Paper rolling prevention paper shredder with replaceable cutter
By designing replaceable tool and push plate structure in the shredder, the cumbersome problem of blade replacement in the traditional shredder is solved, and more efficient blade replacement and crushing efficiency is achieved.
Patent Information
- Application Number
- CN202420910579.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The blades of traditional shredders may decrease sharpness or deformation after use for a period of time, resulting in the need to replace the blades, but traditional blade replacement requires disassembly and assemble the entire crushing roller, which increases the installation workload.
An anti-roll shredder with replaceable tools is designed. By setting the blade parts and pushing plate structure, the user can rotate the blade table along the screw for disassembly and installation, simplifying the blade replacement process and pushing the plate with the push plate The screw and synchronous rod are designed to allow the paper to be crushed from different locations.
It improves the efficiency of blade replacement, reduces installation workload, and improves the crushing efficiency of the paper shredder, so that paper can be crushed from different locations.
Smart Images

Figure CN222446749U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of paper shredders, in particular to an anti-rolling paper shredder with replaceable cutters. Background Art
[0002] A shredder is a device specially used to process confidential documents, bank cards, credit cards, folders and other items. By cutting these items into small pieces, it ensures that confidential information cannot be stolen. A shredder can process confidential information, such as bank bills, social security cards, ID cards, and company confidential documents. Using a shredder is a safe and reliable method to protect the information security of enterprises and individuals. The shredder is simple to operate and easy to use, avoiding the tediousness of manually tearing documents into pieces. Users only need to put the documents into the shredder and press a button to complete the processing. The shredder also has a variety of functions, such as a flip function, which can help solve the problem of file jams and make it more convenient for users to use.
[0003] However, traditional paper shredders have the following disadvantages:
[0004] After a period of time, the blades on traditional shredders may become less sharp or deformed, and people need to replace the blades. Traditional blade replacement requires disassembly and replacement of the entire shredding roller, which increases the subsequent installation workload. Utility Model Content
[0005] The purpose of the utility model is to provide an anti-rolling paper shredder with replaceable blades, so as to solve the problem that the blade sharpness of the blade of the traditional shredder mentioned in the above background technology may decrease or the blade may be deformed after shredding for a period of time, and people need to replace the blade. The traditional blade replacement requires the entire shredding roller to be disassembled and replaced, which increases the subsequent installation workload of people.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-rolling paper shredder with replaceable knives, comprising a shredder shell, a collecting shell is clamped and installed at the bottom end of one side of the shredder shell, a supporting mechanism is fixedly installed at the bottom end of the inner wall of the collecting shell, the supporting mechanism comprises a supporting plate and a plurality of supporting springs, the top ends of the plurality of supporting springs are fixedly connected to the bottom end of the supporting plate, mounting plates are fixedly installed at the top ends of the two sides of the inner wall of the shredder shell, the top ends of the two mounting plates on opposite sides are rotatably connected to driving gears, and the two mounting plates are relatively The bottom end of one side is rotatably connected with a driven gear, and a connecting roller is fixedly installed between the two driving gears and between the two driven gears. A plurality of blade members are fixedly installed on the surfaces of the two connecting rollers, and the plurality of blade members include a limiting plate and a fixed shell, one side of the fixed shell is fixedly connected to one end of the limiting plate, and two pushing plates are provided on one side of the limiting plate, and screws are rotatably installed on one end of the two pushing plates, and a blade table is threadedly connected to one side of the two screws away from the pushing plate, and a plurality of knife blocks are fixedly installed on the surface of the two blade tables.
[0007] Preferably, the bottom ends of several of the support springs are fixedly connected to the side directly opposite to the collecting shell, the support plate is slidably connected to the collecting shell, the support springs are elastic, and the support springs support the support plate from the bottom.
[0008] Preferably, a push plate screw is installed in the middle of the limit plate, and both ends of one side of the limit plate are rotatably connected to an angle rod, and one end of the two angle rods away from the limit plate are respectively rotatably connected to the side opposite to the two push plates. Both ends of the push plate screw are rotatably connected to a synchronous rod, and the two synchronous rods are rotatably connected to the side opposite to the two push plates away from the push plate screw. The inner side of the fixed shell is fixedly connected to the connecting roller. The maintenance personnel rotate the push plate screw, and the push plate screw slides along the limit plate, and the push plate screw pushes the angle rod from one side to deflect along the limit plate at an angle, and the synchronous rod deflects synchronously, so that the distance between the two push plates is adjusted, and the user rotates the screw to fix the blade platform on the push plate, which is convenient for the user to replace the knife block on the blade platform.
[0009] Preferably, a servo motor driving the connecting roller to rotate is fixedly installed on the surface of the shredder housing, and the outer sides of the two driving gears are respectively meshed and connected with the outer sides of the two driven gears. The servo motor starts after being energized, and the servo motor drives the connecting roller connected to it to rotate, and the driving gear on the connecting roller rotates synchronously. The driving gear contacts the driven gear, and the driven gear is driven by the friction force to drive the connecting roller connected to it to rotate, and the two connecting rollers respectively drive the blade members connected to them to shred paper.
[0010] Preferably, a paper inlet is provided in the middle of the top of the shredder shell, an operation button is fixedly installed on one side of the top of the shredder shell, a switch is highly installed on the other side of the top of the shredder shell, and grooves are provided at both ends of the shredder shell, and the paper to be shredded is injected into the shredder shell through the paper inlet.
[0011] Preferably, a maintenance door located above the collection shell is hinged on the shredder shell, and the user opens the shredder shell through the maintenance door.
[0012] Preferably, a perspective window is snap-fitted into the middle of one side of the collection shell, a handle is fixedly installed at the top of one side of the collection shell, and a safety switch is fixedly installed at the top of the inner wall of the collection shell. The user can observe the perspective window with naked eyes to understand the collection amount of shredded paper in the collection shell.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] By setting the blade part, when the user needs to replace the blade, the user rotates the blade table along the screw to complete its disassembly and installation, replacing the traditional disassembly and replacement of the roller, thereby improving the efficiency of blade replacement;
[0015] By setting the blade parts, when it is necessary to shred paper from different positions, the user turns the lead screw with the push plate, the angle rod and the synchronization rod are deflected at an angle, and the relative angle between the two push plates is adjusted, so that paper can be shredded from different positions, thereby improving the shredding efficiency of the shredder. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional diagram of the utility model;
[0017] Figure 2 It is a cross-sectional view of the utility model;
[0018] Figure 3 It is a side view of the blade member of the utility model;
[0019] Figure 4 This is a connection diagram between the support mechanism and the collection shell of the utility model.
[0020] In the figure: 1. shredder housing; 2. collection housing; 3. perspective window; 4. handle; 5. safety switch; 6. maintenance door; 7. paper feed port; 8. operation button; 9. switch; 10. groove; 11. servo motor; 12. support mechanism; 121. support plate; 122. support spring; 13. mounting plate; 14. blade member; 141. limit plate; 142. fixed housing; 143. angle rod; 144. blade table; 145. knife block; 146. screw; 147. synchronization rod; 148. push plate; 149. screw with push plate; 15. driven gear; 16. driving gear; 17. connecting roller. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.
[0022] See also Figure 1-4 The utility model provides an anti-rolling paper shredder with replaceable knives, comprising a shredder shell 1, a collecting shell 2 is clamped and installed at the bottom end of one side of the shredder shell 1, a supporting mechanism 12 is fixedly installed at the bottom end of the inner wall of the collecting shell 2, the supporting mechanism 12 comprises a supporting plate 121 and a plurality of supporting springs 122, the top ends of the plurality of supporting springs 122 are fixedly connected to the bottom end of the supporting plate 121, mounting plates 13 are fixedly installed at the top ends of both sides of the inner wall of the shredder shell 1, the top ends of the two mounting plates 13 on the opposite sides are rotatably connected to a driving gear 16, and the bottom ends of the two mounting plates 13 on the opposite sides are rotatably connected to a driven gear 15, A connecting roller 17 is fixedly installed between the two driving gears 16 and between the two driven gears 15. A plurality of blade members 14 are fixedly installed on the surfaces of the two connecting rollers 17. The plurality of blade members 14 include a limiting plate 141 and a fixed shell 142. One side of the fixed shell 142 is fixedly connected to one end of the limiting plate 141. Two pushing plates 148 are provided on one side of the limiting plate 141. Screws 146 are rotatably installed on one end of the two pushing plates 148. A blade table 144 is threadedly connected to the side of the two screws 146 away from the pushing plate 148. A plurality of knife blocks 145 are fixedly installed on the surface of the two blade tables 144.
[0023] The bottom ends of the plurality of support springs 122 are fixedly connected to the side directly opposite to the collecting shell 2, the support plate 121 is slidably connected to the collecting shell 2, the support springs 122 are elastic, and the support springs 122 support the support plate 121 from the bottom.
[0024] A push plate screw 149 is installed in the middle of the limit plate 141, and both ends of one side of the limit plate 141 are rotatably connected with angle rods 143, and the ends of the two angle rods 143 away from the limit plate 141 are respectively rotatably connected with the sides opposite to the two push plates 148, and both ends of the push plate screw 149 are rotatably connected with synchronization rods 147, and the two synchronization rods 147 are respectively rotatably connected with the sides opposite to the two push plates 148 away from the push plate screw 149, and the inner side of the fixed shell 142 is connected to the connecting roller 1 7 is fixedly connected, the maintenance personnel rotates the push plate screw 149, the push plate screw 149 slides along the limit plate 141, the push plate screw 149 pushes the angle rod 143 from one side to deflect along the limit plate 141, and the synchronization rod 147 deflects synchronously, so that the distance between the two push plates 148 is adjusted, and the user rotates the screw 146 to fix the blade platform 144 on the push plate 148, so that the user can replace the blade block 145 on the blade platform 144.
[0025] A servo motor 11 is fixedly installed on the surface of the shredder housing 1 for driving the connecting roller 17 to rotate. The outer sides of the two driving gears 16 are respectively meshed with the outer sides of the two driven gears 15. The servo motor 11 is started after being energized, and the servo motor 11 drives the connecting roller 17 connected thereto to rotate. The driving gear 16 on the connecting roller 17 rotates synchronously. The driving gear 16 contacts the driven gear 15. The driven gear 15 is driven by friction to drive the connecting roller 17 connected thereto to rotate. The two connecting rollers 17 respectively drive the blade members 14 connected thereto to shred paper.
[0026] A paper inlet 7 is provided in the middle of the top of the shredder housing 1, an operation button 8 is fixedly installed on one side of the top of the shredder housing 1, a switch 9 is highly installed on the other side of the top of the shredder housing 1, and grooves 10 are provided at both ends of the shredder housing 1. Paper to be shredded is injected into the shredder housing 1 through the paper inlet 7.
[0027] A maintenance door 6 located above the collecting shell 2 is hingedly connected to the shredder shell 1 , and a user opens the shredder shell 1 through the maintenance door 6 .
[0028] A perspective window 3 is snap-fitted into the middle of one side of the collection shell 2, a handle 4 is fixedly installed at the top of one side of the collection shell 2, and a safety switch 5 is fixedly installed at the top of the inner wall of the collection shell 2. The user can observe the perspective window 3 with the naked eye to understand the collection amount of shredded paper in the collection shell 2.
[0029] When the embodiment of the present application is in use, the paper to be shredded is injected into the shredder housing 1 through the paper inlet 7, the servo motor 11 is powered on and started, the servo motor 11 drives the connecting roller 17 connected thereto to rotate, the driving gear 16 on the connecting roller 17 rotates synchronously, the driving gear 16 contacts the driven gear 15, the driven gear 15 is driven by the friction force to drive the connecting roller 17 connected thereto to rotate, the two connecting rollers 17 respectively drive the blades 14 connected thereto to shred the paper, and the shredded paper falls onto the support plate 121 When the blade 14 needs to be maintained, the maintenance personnel rotates the push plate screw 149, and the push plate screw 149 slides along the limit plate 141. The push plate screw 149 pushes the angle rod 143 from one side to deflect the angle along the limit plate 141, and the synchronization rod 147 deflects synchronously, so that the distance between the two push plates 148 is adjusted. The user rotates the screw 146 to fix the blade platform 144 on the push plate 148, so that the user can replace the knife block 145 on the blade platform 144.
[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A paper shredder with replaceable blades and an anti-rolling paper shredder, comprising a shredder housing (1), characterized in that: A collecting shell (2) is mounted on the bottom end of one side of the shredder shell (1), a supporting mechanism (12) is fixedly mounted on the bottom end of the inner wall of the collecting shell (2), the supporting mechanism (12) comprising a supporting plate (121) and a plurality of supporting springs (122), the top ends of the plurality of supporting springs (122) are fixedly connected to the bottom end of the supporting plate (121), mounting plates (13) are fixedly mounted on the top ends of both sides of the inner wall of the shredder shell (1), the top ends of the two mounting plates (13) on opposite sides are rotatably connected to driving gears (16), the bottom ends of the two mounting plates (13) on opposite sides are rotatably connected to driven gears (15), and the two driving gears (16) and the two driven gears are connected to each other. A connecting roller (17) is fixedly installed between the two connecting rollers (17), and a plurality of blade members (14) are fixedly installed on the surfaces of the two connecting rollers (17). The plurality of blade members (14) each include a limiting plate (141) and a fixing shell (142). One side of the fixing shell (142) is fixedly connected to one end of the limiting plate (141). One side of the limiting plate (141) is provided with two pushing plates (148). One end of the two pushing plates (148) is rotatably installed with a screw rod (146). The two sides of the screw rods (146) away from the pushing plate (148) are threadedly connected with a blade platform (144). The surfaces of the two blade platforms (144) are fixedly installed with a plurality of knife blocks (145).
2. The anti-curling paper shredder with replaceable cutters according to claim 1, characterized in that: The bottom ends of the plurality of support springs (122) are fixedly connected to a side directly opposite to the collection shell (2), and the support plate (121) is slidably connected to the collection shell (2).
3. The anti-curling paper shredder with replaceable cutters according to claim 1, characterized in that: A push plate screw (149) is installed in the middle of the limit plate (141), and both ends of one side of the limit plate (141) are rotatably connected to angle rods (143), and the ends of the two angle rods (143) away from the limit plate (141) are respectively rotatably connected to the sides directly opposite to the two push plates (148), and both ends of the push plate screw (149) are rotatably connected to synchronization rods (147), and the two synchronization rods (147) away from the push plate screw (149) are respectively rotatably connected to the sides directly opposite to the two push plates (148), and the inner side of the fixed shell (142) is fixedly connected to the connecting roller (17).
4. The anti-curling paper shredder with replaceable cutters according to claim 1, characterized in that: A servo motor (11) is fixedly mounted on the surface of the shredder housing (1) for driving the facing connecting roller (17) to rotate, and the outer sides of the two driving gears (16) are respectively meshed and connected with the outer sides of the two driven gears (15).
5. The anti-curling paper shredder with replaceable cutters according to claim 1, characterized in that: A paper inlet (7) is provided in the middle of the top of the shredder housing (1), an operation button (8) is fixedly mounted on one side of the top of the shredder housing (1), a switch (9) is installed at a height on the other side of the top of the shredder housing (1), and grooves (10) are provided at both ends of the shredder housing (1).
6. The anti-curling paper shredder with replaceable cutters according to claim 1, characterized in that: The shredder housing (1) is hinged with a maintenance door (6) located above the collection housing (2).
7. The anti-curling paper shredder with replaceable cutters according to claim 1, characterized in that: A perspective window (3) is snap-fitted and installed in the middle of one side of the collection shell (2), a handle (4) is fixedly installed at the top of one side of the collection shell (2), and a safety switch (5) is fixedly installed at the top of the inner wall of the collection shell (2).