Screen drum rotary type firework powder granulator
By improving the design of the screen cylinder and the granulation impeller rotating in opposite directions and the scraper remaining stationary, the problems of low efficiency and complex structure of the granulator were solved, and a high-efficiency and safe and reliable granulation process for fireworks drugs was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-03
- Publication Date
- 2026-04-10
AI Technical Summary
Existing granulators suffer from problems such as low granulation efficiency, complex structure, loose fireworks materials, and difficulty in cleaning and maintenance.
The screen cylinder and granulation impeller are designed to rotate in opposite directions. The scraper is stationary while the pressing knife rotates, which increases the speed of the granulation impeller. An annular water tank is used to absorb heat, and screw holes are installed on the granulation impeller for easy disassembly and assembly.
It improves production efficiency, has a simple structure, compact fireworks materials, enhances safety, and is easy to clean and maintain.
Smart Images
Figure CN121819672A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to a kind of fireworks production equipment, in particular to a kind of sieve cylinder rotary fireworks granulator. BACKGROUND
[0002] There are several problems in the current granulator, first, the sieve cylinder is stationary, the granulating impeller rotates, the rotating speed of the granulating impeller cannot be high, otherwise it will cause the fireworks to heat, resulting in low production efficiency, second, the granulating scraper rotates, a set of rotating mechanism is needed, the structure of the granulator is complex, third, the fireworks from the hopper fall on the granulating impeller, and rely on the weight, because the fireworks are very light, sometimes it will cause the fireworks to be loose at the granulating impeller, and the squeezed medicine particles are not compact, finally, it is difficult to remove the granulating impeller when cleaning or repairing. SUMMARY
[0003] In order to overcome the shortcomings of the prior art, the present application provides a kind of sieve cylinder rotary fireworks granulator with high production efficiency and safety.
[0004] The present application adopts the following technical scheme.
[0005] A kind of sieve cylinder rotary fireworks granulator, there is a hopper, a sieve cylinder, a sieve cylinder bottom, a granulating impeller, a scraper and a rack, the sieve cylinder is fixed with the sieve cylinder bottom, the sieve cylinder is fixed with the rotating disc, the lower surface of the sieve cylinder bottom is fixed with the base disc, the base disc is provided with a base disc bearing, the inner ring of the bearing in the base disc is fixed on the shaft sleeve, the lower surface of the base disc is fixed with the base disc gear which is sleeved on the shaft sleeve, the base disc gear is engaged with the transmission gear, the inner ring of the bearing in the transmission gear is fixed on the small shaft A, the small shaft A is fixed on the bottom plate, the transmission gear is engaged with the intermediate gear, the inner ring of the bearing in the intermediate gear is fixed on the small shaft B, the small shaft B is fixed on the bottom plate, the intermediate gear is engaged with the shaft sleeve gear, and the shaft sleeve gear is fixed on the shaft sleeve. The shaft sleeve passes through the bottom plate, passes through the upper bearing cover of the transmission box fixed on the rack, is fixed with the inner ring of the two upper bearings of the transmission box, the upper end of the shaft sleeve is fixed with the granulating impeller, the lower end of the shaft sleeve is fixed with the upper bevel gear, the upper bevel gear is engaged with the left bevel gear, the left bevel gear is fixed on the transmission shaft, the transmission shaft is fixed with the inner ring of the two left bearings of the transmission box, the transmission shaft passes through the left bearing cover of the transmission box and is connected with the output shaft of the reducer with a motor, the reducer is fixed on the support, and the support is installed on the explosion-proof wall. The upper end of the main shaft is fixed with the pressing knife, the knife faces on both sides of the pressing knife are inclined surfaces, the inclined directions are opposite, the upper part of the main shaft is fixed with the inner ring of the upper main shaft bearing installed on the upper end of the shaft sleeve, the main shaft 5 is sleeved in the shaft sleeve, the lower part of the main shaft is fixed with the lower bevel gear, the lower bevel gear is engaged with the left bevel gear, and the lower end of the main shaft is fixed with the inner ring of the lower bearing installed in the lower bearing cover. The bottom plate is fixed on the frame, an annular water tank is fixed on the bottom plate, the bottom plate has a discharge port, a discharge tank is arranged below the discharge port, an outer cover cylinder is arranged on the bottom plate, a hook-shaped round rod is inserted into the hole of the upper flange of the outer cover cylinder, the hook-shaped round rod is fixed with the scraper, and the hook-shaped round rod is fixed by lock screws.
[0006] The granulating impeller is provided with a pair of screw holes symmetrically distributed with respect to the shaft center.
[0007] Compared with the prior art, the advantages of the present application are that the screen cylinder rotates reversely relative to the granulating impeller, so that the rotating speed of the granulating impeller relative to the screen cylinder is greatly increased, and the production rate is greatly improved. The granulating scraper is stationary, and the structure is simple. When the pressure knife rotates, the inclined surfaces of the two knife surfaces generate a downward pressure, so that the fireworks drug on the granulating impeller is compacted, and the extruded drug particles are also compacted. The annular water tank can absorb the heat and fireworks drug dust of the fireworks drug granulator, and safety is increased. The pair of screw holes on the granulating impeller can be installed with a lifting ring bolt, so that the granulating impeller is convenient to disassemble and assemble. BRIEF DESCRIPTION OF DRAWINGS
[0008] Figure 1 It is a structural schematic view of an embodiment of the present application.
[0009] Figure 2 It is Figure 1 It is a structural schematic view of an embodiment of the present application. EMBODIMENT
[0010] The present application will be further described in detail below in combination with the drawings and embodiments.
[0011] As Figures 1-2 As shown in the drawings, a screen cylinder rotating type fireworks drug granulator has a hopper 24, a screen cylinder 20, a screen cylinder bottom 19, a granulating impeller 25, a scraper 30 and a frame 40. The hopper 24 is fixed with the upper end of the screen cylinder 20. The screen cylinder 20 is fixed with the screen cylinder bottom 19. The screen cylinder 20 is fixed with a rotating disc 32. The screen cylinder bottom 19 is fixed with a base disc 16 below. The base disc 16 is provided with a base disc bearing 21. The inner ring of the base disc bearing 21 is fixed on a shaft sleeve 8. The base disc 16 is fixed with a base disc gear 14 which is sleeved on the shaft sleeve 8. The base disc gear 14 is engaged with a transmission gear 29. The inner ring of the bearing in the transmission gear 29 is fixed on a small shaft A 28. The small shaft A 28 is fixed on a bottom plate 34. The transmission gear 29 is engaged with an intermediate gear 26. The inner ring of the bearing in the intermediate gear 26 is fixed on a small shaft B 27. The small shaft B 27 is fixed on the bottom plate 34. The intermediate gear 26 is engaged with a shaft sleeve gear 13. The shaft sleeve gear 13 is fixed on the shaft sleeve 8.
[0012] The shaft sleeve 8 passes through the bottom plate 34, the upper bearing cover 12 of the transmission box 10 fixed on the frame 40, the inner ring of the two upper bearings 11 of the transmission box 10, the upper end of the shaft sleeve 8 is fixed with the granulating impeller 25, the granulating impeller 25 has a pair of screw holes 41 symmetrically distributed on the shaft center, the lower end of the shaft sleeve 8 is fixed with the upper bevel gear 9, the upper bevel gear 9 is engaged with the left bevel gear 3, the left bevel gear 3 is fixed on the transmission shaft 35, the transmission shaft 35 is fixed with the inner ring of the two left bearings 2 of the transmission box 10, the transmission shaft 35 passes through the left bearing cover 1 of the transmission box 10 and is connected with the output shaft of the speed reducer 37 of the motor 36, the speed reducer 37 is fixed on the support 38, the support 38 is installed on the explosion-proof wall 39.
[0013] The upper end of the main shaft 5 is fixed with the pressing knife 22, the knife faces on both sides of the pressing knife 22 are inclined surfaces, the inclined directions are opposite, the upper part of the main shaft 5 is fixed with the inner ring of the upper main shaft bearing 23 installed on the upper end of the shaft sleeve 8, the main shaft 5 is sleeved in the shaft sleeve 8, the lower part of the main shaft 5 is fixed with the lower bevel gear 4, the lower bevel gear 4 is engaged with the left bevel gear 3, the lower end of the main shaft 5 is fixed with the inner ring of the lower bearing 6 of the lower bearing cover 7.
[0014] The bottom plate 34 is fixed on the frame 40, an annular water tank 33 is fixed on the bottom plate 34, the bottom plate 34 has a discharge port, the discharge port is provided with a discharge chute 15 below, the bottom plate 34 is provided with the outer cover cylinder 17, the upper flange hole of the outer cover cylinder 17 is inserted with the hook round rod 31, the hook round rod 31 is fixed with the scraper 30, the hook round rod 31 is fixed by the lock screw 18.
Claims
1. A rotary granulator for pyrotechnic compositions, comprising a hopper (24), a screen cylinder (20), a screen cylinder bottom (19), a granulating impeller (25), a doctor blade (30) and a frame (40), characterized in that The screen cylinder (20) is fixed with the screen cylinder bottom (19), the screen cylinder (20) is fixed with the rotating disc (32), the screen cylinder bottom (19) is fixed with the base disc (16) below, the base disc (16) is provided with the base disc bearing (21), the inner ring of the base disc bearing (21) is fixed on the shaft sleeve (8), the base disc (14) is fixed with the base disc gear (14) which is sleeved on the shaft sleeve (8) below, the base disc gear (14) is engaged with the transmission gear (29), the inner ring of the bearing which is contained in the transmission gear (29) is fixed on the small shaft A (28), the small shaft A (28) is fixed on the bottom plate (34), the transmission gear (29) is engaged with the intermediate gear (26), the inner ring of the bearing which is contained in the intermediate gear (26) is fixed on the small shaft B (27), the small shaft B (27) is fixed on the bottom plate (34), the intermediate gear (26) is engaged with the shaft sleeve gear (13), the shaft sleeve gear (13) is fixed on the shaft sleeve (8); The shaft sleeve (8) passes through the bottom plate (34), passes through the upper bearing cover (12) of the transmission box (10) which is fixed on the frame (40), is fixed with the inner rings of two upper bearings (11) of the transmission box (10), the upper end of the shaft sleeve (8) is fixed with the granulating impeller (25), the lower end of the shaft sleeve (8) is fixed with the upper bevel gear (9), the upper bevel gear (9) is engaged with the left bevel gear (3), the left bevel gear (3) is fixed on the transmission shaft (35), the transmission shaft (35) is fixed with the inner rings of two left bearings (2) of the transmission box (10), the transmission shaft (35) is connected with the output shaft of the speed reducer (37) of the motor (36) through the left bearing cover (1) of the transmission box (10), the speed reducer (37) is fixed on the support (38), the support (38) is installed on the explosion-proof wall (39); The upper end of the main shaft (5) is fixed with the pressing knife (22), the knife faces on both sides of the pressing knife (22) are inclined surfaces, the inclined directions are opposite, the upper part of the main shaft (5) is fixed with the inner ring of the upper main shaft bearing (23) which is installed on the upper end of the shaft sleeve (8), the main shaft (5) is sleeved in the shaft sleeve (8), the lower part of the main shaft (5) is fixed with the lower bevel gear (4), the lower bevel gear (4) is engaged with the left bevel gear (3), the lower end of the main shaft (5) is fixed with the inner ring of the lower bearing (6) which is installed on the lower bearing cover (7); The bottom plate (34) is fixed on the frame (40), an annular water tank (33) is fixed on the bottom plate (34), the bottom plate (34) is provided with a discharge port, the discharge port is provided with a discharge groove (15) below, the bottom plate (34) is provided with the outer cover cylinder (17), the hole of the upper flange of the outer cover cylinder (17) is inserted with the hook round rod (31), the hook round rod (31) is fixed with the scraper (30), the hook round rod (31) is fixed by the locking screw (18).
2. A rotary fireworks granulator according to claim 1, characterized in that The granulating impeller (25) is provided with a pair of screw holes (41) which are symmetrically distributed with the shaft center.