CN107983520A - A kind of sand equipment processed for building - Google Patents
A kind of sand equipment processed for building Download PDFInfo
- Publication number
- CN107983520A CN107983520A CN201711230295.1A CN201711230295A CN107983520A CN 107983520 A CN107983520 A CN 107983520A CN 201711230295 A CN201711230295 A CN 201711230295A CN 107983520 A CN107983520 A CN 107983520A
- Authority
- CN
- China
- Prior art keywords
- filtration members
- equipment processed
- sand equipment
- cavity
- building according
- 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.)
- Granted
Links
- 239000004576 sand Substances 0.000 title claims abstract description 18
- 238000001914 filtration Methods 0.000 claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 238000007873 sieving Methods 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 16
- 238000013467 fragmentation Methods 0.000 description 3
- 238000006062 fragmentation reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 235000012773 waffles Nutrition 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/42—Drive mechanisms, regulating or controlling devices, or balancing devices, specially adapted for screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of sand equipment processed for building, including host, swing arm and scraper bowl, the swing arm one end to be engaged with the host, and the other end of swing arm is engaged with the scraper bowl；The scraper bowl includes blanking channel, the sieving mouth arranged on bucket floor, the first filtration members, the second filtration members and the vibrating member for driving the first filtration members and the second filtration members to vibrate；The first elastic transmission element is equipped between the vibrating member and first filtration members, the second elastic transmission element is equipped between vibrating member and the second filtration members.The present invention can continue sieving operation directly after scraper bowl is dredged, without being separately provided the equipment for sieving, reduce the cost input of recovery project by setting the first filtration members and the second filtration members on scraper bowl；And the operation that manpower carries soil is directly eliminated, improve work efficiency, reduce the input of labour.
Description
Technical field
The invention belongs to technical field of buildings, more particularly, to a kind of sand equipment processed for building.
Background technology
Need to use substantial amounts of concrete during construction, and concrete is by more than cement, sand, rubble
After proper proportion mixing plus water stirring is made.As the quickening of urban construction in recent years is, it is necessary to which the concrete used increases
Nearly 3 times, also increasingly rise hence for the demand of rubble.But the rubble in natural environment belongs to non-renewable energy resources, so big
Demand degree under, has there is the situation of shortage of resources in rubble.In order to solve this problem, people start with construction waste,
The demand to natural rubble is solved by the way that construction waste is broken into rubble.
But existing crushing plant is there are problem, although a part is hardly damaged, broken obtained rubble volume compared with
Greatly, it will the effect of concrete made from influence.Although broken effect is preferable for another part, but the damage of crushing cutter compared with
To be serious, service life is short.
The content of the invention
In order to overcome the deficiencies of the prior art and provide, a kind of crushing effect is good, crushing cutter is non-damageable builds the present invention
Build with sand equipment processed.
To achieve these goals, the present invention uses following technical scheme：A kind of sand equipment processed for building, including stent,
Babinet on stent, the first crushing chamber in babinet, crush arranged on first indoor Taw crushing apparatus, arranged on the
The second crushing chamber below one crushing chamber, crush arranged on second indoor roller type crushing device and arranged on first crushing chamber and the
Filtration apparatus between sledging room；The filtration apparatus includes being used to connect falling for first crushing chamber and the second crushing chamber
Material passage, the filtration members in blanking channel, for driving the vibrating member and arranged on the filtration members and shake that the filtration members vibrate
Transmission component between moving part.The present invention is provided with two crushing chambers, and is set respectively in the first crushing chamber and the second crushing chamber
Taw crushing apparatus and roller type crushing device have been put, has realized two kind fragmentation procedures of the equipment to material；Pass through jaw crushing
Device carries out material tentatively broken, and the hardness of Taw crushing apparatus is big, is hardly damaged, larger to hardness, volume is larger builds
Building waste material can crush, and the scope of application is wider, and is hardly damaged, service life length；Roller type crushing device can carry out two to material
It is secondary broken, and broken precision is high, so that the volume of material finally obtained is small, crushing effect is good；Can be to first there is provided filtration members
Material after crushing chamber crushes is filtered, and meeting the material of the second crushing chamber broken specification size afterwards can descend Lou to
In sledging room, so that the second broken indoor cutter is effectively protected, service life length is hardly damaged；And first is broken
The broken precision of room is small, so that the material larger using intensity of the breaker in it, is hardly damaged, so that equipment is overall
It is hardly damaged, service life length；There is provided vibrating member, may be such that filtration members are vibrated, so that material can be in mistake
Bounce on filter part, filter effect is more preferable.
Further, the roller type crushing device includes two groups of disruption elements, and the disruption elements include discaling roll and are used for
The actuator for driving the discaling roll to rotate；The crushing effect of discaling roll is good, crushes precision height, and the volume of material obtained after broken is small, fortune
After in concrete, the performance of concrete can be effectively lifted.
Further, the babinet is equipped with the first cavity matched with the filtration members and the second cavity, the mistake
Filter part one end part is penetrated to first cavity, and other end part is penetrated to second cavity；So that filtration members
Structure is more firm, is not susceptible to damage.
Further, the vibrating member and transmission component are arranged in first cavity, be equipped with second cavity with
The matched elastic support member of the filtration members；Filtration members can be realized and flexibly supported, can be so as to ensure that filtration members are overall
Vibrated under the drive of vibrating member, avoiding the occurrence of filtration members, some is capable of movable situation, good filtration effect.
Further, the elastic support member includes what is be arranged on the fagging of the filtration members lower part and be connected with the fagging
Return unit；The cooperation of fagging and return unit can effectively support filtration members, is ensureing that filtration members have outside the space of vibration, is protecting
Card effectively supports filtration members.
Further, the return unit is spring；Cost is low, simple in structure, easy to assemble.
Further, the return unit is stainless steel shrapnel；Elastic deformation ability is good, and support force is big, is hardly damaged, and uses
Long lifespan.
Further, the transmission component includes connecting seat matched with the filtration members and linking arm, the linking arm
One end is connected with vibrating member, and the other end is connected with the connecting seat；The connecting seat is driven by linking arm so that vibrating member work
When making, connecting seat can shake, thus drive that vibrating member is moved up and down, move left and right so that the effect that comes is more preferable；
And the situation that material is stuck in filter hole is less prone to, equipment failure rate is low.
Further, it is evenly spaced on the linking arm to be issued equipped with multiple bending parts with forming one in external force effect
The elastic construction of raw deformation；Pass through the setting of elastic construction so that linking arm is when vibrated, the shaking amplitude that can produce
Bigger, sieving effect is more preferable, is not in the situation that filter opening is blocked.
Further, first cavity is including being used to accommodate the first groove body of vibrating member, being connected with first groove body
The second groove body and be connected with second groove body spacing section, described spacing section of height and the height phase of the connecting seat
Deng；When equipment works normally, connecting seat is located in the second groove body, since the height of the second groove body is more than the height of connecting seat,
So as to connecting seat can in the second groove body Free Slosh；And when filtration members are removed, connecting seat will be under the action of elastic component
Protruding a distance, hence into in spacing section, and spacing section of height is equal with the height of connecting seat, you can will be even
Joint chair carries out clamping, and the position of connecting seat is fixed；When filtration members are again insertable into blanking channel, the end of filtration members
Can rapid alignment connecting seat insertion, be not in that connecting seat shakes and can not be inserted into the situation in connecting seat；And serve as
Filter part it is fully-inserted filtration members push up connecting seat backward to after in blanking channel, there is certain deformation in elastic construction, and connecting seat will
It is replaced in the second groove body, connecting seat can be rocked arbitrarily again, not interfere with the vibrating effect of filtration members.
Further, second groove body and the inner wall of the spacing section of connectivity part are tilt internal wall；Pass through tilt internal wall
Setting, ensure connecting seat can be quickly moved to along the tilt internal wall of tilt internal wall by the second groove body in spacing section, will not
Occur stuck or cannot be introduced into situation in spacing section.
Further, the tilt internal wall is obliquely installed from second groove body to described spacing section.
In conclusion the invention has the advantages that：Taw crushing apparatus and roller type crushing device, realize that one sets
Standby two kinds of fragmentation procedures to material, work efficiency is high, and crushing effect is good；And breaker is hardly damaged, service life length；If
Filtration members have been put, further protection, service life of equipment length can have been carried out to the second broken indoor cutter；There is provided vibration
Part, may be such that filtration members are vibrated, so that material can bounce in filtration members, filter effect is more preferable.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the enlarged drawing at B in Fig. 1.
Fig. 3 is the enlarged drawing at D in Fig. 1.
Embodiment
In order to make those skilled in the art be better understood from the present invention program, below in conjunction with the embodiment of the present invention
Attached drawing, carries out the technical solution in the embodiment of the present invention clear, complete description.
As shown in Figs. 1-3, a kind of sand equipment processed for building, including stent 1, the babinet 2 on stent, in babinet
The first crushing chamber 3, arranged on first crush indoor Taw crushing apparatus 4, the second crushing chamber below the first crushing chamber
5th, indoor roller type crushing device 6 and the filtering dress between first crushing chamber and the second crushing chamber are crushed arranged on second
Put；Specifically, the Taw crushing apparatus 4 be jaw crusher in cataclasitlc structure, be specially the prior art, such as Chinese patent
Structure disclosed in CN107262198A, repeats no more；The roller type crushing device 6 includes two groups of disruption elements, and every group crushes
Component includes two discaling rolls and the actuator for being used to drive discaling roll 61 to be driven being connected respectively with two discaling rolls 61, and the actuator is
The motor being directly commercially available on the market；Specifically, the filtration apparatus includes blanking channel 71, filtration members 72, for driving
The vibrating member 73 and transmission component of filtration members vibration；The blanking channel 71 is broken for connecting first crushing chamber and second
Broken room, the filtration members 72 are arranged in blanking channel, and the filtration members are arranged to waffle slab, and the size of waffle slab grid is according to reality
Depending on border needs the size of the material of sieving, do not limit specifically；The babinet 2 is equipped with first to be connected with blanking channel
21 and second cavity 22 of cavity, 72 one end part of filtration members are penetrated to first cavity 21, and other end part penetrates
In to second cavity 22；The vibrating member 73 and transmission component are arranged in first cavity 21, and the transmission component is set
Between the filtration members and vibrating member, after 72 one end of filtration members is penetrated to the first cavity, pass through the transmission component and vibrating member
It is connected；The vibrating member is the vibrator being directly commercially available on the market, so that when vibrating member works, you can drives filtration members
Vibrate.
Specifically, the transmission component includes connecting seat 91 matched with the filtration members and linking arm 92, the connection
92 one end of arm is connected with vibrating member 72, and the other end is connected with the connecting seat 91；The linking arm 92 is made of stainless steel, so that
With certain elasticity and deformability；Preferably, which is equipped with an elastic construction, and the elastic construction can be in outer
Deformed upon under power effect, when vibrating member works, elastic construction may be such that connecting seat occurs significantly to rock；Specifically,
It is evenly spaced on the linking arm to be equipped with multiple bending parts 921, so as to form the elastic construction；Multiple bendings
Portion can be continuously bent to form by linking arm, and shaping is easy.
Further, first cavity 21 includes the first groove body 211, the second groove body 212 and spacing section 213, described
Vibrating member is placed in first groove body 211, and second groove body 212 is connected with first groove body, described spacing section 213 with
Second groove body is connected；The height that the height of second groove body 212 is more than the connecting seat 91 is set, described spacing section
213 height is then set equal with the height of the connecting seat 91；Preferably, second groove body 212 with it is described spacing
The inner wall of 213 connectivity parts of section is tilt internal wall 214, and the tilt internal wall is set from second groove body to the spacing section of inclination
Put, consequently facilitating connecting seat in the second groove body by being inserted into spacing section.
Elastic support member is equipped with second cavity 22, which is engaged with the filtration members 72, makes
The vibrating effect for obtaining filtration members 72 is more strong；Specifically, the elastic support member includes fagging 81 and return unit 82；The support
Plate 81 is arranged on the filtration members lower part, and the return unit 82 is arranged on the fagging lower part, and 82 one end of return unit is connected with fagging, another
End is connected with the bottom of the second cavity；In this present embodiment, the return unit 82 is spring；It is described multiple in other embodiment
Position part 82 may be alternatively provided as stainless steel shrapnel, which is set for arcuate shape.
For the ease of being replaced to filtration members, we are provided with an opening on 22 side wall of the second cavity；Meanwhile
When in use by being dropped out in opening, we correspond to the opening and are provided with a capping 10 filtration members on babinet in order to prevent,
The capping 10 is by screw with babinet together with dismantling connection；The babinet corresponds to the capping top position and is opened equipped with one
Mouthful, turnover in the opening to be connected with a door-plate 23, which is connected by screw and babinet；So as to when in filtration members
When accumulating more material, the door-plate can be opened, manually the material in filtration members is swept out, re-starts fragmentation procedure, is avoided
Filtration members are plugged.
Obviously, described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, should all belong to the scope of protection of the invention.
Claims (10)
1. a kind of sand equipment processed for building, including stent（1）, babinet on stent（2）, it is first in babinet broken
Room（3）, arranged on first crush indoor Taw crushing apparatus（4）, the second crushing chamber below the first crushing chamber（5）, set
Indoor roller type crushing device is crushed in second（6）And the filtration apparatus between first crushing chamber and the second crushing chamber；
It is characterized in that：The filtration apparatus includes being used for the blanking channel for connecting first crushing chamber and the second crushing chamber（71）、
Filtration members in blanking channel（72）, for drive the filtration members vibrate vibrating member（73）And arranged on the filtration members and shake
Transmission component between moving part.
2. one kind sand equipment processed for building according to claim 1, it is characterised in that：The roller type crushing device（6）Bag
Two groups of disruption elements are included, the disruption elements include discaling roll（61）With for driving the discaling roll（61）The actuator of rotation.
3. one kind sand equipment processed for building according to claim 1, it is characterised in that：The babinet（2）It is equipped with and institute
State matched first cavity of filtration members（21）With the second cavity（22）, the filtration members（72）One end part is penetrated to described
One cavity（21）Interior, other end part is penetrated to second cavity（22）It is interior.
4. one kind sand equipment processed for building according to claim 3, it is characterised in that：The vibrating member（73）And transmission group
Part is arranged on first cavity（21）It is interior, second cavity（22）It is interior to be equipped with and the filtration members（72）Matched resilient support
Component.
5. one kind sand equipment processed for building according to claim 4, it is characterised in that：The elastic support member includes setting
Fagging in the filtration members lower part（81）The return unit being connected with the fagging（82）.
6. one kind sand equipment processed for building according to claim 5, it is characterised in that：The return unit（82）For spring.
7. one kind sand equipment processed for building according to claim 5, it is characterised in that：The return unit（82）For stainless steel
Shrapnel.
A kind of 8. sand equipment processed for building according to claim 6 or 7, it is characterised in that：The transmission component include with
The matched connecting seat of filtration members（91）And linking arm（92）, the linking arm（92）One end and vibrating member（72）It is connected, separately
One end and the connecting seat（91）It is connected.
9. one kind sand equipment processed for building according to claim 8, it is characterised in that：The linking arm（92）Upper interval is equal
Even is equipped with multiple bending parts（921）To form an elastic construction that can be deformed upon under external force effect.
10. one kind sand equipment processed for building according to claim 9, it is characterised in that：First cavity（21）Including
For accommodating the first groove body of vibrating member（211）, the second groove body for being connected with first groove body（212）With with second groove body
Spacing section to be connected（213）, described spacing section（213）Height and the connecting seat（91）Height it is equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230295.1A CN107983520B (en) | 2017-11-29 | 2017-11-29 | A kind of sand making machine for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230295.1A CN107983520B (en) | 2017-11-29 | 2017-11-29 | A kind of sand making machine for building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107983520A true CN107983520A (en) | 2018-05-04 |
| CN107983520B CN107983520B (en) | 2019-05-17 |
Family
ID=62034247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711230295.1A Active CN107983520B (en) | 2017-11-29 | 2017-11-29 | A kind of sand making machine for building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107983520B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772552A (en) * | 2018-12-25 | 2019-05-21 | 安徽精磁电子有限公司 | A kind of essence magnetic material feedstock milling apparatus |
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| CN205128049U (en) * | 2015-10-26 | 2016-04-06 | 曾建明 | Vertical concentrated fertilizer rubbing crusher |
| CN106492925A (en) * | 2016-12-23 | 2017-03-15 | 郑州搜趣信息技术有限公司 | A kind of moveable building waste apparatus for crushing and treating |
| CN106861877A (en) * | 2017-04-10 | 2017-06-20 | 王爽 | A kind of battery with cleaning is crushed and removes iron all-in-one |
| CN206415201U (en) * | 2016-11-03 | 2017-08-18 | 西南交通大学 | A kind of environment protection-type building waste retracting device |
| CN206435327U (en) * | 2016-12-26 | 2017-08-25 | 武平县象洞乡绿色仙草专业合作社 | A kind of celestial grass milling device |
| CN107233984A (en) * | 2017-07-13 | 2017-10-10 | 杜鑫 | A kind of low-loss stone pulverizing device in construction site |
-
2017
- 2017-11-29 CN CN201711230295.1A patent/CN107983520B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204724239U (en) * | 2015-05-22 | 2015-10-28 | 四川省江油市蜀玉实业有限公司 | A kind of noise reduction disintegrating machine |
| CN205128092U (en) * | 2015-07-31 | 2016-04-06 | 天津市亿腾顺泰建筑材料有限公司 | Particle crushing machine reducing mechanism |
| CN205128049U (en) * | 2015-10-26 | 2016-04-06 | 曾建明 | Vertical concentrated fertilizer rubbing crusher |
| CN206415201U (en) * | 2016-11-03 | 2017-08-18 | 西南交通大学 | A kind of environment protection-type building waste retracting device |
| CN106492925A (en) * | 2016-12-23 | 2017-03-15 | 郑州搜趣信息技术有限公司 | A kind of moveable building waste apparatus for crushing and treating |
| CN206435327U (en) * | 2016-12-26 | 2017-08-25 | 武平县象洞乡绿色仙草专业合作社 | A kind of celestial grass milling device |
| CN106861877A (en) * | 2017-04-10 | 2017-06-20 | 王爽 | A kind of battery with cleaning is crushed and removes iron all-in-one |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109772552A (en) * | 2018-12-25 | 2019-05-21 | 安徽精磁电子有限公司 | A kind of essence magnetic material feedstock milling apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107983520B (en) | 2019-05-17 |
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Effective date of registration: 20190422 Address after: 321000 Fragrant Industrial Park, Tangya Town, Jindong District, Jinhua City, Zhejiang Province Applicant after: Zhejiang Zhengzhong New Building Materials Technology Co., Ltd. Address before: 310000 14th Floor, A Building, Senhe Business Plaza, 238 Hanghai Road, Jianggan District, Hangzhou City, Zhejiang Province Applicant before: Fu Xiaojuan |
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