CN111366042A - Multicolor firework display powder for image-text firework dot matrix emitter and preparation method thereof - Google Patents
Multicolor firework display powder for image-text firework dot matrix emitter and preparation method thereof Download PDFInfo
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- CN111366042A CN111366042A CN202010162822.5A CN202010162822A CN111366042A CN 111366042 A CN111366042 A CN 111366042A CN 202010162822 A CN202010162822 A CN 202010162822A CN 111366042 A CN111366042 A CN 111366042A
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- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
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Abstract
The invention discloses a multicolor firework display powder of an image-text firework dot matrix emitter and a preparation method thereof, and the multicolor firework display powder comprises the multicolor firework display powder which is arranged on the firework emitting powder in the dot matrix emitter, wherein the multicolor firework display powder is provided with a plurality of areas for setting off flames with different colors, and each area is made of firework primary color powder and firework dyeing powder; wherein the firework coloring agent used in each region is capable of generating flames of different colors when burned. The multi-color firework display powder is formed by pressing various different dyeing gunpowder through the forming jig, the process is simple, the manufacture is convenient, batch production can be carried out through the jig, and the volume and the mass ratio of the produced multi-color firework display powder are basically consistent, so that the time of the multi-color firework display powder emitted to high altitude setting off is kept consistent when the multi-color firework display powder is used in an image-text firework lattice structure.
Description
Technical Field
The invention relates to the field of image-text fireworks, in particular to a multicolor firework display powder of an image-text firework lattice emitter and a preparation method thereof.
Background
Fireworks can form colors and patterns when being set off, produce sound effects and are products with visual effects as main. Originally, fireworks are recreational products special for noble luxury and worries about luxury and luxury fighting, and the fireworks are gradually becoming festive gifts after the bright and clear and the new development of firework manufacturing technology. Every spring, sweet-and-sour festival and other important activities need to be put off fireworks to help.
The fireworks in China are various in names and varieties. Among them, the chrysanthemum is the most popular flower type. After the fireworks are injected into the upper air, the five-color continuous light-emitting agent is burnt, then the parachutes which fall with the opening are formed, the fireworks are overlapped, and the night sky is beautiful and reunited to form various beautiful patterns, so that the fireworks and the parachutes become the ornamental target of people in the full moon and fifteen afternoon festival. The cost of such a large instantaneous-vanishing firework is very high. Fireworks in counties and towns are heavyweight and moderate, so that the purpose of viewing is achieved, and the festival atmosphere is pushed to climax. The 'fire tree and honeysuckle flower' is the real photo of the landscape in no night. However, since fireworks capable of forming pictures and texts in the sky are much more expensive than ordinary fireworks on the market, there are few batches of picture and text fireworks for sale before that, and the fireworks are generally reserved by governments or enterprises.
Nowadays, along with the improvement of living standard, the entertainment requirements and the consumption eye sight of people are continuously improved, fireworks are old brand products which extend for thousands of years, are durable, add countless joys and joys to people, evolve for thousands of years, have various kinds of fireworks, derive a plurality of classical products, but along with the development of science and technology, the original mode is basically developed to the top, and is difficult to be inched, and cannot follow the requirements of people, so that the society urgently needs to be higher-grade, better see, can be popularized, and the people consume the novel fireworks products The key point of manufacturing the image-text fireworks is the image-text firework lattice structure body and the dyeing gunpowder block which is assembled in the lattice structure body, the dyeing gunpowder block mainly can generate colored flames when burning, especially multicolor dyeing gunpowder blocks, the manufacturing cost, the number of lattice points contained in unit area, the production efficiency and the reliability of simultaneous emission are realized, only the difficult problems of the lattice structure body and the dyeing gunpowder block are solved, the image-text fireworks can be manufactured with simple and practical structure, the manufacturing is convenient, the mass and high-efficiency production is suitable, the cost is low, the image-text fireworks are suitable for being used in a large scale, and people can use the image-text fireworks.
The invention patent with the application number of CN201310165469.6 is found through retrieval, and discloses a manufacturing method of a split unit adhesive type image-text firework lattice structure body, which comprises a split unit, a lattice body forming jig and a manufacturing method of a lattice structure finished body, wherein the lattice body forming jig is provided with jig plugging holes, the jig plugging holes are distributed in a lattice shape and used for being inserted into the split unit, the manufacturing method of the lattice structure finished body comprises the following steps of presetting the outline shape of the image-text firework after being set off in the step 1, manufacturing a height-limiting lantern ring according to the outline shape in the step 2, placing the lattice body forming jig in the step 3, inserting the split unit and a process plug into the lattice body forming jig in the step 4, sleeving the height-limiting lantern ring in the step 5, compacting by the lattice body forming jig, applying adhesive in the step 6, curing and the like. The method is simple to implement and convenient to manufacture, simplifies the complex lattice structure, is suitable for ultra-large batch production, can greatly reduce the cost of the image-text fireworks, and is the key for the image-text fireworks to enter thousands of households at low cost.
The invention patent with the application number of CN201310165372.5 discloses an assembling method of a unit splicing type image-text firework lattice structure completion body, which comprises an assembling method of splicing units and lattice structure completion bodies, wherein the splicing units are provided with splicing structures which can be connected mutually, the assembling method of the lattice structure completion bodies comprises the following steps of designing and manufacturing a splicing backup plate jig in step 1, abutting a first splicing unit against one corner of the splicing backup plate jig in step 2, respectively splicing a second splicing unit and a third splicing unit on two sides of the first splicing unit in step 3, splicing a new splicing unit on one side, which is not spliced, of each splicing unit in step 4 until the space in the splicing backup plate jig is filled, and flattening and compacting the lattice structure in step 5. The method is simple to implement and convenient to manufacture, the simple splicing units are combined into the complex lattice structure body through splicing, the method can be produced in ultra-large batch, the cost of the image-text fireworks is greatly reduced, and the method is the key that the image-text fireworks can be put into thousands of households at low cost.
The invention patent with the application number of CN201310165467.7 discloses a picture and text firework with a part of preset parts and self-dyed by users and a manufacturing method thereof, and the picture and text firework comprises a picture and text firework carrier, a dyeing article and a method for dyeing and manufacturing the picture and text firework, wherein the picture and text firework carrier is provided with an ascending rocket, a dot matrix structure body, preset picture and text display fireworks, fireworks primary color powder, simultaneous propellant powder and a simultaneous ignition device, the ascending rocket is connected with the dot matrix structure body, and the simultaneous propellant powder, the preset picture and text display fireworks and the fireworks primary color powder are filled in the dot matrix structure body; the dyeing article comprises a dyeing salt solution and a dyeing device, and the method for producing the pictures and texts by dyeing comprises the steps of designing a picture and text sample draft, applying the dyeing salt solution, carrying out permeation coloring on fireworks primary color medicines, removing liquid components, fully drying and the like. The displayed graph part of the firework setting off device is preset, and part of the graph is freely played by the user and is combined randomly, so that the user can experience the fun of participation of the user, the sentiment can be directly expressed, the implementation is simple, the cost is low, and the firework setting off device is suitable for mass production.
The invention with the application number of CN201610139372.1 discloses a firework structure, which comprises an outer box, wherein a ten-smoke-discharging firework setting-off barrel is arranged in the outer box, a main firework ignition fuse is also arranged outside the outer box, the firework setting-off barrel comprises an outer barrel and an inner barrel arranged in the outer barrel, bottom mud is arranged at the bottom of the outer barrel, a black gunpowder layer is arranged above the bottom mud, one end of the black gunpowder layer is connected with the ignition fuse of the setting-off barrel, a fire transfer fuse is arranged at the other end of the black gunpowder layer, a hole penetrating paperboard is arranged on the black gunpowder layer, the inner barrel is arranged on the hole penetrating paperboard, a tail gunpowder layer is arranged at the bottom of the inner barrel above the hole penetrating paperboard, a mud isolating layer is arranged above the tail gunpowder layer, explosive is arranged in the inner barrel above the mud isolating layer, a plurality of bright beads are uniformly arranged in the explosive, and a fire passing fuse is vertically arranged in the inner, the fire-passing fuse is communicated with the explosive and the black fire powder layer. The invention has the advantages of safe setting off and reasonable arrangement.
The invention patent with the application number of CN201310698360.9 discloses a novel combined firework, which comprises an outer cylinder and an inner cylinder, wherein the inner cylinder is arranged in the outer cylinder; the two ends of the outer cylinder are respectively sealed by sealing layers, a gunpowder layer is arranged on the sealing layer at one end in the outer cylinder, a fire passing layer is arranged on the gunpowder layer, and an inner cylinder is arranged between the fire passing layer and the sealing layer at the other end; and an eyelet is arranged at the position of the outer cylinder between the gunpowder layer and the sealing layer, and an ignition lead is inserted into the eyelet. Compared with the prior art, the invention has the following advantages: 1. the flower bunch is layered clearly; 2. unique creation and novel effect.
The invention patent with the application number of CN201110073831.8 discloses a modularized bract-opening medicine for a display shell and a preparation method thereof, the bract-opening medicine contains a nitrocotton component, the interior of the bract-opening medicine is provided with a large number of tiny pores, the shape of the bract-opening medicine is a block, and the size and the shape of the bract-opening medicine are determined according to the diameter and the shape of the shell of the display shell and the burning shape required to be achieved. The preparation method of the modularized bract-opening powder for the display shell comprises the steps of firstly preparing granular microporous firework powder, and then bonding and forming the granular microporous firework powder to prepare a powder block matched with a shell of the display shell. The process of the bonding and molding of the module medicine comprises the following steps: mixing the adhesive, the ignition performance enhancer and the granular microporous firework powder, preparing the mixed material into a medicine block with a specific shape, and finally drying. The modularized bud-opening powder can solve the problems of insufficient combustion of the bud-opening powder or residual powder particles, improve the firing rate of bright beads, greatly reduce smoke generated in the bud-opening process and improve the process safety of the firework product manufacturing process.
The invention patent with the publication number of CN103234394A discloses a method for manufacturing partitioned independent powder charging post-dyeing image-text fireworks, which comprises an image-text firework structure and a post-dyeing image-text firework manufacturing method, wherein the image-text firework structure comprises a dot matrix structure body, primary fireworks color powder is filled in the dot matrix structure body and is connected with a simultaneous launching device, the simultaneous launching device is connected with a simultaneous ignition bin, and simultaneous ignition powder is filled in the simultaneous ignition bin and is connected with an ascending rocket; the manufacturing method of the post-dyeing image-text firework comprises a dyeing salt solution, a dyeing device and a dyeing method, wherein the dyeing method comprises the steps of designing an image-text sample draft, contacting the dyeing salt solution with a firework primary color powder by using the dyeing device, enabling the dyeing salt solution to permeate into the firework primary color powder according to the rule limitation and be mixed into a whole, removing liquid components, fully drying, and displaying the required color of the original firework primary color powder after ignition. The invention has simple implementation and convenient manufacture, does not need to overstock the stock, can dye before leaving a factory, and can also lead a user to freely combine and dye after purchasing.
The patent with the publication number of CN103234396A discloses a method for manufacturing image-text fireworks with a part of preset parts for users to dye by themselves, which comprises an image-text firework carrier, a dyeing article and a method for manufacturing the image-text fireworks, wherein the image-text firework carrier is provided with an ascending rocket, a dot matrix structure body, preset image-text display fireworks, fireworks primary color powder, simultaneous propellant powder and a simultaneous ignition device, the ascending rocket is connected with the dot matrix structure body, and the simultaneous propellant powder, the preset image-text display fireworks and the fireworks primary color powder are filled in the dot matrix structure body; the dyeing article comprises a dyeing salt solution and a dyeing device, and the method for producing the pictures and texts by dyeing comprises the steps of designing a picture and text sample draft, applying the dyeing salt solution, carrying out permeation coloring on fireworks primary color medicines, removing liquid components, fully drying and the like. The displayed graph part of the firework setting off device is preset, and part of the graph is freely played by the user and is combined randomly, so that the user can experience the fun of participation of the user, the sentiment can be directly expressed, the implementation is simple, the cost is low, and the firework setting off device is suitable for mass production.
The utility model discloses a utility model patent that bulletin number is CN201720529917.X discloses a modular picture and text fireworks dot matrix structure, including dot matrix structure completion body, dot matrix structure completion body includes dot matrix components of a whole that can function independently and dot matrix fixed body, dot matrix components of a whole that can function independently is fixed by the dot matrix fixed body, and is a plurality of connect through the hasp between the dot matrix components of a whole that can function independently, the dot matrix components of a whole that can function independently includes first dot matrix components of a whole that can function independently and second dot matrix components of a whole that can function independently, second dot matrix components of a whole that can function independently is located the side of the first dot matrix components of a whole that can function independently of a plurality of combinations, first dot matrix components of a whole that can function independently is provided with the vertical firing hole, the vertical firing hole and/or oblique firing hole are dot matrix form. The utility model discloses implement simply, the preparation is convenient, and is complicated to be simplified with the dot matrix structure body of complicacy, is fit for super large batch production, can reduce picture and text fireworks cost by a wide margin, is that picture and text fireworks low price walks into the key of numerous households.
In summary, it is particularly important to produce the dyed gunpowder block which can satisfy the requirements of the dot matrix structure of the image-text fireworks, and the dyed gunpowder block becomes one of the key technologies which can satisfy the requirements of the public, so that the research on the dyed gunpowder block used by the dot matrix structure of the image-text fireworks is necessary.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a multicolor firework display powder of an image-text firework dot matrix emitter and a preparation method thereof.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a multicolor firework display powder of an image-text firework dot matrix emitter and a preparation method thereof comprise the multicolor firework display powder which is arranged on the firework emitting powder in the dot matrix emitter, wherein the multicolor firework display powder is provided with a plurality of areas for setting off flames with different colors, and each area is made of firework primary color powder and firework dyeing powder; wherein the firework coloring agent used in each area can generate flames with different colors when being burnt; the preparation method of the multicolor firework display powder used by the dot matrix emitter comprises the following steps:
step 1): selecting fireworks primary color medicines and various different fireworks dyeing medicines for standby;
step 2): pouring various different firework dyeing powder and firework basic-color powder into different powder stirrers for mixing and stirring to obtain dyeing powder with different models;
step 3): respectively adding the adhesive into the dyeing powder with different types for mixing and stirring, so that the dyeing powder with different types is flocculent for later use after mixing and stirring;
step 4): manufacturing a forming jig of the multi-color firework display powder;
step 5): putting a block spacing sheet into a forming cavity of the forming jig;
step 6): respectively pouring the standby dyeing powder with different types into each block on the block spacing piece according to a certain mass ratio;
step 7): pressing the dyeing powder in each block of the block spacer by using a block pressing rod on the forming jig so as to preliminarily press and form the dyeing powder in each block;
step 8): taking out the block spacing pieces in the molding cavity, and pressing the dyeing powder in each block in the molding cavity by using a molding pressing rod on a molding jig so as to enable the dyeing powder in each block to be mutually connected together after being pressed to form blocky multicolor powder;
step 9): ejecting the formed multicolor gunpowder out of the forming cavity by using an ejector rod on the forming jig, taking out the multicolor gunpowder, and obtaining the blocky multicolor firework display powder used by the dot matrix emitter after air drying.
Preferably, two or more of the regions are provided. With this solution, the more zones the more colours are burnt.
Preferably, the fireworks base color powder consists of an oxidant and a combustible; wherein the oxidant comprises one or more of chlorate, perchlorate, nitrate, chromate, peroxide or oxide; the combustible material comprises one or more of combustible metal powder, charcoal, sulfur, silicon and silicide and metal or metal sulfide.
Preferably, the pyrotechnic dye includes one or a mixture of more of strontium carbonate, barium nitrate, copper carbonate, copper sulfate, lithium chloride, boron-based acid, sodium chloride, copper nitrate, copper chloride, strontium chloride, potassium chloride, cuprous chloride, lithium acetate, copper acetate, potassium hydroxide, calcium carbonate, glycerol borate, and strontium nitrate.
Preferably, in the step 2, the plurality of different firework dyeing medicines respectively account for 5% -10% of the firework basic color medicines. By adopting the technical scheme, the excitation of visible light with different wavelengths is facilitated during high-temperature combustion.
Preferably, the adhesive in step 3 comprises one of phenolic resin, rosin, shellac, glutinous rice flour, dextrin or oil, wherein the adhesive accounts for 5% -10% of the firework dyeing agent. By adopting the technical scheme, the mechanical strength of the multicolor firework display powder is enhanced, the burning speed of the powder is slowed down, the sensitivity of the powder is reduced, the physical and chemical stability of the powder is improved, and the like.
Preferably, the forming jig in the step 4 comprises a male template and a female template connected with the male template; the male template is provided with a plurality of forming cavities for forming multicolor firework display powder, and the bottom of each forming cavity is provided with an ejector rod connected with the male template; the female template comprises a first female template for installing the block compression bar and a second female template for installing the forming compression bar; and the forming pressing rod on the second female template and the block pressing rod on the first female template correspond to the forming cavities on the male template one by one. By adopting the technical scheme, the uniform batch production is facilitated by utilizing mechanical equipment, so that the volume and the weight of the produced multicolor firework display powder are consistent, and the uniform combustion of the image-text fireworks in high altitude is facilitated.
Preferably, the block spacing pieces in the step 5 are provided with a plurality of block spacing pieces, and the block spacing pieces correspond to the molding cavities on the male template one by one through the brackets; the block isolation sheets are plastic sheets, and each block on each plastic sheet corresponds to each pressure rod on the block pressure rod one by one. By adopting the technical scheme, the block pressing rod is beneficial to pressing each block on the plastic sheet.
Preferably, the lump multi-color gunpowder taken out in the step 9 is circularly dried by hot air with the temperature not exceeding 36 ℃.
Preferably, before or after the drying in the air, the blocky multi-color gunpowder taken out in the step 9 is rolled with a layer of antistatic graphite powder on the surface. By adopting the technical scheme, the static electricity generated in the moving use process of the multicolor firework display powder is reduced, and the use safety of the multicolor firework display powder is improved.
Preferably, the forming cavity, the block spacing sheet, the block pressing rod and the forming pressing rod are all provided with demoulding slopes.
Preferably, the firework color primary medicine is powder or granular firework color primary medicine, and the granular firework color primary medicine is prepared from an oxidant and a combustible through a binding agent.
Preferably, the block compression bar, the forming compression bar and the ejector rod are made of wood materials.
The invention has the beneficial effects that:
1. the multi-color firework display powder is formed by pressing various different dyeing gunpowder through the forming jig, so that the process is simple, the manufacture is convenient, batch production can be carried out through the jig, and the volume and the mass ratio of the produced multi-color firework display powder are basically consistent, so that the time of the multi-color firework display powder emitted to high altitude setting off is kept consistent when the multi-color firework display powder is used in an image-text firework lattice structure;
2. when the volume and the mass ratio of each area of the multicolor firework display powder are consistent, colors with various effects can be displayed simultaneously during combustion; the multicolor firework display powder is pressed into a block shape by the forming jig, so that the firework display powder can be continuously combusted for a long time, and the block multicolor firework display powder is beneficial to improving the use safety;
3. the multicolor firework display powder disclosed by the invention is high in production efficiency, low in cost, simple and convenient in manufacturing process, beneficial to standardized design, capable of reducing the cost of image-text fireworks, and suitable for wide application and popularization, so that the image-text fireworks can meet the requirements of the public; and because the jig is adopted for batch production and manufacture, the proportion of the medicines in each area in the multicolor firework display powder can be ensured to be consistent, and the requirement of mechanized integrated production is met.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention with reference to the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic view of a process for preparing a dye-indicating drug according to the present invention;
FIG. 2 is a schematic view of a multi-color pyrotechnic display in accordance with the present invention;
FIG. 3 is a schematic view of a multi-color fireworks display device according to the present invention loaded in a dot matrix propellant;
FIG. 4 is a schematic structural view of a molding jig according to the present invention
FIG. 5 is a top view of a block spacer according to the present invention;
FIG. 6 is a schematic view of a block spacer according to the present invention installed in a molding cavity;
FIG. 7 is a schematic view of different types of dye powder poured into each block of the block spacer according to the present invention;
FIG. 8 is a drawing showing the dye powder in each block of the block spacer pressed by the block pressing rod according to the present invention;
FIG. 9 is a schematic view of the block spacers of the present invention after they have been removed from the mold cavity;
FIG. 10 is a schematic view of the coloring powder in each block of the pressing molding cavity of the molding press rod according to the present invention;
fig. 11 is a schematic diagram of the ejector pin ejecting multicolor gunpowder related to the invention.
The reference numbers in the figures illustrate: multicolor fireworks display powder 1, area 2, forming jig 3, dot matrix emitter 4, fireworks emitting powder 5, forming cavity 301, block spacing piece 302, block 3021, support 3022, block pressing rod 303, pressing rod 3031, forming pressing rod 304, ejector rod 305, male mold plate 306, female mold plate 307, first female mold plate 3071, second female mold plate 3072, male mold backing plate 308, female mold backing plate 309, guide pillar 310 and guide sleeve 311.
Detailed Description
The invention is further described with reference to the accompanying drawings in which:
referring to fig. 1 to 11, the multicolor firework display powder for the image-text firework dot matrix emitter and the preparation method thereof comprise a multicolor firework display powder 1 which is arranged on a firework emitting powder 5 in a dot matrix emitter 4, wherein the multicolor firework display powder 1 is provided with a plurality of areas 2 for setting off flames with different colors, and each area 2 is made of a firework primary color powder and a firework dyeing powder; wherein, the firework dye used in each area 2 can generate flames with different colors when being burnt; the preparation method of the multicolor firework display powder 1 used by the dot matrix emitter 4 comprises the following steps:
step 1): selecting fireworks primary color medicines and various different fireworks dyeing medicines for standby;
step 2): pouring various different firework dyeing powder and firework basic-color powder into different powder stirrers for mixing and stirring to obtain dyeing powder with different models;
step 3): respectively adding the adhesive into the dyeing powder with different types for mixing and stirring, so that the dyeing powder with different types is flocculent for later use after mixing and stirring;
step 4): manufacturing a forming jig 3 of the multi-color firework display powder 1 as shown in fig. 4;
step 5): a block spacing sheet 302 is put into a molding cavity 301 of the molding jig 3, as shown in fig. 6;
step 6): respectively pouring the different types of dyeing powder to be prepared into each block 3021 on the block spacing piece 302 according to a certain mass ratio, as shown in fig. 7;
step 7): pressing the dyeing powder in each block 3021 of the block spacer 302 by using the block pressing rod 303 on the forming jig 3 to preliminarily press and form the dyeing powder in each block 3021, as shown in fig. 8;
step 8): taking out the block spacers 302 in the molding cavity 301, and pressing the dyeing powder of each block 3021 in the molding cavity 301 by using the molding press rod 304 on the molding jig 3, so that the dyeing powder of each block 3021 are mutually connected to form blocky multi-color powder after being pressed, as shown in fig. 9 and 10;
step 9): the multi-color gunpowder after molding is ejected out of the molding cavity 301 by using the ejector pin 305 on the molding jig 3, and after taking out and air drying, the block-shaped multi-color firework display powder 1 used by the dot matrix emitter 4 is obtained, as shown in fig. 11 and 2.
Preferably, two or more of the regions 2 are provided. With this solution, the more zones the more colours are burnt.
Preferably, the fireworks base color powder consists of an oxidant and a combustible; wherein the oxidant comprises one or more of chlorate, perchlorate, nitrate, chromate, peroxide or oxide; the combustible material comprises one or more of combustible metal powder, charcoal, sulfur, silicon and silicide and metal or metal sulfide.
Preferably, the pyrotechnic dye includes one or a mixture of more of strontium carbonate, barium nitrate, copper carbonate, copper sulfate, lithium chloride, boron-based acid, sodium chloride, copper nitrate, copper chloride, strontium chloride, potassium chloride, cuprous chloride, lithium acetate, copper acetate, potassium hydroxide, calcium carbonate, glycerol borate, and strontium nitrate.
Preferably, in the step 2, the plurality of different firework dyeing medicines respectively account for 5% -10% of the firework basic color medicines. By adopting the technical scheme, the excitation of visible light with different wavelengths is facilitated during high-temperature combustion.
Preferably, the adhesive in step 3 comprises one of phenolic resin, rosin, shellac, glutinous rice flour, dextrin or oil, wherein the adhesive accounts for 5% -10% of the firework dyeing agent. By adopting the technical scheme, the mechanical strength of the multicolor firework display powder is enhanced, the burning speed of the powder is slowed down, the sensitivity of the powder is reduced, the physical and chemical stability of the powder is improved, and the like.
Preferably, the molding jig 3 in the step 4 includes a male mold plate 306 and a female mold plate 307 connected to the male mold plate 306; the male template 306 is provided with a plurality of forming cavities 301 for forming the multicolor firework display powder 1, and the bottom of each forming cavity 301 is provided with a mandril 305 connected with the male template 306; the mother template 307 comprises a first mother template 3071 for installing the block pressing rod 303 and a second mother template 3072 for installing the forming pressing rod 304; the molding press rods 304 on the second female mold plate 3072 and the block press rods 303 on the first female mold plate 3071 correspond to the molding cavities 301 on the male mold plate 306 one by one. By adopting the technical scheme, the uniform batch production is facilitated by utilizing mechanical equipment, so that the volume and the weight of the produced multicolor firework display powder are consistent, and the uniform combustion of the image-text fireworks in high altitude is facilitated.
Preferably, a plurality of block spacers 302 in the step 5 are provided, and a plurality of block spacers 302 correspond to the molding cavities 301 on the male mold 306 one by one through the bracket 3022; the block isolation sheet 302 is configured as a plastic sheet, and each block 3021 on the plastic sheet corresponds to each pressing rod 3031 on the block pressing rod 303 one by one. With this solution, the block pressing rod 303 is facilitated to press each block on the plastic sheet.
Preferably, the lump multi-color gunpowder taken out in the step 9 is circularly dried by hot air with the temperature not exceeding 36 ℃.
Preferably, before or after the drying in the air, the blocky multi-color gunpowder taken out in the step 9 is rolled with a layer of antistatic graphite powder on the surface. By adopting the technical scheme, the static electricity generated in the moving use process of the multicolor firework display powder is reduced, and the use safety of the multicolor firework display powder is improved.
Preferably, the molding cavity 301, the block spacing sheet 302, the block pressing rod 303 and the molding pressing rod 304 are all provided with demolding slopes.
Preferably, the firework color primary medicine is powder or granular firework color primary medicine, and the granular firework color primary medicine is prepared from an oxidant and a combustible through a binding agent.
Preferably, the block pressing rod 303, the forming pressing rod 304 and the top rod 305 are made of wood.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
In actual manufacturing, as shown in fig. 1, firstly, the fireworks primary color chemicals and the fireworks dyeing chemicals which can generate red, green, blue and yellow flames during combustion (the blue fireworks dyeing chemicals are copper chloride, the red fireworks dyeing chemicals are strontium nitrate, the green fireworks dyeing chemicals are the mixture of barium chloride and barium nitrate, and the yellow fireworks dyeing chemicals are sodium nitrate and sodium oxalate) are selected; then, pouring 10 parts by mass of the primary pyrotechnic compositions into four conventional gunpowder stirrers, adding 1 part by mass of red pyrotechnic dyeing compositions, green pyrotechnic dyeing compositions, blue pyrotechnic dyeing compositions and yellow pyrotechnic dyeing compositions into the four conventional gunpowder stirrers, and stirring for 20-30 min by using the gunpowder stirrers to obtain red gunpowder, green gunpowder, blue gunpowder and yellow gunpowder; then continuously adding adhesive accounting for 10-15% of the total mass of the gunpowder into the four gunpowder stirrers to stir for 30-60min, so that the red gunpowder, the green gunpowder, the blue gunpowder and the yellow gunpowder after stirring are flocculent for later use; then putting block spacers into each forming cavity on the male template, as shown in fig. 6; then, the spare red gunpowder, green gunpowder, blue gunpowder and yellow gunpowder are packed into a plurality of blocks separated by the block spacers according to the same quality and sequence, as shown in fig. 7; then, pressing the dyeing powder in each block of the block spacer by using the block pressing rod to preliminarily press and form the dyeing powder in each block, as shown in fig. 8; then, taking out the block spacers in the molding cavity, and compressing the dyeing powder in each block in the molding cavity by using a molding compression bar as shown in fig. 9, so that the dyeing powder in each block is connected with each other after being compressed to form blocky multicolor powder as shown in fig. 10; finally, ejecting the formed multicolor firework powder block out of the forming cavity by using an ejector rod, taking out the multicolor firework powder block as shown in figure 11, and air-drying the multicolor firework powder block to obtain blocky multicolor firework powder for the dot matrix emitter, wherein the blocky multicolor firework powder is shown in figure 2; when burning, red, green, blue and yellow fireworks can be produced. Wherein the pressing time of the block pressing rod is not less than 2 min, and the pressing pressure is not more than 5 MPa; the pressing time of the molding press rod is not less than 2 min, the pressing pressure is not more than 10MPa, and the pressure maintaining time is not less than 5 min.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A multicolor firework display powder for image-text firework dot matrix emitters and a preparation method thereof comprise a multicolor firework display powder (1) arranged on a firework emitting powder (5) in a dot matrix emitter (4), and are characterized in that: the multicolor firework display powder (1) is provided with a plurality of areas (2) for setting off flames with different colors, and each area (2) is made of firework primary color powder and firework dyeing powder; wherein, the firework dye used in each area (2) can generate flames with different colors when burning; the preparation method of the multicolor firework display powder (1) used by the dot matrix emitter (4) comprises the following steps:
step 1): selecting fireworks primary color medicines and various different fireworks dyeing medicines for standby;
step 2): pouring various different firework dyeing powder and firework basic-color powder into different powder stirrers for mixing and stirring to obtain dyeing powder with different models;
step 3): respectively adding the adhesive into the dyeing powder with different types for mixing and stirring, so that the dyeing powder with different types is flocculent for later use after mixing and stirring;
step 4): manufacturing a forming jig (3) of the multicolor firework display powder (1);
step 5): putting a block spacing sheet (302) into a molding cavity (301) of a molding jig (3);
step 6): respectively pouring the standby dyeing powder with different types into each block (3021) on the block spacing piece (302) according to a certain mass ratio;
step 7): pressing the dyeing powder in each block (3021) of the block isolating sheet (302) by using a block pressing rod (303) on the forming jig (3) to preliminarily press and form the dyeing powder in each block (3021);
step 8): taking out the block spacing pieces (302) in the molding cavity (301), and pressing the dyeing powder of each block (3021) in the molding cavity (301) by using the molding pressing rod (304) on the molding jig (3) so that the dyeing powder of each block (3021) are mutually connected to form blocky multicolor powder after being pressed;
step 9): ejecting the molded multicolor gunpowder out of the molding cavity (301) by using an ejector rod (305) on the molding jig (3), taking out, and air-drying to obtain the blocky multicolor firework display powder (1) used by the dot matrix emitter (4).
2. The multi-color firework display powder of the image-text firework lattice emitter and the preparation method thereof as claimed in claim 1, wherein the powder comprises: two or more than two areas (2) are arranged.
3. The multi-color firework display powder of the image-text firework lattice emitter and the preparation method thereof as claimed in claim 1, wherein the powder comprises: the fireworks primary color medicine consists of an oxidant and a combustible; wherein the oxidant comprises one or more of chlorate, perchlorate, nitrate, chromate, peroxide or oxide; the combustible material comprises one or more of combustible metal powder, charcoal, sulfur, silicon and silicide and metal or metal sulfide.
4. The multi-color firework display powder of the image-text firework lattice emitter and the preparation method thereof as claimed in claim 1, wherein the powder comprises: the firework dyeing agent comprises one or a mixture of more of strontium carbonate, barium nitrate, copper carbonate, copper sulfate, lithium chloride, boron acid, sodium chloride, copper nitrate, copper chloride, strontium chloride, potassium chloride, cuprous chloride, lithium acetate, copper acetate, potassium hydroxide, calcium carbonate, glycerol borate and strontium nitrate.
5. The multi-color firework display powder of the image-text firework lattice emitter and the preparation method thereof as claimed in claim 1, wherein the powder comprises: in the step 2, the plurality of different firework dyeing chemicals respectively account for 5% -10% of firework basic-color chemicals.
6. The multi-color firework display powder of the image-text firework lattice emitter and the preparation method thereof as claimed in claim 1, wherein the powder comprises: the adhesive in the step 3 comprises one of phenolic resin, rosin, shellac, glutinous rice flour, dextrin or oil, wherein the adhesive accounts for 5% -10% of the firework dyeing agent.
7. The multi-color firework display powder of the image-text firework lattice emitter and the preparation method thereof as claimed in claim 1, wherein the powder comprises: the forming jig (3) in the step 4 comprises a male template (306) and a female template (307) connected with the male template (306); a plurality of forming cavities (301) for forming the multicolor firework display powder (1) are arranged on the male template (306), and a top rod (305) connected with the male template (306) is arranged at the bottom of each forming cavity (301); the female die plate (307) comprises a first female die plate (3071) provided with the block pressing rod (303) and a second female die plate (3072) provided with the forming pressing rod (304); and the forming press rod (304) on the second female die plate (3072) and the block press rod (303) on the first female die plate (3071) correspond to the forming cavities (301) on the male die plate (306) one by one.
8. The multi-color firework display powder of the image-text firework lattice emitter and the preparation method thereof as claimed in claim 1, wherein the powder comprises: the block spacers (302) in the step 5 are provided with a plurality of blocks, and the block spacers (302) are in one-to-one correspondence with the molding cavities (301) on the male template (306) through supports (3022); the block isolation sheet (302) is arranged as a plastic sheet, and each block (3021) on the plastic sheet corresponds to each pressure rod (3031) on the block pressure rod (303) in a one-to-one mode.
9. The multi-color firework display powder of the image-text firework lattice emitter and the preparation method thereof as claimed in claim 1, wherein the powder comprises: and (3) circularly drying the blocky multicolor gunpowder taken out in the step (9) by adopting hot air with the temperature not exceeding 36 ℃.
10. The multi-color firework display powder of the image-text firework lattice emitter and the preparation method thereof as claimed in claim 1, wherein the powder comprises: before or after the air drying, rolling a layer of antistatic graphite powder on the surface of the blocky multi-color gunpowder taken out in the step 9.
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| CN111253197A (en) * | 2020-03-10 | 2020-06-09 | 陈巧云 | Color-changing firework dyeing block of image-text firework dot matrix emitter and preparation method thereof |
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| CN111366042B (en) | 2022-05-13 |
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