CN2754742Y - Circular hollow ultrasonic vibrator of rotary screening machine and rotary vibratina screenina machine - Google Patents
Circular hollow ultrasonic vibrator of rotary screening machine and rotary vibratina screenina machine Download PDFInfo
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- CN2754742Y CN2754742Y CN 200420084138 CN200420084138U CN2754742Y CN 2754742 Y CN2754742 Y CN 2754742Y CN 200420084138 CN200420084138 CN 200420084138 CN 200420084138 U CN200420084138 U CN 200420084138U CN 2754742 Y CN2754742 Y CN 2754742Y
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- ultrasonic
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- contact pick
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Abstract
The utility model relates to a circular hollow ultrasonic vibrator of rotary vibrating screen apparatus, wherein a vibration transferring circular ring (1) is fixed on the upper part of the fixing bracket (4) of the apparatus. A vibration transferring device (2) is welded on the vibration transferring circular ring. An ultrasonic oscillator (3) is installed inside the vibration transferring device. The vibration transferring circular ring, the vibration transferring device and the ultrasonic oscillator jointly constitute a harmonic oscillation body. The vibration transferring circular ring is made by bending a metallic hollow rectangle, whose side length is no longer than 40 millimeters and whose thickness of wall is no thicker than 2 millimeters. At most four vibration transferring devices can be evenly distributed on the circumference of the vibration transferring circular ring. The harmonic frequency of the ultrasonic oscillator is 20-40kHz. A mechanical type rotary vibrating screening machine is furnished with the vibratory apparatus. The vibratory apparatus is installed on the hoop (7) of the screening machine through the fixing bracket. The upper end-face of the vibration transferring circular ring and the screen cloth (6) are in adhesive joint. The apparatus has high vibration frequency. The vibration acceleration is 1000 times as high as the gravity acceleration order of magnitude. The screening efficiency is high, and the screen out rate of fine powders is enhanced. The utility model can effectively transmit the ultrasonic vibration to the screen cloth and generate even oscillation on the screen cloth surface.
Description
Technical field
The utility model relates to a kind of auxiliary equipment of solid powder particle sorting, specifically is a kind of rotor-vibrating screen hollow ring ultrasonic vibration apparatus, is used with mechanical type whirling vibration screening machine, can be widely used in flour milling industry and field of medicaments.The utility model also relates to a kind of mechanical type whirling vibration screening machine that above-mentioned ultrasonic vibration apparatus is installed.
Background technology
Conventional mechanical type whirling vibration screening machine is to utilize eccentric vibrating motor to drive the screw that sieve nest produces ternary time, powder is slided on the screen cloth wire side and produces screening effect.When thin or service time is longer when the powder that is sieved, tend to produce the phenomenon of sieve pore blockade, screening effect is descended.Conventional solution is that some rubber beads are installed below screen cloth, in use utilizes beating of rubber bead to knock wire side, plays the effect of cleaning mesh.This method has certain effect to the mesh below 200 orders, and when mesh density during greater than 300 orders, this method works hardly.And, mesh distortion, wire side are relaxed because the impact amplitude of ball is bigger and inhomogeneous, and cause screen cloth to damage in early days, reduce effectiveness of classification.The vibration that at present also has some patented products to relate to ultrasonic frequency is incorporated on the screen cloth wire side, has played and has improved the effect of screening effect, but still had certain problem, and the space is significantly improved.
The utility model content
The utility model provides a kind of vibrating device of brand-new ultrasonic frequency, the mechanical oscillation of ultrasonic frequency can be transmitted to effectively on the screen cloth wire side, make each point on the screen cloth wire side produce a little ultrasonic wave mechanical oscillation frequently equably, general amplitude is no more than several μ m, and vibration frequency is in 20～40kHz scope.Though the amplitude of each point is very small on the screen cloth wire side, because the vibration frequency height so vibration acceleration is very big, generally can reach the order of magnitude of 1000 times of acceleration of gravity.Under so big acceleration effect, be difficult to retain powder in the mesh, mesh is very smooth as getting, and makes powder by becoming easier, thereby improved screening efficiency significantly, and conventional screening can't can effectively be sifted out by the superfine powder (more than 300 orders) of screen cloth; Because the specific area of fine powder is big, thereby easily adsorbs into granule mutually, the impulsive force that the high acceleration vibration of screen cloth produces can be broken up this granule, has improved the rate of sifting out of fine powder.
The problem that the utility model solves emphatically is that the vibration with the ultrasonic wave sound source is sent on the screen cloth efficiently, and each point produces basic vibrating effect uniformly on wire side.For this reason, the utility model design uses a kind of hollow ring as passing vibrating device, and annulus adopts the hollow rectangle metal tube to make, and has obtained good result of use.
Ultrasonic vibration apparatus of the present utility model comprises and passes shake annulus, contact pick-up, ultrasonic oscillator, device fixed support and ultrasonic power.The biography annulus that shakes is fixed on the device fixed support by the welding or the mode of mechanical connection, contact pick-up adopts the mode of welding to be installed in and passes on the annulus that shakes, ultrasonic oscillator connects or the mode of mechanical connection is fixed on contact pick-up inside by gluing, and the driving cable of ultrasonic oscillator is drawn and is connected on the ultrasonic power.Described biography is shaken, and annulus, contact pick-up and ultrasonic oscillator are common to constitute the resonant body of a frequency in 20～40kHz scope.
The described biography annulus that shakes is bent by the hollow rectangle pipe and forms, and the height of this hollow rectangle pipe and width all are not more than 40 millimeters, and wall thickness is not more than 2 millimeters.
Described contact pick-up is the hollow cylinder of wall thickness 2～3mm.
Shake circle diameter when big when biography, maximum 4 ultrasonic oscillators can evenly be set thereon.
The utility model also provides a kind of mechanical type whirling vibration screening machine that above-mentioned ultrasonic vibration apparatus is installed.Described ultrasonic vibration apparatus is installed on the net circle of mechanical type whirling vibration screening machine by the device fixed support, and the upper surface and the screen cloth that pass the annulus that shakes are fitted, and are glued.The driving cable of ultrasonic oscillator is drawn the sieve nest outside, is connected on the ultrasonic power.Every layer of screen cloth all can be installed a cover ultrasonic vibration apparatus, also can optionally on certain layer of screen cloth ultrasonic vibration apparatus be installed, and so just constituted a high efficiency ultrasonic wave whirling vibration screening machine.
The shake diameter of annulus of described biography is determined according to the wire side diameter of the screen cloth of whirling vibration screening machine, generally is not more than 80% of wire side diameter.
The whirling vibration screening machine that the utility model ultrasonic vibration apparatus is installed has the following advantages:
1. screening efficiency improves greatly, reaches as high as more than 5 times, simultaneously a sifting net rate is obviously improved, and effectively improves the quality of products;
2. avoid the mesh clogging basically, do not needed to clear up screen cloth in the use;
3. can effectively sieve the fine powder that some conventional whirling vibration screening machine can not sieve.
Description of drawings
Fig. 1 is a kind of simple oscialltor ultrasonic vibration apparatus structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is a kind of many oscillators ultrasonic vibration apparatus structural representation of the present utility model;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the profile that the whirling vibration screening machine of the utility model ultrasonic vibration apparatus has been installed.
The specific embodiment
Be described in detail below in conjunction with the specific embodiment of accompanying drawing ultrasonic vibration apparatus of the present utility model.
Shown in Fig. 1-4, ultrasonic vibration apparatus of the present utility model comprises and passes the annulus 1 that shakes, contact pick-up 2, ultrasonic oscillator 3, device fixed support 4 and ultrasonic power 5.
All be not more than metal hollow rectangular tube that 40 millimeters, wall thickness are not more than 2 millimeters with height and width and be bent into and pass the annulus 1 that shakes, the diameter that passes the annulus 1 that shakes is definite according to the wire side diameter of the screen cloth of whirling vibration screening machine, generally is not more than 80% of wire side diameter.Contact pick-up 2 is the hollow cylinder of wall thickness 2～3mm.The shake diameter and the height of diameter, contact pick-up 2 of annulus 1 of biography designs by the resonance rule.
The mode that contact pick-up 2 adopts welding and the biography annulus 1 that shakes is connected, and ultrasonic oscillator 3 connects or the mechanical ways of connecting of bolt is fixed on contact pick-up 2 inside by gluing.Ultrasonic oscillator 3 of the internal fixation of each contact pick-up 2.The effect that contact pick-up 2 has been held concurrently ultrasonic oscillator 3 is sealed.Shake annulus 1 diameter when big when biography, can evenly be provided with thereon at most to 4 ultrasonic oscillators 3 (referring to Fig. 3-4), so that it is enough big to pass the surperficial amplitude of the annulus 1 that shakes.The biography annulus 1 that shakes is fixed on the device fixed support 4 by welding or bolt machinery ways of connecting.The driving cable of ultrasonic oscillator 3 is drawn and is connected on the ultrasonic power 5.Biography is shaken, and annulus 1, contact pick-up 2 and ultrasonic oscillator 3 are common to constitute the resonant body of frequencies in 20～40kHz scope, and in other words, the operating frequency of ultrasonic vibration apparatus is in 20～40kHz scope.
As shown in Figure 5, device fixed support 4 is installed on the net circle 7 of mechanical type whirling vibration screening machine by welding or bolt machinery ways of connecting.The shake upper surface of annulus 1 and screen cloth 6 of biography fitted, and is glued.The driving cable of ultrasonic oscillator 3 is drawn the sieve nest outside, be connected on the ultrasonic power 5.All interior ultrasonic oscillators 3 of ultrasonic vibration apparatus are controlled and are driven by a ultrasonic power 5.
The course of work: each tie point on the locking screening machine, connect power supply, start ultrasonic power 5, the vibrating motor 8 that starts screening machine can carry out work.The amplitude of ultrasonic vibration is subjected to ultrasonic power 5 regulation and control, can select arbitrarily between 0～maximum, and can select ultrasonic vibration to be operated in continuously or intermittent operation, to adapt to the screening demand of heterogeneity powder.
Claims (14)
1. rotor-vibrating screen hollow ring ultrasonic vibration apparatus, be used to be installed in the whirling vibration screening machine, it comprises and passes the annulus (1) that shakes, contact pick-up (2), ultrasonic oscillator (3), device fixed support (4) and ultrasonic power (5), it is characterized in that: contact pick-up (2) is installed in and passes on the annulus (1) that shakes, ultrasonic oscillator (3) is installed in the inside of contact pick-up (2), the biography annulus (1) that shakes is fixed on the top of device fixed support (4), and the driving cable of ultrasonic oscillator (3) is drawn and is connected on the ultrasonic power (5); Shake annulus (1), contact pick-up (2) and ultrasonic oscillator (3) of described biography constitutes a resonant body jointly; The described biography annulus (1) that shakes bends with the metal hollow rectangular tube and forms.
2. ultrasonic vibration apparatus according to claim 1 is characterized in that: the frequency of described resonant body is in 20～40kHz scope.
3. ultrasonic vibration apparatus according to claim 1 and 2 is characterized in that: the height of described hollow rectangle pipe and width all are not more than 40 millimeters, and wall thickness is not more than 2 millimeters.
4. ultrasonic vibration apparatus according to claim 1 is characterized in that: described contact pick-up (2) adopts the mode of welding to be fixed on and passes on the annulus (1) that shakes; Described ultrasonic oscillator (3) connects or the mode of mechanical connection is installed on the interior lower end face of contact pick-up (2) by gluing; The described biography annulus (1) that shakes is fixed on the top of device fixed support (4) by the welding or the mode of mechanical connection.
5. ultrasonic vibration apparatus according to claim 1 and 2 is characterized in that: described contact pick-up (2) is the hollow cylinder of wall thickness 2～3mm.
6. according to claim 1,2 or 4 each described ultrasonic vibration apparatus, it is characterized in that: described biography is shaken and can be welded with a plurality of contact pick-ups (2) on the annulus (1), contact pick-up (2) is distributed on the circumference that passes annulus (1) that shakes, and each biography is shaken and can be welded 4 contact pick-ups (2) at most on the annulus (1).
7. according to claim 1,2 or 4 each described ultrasonic vibration apparatus, it is characterized in that: the Oscillation Amplitude of described device is subjected to ultrasonic power (5) regulation and control and can selects arbitrarily, and can select ultrasonic vibration to be operated in continuously or intermittent operation.
8. one kind is equipped with the whirling vibration screening machine that the described rotor-vibrating screen of claim 1 is used the hollow ring ultrasonic vibration apparatus, have screen cloth (6), net circle (7) and vibrating motor (8), it is characterized in that: described ultrasonic vibration apparatus is installed on the net circle (7) of screening machine by described device fixed support (4), the shake screen cloth (6) of the upper surface of annulus (1) and screening machine of biography is fitted and is glued, the driving cable of ultrasonic oscillator (3) is drawn the sieve nest outside, is connected on the ultrasonic power (5).
9. whirling vibration screening machine according to claim 8 is characterized in that: every layer of screen cloth (6) of described screening machine all installed the described ultrasonic vibration apparatus of a cover, also optionally goes up at certain layer of screen cloth (6) described ultrasonic vibration apparatus is installed.
10. it is characterized in that according to Claim 8 or 9 described whirling vibration screening machines: the shake diameter of annulus (1) of described biography is not more than 80% of screening machine screen cloth wire side diameter.
11. according to Claim 8 or 9 described whirling vibration screening machines, it is characterized in that: the frequency of described resonant body is in 20～40kHz scope.
12. according to Claim 8 or 9 described whirling vibration screening machines, it is characterized in that: the height of described hollow rectangle pipe and width all are not more than 40 millimeters, and wall thickness is not more than 2 millimeters.
13. according to Claim 8 or 9 described whirling vibration screening machines, it is characterized in that: described contact pick-up (2) is the hollow cylinder of wall thickness 2～3mm.
14. according to Claim 8 or 9 described whirling vibration screening machines, it is characterized in that: described each biography is shaken and evenly is welded with maximum 4 contact pick-ups (2) on the circumference of annulus (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420084138 CN2754742Y (en) | 2004-07-22 | 2004-07-22 | Circular hollow ultrasonic vibrator of rotary screening machine and rotary vibratina screenina machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420084138 CN2754742Y (en) | 2004-07-22 | 2004-07-22 | Circular hollow ultrasonic vibrator of rotary screening machine and rotary vibratina screenina machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2754742Y true CN2754742Y (en) | 2006-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420084138 Expired - Lifetime CN2754742Y (en) | 2004-07-22 | 2004-07-22 | Circular hollow ultrasonic vibrator of rotary screening machine and rotary vibratina screenina machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2754742Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580918A (en) * | 2012-02-28 | 2012-07-18 | 裕东（中山）机械工程有限公司 | Vibrating screen with rubber-isolation resonance loop |
| TWI409201B (en) * | 2010-12-14 | 2013-09-21 | Metal Ind Res & Dev Ct | Transporting device |
| CN107855270A (en) * | 2017-12-27 | 2018-03-30 | 新乡市振英机械设备有限公司 | A kind of ultrasonic activation sieve |
-
2004
- 2004-07-22 CN CN 200420084138 patent/CN2754742Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI409201B (en) * | 2010-12-14 | 2013-09-21 | Metal Ind Res & Dev Ct | Transporting device |
| CN102580918A (en) * | 2012-02-28 | 2012-07-18 | 裕东（中山）机械工程有限公司 | Vibrating screen with rubber-isolation resonance loop |
| CN107855270A (en) * | 2017-12-27 | 2018-03-30 | 新乡市振英机械设备有限公司 | A kind of ultrasonic activation sieve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address of the patentee after: 102200 Zhongxing Road 10, Changping District science and Technology Park, Beijing Address of the patentee before: 102200, 9, Chuangxin Road, Beijing, Changping District |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140722 Granted publication date: 20060201 |
|
| DD01 | Delivery of document by public notice |
Addressee: Zhang Yimiao Document name: Notification of Expiration of Patent Right Duration |