Quick change mechanism for cutting knives used in garbage bag production
By designing a quick replacement mechanism for cutting knife for garbage bag production, the combination of threaded rod, guide rod and moving blocks has been used to solve the problem of inconvenient replacement of existing cutters, and a more efficient and convenient cutter replacement process has been achieved.
Patent Information
- Application Number
- CN202421543746.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-07-02
AI Technical Summary
The existing garbage bag cutting cutter is less efficient and not convenient enough, so it requires repeated loosening and resetting of multiple screws.
A quick replacement mechanism for cutting knife for garbage bag production is designed. By setting up an adjustment mechanism, including a threaded rod, a guide rod and a moving block, the quick replacement and fixing of the cutter body is achieved.
It improves the efficiency of cutting tool body replacement, reduces dependence on multiple screws, simplifies the replacement process, and enhances the convenience of replacement.
Smart Images

Figure CN222726860U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cutters for producing garbage bags, in particular to a quick replacement mechanism for cutters for producing garbage bags. Background Art
[0002] Trash bags are plastic bags used to store garbage, usually made of plastic materials such as polyethylene or polypropylene. They are lightweight, durable, waterproof and moisture-proof, making them widely used in households, businesses and industries.
[0003] The existing garbage bags need to go through multiple processes during production and processing, including the cutting of semi-finished garbage bags. Since the cutter for cutting the garbage bags will become blunt under continuous use, the cutter needs to be replaced regularly. The existing cutter is fixed by multiple bolts, and the replacement of the cutter requires repeated loosening and resetting of multiple screws. Therefore, the existing replacement efficiency of the cutter for cutting the garbage bags is low and not convenient enough. For this reason, we provide a quick replacement mechanism for the cutter for garbage bag production. Utility Model Content
[0004] The utility model aims to solve the shortcoming in the prior art that the replacement of a cutter for cutting garbage bags is not convenient enough, and provides a quick replacement mechanism for the cutter for producing garbage bags.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a quick replacement mechanism for a cutter for garbage bag production, comprising: a main body mechanism, the main body mechanism comprising a mounting block, the interior of the mounting block is sleeved with a cutter body, the cutter body is slidably connected to the mounting block, one side of the mounting block is provided with an adjustment mechanism, the adjustment mechanism comprises a threaded rod, the threaded rod passes through the interior of the mounting block, one side of the threaded rod is provided with a guide rod, the guide rod is fixedly connected to the mounting block, the outer surfaces of the threaded rod and the guide rod are both sleeved with a moving block, the moving block is threadedly connected to the threaded rod, the moving block is slidably connected to the guide rod, one side of the moving block is fixedly connected to a limiting block, the outer surface of the limiting block is fixedly connected to a through block, the number of the through blocks is three, and the through blocks pass through the interior of the cutter body and the mounting block.
[0006] As a preferred embodiment, the penetration block is slidably connected to the cutter body and the mounting block, the threaded rod is placed inside the mounting block and one end is fixedly connected to a rotating piece, and a rotating groove that fits the rotating piece is opened inside the mounting block.
[0007] As a preferred embodiment, one end of the threaded rod away from the rotating piece is fixedly connected with a knob, both ends of the cutter body are fixedly connected with positioning blocks, and the mounting block is provided with a positioning groove that fits with the positioning block.
[0008] As a preferred implementation, an auxiliary mechanism is provided on the top of the mounting block, and the auxiliary mechanism includes bolt 1.
[0009] As a preferred implementation, the bolt 1 passes through the interior of the mounting block, and the bolt 1 is threadedly connected to the mounting block.
[0010] As a preferred implementation, an auxiliary block is sleeved on the outer surface of the bolt one, and the auxiliary block is fixedly connected to the bolt one.
[0011] As a preferred implementation, a second bolt penetrates the interior of the auxiliary block, and the second bolt is threadedly connected to the auxiliary block.
[0012] Compared with the prior art, the advantages and positive effects of the utility model are:
[0013] The utility model provides an adjustment mechanism so that the cutter body for garbage bag production can be quickly replaced, and multiple screws can no longer be repeatedly loosened and reset, which can effectively improve the efficiency of the cutter body replacement. At the same time, a threaded rod and a guide rod are provided so that the moving block can be driven by the thread of the threaded rod, and then the moving block can slide, so as to achieve the purpose of driving the limit block and the penetration block to move, so that the cutter body can be fixed and released, and the positioning block is provided so that the cutter body can be positioned and installed, so that the penetration block can be just moved and engaged into the cutter body, and the auxiliary mechanism is provided so that the fixed cutter body can be further fixed, so as to reduce the friction between the cutter body and the penetration block, and prevent the gap between the two due to friction. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A three-dimensional diagram of a quick-change mechanism for cutting knives used in garbage bag production provided by the utility model.
[0015] Figure 2 The utility model is a schematic diagram of the disassembly of the quick replacement mechanism of the cutter for garbage bag production provided by the utility model.
[0016] Figure 3 The utility model is a schematic diagram of the installation of the rotating piece of the quick replacement mechanism of the cutter for garbage bag production provided by the utility model.
[0017] Figure 4 A schematic diagram of bolt installation of a quick-change mechanism for cutting knives used in garbage bag production provided by the utility model.
[0018] Legend:
[0019] Main mechanism; 2. Adjustment mechanism; 3. Auxiliary mechanism; 11. Mounting block; 12. Cutter body; 13. Positioning block; 14. Positioning groove; 21. Threaded rod; 22. Guide rod; 23. Moving block;
[0020] Limit block; 25, through block; 26, rotating piece; 27, knob; 31, bolt 1;
[0021] 32. Auxiliary block; 33. Bolt 2. DETAILED DESCRIPTION
[0022] 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. Example 1
[0023] like Figure 1-Figure 4 As shown, the utility model provides a technical solution: a quick-change mechanism for cutting knives for garbage bag production, comprising: a main mechanism 1, the main mechanism 1 comprises a mounting block 11, a cutting knife body 12 is sleeved inside the mounting block 11, the cutting knife body 12 is slidably connected to the mounting block 11, an adjustment mechanism 2 is provided on one side of the mounting block 11, the adjustment mechanism 2 comprises a threaded rod 21, the threaded rod 21 runs through the inside of the mounting block 11, a guide rod 22 is provided on one side of the threaded rod 21, the guide rod 22 is fixedly connected to the mounting block 11, and a moving block 23 is sleeved on the outer surfaces of the threaded rod 21 and the guide rod 22, and the moving block 23 It is threadedly connected to the threaded rod 21, and the moving block 23 is slidably connected to the guide rod 22. One side of the moving block 23 is fixedly connected to the limiting block 24. The outer surface of the limiting block 24 is fixedly connected to a through block 25. There are three through blocks 25. The through blocks 25 penetrate the inside of the cutter body 12 and the mounting block 11. The through blocks 25 are slidably connected to the cutter body 12 and the mounting block 11. The threaded rod 21 is placed inside the mounting block 11 and one end is fixedly connected to a rotating piece 26. A rotating groove that fits the rotating piece 26 is opened inside the mounting block 11, and a knob 27 is fixedly connected to the end of the threaded rod 21 away from the rotating piece 26.
[0024] In this embodiment, by providing an adjustment mechanism 2, the efficiency of replacing the cutter body 12 can be improved, and by providing a threaded rod 21, the moving block 23 can be threadedly driven. Since the moving block 23 is also sleeved on the outer surface of the guide rod 22 and is slidably connected to the guide rod 22, the moving block 23 can reciprocate under the action of the threaded rod 21, so that the limit block 24 and the through block 25 can move synchronously, thereby achieving the purpose of fixing the cutter body 12 and replacing the cutter body 12. In addition, there are three through blocks 25, and the through blocks 25 are evenly distributed, so that the three through blocks 25 can firmly fix the cutter body 12. At the same time, a positioning groove 14 is opened on the mounting block 11, which can be used in conjunction with the two positioning blocks 13, so that the cutter body 12 can be positioned and installed, so that the three through blocks 25 can smoothly enter the cutter body 12 and the mounting block 11. Example 2
[0025] like Figure 1-Figure 4 As shown, both ends of the cutter body 12 are fixedly connected with positioning blocks 13, a positioning groove 14 matching with the positioning block 13 is opened on the mounting block 11, an auxiliary mechanism 3 is provided on the top of the mounting block 11, the auxiliary mechanism 3 includes a bolt 31, the bolt 31 passes through the interior of the mounting block 11, the bolt 31 is threadedly connected to the mounting block 11, the outer surface of the bolt 31 is sleeved with an auxiliary block 32, the auxiliary block 32 is fixedly connected with the bolt 31, the interior of the auxiliary block 32 is penetrated by a bolt 2 33, and the bolt 2 33 is threadedly connected to the auxiliary block 32.
[0026] In this embodiment, by providing an auxiliary mechanism 3, the cutter body 12 can be fixed from the top, so as to avoid the cutter body 12 being fixed by the through block 25 and causing large friction with the through block 25 due to up and down movement, thereby preventing the gap between the two from becoming larger, making it impossible for the cutter body 12 to cut the garbage bag smoothly. By providing a bolt 1 31, the position of the bolt 2 33 can be controlled by rotating, thereby not affecting the normal replacement of the cutter body 12.
[0027] Working principle:
[0028] like Figure 1-Figure 4As shown, when the utility model is in use, if the cutter body 12 needs to be replaced, the new cutter body 12 can be installed into the mounting block 11 first, and the cutter body 12 drives the two positioning blocks 13 to enter the positioning groove 14 provided on the mounting block 11, and then the knob 27 is turned, and the threaded rod 21 is driven to rotate by the knob 27. At this time, the threaded rod 21 will drive the moving block 23 to perform threaded driving under the cooperation of the rotating piece 26, and the moving block 23 can drive the limiting block 24 and the penetration block 25 to gradually approach the cutter body 12 under the guidance of the guide rod 22, until the three penetration blocks 25 completely pass through the cutter body 12 and a part of them enter the mounting block 11, at which time the new cutter body 12 is installed, and then the auxiliary mechanism 3 is used to move the cutter The main body 12 is further fixed by first rotating bolt 31. Since bolt 31 is threadedly connected to mounting block 11, bolt 31 can remain stable after rotating. At this time, bolt 31 is used to transfer bolt 2 33 to the top of cutter body 12, and then bolt 2 33 is rotated. Since bolt 2 33 is threadedly connected to auxiliary block 32, bolt 2 33 can be rotated with the cooperation of auxiliary block 32 until one end of bolt 2 33 presses cutter body 12 to fix the top of cutter body 12. In addition, since mounting block 11 is a predetermined component on the garbage belt production line, it is dedicated to connecting cutter body 12 and driving cutter body 12 to reciprocate up and down, so as to achieve the purpose of cutting garbage bags.
[0029] 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 quick-change mechanism for cutting knives used in garbage bag production, characterized in that: include: The main body mechanism (1) comprises a mounting block (11), a cutter body (12) is sleeved inside the mounting block (11), the cutter body (12) is slidably connected to the mounting block (11), an adjustment mechanism (2) is provided on one side of the mounting block (11), the adjustment mechanism (2) comprises a threaded rod (21), the threaded rod (21) passes through the interior of the mounting block (11), a guide rod (22) is provided on one side of the threaded rod (21), and the guide rod (22) is fixed to the mounting block (11). The threaded rod (21) and the guide rod (22) are connected by a movable block (23) on their outer surfaces, the movable block (23) is threadedly connected to the threaded rod (21), the movable block (23) is slidably connected to the guide rod (22), one side of the movable block (23) is fixedly connected to a limit block (24), the outer surface of the limit block (24) is fixedly connected to a through block (25), the number of the through blocks (25) is three, and the through blocks (25) penetrate the inside of the cutter body (12) and the mounting block (11).
2. The quick-change mechanism for cutting blades used in garbage bag production according to claim 1, characterized in that: The penetration block (25) is slidably connected to the cutter body (12) and the mounting block (11); one end of the threaded rod (21) is fixedly connected to a rotating plate (26) disposed inside the mounting block (11); and a rotating groove is provided inside the mounting block (11) and matches the rotating plate (26).
3. The quick-change mechanism for cutting blades used in garbage bag production according to claim 2, characterized in that: A knob (27) is fixedly connected to one end of the threaded rod (21) away from the rotating plate (26), and positioning blocks (13) are fixedly connected to both ends of the cutter body (12). A positioning groove (14) is formed on the mounting block (11) and matches the positioning block (13).
4. The quick-change mechanism for cutting blades used in garbage bag production according to claim 1, characterized in that: An auxiliary mechanism (3) is provided on the top of the mounting block (11), and the auxiliary mechanism (3) comprises a bolt 1 (31).
5. The quick-change mechanism for cutting blades used in garbage bag production according to claim 4, characterized in that: The bolt one (31) passes through the interior of the mounting block (11), and the bolt one (31) is threadedly connected to the mounting block (11).
6. The quick-change mechanism for cutting blades used in garbage bag production according to claim 5, characterized in that: An auxiliary block (32) is sleeved on the outer surface of the bolt one (31), and the auxiliary block (32) is fixedly connected to the bolt one (31).
7. The quick-change mechanism for cutting blades used in garbage bag production according to claim 6, characterized in that: A second bolt (33) passes through the interior of the auxiliary block (32), and the second bolt (33) is threadedly connected to the auxiliary block (32).