CN202037122U - Mixed-joint vibrating screen with three degrees of freedom - Google Patents

Mixed-joint vibrating screen with three degrees of freedom Download PDF

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Publication number
CN202037122U
CN202037122U CN2011201186781U CN201120118678U CN202037122U CN 202037122 U CN202037122 U CN 202037122U CN 2011201186781 U CN2011201186781 U CN 2011201186781U CN 201120118678 U CN201120118678 U CN 201120118678U CN 202037122 U CN202037122 U CN 202037122U
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China
Prior art keywords
rod
revolute pair
vibrating
chain
moving sets
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Expired - Fee Related
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CN2011201186781U
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Chinese (zh)
Inventor
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 utility model discloses a mixed-joint vibrating screen with three degrees of freedom, which relates to the technical field of vibrating screening equipment, and is composed of a screening box, a vibrating motor, a motor fixing seat, springs, an inclination adjusting device, a support frame, a longitudinal vibrating chain, a horizontal vibrating chain and a base. Top ends of the four springs are hung on the support frame respectively through the inclination adjusting device, and the lower ends of the springs are connected with the screening box. The motor fixing seat is arranged in the middle of the top surface of the screening box, and the vibrating motor is fixed on the motor fixing seat. The longitudinal vibrating chain and the horizontal vibrating chain which are in parallel connection are connected between the screening box and the base. The vibrating mechanism of the vibrating screen is a mixed-joint mechanism 2PRRR-R, and the longitudinal vibrating chain and the horizontal vibrating chain are in mutual noninterference, thereby realizing vibrating of the screening box along an X direction, a Y direction and a Z direction. In addition, vibrating scope, frequentness, inclination and degrees of freedom of vibrating can be independently adjusted. The mixed-joint vibrating screen with three degrees of freedom has strong adaptability on different screening materials, and can be used for material grading of industries of energy, metallurgy, building materials, chemical engineering, agriculture, grain processing and the like.

Description

A kind of Three Degree Of Freedom series-parallel connection vibratory sieve
Technical field
The utility model relates to a kind of vibrosieve apparatus field, relates 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 by improving vibratory sieve often is subjected to 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 utility model relates to, because the energy 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 in the utility model 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 in the utility model realizes by the following technical solutions.
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 fixes a bracing frame on four angles of base, and the upper end of four springs hangs on four bracing frames by 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 by revolute pair one and screen box, connecting rod one links by revolute pair two and connecting rod two, connecting rod two links by revolute pair three and connecting rod three, connecting rod three links by moving sets one and base, and the axis of revolute pair one, revolute pair two, revolute pair three parallels with the axis of moving sets one; 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 screen box links, the connecting rod four-way crosses revolute pair five and connecting rod five links, the connecting rod five-way crosses revolute pair six and connecting rod six links, connecting rod six links by moving sets two and base, and the axis of revolute pair four, revolute pair five, revolute pair six parallels with the axis of moving sets two; 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 utility model is simple in structure, assemble, adjust, safeguard simple, can realize vibration along 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 by 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 utility model 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 utility model.
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 utility model is realized, reach purpose and effect is easy to understand, below in conjunction with specific embodiment and diagram, further set forth the utility model.
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: each upper end of fixing 6, four springs 4 of a bracing frame hangs on four bracing frames 6 by 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 the 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 by revolute pair one R1 and screen box 1, connecting rod one L1 links by revolute pair two R2 and connecting rod two L2, connecting rod two L2 link by revolute pair three R3 and connecting rod three L3, connecting rod three L3 link by moving sets one P1 and base 9, and the axis of revolute pair one R1, revolute pair two R2, revolute pair three R3 parallels with the axis of moving sets one P1.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 by revolute pair four R4 and screen box 1, connecting rod four L4 link by revolute pair five R5 and connecting rod five L5, connecting rod five L5 link by revolute pair six R6 and connecting rod six L6, connecting rod six L6 link by moving sets two P2 and base 9, and the axis of revolute pair four R4, revolute pair five R5, revolute pair six R6 parallels with the axis of moving sets two P2.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 (as 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, determine 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 the angle of connecting rod one L1 and connecting rod two L2 on the extensional vibration chain 7 and the oscillation crosswise chain 8, make two vibration chains be in original state, the adjusting of Oscillation Amplitude and frequency realizes by regulating two input parameters that vibrate the power source of 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 as 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 select arbitrarily in three power sources as required that wherein two or three make up startup, make screen box 1 obtain corresponding vibration output.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (4)

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 fixes a bracing frame on four angles of described base, the upper end of four springs hangs on four bracing frames by 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 the vibration of X, Y, three directions of Z.
2. a kind of Three Degree Of Freedom series-parallel connection vibratory sieve according to claim 1, it is characterized in that: described extensional vibration chain is by 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) is formed, connecting rod one (L1) links by revolute pair one (R1) and screen box (1), connecting rod one (L1) links by revolute pair two (R2) and connecting rod two (L2), connecting rod two (L2) links by revolute pair three (R3) and connecting rod three (L3), connecting rod three (L3) links by moving sets one (P1) and base (9), and revolute pair one (R1), revolute pair two (R2), the axis of revolute pair three (R3) parallels with the axis of moving sets one (P1).
3. a kind of Three Degree Of Freedom series-parallel connection vibratory sieve according to claim 1, it is characterized in that: described oscillation crosswise chain is by 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) is formed, connecting rod four (L4) links by revolute pair four (R4) and screen box (1), connecting rod four (L4) links by revolute pair five (R5) and connecting rod five (L5), connecting rod five (L5) links by revolute pair six (R6) and connecting rod six (L6), connecting rod six (L6) links by moving sets two (P2) and base (9), and revolute pair four (R4), revolute pair five (R5), the axis of revolute pair six (R6) parallels with the axis of moving sets two (P2).
4. according to claim 1,2,3 described a kind of Three Degree Of Freedom series-parallel connection vibratory sieves, it is characterized in that: 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.
CN2011201186781U 2011-04-21 2011-04-21 Mixed-joint vibrating screen with three degrees of freedom Expired - Fee Related CN202037122U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102120214A (en) * 2011-04-21 2011-07-13 江苏大学 Three-degree-of-freedom series and parallel connection vibrating screen
CN102962839A (en) * 2012-12-12 2013-03-13 常州大学 Vibrating screen mechanism with three-dimensional independent output motion
CN103286078A (en) * 2013-06-03 2013-09-11 江苏大学 Three-degree-of-freedom parallel material vibration sorting platform
CN103909062A (en) * 2014-04-02 2014-07-09 济南骏翔矿山机械制造有限公司 Support unit for conveying belt conveying finished materials screened by vibrating screen
CN111841740A (en) * 2020-07-28 2020-10-30 赵慧楠 Preparation process of asphalt concrete

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102120214A (en) * 2011-04-21 2011-07-13 江苏大学 Three-degree-of-freedom series and parallel connection vibrating screen
CN102120214B (en) * 2011-04-21 2012-12-19 江苏大学 Three-degree-of-freedom series and parallel connection vibrating screen
CN102962839A (en) * 2012-12-12 2013-03-13 常州大学 Vibrating screen mechanism with three-dimensional independent output motion
CN103286078A (en) * 2013-06-03 2013-09-11 江苏大学 Three-degree-of-freedom parallel material vibration sorting platform
CN103286078B (en) * 2013-06-03 2015-02-04 江苏大学 Three-degree-of-freedom parallel material vibration sorting platform
CN103909062A (en) * 2014-04-02 2014-07-09 济南骏翔矿山机械制造有限公司 Support unit for conveying belt conveying finished materials screened by vibrating screen
CN111841740A (en) * 2020-07-28 2020-10-30 赵慧楠 Preparation process of asphalt concrete

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C17 Cessation of patent right
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Granted publication date: 20111116

Termination date: 20120421