CN111330704A

CN111330704A - Recovery plant is destroyed in secret file integration

Info

Publication number: CN111330704A
Application number: CN202010168759.6A
Authority: CN
Inventors: 邢达; 齐颖; 朱贝利; 赵少飞
Original assignee: Beijing Rongxingda Technology Development Co ltd
Current assignee: Beijing Rongxingda Technology Development Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-06-26

Abstract

The invention discloses integrated destroying and recycling equipment for confidential documents, which comprises a case, wherein a paper shredding cavity, a power cavity, a sliding cavity, a conveying cavity and a water storage cavity are formed in the case, a paper inlet hopper is formed in the top of the case and communicated with the paper shredding cavity, a paper outlet is formed in the cavity wall at the bottom of the paper shredding cavity, one end of the sliding cavity is communicated with the power cavity, one side, away from the power cavity, of the sliding cavity penetrates through the wall of the case, the sliding cavity is positioned below the conveying cavity, the water storage cavity is positioned above the conveying cavity, and a connecting port is formed in the cavity wall at one end, away from the power cavity, of the sliding cavity and communicated with the conveying cavity. Has the advantages that: the paper shredding cavity is internally provided with a three-level paper shredding mechanism comprising a fine-tooth paper shredding wheel, a coarse-tooth paper shredding wheel and a comb-strip paper shredding wheel, and the confidential documents are shredded into paper strips and paper scraps which are broken into paper scraps, so that the confidential documents are difficult to recover, and the security of destroying the confidential documents is greatly improved.

Description

Recovery plant is destroyed in secret file integration

Technical Field

The invention relates to the technical field of file destroying devices, in particular to integrated destroying and recycling equipment for confidential files.

Background

Some confidential documents in departments such as schools, enterprises and public institutions need to be destroyed, the destruction of confidential document paper ensures that confidential information cannot be restored, and since professional paper destruction technologies and equipment are not available at home and abroad, the timely destruction of the confidential document paper cannot be realized, and most of the confidential document paper is treated by adopting a centralized destruction mode: the confidential paper to be destroyed, including original document, draft, clear sample, waste document and copy document, is stored in a security room and managed by a special person, and is transported by a special vehicle and a special person at regular intervals to be escorted, and then is sent to a boiler or an incinerator to be incinerated and sent to a pulp chest of a paper mill to be pulped, and the special person is in the field to supervise.

The conventional centralized destruction mode is troublesome and greatly consumes manpower and material resources, most of common paper shredders crush files into thinner paper strips and paper scraps, the prior art can restore the paper strips and the paper scraps, so that the content of confidential files is exposed, the destruction requirement of important files cannot be met, and the confidential file well is mostly paper scraps after being smashed and destroyed, is fluffy, occupies the volume and is difficult to arrange, and is not beneficial to subsequent recovery, transportation and processing.

Disclosure of Invention

The invention aims to solve the problems that the destroying mode in the prior art is not only troublesome and consumes manpower and material resources greatly, but most of common paper shredders crush files into thinner paper strips and cannot meet the destroying requirement of important files, and provides integrated destroying and recycling equipment for confidential files.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a be used for a recovery plant is destroyed in secret-related file integration, includes quick-witted case, quick-witted incasement has seted up shredded paper chamber, power chamber, slip chamber, carries chamber and water storage chamber, quick-witted case roof has seted up one and has gone into paper fill and shredded paper chamber intercommunication, shredded paper chamber bottom chamber wall has seted up a exit slot, slip chamber one end and power chamber intercommunication, the one side that the power chamber was kept away from in the slip chamber runs through the tank wall of quick-witted case, the slip chamber is located the below of carrying the chamber, the water storage chamber is located the top of carrying the chamber, the slip chamber is kept away from on the one end chamber wall in power chamber and has seted up a connector and carry the chamber intercommunication, the machine incasement is equipped with file destruction structure and shredded paper.

In foretell be arranged in a recovery plant is destroyed to secret document integration, the file is destroyed the structure and is included two first pivots, two second pivots and two third pivots, both sides tank wall from top to bottom passes through the bearing rotation with two third pivots, two second pivots and two first pivots in proper order around the shredded paper chamber and is connected, every coaxial coupling has fine tooth shredded paper wheel, every in the first pivot coaxial coupling has coarse tooth shredded paper wheel, every in the second pivot coaxial coupling has comb strip shredded paper wheel, two both sides tank wall around first pivot runs through, two second pivot and two third pivots run through the front side tank wall, be equipped with power transmission on the outer tank wall of machine case.

In foretell be arranged in a classified document integration to destroy recovery plant, power transmission includes a servo motor, equal coaxial welding has a pinion, each group in first pivot, second pivot and the third pivot on the outer tank wall of machine case front side the common cover is equipped with a cingulum, two in first pivot, second pivot and the third pivot equal coaxial welding of tank wall part is located machine case rear side to the first pivot has a gear wheel, two the gear wheel meshes mutually, first servo motor's shell welding is on the outer wall of machine case, coaxial welding has an action wheel, one of them on first servo motor's the output shaft coaxial welding has one to follow the driving wheel, overlap jointly and be equipped with a conveyer belt between follow driving wheel and the action wheel.

In the integrated destroying and recycling device for the confidential documents, the shredded paper recycling and arranging structure comprises a second servo motor, the cavity walls of the two sides of the power cavity are rotatably connected with a worm through a bearing, one end of the worm penetrates through the box wall and is coaxially welded with an output shaft of the second servo motor, the shell of the second servo motor is welded on the outer wall of the case, one end of the worm, which is far away from the second servo motor, penetrates through the cavity wall and extends into the conveying cavity, the part of the worm, which is positioned in the conveying cavity, is coaxially welded with a long shaft, the long shaft is welded with auger blades, an extrusion block and a sliding block are slidably connected in the sliding cavity, a connecting rod is welded between the extrusion block and the sliding block, the sliding block is rotatably connected with a transmission rod through a pin shaft, and the cavity wall in the power cavity is provided, the worm wheel is meshed with the worm, the eccentric position on the worm wheel is rotationally connected with one end, far away from the sliding block, of the transmission rod through a pin shaft, a sprayer is arranged in the cavity wall between the water storage cavity and the conveying cavity, and a pressure control device is arranged at the position, penetrating through the box wall, of the sliding cavity.

In the above-mentioned recovery plant is destroyed in being used for a secret document integration, pressure control device includes the electro-magnet, the welding has a rotation seat on the outer wall that the sliding chamber runs through quick-witted case wall department, rotate and be connected with a baffle through the round pin axle on the seat, the electro-magnet is installed in the tank wall of being close to baffle lower extreme quick-witted case, be fixed with a pressure sensor on the chamber wall that the sliding chamber is close to the electro-magnet, the electro-magnet passes through the circuit intercommunication with pressure sensor.

In foretell be used for a secret document integration to destroy recovery plant, all weld the inner chamber board that has stainless steel material in the chamber wall of shredded paper chamber both sides, every side seted up the circular arc groove of three half circle on the inner chamber board, the circular arc groove of inner chamber board is arranged in to fine tooth shredded paper wheel, coarse tooth shredded paper wheel and stripping shredded paper wheel.

In the integrated destruction and recovery device for the confidential documents, the sensor is arranged in the sprayer, and the model of the second servo motor is 80 ST-M03520.

Compared with the prior art, the invention has the advantages that:

1. the invention is provided with a three-level paper shredding mechanism of a fine-tooth paper shredding wheel, a coarse-tooth paper shredding wheel and a comb-strip paper shredding wheel in a paper shredding cavity, wherein confidential documents enter from a paper inlet and are shredded by the comb-strip paper shredding wheel, the coarse-tooth paper shredding wheel and the fine-tooth paper shredding wheel in sequence, the comb-strip paper shredding wheel firstly shreds the confidential documents into paper strips, the coarse-tooth paper shredding wheel shreds the paper strips into paper scraps, and finally the paper scraps are shredded by the fine-tooth paper shredding wheel to make the confidential documents difficult to recover, thereby greatly improving the destruction safety of the confidential documents.

2. The machine case is internally provided with a conveying cavity and a water storage cavity, after the paper of the confidential documents is crushed into paper scraps, the paper scraps are conveyed by an auger blade in the conveying cavity, water added with a deinking agent in the water storage cavity is sprayed on the paper scraps in the conveying cavity by a sprayer, the paper scraps are stirred while being conveyed by the auger blade, so that the deinking agent and the paper scraps are mixed, the friction between the paper scraps and the paper scraps is favorable for falling off of character ink, the confidential documents can not be restored thoroughly, and the destruction safety is further improved.

3. The lower in the transport chamber is equipped with the slip chamber, and the wastepaper that has passed through the transport chamber drops to the slip intracavity from the connector, and gliding extrusion piece that makes a round trip extrudees the wastepaper, because there is the existence of water, bonds very easily between the wastepaper, and the wastepaper of originally fluffy occupation of volume is extruded into the wastepaper piece, is convenient for retrieve the transportation at the back, utilizes.

4. Through being equipped with power transmission such as first pivot, second pivot, third pivot, pinion, gear wheel, a servo motor provides power for three-level shredded paper mechanism simultaneously of fine tooth shredded paper wheel, coarse tooth shredded paper wheel and sliver shredded paper wheel, with power transmission maximize.

Drawings

FIG. 1 is a structural sectional view of an integrated destroying and recycling device for confidential documents according to the present invention;

FIG. 2 is a front view of an integrated destruction and recycling device for confidential documents according to the present invention;

FIG. 3 is a rear view of an integrated destroying and recycling device for confidential documents according to the present invention;

fig. 4 is a top sectional view of a structure of a sliver and paper breaking wheel for an integrated destroying and recycling device of confidential documents.

In the figure: 1 chassis, 2 paper feeding buckets, 3 paper shredding cavities, 301 inner cavity plates, 4 first rotating shafts, 5 second rotating shafts, 6 third rotating shafts, 7 fine-tooth paper shredding wheels, 8 coarse-tooth paper shredding wheels, 9 sliver paper shredding wheels, 10 paper outlet ports, 11 pinions, 12 toothed belts, 13 large gears, 14 driven wheels, 15 transmission belts, 16 driving wheels, 17 first servo motors, 18 power cavities, 19 worms, 20 long shafts, 21 second servo motors, 22 sliding cavities, 23 extrusion blocks, 24 sliding blocks, 25 connecting rods, 26 transmission rods, 27 worm wheels, 28 conveying cavities, 29 auger blades, 30 connecting ports, 31 water storage cavities, 32 sprayers, 33 rotating seats, 34 electromagnets, 35 baffles and 36 pressure sensors.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

Examples

Referring to fig. 1-4, an integrated destroying and recycling device for confidential documents comprises a case 1 and is characterized in that a paper shredding cavity 3, a power cavity 18, a sliding cavity 22, a conveying cavity 28 and a water storage cavity 31 are formed in the case 1, a paper inlet hopper 2 communicated with the paper shredding cavity 3 is formed in the top of the case 1, a paper outlet 10 is formed in the cavity wall at the bottom of the paper shredding cavity 3, one end of the sliding cavity 22 is communicated with the power cavity 18, one side, far away from the power cavity 18, of the sliding cavity 22 penetrates through the box wall of the case 1, the sliding cavity 22 is located below the conveying cavity 28, the water storage cavity 31 is located above the conveying cavity 28, a connector 30 communicated with the conveying cavity 28 is formed in the cavity wall of one end, far away from the power cavity 18, of the sliding cavity 22, and a document destroying structure and a paper shredding.

The file destroying structure comprises two first rotating shafts 4, two second rotating shafts 5 and two third rotating shafts 6, the front side wall and the rear side wall of a paper crushing cavity 3 are sequentially and rotatably connected with the two third rotating shafts 6, the two second rotating shafts 5 and the two first rotating shafts 4 through bearings from top to bottom, a fine-tooth paper crushing wheel 7 is coaxially welded on each first rotating shaft 4, paper scraps are crushed into paper scraps by the fine-tooth paper crushing wheel 7, a coarse-tooth paper crushing wheel 8 is coaxially welded on each second rotating shaft 5, paper scraps are crushed into paper scraps by the coarse-tooth paper crushing wheel 8, a comb strip paper crushing wheel 9 is coaxially welded on each third rotating shaft 6, the comb strip paper crushing wheel 9 is used for crushing the paper into paper strips, the two first rotating shafts 4 penetrate through the front side wall and the rear side wall, the two second rotating shafts 5 and the two third rotating shafts 6 penetrate through the front side wall, a power transmission device is arranged on the outer box wall of a case 1, inner cavity plates 301 made of stainless steel are welded in the two side wall of the paper crushing, three arc grooves of half circle are arranged on the inner cavity plate 301 at each side, and the fine-tooth paper shredding wheel 7, the coarse-tooth paper shredding wheel 8 and the comb strip paper shredding wheel 9 are arranged in the arc grooves of the inner cavity plate 301, so that confidential documents can be broken and destroyed fully, and the safety is improved.

The power transmission device comprises a first servo motor 17, a pinion 11 is coaxially welded on a first rotating shaft 4 on the outer wall of the front side of the case 1, a toothed belt 12 is sleeved on each of a second rotating shaft 5 and a third rotating shaft 6, the rotating speeds of the first rotating shaft 4, the second rotating shaft 5 and the third rotating shaft 6 in each group are the same, a large gear 13 is coaxially welded on the outer wall of the case 1 at the rear side of the case 1 of the two first rotating shafts 4, the two large gears 13 are meshed with each other, the shell of the first servo motor 17 is welded on the outer wall of the case 1, a driving wheel 16 is coaxially welded on the output shaft of the first servo motor 17, a driven wheel 14 is coaxially welded on one large gear 13, and a conveying belt 15 is sleeved between the driven wheel 14 and the driving wheel 16.

The shredded paper recycling and arranging structure comprises a second servo motor 21, two side cavity walls of a power cavity 18 are rotatably connected with a worm 19 through bearings, one end of the worm 19 penetrates through a box wall and is coaxially welded with an output shaft of the second servo motor 21, a shell of the second servo motor 21 is welded on the outer wall of a case 1, one end of the worm 19, which is far away from the second servo motor 21, penetrates through the cavity wall and extends into a conveying cavity 28, a long shaft 20 is coaxially welded in the part, located in the conveying cavity 28, of the worm 19, a packing auger blade 29 is welded on the long shaft 20, a squeezing block 23 and a sliding block 24 are slidably connected in a sliding cavity 22, a connecting rod 25 is welded between the squeezing block 23 and the sliding block 24, a transmission rod 26 is rotatably connected on the sliding block 24 through a pin shaft, a worm wheel 27 is arranged on the inner cavity wall of the power cavity 18 through a pin shaft, the worm wheel 27 is meshed with, a sprayer 32 is arranged in the wall between the water storage cavity 31 and the conveying cavity 28, and a pressure control device is arranged at the position where the sliding cavity 22 penetrates through the box wall of the case 1.

The pressure control device comprises an electromagnet 34, a rotating seat 33 is welded on the outer wall of the sliding cavity 22 penetrating through the box wall of the case 1, a baffle 35 is rotatably connected onto the rotating seat 33 through a pin shaft, the electromagnet 34 is installed in the box wall of the case 1 close to the lower end of the baffle 35, a pressure sensor 36 is fixed on the cavity wall of the sliding cavity 22 close to the electromagnet 34, the electromagnet 34 is communicated with the pressure sensor 36 through a circuit, when the pressure of the pressure sensor 36 exceeds a set value, the electromagnet 34 is disconnected from the circuit, the magnetic force is not generated, the baffle 35 is in a rotatable state at the moment, the extrusion block 23 pushes out a paper scrap block from the sliding cavity 22, an inductor is arranged in the sprinkler 32, when the auger blade 29 in the conveying cavity 28 rotates, the sprinkler 32 starts to spray, and the model of the second servo motor 21 is 80 ST-M03520.

In the invention, the first servo motor 17 and the second servo motor 21 of the destroying and recycling device are started to work, confidential documents are put into the case 1 from the paper feeding hopper 2, the first servo motor 17 drives the driving wheel 16 to rotate, two first rotating shafts 4 are driven to rotate reversely at the same speed by the meshing transmission of the conveyor belt 15 and the two large gears 13, the second rotating shaft 5 and the third rotating shaft 6 are powered through the pinions 11 and the two toothed belts 12, so that the two second rotating shafts 5 and the two third rotating shafts 6 rotate reversely at the same speed, confidential documents sequentially pass through the comb strip paper shredding wheel 9, the coarse tooth paper shredding wheel 8 and the fine tooth paper shredding wheel 7 in the paper shredding cavity 3, the paper of the confidential documents is firstly crushed into paper strips by the comb strip paper shredding wheel 9, the paper strips are crushed into paper scraps by the coarse tooth paper shredding wheel 8, the paper scraps are crushed into paper scraps by the final fine tooth paper shredding wheel 7, and the paper scraps are crushed into the paper scraps and then enter a paper scrap recycling and arranging structure from a paper outlet 10 below the paper shredding cavity 3.

The scraps of paper firstly fall into a conveying cavity 28, a worm 19 and a long shaft 20 are driven to rotate by power provided by a second servo motor 21, so that an auger blade 29 rotates, a worm wheel 27 meshed with the worm 19 in a power cavity 18 is driven to rotate, an extrusion block 23 slides back and forth in a sliding cavity 22 by a crank connecting rod structure consisting of the worm wheel 27, a transmission rod 26 and a sliding block 24, the scraps of paper are conveyed to a connecting port 30 from a paper outlet 10 along with the rotation of the auger blade 29, a sprayer 32 sprays water added with a deinking agent in a water storage cavity 31 onto the scraps of paper in the conveying cavity 28 during conveying, the auger blade 29 stirs the scraps of paper while conveying, so that the deinking agent and the scraps of paper are mixed together, the scraps of paper with the deinking agent and the scraps of paper which are not sprayed to water are stirred together, the friction of the scraps of paper and the scraps of paper is favorable for falling off of character ink while mutually adhering the deinking agent, thoroughly make the file of wading secret unable reconvertible, the wastepaper that has passed through conveying chamber 28 falls to sliding chamber 22 from connector 30 in, and gliding extrusion piece 23 that makes a round trip carries out continuous extrusion to the wastepaper, makes originally fluffy wastepaper that occupies the volume by the extrusion piece, and when wastepaper weight reached certain numerical value, pressure sensor 36 open circuit makes electro-magnet 34 no longer fixed stop 35, and the wastepaper piece is got rid of quick-witted case 1 by extrusion piece 23, and the wastepaper piece that does not occupy the volume is convenient for transport recovery processing.

Although the terms of the cabinet 1, the paper feeding bucket 2, the paper shredding chamber 3, the inner cavity plate 301, the first rotating shaft 4, the second rotating shaft 5, the third rotating shaft 6, the fine-toothed paper shredding wheel 7, the coarse-toothed paper shredding wheel 8, the sliver paper shredding wheel 9, the paper outlet 10, the pinion 11, the toothed belt 12, the large gear 13, the driven wheel 14, the conveyor belt 15, the driving wheel 16, the first servo motor 17, the power chamber 18, the worm 19, the long shaft 20, the second servo motor 21, the sliding chamber 22, the squeezing block 23, the sliding block 24, the connecting rod 25, the transmission rod 26, the worm wheel 27, the conveying chamber 28, the auger blade 29, the connecting port 30, the water storage chamber 31, the sprinkler 32, the rotating seat 33, the electromagnet 34, the baffle 35, the pressure sensor 36, and the like are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The integrated destroying and recycling device for the confidential documents comprises a case (1) and is characterized in that a paper shredding cavity (3), a power cavity (18), a sliding cavity (22), a conveying cavity (28) and a water storage cavity (31) are formed in the case (1), a paper inlet hopper (2) communicated with the paper shredding cavity (3) is formed in the top of the case (1), a paper outlet (10) is formed in the wall of the bottom cavity of the paper shredding cavity (3), one end of the sliding cavity (22) is communicated with the power cavity (18), one side, away from the power cavity (18), of the sliding cavity (22) penetrates through the wall of the case (1), the sliding cavity (22) is located below the conveying cavity (28), the water storage cavity (31) is located above the conveying cavity (28), one end, away from the power cavity (18), of the sliding cavity (22) is provided with a connecting port (30) communicated with the conveying cavity (28), a file destroying structure and a shredded paper recycling and arranging structure are arranged in the case (1).

2. The integrated destroying and recycling device for confidential documents according to claim 1, wherein the document destroying structure comprises two first rotating shafts (4), two second rotating shafts (5) and two third rotating shafts (6), the front side and the rear side of the paper shredding cavity (3) are sequentially and rotatably connected with the two third rotating shafts (6), the two second rotating shafts (5) and the two first rotating shafts (4) through bearings from top to bottom, fine-tooth shredded paper wheels (7) are coaxially welded on each first rotating shaft (4), coarse-tooth shredded paper wheels (8) are coaxially welded on each second rotating shaft (5), comb-bar shredded paper wheels (9) are coaxially welded on each third rotating shaft (6), the two first rotating shafts (4) penetrate through the front side and the rear side of the box walls, and the two second rotating shafts (5) and the two third rotating shafts (6) penetrate through the front side of the box walls, and a power transmission device is arranged on the outer box wall of the case (1).

3. The integrated destruction and recovery device for classified documents according to claim 2, wherein the power transmission device comprises a first servo motor (17), the first rotating shaft (4), the second rotating shaft (5) and the third rotating shaft (6) on the outer wall of the front side of the case (1) are coaxially welded with a pinion (11), each group of the first rotating shaft (4), the second rotating shaft (5) and the third rotating shaft (6) are commonly sleeved with a toothed belt (12), the outer wall parts of the two first rotating shafts (4) on the rear side of the case (1) are coaxially welded with a gearwheel (13), the two gearwheels (13) are meshed with each other, the shell of the first servo motor (17) is welded on the outer wall of the case (1), the output shaft of the first servo motor (17) is coaxially welded with a driving wheel (16), one of the bull gears (13) is coaxially welded with a driven wheel (14), and a conveying belt (15) is sleeved between the driven wheel (14) and the driving wheel (16).

4. The integrated destroying and recycling device for confidential documents according to claim 1, wherein the shredded paper recycling and arranging structure comprises a second servo motor (21), the cavity walls of the two sides of the power cavity (18) are rotatably connected with a worm (19) through a bearing, one end of the worm (19) penetrates through the box wall and is coaxially welded with the output shaft of the second servo motor (21), the shell of the second servo motor (21) is welded on the outer wall of the case (1), one end of the worm (19), which is far away from the second servo motor (21), penetrates through the cavity wall and extends into the conveying cavity (28), the worm (19) is positioned in the conveying cavity (28), the inner part of the worm (19) is coaxially welded with a long shaft (20), the long shaft (20) is welded with an auger blade (29), and the sliding cavity (22) is internally and slidably connected with an extrusion block (23) and a sliding block (24), a connecting rod (25) is welded between the extrusion block (23) and the sliding block (24), a transmission rod (26) is connected to the sliding block (24) in a rotating mode through a pin shaft, worm wheels (27) are arranged on the inner cavity wall of the power cavity (18) in a rotating mode through the pin shaft, the worm wheels (27) are meshed with the worm (19), the eccentric position of each worm wheel (27) is connected with one end, far away from the sliding block (24), of the transmission rod (26) in a rotating mode through the pin shaft, a sprayer (32) is arranged in the cavity wall between the water storage cavity (31) and the conveying cavity (28), and a pressure control device is arranged at the position, penetrating through the box wall of the case (1), of the sliding.

5. The integrated destruction and recovery device for confidential documents according to claim 4, wherein the pressure control device comprises an electromagnet (34), the sliding cavity (22) penetrates through the outer wall of the cabinet (1) and is welded with a rotating seat (33), the rotating seat (33) is rotatably connected with a baffle (35) through a pin shaft, the electromagnet (34) is installed in the cabinet wall of the cabinet (1) close to the lower end of the baffle (35), a pressure sensor (36) is fixed on the cavity wall of the sliding cavity (22) close to the electromagnet (34), and the electromagnet (34) is communicated with the pressure sensor (36) through a circuit.

6. The integrated destruction and recovery device for confidential documents according to claim 2, wherein inner cavity plates (301) made of stainless steel are welded in the cavity walls on the two sides of the shredded paper cavity (3), each inner cavity plate (301) is provided with three arc grooves of one half circle, and the fine-tooth shredded paper wheel (7), the coarse-tooth shredded paper wheel (8) and the comb-strip shredded paper wheel (9) are arranged in the arc grooves of the inner cavity plates (301).

7. The integrated destruction and recovery device for confidential documents according to claim 4, wherein the sprayer (32) contains an inductor, and the second servo motor (21) is 80 ST-M03520.