim 6, characterized in that: The printing machine cleaning mechanism comprises: A cleaning box (7) which is a hollow structure with an opening at the top; A driving shaft (81) and a follower shaft (82) are respectively actively arranged on both sides along the length direction of the cleaning box (7); A driving mechanism (83), the output end of which is connected to the driving shaft (81); A conveyor belt (84) is sleeved between the driving shaft (81) and the follower shaft (82); A plurality of mounting blocks (9) are arranged at intervals on the conveyor belt (84); Each of the mounting blocks (9) is provided with the printing machine double scraper mechanism.

8. The cleaning device for a printing machine according to claim 7, characterized in that: Two sets of the printing machine double scraper mechanisms are arranged on each of the mounting blocks (9).

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