CN113351318B

CN113351318B - Irregular kibbling kneader of preventing divulging a secret

Info

Publication number: CN113351318B
Application number: CN202110552544.9A
Authority: CN
Inventors: 吴稳
Original assignee: Guangdong Bangze Chuangke Electric Appliance Co Ltd
Current assignee: Guangdong Bangze Chuangke Electric Appliance Co Ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-12-20
Anticipated expiration: 2041-05-20
Also published as: CN113351318A

Abstract

The invention provides an irregular-crushing secret-leakage-proof paper shredder, which comprises a casing, wherein a cover is arranged on the casing, and a paper shredding component is arranged in the casing; the paper shredding assembly comprises a motor, a driving gear is fixed on an output shaft of the motor, the driving gear is connected with a first driven gear, a second driven gear and a third driven gear in a meshed mode, the second driven gear is connected with a fourth driven gear in a meshed mode, an eccentric gear is coaxially fixed on the third driven gear, the eccentric gear is connected with a fifth driven gear in a meshed mode, and the outer contour of the eccentric gear comprises a toothed part and a smooth part; the first driven gear is fixedly connected with a first shredded paper hob, the fourth driven gear is fixedly connected with a second shredded paper hob, and the fifth driven gear is fixedly connected with a third shredded paper hob. The paper sheet cutting machine can cut paper sheets passing through the paper sheet cutting machine into a large number of irregular fragments, is high in reduction difficulty and good in confidentiality, can effectively work only through one motor in the whole structure, and is simple in whole structure, energy-saving and efficient.

Description

Irregular kibbling kneader of preventing divulging a secret

Technical Field

The invention relates to a paper shredder, and particularly discloses an anti-leakage paper shredder for irregular shredding.

Background

The paper shredder consists of a set of rotating blades, a paper comb and a driving motor, and paper is fed from the middle of the blades and is divided into a plurality of thin straight pieces to achieve the aim of keeping secret.

The paper shredder is usually internally provided with two hobbing cutters with cutting edges, paper is fed between the two hobbing cutters, and the driving motor drives the hobbing cutters to divide the paper.

Disclosure of Invention

Therefore, it is necessary to provide an irregular-shredding-preventing shredder which can cut paper into a large number of irregular fragments, and has high reduction difficulty and good confidentiality, aiming at the problems in the prior art.

In order to solve the prior art problem, the invention discloses an irregular-crushing anti-disclosure paper shredder, which comprises a casing, wherein a machine cover is arranged on the casing, a paper shredding component is arranged in the casing, a paper inlet is arranged in the machine cover, and the paper shredding component is positioned on one side of the paper inlet;

the paper shredding assembly comprises a motor, a driving gear is fixed on an output shaft of the motor, the driving gear is connected with a first driven gear, a second driven gear and a third driven gear in a meshed mode, the second driven gear is connected with a fourth driven gear in a meshed mode, an eccentric gear is coaxially fixed on the third driven gear, the eccentric gear is connected with a fifth driven gear in a meshed mode, and the outer contour of the eccentric gear comprises a toothed part and a smooth part;

the first driven gear is fixedly connected with a first shredded paper hob, the fourth driven gear is fixedly connected with a second shredded paper hob, the fifth driven gear is fixedly connected with a third shredded paper hob, the first shredded paper hob, the second shredded paper hob and the third shredded paper hob are tangent in pairs, the first shredded paper hob and the second shredded paper hob are located between the third shredded paper hob and a paper inlet, and the first shredded paper hob, the second shredded paper hob and the third shredded paper hob are all hob mechanisms;

the hobbing cutter mechanism comprises a rotating shaft, the two ends of the rotating shaft are connected with the casing through bearings, a prismatic clamping shaft is fixedly connected outside the rotating shaft, a plurality of cutter wheels arranged side by side are sleeved outside the clamping shaft, clamping holes are formed in the cutter wheels, and the clamping shaft is connected in the clamping holes in a clamping mode.

Furthermore, a push-pull yielding port is formed in the bottom of one side of the machine shell, a waste material box penetrating through the push-pull yielding port is arranged in the machine shell, and a push-pull handle is arranged on one side, away from the machine shell, of the waste material box.

Further, a first paper guide plate and a second paper guide plate are fixed in the cover, one end of the first paper guide plate and one end of the second paper guide plate are connected to two opposite edges of the paper inlet respectively, a paper guide channel is formed between the first paper guide plate and the second paper guide plate, and one end of the paper guide channel is opposite to the position between the first paper shredding hobbing cutter and the second paper shredding hobbing cutter.

Furthermore, the radius of the first driven gear is R, and the radius of the fourth driven gear is R, and R is not equal to R.

Furthermore, the central angle of the smooth part is 60-180 degrees by taking the rotating center of the eccentric gear as the center of a circle.

Furthermore, the clamping shaft is of a regular polygon prism structure with even number of sides, the outer contour of each cutter wheel comprises odd number of cutter teeth, and the projections of the outer contours of two adjacent cutter wheels along the direction of the rotating shaft are not overlapped.

Furthermore, one side of the cutter wheel is fixed with a limiting piece, the radius of the limiting piece is smaller than that of the cutter wheel, the limiting hole penetrates through the limiting piece, and the thickness of the limiting piece is equal to that of the cutter wheel.

Furthermore, a positioning plate is fixed at one end of the clamping shaft, a positioning cover is arranged at the other end of the clamping shaft, a yielding hole is formed in the positioning cover, and the rotating shaft penetrates through the yielding hole.

Furthermore, one side of the positioning cover close to the positioning plate is provided with a clamping groove, and the clamping groove is buckled at one end of the clamping shaft far away from the positioning plate.

The invention has the beneficial effects that: the invention discloses an irregular-crushing anti-disclosure paper shredder which is provided with three groups of paper shredding hob structures, paper is subjected to cutting and crushing processing successively twice, the crushing degree of the paper shredding can be effectively improved, a first paper shredding hob and a second paper shredding hob can rotate uninterruptedly in the process that a motor works continuously, a third paper shredding hob stops rotating in certain time intervals, the paper passing through the first paper shredding hob and the third paper shredding hob which are partially overlapped in the starting and stopping time intervals can be cut into a large number of irregular fragments, the reduction difficulty of the paper is high, the confidentiality is good, the whole structure can effectively work only by one motor, the whole structure is simple, the paper shredding effect is good, the energy is saved, the efficiency is high, and the device cost is low.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic front view of the present invention.

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A' of FIG. 2.

Fig. 4 is an exploded view of the present invention.

FIG. 5 is an exploded view of the shredder assembly of the present invention.

Fig. 6 is an exploded view of the hob mechanism according to the present invention.

Reference numerals: the paper shredder comprises a machine shell 10, a push-pull allowance opening 11, a waste box 12, a push-pull handle 121, a machine cover 20, a paper feeding opening 21, a first paper guide plate 22, a second paper guide plate 23, a paper shredding assembly 30, a motor 31, a driving gear 32, a first driven gear 33, a second driven gear 34, a third driven gear 35, a fourth driven gear 36, an eccentric gear 37, a insection part 371, a smooth part 372, a fifth driven gear 38, a first paper shredding hob 41, a second paper shredding hob 42, a third paper shredding hob 43, a hob mechanism 50, a rotating shaft 51, a bearing 511, a clamping shaft 52, a knife wheel 53, a clamping hole 531, a knife tooth 532, a limiting piece 54, a positioning plate 55, a positioning cover 56, a abdicating hole 561 and a clamping groove 562.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Refer to fig. 1 to 6.

The embodiment of the invention discloses an irregular-crushing secret-leakage-preventing paper shredder, which comprises a casing 10, wherein a cover 20 is arranged on the casing 10, a paper shredding component 30 is arranged in the casing 10, a paper inlet 21 is arranged in the cover 20, and the paper shredding component 30 is positioned on one side of the paper inlet 21;

the paper shredding assembly 30 comprises a motor 31, a body of the motor 31 can be arranged outside the machine shell 10 or inside the machine shell 10, a driving gear 32 is coaxially fixed on an output shaft of the motor 31, a first driven gear 33, a second driven gear 34 and a third driven gear 35 are connected outside the driving gear 32 in a meshed mode, the first driven gear 33, the second driven gear 34 and the third driven gear 35 are not in contact with each other, the second driven gear 34 is connected with a fourth driven gear 36 in a meshed mode, the fourth driven gear 36 is not in contact with gears except the second driven gear 34, an eccentric gear 37 is coaxially fixed on the third driven gear 35, the eccentric gear 37 is connected with a fifth driven gear 38 in a meshed mode, the eccentric gear 37 is not in contact with gears except the fifth driven gear 38 and the third driven gear 35, the fifth driven gear 38 is not in contact with gears except the eccentric gear 37, an outer contour of the eccentric gear 37 comprises a toothed portion 371 and a smooth portion 372, the toothed portion 371 comprises a plurality of toothed lines, the smooth portion 372 is smooth and the toothed portion 371 can be connected with the fifth driven gear 38 in a meshed mode, the first driven gear 33, the second driven gear 34, the third driven gear 35 and the fourth driven gear 35 are all in a rotating mode;

the first driven gear 33 is coaxially and fixedly connected with a first shredded paper hob 41, the fourth driven gear 36 is coaxially and fixedly connected with a second shredded paper hob 42, the fifth driven gear 38 is coaxially and fixedly connected with a third shredded paper hob 43, the first shredded paper hob 41, the second shredded paper hob 42 and the third shredded paper hob 43 are tangent in pairs, namely the first shredded paper hob 41 is tangent to the second shredded paper hob 42 and the third shredded paper hob 43 respectively, the second shredded paper hob 42 is tangent to the first shredded paper hob 41 and the third shredded paper hob 43 respectively, the third shredded paper hob 43 is tangent to the first shredded paper hob 41 and the second shredded paper hob 42 respectively, the central points of the three can be connected into a triangle, the first shredded paper hob 41 and the second shredded paper hob 42 are located between the third shredded paper hob 43 and the paper feed opening 21, namely, the paper is in contact with the third shredded paper hob 43 after passing through the first shredded paper hob 41 and the second shredded paper hob 42, and the first shredded paper hob 41, the second shredded paper hob 43 and the third shredded paper hob 50 are all the shredded paper hob mechanism;

the hob mechanism 50 comprises a rotating shaft 51, both ends of the rotating shaft 51 are connected with the machine shell 10 through bearings 511, a prismatic clamping shaft 52 is coaxially and fixedly connected outside the rotating shaft 51, a plurality of parallel knife wheels 53 are sleeved outside the clamping shaft 52, clamping holes 531 are formed in the knife wheels 53, the clamping shaft 52 is connected in the clamping holes 531 in a clamping mode, and the shape and size of the clamping holes 531 are the same as the cross-sectional shape and size of the clamping shaft 52.

The paper shredder can be used for forming irregular shredding effect, paper is inserted into the paper inlet 21, and the paper firstly reaches between the first paper shredding hob 41 and the second paper shredding hob 42 to be shredded and then reaches between the third paper shredding hob 43 and the first paper shredding hob 41 to be shredded. The specific working process of the paper shredding assembly 30 is as follows: the motor 31 drives the driving gear 32 to rotate, so that the first driven gear 33, the second driven gear 34 and the third driven gear 35 are synchronously driven to rotate, and the first driven gear 33 directly drives the first paper shredding hob 41 to rotate paper shredding; the second driven gear 34 drives the second paper shredding hob 42 to rotate paper shredding through the fourth driven gear 36; the third driven gear 35 drives the coaxial eccentric gear 37 to rotate synchronously, and when the thread part 371 faces the fifth driven gear 38, the eccentric gear 37 drives the third shredding knife 43 via the fifth gear to shred paper, and when the smoothing part 372 faces the fifth driven gear 38, the fifth driven gear 38 is not rotated by the rotation of the eccentric gear 37, and at this time, the third shredding knife 43 stops rotating.

Through the manner, the driving gear 32 directly drives the first driven gear 33 to rotate, the driving gear 32 drives the fourth driven gear 36 to rotate through the second driven gear 34, the first paper shredding hob 41 and the second paper shredding hob 42 not only can realize the first paper shredding action, but also can synchronously clamp and bring paper into the inside of the machine shell 10 in the first paper shredding process, so that the arrangement of mechanisms such as an additional feeding roller is omitted, the rotating direction of the third paper shredding hob 43 is the same as that of the second paper shredding hob 42, and similarly, the third paper shredding hob 43 can be matched with the first paper shredding hob 41 to realize the paper shredding and the action of driving the paper to move forwards; in the continuous working process of the motor 31, both the first shredding hob 41 and the second shredding hob 42 can rotate continuously, the third shredding hob 43 stops rotating in certain time intervals due to the fact that the eccentric gear 37 has the smooth part 372, paper is continuously fed to the third shredding hob 43, and therefore the third shredding hob 43 can be matched with the first shredding hob 41 to achieve irregular second shredding action, and the confidentiality effect of paper shredding can be improved. The whole structure can work only by one motor 31, and is simple, good in paper shredding effect, energy-saving, efficient and low in device cost.

In this embodiment, a push-pull position opening 11 is formed in the bottom of one side of the casing 10, a waste material box 12 penetrating through the push-pull position opening 11 is arranged in the casing 10, and a push-pull handle 121 is arranged on one side of the waste material box 12 away from the casing 10, preferably, the push-pull handle 121 may be a concave groove, and waste material after paper shredding can be conveniently cleaned through the waste material box 12.

In this embodiment, a first paper guide plate 22 and a second paper guide plate 23 are fixed in the cover 20, the first paper guide plate 22 and the second paper guide plate 23 may be parallel to each other, one end of the first paper guide plate 22 and one end of the second paper guide plate 23 are respectively connected to two opposite edges of the paper feeding opening 21, a paper guide channel is formed between the first paper guide plate 22 and the second paper guide plate 23, one end of the paper guide channel is connected to the paper feeding opening 21, one end of the paper guide channel, which is far away from the paper feeding opening 21, is opposite to a position between the first shredding hob 41 and the second shredding hob 42, and paper can more reliably reach between the first shredding hob 41 and the second shredding hob 42 through the first paper guide plate 22 and the second paper guide plate 23, thereby effectively ensuring the reliability of paper shredding.

In this embodiment, the radius of the first driven gear 33 is R, the radius of the fourth driven gear 36 is R, R ≠ R, which can ensure that the rotation speeds of the second shredding hob 42 and the third shredding hob 43 are different, so that an irregular shredding effect can be formed when shredding paper for the first time, and the confidentiality of the whole shredding effect can be remarkably improved by matching with the irregular shredding effect for the second time.

In the present embodiment, the central angle of the smooth portion 372 is 60 ° to 180 ° around the center of rotation of the eccentric gear 37, and preferably the central angle of the smooth portion 372 is 120 °, so that the third shredding hob 43 can be stopped for a sufficient period of time with respect to the other two hobs.

In this embodiment, the position-retaining shaft 52 is a regular polygonal prism structure with even number of sides, the outer contour of the knife flywheel 53 includes odd number of knife teeth 532, the direction between the knife flywheel 53 and the position-retaining shaft 52 can be rotated according to the requirement, the position of the knife teeth 532 between the adjacent guide wheels can be changed, the projections of the outer contours of the two adjacent knife pulleys 53 along the extending direction of the rotating shaft 51 do not overlap, and a plurality of knife pulleys 53 are arranged side by side in an irregular manner, so that the irregular degree of paper crushing can be further ensured, the confidentiality of the paper crushing effect can be further improved, and the problem of paper jam can be effectively avoided by the knife pulleys 53 with different adjacent arrangement directions.

In this embodiment, a circular limiting piece 54 is fixed on one side of each cutter wheel 53, preferably, the limiting piece 54 and the cutter wheel 53 are of an integrally formed structure, so that the stability of the hob mechanism 50 can be effectively improved, the radius of the limiting piece 54 is smaller than that of the cutter wheel 53, the blocking hole 531 further penetrates through the limiting piece 54, the thickness of the limiting piece 54 is equal to that of the cutter wheel 53, two adjacent cutter wheels 53 can be effectively spaced through the limiting piece 54, between two adjacent hob mechanisms 50, the cutter wheel 53 in one hob mechanism 50 faces another mechanism spacer, so as to form a mutually meshed structure, so that a more reliable cutting effect can be effectively ensured, preferably, the cutter wheel 53 in the first paper shredding hob 41 faces the limiting piece 54 in the second paper shredding hob 42, and the cutter wheel 53 in the third paper shredding hob 43 faces the limiting piece 54 in the first paper shredding hob 41.

In this embodiment, a positioning plate 55 having a radius not smaller than that of the limiting piece 54 is fixed at one end of the locking shaft 52, a positioning cover 56 is disposed at the other end of the locking shaft 52, a yielding hole 561 is disposed in the positioning cover 56, the rotating shaft 51 passes through the yielding hole 561, the positioning plate 55 is matched with the positioning cover 56 to effectively limit the position between the parallel knife flywheel 53, the bearing 511 is disposed on one side of the limiting piece 54 away from the knife flywheel 53, and the bearing 511 is disposed on one side of the positioning cover 56 away from the knife flywheel 53.

Based on the above embodiment, one side of the positioning cover 56 close to the positioning plate 55 is provided with the locking groove 562, and the locking groove 562 is buckled at one end of the locking shaft 52 far away from the positioning plate 55, so that the stability of the position of the positioning cover 56 can be effectively improved.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The irregular-smashing anti-disclosure paper shredder is characterized by comprising a casing (10), wherein a cover (20) is arranged on the casing (10), a paper shredding component (30) is arranged in the casing (10), a paper inlet (21) is arranged in the cover (20), and the paper shredding component (30) is positioned on one side of the paper inlet (21);

the paper shredding assembly (30) comprises a motor (31), a driving gear (32) is fixed to an output shaft of the motor (31), a first driven gear (33), a second driven gear (34) and a third driven gear (35) are connected to the driving gear (32) in a meshed mode, a fourth driven gear (36) is connected to the second driven gear (34) in a meshed mode, an eccentric gear (37) is coaxially fixed to the third driven gear (35), a fifth driven gear (38) is connected to the eccentric gear (37) in a meshed mode, and the outer contour of the eccentric gear (37) comprises a toothed portion (371) and a smooth portion (372);

the first driven gear (33) is fixedly connected with a first shredded paper hob (41), the fourth driven gear (36) is fixedly connected with a second shredded paper hob (42), the fifth driven gear (38) is fixedly connected with a third shredded paper hob (43), the first shredded paper hob (41), the second shredded paper hob (42) and the third shredded paper hob (43) are tangent in pairs, the first shredded paper hob (41) and the second shredded paper hob (42) are located between the third shredded paper hob (43) and the paper inlet (21), and the first shredded paper hob (41), the second shredded paper hob (42) and the third shredded paper hob (43) are hob mechanisms (50);

the hob mechanism (50) comprises a rotating shaft (51), two ends of the rotating shaft (51) are connected with the machine shell (10) through bearings (511), a prismatic clamping shaft (52) is fixedly connected outside the rotating shaft (51), a plurality of cutter wheels (53) which are arranged side by side are sleeved outside the clamping shaft (52), a clamping hole (531) is formed in each cutter wheel (53), and the clamping shaft (52) is connected into the clamping hole (531) in a clamping manner;

the radius of the first driven gear (33) is R, and the radius of the fourth driven gear (36) is R, R ≠ R.

2. The irregular-crushing anti-disclosure paper shredder according to claim 1, wherein a push-pull relief opening (11) is formed at the bottom of one side of the casing (10), a waste material box (12) passing through the push-pull relief opening (11) is formed in the casing (10), and a push-pull handle (121) is formed at one side of the waste material box (12) far away from the casing (10).

3. The irregular-crushing anti-leakage paper shredder according to claim 1, wherein a first paper guide plate (22) and a second paper guide plate (23) are fixed in the cover (20), one end of the first paper guide plate (22) and one end of the second paper guide plate (23) are respectively connected to two opposite edges of the paper inlet (21), a paper guide channel is formed between the first paper guide plate (22) and the second paper guide plate (23), and one end of the paper guide channel is opposite to the position between the first paper shredding hob (41) and the second paper shredding hob (42).

4. The irregular-crushing divulgence-preventing shredder according to claim 1, wherein the central angle of the smooth part (372) is 60-180 ° around the center of rotation of the eccentric gear (37).

5. The irregular-crushing anti-disclosure paper shredder according to claim 1, wherein the clamping shaft (52) is a regular polygon prism structure with even number of sides, the outer contour of the cutter wheel (53) comprises an odd number of cutter teeth (532), and the projections of the outer contours of two adjacent cutter wheels (53) along the direction of the rotating shaft (51) are not coincident.

6. The irregular-crushing anti-leakage paper shredder according to claim 1, wherein a limiting piece (54) is fixed on one side of the cutter wheel (53), the radius of the limiting piece (54) is smaller than that of the cutter wheel (53), the clamping hole (531) also penetrates through the limiting piece (54), and the thickness of the limiting piece (54) is equal to that of the cutter wheel (53).

7. The irregular-crushing anti-disclosure paper shredder according to claim 1, wherein one end of the clamping shaft (52) is fixed with a positioning plate (55), the other end of the clamping shaft (52) is provided with a positioning cover (56), the positioning cover (56) is provided with a yielding hole (561), and the rotating shaft (51) passes through the yielding hole (561).

8. The irregular-crushing anti-disclosure shredder according to claim 7, wherein the positioning cover (56) is provided with a detent groove (562) on one side close to the positioning plate (55), and the detent groove (562) is fastened to one end of the detent shaft (52) far away from the positioning plate (55).