CN107097327B - Ferrite forming body production line and ferrite forming body production method - Google Patents
Ferrite forming body production line and ferrite forming body production method Download PDFInfo
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- CN107097327B CN107097327B CN201710300735.XA CN201710300735A CN107097327B CN 107097327 B CN107097327 B CN 107097327B CN 201710300735 A CN201710300735 A CN 201710300735A CN 107097327 B CN107097327 B CN 107097327B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/24—Producing shaped prefabricated articles from the material by injection moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2658—Other ferrites containing manganese or zinc, e.g. Mn-Zn ferrites
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/2666—Other ferrites containing nickel, copper or cobalt
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62695—Granulation or pelletising
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
- C04B35/63404—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B35/63424—Polyacrylates; Polymethacrylates
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Abstract
The present invention provides a kind of ferrite forming body production line and ferrite forming body production methods, wherein ferrite forming body production line includes: calcining furnace, is used to calcining ferrite powder into 2 hours calcined bodies derived above in the environment of 700 DEG C~750 DEG C；Agitating ball mill is set to by calcining furnace, obtains slurries to stir and grind calcined body, bonding intermixture and water；Agitator tank is cached, is connected to by pump with agitating ball mill, with caching and stirring slurry；Spray granulation plant；Pressure setting；Nitrogen supply (NS) machine, output end are connected to granulation chamber and compression chamber；And control cabinet.Beneficial effects of the present invention: it realizes after spray granulation plant is granulated and spherical particle is pressed into ferrite forming body immediately, and be connected in pressing process with the granulation tower of spray granulation plant, it avoids the active gas during spherical particle is transferred to pressure setting from spray granulation plant and enters due to finally obtained ferrite cemented body is caused to have stomata.
Description
Technical field
The present invention relates to the production fields of ferrite cemented body, and in particular to a kind of ferrite forming body production line and iron
Oxysome formed body production method.
Background technique
In the manufacturing process of ferrite cemented body, following key step is specifically included: 1) configuring ferrite ingredient；2) match
Set adhesive ingredients；3) ferrite ingredient and adhesive ingredients are mixed to get slurry；4) in spray granulation plant, slurry is sprayed into
Material, is atomized so that being formed in the granulation tower of spray granulation plant, and the heat being passed through in the slurry and granulation tower after atomization is empty
Gas mixing, droplet form spherical particle because of surface tension effects；5) spherical particle obtained in spray granulation plant is used
Pressure setting is suppressed into the ferrite forming body for needing shape；6) ferrite forming body is placed in debinding furnace 400~
Ungrease treatment obtains degreasing body in the environment of 800 DEG C；7) finally, by degreasing body in firing furnace, in 1000~1200 DEG C of temperature
It is maintained at 2~5 hours and is burnt under degree, obtain ferrite cemented body.
Chinese patent discloses a kind of mist projection granulating dress suitable for active powder that notification number is 105014063 A of CN
Set and its prilling process, although being realized by being passed through inert gas in above-mentioned steps 4 in the device and method) in a certain degree
On avoid and lead to finally obtain leachy problem in ferrite cemented body because being mixed into oxygen, but the device and method are deposited
The problem of are as follows:
When spherical particle to be transferred in pressure setting, it will take a lot of manpower and time, and then increased labor
Dynamic cost and production efficiency is reduced, and spherical particle can be contacted with oxygen isoreactivity gas again during this, caused by ball
Shape particle is mixed into a large amount of oxygen during being pressed into the ferrite forming body for needing shape, then to finally obtain ferrite
Stomata still is generated because of active gas in sintered body, causes the quality of ferrite cemented body product to reduce, even results in life
Production obtains ferrite cemented body scrap of the product, causes the waste of material.
Summary of the invention
The present invention provides a kind of ferrite forming body production line and ferrite forming body production method, realize spraying
Spherical particle is immediately pressed into ferrite forming body after being granulated by prilling granulator, and is made in pressing process with spray granulation plant
Grain tower connection avoids the active gas during spherical particle is transferred to pressure setting from spray granulation plant and enters and lead
Finally obtained ferrite cemented body is caused to have stomata.
To achieve the above object, present invention employs the following technical solutions:
Present invention firstly provides a kind of ferrite forming body production lines, comprising:
Calcining furnace is used to calcining ferrite powder into 2 hours calcined bodies derived above in the environment of 700 DEG C~750 DEG C；
Agitating ball mill is set to by calcining furnace, is obtained with stirring and grinding calcined body, bonding intermixture and water
Slurries；
Agitator tank is cached, is connected to by pump with agitating ball mill, with caching and stirring slurry；
Spray granulation plant comprising:
Granulation tower, is arranged inside granulation chamber, and granulation tower bottom is conical structure, be provided on the bottom surface of granulation tower with
It is granulated row's grain pipe of chamber connection, arranges the first valve being provided on grain pipe for the row's of opening and closing grain pipe；
Spray gun is installed on granulation tower outer wall, and the slurries input terminal of spray gun is connected to the bottom of caching agitator tank, spray gun
Slurries output end be located at be granulated it is intracavitary；
Hot gas feeding mechanism, output end are connected to chamber is granulated；And
Dust pelletizing system is connected to by exhaust fan with chamber is granulated；
Pressure setting comprising:
Tank is suppressed, the underface of granulation tower is set to, compacting tank top is connect with tower bottom is granulated, and is suppressed tank and is granulated
The closed compression chamber of energy is formed after tower connection, row's grain pipe is wrapped in the top of compression chamber by compacting tank；
Lower die is suppressed, compression chamber bottom is set to, compacting lower die is offered to match with demand ferrite forming body shape
Lower mode cavity, the opening of lower mode cavity is vertically upward；
Vibration motor is installed between compacting lower die and compression chamber bottom surface；
Upper mold is suppressed, compacting lower die top is set in compression chamber and is located at, after compacting upper mold and compacting lower die fasten
The cavity to match with demand ferrite forming body shape can be formed；
Mould bases, compacting upper mold are installed on mould bases by movable block, and suppress upper mold and the opposite mould bases sliding of movable block energy；
Vertical driving structure is set on compacting tank, and the output section of vertical driving structure is connect with mould bases, so that compacting
Upper mold can impact spherical particle in lower mode cavity；
Horizontal drive structure is set on compacting tank, and the output section of horizontal drive structure can be with pressure by bindiny mechanism
Upper mold connection processed, horizontal drive structure can make to suppress upper mold by bindiny mechanism and compacting lower die deviates or face, bindiny mechanism
Also horizontal drive structure and compacting upper mold can be made to be detached from pressing process；And
Structure is weighed, the underface of row's grain pipe is set in compression chamber and is located at, structure is weighed and is located at row grain Guan Yumo
Between frame, weigh structure can the row of undertaking grain pipe be discharged spherical particle, the spherical particle after weighing can be also discharged into compacting
In mould；
Nitrogen supply (NS) machine, output end are connected to granulation chamber and compression chamber；And
Control cabinet, calcining furnace, agitating ball mill, caching agitator tank, spray granulation plant and nitrogen supply (NS) machine are all connected with
To control cabinet.
Preferably, weighing structure includes:
Support plate, across the top of compacting tank, support plate is fixed on the inner wall of compression chamber；
Sliding shoe is slidably positioned in support plate；
Two weighing funnels, each weighing funnel include bucket ontology, and the middle part on ontology of struggling against is provided with carrier block, and struggle against ontology
Bottom pass through support plate, sliding shoe and carrier block, weighing funnel is unlocked with sliding shoe, and sliding shoe only passes through carrier block
Weighing funnel is supported；
Two second valves, two second valves are respectively arranged at the bottom of two weighing funnels, are weighing leakage with switching station respectively
Bucket；
Two weight sensors are arranged on sliding shoe, and each weight sensor is correspondingly arranged with a weighing funnel,
The total weight of spherical particle in weighing funnel, the second valve and weighing funnel to detect position；
Driving structure is weighed, is connected with sliding shoe, so that another weighing is leaked simultaneously for a weighing funnel and row's grain pipe face
Bucket can pour into spherical particle to compacting lower die；And
Weighting and Controlling circuit, weigh driving structure, two weight sensors and two second valves with Weighting and Controlling circuit
It is connected, Weighting and Controlling circuit is connected with control cabinet.
Preferably, weighing driving structure includes:
Transmission chain is set to outside compression chamber；
Two pull band, and sliding shoe side is connect by a pulling band with transmission chain one end, and another pulling band is another by sliding shoe
Side is connect with the transmission chain other end；
Sprocket wheel is fixed on outside compacting tank, and sprocket wheel is engaged with transmission chain；
Weighing motor, rotation axis are connect with sprocket wheel, and rotary electric machine is electrically connected with Weighting and Controlling circuit；And
Two pulleys, rotational installation is in outside compacting tank, and each pulley is close to a pulling band and penetrates setting at compacting tank, often
Pulling of one pulley with position is with tangent.
Preferably,
Suppressing tank includes upper tank body, lower tank, support base and jack, and weighing device is set to upper tank body, vertical to drive
Dynamic structure, horizontal drive structure, bindiny mechanism, compacting upper mold, compacting lower die and vibration motor are all set in lower tank, are granulated
Support column is connected in the middle part of tower, upper tank body is fixed with granulation tower, and support base is set to below lower tank, setting below support base
Jack, jack can be such that lower tank is close to upper tank body, and lower tank is close to connect by the first screw with upper tank body, very heavy
Top can also make not separate by the lower tank that the first screw connects with upper tank body, and the outer wall of lower tank is protruding with flat with horizontal plane
Two pairs of capable hanging columns, two pairs of hanging columns are located at the two opposite sides of lower tank；
Ferrite forming body production line further includes transfer cart, and transfer cart includes left support frame, right support frame, chassis and four
A wheel, four wheels are respectively arranged on the bottom surface of chassis, and left support frame and right support frame are both secured on chassis, left support
There is distance between frame and right support frame, and lower tank can be located at centre, left support frame and right branch by left support frame and right support frame
Card slot is provided on support, when the card slot of left support frame and right support frame card slot respectively with two pairs of hanging column faces when, two pairs of extensions
Column can slide into corresponding card slot；
Ferrite forming body production line further includes lifting tipper, and the output section for going up and down tipper is connected with overturning lid,
Overturning, which covers, is provided with tumble cylinder, and clamping element is provided in overturning lid, and the piston rod of tumble cylinder passes through overturning lid and is connected with
Clamping element, overturning Gai Nengyu lower tank are fastened and can be connected by the second screw, be detachably connected with sintering on clamping element and hold
Seat is carried, sintering bearing seat can stretch to compacting lower die and contact with ferrite forming body.
Preferably, horizontal drive structure includes:
Horizontal air cylinder is set to outside lower tank；And
Bindiny mechanism comprising:
Deck, the end penetrated in lower tank with horizontal air cylinder are connect, and are provided in deck and are interlocked chamber and starting chamber, even
Dynamic chamber is connected to starting chamber by intercommunicating pore, and guide groove, the guide direction and intercommunicating pore of guide groove are provided on intercommunicating pore inner wall
Centerline parallel, offer compression chamber and the telescopic hole that interlocks chamber and be connected to, the center line and intercommunicating pore of telescopic hole on deck
Center line point-blank；
Ka She shuttles intracavitary in telescopic hole and gearing, and card hole is offered on movable block, and card hole is located at compacting upper mold and leans on
The side of nearly horizontal air cylinder, card house can protrude into card hole, and Ka She is cylindrical structure；
Electromagnet is set on the inner wall of starting chamber, and electromagnet is arranged with respect to intercommunicating pore, and electromagnet and control cabinet connect
It connects；
Guide cylinder, is hollow rectangular parallelepiped structure, and guide cylinder one end connect in the intracavitary end of gearing with card truncation, is oriented to
Cylinder the other end by intercommunicating pore stretch to start it is intracavitary；
Spring is fixed, guide cylinder, which passes through, fixes spring, fixes spring one end and connect with Ka She, fixes the spring other end and company
Dynamic chamber is connected close to the inner wall of intercommunicating pore；
Two guiding line wheels, are respectively arranged on the two opposite sides of guide cylinder, and two guiding line wheels are set in guide groove,
Guide groove both ends are provided with the protrusion skidded off for restricted guidance line wheel；And
Permanent magnet is set in guide cylinder and is arranged with electromagnet face, electromagnet can repel after being powered permanent magnet and
Ka She can be made to stretch in card hole, when electromagnet is not powered on, Ka She does not extend out telescopic hole.
The invention also provides a kind of ferrite forming body production method using above-mentioned ferrite forming body production line,
Following all components are in parts by weight, comprising the following steps:
S1, ferrite powder: 60 parts of iron oxide, 15 parts of nickel oxide, 4.5 parts of copper oxide and 20.5 parts of zinc oxide is prepared；
S2, mixed ferrite powder is put into calcining furnace in the environment of 700 DEG C~750 DEG C calcine 2 hours with
On, obtain calcined body；
S3,55 parts of calcined bodies, 2.07 parts of bonding intermixtures and 45 parts of water are used into agitating ball mill ground and mixed, with
To slurries, wherein the weight of calcined body: bond the aqueous polymethyl methacrylate weight of intermixture: weight=55 of solvent:
2.07:45 is bonded and is contained binder PB-72 solution and binder PVA solution, the binder PB-72 solution in intermixture
In solid masses and the solid masses in the binder PVA solution ratio be 1.45:0.62, every part of binder PB-72
Solution contains 0.3 part of aqueous polymethyl methacrylate, 0.315 part of ethyl alcohol and 0.385 part of water, every part of binder PVA solution
Contain 0.1 part of PVA, 0.405 part of ethyl alcohol and 0.495 part of water；
S4, slurries obtained in agitating ball mill are input in caching agitator tank by pump, cache in agitator tank every 5 parts
Clock stirs a slurries；
S5, nitrogen supply (NS) machine is opened, is granulated in chamber and compression chamber into granulation tower and is passed through nitrogen simultaneously；
S6, the hot gas feeding mechanism for opening spray granulation plant, with to being granulated intracavitary penetrating thermal current；
S7, spray granulation plant spray gun suck slurries from caching agitator tank, and slurries are become after droplet to granulation
Intracavitary penetrating, droplet meet with thermal current, obtain spherical particle；
S8, the horizontal drive structure for starting pressure setting, so that compacting upper mold and compacting lower die deviate；
S9, the first valve is opened, spherical particle, which is constantly fallen into, to be weighed in structure, after reaching demand weight, closes first
Valve, while weighing structure and pouring into spherical particle into compacting lower die, it suppresses the vibration motor below lower die and is pouring into spherical
It is shaken during grain；
S10, the horizontal drive structure for starting pressure setting, so that compacting upper mold and compacting lower die face；
S11, the vertical driving structure for starting pressure setting, so that spherical particle in compacting upper mold impact lower die, it will be spherical
Particle is pressed into ferrite forming body.
Compared with the prior art, the invention has the following beneficial effects:
By the way that the structure of pressure setting is arranged and is granulated the structure of tower bottom, realize after spray granulation plant is granulated immediately
Spherical particle is pressed into ferrite forming body, and is connected in pressing process with the granulation tower of spray granulation plant, avoid because
Spherical particle from spray granulation plant be transferred to pressure setting during active gas enter and lead to finally obtained iron oxygen
Body sintered body has stomata, improves the quality of ferrite cemented body product, increases the market competitiveness.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ferrite forming body production line in embodiment 1；
Fig. 2 is the cross-sectional view suppressed at tank in Fig. 1；
Fig. 3 is the cross-sectional view in Fig. 2 at deck；
Fig. 4 is the cross-sectional view of overturning lid and lower tank in Fig. 1；
Fig. 5 is the structural schematic diagram of recycling system in embodiment 2.
Specific embodiment
Embodiment 1:
As shown in Figure 1 and Figure 2, present invention firstly provides a kind of ferrite forming body production lines, comprising:
Calcining furnace 1 is used to calcining ferrite powder into calcining derived above in 2 hours in the environment of 700 DEG C~750 DEG C
Body；
Agitating ball mill 2 is set to by calcining furnace 1, is obtained with stirring and grinding calcined body, bonding intermixture and water
To slurries；
Agitator tank 3 is cached, is connected to by pump with agitating ball mill 2, with caching and stirring slurry, slurries are cached to slow
It deposits in agitator tank 3, in order to which spray gun is directly sucked in slurries during mist projection granulating, avoids obtaining because of calcining furnace 1 and agitating ball mill 2
To slurries it is insufficient and spray granulation plant is caused to do useless work, while the caching agitator tank 3 mixes calcined body and bonding
Agent has the function of grinding, and solid particle therein is enabled to reach the granular size of needs, finally obtains iron oxygen to improve
The intensity of body sintered body, while the stirring action of agitator tank 3 is cached, it avoids solid, liquid lamination occur in bonding slurries, avoids
The phenomenon for causing the various constituent contents of every spherical particle after being granulated inconsistent；
Spray granulation plant 4 comprising:
Granulation chamber is arranged inside in granulation tower 41, and 41 bottom of granulation tower is conical structure, so that spherical particle can
In the smooth row's of falling into grain pipe, the waste for leading to material due to there is spherical particle clamping stagnation in granulation tower 41, granulation tower 41 are avoided
Bottom surface on be provided with and be granulated row's grain pipe 411 that chamber be connected to, row's grain pipe 411 is set as being provided on subsequent row pipe 411
The first valve 412 for the row's of opening and closing grain pipe 411；
Spray gun (not shown) is installed on 41 outer wall of granulation tower, slurries input terminal and the caching agitator tank 3 of spray gun
Bottom connection, it is intracavitary that the slurries output end of spray gun is located at granulation；
Hot gas feeding mechanism (not shown), output end are connected to chamber is granulated；And
Dust pelletizing system (not shown) is connected to by exhaust fan with chamber is granulated, and stable gas pressure in granulation tower 41 is being maintained
While dust in the gas of discharge is removed, to meet environmental demand；
Pressure setting 5 comprising:
Tank 51 is suppressed, the underface of granulation tower 41 is set to, 51 top of compacting tank connect with 41 bottom of granulation tower, suppresses
Tank 51 forms the closed compression chamber of energy after connecting with granulation tower 41, row's grain pipe 411 is wrapped in the top of compression chamber by compacting tank 51,
It realizes the connection being granulated between chamber and compression chamber to enter without ambient atmos, is indifferent gas due to being granulated in chamber and compression chamber
Body environment (such as: nitrogen environment), therefore the spherical particle obtained after the pelletizing enters between compacting lower die and compacting lower die
When, spherical particle will not be contacted with active gases again, avoid a large amount of spherical particles cause due to contacting external air it is spherical
There is oxygen between particle and spherical particle, and then avoids being difficult to because there is oxygen between particle and spherical particle filtering out and leading completely
There is stomata generation in the ferrite cemented body for causing sintering to obtain, improves the quality of ferrite cemented body product, avoid because of iron
There is stomata in oxysome sintered body and lead to the waste of material, while increasing the market competitiveness of ferrite cemented body；
Lower die 52 is suppressed, compression chamber bottom is set to, compacting lower die 52 offers and demand ferrite forming body shape
The lower mode cavity of matching, the opening of lower mode cavity is vertically upward；
Vibration motor 53 is installed between compacting lower die 52 and compression chamber bottom surface, and the shock energy of vibration motor 53 makes
Each spherical particle is equably paved in the lower mode cavity of compacting lower die 52 after spherical particle is fallen in compacting lower die 52, is avoided
The iron for leading to there is corner not fill spherical particle in lower mode cavity by self accumulation of lower backward spherical particle, and then avoiding
Oxysome sintered body product has phenomena such as unfilled corner, ensure that production obtains ferrite cemented body and is able to satisfy shape requirements；
Upper mold 54 is suppressed, be set in compression chamber and is located at 52 top of compacting lower die, compacting upper mold 54 and compacting lower die
The cavity to match with demand ferrite forming body shape can be formed after 52 fastenings；
Mould bases 55, compacting upper mold 54 are installed on mould bases 55 by movable block 551, and suppress upper mold 54 and movable block 551
It can the opposite sliding of mould bases 55；
Vertical driving structure 56 is set on compacting tank 51, and the output section of vertical driving structure is connect with mould bases 55, with
Compacting upper mold 54 is set to impact spherical particle in lower mode cavity, vertical driving structure 56 is two vertical cylinders in the present embodiment；
Horizontal drive structure 57 is set on compacting tank 51, and the output section of horizontal drive structure 57 passes through bindiny mechanism
Can with compacting upper mold 54 connect, horizontal drive structure 57 by bindiny mechanism can make suppress upper mold 54 and suppress lower die 52 deviation or
Face, bindiny mechanism can also make in pressing process horizontal drive structure 57 and compacting upper mold 54 be detached from, due to weigh structure to
Compacting lower die 52, which is supplied in the approach of spherical particle, compacting upper mold 54, and in pressing process, compacting upper mold 54 again must be with
It suppresses lower die 52 to be aligned, the ferrite forming body obtained in this way is just needed shape, and suppresses upper mold 54 and compacting lower die 52
After alignment, and spherical particle can not will be passed through into compacting lower die 52, because having compacting upper mold 54 gear wherein, mould bases 55 is frame
Shape structure, mould bases 55 can suspend compacting upper mold 54 in midair, and provide sliding rail i.e. to suppress the sliding of upper mold 54 and sliding shoe
Can, while based on the above reasons, compacting upper mold 54 and sliding shoe are slidably arranged on mould bases 55, by the way that horizontal drive is arranged
Structure 57, realize will suppress upper mold 54 push to the position that is aligned of compacting lower die 52 and will compacting upper mold 54 be pushed into suppress under
When the position that mould 52 deviates, compacting 54 position of upper mold and compacting lower die 52 deviate, it can open and weigh structure as under compacting
Mould 52 when suppressing the drive of upper mold 54 due to 57 pairs of horizontal drive structure is required to that upper mold 54 and water will be suppressed for spherical particle
Flat driving structure 57 links together, and mould bases 55 and compacting upper mold 54 can push in pressing process, horizontal drive structure
57 can then hamper the progress of compacting work with the connection of compacting upper mold 54, therefore bindiny mechanism is arranged, to realize in pressing process
Middle horizontal drive structure 57 can be with the compacting disengaging of upper mold 54, and when needing mobile compacting upper mold 54, then bindiny mechanism realizes level
The connection of driving structure 57 and sliding shoe then both ensure that being normally carried out for compacting work, in turn ensure compacting 54 water of upper mold
The dynamic implementation of translation；And
Structure 58 is weighed, the underface of row's grain pipe 411 is set in compression chamber and is located at, structure 58 is weighed and is located at row's grain
Pipe mould bases 55 between, weigh structure 58 can the row's of undertaking grain pipe 411 discharge spherical particle, also can be by the spherical particle after weighing
It is discharged into compacting lower die 52, the quality of each ferrite forming body to be produced has regulation, it is therefore desirable to each indentation
It is required to compacting lower die 52 and the amount for suppressing the spherical particle between upper mold 54, by passing through gravity reality in this present embodiment
Spherical particle is transferred in compacting upper mold 54 in present granulation tower 41, when the design can save the work of the metering devices such as metering pump
The energy used, is good for the environment, while gravity realizes that spherical particle is transferred in compacting upper mold 54 in granulation tower 41
The metering method that metering pump etc. cannot be used utilizes the metering method of fluid flow, this mode is due to being all estimation, meter
Amount inaccuracy, and the weighing structure 58 that the present embodiment uses can calculate in real time for access type and have been introduced into weighing structure 58
In spherical particle, then whole after weighing the spherical particle in structure 58 and reaching weighing after demand directly is spherical
Particle is input in compacting lower die 52, improves the accuracy of metering；
Nitrogen supply (NS) machine (not shown), output end are connected to granulation chamber and compression chamber；And
Control cabinet (not shown), calcining furnace 1, agitating ball mill 2, caching agitator tank 3, spray granulation plant 4 and nitrogen
Gas supply machine be connected to control cabinet, with control calcining furnace 1, agitating ball mill 2, caching agitator tank 3, spray granulation plant 4 with
And the orderly progress of nitrogen supply (NS) machine work.
As shown in Fig. 2, in order to which design structure is simple, weighing structure 58 easy to use, while working efficiency is improved, it weighs
Structure 58 includes:
Support plate 581, across the top of compacting tank 51, support plate 581 is fixed on the inner wall of compression chamber；
Sliding shoe 582 is slidably positioned in support plate 581；
Two weighing funnels 583, each weighing funnel 583 include bucket ontology 501, and the middle part struggled against on ontology 501 is provided with
Carrier block 502, the bottom of bucket ontology 501 pass through support plate 581, sliding shoe 582 and carrier block 502, weighing funnel 583 and cunning
Motion block 582 is unlocked, and sliding shoe 582 is only supported by 502 weighing funnel 583 of carrier block；
Two second valves 584, two second valves 584 are respectively arranged at the bottom of two weighing funnels 583, with switching station respectively
In weighing funnel 583；
Two weight sensor (not shown) are arranged on sliding shoe 582, and each weight sensor is weighed with one
Funnel 583 is correspondingly arranged, spherical in the weighing funnel 583, the second valve 584 and weighing funnel 583 to detect position
The total weight of particle；
Driving structure 585 is weighed, is connected with sliding shoe, so that a weighing funnel 583 and row's 411 face of grain pipe are another simultaneously
One weighing funnel 583 can pour into spherical particle to compacting lower die 52；And
Weighting and Controlling circuit (not shown) weighs driving structure 585, two weight sensors and two second valves 584
It is connected with Weighting and Controlling circuit, Weighting and Controlling circuit is connected with control cabinet.When needing to suppress, control cabinet control first is spraying
Prilling granulator 4 opens the first valve 412, since original state just has a weighing funnel 583 to be aligned (i.e.: with row's grain pipe 411 certainly
The weighing funnel 583 be in weigh operating position), therefore should in weigh operating position weighing funnel 583 can receive from
Arrange the spherical particle that grain pipe 411 is discharged, while the weight sensor real-time detection weighing funnel 583 of 583 lower section of weighing funnel
In spherical particle amount, and send Weighting and Controlling circuit to；Then, Weighting and Controlling circuit is detected everywhere by weight sensor
When spherical particle in the weighing funnel 583 for weighing operating position reaches preset value, Weighting and Controlling circuit control weighs driving
Structure 585 works, and weighs driving structure 585 for original place and is transferred to deviation row's grain pipe in the weighing funnel 583 for weighing operating position
411 position (when weighing funnel 583 is located at row 411 two sides of grain pipe, weighing funnel 583 is in discharge operating position), installs
The weighing funnel 583 of spherical particle reaches discharge operating position, another weighing funnel 583, which reaches, weighs operating position, at this moment
Weighting and Controlling circuit opens the second valve 584 of the weighing funnel 583 in discharge operating position, in discharge operating position
Weighing funnel 583 is discharged into spherical particle to compacting lower die 52, can also open the first valve 412 at the same time in weighing work
Spherical particle is discharged in the weighing funnel 583 for making position, realizes the weighing of a weighing funnel 583 while another installs spherical
The weighing funnel 583 of grain conveys spherical particle, and then when the compacting lower die 52 of next spherical particle to be inserted is come then, so that it may
Directly to compacting 52 discharge of lower die, to improve working efficiency, and realized by way of power of directly weighing to wanting to be discharged into every time
The spherical particle of compacting lower die 52 is weighed, and ensure that weighing accuracy.
In order to which design structure is simple, weighing driving structure 585 easy to use, weighing driving structure 585 includes:
Transmission chain (not shown), is set to outside compression chamber；
Two pull band 503, and 582 side of sliding shoe is connect by a pulling band 503 with transmission chain one end, another pulling band 503
582 other side of sliding shoe is connect with the transmission chain other end；
Sprocket wheel (not shown) is fixed on outside compacting tank 51, and sprocket wheel is engaged with transmission chain；
Weighing motor (not shown), rotation axis are connect with sprocket wheel, and rotary electric machine is electrically connected with Weighting and Controlling circuit；With
And
Two pulleys 504, in outside compacting tank 51, each pulley 504 is close to a pulling band 503 and penetrates compacting for rotational installation
It is arranged at tank 51, each pulley 504 is tangent with the pulling band 503 of position.When pulling, weighing motor rotation drives chain
Wheel rotation, transmission chain relatively move on sprocket wheel, the movement of transmission chain, so that sliding shoe 582 also drives weighing funnel 583 to move
It is dynamic, realize that weighing funnel 583 moves back and forth in weighing operating position and discharge operating position；And this design realizes weighing motor
It is being suppressed always outside tank 51 with sprocket wheel, the particle dust that can be also brought into slurries due to compression chamber is easy to appear sprocket wheel
Catching phenomenon between transmission chain passes through setting and pulls band 503 and transmission chain long enough, so that it may so that transmission chain position always
In outside compacting tank 51, and it is smooth to pull band 503 to be designed as surface, will not be caught in dust, passes through setting pulley 504 and realizes and pulls
With 503 steering, because of the mobile linear motion of sliding shoe 582, so that pulling band 503 between two pulleys 504
For straight line.
It needs to be sintered due to obtaining ferrite forming body after compacting, needs to be transferred on the bearing seat of as many as specific materials
(ferrite forming body will not be just bonded together with bearing seat in such sintering process), then by bearing seat and ferrite at
Body is put into togerther to be sintered into sintering furnace, therefore in order to avoid not occurring on bearing seat by ferrite forming body transfer
Deformation, and be conveniently put into compacting lower die 52 in compression chamber and carried out following design as shown in Fig. 1 and Fig. 4:
Suppressing tank 51 includes upper tank body 511, lower tank 512, support base 513 and jack 514, and weighing device is set to
Upper tank body 511, vertical driving structure, horizontal drive structure 57, bindiny mechanism, compacting upper mold 54, compacting lower die 52 and vibration
Motor is all set in lower tank 512, and the middle part of granulation tower 41 is connected with support column, and upper tank body 511 and granulation tower 41 are fixed, support
Seat 513 is set to the lower section of lower tank 512, is arranged jack 514 below support base 513, jack 514 can make lower tank 512 with
Upper tank body 511 is close to, and lower tank 512 is close to connect by the first screw 515 with upper tank body 511, and jack 514 can also make not
It is separated by the lower tank 512 that the first screw 515 connects with upper tank body 511, the outer wall of lower tank 512 is protruding with and horizontal plane
Two pairs of parallel hanging columns, two pairs of hanging columns are located at the two opposite sides of lower tank 512；
Ferrite forming body production line further includes transfer cart 6, and transfer cart 6 includes left support frame (not shown), right support
Frame 61, chassis 62 and four wheels 63, four wheels 63 are respectively arranged on the bottom surface of chassis 62, left support frame and right support
Frame 61 is both secured on chassis 62, there is distance, and 61 energy of left support frame and right support frame between left support frame and right support frame 61
Lower tank 512 is located at centre, card slot 64 is provided in left support frame and right support frame 61, when 64 He of card slot of left support frame
61 card slot 64 of right support frame respectively with two pairs of 516 faces of hanging column when, two pairs of hanging columns 516 can slide into corresponding card slot 64；
Ferrite forming body production line further includes lifting tipper 7, and the output section of lifting tipper 7 is connected with overturning lid
71, it is provided with tumble cylinder 75 on overturning lid 71, overturns in lid 71 and is provided with clamping element 72, the piston rod of tumble cylinder 75 is worn
It crosses overturning lid 71 and is connected with clamping element 72, overturning lid 71 can be fastened with lower tank 512 and can be connect by the second screw 74, be clamped
Sintering bearing seat 73 is detachably connected on part 72, sintering bearing seat 73 can stretch to compacting lower die 52 and ferrite forming
Body contact.Transfer cart 6 be set as by lower tank 512 together with compacting lower die 52 and ferrite forming body transfer the side of providing
Just, while in installation process and transfer process, it is only necessary to jack 514 it is flexible can, save labour, reduce labor
Dynamic cost.
As shown in FIG. 2 and 3, it in order to which design structure is simply with horizontal drive structure 57 easy to use, avoids simultaneously
It interferes to suppress moving down for lower die 52 and movable block 551, water because horizontal air cylinder needs to connect with the movable block 551 for suppressing lower die 52
Flat driving structure 57 includes:
Horizontal air cylinder 571 is set to outside lower tank 512；And
Bindiny mechanism comprising:
Deck 572, the end penetrated in lower tank 512 with horizontal air cylinder 571 are connect, and gearing is provided in deck 572
Chamber 570 and starting chamber 579 interlock chamber 570 and are connected to starting chamber 579 by intercommunicating pore, be provided with guide groove on intercommunicating pore inner wall,
The guide direction of guide groove and the centerline parallel of intercommunicating pore, offer on deck 572 by compression chamber with interlock what chamber 570 was connected to
The center line of telescopic hole, the center line of telescopic hole and intercommunicating pore is point-blank；
Card house 573 shuttles in telescopic hole and interlocks in chamber 570, card hole offered on movable block 551, card hole is located at
Upper mold 54 is suppressed close to the side of horizontal air cylinder 571, card house 573 can protrude into card hole, and card house 573 is cylindrical structure；
Electromagnet 574 is set on the inner wall of starting chamber 579, and electromagnet 574 is arranged with respect to intercommunicating pore, electromagnet
574 connect with control cabinet；
Guide cylinder 575 is hollow rectangular parallelepiped structure, and 575 one end of guide cylinder and card house 573, which are located at, to be interlocked in chamber 570
End connection, 575 other end of guide cylinder are stretched in starting chamber 579 by intercommunicating pore；
Spring 576 is fixed, guide cylinder 575, which passes through, fixes spring 576, fixes 576 one end of spring and connect with card house 573, blocks
Gu 576 other end of spring is connect with gearing chamber 570 close to the inner wall of intercommunicating pore；
Two guiding line wheels 577, are respectively arranged on the two opposite sides of guide cylinder 575, and two guiding line wheels 577 are set to
In guide groove, guide groove both ends are provided with the protrusion skidded off for restricted guidance line wheel 577；And
Permanent magnet 578 is set in guide cylinder 575 and is arranged with 574 face of electromagnet, energy after electromagnet 574 is powered
Repel permanent magnet 578 and card house 573 can be made to stretch in card hole, when electromagnet 574 is not powered on, card house 573 does not extend out flexible
Hole.When needing that compacting upper mold 54 is driven to move in the horizontal direction, control cabinet controlled level cylinder 571 is operated, so that horizontal gas
The piston rod of cylinder 571 drives deck 572 to stretch to Mobile base, when card house 573 is opposite with card hole, control cabinet controlled level cylinder
571 stop working, and then control electromagnet 574 and are powered, electromagnet 574 is mutually exclusive with permanent magnet 578 after being powered, so that Ka She
573 stretch in card hole, then after again controlled level cylinder 571 retract, horizontal air cylinder 571 drive movable block 551 and compacting on
Mould 54 is mobile, so that compacting upper mold 54 and compacting lower die 52 deviate, pours into spherical particle when compacting lower die 52 is weighed structure 58
After, controlled level cylinder 571 is released again, so that compacting upper mold 54 and compacting 52 face of lower die, finally control electromagnet 574
Power-off discharges movable block 551 so that card house 573 is detached from card hole, to facilitate compacting upper mold 54 to move down.
The invention also provides a kind of ferrite forming body production method using above-mentioned ferrite forming body production line,
Following all components are in parts by weight, comprising the following steps:
S1, ferrite powder: 60 parts of iron oxide, 15 parts of nickel oxide, 4.5 parts of copper oxide and 20.5 parts of zinc oxide is prepared；
S2, mixed ferrite powder is put into calcining furnace 1 in the environment of 700 DEG C~750 DEG C calcine 2 hours with
On, obtain calcined body；
S3,55 parts of calcined bodies, 2.07 parts of bonding intermixtures and 45 parts of water are used into 2 ground and mixed of agitating ball mill, with
It obtains slurries, wherein the weight of calcined body: bonding the aqueous polymethyl methacrylate weight of intermixture: weight=55 of water:
2.07:45 is bonded and is contained binder PB-72 solution and binder PVA solution, the binder PB-72 solution in intermixture
In solid masses and the solid masses in the binder PVA solution ratio be 1.45:0.62, every part of binder PB-72
Solution contains 0.3 part of aqueous polymethyl methacrylate, 0.315 part of ethyl alcohol and 0.385 part of water, every part of binder PVA solution
Contain 0.1 part of PVA, 0.405 part of ethyl alcohol and 0.495 part of water；
S4, slurries obtained in agitating ball mill 2 are input in caching agitator tank 3 by pump, are cached every in agitator tank 3
5 parts of clocks stir a slurries；
S5, nitrogen supply (NS) machine is opened, is granulated in chamber and compression chamber into granulation tower 41 and is passed through nitrogen simultaneously；
S6, the hot gas feeding mechanism for opening spray granulation plant 4, with to being granulated intracavitary penetrating thermal current；
S7, spray granulation plant 4 spray gun suck slurries from caching agitator tank 3, and slurries are become into droplet and are made backward
The intracavitary penetrating of grain, droplet meet with thermal current, obtain spherical particle；
S8, the horizontal drive structure 57 for starting pressure setting 5, so that compacting upper mold 54 and compacting lower die 52 deviate；
S9, the first valve 412 is opened, spherical particle, which is constantly fallen into, to be weighed in structure 58, after reaching demand weight, is closed
First valve 412, while weighing structure 58 and pouring into spherical particle, the vibration motor of 52 lower section of compacting lower die into compacting lower die 52
53 shake during pouring into spherical particle；
S10, the horizontal drive structure 57 for starting pressure setting 5, so that compacting upper mold 54 and compacting 52 face of lower die；
S11, the vertical driving structure for starting pressure setting 5, so that compacting lower die 52 impacts spherical particle in lower die, by ball
Shape particle is pressed into ferrite forming body.Increase ethyl alcohol, so that the aqueous polymethyl of adhesive in obtained bonding intermixture
Sour methyl esters can dissolve, so that the aqueous polymethyl methacrylate mixing in slurries of bonding intermixture is more uniform, guarantee each
There is bonding intermixture at place, and the quality that ferrite cemented body is obtained after the ferrite forming body sintering improved is higher.
Embodiment 2:
The present embodiment the difference from embodiment 1 is that: in order to avoid caching agitator tank 3 in the case where slurries manufacture is excessive
Middle to waste energy because of stirring and avoid waste of material, embodiment adds recycling systems and slurries to be recycled.
Due to the slurries of bonding intermixture and calcined body mixing composition, because bonding intermixture can make calcined body be bonded in one
It rises and cemented phenomenon occurs, therefore need to separate bonding intermixture with calcined body.
Ferrite forming body production line further includes recycling system in the present embodiment, as shown in figure 5, recycling system
Include:
Recovery pump 81, input terminal are connected to caching agitator tank 3；
Recovery pond 82 is bonded, is set to outside caching agitator tank 3；
Ethyl alcohol liquid feeding structure (not shown) comprising be set to the second for being used to fill ethanol solution on 82 side of bonding recovery pond
Alcohol tank, Ethanol tank are communicated with ethyl alcohol pump (ethyl alcohol pump is a kind of metering pump), and ethyl alcohol pump is electrically connected with control cabinet, the output of ethyl alcohol pump
End is connected to caching agitator tank 3；
Heater (not shown) is set in bonding recovery pond 82, and heater is connected with control cabinet；
Solid recovery pond 83 is set to by bonding recovery pond 82；
Frame 84 is recycled, is stood among bonding recovery pond 82 and solid recovery pond 83；
Transverse strands 85 are set to the top of bonding recovery pond 82；
Electric cylinder 86 is set on recycling frame 84, the transmission direction and horizontal direction parallel transverse strands 85 of electric cylinder 86
It is connect with the piston of electric cylinder 86, filtrate bag can be delivered to and the position of bonding 82 face of recovery pond or and solid by electric cylinder 86
The position of 83 face of recovery pond；
Hoist engine 87 is set in transverse strands 85, and convolution has drawstring on hoist engine 87；
Jitter block 88 is provided with sliding rail 802 in transverse strands 85, and the guide direction of sliding rail 802 is parallel with vertical direction, shake
Block 88 is slidingly arranged on sliding rail 802, and the top of jitter block 88 is connected with drawstring；And
Filtrate bag 89 is connected to 88 lower section of jitter block, is inlaid in jitter block 88 for being connected to 81 output end of recovery pump
With the inlet pipe of filtrate bag 89, the water inlet pipe 80 for being connected to running water pipe and filtrate bag 89 is also inlaid in jitter block 88, into
The third valve 801 for being opened and closed water inlet pipe 80 is provided on water pipe 80；
Wherein, recovery pump 81, ethyl alcohol pump, heater, electric cylinder 86, hoist engine 87 and third valve 801 with control
Case is connected.
A kind of ferrite forming body producer using above-mentioned ferrite forming body production line is also provided in the present embodiment
Method needs to carry out slurries recovery processing when not needing to make ferrite forming body again in this method；
Specifically, slurries, which are recycled, includes:
S101, control cabinet start recovery pump 81, and the slurries cached in agitator tank 3 are pumped into filtrate bag 89；
S102, control cabinet start hoist engine 87, stretch to filtrate bag 89 in bonding recovery pond 82；
S103, control cabinet starting ethyl alcohol pump, make bond recovery pond 82 in ethyl alcohol cover filtrate bag 89, and by filtrate bag 89 Hes
Slurries impregnate 2~4 in ethanol solution (ethanol solution contains the ethyl alcohol that weight ratio is 45% and the water that weight ratio is 55%)
A hour, since aqueous polymethyl methacrylate and PVA (that is to say: polyvinyl alcohol) are dissolved in second alcohol and water, so being designed as
Aqueous polymethyl methacrylate and PVA be all dissolved in second alcohol and water；
S104, control cabinet start hoist engine 87, are located at filtrate bag 89 right above bonding recovery pond 82；
S105, control cabinet control hoist engine 87 carry out back rotation, shake filtrate bag 89 back and forth right above bonding recovery pond 82
It swings 3 times, so that liquid is separated with solid；
S106, control cabinet control third valve 801 are opened, and control cabinet control hoist engine 87 carrys out back rotation again, makes to filter
Liquid bag 89 shakes 3 times back and forth right above bonding recovery pond 82, so that the liquid contained in solid dilutes again, and water is added,
By the modes such as drying, water is easy to separate with calcined body,；
S107, control cabinet start electric cylinder 86, are located at filtrate bag 89 right above solid recovery pond 83；
S108, control cabinet control hoist engine 87 again, move down jitter block 88, filtrate bag 89 are removed manually, after filtering
Obtained solid pours into solid recovery pond 83.
Can be used simultaneously aqueous polymethyl methacrylate in special experimental facilities detection bonding recovery pond 82, PVA,
The content of second alcohol and water, when for ethyl alcohol and dilutional hyponatremia, control cabinet controls heater heating and is convenient for so that second alcohol and water volatilizees
The content for adjusting each component of the liquid in bonding recovery pond 82, when aqueous polymethyl methacrylate, PVA, second alcohol and water are each
It is convenient to use next time by increasing content to reach the proportion of bonding intermixture when component is very few.
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 (6)
1. a kind of ferrite forming body production line characterized by comprising
Calcining furnace is used to calcining ferrite powder into 2 hours calcined bodies derived above in the environment of 700 DEG C~750 DEG C；
Agitating ball mill is set to by calcining furnace, is starched with stirring and grinding calcined body, bonding intermixture and water
Liquid；
Agitator tank is cached, is connected to by pump with agitating ball mill, with caching and stirring slurry；
Spray granulation plant comprising:
Granulation chamber is arranged inside in granulation tower, and granulation tower bottom is conical structure, is provided with and is granulated on the bottom surface of granulation tower
Row's grain pipe of chamber connection, arranges the first valve being provided on grain pipe for the row's of opening and closing grain pipe；
Spray gun is installed on granulation tower outer wall, and the slurries input terminal of spray gun is connected to the bottom of caching agitator tank, the slurry of spray gun
It is intracavitary that liquid output end is located at granulation；
Hot gas feeding mechanism, output end are connected to chamber is granulated；And
Dust pelletizing system is connected to by exhaust fan with chamber is granulated；
Pressure setting comprising:
Tank is suppressed, the underface of granulation tower is set to, compacting tank top is connect with tower bottom is granulated, and compacting tank and granulation tower connect
The closed compression chamber of energy is formed after connecing, row's grain pipe is wrapped in the top of compression chamber by compacting tank；
Suppress lower die, be set to compression chamber bottom, compacting lower die is offered match with demand ferrite forming body shape under
Die cavity, the opening of lower mode cavity is vertically upward；
Vibration motor is installed between compacting lower die and compression chamber bottom surface；
Upper mold is suppressed, compacting lower die top, energy shape after compacting upper mold and compacting lower die fasten are set in compression chamber and are located at
At the cavity to match with demand ferrite forming body shape；
Mould bases, compacting upper mold are installed on mould bases by movable block, and suppress upper mold and the opposite mould bases sliding of movable block energy；
Vertical driving structure is set on compacting tank, and the output section of vertical driving structure is connect with mould bases, so that compacting upper mold
Spherical particle in lower mode cavity can be impacted；
Horizontal drive structure is set on compacting tank, the output section of horizontal drive structure by bindiny mechanism can in compacting
Mould connection, horizontal drive structure can make to suppress upper mold by bindiny mechanism and compacting lower die deviates or face, bindiny mechanism also can
It is detached from horizontal drive structure and compacting upper mold in pressing process；And
Weigh structure, be set in compression chamber and be located at the underface of row's grain pipe, weigh structure be located at row's grain pipe and mould bases it
Between, weigh structure can the row of undertaking grain pipe discharge spherical particle, the spherical particle after weighing can be also discharged into suppress lower die in；
Nitrogen supply (NS) machine, output end are connected to granulation chamber and compression chamber；And
Control cabinet, calcining furnace, agitating ball mill, caching agitator tank, spray granulation plant and nitrogen supply (NS) machine are connected to control
Case processed.
2. ferrite forming body production line according to claim 1, which is characterized in that weighing structure includes:
Support plate, across the top of compacting tank, support plate is fixed on the inner wall of compression chamber；
Sliding shoe is slidably positioned in support plate；
Two weighing funnels, each weighing funnel include bucket ontology, and the middle part struggled against on ontology is provided with carrier block, the bottom for the ontology that struggles against
Portion passes through support plate, sliding shoe and carrier block, and weighing funnel is unlocked with sliding shoe, and it is symmetrical that sliding shoe only passes through carrier block
Amount funnel is supported；
Two second valves, two second valves are respectively arranged at the bottom of two weighing funnels, with switching station respectively in weighing funnel；
Two weight sensors are arranged on sliding shoe, and each weight sensor is correspondingly arranged with a weighing funnel, with inspection
Survey the total weight of spherical particle in the weighing funnel, the second valve and weighing funnel of position；
Weigh driving structure, be connected with sliding shoe so that a weighing funnel with arrange grain pipe face another weighing funnel energy simultaneously
Spherical particle is poured into compacting lower die；And
Weighting and Controlling circuit weighs driving structure, two weight sensors and two second valves and is connected with Weighting and Controlling circuit,
Weighting and Controlling circuit is connected with control cabinet.
3. ferrite forming body production line according to claim 2, which is characterized in that weighing driving structure includes:
Transmission chain is set to outside compression chamber；
Two pull bands, and sliding shoe side is connect by a pulling band with transmission chain one end, another pulling band by the sliding shoe other side and
The connection of the transmission chain other end；
Sprocket wheel is fixed on outside compacting tank, and sprocket wheel is engaged with transmission chain；
Weighing motor, rotation axis are connect with sprocket wheel, and rotary electric machine is electrically connected with Weighting and Controlling circuit；And
Two pulleys, in outside compacting tank, each pulley is close to a pulling band and penetrates setting at compacting tank, each cunning for rotational installation
The pulling with position is taken turns with tangent.
4. ferrite forming body production line according to claim 3, which is characterized in that
Suppressing tank includes upper tank body, lower tank, support base and jack, and weighing device is set to upper tank body, vertical driving knot
Structure, horizontal drive structure, bindiny mechanism, compacting upper mold, compacting lower die and vibration motor are all set in lower tank, granulation tower
Middle part is connected with support column, and upper tank body is fixed with granulation tower, and support base is set to below lower tank, and setting is very heavy below support base
Top, jack can be such that lower tank is close to upper tank body, and lower tank is close to connect by the first screw with upper tank body, jack
It can make not separate by the lower tank that the first screw connects with upper tank body, the outer wall of lower tank, which is protruding with, to be parallel to the horizontal plane
Two pairs of hanging columns, two pairs of hanging columns are located at the two opposite sides of lower tank；
Ferrite forming body production line further includes transfer cart, and transfer cart includes left support frame, right support frame, chassis and four vehicles
Wheel, four wheels are respectively arranged on the bottom surface of chassis, and left support frame and right support frame are both secured on chassis, left support frame and
There is distance between right support frame, and lower tank can be located at centre, left support frame and right support frame by left support frame and right support frame
On be provided with card slot, when the card slot of left support frame and right support frame card slot respectively with two pairs of hanging column faces when, two pairs of hanging column energy
It slides into corresponding card slot；
Ferrite forming body production line further includes lifting tipper, and the output section for going up and down tipper is connected with overturning lid, is being overturn
It covers and is provided with tumble cylinder, clamping element is provided in overturning lid, the piston rod of tumble cylinder passes through overturning lid and is connected with clamping
Part, overturning Gai Nengyu lower tank are fastened and can be connected by the second screw, are detachably connected with sintering bearing seat on clamping element,
Sintering bearing seat can stretch to compacting lower die and contact with ferrite forming body.
5. ferrite forming body production line according to claim 4, which is characterized in that horizontal drive structure includes:
Horizontal air cylinder is set to outside lower tank；And
Bindiny mechanism comprising:
Deck, the end penetrated in lower tank with horizontal air cylinder are connect, and are provided in deck and are interlocked chamber and starting chamber, interlock chamber
It is connected to starting chamber by intercommunicating pore, is provided with guide groove on intercommunicating pore inner wall, in the guide direction and intercommunicating pore of guide groove
Heart line is parallel, offered on deck by compression chamber with interlock the telescopic hole that is connected to of chamber, in the center line and intercommunicating pore of telescopic hole
Heart line is point-blank；
Ka She shuttles intracavitary in telescopic hole and gearing, and card hole is offered on movable block, and card hole is located at compacting upper mold close to water
The side of flat cylinder, card house can protrude into card hole, and Ka She is cylindrical structure；
Electromagnet is set on the inner wall of starting chamber, and electromagnet is arranged with respect to intercommunicating pore, and electromagnet is connect with control cabinet；
Guide cylinder is hollow rectangular parallelepiped structure, and guide cylinder one end is connect with card truncation in the intracavitary end of gearing, and guide cylinder is another
One end by intercommunicating pore stretch to starting it is intracavitary；
Spring is fixed, guide cylinder, which passes through, fixes spring, fixes spring one end and connect with Ka She, fixes the spring other end and interlocks chamber
Inner wall close to intercommunicating pore connects；
Two guiding line wheels, are respectively arranged on the two opposite sides of guide cylinder, and two guiding line wheels are set in guide groove, are oriented to
Slot both ends are provided with the protrusion skidded off for restricted guidance line wheel；And
Permanent magnet is set in guide cylinder and is arranged with electromagnet face, and electromagnet can repel permanent magnet after being powered and can make
Ka She is stretched in card hole, and when electromagnet is not powered on, Ka She does not extend out telescopic hole.
6. a kind of ferrite forming body production method using ferrite forming body production line described in claim 1, feature
It is, following all components are in parts by weight, comprising the following steps:
S1, ferrite powder: 60 parts of iron oxide, 15 parts of nickel oxide, 4.5 parts of copper oxide and 20.5 parts of zinc oxide is prepared；
S2, mixed ferrite powder is put into calcining furnace and is calcined 2 hours or more in the environment of 700 DEG C~750 DEG C, obtained
To calcined body；
S3,55 parts of calcined bodies, 2.07 parts of bonding intermixtures and 45 parts of water are used into agitating ball mill ground and mixed, to be starched
Liquid, wherein the weight of calcined body: the aqueous polymethyl methacrylate weight of intermixture: weight=55 of solvent is bonded:
2.07:45 is bonded and is contained binder PB-72 solution and binder PVA solution, the binder PB-72 solution in intermixture
In solid masses and the solid masses in the binder PVA solution ratio be 1.45:0.62, every part of binder PB-72
Solution contains 0.3 part of aqueous polymethyl methacrylate, 0.315 part of ethyl alcohol and 0.385 part of water, every part of binder PVA solution
Contain 0.1 part of PVA, 0.405 part of ethyl alcohol and 0.495 part of water；
S4, slurries obtained in agitating ball mill are input in caching agitator tank by pump, cache every 5 parts of clocks in agitator tank and stirs
Mix a slurries；
S5, nitrogen supply (NS) machine is opened, is granulated in chamber and compression chamber into granulation tower and is passed through nitrogen simultaneously；
S6, the hot gas feeding mechanism for opening spray granulation plant, with to being granulated intracavitary penetrating thermal current；
S7, spray granulation plant spray gun suck slurries from caching agitator tank, and slurries are become intracavitary to being granulated after droplet
It sprays into, droplet meets with thermal current, obtains spherical particle；
S8, the horizontal drive structure for starting pressure setting, so that compacting upper mold and compacting lower die deviate；
S9, the first valve is opened, spherical particle, which is constantly fallen into, to be weighed in structure, after reaching demand weight, the first valve is closed,
Structure is weighed simultaneously and pours into spherical particle into compacting lower die, is suppressed the vibration motor below lower die and is being poured into spherical particle process
Middle vibration；
S10, the horizontal drive structure for starting pressure setting, so that compacting upper mold and compacting lower die face；
S11, the vertical driving structure for starting pressure setting, so that spherical particle in compacting upper mold impact lower die, by spherical particle
It is pressed into ferrite forming body.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08258015A (en) * | 1995-03-24 | 1996-10-08 | Hitachi Metals Ltd | Method and apparatus for wet molding |
| JP3319502B2 (en) * | 1997-07-17 | 2002-09-03 | 三菱マテリアル株式会社 | Manufacturing method of ceramic granulated powder |
| FR2784498B1 (en) * | 1999-11-30 | 2001-10-12 | Ugimag Sa | PROCESS FOR PRODUCING FERRITE-TYPE MAGNETS |
| DE102005018949A1 (en) * | 2005-04-18 | 2006-10-19 | Ami-Agrolinz Melamine International Gmbh | Solid particles production, especially urea particles, from flowable starting material containing e.g. actinium oxide, useful e.g. in catalysts or milling bodies, comprises splitting into droplets and introducing into solidification liquid |
| CN201998299U (en) * | 2010-12-08 | 2011-10-05 | 广东省梅州市磁性材料厂 | Pelleting device used for sintering permanent magnet ferrite dry-pressed molding |
| CN102875153B (en) * | 2012-09-27 | 2013-11-27 | 宁波伏尔肯机械密封件制造有限公司 | Spray drying granulation method of silicon nitride ceramic powder used for mechanical sealing |
| CN104387090B (en) * | 2014-05-19 | 2016-08-24 | 深圳顺络电子股份有限公司 | A kind of slurry for ferrite powder mist projection granulating and preparation method thereof |
| CN204485797U (en) * | 2014-12-11 | 2015-07-22 | 区有辉 | A kind of ceramic batch comminutor and feed arrangement |
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