CN111331089A

CN111331089A - Environment-friendly aluminum alloy continuous casting mould with thermal cycle structure

Info

Publication number: CN111331089A
Application number: CN202010233199.8A
Authority: CN
Inventors: 崔卷厂; 张萌萌
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-29
Filing date: 2020-03-29
Publication date: 2020-06-26

Abstract

The invention discloses an environment-friendly aluminum alloy continuous casting die with a thermal cycle structure, which comprises a die shell, a feed hopper, an exhaust fan and a stepping motor, wherein the feed hopper is fixed at the top end of the die shell through bolts, a pre-cooling cylinder is sleeved on the outer surface of the feed hopper, the bottom end of the die shell is integrally connected with a blanking hopper, a water inlet pipe is welded on the outer surface of the die shell, a water diversion pipe is welded at the other end of the water inlet pipe, spray heads are uniformly arranged on the outer surface of the water diversion pipe, a water guide pipe is arranged on the outer surface of the die shell, which is close to the lower part of the die shell, the other end of the water guide pipe is connected with a circulating pipe through a flange, heat conducting fins are uniformly distributed on. The invention has a thermal cycle structure, can quickly dissipate the heat in the water after heat exchange in the die, and can carry out secondary precooling, thereby improving the metal cooling efficiency.

Description

Environment-friendly aluminum alloy continuous casting mould with thermal cycle structure

Technical Field

The invention relates to the technical field of continuous casting, in particular to an environment-friendly aluminum alloy continuous casting mold with a thermal cycle structure.

Background

Continuous casting is one of casting processes, and the difference is that the die casting is that under the action of a forging and pressing machine, a blank is forced to flow and form in a plastic manner in a forging die cavity, and the continuous casting can save a primary rolling and cogging process, so that the energy consumption of heating a soaking pit is saved, and the period from molten metal to blank forming is shortened.

The continuous casting mold is a main part in a continuous casting process and is responsible for shaping a cast object, and after molten metal is poured into a continuous casting grinding tool, the outer surface of the mold needs to be cooled to form a blank.

To this end, chinese patent application No.: 201610212837.1, discloses an aluminum ingot continuous casting mould, which comprises a connecting piece, a wheel is arranged below the connecting piece, a plurality of mould units are arranged above the connecting piece, and the mould units are arranged on the connecting piece in parallel, and is characterized in that: and a bearing groove is arranged between the adjacent die units, two ends of the bearing groove are provided with openings, the two openings are respectively arranged on the adjacent die units, the die units are provided with recesses, the bearing groove is placed in the recesses, the die units poured later are the die units behind according to the sequence of casting, and the rear surface of the bearing groove is obliquely downwards arranged towards the die units behind. The aluminum ingot continuous casting mold has the advantages of reducing frequent cleaning of aluminum strands, reducing maintenance and facilitating casting.

Chinese patent application No.: CN201280065213.1, discloses a continuous casting mold, comprising: two long side molds; and two short side molds enclosing a space between the two long side molds and forming protrusions at both side ends so that chamfered surfaces are formed at corners of the slab, wherein the protrusions of the short side molds are gradually decreased downward to compensate for the shrinkage of the slab, which is addressed to compensate for the shrinkage of the slab.

The continuous casting mould among the prior art adopts outside water-cooled structure to cool off for the mould more, can produce a large amount of heats during the cooling, and the heat major part can give off along with hydrologic cycle, but gives off time slowly, can't carry out circulative cooling with the heat and use, can influence the cooling time, therefore needs a urgent need to design an environment-friendly aluminum alloy continuous casting mould that has the thermal cycle structure and solves above-mentioned problem.

Disclosure of Invention

The invention aims to provide an environment-friendly aluminum alloy continuous casting mold with a thermal cycle structure, and aims to solve the problems that the cooling time is influenced because the heat dissipation time in the mold is slow and the heat cannot be circularly cooled for use in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an environment-friendly aluminum alloy continuous casting mould that has thermal cycle structure, includes mould shell, feeder hopper, exhaust fan and step motor, the top of mould shell has the feeder hopper through the bolt fastening, the surface of feeder hopper has cup jointed the precooling section of thick bamboo, the bottom integration of mould shell is connected with down the hopper, the outer skin weld of mould shell has the inlet tube, and the other end welding of inlet tube has the distributive pipe, the surface of distributive pipe evenly is provided with the shower nozzle, the surface of mould shell is close to the below of mould shell and is provided with the aqueduct, the other end of aqueduct has the circulating pipe through flange connection, evenly laid the conducting strip on the inner wall of circulating pipe, the surface of conducting strip evenly has seted up first through-hole, the top surface of circulating pipe has evenly seted up the second through-hole, one side of second through-, the circulating pipe is "L" shape structure, and the inner chamber of circulating pipe and the inner chamber intercommunication of precooling section of thick bamboo, the inboard of mould shell is inserted and is equipped with first template and second template, the second template sets up in the below of first template, the lower surface of second template has first rack through the bolt fastening, the bottom meshing of first rack has first gear, the surface of mould shell has step motor through the screw fastening, step motor's output is fixed with first gear connection, the surface of mould shell is provided with template coupling mechanism, one side of template coupling mechanism is provided with the inner mould board, and the inner mould board sets up in the inboard of mould shell, the rear end of inner mould board is provided with the third template, the surface integration of inner mould board is connected with the slider.

Preferably, the bottom surface of feeder hopper is fixed through the inner wall connection of screw with the mould shell, the quantity of first template is two sets of, and is two sets of first template is the opposition and arranges, and the other end of two sets of first templates pierces through the surface of mould shell, the lower surface of first template is contradicted with the top of inner formword.

Preferably, the inner cavity of the bottom end of the circulating pipe is communicated with the inner cavity of the mold shell through a water guide pipe, and the heat conducting fins are obliquely arranged.

Preferably, a second rack is fixed at the rear end of the second template through screws, a connecting pile is fixed on the outer surface of the mold shell through screws, a lead screw is arranged on the outer surface of the connecting pile, a second gear is sleeved on the outer surface of the lead screw, and the second gear is meshed with the second rack.

Preferably, the lead screw passes through the bearing and is connected with the connecting pile rotation, the surface cover of lead screw is equipped with the silk braid, the sliding structure is constituteed with the lead screw to the silk braid, the outer surface welding of silk braid has the connecting rod, the other end welding of connecting rod has the sliding sleeve, and the top of sliding sleeve is fixed with the rear end surface connection of third template.

Preferably, the inboard of sliding sleeve runs through and is provided with the slide bar, the surface of slide bar is smooth, and the both ends of slide bar all with the inner wall welded fastening of mould shell, sliding structure is constituteed with the slide bar to the sliding sleeve.

Preferably, both sides of the third template are embedded into the inner wall of the mold shell, the third template and the mold shell form a sliding structure, and the rear end of the third template is provided with a sealing lifting mechanism.

Preferably, leakproofness hoist mechanism includes sleeve, spring and pile-up, the sleeve passes through the screw and is fixed with the surface connection of mould shell, telescopic inboard is provided with spring and pile-up, elastic construction is constituteed with the spring to the pile-up, telescopic construction is constituteed with the sleeve to the pile-up, the front end of pile-up contradicts with the rear end surface of third template.

Preferably, template coupling mechanism includes fixed box, spud pile, driving lever and spacer pin, the fixed box passes through the screw and is fixed with the interior wall connection of mould shell, the spud pile welds on the surface of mould shell, and the spud pile is the both sides of driving lever and arranges, the driving lever passes through the articulated shaft and is articulated with the spud pile, the rear end of driving lever articulates through the articulated shaft has the spacer pin, and the spacer pin runs through the surface of fixed box.

Preferably, the slider is "L" shape structure, and the slider is inserted with the surface of fixed box and is closed, the draw-in groove has been seted up to the surface of slider, the spacer pin is inserted with the draw-in groove and is closed fixedly, the bottom and the second template of interior sheathing are contradicted.

Compared with the prior art, the invention has the beneficial effects that: this aluminium alloy continuous casting mould that environment-friendly has thermal cycle structure, can give off the heat of heat transfer back aquatic in the mould fast to carry out the secondary precooling, improve metal cooling efficiency.

The device is provided with a water guide pipe, a circulating pipe, a heat conducting fin, a first through hole, a second through hole, an exhaust fan and a precooling cylinder, wherein the water guide pipe is arranged on the outer surface of a mould shell, the inner cavity of the mould shell is communicated with the inner cavity of the circulating pipe through the water guide pipe, so that water sprayed on the inner wall of an inner template by a spray head is guided into an external cooling tower through a water outlet pipe after heat absorption, the other part of water is guided into the circulating pipe through the water guide pipe, the water is adhered to the heat conducting fin when flowing in the circulating pipe, heat is fully conducted onto the heat conducting fin, the heat is absorbed by the work of the exhaust fan, hot gas can be discharged through the second through hole, and simultaneously negative pressure is generated, so that water source in the circulating pipe is continuously guided into the precooling cylinder, metal liquid in a feeding hopper is precooled, after the metal liquid in the feeding hopper is, can be quicker, and then reach and have the thermal cycle structure, can distribute the heat of heat transfer back aquatic in the mould fast to carry out the secondary precooling, improve metal cooling efficiency's effect.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional elevation view of the structure of the present invention;

FIG. 3 is a schematic bottom view of the structure of the present invention;

FIG. 4 is a partial side cross-sectional view of the construction of the wire mantle of FIG. 3 according to the present invention;

FIG. 5 is a schematic top cross-sectional view of the construction of the die plate attachment mechanism of FIG. 1 in accordance with the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention;

FIG. 7 is a partial sectional view showing the structure of the circulation tube of FIG. 1 according to the present invention;

fig. 8 is a schematic cross-sectional structural view of the sealability lifting mechanism of fig. 3 according to the present invention.

In the figure: 1. a mold housing; 2. a feed hopper; 3. feeding a hopper; 4. a water inlet pipe; 5. a water conduit; 6. a circulation pipe; 7. a heat conductive sheet; 8. a first through hole; 9. a second through hole; 10. an exhaust fan; 11. a pre-cooling cylinder; 12. a first template; 13. a second template; 14. a first rack; 15. a first gear; 16. a stepping motor; 17. a second rack; 18. connecting piles; 19. a screw rod; 20. a second gear; 21. sleeving the silk; 22. a connecting rod; 23. a sliding sleeve; 24. a slide bar; 25. a third template; 26. a sealability lifting mechanism; 261. a sleeve; 262. a spring; 263. pile jacking; 27. a template connecting mechanism; 2701. a fixing box; 2702. fixing the pile; 2703. a deflector rod; 2704. a spacing pin; 28. an inner template; 29. a slider; 30. a card slot; 31. a water diversion pipe; 32. and (4) a spray head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, an embodiment of the present invention: the utility model provides an environment-friendly has aluminum alloy continuous casting mould of thermal cycle structure, including mould shell 1, feeder hopper 2, exhaust fan 10 and step motor 16, there is feeder hopper 2 on the top of mould shell 1 through the bolt fastening, the surface of feeder hopper 2 has cup jointed precooling section of thick bamboo 11, the bottom integration of mould shell 1 is connected with down hopper 3, the outer skin weld of mould shell 1 has inlet tube 4, and the other end welding of inlet tube 4 has distributive pipe 31, distributive pipe 31's surface evenly is provided with shower nozzle 32, the below that the surface of mould shell 1 is close to mould shell 1 is provided with aqueduct 5, the other end of aqueduct 5 has circulating pipe 6 through flange joint, evenly laid conducting strip 7 on circulating pipe 6's the inner wall, first through-hole 8 has evenly been seted up to conducting strip 7's surface.

Preferably, the bottom cavity of the circulating pipe 6 is communicated with the cavity of the mold housing 1 through the water guiding pipe 5, the heat conducting fins 7 are arranged in an inclined manner, as shown in fig. 7, the water is convenient to roll off by arranging the heat conducting fins 7 in an inclined manner, and the water in the mold housing 1 can be guided into the circulating pipe 6 through the water guiding pipe 5 by communicating the circulating pipe 6 with the water guiding pipe 5.

The outer surface of the top end of the circulating pipe 6 is uniformly provided with second through holes 9, one side of each second through hole 9 is provided with an exhaust fan 10, the circulating pipe 6 is of an L-shaped structure, the inner cavity of the circulating pipe 6 is communicated with the inner cavity of the precooling barrel 11, a first template 12 and a second template 13 are inserted into the inner side of the mold shell 1, and the second template 13 is arranged below the first template 12.

Preferably, the bottom surface of feeder hopper 2 passes through the screw and is fixed with the interior wall connection of mould shell 1, the quantity of first template 12 is two sets of, two sets of first templates 12 are opposite and arrange, and the other end of two sets of first templates 12 pierces through the surface of mould shell 1, the lower surface of first template 12 contradicts with the top of inner formword 28, as shown in fig. 2, the surface structure of first template 12 is the same with the surface structure of second template 13, through being two sets of with first template 12 design, and be opposite and arrange, can make two sets of first templates 12 outwards expand simultaneously, the speed of expansion has been improved.

The lower surface of second template 13 is fixed with first rack 14 through the bolt, the bottom meshing of first rack 14 has first gear 15, the surface of mould shell 1 has step motor 16 through the screw fixation, step motor 16's output and first gear 15 are connected fixedly, the surface of mould shell 1 is provided with template coupling mechanism 27, one side of template coupling mechanism 27 is provided with interior template 28, and interior template 28 sets up in the inboard of mould shell 1, the rear end of interior template 28 is provided with third template 25, the surface integration of interior template 28 is connected with slider 29.

Preferably, the rear end of the second template 13 is fixed with a second rack 17 through a screw, the outer surface of the mold shell 1 is fixed with a connecting pile 18 through a screw, the outer surface of the connecting pile 18 is provided with a screw rod 19, the outer surface of the screw rod 19 is sleeved with a second gear 20, and the second gear 20 is meshed with the second rack 17, so that when the second template 13 moves left and right, the second rack 17 can be driven to stir the second gear 20 to rotate, and the second gear 20 drives the screw rod 19 to rotate.

Preferably, the screw rod 19 is rotatably connected with the connecting pile 18 through a bearing, a screw sleeve 21 is sleeved on the outer surface of the screw rod 19, the screw sleeve 21 and the screw rod 19 form a sliding structure, a connecting rod 22 is welded on the outer surface of the screw sleeve 21, a sliding sleeve 23 is welded on the other end of the connecting rod 22, the top end of the sliding sleeve 23 is fixedly connected with the outer surface of the rear end of the third template 25, both sides of the third template 25 are embedded into the inner wall of the mould shell 1, and the third template 25 and the mold housing 1 form a sliding structure, and a sealing lifting mechanism 26 is provided at the rear end of the third template 25, as shown in fig. 3-4, by sleeving the screw rod 19 with the screw sleeve 21, when the screw rod 19 rotates, the screw sleeve 21 can slide on the screw rod 19, can make the silk cover 21 pass through connecting rod 22 and drive sliding sleeve 23 and rotate, make sliding sleeve 23 drive third template 25 and slide on mould shell 1, conveniently take out fashioned aluminum alloy block from mould shell 1.

Preferably, a sliding rod 24 penetrates through the inner side of the sliding sleeve 23, the outer surface of the sliding rod 24 is smooth, both ends of the sliding rod 24 are welded and fixed with the inner wall of the mold housing 1, the sliding sleeve 23 and the sliding rod 24 form a sliding structure, as shown in fig. 3, the sliding sleeve 23 can slide on the sliding rod 24 by arranging the sliding rod 24 in the sliding sleeve 23, and the movement stability of the sliding sleeve 23 is improved.

Preferably, the sealing lifting mechanism 26 includes a sleeve 261, a spring 262 and a stud 263, the sleeve 261 is fixedly connected to the outer surface of the mold housing 1 through a screw, the spring 262 and the stud 263 are disposed on the inner side of the sleeve 261, the stud 263 and the spring 262 form an elastic structure, the stud 263 and the sleeve 261 form an elastic structure, the front end of the stud 263 abuts against the outer surface of the rear end of the third form 25, as shown in fig. 8, the sealing lifting mechanism 26 is fixed to the mold housing 1, so that when the third form 25 moves to the uppermost end, the stud 263 can abut against the third form 25, the third form 25 tightly abuts against the inner form 28, and the sealing performance between the third form 25 and the inner form 28 is improved.

Preferably, the formwork connecting mechanism 27 includes a fixing box 2701, a fixing pile 2702, a shift rod 2703 and a limit pin 2704, the fixing box 2701 is connected and fixed with the inner wall of the mold housing 1 by screws, the fixing pile 2702 is welded on the outer surface of the mold housing 1, the fixing pile 2702 is arranged on two sides of the shift rod 2703, the shift rod 2703 is hinged with the fixing pile 2702 by a hinge shaft, the rear end of the shift rod 2703 is hinged with the limit pin 2704 by a hinge shaft, the limit pin 2704 penetrates through the outer surface of the fixing box 2701, the sliding block 29 is in an "L" shape, the sliding block 29 is inserted into the outer surface of the fixing box 2701, the outer surface of the sliding block 29 is provided with a slot 30, the limit pin 2704 is inserted into and fixed with the slot 30, the bottom end of the inner formwork 28 is inserted into the second formwork 13, the sliding block 29 is inserted into the fixing box 2701, the inner formwork 28 can be fixed in the mold housing 1, and the shift rod 2703 can drive the shift rod 270, the limiting pin 2704 is far away from the clamping groove 30, so that the limiting of the sliding block 29 and the fixing box 2701 can be released, the inner die plate 28 can be drawn out from the die shell 1 for replacement, and the effect of conveniently replacing the inner die plates 28 with different shapes is achieved.

The working principle is as follows: when the environment-friendly aluminum alloy continuous casting mold with the thermal circulation structure is used, the environment-friendly aluminum alloy continuous casting mold with the thermal circulation structure is electrically connected with an external power distribution cabinet through a wire, so that an electric appliance on the environment-friendly aluminum alloy continuous casting mold with the thermal circulation structure can be controlled by the external power distribution cabinet to be electrified;

then fixing the mould shell 1 on a continuous casting production line, connecting an external cold water pipe with a water inlet pipe 4, respectively connecting a water outlet pipe at the bottom end of the mould shell 1 and a water outlet pipe on a precooling cylinder 11 with a water supply pipe of an external water cooling tower, connecting a material guide pipe of an external feeding unit with a feed hopper 2, leading aluminum alloy metal liquid into the feed hopper 2, controlling and driving a stepping motor 16 on a first group of first gears 15 to be electrified through an external power distribution cabinet, enabling the first gears 15 to rotate and stir a first rack 14, enabling a first template 12 to be unfolded outwards, leading the aluminum alloy metal liquid into the mould shell 1, after filling the mould shell 1, closing the first template 12 through reverse operation, supplying water into the water inlet pipe 4, leading cold water into a spray head 32 through a water distribution pipe 31, enabling the cold water to be discharged to an outer layer cavity of the mould shell 1 through the spray head 32, and enabling the cold water to be sprayed on an, cooling the surface of the inner template 28 to cool and form the aluminum alloy metal liquid in the die shell 1;

then, after absorbing heat, part of cold water in the outer layer cavity of the mold shell 1 is directly led into an external cooling tower through a water outlet pipe on the mold shell 1, the other part of cold water is led into a circulating pipe 6 through a water guide pipe 5, the water is adhered to a heat conducting sheet 7 when flowing in the circulating pipe 6, so that the heat is fully conducted to the heat conducting sheet 7, and then an exhaust fan 10 is matched to work to absorb heat, so that hot gas can be discharged through a second through hole 9, meanwhile, negative pressure can be generated, a water source in the circulating pipe 6 is continuously led into a pre-cooling cylinder 11, metal liquid in a feeding hopper 2 is pre-cooled, and after the metal liquid in the feeding hopper 2 is led into the mold shell 1, part of heat is lost, and the metal liquid is more quickly cooled and formed;

after the aluminum alloy metal liquid in the mold shell 1 is cooled and formed, the second group of stepping motors 16 are controlled to be powered on through an external power distribution cabinet, the second group of stepping motors 16 drive the second group of first gears 15 to rotate, the first gears 15 rotate to stir the first racks 14, the second template 13 can be unfolded outwards, when the second template 13 is unfolded, the second gears 20 can be stirred to rotate through the second racks 17, the second gears 20 drive the lead screws 19 to rotate, the lead screws 19 can drive the wire sleeves 21 to slide on the lead screws 19, the wire sleeves 21 drive the sliding sleeves 23 to slide through the connecting rods 22, the sliding sleeves 23 can drive the third template 25 to slide outwards, and the third template 25 can drag the formed aluminum alloy block to be pushed out from the mold shell 1.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an aluminum alloy continuous casting mould that environment-friendly has thermal cycle structure, includes mould shell (1), feeder hopper (2), exhaust fan (10) and step motor (16), its characterized in that: the top of the mould shell (1) is fixed with a feed hopper (2) through a bolt, the outer surface of the feed hopper (2) is sleeved with a pre-cooling cylinder (11), the bottom of the mould shell (1) is integrally connected with a lower hopper (3), the outer surface of the mould shell (1) is welded with a water inlet pipe (4), the other end of the water inlet pipe (4) is welded with a water distribution pipe (31), the outer surface of the water distribution pipe (31) is uniformly provided with a spray head (32), the lower part of the outer surface of the mould shell (1), which is close to the mould shell (1), is provided with a water guide pipe (5), the other end of the water guide pipe (5) is connected with a circulating pipe (6) through a flange, the inner wall of the circulating pipe (6) is uniformly provided with heat conducting fins (7), the outer surface of the heat conducting fins (7) is uniformly provided with first through holes (8), an exhaust fan (10) is arranged on one side of the second through hole (9), the circulating pipe (6) is of an L-shaped structure, an inner cavity of the circulating pipe (6) is communicated with an inner cavity of the pre-cooling cylinder (11), a first template (12) and a second template (13) are inserted into the inner side of the mold shell (1), the second template (13) is arranged below the first template (12), a first rack (14) is fixed on the lower surface of the second template (13) through bolts, a first gear (15) is meshed at the bottom end of the first rack (14), a stepping motor (16) is fixed on the outer surface of the mold shell (1) through screws, the output end of the stepping motor (16) is fixedly connected with the first gear (15), a template connecting mechanism (27) is arranged on the outer surface of the mold shell (1), an inner template (28) is arranged on one side of the template connecting mechanism (27), and the inner template (28) is arranged on the inner side of the mold shell (1), the rear end of the inner template (28) is provided with a third template (25), and the outer surface of the inner template (28) is integrally connected with a sliding block (29).

2. The environment-friendly aluminum alloy continuous casting mold with a thermal cycle structure as claimed in claim 1, wherein: the bottom surface of feeder hopper (2) passes through the screw fixed with the interior wall connection of mould shell (1), the quantity of first template (12) is two sets of, and is two sets of first template (12) are opposition and arrange, and the other end of two sets of first templates (12) pierces through the surface of mould shell (1), the lower surface of first template (12) is contradicted with the top of interior template (28).

3. The environment-friendly aluminum alloy continuous casting mold with a thermal cycle structure as claimed in claim 1, wherein: the bottom end inner cavity of the circulating pipe (6) is communicated with the inner cavity of the die shell (1) through a water guide pipe (5), and the heat conducting fins (7) are obliquely arranged.

4. The environment-friendly aluminum alloy continuous casting mold with a thermal cycle structure as claimed in claim 1, wherein: the rear end of the second template (13) is fixed with a second rack (17) through screws, the outer surface of the mold shell (1) is fixed with a connecting pile (18) through screws, the outer surface of the connecting pile (18) is provided with a screw rod (19), the outer surface of the screw rod (19) is sleeved with a second gear (20), and the second gear (20) is meshed with the second rack (17).

5. The environment-friendly aluminum alloy continuous casting mold with the thermal cycle structure as claimed in claim 4, wherein: lead screw (19) are connected through bearing and connection stake (18) rotation, the surface cover of lead screw (19) is equipped with silk braid (21), sliding construction is constituteed with lead screw (19) in silk braid (21), the outer skin weld of silk braid (21) has connecting rod (22), the other end weld of connecting rod (22) has sliding sleeve (23), and the top of sliding sleeve (23) is fixed with the rear end outer surface connection of third template (25).

6. The environment-friendly aluminum alloy continuous casting mold with the thermal cycle structure as claimed in claim 5, wherein: the inner side of the sliding sleeve (23) is provided with a sliding rod (24) in a penetrating mode, the outer surface of the sliding rod (24) is smooth, the two ends of the sliding rod (24) are fixedly welded with the inner wall of the die shell (1), and the sliding sleeve (23) and the sliding rod (24) form a sliding structure.

7. The environment-friendly aluminum alloy continuous casting mold with a thermal cycle structure as claimed in claim 1, wherein: the two sides of the third template (25) are embedded into the inner wall of the mold shell (1), the third template (25) and the mold shell (1) form a sliding structure, and the rear end of the third template (25) is provided with a sealing lifting mechanism (26).

8. The environment-friendly aluminum alloy continuous casting mold with a thermal cycle structure as claimed in claim 7, wherein: leakproofness hoist mechanism (26) include sleeve (261), spring (262) and fore-set (263), sleeve (261) passes through the screw and is fixed with the surface connection of mould shell (1), the inboard of sleeve (261) is provided with spring (262) and fore-set (263), elastic structure is constituteed with spring (262) to fore-set (263), extending structure is constituteed with sleeve (261) to fore-set (263), the front end of fore-set (263) contradicts with the rear end surface of third template (25).

9. The environment-friendly aluminum alloy continuous casting mold with a thermal cycle structure as claimed in claim 1, wherein: the template connecting mechanism (27) comprises a fixing box (2701), a fixing pile (2702), a shifting rod (2703) and a limiting pin (2704), wherein the fixing box (2701) is fixedly connected with the inner wall of the mold shell (1) through screws, the fixing pile (2702) is welded on the outer surface of the mold shell (1), the fixing pile (2702) is arranged on two sides of the shifting rod (2703), the shifting rod (2703) is hinged to the fixing pile (2702) through a hinged shaft, the rear end of the shifting rod (2703) is hinged to the limiting pin (2704) through the hinged shaft, and the limiting pin (2704) penetrates through the outer surface of the fixing box (2701).

10. The environment-friendly aluminum alloy continuous casting mold with a thermal cycle structure as claimed in claim 9, wherein: the sliding block (29) is of an L-shaped structure, the sliding block (29) is inserted into the outer surface of the fixing box (2701), a clamping groove (30) is formed in the outer surface of the sliding block (29), the limiting pin (2704) is inserted into and fixed with the clamping groove (30), and the bottom end of the inner template (28) is abutted to the second template (13).