CN105710026B - A kind of Three-freedom-degree hybrid vibrating screen separating device - Google Patents
A kind of Three-freedom-degree hybrid vibrating screen separating device Download PDFInfo
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- CN105710026B CN105710026B CN201610270630.XA CN201610270630A CN105710026B CN 105710026 B CN105710026 B CN 105710026B CN 201610270630 A CN201610270630 A CN 201610270630A CN 105710026 B CN105710026 B CN 105710026B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/08—Screens rotating within their own plane
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
- B07B1/16—Apparatus having only parallel elements the elements being movable and in other than roller form
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
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Abstract
本发明公开了一种三自由度混联振动筛分机构，涉及振动筛分领域，其主要用于物料的筛分清选，包括筛架、平面多杆机构、动台面和串联支链等。本筛分机构采用直线电机提供所需动力，本发明具有两个平移和一个转动共三个自由度，能使筛框中的物料颗粒充分翻转筛分，减少了筛孔被“筛粒“卡住的现象，可实现对物料的高效筛分，解决了工农业中物料清选不充分的问题，提高了筛分效率和整个筛机的生产率。
The invention discloses a three-degree-of-freedom mixed-connected vibration screening mechanism, which relates to the field of vibration screening and is mainly used for screening and cleaning materials, including a screen frame, a planar multi-rod mechanism, a moving table, and series branch chains. The screening mechanism uses a linear motor to provide the required power. The present invention has three degrees of freedom of two translations and one rotation, which can fully turn and screen the material particles in the screen frame, reducing the sieve holes being stuck by "sieve particles" The phenomenon of living can realize high-efficiency screening of materials, solve the problem of insufficient material cleaning in industry and agriculture, and improve the screening efficiency and the productivity of the entire screening machine.
Description
技术领域technical field
本发明属于振动筛分领域，具体涉及一种三自由度混联振动筛分装置。The invention belongs to the field of vibration screening, in particular to a three-degree-of-freedom hybrid vibration screening device.
背景技术Background technique
目前，振动筛在能源、冶金、陶瓷、建材、化工以及农业上应用十分广泛，但现有的振动筛主要是圆振动筛和直线振动筛，由惯性激振器来产生振动，结构复杂，其筛面运动轨迹近似为圆或直线，由于均为一维运动，且振幅小，物料翻滚不充分，筛孔易被“筛粒”卡住，从而导致筛分效率较低，筛分耗时较长。At present, vibrating screens are widely used in energy, metallurgy, ceramics, building materials, chemical industry and agriculture. However, the existing vibrating screens are mainly circular vibrating screens and linear vibrating screens. The motion track of the screen surface is approximately circular or straight line. Since the motion is one-dimensional and the amplitude is small, the material tumbling is not sufficient, and the screen holes are easily stuck by "sieve particles", resulting in low screening efficiency and time-consuming screening. long.
本发明设计的一种三自由度混联振动筛分装置，其输出运动为两个平移、一个转动，且各振动方向的振幅、频率等可以自由调节，适用于垂直方向空间较小的场合。A three-degree-of-freedom hybrid vibrating screening device designed by the present invention has two translational and one rotational output motions, and the amplitude and frequency of each vibration direction can be adjusted freely, which is suitable for occasions where the space in the vertical direction is small.
发明内容Contents of the invention
本发明目是为了提供一种能够对物料筛分效果好，筛分效率高的三自由度筛分装置，以此来解决现在工矿业和农业等行业中物料筛分不充分的问题。The object of the present invention is to provide a three-degree-of-freedom screening device capable of screening materials with good screening effect and high screening efficiency, so as to solve the problem of insufficient screening of materials in industries such as industry, mining and agriculture.
为了达到上述目的，本发明采用的技术方案是：采用混联机构，利用混联机构所产生的两个平移和一个转动三个自由度，以实现物料在筛面上充分翻滚筛分，提高筛分效率。In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: adopt the hybrid mechanism, use two translation and one rotation three degrees of freedom generated by the hybrid mechanism to realize the full rolling and screening of materials on the screen surface and improve the screening efficiency. sub-efficiency.
实现本发明的具体方案是：一种三自由度混联振动筛分装置，其特征在于：包括构件一、转动副R1、连杆一、转动副R2、移动副P3、连杆二、连杆三、构件二、筛面、转动副R7、连杆四、构件三、转动副R8、构件四、移动副P5、移动副P4、转动副R3、连杆五、转动副R4、构件五、移动副P2、连杆六、转动副R6、连杆七、连杆八、机架、转动副R5、连杆九、移动副P1；所述的构件一与机架形成移动副P1，构件一通过转动副R1与连杆一相连接；所述的连杆一通过转动副R2与连杆二相连接；所述的连杆二通过转动副R3与连杆五相连接；所述的连杆五通过转动副R4与构件五相连接；所述的构件五与机架形成移动副P2；所述的构件四一端与连杆二形成移动副P5，另一端通过转动副R8与机架相连接；所述的连杆九一端与连杆二焊接，另一端与连杆七焊接；所述的连杆七一端与连杆九焊接，另一端与连杆六焊接；所述的连杆六一端与连杆七焊接，另一端与连杆二焊接；所述的构件二一端与连杆九形成移动副P3，另一端焊接在筛面上；所述的构件三一端与连杆六形成移动副P4，另一端焊接在筛面上；所述的连杆四一端与构件二焊接，另一端与构件三焊接；所述的连杆八通过转动副R5与连杆七连接；所述的连杆八通过转动副R6与连杆三连接；所述的连杆三通过转动副R7与连杆四连接。The specific scheme for realizing the present invention is: a three-degree-of-freedom hybrid vibration screening device, which is characterized in that it includes component one, rotating pair R1, connecting rod one, rotating pair R2, moving pair P3 , connecting rod two , Connecting rod 3, member 2, screen surface, rotating pair R 7 , connecting rod 4, member 3, rotating pair R 8 , member 4, moving pair P 5 , moving pair P 4 , rotating pair R 3 , connecting rod 5, rotating Pair R 4 , component five, moving pair P 2 , connecting rod six, rotating pair R 6 , connecting rod seven, connecting rod eight, frame, rotating pair R 5 , connecting rod nine, moving pair P 1 ; One forms a moving pair P1 with the frame, the first component is connected with the first connecting rod through the rotating pair R1; the first connecting rod is connected with the second connecting rod through the rotating pair R2; the second connecting rod is connected by rotating The pair R 3 is connected with the connecting rod five; the connecting rod five is connected with the component five through the rotating pair R 4 ; the described component five and the frame form a moving pair P 2 ; the one end of the described component four is connected with the connecting rod Rod two forms the moving pair P 5 , and the other end is connected with the frame through the rotating pair R 8 ; one end of the connecting rod nine is welded with the connecting rod two, and the other end is welded with the connecting rod seven; the connecting rod seven one One end is welded with connecting rod nine, and the other end is welded with connecting rod six; one end of said connecting rod six is welded with connecting rod seven, and the other end is welded with connecting rod two; one end of said member two and connecting rod nine form a mobile The other end of pair P 3 is welded on the screen surface; the one end of member three and connecting rod six form a moving pair P 4 , and the other end is welded on the screen surface; the one end of connecting rod four is welded to member two, The other end is welded with member three; the eighth connecting rod is connected with the seven connecting rods through the rotating pair R5 ; the eight connecting rods are connected with the three connecting rods through the rotating pair R6; the third connecting rod is connected through the rotating pair R 7 is connected with connecting rod four.
一种三自由度混联振动筛分装置，其特征在于：构件一、连杆一、连杆二、连杆五、构件五所在平面与yoz平面平行；连杆二、连杆九、连杆七和连杆六所在平面与yoz平面垂直；筛面所在平面与yoz平面垂直；连杆八和连杆三所在平面与筛面所在平面、yoz平面都相垂直。A three-degree-of-freedom hybrid vibrating screening device, characterized in that: component one, connecting rod one, connecting rod two, connecting rod five, and component five are located in a plane parallel to the yoz plane; connecting rod two, connecting rod nine, connecting rod The plane of seven and connecting rod six is perpendicular to the yoz plane; the plane of the screen surface is perpendicular to the yoz plane; the plane of connecting rod eight and connecting rod three is perpendicular to the plane of the screen surface and the yoz plane.
本发明的有益效果是：(1)装置工作筛框具有二平移和一转动输出；(2)机构存在虚约束，其结构稳定，易于制造。该装置运动时，能产生沿X轴和Y轴方向的平移以及绕X轴的转动，能使筛框中的物料颗粒充分翻转筛分，减少了筛孔被“筛粒“卡住的现象，提高了筛分效率和整个筛机的生产率，克服了典型的传统圆振动筛和直线振动筛的缺点。The beneficial effects of the invention are: (1) the working screen frame of the device has two translational and one rotational outputs; (2) the mechanism has virtual constraints, its structure is stable, and it is easy to manufacture. When the device moves, it can produce translation along the X-axis and Y-axis direction and rotation around the X-axis, which can fully turn and sieve the material particles in the sieve frame, reducing the phenomenon that the sieve holes are stuck by "sieve particles". It improves the screening efficiency and the productivity of the whole screening machine, and overcomes the shortcomings of typical traditional circular vibrating screens and linear vibrating screens.
附图说明Description of drawings
图1为本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
图中构件一1、转动副R1 2、连杆一3、转动副R2 4、移动副P3 5、连杆二6、连杆三7、构件二8、筛面9、转动副R7 10、连杆四11、构件三12、转动副R8 13、构件四14、移动副P5 15、移动副P4 16、转动副R3 17、连杆五18、转动副R4 19、构件五20、移动副P2 21、连杆六22、转动副R6 23、连杆七24、连杆八25、机架26、转动副R5 27、连杆九28、移动副P1 29。In the figure, component one 1, rotating pair R 1 2, connecting rod one 3, rotating pair R 2 4, moving pair P 3 5, connecting rod two 6, connecting rod three 7, component two 8, screen surface 9, rotating pair R 7 10, connecting rod 4 11, member 3 12, rotating pair R 8 13, member 4 14, moving pair P 5 15, moving pair P 4 16, rotating pair R 3 17, connecting rod 5 18, rotating pair R 4 19 , component five 20, moving pair P 2 21, connecting rod six 22, rotating pair R 6 23, connecting rod seven 24, connecting rod eight 25, frame 26, rotating pair R 5 27, connecting rod nine 28, moving pair P 1 29.
具体实施方式detailed description
为了使本发明所实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体实施例和图示，进一步阐述本发明。In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments and illustrations.
如图1所示，一种三自由度混联振动筛分装置，其特征在于：包括构件一1、转动副R1 2、连杆一3、转动副R2 4、移动副P3 5、连杆二6、连杆三7、构件二8、筛面9、转动副R7 10、连杆四11、构件三12、转动副R8 13、构件四14、移动副P5 15、移动副P4 16、转动副R3 17、连杆五18、转动副R4 19、构件五20、移动副P2 21、连杆六22、转动副R6 23、连杆七24、连杆八25、机架26、转动副R5 27、连杆九28、移动副P1 29；所述的构件一1与机架26形成移动副P129，构件一1通过转动副R1 2与连杆一3相连接；所述的连杆一3通过转动副R2 4与连杆二6相连接；所述的连杆二6通过转动副R3 17与连杆五18相连接；所述的连杆五18通过转动副R419与构件五20相连接；所述的构件五20与机架26形成移动副P2 21；所述的构件四14一端与连杆二6形成移动副P5 15，另一端通过转动副R8 13与机架26相连接；所述的连杆九28一端与连杆二6焊接，另一端与连杆七24焊接；所述的连杆七24一端与连杆九28焊接，另一端与连杆六22焊接；所述的连杆六22一端与连杆七24焊接，另一端与连杆二6焊接；所述的构件二8一端与连杆九28形成移动副P3 5，另一端焊接在筛面9上；所述的构件三12一端与连杆六22形成移动副P4 16，另一端焊接在筛面9上；所述的连杆四11一端与构件二8焊接，另一端与构件三12焊接；所述的连杆八25通过转动副R5 27与连杆六24连接；所述的连杆八25通过转动副R6 23与连杆三7连接；所述的连杆三7通过转动副R7 10与连杆四11连接。As shown in Figure 1, a three-degree-of-freedom hybrid vibrating screening device is characterized in that it includes a component 1, a rotating pair R 1 2, a connecting rod 3, a rotating pair R 2 4, a moving pair P 3 5, Connecting rod 2 6, connecting rod 3 7, component 2 8, screen surface 9, rotating pair R 7 10, connecting rod 4 11, component 3 12, rotating pair R 8 13, component 4 14, moving pair P 5 15, moving P4 16 , rotating pair R 3 17, connecting rod 5 18, rotating pair R 4 19, member 5 20, moving pair P 2 21, connecting rod 6 22, rotating pair R 6 23, connecting rod 7 24, connecting rod Eight 25, frame 26, rotating pair R 5 27, connecting rod nine 28, moving pair P 1 29; said member one 1 and frame 26 form moving pair P 1 29, and member one 1 passes through rotating pair R 1 2 Connected with connecting rod one 3; said connecting rod one 3 is connected with connecting rod two 6 through rotating pair R 2 4; said connecting rod two 6 is connected with connecting rod five 18 through rotating pair R 3 17; The fifth connecting rod 18 is connected with the fifth member 20 through the rotating pair R 4 19; the fifth member 20 and the frame 26 form a moving pair P 2 21; one end of the fourth member 14 is formed with the second connecting rod 6 The moving pair P 5 15, the other end is connected with the frame 26 through the rotating pair R 8 13; one end of the connecting rod nine 28 is welded with the connecting rod two 6, and the other end is welded with the connecting rod seven 24; the connecting rod One end of seven 24 is welded with connecting rod nine 28, and the other end is welded with connecting rod six 22; one end of said connecting rod six 22 is welded with connecting rod seven 24, and the other end is welded with connecting rod two 6; said member two 8 is one end The moving pair P 3 5 is formed with the connecting rod nine 28, and the other end is welded on the screen surface 9; one end of the component three 12 and the connecting rod six 22 form a moving pair P 4 16, and the other end is welded on the screen surface 9; One end of the connecting rod four 11 is welded with the component two 8, and the other end is welded with the component three 12; the connecting rod eight 25 is connected with the connecting rod six 24 through the rotating pair R 5 27; the connecting rod eight 25 is rotated The pair R 6 23 is connected with the third connecting rod 7; the third connecting rod 7 is connected with the fourth connecting rod 11 through the rotating pair R 7 10 .
如图1所示，一种三自由度混联振动筛分装置，其特征在于：构件一1、连杆一3、连杆二6、连杆五18、构件五20所在平面与yoz平面平行；连杆二6、连杆九28、连杆七24和连杆六22所在平面与yoz平面垂直；筛面9所在平面与yoz平面垂直；连杆八25和连杆三7所在平面与筛面9所在平面、yoz平面都相垂直。As shown in Figure 1, a three-degree-of-freedom hybrid vibrating screening device is characterized in that the plane where component one 1, connecting rod one 3, connecting rod two 6, connecting rod five 18, and component five 20 is parallel to the yoz plane The plane where connecting rod two 6, connecting rod nine 28, connecting rod seven 24 and connecting rod six 22 is perpendicular to the yoz plane; the plane where the screen surface 9 is located is perpendicular to the yoz plane; The plane where surface 9 is located and the yoz plane are both perpendicular to each other.
使用时：首先使用直线电机或液压缸驱动移动副P1 29和移动副P2 21运动，并调节电机或液压缸驱动参数使移动副P1 29和移动副P2 21按一定运动规律运动，则移动副P1 29和移动副P2 21之间的距离就会发生改变，移动副P1 29和移动副P2 21之间的距离发生改变会引起连杆一3和连杆五18相对于转动副R1 2和转动副R4 19的旋转，从而就会带动连杆二6在平移的同时发生旋转，而连杆二6的运动会同步传递到筛面9上，这样筛面9就会在平移的同时进行转动，然后在使用旋转电机驱动转动副R5 27，移动副P3 5和移动副P4 16就会在连杆八25、连杆三7的带动下进行平移运动，而移动副P3 5和移动副P4 16的运动会通过构件二8和构件八12传递到筛面9上，筛面9就会再增加一个平移运动，这样筛面9就实现了二个平移一个转动三个自由度的振动筛分。When in use: first use a linear motor or a hydraulic cylinder to drive the movement of the moving pair P 1 29 and the moving pair P 2 21, and adjust the driving parameters of the motor or hydraulic cylinder to make the moving pair P 1 29 and the moving pair P 2 21 move according to a certain law of motion, Then the distance between the moving pair P 1 29 and the moving pair P 2 21 will change, and the change in the distance between the moving pair P 1 29 and the moving pair P 2 21 will cause the connecting rod one 3 and the connecting rod five 18 to be relative Due to the rotation of the rotating pair R 1 2 and the rotating pair R 4 19, it will drive the second connecting rod 6 to rotate while translating, and the movement of the second connecting rod 6 will be transmitted to the screen surface 9 synchronously, so that the screen surface 9 It will rotate while translating, and then use the rotary motor to drive the revolving pair R 5 27, the moving pair P 3 5 and the moving pair P 4 16 will perform translational motion under the drive of the connecting rod 8 25 and the connecting rod 3 7, The movement of the moving pair P 3 5 and the moving pair P 4 16 will be transmitted to the screen surface 9 through the second component 8 and the eighth component 12, and the screen surface 9 will add another translation motion, so that the screen surface 9 has realized two translations A vibrating sieve with three degrees of freedom of rotation.
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| CN102688853A (en) * | 2012-06-19 | 2012-09-26 | 江苏大学 | Three degree-of-freedom parallel mechanism tea screening machine |
| CN202921560U (en) * | 2012-06-19 | 2013-05-08 | 江苏大学 | Three degree-of-freedom parallel mechanism tea sifting and grading machine |
| CN205599478U (en) * | 2016-04-26 | 2016-09-28 | 巢湖学院 | Three degree of freedom series -parallel connection vibration screening devices |
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| CN102688853A (en) * | 2012-06-19 | 2012-09-26 | 江苏大学 | Three degree-of-freedom parallel mechanism tea screening machine |
| CN202921560U (en) * | 2012-06-19 | 2013-05-08 | 江苏大学 | Three degree-of-freedom parallel mechanism tea sifting and grading machine |
| CN205599478U (en) * | 2016-04-26 | 2016-09-28 | 巢湖学院 | Three degree of freedom series -parallel connection vibration screening devices |
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