CN206613984U - A kind of constant temperature precoated sand production line - Google Patents
A kind of constant temperature precoated sand production line Download PDFInfo
- Publication number
- CN206613984U CN206613984U CN201720125108.2U CN201720125108U CN206613984U CN 206613984 U CN206613984 U CN 206613984U CN 201720125108 U CN201720125108 U CN 201720125108U CN 206613984 U CN206613984 U CN 206613984U
- Authority
- CN
- China
- Prior art keywords
- precoated sand
- rotating bucket
- constant temperature
- production line
- sand production
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of constant temperature precoated sand production line, including screening plant, power set, heating furnace and mixer, it is characterized in that, middle rotating bucket is provided between heating furnace and mixer, the middle middle side part of rotating bucket outer wall two is provided with central axis hole, and the central axis hole is articulated and connected with fixed arm, the middle side lower part of rotating bucket outer wall two is provided with bottom outlet, the bottom outlet is hinged with performing arm, and the fixed arm is connected with performing arm with power set, and heater is provided with the middle rotating bucket.In precoated sand production process, middle rotating bucket is transported to specified location by fixed arm, then by controlling to perform the unloading operation that arm carries out raw material.In course of conveying, by heating devices heat, precoated sand is set to keep constant temperature, so as to reduce the fraction defective in precoated sand production process.
Description
Technical field
The utility model is related to a kind of precoated sand production line, and in particular to a kind of constant temperature precoated sand production line.
Background technology
Precoated sand, sand grain surface is covered with the molding sand or core sand of one layer of hard resin film before moulding.There are cold process and Re Fa
Two kinds of coating techniques：Cold process ethanol dissolves resin, and adds methenamine during mulling, the two is coated on sand grains
Surface, ethanol volatilization, obtains precoated sand；Sand is preheating to certain temperature by hot method, plus resin melts it, and stirring makes resin-coating exist
Sand grain surface, plus the methenamine aqueous solution and lubricant, cool down, crush, sieving and to obtain precoated sand.For steel-casting, ironcasting.
Precoated sand is invented by German clo doctor Ning during World War II, and its technical process is by the thermosetting of powdery
Property phenolic resin and roughing sand mechanical mixture, solidify during heating.After develop into thermoplastic phenolic resin plus latent curing agent（Crow
Lip river tropine）Precoated sand is configured to by certain coating technique with lubricant, sand grain surface is coated on when precoated sand is heated
Resin melting, in the presence of the methylene that methenamine is decomposited, the resin of melting is rapidly transformed into by linear structure not to be melted
The three-dimensional-structure melted, so that precoated sand curing molding.
Prior art precoated sand production technology, precoated sand raw material is delivered directly to mixer after heating stove heat,
In course of conveying, largely lost material temperature is uneven for the heat of raw material, causes precoated sand to produce fraction defective higher.Therefore need
A kind of production line that can make to keep constant temperature in precoated sand production process.
Utility model content
To solve above-mentioned problem, the purpose of this utility model is to provide a kind of constant temperature precoated sand production line.
To reach above-mentioned purpose, the technical solution of the utility model is：
A kind of constant temperature precoated sand production line, including screening plant, power set, heating furnace and mixer, it is characterised in that
Middle rotating bucket is provided between heating furnace and mixer, the middle middle side part of rotating bucket outer wall two is provided with central axis hole, and the central axis hole is with consolidating
Determine arm to be articulated and connected, the middle side lower part of rotating bucket outer wall two be provided with bottom outlet, the bottom outlet with perform arm be hinged, the fixed arm and
Perform arm to be connected with power set, heater is provided with the middle rotating bucket., will by fixed arm in precoated sand production process
Middle rotating bucket is transported to specified location, then by controlling to perform the unloading operation that arm carries out raw material.In course of conveying, filled by heating
Heating is put, precoated sand is kept constant temperature, so as to reduce the fraction defective in precoated sand production process.
As the further improvement of such scheme, the middle rotating bucket outer wall is provided with heat insulation layer.Heat insulation layer can effectively prevent heat
Amount is scattered and disappeared, and the temperature in holding in rotating bucket is constant, saves the energy.
As the further improvement of such scheme, the heat insulation layer includes asbestos layer and felt insulation.Asbestos and felt insulation, every
Hot property is outstanding, and moderate cost, with preferable practicality.
As the further improvement of such scheme, heat-transfer device, the heat-transfer device and heating are provided with the middle rotating bucket
Device is connected.Precoated sand is often quartz sand, and quartz sand belongs to non-conductive medium, by setting heat-transfer device so as to by electrothermal tube
The precoated sand that heat is rapid, Transmit evenly has after giving.
As the further improvement of such scheme, the heater is used to be cased with outside electric heater, the electric heater
Supervisor, the heat-transfer device is iron staff, and the iron staff is welded to connect with supervisor.
As the further improvement of such scheme, temperature measuring equipment is provided with the middle rotating bucket, the temperature measuring equipment is connected with temperature
Instrument is controlled, the temperature controller can start to heater.By Automated condtrol, artificial operating error is reduced, makes production temperature more
It is stable.
Compared with prior art, the beneficial effects of the utility model are：
Rotating bucket thermostatic control system during precoated sand production line is set up in the middle of heating furnace and puddle mixer, can effectively control production
Temperature, control product quality, make that the precoated sand product quality produced is more stable, qualification rate is increased substantially.
Brief description of the drawings
A kind of transfer bucket structure schematic diagram for constant temperature precoated sand production line that Fig. 1 is provided by the utility model embodiment.
A kind of internal structure of the middle rotating bucket for constant temperature precoated sand production line that Fig. 2 is provided by the utility model embodiment is shown
It is intended to.
Wherein：
1st, middle rotating bucket；2nd, fixed arm；3rd, arm is performed；4th, electric heater；5th, asbestos layer；6th, felt insulation；7th, iron staff；8th, thermometric
Device.
Embodiment
The specific effect of design, concrete structure and the generation created below with reference to embodiment and accompanying drawing to the utility model
Fruit is purged, complete description, sufficiently to understand purpose, feature and the effect of the utility model creation.The utility model
Every technical characteristic of creation, can be with combination of interactions in the premise of not conflicting conflict.
Referring to Fig. 1-2, a kind of constant temperature precoated sand production line, including screening plant, power set, heating furnace and mixer,
Characterized in that, being provided with middle rotating bucket 1 between heating furnace and mixer, the middle middle side part of 1 outer wall of rotating bucket two is provided with central axis hole, institute
State central axis hole to be articulated and connected with fixed arm 2, the middle side lower part of 1 outer wall of rotating bucket two is provided with bottom outlet, the bottom outlet is cut with scissors with performing arm 3
Connect, the fixed arm 2 is connected with performing arm 3 with power set, heater is provided with the middle rotating bucket 1.In precoated sand production
During, middle rotating bucket 1 is transported to specified location by fixed arm 2, then by controlling to perform the unloading behaviour that arm 3 carries out raw material
Make.In course of conveying, by heating devices heat, precoated sand is set to keep constant temperature.
As the further improvement of such scheme, the middle outer wall of rotating bucket 1 is provided with heat insulation layer.Heat insulation layer can effectively prevent heat
Amount is scattered and disappeared, and the temperature in holding in rotating bucket 1 is constant, saves the energy.
As the further improvement of such scheme, the heat insulation layer includes asbestos layer 5 and felt insulation 6.Asbestos and felt insulation
6, heat-proof quality is outstanding, and moderate cost, with preferable practicality.
As the further improvement of such scheme, heat-transfer device, the heat-transfer device and heating are provided with the middle rotating bucket 1
Device is connected.Precoated sand is often quartz sand, and quartz sand belongs to non-conductive medium, by setting heat-transfer device so as to by electrothermal tube
The precoated sand that heat is rapid, Transmit evenly has after giving.
As the further improvement of such scheme, the heater uses electric heater 4, the overcoat of electric heater 4
There is supervisor, the heat-transfer device is iron staff 7, and the iron staff 7 is welded to connect with supervisor.
As the further improvement of such scheme, temperature measuring equipment 8 is provided with the middle rotating bucket 1, the temperature measuring equipment 8 is connected with
Temperature controller, the temperature controller can start to heater.By Automated condtrol, artificial operating error is reduced, makes production temperature
It is more stable.
In order to examine influence of the utility model to quality stability, comparison production experiment has been carried out.One production line is not
With constant temperature precoated sand production line, another production line uses constant temperature precoated sand production line, does comparison production experiment in three days.Conclusion
It is：There is constant temperature precoated sand production line fraction defective to decline 5%, decline 1% from original fraction defective 6%, product quality is greatly promoted, product
Stability is also greatly improved.
It should be noted that above example is only unrestricted to illustrate the technical solution of the utility model.Although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to reality
Modified with new technical scheme or equivalent substitution, without departing from the scope of technical solutions of the utility model, it all should
Cover in right of the present utility model.
Claims (6)
1. a kind of constant temperature precoated sand production line, including screening plant, power set, heating furnace and mixer, it is characterised in that plus
Middle rotating bucket is provided between hot stove and mixer, the middle middle side part of rotating bucket outer wall two is provided with central axis hole, the central axis hole and fixation
Arm is articulated and connected, and the middle side lower part of rotating bucket outer wall two is provided with bottom outlet, and the bottom outlet is hinged with performing arm, and the fixed arm is with holding
Row arm is connected with power set, and heater is provided with the middle rotating bucket.
2. a kind of constant temperature precoated sand production line according to claim 1, it is characterised in that the middle rotating bucket outer wall is provided with exhausted
Thermosphere.
3. a kind of constant temperature precoated sand production line according to claim 2, it is characterised in that the heat insulation layer includes asbestos layer
With felt insulation.
4. a kind of constant temperature precoated sand production line according to claim 1, it is characterised in that heat conduction is provided with the middle rotating bucket
Device, the heat-transfer device is connected with heater.
5. a kind of constant temperature precoated sand production line according to claim 4, it is characterised in that the heater is added using electricity
Supervisor is cased with outside hot device, the electric heater, the heat-transfer device is iron staff, and the iron staff is welded to connect with supervisor.
6. a kind of constant temperature precoated sand production line according to claim 1, it is characterised in that thermometric is provided with the middle rotating bucket
Device, the temperature measuring equipment is connected with temperature controller, and the temperature controller can start to heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125108.2U CN206613984U (en) | 2017-02-10 | 2017-02-10 | A kind of constant temperature precoated sand production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720125108.2U CN206613984U (en) | 2017-02-10 | 2017-02-10 | A kind of constant temperature precoated sand production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206613984U true CN206613984U (en) | 2017-11-07 |
Family
ID=60230745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720125108.2U Expired - Fee Related CN206613984U (en) | 2017-02-10 | 2017-02-10 | A kind of constant temperature precoated sand production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206613984U (en) |
-
2017
- 2017-02-10 CN CN201720125108.2U patent/CN206613984U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205565553U (en) | Damaged prosthetic devices of set up cable insulating layer | |
| CN205073951U (en) | A equipment for production of emulsification modified asphalt | |
| KR101569118B1 (en) | Asphalt concrete manufacture equipment and method for repairing road or manhole | |
| CN206613984U (en) | A kind of constant temperature precoated sand production line | |
| CN107139476A (en) | A kind of photocuring 3D printer heats hopper | |
| JPH0716702A (en) | Production of mold for precision casting | |
| CN108555226A (en) | A kind of preparation method of the additive of water-soluble core | |
| CN102363525B (en) | Dry material heater | |
| CN103028335A (en) | Mixing and kneading device | |
| CN206911459U (en) | Rubber powder feeding pretreatment unit | |
| CN213645774U (en) | Constant temperature heat preservation roller mill | |
| CN206233063U (en) | A kind of SBS modified pitch microwave shearing development device | |
| CN208879679U (en) | The filling lead device of radioactive material container | |
| CN206824607U (en) | A kind of precoated sand produces automatic sediment transport line | |
| CN207059016U (en) | A kind of pipeline production polyethylene melts temperature regulating device | |
| CN208261790U (en) | The precoated sand preparation collaboration complete regenerative system of clay old sand | |
| CN207251940U (en) | Heating unit and sand preparing machine | |
| CN210877380U (en) | Tectorial membrane sand heating device | |
| CN206232793U (en) | A kind of fusible alloy fills retracting device | |
| CN206070302U (en) | Regeneration asphalt mixing station and its mix pot | |
| CN104057023A (en) | Real-time heating automatic-control device for sand core preparation die | |
| CN108311640A (en) | Precoated sand prepares the collaboration complete regenerative system of clay old sand | |
| CN211621147U (en) | Asphalt crack pouring machine capable of reducing heat energy waste | |
| CN211177761U (en) | Coal mill drying device | |
| CN107963878A (en) | The system and method for handling ferrochrome slag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 Termination date: 20190210 |