CN104501664B - A kind of fireworks cylinder mould and the equipment of production - Google Patents
A kind of fireworks cylinder mould and the equipment of production Download PDFInfo
- Publication number
- CN104501664B CN104501664B CN201410782569.8A CN201410782569A CN104501664B CN 104501664 B CN104501664 B CN 104501664B CN 201410782569 A CN201410782569 A CN 201410782569A CN 104501664 B CN104501664 B CN 104501664B
- Authority
- CN
- China
- Prior art keywords
- cylinder
- forming cavity
- mould
- raw material
- cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of fireworks cylinder mould and production equipment, this mould includes die frame, upper mould and counterdie, counterdie is provided with the forming cavity for holding raw material, counterdie is provided with and shakes head for sending hyperacoustic ultrasound wave to forming cavity, upper mould includes cope match-plate pattern and the upper mould oil cylinder for driving cope match-plate pattern up and down, described counterdie includes cavity, it is opened in the forming cavity in cavity, it is arranged on the lower bolster in forming cavity and the lower mold oil cylinder for driving lower bolster vertically up and down in forming cavity, cavity is fixed with ultrasound wave shake head.The present invention is by applying dither to the raw material in mould, improve chemical reaction velocity in raw material, improve the compaction rate of product, improve the quality of product, improve the degree of drying of product, improve the intensity of depanning product, so as to more difficult breakage, it is easily portable, reduces the time required for later stage drying or natural drying simultaneously.
Description
Technical field
The present invention relates to a kind of fireworks cylinder mould and production equipment.
Background technology
Traditional firework external cylinder is to make by hand, and main raw material(s) is paper.Its manufacture method is: cut a sheet of paper, gluing, cylinder, deburring, dry, bundle cylinder, end-blocking, boring, inserting lead etc..At present, this traditional production method is still the topmost mode of production of firework external cylinder.It is in that operation is many, working (machining) efficiency is low, the production time is long with the shortcoming of upper type, simultaneously need to expend substantial amounts of paper and glue.
For overcoming the inefficiency of tradition firework external cylinder, row insider develops much new manufacture method:
Application number is: 200710034745.X, patent name is: the Chinese patent application of a kind of fireworks casing, disclose the production method of a kind of fireworks casing, by waste paper, Caulis et Folium Oryzae, phragmites communis, the wheat stalk material with fiber, after soaking and easing back, band pigment are broken into 80-100 order powder slurry, it is added directly in self-control machine, through reaming, extruding (being automatically performed in a machine) operation, produce fireworks casing at the bottom of circular strip, natural drying.This invention is by product one-shot forming, it is not necessary to back cover, and product size precision is high.But in the method forming process, simple by extruded, make the firmness that extruding fireworks cylinder basic end item maintenance is certain, the extrusion time grown must be kept very much, and the moisture of product is more, adopting natural drying, required drying time is also longer, therefore the production cycle is longer, and production efficiency is relatively low.
Application number is: 201310166825.6, patent name is: the Chinese patent application of mechanization hydraulic die high-temperature molding firework external cylinder and manufacturing process thereof discloses the manufacturing process of a kind of mechanization hydraulic die high-temperature molding firework external cylinder, comprises the following steps: the first step: and material: adopt and material machine will add the stirring of proper amount of normal-temperature boiled water with blender after raw material mixing；Second step: high-temperature liquid compression mould molding: according to the first step and the raw material expected, pour in the oil pressure mold cavity of hydraulic press with cutting plate, hydraulic press matched moulds, conduction oil is sent into circulating-heating in die of hydraulic machine by heat-conducting oil furnace simultaneously, making temperature in mould is 120-320 degree, until the outer dry-steam of mould is emerged, mould is opened and is taken out by the product on mould with cutting plate by last hydraulic press.The relative manual production of this manufacturing process, operation is few, can production line balance.But in this manufacturing process forming process, although adopting heat-conducting oil heating mould, accelerate the sizing speed of product, accelerate the evaporation of moisture, decrease the time that the later stage dries, but heat-conducting oil pipes needs to be integrated on mould, cause that mould structure is complicated, and hot environment, cause material thermal expansion, the precision of mould is affected relatively big, is also unfavorable for the mold use life-span.
Application number is: 201210433890.6, patent name is: the Chinese patent application of a kind of firework display cylinder and preparation method thereof discloses a kind of firework display cylinder and preparation method thereof, comprises the steps: the first step: flyash, Calx, Gypsum Fibrosum are levigate, and the component proportioning made by firework display cylinder of sieving takes flyash, Calx, Gypsum Fibrosum and inserts levigate in ball mill together and sieve；Second step: stirring mixing slurry by design firework display cylinder make component proportioning take cement, filamentary fibers, aluminium powder add water together with the flyash after levigate sieving, Calx, Gypsum Fibrosum stir into mixing slurry；3rd step: the mixing slurry being stirred is poured in the die cavity of pre-fixed fireworks cylinder mould by mixing slurry cast；4th step: initial set of getting angry wait for quietly mixing slurry in die cavity insert just support stop up in get angry initial set；5th step: the demoulding, repair the base substrate after cutting clout initial set and slough die cavity, mould, repaiies by firework display cylinder required product standard size and cuts clout；6th step: steam press maintenance puts into still kettle steam press maintenance by repairing the base substrate cut；7th step: product subsurface coat the product after by steam press maintenance cooling after coat surface coating material, namely prepare fireworks firework display cylinder of the present invention.Adopting in the process of this manufacture method, it is necessary to base substrate is put into still kettle steam press maintenance, this operation expends time in longer, and in knockout course, owing to the firmness of part is poor, moisture is more, therefore easily in knockout course, there is the possibility of breakage.
Application number is: 200820052952.8, patent name is: the Chinese patent application of the equipment for producing one-time formed fireworks cylinder discloses a kind of equipment for producing one-time formed fireworks cylinder, this equipment includes frame, driving cylinder, push rod, bobbing machine, oscillating plate, core fixed frame, stripper plate, wherein push rod drives by driving cylinder and moves up and down vertically, oscillating plate is arranged in frame, core fixed frame is fixed on oscillating plate, stripper plate is put into bottom core fixed frame, push rod acts on stripper plate through the base plate of oscillating plate and core fixed frame makes stripper plate can move up the fireworks cylinder ejected in core fixed frame.The whole manufacture process of fireworks cylinder is all completed by this utility model by mechanization, and therefore work efficiency is of a relatively high.But, this equipment is adopted to carry out in the process produced, owing to adopting oscillating plate to drive the vibration of core fixed frame, thus the raw material vibration realized in core fixed frame, the precision of equipment is affected bigger by mechanical vibration frequently, the abrasion of mould is also comparatively serious, affects the demoulding and the die life of mould.Owing to raw material being contaminated with moisture, therefore before fireworks cylinder depanning, need longer being extruded to shape the time, the robustness before guarantee depanning, thus ensureing the product success demoulding, also needing to the long period after depanning for dry products, therefore whole production process, time consumption is longer.
Summary of the invention
One of the object of the invention is to provide a kind of fireworks cylinder mould.This fireworks cylinder mould can reduce raw material molding time in mould, improves depanning quality, and reduces moisture, reduces drying time in later stage, thus reducing the production cycle of product, improves the production efficiency of product.
The two of the purpose of the present invention are to provide a kind of fireworks cylinder and produce equipment.This fireworks cylinder produces equipment in fireworks cylinder production process, can reduce raw material molding time in mould, improving depanning quality, and reduces moisture, reduce drying time in later stage, thus reducing the production cycle of product, improving the production efficiency of product.
This invention address that the problems referred to above be the technical scheme is that
A kind of fireworks cylinder mould, it is characterized in that: mould includes die frame, upper mould and counterdie, counterdie is provided with the forming cavity for holding raw material, counterdie is provided with and shakes head for sending hyperacoustic ultrasound wave to forming cavity, upper mould includes cope match-plate pattern and the upper mould oil cylinder for driving cope match-plate pattern up and down, described counterdie includes cavity, it is opened in the forming cavity in cavity, it is arranged on the lower bolster in forming cavity and the lower mold oil cylinder for driving lower bolster up and down in forming cavity, cavity is fixed with ultrasound wave shake head, the upper surface of lower bolster is fixed with the plug of the launch hole for molding fireworks cylinder, in molding fireworks cylinder process, the porous backing plate for carrying raw material it is provided with in forming cavity, described porous backing plate offers for the plug hole corresponding one by one with plug, porous backing plate is located on plug by above-mentioned plug borehole jack.
As preferably, cavity include by steel plate around interior body part and by steel plate around ectosome part, interior body part is arranged in the part of hollow of ectosome part, in interior body part, the part of hollow is forming cavity, the upper and lower side of forming cavity is respectively provided with opening, being used for installing ultrasound wave every sky part and shake head between ectosome part and interior body part, the ultrasound wave head that shakes is fixed on interior body part, and the top and bottom of interior body part are respectively and fixedly provided with the end plates for closing the hollow space between ectosome part and interior body part.
As preferably, cope match-plate pattern being provided with the pin of the protrusion striped of wire lead slot for molding fireworks cylinder and the fairlead for molding fireworks cylinder.
A kind of fireworks cylinder produces equipment, it is characterized in that: this fireworks cylinder produces equipment and includes feeding device, blanking device, mould, wherein, mould includes die frame, upper mould and counterdie, counterdie is provided with the forming cavity for holding raw material, counterdie is provided with and shakes head for sending hyperacoustic ultrasound wave to forming cavity, upper mould includes cope match-plate pattern and the upper mould oil cylinder for driving cope match-plate pattern up and down, described counterdie includes cavity, it is opened in the forming cavity in cavity, it is arranged on the lower bolster in forming cavity and the lower mold oil cylinder for driving lower bolster up and down in forming cavity, cavity is fixed with ultrasound wave shake head, the upper surface of lower bolster is fixed with the plug of the launch hole for molding fireworks cylinder, in molding fireworks cylinder process, the porous backing plate for carrying raw material it is provided with in forming cavity, described porous backing plate offers for the plug hole corresponding one by one with plug, porous backing plate is located on plug by above-mentioned plug borehole jack.
As preferably, feeding device includes the pusher groove for holding raw material, the push pedal for raw material being pushed to forming cavity upper end open it is provided with in described pusher groove, push pedal is moved back and forth in pusher groove by the first air cylinder driven push pedal, blanking device includes baffle plate, for being delivered to by porous backing plate above forming cavity and from the plate fetched by porous backing plate above forming cavity, described plate is fixed on the lower end of baffle plate, and baffle plate is moved back and forth in pusher groove by the second air cylinder driven baffle plate.
As preferably, cavity include by steel plate around interior body part and by steel plate around ectosome part, interior body part is arranged in the part of hollow of ectosome part, in interior body part, the part of hollow is forming cavity, the upper and lower side of forming cavity is respectively provided with opening, being used for installing ultrasound wave every sky part and shake head between ectosome part and interior body part, the ultrasound wave head that shakes is fixed on interior body part, and the top and bottom of interior body part are respectively and fixedly provided with the end plates for closing the hollow space between ectosome part and interior body part.
As preferably, cope match-plate pattern being provided with the pin of the protrusion striped of wire lead slot for molding fireworks cylinder and the fairlead for molding fireworks cylinder.
As preferably, blanking device also includes the conveyer device for carrying porous backing plate, conveyer device includes carriage and is arranged on the conveying roll of carriage, conveyer device is arranged between the second cylinder and mould, the side of conveyer device is provided with the 3rd cylinder for pushing on conveying roll by porous backing plate, one end of conveyer device is provided with the 4th cylinder for promoting the porous backing plate on conveying roll, be arrangeding in parallel of 3rd cylinder and the second cylinder, the 3rd cylinder and the 4th cylinder are arranged in a mutually vertical manner.
As preferably, being provided with for by the feeding plate in raw material landing to pusher groove of the both sides of pusher groove one end.
The present invention adopts above technical scheme, raw material in mould is applied dither by ultrasound wave, raw material produces dither under hyperacoustic effect, although the amplitude of vibration is only small, but frequency of vibration is significantly high, therefore certain heat can be produced, thus contributing to the moisture that evaporation raw material carries, owing to namely moisture is reduced before depanning, product can realize certain intensity within the relatively short time, therefore the extruded time in mould of product is just decreased, and, owing to moisture is less, the drying process time in later stage also reduces accordingly, thus shortening the production cycle of product；Raw material dither so that raw material not easily with the inwall of mould and the edge parts bonding such as post, the process of product stripping is more smooth and easy, reduces possibility damaged in product stripping process；Raw material dither so that between the composition in raw material, contact increases, and the speed of sclerous reaction is improved, and decreases the molding time of product；Raw material dither so that the mixing of the granule in raw material is more uniform, after molding, the degree of product each several part hardening is more uniform, and product structure is more uniformly stressed, and the intensity of product obtains a degree of raising；It is mingled with air bubble in the feed, it is easy to being dispersed into the bubble that volume is less more under hyperacoustic effect, bubble is easily drained so that product is more closely knit, improves the intensity of product；Abandon in prior art, directly heat mould and conducted heat to the mode of heating of internal raw material by mould, not only simplify mould structure, reduce die manufacturing cost more than 1/6, and, owing to the dither of raw material own produces heat, mould itself without standing high temperature, obtain a degree of raising die life；Owing to mould vibration itself is less, but directly drive the raw material vibration of mould inside, therefore mould will not bring the precise decreasing of mould because of the medium-term and long-term high vibration of prior art, and the phenomenon of die wear aggravation, this method can ensure that mould can have longer service life.
And owing to plug is to be directly anchored on lower bolster, lower bolster is driven by lower mold oil cylinder and makes it up and down, plug rises to top with lower bolster, and insert in the plug hole of porous backing plate, now porous backing plate just can rely on plug to realize location, thus being snapped down in the process bottom forming cavity, will not misplace, displacement, the sidewall of porous backing plate will not be formed with the inwall of forming cavity interferes, such that it is able to be snapped down to the bottom of forming cavity swimmingly, in like manner, in knockout course, porous backing plate rises with cope match-plate pattern, plug moves together with porous backing plate, therefore fireworks cylinder basic end item first departs from forming cavity inwall, after fireworks cylinder basic end item is detached into die cavity, plug departs from porous backing plate again, thus fireworks cylinder basic end item departs from plug, the thus knockout course of fireworks cylinder basic end item and whole mould, owing to have employed the mode of step demoulding, therefore fireworks cylinder basic end item is less with the frictional force of the demoulding of mold members, fireworks cylinder basic end item stress in knockout course is relatively small, therefore not only the demoulding is more laborsaving, and the requirement of strength of fireworks cylinder basic end item is relatively low, the extrusion time in mould can be shortened to a certain extent.
The concrete structure setting that fireworks cylinder produces equipment below is further described below:
It is to realize from pan feeding, molding, the demoulding, depanning to the automated manufacturing process of the overall process of final conveying that fireworks cylinder produces equipment, and therefore feeding device in fireworks cylinder production equipment, blanking device, the arrangement of mould and concrete structure constitute also particularly important also for realizing automation process.
The present invention it is preferred that, the pusher groove of feeding device is by the base plate being arranged on bottom and is fixed on two blocks of shroudings of base plate both sides and constitutes, so that the cross section of pusher groove is Qian font, feeding plate is obliquely installed, and feeding plate can directly be weldingly fixed on shrouding, it is possible to be directly erected at the top of shrouding by support, so, raw material drops down onto after on feeding plate, and raw material can due to action of gravity, dropping down onto in pusher groove along feeding plate.Offering base plate opening on base plate, cavity is arranged on the lower section of base plate opening, and the upper shed of forming cavity coordinates with base plate opening so that from raw material due to gravity from base plate openings fall time, just fall in forming cavity.
The present invention it is preferred that, the effect by plate of the porous backing plate of blanking device, the top of forming cavity it is moved into from conveying roll, the bottom of porous backing plate arranges two slots inserted for plate, the entrance of slot is the structure expanded gradually outwardly, so plate can made can be properly inserted slot, and realize the location to porous backing plate during insertion, at least 2 plates are fixed in the lower end of baffle plate, so can keep the stationarity in porous backing plate motor process.Slot may be used without poroid spliced eye and replaces.
The present invention it is preferred that, second cylinder and the first cylinder be arranged in parallel, so can so that raw material be limited between push pedal and baffle plate, and raw material in forming cavity too much, first cylinder can promote baffle plate reversely to promote redundance away from forming cavity, such that it is able to the use doses needed for control molding, use this structure, convenient and easily controllable.
The present invention it is preferred that, described pusher groove is connected to accumulator tank, described accumulator tank connects with pusher groove, accumulator tank is arranged on the underface of the second cylinder, owing to push pedal promotes raw material, baffle plate blocks raw material, thus just there being part material to run out of from the gap between baffle plate and pusher groove, therefore, in the process that baffle plate is return under the second air cylinder driven, above-mentioned part material can be pushed to accumulator tank by push pedal, accumulator tank is in being downwardly inclined setting, thus when push pedal promotes above-mentioned part material to certain position, this part material can glide due to action of gravity, the bottom of accumulator tank can be arranged to receive the collection box of above-mentioned part material, and the feeding end being again transported to pusher groove realizes the recovery of raw material.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention fireworks cylinder.
Fig. 2 is the structural representation on another visual angle of embodiment of the present invention fireworks cylinder.
Fig. 3 is the structural representation that embodiment of the present invention fireworks cylinder produces equipment.
Fig. 4 is the mounting structure schematic diagram of embodiment of the present invention feeding device, blanking device.
Fig. 5 is that the structure of embodiment of the present invention mould is away from schematic diagram.
Fig. 6 is that embodiment of the present invention ultrasound wave shakes the mounting structure schematic diagram of head.
Fig. 7 is the mounting structure schematic diagram of embodiment of the present invention pusher groove.
Fig. 8 be embodiment of the present invention plate with porous backing plate coordinate principle schematic.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, the present invention is described in further detail, and following example are explanation of the invention and the invention is not limited in following example.
As shown in Figure 1 and Figure 2, in the present embodiment, the structure of the fireworks cylinder of required molding is as follows: fireworks cylinder includes disposable extruded cylinder 41, the launch hole 42 offered upward, is arranged on the wire lead slot 43 bottom cylinder 41 and is arranged on wire lead slot 43 and is communicated to the fairlead 44 of launch hole 42.
The present embodiment prepares the preparation of above-mentioned fireworks tube, comprises the following steps:
A. preparing raw material, described raw material includes Plant fiber, filler and condenses hardened material, and wherein, described condensation hardened material adopts the mixture of air hardening cementitious materials, both hydraulic cementing materials one or both of which；
B. raw material is loaded in mould 1；
C. by 25KHZ-30KHZ ultrasound wave, the raw material in mould 1 being applied dither, simultaneously, upper mould 11 and the counterdie 12 of mould 1 coordinate, and apply the pressure extrusion raw material of 3t-5t, and material extruding is shaped to fireworks cylinder basic end item；
D. fireworks cylinder basic end item is taken out from mould 1.
Heretofore described fireworks cylinder basic end item refers to that the basic curing molding of raw material is fireworks cylinder shape and is not subject to external force after demoulding or is subject to when less external force still to be able to keep shape invariance.
Wherein, described Plant fiber is one or more the mixture in the wood fiber, bamboo fibre, flaxen fiber, cotton fiber, secondary stock, stalk fibre；One or more the mixture that described filler is less than the calcium carbonate of 60 orders, Pulvis Talci, illiteracy are opened up in soil, attapulgite, perlite, flyash, hollow glass micropearl；Described hydraulic cementing materials is one or more mixture of portland cement, aluminate cement, sulphate aluminium cement, fluoroaluminate cement, clinker-free cement；Described air hardening cementitious materials is one or more the mixture in light burnt powder, quick lime, high strength gypsum.
The present embodiment Raw also can adopt the Firework cylinder material in patent documentation CN103232719A.
The advantage of above-mentioned preparation method is: by 25KHZ-30KHZ ultrasound wave, the raw material in mould 1 is applied dither, raw material produces dither under hyperacoustic effect, although the amplitude of vibration is only small, but frequency of vibration is significantly high, therefore certain heat can be produced, thus contributing to the moisture that evaporation raw material carries, owing to namely moisture is reduced before depanning, product can realize certain intensity within the relatively short time, therefore the extruded time in mould of product is just decreased, and, owing to moisture is less, the drying process time in later stage also reduces accordingly, thus shortening the production cycle of product；Raw material dither so that raw material not easily with the inwall of mould and the edge parts bonding such as post, the process of product stripping is more smooth and easy, reduces possibility damaged in product stripping process；Raw material dither so that between the composition in raw material, contact increases, and the speed of sclerous reaction is improved, and decreases the molding time of product；Raw material dither so that the mixing of the granule in raw material is more uniform, after molding, the degree of product each several part hardening is more uniform, product structure, is more uniformly stressed, and the intensity of product obtains a degree of raising；It is mingled with air bubble in the feed, it is easy to being dispersed into the bubble that volume is less more under hyperacoustic effect, bubble is easily drained so that product is more closely knit, improves the intensity of product；Abandon in prior art, directly heat mould and conducted heat to the mode of heating of internal raw material by mould, not only simplify mould structure, reduce die manufacturing cost more than 1/6, and, owing to the dither of raw material own produces heat, mould itself without standing high temperature, obtain a degree of raising die life；Owing to mould vibration itself is less, but directly drive the raw material vibration of mould inside, therefore mould will not bring the phenomenon of the precise decreasing of mould, die wear aggravation because of the medium-term and long-term high vibration of prior art, and this method can ensure that mould can have longer service life.
In order to realize above-mentioned preparation method, namely in order to realize from pan feeding, molding, the demoulding, depanning is to the overall process of final conveying, present embodiments provide a kind of fireworks cylinder and produce equipment, as shown in Figure 3, this fireworks cylinder produces equipment and includes feeding device 2, blanking device 3, mould 1, wherein, such as Fig. 1, Fig. 5, shown in Fig. 6, mould 1 includes die frame 13, upper mould 11 and counterdie 12, counterdie 12 is provided with the forming cavity 122 for holding raw material, counterdie 12 is provided with and shakes 14 for sending hyperacoustic ultrasound wave to forming cavity 122, ultrasound wave shakes and 14 is promoted by supersonic generator (being commonly called as ultrasound wave consumer unit), upper mould 11 includes cope match-plate pattern 111 and the upper mould oil cylinder 112 for driving cope match-plate pattern 111 up and down, described counterdie 12 includes cavity 121, it is opened in the forming cavity 122 in cavity 121, it is arranged on the lower bolster 123 in forming cavity 122 and the lower mold oil cylinder 124 for driving lower bolster 123 up and down in forming cavity 122, cavity 121 include by steel plate around interior body part 1211 and by steel plate around ectosome part 1212, interior body part 1211 is arranged in the part of hollow of ectosome part 1212, in interior body part 1211, the part of hollow is forming cavity 122, forming cavity 122 design has the pattern draft (those skilled in the art can require to select other pattern drafts according to raw material and specific design) of about 5 ‰, the upper and lower side of forming cavity 122 is respectively provided with opening, being used for installing ultrasound wave every sky part and shake 14 between ectosome part 1212 and interior body part 1211, ultrasound wave shakes and 14 is fixed on interior body part 1211, in the present embodiment, interior body part 1211 is in rectangular structure, (in actual applications, need to according to different fireworks cylinders, design corresponding shape), four outer walls of this interior body part 1211 are respectively and fixedly provided with 6 ultrasound wave and shake 14, ultrasound wave shakes and 14 adopts and be welded and fixed, the top and bottom of interior body part 1211 are respectively and fixedly provided with the end plates 1213 for closing the hollow space between ectosome part 1212 and interior body part 1211.The simple in construction of above-mentioned cavity 121, easily manufactured, the thickness of what is more important steel plate is conducive to ultrasound wave to shake a 14 transmission ultrasound wave to interior body part 1211 inside, and ultrasound wave shake 14 be enclosed between ectosome part 1212 and interior body part 1211 every empty part, thus advantageously ensure that ultrasound wave shake 14 safe and stable work.The upper surface of lower bolster 123 is fixed with the plug 125 of the launch hole 42 for molding fireworks cylinder, in molding fireworks cylinder process, the porous backing plate 126 for carrying raw material it is provided with in forming cavity 122, described porous backing plate 126 offers for the plug hole corresponding one by one with plug 125, and porous backing plate 126 is located on plug 125 by above-mentioned plug borehole jack.In order to molding is arranged on the wire lead slot 43 bottom cylinder 41 and is arranged on wire lead slot 43 and is communicated to the fairlead 44 of launch hole 42.Cope match-plate pattern 111 is correspondingly provided with the pin protruding striped and the fairlead 44 for molding fireworks cylinder of the wire lead slot 43 for molding fireworks cylinder.
Equipment is produced by the fireworks cylinder of said structure, above-mentioned fireworks cylinder preparation method can be realized, thus reaching the advantages below that the method can realize: the raw material in mould 1 is applied dither by 20KHZ-30KHZ ultrasound wave, raw material produces dither under hyperacoustic effect, although the amplitude of vibration is only small, but frequency of vibration is significantly high, therefore certain heat can be produced, thus contributing to the moisture that evaporation raw material carries, owing to namely moisture is reduced before depanning, product can realize certain intensity within the relatively short time, therefore the extruded time in mould of product is just decreased, and, owing to moisture is less, the drying process time in later stage also reduces accordingly, thus shortening the production cycle of product；Raw material dither so that raw material not easily with the inwall of mould and the edge parts bonding such as post, the process of product stripping is more smooth and easy, reduces possibility damaged in product stripping process；Raw material dither so that between the composition in raw material, contact increases, and the speed of sclerous reaction is improved, and decreases the molding time of product；Raw material dither so that the mixing of the granule in raw material is more uniform, after molding, the degree of product each several part hardening is more uniform, product structure, is more uniformly stressed, and the intensity of product obtains a degree of raising；It is mingled with air bubble in the feed, it is easy to being dispersed into the bubble that volume is less more under hyperacoustic effect, bubble is easily drained so that product is more closely knit, improves the intensity of product；Abandon in prior art, directly heat mould and conducted heat to the mode of heating of internal raw material by mould, not only simplify mould structure, reduce die manufacturing cost more than 1/6, and, owing to the dither of raw material own produces heat, mould itself without standing high temperature, obtain a degree of raising die life；Owing to mould vibration itself is less, but directly drive the raw material vibration of mould inside, therefore mould will not bring the precise decreasing of mould because of the medium-term and long-term high vibration of prior art, and the phenomenon of die wear aggravation, this method can ensure that mould can have longer service life.
And owing to plug 125 is to be directly anchored on lower bolster 123, lower bolster 123 is driven by lower mold oil cylinder 124 and makes it up and down, in preparation process, plug 125 rises to top with lower bolster 123, and insert in the plug hole of porous backing plate 126, now porous backing plate 126 just can rely on plug 125 to realize location, thus being snapped down in the process bottom forming cavity 122, will not misplace, displacement, the sidewall of porous backing plate 126 will not be formed with the inwall of forming cavity 122 interferes, such that it is able to be snapped down to the bottom of forming cavity 122 swimmingly, in like manner, in knockout course, porous backing plate 126 rises with cope match-plate pattern 111, plug 125 moves together with porous backing plate 126, therefore fireworks cylinder basic end item first departs from forming cavity 122 inwall, it is detached into after die cavity 122 until fireworks cylinder basic end item, plug 125 departs from porous backing plate 126 again, thus fireworks cylinder basic end item and plug 125 depart from, the thus knockout course of fireworks cylinder basic end item and whole mould, owing to have employed the mode of step demoulding, therefore the resistance being subject to during the demoulding of fireworks cylinder basic end item is relatively small, therefore not only the demoulding is more laborsaving, and the requirement of strength of fireworks cylinder basic end item is relatively low, the extrusion time in mould 1 can be shortened to a certain extent.
As shown in Figure 3, Figure 4, feeding device 2 includes the pusher groove 21 for holding raw material, the push pedal 22 for raw material being pushed to forming cavity 122 upper end open it is provided with in described pusher groove 21, push pedal 22 drives push pedal 22 to move back and forth in pusher groove 21 by the first cylinder 23, being provided with for by the feeding plate 24 in raw material landing to pusher groove 21 of the both sides of pusher groove 21 one end.Blanking device 3 includes baffle plate 31, for being delivered to by porous backing plate 126 above forming cavity 122 and from the plate 32 fetched by porous backing plate 126 above forming cavity 122 and the conveyer device being used for carrying porous backing plate 126, described plate 32 is fixed on the lower end of baffle plate 31, and baffle plate 31 drives baffle plate 31 to move back and forth in pusher groove 21 by the second cylinder 33.Second cylinder 33 and the first cylinder 23 be arranged in parallel.So can realize automatically sending raw material to mould by push pedal 22, and can so that raw material be limited between push pedal 22 and baffle plate 31, and raw material in forming cavity 122 too much, first cylinder 23 can promote baffle plate 31 reversely to promote redundance away from forming cavity 122, such that it is able to the use doses needed for control molding, using this structure, the process of pan feeding is convenient and easily controllable.Described pusher groove 21 is connected to accumulator tank 26, described accumulator tank 26 connects with pusher groove 21, accumulator tank 26 is arranged on the underface of the second cylinder 33, owing to push pedal 22 promotes raw material, baffle plate 31 blocks raw material, thus just there being part material to run out of from the gap between baffle plate 31 and pusher groove 21, therefore, in the process that baffle plate 31 is return under the second cylinder 33 drives, above-mentioned part material can be pushed to accumulator tank 26 by push pedal 22, accumulator tank 26 is in being downwardly inclined setting, thus when push pedal 22 promotes above-mentioned part material to certain position, this part material can glide due to action of gravity, the bottom of accumulator tank 26 can be arranged to receive the collection box of above-mentioned part material, and the feeding end being again transported to pusher groove 21 realizes the recovery of raw material.
As shown in Figure 7, the pusher groove 21 of feeding device 2 is by the base plate 211 being arranged on bottom and is fixed on two blocks of shroudings 212 of base plate 211 both sides and constitutes, so that the cross section of pusher groove 21 is Qian font, feeding plate 24 is obliquely installed, and feeding plate 24 can directly be weldingly fixed on shrouding 212, it is possible to be directly erected at the top of shrouding 212 by support, so, raw material drops down onto after on feeding plate 24, and raw material can due to action of gravity, dropping down onto in pusher groove 21 along feeding plate 24.Offering base plate opening 213 on base plate 211, cavity 121 is arranged on the lower section of base plate opening 213, and the upper shed of forming cavity 122 coordinates with base plate opening 213 so that from raw material due to gravity from base plate opening 213 opening fall time, just fall in forming cavity 122.
As shown in Figure 8, the effect by plate 32 of the porous backing plate 126 of blanking device 3, the top of forming cavity 122 it is moved into from conveying roll 35, the bottom of porous backing plate 126 arranges two slots 1261 inserted for plate 32, the entrance of slot 1261 is the structure expanded gradually outwardly, so plate 32 can made can be properly inserted slot 1261, and realize the location to porous backing plate 126 during insertion, at least 2 plates 32 are fixed in the lower end of baffle plate 31, so can keep the stationarity in porous backing plate 126 motor process.Slot 1261 may be used without poroid spliced eye and replaces.Certain porous backing plate 126 can also adopt other modes to realize motion, such as mechanical hand and other clamping devices, but the connected structure described in the present embodiment, not only structure is relatively easy, and can quickly effectively position and mobile porous backing plate 126, the support effect of porous backing plate 126 is also relatively good.
As shown in Figure 3, Figure 4, conveyer device includes carriage 34 and is arranged on the conveying roll 35 of carriage 34, conveyer device is arranged between the second cylinder 33 and mould 1, the side of conveyer device is provided with the 3rd cylinder 36 for pushing on conveying roll 35 by porous backing plate 126, one end of conveyer device is provided with the 4th cylinder 37 for promoting the porous backing plate 126 on conveying roll 35, be arrangeding in parallel of 3rd cylinder 36 and the second cylinder 33, the 3rd cylinder 36 and the 4th cylinder 37 are arranged in a mutually vertical manner.Porous backing plate 126 is pushed on conveying roll 35 by the 3rd cylinder 36, the porous backing plate 126 not carrying fireworks cylinder basic end item on conveying roll 35 can be pushed to above forming cavity 122 by the second cylinder 33, after the porous backing plate 126 fetched is returned on conveying roll 35, and promote porous backing plate 126 synchronizing moving on conveying roll 35 by the 4th cylinder 37, after all porous backing plate synchronizing movings on conveyer device, there is again a porous backing plate 126 not carrying fireworks cylinder basic end item corresponding with the second cylinder 33 position, carry out next circulation operation, owing to the fireworks cylinder basic end item intensity of firm depanning is not as high, therefore it is easily deformed, by the porous backing plate 126 support as bottom, and by above-mentioned blanking device 3, whole fireworks cylinder basic end item go out mold process (process namely taken out from mould 1 by fireworks cylinder basic end item by plate 32) and course of conveying (i.e. fireworks cylinder basic end item transport process on a conveyor), fireworks cylinder basic end item only bottom contacts with porous backing plate 126, remainder does not all directly contact with equipment, therefore can ensure that fireworks cylinder basic end item go out mold process and course of conveying is safer, and whole go out mold process and course of conveying can realize automatically controlling, without manual operation, greatly reduce production cost and improve production efficiency.
The work process that the present embodiment fireworks cylinder produces equipment is as follows:
1) by raw material from from pusher groove 21 both sides landing to pusher groove 21；
2) the second cylinder 33 promotes baffle plate 31 and plate 32 to move linearly, plate 32 inserts the lower section of porous backing plate 126, and porous backing plate 126 is moved above forming cavity 122 from conveyer device, lower bolster 123 is risen by lower mold oil cylinder 124, plug 125 inserts in plug hole, plate 32 straight line returns, porous backing plate 126 drops down onto on lower bolster 123 and along with lower bolster 123 drops to forming cavity 122, raw material is pushed forming cavity 122 by push pedal 22, (hereafter, if when raw material piles with forming cavity 122 and has unnecessary, baffle plate 31 can move towards push pedal 22, promote unnecessary raw material away from the upper shed of forming cavity 122, so that forming cavity 122 can obtain quantitative raw material, unnecessary raw material is in pusher groove 21, forming cavity 122 can be entered under the promotion of push pedal 22 along with next group raw material, carry out extruding next time)；
3) ultrasound wave shakes and launches ultrasonic energies in 14 pairs forming cavities 122, in forming cavity 122, raw material is under hyperacoustic effect, produce dither, simultaneously, upper mould oil cylinder 112 drives upper mould 11 to move down, from applying extruding force to raw material, in forming cavity 122, raw material is extruded in fireworks cylinder structure, keeps 1-10 minutes；
4) upper mould oil cylinder 112 drives upper mould 11 to move up, lower mold oil cylinder 124 drives lower bolster 123 to move up, thus driving the fireworks cylinder basic end item on porous backing plate 126, when porous backing plate 126 rises to appointment position, fireworks cylinder basic end item and forming cavity 122 depart from, plate 32 inserts the lower section of porous backing plate 126, lower mold oil cylinder 124 drives lower bolster 123 to move down, porous backing plate 126 is supported on plate 32, lower bolster 123 continues to decline, launch hole 42 and the plug 125 of fireworks cylinder basic end item depart from, thus completing the demoulding, second cylinder 33 drives plate 32 to return, carry on the porous backing plate 126 of fireworks cylindrical fireworks body 41 fireworks cylinder basic end item along with plate 32 is back to conveying roll 35, thus fireworks cylindrical fireworks body 41 fireworks cylinder basic end item is taken out from mould 2, 4th cylinder 37 promotes porous backing plate 126 synchronizing moving on conveying roll 35, do not carry fireworks cylinder basic end item to move to the second cylinder 33 place, prepare for next cycle of operation, the porous backing plate 126 carrying fireworks cylindrical fireworks body 41 fireworks cylinder basic end item moves to the next position, thus waiting the operations such as the drying entering next step or natural drying.
Above content described in this specification is only illustration made for the present invention.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art; without departing from the content of description of the present invention or surmount the scope that present claims book is defined, protection scope of the present invention all should be belonged to.
Claims (9)
1. a fireworks cylinder mould, it is characterized in that: mould (1) includes die frame (13), upper mould (11) and counterdie (12), counterdie (12) is provided with the forming cavity (122) for holding raw material, counterdie (12) is provided with and shakes head (14) for sending hyperacoustic ultrasound wave to forming cavity (122), upper mould (11) includes cope match-plate pattern (111) and is used for the upper mould oil cylinder (112) driving cope match-plate pattern (111) up and down, described counterdie (12) includes cavity (121), it is opened in the forming cavity (122) in cavity (121), it is arranged on the lower bolster (123) in forming cavity (122) and is used for the lower mold oil cylinder (124) driving lower bolster (123) up and down in forming cavity (122), cavity (121) is fixed with ultrasound wave shake head, the upper surface of lower bolster (123) is fixed with the plug (125) of the launch hole for molding fireworks cylinder, in molding fireworks cylinder process, the porous backing plate (126) for carrying raw material it is provided with in forming cavity (122), described porous backing plate (126) offers for the plug hole corresponding one by one with plug (125), porous backing plate (126) is located on plug (125) by above-mentioned plug borehole jack.
2. fireworks cylinder mould according to claim 1, it is characterized in that: cavity (121) include by steel plate around interior body part (1211) and by steel plate around ectosome part (1212), interior body part (1211) is arranged in the part of hollow of ectosome part (1212), the part of the interior hollow of interior body part (1211) is forming cavity (122), the upper and lower side of forming cavity (122) is respectively provided with opening, being used for installing ultrasound wave every sky part and shake head (14) between ectosome part (1212) and interior body part (1211), the ultrasound wave head (14) that shakes is fixed on interior body part (1211), the top and bottom of interior body part (1211) are respectively and fixedly provided with the end plates (1213) for closing the hollow space between ectosome part (1212) and interior body part (1211).
3. fireworks cylinder mould according to claim 1, it is characterised in that: cope match-plate pattern (111) is provided with the pin of the protrusion striped of wire lead slot for molding fireworks cylinder and the fairlead for molding fireworks cylinder.
4. a fireworks cylinder produces equipment, it is characterized in that: this fireworks cylinder produces equipment and includes feeding device (2), blanking device (3), mould (1), wherein, mould (1) includes die frame (13), upper mould (11) and counterdie (12), counterdie (12) is provided with the forming cavity (122) for holding raw material, counterdie (12) is provided with and shakes head for sending hyperacoustic ultrasound wave to forming cavity (122), upper mould (11) includes cope match-plate pattern (111) and is used for the upper mould oil cylinder (112) driving cope match-plate pattern (111) up and down, described counterdie (12) includes cavity (121), it is opened in the forming cavity (122) in cavity (121), it is arranged on the lower bolster (123) in forming cavity (122) and is used for the lower mold oil cylinder (124) driving lower bolster (123) up and down in forming cavity (122), cavity (121) is fixed with ultrasound wave shake head, the upper surface of lower bolster (123) is fixed with the plug (125) of the launch hole for molding fireworks cylinder, in molding fireworks cylinder process, the porous backing plate (126) for carrying raw material it is provided with in forming cavity (122), described porous backing plate (126) offers for the plug hole corresponding one by one with plug (125), porous backing plate (126) is located on plug (125) by above-mentioned plug borehole jack.
5. fireworks cylinder according to claim 4 produces equipment, it is characterized in that: feeding device (2) includes the pusher groove (21) for holding raw material, the push pedal (22) for raw material being pushed to forming cavity (122) upper end open it is provided with in described pusher groove (21), push pedal (22) drives push pedal (22) to move back and forth in pusher groove (21) by the first cylinder (23), blanking device (3) includes baffle plate (31), for porous backing plate (126) being delivered to forming cavity (122) top the plate (32) fetched by porous backing plate (126) from forming cavity (122) top, described plate (32) is fixed on the lower end of baffle plate (31), baffle plate (31) drives baffle plate (31) to move back and forth in pusher groove (21) by the second cylinder (33).
6. fireworks cylinder according to claim 4 produces equipment, it is characterized in that: cavity (121) include by steel plate around interior body part (1211) and by steel plate around ectosome part (1212), interior body part (1211) is arranged in the part of hollow of ectosome part (1212), the part of the interior hollow of interior body part (1211) is forming cavity (122), the upper and lower side of forming cavity (122) is respectively provided with opening, being used for installing ultrasound wave every sky part and shake head (14) between ectosome part (1212) and interior body part (1211), the ultrasound wave head (14) that shakes is fixed on interior body part (1211), the top and bottom of interior body part (1211) are respectively and fixedly provided with the end plates (1213) for closing the hollow space between ectosome part (1212) and interior body part (1211).
7. fireworks cylinder according to claim 4 produces equipment, it is characterised in that: cope match-plate pattern (111) is provided with the pin of the protrusion striped of wire lead slot for molding fireworks cylinder and the fairlead for molding fireworks cylinder.
8. fireworks cylinder according to claim 5 produces equipment, it is characterized in that: blanking device (3) also includes the conveyer device for carrying porous backing plate (126), conveyer device includes carriage (34) and is arranged on the conveying roll (35) of carriage (34), conveyer device is arranged between the second cylinder (33) and mould (1), the side of conveyer device is provided with the 3rd cylinder (36) for pushing on conveying roll (35) by porous backing plate (126), one end of conveyer device is provided with the 4th cylinder (37) for promoting the porous backing plate (126) on conveying roll (35), be arrangeding in parallel of 3rd cylinder (36) and the second cylinder (33), 3rd cylinder (36) and the 4th cylinder (37) are arranged in a mutually vertical manner.
9. fireworks cylinder according to claim 5 produces equipment, it is characterised in that: being provided with for by the feeding plate (24) in raw material landing to pusher groove (21) of the both sides of pusher groove (21) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410782569.8A CN104501664B (en) | 2014-12-16 | 2014-12-16 | A kind of fireworks cylinder mould and the equipment of production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410782569.8A CN104501664B (en) | 2014-12-16 | 2014-12-16 | A kind of fireworks cylinder mould and the equipment of production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104501664A CN104501664A (en) | 2015-04-08 |
| CN104501664B true CN104501664B (en) | 2016-06-29 |
Family
ID=52943090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410782569.8A Expired - Fee Related CN104501664B (en) | 2014-12-16 | 2014-12-16 | A kind of fireworks cylinder mould and the equipment of production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104501664B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534942B (en) * | 2014-12-16 | 2016-04-20 | 汤华荣 | A kind of fireworks cylinder preparation method and production equipment |
| CN105058568A (en) * | 2015-07-31 | 2015-11-18 | 重庆市鑫圣陶瓷有限公司 | Tile mold |
| CN105479802B (en) * | 2015-12-16 | 2017-08-04 | 佛山市恒力泰机械有限公司 | A kind of control method for extending automatic hydraulic press die life |
| CN106152884B (en) * | 2016-08-29 | 2017-12-08 | 朱柱锦 | Feeding device and fireworks automatic assembling |
| CN108007279A (en) * | 2018-01-15 | 2018-05-08 | 苏州天为幕烟花科技有限公司 | A kind of monoblock type image-text firework lattice structure body and preparation method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201203386Y (en) * | 2008-04-24 | 2009-03-04 | 胡先觉 | Equipment for producing fireworks barrel formed in one piece |
| CN102155874A (en) * | 2011-03-21 | 2011-08-17 | 王智先 | Numerical control firework combined drum forming machine |
| CN102889830A (en) * | 2012-04-26 | 2013-01-23 | 刘金铎 | Saluting gun outer barrel and method for manufacturing same |
| CN202709896U (en) * | 2012-08-17 | 2013-01-30 | 周健 | Press mould for porous firework powder column |
| CN103232719A (en) * | 2013-05-02 | 2013-08-07 | 汤华荣 | Firework cylinder material and preparation method thereof |
| CN103557749A (en) * | 2013-11-07 | 2014-02-05 | 中南大学 | Eddy-current-heated fireworks outer cylinder mould pressing forming method and mould pressing device |
| CN104034210A (en) * | 2014-06-09 | 2014-09-10 | 刘怀成 | Firework launching device, and manufacturing method and die thereof |
| CN104534942A (en) * | 2014-12-16 | 2015-04-22 | 汤华荣 | Firework cylinder manufacturing method and production equipment |
| CN204649092U (en) * | 2014-12-16 | 2015-09-16 | 汤华荣 | Fireworks cylinder production equipment |
| CN204649093U (en) * | 2014-12-16 | 2015-09-16 | 汤华荣 | Fireworks cylinder mould |
-
2014
- 2014-12-16 CN CN201410782569.8A patent/CN104501664B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201203386Y (en) * | 2008-04-24 | 2009-03-04 | 胡先觉 | Equipment for producing fireworks barrel formed in one piece |
| CN102155874A (en) * | 2011-03-21 | 2011-08-17 | 王智先 | Numerical control firework combined drum forming machine |
| CN102889830A (en) * | 2012-04-26 | 2013-01-23 | 刘金铎 | Saluting gun outer barrel and method for manufacturing same |
| CN202709896U (en) * | 2012-08-17 | 2013-01-30 | 周健 | Press mould for porous firework powder column |
| CN103232719A (en) * | 2013-05-02 | 2013-08-07 | 汤华荣 | Firework cylinder material and preparation method thereof |
| CN103557749A (en) * | 2013-11-07 | 2014-02-05 | 中南大学 | Eddy-current-heated fireworks outer cylinder mould pressing forming method and mould pressing device |
| CN104034210A (en) * | 2014-06-09 | 2014-09-10 | 刘怀成 | Firework launching device, and manufacturing method and die thereof |
| CN104534942A (en) * | 2014-12-16 | 2015-04-22 | 汤华荣 | Firework cylinder manufacturing method and production equipment |
| CN204649092U (en) * | 2014-12-16 | 2015-09-16 | 汤华荣 | Fireworks cylinder production equipment |
| CN204649093U (en) * | 2014-12-16 | 2015-09-16 | 汤华荣 | Fireworks cylinder mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104501664A (en) | 2015-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104501664B (en) | A kind of fireworks cylinder mould and the equipment of production | |
| CN104534942B (en) | A kind of fireworks cylinder preparation method and production equipment | |
| CN204649093U (en) | Fireworks cylinder mould | |
| CN203246095U (en) | Full-automatic hydraulic machine of novel energy-saving environment-friendly wall body light heat insulation materials | |
| CN103232719B (en) | A kind of Firework cylinder material and preparation method thereof | |
| CN204649092U (en) | Fireworks cylinder production equipment | |
| CN1657251A (en) | Automatic shaping method and equipment for load-bearing hollow brick | |
| CN103223730A (en) | Energy-saving and environment-friendly wall body light weight heat preservation novel material full-automatic hydraulic machine | |
| CN110193873A (en) | A kind of tailings air entrained concrete plate production technology and its drill drawing machine structure used | |
| CN202622981U (en) | Automatic profiled material distribution and production system for honeycomb core plate | |
| CN210939788U (en) | Concrete block forming machine for construction industry | |
| CN104142097A (en) | Fireworks outer barrel mechanically molded by hydraulic mold at high temperature and manufacturing process of fireworks outer barrel | |
| CN201446176U (en) | Full-automatic top rod hydraulic hot punching forming machine | |
| CN104097346A (en) | Full-automatic hydraulic machine for novel energy-saving, environment-friendly, light and heat-insulation material of wall body | |
| CN201693661U (en) | Light concrete wallboard production line | |
| CN102009431B (en) | Automatic production line for lightweight concrete wallboard | |
| CN214561729U (en) | Hydraulic full-automatic baking-free device for hollow brick production | |
| CN204649094U (en) | Fireworks cylinder shaped device | |
| CN207465460U (en) | Multifunctional molding brickmaking machine | |
| CN102806593B (en) | Automatic-feeding plate pressing machine | |
| CN101007421A (en) | Pore forming method of insertion-type honeycomb porous bricks and device thereof | |
| CN203778558U (en) | Processing device for finned tube | |
| CN104290172A (en) | High-productivity block making machine | |
| CN104404813B (en) | The method of china picture-character paper and china picture-character paper prepared therefrom are prepared in a kind of mechanization | |
| CN208359560U (en) | A kind of viscous dry powder joss sticks manufacturing machine of automatically nothing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20191216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |