Pulling-out prevention cutter for numerical control milling equipment

Abstract

The utility model relates to the technical field of machining, in particular to an anti-pulling cutter for numerical control milling equipment, which comprises a special cutter for the anti-pulling cutter, a mounting body, a pressing cap and a cutter clamp spring, a round boss is arranged at the tail of the special cutter for the anti-pulling cutter, and the cutter clamp spring is sleeved on the special cutter for the anti-pulling cutter. And the pressing cap is in threaded connection with the mounting main body and is pressed against one end of the cutter clamp spring, so that the other end part of the cutter clamp spring is pressed against a round boss of the special cutter for preventing the cutter from being pulled out. According to the anti-pull-out cutter used for the numerical control milling equipment, the numerical control milling cutter is designed in a customized mode, anti-pull-out limiting is added, the limiting is clamped to the end face of a clamping spring in the using process, and the anti-pull-out effect can be achieved through axial limiting; the numerical control milling equipment cutter handle pressing cap exerts axial force on the cutter handle body through locking, the axial force is transmitted to the middle clamp spring to be converted into radial force, and the clamp spring clamps a cutter. And finally, the effect of preventing the cutter from being pulled out is achieved through common clamping of the axial force and the radial force.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to an anti-pullout tool used in numerical control milling processing equipment. Background Art

[0002] In the modern machinery manufacturing industry, CNC milling, with its high precision, high efficiency, and highly automated characteristics, has become an indispensable and important tool in the field of mechanical processing. However, with the increasing complexity and diversification of processing requirements, the stability of tooling during CNC milling has become increasingly prominent. In particular, tool pullout (also known as "tool pullout") has become a key factor restricting processing quality and efficiency.

[0003] In the traditional CNC milling process, the occurrence of tool pull-out problems is mainly due to the combined effect of many factors. First, the increase in tool length leads to an increase in the aspect ratio, which in turn generates greater vibration and tremor during the processing. These vibrations not only aggravate the wear of the tool, but may also cause the pressure cap for installing the tool to loosen, and eventually cause the tool to be pulled out. Secondly, the instability of the processing conditions, such as uneven material hardness, improper setting of cutting parameters, etc., will also cause vibration of parts and tools during processing, thereby weakening the locking force of the tool holder pressure cap and increasing the risk of tool pulling out. In addition, for special processing scenarios such as side milling heads, due to the limitations of clamping space and clamping locking thread torque, the holding force of the tool is often difficult to guarantee, further exacerbating the occurrence of tool pulling out problems.

[0004] Once tool pullout occurs, the consequences are often severe. First, it interrupts machining, impacting production efficiency and potentially damaging the machine tool and cutting tool. Second, tool pullout often occurs late in the machining process, when the product is nearing completion. If this leads to scrap, it can result in significant financial losses and delivery delays. Furthermore, tool pullout is a hidden phenomenon, often undetectable only after it occurs, by which point the impact on product quality is irreversible.

[0005] Therefore, effectively preventing tool pullout during CNC milling has become a technical challenge that needs to be addressed urgently. While some existing technologies offer some anti-pullout measures, such as increasing tool clamping force and optimizing cutting parameters, these methods often suffer from limited applicability, complex operation, and unstable results. Therefore, developing a simple, easy-to-use, and effective tool pullout prevention system for CNC milling equipment is crucial for improving machining quality, ensuring production efficiency, and reducing economic losses. Utility Model Content

[0006] In order to solve the above problems, the utility model provides an anti-pullout tool for CNC milling processing equipment. The anti-pullout tool used in the CNC milling processing equipment solves the problems existing in the traditional cutting method, improves the cutting efficiency, reduces the production cost and maintenance difficulty, and has broad application prospects and market value.

[0007] The technical solution of the utility model is as follows:

[0008] An anti-pullout tool used in CNC milling processing equipment includes a special anti-pullout tool, a mounting body, a pressure cap and a tool retaining spring. A circular boss is provided at the tail of the special anti-pullout tool, and the tool retaining spring is sleeved on the special anti-pullout tool. The pressure cap is threadedly connected to the mounting body and presses against one end of the tool retaining spring so that the other end of the tool retaining spring presses against the circular boss of the special anti-pullout tool.

[0009] The diameter of the circular boss is 0.5 mm greater than the body diameter of the special tool for preventing knife pulling out.

[0010] The thickness of the circular boss is 0.5 mm.

[0011] The installation body is a side milling head body or a tool holder body.

[0012] The beneficial effects of the present invention are:

[0013] 1. The utility model discloses an anti-pullout tool for use in CNC milling equipment. The anti-pullout tool used in the CNC milling equipment effectively solves the problem of traditional tools being easily pulled out during the machining process by using a uniquely designed special anti-pullout tool in conjunction with a tool retaining spring. The circular boss design at the tail of the special anti-pullout tool, in close cooperation with the tool retaining spring, and the axial compression of the tool retaining spring by the pressure cap together constitute a stable anti-pullout structure. This design is not only suitable for all tools used in spindle machining of CNC milling equipment, but also ensures that the tool always remains stable and does not pull out under complex and changing machining conditions, thereby significantly improving the stability and safety of the machining process.

[0014] 2. The utility model discloses an anti-pullout tool for use in CNC milling equipment. By adjusting the design of the mounting body, the anti-pullout tool can be easily installed and effectively used with either a standard toolholder or a side milling head. This means that whether performing conventional spindle machining or complex curved surface machining requiring the participation of a side milling head, the anti-pullout protection provided by the present invention can be enjoyed, greatly broadening its application scope and flexibility.

[0015] 3. The utility model discloses an anti-pullout tool for use in CNC milling equipment. The anti-pullout tool used in the CNC milling equipment has an ingenious structural design, and the installation and use process is simple and quick. The user only needs to correctly install the special anti-pullout tool on the installation body, and then tighten the tool retaining spring through the pressure cap. The entire process does not require complicated adjustments or special tools, which greatly saves operation time and labor costs. At the same time, this convenient operation method also reduces the difficulty of operation, allowing even inexperienced operators to easily get started, thereby improving overall production efficiency.

[0016] 4. This utility model discloses a tool with an anti-pullout feature for use in CNC milling equipment. This tool effectively solves the problem of tool pullout, ensuring that the tool remains stable during machining, thereby reducing machining interruptions and part scrapping caused by tool pullout. This not only significantly reduces production costs and waste, but also significantly improves product machining accuracy and surface quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] By reading the detailed description of the preferred embodiment below, the solutions and advantages of the present application will become clear to those skilled in the art. The accompanying drawings are only used to illustrate the preferred embodiment and are not to be considered as limiting the present invention.

[0018] In the attached figure:

[0019] Figure 1 A schematic diagram of the three-dimensional structure of an anti-pullout tool used in a CNC milling machine according to an embodiment of the present utility model;

[0020] Figure 2 A schematic cross-sectional view of an anti-pullout tool used in a CNC milling machine according to an embodiment of the present invention;

[0021] Figure 3 A schematic structural diagram of a special tool for preventing tool pullout used in a CNC milling machine according to an embodiment of the present utility model;

[0022] The components represented by the reference numerals in the figure are:

[0023] The utility model comprises: 1. a special tool for preventing knife pulling out, 2. a mounting body, 3. a pressure cap, and 4. a tool retaining spring. DETAILED DESCRIPTION

[0024] During CNC milling, the tool often pulls out due to factors such as a large aspect ratio, insufficient rigidity of the workstation being machined, or limited torque holding the tool. This can severely impact machining quality and equipment safety. To address this issue, this paper presents a pull-out-resistant tool for use in CNC milling equipment. Through customized design and the addition of a pull-out-resistant stop, the tool's stability during machining is ensured.

[0025] like Figure 1 and Figure 2 As shown, the anti-pullout tool used in CNC milling equipment mainly consists of the following four parts:

[0026] Special knife for preventing knife pulling out 1: Figure 3 As shown, a round boss is designed at the tail of the tool to cooperate with the tool retaining spring 4 to achieve an anti-pullout function.

[0027] Installation body 2: It can be the side milling head body or the tool holder body, which can be selected according to specific processing requirements.

[0028] Pressure cap 3: Threadedly connected to the mounting body 2, used to compress the tool retaining spring 4 to achieve axial force transmission.

[0029] Tool retaining spring 4: It is mounted on the special tool 1 for preventing tool pulling out, and converts the axial force into radial force through the pressing action of the pressure cap 3 to clamp the tool.

[0030] Special tool for preventing knife pullout 1: A circular boss with a diameter of 0.5mm, larger than the diameter of the tool body, is added to the tail of the tool. The boss is 0.5mm thick. This design allows the boss to catch on the bottom of the retaining spring when the tool is inserted, forming an axial limit.

[0031] Tool retaining spring 4: Select a tool retaining spring 4 of standard size to ensure a close fit with the circular boss of the special tool for preventing knife pulling 1.

[0032] During assembly, insert the anti-knife-pullout tool 1 into the tool retaining spring 4, ensuring that the circular boss is locked at the bottom of the retaining spring. The retaining spring, complete with the tool, is then installed onto the side milling head body or the tool holder body. By rotating the pressure cap 3, it is threadedly connected to the mounting body 2 and compresses the tool retaining spring 4. At this point, the axial force of the pressure cap 3 is converted into radial force by the retaining spring, clamping the tool.

[0033] The anti-pullout tool used in this CNC milling equipment has a significant anti-pullout effect: due to the close fit between the circular boss and the tool retaining spring 4, and the locking effect of the pressure cap 3, the tool will not be pulled out even if it is subjected to a large radial force during the machining process.

[0034] The anti-pullout tool used in this CNC milling equipment has strong applicability: it is suitable for all CNC milling equipment spindle processing tools, as well as side milling head processing tools, and has a wide range of applicability.

[0035] The anti-pullout tools used in this CNC milling equipment improve processing quality: the stability and reliability of the tools are significantly improved, thereby improving processing accuracy and product quality.

[0036] The anti-pullout tool used in the CNC milling equipment is easy to operate: the installation and disassembly process of the invention is simple and quick, and does not require complicated debugging and calibration, thereby reducing the difficulty and cost of operation.

[0037] This utility model uses a pull-out prevention tool in CNC milling equipment. Through customized design and the addition of a pull-out prevention stop, it effectively solves the problem of the tool being pulled out during machining. This tool boasts a simple structure, easy installation, and significant pull-out prevention. It can be widely used in various CNC milling equipment, improving machining quality and equipment safety.

Claims

1. An anti-pullout tool for CNC milling equipment, characterized in that: The invention comprises a special knife for preventing knife pulling out (1), a mounting body (2), a pressure cap (3) and a knife retaining spring (4); a circular boss is provided at the tail of the special knife for preventing knife pulling out (1); the knife retaining spring (4) is sleeved on the special knife for preventing knife pulling out (1); the pressure cap (3) is threadedly connected to the mounting body (2) and presses against one end of the knife retaining spring (4) so ​​that the other end of the knife retaining spring (4) presses against the circular boss of the special knife for preventing knife pulling out (1).

2. The anti-pullout tool for CNC milling equipment according to claim 1, characterized in that: The diameter of the circular boss is 0.5 mm greater than the body diameter of the special knife for preventing knife pulling (1).

3. The anti-pullout tool for CNC milling equipment according to claim 2, characterized in that: The thickness of the circular boss is 0.5 mm.

4. The anti-pullout tool for CNC milling equipment according to claim 1, characterized in that: The installation body (2) is a side milling head body or a tool handle body.

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