M288839 八、新型說明： 【新型所屬之技術領域】 本創作係指-種氣動研磨絲機之偏心錢構改良，該偏心轴係 由軸座與配重塊藉鎖固元件所組成’可分別製造加工以節省中碳鋼材 料成本，且當轴座磨損時只須拆卸鎖固元件即可進行更換，不必將整 組偏心軸報廢，相對可降低使用者之花費。 【先前技術】 按，習用氣動研磨磨光機⑺(如圖—所示）之偏心軸(71)係包括 有下方之配重塊(711)以及配重塊(7⑴向上延伸之軸座（712)，而轴 座（712)之上方則具有轉軸（7121)，且轉軸（7121)之上方具有環形凹 槽(7122)，而轉軸(7121)之侧邊具有可供定位鍵(72)一側嵌入的鍵槽 (7123)，經查前偏心軸（71)存在如下缺失： 1·整個偏心軸（71)係由預定大小之中碳鋼材料先以車床加工然後再 以銑床等加工程序加工成形，因此前述製造加工相當耗費材料成 本。 2·偏心軸（71)之轉軸（7121)的鍵槽（7123)因長時間使用而磨損或者 其他部位損壞時必須將整個偏心軸（71)報廢而進行更換，因而造成 使用者較重之經濟負擔。 3·就製造廢商而言，必須生產不同尺寸例如3英吋、5英吋或6英吋 規格之偏心軸（71)以配合氣動研磨磨光機（7)之不同規格的拋光盤 (圖未示），相對製造成本亦提高。 本創作者乃有鑑於前述習用產品之缺失，經過不斷的研究與改 M288839 良，乃創作叹计一種氣動研磨磨光機之偏心轴結構改， 是以本創作之主要目的乃在於提供一種 ' 虱動研磨磨光機之偏 材料成本。 轴二構改良’其心軸之減與配魏可相•加工以節省中碳 :創作之次-目的乃在於提供一種氣動研磨磨光機之偏心軸結 構改良，就使用者而言，當偏心軸之軸座的_之鍵湘 損時观_固_卩可妨娜座，仰'= 換未損壞之配重塊姉可降低制者之花費。 員更 Τ創作之再一目的乃在於提供一種氣動研磨磨光機之偏心轴結 ^文良，讀造廠商的，不同規格例如㈣、5賴6英对規 =氣動研磨磨光機只須生產不同規格之配重塊即可配合單一規格 之軸座’相對降低成本並簡化零件之倉儲管理。 ^触之又-目的乃在於提供—種_研磨磨賴之偏心轴結 的套合軸與配重塊之定位縣合之同_可藉套合軸 n 緣抵罪在配重塊之環形定位端緣並藉鎖固元件旋鎖連 、、、α ’因此具有組驗構穩期及拆卸枝容易之優點。 【新型内容】 一種氣動研磨磨光機之偏心軸結構改良，其特徵在於： 该偏心姆由配重塊與軸鋪由翻元件所組合喊，其中： 5塊係側之框體具有定位槽，且定位槽係由上方之較小槽孔盘 ^錢大航所構成’並令雜小魏触大槽孔之咖成一環 端緣且„玄疋位槽之一側相鄰壁面設有一與前述較小槽孔連 M288839 通之定位螺孔； 該轴座^方具妹合軸，該套合_由下方讀大外徑部位與上 =之車又^外彳铸位所構成，並令該較大與較小外徑部位之間形成一 環形抵靠緣’且該較小外徑部位_邊並具有定位凹部； 當欲組合配重塊與軸座時，可將軸座由下往上藉其套合轴與配重 塊之定位合，且恰由套合軸之環職#緣抵靠在配重塊之環形定 位端緣，並可藉_元件顺鎖人配重塊之壁面的定位螺孔並緊迫轴 座之套合軸的較小外徑部位之側邊的定仙部内⑽該配重塊之轴 座旋鎖連結，又當前述之_树旋卸時即可拆卸該配重塊與轴座以 便於維修、保養或更換作業。 么么配合圖式詳加說明如后。 【實施方式】 如圖二〜圖六所示，本創作一種氣動研磨磨光機之偏心轴結構改 良，其中該氣動研磨磨光機（1)係包括有本體（11)、外蓋（12)、彈簧 扣（23)、固定銷（24)、培林(251)、下蓋(25)、轉子(26)、葉片（261)、 >飞缸（27)、〇型環（271)、上蓋（28)、培林(281)、〇型環（291)、馬 達固疋蓋（29)、偏心軸（3)、定位鍵(3〇)、培林(41)、彈簧扣（42)、 培林(43)、墊片（44)、彈黃扣（45)、键動軸(46)、拋光板⑸等構件 所組成，而其中偏心軸（3)係底部可供鎚動軸(46)之上方套入，而鎚 動軸(46)則具有内螺牙孔(461)(參考圖五、圖六）可供與拋光板(5)之 螺牙部（51)連接，當偏心軸(3)之轉轴(322)受傳動而轉動時即相對可 偏心帶動拋光板(5)旋轉； M288839 其特徵在於： 該偏心軸（3)係由配重塊(31)與轴座（32)藉由鎖固元件如螺絲（6) 所組合而成，其中： 该配重塊(31)係一侧之框體具有定位槽（311)，且定位槽（311)係由上 方之較小槽孔（3111)(參考圖三）與下方之較大槽孔（3112)所構 成，並令該較小槽孔(3111)與較大槽孔(3112)之間形成一環形定位 &緣(3110)，且该疋位槽（311)之一側相鄰壁面（312)設有一與前述 較小槽孔（3111)連通之定位螺孔(3121); 該軸座（32)，係下方具有套合軸(321)，該套合軸(321)係由下方之較 大外徑部位（3212)與上方之較小外徑部位（3211)所構成，並令該較 大與較小外徑部位（3212)(3211)之間形成一環形抵靠緣(321〇)，且 该較小外徑部位（3211)的侧邊並具有定位凹部（3213); 冨4人組合配重塊(31)與輛座（32)時，可將轴座（32)由下往上藉其 套合軸（321)與配重塊(31)之定位槽（311)套合，且恰由套合軸（321) 之環形抵靠緣(3210)抵靠在配重塊(31)之環形定位端緣(311〇)，並可 藉鎖固元件例如螺絲旋（6)鎖入配重塊（31)之壁面（312)的定位螺孔 (3121)並緊迫軸座（32)之套合轴（321)的較小外徑部位（32Π)之侧邊 的定位凹部（3213)内而將該配重塊(31)之軸座（32)旋鎖連結，又當前 述之鎖固元件螺絲（6)旋卸時即可拆卸該配重塊(31)與軸座（32)以便 於維修、保養或更換作業。 前述偏心軸(3)之軸座（32)的上方係具有轉軸(322)，該轉軸(322) 之接近上端部位具有一可被彈簧扣（23)扣合之環形凹槽（3221)，而轉 M288839 軸(322)之側邊具有可供定位鍵⑽之一側喪入的鍵槽(3222)，且轉 轴（322)之下方具有直徑略大之較大外徑部位⑶⑷以及與套合轴 (321)連接之環形浮凸面（3225)，另外該軸座(32)之套合軸⑽）的較 大外徑部位（3212)之部則具有—套合槽（3215)可供樞設培林(41)(43) 與墊片（44)，並供鍵動軸(46)之套合部(働）由下往上穿設再藉彈簧 扣（45)予以定位。 綜上所述，本創作可歸納具有下列增進功效·· 1·該偏心軸(3)之軸座（32)與配重塊(31)可分別製造加工以節省中碳 鋼材料成本。 2·就使用者Μ，當偏你⑶之齡(32)的雜(322)之鍵槽(3222) 因長期使用磨損時只須拆卸鎖固元件如螺絲（6)即可進行更換轴座 (32)，不但操作方便且因不須更換未損壞之配重塊(31)相對可降低 使用者之花費。 3·就製造廠商而言，不同規格之氣動研磨磨光機（1)只須生產不同規 格例如3英对、5英对或6英对規格之配重塊⑽即可配合單一規 格之軸座（32)，相對降低成本並簡化零件之倉儲管理。 4·軸座（32)的套合軸(321)與配重塊⑴之定位槽（3⑴套合之同時亦 可藉套合軸（321)之環形抵靠緣(3210)抵靠在配重塊(31)之環形定 位端緣(3110)並藉鎖固元件如螺絲（6)旋鎖連結，因此具有組裝結 構穩固以及拆卸方便容易之優點。 是以’本案創作乃確具其實用增進功效，乃謹以新型專利申請 之’懇凊鈞局貴審查委員予以詳查並賜准專利，至感德便。 M288839 惟，以上所述者僅為本創作之較佳實施例而已，當不能以之限定 本創作實狀麵，舉驗本_申料概圍鱗之解變化與修 飾皆應仍屬本創作涵蓋之專利範圍内。 【圖式簡單說明】 圖一係習用偏心軸與氣動研磨磨光機之立體分解圖。 圖二係習用偏心轴與氣動研磨磨光機之立體組合斷面放大圖。 圖二係本創作實施例偏心軸與氣動研磨磨光機之立體分解圖。 圖四係本創作實施例偏心轴與氣動研磨磨光機之立體組合放大圖。 圖五係本創作實施例偏心軸與氣動研磨磨光機之立體斷面放大圖。 圖六係本創作實施例其中偏心轴之軸座的立體分解放大圖。 【主要元件符號說明】 (1)氣動研磨磨光機（11)本體（12)外蓋（23)(42)(45)彈簧扣（24) 固定銷（25)下蓋（251)(281)(43)培林（26)轉子（261)葉片（27) 汽缸（271)(291)0型環（28)上蓋（29)馬達固定蓋（3)偏心軸（30) 定位鍵（31)配重塊（311)定位槽（3110)環形定位端緣（3111)較小 槽孔（3112)較大槽孔（312)壁面（3121)定位螺孔（32)轴座（321) 套合軸（3210)環形抵靠緣（3211)較小外徑部位（3212)(3224)較大 外徑部位（3213)定位凹部（3215)套合槽（322)轉轴（3221)環形凹 槽（3222)鍵槽（3225)環形浮凸面（44)墊片（46)鎚動轴（460)套 合部（461)内螺牙孔（5)拋光板（51)螺牙部（6)螺絲M288839 VIII. New description: [New technical field] This creation refers to the eccentric structure improvement of a pneumatic grinding machine. The eccentric shaft is composed of a shaft seat and a weight block by a locking component. Processing to save the cost of medium carbon steel materials, and when the shaft seat is worn, it only needs to disassemble the locking components to be replaced, and it is not necessary to scrap the entire set of eccentric shafts, which can reduce the user's cost. [Prior Art] According to the conventional eccentric grinding sander (7) (shown in the figure), the eccentric shaft (71) includes a lower weight (711) and a weight (7 (1) upwardly extending shaft seat (712). Above the shaft seat (712), there is a rotating shaft (7121), and the rotating shaft (7121) has an annular groove (7122) above it, and the side of the rotating shaft (7121) has a side for positioning the key (72). The embedded keyway (7123) has the following defects in the eccentric shaft (71) before inspection: 1. The entire eccentric shaft (71) is processed by a lathe in a predetermined size and then processed by a machining program such as a milling machine. Therefore, the above manufacturing process is quite costly. 2. The keyway (7123) of the shaft (711) of the eccentric shaft (71) must be worn out due to wear or damage to other parts due to prolonged use, and the entire eccentric shaft (71) must be scrapped and replaced. This results in a heavier economic burden for the user. 3. In terms of manufacturing waste, it is necessary to produce eccentric shafts (71) of different sizes such as 3 inches, 5 inches or 6 inches to match the pneumatic grinding and polishing machine ( 7) Different sizes of polishing discs (not shown) are relatively manufactured This creator has also improved the eccentric shaft structure of a pneumatic grinding and polishing machine due to the lack of the aforementioned products. After continuous research and modification of M288839, the main purpose of this creation is Provides a 'pitch material cost of the squeezing grinder. The shaft is improved.' The mandrel is reduced and the Wei can be phased. • Processed to save medium carbon: the second time of creation - the purpose is to provide a pneumatic grinding and polishing machine. The eccentric shaft structure is improved. As far as the user is concerned, when the eccentric shaft of the eccentric shaft is damaged, the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The cost of the staff is to provide an eccentric shaft of a pneumatic grinding and polishing machine. ^ Wenliang, read by the manufacturer, different specifications such as (four), 5 liters 6 inches against the standard = pneumatic grinding and polishing machine only It is necessary to produce different weights of the weights to match the single-size shaft seat' relative cost reduction and simplify the storage management of the parts. ^Touching again - the purpose is to provide a kind of _ grinding shaft for the eccentric shaft of the grinding shaft Combined with the positioning of the weights The same as the _ can be used to offset the axis n edge of the sin in the ring positioning edge of the weight and by the locking element, the lock, ,, α ', therefore has the advantages of group stability and easy to disassemble. [New content] An eccentric shaft structure improvement of a pneumatic grinding and polishing machine is characterized in that: the eccentricity is combined by a weighting block and a shaft paving by a turning element, wherein: the frame of the five-piece side has a positioning groove, and the positioning groove is It consists of the smaller slot plate above, which is made up of Qian Dahang, and makes the small Wei Wei touch the hole of the slot into a ring edge and the adjacent wall of one side of the Xuanyuan slot is provided with a smaller slot. Even the positioning screw hole of M288839; the shaft seat ^ square with the sister axis, the sleeve _ is read from the lower part of the outer diameter and the upper = the car and the outer casting position, and make the larger and the An annular abutting edge ' is formed between the small outer diameter portions and the smaller outer diameter portion has a positioning concave portion; when the weight and the shaft seat are to be combined, the shaft seat can be folded from the bottom to the top The positioning of the shaft and the weight block is combined, and the ring edge of the sleeve shaft is abutted against the annular positioning edge of the weight block, and can be borrowed _ The positioning screw hole of the wall of the lock weight matching block and the side of the smaller outer diameter portion of the sleeve shaft of the shaft seat is tightly fixed (10) the shaft seat of the weight block is screwed and connected, and the foregoing The weight and shaft seat can be removed when the tree is unloaded for maintenance, maintenance or replacement work. What is the details of the map together with the description. [Embodiment] As shown in Fig. 2 to Fig. 6, the eccentric shaft structure of a pneumatic grinding and polishing machine is improved. The pneumatic grinding and polishing machine (1) includes a body (11) and an outer cover (12). , spring buckle (23), fixing pin (24), Palin (251), lower cover (25), rotor (26), blade (261), > flying cylinder (27), 〇 ring (271), Upper cover (28), Palin (281), 〇 ring (291), motor fixed cover (29), eccentric shaft (3), positioning button (3〇), Palin (41), spring buckle (42) , Palin (43), gasket (44), yellow buckle (45), key shaft (46), polishing plate (5) and other components, and the eccentric shaft (3) is the bottom of the hammer shaft ( 46) is nested above, and the hammer shaft (46) has an internal screw hole (461) (refer to Fig. 5 and Fig. 6) for connection with the screw portion (51) of the polishing plate (5), when eccentric When the shaft (322) of the shaft (3) is rotated by the transmission, the polishing plate (5) is relatively eccentrically rotated; M288839 is characterized in that: the eccentric shaft (3) is composed of a weight (31) and a shaft seat ( 32) by a combination of locking elements such as screws (6), wherein: the weight (31) is a The frame has a positioning groove (311), and the positioning groove (311) is composed of a smaller slot (3111) above (refer to FIG. 3) and a larger slot (3112) below, and makes the smaller An annular positioning & edge (3110) is formed between the slot (3111) and the larger slot (3112), and one side adjacent wall surface (312) of the clamping slot (311) is provided with a smaller slot a positioning screw hole (3121) communicating with the hole (3111); the shaft seat (32) has a sleeve shaft (321) below, and the sleeve shaft (321) is separated by a larger outer diameter portion (3212) The upper outer diameter portion (3211) is formed, and an annular abutting edge (321〇) is formed between the larger and smaller outer diameter portions (3212) (3211), and the smaller outer diameter portion The side of (3211) has a positioning recess (3213); when the 冨4 person combines the weight (31) and the seat (32), the shaft seat (32) can be borrowed from the bottom up (321). ) is engaged with the positioning groove (311) of the weight (31), and just the annular abutting edge (3210) of the sleeve shaft (321) abuts against the annular positioning edge of the weight (31) (311) 〇), and can be locked into the weight by a locking element such as a screw (6) (31) Positioning the screw hole (3121) of the wall surface (312) and pressing the positioning weight (3213) of the side of the smaller outer diameter portion (32Π) of the sleeve shaft (321) of the shaft seat (32) to the weight portion (31) The shaft seat (32) is screw-locked, and the weight (31) and the shaft seat (32) can be removed when the aforementioned locking component screw (6) is unloaded for maintenance, maintenance or replacement. operation. The shaft seat (32) of the eccentric shaft (3) has a rotating shaft (322), and the upper end portion of the rotating shaft (322) has an annular groove (3221) that can be engaged by the spring buckle (23), and The side of the rotating shaft of the M288839 shaft (322) has a keyway (3222) for the side of the positioning key (10) to be slid into the side, and a large outer diameter portion (3) (4) having a slightly larger diameter below the rotating shaft (322) and the sleeve shaft (321) the connected annular embossed surface (3225), and the portion of the larger outer diameter portion (3212) of the sleeve shaft (10) of the shaft seat (32) has a grooving groove (3215) for pivoting Lin (41) (43) and the gasket (44), and the fitting portion (働) of the key shaft (46) is inserted from the bottom to the top and then positioned by the spring buckle (45). In summary, the creation can be summarized as having the following enhancements: 1. The axle seat (32) and the weight (31) of the eccentric shaft (3) can be separately manufactured to save the cost of the medium carbon steel material. 2. In the case of the user, when the keyway (3222) of the (32) age (32) is worn out, it is only necessary to remove the locking component such as the screw (6) to replace the shaft seat (32). ), not only is it easy to operate, but also reduces the cost of the user by not having to replace the undamaged weight (31). 3. As far as the manufacturer is concerned, the pneumatic grinding and polishing machine (1) of different specifications only needs to produce different weights (10), such as 3 inches, 5 inches or 6 inches, to match the single-size shaft seat. (32) Relatively reduce costs and simplify the management of parts storage. 4. The sleeve shaft (321) of the shaft seat (32) and the positioning groove (3 (1) of the weight block (1) can also be abutted against the weight by the annular abutment edge (3210) of the sleeve shaft (321). The annular positioning end edge (3110) of the block (31) is twisted and locked by a locking component such as a screw (6), so that the assembly structure is stable and the disassembly is convenient and easy. Therefore, the creation of the case has its practical improvement effect. In the case of the new patent application, the reviewer of the bureau has carefully examined and granted the patent to the sensibility. M288839 However, the above is only the preferred embodiment of this creation. The definition of the creation of the real face, the test of the _ application of the scales of the changes and modifications should still be within the scope of the patent covered by this creation. [Simplified schematic] Figure 1 is the use of eccentric shaft and pneumatic grinding The three-dimensional exploded view of the optical machine. Figure 2 is an enlarged view of the three-dimensional combined section of the eccentric shaft and the pneumatic grinding and polishing machine. Figure 2 is an exploded perspective view of the eccentric shaft and the pneumatic grinding and polishing machine of the present embodiment. The three-dimensional group of the eccentric shaft and the pneumatic grinding and polishing machine of the present embodiment Fig. 5 is a magnified cross-sectional view of the eccentric shaft and the pneumatic grinding and polishing machine of the present embodiment. Fig. 6 is a perspective exploded view of the eccentric shaft of the present embodiment. [Main component symbol description] (1) Pneumatic grinding and polishing machine (11) Body (12) Cover (23) (42) (45) Spring buckle (24) Fixing pin (25) Lower cover (251) (281) (43) Palin ( 26) Rotor (261) Blade (27) Cylinder (271) (291) 0-ring (28) Upper cover (29) Motor fixed cover (3) Eccentric shaft (30) Positioning key (31) Counterweight (311) positioning Slot (3110) annular positioning end edge (3111) smaller slot (3112) larger slot (312) wall (3121) positioning screw hole (32) shaft seat (321) sleeve shaft (3210) annular abutment (3211) Smaller outer diameter part (3212) (3224) larger outer diameter part (3213) positioning recess (3215) sleeve groove (322) shaft (3221) annular groove (3222) keyway (3225) annular float Convex (44) Gasket (46) Hammer Shaft (460) Nesting (461) Inner Screw Hole (5) Polishing Plate (51) Screw (6) Screw