A sampling device for detecting the particle size of silicon carbide micro powder

Abstract

The utility model discloses a kind of silicon carbide micro-powder particle size detection is used sampling device, it includes support plate, the support plate side surface is fixedly connected with fixed plate, the fixed plate upper surface is fixedly connected with motor one, the output of motor one is fixedly connected with screw rod, the screw rod side surface is threadedly connected with slide plate, the slide plate upper surface is provided with fixed component, the slide plate upper surface is fixedly connected with motor two, the output of motor two is fixedly connected with auger, the auger end away from motor two is fixedly connected with drill bit, the slide plate lower surface is fixedly connected with sampling inner cylinder, the sampling inner cylinder side surface is provided with inner hole, the slide plate lower surface is rotatably connected with sampling outer cylinder, the sampling outer cylinder side surface is provided with outer hole. Through above component, sampling outer cylinder can be inserted into micro-powder pile by screw rod, and micro-powder can be sequentially entered into sampling inner cylinder according to depth by auger, prevent micro-powder mixing, improve the accuracy of sampling.

Description

Technical Field

[0001] This utility model relates to the field of sampling equipment technology, and in particular to a sampling device for detecting the particle size of silicon carbide micro powder. Background Technology

[0002] Existing sampling devices for silicon carbide micropowder all involve inserting the sampling device into the micropowder pile and then sampling the micropowder. This can collect micropowder from different depths into the sampling cylinder, improving sampling accuracy. However, it can only roughly sample micropowder from different depths and is prone to mixing during the sampling process. For example, a sampling device for silicon carbide micropowder disclosed in Chinese Patent Application No. 202221441871.3, although it allows micropowder from different layers to easily enter the collection tank through the feed hole and rotate the sampler to disconnect the collection tank from the feed hole, thereby removing the sleeve, realizing the function of sampling micropowder from different layers, when the micropowder slides into the collection tank under the influence of weight, some micropowder slides into the collection tank below the original height and mixes with other micropowder, resulting in inaccurate sampling and limiting its use. Utility Model Content

[0003] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a sampling device for silicon carbide micro powder particle size detection. The sampling tube can be inserted into the silicon carbide micro powder pile to sample micro powder at different depths in the storage, which improves the accuracy of subsequent detection. At the same time, the sampling hole is sealed during the sampling process to prevent micro powder from entering through the hole and mixing with other micro powders during the insertion of the sampling tube, thus affecting the sampling results. The micro powder is sampled by an auger, so that the micro powder can enter the sampling tube in an orderly manner according to the depth. After the sampling is completed, the micro powder can be discharged from the sampling tube, which facilitates the cleaning of the sampling tube and reduces the waste of micro powder.

[0004] This utility model also provides a sampling device for detecting the particle size of silicon carbide micro powder, comprising: a support plate, a fixing plate fixedly connected to the side surface of the support plate, a motor fixedly connected to the upper surface of the fixing plate, a screw fixedly connected to the output end of the motor, and a sliding plate threadedly connected to the side surface of the screw.

[0005] The upper surface of the slide plate is equipped with a fixing component, and a second motor is fixedly connected to the upper surface of the slide plate. An auger is fixedly connected to the output end of the second motor, and a drill bit is fixedly connected to the end of the auger away from the second motor. A sampling inner cylinder is fixedly connected to the lower surface of the slide plate, and an inner hole is provided on the side surface of the sampling inner cylinder. A sampling outer cylinder is rotatably connected to the lower surface of the slide plate, and an outer hole is provided on the side surface of the sampling outer cylinder. Through these components, a screw can be used to drive the sampling outer cylinder into the powder pile, and the auger allows the powder to enter the sampling inner cylinder in an orderly manner according to depth, preventing powder mixing and improving sampling accuracy.

[0006] According to the sampling device for detecting the particle size of silicon carbide micro powder described in this utility model, the end of the screw away from the motor is rotatably connected to a base plate, and the side surface of the base plate is fixedly connected to a support plate. The other end of the screw is fixed to facilitate the movement of the sliding plate driven by the screw.

[0007] According to the present invention, a sampling device for detecting the particle size of silicon carbide micro powder has a side surface of the outer sampling cylinder that is slidably connected to the bottom plate during operation, and a side surface of the inner sampling cylinder that is rotatably connected to the outer sampling cylinder. When the outer sampling cylinder is retracted, the bottom plate can scrape off the adsorbed silicon carbide micro powder from the surface of the outer sampling cylinder, reducing silicon carbide waste.

[0008] According to the present invention, a sampling device for detecting the particle size of silicon carbide micropowder is provided, wherein the inner hole and the outer hole are connected during operation, and the side surface of the sliding plate is slidably connected to the support plate. When the outer hole and the inner hole are connected, silicon carbide micropowder can be taken out from the sampling inner cylinder for testing.

[0009] According to the sampling device for detecting the particle size of silicon carbide micro powder described in this utility model, the fixing component includes a fixing rod, and a spring is fixedly connected to the surface of the fixing rod. The spring can be used to drive the fixing rod to fix the limiting plate.

[0010] According to the sampling device for detecting the particle size of silicon carbide micro powder described in this utility model, the end of the spring away from the fixed rod is fixedly connected to the sliding plate, and the side surface of the fixed rod is slidably connected to the sliding plate. The elastic force of the spring can be used to drive the fixed rod to slide along the sliding plate.

[0011] According to the sampling device for silicon carbide micropowder particle size detection described in this utility model, a limiting plate is fixedly connected to the side surface of the sampling outer cylinder, and the limiting plate is rotatably connected to the sliding plate. The rotation of the sampling outer cylinder can be restricted by fixing the limiting plate with a fixing rod.

[0012] According to the present invention, a sampling device for detecting the particle size of silicon carbide micropowder is provided, wherein the side surface of the fixing rod is fixedly connected to the limiting plate during operation, and a suction cup is fixedly connected to the end of the support plate away from the bottom plate. The suction cup can be used to fix the device to the inner wall of the silicon carbide micropowder storage box for convenient sampling.

[0013] Beneficial effects:

[0014] Compared with existing technologies, this method allows the sampling tube to be inserted into the silicon carbide micro powder pile to sample micro powder at different depths in storage, improving the accuracy of subsequent testing. At the same time, the sampling holes are sealed during the sampling process to prevent micro powder from entering through the holes and mixing with other micro powders, thus affecting the sampling results. The auger is used to sample the micro powder, ensuring that the micro powder enters the sampling tube in an orderly manner according to its depth. After sampling, the micro powder can be discharged from the sampling tube, facilitating cleaning of the sampling tube and reducing micro powder waste. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0016] Figure 1 This is a front view of the overall structure of the sampling device for detecting the particle size of silicon carbide micro powder according to this utility model;

[0017] Figure 2 This is a rear view of the overall structure of the sampling device for detecting the particle size of silicon carbide micro powder according to this utility model;

[0018] Figure 3 This is a cross-sectional view of the sampling outer cylinder of the sampling device for detecting the particle size of silicon carbide micro powder according to this utility model;

[0019] Figure 4 This is a structural diagram of the fixed component of the sampling device for detecting the particle size of silicon carbide micro powder according to this utility model.

[0020] Legend:

[0021] 1. Support plate; 2. Motor 1; 3. Fixing plate; 4. Motor 2; 5. Fixing component; 6. Slide plate; 7. Screw; 8. Sampling outer cylinder; 9. Outer hole; 10. Base plate; 11. Suction cup; 12. Limiting plate; 13. Screw; 14. Sampling inner cylinder; 15. Inner hole; 16. Drill bit; 17. Fixing rod; 18. Spring. Detailed Implementation

[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0023] Reference Figures 1-4This utility model provides a sampling device for detecting the particle size of silicon carbide micro powder, which includes: a support plate 1, a fixing plate 3 fixedly connected to the side surface of the support plate 1, a supporting motor 2, a motor 2 fixedly connected to the upper surface of the fixing plate 3 to provide power for the rotation of the screw 7, a screw 7 fixedly connected to the output end of the motor 2, which drives the movement of the sliding plate 6 by rotation, a sliding plate 6 threadedly connected to the side surface of the screw 7, a sliding connection between the side surface of the sliding plate 6 and the support plate 1, which slides along the support plate 1 and drives the sampling outer cylinder 8 to be inserted into the silicon carbide micro powder pile for sampling;

[0024] A fixing component 5 is provided on the upper surface of the slide plate 6 to fix and limit the sampling outer cylinder 8, preventing the outer cylinder 8 from rotating during sampling. A motor 4 is fixedly connected to the upper surface of the slide plate 6 to provide power for the rotation of the auger 13. The output end of the motor 4 is fixedly connected to the auger 13, which can transport silicon carbide micro powder into the sampling inner cylinder 14 for easy sampling. After sampling, the auger can rotate in the reverse direction to discharge any remaining micro powder, reducing waste. A drill bit 16 is fixedly connected to the end of the auger 13 away from the motor 4, which can rotate under the drive of the auger 13, facilitating the insertion of the sampling outer cylinder 8 into the silicon carbide micro powder. The lower surface of the slide plate 6... A sampling inner cylinder 14 is fixedly connected, and the side surface of the sampling inner cylinder 14 is rotatably connected to the sampling outer cylinder 8. The silicon carbide micro powder can be stored at different depths under the drive of the auger 13. The side surface of the sampling inner cylinder 14 is provided with an inner hole 15, which is connected to the outer hole 9 during operation. When connected to the outer hole 9, the silicon carbide in the sampling inner cylinder 14 can be taken out from the outside to complete the sampling. The lower surface of the slide plate 6 is rotatably connected to the sampling outer cylinder 8, which can block the inner hole 15 to prevent the silicon carbide micro powder from leaking out of the inner hole 15 during the sampling process. The side surface of the sampling outer cylinder 8 is provided with an outer hole 9, which can be used to take out the micro powder when connected to the inner hole 15.

[0025] The end of the screw 7 away from the motor 2 is rotatably connected to the base plate 10, which connects and fixes one end of the screw 7. When the sampling outer cylinder 8 is taken out, the silicon carbide micro powder on the surface of the sampling outer cylinder 8 can be scraped off to reduce the waste of silicon carbide. The side surface of the base plate 10 is fixedly connected to the support plate 1, and the side surface of the sampling outer cylinder 8 is slidably connected to the base plate 10 during operation.

[0026] The fixing component 5 includes a fixing rod 17, which can be inserted into the hole of the limiting plate 12 to fix the limiting plate 12 and prevent the sampling outer cylinder 8 from rotating during use. A spring 18 is fixedly connected to the surface of the fixing rod 17, and the spring force drives the fixing rod 17 to be inserted into the hole of the limiting plate 12. The end of the spring 18 away from the fixing rod 17 is fixedly connected to the slide plate 6. The side surface of the fixing rod 17 is slidably connected to the slide plate 6. The side surface of the sampling outer cylinder 8 is fixedly connected to the limiting plate 12, and the surface is provided with holes, which can rotate the sampling outer cylinder 8. The limiting plate 12 is rotatably connected to the slide plate 6. The side surface of the fixing rod 17 is fixedly connected to the limiting plate 12 during operation. A suction cup 11 is fixedly connected to the end of the support plate 1 away from the bottom plate 10, which can adsorb the device onto the inner wall of the silicon carbide storage box, making it convenient for the device to take samples.

[0027] Working principle: The sampling outer cylinder 8 is rotated by the front end to separate the outer hole 9 from the inner hole 15. The fixed rod 17 is pulled and, under the fixation of the spring 18, inserted into the hole of the limiting plate 12. Then, the suction cup 11 is used to fix the device to the inner wall of the silicon carbide micro powder storage box. Next, motors 2 and 4 are started. Motor 2 drives the screw 7 to rotate, causing the sliding plate 6 to move the sampling outer cylinder 8 and insert it into the silicon carbide micro powder pile. Simultaneously, motor 4 drives the auger 13 and drill bit 16 to rotate, reducing the resistance of the outer cylinder 8 inserting into the micro powder pile, and using the auger... The auger 13 feeds the micro powder into the sampling inner cylinder 14 according to the depth. Then, the screw 7 rotates in the opposite direction to drive the slide plate 6 to reset. At the same time, the base plate 10 scrapes off the silicon carbide micro powder adsorbed on the surface of the sampling outer cylinder 8. Then, the fixing rod 17 is pulled to release the restriction on the sampling outer cylinder 8. After the inner hole 15 and the outer hole 9 are connected, another set of fixing parts 5 is used to fix the sampling outer cylinder 8. Then, the micro powder at the corresponding depth can be taken out according to the position of the inner hole 15 to complete the sampling. After the sampling is completed, the auger 13 is rotated in the opposite direction to discharge the micro powder, which improves the cleaning effect and reduces the waste of micro powder.

[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A sampling device for detecting the particle size of silicon carbide micro powder, characterized in that, include: Support plate (1), a fixing plate (3) is fixedly connected to the side surface of the support plate (1), a motor (2) is fixedly connected to the upper surface of the fixing plate (3), a screw (7) is fixedly connected to the output end of the motor (2), and a sliding plate (6) is threadedly connected to the side surface of the screw (7). The upper surface of the slide plate (6) is provided with a fixing component (5), the upper surface of the slide plate (6) is fixedly connected with a motor (4), the output end of the motor (4) is fixedly connected with an auger (13), the end of the auger (13) away from the motor (4) is fixedly connected with a drill bit (16), the lower surface of the slide plate (6) is fixedly connected with a sampling inner cylinder (14), the side surface of the sampling inner cylinder (14) is provided with an inner hole (15), the lower surface of the slide plate (6) is rotatably connected with a sampling outer cylinder (8), the side surface of the sampling outer cylinder (8) is provided with an outer hole (9).

2. The sampling device for detecting the particle size of silicon carbide micro powder according to claim 1, characterized in that, The screw (7) is rotatably connected to a base plate (10) at the end away from the motor (2), and the side surface of the base plate (10) is fixedly connected to the support plate (1).

3. The sampling device for detecting the particle size of silicon carbide micro powder according to claim 1, characterized in that, The side surface of the sampling outer cylinder (8) is slidably connected to the bottom plate (10) during operation, and the side surface of the sampling inner cylinder (14) is rotatably connected to the sampling outer cylinder (8).

4. The sampling device for detecting the particle size of silicon carbide micro powder according to claim 1, characterized in that, The inner hole (15) and the outer hole (9) are connected during operation, and the side surface of the slide plate (6) is slidably connected to the support plate (1).

5. A sampling device for detecting the particle size of silicon carbide micro powder according to claim 2, characterized in that, The fixing component (5) includes a fixing rod (17), and a spring (18) is fixedly connected to the surface of the fixing rod (17).

6. A sampling device for detecting the particle size of silicon carbide micro powder according to claim 5, characterized in that, The end of the spring (18) away from the fixed rod (17) is fixedly connected to the slide plate (6), and the side surface of the fixed rod (17) is slidably connected to the slide plate (6).

7. A sampling device for detecting the particle size of silicon carbide micro powder according to claim 1, characterized in that, A limiting plate (12) is fixedly connected to the side surface of the sampling outer cylinder (8), and the limiting plate (12) is rotatably connected to the sliding plate (6).

8. A sampling device for detecting the particle size of silicon carbide micro powder according to claim 5, characterized in that, The side surface of the fixing rod (17) is fixedly connected to the limiting plate (12) during operation, and a suction cup (11) is fixedly connected to the end of the support plate (1) away from the bottom plate (10).

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