Paper shredder convenient for cutter replacement
By designing a feed hopper opening that is easy to rotate and tilt in the recycling resource processing equipment, combined with mechanical means of cylinders and telescopic plates, the problem of inconvenient cutter replacement is solved, and a safe and convenient cutter replacement process is achieved.
Patent Information
- Application Number
- CN202420922606.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-29
AI Technical Summary
In existing recycling resource processing equipment, the cutting knife is prone to wear after long-term use, and needs to be replaced and the replacement process is inconvenient. Especially the feed hopper is located at a high place, and tools such as herringbone ladders are required to be transported for high places, which poses safety hazards and operations. Inconvenient problem.
A paper shredder is designed for easy tool change. By setting controls on the frame, the feed hopper can be rotated axially in the rotating cylinder, tilting its opening to the ground position, making it easier to change the cutter and through the telescopic plate and Mechanical means such as cylinders enable flipping and fixing of the feed hopper, avoiding high-altitude operations.
It enables the convenience of changing the cutter without the need to carry the herringbone ladder, improves the operation safety and convenience, simplifies the knife replacement process, and reduces the difficulty and risk of changing the cutter.
Smart Images
Figure CN222343044U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of renewable resource recycling, and in particular to a paper shredder that is easy to change blades. Background Art
[0002] Renewable resources generally refer to resources that can be repeatedly recycled, processed and reused. Compared with the use of virgin resources, the use of renewable resources can save a lot of energy, water resources and production auxiliary materials, reduce production costs and reduce environmental pollution. At present, renewable resources can be seen everywhere in our daily life and work, such as non-metallic items such as plastics and paper; various items that can regain their use value after being recycled and processed after use. Among them, the processing is limited to simple processing such as cleaning, sorting, crushing, cutting, disassembling, and packaging that changes the physical properties of renewable resources.
[0003] Reference Figure 1 A crusher used in the processing of renewable resources in the related art includes a machine body 1, which includes a frame 11, a feed hopper 12 fixed to the top of the frame 11, a discharge barrel 13 connected to the feed hopper 12, a mounting roller 14 rotatably connected to the feed hopper 12, and a cutter (not shown in the figure) arranged on the mounting roller 14. Among them, the cutter is located in the inner cavity of the feed hopper 12. The opening of the feed hopper 12 is set upward. The frame 11 is provided with a main motor 15 for driving the mounting roller 14 to rotate, and the main motor 15 and the mounting roller 14 are connected by a belt and a pulley. During processing, the material to be processed is discharged into the feed hopper 12, and the material is chopped by the cutter, and then discharged from the discharge barrel 13.
[0004] With respect to the above-mentioned related technologies, the inventors have found that there are at least the following problems in the technology: during processing, relative movement occurs between the cutter and the material, resulting in friction, which causes certain wear on the surface of the cutter. The cutter needs to be replaced after long-term use to ensure the cutting effect; when replacing, the feed hopper 12 is at a high place relative to people, and it is necessary to carry tools such as a stepladder and stand on the stepladder to perform high-altitude operations in order to replace the cutter located in the inner cavity of the feed hopper 12. This replacement method is not convenient for replacing the cutter. Utility Model Content
[0005] In order to facilitate the replacement of the cutter, the present application provides a shredder that is easy to replace the cutter.
[0006] The present application provides a shredder that is easy to change blades, which adopts the following technical solution:
[0007] A shredder convenient for changing blades comprises a machine body, wherein the machine body comprises a frame and a feed hopper arranged on the frame; the feed hopper is provided with a rotating cylinder rotatably connected to the frame, the axial direction of the rotating cylinder is arranged in a horizontal direction, and the frame is provided with a control member for controlling the flipping of the feed hopper.
[0008] By adopting the above technical solution, when the cutter needs to be replaced, the feed hopper is unlocked and locked, and then the feed hopper is rotated around the axial direction of the rotating cylinder, so that the feed hopper is tilted on the frame, so that the opening of the feed hopper is set toward the ground, and the height position of the feed hopper opening is changed, that is, the original height position of the feed hopper opening is lowered. At this time, there is no need to carry tools such as a stepladder, and the cutter can be replaced by standing on the ground through the opening of the feed hopper, thereby facilitating the replacement of the cutter.
[0009] Optionally, the machine body includes a discharge hopper arranged on the frame, the discharge hopper is located below the feed hopper, and the discharge hopper and the feed hopper are communicated; the discharge hopper is provided with a clearance opening for the feed hopper to flip over, and the frame is provided with a telescopic plate for shielding materials at the clearance opening, and the upper end of the telescopic plate abuts against the feed hopper.
[0010] By adopting the above technical solution, when the cutter needs to be replaced, the telescopic plate is first slid downward to facilitate turning over the feed hopper.
[0011] Optionally, the telescopic plate includes a mounting tube arranged on the frame, a material guide plate slidably connected to the mounting tube up and down, and a push spring for pushing the material guide plate to abut against the feed hopper, the material guide plate abuts against the feed hopper, the push spring is completely accommodated in the mounting tube, one end of the push spring abuts against the bottom wall of the mounting tube, and the other end of the push spring abuts against the material guide plate.
[0012] By adopting the above technical solution, when the cutter needs to be replaced, the guide plate is pressed downward to store the guide plate in the installation tube, so as to flip the feed hopper downward. In addition, when replacing the cutter, the gravity of the feed hopper itself can be used to offset the thrust of the push spring on the guide plate, so that the guide plate can be stored in the inner cavity of the installation tube without fixing the guide plate in the installation tube, which is simple to operate.
[0013] Optionally, the control component includes a cylinder hingedly arranged on the frame and a connecting block arranged on the feed hopper, and the piston rod of the cylinder is hingedly connected to the connecting block.
[0014] By adopting the above technical solution, when the cutter does not need to be replaced, the cylinder is used to extend the piston rod outward to push the feed hopper to flip until the opening of the feed hopper is in the processing state, the cylinder is stopped, and the feed hopper is supported and installed. In addition, one end of the piston rod is detachably connected to the connecting block, so that the cylinder can be used to drive the feed hopper to flip around the rotating cylinder.
[0015] Optionally, the connecting block is detachably connected to the piston rod.
[0016] By adopting the above technical solution, during installation, the feed hopper and the cylinder can be separately installed on the frame and then connected.
[0017] Optionally, the control member includes a rack hinged to the feed hopper, a gear meshed with the rack, the gear is hinged to the frame, and a locking member for fixing the gear is provided between the gear and the frame.
[0018] By adopting the above technical solution, when the cutter needs to be replaced, the gear and rack are meshed to drive the feed hopper to rotate, and the opening of the feed hopper is turned over to face the ground, so as to facilitate the replacement of the cutter. In addition, when the cutter does not need to be replaced, the rack is slid toward the feed hopper, and the rack is used to push the feed hopper to turn over until the opening of the feed hopper is in the processing state, and then the gear is fixed by the locking piece to fix the feed hopper, which is simple to operate.
[0019] Optionally, the frame is provided with a mounting block for gear connection, the rack is passed through the mounting block, the gear is coaxially provided with a rotating rod rotatably connected to the mounting block, the operating end of the rotating rod is located on the outer wall of the mounting block, the locking piece is a fixing bolt threadedly connected to the mounting block, and one end of the fixing bolt abuts against the rotating rod.
[0020] By adopting the above technical solution, when the gear needs to be fixed, the fixing bolt is rotated until the end of the fixing bolt is tightly against the outer wall of the rotating rod, so that the rotation of the rotating rod can be restricted, thereby fixing the gear, which is simple and convenient to operate.
[0021] Optionally, the rack is slidably connected to the mounting block, and the rack is provided with a limit rod for limiting its own sliding range, and the limit rod can slide until the limit rod abuts against the mounting block.
[0022] By adopting the above technical solution, when in use, the limit rod is used to abut against the mounting block to limit the range of motion of the rack to ensure the reliability of the connection between the rack and the gear, so as to facilitate the use of the transmission of the gear and the rack to drive the feed hopper to rotate.
[0023] In summary, the present application includes at least one of the following beneficial effects:
[0024] 1. When replacing the cutter, the cylinder is used to drive the feed hopper to rotate with the rotating cylinder as the rotation center, so that the feed hopper is tilted on the frame, changing the height position of the feed hopper opening, that is, lowering the original height position of the feed hopper opening, so that the cutter can be replaced by standing on the ground through the feed hopper opening without carrying tools such as a ladder, thereby facilitating the replacement of the cutter;
[0025] 2. During processing, use the telescopic plate to prevent the material from flying out of the clearance port, so as to facilitate the collection of the cut material. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a structural schematic diagram of a paper shredder in the related art;
[0027] Figure 2 It is a schematic diagram of the structure of the present embodiment 1 of the present application;
[0028] Figure 3 It is a partial explosion schematic diagram of the embodiment 1 of the present application;
[0029] Figure 4 It is a schematic diagram of the structure of Embodiment 2 of the present application;
[0030] Figure 5 yes Figure 4 A magnified schematic diagram of center A.
[0031] Explanation of the reference numerals in the accompanying drawings: 1. Machine body; 11. Frame; 111. Vertical rod; 112. Diagonal rod; 113. Horizontal rod; 12. Feed hopper; 121. Rotating cylinder; 13. Discharge cylinder; 14. Mounting roller; 15. Main motor; 2. Discharge hopper; 21. Make way; 3. Telescopic plate; 31. Mounting cylinder; 32. Guide plate; 33. Push spring; 4. Cutter roller; 5. Cylinder; 51. Connecting block; 6. Diagonal support plate; 7. Rack; 71. Rotating rod; 72. Fixed block; 73. Mounting block; 8. Locking piece; 9. Limit rod. DETAILED DESCRIPTION
[0032] The present application is further described in detail below in conjunction with the accompanying drawings.
[0033] Embodiment 1:
[0034] Reference Figure 2 The embodiment of the present application discloses a shredder that is convenient for changing blades, and the shredder that is convenient for changing blades includes a machine body 1. The machine body 1 includes a frame 11, a feed hopper 12 rotatably connected to the frame 11, and a discharge hopper 2 installed on the frame 11.
[0035] Reference Figure 2 , the length direction of the frame 11 is arranged parallel to the conveying direction of the material. The frame 11 includes a vertical rod 111 arranged along the vertical direction, two oblique rods 112 fixed to the vertical rod 111, and a cross rod 113 fixed between the two oblique rods 112. Among them, there are multiple vertical rods 111 and they are arranged at intervals along the circumference of the frame 11. The length direction of the oblique rod 112 is arranged parallel to the length direction of the frame 11, and the feed hopper 12 is located between the two vertical rods 111, so that the discharging hopper 2 can be installed by using the oblique rod 112. The bottom of the cross rod 113 is fixed to the top of two of the vertical rods 111.
[0036] Reference Figure 2 and Figure 3The inner cavity of the discharge hopper 2 is connected to the inner cavity of the feed hopper 12, and the top of the discharge hopper 2 is arranged in a flared structure to receive the material discharged from the feed hopper 12. A clearance opening 21 is provided on the top of the discharge hopper 2 near the cross bar 113, which is used for clearance when the feed hopper 12 is turned over. During installation, the two sides of the discharge hopper 2 are respectively welded to the side walls of the inclined bar 112.
[0037] Reference Figure 2 and Figure 3 The frame 11 is provided with a telescopic plate 3 near the clearance opening 21. When the feed hopper 12 does not need to be flipped, the telescopic plate 3 is used to prevent materials from flying out of the discharge hopper 2. The telescopic plate 3 includes a mounting tube 31 mounted on the cross bar 113, a guide plate 32 connected to the inner cavity of the mounting tube 31 by sliding up and down, and a push spring 33 completely accommodated in the inner cavity of the mounting tube 31. Among them, the mounting tube 31 is a rectangular parallelepiped structure with an open top, and the outer wall of the guide plate 32 abuts against the inner cavity of the mounting tube 31. The top end of the push spring 33 abuts against the guide plate 32, and the bottom end of the push spring 33 abuts against the inner cavity of the mounting tube 31; the push spring 33 is used to push the top of the guide plate 32 to abut against the side wall of the feed hopper 12 to prevent materials from flying out.
[0038] Reference Figure 2 and Figure 3 , rotating cylinders 121 are horizontally fixed on both sides of the feed hopper 12, and the two rotating cylinders 121 are coaxially arranged, and the axial direction of the rotating cylinder 121 is arranged vertically along the material conveying direction. The end of the rotating cylinder 121 away from the feed hopper 12 is connected to the side wall of the discharge hopper 2 through a bearing, and when installed, the outer wall of the rotating cylinder 121 is connected to the inner ring of the bearing.
[0039] Reference Figure 2 and Figure 3 In addition, the frame 11 is hinged with a cutter roller 4 (cutters are installed on the cutter roller 4 at intervals, and the installation method of the cutter is the existing technology, which will not be described in detail here), and the part of the cutter roller 4 with the cutter is located in the inner cavity of the feed hopper 12. During installation, the cutter roller 4 is connected to the rotating cylinder 121 through a bearing, the outer wall of the cutter roller 4 is connected to the inner ring of the bearing, and the two ends of the cutter roller 4 respectively penetrate the outer wall of the discharge hopper 2.
[0040] Reference Figure 2 and Figure 3 The frame 11 is provided with a control member for controlling the flipping of the feed hopper 12. The control member includes a cylinder 5 obliquely arranged on the cross bar 113 and a connecting block 51 detachably connected to the side wall of the receiving hopper. The frame 11 is provided with an oblique support plate 6 obliquely arranged near the cross bar 113 for the cylinder 5 to be hinged. When installed, the end of the oblique support plate 6 away from the frame 11 abuts against the ground.
[0041] Reference Figure 2 and Figure 3 The connecting block 51 is detachably connected to the side wall of the feed hopper 12 by bolts, so as to connect the piston rod of the cylinder 5 and the connecting block 51. One end of the piston rod of the cylinder 5 is axially hinged with the connecting block 51 by bolts and nuts; one end of the piston rod of the cylinder 5 is detachably connected to the connecting block 51. The axial direction of the hinge of the piston rod of the cylinder 5 is parallel to the axial direction of the rotating cylinder 121, so that the piston rod of the cylinder 5 drives the feed hopper 12 to turn over, thereby achieving the purpose of controlling the turning of the feed hopper 12.
[0042] Reference Figure 2 and Figure 3 During processing, the cylinder 5 pushes the piston rod to extend, and the piston rod of the cylinder 5 is used to support and install the feed hopper 12, so that the opening of the feed hopper 12 is set upwardly at an angle to facilitate the feeding of the material to be processed into the inner cavity of the feed hopper 12.
[0043] The implementation principle of the paper shredder that is easy to change the blade in the embodiment of the present application is as follows: when the blade needs to be replaced, the cylinder 5 is started, the telescopic rod of the cylinder 5 is retracted, and the telescopic rod of the cylinder 5 drives the feed hopper 12 to flip downward; at the same time, the feed hopper 12 pushes the guide plate 32 to move downward, so that the guide plate 32 slides into the inner cavity of the installation cylinder 31, and squeezes the push spring 33, so that the push spring 33 is deformed. When the feed hopper 12 flips around the rotating cylinder 121 until the opening of the feed hopper 12 is set toward the ground, the cylinder 5 is stopped, and the blade can be replaced from the opening of the feed hopper 12, and there is no need to move the tool and stand at a high place to perform the replacement operation, thereby having the effect of facilitating the replacement of the blade.
[0044] Embodiment 2:
[0045] The difference between Example 2 of the present application and Example 1 is that: Figure 4 and Figure 5 The control part includes a rack 7 obliquely mounted on the side wall of the feed hopper 12 and a gear meshed with the rack 7. The side wall of the feed hopper 12 is axially hinged with a fixing block 72 for connecting the rack 7, and one end of the rack 7 is axially hinged with the fixing block 72 through bolts and nuts, so that one end of the rack 7 is axially hinged to the side wall of the feed hopper 12.
[0046] Reference Figure 4 and Figure 5 , the frame 11 is fixed with a mounting block 73 with a hollow interior on the diagonal support plate 6 for mounting the gear. The gear is coaxially fixed with a rotating rod 71, and the two ends of the rotating rod are rotatably connected to the mounting block 73. The rotating rod 71 is connected to the mounting block 73 through a bearing, and the outer wall of the rotating rod 71 is connected to the inner ring of the bearing. During installation, the gear is located in the inner cavity of the mounting block 73, the rack 7 is inserted into the mounting block 73, and the rack 7 is slidably connected to the mounting block 73; the connection between the gear and the rack 7 is located in the inner cavity of the mounting block 73.
[0047] Reference Figure 4 and Figure 5 A locking member 8 is provided between the gear and the frame 11 for fixing the gear. The locking member 8 is a fixing bolt threadedly connected to the mounting block 73, and one end of the fixing bolt abuts against the outer wall of the rotating rod 71.
[0048] Reference Figure 4 and Figure 5 In addition, the end of the rack 7 away from the feed hopper 12 is threadedly connected to a limit rod 9, which is used to limit the sliding range of the rack 7 to ensure the reliability of the connection between the rack 7 and the mounting block 73. During installation, the axial direction of the limit rod 9 is set perpendicular to the length direction of the rack 7. During processing, the side wall of the limit rod 9 abuts against the side wall of the mounting block 73, and at this time, the rack 7 is in a state of supporting and mounting the feed hopper 12.
[0049] Reference Figure 4 and Figure 5 When the cutter needs to be replaced, the fixing bolt is loosened to unlock the rotating rod 71, and then the rotating rod 71 is rotated to make the gear and the rack 7 mesh and transmit, so that the rack 7 slides toward the mounting block 73, so that the feeding hopper 12 is driven by the rack 7 to turn downward, and at the same time, the feeding hopper 12 pushes the guide plate 32 to slide downward into the inner cavity of the mounting cylinder 31. When the feeding hopper 12 is turned over until the feeding hopper 12 abuts against the mounting cylinder 31, the cutter can be replaced from the opening of the feeding hopper 12, and there is no need to carry tools for high-altitude operations, thereby facilitating the replacement of the cutter.
[0050] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A shredder that facilitates blade replacement, comprising a machine body (1), wherein the machine body (1) comprises a frame (11) and a feed hopper (12) disposed on the frame (11); the characteristics are: The feed hopper (12) is provided with a rotating cylinder (121) rotatably connected to the frame (11); the axial direction of the rotating cylinder (121) is arranged along the horizontal direction; and the frame (11) is provided with a control member for controlling the flipping of the feed hopper (12).
2. A paper shredder with easy blade change according to claim 1, characterized in that: The machine body (1) comprises a discharge hopper (2) arranged on a frame (11); the discharge hopper (2) is located below a feed hopper (12); the discharge hopper (2) and the feed hopper (12) are in communication; the discharge hopper (2) is provided with a clearance opening (21) for the feed hopper (12) to flip over; the frame (11) is provided with a telescopic plate (3) for shielding materials at the clearance opening (21); the upper end of the telescopic plate (3) abuts against the feed hopper (12).
3. A paper shredder with easy blade change according to claim 2, characterized in that: The telescopic plate (3) comprises a mounting tube (31) arranged on the frame (11), a material guide plate (32) connected to the mounting tube (31) in an up-and-down sliding manner, and a push spring (33) for pushing the material guide plate (32) to abut against the feed hopper (12); the material guide plate (32) abuts against the feed hopper (12); the push spring (33) is completely accommodated in the mounting tube (31); one end of the push spring (33) abuts against the bottom wall of the mounting tube (31); and the other end of the push spring (33) abuts against the material guide plate (32).
4. A paper shredder with easy blade change according to claim 3, characterized in that: The control component comprises a cylinder (5) hingedly arranged on a frame (11) and a connecting block (51) arranged on a feed hopper (12); a piston rod of the cylinder (5) is hingedly connected to the connecting block (51).
5. A paper shredder with easy blade replacement according to claim 4, characterized in that: The connecting block (51) is detachably connected to the piston rod.
6. The paper shredder with easy blade replacement according to claim 3, characterized in that: The control component comprises a rack (7) hinged to the feed hopper (12), a gear meshingly connected to the rack (7), the gear being hinged to the frame (11), and a locking component (8) for fixing the gear being provided between the gear and the frame (11).
7. A paper shredder with easy blade replacement according to claim 6, characterized in that: The frame (11) is provided with a mounting block (73) for gear connection, the rack (7) is passed through the mounting block (73), the gear is coaxially provided with a rotating rod (71) rotatably connected to the mounting block (73), an operating end of the rotating rod (71) is located on an outer wall of the mounting block (73), and the locking member (8) is a fixing bolt threadedly connected to the mounting block (73), one end of the fixing bolt abuts against the rotating rod (71).
8. The paper shredder with easy blade replacement according to claim 7, characterized in that: The rack (7) is slidably connected to the mounting block (73); the rack (7) is provided with a limit rod (9) for limiting its own sliding range; the limit rod (9) can slide until the limit rod (9) abuts against the mounting block (73).