CN106001408B - Quantitative cloth sand device - Google Patents
Quantitative cloth sand device Download PDFInfo
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- CN106001408B CN106001408B CN201610560134.8A CN201610560134A CN106001408B CN 106001408 B CN106001408 B CN 106001408B CN 201610560134 A CN201610560134 A CN 201610560134A CN 106001408 B CN106001408 B CN 106001408B
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- hopper
- sand
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- small hopper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C5/00—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose
- B22C5/12—Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose for filling flasks
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Abstract
The invention belongs to overlay film sand casting field, there is provided a kind of quantitative cloth sand device that can implement quantitative cloth sand operation on punching block automatically.Small hopper is set at the lower end sand export of big hopper, small hopper is connected with drive mechanism, mobile position-limit mechanism, small hopper upper end has material receiving port, lower end to have discharging opening, the sand using amount of the volume of small hopper and overlay film sand mold to be formed is coincide, and precoated sand raw material is laid on to the pattern for being molded overlay film sand mold in small hopper traveling process.Sanding efficiency is so improved, reduces the possibility of human contact's precoated sand, the labor intensity of worker is reduced, reduces healthhazard.Invention is equally applicable for cast steel, the planar shaping of ironcasting overlay film sand mold.
Description
Technical field
The invention belongs to overlay film sand casting field, and in particular to a kind of automated machine for overlay film sand mold is molded skill
Art.Adapt to precoated sand cast iron and steel planar design.
Background technology
At present, it is traditionally used for casting the overlay film sand molding of the small pieces such as microballoon production, mainly using artificial filling moulding
Mode；Which need to make for the overlay film sand mold (namely core) as product die cavity first, in tabular structure opposed up and down
To make and one lateral plates are gathered semicircular cavities a, the upper and lower plates matched moulds of overlay film sand mold is enclosed into multiple spherical die cavities, and half and half
The connection mutual molten steel runner c for being used to connect main running channel b is set between circular cavity a, as Figure 1-3, closed again afterwards
Overlay film sand mold single group after mould is embedded in common external form sand；Main running channel b is entered by molten steel during cast, then successively via steel flow
Road c is flowed into each spherical die cavity, and its common external form sand then mutually should ensure that the auxiliary sizing cast and insulation operation for its core,
The final insulation styling husky using the high accuracy of core die cavity itself and common external form, so as to reach its high quality of finished
Demand.
Precoated sand includes the roughing sand for forming precoated sand main body, and auxiliary material uses thermoplastic phenolic resinoid as binding agent, and
Coordinate and add the additives such as appropriate curing agent, lubricant.The main function of additive is the performance for improving precoated sand.It is wide at present
The general additive used mainly has high temperature resistant additive, easily defeated and dispersed additive, activeness and quietness additive, anti-stick sand additive and wet
State additive etc..
Prepare in overlay film sand mold process, operated in the prior art using artificial cloth sand, i.e., operator is contained with baler and covered
Film sandy plain material, down on master mold (steel die for preparing overlay film sand mold) plate, bricklayer is similar to scraper will using trowel
On punching block, overlay film sand mold is removed again after being heating and curing.Using manual operation, there is following technological deficiency：Cloth sand, floating process
In, sand amount is difficult to control, and while floating, raw sand operating of contacts worker's body is also inevitably now had into one
It is scattered to fall on the ground, not only added workload but also caused the waste of raw sand, due to may be mixed into during recovery its quality of impurity without
Method ensures；When being heating and curing, personnel need to stand at working position, and the flue gas that auxiliary material is thermally generated directly injures worker；It is solidified into
Overlay film sand mold is removed after type, easily scalds worker, and is contacted with high temperature overlay film sand mold, has a strong impact on worker's skin health, gently then
It is allergic, it is heavy then cause skin disease not work on；In cloth sand, floating process, the outer surface of overlay film sand mold is difficult to protect
Demonstrate,prove smooth, surface warp phenomenon usually occur, it is existing to occur the fracture of overlay film sand mould plate face when clamping is stacked with other overlay film sand molds
As, and whether ftractureed in the middle part of plate face, it can not observe from outside edge, could be found until pouring and outpouring waste product.
The content of the invention
It is an object of the invention to provide a kind of quantitative cloth sand device, can implement quantitative cloth sand operation on punching block automatically.
To achieve the above object, present invention employs following technical scheme, a kind of quantitative cloth sand device, it is characterised in that：
Small hopper is set at the lower end sand export of big hopper, and small hopper is connected with drive mechanism, mobile position-limit mechanism, and small hopper upper end has
Material receiving port, lower end have discharging opening, and the sand using amount of the volume of small hopper and overlay film sand mold to be formed coincide, in small hopper traveling process
Precoated sand raw material is laid on the pattern for being molded overlay film sand mold.
In above-mentioned technical proposal, small hopper is used for quantitatively receiving the precoated sand raw material that big hopper is put down, the quantitative overlay film
Sand ensures the sand using amount for meeting an overlay film sand mold, can thus greatly reduce the knockout of ground, be lightened the burden to recovery operation, this
Sample is just without manually with one spoonful of cloth of instrument one spoonful of baler etc, not only increasing sanding efficiency, the personnel of also reducing connect
The possibility of precoated sand is touched, the labor intensity of worker is improved, reduces health hazard.This quantitative cloth sand device is applied not only to microballoon
Etc. the overlay film sand molding of small castings production, the overlay film sand molding of cast iron, steel-casting is equally applicable for.
Brief description of the drawings
Fig. 1 is the front cavity structure schematic diagram of the overlay film sand mold upper plate of the present invention；
Fig. 2 is Fig. 1 I parts partial enlarged drawing；
Fig. 3 is the opposed closed state schematic diagram of the overlay film sand mold of the present invention；
Fig. 4,5 are structural representations of the invention；
Fig. 6 is the A direction views in Fig. 5.
Embodiment
With reference to Fig. 4-6, quantitative cloth sand device includes big hopper 10, and small hopper is set at the lower end sand export of big hopper 10
40, small hopper 40 is connected with drive mechanism, mobile position-limit mechanism, and the small upper end of hopper 40 has material receiving port 41, lower end to have discharging opening 42,
The sand using amount of the volume of small hopper 40 and overlay film sand mold to be formed coincide, and lays precoated sand raw material in the small traveling process of hopper 40
In the pattern for being molded overlay film sand mold., can be by the appearance of small hopper 40 in order to meet the sand using amount of overlay film sand mold to be formed
Product is designed to the volume capacity being consistent with sand using amount.The just enough overlay film sand mold cell boards to be formed of the sand amount so contained every time
Requirement, is not in thus the raw sand that excessive needs strike off, and recovery operation also mitigates.
Big hopper hush panel 20, the upper end material receiving port of described small hopper 40 are provided with the lower end sand export of big hopper 10
41 big hopper hush panels 20 when being alignd with the lower end sand export of big hopper 10 and the lower end sand export of big hopper 10 misplace, described
The lower end sand export of the upper end material receiving port 41 of small hopper 40 and big hopper 10 away from when big hopper hush panel 20 and big hopper 10
Lower end sand export alignment closure knockout.
Horizontal mobile mechanism includes back-moving spring 31, the big hopper hush panel 20 under the elastic force effect that back-moving spring 31 provides
Front side edge along with the lateral port for connecing sand mouth 41 of the small upper end of hopper 40 along snug fit.
Above-mentioned big hopper 10, small hopper 40, which cooperate, realizes autofeed, i.e., drive mechanism drives the small upper end of hopper 40
Material receiving port 41 be moved to the access knockout opening position alignd with the lower end sand export of big hopper 10, now, the quilt of back-moving spring 31
Compression, big hopper hush panel 20 are pushed through at the lower end sand export staggered positions with big hopper 10 by small hopper 40, now, aniseed
Raw material precoated sand will be fallen into small hopper 40 in bucket 10, and small hopper 40 is with big hopper 10 to dock shape, and raw material covers in small hopper 40
Film sand fills up, as shown in Figure 5；Drive mechanism drive small hopper 40 to the place side of master mold 1 move when, small hopper 40 and big hopper 10
Docking port coincidence part gradually decrease, during this, back-moving spring 31 promotes the front side edge of big hopper hush panel 20 along being close to
Small hopper 40 extends at the lower end sand export of big hopper 10, along with dividing completely for small hopper 40 and the docking port of big hopper 10
From as shown in figure 4, the lower end sand export of big hopper 10 is blocked and avoids continuing blanking, small hopper by big hopper hush panel 20 completely
40 spread cloth precoated sand to master mold 1.Completed during this splicing of small hopper 40, turn avoid precoated sand to fall leakage existing
As shedding phenomenon without any.
The front side edge edge of big hopper hush panel 20 extends downward with baffle plate 21, front side plate face and the small hopper of baffle plate 21
40 rear side plate face parallel arrangement, the rear side plate face of baffle plate 21 are connected with one end of spacing guide rod 32, the shaft of spacing guide rod 32
Limition orientation rectilinear movement is formed with guide rail 33 to coordinate, back-moving spring 31 is set in the rear side positioned at baffle plate 21 of spacing guide rod 32
On shaft between plate face and guide rail 33.The front side plate face of the baffle plate 21 and rear side plate face of small hopper 40 is arranged parallel to each other and plate face
Positioned at vertical, suitable thrust can be provided while avoid the phenomenon of being scattered of raw material precoated sand.
The lower end discharging opening 42 of small hopper 40 is strip shape gob, and its length direction is vertical with the direct of travel of small hopper 40, such as
Fig. 4, shown in 5, the length direction of the lower end discharging opening 42 of small hopper 40 is vertical with paper, at the lower end discharging opening 42 of small hopper 40
Turnover plate type hush panel 43 is hinged with, the shaft core direction of jointed shaft is vertical with the direct of travel of small hopper 40 and under small hopper 40
At the rear lateral edge for bringing out material mouth 42.
The lower end discharging opening 42 of small hopper 40 is designed to strip shape gob, it is ensured that raw sand uniformly spreads cloth to master mold 1,
The phenomenon that local knockout is more, remaining position knockout is few is avoided the occurrence of, the length and the width of master mold 1 of strip shape gob are coincide.It is small
It is exactly to be brought out when being required to ensure splicing under small hopper 40 that the lower end discharging opening 42 of hopper 40, which sets turnover plate type hush panel 43,
Material mouth 42 is enclosed, and bringing out material mouth 42 at present to the stone of master mold 1 can reliably open in time.
Limiting block 50 is set below the lower end sand export of big hopper 10, there are material receiving port and big hopper 10 in the upper end of small hopper 40
The docking of lower end sand export when, the outer bottom that limiting block 50 supports turnover plate type hush panel 43 drives it small around jointed shaft upset closing
There is discharging opening 42 lower end of hopper 40.As shown in Figure 4,5, 6, limiting block 50 can be a stripe board, have suitable support
Intensity, it to the upper end of small hopper 40 there is the material receiving port to be docked with the lower end sand export of big hopper 10 when position when small hopper 40
Extend at lower end discharging opening 42, and just turnover plate type hush panel 43 is supported to arrive in and turns to the position for sealing lower end discharging opening 42
Place.
Claims (3)
- A kind of 1. quantitative cloth sand device, it is characterised in that：Small hopper (40), small powder are set at the lower end sand export of big hopper (10) Bucket (40) is connected with drive mechanism, mobile position-limit mechanism, and small hopper (40) upper end has material receiving port (41), lower end to have discharging opening (42), the sand using amount of the volume and overlay film sand mold to be formed of small hopper (40) coincide, by overlay film in small hopper (40) traveling process Sandy plain material is laid on the pattern for being molded overlay film sand mold；Big hopper hush panel (20), the upper end splicing of described small hopper (40) are provided with the lower end sand export of big hopper (10) Big hopper hush panel (20) and the lower end sand export of big hopper (10) when mouth (41) aligns with the lower end sand export of big hopper (10) Dislocation, the upper end material receiving port (41) of described small hopper (40) and the lower end sand export of big hopper (10) away from when big hopper seal Plate (20) aligns with the lower end sand export of big hopper (10) blocks knockout.
- 2. quantitative cloth sand device according to claim 1, it is characterised in that：The lower end discharging opening (42) of small hopper (40) For strip shape gob, its length direction is vertical with the direct of travel of small hopper (40), and small hopper (40) lower end discharging opening (42) place is hinged There is turnover plate type hush panel (43), the shaft core direction of jointed shaft is vertical with the direct of travel of small hopper (40) and is located at small hopper (40) At the rear lateral edge of lower end discharging opening (42).
- 3. quantitative cloth sand device according to claim 2, it is characterised in that：Set below the lower end sand export of big hopper (10) Put limiting block (50), it is spacing when the upper end of small hopper (40) has the material receiving port (41) to be docked with the lower end sand export of big hopper (10) The outer bottom that gear (50) supports turnover plate type hush panel (43) drives it to close the lower end discharging of small hopper (40) around jointed shaft upset Mouth (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560134.8A CN106001408B (en) | 2016-07-15 | 2016-07-15 | Quantitative cloth sand device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610560134.8A CN106001408B (en) | 2016-07-15 | 2016-07-15 | Quantitative cloth sand device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106001408A CN106001408A (en) | 2016-10-12 |
| CN106001408B true CN106001408B (en) | 2018-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610560134.8A Active CN106001408B (en) | 2016-07-15 | 2016-07-15 | Quantitative cloth sand device |
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| CN (1) | CN106001408B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456182A (en) * | 2020-12-07 | 2021-03-09 | 毕节市生产力促进中心 | Pinellia ternata cooling device based on automatic material distribution mechanism |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3010694A1 (en) * | 1979-03-26 | 1980-10-02 | Acme Cleveland Corp | MOLDING MACHINE |
| CN2832353Y (en) * | 2005-04-30 | 2006-11-01 | 任玉宝 | Four-position quantitative sand-injection sand hopper |
| CN202239495U (en) * | 2011-09-19 | 2012-05-30 | 滁州金诺实业有限公司 | Pre-filling sand quantifying device for lost foam casting |
| CN103252458B (en) * | 2012-05-30 | 2015-05-13 | 佛山市峰华卓立制造技术有限公司 | Automatic non-die sand mold manufacturing system |
| CN202655550U (en) * | 2012-07-05 | 2013-01-09 | 芜湖市华鑫精密铸件有限公司 | Quantitative sand conveying mechanism for casting |
| CN202701306U (en) * | 2012-08-31 | 2013-01-30 | 芜湖中能机械制造有限公司 | Rain type sand adder |
| CN203565764U (en) * | 2013-11-09 | 2014-04-30 | 无锡市康晖机械制造有限公司 | Crude sand quantifying machine |
| CN104399906B (en) * | 2014-12-18 | 2017-04-12 | 苏州明志科技有限公司 | Quantitative sand adding mechanism and quantitative sand adding method of core shooter |
| CN205110676U (en) * | 2015-12-02 | 2016-03-30 | 重庆长江造型材料金坛有限公司 | Automatic auxiliary material system is added to batching |
| CN205763631U (en) * | 2016-07-15 | 2016-12-07 | 黄山中发耐磨材料有限公司 | Quantitatively cloth sand device |
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2016
- 2016-07-15 CN CN201610560134.8A patent/CN106001408B/en active Active
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| CN106001408A (en) | 2016-10-12 |
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Address after: 245700 Mount Huangshan Industrial Park in Huangshan City, Anhui Patentee after: Huangshan Zhongfa wear resistant material technology Co.,Ltd. Address before: 245700 Huangshan Industrial Park, Huangshan City, Anhui Province Patentee before: HUANGSHAN ZHONGFA WEAR RESISTANT MATERIAL CO.,LTD. |