Claims (3)
一種可防水防塵的加工機主軸結構改良，包含：一套管，空心管結構且一端具有一套管端面，且該套管係沿一軸向延伸，垂直軸向定義為徑向；一軸件，穿套複數軸承、一軸套及至少一排水防塵環後插接於該套管內，其中：該軸件具有一中空道且一端為一連接段供以連接工具機，且該軸件的外表面又具有一環凹部，而該環凹部具有相對的一第一端面、一第二端面，以及銜接該第一端面與該第二端面的一側面；該些軸承穿套於該軸件外且位於該環凹部及該套管內，各該軸承接鄰設置，且其中一軸承同時貼抵於該第一端面及該側面，而其餘軸承則至少貼抵於該側面；該軸套具有一沿軸向延伸之軸面部以及一沿徑向延伸之徑面部，該軸面部於軸向上具有一軸端面，而該徑面部於徑向上具有一徑端面，該軸套穿套於該軸件並位於該環凹部內，且該軸套的軸面部貼抵於該環凹部的側面，並以該軸面部之軸端面貼抵於其中一軸承，而該軸套的徑面部則貼抵於該環凹部的第二端面；該排水防塵環上沿徑向設置至少一排水防塵道，且該排水防塵環穿套於該環凹部、套覆於該軸套並靠抵於該套管的套管端面，且該排水防塵環的該排水防塵道與該軸套、該軸件之間又分別設置一匯集空間。
The utility model relates to a waterproof and dustproof processing machine spindle structure, comprising: a sleeve, a hollow tube structure and a sleeve end face at one end, wherein the sleeve system extends along an axial direction, and the vertical axis is defined as a radial direction; a shaft member, Inserting a plurality of bearings, a sleeve and at least one drainage dust ring into the sleeve, wherein: the shaft member has a hollow passage and one end is a connecting portion for connecting the machine tool, and the outer surface of the shaft member The ring recess has a first end surface, a second end surface, and a side surface connecting the first end surface and the second end surface; the bearings are sleeved outside the shaft member and located at the side In the annular recess and the sleeve, each of the bearings is disposed adjacent to each other, and one of the bearings is simultaneously abutted against the first end surface and the side surface, and the remaining bearings are at least abutted against the side surface; the sleeve has an axial direction An axial portion extending and a radial extending surface portion having an axial end surface in the axial direction, the radial surface having a radial end surface in the radial direction, the sleeve being sleeved on the shaft and located in the annular recess Inside, and the shaft of the sleeve a portion abutting against a side surface of the annular recess and abutting against one of the bearings with the axial end surface of the shaft surface, and the radial surface of the sleeve abuts against the second end surface of the annular recess; the upper edge of the drainage dust ring Having at least one drainage dustproof passage in a radial direction, and the drainage dustproof ring is sleeved in the annular recessed portion, is sleeved on the sleeve and abuts against the sleeve end surface of the sleeve, and the drainage dustproof passage of the drainage dust ring is A collecting space is respectively disposed between the sleeve and the shaft member.
如申請專利範圍第1項所述的可防水防塵的加工機主軸結構改良，其中，該軸件的外表面又具有一環凹溝，該環凹溝具有一向軸向開放的導引口。
The water-resistant and dust-proof processing machine spindle structure according to claim 1 is improved, wherein the outer surface of the shaft member further has a ring groove, and the ring groove has an axially open guiding port.
如申請專利範圍第1項所述的可防水防塵的加工機主軸結構改
良，其中，該排水防塵環的數量為二，且各該排水防塵環分別為一第一排水防塵環及一第二排水防塵環，該第一排水防塵環上沿徑向設置二排水防塵道，且該第一排水防塵環的各該排水防塵道分別相對該軸套的軸面部及該軸套的徑端面，該第一排水防塵環的各該排水防塵道與該軸面部、徑端面之間分別設置一個匯集空間；而該第二排水防塵環具有一個排水防塵道且穿套於該軸件的外表面接鄰該環凹溝之位置，該第二排水防塵環的排水防塵道與該軸件的外表面銜接處亦設置一匯集空間。
The structure of the main shaft of the waterproof and dustproof processing machine described in item 1 of the patent application scope is changed.
Preferably, the number of the drainage dust rings is two, and each of the drainage dust rings is a first drainage dust ring and a second drainage dust ring, and the first drainage dust ring is provided with two drainage dust passages in the radial direction. And each of the drainage and dustproof passages of the first drainage dust ring is opposite to the shaft surface portion of the sleeve and the radial end surface of the sleeve, and the drainage and dustproof passages of the first drainage dust ring and the shaft surface and the radial end surface A second drainage dust ring has a drainage dust passage and is disposed on the outer surface of the shaft member adjacent to the annular groove, and the drainage dust passage of the second drainage dust ring and the shaft A collection space is also provided at the outer surface of the piece.