Printer selenium drum forming controller convenient to machine

Abstract

The utility model discloses a printer selenium drum forming controller convenient to process, which comprises a mounting plate, the left side and the right side of the mounting plate are respectively provided with an assembly hole, the upper end of the mounting plate is provided with a bending part, the bending radius of the bending part is 1.4-1.8 mm, the inner side of the bending part is provided with a scraper steel sheet, and the scraper steel sheet is connected with the mounting plate. A folded edge located on the scraper steel sheet is arranged at the upper end of the scraper steel sheet, a right-angle part perpendicular to the mounting plate is arranged at the lower end of the inner side of the mounting plate, and a U-shaped notch is formed in the connecting position of the end of the right-angle part and the mounting plate. In order to overcome the defects in the prior art, the utility model provides the printer selenium drum forming controller which is simple in structure, more stable in inclination angle and convenient to process.

Description

Technical Field

[0001] The utility model relates to the technical field of printing consumables, in particular to a printer toner cartridge molding controller which is easy to process. Background Art

[0002] The contact developing drums currently on the market are used in laser printers. The working process of laser printing can be divided into seven steps: charging, exposure, transfer, fixing, cleaning, and de-charge, five of which are carried out around the drum. First, the charging roller charges a layer of negative charge on the surface of the photosensitive drum. After the photosensitive drum is charged, when the laser beam shines on the surface of the photosensitive drum, the charge on the irradiated area disappears, and the charge on the unirradiated area remains unchanged. In this way, the potential difference between the exposed area and the unexposed area forms a layer of electrostatic latent image. On the other hand, the toner coming out of the powder bin is induced to be negatively charged by the charged powder feed roller. The developing roller is mostly a metal core rubber roller with a large resistance. When a voltage is applied to it, the charged toner on the powder feed roller will be transferred to the relatively charged

[0003] The toner blade (a printer drum molding controller that is easy to process) maintains a very small gap with the developing roller. It is also applied with an alternating voltage, which can activate the toner and scrape it into a uniform and thin layer in the continuous oscillation. Next, when the negatively charged toner moves to the vicinity of the printing paper along with the photosensitive drum, the negatively charged toner is attracted to the surface of the paper under the action of the positively charged transfer roller. In the fixing component, the melted toner is immersed in the printing paper by the pressurized hot melting method to form a fixed image. Next, the cleaning scraper scrapes the "residual toner" that has not been completely transferred on the surface of the photosensitive drum into the waste powder bottle, so that there is a clean photosensitive drum for the next printing cycle. Finally, when immersed in the next printing cycle, the charging roller charges the surface of the photosensitive drum, which is equivalent to eliminating the residual charge on the surface of the photosensitive drum in the previous printing cycle. This developing roller method that requires direct contact between the photosensitive drum and the developing roller has relatively high precision requirements for each component.

[0004] In some existing toner scrapers, the scraper steel sheet needs to form a certain angle with the bracket. In the existing practice, the scraper steel sheet is generally directly punched out with a predetermined angle, and then connected with the bracket. The angle between the scraper steel sheet and the bracket in the existing toner scraper is relatively high, the torque of the steel sheet is too large, the stress is difficult to release, and the tolerance requirement is large, which increases the difficulty of processing and also causes the thickness of the bracket to be thicker. Utility Model Content

[0005] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a printer drum molding controller which has a simple structure, a more stable inclination angle and is easy to process.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following scheme: a printer drum forming controller which is easy to process, characterized in that: it includes a mounting plate, assembly holes are respectively provided on the left and right sides of the mounting plate, a bending portion is provided at the upper end of the mounting plate, the bending radius of the bending portion is 1.4-1.8mm, a scraper steel sheet is provided on the inner side of the bending portion, a folded edge of the scraper steel sheet is provided at the upper end of the scraper steel sheet, a right angle portion perpendicular to the mounting plate is provided at the lower end of the inner side of the mounting plate, and a U-shaped groove is provided at the connection between the end of the right angle portion and the mounting plate.

[0007] As another improvement of the printer drum molding controller which is easy to process according to the utility model, a receiving groove is provided on the inner side of the upper end of the bending portion, and the scraper steel sheet is arranged in the receiving groove.

[0008] As another improvement of the printer drum molding controller which is easy to process according to the utility model, positioning protrusions are provided at both ends of the accommodating groove, and both ends of the scraper steel sheet are clamped between the positioning protrusions.

[0009] As another improvement of the printer drum molding controller which is easy to process according to the utility model, a positioning notch is provided on the right-angle portion.

[0010] As another improvement of the printer drum forming controller which is easy to process according to the utility model, a "concave" type stamping portion is provided on the mounting plate, the "concave" type stamping portion forms a concave convex portion on the outer side of the mounting plate, the "concave" type stamping portion forms a "concave" type recessed portion on the inner side of the mounting plate, and a central convex portion is provided in the middle of the "concave" type recessed portion.

[0011] As another improvement of the printer drum molding controller which is easy to process, a plurality of circular holes are arranged at intervals on one side of the mounting plate, and a plurality of waist-shaped holes are arranged at positions corresponding to the circular holes on the other side of the mounting plate.

[0012] As another improvement of the printer drum molding controller which is easy to process according to the utility model, an introduction slope is provided at the end of the right-angle portion.

[0013] As another improvement of the printer drum molding controller which is easy to process according to the utility model, the thickness of the bending portion is 0.8-1.2 mm, and a plurality of reinforcing ribs are arranged at intervals on the outside of the bending portion.

[0014] In summary, the utility model has the following beneficial effects compared with the prior art: the utility model has a simple structure, a bending portion with a predetermined inclination is punched out on the mounting plate, and then welded and assembled with the scraper steel sheet of the straight plate, which effectively reduces the processing requirements and facilitates processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1It is one of the three-dimensional schematic diagrams of the utility model.

[0016] Figure 2 This is the second stereoscopic schematic diagram of the present utility model.

[0017] Figure 3 It is a side schematic diagram of the utility model.

[0018] Figure 4 It is an exploded three-dimensional schematic diagram of the utility model. DETAILED DESCRIPTION

[0019] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0020] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0021] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0022] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0023] like Figure 1-3 As shown, a printer drum forming controller which is easy to process includes a mounting plate 1, assembly holes 2 are respectively provided on the left and right sides of the mounting plate 1, a bending portion 3 is provided at the upper end of the mounting plate 1, the bending radius of the bending portion 3 is 1.4-1.8mm, a scraper steel sheet 4 is provided on the inner side of the bending portion 3, a folded edge 5 located at the scraper steel sheet 4 is provided at the upper end of the scraper steel sheet 4, a right angle portion 6 perpendicular to the mounting plate 1 is provided at the lower end of the inner side of the mounting plate 1, and a U-shaped notch 7 is provided at the connection between the end of the right angle portion 6 and the mounting plate 1.

[0024] In the prior art, the cross-section of the powder discharge knife holder is straight. After the scraper is assembled, the knife holder needs to bear all the forces when scraping the powder. In this case, the knife holder is easy to deform. In view of this, the present application first sets the bending radius of the bending part to 1.4-1.8mm. In this way, the bending part absorbs part of the force, and the force transmitted to the mounting plate will be smaller to prevent deformation. Secondly, two U-shaped grooves are provided on the back plate to enable quick positioning in the vertical direction during assembly, which is convenient for users to position and install. It is also possible to judge whether the product is displaced at the assembly point to check the product.

[0025] Reference Figure 4 In one embodiment of the present invention, a receiving groove is provided on the inner side of the upper end of the bending portion 3, and the scraper steel sheet 4 is arranged in the receiving groove 8. The receiving groove 8 makes the scraper steel sheet 4 fit the bending portion 3 more closely.

[0026] In another embodiment of the present invention, positioning protrusions are provided at both ends of the accommodating groove 8, and both ends of the scraper steel sheet 4 are clamped between the positioning protrusions.

[0027] The utility model is provided with a positioning notch 9 on the right angle portion 6. The horizontal and vertical positioning can ensure the accurate installation position of the tool holder to prevent affecting the processing accuracy. Secondly, the vertical extension part can also play a fixing role, thereby enhancing the strength of the tool holder.

[0028] The utility model is provided with a "concave" stamping part on the mounting plate 1, the "concave" stamping part forms a concave convex part 10 on the outer side of the mounting plate 1, the "concave" stamping part forms a "concave" recessed part 11 on the inner side of the mounting plate 1, and a central convex part 12 is provided in the middle of the "concave" recessed part 11. The utility model is provided with an assembly hole 2 in the central convex part 12. The "concave" stamping part greatly increases the overall strength of the mounting plate 1, and the assembly hole 2 in the central convex part 12 further improves the installation stability.

[0029] The utility model has a plurality of circular holes 13 arranged at intervals on one side of the mounting plate 1, and a plurality of waist-shaped holes 14 arranged at positions corresponding to the circular holes 13 on the other side of the mounting plate 1. In the utility model, two assembly holes of different shapes are arranged at both ends of the mounting plate 1, the circular assembly holes are used for positioning, and the waist-shaped holes can adjust the position, which is convenient for installation.

[0030] In the present invention, an introduction slope 15 is provided at the end of the right-angle portion 6 .

[0031] In another embodiment of the present invention, the thickness of the bending portion 3 is 0.8-1.2 mm, and a plurality of reinforcing ribs are arranged at intervals outside the bending portion 3 .

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A printer drum molding controller that is easy to process, characterized in that: The utility model comprises a mounting plate (1), wherein assembly holes (2) are respectively provided on the left and right sides of the mounting plate (1), a bending portion (3) is provided at the upper end of the mounting plate (1), the bending radius of the bending portion (3) is 1.4-1.8 mm, a scraper steel sheet (4) is provided on the inner side of the bending portion (3), a folded edge (5) located on the scraper steel sheet (4) is provided at the upper end of the scraper steel sheet (4), a right angle portion (6) perpendicular to the mounting plate (1) is provided at the lower end of the inner side of the mounting plate (1), and a U-shaped notch (7) is provided at the connection between the end of the right angle portion (6) and the mounting plate (1).

2. The printer drum molding controller that is easy to process according to claim 1, characterized in that: An accommodating groove (8) is provided on the inner side of the upper end of the bending portion (3), and the scraper steel sheet (4) is arranged in the accommodating groove (8).

3. The printer drum molding controller that is easy to process according to claim 2, characterized in that: Positioning convex parts are provided at both ends of the accommodating groove (8), and both ends of the scraper steel sheet (4) are clamped between the positioning convex parts.

4. The printer drum molding controller that is easy to process according to claim 1, characterized in that: A positioning notch (9) is provided on the right-angle portion (6).

5. The printer drum molding controller that is easy to process according to claim 1, characterized in that: A concave stamping portion is provided on the mounting plate (1), the concave stamping portion forms a concave convex portion (10) on the outer side of the mounting plate (1), the concave stamping portion forms a concave recessed portion (11) on the inner side of the mounting plate (1), and a central convex portion (12) is provided in the middle of the concave recessed portion (11).

6. The printer drum molding controller that is easy to process according to claim 1, characterized in that: A plurality of circular holes (13) are arranged at intervals on one side of the mounting plate (1), and a plurality of waist-shaped holes (14) are arranged at positions corresponding to the circular holes (13) on the other side of the mounting plate (1).

7. The printer drum molding controller that is easy to process according to claim 1, characterized in that: An introduction slope (15) is provided at the end of the right-angle portion (6).

8. The printer drum molding controller that is easy to process according to claim 1, characterized in that: The thickness of the bent portion (3) is 0.8-1.2 mm, and a plurality of reinforcing ribs are arranged at intervals outside the bent portion (3).

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