CN205288958U - Multi -frequency vibrating screen - Google Patents
Multi -frequency vibrating screen Download PDFInfo
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- CN205288958U CN205288958U CN201620002043.8U CN201620002043U CN205288958U CN 205288958 U CN205288958 U CN 205288958U CN 201620002043 U CN201620002043 U CN 201620002043U CN 205288958 U CN205288958 U CN 205288958U
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- pneumatic vibrator
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Abstract
The utility model discloses a multi -frequency vibrating screen, it includes screen frame, rack, screen cloth and vibrating motor, rack on the screen(ing) machine and screen cloth bond and constitute a whole back and be connected with pneumatic vibrator and ultrasonic transducer on it, the rack is by rack ectosome, the rack resonance body, passes the board welding of shaking and constitute, and the periphery evenly distributed welding of the rack resonance body has and passes the board that shakes, pneumatic vibrator fixes on the rack resonance body, the last air inlet of pneumatic vibrator passes through high -pressurepipe to be connected with the high -pressure gas controller, and pneumatic vibrator passes through last gas outlet high -pressurepipe and is discharged by the blast pipe muffler of end -to -end connection, ultrasonic transducer's output is connected through the input of data line with supersonic generator. This technical scheme passes through the frequency of three kinds of differences, and different effects has been played in the vibration of this three frequency and production in screening process.
Description
Technical field:
This utility model relates to a kind of multi-frequency screening machine, be particularly well-suited to that viscosity is big, easily reunion, easy sticky net, network blocking, the material screening of paste net and classification.
Background technology:
Along with the progress of science and technology, product quality requires more and more higher, and in order to reduce production cost, the raising of production efficiency is particularly important. at present, screening plant is applied widely in the screening treatment industry such as food, chemical industry, medicine, metallurgy, abrasive material, plastics, pottery, glass, coating, new forms of energy. of a great variety due to screening materials carrying, the factor affecting screening precision and yield mainly has: raw material types, shape, proportion, temperature, humidity, mesh, granular size, particle size distribution etc. such as synthetic resin (granule, small grain, sphere, powder), coating, pigment, dyestuff (powder body or liquid), pharmaceuticals, industry medicine (granule, sugar grain), soap, wood powder, Sal Nitri, rubber, pad underfill material, graphite, submicron particle, potter's clay and clay, food processing, new energy materials etc., owing to powder is thinner, bulk density is less, during screening, between granule, phase mutual friction formation electrostatic is easily reunited, formed spherical, block mesh simultaneously, cause screening efficiency low, frequent draping, cost can be caused to increase, increase staff labor intensity, in order to solve above-mentioned Problems existing, generally, the method implanting external force vibration inside screen(ing) machine solves, such as ultrasound wave, bounder, air-flow, hairbrush etc., owing to being subject to characteristic and the frequency limitation of structure and various clear net mode, can not be simultaneously implanted, can not effectively solve as reunited, stifled, stick with paste the phenomenon of mesh. as increased grounding device on screen(ing) machine body, fricative electrostatic during material movement still can not be discharged, and the reunion caused, still cause material to block up the phenomenon sticking with paste screen cloth mesh, reunion ball moves on screen cloth, and production efficiency is low, and cost increases, and labor intensity is high.
Summary of the invention:
Task of the present utility model is to propose one to strengthen the saturating net rate of material, reaches not network blocking, does not stick with paste net, does not reunite, a kind of Multi-frequency vibration sieve that material is evenly distributed.
Task of the present utility model so completes, a kind of Multi-frequency vibration sieve, it includes sieve nest, rack, screen cloth and vibrating motor, it is characterized in that: after one entirety of composition bonding with screen cloth of the rack on screen(ing) machine, it is connected to pneumatic vibrator and ultrasonic transducer, described rack is by rack ectosome, rack resonating body, pass vibration plate welding to constitute, the periphery of rack resonating body is uniformly distributed and is welded with biography vibration plate, described pneumatic vibrator is integrally fixed in rack resonating body, air inlet on described pneumatic vibrator is connected with gases at high pressure controller by high-pressure air pipe, the exhaust pipe silencer that gas outlet on pneumatic vibrator is connected by end by high-pressure air pipe is discharged, the outfan of described ultrasonic transducer is connected with the input of supersonic generator by data wire.Described biography vibration plate one end is connected with rack resonating body, and its other end is connected with rack ectosome, and described biography vibration plate is a lath, and the centre of lath is provided with one or more hole. The shape of described rack resonating body is circle, square, snail like, ellipse, rectangle, the shape of rack be described above any one. Described pneumatic vibrator is to be fixed in rack resonating body by high-strength screw and nut assembling plain cushion and spring pad, pneumatic vibrator install quantity at least more than one, the air of the Constant Voltage Clean that the pressure-air of pneumatic vibrator is provided by gases at high pressure controller is input to the air inlet of pneumatic vibrator by high-pressure air pipe, air-flow promotes vibrator vibration, and gas is discharged by the outlet of pneumatic vibrator. Described ultrasonic transducer is provided with connection screw thread be connected with rack resonating body, or is screwed outside extraction screen(ing) machine, ultrasonic transducer is provided with data line interface, the ultrasonic frequency of supersonic generator its production 35KHz-38KHz.
This utility model has the following effects: the technical program is by frequency three kinds different, and in screening process, the vibration of these three frequency and generation thereof serves different effects. The frequency shift of screening machine self movement locus of material, makes material regular movement and rolling on wire side. Material all has an opportunity to contact wire side on wire side. The vibration that pneumatic vibrator produces, makes material avoid reunion, adhesion, paste net. The vibration that ultrasound wave produces, makes fine powder can not adhere to mesh wire through upper, so not network blocking. Three different frequency of vibration and various amplitude are overlapped mutually simultaneously, can produce different frequencies and amplitude, make the material acceleration of screening be continually changing. Running orbit is continually changing in little scope, so overcoming a difficult problem for the classification of the various material not easily sieved, roguing, filtration, decreasing granule network blocking, sticking with paste the phenomenon of net, adds the saturating net rate of material, greatly improve production efficiency, reduce production cost.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of technical scheme; Fig. 2 is Figure 1A portion schematic enlarged-scale view; Fig. 3 is rack resonator structure schematic diagram; Fig. 4 is rack resonating body another kind embodiment; Fig. 5 is rack resonating body snail like structural representation; Fig. 6 is the structural representation that rack resonating body is oval; Fig. 7 is rack resonating body rectangle structure schematic diagram; Fig. 8 is Figure 1B portion pneumatic vibrator and the structural representation of rack resonating body; Fig. 9 is the connection figure of pneumatic vibrator and gases at high pressure; Figure 10 is Fig. 1 C portion structure for amplifying schematic diagram; Figure 11 is ultrasound wave and ultrasonic transducer structure schematic diagram.
Drawing illustrates: 1, sieve nest; 2, rack; 3, pneumatic vibrator; 3-1, high-strength screw; 3-2, air vent; 3-3, air inlet; 3-4, exhaust pipe silencer; 4, vibrating motor; 5, gases at high pressure controller; 6, screen cloth; 7, ultrasonic transducer; 8, data wire; 9, high-pressure air pipe; 10, supersonic generator; 10-1, power line; 11, rack resonating body; 11-1, screw thread; 12, vibration plate is passed; 13, rack ectosome; 14, locking clamp.
Detailed description of the invention:
The technical program feature according to material characteristic and screening process, solves existing screening machine owing to powder is relatively thin, bulk density is less, during screening, it is easy to reunite, formed spherical, block mesh simultaneously, the problem needing frequent draping. Specific embodiment is as it is shown in figure 1, multifrequency screening machine mainly has sieve nest 1, rack 2, vibrating motor 3, screen cloth 6 to constitute.Described rack 2 and screen cloth 6 gluing are connected together with strong so that it is forming one on the whole, described strong glue is to select AB glue KD-504A or AS406 glue. Screening machine is itself by vibrating motor 4 or the imbalance adopting the upper and lower eccentric block of vibrator, it is level, vertical, the compound motion that tilts by the conversion of motion of motor or vibrator, again this is moved through rack and pass to screen cloth face, make material regular mobile rolling on wire side, regular edge or the one end of moving to of the material that can not pass through screen cloth is made to discharge, thus playing the effect that screening is filtered. Described above is the connection of each parts of existing screening machine, does not describe in detail.
Does description about frequency and amplitude eliminate? it is made up of frequency of vibration three kinds different, both the frequency of vibration that screen(ing) machine vibrating motor or vibrator produce, for changing the flow direction of material, frequency is typically in 700-3000 beat/min, amplitude 3-6mm, the second is the frequency of vibration that pneumatic vibrator produces, its given frequency is at 10000-30000 beat/min, amplitude 0.3-0.7mm, for increasing material acceleration on screen cloth face, solve reunion, adhesion, paste hole, better differentiation material distribution on wire side. The third is the short arc ultrasonic frequency implanting a 35KHz-38KHz on wire side, and the about 0.03mm of its amplitude, to increase kinergety and the acceleration of material near screen cloth string diameter, makes material not adhere to string diameter, thus playing the purpose of not network blocking
The technical program is as shown in Figure 1, after rack on screen(ing) machine one entirety of composition bonding with screen cloth, it is connected to pneumatic vibrator 3, ultrasonic transducer 7, the vibration of sieve nest 1, the vibration of pneumatic vibrator 3 and hyperacoustic vibration are delivered on screen cloth 6 by rack 2, and described rack 2 is to be fixed on sieve nest (as shown in Figure 2) by locking clamp 14.
Structure such as Fig. 3 of described rack 2, 4, 5, 6 and Fig. 7 shown in, rack is to be made up of rack ectosome 13 rack resonating body 11 and biography vibration plate 12 welding, furtherly: the periphery of rack resonating body 11 is uniformly distributed and is welded with biography vibration plate 12, furtherly: described biography vibration plate one end is connected with rack resonating body, its other end is connected with rack ectosome 13, connected mode can adopt welding, described biography vibration plate is a lath, the centre of lath is provided with one or more hole, purpose is that pneumatic vibrator plays the effect of damping and buffering, shape such as Fig. 3 of described rack resonating body is circular, Fig. 4 is in square, Fig. 5 is snail like, Fig. 6 is oval, Fig. 7 is rectangle, the shape of rack be described above any one.
Described pneumatic means is as shown in Figure 8 and Figure 9, pneumatic vibrator 3 is to be fixed in rack resonating body by high-strength screw 3-1 and nut assembling plain cushion and spring pad, the vibration force size that the installation quantity of pneumatic vibrator is according to the area of rack, structure and pneumatic vibrator is arranged, at least more than one, furtherly, if needing in rack resonating body to install 2 pneumatic vibrators 3, installation site can be diagonal angle arrangement. Air inlet 3-3 on described pneumatic vibrator is connected with gases at high pressure controller 5 by high-pressure air pipe 9, the exhaust pipe silencer 3-4 that air vent 3-2 on pneumatic vibrator is connected by end by high-pressure air pipe 9 discharges, and described high-pressure air pipe 9 is welded on sieve nest 1 (as shown in Figure 9) by trachea connector. The air of the Constant Voltage Clean that the pressure-air of pneumatic vibrator is provided by gases at high pressure controller 5, is input to the air inlet of pneumatic vibrator 3 by high-pressure air pipe 9, and air-flow promotes vibrator vibration, and gas is discharged by the outlet of pneumatic vibrator.
Described ultrasonic transducer 7 is as shown in Figure 10 and Figure 11, ultrasonic transducer is provided with connection screw thread 11-1 be connected with rack resonating body, or be screwed outside extraction screen(ing) machine, furtherly, ultrasonic transducer is a device converting electrical energy into kinetic energy, its inner ceramic sheet produces dilation under the effect of electric current and forms vibration, its electric energy comes from ultrasonic transducer 10, the outfan of described ultrasonic transducer is connected with the input of supersonic generator by data wire 8, furtherly, ultrasonic transducer is provided with data line interface 8, the ultrasonic transducer area according to rack, the watt level of structure and ultrasonic transducer at least adopts one or more being evenly distributed in rack resonating body. the ultrasonic frequency of described supersonic generator its production 35KHz-38KHz, it is input to ultrasonic transducer 7 by data wire 8, the vibration that ultrasonic transducer produces is delivered on the wire side of screen cloth 6 by rack resonating body 11, by biography vibration plate 12(, pneumatic vibrator 3 is started damping, buffering effect simultaneously, ultrasonic amplitude is less relative to pneumatic vibrator, the effect of transmission vibration is played at this) it is delivered to rack ectosome 13, make whole wire side all can be vibrated, supersonic generator 10 is positioned over outside screen(ing) machine and is not involved in vibration, described ultrasound data lines 8, pneumatic vibrator high-pressure air pipe 9 is screwed on sieve nest.
The vibration of screening machine is provided by vibrating motor (or vibrator), the vibration of pneumatic vibrator is provided by pneumatic vibrator by gases at high pressure, hyperacoustic vibration is provided by sonotrode, these three vibration all has respective frequency of vibration and amplitude, play each different effects, their superposition simultaneously can change again their natural frequency and amplitude, and produce new frequency and amplitude, constantly change Material moving track and acceleration, make material quickly saturating net, reaching anti-blocking, the anti-purpose sticking with paste net, to improve screening efficiency.
Claims (5)
1. a Multi-frequency vibration sieve, it includes sieve nest, rack, screen cloth and vibrating motor, it is characterized in that: after one entirety of composition bonding with screen cloth of the rack on screen(ing) machine, it is connected to pneumatic vibrator and ultrasonic transducer, described rack is by rack ectosome, rack resonating body, pass vibration plate welding to constitute, the periphery of rack resonating body is uniformly distributed and is welded with biography vibration plate, described pneumatic vibrator is integrally fixed in rack resonating body, air inlet on described pneumatic vibrator is connected with gases at high pressure controller by high-pressure air pipe, the exhaust pipe silencer that gas outlet on pneumatic vibrator is connected by end by high-pressure air pipe is discharged, the outfan of described ultrasonic transducer is connected with the input of supersonic generator by data wire.
2. a kind of Multi-frequency vibration sieve according to claim 1, it is characterised in that: described biography vibration plate one end is connected with rack resonating body, and its other end is connected with rack ectosome, and described biography vibration plate is a lath, and the centre of lath is provided with one or more hole.
3. a kind of Multi-frequency vibration sieve according to claim 2, it is characterised in that: the shape of described rack resonating body is circle, square, snail like, ellipse, rectangle, the shape of rack be described above any one.
4. a kind of Multi-frequency vibration sieve according to claim 1, it is characterized in that: described pneumatic vibrator is to be fixed in rack resonating body by high-strength screw and nut assembling plain cushion and spring pad, pneumatic vibrator install quantity at least more than one, the air of the Constant Voltage Clean that the pressure-air of pneumatic vibrator is provided by gases at high pressure controller is input to the air inlet of pneumatic vibrator by high-pressure air pipe, air-flow promotes vibrator vibration, and gas is discharged by the outlet of pneumatic vibrator.
5. a kind of Multi-frequency vibration sieve according to claim 1 or 4, it is characterized in that: described ultrasonic transducer is provided with connection screw thread and is connected with rack resonating body, or be screwed outside extraction screen(ing) machine, ultrasonic transducer is provided with data line interface, the ultrasonic frequency of supersonic generator its production 35KHz-38KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620002043.8U CN205288958U (en) | 2016-01-04 | 2016-01-04 | Multi -frequency vibrating screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620002043.8U CN205288958U (en) | 2016-01-04 | 2016-01-04 | Multi -frequency vibrating screen |
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| CN205288958U true CN205288958U (en) | 2016-06-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499122A (en) * | 2016-01-04 | 2016-04-20 | 新乡市振英机械设备有限公司 | Multi-frequency vibrating screen |
| CN106216061A (en) * | 2016-07-28 | 2016-12-14 | 董超超 | A kind of dyestuff body processing system utilizing ultrasound wave |
| CN106493069A (en) * | 2016-12-19 | 2017-03-15 | 新乡市振英机械设备有限公司 | A kind of supersonic test sieve |
| CN107159562A (en) * | 2017-07-17 | 2017-09-15 | 苏州三峰激光科技有限公司 | Screening plant and titanium alloy powder screening system |
| CN109551614A (en) * | 2018-10-11 | 2019-04-02 | 中国科学院宁波材料技术与工程研究所 | A kind of ultrasonic unit for powder pressing forming |
-
2016
- 2016-01-04 CN CN201620002043.8U patent/CN205288958U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105499122A (en) * | 2016-01-04 | 2016-04-20 | 新乡市振英机械设备有限公司 | Multi-frequency vibrating screen |
| CN106216061A (en) * | 2016-07-28 | 2016-12-14 | 董超超 | A kind of dyestuff body processing system utilizing ultrasound wave |
| CN106493069A (en) * | 2016-12-19 | 2017-03-15 | 新乡市振英机械设备有限公司 | A kind of supersonic test sieve |
| CN107159562A (en) * | 2017-07-17 | 2017-09-15 | 苏州三峰激光科技有限公司 | Screening plant and titanium alloy powder screening system |
| CN109551614A (en) * | 2018-10-11 | 2019-04-02 | 中国科学院宁波材料技术与工程研究所 | A kind of ultrasonic unit for powder pressing forming |
| CN109551614B (en) * | 2018-10-11 | 2021-04-20 | 中国科学院宁波材料技术与工程研究所 | Ultrasonic device for powder compression molding |
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