End face finish machining cutter

Abstract

The utility model relates to the technical field of precision machining, and discloses an end face finish machining cutter which comprises a cutter handle. The cutter head is arranged at the end part of the cutter handle; the blade is arranged on the periphery of the tool bit, the blade comprises an end blade part and a side blade part, and the end blade part comprises a sleeking blade part and a connecting part and is used for conducting finish machining on the surface of a material. A plurality of chip grooves are formed in the periphery of the tool bit in the circumferential direction, and each blade is arranged in the corresponding chip groove. The side blade part is arranged away from the axis of the tool bit, and the end blade part is arranged away from the tool handle. The end face machining of various metal materials can be achieved, the cutter point can be effectively prevented from being broken, the service life of the cutter is prolonged, and a high-quality surface can be obtained.

Description

Technical Field

[0001] The utility model relates to the technical field of precision machining, and more specifically, to an end face finishing tool. Background Art

[0002] Currently, non-ferrous metals (such as aluminum alloys, titanium alloys, and copper) are widely used in electronics, automotive, aerospace, and other fields due to their advantages. These applications require high-precision surface machining. Existing tools made of tungsten steel or high-speed steel are generally used for surface machining of non-ferrous metals. However, surfaces machined with these tools are prone to severe ring marks, poor surface finish, and a short tool life. Summary of the Invention

[0003] The purpose of the utility model is to provide an end face finishing tool to improve the processing quality of the material surface in order to solve the technical problems existing in the prior art.

[0004] In order to solve the above problems, the technical solution adopted by the present invention is:

[0005] The utility model provides an end face finishing tool, comprising:

[0006] knife handle;

[0007] A cutter head, provided at the end of the handle;

[0008] The blade is arranged on the outer periphery of the cutter head. The blade includes an end edge portion and a side edge portion. The end edge portion includes a finishing edge portion and a connecting portion, and is used for finishing the surface of the material.

[0009] Furthermore, the outer periphery of the cutter head is provided with a plurality of chip removal grooves along the circumferential direction, and the blade is respectively arranged in each of the chip removal grooves; the side edge portion is arranged away from the axis of the cutter head, and the end edge portion is arranged away from the shank.

[0010] Furthermore, the connecting portion and the wiper edge portion are arranged along the radial direction of the cutter head, the connecting portion is close to the surface of the cutter head, and the two ends of the wiper edge portion are respectively connected to the connecting portion and the side edge portion.

[0011] Furthermore, the inclination angle λ of the connecting portion is 0°≤λ≤15°.

[0012] Furthermore, the plane where the wiper blade portion is located is perpendicular to the axis of the tool head.

[0013] Furthermore, the front angle α of the blade is -15°≤α≤10°, the first clearance angle β is 0°≤β≤30°, and the second clearance angle θ is 0°≤θ≤60°.

[0014] Furthermore, the shear angle γ of the chip groove is 0°≤γ≤30°.

[0015] Furthermore, the diameter of the tool handle is D, and the length L of the wiper blade portion satisfies 0<L / D≤0.5.

[0016] Furthermore, the end cutting edge portion further includes a cutting edge arc portion, and two ends of the cutting edge arc portion are respectively connected to the wiper cutting edge portion and the side cutting edge portion.

[0017] Furthermore, the arc surface of the blade arc portion is convex in a direction away from the center of the blade, and the blade arc radius R of the blade arc portion is 0.001mm≤R≤100mm.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] The utility model can realize the end surface processing of various metal materials. By setting the finishing blade part, it makes it easier for the tool to process the material surface, effectively prevents the tip of the tool from chipping, improves the tool life, and also obtains high-quality surface. It has a simple structure and is easy to process and implement. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the solutions in the present invention, the following is a brief introduction to the drawings required for the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0021] Figure 1 This is a structural diagram of the end face finishing tool of the utility model.

[0022] Figure 2 It is a partial schematic diagram of the end face finishing tool of the present utility model.

[0023] Figure 3 This is a schematic diagram of the parameters of the blade of the blade in the present invention.

[0024] Figure 4 This is a schematic diagram of the blade in Example 1 of the present invention.

[0025] Figure 5 This is a schematic diagram of the blade in the second embodiment of the present invention.

[0026] Among them, 10-tool handle, 20-tool head, 21-chip groove, 30-blade, 31-end edge portion, 32-side edge portion, 311-finishing edge portion, 312-connecting portion, 313-edge arc portion, 40-transition portion. DETAILED DESCRIPTION

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art to which this invention pertains; the terms used in this specification are for the purpose of describing specific embodiments only and are not intended to limit this invention; for example, terms such as “length,” “width,” “up,” “down,” “left,” “right,” “front,” “back,” “vertical,” “horizontal,” “top,” “bottom,” “inside,” and “outside” indicate directions or positions based on those shown in the accompanying drawings, which are for ease of description only and are not to be construed as limiting this technical solution.

[0028] The terms "including" and "having" and any variations thereof in the specification and claims of the present invention and the above-mentioned drawings are intended to cover non-exclusive inclusions; the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish different objects rather than to describe a specific order. In the specification and claims of the present invention and the above-mentioned drawings, when an element is referred to as being "fixed on" or "mounted on" or "disposed on" or "connected to" another element, it may be directly or indirectly located on the other element. For example, when an element is referred to as being "connected to" another element, it may be directly or indirectly connected to the other element.

[0029] Furthermore, references to "embodiments" herein mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present invention. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0030] Example 1

[0031] See Figures 1 to 4 As shown in , the utility model provides an end face finishing tool, comprising:

[0032] Handle 10;

[0033] A cutter head 20 is provided at the end of the handle 10;

[0034] The blade 30 is provided on the outer periphery of the cutter head 20 . The blade 30 includes an end edge portion 31 and a side edge portion 32 . The end edge portion 31 includes a wiping edge portion 311 and a connecting portion 312 , and is used for finishing the surface of the material.

[0035] Specifically, the blade head 20 and the handle 10 can be an integral structure, that is, the end of the handle 10 is processed to form the blade head 20, or the two can be welded into an integral structure. A transition portion 40 is provided between the handle 10 and the blade head 20 to improve the rigidity of the overall structure of the tool.

[0036] Specifically, the tool handle 10 and tool head 20 can be made of materials such as tungsten steel, die steel, and high-speed steel to meet processing requirements and reduce costs. The blade 30 can be made of materials such as PCD (polycrystalline diamond), CBN (cubic boron nitride), and tungsten steel to ensure processing accuracy, improve the wear resistance of the blade 30, and extend the tool's service life.

[0037] Furthermore, the outer periphery of the cutter head 20 is provided with a plurality of chip grooves 21 along the circumferential direction, and the blade 30 is respectively arranged in each chip groove 21. The chip grooves 21 are provided to facilitate the installation of the blade 31 and to facilitate the discharge of debris when the blade 30 processes materials, thereby ensuring the reliability of the tool operation.

[0038] The side edge portion 32 of the blade 30 is arranged away from the axis of the cutter head 20, and the end edge portion 32 is arranged away from the handle 10, so that the blade 30 can easily perform fine processing on the end surface of the material.

[0039] Furthermore, the finishing blade portion 311 and the connecting portion 312 of the end blade portion 32 are arranged along the radial direction of the cutter head 20, and the connecting portion 312 is close to the surface of the cutter head 20. The two ends of the finishing blade portion 311 are respectively connected to the connecting portion 312 and the side blade portion 32, which facilitates the processing of the material and ensures the processing effect.

[0040] Furthermore, the inclination angle λ of the connecting portion 312 is 0°≤λ≤15°, and can be specifically 0°, 5°, 8°, 10°, 12°, 15° or any value within the range, which facilitates processing and can meet actual processing requirements.

[0041] Furthermore, the plane where the finishing edge portion 311 on the end edge portion 32 is located is perpendicular to the axis of the cutter head 20 , which facilitates processing.

[0042] Furthermore, the front angle α of the blade 30 (i.e., the end edge 32 and the side edge 32) is -15°≤α≤10°, the first back angle β is 0°≤β≤30°, and the second back angle θ is 0°≤θ≤60°, which facilitates end face processing.

[0043] Specifically, the end blade portion 32 and the side blade portion 32 respectively include a plurality of blades, and the blade rake angle α can be -15°-5°, 0°, 5°, 8°, 10° or any value within the range. Figure 3As shown in the 0° reference plane, the blade rake angle α is located on the left side of the reference plane, that is, it takes a value of -15° to 0°, and on the right side of the reference plane, it takes a value of 0° to 10°; the first clearance angle β can take a value of 0°, 5°, 10°, 15°, 20°, 25°, 30° or any value within the range, and the second clearance angle θ can take a value of 5°, 10°, 20°, 30°, 45°, 60° or any value within the range, which can meet the actual processing needs and ensure the processing accuracy.

[0044] Furthermore, the shear angle γ of the chip groove 21 on the cutter head 20 is 0°≤γ≤30°, and the specific value can be 0°, 5°, 10°, 15°, 20°, 25°, 30° or any value within the range, which facilitates the installation of the blade 23 in the chip groove 21 to meet the needs of actual processing.

[0045] Furthermore, the diameter of the shank 10 is D, and the length of the wiper blade portion 311 is L, satisfying 0<L / D≤0.5, and the specific values can be 0.1, 0.2, 0.3, 0.4, 0.5 or any value within the range; wherein 0.001mm≤L≤0.5mm, and the specific values can be 0.005mm, 0.01mm, 0.1mm, 0.25mm, 0.3mm, 0.4mm, 0.5mm or any value within the range, so that the end face of the material can be conveniently and reliably finished.

[0046] In the first embodiment of the present invention, the tool adopts the above-mentioned structure, that is, it is provided with a finishing blade portion 311, and meets the above-mentioned angle range and size range. It can perform fine processing on the end faces of softer materials such as aluminum alloy and copper. The ring marks on the end faces of the material can be completely eliminated, or there are only slight ring marks. The structure is simple and convenient for processing, and a high-quality processed surface can be obtained.

[0047] Example 2

[0048] See Figure 5 As shown, the difference between the second embodiment and the first embodiment is that the end cutting edge portion 31 further includes a cutting edge arc portion 313 , and two ends of the cutting edge arc portion 313 are respectively connected to the wiper cutting edge portion 311 and the side cutting edge portion 32 .

[0049] Furthermore, the arc surface of the blade arc portion 313 bulges away from the center direction of the blade 30, and the blade arc radius R of the blade arc portion 313 is 0.001mm≤R≤100mm. The specific value can be 0.001mm, 1mm, 10mm, 30mm, 50mm, 70mm, 80mm, 100mm or any value within the range, which can meet different processing requirements and ensure processing accuracy.

[0050] Furthermore, the end surface of the arc portion 313 is tangent to the corresponding side surface of the side edge portion 32, making end surface processing easier and ensuring processing quality.

[0051] In the second embodiment, the upper end cutting edge 31 of the tool is increased with a blade arc portion 313, and the blade arc portion 313 can be tangent to the side surface corresponding to the side cutting edge 32. The structure of the blade arc portion 313 satisfies the above-mentioned angle range and size range, and can achieve end face finishing of metal materials such as titanium alloy. The end face ring mark can be completely eliminated, or there is only a slight ring mark. The structure is simple and convenient for processing, and it can also effectively prevent the tip of the tool from chipping, improve the tool life, and obtain a high-quality surface.

[0052] The tool provided by the utility model can realize end surface processing of various metal materials. By setting the finishing blade part, the tool can process the material surface more easily, effectively prevent the tip of the tool from chipping, improve the tool life, and obtain a high-quality surface.

[0053] The above embodiments are preferred implementation methods of the present invention, but the implementation methods of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be considered as equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. An end face finishing tool, characterized by: include: knife handle; A cutter head, provided at the end of the handle; The blade is arranged on the outer periphery of the cutter head. The blade includes an end edge portion and a side edge portion. The end edge portion includes a finishing edge portion and a connecting portion, and is used for finishing the surface of the material.

2. The end surface finishing tool according to claim 1, characterized in that: The outer periphery of the cutter head is provided with a plurality of chip removal grooves along the circumferential direction, and the blade is respectively arranged in each of the chip removal grooves; the side edge portion is arranged away from the axis of the cutter head, and the end edge portion is arranged away from the tool handle.

3. The end surface finishing tool according to claim 1, characterized in that: The connecting portion and the wiper edge portion are arranged along the radial direction of the cutter head, the connecting portion is close to the surface of the cutter head, and two ends of the wiper edge portion are respectively connected to the connecting portion and the side edge portion.

4. The end surface finishing tool according to claim 1, characterized in that: The inclination angle λ of the connecting portion is 0°≤λ≤15°.

5. The end surface finishing tool according to claim 1, characterized in that: The plane where the wiper edge portion is located is perpendicular to the axis of the cutter head.

6. The end surface finishing tool according to claim 1, characterized in that: The front angle α of the blade on the blade is -15°≤α≤10°, the first back angle β is 0°≤β≤30°, and the second back angle θ is 0°≤θ≤60°.

7. The end surface finishing tool according to claim 2, characterized in that: The shear angle γ of the chip removal groove is 0°≤γ≤30°.

8. The end surface finishing tool according to claim 1, characterized in that: The diameter of the shank is D, and the length of the wiper blade is L, which satisfies 0<L / D≤0.

5.

9. The end surface finishing tool according to any one of claims 1 to 8, characterized in that: The end cutting edge portion further includes a cutting edge arc portion, and two ends of the cutting edge arc portion are respectively connected to the wiper cutting edge portion and the side cutting edge portion.

10. The end surface finishing tool according to claim 9, characterized in that: The arc surface of the blade arc portion bulges in a direction away from the center of the blade, and the blade arc radius R of the blade arc portion is 0.001 mm≤R≤100 mm.

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