CN115090359A

CN115090359A - File smashing device and operation method

Info

Publication number: CN115090359A
Application number: CN202210668472.9A
Authority: CN
Inventors: 柯凯翔
Original assignee: Guangdong Xirong Culture Technology Co ltd
Current assignee: Guangdong Xirong Culture Technology Co ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-23

Abstract

The invention relates to the technical field of office equipment and discloses a file crushing device and an operation method thereof, wherein the file crushing device comprises a case, the top of the case is provided with a frame body, an opening is communicated between the case and the frame body, and a crushing groove is formed in the case; according to the invention, through the use of the push plate in the frame body and the second transmission mechanism, the document placed on the transmission belt between the two conveying wheels in the frame body can be pushed, and through the use of the sensing mechanism, the purposes of automatic feeding and automatic feeding stop can be realized, the process of waiting for the crushing work of a worker is not needed, the time spent by the worker is reduced, the second rotating rod rotates, the two sliding blocks are driven to slide in the sliding seat in a reciprocating manner under the action of the first transmission mechanism, so that the cutting piece of the cutting seat performs secondary cutting on the dropped paper slip into sections, the paper slip is crushed more thoroughly, the safety is higher, and the possibility of document recovery is prevented.

Description

File smashing device and operation method

Technical Field

The invention relates to the technical field of office equipment, in particular to a file crushing device and an operation method.

Background

In order to ensure the secrecy of the document contents, the redundant documents are generally required to be destroyed after being filed, a document crushing device is available on the market at present, the document crushing device is a paper shredder and consists of a group of rotating blades, a paper comb and a driving motor, paper is fed from the middle of the blades which are mutually meshed and is divided into a plurality of fine paper strips, the purpose of crushing documents is achieved, but the existing document crushing device has a plurality of problems when in use, the existing document crushing device is generally provided with a long opening in a document part, the document is inserted into the document crushing device through the opening to be crushed, the document crushing device can only insert one document at a time to be crushed due to the close distance between the crushing blades in the document part, the function of automatically inserting the document into the document to be crushed cannot be achieved, and a person is required to wait for one document to be crushed and then crush another document, the conventional file smashing device can only smash files into strips, but is a secondary smashing mechanism, and the strips of files can have a certain anti-recovery function, but can be spliced together if the files are recovered with a certain degree of mind, so that the content of the files is easy to leak, and the safety cannot be guaranteed.

Disclosure of Invention

The invention aims to provide a file crushing device and an operation method, which have the advantages of automatic feeding and high safety and solve the problems of complicated feeding operation and low safety of the existing file crushing device.

In order to achieve the purpose, the invention provides the following technical scheme: a file crushing device comprises a case, wherein a frame body is installed at the top of the case, an opening is communicated between the case and the frame body, a crushing groove is formed in the case, a first mounting groove and a second mounting groove are respectively formed in the case, a crushing mechanism is arranged in the crushing groove, the interiors of the first mounting groove and the second mounting groove are respectively connected with a second rotating rod through a bearing in a rotating manner, a first transmission mechanism is respectively arranged in the interiors of the first mounting groove and the second mounting groove, sliding seats are respectively communicated between the first mounting groove and the crushing groove and between the second mounting groove and the crushing groove, sliding blocks are respectively connected in the two sliding seats in a sliding manner, a cutting seat and a cutting piece are respectively installed on one side opposite to the two sliding blocks, a third rotating rod is connected in the case through a bearing in a rotating manner, and the number of the third rotating rods is two, two the delivery wheel has all been cup jointed fixedly on the surface of third dwang, two connect through drive belt transmission between the delivery wheel, the inside of framework is provided with the push pedal, the front and the back of push pedal all are bolted connection to have the connecting block, the front and the back of framework all set up with connecting block sliding connection's sliding tray, the front and the back of framework all are provided with second drive mechanism, the master controller is installed to one side of framework, step motor is installed to one side of machine case, the inside of framework is provided with sensing mechanism.

Preferably, the crushing mechanism comprises two first rotating rods, the two ends of each first rotating rod are rotatably connected with the case through bearings, and the surfaces of the two first rotating rods are fixedly sleeved with the crushing wheels which are matched for use.

Preferably, first drive mechanism includes the special-shaped wheel, the fixed surface cup joints of center department and the second dwang of special-shaped wheel, the slip fluting has all been seted up at the front and the back of special-shaped wheel, the sliding block is close to one side bolt joint of special-shaped wheel and slip fluting sliding connection's sliding connection seat.

Preferably, the storage groove has been seted up to one side of quick-witted case, storage groove and crushing groove intercommunication, the inside in storage groove is provided with the receiver, the slider is all installed at the front and the back of receiver, the inside in storage groove is seted up with the spout that the slider cooperation was used.

Preferably, the second transmission mechanism comprises a first servo motor, the output end of the first servo motor is connected with a screw rod in a bolted mode through a coupler, the surface of the screw rod is connected with the center of the connecting block in a threaded mode, the other end of the screw rod is connected with a limiting block in a bolted mode with the frame body in a rotating mode through a bearing, and the first servo motor is fixedly installed on the frame body through a fixing piece.

Preferably, the sensing mechanism comprises a pressure sensor, the pressure sensor is embedded in the frame body, the inside of the frame body is rotatably connected with a sensing plate through a shaft rod, and a sensing elastic sheet is hinged between the sensing plate and the pressure sensor through a hinge.

Preferably, one end of each of the two first rotating rods penetrates through the outside of the chassis and is fixedly sleeved with a gear, and the two gears are meshed with each other.

Preferably, the output end of the stepping motor is fixedly sleeved with a first rotating wheel, the front face of the case is provided with a second rotating wheel which is connected with the first rotating wheel through a belt in a transmission manner, and the second rotating wheel is fixedly sleeved with the first rotating rod.

Preferably, two the one end of second dwang all runs through to the outside of quick-witted case and is fixed respectively to cup jointed the third and rotates wheel and fourth and rotate the wheel, the third rotates and is connected through belt transmission between wheel and the fourth rotation wheel, first rotation wheel and third rotate and are connected through belt transmission between the wheel.

The invention is realized by the following steps:

step 1: the working personnel neaten all the files to be crushed and vertically place the files into the frame body together, and all the files are positioned on a transmission belt between two conveying wheels in the frame body;

and 2, step: the working personnel control the first servo motor to start through the master controller, the first servo motor drives the screw rod to rotate, the screw rod drives the connecting blocks to move slowly under the action of the sliding grooves, the two connecting blocks drive the push plates to move slowly, so that the placed files are pushed to move on the transmission belt between the two conveying wheels, and when one file is positioned above the opening between the case and the frame body, the file falls into the crushing groove in the case through the opening by the gravity of the file;

and 3, step 3: when a file falls into the crushing groove, the file touches the sensing mechanism, the file applies a certain pressure to the sensing plate, the sensing plate applies a pressure to the pressure sensor under the action of the sensing elastic sheet, the pressure sensor senses the pressure and sends a numerical value to the inside of the master controller, the master controller controls the first servo motor to stop working, and therefore the purpose that the file is not conveyed any more is achieved, and the master controller controls the stepping motor to work;

and 4, step 4: when the stepping motor works, the first rotating wheel rotates, the first rotating wheel drives the second rotating wheel and the third rotating wheel to rotate, the third rotating wheel drives the fourth rotating wheel to rotate, so that when the second rotating wheel rotates, the second rotating wheel is matched with the two gears to use, a file conveyed into the crushing groove can be crushed for the first time, the file is crushed into strip-shaped paper sheets, the strip-shaped paper sheets drop downwards, the fourth rotating wheel and the third rotating wheel rotate together to drive the second rotating wheel to rotate, so that the two special-shaped wheels rotate, the two sliding blocks are driven to slide in the sliding seat in a reciprocating mode under the action of the sliding groove and the sliding connecting seat, the cutting seat cutting sheet is used for cutting the dropped paper sheets into sections for the second time, the paper sheets are crushed more thoroughly, and the safety is higher;

and 5: the file after smashing falls into and receives the groove to make things convenient for the processing of follow-up personnel to the shredded paper, when pressure sensor no longer experienced pressure, the first servo motor of total controller control continued the motion, thereby carries out the pay-off next time, reaches the purpose that need not the staff to place the file repeatedly, the staff only need with whole file put into the framework can, need not to wait for crushing process.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, through the use of the push plate in the frame body and the second transmission mechanism, the files on the transmission belt between the two conveying wheels in the frame body can be pushed, and through the use of the sensing mechanism, the purposes of automatic feeding and automatic stopping of feeding can be realized, a worker does not need to wait for the crushing process, and the time spent by the worker is reduced;

according to the paper strip cutting mechanism, the second rotating rod rotates, the two sliding blocks are driven to slide in a reciprocating manner in the sliding seat under the action of the first transmission mechanism, so that the cutting sheet of the cutting seat can cut the falling paper strips into sections for the second time, the paper strips are crushed more thoroughly, the safety is higher, and the possibility of file recovery is prevented.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of the area A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the invention at B of FIG. 2;

FIG. 5 is a partial schematic view of the present invention;

fig. 6 is a partial structural sectional view of the present invention.

In the figure: 1. a chassis; 2. a frame body; 3. a crushing tank; 4. a first mounting groove; 5. a second mounting groove; 6. a crushing mechanism; 61. a first rotating lever; 62. a grinding wheel; 7. a second rotating lever; 8. a first transmission mechanism; 81. a special-shaped wheel; 82. sliding and slotting; 83. a sliding connection seat; 9. a sliding seat; 10. a slider; 11. a cutting seat; 12. cutting the slices; 13. a third rotating rod; 14. a fourth rotating wheel; 15. a delivery wheel; 16. pushing the plate; 17. connecting blocks; 18. a sliding groove; 19. a second transmission mechanism; 191. a first servo motor; 192. a screw rod; 20. a master controller; 21. a stepping motor; 22. a sensing mechanism; 221. a pressure sensor; 222. an induction plate; 223. a sensing elastic sheet; 23. a storage groove; 24. a storage box; 25. a slider; 26. a chute; 27. a gear; 28. a first rotating wheel; 29. a second rotating wheel; 30. and a third rotating wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2, 3, 4, 5 and 6, a document crushing device comprises a case 1, a frame 2 is installed on the top of the case 1, an opening is communicated between the case 1 and the frame 2, a crushing groove 3 is formed in the case 1, a first installation groove 4 and a second installation groove 5 are respectively formed in the case 1, a crushing mechanism 6 is arranged in the crushing groove 3, a second rotating rod 7 is rotatably connected to the first installation groove 4 and the second installation groove 5 through bearings, a first transmission mechanism 8 is respectively arranged in the first installation groove 4 and the second installation groove 5, sliding seats 9 are communicated between the first installation groove 4 and the crushing groove 3, sliding blocks 10 are respectively connected to the insides of the two sliding seats 9, and a cutting seat 11 and a cutting blade 12 are respectively installed on one side opposite to the two sliding blocks 10, the inside of the frame body 2 is rotatably connected with third rotating rods 13 through bearings, the number of the third rotating rods 13 is two, the surfaces of the two third rotating rods 13 are fixedly sleeved with conveying wheels 15, the two conveying wheels 15 are connected through a transmission belt, a push plate 16 is arranged inside the frame body 2, the front surface and the back surface of the push plate 16 are respectively bolted with a connecting block 17, the front surface and the back surface of the frame body 2 are respectively provided with a sliding groove 18 which is in sliding connection with the connecting block 17, the front surface and the back surface of the frame body 2 are respectively provided with a second transmission mechanism 19, one side of the frame body 2 is provided with a master controller 20, one side of the case 1 is provided with a stepping motor 21, the inside of the frame body 2 is provided with a sensing mechanism 22, through the cooperation of the push plate 16 inside the frame body 2 and the second transmission mechanism 19, a file placed on the transmission belt between the two conveying wheels 15 inside the frame body 2 can be pushed, and the cooperation of the sensing mechanism 22 is used, can realize the purpose of automatic feeding and automatic stop material loading, need not the process that the staff waited for its shredding work, reduce the time that the staff spent, rotate through second dwang 7, drive two sliding blocks 10 at the inside reciprocal slip of sliding seat 9 under first drive mechanism 8's effect, make 11 cutting pieces 12 of cutting seat carry out the secondary to the note that drops and cut into the section, make its kibbling more thorough, the security is higher, prevent the possibility that the file resumes.

In this embodiment, rubbing crusher constructs 6 including first dwang 61, and the quantity of first dwang 61 is two, and the both ends of first dwang 61 all rotate with quick-witted case 1 through the bearing and are connected, and the equal fixed crushing wheel 62 that has cup jointed in surface of two first dwang 61, and two crushing wheels 62 cooperate and use, through first dwang 61 and the setting of crushing wheel 62, smash the file for the first time.

In this embodiment, the first transmission mechanism 8 includes the special-shaped wheel 81, the center of the special-shaped wheel 81 is fixedly sleeved with the surface of the second rotating rod 7, the front and the back of the special-shaped wheel 81 are both provided with the sliding grooves 82, one side of the sliding block 10 close to the special-shaped wheel 81 is bolted with the sliding connection seat 83 slidably connected with the sliding grooves 82, and the sliding block 10 is conveniently driven to perform reciprocating displacement through the arrangement of the special-shaped wheel 81, the sliding grooves 82 and the sliding connection seat 83.

In this embodiment, one side of machine case 1 has been seted up and has been accomodate groove 23, accomodate groove 23 and crushing groove 3 intercommunication, and the inside of accomodating groove 23 is provided with receiver 24, and slider 25 is all installed at receiver 24's front and back, and the inside of accomodating groove 23 is seted up with slider 25 cooperation spout 26 that uses, sets up through accomodating groove 23, receiver 24, slider 25 and spout 26, conveniently accomodates the file after smashing.

In this embodiment, the second transmission mechanism 19 includes the first servo motor 191, the output end of the first servo motor 191 is bolted with the lead screw 192 through the shaft coupling, the surface of the lead screw 192 and the center of the connecting block 17 are in threaded connection, and the other end of the lead screw 192 is rotatably connected with the limiting block bolted with the frame body 2 through the bearing, the first servo motor 191 is fixedly installed on the frame body 2 through the fixing part, and the connecting block 17 is conveniently driven to move through the arrangement of the first servo motor 191 and the lead screw 192.

In this embodiment, sensing mechanism 22 includes pressure sensor 221, and pressure sensor 221 is embedded in the inside of framework 2, and the inside of framework 2 is connected with tablet 222 through the axostylus axostyle rotation, and it has sensing shell fragment 223 to articulate through the articulated piece between tablet 222 and the pressure sensor 221, through pressure sensor 221, tablet 222 and the setting of sensing shell fragment 223, whether convenient control first servo motor 191 works.

In this embodiment, one end of each of the two first rotating rods 61 penetrates through the outside of the chassis 1 and is fixedly sleeved with the gear 27, the two gears 27 are engaged with each other, and the two first rotating rods 61 are conveniently rotated in opposite directions through the arrangement of the gears 27.

In this embodiment, the output end of the stepping motor 21 is fixedly sleeved with the first rotating wheel 28, the front surface of the chassis 1 is provided with the second rotating wheel 29 which is connected with the first rotating wheel 28 through a belt in a transmission manner, and the second rotating wheel 29 is fixedly sleeved with the first rotating rod 61 and is arranged through the first rotating wheel 28 and the second rotating wheel 29, so that the stepping motor 21 can drive the first rotating rod 61 to rotate conveniently.

In this embodiment, the one end of two second dwang 7 all runs through to the outside of quick-witted case 1 and is fixed respectively to be cup jointed the third and rotate wheel 30 and fourth and rotate wheel 14, and the third rotates and is connected through belt drive between wheel 30 and the fourth rotation wheel 14, and first rotation wheel 28 rotates and is connected through belt drive between the wheel 30 with the third, rotates wheel 30 and fourth rotation wheel 14 setting through the third, makes things convenient for step motor 21 to drive second dwang 7 and rotates.

The invention is realized by the following steps:

step 1: the working personnel can arrange all the files to be crushed, vertically place the files into the frame body 2, and place all the files on a transmission belt between two conveying wheels 15 in the frame body 2;

step 2: the working personnel control the first servo motor 191 to start through the master controller 20, the first servo motor 191 drives the screw rod 192 to rotate, the screw rod 192 drives the connecting blocks 17 to move slowly under the action of the sliding grooves 18, the two connecting blocks 17 drive the push plate 16 to move slowly, so that the placed files are pushed to move on the transmission belt between the two conveying wheels 15, and when one file is positioned above the opening between the case 1 and the frame body 2, the file falls into the crushing groove 3 in the case 1 through the opening by the gravity of the file;

and step 3: when a file falls into the crushing groove 3, the file touches the sensing mechanism 22, the file applies a certain pressure to the sensing plate 222, the sensing plate 222 applies a pressure to the pressure sensor 221 under the action of the sensing elastic sheet 223, when the pressure sensor 221 senses the pressure, a numerical value is sent to the inside of the master controller 20, the master controller 20 controls the first servo motor 191 to stop working, so that the purpose of no longer conveying the file is achieved, and the master controller 20 controls the stepping motor 21 to work;

and 4, step 4: when the stepping motor 21 is operated, the first rotating wheel 28 rotates, the first rotating wheel 28 drives the second rotating wheel 29 and the third rotating wheel 30 to rotate, the third rotating wheel 30 drives the fourth rotating wheel 14 to rotate, so that, in cooperation with the use of the two gears 27 when the second rotating wheel 29 rotates, it is possible to perform a first pulverization of the document fed to the inside of the pulverization chamber 3, which crushes the document into strip-shaped paper pieces which fall downward, the fourth rotating wheel 14 and the third rotating wheel 30 rotate together to drive the second rotating rod 7 to rotate, so that the two profile wheels 81 rotate, two sliding blocks 10 are driven to slide in a reciprocating manner in the sliding seat 9 under the action of the sliding groove 82 and the sliding connection seat 83, so that the cutting blade 12 of the cutting seat 11 performs secondary cutting on the falling paper slip into sections, the paper slip is more thorough to crush, and the safety is higher.

And 5: the file after smashing falls, falls into and accomodates groove 23 to make things convenient for the processing of follow-up personnel to the shredded paper, when pressure sensor 221 no longer experienced pressure, total controller 20 controlled first servo motor 191 to continue the motion, thereby carry out the pay-off next time, reach the purpose that need not the staff to place the file repeatedly, the staff only need with all files put into framework 2 can, need not to wait for crushing process.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A file reducing mechanism, includes quick-witted case (1), its characterized in that: the cutting machine is characterized in that a frame body (2) is installed at the top of the machine case (1), an opening is communicated between the machine case (1) and the frame body (2), a crushing groove (3) is formed in the machine case (1), a first mounting groove (4) and a second mounting groove (5) are formed in the machine case (1) respectively, a crushing mechanism (6) is arranged in the crushing groove (3), second rotating rods (7) are rotatably connected to the interiors of the first mounting groove (4) and the second mounting groove (5) through bearings respectively, a first transmission mechanism (8) is arranged in each of the first mounting groove (4) and the second mounting groove (5) and the crushing groove (3) respectively, sliding seats (9) are communicated between the interiors of the two sliding seats (9), sliding blocks (10) are slidably connected to the interiors of the two sliding blocks (10), and cutting seats (11) and cutting blades (12) are installed on one sides of the two sliding blocks (10) opposite to each other, a third rotating rod (13) is rotatably connected inside the frame body (2) through a bearing, the number of the third rotating rods (13) is two, the surfaces of the two third rotating rods (13) are fixedly sleeved with conveying wheels (15), the two conveying wheels (15) are in transmission connection through a transmission belt, a push plate (16) is arranged in the frame body (2), the front and the back of the push plate (16) are respectively bolted with a connecting block (17), the front and the back of the frame body (2) are both provided with sliding grooves (18) which are in sliding connection with the connecting blocks (17), the front and the back of the frame body (2) are both provided with a second transmission mechanism (19), a master controller (20) is installed on one side of the frame body (2), a stepping motor (21) is installed on one side of the case (1), and a sensing mechanism (22) is arranged inside the frame body (2).

2. A document reducing apparatus according to claim 1, wherein: rubbing crusher constructs (6) including first pivot pole (61), the quantity of first pivot pole (61) is two, the both ends of first pivot pole (61) are all rotated with quick-witted case (1) through the bearing and are connected, two the equal fixed crushing wheel (62) that have cup jointed in surface of first pivot pole (61), two crushing wheel (62) cooperation is used.

3. A document reducing apparatus according to claim 1, wherein: first drive mechanism (8) are including dysmorphism wheel (81), the center department of dysmorphism wheel (81) cup joints with the fixed surface of second dwang (7), slip fluting (82) have all been seted up at the front and the back of dysmorphism wheel (81), one side bolt joint that sliding block (10) are close to dysmorphism wheel (81) has with slip fluting (82) sliding connection's sliding connection seat (83).

4. A document shredder apparatus according to claim 1, wherein: the utility model discloses a crushing machine, including case (1), storage tank (23) and crushing groove (3), the inside of storing tank (23) is provided with receiver (24), slider (25) are all installed at the front and the back of receiver (24), spout (26) that cooperate the use with slider (25) are seted up to the inside of storing tank (23).

5. A document reducing apparatus according to claim 1, wherein: the second transmission mechanism (19) comprises a first servo motor (191), the output end of the first servo motor (191) is connected with a screw rod (192) in a bolted mode through a coupler, the surface of the screw rod (192) is connected with the center of the connecting block (17) in a threaded mode, the other end of the screw rod (192) is connected with a limiting block in a bolted mode with the frame body (2) through a bearing in a rotating mode, and the first servo motor (191) is fixedly installed on the frame body (2) through a fixing piece.

6. A document reducing apparatus according to claim 1, wherein: the sensing mechanism (22) comprises a pressure sensor (221), the pressure sensor (221) is embedded in the frame body (2), an induction plate (222) is rotatably connected to the inside of the frame body (2) through a shaft rod, and a sensing elastic sheet (223) is hinged between the induction plate (222) and the pressure sensor (221) through a hinge piece.

7. A document shredder apparatus according to claim 2, wherein: one end of each of the two first rotating rods (61) penetrates through the outside of the case (1) and is fixedly sleeved with a gear (27), and the two gears (27) are meshed with each other.

8. A document reducing apparatus according to claim 1, wherein: the output end of the stepping motor (21) is fixedly sleeved with a first rotating wheel (28), a second rotating wheel (29) connected with the first rotating wheel (28) through a belt in a transmission mode is arranged on the front face of the case (1), and the second rotating wheel (29) is fixedly sleeved with the first rotating rod (61).

9. A document shredder apparatus according to claim 8, wherein: two the one end of second dwang (7) all runs through to the outside of quick-witted case (1) and is fixed respectively to cup jointed third and rotates wheel (30) and fourth and rotate wheel (14), the third rotates and is connected through belt drive between wheel (30) and the fourth rotation wheel (14), connect through belt drive between first rotation wheel (28) and the third rotation wheel (30).

10. The use method of the file smashing device is characterized in that: the method comprises the following steps:

step 1: the working personnel tidy all the files to be crushed and vertically place the files into the frame body (2), and all the files are positioned on a transmission belt between the two conveying wheels (15) in the frame body (2);

step 2: a worker controls a first servo motor (191) to start through a master controller (20), the first servo motor (191) drives a screw rod (192) to rotate, the screw rod (192) drives connecting blocks (17) to slowly move under the action of a sliding groove (18), two connecting blocks (17) drive a push plate (16) to slowly move, so that a placed file is pushed to move on a transmission belt between two conveying wheels (15), and when one file is positioned above an opening between a case (1) and a frame body (2), the file falls into a crushing groove (3) in the case (1) through the opening by the gravity of the file;

and step 3: when a file falls into the crushing groove (3), the file touches the sensing mechanism (22), the file applies a certain pressure to the sensing plate (222), the sensing plate (222) applies pressure to the pressure sensor (221) under the action of the sensing elastic sheet (223), when the pressure sensor (221) senses the pressure, the numerical value is sent to the inside of the master controller (20), the master controller (20) controls the first servo motor (191) to stop working, so that the purpose of no longer conveying the file is achieved, and the master controller (20) controls the stepping motor (21) to work;

and 4, step 4: when the stepping motor (21) works, the first rotating wheel (28) rotates, the first rotating wheel (28) drives the second rotating wheel (29) and the third rotating wheel (30) to rotate, the third rotating wheel (30) drives the fourth rotating wheel (14) to rotate, so that when the second rotating wheel (29) rotates, the second rotating wheel (29) is matched with the two gears (27) for use, a first time of crushing a file conveyed into the crushing groove (3) can be carried out, the file is crushed into strip-shaped paper sheets, the strip-shaped paper sheets drop downwards, the fourth rotating wheel (14) and the third rotating wheel (30) rotate together to drive the second rotating rod (7) to rotate, so that the two special-shaped wheels (81) rotate, the two sliding blocks (10) are driven to slide in a reciprocating manner inside the sliding seat (9) under the action of the sliding groove (82) and the sliding connecting seat (83), and the cutting sheet (12) of the cutting seat (11) cuts the dropped paper sheets into sections for the second time, the crushing is more thorough, and the safety is higher.

And 5: the file after smashing falls, falls into and accomodates groove (23) in to make things convenient for the processing of follow-up personnel to the shredded paper, when pressure sensor (221) no longer experienced pressure, first servo motor (191) of total controller (20) control continued motion, thereby carry out the pay-off next time, reach the purpose that need not the staff and place the file repeatedly, the staff only need with whole file put into framework (2) can, need not to wait for crushing process.