CN107952669A - A kind of screening plant of slidingtype straight panel mesh screen - Google Patents

A kind of screening plant of slidingtype straight panel mesh screen Download PDF

Info

Publication number
CN107952669A
CN107952669A CN201711302636.1A CN201711302636A CN107952669A CN 107952669 A CN107952669 A CN 107952669A CN 201711302636 A CN201711302636 A CN 201711302636A CN 107952669 A CN107952669 A CN 107952669A
Authority
CN
China
Prior art keywords
screening
sieve
rotating cylinder
chamber
fixedly connected
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
Application number
CN201711302636.1A
Other languages
Chinese (zh)
Other versions
CN107952669B (en
Inventor
沈静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Yusen mica New Material Co.,Ltd.
Original Assignee
Tianjin Kechuang Rejuvenation Technology Consulting Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Kechuang Rejuvenation Technology Consulting Co Ltd filed Critical Tianjin Kechuang Rejuvenation Technology Consulting Co Ltd
Priority to CN201711302636.1A priority Critical patent/CN107952669B/en
Publication of CN107952669A publication Critical patent/CN107952669A/en
Application granted granted Critical
Publication of CN107952669B publication Critical patent/CN107952669B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B2201/00Details applicable to machines for screening using sieves or gratings
    • B07B2201/04Multiple deck screening devices comprising one or more superimposed screens

Landscapes

  • Combined Means For Separation Of Solids (AREA)

Abstract

The invention discloses a kind of screening plant of slidingtype straight panel mesh screen, including device body, device body sets base, the top of base sets fixed pedestal, the top of fixed pedestal sets screening chamber, the inside for sieving chamber sets rotation axis, auger is set in rotation axis, device body sets rotating cylinder, equally distributed material passing tube road is set on rotating cylinder, sieves and slide plate is set on the inner wall of chamber, the first sieve is set between rotating cylinder and slide plate, the bottom of slide plate sets the second sieve, and coarse fodder discharge port is formed between the second sieve and rotating cylinder.The configuration of the present invention is simple, material is sieved by the effect of multiple first sieve, the effect of screening is good, and material is further sieved by way of circulation when screening, avoid qualified material when shimmering powder from being mixed in underproof material, circulating screening is carried out to material, improve the yield of screening, it is easy to use, it is highly practical.

Description

A kind of screening plant of slidingtype straight panel mesh screen
Technical field
It is specifically a kind of screening plant of slidingtype straight panel mesh screen the present invention relates to a kind of screening plant is dodged.
Background technology
Screening is that population is separated by the progress of the dry jet mixing piles such as the size of particle, proportion, charging property and magnetism Method.The operation for the different mixed material of granule size being divided into compass screen surface with holes various granularity level is called screening.Pass through The grade of sieve aperture is known as undersized product, stays on sieve and is known as sieving upper product.Screening applies in general to thicker material, that is, is more than 0.5 or 0.25 millimeter of material.Thinner (being less than 2 millimeters), classification was in medium (water or sky according to material then using classification Gas) in sinking speed difference and be divided into the operation of different grades.Particle swarm is mainly separated by its granularity or volume during screening, than The influence of weight and shape is smaller;But when being classified, proportion and shape surpass significant impact
Existing screening plant does not have follow-up processing after screening generally for thicker material, and screening is completed just straight afterwards How qualified and underproof material is connect to be handled, especially production line operation when, the mode of this screening is in work When there is substantial amounts of thinner material to be blended in one piece of thicker material, and existing this mode can cause largely to waste, Screening effect is bad, it is therefore desirable to makes improvements.
The content of the invention
It is an object of the invention to provide a kind of screening plant of slidingtype straight panel mesh screen, to solve in above-mentioned background technology The problem of proposition.
To achieve the above object, the present invention provides following technical solution:
A kind of screening plant of slidingtype straight panel mesh screen, including device body, described device body set base, the base Top sets fixed pedestal, is fixedly connected by welding between the fixed pedestal and base, the fixed pedestal Top sets screening chamber, and the screening chamber and fixed pedestal are integrated formed structures, and the top of the screening chamber is set Motor is driven, is fixedly connected between the shell and screening chamber of the driving motor by the effect of screw, the screening chamber Inside rotation axis is set, be fixedly connected between the rotation axis and the output shaft for driving motor by the effect of shaft coupling, institute State and auger is set in rotation axis, be fixedly connected between the auger and rotation axis by the effect of screw, the rotation axis is with consolidating Determine to be rotatablely connected by the effect of bearing between pedestal, described device body sets rotating cylinder, between the rotating cylinder and rotation axis leads to The effect for crossing stent is fixedly connected, and sets equally distributed material passing tube road on the rotating cylinder, the material passing tube road and rotating cylinder it is interior Portion is interconnected, and sets slide plate on the inner wall of the screening chamber, is slidably connected between the slide plate and the inner wall for sieving chamber, First sieve is set between the rotating cylinder and slide plate, is fixed between first sieve and rotating cylinder or slide plate by the effect of screw Connection, the bottom of the slide plate set the second sieve, are fixedly connected between second sieve and slide plate by the effect of screw, The other end of second sieve is arranged on the underface of rotating cylinder, and coarse fodder discharging is formed between second sieve and rotating cylinder Mouthful.
As the further scheme of the present invention:The inside of the screening chamber sets feed cavity, and the feed cavity is arranged on Sieve the top of chamber and be fixedly connected between screening chamber by the effect of screw, the bottom of the auger is arranged on charging The inside of chamber.
As the further scheme of the present invention:Feed inlet is set in the feed cavity.
As the further scheme of the present invention:Fine fodder discharge port is set on the side wall of described device body, and the fine fodder goes out Material mouth is interconnected with sieving the inside of chamber.
As the further scheme of the present invention:The screening chamber is arranged on end set passage on the outside, described Connected between passage and screening chamber, the inside of the base sets collecting box, the inside phase of the passage and collecting box It is intercommunicated, processing mouth is set on the side wall of the base, and the inside of the processing mouth and collecting box is interconnected.
As the further scheme of the present invention:The vertical view face of first sieve is loop configuration, first sieve Cross section is straight panel structure.
As further scheme of the invention:The top of the rotating cylinder sets discharge barrel, the discharge barrel and rotating cylinder it Between be fixedly connected by welding, the upper end of the discharge barrel sets striker plate, and the striker plate and discharge barrel are one Forming structure.
Compared with prior art, the beneficial effects of the invention are as follows:The configuration of the present invention is simple, passes through the work of multiple first sieve Sieved with to material, the effect of screening is good, and material is carried out further by way of circulation when screening Screening, avoid qualified material when shimmering powder from being mixed in underproof material, circulating screening carried out to material, is improved The yield of screening, it is easy to use, it is highly practical.
Brief description of the drawings
Fig. 1 is the structure diagram of the screening plant of slidingtype straight panel mesh screen.
Fig. 2 be slidingtype straight panel mesh screen screening plant in structure A enlarged diagram.
Fig. 3 is the top view of barrel and striker plate in the screening plant of slidingtype straight panel mesh screen.
Fig. 4 be slidingtype straight panel mesh screen screening plant on barrel and striker plate A-A to sectional view.
Embodiment
The technical solution of this patent is described in more detail with reference to embodiment.
- 4 are please referred to Fig.1, a kind of screening plant of slidingtype straight panel mesh screen, including device body, described device body are set Bottom set seat 1, the top of the base 1 sets fixed pedestal 2, solid by welding between the fixed pedestal 2 and base 1 Fixed connection, the top of the fixed pedestal 2 set screening chamber 3, and the screening chamber 3 and fixed pedestal 2 are to be integrally formed knot Structure, the top of the screening chamber 3 set centrally-mounted driving 4, pass through spiral shell between the shell and screening chamber 3 of the driving motor 4 The effect of nail is fixedly connected, and the inside of the screening chamber 3 sets feed cavity 5, and the feed cavity 5 is arranged on screening chamber 3 Top and it is fixedly connected between screening chamber 3 by the effect of screw, feed inlet 6, described device is set in the feed cavity 5 Fine fodder discharge port 7 is set on the side wall of body, and the fine fodder discharge port 7 is interconnected with sieving the inside of chamber 3, the screening Chamber 3 is arranged on end set passage 8 on the outside, is connected between the passage 8 and screening chamber 3, the base 1 Inside sets collecting box 9, and the inside of the passage 8 and collecting box 9 is interconnected, setting processing on the side wall of the base 1 Mouth 10, the processing mouth 10 and the inside of collecting box 9 are interconnected, and the inside of the screening chamber 3 sets rotation axis 11, described Rotation axis 11 is fixedly connected between the output shaft with driving motor 4 by the effect of shaft coupling, is set and is twisted in the rotation axis 11 Dragon 12, is fixedly connected between the auger 12 and rotation axis 11 by the effect of screw, the bottom of the auger 12 be arranged on into Expect the inside of chamber 5, be rotatablely connected between the rotation axis 11 and fixed pedestal 2 by the effect of bearing 13, described device body Rotating cylinder 14 is set, is fixedly connected between the rotating cylinder 14 and rotation axis 11 by the effect of stent, is set on the rotating cylinder 14 equal The material passing tube road 15 of even distribution, the inside in the material passing tube road 15 and rotating cylinder 14 are interconnected, on the inner wall of the screening chamber 3 Slide plate 18 is set, is slidably connected between the slide plate 18 and the inner wall for sieving chamber 3, is set between the rotating cylinder 14 and slide plate 18 First sieve 19, first sieve 19 are fixedly connected with the effect between rotating cylinder 14 or slide plate 18 by screw, and described first The vertical view face of sieve 19 is loop configuration, and the cross section of first sieve 19 is straight panel structure, and the bottom of the slide plate 18 is set The second sieve 20 is put, is fixedly connected between second sieve 20 and slide plate 18 by the effect of screw, second sieve 20 The other end be arranged on the underface of rotating cylinder 14, coarse fodder discharge port 21 is formed between second sieve 20 and rotating cylinder 14.
The top of the rotating cylinder 14 sets discharge barrel 16, solid by welding between the discharge barrel 16 and rotating cylinder 14 Fixed connection, the upper end of the discharge barrel 16 set striker plate 17, and the striker plate 17 and discharge barrel 16 are integrated formed structures.
The present invention operation principle be:When device body uses, start driving motor 4, by the work for driving motor 4 With the rotation for driving rotation axis 11, so as to drive the rotation of auger 12, then by the effect of feed inlet 6 toward in feed cavity 5 Portion's feeding, is up transported material in the inside of rotating cylinder 14 by the effect of auger 12, then material by discharge barrel 16 at, then Spread by the effect of striker plate 17 toward surrounding, then material is dropped on the first sieve 19, and the first sieve of device body 19 are in order at motion state, and material is sieved by the effect of the first sieve 19, and larger-diameter material passes through logical material Pipeline 15 enters the inside of rotating cylinder 14 again, is up transported again by the effect of auger 12, when material is by whole first The top of the second sieve 20 is dropped to when sieve 19, last time screening is carried out by the second sieve 20, is closed after screening Lattice material is entered the inside of collecting box 9 by fine fodder discharge port 7 and passage 8, is collected by the second sieve 20, And the inside that the material gated enters rotating cylinder 14 at coarse fodder discharge port 21 is unscreened, further screening is re-started, Circulating, the configuration of the present invention is simple, material is sieved successively by the effect of multiple first sieve 19, the effect of screening is good, And material is further sieved by way of circulation when screening, avoid qualified material when shimmering powder from pressing from both sides It is miscellaneous that circulating screening is carried out to material, improves the yield of screening in underproof material, it is easy to use, it is highly practical.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party Formula, can also be on the premise of this patent objective not be departed from the knowledge that one skilled in the relevant art possesses Make a variety of changes.

Claims (7)

1. a kind of screening plant of slidingtype straight panel mesh screen, including device body, it is characterised in that described device body sets bottom Seat(1), the base(1)Top set fixed pedestal(2), the fixed pedestal(2)With base(1)Between pass through welding Mode is fixedly connected, the fixed pedestal(2)Top set screening chamber(3), the screening chamber(3)With fixed pedestal (2)It is integrated formed structure, the screening chamber(3)Top set centrally-mounted driving(4), the driving motor(4)Shell With sieving chamber(3)Between be fixedly connected by the effect of screw, the screening chamber(3)Inside set rotation axis(11), The rotation axis(11)With driving motor(4)Output shaft between be fixedly connected by the effect of shaft coupling, the rotation axis (11)Upper setting auger(12), the auger(12)With rotation axis(11)Between be fixedly connected by the effect of screw, described turn Moving axis(11)With fixed pedestal(2)Between pass through bearing(13)Effect rotation connection, described device body set rotating cylinder(14), The rotating cylinder(14)With rotation axis(11)Between be fixedly connected by the effect of stent, the rotating cylinder(14)Upper setting is uniformly distributed Material passing tube road(15), the material passing tube road(15)With rotating cylinder(14)Inside be interconnected, the screening chamber(3)Inner wall Upper setting slide plate(18), the slide plate(18)With sieving chamber(3)Inner wall between be slidably connected, the rotating cylinder(14)With slide plate (18)Between the first sieve is set(19), first sieve(19)With rotating cylinder(14)Or slide plate(18)Between pass through the work of screw With being fixedly connected, the slide plate(18)Bottom set the second sieve(20), second sieve(20)With slide plate(18)Between It is fixedly connected by the effect of screw, second sieve(20)The other end be arranged on rotating cylinder(14)Underface, it is described Second sieve(20)With rotating cylinder(14)Between formed coarse fodder discharge port(21).
2. the screening plant of slidingtype straight panel mesh screen according to claim 1, it is characterised in that the screening chamber(3) Inside set feed cavity(5), the feed cavity(5)It is arranged on screening chamber(3)Top and with sieve chamber(3)Between lead to The effect for crossing screw is fixedly connected, the auger(12)Bottom be arranged on feed cavity(5)Inside.
3. the screening plant of slidingtype straight panel mesh screen according to claim 2, it is characterised in that the feed cavity(5)On Feed inlet is set(6).
4. the screening plant of slidingtype straight panel mesh screen according to claim 1, it is characterised in that the side of described device body Fine fodder discharge port is set on wall(7), the fine fodder discharge port(7)With sieving chamber(3)Inside be interconnected.
5. the screening plant of slidingtype straight panel mesh screen according to claim 1, it is characterised in that the screening chamber(3) It is arranged on end set passage on the outside(8), the passage(8)With sieving chamber(3)Between connect, the base (1)Inside set collecting box(9), the passage(8)With collecting box(9)Inside be interconnected, the base(1)Side Processing mouth is set on wall(10), the processing mouth(10)With collecting box(9)Inside be interconnected.
6. the screening plant of slidingtype straight panel mesh screen according to claim 1, it is characterised in that first sieve(19) Vertical view face be loop configuration, first sieve(19)Cross section be straight panel structure.
7. the screening plant of slidingtype straight panel mesh screen according to claim 1, it is characterised in that the rotating cylinder(14)Top Portion sets discharge barrel(16), the discharge barrel(16)With rotating cylinder(14)Between be fixedly connected by welding, the discharging Cylinder(16)Upper end set striker plate(17), the striker plate(17)With discharge barrel(16)It is integrated formed structure.
CN201711302636.1A 2017-12-11 2017-12-11 A kind of screening plant of slidingtype straight panel mesh screen Active CN107952669B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711302636.1A CN107952669B (en) 2017-12-11 2017-12-11 A kind of screening plant of slidingtype straight panel mesh screen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711302636.1A CN107952669B (en) 2017-12-11 2017-12-11 A kind of screening plant of slidingtype straight panel mesh screen

Publications (2)

Publication Number Publication Date
CN107952669A true CN107952669A (en) 2018-04-24
CN107952669B CN107952669B (en) 2019-06-11

Family

ID=61957699

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711302636.1A Active CN107952669B (en) 2017-12-11 2017-12-11 A kind of screening plant of slidingtype straight panel mesh screen

Country Status (1)

Country Link
CN (1) CN107952669B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111014004A (en) * 2018-10-10 2020-04-17 昆明正阳饲料有限公司 Feed ingredient screening edulcoration system
CN111013810A (en) * 2019-12-13 2020-04-17 王维忠 Pearl shell 'three-substance' separation equipment and shell separation method based on separation equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8118172B2 (en) * 2005-11-16 2012-02-21 National Oilwell Varco L.P. Shale shakers with cartridge screen assemblies
CN203044310U (en) * 2013-02-07 2013-07-10 托克托县宏昌机械制造有限公司 Green and red pepper peel and seed sorting device
CN206262841U (en) * 2016-10-10 2017-06-20 芜湖瑞德机械科技有限公司 The cleaning of general-purpose type crop seeds, sizing screening equipment
CN206604752U (en) * 2017-03-10 2017-11-03 双凯食品配料(昆山)有限公司 Raw material screening device is used in a kind of solid material processing
CN107335613A (en) * 2017-08-07 2017-11-10 吴佳慧 A kind of fine screen knot screen of high-quality fine sand

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8118172B2 (en) * 2005-11-16 2012-02-21 National Oilwell Varco L.P. Shale shakers with cartridge screen assemblies
CN203044310U (en) * 2013-02-07 2013-07-10 托克托县宏昌机械制造有限公司 Green and red pepper peel and seed sorting device
CN206262841U (en) * 2016-10-10 2017-06-20 芜湖瑞德机械科技有限公司 The cleaning of general-purpose type crop seeds, sizing screening equipment
CN206604752U (en) * 2017-03-10 2017-11-03 双凯食品配料(昆山)有限公司 Raw material screening device is used in a kind of solid material processing
CN107335613A (en) * 2017-08-07 2017-11-10 吴佳慧 A kind of fine screen knot screen of high-quality fine sand

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111014004A (en) * 2018-10-10 2020-04-17 昆明正阳饲料有限公司 Feed ingredient screening edulcoration system
CN111013810A (en) * 2019-12-13 2020-04-17 王维忠 Pearl shell 'three-substance' separation equipment and shell separation method based on separation equipment

Also Published As

Publication number Publication date
CN107952669B (en) 2019-06-11

Similar Documents

Publication Publication Date Title
CN103551233B (en) Processing system and construction method capable of improving fineness modulus of natural sand
CN206240542U (en) A kind of feed manufacturing comminuting dasher
CN107952669A (en) A kind of screening plant of slidingtype straight panel mesh screen
CN107457060A (en) A kind of classification separation equipment of raw material of industry classification grinding
CN112316845A (en) Fertilizer granulation device with dust falling function and granulation process
CN108465635A (en) A kind of agricultural novel cereal seed screening plant
CN108500819A (en) A kind of concrete or asphalt aggregate particle shape decorating device
CN208230021U (en) A kind of dry powder and mortar screening plant
CN104923479B (en) A kind of dry type Machine-made Sand air sieve
CN206996724U (en) A kind of building concrete block blends screening integrated device
CN108160432A (en) A kind of screening plant of fixed arc mesh screen
CN210347643U (en) Soil test remolded soil preparation appearance
CN211306915U (en) Aggregate transition bin with double discharge ports
CN209061541U (en) A kind of screening fertilizer device
CN208305374U (en) Slurry agitator is used in a kind of construction of building pile foundation
CN205074205U (en) Multistage minute screen(ing) machine of organic fertilizer
CN207153622U (en) A kind of Double-layered horizontal mixer
CN107175166A (en) The raw ore roughing system and method for residual slide rock Lateritic Soil weathering titanium placer
CN209424006U (en) A kind of sorting device of the concrete construction with screening function
CN209076831U (en) A kind of construction waste recyclable device with crushing function
CN205570448U (en) Automatic material returning device of ball mill
CN207324976U (en) A kind of powder mixing-classifying screening plant
CN207188217U (en) A kind of concrete dries aggregate continuous multi-stage separation and classifying device
CN207385912U (en) A kind of hydraulic engineering screening plant
CN209565056U (en) A kind of disintegrating apparatus producing fish meal

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
TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20190513

Address after: 255000 North Head of Jiaozhuang Village, Boshan District, Zibo City, Shandong Province

Applicant after: Shandong Jiahui Crystal Material Co., Ltd.

Address before: 301700 -40, 505 room, 4 building, Beijing Bin Industrial Park, Wuqing, Tianjin.

Applicant before: Tianjin Kechuang Rejuvenation Technology Consulting Co. Ltd.

GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211201

Address after: 255200 north head of Jiaozhuang village, economic development zone, Boshan District, Zibo City, Shandong Province

Patentee after: Shandong Yusen mica New Material Co.,Ltd.

Address before: 255000 North Head of Jiaozhuang Village, Boshan District, Zibo City, Shandong Province

Patentee before: SHANDONG JIAHUI CRYSTAL MATERIALS Co.,Ltd.