CN-119897445-B - Bidirectional centrifugal casting machine

Abstract

The invention relates to the technical field of casting, in particular to a bidirectional centrifugal casting machine, which comprises a shell, wherein a working cavity is arranged in the shell, a rotating disc is rotationally arranged at the lower side of the shell, a rotating support is arranged at the upper side of the rotating disc, the rotating support is circumferentially distributed around the axis of the rotating disc, a lower die frame and an upper die frame are rotationally arranged on the rotating support, the lower die frame and the upper die frame are combined to form a forming cavity, molten metal is diffused to the periphery through the working cavity, a guide body, the lower die frame and the like, molten metal flows into the forming cavity through the guide body, and the rotating disc provides flowing power for the molten metal to enter the forming cavity, so that product defects of castings caused by incomplete filling can be reduced.

Inventors

• YAN XIAO

Assignees

• 浙江工业大学之江学院

Dates

Publication Date

20260508

Application Date

20250313

Claims (6)

1. 1. The bidirectional centrifugal casting machine comprises a shell and is characterized in that a working cavity is arranged in the shell, a rotating disc is rotationally arranged on the lower side of the shell, a rotating support is arranged on the upper side of the rotating disc, the rotating support is circumferentially distributed around the axis of the rotating disc, a lower die frame and an upper die frame are rotationally arranged on the rotating support, a forming cavity is formed by combining the lower die frame and the upper die frame, a current guiding body is arranged at the central position of the rotating disc, a central groove is arranged in the current guiding body, current guiding bodies are circumferentially distributed and communicated with each other, the current guiding bodies are respectively communicated with the forming cavity, an annular sliding groove is arranged in the wall of the working cavity, an annular body is rotationally arranged in the annular sliding groove, teeth are arranged outside the annular body, an intermediate gear is rotationally arranged on the rotating disc, the intermediate gear is circumferentially distributed around the axis of the rotating disc, the intermediate gear is meshed with the teeth on the inner side of the annular body, a first bevel gear is arranged on the shaft of the intermediate gear, a second bevel gear is meshed with the first bevel gear, the shaft of the second bevel gear is connected with a transmission shaft, and the inner end part of the transmission shaft is connected with the lower end part of the die frame; The shell is provided with a locking groove, the locking groove is communicated with the annular chute, a locking plate is arranged in the locking groove in a sliding mode, teeth are arranged on the inner side of the locking plate, the teeth of the locking plate can clamp the teeth on the outer side of the annular body, a locking telescopic rod is hinged in a side wall body of the locking groove, an extension body is arranged on the outer side of the locking plate, and a shaft of the locking telescopic rod is in rotary connection with the extension body; Molten metal is injected into the flow guide body, the rotating disc rotates in the working cavity, the rotating disc drives the lower die frame and the upper die frame to rotate, the annular body is locked, the rotating disc drives surrounding intermediate gears to rotate relative to the annular body, the intermediate gears drive first bevel gears to rotate, the first bevel gears drive second bevel gears to rotate, the second bevel gears drive the transmission shaft to rotate, and the transmission shaft drives the lower die frame and the upper die frame to rotate in a rotating groove of the rotating support, so that two-direction rotation functions are realized.
2. 2. The bidirectional centrifugal casting machine according to claim 1, wherein the housing is provided with a power groove, the power groove is communicated with the annular chute, a power motor is installed in the power groove, a driving gear is arranged on a shaft of the power motor, and the driving gear is meshed with teeth on the outer side of the annular body.
3. 3. The bidirectional centrifugal casting machine according to claim 1, wherein the upper side of the upper die frame is communicated with a pressure relief pipe, mounting frames are arranged on two sides of the upper die frame and the lower die frame, the upper die frame and the lower die frame can be connected with each other, a custom die is arranged in the forming cavity, and the custom die comprises an upper die set and a lower die set.
4. 4. The bidirectional centrifugal casting machine according to claim 1, wherein a supporting base is arranged on the lower side of the shell, a motor frame is arranged on the lower side of the shell, a power motor is arranged in the middle of the motor frame, and a shaft of the power motor is connected with the shaft center position of the rotating disc.
5. 5. The bidirectional centrifugal casting machine according to claim 1, wherein an upper cover is arranged on the upper side of the shell, a funnel is arranged on the upper side of the upper cover, a through groove is arranged in the funnel, and the through groove of the funnel is communicated with a central groove of the current-conducting body.
6. 6. The two-way centrifugal casting machine according to claim 1, wherein a transmission shaft bracket is arranged on the upper side of the rotating disc near the transmission shaft, and a hole of the transmission shaft bracket is rotationally connected with the transmission shaft.

Description

Bidirectional centrifugal casting machine Technical Field The invention relates to the technical field of casting, in particular to a bidirectional centrifugal casting machine. Background The centrifugal casting machine is divided into 3 types of horizontal centrifugal casting machines, namely, vertical centrifugal casting machines and inclined centrifugal casting machines, wherein the horizontal centrifugal casting machines are mainly used for casting various tubular castings, in addition, large-caliber copper rollers for the paper making machines can be cast, the vertical centrifugal casting machines are mainly used for producing various annular castings and smaller non-circular castings, metal crystallization is sequentially carried out from a casting wall to the inner surface of the castings step by step under the driving of centrifugal force, cooling crystallization with certain directivity is carried out, metal liquid is thrown to the casting side wall under the driving of centrifugal force, casting defects such as air holes, shrinkage cavities and the like are bridged under the effect of pressure, the same traditional centrifugal casting has some problems, the duration of the tubular castings has transverse cracks, and the partial position filling is incomplete. Disclosure of Invention The object of the present invention is to provide a two-way centrifugal casting machine which overcomes the above-mentioned drawbacks of the prior art. The invention is realized by the following technical scheme. The invention discloses a bidirectional centrifugal casting machine, which comprises a shell, wherein a working cavity is arranged in the shell, a rotary disc is rotationally arranged on the lower side of the shell, a rotary support is arranged on the upper side of the rotary disc, the rotary support is circumferentially distributed around the axis of the rotary disc, a rotary groove is arranged in the rotary support, a lower die frame and an upper die frame are rotationally arranged in the rotary groove of the rotary support, a forming cavity is formed by combining the lower die frame and the upper die frame, a guide body is arranged in the center of the rotary disc, a central groove is arranged in the guide body, guide pipes are circumferentially distributed and communicated, the guide pipes are respectively communicated with the forming cavity, an annular chute is arranged on the wall of the working cavity, an annular body is rotationally arranged in the annular chute, teeth are arranged outside the annular body, an intermediate gear is rotationally arranged on the upper side of the rotary disc, the intermediate gear is circumferentially distributed around the axis of the rotary disc, the intermediate gear is meshed with the teeth on the inner side of the annular body, a first bevel gear is arranged on the shaft of the intermediate gear, a second bevel gear is arranged in a meshed manner, the shaft of the second bevel gear is arranged on the inner side of the intermediate gear, the shaft is connected with the transmission shaft, the inner side of the second bevel gear is provided with the transmission shaft, and the end part of the transmission shaft is connected with the lower end part of the lower die frame. Further technical scheme, the shell is equipped with the locking groove, the locking groove with annular spout intercommunication, the locking groove is slided and is equipped with the locking plate, the locking plate inboard is equipped with the tooth, the tooth of locking plate can block the tooth in the annular body outside, the internal articulated locking telescopic link that is equipped with of locking groove side wall, the locking plate outside is equipped with the extension, the axle of locking telescopic link with the extension rotates to be connected. According to a further technical scheme, the shell is provided with a power groove, the power groove is communicated with the annular chute, a power motor is installed in the power groove, a driving gear is arranged on a shaft of the power motor, and the driving gear is meshed with teeth on the outer side of the annular body. Further technical scheme, upward the die carrier upside intercommunication is equipped with the pressure release pipe, go up the die carrier with lower die carrier both sides are equipped with the mounting bracket, upper and lower can interconnect between the mounting bracket, install the customization mould in the shaping die cavity, the customization mould includes two sets of moulds from top to bottom. According to a further technical scheme, a supporting base is arranged on the lower side of the shell, a motor frame is arranged on the lower side of the shell, a power motor is arranged in the middle of the motor frame, and a shaft of the power motor is connected with the shaft center of the rotating disc. Further technical scheme, the shell upside is equipped with the upper cover, the upper cover upside is equipped with