CN111375738A - Heightened centrifugal flower disc structure compatible with centrifugal casting of multiple groups of formwork and use method thereof - Google Patents
Heightened centrifugal flower disc structure compatible with centrifugal casting of multiple groups of formwork and use method thereof Download PDFInfo
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- CN111375738A CN111375738A CN202010264514.3A CN202010264514A CN111375738A CN 111375738 A CN111375738 A CN 111375738A CN 202010264514 A CN202010264514 A CN 202010264514A CN 111375738 A CN111375738 A CN 111375738A
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- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
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Abstract
The invention provides a heightened centrifugal disc chuck structure compatible with centrifugal casting of a plurality of groups of formworks and a use method thereof, belonging to the technical field of precision casting molding processes of nonferrous metal investment molds, wherein the heightened centrifugal disc chuck structure comprises a heightened centrifugal disc chuck and a connecting bracket; the lower end of the heightened centrifugal flower disc is fixedly connected with the centrifugal disc, and the upper end of the heightened centrifugal flower disc is provided with a centrifugal casting tool and a mould shell; the connecting bracket is positioned between the centrifugal disc and the heightened centrifugal disc chuck, the lower end of the connecting bracket is fixedly connected with the centrifugal disc, and the upper end of the connecting bracket is fixedly connected with the heightened centrifugal disc chuck. The centrifugal casting machine is specially used for centrifugal casting of non-ferrous metal investment precision castings, can realize centrifugal casting compatible with multiple groups of formworks, and stably rotates along with a centrifugal disc at the rotating speed of 0-300 r/min, so that the labor intensity of workers is reduced, the flexibility of allocating production resources by producers is improved, the product quality is improved, and the production efficiency is improved.
Description
Technical Field
The invention particularly relates to a heightened centrifugal flower disc structure compatible with multiple groups of formwork centrifugal casting and a using method thereof, belonging to the technical field of non-ferrous metal investment precision casting molding processes.
Background
The investment precision casting process is an important method for manufacturing complex thin-wall castings, in the investment precision casting process, in order to ensure that the thin-wall castings can be stably and completely formed, a shell is still required to be centrifugally rotated during pouring, and molten metal can be used for rapidly filling each narrow cavity part in the shell under the action of centrifugal force. When the centrifugal pouring system manufactured in the early stage is used for centrifugal pouring, as the distance from the hearth funnel to the centrifugal disc is large, as shown in fig. 1, the time from pouring to mold filling solidification of liquid titanium is long, and a large amount of heat loss exists in molten metal in the pouring process, so that the temperature of the molten metal before mold filling is low, the fluidity filling property is poor, and the overall quality of a casting is influenced finally; because the diameter is smaller, the adaptability of the centrifugal flower disc manufactured in the early stage to the size structure of the casting is poorer, and the production of various castings cannot be finished; in addition, the centrifugal flower disc manufactured in the early stage can only meet the centrifugal casting of the formwork of two groups in one furnace and four groups in one furnace.
Disclosure of Invention
The invention provides a heightened centrifugal disc chuck structure compatible with multiple groups of mould shell centrifugal casting, aiming at the problems in the background technology, and the heightened centrifugal disc chuck structure can meet the requirements of the centrifugal casting of multiple groups of mould shells in non-ferrous metal investment precision casting through a plurality of tools such as heightened centrifugal disc chucks, connecting brackets, bolts with different specifications and the like in an assembling mode.
The invention provides a heightened centrifugal disc chuck structure compatible with multi-group formwork centrifugal casting, which comprises heightened centrifugal disc chucks and a connecting bracket, wherein the heightened centrifugal disc chucks are disc chucks with supporting structures below, a plurality of round holes are arranged on the supporting structures, a large through hole is arranged in the center of each heightened centrifugal disc chuck, a plurality of small through holes are arranged outside each large through hole, and a plurality of groups of notches are arranged around each disc chuck for fixing a centrifugal casting tool and a formwork; the connecting bracket comprises a disc cap and a cylinder, a plurality of round holes are formed in the lower portion of the cylinder, a plurality of round holes are also formed in the disc cap, the connecting bracket is fixed to a central through hole of the heightened centrifugal disc chuck, a centrifugal casting tool and a mould shell are installed at the upper end of the heightened centrifugal disc chuck, the middle of the heightened centrifugal disc chuck is fixedly connected with the connecting bracket through a plurality of small through holes of the disc, and the lower end of the heightened centrifugal disc chuck is fixedly connected with the centrifugal disc through a plurality of round holes of the supporting structure; the upper end disc cap of the connecting bracket is fixedly connected with the heightened centrifugal disc chuck and the centrifugal casting tool through a plurality of round holes in the disc cap, the lower end cylinder is fixedly connected with the centrifugal disc through a plurality of round holes in the lower portion of the cylinder, and the connecting bracket plays a role in bearing the heightened centrifugal disc chuck and the centrifugal disc and stabilizing the whole centrifugal casting system.
Preferably, the integral height of the heightened centrifugal flower disc is 260 mm.
Preferably, the heightened centrifugal flower disc is made of carbon structural steel Q235.
Preferably, after the upper surface of the disc of the heightened centrifugal faceplate is milled flat, a plurality of notches for fixing a centrifugal casting tool are machined; after the lower surface of the supporting structure of the heightened centrifugal chuck is milled flat, a plurality of circular holes for connecting and fixing corresponding to the through holes on the centrifugal chuck are processed.
Preferably, the attachment bracket is made of carbon structural steel Q235.
Preferably, after the upper surface of the disc cap of the connecting bracket is milled flat, a plurality of round holes for fixing the heightened centrifugal disc chuck and the centrifugal casting tool are processed; the lower surface of the cylinder of the connecting bracket is milled flat, and then a plurality of round holes for connecting and fixing corresponding to the threaded holes on the centrifugal disc are processed.
Preferably, four small through holes are arranged outside the large through hole in the center of the heightened centrifugal faceplate, and the four small through holes are encircled into a circular ring and are uniformly distributed.
Preferably, the lower portion of the cylinder of the connection bracket is provided with five circular holes.
Preferably, the disc cap of the connecting bracket is provided with four round holes.
Preferably, six groups of notches are arranged around the disc of the heightening centrifugal disc chuck, wherein four groups of notches are arranged at intervals of 90 degrees, and the other two groups of notches are arranged at intervals of 120 degrees with one group of notches in the four groups of notches, so that the centrifugal casting of the formwork of one furnace two groups, one furnace three groups and one furnace four groups is completed.
The application method of the heightened flower disc structure compatible with multiple groups of formwork centrifugal casting specifically comprises the following steps:
firstly, a cylinder below a connecting bracket is placed in the center of a centrifugal disc and is fixedly connected with five corresponding threaded holes above the centrifugal disc through five round holes at the lower end of the connecting bracket by inner hexagon bolts;
secondly, sleeving a heightened centrifugal disc chuck on a cylinder of a connecting bracket to ensure that the centers of the heightened centrifugal disc chuck and the cylinder of the connecting bracket are aligned, and then, connecting and fixing bolts through four round holes of a centrifugal casting tool, four round holes on the heightened centrifugal disc chuck and four round holes of a disc at the upper end of the connecting bracket;
thirdly, four round holes on a supporting structure at the lower end of the heightened centrifugal faceplate and four corresponding through holes above the centrifugal faceplate are connected and fixed by bolts;
fourthly, placing a formwork and a centrifugal casting tool on the installed heightened centrifugal disc chuck, wherein the formwork is 2, 3 or 4 groups, and the through hole below the centrifugal casting tool is fixedly connected with the notch of the heightened centrifugal disc chuck by using a bolt;
and fifthly, locking the centrifugal casting tool and the membrane shell, after the assembly is finished, performing centrifugal casting on the nonferrous metal investment precision casting, after the casting is finished, loosening the centrifugal casting tool, removing the formwork, cleaning the heightened centrifugal disc chuck, directly placing the formwork and installing the centrifugal casting tool when the formwork is used next time, and not disassembling the heightened centrifugal disc chuck.
The heightened centrifugal flower disc structure compatible with the centrifugal casting of a plurality of groups of formworks has the beneficial effects that:
1. the heightened centrifugal flower disc structure compatible with multiple groups of formwork centrifugal casting is stable in structure and convenient to assemble and disassemble. The structure can effectively reduce the heat loss of molten metal during pouring, ensure the forming quality of precision castings, simultaneously improve the adaptability to the size structure of the castings, and have the capability of centrifugal pouring of the formworks with two sets of one furnace, three sets of one furnace and four sets of one furnace, so that the production resource allocation is more flexible, the production cost of the castings is effectively reduced, the technical capability of enterprises is improved, and the economic benefit and the social benefit are good.
2. According to the heightened centrifugal flower disc structure compatible with the centrifugal casting of the multiple groups of the formworks, the diameter of the heightened centrifugal flower disc is increased by shortening the distance from the funnel to the shell, and the connecting guide rail for the centrifugal casting of the three groups of the formworks is additionally arranged, so that the heightened centrifugal flower disc structure which is stable in structure and convenient to assemble and disassemble is researched, the adaptability of equipment to products can be improved, the flexibility of production resource allocation is enhanced, the product quality is improved, and the production cost of castings is effectively reduced.
3. The heightened centrifugal flower disc structure compatible with multiple groups of formwork centrifugal casting is specially used for centrifugal casting of non-ferrous metal investment precision castings, can realize centrifugal casting compatible with multiple groups of formworks, stably rotates along with a centrifugal disc at the rotating speed of 0-300 r/min, reduces the labor intensity of workers, improves the flexibility of allocating production resources for producers, improves the product quality and improves the production efficiency.
4. The heightened centrifugal flower disc structure compatible with multiple groups of formwork centrifugal casting ensures that an investment precision casting can stably rotate along with a centrifugal disc at the rotating speed of 0-300 r/min, and molten metal completely fills each part of a shell under the action of centrifugal force.
Drawings
FIG. 1 is a schematic diagram of centrifugal casting without a heightened centrifugal faceplate structure in the prior art;
FIG. 2 is a schematic view of centrifugal casting with a heightened centrifugal faceplate structure according to the present invention;
FIG. 3 is a cross-sectional view of a heightened centrifugal faceplate structure compatible with multiple sets of formwork centrifugal casting according to the present invention.
FIG. 4 is a first structural schematic view of a heightened centrifugal faceplate of the present invention;
FIG. 5 is a schematic structural view of a heightened centrifugal faceplate of the present invention;
FIG. 6 is a schematic view of the construction of the attachment bracket of the present invention;
FIG. 7 is a schematic view of a furnace with two sets of mold shells for centrifugal casting according to the present invention;
FIG. 8 is a schematic view of a centrifugal casting process with a three-unit mold shell of a heightened centrifugal flower disc structure according to the present invention;
FIG. 9 is a schematic view of a centrifugal casting of a furnace four-pack type formwork with a heightened centrifugal faceplate structure according to the present invention;
reference numerals: 1-heightening a centrifugal flower disc; 2-connecting the bracket.
Detailed Description
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings:
the first embodiment is as follows: the present embodiment is explained with reference to fig. 1 to 9. The heightened centrifugal disc chuck structure compatible with the multiple groups of formwork centrifugal casting comprises a heightened centrifugal disc chuck 1 and a connecting bracket 2, wherein the heightened centrifugal disc chuck 1 is a disc with a supporting structure below, a plurality of round holes are formed in the supporting structure, a large through hole is formed in the center of the disc of the heightened centrifugal disc chuck 1, a plurality of small through holes are formed in the outside of the large through hole, and a plurality of groups of notches are formed in the periphery of the disc and used for fixing a centrifugal casting tool and a formwork; the connecting bracket 2 comprises a disc cap and a cylinder, a plurality of round holes are formed in the lower portion of the cylinder, a plurality of round holes are also formed in the disc cap, the connecting bracket 2 is fixed to a central through hole of the heightened centrifugal disc chuck 1, a centrifugal casting tool and a mould shell are installed at the upper end of the heightened centrifugal disc chuck 1, the middle of the heightened centrifugal disc chuck is fixedly connected with the connecting bracket 2 through a plurality of small through holes of the disc, and the lower end of the heightened centrifugal disc chuck is fixedly connected with the centrifugal disc through a plurality of round holes of a supporting structure; the upper end disc cap of the connecting bracket 2 is fixedly connected with the heightened centrifugal disc chuck 1 and the centrifugal casting tool through a plurality of round holes in the disc cap, the lower end cylinder is fixedly connected with the centrifugal disc through a plurality of round holes in the lower part of the cylinder, and the connecting bracket 2 plays a role in supporting the heightened centrifugal disc chuck 1 and the centrifugal disc and stabilizing the whole centrifugal casting system.
The whole height of the heightened centrifugal flower disc 1 is 260mm, the heightened centrifugal flower disc is adopted, the height of the heightened centrifugal flower disc is improved by 260mm (original 30mm, 290mm at present), the diameter of the heightened centrifugal flower disc 1 is increased from original 1200mm to 1350mm, finally, the centrifugal flower disc is suitable for all kinds of centrifugal runners used in the current production process, and the adaptability of the equipment to different kinds of precision casting runners and products is improved.
The heightened centrifugal flower disc 1 is made of carbon structural steel Q235, and has good toughness and strength and good welding performance. The diameter and height of the heightened centrifugal disc (1) are designed according to the size of the equipment and the common centrifugal mould shell. The upper surface of the disc of the heightened centrifugal faceplate 1 is milled flat, and then a plurality of notches for fixing a centrifugal casting tool are processed; after the lower surface of the supporting structure of the heightened centrifugal faceplate 1 is milled flat, a plurality of round holes for connection and fixation corresponding to the through holes on the centrifugal faceplate are processed.
The connecting bracket 2 is made of carbon structural steel Q235, the height of the connecting bracket is designed according to the distance between the centrifugal faceplate and the centrifugal plate, and the connecting bracket 2 is designed into a hollow structure so as to be convenient for installation operation. After the upper surface of the disc cap of the connecting bracket 2 is milled flat, a plurality of round holes for fixing the heightened centrifugal disc chuck 1 and the centrifugal casting tool are processed; the lower surface of the cylinder of the connecting bracket 2 is milled flat, and then a plurality of round holes for connecting and fixing corresponding to the threaded holes on the centrifugal disc are processed. The connecting bracket 2 plays a role in bearing the centrifugal disc chuck and the centrifugal disc, prevents the centrifugal disc chuck from separating from the centrifugal disc during pouring and from irregular swinging, and keeps the stability of the whole centrifugal pouring system.
The parts are assembled as shown in figure 1 to form the final heightened centrifugal flower disc structure compatible with a plurality of groups of formwork centrifugal casting.
The heightened centrifugal faceplate 1 is a disk with a supporting structure at the lower part, and the diameter and the height of the disk can be set according to actual requirements; the supporting structure below adopts the weight reduction design, and is designed into a hollow structure, so that the weight is reduced, and the forklift is convenient to load and unload.
The non-ferrous metal formwork fixed by the centrifugal casting heightened centrifugal flower disc structure is subjected to centrifugal casting, the centrifugal casting heightened centrifugal flower disc structure can stably rotate along with a centrifugal disc at the rotating speed of 0-300 r/min, and molten metal completely fills all parts of a shell under the centrifugal force action.
Four small through holes are arranged outside the large through hole in the center of the heightened centrifugal faceplate 1, and the four small through holes are encircled into a circular ring and are uniformly distributed.
The lower part of the cylinder of the connecting bracket 2 is provided with five round holes.
And four round holes are formed in the disc cap of the connecting bracket 2.
Six groups of notches are arranged around the disc of the heightening centrifugal faceplate 1, wherein four groups of notches are arranged at intervals of 90 degrees, and the other two groups of notches are arranged at intervals of 120 degrees with one group of notches in the four groups of notches, so that the centrifugal casting of the formwork of one furnace two groups, one furnace three groups and one furnace four groups is completed.
The application method of the heightened flower disc structure compatible with multiple groups of formwork centrifugal casting specifically comprises the following steps:
firstly, a cylinder below a connecting bracket 2 is placed in the center of a centrifugal disc and is fixedly connected with five corresponding threaded holes above the centrifugal disc through five round holes at the lower end of the connecting bracket 2 by using hexagon socket head bolts;
secondly, sleeving the heightened centrifugal disc chuck 1 on a cylinder of the connecting bracket 2 to ensure the centers of the heightened centrifugal disc chuck and the cylinder of the connecting bracket 2 to be aligned, welding the cylinder of the connecting bracket 2 and a disc cap into a whole for forming, and then connecting and fixing bolts through four round holes of a centrifugal casting tool, four round holes of the heightened centrifugal disc chuck 1 and four round holes of the disc cap at the upper end of the connecting bracket 2;
thirdly, four round holes on a supporting structure at the lower end of the heightened centrifugal faceplate 1 and four corresponding through holes above the centrifugal faceplate are connected and fixed by bolts;
fourthly, placing a formwork and a centrifugal casting tool on the installed heightened centrifugal disc chuck 1, wherein the formwork is 2, 3 or 4 groups, and the through hole below the centrifugal casting tool is fixedly connected with the notch of the heightened centrifugal disc chuck 1 by using a bolt;
and fifthly, locking the centrifugal casting tool and the membrane shell, after the assembly is finished, performing centrifugal casting on the nonferrous metal investment precision casting, after the casting is finished, loosening the centrifugal casting tool, removing the formwork, cleaning the heightened centrifugal disc chuck 1, directly placing the formwork and installing the centrifugal casting tool when the die is used next time, and not disassembling the heightened centrifugal disc chuck 1.
The invention relates to a specific working principle explanation of a heightened centrifugal flower disc structure compatible with multiple groups of formwork centrifugal casting, which comprises the following steps:
as can be seen from the comparison between the figure 1 and the figure 2, the height of the centrifugal faceplate is increased by 260mm (original 30mm, currently 290mm) in a heightening mode, the diameter of the centrifugal faceplate 1 is increased from original 1200mm to 1350mm in a heightening mode, and finally the centrifugal faceplate is suitable for all kinds of centrifugal runners used in the current production process, so that the adaptability of the equipment to different kinds of precision casting runners and products is improved.
When a skull furnace is used for smelting and producing molten titanium alloy, the superheat degree of the titanium alloy is generally low. The centrifugal casting system manufactured in the early stage has larger distance from the funnel to the centrifugal disc during centrifugal casting, so that the stroke of liquid titanium from casting to mold filling is longer, and the solidification time is correspondingly longer. In the process, a large amount of heat loss exists in the molten metal, so that the temperature of the molten metal before mold filling is low, the fluidity and the filling property are poor, and the overall quality of the casting is influenced finally. By means of increasing the height of the centrifugal disc chuck, the distance from the funnel to the casting mold cavity is shortened, the heat loss of the molten metal in the pouring process is reduced, the molten metal is enabled to fully fill the casting mold in a higher temperature state and a better flowing state, and finally the purpose of improving the overall quality of the casting is achieved.
The existing centrifugal casting system can carry out the centrifugal casting task of one furnace two groups of shells or one furnace four groups of shells, but with the increase of the types of products for bearing and producing titanium alloy and the limitation of the types and the number of field centrifugal runners, if some products are centrifugally cast according to one furnace two groups of shells, the metal utilization rate is very low, and the production cost is greatly increased; if centrifugal casting is carried out according to four groups of shells in one furnace, the situation that the metal quantity is insufficient and the casting of the shells is insufficient can be caused; in addition, in the initial process design stage, the relationship between the production task amount and the equipment production capacity should be fully considered, and the number of the shells should be reduced as much as possible under the same conditions. The centrifugal chuck is designed into a structure with pouring capacities of one furnace for two groups, one furnace for three groups and one furnace for four groups, so that the purposes of reducing the labor intensity of workers, improving the flexibility of allocating production resources by producers, improving the production efficiency and reducing the manufacturing cost are achieved.
The structure to centrifugal flower disc is optimized, increases the part design for cavity below the flower disc to subtract heavy design on the basis of guaranteeing intensity, reserves fork truck and installs and removes the socket, improves the convenience of its installing and removing when reducing centrifugal flower disc weight and handling capacity.
The increase of the height and diameter of the centrifugal disk inevitably leads to the reduction of the stability of the whole centrifugal system, and the vacuum seal of the driving shaft at the bottom of the equipment is possibly damaged seriously. Therefore, a connecting and fixing device with high structural strength, good matching performance and strong operability needs to be designed, so that the whole centrifugal casting system can be stably produced at a high rotating speed. The position relation among all components of the centrifugal casting system is comprehensively considered, a main center skeleton is designed and installed between the centrifugal disc and the centrifugal flower disc, the centrifugal disc and the centrifugal flower disc are connected and supported, and the centrifugal casting system is locked through bolts, so that the stability of the centrifugal casting system is guaranteed.
The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail. It should be understood that the above-mentioned embodiments are only examples of the present invention, and are not intended to limit the present invention, and that the reasonable combination of the features described in the above-mentioned embodiments can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The heightening flower disc structure compatible with multiple groups of formwork centrifugal casting is characterized by comprising a heightening centrifugal flower disc (1) and a connecting bracket (2), wherein the heightening centrifugal flower disc (1) is a disc with a supporting structure below, a plurality of round holes are formed in the supporting structure, a large through hole is formed in the center of the disc of the heightening centrifugal flower disc (1), a plurality of small through holes are formed in the outside of the large through hole, and a plurality of groups of notches are formed in the periphery of the disc and used for fixing a centrifugal casting tool and a formwork;
the connecting bracket (2) comprises a disc cap and a cylinder, the lower part of the cylinder is provided with a plurality of round holes, the disc cap is also provided with a plurality of round holes, the connecting bracket (2) is fixed at the central through hole of the heightened centrifugal disc chuck (1),
the upper end of the heightened centrifugal flower disc (1) is provided with a centrifugal casting tool and a mold shell, the middle of the heightened centrifugal flower disc is fixedly connected with the connecting bracket (2) through a plurality of small through holes of the disc, and the lower end of the heightened centrifugal flower disc is fixedly connected with the centrifugal disc through a plurality of round holes of the supporting structure; the upper end disc cap of connecting bracket (2) is connected fixedly through a plurality of round holes on the disc cap with heightening centrifugal flower disc (1) and centrifugal casting frock, and the lower extreme drum is connected fixedly through a plurality of round holes in drum lower part and centrifugal disc, connecting bracket (2) plays the effect of accepting heightening centrifugal flower disc (1) and centrifugal disc and stabilizing whole centrifugal casting system.
2. A heightened faceplate structure compatible with multi-group formwork centrifugal casting according to claim 1, wherein the heightened centrifugal faceplate (1) has an overall height of 260 mm.
3. The heightening faceplate structure compatible with multiple sets of shuttering centrifugal casting of claim 1, wherein the heightening centrifugal faceplate (1) and the connecting bracket (2) are both made of carbon structural steel Q235.
4. The heightening faceplate structure compatible with multiple sets of formwork centrifugal casting according to claim 1, characterized in that a plurality of notches for fixing a centrifugal casting tool are processed on the upper surface of a disc of the heightening centrifugal faceplate (1) after being milled flat; the lower surface of the supporting structure of the heightened centrifugal faceplate (1) is milled flat, and then a plurality of round holes for connection and fixation corresponding to the through holes on the centrifugal faceplate are processed.
5. The heightening faceplate structure compatible with multiple sets of formwork centrifugal casting according to claim 1, characterized in that a plurality of round holes for fixing the heightening centrifugal faceplate (1) and a centrifugal casting tool are processed after the upper surface of a disk cap of the connecting bracket (2) is milled flat; the lower surface of the cylinder of the connecting bracket (2) is milled flat, and then a plurality of round holes for connecting and fixing corresponding to the threaded holes on the centrifugal disc are processed.
6. The heightening faceplate structure compatible with multiple sets of formwork centrifugal casting according to claim 1, characterized in that four small through holes are arranged outside the large through hole in the center of the heightening centrifugal faceplate (1), and the four small through holes are uniformly distributed around a circular ring.
7. A heightened faceplate structure compatible with multi-unit formwork centrifugal casting according to claim 1, wherein the lower part of the cylinder of the connecting bracket (2) is provided with five round holes.
8. A heightened faceplate structure compatible with multiple sets of formwork centrifugal casting according to claim 1, wherein four circular holes are provided on the disk cap of the connecting bracket (2).
9. A heightened faceplate structure compatible with multi-group formwork centrifugal casting according to claim 1, characterized in that six groups of notches are arranged around the disc of the heightened centrifugal faceplate (1), wherein four groups of notches are arranged at intervals of 90 °, and the other two groups of notches are arranged at intervals of 120 ° with one group of notches in the four groups of notches, so as to complete the centrifugal casting of the formworks of one furnace two group, one furnace three group and one furnace four group.
10. A method for using a heightened faceplate structure compatible with multiple sets of formwork centrifugal casting according to any one of claims 1-9, comprising the following steps:
firstly, placing a cylinder below a connecting bracket (2) in the center of a centrifugal disc, and connecting and fixing the cylinder with five corresponding threaded holes above the centrifugal disc through five round holes at the lower end of the connecting bracket (2) by using hexagon socket head cap bolts;
secondly, sleeving the heightening centrifugal disc chuck (1) on a cylinder of the connecting bracket (2) to ensure that the centers of the heightening centrifugal disc chuck and the cylinder of the connecting bracket are aligned, and then, connecting and fixing bolts through four round holes of a centrifugal casting tool, four round holes of the heightening centrifugal disc chuck (1) and four round holes of a disc cap at the upper end of the connecting bracket (2);
thirdly, four round holes on a supporting structure at the lower end of the heightening centrifugal faceplate (1) and four corresponding through holes above the centrifugal faceplate are connected and fixed by bolts;
fourthly, placing a formwork and a centrifugal casting tool on the installed heightened centrifugal disc chuck (1), wherein the formwork is 2, 3 or 4 groups, and the through hole below the centrifugal casting tool is fixedly connected with the notch of the heightened centrifugal disc chuck (1) by using a bolt;
and fifthly, locking the centrifugal casting tool and the membrane shell, after the assembly is finished, carrying out centrifugal casting on the nonferrous metal investment precision casting, after the casting is finished, loosening the centrifugal casting tool, removing the formwork, cleaning the heightened centrifugal disc chuck (1), directly placing the formwork when the formwork is used next time, and installing the centrifugal casting tool without disassembling the heightened centrifugal disc chuck (1).
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| CN114346196A (en) * | 2022-01-17 | 2022-04-15 | 洛阳科品实业有限公司 | Casting forming process for small characters on ultrathin part |
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| JP2003103355A (en) * | 2001-09-26 | 2003-04-08 | Hitachi Metals Ltd | Manufacturing method for forging steel ingot |
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| KR101578725B1 (en) * | 2015-11-11 | 2015-12-28 | (주)에스에이메탈 | The Method of Centrifugal Casting for Round Bar Products |
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| CN110000317A (en) * | 2019-03-14 | 2019-07-12 | 桂林理工大学 | A kind of titanium alloy hard disk shell precision forging forming method |
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| CN114346196A (en) * | 2022-01-17 | 2022-04-15 | 洛阳科品实业有限公司 | Casting forming process for small characters on ultrathin part |
| CN114346196B (en) * | 2022-01-17 | 2023-05-16 | 洛阳科品钛业股份有限公司 | Casting molding process of small fonts on ultrathin part |
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