Quantitative powder control mechanism for selenium drum of laser printer

Abstract

The utility model belongs to the technical field of printer equipment, and discloses a quantitative powder control mechanism for a selenium drum of a laser printer, which comprises a body mechanism for containing carbon powder and a powder taking mechanism arranged in the body mechanism and used for rotating to drive the carbon powder to be discharged, a powder cleaning mechanism for adsorbing, collecting and cleaning waste carbon powder is arranged on one side of the bottom of the body mechanism, the body mechanism comprises a shell, a top cover is arranged at the top of the shell, a powder box cover is arranged in the middle of the bottom of the top cover, and a carbon powder box is arranged in the middle in the shell. According to the quantitative powder control mechanism for the toner cartridge of the laser printer, carbon powder is driven to be discharged through rotation, carbon powder blockage is effectively avoided, powder discharging is more uniform, the printing effect is improved, quantitative control over the carbon powder is easier to achieve through indirect powder discharging of the rotary groove, the use convenience is improved, and the production efficiency is improved. And through the arrangement of waste powder adsorption and collection, non-contact waste powder cleaning is achieved, element damage is avoided, and the use cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to printer equipment technical field, especially, relate to a laser printer selenium drum quantitative powder control mechanism. BACKGROUND

[0002] Selenium drum, also known as photosensitive drum, is generally made of aluminum basic base material, then photosensitive material is coated on the base material, in laser printer, more than 70% of imaging components are concentrated in selenium drum, and the quality of printing quality is actually determined by selenium drum quality to a great extent, therefore, selenium drum not only determines the quality of printing quality, but also determines the money that user needs to spend in use.

[0003] The patent with the patent number CN214252899U discloses a kind of for laser printer selenium drum quantitative powder control device, including selenium drum body, carbon powder bin and dismounting assembly, the lower surface of the selenium drum body is provided with through groove, and through groove is communicated with selenium drum body, the inner wall of the through groove is rotatably connected with drum core, the inner wall of the through groove is fixedly installed with scraper, and the outer surface of scraper and the outer surface of drum core are mutually pasted, the inside of the selenium drum body is provided with first sliding slot, the upper surface of the inner wall of the selenium drum body is provided with two groups of second sliding slot.

[0004] But the carbon powder of above-mentioned patent falls freely on drum core through through hole, powder hole may be blocked, powder is not uniform, printing effect is affected, and using scraping to collect waste powder may be damaged to drum core, increase use cost, therefore a new device is designed. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of laser printer selenium drum quantitative powder control mechanism to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of laser printer selenium drum quantitative powder control mechanism, including the body mechanism for containing carbon powder, further including the powder taking mechanism for rotating and driving carbon powder to be taken out of powder, which is arranged in the body mechanism, the powder cleaning mechanism for adsorbing and collecting and cleaning waste carbon powder is arranged on one side of the bottom of the body mechanism.

[0008] The powder taking mechanism includes a DC motor, a transmission shaft is installed on the output end of the DC motor, and a powder taking roller is installed on the transmission shaft, and a plurality of powder storage grooves are formed in the powder taking roller;

[0009] The powder cleaning mechanism includes an air suction row, a plurality of powder suction holes are arranged inside the air suction row, a powder collecting box is arranged on one side above the air suction row, an air suction hose is arranged between the powder collecting box and the air suction row, an air suction pump is arranged on the top of the powder collecting box, and a box door is arranged in front of the powder collecting box.

[0010] Furthermore: the main body mechanism includes a shell, a top cover is provided on the top of the shell, a powder box cover is provided in the middle of the bottom of the top cover, a toner box is provided in the middle of the inside of the shell, a powder outlet groove is provided at the bottom of the toner box, a drum core is provided at the bottom of the shell, a charging roller is provided on one side above the drum core, and a powder transfer roller is provided on one side of the charging roller.

[0011] Furthermore, the charging roller and the powder transfer roller are respectively arranged close to the drum core, and the charging roller and the powder transfer roller are symmetrically arranged on both sides below the powder outlet groove.

[0012] Furthermore: the powder taking roller is key-connected to the transmission shaft.

[0013] Furthermore, the powder taking roller is slidably connected to the bottom of the carbon powder box.

[0014] Furthermore: the air suction row is arranged on one side of the drum core, and the air suction row is bolted to the bottom of the shell.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The setting of rotating toner to discharge effectively avoids toner blockage, discharges toner more evenly and improves printing effect;

[0017] 2. The indirect powder discharge through the rotating groove makes it easier to control the quantitative control of carbon powder and improves the convenience of use;

[0018] 3. The setting of collecting waste powder by adsorption realizes contactless cleaning of waste powder, avoids damage to components and reduces the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of a quantitative powder control mechanism for a laser printer toner cartridge according to the present invention;

[0020] Figure 2 This is a schematic diagram of the main structure of a quantitative powder control mechanism for a laser printer cartridge according to the present invention;

[0021] Figure 3 This is a schematic diagram of the powder taking mechanism structure of a laser printer toner cartridge quantitative powder control mechanism described in the utility model;

[0022] Figure 4This is an axonometric diagram of a powder cleaning mechanism of a laser printer toner cartridge quantitative powder control mechanism described in the utility model;

[0023] In the accompanying drawings, 101 is a shell; 102 is a top cover; 103 is a powder box cover; 104 is a toner box; 105 is a powder outlet slot; 106 is a drum core; 107 is a charging roller; 108 is a powder transfer roller; 201 is a DC motor; 202 is a transmission shaft; 203 is a powder taking roller; 204 is a powder storage tank; 301 is an air suction exhaust; 302 is a powder suction hole; 303 is a powder collecting box; 304 is an air suction hose; 305 is an air suction pump; 306 is a box door. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1-4 A laser printer toner cartridge quantitative powder control mechanism includes a main body mechanism for containing toner, a powder taking mechanism arranged inside the main body mechanism for rotating and driving the toner to discharge powder, and a powder cleaning mechanism for absorbing, collecting and cleaning waste toner provided on one side of the bottom of the main body mechanism.

[0026] In this embodiment, the main body includes a shell 101, a top cover 102 is provided on the top of the shell 101, a powder box cover 103 is provided in the middle of the bottom of the top cover 102, a toner box 104 is provided in the middle of the shell 101, a powder outlet slot 105 is provided at the bottom of the toner box 104, a drum core 106 is provided at the bottom of the shell 101, a charging roller 107 is provided on one side above the drum core 106, a powder transfer roller 108 is provided on one side of the charging roller 107, and the charging roller 107 and the powder transfer roller 108 are respectively close to the drum core 106. 6 setting, the charging roller 107 and the powder transfer roller 108 are symmetrically arranged on both sides below the powder outlet slot 105. The top cover 102 of the housing 101 is opened, and at the same time, the top cover 102 drives the powder box cover 103 to open the toner box 104, and toner is added to the toner box 104. The top cover 102 is closed to seal the toner box 104, and the toner falls freely between the charging roller 107 and the powder transfer roller 108. The charging roller 107 transmits static electricity to the drum core 106, and the drum core 106 rotates to cooperate with the powder transfer roller 108 to absorb the toner to print;

[0027] In this embodiment, the powder collecting mechanism includes a DC motor 201, a transmission shaft 202 is installed at the output end of the DC motor 201, a powder collecting roller 203 is installed on the transmission shaft 202, a plurality of powder storage grooves 204 are provided on the powder collecting roller 203, the powder collecting roller 203 is key-connected to the transmission shaft 202, and the powder collecting roller 203 is slidably connected to the bottom of the carbon powder box 104. The rotation of the DC motor 201 drives the powder collecting roller 203 to rotate through the transmission shaft 202, and the rotation of the powder collecting roller 203 drives the carbon powder in the powder storage groove 204 to rotate;

[0028] In this embodiment: the powder cleaning mechanism includes an air suction row 301, a plurality of powder suction holes 302 are arranged inside the air suction row 301, a powder collecting box 303 is arranged on the upper side of the air suction row 301, an air suction hose 304 is arranged between the powder collecting box 303 and the air suction row 301, an air suction pump 305 is arranged on the top of the powder collecting box 303, a box door 306 is arranged in front of the powder collecting box 303, the air suction row 301 is arranged on one side of the drum core 106, the air suction row 301 is bolted to the bottom of the shell 101, the air suction pump 305 uses the air suction hose 304 to absorb the residual carbon powder on the drum core 106 through the powder suction holes 302 in the air suction row 301, and stores it in the powder collecting box 303, and opens the box door 306 to clean the waste carbon powder in the powder collecting box 303.

[0029] Working principle: Open the top cover 102 of the shell 101, and at the same time, the top cover 102 drives the powder box cover 103 to open the toner box 104, add toner to the toner box 104, close the top cover 102 to seal the toner box 104, and the toner falls freely into the powder storage tank 204. The shell 101 supports the DC motor 201 to rotate through the transmission shaft 202 to drive the powder roller 203 to rotate. The rotation of the powder roller 203 drives the toner in the powder storage tank 204 to rotate. When the powder storage tank 204 is in contact with the toner, the toner will be discharged. When the powder outlet slots 105 overlap, the toner falls freely between the charging roller 107 and the powder transfer roller 108. The charging roller 107 introduces static electricity into the drum core 106. The drum core 106 rotates to cooperate with the powder transfer roller 108 to absorb the toner for printing. The suction pump 305 uses the suction hose 304 to absorb the residual toner on the drum core 106 through the powder suction hole 302 in the suction exhaust 301, and stores it in the powder collection box 303. The box door 306 is opened to clean the waste toner in the powder collection box 303.

[0030] Although the 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 these 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 toner quantitative control mechanism for a laser printer cartridge, comprising a body for containing toner, characterized in that: It also includes a powder taking mechanism disposed inside the main body for rotating and driving the carbon powder to be discharged, and a powder cleaning mechanism disposed on one side of the bottom of the main body for absorbing, collecting and cleaning waste carbon powder; The powder collecting mechanism comprises a DC motor (201), a transmission shaft (202) is installed at the output end of the DC motor (201), a powder collecting roller (203) is installed on the transmission shaft (202), and a plurality of powder storage grooves (204) are provided on the powder collecting roller (203); The powder cleaning mechanism comprises an air suction row (301), a plurality of powder suction holes (302) are arranged inside the air suction row (301), a powder collecting box (303) is arranged on one side above the air suction row (301), an air suction hose (304) is arranged between the powder collecting box (303) and the air suction row (301), an air suction pump (305) is arranged on the top of the powder collecting box (303), and a box door (306) is arranged in front of the powder collecting box (303).

2. A laser printer toner cartridge quantitative powder control mechanism according to claim 1, characterized in that: The main body mechanism comprises a shell (101), a top cover (102) is provided on the top of the shell (101), a powder box cover (103) is provided in the middle of the bottom of the top cover (102), a toner box (104) is provided in the middle of the inside of the shell (101), a powder outlet slot (105) is provided at the bottom of the toner box (104), a drum core (106) is provided at the bottom of the shell (101), a charging roller (107) is provided on one side above the drum core (106), and a powder transfer roller (108) is provided on one side of the charging roller (107).

3. The laser printer toner cartridge quantitative powder control mechanism according to claim 2, characterized in that: The charging roller (107) and the powder transfer roller (108) are respectively arranged close to the drum core (106), and the charging roller (107) and the powder transfer roller (108) are symmetrically arranged on both sides below the powder outlet groove (105).

4. The laser printer toner cartridge quantitative powder control mechanism according to claim 1, characterized in that: The powder collecting roller (203) is key-connected to the transmission shaft (202).

5. The laser printer toner cartridge quantitative powder control mechanism according to claim 2, characterized in that: The powder collecting roller (203) is slidably connected to the bottom of the carbon powder box (104).

6. The laser printer toner cartridge quantitative powder control mechanism according to claim 2, characterized in that: The air suction row (301) is arranged on one side of the drum core (106), and the air suction row (301) is bolted to the bottom of the shell (101).

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