CN219703423U - Sand box special for furnace mouth lining plate - Google Patents
Sand box special for furnace mouth lining plate Download PDFInfo
- Publication number
- CN219703423U CN219703423U CN202320536643.2U CN202320536643U CN219703423U CN 219703423 U CN219703423 U CN 219703423U CN 202320536643 U CN202320536643 U CN 202320536643U CN 219703423 U CN219703423 U CN 219703423U
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- Prior art keywords
- sand
- flask
- sand box
- box body
- box
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- 244000035744 Hura crepitans Species 0.000 title claims abstract description 31
- 238000005266 casting Methods 0.000 claims abstract description 39
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 17
- 229920005989 resin Polymers 0.000 abstract description 15
- 239000011347 resin Substances 0.000 abstract description 15
- 239000004576 sand Substances 0.000 abstract description 13
- 230000007547 defect Effects 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052742 iron Inorganic materials 0.000 abstract description 5
- 239000006004 Quartz sand Substances 0.000 abstract description 4
- 238000007528 sand casting Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000007728 cost analysis Methods 0.000 description 1
- 239000003110 molding sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
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- Casting Devices For Molds (AREA)
Abstract
The utility model discloses a special sand box for a furnace mouth lining plate, which comprises a sand box body, wherein the sand box body consists of an upper sand box, a lower sand box and a false tire, the lower sand box is arranged below the upper sand box, the false tire is arranged inside the lower sand box, the upper sand box consists of an upper box body, a baffle plate and an upper hanging shaft, the baffle plate is arranged inside the upper box body, an upper hanging shaft is arranged on the outer side of the upper box body, and the lower sand box consists of a lower box body and a lower hanging shaft. After the utility model is put into use, taking resin sand casting as an example, the usage amount of quartz sand used for each ton of castings is reduced by 35 percent, and the sand-iron ratio is reduced to 5.63:1, the consumption of resin sand is reduced by 30%, the use of curing agent is reduced by 32%, the reduced cost is saved by 1013 yuan/ton, and the labor efficiency is improved by more than 40%. The mechanical properties of the castings are not reduced, and the surface defects, especially the air hole defects, are basically eliminated.
Description
Technical Field
The utility model relates to the technical field of sand mold integrated casting, in particular to a special sand box for a furnace mouth lining plate.
Background
The furnace mouth lining plate is used for protecting the furnace mouth of the smelting furnace from corrosion and damage, the main performance requires that the surface of the casting must be smooth, flaws such as cracks, air holes, inclusions and the like which affect the strength cannot be produced, the contact surfaces of the casting and the furnace mouth should be mutually attached and smooth, the casting has certain strength and impact resistance, and the casting needs annealing treatment.
The prior art has the following problems:
the casting belongs to a semi-hollow cavity structure, the weight of the casting is about 1 ton, the size is larger, in the actual production of the company, a resin sand process is adopted, the total amount of quartz sand used is 12.5 tons, and the sand-iron ratio is nearly 9.3:1, the usage amount of alkaline phenolic resin adopted in molding is 275Kg, the usage amount of curing agent is 80Kg, and the manufacturing cost is high, wherein the effective utilization rate of the resin self-hardening sand mold is low, and the loss is large.
According to actual production cost analysis, the production cost of the furnace mouth lining plate is found to be in high-position operation for a long time, and mainly has the following reasons, on one hand, the production cost is limited by casting production equipment, and the casting production sand-iron ratio (S/M) (the ratio of the total mass (S) of molding sand in the same casting mould to the casting weight (M)) is larger; in addition, the prices of the alkaline phenolic resin and the matched curing agent used at present are increased year by year, so that the modeling cost of the type of castings is increased year by year; on the other hand, the casting yield is low (the weight of the casting body is lower than that of a casting head system) due to the restriction of the resin sand integrated casting process; moreover, the casting of the type is limited by the curing time of the resin sand according to the current production process mode, the production efficiency is low, and the production period of the casting is long.
For this reason, we propose a special sand box for a furnace mouth lining plate to solve the above-mentioned disadvantages.
Disclosure of Invention
The utility model aims to solve the defects of high manufacturing cost, low effective utilization rate of a resin self-hardening sand mold and high loss existing in the prior art, and provides a special sand box for a furnace mouth lining plate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a special sand box of fire door welt, includes the sand box body, the sand box body comprises cope flask, drag flask and false tire, the below of cope flask is provided with the drag flask, the inside of drag flask is provided with the false tire, the cope flask comprises last box, baffle and last hanging scroll, the baffle sets up the inside at last box, the outside of going up the box is provided with the hanging scroll, the drag flask comprises lower box and hanging scroll down, the outside of lower box is provided with hanging scroll down.
Preferably, the total size of the flask body is 3600mm x 1700mm x 1300mm.
Preferably, the upper case is a case formed by integral casting.
Preferably, the lower case is a case formed by integral casting.
Preferably, the upper surface of the upper box body is provided with a casting head and a vent hole.
Compared with the prior art, the utility model has the beneficial effects that;
(1) After the utility model is put into use, taking resin sand casting as an example, the usage amount of quartz sand used for each ton of castings is reduced by 35 percent, and the sand-iron ratio is reduced to 5.63:1, the consumption of resin sand is reduced by 30%, the use of curing agent is reduced by 32%, the reduced cost is saved by 1013 yuan/ton, and the labor efficiency is improved by more than 40%. The mechanical properties of the castings are not reduced, and the surface defects, especially the air hole defects, are basically eliminated.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments will be briefly described below.
FIG. 1 is a schematic diagram of a special sand box for a furnace mouth lining plate;
FIG. 2 is a schematic diagram showing the internal structure of a cope flask for a special flask for a furnace mouth lining plate according to the present utility model;
FIG. 3 is a schematic diagram of a front cross-sectional structure of a cope flask of the utility model for a furnace mouth lining plate special flask;
FIG. 4 is a schematic view showing the internal structure of a drag flask for a special flask for a furnace mouth lining plate according to the present utility model;
FIG. 5 is a schematic side view of a drag flask of the present utility model.
Legend description:
1. a sand box body; 2. a cope flask; 3. a drag flask; 4. an upper case; 5. a baffle; 6. a hanging shaft is arranged; 7. a lower box body; 8. a lower hanging shaft; 9. false tyre; 10. casting head; 11. and a vent hole.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.
Referring to fig. 1-5, a special sand box for a furnace mouth lining plate comprises a sand box body 1, wherein the sand box body 1 is composed of a cope flask 2, a drag flask 3 and a false tire 9, the drag flask 3 is arranged below the cope flask 2, the false tire 9 is arranged inside the drag flask 3, the cope flask 2 is composed of an upper box body 4, a baffle plate 5 and an upper hanging shaft 6, the baffle plate 5 is arranged inside the upper box body 4, an upper hanging shaft 6 is arranged on the outer side of the upper box body 4, the drag flask 3 is composed of a drag box body 7 and a drag hanging shaft 8, the lower hanging shaft 8 is arranged on the outer side of the drag box body 7, and the total size of the sand box body 1 is 360 mm x 1700 mm.
In this embodiment: after the design is put into operation, taking resin sand casting as an example, the usage amount of quartz sand used for each ton of castings is reduced by 35%, and the sand-iron ratio is reduced to 5.63:1, the consumption of resin sand is reduced by 30%, the use of curing agent is reduced by 32%, the reduced cost is saved by 1013 yuan/ton, and the labor efficiency is improved by more than 40%. The mechanical properties of the castings are not reduced, and the surface defects, especially the air hole defects, are basically eliminated.
Specifically, the upper case 4 is a case formed by integral casting, and the lower case 7 is a case formed by integral casting.
In this embodiment: the sealing performance is strong, and materials are not easy to leak.
Specifically, the upper surface of the upper case 4 is provided with a casting head 10 and a vent hole 11.
In this embodiment: by arranging the casting head 10 and the vent holes 11, materials are convenient to be added into the sand box body 1.
Working principle: taking phenolphthalein resin sand casting as an example:
placing the manufactured casting model on a molding platform, lifting a cope flask 2 to cover the casting model, filling self-hardening resin sand, setting a casting head 10 and a vent hole 11, reversing the flask after the sand mold is solidified, taking out the casting model, trimming a resin sand molding upper cavity and brushing paint. And lifting the drag flask 3 and the false tyre 9, uniformly covering the false tyre 9 and the joint of the false tyre 9 and the flask with resin sand with a certain thickness, and brushing paint. And (5) carrying out mold closing after the paint is dried.
It is to be understood that the above-described embodiments of the present utility model are merely illustrative of or explanation of the principles of the present utility model and are in no way limiting of the utility model. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present utility model should be included in the scope of the present utility model. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (5)
1. The utility model provides a special sand box of fire door welt, includes sand box body (1), its characterized in that, sand box body (1) comprises cope flask (2), drag flask (3) and false tire (9), the below of cope flask (2) is provided with drag flask (3), the inside of drag flask (3) is provided with false tire (9), cope flask (2) comprises last box (4), baffle (5) and last hanging scroll (6), baffle (5) set up the inside at last box (4), the outside of last box (4) is provided with hanging scroll (6), drag flask (3) are by lower box (7) and hanging scroll (8) constitution down, the outside of lower box (7) is provided with hanging scroll (8).
2. The special furnace mouth lining plate sand box according to claim 1, wherein the overall size of the sand box body (1) is 3600mm x 1700mm x 1300mm.
3. A furnace mouth lining dedicated flask according to claim 1, characterized in that the upper flask (4) is a flask made by integral casting.
4. A furnace mouth lining dedicated flask according to claim 1, characterized in that the lower flask (7) is a flask made by integral casting.
5. The special sand box for the furnace mouth lining plate according to claim 1, wherein a casting head (10) and a vent hole (11) are formed on the upper surface of the upper box body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320536643.2U CN219703423U (en) | 2023-03-20 | 2023-03-20 | Sand box special for furnace mouth lining plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320536643.2U CN219703423U (en) | 2023-03-20 | 2023-03-20 | Sand box special for furnace mouth lining plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219703423U true CN219703423U (en) | 2023-09-19 |
Family
ID=87979831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320536643.2U Active CN219703423U (en) | 2023-03-20 | 2023-03-20 | Sand box special for furnace mouth lining plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219703423U (en) |
-
2023
- 2023-03-20 CN CN202320536643.2U patent/CN219703423U/en active Active
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| GR01 | Patent grant |