TWI647055B - Rotary table for machining workpiece - Google Patents

Rotary table for machining workpiece Download PDF

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Publication number
TWI647055B
TWI647055B TW106115817A TW106115817A TWI647055B TW I647055 B TWI647055 B TW I647055B TW 106115817 A TW106115817 A TW 106115817A TW 106115817 A TW106115817 A TW 106115817A TW I647055 B TWI647055 B TW I647055B
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TW
Taiwan
Prior art keywords
main body
preload
rotating shaft
bearing portion
locking
Prior art date
Application number
TW106115817A
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Chinese (zh)
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TW201739568A (en
Inventor
金聖福
Original Assignee
埃科技術有限公司
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Publication date
Priority claimed from KR1020160058423A external-priority patent/KR101660956B1/en
Priority claimed from KR1020160137503A external-priority patent/KR20180043988A/en
Application filed by 埃科技術有限公司 filed Critical 埃科技術有限公司
Publication of TW201739568A publication Critical patent/TW201739568A/en
Application granted granted Critical
Publication of TWI647055B publication Critical patent/TWI647055B/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02—Indexing equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02—Indexing equipment
    • B23Q16/04—Indexing equipment having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02—Indexing equipment
    • B23Q16/04—Indexing equipment having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
    • B23Q16/06—Rotary indexing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/54—Arrangements or details not restricted to group B23Q5/02 or group B23Q5/22 respectively, e.g. control handles
    • B23Q5/56—Preventing backlash

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)
  • Machine Tool Positioning Apparatuses (AREA)
  • Support Of The Bearing (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

本發明係關於一種用於加工工件的回轉台，回轉台包括主體(11)、旋轉軸(12)、工作臺、第一構件(31)、驅動部(15)、第二構件(32)、第二軸承部(40)和預負荷施加單元(50)，其中，旋轉軸(12)在主體處安裝成能夠透過第一軸承部(20)旋轉；工作臺安裝在旋轉軸(12)處，且工件安裝在工作臺上；第一構件(31)安裝在工作臺的下側以與工作臺一同旋轉；驅動部(15)配置成驅動安裝在主體(11)的中心處的旋轉軸(12)；第二構件(32)與第一構件(31)對應地安裝在主體(11)處；第二軸承部(40)安裝在第一構件(31)與第二構件(32)之間；以及預負荷施加單元(50)配置成向相對於主體支承旋轉軸(12)的第一軸承部(20)施加預負荷。 The present invention relates to a turntable for machining a workpiece, the turntable comprising a body (11), a rotating shaft (12), a table, a first member (31), a driving portion (15), a second member (32), a second bearing portion (40) and a preload applying unit (50), wherein the rotating shaft (12) is mounted at the main body to be rotatable through the first bearing portion (20); the table is mounted at the rotating shaft (12), And the workpiece is mounted on the table; the first member (31) is mounted on the lower side of the table to rotate together with the table; the driving portion (15) is configured to drive the rotating shaft mounted at the center of the body (11) (12) a second member (32) is mounted at the body (11) corresponding to the first member (31); the second bearing portion (40) is mounted between the first member (31) and the second member (32); And the preload applying unit (50) is configured to apply a preload to the first bearing portion (20) that supports the rotating shaft (12) with respect to the main body.

Description

用於加工工件的回轉台 Turntable for machining workpieces

本發明係關於一種用於加工工件的回轉台，尤指一種能夠起到在支承工件的同時旋轉的回轉台的功能以及以預定角度固定在旋轉狀態的分度(index)工作臺的功能的、用於加工工件的回轉台。 The present invention relates to a turntable for processing a workpiece, and more particularly to a function of a turntable capable of rotating while supporting a workpiece and a function of an indexing table fixed at a predetermined angle in a rotating state. A rotary table for machining workpieces.

通常，將用於在各種切削方法或非切削方法中使用適當的工具對金屬材料或非金屬材料的形狀進行加工或用於對半成品材料進行精密加工的機器稱作機床。在機床之中，將在加工過程中產生切屑的機床稱作切削機床，並且將在加工過程中不產生切屑的非切削機床稱作塑膠加工機器。切削機床包括車床、銑床、加工中心、鑽床、鏜床、磨床、齒輪加工機、特種加工機等。金屬成形機包括機械壓床、液壓機、切削折彎機、鍛造機、拉絲機等。 In general, a machine for processing a shape of a metal material or a non-metal material using a suitable tool in various cutting methods or non-cutting methods or for precision machining of a semi-finished material is called a machine tool. Among machine tools, a machine that produces chips during machining is called a cutting machine, and a non-cutting machine that does not generate chips during machining is called a plastic processing machine. Cutting machines include lathes, milling machines, machining centers, drilling machines, boring machines, grinding machines, gear processing machines, special processing machines, etc. Metal forming machines include mechanical presses, hydraulic presses, cutting and bending machines, forging machines, wire drawing machines, and the like.

放置工件的工作臺安裝在機床處。工作臺通常設計成利用齒條齒輪和小齒輪或蝸輪和蝸桿來旋轉。 The workbench on which the workpiece is placed is installed at the machine. Workbenches are typically designed to rotate using rack and pinion gears or worm gears and worms.

在機床中，通常使用的是利用蝸輪和蝸桿的工作臺旋轉設備。 In machine tools, a table rotating device that utilizes a worm gear and a worm is commonly used.

如上所述，在用於傳統機床的工作臺旋轉設備中，由於需要將用於驅動蝸輪和蝸桿的電機的旋轉標度(divide)成用於工作臺旋轉或分度的標度間隔，因此不僅需要如彎曲聯接件的單獨標度設備而且還需要用於測量角度的旋轉編碼器，因此存在結構複雜化和生產成本增加的一些問題。 As described above, in the table rotating apparatus for a conventional machine tool, since the rotation scale of the motor for driving the worm wheel and the worm is required to be used for the scale interval of the table rotation or indexing, not only the scale interval is required for the table rotation or indexing, There is a need for a separate scale device such as a curved coupling and a rotary encoder for measuring angles, so there are some problems of structural complication and increased production costs.

關於這點，在第1604547號韓國專利中公開了用於機床的回轉台裝置。以及在第2001-0028580號韓國公開專利中公開了用於機床的工作臺分度設備。 In this regard, a rotary table device for a machine tool is disclosed in Korean Patent No. 1604547. A table indexing device for a machine tool is disclosed in Korean Laid-Open Patent Publication No. 2001-0028580.

在所公開的傳統工作臺分度設備中，由於用於連續旋轉或標度的結構是獨立提供的，所以應使用單獨的工作臺用於旋轉和分度，因此，存在用於加工工件的設定時間增加和工作性降低的一些問題。 In the disclosed conventional table indexing device, since the structure for continuous rotation or scaling is independently provided, a separate table should be used for rotation and indexing, and therefore, there are settings for machining the workpiece. Some problems with increased time and reduced workability.

在第H06-71542號日本公開專利中公開了標度工作臺。 A scale table is disclosed in Japanese Laid-Open Patent Publication No. H06-71542.

所公開的標度工作臺包括工作臺本體和轉動台，其中，工作臺本體透過圓柱狀機構進行升降並且具有軸向圓周旋轉受到限制的活塞，轉動台支承在工作臺本體上圍繞軸向圓周分區旋轉，安裝在轉動台處的第一聯接齒輪和固定至工作臺本體的第二聯接齒輪安裝在相同的中心線上，並且透過活塞的下降從上側與第一聯接齒輪和第二聯接齒輪嚙合的第三聯接齒輪連接至活塞。 The disclosed scale table includes a table body and a rotary table, wherein the table body is lifted and lowered by a cylindrical mechanism and has a piston whose axial circumferential rotation is restricted, and the rotary table is supported on the table body and is divided around the axial circumference. Rotating, the first coupling gear mounted at the rotary table and the second coupling gear fixed to the table body are mounted on the same center line, and the first transmission gear and the second coupling gear are meshed from the upper side by the lowering of the piston A three-joint gear is connected to the piston.

然而，標度工作臺具有相對複雜的結構，尤其是，儘管在豎直安裝中沒有嚴重的問題，但是在水準安裝中，由於它的元件之間的細小間隙，存在旋轉期間產生振動的問題。 However, the scale table has a relatively complicated structure, and in particular, although there is no serious problem in the vertical installation, in the leveling installation, there is a problem that vibration occurs during the rotation due to a small gap between its components.

本發明旨在提供一種用於加工工件的回轉台，當安裝有待加工的工件時，該回轉台能夠旋轉或以預定的角度精確且相對牢固地被固定。 SUMMARY OF THE INVENTION The present invention is directed to a turntable for machining a workpiece that can be rotated or fixed accurately and relatively securely at a predetermined angle when a workpiece to be machined is mounted.

此外，本發明旨在提供一種用於加工工件的回轉台，能夠透過向工作臺的旋轉軸的軸承施加預負荷來控制振動和旋轉。 Further, the present invention is directed to a turntable for processing a workpiece capable of controlling vibration and rotation by applying a preload to a bearing of a rotating shaft of the table.

本發明提供一種用於加工工件的回轉台，回轉台包括主體、旋轉軸、工作臺、第一構件、驅動部、第二構件、第二軸承部和預負荷施加單元，其中，旋轉軸在主體處安裝成能夠透過第一軸承部旋轉；工作臺安裝在旋轉軸處且其上安裝有工件；第一構件安裝在工作臺處以與工作臺一同旋轉；驅動部安裝在主體和旋轉軸處以驅動旋轉軸；第二構件與第一構件對應地安裝在主體處；第二軸承部安裝在第一構件與第二構件之間；以及預負荷施加單元配置成將預負荷施加至相對於主體支承旋轉軸的軸承部分。 The present invention provides a turntable for machining a workpiece, the turntable including a main body, a rotating shaft, a table, a first member, a driving portion, a second member, a second bearing portion, and a preload applying unit, wherein the rotating shaft is in the main body Mounted to be rotatable through the first bearing portion; the table is mounted on the rotating shaft and has a workpiece mounted thereon; the first member is mounted at the table to rotate with the table; the driving portion is mounted at the body and the rotating shaft to drive the rotation a shaft; a second member is mounted at the body corresponding to the first member; a second bearing portion is mounted between the first member and the second member; and the preload applying unit is configured to apply a preload to the rotating shaft relative to the body Bearing part.

預負荷施加單元可包括圓柱體部和操作壓力施加部，其中，圓柱體部形成在與第一軸承的外輪的上表面側或下表面側對應的側面，以向軸承的外輪施加預負荷；以及操作壓力施加部將用於操作的操作壓力施加至圓柱體部，使得活塞衝壓第一軸承部的外輪，並且將預負荷施加至第一軸承。 The preload applying unit may include a cylindrical portion and an operation pressure applying portion, wherein the cylindrical portion is formed on a side corresponding to an upper surface side or a lower surface side of the outer wheel of the first bearing to apply a preload to the outer wheel of the bearing; The operating pressure applying portion applies an operating pressure for the operation to the cylindrical portion such that the piston punches the outer wheel of the first bearing portion and applies a preload to the first bearing.

回轉台還可包括工作臺分度單元，工作臺分度單元安裝在第一構件和第二構件下方的工作臺處，以預定角度固定工作臺。 The turntable may further include a table indexing unit mounted at the table below the first member and the second member to fix the table at a predetermined angle.

工作臺分度單元可包括鎖定基座構件、鎖定構件、第一操作壓力施加部和第二操作壓力施加部，其中，鎖定基座構件在第一構件和第二構件下方，且位於工作臺與主體之間，並且安裝在工作臺處以與工作臺一起旋轉；鎖定構件安裝在工作臺處，以在鎖定基座構件與第一構件和第二構件之間進行升降，在第一構件與鎖定構件之間形成第一圓柱體部並且在鎖定基座構件與鎖定構件之間形成第二圓柱體部；第一操作壓力施加部安裝在主體處以向第一圓柱體部供應氣壓或液壓，使得鎖定構件下降並與第一構件和第二構件分離，且允許工作臺旋轉；第二操作壓力施加部向第二圓柱體部供應氣壓或液壓，使得鎖定構件上升並聯接至第一構件和第二構件，且使得工作臺的旋轉被固定。 The table indexing unit may include a lock base member, a locking member, a first operating pressure applying portion, and a second operating pressure applying portion, wherein the locking base member is below the first member and the second member, and is located at the table Between the bodies, and mounted at the table to rotate with the table; the locking member is mounted at the table to lift between the locking base member and the first member and the second member, the first member and the locking member Forming a first cylindrical portion therebetween and forming a second cylindrical portion between the locking base member and the locking member; the first operating pressure applying portion is mounted at the body to supply air pressure or hydraulic pressure to the first cylindrical portion such that the locking member Dropping and separating from the first member and the second member, and allowing the table to rotate; the second operating pressure applying portion supplies air pressure or hydraulic pressure to the second cylindrical portion such that the locking member is raised and coupled to the first member and the second member, And the rotation of the table is fixed.

在工作臺分度單元中，彼此聯接的凹凸部分形成在第一構件和第二構件上以及鎖定構件的上表面上，其中，鎖定構件聯接至第一構件和第二構件。 In the table indexing unit, the concavo-convex portions coupled to each other are formed on the first member and the second member and on the upper surface of the locking member, wherein the locking member is coupled to the first member and the second member.

當本發明的用於加工工件的回轉臺上安裝有待加工的工件時，該回轉台能夠使工作臺旋轉或以預定角度固定工作臺，因此，當工件由機床進行加工時，能夠相容地使用該回轉台。 When the workpiece to be processed is mounted on the turntable for machining a workpiece of the present invention, the turntable can rotate the worktable or fix the worktable at a predetermined angle, thereby being compatible when the workpiece is machined by the machine tool The turntable.

此外，本發明能夠透過向工作臺的旋轉軸的軸承施加預負荷來控制振動和旋轉，並且能夠在分度模式中增強相對於工作臺的旋轉的固定力和精度。 Further, the present invention is capable of controlling vibration and rotation by applying a preload to a bearing of a rotating shaft of the table, and is capable of enhancing the fixing force and precision with respect to the rotation of the table in the indexing mode.

10‧‧‧回轉台 10‧‧‧ turntable

11‧‧‧主體 11‧‧‧ Subject

12‧‧‧旋轉軸 12‧‧‧Rotary axis

13‧‧‧工作臺 13‧‧‧Workbench

13a‧‧‧通孔 13a‧‧‧through hole

15‧‧‧驅動部 15‧‧‧ Drive Department

15a‧‧‧蝸輪 15a‧‧‧ worm gear

15b‧‧‧蝸桿 15b‧‧‧ worm

15c、15d‧‧‧衝壓構件 15c, 15d‧‧‧ stamping members

15e‧‧‧電機 15e‧‧‧Motor

16‧‧‧角度檢測感測器 16‧‧‧ Angle detection sensor

20‧‧‧第一軸承部 20‧‧‧First Bearing Department

21‧‧‧外輪 21‧‧‧Outside

22‧‧‧內輪 22‧‧‧ Inner wheel

23‧‧‧輥 23‧‧‧ Roll

31‧‧‧第一構件 31‧‧‧ first component

31a‧‧‧齒 31a‧‧‧ teeth

32‧‧‧第二構件 32‧‧‧Second component

32a‧‧‧齒 32a‧‧‧ teeth

40‧‧‧第二軸承部 40‧‧‧Second bearing

50‧‧‧預負荷施加單元 50‧‧‧Preload application unit

51‧‧‧活塞 51‧‧‧Piston

52‧‧‧圓柱體部 52‧‧‧Cylinder

55‧‧‧操作壓力施加部 55‧‧‧Operating pressure application department

55a‧‧‧氣壓或液壓供應管 55a‧‧‧Pneumatic or hydraulic supply pipe

56‧‧‧預負荷的彈簧 56‧‧‧Preloaded spring

70‧‧‧工作臺分度單元 70‧‧‧Working table indexing unit

71‧‧‧鎖定基座構件 71‧‧‧Lock base member

72‧‧‧鎖定構件 72‧‧‧Locking members

72a‧‧‧齒 72a‧‧‧ teeth

73‧‧‧第二圓柱體部 73‧‧‧Second cylinder

74‧‧‧第一圓柱體部 74‧‧‧First cylinder

76‧‧‧第一操作壓力施加部 76‧‧‧First operating pressure application unit

77‧‧‧第二操作壓力施加部 77‧‧‧Second operation pressure application unit

80‧‧‧止推軸承 80‧‧‧ thrust bearing

90‧‧‧鎖定基座構件 90‧‧‧Lock base member

91‧‧‧固定部 91‧‧‧ Fixed Department

92‧‧‧升降引導部 92‧‧‧ Lifting Guide

95‧‧‧彈性構件 95‧‧‧Flexible components

96‧‧‧支承構件 96‧‧‧Support members

圖1是本發明用於加工工件的回轉台的一個實施方式的立體圖。 BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective view of one embodiment of a turntable for processing a workpiece of the present invention.

圖2是示出圖1中所示出的用於加工工件的回轉台的驅動部的剖視圖。 2 is a cross-sectional view showing a driving portion of the turntable for machining a workpiece shown in FIG. 1.

圖3是本發明用於加工工件的回轉台的局部剖視圖。 Figure 3 is a partial cross-sectional view of a turntable for machining a workpiece of the present invention.

圖4是示出圖3中所示出的預負荷施加單元的剖視圖。 4 is a cross-sectional view showing the preload applying unit shown in FIG. 3.

圖5是本發明用於加工工件的回轉台的另一實施方式的剖視圖。 Figure 5 is a cross-sectional view showing another embodiment of the turntable for processing a workpiece of the present invention.

圖6和圖7是圖5中所示出用於加工工件的回轉台的局部剖視圖，這些圖示出上述回轉台的操作狀態。 6 and 7 are partial cross-sectional views of the turntable shown in Fig. 5 for machining a workpiece, the figures showing the operational state of the above-described turntable.

圖8是本發明的用於加工工件的回轉台的又一實施方式的剖視圖。 Figure 8 is a cross-sectional view showing still another embodiment of the turntable for processing a workpiece of the present invention.

圖9是示出圖8中所示出用於加工工件的回轉台的局部剖視圖，該圖示出上述回轉台的操作狀態。 Figure 9 is a partial cross-sectional view showing the turntable shown in Figure 8 for machining a workpiece, which shows the operational state of the above-described turntable.

根據本發明的用於加工工件的回轉台在工件被固定到工作臺的情況下，能夠使工作臺旋轉並且還能夠將工作臺固定在旋轉位置，圖1至圖7中示出了該回轉台的實施方式。 The turntable for machining a workpiece according to the present invention can rotate the table and also fix the table in a rotating position in the case where the workpiece is fixed to the table, which is shown in FIGS. 1 to 7. Implementation.

參照圖1至圖3，根據本發明的用於加工工件的回轉台10包括主體11、旋轉軸12和工作臺13，其中，主體11固定並安裝在機床的工作臺等處，旋轉軸12在主體11處安裝成透過第一軸承部20可旋轉，並且工作臺13安裝在旋轉軸12處且其上安裝有工件。根據本發明的用於加工工件的回轉台10還包括第一構件31和驅動部15，其中，第一構件31固定並安裝在工作臺13的下側以與工作臺13一同旋轉，驅動部15安裝在主體11和旋轉軸12處以驅動旋轉軸12。另外，第二構件32與第一構件31對應地安裝在主體11處，並且第二軸承部40安裝在第一構件31與第二構件32之間。用於向支承旋轉軸12的第一軸承部20施加預負荷的預負荷施加單元50安裝在主體11處。 1 to 3, a turntable 10 for processing a workpiece according to the present invention includes a main body 11, a rotary shaft 12, and a table 13, wherein the main body 11 is fixed and mounted at a table or the like of a machine tool, and the rotary shaft 12 is The main body 11 is mounted to be rotatable through the first bearing portion 20, and the table 13 is mounted at the rotating shaft 12 and on which the workpiece is mounted. The turntable 10 for processing a workpiece according to the present invention further includes a first member 31 and a driving portion 15, wherein the first member 31 is fixed and mounted on the lower side of the table 13 to rotate together with the table 13, the driving portion 15 Mounted at the main body 11 and the rotating shaft 12 to drive the rotating shaft 12. In addition, the second member 32 is mounted at the main body 11 corresponding to the first member 31, and the second bearing portion 40 is installed between the first member 31 and the second member 32. A preload applying unit 50 for applying a preload to the first bearing portion 20 supporting the rotating shaft 12 is installed at the main body 11.

具有用於固定工件的螺絲攻的多個通孔13a形成在工作臺13的安裝有旋轉軸12的上表面上。另外，相對於主體11支承旋轉軸12的第一軸承部20可配置有由輥形成的滾柱軸承，並且第二軸承部40可配置有球軸承、滾柱軸承和軸頸軸承之一，但是本發明不限於此。 A plurality of through holes 13a having screw taps for fixing the workpiece are formed on the upper surface of the table 13 on which the rotary shaft 12 is mounted. Further, the first bearing portion 20 supporting the rotating shaft 12 with respect to the main body 11 may be provided with a roller bearing formed of a roller, and the second bearing portion 40 may be configured with one of a ball bearing, a roller bearing, and a journal bearing, but The invention is not limited thereto.

驅動部15可包括蝸輪15a、蝸桿15b和電機15e，其中，蝸輪15a安裝在旋轉軸12處；蝸桿15b可旋轉地安裝在主體11處以與蝸輪15a嚙合；以及電機15c使蝸桿15b旋轉。電機15e可以是步進電機或液壓電機，但是本發明不限於此。多個角度檢測感測器16與蝸輪15a的外圓周表面相對應地安裝在主體11處，其中，多個角度檢測感測器16檢測用於工作臺13的分度的從動齒輪的旋轉角度，該從動齒輪與蝸輪15a或電機15e的驅動齒輪嚙合、安裝在蝸桿15b的軸處且還與驅動齒輪嚙合。此外，主體11處還可設置多個 衝壓構件15c和15d(參照圖7和圖8)，多個衝壓構件15c和15d朝向蝸輪15a彈性地偏置蝸桿15b並且防止發生後沖。 The driving portion 15 may include a worm wheel 15a, a worm 15b, and a motor 15e, wherein the worm wheel 15a is mounted at the rotating shaft 12; the worm 15b is rotatably mounted at the body 11 to mesh with the worm wheel 15a; and the motor 15c rotates the worm 15b. The motor 15e may be a stepping motor or a hydraulic motor, but the invention is not limited thereto. A plurality of angle detecting sensors 16 are mounted at the main body 11 corresponding to the outer circumferential surface of the worm wheel 15a, wherein the plurality of angle detecting sensors 16 detect the rotation angle of the driven gear for indexing of the table 13 The driven gear meshes with the drive gear of the worm wheel 15a or the motor 15e, is mounted at the shaft of the worm 15b, and is also meshed with the drive gear. In addition, multiple bodies can be provided at the main body 11 The punching members 15c and 15d (refer to Figs. 7 and 8), the plurality of punching members 15c and 15d elastically bias the worm 15b toward the worm wheel 15a and prevent backlash from occurring.

如圖3和圖4所示，預負荷施加單元50透過向用於支承旋轉的旋轉軸12的第一軸承部20的外輪21施加外力，而施加基於旋轉軸12的旋轉的預定的預負荷，並且包括具有活塞51的圓柱體部52，圓柱體部52形成在與第一軸承部20的外輪21的上表面側或下表面側相對應的側面處，以向第一軸承部20的外輪21施加預負荷。這裡，當活塞51向前或向後移動時，安裝在旋轉軸12處以支承第一軸承部20的輥23的內輪22不應與活塞51接觸。 As shown in FIGS. 3 and 4, the preload applying unit 50 transmits a predetermined preload based on the rotation of the rotating shaft 12 by applying an external force to the outer ring 21 of the first bearing portion 20 for supporting the rotating rotating shaft 12, And includes a cylindrical portion 52 having a piston 51 formed at a side surface corresponding to the upper surface side or the lower surface side of the outer ring 21 of the first bearing portion 20 to the outer ring 21 of the first bearing portion 20. Apply a preload. Here, when the piston 51 moves forward or backward, the inner ring 22 mounted at the rotating shaft 12 to support the roller 23 of the first bearing portion 20 should not come into contact with the piston 51.

預負荷施加單元50具有操作壓力施加部55，操作壓力施加部55使圓柱體部52的活塞51在向外輪21施加預負荷的方向上移動。向第一軸承部20主要施加預定的預負荷的彈簧56可安裝在活塞51的上表面與圓柱體部52的內表面之間。操作壓力施加部55具有安裝在主體11處以向圓柱體部52供應氣壓或液壓的氣壓或液壓供應管55a。雖然未在附圖中示出，但是為了供應氣壓或液壓，氣壓或液壓供應管55a連接至電源，並且氣壓或液壓供應管55a處安裝有閥。 The preload applying unit 50 has an operation pressure applying portion 55 that moves the piston 51 of the cylindrical portion 52 in a direction in which the preload is applied to the outer wheel 21. A spring 56 that mainly applies a predetermined preload to the first bearing portion 20 may be installed between the upper surface of the piston 51 and the inner surface of the cylindrical portion 52. The operating pressure applying portion 55 has a pneumatic or hydraulic supply pipe 55a that is mounted at the main body 11 to supply air pressure or hydraulic pressure to the cylindrical portion 52. Although not shown in the drawings, in order to supply air pressure or hydraulic pressure, the air pressure or hydraulic supply pipe 55a is connected to the power source, and a valve is installed at the air pressure or hydraulic supply pipe 55a.

在具有上述配置的回轉台10中，隨著蝸桿15b透過電機15c旋轉，蝸輪15a透過蝸桿15b而旋轉，且工作臺13發生旋轉。此時，由於第二軸承部40支承在安裝於工作臺13處的第一構件31與安裝於主體11處的第二構件32之間，因此能夠增加當工件安裝在工作臺13上時用於抵抗主體11的支承力。另外，在旋轉過程中，根據取決於重量的過程量，由預負荷施加單元50將適當的預負荷施加至第一軸承部20，從而能夠最大限度地減小由於工作臺13的旋轉而導致的振動，並且當重量較大的工件安裝在工作臺13上時，能夠減小根據工作臺13的旋轉的轉矩，並且還能夠穩定地提升旋轉精度。 In the turntable 10 having the above configuration, as the worm 15b is rotated by the motor 15c, the worm wheel 15a is rotated by the worm 15b, and the table 13 is rotated. At this time, since the second bearing portion 40 is supported between the first member 31 mounted at the table 13 and the second member 32 mounted at the body 11, it is possible to increase the use when the workpiece is mounted on the table 13 Resist the supporting force of the main body 11. In addition, an appropriate preload is applied to the first bearing portion 20 by the preload applying unit 50 in accordance with the process amount depending on the weight during the rotation, so that the rotation due to the table 13 can be minimized. Vibration, and when a workpiece having a large weight is mounted on the table 13, the torque according to the rotation of the table 13 can be reduced, and the rotation accuracy can also be stably raised.

另一方面，如圖4、圖6和圖7所示，還設置了工作臺分度單元70，工作臺分度單元70安裝在工作臺13處，且位於第一構件31和第二構件32下方，並以預定角度固定工作臺13。 On the other hand, as shown in FIGS. 4, 6, and 7, a table indexing unit 70 is further provided, and the table indexing unit 70 is installed at the table 13, and is located at the first member 31 and the second member 32. Below, the table 13 is fixed at a predetermined angle.

工作臺分度單元70包括鎖定基座構件71，鎖定基座構件71在第一構件31和第二構件32下方且位於工作臺13與主體11之間，並且安裝在工作臺13處以與工作臺13一同旋轉。另外，在工作臺分度單元70中，鎖定構件72安裝在工作臺13處以在鎖定基座構件71與第一構件31和第二構件32之間進行升降。然而，本發明並不局限於上述實施方式，且如圖8和圖9所示， 鎖定基座構件還可包括固定至主體11的固定部91和在鎖定構件72進行升降時引導環狀鎖定構件72的升降引導部92。升降引導部92的內側可以接近於工作臺13或可以滑動。向下(即，朝向鎖定基座構件90)移動鎖定構件72的彈性構件95可安裝在沿著升降引導部92進行升降的鎖定構件72處。當安裝了鎖定基座構件90時，支承鎖定基座構件90的支承構件96可安裝在工作臺13或旋轉軸12處，以防止在鎖定構件72上升時鎖定基座構件90向下凹陷或變形。當安裝將在下文中描述的第二圓柱體部時，鎖定基座構件90的安裝允許容易地安裝用於密封的密封件。 The table indexing unit 70 includes a locking base member 71 below the first member 31 and the second member 32 and between the table 13 and the body 11, and is mounted at the table 13 to work with the table 13 rotate together. Further, in the table indexing unit 70, the locking member 72 is mounted at the table 13 to ascend and descend between the lock base member 71 and the first member 31 and the second member 32. However, the present invention is not limited to the above embodiment, and as shown in FIGS. 8 and 9, The lock base member may further include a fixing portion 91 fixed to the main body 11 and a lifting guide portion 92 that guides the annular locking member 72 when the locking member 72 is lifted and lowered. The inside of the elevation guide 92 can be close to the table 13 or can slide. The elastic member 95 that moves the locking member 72 downward (ie, toward the locking base member 90) may be installed at the locking member 72 that is raised and lowered along the elevation guide 92. When the lock base member 90 is mounted, the support member 96 supporting the lock base member 90 may be mounted at the table 13 or the rotary shaft 12 to prevent the lock base member 90 from being recessed or deformed downward when the lock member 72 is raised . When the second cylindrical portion to be described later is mounted, the mounting of the lock base member 90 allows the seal for sealing to be easily installed.

另外，使鎖定構件72下降的第一圓柱體部74設置在第一構件31與鎖定構件72之間，並且使鎖定構件72上升的第二圓柱體部73設置在鎖定構件72與鎖定基座構件71或90之間。 In addition, a first cylindrical portion 74 that lowers the locking member 72 is disposed between the first member 31 and the locking member 72, and a second cylindrical portion 73 that raises the locking member 72 is disposed at the locking member 72 and the locking base member Between 71 or 90.

工作臺分度單元70包括第一操作壓力施加部76和第二操作壓力施加部77，其中，第一操作壓力施加部76安裝在主體11處以向第一圓柱體部74供應氣壓或液壓，使得鎖定構件72下降並與第一構件31和第二構件32分離，且使得工作臺13旋轉；第二操作壓力施加部77向第二圓柱體部73供應氣壓或液壓，使得鎖定構件72上升並聯接至第一構件31和第二構件32，並且使得工作臺13的旋轉被固定。第一操作壓力施加部76和第二操作壓力施加部77具有與操作壓力施加部55大致相同的結構。即，設置有液壓供應管，透過該液壓供應管，將氣壓或液壓供應至第一圓柱體部74和第二圓柱體部73，並使其從第一圓柱體部74和第二圓柱體部73排出。 The table indexing unit 70 includes a first operating pressure applying portion 76 and a second operating pressure applying portion 77, wherein the first operating pressure applying portion 76 is installed at the main body 11 to supply air pressure or hydraulic pressure to the first cylindrical portion 74 such that The locking member 72 is lowered and separated from the first member 31 and the second member 32, and causes the table 13 to rotate; the second operating pressure applying portion 77 supplies air pressure or hydraulic pressure to the second cylindrical portion 73 such that the locking member 72 is raised and coupled To the first member 31 and the second member 32, and the rotation of the table 13 is fixed. The first operating pressure applying portion 76 and the second operating pressure applying portion 77 have substantially the same configuration as the operating pressure applying portion 55. That is, a hydraulic supply pipe is provided through which air pressure or hydraulic pressure is supplied to the first cylindrical portion 74 and the second cylindrical portion 73 from the first cylindrical portion 74 and the second cylindrical portion 73 discharge.

另一方面，彼此聯接以固定工作臺13的旋轉的齒31a、32a和72a形成在第一構件31和第二構件32的下表面以及與第一構件31和第二構件32的下表面聯接的、鎖定構件72的上表面處。齒31a、32a和72a形成在相對於第一構件31和第二構件32的中心和鎖定構件72的中心的徑向方向上，並且以圓周方向佈置。齒31a、32a和72a的數量可根據分度條件調整。 On the other hand, the teeth 31a, 32a, and 72a coupled to each other to fix the rotation of the table 13 are formed on the lower surfaces of the first member 31 and the second member 32 and coupled to the lower surfaces of the first member 31 and the second member 32. At the upper surface of the locking member 72. The teeth 31a, 32a, and 72a are formed in a radial direction with respect to the center of the first member 31 and the second member 32 and the center of the locking member 72, and are arranged in the circumferential direction. The number of teeth 31a, 32a, and 72a can be adjusted according to the indexing conditions.

為了在工件固定至工作臺13時將根據本發明的具有上述配置的回轉台10用作回轉台，首先，向第一操作壓力施加部76供應預定氣壓或液壓，以使得鎖定構件72下降並與第一構件31和第二構件32分離，由此使彼此相對應的齒31a、32a和齒72a互相分離。 In order to use the turntable 10 according to the present invention having the above configuration as a turntable when the workpiece is fixed to the table 13, first, a predetermined air pressure or hydraulic pressure is supplied to the first operating pressure applying portion 76, so that the locking member 72 is lowered and associated with The first member 31 and the second member 32 are separated, thereby separating the teeth 31a, 32a and the teeth 72a corresponding to each other from each other.

在該狀態下，當電機15c被驅動時，蝸桿15b和蝸輪15a旋轉，由此工作臺13旋轉。此時，由於第二軸承部40在安裝於工作臺13處的第一 構件31與安裝於主體11處的第二構件32之間進行支承，因此工件安裝在工作臺13處且作用於主體11上的支承力能夠增加。 In this state, when the motor 15c is driven, the worm 15b and the worm wheel 15a rotate, whereby the table 13 rotates. At this time, since the second bearing portion 40 is first mounted at the table 13 The member 31 is supported between the member 31 and the second member 32 mounted at the main body 11, so that the workpiece is mounted at the table 13 and the supporting force acting on the main body 11 can be increased.

另外，在旋轉過程中，透過預負荷施加單元50將預負荷施加至第一軸承部50，因此，能夠最大限度地減少由於工作臺13的旋轉而導致的振動。當重量大的工件安裝在工作臺13上時，能夠減小根據工作臺13的旋轉的轉矩。 Further, during the rotation, the preload is applied to the first bearing portion 50 through the preload applying unit 50, so that the vibration due to the rotation of the table 13 can be minimized. When the workpiece having a large weight is mounted on the table 13, the torque according to the rotation of the table 13 can be reduced.

此外，有意將回轉台10用作分度工作臺時，透過作用於蝸輪15a上的角度檢測感測器16檢測所設置的旋轉角度的同時，向工作臺分度單元70的第二操作壓力施加部77供應相對高的氣壓或液壓，從而使鎖定構件72上升。相應地，第一構件31和第二構件32與鎖定構件72彼此緊密接觸，並且形成在它們相應的側面處的齒31a、32a與齒72a彼此聯接。此時，形成在第一構件31和第二構件32的下表面和鎖定構件72的上表面上的、彼此聯接的齒31a、32a和72a能夠增加它們之間的聯接力，且由此能夠精確地控制回轉台10的位置，即，分度位置。在這個過程中，顯然驅動部15不進行操作。在工作臺13旋轉之後的固定操作中，主體11固定至第二構件32，並且旋轉透過其上施加有固定力的鎖定構件72而被固定。在這個過程中，透過預負荷施加單元50將相對高的預負荷施加至第一軸承部20，從而能夠固定旋轉軸12的旋轉。 Further, when the turntable 10 is intentionally used as the indexing table, the second operation pressure is applied to the table indexing unit 70 while the angle detecting sensor 16 acting on the worm wheel 15a detects the set rotation angle. The portion 77 supplies a relatively high air pressure or hydraulic pressure to raise the locking member 72. Accordingly, the first member 31 and the second member 32 and the locking member 72 are in close contact with each other, and the teeth 31a, 32a and the teeth 72a formed at their respective sides are coupled to each other. At this time, the teeth 31a, 32a, and 72a formed on the lower surface of the first member 31 and the second member 32 and the upper surface of the locking member 72, which are coupled to each other, can increase the coupling force therebetween, and thus can be accurately The position of the turntable 10, that is, the indexing position, is controlled. In this process, it is apparent that the drive unit 15 does not operate. In the fixing operation after the rotation of the table 13, the main body 11 is fixed to the second member 32, and the rotation is fixed by the locking member 72 to which the fixing force is applied. In this process, a relatively high preload is applied to the first bearing portion 20 through the preload applying unit 50, so that the rotation of the rotating shaft 12 can be fixed.

另一方面，在施加強的預負荷時防止主體11變形並維持精度的止推軸承80安裝在工作臺13的下部與主體11之間。 On the other hand, the thrust bearing 80 that prevents deformation of the main body 11 and maintains accuracy when a strong preload is applied is installed between the lower portion of the table 13 and the main body 11.

如上所述，根據本發明的用於加工工件的回轉台能夠使用於固定工件的工作臺旋轉，並且還能夠以預定角度固定工作臺。因此，能夠同時滿足回轉台和分度工作臺的常規功能。 As described above, the turntable for processing a workpiece according to the present invention can be used for the table rotation of the fixed workpiece, and can also fix the table at a predetermined angle. Therefore, it is possible to simultaneously satisfy the conventional functions of the turntable and the indexing table.

雖然示出並描述了本發明的一些實施方式，但是本領域技術人員將理解，在不背離本發明的原則和精神的情況下，可對這些實施方式進行改變，本發明的範圍限定於權利要求及它們的等同項中。 While some embodiments of the present invention have been shown and described, it will be understood by those skilled in the art And their equivalents.

Claims (4)

一種用於加工工件的回轉台，包括：主體(11)；旋轉軸(12)，在所述主體處安裝成能夠透過第一軸承部(20)旋轉；工作臺，安裝在所述旋轉軸(12)處，並且所述工件安裝在所述工作臺上；第一構件(31)，安裝在所述工作臺的下側以與所述工作臺一同旋轉；驅動部(15)，配置成驅動安裝在所述主體(11)的中心處的所述旋轉軸(12)；第二構件(32)，與所述第一構件(31)對應地安裝在所述主體(11)處；第二軸承部(40)，安裝在所述第一構件(31)與所述第二構件(32)之間；預負荷施加單元(50)，配置成向相對於所述主體支承所述旋轉軸(12)的所述第一軸承部(20)施加預負荷；以及工作臺分度單元，所述工作臺分度單元安裝在所述第一構件(31)所述第二構件(32)的下方的所述工作臺處，以預定角度固定所述工作臺；其中，所述工作臺分度單元包括：鎖定基座構件(71)，在所述第一構件(31)和所述第二構件(32)的下方，且位於所述工作臺與所述主體(11)之間，安裝在所述工作臺或所述主體處以與所述工作臺一同旋轉；鎖定構件(72)，安裝在所述工作臺處以在所述鎖定基座構件(71)與所述第一構件(31)和所述第二構件(32)之間進行升降，在所述第一構件(31)與所述鎖定構件(72)之間形成第一圓柱體部(74)，並且在所述鎖定基座構件(71)與所述鎖定構件(72)之間形成第二圓柱體部(73)；第一操作壓力施加部(76)，安裝在所述主體(11)處以向所述第一圓柱體部(74)供應氣壓或液壓，使得所述鎖定構件(72)下降並與所述第一構件(31)和所述第二構件(32)分離，且允許所述工作臺旋轉；以及第二操作壓力施加部(77)，向所述第二圓柱體部(73)供應氣壓或液壓，使得所述鎖定構件(72)上升並聯接至所述第一構件(31)和所述第二構件(32)，並且使所述工作臺的旋轉被固定。 A rotary table for machining a workpiece, comprising: a main body (11); a rotating shaft (12) mounted at the main body to be rotatable through the first bearing portion (20); and a table mounted on the rotating shaft ( 12), and the workpiece is mounted on the table; a first member (31) is mounted on a lower side of the table to rotate together with the table; and a driving portion (15) configured to be driven a rotating shaft (12) installed at a center of the main body (11); a second member (32) mounted at the main body (11) corresponding to the first member (31); a bearing portion (40) mounted between the first member (31) and the second member (32); a preload applying unit (50) configured to support the rotating shaft relative to the body ( The first bearing portion (20) of 12) applies a preload; and a table indexing unit that is mounted below the second member (32) of the first member (31) The workbench is fixed at a predetermined angle; wherein the work table indexing unit comprises: a lock base member (71) at the first member (31) Below the second member (32), between the table and the body (11), mounted at the table or the body to rotate together with the table; locking member (72) Mounted at the table to lift and lower between the lock base member (71) and the first member (31) and the second member (32), in the first member (31) Forming a first cylindrical portion (74) with the locking member (72), and forming a second cylindrical portion (73) between the locking base member (71) and the locking member (72) a first operating pressure applying portion (76) mounted at the main body (11) to supply air pressure or hydraulic pressure to the first cylindrical portion (74) such that the locking member (72) descends and The first member (31) and the second member (32) are separated and allow the table to rotate; and a second operating pressure applying portion (77) supplies air pressure to the second cylindrical portion (73) or The hydraulic pressure causes the locking member (72) to rise and couple to the first member (31) and the second member (32), and the rotation of the table is fixed. 如請求項1所述之回轉台，其中，所述預負荷施加單元(50)包括：圓柱體部，形成在與所述第一軸承部(20)的外輪的上表面側或下表面側對應的側面，以向所述第一軸承部(20)的外輪施加預負荷；以及操作壓力施加部，向所述圓柱體部施加氣壓或液壓，以使得活塞衝壓所述第一軸承部(20)的外輪，並且向所述第一軸承部(20)施加預負荷。 The turntable according to claim 1, wherein the preload applying unit (50) includes a cylindrical portion formed to correspond to an upper surface side or a lower surface side of the outer wheel of the first bearing portion (20) a side surface to apply a preload to the outer wheel of the first bearing portion (20); and an operating pressure applying portion to apply air pressure or hydraulic pressure to the cylindrical portion to cause the piston to punch the first bearing portion (20) The outer wheel and a preload is applied to the first bearing portion (20). 如請求項1或2所述之回轉台，其中，彼此聯接的齒形成在所述第一構件(31)和所述第二構件(32)上以及所述鎖定構件(72)的上表面上，其中，所述鎖定構件(72)聯接至所述第一構件和所述第二構件。 The turntable according to claim 1 or 2, wherein teeth coupled to each other are formed on the first member (31) and the second member (32) and on an upper surface of the locking member (72) Wherein the locking member (72) is coupled to the first member and the second member. 如請求項1或2所述的回轉台，其中，所述鎖定基座構件(90)包括：固定部(91)，固定至所述主體(11)；以及升降引導部(92)，在所述鎖定構件進行升降時引導環狀的所述鎖定構件(72)。 The turntable according to claim 1 or 2, wherein the lock base member (90) includes: a fixing portion (91) fixed to the main body (11); and a lifting guide portion (92) The locking member (72) that guides the ring when lifting and lowering is performed.
TW106115817A 2016-05-12 2017-05-12 Rotary table for machining workpiece TWI647055B (en)

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