CN218252818U

CN218252818U - Full-automatic die casting machine of type is inhaled down to environmental protection die-casting fireworks inner tube

Info

Publication number: CN218252818U
Application number: CN202222460367.4U
Authority: CN
Inventors: 陶明遇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-17
Filing date: 2022-09-17
Publication date: 2023-01-10
Anticipated expiration: 2032-09-17

Abstract

The invention discloses a full-automatic die-casting machine of an environment-friendly die-casting firework inner barrel downward suction type, which comprises a rack, wherein a material suction device, a die-casting device, a moving device for moving the material suction device into the die-casting device and a heating device for supplying heat to the die-casting device are arranged on the rack. The invention has simple structure and strong practicability.

Description

Full-automatic die casting machine of type is inhaled down to environmental protection die-casting fireworks inner tube

Technical Field

The invention relates to the field of firework inner barrel die casting machines, in particular to an environment-friendly full-automatic die casting machine for down-suction type firework inner barrels.

Background

Fireworks, also known as fireworks, fireworks and firecracker, takes pyrotechnic materials as raw materials, is used for entertainment products for generating sound and light colors, is invented earlier by Chinese workers, and is commonly used in prosperous ceremonies or performances.

The fireworks are similar to the firecrackers in structure, the structure of the fireworks comprises black powder and powder ignition, in order to achieve good performance, a large amount of powder for launching and explosion is filled in fireworks and display shells, the display shells with the diameter of 20 cm rise to the height of about 200 m to explode after being launched, and the radius covered by star points can be about 80 m.

At present, the fireworks inner tube is the multilayer hardboard mostly, pastes into the tube-shape through manual work or machinery is manual, dries the back, forms the chamber that holds that the splendid attire holds the fireworks powder through filling earth and tamping in the bottom of fireworks inner tube, then punches on bottom earth and wear the lead wire, packs propellant powder and effect powder into in the fireworks inner tube again.

The Chinese patent application No. 202010763853.6 discloses a novel environment-friendly die-casting firework inner cylinder formula, a structure thereof and a fire passing method, and the formula comprises 25-80% of paper pulp, 5-15% of starch, 10-75% of slaked lime powder and the balance of water by mass, and the components are heated and stirred uniformly. The feed liquid generated by the formula is viscous and colloidal liquid, which is a novel formula, and also discloses a novel environment-friendly die-casting firework inner barrel structure which is formed by adopting a hot-pressing die to be integrally die-cast; it includes the inner tube body, inner tube body top is equipped with the effect medicine chamber, inner tube body bottom is equipped with the ignition medicine chamber, the effect medicine chamber with be equipped with the seal layer between the ignition medicine chamber, be equipped with interface channel in the middle of the seal layer, interface channel intercommunication the effect medicine chamber with the ignition medicine chamber. At present, because of the reasons that the sealing layer can not be heated in all directions and the liquid flow is poor, the mass feeding is difficult, the sealing layer is mostly formed by adopting the integrated die casting of a single hot-pressing die, the production efficiency is extremely low, the automation degree is extremely low, and therefore, a down-suction type firework inner barrel die casting machine which is suitable for the formula and has automatic production and mass production is urgently needed.

Disclosure of Invention

The invention aims to solve the technical problems in the related art at least to a certain extent aiming at the defects in the prior art, and provides a novel environment-friendly full-automatic die-casting machine for downward suction of an inner cylinder of a die-casting firework so as to achieve the purpose of solving the problems that the existing die-casting die cannot be used for batch production, automatic production and the like.

In order to solve the technical problems, the technical scheme of the invention is as follows: the full-automatic die casting machine comprises a frame, wherein the frame is provided with a material sucking device, a die casting device, a moving device for moving the material sucking device into the die casting device, and a heating device for supplying heat to the die casting device;

the moving device comprises a moving platform, two screw rods which are fixed on the frame through bearings and are positioned on two sides of the moving platform, a moving plate fixed on the moving platform, and a first driving device for driving the two screw rods to synchronously rotate, wherein the moving plate is respectively in threaded connection with the two screw rods;

the material suction device comprises a first fixing plate fixed with the mobile station through a first guide pillar, an upper plate and a lower plate which are positioned between the mobile station and the first fixing plate and are in sliding connection with the first guide pillar, a limiting pillar fixed on the lower plate, an extrusion device fixed on the rack, and a second driving device for driving the upper plate to descend or ascend, wherein the upper plate is provided with a plurality of piston rods, the lower plate is provided with a plurality of piston cylinders matched with the piston rods, the piston cylinders extend out of the mobile station, the second driving device drives the piston rods to ascend and descend in the piston cylinders, and the piston rods are in sealing sliding connection with the piston cylinders;

the extrusion device comprises a feed box, an extrusion plate, a third driving device and a switch device, wherein the feed box stores feed liquid and is positioned right below the moving plate in an initial state, the extrusion plate is arranged in the feed box and sealed with the inner wall of the feed box, the third driving device drives the extrusion plate to ascend or descend, the switch device is arranged between the feed box and the moving platform in the initial state, and the feed box is provided with a plurality of first through holes;

the switching device comprises a sealing table which is fixed on the frame and is fixed with the top of the material box in a sealing mode, wherein an upper hole opening and each piston cylinder bottom are matched, a plurality of vertical holes communicated with each first through hole are formed in the sealing table, a plurality of sealing columns are transversely arranged on the sealing table, a plurality of communicating holes are formed in the sealing columns, gears are arranged at the end parts of the sealing columns, a fourth driving device which is meshed with the gears and drives the racks to reciprocate is arranged on the frame, the fourth driving device drives the sealing columns to rotate to the vertical state of the communicating holes to enable the first through holes, the vertical holes and the piston cylinders to be communicated in sequence during extrusion, and after extrusion is completed, the fourth driving device drives the sealing columns to rotate to the horizontal state of the communicating holes to enable the first through holes to be separated from the piston cylinders.

The die-casting device comprises an upper die plate, a lower die plate and a fifth driving device for driving the upper die plate to reciprocate up and down, die cavities are uniformly distributed on the lower die plate, lower die cores are arranged at the bottoms of the die cavities, and the upper die plate is provided with upper die cores in one-to-one correspondence with the die cavities.

Further, the heating device comprises a first heating pipeline, a second heating pipeline and a third heating pipeline;

the first heating pipeline comprises heat-conducting oil pipelines which are longitudinally and transversely distributed in the lower die cavity;

the second heating pipeline comprises a first oil tank fixed on the upper template and a first partition plate hermetically fixed on the first oil tank, the first oil tank is divided into an oil inlet area and an oil outlet area by the first partition plate, oil filling pipes are uniformly distributed on the first partition plate, an inner cavity is formed in the upper mold core, one end of each oil filling pipe extends out of the first partition plate to the oil inlet area, the other end of each oil filling pipe correspondingly extends into the inner cavity of each upper mold core, threaded sleeves with cavities in the upper template are uniformly distributed, each threaded sleeve is correspondingly connected with the corresponding upper mold core through threads, each threaded sleeve is correspondingly sleeved outside each oil filling pipe, each threaded sleeve is positioned in the oil outlet area, and the cavity of each threaded sleeve is communicated with the cavity of the upper mold core;

the third heating pipeline comprises a heating plate and a third oil tank, the heating plate is in sliding connection with the lower template through a second guide pillar, the third oil tank is fixed below the heating plate, a cavity is formed in the lower mold core, and the third oil tank is communicated with the cavity of the lower mold core.

Furthermore, the second driving device comprises a top plate fixed on the second fixing plate through a third guide pillar, a first moving plate arranged between the second fixing plate and the top plate and connected with the third guide pillar in a sliding manner, a screw rod in threaded connection with the first moving plate, and a speed reducer arranged on the second fixing plate, wherein one end of the screw rod is fixed on the top plate through a bearing, the other end of the screw rod is connected with the speed reducer, and the first moving plate penetrates through the second fixing plate through a connecting rod and is connected with the upper plate.

The hot-pressing mold further comprises an ejection device for ejecting the lower mold core, the ejection device comprises a third fixing plate fixed through a fourth guide pillar, a heating plate connected with the fourth guide pillar in a sliding mode, the lower mold core fixed on the heating plate, and a sixth driving device, the sixth driving device is fixed on the third fixing plate, and the sixth driving device penetrates through the third fixing plate through a connecting rod to be connected with the heating plate.

Furthermore, the upper die plate is provided with a positioning hole which is a step hole with a small upper part and a large lower part, the threaded sleeve is in threaded connection with the upper end of the step hole, the upper die core is in threaded connection with the threaded sleeve and is limited at the lower end of the step hole, and the upper die core and the step of the step hole are sealed through a copper gasket.

Furthermore, platforms are arranged on two sides of the frame, and two sides of the mobile station are movably connected with the two platforms in a clamping mode.

Furthermore, first pulleys are arranged on two sides of the moving plate, initially, the two first pulleys on the upper surfaces of one end portions of the two platforms are abutted to the surfaces of the two platforms respectively, a fixed rod is fixed between the other end portions of the two platforms, a second pulley is arranged on the fixed rod, and the second pulley is abutted to the bottom of the moving platform.

Furthermore, a third pulley is fixed on the moving table, and when the material is fed in a moving mode, the third pulley is abutted to the surface of the lower template.

The technical effects of the invention are mainly reflected in the following aspects:

drawings

Fig. 1 is a perspective view of the present invention.

Figure 2 is a perspective view of the protruding bin of the present invention.

Fig. 3 is a schematic structural diagram of the material suction device.

Fig. 4 is a schematic structural view of a protruding gear of the material suction device.

Fig. 5 is a schematic structural view of the material suction device protruding the extrusion device.

Fig. 6 is a schematic front view of the suction device.

Fig. 7 is a schematic structural view of the upper die.

Fig. 8 is a schematic structural view of the lower die.

Fig. 9 is a schematic structural view of the lower plate.

Fig. 10 is a left side view of the present invention.

Fig. 11 is a schematic cross-sectional view of fig. 10.

Fig. 12 is an enlarged schematic view of a portion H of fig. 11.

Fig. 13 is an enlarged view of a portion Q of fig. 11.

Fig. 14 is an enlarged view of a portion J of fig. 12.

Fig. 15 is an enlarged schematic view of the portion G of fig. 11.

Detailed Description

The following detailed description of the embodiments of the present invention is intended to be illustrative, but not limiting, of the invention so that the technical solutions of the invention may be more easily understood and appreciated.

As shown in fig. 1, fig. 2, fig. 10, fig. 11, fig. 12, fig. 13, fig. 14, fig. 15: the full-automatic die casting machine comprises a frame 1, wherein the frame 1 is provided with a material sucking device, a die casting device, a moving device for moving the material sucking device into the die casting device, and a heating device for supplying heat to the die casting device;

the moving device comprises a moving platform 21, two screw rods 201 which are fixed on the rack 1 through bearings and located on two sides of the moving platform 21, a moving plate 22 fixed on the moving platform 21, and a first driving device for driving the two screw rods 201 to synchronously rotate, wherein the moving plate 22 is respectively in threaded connection with the two screw rods 201, the first driving device is a motor and drives the two screw rods 201 to synchronously rotate through a belt or a chain, the moving plate 22 is respectively in threaded connection with the two screw rods 201, and the two screw rods 201 synchronously rotate to drive the moving plate 22 to reciprocate left and right so as to drive the moving platform 21 fixed with the moving plate 22 to reciprocate left and right;

when the fourth driving device drives the sealing post 36 to rotate to a state that the communication hole 37 is in a transverse direction, so that the first through hole 33 is separated from the piston cylinder 28, the second driving device continues to drive the upper plate 24 to ascend to drive the lower plate 25 to ascend to the moving table 21 to move, after the piston cylinder 28 does not interfere with the sealing table 34, the first driving device drives the moving table 21 to move to a position right above the lower mold plate 46, the mold cavities 42 are located right below the piston cylinders 28 in a one-to-one correspondence manner, the second driving device drives the upper plate 24 to drive the piston rods 27 to descend, the feed liquid in the piston cylinders 28 is extruded to be injected into the mold cavities 42, after the injection is completed, the second driving device drives the upper plate 24 to drive the piston rods 27 to reset upwards, and the first driving device drives the moving table 21 to reset.

As shown in fig. 3, 4, 5, and 6: the material suction device comprises a first fixing plate 23 fixed with the moving platform 21 through a first guide post, an upper plate 24 and a lower plate 25 which are positioned between the moving platform 21 and the first fixing plate 23 and are in sliding connection with the first guide post, a limit column 26 which penetrates through the upper plate 24 and is fixed on the lower plate 25, an extrusion device fixed on the rack 1, and a second driving device which drives the upper plate 24 to descend or ascend, wherein the upper plate 24 is provided with a plurality of piston rods 27, the lower plate 25 is provided with a plurality of piston cylinders 28 matched with the piston rods 27, the piston cylinders 28 extend downwards out of the moving platform 21, the second driving device drives the piston rods 27 to ascend and descend in the piston cylinders 28, and the piston rods 27 are in sealing sliding connection with the piston cylinders 28;

the second driving device comprises a top plate 30 fixed on the first fixed plate 23 through a third guide post, a first moving plate 31 arranged between the first fixed plate 23 and the top plate 30 and connected with the third guide post in a sliding manner, a screw 29 in threaded connection with the first moving plate 31, and a speed reducer arranged on the second fixed plate 29, wherein one end of the screw 29 is fixed on the top plate 30 through a bearing, the other end of the screw is connected with the speed reducer, and the first moving plate 31 passes through the second fixed plate 29 through a connecting rod to be connected with the upper plate 24;

after extrusion is completed, the second driving device drives the upper plate 24 to drive the piston rod 27 to slowly rise, the interior of the piston cylinder 28 is in a negative pressure state, the material liquid is sucked into the piston cylinder 28, meanwhile, the third driving device drives the extrusion plate 32 to slowly extrude the material liquid until the piston cylinder 28 is filled with the material liquid, at this time, the upper plate 24 rises to the top of the limiting column 26, the limiting column 26 is in a T shape (if the upper plate 24 continues to rise, the lower plate 25 is driven to rise), then the fourth driving device drives the sealing column 36 to rotate to the transverse state of the communication hole 37, so that the first through hole 33 is separated from the piston cylinder 28 (at this time, the separation is closed, after the lower plate 25 and the piston cylinder 28 move up, the material liquid is discharged from the first through hole 33 and the vertical hole 35 under the action of negative pressure inertia), the fourth driving device drives the second driving device to further drive the upper plate 24 to rise, the lower plate 25 is driven to rise, the moving platform 25 to move to the moving platform 21, the piston cylinder 28 does not interfere with the sealing platform 34, at this time, but the piston rod 27 does not leak due to the viscous material liquid.

As shown in fig. 3, 4, 5, and 6: the extrusion device comprises a feed box 31, an extrusion plate 32, a third driving device and a switch device, wherein the feed box 31 is used for storing feed liquid and is positioned right below the moving plate 22 in an initial state, the extrusion plate 32 is arranged in the feed box 31 and is sealed with the inner wall of the feed box 31, the third driving device is used for driving the extrusion plate 32 to ascend or descend, the switch device is arranged between the feed box 31 and the moving platform 21 in the initial state, and a plurality of first through holes 33 are formed in the feed box 31;

the feeding port is arranged above the side face of the material box 31, the feeding port is sealed through a sealing plate with a rubber pad and a screw after the feeding is finished, the third driving device comprises a lower bottom plate 40 fixed with the bottom of the material box 31 through a guide post, a lower moving plate located between the lower bottom plate 40 and the material box 31 and in sliding connection with the guide post, a threaded column in threaded connection with the lower moving plate, and a speed reducer fixed at the bottom of the material box 31, one end of the threaded column is connected with the lower bottom plate 40 through a bearing, the other end of the threaded column is connected with the speed reducer, the lower moving plate 22 penetrates through the bottom of the material box 31 through a connecting rod and is connected with the extrusion plate 32, the connecting position of the connecting rod and the bottom of the material box 31 is sealed through a sealing sleeve, namely, the structure of the third driving device is similar to that of the second driving device, the fourth driving device is an oil cylinder, the fourth driving sealing column 36 to rotate to the vertical state of the communication hole 37, so that the communication hole 37 is partially overlapped with the vertical hole 35, the first through hole 33, the vertical hole 35 and the piston cylinder 28 are sequentially communicated, and the third driving device is abutted against the extrusion plate 32 to enable the material liquid of the material in the first through hole 33, the vertical hole 35, the piston rod 35 and the piston rod 27 to be sequentially overlapped with the vertical cylinder 27. In the initial state, the piston rod 27 is located at the lowermost portion of the piston cylinder 28.

The switch device comprises a sealing table 34 which is fixed on the frame 1 and is fixed with the top of the material box 31 in a sealing mode, wherein an upper hole opening and a plurality of vertical holes 35 which are matched with the bottoms of the piston cylinders 28 and lower hole openings of the sealing table 34 are communicated with the first through holes 33, a plurality of sealing columns 36 are transversely arranged on the sealing table 34, a plurality of communicating holes 37 are formed in the sealing columns 36, gears 38 are arranged at the end parts of the sealing columns 36, a rack 39 which is meshed with the gears 38 and a fourth driving device which drives the rack 39 to reciprocate are arranged on the frame 1, during extrusion, the fourth driving device drives the sealing columns 36 to rotate to the vertical state of the communicating holes 37 to enable the first through holes 33, the vertical holes 35 and the piston cylinders 28 to be communicated in sequence, and after extrusion, the fourth driving device drives the sealing columns 36 to rotate to the horizontal state of the communicating holes 37 to enable the first through holes 33 to be separated from the piston cylinders 28.

As shown in fig. 7 and 8: the die-casting device comprises an upper template 41, a lower template 46 and a fifth driving device for driving the upper template 41 to reciprocate up and down, wherein the lower template 46 is uniformly provided with die cavities 42, the bottom of each die cavity 42 is provided with lower die cores 43, and the upper template 41 is provided with upper die cores 50 which are in one-to-one correspondence with the die cavities 42.

The fifth driving device comprises a fourth fixing plate 44 fixed with the die fixing plate 001 through a guide post, and an air cylinder or an oil cylinder arranged on the fourth fixing plate 44, the air cylinder or the oil cylinder passes through the fourth fixing plate 44 through a connecting rod to be connected with the upper die fixing plate 45, the upper die plate 41 and the upper die fixing plate 45 are connected into a whole and are in sliding connection with the guide post, and the up-and-down reciprocating motion of the upper die plate 41 is realized through the air cylinder or the oil cylinder.

As shown in fig. 12 and 13: the heating device comprises a first heating pipeline, a second heating pipeline and a third heating pipeline;

the first heating pipeline comprises heat-conducting oil pipelines which are distributed in the lower template 46 in a longitudinal and transverse mode;

the heating principle is as follows: the heat transfer oil enters the heat transfer oil from one side of the lower template 46 and is gathered from the other side, and preferably, the longitudinal and transverse heat transfer oil pipelines are communicated with each other.

The second heating pipeline comprises a first oil tank 47 fixed on the upper template 41 and a first partition plate 48 hermetically fixed on the first oil tank 47, the first oil tank 47 is divided into an oil inlet area B and an oil outlet area C by the first partition plate 48, oil filling pipes 49 are uniformly distributed on the first partition plate 48, an inner cavity is arranged inside the upper mold core 50, one end of each oil filling pipe 49 extends out of the first partition plate 48 to the oil inlet area, the other end of each oil filling pipe 49 correspondingly extends into the inner cavity of each upper mold core 50 one by one, threaded sleeves 51 which are hollow are uniformly distributed on the upper template 41, each threaded sleeve 51 is correspondingly connected with the corresponding upper mold core 50 through threads, each threaded sleeve 51 is correspondingly sleeved outside each oil filling pipe 49 one by one, the threaded sleeves 51 are positioned in the oil outlet areas, and the cavities of the threaded sleeves 51 are communicated with the cavities of the upper mold cores 50;

the heating principle is as follows: the heat conducting oil enters from the oil inlet area, flows into the oil filling pipe 49, enters the inner cavity of the upper mold core 50, flows out of the threaded sleeve 51 and enters the oil outlet area C after filling the oil inlet area B, and cold oil is extruded out by the incoming hot oil all the time through the design, so that the heating effect is good, the heating and curing effect is obvious, and the defective rate is low.

The third heating pipeline comprises a heating plate 52 which is in sliding connection with the lower template 46 through a fourth guide post, and a third oil tank 53 which is fixed below the heating plate 52, a cavity is arranged in the lower die core 43, and the third oil tank 53 is communicated with the cavity of the lower die core 43.

The heating principle is as follows: the heat conducting oil is filled in the third oil tank 53 and the cavity of the lower mold core 43, cold oil filled in the cavity of the lower mold core 43 and subjected to heat exchange can be discharged out of the third oil tank 53 due to gravity, and hot oil is continuously filled in the cavity of the lower mold core 43, so that the heating effect is good, the heating and curing effect is obvious, and the defective rate is low.

As shown in fig. 12: the firework mould further comprises an ejection device for ejecting the lower mould core 43, the ejection device comprises a third fixing plate 54 fixed through a fourth guide column, a heating plate 52 connected with the fourth guide column in a sliding mode, lower mould cores 43 fixed on the heating plate 52 and a sixth driving device, the sixth driving device is fixed on the third fixing plate 54, the sixth driving device penetrates through the third fixing plate 54 through a connecting rod and is connected with a heating fixing plate 55, the heating fixing plate 55 and the heating plate 52 are connected into a whole, each lower mould core 43 penetrates through a mould fixing plate and is positioned below a mould cavity 42 of each lower mould plate 46, each lower mould core 43 and each mould cavity 42 are sealed through tolerance fit, fluid cannot flow around because no large mould pressing pressure exists in the hot-pressing casting process, after hot-pressing casting is completed, the fifth driving device drives the upper mould plate 41 to ascend for a small section, the sixth driving device drives the heating plate 52 to ascend, the lower mould core 43 is used for ejecting the firework inner cylinder to the upper mould core 50, then the fifth driving device drives the upper mould plate 41 to ascend to the top, and finally the firework inner cylinder is manually taken down.

As shown in fig. 14: the upper die plate 41 is provided with a positioning hole which is a step hole with a small upper part and a large lower part, the threaded sleeve 51 is in threaded connection with the upper end of the step hole, the upper die core 50 is in threaded connection with the threaded sleeve 51 and is limited at the lower end of the step hole, the upper die core 50 is sealed with the step of the step hole through the copper gasket 56, heat conduction oil is prevented from seeping out from the thread of the upper die core 50 and the threaded sleeve 51 and seeping out from the joint of the upper die core 50 and the step, and sealing is effectively achieved.

As shown in fig. 3, 4, 5, and 6: platforms 57 are arranged on two sides of the frame 1, and two sides of the mobile station 21 are movably clamped with the two platforms 57.

First pulleys 58 are arranged on two sides of the moving plate 22, initially, the two first pulleys 58 on the upper surfaces of one end portions of the two platforms 57 are respectively abutted against the surfaces of the two platforms 57, a fixed rod is fixed between the other end portions of the two platforms 57, a second pulley 59 is arranged on the fixed rod, and the second pulley 59 is abutted against the bottom of the moving platform 21.

The third pulley 60 is fixed on the moving table 21, and when the material is fed in a moving mode, the third pulley 60 is abutted against the surface of the lower template 46.

The first pulley 58, the second pulley 59, and the third pulley 60 serve the purpose of smoothing when moving the mobile station 21, and also serve the purpose of reducing friction.

As shown in fig. 9: the bottom of the piston cylinder 28 is provided with an arc surface matched with the sealing column 36, and when the material is extruded, the arc surface is attached to the surface of the sealing column 36, so that the sealing effect is ensured, and the material is prevented.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. Full-automatic die casting machine of type is inhaled down to environmental protection die-casting fireworks inner tube, including the frame, its characterized in that: the frame is provided with a material suction device, a die-casting device, a moving device for moving the material suction device into the die-casting device, and a heating device for supplying heat to the die-casting device;

the switch device comprises a sealing platform which is fixed on a rack and is sealed and fixed with the top of the material box, wherein the sealing platform is provided with a plurality of vertical holes, an upper hole opening of the sealing platform is matched with the bottoms of the piston cylinders, a lower hole opening of the sealing platform is communicated with the first through holes, the sealing platform is transversely provided with a plurality of sealing columns, the sealing columns are provided with a plurality of communicating holes, the end parts of the sealing columns are provided with gears, the rack which is meshed with the gears and a fourth driving device which drives the rack to reciprocate are arranged on the rack, when the material is extruded, the fourth driving device drives the sealing columns to rotate to the vertical state of the communicating holes so as to sequentially communicate the first through holes, the vertical holes and the piston cylinders, and after the material is extruded, the fourth driving device drives the sealing columns to rotate to the horizontal state of the communicating holes so as to separate the first through holes from the piston cylinders;

2. The full-automatic die casting machine of environmental protection die-casting fireworks inner tube downdraft type according to claim 1, characterized in that: the heating device comprises a first heating pipeline, a second heating pipeline and a third heating pipeline;

the second heating pipeline comprises a first oil tank fixed on the upper template and a first partition board hermetically fixed on the first oil tank, the first partition board divides the first oil tank into an oil inlet area and an oil outlet area, oil filling pipes are uniformly distributed on the first partition board, inner cavities are arranged in the upper mold cores, one ends of the oil filling pipes extend out of the first partition board to the oil inlet area, the other ends of the oil filling pipes correspondingly extend into the inner cavities of the upper mold cores one by one, threaded sleeves which are cavities are uniformly distributed on the upper template, the threaded sleeves are correspondingly connected with the corresponding upper mold cores through threads one by one, the threaded sleeves are correspondingly sleeved outside the oil filling pipes one by one, the threaded sleeves are positioned in the oil outlet area, and the cavities of the threaded sleeves are communicated with the cavities of the upper mold cores;

3. The full-automatic die casting machine of environmental protection die-casting fireworks inner tube downdraft type according to claim 1, characterized in that: the second driving device comprises a top plate fixed on the second fixing plate through a third guide pillar, a first moving plate arranged between the second fixing plate and the top plate and connected with the third guide pillar in a sliding mode, a screw rod in threaded connection with the first moving plate, and a speed reducer arranged on the second fixing plate, one end of the screw rod is fixed on the top plate through a bearing, the other end of the screw rod is connected with the speed reducer, and the first moving plate penetrates through the second fixing plate through a connecting rod and is connected with the upper plate.

4. The full-automatic die casting machine of environmental protection die-casting fireworks inner tube downdraft type according to claim 1, characterized in that: the ejection device comprises a third fixing plate fixed through a fourth guide pillar, a heating plate in sliding connection with the fourth guide pillar, a lower mold core fixed on the heating plate, and a sixth driving device, wherein the sixth driving device is fixed on the third fixing plate, and the sixth driving device penetrates through the third fixing plate through a connecting rod to be connected with the heating plate.

5. The full-automatic die casting machine of type is inhaled down to environmental protection die-casting fireworks inner tube according to claim 2 characterized in that: the upper die plate is provided with a positioning hole which is a step hole with a small upper part and a large lower part, the threaded sleeve is in threaded connection with the upper end of the step hole, the upper die core is in threaded connection with the threaded sleeve and is limited at the lower end of the step hole, and the upper die core and the step of the step hole are sealed through a copper gasket.

6. The full-automatic die casting machine of environmental protection die-casting fireworks inner tube downdraft type according to claim 1, characterized in that: the two sides of the frame are provided with platforms, and the two sides of the mobile station are movably connected with the two platforms in a clamping manner.

7. The full-automatic die casting machine of environmental protection die-casting fireworks inner tube downdraft type according to claim 2, characterized in that: the two sides of the moving plate are provided with first pulleys, initially, the two first pulleys on the upper surfaces of one end parts of the two platforms are respectively abutted against the surfaces of the two platforms, a fixed rod is fixed between the other end parts of the two platforms, a second pulley is arranged on the fixed rod, and the second pulley is abutted against the bottom of the moving plate.

8. The full-automatic die casting machine of environmental protection die-casting fireworks inner tube downdraft type according to claim 1, characterized in that: and a third pulley is fixed on the movable table, and when the movable table is used for feeding materials, the third pulley is abutted against the surface of the lower template.

9. The full-automatic die casting machine of environmental protection die-casting fireworks inner tube downdraft type according to claim 1, characterized in that: the bottom of the piston cylinder is provided with a cambered surface matched with the sealing column, and the cambered surface is attached to the surface of the sealing column.