Cooling device for preparing silicon carbide

By designing a cooling box and an automated removal mechanism, the problems of uneven heat dissipation and complex manual operation during silicon carbide preparation were solved, achieving uniform heat dissipation and automated removal, thus improving the efficiency and safety of silicon carbide preparation.

CN223663589UActive Publication Date: 2025-12-12JIANGSU DUISHANG SEMICON TECH CO LTD
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Patent Information

Application Number
CN202520093432.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-12-12
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

In the existing silicon carbide preparation process, the cooling is unstable and easily leads to crystal cracks. The crystals are also easily damaged during the removal process. Existing cooling devices have problems such as uneven heat dissipation and complicated manual operation.

Method used

A cooling device comprising a cooling box, a fan, a motor, a cylinder, and a guide plate was designed. Through fan heat dissipation, guide plate airflow adjustment, and automated removal mechanism, uniform heat dissipation and automated removal of silicon carbide are achieved.

Benefits of technology

Uniform heat dissipation of silicon carbide is achieved, improving heat dissipation efficiency. Automated removal reduces human error and the risk of damage, thus improving work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cooling devices, and discloses a cooling device for silicon carbide preparation, which comprises a cooling box, the bottom of the cooling box is provided with a limiting groove, the inner surface of the limiting groove is movably connected with a movable block, the top of the movable block is fixedly connected with a holding plate, the top of the holding plate is fixedly connected with a graphite layer, and the graphite layer is fixedly connected with a cooling fan. A movable opening is formed in the top of the cooling box, air boxes are fixedly connected to the two sides of the cooling box, fans are fixedly connected to the surfaces of the air boxes, air cylinders provide power to enable flow guide plates to swing in a reciprocating mode, the air outlet direction of the fans is changed, heat dissipation of silicon carbide is more uniform, and the heat dissipation effect of the silicon carbide is improved; and through driving of the motor, the automatic process of taking out silicon carbide is achieved, the complexity and complexity of manual operation are reduced, the working efficiency is improved, and errors and damage risks possibly caused by manual operation are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cooling device technical field more particularly to a cooling device for silicon carbide preparation. BACKGROUND

[0002] Silicon carbide preparation refers to the process of combining silicon and carbon elements through chemical or physical methods to form silicon carbide material with high hardness, high thermal conductivity, low thermal expansion coefficient, and excellent corrosion resistance and wear resistance. This material has a wide range of applications in high-temperature, high-frequency, and high-power electronic devices, such as inverters for electric vehicles, industrial power supplies, and solar inverters.

[0003] The existing cooling device for silicon carbide preparation has the following disadvantages:

[0004] Firstly, controlling the temperature of the reaction during the growth of silicon carbide single crystals is a critical step. By controlling the temperature variation of silicon carbide single crystals, the growth rate and quality of the crystals can be controlled. However, the surface temperature of the silicon carbide single crystals is high after preparation, and cooling treatment is required. However, the cooling rate in each cooling zone is unstable during the cooling process.

[0005] Secondly, after the reaction is completed, the silicon carbide single crystals need to be taken out using tweezers inserted into the cooling bin. However, the use of tweezers may cause cracks or breakage of the crystals due to external forces, and the tip of the tweezers may also scratch the crystals during the clamping process. UTILITY MODEL CONTENT

[0006] In order to overcome the above-mentioned defects of the prior art, the utility model provides a cooling device for silicon carbide preparation to solve the problems existing in the background art.

[0007] The utility model provides the following technical scheme: a cooling device for silicon carbide preparation, comprising a cooling box, a limiting groove is formed in the bottom of the cooling box, a movable block is movably connected to the inner surface of the limiting groove, a containing plate is fixedly connected to the top of the movable block, a graphite layer is fixedly connected to the top of the containing plate, an activity port is formed in the top of the cooling box, air boxes are fixedly connected to the two sides of the cooling box, fans are fixedly connected to the surface of the air boxes;

[0008] Further, a motor is fixedly connected to the front of the cooling box, a second bevel gear is fixedly connected to one side of the motor, a first bevel gear is movably connected to the outer surface of the second bevel gear, a transmission rod is fixedly connected to the back of the first bevel gear, a worm is fixedly connected to the back of the transmission rod, a worm wheel is movably connected to the outer surface of the worm, and a threaded rod is fixedly connected to the top of the worm wheel.

[0009] Further, the top of the cooling box is fixedly connected with an air cylinder, the front surface of the air cylinder is fixedly connected with a first driving rod, the bottom of the first driving rod is movably connected with a second driving rod, the bottom of the second driving rod is movably connected with a movable rod, and the top of the movable rod is provided with a movable opening.

[0010] Further, the bottom of the movable rod is movably connected with a first movable pin, the bottom of the outer surface of the first movable pin is movably connected with a square block, one end of the square block is movably connected with a second movable pin, the top of the second movable pin is movably connected with a fixed rod, the top of the fixed rod is movably connected with a cooling box, the bottom of the second movable pin is movably connected with a flow guide plate, the bottom of the flow guide plate is fixedly connected with a round rod, and the bottom of the round rod is movably connected with a cooling box.

[0011] Further, the inner surface of the movable block is provided with a thread and is matched with the threaded rod.

[0012] Further, the flow guide plate is nine pieces matched with the width of the cooling box.

[0013] The technical effects and advantages of the present application are as follows:

[0014] 1. In use, the silicon carbide to be cooled is placed on the containing plate, then the fan on the cooling box is started, the heat on the silicon carbide is taken away by the airflow, then the air cylinder is started to move the first driving rod forward, when the first driving rod starts to move, the second driving rod starts to move on the movable opening, when the second driving rod starts to move, the movable rod starts to move, when the movable rod starts to move left and right, the first movable pin drives the flow guide plate to start to shake, and the second movable pin and the round rod are arranged to fix the flow guide plate and rotate around the round rod, the flow guide plate is reciprocatingly swung by the power provided by the air cylinder, the air outlet direction of the fan is changed, the heat dissipation of the silicon carbide is more uniform, the heat dissipation effect of the silicon carbide is accelerated, and thus the overall heat dissipation efficiency of the device is improved.

[0015] 2. When the heat dissipation is completed and the silicon carbide needs to be taken out, the motor is started to rotate the second conical gear and the first conical gear, at this time, the transmission rod drives the worm, when the worm rotates, the worm gear starts to rotate and drives the threaded rod to rotate and lifts the containing plate upward, so that the silicon carbide is conveniently taken out from the cooling box, the automation process of taking out the silicon carbide is realized by the driving of the motor, the complexity and tediousness of manual operation are reduced, the work efficiency is improved, and the error and damage risk caused by manual operation are reduced. DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0017] Figure 2The utility model discloses a movable block structure schematic diagram.

[0018] Figure 3 The utility model discloses a cooling box cross section structure schematic diagram.

[0019] Figure 4 The utility model discloses a guide plate structure schematic diagram.

[0020] The figure mark is: 1, cooling box, 101, movable mouth, 102, limit groove, 103, air bellow, 104, fan, 2, holds the board, 201, graphite layer, 202, movable block, 203, screw rod, 204, worm wheel, 205, worm, 206, transmission rod, 207, first conical tooth, 208, second conical tooth, 209, motor, 3, cylinder, 301, first drive rod, 302, second drive rod, 303, movable rod, 304, first movable pin, 305, square, 306, second movable pin, 307, fixed link, 308, guide plate, 309, round rod. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model will be described clearly and completely below in combination with drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the cooling device for preparing silicon carbide involved in the utility model is not limited to each structure recorded in the following implementation, and all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the range of protection of the utility model.

[0022] Reference Figures 1-4 The utility model provides a kind of cooling device for preparing silicon carbide, including cooling box 1, the bottom of cooling box 1 is provided with limit groove 102, the inner surface of limit groove 102 is movably connected with movable block 202, the top of movable block 202 is fixedly connected with holding plate 2, the top of holding plate 2 is fixedly connected with graphite layer 201, the top of cooling box 1 is provided with movable mouth 101, the two sides of cooling box 1 are fixedly connected with air bellow 103, the surface of air bellow 103 is fixedly connected with fan 104.

[0023] In a preferred embodiment, the front of cooling box 1 is fixedly connected with motor 209, one side of motor 209 is fixedly connected with second conical tooth 208, the outer surface of second conical tooth 208 is movably connected with first conical tooth 207, the back of first conical tooth 207 is fixedly connected with transmission rod 206, the back of transmission rod 206 is fixedly connected with worm 204, the outer surface of worm 204 is movably connected with worm wheel 205, the top of worm wheel 205 is fixedly connected with screw rod 203.

[0024] In a preferred implementation, the top of the cooling box 1 is fixedly connected with a cylinder 3, the front of the cylinder 3 is fixedly connected with a first driving rod 301, the bottom of the first driving rod 301 is movably connected with a second driving rod 302, the bottom of the second driving rod 302 is movably connected with a movable rod 303, and the top of the movable rod 303 is provided with a movable opening 101.

[0025] In a preferred implementation, the bottom of the movable rod 303 is movably connected with a first movable pin 304, the bottom of the outer surface of the first movable pin 304 is movably connected with a block 305, one end of the block 305 is movably connected with a second movable pin 306, the top of the second movable pin 306 is movably connected with a fixed rod 307, the top of the fixed rod 307 is movably connected with the cooling box 1, the bottom of the second movable pin 306 is movably connected with a flow guide plate 308, the bottom of the flow guide plate 308 is fixedly connected with a round rod 309, and the bottom of the round rod 309 is movably connected with the cooling box 1.

[0026] In a preferred implementation, the inner surface of the movable block 202 is provided with threads and is matched with the threaded rod 203.

[0027] In a preferred implementation, the flow guide plate 308 has nine pieces matched with the width of the cooling box 1.

[0028] The working principle of the utility model is as follows: when in use, the silicon carbide to be cooled is placed on the containing plate 2, then the fan 104 on the cooling box 1 is started, the heat on the silicon carbide is taken away by the airflow, then the cylinder 3 is started to make the first driving rod 301 move forward, when the first driving rod 301 starts to move, the second driving rod 302 starts to move on the movable opening 101, when the second driving rod 302 starts to move, the movable rod 303 starts to move, when the movable rod 303 starts to move left and right, the first movable pin 304 drives the flow guide plate 308 to start to shake, and the second movable pin 306 and the round rod 309 are arranged to fix the flow guide plate 308 and rotate around the round rod 309, the flow guide plate 308 is reciprocated by the power provided by the cylinder 3, the direction of the fan 104 is changed, the heat dissipation of the silicon carbide is more uniform, the heat dissipation effect of the silicon carbide is accelerated, and the heat dissipation efficiency of the whole device is improved; when the heat dissipation is completed and the silicon carbide needs to be taken out, the motor 209 is started to make the second bevel gear 208 rotate with the first bevel gear 207, at this time, the transmission rod 206 drives the worm 205, when the worm 205 rotates, the worm gear 204 starts to rotate and makes the threaded rod 203 rotate and makes the containing plate 2 lift upward to facilitate taking out the silicon carbide from the cooling box 1.

[0029] Finally should be explained a few points are: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0030] Second: the present application discloses the embodiment in the drawing, only relates to the structure involved in the present application, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other;

[0031] Finally: the above only for the preferred embodiment of the present application, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A cooling device for silicon carbide production comprising a cooling box (1), characterized by: The bottom of the cooling box (1) is provided with a limiting groove (102), the inner surface of the limiting groove (102) is movably connected with a movable block (202), the top of the movable block (202) is fixedly connected with a containing plate (2), the top of the containing plate (2) is fixedly connected with a graphite layer (201), the top of the cooling box (1) is provided with a movable opening (101), and the two sides of the cooling box (1) are fixedly connected with a wind box (103), and the surface of the wind box (103) is fixedly connected with a fan (104).

2. The cooling device for the production of silicon carbide according to claim 1, characterized in that: The front surface of the cooling box (1) is fixedly connected with a motor (209), one side of the motor (209) is fixedly connected with a second bevel gear (208), the outer surface of the second bevel gear (208) is movably connected with a first bevel gear (207), the back surface of the first bevel gear (207) is fixedly connected with a transmission rod (206), the back surface of the transmission rod (206) is fixedly connected with a worm (205), the outer surface of the worm (205) is movably connected with a worm wheel (204), and the top of the worm wheel (204) is fixedly connected with a threaded rod (203).

3. The cooling device for the production of silicon carbide according to claim 1, characterized in that: The top of the cooling box (1) is fixedly connected with an air cylinder (3), the front surface of the air cylinder (3) is fixedly connected with a first driving rod (301), the bottom of the first driving rod (301) is movably connected with a second driving rod (302), the bottom of the second driving rod (302) is movably connected with a movable rod (303), and the top of the movable rod (303) is provided with a movable opening (101).

4. The cooling device for the production of silicon carbide according to claim 3, characterized in that: The bottom of the movable rod (303) is movably connected with a first movable pin (304), the bottom of the outer surface of the first movable pin (304) is movably connected with a square block (305), one end of the square block (305) is movably connected with a second movable pin (306), the top of the second movable pin (306) is movably connected with a fixed rod (307), the top of the fixed rod (307) is movably connected with the cooling box (1), the bottom of the second movable pin (306) is movably connected with a guide plate (308), the bottom of the guide plate (308) is fixedly connected with a round rod (309), and the bottom of the round rod (309) is movably connected with the cooling box (1).

5. The cooling device for the production of silicon carbide according to claim 2, characterized in that: The inner surface of the movable block (202) is provided with threads and is matched with the threaded rod (203).

6. The cooling device for the production of silicon carbide according to claim 4, characterized in that: The guide plate (308) has nine pieces and is matched with the width of the cooling box (1).