CN115157910A

CN115157910A - Full-automatic pencil sharpener

Info

Publication number: CN115157910A
Application number: CN202210805203.2A
Authority: CN
Inventors: 陈仲恒; 梁继武; 李长华
Original assignee: Guangzhou Eagle Technology Development Co ltd
Current assignee: Guangzhou Eagle Technology Development Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-10-11

Abstract

The invention discloses a full-automatic pencil sharpener, which comprises a pencil sharpener main body and a control console, wherein the control console is arranged on one side of the top end of the pencil sharpener main body, the inner walls of two sides of the control console are respectively connected with one ends of two sides of a lifting plate in a sliding mode, locking bolts are respectively in threaded connection with the middle of the other ends of the two sides of the lifting plate, one ends of the two locking bolts are respectively fixedly connected with the middle of the outer sides of two clamping plates, the clamping plates are arranged inside clamping holes, the clamping holes are arranged in the middle of one side of the top end of the lifting plate, a screw rod is in threaded connection with the middle of the other side of the top end of the lifting plate, and insertion holes are formed in the middle of the other side of the top end of the pencil sharpener main body. According to the full-automatic pencil sharpener, the lifting motor, the second driving gear, the second driven gear, the screw, the lifting plate, the clamping plate, the locking bolt and the contact switch are arranged, so that a pencil can be effectively cut by the cutting mechanism, the pencil can be prevented from being excessively cut, and the practicability of the full-automatic pencil sharpener is effectively improved.

Description

Full-automatic pencil sharpener

Technical Field

The invention relates to a pencil sharpener, in particular to a full-automatic pencil sharpener, and belongs to the technical field of stationery.

Background

The pencil sharpener is a pencil sharpening tool and is a necessary stationery for students. The pencil sharpener has two types of designs, namely a single-hole design and a double-hole design. With the continuous progress of society, the living standard of people is continuously improved, the demand is also continuously improved, and the full-automatic pencil sharpener is available in each family and office.

In the prior art, the automatic pencil feeding and discharging mechanism of the full-automatic pencil sharpener adopts a power device to drive a rubber wheel to rotate so as to realize feeding and discharging of a pencil, but the pencil feeding and discharging control mode cannot accurately feed and withdraw the pencil, so that the pencil is not effectively cut or is excessively cut, and the practicability of the full-automatic pencil sharpener is reduced.

Disclosure of Invention

The invention aims to provide a full-automatic pencil sharpener, and aims to solve the problem that the full-automatic pencil sharpener in the prior art cannot accurately feed and withdraw a pencil, so that the pencil is not effectively cut or is excessively cut, and the practicability of the full-automatic pencil sharpener is reduced.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a full-automatic pencil sharpener, includes pencil sharpener main part and control cabinet, one side on pencil sharpener main part top is provided with the control cabinet, the inner wall of control cabinet both sides respectively with the one end sliding connection of lifter plate both sides, the equal threaded connection in middle part of the lifter plate both sides other end has a locking bolt, two locking bolt's one end respectively with the middle part fixed connection in the two grip blocks outside, and the grip block sets up the inside at the grip block, the grip block sets up the middle part in lifter plate top one side, the middle part threaded connection of lifter plate top opposite side has the screw rod, the middle part of pencil sharpener main part top opposite side has seted up the through-hole, and the through-hole should set up with the grip hole, the cutting groove has been seted up to one side at pencil sharpener main part top, the middle part on cutting groove top rotates with one side on cutting mechanism top through circular turn round slot and ring turn round block, and round turn round block setting up the outside on cutting mechanism advances a hole, the opposite side at pencil sharpener main part top has seted up the lift chamber, the bottom in lift chamber is provided with the bottom of lift motor, the output shaft of drive gear is connected with the middle part fixed connection of second bottom, the top of the side of the second gear is connected with the top of the side of the T-shaped turning block and T-shaped screw rod, the top of the T-shaped rotary block and T-shaped rotary block, T-shaped rotary block is connected with the top of the driven gear.

As a preferred technical scheme of the present invention, the cutting mechanism includes a tool rest, one side of the top end of the inner wall of the tool rest is rotatably connected to the middle of the top end of the hob, the middle of the bottom end of the hob is rotatably connected to one side of the bottom end of the inner wall of the tool rest through a second rotating shaft, a contact switch is embedded in the other side of the bottom end of the inner wall of the tool rest, a third rotating shaft is arranged in the middle of one side of the bottom end of the tool rest, a first driving gear is sleeved on the top of the third rotating shaft, the side of the first driving gear is engaged with the side of a first driven gear, and the first driven gear is arranged at the bottom of the second rotating shaft.

As a preferable technical scheme of the invention, a groove is formed in the inner wall of one side of the pen inlet hole of the cutting mechanism, a microswitch is arranged in the middle of the inner wall of one end of the groove, two sides of the inner wall of one end of the groove are respectively and fixedly connected with two sides of one end of the touch block through springs, and the other end of the touch block is in sliding connection with the other end of the groove.

As a preferred technical scheme of the invention, a rotating cavity is formed in one side of the bottom of the pencil sharpener main body, a rotating motor is arranged in the rotating cavity, an output shaft of the rotating motor is fixedly connected with the middle of one end of a steering gear, the middle of the top end of the steering gear is fixedly connected with the bottom end of a first rotating shaft, and the top end of the first rotating shaft is connected with the middle of the bottom end of a third rotating shaft in a clamping manner through a square clamping block and a square clamping groove.

According to a preferable technical scheme, two sides of the inner walls of two ends of the cutting groove are respectively provided with a square sliding groove, and one end of each square sliding groove is in sliding connection with two sides of two ends of the transparent observation window through a square sliding block.

As a preferred technical scheme of the invention, four corners of the bottom end of the pencil sharpener main body are provided with the foot pads, and the bottom ends of the four foot pads are respectively fixedly connected with the top ends of the four anti-skid pads.

As a preferred technical scheme of the invention, a battery cavity is formed in the other side of the bottom of the pencil sharpener main body, two batteries are placed in the battery cavity, a starting switch is arranged on one side of the pencil sharpener main body, the lifting motor and the rotating motor are electrically connected with the batteries through the starting switch, and the rotating motor and the lifting motor are electrically connected with the micro switch and the contact switch through internal circuits respectively.

Compared with the prior art, the invention has the beneficial effects that: the invention relates to a full-automatic pencil sharpener, which is characterized in that a lifting motor, a second driving gear, a second driven gear, a screw rod, a lifting plate, a clamping plate, a locking bolt and a contact switch are arranged, a pencil is inserted through a clamping hole, the locking bolt is screwed down, the clamping plate fixes the pencil, the lifting motor drives the screw rod to rotate in the forward direction through the second driving gear and the second driven gear, so that the lifting plate descends and then drives the pencil to perform automatic pencil feeding operation, the height between the lifting plate and a sharpener main body is fixed, so that the pencil feeding height is fixed, the pencil can be effectively cut by a cutting mechanism, when the pencil is properly cut, the pencil point just contacts the contact switch, so that the lifting motor rotates reversely, the lifting plate can be driven to ascend, the pencil is automatically withdrawn, excessive pencil cutting is prevented, and the practicability of the full-automatic pencil sharpener is effectively improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of a pencil sharpener body according to the present invention;

FIG. 3 is an enlarged view of the invention at A;

FIG. 4 is an enlarged view of the invention at B;

FIG. 5 is a schematic front view of the cutting mechanism of the present invention;

FIG. 6 is a schematic cross-sectional view of a cutting mechanism according to the present invention;

fig. 7 is an enlarged view of the present invention at C.

In the figure: 1. a sharpener body; 2. a console; 3. a lifting plate; 4. a clamping plate; 5. a clamping hole; 6. Locking the bolt; 7. inserting holes; 8. cutting a groove; 9. a cutting mechanism; 10. a square chute; 11. a square slider; 12. a transparent viewing window; 13. a foot pad; 14. a non-slip mat; 15. a circular rotary groove; 16. a tool holder; 17. hobbing cutters; 18. a rotation chamber; 19. rotating the motor; 20. a steering gear; 21. a first rotating shaft; 22. a lifting cavity; 23. a lifting motor; 24. a screw; 25. a battery chamber; 26. a battery; 27. a second rotating shaft; 28. a first driven gear; 29. a third rotating shaft; 30. a square clamping groove; 31. a square fixture block; 32. a second driving gear; 33. a second driven gear; 34. t-shaped rotating blocks; 35. a T-shaped rotary groove; 36. A circular ring rotating block; 37. a contact switch; 38. a first drive gear; 39. a groove; 40. a spring; 41. A touch block; 42. a micro switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-7, the invention provides a full-automatic pencil sharpener, which comprises a pencil sharpener main body 1 and a control console 2, wherein the control console 2 is arranged on one side of the top end of the pencil sharpener main body 1, the inner walls on the two sides of the control console 2 are respectively connected with one end of the two sides of a lifting plate 3 in a sliding manner, the middle part of the other end of the two sides of the lifting plate 3 is in threaded connection with a locking bolt 6, one end of each locking bolt 6 is respectively fixedly connected with the middle part of the outer sides of two clamping plates 4, the clamping plates 4 are arranged inside clamping holes 5, the clamping holes 5 are arranged in the middle part of one side of the top end of the lifting plate 3, the middle part of the other side of the top end of the lifting plate 3 is in threaded connection with a screw 24, the middle part of the other side of the top end of the pencil sharpener main body 1 is provided with through holes 7, and the through holes 7 are arranged corresponding to the clamping holes 5, the cutting groove 8 is formed in one side of the top of the pencil sharpener main body 1, the middle of the top end of the cutting groove 8 is rotatably connected with one side of the top end of the cutting mechanism 9 through the circular rotating groove 15 and the circular rotating block 36, the circular rotating block 36 is arranged on the outer side of a pencil feeding hole of the cutting mechanism 9, the lifting cavity 22 is formed in the other side of the top of the pencil sharpener main body 1, the bottom end of the lifting cavity 22 is provided with the lifting motor 23, the output shaft of the lifting motor 23 is fixedly connected with the middle of the bottom end of the second driving gear 32, the side of the second driving gear 32 is meshed with the side of the second driven gear 33, the middle of the top end of the second driven gear 33 is rotatably connected with the middle of the top end of the lifting cavity 22 through the T-shaped rotating block 34 and the T-shaped rotating groove 35, and the middle of the top end of the T-shaped rotating block 34 is fixedly connected with the bottom end of the screw 24.

Preferably, the cutting mechanism 9 includes a tool rest 16, one side of the top end of the inner wall of the tool rest 16 is rotatably connected with the middle of the top end of the hob 17, the middle of the bottom end of the hob 17 is rotatably connected with one side of the bottom end of the inner wall of the tool rest 16 through a second rotating shaft 27, a contact switch 37 is embedded on the other side of the bottom end of the inner wall of the tool rest 16, a third rotating shaft 29 is arranged in the middle of one side of the bottom end of the tool rest 16, a first driving gear 38 is sleeved on the top of the third rotating shaft 29, the side of the first driving gear 38 is meshed with the side of a first driven gear 28, the first driven gear 28 is arranged at the bottom of the second rotating shaft 27, and the pencil can be cut.

Preferably, a groove 39 is formed in the inner wall of one side of the pencil feeding hole of the cutting mechanism 9, a microswitch 42 is arranged in the middle of the inner wall of one end of the groove 39, two sides of the inner wall of one end of the groove 39 are fixedly connected with two sides of one end of a touch block 41 through springs 40 respectively, and the other end of the touch block 41 is connected with the other end of the groove 39 in a sliding manner, so that whether a pencil enters the cutting mechanism 9 or not can be sensed to turn on the rotating motor 19; the rotation chamber 18 has been seted up to one side of sharpener main part 1 bottom, and the inside of rotating chamber 18 is provided with rotates motor 19, rotates the output shaft of motor 19 and the middle part fixed connection of steering gear 20 one end, and the middle part on steering gear 20 top and the bottom fixed connection of first pivot 21, the top of first pivot 21 is passed through square fixture block 31 and square draw-in groove 30 and is connected with the middle part block of third pivot 29 bottom, can drive knife rest 16 and hobbing cutter 17 and rotate.

Preferably, both sides of the inner walls of both ends of the cutting groove 8 are provided with square sliding grooves 10, one ends of the four square sliding grooves 10 are respectively connected with both sides of both ends of a transparent observation window 12 in a sliding manner through square sliding blocks 11, so that the cutting condition of the pencil can be observed in real time, and the transparent observation window 12 can be taken down so as to pour out chips in the cutting groove 8; four corners at the bottom end of the pencil sharpener main body 1 are provided with the foot pads 13, the bottom ends of the four foot pads 13 are respectively fixedly connected with the top ends of the four anti-skid pads 14, and the placing stability of the full-automatic pencil sharpener can be improved; cut the opposite side of ware main part 1 bottom and seted up battery chamber 25, two batteries 26 have been placed to the inside in battery chamber 25, and one side of cutting ware main part 1 is provided with starting switch, and lift motor 23 and rotation motor 19 pass through starting switch and battery 26 electric connection, and rotation motor 19 and lift motor 23 pass through internal line and micro-gap switch 42 and contact switch 37 electric connection respectively.

When the full-automatic pencil sharpener is used, a pencil is inserted into the clamping hole 5, the locking bolt 6 is screwed down, so that the clamping plate 4 clamps and fixes the pencil in the clamping hole 5, the lifting motor 23 drives the second driven gear 33 to rotate forward through the second driving gear 32, the second driven gear 33 drives the T-shaped rotating block 35 to rotate forward while rotating forward, the screw 24 is driven to rotate forward, the screw 24 is in threaded connection with the lifting plate 3, so that the lifting plate 3 is driven to descend while rotating forward, the lifting plate 3 descends while clamping and fixing the pencil in the clamping hole 5, the pencil extrudes the contact block 41 at the moment when entering the pencil hole of the sharpening mechanism 9, so that the contact block 41 slides towards the inside of the groove 39 and contacts with the microswitch 42 to start the rotating motor 19, the rotating motor 19 drives the first rotating shaft 21 to rotate through the steering gear 20, the first rotating shaft 21 drives the third rotating shaft 29 which is clamped and connected with the third rotating shaft 29 to rotate, the pencil is driven shaft 29 to rotate gradually, the pencil is driven to rotate, the pencil sharpening motor 29 to rotate gradually, and the pencil 23 rotates to cut the pencil point, and the pencil is controlled by the second driving gear 23, and the second driven shaft 23 to rotate backwards, and rotate, and the pencil when the pencil sharpening mechanism 9 rotates, and the pencil is operated, and the pencil 23.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate agent, and may be used for communicating the inside of two elements or interacting relation of two elements, unless otherwise specifically defined, and the specific meaning of the terms in the present invention can be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A full-automatic pencil sharpener comprises a pencil sharpener main body (1) and a control console (2), and is characterized in that the control console (2) is arranged on one side of the top end of the pencil sharpener main body (1), the inner walls of two sides of the control console (2) are respectively in sliding connection with one ends of two sides of a lifting plate (3), the middle portions of the other ends of two sides of the lifting plate (3) are respectively in threaded connection with locking bolts (6), one ends of the two locking bolts (6) are respectively in fixed connection with the middle portions of the outer sides of two clamping plates (4), the clamping plates (4) are arranged inside clamping holes (5), the clamping holes (5) are arranged in the middle of one side of the top end of the lifting plate (3), the middle portion of the other side of the top end of the lifting plate (3) is in threaded connection with a screw rod (24), the middle portion of the other side of the top end of the pencil sharpener main body (1) is provided with a through hole (7), the through hole (7) is arranged corresponding to the clamping holes (5), one side of the top end of the pencil sharpener main body (1) is provided with a cutting groove (8), the middle portion of the top end of the pencil sharpener main body is provided with a round rotating block (15) and a round rotating block (36), and a pencil sharpening mechanism (22) is arranged on one side of the top end of the pencil sharpener main body (9), the bottom in lift chamber (22) is provided with elevator motor (23), the output shaft of elevator motor (23) and the middle part fixed connection of second driving gear (32) bottom, the avris of second driving gear (32) is connected with the avris meshing of second driven gear (33), the middle part on second driven gear (33) top is passed through T shape commentaries on classics piece (34) and T shape revolving chute (35) and is connected with the middle part rotation on lift chamber (22) top, and the bottom fixed connection on the middle part on T shape commentaries on classics piece (34) top and screw rod (24).

2. The full-automatic pencil sharpener of claim 1, wherein: cutting mechanism (9) are including knife rest (16), one side on knife rest (16) inner wall top is rotated with the middle part on hobbing cutter (17) top and is connected, the middle part of hobbing cutter (17) bottom is rotated through second pivot (27) and one side of knife rest (16) inner wall bottom and is connected, the opposite side of knife rest (16) inner wall bottom is inlayed and is equipped with contact switch (37), the middle part of knife rest (16) bottom one side is provided with third pivot (29), the top cover of third pivot (29) is equipped with first driving gear (38), the avris of first driving gear (38) is connected with the avris meshing of first driven gear (28), and first driven gear (28) set up the bottom in second pivot (27).

3. The full-automatic pencil sharpener of claim 2, wherein: a groove (39) is formed in the inner wall of one side, entering the pen hole, of the cutting mechanism (9), a micro switch (42) is arranged in the middle of the inner wall of one end of the groove (39), two sides of the inner wall of one end of the groove (39) are fixedly connected with two sides of one end of a touch block (41) through springs (40), and the other end of the touch block (41) is connected with the other end of the groove (39) in a sliding mode.

4. The full-automatic pencil sharpener of claim 3, wherein: cut one side of a ware main part (1) bottom and seted up rotation chamber (18), the inside of rotating chamber (18) is provided with rotates motor (19), the middle part fixed connection of the output shaft of rotating motor (19) and steering gear (20) one end, the middle part on steering gear (20) top and the bottom fixed connection of first pivot (21), the top of first pivot (21) is passed through square fixture block (31) and square draw-in groove (30) and is connected with the middle part block of third pivot (29) bottom.

5. The full-automatic pencil sharpener according to claim 1, characterized in that: square sliding grooves (10) are formed in the two sides of the inner walls of the two ends of the cutting groove (8), and four square sliding grooves (10) are connected with the two sides of the two ends of the transparent observation window (12) in a sliding mode through square sliding blocks (11) respectively.

6. The full-automatic pencil sharpener of claim 1, wherein: four corners of the bottom end of the pencil sharpener main body (1) are provided with pad feet (13), and the bottom ends of the pad feet (13) are fixedly connected with the top ends of the four anti-skid pads (14) respectively.

7. The full-automatic pencil sharpener of claim 4, wherein: cut a ware main part (1) the opposite side of bottom and seted up battery chamber (25), two batteries (26) have been placed to the inside in battery chamber (25), one side of cutting a ware main part (1) is provided with starting switch, elevator motor (23) and rotation motor (19) are through starting switch and battery (26) electric connection, rotation motor (19) and elevator motor (23) are respectively through internal line and micro-gap switch (42) and contact switch (37) electric connection.