CN204555839U - A kind of fireworks auto feeding device - Google Patents
A kind of fireworks auto feeding device Download PDFInfo
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- CN204555839U CN204555839U CN201420818987.3U CN201420818987U CN204555839U CN 204555839 U CN204555839 U CN 204555839U CN 201420818987 U CN201420818987 U CN 201420818987U CN 204555839 U CN204555839 U CN 204555839U
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Abstract
The utility model provides a kind of fireworks auto feeding device, and comprise charging parts, conveying device and blast wall, charging parts and conveying device are arranged on the both sides of blast wall respectively; Blast wall is provided with window, dodge gate and the first cylinder, is controlled the Kai Heguan of dodge gate by the first cylinder; Charging parts comprise frame, the second cylinder and loader, and the upper surface of frame is provided with work top, and loader is arranged on directly over work top by connector; Conveying device comprises belt conveyor, the 3rd cylinder and bracing frame, and belt conveyor is arranged on bracing frame, and its upper surface and window be positioned in same level bottom.The utility model overall structure is simplified; The design of blast wall, makes filled raw material away from production line, guarantees the security of production process; Open or close dodge gate by the first cylinder, it is convenient to control; The design of the second cylinder and the 3rd cylinder, can realize accurate charging and the superfast loading of fireworks tube group, practical.
Description
Technical field
The utility model relates to fireworks manufacturing equipment field, especially, relates to a kind of fireworks auto feeding device.
Background technology
At present, fireworks, firecracker liking deeply by broad masses, along with the raising of people's living standard, the demand of fireworks, firecracker is also along with improve.
In early days, fireworks are independently operated by single machinery and finally complete, as rotary machine, group basin machine, manually load emitter, packaging etc., its production efficiency is lower, and the operation of dress military project nitre, substantially adopt manual powder charge, if misoperation, likely cause the huge blast of power occurs, thus cause great economic loss.
Afterwards, certain research that had person skilled to do, as application number be 201320276898.6 patent discloses a kind of filling propellant powder device for fireworks charging machine, it comprises conveyer belt, powder charge mechanism, there is the hopper of blanking port and drive the driving mechanism of conveyer belt intermittent operation, hopper is arranged on the top of conveyer belt head end, powder charge mechanism is arranged on the periphery of conveyer belt tail end, powder charge mechanism comprises charge body, upper clamp assembly, lower clamp assembly, the flexible pipe of multiple filling propellant powder and the cylinder that charge body can be moved around at conveyer belt tail end blanking place and fixed point fireworks tube place, multiple flexible pipe is arranged in charge body, upper clamp assembly and lower clamp assembly are also arranged in charge body, and conducting or grip both hose.Although technique to a certain degree can realize automatic charge in Shangdi, improve production efficiency, there is following defect: (1) propellant powder and fireworks tube conveying device exist in a space, there is very large potential safety hazard; (2) propellant powder filled also does not obtain by weighing accurately, and its accuracy is not high especially, thus affects the quality that it produces the product of gained.
Utility model content
The utility model object be to provide a kind of structure is simplified, security performance is high and charging precisely, fireworks auto feeding device fast, concrete technical scheme is as follows:
A kind of fireworks auto feeding device, comprise charging parts, conveying device and blast wall, described charging parts and described conveying device are arranged on the both sides of described blast wall respectively;
Described blast wall is provided with window, dodge gate and the first cylinder, and the size of described window and the size of fireworks tube group match, and described dodge gate is of a size of the 1.0-1.5 of the size of described window doubly; Described first cylinder is arranged on directly over described window; Described dodge gate is arranged on the push rod of described first cylinder bottom;
Described charging parts comprise frame, the second cylinder and loader, the upper surface of described frame is provided with the work top be positioned at bottom in same level with described window, first side of the adjacent described blast wall in side of described work top is arranged, and described loader is arranged on directly over described work top by connector; Described second cylinder is horizontally set in described frame; Described loader comprises support arm, upper cover plate, lower cover and charging hopper, and described upper cover plate is movably arranged on described connector by support arm; Described lower cover concentric is hinged on the lower surface of described upper cover plate; The upper end of described charging hopper is arranged on the lower surface of described lower cover, and its central axis is perpendicular to the plane at the upper surface place of described work top; The distance arriving the upper surface of the described work top bottom 0.05-2.0 centimetre larger than the height of fireworks tube group of described charging hopper;
Described conveying device comprises belt conveyor, the 3rd cylinder and bracing frame, and described belt conveyor is arranged on support frame as described above, and its upper surface and described window be positioned in same level bottom; The side of described belt conveyor is arranged near the second side of described blast wall;
The central axis of the push rod of described second cylinder and described window along blast wall thickness direction central axis between and described 3rd cylinder push rod central axis and described window along blast wall thickness direction central axis between all parallel;
When the push rod of described second cylinder is positioned at foremost, the front end face of described push rod and the distance of described second side are 0; When the push rod of described 3rd cylinder is positioned at foremost, the front end face of described push rod and the distance of described first side are 0.
Preferred in above technical scheme, described charging hopper comprises cavity, the first baffle plate, funnel, second baffle and weighing apparatus, and the lower end of described cavity is provided with the first opening part; Described first baffle plate is arranged on immediately below described cavity by four-cylinder, and itself and described first opening part concentric are arranged; Described funnel concentric is arranged on immediately below described first baffle plate; Described second baffle is arranged on immediately below described funnel by the 5th cylinder, and the opening part concentric of itself and described funnel lower end is arranged; Described weighing apparatus concentric is arranged on the lower surface of described second baffle;
The upper surface of described first baffle plate and described first opening part bottom between distance and the upper surface of described second baffle and the opening part of described funnel lower end bottom between distance be 0-0.5 centimetre;
In the plane of the central axis perpendicular to described cavity, the cross-sectional area of the cross-sectional area of described first opening part and the opening part of described funnel lower end is the 0.1-0.5 of the cross-sectional area of described cavity doubly; The cross-sectional area of described first opening part is less than or equal to the cross-sectional area of described first baffle plate; The cross-sectional area of the opening part of described funnel lower end is less than or equal to the cross-sectional area of described second baffle.
Preferred in above technical scheme, the upper surface of described first baffle plate and described first opening part bottom between distance and the upper surface of described second baffle and the opening part of described funnel lower end bottom between distance be 0.
Preferred in above technical scheme, in the plane of the central axis perpendicular to described cavity, the cross-sectional area of the cross-sectional area of described first opening part and the opening part of described funnel lower end is 0.2 times of the cross-sectional area of described cavity.
Preferred in above technical scheme, described belt conveyor is provided with at least 2 positioning elements side by side, and described positioning element is arranged perpendicular to the direction of advance of described belt conveyor; Distance between adjacent two described positioning elements and the width of fireworks tube group match.
Preferred in above technical scheme, the height of described positioning element is 0.5-2.0 centimetre; The shape of described positioning element is square structure or arcuate structure.
In order to reach better technique effect, also comprise controller, described first cylinder, the second cylinder, the 3rd cylinder, four-cylinder and the 5th cylinder are all connected with described controller.
Application the technical solution of the utility model, has following beneficial effect:
(1) fireworks auto feeding device of the present utility model comprises charging parts, conveying device and blast wall, charging parts comprise frame, the second cylinder and loader, conveying device comprises belt conveyor, the 3rd cylinder and bracing frame, and overall structure is simplified; Charging parts and conveying device are arranged on the both sides of blast wall respectively, charging parts and conveying device are separated, make filled raw material away from production line, guarantee the security of production process by blast wall; Blast wall is provided with window, dodge gate and the first cylinder, opens or closes dodge gate by the first cylinder, and it is convenient to control; Loader is undertaken controlling by the second cylinder and conveying device is provided with the 3rd cylinder, can realize accurate charging and the superfast loading of fireworks tube group, practical.
(2) in the utility model, charging hopper comprises cavity, the first baffle plate, funnel, second baffle and weighing apparatus, the reasonable in design of charging hopper; It is more accurate that charging is convenient in the design of weighing apparatus; First baffle plate and second baffle are all controlled by cylinder, handled easily; The position of the first baffle plate and second baffle and the size of the first opening part arrange rationally, can realize preventing from revealing without the sealing completely of when filling with substance raw material, can guarantee again the accuracy of feeding better.
(3) in the utility model, belt conveyor is provided with at least 2 positioning elements side by side, the location of fireworks tube group is convenient in the design of positioning element, thus realizes the accurate charging of fireworks tube group, greatly improves its quality and operating efficiency; The height of positioning element is 0.5-2.0 centimetre, and the shape of positioning element is square structure or arcuate structure, and reasonable in design, can realize the location of fireworks tube group, can play good aesthetic again, and easy to process.
(4) the utility model also comprises controller, and the first cylinder, the second cylinder, the 3rd cylinder, four-cylinder and the 5th cylinder are all connected with controller, realize the automation of charging process, greatly enhance productivity.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the utility model preferred embodiment 1 fireworks auto feeding device;
Fig. 2 is the part-structure schematic diagram of belt conveyor in Fig. 1;
Fig. 3 is the cross-sectional view of charging hopper in Fig. 1;
1-feeds parts, 11-frame, 111-work top, 12-second cylinder, 13-loader, 131-support arm, 132-upper cover plate, 133-lower cover, 134-charging hopper, 14-connector, 2-conveying device, 21-belt conveyor, 211-positioning element, 22-the 3rd cylinder, 23-bracing frame, 3-blast wall, 31-window, 32-dodge gate, 33-first cylinder, 34-first side, 35-second side, A1-cavity, A11-first opening part, A2-first baffle plate, A3-funnel, A4-second baffle, A5-weighing apparatus, A6-four-cylinder, A7-the 5th cylinder, 4-ground, 5-fireworks tube group,
The central axis of the push rod of L1-second cylinder, the central axis of L2-window, the central axis of L3-charging hopper, the central axis of the push rod of L4-the 3rd cylinder, the central axis of L5-cavity.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can limit according to claim and cover is implemented.
Embodiment 1:
A kind of fireworks auto feeding device, refers to Fig. 1, and comprise charging parts 1, conveying device 2, blast wall 3 and controller, overall structure is simplified.
Described charging parts 1 and described conveying device 2 are arranged on the both sides of described blast wall 3 respectively, by blast wall, charging parts and conveying device are separated, make filled raw material away from production line, guarantee the security of production process, even if process portion is blasted, also can not have influence on other operations, greatly reduce risk.
Described blast wall 3 is provided with window 31, dodge gate 32 and the first cylinder 33, and the size of described window 31 and the size of fireworks tube group to be feeded match, and described dodge gate 32 is of a size of the 1.0-1.5 of the size of described window 31 doubly; Described first cylinder 33 is arranged on directly over described window 31; Described dodge gate 32 is arranged on the push rod of described first cylinder 33 bottom, and fireworks tube group successfully can realize charging and following process through window 31; Controlled the Kai Heguan of dodge gate by the first cylinder, be both convenient to control, raw material and the fireworks tube group conveying device of being convenient to again realization charging are isolated, and guarantee the security performance of production process.
Described charging parts 1 comprise frame 11, second cylinder 12 and loader 13, the upper surface of described frame 11 is provided with the work top 111 be positioned at bottom in same level with described window 31, first side 34 of the adjacent described blast wall 3 in side of described work top 111 is arranged, described loader 13 is arranged on directly over described work top 111 by connector 14, work top 111 flushes with window, is convenient to fireworks tube group and is sent to smoothly on work top; Loader 13 is arranged on directly over work top 111, has been convenient to charging process.
Described second cylinder 12 is horizontally set in described frame 11, and the setting of the second cylinder is convenient to the fireworks tube group after by charging and is returned on belt conveyor, enters subsequent handling.
Described loader 13 comprises support arm 131, upper cover plate 132, lower cover 133 and charging hopper 134, described upper cover plate 132 is movably arranged on described connector 14 by support arm 131, preferably connector 14 is vertically provided with chute, one end of described support arm 131 is provided with the clamp matched with described chute, is realized the freely up and down slip of whole loader 13 by the cooperation of clamp and chute; Described lower cover 133 concentric is hinged on the lower surface of described upper cover plate 132; The upper end of described charging hopper 134 is arranged on the lower surface of described lower cover 133, and its central axis L3 is perpendicular to the plane at the upper surface place of described work top 111, charging hopper is vertically arranged, and is convenient to the raw material of its inside to load in each monotubular of fireworks tube group; The distance d1 arriving the upper surface of the described work top 111 bottom 0.05-2.0 centimetre larger than the height of fireworks tube group 5 to be feeded of described charging hopper 134, avoid the bottom contact fireworks tube group of charging hopper, the potential safety hazard that raw material causes because height of drop is too high can be prevented again, reduce friction, pollute etc., improve its security performance.
Described charging hopper 134 preferably adopts following structure: refer to Fig. 3, specifically comprises cavity A1, the first baffle plate A2, funnel A3, second baffle A4 and weighing apparatus A5, and the lower end of described cavity A1 is provided with the first opening part A11; Described first baffle plate A2 is arranged on immediately below described cavity A1 by four-cylinder A6, and itself and described first opening part A11 concentric are arranged; Described funnel A3 concentric is arranged on immediately below described first baffle plate A2; Described second baffle A4 is arranged on immediately below described funnel A3 by the 5th cylinder A7, and the opening part concentric of itself and described funnel A3 lower end is arranged; Described weighing apparatus A5 concentric is arranged on the lower surface of described second baffle A4.
The upper surface of described first baffle plate A2 and described first opening part A11 bottom between distance and the upper surface of described second baffle A4 and the opening part of described funnel A3 lower end bottom between distance be 0-0.5 centimetre, preferably 0 centimetre.
In the plane of the central axis L5 perpendicular to described cavity A1, the cross-sectional area of the cross-sectional area of described first opening part A11 and the opening part of described funnel A3 lower end is the 0.1-0.5 of the cross-sectional area of described cavity A1 doubly, preferably 0.2 times; The cross-sectional area of described first opening part A11 is less than or equal to the cross-sectional area of described first baffle plate A2; The cross-sectional area of the opening part of described funnel A3 lower end is less than or equal to the cross-sectional area of described second baffle A4, the position, size etc. of the first baffle plate, second baffle and the first opening part arrange rationally, can realize preventing from revealing without the sealing completely of when filling with substance raw material, the accuracy of feeding can be guaranteed again better.
In the structure of above charging hopper 134: by the design of the first baffle plate and second baffle, its size and position, be convenient to prevent raw material from revealing; The design of weighing apparatus A5 is convenient to realize feeding accurately; The design of four-cylinder A6 and the 5th cylinder A7 is convenient to control, handled easily.
Described conveying device 2 comprises belt conveyor 21, the 3rd cylinder 22 and bracing frame 23, and described belt conveyor 21 is arranged on support frame as described above 23, and its upper surface and described window 31 be positioned in same level bottom; The side of described belt conveyor 21 is arranged near the second side 35 of described blast wall 3; Described belt conveyor 21 is provided with at least 2 positioning elements 211 side by side, refers to Fig. 2, described positioning element 211 is arranged perpendicular to the direction of advance of described belt conveyor 21; Distance d2 between adjacent two described positioning elements 211 matches with the width of fireworks tube group to be feeded; The location of fireworks tube group is convenient in the design of positioning element, thus realizes the accurate charging of fireworks tube group, greatly improves its quality and operating efficiency; The height of described positioning element 211 is 0.5-2.0 centimetre, and its shape is square structure or arcuate structure, the height of positioning element is 0.5-2.0 centimetre, the shape of positioning element is square structure or arcuate structure, reasonable in design, the location of fireworks tube group can be realized, good aesthetic can be played again, and easy to process; The both sides of described belt conveyor 21 are preferably provided with baffle plate, prevent fireworks tube group from dropping from belt conveyor.
The central axis L1 of the push rod of described second cylinder 12 and described window 31 along blast wall 3 thickness direction central axis L2 between and described 3rd cylinder 22 push rod central axis L4 and described window 31 along blast wall 3 thickness direction central axis L2 between all parallel.
When the push rod of described second cylinder 12 is positioned at foremost, the front end face of described push rod and the distance of described second side 35 are 0; When the push rod of described 3rd cylinder 22 is positioned at foremost, the front end face of described push rod and the distance of described first side 34 are 0.
Blast wall 3, frame 11 and bracing frame 23 be set directly on ground 4 bottom, good stability.
Described first cylinder 33, second cylinder 12, the 3rd cylinder 22, four-cylinder A6 and the 5th cylinder A7 are all connected with described controller.
Apply fireworks auto feeding device of the present utility model, specific works process is as follows: the fireworks tube group 5 difference proper alignment (positioning element 211 plays the role of positioning) on belt conveyor 21 one by one to be feeded that (1) gets off from production line; (2) when fireworks tube group 5 arrives the position of window 31, while first cylinder 33 opens dodge gate 32, fireworks tube group 5 is delivered on work top 111 by the push rod of the 3rd cylinder 22, and make fireworks tube group 5 be sitting at immediately below charging hopper 134, the pusher retracted of the 3rd cylinder 22, the first cylinder 33 closes dodge gate 32; (3) support arm 131 drives loader 13 to move downward, and makes the distance arriving the upper surface of fireworks tube group 5 bottom of charging hopper 134 suitable; (4) four-cylinder A6 control the first baffle plate A2 and leave from the first opening part A11, the raw material of cavity A1 is made to fall into funnel A3 through the first opening part A11, weighing apparatus A5 weighs the weight falling into the raw material of funnel A3, during predetermined weight to be achieved, four-cylinder A6 controls while the first baffle plate A2 seals the first opening part A11,5th cylinder A7 controls second baffle A4 and leaves from the lower ending opening of funnel A3, thus makes raw material drop in the monotubular of fireworks tube group 5 smoothly; (5) load after fireworks tube group 5 completely until load weighted raw material, 5th cylinder A7 controls the lower ending opening place of second baffle A4 sealing funnel A3, first cylinder 33 opens dodge gate 32, the push rod of the second cylinder 12 promotes fireworks tube group 5 and is back on belt conveyor 21, and just between two positioning elements 211; (6) first cylinders 33 close dodge gate 32, and fireworks tube group is transported to next process by belt conveyor 21.
Before charging, lower cover 133 and upper cover plate 132 are opened, in the cavity A1 of charging hopper 134, loads onto a certain amount of raw material to be installed.
In above-mentioned whole process, each alleged material quantity of weighing apparatus number arrange in controller in advance; The actions such as the first cylinder 33, second cylinder 12, the 3rd cylinder 22, four-cylinder A6 and the 5th cylinder A7 are all controlled by controller.Whole technical process is simplified, and security is high, and can realize precisely charging, practical.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a fireworks auto feeding device, it is characterized in that: comprise charging parts (1), conveying device (2) and blast wall (3), described charging parts (1) and described conveying device (2) are arranged on the both sides of described blast wall (3) respectively;
Described blast wall (3) is provided with window (31), dodge gate (32) and the first cylinder (33), the size of described window (31) and the size of fireworks tube group match, and described dodge gate (32) is of a size of the 1.0-1.5 of the size of described window (31) doubly; Described first cylinder (33) is arranged on the top of described window (31); Described dodge gate (32) is arranged on the push rod of described first cylinder (33) bottom;
Described charging parts (1) comprise frame (11), the second cylinder (12) and loader (13), the upper surface of described frame (11) is provided with the work top (111) be positioned at bottom in same level with described window (31), first side (34) of the adjacent described blast wall (3) in side of described work top (111) is arranged, and described loader (13) is arranged on directly over described work top (111) by connector (14); Described second cylinder (12) is horizontally set in described frame (11); Described loader (13) comprises support arm (131), upper cover plate (132), lower cover (133) and charging hopper (134), and described upper cover plate (132) is movably arranged on described connector (14) by support arm (131); Described lower cover (133) concentric is hinged on the lower surface of described upper cover plate (132); The upper end of described charging hopper (134) is arranged on the lower surface of described lower cover (133), and its central axis (L3) is perpendicular to the plane at the upper surface place of described work top (111); Distance (d1) 0.05-2.0 centimetre larger than the height of fireworks tube group arriving the upper surface of described work top (111) bottom of described charging hopper (134);
Described conveying device (2) comprises belt conveyor (21), the 3rd cylinder (22) and bracing frame (23), described belt conveyor (21) is arranged on support frame as described above (23), and its upper surface and described window (31) be positioned in same level bottom; The side of described belt conveyor (21) is arranged near second side (35) of described blast wall (3);
The central axis (L1) of the push rod of described second cylinder (12) and described window (31) along blast wall (3) thickness direction central axis (L2) between and described 3rd cylinder (22) push rod central axis (L4) and described window (31) along blast wall (3) thickness direction central axis (L2) between all parallel;
When the push rod of described second cylinder (12) is positioned at foremost, the front end face of described push rod and the distance of described second side (35) are 0; When the push rod of described 3rd cylinder (22) is positioned at foremost, the front end face of described push rod and the distance of described first side (34) are 0.
2. fireworks auto feeding device according to claim 1, it is characterized in that: described charging hopper (134) comprises cavity (A1), the first baffle plate (A2), funnel (A3), second baffle (A4) and weighing apparatus (A5), the lower end of described cavity (A1) is provided with the first opening part (A11); Described first baffle plate (A2) is arranged on immediately below described cavity (A1) by four-cylinder (A6), and itself and described first opening part (A11) concentric are arranged; Described funnel (A3) concentric is arranged on immediately below described first baffle plate (A2); Described second baffle (A4) is arranged on immediately below described funnel (A3) by the 5th cylinder (A7), and the opening part concentric of itself and described funnel (A3) lower end is arranged; Described weighing apparatus (A5) concentric is arranged on the lower surface of described second baffle (A4);
The upper surface of described first baffle plate (A2) and described first opening part (A11) bottom between distance and the upper surface of described second baffle (A4) and the opening part of described funnel (A3) lower end bottom between distance be 0-0.5 centimetre;
In the plane of the central axis (L5) perpendicular to described cavity (A1), the cross-sectional area of the described cross-sectional area of the first opening part (A11) and the opening part of described funnel (A3) lower end is the 0.1-0.5 of the cross-sectional area of described cavity (A1) doubly; The cross-sectional area of described first opening part (A11) is less than or equal to the cross-sectional area of described first baffle plate (A2); The cross-sectional area of the opening part of described funnel (A3) lower end is less than or equal to the cross-sectional area of described second baffle (A4).
3. fireworks auto feeding device according to claim 2, is characterized in that: the upper surface of described first baffle plate (A2) and described first opening part (A11) bottom between distance and the upper surface of described second baffle (A4) and the opening part of described funnel (A3) lower end bottom between distance be 0.
4. fireworks auto feeding device according to claim 3, it is characterized in that: in the plane of the central axis (L5) perpendicular to described cavity (A1), the cross-sectional area of the described cross-sectional area of the first opening part (A11) and the opening part of described funnel (A3) lower end is 0.2 times of the cross-sectional area of described cavity (A1).
5. the fireworks auto feeding device according to claim 1-4 any one, it is characterized in that: described belt conveyor (21) is provided with side by side at least 2 positioning elements (211), described positioning element (211) is arranged perpendicular to the direction of advance of described belt conveyor (21); Distance (d2) between adjacent two described positioning elements (211) matches with the width of fireworks tube group.
6. fireworks auto feeding device according to claim 5, is characterized in that: the height of described positioning element (211) is 0.5-2.0 centimetre; The shape of described positioning element (211) is square structure or arcuate structure.
7. fireworks auto feeding device according to claim 6, it is characterized in that: also comprise controller, described first cylinder (33), the second cylinder (12), the 3rd cylinder (22), four-cylinder (A6) and the 5th cylinder (A7) are all connected with described controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420818987.3U CN204555839U (en) | 2014-12-22 | 2014-12-22 | A kind of fireworks auto feeding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420818987.3U CN204555839U (en) | 2014-12-22 | 2014-12-22 | A kind of fireworks auto feeding device |
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| CN204555839U true CN204555839U (en) | 2015-08-12 |
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| CN201420818987.3U Active CN204555839U (en) | 2014-12-22 | 2014-12-22 | A kind of fireworks auto feeding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084639A (en) * | 2018-10-29 | 2018-12-25 | 周守虎 | A kind of firework drug automatic powder charge device |
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2014
- 2014-12-22 CN CN201420818987.3U patent/CN204555839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084639A (en) * | 2018-10-29 | 2018-12-25 | 周守虎 | A kind of firework drug automatic powder charge device |
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