CN110642660A - Full-automatic forming unit for pyrotechnic composition dry powder - Google Patents
Full-automatic forming unit for pyrotechnic composition dry powder Download PDFInfo
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- CN110642660A CN110642660A CN201911081248.4A CN201911081248A CN110642660A CN 110642660 A CN110642660 A CN 110642660A CN 201911081248 A CN201911081248 A CN 201911081248A CN 110642660 A CN110642660 A CN 110642660A
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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
- C06B21/0041—Shaping the mixture by compression
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Abstract
The invention discloses a pyrotechnic composition dry powder forming unit.A partition plate 6 is arranged on a host machine base 17, one side of the partition plate is provided with a die carrier 7, an upper punch 10, a female die 11, a lower punch 18, a shuttle groove 12, a trolley 15 and a second shielding door 13, and the other side of the partition plate 6 is provided with a first shielding door 4, a storage hopper 3, a ball valve 2, a material box 22 and an angle iron 29; the obtained wet powder is properly dried into dry powder after the powder slurry of the smoke and fire powder, the dry powder is automatically pressed and molded in a die in a hydraulic mode by utilizing the characteristics of good fluidity and no sticking of the dry powder to the die, the molded particles do not need to be baked again and can be directly wrapped with the powder for use, the automation degree of equipment is high, the man and the machine are completely separated, the safety and the reliability are realized, the sanitary condition is good, the economy is high, and the burning effect of the product is good. The method creates conditions for realizing workshop production of pyrotechnic compositions and saving land occupation area.
Description
Technical Field
The invention relates to a powder forming unit, in particular to a full-automatic forming unit for dry powder of inflammable and explosive pyrotechnic compositions.
Background
The pyrotechnic composition is required to be formed into particles in the firework manufacturing process, the current forming methods are two, and the drum inner core is driven by the rotation of the rotary drum with smaller particle size to roll, gradually bond and grow up for forming. And pressing the larger particles on a pressure device by using a mould. The two methods are used for forming the powder in a wet state, the wet powder is extremely viscous, manual work is not required in the whole forming process, the sanitary condition is poor, serious potential safety hazards exist, the safety regulation requirements of man-machine separation are not met, the formed wet product needs to be intensively dried in a drying room for a long time, and the method is high in energy consumption and is a huge hazard source. The produced product has loose texture, low quality and poor burning effect. Because safe no guarantee, in order to prevent sympathetic ignition and sympathetic explosion, have to disperse on the production overall arrangement and occupy the mountain head, consume a large amount of homeland resources.
Disclosure of Invention
The invention aims to provide a full-automatic pyrotechnic composition dry powder molding unit.
In order to achieve the purpose, the invention adopts the following technical scheme:
in order to solve the technical problem, the full-automatic forming unit for the dry powder of the pyrotechnic composition, provided by the invention, is characterized in that a partition plate is arranged on a machine base, a die set is arranged on one side of the partition plate, the die set consists of an upper cross beam, a sliding block, a bottom plate and a vertical column which are horizontally arranged, the upper cross beam is fixedly connected with the bottom plate and the vertical column, the sliding block is in sliding connection with the vertical column, an upper oil cylinder is arranged on the upper cross beam and is in moving connection with the sliding block, an upper punch is arranged on the sliding block, the bottom plate is fixed on the machine base, a female die is arranged on the bottom plate and is provided with a cavity hole, a lower punch is arranged in the cavity hole and is in moving connection with the lower oil cylinder, the upper punch, the cavity hole and the lower punch are coaxial, a door hole is formed in the lower end of the partition plate, a first shielding door is, the door opening is opened or closed, a storage hopper is arranged on the other side of the partition plate and fixed on the upper cross beam, an opening is formed in the lower end of the storage hopper, a ball valve is arranged at the opening and is in motion connection with a connecting rod and a third cylinder, the opening of the storage hopper is opened or closed, and a ball valve hopper is further arranged at the lower end of the ball valve; the bottom plate is provided with a rectangular slide carriage, the slide carriage is provided with a material box, the material box is of a hollow square frame structure, a material box cover is arranged above the material box, the material box cover is provided with a material receiving funnel, and when the material box is in a feeding position, the material receiving funnel is in butt joint with an outlet of the ball valve funnel; the feeding device comprises a feeding box, a feeding oil cylinder, a connecting rod, a feeding oil cylinder, angle irons, a feeding oil cylinder, a support screw, a T-shaped groove seat, a T-shaped structure and a T-shaped structure, wherein the angle irons are arranged above and on one side edge of the feeding box, the horizontal edge is forked and covers the upper part of the feeding box cover, the support screw is arranged on the horizontal edge and corresponds to the feeding box cover, the T-shaped groove seat is arranged on the vertical; a felt pad is arranged below the material box and is in sliding connection with the slide carriage.
The dry powder is obtained by properly drying the powder which is changed into a wet state after the pyrotechnic composition is subjected to slurry treatment, so that the powder particles reach an external dry internal wet state.
The material box is internally provided with an impeller, the impeller is concentrically and fixedly connected with a gear shaft, one overhanging end of the gear shaft is provided with a gear, the gear is in transmission connection with a rack and a third cylinder, the rack and the third cylinder are arranged on a support, and the support is fixed on the vertical edge of the angle iron.
The side wall of the material box close to one end of the angle iron is provided with a vertical groove which is connected with the vertical side of the angle iron through a column end screw, a screw and a connecting plate.
The front end of the slide carriage is provided with a shuttle groove, an outlet of the shuttle groove is in butt joint with the trolley, a carriage of the trolley is of a closed box structure and internally provided with a lifting bucket, the top surface of the carriage is provided with a second shielding door, and the second shielding door is in motion connection with a second air cylinder to open or close the top of the carriage.
The material box cover is provided with a sensor.
The unit main machine part is wholly wrapped by the protective cover.
The main machine part is separated from the hydraulic station and the electric control cabinet and only adopts a hydraulic pipeline; the weak current control circuit is connected.
By adopting the pyrotechnic composition dry powder forming unit adopting the technical scheme, the partition plate, the first shielding door and the second shielding door separate or communicate the die carrier for applying pressure with a storage hopper for providing raw materials and a carriage for collecting pressed blanks; when the material box is positioned at a material receiving position, the first shielding door and the second shielding door are closed, the material storage hopper supplies materials to the material box, the sensors sense powder and then stop supplying the materials, the first shielding door and the second shielding door are opened simultaneously, the feeding oil cylinder pushes the material box to the direction of the female die on the slide carriage through the connecting rods, the T-shaped groove seats and the angle irons, the material box and the felt pad are pressed to the slide carriage due to the downward pressing of the bearing screws on the angle irons and the dead weight of the material box, the felt pad is tightly attached to the surface of the slide carriage, the powder in the material box is prevented from overflowing in the motion process, and in the forward pushing process of the material box, the pushing plate at the front end of the material box pushes a pressed compact which is pressed by the previous wheel and is ejected and; the second shielding door is closed, the material box moves forward to a filling position, the third cylinder enables the impeller to swing back and forth through the rack and the gear shaft, the powder is scraped into the cavity hole by the blades on the impeller, the material box returns to the receiving position after filling is completed, the first shielding door is closed, the upper cylinder pushes the sliding block to move downwards, the upper punch arranged on the sliding block applies pressure to the powder in the cavity hole, then the sliding block and the upper punch return to the original position together, the lower cylinder pushes the lower punch upwards to eject out, the green compact is demoulded and stays on the top surface of the female die, and the lower punch returns; in the pressing process, the first shielding door and the second shielding door are closed, and the pressing is separated from the raw material storage hopper and the pressed compact collection, so that the pressing is a link easy to cause accidents, and in case of accidents, sympathetic explosion can be prevented; the equipment has severe limitations on the weight of the pressed powder and the capacity of the storage hopper and the pail.
In conclusion, the forming machine is characterized in that the former wet powder forming is changed into the dry powder forming, the dry powder has the characteristics of good fluidity, easy filling, no die sticking and the like, and basic conditions are provided for automatic pressing.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention
FIG. 2 is a schematic view showing the operation of the impeller and the connection between the magazine and the angle iron according to the present invention
In the figure: 1. a connecting rod; 2. a ball valve; 3. a storage hopper; 3-1, opening a storage hopper; 4. a first shield door; 5. a first cylinder; 6. a partition plate; 7. a mold frame; 7-1, upper beam; 7-2. upright post; 7-3, sliding blocks; 7-4. a bottom plate; 8. feeding an oil cylinder; 9, a protective cover; 10. punching by an upper die; 11. a female die; 11-1. cavity hole; 12. a shuttle groove; 13. a second shield door; 14. lifting the barrel; 15. a trolley; 15-1, a compartment; 16. a second cylinder; 17. a machine base; 18. punching a lower die; 19. a lower oil cylinder; 20. a stripper plate; 21. a sensor; 22. a magazine; 23. a material box cover; 24. a felt pad; 25. a slide carriage; 26. a feeding oil cylinder; a connecting rod; a T-slot seat; 29. angle iron; 30. a load-bearing screw; 31. a receiving hopper; 32. a ball valve hopper; 33. a third cylinder; 34. a connecting plate; 35. a screw; 36. a post-end screw; 37. an impeller; 38. a gear shaft; 38-1 gear; 39. a rack; 40. a fourth cylinder; 41. a support;
Detailed Description
The invention is further described with reference to the following figures and detailed description.
Referring to the attached figure 1, a partition plate 6 is arranged on a machine base 17, a die carrier 7 is arranged on one side of the partition plate 6, the die carrier 7 consists of an upper cross beam 7-1, a slide block 7-3, a bottom plate 7-4 and an upright post 7-2, the upper cross beam 7-1 and the bottom plate 7-4 are fixedly connected with the upright post 7-2, the slide block 7-3 is in sliding connection with the upright post 7-2, the bottom plate 7-4 is fixed on the machine base 17, an upper oil cylinder 8 is arranged on the upper cross beam 7-1, the slide block 7-3 is in moving connection with the upper oil cylinder 8, an upper punch 10 is arranged on the slide block, a female die 11 is arranged on the bottom plate 7-4, the female die is provided with a die cavity hole 11-1, a lower punch 18 is arranged in the die cavity hole, the lower punch is in sliding connection with the die cavity hole, the upper punch 10, the door opening is provided with a first shielding door 4, the first shielding door is movably connected with a first air cylinder 5, a storage hopper 3 is arranged on the same side of the first air cylinder 5 and fixed on an upper cross beam 7-1, a storage hopper opening 3-1 is formed below the storage hopper 3 and is in butt joint with a ball valve 2, the ball valve is movably connected with a connecting rod 1 and a third air cylinder 33, so that the ball valve 2 is opened or closed for the storage hopper opening 3-1, a ball valve funnel 32 is arranged below the ball valve 2, and when a material box 22 is located at a feeding position, the material receiving funnel 31 on the material box cover 23 is in butt joint with the ball valve funnel 32.
Referring to fig. 1 and 2, a slide carriage 25 is arranged above a die carrier bottom plate 7-4, a material box 22 is arranged on the slide carriage, the material box is of a hollow square frame structure, and a material box cover 23 is arranged at the top of the material box; an angle iron 29 is arranged on one side of the material box 22, the angle iron is a right-angle bent plate, the horizontal side of the angle iron is covered above the material box cover 23 in a fork shape, a bearing screw 30 on the angle iron corresponds to the material box cover 23, a T-shaped groove seat 28 is arranged on the vertical side of the angle iron 29, the T-shaped groove seat is movably connected with a connecting rod 27 and a feeding oil cylinder 26, and the end of the connecting rod 27, which is close to the angle iron, is provided with a T-shaped structure and falls into the T-shaped; the material box 22 is fixedly connected with the vertical edge of the angle iron 29 through a column end screw 36, a screw 35 and a connecting plate 34, and under the action of the feeding oil cylinder 26, the material box 22 slides back and forth on the surface of the slide carriage 25 between a loading position and a filling position along with the angle iron 29; one overhanging end of the gear shaft 38 is provided with a gear 38-1 and is in motion connection with a rack 39 and a fourth cylinder 40; the rack 39 and the fourth cylinder 40 are mounted on a bracket 41 which is fixed to the vertical side of the angle iron 29.
Referring to fig. 1, the front end of the slide carriage 25 is provided with a shuttle groove 12, the outlet of the shuttle groove is in butt joint with a carriage 15-1 of a trolley 15, the carriage 15-1 has a closed box structure, a lifting bucket 14 is arranged in the carriage, the top of the carriage is provided with a second shielding door 13, and the second shielding door is movably connected with a second air cylinder 16, so that the second shielding door 13 is opened or closed to the top of the carriage 15-1.
Referring to fig. 1 and 2, when the material box 22 is at the charging position, the first shielding door 4 and the second shielding door 13 are closed, the ball valve 2 opens the opening 3-1 of the storage hopper, the powder flows to the material box 22 through the ball valve funnel 32 and the material receiving funnel 31, when the sensor 21 senses that the feeding is stopped after the powder is fed, the first shielding door 4 and the second shielding door 13 are opened, the feeding oil cylinder 26 pushes the material box 22 to the female die 11 along the top surface of the slide carriage 25 through the connecting rod 27, the T-shaped seat 28 and the angle iron 29, the felt pad 24 under the material box 22 is tightly pressed on the top surface of the slide carriage 25 by the pressure of the bearing screw 30 on the horizontal edge of the angle iron 29 and the self-weight pressure of the material box 22, so that powder in the box cannot leak, the push plate 20 at the front end of the material box pushes the pressed compact which is demoulded and stays on the top of the female die to the shuttle groove 12 and flows into the lifting bucket 14 in the carriage 15 during the forward pushing process of the material box 22, and then the second shielding door 13 is closed; after the material box moves forward to the feeding position of the top of the female die, the third cylinder 40 enables the blades of the impeller 37 to swing back and forth through the rack 39 and the gear shaft 38, powder is scraped into the cavity hole 11-1, the material box 22 returns to the feeding position after filling is completed, the first shielding door 4 is closed, the upper cylinder 8 pushes the sliding block 7-3 and the upper punch 10 to move downwards, the upper punch 10 applies pressure to the powder in the cavity hole 11-1, the sliding block 7-3 and the upper punch 10 return to the original position after filling is completed, the lower cylinder 19 pushes the lower punch 18 upwards and returns to the original position, and the green compact is released from the die to stay on the top surface of the female die 11 to wait for the next round of pressing.
Referring to fig. 2, when the material of the pressed powder is changed, the material box 22 can be taken out for cleaning outside the machine by only screwing the column end screw 36 out of the vertical groove on the side wall of the material box 22 and pulling out the compressed air pipe on the fourth air cylinder 40, and the die is simple, light, cheap, easy to assemble and disassemble and convenient to change.
The dry powder of the pyrotechnic composition is prepared by appropriately drying the wet powder of the pyrotechnic composition after slurry treatment, so that the particles of the pyrotechnic composition reach an external dry and internal wet state, namely, the powder only needs to have good fluidity and can not stick to a mold and can not be completely dried, and the mechanical strength of the particles formed in the way can be accurately and quantitatively controlled by pressure adjustment during forming.
The production of pyrotechnic composition is the most core technology in the production of fireworks and is also the most lagging link at present. Due to the lack of sufficient safety guarantee, a large number of measures for dispersing and occupying the hill heads are adopted at present so as to prevent sympathetic explosions from passively reducing harm; the technology can implement remote control, has high automation degree, safety, reliability, good sanitary condition, high economic benefit and particularly good setting off effect, and provides possibility for reducing occupation of the land and implementing workshop production.
Claims (5)
1. The full-automatic forming unit for the pyrotechnic composition dry powder is characterized in that: a partition plate 6 is arranged on a machine base, a die set 7 is arranged on one side of the partition plate, the die set is composed of an upper cross beam 7-1, a sliding block 7-3, a bottom plate 7-4 and a vertical column 7-2 which are horizontally arranged, the upper cross beam 7-1 is fixedly connected with the bottom plate 7-4 and the vertical column 7-2, the sliding block 7-3 is slidably connected with the vertical column 7-2, an upper oil cylinder 8 is arranged on the upper cross beam 7-1 and is movably connected with the sliding block 7-3, an upper stamping 10 is arranged on the sliding block, the bottom plate 7-4 is fixed on a machine base 17, a female die 11 is arranged on the bottom plate 7-4 and is provided with a die cavity hole 11-1, a lower stamping 18 is arranged in the die cavity hole and is movably connected with a lower oil cylinder 19, and the upper stamping 10 and the die cavity hole 11-1 are, The lower punch 18 is coaxial with the lower punch, the lower end of the partition plate 6 is provided with a door opening 6-1, a first shielding door 4 is arranged at the door opening, and the first shielding door is movably connected with a first air cylinder 5 to open or close the door opening 6-1; the other side of the partition plate 6 is provided with a storage hopper 3, the storage hopper is fixed on an upper cross beam 7-1, the lower end of the storage hopper 3 is provided with an opening 3-1, a ball valve 2 is arranged at the opening 3-1 of the storage hopper, the ball valve is movably connected with a connecting rod 1 and a third cylinder 33, so that the ball valve 2 opens or closes the opening 3-1 of the storage hopper, and the lower end of the ball valve 2 is also provided with a ball valve funnel 32; a rectangular slide carriage 25 is arranged on the bottom plate 7-4, a material box 22 is arranged on the slide carriage, the material box is of a hollow square frame structure, a material box cover 23 is arranged above the material box 22, a material receiving funnel 31 is arranged on the material box cover, when the material box 22 is located at a charging position, the material receiving funnel 31 is in butt joint with an outlet of a ball valve funnel 32, angle irons 29 are arranged above and on one side edge of the material box 22, the angle irons are right-angle bent plates, horizontal edges are forked and cover the material box cover 23, bearing screws 30 are further arranged on the horizontal edges and correspond to the material box cover 23, T groove seats 28 are arranged on the vertical edges of the angle irons 29, the T groove seats are movably connected with a connecting rod 27 and a feeding oil cylinder 26, and one ends, close to the angle irons 29, of the connecting rod 27 are provided with T-shaped structures and fall into; a felt pad 24 is arranged below the material box 22 and is connected with the slide carriage 25 in a sliding way.
2. The pyrotechnic composition dry powder molding machine set as claimed in claim 1, wherein: the dry powder is obtained by properly drying the powder which is changed into a wet state after the pyrotechnic composition is subjected to slurry treatment, so that the powder particles reach an external dry internal wet state.
3. The pyrotechnic composition dry powder molding machine set as claimed in claim 1, wherein: an impeller 37 is arranged in the material box 22, the impeller is concentrically and fixedly connected with a gear shaft 38, one overhanging end of the gear shaft is provided with a gear 38-1, the gear is in transmission connection with a rack 39 and a fourth cylinder 40, the rack 39 and the fourth cylinder 40 are arranged on a bracket 41, and the bracket is fixed on the vertical edge of the angle iron 29.
4. The pyrotechnic composition dry powder molding machine set as claimed in claim 1, wherein: the side wall of one end of the material box 22 close to the angle iron 29 is provided with a vertical groove which is connected with the vertical edge of the angle iron 29 through a column end screw 36, a screw 35 and a connecting plate 34.
5. The pyrotechnic composition dry powder molding machine set as claimed in claim 1, wherein: the front end of the slide carriage 25 is provided with a shuttle groove 12, the outlet of the shuttle groove is in butt joint with a trolley 15, a carriage 15-1 of the trolley is of a closed box type structure, a lifting bucket 14 is arranged in the carriage, the top surface of the carriage 15-1 is provided with a second shielding door 13, and the second shielding door is in movable connection with a second air cylinder 16, so that the top of the carriage 15-1 is opened or closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911081248.4A CN110642660A (en) | 2019-11-07 | 2019-11-07 | Full-automatic forming unit for pyrotechnic composition dry powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911081248.4A CN110642660A (en) | 2019-11-07 | 2019-11-07 | Full-automatic forming unit for pyrotechnic composition dry powder |
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| Publication Number | Publication Date |
|---|---|
| CN110642660A true CN110642660A (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911081248.4A Pending CN110642660A (en) | 2019-11-07 | 2019-11-07 | Full-automatic forming unit for pyrotechnic composition dry powder |
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| CN (1) | CN110642660A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078178A (en) * | 2020-09-04 | 2020-12-15 | 太原理工大学 | Automatic die withdrawing type medicine pressing die |
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| RU2244700C2 (en) * | 2003-03-03 | 2005-01-20 | Федеральное государственное унитарное предприятие "Научно-исследовательский институт полимерных материалов" | Device for mixing of components of explosives and molding of items out of the mix |
| CN103964977A (en) * | 2013-02-04 | 2014-08-06 | 陈锐 | Special powder automatic filling device |
| CN104949583A (en) * | 2014-03-27 | 2015-09-30 | 陈锐 | Gunpowder ethyl alcohol blending unit |
| CN204779407U (en) * | 2015-02-02 | 2015-11-18 | 陈锐 | Multi -functional hybrid set of gunpowder powder |
| CN205448847U (en) * | 2016-03-17 | 2016-08-10 | 湖南安全技术职业学院 | Automatic medicine device that mixes of high sensitivity firework medicament |
| CN109553503A (en) * | 2018-12-19 | 2019-04-02 | 西安近代化学研究所 | The compound 4D printing equipment of explosive wastewater photo-thermal and forming method |
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2019
- 2019-11-07 CN CN201911081248.4A patent/CN110642660A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2244700C2 (en) * | 2003-03-03 | 2005-01-20 | Федеральное государственное унитарное предприятие "Научно-исследовательский институт полимерных материалов" | Device for mixing of components of explosives and molding of items out of the mix |
| CN103964977A (en) * | 2013-02-04 | 2014-08-06 | 陈锐 | Special powder automatic filling device |
| CN104949583A (en) * | 2014-03-27 | 2015-09-30 | 陈锐 | Gunpowder ethyl alcohol blending unit |
| CN204779407U (en) * | 2015-02-02 | 2015-11-18 | 陈锐 | Multi -functional hybrid set of gunpowder powder |
| CN205448847U (en) * | 2016-03-17 | 2016-08-10 | 湖南安全技术职业学院 | Automatic medicine device that mixes of high sensitivity firework medicament |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112078178A (en) * | 2020-09-04 | 2020-12-15 | 太原理工大学 | Automatic die withdrawing type medicine pressing die |
| CN112078178B (en) * | 2020-09-04 | 2022-08-26 | 太原理工大学 | Automatic die withdrawing type pressing die |
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Application publication date: 20200103 |
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