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CN2711434Y - Joint angle fixed reciprocative rotation driven annular cylinder - Google Patents

Joint angle fixed reciprocative rotation driven annular cylinder Download PDF

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Publication number
CN2711434Y
CN2711434Y CN 200420007333 CN200420007333U CN2711434Y CN 2711434 Y CN2711434 Y CN 2711434Y CN 200420007333 CN200420007333 CN 200420007333 CN 200420007333 U CN200420007333 U CN 200420007333U CN 2711434 Y CN2711434 Y CN 2711434Y
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China
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cylinder
arc
cylinder body
shaped
joint
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CN 200420007333
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Inventor
范晋伟
关佳亮
王文超
骆琪
阮忠燕
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Beijing University of Technology
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Beijing University of Technology
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Abstract

关节定角往复回转驱动环形气缸属机械制造及自动化领域具体结构为:弧型主缸体和弧型前缸盖连接,形成以中心输出轴轴线为圆心的弧状气缸体滑道;弧型活塞可在气缸体方型滑道内滑动,环型活塞连杆与弧型活塞联接构成与气缸体滑道同心的圆型活塞连杆,环型活塞连杆的中心处设有一个带键槽的轴,通过连接键与外部输出轴连接,直接输出转矩。本实用新型可装配在需要往复转动的关节部位,直接输出回转力矩,驱动部件定角往复旋转;具有体积小,造价低、连接简单等特点。

Figure 200420007333

Joint fixed-angle reciprocating rotary drive annular cylinder belongs to the field of machinery manufacturing and automation. Sliding in the square slideway of the cylinder body, the ring-shaped piston connecting rod and the arc-shaped piston are connected to form a circular piston connecting rod concentric with the cylinder block slideway. A shaft with a keyway is arranged at the center of the ring-shaped piston connecting rod. The connection key is connected with the external output shaft to directly output the torque. The utility model can be assembled on joints that need reciprocating rotation, directly output the turning torque, and drive parts to reciprocate at a fixed angle; it has the characteristics of small volume, low cost and simple connection.

Figure 200420007333

Description

The joint is decided the angle reciprocating rotating and is driven circular cylinder
Technical field
A kind of joint is decided the angle reciprocating rotating and is driven cylinder, belongs to the Mechanical Manufacturing and Automation field, is mainly used in the mechanical systems such as articulated robot, electronic chip positioning means and production line for automatically assembling.
Background technique
Complicated many rotatingshafts movable machineries such as each robotlike of machine building industry, wrapping machine, automatic loading/unloading and automatic assembling mechanism have been widely used in the various piece of automatic production line at present, become the key link that realizes mechanical automation, in the joint part design of these complicated multi-joint mechanical mechanisms, mainly adopt the linear reciprocating cylinder to drive eccentric wheel and realize the joint rotation motion.The linear reciprocation rotary cylinder as shown in Figure 3,8 is air inlet/outlet among the figure, 19 is front cover, 20 is cylinder block, 21 is piston ring, 22 is rear end cover, and 23 is piston rod, and its working principle is for to move by the axial direction linear reciprocation of the pressure difference piston rod 23 between the air inlet/outlet 8 along cylinder block 20; Characteristics such as this driving mode has simple in structure, and cost is cheap relatively, but when the driving rotational joint, also need to adopt eccentric center principle, straight line motion is converted to rotation motion.There are several problems in this joint driving mode: first structure is difficult to realize exquisitenessization, and straight line cylinder will have fulcrum and the eccentric point that promotes, and promotes the joint revolution and also need the incision angle that keeps certain, causes structure huge; It two is that this class driving structure angle of revolution is limited, and is easy to generate the problem at dead point, joint.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technological deficiency, has proposed a kind ofly can directly export flywheel moment, and driver part is decided the angle and back and forth decide angle reciprocating rotating driving circular cylinder in the joint of rotation.
Structure and running principle that the angle reciprocating rotating drives circular cylinder are decided in the joint that the utility model proposes can be referring to accompanying drawing 1, Fig. 2 and Fig. 3, it is by the camber Master cylinder body 4 that is the arc form in the center of circle with the set point that angle reciprocating rotating driving cylinder is decided in joint of the present utility model, and concentric camber piston 2 that matches with camber Master cylinder body 4 slideways 17 and ring-like piston rod 7 constitute.Concrete structure is: cylinder body is two parts up and down to dig by slideway and the plane vertical with rotor shaft direction, be respectively camber Master cylinder body 4 and camber front end housing 10, both link together by cylinder body clamping bolt 9 by shown in Figure 2, and forming with center output shaft 13 axis is the arcuation cylinder block slideway 17 in the center of circle; On the junction plane between camber Master cylinder body 4 and the camber front end housing 10, be provided with cylinder body sealing gasket 11, and adopted folding structure to keep the tightness of cylinder body, see accompanying drawing 3.Camber piston 2 can slide in cylinder block square slideway 17, ring-like piston rod 7 and camber piston 2 connect by piston attachment bolt 16 and constitute the round piston rod concentric with cylinder block slideway 17, the center of ring-like piston rod 7 is provided with the axle 15 of a band keyway, be connected with outside output shaft 13 by connecting key 14, thereby directly export torque; Also be provided with left side cylinder cap 5 and right side cylinder cap 18 at the two ends of camber Master cylinder body 4, link together by side cylinder cap clamping bolt 12 and Master cylinder body 4, the place is provided with side cylinder cap sealing gasket 6 at the connection junction plane, with the tightness that keeps cylinder body and side cylinder cap to connect; Each side cylinder cap center all offers a center hole, and the center hole that makes ring-like piston rod 7 can pass the side cylinder cap outwards transmits the power that the cylinder body inner carrier produces.Respectively establish an air inlet/outlet 8 at the two ends of camber Master cylinder body 4, be used for the input and output pressurized gas, under the effect of two air inlet/outlet gas pressure difference, can make camber piston 2 in camber Master cylinder body 4 along 17 to-and-fro motion of cylinder block slideway.Side in camber cylinder block 4 is evenly distributed with two plates 1 along the circular arc direction, is used for installing and fixing cylinder block 4.
Angle reciprocating rotating driving circular cylinder is decided in the joint of the above-mentioned proposition of the utility model can be assemblied in the joint part that robot, production line for automatically assembling etc. need reciprocal rotation, directly export flywheel moment, driver part is decided the angle and is back and forth rotated, it is little to have volume, cost is low, the connection characteristic of simple, reduce the structural complexity of automatic greatly, reduce the global design and the lead time of automatic assembly machine, improve the reliability of integral product.
Description of drawings
Angle reciprocating rotating circular cylinder front view is decided in the joint that Fig. 1 the utility model proposes
Among the figure 1, axle 16, piston attachment bolt 17, cylinder block square slideway 18, the right side cylinder cap of plate 2, camber piston 3, side cylinder cap seal ring 4, camber Master cylinder body 5, left side cylinder cap 6, side cylinder cap sealing gasket 7, ring-like piston rod 8, air inlet/outlet side 12, cylinder cap clamping bolt 13, outside output shaft 15, band keyway;
Fig. 2 decides in joint of the present utility model angle reciprocating rotating circular cylinder side view
Among the figure 10, camber front end housing 11, cylinder body sealing gasket 14, connecting key;
Fig. 3 decides in joint of the present utility model the camber Master cylinder body 4 of angle reciprocating rotating circular cylinder and the folding connecting structure enlarged view of camber front end housing 10;
The reciprocating linear type that Fig. 4 is traditional drives the cylinder schematic representation
Among the figure 8, air inlet/outlet 19, front cover 20, cylinder block 21, piston ring 22, rear end cover 23 piston rods;
Fig. 5 embodiment illustrates illustration
Be Olympic Games boxer comprehensive simulation training boxing robot arm action control principle figure.
Embodiment
According to the described structure of Fig. 1-Fig. 3, adopt conventional mechanical link and Sealing, press the design of known technology means and constitute.
The joint that the utility model proposes is decided the angle reciprocating rotating and is driven cylinder, has been applied on the arm into " Olympic Games boxer comprehensive simulation training boxing robot " of General Administration of Sport's development, and its general function principle is seen accompanying drawing 5.This left and right arm of boxing robot has six joints, be respectively the big arm swing in a left side, hypozygal and right big arm swing about the big arm in a left side, on the left forearm, revolute joint about the right big arm, about the right forearm, all adopt the joint that the utility model proposes to decide the angle reciprocating rotating and driven the cylinder realization, make the robot arm configuration small and exquisite, cheap, and perfection realizes the robot punch action, reached very desirable effect.The air pump pressure that adopts in practicality is 8mp, by the single channel multiple-way valve to each cylinder conveying gas power, and determine the reciprocating rotating action of each rotary cylinder by solenoid directional control valve, adopted the transformer of 220V in the system to 24V, provide electric power to air pump and programmable controller, and control the logical weak point of the solenoid directional control valve in each joint by the working procedure of programmable controller, thereby the working condition of each cylinder of control robot left and right sides arm realizes the requirement action of robot arm.The center radius of curvature of employed cylinder block square slideway 17 is for being 55.5mm in the system, and its cross section rectangular cross-section is of a size of 21 * 14mm;
The joint that the utility model proposes is decided the angle reciprocating rotating and is driven circular cylinder, also can amplify in proportion and dwindle, form the product of seriation, be applied to different sizes, the various joint links of deciding angle reciprocating rotating driving device that different capacity requires have wide applications.If in design, move if adopt traditional servo-system to drive the joint reciprocating rotating, the cost that each turning axle needs is approximately on average about 20,000 yuan, and adopting the angular convolution rotaring cylinder of deciding that the utility model proposes to drive, cost only needs about 1,000 yuan, dwindles product cost greatly.
The joint that use the utility model proposes is decided the angle reciprocating rotating and is driven cylinder, makes robot cheap, structure and transmission exquisiteness, and be convenient to the installation of Various types of data pick-up transducers, reached very desirable effect.

Claims (6)

1、关节定角往复回转驱动环形气缸,包括有气缸体,将缸体内活塞产生的动力向外传送的活塞杆,在缸体的两端设置的缸盖,在缸体上设置的用于输入和输出高压气体的进出气孔,本发明的特征在于,是由以给定点为圆心的圆弧形式的弧型主缸体(4),与弧型主缸体(4)滑道(17)相配合的同心的弧型活塞(2)、和环型活塞连杆(7)构成;具体结构为:将汽缸体以通过滑道并与转轴方向垂直的平面刨为上下两个部分,分别为弧型主缸体(4)和弧型前缸盖(10),两者通过连接件连接在一起,形成以中心输出轴(13)的轴线为圆心的弧型气缸体滑道;弧型活塞(2)可在气缸体滑道内滑动,环型活塞连杆(7)与弧型活塞(2)通过连接件联接构成与气缸体滑道同心的环型活塞连杆,环型活塞连杆(7)的中心处设有一个带键槽的轴(15),通过连接键(14)与外部输出轴(13)连接,从而直接输出转矩;并采用紧固件将弧型主缸体(4)与在其两端设置的左侧缸盖(5)和右侧缸盖(18)连接在一起。1. Joint fixed-angle reciprocating rotary drive ring cylinder, including cylinder body, piston rod that transmits the power generated by the piston in the cylinder body to the outside, cylinder heads set at both ends of the cylinder body, and cylinder heads set on the cylinder body for The inlet and outlet air holes for input and output high-pressure gas are characterized in that they are arc-shaped main cylinder body (4) with a given point as the center of the circle, and the arc-shaped main cylinder body (4) slideway (17) The matching concentric arc-shaped piston (2) and the ring-shaped piston connecting rod (7) are composed; the specific structure is: the cylinder block is divided into upper and lower parts by a planer passing through the slideway and perpendicular to the direction of the rotating shaft, which are respectively The arc-shaped main cylinder block (4) and the arc-shaped front cylinder head (10) are connected together by connecting pieces to form an arc-shaped cylinder block slideway centered on the axis of the central output shaft (13); the arc-shaped piston (2) It can slide in the slideway of the cylinder block. The ring-shaped piston connecting rod (7) and the arc-shaped piston (2) are connected by connecting pieces to form a ring-shaped piston connecting rod concentric with the slideway of the cylinder block. The ring-shaped piston connecting rod ( 7) There is a shaft (15) with a keyway at the center, which is connected with the external output shaft (13) through the connecting key (14), so as to directly output the torque; and the arc-shaped main cylinder body (4 ) is connected together with the left side cylinder cover (5) and the right side cylinder cover (18) arranged at its two ends. 2、根据权利要求1所述的关节定角往复回转驱动环形气缸,其特征在于,在弧型主缸体(4)和弧型前缸盖(10)之间的结合面上采用了折叠结构并设有橡胶夹层式的缸体密封垫(11),通过缸体紧固螺栓(9)连接在一起。2. The joint-fixed-angle reciprocating rotary drive annular cylinder according to claim 1, characterized in that a folding structure is adopted on the joint surface between the arc-shaped main cylinder body (4) and the arc-shaped front cylinder head (10) And be provided with the cylinder body sealing pad (11) of rubber interlayer type, be connected together by cylinder body fastening bolt (9). 3、根据权利要求1或2所述的关节定角往复回转驱动环形气缸,其特征在于,左侧缸盖(5)和右侧缸盖(18)与主缸体(4)的联接结合面处设有侧缸盖密封垫(6),并通过紧固螺栓(12)将侧缸盖(18)与主缸体(4)连接在一起;每个侧缸盖中心处均开设有一个中心孔,使得环型活塞连杆(7)可以穿过侧缸盖的中心孔将缸体内活塞产生的动力向外传送。3. The joint-fixed-angle reciprocating rotary drive annular cylinder according to claim 1 or 2, characterized in that the connecting surface between the left cylinder head (5) and the right cylinder head (18) and the main cylinder body (4) There is a side cylinder head gasket (6), and the side cylinder head (18) and the main cylinder body (4) are connected together by fastening bolts (12); each side cylinder head has a center hole, so that the annular piston connecting rod (7) can pass through the central hole of the side cylinder head to transmit the power generated by the piston in the cylinder to the outside. 4、根据权利要求3所述的关节定角往复回转驱动环形气缸,其特征在于在弧型主缸体(4)的两端各设有一个用于输入和输出高压气体的进出气孔(8),在两个进出气孔气体压力差的作用下,可使弧型活塞(2)在弧型主缸体(4)内沿着气缸体滑道(17)往复运动。4. According to claim 3, the fixed-angle joint reciprocating rotary drive annular cylinder is characterized in that an inlet and outlet air hole (8) for inputting and outputting high-pressure gas is provided at both ends of the arc-shaped main cylinder body (4). , under the effect of the gas pressure difference between the two inlet and outlet holes, the arc-shaped piston (2) can be reciprocated in the arc-shaped main cylinder body (4) along the cylinder block slideway (17). 5、根据权利要求1所述的关节定角往复回转驱动环形气缸,其特征在于,弧型主缸体(4)和弧型前缸盖(10)连接在一起,形成了以中心输出轴(13)的轴线为圆心的弧型气缸体方型滑道(17)。5. The joint-fixed-angle reciprocating rotary drive annular cylinder according to claim 1, characterized in that the arc-shaped main cylinder body (4) and the arc-shaped front cylinder head (10) are connected together to form a central output shaft ( 13) the axis is the arc cylinder block square slideway (17) of the center of circle. 6、根据权利要求1所述的关节定角往复回转驱动环形气缸,其特征在于,在弧型气缸体(4)的侧面沿圆弧方向均匀布有两个用来安装固定气缸体的联接片(1)。6. The joint fixed-angle reciprocating rotary drive annular cylinder according to claim 1, characterized in that, on the side of the arc-shaped cylinder body (4), there are two connecting pieces evenly distributed along the arc direction for installing and fixing the cylinder body (1).
CN 200420007333 2004-03-19 2004-03-19 Joint angle fixed reciprocative rotation driven annular cylinder Expired - Lifetime CN2711434Y (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1327140C (en) * 2004-03-19 2007-07-18 北京工业大学 Joint fixed lead reciprocating, rotary driving annular cylinder
CN101691867B (en) * 2009-10-13 2011-06-22 上海理工大学 Gas discharging structure of double-ring type rotary type compressor cylinder
CN106499679A (en) * 2016-12-02 2017-03-15 合肥瑞硕科技有限公司 A kind of revolute joint's driving means

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1327140C (en) * 2004-03-19 2007-07-18 北京工业大学 Joint fixed lead reciprocating, rotary driving annular cylinder
CN101691867B (en) * 2009-10-13 2011-06-22 上海理工大学 Gas discharging structure of double-ring type rotary type compressor cylinder
CN106499679A (en) * 2016-12-02 2017-03-15 合肥瑞硕科技有限公司 A kind of revolute joint's driving means

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Effective date of abandoning: 20040319

C25 Abandonment of patent right or utility model to avoid double patenting