Printer with paper shredding function
By introducing components such as active rollers, driven rollers, transmission mechanisms and grinding boxes into the printer, efficient paper shredding is achieved, solving the problem of information leakage caused by poor crushing effect of existing printers, and improving the security and privacy protection capabilities of the printer.
Patent Information
- Application Number
- CN202421337891.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The crushing device of existing printers has poor crushing effect, resulting in a high risk of information leakage on paper.
A printer with shredding function is designed, including active rollers, driven rollers, transmission mechanisms, deflectors, grinding boxes and grinding plates. The paper is crushed by driving the active rollers and driven rollers through transmission, and the paper is further crushed by using the grinding plates meshed with bevel gears and bevel rings in the grinding box to reduce the risk of information leakage.
Effectively crush paper, reduce the risk of information leakage, improve the quality of crushing, and ensure the security and privacy protection of printer use.
Smart Images

Figure CN223072177U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of printers, in particular to a printer with a paper shredding function. Background Art
[0002] Printers are used to print electronic documents into paper documents. People have become inseparable from this common office equipment for work and study. However, sometimes unnecessary documents are printed due to mistakes, or too many copies are printed, or the documents printed cannot be used due to lack of ink in the ink cartridge. If these discarded paper documents are not processed, they may lead to the leakage of secrets or privacy. Generally, shredders are used to process discarded paper documents.
[0003] The shredding effect of the existing shredding device is not very good. After shredding, there are still large pieces of paper, which will still cause the information on the paper to leak and is inconvenient to use. Therefore, a printer with a shredding function is proposed to solve the above problem. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a printer with a paper shredding function, which has the advantages of good shredding effect and difficulty in leakage of paper information. It solves the problem that after shredding, there are still large pieces of paper, which still leads to leakage of information on the paper and is inconvenient to use.
[0005] To achieve the above object, the utility model provides the following technical solution: a printer with a paper shredding function, comprising a printer body, a shredding box is fixedly connected to the bottom of the printer body, and a shredding assembly is arranged inside the shredding box;
[0006] The pulverizing assembly comprises an active roller and a driven roller, both of which are rotatably connected to the inside of a pulverizing box, a transmission mechanism is arranged on the back of the pulverizing box, a guide plate is fixedly connected to the inside of the pulverizing box, a grinding box is fixedly connected to the bottom of the guide plate, a second motor is fixedly connected to the inside of the grinding box, a bevel gear is fixedly connected to one end of an output shaft of the second motor, an annular plate is fixedly connected to the inside of the grinding box, a sliding plate is slidably connected to the inside of the annular plate, a grinding plate is fixedly connected to the bottom of the sliding plate, and a bevel gear ring is fixedly connected to the outer surface of the grinding plate.
[0007] Furthermore, a waste paper inlet is provided at the top of the shredding box, and the transmission mechanism includes a first motor, which is fixedly connected to the outer surface of the shredding box, a driving pulley is fixedly connected to the output shaft of the first motor, a driven pulley is fixedly connected to the back side of the driving roller, and a transmission belt is connected to the outer surface of the driving pulley and the driven pulley.
[0008] Furthermore, a number of crushing tooth pieces are fixedly connected to the outer surfaces of the driving roller and the driven roller, and the shapes of the number of crushing tooth pieces are all trapezoidal pieces.
[0009] Furthermore, the deflector has a C-shaped configuration, and the number thereof is two. The two deflectors are distributed symmetrically on both sides of the driving roller and the driven roller.
[0010] Furthermore, a mounting plate is fixedly connected inside the grinding box, the second motor is fixedly connected inside the grinding box through the mounting plate, the number of the annular plates is two, the number of the sliding plates is two, and the two sliding plates slide inside the two annular plates respectively.
[0011] Furthermore, a collection box is placed inside the crushing box, and handles are fixedly connected to both the left and right sides of the collection box.
[0012] Compared with the prior art, the technical solution of the present application has the following beneficial effects:
[0013] 1. For the printer with a paper shredding function, when a printing error occurs during the printing process of the printer body, the first motor is started to drive the driving pulley and the driven pulley, which are connected by the transmission belt, to drive the driving roller and the driven roller to perform a crushing operation. After the printed waste paper is thrown into the crushing box for crushing, the paper fragments will enter the grinding box again. The second motor is started to drive the bevel gear to rotate and mesh with the bevel gear ring. When the two grinding plates have grinding teeth, the paper is further crushed, so as to avoid information leakage as much as possible during the paper crushing process and improve the crushing quality.
[0014] 2. For the printer with a paper shredding function, by fixedly connecting two deflectors inside the crushing box, the two deflectors enable the printed waste paper to better enter the grinding box during crushing, thereby reducing the risk of information leakage and improving the crushing quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is the main sectional view of the structure of the present utility model;
[0016] Figure 2 is the top view of the transmission mechanism of the structure of the present utility model;
[0017] Figure 3 is the three-dimensional view of the bevel gear and the bevel gear ring of the structure of the present utility model;
[0018] Figure 4 is the top view of the grinding plate of the structure of the present utility model.
[0019] In the figure: 1. Printer body; 2. Shredding box; 3. Driving roller; 4. Driven roller; 5. First motor; 6. Driving pulley; 7. Driven pulley; 8. Transmission belt; 9. Deflector; 10. Grinding box; 11. Second motor; 12. Bevel gear; 13. Annular plate; 14. Sliding plate; 15. Grinding plate; 16. Bevel gear ring; 17. Grinding teeth. Detailed implementation manners
[0020] 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0021] Please refer to Figures 1-4 , a printer with a shredding function in this embodiment includes a printer body 1. A shredding box 2 is fixedly connected to the bottom of the printer body 1, and a shredding component is arranged inside the shredding box 2; the shredding component includes a driving roller 3 and a driven roller 4. A plurality of shredding teeth are fixedly connected to the outer surfaces of the driving roller 3 and the driven roller 4. The shapes of the plurality of shredding teeth are all trapezoidal pieces. The driving roller 3 and the driven roller 4 are both rotatably connected inside the shredding box 2. A transmission mechanism is arranged on the back of the shredding box 2.
[0022] A waste paper inlet is opened at the top of the shredding box 2. The transmission mechanism includes a first motor 5. The first motor 5 is fixedly connected to the outer surface of the shredding box 2. A driving pulley 6 is fixedly connected to the output shaft of the first motor 5. A driven pulley 7 is fixedly connected to the back of the driving roller 3. A transmission belt 8 is drivingly connected to the outer surfaces of the driving pulley 6 and the driven pulley 7.
[0023] A deflector 9 is fixedly connected inside the shredding box 2. The shape of the deflector 9 is C-shaped, and the number thereof is two. The two deflectors 9 are symmetrically distributed on both sides of the driving roller 3 and the driven roller 4.
[0024] The bottom of the deflector 9 is fixedly connected to a grinding box 10. A second motor 11 is fixedly connected inside the grinding box 10. One end of the output shaft of the second motor 11 is fixedly connected to a bevel gear 12. An annular plate 13 is fixedly connected inside the grinding box 10. A sliding plate 14 is slidably connected inside the annular plate 13. The number of the annular plates 13 is two, and the number of the sliding plates 14 is two. The two sliding plates 14 slide inside the two annular plates 13 respectively.
[0025] The bottom of the sliding plate 14 is fixedly connected with a grinding plate 15. The outer surface of the grinding plate 15 is fixedly connected with a bevel gear ring 16. The number of grinding plates 15 is two. A number of grinding teeth 17 are provided on the opposite sides of the two grinding plates 15. Direction grooves are provided inside both of the two grinding plates 15. A collection box is placed inside the crushing box 2. Pull handles are fixedly connected to the left and right sides of the collection box.
[0026] In this embodiment, by fixedly connecting two flow guiding plates 9 inside the crushing box 2, the existence of the two flow guiding plates 9 enables the waste paper after printing to better enter the grinding box 10 during crushing, thereby reducing the risk of information leakage and improving the crushing quality.
[0027] In this embodiment, by providing two grinding plates 15 and grinding teeth 17, the existence of large paper pieces can be reduced during the grinding of waste paper, thereby expanding the application range of the device.
[0028] The working principle of the above embodiment is as follows:
[0029] For this printer with a paper shredding function, when a printing error occurs during the printing process of the printer body 1, the first motor 5 will be started to drive the driving pulley 6 and the driven pulley 7 to drive the driving roller 3 and the driven roller 4 to perform a crushing operation under the connection of the transmission belt 8. After the printed waste paper is thrown into the crushing box 2 for crushing, the paper fragments will enter the grinding box 10 again. The second motor 11 is started to drive the bevel gear 12 to rotate, which meshes with the bevel gear ring 16. With the grinding teeth 17 on the two grinding plates 15, the paper is further crushed, so as to avoid information leakage as much as possible during the paper crushing process and improve the crushing quality.
[0030] It should be noted that the standard parts used in the application can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt mature bolts, rivets, welding and other conventional means in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art; in addition, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.
[0031] It should be noted that in this text, 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 variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent in such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.
[0032] Although 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 principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A printer with a paper shredding function, comprising a printer body (1), characterized in that: The bottom of the printer body (1) is fixedly connected to a crushing box (2), and a crushing assembly is arranged inside the crushing box (2); The pulverizing assembly comprises an active roller (3) and a driven roller (4), the active roller (3) and the driven roller (4) are both rotatably connected to the inside of a pulverizing box (2), a transmission mechanism is arranged on the back of the pulverizing box (2), a guide plate (9) is fixedly connected to the inside of the pulverizing box (2), a grinding box (10) is fixedly connected to the bottom of the guide plate (9), a second motor (11) is fixedly connected to the inside of the grinding box (10), a bevel gear (12) is fixedly connected to one end of the output shaft of the second motor (11), an annular plate (13) is fixedly connected to the inside of the grinding box (10), a sliding plate (14) is slidably connected to the inside of the annular plate (13), a grinding plate (15) is fixedly connected to the bottom of the sliding plate (14), and a bevel gear ring (16) is fixedly connected to the outer surface of the grinding plate (15).
2. The printer with a shredding function according to claim 1, characterized in that: The top of the crushing box (2) is provided with a waste paper inlet, and the transmission mechanism comprises a first motor (5), the first motor (5) is fixedly connected to the outer surface of the crushing box (2), the output shaft of the first motor (5) is fixedly connected to a driving pulley (6), the back side of the driving roller (3) is fixedly connected to a driven pulley (7), and the outer surfaces of the driving pulley (6) and the driven pulley (7) are connected to each other with a transmission belt (8).
3. The printer with a paper shredding function according to claim 1, characterized in that: A plurality of crushing teeth are fixedly connected to the outer surfaces of the active roller (3) and the driven roller (4), and the shapes of the plurality of crushing teeth are all trapezoidal.
4. A printer with a shredding function according to claim 1, characterized in that: The guide plates (9) are C-shaped and are two in number. The two guide plates (9) are symmetrically distributed on both sides of the active roller (3) and the driven roller (4).
5. A printer with a shredding function according to claim 1, characterized in that: The grinding box (10) is fixedly connected to a mounting plate inside, and the second motor (11) is fixedly connected to the inside of the grinding box (10) via the mounting plate. The number of the annular plates (13) is two, and the number of the sliding plates (14) is two, and the two sliding plates (14) slide inside the two annular plates (13) respectively.
6. The printer with a paper shredding function according to claim 1, wherein: There are two grinding plates (15), and a plurality of grinding teeth (17) are provided on opposite sides of the two grinding plates (15). Directional grooves are provided inside the two grinding plates (15).
7. A printer with a shredding function according to claim 1, characterized in that: A collection box is placed inside the crushing box (2), and handles are fixedly connected to the left and right sides of the collection box.