CN110180644B - Paper shredder and paper shredding method thereof - Google Patents
Paper shredder and paper shredding method thereof Download PDFInfo
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- CN110180644B CN110180644B CN201910471016.3A CN201910471016A CN110180644B CN 110180644 B CN110180644 B CN 110180644B CN 201910471016 A CN201910471016 A CN 201910471016A CN 110180644 B CN110180644 B CN 110180644B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/02—Disintegrating by knives or other cutting or tearing members which chop material into fragments with reciprocating knives
- B02C18/04—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
Abstract
A paper shredder and a paper shredding method are provided, the paper shredder comprises a paper passing plate, a paper suction device, an optical recognition device, a paper shredding cutter, a control device and a paper shredding box for sorting shredded paper, wherein the paper suction device is arranged on the paper passing plate and can suck the waste paper placed on the paper passing plate one by one and convey the waste paper to the paper shredding cutter along the paper passing plate; the optical recognition device is arranged on the paper passing plate between the paper suction device and the paper shredding cutter, and when waste paper passes through, the optical recognition device recognizes the font positions on the front surface and the back surface of the waste paper; the paper shredding cutter is arranged at the tail end of the paper passing plate and can cut waste paper; the paper shredding box for storing the shredded paper in a classified mode is arranged below the paper shredding cutter and used for storing the ink shredded paper and the ink-free shredded paper in a classified mode; wherein the control device identifies the font position on the waste paper according to the optical identification device and controls the paper shredding cutter to work.
Description
Technical Field
The invention relates to the field of office application, in particular to a paper shredder and a paper shredding method thereof.
Background
Secondary fibers have become an important fiber source in the pulp and paper industry in a world-wide situation responding to the green theme of ecological environmental protection. Therefore, the recycling of the waste paper is more and more important, and the treatment after the waste paper recycling is generally carried out by the following processes: sorting → disintegrating → deinking → deslagging, screening → washing → concentrating → bleaching → delivering pulping. Almost all the treatment processes consume water and discharge waste water, but the waste water discharged in the deinking process is the largest, and various pollutants are generated in the production process of the deinking agent to harm the ecological environment. In addition, a large part of the inkless part which can be directly utilized in the paper shredding process is crushed together with the inked part and participates in the recycling of the secondary fiber of the papermaking pulp, so that the use of the deinking agent is inevitably increased, a large amount of pollutants are discharged, and the environmental pollution is aggravated.
Disclosure of Invention
The invention aims to solve the problem of subdividing recycled waste paper, and provides a paper shredder capable of separating an ink part from an ink-free part of a paper surface for facilitating the recycling of the waste paper.
In order to solve the technical problem, the invention is solved by the following scheme:
a paper shredder comprises a paper passing plate, a paper suction device, an optical recognition device, a paper shredding cutter, a control device and a paper shredding box for sorting shredded paper, wherein the paper suction device is arranged on the paper passing plate and can suck the waste paper placed on the paper passing plate one by one and convey the waste paper to the paper shredding cutter along the paper passing plate; the optical recognition device is arranged on the paper passing plate between the paper suction device and the paper shredding cutter, and when waste paper passes through, the optical recognition device recognizes the font positions on the front surface and the back surface of the waste paper; the paper shredding cutter is arranged at the tail end of the paper passing plate and can cut waste paper; the paper shredding box for paper shredding classification is arranged below the paper shredding cutter and is used for classifying and storing the ink shredded paper and the ink-free shredded paper; the control device identifies the font position on the waste paper according to the optical identification device and controls the paper shredding cutter to work; still be equipped with the riser between the shredded carton, the riser top is equipped with pivot, baffle and baffle motor, the baffle bottom with pass through between the riser top the pivot is articulated each other fixed, the output shaft of baffle motor with pivot coaxial coupling, with the drive the baffle is followed the axle center of pivot rotates.
In one embodiment, the paper passing plate is bent in a zigzag shape and comprises an inclined plate inclined to a horizontal plane, a folded plate connected with the inclined plate and inclined to the horizontal plane in a reverse direction, and a horizontal plate connected with the folded plate and arranged horizontally, wherein a first paper passing opening is formed in one end of the inclined plate, and a second paper passing opening is formed in the folded plate.
In one embodiment, the paper suction device comprises a first paper suction device, a second paper suction device and a third paper suction device, and the optical recognition device comprises a first optical recognition device and a second optical recognition device, wherein the first paper suction device is arranged on the inclined plate, the second paper suction device and the first optical recognition device are arranged on the folded plate, and the third paper suction device, the second optical recognition device and the paper shredding cutter are arranged on the transverse plate.
In one embodiment, the first paper suction device, the second paper suction device and the third recognition device each include a first light sensing device, a paper pickup wheel, a first motor and a first metal rod, the first motor is connected to the first metal rod, the first metal rod is provided with the paper pickup wheel for pushing the waste paper to travel, and the first light sensing device is electrically connected to the first motor and located in front of the paper pickup wheel.
In one embodiment, each of the first optical identification device and the second optical identification device comprises a second light sensing device, a highlight lamp, a second motor, a capacitor, a photosensitive drum, a static elimination corona device and a copper sheet, wherein the light sensing device is electrically connected with the highlight lamp, and the second motor is connected with the photosensitive drum to drive the photosensitive drum to rotate; the capacitor is arranged on one side of the photosensitive drum to make the surface of the photosensitive drum charged with static electricity; the charge eliminating corona device is arranged on the other side of the photosensitive drum and is used for eliminating charges remained on the surface of the photosensitive drum; one side of the copper sheet is connected with the photosensitive drum, and the other side of the copper sheet is electrically connected with the control device; the floodlight is arranged above the photosensitive drum so that the floodlight can irradiate the photosensitive drum.
In one embodiment, the paper shredding cutter comprises an air cylinder and a paper shredding cutter, wherein the air cylinder is arranged above the tail end of the paper passing board, the paper shredding cutter is fixedly connected with the bottom of the air cylinder, and the air cylinder is electrically connected with the control device, so that the control device controls the air cylinder to drive the paper shredding cutter to do up-and-down reciprocating movement, and accordingly, the waste paper is cut.
In one embodiment, the scrap box is comprised of an ink-filled box and an ink-free box, the riser being disposed between the ink-filled box and the ink-free box.
In one embodiment, the control device is electrically connected to the diaphragm motor.
The paper shredding method of the paper shredder is applied to the paper shredder and comprises the following steps:
the method comprises the following steps: when waste paper is placed on the inclined plate of the paper passing plate, the first paper suction device on the inclined plate sucks the waste paper and enters the folded plate through the first paper passing hole on the inclined plate, and the surface of the original waste paper with the right side facing upwards faces the surface of the folded plate after the waste paper passes through the first paper passing hole;
step two: the first optical recognition device on the folded plate recognizes the font position on the front face of the waste paper and sends the recognized font position information on the front face of the waste paper to the control device;
step three: the second paper suction device on the folding plate sucks the waste paper and the waste paper enters the transverse plate through a second paper passing opening on the folding plate, the front side of the waste paper originally faces the surface of the folding plate after the waste paper passes through the second paper passing opening, and the front side of the waste paper faces upwards at the moment, namely the back side of the waste paper faces the surface of the transverse plate;
step four: the second optical recognition device on the transverse plate recognizes the font position on the reverse side of the waste paper and sends the recognized font position information on the reverse side of the waste paper to the control device;
step five: the third paper suction device on the transverse plate sucks the waste paper into the paper shredding cutter;
step six: the control device identifies font position information of the front and back surfaces of the waste paper according to the first optical identification device and the second optical identification device, and controls the cylinder to drive the paper shredding knife to stretch up and down according to the font position information of the front and back surfaces of the waste paper so as to cut the ink-containing part and the ink-free part of the waste paper;
step seven: when the control device obtains that the waste paper part cut by the current paper shredding cutter is an ink part or an ink-free part through the font position information of the front and back sides of the waste paper recognized by the first optical recognition device and the second optical recognition device, the control device controls the partition plate motor to enable the partition plate to rotate above the corresponding paper shredding box on one side, so that the cut paper shreds are separated and fall into the paper shredding box on the other side, and the ink part and the ink-free part of the waste paper shreds fall into the corresponding paper shredding boxes respectively after being cut.
Compared with the prior art, the paper shredding method has the beneficial effects that:
1. the full-automatic paper shredding machine has the advantages that full-automatic paper shredding is realized, only a stack of waste paper is placed at a designated position, and the waste paper is not required to be repeatedly stuffed into the machine in a certain quantity, so that the problem that the traditional paper shredder only can operate a certain quantity of paper at one time is solved.
2. The paper shredder of the invention has safe and reliable operation and can realize the high-quality separation of the ink part and the ink-free part.
3. After the waste paper is subdivided, the separation of the ink part and the ink-free part can be realized, the unnecessary pollution problem caused by the complicated process treatment of the ink-free paper participating in decoloring pulping and the like is avoided, the recovery process is greatly simplified, and the environmental pollution is reduced.
Drawings
FIG. 1 is a schematic view of the overall appearance of a shredder.
FIG. 2 is a schematic diagram of the internal structure of the shredder.
FIG. 3 is a schematic diagram of a paper passing structure of a shredder.
FIG. 4 is a schematic view of a paper suction device of a shredder.
FIG. 5 is a schematic view of a shredder blade.
FIG. 6 is a schematic view of a shredder box of the shredder.
In the figure: 1. the paper shredder comprises a paper shredder body 10, a paper passing plate 11, an inclined plate 12, a folded plate 13, a transverse plate 14, a first paper passing opening 15, a second paper passing opening 21, a first paper suction device 22, a second paper suction device 23, a third paper suction device 24, a first light sensing device 25, a paper rubbing wheel 26, a first motor 27, a first metal rod 31, a first optical recognition device 32, a second optical recognition device 40, a paper shredding cutter 41, a cylinder 42, a paper shredding cutter 60, a paper shredding box 61, a vertical plate 62, a rotating shaft 63, a partition plate 65, an ink box 66 and an ink-free box.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, characteristic details such as specific configurations and components are provided only to help the embodiments of the present invention be fully understood. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the invention. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.
The invention provides a paper shredder and a paper shredding method thereof.
As shown in fig. 1-3, a paper shredder 1 comprises a paper passing board 10, and a paper suction device, an optical recognition device, a paper shredding cutter 40, a control device and a paper shredding box 60 for sorting shredded paper, which are arranged on the paper passing board 10, wherein the paper suction device can suck the waste paper placed on the paper passing board 10 one by one and convey the waste paper to the paper shredding cutter 40 along the paper passing board 10; the optical recognition device is arranged on the paper passing plate 10 between the paper suction device and the paper shredding cutter 40, and when waste paper passes through, the optical recognition device performs font position recognition on the front surface and the back surface of the waste paper; the paper shredding cutter 40 is arranged at the tail end of the paper passing board 10 and can cut waste paper; the paper shredding box 60 for sorting shredded paper is arranged below the paper shredding cutter 40 and is used for sorting and storing the ink shredded paper and the non-ink shredded paper; wherein the control device recognizes the font position on the used paper and controls the paper shredding cutter 40 to operate according to the optical recognition device.
Further, the paper suction device includes a first paper suction device 21, a second paper suction device 22, and a third paper suction device 23, and the optical recognition device includes a first optical recognition device 31 and a second optical recognition device 32.
As shown in fig. 3, the paper passing board 10 is bent in a zigzag shape, and includes an inclined plate 11 inclined to a horizontal plane, a folded plate 12 connected to the inclined plate 11 and inclined to the horizontal plane in an opposite direction, and a horizontal plate 13 connected to the folded plate 12 and arranged horizontally, wherein the inclined plate 11 is provided with a first paper suction device 21 and a first paper passing port 14, the folded plate 12 is provided with a first optical recognition device 31, a second paper suction device 22 and a second paper passing port 15, and the horizontal plate 13 is provided with a second optical recognition device 32, a third paper suction device 23 and a paper shredding cutter 40. Therefore, the waste paper can be pushed to the paper shredding cutter 40 at a preset speed along the Z-shaped paper passing board 10 by the first paper suction device 21, the second paper suction device 22 and the third paper suction device 23, the paper passing board 10 is bent in a Z shape, and the first paper passing opening 14 and the second paper passing opening 14 formed in the paper passing board enable the font positions of the front side and the back side of the waste paper to be identified by the first optical identification device 31 and the second identification device 32 in the process of the waste paper going from the first paper suction device 21 to the paper shredding cutter 40, so that the ink-containing part and the ink-free part of the waste paper can be accurately separated by the paper shredding cutter 40.
As further shown in fig. 4, each of the first paper suction device 21, the second paper suction device 22, and the third paper suction device 23 includes a first light sensing device 24, a paper pickup wheel 25, a first motor 26, and a first metal rod 27, wherein the first motor 26 is connected to the first metal rod 27, and the first metal rod 27 is provided with the paper pickup wheel 25 for pushing the used paper to travel; the first light sensing device 24 is electrically connected to the first motor 26 and is located in front of the pickup roller 25. When waste paper is placed on the inclined plate 11 of the paper passing plate 10, the first light sensing device 24 detects the waste paper and controls the first motor 26 to rotate to drive the first metal rod 27 to rotate, and meanwhile, the paper rolling wheel 25 on the first metal rod 27 rotates to suck the waste paper, so that the waste paper enters the folded plate 12 through the first paper passing opening 14 on the inclined plate 11.
In addition, the friction force between the paper pickup wheel 25 and the paper surface is large, so that the paper pickup effect of the paper pickup wheel 25 is better.
Further, the first optical identification device 31 and the second optical identification device 32 each include a second light sensing device, a highlight lamp, a second motor, a capacitor, a photosensitive drum, a static elimination corona device, and a copper sheet, the second light sensing device is electrically connected to the highlight lamp, and the second motor is connected to the photosensitive drum to drive the photosensitive drum to rotate; the capacitor is arranged on one side of the photosensitive drum to make the surface of the photosensitive drum charged with static electricity; the charge eliminating corona device is arranged on the other side of the photosensitive drum and is used for eliminating charges remained on the surface of the photosensitive drum; one side of the copper sheet is connected with the photosensitive drum, and the other side of the copper sheet is electrically connected with the control device; the highlight lamp is arranged above the photosensitive drum so that the highlight lamp can irradiate the photosensitive drum, specifically, when waste paper passes through, the second light sensing device triggers the highlight lamp to be opened, irradiating the photosensitive drum, simultaneously driving the photosensitive drum to rotate by the second motor, and enabling the surface of the photosensitive drum to have a certain polarity and a certain amount of static charges by arranging one side of the capacitor on the photosensitive drum, namely a certain surface potential, so that the character position on the waste paper is irradiated on the photosensitive drum by the strong light in real time, because the ink on the waste paper blocks partial light irradiation, some parts on the photosensitive drum are not irradiated by complete light, so that positive charges are kept, when other non-inked parts on the waste paper are irradiated by the strong light, the corresponding areas on the photosensitive drum are irradiated by complete light, at the moment, the positive charges are guided away, so that an electrostatic latent image corresponding to the ink marks on the waste paper is formed on the photosensitive drum by the fluctuation of the potential on the photosensitive drum.
Furthermore, one side of the copper sheet is connected with the photosensitive drum, and the other side of the copper sheet is electrically connected with the control device, so that the information of the fluctuation of the electric potential of the photosensitive drum in the rotating process is received by the copper sheet and is sent to the control device.
In addition, the de-electrifying corona device removes residual charges on the surface of the photosensitive drum after the photosensitive drum finishes the collection of the ink mark information on one piece of waste paper so as to collect the position information of the next piece of waste paper.
As shown in fig. 5, the shredding cutter 40 includes an air cylinder 41 and a shredding knife 42, the air cylinder 41 is disposed above the end of the paper passing board 10, the shredding knife 42 is fixedly connected to the bottom of the air cylinder 41, specifically, the air cylinder is disposed in the shredder 1 and above the end of the paper passing board 10, and the shredding knife 42 is fixedly connected to an output shaft of the air cylinder 41, so that the air cylinder 41 drives the shredding knife 42 to reciprocate up and down to cut the waste paper.
In addition, the shredding cutter 40 further includes an air pump for providing the air cylinder 41 with up-and-down movement, so that the air pump is controlled by the control device to make the air cylinder 41 drive the shredding cutter 42 to move up-and-down.
More specifically, the control device controls the paper shredding knife 42 of the paper shredding knife 40 to reciprocate up and down to cut off the ink-containing part and the ink-free part of the waste paper according to the font position information of the front and back sides of the waste paper recognized by the first optical recognition device 31 and the second recognition device 32, and controls the paper shredding knife 42 to move up and down to cut the waste paper when the control device determines that the waste paper at the current position of the paper shredding knife 40 is the ink-containing part; when the control device determines that the used paper at the current position of the paper shredder blade 40 is an inkless part, the control device controls the paper shredder blade 42 to contract to stop cutting the used paper.
As shown in fig. 6, the paper shredding box 60 is composed of an ink box 65 and an ink-free box 66, a vertical plate 61 is arranged between the ink box 65 and the ink-free box 66, a rotating shaft 62, a partition plate 63 and a partition plate motor are arranged on the top of the vertical plate 61, the bottom of the partition plate 63 and the top of the vertical plate 61 are hinged and fixed to each other through the rotating shaft 62, and an output shaft of the partition plate motor is coaxially connected with the rotating shaft 62 to drive the partition plate 63 to rotate along the axis of the rotating shaft 62. Further, the control device is electrically connected to the partition motor, so that the control device can control the partition to rotate along the axis of the rotating shaft 62 through the partition motor. Specifically, the control device controls the extension and retraction of the paper shredding blade 42 of the paper shredding blade 40 according to the font position information of the front and back sides of the waste paper recognized by the first optical recognition device 31 and the second recognition device 32, so as to cut off the ink-containing part and the ink-free part of the waste paper, when the control device determines that the waste paper at the current position of the paper shredding blade 40 is the ink-containing part, the control device controls the partition motor to rotate the partition 63 to the upper side of the ink-free paper box 66, so that the ink-containing part of the waste paper enters the ink-containing paper box 65, and when the control device determines that the waste paper at the current position of the paper shredding blade 40 is the ink-free part, the control device controls the partition motor to rotate the partition 63 to the upper side of the ink-containing paper box 65, so that the ink-free part of.
In addition, first light sense device 24 and second light sense device all have little bulb photo resistance and C-shaped piece to constitute, are equipped with the little bulb on the C-shaped piece, and light from the top is shone, and the photo resistance is equipped with to C-shaped frame lower extreme to after the waste paper is whole inhales, light will directly shine on the photo resistance and make its resistance change greatly, with this realization whether by whole inspiratory control to waste paper.
The invention also discloses a paper shredding method of the paper shredder, which comprises the following steps:
step one, putting waste paper on a paper passing plate 10 of a paper shredder 1, wherein the waste paper shields a photoresistor on the paper passing plate 10 to receive light irradiation from a small bulb lamp, the photoresistor senses that light changes and then transmits a sensing signal to a control device through electric connection, the control device starts to start a first motor 26 on a first paper suction device 21 to rotate after receiving the signal change transmitted by the photoresistor, the first motor 26 drives a first metal rod 27 to rotate, meanwhile, a paper twisting wheel 25 on the first metal rod 27 rotates to suck the waste paper into a first paper passing opening 14 on an inclined plate 11, and after the waste paper passes through the first paper passing opening 14, the original face of the waste paper facing upwards faces the surface of a folded plate at the moment;
step two, after the waste paper enters the folding plate 12, a second light sensing device on the folding plate 12 detects the waste paper and triggers a strong light lamp to open to irradiate the photosensitive drum, meanwhile, a second motor drives the photosensitive drum to rotate, one side of the photosensitive drum is provided with a capacitor, so that the surface of the photosensitive drum has certain polarity and certain amount of static charges, namely certain surface potential, therefore, the strong light lamp irradiates the font position on the waste paper on the photosensitive drum in real time, because the ink part on the waste paper blocks partial light irradiation, some places on the photosensitive drum are not irradiated by complete light, thus keeping positive charge, and when other ink part on the waste paper is irradiated by strong light, the corresponding area on the photosensitive drum is irradiated by complete light, at the moment, the positive charge is guided away, thus forming a static latent image corresponding to the ink mark on the waste paper on the photosensitive drum through the fluctuation change of the potential on the photosensitive drum, one side of the copper sheet is connected with the photosensitive drum, so that the information of the fluctuation of the electric potential of the photosensitive drum in the rotation process is received by the copper sheet and is sent to the control device;
step three, the second paper suction device on the folded plate 12 sucks the waste paper into the waste paper and passes through the second paper passing port 15 on the folded plate, that is, after the photoresistor on the second paper suction device 22 senses that light changes, a sensing signal is transmitted to the control device through electric connection, the control device starts to start the first motor 26 on the second paper suction device to rotate after receiving the signal change transmitted from the photoresistor, the first motor 26 drives the first metal rod 27 to rotate, meanwhile, the paper pickup wheel 25 on the first metal rod 27 rotates to suck the waste paper into the second paper passing port 15 on the folded plate 12, the front side of the waste paper originally faces the surface of the folded plate 12 after passing through the second paper passing port 15, and the back side of the waste paper faces the surface of the transverse plate 13;
step four, the second optical recognition device 32 on the transverse plate 13 recognizes the font position on the reverse side of the waste paper, that is, after the waste paper enters the transverse plate 13, the second optical sensing device on the transverse plate 13 detects the waste paper and triggers the powerful light to turn on, so as to irradiate the photosensitive drum, meanwhile, the second motor drives the photosensitive drum to rotate, and the photosensitive drum is provided with a capacitor side, so that the surface of the photosensitive drum has a certain polarity and a certain amount of static charges, that is, has a certain surface potential, therefore, the powerful light irradiates the font position on the waste paper on the photosensitive drum in real time, as the ink part on the waste paper blocks partial light irradiation, some places on the photosensitive drum are not irradiated by complete light, so as to keep positive charge, and when other ink-free parts on the waste paper are irradiated by the powerful light, the corresponding area on the photosensitive drum is irradiated by complete light, at this time, the positive charges are guided away, so that an electrostatic latent image corresponding to ink marks on waste paper is formed on the photosensitive drum through fluctuation of electric potentials on the photosensitive drum, and the photosensitive drum is connected with the photosensitive drum through one side of the copper sheet, so that information of fluctuation of the electric potentials of the photosensitive drum in the rotation process is received by the copper sheet and sent to the control device;
step five, the third paper suction device 23 on the transverse plate 13 sucks the waste paper into the paper shredding cutter 40, that is, after the light-sensitive resistor on the third paper suction device 23 senses that the light changes, a sensing signal is transmitted to the control device through electric connection, the control device starts to start the first motor 26 on the third paper suction device 23 to rotate after receiving the signal change transmitted by the light-sensitive resistor, the first motor 26 drives the first metal rod 27 to rotate, and meanwhile, the paper pickup wheel 25 on the first metal rod 27 rotates to suck the waste paper into the paper shredding cutter 40 on the transverse plate 13;
sixthly, when the control device identifies the font position information of the front and back surfaces of the waste paper according to the first optical identification device 31 and the second optical identification device 32, and controls the air cylinder 41 to drive the paper shredding knife 42 to move up and down according to the font position information of the front and back surfaces of the waste paper, so that the ink-containing part and the ink-free part of the waste paper are cut;
and step seven, when the control device obtains that the part of the waste paper cut by the paper shredding cutter 40 is an ink part or an ink-free part through the font position information of the front and back sides of the waste paper recognized by the first optical recognition device 31 and the second optical recognition device 32, the control device controls the partition motor to enable the partition 63 to rotate above the corresponding paper shredding box on one side, so that the cut paper shreds are separated and fall into the paper shredding box 60 on the other side, and the ink part and the ink-free part of the waste paper shreds fall into the corresponding paper shredding boxes 60 respectively after being cut.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the invention has been described in detail with reference to the foregoing illustrative embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A paper shredder is characterized in that: the paper shredder (1) comprises a paper passing plate (10), and a paper suction device, an optical recognition device, a paper shredding cutter (40), a control device and a paper shredding box (60) for sorting shredded paper, which are arranged on the paper passing plate (10), wherein the paper suction device can suck the waste paper placed on the paper passing plate (10) one by one and convey the waste paper to the paper shredding cutter (40) along the paper passing plate (10); the optical recognition device is arranged on the paper passing plate (10) between the paper suction device and the paper shredding cutter (40), and when waste paper passes through, the optical recognition device recognizes the font positions on the front surface and the back surface of the waste paper; the paper shredding cutter (40) is arranged at the tail end of the paper passing board (10) and can cut waste paper; the paper shredding box (60) for sorting shredded paper is arranged below the paper shredding cutter (40) and is used for sorting and storing the ink shredded paper and the non-ink shredded paper; wherein the control device identifies the font position on the waste paper according to the optical identification device and controls the paper shredding cutter (40) to work;
still be equipped with riser (61) between shredded paper case (60), riser (61) top is equipped with pivot (62), baffle (63) and baffle motor, baffle (63) bottom with pass through between riser (61) top pivot (62) are articulated fixed each other, the output shaft of baffle motor with pivot (62) coaxial coupling, with the drive baffle (63) are followed the axle center of pivot (62) is rotated.
2. The paper shredder according to claim 1, characterized in that: it is "zigzag" buckling to cross cardboard (10), including swash plate (11) that is inclined to the horizontal plane, connect swash plate (11) and reverse slope in folded plate (12) of horizontal plane, and connect folded plate (12) and horizontal diaphragm (13) that the level set up, wherein, first paper mouth (14) of crossing is seted up to one end on swash plate (11), seted up second on folded plate (12) and crossed paper mouth (15).
3. The paper shredder according to claim 2, characterized in that: the paper suction device comprises a first paper suction device (21), a second paper suction device (22) and a third paper suction device (23), the optical recognition device comprises a first optical recognition device (31) and a second optical recognition device (32), the first paper suction device (21) is arranged on the inclined plate (11), the second paper suction device (22) and the first optical recognition device (31) are arranged on the folded plate (12), and the third paper suction device (23), the second optical recognition device (32) and the paper shredding cutter (40) are arranged on the transverse plate (13).
4. A paper shredder according to claim 3, characterized in that: the paper feeding device comprises a first paper suction device (21), a second paper suction device (22) and a third paper suction device (23) which respectively comprise a first light sensing device (24), a paper twisting wheel (25), a first motor (26) and a first metal rod (27), wherein the first motor (26) is connected with the first metal rod (27), the first metal rod (27) is provided with the paper twisting wheel (25) for pushing waste paper to advance, and the first light sensing device (24) is electrically connected with the first motor (26) and is positioned in front of the paper twisting wheel (25).
5. The shredder according to claim 4, wherein: the first optical identification device (31) and the second optical identification device (32) respectively comprise a second light sensing device, a highlight lamp, a second motor, a capacitor, a photosensitive drum, a static elimination corona device and a copper sheet, the second light sensing device is electrically connected with the highlight lamp, and the second motor is connected with the photosensitive drum to drive the photosensitive drum to rotate; the capacitor is arranged on one side of the photosensitive drum to make the surface of the photosensitive drum charged with static electricity; the charge eliminating corona device is arranged on the other side of the photosensitive drum and is used for eliminating charges remained on the surface of the photosensitive drum; one side of the copper sheet is connected with the photosensitive drum, and the other side of the copper sheet is electrically connected with the control device; the floodlight is arranged above the photosensitive drum so that the floodlight can irradiate the photosensitive drum.
6. The paper shredder according to claim 1, characterized in that: paper shredding cutter (40) include cylinder (41), paper shredding cutter (42), cylinder (41) set up cross the terminal top of cardboard (10), paper shredding cutter (42) with cylinder (41) bottom fixed connection, just the cylinder is connected with controlling means electricity to make controlling means control cylinder (41) drive paper shredding cutter (42) and do reciprocating motion from top to bottom, thereby cut waste paper.
7. The paper shredder according to claim 1, characterized in that: the paper shredding box (60) is composed of an ink box (65) and an ink-free box (66), and the riser (61) is arranged between the ink box (65) and the ink-free box (66).
8. The paper shredder according to claim 1, characterized in that: the control device is electrically connected with the partition plate motor.
9. A method of shredding paper by a shredder according to any one of claims 2 to 5, characterized in that; the method comprises the following steps:
the method comprises the following steps: when waste paper is placed on an inclined plate (11) of a paper passing plate (10), a first paper suction device (21) on the inclined plate (11) sucks the waste paper and enters a folded plate (12) through a first paper passing port (14) on the inclined plate (11), and the surface of the folded plate (12) which is faced upwards by the original waste paper after the waste paper passes through the first paper passing port (14) faces upwards;
step two: a first optical recognition device (31) on the folded plate (12) recognizes the font position on the front face of the used paper and sends the recognized font position information on the front face of the used paper to the control device;
step three: a second paper suction device (22) on the folding plate (12) sucks the waste paper and enters the transverse plate (13) through a second paper passing port (15) on the folding plate, the front of the waste paper originally faces the surface of the folding plate (12) after the waste paper passes through the second paper passing port (15), and the front of the waste paper faces upwards at the moment, namely the back of the waste paper faces the surface of the transverse plate (13);
step four: a second optical recognition device (32) on the transverse plate (13) recognizes the font position on the reverse side of the waste paper and sends the recognized font position information on the reverse side of the waste paper to the control device;
step five: a third paper suction device (23) on the transverse plate (13) sucks the waste paper into a paper shredding cutter (40);
step six: the control device identifies the font position information of the front and back surfaces of the waste paper according to the first optical identification device (31) and the second optical identification device (32), and controls the air cylinder (41) to drive the paper shredding knife (42) to stretch up and down according to the font position information of the front and back surfaces of the waste paper so as to cut the ink-containing part and the ink-free part of the waste paper;
step seven: when the control device obtains that the part of the waste paper cut by the front and back sides of the waste paper is an ink part or an ink-free part through the font position information of the first optical recognition device (31) and the second optical recognition device (32), the control device controls the partition plate motor to enable the partition plate (63) to rotate above the corresponding side of the paper shredding box, so that the cut paper shredding is separated and falls into the other side of the paper shredding box (60), and the ink part and the ink-free part of the waste paper are respectively fallen into the corresponding paper shredding box (60) after being cut.
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| CN111515003B (en) * | 2020-04-10 | 2021-07-16 | 中国民用航空局信息中心 | RFID airworthiness certificate destruction recording system and method |
| CN113731564B (en) * | 2021-10-12 | 2023-03-21 | 浙江理工大学 | Paper shredding device for separating ink-containing part and ink-free part of paper based on laser cutting |
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