Centrifugal casting machine

By introducing sealing and regulating devices into the centrifugal casting machine, the problem of liquid metal jetting was solved, and a safe and efficient centrifugal casting process was achieved.

CN223718268UActive Publication Date: 2025-12-26ZHEJIANG EASTERN HOBAS PIPES CO LTD
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Patent Information

Application Number
CN202520004214.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2025-12-26
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

Existing centrifugal casting machines lack sealing devices, which causes molten metal to easily fly out during rotational casting, endangering the safety of operators.

Method used

A centrifugal casting machine was designed, which includes a centrifugal casting device, a sealing device, a left-right adjustment device, and a front-back adjustment device. The machine achieves precise alignment of the sealing block and sealing of the centrifugal cylinder by driving a threaded rod and bevel gears through a motor drive. Combined with a belt drive system to drive the centrifugal cylinder to rotate, the casting of liquid metal is completed.

Benefits of technology

It effectively prevents liquid metal from flying out, ensures operational safety, and improves the reliability and efficiency of centrifugal casting.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a centrifugal casting machine. A funnel used for adding liquid metal into a centrifugal assembly is arranged at the top end of a sealing block. A second driving assembly used for driving the left-right adjusting assembly to drive the front-back adjusting device to move left and right is arranged in the base. A front-back adjusting assembly used for driving the sealing device to move front and back is arranged in the fixing frame, and idler wheels used for assisting the fixing frame in moving are arranged at the bottom end of the fixing frame. A motor III drives a threaded rod II to rotate, so that a sealing block can be controlled to align to the middle of the centrifugal cylinder; then a first threaded rod is controlled by a second motor to synchronously rotate along with a transmission shaft, so that a threaded sleeve plate can be driven to move rightwards along the first threaded rod, a centrifugal barrel can be sealed through a sealing block, liquid metal is added into the centrifugal barrel along a funnel, and then a first belt wheel is driven by a first motor to rotate; the rotating shaft can be driven to drive the centrifugal barrel to rotate, and the centrifugal barrel rotating at a high speed is used for conducting centrifugal casting on liquid metal.
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Description

TECHNICAL FIELD

[0001] The utility model relates to casting machine technical field especially is related to a centrifugal casting machine. BACKGROUND

[0002] Centrifugal casting machine is the casting method that liquid metal is poured into rotating mould, fills the mould and solidifies into castings under the action of centrifugal force, and centrifugal casting machine is divided into horizontal type, vertical type and inclined type three kinds. Among them, the horizontal centrifugal casting machine is mainly used for pouring various tubular castings, such as water pipe and gas pipe of gray cast iron nodular cast iron, and the minimum pipe diameter is 75mm, and the maximum can reach 3000mm. In addition, large-diameter copper roller cylinders for paper machines, various carbon steel, alloy steel pipes and double-layer material steel rollers requiring different compositions of inner and outer layers can be poured. For example, as shown in a hollow type centrifugal casting machine shown in Chinese patent application No. CN202022375800.5, the top of the supporting base is fixedly connected with a supporting frame on the left side and at the rear position, the top of the supporting frame is movably connected with a connecting lug, the right side wall of the connecting lug is fixedly connected with a left cylinder, the inside of the left cylinder is provided with a control device, the top of the supporting base is fixedly connected with a rotating centrifugal motor at the front side position, the output end of the rotating centrifugal motor is fixedly connected with a power gear, the outer wall of the left cylinder is provided with a gear slot at the position opposite to the power gear, and the right side of the left cylinder is fixedly connected with a right cylinder through a connecting device.

[0003] However, when using the centrifugal cylinder to cast liquid metal, due to the lack of sealing device for the centrifugal cylinder, the liquid metal will be ejected from the centrifugal cylinder during rotation casting, which is more serious and can cause harm to the operator, thereby making it inconvenient to use the centrifugal cylinder to cast liquid metal. UTILITY MODEL CONTENTS

[0004] To solve the problem of the lack of sealing device for the centrifugal cylinder, which easily causes the liquid metal to be ejected from the centrifugal cylinder during rotation casting, which is more serious and can cause harm to the operator, thereby making it inconvenient to use the centrifugal cylinder to cast liquid metal, the utility model provides the following technical scheme:

[0005] A centrifugal casting machine, comprising a base, a centrifugal casting device for centrifugal casting of liquid metal is arranged above the base, a sealing device for sealing the centrifugal casting device is arranged on the left side of the centrifugal casting device, an auxiliary device for rotating the centrifugal casting device is arranged at the top end of the base, a left-right adjusting device for driving the sealing device to move left and right is arranged in the base, and a front-back adjusting device for driving the sealing device to move forward and backward is arranged on the left side of the base.

[0006] The centrifugal casting device comprises a centrifugal assembly arranged at the top of the auxiliary device for centrifugal casting of liquid metal, and a driving assembly one is arranged at the back of the centrifugal assembly for driving the rotation of the centrifugal assembly.

[0007] The sealing device comprises a sealing block arranged in the centrifugal assembly for sealing the centrifugal assembly, and the sealing block is in sliding connection with the centrifugal assembly, and a funnel is arranged at the top of the sealing block for adding liquid metal into the centrifugal assembly.

[0008] The left-right adjusting device comprises a left-right adjusting assembly arranged in the base for driving the left-right movement of the front-back adjusting device, and a driving assembly two is arranged in the base for driving the left-right movement of the left-right adjusting assembly.

[0009] The front-back adjusting device comprises a fixed frame fixedly connected with the left-right adjusting assembly, a front-back adjusting assembly is arranged in the fixed frame for driving the front-back movement of the sealing device, and a roller is arranged at the bottom of the fixed frame for assisting the movement of the fixed frame.

[0010] Further, the centrifugal assembly comprises a centrifugal cylinder arranged at the top of the auxiliary device for rotation, and three grooves are arranged on the cylinder body of the centrifugal cylinder for rotation of the auxiliary device.

[0011] Further, the driving assembly one comprises a rotating shaft fixedly installed at the right end of the centrifugal cylinder, a belt pulley two is arranged on the shaft body of the rotating shaft, a supporting frame is arranged on the shaft body of the rotating shaft for supporting the rotating shaft, a belt pulley one is arranged at the back of the belt pulley two for connection with the belt pulley two through a belt, and a motor one is fixedly installed at the left end of the belt pulley one for driving the rotation of the belt pulley one.

[0012] Further, the driving assembly two comprises a transmission shaft arranged in the base for rotation, a motor two is fixedly installed at the front end of the transmission shaft for driving the rotation of the transmission shaft, and a bevel gear one is fixedly installed at the back end of the transmission shaft for driving the rotation of the left-right adjusting assembly.

[0013] Further, the left-right adjusting assembly comprises a threaded rod one arranged in the base for rotation, a threaded sleeve plate for left-right movement is threadedly connected to the rod body of the threaded rod one, a supporting rod for left-right movement of the fixed frame is fixedly installed at the left end of the threaded sleeve plate, and the supporting rod has four.

[0014] Further, the front-back adjusting assembly comprises a threaded rod two arranged in the fixed frame for rotation, a motor three is fixedly installed at the back end of the threaded rod two for driving the rotation of the threaded rod two, a moving block for front-back movement is threadedly connected to the rod body of the motor three, and a connecting column for supporting the sealing block is fixedly installed at the top of the moving block.

[0015] Further, the auxiliary device comprises a support frame fixedly installed at the top end of the base, an auxiliary wheel for assisting the rotation of the centrifugal cylinder is movably connected in the support frame, and the auxiliary wheel moves in the groove.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] By setting the centrifugal casting device, the sealing device, the left-right adjusting device and the front-rear adjusting device, when the liquid metal needs to be cast by the centrifugal cylinder, the sealing block at the top end of the connecting column can be aligned with the middle part of the centrifugal cylinder by rotating the threaded rod 2 driven by the motor 3; then the transmission shaft is controlled to rotate by the motor 2, and under the meshing connection of the bevel gear 1 and the bevel gear 2, the threaded rod 1 is synchronously rotated with the transmission shaft, so that the threaded sleeve plate can be driven to move to the right along the threaded rod 1, the sealing block can be sealed to the centrifugal cylinder, the liquid metal can be added into the centrifugal cylinder along the funnel, the pulley 1 is driven to rotate by the motor 1, and under the belt connection between the pulley 1 and the pulley 2, the rotating shaft can drive the centrifugal cylinder to rotate, and the liquid metal can be centrifugally cast by the high-speed rotating centrifugal cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a whole structure schematic view of the utility model;

[0019] Figure 2 It is a base sectional view of the utility model;

[0020] Figure 3 It is a centrifugal casting device structure schematic view of the utility model;

[0021] Figure 4 It is a left-right adjusting device structure schematic view of the utility model;

[0022] Figure 5 It is a front-rear adjusting device structure schematic view of the utility model.

[0023] In the drawings, the names of the parts represented by the reference signs are listed as follows:

[0024] 100-base;

[0025] 200-centrifugal casting device, 210-centrifugal assembly, 211-centrifugal cylinder, 212-groove, 220-driving assembly 1, 221-motor 1, 222-pulley 1, 223-support frame, 224-pulley 2, 225-rotating shaft;

[0026] 300-sealing device, 310-sealing block, 320-funnel;

[0027] 400 - left-right adjusting device, 410 - driving assembly two, 411 - motor two, 412 - transmission shaft, 413 - bevel gear one, 420 - left-right adjusting assembly, 421 - threaded rod one, 422 - bevel gear two, 423 - threaded sleeve plate, 424 - support rod;

[0028] 500 - front-back adjusting device, 510 - fixed frame, 520 - front-back adjusting assembly, 521 - motor three, 522 - threaded rod two, 523 - moving block, 524 - connecting column, 530 - roller;

[0029] 600 - auxiliary device, 610 - support frame, 620 - auxiliary wheel. DETAILED DESCRIPTION

[0030] The preferred specific embodiments for realizing the utility model are described in detail below, and clear and complete descriptions are made in combination with the drawings.

[0031] Please refer to Figures 1-5 The utility model provides a centrifugal casting machine.

[0032] Including base 100, the top of base 100 is provided with the centrifugal casting device 200 for carrying out centrifugal casting to liquid metal, the left side of centrifugal casting device 200 is provided with the sealing device 300 for sealing centrifugal casting device 200, the top of base 100 is provided with the auxiliary device 600 for the rotation of centrifugal casting device 200, the inside of base 100 is provided with the left-right adjusting device 400 for driving sealing device 300 left and right movement, the left side of base 100 is provided with the front-back adjusting device 500 for driving sealing device 300 forward and backward movement.

[0033] Centrifugal casting device 200 includes the centrifugal assembly 210 for carrying out centrifugal casting to liquid metal and is arranged at the top of auxiliary device 600, and the rear side of centrifugal assembly 210 is provided with the driving assembly one 220 for driving centrifugal assembly 210 rotation.

[0034] Centrifugal assembly 210 includes the centrifugal barrel 211 for rotation and is arranged at the top of auxiliary device 600, and the barrel body of centrifugal barrel 211 is provided with the recess 212 for the rotation of auxiliary device 600, and the recess 212 has three, and three recesses 212 are linearly arrayed on the barrel body of centrifugal barrel 211.

[0035] The driving assembly 220 comprises a rotating shaft 225 fixedly installed at the right end of the centrifugal cylinder 211, a belt pulley 224 arranged on the shaft body of the rotating shaft 225, a supporting frame 223 arranged on the shaft body of the rotating shaft 225 for supporting the rotating shaft 225, and the rotating shaft 225 is connected with the supporting frame 223 through a bearing to facilitate the rotation of the rotating shaft 225; the rear side of the belt pulley 224 is provided with a belt pulley 222 for connecting with the belt pulley 224 through a belt, and the left end of the belt pulley 222 is fixedly installed with a motor 221 for driving the belt pulley 222 to rotate; so that when the liquid metal needs to be cast by the centrifugal cylinder 211, the belt pulley 222 can be driven to rotate by the motor 221, and the rotating shaft 225 can drive the centrifugal cylinder 211 to rotate under the connection of the belt between the belt pulley 222 and the belt pulley 224, and the liquid metal can be centrifugally cast by the high-speed rotating centrifugal cylinder 211.

[0036] The sealing device 300 comprises a sealing block 310 arranged in the centrifugal assembly 210 for sealing the centrifugal assembly 210, and the sealing block 310 is in sliding connection with the centrifugal assembly 210, and the sealing block 310 is in the form of a ladder, and the sealing block 310 is in sliding connection with the inner cavity of the centrifugal cylinder 211, and the top end of the sealing block 310 is provided with a hopper 320 for adding liquid metal into the centrifugal assembly 210; so that when the liquid metal needs to be cast by the centrifugal cylinder 211, the sealing block 310 can be aligned with the cylinder body of the centrifugal cylinder 211 through the front and rear adjusting device 500, and then the sealing block 310 can be inserted into the centrifugal cylinder 211 through the left and right adjusting device 400, and the liquid metal can be added into the centrifugal cylinder 211 along the hopper 320; then the belt pulley 222 can be driven to rotate by the motor 221, and the rotating shaft 225 can be driven to rotate under the connection of the belt between the belt pulley 222 and the belt pulley 224, and the liquid metal can be centrifugally cast by the high-speed rotating centrifugal cylinder 211.

[0037] The left and right adjusting device 400 comprises a left and right adjusting assembly 420 arranged in the base 100 for driving the front and rear adjusting device 500 to move left and right, and the base 100 is provided with a driving assembly 410 for driving the left and right adjusting assembly 420 to drive the front and rear adjusting device 500 to move left and right.

[0038] The driving assembly 410 comprises a transmission shaft 412 arranged in the base 100 for rotation, and the shaft body of the transmission shaft 412 is connected with the base 100 through a bearing to facilitate the rotation of the transmission shaft 412; the front end of the transmission shaft 412 is fixedly installed with a motor 411 for driving the transmission shaft 412 to rotate, and the rear end of the transmission shaft 412 is fixedly installed with a bevel gear 413 for driving the left and right adjusting assembly 420 to rotate.

[0039] The left-right adjusting assembly 420 comprises a threaded rod 421 arranged in the base 100 for rotation, a bevel gear 422 fixedly installed on the rod body of the threaded rod 421 for engaging with the bevel gear 413, a threaded sleeve plate 423 threadedly connected to the rod body of the threaded rod 421 for left-right movement, and the threaded sleeve plate 423 is the same in shape and size as the cavity of the base 100, so as to facilitate the threaded sleeve plate 423 to always move left and right along the rod body of the threaded rod 421 under the rotation of the threaded rod 421; the left end of the threaded sleeve plate 423 is fixedly installed with four support rods 424 for driving the fixed frame 510 to move left and right, and the four support rods 424 are arranged in a circular array and penetrate the left end of the base 100; so that when it is needed to seal the centrifugal cylinder 211 with the sealing block 310, the motor 411 can be controlled to rotate the transmission shaft 412, and under the engagement of the bevel gear 413 and the bevel gear 422, the threaded rod 421 can be driven to rotate synchronously with the transmission shaft 412, so that the threaded sleeve plate 423 can be driven to move right along the threaded rod 421, and the sealing block 310 can be sealed to the centrifugal cylinder 211, and the liquid metal can be added into the centrifugal cylinder 211 along the funnel 320.

[0040] The front-back adjusting device 500 comprises a fixed frame 510 fixedly connected with the left-right adjusting assembly 420, the fixed frame 510 is arranged with a front-back adjusting assembly 520 for driving the sealing device 300 to move forward and backward, the bottom end of the fixed frame 510 is movably connected with two rollers 530 for assisting the movement of the fixed frame 510, and the two rollers 530 are symmetrically distributed at the bottom end of the fixed frame 510, so as to facilitate the use of the two rollers 530 to assist the left-right movement of the fixed frame 510.

[0041] The front and back adjusting assembly 520 comprises a threaded rod two 522 arranged in the fixed frame 510 for rotation, a rear end of the threaded rod two 522 is fixedly installed with a motor three 521 for driving the threaded rod two 522 to rotate, a rod body of the motor three 521 is threadedly connected with a moving block 523 for front and back movement, a top end of the moving block 523 is fixedly installed with a connecting column 524 for supporting the sealing block 310; so that when the liquid metal needs to be cast by the centrifugal cylinder 211, the connecting column 524 top end sealing block 310 can be controlled to be aligned with the middle part of the centrifugal cylinder 211 by rotating the threaded rod two 522 driven by the motor three 521; then the transmission shaft 412 is controlled to rotate by the motor two 411, and under the meshing connection of the bevel gear one 413 and the bevel gear two 422, the threaded rod one 421 is synchronously rotated with the transmission shaft 412, so that the threaded sleeve plate 423 can be driven to move right along the threaded rod one 421, the sealing block 310 can be sealed to the centrifugal cylinder 211, and the liquid metal can be added into the centrifugal cylinder 211 along the funnel 320, then the pulley one 222 is driven to rotate by the motor one 221, and under the belt connection between the pulley one 222 and the pulley two 224, the rotating shaft 225 can drive the centrifugal cylinder 211 to rotate, and the liquid metal can be centrifugally cast by the high-speed rotating centrifugal cylinder 211.

[0042] The auxiliary device 600 comprises a supporting frame 610 fixedly installed at the top end of the base 100, the supporting frame 610 movably connects with an auxiliary wheel 620 for assisting the rotation of the centrifugal cylinder 211, and the auxiliary wheel 620 moves in the groove 212, and the auxiliary wheel 620 is several, the several auxiliary wheels 620 are distributed in the supporting frame 610 in a circular array, so as to facilitate the movement of the several auxiliary wheels 620 in the groove 212, and the rotation of the centrifugal cylinder 211 can be facilitated.

[0043] Based on the above content and the drawings, those skilled in the art can understand and implement the present application. In addition, any non-creative modification of the present application made by those skilled in the art without creative labor still falls within the protection scope of the present application.

Claims

1. A centrifugal casting machine comprising a base (100), characterised in that: The upper portion of the base (100) is provided with a centrifugal casting device (200) for centrifugal casting of liquid metal, the left side of the centrifugal casting device (200) is provided with a sealing device (300) for sealing the centrifugal casting device (200), the top end of the base (100) is provided with an auxiliary device (600) for rotating the centrifugal casting device (200), the base (100) is provided with a left-right adjusting device (400) for driving the left-right movement of the sealing device (300), the left side of the base (100) is provided with a front-back adjusting device (500) for driving the front-back movement of the sealing device (300); The centrifugal casting device (200) comprises a centrifugal assembly (210) provided at the top end of the auxiliary device (600) for centrifugal casting of liquid metal, and the rear side of the centrifugal assembly (210) is provided with a driving assembly I (220) for driving the rotation of the centrifugal assembly (210); The sealing device (300) comprises a sealing block (310) provided in the centrifugal assembly (210) for sealing the centrifugal assembly (210), and the sealing block (310) and the centrifugal assembly (210) are in sliding connection, and the top end of the sealing block (310) is provided with a funnel (320) for adding liquid metal into the centrifugal assembly (210); The left-right adjusting device (400) comprises a left-right adjusting assembly (420) provided in the base (100) for driving the left-right movement of the front-back adjusting device (500), and the base (100) is provided with a driving assembly II (410) for driving the left-right movement of the left-right adjusting assembly (420) and the front-back adjusting device (500); The front-back adjusting device (500) comprises a fixed frame (510) fixedly connected with the left-right adjusting assembly (420), the fixed frame (510) is provided with a front-back adjusting assembly (520) for driving the front-back movement of the sealing device (300), and the bottom end of the fixed frame (510) is provided with a roller (530) for assisting the movement of the fixed frame (510).

2. A centrifugal casting machine according to claim 1, characterized in that: The centrifugal assembly (210) comprises a centrifugal cylinder (211) provided at the top end of the auxiliary device (600) for rotation, and a groove (212) is formed in the cylinder body of the centrifugal cylinder (211) for the rotation of the auxiliary device (600), and the groove (212) has three.

3. A centrifugal casting machine according to claim 2, characterised in that: The driving assembly I (220) comprises a rotating shaft (225) fixedly installed at the right end of the centrifugal cylinder (211), a belt pulley II (224) is arranged on the shaft body of the rotating shaft (225), a supporting frame (223) is arranged on the shaft body of the rotating shaft (225) for supporting the rotating shaft (225), a belt pulley I (222) is arranged at the rear side of the belt pulley II (224) and connected with the belt pulley II (224) through a belt, and a motor I (221) is fixedly installed at the left end of the belt pulley I (222) for driving the rotation of the belt pulley I (222).

4. A centrifugal casting machine according to claim 1, characterized in that: The second driving assembly (410) comprises a transmission shaft (412) arranged in the base (100) for rotation, a motor two (411) is fixedly installed at the front end of the transmission shaft (412) for driving the transmission shaft (412) to rotate, and a bevel gear one (413) is fixedly installed at the rear end of the transmission shaft (412) for driving the left-right adjusting assembly (420) to rotate.

5. A centrifugal casting machine according to claim 4, characterised in that: The left-right adjusting assembly (420) comprises a threaded rod one (421) arranged in the base (100) for rotation, a threaded sleeve plate (423) is threadedly connected to the rod body of the threaded rod one (421) for left-right movement, a support rod (424) is fixedly installed at the left end of the threaded sleeve plate (423) for driving the fixed frame (510) to move left and right, and the support rod (424) has four.

6. A centrifugal casting machine according to claim 1, characterized in that: The front-back adjusting assembly (520) comprises a threaded rod two (522) arranged in the fixed frame (510) for rotation, a motor three (521) is fixedly installed at the rear end of the threaded rod two (522) for driving the threaded rod two (522) to rotate, a moving block (523) is threadedly connected to the rod body of the motor three (521) for front-back movement, and a connecting column (524) is fixedly installed at the top end of the moving block (523) for supporting the sealing block (310).

7. A centrifugal casting machine according to claim 2, wherein: The auxiliary device (600) comprises a support frame (610) fixedly installed at the top end of the base (100), an auxiliary wheel (620) is movably connected in the support frame (610) for assisting the centrifugal cylinder (211) to rotate, and the auxiliary wheel (620) moves in the groove (212).

Citation Information

Patent Citations

  • Hollow centrifugal casting machine

    CN213997733U