Moulding inner cylinder forming device and firework machine

Abstract

The utility model provides a kind of moulding device of mould pressing inner cylinder, for fireworks machinery, including support, movable mould is equipped on the support, several die holes of regular arrangement are equipped in the mould, one mould pressing inner cylinder can be placed in each die hole;The moulding device of mould pressing inner cylinder further includes lift plate that can move up and down, several ejector pin holes are equipped on the lift plate;The moulding device of mould pressing inner cylinder further includes ejector pin plate that can move up and down, the ejector pin plate is placed on the lift plate, several ejector pins are equipped on the ejector pin plate, and the position and quantity of the ejector pin and the ejector pin hole one-to-one correspondence, when the ejector pin plate moves upwards, the ejector pin is placed in the ejector pin hole, and the other end of the ejector pin is sleeved in the mould pressing inner cylinder.Compared with similar device of prior art structure, it has the advantages of high degree of automation, automatic forming, high production efficiency and low production cost.In addition, the utility model further provides a kind of fireworks machinery.

Description

Technical Field

[0001] This utility model relates to the field of fireworks machinery, and in particular to a molding inner cylinder forming device and fireworks machinery. Background Technology

[0002] In recent years, with the continuous development of technology, there are more and more types of fireworks, adding a festive touch to various celebratory events.

[0003] Fireworks come in many varieties. One step in their production involves arranging and bundling several molding cylinders into a fixed shape, such as a regular hexagonal disc, before moving on to the next stage. However, because the two ends of the molding cylinder have different weights and one end is closed, orderly operation on the production line is difficult. Therefore, ensuring they are formed as required has become a technical challenge for those skilled in the art. Manual forming and bundling is not only labor-intensive and costly, but also inefficient, making it unsuitable for current requirements.

[0004] In summary, how to provide an automated molding cylinder forming device with high production efficiency and low production cost, as well as fireworks machinery including this molding cylinder forming device, has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a molding cylinder forming device that can automatically form cylinders, has high production efficiency and low production cost, and fireworks machinery including this molding cylinder forming device.

[0006] The solution of this utility model is implemented as follows: This utility model proposes a molding inner cylinder forming device for fireworks machinery, including a support frame, on which a movable mold is provided. The mold has a plurality of regularly arranged mold holes, each of which can hold a molding inner cylinder. The molding inner cylinder forming device also includes a vertically movable lifting plate, which has a plurality of ejector pin holes. The molding inner cylinder forming device also includes a vertically movable ejector plate, which is placed on the lifting plate and has a plurality of ejector pins. The position and number of the ejector pins correspond one-to-one with the ejector pin holes. When the ejector plate moves upward, the ejector pins are placed in the ejector pin holes, and the other end of the ejector pins is sleeved inside the molding inner cylinder. The molding inner cylinder is pre-formed into a predetermined shape by the mold and then conveyed to the ejector plate by the mold. The ejector pins on the ejector plate further fix and shape the molding inner cylinder. Compared with similar devices with existing structures, it has the advantages of high automation, automatic forming capability, high production efficiency, and low production cost.

[0007] Another technical solution of this utility model is that, based on the above, the molding inner cylinder forming device further includes a number of adjacently arranged closing forks. When the number of closing forks close, they can be squeezed on the periphery of the molding inner cylinder to eliminate the gap between the molding inner cylinders.

[0008] Another technical solution of this utility model is that, based on the above, the closing fork includes a first closing fork and a second closing fork that can move synchronously and have the same structure. One end of the first closing fork and one end of the second closing fork are provided with a fork-shaped plate, and the first closing fork and the second closing fork are arranged crosswise through the fork-shaped plates.

[0009] Another technical solution of this utility model is that, based on the above, the closing fork further includes a third closing fork that can operate synchronously with the first closing fork and the second closing fork and has the same structure, and the two ends of the third closing fork are respectively arranged to cross the other ends of the first closing fork and the second closing fork.

[0010] Another technical solution of this utility model is that, based on the above, the molding inner cylinder forming device further includes several movable closing rings, which are disposed on the support and can be opened or closed on the support.

[0011] Another technical solution of this utility model is that, based on the above, the closing ring includes a first closing ring, a second closing ring, and a third closing ring arranged adjacent to each other, and the first closing fork, the second closing fork, and the third closing fork are respectively detachably fixed on the first closing ring, the second closing ring, and the third closing ring.

[0012] Another technical solution of this utility model is that, based on the above, the molding inner cylinder forming device further includes a closing cylinder, the closing cylinder is disposed on the bracket, and one end of the closing cylinder is connected to the first closing ring, the second closing ring and the third closing ring respectively. When the closing cylinder extends or retracts, it drives the first closing ring, the second closing ring and the third closing ring to open or close.

[0013] Another technical solution of this utility model is that, based on the above, the molding inner cylinder forming device further includes a lifting cylinder, the lifting cylinder is disposed on the bracket, and the other end of the lifting cylinder is connected to the ejector plate. When the lifting cylinder extends or retracts, it drives the ejector plate to move up and down.

[0014] Another technical solution of this utility model is that, based on the above, a number of ejector pins and ejector pin holes are distributed in a hexagonal shape, and when the ejector pins are raised, all the ejector pins are placed in the outermost cylinder hole of the molding inner cylinder.

[0015] On the other hand, this utility model also proposes a fireworks machinery, including a molding inner cylinder forming device, wherein the molding inner cylinder forming device is the molding inner cylinder forming device as described above. Attached Figure Description

[0016] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of this utility model. The illustrative embodiments of this utility model and their descriptions are used to explain this utility model and do not constitute an improper limitation of this utility model.

[0017] Figure 1 This is a schematic diagram of the structure of a molding inner cylinder forming device according to the present invention; Figure 2 for Figure 1 A structural diagram excluding the platform plate section; Figure 3 for Figure 1 A schematic diagram of the structure after the middle lifting platform has descended; Figure 4 for Figure 3 A schematic diagram of the structure after the middle and forks are closed; Figure 5 for Figure 4 A schematic diagram of the structure when the lifting cylinder extends.

[0018] The correspondence between the reference numerals in the attached figures is as follows: 1. Platform plate 2. Mold 3. First closing fork 4. Lifting platform 5. Lifting plate 6. Lifting cylinder 7. Centering bearing; 8. First closing ring; 9. Lifting cylinder 10 Ejector plate 11 Closing cylinder 12 Ejector pin 13 Mold hole 14 Second closing fork 15 Third closing fork 16 Second closing ring 17 Third closing ring 18 Bracket 19 pin holes Detailed Implementation

[0019] The present invention will now be described in detail with reference to the accompanying drawings. This description is merely illustrative and explanatory, and should not be construed as limiting the scope of protection of the present invention. Furthermore, those skilled in the art can combine the features in the embodiments described herein and in different embodiments according to the description in this document.

[0020] The embodiments of this utility model are as follows, please refer to them. Figures 1 to 5The molding inner cylinder forming device shown is used in fireworks machinery. Specifically, it includes a support 18, on which a mold 2 that can move left and right is mounted. The mold 2 has several regularly arranged mold holes 13, each capable of holding a molding inner cylinder. It should be noted that the mold holes 13 can be arranged in hexagonal, circular, or other shapes as needed. The molding inner cylinder forming device also includes a lifting plate 5 that can move up and down, with several ejector pin holes 19. The device also includes an ejector plate 10 that can move up and down, with several ejector pins 12. The position and number of ejector pins 12 correspond one-to-one with the ejector pin holes 19. When the ejector plate 10 moves upward, the ejector pins 12 are placed inside the ejector pin holes 19, and the other end of the ejector pin 12, i.e., the upper end shown in the figure, is fitted inside the molding inner cylinder, thereby fixing the molding inner cylinder into a predetermined shape. This molding inner cylinder forming device uses a mold 2 to pre-shape the molding inner cylinder into a predetermined shape, and then conveys it to the ejector plate 10 via the mold 2. The ejector pins 12 on the ejector plate 10 further fix and shape the molding inner cylinder. Compared with similar devices with existing structures, it has the advantages of high automation, automatic molding, high production efficiency, and low production cost.

[0021] Based on the above embodiments, in another embodiment of the present invention, such as Figures 2 to 5 As shown, the molding inner cylinder forming device also includes several adjacently arranged closing forks. The closing forks can be opened or closed as needed. When several closing forks are closed, the closing forks can press against the outer periphery of the molding inner cylinder, thereby eliminating the gap between the molding inner cylinders and making the molding inner cylinders fit together more closely.

[0022] Based on the above embodiments, in another embodiment of the present invention, such as Figures 2 to 5 As shown, the closing fork includes a first closing fork 3 and a second closing fork 14 that can move synchronously and have the same structure. One end of the first closing fork 3 and one end of the second closing fork 14 are provided with a fork-shaped plate. The first closing fork 3 and the second closing fork 14 are arranged crosswise through the fork-shaped plates, that is, they open or close outward through the fork-shaped plates.

[0023] Based on the above embodiments, in another embodiment of the present invention, such as Figures 2 to 5 As shown, the closing fork also includes a third closing fork 15 that can operate synchronously with the first closing fork 3 and the second closing fork 14 and has the same structure. The two ends of the third closing fork 15 are respectively intersected with the other ends of the first closing fork 3 and the second closing fork 14. Furthermore, the two ends of the third closing fork 15 are also provided with fork-shaped plates, and the third closing fork 15 is intersected with the first closing fork 3 and the second closing fork 14 through the fork-shaped plates.

[0024] Based on the above embodiments, in another embodiment of the present invention, such as Figures 2 to 5As shown, the molding inner cylinder forming device also includes several movable closing rings, with closing forks set on the closing rings. The closing rings are set on the bracket 18 and can be opened or closed on the bracket 18. When they are opened or closed, they drive the closing forks to open or tighten.

[0025] Based on the above embodiments, in another embodiment of the present invention, such as Figures 2 to 5 As shown, the closing ring includes a first closing ring 8, a second closing ring 16, and a third closing ring 17 arranged adjacent to each other. The first closing fork 3, the second closing fork 14, and the third closing fork 15 are detachably fixed on the first closing ring 8, the second closing ring 16, and the third closing ring 17, respectively. When the first closing ring 8, the second closing ring 16, and the third closing ring 17 move, they can respectively drive the first closing fork 3, the second closing fork 14, and the third closing fork 15 to move.

[0026] Based on the above embodiments, in another embodiment of the present invention, such as Figures 2 to 5 As shown, the molding inner cylinder forming device also includes a closing cylinder 11. One end of the closing cylinder 11, i.e. the right end shown in the figure, is fixedly mounted on the bracket 18. The right end of the closing cylinder 11 is connected to the first closing ring 8, the second closing ring 16 and the third closing ring 17 respectively. When the closing cylinder 11 extends or retracts, it can drive the first closing ring 8, the second closing ring 16 and the third closing ring 17 to open or close respectively.

[0027] Based on the above embodiments, in another embodiment of the present invention, such as Figures 2 to 5 As shown, the molding inner cylinder forming device also includes a lifting cylinder 9, which is mounted on the bracket 18. The other end of the lifting cylinder 9 is connected to the upper ejector plate 10 shown in the figure. When the lifting cylinder 9 extends or retracts, it drives the ejector plate 10 to move up and down on the bracket 18, thereby completing the fixing and forming of the molding inner cylinder.

[0028] Based on the above embodiments, in another embodiment of the present invention, such as Figures 2 to 5 As shown, several ejector pins 12 and ejector pin holes 19 are distributed in a hexagonal pattern. When the ejector pins 12 are raised, all ejector pins 12 are placed in the outermost cylinder hole of the molding inner cylinder. Specifically, after the molding inner cylinder is formed, taking a hexagonal inner cylinder cake as an example, all the ejector pins 12 are placed exactly in the outermost molding inner cylinder to prevent the molding inner cylinder from tipping over when the ejector plate 10 is raised. It should be noted that the molding inner cylinder cake can also be equilateral triangle, circular, etc. When the molding inner cylinder cake is equilateral triangle or circular, the distribution of ejector pins 12 and ejector pin holes 19 is also triangular or circular. In addition, the molding inner cylinder forming device also includes a platform plate 1, a lifting platform 4, a lifting cylinder 6, and a centering bearing 7, etc. For details, please refer to existing and improved technologies, which will not be described in detail here.

[0029] This molding inner cylinder forming device uses a mold to pre-shape the molding inner cylinder into a predetermined shape, and then conveys it to the ejector plate 10 via the mold 2. The ejector pins 12 on the ejector plate 10 further fix the molding inner cylinder into shape. Afterwards, the molding inner cylinder is compacted by the first closing ring 8, the second closing ring 16, and the third closing ring 17, and then bundled before proceeding to the next process. Compared with similar existing devices, it has the advantages of high automation, automatic molding, high production efficiency, and low production cost.

[0030] On the other hand, this utility model also proposes a fireworks machinery, including a molding inner cylinder forming device, which is the molding inner cylinder forming device as described above.

[0031] Fireworks machinery with this structure, correspondingly, possesses the advantages of the aforementioned molding inner cylinder forming device.

[0032] 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 molding inner cylinder forming device, used in fireworks machinery, characterized in that, The device includes a support frame, on which a movable mold is mounted. The mold has a number of regularly arranged mold holes, and each mold hole can hold a molded inner cylinder. The molding inner cylinder forming device also includes a lifting plate that can move up and down, and the lifting plate is provided with a number of ejector pin holes; The molding inner cylinder forming device also includes an ejector plate that can move up and down. The ejector plate is placed on the lifting plate. The ejector plate is provided with a plurality of ejector pins, and the position and number of the ejector pins correspond one-to-one with the ejector pin holes. When the ejector plate moves upward, the ejector pins are placed in the ejector pin holes, and the other end of the ejector pins is sleeved inside the molding inner cylinder.

2. The molding inner cylinder forming device according to claim 1, characterized in that, The molding inner cylinder forming device also includes several adjacently arranged closing forks. When the several closing forks are closed, they can be squeezed on the periphery of the molding inner cylinder to eliminate the gap between the molding inner cylinders.

3. The molding inner cylinder forming device according to claim 2, characterized in that, The closing fork includes a first closing fork and a second closing fork that can move synchronously and have the same structure. One end of the first closing fork and one end of the second closing fork are provided with a fork-shaped plate, and the first closing fork and the second closing fork are arranged crosswise through the fork-shaped plates.

4. The molding inner cylinder forming device according to claim 3, characterized in that, The closing fork also includes a third closing fork that can operate synchronously with the first closing fork and the second closing fork and has the same structure. The two ends of the third closing fork are respectively arranged to cross the other ends of the first closing fork and the second closing fork.

5. The molding inner cylinder forming device according to claim 4, characterized in that, The molding inner cylinder forming device also includes several movable closing rings, which are disposed on the support and can be opened or closed on the support.

6. The molding inner cylinder forming apparatus according to claim 5, characterized in that, The closing ring includes a first closing ring, a second closing ring, and a third closing ring arranged adjacent to each other, and the first closing fork, the second closing fork, and the third closing fork are respectively detachably fixed on the first closing ring, the second closing ring, and the third closing ring.

7. The molding inner cylinder forming apparatus according to claim 6, characterized in that, The molding inner cylinder forming device further includes a closing cylinder, which is mounted on the bracket. One end of the closing cylinder is connected to the first closing ring, the second closing ring, and the third closing ring respectively. When the closing cylinder extends or retracts, it drives the first closing ring, the second closing ring, and the third closing ring to open or close.

8. The molding inner cylinder forming apparatus according to claim 7, characterized in that, The molding inner cylinder forming device also includes a lifting cylinder, which is mounted on the bracket. The other end of the lifting cylinder is connected to the ejector plate. When the lifting cylinder extends or retracts, it drives the ejector plate to move up and down.

9. The molding inner cylinder forming apparatus according to claim 8, characterized in that, The ejector pins and ejector pin holes are arranged in a hexagonal pattern. When the ejector pins are raised, all the ejector pins are placed in the outermost cylinder hole of the molding inner cylinder.

10. A fireworks machine, comprising a molding inner cylinder forming device, characterized in that, The molding inner cylinder forming device is the molding inner cylinder forming device according to any one of claims 1 to 9.

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