Firework inner cylinder cake scraping plate mechanism and loading device

Abstract

This invention discloses a scraper mechanism and loading device for a fireworks inner tube cake, belonging to the field of fireworks and firecracker machinery. The scraper mechanism for a fireworks inner tube cake includes a loading box, a lifting mechanism, a scraper assembly that moves horizontally on the lifting mechanism, and a distributing template with a storage hole inside the loading box. The scraper assembly includes a sliding rod and a scraper installed at the end of the sliding rod. The scraper is located inside the loading box. The distributing template also has a stacking area for powder. The scraper reciprocates on the distributing template, causing the powder in the stacking area to enter the storage hole. This invention achieves uniform sweeping of the powder into the storage hole of the mixing mold, helping to achieve precise loading, reducing the amount of powder turnover during operation, avoiding the safety hazards caused by the accumulation of powder in the mixing mold, and saving materials.

Description

Technical Field

[0001] This invention pertains to fireworks and firecracker machinery, specifically relating to a firework inner tube cake scraper mechanism and a firework inner tube cake loading device equipped with the firework inner tube cake scraper mechanism. Background Technology

[0002] Fireworks have been a traditional craft in my country for over a thousand years. Just over thirty years ago, they were almost entirely handmade. It wasn't until the invention of the rolling machine in the 1990s that, after nearly thirty years of development, most fireworks and firecracker production processes are now mechanized, except for the inner tube filling, which is still largely done manually. However, since the promotion of firecracker filling machines in 2006, the technology has not seen significant improvements. Automation is low, labor intensity is high, the precision of powder dosage control is low, and there is a lot of explosive dust on-site, leading to frequent safety accidents causing injuries and fatalities. Although some mechanical methods are currently used for inner tube filling of fireworks, several problems remain. The main issue is the use of waterfall-style filling equipment for large-dose continuous dispensing, mixing, and filling, which results in insufficient precision. A large amount of powder remains in the mixing and filling devices, and if the powder in one of these devices explodes, the force is enormous, often causing serious consequences for the lives of workers and damage to production facilities, indicating a low level of safety. There is an urgent need for a device that can achieve precise filling, minimize the amount of powder turnover during the process, avoid the safety hazards caused by the accumulation of powder in the mixing mold, and save materials. Summary of the Invention

[0003] The inner tube cake is well known in the field and is the basic unit of fireworks production. It is made up of multiple inner tubes that are tightly attached together. The bottom of the inner tube is sealed with a priming agent and a fuse. The inner tube cake is generally hexagonal, and the two most common models are 61 and 91 inner tubes.

[0004] The purpose of this invention is to provide a scraper mechanism for the inner tube of fireworks, enabling precise loading of propellant. The technical solution adopted to achieve this purpose is as follows:

[0005] A scraper mechanism for a firework inner tube includes a loading box, a lifting mechanism, a scraper assembly that moves horizontally on the lifting mechanism, and a material distribution template with a storage hole in the loading box. The scraper assembly includes a slide rod and a scraper installed at the end of the slide rod. The scraper is located in the loading box. The material distribution template also has a material stacking area for stacking explosives. The scraper, which reciprocates on the material distribution template, causes the explosives in the stacking area to enter the storage hole.

[0006] A firework inner tube cake scraper mechanism, further comprising: the relative positional relationship between the scraper, the distributing template, the storage hole, and the stacking area is configured such that the following reciprocating motion can be achieved by a control device: the scraper, adhering to the distributing template, moves horizontally from one side of the stacking area away from the storage hole area to the opposite side, delivering the propellant to the storage hole, then rises, and continues to move horizontally forward to one side of the propellant box, then descends and adheres to the distributing template again; it moves horizontally in the opposite direction, passes through the storage hole area, rises, moves to the rear of the stacking area, then descends and adheres to the distributing template again, and continues the next round of motion. A firework inner tube cake scraper mechanism, further comprising: slopes on both sides of the distributing template to prevent propellant accumulation.

[0007] A firework inner tube cake scraper mechanism further includes a residual monitoring mechanism that can detect the height of the propellant accumulated in the stacking area after the scraper reciprocates, and then control the amount of propellant added to the charging box through a control device.

[0008] A firework inner tube cake scraper mechanism further includes a material loading box with the propellant piled in the stacking area. The remaining amount monitoring mechanism detects the height of the propellant piled in the stacking area as H. By controlling the amount of propellant added to the loading box, the height H of the propellant piled in the stacking area after each round of scraping is maintained at 1 to 1.5 times h, where h is the height reached when the amount of propellant that can be stored in the storage hole is piled in the stacking area.

[0009] A firework inner tube cake scraper mechanism, further comprising a distance sensor disposed above the material stacking area.

[0010] A firework inner tube cake scraper mechanism, further comprising at least two distance sensors, which respectively detect the middle and a corner of the stacking area.

[0011] In another aspect, the present invention provides a firework inner tube cake loading device, comprising the scraper mechanism described in any of the preceding claims, a batching mold disposed below the charge box of the scraper mechanism, an arch-breaking mechanism disposed below the charge box and cooperating with the batching mold, and a tray assembly disposed below the batching mold.

[0012] A fireworks inner tube cake filling device, further comprising a fireworks inner tube cake filling dust removal device, including a dust collection plate, a driving device connected to the dust collection plate, and a dust suction port disposed above the dust collection plate. The dust collection plate is disposed below the material distribution base plate of the material distribution mold. The area below the material distribution base plate with the material discharge hole is a dust falling area. The dust collection plate reciprocates between the dust falling area and below the dust suction port to collect dust and send it to the dust suction port.

[0013] A fireworks inner tube cake loading device further includes a dust collection plate horizontally positioned with a gap between it and the material distribution base plate and the dust suction port. A cake-lifting device is provided below the tray assembly to lift the tray assembly and press it tightly against the material distribution base plate. The reciprocating motion of the dust collection plate is as follows: the dust collection plate blocks dust below the material discharge hole; when the tray assembly is about to be lifted by the cake-lifting device, the dust collection plate retracts from the material discharge hole towards the dust suction port; after the tray assembly falls, the dust collection plate returns to below the material discharge hole to continue blocking dust.

[0014] Beneficial effects

[0015] This invention enables precise loading of the propellant using a mixing mold, and a scraper mechanism evenly sweeps the propellant into the storage holes of the mixing mold, minimizing the amount of propellant turnover during operation and preventing safety hazards caused by propellant accumulation in the mixing mold, while also saving materials. Furthermore, by incorporating a dust removal device for the fireworks inner tube cake loading process, dust generated during operation of the fireworks inner tube cake loading device can be reduced, improving the safety of the production line.

[0016] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0017] The accompanying drawings, which form part of this invention, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an undue limitation of the invention. In the drawings:

[0018] Figure 1 This is a schematic diagram of the structure of the fireworks inner tube cake loading device using the present invention.

[0019] Figure 2 — Figure 4 These are schematic diagrams of the charging device of the fireworks inner tube cake charging device of the present invention from different directions.

[0020] Figure 5 This is a schematic diagram of the structure of the fireworks inner tube cake loading device according to an embodiment of the present invention.

[0021] Figure 6 This is a schematic diagram of the structure of the firework inner tube cake scraper mechanism according to an embodiment of the present invention.

[0022] The above figures include the following reference numerals:

[0023] a. Inner cylinder cake; a1. Inner cylinder; 1. Inner cylinder cake conveying device; 2. Bright bead mixing and loading device; 3. Top cake device; 301. Top cake cylinder cylinder; 4. Packaging and mixing loading device; 5. Vibration device; 6. Sealing agent loading device; 7. Sealing agent compaction device; 8. Sealing agent dispensing device; 9. Cake dropping device; 10. Dust removal device; 11. Cake loading device; 101. Support; 102. Roller; 103. Drive sprocket; 103'. Driven sprocket; 104. Inner rail; 105. Pallet assembly; 106. 107. Ring chain; 108. Outer rail; 109. Feeding device; 2001. Hopper; 201. Frame; 202. Batching motor; 203. Screen cylinder; 204. Power mechanism; 205. Scraper; 206. Distributing mold; 207. Distributing base plate; 208. Arch breaking mechanism; 209. Transition hopper; 210. Lifting platform; 211. Lifting motor; 212. Screw feeder; 213. Collection funnel; 214. Distributing cylinder connecting plate; 215. Distributing cylinder; 216. Vertical rail; 217. 219. Lifting mounting plate; 220. Sliding block; 221. Scraper left and right movement motor; 222. Scraper screw nut; 223. Sliding block seat; 224. Scraper left and right movement sliding block; 225. Scraper left and right movement motor seat; 226. Scraper screw; 227. Screw nut connecting plate; 228. Scraper square rail; 229. Material distribution mold square rail; 230. Material distribution mold left and right movement sliding block; 231. Sliding block connecting plate; 232. Dust suction port; 233. Dust collection plate; 234. Dust collection plate cylinder; 23 5. Dust collection plate wool felt sealing strip; 236. Dust collection plate sliding groove; 237. Distance sensor; 238. Transition hopper switch cylinder; 239. Material drop port; 2071. Material distribution template; 2072. Enclosure plate; 2073. Material storage hole; 2074. Material stacking area; 2075. Material loading box; 2081. Material discharge hole; 2091. Arch breaking needle; 2092. Arch breaking needle positioning plate; 2093. Arch breaking needle pressure plate; 2094. Material distribution mold cover plate; 2095. Arch breaking cylinder seat; 2096. Arch breaking cylinder. Detailed Implementation

[0024] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

[0025] See Figure 1The fireworks inner cylinder cake loading equipment of the present invention includes an inner cylinder cake conveying device 1 arranged in a ring, a tray assembly 105 conveyed by the inner cylinder cake conveying device 1, a cake loading device 11 arranged along each station of the inner cylinder cake conveying device 1 and cooperating with the tray assembly 105 to sequentially complete the processes of cake loading, bright bead loading, opening powder loading, opening powder vibration, sealing agent loading, sealing agent compaction, sealing agent dispensing, cake unloading, and dust removal, a bright bead mixing loading device 2, an opening powder mixing loading device 4, an opening powder vibration device 5, a sealing agent loading device 6, a sealing agent compaction device 7, a sealing agent dispensing device 8, a cake unloading device 9, and a dust removal device 10; and a bright bead mixing loading device 2 and an opening powder mixing device 4. The loading device 4, the opening drug vibration device 5, the sealing agent loading device 6, and the sealing agent dispensing device 8 work together to complete the corresponding process of the top cake device 3; the inner cylinder cake conveying device 1 includes an inner rail 104 and an outer rail 107 arranged horizontally in a ring through a bracket 101, an annular chain and sprocket mechanism arranged along the inner rail 104, and several tray assemblies 105. The chain and sprocket mechanism includes an annular chain 106 supported on the inner rail 104 by rollers 102 and a driving sprocket 103 and a driven sprocket 103′ that drive the annular chain 106 to move; the bright bead mixing loading device 2, the opening drug mixing loading device 4, and the sealing agent loading device 6 are all loading devices with the same structure.

[0026] See Figure 2 — Figure 6Taking the bright bead mixing charging device 2 as an example, the structure of the charging device of the present invention includes a frame 202, a feeding device mounted on the frame 202, a mixing device connected to the feeding device, a charging device connected to the mixing device, and a charging dust removal device connected to the charging device. The feeding device includes several hoppers 201 and a screw feeder 213 driven by a batching motor 203 located at the bottom of each hopper 201. The mixing device includes a collecting funnel 214 located below the discharge port of each screw feeder 213, a screen cylinder 204 located below the collecting funnel 214, a power mechanism 205 driving the screen cylinder 204 to rotate, and a transition hopper 210 located at the bottom of the screen cylinder 204. A door (not shown in the figure) is provided at the bottom of the transition hopper 210. The gate is controlled by a transition hopper switch cylinder 238 for opening and closing; the loading device includes a batching mold located below the transition hopper 210, a scraper mechanism cooperating with the batching mold, and an arch-breaking mechanism 209 located above the batching mold; the batching mold includes a distribution base plate 208 fixed on the frame 202, a distribution mold 207 located on the distribution base plate 208 that can move left and right, a distribution cylinder connecting plate 215 installed on the distribution mold 207, and a distribution cylinder 216 fixed on the distribution base plate 208 and connected to the distribution cylinder connecting plate 215. The distribution mold 207 is located at the bottom of the transition hopper 210, and the position on the distribution mold 207 corresponding to the opening of the transition hopper 210 is a stacking area 2074. The distribution base plate 208 is provided with a mechanism that can cooperate with... The inner cylinder a1 of the inner cylinder cake a has a corresponding feeding hole 2081. The distributing mold 207 consists of a distributing template 2071 attached to the distributing base plate 208 and a surrounding plate 2072 on the distributing template 2071. The distributing template 2071 is provided with a storage hole 2073 that corresponds to each feeding hole 2081 on the distributing base plate 208. The distributing mold square rail 229 is fixed to the side of the distributing base plate 208. The side of the distributing template 2071 is provided with a distributing mold left and right moving slider 230 through a slider connecting plate 231. The distributing template 2071 achieves left and right relative sliding through the cooperation of the distributing mold left and right moving slider 230 and the distributing mold square rail 229 on the distributing base plate 208. Driven by the distributing cylinder 216, the distributing mold 207 moves in the distributing process. The material base plate 208 moves left and right, so that each storage hole 2073 on the material distribution template 2071 is aligned and misaligned with the discharge hole 2081 on the material distribution base plate 208; the dust removal device for the filling of the fireworks inner cylinder cake includes a discharge port provided under the material distribution base plate 208, a dust collection plate 233 provided on the discharge port that can seal and open the discharge port, a dust suction port 232 provided on the material distribution base plate 208 that communicates with the discharge port, a dust collection plate cylinder 234 fixed on the frame 202, the piston rod of the dust collection plate cylinder 234 being connected to the dust collection plate 233, and the discharge port including dust collection plate sliding grooves 236 provided on both sides under the material distribution base plate 208, and a frame-shaped dust collection plate felt sealing strip 235 provided under the material distribution base plate 208 between the two dust collection plate sliding grooves 236;The scraper mechanism includes a loading box 2075, a lifting mechanism fixed on the frame 202, a scraper assembly mounted on the lifting mechanism, and a lead screw pair for driving the scraper assembly to move back and forth. The lifting mechanism includes a lifting platform 211 driven by a lifting motor 212 to move up and down. The lifting motor 212 is fixed on a lifting mounting plate 218 with a vertical rail 217 and mounted on the frame 202. The lifting platform 211 is mounted on the vertical rail 217 via a slider 219. The lifting motor 212 is driven by a slider 219 to move up and down. The lead screw assembly (not shown) is connected to the lifting platform 211; the scraper assembly includes a scraper 206 located inside the material distribution mold 207, the lower edge of which can contact the material distribution template 2071, a slider seat 223 connected to the scraper 206 via a slide rod 220, a scraper square rail 228 mounted on the lifting platform, and a lead screw nut connecting plate 227 connected to the slider seat 223. The slider seat 223 moves left and right through the scraper, and the slider 224 cooperates with the scraper square rail 228; the lead screw assembly that drives the scraper assembly to move left and right includes... The system includes a scraper left-right moving motor 221 mounted on the lifting platform 211 via a scraper left-right moving motor base 225, a scraper lead screw 226 connected to the scraper left-right moving motor 221, and a scraper lead screw nut 222 mounted on the scraper lead screw 226 and connected to the lead screw nut connecting plate 227; the arch-breaking mechanism 209 includes a material distribution mold cover plate 2094 covering the material distribution mold 207, and an arch-breaking cylinder 2096 fixed to the material distribution mold cover plate 2094 via an arch-breaking cylinder base 2095. The components include an arch-breaking needle pressure plate 2093 connected to the piston rod of the arch-breaking cylinder 2096, an arch-breaking needle positioning plate 2092 fixed below the arch-breaking needle pressure plate 2093, and several arch-breaking needles 2091 located on the arch-breaking needle positioning plate 2092 and corresponding to the storage holes 2073 of the material distribution mold 2071. The material distribution mold cover plate 2094 is equipped with a discharge port 239 connected to the bottom of the transition hopper 210 via a cloth bag (not shown in the figure) and a distance sensor 237 for measuring the height of the bright beads inside the material distribution mold 207.

[0027] See Figure 1Under the control of the electrical control system, the firework inner tube cake loading equipment uses a chain sprocket mechanism. The drive sprocket 103 drives the ring chain 106, which carries the tray assembly 105, to move counterclockwise along the inner rail 104 and outer rail 107. The cake loading device 11 transfers the inner tube cakes a, which are arranged in a row on the side, to the lifting tray of the tray assembly 105 one by one. Then, the inner tube cakes a, along with the tray assembly 105 and the ring chain 106, first move to the bright bead mixing loading device 2. After the bright bead mixing loading device 2 completes the bright bead filling of the inner tube cakes a, it moves to the opening and mixing loading device 4. The drug mixing and loading device 4 fills the inner cylinder cake a with the opened drug. After completion, it moves to the drug opening vibration device 5, where vibration ensures the drug is evenly distributed around the bright beads. After vibration, it moves to the sealing agent loading device 6, which fills the inner cylinder cake a with sealing agent. Then, it moves to the middle of the sealing agent compaction device 7, compacts it, and then moves to the sealing agent dispensing device 8, where adhesive is applied to the sealing agent. Finally, it moves to the cake lowering device 9, which picks up the inner cylinder cake a from the lifting tray and stacks it on a movable flat belt. Throughout the process, the cake raising device 3 lifts the inner cylinder cake a from the lifting tray to the appropriate position, cooperating with the bright bead mixing and loading device 2, the drug opening and loading device 4, the drug opening vibration device 5, the sealing agent loading device 6, and the sealing agent dispensing device 8 to complete their respective processes.

[0028] See Figure 2 — Figure 6 Typically, each inner cylinder a1 in the inner cylinder cake a contains no more than three types of bright beads. Therefore, the bright bead mixing and loading device 2 is equipped with three hoppers 201 and three screw feeders 213. The rotation angle of each batching motor 203 is proportional to the number of bright beads output. According to the process requirements, the electrical control system controls the three batching motors 203 to rotate a specific angle each time, which can accurately complete the preparation of one batch of bright beads. The sieve cylinder 204 contains three layers of sieve plates and forms a certain angle with the horizontal plane. The power mechanism 205 is connected to the motor reducer by a gearbox, a universal joint coupling, and a shaft. While the screw feeders 213 are dispensing, the sieve cylinder 204 is mixing. The mixed bright beads then enter the transition hopper 210. When the gate at the bottom of the transition hopper 210 is open, the previously mixed bright beads can smoothly enter the distribution mold 207 under their own weight. When the gate is closed, the mixed bright beads can only exist at the bottom of the transition hopper and cannot flow into the distribution mold 207.

[0029] See Figure 2 — Figure 6The distance sensor 237 on the material distribution mold cover plate 2094 is located directly below the middle position of the accumulation area of ​​the remaining bright beads after each scraper 206 scrapes back from the material distribution template 2071. The distance sensor 237 allows the electronic control system to monitor the accumulation height of the remaining bright beads in the material distribution mold 207 in real time. Generally, in order to ensure that all the storage holes 2073 on the material distribution template 2071 are filled in one round trip by the scraper 206, the remaining bright beads should be 1 to 1.5 times the amount of material to be filled each time. The above-mentioned amount of material refers to the amount of material required to fill the storage holes 2073. The electronic control system will automatically dispense 2.25 times the normal amount of material for the first inner cylinder cake a. Since the amount supplied by the feeding device each time is not exactly equal to the amount of material to be filled, the error will accumulate. Therefore, the electronic control system monitors the material balance in real time through the distance sensor 237. If there is an excess, the amount of material to be fed will be reduced appropriately next time; if there is a shortage, the amount of material to be fed will be increased next time.

[0030] See Figure 2 — Figure 6The scraper mechanism is used to fill the medicine (bright beads) in the dispensing mold 207 into the storage hole 2073 on the dispensing template 2071. The scraper 206 moves left and right and up and down, on the one hand pushing the medicine on the dispensing template 2071 into the storage hole 2073 and filling it, and on the other hand pushing the excess medicine after filling the storage hole 2073 away from the storage hole area, so that when the dispensing mold 207 is opened, the excess medicine can be retained on the dispensing mold 207. When scraper 206 is positioned at the far right of the distributing mold 207 and its bottom surface is attached to the distributing template 2071, a portion of the mixed medicine flows entirely into the distributing mold 207 through the gate opened by the transition hopper switch cylinder 238 below the transition hopper 210. Immediately afterward, the transition hopper switch cylinder 238 closes the gate, and the feeding and mixing devices simultaneously begin operation to prepare material for the next batch. The feeding and mixing devices must complete the preparation of one portion of material within a specified time to ensure it is ready before the next gate opens. The screen barrel 204 has stopped rotating; on the other hand, the scraper left and right movement motor 221 immediately starts driving the scraper screw 226, thereby driving the scraper 206 to move to the left until the scraper 206 reaches the right side of the second vertical row of storage holes 2073 on the far left and stops. Then, the lifting motor 212 drives the lifting platform 211 to rise a certain distance along the vertical track 217 through the screw pair, driving the scraper 206 to a position slightly higher than the remaining material. Then, the scraper 206 continues to move to the far left and stops. Then, the lifting motor 212 drives the lifting platform 211 to fall down, scraping... Plate 206 contacts the material distribution template 2071 again. Then, the scraper left and right movement motor 221 reverses, and scraper 206 scrapes back to the right until it passes the rightmost storage hole 2073 and stops. Then, the electrical control system will check whether the top cake cylinder 301 of the top cake device 3 is in the lifting state. If not, the check continues. If yes, the material distribution cylinder 216 is activated, driving the material distribution mold 207 to move a certain distance to the left to open the mold, so that the storage hole 2073 is fully aligned with the discharge hole 2081 on the material distribution base plate 208. Under the combined action of the material's own weight and the arch breaking needle 2091, The material in the storage hole 2073 will reliably flow out from the discharge hole 2081. Then, the distribution cylinder 216 resets and closes the mold. Then, the lifting motor 212 drives the lifting platform 211 to rise a certain distance along the vertical track 217 through the lead screw pair. Similarly, it drives the scraper 206 to rise to a position slightly higher than the remaining material. Then, the scraper continues to move to the far right. Then, the lifting motor 212 drives the lifting platform 211 to fall. The scraper 206 contacts the distribution template 2071 again. At this point, the scraper 206 has completed a complete set of actions and returned to the starting position.

[0031] See Figure 1 — Figure 6When the tray assembly 105, carrying the inner cylinder cake a, moves from the upper cake device 11 to the bright bead mixing and charging device 2, the supporting cake-lifting device 3 at this station lifts the tray and the inner cylinder cake a together, so that the top surface of the inner cylinder cake a fully contacts the bottom surface of the distributing base plate 208. Then, the distributing cylinder 216 drives the distributing mold 207 to move to the left on the distributing base plate 208 through the distributing cylinder connecting plate 215, so that the storage holes 2073 on the distributing template 2071 are aligned with the discharge holes 2081 on the distributing base plate 208, and the bright beads flow into the inner cylinders a1 of the inner cylinder cake a. To prevent The bright beads are bridged and clamped in the storage hole 2073 of the material distribution template 2071. When the storage hole 2073 is aligned with the discharge hole 2081 on the material distribution base plate 208, the anti-bridging cylinder 2096 drives the anti-bridging pressure plate 2093 to press down until the anti-bridging needle 2091 inserts into the storage hole 2073 and then retracts, ensuring that all the bright beads are injected into the inner cylinder cake a. Then the material distribution cylinder 216 is reset, and the storage hole 2073 is completely misaligned with the discharge hole on the material distribution base plate 208. Then the top cake cylinder 301 is reset, and the inner cylinder cake a and the lifting tray fall together and detach from the material distribution base plate 208. At this point, the bright bead mixing and filling process is completed.

[0032] See Figure 2 — Figure 6 When the dust collection device is working, the dust collection plate 233 can slide back and forth in the dust collection plate sliding groove 236 under the push of the piston rod of the dust collection plate cylinder 234. The upper surface of the dust collection plate 233 is tightly fitted with the dust collection plate felt sealing strip 235. The suction port 232 is connected to the explosive dust industrial-grade dust collector (not shown in the figure) through a pipe. When the inner cylinder cake a is about to be lifted by the top cake cylinder 301, the piston rod of the dust collection plate cylinder 234 retracts, causing the dust collection plate 233 to move forward. Since the explosive dust industrial dust collector is always working, the dust collection plate 233 moves forward while the suction port 232 sucks up the dust on the dust collection plate 233. After the inner cylinder cake a is filled with bright beads and falls down after cooperating with the material distribution bottom plate 208, the dust collection plate 233 immediately moves backward, thereby sealing the material drop port under the material distribution bottom plate 208 to prevent dust from drifting.

[0033] The preferred embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of the present invention without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the present invention through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A device for loading fireworks inner tube cakes, characterized in that, It includes a scraper mechanism, a batching mold located below the loading box of the scraper mechanism, and an arch-breaking mechanism located below the loading box and cooperating with the batching mold. A tray assembly for placing the inner cylinder cake is provided below the batching mold. The inner cylinder cake loading device is equipped with a firework inner cylinder cake loading dust removal device, which includes a dust collection plate, a driving device connected to the dust collection plate, and a dust suction port set above the dust collection plate. The dust collection plate is located below the material distribution bottom plate of the material distribution mold. The area below the material distribution bottom plate with the material discharge hole is the dust falling area. The dust collection plate reciprocates in the dust falling area and below the dust suction port to collect dust and send it to the dust suction port. The dust collection plate is horizontally arranged with a gap between it and the material distribution base plate and the dust suction port. A top plate device is provided below the tray assembly to lift the tray assembly and make it fit tightly against the material distribution base plate. The reciprocating motion of the dust collection plate is as follows: the dust collection plate blocks dust below the material discharge hole. When the tray assembly is about to be lifted by the top plate device, the dust collection plate is removed from the material discharge hole towards the dust suction port. After the tray assembly falls down, the dust collection plate returns to the bottom of the material discharge hole to continue blocking dust. The scraper mechanism includes a loading box, a lifting mechanism, a scraper assembly that moves horizontally on the lifting mechanism, and a material distribution template with a storage hole in the loading box. The scraper assembly includes a sliding rod and a scraper installed at the end of the sliding rod. The scraper is located in the loading box. The material distribution template also has a material stacking area for stacking medicine. The scraper that reciprocates on the material distribution template causes the medicine in the stacking area to enter the storage hole. The scraper mechanism also includes a residual monitoring mechanism that can detect the height of the medicine accumulated in the stacking area after the scraper reciprocates, and then control the amount of medicine added to the loading box through a control device; the medicine added to the loading box is stacked in the stacking area, and the height of the medicine accumulated in the stacking area detected by the residual monitoring mechanism is set to H. By controlling the amount of medicine added to the loading box, the height H of the medicine accumulated in the stacking area after each round of scraping back by the scraper is maintained at 1 to 1.5 times h, where h is the height reached when the amount of medicine that can be stored in the storage hole is stacked in the stacking area.

2. The fireworks inner tube cake loading device according to claim 1, characterized in that, The relative positions of the scraper, the dispensing template, the storage hole, and the stacking area are configured to enable the following reciprocating motion via a control device: the scraper adheres to the dispensing template, moves horizontally from the edge of the stacking area away from the storage hole area to the opposite side, delivers the medicine to the storage hole, rises, then continues to move horizontally forward to one side of the loading box, descends and adheres to the dispensing template again, moves horizontally in the opposite direction through the storage hole area, rises, moves to the rear of the stacking area and descends to adhere to the dispensing template again, and continues the next round of motion.

3. The fireworks inner tube cake loading device according to claim 1, characterized in that, The material distribution template has ramps on both sides to prevent the accumulation of medicinal materials.

4. The fireworks inner tube cake loading device according to claim 1, characterized in that, The remaining quantity monitoring mechanism includes a distance sensor positioned above the stockpiling area.

5. The fireworks inner tube cake loading device according to claim 4, characterized in that, The distance sensor comprises at least two sensors, which respectively detect the middle of the stacking area and one corner.

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