Quantitative feeding device for ammonium perchlorate production

Abstract

The utility model discloses a quantitative feeding device for ammonium perchlorate production, which relates to the field of feeding devices and comprises a weighing protection hopper, a blanking hopper is arranged at the bottom of the weighing protection hopper, a supporting protection frame is rotatably mounted on the inner wall of the weighing protection hopper, a rotating motor is arranged in the weighing protection hopper, and a feeding hopper is arranged on the lower portion of the weighing protection hopper. An output shaft of the rotating motor is fixedly connected with a rotating shaft of the supporting and protecting frame, and an electronic scale is arranged on the supporting and protecting frame. A material scraping plate is arranged above the supporting protection frame, the lower surface of the material scraping plate is movably attached to the upper surface of the electronic scale, supporting sliding blocks are fixedly installed at the two ends of the lower surface of the material scraping plate, and the two supporting sliding blocks are slidably connected with the two sides of the supporting protection frame correspondingly; according to the feeding device, ammonium perchlorate on the electronic scale can be scraped off, the discharging efficiency is high, ammonium perchlorate adhered to the scraping plate can be shaken off, ammonium perchlorate residues can be avoided, and the feeding accuracy is high.

Description

Technical Field

[0001] The utility model relates to the field of feeding devices, in particular to a quantitative feeding device for ammonium perchlorate production. Background Art

[0002] Ammonium perchlorate is an inorganic compound that appears as a white crystalline powder. It is a strong oxidizing agent and can cause combustion and explosion when in contact with strong acids. Therefore, it is used in the manufacture of explosives, fireworks, and as an analytical reagent.

[0003] The raw materials for ammonium perchlorate production primarily include sodium chloride (NaCl) or hydrochloric acid (HCl) and ammonia (NH3). During the production process, these raw materials are converted into ammonium perchlorate through a specific chemical reaction. Specifically, sodium chloride or hydrochloric acid reacts with ammonia to produce ammonium perchlorate. To ensure sufficient reaction between the raw materials and avoid waste of resources, the input of each raw material must be strictly controlled.

[0004] Patent publication number CN213678938U discloses a quantitative feeding device for ammonium perchlorate production, which relates to the field of quantitative feeding technology. The device includes a transmission pipe, a sleeve is sleeved on the outer side of the transmission pipe, the tops of both sides of the transmission pipe are connected through a rotating shaft, and a baffle is sleeved in the middle of the rotating shaft. Although this device can feed quantitatively, it relies on the deformation of a spring for quantitative feeding. After long-term use, the deformation of the spring will cause errors in the feeding weight, and ammonium perchlorate raw material is easily left on the baffle, which will also cause feeding errors. Therefore, it is necessary to propose a quantitative feeding device for ammonium perchlorate production to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a quantitative feeding device for ammonium perchlorate production, so as to solve the problem that the device relies on the deformation of a spring for quantitative feeding, and when used for a long time, the deformation of the spring will cause an error in the feeding weight.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a quantitative feeding device for ammonium perchlorate production, comprising a weighing protection hopper, a lower hopper being provided at the bottom of the weighing protection hopper, a support and protection frame being rotatably mounted on the inner wall of the weighing protection hopper, a rotating motor being provided in the weighing protection hopper, an output shaft of the rotating motor being fixedly connected to a rotating shaft of the support and protection frame, and an electronic scale being provided on the support and protection frame;

[0007] A scraper plate is provided above the support and protection frame, and the lower surface of the scraper plate is movably fitted with the upper surface of the electronic scale. Support sliders are fixedly installed at both ends of the lower surface of the scraper plate, and the two support sliders are respectively slidably connected to the two sides of the support and protection frame. A first electromagnet is provided on one side of the support slider, and a second electromagnet is provided on both ends of the support and protection frame away from the rotating motor. The first electromagnet and the second electromagnet are magnetically attracted to each other, and a contact switch is provided on the inner wall of the weighing protection bucket above the support and protection frame. The contact switch cooperates with the support and protection frame, and the first electromagnet and the second electromagnet are both electrically connected to the contact switch.

[0008] Preferably, one end of a return spring is fixedly connected to the side of the scraper plate close to the contact switch, a vertical plate is fixedly installed on the side of the upper surface of the support protection frame close to the contact switch, and the other end of the return spring is fixedly connected to the vertical plate.

[0009] Preferably, vibration plates are provided on both sides of the bottom of the support and protection frame, and the vibration plates are located at one end of the support and protection frame away from the rotating motor, and the vibration plates are in active contact with the inner surface of the lower hopper.

[0010] Preferably, a spring seat is fixedly mounted on the inner wall of the support and protection frame, an extrusion spring is provided on the lower surface of the spring seat, and one end of the extrusion spring is fixedly connected to the upper surface of the contact switch.

[0011] Preferably, the position where the upper end of the lower hopper communicates with the weighing protection hopper is circular, and the distance between the two second electromagnets is smaller than the diameter of the upper end of the lower hopper.

[0012] The technical effects and advantages of this utility model are:

[0013] 1. During operation, place ammonium perchlorate on an electronic scale to accurately weigh the required weight of ammonium perchlorate, start the rotating motor to drive the support and protection frame to rotate, so that the ammonium perchlorate above the electronic scale is added to the lower hopper, with high feeding accuracy;

[0014] 2. During operation, when the support and protection frame rotates to unload, the end of the support and protection frame close to the contact switch rises and moves upward with the extrusion contact switch to start the first electromagnet and the second electromagnet, and the two are adsorbed, so that the support slider drives the scraper plate to move and scrape the ammonium perchlorate on the electronic scale, with high unloading efficiency. When the first electromagnet and the second electromagnet are in contact, the scraper plate will vibrate, which can shake off the ammonium perchlorate stuck on the scraper plate, avoid ammonium perchlorate residue, cause feeding errors, and have high feeding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic structural diagram of a quantitative feeding device for ammonium perchlorate production.

[0016] Figure 2 This is a top view of the quantitative feeding device for ammonium perchlorate production according to the utility model.

[0017] Figure 3 The utility model is a schematic diagram of the internal structure of a quantitative feeding device for ammonium perchlorate production.

[0018] In the figure: 1. Weighing protection bucket; 2. Discharging hopper; 3. Support protection frame; 4. Rotating motor; 5. Electronic scale; 6. Scraper plate; 7. Support slider; 8. First electromagnet; 9. Second electromagnet; 10. Contact switch; 11. Return spring; 12. Vertical plate; 13. Spring seat; 14. Vibration plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] The utility model provides Figure 1-Figure 3 The quantitative feeding device shown in the figure is used for ammonium perchlorate production, including a weighing protection hopper 1, and a lower hopper 2 is provided at the bottom of the weighing protection hopper 1. The lower hopper 2 is conveniently set up on the ammonium perchlorate production equipment to facilitate feeding. This type of setting is a conventional setting, so it will not be described in detail.

[0021] In order to solve the problem that the device relies on the deformation of the spring to perform quantitative feeding, and the deformation of the spring after long-term use will cause errors in the feeding weight, the utility model has a support and protection frame 3 rotatably installed on the inner wall of the weighing and protection bucket 1, a rotating motor 4 is provided in the weighing and protection bucket 1, and the output shaft of the rotating motor 4 is fixedly connected to the rotating shaft of the support and protection frame 3. An electronic scale 5 is provided on the support and protection frame 3. When working, ammonium perchlorate is placed on the electronic scale 5 to accurately weigh the required weight of ammonium perchlorate, and the rotating motor 4 is started to drive the support and protection frame 3 to rotate, so that the ammonium perchlorate above the electronic scale 5 is added to the interior of the lower hopper 2, and the feeding accuracy is high;

[0022] Furthermore, the utility model is provided with a scraper plate 6 above the support and protection frame 3, and the lower surface of the scraper plate 6 is movably fitted with the upper surface of the electronic scale 5. Support sliders 7 are fixedly installed on both ends of the lower surface of the scraper plate 6. The two support sliders 7 are respectively slidably connected to the two sides of the support and protection frame 3. A first electromagnet 8 is provided on one side of the support slider 7. A second electromagnet 9 is provided on one end of both sides of the support and protection frame 3 away from the rotating motor 4. The first electromagnet 8 and the second electromagnet 9 are magnetically attracted to each other. A contact switch 10 is provided on the inner wall of the weighing protection bucket 1 above the support and protection frame 3. The contact switch 10 cooperates with the support and protection frame 3. The first electromagnet 8 and the second electromagnet 9 are both electrically connected to the contact switch 10. During operation, when the support and protection frame 3 rotates to unload, the end of the support and protection frame 3 close to the contact switch 10 is tilted up and moves upward with the squeeze contact switch 10 to start the first electromagnet 8 and the second electromagnet 9, and the two are adsorbed, so that the support slider 7 drives the scraper plate 6 to move and scrape off the ammonium perchlorate on the electronic scale 5, with high unloading efficiency. When the first electromagnet 8 and the second electromagnet 9 are in contact, the scraper plate 6 will vibrate, which can shake off the ammonium perchlorate stuck on the scraper plate 6, avoid ammonium perchlorate residue, and cause feeding errors, and have high feeding accuracy.

[0023] Furthermore, the utility model is fixedly connected to one end of a return spring 11 on the side of the scraper plate 6 close to the contact switch 10, and a vertical plate 12 is fixedly installed on the side of the upper surface of the support and protection frame 3 close to the contact switch 10. The other end of the return spring 11 is fixedly connected to the vertical plate 12, and a spring seat 13 is fixedly installed on the inner wall of the support and protection frame 3. The lower surface of the spring seat 13 is provided with an extrusion spring, and one end of the extrusion spring is fixedly connected to the upper surface of the contact switch 10. During operation, after the ammonium perchlorate completely enters the lower hopper 2, the rotating motor 4 reverses and drives the support and protection frame 3 to reset. At this time, the contact switch 10 is disconnected under the elastic force of the extrusion spring. At this time, the first electromagnet 8 and the second electromagnet 9 are powered off and lose their magnetism. Under the elastic force of the return spring 11, the scraper plate 6 is reset, which is convenient for scraping again.

[0024] It should be noted that a circuit board for supplying power to the first electromagnet 8 and the second electromagnet 9 is provided above the contact switch 10 inside the weighing protection bucket 1. The contact switch 10 moves upward and contacts the circuit board to supply power to the first electromagnet 8 and the second electromagnet 9. This type of setting is a conventional setting, and the circuit board can be selected according to needs, so there is no limitation.

[0025] Vibration plates 14 are provided on both sides of the bottom of the support and protection frame 3, and the vibration plate 14 is located at the end of the support and protection frame 3 away from the rotating motor 4. The vibration plate 14 is in active contact with the inner surface of the lower hopper 2. The setting of the vibration plate can vibrate the inner wall of the lower hopper 2, which can prevent the inner wall of the lower hopper 2 from sticking to ammonium perchlorate, and can further improve the accuracy of feeding.

[0026] The position where the upper end of the lower hopper 2 is connected to the weighing protection hopper 1 is circular, and the distance between the two second electromagnets 9 is smaller than the diameter of the upper end of the lower hopper 2.

Claims

1. A quantitative feeding device for ammonium perchlorate production, comprising a weighing protection hopper (1), characterized in that: A lower hopper (2) is provided at the bottom of the weighing protection hopper (1); a support protection frame (3) is rotatably mounted on the inner wall of the weighing protection hopper (1); a rotating motor (4) is provided in the weighing protection hopper (1); an output shaft of the rotating motor (4) is fixedly connected to a rotating shaft of the support protection frame (3); and an electronic scale (5) is provided on the support protection frame (3); A scraper plate (6) is provided above the support and protection frame (3), and the lower surface of the scraper plate (6) is movably fitted with the upper surface of the electronic scale (5). Support sliders (7) are fixedly installed at both ends of the lower surface of the scraper plate (6), and the two support sliders (7) are respectively slidably connected to the two sides of the support and protection frame (3). A first electromagnet (8) is provided on one side of the support slider (7), and a second electromagnet (9) is provided on both sides of the support and protection frame (3) away from the rotating motor (4). The first electromagnet (8) and the second electromagnet (9) are magnetically attracted to each other. A contact switch (10) is provided on the inner wall of the weighing protection bucket (1) located above the support and protection frame (3). The contact switch (10) cooperates with the support and protection frame (3), and the first electromagnet (8) and the second electromagnet (9) are both electrically connected to the contact switch (10).

2. A quantitative feeding device for ammonium perchlorate production according to claim 1, characterized in that: One end of a return spring (11) is fixedly connected to the side of the scraper plate (6) close to the contact switch (10), and a vertical plate (12) is fixedly installed on the side of the upper surface of the support protection frame (3) close to the contact switch (10), and the other end of the return spring (11) is fixedly connected to the vertical plate (12).

3. A quantitative feeding device for ammonium perchlorate production according to claim 1, characterized in that: Vibration plates (14) are provided on both sides of the bottom of the support and protection frame (3), and the vibration plate (14) is located at one end of the support and protection frame (3) away from the rotating motor (4), and the vibration plate (14) is in active contact with the inner surface of the lower hopper (2).

4. The quantitative feeding device for ammonium perchlorate production according to claim 1, wherein: A spring seat (13) is fixedly mounted on the inner wall of the support and protection frame (3), and a compression spring is provided on the lower surface of the spring seat (13), one end of which is fixedly connected to the upper surface of the contact switch (10).

5. The quantitative feeding device for ammonium perchlorate production according to claim 1, wherein: The position where the upper end of the lower hopper (2) communicates with the weighing protection hopper (1) is circular, and the distance between the two second electromagnets (9) is smaller than the diameter of the upper end of the lower hopper (2).

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