Silicon carbide extrusion molding device

Abstract

The utility model belongs to the field of silicon carbide extrusion molding devices, and particularly relates to a silicon carbide extrusion molding device which comprises a base, a vacuumizing mechanism is arranged at the top of the base, a protection box is fixedly connected to the back side of the top of the base, a shell is fixedly connected to the left side of the protection box, and a die head is movably connected to the front end of the shell. The top of the shell fixedly communicates with a funnel, an inner cavity of the protection box is fixedly connected with a motor, and the output end of the motor is fixedly connected with a screw rod; hot air in the shell is extracted through the vacuum pump, then the hot air enters the filter box, impurities in the hot air are filtered through the first filter screen and the second filter screen, and the air temperature is reduced through the copper sheet, so that the effects of filtering the impurities and cooling the hot air are achieved, and the problem that when the hot air is extracted by the vacuum pump, the hot air enters the filter box is solved. The material and the sealing piece of the vacuum pump can be damaged, and the performance and the service life of the pump can be influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to silicon carbide extrusion forming device field, specifically a kind of silicon carbide extrusion forming device. BACKGROUND

[0002] Silicon carbide is the ceramic compound of silicon and carbon, if the production of silicon carbide needs to be realized by the way of extrusion forming, then screw extruder will become one of the key equipment in production process, by adjusting the parameters and configuration of screw extruder, the accurate control and processing of silicon carbide raw materials can be realized, so that the required product is obtained.

[0003] But the vacuum system in existing screw extruder is usually using vacuum pump to extract air directly, screw extruder is heated when working, and heating treatment will inevitably produce hot gas, when hot gas is extracted by vacuum pump, the material and sealing element of vacuum pump will be damaged, and the performance and service life of pump will also be affected. UTILITY MODEL CONTENT

[0004] In order to make up for the deficiency of prior art, when hot gas is extracted by vacuum pump, the material and sealing element of vacuum pump will be damaged, and the performance and service life of pump will also be affected, the utility model provides a kind of silicon carbide extrusion forming device.

[0005] The utility model solves technical scheme that it adopts: a kind of silicon carbide extrusion forming device, including base, the top of the base is provided with vacuumizing mechanism, the back side of the top of the base is fixedly connected with protection box, the left side of the protection box is fixedly connected with shell, the front end of the shell is movably connected with die head, the top of the shell is fixedly connected with hopper, the inner chamber of the protection box is fixedly connected with motor, the output of the motor is fixedly connected with screw rod, the front side of the screw rod is penetrated to the inside of shell;

[0006] The vacuumizing mechanism includes filter box, the top of the base is fixedly connected with filter box, the rear end of the filter box is fixedly communicated with vacuum pump, the inner chamber of the filter box is respectively installed with first filter screen and second filter screen, the top of the filter box is rotatably connected with upper cover by hinge, the upper cover is located at the top of first filter screen and second filter screen, the front side of the upper cover is fixedly connected with buckle, the upper cover is buckled on the surface of filter box by buckle, the inner chamber of the filter box is installed with copper sheet, the number of copper sheet is several, the inside of the copper sheet is provided with fixed hole, the surface of the fixed hole is fixedly connected with copper pipe.

[0007] As preferred, the bottom of the upper cover is fixedly connected with sealing ring, the top of the filter box is provided with sealing groove, the surface of the sealing groove is movably connected with the surface of sealing ring.

[0008] Preferably, the inner wall of the filter box is fixedly connected with fixing rods, the number of the fixing rods is four, and the surface of the fixing rods is fixedly connected with the surface of the copper sheet.

[0009] Preferably, the surface of the first filter screen and the surface of the second filter screen are fixedly connected with frames, the front side and the rear side of the frame are fixedly connected with positioning blocks, the inner wall of the filter box is provided with a positioning groove, and the inner part of the positioning groove is slidably connected with the surface of the positioning block.

[0010] Preferably, the top of the filter box is fixedly connected with a water tank, the top of the copper pipe penetrates through the top of the filter box and extends into the inner part of the water tank, and the front side of the water tank is fixedly connected with a water outlet.

[0011] Preferably, the top of the shell is fixedly connected with a pipeline, one end of the pipeline is fixedly connected with the top of the filter box, and the top of the pipeline is fixedly connected with a valve.

[0012] Preferably, the bottom of the shell is fixedly connected with a bearing block, the bottom of the bearing block is fixedly connected with the top of the base, the top of the protection box is fixedly connected with a fixing block, and the inner part of the fixing block is fixedly connected with the surface of the funnel.

[0013] The utility model discloses the beneficial effect lies in:

[0014] The utility model discloses a vacuum pump is extracted to the hot gas in the shell, and then hot gas enters the filter box, and the first filter screen and the second filter screen are used for filtering the impurity in the hot gas, and then the copper sheet is used for reducing the temperature of air, which realizes the effect of filtering the impurity and reducing the temperature of the hot gas, and solves the problem that the hot gas is extracted by the vacuum pump, which can damage the material and sealing element of the vacuum pump and also affect the performance and service life of the pump. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0016] Figure 1 It is the whole structure schematic view of the utility model;

[0017] Figure 2 It is the filter box internal structure sectional view of the utility model;

[0018] Figure 3 It is the filter box structure schematic view of the utility model;

[0019] Figure 4 It is the filter box structure sectional view of the utility model;

[0020] Figure 5 It is the copper pipe, copper sheet and water tank structure exploded connection schematic view of the utility model;

[0021] Figure 6 It is the frame, sealing groove and positioning groove structure exploded connection schematic view of the utility model.

[0022] In the drawing: 1, base; 2, vacuumizing mechanism; 201, filter box; 202, vacuum pump; 203, first filter screen; 204, upper cover; 205, buckle; 206, copper pipe; 207, copper sheet; 208, fixed rod; 209, water tank; 210, water outlet; 211, frame; 212, fixed hole; 213, second filter screen; 214, positioning groove; 215, positioning block; 216, sealing ring; 217, sealing groove; 3, protection box; 4, shell; 5, die head; 6, pipeline; 7, valve; 8, bearing block; 9, hopper; 10, fixed block; 11, motor; 12, screw rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] The following will be combined with the drawings in the embodiments of the utility model Figures 1-6 The application will be further described in detail,

[0025] The embodiments of the application disclose a silicon carbide extrusion molding device. Referring to Figure 1 and Figure 6 A silicon carbide extrusion molding device, comprising a base 1, the top of the base 1 is provided with a vacuumizing mechanism 2, the back side of the top of the base 1 is fixedly connected with a protection box 3, the left side of the protection box 3 is fixedly connected with a shell 4, the front end of the shell 4 is movably connected with a die head 5, the top of the shell 4 is fixedly connected with a hopper 9, the inner cavity of the protection box 3 is fixedly connected with a motor 11, the output end of the motor 11 is fixedly connected with a screw rod 12, the front side of the screw rod 12 penetrates to the inside of the shell 4;

[0026] The vacuumizing mechanism 2 includes a filter box 201 fixedly connected to the top of the base 1, a vacuum pump 202 fixedly communicated with the rear end of the filter box 201, first and second filter screens 203 and 213 respectively installed in the inner cavity of the filter box 201, an upper cover 204 rotationally connected to the top of the filter box 201 through a hinge, the upper cover 204 located on top of the first and second filter screens 203 and 213, a buckle 205 fixedly connected to the front side of the upper cover 204, the upper cover 204 clamped to the surface of the filter box 201 through the buckle 205, and copper sheets 207 installed in the inner cavity of the filter box 201, the number of the copper sheets 207 being several, and a fixed hole 212 formed in the inner part of each copper sheet 207 and a copper pipe 206 fixedly connected to the surface of the fixed hole 212.

[0027] With reference to Figure 4 and Figure 6 , a sealing ring 216 fixedly connected to the bottom of the upper cover 204, and a sealing groove 217 formed in the top of the filter box 201 and movably connected to the surface of the sealing ring 216, the sealing ring 216 and the sealing groove 217 making the upper cover 204 better sealed after being closed, preventing the existence of gaps between the upper cover 204 and the filter box 201 from reducing the working efficiency of the vacuum pump 202.

[0028] With reference to Figure 4 and Figure 5 , a fixed rod 208 fixedly connected to the inner wall of the filter box 201, the number of the fixed rod 208 being four, and the surface of the fixed rod 208 fixedly connected to the surface of the copper sheet 207, the fixed rod 208 making the position of the copper sheet 207 more stable, preventing the copper sheet 207 from loosening or displacing to reduce the heat dissipation efficiency of the copper sheet 207.

[0029] With reference to Figure 6 , the surface of each of the first and second filter screens 203 and 213 fixedly connected to a frame 211, the front and rear sides of the frame 211 fixedly connected to a positioning block 215, and a positioning groove 214 formed in the inner wall of the filter box 201 and slidably connected to the surface of the positioning block 215, the frame 211 making the position of the first and second filter screens 203 and 213 more stable, the positioning groove 214 and the positioning block 215 making the frame 211 more easily pulled out and put in, and the first and second filter screens 203 and 213 more conveniently replaced after being used for a long time.

[0030] With reference to Figure 3 and Figure 5The top of the filter box 201 is fixedly connected with a water tank 209, the top of the copper pipe 206 penetrates through the top of the filter box 201 and extends to the inside of the water tank 209, the front side of the water tank 209 is fixedly connected with a water outlet 210, by adding water in the inside of the water tank 209, the heat generated by the copper pipe 206 during operation can be quickly exchanged by the water in the inside of the water tank 209, the water outlet 210 can quickly discharge the water in the inside of the water tank 209, facilitating replacement of the water in the inside of the water tank 209;

[0031] With reference to Figure 1 The top of the shell 4 is fixedly connected with a pipeline 6, one end of the pipeline 6 is fixedly connected with the top of the filter box 201, and the top of the pipeline 6 is fixedly connected with a valve 7. By arranging the pipeline 6, the vacuum pump 202 can extract the hot gas in the inside of the shell 4 through the pipeline 6, and when it is not needed, the valve 7 is only needed to be closed, so as to prevent the hot gas from damaging the internal structure of the vacuum extraction mechanism 2 through the pipeline 6.

[0032] With reference to Figure 1 And Figure 2 The bottom of the shell 4 is fixedly connected with a bearing block 8, the bottom of the bearing block 8 is fixedly connected with the top of the base 1, and the top of the protection box 3 is fixedly connected with a fixed block 10, the inside of the fixed block 10 is fixedly connected with the surface of the funnel 9. By arranging the fixed block 10, the position of the funnel 9 is more stable, so as to prevent the funnel 9 from being damaged due to being too heavy during discharging, and the position of the shell 4 is more stable by the bearing block 8, so as to prevent the shell 4 from being broken or damaged due to unstable position.

[0033] Working principle: in use, the worker needs to add water into the water tank 209 first, then opens the vacuum pump 202 and the valve 7, and then the vacuum pump 202 extracts the hot gas in the shell 4, then the hot gas enters into the filter box 201 through the pipeline 6, then the impurities are filtered through the first filter screen 203 and the second filter screen 213, when the first filter screen 203 or the second filter screen 213 needs to be replaced, only needs to open the upper cover 204, then takes the frame 211 to replace the first filter screen 203 or the second filter screen 213, the filtered hot gas passes through the copper sheet 207, then the copper sheet 207 absorbs and transmits the heat of the hot gas into the copper pipe 206, then the copper pipe 206 transmits the heat to the liquid in the copper pipe 206, then the liquid absorbs the heat and evaporates, after evaporation, reaches the top of the copper pipe 206, then the steam at the top of the copper pipe 206 is cooled by the water in the inside of the water tank 209, then the cooled water flows into the bottom of the copper pipe 206, and then the gas is discharged by the vacuum pump 202.

[0034] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A silicon carbide extrusion apparatus, comprising: The utility model provides a kind of vacuumizing mechanism (2) and vacuumizing mechanism (2) including base (1), the top of base (1) is provided with, the back side of the top of base (1) is fixedly connected with protective box (3), the left side of protective box (3) is fixedly connected with shell (4), the front end of shell (4) is movably connected with die head (5), the top of shell (4) is fixedly connected with hopper (9), the inner chamber of protective box (3) is fixedly connected with motor (11), the output of motor (11) is fixedly connected with screw rod (12), the front side of screw rod (12) is through to the inside of shell (4); The utility model provides a kind of vacuumizing mechanism (2) and vacuumizing mechanism (2) including base (1), the top of base (1) is provided with, the back side of the top of base (1) is fixedly connected with protective box (3), the left side of protective box (3) is fixedly connected with shell (4), the front end of shell (4) is movably connected with die head (5), the top of shell (4) is fixedly connected with hopper (9), the inner chamber of protective box (3) is fixedly connected with motor (11), the output of motor (11) is fixedly connected with screw rod (12), the front side of screw rod (12) is through to the inside of shell (4); 2. The apparatus of claim 1, wherein: The top of the utility model is fixedly connected with sealing ring (216), the top of filter box (201) is equipped with sealing groove (217), the surface of sealing groove (217) is movably connected with the surface of sealing ring (216).

3. The apparatus of claim 1, wherein: The inner wall of filter box (201) is fixedly connected with fixed rod (208), the number of fixed rod (208) is four, the surface of fixed rod (208) is fixedly connected with the surface of copper sheet (207).

4. The apparatus of claim 1, wherein: The surface of first filter screen (203) and second filter screen (213) is fixedly connected with frame (211), the front side and the back side of frame (211) are fixedly connected with positioning block (215), the inner wall of filter box (201) is equipped with positioning groove (214), the inner surface of positioning groove (214) is slidably connected with the surface of positioning block (215).

5. The apparatus of claim 1 wherein: The top of filter box (201) is fixedly connected with water tank (209), the top of copper pipe (206) is through the top of filter box (201) and extends to the inside of water tank (209), the front side of water tank (209) is fixedly connected with water outlet (210).

6. The apparatus of claim 1, wherein: The top of shell (4) is fixedly connected with pipeline (6), one end of pipeline (6) is fixedly connected with the top of filter box (201), the top of pipeline (6) is fixedly connected with valve (7).

7. The apparatus of claim 1 wherein: The bottom of the shell (4) is fixedly connected with a load-bearing block (8), the bottom of the load-bearing block (8) is fixedly connected with the top of the base (1), the top of the protection box (3) is fixedly connected with a fixed block (10), and the inside of the fixed block (10) is fixedly connected with the surface of the funnel (9).

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