CN215392374U

CN215392374U - Centrifugal machine for investment precision casting thin-wall part

Info

Publication number: CN215392374U
Application number: CN202121665231.6U
Authority: CN
Inventors: 乔杰邦
Original assignee: Kennametal Stellite Shanghai Co Ltd
Current assignee: Kennametal Stellite Shanghai Co Ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-04
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to the technical field of investment casting, in particular to a centrifugal machine for precision investment casting of thin-walled parts, which comprises casting equipment, wherein the casting equipment comprises a workbench frame, a centrifugal machine body and a casting assembly are embedded and connected in the workbench frame, the casting assembly comprises a splash-proof cover, the top end of the workbench frame is connected with the splash-proof cover, the bottom end of the splash-proof cover is connected with a plane shaft sleeve, a pouring gate is embedded and connected in the splash-proof cover, the top end of the pouring gate is connected with a pouring cup, and balls are embedded and connected in the plane shaft sleeve. When the centrifugal machine works, molten steel is injected from the fixed sprue cup, finally enters a casting product through the pouring channel, the casting product is placed in the fixed leakage-proof container close to the outer circle of the centrifugal machine body and rotates at a set speed along with the centrifugal machine body, the molten steel can be filled to the sharp corner and the thin wall of the thin-wall part through centrifugal force, and the defect of insufficient casting of the thin-wall part is greatly reduced.

Description

Centrifugal machine for investment precision casting thin-wall part

Technical Field

The utility model relates to the technical field of investment casting, in particular to a centrifugal machine for precisely casting a thin-wall part by an investment.

Background

When the investment casting is carried out, a hot-mold gravity casting method is adopted for casting and molding, which is the most widely used casting form, namely, after a shell is taken out from a roasting furnace, casting is carried out at high temperature, and at the moment, metal is slowly cooled in the shell and can fill a casting mold under the condition of high fluidity, so that the shape of a cavity can be well copied for a casting, and the precision of the casting is improved.

However, the slow cooling of the casting in the hot mold can make the crystal grains coarse, which reduces the mechanical properties of the casting, and when the compact casting is cast, the defect of insufficient casting of the thin-wall part exists, which further causes the precision of the cast to be reduced, and the casting with higher casting precision has great difficulty, so that a centrifuge for investment precision casting of the thin-wall part is needed to be designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a centrifugal machine for investment casting of thin-wall parts, which aims to solve the problem of insufficient casting of the thin-wall parts in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a centrifuge for investment casting thin-walled parts comprising:

the casting equipment comprises a workbench frame, and a centrifuge body is embedded and connected in the workbench frame;

the casting subassembly, the casting subassembly is including preventing the cover that splashes, the top of workstation frame is connected with prevents the cover that splashes, the bottom of preventing the cover that splashes is connected with the plane axle sleeve, the inside embedding of preventing the cover that splashes is connected with waters, the top of watering is connected with the pouring basin, the inside embedding of plane axle sleeve is connected with the ball, the internal connection of ball has the inner ring, the top of inner ring is connected with the casting mesa, the upper end of casting mesa is connected with the leak protection container, the inside embedding of leak protection container is connected with the casting product.

Preferably, the workbench frame is connected with the anti-splashing cover through a plane shaft sleeve, and the anti-splashing cover is rotatably connected with the workbench frame.

Preferably, the output end of the centrifuge body penetrates through the plane shaft sleeve and extends into the anti-splashing cover, and the centrifuge body is fixedly connected with the casting table top.

Preferably, the pouring gate is communicated with the pouring cup, four groups of leakage-proof containers are arranged right below the pouring gate, and the pouring gate is provided with four groups.

Preferably, the upper end of the casting table top is provided with an installation component, the installation component comprises an installation groove, the upper end of the casting table top is provided with the installation groove, the installation groove is embedded into the installation groove and is connected with an anti-slip strip, the installation groove is provided with a clamping groove, and the top surface of the casting table top is connected with a limiting bead.

Preferably, the bottom surface of the leakage-proof container is provided with a groove, the bottom end of the leakage-proof container is provided with a through groove, a spring is embedded and connected in the through groove, the top end of the spring is connected with a limiting disc, and the top end of the limiting disc is connected with a limiting ejecting bead.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the centrifugal machine for precisely casting the thin-wall part by the investment mold works, molten steel is injected from a fixed sprue cup, finally enters a casting product through a pouring gate, the casting product is placed in a fixed leakage-proof container close to the outer circle of the centrifugal machine body and rotates at a set speed along with the centrifugal machine body, the molten steel can be filled to the sharp corner and the thin wall of the thin-wall part through centrifugal force, and the defect of insufficient casting of the thin-wall part is greatly reduced.

2. This centrifuge for fired mold precision casting thin wall part is after the casting, through dismantling leak protection container, takes out its inside fashioned product, also can be more convenient in the operation, meanwhile cleans the remaining piece of the inner wall of leak protection container through dismantling the convenience, and the maintenance in later stage also can be more convenient.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic top view of a planar sleeve for a casting table according to the present invention;

FIG. 3 is a schematic perspective view of the mounting groove and the anti-slip strip of the present invention;

fig. 4 is a schematic perspective exploded view of the leak-proof container and spring of the present invention.

In the figure: 1. casting equipment; 110. a working bench; 120. a centrifuge body; 2. casting the component; 210. a splash guard; 220. a planar shaft sleeve; 230. a pouring channel; 240. a pouring cup; 250. a leak-proof container; 260. casting a product; 270. a ball bearing; 280. an inner ring; 290. casting a table top; 3. mounting the component; 310. mounting grooves; 320. anti-slip strips; 330. a card slot; 340. a limiting bead; 350. a groove; 360. a through groove; 370. a spring; 380. a limiting disc; 390. and limiting top beads.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown:

a centrifuge for investment casting thin-walled parts comprising:

the casting device 1, the casting device 1 includes a working bench 110, a centrifuge body 120 is embedded and connected in the working bench 110;

the casting assembly 2 comprises a splash guard 210, the top end of the workbench stand 110 is connected with the splash guard 210, the bottom end of the splash guard 210 is connected with a plane shaft sleeve 220, the inner portion of the splash guard 210 is connected with a pouring gate 230 in an embedded manner, the top end of the pouring gate 230 is connected with a pouring cup 240, the inner portion of the plane shaft sleeve 220 is connected with a ball 270 in an embedded manner, the inner portion of the ball 270 is connected with an inner ring 280, the top end of the inner ring 280 is connected with a casting table top 290, the upper end of the casting table top 290 is connected with a leakage-proof container 250, the inner portion of the leakage-proof container 250 is connected with a casting product 260 in an embedded manner, when the centrifuge body 120 rotates, the casting table top 290 is driven to rotate, the leakage-proof container 250, the casting product 260 and the pouring gate 230 are driven to synchronously operate, and the filling capacity of molten steel at the thin wall and the sharp corner of the thin wall part is increased through centrifugal force under the effect of synchronous transportation, and then produce the high product of precision, reduce the production of wastrel, reduced the operation cost.

Further, the work bench 110 is connected with the splash guard 210 through the flat shaft sleeve 220, the splash guard 210 is rotatably connected with the work bench 110, and the centrifuge body 120 is driven to synchronously operate, so that casting molding is performed through the generated centrifugal force.

Further, the output end of the centrifuge body 120 penetrates through the plane shaft sleeve 220 and extends into the anti-splash cover 210, the centrifuge body 120 is fixedly connected with the casting table 290, transmission is carried out through rotation of the centrifuge body 120, molten steel flows out of the thin wall of a part to be filled, and the filling capacity refers to the capacity of filling liquid metal into a casting mold cavity to obtain a thin and complex casting with accurate size, clear outline, complete shape.

Further, the pouring gate 230 is communicated with the pouring cup 240, the leakage-proof containers 250 are arranged under the pouring gate 230, four groups of leakage-proof containers 250 are arranged, the pouring gate 230 is provided with four groups, and four groups of leakage-proof containers 230 and four groups of pouring cup 240 are arranged, so that four groups of products can be formed simultaneously after one-time casting, the working efficiency is improved, and the working schedule is improved.

Further, installation component 3 has been seted up to the upper end of casting table top 290, installation component 3 includes mounting groove 310, mounting groove 310 has been seted up to the upper end of casting table top 290, the inside embedding of mounting groove 310 is connected with antislip strip 320, draw-in groove 330 has been seted up to the inside of mounting groove 310, the top surface of casting table top 290 is connected with spacing pearl 340, recess 350 has been seted up to the bottom surface of leak protection container 250, logical groove 360 has been seted up to the bottom of leak protection container 250, the inside embedding that leads to groove 360 is connected with spring 370, the top of spring 370 is connected with spacing dish 380, the top of spacing dish 380 is connected with spacing top pearl 390, after the casting, fashioned product embedding is in the inside of leak protection container 250, through dismantling leak protection container 250, conveniently take out the product that plays inside, the drawing of patterns operation has been made things convenient for, in addition in the maintenance of later stage, also can be very convenient.

The working principle is as follows: in the product casting molding operation, molten steel is cast into the pouring gate 230 from the fixed pouring cup 240, wherein the molten steel flows into the leakage-proof container 250 through the pouring gate 230, the cast product 260 is placed in the fixed leakage-proof container 250 close to the outer circle of the centrifuge and rotates at a set speed along with the centrifuge body 120, the molten steel can be filled to the sharp corners and the thin walls of the thin-wall parts through centrifugal force, the defect of insufficient casting of the thin-wall parts is greatly reduced, when the leakage-proof container 250 performs circular motion, splashing of the steel industry is avoided, the rotating speed is controlled, meanwhile, splashing of the molten steel is prevented under the protection of the splashing-proof cover 210, and the operation safety is improved;

in addition after the molten steel shaping, through dismantling leak protection container 250, conveniently demold it, in carrying out the drawing of patterns operation, through sliding leak protection container 250 in the upper end of mounting groove 310, after leak protection container 250 imbeds the inside of mounting groove 310, the removal of position has about having restricted leak protection container 250 through mounting groove 310, the connection has been increaseed under the effect of antislip strip 320, dismantle leak protection container 250, separate between spacing pearl 340 and the recess 350, separate between spacing top pearl 390 and the draw-in groove 330 in addition, can dismantle leak protection container 250.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A centrifugal machine for investment casting of thin-wall parts is characterized by comprising:

the casting device (1) comprises a workbench frame (110), and a centrifuge body (120) is embedded and connected in the workbench frame (110);

the casting assembly (2), the casting assembly (2) is including preventing splash guard (210), the top of workstation frame (110) is connected with prevents splash guard (210), the bottom of preventing splash guard (210) is connected with plane axle sleeve (220), the inside embedding of preventing splash guard (210) is connected with waters (230), the top of watering (230) is connected with runner cup (240), the inside embedding of plane axle sleeve (220) is connected with ball (270), the inside connection of ball (270) has inner ring (280), the top of inner ring (280) is connected with casting table face (290), the upper end of casting table face (290) is connected with leak protection container (250), the inside embedding of leak protection container (250) is connected with casting product (260).

2. The centrifuge for investment casting thin-walled parts of claim 1, wherein: the working bench (110) is connected with the splash guard (210) through a plane shaft sleeve (220), and the splash guard (210) is rotatably connected with the working bench (110).

3. The centrifuge for investment casting thin-walled parts of claim 1, wherein: the output end of the centrifuge body (120) penetrates through the plane shaft sleeve (220) and extends to the inner part of the splash-proof cover (210), and the centrifuge body (120) is fixedly connected with the casting table top (290).

4. The centrifuge for investment casting thin-walled parts of claim 1, wherein: the pouring gate (230) is communicated with the pouring gate cup (240), four groups of leakage-proof containers (250) are arranged right below the pouring gate (230), and the pouring gate (230) is provided with four groups.

5. The centrifuge for investment casting thin-walled parts of claim 1, wherein: the mounting component (3) has been seted up to the upper end of casting table face (290), mounting component (3) include mounting groove (310), mounting groove (310) have been seted up to the upper end of casting table face (290), the inside embedding of mounting groove (310) is connected with antislip strip (320), draw-in groove (330) have been seted up to the inside of mounting groove (310), the top surface of casting table face (290) is connected with spacing pearl (340).

6. The centrifuge for investment casting thin-walled parts of claim 1, wherein: the bottom surface of the leak-proof container (250) is provided with a groove (350), the bottom end of the leak-proof container (250) is provided with a through groove (360), a spring (370) is embedded into the through groove (360), the top end of the spring (370) is connected with a limiting disc (380), and the top end of the limiting disc (380) is connected with a limiting top bead (390).