Inner cylinder cake feeding assembly and firework filling production line

By designing the inner cylinder cake loading assembly, and using the drive device and the grabbing and pushing mechanism to achieve automatic loading of the inner cylinder cake, the safety hazards and high labor intensity problems of manual operation in the prior art are solved, and safe and efficient inner cylinder loading is achieved.

CN223254281UActive Publication Date: 2025-08-22LIUYANG DAYAO TOWN HENGFA MASCH FACTORY
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Patent Information

Application Number
CN202521500976.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-17
Publication Date
2025-08-22
Estimated Expiration
2035-07-17

AI Technical Summary

Technical Problem

The existing firework inner cylinder equipment requires manual operation when loading, which poses safety hazards and has low automation level, resulting in high manual labor intensity.

Method used

An inner cylinder cake loading assembly is designed, including a silo, a driving device, a grab mechanism and a push mechanism. The drive device drives the grab mechanism and a push mechanism to move, and realizes the automatic loading of the inner cylinder cake. The grab mechanism clamps the inner cylinder cake and pushes it into the silo, and the clamping arm can automatically separate the cable ties.

Benefits of technology

Automatic feeding of inner cylinder cakes is realized, reducing manual labor intensity, improving safety, and avoiding the steps of manually removing the cable ties.

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Abstract

The utility model provides an inner cylinder cake feeding assembly and a firework filling production line, and relates to the technical field of firework production equipment, the inner cylinder cake feeding assembly comprises a stock bin, a driving device, and a grabbing mechanism and a pushing mechanism which are arranged on the driving device; the driving device is used for driving the grabbing mechanism and the pushing mechanism to move; the grabbing mechanism is used for grabbing the inner cylinder cake; the pushing mechanism comprises a pushing frame and a second driving element; the second driving element is used for driving the pushing frame to act so as to push the inner barrels clamped between the first clamping arm and the second clamping arm forwards into the stock bin when the grabbing mechanism grabs the inner barrel cakes to move to the position of a feeding port of the stock bin. By means of the driving device, the grabbing mechanism, the pushing mechanism and the inner cylinder cake feeding assembly, an inner cylinder in an inner cylinder cake can be integrally placed into the stock bin, manual operation is not needed, and safety is higher.
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Description

Technical Field

[0001] The present application relates to the technical field of fireworks production equipment, and in particular to an inner tube cake loading assembly and a fireworks filling production line. Background Art

[0002] The inner tube of a firework is a core component in the structure of a firework, primarily responsible for loading the pyrotechnic composition and achieving lift, explosion, and display effects during ignition. Typically, the inner tube cake is the basic unit of firework production. The inner tube cake is a hexagonal shape, made by combining multiple firework inner tubes with cable ties. Current firework inner tube equipment requires manual disassembly and loading of the inner tube cakes into a hopper during operation. This requires manual loading, requiring operators to be close to the hopper to load the inner tubes, which compromises safety. Furthermore, due to the low level of automation in the loading phase of current firework inner tube equipment, the cable ties on the inner tube cakes must be removed one by one, requiring significant manpower. Utility Model Content

[0003] The technical problem to be solved by this application is to propose an inner tube cake loading assembly and a fireworks filling production line in response to the above-mentioned deficiencies in the prior art.

[0004] An inner cylinder cake loading assembly, comprising: a material bin, a driving device, and a grabbing mechanism and a pushing mechanism arranged on the driving device; the driving device is used to drive the grabbing mechanism and the pushing mechanism to move;

[0005] The grabbing mechanism is used to grab the inner cylinder cake;

[0006] The pushing mechanism includes a pushing frame and a second driving element; the second driving element is used to drive the pushing frame to push the inner cylinder on the grabbing mechanism forward into the silo when the grabbing mechanism grabs the inner cylinder cake and moves to the feed port position of the silo.

[0007] Optionally, the gripping mechanism includes a first clamping arm, a second clamping arm, and a first driving element; the first driving element is used to drive the first clamping arm and the second clamping arm to move, so that the first clamping arm and the second clamping arm clamp the inner cylindrical cake from two opposite sides of the inner cylindrical cake;

[0008] The first clamping arm and the second clamping arm each include a first clamping portion and a second clamping portion; the first clamping portion and the second clamping portion are spaced apart and arranged in front of and behind each other along the pushing direction of the pushing frame, and the first clamping portion is located in front of the second clamping portion;

[0009] When the first clamping arm and the second clamping arm clamp the inner cylinder cake, for any clamping arm, the first clamping part and the second clamping part respectively abut against the side surfaces of the inner cylinder on both sides of the tie on the inner cylinder cake, so that the tie on the inner cylinder cake is placed in the gap between the first clamping part and the second clamping part, so that when the pushing frame pushes the inner cylinder clamped between the first clamping arm and the second clamping arm forward into the material bin, the first clamping part can block the tie on the inner cylinder cake and separate it from the inner cylinder.

[0010] Optionally, the longitudinal cross-section of the trough of the silo is configured to be hexagonal and extends to one side to form a hexagonal feed port, which is adapted to the shape of the inner cylinder cake so as to receive and accommodate the inner cylinder pushed in laterally by the pushing rack.

[0011] Optionally, a positioning support is provided at the front bottom of the feed port, and the positioning support has the same contour shape as the bottom of the feed port.

[0012] Optionally, the positioning support includes a first rib and a second rib, and the first rib and the second rib form a V-shaped positioning structure.

[0013] Optionally, the inner cake feeding assembly further includes a baffle mechanism;

[0014] The baffle mechanism includes a baffle and a fourth driving element; the fourth driving element is used to drive the baffle to move to the feed port to cover the feed port, or to move away from the feed port.

[0015] Optionally, the first clamping arm and the second clamping arm are provided with a continuous concave-convex structure adapted to the side shape of the inner cylinder cake on the inner side near the space between them.

[0016] Optionally, the concave-convex structure is composed of a plurality of arc-shaped grooves adapted to the shape of the side surface of the inner cylinder.

[0017] Optionally, the pushing frame is provided with a pushing head for pushing the inner cylinder cake; the pushing head is adapted to the shape of the inner cylinder cake so that the cable tie of the inner cylinder cake can slide onto the pushing head after being separated from the inner cylinder;

[0018] The pushing mechanism also includes a third driving element; wherein, the second driving element is used to drive the pushing frame to move forward to push the inner cylinder forward into the silo, and the third driving element is used to drive the pushing frame to flip backward to a horizontal state to cause the cable tie on the pushing head to fall off.

[0019] The present application also provides a fireworks filling production line, which has the above-mentioned inner cylinder cake loading assembly.

[0020] In the inner cylinder cake loading assembly provided in this application, the gripping mechanism and the pushing mechanism are arranged on a drive device. The drive device can drive the gripping mechanism and the pushing mechanism to move, the gripping mechanism can grip or release the inner cylinder cake, and the pushing mechanism can push the inner cylinder cake gripped by the gripping mechanism into the hopper. With the help of the above-mentioned drive device, gripping mechanism, and pushing mechanism, the inner cylinder cake loading assembly can place the inner cylinder of the inner cylinder cake into the hopper as a whole, realizing automated loading.

[0021] Furthermore, the first clamping arm and the second clamping arm each include a first clamping portion and a second clamping portion. When the first clamping arm and the second clamping arm clamp the inner cylinder cake, for either clamping arm, the first clamping portion and the second clamping portion respectively abut against the side surfaces of the inner cylinder on both sides of the tie on the inner cylinder cake, so that the tie on the inner cylinder cake is placed in the gap between the first clamping portion and the second clamping portion. Therefore, when the pushing frame pushes the inner cylinder clamped between the first clamping arm and the second clamping arm forward into the hopper, the first clamping portion can block the tie on the inner cylinder cake and separate it from the inner cylinder. Therefore, there is no need to manually remove the tie on the inner cylinder cake during loading, reducing labor intensity. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural diagram of the inner cylinder cake in the embodiment of the present application.

[0023] Figure 2 It is a structural schematic diagram of the inner drum cake feeding assembly in an embodiment of the present application.

[0024] Figure 3 This is one of the partial structural schematic diagrams of the inner drum cake feeding assembly in the embodiment of the present application.

[0025] Figure 4 This is the second partial structural diagram of the inner drum cake feeding assembly in the embodiment of the present application.

[0026] Figure 5 This is the third partial structural diagram of the inner drum cake feeding assembly in the embodiment of the present application.

[0027] Figure 6 This is the fourth partial structural diagram of the inner drum cake feeding assembly in the embodiment of the present application.

[0028] Figure 7 This is a schematic diagram of the first clamping arm and the second clamping arm clamping the inner cylinder cake in an embodiment of the present application.

[0029] Figure 8 It is a structural diagram of the silo in the embodiment of the present application.

[0030] Figure markings: hopper 10, trough 11, positioning support 13, first rib 131, second rib 132, driving device 20, gripping mechanism 30, first clamping arm 31, second clamping arm 32, first clamping part 33, second clamping part 34, concave-convex structure 35, arc-shaped groove 351, pushing mechanism 40, pushing frame 41, pushing head 411, second driving element 42, third driving element 43, inner tube cake 50, inner tube 51, cable tie 52, baffle mechanism 60, baffle 61, fourth driving element 62. DETAILED DESCRIPTION

[0031] The following are specific embodiments of the present application and, in conjunction with the accompanying drawings, further description of the technical solutions of the present application is provided, but the present application is not limited to these embodiments. In the following description, specific details such as specific configurations and components are provided solely to assist in a comprehensive understanding of the embodiments of the present application. Therefore, it should be clear to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope of protection of the present application. In addition, for clarity and brevity, descriptions of known functions and configurations have been omitted.

[0032] It should be noted that, unless there is any conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0033] The inner cylinder loading assembly provided in the embodiments of this application is used in a fireworks filling production line, specifically for loading inner cylinders. Furthermore, the inner cylinder of a firework is a core component, primarily responsible for loading the pyrotechnic composition and achieving lift, explosion, and display effects during ignition. Typically, the inner cylinder is the basic unit of fireworks production. The inner cylinder is composed of multiple inner cylinders connected together by cable ties, forming a hexagonal shape.

[0034] Figure 1 The structure of the inner cylinder cake is shown. The inner cylinder cake 50 includes multiple inner cylinders 51 and tie ties 52. The inner cylinders 51 are combined together by the tie ties 52 to form a hexagonal inner cylinder cake.

[0035] Figure 2 The inner cake loading assembly provided by an embodiment of the present application is shown. The inner cake loading assembly includes: a silo 10, a drive device 20, and a gripping mechanism 30 and a pushing mechanism 40 disposed on the drive device 20. The drive device 20 is used to drive the gripping mechanism 30 and the pushing mechanism 40 to move. During operation, the gripping mechanism 30 is used to grab the inner cake 50. When the gripping mechanism 30 grabs the inner cake 50 and moves it to the feed inlet of the silo 10, the pushing mechanism 40 pushes the inner cake on the gripping mechanism 30 into the silo 10.

[0036] The gripping mechanism 30 and the pushing mechanism 40 are arranged on the driving device 20, and the driving device 20 can drive the gripping mechanism 30 and the pushing mechanism 40 to move. In one technical solution, the driving device 20 can drive the gripping mechanism 30 and the pushing mechanism 40 to move in the x-axis direction, the y-axis direction, and the z-axis direction, respectively, wherein the x-axis direction and the y-axis direction are horizontal directions perpendicular to each other, and the z-axis direction is a vertical direction. Furthermore, the driving device 20 includes an x-axis driving unit, a y-axis driving unit, and a z-axis driving unit, which are used to drive the gripping mechanism 30 and the pushing mechanism 40 to move along the x-axis direction, the y-axis direction, and the z-axis direction, respectively. In a specific solution, the x-axis driving unit, the y-axis driving unit, and the z-axis driving unit are all linear modules.

[0037] Specifically, the grabbing mechanism 30 grabs the inner tube cake at a predetermined position and moves to the feed port position of the silo 10 under the drive of the driving device 20. Finally, the pushing mechanism 40 pushes the inner tube on the grabbing mechanism 30 into the silo 10, thereby completing the loading of the inner tube cake.

[0038] refer to Figure 3-Figure 6 The gripping mechanism 30 includes a first clamping arm 31, a second clamping arm 32, and a first driving element. The first driving element is used to drive the first clamping arm 31 and the second clamping arm 32 to clamp the inner cylindrical cake 50 from opposite sides of the inner cylindrical cake 50, or to release the inner cylindrical cake 50 they are clamping. The first driving element can be configured as various types of driving devices, such as a pneumatic cylinder or an electric cylinder, as needed. When the first clamping arm 31 and the second clamping arm 32 move to opposite sides of the inner cylindrical cake 50, the first driving element drives the first clamping arm 31 and the second clamping arm 32 toward each other to clamp the inner cylindrical cake 50. When the inner cylindrical cake 50 needs to be released, the first driving element drives the first clamping arm 31 and the second clamping arm 32 away from each other, causing the first clamping arm 31 and the second clamping arm 32 to break contact with the inner cylindrical cake 50.

[0039] Continue to refer Figure 3-Figure 6 The pushing mechanism 40 includes a pushing frame 41 and a second driving element 42. When the gripping mechanism 30 grabs the inner tube cake 50 and moves it to the feed inlet of the silo 10, the second driving element 42 drives the pushing frame 41 to move the inner tube cake, held between the first clamping arm 31 and the second clamping arm 32, forward into the silo 10. The second driving element can be configured as various types of driving devices, such as a pneumatic cylinder or an electric cylinder, as needed. When the inner tube cake grabbed by the gripping mechanism 30 is aligned with the feed inlet of the silo 10, the second driving element 42 drives the pushing frame 41 to extend forward, pushing the inner tube cake forward into the silo 10.

[0040] In one embodiment of the present application, the first clamping arm 31 and the second clamping arm 32 each include a first clamping portion 33 and a second clamping portion 34; the first clamping portion 33 and the second clamping portion 34 are spaced apart in a front-to-rear manner along the pushing direction of the pushing rack 41, and the first clamping portion 33 is located in front of the second clamping portion 34. When the first clamping arm 31 and the second clamping arm 32 clamp the inner cylinder cake, for either clamping arm, the first clamping portion 33 and the second clamping portion 34 respectively abut against the side surfaces of the inner cylinder 51 on both sides of the tie on the inner cylinder cake, so that the tie on the inner cylinder cake is placed in the gap between the first clamping portion 33 and the second clamping portion 34. Therefore, when the pushing rack 41 pushes the inner cylinder clamped between the first clamping arm 31 and the second clamping arm 32 forward into the silo 10, the first clamping portion 33 can block the tie 52 on the inner cylinder cake and separate it from the inner cylinder 51.

[0041] When the first clamping arm 31 and the second clamping arm 32 clamp the inner tube cake 50, the first clamping portion 33 and the second clamping portion 34 of each clamping arm respectively abut against the side surfaces of the inner tube on either side of the tie 52, with the tie 52 located in the gap between the first clamping portion 33 and the second clamping portion 34. While the first clamping arm 31 and the second clamping arm 32 maintain their clamping state, as the pushing frame 41 pushes the inner tube held between the first clamping arm 31 and the second clamping arm 32 forward into the silo 10, the tie 52 is blocked by the first clamping portion 33 and separated from the inner tube 51. Therefore, as the pushing frame 41 pushes the inner tube 51 into the silo 10, the inner tube 51 and the tie 52 of the inner tube cake 50 separate, simultaneously achieving the unbundling of the inner tube cake. This eliminates the need to manually remove the tie from the inner tube cake during loading, reducing labor intensity.

[0042] refer to Figure 8 In one embodiment of the present application, the hopper 10 has a trough 11, the longitudinal cross section of which is hexagonal and extends to one side to form a hexagonal feed port, which is adapted to the shape of the inner cylinder cake so as to receive and accommodate the inner cylinder pushed in from the side by the pushing rack 41. Figure 8 In the structure shown, after the inner cylinder of the inner cylinder cake is pushed into the trough, the inner cylinder fills the trough 11 .

[0043] In one embodiment of the present application, a positioning support 13 is provided at the bottom in front of the feed port, and the positioning support 13 is consistent with the bottom contour shape of the feed port. The positioning support 13 is used to position the inner cylinder cake 50 and guide the inner cylinder into the material trough 11. Furthermore, the positioning support 13 includes a first rib 131 and a second rib 132, and the first rib 131 and the second rib 132 constitute a V-shaped positioning structure. When the inner cylinder cake 50 is placed downward on the first rib 131 and the second rib 132, the first rib 131 and the second rib 132 can correct the position of the inner cylinder cake so that it is precisely aligned with the feed port of the material trough 11, so that the inner cylinder can be smoothly pushed into the material trough 11.

[0044] In one embodiment of the present application, the inner cylinder cake loading assembly further includes a baffle mechanism 60; wherein the baffle mechanism 60 includes a baffle 61 and a fourth drive element 62; the fourth drive element 62 is used to drive the baffle 61 to move to the feed port to cover the feed port, or to move away from the feed port. The fourth drive element 62 can be configured as various types of drive devices as needed, such as a pneumatic cylinder, an electric cylinder, etc. During feeding, the fourth drive element 62 drives the baffle 61 to move upward from the feed port to open the feed port, allowing the gripping mechanism 30 and the pushing mechanism 40 to move to the feed port position of the silo 10, thereby enabling the inner cylinder to be delivered into the silo 10. After feeding, the fourth drive element 62 drives the baffle 61 to move to the feed port to cover the feed port, thereby preventing the inner cylinder from slipping out of the feed port when the trough is emptying.

[0045] refer to Figure 7 In one embodiment of the present application, a continuous concave-convex structure 35 is provided on the inner side of the first clamping arm 31 and the second clamping arm 32 near the space between them, which matches the side shape of the inner cylinder. In one specific embodiment, the concave-convex structure 35 is composed of a plurality of arcuate grooves 351 that match the side shape of the inner cylinder 51. In this design, the concave-convex structure 35 matches the side shape of the inner cylinder. When the first clamping arm 31 and the second clamping arm 32 clamp the inner cylinder 50, the concave-convex structure 35 on the first clamping arm 31 and the second clamping arm 32 more securely integrates with the side of the inner cylinder, preventing the inner cylinder from slipping during the clamping process.

[0046] In one embodiment of the present application, the pushing frame 41 is provided with a pushing head 411 for pushing the inner tube cake; the pushing head 411 is adapted to the shape of the inner tube cake so that the cable tie of the inner tube cake can slide onto the pushing head 411 after being separated from the inner tube. The pushing mechanism 40 also includes a third driving element 43; wherein the second driving element 42 is used to drive the pushing frame 41 to move forward to push the inner tube forward into the silo 10, and the third driving element 43 is used to drive the pushing frame 41 to flip backward to a horizontal state to cause the cable tie on the pushing head 411 to fall. The second driving element and the third driving element can be configured as various types of driving devices as needed, such as a pneumatic cylinder, an electric cylinder, etc. The second driving element is used to drive the pushing frame to move forward and backward to push the inner tube forward into the silo 10; the third driving element is used to drive the pushing frame to flip backward to a horizontal state to cause the cable tie on the pushing head 411 to fall.

[0047] Specifically, as the pushing frame 41 pushes the inner cylinder clamped between the first clamping arm 31 and the second clamping arm 32 forward into the silo 10, the cable tie 52 is blocked by the first clamping portion 33 in front and separated from the inner cylinder 51, allowing the cable tie 52 to slide onto the pushing head 411. With the cable tie 52 on the pushing head 411, the third driving element 43 can drive the pushing frame 41 to flip backward to a horizontal position, causing the cable tie on the pushing head 411 to fall off.

[0048] The present application also provides a fireworks filling production line, which incorporates the inner cylinder cake loading assembly described in the previous section. The inner cylinder cake loading assembly comprises a hopper 10, a drive device 20, and a gripping mechanism 30 and a pushing mechanism 40 disposed on the drive device 20. The drive device 20 is configured to drive the gripping mechanism 30 and the pushing mechanism 40. During operation, the gripping mechanism 30 grips the inner cylinder cake 50. When the gripping mechanism 30 grasps the inner cylinder cake 50 and moves it to the inlet of the hopper 10, the pushing mechanism 40 pushes the inner cylinder cake from the gripping mechanism 30 into the hopper 10.

[0049] In summary, in the inner cylinder cake loading assembly provided by this application, the gripping mechanism and the pushing mechanism are arranged on a drive device. The drive device can drive the gripping mechanism and the pushing mechanism to move, the gripping mechanism can grip or release the inner cylinder cake, and the pushing mechanism can push the inner cylinder cake gripped by the gripping mechanism into the silo. With the help of the above-mentioned drive device, gripping mechanism, and pushing mechanism, the inner cylinder cake loading assembly can place the inner cylinder of the inner cylinder cake into the silo as a whole, without manual operation, which is safer.

[0050] Furthermore, the first clamping arm and the second clamping arm each include a first clamping portion and a second clamping portion. When the first clamping arm and the second clamping arm clamp the inner cylinder cake, for either clamping arm, the first clamping portion and the second clamping portion respectively abut against the side surfaces of the inner cylinder on both sides of the tie on the inner cylinder cake, and the tie on the inner cylinder cake can be placed in the gap between the first clamping portion and the second clamping portion. Therefore, when the pushing frame pushes the inner cylinder clamped between the first clamping arm and the second clamping arm forward into the hopper, the first clamping portion can block the tie on the inner cylinder cake and separate it from the inner cylinder. Therefore, there is no need to manually remove the tie on the inner cylinder cake during loading, reducing labor intensity.

[0051] In the above embodiments of the present application, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0052] In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present application, "multiple" means at least two, such as two, three, etc., unless otherwise clearly 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 be understood that when the terms "comprises" and / or "includes" are used in this specification, they indicate the presence of features, steps, tasks, devices, components and / or combinations thereof.

[0053] The specific embodiments described herein are merely examples of the technical solutions of this application. Those skilled in the art may make various modifications or additions to the described specific embodiments or replace them with similar methods without departing from the scope defined by the claims of this application.

Claims

1. An inner drum cake feeding assembly, characterized in that: The inner cake feeding assembly includes: a hopper, a driving device, and a grabbing mechanism and a pushing mechanism arranged on the driving device; the driving device is used to drive the grabbing mechanism and the pushing mechanism to move; The grabbing mechanism is used to grab the inner cylinder cake; The pushing mechanism includes a pushing frame and a second driving element; the second driving element is used to drive the pushing frame to push the inner cylinder on the grabbing mechanism forward into the silo when the grabbing mechanism grabs the inner cylinder cake and moves to the feed port position of the silo.

2. The inner drum cake feeding assembly according to claim 1, characterized in that: The gripping mechanism includes a first clamping arm, a second clamping arm, and a first driving element; the first driving element is used to drive the first clamping arm and the second clamping arm to move so that the first clamping arm and the second clamping arm clamp the inner cylinder cake from two opposite sides of the inner cylinder cake; The first clamping arm and the second clamping arm each include a first clamping portion and a second clamping portion; the first clamping portion and the second clamping portion are spaced apart and arranged in front of and behind each other along the pushing direction of the pushing frame, and the first clamping portion is located in front of the second clamping portion; When the first clamping arm and the second clamping arm clamp the inner cylinder cake, for any clamping arm, the first clamping part and the second clamping part respectively abut against the side surfaces of the inner cylinder on both sides of the tie on the inner cylinder cake, so that the tie on the inner cylinder cake is placed in the gap between the first clamping part and the second clamping part, so that when the pushing frame pushes the inner cylinder clamped between the first clamping arm and the second clamping arm forward into the material bin, the first clamping part can block the tie on the inner cylinder cake and separate it from the inner cylinder.

3. The inner drum cake feeding assembly according to claim 2, characterized in that: The longitudinal cross section of the trough of the silo is set to be hexagonal, and extends to one side to form a hexagonal feeding port, which is adapted to the shape of the inner cylinder cake so as to receive and accommodate the inner cylinder pushed in laterally by the pushing rack.

4. The inner drum cake feeding assembly according to claim 3, characterized in that: A positioning support is provided at the front bottom of the feed port, and the positioning support has the same contour shape as the bottom of the feed port.

5. The inner drum cake feeding assembly according to claim 4, characterized in that: The positioning support includes a first rib and a second rib, and the first rib and the second rib form a V-shaped positioning structure.

6. The inner drum cake feeding assembly according to claim 1, characterized in that: The inner cylinder cake feeding assembly also includes a baffle mechanism; The baffle mechanism includes a baffle and a fourth driving element; the fourth driving element is used to drive the baffle to move to the feed port to cover the feed port, or to move away from the feed port.

7. The inner drum cake feeding assembly according to claim 2, characterized in that: The first clamping arm and the second clamping arm are provided with a continuous concave-convex structure adapted to the side shape of the inner cylinder cake on the inner side near the space between them.

8. The inner drum cake feeding assembly according to claim 7, characterized in that: The concave-convex structure is composed of a plurality of arc-shaped grooves adapted to the shape of the side surface of the inner cylinder.

9. The inner drum cake feeding assembly according to claim 2, characterized in that: The pushing frame is provided with a pushing head for pushing the inner cylinder cake; the pushing head is adapted to the shape of the inner cylinder cake so that the cable tie of the inner cylinder cake can slide into the pushing head after being separated from the inner cylinder; The pushing mechanism also includes a third driving element; wherein, the second driving element is used to drive the pushing frame to move forward to push the inner cylinder forward into the silo, and the third driving element is used to drive the pushing frame to flip backward to a horizontal state to cause the cable tie on the pushing head to fall off.

10. A fireworks filling production line, characterized in that: The fireworks filling production line has the inner cylinder cake loading assembly as described in any one of claims 1-9.

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