CN109821732A - Multiple activation source vibrating screen powder device - Google Patents
Multiple activation source vibrating screen powder device Download PDFInfo
- Publication number
- CN109821732A CN109821732A CN201910034472.1A CN201910034472A CN109821732A CN 109821732 A CN109821732 A CN 109821732A CN 201910034472 A CN201910034472 A CN 201910034472A CN 109821732 A CN109821732 A CN 109821732A
- Authority
- CN
- China
- Prior art keywords
- vibrating screen
- exciting
- activation source
- multiple activation
- powder device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of multiple activation source vibrating screen powder devices, the sieving machine structure being arranged is connect including mounting seat, the vibration regulating mechanism being set in mounting seat and with vibration regulating mechanism, the vibration regulating mechanism includes the elastic parts for providing exciting force and adjusting the exciting component of sieving machine structure and move reciprocatingly for sieving machine structure;A kind of multiple activation source vibrating screen powder device is provided, single motor energization source is cancelled, uses the mode of distributed multiple activation source fitting excitation instead to realize vibrational excitation;The program can not only evade the deficiency that above-mentioned motor adds eccentric block scheme, can also reduce the volume and weight of screening plant, improve screening efficiency.
Description
Technical field
The present invention relates to sieve powder equipment technical fields, and in particular to a kind of multiple activation source vibrating screen powder device.
Background technique
Vibrating screen is mainly made of sieve, driving source, controller three parts, and sieve is sharp under the forced vibration of driving source
The screening object above sieve is layered with screen movement and the collective effect of gravity, obtains oversize and screenings.Screening is one
The time-honored technology of door, from original hand sieving, finally steam power source vibrating screen, then electric vibrating till now
Sieve, the continuous innovation of power source are also the certainty of industry development.Sieving technology is widely applied to chemical industry, medicine, machinery, mining
Equal numerous areas, current main vibrating screen power source is mostly the scheme that motor adds eccentric block, in large-scale application scenarios, this side
Case almost accounts for absolutely ratio.
It is exactly motor speed, eccentric block position and quality that motor, which adds the scheme of eccentric block that parameter is mainly arranged,.Adjust it is single,
And the adjustment of more difficult progress next time once regulating later, thus determine that substantially a screening machine can only sieve certain
A type of powder is difficult to obtain preferable screening efficiency if it is another powder.In addition the group of current this scheme
Routine is closed with regard to only one motor as driving source, once this motor is out of order, this screening plant can not just work,
Structure is complicated for traditional screening plant, changes and also bothers, and installation step is cumbersome.
Therefore, in order to solve the above problem, a kind of multiple activation source vibrating screen powder device is needed, can be realized multi-functional processing,
Processing efficiency is improved, and guarantees that product quality is high.
Summary of the invention
In view of this, providing a kind of multiple activation source vibrating screen powder the purpose of the present invention is overcoming defect in the prior art
Device cancels single motor energization source, uses the mode of distributed multiple activation source fitting excitation instead to realize vibrational excitation.In
Central processor module, which is concentrated, issues control signal to adjust the opening and closings of multiple driving sources in real time, for different powder, select
Different incentive programs, incentive program include number, sequence, duration, the angle of frequency and exciting force in Work Incentive source, the party
Case can not only evade the deficiency that above-mentioned motor adds eccentric block scheme, can also reduce the volume and weight of screening plant, improve sieve
Select efficiency.
A kind of multiple activation source vibrating screen powder device, including mounting seat, the vibration regulating mechanism being set in mounting seat
And the sieving machine structure of setting is connect with vibration regulating mechanism, the vibration regulating mechanism includes for providing exciting force and adjusting
The exciting component of sieving machine structure and the elastic parts to move reciprocatingly for sieving machine structure;The exciting component is connected with control system
System, the exciting component be it is multiple, control system control exciting component is successively vibrated by setup parameter or control system
It controls at least two exciting components while vibrating.
Further, the exciting component include upper mounting assembly and lower mounting assembly and be set to up and down mounting assembly it
Between driving source.
Further, the upper mounting assembly is identical as lower mounting assembly structure and is symmetrical arranged along the vertical direction, it is described on
Mounting assembly is including one group of support and is articulated with connecting rod between two supports.
Further, the support includes the semicircle trunnion that a cylindrical body and one group are vertically installed in periphery,
Two semicircle trunnions are symmetrical arranged with respect to cylindrical body, are provided on described two semicircle trunnions for adjusting connecting rod and making to connect
The regulating device that bar and vertical direction shape form an angle.
Further, the vertical top of the mounting seat is provided with lower mounting circular ring and upper mounting circular ring, the elastic parts,
Exciting component is fixedly installed between lower mounting circular ring and upper mounting circular ring.
Further, the elastic parts and exciting component are arranged along upper and lower mounting circular ring circumferential direction uniform intervals.
Further, the elastic parts and exciting component are multiple groups, and the inter-module of exciting two-by-two is arranged with elasticity
Component.
Further, the sieving machine structure includes being fixedly connected with the thin-walled cylinder of setting with upper mounting circular ring, being set to thin-walled
Collection powder disk in cylinder and the sieve for being set to the vertical top of collection powder disk.
Further, the upper and lower mounting circular ring is provided with angle graduated scale.
The beneficial effects of the present invention are: a kind of multiple activation source vibrating screen powder device disclosed by the invention, for different sieves
Powder is selected, control system exports different control signals, realizes better screening effect, higher screening efficiency is obtained, even if
Wherein have Individual excitation source break down do not work, correspondingly, system can for new driving source number redistribute it is sharp
Scheme is encouraged, guarantees the lasting progress of screening work, improves the stability of equipment;Swashed using distributed driving source fitting vibrating screen
It encourages, improves system stability, robustness, and the magnanimous mitigation equipment self-weight of energy.
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the isometric side structure schematic diagram of the present invention;
Fig. 2 is positive structure diagram of the invention;
Fig. 3 is electromagnetic force direction of the present invention and spring attachment positions structural schematic diagram;
Fig. 4 is control module structural schematic diagram of the present invention;
Fig. 5 is the first electric and magnetic oscillation schematic diagram of the invention;
Fig. 6 is second of electric and magnetic oscillation schematic diagram of the invention;
Another electric and magnetic oscillation schematic diagram that Fig. 7 is second of the present invention;
Fig. 8 is the third electric and magnetic oscillation schematic diagram of the invention;
Fig. 9 is the 4th kind of electric and magnetic oscillation schematic diagram of the invention;
Figure 10 is solenoid driver circuit figure of the present invention.
Appended drawing reference
Lower mounting circular ring 1;Angle graduated scale 2;Support 3;Tuning drive gear 4;Spring 5;Electromagnetic block 6;Adjust bolt 7;Thin-walled
Cylinder 8;Sieve 9;Upper mounting circular ring 10;Mounting seat 11;Permanent magnets 12;Connecting rod 13;Compact heap 14.
Specific embodiment
Fig. 1 is the isometric side structure schematic diagram of the present invention, and Fig. 2 is positive structure diagram of the invention, and Fig. 3 is present invention electricity
Magnetic force direction and spring attachment positions structural schematic diagram, Fig. 4 are control module structural schematic diagram of the present invention, and Fig. 5 is of the invention the
A kind of electric and magnetic oscillation schematic diagram, Fig. 6 are second of electric and magnetic oscillation schematic diagram of the invention, Fig. 7 be the present invention the third
Electric and magnetic oscillation schematic diagram, Fig. 8 are the 4th kind of electric and magnetic oscillation schematic diagram of the invention, and Fig. 9 is the 4th kind of electromagnetism of the invention
Mode of vibration schematic diagram, Figure 10 are solenoid driver circuit figure of the present invention.As shown, including mounting seat 11, being set to peace
It fills 11 vibration regulating mechanism on pedestal and connect the sieving machine structure being arranged, the vibration regulating mechanism with vibration regulating mechanism
Including the elastic parts for providing exciting force and adjusting the exciting component of sieving machine structure and move reciprocatingly for sieving machine structure;
(there are many schemes for driving source, can be electromagnet, piezoelectric ceramics, linear motor etc., excellent in multiple activation source in the technical program
Choosing uses electromagnet) vibrating screen powder device cancels single motor energization source, use the mode of multiple electromagnet fitting excitations instead
To realize vibrational excitation, the opening and closing for issuing control signal to adjust multiple electromagnet is concentrated by CPU module, for
Different powder, selects different incentive programs, and incentive program includes the number of working electromagnet, sequence, duration, frequency and swashs
The direction for power of shaking, the program can not only evade the deficiency that conventional motors add eccentric block scheme, can also reduce the body of screening plant
Long-pending and weight improves screening efficiency.
In the present embodiment, the exciting component includes upper mounting assembly and lower mounting assembly and is set to installation group up and down
Driving source between part, it is preferred that be provided between the upper mounting assembly and lower mounting assembly and offer exciting is provided
The electromagnetic block 6 and permanent magnets 12 of power, the fit system using electromagnet and permanent magnets is easy for installation, and structure is simply easily operated,
Certain exciting source can be used electric cylinder or other mechanisms and can be achieved.Electromagnetic block 6 is connected with control system and to control
System provides the power supply (being not drawn into figure) of power, is changed by the setting of electromagnetic block 6 and permanent magnets 12 by traditional mechanical force
For electromagnetic force control, control system exports different control signals, realizes better screening effect, obtains higher screening effect
Rate, even if wherein there is individual electromagnetic blocks 6 not work, correspondingly, system can for new driving source number redistribute it is sharp
Scheme is encouraged, guarantees the lasting progress of screening work, improves the stability of equipment.
In the present embodiment, the upper mounting assembly is identical as lower mounting assembly structure and is symmetrical arranged along the vertical direction, institute
Mounting assembly is stated including one group of support 3 and is articulated with connecting rod 13 between two supports.Upper mounting assembly and lower installation group
Part is hingedly made of two supports 3 and a connecting rod 13, and the support 3 includes that a cylindrical body and one group are vertically set
It is placed in the semicircle trunnion of periphery, two semicircle trunnions are symmetrical arranged with respect to cylindrical body, set on described two semicircle trunnions
It is equipped with the adjusting bolt 7 for adjusting connecting rod 13 and connecting rod and vertical direction shape being made to form an angle, 3 structure of support is one
Semicircle trunnion, cylindrical body axial direction (i.e. vertical side in Fig. 2 there are two being symmetrical arranged are set on cylindrical body and cylindrical body
To) it is provided with threaded hole, cylindrical body is coupled by adjusting bolt 7 with upper and lower mounting circular ring, in two one group of support 3
Between by adjusting bolt 7 be connected with connecting rod 13, the angle of support 3 and vertical direction is realized by adjusting connecting rod 13 and is adjusted
Section, permanent magnets 12 are mounted on the undersetting of mounting assembly, and electromagnetic block 6 is mounted on the upper bracket of lower mounting assembly, are adjusted
When angle between upper undersetting, keeping parallelism is wanted in the upper bracket end face of the undersetting of upper mounting assembly and lower mounting assembly, such as
Shown in Fig. 3, by adjusting the angle between upper mounting assembly and lower mounting assembly, to change electromagnetic force F and vertical direction
Corner dimension, reach the adjusting of different angle, realize the screening of various products.
In the present embodiment, the vertical top of the mounting seat is provided with lower mounting circular ring 10 and upper mounting circular ring 1, the bullet
Property component, exciting component are fixedly installed between lower mounting circular ring and upper mounting circular ring.The elastic parts and exciting component edge
Upper and lower mounting circular ring circumferential direction uniform intervals arrangement, elastic parts can be spring leaf or other elastic parts, excellent
Choosing, the elastic parts is that ternary spring 5 is composed, and elastic parts and exciting component are multiple groups, described two
Two exciting inter-modules are arranged with elastic parts, it is preferred that exciting component is eight, and corresponding elastic parts is also eight, is swashed
Component and the elastic parts arranged for interval of shaking between upper and lower mounting circular ring, i.e., between elastic parts and adjacent exciting component with installation
It is 22.5 ° that circle ring center, which is formed by central angle, certainly, when elastic parts and exciting component are installed, elastic parts installation place position
The big 10-15mm of radius for setting radius ratio exciting component installation place position to the mounting circular ring center of circle in the mounting circular ring center of circle, is convenient for
Installation and removal replacement, elastic parts are ternary spring 5 composition, and structural arrangement setting in equilateral triangle is justified in installation
Between ring, the stability of lift structure effectively avoids single spring 5 from damaging and influences the operation of mechanism entirety.
In the present embodiment, such as Fig. 4, power module provides power for entire mechanism, and function setup module is used for system
Operating parameter, which is done, to be arranged and changes, and CPU module uses STM32,51 single-chip microcontrollers, and multi-channel electromagnet driving circuit is realized
The power compensation of the signal of CPU module output, LCD display drive module, LCD display then play signal processing
And the display of parameter, realize different control and regulation modes, by entire control mechanism to realize different vibrosieve effects
Fruit, as shown in Fig. 5-9, each incentive program abscissa is time, unit second (s);Ordinate be electromagnetic block 6 and permanent magnets 12 it
Between electromagnetic force, be eight electromagnetic forces circumferentially distributed along mounting circular ring respectively;Doughnut is the layout viewing of 8 electromagnetic blocks 6, point
Not Biao Shi 1-8 electromagnetic block 6, arrow indicate starting of oscillation electromagnetism serial number direction.Fig. 5 indicates only one exciting component work every time
Make, be only powered to an electromagnetic block 6 generate the method for operation of electromagnetic force every time, the effect that such mode vibrates generation is suitable for answering
The product screening low for vibration frequency, certainly, power-up sequence can be various ways, can connect by 6 numeric order of electromagnetic block
Logical to connect by appointed sequence number and then generate different vibrating effects, Fig. 6, Fig. 7 are to be also turned on two electromagnetic blocks 6 not
With the mode of vibration of getting type, Fig. 6 indicates first to connect No. 1 No. 2, connects No. 3 No. 4 later, successively connects in turn;Fig. 7 is indicated
No. 1 No. 3 are first connected, connects No. 5 No. 7, No. 2 No. 4, No. 6 No. 8 later;Fig. 8 is the method for operation for being also turned on three electromagnetic blocks 6,
Fig. 9 is the method for operation for being also turned on four electromagnetic blocks 6, selects different vibration exciters according to the vibration screening demand of different product
System, it is flexible and changeable, reach in the way of the timesharing point sequence of multiple driving sources work generation exciting force and is fitted vibrating effect.
In the present embodiment, the sieving machine structure includes the thin-walled cylinder 8 that setting is fixedly connected with upper mounting circular ring 10, setting
In the collection powder disk in thin-walled cylinder 8 and it is set to the sieve 9 of the vertical top of collection powder disk.It is provided on 8 outer tube wall of thin-walled cylinder
Installation step, installation step are assemblied in 10 inner ring of mounting circular ring, and installation step is fixed on installation circle by compact heap 14
The threaded hole being used cooperatively with adjusting bolt 7 is provided on ring 10, while on compact heap 14, it is thin that compact heap 14 not only acts as fastening
The effect of wall cylinder 8 while the effect of erection support 3 is also acted as, it is simple and compact for structure, convenient for changeing, each electromagnetism when energization
Block 6 has a permanent magnets block to cooperate the biggish active force of generation with it, by sharp under the control signal of CPU module
It encourages scheme and is successively opened and closed electromagnetic block 6, the generation exciting force of 9 circumferential gaps of sieve forces sieve 9 and then to vibrate, and partial size is than sieve
The small meeting in hole drops to the collection powder disk of lower section, and the powder bigger than sieve pore is left in above sieve 9, to realize screening process;It utilizes
Distributed driving source fitting vibrating screen excitation, improves system stability, robustness, and equipment self-weight can be greatly reduced, makes to shake
For traditional screening mechanism, performance is greatly improved dynamic screening mechanism performance.
In the present embodiment, the upper and lower mounting circular ring is provided with angle graduated scale 2, is provided on the cylindrical section of support 3
The tuning drive gear 4 being used cooperatively with angle graduated scale 2 facilitates tune by the mutual cooperation of tuning drive gear 4 and angle graduated scale 2
Whole different exciting scheme.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (9)
1. a kind of multiple activation source vibrating screen powder device, it is characterised in that: including mounting seat, the vibration being set in mounting seat
Regulating mechanism and the sieving machine structure that setting is connect with vibration regulating mechanism, the vibration regulating mechanism includes for providing exciting
Power and the elastic parts for adjusting the exciting component of sieving machine structure and moving reciprocatingly for sieving machine structure;The exciting component connection
Have a control system, the exciting component be it is multiple, the control system control exciting component successively vibrated by setup parameter or
Control system controls at least two exciting components and vibrates simultaneously.
2. vibrating screen powder device in multiple activation source according to claim 1, it is characterised in that: the exciting component includes upper peace
Arrangement and lower mounting assembly and the driving source being set between upper and lower mounting assembly.
3. vibrating screen powder device in multiple activation source according to claim 2, it is characterised in that: the upper mounting assembly and lower peace
Arrangement structure is identical and is symmetrical arranged along the vertical direction, and the upper mounting assembly is including one group of support and is articulated with two branch
Connecting rod between seat.
4. vibrating screen powder device in multiple activation source according to claim 3, it is characterised in that: the support includes a cylinder
Body and one group are vertically installed in the semicircle trunnion of periphery, and two semicircle trunnions are symmetrical arranged with respect to cylindrical body, described
The regulating device for adjusting connecting rod and connecting rod and vertical direction shape being made to form an angle is provided on two semicircle trunnions.
5. vibrating screen powder device in multiple activation source according to claim 4, it is characterised in that: the vertical top of mounting seat
It is provided with lower mounting circular ring and upper mounting circular ring, the elastic parts, exciting component are fixedly installed on lower mounting circular ring and upper peace
It fills between annulus.
6. vibrating screen powder device in multiple activation source according to claim 5, it is characterised in that: the elastic parts and exciting group
Part is arranged along upper and lower mounting circular ring circumferential direction uniform intervals.
7. vibrating screen powder device in multiple activation source according to claim 6, it is characterised in that: the elastic parts and exciting group
Part is multiple groups, and the inter-module of exciting two-by-two is arranged with elastic parts.
8. vibrating screen powder device in multiple activation source according to claim 7, it is characterised in that: the sieving machine structure include with it is upper
Mounting circular ring is fixedly connected with the thin-walled cylinder of setting, is set in thin-walled cylinder collection powder disk and be set to collection powder disk it is vertical on
The sieve of side.
9. vibrating screen powder device in multiple activation source according to claim 8, it is characterised in that: the upper and lower mounting circular ring is equal
It is provided with angle graduated scale.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910034472.1A CN109821732A (en) | 2019-01-15 | 2019-01-15 | Multiple activation source vibrating screen powder device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910034472.1A CN109821732A (en) | 2019-01-15 | 2019-01-15 | Multiple activation source vibrating screen powder device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109821732A true CN109821732A (en) | 2019-05-31 |
Family
ID=66860332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910034472.1A Pending CN109821732A (en) | 2019-01-15 | 2019-01-15 | Multiple activation source vibrating screen powder device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109821732A (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2172162Y (en) * | 1992-12-25 | 1994-07-20 | 首钢总公司 | F.M. vibrating nylon sieve |
JPH1071342A (en) * | 1996-08-30 | 1998-03-17 | Ube Ind Ltd | Vibration feeder fitted with grizzly |
CN2328437Y (en) * | 1998-06-02 | 1999-07-14 | 张海燕 | High precision shape selecting machine for diamond |
CN204523526U (en) * | 2015-04-07 | 2015-08-05 | 苏州鑫捷顺五金机电有限公司 | The automatic sand sieving machine of energy-conserving and environment-protective |
CN105478348A (en) * | 2016-01-21 | 2016-04-13 | 太原师范学院 | Efficient vibration screening machine and control method thereof |
CN106076827A (en) * | 2016-06-16 | 2016-11-09 | 安徽旺达铜业发展有限公司 | A kind of copper powder produces screening plant |
CN107335604A (en) * | 2017-07-28 | 2017-11-10 | 象州县科学技术情报研究所 | A kind of multi-point exciting vibratory sieve |
CN207071510U (en) * | 2017-05-09 | 2018-03-06 | 建平盛德日新矿业有限公司 | Mining linear vibrating screen |
-
2019
- 2019-01-15 CN CN201910034472.1A patent/CN109821732A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2172162Y (en) * | 1992-12-25 | 1994-07-20 | 首钢总公司 | F.M. vibrating nylon sieve |
JPH1071342A (en) * | 1996-08-30 | 1998-03-17 | Ube Ind Ltd | Vibration feeder fitted with grizzly |
CN2328437Y (en) * | 1998-06-02 | 1999-07-14 | 张海燕 | High precision shape selecting machine for diamond |
CN204523526U (en) * | 2015-04-07 | 2015-08-05 | 苏州鑫捷顺五金机电有限公司 | The automatic sand sieving machine of energy-conserving and environment-protective |
CN105478348A (en) * | 2016-01-21 | 2016-04-13 | 太原师范学院 | Efficient vibration screening machine and control method thereof |
CN106076827A (en) * | 2016-06-16 | 2016-11-09 | 安徽旺达铜业发展有限公司 | A kind of copper powder produces screening plant |
CN207071510U (en) * | 2017-05-09 | 2018-03-06 | 建平盛德日新矿业有限公司 | Mining linear vibrating screen |
CN107335604A (en) * | 2017-07-28 | 2017-11-10 | 象州县科学技术情报研究所 | A kind of multi-point exciting vibratory sieve |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN202045073U (en) | Three-freedom-degree hybrid vibrating screen | |
CN109682564A (en) | Six degree of freedom series parallel type electromagnetic vibration test platform | |
CN109682563A (en) | Five degree of freedom becomes cell type electromagnetic vibration test platform | |
CN102120214B (en) | Three-degree-of-freedom series and parallel connection vibrating screen | |
CN201470595U (en) | Four-degree-of-freedom series-parallel vibrating sieve | |
CN201415187Y (en) | Multi-amplitude vibrating screen | |
US20070261999A1 (en) | Elastic sieving technique and corresponding large-sized elastic vibration screen | |
CN107597553B (en) | Swing driving device for two-degree-of-freedom swing screen | |
CN111495754B (en) | Building grit sieving mechanism that can adjust | |
CN101357364A (en) | Anti-resonance vibrating sifter | |
CN201055845Y (en) | Double-vibration source vibrating screen | |
CN109530216A (en) | A kind of four axis change linear uniform-thickness vibrating screen and method for oscillating of intelligent control | |
CN102873024B (en) | Elliptic or circular motion antiresonance vibrating screen | |
US5606231A (en) | Vibrating table for masses to be compacted and a vibratory method of compaction for the compaction of concrete | |
CN2442734Y (en) | Double exciting motor translation elliptic vibrating screen | |
CN109821732A (en) | Multiple activation source vibrating screen powder device | |
CN202046671U (en) | Mechanical type self excitation vibrating feeding device | |
CN101934270A (en) | Vibrating screen | |
CN214682862U (en) | Gear forced synchronous elliptical orbit resonance screen | |
CN107855271A (en) | A kind of vibratory sieve of adjustable slot size | |
CN205085003U (en) | Circular vibrating screen equipment | |
CN210045559U (en) | Vibrating motor type inclined screen surface classifying screen | |
US9339847B2 (en) | Vibrating aggregate, an apparatus for processing mineral material, and a method for moving a processing device of an apparatus for processing mineral material | |
CN201361566Y (en) | Reciprocating jig type pulverizer | |
CN2741673Y (en) | Multiple motor exciting vibration multiple vibration type self synchronous vibrative sieve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |