CN220444021U - Dustproof kneader - Google Patents

Abstract

The utility model relates to the technical field of paper shredders, and particularly discloses a dustproof paper shredder which comprises a rack and a motor, wherein the motor is arranged on the rack, a feeding cover, a crushing box and a collecting box are sequentially arranged on the rack from top to bottom, a paper shredding mechanism is arranged in the crushing box, the feeding cover is arranged at a top opening of the crushing box, the collecting box is connected to a bottom opening of the crushing box, a backflow preventing cavity is formed in the upper part of the feeding cover, a transverse connecting shaft is rotatably arranged in the feeding cover, a connecting sleeve is sleeved on the connecting shaft, a plurality of backflow preventing plates are fixedly connected to the outer part of the connecting sleeve, the outer ends of the backflow preventing plates can be in clearance fit with the inner wall of the backflow preventing cavity, and a feeding opening communicated with the backflow preventing cavity is formed in the top of the feeding cover.

Description

Dustproof kneader

Technical Field

The utility model relates to the technical field of paper shredders, in particular to a dustproof paper shredder.

Background

The paper shredder is used for destroying paper documents and ensuring the security of confidential information. In general, a small paper shredder for offices has a small power, can input only one paper at a time, does not worry about the problem of dust or paper dust back flushing caused by shredding waste paper, but a large paper shredder for intensively destroying paper has a structure similar to a pair roller type shredder, can input hundreds of papers at a time, and when hundreds of papers are shredded together, the generated dust or paper dust easily back flushing from a feed inlet, pollutes air and is difficult to clean.

Disclosure of Invention

In order to solve the problems mentioned in the background art, the present utility model is directed to a dustproof shredder.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the utility model provides a dustproof kneader, includes frame and motor, the motor is installed in the frame, feed cover, crushing case and collection box have been set gradually from top to bottom in the frame, it all opens the setting from top to bottom to smash the case, be provided with paper shredding mechanism in the crushing case, the top that smashes the case is located to the feed cover, the top of collection box is open, the collection box is connected in the bottom mouth of smashing the case, the upper portion of feed cover has horizontal and the semicircular anti-backflow chamber of cross-section, the horizontal connecting axle is installed in the feed cover internal rotation, the connecting axle is coaxial with anti-backflow chamber sets up, the cover is equipped with the adapter sleeve on the connecting axle, the outside rigid coupling of adapter sleeve has a plurality of anti-backflow boards, a plurality of anti-backflow boards evenly arrange around connecting axle circumference, the outer end of anti-backflow board can with the inner wall clearance fit in anti-backflow chamber, the top of feed cover is equipped with the feed inlet with anti-backflow chamber intercommunication, the motor is used for driving connecting axle and paper shredding mechanism.

Further, the paper shredding mechanism comprises two knife rolls and a plurality of fixed extrusion plates, the two knife rolls are transversely arranged in a paper shredding box, the knife rolls comprise roll cores, fluted discs and movable extrusion plates, each roll core is provided with a plurality of movable extrusion plates and fluted discs in a staggered manner, the two roll cores are respectively rotatably arranged in the paper shredding box and are parallel to a connecting shaft, the fluted discs on the roll cores are arranged in a staggered manner, the paper shredding box is parallel to the inner walls of the two roll cores, the fixed extrusion plates are respectively arranged corresponding to the movable extrusion plates, the movable extrusion plates are flush with the fixed extrusion plates, and the movable extrusion plates are round.

Further, a semicircular groove for accommodating the dynamic extrusion plate is formed in the fixed extrusion plate, the first ends of the two roller cores are connected with gears, the two gears are meshed, the second end of one roller core is connected with a first driving belt wheel, a main shaft of the motor is connected with a driving belt wheel, and the driving belt wheel is in transmission connection with the first driving belt wheel through a synchronous belt.

Further, the second end of the other roller core is connected with a second driving belt wheel, the second end of the connecting shaft is connected with a third driving belt wheel, and the second driving belt wheel is in driving connection with the third driving belt wheel through a synchronous belt.

Furthermore, one side of the collecting box is provided with a drawer opening, and a drawer is transversely connected in the drawer opening in a sliding manner.

The beneficial effects of the utility model are as follows: prevent back rush chamber and prevent back rush plate cooperation, prevent that back rush plate can rotate, can send into garrulous carton with the paper in, ensured the smoothness nature of throwing the material, dust and the wastepaper that produces when can also preventing garrulous paper back rush, can not pollute the air, avoided the problem of being difficult to the clearance.

Drawings

FIG. 1 is an isometric view of a dust shredder according to a first aspect of the present utility model;

FIG. 2 is an isometric view of a dust shredder according to a second aspect of the present utility model;

FIG. 3 is a cross-sectional view of an exemplary dust shredder according to the present utility model:

FIG. 4 is a schematic view of a shredder housing and shredder structure in accordance with an embodiment of the present utility model.

In the figure: 1. the device comprises a frame, 2, a motor, 21, a driving pulley, 3, a feeding cover, 31, a backflow preventing cavity, 32, a feeding port, 4, a crushing box, 41, a fixed extrusion plate, 42, a semicircular groove, 5, a collecting box, 51, a drawer port, 6, a connecting shaft, 61, a third driving pulley, 7, a connecting sleeve, 71, a backflow preventing plate, 8, a knife roller, 81, a roller core, 82, a fluted disc, 83, a dynamic extrusion plate, 9, a gear, 10, a first driving pulley, 110, a second driving pulley, 120 and a drawer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

As shown in fig. 1-4, a dustproof kneader, which comprises a frame 1 and a motor 2, the motor 2 is installed in the bottom of the frame 1, the frame 1 is provided with a feeding cover 3 from top to bottom in sequence, a crushing box 4 and a collecting box 5, the crushing box 4 is a cuboid shell with an upper opening and a lower opening, the crushing is fixed at the top of the frame 1, a kneader mechanism is arranged in the crushing box 4, the feeding cover 3 is a prismatic shell with a transverse arrangement and an open bottom, the upper section of the feeding cover 3 is semicircular, the lower section of the feeding cover 3 is rectangular, the feeding cover 3 covers the top opening of the crushing box 4, the collecting box 5 is a cuboid box with an open top, the collecting box 5 is welded on the frame 1, the top opening of the collecting box 5 is connected with the bottom opening of the crushing box 4, the upper part of the feeding cover 3 is provided with a transverse anti-backflow cavity 31 with a semicircular section, the connecting shaft 6 is rotatably arranged in the feeding cover 3, the connecting shaft 6 is coaxially arranged with the anti-backflow cavity 31, the connecting shaft 6 is fixedly sleeved with a connecting sleeve 7, the outer fixedly connected with eight anti-backflow plates 71 of the connecting sleeve 7 are arranged on the connecting shaft 6, and the two anti-backflow plates 71 are arranged at the inner walls of the connecting sleeve and are connected with the anti-backflow cavity 31, and the anti-backflow cavity 31 is arranged at the gap between the two anti-backflow plates 31 and the two anti-backflow plates are arranged at the gap 1, and can be matched with the anti-backflow cavity 31, and the anti-backflow cavity 31 is arranged at the inner wall, and can be matched with the anti-backflow cavity 31.

In actual use, the feeding hole 32 is used for throwing paper into the feeding cover 3, the motor 2 drives the connecting shaft 6 to rotate, the anti-backflow plate 71 is used for feeding the paper into the crushed paper box, and the anti-backflow plate 71 can be in clearance fit with the inner wall of the anti-backflow cavity 31, so that dust and paper scraps are difficult to backflow into the feeding hole 32, dust is not generated, and the problem of difficult cleaning of the paper scraps is also avoided.

In this embodiment, paper shredding mechanism includes two knife rolls 8 and a plurality of fixed extrusion plate 41, two knife rolls 8 transversely install in garrulous carton, knife roll 8 includes roller core 81, fluted disc 82 and movable extrusion plate 83, all crisscross a plurality of movable extrusion plate 83 and the fluted disc 82 of being provided with on every roller core 81, two roller cores 81 all rotate install in garrulous carton and with connecting axle 6 parallel, the both ends of roller core 81 all extend outside the garrulous case 4, fluted disc 82 on two roller cores 81 are crisscross to be set up, the garrulous carton is on a parallel with the inner wall of two roller cores 81 all corresponding movable extrusion plate 83 and install fixed extrusion plate 41, movable extrusion plate 83 and fixed extrusion plate 41 flush, movable extrusion plate 83 is circular, set up the semicircle groove 42 that holds movable extrusion plate 83 on the fixed extrusion plate 41, movable extrusion plate 83 locates in the semicircle groove 42 of correspondence, the first end of two roller cores 81 all is connected with gear 9, two gears 9 mesh mutually, the second end of roller core 81 that is located the rear end of garrulous case 4 is connected with first driving pulley 10, driving pulley 21 is connected with driving pulley 21, driving pulley 21 and driving pulley 21 is connected with driving pulley 21, can be smashed with driving pulley 82, driving pulley 21 is reasonable, and driving pulley is connected with driving pulley 82 is smashed through the driving pulley, reasonable effect, and paper is smashed.

In this embodiment, the second end of the roller core 81 located at the front end of the crushing box 4 is connected with the second driving pulley 110, the second end of the connecting shaft 6 is connected with the third driving pulley 61, and the second driving pulley 110 is in driving connection with the third driving pulley 61 through a synchronous belt, so that the design is reasonable, and the material drawing and processing are facilitated.

In this embodiment, the front side of the collecting box 5 is provided with a drawer opening 51, and a drawer 120 is slidably connected in the drawer opening 51 along the front-rear direction, so that the design is reasonable, and the crushed paper scraps fall into the drawer 120, so that the paper scraps in the collecting box 5 can be cleaned quickly.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (5)

1. The utility model provides a dustproof kneader, includes frame (1) and motor (2), motor (2) install on frame (1), its characterized in that, feed cover (3), crushing case (4) and collection box (5) have been set gradually from top to bottom on frame (1), all uncovered setting from top to bottom crushing case (4), be provided with kneader mechanism in crushing case (4), feed cover (3) cover locates the top opening of crushing case (4), the top opening of collection box (5), collection box (5) are connected in the bottom opening of crushing case (4), the upper portion of feed cover (3) has horizontal and semicircular anti-backflow chamber (31), feed cover (3) internal rotation installs horizontal connecting axle (6), connecting axle (6) and anti-backflow chamber (31) coaxial setting, the cover is equipped with on connecting axle (6) and prevents that the outside rigid coupling of connecting cover (7) has anti-backflow plate (71), anti-backflow plate (71) are equipped with a plurality of anti-backflow plates (71) and evenly prevent that the top of feed cover (31) is connected with the top of preventing backflow chamber (31), the motor (2) is used for driving the connecting shaft (6) and the paper shredding mechanism.

2. The dustproof paper shredder according to claim 1, wherein the paper shredder comprises two knife rolls (8) and a plurality of fixed extrusion plates (41), the two knife rolls (8) are transversely arranged in a paper shredding box, the knife rolls (8) comprise roll cores (81), fluted discs (82) and movable extrusion plates (83), a plurality of movable extrusion plates (83) and fluted discs (82) are arranged on each roll core (81) in a staggered mode, the two roll cores (81) are rotatably arranged in the paper shredding box and are parallel to the connecting shaft (6), the fluted discs (82) on the two roll cores (81) are staggered, the paper shredding box is parallel to the inner walls of the two roll cores (81), the fixed extrusion plates (41) are arranged on the inner walls of the two roll cores (81) in a staggered mode and correspond to the movable extrusion plates (83), and the movable extrusion plates (83) are flush.

3. A dustproof paper shredder according to claim 2, characterized in that the fixed extrusion plate (41) is provided with a semicircular groove (42) for accommodating the movable extrusion plate (83), the first ends of the two roller cores (81) are connected with gears (9), the two gears (9) are meshed, the second end of one roller core (81) is connected with a first driving belt wheel (10), the main shaft of the motor (2) is connected with a driving belt wheel (21), and the driving belt wheel (21) is in transmission connection with the first driving belt wheel (10) through a synchronous belt.

4. A dust shredder according to claim 2, characterized in that a second end of the other roller core (81) is connected with a second driving pulley (110), a second end of the connecting shaft (6) is connected with a third driving pulley (61), and the second driving pulley (110) is in driving connection with the third driving pulley (61) through a synchronous belt.

5. A dust shredder according to claim 1, characterized in that a drawer opening (51) is provided on one side of the collection box (5), and a drawer (120) is connected in the drawer opening (51) in a transversely sliding manner.