Double-angle milling cutter suitable for titanium alloy machining
By designing cooling channels and a water collection system on the milling cutter, the problem of heat accumulation in the milling cutter during titanium alloy machining was solved, achieving effective cooling, reducing wear and breakage risks, and improving machining stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-31
AI Technical Summary
Existing milling cutters have poor thermal conductivity, resulting in high cutting temperatures during titanium alloy machining. This can easily lead to tool wear and breakage, and current cooling methods cannot effectively solve the problem of internal heat accumulation.
A dual-angle end mill was designed, comprising a cooling chamber, an annular groove, and a water collection cover. Coolant is injected through an inlet pipe, circulates within the cooling chamber, and cools the outer wall of the cutter head through an outlet hole. The cutter head is secured by a sleeve and a fixing bracket to ensure effective distribution of the coolant.
This achieves effective cooling of the milling cutter, reduces cutting temperature, decreases tool wear and breakage risk, and improves machining stability.
Smart Images
Figure CN224058779U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a milling cutter related technical field, concretely to a double angle milling cutter suitable for titanium alloy processing. BACKGROUND
[0002] The double angle milling cutter is one of angle milling cutters, and the angle milling cutter can be divided into symmetric double angle milling cutters and asymmetric double angle milling cutters, and is mainly used for milling angle grooves, inclined surfaces and spiral grooves and step surfaces. In the process of titanium alloy workpiece machining, the titanium alloy has poor heat conductivity and high cutting temperature, so the cutter is easily worn out, and the existing milling process adopts spraying cutting fluid for cooling, so that only the surface of the milling cutter can be cooled, heat accumulation in the milling cutter is prone to occur, and the milling cutter is prone to breakage. SUMMARY
[0003] To solve the defects in the prior art, the utility model provides a double angle milling cutter suitable for titanium alloy processing.
[0004] To solve the above technical problems, the utility model provides the following technical scheme:
[0005] The utility model relates to a double angle milling cutter suitable for titanium alloy processing, which comprises a double angle milling cutter main body composed of a cutter head and a cutter handle, an annular groove recessed inward is arranged on the upper end of the cutter handle, a water collecting cover is arranged on the periphery of the annular groove of the cutter handle, a cooling cavity extending from the cutter handle to the cutter head is arranged on the double angle milling cutter main body, a liquid discharge hole communicating with the cooling cavity is arranged on the cutter head, a sleeve connected with the water collecting cover is arranged, a liquid inlet pipe is arranged on the sleeve, a fixing frame is arranged on the sleeve, the sleeve does not contact the cutter handle and the water collecting cover, and the sleeve is fixed to the milling machine frame through the fixing frame.
[0006] As a preferred technical scheme of the utility model, a plurality of liquid outlet holes are arranged on the bottom of the water collecting cover.
[0007] As a preferred technical scheme of the utility model, an extension part extending downward and covering the upper part of the water collecting cover is arranged on the bottom of the water collecting cover.
[0008] As a preferred technical scheme of the utility model, a plurality of liquid inlet pipes are arranged, and are annularly distributed on the periphery of the sleeve; an annular pipe is arranged on the outer part of the sleeve, and the annular pipe communicates with the liquid inlet pipe; and a liquid inlet main pipe is arranged on the annular pipe.
[0009] As a preferred technical scheme of the utility model, the clamping surface of the clamping block is fixed with a rubber bottom pad, and the rubber bottom pad is provided with a groove matched with the end of the product to be clamped.
[0010] As a preferred technical scheme of the utility model, the rubber bottom pad is fixed on the clamping surface of the clamping block through bolts.
[0011] As a preferred technical scheme of the utility model, the cutter head and the cutter handle are fixed through bolts.
[0012] As a preferred technical scheme of the utility model, the water collecting cover is fixed with a water guide cover inclined towards the cutter handle through bolts.
[0013] The utility model has the advantages of:
[0014] The double-angle milling cutter suitable for titanium alloy machining has the cooling cavity extending from the cutter handle to the cutter head on the double-angle milling cutter main body, the annular groove recessed inward is arranged on the upper end of the cutter handle, the annular groove is communicated with the cooling cavity, the water collecting cover is arranged on the periphery of the annular groove, then the sleeve is installed, the cooling liquid is injected into the sleeve through the liquid inlet pipe, the cooling liquid enters the water collecting cover and then enters the cooling cavity through the annular groove, so that the cooling effect is good, the bottom of the water collecting cover is provided with a plurality of liquid outlet holes, part of the cooling liquid can flow downwards along the cutter head along the liquid outlet holes, so that the outer wall of the cutter head is cooled well. BRIEF DESCRIPTION OF DRAWINGS
[0015] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model and do not constitute the limitation to the utility model.
[0016] Figure 1 It is the local structure schematic view of the double-angle milling cutter suitable for titanium alloy machining of the utility model;
[0017] Figure 2 It is the structure schematic view of the water collecting cover of the double-angle milling cutter suitable for titanium alloy machining of the utility model;
[0018] Figure 3 It is the double-angle milling cutter suitable for titanium alloy machining of the utility model; Figure 1 It is the structure schematic view of the double-angle milling cutter suitable for titanium alloy machining of the utility model.
[0019] In the drawing: 1, cutter head; 2, cutter handle; 3, double-angle milling cutter main body; 4, annular groove; 5, water collecting cover; 6, cooling cavity; 7, liquid discharge hole; 8, sleeve; 9, liquid inlet pipe; 10, fixing frame; 12, liquid outlet hole; 13, extension; 14, annular pipe; 15, liquid inlet main pipe; 16, water guide cover. DETAILED DESCRIPTION
[0020] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.
[0021] Embodiment: as shown in Figure 1 , Figure 2 , Figure 3 The utility model discloses a double angle milling cutter suitable for titanium alloy processing, including the double angle milling cutter main part 3 that is composed of the cutter head 1 and the shank 2, the upper end of shank 2 is equipped with the annular groove 4 of the annular setting inwards, and the shank 2 is equipped with the water collecting cover 5 in the periphery of annular groove 4, the double angle milling cutter main part 3 is equipped with the cooling cavity 6 that extends from shank 2 to cutter head 1, and the cutter head 1 is equipped with the liquid discharge hole 7 that communicates with cooling cavity, and the sleeve 8 that is equipped with the water collecting cover 5 is connected, the sleeve 8 is equipped with the liquid inlet pipe 9, and the sleeve 8 is equipped with the fixing frame 10, the sleeve 8 does not contact with shank 2 and water collecting cover 5, and the sleeve 8 is fixed with milling machine frame through fixing frame 10, so that the sleeve moves with the movement of milling cutter, and does not collide with milling cutter, and the annular groove 4 and cooling cavity 6 are equipped with through hole. Among them, the bottom of water collecting cover 5 is equipped with multiple liquid outlet holes 12. By being equipped with the cooling cavity 6 that extends from shank 2 to cutter head 1 on the double angle milling cutter main part 3, and being equipped with the annular groove 4 of the annular setting inwards on the upper end of shank 2, wherein the annular groove 4 is communicated with the cooling cavity 6, and being equipped with the water collecting cover 5 in the periphery of annular groove 4, then install sleeve 8, inject cooling liquid into sleeve 8 through liquid inlet pipe 9, then the cooling liquid enters into water collecting cover 5, and enters into cooling cavity 6 through annular groove 4, so as to have better cooling effect, wherein the bottom of water collecting cover 5 is equipped with multiple liquid outlet holes 12, so that part of the cooling liquid can flow down along the liquid outlet hole 12 along the cutter head 1, so as to have better cooling effect on the outer wall of cutter head 1. In the actual production and manufacturing, cooling liquid is also injected into the cavity of hollow shaft milling cutter, but the sealing requirement is high during high-speed rotation of hollow shaft, and cutting fluid leakage phenomenon is easy to occur during use.
[0022] Among them, the bottom of water collecting cover 5 is equipped with the extension 13 that extends downwards and covers the upper part of water collecting cover 5, so as to cover the outer port of water collecting cover 5, to avoid the splashing of cooling liquid everywhere during rotation.
[0023] Among them, the liquid inlet pipe 9 is equipped with multiple and annularly distributed in the periphery of sleeve 8, the outer part of sleeve 8 is equipped with annular pipe 14, and the annular pipe 14 is communicated with liquid inlet pipe 9, the annular pipe 14 is equipped with liquid inlet main pipe 15, so as to carry out multidirectional liquid inlet, and have larger liquid inlet amount.
[0024] The cutter head 1 and the cutter handle 2 are fixed together by bolts, which facilitates installation and disassembly.
[0025] The water collection cover 5 is bolted to a water guide cover 16 that is inclined toward the cutter handle 2, so as to guide the coolant flowing down the inner wall of the sleeve to the outer wall of the cutter head 1, thereby providing a better cooling effect on the outer wall of the cutter head 1.
[0026] Working principle: This type of dual-angle end mill, suitable for machining titanium alloys, has a cooling channel 6 extending from the shank 2 to the head 1 on the main body 3. An annular groove 4, recessed inwards, is located at the upper end of the shank 2 and communicates with the cooling channel 6. A water collection shroud 5 is located around the annular groove 4. A sleeve 8 is then installed, and coolant is injected into the sleeve 8 through the inlet pipe 9. The coolant then enters the water collection shroud 5 and flows into the cooling channel 6 through the annular groove 4, thus achieving a good cooling effect. The bottom of the water collection shroud 5 has multiple outlet holes 12, allowing some coolant to flow down the head 1 along the outlet holes 12, thus providing good cooling to the outer wall of the head 1.
[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A double angle milling cutter suitable for machining of titanium alloys, comprising a double angle milling cutter body (3) consisting of a cutter head (1) and a shank (2); characterized in that, The upper end of the shank (2) is provided with an annular inwardly recessed annular groove (4), and the shank (2) is provided with a water collecting cover (5) on the periphery of the annular groove (4), the double-angle milling cutter body (3) is provided with a cooling cavity (6) extending from the shank (2) to the cutter head (1), the cutter head (1) is provided with a liquid discharge hole (7) communicating with the cooling cavity, and the sleeve (8) connected with the water collecting cover (5) is provided, the sleeve (8) is provided with a liquid inlet pipe (9), and the sleeve (8) is provided with a fixing frame (10), the sleeve (8) is not in contact with the shank (2) and the water collecting cover (5), and the sleeve (8) is fixed with the milling machine frame through the fixing frame (10); a through hole is arranged between the annular groove (4) and the cooling cavity (6).
2. The dual angle cutter suitable for machining of titanium alloys as claimed in claim 1 wherein, The bottom of the water collecting cover (5) is provided with a plurality of liquid outlet holes (12).
3. The dual angle cutter suitable for machining of titanium alloys as claimed in claim 1 wherein, The bottom of the water collecting cover (5) is provided with an extension (13) extending downward and covering the upper part of the water collecting cover (5).
4. The dual angle cutter suitable for machining of titanium alloys as claimed in claim 2 wherein, The liquid inlet pipe (9) is provided with a plurality of annularly distributed outer peripheries of the sleeve (8), the outer part of the sleeve (8) is provided with an annular pipe (14), and the annular pipe (14) communicates with the liquid inlet pipe (9), the annular pipe (14) is provided with a liquid inlet main pipe (15).
5. The dual angle cutter suitable for machining of titanium alloys as claimed in claim 1 wherein, The cutter head (1) and the shank (2) are fixed by bolts.
6. The dual angle cutter suitable for machining of titanium alloys as claimed in claim 1 wherein, The water collecting cover (5) is fixed with a water guide cover (16) inclined to the shank (2) by bolts.