200817603 九、發明說明： 【發明所屬之技術領域】 本發明有關流體轴承溝槽加工工具’提供袖 承内溝槽形狀，提供潤滑油的流動條件，滿足軸 承穩定旋轉功能需求。内溝槽加工工具，圓周上 佈設複數個切削刀具，製造工具的最大外徑，可 做微調放大、縮小，容易進出轴承内徑，刻劃内 溝槽。 1 ； 【先前技術】 習知一般的流體軸承設計，請參閱「第一圖」 所示，考量轴與轴套之間在高轉速時仍能維持低 摩擦、低漏油等需求，軸或軸套表面具有内溝槽 加工，溝槽的深度約3〜10微米（v 。該内溝槽 没计’流體在魚骨父會點上’將造成徑向的凸起 壓力波，一圈圓周上同時產生向轴心的徑向麗 力，提供轴承穩定旋轉的流體動力源 提供轴承穩定旋轉功能，轴套内壁表面的内 〇 溝槽為關鍵加工重點。一般的内溝槽加工工具， 刀具的最大外徑為固定值，且稍大於軸承孔徑， 故須自轴孔起點開始加工’因此溝槽與外部有通 連，造成潤滑油溢漏，或吸入空氣等缺點。 軸孔尺寸小於5 mm的流體軸承，内溝槽之刻 劃方式’更是困難。若採一般單柄工具，深入軸 孔内刻劃溝槽，由於工具的長徑比較大，且無支 樓點，工具軸的強度不足，工具容易晃動、振動， 刻劃深度及大小尺寸不易控制等缺點。 5 200817603 【發明内容】 根據上述對於内溝槽加工部分，本發明以刀具 最大外徑可調式設計，製造工具進入軸套轴孔内 後，再調整刀具最大外徑位置，進行内溝槽刻劃 加工。工具轴圓周上的刀具，採複數個、對稱佈 置設計’可滿足軸承孔徑小於5 mm之内溝槽刻劃 加工0 【實施方式】 茲謹就本發明「流體轴承溝槽加工工具」的 内容，及其所產生的功效，配合圖式，舉出本案 之較佳實施例詳細說明如下。 請參閱「第二圖」所示，圓柱形之溝槽加工 工具50，在第一圓徑6 1的圓周上，同一圓周 圈佈設複數個凸起刀具5 1，稱之為一組刀具 組；依加工需求，沿著工具的不同轴向位置，可 佈設多組刀具組，分別建於不同之圓周圈上。圓 柱形工具的轴心，採中空設計，每區段之中心孔 5 3内徑，可依軸向位置而有漸大、漸小、台階 U 等變化。圓周圈上的刀具組，在刀具與刀具之間， 沿軸向方向割劃出軸向預裂（割）槽5 2 1，軸向 預裂槽的切割深度，自工具表面穿透至中心孔， 或不穿透至中心孔，視刀具加工範圍（溝槽深度） 而定°預裂槽割劃範圍，可不及工具最尖端，一 體性仍可維持工具之結構強度。中心孔的徑向截 面積’隨著軸向改變，配合具有相對斜度（面積） 變化之頂針，採前後移動方式，由中心孔内部向 外樓大中心孔，提供徑向外力，藉由預裂槽的可 擴張性’使得工具表面之刀具組可向徑向方向輻 6 200817603 射張開。中心孔内頂針尚未作用前，整體刀具本 體的加工圓徑6 0，微小於待加工的轴套轴孔内 徑1 1 ’工具可進入轴孔内。為避免工具與軸承 孔發生尺寸干涉，及提供切削料排放通道，工具 可設有第二圓徑5 9，直徑小於第一圓徑6 1 轴向預裂槽設計，請參閱「第三圖」所示， 工具表面預割的預裂槽5 2 1，預裂槽深度可穿 透工具表面至中心孔，或僅限於工具表面。當來 自於工具中心孔内部之徑向力3 0，其利用中心 孔頂針與中心孔内徑之干涉關係，或以氣/油壓流 體造成中心孔内部壓力增大，將預裂槽向外輻射 撐開，撐開之徑向範圍視溝槽加工深度而定，工 具圓周表面之刀具加工半徑範圍，亦隨之擴大。 請參閱「第四圖」所示，中心孔可另增加斜 度螺紋設計’工具本體的軸向預裂槽割劃範圍， 可延伸至工具最尖端，前端由固定座5 5固定， 或不延伸至工具的最尖端（參閱第二圖所示）。溝 槽加工工具，亦可搭配軸孔鑽頭工具5 7，合併 鑽孔、刻劃内溝槽等功能，不需更換工具。軸承 内溝槽加工程序，說明如下。 請參閱「第五圖」所示，加工工具進入轴孔 内適當距離後，中心孔頂針5 4，可於中心孔内 部前後移動，頂針可適時頂住中心孔内壁，產生 向外輻射的徑向力，將刀具的最大外徑6 2外 移，與軸承1 0產生尺寸干涉，配合加工工具的 旋轉作動方式6 5，前後作動方式6β ,及頂針 前後作動方式6 8 ,切削軸套的内壁，加工出内 溝槽形狀。 請參閱「第六圖」所示，中心孔頂針可具有 7 200817603 斜度螺紋設計，搭配中心孔的螺紋，頂針旋轉作 動方式6 7，亦可提供中心孔沿徑向向外輻射的 作用力’將刀具的最大外徑6 2外移，與軸承1 0產生尺寸干涉，配合加工工具的旋轉作動方式 6 5 ’前後作動方式6 6，及頂針作動方式6 7、 β 8 ’切削軸套的内壁，加工出内溝槽形狀。200817603 IX. Description of the Invention: [Technical Field] The present invention relates to a fluid bearing groove processing tool which provides a groove shape in a sleeve and provides a flow condition of the lubricating oil to meet the demand for stable rotation of the bearing. The inner groove processing tool has a plurality of cutting tools arranged on the circumference, and the maximum outer diameter of the manufacturing tool can be finely adjusted to enlarge and reduce, and it is easy to enter and exit the inner diameter of the bearing and scribe the inner groove. 1; [Prior Art] For the general fluid bearing design, please refer to the “First Diagram”. It is considered that the shaft and shaft can maintain low friction and low oil leakage at high speed. The sleeve surface has an inner groove machining, and the depth of the groove is about 3 to 10 micrometers (v. The inner groove does not count 'the fluid at the fishbone point will' cause a radial convex pressure wave, one circle on the circumference At the same time, the radial force to the axial center is generated, and the fluid power source that provides stable rotation of the bearing provides the bearing stable rotation function. The inner groove of the inner wall surface of the sleeve is the key processing focus. The general inner groove machining tool, the largest tool The outer diameter is a fixed value and slightly larger than the bearing bore diameter, so it must be processed from the starting point of the shaft hole. Therefore, the groove is connected to the outside, causing oil leakage or air inhalation. The fluid with a shaft hole size of less than 5 mm The bearing and the grooved pattern of the inner groove are more difficult. If a general single-handle tool is used, the groove is drilled deep into the shaft hole. Since the long diameter of the tool is relatively large and there is no branch point, the strength of the tool shaft is insufficient. Tools are easy to shake Vibration, scribe depth and size are not easy to control, etc. 5 200817603 [Summary of the Invention] According to the above-mentioned inner groove processing part, the invention is designed with the maximum outer diameter of the tool adjustable, and the manufacturing tool enters the shaft hole of the sleeve, and then Adjust the maximum outer diameter position of the tool and perform internal groove scribing. The tool on the circumference of the tool shaft is multiplied and symmetrically arranged to meet the groove knurling of the bearing diameter less than 5 mm. [Embodiment] With regard to the contents of the "fluid bearing groove processing tool" of the present invention and the effects thereof, the preferred embodiment of the present invention will be described in detail below. Please refer to the "second diagram" for the cylindrical shape. The groove processing tool 50, on the circumference of the first circular diameter 61, is provided with a plurality of raised cutters 5 1 in the same circumferential circle as a group of cutters; according to processing requirements, along different axial positions of the tool Multiple sets of tool sets can be arranged, which are respectively built on different circumferential circles. The axis of the cylindrical tool is hollow design, and the inner diameter of each section is 5 3 inner diameter, which can be according to the axial position. Large, progressive, step U, etc. The tool set on the circumference circle, between the tool and the tool, cuts the axial pre-cracking (cutting) groove 5 2 in the axial direction, and cuts the axial pre-cracking groove. Depth, from the tool surface to the center hole, or not to the center hole, depending on the tool processing range (groove depth) ° Pre-crack groove cutting range, can not be the tool tip, the integrity can still maintain the tool The structural strength of the center hole. The radial cross-sectional area of the central hole changes with the axial direction, and the thimble with relative inclination (area) changes, and moves forward and backward, and provides a radial external force from the center hole to the large central hole. By the expandability of the pre-cracking groove, the tool set of the tool surface can be opened to the radial direction 6 200817603. Before the thimble in the center hole has not been applied, the machining circle diameter of the overall tool body is 60, which is slightly smaller than The machined bushing shaft hole inner diameter 1 1 'tool can enter the shaft hole. In order to avoid the size interference between the tool and the bearing hole, and to provide the cutting material discharge passage, the tool can be provided with a second circular diameter 5.9, the diameter is smaller than the first circular diameter. 6 1 Axial pre-cracking groove design, please refer to "Third figure" As shown, the tool surface pre-cut pre-cracking groove 5 2 1 , the pre-cracking groove depth can penetrate the tool surface to the center hole, or is limited to the tool surface. When the radial force from the inside of the hole in the center of the tool is 30, it uses the interference relationship between the center hole thimble and the inner diameter of the center hole, or the internal pressure of the center hole is increased by the gas/oil pressure fluid, and the pre-cracking groove is radiated outward. The radial extent of the opening and the opening is determined by the depth of the groove machining, and the radius of the tool machining radius of the tool circumferential surface is also expanded. Please refer to the “Fourth Diagram”. The center hole can be added with a gradient thread design. The axial pre-cracking range of the tool body can be extended to the tip of the tool. The front end is fixed by the fixing seat 5 5 or not extended. To the tip of the tool (see the second figure). The groove processing tool can also be combined with the shaft hole tool 5 7 to combine drilling and scribing the inner groove without replacing the tool. The bearing inner groove machining program is described below. Please refer to the “fifth figure”. After the machining tool enters the proper distance in the shaft hole, the center hole ejector pin 5 4 can move back and forth inside the center hole. The thimble can properly resist the inner wall of the center hole and generate radial radiation. Force, the tool's maximum outer diameter 6 2 is moved outward, and the size of the bearing 10 is interfered with, the rotation mode of the machining tool is matched with the machining mode 6 5 , the front and rear actuation modes 6β , and the ejector pin movement mode 6 8 , the inner wall of the cutting sleeve, The inner groove shape is machined. Please refer to the “Sixth Drawing”. The center hole thimble can have a 7200817603 slope thread design with the thread of the center hole. The thimble rotation mode can also provide the force of the center hole radiating radially outward. Move the maximum outer diameter of the tool 6 2 outward, and cause interference with the bearing 10, and cooperate with the rotary operation mode of the machining tool. 6 5 'The front and rear actuation mode 6 6 and the ejector actuation mode 6 7 , β 8 'cut the inner wall of the sleeve , the inner groove shape is machined.
本發明的另一型態加工工具設計，刀具的加 工圓徑60大於軸承孔徑11，工具的第一圓徑 6 1稍小於軸孔内徑，請參閱「第七圖」所示^ 為了使工具順利進入軸孔内加工，需壓縮刀具的 最大外徑至小於軸孔内徑。同樣的，在工具^周 上預割軸向預裂槽，但原設置於中心孔的面積^ 化梯度，改没置於工具外控表面，與外徑套筒5 6的徑向截面積，互相對應，當外徑套筒以前後 移動方式6 4，可壓抑或放鬆刀具的最大圓徑， 改變刀具的加工圓徑至略小於軸承孔徑，加工工 ，可順利進入軸承内。請參閱「第八圖」所示， 藉由外徑套筒5 6的前後作動方式，改變刀且的 徑向加工範圍，與軸承10產生2寸干 加工工具的旋轉作動方式6 5，前後作動方式6 6 ’切削軸套的内壁，加工出内溝槽形狀。 外徑套清5 6與加工工具間，亦可採斜度螺 紋式組合方式，藉由斜度螺紋旋轉模式6 3，亦 可達到外徑套筒前後移動之目的，改變刀具的徑 向加工範圍，與軸承10產生尺寸干涉，配合加 =工具的旋轉作動方式6 5，前後作動方式6 6，切削轴套的内壁，加工出内溝槽形狀。 另一工具設計，改變預裂槽的割劃方向，採 徑向預裂槽522，請參閱「第九圖」所示。在 8 200817603 工^圓周表面的複數個凸起刀具，在其位 婁沿圓周割劃徑向預裂槽，預裂槽不可穿 U面至中心孔。中心孔内部可填充氣/油壓 利用流體幫浦加壓或中心孔頂針推送 樺的式’提供中心孔内流體壓力，藉由預裂 曰二β擴張性，推開預裂槽，請參閱「第十圖」Another type of processing tool of the present invention is designed such that the machining circle diameter 60 of the tool is larger than the bearing diameter 11 and the first circular diameter 6 1 of the tool is slightly smaller than the inner diameter of the shaft hole. Please refer to the "seventh drawing" ^ for the tool Smooth entry into the shaft hole requires compression of the maximum outer diameter of the tool to less than the inner diameter of the shaft hole. Similarly, the axial pre-cracking groove is pre-cut on the tool circumference, but the area gradient originally set in the center hole is not placed on the outer control surface of the tool, and the radial cross-sectional area of the outer diameter sleeve 56, Corresponding to each other, when the outer diameter sleeve moves back and forth 6 4, the maximum circular diameter of the tool can be suppressed or relaxed, and the machining circle diameter of the tool can be changed to be slightly smaller than the bearing diameter. The processor can smoothly enter the bearing. Please refer to the "August 8", by the front and rear actuation of the outer diameter sleeve 56, to change the radial processing range of the knife, and the rotation of the 2 inch dry machining tool with the bearing 10 6 5, before and after actuation Method 6 6 'Cut the inner wall of the bushing to shape the inner groove. Between the outer diameter sleeve clearing and the processing tool, it can also adopt the oblique thread type combination. By the inclined thread rotation mode 63, the outer diameter sleeve can be moved forward and backward to change the radial processing range of the tool. The size of the bearing 10 is interfered with, and the rotation of the tool is added to the tool 6 6 . The front and rear actuation modes 6 6 cut the inner wall of the sleeve to form the inner groove shape. Another tool design changes the cutting direction of the pre-cracking groove and adopts the radial pre-cracking groove 522. Please refer to the "Ninth Figure". At 8 200817603, a plurality of raised tools on the circumferential surface of the workpiece are cut along the circumference of the radial pre-cracking groove, and the pre-cracking groove is not allowed to pass through the U-face to the center hole. The inside of the center hole can be filled with gas/oil pressure. The fluid pressure is applied by the fluid pump or the center hole thimble pushes the bile's type to provide the fluid pressure in the center hole. By pre-cracking the second β expansion, push the pre-cracking groove, see " Figure 10
t; 丄工具圓周表面之刀具，亦隨預裂槽變形而 =徑，方向伸展，擴張刀具組的最大加工圓徑範 三清參閱「第十一圖」所示，刀具組擴張後， 可在轴承套内壁進行内溝槽加工，配合工具中心 孔内部的氣/油壓加減壓，或中心孔頂針的前後等 動作，加工出不同之内溝槽形狀。 綜上所述，本發明的設計，可用於加工軸承 内溝槽，進而使本發明之產生能更進步、更實用、 更符合使用者之所須，確已符合發明專利申請之 要件，爰依法提出專利申請。 惟以上所述者，僅為本發明之流體軸承溝槽 加工工具設計實施例而已，當不能以此限定本發 明實施之範圍；故，凡依本發明申請專利範圍及 發明說明書内容所作之簡單的等效變化與修飾， 旁應仍屬本發明專利涵蓋之範圍内。 9 200817603 【圖式簡單說明】 第一圖：係一般轴承内溝槽示意圖。 第二圖：係本發明之溝槽加工工具示意圖。 第三圖：係本發明之轴向預裂槽設計示意圖。 第四圖：係本發明之另一溝槽加工工具示意圖。 第五圖：係本發明之溝槽加工方式示意圖。 第六圖：係本發明之另一溝槽加工方式示意圖。 第七圖·係本發明之另一溝槽加工工具不意圖。 第八圖：係本發明之另一溝槽加工方式示意圖。 第九圖：係本發明之徑向預裂槽設計示意圖。 第十圖：係本發明之溝槽加工工具示意圖。 第十一圖：係本發明之另一溝槽加工方式示意圖。 【主要元件符號說明】 10 轴套 11 -----軸承孔徑 12 -----旋轉轴 15-----軸套油室 21-----上部溝槽 23-----下部溝槽 30-----徑向力 35-----氣/油壓源 50 -----内溝槽加工工具 51 -----J 具 521 ----軸向預裂（割）槽 522 ----徑向預裂（割）槽t; The tool on the circumferential surface of the tool is also deformed with the pre-cracking groove = diameter, direction extension, and the maximum machining circle diameter of the expanding tool group is shown in the "11th figure". After the tool group is expanded, it can be The inner wall of the bearing sleeve is processed by the inner groove, and the gas/oil pressure inside the tool center hole is added and decompressed, or the front and rear of the center hole ejector are processed to process different groove shapes. In summary, the design of the present invention can be used to process the inner groove of the bearing, thereby making the invention more progressive, more practical, and more suitable for the user, and indeed meets the requirements of the invention patent application, File a patent application. However, the above description is only for the fluid bearing groove processing tool design embodiment of the present invention, and the scope of the present invention cannot be limited thereto; therefore, the simple scope of the patent application scope and the invention description of the present invention is Equivalent changes and modifications are still within the scope of the invention. 9 200817603 [Simple description of the diagram] The first picture: is a schematic diagram of the groove inside the general bearing. Second: A schematic view of a groove processing tool of the present invention. The third figure is a schematic diagram of the design of the axial pre-cracking groove of the present invention. Fourth Figure: is a schematic view of another groove processing tool of the present invention. Fig. 5 is a schematic view showing the groove processing mode of the present invention. Fig. 6 is a schematic view showing another groove processing mode of the present invention. Fig. 7 is another schematic of the groove processing tool of the present invention. Figure 8 is a schematic view of another groove processing method of the present invention. Figure 9 is a schematic view showing the design of the radial pre-cracking groove of the present invention. Figure 10 is a schematic view of a groove processing tool of the present invention. Eleventh drawing: A schematic view of another groove processing method of the present invention. [Main component symbol description] 10 Bushing 11 -----bearing aperture 12 -----Rotary shaft 15-----sleeve oil chamber 21-----upper groove 23----- Lower groove 30-----radial force 35-----gas/oil pressure source 50 -----internal groove machining tool 51 -----J with 521 ---- axial pre- Splitting (cutting) groove 522 ---- radial pre-cracking (cutting) groove
53 -----中孑L 54 -----中心孔頂針 55 -----固定座 200817603 56 -----外徑套筒 57 -----鑽頭 58 -----氣/油壓流體 59 -----工具第二圓徑 60 -----刀具加工圓徑 61 -----工具第一圓徑 62 -----刀具外移後加工圓徑 63 -----外徑套筒旋轉作動方式 64 -----外徑套筒前後作動方式 65 -----製造工具旋轉作動方式 66 -----製造工具前後作動方式 67 -----項針旋轉作動方式 68 -----頂針前後作動方式 1153 -----中孑L 54 -----Center hole thimble 55 -----Fixed seat 200817603 56 -----Outer diameter sleeve 57 -----Drill 58 ----- Gas/Hydraulic Fluid 59 -----Tool Second Round Path 60 -----Tool Machining Round Path 61 -----Tool First Round Diameter 62 -----The Tool Diameter After the Tool Moves Out 63 -----Outer diameter sleeve rotation mode 64 -----Outer diameter sleeve front and rear actuation mode 65 ----- Manufacturing tool rotation actuation mode 66 ----- Manufacturing tool before and after actuation mode 67 - ----Needle rotation actuation mode 68 -----The thimble before and after actuation mode 11