TWI759182B

TWI759182B - Spindle structure

Info

Publication number: TWI759182B
Application number: TW110114460A
Authority: TW
Inventors: 許乃偉
Original assignee: 御成工業有限公司
Priority date: 2021-04-22
Filing date: 2021-04-22
Publication date: 2022-03-21
Also published as: TW202241611A

Abstract

本發明係關於一種主軸結構，其係包括：一本體係設有第一容槽；一轉動軸係樞設於該第一容槽內，該轉動軸係設有一第一套合部及一第二套合部；一第一蓋體係與該轉動軸相樞設，該第一蓋體係設有一第三套合部以供該第一套合部樞設，該第三套合部與該第一套合部之間係形成一迂迴路徑狀之第一間隙；一第二蓋體係設有一第四套合部以與該第二套合部相樞設，該第一套合部及該第二套合部係設於該第三套合部及該第四套合部之間，該第四套合部與該第二套合部之間係形成一第二間隙，該第二間隙係呈迂迴路徑狀，該第二間隙係連通該第一間隙。 The present invention relates to a main shaft structure, which comprises: a system is provided with a first accommodating groove; a rotating shaft is pivoted in the first accommodating groove, and the rotating shaft is provided with a first fitting part and a first accommodating part. Two fitting parts; a first cover system is pivoted with the rotating shaft, the first cover system is provided with a third fitting part for the first fitting part to be pivoted, and the third fitting part is connected with the first fitting part. A circuitous path-shaped first gap is formed between the fitting parts; a second cover system is provided with a fourth fitting part to be pivoted with the second fitting part, the first fitting part and the first fitting part are Two fitting parts are arranged between the third fitting part and the fourth fitting part, a second gap is formed between the fourth fitting part and the second fitting part, and the second gap is In the shape of a circuitous path, the second gap communicates with the first gap.

Description

主軸結構 Spindle structure

本發明係與一主軸結構有關，尤指一種主軸結構中，該轉動軸與該第一蓋體之間係設有該第一間隙，該轉動軸與該第二蓋體之間係設有該第二間隙，該第一間隙及該第二間隙係呈迂迴路徑狀，具有該第一間隙及該第二間隙，該液體或切削液由該第一間隙及該第二間隙之該二迂迴路徑進入該主軸結構內部而造成損壞之機率即大為減少，該二迂迴路徑係較為複雜。 The present invention relates to a main shaft structure, especially a main shaft structure in which the first gap is defined between the rotating shaft and the first cover body, and the first gap is defined between the rotating shaft and the second cover body The second gap, the first gap and the second gap are in the shape of a circuitous path, with the first gap and the second gap, and the liquid or cutting fluid passes through the two circuitous paths of the first gap and the second gap The probability of damage caused by entering the interior of the main shaft structure is greatly reduced, and the two circuitous paths are relatively complicated.

按吾人先前所知，習用之主軸結構，此亦為申請人所申請之專利案，台灣專利案號：107123297，證書號：I647035，專利名稱：主軸結構，該專利案結構係在於：一本體10，該本體10係組設於工具機上，該本體10係設有第一容槽11，該第一容槽11係呈穿孔狀；一轉動軸20，該轉動軸20係樞設於該第一容槽11處，該轉動軸20一端係設有第二容槽21，該轉動軸20係設有第一周面22及第一抵緣23；一第一蓋體30，該第一蓋體30係固設於該本體10之端部處，該第一蓋體30係設有第三容槽31，該第三容槽31係供該轉動軸20一端凸伸樞設，該第三容槽31往外周面係依序環設有第二抵緣32；一封設件50，該封設件50係設有第二周面51，該第二周面51係與該轉動軸20之該第一周面22相套設，使該封設件50係組設於該轉動軸20上而與該轉動軸20快速轉動，該封設件50係設有第一抵面52，該第一抵面 52係與該第一抵緣23及該第二抵緣32相對正，或該第一抵面52係與該轉動軸20之該第一抵緣23及該第一蓋體30之該第二抵緣32相靠抵，該封設件50之端面處係設有第一端面57；至少一第二蓋體70，該第二蓋體70係固設於該轉動軸20之端部處，該封設件50及該第二蓋體70係結合於該轉動軸20上而與該轉動軸20快速轉動，該第二蓋體70係設有第四抵面71，該第四抵面71係與該封設件50之該第一端面57相對正，亦即該封設件50即組設於該轉動軸20之該第一抵緣23及該第四抵面71間，使該封設件50係受該第二蓋體70限制而無法與該轉動軸20相互脫開。 According to our previous knowledge, the conventional main shaft structure is also the patent case applied by the applicant, Taiwan patent case number: 107123297, certificate number: I647035, patent name: main shaft structure, the patent case structure is: a main body 10 , the main body 10 is assembled on the machine tool, the main body 10 is provided with a first accommodating groove 11, the first accommodating groove 11 is in the shape of a hole; a rotating shaft 20, the rotating shaft 20 is pivoted on the first accommodating groove 11 At an accommodating groove 11, one end of the rotating shaft 20 is provided with a second accommodating groove 21, the rotating shaft 20 is provided with a first peripheral surface 22 and a first abutting edge 23; a first cover 30, the first cover The body 30 is fixed at the end of the body 10, the first cover 30 is provided with a third accommodating groove 31, and the third accommodating groove 31 is used for one end of the rotating shaft 20 to protrude and pivot. A second abutting edge 32 is sequentially provided on the outer peripheral surface of the accommodating groove 31 ; a sealing member 50 is provided with a second peripheral surface 51 which is connected to the rotating shaft 20 . The first peripheral surface 22 is sleeved together, so that the sealing member 50 is assembled on the rotating shaft 20 and rotates rapidly with the rotating shaft 20. The sealing member 50 is provided with a first contact surface 52, the first touch 52 is opposite to the first abutting edge 23 and the second abutting edge 32 , or the first abutting surface 52 is opposite to the first abutting edge 23 of the rotating shaft 20 and the second abutting edge 23 of the first cover 30 The abutting edge 32 abuts against each other, and the end face of the sealing member 50 is provided with a first end face 57 ; at least one second cover body 70 is fixed at the end of the rotating shaft 20 , The sealing member 50 and the second cover 70 are coupled to the rotating shaft 20 to rotate rapidly with the rotating shaft 20 . The second cover 70 is provided with a fourth abutting surface 71 , and the fourth abutting surface 71 It is opposite to the first end surface 57 of the sealing member 50, that is, the sealing member 50 is assembled between the first abutting edge 23 and the fourth abutting surface 71 of the rotating shaft 20, so that the sealing member 50 is assembled between the first abutting edge 23 of the rotating shaft 20 and the fourth abutting surface 71 The device 50 is restricted by the second cover 70 and cannot be disengaged from the rotating shaft 20 .

但此習用主軸結構之缺失係在於： But what is missing from this conventional spindle structure is:

請輔以公報之第九圖所示，該第一蓋體30與該封設件50之間之間隙係呈迂迴路徑狀，但僅為該第一蓋體30與該封設件50二個元件之間所形成之該迂迴路徑係較為單調，容易使各切削液或冷卻液進入該主軸結構內部而造成損壞。 As shown in the ninth figure of the publication, the gap between the first cover 30 and the sealing member 50 is in the shape of a circuitous path, but there are only two of the first cover 30 and the sealing member 50 The circuitous path formed between the components is relatively monotonous, and it is easy for each cutting fluid or cooling fluid to enter the interior of the spindle structure and cause damage.

有鑑於上述習用結構之缺失，本發明人藉多年從事相關行業之製造、生產及設計經驗，終於有一能解決習用弊端之主軸結構之產品問世。 In view of the above-mentioned deficiency of the conventional structure, the inventor of the present invention has finally developed a product with a main shaft structure that can solve the drawbacks of the conventional structure with years of experience in manufacturing, production and design in related industries.

習用主軸結構中，該第一蓋體與該封設件之間之間隙係呈迂迴路徑狀，但僅為該第一蓋體與該封設件二個元件之間所形成之該迂迴路徑係較為單調。本發明之主軸結構中，該轉動軸與該第一蓋體之間係設有該第一間隙，該轉動軸與該第二蓋體之間係設有該第二間隙，該第一間隙及該第二間隙係呈迂迴路徑狀，具有該第一間隙及該第二間隙，該液體或切削液由該第一間隙及該第二間隙之該二迂迴路徑進入該主軸結構內部而造成損壞之機率即大為減少，該二迂迴路徑係較為複雜。 In the conventional main shaft structure, the gap between the first cover body and the sealing member is in the shape of a circuitous path, but only the circuitous path formed between the two elements of the first cover body and the sealing member more monotonous. In the main shaft structure of the present invention, the first gap is defined between the rotating shaft and the first cover body, the second gap is defined between the rotating shaft and the second cover body, the first gap and The second gap is in the shape of a circuitous path, and has the first gap and In the second gap, the liquid or cutting fluid enters the main shaft structure through the two circuitous paths of the first clearance and the second clearance, and the probability of damage is greatly reduced, and the two circuitous paths are complicated.

該轉動軸與該第一蓋體之間係設有該第一間隙，該轉動軸與該第二蓋體之間係設有該第二間隙，該第一間隙及該第二間隙係呈迂迴路徑狀，具有該第一間隙及該第二間隙，該液體或切削液由該第一間隙及該第二間隙之該二迂迴路徑進入該主軸結構內部而造成損壞之機率即大為減少。該第一套合部及該第二套合部係設於該第三套合部及該第四套合部之間、該第一間隙及該第二間隙係設有至少有二個彎曲處。 The first gap is defined between the rotating shaft and the first cover body, the second gap is defined between the rotating shaft and the second cover body, and the first gap and the second gap are circuitous Path-shaped, with the first gap and the second gap, the probability of the liquid or cutting fluid entering the interior of the spindle structure through the two circuitous paths of the first gap and the second gap is greatly reduced. The first fitting portion and the second fitting portion are located between the third fitting portion and the fourth fitting portion, and the first gap and the second gap are provided with at least two bends .

為使鈞局委員及熟習此項技藝人士對本發明之功效完全瞭解，茲配合圖式及圖號就本發明之結構、組成說明於後，惟以下所述者僅為用來解釋本發明之實施例，並非企圖據以對本發明做任何形式上之限制，是以凡是在本發明之精神下，所作的任何修飾變更皆仍應屬於本發明之保護範圍。 In order to make the committee members and those skilled in the art fully understand the effect of the present invention, the structure and composition of the present invention are explained in the following in conjunction with the drawings and drawing numbers, but the following descriptions are only used to explain the implementation of the present invention example, it is not intended to limit the present invention in any form. Therefore, any modification made under the spirit of the present invention should still belong to the protection scope of the present invention.

10:本體 10: Ontology

11:第一容槽 11: The first tank

20:轉動軸 20: Rotation shaft

21:第一套合部 21: The first set of joints

211:第一周面 211: First week face

212:第一環凹槽 212: first ring groove

213:第一環凸肋 213: The first ring rib

214:第一角端 214: First corner end

215:第二周面 215: Second week face

2151:第一容置槽 2151: The first accommodating slot

2152:第二容置槽 2152: The second accommodating slot

216:第二環凹槽 216: Second ring groove

217:第二環凸肋 217: Second ring rib

22:第二套合部 22: The second set of joints

221:第三周面 221: Third week face

2211:第三容置槽 2211: The third accommodating slot

222:第四容置槽 222: Fourth accommodating slot

223:第三環凸肋 223: The third ring rib

224:第三環凹槽 224: Third Ring Groove

30:第一蓋體 30: The first cover

31:第三套合部 31: The third set of fittings

311:第四周面 311: Fourth week face

312:第四環凸肋 312: Fourth ring rib

313:第四環凹槽 313: Fourth Ring Groove

314:第二角端 314: Second corner end

315:第五周面 315: Fifth week face

316:第五環凸肋 316: Fifth ring rib

3161:第五容置槽 3161: Fifth receiving slot

317:第一端面 317: First end face

40:第二蓋體 40: Second cover

41:第四套合部 41: The fourth set of assembly

411:第六周面 411: Sixth week face

412:第七周面 412: Seventh week face

413:第五環凹槽 413: Fifth ring groove

414:第六環凸肋 414: Sixth ring rib

415:氣孔 415: Stomata

51:第一間隙 51: First gap

52:第二間隙 52: Second gap

圖1、係本發明主軸結構之立體分解圖。 Figure 1 is an exploded perspective view of the main shaft structure of the present invention.

圖2、係本發明主軸結構轉動軸之側視圖。 Fig. 2 is a side view of the rotating shaft of the main shaft structure of the present invention.

圖3、係本發明圖2之A-A處之剖視圖。 Fig. 3 is a cross-sectional view at A-A of Fig. 2 of the present invention.

圖4、係本發明主軸結構第一蓋體之側視圖。 Fig. 4 is a side view of the first cover body of the main shaft structure of the present invention.

圖5、係本發明圖4之B-B處之剖視圖。 FIG. 5 is a cross-sectional view of the present invention at B-B of FIG. 4 .

圖6、係本發明主軸結構第二蓋體之側視圖。 Figure 6 is a side view of the second cover body of the main shaft structure of the present invention.

圖7、係本發明圖6之C-C處之剖視圖。 FIG. 7 is a cross-sectional view of the present invention at C-C of FIG. 6 .

圖8、係本發明主軸結構之立體組合圖。 Fig. 8 is a three-dimensional combined view of the main shaft structure of the present invention.

圖9、係本發明主軸結構之側視圖。 Figure 9 is a side view of the main shaft structure of the present invention.

圖10、係本發明圖9之B-B處之剖視圖。 FIG. 10 is a cross-sectional view of the present invention at B-B of FIG. 9 .

圖11、係本發明圖10之D處之放大圖。 Fig. 11 is an enlarged view of D of Fig. 10 of the present invention.

圖12、係本發明第二實施例之剖視圖。 FIG. 12 is a cross-sectional view of the second embodiment of the present invention.

圖13、係本發明第三實施例之剖視圖。 FIG. 13 is a cross-sectional view of the third embodiment of the present invention.

首先請參閱圖1至圖11所示，圖1係本發明主軸結構之立體分解圖，圖2係本發明主軸結構轉動軸20之側視圖，圖3係本發明圖2之A-A處之剖視圖，圖4係本發明主軸結構第一蓋體30之側視圖，圖5係本發明圖4之B-B處之剖視圖，圖6係本發明主軸結構第二蓋體40之側視圖，圖7係本發明圖6之C-C處之剖視圖，本發明係關於一種主軸結構，其係包括： First, please refer to FIG. 1 to FIG. 11 , FIG. 1 is an exploded perspective view of the main shaft structure of the present invention, FIG. 2 is a side view of the rotating shaft 20 of the main shaft structure of the present invention, and FIG. 3 is the position A-A of FIG. 2 of the present invention Fig. 4 is a side view of the first cover body 30 of the spindle structure of the present invention, Fig. 5 is a cross-sectional view of the B-B position of Fig. 4 of the present invention, Fig. 6 is a side view of the second cover body 40 of the spindle structure of the present invention, and Fig. 7 It is a cross-sectional view at C-C of FIG. 6 of the present invention. The present invention relates to a main shaft structure, which includes:

一本體10，該本體10係組設於各式工具機或各式加工母機上，該本體10內係設有第一容槽11，該第一容槽11係貫穿該本體10，該第一容槽11係呈圓槽狀； A main body 10, the main body 10 is assembled on various types of machine tools or various processing master machines, the main body 10 is provided with a first accommodating groove 11, the first accommodating groove 11 runs through the main body 10, the first accommodating groove 11 The accommodating groove 11 is in the shape of a circular groove;

一轉動軸20，請輔以圖2及圖3所示，該轉動軸20係樞設於該第一容槽11內，該轉動軸20係呈快速轉動狀，該轉動軸20與該第一容槽11之間係設有至少一組軸承件，該轉動軸20一端係供各式刀具相組設，該轉動軸20係設有一第一套合部21及一第二套合部22，該第一套合部21及該第二套合部22係凸露於該本體10之外； A rotating shaft 20, as shown in FIG. 2 and FIG. 3, is pivoted in the first accommodating groove 11, the rotating shaft 20 is in a fast rotating shape, and the rotating shaft 20 is connected to the first accommodating groove 11. At least one set of bearing parts is arranged between the accommodating grooves 11. One end of the rotating shaft 20 is used for assembling various cutters. The rotating shaft 20 is provided with a first fitting portion 21 and a second fitting portion 22. The first fitting portion 21 and the second fitting portion 22 are protruded outside the main body 10;

該第一套合部21係依序設有一第一周面211、一第一環凹槽212、一第一環凸肋213、一第一角端214、一第二周面215、一第二環凹槽216及一第二環凸肋217，該第一周面211係具有一外直徑，該第一環凹槽212係呈凹圓環槽狀，該第一環凸肋213係呈凸圓環體狀，該第一環凹槽212及該第一環凸肋213與該第一周面211之間係呈相垂直狀或接近90度狀，該第一環凹槽212及該第一環凸肋213係朝向該本體10，該第一角端214係呈彎角狀、直角狀、倒斜角狀或倒圓角狀，該第二周面215之直徑係大於該第一周面211之直徑，該第二周面215之兩側係設有一第一容置槽2151及一第二容置槽2152，該第一容置槽2151與該第二容置槽2152具有較大空間以緩衝容置各液體，該液體係可為切削液或冷卻液等，該第一容置槽2151及該第二容置槽2152係呈凹圓環槽狀，該第二環凹槽216係呈凹圓環槽狀，該第二環凸肋217係呈凸圓環體狀，該第二環凹槽216及該第二環凸肋217與該第二周面215之間係呈相垂直狀或接近90度狀，該第二環凹槽216及該第二環凸肋217係朝向該本體10，該第二環凹槽216之端面係與該第一環凹槽212之端面係呈相平狀，該第二環凸肋217之端面係與該第一環凸肋213之端面係呈相平行狀； The first fitting portion 21 is sequentially provided with a first peripheral surface 211 , a first annular groove 212 , a first annular convex rib 213 , a first corner end 214 , a second peripheral surface 215 , and a first annular groove 212 . Two annular grooves 216 and a second annular convex rib 217, the first peripheral surface 211 has an outer diameter, the first annular groove 212 is in the shape of a concave annular groove, and the first annular convex rib 213 is in the shape of a concave annular groove. The first annular groove 212 and the first annular convex rib 213 and the first circumferential surface 211 are perpendicular or close to 90 degrees. The first annular groove 212 and the first annular groove 212 and the The first annular rib 213 faces the body 10 , the first corner end 214 is curved, right-angled, chamfered or rounded, and the diameter of the second peripheral surface 215 is larger than that of the first The diameter of the peripheral surface 211, the two sides of the second peripheral surface 215 are provided with a first accommodating groove 2151 and a second accommodating groove 2152, the first accommodating groove 2151 and the second accommodating groove 2152 are relatively There is a large space for buffering and accommodating various liquids. The liquid system can be cutting fluid or cooling fluid. The first accommodating groove 2151 and the second accommodating groove 2152 are concave annular grooves. The second annular groove 216 is in the shape of a concave ring groove, the second ring The convex rib 217 is in the shape of a convex ring, the second annular groove 216 and the second annular convex rib 217 and the second circumferential surface 215 are perpendicular or close to 90 degrees. The groove 216 and the second annular rib 217 face the body 10 , the end surface of the second annular groove 216 and the end surface of the first annular groove 212 are flat, and the second annular rib 217 The end face is parallel to the end face of the first annular rib 213;

該第二套合部22係依序設有一第三周面221、一第四容置槽222、一第三環凸肋223及一第三環凹槽224，該第三周面221具有最大之外直徑，該第三周面221之外直徑係大於該第一周面211之外直徑，該第三周面221之直徑係大於該第二周面215之直徑，該第三周面221係設有二第三容置槽2211，該第三容置槽2211具有較大空間以緩衝容置該液體，該第三容置槽2211之剖面係略呈三角形槽狀或各槽狀，該第四容置槽222係設於該第三周面221範圍內，該第四容置槽222係具有較大空間以緩衝容置該液體，該第四容置槽222係設於該二第三容置槽2211之間，該第四容槽222係呈凹圓環槽狀，該第三環凸肋223係呈凸圓環體狀，該第三環凹槽224係呈凹圓環槽狀，該第三環凸肋223及該第三環凹槽224與該第三周面221之間係呈相垂直狀或接近90度狀，該第三環凸肋223與該第三環凹槽224係不對向該本體10； The second fitting portion 22 is sequentially provided with a third peripheral surface 221 , a fourth accommodating groove 222 , a third annular rib 223 and a third annular groove 224 , and the third peripheral surface 221 has the largest Outer diameter, the outer diameter of the third peripheral surface 221 is larger than the outer diameter of the first peripheral surface 211 , the diameter of the third peripheral surface 221 is larger than the diameter of the second peripheral surface 215 , the third peripheral surface 221 There are two third accommodating grooves 2211. The third accommodating groove 2211 has a large space to buffer and accommodate the liquid. The fourth accommodating groove 222 is disposed within the range of the third peripheral surface 221 , the fourth accommodating groove 222 has a larger space to buffer and accommodate the liquid, and the fourth accommodating groove 222 is disposed in the second second accommodating groove 222 . Between the three accommodating grooves 2211, the fourth accommodating groove 222 is in the shape of a concave annular groove, the third annular convex rib 223 is in the shape of a convex annular body, and the third annular groove 224 is in the shape of a concave annular groove The third annular convex rib 223 and the third annular groove 224 and the third circumferential surface 221 are perpendicular or close to 90 degrees, the third annular convex rib 223 and the third annular concave The groove 224 is not facing the body 10;

一第一蓋體30，請輔以圖4及圖5所示，該第一蓋體30係組設於該本體10之端部，該第一蓋體30係與該轉動軸20相樞設，該第一蓋體30係設有一第三套合部31，該第三套合部31係供該第一套合部21樞設，該第三套合部31與該第一套合部21之間係形成一第一間隙51，該第一間隙51係為迂迴路徑狀，該第三套合部31之剖面係與該第一套合部21之剖面相配合，該第三套合部31係貫穿該第一蓋體30，該第三套合部31係呈圓槽狀，該第一套合部31係依序設有一第四周面311、一第四環凸肋312、一第四環凹槽313、一第二角端314、一第五周面315、一第五環凸肋316及該第一端面217； A first cover 30 , as shown in FIG. 4 and FIG. 5 , is assembled on the end of the main body 10 , and is pivoted with the rotating shaft 20 . , the first cover body 30 is provided with a third sleeve part 31, the third sleeve part 31 is for the first sleeve part 21 to be pivoted, the third sleeve part 31 and the first sleeve part A first gap 51 is formed between 21 , the first gap 51 is in the shape of a circuitous path, and the cross-section of the third sleeve portion 31 is matched with the cross-section of the first sleeve portion 21 The third engaging portion 31 penetrates through the first cover 30, the third engaging portion 31 is in the shape of a circular groove, and the first engaging portion 31 is sequentially provided with a fourth peripheral surface 311, a a fourth annular rib 312, a fourth annular groove 313, a second corner end 314, a fifth peripheral surface 315, a fifth annular rib 316 and the first end surface 217;

該第四周面311係與該第一周面211相樞設，該第四環凸肋312係容設於該第一環凹槽212內，該第四環凸肋312係呈凸圓環體狀，該第四環凹槽313係供該第一環凸肋213相容設，該第四環凹槽313係呈凹圓環槽狀，該第二角端314係對正該第一角端214，該第二角端314係呈直角狀，該第五周面31係與該第二周面215相樞設，該第五環凸肋316係容設於該第二環凹槽216內，該第五環凸肋316係呈凸圓環體狀，該第一端面317係與該第二環凸肋217相對正，該第一端面317係呈平面狀，該第一端面317該第五環凸肋316之間係具有較大空間係可供暫存該切削液或冷卻液等，該第五環凸肋316與該第一端面317之間係設有一第五容置槽3161，該第五容置槽3161係呈凹圓環槽狀，該第五容置槽3161係具較大空間可供暫存該切削液或冷卻液等； The fourth circumferential surface 311 is pivoted to the first circumferential surface 211 , the fourth annular rib 312 is accommodated in the first annular groove 212 , and the fourth annular rib 312 is a convex ring The fourth ring groove 313 is compatible with the first ring convex rib 213, the fourth ring groove 313 is in the shape of a concave annular groove, and the second corner end 314 is aligned with the first ring groove 313. The corner end 214, the second corner end 314 is a right angle, the fifth peripheral surface 31 is pivoted with the second peripheral surface 215, the fifth ring rib 316 is accommodated in the second ring groove 216, the fifth annular rib 316 is in the shape of a convex ring, the first end surface 317 is opposite to the second annular rib 217, the first end surface 317 is flat, the first end surface 317 There is a large space between the fifth annular rib 316 for temporarily storing the cutting fluid or coolant, etc. A fifth accommodating groove is defined between the fifth annular rib 316 and the first end surface 317 3161, the fifth accommodating groove 3161 is in the shape of a concave annular groove, and the fifth accommodating groove 3161 has a larger space for temporarily storing the cutting fluid or coolant;

一第二蓋體40，請輔以圖6及圖7所示，該第二蓋體40係組設於該本體10上，該第二蓋體40係設於該第一蓋體30端部處，該第一蓋體30係設於該本體10及該第二蓋體40之間，該第二蓋體40係設有一第四套合部41，該第四套合部41係與該第二套合部22相樞設，該第一套合部21及該第二套合部22係設於該第三套合部31及該第四套合部41之間，該第四套合部41與該第二套合部22之間係形成一第二間隙52，該第二間隙52係呈迂迴路徑狀或L形迂迴路徑狀，該第二間隙52係連通該第一間隙51，該第四套合部 41之剖面係與該第二套合部22之剖面相配合，該第四套合部41係貫穿該第二蓋體40，該第四套合部41係呈凹圓槽狀，該第四套合部41係設有一第六周面411、一第七周面412、一第五環凹槽413、一第六環凸肋414及一氣孔415； A second cover 40 , as shown in FIGS. 6 and 7 , the second cover 40 is assembled on the main body 10 , and the second cover 40 is arranged on the end of the first cover 30 , the first cover 30 is disposed between the main body 10 and the second cover 40 , the second cover 40 is provided with a fourth engaging portion 41 , and the fourth engaging portion 41 is connected to the second cover 40 . The second fitting portion 22 is pivoted to each other, the first fitting portion 21 and the second fitting portion 22 are arranged between the third fitting portion 31 and the fourth fitting portion 41 , the fourth fitting portion A second gap 52 is formed between the coupling portion 41 and the second sleeve portion 22 , the second gap 52 is in the shape of a circuitous path or an L-shaped circuitous path, and the second gap 52 communicates with the first gap 51 , the fourth set of The cross-section of 41 is matched with the cross-section of the second fitting portion 22. The fourth fitting portion 41 penetrates through the second cover 40. The fourth fitting portion 41 is in the shape of a concave circular groove. The sleeve portion 41 is provided with a sixth peripheral surface 411 , a seventh peripheral surface 412 , a fifth ring groove 413 , a sixth ring rib 414 and an air hole 415 ;

該第六周面411係與該第三周面221相樞設，該第七周面412之內徑係大於該第六周面411之內徑，該第七周面412係與該第四容置槽222相對正，該第七周面412與該第四容置槽222之間具有較大空間係可供暫存該切削液或冷卻液等，該第五環凹槽413係供該第三環凸肋223容置，該第五環凹槽413係呈凹圓環體狀，該第六環凸肋414係容設於該第三環凹槽224內，該氣孔415係對正於該第七周面412，該第二間隙52內之該液體或氣體係可由該氣孔415處排出該主軸結構，該氣孔415與該第四套合部41係呈相通狀，該氣孔415係呈穿孔狀，該氣孔415之軸心係與該第四套合部41之軸心相垂直。 The sixth peripheral surface 411 is pivotally arranged with the third peripheral surface 221 , the inner diameter of the seventh peripheral surface 412 is larger than the inner diameter of the sixth peripheral surface 411 , and the seventh peripheral surface 412 is connected to the fourth peripheral surface 412 . The accommodating groove 222 is relatively straight, there is a large space between the seventh peripheral surface 412 and the fourth accommodating groove 222 for temporarily storing the cutting fluid or coolant, etc. The fifth ring groove 413 is for the The third annular rib 223 is accommodated, the fifth annular groove 413 is in the shape of a concave ring, the sixth annular rib 414 is accommodated in the third annular groove 224, and the air hole 415 is aligned On the seventh peripheral surface 412 , the liquid or gas system in the second gap 52 can be discharged from the main shaft structure through the air hole 415 . The air hole 415 and the fourth fitting portion 41 are in communication. In a perforated shape, the axis of the air hole 415 is perpendicular to the axis of the fourth sleeve 41 .

請參閱圖8至圖11所示，圖8係本發明主軸結構之立體組合圖，圖9係本發明主軸結構之側視圖，圖10係本發明圖9之B-B處之剖視圖，圖11係本發明圖10之D處之放大圖，該第一蓋體30及該第二蓋體40係與該本體10相組設，該第二蓋體40係與該第一蓋體30相組設，該轉動軸20係樞設於該第一容槽11、該第三套合部31及該第四套合部41內，該第一套合部21與該第三套合部31之間係設有該第一間隙51，該第二套合部22與該第四套合部41之間係設有該第二間隙52，該第一間隙51與該第二間隙52係呈迂迴路徑狀，該第一間隙51與該第二間隙52係使該液體進入該本體10內之機率即大為減少，該第二間隙52內之該液體或氣體係可由該氣孔415排出該主軸結構外。 Please refer to FIG. 8 to FIG. 11 , FIG. 8 is a three-dimensional combined view of the main shaft structure of the present invention, FIG. 9 is a side view of the main shaft structure of the present invention, FIG. 10 is a cross-sectional view at B-B of FIG. In the enlarged view of D of FIG. 10 , the first cover 30 and the second cover 40 are assembled with the main body 10 , the second cover 40 is assembled with the first cover 30 , The rotating shaft 20 is pivoted in the first accommodating groove 11 , the third fitting portion 31 and the fourth fitting portion 41 , and the first fitting portion 21 and the third fitting portion 31 are connected between the first fitting portion 21 and the third fitting portion 31 The first gap 51 is provided, and the second gap 52 is defined between the second sleeve portion 22 and the fourth sleeve portion 41 , and the first gap 51 and the second gap 52 are in the shape of a circuitous path. , the first gap 51 and the second gap 52 greatly reduce the probability of the liquid entering the body 10 , and the liquid or gas system in the second gap 52 can be discharged from the main shaft through the air hole 415 outside the structure.

請繼續參閱圖12及圖13所示，圖12係本發明第二實施例之剖視圖，圖13係本發明第三實施例之剖視圖，請輔以圖10比較之，該傳動軸20後部係組設不同之一傳動組件，該傳動組件係傳動該轉動軸20快速轉動。 Please continue to refer to FIG. 12 and FIG. 13 . FIG. 12 is a cross-sectional view of the second embodiment of the present invention, and FIG. 13 is a cross-sectional view of the third embodiment of the present invention. A different transmission assembly is provided, and the transmission assembly drives the rotating shaft 20 to rotate rapidly.

本發明主軸結構之優點係在於： The advantages of the main shaft structure of the present invention lie in:

1、該轉動軸20與該第一蓋體30之間係設有該第一間隙51，該轉動軸20與該第二蓋體40之間係設有該第二間隙52，該第一間隙51及該第二間隙52係呈迂迴路徑狀，具有該第一間隙51及該第二間隙52，該液體由該第一間隙51及該第二間隙52之該二迂迴路徑進入該主軸結構內部而造成損壞之機率即大為減少。 1. The first gap 51 is defined between the rotating shaft 20 and the first cover 30, and the second gap 52 is defined between the rotating shaft 20 and the second cover 40. The first gap 51 and the second gap 52 are in the shape of a circuitous path, with the first clearance 51 and the second clearance 52, the liquid enters the interior of the main shaft structure from the two circuitous paths of the first clearance 51 and the second clearance 52 The chance of causing damage is greatly reduced.

2、該第一套合部21及該第二套合部22係設於該第三套合部31及該第四套合部41之間、因此該第一間隙51及該第二間隙52係設有至少有二個彎曲處。 2. The first fitting portion 21 and the second fitting portion 22 are located between the third fitting portion 31 and the fourth fitting portion 41 , so the first gap 51 and the second gap 52 The system has at least two bends.

3、該轉動軸20與該第一蓋體30之間係有樞設結構，該轉動軸20與該第二蓋體40之間係有樞設結構，該第一蓋體30與該第二蓋體40之間係有相對正，該轉動軸20、該第一蓋體30與該第二蓋體40之間均有結構關係，即具較佳之組設結構。 3. A pivot structure is tied between the rotating shaft 20 and the first cover 30 , and a pivot structure is tied between the rotating shaft 20 and the second cover 40 , the first cover 30 and the second cover 40 are connected The cover bodies 40 are relatively positive, and the rotating shaft 20 , the first cover body 30 and the second cover body 40 have a structural relationship, that is, they have a better assembly structure.

4、請輔以圖11所示，該第一環凹槽212、該第一環凸肋213、該第二環凹槽216、該第二環凸肋217、該第三環凸肋223、該第三環凹槽224、該第四環凸肋312、該第四環凹槽313、該五環凸肋316、該該第五環凹槽413及該第六環凸肋414亦即係具有多處彎折處，該切削液進入該主軸結構內部即增加困難度。 4. As shown in FIG. 11, the first ring groove 212, the first ring rib 213, the second ring groove 216, the second ring rib 217, the third ring rib 223, The third ring groove 224, the fourth ring rib 312, the fourth ring groove 313, the fifth ring rib 316, the fifth ring groove 413 and the sixth ring rib 414 are With multiple bends, it is more difficult for the cutting fluid to enter the interior of the spindle structure.

5、請輔以圖11所示，該第七周面412與該第四容置槽222之間、該第三容置槽2211、該第一端面317該第二環凸肋217之間、該第五容置槽3161及該第二容置槽2152係為一容納空間可供暫存由外部進入之該液體或該切削液或可減緩其進入之速度，該液體或該切削液進入該主軸結構內部即增加困難度。 5. As shown in FIG. 11, between the seventh circumferential surface 412 and the fourth accommodating groove 222, the third The accommodating groove 2211, between the first end face 317 and the second annular rib 217, the fifth accommodating groove 3161 and the second accommodating groove 2152 are an accommodating space for temporarily storing the liquid entering from the outside Or the cutting fluid may slow down the speed of its entry, which increases the difficulty when the fluid or the cutting fluid enters the interior of the spindle structure.

6、該轉動軸20係會快速轉動，該第二套合部22係設有該二第三容置槽2211及該第四容置槽222，該第三容置槽2211之剖面係呈三角形槽狀，使各液體接觸該第三周面221後係會受該第三容置槽2211內之斜度及快速轉動之離心力，使該液體被甩開或流動至該第四容槽222及該第七周面412處，該各液體由轉動軸20及該第二蓋體40之間隙進入該主軸結構之機率即大為減少。 6. The rotating shaft 20 rotates rapidly, the second fitting portion 22 is provided with the two third accommodating grooves 2211 and the fourth accommodating groove 222, and the cross-section of the third accommodating groove 2211 is triangular It is groove-shaped, so that after each liquid contacts the third circumferential surface 221, it will be subjected to the centrifugal force of the inclination and rapid rotation in the third accommodating groove 2211, so that the liquid will be thrown away or flow to the fourth accommodating groove 222 and At the seventh circumferential surface 412 , the probability of the liquid entering the main shaft structure from the gap between the rotating shaft 20 and the second cover 40 is greatly reduced.

7、設有該氣孔415，進入該第四容置槽222及該第七周面412內多餘之該液體或氣體係可由該氣孔415排出該主軸結構外，該主軸結構損壞之機率即降低。 7. With the air hole 415, the excess liquid or gas system entering the fourth accommodating groove 222 and the seventh peripheral surface 412 can be discharged out of the main shaft structure through the air hole 415, and the probability of the main shaft structure being damaged is reduced.

因此本發明之主軸結構具有產業利用性、新穎性及進步性，誠能符合發明專利之申請要件，爰依法提出申請。 Therefore, the main shaft structure of the present invention has industrial applicability, novelty and progress, and can sincerely meet the application requirements for an invention patent, and an application can be filed in accordance with the law.

10:本體 10: Ontology

11:第一容槽 11: The first tank

20:轉動軸 20: Rotation shaft

21:第一套合部 21: The first set of joints

22:第二套合部 22: The second set of joints

30:第一蓋體 30: The first cover

31:第三套合部 31: The third set of fittings

40:第二蓋體 40: Second cover

41:第四套合部 41: The fourth set of assembly

Claims

一種主軸結構，其係包括：一本體，該本體內係設有第一容槽；一轉動軸，該轉動軸係樞設於該第一容槽內，該轉動軸係設有一第一套合部及一第二套合部；該第一套合部係依序設有一第一周面、一第一環凹槽、一第一環凸肋、一第一角端、一第二周面、一第二環凹槽及一第二環凸肋，該第一周面係具有一外直徑，該第二周面之直徑係大於該第一周面之直徑；一第一蓋體，該第一蓋體係組設於該本體之端部，該第一蓋體係與該轉動軸相樞設，該第一蓋體係設有一第三套合部，該第三套合部係供該第一套合部樞設，該第三套合部與該第一套合部之間係形成一第一間隙，該第一間隙係為迂迴路徑狀；一第二蓋體，該第二蓋體係組設於該本體上，該第二蓋體係設於該第一蓋體端部處，該第一蓋體係設於該本體及該第二蓋體之間，該第二蓋體係設有一第四套合部，該第四套合部係與該第二套合部相樞設，該第一套合部及該第二套合部係設於該第三套合部及該第四套合部之間，該第四套合部與該第二套合部之間係形成一第二間隙，該第二間隙係呈迂迴路徑狀，該第二間隙係連通該第一間隙。 A main shaft structure comprises: a main body with a first accommodating groove; a rotating shaft, the rotating shaft is pivoted in the first accommodating groove, and the rotating shaft is provided with a first sleeve part and a second fitting part; the first fitting part is sequentially provided with a first peripheral surface, a first annular groove, a first annular convex rib, a first corner end, and a second peripheral surface , a second annular groove and a second annular convex rib, the first peripheral surface has an outer diameter, the diameter of the second peripheral surface is larger than the diameter of the first peripheral surface; a first cover body, the The first cover system is assembled at the end of the main body, the first cover system is pivoted with the rotating shaft, and the first cover system is provided with a third fitting portion, and the third fitting portion is used for the first cover system. The sleeve part is pivoted, a first gap is formed between the third sleeve part and the first sleeve part, and the first gap is in the shape of a circuitous path; a second cover body, the second cover system is assembled Set on the body, the second cover system is set at the end of the first cover body, the first cover system is set between the body and the second cover body, the second cover system is provided with a fourth set a joint part, the fourth joint part is pivotally arranged with the second joint part, the first joint part and the second joint part are arranged on the third joint part and the fourth joint part A second gap is formed between the fourth sleeve portion and the second sleeve portion, the second gap is in the shape of a circuitous path, and the second gap communicates with the first gap.

如請求項1所述之主軸結構，其中，該本體係組設於各式工具機或各式加工母機上，該第一容槽係貫穿該本體，該第一容槽係呈圓槽狀；該轉動軸係呈快速轉動狀，該轉動軸與該第一容槽之間係設有至少一組軸承件，該轉動軸一端係供各式刀具相組設，該第一套合部及該第二套合部係凸露於該本體之外。 The main shaft structure as claimed in claim 1, wherein the main body is assembled on various types of machine tools or various machining mother machines, the first accommodating groove runs through the main body, and the first accommodating groove is in the shape of a circular groove; The rotating shaft is in the shape of rapid rotation, and at least one set of bearing parts is arranged between the rotating shaft and the first accommodating groove. and the second fitting portion is protruded out of the main body.

如請求項1所述之主軸結構，其中，該第一環凹槽係呈凹圓環槽狀，該第一環凸肋係呈凸圓環體狀，該第一環凹槽及該第一環凸肋與該第一周面之間係呈相垂直狀或接近90度狀，該第一環凹槽及該第一環凸肋係朝向該本體，該第一角端係呈彎角狀、直角狀、倒斜角狀或倒圓角狀，該第二周面之兩側係設有一第一容置槽及一第二容置槽，該第一容置槽與該第二容置槽具有較大空間以緩衝容置各液體，該液體係可為切削液或冷卻液等，該第一容置槽及該第二容置槽係呈凹圓環槽狀，該第二環凹槽係呈凹圓環槽狀，該第二環凸肋係呈凸圓環體狀，該第二環凹槽及該第二環凸肋與該第二周面之間係呈相垂直狀或接近90度狀，該第二環凹槽及該第二環凸肋係朝向該本體，該第二環凹槽之端面係與該第一環凹槽之端面係呈相平狀，該第二環凸肋之端面係與該第一環凸肋之端面係呈相平行狀。 The main shaft structure according to claim 1, wherein the first annular groove is in the shape of a concave annular groove, the first annular convex rib is in the shape of a convex annular body, the first annular groove and the first annular groove are in the shape of a convex annular body. The annular rib and the first peripheral surface are perpendicular or close to 90 degrees, the first annular groove and the first annular rib face the body, and the first corner end is angled , Right-angle, chamfered or rounded, both sides of the second peripheral surface are provided with a first accommodating groove and a second accommodating groove, the first accommodating groove and the second accommodating groove The groove has a large space for buffering and accommodating various liquids. The liquid system can be cutting fluid or cooling fluid, etc. The groove is in the shape of a concave annular groove, the second annular convex rib is in the shape of a convex annular body, and the second annular groove, the second annular convex rib and the second peripheral surface are perpendicular or Close to a 90-degree shape, the second annular groove and the second annular convex rib are facing the body, the end surface of the second annular groove is flat with the end surface of the first annular groove, and the second annular groove is flat. The end face of the annular rib is parallel to the end face of the first annular rib.

如請求項1所述之主軸結構，其中，該第二套合部係依序設有一第三周面、一第四容置槽、一第三環凸肋及一第三環凹槽，該第三周面具有最大之外直徑，該第三周面之外直徑係大於該第一周面之外直徑，該第三周面之直徑係大於該第二周面之直徑，該第四容置槽係設於該第三周面範圍內，該第四容置槽係具有較大空間以緩衝容置該液體。 The main shaft structure according to claim 1, wherein the second fitting portion is sequentially provided with a third peripheral surface, a fourth accommodating groove, a third annular rib and a third annular groove, the The third peripheral surface has the largest outer diameter, the outer diameter of the third peripheral surface is larger than the outer diameter of the first peripheral surface, the diameter of the third peripheral surface is larger than the diameter of the second peripheral surface, the fourth volume The accommodating groove is arranged within the range of the third peripheral surface, and the fourth accommodating groove has a larger space for buffering and accommodating the liquid.

如請求項4所述之主軸結構，其中，該第三周面係設有二第三容置槽，該第三容置槽具有較大空間以緩衝容置該液體，該第三容置槽之剖面係略呈三角形槽狀或各槽狀，該第四容置槽係設於該二第三容置槽之間，該第四容槽係呈凹圓環槽狀，該第三環凸肋係呈凸圓環體狀，該第三環凹槽係呈凹圓環槽狀，該第三環凸肋及該第三環凹槽與該第三周面之間係呈相垂直狀或接近90度狀，該第三環凸肋與該第三環凹槽係不對向該本體。 The main shaft structure according to claim 4, wherein the third peripheral surface is provided with two third accommodating grooves, the third accommodating grooves have a larger space for buffering and accommodating the liquid, and the third accommodating grooves The cross section is roughly triangular groove shape or each groove shape, the fourth accommodating groove is set in the two third accommodating grooves Between the accommodating grooves, the fourth accommodating groove is in the shape of a concave annular groove, the third annular convex rib is in the shape of a convex annular body, the third annular groove is in the shape of a concave annular groove, and the third annular groove is in the shape of a concave annular groove. The annular rib and the third annular groove and the third circumferential surface are perpendicular or approximately 90 degrees, and the third annular rib and the third annular groove do not face the body.

如請求項4所述之主軸結構，其中，該第三套合部之剖面係與該第一套合部之剖面相配合，該第三套合部係貫穿該第一蓋體，該第三套合部係呈圓槽狀，該第一套合部係依序設有一第四周面、一第四環凸肋、一第四環凹槽、一第二角端、一第五周面、一第五環凸肋及該第一端面；該第四周面係與該第一周面相樞設，該第四環凸肋係容設於該第一環凹槽內，該第四環凹槽係供該第一環凸肋相容設，該第二角端係對正該第一角端，該第五周面係與該第二周面相樞設，該第五環凸肋係容設於該第二環凹槽內狀，該第一端面係與該第二環凸肋相對正。 The main shaft structure according to claim 4, wherein the cross-section of the third fitting portion is matched with the cross-section of the first fitting portion, the third fitting portion penetrates the first cover, and the third fitting portion passes through the first cover. The sleeve part is in the shape of a circular groove, and the first sleeve part is sequentially provided with a fourth peripheral surface, a fourth annular rib, a fourth annular groove, a second corner end, and a fifth peripheral surface , a fifth ring convex rib and the first end surface; the fourth peripheral surface is pivoted with the first peripheral surface, the fourth ring convex rib is accommodated in the first ring groove, the fourth ring The groove is compatible with the first ring rib, the second corner end is aligned with the first corner end, the fifth peripheral surface is pivoted with the second peripheral surface, and the fifth ring protruding rib is It is accommodated in the second annular groove, and the first end face is opposite to the second annular convex rib.

如請求項6所述之主軸結構，其中，該第四環凸肋係呈凸圓環體狀，該第四環凹槽係呈凹圓環槽狀，該第二角端係呈直角狀，該第五環凸肋係呈凸圓環體，該第一端面係呈平面狀，該第一端面該第五環凸肋之間係具有較大空間係可供暫存該切削液或冷卻液等，該第五環凸肋與該第一端面之間係設有一第五容置槽，該第五容置槽係呈凹圓環槽狀，該第五容置槽係具較大空間可供暫存該切削液或冷卻液等。 The main shaft structure according to claim 6, wherein the fourth ring convex rib is in the shape of a convex annular body, the fourth annular groove is in the shape of a concave annular groove, and the second corner end is in the shape of a right angle, The fifth ring rib is a convex ring body, the first end face is flat, and there is a large space between the first end face and the fifth ring rib for temporarily storing the cutting fluid or coolant Etc., a fifth accommodating groove is set between the fifth ring convex rib and the first end surface, the fifth accommodating groove is in the shape of a concave annular groove, and the fifth accommodating groove has a large space for For temporary storage of the cutting fluid or coolant, etc.

如請求項6所述之主軸結構，其中，該第四套合部之剖面係與該第二套合部之剖面相配合，該第四套合部係貫穿該第二蓋體，該第四套合部係呈凹圓槽狀，該第四套合部係設有一第六周面、一第七周面、一第五環凹槽、一第六環凸肋及一氣孔；該第六周面係與該第三周面相樞設，該第七周面之內徑係大於該第六周面之內徑，該第七周面係與該第四容置槽相對正，該第七周面與該第四容置槽之間具有較大空間係可供暫存該切削液或冷卻液等，該第五環凹槽係供該第三環凸肋容置，該第六環凸肋係容設於該第三環凹槽內，該氣孔係對正於該第七周面，該第二間隙內之該液體或氣體係可由該氣孔處排出該主軸結構，該氣孔與該第四套合部係呈相通狀。 The main shaft structure according to claim 6, wherein the cross-section of the fourth fitting portion matches the cross-section of the second fitting portion, the fourth fitting portion penetrates through the second cover, and the fourth fitting portion The fitting portion is in the shape of a concave circular groove, and the fourth fitting portion is provided with a sixth peripheral surface and a seventh peripheral surface. surface, a fifth ring groove, a sixth ring rib and an air hole; the sixth peripheral surface is pivoted with the third peripheral surface, and the inner diameter of the seventh peripheral surface is greater than the sixth peripheral surface The inner diameter, the seventh peripheral surface is opposite to the fourth accommodating groove, and there is a large space between the seventh peripheral surface and the fourth accommodating groove for temporarily storing the cutting fluid or coolant, etc., The fifth annular groove accommodates the third annular convex rib, the sixth annular convex rib is accommodated in the third annular groove, the air hole is aligned with the seventh peripheral surface, and the second annular convex rib is accommodated in the third annular groove. The liquid or gas system in the gap can be discharged from the main shaft structure through the air hole, and the air hole is in communication with the fourth sleeve part.

如請求項8所述之主軸結構，其中，該第五環凹槽係呈凹圓環體狀，該氣孔係呈穿孔狀，該氣孔之軸心係與該第四套合部之軸心相垂直。 The main shaft structure according to claim 8, wherein the fifth ring groove is in the shape of a concave ring, the air hole is in the shape of a perforation, and the axis of the air hole is in phase with the axis of the fourth fitting portion vertical.