TWI761143B - Special tool holder for turning and milling center - Google Patents
Special tool holder for turning and milling center Download PDFInfo
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- TWI761143B TWI761143B TW110109966A TW110109966A TWI761143B TW I761143 B TWI761143 B TW I761143B TW 110109966 A TW110109966 A TW 110109966A TW 110109966 A TW110109966 A TW 110109966A TW I761143 B TWI761143 B TW I761143B
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Abstract
本發明一種車銑中心專用刀把,該刀把係裝設於一主軸,該主軸一端設置一中心軸孔,該中心軸孔周圍設有至少一定位孔,該刀把包含:一刀把本體及至少一定位單元,該刀把本體一端設有一刀具固定部,另一端設有一安裝部,該安裝部用以插置於該主軸之中心軸孔,該刀具固定部與該安裝部之間設有一輔助定位架,該輔助定位架設有至少一筒座,該定位單元裝設於該輔助定位架之筒座,該定位單元包含有一軸筒、一心軸、一彈簧及複數鋼珠,該定位單元用以插置於該主軸之定位孔;藉以,使刀把可簡便快速組裝於主軸精密角度定位,達到提高加工精度及生產效率。The present invention is a special tool holder for turning and milling center. The tool holder is installed on a main shaft, one end of the main shaft is provided with a central shaft hole, and at least one positioning hole is arranged around the central shaft hole. The tool holder comprises: a tool holder body and at least one positioning hole. One end of the tool handle body is provided with a tool fixing part, and the other end is provided with a mounting part, the mounting part is used to be inserted into the central shaft hole of the main shaft, and an auxiliary positioning frame is arranged between the tool fixing part and the mounting part, The auxiliary positioning frame is provided with at least one cylinder seat, and the positioning unit is installed in the cylinder seat of the auxiliary positioning frame. The positioning unit includes a shaft cylinder, a mandrel, a spring and a plurality of steel balls. The positioning hole of the spindle; thereby, the tool holder can be easily and quickly assembled on the spindle for precise angle positioning, so as to improve the machining accuracy and production efficiency.
Description
本發明係有關於一種刀把,尤指一種車銑中心專用刀把。The invention relates to a tool holder, especially a special tool holder for a turning and milling center.
按,工具機的發展日益講求自動化及加工的精密度,為了達到這些要求,機台的功能不斷的提升,其中CNC(Computer Numerical Control,數值控制)車床與CNC加工中心的功能複合在同一機台上,被稱為“數控車銑中心”或“數控銑車中心”,達成的功能除了節省人力、自動化之外,更能在一次夾持中同時完成車和銑的二種加工,大大節省了夾具的製作,以及提高工件的幾何精度。According to the press, the development of machine tools increasingly emphasizes the precision of automation and processing. In order to meet these requirements, the functions of the machine are continuously improved. Among them, the functions of CNC (Computer Numerical Control, numerical control) lathes and CNC machining centers are combined in the same machine. In addition to saving manpower and automation, it is also known as "CNC Turning and Milling Center" or "CNC Milling and Turning Center", and it can also complete both turning and milling processes in one clamping, which greatly saves money. The production of fixtures, as well as improving the geometric accuracy of the workpiece.
習知數控銑車中心所使用之刀把係裝設於一主軸,該刀把一端設有一刀具固定部,用以固定一刀具,另該刀把上設有至少一定位缺口,該主軸設有至少一定位凸塊,該刀把插設於該主軸,該至少一定位凸塊嵌合於該至少一定位缺口,藉以使該刀把與該主軸之間形成定位。The tool holder used in the conventional CNC milling and turning center is installed on a main shaft. One end of the tool holder is provided with a tool fixing part for fixing a tool. In addition, the tool holder is provided with at least one positioning notch, and the main shaft is provided with at least one positioning part. The tool holder is inserted into the main shaft, and the at least one positioning projection is fitted into the at least one positioning notch, so as to form a positioning between the tool holder and the main shaft.
惟,該習知數控銑車中心進行工件加工時,由於刀把之定位缺口與主軸之定位凸塊間存在有一間隙,使得加工精度降低,導致工件的加工表面形成不良的紋路等狀況,如此極易造成工件的尺寸偏差,進而影響工件的品質及生產效率。However, when the conventional CNC milling and turning center processes workpieces, there is a gap between the positioning notch of the tool holder and the positioning bump of the main shaft, which reduces the machining accuracy, resulting in the formation of bad lines on the machined surface of the workpiece. The size deviation of the workpiece is caused, which in turn affects the quality and production efficiency of the workpiece.
本發明人有鑑於習知銑車中心之刀把具有上述缺點,是以乃思及創作的意念,經多方探討與試作樣品試驗,及多次修正改良後,終推出本發明。In view of the above-mentioned shortcomings of the conventional milling-turning center tool holder, the inventor of the present invention finally came up with the present invention after many discussions, prototype tests, and many revisions.
本發明提供一種車銑中心專用刀把,該刀把係裝設於一主軸,該主軸一端設置一中心軸孔,該中心軸孔周圍設有至少一定位孔,該至少一定位孔的孔壁環設一溝槽,該刀把包含:一刀把本體,一端設有一刀具固定部,另一端設有一安裝部,該安裝部用以插置於該主軸之中心軸孔,該刀具固定部與該安裝部之間設有一輔助定位架,該輔助定位架設有至少一筒座,該筒座沿軸向設有一貫穿之套孔;及至少一定位單元,裝設於該輔助定位架之筒座,該定位單元包含有一軸筒、一心軸、一彈簧及複數鋼珠,該軸筒兩端分別設置一穿設端及插入端,該軸筒靠近該穿設端設有一穿套段,該軸筒靠近該插入端設有一插置段,該穿套段穿設於該筒座之套孔結合,該插置段用以插置於該主軸之定位孔,該軸筒沿軸向設有一容置孔,該容置孔內壁沿徑向環設有複數通孔,該複數通孔貫通該軸筒之插置段,該心軸可移動地裝設於該軸筒之容置孔,一端設置一抵靠端,該抵靠端凸伸於該容置孔外側,該心軸外緣設有一外錐面,該彈簧用以將該心軸往該軸筒之插入端方向彈抵,該複數鋼珠裝設於該軸筒之複數通孔,該複數鋼珠可受該心軸之外錐面往外抵推,卡抵於該主軸之定位孔的溝槽,使該刀把達到精密角度定位。The invention provides a special tool holder for turning and milling center. The tool holder is mounted on a main shaft, one end of the main shaft is provided with a central shaft hole, at least one positioning hole is arranged around the central shaft hole, and a groove is formed around the hole wall of the at least one positioning hole. The tool handle includes: a tool handle body, one end is provided with a tool fixing part, the other end is provided with a mounting part, the mounting part is used to be inserted into the central shaft hole of the main shaft, and the tool fixing part and the mounting part are provided between There is an auxiliary positioning frame, the auxiliary positioning frame is provided with at least one cylinder seat, and the cylinder base is provided with a through hole in the axial direction; and at least one positioning unit is installed in the cylinder base of the auxiliary positioning frame, and the positioning unit includes a A shaft barrel, a mandrel, a spring and a plurality of steel balls, the two ends of the shaft barrel are respectively provided with a piercing end and an insertion end, the shaft barrel is provided with a penetrating section near the piercing end, and the shaft barrel is near the insertion end is provided with a an insertion section, the through-sleeve section is combined with the sleeve hole of the cylinder seat, the insertion section is used to be inserted into the positioning hole of the main shaft, the shaft cylinder is provided with an accommodating hole along the axial direction, the accommodating hole The inner wall is provided with a plurality of through holes along the radial ring, and the plurality of through holes pass through the insertion section of the shaft barrel. The abutting end protrudes from the outside of the accommodating hole, the outer edge of the mandrel is provided with an outer tapered surface, the spring is used to push the mandrel toward the insertion end of the shaft barrel, and the plurality of steel balls are installed on the shaft The plurality of through holes of the barrel, the plurality of steel balls can be pushed outward by the outer conical surface of the mandrel, and are stuck in the groove of the positioning hole of the main shaft, so that the knife handle can achieve precise angle positioning.
本發明車銑中心專用刀把之主要目的,在於其設有至少一定位單元,而可利用該定位單元使刀把組裝於主軸時精密角度定位,藉以提高加工精度及生產效率。The main purpose of the special tool holder for turning and milling center of the present invention is that it is provided with at least one positioning unit, and the positioning unit can be used to precisely angularly position the tool holder when it is assembled on the main shaft, thereby improving machining accuracy and production efficiency.
本發明車銑中心專用刀把之次一目的,在於其刀把與主軸組裝時,將刀把本體插置於主軸之中心軸孔,定位單元插置於主軸之定位孔即可,組裝動作簡便快速。The second purpose of the special tool holder for turning and milling center of the present invention is that when the tool holder is assembled with the main shaft, the tool holder body is inserted into the central shaft hole of the main shaft, and the positioning unit is inserted into the positioning hole of the main shaft, and the assembly action is simple and fast.
以下茲配合本發明較佳實施例之圖式進一步說明如下,以期能使熟悉本發明相關技術之人士,得依本說明書之陳述據以實施。The following descriptions are further described below in conjunction with the drawings of the preferred embodiments of the present invention, in order to enable those who are familiar with the related art of the present invention to implement according to the statements in this specification.
首先,請配合參閱第一圖至第五圖所示,本發明一種車銑中心專用刀把,該刀把1係裝設於一VDI(Verein Deutscher lngenieure)刀座之主軸2,該主軸2前端設置一中心軸孔2A,該中心軸孔2A周圍設有至少一定位孔2B(於本實施例該中心軸孔2A周圍設有兩定位孔2B),該兩定位孔2B的底部分別設有一吹氣孔21B,該兩定位孔2B的孔壁分別環設一溝槽22B,該刀把1包含:一刀把本體10及至少一定位單元20。First of all, please refer to the first figure to the fifth figure, the present invention is a special tool holder for turning and milling center, the tool holder 1 is installed on the
該刀把本體10一端設有一刀具固定部11,用以固定一刀具30,該刀具30於本實施例為車刀,另一端設有一安裝部12,該安裝部12用以插置於該主軸2之中心軸孔2A,該刀具固定部11與該安裝部12之間設有一輔助定位架13,該輔助定位架13設有至少一筒座131(於本實施例該輔助定位架13設有兩相對應之筒座131),該筒座131沿軸向設有一貫穿之套孔1311。One end of the
該至少一定位單元20(於本實施例為兩定位單元20)裝設於該輔助定位架13之筒座131,該定位單元20包含有一軸筒21、一心軸22、一彈簧23、複數鋼珠24、一螺桿25、一碟型彈簧26及一鎖栓27。The at least one positioning unit 20 (two
該軸筒21兩端分別設置一穿設端211及一插入端212,該軸筒21靠近該穿設端211設有一穿套段213,該軸筒21靠近該插入端212設有一插置段214,該穿套段213穿設於該筒座131之套孔1311,該穿套段213靠近該插置段214的一端設有一凸擋部2131,該穿套段213遠離該插置段214的一端設有一扣槽2132供一C型扣2133卡扣,藉由該凸擋部2131與該C型扣2133抵靠於該筒座131兩端,使得該軸筒21與該筒座131結合,該插置段214用以插置於該主軸2之定位孔2B,該軸筒21沿軸向設有一容置孔215,該容置孔215內壁設有一內錐面2151,該內錐面2151沿徑向環設有複數通孔2152,該複數通孔2152貫穿該軸筒21之插置段214。Two ends of the
該心軸22可移動地裝設於該軸筒21之容置孔215,一端設置一抵靠端221,另一端設置一連接端222,該抵靠端221凸伸於該軸筒21之插入端212外側,該連接端222容置於該軸筒21之容置孔215內,該心軸22外緣設有一與該內錐面2151對應之外錐面223。The
該彈簧23裝設於該軸筒21之容置孔215,用以將該心軸22往該軸筒21之插入端212方向彈抵。The
該複數鋼珠24裝設於該軸筒21之複數通孔2152,該複數鋼珠24可受該心軸22之外錐面223往外抵推,卡抵於該主軸2之定位孔2B的溝槽22B。The plurality of
該螺桿25穿設該軸筒21之容置孔215及該彈簧23,該螺桿25一端與該心軸22之連接端222連接,另端靠抵於該軸筒21之穿設端211限位。The
該碟型彈簧26貼置於該心軸22之抵靠端221。The
該鎖栓27用以將該碟型彈簧26固定於該心軸22之抵靠端221。The
本發明刀把1與主軸2組裝時,可如第四圖及第五圖所示,於該插置段214插置於該主軸2之定位孔2B前,啟動自動吹氣功能,啟動該主軸2之兩定位孔2B底部的吹氣孔21B進行自動吹氣的清潔功能,以清除該兩定位孔2B內的鐵屑等雜質,確保定位精度不受鐵屑影響,接著如第六圖及第七圖所示,將該刀把本體10之安裝部12插置於該主軸2之中心軸孔2A(此時該刀把本體10之安裝部2未完全插入至定位),該定位單元20之軸筒21的插置段214插置於該主軸2之定位孔2B,使該碟型彈簧26抵靠於該定位孔2B的孔底部,再如第八圖所示,將該刀把本體10之安裝部12插入至定位,在該插入至定位過程中,該碟型彈簧26被壓縮,使該心軸22受擋止,而該軸筒21則受該輔助定位架13之筒座131持續往該主軸2方向移動,使該彈簧23受擠壓收縮,及使該複數鋼珠24受該心軸22之外錐面223往外抵推,卡抵於該主軸2之定位孔2B的溝槽22B,進而使該刀把1精密角度定位(零點定位)。When the tool holder 1 of the present invention is assembled with the
本發明刀把1與主軸2分離時,該碟型彈簧26及該彈簧23回復原狀,該軸筒21受該彈簧23彈抵回原位,以便下次組裝使用。When the knife handle 1 of the present invention is separated from the
再者,如第九圖所示,係為本發明車銑中心專用刀把之另一實施例,該另一實施例與上述實施例的差異在於該碟型彈簧26設置於該主軸2之定位孔2B底部。Furthermore, as shown in Figure 9, it is another embodiment of the special tool holder for turning and milling centers of the present invention. The difference between this other embodiment and the above-mentioned embodiment is that the
又如第十圖所示,係為本發明車銑中心專用刀把之又一實施例,該又一實施例與上述實施例的差異在於當該刀具30為銑刀時,由於銑刀可旋轉不需定位,因而可不使用輔助位架13及定位單元20。As shown in Figure 10, it is another embodiment of the special tool holder for the turning and milling center of the present invention. The difference between this another embodiment and the above-mentioned embodiment is that when the
由上述具體實施例之結構,可得到下述之效益:From the structure of the above-mentioned specific embodiment, the following benefits can be obtained:
1.本發明車銑中心專用刀把,其設有至少一定位單元20,而可利用該定位單元20使刀把1組裝於主軸2時達到精密角度定位,藉以提高加工精度及生產效率。1. The special tool holder for turning and milling center of the present invention is provided with at least one
2.本發明車銑中心專用刀把,其刀把1與主軸2組裝時,將刀把本體10插置於主軸2之中心軸孔2A,定位單元20插置於主軸2之定位孔2B,即可形成精密角度定位,組裝動作簡便快速。2. The special tool holder for the turning and milling center of the present invention, when the tool holder 1 is assembled with the
1:刀把1: Knife handle
2:主軸2: Spindle
2A:中心軸孔2A: Center shaft hole
2B:定位孔2B: Positioning hole
21B:吹氣孔21B: Blow hole
22B:溝槽22B: Groove
10:刀把本體10: Knife handle body
11:刀具固定部11: Tool fixing part
12:安裝部12: Installation Department
13:輔助定位架13: Auxiliary positioning frame
131:筒座131: cylinder seat
1311:套孔1311: Set of holes
20:定位單元20: Positioning unit
21:軸筒21: Axle barrel
211:穿設端211: wear end
212:插入端212: Insertion end
213:穿套段213: wear section
2131:凸擋部2131: convex stopper
2132:扣槽2132: Buckle slot
2133:C型扣2133: C-type buckle
214:插置段214: Insert segment
215:容置孔215: accommodating hole
2151:內錐面2151: Inner Cone
2152:通孔2152: Through hole
22:心軸22: Mandrel
221:抵靠端221: abutting end
222:連接端222: Connection end
223:外錐面223: Outer cone
23:彈簧23: Spring
24:鋼珠24: Steel ball
25:螺桿25: Screw
26:碟型彈簧26: Disc spring
27:鎖栓27: Latch
30:刀具30: Knives
第一圖係本發明刀把與主軸之立體組合圖。 第二圖係本發明刀把與主軸之立體分解圖。 第三圖係本發明刀把之局部立體分解圖。 第四圖係本發明刀把與主軸組裝之動作示意圖一。 第五圖係第四圖A1部分之放大圖。 第六圖係本發明刀把與主軸組裝之動作示意圖二。 第七圖係第六圖A2部分之放大圖。 第八圖係本發明定位單元插入主軸定位孔內定位之剖面示意圖。 第九圖係本發明另一實施例之局部剖面分解圖。 第十圖係本發明又一實施例之立體圖。 The first figure is a three-dimensional combined view of the tool holder and the main shaft of the present invention. The second figure is an exploded perspective view of the tool handle and the main shaft of the present invention. The third figure is a partial perspective exploded view of the knife handle of the present invention. The fourth figure is a schematic diagram 1 of the action of assembling the tool holder and the spindle according to the present invention. The fifth figure is an enlarged view of part A1 of the fourth figure. Fig. 6 is a schematic diagram 2 of the action of assembling the tool holder and the spindle according to the present invention. Figure 7 is an enlarged view of part A2 of Figure 6. Figure 8 is a schematic cross-sectional view of the positioning unit of the present invention inserted into the positioning hole of the spindle for positioning. Figure 9 is a partial cross-sectional exploded view of another embodiment of the present invention. Figure 10 is a perspective view of another embodiment of the present invention.
1:刀把 1: Knife handle
2:主軸 2: Spindle
2A:中心軸孔 2A: Center shaft hole
2B:定位孔 2B: Positioning hole
10:刀把本體 10: Knife handle body
11:刀具固定部 11: Tool fixing part
12:安裝部 12: Installation Department
13:輔助定位架 13: Auxiliary positioning frame
131:筒座 131: cylinder seat
20:定位單元 20: Positioning unit
30:刀具 30: Knives
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US5096347A (en) * | 1990-04-20 | 1992-03-17 | Mori Seiko Co., Ltd. | Spring clamp with clamped condition holding device |
US5885039A (en) * | 1997-02-03 | 1999-03-23 | Boisvert; Marc H. | Quick tool release mechanism for vertical milling machines |
US5954347A (en) * | 1995-06-20 | 1999-09-21 | Robert Bosch Gmbh | Tool holder and tool for drilling and striking machine tool |
US7726919B1 (en) * | 2005-02-01 | 2010-06-01 | Rottler Manufacturing Inc. | Resurfacing machine tool |
US20120087756A1 (en) * | 2009-06-15 | 2012-04-12 | Minoru Kanematsu | Mechanism for grasping tool, chuck, clamp mechanism, or the like |
-
2021
- 2021-03-19 TW TW110109966A patent/TWI761143B/en active
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US4131054A (en) * | 1976-11-08 | 1978-12-26 | Ex-Cell-O Corporation | High speed spindle and draw bar assembly |
US4643623A (en) * | 1983-07-12 | 1987-02-17 | Fuji Seiko Limited | Holder for rotary cutting tools |
US4778313A (en) * | 1987-05-18 | 1988-10-18 | Manuflex Corp. | Intelligent tool system |
US5096347A (en) * | 1990-04-20 | 1992-03-17 | Mori Seiko Co., Ltd. | Spring clamp with clamped condition holding device |
US5954347A (en) * | 1995-06-20 | 1999-09-21 | Robert Bosch Gmbh | Tool holder and tool for drilling and striking machine tool |
US5885039A (en) * | 1997-02-03 | 1999-03-23 | Boisvert; Marc H. | Quick tool release mechanism for vertical milling machines |
US7726919B1 (en) * | 2005-02-01 | 2010-06-01 | Rottler Manufacturing Inc. | Resurfacing machine tool |
US20120087756A1 (en) * | 2009-06-15 | 2012-04-12 | Minoru Kanematsu | Mechanism for grasping tool, chuck, clamp mechanism, or the like |
Also Published As
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TW202237307A (en) | 2022-10-01 |
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