CN102120214B - Three-degree-of-freedom series and parallel connection vibrating screen - Google Patents

Three-degree-of-freedom series and parallel connection vibrating screen Download PDF

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Publication number
CN102120214B
CN102120214B CN 201110100682 CN201110100682A CN102120214B CN 102120214 B CN102120214 B CN 102120214B CN 201110100682 CN201110100682 CN 201110100682 CN 201110100682 A CN201110100682 A CN 201110100682A CN 102120214 B CN102120214 B CN 102120214B
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China
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rod
revolute pair
vibrating
chain
screen box
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Expired - Fee Related
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CN 201110100682
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CN102120214A (en
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李耀明
王成军
马履中
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Jiangsu University
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Jiangsu University
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Abstract

The invention discloses a three-degree-of-freedom series and parallel connection vibrating screen and relates to the technical field of vibrating screen equipment. The three-degree-of-freedom series and parallel connection vibrating screen consists of a screen box, a vibrating motor, a motor fixing seat, springs, an inclination angle regulating device, a bracket, a longitudinal vibrating chain, a transverse vibrating chain and a base. The upper ends of the four springs are hung on the bracket through the inclination angle regulating device respectively, the lower ends of the springs are connected with the screen box, the motor fixing seat is arranged in the middle of the top face of the screen box, and the vibrating motor is fixed on the motor fixing seat; and two parallel longitudinal vibrating chains and a transverse vibrating chain are connected between the screen box and the base. In the vibrating screen, a vibrating mechanism is a series and parallel connection mechanism 2PRRR-R, the longitudinal vibrating chains and the transverse vibrating chain are not interfered with each other, the vibration in X, Y and Z direction of the screen box is realized, the amplitude, frequency, inclined angle and degree of freedom of vibration can be regulated independently, and the adaptability to different screen materials is high. The vibrating screen can be used for grading materials in energy, alloy, building material, chemical, agricultural and food processing industries and other industries.

Description

A kind of Three Degree Of Freedom series-parallel connection vibratory sieve
Technical field
The present invention relates to a kind of vibrosieve apparatus field, relate in particular to a kind of Three Degree Of Freedom series-parallel connection vibratory sieve.
Background technology
At present, vibratory sieve mainly is the classification that is used for material in the energy, metallurgy, pottery, building materials, chemical industry and industry extensive uses such as agricultural, grain processing.Actual screening efficiency in the unit interval of existing vibratory sieve is lower, and the material decentralization on the compass screen surface is not high, and the material skewness on the compass screen surface sieves weak effect thoroughly; And the screening effect for difficult screening materials such as moist fine grained level viscous materials is undesirable always; Sieve aperture is blocked easily; The treating method of the oscillation intensity through improving vibratory sieve often receives the restriction of screen box rigidity, material dispersion on the compass screen surface, layering and the enough power of interlayer poverty of movement again easily.In addition, the vibrational degrees of freedom of existing vibratory sieve is less, is mostly 1-2 the free degree.
The Three Degree Of Freedom series-parallel connection vibratory sieve that the present invention relates to; Because the ability implementation space is along the vibration of X, Y, three directions of Z; And parameters such as the Oscillation Amplitude of each direction of vibration, frequency, inclination angle and vibrational degrees of freedom can be controlled separately and regulate, and can overcome the technological deficiency of existing vibratory sieve.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Three Degree Of Freedom vibratory sieve, particularly can overcome the technological deficiency of existing vibratory sieve along the vibration of X, Y, three directions of Z, improves the unit interval treating capacity of screening efficiency and screening operation.
Technical problem to be solved by this invention adopts following technical scheme to realize.
A kind of Three Degree Of Freedom series-parallel connection vibratory sieve is made up of screen box, vibrating motor, motor fixing seat, spring, inclination-angle regulating device, bracing frame, extensional vibration chain, oscillation crosswise chain and base.Wherein: each fixing bracing frame on four angles of base, the upper end of four springs hangs on four bracing frames through inclination-angle regulating device respectively, and the lower end and the screen box of spring link; Motor fixing seat is installed in centre position at the screen box end face, and vibrating motor is fixed on the motor fixing seat; Between screen box and base, be connected with the extensional vibration chain and the oscillation crosswise chain of two parallel connections; Vibrating mechanism is a kind of hybrid connected structure 2PRRR-R; Extensional vibration chain and the mutually noninterfere of oscillation crosswise chain; Can realize the vibration along X, Y, three directions of Z, the Oscillation Amplitude of screen box, frequency, inclination angle and vibrational degrees of freedom can both independent regulation, and the adjusting at screen box inclination angle is realized by inclination-angle regulating device.
Described extensional vibration chain is made up of revolute pair one, revolute pair two, revolute pair three, moving sets one and the connecting rod between them, connecting rod two, connecting rod three; Connecting rod one links through revolute pair one and screen box; Connecting rod one links through revolute pair two and connecting rod two; Connecting rod two links through revolute pair three and connecting rod three, and connecting rod three links through moving sets one and base, and revolute pair one, revolute pair two, the axis of revolute pair three and the axis of moving sets one parallel; Described oscillation crosswise chain is made up of revolute pair four, revolute pair five, revolute pair six, moving sets two and the connecting rod between them four, connecting rod five, connecting rod six; The connecting rod four-way is crossed revolute pair four and is linked with screen box; The connecting rod four-way is crossed revolute pair five and is linked with connecting rod five; The connecting rod five-way is crossed revolute pair six and is connected with the connecting rod six phase, and connecting rod six links through moving sets two and base, and revolute pair four, revolute pair five, the axis of revolute pair six and the axis of moving sets two parallel; The axis of the axis of the moving sets one (P1) of described extensional vibration chain and the moving sets two (P2) of oscillation crosswise chain is perpendicular, and moving sets one (P1) and moving sets two (P2) are the driving pair of mechanism.The adjusting at screen box inclination angle is realized by inclination-angle regulating device.
The present invention is simple in structure; Assembling, adjustment, safeguard simplely, can realize along the vibration of X, Y, three directions of Z, and vibrating mechanism is full decoupled; The vibration of X, Y, three directions of Z is separate; Mutually noninterfere also can make screen box obtain different vibration output through the kinetic parameter of regulating vibrating motor and two vibration chain drive sources, thereby make screen box obtain suitable vibrational excitation.And the Oscillation Amplitude of screen box, frequency, inclination angle and vibrational degrees of freedom can both independent regulation, and strong to the adaptability of difference screening material, the present invention can be used for the stock grading of industries such as the energy, metallurgy, pottery, building materials, chemical industry, agricultural, grain processing.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of extensional vibration chain.
Fig. 3 is the structural representation of oscillation crosswise chain.
Fig. 4 is the structural representation of inclination-angle regulating device.
Among the figure, 1. screen box; 2. vibrating motor; 3. motor fixing seat; 4. spring; 5. inclination-angle regulating device; 6. bracing frame; 7. extensional vibration chain; 8. oscillation crosswise chain; 9. base; 10. nut A; 12. nut B; 13. nut C; 11. screw rod; R1. revolute pair one; R2. revolute pair two; R3. revolute pair three; R4. revolute pair four; R5. revolute pair five; R6. revolute pair six; P1. moving sets one; P2. moving sets two; L1. connecting rod one; L2. connecting rod two; L3. connecting rod three; L4. connecting rod four; L5. connecting rod five; L6. connecting rod six.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with specific embodiment and diagram, further set forth the present invention.
As shown in Figure 1, a kind of Three Degree Of Freedom series-parallel connection vibratory sieve is made up of screen box 1, vibrating motor 2, motor fixing seat 3, spring 4, inclination-angle regulating device 5, bracing frame 6, extensional vibration chain 7, oscillation crosswise chain 8 and base 9.Wherein: the upper end of each fixing 6, four spring 4 of a bracing frame hangs on four bracing frames 6 through inclination-angle regulating device 5 respectively on four angles of base 9, and the lower end of spring 4 and screen box 1 link; Motor fixing seat 3 is installed in centre position at screen box 1 end face, and vibrating motor 2 is fixed on the motor fixing seat 3; Between screen box 1 and base 9, be connected with the extensional vibration chain 7 and oscillation crosswise chain 8 of two parallel connections; Vibrating mechanism is a kind of hybrid connected structure 2PRRR-R; Extensional vibration chain 7 and 8 mutually noninterferes of oscillation crosswise chain; Can realize vibration along X, Y, three directions of Z; The Oscillation Amplitude of screen box 1, frequency, inclination angle and vibrational degrees of freedom can both independent regulation, and the adjusting at screen box 1 inclination angle is realized by inclination-angle regulating device 5.
As shown in Figures 2 and 3; Described extensional vibration chain 7 is made up of revolute pair one R1, revolute pair two R2, revolute pair three R3, moving sets one P1 and one L1 of the connecting rod between them, connecting rod two L2, connecting rod three L3; Connecting rod one L1 links through revolute pair one R1 and screen box 1; Connecting rod one L1 links through revolute pair two R2 and connecting rod two L2; Connecting rod two L2 link through revolute pair three R3 and connecting rod three L3, and connecting rod three L3 link through moving sets one P1 and base 9, and revolute pair one R1, revolute pair two R2, the axis of revolute pair three R3 and the axis of moving sets one P1 parallel.Described oscillation crosswise chain is made up of three revolute pair four R4, revolute pair five R5, revolute pair six R6, moving sets two P2 and four L4 of the connecting rod between them, connecting rod five L5, connecting rod six L6; Connecting rod four L4 link through revolute pair four R4 and screen box 1; Connecting rod four L4 link through revolute pair five R5 and connecting rod five L5; Connecting rod five L5 link through revolute pair six R6 and connecting rod six L6; Connecting rod six L6 link through moving sets two P2 and base 9, and revolute pair four R4, revolute pair five R5, the axis of revolute pair six R6 and the axis of moving sets two P2 parallel.The axis of the axis of moving sets one P1 of described extensional vibration chain 7 and moving sets two P2 of oscillation crosswise chain 8 is perpendicular, and moving sets one P1 and moving sets two P2 are the driving pair of mechanism.
On moving sets two P2 of oscillation crosswise chain 8, add exciting force, can produce laterally (X to) vibration; On moving sets one P1 of extensional vibration chain 7, add exciting force, can produce Y to vibration; And the vibration on the vertical direction (Z to) is provided by vibrating motor 2.Moving sets one P1 of extensional vibration chain 7 and oscillation crosswise chain 8 and the power of moving sets two P2 can or drive line reciprocator (like slider-crank mechanism, pinion and rack etc.) by electric rotating machine by linear electric motors, electronic cylinder, servo hydraulic cylinder and provide.
As shown in Figure 4, during work, confirm the inclination angle theta of screen box 1 earlier according to the needs of screening operation, the length of regulating screw rod 11 working portions on the inclination-angle regulating device 5 then, fastening nut A10, nut B12, nut C13 play locking and locking then; Regulate the angle of connecting rod four L4 and connecting rod five L5 on angle and the oscillation crosswise chain 8 of connecting rod one L1 and connecting rod two L2 on the extensional vibration chain 7; Make two vibration chains be in original state, the adjusting of Oscillation Amplitude and frequency realizes through the input parameter of the power source of adjusting two vibration chains; Regulate the angle of the eccentric block of vibrating motor 2, select Z to Oscillation Amplitude and frequency.
Start separately the power source (linear electric motors, electronic cylinder, servo hydraulic cylinder or drive line reciprocator by electric rotating machine) of oscillation crosswise chain 8, screen box 1 can produce laterally the double vibrations of (X to); Start separately the power source (linear electric motors, electronic cylinder, servo hydraulic cylinder or drive line reciprocator by electric rotating machine) of extensional vibration chain 7, screen box 1 can produce vertically the double vibrations of (Y to); Independent Vibration on Start-up motor 2, screen box 1 can produce Z to vibration, when not having constraint like moving sets two P2 of oscillation crosswise chain 8, the vibration resultant motion that vibrating motor 2 can make screen box 1 produce X and Z both direction; If three power start simultaneously, screen box 1 can produce the vibration of X, Y, three directions of Z.During actual the use, can in three power sources, select wherein two or three to make up startup as required arbitrarily, make screen box 1 obtain corresponding vibration output.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.

Claims (2)

1. Three Degree Of Freedom series-parallel connection vibratory sieve; It is characterized in that: comprise screen box, vibrating motor, motor fixing seat, spring, inclination-angle regulating device, bracing frame, extensional vibration chain, oscillation crosswise chain and base; Each fixing bracing frame on four angles of said base; The upper end of four springs hangs on four bracing frames through inclination-angle regulating device respectively, and the lower end and the screen box of spring link; Motor fixing seat is installed in centre position at the screen box end face, and vibrating motor is fixed on the motor fixing seat; Between screen box and base, be connected with the extensional vibration chain and the oscillation crosswise chain of two parallel connections; Vibrating mechanism is a kind of hybrid connected structure 2PRRR-R, and extensional vibration chain and the mutually noninterfere of oscillation crosswise chain are along X, Y, three direction vibrations of Z; Said extensional vibration chain is made up of revolute pair one (R1), revolute pair two (R2), revolute pair three (R3), moving sets one (P1) and the connecting rod between them (L1), connecting rod two (L2), connecting rod three (L3); Connecting rod one (L1) links through revolute pair one (R1) and screen box (1); Connecting rod one (L1) links through revolute pair two (R2) and connecting rod two (L2); Connecting rod two (L2) links through revolute pair three (R3) and connecting rod three (L3); Connecting rod three (L3) links through moving sets one (P1) and base (9), and revolute pair one (R1), revolute pair two (R2), the axis of revolute pair three (R3) and the axis of moving sets one (P1) parallel; Said oscillation crosswise chain is made up of revolute pair four (R4), revolute pair five (R5), revolute pair six (R6), moving sets two (P2) and the connecting rod between them four (L4), connecting rod five (L5), connecting rod six (L6); Connecting rod four (L4) links through revolute pair four (R4) and screen box (1); Connecting rod four (L4) links through revolute pair five (R5) and connecting rod five (L5); Connecting rod five (L5) links through revolute pair six (R6) and connecting rod six (L6); Connecting rod six (L6) links through moving sets two (P2) and base (9), and revolute pair four (R4), revolute pair five (R5), the axis of revolute pair six (R6) and the axis of moving sets two (P2) parallel.
2. a kind of Three Degree Of Freedom series-parallel connection vibratory sieve according to claim 1; It is characterized in that: the axis of the axis of the moving sets one (P1) of said extensional vibration chain and the moving sets two (P2) of oscillation crosswise chain is perpendicular, and moving sets one (P1) and moving sets two (P2) are the driving pair of mechanism.
CN 201110100682 2011-04-21 2011-04-21 Three-degree-of-freedom series and parallel connection vibrating screen Expired - Fee Related CN102120214B (en)

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CN102327870B (en) * 2011-10-08 2013-10-23 江苏大学 Four-degree of freedom parallel-series hybrid oscillating screen
CN102500553B (en) * 2011-10-24 2013-04-24 山东理工大学 Complicated swinging pea bean embryo and shell separator
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CN103658026B (en) * 2013-12-31 2015-06-03 安徽理工大学 Variable-freedom-degree parallel connection vibration sieve
CN104624487B (en) * 2015-01-20 2016-09-14 江苏大学 A kind of Three Degree Of Freedom vibrosieve based on hybrid mechanism
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CN107548724A (en) * 2017-08-03 2018-01-09 安徽诺鑫自动化设备有限公司 A kind of vibrating screen device of united reaper
CN108076850A (en) * 2017-11-27 2018-05-29 江苏大学 It is a kind of that there is uniformly distributed material and the device for transporting objects from exciting
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CN202037122U (en) * 2011-04-21 2011-11-16 江苏大学 Mixed-joint vibrating screen with three degrees of freedom

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Application publication date: 20110713

Assignee: Wuxi Combine Harvester Co.,Ltd.

Assignor: Jiangsu University

Contract record no.: 2013320000134

Denomination of invention: Three-degree-of-freedom series and parallel connection vibrating screen

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