Firework gunpowder filling device and firework production line

Abstract

The utility model provides a firework gunpowder filling device and a firework production line, and relates to the technical field of firework production, the firework gunpowder filling device comprises a gunpowder groove and a material injection assembly, the gunpowder groove is used for containing gunpowder-containing gunpowder slurry, and material holes are arranged at the bottom of the gunpowder groove. The injection assembly comprises injection units in one-to-one correspondence with the material holes in the bottoms of the medicine grooves, and a driving source used for driving the injection units to act. And the material injection unit comprises a material pipe and a material injection plug, the material pipe is arranged in the powder groove, the material injection plug is located in the material pipe and is in sliding fit with the inner wall of the material pipe, and the material injection plug slides in the material pipe in a reciprocating mode, so that the material pipe sucks powder slurry in the powder groove and injects the powder slurry into the firework cylinder through the corresponding material holes. The utility model provides a filling device capable of efficiently filling gunpowder slurry into a firework cylinder.

Description

Technical Field

[0001] The present application relates to the technical field of fireworks production, and particularly to a fireworks gunpowder filling device and a fireworks production line. Background Art

[0002] During the production of fireworks, it is necessary to fill the fireworks with gunpowder. However, for the relevant operators on the production line, gunpowder poses a great safety hazard, and a slight carelessness can easily cause a great safety accident. For this reason, a fireworks water-based production process is disclosed in Chinese Patent No. 202010081492.7, in which the gunpowder is soaked to form wet gunpowder for filling to improve safety and ensure the personal safety of production employees. However, there is currently a lack of corresponding process equipment on the market for efficiently filling wet gunpowder. Summary of the Utility Model

[0003] The technical problem to be solved by the present application is to propose a fireworks gunpowder filling device and a fireworks production line in view of the above deficiencies of the prior art.

[0004] A fireworks gunpowder filling device includes:

[0005] A medicine tank for accommodating a medicine slurry containing gunpowder, and material holes are arranged in a row at the bottom of the medicine tank;

[0006] A filling component includes filling units corresponding one by one to the material holes at the bottom of the medicine tank, and a driving source for driving the filling units to act; each filling unit includes a material pipe and a filling plug, the material pipe is placed in the medicine tank, and the filling plug is in sliding fit with the inner wall of the material pipe in the material pipe. The filling plug reciprocates in the material pipe to suck the medicine slurry in the medicine tank and inject the medicine slurry into the fireworks tube through the corresponding material hole.

[0007] Optionally, the driving source includes a first driving source and a second driving source;

[0008] The first driving source is used to drive the material pipe to act so that the injection port at the lower end of the material pipe is combined with or separated from the corresponding material hole;

[0009] The second driving source is used to drive the filling plug to slide in the material pipe, so that the material pipe sucks the medicine slurry in the medicine tank when the injection port is separated from the material hole, and injects the medicine slurry into the material hole when the injection port is combined with the material hole.

[0010] Optionally, the material hole includes an upper section and a lower section. The upper section of the material hole is located on one side of the inner bottom surface of the medicine tank, and the lower section of the material hole is located between the upper section of the material hole and the outer bottom surface of the medicine tank. The outer diameter of the lower end of the material tube is adapted to the aperture of the upper section of the material hole; the aperture of the lower section of the material hole is smaller than that of the upper section of the material hole, so as to form a circumferential annular step surface at the bottom of the upper section of the material hole.

[0011] The lower end of the material tube is inserted into the upper section of the corresponding material hole so that the injection port forms a connection with the corresponding material hole.

[0012] Optionally, the injection component further includes a second bracket and a third bracket;

[0013] Each injection plug corresponds to an injection rod. The injection plugs are arranged on the corresponding injection rods, and all the injection rods are arranged on the third bracket. The second driving source drives all the injection plugs to act by driving the third bracket;

[0014] All the material tubes are arranged on the second bracket, and the first driving source drives all the material tubes to act by driving the second bracket.

[0015] Optionally, the injection component further includes a first bracket;

[0016] The first bracket is provided with a first guide rod for guiding the movement of the second bracket, and the first driving source is installed on the first bracket;

[0017] The second bracket is provided with a second guide rod for guiding the movement of the third bracket, and the second driving source is installed on the second bracket.

[0018] The first driving source is a cylinder, its cylinder body is installed on the first bracket, and its piston rod is connected to the second bracket;

[0019] The second driving source is a cylinder, its cylinder body is installed on the second bracket, and its piston rod is connected to the third bracket.

[0020] Optionally, the fireworks gunpowder filling device further has a material blocking component; the material blocking component can open or close the material hole.

[0021] Optionally, the material blocking component includes a material blocking plate, and the material blocking plate can close or open the material hole by acting.

[0022] Optionally, through holes corresponding to the material holes one by one are arranged on the material blocking plate;

[0023] The material blocking assembly further has a third driving source, which is used to drive the material blocking plate to act, so that the through hole on the material blocking plate is aligned with the material hole to open the material hole, or, to stagger the through hole on the material blocking plate from the material hole to close the material hole.

[0024] Optionally, the bottom of the medicine trough includes an upper bottom plate and a lower bottom plate. The upper bottom plate is provided with upper material holes, and the lower bottom plate is provided with lower material holes. The upper material holes and the lower material holes are aligned one by one, and any one upper material hole and the corresponding lower material hole form a material hole;

[0025] The material blocking plate is located between the upper bottom plate and the lower bottom plate, and the through hole on the material blocking plate can be aligned with or staggered from the upper material hole and the lower material hole by moving the material blocking plate;

[0026] A blanking nozzle is installed on the lower bottom plate, and the blanking nozzle corresponds to the lower material hole one by one.

[0027] On the other hand, the present application also provides a fireworks production line, and the fireworks production line has any one of the above-mentioned fireworks gunpowder filling devices.

[0028] The fireworks gunpowder filling device provided by the present application is used for filling gunpowder slurry. The injection plug reciprocally slides in the material pipe, so that the material pipe sucks the gunpowder slurry in the medicine trough and injects the gunpowder slurry into the fireworks tube through the corresponding material hole. The present application provides a filling device that can efficiently fill gunpowder slurry into the fireworks tube. Description of the Drawings

[0029] Figure 1 It is a schematic structural diagram of a fireworks gunpowder filling device in an embodiment of the present application.

[0030] Figure 2 It is a partial structural schematic diagram of a fireworks gunpowder filling device in an embodiment of the present application.

[0031] Figure 3 It is a cross-sectional view of a fireworks gunpowder filling device in an embodiment of the present application.

[0032] Figure 4 It is Figure 3 An enlarged view of part A in

[0033] Figure 5 It is another schematic structural diagram of a fireworks gunpowder filling device in an embodiment of the present application.

[0034] Figure 6 It is an exploded structural schematic diagram of a material pipe and an injection plug in an embodiment of the present application.

[0035] Figure 7 It is a structural schematic diagram of a material pipe and an injection plug in an embodiment of the present application.

[0036] Figure 8 This is another cross-sectional view of the fireworks gunpowder loading device in the embodiments of the present application.

[0037] Figure 9 is Figure 8 an enlarged view of part B in

[0038] Figure 10 This is another structural schematic diagram of the fireworks gunpowder loading device in the embodiments of the present application.

[0039] Reference numerals: medicine trough 10, bottom 11, inner bottom surface 111, outer bottom surface 112, material hole 12, upper section 121 of the material hole, lower section 122 of the material hole, circumferential stepped surface 123, blanking nozzle 13, injection component 20, injection unit 21, material pipe 211, injection plug 212, injection port 213, injection rod 214, drive source 22, first drive source 221, second drive source 222, first support 23, first guide rod 231, second support 24, second guide rod 241, third support 25, material blocking component 30, material blocking plate 31, through hole 311, upper bottom plate 14, lower bottom plate 15, feeding hole 141, discharging hole 151. Detailed implementation manners

[0040] The following are specific embodiments of the present application in combination with the accompanying drawings to further describe the technical solutions of the present application, but the present application is not limited to these embodiments. In the following description, providing specific details such as specific configurations and components is only to help comprehensively understand the embodiments of the present application. Therefore, those skilled in the art should clearly understand that various changes and modifications can be made to the embodiments described here without departing from the scope and spirit of the present application. In addition, descriptions of known functions and structures are omitted for clarity and conciseness.

[0041] It should be noted that, without conflict, the implementation manners in the present application and the features in the implementation manners can be combined with each other.

[0042] The present application provides a fireworks gunpowder loading device, which is applied to gunpowder slurry with a certain fluidity and fills the gunpowder slurry into a fireworks tube to improve the safety of existing dry gunpowder loading. Specific descriptions are given below with reference to the accompanying drawings.

[0043] Refer to Figure 1 , the fireworks gunpowder loading device includes a medicine trough 10 and an injection component 20. Continuing to refer to Figure 2 and Figure 3 , the medicine trough 10 is used to hold the medicine slurry containing gunpowder, and material holes 12 are arranged in the bottom 11 of the medicine trough 10. The medicine slurry in the medicine trough 10 is a paste and has a certain fluidity.

[0044] The material injection assembly 20 includes a material injection unit 21 and a driving source 22. The material injection units 21 correspond one by one to the material holes 12 at the bottom 11 of the medicine tank 10, and the driving source 22 is used to drive the material injection unit 21 to act. The material injection unit 21 includes a material pipe 211 and a material injection plug 212. The material pipe 211 is placed in the medicine tank 10. The material injection plug 212 is located inside the material pipe 211 and forms a sliding fit with the inner wall of the material pipe 211. By reciprocatingly sliding inside the material pipe 211, the material injection plug 212 enables the material pipe 211 to suck the medicine paste in the medicine tank 10 and inject the medicine paste into the fireworks tube through the corresponding material holes 12.

[0045] The medicine tank 10 contains a medicine paste containing gunpowder, and the medicine paste has a certain fluidity. The material injection units 21 correspond one by one to the material holes 12 at the bottom 11 of the medicine tank 10, and the material holes 12 at the bottom of the medicine tank 10 correspond to the outer fireworks tube. Therefore, each material injection unit 21 corresponds to a material hole 12 and corresponds to an outer fireworks tube. The material injection plug 212 and the material pipe 211 cooperate to form an injection device. By moving the material injection plug 212 in the material pipe 211, the medicine paste in the medicine tank 10 is sucked and then pushed out. It should be understood that the material pipe 211 can be partially located in the medicine tank 10 or entirely located in the medicine tank 10, as long as it can suck the medicine paste from the medicine tank 10.

[0046] During loading, the medicine paste of gunpowder is placed in the medicine tank 10. The material injection plug 212 sucks the medicine paste into the material pipe 211 by moving inside the material pipe 211. Then, the material injection plug 212 injects the medicine paste into the fireworks tube by moving inside the material pipe 211. The material pipe 211 is separated from the material hole 12 at the bottom of the medicine tank 10 when sucking the medicine paste; the material pipe 211 is combined with the material hole 12 when injecting the medicine paste. In this way, through the reciprocating movement of the material injection plug 212 inside the material pipe 211, the medicine paste in the medicine tank 10 is continuously injected into each fireworks tube by each material injection unit 21. Therefore, the above-mentioned fireworks gunpowder loading device has a simple structure and can efficiently load the medicine paste.

[0047] In an embodiment of the present application, the driving source 22 includes a first driving source 221 and a second driving source 222. Among them, the first driving source 221 is used to drive the material pipe 211 to act so that the injection port 213 at the lower end of the material pipe 211 is combined with or separated from the corresponding material hole 12; the second driving source 222 is used to drive the material injection plug 212 to slide inside the material pipe 211, so that the material pipe 211 sucks the medicine paste in the medicine tank 10 when the injection port 213 is separated from the material hole 12, and injects the medicine paste into the material hole 12 when the injection port 213 is combined with the material hole 12.

[0048] In a schematic working process, first, the injection port 213 of the material tube 211 is in a separated state from the material hole 12. The second driving source 222 drives the injection plug 212 to slide within the material tube 211 so that the material tube 211 sucks the slurry in the medicine tank 10. Then, the first driving source 221 drives the material tube 211 to act so that the injection port 213 at the lower end of the material tube 211 is combined with the corresponding material hole 12. The second driving source 222 drives the injection plug 212 to slide within the material tube 211 to inject the slurry in the material tube 211 into the material hole 12, and the slurry is injected into the fireworks tube through the material hole 12. Finally, the first driving source 221 drives the material tube 211 to act so that the injection port 213 at the lower end of the material tube 211 is separated from the corresponding material hole 12 and returns to the initial state, completing one loading action of gunpowder.

[0049] It should be understood that when the injection port 213 of the material tube 211 descends and abuts against the inner bottom surface of the medicine tank 10 under the drive of the first driving source 221, the injection port 213 of the material tube 211 is combined with the corresponding material hole 12, and the slurry pushed out from the injection port 213 of the material tube 211 by the injection plug 212 can be injected into the corresponding material hole 12 through the combined part. When the injection port 213 of the material tube 211 ascends under the drive of the first driving source 221 and separates from the inner bottom surface of the medicine tank 10, the injection port 213 of the material tube 211 is separated from the corresponding material hole 12, and the slurry in the medicine tank 10 can be smoothly sucked by the injection port 213 of the material tube 211.

[0050] Reference Figure 4 , in an embodiment of the present application, the material hole 12 includes an upper section 121 of the material hole and a lower section 122 of the material hole. The upper section 121 of the material hole is located on one side of the inner bottom surface 111 of the medicine tank 10, and the lower section 122 of the material hole is located between the upper section 121 of the material hole and the outer bottom surface 112 of the medicine tank 10. The outer diameter of the lower end of the material tube 211 is adapted to the aperture of the upper section 121 of the material hole; the aperture of the lower section 122 of the material hole is smaller than the aperture of the upper section 121 of the material hole, so as to form a circumferential annular step surface 123 at the bottom of the upper section 121 of the material hole. The lower end of the material tube 211 is inserted into the upper section 121 of the corresponding material hole so that the injection port 213 forms a combination with the corresponding material hole.

[0051] Specifically, as the first driving source 221 drives the injection port 213 of the material tube 211 to descend, the lower end of the material tube 211 is inserted into the upper section 121 of the corresponding material hole and abuts against the annular step surface 123 between the lower section 122 of the material hole and the lower section 122. At this time, the injection port 213 of the material tube 211 forms a combination with the corresponding material hole. When the injection port 213 of the material tube 211 pushes out the slurry, the slurry directly enters the lower section 122 of the material hole. Here, the upper section 121 of the material hole is provided for the lower end of the material tube 211 to be inserted, so that the sealing performance of the combination between the injection port 213 and the corresponding material hole 12 is better.

[0052] Reference Figure 4 andFigure 5 , in an embodiment of the present application, on one side of the outer bottom surface 112 of the medicine tank 10, a blanking nozzle 13 is installed on the material hole for guiding the slurry discharged from the material hole 12 into the corresponding fireworks tube. The bottom of the medicine tank 10 forms an inner bottom surface 111 inside the medicine tank 10 and an outer bottom surface 112 outside the medicine tank 10. When the slurry is discharged from the material hole 12, the slurry enters the corresponding blanking nozzle 13 and then falls into the corresponding fireworks tube through the blanking nozzle 13.

[0053] Reference Figure 2 , Figure 3 and Figure 6 , Figure 7 , in an embodiment of the present application, the filling component 20 further includes a second bracket 24 and a third bracket 25. Each filling plug 212 corresponds to a filling rod 214. The filling plug 212 is arranged on the corresponding filling rod 214. All the filling rods 214 are arranged on the third bracket 25. The second driving source 222 drives all the filling plugs 212 to act by driving the third bracket 25; all the material pipes 211 are arranged on the second bracket 24. The first driving source 221 drives all the material pipes 211 to act by driving the second bracket 24.

[0054] Specifically, a plurality of filling rods 214 are arranged on the third bracket 25. When the second driving source 222 drives the third bracket 25 to act, all the filling rods 214 act together with the third bracket 25. A plurality of material pipes 211 are arranged on the second bracket 24. When the first driving source 221 drives the second bracket 24 to act, all the material pipes 211 act together with the second bracket 24.

[0055] Furthermore, the filling component 20 further includes a first bracket 23. In an embodiment of the present application, the first bracket 23 is fixedly installed above the bottom of the medicine tank 10. The first bracket 23 is provided with a first guide rod 231 for guiding the movement of the second bracket 24. The first driving source 221 is installed on the first bracket 23; the second bracket 24 is provided with a second guide rod 241 for guiding the movement of the third bracket 25. The second driving source 222 is installed on the second bracket 24. As Figure 2 shown, four first guide rods 231 are arranged on the first bracket 23. The second bracket 24 is sleeved on the 4 first guide rods 231 and can slide up and down along the first guide rods 231. All the material pipes 211 thereon move up and down, so that the injection port 213 at the lower end of the material pipe 211 can be combined with or separated from the corresponding material hole 12. Four second guide rods 241 are arranged on the second bracket 24. The third bracket 25 is sleeved on the 4 second guide rods 241 and can slide up and down along the second guide rods 241. All the filling plugs 212 thereon move up and down, so that they can reciprocate in the material pipe 211, enabling the material pipe 211 to suck the slurry in the medicine tank 10 and inject the slurry into the fireworks tube through the corresponding material hole 12.

[0056] The first driving source and the second driving source can be an electric device, a pneumatic device, etc. In one embodiment of the present application, the first driving source 221 is a cylinder, whose cylinder body is installed on the first bracket 23, and whose piston rod is connected to the second bracket 24; the second driving source 222 is a cylinder, whose cylinder body is installed on the second bracket 24, and whose piston rod is connected to the third bracket 25.

[0057] Furthermore, the bottom of the medicine tank 10 is a detachable structure, which can be convenient for later maintenance.

[0058] In one embodiment of the present application, the fireworks gunpowder filling device further has a material blocking assembly, which can open or close the material hole. When the injection unit of the injection assembly injects the slurry, the material blocking assembly opens the material hole to allow the slurry to be injected into the fireworks tube through the material hole, and at other times, the material blocking assembly can remain in a closed state to prevent the slurry in the medicine groove from falling out through the material hole. Therefore, the material blocking assembly can remain in a closed state when the injection unit does not inject the slurry to prevent the slurry in the medicine groove from falling out through the material hole, ensuring that all the slurry falling into the fireworks tube is injected by the injection unit, so that the amount of slurry injected each time can be more accurately controlled to achieve quantitative filling of the fireworks tube.

[0059] In one embodiment, reference Figures 8 - 10 The material blocking assembly 30 includes a material blocking plate 31, which can close or open the material hole 12 by action. The material blocking plate 31 is provided with through holes 311 corresponding to the material holes 12 one by one; the material blocking assembly 30 also has a third driving source, which is used to drive the material blocking plate 31 to move, so that the through holes 311 on the material blocking plate 31 are aligned with the material hole 12 to open the material hole 12, or, so that the through holes 311 on the material blocking plate 31 are staggered with the material hole 12 to close the material hole.

[0060] Specifically, the third driving source can be a cylinder. When the third driving source drives the through hole 311 on the material baffle plate 31 to align with the material hole 12, the slurry can be injected into the firework tube through the material hole 12; when the third driving source drives the through hole 311 on the material baffle plate 31 to be offset from the material hole 12, the material hole 12 is blocked by the material baffle plate 31 and the material cannot fall.

[0061] In an embodiment of the present application, the bottom 11 of the medicine trough 10 includes an upper bottom plate 14 and a lower bottom plate 15. An upper feeding hole 141 is arranged on the upper bottom plate 14, and a lower discharging hole 151 is provided on the lower bottom plate 15. The upper feeding holes 141 and the lower discharging holes 151 are aligned one by one, and any one upper feeding hole 141 and the corresponding lower discharging hole 151 form a material hole 12. The baffle plate 31 is located between the upper bottom plate 14 and the lower bottom plate 15, and the through hole 311 on the baffle plate 31 can be aligned with or offset from the upper feeding hole 141 and the lower discharging hole 151 by moving the baffle plate 31. A blanking nozzle 13 is installed on the lower bottom plate 15, and the blanking nozzles 13 correspond to the lower discharging holes 151 one by one.

[0062] Specifically, each material hole 12 is composed of an upper feeding hole 141 and a lower discharging hole 151, and the upper feeding hole 141 and the lower discharging hole 151 have an alignment relationship. The baffle plate 31 is located between the upper bottom plate 14 and the lower bottom plate 15. When the through hole 311 of the baffle plate 31 is aligned with the upper feeding hole 141 and the lower discharging hole 151, the material hole 12 is in an open state, and the slurry in the medicine trough can fall through the upper feeding hole 141, the through hole 311, the lower discharging hole 151, and the blanking nozzle 13 in sequence. At this time, the injection unit of the injection assembly can inject the slurry into the fireworks cylinder through the material hole 12. When the through hole 311 of the baffle plate 31 is offset from the upper feeding hole 141 and the lower discharging hole 151, the upper feeding hole 141 and the lower discharging hole 151 are blocked by the baffle plate 31, and the slurry cannot enter the lower discharging hole 151 through the upper feeding hole 141, and the material hole 12 is in a closed state.

[0063] The embodiment of the present application also provides a fireworks production line, which has the fireworks gunpowder loading device provided in the previous part. The fireworks production line is used for making fireworks and includes a plurality of fireworks processing devices, such as a paper baba loading device and an inner cylinder loading device.

[0064] When loading gunpowder using the above-mentioned fireworks gunpowder loading device, the slurry of the gunpowder is put into the medicine trough. The injection plug sucks the slurry into the material pipe by moving in the material pipe, and then the injection plug injects the slurry into the fireworks cylinder by moving in the material pipe. The material pipe is separated from the material hole at the bottom of the medicine trough when sucking the slurry; the material pipe is combined with the material hole when injecting the slurry. In this way, through the reciprocating movement of the injection plug in the material pipe, the slurry in the medicine trough is continuously injected into each fireworks cylinder by each injection unit. The fireworks gunpowder loading device provided in the present application is applied to loading gunpowder slurry. The injection plug reciprocates in the material pipe to make the material pipe suck the slurry in the medicine trough and inject the slurry into the fireworks cylinder through the corresponding material hole. The present application provides a loading device that can efficiently load gunpowder slurry into the fireworks cylinder.

[0065] In addition, it should be noted that the fireworks cylinder referred to in the present application can be the effect inner cylinder of the fireworks or the outer cylinder of the combined fireworks. Therefore, the fireworks gunpowder loading device provided in the present application can also be used to load the effect inner cylinder, and the slurry is the inner cylinder gunpowder when loading the effect inner cylinder.

[0066] In the above embodiments of the present application, the descriptions of the respective embodiments have their own emphases. For parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0067] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprise" and / or "include" are used in this specification, they specify the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0068] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art to which the present application pertains may make various modifications or supplements to the described specific embodiments or use similar means for substitution, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A fireworks gunpowder loading device, characterized in that, include: A medicine trough, used to contain medicine slurry containing gunpowder, wherein the bottom of the medicine trough is arranged with material holes; The injection assembly includes an injection unit corresponding to the material holes at the bottom of the medicine groove, and a driving source for driving the injection unit to move; the injection unit includes a material tube and an injection plug, the material tube is placed in the medicine groove, the injection plug is located in the material tube and forms a sliding fit with the inner wall of the material tube, and the injection plug slides back and forth in the material tube to make the material tube absorb the medicine slurry in the medicine groove and inject the medicine slurry into the firework tube through the corresponding material holes.

2. The fireworks gunpowder loading device according to claim 1, characterized in that, The driving source includes a first driving source and a second driving source; The first driving source is used to drive the material pipe to move so that the injection port at the lower end of the material pipe is combined with or separated from the corresponding material hole; The second driving source is used to drive the injection plug to slide in the material pipe, so that the material pipe absorbs the medicine slurry in the medicine groove when the injection port is separated from the material hole, and injects the medicine slurry into the material hole when the injection port is combined with the material hole.

3. The fireworks gunpowder filling device according to claim 2, characterized in that, The material hole comprises an upper section and a lower section, wherein the upper section is located on one side of the inner bottom surface of the medicine groove, and the lower section is located between the upper section and the outer bottom surface of the medicine groove, and the outer diameter of the lower end of the material tube is adapted to the aperture of the upper section; the aperture of the lower section is smaller than the aperture of the upper section, thereby forming a circumferential step surface at the bottom of the upper section; The lower end of the material pipe is inserted into the upper section of the corresponding material hole so that the injection port is combined with the corresponding material hole.

4. The fireworks gunpowder loading device according to claim 2, characterized in that, The injection assembly also includes a second bracket and a third bracket; Each injection plug corresponds to an injection rod, the injection plug is arranged on the corresponding injection rod, all injection rods are arranged on the third bracket, and the second driving source drives all injection plugs to move by driving the third bracket; All the material pipes are arranged on the second bracket, and the first driving source drives all the material pipes to move by driving the second bracket.

5. The fireworks gunpowder loading device according to claim 4, characterized in that The injection assembly also includes a first bracket; The first bracket is provided with a first guide rod for guiding the movement of the second bracket, and the first driving source is installed on the first bracket; The second bracket is provided with a second guide rod for guiding the movement of the third bracket, and the second driving source is installed on the second bracket; The first driving source is a cylinder, whose cylinder body is mounted on the first bracket and whose piston rod is connected to the second bracket; The second driving source is a cylinder, a cylinder body of which is mounted on the second bracket, and a piston rod of which is connected to the third bracket.

6. The fireworks gunpowder loading device according to any one of claims 1-5, characterized in that, The fireworks powder filling device also has a material blocking component; the material blocking component can open or close the material hole.

7. The firework gunpowder loading device according to claim 6, characterized in that, The material blocking assembly includes a material blocking plate, and the material blocking plate can close or open the material hole through action.

8. The fireworks gunpowder loading device according to claim 7, characterized in that, The baffle plate is provided with through holes corresponding to the material holes one by one; The material baffle assembly also has a third driving source, which is used to drive the material baffle plate to move so that the through hole on the material baffle plate is aligned with the material hole to open the material hole, or the through hole on the material baffle plate is staggered with the material hole to close the material hole.

9. The fireworks powder charging device according to claim 8, characterized in that: The bottom of the medicine trough includes an upper bottom plate and a lower bottom plate. An upper feeding hole is arranged on the upper bottom plate, and a lower discharging hole is provided on the lower bottom plate. The upper feeding holes and the lower discharging holes are aligned in pairs, and any one upper feeding hole and the corresponding lower discharging hole form a material hole. The baffle plate is located between the upper bottom plate and the lower bottom plate. The through hole on the baffle plate can be aligned or staggered with the upper feeding hole and the lower discharging hole by moving the baffle plate. A blanking nozzle is installed on the lower bottom plate, and the blanking nozzles correspond to the lower discharging holes one by one.

10. A fireworks production line, characterized in that, The fireworks production line has a fireworks gunpowder loading device as described in any one of claims 1-9.

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