Paper shredder integrating paper scrap compression and dust collection

Abstract

The paper shredder comprises a machine shell, a paper inlet is formed in the top of the machine shell, a paper feeding adjusting assembly is installed at the top of the machine shell, a rotating mechanism is installed at the bottom of the machine shell, a crushing box is fixedly connected to the vertical inner wall of the machine shell, and the crushing box is fixedly connected to the vertical inner wall of the machine shell. A smashing mechanism is installed in the smashing box, the top of the machine shell is fixedly connected with a control panel, and the bottom of the smashing box fixedly communicates with a material guiding assembly. Dust and paper scraps can be prevented from escaping outwards through the paper inlet, the paper scraps and the dust can be compressed together, dust raising can be prevented, the problem of air pollution caused by dust raising in the operation and cleaning process of the paper shredder is effectively solved, the environmental protection performance of the paper shredder is effectively improved, and the paper shredder is suitable for popularization and application. The paper feeding amount of the paper shredder can be flexibly adjusted according to requirements, the blockage of the paper shredder caused by excessive paper feeding is avoided, and the use flexibility of the paper shredder is effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of shredders, and particularly to a shredder integrating shred paper compression and dust collection. Background Art

[0002] A shredder is a commonly used device in offices. The shredder can shred important paper documents to prevent losses caused by the direct discarding of paper documents being collected and utilized. A shredder with the patent application number CN202420729975.7 includes a shredding structure and a collection structure. The collection structure includes a collection box. A handle is connected to the outer wall of the collection box. Six rotating shafts are installed on the collection box. A pressing plate is fixedly connected to each rotating shaft. An external gear is fixedly connected to one end of each rotating shaft. A rotating handle is fixedly connected to each external gear. An internal gear is installed on each external gear. A limiting rod is fixedly connected to each internal gear. A plurality of limiting holes are provided on the outer wall of each collection box; A shredder with high shredding efficiency with the patent application number CN202321694173.9 is characterized in that: it includes a shredder body; The shredder body is provided with a shredder body in the up and down direction. Threaded holes are opened at the four corners of the bottom plate of the shredder body. In the middle of the upper part of the rear end face of the shredder body, a rectangular cylinder in the up and down direction is provided. A locking hole is opened in the middle of the rear wall of the rectangular cylinder of the shredder body. A placement cavity is provided in front of the shredder body. In the middle of the top of the shredder body, a U-shaped plate with an opening facing backward is provided. A through hole in the front and rear directions is opened in the middle of the left and right plates of the U-shaped plate of the shredder body. A limiting groove in the left and right directions is opened at the front top of the front and rear plates of the U-shaped plate of the shredder body.

[0003] When shredding paper, the shredders in the above two patents will generate dust. Some dust will escape into the air through the paper inlet of the shredder, and some dust will fall into the collection bin of the shredder. When taking out the shredded paper in the shredder, it will also cause the dust to rise, thus polluting the air environment in the office and resulting in poor environmental protection performance of the shredder. Summary of the Invention

[0004] The purpose of the present invention is to provide a shredder integrating shred paper compression and dust collection to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] The present invention provides a paper shredder that integrates the compression of shredded paper scraps and the collection of dust, including a machine housing. An inlet for paper is opened at the top of the machine housing. A paper feed adjustment assembly is installed at the top of the machine housing. A rotating mechanism is installed at the bottom of the machine housing. A pulverizing box is fixedly connected to the vertical inner wall of the machine housing. A pulverizing mechanism is installed in the pulverizing box. A control panel is fixedly connected to the top of the machine housing. A feeding guide assembly is fixedly communicated with the bottom of the pulverizing box. A sealing plate is fixedly connected to the vertical inner wall of the machine housing. A material dropping hole communicating with the feeding guide assembly is opened on the sealing plate. An installation hole is opened on the vertical side wall of the machine housing. A collection box is movably inserted into the installation hole. The upper side of the collection box is closely attached to the sealing plate. An air outlet is opened on the vertical side wall of the collection box. A dust-proof net corresponding to the air outlet is fixedly connected to the vertical outer wall of the collection box. A negative pressure fan corresponding to the dust-proof net is fixedly connected to the vertical side wall of the machine housing. An electric push rod is fixedly connected to the vertical outer wall of the collection box. The output end of the electric push rod is fixedly connected to a pressing paper plate. The pressing paper plate is located inside the collection box. A locking assembly for fixing the collection box is fixedly connected to the vertical outer wall of the machine housing. A handle is fixedly connected to the collection box.

[0007] Further, the paper feed adjustment assembly includes two fixed blocks fixedly connected to the upper side of the machine housing. A damping shaft is rotatably connected to each of the two fixed blocks. The same paper feed slot is fixedly connected between the two damping shafts. A U-shaped plate is fixedly connected to the paper feed slot. A screw hole is opened on the U-shaped plate, and an adjustment screw rod is threadedly sleeved in the screw hole. One end of the adjustment screw rod close to the paper feed slot is rotatably connected to a limiting plate. Two limiting rods are symmetrically and fixedly connected to the limiting plate. Two limiting holes are symmetrically opened on the U-shaped plate. The limiting rods penetrate through the U-shaped plate through the limiting holes.

[0008] Further, the rotating mechanism includes a fixed shaft fixedly connected to the bottom of the machine housing. A base is rotatably sleeved on the shaft wall of the fixed shaft through a bearing. A damping ring plate is fixedly connected to the side wall on the upper side of the base. The side wall on the upper side of the damping ring plate is closely attached to the bottom of the machine housing. A plurality of feet are uniformly and fixedly connected to the lower side of the base.

[0009] Further, the pulverizing mechanism includes a rotating shaft rotatably connected in the pulverizing box. A motor is fixedly connected to the vertical outer wall of the pulverizing box. The output end of the motor is fixedly connected to the rotating shaft. A plurality of paper shredding knives are uniformly and fixedly connected to the shaft wall of the rotating shaft.

[0010] Further, the feeding guide assembly includes a conical feeding hopper fixedly connected to the lower side of the pulverizing box. A feeding pipe is fixedly connected to the lower end of the conical feeding hopper. The lower end of the feeding pipe is communicated with the material dropping hole. The diameter of the material dropping hole is the same as the inner diameter of the feeding pipe.

[0011] Furthermore, the locking assembly includes a stud fixedly connected to the vertical outer wall of the casing. A sector-shaped locking plate is movably sleeved on the stud, and a locking nut is threadedly sleeved on the stud. The sector-shaped locking plate is located between the collection box and the locking nut. Two operating rods are symmetrically and fixedly connected to the locking nut, and a push rod is fixedly connected to the sector-shaped locking plate.

[0012] Furthermore, a support plate is fixedly connected to the vertical outer wall of the collection box. The upper side wall of the support plate is in close contact with the lower side of the electric push rod. A support frame is fixedly connected between the support plate and the collection box.

[0013] Furthermore, a frame plate is fixedly sleeved on the collection box. Two positioning grooves are symmetrically formed in the frame plate. Two positioning blocks corresponding to the positioning grooves are symmetrically and fixedly connected to the vertical side wall of the casing. The two positioning blocks are respectively located in the two positioning grooves.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] 1. By providing a crushing box, a crushing mechanism, a control panel, a feeding guide assembly, a sealing plate, a blanking hole, a mounting hole, a collection box, an air outlet hole, a dust-proof net, a negative pressure fan, an electric push rod, a pressing paper board, a locking assembly, and a grip, the present invention can prevent dust and paper scraps from escaping outward through the paper inlet, can compress the paper scraps and dust together, can prevent the dust from rising, effectively avoids the problem of air pollution caused by the rising of dust during the operation and cleaning of the paper shredder, and effectively improves the environmental protection performance of the paper shredder.

[0016] 2. By providing a paper feeding adjustment assembly, during use, turn the adjusting screw. Through the threaded fit between the adjusting screw and the threaded hole, and through the mutual cooperation between the limiting rod and the limiting hole, the adjusting screw moves on the U-shaped plate. The adjusting screw drives the limiting plate to move, so that the distance between the limiting plate and the paper feeding slot can be adjusted. Place the paper in the paper feeding slot. By adjusting the position of the limiting plate, the paper feeding amount can be restricted, so that the paper feeding amount of the paper shredder can be flexibly adjusted according to needs, avoiding paper jams caused by excessive paper feeding, and effectively improving the flexibility of the paper shredder.

[0017] 3. By providing a rotating mechanism, during use, by pushing the casing, the casing can be driven to rotate relative to the base, so that the orientation of the paper inlet of the paper shredder can be adjusted. The provided damping ring plate can prevent the casing from rotating by itself, so that the orientation of the paper shredder can be quickly adjusted according to actual use requirements, effectively improving the convenience of the paper shredder. Description of the Drawings

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 Schematic diagram of the structure of another direction of the present invention;

[0020] Figure 3 Schematic diagram of the structure of the present invention after removing the collection box;

[0021] Figure 4 is Figure 1 Schematic diagram of the connection structure between the collection box and the crushing mechanism in

[0022] Figure 5 is Figure 1 Schematic diagram of the structure of the collection box in

[0023] Figure 6 is Figure 1 Schematic diagram of the structure of the crushing mechanism in

[0024] Figure 7 is Figure 1 Schematic diagram of the structure of the paper feeding adjustment component in

[0025] Figure 8 is Figure 1 Schematic diagram of the structure of the rotating mechanism in

[0026] In the figure: 1. Machine shell; 2. Paper feeding port; 3. Paper feeding adjustment component; 4. Rotating mechanism; 5. Crushing box; 6. Crushing mechanism; 7. Control panel; 8. Material guiding component; 9. Sealing plate; 10. Material dropping hole; 11. Mounting hole; 12. Collection box; 13. Air outlet hole; 14. Dust-proof net; 15. Negative pressure fan; 16. Electric push rod; 17. Pressing paper plate; 18. Locking component; 19. Handle; 20. Fixed block; 21. Damping shaft; 22. Paper feeding groove; 23. U-shaped plate; 24. Adjusting screw; 25. Limiting plate; 26. Limiting rod; 27. Limiting hole; 28. Fixed shaft; 29. Base; 30. Damping ring plate; 31. Foot seat; 32. Rotating shaft; 33. Motor; 34. Shredder blade; 35. Conical material guiding hopper; 36. Material guiding pipe; 37. Stud; 38. Sector locking plate; 39. Locking nut; 40. Operating rod; 41. Push rod; 42. Support plate; 43. Support frame; 44. Frame plate; 45. Positioning groove; 46. Positioning block. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figure 1-8, the present invention provides a paper shredder integrating paper shred compressing and dust collecting, which includes a machine housing 1. A paper inlet 2 is opened at the top of the machine housing 1. A paper feed adjusting assembly 3 is installed at the top of the machine housing 1. A rotating mechanism 4 is installed at the bottom of the machine housing 1. A crushing box 5 is fixedly connected to the vertical inner wall of the machine housing 1. A crushing mechanism 6 is installed in the crushing box 5. A control panel 7 is fixedly connected to the top of the machine housing 1. A material guiding assembly 8 is fixedly communicated with the bottom of the crushing box 5. A sealing plate 9 is fixedly connected to the vertical inner wall of the machine housing 1. A material dropping hole 10 communicating with the material guiding assembly 8 is opened on the sealing plate 9. An installation hole 11 is opened on the vertical side wall of the machine housing 1. A collecting box 12 is movably inserted into the installation hole 11. The upper side of the collecting box 12 is closely attached to the sealing plate 9. An air outlet hole 13 is opened on the vertical side wall of the collecting box 12. A dust-proof net 14 corresponding to the air outlet hole 13 is fixedly connected to the vertical outer wall of the collecting box 12. A negative pressure fan 15 corresponding to the dust-proof net 14 is fixedly connected to the vertical side wall of the machine housing 1. An electric push rod 16 is fixedly connected to the vertical outer wall of the collecting box 12. The output end of the electric push rod 16 is fixedly connected to a pressing paper plate 17. The pressing paper plate 17 is located inside the collecting box 12. A locking assembly 18 for fixing the collecting box 12 is fixedly connected to the vertical outer wall of the machine housing 1. A handle 19 is fixedly connected to the collecting box 12.

[0029] In the above embodiment, when shredding paper, add paper into the paper shredder through the paper inlet 2, start the motor 33, the motor 33 drives the rotating shaft 32 to rotate, the rotating shaft 32 drives a plurality of paper shredding knives 34 to rotate at high speed, and the plurality of paper shredding knives 34 can shred the paper. Start the negative pressure fan 15, and the negative pressure fan 15 drives the air flow to form a negative pressure environment, so that the shredded paper scraps and dust can be sucked into the collecting box 12 through the material guiding assembly 8, thereby preventing the dust and paper scraps from escaping outward through the paper inlet 2. Start the electric push rod 16, the electric push rod 16 drives the pressing paper plate 17 to move inside the collecting box 12, and the pressing paper plate 17 can compress the paper scraps and dust in the collecting box 12, so that the paper scraps and dust can be tightly compressed together. Release the locking of the collecting box 12 by the locking assembly 18, pull the handle 19, and the handle 19 drives the collecting box 12 to move, so that the collecting box 12 can be taken out of the machine housing 1, which is convenient for cleaning the paper scraps in the collecting box 12. Since the paper scraps and dust are compressed together, the dust can be prevented from rising, effectively avoiding the problem of air pollution caused by the rising of dust during the operation and cleaning of the paper shredder, and effectively improving the environmental protection performance of the paper shredder.

[0030] The paper feeding adjustment assembly 3 includes two fixing blocks 20 fixedly connected to the upper side of the machine housing 1. A damping shaft 21 is rotatably connected to each of the two fixing blocks 20. The same paper feeding groove 22 is fixedly connected between the two damping shafts 21. A U-shaped plate 23 is fixedly connected to the paper feeding groove 22. A screw hole is formed in the U-shaped plate 23, and an adjusting screw 24 is threadedly sleeved in the screw hole. One end of the adjusting screw 24 close to the paper feeding groove 22 is rotatably connected to a limiting plate 25. Two limiting rods 26 are symmetrically and fixedly connected to the limiting plate 25. Two limiting holes 27 are symmetrically formed in the U-shaped plate 23. The limiting rods 26 penetrate through the U-shaped plate 23 through the limiting holes 27.

[0031] In this embodiment, during use, turn the adjusting screw 24. Through the threaded fit between the adjusting screw 24 and the screw hole, and through the mutual cooperation between the limiting rod 26 and the limiting hole 27, the adjusting screw 24 moves on the U-shaped plate 23. The adjusting screw 24 drives the limiting plate 25 to move, so that the distance between the limiting plate 25 and the paper feeding groove 22 can be adjusted. Place the paper in the paper feeding groove 22. By adjusting the position of the limiting plate 25, the paper feeding amount can be restricted, so that the paper feeding amount of the shredder can be flexibly adjusted according to needs, avoiding paper jams caused by excessive paper feeding, and effectively improving the flexibility of the shredder.

[0032] The rotating mechanism 4 includes a fixing shaft 28 fixedly connected to the bottom of the machine housing 1. A base 29 is rotatably sleeved on the shaft wall of the fixing shaft 28 through a bearing. A damping ring plate 30 is fixedly connected to the side wall on the upper side of the base 29. The side wall on the upper side of the damping ring plate 30 is closely attached to the bottom of the machine housing 1. A plurality of foot seats 31 are evenly and fixedly connected to the lower side of the base 29.

[0033] In the above embodiment, during use, by pushing the machine housing 1, the machine housing 1 can be driven to rotate relative to the base 29, so that the orientation of the paper feeding port 2 of the shredder can be adjusted. And the provided damping ring plate 30 can prevent the machine housing 1 from rotating by itself, so that the orientation of the shredder can be quickly adjusted according to actual use needs, effectively improving the convenience of using the shredder.

[0034] The crushing mechanism 6 includes a rotating shaft 32 rotatably connected in a crushing box 5. A motor 33 is fixedly connected to the vertical outer wall of the crushing box 5. The output end of the motor 33 is fixedly connected to the rotating shaft 32. A plurality of shredding knives 34 are evenly fixedly connected to the shaft wall of the rotating shaft 32.

[0035] In this embodiment, during use, start the motor 33. The motor 33 drives the rotating shaft 32 to rotate. The rotating shaft 32 drives a plurality of shredding knives 34 to rotate at a high speed, so that the paper can be quickly crushed.

[0036] The material guiding assembly 8 includes a conical material guiding hopper 35 fixedly connected to the lower side of the crushing box 5. The lower end of the conical material guiding hopper 35 is fixedly connected with a material guiding pipe 36. The lower end of the material guiding pipe 36 is communicated with the blanking hole 10, and the diameter of the blanking hole 10 is the same as the inner diameter of the material guiding pipe 36.

[0037] In the above embodiment, the provided conical material guiding hopper 35 can make the paper scraps and dust concentrate and enter the material guiding pipe 36, thereby improving the blanking effect of the paper scraps and dust.

[0038] The locking assembly 18 includes a stud 37 fixedly connected to the vertical outer wall of the machine shell 1. A sector locking plate 38 is movably sleeved on the stud 37. A locking nut 39 is threadedly sleeved on the stud 37. The sector locking plate 38 is located between the collection box 12 and the locking nut 39. Two operating rods 40 are symmetrically and fixedly connected to the locking nut 39, and a push rod 41 is fixedly connected to the sector locking plate 38.

[0039] In this embodiment, when in use, turn the locking nut 39 to release the limit fixation of the locking nut 39 on the sector locking plate 38, and push the push rod 41. The push rod 41 drives the sector locking plate 38 to rotate, thereby being able to release the limit of the sector locking plate 38 on the collection box 12, and thus being able to pull out the collection box 12, improving the convenience of disassembly and assembly of the collection box 12.

[0040] A support plate 42 is fixedly connected to the vertical outer wall of the collection box 12. The side wall on the upper side of the support plate 42 is in close contact with the lower side of the electric push rod 16. A support frame 43 is fixedly connected between the support plate 42 and the collection box 12.

[0041] In the above embodiment, the provided support plate 42 and the support frame 43 cooperate with each other to stably support the electric push rod 16, effectively improving the stability of the fixation of the electric push rod 16.

[0042] A frame plate 44 is fixedly sleeved on the collection box 12. Two positioning grooves 45 are symmetrically formed on the frame plate 44. Two positioning blocks 46 corresponding to the positioning grooves 45 are symmetrically and fixedly connected to the vertical side wall of the machine shell 1, and the two positioning blocks 46 are respectively located in the two positioning grooves 45.

[0043] In this embodiment, the provided positioning blocks 46 and the positioning grooves 45 cooperate with each other to quickly and accurately position the collection box 12, effectively improving the convenience of installation of the collection box 12.

[0044] Working principle: When shredding paper, add paper into the shredder through the paper inlet 2, start the motor 33, the motor 33 drives the rotating shaft 32 to rotate, the rotating shaft 32 drives multiple shredding knives 34 to rotate at high speed, and the multiple shredding knives 34 can shred the paper. Start the negative pressure fan 15, and the negative pressure fan 15 drives the air flow to form a negative pressure environment, so that the shredded paper scraps and dust can be sucked into the collection box 12 through the material guiding component 8, thus preventing the dust and paper scraps from escaping outward through the paper inlet 2. Start the electric push rod 16, the electric push rod 16 drives the pressing plate 17 to move in the collection box 12, and the pressing plate 17 can compress the paper scraps and dust in the collection box 12, so that the paper scraps and dust are tightly compressed together. Release the locking of the collection box 12 by the locking component 18, pull the handle 19, and the handle 19 drives the collection box 12 to move, so that the collection box 12 can be taken out of the machine housing 1, which is convenient for cleaning the paper scraps in the collection box 12. Since the paper scraps and dust are compressed together, it can prevent the dust from rising, effectively avoiding the problem of air pollution caused by dust rising during the operation and cleaning of the shredder, and effectively improving the environmental protection performance of the shredder;

[0045] During use, turn the adjusting screw 24. Through the thread fit between the adjusting screw 24 and the screw hole, and through the cooperation between the limiting rod 26 and the limiting hole 27, the adjusting screw 24 moves on the U-shaped plate 23, and the adjusting screw 24 drives the limiting plate 25 to move, so that the distance between the limiting plate 25 and the paper feeding slot 22 can be adjusted. Place the paper in the paper feeding slot 22, and the paper feeding amount can be restricted by adjusting the position of the limiting plate 25, so that the paper feeding amount of the shredder can be flexibly adjusted according to needs, avoiding paper jams caused by excessive paper feeding, and effectively improving the flexibility of the shredder.

[0046] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0047] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A paper shredder integrating paper scrap compression and dust collection, comprising a machine case (1), characterized in that: A paper inlet (2) is provided at the top of the housing (1). A paper feed adjustment assembly (3) is installed at the top of the housing (1). A rotation mechanism (4) is installed at the bottom of the housing (1). A crushing box (5) is fixedly connected to the vertical inner wall of the housing (1). A crushing mechanism (6) is installed in the crushing box (5). A control panel (7) is fixedly connected to the top of the housing (1). The bottom of the crushing box (5) is fixedly communicated with a material guiding assembly (8). A sealing plate (9) is fixedly connected to the vertical inner wall of the housing (1). A material dropping hole (10) communicated with the material guiding assembly (8) is provided on the sealing plate (9). An installation hole (11) is provided on the vertical side wall of the housing (1). A collection box (12) is movably inserted into the installation hole (11). The upper side of the collection box (12) is in close contact with the sealing plate (9). An air outlet hole (13) is provided on the vertical side wall of the collection box (12). A dust-proof net (14) corresponding to the air outlet hole (13) is fixedly connected to the vertical outer wall of the collection box (12). A negative pressure fan (15) corresponding to the dust-proof net (14) is fixedly connected to the vertical side wall of the housing (1). An electric push rod (16) is fixedly connected to the vertical outer wall of the collection box (12). The output end of the electric push rod (16) is fixedly connected to a pressing paper plate (17). The pressing paper plate (17) is located inside the collection box (12). A locking assembly (18) for fixing the collection box (12) is fixedly connected to the vertical outer wall of the housing (1). A handle (19) is fixedly connected to the collection box (12).

2. The paper shredder for integrated compression of shredded paper scraps and dust collection according to claim 1, wherein: The paper feed adjustment assembly (3) includes two fixed blocks (20) fixedly connected to the upper side of the housing (1). A damping shaft (21) is rotatably connected to each of the two fixed blocks (20). The same paper feed slot (22) is fixedly connected between the two damping shafts (21). A U-shaped plate (23) is fixedly connected to the paper feed slot (22). A screw hole is provided on the U-shaped plate (23), and an adjustment screw rod (24) is threadedly sleeved in the screw hole. One end of the adjustment screw rod (24) close to the paper feed slot (22) is rotatably connected to a limit plate (25). Two limit rods (26) are symmetrically and fixedly connected to the limit plate (25). Two limit holes (27) are symmetrically provided on the U-shaped plate (23). The limit rods (26) penetrate through the U-shaped plate (23) through the limit holes (27).

3. The paper shredder for integrated shredding and dust collection of shredded paper scraps according to claim 2, characterized in that: The rotation mechanism (4) includes a fixed shaft (28) fixedly connected to the bottom of the housing (1). A base (29) is rotatably sleeved on the shaft wall of the fixed shaft (28) through a bearing. A damping ring plate (30) is fixedly connected to the side wall on the upper side of the base (29). The side wall on the upper side of the damping ring plate (30) is in close contact with the bottom of the housing (1). A plurality of feet (31) are evenly and fixedly connected to the lower side of the base (29).

4. A paper shredder integrating paper scrap compression and dust collection according to claim 3, characterized in that: The crushing mechanism (6) includes a rotating shaft (32) rotatably connected inside the crushing box (5). A motor (33) is fixedly connected to the vertical outer wall of the crushing box (5). The output end of the motor (33) is fixedly connected to the rotating shaft (32). A plurality of shredding knives (34) are evenly and fixedly connected to the shaft wall of the rotating shaft (32).

5. The paper shredder for integrated compression of shredded paper scraps and dust collection according to claim 4, characterized in that: The feeding assembly (8) includes a conical feeding hopper (35) fixedly connected to the lower side of the crushing box (5). A feeding pipe (36) is fixedly connected to the lower end of the conical feeding hopper (35). The lower end of the feeding pipe (36) is communicated with the blanking hole (10). The diameter of the blanking hole (10) is the same as the inner diameter of the feeding pipe (36).

6. The paper shredder for integrated compression of shredded paper scraps and dust collection according to claim 5, characterized in that: The locking assembly (18) includes a stud (37) fixedly connected to the vertical outer wall of the machine shell (1). A sector locking plate (38) is movably sleeved on the stud (37). A locking nut (39) is threadedly sleeved on the stud (37). The sector locking plate (38) is located between the collection box (12) and the locking nut (39). Two operating rods (40) are symmetrically and fixedly connected to the locking nut (39). A push rod (41) is fixedly connected to the sector locking plate (38).

7. A paper shredder for integrated compression of shredded paper and dust collection according to claim 6, characterized in that: A support plate (42) is fixedly connected to the vertical outer wall of the collection box (12). The upper side wall of the support plate (42) is in close contact with the lower side of the electric push rod (16). A support frame (43) is fixedly connected between the support plate (42) and the collection box (12).

8. The paper shredder for integrated compression of shredded paper scraps and dust collection according to claim 7, characterized in that: A frame plate (44) is fixedly sleeved on the collection box (12). Two positioning grooves (45) are symmetrically formed in the frame plate (44). Two positioning blocks (46) corresponding to the positioning grooves (45) are symmetrically and fixedly connected to the vertical side wall of the machine shell (1). The two positioning blocks (46) are respectively located in the two positioning grooves (45).

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