CN109134166A - A kind of prilling process of fireworks powder - Google Patents
A kind of prilling process of fireworks powder Download PDFInfo
- Publication number
- CN109134166A CN109134166A CN201811322831.5A CN201811322831A CN109134166A CN 109134166 A CN109134166 A CN 109134166A CN 201811322831 A CN201811322831 A CN 201811322831A CN 109134166 A CN109134166 A CN 109134166A
- Authority
- CN
- China
- Prior art keywords
- powder
- die box
- head
- compaction
- press mold
- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
- C06B21/0033—Shaping the mixture
- C06B21/0066—Shaping the mixture by granulation, e.g. flaking
Abstract
The invention discloses a kind of prilling process of fireworks powder, include the following steps: S1: the gunpowder powder for being mixed with alcohol and binder being poured into die box (2), is provided with mold groove in die box (2) inside bottom surface;S2: die box (2) are sent into press mold workplace (6), prepare compacting;S3: the gunpowder powder in die box (2) is suppressed in driving press mold head (12), and press mold head (12) lower surface is provided with mold groove corresponding with die box (2) bottom surface;S4: the powder grain that die box (2) internal pressure is made demoulds, and completes the preparation of powder grain.The prilling process can be realized automatic production, to ensure that the personal safety of worker, while high production efficiency, it is granulated uniform, and by replacement die head, the production of different shape powder grain may be implemented, to preferably adapt to the needs that modern fireworks customize.
Description
Technical field
The present invention relates to a kind of firework production method, especially a kind of prilling process of fireworks powder.
Background technique
Time-honored fireworks industry has met with very big crisis in recent years, first is that the situation is tense for production safety, due to flower
Big gun production is mainly the craft and semi-mechanization production of traditional approach, and the great peace of casualties is just made in the accidental fault of worker
Full accident;Second is that manual production, product specification and quality are difficult to be guaranteed, cause product in storage and transportation and set off in safety
Accident;Third is that labour is more and more nervous, labor cost is higher and higher, and the shortage of human resources constrains fireworks industry
Development;Fourth is that traditional firework production model is for the purpose of safety, workshop scattered distribution occupies a large amount of land resource,
If production method does not change, the restriction of land resource also influences the development of fireworks industry.
In order to accelerate fireworks industry, to the process of modern production Mode change, to promote the skill of fireworks from traditional mode of production mode
Art progress and industrial upgrading, it is necessary to realize the modernization of the means of production." a kind of firework bright bead as disclosed in CN 105237315
Automatic granulator ", the equipment include the pelletizing disks and material-spraying device that rotation is driven by driving device, the material-spraying device
Nozzle is arranged in pelletizing disks, and the pelletizer ontology is installed on the robotic arm by bracket, and the mechanical arm can drive and make
The pelletizing disks of grain machine ontology are converted between feed station, granulation station and unloading station, to be automatically performed charging, make
Grain, discharging, overall process sieve material and discharged.But that there is granulation times is long for the technique being granulated above by pelletizing disks,
Inefficiency, while the powder grain size produced is difficult to control, so that subsequent handling be caused also to need artificial screening, is further increased
Add working hour, improves cost.And the above method is only able to produce circular powder grain, can not produce the gunpowder of other shapes
Grain, can not adapt to the customization developing direction of modern fireworks.
Summary of the invention
It is an object of the invention to be directed to the above problem in the prior art, a kind of prilling process of fireworks powder is provided,
To realize efficiently production, while it can guarantee that powder grain size is consistent.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of prilling process of fireworks powder, includes the following steps:
S1: the gunpowder powder for being mixed with alcohol and binder is poured into die box 2, is arranged in 2 inside bottom surface of die box
There is mold groove;
S2: die box 2 is sent into press mold workplace 6, prepares compacting;
S3: driving press mold head 12 suppresses the gunpowder powder in die box 2, and 12 lower surface of press mold head is provided with and mould
Has the corresponding mold groove in 2 bottom surface of case;
S4: the powder grain that 2 internal pressure of die box is made demoulds, and completes the preparation of powder grain.
It preferably, further include compacting step S21 before the step S3.
Preferably, the compacting step S21 are as follows: by the first compaction head (10) and the second compaction head (11) to the mold
Gunpowder powder in case 2 is compacted.
Preferably, in the compacting step S21, controller controls the first compaction cylinder 7 and drives the pressure of the first compaction head 10,
Depression distance is determined according to fire powder end amount of fill in actual mould case 2;After keeping in pressed status 5 seconds, controller control the
One compaction cylinder 7 retraction, drives 10 uplink return of the first compaction head, and the transmission belt of controller control later continues to run, by mold
Case 2 navigates to immediately below the second compaction head 11, and transmission belt stops, and controller controls the second compaction cylinder 8 and drives the second compaction head
11 pressures, depression distance increase 5mm than the first compaction head 10, after keeping in pressed status 5 seconds, controller control the second compacting gas
Cylinder 8 bounces back, and drives 11 uplink return of the first compaction head.
Preferably, in the step S3, controller controls press mold cylinder 9 and press mold head 12 is driven to depress, and depression distance is than the
Two compaction heads 11 increase 5mm, and after keeping in pressed status 5 seconds, controller controls press mold cylinder 9 and bounces back, and drive on press mold head 12
Row return completes compacting.
It preferably, further include screening step S5.
Preferably, the screening step are as follows: powder grain is placed on sieve plate 18, the gunpowder powder being scattered is from sieve plate 18
The recycling bins 19 of lower section are fallen into sieve pore, for reusing, the powder grain on sieve plate 18 is pushed down sieve plate, falls into setting and is sieving
The lower feed box 20 of 18 other side of plate.
It preferably, further include that water mist is sprayed in pressing process in the step S3.
Preferably, in the step S4, die box 2 is sent on the horizontal arm of turnover device 14, after positioning, controller
Starting overturning motor, driving turnover device 14 overturn 180 degree, die box 2 are tipped upside down on mold tank tower 15, and it is de- to complete powder grain
Mould.
Preferably, the die box (2) is arranged on the transport belt 4.
The prilling process of fireworks powder of the invention can be realized automatic production, thus ensure that the personal safety of worker,
High production efficiency simultaneously is granulated uniformly, and by replacement die head, the production of different shape powder grain may be implemented, from
And preferably adapt to the needs that modern fireworks customize.
Detailed description of the invention
Fig. 1 is the schematic diagram of the prilling process equipment therefor of fireworks powder of the present invention;
Fig. 2 is the damping device structure schematic diagram of die box bottom in the prilling process equipment therefor of fireworks powder of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
With reference to attached drawing 1, a kind of prilling process equipment therefor of fireworks powder of the present invention mainly includes feeding inlet 1,
Die box 2, driving wheel 3, conveyer belt 4, driven wheel 5, press mold workplace 6, the first compaction cylinder 7, the second compaction cylinder 8, press mold
Cylinder 9, the first compaction head 10, the second compaction head 11, press mold head 12, hydraulic spray nozzle 13, turnover device 14, mold tank tower 15, sieve
Plate 18, pusher cylinder 16, scraping wings 17, lower feed box 20, recycling bins 19.
Wherein, the leftmost side of device is arranged in feeding inlet 1, and end opening is greater than lower ending opening thereon, and funnel-shaped, section is
Square, rectangle or circle.Fireworks powder after mixing sieving is dosed into feeding inlet 1 through automatic or manual.
The lower section of feeding inlet 1 is provided with die box 2, and die box 2 is the cabinet of top end opening, is provided in inside bottom surface
The tank wall height of mold groove, surrounding is consistent, and fireworks powder enters die box 2 through feeding inlet 1.Die box 2 is set to conveyer belt 4
On, conveyer belt 4 is driven by driving wheel 3 through driving motor, further includes driven wheel 5.Preferably, 2 bottom of die box, which is additionally provided with, subtracts
Vibrating device 21 can prevent die box 2 in subsequent pressing process to the impact of conveyer belt, also be avoided that die box 2
The damage of body.The corner location of die box 2 is arranged in the vibration absorber 21, including spring 22 and is wrapped in around spring 22
Macromolecule damping piece 23.
Conveyer belt is arranged across press mold workplace 6, and press mold workplace 6 forms a chamber generally closed off, wherein successively
First compaction head 10, the second compaction head 11 and press mold head 12 are set, wherein the first compaction head 10 is driven by the first compaction cylinder 7,
The fireworks powder in die box 2 to be compacted, the second compaction head 11 is driven by the second compaction cylinder 8, to by mold
Fireworks powder in case 2 is further compacted, and press mold head 12 is driven by press mold cylinder 9, to by the fireworks powder pressure in die box 2
Film molding.12 lower surface of press mold head is provided with mold groove corresponding with 2 bottom surface of die box, passes through press mold head 12 and mould
Have the cooperation of case 2, is powder grain by fireworks powder compression moulding.The press mold head 12 is using detachable structure and press mold cylinder 9
Connection, to replace mold of different shapes, is suppressed as needed so as to replace press mold head 12 and press mold case 2 as needed
Powder grain of different shapes adapts to the production for customizing fireworks.Preferably, prilling granulator is additionally provided with cooling water circulating device,
Circulating cooling water channel is set in first compaction head 10, the second compaction head 11 and press mold head 12, and above-mentioned cooling water channel passes through
Cooling water pipe is connected with cooling water circulating device, realizes to the first compaction head 10, the water cooling of the second compaction head 11 and press mold head 12,
Guarantee the safety of operating process so that the compacting of gunpowder carries out at low temperature to reduce the temperature of pressure head in pressing process.
Hydraulic spray nozzle 13 is provided on 6 inner wall of press mold workplace, the hydraulic spray nozzle 13 passes through water pipe, water pump and water tank phase
Even, it is preferred that be provided with a hydraulic spray nozzle 13 on four walls of press mold workplace 6, conveyer belt is sprayed in pressing process
Water mist reduces environment gunpowder dust concentration, and increase ambient humidity, gunpowder is kept to suppress to reduce environment temperature
Viscosity and plasticity in journey.Preferably, temperature sensor and dust concentration sensing are additionally provided in the press mold workplace 6
Device, for detecting environment temperature and dust concentration in pressing process, to be further ensured that the safety of process.
The exit of press mold workplace 6 is provided with turnover device 14, and the turnover device 14 is " L " type, the friendship of two arms
Shaft is provided at point, shaft is connected with the output shaft of overturning motor, and overturning motor-driven rotatable shaft rotation drives turnover device to turn over
Turn.When die box 2 is transported on 14 horizontal arm of turnover device by conveyer belt, controller control overturning electric motor starting, overturning dress
14 overturning 180 degrees are set, die box 2 is tipped upside down on mold tank tower 15.The mold tank tower 15 is one and 2 geomery of die box
Adaptable frame structure, including four frames, centre are material-dropping hole.The outer wall of die box 2 can be overlapped on mold tank tower 15
Four frames on so that powder grain Jing Guo compression moulding falls off from die box 2 in die box 2, fall into material-dropping hole
In, realize demoulding.
Be provided with sieve plate 18 below mold tank tower 15, the slot size and press mold head 12 of sieve plate 18 and die box 2 it is interior
Mold size matches, and pressed pyrotechnics grain is rested on sieve plate 18, and other gunpowder participated in can be from sieve
The sieve pore of plate is fallen, to realize automatic blanking.The sieve pore of sieve plate can be rectangular, rectangle, the shapes such as circle.It is set on the left of sieve plate
It is equipped with pusher cylinder 16 and scraping wings 17, scraping wings 17 is connected with the cylinder rod of pusher cylinder 16.When the powder grain of compression moulding
It falls on sieve plate 18, controller controls pusher cylinder 16 and releases, and drives scraping wings 17 that the powder grain on sieve plate 18 is pushed down sieve
Plate falls into the lower feed box 20 that 18 other side of sieve plate is arranged in, and the sieve pore that remaining gunpowder then moves sieve plate 18 is fallen, and falls into setting
Recycling bins 19 below sieve plate 18, for reusing.
It is as follows according to the fireworks powder prilling process of above-mentioned prilling granulator:
S1: die box 2 is positioned at immediately below feeding inlet 1, the gunpowder powder for being mixed with alcohol and binder is poured into feeding inlet
1, powder is uniformly fallen into die box 2;
S2: controller starts belt-driven motor, and motor driven conveyer belt driving wheel 3 rotates, and driven wheel 5 is driven to turn together
It is dynamic, to drive transmission tape travel, die box 2 is sent into press mold workplace 6, controller starts the water being connected with hydraulic spray nozzle 13
Pump prepares compacting so that hydraulic spray nozzle 13 starts to spray water mist;
S3: die box 2 is navigated to immediately below the first compaction head 10, and controller controls transmission belt driving motor and stops driving, is passed
Dynamic band stops, and controller controls the first compaction cylinder 7 and drives the pressure of the first compaction head 10, and depression distance is according to actual mould case 2
Interior fire powder end amount of fill determines;After keeping in pressed status 5 seconds, controller controls the first compaction cylinder 7 retraction, drives first
10 uplink return of compaction head, the transmission belt of controller control later continues to run, under die box 2 is navigated to the second compaction head 11 just
Side, transmission belt stop, and controller controls the second compaction cylinder 8 and drives the pressure of the second compaction head 11, and depression distance is than the first compacting
First 10 increase 5mm, and after keeping in pressed status 5 seconds, controller controls the second compaction cylinder 8 retraction, drive the first compaction head 11
Uplink return, controller control transmission belt continue to run, die box 2 are navigated to immediately below press mold head 12, and transmission belt stops, control
Device control press mold cylinder 9 processed drives press mold head 12 to depress, and depression distance increases 5mm than the second compaction head 11, keeps pressed status 5
After in second, controller controls press mold cylinder 9 and bounces back, and drives 12 uplink return of press mold head, completes compacting;
S4: controller controls transmission belt 4 and starts, and takes die box 2 out of press mold workplace 6, while controller stops spraying with water mist
The operation of the connected water pump of mouth, die box 2 is sent on the horizontal arm of turnover device 14, after positioning, controller starting overturning electricity
Machine, driving turnover device 14 overturn 180 degree, die box 2 are tipped upside down on mold tank tower 15, complete powder grain demoulding;
S5: powder grain is fallen on sieve plate 18, and the gunpowder powder being scattered falls into the recycling bins 19 of lower section from the sieve pore of sieve plate 18, is used
In reusing, controller controls pusher cylinder 16 and stretches out, and drives scraping wings 17 that the powder grain on sieve plate 18 is pushed down sieve plate, falls
Enter to be arranged in the lower feed box 20 of 18 other side of sieve plate, to complete the preparation of powder grain.
The prilling process of fireworks powder of the invention can be realized automatic production, thus ensure that the personal safety of worker,
High production efficiency simultaneously is granulated uniformly, and by replacement die head, the production of different shape powder grain may be implemented, from
And preferably adapt to the needs that modern fireworks customize.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of prilling process of fireworks powder, which comprises the steps of:
S1: the gunpowder powder for being mixed with alcohol and binder is poured into die box 2, is arranged in 2 inside bottom surface of die box
There is mold groove;
S2: die box 2 is sent into press mold workplace 6, prepares compacting;
S3: driving press mold head 12 suppresses the gunpowder powder in die box 2, and 12 lower surface of press mold head is provided with and mould
Has the corresponding mold groove in 2 bottom surface of case;
S4: the powder grain that 2 internal pressure of die box is made demoulds, and completes the preparation of powder grain.
2. the prilling process of fireworks powder as described in claim 1, it is characterised in that: further include compacting before the step S3
Step S21.
3. the prilling process of fireworks powder as claimed in claim 2, it is characterised in that: the compacting step S21 are as follows: pass through
One compaction head (10) and the second compaction head (11) are compacted the gunpowder powder in the die box 2.
4. the prilling process of fireworks powder as claimed in claim 3, it is characterised in that: in the compacting step S21, controller
It controls the first compaction cylinder 7 and drives the pressure of the first compaction head 10, depression distance is according to fire powder end amount of fill in actual mould case 2
It determines;After keeping in pressed status 5 seconds, controller controls the first compaction cylinder 7 retraction, and 10 uplink of the first compaction head is driven to return
Position, the transmission belt of controller control later continue to run, die box 2 are navigated to immediately below the second compaction head 11, and transmission belt stops,
Controller controls the second compaction cylinder 8 and drives the pressure of the second compaction head 11, and depression distance increases 5mm than the first compaction head 10, protects
After holding in pressed status 5 seconds, controller controls the second compaction cylinder 8 retraction, drives 11 uplink return of the first compaction head.
5. the prilling process of fireworks powder as claimed in claim 4, it is characterised in that: in the step S3, controller control
Press mold cylinder 9 drives press mold head 12 to depress, and depression distance increases 5mm than the second compaction head 11, after keeping in pressed status 5 seconds,
Controller controls press mold cylinder 9 and bounces back, and drives 12 uplink return of press mold head, completes compacting.
6. the prilling process of fireworks powder as described in claim 1, it is characterised in that: further include screening step S5.
7. the prilling process of fireworks powder as claimed in claim 6, it is characterised in that: the screening step are as follows: by powder grain
It being placed on sieve plate 18, the gunpowder powder being scattered falls into the recycling bins 19 of lower section from the sieve pore of sieve plate 18, for reusing,
Powder grain on sieve plate 18 is pushed down sieve plate, falls into the lower feed box 20 that 18 other side of sieve plate is arranged in.
8. the prilling process of fireworks powder as described in claim 1, it is characterised in that: further include pressing in the step S3
Water mist is sprayed during system.
9. the prilling process of fireworks powder as described in claim 1, it is characterised in that: in the step S4,2 quilt of die box
It send to the horizontal arm of turnover device 14, after positioning, controller starting overturning motor, driving turnover device 14 overturns 180 degree, will
Die box 2 tips upside down on mold tank tower 15, completes powder grain demoulding.
10. the prilling process of fireworks powder as described in claim 1, it is characterised in that: die box (2) setting is transmitting
On band 4.
Priority Applications (1)
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CN201811322831.5A CN109134166B (en) | 2018-11-08 | 2018-11-08 | Fireworks gunpowder granulating method |
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CN201811322831.5A CN109134166B (en) | 2018-11-08 | 2018-11-08 | Fireworks gunpowder granulating method |
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CN109134166A true CN109134166A (en) | 2019-01-04 |
CN109134166B CN109134166B (en) | 2021-02-05 |
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Effective date of registration: 20230412 Address after: Da Hu Zhen Da Xing Cun, Liuyang City, Changsha City, Hunan Province, 410305 Patentee after: Liuyang Zhongqi Fireworks Manufacturing Co.,Ltd. Address before: 410303 Lihua village, Yanxi Town, Liuyang City, Changsha City, Hunan Province Patentee before: DANCING FIREWORKS GROUP Co.,Ltd. |
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