WO2016095108A1 - 剃须刀刀头、剃须刀刀网及剃须刀刀网的制造工艺方法 - Google Patents

剃须刀刀头、剃须刀刀网及剃须刀刀网的制造工艺方法 Download PDF

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Publication number
WO2016095108A1
WO2016095108A1 PCT/CN2014/093972 CN2014093972W WO2016095108A1 WO 2016095108 A1 WO2016095108 A1 WO 2016095108A1 CN 2014093972 W CN2014093972 W CN 2014093972W WO 2016095108 A1 WO2016095108 A1 WO 2016095108A1
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WIPO (PCT)
Prior art keywords
stencil
net
razor blade
thickness
blade
Prior art date
Application number
PCT/CN2014/093972
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English (en)
French (fr)
Inventor
文洁
何自坚
Original Assignee
深圳市大富精工有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市大富精工有限公司 filed Critical 深圳市大富精工有限公司
Priority to PCT/CN2014/093972 priority Critical patent/WO2016095108A1/zh
Priority to CN201480083139.5A priority patent/CN107000228B/zh
Publication of WO2016095108A1 publication Critical patent/WO2016095108A1/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26B—HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B19/00—Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers
    • B26B19/38—Details of, or accessories for, hair clippers, or dry shavers, e.g. housings, casings, grips, guards

Definitions

  • the invention relates to the technical field of razors, in particular to a manufacturing method of a razor blade, a razor blade and a razor blade.
  • razor blades generally comprise an integrally formed outer and inner knife web, usually manufactured by a drawing process.
  • the material martensitic stainless steel 420 or 440 is commonly used to make the razor blade net.
  • the mold In the manufacture of the integrally formed inner and outer knife net structure, it is necessary to use the mold to perform multiple stretch forming of the blank material, and the martensitic stainless steel is prone to cold work hardening during the multiple stretching process of the mold, often causing the knife during the stretching process.
  • the mesh blank has cracks.
  • a martensite stainless steel of about 0.5 mm thickness is generally used as a basic mesh shell to ensure that the mechanical strength of the knife net is not deformed and safe, and then processed into a beard kerf surface to be about 0.12 mm to shave the beard. effect. Therefore, in the beard sipe surface, the thickness of the blank material needs to be processed from 0.5 mm to 0.12 mm, and then processed into the groove, to take an electrochemical method as an example. When the material is processed into the groove by electrochemical method, the material is uneven. The processing dimensional accuracy is unstable. Electrochemical in the electrode of 0.5mm thick material and 0.12mm thickness of the material of the electrode size and processing time are inconsistent, the current program is after the initial electrochemical processing, but also need to be targeted to the beard groove and sipe edge, processing The process is more complicated.
  • the stencil net surface ie, the part contacting the human skin, including the inner knives and the outer knives
  • the knife net is used.
  • the mesh surface and the net shell are welded together.
  • the main existing razor blade processing methods have contradictions in simplifying the machining process and strengthening the mechanical strength of the blade.
  • Embodiments of the present invention provide a manufacturing process for a razor blade, a razor blade, and a razor blade to solve the technical problems in the prior art that simplify the processing process and strengthen the mechanical strength of the blade. .
  • an embodiment of the present invention provides a razor blade net, the razor blade net including an outer blade net and an inner blade net.
  • the outer blade net includes an outer support body integrally formed and sequentially connected, a first ring surface and a first connecting body, and the first ring surface is provided with a feed groove, and the end surface of the first connecting body is provided with welding
  • the inner blade net includes an inner support body, a second ring surface and a second connecting body integrally formed and sequentially connected, and the second ring surface is provided with a feed groove, the second connecting body and the second connecting body The welded portion provided on the end surface of the first connecting body is welded.
  • the thickness of the outer stencil material is greater than the thickness of the inner stencil material.
  • the outer side of the outer support body is also integrally formed with an engaging portion.
  • the central position of the inner support body is further provided with a positioning portion that protrudes downward.
  • the outer foil web has a thickness of 0.45-0.50 mm and the inner cutter web has a thickness of 0.1-0.14 mm.
  • the height of the second annulus of the inner blade web is greater than the height of the first annulus of the outer blade web.
  • the height difference between the second annular surface of the inner blade net and the first annular surface of the outer blade net is 0.05-0.2 mm.
  • the first annular surface and the secondary groove on the second annular surface have a shaving angle of 15-25 degrees.
  • an embodiment of the present invention further provides a process for manufacturing a razor blade net, the process method comprising the steps of: stretching an outer stencil of a razor blade net, the outer knives
  • the net blank comprises an integrally formed and sequentially connected outer support body, a first annular surface and a first connecting body, and a feeding groove is formed on the first annular surface of the outer stencil blank to process the outer stencil; Stretching an inner stencil of the razor blade, the inner stencil comprising an integrally formed and sequentially connected inner support, a second annulus and a second connector, wherein the inner knives A feed groove is machined on the second annular surface of the material to complete the inner cutter net; the inner cutter net is welded to the outer cutter net to form an integral cutter net.
  • the material thickness of the outer stencil is larger than the material thickness of the inner stencil.
  • the method before the feeding of the groove on the first annular surface of the outer stencil, the method further comprises turning the inner surface of the first torus to make the first torus
  • the thickness is the same as the thickness of the inner lining blank material.
  • the method for processing the first annular surface of the outer stencil blank and/or the feeding groove of the second annular surface of the inner stencil blank is electrochemical machining or stamping or milling machining.
  • the outer stencil blank has a thickness of 0.45-0.55 mm
  • the inner stencil blank has a thickness of 0.1-0.14 mm.
  • the inner knife web and the outer knife web are laser welded to form a unitary knife web.
  • the outer side of the outer support body is also integrally formed with an engaging portion.
  • the central position of the inner support body is further provided with a positioning portion that protrudes downward.
  • an embodiment of the present invention further provides a razor blade head, the razor blade head includes a rotating shaft connected to the motor, a profiled blade sleeved on the rotating shaft, and a cover disposed at the same The aforementioned razor blade net of the outer circumference of the profiled blade.
  • the razor blade net and the manufacturing process provided by the invention combine the inner knife net and the outer knife net into a whole body after being processed separately, thereby reducing the number of stretching of the billet and reducing the stretching.
  • the processing difficulty of the inlet groove and the prior art solve the problem that the thicker martensite stainless steel in the prior art is prone to cracks during multiple stretching processes, and the process of processing into the groove is complicated and difficult due to uneven thickness of the blank.
  • the technical problems of ensuring the processing precision and the low yield are solved, and at the same time, the technical problems of the overall mechanical strength and safety of the knife net are solved.
  • Figure 1 is a partial cross-sectional view of a preferred embodiment of the razor blade of the present invention
  • Figure 2 is a partial cross-sectional view of the outer blade of the razor blade of the embodiment of Figure 1;
  • Figure 3 is a partial cross-sectional view of the inner razor of the razor blade in the embodiment of Figure 1;
  • Figure 4 is a schematic view of the razor blade net feed groove in the embodiment of Figure 1;
  • Figure 5 is a schematic flow chart of a preferred embodiment of a process for manufacturing a razor blade net of the present invention
  • Figure 6 is a cross-sectional view of the stretch-formed outer stencil blank in the process for manufacturing a razor blade net of the embodiment of Figure 5;
  • Figure 7 is a cross-sectional view of the stretch formed inner lining blank in the process for manufacturing a razor blade net of the embodiment of Figure 5;
  • Figure 8 is a cross-sectional view of a razor blade web manufactured using the process for making a razor blade mesh of the embodiment of Figure 5;
  • Figure 9 is a schematic exploded view of a preferred embodiment of the razor blade of the present invention.
  • FIG. 1 is a partial cross-sectional view of a preferred embodiment of the razor blade of the present invention
  • FIG. 2 is a partial cross-sectional view of the razor blade outer mesh of the embodiment of FIG. 1
  • It is a partial cross-sectional view of the inner razor net of the razor blade in the embodiment of Fig. 1.
  • the razor blade web 100 includes an outer foil web 110 and an inner foil web 120.
  • the outer blade net 110 includes an outer support body 111 integrally formed and sequentially connected, a first annular surface 112, and a first connecting body 113.
  • the upper surface of the first annular surface is provided with a feed groove 1121.
  • the end surface of the connecting body 113 is provided with a welded portion 1131, which may be the end surface itself of the first connecting body 113.
  • the inner blade net 120 includes an inner support body 121, a second annular surface 122 and a second connecting body 123 which are integrally formed and connected in sequence.
  • the second annular surface 122 is provided with a feed groove 1221, wherein the second connecting body 123 is The welded portions 1131 provided on the end faces of the first connecting body 113 are welded together to form a complete razor blade 100.
  • a in Figure 1 is the weld.
  • the razor blade net provided by the embodiment integrates the inner knife net and the outer knife net into a whole body after being processed separately, thereby reducing the number of stretching of the billet and reducing the processing difficulty of the stretching and the feeding groove; At the same time, due to the split machining of the inner and outer knives, the inner and outer knives do not have to use the same thickness of material, and also provide conditions for solving the problem of the overall mechanical strength and safety of the stencil.
  • the outer foil web 110 is annular in its entirety.
  • the upper surface 112 is provided with a feed groove 1121.
  • the inlet groove 1121 may be an S-shaped strip groove or an irregularly arranged circular hole. And the like, which is within the understanding of those skilled in the art, is not limited herein.
  • the inner knife net 120 has a dome shape as a whole.
  • the first ring surface and the second ring surface have a certain shaving angle, and the angle a can be 15-25 degrees, please refer to FIG. 4, which is a razor in the embodiment of FIG.
  • FIG. 4 is a razor in the embodiment of FIG.
  • the so-called shaving angle is the angle between the opening direction of the groove and the radial direction of the ring surface (that is, the shear angle formed by the knife and the S-shaped groove) for the best shaving effect.
  • the welding method between the outer knives and the inner knives preferably uses laser welding, which has the advantages of small weld bead and easy control of welding precision.
  • the thickness of the material of the outer stencil 110 is greater than the thickness of the material of the inner stencil 120, and the material of the outer stencil 110 is larger than the thickness of the inner stencil 120 to ensure the overall mechanical strength of the stencil 100, and the inner stencil 120 is made of a thin material. It is to ensure that the user's shaving is clean.
  • the outer foil web 110 may have a selected martensite stainless steel having a thickness of 0.45 to 0.55 mm (preferably 0.5 mm), and the inner foil web 120 may have a martensite having a thickness of 0.1 to 0.14 mm (preferably 0.12 mm). stainless steel.
  • outer support body 111 of the outer blade net 110 may be integrally formed with an engaging portion 1111 for connecting the razor blade net 100 with the razor case; the inner support body 121 of the inner blade net 120 The center position is further provided with a downwardly protruding positioning portion 1211 for positioning between the knife net 100 and the rotating shaft, which is not further described herein within the understanding of those skilled in the art.
  • the razor blade net provided by the embodiment of the invention is formed by integrally processing the inner knife net and the outer knife net into a whole body, and the martensite stainless steel of the thicker material in the prior art is well solved.
  • the process of stretching is prone to cracks, and the process of electrochemical machining into the groove is complicated due to uneven thickness of the blank, and it is difficult to ensure the processing precision, the low yield, and the technical problem of poor overall mechanical strength and safety of the wire mesh.
  • FIG. 5 is a schematic flow chart of a preferred embodiment of a process for manufacturing a razor blade net according to the present invention. Methods include, but are not limited to, the following steps.
  • Step S400 stretching the outer stencil of the razor blade net, and processing the outer groove on the first ring surface of the outer stencil to complete the outer stencil.
  • FIG. 6 is a cross-sectional view of the stretched outer stencil blank in the process for manufacturing a razor blade net of the embodiment of FIG. 5.
  • the outer stencil 510 includes an integral molding and The outer support body 511, the first annular surface 512, and the first connecting body 513 are sequentially connected, and the outer stencil blank 510 has an annular shape as a whole.
  • the inlet groove is formed on the surface of the first annular surface 512 and may have a strip shape or a circular hole shape.
  • the end surface of the first connecting body 513 is provided with a welded portion 5131, which may be the end surface itself of the first connecting body 513.
  • the material thickness of the outer stencil 510 is larger than the material thickness of the inner stencil 610.
  • a stainless steel material having a thickness of 0.45 to 0.55 mm (preferably 0.5 mm) may be used.
  • the inner surface of the first annular surface 512 may be turned to make the thickness of the first annular surface 512 and the material of the inner knurling material 610 The thickness is the same.
  • the thickness of the first annular surface 512 of the outer knife net is the same as the thickness of the inner knife net, which can ensure the feeding of the inner and outer knife nets.
  • the length is the same.
  • Step S410 stretching the inner stencil of the razor blade net, and processing the inner groove on the second ring surface of the inner stencil blank to process the inner stencil.
  • the inner stencil is preferably made of a stainless steel material having a thickness of 0.1-0.14 mm (preferably 0.12 mm), please refer to FIG. 7, which is a manufacturing method of the razor blade net of the embodiment of FIG. 5.
  • FIG. 7 is a manufacturing method of the razor blade net of the embodiment of FIG. 5.
  • a cross-sectional view of a medium-stretched inner lining blank 610 comprising an inner support body 611 integrally formed and sequentially connected, a second annular surface 612 and a second connecting body 613, the inner stencil net as a whole Cover shape.
  • the second annular surface 612 is provided with a feed groove, and the second connecting body 613 is welded to the welded portion 5131 provided on the end surface of the first connecting body 513 to form a complete razor blade.
  • FIG. 8 is a cross-sectional view of the razor blade net manufactured by the method for manufacturing a razor blade net of the embodiment of FIG. 5.
  • the height of the second torus of the inner blade net is greater than the outer blade.
  • the height of the first torus of the net has a height difference H of 0.05-0.2 mm (preferably 0.1 mm), that is, the second torus of the inner knife net is slightly higher than the first torus of the outer knife net.
  • H 0.05-0.2 mm (preferably 0.1 mm)
  • B in Fig. 7 is a weld, preferably by laser welding, which has the advantage that the weld bead is small and the welding precision is easily controlled.
  • the method for processing the first annular surface 512 of the outer knives and the second annular surface 612 of the inner knives may be electrochemical machining or stamping or milling, preferably electrochemical machining.
  • the method has high processing precision and no burrs generated during mechanical processing.
  • the outer support body side circumference of the outer blade net can also be integrally formed with an engaging portion 514 for connecting the razor blade net and the razor shell; the center position of the inner support body of the inner knife net is further A positioning portion 614 protruding downward is provided for positioning between the wire mesh and the rotating shaft, which is beyond the scope of the understanding of those skilled in the art.
  • the method for manufacturing a razor blade net provided by the embodiment of the invention is integrated into the whole body by welding the inner knife net and the outer knife net into a whole body, and the Mars's thick material of the prior art is well overcome.
  • the stainless steel is prone to cracks during the stretching process, and there is no technical problem that the process of electrochemical machining into the groove is complicated due to the uneven thickness of the blank, and it is difficult to ensure the processing precision and the low yield, which not only simplifies the processing process, Moreover, it provides conditions for solving the technical problems of the overall mechanical strength and safety of the knife net.
  • FIG. 9 is a schematic exploded view of a preferred embodiment of the razor blade head of the present invention, the razor blade head including a motor connected a rotating shaft 800, a profiled blade 810 sleeved on the rotating shaft 800, and a razor blade 830 covering the outer periphery of the profiled blade 810, the razor blade 830 being the razor blade described in the above embodiment network.

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  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Dry Shavers And Clippers (AREA)

Abstract

一种剃须刀刀头、剃须刀刀网及剃须刀刀网的制造工艺方法，该剃须刀刀网（100）包括外刀网（110）和内刀网（120）。外刀网（110）包括一体成型并依次连接的外支撑体（111）、第一环面（112）以及第一连接体（113），第一环面（112）上开设有进须槽（1121），第一连接体（113）的端面设有焊接部（1131）；内刀网（120）包括一体成型并依次连接的内支撑体（121）、第二环面（122）以及第二连接体（123），第二环面（122）上开设有进须槽（1221），第二连接体（123）与第一连接体（113）端面上设置的焊接部（1131）连接。该剃须刀刀网（100）将内刀网（120）与外刀网（110）分体加工后焊接成为一个整体，降低了拉伸和进须槽的加工难度，解决了现有技术中的较厚材质的马氏体不锈钢在多次拉伸过程容易出现裂纹以及刀网整体机械强度及安全性差的技术问题。

Description

剃须刀刀头、剃须刀刀网及剃须刀刀网的制造工艺方法
【技术领域】
本发明涉及剃须刀的技术领域，具体是涉及一种剃须刀刀头、剃须刀刀网及剃须刀刀网的制造工艺方法。
【背景技术】
现有技术中，剃须刀刀网一般包括一体成型的外刀网和内刀网，通常采用拉伸工艺制造。
为了满足刀网对硬度的要求，常用材料马氏体不锈钢420或是440来制造剃须刀刀网。在制造一体成型的内外刀网结构时需要利用模具对胚料进行多次拉伸成型，在模具多次拉伸过程中马氏体不锈钢容易产生冷作硬化，经常造成在拉伸过程中，刀网胚料出现裂纹。
现有技术中一般用约0.5毫米厚的马氏体不锈钢作为基础网壳体保证刀网机械强度不变形及安全性，然后在进胡须刀槽面加工成约0.12毫米，以达剃除胡须的效果。因此在进胡须刀槽面需要将胚料厚度从0.5mm加工到0.12mm，然后加工进须槽，以采用电化学方法加工为例，在用电化学方法加工进须槽时，由于材料不均匀造成加工尺寸精度不稳定。电化学在腐蚀0.5mm厚度材料的电极与0.12mm厚度材料的电极尺寸和加工时间都不一致，目前的方案为经过初步电化学加工后，还需要针对性修复进胡须槽及刀槽刃口，加工工艺比较复杂。
现有技术中存在一种剃须刀网的制造工艺，具体为将刀网网面（即与人体皮肤接触的部分，包括内刀网及外刀网）都利用薄型材料制造，然后将刀网网面与网壳焊接成为一体。虽然简化了加工工艺，然而由于网面整体都是采用薄型材料制成，该种刀网的整体机械强度较弱，即当使用者使用过程中用力过大的话，网面容易凹陷，进而使网面与内部刀片接触，同时损伤刀片和刀网的寿命。
因此，主要现有的剃须刀刀网加工方法在简化加工工艺和加强刀网机械强度上存在矛盾。
【发明内容】
本发明实施例提供一种剃须刀刀头、剃须刀刀网及剃须刀刀网的制造工艺方法，以解决现有技术中简化加工工艺和加强刀网机械强度上存在矛盾的技术问题。
为解决上述问题，本发明实施例提供了一种剃须刀刀网，所述剃须刀刀网包括外刀网和内刀网。所述外刀网包括一体成型并依次连接的外支撑体、第一环面以及第一连接体，所述第一环面上开设有进须槽，所述第一连接体的端面设有焊接部；所述内刀网包括一体成型并依次连接的内支撑体、第二环面以及第二连接体，所述第二环面上开设有进须槽，所述第二连接体与所述第一连接体端面上设置的焊接部焊接。
根据本发明一优选实施例，所述外刀网材质的厚度大于所述内刀网材质的厚度。
根据本发明一优选实施例，所述外支撑体侧面环周还一体成型有卡合部。
根据本发明一优选实施例，所述内支撑体的中心位置还设有向下突出的定位部。
根据本发明一优选实施例，所述外刀网的厚度为0.45-0.50mm，所述内刀网的厚度为0.1-0.14mm。
根据本发明一优选实施例，所述内刀网第二环面的高度大于所述外刀网第一环面的高度。
根据本发明一优选实施例，所述内刀网第二环面与所述外刀网第一环面的高度差为0.05-0.2mm。
根据本发明一优选实施例，所述第一环面和所述第二环面上的进须槽具有15-25度剃须角度。
为解决上述技术问题，本发明实施例还提供一种制造剃须刀刀网的工艺方法，该工艺方法包括如下步骤：拉伸成型剃须刀刀网的外刀网胚料，所述外刀网胚料包括一体成型并依次连接的外支撑体、第一环面以及第一连接体，在所述外刀网胚料的第一环面上加工出进须槽以加工完成外刀网；拉伸成型剃须刀刀网的内刀网胚料，所述内刀网胚料包括一体成型并依次连接的内支撑体、第二环面以及第二连接体，在所述内刀网胚料的第二环面上加工出进须槽以加工完成内刀网；将所述内刀网与所述外刀网焊接形成整体刀网。
根据本发明一优选实施例，所述外刀网胚料的材质厚度大于所述内刀网胚料的材质厚度。
根据本发明一优选实施例，在所述外刀网胚料的第一环面上加工出进须槽之前，还包括车削所述第一环面内表面，以使所述第一环面的厚度与所述内刀网胚料材质的厚度相同。
根据本发明一优选实施例，加工所述外刀网胚料第一环面和/或所述内刀网胚料第二环面上的进须槽的方法为电化学加工或者冲压加工或者铣削加工。
根据本发明一优选实施例，所述外刀网胚料的厚度为0.45-0.55mm，所述内刀网胚料的厚度为0.1-0.14mm。
根据本发明一优选实施例，所述内刀网与所述外刀网通过激光焊接成整体刀网。
根据本发明一优选实施例，所述外支撑体侧面环周还一体成型有卡合部。
根据本发明一优选实施例，所述内支撑体的中心位置还设有向下突出的定位部。
为解决上述技术问题，本发明实施例还提供一种剃须刀刀头，所述剃须刀刀头包括与电机连接的旋转轴、套设于所述旋转轴的异形刀片以及盖设在所述异形刀片外周的上述剃须刀刀网。
相对于现有技术，本发明提供的剃须刀刀网及制造工艺，将内刀网与外刀网分体加工后焊接成为一个整体，减少了对胚料的拉伸次数，降低了拉伸和进须槽的加工难度，既解决了现有技术中的较厚材质的马氏体不锈钢在多次拉伸过程容易出现裂纹，由于坯料厚度不均匀而使加工进须槽的过程复杂且难以保证加工精度、成品率低的技术问题，同时又解决了刀网整体机械强度及安全性差的技术问题。
【附图说明】
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明剃须刀刀网一优选实施例的局部剖视图；
图2是图1实施例中剃须刀刀网外刀网的局部剖视图；
图3是图1实施例中剃须刀刀网内刀网的局部剖视图；
图4是图1实施例中剃须刀刀网进须槽的示意图；
图5是本发明制造剃须刀刀网的工艺方法一优选实施例的流程示意图；
图6是图5实施例的制造剃须刀刀网的工艺方法中拉伸成型的外刀网胚料的剖视图；
图7是图5实施例的制造剃须刀刀网的工艺方法中拉伸成型的内刀网胚料的剖视图；
图8是利用图5实施例的制造剃须刀刀网的工艺方法制造完成的剃须刀刀网的剖视图；以及
图9是本发明剃须刀刀头一优选实施例的爆炸示意图。
【具体实施方式】
下面结合附图和实施例，对本发明作进一步的详细描述。特别指出的是，以下实施例仅用于说明本发明，但不对本发明的范围进行限定。同样的，以下实施例仅为本发明的部分实施例而非全部实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
请一并参阅图1至图3，图1是本发明剃须刀刀网一优选实施例的局部剖视图；图2是图1实施例中剃须刀刀网外刀网的局部剖视图；图3是图1实施例中剃须刀刀网内刀网的局部剖视图。该剃须刀刀网100包括外刀网110和内刀网120。
具体而言，该外刀网110包括一体成型并依次连接的外支撑体111、第一环面112以及第一连接体113，第一环面的上表面开设有进须槽1121，该第一连接体113的端面设有焊接部1131，该焊接部1131可以为第一连接体113的端面本身。
该内刀网120包括一体成型并依次连接的内支撑体121、第二环面122以及第二连接体123，第二环面122上开设有进须槽1221，其中，第二连接体123与第一连接体113端面上设置的焊接部1131焊接在一起，以形成完整的剃须刀刀网100。图1中的A处即为焊接处。
该实施例提供的剃须刀刀网，将内刀网与外刀网分体加工后焊接成为一个整体，减少了对胚料的拉伸次数，降低了拉伸和进须槽的加工难度；同时由于内外刀网分体加工，内外刀网不必采用同一厚度的材质，也为解决刀网整体机械强度及安全性差的问题提供了条件。
优选地，该外刀网110整体呈环状。第一环面112经过车削加工薄至与内刀网120材质厚度相同后，在其上表面开设有进须槽1121，该进须槽1121可以为S型条状槽或者不规则排列的圆孔等，在本领域技术人员的理解范围内，此处不做限定。
该内刀网120整体呈圆盖状。其中，第一环面和第二环面上的进须槽都具有一定的剃须角度，其角度a可以为15-25度，请参阅图4，图4是图1实施例中剃须刀刀网进须槽的示意图，该实施例中优选地剃须角度a为20度。所谓剃须角度即为进须槽开设方向与环面径向之间的夹角（也即是刀与S型槽形成的剪切角），以得到最佳的剃须效果。
外刀网与内刀网之间的焊接方法优选使用激光焊，其具有焊瘤小且容易控制焊接精度的优点。
优选地，外刀网110材质的厚度大于内刀网120材质的厚度，外刀网110材质比内刀网120材质厚度大是为了保证刀网100整体的机械强度，内刀网120选用薄型材料则是为了保证使用者的剃须干净。外刀网110可以选择的厚度为0.45-0.55mm（优选为0.5mm）的马氏体不锈钢，而内刀网120的则可以选择厚度为0.1-0.14mm（优选为0.12mm）的马氏体不锈钢。
另外，外刀网110的外支撑体111侧面环周还可以一体成型有卡合部1111，用于剃须刀刀网100与剃须刀壳体的连接；内刀网120的内支撑体121的中心位置还设有向下突出的定位部1211，用于刀网100与旋转轴之间的定位，在本领域技术人员的理解范围内，此处亦不再赘述。
本发明实施例提供的剃须刀刀网，通过将内刀网与外刀网分体加工后焊接成为一个整体，很好地解决了现有技术中的较厚材质的马氏体不锈钢在拉伸过程容易出现裂纹、由于坯料厚度不均匀而使电化学加工进须槽的过程复杂且难以保证加工精度、成品率低以及刀网整体机械强度及安全性差的技术问题。
另外，本发明实施例还提供了一种制造剃须刀刀网的工艺方法，请参阅图5，图5是本发明制造剃须刀刀网的工艺方法一优选实施例的流程示意图，该工艺方法包括但不限于以下步骤。
步骤S400，拉伸成型剃须刀刀网的外刀网胚料，并在外刀网胚料的第一环面上加工出进须槽以加工完成外刀网。
请参阅图6，图6是图5实施例的制造剃须刀刀网的工艺方法中拉伸成型的外刀网胚料的剖视图，在步骤S400中，外刀网胚料510包括一体成型并依次连接的外支撑体511、第一环面512以及第一连接体513，该外刀网胚料510整体呈环状。进须槽开设于第一环面512的表面，形状可以呈条状或者圆孔状。该第一连接体513的端面设有焊接部5131，该焊接部5131可以为第一连接体513的端面本身。
为保证刀网整体的机械强度，优选外刀网胚料510的材质厚度大于内刀网胚料610的材质厚度。可以选用厚度为0.45-0.55mm（优选为0.5mm）的不锈钢材料。在外刀网胚料510的第一环面512上加工出进须槽之前，还可包括车削第一环面512内表面，以使第一环面512的厚度与内刀网胚料610材质的厚度相同。因为剃须刀工作过程中，第一环面512同样是进须的表面，外刀网的第一环面512厚度与内刀网的厚度相同，可保证内刀网与外刀网的进须长度相同。
步骤S410，拉伸成型剃须刀刀网的内刀网胚料，并在所述内刀网胚料的第二环面上加工出进须槽以加工完成内刀网。
在步骤S410中，内刀网胚料优选采用厚度为0.1-0.14mm（优选为0.12mm）的不锈钢材料，请参阅图7，图7是图5实施例的制造剃须刀刀网的工艺方法中拉伸成型的内刀网胚料的剖视图，该内刀网胚料610包括一体成型并依次连接的内支撑体611、第二环面612以及第二连接体613，内刀网整体呈圆盖状。第二环面612上开设有进须槽，第二连接体613与第一连接体513端面上设置的焊接部5131焊接在一起，以形成完整的剃须刀刀网。
请参阅图8，图8是利用图5实施例的制造剃须刀刀网的工艺方法制造完成的剃须刀刀网的剖视图，优选地，内刀网的第二环面的高度大于外刀网第一环面的高度，高度差H为0.05-0.2mm（优选为0.1mm），即内刀网的第二环面略高于外刀网第一环面，此种设计的好处为可以保证整个刀网的两个环面与人体皮肤充分接触，避免内刀网环面与皮肤接触不充分问题。图7中的B处即为焊接处，优选用激光焊进行焊接，其具有焊瘤小且容易控制焊接精度的优点。
其中，加工外刀网胚料第一环面512以及内刀网胚料第二环面612上的进须槽的方法可以为电化学加工或者冲压加工或者铣削加工，优选为电化学加工法，该方法加工精度高，无机械加工过程中产生的毛刺。
优选地，外刀网的外支撑体侧面环周还可以一体成型有卡合部514，用于剃须刀刀网与剃须刀壳体的连接；内刀网的内支撑体的中心位置还设有向下突出的定位部614，用于刀网与旋转轴之间的定位，在本领域技术人员的理解范围内，此处亦不再赘述。
本发明实施例提供的制造剃须刀刀网的工艺方法，通过将内刀网与外刀网分体加工后焊接成为一个整体，很好地克服了现有技术中的较厚材质的马氏体不锈钢在拉伸过程容易出现裂纹的现象，也不存在由于坯料厚度不均匀而使电化学加工进须槽的过程复杂且难以保证加工精度、成品率低的技术问题，不仅简化了加工工艺，而且为解决刀网整体机械强度及安全性差的技术问题提供了条件。
另外，本发明实施例还提供一种剃须刀刀头，请参阅图9，图9是本发明剃须刀刀头一优选实施例的爆炸示意图，该剃须刀刀头包括与电机连接的旋转轴800、套设于旋转轴800的异形刀片810，以及盖设在异形刀片810外周的剃须刀刀网830，剃须刀刀网830可为上述实施例中所描述的剃须刀刀网。
以上所述仅为本发明的一种实施例，并非因此限制本发明的保护范围，凡是利用本发明说明书及附图内容所作的等效装置或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (17)

  1. 一种剃须刀刀网，其特征在于，包括：
    外刀网，所述外刀网包括一体成型并依次连接的外支撑体、第一环面以及第一连接体，所述第一环面上开设有进须槽，所述第一连接体的端面设有焊接部；
    内刀网，所述内刀网包括一体成型并依次连接的内支撑体、第二环面以及第二连接体，所述第二环面上开设有进须槽，所述第二连接体与所述第一连接体端面上设置的焊接部焊接。
  2. 根据权利要求1所述的剃须刀刀网，其特征在于，所述外刀网材质的厚度大于所述内刀网材质的厚度。
  3. 根据权利要求1所述的剃须刀刀网，其特征在于，所述外支撑体侧面环周还一体成型有卡合部。
  4. 根据权利要求1所述的剃须刀刀网，其特征在于，所述内支撑体的中心位置还设有向下突出的定位部。
  5. 根据权利要求2所述的剃须刀刀网，其特征在于，所述外刀网的厚度为0.45-0.55mm，所述内刀网的厚度为0.1-0.14mm。
  6. 根据权利要求1所述的剃须刀刀网，其特征在于，所述第二环面的高度大于所述第一环面的高度。
  7. 根据权利要求6所述的剃须刀刀网，其特征在于，所述第二环面与所述第一环面的高度差为0.05-0.2mm。
  8. 根据权利要求1-7任一项所述的剃须刀刀网，其特征在于，所述第一环面和/或所述第二环面上的进须槽具有15-25度剃须角度。
  9. 一种制造剃须刀刀网的工艺方法，其特征在于，包括如下步骤：
    拉伸成型剃须刀刀网的外刀网胚料，所述外刀网胚料包括一体成型并依次连接的外支撑体、第一环面以及第一连接体，在所述外刀网胚料的第一环面上加工出进须槽以加工完成外刀网；
    拉伸成型剃须刀刀网的内刀网胚料，所述内刀网胚料包括一体成型并依次连接的内支撑体、第二环面以及第二连接体，在所述内刀网胚料的第二环面上加工出进须槽以加工完成内刀网；
    将所述内刀网与所述外刀网焊接形成整体刀网。
  10. 根据权利要求9所述的工艺方法，其特征在于，所述外刀网胚料的材质厚度大于所述内刀网胚料的材质厚度。
  11. 根据权利要求10所述的工艺方法，其特征在于，在所述外刀网胚料的第一环面上加工出进须槽之前，还包括：
    车削所述第一环面内表面，以使所述第一环面的厚度与所述内刀网胚料材质的厚度相同。
  12. 根据权利要求11所述的工艺方法，其特征在于，加工所述外刀网胚料第一环面和/或所述内刀网胚料第二环面上的进须槽的方法为电化学加工或者冲压加工或者铣削加工。
  13. 根据权利要求10所述的工艺方法，其特征在于，所述外刀网胚料的厚度为0.45-0.55mm，所述内刀网胚料的厚度为0.1-0.14mm。
  14. 根据权利要求13所述的工艺方法，其特征在于，所述内刀网与所述外刀网通过激光焊接成整体刀网。
  15. 根据权利要求9所述的工艺方法，其特征在于，所述外支撑体侧面环周还一体成型有卡合部。
  16. 根据权利要求9所述的工艺方法，其特征在于，所述内支撑体的中心位置还设有向下突出的定位部。
  17. 一种剃须刀刀头，其特征在于，包括与电机连接的旋转轴、套设于所述旋转轴的异形刀片以及盖设在所述异形刀片外周的如权利要求1-8任一项所述的剃须刀刀网。
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