CN-121989579-A - Automatic pencil sharpening device

CN121989579ACN 121989579 ACN121989579 ACN 121989579ACN-121989579-A

Abstract

The invention provides an automatic pencil sharpening device which comprises a body, wherein a pencil feeding mechanism, a cutting mechanism, a printing mechanism and a positioning mechanism are sequentially arranged in the body along the axial direction, the pencil feeding mechanism comprises a pencil feeding port and a pencil feeding channel, the cutting mechanism comprises a main cutter head, an auxiliary cutter head and a driving part, the driving part drives the main cutter head to cut a pencil point and the auxiliary cutter head to thin a pencil body of a pencil, the printing mechanism comprises a printing wheel and a transmission part, and the driving part drives the cutting mechanism to cut the pencil in a state that the positioning mechanism positions the pencil, and meanwhile, the transmission part drives the printing wheel to contact the pencil body of the pencil and print. Because the main tool bit and the auxiliary tool bit are synchronously driven by the motor, the cutting and thinning procedures can be started immediately after the positioning mechanism finishes the fixation of the pen tool, and the cutting and thinning procedures are in seamless connection with links such as pen feeding, printing and the like, the downtime is reduced, and the overall working efficiency of the device is improved.

Inventors

HE XIANGUI
DU YUCHEN
DONG KE
LIU YUHE

Assignees

上海市眼病防治中心

Dates

Publication Date: 20260508
Application Date: 20260206

Claims (10)

1. An automatic pencil sharpener, comprising: The pen feeding mechanism, the cutting mechanism, the printing mechanism and the positioning mechanism are sequentially arranged in the body along the axial direction; The pen feeding mechanism comprises a pen feeding port and a pen feeding channel, wherein the pen feeding port is arranged at the shaft end of the pen feeding channel, and the pen feeding mechanism is used for conveying a pen tool to the positioning mechanism; The cutting mechanism comprises a main cutter head, an auxiliary cutter head and a driving part, wherein the driving part is respectively connected with the main cutter head and the auxiliary cutter head, the driving part drives the main cutter head to cut a pen point at the same time, and the auxiliary cutter head thins a pen body of the pen tool; The printing mechanism comprises a printing wheel and a transmission part, wherein the output end of the transmission part is connected with the input end of the printing wheel, and the transmission part is used for driving the printing wheel to rotate; And the driving part drives the cutting mechanism to cut the pen under the state that the positioning mechanism is used for positioning the pen, and meanwhile, the transmission part drives the printing wheel to contact with the pen body of the pen and print.
2. The automatic pencil sharpener of claim 1, further comprising a chip collecting bin, wherein a feed port is formed in the top of the chip collecting bin, is located below the positioning mechanism and is communicated with the inner space of the positioning mechanism, and the feed port is used for containing chips and pencil chips generated when the pencil is cut by the cutting mechanism.
3. The automatic pencil sharpener of claim 1, wherein a screw is disposed in the pencil inlet channel, and the screw is used for conveying the pencil from the pencil inlet toward the positioning mechanism.
4. The automatic pencil sharpener of claim 1, wherein the pencil inlet is a conical opening, the large-caliber end of the pencil inlet is arranged towards the outside, the small-caliber end is communicated with the pencil inlet channel, and the conical opening is used for guiding the pencil tools with different outer diameters to smoothly enter the pencil inlet channel and radially position the pencil tools when the pencil tools are inserted.
5. The automatic pencil sharpener of claim 1, wherein the driving member is a motor, and the motor drives the main cutter head and the auxiliary cutter head simultaneously through the linkage assembly.
6. The automatic pencil sharpener of claim 5, wherein the linkage assembly comprises a driving gear and two driven gears, the output shaft of the motor is connected with the driving gear, and the two driven gears are meshed with the rotating shafts of the main cutter head and the auxiliary cutter head respectively.
7. The automatic pencil sharpener of claim 1, wherein the main cutter head and the auxiliary cutter head are rotary cutting blades.
8. The automatic pencil sharpener of claim 1, wherein the embossing wheel has raised pattern grains on its outer surface, and the raised pattern grains transfer corresponding patterns when in contact with the pencil body of the pencil.
9. The automatic pencil sharpener of claim 1, wherein the transmission part comprises a driving source, a first transmission wheel, a second transmission wheel and a wheel shaft of the printing wheel, wherein the first transmission wheel, the second transmission wheel and the wheel shaft of the printing wheel are sequentially connected, the first transmission wheel is driven by the driving source, and power is transmitted to a rotating shaft of the printing wheel through the second transmission wheel so as to drive the printing wheel to rotate.
10. The automatic pencil sharpener of claim 1, wherein said positioning mechanism comprises a retractable positioning jaw, a plurality of said positioning jaws for clamping said pencil tool during cutting and printing to maintain stability.

Description

Automatic pencil sharpening device Technical Field The invention relates to the technical field of pencil sharpening devices, in particular to an automatic pencil sharpening device. Background The automatic pencil sharpening device is a convenient tool for realizing automatic pencil sharpening through a mechanical or electronic structure, and aims to replace the traditional manual pencil sharpener and improve the efficiency, the safety and the usability. The existing automatic pencil sharpening device has the following technical problems that 1, the positioning is inaccurate, the pencil feeding and positioning of most of the existing automatic pencil sharpening devices depend on simple pushing of a push rod, if the diameter of a pencil is not matched with the size of a clamp, the coaxiality deviation of a blade and the pencil is caused, the eccentric sharpening and the like are caused, and the cutting quality of a pencil tool is affected. 2. The cutting device is inconvenient to use and maintain, blades of most products and a motor shaft are designed integrally, special tools are needed to be disassembled, so that a user is difficult to replace the cutting device, and in addition, the cutting device and the printing device are required to be operated separately, so that the use is inconvenient, and the maintenance convenience of the device is reduced. Disclosure of Invention In view of the above-mentioned drawbacks of the prior art, the present invention is to provide an automatic pencil sharpener, which solves the problems of inaccurate positioning and inconvenient use and maintenance of the automatic pencil sharpener in the prior art. To achieve the above object, the present invention provides an automatic pencil sharpener comprising: The pen feeding mechanism, the cutting mechanism, the printing mechanism and the positioning mechanism are sequentially arranged in the body along the axial direction; The pen feeding mechanism comprises a pen feeding port and a pen feeding channel, wherein the pen feeding port is arranged at the shaft end of the pen feeding channel, and the pen feeding mechanism is used for conveying a pen tool to the positioning mechanism; The cutting mechanism comprises a main cutter head, an auxiliary cutter head and a driving part, wherein the driving part is respectively connected with the main cutter head and the auxiliary cutter head, the driving part drives the main cutter head to cut a pen point at the same time, and the auxiliary cutter head thins a pen body of the pen tool; The printing mechanism comprises a printing wheel and a transmission part, wherein the output end of the transmission part is connected with the input end of the printing wheel, and the transmission part is used for driving the printing wheel to rotate; And the driving part drives the cutting mechanism to cut the pen under the state that the positioning mechanism is used for positioning the pen, and meanwhile, the transmission part drives the printing wheel to contact with the pen body of the pen and print. The pencil sharpener is characterized by further comprising a chip collecting bin, wherein a feed inlet is formed in the top of the chip collecting bin, is positioned below the positioning mechanism and is communicated with the inner space of the positioning mechanism, and the feed inlet is used for containing chips and pencil scraps generated when the pencil sharpener is used for cutting the pencil. In the process of cutting the pen point and thinning the pen body by the cutting mechanism, tiny waste materials such as wood dust, graphite dust or plastic dust can be generated, and if the tiny waste materials are not collected in time, the waste materials can be scattered in the device or attached to a cutter and a transmission part, so that the accuracy of subsequent processing and the normal operation of the device are affected. The feed inlet is located positioning mechanism below and communicates rather than inner space, can let the waste material that the cutting produced fall into collection bits storehouse naturally under the action of gravity, realizes concentrating to accomodate, avoids polluting cutter and stamp wheel, keeps the clean of internal environment. Secondly, in the automatic pencil sharpener, cutting and printing can be performed after positioning, if wood chips or pencil scraps remain on the surface of the positioning mechanism or the pencil body, poor contact between the printing wheel and the pencil body and fuzzy patterns can be caused, and even secondary abrasion of a cutter is caused during cutting. The arrangement of the feed inlet and the chip collecting bin can isolate the waste material at the moment of generating the waste material, so that the surfaces of the cutting face and the pen body are ensured to be clean, and the printing quality and the service life of the cutter are ensured. In addition, the design that the feed inlet is located the positioning mechanism below makes