CN111283157B - Centrifugal casting heat preservation device for rapid positioning formwork and use method - Google Patents
Centrifugal casting heat preservation device for rapid positioning formwork and use method Download PDFInfo
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- CN111283157B CN111283157B CN202010091494.4A CN202010091494A CN111283157B CN 111283157 B CN111283157 B CN 111283157B CN 202010091494 A CN202010091494 A CN 202010091494A CN 111283157 B CN111283157 B CN 111283157B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
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- B22D13/00—Centrifugal casting; Casting by using centrifugal force
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Abstract
A centrifugal casting heat preservation device for a rapid positioning formwork and a using method belong to the technical field of non-ferrous metal investment casting molding technology. The invention solves the problems that the existing centrifugal gating system is inconvenient to assemble and disassemble and the molding quality of the casting is influenced because no heat preservation measures are taken. The cylinder comprises a left half cylinder and a right half cylinder which are arranged oppositely, the right half cylinder is vertically and fixedly arranged on a centrifugal disc, one side part of the left half cylinder is rotationally connected with one side part of the right half cylinder through a rotating assembly, the other side part of the left half cylinder is connected with the other side part of the right half cylinder through a cylinder locking assembly, a left half sprue cup and a right half sprue cup are correspondingly matched and penetrated at the top of the left half cylinder and the top of the right half cylinder in a penetrating manner, the left half sprue cup and the left half cylinder as well as the right half sprue cup and the right half cylinder are fixedly connected through sprue cup locking assemblies respectively, a formwork is arranged in the cylinder, and the top of the formwork is matched and connected with the bottom of the sprue cup; the inside of the cylinder body is provided with a heat-insulating lining.
Description
Technical Field
The invention relates to a centrifugal casting heat preservation device for a rapid positioning formwork and a using method thereof, belonging to the technical field of non-ferrous metal investment precision casting molding technology.
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 mould shell is also required to be centrifugally rotated during pouring, and molten metal can be rapidly filled into each narrow cavity part in the mould shell under the action of centrifugal force. Static pouring is mostly adopted in the past pouring, and the method is not favorable for the mold filling of the casting; the centrifugal casting system manufactured in the early stage is not convenient to assemble and disassemble, is suitable for mass production of castings, and cannot be suitable for small-batch rapid development of products; in addition, the preheated formwork can be rapidly cooled without heat preservation measures in a large time from charging to vacuumizing, smelting and pouring, and a series of adverse effects can be generated on the forming quality of the casting when the temperature of the formwork does not meet the requirement during pouring. Therefore, the research on fixing the formwork by a pouring device with stable structure, convenient assembly and disassembly and good heat insulation performance and ensuring firmness and reliability in the centrifugal process is one of the key steps for realizing precision casting of the investment mold.
Disclosure of Invention
The invention provides a centrifugal pouring heat-insulating device for quickly positioning a formwork and a using method thereof, aiming at solving the problems that the existing centrifugal pouring system is inconvenient to assemble and disassemble and the molding quality of a casting is influenced because no heat-insulating measure is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a centrifugal pouring heat preservation device for quickly positioning a formwork comprises a centrifugal disc, a cylinder body, a pouring cup locking assembly and a cylinder body locking assembly, wherein the cylinder body comprises a left half cylinder body and a right half cylinder body which are oppositely arranged, the right half cylinder body is vertically and fixedly arranged on the centrifugal disc, one side part of the left half cylinder body is rotationally connected with one side part of the right half cylinder body through a rotating assembly, the other side part of the left half cylinder body is connected with the other side part of the right half cylinder body through the cylinder body locking assembly,
the pouring cup comprises a left half pouring cup and a right half pouring cup which are oppositely arranged, the left half pouring cup and the right half pouring cup are correspondingly matched and penetrated at the top of the left half barrel and the top of the right half barrel, the left half pouring cup and the left half barrel and the right half pouring cup and the right half barrel are fixedly connected through a pouring cup locking assembly respectively, the formwork is arranged in the barrel, and the top of the formwork is matched and connected with the bottom of the pouring cup;
the inside of the cylinder body is provided with a heat-insulating lining.
Furthermore, the pouring cup locking assembly comprises a first base, a handle and a rocker, wherein a connecting piece is fixedly arranged on the outer side wall of the corresponding half pouring cup, the first base is fixedly arranged on the top end face of the corresponding half barrel, the lower part of the connecting piece is rotatably connected with one end part, close to the half pouring cup, of the first base and the upper part of the connecting piece is rotatably connected with one end part of the handle through a pin shaft respectively, the other end part of the handle is connected with one end part, far away from the half pouring cup, of the first base through a bolt, and one end part of the rocker is rotatably connected with the middle part of the first base and the other end part of the rocker is rotatably connected with the handle through pin shafts respectively.
Furthermore, the upper surface of first base an organic whole is equipped with three mount pad admittedly, and wherein connecting piece, handle and rocker correspond and connect on first base through three mount pad.
Further, the barrel locking component comprises a hook, a U-shaped bolt, a pull buckle handle and two second bases fixedly mounted on the outer side wall of the right half barrel, wherein one end of the pull buckle handle is rotatably connected with one second base close to the left half barrel through a pin shaft, the other end of the pull buckle handle is connected with the other second base through a bolt, two open ends of the U-shaped bolt are simultaneously rotatably connected with one end portion, close to the left half barrel, of the pull buckle handle, the hook is fixedly mounted on the outer side wall of the left half barrel, and when the two half barrels are butted into one barrel, the U-shaped bolt is connected with the hook in a clamping mode.
Furthermore, one end part of the pull buckle handle close to the left half barrel body rotates to penetrate through a positioning pin, two opening end parts of the U-shaped bolt penetrate through two end parts of the positioning pin respectively, each opening end part of the U-shaped bolt is locked through two locking nuts simultaneously, and the two locking nuts are located on two sides of the positioning pin respectively.
Furthermore, the rotating assembly comprises two hinges and a fixing screw rod for connecting the two hinges, and the two half cylinders are fixedly connected with the two hinges correspondingly and are connected in a rotating mode through the fixing screw rod.
Furthermore, the inside wall and the bottom inner wall of each half cylinder are provided with heat-insulating linings, each heat-insulating lining comprises an asbestos heat-insulating layer and a ceramic fiber heat-insulating layer, and the asbestos heat-insulating layers are located between the ceramic fiber heat-insulating layers and the half cylinders.
Furthermore, the bottom of the pouring cup is an annular clamping platform structure matched with the top of the formwork.
A use method of a centrifugal casting heat preservation device for quickly positioning a formwork comprises the following steps:
the first step, the left half cylinder body is opened at a certain angle relative to the right half cylinder body, and the left and right half pouring cup are in a loose state through a handle of the pouring cup locking assembly;
secondly, placing the heated mould shell in the right half cylinder, butting the pouring gate position of the mould shell with the bottom of the pouring cup, pressing the mould shell tightly by pulling a handle of the pouring cup locking assembly above the right half cylinder, fixing the mould shell, and fixing the other end of the handle to prevent the mould shell from being separated when the device rotates;
thirdly, closing the left half cylinder body and the right half cylinder body into a whole, pressing the mould shell again by pulling a handle of the sprue cup locking assembly above the left half cylinder body, and fixing the other end of the handle to prevent the handle from being disengaged when the device rotates;
fourthly, the left half cylinder body and the right half cylinder body are locked in a butt joint mode through the cylinder body locking assembly, and the other end portion of the pull buckle handle is fixed to prevent the pull buckle handle from being disengaged when the device rotates;
and fifthly, after the device is assembled, carrying out centrifugal casting on the non-ferrous metal investment precision casting, loosening the cylinder locking assembly after casting is finished, loosening the cast formwork by using handles of the sprue cup locking assemblies above the left half cylinder and the right half cylinder, removing the formwork after loosening, and finishing one-time centrifugal casting.
Compared with the prior art, the invention has the following effects:
the utility model provides a centrifugal casting heat preservation device structure is firm, loading and unloading are convenient, the heat insulating ability is good, can fix the mould shell fast, can make the mould shell firmly reliable at centrifugal in-process, prevents to take place to run out fire, improves the dress stove efficiency. Meanwhile, through the heat-insulating lining, the heat loss before the casting of the formwork is reduced to the maximum extent, the forming quality of a precision casting is ensured, the technical capability of an enterprise is improved, the product development period is shortened, and the economic benefit and the social benefit are good.
Through the centrifugal pouring heat preservation device, the precision investment casting can stably rotate along with a centrifugal disc at the rotating speed of 0-200 r/min, and molten metal completely fills each part of a shell under the action of centrifugal force.
Drawings
Fig. 1 is a schematic perspective view of the present application (in a case where two half cylinders are opened at a certain angle);
FIG. 2 is a main cross-sectional schematic view of the present application;
FIG. 3 is a schematic view of a half cylinder and its internal insulating lining;
FIG. 4 is a schematic view of a half-tundish;
FIG. 5 is a schematic view of a half tundish with its corresponding tundish lock assembly attached;
FIG. 6 is a schematic structural view of a rotating assembly;
FIG. 7 is a schematic view of a first perspective structure of the barrel lock assembly;
FIG. 8 is a second perspective view of the barrel lock assembly.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 8, and the centrifugal casting heat preservation device for quickly positioning the formwork comprises a centrifugal disc 1, a cylinder, a pouring cup locking assembly and a cylinder locking assembly, wherein the cylinder comprises a left half cylinder 2 and a right half cylinder 3 which are oppositely arranged, the right half cylinder 3 is vertically and fixedly arranged on the centrifugal disc 1, one side part of the left half cylinder 2 is rotatably connected with one side part of the right half cylinder 3 through a rotating assembly, the other side part of the left half cylinder 2 is connected with the other side part of the right half cylinder 3 through the cylinder locking assembly,
the pouring cup comprises a left half pouring cup 4 and a right half pouring cup 5 which are oppositely arranged, the left half pouring cup 4 and the right half pouring cup 5 are correspondingly matched and penetrated at the top of the left half cylinder 2 and the top of the right half cylinder 3, the left half pouring cup 4 and the left half cylinder 2 and the right half pouring cup 5 and the right half cylinder 3 are fixedly connected through pouring cup locking assemblies respectively, the formwork 6 is arranged in the cylinder, and the top of the formwork 6 is matched and connected with the bottom of the pouring cup;
the inside of the cylinder body is provided with a heat-insulating lining 7.
The bottom end of the right half cylinder body 3 is fixedly connected with the centrifugal disc 1. The left half cylinder body 2 can rotate relative to the right half cylinder body 3 through the rotating assembly, and the two half cylinder bodies are opened and closed through the cylinder body locking assembly. The bottom of the pouring cup is matched and connected with the top of the formwork 6 and used for fixing the formwork 6. The upper portion of pouring basin is half cone tubular structure, and the middle part is straight cylindrical structure for accept the molten metal between the barrel, and the bottom is annular ka tai structure with the partial of mould shell 6 complex for fixed mould shell 6 prevents that mould shell 6 from taking place irregular swing under the effect of centrifugal force. Each half pouring cup is connected with a pouring cup locking mechanism, so that the whole pouring cup can stably rotate along with the device.
The barrel, the pouring cup locking assembly, the rotating assembly and the barrel locking assembly are all made of carbon structural steel Q235, and have good toughness and strength and good welding performance. The diameter and height of the cylinder are designed according to the dimensions of the usual centrifugal mould shell 6. The space for adding the heat-preservation refractory material is reserved in the barrel, and the outside of the barrel is connected with the sprue cup locking mechanism, the rotating assembly and the barrel locking mechanism through welding.
The centrifugal casting heat preservation device fixes the nonferrous metal formwork 6 for centrifugal casting, can stably rotate along with the centrifugal disc 1 at the rotating speed of 0-200 r/min, and completely fills each part of the formwork 6 with molten metal under the action of centrifugal force.
The pouring cup locking assembly comprises a first base 8, a handle 9 and a rocker 10, a connecting piece 11 is fixedly arranged on the outer side wall of a corresponding half pouring cup, the first base 8 is fixedly arranged on the top end face of the corresponding half barrel, the lower portion of the connecting piece 11 is rotatably connected with one end portion, close to the half pouring cup, of the first base 8 and the upper portion of the connecting piece 11 is rotatably connected with one end portion of the handle 9 through a pin shaft, the other end portion of the handle 9 is connected with one end portion, far away from the half pouring cup, of the first base 8 through a bolt, and one end portion of the rocker 10 is rotatably connected with the middle portion of the first base 8 and the other end portion of the rocker 10 is rotatably connected with the handle 9 through a pin shaft. So design, another tip of handle 9 and keep away from for dismantling the connection between the one end of half pouring basin, through fixing another tip of handle 9 on first base 8, realize the fixed of pouring basin position, and then realize the compressing tightly of mould shell 6 position and fix. In the process of disassembling the die shell 6, the two half cylinder bodies are separated firstly, so that the two half pouring cup bodies are separated, then the other end part of the handle 9 on the right half cylinder body 3 is separated from the first base 8, and the other end part of the handle 9 is lifted, so that the connecting piece 11 and the right half pouring cup 5 fixedly connected with the connecting piece are rotated clockwise by a certain angle, and further the bottom of the right half pouring cup 5 pushes the upper part of the die shell 6 to a direction away from the right half cylinder body 3 by a certain distance, and the separation of the die shell 6 is facilitated.
Three mounting seats 12 are integrally and fixedly arranged on the upper surface of the first base 8, wherein the connecting piece 11, the handle 9 and the rocker 10 are correspondingly connected to the first base 8 through the three mounting seats 12.
The cylinder locking assembly comprises a hook 13, a U-shaped bolt 14, a pull buckle handle 15 and two second bases 16 fixedly arranged on the outer side wall of the right half cylinder 3, wherein one end of the pull buckle handle 15 is rotatably connected with one second base 16 close to the left half cylinder 2 through a pin shaft, the other end of the pull buckle handle 15 is connected with the other second base 16 through a bolt, two open ends of the U-shaped bolt 14 are simultaneously rotatably connected with one end part, close to the left half cylinder 2, of the pull buckle handle 15, the hook 13 is fixedly arranged on the outer side wall of the left half cylinder 2, and when the two half cylinders are butted into one cylinder, the U-shaped bolt 14 is connected with the hook 13 in a clamping manner.
So design, the quantity of barrel locking Assembly is preferred two, by last to the equipartition down at the barrel lateral wall, when guaranteeing two half barrel connection stability, reduces manufacturing cost. The other end of the tab handle 15 is detachably connected with the other second base 16, and in the process of clamping or separating the U-shaped bolt 14 and the hook 13, the other end of the tab handle 15 is separated from the second base 16 by detaching the bolt between the other end of the tab handle 15 and the other second base 16, and the tab handle 15 is rotated around a pin shaft at one end of the tab handle 15, so that the clamping and the separation between the U-shaped bolt 14 and the hook 13 are realized. Two open ends of the U-shaped bolt 14 are simultaneously and rotatably connected with one end part of the pull buckle handle 15 close to the left half barrel body 2, so that the position between the U-shaped bolt 14 and the hook 13 can be conveniently adjusted.
One end part of the pull buckle handle 15 close to the left half barrel body 2 is rotatably provided with a positioning pin 17 in a penetrating mode, two opening end parts of the U-shaped bolt 14 are respectively arranged at two end parts of the positioning pin 17 in a penetrating mode, each opening end part of the U-shaped bolt 14 is locked through two locking nuts 18 at the same time, and the two locking nuts 18 are respectively located on two sides of the positioning pin 17. By the design, the connecting strength between the U-shaped bolt 14 and the pull buckle handle 15 is ensured through the two locking nuts 18, and the connection stability between the two half cylinders is ensured in the rotating process along with the centrifugal disc 1.
The rotating assembly comprises two hinges 19 and a fixing screw rod 20 for connecting the two hinges 19, and the two half cylinders are correspondingly fixedly connected with the two hinges 19 and are rotationally connected through the fixing screw rod 20. The lower part of the fixing screw rod 20 is matched with a nut to axially lock the whole rotating assembly, and the left half cylinder 2 can rotate around the rotating assembly.
And the inner side wall and the inner bottom wall of each half cylinder are respectively provided with a heat-insulating lining 7, each heat-insulating lining 7 comprises an asbestos heat-insulating layer 7-1 and a ceramic fiber heat-insulating layer 7-2, and the asbestos heat-insulating layer 7-1 is positioned between the ceramic fiber heat-insulating layer 7-2 and the half cylinder. By the design, the asbestos insulation layer 7-1 is a high-temperature-resistant soft asbestos plate which has good heat insulation and heat preservation effects and can play a role in buffering the formwork 6, thereby being beneficial to improving the rotating stability of the whole device. The ceramic fiber heat insulation layer 7-2 is a ceramic fiber heat insulation base plate, is in direct contact with the formwork 6, has good heat insulation and fire resistance, higher cost performance and convenient disassembly, and plays roles in heat insulation, thermal shock resistance and heat preservation in the whole device.
The bottom of the pouring cup is an annular clamping platform structure matched with the top of the mould shell 6. The design is used for fixing the formwork 6 and preventing the formwork 6 from irregularly swinging under the action of centrifugal force.
A use method of a centrifugal casting heat preservation device for quickly positioning a formwork comprises the following steps:
firstly, opening the left half cylinder body 2 at a certain angle relative to the right half cylinder body 3, and enabling the left and right half pouring cups to be in a loose state through a handle 9 of a pouring cup locking assembly;
secondly, placing the heated mould shell 6 in the right half cylinder 3, butting the pouring position of the mould shell 6 with the bottom of a pouring cup, pressing the mould shell 6 tightly by pulling a handle 9 of a pouring cup locking assembly above the right half cylinder 3, fixing the mould shell 6, and fixing the other end part of the handle 9 to prevent the mould shell from being separated when the device rotates;
thirdly, closing the left half cylinder body and the right half cylinder body into a whole, pressing the mould shell 6 again by pulling the handle 9 of the sprue cup locking assembly above the left half cylinder body 2, and fixing the other end of the handle 9 to prevent the handle from being disengaged when the device rotates;
fourthly, the left half cylinder body and the right half cylinder body are locked in a butt joint mode through the cylinder body locking assembly, and the other end portion of the pull buckle handle 15 is fixed to prevent the pull buckle handle from being disengaged when the device rotates;
and fifthly, after the device is assembled, carrying out centrifugal casting on the non-ferrous metal investment precision casting, loosening the cylinder locking assembly after casting is finished, loosening the cast formwork 6 by using the handles 9 of the sprue cup locking assemblies above the left half cylinder and the right half cylinder, and removing the formwork 6 after loosening to finish one-time centrifugal casting. After the centrifugal casting is finished, the interior of the device is cleaned, and the possibly damaged heat-insulating lining 7 is repaired or replaced. When the formworks 6 with the same specification are poured for a plurality of times, only the convex parts of the formworks 6 need to be processed. No handling is required without affecting assembly.
Claims (9)
1. The utility model provides a centrifugal casting heat preservation device of quick location mould shell which characterized in that: the centrifugal plate comprises a centrifugal plate (1), a cylinder body, a pouring cup locking assembly and a cylinder body locking assembly, wherein the cylinder body comprises a left half cylinder body (2) and a right half cylinder body (3) which are oppositely arranged, the right half cylinder body (3) is vertically and fixedly arranged on the centrifugal plate (1), one side part of the left half cylinder body (2) is rotationally connected with one side part of the right half cylinder body (3) through a rotating assembly, the other side part of the left half cylinder body (2) is connected with the other side part of the right half cylinder body (3) through the cylinder body locking assembly,
the pouring cup comprises a left half pouring cup (4) and a right half pouring cup (5) which are oppositely arranged, the left half pouring cup (4) and the right half pouring cup (5) are correspondingly matched and penetrated at the top of the left half barrel (2) and the top of the right half barrel (3), the left half pouring cup (4) and the left half barrel (2) and the right half pouring cup (5) and the right half barrel (3) are fixedly connected through a pouring cup locking component respectively, the formwork (6) is arranged in the barrel, and the top of the formwork (6) is matched and connected with the bottom of the pouring cup;
the inner part of the cylinder body is provided with a heat-insulating lining (7).
2. The centrifugal casting heat preservation device of a quick positioning formwork of claim 1, characterized in that: the pouring cup locking assembly comprises a first base (8), a handle (9) and a rocker (10), a connecting piece (11) is fixedly arranged on the outer side wall of a corresponding half pouring cup, the first base (8) is fixedly arranged on the top end face of the corresponding half barrel, the lower portion of the connecting piece (11) is rotatably connected with one end portion, close to the half pouring cup, of the first base (8) and the upper portion of the connecting piece (11) is rotatably connected with one end portion of the handle (9) through a pin shaft respectively, the other end portion of the handle (9) is connected with one end portion, far away from the half pouring cup, of the first base (8) through a bolt, and one end portion of the rocker (10) is rotatably connected with the middle portion of the first base (8) and the other end portion of the rocker (10) is rotatably connected with the handle (9) through a pin shaft respectively.
3. The centrifugal casting heat preservation device of a quick positioning formwork of claim 2, characterized in that: three mounting seats (12) are integrally and fixedly arranged on the upper surface of the first base (8), wherein the connecting piece (11), the handle (9) and the rocker (10) are correspondingly connected to the first base (8) through the three mounting seats (12).
4. A centrifugally cast insulated apparatus for rapidly positioning a formwork as claimed in claim 2 or 3, wherein: the barrel locking assembly comprises a hook (13), a U-shaped bolt (14), a pull buckle handle (15) and two second bases (16) fixedly arranged on the outer side wall of the right half barrel (3), wherein one end of the pull buckle handle (15) is rotatably connected with one second base (16) close to the left half barrel (2) through a pin shaft, the other end of the pull buckle handle (15) is connected with the other second base (16) through a bolt, two open ends of the U-shaped bolt (14) are rotatably connected with one end part, close to the left half barrel (2), of the pull buckle handle (15), the hook (13) is fixedly arranged on the outer side wall of the left half barrel (2), and when the two half barrels are butted into one barrel, the U-shaped bolt (14) is connected with the hook (13) in a clamping mode.
5. The centrifugal casting heat preservation device of a quick positioning formwork of claim 4, wherein: one end part of the pull buckle handle (15) close to the left half barrel body (2) rotates to penetrate through a positioning pin (17), two opening end parts of the U-shaped bolt (14) penetrate through two end parts of the positioning pin (17) respectively, each opening end part of the U-shaped bolt (14) is locked through two locking nuts (18) simultaneously, and the two locking nuts (18) are located on two sides of the positioning pin (17) respectively.
6. The centrifugal casting heat preservation device of a quick positioning formwork of claim 5, wherein: the rotating assembly comprises two hinges (19) and fixing screw rods (20) for connecting the two hinges (19), and the two half cylinders are fixedly connected with the two hinges (19) correspondingly and are rotationally connected through the fixing screw rods (20).
7. The centrifugal casting heat preservation device of a quick positioning formwork of claim 5, wherein: the inner side wall and the bottom inner wall of each half cylinder are provided with heat insulation linings (7), each heat insulation lining (7) comprises an asbestos heat insulation layer (7-1) and a ceramic fiber heat insulation layer (7-2), and the asbestos heat insulation layers (7-1) are located between the ceramic fiber heat insulation layers (7-2) and the half cylinders.
8. The centrifugal casting heat preservation device of a quick positioning formwork of claim 7, wherein: the bottom of the pouring cup is an annular clamping platform structure matched with the top of the mould shell (6).
9. A method for using a centrifugal casting heat preservation device of a rapid positioning formwork in any one of claims 4 to 8 comprises the following steps:
firstly, opening a left half cylinder body (2) at a certain angle relative to a right half cylinder body (3), and enabling a left half pouring cup and a right half pouring cup to be in a loose state through a handle (9) of a pouring cup locking assembly;
secondly, placing the heated mould shell (6) in the right half cylinder body (3), butting the pouring gate position of the mould shell (6) with the bottom of a pouring cup, pressing the mould shell (6) by pulling a handle (9) of a pouring cup locking assembly above the right half cylinder body (3), fixing the mould shell (6), and fixing the other end of the handle (9) to prevent the mould shell from being separated when the device rotates;
thirdly, closing the left half cylinder body and the right half cylinder body into a whole, pressing the mould shell (6) again by pulling a handle (9) of the sprue cup locking assembly above the left half cylinder body (2), and fixing the other end part of the handle (9) to prevent the handle from being disengaged when the device rotates;
fourthly, the left half cylinder body and the right half cylinder body are locked in a butt joint mode through the cylinder body locking assembly, and the other end portion of the pull buckle handle (15) is fixed to prevent the pull buckle handle from being disengaged when the device rotates;
fifthly, after the device is assembled, centrifugal casting of the non-ferrous metal investment precision casting is carried out, after casting is finished, the barrel locking assembly is firstly loosened, the mold shell (6) after casting is loosened by using the handles (9) of the sprue cup locking assemblies above the left half barrel and the right half barrel, and after the mold shell (6) is loosened, the mold shell is moved away, so that one-time centrifugal casting is finished.
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FR2604933A1 (en) * | 1986-09-25 | 1988-04-15 | Vallourec | DEVICE FOR THE INTRODUCTION OF A FLUID IN THE ROOFING CHAMBER OF A ROTARY MOLD |
CN202207785U (en) * | 2011-07-18 | 2012-05-02 | 浙江华辰电器股份有限公司 | Centrifuge casting apparatus of motor rotor squirrel cage |
CN206527326U (en) * | 2016-12-24 | 2017-09-29 | 江苏万恒铸业有限公司 | One 1 grade of seed nucleus impeller of pump formwork centrifugal casting device |
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