Mixer for fireworks and crackers powder

Abstract

The utility model discloses a mixer for fireworks and crackers, which belongs to the technical field of mixers and comprises a mixing tank, a sealing cover is fixedly assembled on the top of the mixing tank, and a rotating pipe is rotatably connected to the inner wall of the sealing cover. Materials fed into the inner cavity of the mixing tank are automatically stirred through the spiral blades, the materials adhered to the inner wall of the mixing tank can be scraped off through rotation of the scraping plate, it is guaranteed that the materials can fully participate in mixing and discharging, and water is discharged into the inner cavities of the transverse pipe and the vertical pipe through the rotating pipe by means of cooperation of a water pipe and a pump; the inner wall of the mixing tank is scoured by utilizing the nozzle, then the servo motor can be driven again to drive the gear II to rotate, the rotating force can be transmitted to the gear I and the rotating pipe, and then the rotating pipe is utilized to drive the vertical pipe and the nozzle to rotate to scour all positions of the inner wall of the mixing tank, so that thoroughness in cleaning is guaranteed; fire disasters caused by gunpowder residues on the inner wall of the mixing tank in dry weather are avoided, and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mixers, in particular to a mixer for fireworks and firecrackers gunpowder. Background Art

[0002] Fireworks and firecrackers are traditional products in my country and have gone global. Setting off fireworks and firecrackers is an indispensable grand program for festival celebrations and has become a necessity for bird-scaring operations in airports and other places. There are thousands of fireworks and firecracker manufacturers in my country, and gunpowder mixing devices are common equipment among them.

[0003] In the fireworks and firecrackers manufacturing process, gunpowder and powder need to be mixed evenly before subsequent processing and production. The mixing steps are all done manually, which has high risks and safety hazards, and is inefficient. There are errors in manual mixing, so the quality of the finished product fluctuates, affecting the product yield. In addition, manual cleaning is required after the manual operation, which is time-consuming and labor-intensive.

[0004] For this reason we propose a mixer for fireworks and firecracker gunpowder. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a mixer for fireworks and firecracker gunpowder, which overcomes the deficiencies in the prior art and aims to solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a mixer for fireworks and firecrackers gunpowder, comprising a mixing tank, a sealing cover is fixedly installed on the top of the mixing tank, a rotating tube is rotatably connected to the inner wall of the sealing cover, a spiral blade is fixedly installed on the outer edge of the rotating tube, one end of a connecting rod is fixedly connected to the outer edge of the rotating tube, a scraper is fixedly connected to the other end of the connecting rod, the inner wall of the rotating tube is connected to one end of a horizontal tube, the other end of the horizontal tube is connected to a vertical tube, a plurality of nozzles are evenly distributed on the outer edge of the vertical tube, a water pipe is inserted into the inner wall of the rotating tube, a gear 1 is fixedly installed on the outer edge of the rotating tube, a positioning frame is fixedly installed on the top of the sealing cover, a servo motor is fixedly installed on the bottom of the positioning frame, a gear 2 is fixedly installed on the power output shaft of the servo motor, a feed bin is fixedly connected to the inner wall of the sealing cover, and a flow meter and a solenoid valve are respectively fixedly installed on the outer edge of the feed bin.

[0007] As a preferred technical solution of the utility model, a fixing frame is fixedly installed on the outer edge of the mixing tank, the bottom of the fixing frame is provided with anti-slip grooves, the bottom of the mixing tank is fixedly installed with a discharge port, and the inner wall of the discharge port is fixedly installed with a control valve.

[0008] By adopting the above technical solution, the device can be stably placed on the ground using a fixed frame to ensure stability, and the mixed material can be discharged to the outside through the discharge port for collection and processing.

[0009] As a preferred technical solution of the utility model, a one-way valve is fixedly installed in the inner cavity of the nozzle, and the side of the scraper away from the connecting rod is in contact with the inner wall of the mixing tank.

[0010] By adopting the above technical solution, it can be ensured that during mixing, the material will not penetrate through the nozzle into the inner cavity of the nozzle and the riser to cause blockage of the nozzle, and the scraper can be used to scrape off the material adhering to the inner wall of the mixing tank to ensure that it can fully participate in mixing and feeding.

[0011] As a preferred technical solution of the utility model, the gear 2 is in the same plane as the gear 1, the gear teeth of the gear 2 and the gear 1 are meshed with each other, a limiting rod is fixedly assembled on the bottom of the gear 2, a limiting hole is opened on the top of the sealing cover, and the limiting rod is rotatably connected to the inner wall of the limiting hole.

[0012] By adopting the above technical solution, the servo motor drives the gear two to rotate and transmits the rotational force to the gear one and the rotating tube, and the spiral blades are used to stir the materials put into the inner cavity of the mixing tank, while the limit rod can ensure the stability of the gear two during rotation, and the phenomenon of tooth disengagement will not easily occur.

[0013] As a preferred technical solution of the utility model, the number of the feed bin, the flow meter and the solenoid valve is two, and the two feed bins, the flow meter and the solenoid valve are symmetrically arranged at the top position of the sealing cover.

[0014] By adopting the above technical scheme, the raw materials of gunpowder that need to be mixed can be added to the inner cavity of the mixing tank through two feeding bins respectively, and then the flow meter can be used to monitor the amount of raw materials put in in real time, and then the solenoid valve can be opened to quickly discharge the materials. When it is close to the set weight, the discharge speed is automatically adjusted, and the materials are discharged at a medium speed. When it is very close to the set weight, the addition method is used for discharge, which not only ensures the discharge speed but also ensures the discharge accuracy.

[0015] As a preferred technical solution of the utility model, a through hole is opened in the middle of the sealing cover, and a bearing is fixedly mounted on the inner wall of the through hole, and the outer edge of the rotating tube is fixedly connected to the inner ring of the bearing.

[0016] By adopting the above technical solution, the stability of the rotating tube during rotation can be guaranteed, and it can be ensured that the rotating tube will not easily deviate or swing in position.

[0017] As a preferred technical solution of the utility model, the bottom of the mixing tank is arc-shaped, and the bottoms of the rotating tube and the spiral blades are arranged in the arc-shaped inner cavity.

[0018] By adopting the above technical solution, the efficiency of material feeding can be improved, and the material at the bottom of the mixing tank can be transported to the top of the mixing tank by the rotating tube and the bottom of the spiral blade for sufficient stirring, thereby ensuring the uniformity of mixing.

[0019] Beneficial effects of the utility model:

[0020] By driving the servo motor to drive gear two to rotate, the rotational force can be transmitted to gear one and the rotating tube, and the spiral blades are used to automatically stir the materials put into the inner cavity of the mixing tank. The scraper can be used to scrape off the materials adhering to the inner wall of the mixing tank to ensure that they can fully participate in mixing and feeding. The water pipe and pump are used to discharge water through the rotating tube to the inner cavity of the horizontal pipe and the vertical pipe, and the nozzle is used to flush the inner wall of the mixing tank. Then, the servo motor can be driven again to drive gear two to rotate, and the rotational force can be transmitted to gear one and the rotating tube. Then, the rotating tube is used to drive the vertical pipe and the nozzle to rotate, and all positions of the inner wall of the mixing tank are flushed to ensure the thoroughness of the cleaning, avoid gunpowder residue on the inner wall of the mixing tank when the weather is dry, and easily cause a fire, thereby improving safety.

[0021] The flow meter can monitor in real time the amount of raw materials released from the two feed bins into the inner cavity of the mixing tank, and then open the solenoid valve to quickly discharge the materials. When the weight is close to the set weight, the discharge speed is automatically adjusted to medium speed. When the weight is very close to the set weight, the material is discharged by adding, which not only ensures the discharge speed but also ensures the discharge accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the cross-sectional structure of the mixing tank of the utility model;

[0024] Figure 3 It is a schematic diagram of the internal structure of the utility model;

[0025] Figure 4 It is a partial structural schematic diagram of the utility model.

[0026] In the figure: 1. mixing tank; 2. fixing frame; 3. discharge port; 4. sealing cover; 5. rotating tube; 6. spiral blade; 7. connecting rod; 8. scraper; 9. horizontal tube; 10. vertical tube; 11. nozzle; 12. water pipe; 13. gear 1; 14. positioning frame; 15. servo motor; 16. gear 2; 17. feed bin; 18. flow meter; 19. solenoid valve; 20. limit hole. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1 - Figure 4 A mixer for fireworks and firecrackers, comprising a mixing tank 1, a sealing cover 4 is fixedly mounted on the top of the mixing tank 1, a rotating tube 5 is rotatably connected to the inner wall of the sealing cover 4, a spiral blade 6 is fixedly mounted on the outer edge of the rotating tube 5, one end of a connecting rod 7 is fixedly connected to the outer edge of the rotating tube 5, a scraper 8 is fixedly connected to the other end of the connecting rod 7, the inner wall of the rotating tube 5 is connected to one end of a horizontal tube 9, the other end of the horizontal tube 9 is connected to a vertical tube 10, a plurality of nozzles 11 are evenly distributed on the outer edge of the vertical tube 10, a water pipe 12 is inserted into the inner wall of the rotating tube 5, a gear 13 is fixedly mounted on the outer edge of the rotating tube 5, a positioning frame 14 is fixedly mounted on the top of the sealing cover 4, a servo motor 15 is fixedly mounted on the bottom of the positioning frame 14, a gear 2 16 is fixedly mounted on the power output shaft of the servo motor 15, a feed bin 17 is fixedly connected to the inner wall of the sealing cover 4, and a flow meter 18 and a solenoid valve 19 are respectively fixedly mounted on the outer edges of the feed bin 17.

[0029] See also Figure 1 and Figure 2 A fixing frame 2 is fixedly mounted on the outer edge of the mixing tank 1, and anti-slip grooves are provided on the bottom of the fixing frame 2. A discharge port 3 is fixedly mounted on the bottom of the mixing tank 1, and a control valve is fixedly mounted on the inner wall of the discharge port 3, so that the fixing frame 2 can be used to stably place the device on the ground to ensure stability, and the discharge port 3 can be used to discharge the mixed materials to the outside for collection and treatment.

[0030] See also Figure 2 and Figure 3 The inner cavity of the nozzle 11 is fixedly equipped with a one-way valve, and the side of the scraper 8 away from the connecting rod 7 is in contact with the inner wall of the mixing tank 1, so that it can be ensured that the material will not penetrate through the nozzle 11 to the inner cavity position of the nozzle 11 and the riser 10 during mixing to cause blockage of the nozzle 11, and the scraper 8 can be used to scrape off the material adhering to the inner wall of the mixing tank 1, ensuring that it can fully participate in mixing and feeding.

[0031] See also Figure 3, gear 2 16 and gear 1 13 are in the same plane, the gear teeth of gear 2 16 and gear 1 13 are meshed, a limit rod is fixedly assembled at the bottom of gear 2 16, a limit hole 20 is opened on the top of the sealing cover 4, and the limit rod is rotatably connected to the inner wall of the limit hole 20, so that the servo motor 15 drives the gear 2 16 to rotate and transmits the rotational force to the gear 1 13 and the rotating tube 5, and the spiral blade 6 is used to stir the material put into the inner cavity of the mixing tank 1, and the limit rod can ensure the stability of the gear 2 16 during rotation, and the phenomenon of tooth disengagement will not occur easily.

[0032] See also Figure 4 There are two feed bins 17, flow meters 18 and solenoid valves 19, and the two feed bins 17, flow meters 18 and solenoid valves 19 are symmetrically arranged at the top position of the sealing cover 4, so that the raw materials to be mixed with gunpowder can be added to the inner cavity of the mixing tank 1 through the two feed bins 17 respectively, and then the flow meter 18 can be used to monitor the amount of raw materials put in real time, and then the solenoid valve 19 can be opened to quickly discharge the materials. When it is close to the set weight, the discharge speed is automatically adjusted, and the materials are discharged at a medium speed. When it is very close to the set weight, the addition method is used for discharge, which not only ensures the discharge speed but also ensures the discharge accuracy.

[0033] See also Figure 4 A through hole is opened in the middle of the sealing cover 4, and a bearing is fixedly assembled on the inner wall of the through hole. The outer edge of the rotating tube 5 is fixedly connected to the inner ring of the bearing, so that the stability of the rotating tube 5 during rotation can be guaranteed and it will not easily deviate or swing in position.

[0034] See also Figure 1 and Figure 3 The bottom of the mixing tank 1 is in an arc shape, and the bottom of the rotating tube 5 and the spiral blade 6 are arranged in the arc-shaped inner cavity, so that the efficiency of material feeding can be improved, and the bottom of the rotating tube 5 and the spiral blade 6 can be used to transport the material at the bottom of the mixing tank 1 to the top of the mixing tank 1 for sufficient stirring, thereby ensuring the uniformity of mixing.

[0035] Working principle: When using the device, first, the raw materials of gunpowder can be added to the inner cavity of the mixing tank 1 through the two feeding bins 17, and then the flow meter 18 can be used to monitor in real time the amount of raw materials put into the inner cavity of the mixing tank 1 by the two feeding bins 17, and then the solenoid valve 19 can be opened to quickly discharge the materials. When it is close to the set weight, the discharge speed is automatically adjusted, and the materials are discharged at a medium speed. When it is very close to the set weight, the addition method is used for discharge, which not only ensures the discharge speed but also ensures the discharge accuracy. Then, the servo motor 15 can be driven to drive the gear 2 16 to rotate, and the rotation force can be transmitted to the gear 1 13 and the rotating tube 5. The spiral blade 6 is used to stir the materials put into the inner cavity of the mixing tank 1, and at the same time, the scraper 8 can be driven to rotate to remove the materials adhered to the mixing tank. The material on the inner wall of the material tank 1 is scraped off to ensure that it can fully participate in mixing and feeding. After mixing, the material can be discharged to the outside through the discharge port 3 for collection, and then the end of the water pipe 12 away from the rotating tube 5 can be connected to the water source, and the water can be discharged to the inner cavity of the horizontal tube 9 and the vertical tube 10 through the rotating tube 5 with the help of the pump, and the inner wall of the mixing tank 1 is flushed with the nozzle 11, and then the servo motor 15 can be driven again to drive the gear 2 16 to rotate, and the rotation force can be transmitted to the gear 1 13 and the rotating tube 5, and then the vertical tube 10 and the nozzle 11 are driven by the rotating tube 5 to rotate, and all positions of the inner wall of the mixing tank 1 are flushed, so as to ensure the thoroughness of cleaning, avoid gunpowder residue on the inner wall of the mixing tank 1 when the weather is dry, which is easy to cause fire, and improve safety.

[0036] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A mixer for fireworks and firecrackers gunpowder, comprising a mixing tank (1), characterized in that: The top of the mixing tank (1) is fixedly equipped with a sealing cover (4), the inner wall of the sealing cover (4) is rotatably connected to a rotating tube (5), the outer edge of the rotating tube (5) is fixedly equipped with a spiral blade (6), the outer edge of the rotating tube (5) is fixedly connected to one end of a connecting rod (7), the other end of the connecting rod (7) is fixedly connected to a scraper (8), the inner wall of the rotating tube (5) is connected to one end of a horizontal tube (9), the other end of the horizontal tube (9) is connected to a vertical tube (10), and the outer edge of the vertical tube (10) is evenly distributed with a plurality of nozzles (1 1), a water pipe (12) is inserted into the inner wall of the rotating tube (5), a gear 1 (13) is fixedly mounted on the outer edge of the rotating tube (5), a positioning frame (14) is fixedly mounted on the top of the sealing cover (4), a servo motor (15) is fixedly mounted on the bottom of the positioning frame (14), a gear 2 (16) is fixedly mounted on the power output shaft of the servo motor (15), a feed bin (17) is fixedly connected to the inner wall of the sealing cover (4), and a flow meter (18) and a solenoid valve (19) are respectively fixedly mounted on the outer edge of the feed bin (17).

2. A mixer for fireworks and firecrackers gunpowder according to claim 1, characterized in that: A fixing frame (2) is fixedly mounted on the outer edge of the mixing tank (1), the bottom of the fixing frame (2) is provided with anti-slip grooves, a discharge port (3) is fixedly mounted on the bottom of the mixing tank (1), and a control valve is fixedly mounted on the inner wall of the discharge port (3).

3. The mixer for fireworks and firecrackers gunpowder according to claim 1, characterized in that: The inner cavity of the nozzle (11) is fixedly equipped with a one-way valve, and the side of the scraper (8) away from the connecting rod (7) is in contact with the inner wall of the mixing tank (1).

4. A mixer for fireworks and firecrackers gunpowder according to claim 1, characterized in that: The gear 2 (16) and the gear 1 (13) are located in the same plane, the gear teeth of the gear 2 (16) and the gear 1 (13) are meshed, a limit rod is fixedly mounted on the bottom of the gear 2 (16), a limit hole (20) is provided on the top of the sealing cover (4), and the limit rod is rotatably connected to the inner wall of the limit hole (20).

5. The mixer for fireworks and firecrackers gunpowder according to claim 1, characterized in that: The number of the feed bin (17), the flow meter (18) and the solenoid valve (19) is two, and the two feed bins (17), the flow meter (18) and the solenoid valve (19) are symmetrically arranged at the top position of the sealing cover (4).

6. A mixer for fireworks and firecrackers gunpowder according to claim 1, characterized in that: A through hole is provided in the middle of the sealing cover (4), and a bearing is fixedly mounted on the inner wall of the through hole. The outer edge of the rotating tube (5) is fixedly connected to the inner ring of the bearing.

7. A mixer for fireworks and firecrackers gunpowder according to claim 1, characterized in that: The bottom of the mixing tank (1) is in the shape of an arc, and the bottoms of the rotating tube (5) and the spiral blades (6) are arranged in the arc-shaped inner cavity.

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