CN209156033U - A kind of shredder of paper jamming prevention - Google Patents

Abstract

The utility model discloses a kind of shredders of paper jamming prevention, including body, the inner cavity middle position of the body is provided with noseplate, the rear end face upper end of body is provided with rear support bottom plate, and the inner cavity lower end setting of body is equipped with clast cylinder, the upper surface front-rear position of the noseplate is fixedly installed two pairs of support frames, the front/rear end of two pairs of support frames offers through-hole, through-hole wall setting is connected with main shaft, the front end of the main shaft is mounted on the inside of bearing cap by bearing, the outer wall installation socket Disintegrating knife in main shaft middle position, the rear end face of main shaft is by transmission band connection two to main shaft, main shaft connects retarder backward, the utility model improves the crushing efficiency to paper, solves the problems, such as paper paper jam by the positive and negative rotation of main shaft simultaneously, improve the service life of Disintegrating knife, practical valence with higher Value.

Description

A kind of shredder of paper jamming prevention

Technical field

The utility model relates to technical field of office machinery, specially a kind of shredder of paper jamming prevention.

Background technique

Shredder is made of the blade, paper comb and drive motor of one group of rotation.Paper is from the blade being mutually twisted Between be sent into, be divided into many tiny scraps of paper, to achieve the purpose that secrecy.Shredded paper mode refers to when paper is by shredder Shape after being shredded after reason by paper shredding blade.According to the building form of paper shredding blade, existing shredded paper mode has: broken shape, granular, section Shape, foam shape, strip, filiform etc..

Existing shredder can lead to paper jam due to the thickness of paper during shredded paper so that Disintegrating knife fracture or It the phenomenon that main shaft axis, is shortened so as to cause the service life of Disintegrating knife, the use cost of shredder is further caused to increase It is high.

Utility model content

The purpose of this utility model is to provide a kind of shredders of paper jamming prevention, mentioned above in the background art to solve Problem.

To achieve the above object, the utility model provides the following technical solutions:

The inner cavity middle position of a kind of shredder of paper jamming prevention, including body, the body is provided with noseplate, body Rear end face upper end is provided with rear support bottom plate, and the inner cavity lower end setting of body is equipped with clast cylinder, the upper end of the noseplate Face front-rear position is fixedly installed two pairs of support frames, and the front/rear end of two pairs of support frames offers through-hole, the through-hole wall Setting is connected with main shaft, and the front end of the main shaft is mounted on the inside of bearing cap, the outer wall peace in main shaft middle position by bearing Encapsulation connects Disintegrating knife, and for the rear end face of main shaft by transmission band connection two to main shaft, main shaft connects retarder, the deceleration backward The other end of device connects machine shaft, and the lower end surface rear end of retarder is mounted on the upper surface of rear support bottom plate, the motor The rear end of shaft connects servo motor, and the lower end surface of the servo motor is fixed on rear support bottom plate by motor fixing bolt Upper surface, the cavity inside between the lower end surface and body of the noseplate are provided with clast cylinder, and the front end of the clast cylinder is set It is equipped with visual window, the right end of the visual window, which is connected by a hinge, is hinged on the front end face of body, and the left end setting of visual window Handle is installed.

Preferably, the upper surface of the body is provided with control panel, and rotating forward switch and anti-is provided on the control panel Turn on pass, and the upper surface middle position of body offers paper inlet, the lower end face two of the paper inlet to Disintegrating knife it Between gap, and paper inlet and the clast cylinder of lower end are located at same axis.

Preferably, the left and right end face of the noseplate is connected to the inner wall of body, and noseplate, two by welding Support frame, body and rear support bottom plate are connected by welding.

Preferably, the bearing cap is fixed on the front end face of two pairs of support frames by bearing locking bolt.

Preferably, it is electrically connected between the rotating forward switch, reversal switch, servo motor and retarder.

Preferably, it is sequentially connected between the machine shaft and main shaft by conveyer belt.

Compared with prior art, the utility model has the beneficial effects that the utility model is by the way that traditional motor to be changed to Servo motor, and retarder is set between machine shaft and the connection of main shaft, when appearance since the thickness of paper is blocked up Situation causes main shaft not turn, when paper is stuck in the gap between Disintegrating knife, due to rotating forward switch, reversal switch, servo electricity Machine and retarder are electrically connected, and open reversal switch at this time, and the machine shaft made, retarder inverts simultaneously with main shaft, and card is led Paper exit the gap between Disintegrating knife；By the way that retarder is added, so that motor can be protected preferably when realizing positive and negative rotation The transmission between shaft is protected, so that the excessively high destruction for causing to be sequentially connected between shaft of revolving speed will not be answered between shaft；By setting The visual window set by visual window it is observed that situation inside shredder, and timely pulls so that be full of when clast wound packages Handle opens visual window, further clears up clast cylinder, while clearing up the environment of internal body, ensure that the clear of shredder Clean work.Compared with prior art, the utility model improves the crushing efficiency to paper, while passing through the positive and negative rotation solution of main shaft Determined paper paper jam the problem of, improve the service life of Disintegrating knife, practical value with higher.

Detailed description of the invention

Fig. 1 is the schematic diagram of internal structure of the utility model；

Fig. 2 is the stereoscopic figure of the utility model.

In figure: 1 body, 2 rear support bottom plates, 3 motor fixing bolts, 4 servo motors, 5 machine shafts, 6 retarders, 7 masters Axis, 8 conveyer belts, 9 support frames, 10 Disintegrating knifes, 11 noseplates, 12 bearing caps, 13 bearing locking bolts, 14 clast cylinders, 15 can Form, 16 handles, 17 rotate forward switch, 18 reversal switches, 19 paper inlets.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

The utility model provides a kind of technical solution referring to FIG. 1-2:

A kind of shredder of paper jamming prevention, including body 1, the inner cavity middle position of body 1 are provided with noseplate 11, body 1 Rear end face upper end be provided with rear support bottom plate 2, and the inner cavity lower end setting of body 1 is equipped with clast cylinder 14, noseplate 11 Upper surface front-rear position is fixedly installed two pairs of support frames 9, and the front/rear end of two pairs of support frames 9 offers through-hole, in the through-hole Wall setting is connected with main shaft 7, and the front end of main shaft 7 is mounted on the inside of bearing cap 12 by bearing, and bearing cap 12 passes through bearing lock Tight bolt 13 is fixed on the front end face of two pairs of support frames 9, the outer wall installation socket Disintegrating knife 10 in 7 middle position of main shaft, main shaft 7 Rear end face two pairs of main shafts 7 are connected by conveyer belt 8, main shaft 7 connect retarder 6 backward, the other end connection motor of retarder 6 Shaft 5, and the lower end surface rear end of retarder 6 is mounted on the upper surface of rear support bottom plate 2, the rear end of machine shaft 5 connects servo Motor 4 is sequentially connected between machine shaft 5 and main shaft 7 by conveyer belt 8, and the lower end surface of servo motor 4 passes through the fixed spiral shell of motor Bolt 3 is fixed on the upper surface of rear support bottom plate 2, and the cavity inside between the lower end surface and body 1 of noseplate 11 is provided with clast Cylinder 14, the front end of clast cylinder 14 is provided with visual window 15, and the right end of visual window 15, which is connected by a hinge, is hinged on the front end of body 1 Face, and the left end setting of visual window 15 is equipped with handle 16.

The upper surface of body 1 is provided with control panel, is provided on the control panel and rotates forward switch 17 and reversal switch 18, It rotates forward switch 17, reversal switch 18, servo motor 4 and retarder 6 to be electrically connected, and the upper surface middle position of body 1 opens up There is a paper inlet 19, the lower end face two of paper inlet 19 is to the gap between Disintegrating knife 10, and the clast of paper inlet 19 and lower end Cylinder 14 is located at same axis.

The left and right end face of noseplate 11 is connected to the inner wall of body 1, and 11, two pairs of noseplate supports by welding Frame 9, body 1 and rear support bottom plate 2 connect by welding.

Working principle: broken paper will be needed to be put into inside shredder by paper inlet 19 first, opens and rotates forward switch 17, it is electrically connected due to rotating forward switch 17, reversal switch 18, servo motor 4 and retarder 6, so servo motor 4 drives motor Shaft 5 rotates forward, and machine shaft 5 drives main shaft 7 to rotate by retarder 6, is rotatablely connected between two pairs of main shafts 7 by transmission belt 8, So that two pairs of main shafts 7 rotate simultaneously, the further rotation for driving Disintegrating knife 10 so that paper achieve the purpose that it is broken, due to The lower end face two of paper inlet 19 is to the gap between Disintegrating knife 10, and paper inlet 19 and the clast cylinder 14 of lower end are positioned at same Axis, so that the shredded paper being broken has been fallen in inside clast cylinder 14.

It when there is paper jam phenomenon, closes and rotates forward switch 17, opening reversal switch 18 will be watched due to the effect of retarder 6 The positive torque for taking the output of motor 4 weakens, and when servo motor 4 inverts, not will lead to the fracture of machine shaft 5, servo motor 4 It drives machine shaft 5 to invert, so that main shaft 7 inverts, so that Disintegrating knife 10 inverts, the paper blocked is released into paper inlet 19。

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of shredder of paper jamming prevention, including body (1), it is characterised in that: the inner cavity middle position of the body (1) is arranged Have noseplate (11), the rear end face upper end of body (1) is provided with rear support bottom plate (2), and peace is arranged in the inner cavity lower end of body (1) Equipped with clast cylinder (14), the upper surface front-rear position of the noseplate (11) is fixedly installed two pairs of support frames (9), and described two pairs The front/rear end of support frame (9) offers through-hole, and through-hole wall setting is connected with main shaft (7), and the front end of the main shaft (7) is logical Cross the inside that bearing is mounted on bearing cap (12), outer wall installation socket Disintegrating knife (10) in main shaft (7) middle position, main shaft (7) rear end face connects two pairs of main shafts (7) by conveyer belt (8), and main shaft (7) connects retarder (6), the retarder backward (6) the other end connects machine shaft (5), and the lower end surface rear end of retarder (6) is mounted on the upper end of rear support bottom plate (2) The rear end in face, the machine shaft (5) connects servo motor (4), and the lower end surface of the servo motor (4) passes through the fixed spiral shell of motor Bolt (3) is fixed on the upper surface of rear support bottom plate (2), in the cavity between the lower end surface and body (1) of the noseplate (11) Portion is provided with clast cylinder (14), and the front end of the clast cylinder (14) is provided with visual window (15), the right end of the visual window (15) It is connected by a hinge and is hinged on the front end face of body (1), and the left end setting of visual window (15) is equipped with handle (16).

2. a kind of shredder of paper jamming prevention according to claim 1, it is characterised in that: the upper surface of the body (1) is set It is equipped with control panel, rotating forward switch (17) and reversal switch (18) are provided on the control panel, and in the upper surface of body (1) Between position offer paper inlet (19), the lower end face two of the paper inlet (19) to the gap between Disintegrating knife (10), and Paper inlet (19) and the clast cylinder (14) of lower end are located at same axis.

3. a kind of shredder of paper jamming prevention according to claim 1, it is characterised in that: the left and right end of the noseplate (11) Face is connected to the inner wall of body (1), and noseplate (11), two pairs of support frames (9), body (1) He Houzhi by welding Support bottom plate (2) connects by welding.

4. a kind of shredder of paper jamming prevention according to claim 1, it is characterised in that: the bearing cap (12) passes through bearing Clamping screw (13) is fixed on the front end face of two pairs of support frames (9).

5. a kind of shredder of paper jamming prevention according to claim 2, it is characterised in that: the rotating forward switch (17), reversion It is electrically connected between switch (18), servo motor (4) and retarder (6).

6. a kind of shredder of paper jamming prevention according to claim 1, it is characterised in that: the machine shaft (5) and main shaft (7) it is sequentially connected between by conveyer belt (8).