CN214684177U - Split type arc bottom ingot mould - Google Patents
Split type arc bottom ingot mould Download PDFInfo
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- CN214684177U CN214684177U CN202022884315.0U CN202022884315U CN214684177U CN 214684177 U CN214684177 U CN 214684177U CN 202022884315 U CN202022884315 U CN 202022884315U CN 214684177 U CN214684177 U CN 214684177U
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Abstract
The utility model discloses a split type arc end ingot mould has solved the life that current ingot mould exists shorter, and ton steel cost consumes great, forges the problem that a quality remains to improve. The technical scheme includes that the split type spindle comprises a spindle body and a base, an upper through hole is formed in the center of the bottom surface of an inner hole of the spindle body, arc transition is formed between the bottom surface of the inner hole and the inner wall of the inner hole, and a lower through hole corresponding to the upper through hole is formed in the center of the base. The utility model discloses simple structure, easily operation, long service life, product surface quality are good, effective reduction in production cost.
Description
Technical Field
The utility model relates to a metallurgical field, specific split type arc end ingot mould that says so.
Background
With the continuous development of equipment in the nuclear power generation, aerospace, shipbuilding, petrochemical industry, machinery and metallurgical industry towards large-scale production, the demand of large-scale forgings is more and more, and the market demand of corresponding steel ingots for forgings is huge. Meanwhile, with the increasingly fierce market competition, how to create greater benefit by reducing the production cost is an effective way for the survival and development of enterprises.
The traditional bottom pouring ingot mould generally adopts an integrated design, and an ingot body of the ingot mould and a base are integrally cast and formed into a whole, so that the parts are bulky and heavy, the operation of actual mould placing is difficult, and the problems of difficult hoisting and positioning exist. On the other hand, the bottom surface and the side wall of the traditional bottom pouring steel ingot mold are in right-angle transition, on one hand, when the bottom pouring steel ingot mold is used, the contact area of the bottom surface of an inner hole with molten steel is large, and the borne static pressure is also the largest, so that the local erosion burning loss is the most serious, the surface quality of the mold wall of the ingot body is still good when the bottom of the ingot body reaches the rejection standard, and the ingot body can only be integrally rejected due to the integral manufacture; on the other hand, the bottom surface of the forged piece cast by the bottom surface of the right-angle surface is also a right angle, so that the forged piece is easy to fold in the subsequent forging process, and the surface quality of the forged piece is influenced. Therefore, the current steel ingot casting mold has the problems of short service life, high cost consumption of steel per ton and waiting for improvement of quality of forged pieces.
Disclosure of Invention
The utility model aims at solving the technical problem and providing a split type arc bottom ingot mold which has simple structure, easy operation, long service life, good product surface quality and effectively reduced production cost.
The technical scheme includes that the split type spindle comprises a spindle body and a base, an upper through hole is formed in the center of the bottom surface of an inner hole of the spindle body, arc transition is formed between the bottom surface of the inner hole and the inner wall of the inner hole, and a lower through hole corresponding to the upper through hole is formed in the center of the base.
The radius of the arc transition is R300 mm.
The diameter ratio of the upper through hole to the lower through hole is 4-5: 1.
the lower through hole is a tapered hole with a small upper part and a large lower part.
The base is larger than the section diameter of the spindle body by 150 mm and 250 mm.
Has the advantages that:
1) the utility model adopts the split type matching of the ingot body and the base, which is not only beneficial to hoisting and positioning, but also can directly replace the corresponding part after the base or the ingot body is burned and damaged, and the rest of the ingot body or the base can be continuously matched for use, thereby reducing the ton steel consumption of the ingot mold and achieving the purposes of saving capital and reducing cost;
2) the bottom surface of the inner hole and the inner wall form arc transition, under the condition of ensuring that the total weight of the steel ingot is not changed, the weight of the ingot body of the steel ingot is improved by 2-3 percent, the area contacting molten steel is reduced, the static pressure is reduced, and the service life of the ingot body is prolonged; moreover, the bottom surface of the forged piece poured by the method is in arc transition correspondingly, and the surface quality of the forged piece is improved.
3) Controlling the diameter ratio of the upper through hole to the lower through hole to be 4-5: 1, the mold strength is improved; the base is a conical hole with a small upper part and a big lower part, and can be inserted into the bottom brick of the circular truncated cone-shaped runner swinging die in a matching way, thereby being convenient for hoisting and positioning.
4) The utility model discloses simple structure, easily operation, long service life, product surface quality are good, effective reduction in production cost, are applicable to the casting mold of various steel ingots of making a bet.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1-ingot body, 2-base, 3-upper through hole, 4-lower through hole, 5-arc transition and 6-inner hole.
Detailed Description
The invention will be further explained with reference to the drawings:
referring to fig. 1, the utility model discloses a split type spindle body 1 and base 2, open at 6 bottom surface centers in the hole of spindle body 1 has last through-hole 3, and 6 bottom surfaces in the hole have arc transition 5 with the inner wall, open at 2 centers in the base has the lower through-hole 4 that corresponds with last through-hole 3. The lower through hole 4 is a tapered hole with a small upper part and a large lower part. The diameter ratio of the upper through hole 3 to the lower through hole 4 is 4-5: 1.
in this embodiment, the radius of the arc transition is R300mm, the cross-sectional diameter of the base 2 is larger than that of the spindle body 1 by 150-250mm, the diameter phi of the upper through hole 3 is 550mm, the lower through hole 4 is a tapered hole, the aperture of the top surface is phi 95mm, and the aperture of the bottom surface is phi 110 mm. When the device is used, firstly, building a round table-shaped runner mold-arranging bottom brick (the diameter of the bottom surface is phi 105mm, and the diameter of the top surface is phi 90mm), and then placing the base 2 to ensure that the runner mold-arranging bottom brick is just inserted into the lower through hole 4 in the center of the base 2, so that the design is convenient for lifting and placing operation, and after the base 2 is placed, correspondingly placing the ingot body 1 and pressing the base 2.
Claims (4)
1. A split type arc bottom ingot mould is characterized by comprising a split type ingot body and a base, wherein an upper through hole is formed in the center of the bottom surface of an inner hole of the ingot body, arc transition is formed between the bottom surface of the inner hole and the inner wall of the inner hole, and a lower through hole corresponding to the upper through hole is formed in the center of the base; the diameter ratio of the upper through hole to the lower through hole is 4-5: 1.
2. the split bottom ingot mold of claim 1, wherein the radius of the arcuate transition is R300 mm.
3. The split curved bottom ingot mold of claim 1 or 2, wherein the lower through-holes are tapered holes having a small upper part and a large lower part.
4. The split curved bottom ingot mould as claimed in claim 1 or 2, wherein the base is 150-250mm larger than the cross-sectional diameter of the ingot body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022884315.0U CN214684177U (en) | 2020-12-03 | 2020-12-03 | Split type arc bottom ingot mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022884315.0U CN214684177U (en) | 2020-12-03 | 2020-12-03 | Split type arc bottom ingot mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214684177U true CN214684177U (en) | 2021-11-12 |
Family
ID=78556946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022884315.0U Active CN214684177U (en) | 2020-12-03 | 2020-12-03 | Split type arc bottom ingot mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214684177U (en) |
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2020
- 2020-12-03 CN CN202022884315.0U patent/CN214684177U/en active Active
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