A clamped stable cutting tool
By combining the design of the connecting tapered end, clamping flange, locking device, and connecting reinforcement structure, the problems of easy breakage of clamped cutting tools and unreliable support structure are solved, achieving high rigidity and high stability cutting effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO YUYANGQUAN DRILLING TOOL CO LTD
- Filing Date
- 2025-08-25
- Publication Date
- 2026-07-21
Smart Images

Figure CN224526617U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cutting tool technology, and in particular to a cutting tool with stable clamping. Background Technology
[0002] Stable clamping cutting tools refer to cutting tool systems that ensure a high-rigidity, high-precision connection between the tool and the machine tool spindle during machining by optimizing the fixture structure and tool connection method. Their core feature is the use of multiple clamping mechanisms combined with reinforced support structures, which effectively suppresses cutting vibration and improves force transmission efficiency. This allows them to maintain tool positioning accuracy and machining stability even under harsh conditions such as high-speed, heavy-load, or intermittent cutting, ultimately improving machining quality and extending tool life. These tool systems typically include three main functional modules: precise positioning, powerful clamping, and dynamic reinforcement, making them key process equipment for high-end CNC machining. However, existing stable clamping cutting tools still suffer from problems such as the tool body lacking support, making them prone to breakage during use, and unreliable support structures.
[0003] Therefore, it is essential to invent a cutting tool with stable clamping. Utility Model Content
[0004] To address the aforementioned technical problems, this utility model provides a stable clamping cutting tool, solving the issues that existing stable clamping cutting tools still suffer from unsupported tool bodies, susceptibility to breakage during use, and unreliable support structures. A stable clamping cutting tool includes a connecting tapered end, a clamping flange, a locking device, meshing teeth, a machining tool, and a connecting reinforcement structure, wherein: the clamping flange is fixedly installed at one end of the connecting tapered end, and the locking device is installed at one end of the clamping flange; the meshing teeth are installed inside the locking device, and the machining tool is fixedly installed inside the meshing teeth; the connecting reinforcement structure is fixedly installed outside the locking device and the machining tool.
[0005] The machining tool includes a supporting tool body, a supporting tool head, a machining tool tip, and a mating slot. The supporting tool body is fixedly installed inside the meshing teeth, and the supporting tool head is fixedly installed at one end of the supporting tool body. The machining tool tip is installed on the supporting tool head, and the mating slot is formed on the supporting tool body.
[0006] The connecting reinforcement structure includes a locking reinforcement shell, a reinforcement intermediate body, a tool reinforcement shell, a positioning structure, and connecting bolt holes. The reinforcement intermediate body is fixedly installed between the locking reinforcement shell and the tool reinforcement shell to form a reinforcement assembly. The positioning structure and connecting bolt holes are respectively fixedly installed on the two sets of reinforcement assemblies, and the positioning structure and connecting bolt holes connect the two sets of reinforcement assemblies into one unit.
[0007] When the machining tool is installed inside the meshing teeth, 2 / 3 of the supporting tool body is located inside the meshing teeth, and 1 / 3 is exposed outside; the mating groove is designed at the position where the supporting tool body is exposed outside, and the mating groove adopts a ring groove.
[0008] The connecting reinforcement structure forms two sets of reinforcement components through locking reinforcement shell, reinforcement intermediate body and tool reinforcement shell, and wraps the exposed parts of locking device and processing tool; a pair of semi-circular blocks protrude outward on the inner wall of the tool reinforcement shell and can be engaged inside the docking slot to fill the docking slot.
[0009] Compared with the prior art, the present invention has the following beneficial effects: 1. The cutting tool of this utility model is designed so that force transmission is achieved by embedding 2 / 3 of the tool body length into the meshing teeth, while the exposed 1 / 3 portion is provided with a mating groove to form an anti-torsional pair with the tool reinforcing shell; the supporting tool head supports the cutting tip to complete the cutting, and at the same time, the connecting reinforcing structure wraps around the exposed portion to enhance rigidity. This design, through the mechanical interlocking of the meshing teeth and the auxiliary positioning of the mating groove, combines high stability with modular tool changing function, and is suitable for heavy cutting, precision machining and other scenarios.
[0010] 2. The connection reinforcement structure of this utility model, through a metal structure composed of a locking reinforcement shell, a reinforcement intermediate body, and a tool reinforcement shell, comprehensively encloses the exposed parts of the locking device and the machining tool, forming a dual reinforcement mechanism: on the one hand, the positioning structure ensures precise alignment, and the high-strength connection of the connecting bolt holes establishes an optimized force transmission path; on the other hand, the semi-circular protrusions on the inner wall of the tool reinforcement shell cooperate with the annular groove of the mating slot to form circumferential anti-torsional constraint. This structure increases the dynamic rigidity of the cutting system by more than 50%, while also possessing vibration suppression, stress dispersion, and protection functions, making it a core guarantee for achieving high-stability machining. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of this utility model.
[0012] Figure 2 This is a schematic diagram of the machining tool of this utility model.
[0013] Figure 3 This is a schematic diagram of the connection reinforcement structure of this utility model.
[0014] In the picture: 1. Connecting cone end; 2. Clamping flange; 3. Locking device; 4. Engaging teeth; 5. Machining tool; 51. Supporting tool body; 52. Supporting tool head; 53. Machining tool tip; 54. Butt joint groove; 6. Connecting reinforcing structure; 61. Locking reinforcing shell; 62. Reinforcing intermediate body; 63. Tool reinforcing shell; 64. Positioning structure; 65. Connecting bolt hole. Detailed Implementation
[0015] To enable those skilled in the art to better understand the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of the present invention.
[0016] As attached Figure 1 To be continued Figure 3 As shown.
[0017] This utility model provides a stable clamping cutting tool, including a connecting tapered end 1, a clamping flange 2, a locking device 3, a meshing tooth 4, a machining tool 5, and a connecting reinforcement structure 6, wherein: the clamping flange 2 is fixedly installed at one end of the connecting tapered end 1, and the locking device 3 is installed at one end of the clamping flange 2; the meshing tooth 4 is installed inside the locking device 3, and the machining tool 5 is fixedly installed inside the meshing tooth 4; the connecting reinforcement structure 6 is fixedly installed on the outside of the locking device 3 and the machining tool 5.
[0018] The machining tool 5 includes a supporting tool body 51, a supporting tool head 52, a machining tool tip 53, and a mating groove 54. The supporting tool body 51 is fixedly installed inside the meshing teeth 4, and the supporting tool head 52 is fixedly installed at one end of the supporting tool body 51. The machining tool tip 53 is installed on the supporting tool head 52. The mating groove 54 is formed on the supporting tool body 51.
[0019] The connecting reinforcement structure 6 includes a locking reinforcement shell 61, a reinforcement intermediate body 62, a tool reinforcement shell 63, a positioning structure 64, and a connecting bolt hole 65. The reinforcement intermediate body 62 is fixedly installed between the locking reinforcement shell 61 and the tool reinforcement shell 63 to form a reinforcement assembly. The positioning structure 64 and the connecting bolt hole 65 are respectively fixedly installed on the two sets of reinforcement assemblies, and the positioning structure 64 and the connecting bolt hole 65 connect the two sets of reinforcement assemblies into one unit.
[0020] When the machining tool 5 is installed inside the meshing tooth 4, 2 / 3 of the supporting tool body 51 is located inside the meshing tooth 4, and 1 / 3 is exposed outside; the mating groove 54 is designed at the position where the supporting tool body 51 is exposed outside, and the mating groove 54 adopts an annular groove.
[0021] The connecting reinforcement structure 6 forms two sets of reinforcement components through the locking reinforcement shell 61, the reinforcement intermediate body 62 and the tool reinforcement shell 63, and wraps the exposed parts of the locking device 3 and the processing tool 5; a pair of semi-circular blocks protrude outward on the inner wall of the tool reinforcement shell 63, which can be engaged inside the docking slot 54 to fill the docking slot 54.
[0022] This stable cutting tool clamping system adopts a modular integrated design, achieving efficient and stable cutting through the synergistic action of its various functional components. The system connects to the machine tool spindle via a connecting tapered end 1, with a clamping flange 2 providing radial support and a locking device 3 generating axial clamping force. Engaging teeth 4 cover the supporting tool body 51 of the machining tool 5 at 2 / 3 depth, forming the main clamping interface; the exposed section's butt groove 54 and the protrusion within the tool reinforcement shell 63 of the connecting reinforcement structure 6 form a secondary positioning surface, achieving dual constraint. The symmetrical truss design of the connecting reinforcement structure 6 forms a spatial force network, effectively dispersing cutting forces and ensuring machining stability.
[0023] This system significantly improves machining performance through a triple vibration damping design: a deeply embedded clamping structure enhances tool rigidity, a truss reinforcement system optimizes force transmission paths, and a circumferential constraint mechanism suppresses torsional vibration. The short overhang design of the machining tool 5 reduces the vibration of the machining tip 53 by 60%, and the uniformly distributed preload in the connecting bolt hole 65 ensures high-speed cutting stability.
[0024] Any technical solution that achieves the above-mentioned technical effects by utilizing the technical solution described in this utility model, or by designing a similar technical solution inspired by the technical solution described in this utility model, falls within the protection scope of this utility model.
Claims
1. A clamping and stable cutting tool, characterized in that: It includes a connecting cone end (1), a snap flange (2), a locking device (3), a meshing tooth (4), a machining tool (5), and a connecting reinforcement structure (6), wherein: the snap flange (2) is fixedly installed at one end of the connecting cone end (1), and the locking device (3) is installed at one end of the snap flange (2); the meshing tooth (4) is installed inside the locking device (3), and the machining tool (5) is fixedly installed inside the meshing tooth (4); the connecting reinforcement structure (6) is fixedly installed on the outside of the locking device (3) and the machining tool (5).
2. The clamping and stable cutting tool as described in claim 1, characterized in that: The machining tool (5) includes a supporting tool body (51), a supporting tool head (52), a machining tool tip (53), and a mating slot (54). The supporting tool body (51) is fixedly installed inside the meshing teeth (4), and the supporting tool head (52) is fixedly installed at one end of the supporting tool body (51). The machining tool tip (53) is installed on the supporting tool head (52). The mating slot (54) is opened on the supporting tool body (51).
3. A clamping and stable cutting tool as described in claim 1, characterized in that: The connecting reinforcement structure (6) includes a locking reinforcement shell (61), a reinforcement intermediate body (62), a tool reinforcement shell (63), a positioning structure (64), and a connecting bolt hole (65). The reinforcement intermediate body (62) is fixedly installed between the locking reinforcement shell (61) and the tool reinforcement shell (63) to form a reinforcement assembly. The positioning structure (64) and the connecting bolt hole (65) are respectively fixedly installed on the two sets of reinforcement assemblies, and the positioning structure (64) and the connecting bolt hole (65) connect the two sets of reinforcement assemblies into one.
4. A clamping and stable cutting tool as described in claim 2, characterized in that: When the machining tool (5) is installed inside the meshing tooth (4), 2 / 3 of the supporting tool body (51) is located inside the meshing tooth (4), and 1 / 3 is exposed outside; the mating slot (54) is designed at the position where the supporting tool body (51) is exposed outside, and the mating slot (54) adopts an annular slot.
5. A clamping and stable cutting tool as described in claim 3, characterized in that: The connecting reinforcement structure (6) forms two sets of reinforcement components by locking the reinforcement shell (61), reinforcing the intermediate body (62) and the tool reinforcement shell (63), and wraps the exposed parts of the locking device (3) and the processing tool (5); a pair of semi-circular blocks protrude outward on the inner wall of the tool reinforcement shell (63) and can be engaged inside the docking slot (54) to fill the docking slot (54).