File crusher for accountants

Abstract

The utility model discloses a file crusher for accountants, which relates to the field of file crushers and comprises a box body, a collecting box is slidably connected below an inner cavity of the box body, a handle is mounted on an end plate of the collecting box, an opening at the top end of the box body is fixedly connected with a plurality of inclined plates, and a paper hole is formed between low points of the two inclined plates. A cover body is installed at one end of the box body, a motor is installed on an end plate of the cover body, the output end of the motor is connected with a hobbing mechanism, and the hobbing mechanism is connected with a transverse cutting mechanism through a transmission mechanism. The rolling cutting mechanism is used for pulling a file downwards and vertically cutting the file; the transmission mechanism is used for transmitting power of the hobbing mechanism. By arranging the transmission mechanism and the transverse cutting mechanism, vertically cut files can be transversely cut, and the files are further crushed to form small square chippings, so that the crushing effect is improved, and the confidentiality of the crushed files is improved.

Description

Technical Field

[0001] The utility model relates to the field of document shredders, in particular to an accounting document shredder. Background Art

[0002] Units should regularly appraise accounting files that have reached their retention period and prepare an appraisal opinion on the accounting files. Accounting files that still need to be retained after appraisal should have their retention period redefined; accounting files that have expired and have no preservation value may be destroyed.

[0003] Existing shredders are generally vertical cutting shredders, which cut documents into thinner long strips. However, documents in this state can still be reassembled by splicing the shredded documents, thereby obtaining some confidential matters within the unit. Therefore, this type of shredder has low confidentiality and has room for further improvement. Utility Model Content

[0004] The purpose of the utility model is to provide an accounting document shredder in order to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an accounting document shredder, comprising a box body, a collection box is slidably connected to the lower part of the inner cavity of the box body, a handle is installed on the end plate of the collection box, a top opening of the box body is fixedly connected to an inclined plate, a paper hole is formed between the two low points of the inclined plates, a cover body is installed at one end of the box body, a motor is installed on the end plate of the cover body, a rolling cutting mechanism is connected to the output end of the motor, and the rolling cutting mechanism is connected to the cross-cutting mechanism through a transmission mechanism;

[0006] The rolling cutting mechanism is used to pull the document downward and perform vertical cutting;

[0007] The transmission mechanism is used to transmit the power of the rolling cutting mechanism and transmit the power to the cross-cutting mechanism;

[0008] The cross-cutting mechanism in operation is used to cross-cut the documents again after being cut vertically, so as to further shred the documents.

[0009] As a further solution of the utility model: the rolling mechanism includes two driving gears rotatably connected to the inner cavity of the cover body, the two driving gears are meshed with each other, and the motor is connected to the center of one of the driving gears, and the centers of the other ends of the two driving gears are connected to upper synchronous wheels, the upper synchronous wheels are connected to lower synchronous wheels through synchronous belt transmission, and the lower synchronous wheels are rotatably connected to the inner cavity of the cover body;

[0010] The end of the upper synchronous wheel away from the driving gear is connected to a rotating shaft, and one end of the rotating shaft penetrates the inner cavity of the box body and is connected to the conveying wheel;

[0011] One end of the lower synchronous wheel away from the driving gear is connected to a rotating shaft, and one end of the rotating shaft penetrates into the inner cavity of the box body and is connected to the vertical cutting knife group.

[0012] As a further solution of the utility model: the transmission mechanism includes a tooth block formed on the outer periphery of the lower synchronous wheel end plate, a transmission gear is meshed below the tooth block, a half gear is coaxially connected to one end of the transmission gear, and the half gear is rotatably connected to the inner cavity of the cover body through a rotating shaft.

[0013] As a further solution of the utility model: a rack is meshed below the half gear, the end of the rack is connected to a limit block, a cross-cutting blade is connected to the end of the limit block away from the inner wall of the box, and a spring is connected between the limit block and the inner wall of the box.

[0014] As a further solution of the utility model: a limiting groove for sliding of the two limiting blocks is opened inside the box body, and the limiting groove is opened along the width direction of the box body.

[0015] As a further solution of the utility model: the outer peripheral surfaces of the rollers of the two groups of the conveying wheels are in contact with each other, the cutting blades on the two groups of the vertical cutting knife groups are staggered with each other, and the planar ends of the vertical cutting knife groups are in contact with each other.

[0016] As a further solution of the utility model: a magnetic strip is fixedly connected to one side of the end plate of the collection box close to the box body, and the magnetic strip is magnetically connected to the outer wall of the box body.

[0017] As a further solution of the utility model: the inner cavity of the cover body is connected to a tensioning wheel for limiting the outer side of the synchronous belt through a rotating shaft.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. By setting up the transmission mechanism and the cross-cutting mechanism, the documents that have been cut vertically can be cut horizontally, and the documents can be further crushed to form small square-shaped debris, thereby improving the crushing effect and enhancing the confidentiality of the documents after crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the connection between the rolling cutting mechanism and the cover body of the utility model;

[0022] Figure 3 For the utility model Figure 2 A partial enlarged view of the middle part;

[0023] Figure 4 It is a schematic diagram of the installation of the conveying wheel and the vertical cutting assembly of the utility model;

[0024] Figure 5 For the utility model Figure 4 A partial enlarged view of point B in the middle;

[0025] Figure 6 It is a schematic diagram of the positions of adjacent blades in two sets of vertical cutting knife groups of the utility model;

[0026] Figure 7 It is a schematic diagram of two sets of cross-cutting blades of the utility model.

[0027] In the figure: 1. box body; 2. collection box; 3. handle; 4. inclined plate; 5. paper hole; 6. cover body; 7. motor; 8. driving gear; 9. synchronous belt; 10. upper synchronous wheel; 11. tensioning wheel; 12. lower synchronous wheel; 13. tooth block; 14. transmission gear; 15. half gear; 16. rack; 17. conveyor wheel; 18. vertical cutting knife group; 19. limit groove; 20. cross cutting blade; 21. limit block; 22. spring. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] See also Figure 1 to Figure 7 In the embodiment of the utility model, an accounting document shredder comprises a box body 1, a collection box 2 is slidably connected to the lower part of the inner cavity of the box body 1, a handle 3 is installed on the end plate of the collection box 2, an inclined plate 4 is fixedly connected to the top opening of the box body 1, a paper hole 5 is formed between the low points of the two inclined plates 4, a cover body 6 is installed at one end of the box body 1, a motor 7 is installed on the end plate of the cover body 6, a rolling cutting mechanism is connected to the output end of the motor 7, and the rolling cutting mechanism is connected to the cross-cutting mechanism through a transmission mechanism;

[0030] The rolling cutting mechanism is used to pull the document downward and make vertical cuts;

[0031] The transmission mechanism is used to transmit the power of the rolling cutting mechanism and transmit the power to the cross-cutting mechanism;

[0032] The cross-cutting mechanism in operation is used to cross-cut the documents again after being cut vertically, so as to further shred the documents.

[0033] In this embodiment, when the document is to be shredded, the motor 7 is started, and the motor 7 drives the rolling and cutting mechanism to rotate. At this time, the document to be shredded is put downward from the paper hole 5. When the document moves downward, it contacts the rolling and cutting mechanism, and the rolling and cutting mechanism pulls the document downward and cuts it vertically.

[0034] At the same time, the rolling cutting mechanism drives the cross-cutting mechanism to reciprocate through the transmission mechanism, and the reciprocating cross-cutting mechanism further shreds the documents that have been cut vertically.

[0035] Please refer to Figure 2 , Figure 3 , Figure 4 and Figure 6 The rolling mechanism includes two driving gears 8 rotatably connected to the inner cavity of the cover body 6, the two driving gears 8 mesh with each other, and the motor 7 is connected to the center of one driving gear 8, and the centers of the other ends of the two driving gears 8 are connected to an upper synchronous wheel 10, and the upper synchronous wheel 10 is connected to a lower synchronous wheel 12 through a synchronous belt 9, and the lower synchronous wheel 12 is rotatably connected to the inner cavity of the cover body 6, and the inner cavity of the cover body 6 is connected to a tensioning wheel 11 for limiting the outer side of the synchronous belt 9 through a rotating shaft;

[0036] The end of the upper synchronous wheel 10 away from the driving gear 8 is connected to a rotating shaft, and one end of the rotating shaft penetrates the inner cavity of the box body 1 and is connected to the conveying wheel 17;

[0037] The end of the lower synchronous wheel 12 away from the driving gear 8 is connected to a rotating shaft, and one end of the rotating shaft penetrates the inner cavity of the box body 1 and is connected to the vertical cutting knife group 18;

[0038] The outer peripheral surfaces of the rollers of the two groups of conveying wheels 17 are in contact with each other, the cutting blades on the two groups of vertical cutting knife groups 18 are offset from each other, and the plane ends of the vertical cutting knife groups 18 are in contact with each other.

[0039] In this embodiment: by starting the motor 7, the motor 7 drives a driving gear 8 to rotate, and the driving gear 8 drives another driving gear 8 to rotate in the opposite direction, and the two driving gears 8 simultaneously drive the two upper synchronous wheels 10 to rotate, and the two upper synchronous wheels 10 drive the lower synchronous wheel 12 to rotate through the synchronous belt 9;

[0040] At this time, the two upper synchronous wheels 10 in the rotating state drive the two sets of conveying wheels 17 to rotate toward each other through the rotating shaft, so as to rotate and pull down the documents put into the paper hole 5 for conveyance;

[0041] The two lower synchronous wheels 12 in a rotating state drive the two sets of vertical cutting knife groups 18 to rotate toward each other through the rotating shaft, so as to vertically cut the documents moving downward.

[0042] Please refer to Figure 2 and Figure 3 The transmission mechanism includes a tooth block 13 formed on the outer periphery of the end plate of the lower synchronous wheel 12, a transmission gear 14 is meshed below the tooth block 13, one end of the transmission gear 14 is coaxially connected to a half gear 15, the half gear 15 is rotatably connected to the inner cavity of the cover body 6 through a rotating shaft, a rack 16 is meshed below the half gear 15, the end of the rack 16 is connected to a limit block 21, and a cross-cutting blade 20 is connected to the end of the limit block 21 away from the inner wall of the box body 1, and a spring 22 is connected between the limit block 21 and the inner wall of the box body 1.

[0043] In this embodiment: when the lower synchronous wheel 12 rotates, the lower synchronous wheel 12 drives the transmission gear 14 to rotate. At this time, the transmission gear 14 rotates in the opposite direction to the lower synchronous wheel 12. The transmission gear 14 drives the half gear 15 to rotate. During the rotation process, the half gear 15 meshes with the rack 16 in the initial position.

[0044] The two half gears 15 pull the two racks 16 to move toward each other, and the two racks 16 drive the limit blocks 21 to move, and the two limit blocks 21 push the cross-cutting blades 20 to move toward each other. At this time, the spring 22 is stretched, and the cross-cutting blades 20 cut the documents that have been cut vertically horizontally to further shred the documents.

[0045] Please refer to Figure 5 A limiting groove 19 for two limiting blocks 21 to slide is provided inside the box body 1 , and the limiting groove 19 is provided along the width direction of the box body 1 .

[0046] In this embodiment: during the sliding process of the limiting block 21 , the limiting groove 19 provides movement guidance for the limiting block 21 .

[0047] Please refer to Figure 1 A magnetic strip is fixedly connected to one side of the end plate of the collecting box 2 close to the box body 1 , and the magnetic strip is magnetically connected to the outer wall of the box body 1 .

[0048] In this embodiment: when the collection box 2 is inside the box body 1, the magnetic strip is adsorbed on the iron shell of the box body 1. When it is necessary to open the collection box 2 to dump the shredded documents in the collection box 2, the handle 3 is pulled to overcome the magnetic attraction between the two, and the collection box 2 can be pulled open.

[0049] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An accounting document shredder, comprising a box (1), a collection box (2) is slidably connected to the lower inner cavity of the box (1), a handle (3) is installed on the end plate of the collection box (2), the top opening of the box (1) is fixedly connected to an inclined plate (4), a paper hole (5) is formed between the low points of the two inclined plates (4), and a cover (6) is installed at one end of the box (1), characterized in that: A motor (7) is mounted on the end plate of the cover body (6); an output end of the motor (7) is connected to a rolling mechanism, and the rolling mechanism is connected to a cross-cutting mechanism via a transmission mechanism; The rolling cutting mechanism is used to pull the document downward and cut it vertically; The transmission mechanism is used to transmit the power of the rolling cutting mechanism and transmit the power to the cross-cutting mechanism; The cross-cutting mechanism in operation is used to cross-cut the documents again after being cut vertically, so as to further shred the documents; The rolling mechanism comprises two driving gears (8) rotatably connected to the inner cavity of the cover body (6), the two driving gears (8) mesh with each other, and the motor (7) is connected to the center of one of the driving gears (8), and the centers of the other ends of the two driving gears (8) are both connected to an upper synchronous wheel (10), and the upper synchronous wheel (10) is connected to a lower synchronous wheel (12) through a synchronous belt (9), and the lower synchronous wheel (12) is rotatably connected to the inner cavity of the cover body (6); The end of the upper synchronous wheel (10) away from the driving gear (8) is connected to a rotating shaft, and one end of the rotating shaft penetrates the inner cavity of the box body (1) and is connected to the conveying wheel (17); The end of the lower synchronous wheel (12) away from the driving gear (8) is connected to a rotating shaft, and one end of the rotating shaft penetrates the inner cavity of the box body (1) and is connected to the vertical cutting knife group (18); The transmission mechanism comprises a tooth block (13) formed on the outer periphery of the end plate of the lower synchronous wheel (12); a transmission gear (14) is meshed below the tooth block (13); one end of the transmission gear (14) is coaxially connected to a half gear (15); the half gear (15) is rotatably connected to the inner cavity of the cover body (6) via a rotating shaft; A rack (16) is meshed below the half gear (15), the end of the rack (16) is connected to a limit block (21), one end of the limit block (21) away from the inner wall of the box body (1) is connected to a cross-cutting blade (20), and a spring (22) is connected between the limit block (21) and the inner wall of the box body (1).

2. The accounting document shredder according to claim 1, characterized in that: A limiting groove (19) for the two limiting blocks (21) to slide is provided inside the box body (1), and the limiting groove (19) is provided along the width direction of the box body (1).

3. The accounting document shredder according to claim 1, characterized in that: The outer peripheral surfaces of the rollers of the two groups of conveying wheels (17) are in contact with each other, the cutting blades on the two groups of vertical cutting knife groups (18) are offset from each other, and the plane ends of the vertical cutting knife groups (18) are in contact with each other.

4. The accounting document shredder according to claim 1, characterized in that: A magnetic strip is fixedly connected to one side of the end plate of the collection box (2) close to the box body (1), and the magnetic strip is magnetically connected to the outer wall of the box body (1).

5. The accounting document shredder according to claim 1, characterized in that: The inner cavity of the cover body (6) is connected to a tensioning wheel (11) via a rotating shaft for limiting the outer side of the synchronous belt (9).

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