Powder feeding mechanism for carbon powder cylinder

Abstract

The utility model discloses a powder feeding mechanism for a carbon powder cylinder, which comprises a shell, a clamping part connected with the carbon powder cylinder is arranged at one end of the shell, an air bag mounting part is arranged at the other end of the shell, a powder discharge port is arranged at the lower part of the shell, and a valve plate mounting seat is arranged at the lower part of the shell and corresponds to the powder discharge port. The powder discharging device is characterized in that a partition plate capable of separating the powder discharging opening from the air bag mounting part is arranged in the air bag mounting part, and a plurality of air holes capable of communicating the air bag mounting part with the powder discharging opening are formed in the partition plate. The utility model aims to overcome the defects in the prior art, and provides the powder feeding mechanism for the carbon powder cylinder, which is simple in structure, effectively reduces the blockage, can smoothly output carbon powder and is used for the carbon powder cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of carbon powder supply, in particular to a powder feeding mechanism for a carbon powder cartridge. Background Art

[0002] A toner cartridge is a consumable material used in laser copiers. It usually has a cylindrical rotatable main body. The rotatable main body contains toner used for copying, and an end cap is provided at one end of the rotatable main body. A toner discharge port is provided on the end cap, and toner is discharged from the toner discharge port. In order to allow the toner cartridge to discharge toner smoothly, some toner cartridges are provided with an air bag on the end cap so that the toner can be more fully dispersed during the transportation process. Existing toner cartridges generally have a baffle between the end cap and the air bag, and an air hole is provided on the baffle. This design is prone to blockage of the air hole during use, resulting in insufficiently smooth discharge of toner.

[0003] Therefore, the existing powder feeding mechanism for carbon powder cartridge needs to be further improved. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of the prior art and provide a powder feeding mechanism for a toner cartridge which has a simple structure, effectively reduces blockage, and enables smooth output of toner.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following scheme: a powder feeding mechanism for a carbon powder cartridge, comprising a shell, a clamping portion connected to the carbon powder cartridge is provided on one end of the shell, an airbag mounting portion is provided at the other end of the shell, a powder discharge port is provided at the lower part of the shell, and a valve plate mounting seat is provided at a position corresponding to the powder discharge port at the lower part of the shell, characterized in that a partition is provided in the airbag mounting portion to separate the powder discharge port and the airbag mounting portion from each other, and a plurality of air holes that can connect the airbag mounting portion and the powder discharge port are provided on the partition.

[0006] As another improvement of the powder feeding mechanism for the carbon powder cartridge of the utility model, the number of the air holes is two to eight, and the air holes are distributed on the partition along the circumference.

[0007] As another improvement of the powder feeding mechanism for the carbon powder cartridge of the utility model, an internal connecting thread is provided in the airbag mounting portion.

[0008] As another improvement of the powder feeding mechanism for the carbon powder cartridge of the utility model, a stirring mechanism is provided in the clamping portion.

[0009] As another improvement of the powder feeding mechanism for the carbon powder cartridge of the utility model, the stirring mechanism includes a connecting base, two supporting frames are symmetrically arranged on the connecting base, a spiral sheet is arranged between the two supporting frames, and a powder stirring mechanism is arranged at the feeding end of the spiral sheet.

[0010] As another improvement of the powder feeding mechanism for the carbon powder cartridge of the utility model, a connecting hole groove is provided on the connecting base, and a clamping protrusion is provided at a position corresponding to the connecting hole groove of the partition plate, and the clamping protrusion is clamped in the connecting hole groove.

[0011] As another improvement of the powder feeding mechanism for the carbon powder cartridge of the utility model, the powder shifting mechanism includes a connecting plate arranged at the feeding end of the spiral sheet, baffles are respectively provided on both sides of the connecting plate, the baffles are connected to the support frame, and powder shifting sheets are staggered on the connecting plate.

[0012] As another improvement of the powder feeding mechanism for the carbon powder cartridge of the utility model, the powder paddle includes a first paddle flush with the connecting plate, and a second paddle capable of guiding carbon powder into the inlet of the spiral piece is provided on the first paddle.

[0013] As another improvement of the powder feeding mechanism for the carbon powder cartridge of the utility model, a hollow powder leakage groove is provided at the connection between the first paddle and the connecting plate.

[0014] In summary, the utility model has the following beneficial effects compared with the prior art: the utility model has a simple structure, and a plurality of air holes are arranged on the partition, which effectively reduces blockage, thereby enabling smooth output of carbon powder. In the utility model, a clamping convex column is arranged at the center of the partition, which cooperates with the connecting hole groove of the stirring mechanism, so that the stirring mechanism can be stably installed in the carbon powder cartridge. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 4 This is the second stereoscopic schematic diagram of the stirring mechanism of the utility model.

[0019] Figure 5 It is a three-dimensional schematic diagram of the utility model after the shell and the stirring mechanism are assembled.

[0020] In the figure: 1. shell; 2. clamping part; 3. air bag installation part; 4. powder discharge port; 5. valve plate installation seat; 6. partition; 7. air hole; 8. internal connection screw thread; 9. stirring mechanism; 91. connecting base; 92. support frame; 93 spiral piece; 94. powder moving mechanism; 941. connecting plate; 942. baffle; 943. powder moving piece; 9431. first moving piece; 9432. second moving piece; 9433. hollow powder leakage groove; 10. connecting hole groove; 11. clamping boss. DETAILED DESCRIPTION

[0021] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0022] 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.

[0023] 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.

[0024] 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.

[0025] See also Figure 1-5 The utility model is a powder feeding mechanism for a carbon powder cartridge, comprising a housing 1, a clamping portion 2 connected to the carbon powder cartridge is provided at one end of the housing 1, an air bag mounting portion 3 is provided at the other end of the housing 1, a powder discharge port 4 is provided at the lower part of the housing 1, a valve plate mounting seat 5 is provided at a position corresponding to the powder discharge port 4 at the lower part of the housing 1, a partition 6 is provided in the air bag mounting portion 3 to separate the powder discharge port 4 from the air bag mounting portion 3, and a plurality of air holes 7 are provided on the partition 6 to connect the air bag mounting portion 3 with the powder discharge port 4. The utility model has a simple structure, and a plurality of air holes are provided on the partition, which effectively reduces blockage, so that the carbon powder can be smoothly output.

[0026] The air holes 7 in the utility model can be one of two, three, four, five, six, seven, eight, or other numbers, and the plurality of air holes 7 are distributed along the circumference on the partition 6. When the airbag is pressurized, the air flow pressure ejected from the air hole 7 is sufficient, so that the carbon powder can be dispersed, making the powder discharge smoother.

[0027] In the utility model, an inner connection screw thread 8 is arranged in the airbag mounting portion 3. The connection is convenient, safe and reliable, and not easy to be separated.

[0028] In the utility model, a stirring mechanism 9 is provided in the clamping part 2. The stirring mechanism 9 includes a connecting base 91, two supporting frames 92 are symmetrically arranged on the connecting base 91, a spiral sheet 93 is provided between the two supporting frames 92, and a powder stirring mechanism 94 is provided at the feeding end of the spiral sheet 93. The powder stirring mechanism 94 can effectively stir the carbon powder in the carbon powder cartridge, so that it can smoothly fall into the channel between the spiral sheets 93.

[0029] In the present invention, a connection hole 10 is provided on the connection base 91, and a clamping protrusion 11 is provided at a position corresponding to the connection hole 10 on the partition 6, and the clamping protrusion 11 is clamped in the connection hole 10. The connection hole 10 and the clamping protrusion 11 cooperate with each other, so that the stirring mechanism 9 can be stably installed in the housing 1.

[0030] The powder-digging mechanism 94 in the utility model includes a connecting plate 941 arranged at the feeding end of the spiral plate 93, baffles 942 are respectively arranged on both sides of the connecting plate 941, the baffles 942 are connected to the support frame 92, and the powder-digging plates 943 are staggered on the connecting plate 941. The powder-digging plates 943 include a first paddle 9431 flush with the connecting plate 941, and a second paddle 9432 is arranged on the first paddle 9431 to guide the carbon powder into the inlet of the spiral plate 93. In the utility model, the carbon powder in the carbon powder canister will smoothly enter the feeding end of the spiral plate 93 along the guide channel surrounded by the first paddle 9431 and the second paddle 9432, so that the transportation is convenient and the utilization rate of the carbon powder in the carbon powder cartridge can be greatly improved.

[0031] In the present invention, a hollow powder leakage groove 9433 is provided at the junction of the first paddle 9431 and the connecting plate 941. The hollow powder leakage groove 9433 can be used to discharge carbon powder from the hollow powder leakage groove 9433 when carbon powder is excessively accumulated.

[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 powder feeding mechanism for a carbon powder cartridge, comprising a housing (1), a clamping portion (2) connected to the carbon powder cartridge being provided at one end of the housing (1), an air bag mounting portion (3) being provided at the other end of the housing (1), a powder discharge port (4) being provided at the lower portion of the housing (1), and a valve plate mounting seat (5) being provided at a position corresponding to the powder discharge port (4) at the lower portion of the housing (1), characterized in that: A partition (6) capable of isolating the powder discharge port (4) from the airbag mounting portion (3) is provided in the airbag mounting portion (3), and a plurality of air holes (7) capable of connecting the airbag mounting portion (3) and the powder discharge port (4) are provided on the partition (6).

2. A powder feeding mechanism for a carbon powder cartridge according to claim 1, characterized in that: The number of the air holes (7) is two to eight, and the air holes (7) are distributed along the circumference on the partition (6).

3. A powder feeding mechanism for a carbon powder cartridge according to claim 2, characterized in that: An internal connection thread (8) is provided in the airbag mounting portion (3).

4. A powder feeding mechanism for a carbon powder cartridge according to claim 1, characterized in that: A stirring mechanism (9) is provided in the clamping portion (2).

5. A powder feeding mechanism for a carbon powder cartridge according to claim 4, characterized in that: The stirring mechanism (9) comprises a connecting base (91), two supporting frames (92) are symmetrically arranged on the connecting base (91), a spiral blade (93) is arranged between the two supporting frames (92), and a powder stirring mechanism (94) is arranged at the feeding end of the spiral blade (93).

6. A powder feeding mechanism for a carbon powder cartridge according to claim 5, characterized in that: A connecting hole groove (10) is provided on the connecting base (91), and a clamping protrusion (11) is provided at a position corresponding to the connecting hole groove (10) on the partition plate (6), and the clamping protrusion (11) is clamped in the connecting hole groove (10).

7. A powder feeding mechanism for a carbon powder cartridge according to claim 5, characterized in that: The powder-pumping mechanism (94) comprises a connecting plate (941) arranged at a feeding end of the spiral plate (93), baffles (942) are respectively arranged on both sides of the connecting plate (941), the baffles (942) are connected to the support frame (92), and the powder-pumping plates (943) are staggeredly arranged on the connecting plate (941).

8. A powder feeding mechanism for a carbon powder cartridge according to claim 7, characterized in that: The powder-digging piece (943) comprises a first digging piece (9431) flush with the connecting plate (941), and a second digging piece (9432) capable of guiding carbon powder into the inlet of the spiral piece (93) is provided on the first digging piece (9431).

9. A powder feeding mechanism for a carbon powder cartridge according to claim 8, characterized in that: A hollow powder leakage groove (9433) is provided at the junction of the first paddle (9431) and the connecting plate (941).

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