CN214684172U - Reduce wind-powered electricity generation base class foundry goods shaping of weight quantity and use cope flask - Google Patents
Reduce wind-powered electricity generation base class foundry goods shaping of weight quantity and use cope flask Download PDFInfo
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- CN214684172U CN214684172U CN202023049479.8U CN202023049479U CN214684172U CN 214684172 U CN214684172 U CN 214684172U CN 202023049479 U CN202023049479 U CN 202023049479U CN 214684172 U CN214684172 U CN 214684172U
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Abstract
A cope box for forming wind power base castings, which reduces the using amount of weight iron, comprises an outer frame, wherein a plurality of transverse rib plates and a plurality of longitudinal rib plates are connected in the outer frame; the transverse rib plates are parallel to each other and have the same interval, and the longitudinal rib plates are parallel to each other and have the same interval; the transverse rib plates and the longitudinal rib plates are crossed to form a plurality of lattices; the top edges of all the lattices are coplanar with the top surface of the cope flask, and the bottom edges of all the lattices are coplanar with the bottom surface of the cope flask; the bottom surface of the upper sand box is connected with a sand-saving structure which protrudes downwards; the sand-saving structure is composed of a plurality of rib plates which extend downwards along the transverse and longitudinal rib plates at the positions; the bottom surface of the grid at the position of the sand-saving structure is communicated and used as a sand discharging channel of the molding sand; the bottom surface of the grid at the position of the non-sand-saving structure is closed. The sand box structure can meet the aim of reducing or even not using a weight iron process, and can meet the requirements of energy conservation and consumption reduction by reducing the consumption of molding sand.
Description
Technical Field
The utility model relates to the field of machine manufacturing, specifically a non-pressure iron becomes moulding sand box device for wind-powered electricity generation base class foundry goods.
Background
In the casting field, the price of the raw materials floats greatly, the rising of the price leads to the increase of the production cost, the requirement on the product quality is higher and higher, the market competition is fierce, enterprises face the product price competition, the profit is greatly reduced, and the enterprise operation is difficult.
The administrative strength of safety departments on the safety production of enterprises is getting tighter and tighter, the safety production is the guarantee of smooth operation of the enterprises, and the safety production of the enterprises can be guaranteed only by the designed safety production tools.
Wind power castings are developed towards large volume and light weight, and the requirements for cost reduction and efficiency improvement are not easily met by adopting a conventional sand box. Generally, the common sand box increases the sand-eating quantity by a certain amount from the maximum size of the outer surface of the mould, and the moulds with the same frame size can be mutually used.
The common sand box is matched with various molds, so that the internal space of the common sand box is large, the structure of the sand box is simple, the upward buoyancy of molten iron during pouring needs to be balanced/offset by the weight of the weight iron, and the weight of the common weight iron is 10-20T. The use of the weight is not only a waste of resources, but also increases the safety risk. The common sand box increases the cost of raw materials, and has long labor time and low production efficiency in the manufacturing process. Especially for castings of base products in wind power products, the traditional sand box can generate great waste.
Disclosure of Invention
The main purpose of the technical scheme is to reduce or even eliminate the use of the weights in the pouring process of the wind power base castings, and the technical scheme is a novel sand box design which distributes/offsets the buoyancy of molten iron in the pouring process through the structure of the sand box and reduces or does not use the weights. Specifically, the method comprises the following steps:
a cope box for forming wind power base castings capable of reducing the using amount of weights comprises an outer frame. A plurality of transverse rib plates and a plurality of longitudinal rib plates are connected in the outer frame;
the transverse rib plates are parallel to each other and have the same interval, and the longitudinal rib plates are parallel to each other and have the same interval; the transverse rib plates and the longitudinal rib plates are crossed to form a plurality of lattices; the top edges of all the lattices are coplanar with the top surface of the cope flask, and the bottom edges of all the lattices are coplanar with the bottom surface of the cope flask;
the bottom surface of the upper sand box is connected with a sand-saving structure which protrudes downwards; the sand-saving structure is composed of a plurality of rib plates which extend downwards along the transverse and longitudinal rib plates at the positions; the bottom surface of the grid at the position of the sand-saving structure is communicated and used as a sand discharging channel of the molding sand; the bottom surface of the grid at the position of the non-sand-saving structure is closed.
The connection structure of the rib plate, the transverse rib plate and the longitudinal rib plate of the sand-saving structure is as follows: the top edge of the rib plate of the sand-saving structure is provided with a groove, the bottom edge of the corresponding transverse rib plate or longitudinal rib plate is provided with a groove, the rib plate of the sand-saving structure and the grooves of the transverse rib plate or longitudinal rib plate are mutually clamped, and the connecting positions are welded in a full-welding manner;
the cross connection structure of the transverse rib plate and the longitudinal rib plate is as follows: the top edge of the transverse rib plate is provided with a groove, the bottom edge of the longitudinal rib plate is provided with a groove, the two grooves are correspondingly clamped, and the connecting position is welded by full welding;
the cross connection structure of two perpendicular gusset of economize sand structure does: the top edge of one rib plate is provided with a groove, the bottom edge of the other rib plate is provided with a groove, the two grooves are correspondingly clamped, and the connecting position is welded in a full welding mode.
The top edges of the transverse rib plates and the longitudinal rib plates are connected with horizontal edges, and the longitudinal sections of the transverse rib plates and the longitudinal rib plates are T-shaped.
The inner wall of the lattice is connected with radiating ribs, and the side wall of the rib plate of the sand-saving structure is connected with the radiating ribs.
The outer frame is also connected with a lifting lug.
The outer frame is formed by welding a plurality of vertical parallel square steel pipes and steel plates; the edge position of the outer frame is connected with a flange edge, and the flange edge is provided with a through hole.
The use and principle of the technical scheme are as follows:
in the design process of the cope flask, the main bearing position of the sand mold is emphatically considered, and in the pouring process of the cope flask, the buoyancy of the molten iron is uniformly transmitted to each part of the cope flask through the dispersion of the rib plates after being transmitted to the cope flask by the sand mold, so that the whole cope flask is uniformly stressed, and the condition that the ordinary sand flask resists local stress by using the weight is changed. The resin sand consumption can be reduced through the sand-saving structure, the production cost is reduced, and the production safety is improved.
The cope box is particularly applied to casting and molding, is matched with the drag box, and is suitable for safely hoisting and accelerating the cooling of castings.
The casting and molding process by using the sand box comprises the following steps: in the molding process of the sand box, the resin sand is only put in the sand-saving structure part of the molding sand box, and the sand mould trimming operation is carried out according to the position of the T-shaped rib.
The technical scheme is that the cope flask is manufactured according to the shape of the product mold, so that the use of resin sand can be saved. Because the thickness of the sand layer is reduced, the heat conduction efficiency of the cast after pouring is improved, and the cooling time of the cast in the cavity can be shortened.
The advantages and beneficial effects are that:
1. the technical scheme can reduce the consumption of the compacted iron, even realize a non-compacted iron pouring process, and reduce the risk in the process of transporting the compacted iron.
2. This technical scheme can realize saving raw and other materials function and make and hang heavy lightweight and reduce the handling risk.
3. This technical scheme reduces the sand bed thickness of reducing the molding sand, can realize reducing current cost, realizes increasing benefit.
4. This technical scheme can reduce intensity of labour through reducing the time of going down sand (reducing with the sand volume), promotes production efficiency.
5. The technical scheme has the advantages of simple structure and convenient operation.
6. This technical scheme is owing to reduced sand bed thickness, the effectual speed that improves heat-conduction to because of the main part is made for hollow square steel pipe, also can accelerate the cooling of foundry goods when ventilating in the outside.
Drawings
FIG. 1 is a schematic view (bottom) of the cope flask of this example;
FIG. 2 is a schematic view (top) of the cope flask of this example;
FIG. 3 is a schematic cross-sectional view of the cope flask of this example;
FIG. 4 is a schematic view of a rib splicing structure;
in the figure: the structure comprises an outer frame 1, a transverse rib plate 2, a longitudinal rib plate 3, a sand-saving structure 4, a groove 5, a heat dissipation rib 6, a lifting lug 7, a square steel pipe 8, a flange edge 9 and a rib plate 10 of the sand-saving structure.
Detailed Description
The present invention is further described with reference to the following detailed description and accompanying drawings:
referring to fig. 1-4, a cope box for molding wind power base castings, which reduces the amount of weight, comprises an outer frame 1. A plurality of transverse rib plates 2 and a plurality of longitudinal rib plates 3 are connected in the outer frame 1;
the transverse rib plates 2 are parallel to each other and have the same interval, and the longitudinal rib plates 3 are parallel to each other and have the same interval; the transverse rib plates 2 and the longitudinal rib plates 3 are crossed to form a plurality of lattices; the top edges of all the lattices are coplanar with the top surface of the cope flask, and the bottom edges of all the lattices are coplanar with the bottom surface of the cope flask;
the bottom surface of the cope box is connected with a sand-saving structure 4 which protrudes downwards; the sand-saving structure 4 is composed of a plurality of rib plates which extend downwards along the transverse and longitudinal rib plates 3 at the positions; the bottom surface of the grid at the position of the sand-saving structure 4 is communicated and is used as a sand discharging channel of the molding sand; the bottom surface of the grid at the position of the non-sand-saving structure is closed.
The connection structure of the rib plate 10, the transverse rib plate 2 and the longitudinal rib plate 3 of the sand-saving structure is as follows: the top edge of the rib plate 10 of the sand-saving structure is provided with a groove 5, the bottom edge of the corresponding transverse rib plate 2 or longitudinal rib plate 3 is provided with a groove 5, the rib plate 10 of the sand-saving structure and the groove 5 of the transverse rib plate 2 or longitudinal rib plate 3 are mutually clamped, and the connecting positions are welded in a full welding way;
the cross connection structure of the transverse rib plate 2 and the longitudinal rib plate 3 is as follows: the top edge of the transverse rib plate 2 is provided with a groove 5, the bottom edge of the longitudinal rib plate 3 is provided with a groove 5, the two grooves 5 are correspondingly clamped, and the connecting position is welded in a full welding way;
the cross connection structure of two vertical rib plates of the sand-saving structure 4 is as follows: the top edge of one rib plate is provided with a groove 5, the bottom edge of the other rib plate is provided with a groove 5, the two grooves 5 are correspondingly clamped, and the connecting position is welded in a full welding mode.
The top edges of the transverse rib plates 2 and the longitudinal rib plates 3 are connected with horizontal edges, and the longitudinal sections of the transverse rib plates 2 and the longitudinal rib plates 3 are T-shaped.
The inner wall of the lattice is connected with radiating ribs 6, and the side wall of the rib plate 10 of the sand-saving structure is connected with the radiating ribs 6.
The outer frame 1 is also connected with a lifting lug 7.
The outer frame 1 is formed by welding a plurality of vertical parallel square steel pipes 8 and steel plates; the edge position of the outer frame 1 is connected with a flange edge 9, and the flange edge 9 is provided with a through hole.
In fig. 1, the raised portion on the bottom surface of the cope flask is a sand-saving structure for saving sand, which corresponds to the cavity structure made by the mold and is designed according to the mold. After the cope flask is matched with the common drag flask, the sand-saving structure and the mould keep the distance of 50-80 mm, the requirement of the cavity on the thickness of the molding sand is met, and the using amount of the molding sand is reduced. When the sand-saving structure is realized, a plurality of rib plates (steel plates) are matched with rib plates (steel plates) with different heights according to the height of the die.
For strengthening this province sand structural strength, take two modes to strengthen:
1. the space between the sand saving structure and the outer frame of the sand box is reinforced by a transverse/longitudinal rib plate.
2. In the interconnected rib plates with the sand-saving structure, the connecting position adopts a clamping groove type splicing structure to connect and fully weld the two plates besides a full-welding mode (as shown in figure 4).
In this example, the rib plates are also fully distributed with heat dissipation ribs to accelerate the cooling speed of the casting.
The cope box can be used for casting and molding wind power base castings, and can be matched with a common drag box for use. This cope box reduces the weight quantity through self structure, does not use the weight even.
According to the scheme, the height of the sand mold is increased, the strength of the transverse/longitudinal main rib plates is enhanced, and the structural strength of the rib plates is increased at the main stress position of the sand mold.
The cope flask structure, as shown in the structure of fig. 3, can meet the process requirements of the pressureless iron casting through simulation analysis of software and actual use test.
The sand box structure can meet the aim of reducing or even not using a weight iron process, and can meet the requirements of energy conservation and consumption reduction by reducing the consumption of molding sand.
Claims (6)
1. A cope box for forming wind power base castings, which reduces the using amount of weight iron, comprises an outer frame and is characterized in that a plurality of transverse rib plates and a plurality of longitudinal rib plates are connected in the outer frame;
the transverse rib plates are parallel to each other and have the same interval, and the longitudinal rib plates are parallel to each other and have the same interval; the transverse rib plates and the longitudinal rib plates are crossed to form a plurality of lattices; the top edges of all the lattices are coplanar with the top surface of the cope flask, and the bottom edges of all the lattices are coplanar with the bottom surface of the cope flask;
the bottom surface of the upper sand box is connected with a sand-saving structure which protrudes downwards; the sand-saving structure is composed of a plurality of rib plates which extend downwards along the transverse and longitudinal rib plates at the positions; the bottom surface of the grid at the position of the sand-saving structure is communicated and used as a sand discharging channel of the molding sand; the bottom surface of the grid at the position of the non-sand-saving structure is closed.
2. The cope flask for molding wind power base castings with reduced weight consumption according to claim 1, wherein the connection structure of the rib plates, the transverse rib plates and the longitudinal rib plates of the sand-saving structure is as follows: the top edge of the rib plate of the sand-saving structure is provided with a groove, the bottom edge of the corresponding transverse rib plate or longitudinal rib plate is provided with a groove, the rib plate of the sand-saving structure and the grooves of the transverse rib plate or longitudinal rib plate are mutually clamped, and the connecting positions are welded in a full-welding manner;
the cross connection structure of the transverse rib plate and the longitudinal rib plate is as follows: the top edge of the transverse rib plate is provided with a groove, the bottom edge of the longitudinal rib plate is provided with a groove, the two grooves are correspondingly clamped, and the connecting position is welded by full welding;
the cross connection structure of two perpendicular gusset of economize sand structure does: the top edge of one rib plate is provided with a groove, the bottom edge of the other rib plate is provided with a groove, the two grooves are correspondingly clamped, and the connecting position is welded in a full welding mode.
3. The cope flask for molding wind power base castings with reduced weight consumption according to claim 1, wherein the top edges of the cross rib plate and the longitudinal rib plate are connected with horizontal edges, and the longitudinal sections of the cross rib plate and the longitudinal rib plate are T-shaped.
4. The cope box for forming wind power base castings with reduced iron weight usage according to claim 1, characterized in that the inner wall of the grid is connected with heat dissipating ribs, and the side walls of the rib plates of the sand saving structure are connected with heat dissipating ribs.
5. The cope flask for molding wind power base castings with reduced iron weight usage according to claim 1, wherein the outer frame is further connected with a lifting lug.
6. The cope flask for molding wind power base castings with reduced weight consumption of claim 1, wherein the outer frame is formed by welding a plurality of vertical parallel square steel tubes and steel plates; the edge position of the outer frame is connected with a flange edge, and the flange edge is provided with a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023049479.8U CN214684172U (en) | 2020-12-17 | 2020-12-17 | Reduce wind-powered electricity generation base class foundry goods shaping of weight quantity and use cope flask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023049479.8U CN214684172U (en) | 2020-12-17 | 2020-12-17 | Reduce wind-powered electricity generation base class foundry goods shaping of weight quantity and use cope flask |
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| Publication Number | Publication Date |
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| CN214684172U true CN214684172U (en) | 2021-11-12 |
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| CN202023049479.8U Active CN214684172U (en) | 2020-12-17 | 2020-12-17 | Reduce wind-powered electricity generation base class foundry goods shaping of weight quantity and use cope flask |
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