CN209867001U - Aluminum profile extrusion and flow distribution die - Google Patents
Aluminum profile extrusion and flow distribution die Download PDFInfo
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- CN209867001U CN209867001U CN201920233342.6U CN201920233342U CN209867001U CN 209867001 U CN209867001 U CN 209867001U CN 201920233342 U CN201920233342 U CN 201920233342U CN 209867001 U CN209867001 U CN 209867001U
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Abstract
The utility model discloses an aluminium alloy extrusion reposition of redundant personnel mould, including last mould (1), it is provided with mold core (100) and reposition of redundant personnel hole to go up mould (1), the reposition of redundant personnel hole includes first reposition of redundant personnel hole (102), second reposition of redundant personnel hole (103), third reposition of redundant personnel hole (104), fourth reposition of redundant personnel hole (105), fifth reposition of redundant personnel hole (106) and sixth reposition of redundant personnel hole (107) in proper order, and wherein, first reposition of redundant personnel hole (102) and fourth reposition of redundant personnel hole (105) are for the central axis symmetric distribution of mold core (100), and second reposition of redundant personnel hole (103) and fifth reposition of redundant personnel hole (106) are for the central axis symmetric distribution of mold core (100), and third reposition of redundant personnel hole (104) and sixth reposition of redundant. The utility model discloses can carry out reasonable enhancement and decompression to the die core, simultaneously, improve the plane degree on section bar welding seam quality and section bar surface.
Description
Technical Field
The utility model relates to an aluminium alloy mould field especially relates to an aluminium alloy extrusion reposition of redundant personnel mould.
Background
Along with the continuous progress of aluminum alloy processing technology and the continuous expansion of application range, at present, the production of aluminum alloy sections needs to use an extrusion die to shape the aluminum alloy sections, and the extrusion die is very important in the extrusion production of the aluminum alloy sections and directly influences the size precision and the shape precision of the sections.
For some sectional materials with large width-thickness ratio difference, thin wall and large width, the mold core strength of the extrusion mold is weak, the problems of deformation, even fracture and the like are easily caused, and the welding performance and the welding strength are difficult to ensure.
SUMMERY OF THE UTILITY MODEL
The present invention aims to solve the above-described problems. The utility model aims at providing an aluminium alloy extrusion reposition of redundant personnel mould of solving above problem, specifically, the utility model provides a can carry out reasonable enhancement and decompression and improve the aluminium alloy extrusion reposition of redundant personnel mould of the plane degree on section bar welding seam quality and section bar surface to the mold core.
According to the utility model discloses an aspect provides a section bar extrusion reposition of redundant personnel mould, comprises an upper die, it is provided with mold core and reposition of redundant personnel hole to go up the mould, the reposition of redundant personnel hole includes first reposition of redundant personnel hole, second reposition of redundant personnel hole, third reposition of redundant personnel hole, fourth reposition of redundant personnel hole, fifth reposition of redundant personnel hole and sixth reposition of redundant personnel hole in proper order, wherein, first reposition of redundant personnel hole and fourth reposition of redundant personnel hole for the central axis symmetric distribution of mold core, second reposition of redundant personnel hole and fifth reposition of redundant personnel hole for the central axis symmetric distribution of mold core, third reposition of redundant personnel hole and sixth.
Wherein, above-mentioned aluminium alloy extrusion reposition of redundant personnel mould can also have following characteristics:
the cross-sectional area ratios of the first flow dividing hole, the third flow dividing hole, the fourth flow dividing hole and the sixth flow dividing hole are equal, and the cross-sectional area ratios of the second flow dividing hole and the fifth flow dividing hole are equal.
Wherein, above-mentioned aluminium alloy extrusion reposition of redundant personnel mould can also have following characteristics:
the sectional area of the first flow dividing hole is 10% -15% larger than that of the second flow dividing hole, the sectional area of the third flow dividing hole is 10% -15% larger than that of the second flow dividing hole, the sectional area of the fourth flow dividing hole is 10% -15% larger than that of the fifth flow dividing hole, and the sectional area of the sixth flow dividing hole is 10% -15% larger than that of the fifth flow dividing hole.
Wherein, above-mentioned aluminium alloy extrusion reposition of redundant personnel mould can also have following characteristics:
the ratio of the total area of the shunting holes to the cross-sectional area of the extruded product is 10-15.
Wherein, above-mentioned aluminium alloy extrusion reposition of redundant personnel mould can also have following characteristics:
and a third shunting bridge is arranged between the first shunting hole and the second shunting hole, and a fourth shunting bridge is arranged between the second shunting hole and the third shunting hole, and a fifth shunting bridge is arranged between the third shunting hole and the fifth shunting hole.
Wherein, above-mentioned aluminium alloy extrusion reposition of redundant personnel mould can also have following characteristics:
the first flow dividing bridge and the second flow dividing bridge are symmetrically distributed with the third flow dividing bridge and the fourth flow dividing bridge relative to the mold core.
Wherein, above-mentioned aluminium alloy extrusion reposition of redundant personnel mould can also have following characteristics:
the angle formed by the first flow-dividing bridge and the third flow-dividing bridge is 160-180 degrees, and the angle formed by the second flow-dividing bridge and the fourth flow-dividing bridge is 160-180 degrees.
Wherein, above-mentioned aluminium alloy extrusion reposition of redundant personnel mould can also have following characteristics:
the cross sections of the first flow dividing bridge, the second flow dividing bridge, the third flow dividing bridge and the fourth flow dividing bridge are all drop-shaped cross sections.
Wherein, above-mentioned aluminium alloy extrusion reposition of redundant personnel mould can also have following characteristics:
and an upper welding chamber is arranged at the discharge port of the upper die.
Wherein, above-mentioned aluminium alloy extrusion reposition of redundant personnel mould can also have following characteristics:
comprises a lower die, the lower die comprises a lower welding chamber and a die hole,
the lower welding chamber is a multi-stage welding chamber.
Wherein, above-mentioned aluminium alloy extrusion reposition of redundant personnel mould can also have following characteristics:
the multistage welding chamber comprises a first-stage welding chamber and a second-stage welding chamber.
The utility model provides an aluminium alloy extrusion reposition of redundant personnel mould through the optimal design to the mould, makes the aluminium alloy at extrusion in-process, has carried out reasonable enhancement and decompression to fragile mold core, and the flow resistance of multistage welding room to the metal stream is adjusted again in the design for section bar extrusion speed, on the one hand, on the other hand improves section bar welding seam quality and the plane degree on section bar surface.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention. In the drawings, like reference numerals are used to indicate like elements. The drawings in the following description are directed to some, but not all embodiments of the invention. For a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 is a schematic structural view of an aluminum profile extrusion splitting die according to the present invention;
fig. 2 is a schematic cross-sectional view of an aluminum profile extrusion splitting die according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a flow distribution bridge of an aluminum profile extrusion flow distribution die according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a lower die of the aluminum profile extrusion splitting die according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The basic idea of the utility model is to provide an aluminium alloy extrusion reposition of redundant personnel mould, make the mould carry out reasonable enhancement and decompression to fragile mold core, simultaneously, improve the plane degree on section bar welding seam quality and section bar surface.
The aluminum profile extrusion splitting die provided by the exemplary embodiment of the invention is described in detail below with reference to the accompanying drawings.
Fig. 1 shows a structural schematic diagram of an aluminum profile extrusion split-flow die provided according to an embodiment of the present invention, fig. 2 shows a sectional schematic diagram of an aluminum profile extrusion split-flow die provided according to an embodiment of the present invention, and as shown in fig. 1 and fig. 2, the aluminum profile extrusion split-flow die includes an upper die 1, the upper die 1 is provided with a die core 100 and split-flow holes, the split-flow holes sequentially include a first split-flow hole 102, a second split-flow hole 103, a third split-flow hole 104, a fourth split-flow hole 105, a fifth split-flow hole 106 and a sixth split-flow hole 107, wherein the first split-flow hole 102 and the fourth split-flow hole 105 are symmetrically distributed with respect to a central axis of the die core 100, the second split-flow hole 103 and the fifth split flow hole 106 are symmetrically distributed with respect to a central axis of the die core 100, the third split flow hole, the extrusion pressure on the die is more balanced, and particularly, the fragile die core is reasonably strengthened and decompressed, so that the die is not easy to deform or even break, and the size precision and the qualification rate of extruded profile products are improved.
The cross-sectional area ratios of the first flow dividing hole 102, the third flow dividing hole 104, the fourth flow dividing hole 105 and the sixth flow dividing hole 107 are equal, the cross-sectional area ratios of the second flow dividing hole 103 and the fifth flow dividing hole 106 are equal, and the uniform flowability of the metal flow is effectively controlled by controlling the cross-sectional areas of the corresponding flow dividing holes, the trend and the flow speed of the metal in the flow dividing holes.
In order to improve the strength of the extruded section, an upper welding chamber 101 is arranged at the discharge port of the upper die 1.
The flow distribution holes are designed in six rows, the arrangement of the flow distribution holes is kept geometric similarity with a product, the welding of the material supply and the metal on two sides is ensured by enlarging the sectional area of the flow distribution holes on two sides, specifically, the sectional area of the first flow distribution hole 102 is 10% -15% larger than that of the second flow distribution hole 103, the sectional area of the third flow distribution hole 104 is 10% -15% larger than that of the second flow distribution hole 103, the sectional area of the fourth flow distribution hole 105 is 10% -15% larger than that of the fifth flow distribution hole 106, the sectional area of the sixth flow distribution hole 107 is 10% -15% larger than that of the fifth flow distribution hole 106, and the ratio of the total area of the flow distribution holes to the sectional area of the extruded product is 10-15.
A flow dividing bridge is formed between the flow dividing holes, specifically, a first flow dividing bridge 108 is arranged between the first flow dividing hole 102 and the second flow dividing hole 103, a second flow dividing bridge 109 is arranged between the second flow dividing hole 103 and the third flow dividing hole 104, a third flow dividing bridge 110 is arranged between the fourth flow dividing hole 105 and the fifth flow dividing hole 106, and a fourth flow dividing bridge 111 is arranged between the fifth flow dividing hole 106 and the sixth flow dividing hole 107.
Specifically, the first shunting bridge 108 and the second shunting bridge 109 are symmetrically distributed with respect to the mold core 100, the third shunting bridge 110 and the fourth shunting bridge 111, an angle formed by the first shunting bridge 108 and the third shunting bridge 110 is 160-180 degrees, and an angle formed by the second shunting bridge 109 and the fourth shunting bridge 111 is 160-180 degrees.
Fig. 3 shows a schematic cross-sectional view of a flow distribution bridge of an aluminum profile extrusion flow distribution die according to an embodiment of the present invention.
As shown in fig. 3, the cross-sections of the first flow-dividing bridge 108, the second flow-dividing bridge 109, the third flow-dividing bridge 110 and the fourth flow-dividing bridge 111 are all drop-shaped cross-sections.
Fig. 4 shows a schematic structural diagram of a lower die of the aluminum profile extrusion splitting die provided according to an embodiment of the present invention.
As shown in fig. 4, the aluminum profile extrusion shunting die further comprises a lower die 2 matched with the upper die 1, the lower die 2 comprises a lower welding chamber 20 and a die hole 21, the lower welding chamber 20 is a multistage welding chamber, under the action of extrusion, the metal material flow is divided into a plurality of strands from the upper die shunting hole, each strand of metal material flow flows through the multistage welding chamber and is extruded through the die hole 21 to form a profile 3, and through the multistage welding chamber extrusion die, on one hand, the flow resistance of the metal material flow is readjusted, the extrusion speed of the profile 3 is accelerated, and on the other hand, the temperature and the distribution state of the metal material flow gradually become uniform.
The multistage welding chamber comprises a first-stage welding chamber 201 and a second-stage welding chamber 202, and the first-stage welding chamber 201, the second-stage welding chamber 202 and the die holes 21 are arranged in the order of large cross section area and small cross section area.
The utility model provides an aluminium alloy extrusion reposition of redundant personnel mould can make the extrusion pressure that the mould received more balanced, carries out reasonable enhancement and decompression to the mold core, effectively solves the mold core and warp or cracked problem, through utilizing multistage seam room extrusion die, on the one hand, the effective control metal flows for the metal stream distributes evenly, temperature distribution is even, and on the other hand risees seam pressure gradually, makes section bar welding seam quality and surface obtain improving.
The above-described embodiments can be implemented individually or in various combinations, and such variations are within the scope of the present invention.
It is to be noted that, in this document, the terms "comprises", "comprising" or any other variation thereof are intended to cover a non-exclusive inclusion, so that an article or apparatus including a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional like elements in the article or device comprising the element.
The above embodiments are merely for illustrating the technical solutions of the present invention and are not to be construed as limiting, and the present invention is described in detail with reference to the preferred embodiments. It should be understood by those skilled in the art that various modifications and equivalent substitutions may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and all the modifications and equivalents should be covered by the scope of the claims of the present invention.
Claims (11)
1. The utility model provides an aluminium alloy extrusion reposition of redundant personnel mould which characterized in that: comprises an upper die (1), the upper die (1) is provided with a die core (100) and a shunting hole,
the flow dividing holes sequentially comprise a first flow dividing hole (102), a second flow dividing hole (103), a third flow dividing hole (104), a fourth flow dividing hole (105), a fifth flow dividing hole (106) and a sixth flow dividing hole (107),
the first flow dividing hole (102) and the fourth flow dividing hole (105) are symmetrically distributed relative to the central axis of the mold core (100), the second flow dividing hole (103) and the fifth flow dividing hole (106) are symmetrically distributed relative to the central axis of the mold core (100), and the third flow dividing hole (104) and the sixth flow dividing hole (107) are symmetrically distributed relative to the central axis of the mold core (100).
2. The aluminum profile extrusion splitting die of claim 1,
the cross-sectional area ratios of the first flow dividing hole (102), the third flow dividing hole (104), the fourth flow dividing hole (105) and the sixth flow dividing hole (107) are equal, and the cross-sectional area ratios of the second flow dividing hole (103) and the fifth flow dividing hole (106) are equal.
3. The aluminum profile extrusion splitting die of claim 1,
the sectional area of the first flow dividing hole (102) is 10-15% larger than that of the second flow dividing hole (103), the sectional area of the third flow dividing hole (104) is 10-15% larger than that of the second flow dividing hole (103), the sectional area of the fourth flow dividing hole (105) is 10-15% larger than that of the fifth flow dividing hole (106), and the sectional area of the sixth flow dividing hole (107) is 10-15% larger than that of the fifth flow dividing hole (106).
4. The aluminum profile extrusion splitting die of claim 1,
the ratio of the total area of the shunting holes to the cross-sectional area of the extruded product is 10-15.
5. The aluminum profile extrusion splitting die of claim 1,
a first shunt bridge (108) is arranged between the first shunt hole (102) and the second shunt hole (103), a second shunt bridge (109) is arranged between the second shunt hole (103) and the third shunt hole (104), a third shunt bridge (110) is arranged between the fourth shunt hole (105) and the fifth shunt hole (106), and a fourth shunt bridge (111) is arranged between the fifth shunt hole (106) and the sixth shunt hole (107).
6. The aluminum profile extrusion splitting die of claim 5,
the first shunting bridge (108) and the second shunting bridge (109) are symmetrically distributed with the third shunting bridge (110) and the fourth shunting bridge (111) relative to the mold core (100).
7. The aluminum profile extrusion splitting die of claim 5,
the angle formed by the first flow-dividing bridge (108) and the third flow-dividing bridge (110) is 160-180 degrees, and the angle formed by the second flow-dividing bridge (109) and the fourth flow-dividing bridge (111) is 160-180 degrees.
8. The aluminum profile extrusion splitting die of claim 5,
the cross sections of the first shunting bridge (108), the second shunting bridge (109), the third shunting bridge (110) and the fourth shunting bridge (111) are all drop-shaped cross sections.
9. The aluminum profile extrusion splitting die as recited in claim 1, wherein the discharge port of the upper die (1) is provided with an upper welding chamber (101).
10. The aluminum profile extrusion splitting die of claim 1, comprising a lower die (2), wherein the lower die (2) comprises a lower welding chamber (20) and a die hole (21),
the lower welding chamber (20) is a multi-stage welding chamber.
11. The aluminum profile extrusion splitting die of claim 10,
the multi-stage welding chamber comprises a first-stage welding chamber (201) and a second-stage welding chamber (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233342.6U CN209867001U (en) | 2019-02-22 | 2019-02-22 | Aluminum profile extrusion and flow distribution die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920233342.6U CN209867001U (en) | 2019-02-22 | 2019-02-22 | Aluminum profile extrusion and flow distribution die |
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| Publication Number | Publication Date |
|---|---|
| CN209867001U true CN209867001U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920233342.6U Active CN209867001U (en) | 2019-02-22 | 2019-02-22 | Aluminum profile extrusion and flow distribution die |
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| CN (1) | CN209867001U (en) |
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