Planetary vacuum defoaming machine for medium and low temperature melts

Abstract

The planetary vacuum defoaming machine comprises a cavity door, a main body, a vacuum pump set and a vacuum pipeline, the cavity door is hinged to the main body, a transmission motor and a transmission part are arranged at the bottom of an inner cavity of the main body, and the vacuum pump set is arranged at the bottom of the inner cavity of the main body and connected with the inner cavity of the main body and the outside through the vacuum pipeline. A working part is arranged at the top of the inner cavity of the main body; wherein the transmission part comprises a driving gear, a driven gear, a magnetofluid transmission shaft, a planetary rotation bevel gear and a planetary revolution gear, the driving gear is fixedly connected to a main shaft body of the transmission motor, the driven gear and the planetary revolution gear are fixedly connected to shaft bodies at the two ends of the magnetofluid transmission shaft respectively, and the driven gear is meshed with the driving gear; the planetary rotation bevel gear is meshed with the planetary revolution gear; the working part comprises a Kevlar heating rod, a material crucible and a crucible tool, the material crucible is mounted on the crucible tool, and the Kevlar heating rod is mounted on the side wall of the inner cavity.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medium and low temperature defoaming, more specifically, the utility model relates to a kind of planetary vacuum defoaming machine of medium and low temperature melt. BACKGROUND

[0002] The planetary vacuum defoaming machine is widely used in electronic, chemical, metal, ceramic and other industries, such as the preparation of high-performance electronic paste, the production process of paint, ink and adhesive, and the material stability and strength improvement of metal and ceramic industry. It can quickly and completely remove the bubbles in the material by accurately controlling the vacuum degree and processing time, and improve the product quality.

[0003] The existing planetary vacuum defoaming machine has the following problems when in use:

[0004] 1. The energy utilization rate of the planetary vacuum defoaming machine is generally not high when maintaining heating and vacuum state.

[0005] 2. The planetary vacuum defoaming machine is generally complex in structure, and the equipment structure is complex, which increases the difficulty of production, use and maintenance.

[0006] 3. The defoaming efficiency and finished product quality of the planetary vacuum defoaming machine are low, and the residual bubbles in the material can reduce the uniformity of the finished product.

[0007] For the vacuum defoaming of medium and low temperature melt, the melt needs to be transported to the kiln equipment, melted and transported to the vacuum defoaming equipment, and then transported to the pouring equipment after defoaming. It cannot form a compact production line. UTILITY MODEL CONTENTS

[0008] To solve the above technical problems, the utility model provides a kind of planetary vacuum defoaming machine of medium and low temperature melt.

[0009] In order to achieve the above purpose, the utility model adopts the technical scheme:

[0010] A kind of planetary vacuum defoaming machine of medium and low temperature melt, including cavity door, main body, vacuum pump group and vacuum pipeline, hinge joint between cavity door and main body, transmission motor and transmission part are equipped in the bottom of the main body cavity, vacuum pump group is arranged in the bottom of the main body cavity and is connected with the outside by vacuum pipeline, transmission motor and transmission part are mechanically connected, and working part is arranged at the top of the main body cavity;Wherein:

[0011] Transmission part includes driving gear, driven gear, magnetic fluid transmission shaft, planetary self-transmission bevel gear and planetary revolution gear, driving gear is fixedly connected to the main shaft body of transmission motor, driven gear and planetary revolution gear are fixedly connected to the both end shaft body of magnetic fluid transmission shaft respectively, driven gear is engaged with driving gear, and planetary revolution gear is engaged with planetary self-transmission bevel gear.

[0012] The working part comprises a Kailuan heating rod, a material crucible and a crucible tooling, the material crucible is installed on the crucible tooling, and the Kailuan heating rod is installed on the side wall of the inner cavity.

[0013] The utility model discloses a kind of planetary vacuum defoaming machines of medium-low temperature melt, motor contactor and motor speed regulator are also in the bottom side wall of main body inner cavity, motor contactor is used to control vacuum pump set and transmission motor, motor speed regulator is used to control transmission motor revolution.

[0014] The utility model discloses a kind of planetary vacuum defoaming machines of medium-low temperature melt, the crucible tooling is composed of two crucible mounting tables, driven bevel gear is equipped at the bottom of crucible mounting table, planetary self-transmission bevel gear is engaged with driven bevel gear.

[0015] The utility model discloses a kind of planetary vacuum defoaming machines of medium-low temperature melt, the defoaming machine is also equipped with photoelectric sensor and emergency stop button.

[0016] The utility model discloses a kind of planetary vacuum defoaming machines of medium-low temperature melt, the bottom of defoaming machine is also equipped with support leg and gyro wheel, defoaming machine inner wall covers with heat preservation layer.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] 1, by increasing vacuum chamber temperature field, can improve material temperature in chamber, chamber temperature can be increased to 600-800 DEG C from room temperature, to reduce material viscosity, improve bubble precipitation speed, reduce internal defects of medium-low temperature melt.

[0019] 2, by increasing planetary gear system, one transmission shaft can satisfy fixture tooling self-transmission and revolution, reduces 1 self-rotation axis, greatly reduces the complexity of equipment, prolongs equipment maintenance cycle.

[0020] 3, by changing rotating shaft structure, change from flexible seal to magnetic fluid seal, improve the limit vacuum value of equipment, limit vacuum value is increased to 0-0.1Pa from 0-10Pa, greatly improve defoaming mixing effect.

[0021] The utility model will be combined with drawing and embodiment, more detailed description is made to the utility model. DRAWINGS

[0022] The contents expressed by each drawing of the present specification and the marks in the drawing are briefly described as follows:

[0023] Figure 1 It is the front view of the utility model;

[0024] Figure 2 It is the left view of the utility model;

[0025] Reference signs

[0026] 1, cavity door; 2, main body; 3, heat preservation layer; 4, Kaidang heating rod; 5, magnetic fluid transmission shaft; 6, vacuum pump group; 7, motor contactor; 8, material crucible; 9, crucible tooling; 10, vacuum pipeline; 11, motor speed regulator; 12, transmission motor; 13, foot; 14, driven bevel gear; 15, planetary self-transmission bevel gear; 16, planetary revolution gear; 17, exhaust pipe; 18, photoelectric sensor; 19, emergency stop button; 20, driving gear; 21, driven gear. DETAILED DESCRIPTION

[0027] The shape, structure, mutual position and connection relationship between parts, the role of each part, the working principle, the manufacturing process and the operation and use method of each component involved in the specific implementation of the utility model will be further described below with reference to the drawings through the description of the embodiments, so as to help the skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical solution of the utility model.

[0028] As shown in Figure 1 and Figure 2 A kind of planetary vacuum defoaming machine of medium and low temperature melt, including cavity door 1, main body 2, vacuum pump group 6 and vacuum pipeline 10, cavity door 1 and main body 2 are hinged, main body 2 inner chamber bottom is equipped with transmission motor 12 and transmission part, vacuum pump group 6 is arranged in main body 1 inner chamber bottom and is connected with the inner chamber of main body 2 and the outside through vacuum pipeline 10, transmission motor 12 and transmission part are mechanically connected, and the top of the inner chamber of main body 2 is equipped with working part;Wherein: transmission part includes driving gear 20, driven gear 21, magnetic fluid transmission shaft 5, planetary self-transmission bevel gear 15 and planetary revolution gear 16, driving gear 20 is fixedly connected on the main shaft body of transmission motor 12, driven gear 21 and planetary revolution gear 16 are fixedly connected on the two ends of the shaft body of magnetic fluid transmission shaft 5 respectively, driven gear 21 is engaged with driving gear 20, and planetary revolution gear 16 is engaged with planetary self-transmission bevel gear 15;Working part includes Kaidang heating rod 4, material crucible 8 and crucible tooling 9, material crucible 8 is installed on crucible tooling 9, and Kaidang heating rod 4 is installed on the inner chamber side wall.

[0029] As shown in Figure 1 the inner chamber bottom side wall of main body 2 also has motor contactor 7 and motor speed regulator 11, motor contactor 7 is used to control vacuum pump group 6 and transmission motor 12, and motor speed regulator 11 is used to control the number of revolutions of transmission motor 12.

[0030] As shown in Figure 1 and Figure 2The shown crucible tool 9 is composed of two crucible mounting tables, the bottom of which is provided with a driven bevel gear 14, and the planetary self-transmission bevel gear 15 is engaged with the driven bevel gear 14.

[0031] As shown in the drawings, Figure 2 The shown defoaming machine is also provided with a photoelectric sensor 18 and an emergency stop button 19.

[0032] As shown in the drawings, Figure 1 The bottom of the shown defoaming machine is also provided with a supporting leg 13 and a roller, and the inner wall of the defoaming machine is covered with a heat insulation layer 3.

[0033] Working principle and method

[0034] The driving gear 21 on the main shaft of the transmission motor is engaged with the driven gear 20 to form transmission. The driven gear 20 is coaxial with the magnetic fluid rotating shaft 5 to drive the planetary orbit gear 16. The planetary orbit gear 16 is engaged with the planetary self-transmission bevel gear 15, which is engaged with the driven bevel gear 14 to form transmission.

[0035] In use, the cavity door 1 is opened, the phosphate glass raw material is placed in the material crucible 8, and the crucible cover is installed. The cavity door 1 is closed. The heating is started, the Kaidang heating rod 4 converts the electric energy into heat energy, the temperature is displayed as about 700℃, the transmission motor 5 is started; the driving gear 21 rotates to drive the driven gear 20, the driven gear 20 is coaxial with the magnetic fluid rotating shaft 5 and the planetary orbit gear 16, so as to rotate synchronously, forming the revolution of the material crucible 8. The planetary orbit gear 16 drives the planetary self-transmission bevel gear 15 and the driven bevel gear 14 to engage, and the driven bevel gear 14 is coaxial with the crucible tool 9, thereby forming the revolution of the material crucible 8. The transmission motor 12 speed can be controlled by the motor speed regulator 11 to meet the process requirements. In the process of rotating the material crucible 8, the vacuum pump set 6 is started to provide negative pressure in the vacuum chamber, so as to achieve the purpose of vacuum defoaming.

[0036] After a period of time, when the temperature decreases to about 200℃, the cavity door 1 is opened, the protective articles are worn, the material crucible 8 is taken out, and the next step of phosphate glass shaping is carried out. The shaped and cooled phosphate glass has smooth surface, no air hole in the inside, and excellent light transmission.

[0037] The above describes the present application by way of example with reference to the drawings. Obviously, the specific implementation of the present application is not limited by the above method. Any non-essential improvement or direct application of the technical scheme of the present application to other occasions within the protection scope of the present application is within the protection scope of the present application.

Claims

1. A planetary vacuum degassing machine for medium- and low-temperature melts, comprising a chamber door, a main body, a vacuum pump assembly, and vacuum pipes, wherein the chamber door and the main body are hinged together, characterized in that, A drive motor and a drive unit are located at the bottom of the main body cavity. A vacuum pump unit is located at the bottom of the main body cavity and is connected to the outside of the main body cavity through a vacuum pipe. The drive motor and the drive unit are mechanically connected. A working part is located at the top of the main body cavity. Wherein: The transmission unit includes a driving gear, a driven gear, a magnetohydrodynamic transmission shaft, a planetary self-rotating bevel gear, and a planetary orbiting gear. The driving gear is fixedly connected to the main shaft of the transmission motor, and the driven gear and the planetary orbiting gear are respectively fixedly connected to the two ends of the magnetohydrodynamic transmission shaft. The driven gear meshes with the driving gear, and the planetary self-rotating bevel gear meshes with the planetary orbiting gear. The working section includes a heat-resistant heating rod, a material crucible, and a crucible fixture. The material crucible is mounted on the crucible fixture, and the heat-resistant heating rod is mounted on the inner cavity sidewall.

2. The planetary vacuum degassing machine for medium- and low-temperature melts according to claim 1, characterized in that, The bottom side wall of the main body cavity also has a motor contactor and a motor speed controller. The motor contactor is used to control the vacuum pump group and the drive motor, and the motor speed controller is used to control the speed of the drive motor.

3. The planetary vacuum degassing machine for medium- and low-temperature melts according to claim 1, characterized in that, The crucible fixture consists of two crucible mounting platforms. The bottom of the crucible mounting platform is provided with a driven bevel gear, and the planetary self-rotating bevel gear meshes with the driven bevel gear.

4. The planetary vacuum degassing machine for medium- and low-temperature melts according to claim 1, characterized in that, The degassing machine is also equipped with a photoelectric sensor and an emergency stop button.

5. A planetary vacuum degassing machine for medium- and low-temperature melts according to claim 1, characterized in that, The degassing machine is also equipped with support legs and rollers at the bottom, and the inner wall of the degassing machine is covered with a heat insulation layer.

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