CN103122982B - A kind of intermittent type rotational motion mechanism - Google Patents
A kind of intermittent type rotational motion mechanism Download PDFInfo
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- CN103122982B CN103122982B CN201110372916.6A CN201110372916A CN103122982B CN 103122982 B CN103122982 B CN 103122982B CN 201110372916 A CN201110372916 A CN 201110372916A CN 103122982 B CN103122982 B CN 103122982B
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Abstract
本发明公开了一种间歇式旋转运动机构。其包括一旋转体，所述旋转体的周缘设有至少一个受力面，所述受力面距离旋转体的旋转轴线自远至近变化；还包括至少两个直线往复运动机构，布置在旋转体的周侧，且相邻两直线往复运动机构的轴线之间的夹角等于受力面远端侧与近端侧之间的夹角；每一直线往复运动机构在前进过程中，其前端依序与一个受力面接触而推动旋转体转动。本发明能把直线往复运动转换成间歇式旋转运动，给目前的机械行业应用提供有益的补充，同时也具有一定的学术意义。<pb pnum="1" />
The invention discloses an intermittent rotary motion mechanism. It includes a rotating body, the periphery of the rotating body is provided with at least one force-bearing surface, and the distance from the force-bearing surface to the rotation axis of the rotating body changes from far to near; it also includes at least two linear reciprocating mechanisms, arranged on the rotating body , and the angle between the axes of two adjacent linear reciprocating mechanisms is equal to the angle between the distal side and the proximal side of the force-bearing surface; each linear reciprocating mechanism is in the process of advancing, and its front end depends on The sequence is in contact with a force-bearing surface to push the rotating body to rotate. The invention can convert linear reciprocating motion into intermittent rotary motion, provides beneficial supplements to the current mechanical industry applications, and also has certain academic significance. <pb pnum="1"/>
Description
技术领域 technical field
本发明涉及一种旋转运动机构，具体涉及一种将直线往复运动转换成间歇式旋转运动的运动机构。The invention relates to a rotary motion mechanism, in particular to a motion mechanism for converting linear reciprocating motion into intermittent rotary motion.
背景技术 Background technique
机械行业中常用的几种间歇式运动机构分别为：凸轮式间歇运动机构、槽轮机构、棘轮机构、不完全齿轮机构以及针轮机构。这几种机构的主要功能是将连续旋转运动转换为间歇旋转运动。目前，还没有把直线运动转化为间歇旋转运动的运动机构出现。Several intermittent motion mechanisms commonly used in the machinery industry are: cam type intermittent motion mechanism, sheave mechanism, ratchet mechanism, incomplete gear mechanism and pinwheel mechanism. The main function of these mechanisms is to convert continuous rotary motion into intermittent rotary motion. At present, there is no kinematic mechanism that converts linear motion into intermittent rotary motion.
发明内容 Contents of the invention
本发明的目的在于针对现有技术的不足之处，提供一种间歇式旋转运动机构，其可将直线运动转换成间歇式旋转运动。The object of the present invention is to address the shortcomings of the prior art and provide an intermittent rotary motion mechanism, which can convert linear motion into intermittent rotary motion.
为达到上述目的，本发明采用如下技术方案：To achieve the above object, the present invention adopts the following technical solutions:
一种间歇式旋转运动机构，包括一旋转体，所述旋转体的周缘设有至少一个受力面，所述受力面距离旋转体的旋转轴线自远至近变化；还包括至少两个直线往复运动机构，布置在旋转体的周侧，且相邻两直线往复运动机构的轴线之间的夹角等于受力面远端侧与近端侧之间的夹角；每一直线往复运动机构在前进过程中，其前端依序与一个受力面接触而推动旋转体转动。An intermittent rotary motion mechanism, comprising a rotating body, the periphery of the rotating body is provided with at least one force-bearing surface, and the distance from the force-bearing surface to the rotation axis of the rotating body changes from far to near; it also includes at least two linear reciprocating The motion mechanism is arranged on the peripheral side of the rotating body, and the angle between the axes of two adjacent linear reciprocating motion mechanisms is equal to the angle between the distal side and the proximal side of the force-bearing surface; each linear reciprocating motion mechanism is During the forward process, its front end contacts with a force-bearing surface in sequence to push the rotating body to rotate.
作为优选，所述旋转体的周缘等夹角设有至少两个受力面。Preferably, at least two force-receiving surfaces are provided at an included angle such as the periphery of the rotating body.
进一步优选，所述旋转体的周缘等夹角设置至少两个齿，所述至少两个受力面分别形成在一个齿的齿廓上。Further preferably, at least two teeth are arranged at equal angles on the periphery of the rotating body, and the at least two force-bearing surfaces are respectively formed on the tooth profile of one tooth.
作为优选，所述至少两个直线往复运动机构的轴线均与旋转体的旋轴轴线垂直并相交。Preferably, the axes of the at least two linear reciprocating mechanisms are perpendicular to and intersect with the rotation axis of the rotating body.
作为优选，所述直线往复运动机构的前端设置一滚轮。Preferably, a roller is provided at the front end of the linear reciprocating mechanism.
作为优选，所述直线往复运动机构为液压缸、气缸或电动缸。Preferably, the linear reciprocating mechanism is a hydraulic cylinder, an air cylinder or an electric cylinder.
作为一种选择，所述直线往复运动机构的数量为两个。As an option, the number of the linear reciprocating mechanism is two.
作为另一种选择，所述旋转体的周缘设有一个受力面，所述直线往复运动机构的数量为n，其中n＝360度/受力面远端侧与近端侧之间的夹角度数，且n为自然数。As another option, a force-bearing surface is provided on the periphery of the rotating body, and the number of the linear reciprocating mechanisms is n, wherein n=360 degrees/clip between the distal side and the proximal side of the force-bearing surface Angle number, and n is a natural number.
本发明通过采用上述结构，能把直线往复运动转换成间歇式旋转运动，给目前的机械行业应用提供有益的补充，同时也具有一定的学术意义。By adopting the above-mentioned structure, the present invention can convert linear reciprocating motion into intermittent rotary motion, which provides a beneficial supplement to the current application in the machinery industry, and also has certain academic significance.
附图说明 Description of drawings
图1是本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
图2是本发明的动作过程图。Fig. 2 is a diagram of the operation process of the present invention.
图中：In the picture:
1-旋转体；11-齿；12-受力面；121-远端侧；122-近端侧；2-第一直线往复运动机构；21-第一直线往复运动机构的轴线；3-第二直线往复运动机构；31-第二直线往复运动机构的轴线；4-滚轮。1-rotating body; 11-tooth; 12-force surface; 121-distal side; 122-proximal side; 2-the first linear reciprocating mechanism; 21-the axis of the first linear reciprocating mechanism; 3 - the second linear reciprocating mechanism; 31 - the axis of the second linear reciprocating mechanism; 4 - the roller.
现结合附图和实施例对本发明作进一步说明。The present invention will be further described in conjunction with accompanying drawing and embodiment now.
具体实施方式 Detailed ways
如图1所示，本实施例所述的一种间歇式旋转运动机构，由一个旋转体1和两个直线往复运动机构组成。As shown in FIG. 1 , an intermittent rotary motion mechanism described in this embodiment is composed of a rotating body 1 and two linear reciprocating motion mechanisms.
所述旋转体1的周缘等夹角(90度)设置四个齿11，每个齿11的齿廓的一侧形成有一个受力面12。每个受力面距离旋转体1的旋转轴线O-O’自远至近变化，其远端侧121和近端侧122之间的夹角α均是45度(即远端侧和近端侧与旋转轴线O-O’的连线之间的夹角)。Four teeth 11 are arranged at an equal angle (90 degrees) on the periphery of the rotating body 1 , and a force-receiving surface 12 is formed on one side of the tooth profile of each tooth 11 . Each force-bearing surface changes from far to near the axis of rotation OO' of the rotating body 1, and the angle α between the distal side 121 and the proximal side 122 is 45 degrees (that is, the distal side and the proximal side and the angle between the line connecting the axis of rotation OO').
两个直线往复运动机构分为第一直线往复运动机构2和第二直线往复运动机构3，且均为气缸(也可以是液压缸，电动缸等作直线往复运动的机构)。两个直线往复运动机构的轴线21和31均与旋转体1的旋轴轴线O-O’垂直并相交，且两轴线之间的夹角β等于受力面12的远端侧121和近端侧122之间的夹角α，即为45度。第一直线往复运动机构2和第二直线往复运动机构3的活塞杆前端均设置有一个滚轮4。Two linear reciprocating mechanisms are divided into the first linear reciprocating mechanism 2 and the second linear reciprocating mechanism 3, and both are air cylinders (also hydraulic cylinders, electric cylinders, etc. are linear reciprocating mechanisms). The axes 21 and 31 of the two rectilinear reciprocating mechanisms are perpendicular to and intersect with the rotation axis OO' of the rotating body 1, and the angle β between the two axes is equal to the distal side 121 and the proximal side of the force-bearing surface 12 The angle α between the sides 122 is 45 degrees. A roller 4 is provided at the front ends of the piston rods of the first linear reciprocating mechanism 2 and the second linear reciprocating mechanism 3 .
本实施例的动作过程如下：The action process of this embodiment is as follows:
如图2所示，当第一直线往复运动机构2的活塞杆伸出向左运动时，其活塞杆前端的滚轮4顶抵在旋转体1齿11上的受力面12的远端侧上，随着活塞杆进一步向左运动，推动旋转体1绕旋转轴线O-O’逆时针转动，当第一直线往复运动机构2的活塞杆走到行程终点(即受力面12的近端侧)时旋转体1停止转动并被固定在当时的位置上，其时旋转体1逆时针旋转了45度角。按照使用要求，旋转体停止一定时间后，第一直线往复运动机构2的活塞杆向右退后，而此时第二直线往复运动机构3的活塞杆伸出前进，继续推动旋转体逆时针转动，同样旋转45度角后停止。如此，在第一直线往复运动机构2和第二直线往复运动机构3交替动作下，即可则实现旋转体间歇式的旋转运动。通过在旋转体1设置输出轴或与旋转体1上的齿啮合，即可将旋转体的该间歇式旋转驱动力输出至其它动作机构。As shown in Figure 2, when the piston rod of the first linear reciprocating mechanism 2 stretches out and moves to the left, the roller 4 at the front end of the piston rod abuts against the distal side of the force-bearing surface 12 on the tooth 11 of the rotating body 1 , as the piston rod moves further to the left, the rotating body 1 is pushed to rotate counterclockwise around the rotation axis OO', when the piston rod of the first linear reciprocating mechanism 2 reaches the end of the stroke (that is, the proximal end of the force surface 12 side) when the rotating body 1 stops rotating and is fixed on the current position, at this time the rotating body 1 has rotated 45 degrees counterclockwise. According to the requirements of use, after the rotating body stops for a certain period of time, the piston rod of the first linear reciprocating mechanism 2 retreats to the right, and at this time, the piston rod of the second linear reciprocating mechanism 3 stretches out and advances, and continues to push the rotating body counterclockwise Rotate, stop after rotating 45 degree angles equally. In this way, under the alternate action of the first linear reciprocating mechanism 2 and the second linear reciprocating mechanism 3 , intermittent rotary motion of the rotating body can be realized. By providing an output shaft on the rotating body 1 or meshing with the teeth on the rotating body 1, the intermittent rotational driving force of the rotating body can be output to other operating mechanisms.
在本实施中，旋转体的周缘设有四个齿，则每次旋转45度角后停止，旋转体旋转一周共停止8次。如果改变周缘齿的个数，则可以改变旋转运动的分度数。In this implementation, four teeth are provided on the periphery of the rotating body, and it stops after each rotation of 45 degrees, and the rotating body stops 8 times in one rotation. If the number of peripheral teeth is changed, the number of divisions of the rotary motion can be changed.
本发明的主动的直线运动与从动的旋转运动之间，它们的位移、速度和受力均存在一定的函数关系，此函数关系由齿上的受力面决定，合理的设计此受力面即可达到实际使用时所需的要求。Between the active linear motion and the driven rotary motion of the present invention, there is a certain functional relationship between their displacement, speed and force. This functional relationship is determined by the force-bearing surface on the tooth, and the force-bearing surface is reasonably designed. The requirements required for actual use can be met.
此外，本发明的旋转体的周缘亦可只设置一个受力面，并在旋转体的周侧等夹角布置n个直线往复运动机构，n＝360度/受力面远端侧与近端侧之间的夹角度数，且n为自然数。如，该受力面的远端侧与近端侧之间的夹角为45度，则n＝8。通过该8个直线往复运动机构依序的直线往复运动，同样能使旋转体作间歇式旋转运动。In addition, only one force-bearing surface may be provided on the periphery of the rotating body of the present invention, and n linear reciprocating mechanisms are arranged at equal angles around the periphery of the rotating body, n=360 degrees/the distal side and the proximal end of the force-bearing surface The included angle between sides, and n is a natural number. For example, the angle between the distal side and the proximal side of the force-bearing surface is 45 degrees, then n=8. The sequential linear reciprocating motion of the eight linear reciprocating mechanisms can also make the rotating body perform intermittent rotary motion.
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| CN201110372916.6A CN103122982B (en) | 2011-11-21 | 2011-11-21 | A kind of intermittent type rotational motion mechanism |
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| WO2019056635A1 (en) * | 2017-09-25 | 2019-03-28 | 中车株洲电力机车有限公司 | Railway vehicle coupler rotary centring mechanism, control system and vehicle rescue method |
| CN108313685B (en) * | 2018-03-27 | 2024-04-05 | 东风汽车底盘系统有限公司 | Workpiece overturning and conveying device |
| CN109043970B (en) * | 2018-06-27 | 2020-06-26 | 浙江自由家居用品制造有限公司 | Display device for handicraft sale |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1598463A (en) * | 1977-04-13 | 1981-09-23 | Emi Ltd | Rotary drive mechanisms |
| SU739292A1 (en) * | 1977-12-15 | 1980-06-05 | Волгоградский Политехнический Институт | Device for converting motion into reversible rotary motion |
| SU1054608A1 (en) * | 1982-03-12 | 1983-11-15 | Предприятие П/Я А-7536 | Reciprocate-to-intermittent motion converting mechanism |
| SU1280250A1 (en) * | 1985-08-19 | 1986-12-30 | Предприятие П/Я Р-6896 | Device for converting reciprocating motion to step-by-step motion |
| CN2268813Y (en) * | 1996-01-04 | 1997-11-26 | 上海海声科技有限公司 | Interval movement mechanism |
| CN100567770C (en) * | 2007-10-17 | 2009-12-09 | 山东泉林包装有限公司 | A kind of conversion equipment of rectilinear movement to rotating motion |
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