Firework cylinder pressing device

Abstract

This utility model provides a firework tube pressing device, belonging to the field of fireworks production technology. It includes an insert rod and a ball head threadedly connected to the top of the insert rod, and further includes a guiding mechanism. The guiding mechanism includes a conical guide head installed at the bottom of the insert rod. During pressing, the conical guide head guides the insert rod into the firework tube. By setting the conical guide head, during pressing, because the bottom of the conical guide head is conical and its diameter is much smaller than the inner diameter of the firework tube, the conical guide head can be easily inserted into the firework tube without spending time aligning the insert rod and the firework tube. In mass production, this saves a significant amount of time and makes operation more convenient. The groove design ensures the surface of the conical guide head is smooth, reducing interference with its guiding effect. The L-shaped spring piece fixed in the groove also increases the connection stability of the L-shaped spring piece, preventing it from detaching from the conical guide head.

Description

Technical Field

[0001] This utility model relates to the field of fireworks production technology, and in particular to a fireworks tube pressing device. Background Technology

[0002] During the production of fireworks, the finished fireworks tubes are filled with sealing mud and then compacted. Next, a spacer is placed on top of the fireworks tube by hand. The spacer is pressed into the fireworks tube by a round rod and is positioned above the sealing mud. Gunpowder is then filled on top of the spacer. The spacer serves to isolate the gunpowder from the sealing mud, preventing the fireworks from getting damp when not in use.

[0003] During the process of pressing the spacer into the firework tube with a round rod, since the diameter of the round rod is only slightly smaller than the inner diameter of the firework tube, the bottom of the round rod needs to be aligned with the firework tube when it is inserted into the firework tube in order to press the spacer into the firework tube. However, firework tubes are produced in large quantities, and each alignment of the round rod takes a certain amount of time. Over a long period of use, this will waste a lot of time. Therefore, this application provides a firework tube pressing device to meet the needs. Utility Model Content

[0004] This utility model provides a firework tube pressing device to solve the problem that the round rod requires a certain amount of time to align each time, which wastes a lot of time if used for a long time.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] A firework tube pressing device includes a rod and a ball head threadedly connected to the top of the rod, and further includes:

[0007] The guiding mechanism includes a conical guide head installed at the bottom end of the insert rod. During pressing, the conical guide head is used to guide the insert rod into the firework tube.

[0008] Preferably, a screw is fixed to the top of the tapered guide head, and the tapered guide head is threadedly connected to the bottom of the insertion rod via the screw.

[0009] Preferably, the surface of the tapered guide head is provided with a disassembly hole, and the surface of the insertion rod is provided with a disassembly plane. When disassembling and installing the tapered guide head, the disassembly hole is used to insert a screwdriver, and the disassembly plane is used to insert a wrench.

[0010] Preferably, a plurality of L-shaped spring pieces are fixed on the surface of the conical guide head. The plurality of L-shaped spring pieces are arranged in a circumferential array about the axis of the conical guide head. The bottom of the horizontal part of the L-shaped spring piece is in the same plane as the bottom of the conical guide head. The horizontal part of the L-shaped spring piece is perpendicular to the axis of the conical guide head. The circumferential surface of the end of the horizontal part of the L-shaped spring piece is flush with the circumferential surface of the insertion rod.

[0011] Preferably, the surface of the conical guide head is provided with a plurality of grooves, and the L-shaped spring sheet is fixed in the grooves.

[0012] Preferably, the L-shaped spring sheet has extensions integrally formed on both sides, and the extensions are located at the end of the horizontal part of the L-shaped spring sheet away from the conical guide head.

[0013] Preferably, a connector is fixed between adjacent extensions, and the connector is a rubber component.

[0014] Preferably, a guide piece is fixed at the corner formed by the extension and the L-shaped spring piece, and the horizontal part of the L-shaped spring piece, the extension, and the surface of the guide piece are all covered with a protective layer, which is a nylon layer.

[0015] Compared with the prior art, this utility model has at least the following beneficial effects:

[0016] In the above solution, by setting a conical guide head, when pressing the material, since the bottom of the conical guide head is conical and the diameter of the bottom is much smaller than the inner diameter of the firework tube, the conical guide head can be easily inserted into the firework tube without spending time aligning the insert rod with the firework tube. In mass production, this can save a lot of time and is also more convenient during operation.

[0017] By setting up a screw, a disassembly plane, and a disassembly hole, the tapered guide head can be easily installed and removed by inserting a screwdriver into the disassembly hole, placing a wrench on the surface of the disassembly plane, and then turning the screwdriver. Alternatively, the tapered guide head can be stably installed at the bottom of the insert rod. The tapered guide head is fixed by a screw, making installation and removal of the tapered guide head very convenient.

[0018] By setting L-shaped springs, when the conical guide head is inserted into the firework tube, the horizontal part of the L-shaped spring is pressed against the inclined surface of the conical guide head, preventing the L-shaped spring from affecting the guiding effect of the conical guide head. When the conical guide head is fully inserted into the firework tube, the surface of the insertion rod is in contact with the inner wall of the firework tube. At this time, the pressed L-shaped spring rebounds, and the bottom of several L-shaped springs forms a pressing surface. The pressing surface and the bottom of the conical guide head together push the partition downward to fit against the top of the sealing mud. Through the joint pressing of several L-shaped springs, the partition is prevented from twisting during the downward movement, so that the partition can fit completely against the surface of the sealing mud, ensuring the integrity of the partition function.

[0019] By setting a groove, the L-shaped spring is fixed in the groove, preventing the L-shaped spring from protruding from the conical guide head. This ensures that the surface of the conical guide head is smooth and reduces the impact on the guiding effect of the conical guide head. Secondly, fixing the L-shaped spring in the groove can also increase the connection stability of the L-shaped spring and prevent the L-shaped spring from detaching from the conical guide head.

[0020] By setting an extension, the contact area between the L-shaped spring and the spacer is increased, preventing the spacer from twisting and further ensuring that the spacer can be stably attached to the surface of the sealing mud.

[0021] By setting a guide plate, when the conical guide head is inserted into the firework tube, the L-shaped spring and the extension may twist, and the corner of the L-shaped spring and the extension may get caught on the top of the firework tube, causing the conical guide head to get stuck when it is inserted into the firework tube. At this time, the guide plate can reduce the L-shaped spring and the extension from getting stuck on the top of the firework tube, ensuring smooth operation.

[0022] By setting up connectors, the connection strength between adjacent extensions is improved, further reducing the twisting of the L-shaped spring and extensions, ensuring smooth operation once again. Moreover, when the L-shaped spring is bent, the rubber connectors can be stretched, preventing the connectors from affecting the normal use of the L-shaped spring and extensions.

[0023] By setting a protective layer, made of nylon, the protective layer can reduce friction between the L-shaped spring, the extension, and the guide plate, preventing jamming between them and the firework tube and improving operational smoothness. Secondly, the protective layer can prevent the edge of the guide plate from cutting the firework tube, thus protecting the firework tube. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the guiding mechanism structure of this utility model;

[0026] Figure 3 This is a cross-sectional view of the screw section of this utility model;

[0027] Figure 4 This is a schematic diagram of the structure of the conical guide head of this utility model;

[0028] Figure 5 This is a schematic diagram of the groove structure of this utility model.

[0029] Figure 6 This is a schematic diagram of the protective layer structure of this utility model.

[0030] In the diagram: 1. Insert rod; 2. Ball head; 3. Guide mechanism; 4. Conical guide head; 5. Screw; 6. Disassembly plane; 7. Disassembly hole; 8. Groove; 9. L-shaped spring; 10. Extension; 11. Guide plate; 12. Connector; 13. Protective layer.

[0031] As shown in the figure, specific structures and devices are marked in the figure to clearly illustrate the structure of the embodiments of this utility model. However, this is only for illustrative purposes and is not intended to limit this utility model to the specific structure, device and environment. According to specific needs, those skilled in the art can adjust or modify these devices and environments, and such adjustments or modifications are still included in the scope of the appended claims. Detailed Implementation

[0032] The following is a detailed description of a fireworks tube pressing device provided by this utility model, with reference to the accompanying drawings and specific embodiments. It should be noted that, to make the embodiments more detailed, the following embodiments are the best and preferred embodiments; for some known technologies, those skilled in the art can also use other alternative methods to implement the invention. Furthermore, the accompanying drawings are only for more specific description of the embodiments and are not intended to specifically limit this utility model.

[0033] like Figures 1-5 As shown, an embodiment of this utility model provides a firework tube pressing device, including a rod 1 and a ball head 2 threadedly connected to the top of the rod 1, and further including:

[0034] The guiding mechanism 3 includes a conical guide head 4 installed at the bottom of the insert rod 1. During pressing, the conical guide head 4 guides the insert rod 1 to be inserted into the firework tube. The conical structure of the bottom diameter of the conical guide head 4 is much smaller than the inner diameter of the firework tube, so that the insert rod 1 can be easily inserted into the firework tube without spending time aligning the insert rod 1 with the firework tube. This saves a lot of time in mass production and makes the operation more convenient. The ball head 2 makes it easy for the operator to hold and apply force, and facilitates the control of the insertion and removal of the insert rod 1.

[0035] like Figure 3 and Figure 4 As shown in this embodiment, a screw 5 is fixed to the top of the conical guide head 4. The conical guide head 4 is threaded to the bottom of the insertion rod 1 through the screw 5. The screw 5 enables the conical guide head 4 and the insertion rod 1 to be detachably connected, which facilitates the replacement or maintenance of the conical guide head 4 in the future and ensures the long-term stable use of the device.

[0036] like Figures 2-4 As shown in this embodiment, the surface of the tapered guide head 4 is provided with a disassembly hole 7, and the surface of the insertion rod 1 is provided with a disassembly plane 6. When disassembling and installing the tapered guide head 4, the disassembly hole 7 is used to insert a screwdriver, and the disassembly plane 6 is used to insert a wrench. When installing and disassembling the tapered guide head 4, the screwdriver is inserted into the disassembly hole 7 and the wrench is inserted into the disassembly plane 6. Rotating the screwdriver can easily disassemble or stably install the tapered guide head 4, reducing the difficulty of operation and improving the efficiency of disassembly and assembly.

[0037] like Figures 2-4As shown in this embodiment, a plurality of L-shaped spring pieces 9 are fixed on the surface of the conical guide head 4. The plurality of L-shaped spring pieces 9 are arranged in a circumferential array about the axis of the conical guide head 4. The bottom of the horizontal part of the L-shaped spring piece 9 is in the same plane as the bottom of the conical guide head 4. The horizontal part of the L-shaped spring piece 9 is perpendicular to the axis of the conical guide head 4. The circumferential surface of the end of the horizontal part of the L-shaped spring piece 9 is flush with the circumferential surface of the insertion rod 1. When the conical guide head 4 is inserted into the firework tube, the horizontal part of the L-shaped spring piece 9 is squeezed on the inclined surface of the conical guide head 4, which does not affect the guiding effect. When the conical guide head 4 is fully inserted into the firework tube and the surface of the insertion rod 1 is in contact with the inner wall of the firework tube, the L-shaped spring piece 9 rebounds. The bottom of the plurality of L-shaped spring pieces 9 forms a pressing surface, which, together with the bottom of the conical guide head 4, pushes the partition downward to fit against the top of the sealing mud, so as to avoid the partition from twisting when it moves and ensure the integrity of the partition function.

[0038] like Figures 2-5 As shown in this embodiment, the surface of the conical guide head 4 is provided with a plurality of grooves 8, and the L-shaped spring piece 9 is fixed in the groove 8. The groove 8 prevents the L-shaped spring piece 9 from protruding from the conical guide head 4, ensuring that the surface of the conical guide head 4 is smooth, reducing the impact on the guiding effect, and at the same time increasing the connection stability between the L-shaped spring piece 9 and the conical guide head 4, preventing the L-shaped spring piece 9 from detaching.

[0039] like Figure 4 As shown in this embodiment, the L-shaped spring sheet 9 has an extension portion 10 integrally formed on both sides. The extension portion 10 is located at the end of the horizontal part of the L-shaped spring sheet 9 away from the conical guide head 4. The extension portion 10 increases the contact area between the L-shaped spring sheet 9 and the spacer, further avoiding the spacer from twisting and ensuring that the spacer is stably attached to the sealing mud surface.

[0040] like Figures 2-4 As shown, in this embodiment, a connector 12 is fixed between adjacent extensions 10. The connector 12 is a rubber component. The connector 12 improves the connection strength between adjacent extensions 10, reduces the twisting of the L-shaped spring 9 and the extension 10, ensures smooth operation, and the rubber connector 12 can be stretched when the L-shaped spring 9 is bent, without affecting the normal use of the L-shaped spring 9 and the extension 10.

[0041] like Figure 1 , Figure 2 and Figure 6As shown in this embodiment, a guide plate 11 is fixed at the corner formed by the extension 10 and the L-shaped spring 9. The horizontal part of the L-shaped spring 9, the extension 10, and the surface of the guide plate 11 are all covered with a protective layer 13, which is a nylon layer. When the conical guide head 4 is inserted into the firework tube, the guide plate 11 can reduce the situation where the L-shaped spring 9 and the extension 10 get stuck at the top of the firework tube, ensuring smooth insertion. The nylon protective layer 13 can reduce the friction between the surfaces of the L-shaped spring 9, the extension 10, and the guide plate 11, preventing them from getting stuck in the firework tube, and at the same time preventing the edge of the guide plate 11 from cutting the firework tube, thus protecting the firework tube.

[0042] Working principle: Align the screw 5 at the top of the conical guide head 4 with the threaded hole at the bottom of the insert rod 1, insert a screwdriver into the disassembly hole 7 on the surface of the conical guide head 4, insert a wrench into the disassembly plane 6 on the surface of the insert rod 1, and rotate the screwdriver to make the screw 5 threadedly connected to the insert rod 1 until the conical guide head 4 is firmly fixed.

[0043] Holding the ball head 2 at the top of the insertion rod 1, align the conical guide head 4 with the opening of the firework tube, and use the conical structure of the conical guide head 4 to guide the insertion rod 1 into the firework tube. During the insertion process, if the L-shaped spring 9 and the extension 10 twist and tend to get stuck, the guide piece 11 at the corner of the L-shaped spring 9 and the extension 10 will play a guiding role. The guide piece 11 wraps around the surface of the guide piece 11, which can prevent it from getting stuck at the top of the firework tube and at the same time prevent the guide piece 11 from cutting the top of the firework tube.

[0044] Continue pushing the insert rod 1 downwards until the conical guide head 4 is fully inserted into the firework tube. At this time, the surface of the insert rod 1 is in contact with the inner wall of the firework tube. The L-shaped spring 9, which has been squeezed, rebounds after losing its compression. Its horizontal part and extension 10 unfold. The connector 12 between adjacent extensions 10 keeps the extension 10 stable. The protective layer 13 of the horizontal part of the L-shaped spring 9 and the extension 10 contacts the partition, forming a compression surface. Together with the bottom of the conical guide head 4, it pushes the partition downwards to prevent the partition from twisting and to make it completely fit the top of the sealing mud.

[0045] After the partition plate is attached to the sealing mud, the pressing operation is completed. Pull the ball head 2 upward to drive the insertion rod 1 and the conical guide head 4 to be taken out from the firework tube. During the removal process, the guide plate 11 assists in the smooth removal, and the protective layer 13 prevents scratches on the inner wall of the firework tube.

[0046] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A firework tube pressing device, comprising a rod (1) and a ball head (2) threadedly connected to the top of the rod (1), characterized in that, Also includes: The guiding mechanism (3) includes a conical guide head (4) installed at the bottom of the insert rod (1). When pressing material, the conical guide head (4) is used to guide the insert rod (1) to be inserted into the firework tube.

2. The firework cylinder pressing device according to claim 1, characterized in that, The top of the conical guide head (4) is fixed with a screw (5), and the conical guide head (4) is threadedly connected to the bottom of the insert rod (1) through the screw (5).

3. The fireworks tube pressing device according to claim 2, characterized in that, The tapered guide head (4) has a disassembly hole (7) on its surface and the insertion rod (1) has a disassembly plane (6) on its surface. When disassembling and installing the tapered guide head (4), the disassembly hole (7) is used to insert a screwdriver and the disassembly plane (6) is used to insert a wrench.

4. The fireworks tube pressing device according to claim 1, characterized in that, The surface of the conical guide head (4) is fixed with a number of L-shaped spring pieces (9). The number of L-shaped spring pieces (9) are arranged in a circumferential array about the axis of the conical guide head (4). The bottom of the horizontal part of the L-shaped spring piece (9) is in the same plane as the bottom of the conical guide head (4). The horizontal part of the L-shaped spring piece (9) is perpendicular to the axis of the conical guide head (4). The circumferential surface of the end of the horizontal part of the L-shaped spring piece (9) is flush with the circumferential surface of the insertion rod (1).

5. The firework tube pressing device according to claim 4, characterized in that, The surface of the conical guide head (4) is provided with several grooves (8), and the L-shaped spring piece (9) is fixed in the groove (8).

6. The firework cylinder pressing device according to claim 4, characterized in that, The L-shaped spring (9) has an extension (10) integrally formed on both sides, and the extension (10) is located at the end of the horizontal part of the L-shaped spring (9) away from the conical guide head (4).

7. The fireworks tube pressing device according to claim 6, characterized in that, A connector (12) is fixed between adjacent extensions (10), and the connector (12) is a rubber part.

8. The firework cylinder pressing device according to claim 7, characterized in that A guide plate (11) is fixed at the corner formed by the extension (10) and the L-shaped spring (9). The horizontal part of the L-shaped spring (9), the extension (10) and the surface of the guide plate (11) are all covered with a protective layer (13), which is a nylon layer.

Images