CN113941418A

CN113941418A - Paper shredder

Info

Publication number: CN113941418A
Application number: CN202111211247.4A
Authority: CN
Inventors: 温太忠
Original assignee: Individual
Current assignee: Maoxin Hardware Products Shenzhen Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-01-18
Anticipated expiration: 2041-10-18
Also published as: CN113941418B

Abstract

The invention relates to the technical field of paper shredders, in particular to a paper shredder, which comprises a box body, wherein one surface of the box body is provided with a paper feeding mechanism, the surface of the paper feeding mechanism is a front surface, the bottom of the box body is provided with a paper storage box, two vertically-installed wall plates vertical to the front surface are arranged in the box body, and the wall plates are provided with a paper shredding mechanism and a wind power mechanism; the paper feeding mechanism comprises a paper feeding port fixed on the box body, and two sides of the paper feeding port are provided with closed cavities; the paper shredding mechanism comprises a motor arranged on one side of the wall plate far away from the other wall plate, and a first output shaft penetrating through the two wall plates is fixedly connected to the motor; the wind mechanism comprises a wind box arranged on one side of the wallboard without the motor far away from the other wallboard, and a wind box support fixedly connected with the wallboard is arranged below the wind box. The paper shredder can relieve the problem that a person manually aligns to the paper inlet to shred paper, automatically shred the paper without causing paper jam, further strengthen the paper shredding capability of the paper shredder and improve the confidentiality.

Description

Paper shredder

Technical Field

The invention belongs to the technical field of paper shredders, and particularly relates to a paper shredder.

Background

Paper documents are now often handled to prevent information leakage, and paper shredders are often the best choice in the face of large numbers of paper documents. The existing paper shredder generally needs to manually align paper with a strip-shaped paper inlet, and crush the paper by oppositely rolling through a pair of fixed hobbing cutters, because the strip-shaped paper inlet needs to be larger than the paper, paper is easily jammed when too much paper is put in, and the paper putting process needs to be held by hands until most of the paper enters the paper shredder, which is very inconvenient. And the paper which enters the fixed hob and is cut can still be spliced and restored, and the confidentiality is insufficient.

Disclosure of Invention

The present invention is directed to solving the above-mentioned problems of the prior art, and provides a paper shredder which can automatically align and feed paper after the paper is placed in a paper feeding opening, and prevent paper jam and crush the paper when the paper is cut.

In order to achieve the purpose, the invention adopts the following technical scheme: a paper shredder comprises a box body, wherein a paper feeding mechanism is arranged on one surface of the box body, the paper feeding mechanism surface is a front surface, a paper storage box is arranged at the bottom of the box body, two vertically-installed wall plates perpendicular to the front surface are arranged in the box body, and a paper shredding mechanism and a wind power mechanism are arranged on the wall plates;

the paper feeding mechanism comprises a paper feeding port fixed on the box body, and two sides of the paper feeding port are provided with closed cavities;

the paper shredding mechanism comprises a motor arranged on one side of the wallboard far away from the other wallboard, and a first output shaft penetrating through the two wallboards is fixedly connected to the motor;

the wind power mechanism comprises a wind box which is arranged on one side of the wallboard without the motor and far away from the other wallboard, and a wind box support fixedly connected with the wallboard is arranged below the wind box.

Preferably, paper feed mechanism is still including installing the vibrating motor in one side cavity, vibrating motor output end fixed connection output shaft, the oblique below of output shaft is equipped with the transmission shaft of rotating the connection between the wallboard, the transmission shaft with be equipped with the conveyer belt on the output shaft, the transmission shaft top is equipped with the paper feed cylinder, leave the paper feed clearance between paper feed cylinder and conveyer belt. The transmission shaft is equipped with first gear of motor one side fixed connection at the wallboard, the paper feed cylinder is equipped with the second gear of motor one side fixed connection at the wallboard, first gear and second gear meshing transmission. Two open on cavity and the box contact surface has the air inlet, open the left and right sides in the paper feed inlet has a plurality of ventholes, is equipped with the trachea between venthole and the air inlet and is connected.

Preferably, shredded paper mechanism still include with the motor with wallboard fixed connection's motor support, be located the oblique below of transmission shaft run through establish pivoted shredded paper sleeve on the wallboard, first output shaft with shredded paper sleeve is coaxial, first output shaft runs through two wallboards and gets into in the bellows, first output shaft is close to motor one side fixedly connected with third gear, the wallboard that is equipped with motor one side is being close to motor one side, fixedly connected with gear strut between shredded paper sleeve and the first output shaft, rotate on the gear strut and connect the fourth gear, fourth gear and third gear engagement, shredded paper sleeve inboard is located fourth gear one end is equipped with the flank of tooth, flank of tooth and fourth gear engagement, first output shaft with gear engagement transmission between the shredded paper sleeve. And a semicircular plate is fixedly connected between the two wallboards, and the inner circular surface of the shredded paper sleeve is attached to and slides along the outer circular surface of the semicircular plate.

Preferably, the circumferential surface of the shredding sleeve is uniformly distributed with a group of shredding knife holders which are fixedly connected, the paper shredding knife rest is transversely and uniformly distributed on the paper shredding sleeve, the upper end of the paper shredding knife rest is provided with a knife groove, a paper shredding cutter head is connected in the cutter groove in a sliding way, a return spring is arranged between the paper shredding cutter head and the bottom of the cutter groove, the paper shredding knife rest is provided with an air passage which penetrates through the paper shredding sleeve and the paper shredding knife rest, two ends of the outer circular surface of the semicircular plate are provided with limiting bulges, two sliding grooves which enable the shredded paper sleeve to move left and right when rotating are formed on the inner circular surface of the shredded paper sleeve corresponding to the limiting bulges, the oblique below correspondence of shredded paper sleeve is equipped with the shredded paper board, shredded paper board lower extreme for with when the shredded paper tool bit contact can make the tool bit retract curved surface in the shredded paper tool rest, the shredded paper board with shredded paper tool bit contact segment gathers the arch that has the broken paper effect.

Preferably, wind power mechanism still includes bellows is close to two intake pipes of wallboard one side fixed connection, the intake pipe intercommunication bellows with inside the shredded paper sleeve, bellows keeps away from wallboard one side is opened there is the outlet duct, be connected through the trachea between the air inlet of seting up on outlet duct and the cavity, first output shaft is in be equipped with in the bellows and produce when rotating right the fan leaf of suction in the shredded paper sleeve, bellows is close to wallboard one side still is equipped with two pneumatic valves.

Has the advantages that: the paper feeding device does not limit the placement position of paper in the paper feeding process, does not need to align the paper to the paper feeding port for paper shredding like a traditional paper shredder, can automatically straighten the paper during paper feeding, and limits the paper feeding quantity through the paper feeding roller, thereby preventing the paper jam phenomenon.

When the shredded paper, set up the shredded paper arch on the shredded paper board to the shredded paper sword can move about paper pressure is gone on the shredded paper board when rotating the cutting, has further strengthened the shredded paper ability, has increased shredded paper function perfection, has strengthened the security to the file.

Drawings

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

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a cross-sectional view taken at line E-E of FIG. 4;

FIG. 6 is a cross-sectional view taken at FIG. 3C-C;

fig. 7 is a partial enlarged view of fig. 6 at D.

In the figure: the paper shredding machine comprises a box body 1, a paper storage box 2 conveyor belt 3, a paper inlet 4, a wall plate 5, a motor 6, a motor support 7, a paper shredding sleeve 8, an air box support 9, an air box 10, an air outlet pipe 11, a fan blade 12, an air inlet pipe 13, a first gear 14, a second gear 15, a paper feeding roller 16, a transmission shaft 17, a fourth gear 18, a third gear 19, a gear support rod 20, a first output shaft 21, a semicircular plate 22, a limiting protrusion 23, a paper shredding plate 24, a protrusion 25, an air pressure valve 26, a vibration motor 401, an output shaft 402, a cavity 403, an air inlet 404, an air outlet 405, a paper shredding knife rest 801, a paper shredding knife head 802, a reset spring 803, an air passage 804, a sliding groove 805, a tooth surface 806 and a knife groove 807.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

In the description of the present invention, it should be noted that the terms "inside", "below", and the like refer to orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention conventionally place when used, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

With reference to fig. 1-7, a paper shredder comprises a box body 1, wherein one side of the box body is provided with a paper feeding mechanism, the side provided with the paper feeding mechanism is a front side, the bottom of the box body 1 is provided with a paper storage box 2, two vertically-arranged wall plates 5 perpendicular to the front side are arranged in the box body 1, and the wall plates 5 are provided with a paper shredding mechanism and a wind power mechanism;

the paper feeding mechanism comprises a paper feeding port 4 fixed on the box body 1, and two sides of the paper feeding port 4 are provided with closed cavities 403;

the paper shredding mechanism comprises a motor 6 arranged on one side of the wall plate far away from the other wall plate, and a first output shaft 21 penetrating through the two wall plates 5 is fixedly connected to the motor 6;

the wind mechanism comprises a wind box 10 arranged on one side of the wallboard without the motor far away from the other wallboard, and a wind box support 9 fixedly connected with the wallboard 5 is arranged below the wind box 10.

Further, the paper feeding mechanism further comprises a vibration motor 401 arranged in a cavity 403 on one side, the output end of the vibration motor 401 is fixedly connected with an output shaft 402, a transmission shaft 17 rotatably connected between the wall plates is arranged below the output shaft 402 in an inclined mode, the transmission shaft 17 and the output shaft 402 are provided with a conveyor belt 3, a paper feeding roller 16 is arranged above the transmission shaft 17, and a paper feeding gap is reserved between the paper feeding roller 16 and the conveyor belt 3. The transmission shaft 17 is fixedly connected with a first gear 14 at one side of the wallboard provided with the motor 6, the paper feeding roller 16 is fixedly connected with a second gear 15 at one side of the wallboard provided with the motor 6, and the first gear 14 and the second gear 15 are in meshing transmission. Air inlets 404 are arranged on the contact surfaces of the two cavities 403 and the box body 1, a plurality of air outlets 405 are arranged on the left side and the right side in the paper inlet 4, and air pipes are arranged between the air outlets 405 and the air inlets 404 for connection.

Further, the paper shredding mechanism further comprises a motor support 7 fixedly connected with the motor 6 and the wall plate 5, a paper shredding sleeve 8 which is located below the transmission shaft 17 and penetrates through the wall plate 5 to rotate, a first output shaft 21 and the paper shredding sleeve 8 are coaxial, the first output shaft 21 penetrates through the two wall plates 5 and enters the air box 10, a third gear 19 is fixedly connected to one side, close to the motor, of the first output shaft, a gear support rod 20 is fixedly connected between the paper shredding sleeve 8 and the first output shaft 21, a fourth gear 18 is rotatably connected to the gear support rod 20, the fourth gear 18 is meshed with the third gear 19, a tooth surface 806 is arranged at one end, located at one side of the fourth gear 18, of the inner side of the paper shredding sleeve 8, the tooth surface 806 is meshed with the fourth gear 18, and the first output shaft 21 and the paper shredding sleeve 8 are in gear meshing transmission. A semicircular plate 22 is fixedly connected between the two wallboards 5, and the inner circle surface of the paper shredding sleeve 8 is attached to the outer circle surface of the semicircular plate 22 to slide.

Further, 15 shredding knife holders 801 fixedly connected are uniformly distributed on the circumferential surface of the shredding sleeve 8 to form a group, 38 groups of shredding knife holders 801 are uniformly distributed on the shredding sleeve in the transverse direction, a knife groove 807 is formed in the upper end of each shredding knife holder 801, a shredding knife head 802 is connected in the knife groove 807 in a sliding mode, a return spring 803 is arranged between each shredding knife head and the bottom of the knife groove, an air passage 804 penetrating through the shredding sleeve 8 and the shredding knife holders 801 is formed in each shredding knife holder 803, limiting protrusions 23 are arranged at two ends of the outer circumferential surface of the semicircular plate 22, two sliding grooves 805 enabling the shredding sleeve 8 to move left and right in the rotating process are formed in the inner circumferential surface of the shredding sleeve 8 corresponding to the limiting protrusions 23, a shredding plate 24 is correspondingly arranged below the shredding sleeve 8, a curved surface enabling the knife head to retract into the shredding knife holders 801 when the shredding knife head 802 is in contact with the lower end of the shredding plate 24, and protrusions 25 with the shredding knife head 802 for shredding are densely distributed on the contact part of the shredding plate 24.

Further, wind power mechanism still includes that bellows 10 is close to two intake pipes 13 of 5 one sides fixed connection of wallboard, intake pipe 13 intercommunication bellows 10 and shredded paper sleeve 8 are inside, it has outlet duct 11 to open on one side of 5 of wallboard far away from of bellows 10, be connected through the trachea between the air inlet 404 of seting up on outlet duct 11 and the cavity, first output shaft 21 is equipped with the fan leaf 12 of producing the suction in the shredded paper sleeve 8 when rotating in bellows 10, bellows 10 still is equipped with two pneumatic valves 26 near 5 one side of wallboard.

The working principle is as follows: with reference to fig. 1-7, an operator puts paper into the paper feeding port 4, the paper feeding port is provided with an inductive switch, after detecting that the paper enters, the vibration motor 401 is turned on, the output shaft 402 fixedly connected to the vibration motor 401 rotates and generates vibration to drive the conveyor belt 3 connected to the output shaft 402 to start rotating and vibrating, the conveyor belt 3 is connected to the transmission shaft 17 and the output shaft 402, so the transmission shaft 17 starts rotating, the first gear 14 arranged at one end of the transmission shaft 17 rotates at the same time to drive the second gear 15 meshed with the first gear 14 to rotate, and the second gear 15 is fixedly connected to the paper feeding roller 16, so the paper feeding roller 16 also rotates at the same time.

When the vibrating motor is turned on, the motor 6 is also turned on, the first output shaft 21 fixedly connected to the motor 6 starts to rotate to drive the fan blade 12 in the air box 10 to rotate to generate air flow, air in the paper shredding sleeve is sucked and flows out through the air outlet pipe 11, the air outlet pipe 11 is connected with the air inlet 404, and the air inlet 404 is connected with the air outlet 405, so that wind power generated in the air box is blown out through the air outlet 405, paper is swung to be at the right position on a conveying belt under the action of vibration and air hole wind power, because the minimum distance between the paper feeding roller 16 and the conveying belt is 1-2mm, the phenomenon of jamming caused by excessive paper entering the paper shredding mechanism is avoided, after the paper passes through the paper feeding roller 16, because the air passage 804 penetrating through the paper shredding cutter head 801 and the paper shredding sleeve 8 is arranged in the paper shredding sleeve 8, the air sucked by the suction force of the air box 10 in the paper shredding sleeve 8 is sucked through the paper shredding cutter head 802, when the sheet passes through the sheet feed roller 8, the sheet is sucked by air suction at the lower paper shredder head 802.

When the first output shaft 21 rotates, the third gear 19 fixed on the shaft rotates, the fourth gear 18 is rotatably connected on the gear support rod 20 and is driven by the third gear 19, the fourth gear 18 is meshed with the inner circular surface tooth surface 806 of the paper shredding sleeve 8, so the paper shredding sleeve 8 also starts to rotate at the same time, because the two ends of the outer circular surface of the semicircular plate 22 fixed between the wall walls are provided with the limit bulges 23, the inner circular surface of the paper shredding sleeve 8 is provided with two sliding grooves 805 which enable the paper shredding sleeve 8 to move left and right when rotating corresponding to the limit bulges 23, the paper shredding cutter head 802 can also transversely reciprocate when the paper shredding sleeve 8 rotates, paper is adsorbed on the paper shredding cutter head 802 and enters the paper shredding sleeve 8 along with the rotation of the paper shredding sleeve 8 to cut between the paper shredding sleeve 8 and the obliquely-arranged paper shredding plate 24 below, when the paper shredding cutter head 802 contacts the paper shredding plate 24, the air passage 804 is closed because of the semicircular plate 22 fixed between the wall plates 5, prevent that the shredded paper bits that adsorb on shredded paper tool bit 802 from getting into shredded paper sleeve 8. When cutting, because the shredding knife rest 801 is provided with the knife groove 807, when the pressure of the shredding board 24 is applied, the shredding knife head 802 retreats into the knife groove 807 and squeezes the paper on the shredding board 24, and because the shredding sleeve 8 moves left and right when rotating, the shredding knife head 802 drives the paper to move left and right on the shredding board 24, and the shredding board 24 is densely provided with the protrusions 25 with the paper shredding function, the paper completes shredding under the action of the protrusions 25 for cutting and shredding the paper on the shredding board 24 and falls into the paper storage box 2 along with the rotation of the shredding knife head, and after the shredding knife head 802 leaves the shredding board, the shredding knife head 802 is popped again under the influence of the return spring 803, and continues to suck the paper and perform the above work.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A paper shredder comprises a box body (1), and is characterized in that: one side of the box body is provided with a paper feeding mechanism, the side provided with the paper feeding mechanism is the front side, the bottom of the box body (1) is provided with a paper storage box (2), two vertically-installed wall plates (5) perpendicular to the front side are arranged in the box body (1), and a paper shredding mechanism and a wind power mechanism are arranged on the wall plates (5);

the paper feeding mechanism comprises a paper feeding port (4) fixed on the box body (1), and two sides of the paper feeding port (4) are provided with closed cavities (403);

the paper shredding mechanism comprises a motor (6) arranged on one side of the wallboard far away from the other wallboard, and a first output shaft (21) penetrating through the two wallboards (5) is fixedly connected to the motor (6);

the wind power mechanism comprises a wind box (10) which is arranged on one side, away from the other wallboard, of the wallboard without the motor, and a wind box support (9) fixedly connected with the wallboard (5) is arranged below the wind box (10).

2. The paper shredder according to claim 1, characterized in that: the paper feeding mechanism further comprises a vibration motor (401) installed in the cavity (403) on one side, an output shaft (402) is fixedly connected with the output end of the vibration motor (401), a transmission shaft (17) rotatably connected between the wall plates is arranged below the output shaft (402) in an inclined mode, a conveying belt (3) is arranged on the transmission shaft (17) and the output shaft (402), a paper feeding roller (16) is arranged above the transmission shaft (17), and a paper feeding gap is reserved between the paper feeding roller (16) and the conveying belt (3).

3. The paper shredder according to claim 2, characterized in that: transmission shaft (17) are equipped with first gear of motor (6) one side fixed connection (14) at the wallboard, paper feed roller (16) are equipped with motor (6) one side fixed connection second gear (15) at the wallboard, first gear (14) and second gear (15) meshing transmission, two it has air inlet (404) to open on cavity (403) and box (1) contact surface, it has a plurality of ventholes (405) to open in paper feed mouth (4) the left and right sides, is equipped with the trachea between venthole (405) and air inlet (404) and is connected.

4. The paper shredder according to claim 1, characterized in that: the shredded paper mechanism further comprises a motor support (7) fixedly connected with the motor (6) and the wall plate (5), a paper shredding sleeve (8) which is arranged below the transmission shaft (17) and penetrates through the wall plate (5) to rotate is arranged, the first output shaft (21) and the paper shredding sleeve (8) are coaxial, the first output shaft (21) penetrates through the two wall plates (5) and enters the air box (10), the first output shaft is close to a third gear (19) fixedly connected with one side of the motor, the wall plate (5) arranged on one side of the motor (6) is close to one side of the motor, a gear support rod (20) is fixedly connected between the paper shredding sleeve (8) and the first output shaft (21), the gear support rod (20) is rotatably connected with a fourth gear (18), the fourth gear (18) is meshed with the third gear (19), the inner side of the paper shredding sleeve (8) is arranged on one end of the fourth gear (18) and is provided with a tooth surface (806), the tooth surface (806) is meshed with a fourth gear (18), the first output shaft (21) and the paper shredding sleeve (8) are in gear meshing transmission, a semicircular plate (22) is fixedly connected between the two wallboards (5), and the inner circular surface of the paper shredding sleeve (8) is attached to the outer circular surface of the semicircular plate (22) in a sliding mode.

5. The shredder according to claim 4, wherein: the paper shredding machine is characterized in that the paper shredding knife rest (801) which is uniformly distributed with 15 fixed connections on the circumferential surface of the paper shredding sleeve (8) is in a group, the paper shredding sleeve is transversely and uniformly distributed with 38 groups of the paper shredding knife rest (801), the upper end of the paper shredding knife rest (801) is provided with a knife groove (807), the knife groove (807) is internally and slidably connected with a paper shredding knife head (802), a reset spring (803) is arranged between the paper shredding knife head and the bottom of the knife groove, the paper shredding knife rest (803) is provided with an air passage (804) penetrating through the paper shredding sleeve (8) and the paper shredding knife rest (801), two ends of the outer circular surface of the semicircular plate (22) are provided with limiting bulges (23), the inner circular surface of the paper shredding sleeve (8) is correspondingly provided with two sliding grooves (805) which enable the paper shredding sleeve (8) to move left and right when rotating, and the paper shredding sleeve (8) is correspondingly provided with a paper shredding plate (24) below the oblique direction, the lower end of the paper shredding plate (24) is a curved surface which enables a cutter head to retract into the paper shredding cutter rest (801) when the paper shredding cutter head (802) is in contact with the lower end of the paper shredding plate, and protrusions (25) with a paper shredding effect are densely distributed on the contact part of the paper shredding plate (24) and the paper shredding cutter head (802).

6. The paper shredder according to claim 1, characterized in that: wind power generation constructs still includes bellows (10) are close to two intake pipe (13) of wallboard (5) one side fixed connection, intake pipe (13) intercommunication bellows (10) with inside shredded paper sleeve (8), bellows (10) are kept away from it has outlet duct (11) to open wallboard (5) one side, be connected through the trachea between air inlet (404) of seting up on outlet duct (11) and the cavity, first output shaft (21) are in it is right to produce when rotating in bellows (10) fan blade (12) of suction in shredded paper sleeve (8), bellows (10) are close to wallboard (5) one side still is equipped with two pneumatic valves (26).