CN108917493B - Combustible metal powder heating, conveying and spraying device - Google Patents
Combustible metal powder heating, conveying and spraying device Download PDFInfo
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- CN108917493B CN108917493B CN201810991164.3A CN201810991164A CN108917493B CN 108917493 B CN108917493 B CN 108917493B CN 201810991164 A CN201810991164 A CN 201810991164A CN 108917493 B CN108917493 B CN 108917493B
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- heating
- metal powder
- combustible metal
- feeding
- spraying
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 121
- 239000000843 powder Substances 0.000 title claims abstract description 74
- 239000002184 metal Substances 0.000 title claims abstract description 60
- 238000005507 spraying Methods 0.000 title claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 239000000463 material Substances 0.000 claims abstract description 40
- 238000003860 storage Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 8
- 239000006052 feed supplement Substances 0.000 claims 2
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 2
- 238000009700 powder processing Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 7
- 238000010304 firing Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000026058 directional locomotion Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
- F42B4/18—Simulations, e.g. pine cone, house that is destroyed, warship, volcano
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to the technical field of powder processing machinery, in particular to a combustible metal powder heating, conveying and spraying device. The combustible metal powder heating, conveying and spraying device provided by the invention comprises a feeding mechanism, a feeding and heating mechanism and a spraying mechanism; the combustible metal powder material falls into a trough of the rotating body, the rotating body rotates to convey the combustible metal powder, and the combustible metal powder continuously rolls in the heating cavity under the action of self gravity in the conveying process, so that the purpose of full heating is achieved, the powder can be heated to an ignition point generally, and the combustion rate is high; the combustible metal powder material which is heated and ignited is sent to the discharge hole at the bottom of the feeding and heating mechanism along the circumferential direction, the trend of feeding is from top to bottom in the feeding process, the direction of gravity of the combustible metal powder material is the same as that of the material, the combustible metal powder material cannot be blocked, and the powder is effectively prevented from accumulating and remaining in the heating cavity.
Description
Technical Field
The invention relates to the technical field of powder processing machinery, in particular to a combustible metal powder heating, conveying and spraying device.
Background
At present, some conventional equipment and methods can be adopted for powder conveying, and in the field of processing and conveying of some special powder materials, special equipment is required due to different particle sizes of powder, heating working conditions and other factors. The powdery material heating eruption device for eruption of the cold fireworks has the main advantages that the powdery material heating eruption device is a safe, environment-friendly and novel entertainment consumer product, has gorgeous color in the setting-off process, can be flexibly controlled through an electronic control system, can be matched with sound effect design, can make a unique artistic eruption model, can perfectly correspond to the theme of entertainment and celebration programs, and makes the activity unique. Meanwhile, compared with the traditional fireworks, the firework has the advantages of high safety, high brightness, small smoke, environmental protection, no pollution, randomly adjustable setting-off height and the like, and achieves the purpose of use in indoor environment, so that the firework is also touted by a plurality of young consumers in private parties and holiday entertainment.
However, the combustible metal powder heating eruption equipment that holds in the existing market, single function and ubiquitous structural design are complicated, and volume, weight are big, and the use is because design defect leads to equipment operation unstable, and danger coefficient is big, appears card material easily, erupts discontinuous, a great deal of uncontrollable defect such as cold firework consumable firing rate low to hardly guarantee expected effect.
Accordingly, in view of the above drawbacks, it is desirable to provide a combustible metal powder heat delivery and spray device.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to solve the technical problems of unstable operation, large danger coefficient, easy occurrence of material clamping, discontinuous spraying and low consumable combustion rate of the prior art by providing a combustible metal powder heating, conveying and spraying device.
(II) technical scheme
In order to solve the technical problems, the invention provides a combustible metal powder heating, conveying and spraying device, which comprises a feeding mechanism, a feeding and heating mechanism and a spraying mechanism; the feeding mechanism is communicated with the feeding heating mechanism to convey the combustible metal powder material to the feeding heating mechanism; the feeding heating mechanism comprises a heating cavity and a rotating body positioned in the heating cavity, a trough for accommodating feeding is arranged on the rotating surface of the rotating body, a discharge hole communicated with the spraying mechanism is arranged at the bottom of the heating cavity, and the heating cavity or/and the rotating body are in contact with a heating element to form a high-temperature body so as to heat the combustible metal powder material in the trough; the spraying mechanism is communicated with the discharge port so as to convey the heated combustible metal powder outwards and achieve the spraying effect.
The device further comprises a driving unit, wherein the driving unit is connected with the rotating body to drive the rotating body to rotate.
The rotary body is of a disc structure, and the plurality of feed grooves are uniformly formed in the outer circumferential surface of the disc structure.
Wherein, inlay in the heating cavity and establish heating element or heating element is attached to the surface of heating cavity.
Wherein the heating element is a heating rod, a heating ring, a heating sheet or a heating belt.
Wherein the heating element is an electromagnetic heater, a microwave heater or an arc heater.
The spraying mechanism comprises a fan and a spraying pipe communicated with the fan, and a connecting port communicated with the discharge port is formed in the side wall of the spraying pipe.
The connecting port is communicated with the discharging port through a discharging pipe.
The feeding mechanism comprises a storage bin, a supporting block and a blanking block, wherein the supporting block and the blanking block are arranged in the storage bin, the supporting block is arranged at the bottom of the storage bin, a blanking channel is arranged in the supporting block, the top end face of the supporting block is an upwards-protruding conical surface, the bottom end face of the blanking block is an upwards-recessed conical surface, an arc-shaped material lifting through groove is formed in the bottom end face of the blanking block, and the arc-shaped material lifting through groove is communicated with the blanking channel.
The feeding device further comprises a feeding motor, a plurality of arc-shaped lifting through grooves are arranged in a central symmetry mode, and the feeding block is elastically connected with the feeding motor in the axial direction.
(III) beneficial effects
The technical scheme of the invention has the following advantages: in the combustible metal powder heating, conveying and spraying device provided by the invention, a combustible metal powder material enters a heating cavity through a feeding mechanism and falls into a trough of a rotating body, the rotating body rotates to convey the combustible metal powder, the combustible metal powder continuously rolls in the heating cavity under the action of self gravity in the conveying process, and the heating cavity or/and the rotating body is/are contacted with a heating element to form a high-temperature body, so that the purpose of fully heating the combustible metal powder is achieved while the combustible metal powder continuously rolls, the powder can be generally heated to a burning point, and the combustion rate is high; the combustible metal powder material ignited by heating is sent to the discharge hole at the bottom of the feeding heating mechanism along the circumferential direction, the trend of material conveying in the feeding process is from top to bottom, the direction of gravity of the material is the same as that of the material, and the powder freely slides down on the circumferential surface and simultaneously has a continuously oriented movement trend through the rotating body, so that continuous and stable material conveying is realized, the material is not blocked, the accumulation residue of the powder in the heating cavity is effectively avoided, and meanwhile, the rotating speed of the feeding motor can be adjusted according to the difference of ignition points so as to control the heating time and temperature of the combustible metal powder, and the combustion rate of the combustible metal powder is effectively ensured.
Drawings
FIG. 1 is a schematic view of a device for heating, transporting and spraying combustible metal powder according to an embodiment of the invention;
FIG. 2 is a schematic view of another embodiment of a combustible metal powder heating delivery and firing device;
FIG. 3 is a schematic view of a further embodiment of a combustible metal powder heating delivery and firing device;
FIG. 4 is a schematic perspective view of a feeding and heating mechanism in a combustible metal powder heating, conveying and spraying device according to an embodiment of the invention;
FIG. 5 is a schematic side view of a feeding heating mechanism of a combustible metal powder heating delivery and firing device according to an embodiment of the present invention;
FIG. 6 is a schematic view of the cross-sectional structure A-A of FIG. 5;
FIG. 7 is a schematic diagram of the structure of a blanking block in a combustible metal powder heating, transporting and spraying device according to an embodiment of the invention;
FIG. 8 is a schematic view of the bottom end surface of a blanking block in a combustible metal powder heating delivery and firing apparatus according to an embodiment of the invention;
FIG. 9 is a schematic top view of a support block in a combustible metal powder heat delivery and firing device according to an embodiment of the invention.
In the figure: 1. a storage bin; 2. a blanking channel; 3. a driving motor; 4. a feeding heating mechanism; 5. a blower; 6. a discharge pipe; 7. a spray pipe; 8. a drive shaft; 9. discharging a material block; 10. a cross bar mounting hole; 11. arc-shaped material lifting through grooves; 13. a support block; 41. a rotating body; 42. a heating cavity; 43. a heating rod; 44. a feed opening; 45. a discharge port; 411. a trough.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 6, the combustible metal powder heating, conveying and spraying device provided by the embodiment of the invention comprises a feeding mechanism, a feeding and heating mechanism 4 and a spraying mechanism; the feeding mechanism is communicated with the feeding heating mechanism 4 to convey the combustible metal powder material to the feeding heating mechanism 4; the feeding heating mechanism 4 comprises a heating cavity 42 and a rotating body 41 positioned in the heating cavity 42, a feeding trough 411 (the trough 411 is used for accommodating a feeding material and passes through a discharging opening 44 at the top of the heating cavity 42) is arranged on the rotating surface of the rotating body 41, a discharging opening 45 communicated with the spraying mechanism is arranged at the bottom of the heating cavity 42, and the heating cavity 42 and/or the rotating body 41 are/is contacted with a heating element to form a high-temperature body so as to heat the combustible metal powder material in the trough 411; the spraying mechanism is communicated with the discharge hole 45 so as to convey the heated combustible metal powder outwards and achieve the spraying effect.
In the above embodiment, the combustible metal powder material enters the heating cavity 42 through the feeding mechanism and falls into the trough 411 of the rotating body 41, the rotating body 41 rotates to carry the combustible metal powder, and in the process of carrying the combustible metal powder, the combustible metal powder continuously rolls over in the heating cavity 42 due to the self gravity effect, and the heating cavity 42 or/and the rotating body 41 form a high-temperature body through heat transfer, so that the combustible metal powder can be heated to an ignition point continuously and simultaneously, the powder can be heated to an ignition point generally, the heated and ignited combustible metal powder material is sent to the discharge hole 45 at the bottom of the feeding heating mechanism 4 along the circumferential direction, and the powder has a continuous directional movement trend through the rotating body 41 while freely sliding on the circumferential surface, so that the continuous and stable material conveying is realized, the accumulation residue of the powder in the heating cavity 42 is effectively avoided, and meanwhile, the heating time and the heating temperature of the combustible metal powder can be controlled according to different ignition points, and the combustion rate of the combustible metal powder is effectively ensured.
Specifically, a driving unit is further included, and is connected to the rotating body 41 to drive the rotating body 41 to rotate. The drive unit is in particular a drive motor 3, the motor shaft of the drive motor 3 being connected to a rotation body 41 via a drive shaft 8. The time and temperature of the combustible metal powder heating can be controlled by adjusting the rotating speed of the feeding motor.
Preferably, the rotating body 41 is a disc structure, and the plurality of slots 411 are uniformly formed on the outer circumference of the disc structure, so that the outer circumference of the disc structure forms a tooth surface. The setting of the tooth surface, processing is simple convenient, and the silo 411 of tooth surface (or called tooth's socket) can hold combustible metal powder, has increased the area of contact of material and swivel face, and the rapid heating of being convenient for heaies up, simultaneously, can play the effect of holding the propulsion in the transportation of material, has realized the continuous stability of defeated material.
Preferably, the heating cavity 42 has a heating element embedded therein or the heating cavity 42 has a heating element attached to a surface thereof. The heating element is specifically a heating element such as a heating rod 43, a heating ring, a heating sheet or a heating belt, and the overall temperature rise of the heating cavity 42 is realized by the arrangement of the heating element.
Further, the heating element is an arc heater, a microwave heater or an electromagnetic heater. In the present invention, the heating mode is not limited to one or several modes, and it is the scope of the present invention as long as the heating temperature of the heating chamber 42 can be raised.
The arrangement of the heating element described above is also applicable to the rotary body 41.
Specifically, the spraying mechanism comprises a fan 5 and a spraying pipe 7 communicated with the fan 5, and a connecting port communicated with the discharge port 45 is formed in the side wall of the spraying pipe 7. After the material reaching the ignition point enters the spray pipe 7 through the discharge hole 45, the burnt material is sprayed out of the spray pipe 7 under the wind power of the fan 5 to form various fireworks.
Specifically, as shown in fig. 1, the connection port is communicated with the discharge port 45 through a discharge pipe 6. Through the setting of discharging pipe 6, the mode of setting up for pay-off heating mechanism 4 of eruption mechanism is more nimble, erupts the rotatable or swing of mechanism, adapts to different fireworks and sets off the operating mode. Of course, the lower end of the feeding heating mechanism 4 can be directly communicated with the spraying pipe without arranging the discharging pipe 6, and the spraying effect is better because the conveying stroke of the fuel reaching the ignition point is reduced.
As shown in fig. 3, the outlet of the spray pipe of the present invention may be directed downward to form a firework pattern in the form of a waterfall.
Preferably, as shown in fig. 7-9, the feeding mechanism comprises a storage bin 1, and a supporting block 13 and a blanking block 9 which are arranged in the storage bin 1, wherein the supporting block 13 is arranged at the bottom of the storage bin 1, a blanking channel 2 is arranged in the supporting block 13, the top end surface of the supporting block 13 is an upwards-protruding conical surface, the bottom end surface of the blanking block 9 is an upwards-recessed conical surface, the bottom end surface of the blanking block 9 is provided with an arc-shaped material lifting through groove 11, and the arc-shaped material lifting through groove 11 is communicated with the blanking channel 2; the arc lifting through grooves 11 are arranged in a central symmetry mode, the feeding block 9 is connected with a feeding motor, a motor shaft of the feeding motor is elastically connected with the feeding block 9 in the axial direction to realize flexible matching of the feeding block 9 and the supporting block 13, specifically, a fork groove is formed in the shaft end of the motor, a cross rod matched with the fork groove is arranged on the feeding block 9 (the cross rod is installed through a cross rod installation hole 10 in the feeding block 9), and a spring is sleeved on the motor shaft.
In the embodiment of the invention, the concave conical surface of the bottom end surface of the blanking block 9 is matched with the upward convex conical surface of the top end of the blanking support block 13, the flexible lamination of the concave-convex surface is realized through the spring, and when the feeding motor is not started, powder cannot move upwards through the arc-shaped lifting through groove 11 to enter the blanking channel 2 to fall; when the motor is started, the combustible metal powder is lifted upwards through the arc lifting through groove 11 of the blanking block 9 to enter the blanking channel 2 in a rotating mode, and the purpose that the powder uniformly falls is achieved. The invention has simple design structure, convenient installation, light weight and low requirement on the dimensional accuracy of each part, adopts flexible design, and can randomly adjust the pressing force when the size of powder particles changes so as to ensure the uniformity, the continuity and the stability of the blanking amount.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (7)
1. The combustible metal powder heating, conveying and spraying device is characterized by comprising a feeding mechanism, a feeding and heating mechanism and a spraying mechanism; the feeding mechanism is communicated with the feeding heating mechanism to convey the combustible metal powder material to the feeding heating mechanism; the feeding heating mechanism comprises a heating cavity and a rotating body positioned in the heating cavity, a trough for accommodating feeding is arranged on the rotating surface of the rotating body, a discharge hole communicated with the spraying mechanism is arranged at the bottom of the heating cavity, and the heating cavity or/and the rotating body are in contact with a heating element to form a high-temperature body so as to heat the combustible metal powder material in the trough; the spraying mechanism is communicated with the discharge port so as to convey the heated combustible metal powder outwards and achieve the spraying effect;
The driving unit is connected with the rotating body to drive the rotating body to rotate;
the feeding mechanism comprises a storage bin, a supporting block and a blanking block, wherein the supporting block and the blanking block are arranged in the storage bin, the supporting block is arranged at the bottom of the storage bin, a blanking channel is arranged in the supporting block, the top end surface of the supporting block is a conical surface protruding upwards, the bottom end surface of the blanking block is a conical surface recessed upwards, an arc-shaped lifting through groove is formed in the bottom end surface of the blanking block, and the arc-shaped lifting through groove is communicated with the blanking channel;
Still include the feed supplement motor, a plurality of the arc is carried the material and is led to the groove and be central symmetry setting, unloading piece and feed supplement motor are in axial elastic connection.
2. The combustible metal powder heating, conveying and spraying device according to claim 1, wherein the rotating body is a disc structure, and the plurality of material tanks are uniformly arranged on the outer circumferential surface of the disc structure.
3. The combustible metal powder heating delivery and spray device of claim 1 wherein a heating element is embedded in the heating cavity or attached to a surface of the heating cavity.
4. A combustible metal powder heating delivery and spray device as in claim 3 wherein the heating element is a heating rod, a heating ring, a heating fin or a heating band.
5. The combustible metal powder heating delivery and spray device of claim 4 wherein the heating element is an electromagnetic heater, a microwave heater, or an arc heater.
6. The combustible metal powder heating, conveying and spraying device according to claim 1, wherein the spraying mechanism comprises a fan and a spraying pipe communicated with the fan, and a connecting port communicated with the discharge port is formed in the side wall of the spraying pipe.
7. The combustible metal powder heating delivery and injection device of claim 6, wherein the connection port communicates with the discharge port through a discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991164.3A CN108917493B (en) | 2018-08-28 | 2018-08-28 | Combustible metal powder heating, conveying and spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810991164.3A CN108917493B (en) | 2018-08-28 | 2018-08-28 | Combustible metal powder heating, conveying and spraying device |
Publications (2)
| Publication Number | Publication Date |
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| CN108917493A CN108917493A (en) | 2018-11-30 |
| CN108917493B true CN108917493B (en) | 2024-05-31 |
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| CN201810991164.3A Active CN108917493B (en) | 2018-08-28 | 2018-08-28 | Combustible metal powder heating, conveying and spraying device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160405A (en) * | 2019-07-11 | 2019-08-23 | 湖南孝文电子科技有限公司 | A kind of heating equipment for cool flame fire-fighting hair equipment |
| CN111520741A (en) * | 2020-04-30 | 2020-08-11 | 湖南尚花科技有限公司 | Metal powder ignition device |
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| WO2018133396A1 (en) * | 2017-01-19 | 2018-07-26 | 广州迪杰帕尔电子科技有限公司 | Material dropping apparatus for cold firework eruption machine, and eruption machine |
| CN207763584U (en) * | 2018-01-15 | 2018-08-24 | 浏阳市孝文电子科技有限公司 | A kind of cool flame fire equipment |
| CN209116877U (en) * | 2018-08-28 | 2019-07-16 | 刘兴超 | A kind of combustibility metal powder heated transportation and spraying device |
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2018
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Patent Citations (7)
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| CN103010607A (en) * | 2012-12-04 | 2013-04-03 | 张家港市繁昌机械有限公司 | Storage bin with diversion device |
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| CN108917493A (en) | 2018-11-30 |
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