CN116871284A

CN116871284A - Paper shredder for office

Info

Publication number: CN116871284A
Application number: CN202311147626.0A
Authority: CN
Inventors: 张爱玲
Original assignee: Yantai Ruiming Metal Material Co ltd
Current assignee: Yantai Ruiming Metal Material Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2023-10-13
Anticipated expiration: 2043-09-07
Also published as: CN116871284B

Abstract

The invention discloses a paper shredder for offices, which relates to the field of paper shredders and comprises a lower shell and an upper shell, wherein a feeding mechanism and two shredding rolls are arranged in the upper shell, the upper shell comprises a fixed part and a rotating part, the rotating part is rotationally connected with the lower shell, a driving component is arranged in the fixed part and is used for driving the shredding rolls in the fixed part to rotate, one sides of the two fixed parts and one side of the rotating part are rotationally provided with driving wheels, the two driving wheels are in transmission connection through a driving belt, a tension adjusting component is arranged at the driving belt, when the rotating part rotates to separate the two shredding rolls, the tension adjusting component can be matched with and adjust the tension of the driving belt to adapt to the distance between the two driving wheels, one side of the lower shell is provided with the fixed component, and the fixed component is used for positioning the tension adjusting component. The detachable structure of the fixing part and the rotating part is convenient for cleaning the card paper, and in addition, the tension adjusting assembly is convenient for adjusting the tightness of the transmission belt.

Description

Paper shredder for office

Technical Field

The invention relates to the field of paper shredders, in particular to a paper shredder for offices.

Background

The shredder consists of a set of rotating blades, paper combs and a drive motor. The paper is fed from the middle of the mutually meshed cutting edges and is divided into a plurality of tiny paper sheets so as to achieve the aim of confidentiality. The paper shredding mode refers to a shape of paper which is shredded by a paper shredding knife after being processed by a paper shredder. According to the composition mode of the paper shredding knife, the existing paper shredding modes are as follows: crushed, granular, segmented, foam, bar, thread, etc.

The Chinese patent with the bulletin number of CN107837914B is issued, and a paper shredder is disclosed, and comprises a box body, wherein a strip-shaped opening for placing paper is formed in the box body, the box body comprises an upper box body and a lower box body, the lower part of the upper box body is provided with an opening, the upper part of the lower box body is provided with an opening, the upper box body and the lower box body move in a matched manner, the lower box body is rotationally connected with two pairs of connecting rods, the other end of each connecting rod is connected with a sliding block, a linear sliding groove is formed in the upper box body, the sliding blocks are arranged in the sliding grooves, each pair of connecting rods are rotationally provided with a rotating shaft, an elastomer is arranged between the upper box body and the lower box body, a first gear is arranged on an output shaft of a motor, a second gear and a third gear are respectively arranged on the two rotating shafts, two sides of the fourth gear are meshed with the first gear and the second gear, and the first gear is meshed with the third gear; when the upper box body is pressed down, the fourth gear is separated from the second gear, and the first gear is separated from the third gear.

However, the above patent has the following technical problems: the paper shredding capability is weak, and although the two rotating shafts can be separated by pressing down, if a hard object such as an optical disc is put into the paper shredding device from the feed inlet or a plurality of papers are put together, the two rotating shafts are separated even if the two rotating shafts are abutted against each other, so that the paper shredding capability is reduced, and the applicability is poor.

Besides the above patent, most paper shredders in the existing market have two problems, namely 1, paper jam is easy, cleaning is difficult after the paper jam, disassembly is troublesome, and use is affected. 2. The belt is easy to loosen, and after long-time use, the transmission belt is easy to loosen, so that power transmission cannot be performed, and the paper shredder cannot work. 3. The broken paper is too fluffy and is positioned in the paper basket, frequent cleaning is needed, and if the broken paper is not cleaned in time, the broken paper is piled up to easily cause paper jam in the crushing device.

Disclosure of Invention

The invention aims to provide a paper shredder for offices, which solves the technical problems that paper jam, loose driving belt and frequent cleaning are easy to occur in paper shredders in the prior art.

The invention provides a paper shredder for offices, which comprises a lower shell and an upper shell arranged on the lower shell, wherein a feeding mechanism and two oppositely arranged crushing rollers are arranged in the upper shell, the upper shell comprises a fixed part and a rotating part, the fixed part is fixedly connected with the lower shell, the rotating part is rotationally connected with the lower shell, the two crushing rollers are respectively rotationally arranged in the fixed part and the rotating part, a driving component is arranged in the fixed part and used for driving the crushing rollers in the fixed part to rotate, one sides of the two fixed parts and the rotating part are respectively rotationally provided with a driving wheel, the end parts of the crushing rollers in the fixed part are fixedly connected with the driving wheels on the fixed part, the crushing rollers in the rotating part are in transmission connection with the driving wheels on the rotating part through gear pieces, the two crushing rollers are in transmission connection through a transmission belt, a tension adjusting component is arranged at the transmission belt, when the rotating part rotates to separate the two crushing rollers, the tension adjusting component can be matched with the tension adjusting transmission belt to adapt to the distance between the two transmission belts, and one side of the lower shell is provided with the fixed component which is used for positioning the tension adjusting component.

Further, tension adjusting assembly includes regulation track, regulating block, spring and regulating wheel, the regulation track sets up in one side of fixed part, the regulating block slides and sets up in the regulation track, the spring sets up in the regulation track and drives the regulating block and remove to the direction of keeping away from crushing roller, the regulating wheel rotates and sets up in one side of regulating block, the regulating wheel passes through drive belt and is connected with two drive wheels transmission.

Further, fixed subassembly includes fixed track and sliding block, fixed track sets up in the upper end of lower casing and fixed track and the relative setting of regulation track, the sliding block slides and sets up in fixed track, the sliding block rotates with one side of regulating wheel to be connected, the both sides of sliding block all are equipped with first bolt hole, fixed track both sides all are equipped with the second bolt hole, first bolt hole has the fixed pin with the downthehole grafting of second bolt that corresponds.

Further, the upper end of the lower shell is provided with a cover plate hinged with the lower shell, and the cover plate is arranged on one side of the fixing component, which faces the outer part of the lower shell.

Further, the drive assembly comprises a drive motor and two drive wheels, the drive motor is arranged in the fixing portion, the two drive wheels are respectively sleeved on the output end of the drive motor and one end of the crushing roller in the fixing portion, and the two drive wheels are in transmission connection through a drive belt.

Further, the upper portion of lower casing is equipped with the partition portion, be equipped with division board and two clamp plates in the partition portion, the division board sets up in the middle in the partition portion and the length direction of division board perpendicular to crushing roller's length direction, and two clamp plates symmetry set up in the both sides of division board and the lower extreme of two clamp plates all rotates with lower casing to be connected, the inside of lower casing is equipped with and is used for driving two clamp plates back and forth wobbling driving piece.

Further, one side of the lower shell is provided with an opening and a material containing basket installed in the lower shell through the opening, the middle part of the material containing basket is provided with a partition plate, and when the material containing basket is installed in the lower shell, the partition plate is located under the partition plate.

Further, pressure sensors are arranged on the side walls of the two pressing plates.

Compared with the prior art, the invention has the beneficial effects that:

(1) When the paper shredder works, after the paper jam occurs in the paper shredder, the tension adjusting component can be released from being limited by the fixing component, and then the rotating part is pulled, so that the two crushing rollers are separated, the paper jam is convenient to clean, the repairing mode is simple, the operation is convenient, and the paper jam is not required to be repaired in a factory.

(2) In addition, the tension adjusting assembly has two advantages, namely, when the paper shredder has a paper jam, the rotating part is rotated to drive one crushing roller to move, and under the adjusting action of the tension adjusting assembly, the driving wheels at the end parts of the two crushing rollers do not need to be disassembled, so that the paper jam is cleaned more simply, and secondly, when the paper shredder has a condition that the driving belt is loose for a long time, the driving belt can be adjusted through the tension adjusting assembly, so that the driving belt is in a continuously tensed state, and the maintenance operation is simpler and more convenient.

(3) In the process of paper shredding, two smashing rollers above simultaneously carry out paper shredding, driving piece work can drive two clamp plates and swing synchronously at this moment, swing the paper shredding to the different positions of flourishing material basket, avoid the crushed aggregates after the same piece of paper shredding to be located flourishing material basket and same department, can improve confidentiality, simultaneously, when flourishing material basket is interior the too much back of shredded paper, the clamp plate is left and right sides when swinging, can play certain compaction effect to the shredded paper, and then can improve flourishing material basket's volume of holding, and then reduce flourishing material basket's clearance frequency, in addition, when flourishing material basket is interior the too much back of shredded paper, the clamp plate swings to both sides, can contradict with the shredded paper, and then make the pressure sensor receive constantly improve, when the numerical value of pressure sensor response is greater than the threshold value time, can shut down or send the alarm through the controller, so as to remind the user to clear up, avoid appearing flourishing material basket in too much and then the condition emergence of card paper.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic perspective view of the rotating part of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of a partial perspective view of the present invention;

FIG. 6 is an enlarged view at B in FIG. 5;

FIG. 7 is a schematic diagram of a partial perspective view of a second embodiment of the present invention;

FIG. 8 is an enlarged view of FIG. 7 at C;

fig. 9 is a schematic diagram of a partial perspective view of the present invention.

Reference numerals: 1. a lower housing; 2. an upper housing; 21. a fixing part; 22. a rotating part; 3. a pulverizing roller; 4. a drive assembly; 41. a driving motor; 42. a driving wheel; 43. a drive belt; 5. a driving wheel; 6. a gear member; 7. a drive belt; 8. a tension adjustment assembly; 81. adjusting the track; 82. an adjusting block; 83. a spring; 84. an adjusting wheel; 9. a fixing assembly; 91. a fixed rail; 92. a sliding block; 93. a second pin hole; 94. a fixing pin; 10. a cover plate; 11. a partition plate; 12. a pressing plate; 13. a material basket; 14. and a partition panel.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown.

Referring to fig. 1 to 9, an embodiment of the present invention provides a shredder for offices, including a lower housing 1 and an upper housing 2 disposed on the lower housing 1, wherein a feeding mechanism and two oppositely disposed shredding rolls 3 are disposed in the upper housing 2, and the upper housing 2 includes a fixing portion 21 and a rotating portion 22 as a feeding mechanism for conveying paper into the shredder in the prior art, wherein a latch may be disposed between the fixing portion 21 and the rotating portion 22, and when shredding is performed, the rotating portion 22 may be fixed by the latch, so that the rotating portion 22 is prevented from freely moving and failing to shred paper. When the rotating portion 22 needs to be rotated for cleaning, the lock catch is released, which is the prior art, and a detailed description is omitted herein, and the structure of the specific lock catch is not shown in the drawings.

Fixed part 21 and lower casing 1 fixed connection, rotation portion 22 and lower casing 1 rotate to be connected, two crushing roller 3 rotate respectively and set up in fixed part 21 and rotation portion 22, be equipped with drive assembly 4 in the fixed part 21, drive assembly 4 is used for driving crushing roller 3 in the fixed part 21 to rotate, one side of two fixed parts 21 and rotation portion 22 all rotates and is equipped with drive wheel 5, the tip of crushing roller 3 in the fixed part 21 and the drive wheel 5 fixed connection on the fixed part 21, crushing roller 3 in the rotation portion 22 passes through gear piece 6 and is connected with the drive wheel 5 transmission on the rotation portion 22, gear piece 6 is prior art, mainly used realizes two crushing roller 3 synchronous reverse rotations, its structure can be as shown in fig. 9, it is not repeated here.

The two driving wheels 5 are in transmission connection through the driving belt 7, a tension adjusting component 8 is arranged at the driving belt 7, when the rotating part 22 is rotated to separate the two crushing rollers 3, the tension adjusting component 8 can be matched with and adjust the tension of the driving belt 7 to adapt to the distance between the two driving wheels 5, a fixing component 9 is arranged on one side of the lower shell 1, and the fixing component 9 is used for positioning the tension adjusting component 8.

When the paper shredder is in operation, after the paper jam occurs in the paper shredder, the tension adjusting component 8 can be released from the limitation through the fixing component 9, and then the rotating part 22 is pulled to separate the two crushing rollers 3, so that the paper jam is convenient to clean, the repairing mode is simple, the operation is convenient, and the paper jam is not required to be repaired in a factory.

In addition, the tension adjusting assembly 8 has two advantages, namely, when the paper shredder has a paper jam, the rotating part 22 is rotated, and one crushing roller 3 is driven to move, under the adjusting action of the tension adjusting assembly 8, the driving wheels 5 at the end parts of the two crushing rollers 3 do not need to be disassembled, so that the paper jam is cleaned more simply, and secondly, when the paper shredder has a loose condition of the driving belt 7 for a long time, the paper shredder can be adjusted through the tension adjusting assembly 8, so that the driving belt 7 is kept in a tight state, and the maintenance operation is simpler and more convenient.

Specifically, the tension adjusting assembly 8 includes an adjusting rail 81, an adjusting block 82, a spring 83 and an adjusting wheel 84, the adjusting rail 81 is arranged at one side of the fixed part 21, the adjusting block 82 is slidably arranged in the adjusting rail 81, the spring 83 is arranged in the adjusting rail 81 and drives the adjusting block 82 to move away from the crushing roller 3, the adjusting wheel 84 is rotatably arranged at one side of the adjusting block 82, and the adjusting wheel 84 is in transmission connection with the two transmission wheels 5 through the transmission belt 7; the spring 83 is pulled to be in a tight state by the adjusting wheel 84 under the action of the spring 83.

Specifically, the fixing assembly 9 includes a fixing rail 91 and a sliding block 92, the fixing rail 91 is disposed at the upper end of the lower housing 1, the fixing rail 91 is disposed opposite to the adjusting rail 81, the sliding block 92 is slidably disposed in the fixing rail 91, the sliding block 92 is rotationally connected with one side of the adjusting wheel 84, two sides of the sliding block 92 are respectively provided with a first bolt hole, two sides of the fixing rail 91 are respectively provided with a second bolt hole 93, and a fixing pin 94 is inserted into the first bolt hole and the corresponding second bolt hole 93; when the shredder works, the position of the sliding block 92 is fixed through the insertion of the fixing pin 94, the position of the adjusting wheel 84 is fixed, and the driving belt 7 is in a tight state, meanwhile, through the fixing work of the fixing assembly 9, when the shredder needs to synchronously shred a plurality of pieces of paper or crush a harder object, the two crushing rollers 3 cannot be far away, when the paper jam needs to be cleaned, the fixing pin 94 is pulled out, the adjusting wheel 84 can freely move, and the rotating part 22 is rotated.

Specifically, the upper end of the lower shell 1 is provided with a cover plate 10 hinged with the lower shell, the cover plate 10 is arranged on one side of the fixing component 9 facing the outer part of the lower shell 1, and the cover plate 10 is used for covering the fixing component 9 and other structures to play an attractive role.

Specifically, the driving assembly 4 includes a driving motor 41 and two driving wheels 42, the driving motor 41 is installed inside the fixing portion 21, the two driving wheels 42 are respectively sleeved on an output end of the driving motor 41 and one end of the pulverizing roller 3 in the fixing portion 21, and the two driving wheels 42 are in transmission connection through a driving belt 43.

The crushing roller 3 in the fixed part 21 can be driven to rotate through the operation of the driving motor 41, and the two crushing rollers 3 can be driven to synchronously rotate through the action of the driving wheel 5 and the driving belt 7, so that the reason that the two crushing rollers 3 are not driven to rotate by the two motors is that the two crushing rollers 3 are driven to rotate by the two motors independently, the situation that the two crushing rollers 3 rotate to generate differential speed is easy to occur, and the problem of paper jam is easy to occur.

Specifically, the upper portion of lower casing 1 is equipped with the partition portion, is equipped with division board 11 and two clamp plates 12 in the partition portion, and division board 11 setting is in the partition portion and division board 11's length direction perpendicular to crushing roller 3's length direction in the middle, and two clamp plates 12 symmetry set up in division board 11's both sides and the lower extreme of two clamp plates 12 all rotates with lower casing 1 to be connected, and lower casing 1's inside is equipped with the driving piece that is used for driving two clamp plates 12 back and forth wobbling.

The driving piece is the prior art, can directly drive two clamp plates 12 through two motors and rotate, also can make two clamp plates 12 synchronous swing through the belt pulley transmission that a motor cooperation corresponds, all be equipped with pressure sensor on the lateral wall of two clamp plates 12. When the pressure sensor is in operation, the pressure sensor is required to be connected with a controller of the paper shredder, one side of the lower shell 1 is provided with an opening and a material containing basket 13 which is arranged in the lower shell 1 through the opening, the middle part of the material containing basket 13 is provided with a partition plate 14, and when the material containing basket 13 is arranged in the lower shell 1, the partition plate 14 is positioned under the partition plate 11. When the paper shredder works, the two smashing rollers 3 above synchronously swing the two pressing plates 12, as shown in fig. 4, from the left horizontal state to the right horizontal state, the smashed paper is swung to different positions of the paper basket 13, so that the situation that the smashed paper after being smashed is located at the same position in the paper basket 13 is avoided, confidentiality can be improved, meanwhile, when the smashed paper in the paper basket 13 is too much, the pressing plates 12 swing left and right, a certain compaction effect can be achieved on the smashed paper, the containing amount of the paper basket 13 can be improved, the cleaning frequency of the paper basket 13 is reduced, in addition, when the smashed paper in the basket 13 is too much, the pressing plates 12 swing to two sides, the smashed paper can collide with each other, the pressure sensor is enabled to be continuously improved, when the numerical value sensed by the pressure sensor is larger than a threshold value, the controller can be used for stopping or sending an alarm, so that a user can be reminded of occurrence of paper jam when the smashed paper in the basket 13 is too much.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.

Claims

1. The utility model provides an office paper shredder, includes casing (1) and upper casing (2) of setting on casing (1) down, be equipped with feed mechanism and two crushing roller (3) of relative setting in upper casing (2), its characterized in that: the upper shell (2) comprises a fixed part (21) and a rotating part (22), the fixed part (21) is fixedly connected with the lower shell (1), the rotating part (22) is rotationally connected with the lower shell (1), the two crushing rollers (3) are respectively rotationally arranged in the fixed part (21) and the rotating part (22), a driving component (4) is arranged in the fixed part (21), the driving component (4) is used for driving the crushing rollers (3) in the fixed part (21) to rotate, one sides of the two fixed part (21) and the rotating part (22) are rotationally provided with driving wheels (5), the end parts of the crushing rollers (3) in the fixed part (21) are fixedly connected with the driving wheels (5) on the fixed part (21), the crushing rollers (3) in the rotating part (22) are in transmission connection with the driving wheels (5) on the rotating part (22) through gear pieces (6), tension adjusting components (8) are arranged at the driving belts (7) in a transmission mode, and when the two tension adjusting components (8) are separated, the two tension adjusting components (8) can be matched and can be adjusted to be far away from the tension adjusting components (8), one side of the lower shell (1) is provided with a fixing component (9), and the fixing component (9) is used for positioning the tension adjusting component (8).

2. The office shredder of claim 1, wherein: the tension adjusting assembly (8) comprises an adjusting rail (81), an adjusting block (82), a spring (83) and an adjusting wheel (84), wherein the adjusting rail (81) is arranged on one side of the fixing part (21), the adjusting block (82) is slidably arranged in the adjusting rail (81), the spring (83) is arranged in the adjusting rail (81) and drives the adjusting block (82) to move in a direction away from the crushing roller (3), the adjusting wheel (84) is rotatably arranged on one side of the adjusting block (82), and the adjusting wheel (84) is in transmission connection with the two transmission wheels (5) through a transmission belt (7).

3. The office shredder of claim 2, wherein: the fixed subassembly (9) is including fixed track (91) and sliding block (92), fixed track (91) set up in the upper end of lower casing (1) and fixed track (91) set up relatively with regulation track (81), sliding block (92) slide and set up in fixed track (91), sliding block (92) are rotated with one side of regulating wheel (84) and are connected, the both sides of sliding block (92) all are equipped with first bolt hole, the both sides of fixed track (91) all are equipped with second bolt hole (93), peg graft in first bolt hole and the second bolt hole (93) that correspond and have fixed pin (94).

4. The office shredder of claim 1, wherein: the upper end of the lower shell (1) is provided with a cover plate (10) hinged with the lower shell, and the cover plate (10) is arranged on one side of the fixing component (9) facing the outer part of the lower shell (1).

5. The office shredder of claim 1, wherein: the driving assembly (4) comprises a driving motor (41) and two driving wheels (42), the driving motor (41) is arranged in the fixing part (21), the two driving wheels (42) are respectively sleeved on the output end of the driving motor (41) and one end of the crushing roller (3) in the fixing part (21), and the two driving wheels (42) are in transmission connection through a driving belt (43).

6. The office shredder of claim 1, wherein: the upper portion of inferior valve body (1) is equipped with the partition portion, be equipped with division board (11) and two clamp plates (12) in the partition portion, division board (11) set up in the middle in the partition portion and division board (11) length direction perpendicular to crushing roller (3) length direction, two clamp plates (12) symmetry set up in the both sides of division board (11) and the lower extreme of two clamp plates (12) all rotates with inferior valve body (1) to be connected, the inside of inferior valve body (1) is equipped with and is used for driving two clamp plates (12) back and forth wobbling driving piece.

7. The office shredder of claim 6, wherein: one side of lower casing (1) is equipped with the opening and installs in the inside flourishing basket (13) of casing (1) down through the opening, the middle part of flourishing basket (13) is equipped with partition panel (14), and when flourishing basket (13) were installed in the inside of casing (1) down, partition panel (14) were located under division board (11).

8. The office shredder of claim 6, wherein: pressure sensors are arranged on the side walls of the two pressing plates (12).