Paper shredder capable of preventing paper from being unwound and jammed

Abstract

The utility model belongs to the technical field of paper shredders, and particularly relates to a paper shredder capable of preventing paper from being unwound and jammed, which comprises a paper shredder body, a paper inlet is clamped in the top of the paper shredder body; a paper conveying assembly is arranged at the top of the paper shredder body; the paper shredder body is connected with an extrusion assembly through a paper conveying assembly; the paper shredder body is connected with a paper guide assembly through a paper conveying assembly; the paper conveying assembly comprises a guide groove, a fixing frame, a servo motor, a driving gear, a driving roller, a driven roller, a conveying belt and a driven gear. According to the step, a paper conveying and crushing structure is formed by arranging the paper shredder body, the paper conveying assembly, the extruding assembly and the paper guiding assembly, the function that paper is smoothly conveyed to a paper inlet to be crushed is achieved, the situation that paper is jammed due to wrinkles or folding when the paper is stuffed in is avoided, the smoothness of paper crushing is improved, and the situation that the paper is jammed is reduced; and the paper shredding speed of the paper shredder body is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to paper shredder technical field, specifically prevent the paper shredder of paper carding. BACKGROUND

[0002] Paper shredder is a kind of office equipment, mainly paper, file and compact disc and so on article are broken into small pieces, to protect information from being leaked.

[0003] The working principle of paper shredder is by a group of rotating blade, paper comb and drive motor to send paper, is divided into small pieces, according to the damage mode, breaking ability and use occasion, etc. Different standards can be divided into strip paper shredder, granular paper shredder, micro paper shredder and commercial paper shredder and so on multiple types, paper shredder needs to be put into the paper cutting port when using to be flattened and cut.

[0004] In the prior art of paper shredder, the capacity of paper shredder is limited for each time to crush paper, when multiple layers of paper are put into paper shredder to crush, paper can be stuck in the paper cutting port, cause paper carding, affect its working speed.

[0005] Therefore, the utility model provides a paper shredder that prevents paper from being stuck. UTILITY MODEL CONTENTS

[0006] In order to make up for the deficiency of prior art, solve at least one technical problem proposed in the background art.

[0007] The utility model solves technical scheme that its technical problem adopts: a kind of paper shredder that prevents paper from being stuck, including paper shredder body;The paper cutting port is clamped in the top of the paper shredder body;The paper shredder body top is equipped with paper conveying assembly;The paper shredder body is connected with extrusion assembly by paper conveying assembly;The paper shredder body is connected with paper guiding assembly by paper conveying assembly;This step is through the setting of paper shredder body, paper conveying assembly, extrusion assembly and paper guiding assembly, constitutes paper conveying crushing structure, realizes the function that paper is smoothly conveyed to paper cutting port and is crushed, solves the situation that paper is stuck when being inserted and appears wrinkle or folding, improves the smoothness of paper crushing, reduces the situation of paper carding, improves the speed of paper shredder body crushing paper.

[0008] Preferably, the paper conveying assembly comprises a guide groove, a fixed frame, a servo motor, a driving gear, a driving roller, a driven roller, a conveyor belt and a driven gear; the guide groove is fixedly connected to the top of the paper shredder body near the paper inlet; the fixed frame is fixedly connected to the side wall of the guide groove; the fixed frame is provided with a pair of symmetrically arranged side walls on the side wall of the guide groove; the servo motor is fixedly connected to the side wall of the fixed frame away from the guide groove; the driving gear is fixedly connected to the driving end of the servo motor; the driven gear is rotatably connected to the side wall of the guide groove; the driven gear is provided with a plurality of groups of symmetrically arranged side walls in the guide groove; the driven gear is engaged with the driving gear; the driving roller is rotatably connected to the inner side wall of the guide groove; the driving roller is provided with a plurality of groups of symmetrically arranged inner side walls in the guide groove; the driven roller is rotatably connected to the inner side wall of the guide groove near the driving roller; the driven roller is provided with a plurality of groups of side walls in the guide groove; the conveyor belt is sleeved on the outer side walls of the driving roller and the driven roller; the extrusion assembly is fixedly connected to the outer side wall of the conveyor belt; this step forms a paper conveying structure through the arrangement of the guide groove, the fixed frame, the servo motor, the driving gear, the driving roller, the driven roller, the conveyor belt and the driven gear, realizes the function of stably conveying the paper to the paper inlet for shredding, solves the problem of paper jamming caused by folding or stacking of the paper, improves the stability of paper movement, reduces the situation of paper jamming, and improves the working efficiency of the paper shredder body.

[0009] Preferably, the extrusion assembly comprises a fixed plate, a first spring, an extrusion plate and a non-slip pad; the fixed plate is fixedly connected to the outer side wall of the conveyor belt; the fixed plate is provided with a plurality of groups of evenly distributed outer side walls on the conveyor belt; the extrusion plate is slidably connected inside the fixed plate; one end of the first spring is fixedly connected to the end of the extrusion plate near the fixed plate; the other end of the first spring is fixedly connected to the inside of the fixed plate; the non-slip pad is fixedly connected to the end of the extrusion plate away from the first spring; the non-slip pad is provided with a plurality of groups of evenly distributed ends on the extrusion plate; this step forms a paper clamping structure through the arrangement of the fixed plate, the first spring, the extrusion plate and the non-slip pad, realizes the function of clamping the paper and moving the paper to the paper inlet, solves the problem of paper jamming caused by folding of the paper, improves the smoothness of paper movement, and reduces the situation of paper jamming.

[0010] Preferably, the paper guide component comprises a paper hopper, a top rod, a second spring and a roller; the paper hopper is fixedly connected at the top of the guide groove; the top rod is slidingly connected at the side wall of the paper hopper; the top rod is provided with multiple groups at the side wall of the paper hopper and is uniformly distributed at the side wall of the paper hopper; the second spring is fixedly connected at the end of the top rod close to the paper hopper; and the roller is sleeved at the outer side wall of the top rod away from the second spring; this step forms a material guiding and paper pressing structure through the arrangement of the paper hopper, the top rod, the second spring and the roller, realizes the function of pressing the paper against the inner side wall of the paper hopper and enables the paper to enter the guide groove vertically, solves the problem of paper bending or jamming when entering the guide groove, improves the verticality of the paper entering the guide groove, and reduces the situation of the paper being jammed in the paper hopper.

[0011] Preferably, the shredder body is fixedly connected with universal wheels at the bottom; the universal wheels are provided with multiple groups at the bottom of the shredder body and are uniformly distributed at the four corners of the bottom of the shredder body; this step forms a device moving structure through the arrangement of the universal wheels, improves the convenience of moving the equipment.

[0012] Preferably, the shredder body is fixedly connected with an observation window at the side wall; the observation window is made of transparent material; this step forms a transparent observation structure through the arrangement of the observation window, improves the convenience of observing the paper accumulation inside the shredder body.

[0013] Preferably, the anti-skid pad is made of rubber material; the anti-skid pad is made of rubber material and has a large friction force when in contact with the paper, reduces the situation of slipping when clamping the paper, and improves the stability of the paper conveying.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. The shredder capable of preventing paper jamming when feeding back the paper, through the arrangement of the shredder body, the paper conveying assembly, the extrusion assembly and the paper guiding assembly, forms a paper conveying and crushing structure, realizes the function of smoothly conveying the paper to the paper inlet for crushing, solves the problem of paper jamming caused by folding or accumulation when feeding the paper, improves the smoothness of paper crushing, reduces the situation of paper jamming, and improves the speed of the shredder body crushing the paper.

[0016] 2. The shredder capable of preventing paper jamming when feeding back the paper, through the arrangement of the guide groove, the fixing frame, the servo motor, the driving gear, the driving roller, the driven roller, the conveyor belt and the driven gear, forms a paper conveying structure, realizes the function of smoothly conveying the paper to the paper inlet for crushing, solves the problem of paper jamming caused by folding or accumulation, improves the stability of paper movement, reduces the situation of paper jamming, and improves the working efficiency of the shredder body. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described in connection with the drawings.

[0018] Figure 1 is a perspective view of the utility model;

[0019] Figure 2 is a structural schematic view of the utility model in which the conveying belt cooperates with the servo motor;

[0020] Figure 3 is a structural schematic view of the utility model in which the extrusion plate cooperates with the conveying belt;

[0021] Figure 4 is a structural schematic view of the utility model in which the roller cooperates with the paper hopper.

[0022] In the figure: 1, paper shredder body; 2, guide groove; 21, fixed frame; 22, servo motor; 23, driving gear; 24, driving roller; 25, driven roller; 26, conveying belt; 27, driven gear; 3, fixed plate; 31, first spring; 32, extrusion plate; 33, non-slip pad; 4, paper hopper; 41, ejector rod; 42, second spring; 43, roller; 5, universal wheel; 6, observation window. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As shown in Figures 1 to 4 The utility model discloses a paper shredder preventing paper from being jammed, which comprises a paper shredder body 1, a paper inlet is clamped on the top of the paper shredder body 1, a paper conveying assembly is arranged on the top of the paper shredder body 1, an extrusion assembly is connected to the paper conveying assembly, and a paper guiding assembly is connected to the paper conveying assembly. In work, the paper to be broken is put into the paper guiding assembly, the paper guiding assembly guides the paper and makes a specified number of papers fall into the paper conveying assembly, and the paper conveying assembly stably conveys the paper to be broken to the paper inlet through the extrusion assembly for crushing treatment. Through the arrangement of the paper shredder body 1, the paper conveying assembly, the extrusion assembly and the paper guiding assembly, the paper conveying and crushing structure is formed, the function of smoothly conveying the paper to the paper inlet for crushing is realized, the situation that the paper is jammed due to wrinkles or folding when the paper is inserted is solved, the smoothness of paper crushing is improved, the situation of paper jamming is reduced, and the speed of the paper shredder body 1 crushing the paper is improved.

[0025] As shown in Figures 1 to 3As shown, the paper conveying assembly comprises a guide groove 2, a fixed frame 21, a servo motor 22, a driving gear 23, a driving roller 24, a driven roller 25, a conveying belt 26 and a driven gear 27; the guide groove 2 is fixedly connected to the top of the paper shredder body 1 near the paper inlet; the fixed frame 21 is fixedly connected to the side wall of the guide groove 2; the fixed frame 21 is provided with a pair of symmetrically arranged side walls on the side wall of the guide groove 2; the servo motor 22 is fixedly connected to the side wall of the fixed frame 21 away from the guide groove 2; the driving gear 23 is fixedly connected to the driving end of the servo motor 22; the driven gear 27 is rotatably connected to the side wall of the guide groove 2; the driven gear 27 is provided with multiple groups of symmetrically arranged side walls on the side wall of the guide groove 2; the driven gear 27 is in meshing cooperation with the driving gear 23; the driving roller 24 is rotatably connected to the inner side wall of the guide groove 2; the driving roller 24 is provided with multiple groups of symmetrically arranged inner side walls in the guide groove 2; the driven roller 25 is rotatably connected to the inner side wall of the guide groove 2 near the driving roller 24; the driven roller 25 is provided with multiple groups of side walls in the guide groove 2; the conveying belt 26 is sleeved on the outer side walls of the driving roller 24 and the driven roller 25; the extrusion assembly is fixedly connected to the outer side wall of the conveying belt 26; in work, the servo motor 22 is started, the servo motor 22 drives the driving gear 23 and the driven gear 27 to rotate, the driving gear 23 and the driven gear 27 respectively drive two groups of driving rollers 24 and the conveying belt 26 to rotate, when the paper falls into the guide groove 2 through the paper guiding assembly, the conveying belt 26 drives the extrusion assembly to contact the paper and drives the paper to move, so that the paper moves to the paper inlet for shredding; this step comprises a paper conveying structure through the arrangement of the guide groove 2, the fixed frame 21, the servo motor 22, the driving gear 23, the driving roller 24, the driven roller 25, the conveying belt 26 and the driven gear 27, realizes the function of stably conveying the paper to the paper inlet for shredding, solves the situation that paper jamming caused by folding or stacking of the paper, improves the stability of paper movement, reduces the situation of paper jamming, and improves the working efficiency of the paper shredder body 1.

[0026] As Figure 3As shown, the extrusion assembly includes a fixed plate 3, a first spring 31, an extrusion plate 32 and a non-slip pad 33; the fixed plate 3 is fixedly connected to the outer side wall of the conveying belt 26; the fixed plate 3 is provided with multiple groups on the outer side wall of the conveying belt 26 and is uniformly distributed on the outer side wall of the conveying belt 26; the extrusion plate 32 is slidingly connected inside the fixed plate 3; one end of the first spring 31 is fixedly connected to the end of the extrusion plate 32 close to the fixed plate 3; the other end of the first spring 31 is fixedly connected to the inside of the fixed plate 3; the non-slip pad 33 is fixedly connected to the end of the extrusion plate 32 away from the first spring 31; the non-slip pad 33 is provided with multiple groups on the end of the extrusion plate 32 and is uniformly distributed on the end of the extrusion plate 32; in work, the conveying belt 26 drives the fixed plate 3, the first spring 31, the extrusion plate 32 and the non-slip pad 33 to rotate inside the guide groove 2, a pair of fixed plates 3 cooperate with each other to clamp the paper entering the inside of the guide groove 2 and drive the paper to move to the paper inlet, the extrusion plate 32 contacts the paper, the first spring 31 abuts against the extrusion plate 32, so that a pair of extrusion plates 32 clamp the paper, and the non-slip pad 33 increases the friction between the extrusion plate 32 and the paper; through the arrangement of the fixed plate 3, the first spring 31, the extrusion plate 32 and the non-slip pad 33, a paper clamping structure is formed, the function of clamping the paper and driving the paper to move to the paper inlet is realized, the situation that the paper is jammed due to folding is solved, the smoothness of the paper movement is improved, and the situation that the paper is jammed is reduced.

[0027] As shown in Figure 1 and Figure 4 , the paper guide assembly includes a paper hopper 4, a top rod 41, a second spring 42 and a roller 43; the paper hopper 4 is fixedly connected to the top of the guide groove 2; the top rod 41 is slidingly connected to the side wall of the paper hopper 4; the top rod 41 is provided with multiple groups on the side wall of the paper hopper 4 and is uniformly distributed on the side wall of the paper hopper 4; the second spring 42 is fixedly connected to the end of the top rod 41 close to the paper hopper 4; the roller 43 is sleeved on the outer side wall of the top rod 41 away from the second spring 42; in work, one side of the inner side wall of the paper hopper 4 is a vertical surface, the opposite side is an inclined surface, the top rod 41 is arranged on the side of the inclined surface, the top rod 41 is pulled to move outward to put the paper into the paper hopper 4, the top rod 41 is released, the roller 43 drives the top rod 41 and the second spring 42 to press the paper, the paper enters the guide groove 2 through the discharging groove at the bottom of the paper hopper 4 under the action of gravity for paper conveying, so that the paper entering the guide groove 2 is in a vertical state; through the arrangement of the paper hopper 4, the top rod 41, the second spring 42 and the roller 43, a material guiding and paper pressing structure is formed, the function of pressing the paper in the inner side wall of the paper hopper 4 is realized, the situation that the paper entering the guide groove 2 is bent or jammed is solved, the perpendicularity of the paper entering the guide groove 2 is improved, and the situation that the paper is jammed in the paper hopper 4 is reduced.

[0028] As shown in Figure 1As shown, a caster wheel 5 is fixedly connected to the bottom of the shredder body 1; multiple sets of caster wheels 5 are set at the bottom of the shredder body 1 and are evenly distributed at the four corners of the bottom of the shredder body 1; when it is necessary to move the shredder body 1 during operation, the caster wheel 5 is used to move the shredder body 1; this step, through the setting of the caster wheel 5, forms a moving structure of the device, improving the convenience of moving the equipment.

[0029] like Figure 1 As shown, an observation window 6 is fixedly connected to the side wall of the shredder body 1; the observation window 6 is made of transparent material; during operation, the internal condition of the shredder body 1 is observed through the observation window 6, and the height of the shredded paper inside the shredder body 1 is used to determine whether to perform a cleaning operation; this step, through the setting of the observation window 6, forms a transparent observation structure, improving the convenience of observing the paper accumulation inside the shredder body 1.

[0030] like Figure 3 As shown, the anti-slip pad 33 is made of rubber. During operation, the anti-slip pad 33, being made of rubber, has a large frictional force when in contact with the paper, reducing slippage when clamping the paper and improving the stability of paper feeding.

[0031] In work, the paper to be broken is put into the paper guide assembly, the paper guide assembly guides the paper and makes the specified number of papers fall into the paper conveying assembly, the paper conveying assembly conveys the paper to be crushed to the paper inlet through the extrusion assembly for crushing treatment; the servo motor 22 is started, the servo motor 22 drives the driving gear 23 and the driven gear 27 to rotate, the driving gear 23 and the driven gear 27 drive two groups of driving rollers 24 and the conveying belt 26 to rotate respectively, when the paper falls into the guide groove 2 through the paper guide assembly, the conveying belt 26 drives the extrusion assembly to contact the paper and drives the paper to move, so that the paper moves to the paper inlet for crushing; the conveying belt 26 drives the fixed plate 3, the first spring 31, the extrusion plate 32 and the non-slip pad 33 to rotate inside the guide groove 2, a pair of fixed plates 3 cooperate with each other to clamp the paper entering the inside of the guide groove 2 and drive the paper to move to the paper inlet, the extrusion plate 32 contacts the paper, the first spring 31 presses against the extrusion plate 32, so that the pair of extrusion plates 32 clamp the paper, and the non-slip pad 33 increases the friction force between the extrusion plate 32 and the paper; the inner side wall of the paper hopper 4 is a vertical surface on one side, and the opposite side is an inclined surface, the top rod 41 is arranged on the side of the inclined surface, the top rod 41 is pulled to move outward to put the paper into the paper hopper 4, the top rod 41 is released, the roller 43 drives the top rod 41 and the second spring 42 to press the paper, the paper enters the guide groove 2 through the discharging groove at the bottom of the paper hopper 4 under the action of gravity for paper conveying, so that the paper in the guide groove 2 is in a vertical state; when the paper crusher body 1 needs to be moved, the paper crusher body 1 is moved through the universal wheel 5; the inside of the paper crusher body 1 is observed through the observation window 6, whether cleaning operation is performed is judged according to the height of the debris inside the paper crusher body 1; the non-slip pad 33 is made of rubber material, has great friction force when contacting the paper, reduces the slippage when clamping the paper, and improves the stability during paper conveying.

[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A paper shredder preventing paper jamming, comprising a paper shredder body (1); characterized in that: The paper shredder body (1) top card is equipped with a paper inlet; the paper shredder body (1) top is equipped with paper conveying assembly;The paper shredder body (1) is connected with extrusion assembly through paper conveying assembly;The paper shredder body (1) is connected with paper guiding assembly through paper conveying assembly;The paper conveying assembly includes guide groove (2), fixed frame (21), servo motor (22), driving gear (23), driving roller (24), driven roller (25), conveyor belt (26) and driven gear (27);The guide groove (2) is fixedly connected at the top of the paper shredder body (1) near the paper inlet;The fixed frame (21) is fixedly connected on the side wall of the guide groove (2);The fixed frame (21) is provided with a pair of fixed frame (21) on the side wall of the guide groove (2), and is symmetrically arranged;The servo motor (22) is fixedly connected on the side wall of the fixed frame (21) away from the guide groove (2);The driving gear (23) is fixedly connected on the driving end of the servo motor (22);The driven gear (27) is rotatably connected on the side wall of the guide groove (2);The driven gear (27) is provided with multiple groups of driven gear (27) on the side wall of the guide groove (2), and is symmetrically arranged;The driven gear (27) is engaged with the driving gear (23);The driving roller (24) is rotatably connected on the inner side wall of the guide groove (2);The driving roller (24) is provided with multiple groups of driving roller (24) on the inner side wall of the guide groove (2), and is symmetrically arranged;The driven roller (25) is rotatably connected on the inner side wall of the guide groove (2) close to the driving roller (24);The driven roller (25) is provided with multiple groups on the side wall of the guide groove (2);The conveyor belt (26) is sleeved on the outer side wall of the driving roller (24) and the driven roller (25);The extrusion assembly is fixedly connected on the outer side wall of the conveyor belt (26).

2. A paper shredder preventing paper jam and paper ejection according to claim 1, characterized in that: The extrusion assembly includes fixed plate (3), first spring (31), extrusion plate (32) and non-slip pad (33);The fixed plate (3) is fixedly connected on the outer side wall of the conveyor belt (26);The fixed plate (3) is provided with multiple groups of fixed plate (3) on the outer side wall of the conveyor belt (26), and is evenly distributed on the outer side wall of the conveyor belt (26);The extrusion plate (32) is slidably connected inside the fixed plate (3);One end of the first spring (31) is fixedly connected to the end of the extrusion plate (32) close to the fixed plate (3);The other end of the first spring (31) is fixedly connected inside the fixed plate (3);The non-slip pad (33) is fixedly connected to the end of the extrusion plate (32) away from the first spring (31);The non-slip pad (33) is provided with multiple groups of non-slip pad (33) on the end of the extrusion plate (32), and is evenly distributed on the end of the extrusion plate (32).

3. The paper shredder of claim 1, wherein: The paper guiding assembly comprises a paper hopper (4), a top rod (41), a second spring (42) and a roller (43); the paper hopper (4) is fixedly connected to the top of the guide groove (2); the top rod (41) is slidingly connected to the side wall of the paper hopper (4); the top rod (41) is provided in multiple groups on the side wall of the paper hopper (4) and is uniformly distributed on the side wall of the paper hopper (4); the second spring (42) is fixedly connected to the end of the top rod (41) close to the paper hopper (4); and the roller (43) is sleeved on the outer side wall of the top rod (41) away from the second spring (42).

4. The paper shredder of claim 1, wherein: The shredder body (1) is fixedly connected with universal wheels (5) at the bottom; the universal wheels (5) are provided in multiple groups at the bottom of the shredder body (1) and are uniformly distributed at the four corners of the bottom of the shredder body (1).

5. The paper shredder of claim 1, wherein: The shredder body (1) is fixedly connected with an observation window (6) on the side wall; the observation window (6) is made of transparent material.

6. A paper shredder preventing paper jam and paper ejection according to claim 2, characterized in that: The anti-skid pad (33) is made of rubber material.

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