Special-shaped firework group pot bundling device and firework production equipment
By installing a tape wrapping mechanism on the movable frame and using a swing drive mechanism to drive the movable frame to swing, the tape mechanism can wrap tightly against the side of the fan-shaped firework, solving the problem of loose binding in the prior art and achieving a better binding effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LIUYANG JIANGCHENG MACHINERY FACTORY (SOLE PROPRIETORSHIP)
- Filing Date
- 2025-09-02
- Publication Date
- 2026-06-26
AI Technical Summary
When using existing tape bundling equipment to bundle fan-shaped fireworks, the tape cannot adhere directly to the inclined side of the fireworks, resulting in loose bundling and easy wrinkling.
A device for binding irregularly shaped fireworks pods was designed. By installing a tape wrapping mechanism on a movable frame and using a swing drive mechanism to drive the movable frame to swing, the tape mechanism can wrap tightly against the straight edge of the fan-shaped fireworks. Combined with the rotational movement of the circular frame, it ensures that the tape is bonded to each side.
This method achieves a tight fit between the tape and the side of the fireworks, resulting in a more secure binding, preventing wrinkles after binding, and improving the production quality of the fireworks.
Smart Images

Figure CN224415904U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of fireworks production equipment, specifically to a device for binding irregularly shaped fireworks containers and fireworks production equipment. Background Technology
[0002] In the fireworks manufacturing process, there is a step commonly known as "assembling the pot." First, multiple firework tubes are glued together in rows, and holes are drilled in adjacent rows to insert fuses. Then, the rows of firework tubes are glued together into a block, and holes are drilled in adjacent rows to insert fuses. The block is then secured with tape. To mechanize the assembly process, some equipment has been developed. Tape binding systems are used to bind and reinforce the block with tape. Existing automatic tape binding equipment includes a circular frame driven by a motor, with a tape mechanism mounted on the frame. This mechanism moves in a circular motion under the drive of the frame, wrapping and binding the firework tubes.
[0003] However, when the binding device binds the fan-shaped fireworks, the tape mechanism moves in a circle in the same plane. Since the two sides of the fan-shaped fireworks are tilted, the tape cannot be directly attached to the tilted sides of the fan-shaped fireworks. The tape can only be manually pressed to the side of the fireworks after binding is completed so that it is glued to the side of the fireworks. However, after the fireworks are glued, there will be many wrinkles and the binding is not tight enough. Utility Model Content
[0004] In view of this, the purpose of this utility model is to overcome the shortcomings of the prior art and provide a device for binding irregularly shaped fireworks containers. This application provides the following technical solution:
[0005] The device includes a tape winding mechanism mounted on a movable frame. The movable frame is connected to a swing drive mechanism, which drives the movable frame to swing so that when the tape on the tape winding mechanism moves to the straight edge of the fan-shaped firework assembly, the tape tightly adheres to the surface of the straight edge and completes the winding.
[0006] The tape winding mechanism includes a circular frame on which the tape winding mechanism is mounted.
[0007] The movable frame is provided with a lower frame at its bottom, and the movable frame is mounted on the lower frame.
[0008] The bottom of the movable frame is provided with a rotating shaft, and the swing drive mechanism is connected to the rotating shaft for driving the rotating shaft to rotate.
[0009] The lower frame is provided with a circular track, and the movable frame is installed on the circular track and slides and rotates along the circular track.
[0010] Both ends of the bottom of the movable frame are provided with rocker arms. Each rocker arm includes a fixed end that is rotatably mounted to the lower frame and a swing end that is rotatably connected to the movable frame. The rocker arms and the movable frame form a double rocker arm mechanism. The swing drive mechanism is connected to the rocker arms for driving the rocker arms to swing.
[0011] The lower frame is provided with an arc-shaped track, and the movable frame is slidably installed on the arc-shaped track. When sliding along the arc-shaped track, the frame rotates at an angle. The swing drive mechanism is connected to the movable frame and drives the movable frame to slide along the arc-shaped track.
[0012] This application also provides a fireworks production equipment that uses the aforementioned irregularly shaped fireworks bundle binding device.
[0013] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:
[0014] The circular frame and tape mechanism are mounted on a movable frame. The movable frame is driven by a swing drive mechanism to change its angle. The circular frame and tape mechanism move together, so that when the tape mechanism rotates along the circular frame to wrap around and bind the fireworks, it changes its angle to align with the required adhesive surface. This ensures that the tape is facing each side of the fireworks before being glued, resulting in better adhesion between the tape and the fireworks, a tighter binding, and better quality fireworks.
[0015] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a schematic diagram of a uniquely shaped fireworks assembly binding device.
[0018] Figure 2 This is a schematic diagram of a movable frame for a uniquely shaped fireworks assembly binding device.
[0019] Figure 3 This is a schematic diagram of the principle of a uniquely shaped fireworks assembly binding device.
[0020] Figure 4 This is a schematic diagram of a circular track for a uniquely shaped fireworks assembly binding device.
[0021] Figure 5 This is a schematic diagram of a circular track for a uniquely shaped fireworks assembly binding device.
[0022] Figure 6 This is a schematic diagram of a rocker arm component of a uniquely shaped fireworks assembly binding device.
[0023] Figure 7 This is a schematic diagram of the rocker arm component of a uniquely shaped fireworks assembly binding device.
[0024] Figure 8 This is a schematic diagram of a V-shaped track for a uniquely shaped fireworks assembly binding device.
[0025] Figure 9 This is a schematic diagram of a U-shaped track for binding irregularly shaped fireworks containers.
[0026] Reference numerals: 1. Circular frame; 2. Belt mechanism; 3. Movable frame; 31. Rotating shaft; 4. Swing drive mechanism; 5. Lower frame; 51. Circular track; 52. V-shaped track; 53. U-shaped track; 6. Rocker arm. Detailed Implementation
[0027] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.
[0028] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0029] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.
[0030] Please refer to Figure 1-5 As shown, this is an embodiment of the present application, which includes a tape winding mechanism. The tape winding mechanism is mounted on a movable frame 3. The movable frame 3 is connected to a swing drive mechanism 4. The swing drive mechanism 4 is used to drive the movable frame 3 to swing, so that when the tape on the tape winding mechanism moves to the straight edge of the fan-shaped firework assembly, the tape tightly adheres to the surface of the straight edge to complete the winding.
[0031] The tape wrapping mechanism includes a circular frame 1, on which a tape wrapping mechanism 2 is mounted.
[0032] Specifically, the movable frame 3 adopts a rectangular frame as shown in the figure, which is composed of multiple horizontal and vertical square bars. It can also be a thin flat plate. Several guide wheels are installed on the circumference of one side of the movable frame 3. The outer or inner ring of the circular frame 1 is fitted with the guide wheels, so that the circular frame 1 can rotate on the movable frame 3 by driving the guide wheels to rotate. The tape mechanism 2 is rotatably installed on the rotating shaft set on the circular frame 1 and rotates along the rotating shaft to release the tape. The movable frame 3 is equipped with a servo motor that meshes with the circular frame 1 through gears or other transmissions. The servo motor is used to drive the circular frame 1 to rotate.
[0033] Furthermore, the tape winding mechanism also includes a tensioning mechanism and a cutting mechanism. The tensioning mechanism is used to tension the tape of the tape winding mechanism 2, and the cutting mechanism is used to cut the tape of the tape winding mechanism 2. It is worth noting that the arrangement of the circular frame 1, tape winding mechanism 2, tensioning mechanism, cutting mechanism and servo motor can refer to the tape winding and packaging machine in the prior art.
[0034] The bottom of the movable frame 3 is provided with a lower frame 5, and the movable frame 3 is installed on the lower frame 5.
[0035] A rotating shaft 31 is provided at the bottom center of the movable frame 3. The swing drive mechanism 4 is connected to the rotating shaft 31 for driving the rotating shaft 31 to rotate.
[0036] The swing drive mechanism 4 can be a servo motor that directly drives the rotating shaft 31 to rotate or drive the rotating shaft 31 to rotate through gear transmission. Alternatively, it can be a telescopic cylinder that works with the rack and pinion of the rotating shaft 31 to convert the linear motion of the telescopic cylinder into the rotary motion of the rotating shaft 31.
[0037] A circular track 51 is provided on the lower frame 5, and the movable frame 3 is installed on the circular track 51 and slides and rotates along the circular track 51.
[0038] Among them, the circular track 51 can be adopted as follows: Figure 4 The complete circular track shown can also be used as follows: Figure 5 The circular track shown.
[0039] In specific implementation, such as Figure 3As shown, the fan-shaped firework is fed into the circular frame 1, keeping it in the middle position. The swing drive mechanism 4 drives the movable frame 3 to rotate, stopping the tape mechanism 2 so that it faces the lateral inclined side of the fan-shaped firework. The circular frame 1 rotates, and the tape mechanism 2 applies adhesive to the lateral inclined side of the fan-shaped firework until it moves around the lateral inclined side with the circular frame 1. At this point, the tape on the lateral inclined side is completely adhered, and the tape mechanism 2 is located on the top or bottom side of the fan-shaped firework. Just as the tape mechanism 2 passes the lateral inclined side, the swing drive mechanism 4 drives the movable frame 3 to rotate, and the tape mechanism 2 continues to rotate with the circular frame 1 until it passes the top or bottom side of the fan-shaped firework. At this point, the tape mechanism 2 faces the other lateral inclined side of the fan-shaped firework, and the tape of the tape mechanism 2 is completely adhered to the fan-shaped firework. On the top or bottom side, the swing drive mechanism 4 stops driving the movable frame 3 to rotate, the circular frame 1 rotates, and the tape mechanism 2 applies adhesive to the other side of the fan-shaped firework's horizontally inclined side until the tape mechanism 2 moves around the horizontally inclined side with the circular frame 1. At this time, the tape on the horizontally inclined side is completely adhered. The tape mechanism 2 continues to move towards the other side of the fan-shaped firework's top or bottom side, the swing drive mechanism 4 drives the movable frame 3 to rotate back, and the tape mechanism 2 continues to rotate with the circular frame 1 until the tape mechanism 2 moves around the top or bottom side of the fan-shaped firework, completing the tape adhesion on the other side of the fan-shaped firework's top or bottom side. At this time, the tape mechanism 2 moves back to the initial position, completing one round of binding of the fan-shaped firework... This process is repeated until the tape mechanism 2 wraps and binds the fan-shaped firework a certain number of times, then the tape is cut to complete the binding, and the fan-shaped firework is sent out.
[0040] Based on the above movement pattern, it can be concluded that when the tape mechanism 2 is aligned with the two lateral inclined sides of the fan-shaped firework, the movable frame 3 remains stationary. When the tape mechanism 2 is aligned with the two top and bottom sides of the fan-shaped firework, the movable frame 3 begins to rotate. The rotation angle is the included angle between the two lateral inclined sides of the fan-shaped firework, i.e., the fan-shaped angle of the firework. The tape released by the tape mechanism 2 is taut and straightened by the tensioning mechanism. As the tape mechanism 2 rotates with the circular frame 1, the included angle between the tape and the side to be glued gradually decreases. That is, when the tape mechanism 2 passes around the side of the fan-shaped firework to be glued, the included angle is zero. The tape is then applied to the side of the fan-shaped firework in one continuous motion. The entire side is bonded. However, when the tape mechanism 2 does not go around the side of the fan-shaped firework that needs to be bonded, there is always an angle gap between the tape and the side, and it will not bond with the side. Therefore, when the tape mechanism 2 is aligned with the two top and bottom sides of the fan-shaped firework and the movable frame 3 rotates, there will be no situation where the tape is bonded while the movable frame 3 is rotating. The tape only bonds with the top or bottom side when the tape mechanism 2 goes around the top and bottom sides of the fan-shaped firework. That is, the tape on the top and bottom sides of the fan-shaped firework is straight, not curved, and the bend caused by the change in the angle of the movable frame 3 is located at the corner between the sides of the fan-shaped firework.
[0041] Please refer to Figure 6-7 As shown in Embodiment 2 of this application, the movable frame 3 is provided with rocker arms 6 at both ends of its bottom. The rocker arm 6 includes a fixed end that is rotatably mounted to the lower frame 5 and a swing end that is rotatably connected to the movable frame 3. The rocker arm 6 and the movable frame 3 form a double rocker mechanism. The swing drive mechanism 4 is connected to the rocker arm 6 for driving the rocker arm 6 to swing.
[0042] Among them, the joystick component 6 is not limited to, for example Figure 6 The rod-shaped configuration shown can also be configured as follows: Figure 7 The disc-shaped rocker arm 6 shown can be interpreted as being able to connect with the movable frame 3 to form a double rocker mechanism, and belongs to the rocker arm portion of the double rocker mechanism. Specifically, as shown... Figure 6 The rod-shaped rocker arm 6 shown is connected to the bottom bearing of the movable frame 3 at one end, and to the lower frame 5 at the other end. To strengthen the support for the movable frame 3, a roller is also provided at the bottom of the rod-shaped rocker arm 6 near the movable frame 3, and the roller rolls on the lower frame 5; Figure 7 The disc-shaped rocker arm 6 shown is nested in the lower frame 5 and can rotate on the lower frame 5. A fixed point on the disc-shaped rocker arm 6 is connected to the bottom bearing of the movable frame 3. The swing drive mechanism 4 can be a servo motor to directly drive the rocker arm 6 to swing or drive the rocker arm 6 to swing through a gear transmission. Alternatively, a telescopic cylinder can be used to cooperate with the rack and pinion of the rocker arm 6 to convert the linear motion of the telescopic cylinder into the rotational swing of the rocker arm 6.
[0043] In specific implementation, unlike in Example 1, the movable frame 3 is adjusted by swinging the rocker arm 6.
[0044] Please refer to Figure 8-9 As shown in Embodiment 3 of this application, an arc-shaped track is provided on the lower frame 5, and the movable frame 3 is slidably installed on the arc-shaped track. When sliding along the arc-shaped track, the angle rotates. The swing drive mechanism 4 is connected to the movable frame 3 and drives the movable frame 3 to slide along the arc-shaped track.
[0045] The curved track includes V-shaped track 52 and U-shaped track 53.
[0046] Specifically, a slider is fixed at the bottom of the movable frame 3, and the distance between the sliders is fixed. The lateral dimensions between the V-shaped track 52 and the U-shaped track 53 are different. When the slider on one side of the movable frame 3 moves towards the narrower dimension between the V-shaped track 52 or the U-shaped track 53, the slider on the other side is pushed towards the wider dimension, causing the angle of the movable frame 3 to change. The V-shaped track 52 is used, and one side of the track 52 is configured as an electric slide rail. The swing drive mechanism 4 is the drive structure of the electric slide rail. When using the V-shaped track 52 and the U-shaped track 53, the swing drive structure 4 can also be an electric push rod. Its telescopic end is hinged to one end of the movable frame 3, and its fixed end is hinged to the lower frame 5. By telescopically pulling one end of the movable frame 3, that is, by driving the slider on one side of the bottom of the movable frame 3 to move along the slide rail, the slider on the other side moves accordingly, thereby driving the angle of the movable frame 3 to change.
[0047] In specific implementation, unlike in Embodiment 1, the movable frame 3 adjusts its angle by sliding along the arc-shaped track.
[0048] In the above embodiments, a PLC controller may also be provided. The PLC controller is electrically connected to the swing drive mechanism 4 and can control and adjust the timing and rotation angle of its drive mechanism 3.
[0049] This utility model also provides a fireworks production equipment, including the above-mentioned irregularly shaped fireworks bundle binding device, and may also include a conveyor belt, positioning clamps, etc., to transport the fan-shaped fireworks to the middle position of the movable frame 3 and fix them.
[0050] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.
Claims
1. A device for binding irregularly shaped fireworks containers, comprising a tape wrapping mechanism, characterized in that: The tape winding mechanism is installed on the movable frame (3), and the movable frame (3) is connected to the swing drive mechanism (4). The swing drive mechanism (4) is used to drive the movable frame (3) to swing so that when the tape on the tape winding mechanism moves to the straight edge of the fan-shaped firework, the tape is tightly wrapped against the surface of the straight edge.
2. The irregularly shaped fireworks bundle binding device as described in claim 1, characterized in that: The tape winding mechanism includes a circular frame (1) on which a tape mechanism (2) is mounted.
3. The irregularly shaped fireworks bundle binding device as described in claim 1, characterized in that: The movable frame (3) is provided with a lower frame (5) at its bottom, and the movable frame (3) is installed on the lower frame (5).
4. The irregularly shaped fireworks bundle binding device as described in claim 3, characterized in that: The bottom of the movable frame (3) is provided with a rotating shaft (31), and the swing drive mechanism (4) is connected to the rotating shaft (31) for driving the rotating shaft (31) to rotate.
5. The irregularly shaped fireworks bundle binding device as described in claim 4, characterized in that: A circular track (51) is provided on the lower frame (5), and the movable frame (3) is installed on the circular track (51) and slides and rotates along the circular track (51).
6. The irregularly shaped fireworks bundle binding device as described in claim 3, characterized in that: Both ends of the bottom of the movable frame (3) are provided with rocker arms (6). The rocker arms (6) include a fixed end that is rotatably installed with the lower frame (5) and a swing end that is rotatably connected with the movable frame (3). The rocker arms (6) and the movable frame (3) form a double rocker mechanism. The swing drive mechanism (4) is connected to the rocker arms (6) for driving the rocker arms (6) to swing.
7. The irregularly shaped fireworks bundle binding device as described in claim 3, characterized in that: The lower frame (5) is provided with an arc-shaped track. The movable frame (3) is slidably installed on the arc-shaped track and rotates at an angle when sliding along the arc-shaped track. The swing drive mechanism (4) is connected to the movable frame (3) and drives the movable frame (3) to slide along the arc-shaped track.
8. A fireworks production equipment, characterized in that... The invention includes a binding device for irregularly shaped fireworks containers as described in any one of claims 1-7.