Paper guiding device for paper shredder

Abstract

The utility model relates to the technical field of paper shredder accessories, in particular to a paper guide device for a paper shredder, which comprises an inclined guide shell, one side of the guide shell is provided with a storage groove, the bottom end of the guide shell is fixedly connected with two right-triangle-shaped mounting plates, and the right-triangle-shaped mounting plates are arranged on the guide shell. A baffle is fixedly connected to one sides of the two mounting plates, and two supporting blocks are fixedly connected to the bottom side of the guide shell. The paper crushing device has the advantages that through the cooperative arrangement of the guide shell, the storage groove, the mounting plate, the baffle, the first rotating shaft, the conveying roller, the motor, the first belt wheel, the second belt wheel, the third belt wheel, the second rotating shaft, the first gear, the second gear, the third rotating shaft, the guide roller and the blocking plate, paper can be guided when more paper is crushed; the paper shredder has the advantages that the paper shredder is simple in structure, paper can automatically enter the paper shredder, accordingly, more paper can be simply and conveniently shredded, the labor intensity of operators can be reduced, and the paper shredding efficiency can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of shredder accessories, in particular to a paper guide device for a shredder. Background Art

[0002] A shredder is an office appliance consisting of a set of rotating blades, a paper comb, and a drive motor. With the rapid development of knowledge today, people are becoming increasingly aware of confidentiality. In daily life or work, documents and papers often need to be destroyed to prevent others from obtaining the information recorded on them. Accordingly, various discarded paper and technical materials are shredded in a shredder before being thrown away as garbage.

[0003] When using a current paper shredder, the user generally puts several sheets of paper in at a time for shredding. When there are a lot of papers to be shredded, the user has to stand next to the shredder and put the papers in manually, which is labor-intensive, inconvenient to use, wastes the user's time, and reduces work efficiency. Therefore, a paper guide device for a paper shredder is needed to solve the above problems. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0005] Therefore, one purpose of the present invention is to provide a paper guide device for a paper shredder to solve the problems mentioned in the background art and overcome the deficiencies in the prior art.

[0006] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the present invention provides a paper guide device for a shredder, comprising a guide shell arranged at an angle, a storage groove being opened on one side of the guide shell, the bottom end of the guide shell is fixedly connected to two mounting plates in the shape of a right triangle, one side of the two mounting plates is fixedly connected to a baffle, the bottom side of the guide shell is fixedly connected to two support blocks, one side of the two support blocks is rotatably connected to a first rotating shaft through a bearing, the outer surface of the first rotating shaft is fixedly connected to a conveying roller, one side of the guide shell is fixedly installed with a motor, the output end of the motor is fixedly connected to a first pulley, the first pulley is connected to a second pulley and a third pulley fixedly connected to the first rotating shaft through a V-belt transmission, the inner wall of the keyway of the third pulley is fixedly connected to the second rotating shaft, the outer surface of the second rotating shaft is fixedly connected to the first gear, the outer surface of the first gear is meshed with the second gear, the inner wall of the keyway of the second gear is fixedly connected to the third rotating shaft, the outer surfaces of the second rotating shaft and the third rotating shaft are both fixedly connected to the guide roller, and a blocking plate is fixedly connected to one side of the inside of the guide shell.

[0007] Preferably, any of the above schemes is that the top side of the guide shell is fixedly connected to two mounting blocks, one side of the two mounting blocks is rotatably connected to a bidirectional screw rod through a bearing, the outer surface of the bidirectional screw rod is threadedly connected to two connecting blocks, the bottom sides of the two connecting blocks are fixedly connected to a U-shaped guide frame, one side of the two U-shaped guide frames are fixedly connected to a first limit plate, the side of the two U-shaped guide frames away from the first limit plate are fixedly connected to a movable plate, and the bottom ends of the two movable plates are fixedly connected to a second limit plate.

[0008] Preferably, according to any of the above solutions, a support frame is fixedly connected to one side of the guide shell, and a fixed bottom plate is fixedly connected to the bottom end of the support frame.

[0009] Preferably, according to any of the above schemes, a portion of the conveying roller is located inside the receiving groove, the positions of the conveying roller and the blocking plate correspond to each other, there is a gap between the conveying roller and the blocking plate, and the diameter of the conveying roller is greater than the thickness of the blocking plate.

[0010] Preferably, any of the above schemes is that the second rotating shaft and the third rotating shaft both pass through the mounting plate, the second rotating shaft and the third rotating shaft are both rotatably connected to the mounting plate via bearings, and the guide roller is located inside the space formed by the two mounting plates.

[0011] Preferably, according to any of the above solutions, the blocking plate is located inside the U-shaped guide frame, and the U-shaped guide frame is slidably connected to the blocking plate.

[0012] Preferably, any of the above schemes is that the first limit plate is located inside the guide shell, the first limit plate is slidably connected to the guide shell, the second limit plate is located inside the interval formed by the two mounting plates and the baffle, and a perforation is opened on one side of the second limit plate, the perforation corresponds to the center position of the guide roller, and the diameter of the perforation is larger than the diameter of the guide roller.

[0013] Compared with the prior art, the advantages and beneficial effects of the present invention are as follows:

[0014] 1. Through the coordinated arrangement of the guide shell, the receiving groove, the mounting plate, the baffle, the first rotating shaft, the conveying roller, the motor, the first pulley, the second pulley, the third pulley, the second rotating shaft, the first gear, the second gear, the third rotating shaft, the guide roller and the blocking plate, the paper can be guided when a large amount of paper is shredded, and the paper automatically enters the interior of the shredder, thereby making the operation of shredding a large amount of paper simpler, reducing the labor intensity of the operator, and ensuring the efficiency of shredding.

[0015] 2. Through the coordinated arrangement of the bidirectional screw, the connecting block, the guide frame, the first limiting plate, the movable plate and the second limiting plate, the first limiting plate and the second limiting plate can be adjusted to appropriate positions according to the width of the paper, thereby being able to perform limiting and guiding operations on paper of a wider width, avoiding the positional deviation of the paper during movement, thereby making the subsequent paper shredding operation more favorable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic structural diagram of the bidirectional screw rod and its connecting components of the utility model;

[0019] Figure 4 For this utility model Figure 1 Schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 5 This is a structural schematic diagram of the utility model installed on a crusher.

[0021] In the figure: 1-guide shell, 2-storage groove, 3-mounting plate, 4-baffle, 5-first rotating shaft, 6-conveying roller, 7-motor, 8-first pulley, 9-second pulley, 10-third pulley, 11-second rotating shaft, 12-first gear, 13-second gear, 14-third rotating shaft, 15-guide roller, 16-blocking plate, 17-bidirectional screw rod, 18-connecting block, 19-U-shaped guide frame, 20-first limiting plate, 21-moving plate, 22-second limiting plate, 23-support frame, 24-fixed bottom plate. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following description.

[0023] like Figures 1 to 5As shown, a paper guide device for a shredder includes a guide shell 1 arranged obliquely, a receiving groove 2 being provided on one side of the guide shell 1, two mounting plates 3 in the shape of a right triangle being fixedly connected to the bottom end of the guide shell 1, and a baffle 4 being fixedly connected to one side of the two mounting plates 3. After the device is installed on the shredder, the bottom sides of the mounting plates 3 and the bottom sides of the baffle 4 are both in contact with the top side of the shredder. At this time, the feed port of the shredder is located inside the area formed by the two mounting plates 3 and the baffle 4, and the spacing between the two mounting plates 3 is greater than the position of the feed port of the shredder, surrounding the feed port of the shredder so that paper can smoothly enter the shredder. Inside the shredder, two support blocks are fixedly connected to the bottom side of the guide shell 1, and one side of the two support blocks is rotatably connected to a first rotating shaft 5 through a bearing. The outer surface of the first rotating shaft 5 is fixedly connected to a conveying roller 6. A motor 7 is fixedly installed on one side of the guide shell 1, and the output end of the motor 7 is fixedly connected to a first pulley 8. The first pulley 8 is connected to a second pulley 9 and a third pulley 10 fixedly connected to the first rotating shaft 5 through a V-belt transmission. The inner wall of the keyway of the third pulley 10 is fixedly connected to the second rotating shaft 11, and the outer surface of the second rotating shaft 11 is fixedly connected to a first gear 12. The outer surface of the first gear 12 is meshed with a second gear 13. The inner wall of the keyway of the gear 13 is fixedly connected to the third rotating shaft 14, the outer surfaces of the second rotating shaft 11 and the third rotating shaft 14 are fixedly connected to the guide roller 15, and one side of the inner side of the guide shell 1 is fixedly connected to the blocking plate 16. When a large number of papers are guided and transported to the inside of the shredder through the guide device, the papers are first neatly stacked together, and the stacked papers are placed inside the guide shell 1 and one end of the papers is in contact with the blocking plate 16. At this time, the paper at the bottom is in contact with the outer surface of the conveying roller 5, and then the motor 7 is started to rotate the first pulley 8. At this time, the second pulley 9 drives the third pulley 8 to rotate under the transmission action of the V-belt. As the first shaft 5 rotates, the conveying roller 6 will rotate and drive the paper through the gap between the blocking plate 16 and the guide shell 1 and enter the area formed by the two mounting plates 3 and the baffle 4. At this time, the paper will fall in the middle position of the two guide rollers 15, and with the rotation of the first pulley 8, the third pulley 10 drives the second shaft 11 to rotate under the transmission action of the V-belt. At this time, the third shaft 14 rotates under the action of the first gear 12 and the second gear 13. At this time, the two guide rollers 15 will rotate at the same time and drive the paper to move downward and enter the interior of the shredder from the feed port of the shredder, thereby completing the guided conveying operation of the paper.

[0024] As an optional technical solution of the present invention, the top side of the guide shell 1 is fixedly connected to two mounting blocks, one side of the two mounting blocks is rotatably connected to a bidirectional screw rod 17 through a bearing, one end of the bidirectional screw rod 17 is fixedly connected to a knob, which can facilitate the rotation of the bidirectional screw rod 17, and the outer surface of the bidirectional screw rod 17 is threadedly connected to two connecting blocks 18, the two screw rods of the bidirectional screw rod 17 have the same pitch, and the two screw rods of the bidirectional screw rod 17 rotate in opposite directions, so that the two connecting blocks 18 can make relative motion at the same time and move the same distance, and the bottom sides of the two connecting blocks 18 are fixedly connected to a U-shaped guide frame 19, and one side of the two U-shaped guide frames 19 are fixed It is connected to a first limit plate 20, and the two U-shaped guide frames 19 are fixedly connected to a movable plate 21 on one side away from the first limit plate 20, and the bottom ends of the two movable plates 21 are fixedly connected to a second limit plate 22. Before guiding the paper, the bidirectional screw rod 17 is rotated. At this time, the two connecting blocks 18 move at the same time, so that the U-shaped guide frame 19 drives the first limit plate 20, the movable plate 21 and the second limit plate 22 to move. The first limit plate 20 and the second limit plate 22 are adjusted to the appropriate position according to the width of the paper, so as to limit the paper so that the paper can only move downward within the internal range of the two first limit plates 20.

[0025] As an optional technical solution of the present invention, a support frame 23 is fixedly connected to one side of the guide shell 1, and a fixed bottom plate 24 is fixedly connected to the bottom end of the support frame 23. The guide shell 1 is supported by the support frame 23, and the support frame 23 and the guide shell 1 and their connecting components can be installed at the top position of the shredder through the fixed bottom plate 24. The structural diagram after installation is as shown in FIG. Figure 5 shown.

[0026] As an optional technical solution of the present invention, a portion of the conveying roller 6 is located inside the receiving groove 2, the position of the conveying roller 6 corresponds to the position of the blocking plate 16, there is a gap between the conveying roller 6 and the blocking plate 16, and the diameter of the conveying roller 6 is greater than the thickness of the blocking plate 16, which can better move the paper downward from the gap between the conveying roller 6 and the blocking plate 16.

[0027] As an optional technical solution of the present invention, the second rotating shaft 11 and the third rotating shaft 14 both pass through the mounting plate 3, and the second rotating shaft 11 and the third rotating shaft 14 are both rotatably connected to the mounting plate 3 through bearings, supporting the second rotating shaft 11 and the third rotating shaft 14, ensuring the stability of the second rotating shaft 11 and the third rotating shaft 14 during rotation, and the guide roller 15 is located inside the space formed by the two mounting plates 3.

[0028] As an optional technical solution of the present invention, the blocking plate 16 is located inside the U-shaped guide frame 19, and the U-shaped guide frame 19 is slidingly connected to the blocking plate 16, which can guide the U-shaped guide frame 19 so that the U-shaped guide frame 19 can only move linearly along the direction of the blocking plate 16.

[0029] As an optional technical solution of the present invention, the first limit plate 20 is located inside the guide shell 1, and the first limit plate 20 is slidingly connected to the guide shell 1, so that the first limit plate 20 can move smoothly, and the second limit plate 22 is located inside the interval formed by the two mounting plates 3 and the guide plate 4. A through hole is opened on one side of the second limit plate 22, and the through hole corresponds to the center position of the guide roller 15. The diameter of the through hole is larger than the diameter of the guide roller 15, which can ensure that the second blocking plate 22 can move smoothly.

[0030] A paper guide device for a paper shredder, the working principle of which is as follows:

[0031] 1) Rotate the bidirectional screw 17, and the two connecting blocks 18 move simultaneously, so that the U-shaped guide frame 19 drives the first limiting plate 20, the movable plate 21, and the second limiting plate 22 to move. Adjust the first limiting plate 20 and the second limiting plate 22 to the appropriate position according to the width of the paper;

[0032] 2) Stack the papers neatly and place them inside the guide housing 1 so that the stacked papers are located between the two first limiting plates 20 and one end of the papers is in contact with the blocking plate 16. At this time, the papers at the bottom are in contact with the outer surface of the conveying roller 5.

[0033] 3) Start the motor 7 to rotate the first pulley 8. At this time, the second pulley 9 drives the first rotating shaft 5 to rotate under the transmission action of the V-belt. At this time, the conveying roller 6 will rotate and drive the paper to pass through the gap between the blocking plate 16 and the guide shell 1 and enter the area formed by the two mounting plates 3 and the baffle 4. At this time, the paper will fall in the middle position of the two guide rollers 15, and with the rotation of the first pulley 8, the third pulley 10 drives the second rotating shaft 11 to rotate under the transmission action of the V-belt. At this time, the third rotating shaft 14 rotates under the action of the first gear 12 and the second gear 13. At this time, the two guide rollers 15 will rotate at the same time and drive the paper to move downward and enter the interior of the shredder from the feed port of the shredder, thereby completing the guided conveying operation of the paper.

[0034] To sum up, the paper guiding device for the shredder, through the coordinated arrangement of the guide shell 1, the receiving slot 2, the mounting plate 3, the baffle 4, the first rotating shaft 5, the conveying roller 6, the motor 7, the first pulley 8, the second pulley 9, the third pulley 10, the second rotating shaft 11, the first gear 12, the second gear 13, the third rotating shaft 14, the guide roller 15 and the blocking plate 16, can guide the paper when a large amount of paper is shredded, and the paper automatically enters the interior of the shredder, thereby making the operation of shredding a large amount of paper simpler, reducing the labor intensity of the operator, and ensuring the efficiency of shredding. Through the coordinated arrangement of the bidirectional screw 17, the connecting block 18, the guide frame 19, the first limiting plate 20, the movable plate 21 and the second limiting plate 22, the first limiting plate 20 and the second limiting plate 22 can be adjusted to the appropriate position according to the width of the paper, so that the limiting and guiding operation can be performed on paper of a larger width, avoiding the position deviation of the paper during the movement, so that the subsequent shredding operation of the paper is better.

Claims

1. A paper guide device for a paper shredder, characterized by: The invention comprises a guide shell (1) arranged obliquely, a receiving groove (2) being provided on one side of the guide shell (1), two right-angled triangle-shaped mounting plates (3) being fixedly connected to the bottom end of the guide shell (1), a baffle (4) being fixedly connected to one side of the two mounting plates (3), two support blocks being fixedly connected to the bottom side of the guide shell (1), a first rotating shaft (5) being rotatably connected to one side of the two support blocks via bearings, a conveying roller (6) being fixedly connected to the outer surface of the first rotating shaft (5), a motor (7) being fixedly installed on one side of the guide shell (1), a first pulley (8) being fixedly connected to the output end of the motor (7), and the first pulley The wheel (8) is connected to a second pulley (9) and a third pulley (10) fixedly connected to the first rotating shaft (5) through a V-belt transmission, the inner wall of the keyway of the third pulley (10) is fixedly connected to the second rotating shaft (11), the outer surface of the second rotating shaft (11) is fixedly connected to the first gear (12), the outer surface of the first gear (12) is meshed with the second gear (13), the inner wall of the keyway of the second gear (13) is fixedly connected to the third rotating shaft (14), the outer surfaces of the second rotating shaft (11) and the third rotating shaft (14) are fixedly connected to a guide roller (15), and a blocking plate (16) is fixedly connected to one side of the inside of the guide shell (1).

2. A paper guide device for a paper shredder according to claim 1, characterized in that: The top side of the guide shell (1) is fixedly connected to two mounting blocks, one side of the two mounting blocks is rotatably connected to a bidirectional screw rod (17) through a bearing, the outer surface of the bidirectional screw rod (17) is threadedly connected to two connecting blocks (18), the bottom sides of the two connecting blocks (18) are fixedly connected to a U-shaped guide frame (19), one side of the two U-shaped guide frames (19) are fixedly connected to a first limiting plate (20), the sides of the two U-shaped guide frames (19) away from the first limiting plate (20) are fixedly connected to a movable plate (21), and the bottom ends of the two movable plates (21) are fixedly connected to a second limiting plate (22).

3. The paper guide device for a shredder according to claim 2, characterized in that: One side of the guide shell (1) is fixedly connected to a support frame (23), and the bottom end of the support frame (23) is fixedly connected to a fixed bottom plate (24).

4. The paper guide device for a shredder according to claim 3, characterized in that: A portion of the conveying roller (6) is located inside the receiving groove (2), the position of the conveying roller (6) corresponds to the position of the blocking plate (16), there is a gap between the conveying roller (6) and the blocking plate (16), and the diameter of the conveying roller (6) is greater than the thickness of the blocking plate (16).

5. The paper guide device for a shredder according to claim 4, characterized in that: The second rotating shaft (11) and the third rotating shaft (14) both pass through the mounting plate (3); the second rotating shaft (11) and the third rotating shaft (14) are both rotatably connected to the mounting plate (3) via bearings; and the guide roller (15) is located inside the space formed by the two mounting plates (3).

6. The paper guide device for a shredder according to claim 5, characterized in that: The blocking plate (16) is located inside the U-shaped guide frame (19), and the U-shaped guide frame (19) is slidably connected to the blocking plate (16).

7. The paper guide device for a paper shredder according to claim 6, characterized in that: The first limiting plate (20) is located inside the guide shell (1), and the first limiting plate (20) is slidably connected to the guide shell (1). The second limiting plate (22) is located inside the interval formed by the two mounting plates (3) and the baffle (4). A through-hole is provided on one side of the second limiting plate (22), and the through-hole corresponds to the center position of the guide roller (15). The diameter of the through-hole is larger than the diameter of the guide roller (15).

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