CN217990447U - Special-shaped aluminum profile extrusion die - Google Patents
Special-shaped aluminum profile extrusion die Download PDFInfo
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- CN217990447U CN217990447U CN202222304210.2U CN202222304210U CN217990447U CN 217990447 U CN217990447 U CN 217990447U CN 202222304210 U CN202222304210 U CN 202222304210U CN 217990447 U CN217990447 U CN 217990447U
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Abstract
The utility model discloses a special-shaped aluminum profile extrusion die, which comprises an upper die and a lower die, wherein the upper die is provided with four diversion holes, a diversion bridge is arranged between the diversion holes, a core die is arranged at the center of the upper die, the upper die is provided with a positioning boss, and a positioning groove is arranged at the relative position of the lower die; the front end of the core mould is provided with a first working part, the middle part of one side of the upper mould extending the core mould is provided with an upper pressing mould cavity, the middle part of the lower mould is provided with a lower pressing mould cavity, the periphery of the lower pressing mould cavity is provided with a second working part, the inner side of the lower pressing mould cavity is provided with a demoulding hole, and a flow choking mechanism is arranged between the upper mould and the lower mould; the utility model is provided with the cooling water channel, the demoulding holes can be kept to be cooled through the cooling water channel, and the phenomenon that the extruded section is easy to deform because the temperature of the demoulding holes is too high in the extrusion process is prevented; the positioning boss and the positioning groove are used for positioning, so that the installation is simple, the positioning area is large, the stability is strong, and the positioning is accurate; the flow blocking mechanism is arranged, so that the leakage of the aluminum material between the upper die and the lower die is effectively prevented, and the working stability is improved.
Description
Technical Field
The utility model relates to an abnormal shape aluminium alloy extrusion die technical field specifically is an abnormal shape aluminium alloy extrusion die.
Background
The aluminum profile has the advantages of light weight, high surface quality, easiness in recovery, less production energy consumption and the like, and is widely applied to the fields of civil buildings, transportation, aerospace and the like. In the aluminium alloy extrusion process, section bar shaping quality has direct relation with mould structural design, and the mould of aluminium alloy generally includes: the aluminum profile comprises an upper die and a lower die, wherein the upper die and the lower die are mostly fixed by positioning pins at present, the positioning pins are small in positioning area and difficult to connect, fix and install, pin holes are prone to abrasion, positioning is inaccurate, and inaccurate butt joint of the upper die and the lower die can seriously affect the section size of an aluminum profile; in the prior art, the upper die and the lower die are not tightly connected, and aluminum materials are easy to leak in the extrusion process; when the extrusion-molded aluminum profile is demolded from the demolding hole, the extrusion-molded aluminum profile is fatigued and easy to deform when being discharged due to high temperature generated by extrusion, and the demolding hole can be blocked seriously.
Disclosure of Invention
The utility model aims at solving the problem and providing an extrusion die for special-shaped aluminum profiles.
The utility model has the following concrete scheme: a special-shaped aluminum profile extrusion die comprises an upper die and a lower die, wherein four diversion holes are formed in the center of the upper die, a diversion bridge is arranged between the diversion holes, a core die is arranged in the center of the upper die, a positioning boss is arranged on the inner side surface of the upper die, a positioning groove corresponding to the positioning boss is formed in the corresponding position of the lower die, and the positioning boss and the positioning groove are in clearance fit and used for fixing the corresponding position of the upper die and the lower die; the mold comprises a core mold and is characterized in that a first working part is arranged at the front end of the core mold, an upper pressing mold cavity is arranged in the middle of one side, extending to the core mold, of the upper mold, a lower pressing mold cavity is arranged in the middle of the lower mold, a second working part corresponding to the first working part is arranged on the periphery of the lower pressing mold cavity, demolding holes are formed in the inner side of the lower pressing mold cavity, the sectional area of each demolding hole is larger than that of the lower pressing mold cavity, and a flow blocking mechanism is arranged between the upper mold and the lower mold.
Preferably, the flow blocking mechanism comprises: the flow blocking groove is arranged on the contact surface of the upper die and the lower die relatively to form a flow blocking channel, a flow blocking ring is arranged in the flow blocking groove, and the diameter of the flow blocking ring is slightly larger than the flow blocking channel.
Preferably, a cooling water channel is arranged on the lower die, the cooling water channel is annularly distributed around the demolding holes, a water inlet is formed in one end of the cooling water channel, and a water outlet is formed in the other end of the cooling water channel.
Preferably, the water inlet and the water outlet are both provided with a connecting elbow, and the connecting elbows are 90-degree elbows.
Preferably, the end face of the upper die close to the lower die is provided with a dismounting table, the dismounting table is located on the outer contour of the upper die, and the lower die is provided with a groove corresponding to the dismounting table and used for providing a dismounting space when the upper die and the lower die are dismounted.
Further, the width of the step of the disassembling platform is 6 to 15 millimeters.
Preferably, the upper die is provided with a pressure bearing groove, and the pressure bearing groove is positioned outside the shunting hole.
Preferably, the cross-sectional shape of the shunt bridge is spindle-shaped.
Preferably, the cross-sectional width of the first working portion is greater than the cross-sectional width of the second working portion.
Preferably, a connecting hole is formed between the upper die and the lower die and is connected and fixed through a screw.
The utility model discloses a theory of operation: the upper die and the lower die of the device are accurately positioned through the positioning bosses and the positioning grooves, and are connected and fixed by screws, the connected upper die and the lower die are installed at the die installation position of the extruder, and meanwhile, the cooling water channel is connected with an external water source, so that cooling water enters from the water inlet and is discharged from the water outlet, and the periphery of the demolding hole is continuously cooled; the extruder is put into to the aluminum product that will preheat again, in advancing this device with the aluminum product extrusion through the extruder, the aluminum product at first gets into the pressure-bearing chamber, unload most pressure through the pressure-bearing chamber, continue the extrusion in-process again, the aluminum product gets into the water conservancy diversion hole, and through the gap between work portion one and the work portion two, final molding discharges in following the drawing of patterns hole, at this in-process, through the effectual aluminum product of having prevented through choked flow mechanism from extruding in the gap of last mould and lower mould.
The utility model discloses following beneficial effect has: 1. the structure is simple, and the manufacturing cost is low; 2. the cooling water channel is arranged, so that the temperature of the demoulding hole can be kept to be reduced through the cooling water channel, and the phenomenon that the extruded section is easy to deform and the quality is influenced due to overhigh temperature of the demoulding hole in the extrusion process is prevented; 3. the positioning boss and the positioning groove are used for positioning, so that the installation is simple, the positioning area is large, the stability is strong, and the positioning is accurate; 4. the flow choking mechanism is arranged, so that the leakage of the aluminum material between the upper die and the lower die is effectively prevented, and the working stability is improved.
Drawings
FIG. 1 is a schematic sectional view of the structure of the present invention;
FIG. 2 is a left side schematic view of the upper die;
FIG. 3 is a schematic right-side view of the upper die;
FIG. 4 is a left side view of the lower die;
FIG. 5 is a schematic right view of the lower mold;
FIG. 6 is a schematic top view of a first working portion and a second working portion;
FIG. 7 is a schematic view of a portion of FIG. 1 at S;
FIG. 8 is an enlarged view of a portion of FIG. 1 at T;
FIG. 9 is an enlarged view of a portion of FIG. 1 at U;
fig. 10 is a cross-sectional view of the extruded aluminum profile of the present invention;
in the figure: 1-upper die, 2-lower die, 3-diversion hole, 4-diversion bridge, 5-core die, 6-positioning boss, 7-positioning groove, 8-working part I, 9-working part II, 10-upper die cavity, 11-lower die cavity, 12-demoulding hole, 13-flow blocking groove, 14-flow blocking ring, 15-cooling water channel, 16-water inlet, 17-water outlet, 18-connecting elbow, 19-disassembling platform, 20-groove, 21-bearing groove, 22-connecting hole, 23-screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-10, a special-shaped aluminum profile extrusion die includes an upper die 1 and a lower die 2, in this embodiment, the upper die 1 and the lower die 2 are both made of die steel, and are processed and produced by a numerical control machining center. Four diversion holes 3 are formed in the center of the upper die 1, in the embodiment, the diversion holes 3 are in an elliptical arc shape, the inner wall is smooth, a diversion bridge is arranged between the diversion holes 3, a core die 5 is arranged in the center of the upper die 1, a positioning boss 6 is arranged on the inner side surface of the upper die 1, a positioning groove 7 corresponding to the positioning boss 6 is arranged at the corresponding position of the lower die 2, the positioning boss 6 and the positioning groove 7 are in clearance fit, and in the embodiment, the positioning boss 6 and the positioning groove 7 are both subjected to finish machining and are used for fixing the relative positions of the upper die 1 and the lower die 2; the utility model discloses a mould, including the 5 front ends of mandrel, the 8 front ends of working portion have the die stripping platform, the sectional area of die stripping platform is less than working portion 8, it is equipped with moulding-die chamber 10 on the middle part position of 5 one sides of mandrel to go up 1 extension mandrel, 2 middle parts of lower mould are equipped with down die cavity 11, it is equipped with two 9 with the working portion two that 8 are corresponding to working portion to push down die cavity 11 all around, it is equipped with demoulding hole 12 to push down die cavity 11 inboard, demoulding hole 12 sectional area is greater than down die cavity 11, it is equipped with choked flow mechanism to go up between 1 and the lower mould 2.
In this embodiment, the flow blocking mechanism includes: the flow blocking groove 13 is arranged on the contact surface of the upper die 1 and the lower die 2 relatively, a flow blocking channel is formed, a flow blocking ring 14 is arranged in the flow blocking groove 13, in the embodiment, the flow blocking ring 14 is made of wear-resistant rubber, and the diameter of the flow blocking ring 14 is slightly larger than that of the flow blocking channel.
In this embodiment, the lower mold 2 is provided with a cooling water channel 15, the cooling water channel 15 is annularly distributed around the demolding hole 12, one end of the cooling water channel 15 is provided with a water inlet, and the other end of the cooling water channel 15 is provided with a water outlet 17.
In this embodiment, the water inlet and the water outlet 17 are both provided with a connecting elbow 18, and the connecting elbow 18 is a 90-degree elbow.
In this embodiment, it is equipped with dismantlement platform 19 to go up mould 1 and be close to the terminal surface of lower mould 2, dismantle platform 19 and be located the outline of mould 1, be equipped with groove 20 with dismantling platform 19 on the lower mould 2 correspondingly for when dismantling upper and lower mould 2, provide and dismantle the space.
Specifically, after the section bar is processed, when needing to demolish and go up mould 1 and lower mould 2, demolish back with connecting screw 23, when reseparating and going up mould 1 and lower mould 2, often difficult, platform 19 outer fringe is often dismantled through the hammering of hammer symmetry to operating personnel, and the split of mould 1 and lower mould 2 is gone up in the realization that can be too quick, groove 20 has been vacated the platform 19 for the hammer hammering and has been carried out the space of dodging.
Further, in this embodiment, the step width of the detaching table 19 is 6 to 15 mm. In this embodiment, the outer edge of the connecting end of the upper die 1 is turned by a lathe, thereby processing the detaching table 19.
In this embodiment, the upper die 1 is provided with a pressure-bearing groove 21, and the pressure-bearing groove 21 is located outside the diversion hole.
Specifically, through the extrusion aluminum product, with a large amount of aluminum products crowded in pressure-bearing groove 21, shared the pressure in water conservancy diversion hole 3 to extrude in the flow-bearing groove through pressure-bearing groove 21, can be more abundant be full of the flow-guiding groove, improved the extrusion performance of aluminum product.
In this embodiment, the cross-sectional shape of the shunt bridge is spindle-shaped.
Specifically, because the diversion bridge 4 is the spindle structure, two ends are little promptly, and the centre is big, greatly reduced the water conservancy diversion resistance of aluminum product, intensity is also very strong simultaneously.
In this embodiment, the cross-sectional width of the first working portion 8 is greater than the cross-sectional width of the second working portion 9.
In this embodiment, a connection hole 22 is formed between the upper die 1 and the lower die 2, and is connected and fixed by a screw 23.
Specifically, after the positioning boss 6 and the positioning groove 7 are aligned and mounted, the connecting holes 22 on the upper die 1 and the lower die 2 are aligned with each other, and at this time, the upper die 1 and the lower die 2 are connected together through the screws 23.
The utility model discloses a theory of operation: the upper die 1 and the lower die 2 of the device are accurately positioned through the positioning boss 6 and the positioning groove 7, and are connected and fixed by screws, the connected upper die 1 and the lower die 2 are installed at the die installation position of the extruder, and meanwhile, the cooling water channel 15 is connected with an external water source, so that cooling water enters from the water inlet 16 and is discharged from the water outlet 17, and the periphery of the demolding hole 12 is continuously cooled; the preheated aluminum material is placed into the extruder, the aluminum material is extruded into the device through the extruder, the aluminum material firstly enters the pressure bearing cavity, most of pressure is discharged through the pressure bearing cavity, in the extrusion process, the aluminum material enters the flow guide hole 3 and is finally formed through a gap between the first working part 8 and the second working part 9, the aluminum material is discharged from the demolding hole 12, and in the process, the aluminum material is effectively prevented from being extruded from the gap between the upper mold 1 and the lower mold 2 through the flow blocking mechanism.
Claims (10)
1. The utility model provides a heterotypic aluminium alloy extrusion die, includes mould and lower mould, it is equipped with four water conservancy diversion holes to go up mould center department, be equipped with the reposition of redundant personnel bridge between the water conservancy diversion hole, it is equipped with the mandrel, its characterized in that to go up mould center department: the inner side surface of the upper die is provided with a positioning boss, the relative position of the lower die is provided with a positioning groove corresponding to the positioning boss, and the positioning boss and the positioning groove are in clearance fit and are used for fixing the relative position of the upper die and the lower die; the mold comprises a core mold and is characterized in that a first working part is arranged at the front end of the core mold, an upper pressing mold cavity is arranged in the middle of one side, extending to the core mold, of the upper mold, a lower pressing mold cavity is arranged in the middle of the lower mold, a second working part corresponding to the first working part is arranged on the periphery of the lower pressing mold cavity, demolding holes are formed in the inner side of the lower pressing mold cavity, the sectional area of each demolding hole is larger than that of the lower pressing mold cavity, and a flow blocking mechanism is arranged between the upper mold and the lower mold.
2. The special-shaped aluminum profile extrusion die as claimed in claim 1, which is characterized in that: the flow blocking mechanism includes: the flow blocking groove is arranged on the contact surface of the upper die and the lower die relatively to form a flow blocking channel, a flow blocking ring is arranged in the flow blocking groove, and the diameter of the flow blocking ring is slightly larger than the flow blocking channel.
3. The special-shaped aluminum profile extrusion die as claimed in claim 1, which is characterized in that: and a cooling water channel is arranged on the lower die, the cooling water channel is annularly distributed around the demoulding holes, one end of the cooling water channel is provided with a water inlet, and the other end of the cooling water channel is provided with a water outlet.
4. The profile aluminum profile extrusion die as claimed in claim 3, wherein: and the water inlet and the water outlet are both provided with connecting elbows which are 90-degree elbows.
5. The special-shaped aluminum profile extrusion die as claimed in claim 1, which is characterized in that: the end face, close to the lower die, of the upper die is provided with a dismounting table, the dismounting table is located on the outer contour of the upper die, and a groove is formed in the lower die and corresponds to the dismounting table and is used for providing a dismounting space when the upper die and the lower die are dismounted.
6. The profile aluminum profile extrusion die as claimed in claim 5, wherein: the step width of the disassembling table is 6 to 15 millimeters.
7. The special-shaped aluminum profile extrusion die as claimed in claim 1, which is characterized in that: the upper die is provided with a pressure bearing groove, and the pressure bearing groove is located on the outer side of the flow distribution hole.
8. The special-shaped aluminum profile extrusion die as claimed in claim 1, which is characterized in that: the cross section of the shunting bridge is in a spindle shape.
9. The special-shaped aluminum profile extrusion die as claimed in claim 1, which is characterized in that: the cross-sectional width of the first working part is larger than that of the second working part.
10. The special-shaped aluminum profile extrusion die as claimed in claim 1, which is characterized in that: and a connecting hole is formed between the upper die and the lower die and is fixedly connected through a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222304210.2U CN217990447U (en) | 2022-08-31 | 2022-08-31 | Special-shaped aluminum profile extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222304210.2U CN217990447U (en) | 2022-08-31 | 2022-08-31 | Special-shaped aluminum profile extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217990447U true CN217990447U (en) | 2022-12-09 |
Family
ID=84325434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222304210.2U Active CN217990447U (en) | 2022-08-31 | 2022-08-31 | Special-shaped aluminum profile extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217990447U (en) |
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2022
- 2022-08-31 CN CN202222304210.2U patent/CN217990447U/en active Active
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