Cut-off device for core wire
By introducing a grinding block and rotating plate design into the core wire cutting device, the problem of decreased efficiency and accuracy caused by wear of the moving blade is solved, realizing efficient and convenient maintenance of the moving blade and improving cutting quality and work efficiency.
Patent Information
- Application Number
- CN202423208882.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The moving blades of existing wire cutting devices wear out severely during use, resulting in reduced cutting efficiency and accuracy, increased energy consumption and maintenance costs, and high complexity in replacement.
A core wire cutting device was designed, which includes a fixed blade structure and a moving blade structure. The moving blade structure consists of two second blade holders, a moving blade, and a cylinder. A grinding block and a spring are provided to perform grinding when the moving blade moves. The grinding block can be easily replaced through a rotatable rotating plate and a second spring.
It effectively reduces the wear of the moving blade, maintains its sharpness, improves cutting efficiency and the smoothness of the cut surface, reduces energy consumption and maintenance complexity, and improves overall work efficiency.
Smart Images
Figure CN223518547U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of core wire cutting, and particularly relates to a cutting device for core wire. BACKGROUND
[0002] Cutting devices for core wire have wide applications in the fields of wire and cable production, electronic component manufacturing, and power maintenance, among others. These devices are typically designed for precise and efficient cutting of various types and sizes of core wire.
[0003] A significant drawback of the prior art core wire cutting device is that the moving blade inevitably wears out as the cutting operation continues. This wear gradually reduces the sharpness of the moving blade, which in turn affects its cutting efficiency and accuracy. Specifically, a worn-out moving blade requires more force to complete the cutting action, which not only increases energy consumption but also can result in an uneven cutting surface, affecting subsequent processing or use. Furthermore, frequent replacement of severely worn moving blades increases maintenance costs and operational complexity, reducing overall work efficiency. SUMMARY
[0004] To overcome the above technical problems, the purpose of the utility model is to provide a cutting device for core wire.
[0005] The purpose of the utility model can be achieved by the following technical solutions:
[0006] A cutting device for core wire includes a fixed blade structure and a moving blade structure.
[0007] The fixed blade structure includes a first blade seat and a fixed blade, and the fixed blade is installed on the first blade seat.
[0008] The moving blade structure includes two second blade seats, a moving blade, and a pneumatic cylinder. The two second blade seats are connected by a connecting piece. The moving blade is placed between the two second blade seats. One of the second blade seats is installed with a pneumatic cylinder. The pneumatic cylinder has a connecting frame fixed at its telescopic end. The connecting frame is fixedly connected with the moving blade. Both second blade seats are provided with a grinding structure.
[0009] As a further solution of the utility model, the grinding structure includes a slot and a grinding block. The slot is formed on the side surface of the second blade seat. The grinding block is slidingly arranged in the slot. The grinding block and the slot wall are connected by a first spring.
[0010] As a further solution of the utility model, the grinding block is provided with a bevel surface that is adapted to the moving blade.
[0011] As a further scheme of the utility model: the connecting piece includes recess, pivot and second spring, the recess is set in the side of one second cutter seat, the pivot is fixed in the side of another second cutter seat, and the pivot extends into the recess, the end position of the pivot is equipped with rotatable rotating plate, the rotating plate is provided with second spring, the other end of the second spring is connected with the groove wall of the recess.
[0012] As a further scheme of the utility model: the groove wall and the outer surface of the pivot are in close contact.
[0013] As a further scheme of the utility model: the air cylinder is detachably arranged on the second cutter seat.
[0014] The utility model has the advantages of:
[0015] 1. By introducing the grinding block in the design, and by the elastic force of the first spring, the movable blade can be continuously polished by the grinding block while moving for cutting action, which effectively slows down the wear rate of the movable blade, maintains the sharpness, ensures the cutting efficiency and the flatness of the cutting surface, improves the work efficiency, and reduces the problems of increased energy consumption and reduced cutting quality caused by the wear of the movable blade.
[0016] 2. The utility model also ingeniously designs two second cutter seats that can be rubbed apart, and a rotatable rotating plate, which makes the staff easily rub apart the two second cutter seats when replacing the grinding block, exposes the two grinding blocks by rotating one second cutter seat, and conveniently replaces the grinding block. The convenient maintenance method not only reduces the operation complexity, but also reduces the maintenance time, improves the overall work efficiency, and ensures the relative rotation between the pivot and the second spring, further enhances the flexibility and durability of the device. BRIEF DESCRIPTION OF DRAWINGS
[0017] The utility model will be further described below with reference to the drawings.
[0018] Figure 1 It is the overall structure schematic diagram of the utility model;
[0019] Figure 2 It is the sectional structure schematic diagram of second cutter seat;
[0020] Figure 3 It is the structure schematic diagram when first cutter seat and second cutter seat are staggered;
[0021] Figure 4 It is the structure schematic diagram of connecting piece.
[0022] In the diagram: 11. First tool holder; 12. Fixed blade; 21. Second tool holder; 22. Moving blade; 23. Cylinder; 24. Connecting frame; 31. Groove; 32. Grinding block; 33. First spring; 41. Groove; 42. Rotating shaft; 43. Second spring; 44. Rotating plate. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.
[0024] like Figures 1-4 As shown, a cutting device for core wire includes a fixed blade structure and a moving blade structure. The fixed blade structure includes a first blade holder 11 and a fixed blade 12, with the fixed blade 12 mounted on the first blade holder 11. The moving blade structure includes two second blade holders 21, a moving blade 22, and a cylinder 23. The two second blade holders 21 are connected by a connector. The moving blade 22 is placed between the two second blade holders 21. A cylinder 23 is mounted on one of the second blade holders 21. The cylinder 23 is detachably mounted on the second blade holder 21. A connecting frame 24 is fixed to the telescopic end of the cylinder 23. The connecting frame 24 is fixedly connected to the moving blade 22. A grinding structure is provided on both second blade holders 21.
[0025] The grinding structure includes a slot 31 and a grinding block 32. The slot 31 is formed on the side of the second tool holder 21. The grinding block 32 is slidably disposed in the slot 31. The grinding block 32 is connected to the slot wall of the slot 31 by a first spring 33. The grinding block 32 is provided with an inclined surface adapted to the moving blade 22. For the two second tool holders 21, each second tool holder 21 is provided with a grinding block 32, and the grinding block 32 is connected to the second tool holder 21 by the first spring 33. Under the elastic force of the first spring 33, the grinding block 32 presses down on the moving blade 22. Therefore, during the movement of the moving blade 22, the grinding block 32 will grind the moving blade 22 to ensure the sharpness of the moving blade 22.
[0026] The connecting piece comprises a groove 41, a rotating shaft 42 and a second spring 43, the groove 41 is arranged on the side of one of the second knife holders 21, the rotating shaft 42 is fixed on the side of the other second knife holder 21 and extends into the groove 41, the groove wall of the groove 41 is in close contact with the outer surface of the rotating shaft 42, the end of the rotating shaft 42 is provided with a rotatable rotating plate 44, the second spring 43 is arranged on the rotating plate 44, and the other end of the second spring 43 is connected with the groove wall of the groove 41, when the polishing block 32 needs to be replaced, the staff first pulls one of the second knife holders 21, so that the second knife holder 21 drives the rotating shaft 42 to move, when the two second knife holders 21 are separated, the polishing block 32 on the second knife holder 21 that moves is also separated from the moving blade 22, at this time, the staff rotates the second knife holder 21 until the second knife holder 21 is rotated by 180°, at this time, the polishing blocks 32 on the two second knife holders 21 are exposed, which facilitates the staff to replace the two polishing blocks 32.
[0027] The working principle of the utility model:
[0028] The utility model discloses a cutting device for core wire, when using, the core wire passes between fixed blade 12 and moving blade 22, when cutting, cylinder 23 operates, and drives connecting frame 24 to move, connecting frame 24 drives moving blade 22 to move when moving, and moving blade 22 completes cutting action for the core wire together with fixed blade 12 in the moving process, for two second knife holders 21, every second knife holder 21 is provided with polishing block 32, and polishing block 32 is connected with second knife holder 21 through first spring 33, under the elastic force of first spring 33, polishing block 32 presses moving blade 22, therefore, polishing block 32 polishes moving blade 22 in the moving process of moving blade 22, thereby guaranteeing the sharp degree of moving blade 22;
[0029] For two second knife holders 21, they can be rubbed apart, which facilitates the staff to replace the two polishing blocks 32, specifically, when the polishing block 32 needs to be replaced, the staff first pulls one of the second knife holders 21, so that the second knife holder 21 drives the rotating shaft 42 to move, when the two second knife holders 21 are separated, the polishing block 32 on the second knife holder 21 that moves is also separated from the moving blade 22, at this time, the staff rotates the second knife holder 21 until the second knife holder 21 is rotated by 180°, at this time, the polishing blocks 32 on the two second knife holders 21 are exposed, which facilitates the staff to replace the two polishing blocks 32, in addition, the rotating shaft 42 is provided with a rotatable rotating plate 44, and the setting of the rotating plate 44 enables the rotating shaft 42 and the second spring 43 to relatively rotate.
[0030] The above has carried out the detailed description to one embodiment of the utility model, but the content described is only the preferred embodiment of the utility model, cannot be considered for limiting the implementation scope of the utility model. All equal changes and improvements etc. that are made in the utility model application scope should still belong to the patent coverage scope of the utility model.
Claims
1. A cutting device for a core wire, characterized in that, The fixed knife structure and the moving knife structure are included. The fixed knife structure includes a first knife seat (11) and a fixed knife blade (12), and the fixed knife blade (12) is installed on the first knife seat (11). The moving knife structure includes two second knife seats (21), a moving knife blade (22) and a pneumatic cylinder (23), the two second knife seats (21) are connected through a connecting piece, the moving knife blade (22) is arranged between the two second knife seats (21), one of the second knife seats (21) is provided with the pneumatic cylinder (23), the pneumatic cylinder (23) is fixedly provided with a connecting frame (24) at the extension end, the connecting frame (24) is fixedly connected with the moving knife blade (22), and the two second knife seats (21) are both provided with polishing structures.
2. A device for cutting a core wire according to claim 1, wherein The polishing structure includes a slot (31) and a polishing block (32), the slot (31) is arranged on the side surface of the second knife seat (21), the polishing block (32) is slidably arranged in the slot (31), and the polishing block (32) and the slot wall of the slot (31) are connected through a first spring (33).
3. A device for severing a core wire as defined in claim 2, wherein The polishing block (32) is provided with an inclined surface matched with the moving knife blade (22).
4. A device for severing a core wire according to claim 2, wherein The connecting piece includes a groove (41), a rotating shaft (42) and a second spring (43), the groove (41) is arranged on the side surface of one of the second knife seats (21), the rotating shaft (42) is fixed on the side surface of the other second knife seat (21), and the rotating shaft (42) extends into the groove (41), a rotating plate (44) is arranged at the end of the rotating shaft (42), the second spring (43) is arranged on the rotating plate (44), and the other end of the second spring (43) is connected with the slot wall of the groove (41).
5. A device for severing a core wire according to claim 4, wherein The slot wall of the groove (41) and the outer surface of the rotating shaft (42) are matched.
6. A device for severing a core wire as defined in claim 1, wherein The pneumatic cylinder (23) is detachably arranged on the second knife seat (21).