CN107661857B - Ultrasonic three-dimensional force vibrating screen - Google Patents

Ultrasonic three-dimensional force vibrating screen Download PDF

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Publication number
CN107661857B
CN107661857B CN201710185513.8A CN201710185513A CN107661857B CN 107661857 B CN107661857 B CN 107661857B CN 201710185513 A CN201710185513 A CN 201710185513A CN 107661857 B CN107661857 B CN 107661857B
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Prior art keywords
screen
force
component force
plane
ultrasonic
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CN201710185513.8A
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CN107661857A (en
Inventor
许昌义
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Anhui Dao Yuantang prepared slices of Chinese crude drugs Co.,Ltd.
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Anhui Dao Yuantang Prepared Slices Of Chinese Crude Drugs Co ltd
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/36Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens jigging or moving to-and-fro in more than one direction
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/42Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes

Abstract

The ultrasonic three-dimensional force vibrating screen is characterized in that a screen mesh part is connected with a fixed support leg through an elastic support leg; and a component force bracket is arranged below the screen part, and an ultrasonic vibrator is arranged on a component force inclined plane of the component force bracket. Each support leg of the component force support is a leg with unequal height, namely the height of each support leg of the component force inclined plane is unequal, namely the included angle between the bottom surface of the screen part and the X direction of the component force inclined plane is greater than zero degree, and the included angle between the bottom surface of the screen part and the Y direction of the component force inclined plane is greater than zero degree. The ultrasonic three-dimensional force vibrating screen has a simple component force bracket, uses a standard power device, and has simple manufacture and low cost. The vibration force of the ultrasonic vibrator is transmitted to the bottom surface of the screen part from the component force inclined plane and is decomposed into Z, X, Y forces in three directions, the Z-direction force enables the sieve particles to be thrown up and bounce in the screen, and the X-direction force and the Y-direction force can reduce the phenomenon that the sieve particles are blocked in the screen holes, so that the aim of improving the screening efficiency is fulfilled.

Description

Ultrasonic three-dimensional force vibrating screen
Technical Field
The invention relates to a vibrating screen, in particular to an ultrasonic three-dimensional force vibrating screen which is suitable for the chemical industry, the food industry, the metal industry, the metallurgical mining industry and the like.
Background
In order to prevent screen holes from being blocked by screen particles and improve screening efficiency, the vibration screen tries to adopt multidirectional three-dimensional vibration force. Chinese patent application No.: 201210533160.3A vibrating screen mechanism with three-dimensional independent output motion comprises a screen frame, a first branch chain, a second branch chain, and a third branch chain, wherein one end of a second member of the first branch chain is connected with the screen frame via a ball pair, the other end of the second member is connected with one end of a second rotating pair, and the other end of the first member is connected with the frame via the second rotating pair; one end of a third component of the second branched chain is connected with the screen frame through a second ball pair, the other end of the third component is connected with one end of a fourth component through a third revolute pair, and the other end of the fourth component is connected with the frame through a fourth revolute pair; one end of a member five of the third branched chain is connected with the screen frame by a ball pair three, the other end of the member five of the third branched chain is connected with one end of a member six by a ball pair four, and the other end of the member six is connected with the frame by a revolute pair five; the axes of the first revolute pair, the second revolute pair, the third revolute pair, the fourth revolute pair and the fifth revolute pair are parallel to each other. When the movement of three revolute pairs on the frame is controlled, the screen frame can obtain an independent translation and two independent rotation outputs. This patent application uses a linkage mechanism to obtain three-dimensional vibratory forces, which is a delicate concept, but also allows other more compact methods to achieve three-dimensional vibration of the vibrating screen.
Disclosure of Invention
In order to further perfect a vibrating screen series, the invention provides an ultrasonic three-dimensional force vibrating screen, which aims to achieve the screening purpose that vibrating force exists in three directions through a simple structure and a standard power part.
The technical scheme adopted by the invention for solving the technical problems is as follows: the ultrasonic three-dimensional force vibrating screen is structurally provided with a screen part, fixed support legs are arranged below the screen part, and the screen part is connected with the fixed support legs through elastic support legs; and a component force bracket is arranged below the screen part, and an ultrasonic vibrator is arranged on a component force inclined plane of the component force bracket. Each support leg of the component force support is a leg with unequal height, namely the height of each support leg of the component force inclined plane is unequal, namely the included angle between the bottom surface of the screen part and the X direction of the component force inclined plane is greater than zero degree, and the included angle between the bottom surface of the screen part and the Y direction of the component force inclined plane is greater than zero degree.
The working method of the ultrasonic three-dimensional force vibrating screen is characterized by comprising the following steps: filling sieve particles into the sieve mesh; because the included angle between the bottom surface of the screen part and the component force inclined plane is larger than zero degree, the included angle is formed between the direction of the vibration force of the ultrasonic vibrator and the supporting direction of the elastic supporting leg in the Z direction, and therefore the vibration force of the ultrasonic vibrator is transmitted to the bottom surface of the screen part from the component force inclined plane and is decomposed into Z, X, Y forces in three directions; the screen part supported by the elastic supporting legs in the free state drives the screen grains in the screen to vibrate along with Z, X, Y three directions, the Z-direction force enables the screen grains to be thrown up and bounce in the screen, and the X-direction force and the Y-direction force can reduce the phenomenon that the screen grains block the screen holes, so that the purpose of improving the screening efficiency is achieved.
Theoretically, when the ultrasonic vibrator gives a vertical force to the component force inclined plane, if the included angle between the bottom surface of the screen part and the component force inclined plane is equal to zero degree, the vertical force on the screen part is the largest, and the horizontal force is the smallest; if the included angle between the bottom surface of the screen part and the component force inclined plane is ninety degrees, the vertical force on the screen part is minimum, and the horizontal force is maximum; if the bottom surface of the screen section is at an angle equal to forty-five degrees to the component force slope, the vertical force on the screen section is equal to the horizontal force.
The ultrasonic vibrator and the ultrasonic generator are series products, the ultrasonic vibrator is also called an energy converter, the inside of the ultrasonic vibrator is mainly provided with a piezoelectric ceramic plate which is used for converting the energy of ultrasonic waves into the energy of mechanical high-frequency vibration, the ultrasonic generator is connected with the ultrasonic vibrator, and the output frequency, the power and the timing of the ultrasonic generator are adjustable.
The ultrasonic three-dimensional force vibrating screen has the advantages that the ultrasonic three-dimensional force vibrating screen is provided with the simple component force bracket, the standard power equipment is used, and the manufacturing is simple and the cost is low. The vibration force of the ultrasonic vibrator is transmitted to the bottom surface of the screen part from the component force inclined plane and is decomposed into Z, X, Y forces in three directions, the Z-direction force enables the sieve particles to be thrown up and bounce in the screen, and the X-direction force and the Y-direction force can reduce the phenomenon that the sieve particles are blocked in the screen holes, so that the aim of improving the screening efficiency is fulfilled.
Description of the drawingsthe invention will be further described with reference to the following drawings and examples.
FIG. 1 is a schematic view of an ultrasonic three-dimensional force vibratory screen.
Fig. 2 is a schematic diagram of a force-component bracket and a force analysis.
In the figure, 1, a screen part, 2, a component force bracket, 2.1 unequal height feet, 2.2 component force inclined planes, 3, an ultrasonic vibrator, 4, an elastic foot and 5, a fixed foot.
In the figure, the ultrasonic three-dimensional force vibrating screen is structurally provided with a screen part 1, fixing support legs 5 are arranged below the screen part 1, and the screen part 1 is connected with the fixing support legs 5 through elastic support legs 4; a component force bracket 2 is arranged below the screen part 1, and an ultrasonic vibrator 3 is arranged on a component force inclined plane 2.2 of the component force bracket 2.
Each support leg of the component force bracket 2 is a leg with unequal height 2.1, namely the height of each support leg of the component force inclined plane 2.2 is unequal, namely the included angle between the bottom surface of the screen part 1 and the component force inclined plane 2.2X direction is greater than zero degree, and the included angle between the bottom surface of the screen part 1 and the component force inclined plane 2.2Y direction is greater than zero degree.
In fig. 2, the direction convention herein is that the upper side of the component force bracket 2 is the Z direction, the long side is the X direction, and the short side is the Y direction. P is the resultant force of gravity borne by the component force bracket 2, N is an acting force of the pneumatic vibrator 3 on the component force inclined plane 2.2, the force projected to the XY plane of the component force bracket 2 after N is decomposed is Nx, Ny
The working method of the ultrasonic three-dimensional force vibrating screen comprises the steps of filling sieve particles into a screen; because the included angle between the bottom surface of the screen part 1 and the component force inclined plane 2.2 is larger than zero degree, the included angle is formed between the direction of the vibration force of the ultrasonic vibrator 3 and the supporting direction of the elastic leg 4 in the Z direction, and therefore the vibration force of the ultrasonic vibrator 3 transmitted to the bottom surface of the screen part 1 from the component force inclined plane 2.2 is decomposed into Z, X, Y forces in three directions; the screen part 1 supported by the elastic support legs 4 in a free state drives the screen grains in the screen to vibrate along with Z, X, Y in three directions, the Z-direction force enables the screen grains to be thrown up and bounce in the screen, and the X-direction force and the Y-direction force can reduce the phenomenon that the screen grains clamp the screen holes, so that the purpose of improving the screening efficiency is achieved.
Theoretically, when the ultrasonic vibrator 3 gives a vertical force to the component force inclined plane 2.2, if the included angle between the bottom surface of the screen part 1 and the component force inclined plane 2.2 is equal to zero degree, the vertical force on the screen part 1 is the largest, and the horizontal force is the smallest; if the included angle between the bottom surface of the screen part 1 and the component force inclined plane 2.2 is ninety degrees, the vertical force on the screen part 1 is minimum, and the horizontal force is maximum; if the bottom surface of the screen section 1 is at an angle equal to forty-five degrees to the component force slope 2.2, the vertical force on the screen section 1 is equal to the horizontal force.

Claims (1)

1. The ultrasonic three-dimensional force vibrating screen is structurally provided with a screen mesh part, and is characterized in that: the lower part of the screen part is provided with fixed support legs, and the screen part is connected with the fixed support legs through elastic support legs; a component force bracket is arranged below the screen part, and an ultrasonic vibrator is arranged on a component force inclined plane of the component force bracket; each support leg of the component force bracket is a leg with unequal height, namely the height of each support leg of the component force inclined plane is unequal, namely the included angle between the bottom surface of the screen part and the X direction of the component force inclined plane is greater than zero degree, and the included angle between the bottom surface of the screen part and the Y direction of the component force inclined plane is greater than zero degree;
mounting holes are distributed at four corners of the component force bracket;
the working method of the ultrasonic three-dimensional force vibrating screen comprises the steps of filling sieve particles into a screen; because each support leg of the component force bracket is a leg with unequal height, and the included angle between the bottom surface of the screen part and the component force inclined plane is greater than zero, the direction of the vibration force of the ultrasonic vibrator and the Z-direction supporting direction of the elastic support leg also form an included angle, so that the vibration force of the ultrasonic vibrator is transmitted to the bottom surface of the screen part from the component force inclined plane and is decomposed into Z, X, Y forces in three directions; the screen part supported by the elastic supporting legs in the free state drives the screen grains in the screen to vibrate along with Z, X, Y three directions, the Z-direction force enables the screen grains to be thrown up and bounce in the screen, and the X-direction force and the Y-direction force can reduce the phenomenon that the screen grains block the screen holes, so that the purpose of improving the screening efficiency is achieved.
CN201710185513.8A 2017-03-26 2017-03-26 Ultrasonic three-dimensional force vibrating screen Active CN107661857B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710185513.8A CN107661857B (en) 2017-03-26 2017-03-26 Ultrasonic three-dimensional force vibrating screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710185513.8A CN107661857B (en) 2017-03-26 2017-03-26 Ultrasonic three-dimensional force vibrating screen

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CN107661857A CN107661857A (en) 2018-02-06
CN107661857B true CN107661857B (en) 2020-10-16

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202045073U (en) * 2011-02-25 2011-11-23 周志强 Three-freedom-degree hybrid vibrating screen
CN102120214B (en) * 2011-04-21 2012-12-19 江苏大学 Three-degree-of-freedom series and parallel connection vibrating screen
CN203140292U (en) * 2013-03-27 2013-08-21 北京伊士通新材料发展有限公司 Vibrating screen
CN104624487B (en) * 2015-01-20 2016-09-14 江苏大学 A kind of Three Degree Of Freedom vibrosieve based on hybrid mechanism
CN105689260A (en) * 2016-04-26 2016-06-22 吴明洋 Vibratory screening device

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Effective date of registration: 20200915

Address after: 233600 Economic Development Zone, Woyang County, Bozhou City, Anhui Province (zone B)

Applicant after: Anhui Dao Yuantang prepared slices of Chinese crude drugs Co.,Ltd.

Address before: 443002 Yichang City, Hubei Province 10-102 shiziling Road, Xiling District, Yichang City, Hubei Province

Applicant before: Xu Changyi

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