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CN-224226248-U - Paper feeder of laser printer

CN224226248UCN 224226248 UCN224226248 UCN 224226248UCN-224226248-U

Abstract

The utility model discloses a laser printer paper feeding device relates to laser printer paper feeding technical field, solves among the prior art laser printer paper feeding device when the paper feeding, and the paper easily appears blocking or many send into these problems simultaneously, including the carton, the inner wall of carton articulates there is the loading board, the first motor of bottom fixedly connected with of carton, the bottom inner wall rotation of carton is connected with the threaded rod. When the paper is conveyed by the paper rubbing wheel, the paper rubbing force of the paper rubbing wheel is precisely controlled, so that the paper is stably conveyed from the paper box to a printing area in the printer, the printing speed is improved, and the probability that the paper is jammed and damaged in the conveying process and a plurality of paper sheets are simultaneously conveyed is reduced.

Inventors

  • GAN SHUHUA

Assignees

  • 北京高德品创科技有限公司

Dates

Publication Date
20260512
Application Date
20250120

Claims (7)

  1. 1. The utility model provides a laser printer paper feeding device, its characterized in that includes carton (1), the inner wall of carton (1) articulates there is loading board (2), the bottom fixedly connected with first motor (3) of carton (1), the bottom inner wall rotation of carton (1) is connected with threaded rod (4), the main shaft of first motor (3) runs through the bottom inner wall of carton (1) to its inside and with the bottom fixed connection of threaded rod (4), the cover is equipped with push tube (5) rather than carrying out threaded connection on threaded rod (4), fixedly connected with slide (6) between the top of push tube (5), the top of slide (6) is provided with push rod (7) of symmetry setting, the one end of push rod (7) runs through slide (6) and is by junction sliding connection, the bottom sliding connection of loading board (2) has slider (8), the other end of slider (8) with the top of push rod (7) articulates, the outer wall cover of push rod (7) is equipped with compression spring (9), compression spring (9) respectively with the top of slide (8) and the top of slide (6) of bearing respectively, a paper rubbing mechanism for rubbing off and conveying stacked paper sheets to a printing position in the printer is arranged in the paper box (1).
  2. 2. The paper feeding device of a laser printer according to claim 1, wherein the paper rubbing mechanism comprises an inclined paper feeding plate (10), the paper feeding plate (10) is fixedly connected to the inner wall of the paper box (1), the inner wall of the paper box (1) is fixedly connected with a storage cover (11), the outer wall of the paper box (1) is fixedly connected with a second motor (12), a main shaft of the second motor (12) penetrates through the paper box (1) and the storage cover (11) to the inside of the storage cover (11), a pressure sensor (13) electrically connected with the first motor (3) is fixedly connected to the inner wall of the top of the storage cover (11), the other end of the pressure sensor (13) is fixedly connected with a fixing frame (14), the inner wall of the fixing frame (14) is rotatably connected with a paper rubbing wheel (15), and one end of the main shaft of the second motor (12) penetrating into the storage cover (11) penetrates through the fixing frame (14) and is fixedly connected with a rotating shaft of the paper rubbing wheel (15).
  3. 3. The laser printer paper feeding device according to claim 2, further comprising a limit groove (16) which is symmetrically arranged is formed in the inner end wall of the fixed cover, a limit block (17) is slidably connected to the inner wall of the limit groove (16), an adjusting pressure spring (18) is fixedly connected to the bottom of the limit groove (17), the other end of the adjusting pressure spring (18) is fixedly connected to the bottom inner wall of the limit groove (16), a lower clamping roller (19) is rotatably connected to the inner wall of the accommodating cover (11), an eccentric wheel (20) is hinged to the outer wall of the limit block (17) through a torsion spring, an upper clamping roller (21) is hinged to the other end of the eccentric wheel (20) through a torsion spring, a smooth ratchet wheel (22) is fixedly connected to the outer wall of a main shaft of the second motor (12), the smooth ratchet wheel (22) is synchronously rotatably connected with a rotating shaft of the upper clamping roller (21) through an elastic belt, a paper feeding and paper returning channel for paper passing through is formed between the upper clamping roller (21) and the lower clamping roller (19), an eccentric wheel (20) is fixedly connected to the outer wall of the accommodating cover (11), and an eccentric wheel (20) is fixedly connected to an eccentric bar (24).
  4. 4. A laser printer paper feeder according to claim 2, characterized in that the top of the paper output board (10) is fixedly connected with a rubber paging device (25).
  5. 5. A laser printer paper feeding device according to claim 2, characterized in that a photoelectric sensor (26) is arranged on the inner wall of the paper box (1), and the photoelectric sensor (26) is electrically connected with the second motor (12).
  6. 6. A laser printer paper feeding device according to claim 4, characterized in that the top of the bearing plate (2) is fixedly connected with a symmetrically arranged paper baffle plate (27).
  7. 7. A laser printer paper feeding device according to claim 2, characterized in that the end of the paper feeding plate (10) close to the bearing plate (2) is arc-shaped.

Description

Paper feeder of laser printer Technical Field The utility model relates to a laser printer paper feeding technical field, more specifically say, relate to laser printer paper feeding device. Background The laser printer is a device for printing by utilizing laser technology, one of the core components is an internal paper feeding device, the paper feeding device is responsible for feeding paper to a printing position after the paper is taken out from a paper box, the paper feeding device plays a vital role in the working process of the laser printer, the paper feeding device in the prior art extrudes and pulls the stacked paper in the paper box to the printing position in the printer through a rotating paper rubbing wheel, but in the process, the paper is easy to be jammed or a plurality of sheets of paper are fed into the printer at the same time. In view of this, we propose a laser printer paper feeding device. Disclosure of utility model The utility model aims at providing a laser printer paper feeding dress aims at solving among the prior art laser printer paper feeding device when the paper feeding, and the paper easily appears blocking or many send into these problems simultaneously. In order to solve the technical problem, the novel technical scheme comprises that the paper feeding device of the laser printer comprises a paper box, a bearing plate is hinged to the inner wall of the paper box, a first motor is fixedly connected to the bottom of the paper box, a threaded rod is rotatably connected to the inner wall of the bottom of the paper box, a spindle of the first motor penetrates through the inner wall of the bottom of the paper box to the inside of the inner wall of the bottom of the paper box and is fixedly connected with the bottom of the threaded rod, a push pipe in threaded connection with the threaded rod is sleeved on the threaded rod, a sliding plate is fixedly connected between the tops of the push pipes, symmetrically arranged push rods are arranged at the tops of the sliding plates, one ends of the push rods penetrate through the sliding plate and are in sliding connection with the penetrated parts of the sliding plate, a sliding block is connected to the bottoms of the bearing plate in a sliding mode, a bearing pressure spring is sleeved on the outer wall of the push rod, and two ends of the bearing pressure spring are respectively abutted to the tops of the sliding plate and the bottoms of the sliding block, and a paper rubbing mechanism for rubbing stacked paper sheets and conveying the stacked paper sheets to the printing positions inside the printer is arranged inside the paper box. Preferably, the paper rubbing mechanism comprises an inclined paper outlet plate, the paper outlet plate is fixedly connected with the inner wall of the paper box, the storage cover is fixedly connected with the inner wall of the paper box, the second motor is fixedly connected with the outer wall of the paper box, the main shaft of the second motor penetrates through the paper box and the storage cover to the inside of the storage cover, the pressure sensor which is electrically connected with the first motor is fixedly connected with the inner wall of the top of the storage cover, the other end of the pressure sensor is fixedly connected with the fixing frame, the paper rubbing wheel is rotatably connected with the inner wall of the fixing frame, and the main shaft of the second motor penetrates through one end in the storage cover and penetrates through the fixing frame and the rotating shaft of the paper rubbing wheel is fixedly connected with the main shaft of the second motor. Preferably, the spacing groove that the symmetry set up has been seted up to the inside end wall of fixed cover, the inner wall sliding connection of spacing groove has the stopper, the bottom fixedly connected with of stopper adjusts pressure spring, adjust pressure spring's the other end with the bottom inner wall fixed connection of spacing groove, the inner wall rotation of accomodating the cover is connected with down the pinch roller, the outer wall of stopper articulates through the torsional spring has the eccentric wheel, the other end of eccentric wheel articulates through the torsional spring has last pinch roller, the main shaft outer wall fixedly connected with smooth ratchet of second motor, smooth ratchet with go up the pivot of pinch roller and carry out synchronous rotation through elastic belt and be connected, go up the pinch roller with form between the pinch roller down and be used for the paper feed, return paper passageway, accomodate the inner wall fixedly connected with of cover with curved push pedal of eccentric wheel outer wall laminating, the outer wall fixedly connected with pin of eccentric wheel. Preferably, the top of the paper outlet board is fixedly connected with a paging device made of rubber materials. Preferably, a photoelectric sensor is arranged on the inner wall of the paper box, an