High-precision anti-resonance highlight forming cutter

By designing unequally divided peripheral and end tooth structures, combined with oblique cutting edges and radius (R-angle), the resonance problem of conventional milling cutters is solved, improving machining accuracy and lifespan, and enabling rounded corner treatment, thus enhancing the practicality and efficiency of the tool.

CN223819709UActive Publication Date: 2026-01-23DONGGUAN XINYAN PRECISION TOOL CO LTD
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Patent Information

Application Number
CN202423162338.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-01-23
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In the existing technology, conventional solid carbide end mills are prone to resonance during the cutting process, which affects the machining accuracy and lifespan. In addition, they have limited functionality and cannot effectively handle chamfering.

Method used

Design a high-precision anti-resonance high-gloss forming tool, which adopts unequally divided peripheral cutting edge and end teeth, combined with oblique cutting edge and R angle to avoid resonance, and achieves rounded corner treatment through oblique cutting edge and R angle.

Benefits of technology

It effectively avoids resonance, improves machining accuracy and lifespan, and achieves rounded corner treatment, increasing the practicality of the tool and machining efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of milling products, in particular to a high-precision anti-resonance highlight forming cutter which comprises a cutter handle, a cutter body is arranged at one end of the cutter handle, a plurality of spiral circumferential blades are arranged on the periphery of the cutter body, end teeth correspondingly connected with the circumferential blades are arranged on the end face of the cutter body, and the end teeth are arranged in an unequal mode. Each circumferential blade comprises a linear blade and an oblique blade which are connected with each other, an angle R is arranged between the linear blade and the oblique blade, the linear blade is connected with the end teeth, and the end teeth are arranged in an unequal manner, so that the resonance phenomenon caused by equal arrangement of the cutter in the cutting process is effectively avoided; and in addition, through the arrangement of the oblique line edge and the R angle, the workpiece can be subjected to rounding treatment, and the practicability is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the milling product field, especially a high light forming cutter of high precision anti -resonance. BACKGROUND

[0002] In prior art, the conventional whole hard alloy milling cutter will produce vibration of certain frequency in the cutting process, when the vibration frequency is consistent with the inherent frequency of the milling cutter at certain speed, resonance phenomenon will be caused, the milling cutter processing stability is reduced under the resonance state, which greatly influences the processing precision, and causes the loss of tool life, and the function of conventional milling cutter is single, and it cannot chamfer, and the tool needs to be replaced when chamfering the workpiece, influencing the processing efficiency. SUMMARY

[0003] The utility model discloses to overcome the above situation's insufficient, aims at providing a kind of technical scheme to solve above problem.

[0004] A kind of high precision anti-resonance's high light forming cutter, including handle, the handle one end is equipped with tool body, the outer periphery of tool body is equipped with multiple spiral peripheral edges, the end face of tool body is equipped with the end tooth corresponding with peripheral edge connection, multiple end teeth are unequally divided, wherein, multiple peripheral edges include the straight line edge and the oblique line edge connected, R angle is equipped between straight line edge and oblique line edge, straight line edge and end tooth are connected.

[0005] As a further scheme of the utility model: the number of peripheral edges is four, four peripheral edges are all set to right spiral, and the tool groove is equipped between the two adjacent peripheral edges.

[0006] As a further scheme of the utility model: the number of end tooth is four, four end teeth are respectively connected with four peripheral edges, and the tooth slot that is communicated with tool groove is equipped between the two adjacent end teeth.

[0007] As a further scheme of the utility model: four peripheral edges are first peripheral edge, second peripheral edge, third peripheral edge and fourth peripheral edge respectively, the spiral angle of first peripheral edge and third peripheral edge is all 36 °, and the spiral angle of second peripheral edge and fourth peripheral edge is 39 °.

[0008] As a further scheme of the utility model: four end teeth are first end tooth, second end tooth, third end tooth and fourth end tooth respectively, and cutting surface is equipped on first end tooth, second end tooth, third end tooth and fourth end tooth, wherein, the included angle between the cutting surface of first end tooth and the cutting surface of second end tooth is 93 °, the included angle between the cutting surface of second end tooth and the cutting surface of third end tooth is 87 °, the included angle between the cutting surface of third end tooth and the cutting surface of fourth end tooth is 93 °, and the included angle between the cutting surface of fourth end tooth and the cutting surface of first end tooth is 87 °.

[0009] As a further scheme of the utility model: the inner wall of the tool groove and the tooth groove is arc-shaped.

[0010] As a further scheme of the utility model: the first end tooth and the third end tooth are connected with the cross blade.

[0011] As a further scheme of the utility model: the distance between the cutting surface of the first end tooth and the center of the tool body is 0.05mm, the distance between the cutting surface of the third end tooth and the fourth end tooth is 0.65mm, and the distance between the cutting surface of the fourth end tooth and the first end tooth is 0.5mm.

[0012] As a further scheme of the utility model: the rake angle of the peripheral blade is 8°, the first relief angle of the peripheral blade is 3°, the second relief angle of the peripheral blade is 10°, the blade surface width of the first relief angle is 0.02-0.03mm, and the blade surface width of the second relief angle is 0.16mm.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the end teeth are unevenly divided, effectively avoiding resonance phenomenon caused by equal division during cutting, thereby improving precision and prolonging service life of the tool, and through the setting of the oblique blade and the R angle, the workpiece can be chamfered, increasing practicability.

[0014] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0016] Figure 1 It is the structure schematic diagram of the utility model.

[0017] Figure 2 It is the tool groove part structure schematic diagram of the utility model.

[0018] Figure 3 It is the tooth groove part structure schematic diagram of the utility model.

[0019] Figure 4 It is the cross blade part structure schematic diagram of the utility model.

[0020] Figure 5 It is the end tooth part structure schematic diagram of the utility model.

[0021] Figure 6 It is the cross section structure schematic diagram of the cutter body of the utility model.

[0022] Figure 7 It is Figure 6 The A place partial close-up view of

[0023] In the drawing: 1, handle, 2, cutter body, 3, peripheral edge, 4, end tooth, 5, cutter groove, 6, tooth groove, 7, transverse edge, 31, straight edge, 32, oblique edge, 33, R angle, 34, first peripheral edge, 35, second peripheral edge, 36, third peripheral edge, 37, fourth peripheral edge, 41, first end tooth, 42, second end tooth, 43, third end tooth, 44, fourth end tooth. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0025] Please refer to Figures 1-7 In the embodiments of the utility model, a high-precision anti-resonance high light forming cutter comprises a handle 1, one end of the handle 1 is provided with a cutter body 2, the outer periphery of the cutter body 2 is provided with a plurality of spiral peripheral edges 3, the end face of the cutter body 2 is provided with end teeth 4 connected with the peripheral edges 3 correspondingly, the plurality of end teeth 4 are unequally divided, wherein the plurality of peripheral edges 3 all comprise connected straight edges 31 and oblique edges 32, an R angle 33 is arranged between the straight edges 31 and the oblique edges 32, the straight edges 31 are connected with the end teeth 4, the end teeth 4 of the utility model are unequally divided, which effectively avoids the resonance phenomenon caused by equal division of the cutter in the cutting process, thereby improving the precision and prolonging the service life of the cutter, and through the arrangement of the oblique edges 32 and the R angle 33, the workpiece can be chamfered, the practicability is increased, the design of the R angle 33 also makes the straight edges 31 and the oblique edges 32 smoothly transition, so as to avoid the existence of dead corners or sharp angles between the straight edges 31 and the oblique edges 32, which causes the accumulation of chips, thereby making the chips more smoothly discharged.

[0026] The number of the peripheral edges 3 is four, the four peripheral edges 3 are all arranged rightward spirally, and the tooth grooves 5 are arranged between the two adjacent groups of peripheral edges 3. The number of the end teeth 4 is four, the four end teeth 4 are connected with the four peripheral edges 3 correspondingly, and the tooth grooves 6, which are communicated with the cutter grooves 5, are arranged between the two adjacent groups of end teeth 4. The chips generated during the machining of the workpiece can be discharged through the cutter grooves 5 and the tooth grooves 6, so as to avoid the winding of the chips around the cutter or the blockage of the machining area, thereby improving the machining efficiency and the surface quality.

[0027] The four peripheral edges 3 are respectively a first peripheral edge 34, a second peripheral edge 35, a third peripheral edge 36 and a fourth peripheral edge 37, the helix angles of the first peripheral edge 34 and the third peripheral edge 36 are both 36°, and the helix angles of the second peripheral edge 35 and the fourth peripheral edge 37 are both 39°. The four end teeth 4 are respectively a first end tooth 41, a second end tooth 42, a third end tooth 43 and a fourth end tooth 44, and the cutting surfaces are arranged on the first end tooth 41, the second end tooth 42, the third end tooth 43 and the fourth end tooth 44, wherein the included angle between the cutting surface of the first end tooth 41 and the cutting surface of the second end tooth 42 is 93°, the included angle between the cutting surface of the second end tooth 42 and the cutting surface of the third end tooth 43 is 87°, the included angle between the cutting surface of the third end tooth 43 and the cutting surface of the fourth end tooth 44 is 93°, and the included angle between the cutting surface of the fourth end tooth 44 and the cutting surface of the first end tooth 41 is 87°. In this way, the peripheral edges 3 and the end teeth 4 are designed with unequal division and unequal helix, so that the peripheral edges 3 and the end teeth 4 irregularly cut the workpiece at different time beats, which can greatly reduce the resonance possibility, effectively reduce the vibration and noise in the cutting process, prevent the blade from breaking due to vibration, and further prolong the service life.

[0028] In order to make the chip removal more smooth, the inner walls of the tool groove 5 and the tooth groove 6 are in arc shape.

[0029] The first end tooth 41 and the third end tooth 43 are connected with the transverse edge 7, and the transverse edge 7 can ensure the cutting force of the end surface and mill the workpiece flat.

[0030] The distance e1 between the cutting surface of the first end tooth 41 and the center of the tool body 2 is 0.05mm, the distance s1 between the cutting surface of the third end tooth 43 and the fourth end tooth 44 is 0.65mm, and the distance s2 between the cutting surface of the fourth end tooth 44 and the first end tooth 41 is 0.5mm.

[0031] The rake angle a of the peripheral edge 3 is 8°, the first relief angle b of the peripheral edge 3 is 3°, the second relief angle c of the peripheral edge 3 is 10°, the width of the blade surface of the first relief angle is 0.02-0.03mm, and the width of the blade surface of the second relief angle is 0.16mm.

[0032] The total length of the high-precision anti-resonance high-light forming cutter provided by the utility model is 50mm, wherein the length of the tool body 2 is 1.67mm, the diameter of the tool handle 1 is 4mm, and the diameter of the tool body 2 is 3.5mm.

[0033] Through reasonable size setting, the cutter can make the cut surface smoother and reduce burrs in the cutting process.

[0034] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A high-precision, anti-resonance, high-gloss forming tool, characterized in that, The blade includes a handle, one end of which is a blade body. The outer circumference of the blade body is provided with multiple spiral-shaped peripheral blades. The end face of the blade body is provided with end teeth that are connected to the peripheral blades. The multiple end teeth are not equally spaced. Each of the multiple peripheral blades includes a straight blade and a beveled blade connected to each other. An R-angle is provided between the straight blade and the beveled blade. The straight blade and the end teeth are connected.

2. The high-precision anti-resonance high-gloss forming tool according to claim 1, characterized in that: There are four peripheral blades, all of which are spiraled to the right, and there is a groove between two adjacent sets of peripheral blades.

3. The high-precision anti-resonance high-gloss forming tool according to claim 2, characterized in that: There are four end teeth, which are connected to four peripheral cutting edges respectively. There are tooth grooves that communicate with the cutting grooves between two adjacent sets of end teeth.

4. A high-precision anti-resonance high-gloss forming tool according to claim 3, characterized in that: The four circular cutting edges are designated as the first, second, third, and fourth circular cutting edges. The helix angles of the first and third circular cutting edges are both 36°, while those of the second and fourth circular cutting edges are 39°.

5. A high-precision anti-resonance high-gloss forming tool according to claim 3, characterized in that: The four end teeth are designated as the first end tooth, the second end tooth, the third end tooth, and the fourth end tooth. Each of the four end teeth has a cutting surface. The angle between the cutting surfaces of the first and second end teeth is 93°, the angle between the cutting surfaces of the second and third end teeth is 87°, the angle between the cutting surfaces of the third and fourth end teeth is 93°, and the angle between the cutting surface of the fourth end tooth and the cutting surface of the first end tooth is 87°.

6. A high-precision anti-resonance high-gloss forming tool according to claim 3, characterized in that: The inner walls of both the cutting groove and the tooth groove are arc-shaped.

7. A high-precision anti-resonance high-gloss forming tool according to claim 5, characterized in that: A transverse cutting edge connects the first and third end teeth.

8. A high-precision anti-resonance high-gloss forming tool according to claim 5, characterized in that: The distance between the cutting surface of the first end tooth and the center of the tool body is 0.05 mm, the distance between the cutting surface of the third end tooth and the fourth end tooth is 0.65 mm, and the distance between the cutting surface of the fourth end tooth and the first end tooth is 0.5 mm.

9. A high-precision anti-resonance high-gloss forming tool according to claim 1, characterized in that: The rake angle of the circumferential blade is 8°, the first clearance angle of the circumferential blade is 3°, the second clearance angle of the circumferential blade is 10°, the blade width at the first clearance angle is 0.02~0.03mm, and the blade width at the second clearance angle is 0.16mm.