CN112076864A - Multimedia medium destroyer - Google Patents

Abstract

The invention discloses a multimedia medium destroying machine which comprises a whole machine shell, wherein a double-stage crushing mechanism is arranged in the whole machine shell, is arranged in a crushing bin of the whole machine shell and comprises a crushing cutter and a rotor roller grinding assembly which are arranged up and down, the rotor roller grinding assembly can be arranged below the crushing cutter in a drawing mode, and a crushing bin door corresponding to the crushing bin is arranged on the front surface of the whole machine shell; the dust removal purification filter cylinder is arranged in a dust removal purification bin of the whole machine shell and comprises a negative pressure dust removal fan and a dust removal filter barrel, and a dust removal purification bin door corresponding to the dust removal purification filter cylinder is arranged on the left side surface of the whole machine shell. The whole body of the invention adopts a closed structure, the two-stage crushing mechanism realizes the complete destruction of media, the crushing efficiency is improved, the drawing type rotor roller grinding component is convenient to take and place and convenient to overhaul and maintain, and the built-in dust removal and purification filter cylinder can filter air, remove harmful substances and improve the environmental safety.

Description

A multimedia media destroyer

technical field

The invention relates to the technical field of medium destruction, in particular to a multimedia medium destruction machine.

Background technique

With the rapid development of electronic technology, there are also various information storage media, such as traditional computer hard disks, mobile hard disks, U disks, solid-state storage disks and other large-capacity storage media, and traditional soft storage devices such as optical disks, magnetic disks, and electronic negatives. The above-mentioned information storage medium, as a storage medium of a computer or an electronic device, contains a large number of state secrets and corporate secrets, and must be destroyed safely after being discarded to prevent the leakage of secrets. The traditional way of destroying information storage media is to pulverize the electronic storage media according to their material composition. For example, for computer hard disks, mobile hard disks, solid-state storage disks and other storage media containing hard metal shells, corresponding destruction processing is carried out.

Chinese utility model patent CN206334738U discloses a waste hard disk crusher, which includes a rack box, a deceleration motor inside the box, a blade for crushing and a crushed material collection box. However, in this technical solution, the geared motor and the blade are fixed. Because the blade is worn out over time, it needs to be repaired and replaced at intervals. However, in this technical solution, the blade is inconvenient to disassemble and repair, and the smashing is not complete. It will not smash important memory chips and other issues.

In view of this, there is an urgent need to improve the structure of the existing media destruction machine, in order to achieve safe destruction, improve the smashing efficiency, and not produce harmful substances. can never be restored.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is that the current medium destruction device cannot realize the safe destruction of the information carrier, and the destruction residues leave hidden dangers and produce harmful substances.

In order to solve the above technical problems, the technical solution adopted in the present invention is to provide a multimedia medium destroying machine, which includes a complete machine casing, and the complete machine casing is provided with,

The two-stage crushing mechanism is arranged in the medium crushing bin of the whole machine shell, and includes a crushing tool and a rotor drum grinding assembly arranged up and down. The rotor drum grinding assembly can be drawn under the crushing tool. The front side of the whole machine casing is provided with a crushing bin door corresponding to the crushing bin;

The dust removal and purification filter cartridge is arranged in the dust removal and purification bin of the whole machine shell, and includes a negative pressure dust removal fan and a dust removal filter barrel. Dust and purify the warehouse door.

In the above solution, the outer side of the crushing tool is provided with a closed primary crushing bin, the primary crushing bin is fixed by screws, and the outer side of the rotor drum grinding assembly is provided with a closed secondary crushing bin. The crushing bin includes a bin body, and a handle arranged on the outer side of the bin for easy pushing and pulling by human hands.

In the above scheme, the inner wall of the medium crushing bin is provided with chutes on both sides, the bottom of the rotor drum grinding assembly is provided with U-shaped fixing bars on both sides, and the openings at the outer ends of the U-shaped fixing bars are provided. There is a baffle plate at the place, the U-shaped fixing strip is provided with a slide rail adapted to the chute, and the configuration of the chute, the slide rail and the baffle is:

Push the rotor drum grinding assembly inward, the slide rail slides inward along the chute, the rotor drum grinding assembly enters the secondary crushing bin, and the blocking piece abuts against the front end of the chute , fixed by detachable screws.

In the above solution, a filter screen is provided below the discharge port of the rotor drum grinding assembly, and a filter screen support is provided at the bottom of the rotor drum grinding assembly, and the filter screen is placed in the filter screen support, It is fixed at the outlet of the rotor drum grinding assembly by tightening screws.

In the above solution, the top of the shell of the whole machine is provided with a feeding bin communicating with the medium crushing bin, the top of the feeding bin is provided with a feeding bin cover, and the open end of the feeding bin cover passes through. The lid lock is fixed.

In the above solution, a motor rotation direction inspection port is provided on the right side of the complete machine casing, a rotation button is provided inside, and a protection cover plate is provided at the motor rotation direction inspection port.

In the above solution, the rotor drum grinding assembly includes a rotor cutter, and a stator cutter arranged on both sides of the rotor cutter, the bottom of the stator cutter is provided with a positioning plate, and the stator cutter is fixed on the rotor through the positioning plate. Both sides of the bottom of the barrel grinding assembly.

In the above solution, the secondary crushing bin is provided with a support shaft for installing the rotor cutter, the rotor cutter is sleeved on the support shaft, the support shaft is provided with a square key, and the rotor cutter is inside. A keyway adapted to the square key is provided, and the outer end is fixed with the outer wall of the secondary crushing bin through a fixing flange.

In the above solution, a debris collection box is arranged below the rotor drum grinding assembly, the filter screen is placed in the debris collection box, and two sides of the top of the debris collection box are provided for detecting whether the debris is not. The cleaned tailings detect a photoelectric sensor, and a collection bag is fixed under the scrap collection box.

In the above solution, an operation panel is also provided on the casing of the whole machine, and the operation panel is provided with a power switch, an emergency stop switch, a power indicator light, a start button, a stop button, a reverse button, and a door open/full material indication. light, stuck indicator and stop feed indicator.

Compared with the prior art, the present invention includes a complete machine casing, and the integral casing is provided with a two-stage pulverizing mechanism disposed in the pulverizing bin of the complete machine shell, and a dust removal and purification bin disposed in the complete machine shell. Dust removal and purification filter cartridge, the two-stage crushing mechanism includes a crushing tool and a rotor drum grinding assembly arranged up and down. The rotor drum grinding assembly can be pulled and set under the crushing tool. The front of the whole machine shell is provided with a crushing bin corresponding to the crushing bin. The door, the dust removal and purification filter cartridge includes a negative pressure dust removal fan and a dust removal filter barrel. The whole adopts a closed structure, and the two-stage crushing mechanism realizes the complete destruction of the medium and improves the crushing efficiency. Environmental safety.

Description of drawings

Fig. 1 is the structural representation of the multimedia medium destruction machine in the present invention;

Fig. 2 is the internal structure schematic diagram of the multimedia medium destruction machine in the present invention;

3 is a schematic structural diagram of the pull-out of the rotor drum grinding assembly in the present invention;

4 is a schematic diagram of the rotor cutter installation structure in the present invention;

Fig. 5 is the structural representation of nail cutter installation in the present invention;

Fig. 6 is the side view of rotor cutter and stator cutter in the present invention;

FIG. 7 is a partial enlarged schematic view of the part A in FIG. 2 in the present invention.

Detailed ways

The invention provides a multimedia medium destruction machine, which is convenient for realizing safe destruction, improves the smashing efficiency, and does not generate harmful substances. The information carrier destroys residues without leaving hidden dangers, ensuring that information can never be restored. The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments of the description.

As shown in FIG. 1 , the multimedia media destruction machine provided by the present invention includes a complete machine casing 100, and the complete machine casing 100 is provided with:

The two-stage crushing mechanism is arranged in the crushing bin of the whole machine casing 100, and the crushing tool 300 and the rotor drum grinding assembly 400 are arranged up and down. The front of 100 is provided with a crushing bin door 120 corresponding to the crushing bin;

The dust removal and purification filter cartridge 500 is arranged in the dust removal and purification bin of the whole machine casing 100, and includes a negative pressure dust removal fan and a dust removal filter bucket. Barn door 510.

A handle switch 150 is provided on the outside of the smashing bin door 120 and the dust removal and purification bin door 510, and a lock tongue 140 is arranged on the inside. There is also a fan blade air outlet 502 on the crushing bin door.

The shell of the present invention adopts a fully enclosed structure as a whole, and the interior is divided into a crushing bin and a dust removal and purification bin, and the interior of the crushing bin is designed with two-stage high-efficiency crushing. The high-speed turbine rotating cutter body can be used as the primary crushing cutter group to crush the material into 10x8-15mm particles, and then fall into the uniquely designed drum cutter group to grind and screen into fine powder with a diameter of less than 0.2mm using a metal screen to achieve safe destruction. The information carrier destroys residues without leaving hidden dangers, ensuring that the information can never be restored. The fully enclosed overall design, combined with the advanced dust removal and purification system built into the dust removal and purification chamber, filters the air through the purification filter element that comes with the dust removal filter cartridge, removes harmful substances, and makes the working environment fully meet the office standards. It is maintenance free, durable and low cost. The operation is simple and easy to use, just press the button to start, and the crushing is completed and the machine stops automatically. The pull-out slide-type drum grinding knife group has the advantages of convenient pick and place and easy maintenance.

The high-speed turbine rotation grinding and cutting method is adopted, and a large amount of debris and dust will be generated during the crushing process. In order to prevent the inside of the machine from being polluted by dust and maintain a clean and tidy working environment, an internal independent vacuum dust removal system is designed, which can effectively remove the crushing The dust pollution generated in the process, the dust removed by the vacuum airflow is collected in the HPEA filter element of the dust filter. When the filter element is full of dust, the indicator light above the dust filter will light up to alarm. At this time, the filter element needs to be cleaned or replaced immediately. .

As shown in FIG. 2 and FIG. 3 , the outer side of the crushing tool 300 is provided with a closed primary crushing chamber, and the primary crushing chamber is fixed by screws. The outer side of the rotor drum grinding assembly 400 is provided with a closed secondary crushing chamber. The silo includes a silo body, and an out-of-city purification filter cartridge 401 which is arranged on the outer side of the silo and is easy to be pushed and pulled by hand.

The two sides of the inner wall of the medium crushing bin 110 are provided with chute 410, the bottom of the rotor drum grinding assembly 400 is provided with U-shaped fixing bars 430 on both sides respectively, and the opening of the outer end of the U-shaped fixing bar 430 is provided with a baffle plate, The U-shaped fixing bar 430 is provided with a sliding rail 420 adapted to the sliding groove 410. The configuration of the sliding groove 410, the sliding rail 420 and the blocking plate is as follows:

The rotor drum grinding assembly 400 is pushed inward, the slide rail 420 slides inward along the chute 410, the rotor drum grinding assembly 400 enters the secondary crushing bin, and the blocking piece abuts against the front end of the chute 410 and is fixed by detachable screws.

A filter screen 441 is arranged below the discharge port of the rotor drum grinding assembly 400, and a filter screen bracket 440 is arranged at the bottom of the rotor drum grinding assembly 400. The filter screen 441 is placed in the filter screen bracket 440, and is fixed on the At the outlet of the rotor drum grinding assembly 400 .

As shown in FIG. 1 , the top of the casing 100 of the whole machine is provided with a feeding bin 200 that communicates with the medium pulverizing bin 110. The top of the feeding bin 200 is provided with a feeding bin cover 210, and the open end of the feeding bin cover passes through the bin. The cover lock is fixed, the feed bin cover 210 is provided with a feeding port 211 that communicates with the feeding bin 200 , and the crushing tool 300 is located below the feeding port 211 and communicates with the feeding port 211 .

The right side of the whole casing 100 is provided with a motor rotation direction inspection port, a rotation button is provided inside, and a protection cover plate is provided at the motor rotation direction inspection port; specifically:

(1) Loosen the four Phillips fastening screws on the protective cover on the right side of the device; remove the protective cover;

(2) Rotate the power switch 131 on the equipment operation panel 130 clockwise by 90 degrees to the "I" position, and the power is turned on;

(3) The yellow "power" indicator light on the operation panel 130 is on (if the power indicator light 133 is not on, it means that the power supply is not connected);

(4) Press the green "start" key on the operation panel 130 to start the device;

(5) Observe whether the rotation direction of the cutting tool is clockwise from the position where the protective cover is removed from the right side of the equipment;

(6) If the rotation of the cutting tool is counterclockwise, it means that the phase lines of the power supply wires are connected in sequence;

(7) Turn off the power switch 131; disconnect the connected power supply;

(8) Reconnect the phase sequence of the three R-S-T live wires of the power supply.

As shown in FIG. 4 , FIG. 5 , and FIG. 6 , the rotor drum grinding assembly 400 includes a rotor cutter 450 arranged in the secondary crushing bin, and a stator cutter 470 arranged on both sides of the rotor cutter 450 . The bottom of the stator cutter 470 is provided with a rotor cutter 450 . There are positioning plates 471, and the stator cutter 470 is fixed on both sides of the bottom of the grinding and cutting assembly through the positioning plates 471.

There is a support shaft 460 in the secondary crushing bin, the rotor cutter 450 is sleeved on the support shaft 460, the support shaft 460 is provided with a square key 461, the rotor cutter 450 is provided with a key groove 451 adapted to the square key 461, and the outer end passes through The fixing flange 442 is fixed with the outer wall of the secondary crushing bin.

There is also a scrap collection box below the rotor drum grinding assembly 400, the filter screen 441 is placed at the entrance of the scrap collection box, and the top two sides of the scrap collection box are provided with tail material detection photoelectricity for detecting whether the scrap is clean. Sensor 443, a collection bag is fixed under the scrap collection box. In this embodiment, the crushed scraps are collected and screened by the scrap collection box, and the tailings detection photoelectric sensor 443 is used to detect the stock of internal scraps, with intelligent overload detection, so as to remind the operator to clean up in time. Specifically, a 35-liter large-capacity debris collection box can be built in to reduce cleaning cycles. When the debris collection box is full and the smashing bin door is opened, the machine automatically stops, and the red alarm indicator light prompts and other safety designs.

The whole machine casing 100 is also provided with an operation panel 130, and the operation panel 130 is provided with a power switch 131, a power switch 132, a power indicator light 133, a start button 134, a stop button 136, a reverse button 136, a door open/material full indication Light 137, stuck indicator light 138 and stop feeding indicator light 139, specifically:

As shown in Figure 7, the operation panel 130 is located at the left front end of the device, and the main buttons and functions are displayed as follows:

Power switch 131: Rotate the switch 90 degrees clockwise to the "I" position, and the power is turned on. Turn the switch counterclockwise to the "O" position to cut off the power.

Power switch 132: In an emergency, press the red button of the power switch 132, and the crushing motor and the eddy current motor of the equipment will stop running at the same time. Releasing the power switch 132 requires the use of a dedicated key. Take out the supplied black key and insert it into the lock hole of the power switch 132, turn the key, and the red button of the power switch 132 will pop up.

Power indicator light 133: When the power switch 131 is rotated to the "I" position, the power is turned on, and the yellow power indicator light 133 lights up at the same time.

Start button 134: Turn on the power, after the yellow power indicator 133 lights up, press the green "start" button, and the drive motor of the crushing bin and the turbine airflow motor of the equipment start to run at the same time.

Stop button 135: During the operation of the equipment, press the red "stop" button, the equipment stops running, and the dust removal system automatically stops after 30 seconds.

Reverse button 136: After the stuck stop alarm occurs during the crushing process, press and hold the green "backward" button, the cutting tool will reverse and the stuck material in the crushing bin will be ejected.

Door open/material full indicator light 137: When the feeding bin cover 610, the crushing bin door 400 or the dust removal and purification bin door 510 of the equipment are opened, and the red indicator light is on, the device will automatically stop. When the red light is on, it indicates that the debris collection box is full of debris and needs to be cleaned.

Stuck indicator light 138: In the process of shredding, the machine will be stuck and stopped, and the red indicator light will turn on the alarm prompt at the same time.

Stop feeding indicator light 139: When the red indicator light is on, it means that the crushed and destroyed materials put into the crushing bin have reached a saturated state. At this time, no more materials can be put into the crushing bin, so as to avoid overloading and stalling of the equipment. When the red indicator light goes out, the material to be crushed can be continuously put into the crushing bin again.

Preferably, the four corners of the bottom of the overall housing are respectively provided with locking wheels, and the sliding locking wheels are provided with brake assemblies. The stop wheel is immovable, which realizes the safe placement of the equipment, is easy to move, and will not move when in use.

The crushing medium of the present invention is: CD, DVDs, BL-DVDs and other optical storage discs, USB memory, SSD solid state hard disk, CF, SD, TF, MS, M2, MMC and other memory cards, IC, ID and other magnetic cards, smart phones , SDRAM, DDRSDRAM, RDRAM memory, integrated circuit chips, PCB circuit boards.

Under the working method of the present invention:

1. The power switch 131 is rotated 90 degrees clockwise to "I", the power is turned on, and the yellow power indicator 133 lights up at the same time;

2. Press the green start button 134, the drive motor of the crushing bin of the whole machine shell 100 and the negative pressure dust removal fan start to run at the same time, and the required crushed materials are put into the crushing bin from the feeding port 211 for crushing; When working, according to the prompt of the stop feeding indicator 139, a corresponding amount of material can be put in to carry out continuous crushing work. Avoid continuous input of too many materials, causing the equipment to be overloaded and stuck.

3. After completing the crushing and destruction of all materials, wait for 30 seconds, press the red "stop" button, the equipment stops running and enters the standby state, and the negative pressure dust removal fan continues to run for 30 seconds and then automatically stops;

4. If the device will not be used for a long time, turn the power switch 131 on the left side of the device operation panel 130 from the "I" position 90 degrees counterclockwise to the "O" position to cut off the power.

Please turn off the equipment after 30 seconds of no-load operation after crushing to avoid residual materials remaining in the crushing bin!

In an emergency, press the power switch 132 on the left side of the operation panel 130, and the device will stop working. After the switch is turned counterclockwise, it will automatically pop up, and the device will return to the normal standby state.

5. Overload jam occurs during the crushing process of the equipment:

During the crushing process of the equipment, it suddenly stops running, and automatically starts the reversing program and then stops automatically. The red "stuck" fault indicator and the "stop feeding" indicator light at the same time as an alarm prompt, at this time the equipment has an overload and stuck fault. , The stuck failure is usually caused by too much material put into the primary crushing bin, causing the primary crushing bin to be blocked, causing the main drive motor to be overloaded and shut down. The specific solutions are:

(1) Clean the primary crushing bin:

Turn off the device power switch 131 to cut off the power supply.

Use the metal key provided with the machine to open the lock of the protective cover of the crushing chamber, and flip the protective cover back.

Remove the uncrushed materials in the crushing bin and cutting tools.

Close the shredding compartment cover and lock it with the key.

(2) Clean up the first-level crushing silo:

The device power switch 131 is turned off to cut off the power supply.

Open the door of the smashing bin, loosen the hand screw of the protective cover of the smashing bin, and pull the protective cover to the outside.

Remove material debris from the unloading bin and cutting tools.

Close the protective cover of the unloading bin and lock it with the screws by hand.

Close the shredder cabinet door and restart the process equipment again.

6. Automatic induction alarm when the scrap material is full:

During the operation and crushing of the equipment, when the red "door open/full" indicator lights up, it indicates that the tailings in the debris collection bag are full, and the debris collection bag needs to be cleaned and replaced.

The specific steps to replace the debris collection bag are:

(1) When the red "door open/full" indicator light is on, the equipment will automatically stop;

(2) Open the door of the crushing bin at the right front of the equipment, pull out the debris collection box, take out the plastic bag full of debris, and then replace it with a new debris collection bag.

(3) Close the door of the crushing bin, restart the equipment, and continue the crushing work.

7. Cleaning of dust filter

(1) Rotate the power switch 131 on the left side of the device operation panel 130 90 degrees clockwise from the "O" position to the "I" position, and turn on the power. The yellow power indicator 133 lights up at the same time.

(2) Press the green "start" button, the drive motor of the crushing bin and the negative pressure dust removal fan of the equipment will start running at the same time.

(3) Open the dust removal and purification compartment door and check whether the indicator light above the filter is on.

(4) Turn off the device power switch 131 to cut off the power supply.

(5) Open the left dust removal and purification compartment door and take out the dust removal filter.

(6) Holding the handle of the filter upper cover, lift the upper cover with the HPEA filter element upwards from the filter cartridge.

(7) Remove the two screws used to fix the filter element on the upper cover of the filter.

(8) Remove the HPEA filter element from the filter upper cover.

(9) Put the filter element into the plastic bag, tie the plastic bag tightly, tap the filter element with your hand or tap the filter element in the plastic bag to the ground repeatedly 3-4 times to remove the dust from the filter element.

(10) Repeat the above actions until it is visually observed that the filter element has been cleaned and no dust particles are attached to the filter cotton of the filter element.

(11) Reinstall the HPEA filter element into the filter upper cover and fasten it with screws.

(12) After cleaning the dust and impurities in the filter cartridge, put the upper cover with the HPEA filter element back into the filter cartridge.

(13) Put the dust removal filter after cleaning or replacing the HPEA filter element back into the dust removal and purification bin of the equipment.

(14) Close the dust removal and purification compartment door and restart the equipment.

Compared with the prior art, the present invention includes a complete machine casing, and the integral casing is provided with a two-stage pulverizing mechanism disposed in the pulverizing bin of the complete machine shell, and a dust removal and purification bin disposed in the complete machine shell. Dust removal and purification filter cartridge, the two-stage crushing mechanism includes a crushing tool and a rotor drum grinding assembly arranged up and down. The rotor drum grinding assembly can be pulled and set under the crushing tool. The front of the whole machine shell is provided with a crushing bin corresponding to the crushing bin. The door, the dust removal and purification filter cartridge includes a negative pressure dust removal fan and a dust removal filter barrel. The whole adopts a closed structure, and the two-stage crushing mechanism realizes the complete destruction of the medium and improves the crushing efficiency. Environmental safety.

The present invention is not limited to the above-mentioned best embodiment. Anyone should be aware of the structural changes made under the inspiration of the present invention, and any technical solutions that are the same or similar to those of the present invention shall fall within the protection scope of the present invention. Inside.

Claims (10)

1. The utility model provides a multimedia medium destroyer, includes complete machine casing, its characterized in that, be equipped with in the complete machine casing:

the double-stage crushing mechanism is arranged in a medium crushing bin of the whole machine shell and comprises a crushing cutter and a rotor roller grinding assembly which are arranged up and down, the rotor roller grinding assembly is arranged below the crushing cutter in a drawing mode, and a crushing bin door corresponding to the crushing bin is arranged on the front face of the whole machine shell;

the dust removal purification filter cylinder is arranged in a dust removal purification bin of the whole machine shell and comprises a negative pressure dust removal fan and a dust removal filter barrel, and a dust removal purification bin door corresponding to the dust removal purification filter cylinder is arranged on the left side surface of the whole machine shell.

2. The multimedia medium destroying machine according to claim 1, wherein a closed primary crushing bin is arranged outside the crushing cutter, the primary crushing bin is fixed by screws, a closed secondary crushing bin is arranged outside the rotor drum grinding assembly, the secondary crushing bin comprises a bin body, and a handle is arranged outside the bin body and is convenient for being pushed and pulled by hands.

3. The multimedia medium destroying machine according to claim 2, wherein sliding chutes are formed on two sides of the inner wall of the medium crushing bin, U-shaped fixing strips are respectively formed on two sides of the bottom of the rotor drum grinding assembly, blocking pieces are arranged at openings of the outer ends of the U-shaped fixing strips, sliding rails matched with the sliding chutes are arranged in the U-shaped fixing strips, and the sliding chutes, the sliding rails and the blocking pieces are configured as follows:

the rotor roller grinding assembly is pushed inwards, the sliding rail slides inwards along the sliding groove, the rotor roller grinding assembly enters the secondary crushing bin, and the blocking piece abuts against the front end of the sliding groove and is fixed through a detachable screw.

4. The multimedia media destruction machine of claim 1, wherein a filter screen is disposed under the discharge port of the rotor drum grinding assembly, a filter screen support is disposed at the bottom of the rotor drum grinding assembly, and the filter screen is disposed in the filter screen support and fixed at the discharge port of the rotor drum grinding assembly by fastening screws.

5. The multimedia medium destroying machine according to claim 1, wherein a feeding bin communicated with the medium crushing bin is arranged at the top of the whole machine shell, a feeding bin cover is arranged at the top of the feeding bin, and the opening end of the feeding bin cover is fixed through a bin cover lock.

6. The multimedia medium destroying machine according to claim 1, wherein a motor rotation direction inspection opening is formed at the right side of the whole machine casing, a rotating button is arranged inside the machine casing, and a protective cover plate is arranged at the motor rotation direction inspection opening.

7. The multimedia media destruction machine according to claim 2, characterized in that the rotor drum grinder assembly comprises rotor cutters, and stator cutters are arranged on both sides of the rotor cutters, and positioning plates are arranged on the bottom of the stator cutters, and the stator cutters are fixed on both sides of the bottom of the rotor drum grinder assembly through the positioning plates.

8. The multimedia medium destroying machine according to claim 7, wherein a supporting shaft for mounting the rotor cutter is arranged in the secondary crushing bin, the rotor cutter is sleeved on the supporting shaft, a square key is arranged on the supporting shaft, a key groove matched with the square key is arranged in the rotor cutter, and the outer end of the key groove is fixed with the outer wall of the secondary crushing bin through a fixing flange.

9. The multimedia media destruction machine of claim 4, wherein a scrap collecting box is arranged below the rotor drum grinding assembly, the filter screen is arranged in the scrap collecting box, tailings detection photoelectric sensors for detecting whether the scraps are cleaned up are arranged on two sides of the top of the scrap collecting box, and a collecting bag is fixedly arranged below the scrap collecting box.

10. The multimedia medium destroying machine according to claim 1, wherein an operation panel is further disposed on the complete machine housing, and a power switch, an emergency stop switch, a power indicator, a start button, a stop button, a reverse button, a door open/full indicator, a jam indicator, and a stop feed indicator are disposed on the operation panel.

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