CN205599478U - Three degree of freedom series -parallel connection vibration screening devices - Google Patents

Abstract

The utility model 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 plane multi-rod mechanism, a moving table, and series branch chains. The screening mechanism adopts a linear motor to provide the required power. The utility model 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 particles" of the screen holes. The phenomenon of jamming can realize efficient 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

A three-degree-of-freedom hybrid vibrating screening device

technical field

The utility model belongs to the field of vibration screening, in particular to a three-degree-of-freedom mixed vibration screening device.

Background technique

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.

A three-degree-of-freedom hybrid vibrating screening device designed by the utility model, whose output motion is two translations and one rotation, 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 .

Contents of the invention

The purpose of the utility model 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.

In order to achieve the above purpose, the technical solution adopted by the utility model 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, improve Screening efficiency.

The specific scheme for realizing the utility model 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, Revolving pair R ₄ , member 5, moving pair P ₂ , connecting rod 6, rotating pair R ₆ , connecting rod 7, connecting rod 8, frame, rotating pair R ₅ , connecting rod 9, moving pair P ₁ ; The first component and the frame form a moving pair P1, and 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 through the The rotating 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 moving pair P ₂ is formed between the described component five and the frame; the four one ends of the described components are connected with The second connecting rod 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 second connecting rod, and the other end is welded with the connecting rod seven; the connecting rod seven 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 is formed with connecting rod nine The other end of the moving pair P ₃ is welded to the screen surface; the one end of the member three and the connecting rod six form a moving pair P ₄ , and the other end is welded on the screen surface; the one end of the connecting rod four is welded to the second member , the other end is welded with member three; said connecting rod eight is connected with connecting rod seven through rotating pair _{R5 ;} said connecting rod eight is connected with connecting rod three through rotating pair R6; said connecting rod three is connected by rotating Vice R ₇ is connected with connecting rod four.

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.

The beneficial effects of the utility model are: (1) the working screen frame of the device has two translations and one rotation output; (2) the mechanism has virtual constraints, and its structure is stable and 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.

Description of drawings

Fig. 1 is the structural representation of the utility model.

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.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments and illustrations.

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 .

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.

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.

Claims (2)

1. A three-degree-of-freedom hybrid vibratory screening device, characterized in that: it comprises 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 four (11), component three ( 12), rotating pair R ₈ (13), member four (14), moving pair P ₅ (15), moving pair P ₄ (16), rotating pair R ₃ (17), connecting rod five (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), machine Frame (26), rotating pair R ₅ (27), connecting rod nine (28), moving pair P ₁ (29); described member one (1) and frame (26) form moving pair P ₁ (29) , component one (1) is connected with connecting rod one (3) through rotating pair R ₁ (2); said connecting rod one (3) is connected with connecting rod two (6) through rotating pair R ₂ (4) ; Described connecting rod two (6) is connected with connecting rod five (18) by rotating pair R ₃ (17); Described connecting rod five (18) is connected with component five (20) by rotating pair R ₄ (19) ) is connected; said member five (20) and frame (26) form mobile pair P ₂ (21); said member four (14) one end and connecting rod two (6) form mobile 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) One end of described connecting rod seven (24) is welded with connecting rod nine (28), and the other end is welded with connecting rod six (22); one end of described connecting rod six (22) is welded with connecting rod seven (24), The other end is welded with connecting rod two (6); one end of said component two (8) and connecting rod nine (28) form a moving pair P ₃ (5), and the other end is welded on the screen surface (9); said One end of component three (12) and 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 connecting rod four (11) is welded to component two (8) , the other end is welded with component three (12); the eight connecting rods (25) are connected with the seven connecting rods (24) through the rotating pair R ₅ (27); the eight connecting rods (25) are connected through the rotating pair R ₆ (23) is connected with connecting rod three (7); described connecting rod three (7) is connected with connecting rod four (11) through rotating pair R ₇ (10). 2. According to a kind of three-degree-of-freedom hybrid vibration screening device according to claim 1, it is characterized in that: component one (1), connecting rod one (3), connecting rod two (6), connecting rod five ( 18), the plane of component five (20) is parallel to the yoz plane; the plane of 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 face (9) is located is perpendicular to the yoz plane; the plane where the connecting rod eight (25) and the connecting rod three (7) are located is all perpendicular to the plane where the screen surface (9) is located and the yoz plane.