A laboratory grade automatic solids powder addition device

Abstract

The utility model relates to material adding technical field, and disclose a kind of laboratory level automatic adding solid powder's device, including base, fixed mounting in the inner wall of base's stand, detachably mounted in the top of stand's small connecting sleeve, small connecting sleeve side wall fixed connection's small hoop, the funnel fixed connection in small hoop inner surface, the top cover detachably connected of funnel top and the three-lobed rotary switch being set in funnel bottom. By the setting of dispersion module, when the filter cartridge is oscillated left and right, the center of gravity of the taper sleeve deviates from the centerline of the fixed ring due to the setting of the counterweight, and when the taper sleeve oscillates left and right with the fixed ring, it will rotate and reverse intermittently in the oscillation process due to the deviation of the center of gravity, and the arc strips and notches set on the outer surface of the taper sleeve, which improves the dispersion effect of the powder material, avoids the powder material from concentrating on a certain place on the filter screen during discharge, and facilitates uniform feeding of the solid powder material in the solution.

Description

Technical Field

[0001] This utility model relates to the field of material addition technology, specifically a laboratory-grade automatic solid powder addition device. Background Technology

[0002] In laboratory experiments, it is common to encounter operations that require adding solid powder to solutions. For example, when precipitating ammonium sulfate, solid ammonium sulfate powder needs to be added to the sample, and the process must be slow and the amount added each time must be small. This step is quite labor-intensive and time-consuming.

[0003] In existing technologies, flow control valves or switches are typically used to control the flow rate of the container holding solid powder at the discharge port. A filter screen of the appropriate material is installed at the discharge port to block and disperse the powder. Although this method can avoid concentrated discharge of solid powder, local accumulation and uneven dispersion still occur in the filter screen cylinder. Even with vibration dispersion of the filter screen cylinder, the amount of solid powder accumulated in the center of the filter screen cylinder is still greater than that at the edges, resulting in uneven addition of solid powder. To address this issue, we propose a laboratory-grade automatic solid powder addition device. Utility Model Content

[0004] The purpose of this invention is to provide a laboratory-grade automatic solid powder addition device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a laboratory-grade automatic solid powder adding device, comprising a base, a column fixedly installed on the inner wall of the base, a small connecting sleeve detachably installed on the top of the column, a small clamp fixedly connected to the side wall of the small connecting sleeve, a funnel fixedly connected to the inner surface of the small clamp, a top cover detachably connected to the top of the funnel, and a three-leaf rotary switch provided at the bottom of the funnel. A large connecting sleeve is detachably installed on the side wall of the column, a vibrating motor is fixedly installed on the side wall of the large connecting sleeve, a large clamp is fixedly connected to the output end of the vibrating motor, a filter cylinder is fixedly installed on the inner surface of the large clamp, a filter screen is detachably installed on the bottom inner wall of the filter cylinder, a support tube is fixedly installed on the side wall of the large connecting sleeve, the support tube slides in cooperation with the output end of the vibrating motor, and a dispersion module is provided inside the filter cylinder to expand the material dispersion area of ​​the funnel inside the filter cylinder.

[0006] Preferably, the dispersion module includes a slide rod fixedly installed on the inner wall of the side of the filter cylinder. A sleeve is fitted on the outer wall of the end of the slide rod. A fixing ring is fixedly connected to the end of the sleeve. A conical sleeve is rotatably connected to the outer surface of the fixing ring. A through hole is opened at the top of the conical sleeve. A spring is fixedly connected between the end of the slide rod and the inner wall of the sleeve. A coil spring is fixedly connected between the bottom inner wall of the fixing ring and the inner wall of the conical sleeve. A counterweight is fixedly installed on the bottom inner surface of the conical sleeve. An arc strip is fixedly installed on the outer surface of the conical sleeve. A notch is opened at the center of the arc strip.

[0007] Preferably, the centerlines of the funnel and the filter cylinder are arranged on the same vertical line, and the inner diameter of the through hole is smaller than the inner diameter of the discharge port at the bottom of the funnel.

[0008] Preferably, the surface of the fixing ring near the sleeve is configured as an inclined surface that matches the outer surface of the conical sleeve, and the outer surface of the fixing ring is in complete contact with the outer surface of the conical sleeve.

[0009] Preferably, there are two sets of slide rods, sleeves and springs, with the two sets of slide rods, sleeves and springs mirror images of each other on both sides of the fixed ring, and the two sets of slide rods, sleeves and springs are in the same horizontal plane as the output end of the oscillating motor.

[0010] Preferably, the outer surface of the counterweight is arc-shaped, and the counterweight is disposed on the inner surface of the conical sleeve side at the center of the two sets of sleeves.

[0011] Preferably, the number of the arc strips is set to multiple sets, and the multiple sets of arc strips are arranged in a circumferential array on the outer surface of the cone sleeve, and the shape of the notch groove is X-shaped with the arc strips.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: This laboratory-grade automatic solid powder addition device, through the setting of the dispersion module, when the filter cylinder vibrates left and right to disperse the material, in conjunction with the transmission of two sets of sliding rods, sleeves, and springs set on the same straight line, causes the fixed ring and cone sleeve to vibrate left and right, expanding the dispersion range of the solid powder material. At the same time, due to the setting of the counterweight, the center of gravity of the cone sleeve is deviated from the center line of the fixed ring. When the cone sleeve vibrates left and right with the fixed ring, the counterweight will cause the cone sleeve to deflect slightly relative to the fixed ring. Combined with the elasticity of the coil spring, the cone sleeve will intermittently rotate and reverse during the vibration process. In conjunction with the arc strips and notches set on the outer surface of the cone sleeve, the dispersion effect of the powder material is improved, and the powder material is prevented from concentrating in a certain place on the filter screen during feeding, so as to facilitate the uniform addition of solid powder material in the solution. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2This is an exploded view of the funnel, top cover, and filter cylinder of this utility model;

[0015] Figure 3 This is a cross-sectional view of the filter cartridge of this utility model;

[0016] Figure 4 This is a bottom view of the conical sleeve structure of this utility model;

[0017] Figure 5 This is a schematic cross-sectional view of the conical sleeve of this utility model.

[0018] The components represented by each number in the attached diagram are listed below: 1. Base; 2. Column; 3. Small connecting sleeve; 4. Small clamp; 5. Funnel; 6. Three-leaf rotary switch; 7. Top cover; 8. Large connecting sleeve; 9. Vibrating motor; 10. Large clamp; 11. Support tube; 12. Filter cylinder; 13. Slide rod; 14. Sleeve; 15. Fixing ring; 16. Spring; 17. Conical sleeve; 18. Through hole; 19. Coil spring; 20. Arc strip; 21. Notch groove; 22. Counterweight; 23. Filter screen. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figures 1-5 The diagram shows a laboratory-grade automatic solid powder dispensing device, comprising a base 1, a column 2 fixedly installed on the inner wall of the base 1, a small connecting sleeve 3 detachably installed on the top of the column 2, a small clamp 4 fixedly connected to the side wall of the small connecting sleeve 3, a funnel 5 fixedly connected to the inner surface of the small clamp 4, a top cover 7 detachably connected to the top of the funnel 5, and a three-leaf rotary switch 6 at the bottom of the funnel 5. A large connecting sleeve 8 is detachably installed on the side wall of the column 2, a vibrating motor 9 is fixedly installed on the side wall of the large connecting sleeve 8, a large clamp 10 is fixedly connected to the output end of the vibrating motor 9, a filter cylinder 12 is fixedly installed on the inner surface of the large clamp 10, a filter screen 23 is detachably installed on the bottom inner wall of the filter cylinder 12, a support tube 11 is fixedly installed on the side wall of the large connecting sleeve 8, the support tube 11 slides with the output end of the vibrating motor 9, and a dispersion module is provided inside the filter cylinder 12 to expand the material dispersion area of ​​the funnel 5 inside the filter cylinder 12.

[0021] Both the small connecting sleeve 3 and the large connecting sleeve 8 are equipped with fastening bolts on their sides, and the ends of the fastening bolts are equipped with rubber handwheels, which allows the experimenter to manually adjust and fix the position of the small connecting sleeve 3 and the large connecting sleeve 8 on the column 2. At the same time, the feeding speed of solid powder in the funnel 5 can be adjusted by the three-leaf rotary switch 6. In addition, the inner diameter of the support tube 11 is adapted to the outer diameter of the output end of the oscillating motor 9, thereby forming a triangular support structure on the side of the large clamp 10, ensuring the stability of the large clamp 10 and the filter cylinder 12 during use, and facilitating the generation of a small horizontal oscillation effect on the large clamp 10 and the filter cylinder 12 when the oscillating motor 9 is started. The removability of the filter screen 23 allows the experimenter to replace the filter screen 23 according to the actual powder addition needs, thereby improving the adaptability of the device.

[0022] The dispersion module includes a slide rod 13 fixedly installed on the inner wall of the side of the filter cylinder 12. A sleeve 14 is fitted on the outer wall of the end of the slide rod 13. A fixing ring 15 is fixedly connected to the end of the sleeve 14. A conical sleeve 17 is rotatably connected to the outer surface of the fixing ring 15. A through hole 18 is opened at the top of the conical sleeve 17. A spring 16 is fixedly connected between the end of the slide rod 13 and the inner wall of the sleeve 14. A coil spring 19 is fixedly connected between the bottom inner wall of the fixing ring 15 and the inner wall of the conical sleeve 17. A counterweight 22 is fixedly installed on the bottom inner surface of the conical sleeve 17. An arc strip 20 is fixedly installed on the outer surface of the conical sleeve 17. A notch 21 is opened at the center of the arc strip 20.

[0023] Please see Figures 3 to 5 The inner diameter of the sleeve 14 is adapted to the slide rod 13. When the filter cylinder 12 oscillates left and right, the sleeve 14 will slide relative to the slide rod 13 in the horizontal direction. At the same time, the cone sleeve 17 inside the filter cylinder 12 will also oscillate repeatedly in the horizontal direction due to the setting of the spring 16.

[0024] The centerlines of the funnel 5 and the filter cylinder 12 are set on the same vertical line, and the inner diameter of the through hole 18 is smaller than the inner diameter of the bottom outlet of the funnel 5.

[0025] In the initial state, the material in the funnel 5 can fall exactly into the bottom center of the filter cylinder 12. Even if the filter cylinder 12 vibrates in the horizontal direction, the material is not easy to spill out because the funnel 5 and the filter cylinder 12 are concentric, thus avoiding material waste and experimental data errors. At the same time, the small inner diameter of the through hole 18 means that when the cone sleeve 17 is aligned with the discharge port of the funnel 5 during the left and right oscillation, it will not completely guide the material downward, thus improving the dispersion effect of the material 5 falling from the funnel.

[0026] The surface of the retaining ring 15 near the sleeve 14 is configured as an inclined surface that matches the outer surface of the tapered sleeve 17, and the outer surface of the retaining ring 15 is in complete contact with the outer surface of the tapered sleeve 17.

[0027] Please seeFigures 4 to 5 The outer surface of the cone sleeve 17 is provided with an annular groove that matches the size of the fixed ring 15, so as to ensure that the cone sleeve 17 and the fixed ring 15 are relatively stationary in the horizontal direction, and at the same time, it will not affect the rotation of the cone sleeve 17 on the outside of the fixed ring 15. Furthermore, due to the fit between the outer surface of the cone sleeve 17 and the outer surface of the fixed ring 15, the powder material is prevented from entering the internal gap of the cone sleeve 17 during feeding and dispersion, thus avoiding material loss and jamming of the cone sleeve 17.

[0028] There are two sets of slide rods 13, sleeves 14 and springs 16. The two sets of slide rods 13, sleeves 14 and springs 16 are mirror images of each other on both sides of the fixed ring 15, and the two sets of slide rods 13, sleeves 14 and springs 16 are in the same horizontal plane as the output end of the oscillating motor 9.

[0029] When the oscillating motor 9 starts, the large clamp 10 drives the filter cylinder 12 to oscillate in the horizontal direction. At this time, the two sets of sliding rods 13, sleeves 14 and springs 16 set on the same straight line will drive the fixed ring 15 and cone sleeve 17 to oscillate left and right in the horizontal direction, which improves the dispersion effect of solid powder materials in the filter cylinder 12.

[0030] The outer surface of the counterweight 22 is arc-shaped, and the counterweight 22 is located on the inner surface of the cone sleeve 17 at the center of the two sets of sleeves 14.

[0031] Please see Figure 4 The counterweight 22 is set inside the cone sleeve 17 on one side, so that the overall center of gravity of the cone sleeve 17 is not on the same vertical line as the fixed ring 15. Therefore, when the cone sleeve 17 oscillates left and right with the fixed ring 15, the counterweight 22 will cause the cone sleeve 17 to deflect slightly relative to the fixed ring 15. Furthermore, due to the setting of the coil spring 19, the cone sleeve 17 will also intermittently rotate and reverse on the horizontal plane when oscillating left and right.

[0032] The number of arc strips 20 is set in multiple groups, and the multiple groups of arc strips 20 are arranged in a circumferential array on the outer surface of the cone sleeve 17, and the shape of the notch groove 21 is X-shaped with the arc strips 20.

[0033] The arrangement of multiple sets of arc strips 20 can guide the solid powder material falling on the outer surface of the cone sleeve 17, causing it to disperse and be fed into the filter cylinder 12. At the same time, the direction of the notch groove 21 intersects with the direction of the arc strip 20, causing some of the solid powder material sliding along the surface of the arc strip 20 to move in the opposite direction along the notch groove 21, further improving the dispersion effect of the powder material, so as to facilitate the uniform feeding of solid powder material in the solution.

[0034] Working principle: The solid powder material to be added is placed into the funnel 5, and the top cover 7 is screwed onto the top of the funnel 5. Then, the container holding the solution containing the material to be added is placed at the bottom of the filter cylinder 12. At this time, the three-lobe rotary switch 6 is controlled to start releasing the solid powder material in the funnel 5. At the same time, the oscillating motor 9 is started, which drives the large clamp 10 and the filter cylinder 12 to produce a small oscillation effect in the horizontal direction. Simultaneously, with the cooperation of two sets of sliding rods 13, sleeves 14 and springs 16 set on the same straight line, the fixing ring 15 and the conical sleeve 17 are driven to move forward. The cone sleeve 17 oscillates left and right. At the same time, due to the setting of the counterweight 22, the center of gravity of the cone sleeve 17 is deviated from the center line of the fixed ring 15. When the cone sleeve 17 oscillates left and right with the fixed ring 15, the counterweight 22 will cause the cone sleeve 17 to deflect slightly relative to the fixed ring 15. Furthermore, due to the setting of the coil spring 19, the cone sleeve 17 will also intermittently rotate and reverse on the horizontal plane when oscillating left and right. Combined with the arc strip 20 and notch groove 21 set on the outer surface of the cone sleeve 17, the dispersion effect of the powder material is improved, so as to facilitate the uniform feeding of solid powder material in the solution.

[0035] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A laboratory-grade automatic solid powder adding device, comprising a base (1), a column (2) fixedly installed on the inner wall of the base (1), a small connecting sleeve (3) detachably installed on the top of the column (2), a small clamp (4) fixedly connected to the side wall of the small connecting sleeve (3), a funnel (5) fixedly connected to the inner surface of the small clamp (4), a top cover (7) detachably connected to the top of the funnel (5), and a three-leaf rotary switch (6) provided at the bottom of the funnel (5), characterized in that: The side wall of the column (2) is detachably fitted with a large connecting sleeve (8), the side wall of the large connecting sleeve (8) is fixedly fitted with a vibrating motor (9), the output end of the vibrating motor (9) is fixedly connected with a large clamp (10), the inner surface of the large clamp (10) is fixedly fitted with a filter cylinder (12), the bottom inner wall of the filter cylinder (12) is detachably fitted with a filter screen (23), the side wall of the large connecting sleeve (8) is fixedly fitted with a support tube (11), the support tube (11) is slidably fitted with the output end of the vibrating motor (9), and the filter cylinder (12) is provided with a dispersion module for the material discharging and dispersion area of ​​the enlarged funnel (5) in the filter cylinder (12).

2. The laboratory-grade automatic solid powder addition device according to claim 1, characterized in that: The dispersion module includes a slide rod (13) fixedly installed on the inner wall of the side of the filter cylinder (12). A sleeve (14) is fitted on the outer wall of the end of the slide rod (13). A fixing ring (15) is fixedly connected to the end of the sleeve (14). A conical sleeve (17) is rotatably connected to the outer surface of the fixing ring (15). A through hole (18) is opened at the top of the conical sleeve (17). A spring (16) is fixedly connected between the end of the slide rod (13) and the inner wall of the sleeve (14). A coil spring (19) is fixedly connected between the bottom inner wall of the fixing ring (15) and the inner wall of the conical sleeve (17). A counterweight (22) is fixedly installed on the bottom inner surface of the conical sleeve (17). An arc strip (20) is fixedly installed on the outer surface of the conical sleeve (17). A notch (21) is opened at the center of the arc strip (20).

3. The laboratory-grade automatic solid powder addition device according to claim 2, characterized in that: The center lines of the funnel (5) and the filter cylinder (12) are set on the same vertical line, and the inner diameter of the through hole (18) is smaller than the inner diameter of the bottom outlet of the funnel (5).

4. The laboratory-grade automatic solid powder addition device according to claim 2, characterized in that: The surface of the fixing ring (15) near the sleeve (14) is set as an inclined surface that matches the outer surface of the cone sleeve (17), and the outer surface of the fixing ring (15) is completely in contact with the outer surface of the cone sleeve (17).

5. The laboratory-grade automatic solid powder addition device according to claim 2, characterized in that: The slide rod (13), sleeve (14) and spring (16) are provided in two sets. The two sets of slide rod (13), sleeve (14) and spring (16) are mirror images of each other on both sides of the fixed ring (15), and the two sets of slide rod (13), sleeve (14) and spring (16) are in the same horizontal plane as the output end of the oscillating motor (9).

6. The laboratory-grade automatic solid powder addition device according to claim 5, characterized in that: The outer surface of the counterweight (22) is arc-shaped, and the counterweight (22) is located on the inner surface of the cone sleeve (17) at the center of the two sets of sleeves (14).

7. The laboratory-grade automatic solid powder addition device according to claim 2, characterized in that: The number of arc strips (20) is set in multiple groups, and the multiple groups of arc strips (20) are arranged in a circumferential array on the outer surface of the cone sleeve (17), and the notch groove (21) is X-shaped with the arc strips (20).

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