Cutting device with cutter capable of being rapidly detached
By designing a cutting device including multiple connecting components, the rapid disassembly and replacement of the cutting knife is achieved, and the problem of low efficiency of replacing the cutting knife in the prior art is solved and adaptability is improved.
Patent Information
- Application Number
- CN202421598187.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-08
AI Technical Summary
The existing cotton pole harvesters are inefficient when replacing cutting knives, and the knife roller needs to be disassembled with the help of disassembly and assembly tools.
A cutting device including a bracket, a knife roller, a connecting rod, a rotary plate, a rotary plate, a plug, a fixing plate, a plug, a insert and a fixing block are designed to quickly disassemble and adjust the blade and the connecting rod through sliding and threaded connection.
The rapid disassembly and replacement of the cutting knife is realized, which avoids the disassembly operation of the knife roller, improves the replacement efficiency, and can adjust the length of the connecting rod according to the needs, improving adaptability.
Smart Images

Figure CN222840114U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cutting devices, in particular to a cutting device with a quickly detachable cutter. Background Art
[0002] A cutting knife is a tool used for collecting and cutting cotton stalks.
[0003] Announcement No. CN201609041U announces a cotton stalk harvester, including a housing, a belt, a turntable, a chain, a harvesting tooth, a bearing, and a pull bar. A cotton stalk harvester that can minimize costs, harvest cotton stalks well, is small in size, easy to use, and does not affect the re-cultivation of the land. Although this type of cotton stalk harvester has the effect of reducing size and cost, it is lacking in the replacement of the cutter. Since this type of knife roller does not have a structure for quickly replacing the cutter, this will result in the situation where the staff needs to use a disassembly tool to disassemble and assemble the knife roller when replacing the cutter, thereby reducing the efficiency of replacing the cutter. Utility Model Content
[0004] The purpose of the utility model is to solve the technical problems raised in the above background technology.
[0005] The utility model adopts the following technical scheme: a cutting device with a quickly detachable cutter, comprising a bracket, a surface of the bracket is rotatably connected to a knife roller, a surface of the knife roller is provided with a connecting rod, a surface of the connecting rod is rotatably connected to a rotating plate, a surface of the rotating plate is fixedly installed with a rotating block, a surface of the connecting rod is fixedly installed with an insert block, a surface of the connecting rod is fixedly installed with a fixing plate, a surface of the fixing plate is provided with a slot, an insert plate is inserted in the slot, a blade is fixedly installed on the surface of the insert plate, an insert strip is inserted in the fixing plate, and the surface of the fixing plate is rotatably connected with a fixing block.
[0006] Preferably, an extension rod is fixedly mounted on the surface of the fixing plate, a positioning hole is opened on the surface of the extension rod, an insertion rod is inserted into the interior of the connecting rod, a fixing rod is fixedly mounted on the surface of the insertion rod, and a rotating drum is rotatably connected to the surface of the connecting rod. Here, the design of the extension rod facilitates the extension of the connecting rod.
[0007] Preferably, the inserting strip is slidably connected to the inserting plate, and the inserting strip is threadedly connected to the rotating block. Here, the sliding design of the inserting strip and the inserting plate facilitates the installation of the blade, and the threaded connection design of the inserting strip and the rotating block facilitates the fixing of the blade in the fixed plate through the inserting plate.
[0008] Preferably, the insert block is slidably connected to the knife roller, and the rotating block is threadedly connected to the knife roller. Here, the sliding design of the insert block and the knife roller facilitates the installation and positioning of the connecting rod.
[0009] Preferably, the extension rod is slidably connected to the connecting rod, and the insertion rod is slidably connected to the extension rod. Here, the design of the extension rod facilitates the extension and retraction of the connecting rod.
[0010] Preferably, the fixing rod is connected to the rotating drum via a threaded connection. Here, the threaded connection design between the fixing rod and the rotating drum facilitates the fixing of the insertion rod via the fixing rod.
[0011] Compared with the prior art, the advantages and positive effects of the utility model are:
[0012] 1. In the utility model, the knife roller, rotating plate, rotating block, inserting block, fixing plate, inserting plate, inserting strip and fixing block are arranged to facilitate the disassembly and replacement of the blade, thereby avoiding the situation that the staff needs to use disassembly and assembly tools to disassemble the knife roller when replacing the blade. At the same time, this cutting device can be used in the existing cotton stalk harvesting device to replace the existing knife roller, and has a simple structure and strong practicality.
[0013] 2. In the utility model, by providing the positioning hole, the extension rod, the insertion rod, the fixing rod and the rotating drum, it is convenient to adjust the connecting rod to multiple gears, so that the user can adjust the length of the connecting rod according to the use requirements, thereby improving the adaptability of the cutting knife. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The utility model provides a three-dimensional structural schematic diagram of a cutting device with a quickly detachable cutter;
[0015] Figure 2 The utility model provides a schematic diagram of the exploded structure of a connecting rod, a blade and a fixing plate in a cutting device with a quickly detachable cutter;
[0016] Figure 3 The utility model proposes a cutting device with a quickly detachable cutter. Figure 2 Enlarged view of point A in the middle;
[0017] Figure 4 The utility model provides a schematic diagram of the exploded structure of an extension rod, an insertion rod, a fixing rod and a rotating drum in a cutting device with a quickly detachable cutter;
[0018] Figure 5 The utility model proposes a cutting device with a quickly detachable cutter. Figure 4 Enlarged view of point B in the middle.
[0019] Legend:
[0020] 1. Bracket; 2. Knife roller; 3. Connecting rod; 4. Rotating plate; 5. Rotating block; 6. Inserting block; 7. Fixed plate; 8. Slot; 9. Inserting plate; 10. Blade; 11. Inserting strip; 12. Fixed block; 13. Extension rod; 14. Positioning hole; 15. Inserting rod; 16. Fixed rod; 17. Rotating drum. DETAILED DESCRIPTION
[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0023] Embodiment 1
[0024] See also Figure 1-5 The utility model provides a technical solution: a cutting device with a quickly detachable cutter, comprising a bracket 1, a knife roller 2 is rotatably connected to the surface of the bracket 1, a connecting rod 3 is arranged on the surface of the knife roller 2, a rotating plate 4 is rotatably connected to the surface of the connecting rod 3, a rotating block 5 is fixedly installed on the surface of the rotating plate 4, the rotating block 5 is connected to the knife roller 2 by a thread, and the sliding design of the insert block 6 and the knife roller 2 facilitates the installation and limiting of the connecting rod 3, the insert block 6 is fixedly installed on the surface of the connecting rod 3, the insert block 6 is slidably connected to the knife roller 2, and the surface of the connecting rod 3 is fixedly installed with A fixed plate 7 is provided with a slot 8 on the surface of the fixed plate 7, a plug plate 9 is inserted inside the slot 8, a blade 10 is fixedly installed on the surface of the plug plate 9, an insert strip 11 is inserted inside the fixed plate 7, the insert strip 11 is slidably connected to the plug plate 9, and the sliding design of the insert strip 11 and the plug plate 9 facilitates the installation of the blade 10, the insert strip 11 is threadedly connected to the rotating block 5, and the threaded connection design of the insert strip 11 and the rotating block 5 facilitates the fixing of the blade 10 in the fixed plate 7 through the plug plate 9, and a fixed block 12 is rotatably connected to the surface of the fixed plate 7.
[0025] Embodiment 2
[0026] See also Figure 1-5An extension rod 13 is fixedly installed on the surface of the fixing plate 7, and the extension rod 13 is slidably connected to the connecting rod 3. A positioning hole 14 is opened on the surface of the extension rod 13, and an insertion rod 15 is inserted inside the connecting rod 3, and the insertion rod 15 is slidably connected to the extension rod 13. The design of the extension rod 13 makes it easy to extend and retract the connecting rod 3. A fixing rod 16 is fixedly installed on the surface of the insertion rod 15, and a rotating drum 17 is rotatably connected to the surface of the connecting rod 3. The fixing rod 16 and the rotating drum 17 are connected by threads, and the threaded connection design of the fixing rod 16 and the rotating drum 17 makes it easy to fix the insertion rod 15 through the fixing rod 16.
[0027] Working principle: When the blade 10 needs to be replaced, only the fixing block 12 needs to be rotated. After the fixing block 12 is rotated away from the insert 11, the insert 11 can be pulled out from the fixing plate 7. At this time, the blade 10 can be pulled out from the slot 8 through the insert plate 9. When the connecting rod 3 needs to be disassembled, only the rotating plate 4 needs to be rotated. The rotating plate 4 will drive the rotating block 5 to rotate. After the rotating block 5 is rotated out of the knife roller 2, the connecting rod 3 can be pulled out from the knife roller 2 through the insert block 6. When the connecting rod 3 needs to be extended, It is only necessary to rotate the rotating drum 17, and after the rotating drum 17 is turned away from the fixing rod 16, the fixing rod 16 can be pulled out of the connecting rod 3 through the insert rod 15. At this time, the fixing plate 7 is pulled outward, and the fixing plate 7 will drive the extension rod 13 to slide outward inside the connecting rod 3. After adjusting to a certain length, the insert rod 15 is inserted into the positioning hole 14 of the extension rod 13, and then the rotating drum 17 is connected to the fixing rod 16 through a thread. After the rotating drum 17 is connected, the extension of the connecting rod 3 can be completed.
[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A cutting device with a quickly detachable cutter, comprising a bracket (1), characterized in that: The surface of the bracket (1) is rotatably connected to a knife roller (2), the surface of the knife roller (2) is provided with a connecting rod (3), the surface of the connecting rod (3) is rotatably connected to a rotating plate (4), the surface of the rotating plate (4) is fixedly mounted with a rotating block (5), the surface of the connecting rod (3) is fixedly mounted with an insert block (6), the surface of the connecting rod (3) is fixedly mounted with a fixing plate (7), the surface of the fixing plate (7) is provided with a slot (8), the interior of the slot (8) is inserted with an insert plate (9), the surface of the insert plate (9) is fixedly mounted with a blade (10), the interior of the fixing plate (7) is inserted with an insert strip (11), and the surface of the fixing plate (7) is rotatably connected with a fixing block (12).
2. The cutting device with a quickly detachable cutter according to claim 1, characterized in that: An extension rod (13) is fixedly mounted on the surface of the fixing plate (7), a positioning hole (14) is provided on the surface of the extension rod (13), an insertion rod (15) is inserted into the interior of the connecting rod (3), a fixing rod (16) is fixedly mounted on the surface of the insertion rod (15), and a rotating drum (17) is rotatably connected to the surface of the connecting rod (3).
3. The cutting device with a quickly detachable cutter according to claim 1, characterized in that: The inserting strip (11) is slidably connected to the inserting plate (9), and the inserting strip (11) is threadably connected to the rotating block (5).
4. The cutting device with a quickly detachable cutter according to claim 1, characterized in that: The insert block (6) is slidably connected to the knife roller (2), and the rotating block (5) is threadedly connected to the knife roller (2).
5. The cutting device with a quickly detachable cutter according to claim 2, characterized in that: The extension rod (13) is slidably connected to the connecting rod (3), and the insertion rod (15) is slidably connected to the extension rod (13).
6. The cutting device with a quickly detachable cutter according to claim 2, characterized in that: The fixing rod (16) and the rotating drum (17) are connected via threads.
Citation Information
Patent Citations
A cotton stalk harvester
CN201609041U