CN114011895A - Aluminum profile hot extrusion die convenient to form - Google Patents
Aluminum profile hot extrusion die convenient to form Download PDFInfo
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- CN114011895A CN114011895A CN202111048116.9A CN202111048116A CN114011895A CN 114011895 A CN114011895 A CN 114011895A CN 202111048116 A CN202111048116 A CN 202111048116A CN 114011895 A CN114011895 A CN 114011895A
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- shell
- inner shell
- hot extrusion
- extrusion die
- aluminum profile
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- 238000001192 hot extrusion Methods 0.000 title claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 48
- 230000017525 heat dissipation Effects 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 22
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 9
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 21
- 239000000843 powder Substances 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000003068 static effect Effects 0.000 claims description 6
- 230000000670 limiting effect Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000008602 contraction Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 4
- 238000007731 hot pressing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/04—Cooling or heating of press heads, dies or mandrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention provides a conveniently formed aluminum profile hot extrusion die which comprises a lower die, wherein a plurality of heat dissipation components capable of dissipating heat are annularly embedded in the vertical direction in an upper-lower vertical direction in an equal-adjacent manner on the inner position of the outer surface of the longitudinal side of the lower die; the heat dissipation assembly comprises an inner shell, an outer shell, a movable assembly and a cooling assembly, wherein the movable assembly can move after the temperature of the lower die rises, and the cooling assembly can reduce the temperature; the inner shells are embedded in the inner positions of the outer surfaces of the longitudinal sides of the lower die in an up-and-down vertical direction in an equal-adjacent and separated manner; an outer shell is fixedly arranged between the top end and the bottom end of the left side of the inner shell; the middle end position in the inner part of the inner shell is movably provided with a movable component. This kind of aluminium alloy hot extrusion die convenient to take shape can play and makes the lower mould possess the heat dissipation function, when carrying out extrusion after last mould notes material, the temperature of lower mould surface can not rise gradually, can in time dispel the heat to it, has prolonged the life's of lower mould effect.
Description
Technical Field
The invention relates to the technical field of aluminum profile processing devices, in particular to an aluminum profile hot extrusion die convenient to form.
Background
The existing aluminum alloy hot extrusion die mostly adopts a single-hole structure, only one section can be produced at a time, and the production efficiency is low; in addition, the existing aluminum alloy hot-pressing mold is mostly of an integrated structure, so that the whole aluminum alloy hot-pressing mold is inconvenient to disassemble, assemble and maintain.
Aiming at the problems, the technical problems of low effectiveness efficiency of aluminum alloy hot extrusion and the like are solved, and a hot extrusion die for aluminum alloy forming with the patent number of CN201920250951.2 is inquired through a large amount of search, and comprises an upper die and a lower die which are assembled into a whole; a liquid storage tank and a drainage tank are arranged at the center of the upper end of the upper die; the upper end of the upper die is provided with a first shunting groove and a second shunting groove which are distributed in a circumferential array; the upper end of the lower die is provided with a mounting groove with the same diameter as the upper die; a plurality of first welding chambers and second welding chambers which are square are arranged in the mounting groove; the bottom end of the first welding chamber is provided with a first extrusion cavity, and the bottom end of the second welding chamber is provided with a second extrusion cavity with the diameter smaller than that of the first extrusion cavity; the upper die and the lower die are assembled together through the fastening bolt, so that the upper die and the lower die are convenient to disassemble; be equipped with a plurality of extrusion chambeies of different sizes on the extrusion die, can produce a plurality of aluminum alloy products of different sizes simultaneously, this has improved production efficiency.
However, the technical scheme that this patent provided does not have the heat dissipation function to the lower mould, when going on carrying out extrusion behind the last mould notes material, the temperature of lower mould surface can rise gradually, if not in time dispel the heat to it, reduces the life of lower mould easily.
Disclosure of Invention
The present invention is directed to solve the technical problems of the background art, and provides a hot extrusion die for aluminum profiles, which is convenient for forming.
In order to achieve the purpose, the invention provides the following technical scheme: an aluminum profile hot extrusion die convenient to form comprises
The inner positions of the outer surfaces of the longitudinal sides of the lower die are in vertically-vertical direction and are in equal-adjacent row surrounding embedding with a plurality of radiating components capable of radiating heat;
the heat dissipation assembly comprises an inner shell, an outer shell, a movable assembly and a cooling assembly, wherein the movable assembly can move after the temperature of the lower die rises, and the cooling assembly can reduce the temperature;
the inner shells are embedded in the inner positions of the outer surfaces of the longitudinal sides of the lower die in an up-down vertical direction in an equal-adjacent and separated manner;
an outer shell is fixedly arranged between the top end and the bottom end of the left side of the inner shell;
a movable component is movably arranged at the middle end position in the inner part of the inner shell;
and a cooling component is embedded between the bottom end of the inner part of the outer shell and the lower end of the left outer wall of the inner shell.
Further preferred embodiments: the outer appearance of the inner shell is in a hollow circular shape on a longitudinal section, a notch is formed in the position of the lower left end of the inner shell, and the inner shell is made of copper.
Further preferred embodiments: and a limiting strip is fixedly arranged at the lower end of the left inner wall of the inner shell close to the notch of the inner shell.
Further preferred embodiments: the outward appearance of shell is inside cavity, the 90 letter "U" shape recess forms of clockwise tilt of opening on the straight right side in a left side, the right-hand member top bottom inner wall of shell respectively fixed mounting in both ends position at the bottom of the top of inner shell, the shell is apart from distance between the lower mould surface is less than the inner shell is apart from between the surface of lower mould, the material of shell also is copper, the inner wall of shell with the cavity has been seted up between the left outer wall of inner shell, the cavity bottom is inlayed and is equipped with the cooling subassembly.
Further preferred embodiments: the movable component comprises:
the central position in the inner shell is provided with a rotating shaft in a front-back horizontal direction in a rotating way;
the fly leaf, the surface of pivot encircles fixed mounting has the fly leaf, the inside left end position of fly leaf is the cavity state, the fly leaf is in the static equilibrium state of level under normal conditions, the left and right sides surface of fly leaf with the laminating of the inner wall surface of inner shell.
Further preferred embodiments: the movable component also comprises:
ammonium nitrate powder is preloaded at the inner left end position of the movable plate.
Further preferred embodiments: the movable component also comprises:
and the right end of the outer surface of the bottom side of the movable plate is fixedly provided with a first air bag.
Further preferred embodiments: the cooling subassembly including:
and a second air bag is embedded between the lower end of the left outer wall of the inner shell and the bottom end and the bottom wall of the left inner wall of the outer shell.
Further preferred embodiments: the cooling subassembly is still including:
clean water is pre-filled in the inner position of the second air bag.
Further preferred embodiments: the cooling subassembly is still including:
the right part of the top end of the second air bag is vertically penetrated and embedded with a guide pipe, the appearance of the guide pipe is in a horn shape on one longitudinal section, and the caliber of the top end of the guide pipe is larger than that of the bottom end of the guide pipe;
the slider, position slidable mounting has the slider to between the bottom in the inside of pipe, the material of slider is rubber, the side surface of indulging of slider under normal condition with the inner wall surface of pipe is closely laminated.
Has the advantages that:
1. the aluminum profile hot extrusion die convenient to form utilizes the principles of expansion with heat and contraction with cold, lever and negative pressure, when the aluminum profile is extruded and molded after the aluminum profile is injected by an upper die, the temperature in a lower die can be gradually increased, in the process of conducting the heat temperature from the inside to the outside of the lower die, the heat can be firstly transferred to an inner shell of the heat dissipation assembly, because the inner shell is made of copper, the inner shell can timely conduct the heat to the inside of the inner shell, so that the internal temperature of the inner shell is increased, under the action of the principles of expansion with cold and lever, a movable assembly of the heat dissipation assembly can move, when the movable assembly moves to a position of a limit strip of the inner shell, one type of cooling material of the movable assembly can flow out to the inner bottom end of an outer shell of the heat dissipation assembly through a gap of the inner shell, under the action of the negative pressure principle, the other type of cooling material in the cooling assembly of the heat dissipation assembly is extruded, and the two types of cooling material are contacted and mixed in the outer shell, the two absorb a large amount of heat to cool, the cold temperature is conducted to the outer surface of the lower die through the shell made of copper, so that the high-temperature heat on the lower die can be dissipated under the continuous cooperation action of the plurality of heat dissipation assemblies;
2. according to the aluminum profile hot extrusion die convenient to form, by arranging the movable assembly, by utilizing the principle of expansion with heat and contraction with cold and the lever principle, when the temperature in the lower die is not increased, the movable plate of the movable assembly is in a horizontal static balance state, the ammonium nitrate powder at the left end of the movable plate does not overflow, and the first air bag at the bottom of the right end of the movable plate is in a natural expansion undeformed state; when the temperature in the lower die rises, the state can be gradually broken, namely after the temperature in the inner shell rises as above, heat can be conducted to one surface of the air bag, the air bag is heated to expand under the action of a principle of expansion with heat and contraction with cold, further the buoyancy of the air bag is increased, the movable plate is pushed to rotate anticlockwise under the action of a lever principle, when the bottom of the left end of the movable plate rotates to the position of the limit strip of the inner shell, the movable plate is in a state of low left and high right, ammonium nitrate powder at the left end in the movable plate just flows out through the notch of the inner shell and falls onto the cooling component at the bottom end of the outer shell, so that the temperature reduction reaction is promoted subsequently, and the movable lower die can move after the temperature rises, and the heat dissipation is facilitated;
3. according to the aluminum profile hot extrusion die convenient to form, the cooling assembly is arranged, and by utilizing the negative pressure principle, when the temperature in the lower die is not increased, the air bag II of the cooling assembly is in a natural expansion undeformed state, clear water in the air bag II does not overflow, and the outer surface of the longitudinal side of the sliding block in the guide pipe at the right part of the top end of the air bag II is tightly attached to the surface of the inner wall of the guide pipe; when the temperature in the lower die rises, the state can be gradually broken, namely, after the ammonium nitrate powder flows out through the gap of the inner shell, the ammonium nitrate powder firstly falls to the top end of the second air bag, because the lower end of the left outer wall of the inner shell, the bottom end of the left inner wall of the outer shell and the bottom wall of the inner shell limit the second air bag, the ammonium nitrate powder can extrude the second air bag to deform, under the action of a negative pressure principle, air in the second air bag surges upwards towards the bottom end opening of the guide pipe, upward thrust is given to the sliding block, and the sliding block slides out of the guide pipe finally, so that clean water in the second air bag overflows to the outside of the air bag through the guide pipe, is mixed and contacted with the ammonium nitrate powder to absorb heat and reduce the temperature, and the cold temperature is conducted to the outside of the lower die through the outer shell to dissipate heat, so that the temperature is reduced and the heat dissipation is facilitated;
4. to sum up, this kind of aluminium alloy hot extrusion die convenient to take shape through the combined action of radiator unit, movable assembly and cooling module etc. can make the lower mould possess the heat dissipation function, when carrying out extrusion behind last mould notes material, the temperature of lower mould surface can not rise gradually, can in time dispel the heat to it, has prolonged the life of lower mould.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic perspective cross-sectional view of a lower mold of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic perspective cross-sectional view of a heat dissipation assembly of the present invention;
FIG. 5 is a schematic perspective cross-sectional view of the inner shell of the present invention;
FIG. 6 is a schematic perspective cross-sectional view of the housing of the present invention;
FIG. 7 is a schematic perspective cross-sectional structural view of the movable assembly of the present invention;
FIG. 8 is a partial schematic view of the present invention;
in FIGS. 1-8: 1-lower mould;
2-a heat dissipation assembly; 201-inner shell; 202-a housing; 203-a movable component; 204-a cooling component;
201 a-a spacing bar;
203 a-a rotating shaft; 203 b-a movable plate; 203 c-air bag one;
204 a-air bag II; 204 b-a catheter; 204c — slider.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 8 in the embodiments of the present invention.
Example 1
Referring to fig. 1-6, in an embodiment of the present invention, a mold for hot extrusion of aluminum profile for easy forming includes
The inner positions of the outer surfaces of the longitudinal sides of the lower die 1 are in vertically-vertical equal-adjacent rows and are circumferentially embedded with a plurality of radiating components 2 capable of radiating heat;
the heat dissipation assembly 2 comprises an inner shell 201, an outer shell 202, a movable assembly 203 which can move after the temperature of the lower die 1 rises, and a cooling assembly 204 which can reduce the temperature;
the inner shells 201 are embedded in the inner positions of the outer surfaces of the longitudinal sides of the lower die 1 in an up-and-down vertical direction in an equal-adjacent and separated manner;
an outer shell 202 is fixedly arranged between the left top end and the left bottom end of the inner shell 201;
a movable component 203 is movably arranged at the middle end position in the inner part of the inner shell 201;
a cooling component 204 is embedded between the bottom end of the inner part of the outer shell 202 and the lower end of the left outer wall of the inner shell 201.
In the embodiment of the present invention, the outer appearance of the inner shell 201 is a hollow circular shape on a longitudinal section, a notch is formed at the left lower end of the inner shell 201, and the inner shell 201 is made of copper;
the inner shell 201 is a round shape with a hollow inner part on a longitudinal section, and the material is copper, so that after the temperature in the lower die 1 rises, heat can be conducted to the inner shell 201 through the inner shell 201 made of copper, the movable component 203 in the inner shell slides on the inner wall of the inner shell 201 to release a cooling material into the outer shell 202, and the cooling is promoted in time.
In the embodiment of the invention, a position of the lower end of the left inner wall of the inner shell 201 close to the gap thereof is fixedly provided with a limit strip 201 a;
the position-limiting strip 201a is convenient for the cooling material in the movable element 203 to flow out into the outer shell 202 through the gap at the position of the inner shell 201 after the movable element 203 abuts against the position of the position-limiting strip 201a when sliding on the inner wall of the inner shell 201.
In the embodiment of the invention, the outer shell 202 is hollow inside and is in a shape of a letter 'U' -shaped groove which is opened straight left and right and is inclined clockwise by 90 degrees, the top and bottom inner walls of the right end of the outer shell 202 are respectively and fixedly arranged at the positions of the two ends of the top and bottom of the inner shell 201, the distance between the outer shell 202 and the outer surface of the lower die 1 is smaller than the distance between the inner shell 201 and the outer surface of the lower die 1, the outer shell 202 is also made of copper, a cavity is arranged between the inner wall of the outer shell 202 and the left outer wall of the inner shell 201, and the bottom end of the cavity is embedded with a cooling component 204;
the outer shell 202 is hollow inside, and is in a shape of a letter U-shaped groove which is opened straight left and right and is inclined clockwise by 90 degrees, the distance between the outer surface of the lower die 1 and the outer surface of the inner shell 201 is smaller than the distance between the outer surface of the lower die 1 and the outer surface of the lower die 1, copper is also selected as the outer shell 202, so that when cooling materials in the inner shell 201 are led out into the outer shell 202, another type of cooling materials can be extruded out of the cooling component 204 in the inner shell, the two types of materials absorb heat and cool after contacting, and the temperature of the outer surface of the lower die 1 can be timely reduced by the vertical surface at the left end of the outer shell 202 made of copper.
The aluminum profile hot extrusion die convenient to form utilizes the principles of expansion with heat and contraction with cold, lever and negative pressure by arranging the heat dissipation component 2, when the aluminum profile is extruded and formed after the material is injected by an upper die, the temperature in the lower die 1 can be gradually raised, in the process of conducting the heat temperature from the inside to the outside of the lower die 1, the heat can be firstly transferred to the inner shell 201 of the heat dissipation component 2, because the inner shell 201 is made of copper, the heat can be timely conducted to the inside of the inner shell 201 by the inner shell 201, the internal temperature of the inner shell 201 is raised, under the action of the principles of expansion with cold and lever, the movable component 203 of the heat dissipation component 2 is moved, when the movable component is moved to the position of the limit strip 201a of the inner shell 201, one type of cooling material of the movable component 203 can flow out to the outer shell 202 end of the heat dissipation component 2 through the gap of the inner shell 201, and the other type of cooling material in the cooling component 204 of the heat dissipation component 2 is extruded under the action of the negative pressure principle, two types of cooling materials take place the contact in shell 202 and mix, and the two absorbs a large amount of heats and cools down, and this cold temperature is conducted to lower mould 1 surface through the shell 202 that the material is copper equally again, so under a plurality of radiator unit 2's continuous combined action, can realize going up high temperature thermal giving off to lower mould 1.
Example 2
Referring to fig. 4 and 7, the embodiment of the present invention is different from embodiment 1 in that: the movable assembly 203 comprises:
a rotating shaft 203a, wherein the rotating shaft 203a is rotatably arranged at the central position in the inner shell 201 in the front-back horizontal direction;
the outer surface of the rotating shaft 203a is fixedly provided with a movable plate 203b, the inner left end of the movable plate 203b is in a hollow state, the movable plate 203b is in a horizontal static balance state under normal conditions, and the outer surfaces of the left side and the right side of the movable plate 203b are attached to the inner wall surface of the inner shell 201;
the movable plate 203b is in a hollow state at the left end inside, and is in a horizontal static equilibrium state under normal conditions, so that ammonium nitrate powder is conveniently contained, and after the temperature in the inner shell 201 rises, the movable plate 203b rotates anticlockwise, and the ammonium nitrate powder in the movable plate is led out to the outer shell 202 through a gap of the inner shell 201 by using the principle of expansion with heat and contraction with cold and a lever.
In this embodiment of the present invention, the movable assembly 203 further includes:
ammonium nitrate powder is preloaded at the inner left end position of the movable plate 203 b;
the ammonium nitrate powder as a cooling material can absorb a large amount of heat after contacting with the cooling component 204, and the temperature is reduced in time.
In this embodiment of the present invention, the movable assembly 203 further includes:
the right end of the bottom outer surface of the movable plate 203b is fixedly provided with a first air bag 203 c;
the first airbag 203c is designed to facilitate the utilization of the principle of expansion with heat and contraction with cold, and after the temperature in the inner shell 201 rises, the airbag expands after receiving heat, and the buoyancy of the airbag increases, so that the movable plate 203b rotates counterclockwise to lead out ammonium nitrate powder.
According to the aluminum profile hot extrusion die convenient to form, by arranging the movable assembly 203, by utilizing the thermal expansion and cooling and lever principle, when the temperature in the lower die 1 is not increased, the movable plate 203b of the movable assembly 203 is in a horizontal static balance state, the ammonium nitrate powder at the left end of the interior of the movable assembly does not overflow, and the air bag 203c at the bottom of the right end of the movable assembly is in a natural expansion undeformed state; however, when the temperature in the lower die 1 rises, the state can be gradually broken, that is, after the temperature in the inner shell 201 rises as described above, the heat can be conducted to the surface of the first air bag 203c, the first air bag is heated to expand under the action of the principle of expansion with heat and contraction with cold, and then the buoyancy of the first air bag is increased, the movable plate 203b is pushed to rotate anticlockwise under the action of the lever principle, when the bottom of the left end of the movable plate 203b rotates to the position of the limit strip 201a of the inner shell 201, the movable plate 203b is in a high state from left to right, the ammonium nitrate powder at the left end in the movable plate 203b just flows out through the gap of the inner shell 201 and falls onto the cooling component 204 at the bottom end of the outer shell 202, so as to promote the subsequent cooling reaction, so as to realize the movement after the temperature of the lower die 1 rises, and facilitate the heat dissipation.
Example 3
Referring to fig. 4 and 8, the embodiment of the present invention is different from embodiment 1 in that: the cooling assembly 204 includes:
the second air bag 204a is embedded between the lower end of the left outer wall of the inner shell 201 and the bottom end and the bottom wall of the left inner wall of the outer shell 202;
the second air bag 204a is used for facilitating the utilization of the negative pressure principle, and when the ammonium nitrate powder led out from the gap of the inner shell 201 falls onto the second air bag, the clear water in the second air bag is pressed to be led out under the limiting action of the inner shell 201 and the outer shell 202.
In the embodiment of the present invention, the cooling component 204 further includes:
clear water is pre-filled in the inner position of the second air bag 204 a;
the clean water is used as another type of cooling material, and after the ammonium nitrate powder in the movable plate 203b is guided out and falls onto the second air bag 204a, the clean water is extruded out and is contacted and mixed with the second air bag to absorb a large amount of heat so as to cool.
In the embodiment of the present invention, the cooling component 204 further includes:
the right part of the top end of the second air bag 204a is vertically inserted with the guide pipe 204b in a vertical direction, the appearance of the guide pipe 204b is in a horn shape on a longitudinal section, and the caliber of the top end of the guide pipe 204b is larger than that of the bottom end thereof;
the guide tube 204b is horn-shaped in appearance on a longitudinal section, and the caliber of the top end of the guide tube is larger than that of the bottom end of the guide tube, so that when the second air bag 204a is extruded, air in the guide tube can be blown upwards towards the nozzle of the bottom end of the guide tube 204b, a slide block 204c in the guide tube 204b is jacked upwards, and finally the guide tube 204b is jacked out, so that clean water in the second air bag 204a is released in time;
the sliding block 204c is arranged between the middle part and the bottom end of the inner part of the guide pipe 204b in a sliding manner, the sliding block 204c is made of rubber, and the outer surface of the longitudinal side of the sliding block 204c is tightly attached to the surface of the inner wall of the guide pipe 204b under the normal condition;
the slide block 204c is made of rubber, so that when the normal second air bag 204a is not extruded, the guide pipe 204b is blocked to prevent clear water in the second air bag 204a from overflowing; when the second air bag 204a is squeezed, the second air bag is pushed upwards to slide away from the guide pipe 204b, so that the clean water in the second air bag 204a is released in time.
According to the aluminum profile hot extrusion die convenient to form, the cooling component 204 is arranged, and by utilizing the negative pressure principle, when the temperature in the lower die 1 is not increased, the air bag II 204a of the cooling component 204 is in a natural expansion undeformed state, clear water in the air bag II does not overflow, and the outer surface of the longitudinal side of the sliding block 204c in the guide pipe 204b at the right part of the top end of the air bag II is tightly attached to the surface of the inner wall of the guide pipe 204 b; however, when the temperature in the lower die 1 rises, the state is gradually broken, that is, after the ammonium nitrate powder flows out through the notch of the inner shell 201, the ammonium nitrate powder firstly falls to the top end of the second air bag 204a, because the lower end of the left outer wall of the inner shell 201, the bottom end of the left inner wall of the outer shell 202 and the bottom wall of the inner shell limit the second air bag 204a, the ammonium nitrate powder extrudes the second air bag 204a to deform, under the action of the negative pressure principle, the air in the second air bag 204a surges upwards towards the bottom end opening of the conduit 204b, the slider 204c is provided with an upward thrust, and finally the slider 204c slides out of the conduit 204b, so that the clean water in the second air bag 204a overflows to the outside of the second air bag 204a through the conduit 204b, is mixed with the ammonium nitrate powder to absorb heat and reduce the temperature, and the cold temperature is transmitted to the outside of the lower die 1 through the outer shell 202 to dissipate the heat, thereby reducing the temperature and facilitating the heat dissipation.
Claims (10)
1. The utility model provides an aluminium alloy hot extrusion die convenient to take shape which characterized in that: comprises that
The inner position of the outer surface of the longitudinal side of the lower die (1) is in an up-down vertical direction and is in an equal-adjacent array surrounding embedding with a plurality of radiating components (2) capable of radiating heat;
the heat dissipation assembly (2) comprises an inner shell (201), an outer shell (202), a movable assembly (203) which can move after the temperature of the lower die (1) rises and a cooling assembly (204) which can reduce the temperature;
the inner shells (201) are embedded in the inner positions of the outer surfaces of the longitudinal sides of the lower die (1) in an up-and-down vertical direction in an equal-adjacent and separated manner;
an outer shell (202) is fixedly arranged between the top and the bottom of the left side of the inner shell (201);
a movable component (203) is movably arranged at the middle end position in the inner part of the inner shell (201);
and a cooling component (204) is embedded between the inner bottom end of the outer shell (202) and the lower end of the left outer wall of the inner shell (201).
2. The aluminum profile hot extrusion die convenient to form as claimed in claim 1, is characterized in that: the outer appearance of the inner shell (201) is in a hollow circular shape on a longitudinal section, a notch is formed in the left lower end of the inner shell (201), and the inner shell (201) is made of copper.
3. The aluminum profile hot extrusion die convenient to form as claimed in claim 1, is characterized in that: the lower end of the left inner wall of the inner shell (201) is fixedly provided with a limiting strip (201 a) close to the position of the gap.
4. The aluminum profile hot extrusion die convenient to form as claimed in claim 1, is characterized in that: the outward appearance of shell (202) is inside cavity, the 90 letter "U" shape recess forms of clockwise inclination of opening on the straight right side in a left side, shell (202) apart from the distance between lower mould (1) surface is less than inner shell (201) apart from between the surface of lower mould (1), the material of shell (202) also is copper, the inner wall of shell (202) with the cavity has been seted up between the left outer wall of inner shell (201), the cavity bottom is inlayed and is equipped with cooling subassembly (204).
5. The aluminum profile hot extrusion die convenient to form as claimed in claim 1, is characterized in that: the movable component (203) comprises:
a rotating shaft (203 a), wherein the rotating shaft (203 a) is rotatably arranged at the central position in the inner shell (201) in the front-back horizontal direction;
the outer surface of the rotating shaft (203 a) is fixedly provided with a movable plate (203 b) in a surrounding mode, the inner left end of the movable plate (203 b) is in a hollow state, the movable plate (203 b) is in a horizontal static balance state under a normal condition, and the outer surfaces of the left side and the right side of the movable plate (203 b) are attached to the surface of the inner wall of the inner shell (201).
6. The aluminum profile hot extrusion die convenient to form as claimed in claim 5, wherein: the movable component (203) further comprises:
ammonium nitrate powder is preloaded at the inner left end position of the movable plate (203 b).
7. The aluminum profile hot extrusion die convenient to form as claimed in claim 5, wherein: the movable component (203) further comprises:
the right end of the bottom outer surface of the movable plate (203 b) is fixedly provided with a first air bag (203 c).
8. The aluminum profile hot extrusion die convenient to form as claimed in claim 1, is characterized in that: the cooling component (204) comprises:
and a second air bag (204 a) is embedded between the lower end of the left outer wall of the inner shell (201) and the bottom end and the bottom wall of the left inner wall of the outer shell (202).
9. The aluminum profile hot extrusion die convenient to form as claimed in claim 8, wherein: the cooling component (204) further comprises:
clean water is pre-filled in the inner position of the second air bag (204 a).
10. The aluminum profile hot extrusion die convenient to form as claimed in claim 8, wherein: the cooling component (204) further comprises:
the right position of the top end of the second air bag (204 a) is vertically penetrated and embedded with a guide pipe (204 b), the appearance of the guide pipe (204 b) is in a horn shape on one longitudinal section, and the caliber of the top end of the guide pipe (204 b) is larger than that of the bottom end of the guide pipe;
the sliding block (204 c) is installed between the inner part of the guide pipe (204 b) and the bottom end in a sliding mode, the sliding block (204 c) is made of rubber, and the outer surface of the longitudinal side of the sliding block (204 c) is tightly attached to the surface of the inner wall of the guide pipe (204 b) under the normal condition.
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| CN202111048116.9A CN114011895A (en) | 2021-09-08 | 2021-09-08 | Aluminum profile hot extrusion die convenient to form |
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| CN202111048116.9A CN114011895A (en) | 2021-09-08 | 2021-09-08 | Aluminum profile hot extrusion die convenient to form |
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| CN114011895A true CN114011895A (en) | 2022-02-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157393A (en) * | 2022-06-02 | 2022-10-11 | 湖南安翔科技有限公司 | Production hot pressing equipment for biological plywood |
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