!314080 九、發明說明： 【發明所屬之技術領域】 本發明是有關於一種加工機，特別是指一種加工時適 用於夾持工件之加工機第四軸裝置。 【先前技術】BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a processing machine, and more particularly to a fourth shaft device for a processing machine suitable for holding a workpiece during processing. [Prior Art]
參閱圖1，為現有一種沖子成形研磨器7,包含一基座 71、一設置於該基座71其中一側且可相對於該基座71原 地繞一軸線Y旋轉之夾頭72,及一設置於該基座71另一側 且與該夾頭72連結之把手73。 當欲對一工件8進行研磨加工以獲得所需形狀之沖子 時，先利用該夾頭72夾持該工件8，再利用一加工裝置9 (例如研磨輪）沿該軸線γ方向往復移動地對該工件8進 仃研磨。待該卫件8被研磨出部分形狀後，藉由操作者轉 動該把手73使該夾頭72原地繞該軸線γ旋轉一角度，亦 即使該工件8原地繞該軸線γ轉動該角度，再利用該加工 裝置9對該工件8進行研磨，重複進行上述動作後即可將 該工件8研磨成所需形狀之沖子。 ，w打利咏犯于73使該爽頭 72轉動該角度而到達定位，因此需花費較長時間而提高加 工時之時間成本’且該沖子成形研磨胃7無法自動化，對 於進行大#加卫時亦構成-大阻礙。另外，雖然可利用一 馬達（圖未W動該㈣72，_馬達僅能驅動該爽 頭72原地繞該軸線Υ旋轉，並無法進行角度定位，因此仍 需藉由操作者調整該夾頭72之轉動角度，同樣會增加加工 5 1314080 時之時間成本。 【發明内容】 因此’本發明之一目的即在提供一種可降低加工時間 成本、自動化及保持角度定位之加工機第四轴裳置。Referring to FIG. 1 , a conventional punch forming grinder 7 includes a base 71 , a collet 72 disposed on one side of the base 71 and rotatable relative to the base 71 about an axis Y. And a handle 73 disposed on the other side of the base 71 and coupled to the chuck 72. When a workpiece 8 is to be ground to obtain a punch of a desired shape, the workpiece 8 is first clamped by the chuck 72, and then reciprocated in the γ direction by a processing device 9 (for example, a grinding wheel). The workpiece 8 is ground and ground. After the guard 8 is ground to a partial shape, the operator rotates the handle 73 to rotate the collet 72 an angle around the axis γ, even if the workpiece 8 rotates the angle around the axis γ. The workpiece 8 is further polished by the processing device 9, and after repeating the above operation, the workpiece 8 can be ground into a punch of a desired shape. , w 打 咏 咏 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 73 Wei Shi also constitutes a big obstacle. In addition, although a motor can be used (the motor does not move the (four) 72, the motor can only drive the cooling head 72 to rotate around the axis in the original direction, and the angular positioning cannot be performed, so the operator needs to adjust the chuck 72. The angle of rotation also increases the time cost of processing 5 1314080. [SUMMARY OF THE INVENTION] It is therefore an object of the present invention to provide a fourth axis of processing machine that reduces processing time costs, automates, and maintains angular positioning.
於是，本發明之加工機第四軸裝置包含—固定單元、 一軸承單元、一治具，及一驅動單元。該固定單元包括一 基板。該軸承單元包括一設置於該基板之中空本體。該治 具是與該軸承單元相連接，並可相對於該本體繞一軸線旋 轉。該驅動單元包括-與該固定單元相連接且用以驅動該 治具繞該軸線旋轉一角度之驅動馬達。 【實施方式】 有關本發明之前述及其他技術内容、特點與功效，在 以下配合參考圖式之一個較佳實施例的詳細說明中，將可 清楚的呈現。 參閱圖2、3’本發明之加工機第四軸裝置的一第一較 佳實施例包含一固定單元i、一軸承單元2、一治具3、一 包括-驅動馬達41之驅動單元4、一使該治具3 :持定位 之煞車單元5，及一殼體6。 該固定單元1包括_其起η „ 已栝基板11，及一設置於該基板u 位於該軸承單元2與該驅動馬達41間之固定座。 該軸承單元2包括—設置於該基板u之中空本 -與該治具3相連接之第一面盤& 一沿一軸線θ 該第一面盤22間隔設置之第_ 向與 … 一夾設於該等面盤 22、23間且與該等面盤22、23相連接之間隔盤“，及複 6 1314080 數滚動件25。該本體21具有沿該軸線L方向相背設置之一 第一端部2η與-第二端部212，及—由該本體21之一内 表面213凹設之凹槽214，該第一、第二面盤22、23是八 別設置於該第…第二端部m、212，該第—面盤Μ及: 間隔盤24各具有-與該等滾動件25相頂抵之滾動面221、 241 1第二面盤23具有-凸柱23卜該等滾動件25是設 置於該凹槽214内。在本實施例中，該等滾動件2 狀。 該治具3，是與該軸承單元2之第一面盤22相連接， 並可相對於該本體21繞該減L旋轉，值得說明的是，該 治具、3可為夾頭、蜂巢板、筒夾，或頂針，在本實施財 ’該治具3為爽頭。 該驅動單元4更包括一連軸器42，該驅動馬達41是與 該固定單元1之固定座12相連接且用以驅動該治具3繞該 軸線L旋轉一角度，該連轴器42是穿設於該固定座12與 該煞車單元5，該驅動馬達41具有一與該轴承單元2之/凸 柱231相對之轉軸411，該連軸器42之兩端部是分別與該 轉軸411及該凸柱231相連接。值得說明的是，該驅動馬達 41可為步進馬達、可分度運轉馬達，或伺服馬達，在本實 施例中，該驅動馬達41為步進馬達。 配合參閱圖4，該煞車單元5包括一設置於該固定單元 1之固定座12且具有一圍繞該軸線L之固定面511的制動 件51、一具有一與該固定面511相對設置之旋轉面521的 煞車件52、一與該軸承單元2及該煞車件52連結且具有複 7 1314080 數環繞該軸線L之定位孔531的彈性件53、複數與該轴承 單元2連結且穿設於該煞車件52之導引件54、複數穿設於 該彈性件53且與該煞車件52相連接之固定件55、一套$ 於該驅動單元4之連軸器42且與該軸承單 弟一面盤 23相連接之墊塊56,及一容置該制動件51、該敏車件μ ’二該墊塊56之煞車箱座57。該制動件51是用以提供該 免、車件52 —呈極性之吸引力使該旋轉面52ι血該固定面 川相頂抵，值得說明的是，該呈極性之吸引力'可為靜^力 或磁力，在本實施例中，該呈極性之吸引力為磁力。該教 車件52具有複數與部分該較位孔531相對應設置之導= 孔522 ’及複數與其餘之該等定位孔531相對應設置之穿孔 523。該彈性件53是用以使該旋轉面521遠離該固定面511 ’值得說明的是’該彈性件53可為板簧或盤形彈簧，在本 實施例中，該彈性件53為板簧。每—導引件54具有一穿 設於其中一定位孔531且與該墊塊56相連接之桿身段541 ’及-與該彈性件53鄰近該煞車件52之—表面532相頂 抵且穿叹於其中—導引孔522之頭部542。每-固定件55 具有一穿設於其中另一定位孔531與其中-穿孔523且與 該煞車件52才目連接之桿身段551，及一與該彈性件μ相背 於該…車件52之一表面533相頂抵的頭部552。 該双體6疋用以容置該驅動單元4及該煞車單元5。 參閱圖3、4、5 ’當對—夹持於該治具3且欲進行加工 圖未示）進行角度定位時，藉由一定位訊號使該 驅動馬達41之韓亂a η站 锝釉411繞§亥軸線L轉動一角度，例如45 1314080 度或60度’並㈣該躲器42及該轴承單元2之傳動而 t該治具3同步繞該軸線L旋轉㈣度，而使該工件轉至 ^位m件轉至定位後，再藉由一作動訊號使該煞車 早u之制動件51作動，並對該煞車件52提供該吸引力 使該旋轉面521與該固定面5ιι相頂抵，該彈性件^亦 3因車件Μ之拉動而產生變形，如此，即可使該治具 兮二軸411保持定位，亦即該治具3及該轉軸411不因 而產生偏轉。當欲使缸件旋轉另—角 =進订加工時，藉由另"作動訊號使該制動件51停止作 ^對㈣車件52提供之該吸引力因而消失，該與車件 =彈性件53之拉動而恢復至受該吸引力作用前之位置 ❹2再藉由另4位訊號使該驅動馬達41之轉軸川 =㈣L _另—角度以對社件進行角度定位。需說 。疋，號可由一 CNC加工機或一訊號產生器提供 由以上說明，可將本發明之優點歸納如下： 習兵& Ϊ由該驅動單元4之驅動馬達41的設置，相較於 H料作者轉動㈣手73 機或該訊號產生器控制而達到自動化之目的。 弓達車單元5之設置，在該料3受該驅動 馬相驅動而轉至定位時，藉由 動 及該煞車件52之旋轉面521相 之固疋面511 馬達Wn保持定位，亦=擦二，驅動 卩这/0具3不會因該工件 1314080 加工而產生偏轉而保持角度定位。 值得說明的是，該軸承單元2之第二面盤23、該 盤M，及該煞車單元5之塾塊56可整合成一構件，如此， 可減少部品數量，進而降低本發明之組裝時間。 再值得說㈣是，該固定單元1之固定座12為非必要 之構件’該驅動單元4之驅動馬達41是與該基板旧目 ，該煞車單元5之卿件51是設置於該㈣馬達4ι ,Thus, the fourth shaft device of the processing machine of the present invention comprises a fixing unit, a bearing unit, a jig, and a driving unit. The fixing unit includes a substrate. The bearing unit includes a hollow body disposed on the substrate. The tool is coupled to the bearing unit and rotatable about an axis relative to the body. The drive unit includes a drive motor coupled to the stationary unit for driving the fixture to rotate an angle about the axis. The above and other technical contents, features, and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments. Referring to Figures 2 and 3, a first preferred embodiment of the fourth shaft device of the processing machine of the present invention comprises a fixing unit i, a bearing unit 2, a jig 3, a driving unit 4 including a driving motor 41, The jig 3 is positioned to hold the brake unit 5 and a housing 6. The fixing unit 1 includes a mounting base 11 and a fixing base disposed between the bearing unit 2 and the driving motor 41. The bearing unit 2 includes a hollow disposed on the substrate u. The first face plate & connected to the jig 3 is disposed along an axis θ. The first face plate 22 is spaced apart from the first face plate 22 and is interposed between the face plates 22 and 23 and The spacer disk "22" is connected to the spacer disk "22", and the number of scrolls 25 is repeated. The body 21 has a first end portion 2n and a second end portion 212 disposed opposite to each other along the axis L direction, and a recess 214 recessed by an inner surface 213 of the body 21, the first and the second The two-sided discs 22, 23 are disposed at the second end portions m, 212, and the first-surface discs and the spacer discs 24 each have a rolling surface 221 that abuts against the rolling members 25, The second dial 23 has a stud 23 and the rolling elements 25 are disposed in the recess 214. In this embodiment, the rolling elements are in the shape of 2. The jig 3 is connected to the first face plate 22 of the bearing unit 2, and is rotatable relative to the body 21 about the minus L. It is worth noting that the jig 3 can be a chuck or a honeycomb plate. , collet, or thimble, in this implementation of the 'the jig 3 is cool. The driving unit 4 further includes a coupling 42 connected to the fixing base 12 of the fixing unit 1 for driving the jig 3 to rotate around the axis L by an angle, and the coupling 42 is worn. The driving motor 41 has a rotating shaft 411 opposite to the protruding portion 231 of the bearing unit 2, and the two ends of the coupling 42 are respectively associated with the rotating shaft 411 and the brake unit 411. The studs 231 are connected. It should be noted that the drive motor 41 may be a stepping motor, a indexable running motor, or a servo motor. In the embodiment, the drive motor 41 is a stepping motor. Referring to FIG. 4, the braking unit 5 includes a fixing member 12 disposed on the fixing base 12 of the fixing unit 1 and having a fixing surface 511 around the axis L, and a rotating surface opposite to the fixing surface 511. a brake member 52 of the 521, a resilient member 53 coupled to the bearing unit 2 and the brake member 52 and having a plurality of positioning holes 531 surrounding the axis L, and a plurality of the bearing unit 2 coupled to the bearing unit 2 and disposed on the brake a guiding member 54 of the member 52, a plurality of fixing members 55 connected to the elastic member 53 and connected to the braking member 52, a set of couplings 42 of the driving unit 4, and a disc with the bearing A 23-connected pad 56, and a car seat 57 for accommodating the brake member 51 and the pickup member μ'. The braking member 51 is configured to provide the attraction of the vehicle member 52 in a polarity, so that the rotating surface 521 is blood-damped to the fixed surface. It is worth noting that the attractive attraction of the polarity can be static. Or magnetic force, in this embodiment, the attraction of polarity is a magnetic force. The teaching member 52 has a plurality of guide holes 522' corresponding to a portion of the positioning holes 531 and a plurality of through holes 523 provided corresponding to the remaining positioning holes 531. The elastic member 53 is a leaf spring or a disc spring. In the embodiment, the elastic member 53 is a leaf spring. The elastic member 53 is a leaf spring or a disc spring. Each of the guide members 54 has a shaft portion 541 ′ that is disposed in the one of the positioning holes 531 and is connected to the spacer 56 and a surface 532 adjacent to the elastic member 53 adjacent to the brake member 52. Sigh with it - the head 542 of the guide hole 522. Each of the fixing members 55 has a shaft portion 551 which is disposed in the other of the positioning holes 531 and the through hole 523 and is connected to the braking member 52, and is opposite to the elastic member μ to the vehicle member 52. One of the surfaces 533 abuts the head 552. The double body 6 is configured to accommodate the driving unit 4 and the braking unit 5. Referring to FIGS. 3, 4, and 5 'when the pair is clamped on the jig 3 and is not shown in the processing drawing, the angular positioning of the jig 3 is performed, and the driving motor 41 is caused by a positioning signal. Rotating an angle about the axis L, for example, 45 1314080 degrees or 60 degrees ' and (4) the occluder 42 and the transmission of the bearing unit 2, and the jig 3 rotates synchronously about the axis L by four degrees to rotate the workpiece After the position is turned to the positioning position, the braking device 51 of the braking device is actuated by an actuation signal, and the attraction force is provided to the braking member 52 so that the rotating surface 521 and the fixing surface 5 are offset. The elastic member 3 is deformed by the pulling of the car member, so that the jig 411 can be positioned, that is, the jig 3 and the rotating shaft 411 are not deflected. When the cylinder member is to be rotated to rotate the other corner = the finishing process, the braking member 51 is stopped by the other action signal (4), and the attraction force provided by the vehicle member 52 is thus disappeared, and the vehicle member = elastic member The pull of 53 is restored to the position before the attraction action ❹2, and the rotation of the drive motor 41 is made by the other 4 bit signals = (4) L _ another angle to angularly position the social part. Need to say. The number can be provided by a CNC machine or a signal generator. The advantages of the present invention can be summarized as follows: The training of the motor 41 by the drive unit 4 is compared with the author of the H material. Rotate (four) hand 73 or the signal generator to achieve automation. The setting of the bowing cart unit 5, when the material 3 is driven by the driving horse phase and turned to the positioning, the motor Wn is maintained and positioned by the solid surface 511 of the rotating surface 521 of the braking member 52. Second, the drive 卩 this / 0 3 will not be deflected due to the machining of the workpiece 1314080 to maintain angular positioning. It should be noted that the second face plate 23 of the bearing unit 2, the disk M, and the block 56 of the brake unit 5 can be integrated into one member, so that the number of parts can be reduced, thereby reducing the assembly time of the present invention. It is worth mentioning that (4) is that the fixing base 12 of the fixing unit 1 is an unnecessary component. The driving motor 41 of the driving unit 4 is the same as the substrate, and the cleaning member 51 of the braking unit 5 is disposed on the (four) motor 4ι. ,
，同樣可使該治具3保持角度定位。 ;歸納上述’本發明藉由該驅動單元4之驅動馬達41的 «又置’除了可更迅速的進行角度定位而降低加 外，還可達到自動化之目的，另夕卜，由於該煞車單 汉置，利用該制動件51之固定面川及該煞車件52之旋轉 面521相頂抵之摩擦力，可使該料3保持角度定位，故 確實能達到發明之目的。The fixture 3 can also be positioned at an angle. According to the above-mentioned invention, the «reset" of the drive motor 41 of the drive unit 4 can be reduced in addition to the angular positioning of the drive unit 41, and the purpose of automation can be achieved, and, in addition, due to the brake By using the frictional force of the fixed surface of the brake member 51 and the rotating surface 521 of the brake member 52, the material 3 can be angularly positioned, so that the object of the invention can be achieved.
惟以上所述者，僅為本發 能以此限定本發明實施之範圍 範圍及發明說明内容所作之簡 屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 明之較佳實施例而已，當不 ，即大凡依本發明申請專利 單的等效變化與修鉤，皆仍 說明本發明之一 圖1是一側視示意圖 夾持一工件之情形； 圖2是一立體分解圖 組成元件； 說明現有-種沖子成形研磨器 車乂佳實施例的 圖3是一剖面示意圖 說明該較佳實施例各元件之連 10 131408ο 結關係； 圖4 B _ 未成一疋一側視示意圖，說明該較佳實施例之一煞車件 又圖f牛吸引時，一彈性件未變形之情形；及 圖5疋側視示意圖，說明該煞 心 ’該彈性件變形之情形。 Λ 早件受該制動件吸引時 1314080 【主要元件符號說明】However, it is to be understood that the scope of the invention and the scope of the invention are limited to the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS The preferred embodiment of the present invention, when not, that is, the equivalent change and the repair of the patent application according to the present invention, still illustrate one of the present invention. FIG. 1 is a side view of a workpiece. Figure 2 is an exploded perspective view of the components; Figure 3 is a schematic cross-sectional view showing a preferred embodiment of the preferred embodiment of the preferred embodiment of the connector 10; 4 B _ is not a side view of a side view, which illustrates a case where the brake member of the preferred embodiment is not deformed when the cow is attracted; and FIG. 5 is a side view showing the elasticity of the core The case of deformation. Λ When the early parts are attracted by the brakes 1314080 [Main component symbol description]
1 ..........固定單元 11 .........基板 12 .........固定座 2 ..........軸承單元 21………本體 211 .......第一端部 212 .......第二端部 213 .......内表面 214 .......凹槽 22 .........第一面盤 221 .......滾動面 23 .........第二面盤 231 .......凸柱 24 .........間隔盤 241 .......滾動面 25 .........滾動件 3 ..........治具 4 ..........驅動單元 41 .........驅動馬達 411 .......轉軸 42 .........連軸器 5 ..........煞車單元 51 .........制動件 511 .......固定面 52 .........煞車件 521 .......旋轉面 522 .......導引孔 523 .......穿孔 53 .........彈性件 531 .......定位孔 532 .......表面 533 .......表面 54 .........導引件 541 .......桿身段 542 .......頭部 55 .........固定件 551 .......桿身段 552 .......頭部 56 .........墊塊 57 .........煞車箱座 6 ..........殼體 L..........軸線 121 ..........fixed unit 11 ....substrate 12 .........fixed seat 2 ..... bearing unit 21 .... body 211 .... first end portion 212 .... second end portion 213 .... inner surface 214 . ........first face plate 221 ....... rolling surface 23 ......... second face plate 231 .... studs 24 ... ... spacer 241 ....... rolling surface 25 ......... rolling element 3 .......... fixture 4 ...... .... drive unit 41 .... drive motor 411 .... shaft 42 ... ... coupling 5 ......... . brake unit 51 ......... brake 511 .... fixed surface 52 ... ... brake parts 521 ... ... rotating surface 522 .. ..... guide hole 523 .... perforation 53 ......... elastic member 531 .... positioning hole 532 .... surface 533 . ... surface 54 ......... guide 541 ....... shaft section 542 ....... head 55 ......... Fixing member 551 ....... shaft section 552 ....... head 56 ......... cushion 57 ......... 煞 car seat 6 .. ........Shell L..........axis 12