Silicon carbide crucible preform production equipment

Abstract

The utility model provides silicon carbide crucible preform production equipment, which relates to the technical field of crucibles and comprises an integral structure and supporting structures, and the supporting structures are positioned at the front and rear positions of the two sides of the bottom of the integral structure; the integral structure comprises a bottom plate, a box body is fixedly connected to the center of the top of the bottom plate, and a frame is fixedly connected to the center of the bottom of the box body, the upper die can be driven to move up and down through stretching and retracting of a hydraulic rod, and raw materials in the lower die can be pressed after the upper die moves downwards to a certain position, so that the production efficiency is improved, and the production cost is reduced. After pressing, the upper die is reset, the threaded rod can rotate forwards or reversely through the servo motor, the sliding block can be driven to move back and forth in the frame, the sliding block can drive the connecting plate and the lower die to move together when sliding, and the lower die can move out of the box body after moving to a certain position. And therefore, the convenience of placing raw materials on the lower die or taking out the crucible preform is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crucibles, in particular to a production device for a silicon carbide crucible preform. Background Art

[0002] A crucible is a cup-shaped vessel used in laboratories to heat solids at high temperatures. There are many types and specifications of crucibles. When used, they are not restricted by production scale, batch size, and type of smelting materials. They can be selected at will, have strong applicability, and can ensure the purity of the smelted material.

[0003] Existing, such as the one in application number: 202121513338.9, a carbon-carbon crucible preform production equipment includes a box, one side wall of the box is provided with an inert gas storage box, one side wall of the box is welded and installed with a metering pump, the bottom of the inert gas storage box is welded and installed with a first pipe, and the free end of the first pipe is fixedly installed with the input end of the metering pump. The threaded rod is matched with the movable plate to realize the movement of the movable plate, and the upper body of the crucible mold is driven downward by the movement of the movable plate to make the lower body of the crucible mold fit with the upper body of the crucible mold, close the box door, adjust the temperature in the box by the temperature control adjustment button on the temperature control device, pressurize the box by the pressure pump, fill the inert gas in the inert gas storage box into the box by the metering pump, and process the carbon-carbon crucible preform by the high-pressure and high-temperature gas in the box, and monitor the pressure in the box by the pressure valve.

[0004] During the use of the above application, since the lower body of the crucible mold is located inside the box, and the internal space of the box is limited, it is not convenient to put raw materials into the lower body of the crucible mold and take out the crucible preform. Therefore, we propose a silicon carbide crucible preform production equipment to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problem in the prior art that since the lower body of the crucible mold is located inside a box body and the internal space of the box body is limited, it is not convenient to put raw materials into the lower body of the crucible mold and take out the crucible preform, and proposes a silicon carbide crucible preform production device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a silicon carbide crucible preform production device, comprising an overall structure and a support structure, wherein the support structure is located at the front and rear positions of both sides of the bottom of the overall structure;

[0007] The overall structure includes a base plate, a box body is fixedly connected to the top center of the base plate, a frame is fixedly connected to the bottom center of the box body, sliders are slidably connected to the inner bottom two sides of the frame, a servo motor is fixedly installed at the center of the rear outer surface of the frame, a threaded rod is fixedly connected to the output end of the servo motor, a connecting plate is fixedly connected to the top center of the slider, a lower mold is fixedly connected to the top center of the connecting plate, a fixing plate is fixedly connected to the top center of the box body, hydraulic rods are fixedly installed at the front and rear positions of the inner top two sides of the fixing plate, and the protruding ends of the hydraulic rods are fixedly connected to the upper mold.

[0008] Preferably, guide rods are fixedly connected to the front and rear inner surfaces of the frame near the two side edges, the outer surface of the guide rods is slidably connected to the inner surface of the slider, and the outer surface of the threaded rod has threads that penetrate the outer surface of the slider.

[0009] Preferably, slide grooves are provided at both sides of the top of the frame, a movable rod is slidably connected to the center of the inner surface wall of the slide groove, and the top end surface of the movable rod is fixedly connected to the bottom surface of the connecting plate.

[0010] Preferably, heating plates are fixedly installed at front and rear positions on both sides of the inner surface of the box body, and a temperature controller is fixedly installed at the center of the two sides of the inner surface of the box body.

[0011] Preferably, an air storage box is fixedly connected to the top of the base plate near the rear side, an air suction pump is fixedly installed at the top center of the air storage box, a delivery pipe is penetrated through the air outlet end of the air suction pump, and the interior of the delivery pipe is connected to the interior of the box.

[0012] Preferably, an air intake pipe is provided through the center of the rear outer surface of the air storage box, and a solenoid valve is fixedly installed on the outer surface of the air intake pipe.

[0013] Preferably, a booster pump is fixedly mounted on one side of the top of the box.

[0014] Preferably, a transparent baffle is hingedly connected to the front outer surface of the box.

[0015] Preferably, the supporting structure comprises a supporting leg, an electric push rod is fixedly mounted at the inner top center of the supporting leg, and the top surface of the supporting leg is fixedly connected to the bottom surface of the base plate.

[0016] Preferably, the extended end of the electric push rod is fixedly connected to a moving wheel, and the bottom of the supporting leg is fixedly connected to an anti-slip pad.

[0017] Compared with the prior art, the advantages and positive effects of the utility model are:

[0018] 1. In the utility model, the upper mold can be driven to move up and down by the extension and retraction of the hydraulic rod. After it moves downward to a certain position, the raw material in the lower mold can be pressed. After pressing, the upper mold is reset. Then the threaded rod can be rotated forward or reversed by the servo motor to drive the slider to move back and forth in the frame. When the slider slides, it can also drive the connecting plate and the lower mold to move. After the lower mold moves to a certain position, it can be moved outside the box, thereby improving the convenience of placing raw materials on the lower mold or taking out the crucible preform.

[0019] 2. In the utility model, the inert gas in the storage box can be drawn into the box body by the cooperation of the suction pump and the delivery pipeline. The box body can be heated by the setting of the heating plate, so that a high-temperature environment can be formed inside the box. By cooperating with the temperature controller, a constant temperature inside the box body can be maintained. At the same time, the working state of the heating plate is automatically adjusted according to the preset temperature parameters. When the electric push rod is extended or retracted, it can drive the moving wheel to move up and down in the supporting leg. When it moves downward to a certain position, the whole body can be lifted up, which is convenient for the user to move the whole body to a location. When it is not in contact with the ground, the anti-slip pad will be in contact with the ground, thereby improving the stability of the whole body when it is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional structural schematic diagram of a silicon carbide crucible preform production device is proposed for the utility model;

[0021] Figure 2 The utility model proposes a silicon carbide crucible preform production equipment Figure 1 A rear view structural diagram of ;

[0022] Figure 3 The utility model proposes a silicon carbide crucible preform production equipment Figure 1 A schematic cross-sectional structure diagram of ;

[0023] Figure 4 It is a three-dimensional structural diagram of the frame, the slide slot and the movable rod;

[0024] Figure 5 It is a three-dimensional structural schematic diagram of a slider, a guide rod, a servo motor and a threaded rod;

[0025] Figure 6 It is a schematic diagram of the three-dimensional structure of the supporting legs, anti-slip pads, electric push rods and moving wheels.

[0026] Legend: 1. Overall structure; 2. Support structure; 101. Bottom plate; 102. Box body; 103. Transparent baffle; 104. Fixed plate; 105. Booster pump; 106. Inlet pipe; 107. Solenoid valve; 108. Air storage box; 109. Suction pump; 110. Delivery pipeline; 111. Lower mold; 112. Temperature controller; 113. Heating plate; 114. Upper mold; 115. Hydraulic rod; 116. Connecting plate; 117. Movable rod; 118. Frame; 119. Slide; 120. Guide rod; 121. Threaded rod; 122. Slider; 123. Servo motor; 201. Support leg; 202. Electric push rod; 203. Moving wheel; 204. Anti-slip pad. DETAILED DESCRIPTION

[0027] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0029] Embodiment 1, as Figure 1-Figure 6 As shown, a silicon carbide crucible preform production equipment comprises an overall structure 1 and a supporting structure 2, wherein the supporting structure 2 is located at the front and rear positions on both sides of the bottom of the overall structure 1; the overall structure 1 comprises a bottom plate 101, a box body 102 is fixedly connected at the top center of the bottom plate 101, a frame 118 is fixedly connected at the bottom center of the box body 102, sliders 122 are slidably connected to both sides of the inner bottom of the frame 118, a servo motor 123 is fixedly installed at the center of the rear outer surface of the frame 118, a threaded rod 121 is fixedly connected to the output end of the servo motor 123, a connecting plate 116 is fixedly connected at the top center of the slider 122, a lower mold 111 is fixedly connected at the top center of the connecting plate 116, a fixing plate 104 is fixedly connected at the top center of the box body 102, hydraulic rods 115 are fixedly installed at the front and rear positions on both sides of the inner top of the fixing plate 104, and the protruding ends of the hydraulic rods 115 are fixedly connected to the upper mold 114.

[0030] The effect achieved by the entire embodiment 1 is as follows: Figure 3 , Figure 4 and Figure 5As shown, when the threaded rod 121 is rotated forward or reversed by the servo motor 123, the slider 122 will be driven to move back and forth in the frame 118. While moving, the slider 122 will slide on the guide rod 120 to improve the stability of the slider 122 when moving back and forth. The slider 122 can also drive the connecting plate 116 and the lower mold 111 to move, so that the lower mold 111 can be moved out of the box 102 after moving to a certain position, so that the user can take out the preform in the lower mold 111 or place the raw materials into the lower mold 111.

[0031] Embodiment 2, as Figure 1-Figure 6 As shown, guide rods 120 are fixedly connected to the front and rear inner surfaces of the frame 118 near the edges on both sides, the outer surface of the guide rod 120 is slidably connected to the inner surface of the slider 122, the outer surface of the threaded rod 121 is threaded through the outer surface of the slider 122, and slide grooves 119 are opened on both sides of the top of the frame 118. A movable rod 117 is slidably connected to the center of the inner wall of the slide groove 119, and the top end surface of the movable rod 117 is fixedly connected to the bottom surface of the connecting plate 116. Heating plates 113 are fixedly installed at the front and rear positions of the inner surfaces of both sides of the box body 102, and a temperature controller 112 is fixedly installed at the center of the inner surfaces of both sides of the box body 102. An air storage box 108 is fixedly connected to the top of the bottom plate 101 near the rear side, and an air suction pump is fixedly installed at the top center of the air storage box 108 109, a delivery pipe 110 is provided through the air outlet end of the suction pump 109, the interior of the delivery pipe 110 is connected with the interior of the box body 102, an air inlet pipe 106 is provided through the center of the rear outer surface of the air storage box 108, a solenoid valve 107 is fixedly installed on the outer surface of the air inlet pipe 106, a booster pump 105 is fixedly installed on one side of the top of the box body 102, a transparent baffle 103 is hingedly connected to the front outer surface of the box body 102, the support structure 2 includes a support leg 201, an electric push rod 202 is fixedly installed at the inner top center of the support leg 201, the top surface of the support leg 201 is fixedly connected to the bottom surface of the bottom plate 101, the protruding end of the electric push rod 202 is fixedly connected to a moving wheel 203, and the bottom of the support leg 201 is fixedly connected to an anti-slip pad 204.

[0032] The effect achieved by the entire embodiment 2 is that when the connecting plate 116 moves forward and backward, its movable rod 117 is driven by the force and can slide forward and backward in the slide groove 119. Through the cooperation of the slide groove 119 and the movable rod 117, the stability of the lower mold 111 and the connecting plate 116 during movement can be improved. Through the setting of the transparent baffle 103, it is convenient for the user to check the working conditions in the box body 102 at any time. When the whole body needs to be moved, the electric push rod 202 is extended to drive the moving wheel 203 to move downward in the support leg 201. After moving downward to a certain position, it can contact the ground and lift the whole body. Then, through the cooperation of the moving wheel 203, it is convenient for the user to move the whole body to the designated location. After arriving at the designated location, the electric push rod 202 is retracted, so that the moving wheel 203 can move into the support leg 201, and its anti-slip pad 204 can contact the ground, thereby avoiding displacement of the whole body when it is used.

[0033] Working principle: When in use, the electric push rod 202 and the moving wheel 203 are used to lift the whole body, and the moving wheel 203 is set to facilitate the whole body to move. After reaching the designated location, the electric push rod 202 is retracted, so that the moving wheel 203 can be moved into the support leg 201, and then the anti-slip pad 204 will contact the ground, thereby improving the stability of the whole body when in use. When in use, the hydraulic rod 115 extends to drive the upper mold 114 to move downward. After moving to a certain position, the raw materials in the lower mold 111 can be moved. After pressing, the upper mold 114 is reset, and the servo motor 123 starts to run, so that the threaded rod 121 can rotate forward or reverse, and can drive the slider 122 to slide back and forth in the frame 118, and the slider 122 drives the connecting plate 116 and the lower mold 111 to move, and its movable rod 117 can slide in the slide groove 119 under force. When the lower mold 111 moves forward to a certain position, it can be moved outside the box body 102, which makes it convenient for the user to take out the preform in the lower mold 111, and then add raw materials for the next pressing.

[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A silicon carbide crucible preform production device, characterized in that: include: An overall structure (1) and a supporting structure (2), wherein the supporting structure (2) is located at front and rear positions on both sides of the bottom of the overall structure (1); The overall structure (1) comprises a bottom plate (101), a box body (102) is fixedly connected at the top center of the bottom plate (101), a frame (118) is fixedly connected at the bottom center of the box body (102), sliders (122) are slidably connected to the inner bottom sides of the frame (118), a servo motor (123) is fixedly installed at the center of the rear outer surface of the frame (118), a threaded rod (121) is fixedly connected to the output end of the servo motor (123), a connecting plate (116) is fixedly connected at the top center of the slider (122), a lower mold (111) is fixedly connected at the top center of the connecting plate (116), a fixed plate (104) is fixedly connected at the top center of the box body (102), hydraulic rods (115) are fixedly installed at the front and rear positions of the inner top sides of the fixed plate (104), and the protruding ends of the hydraulic rods (115) are fixedly connected to the upper mold (114).

2. The silicon carbide crucible preform production equipment according to claim 1, characterized in that: A guide rod (120) is fixedly connected to the front and rear inner surfaces of the frame (118) near the two side edges, the outer surface of the guide rod (120) is slidably connected to the inner surface of the slider (122), and the outer surface of the threaded rod (121) has threads that penetrate the outer surface of the slider (122).

3. The silicon carbide crucible preform production equipment according to claim 1, characterized in that: Slide grooves (119) are provided at both sides of the top of the frame (118), a movable rod (117) is slidably connected to the center of the inner surface wall of the slide groove (119), and the top end surface of the movable rod (117) is fixedly connected to the bottom surface of the connecting plate (116).

4. The silicon carbide crucible preform production equipment according to claim 1, characterized in that: Heating plates (113) are fixedly mounted at front and rear positions on the inner surfaces of both sides of the box body (102), and a temperature controller (112) is fixedly mounted at the center of the inner surfaces of both sides of the box body (102).

5. The silicon carbide crucible preform production equipment according to claim 1, characterized in that: An air storage box (108) is fixedly connected to the top of the bottom plate (101) near the rear side, and an air suction pump (109) is fixedly installed at the center of the top of the air storage box (108). A delivery pipe (110) is provided through the air outlet end of the air suction pump (109), and the interior of the delivery pipe (110) is connected to the interior of the box body (102).

6. The silicon carbide crucible preform production equipment according to claim 5, characterized in that: An air intake pipe (106) is provided through the center of the rear outer surface of the air storage box (108), and a solenoid valve (107) is fixedly mounted on the outer surface of the air intake pipe (106).

7. The silicon carbide crucible preform production equipment according to claim 1, characterized in that: A booster pump (105) is fixedly mounted on one side of the top of the box body (102).

8. The silicon carbide crucible preform production equipment according to claim 1, characterized in that: A transparent baffle (103) is hingedly connected to the front outer surface of the box body (102).

9. The silicon carbide crucible preform production equipment according to claim 1, characterized in that: The support structure (2) comprises a support leg (201), an electric push rod (202) being fixedly mounted at the inner top center of the support leg (201), and a top surface of the support leg (201) being fixedly connected to a bottom surface of the base plate (101).

10. The silicon carbide crucible preform production equipment according to claim 9, characterized in that: The extended end of the electric push rod (202) is fixedly connected to a moving wheel (203), and the bottom of the support leg (201) is fixedly connected to an anti-slip pad (204).

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