CN214639191U - Section mould and section extruder who constitutes thereof - Google Patents
Section mould and section extruder who constitutes thereof Download PDFInfo
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- CN214639191U CN214639191U CN202120835870.6U CN202120835870U CN214639191U CN 214639191 U CN214639191 U CN 214639191U CN 202120835870 U CN202120835870 U CN 202120835870U CN 214639191 U CN214639191 U CN 214639191U
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- lower mould
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Abstract
The utility model discloses a section mould and a section extruder composed of the same, the section mould comprises an upper mould and a lower mould, the upper mould is provided with a shunting hole which runs through the upper mould from left to right, the right side of the upper mould is convexly provided with a core head root, the end part on the right side of the core head root is convexly provided with an upper mould core head, the left side of the lower mould is provided with a groove which is concavely provided with a middle part, the bottom wall of the groove is provided with a lower mould outlet belt which runs through the lower mould from left to right, the left side of the lower mould outlet belt is convexly provided with a lower mould working belt, the upper mould and the lower mould are connected with one side which is close to each other, the upper mould and the lower mould jointly enclose the area corresponding to the groove to form a welding cavity, the shunting hole is communicated with the welding cavity, the upper mould core head is positioned in the lower mould outlet belt and positioned at the position corresponding to the lower mould working belt, a gap is arranged between the upper mould core head and the lower mould working belt, the gap forms an extrusion channel of the section, the opening on the inlet side of the extrusion channel is larger than the opening of the outlet side of the extrusion channel, therefore, the structural strength of the welding seam is improved, and the pressure resistance of the sectional material is better.
Description
Technical Field
The utility model belongs to the mould field especially relates to a hollow section mould and section bar extruder of constituteing thereof.
Background
The hot extrusion aluminum alloy hollow section is mainly formed by extrusion through a shunting die, metal flows into a welding cavity through shunting holes of an upper die respectively during extrusion and is mixed into a whole, and finally the metal is extruded from a gap (section) formed by an upper die core head and a lower die working belt to form a required section, when the metal flows into the welding cavity from the shunting holes of the upper die respectively, the metal is only combined in the welding cavity without stirring or strong combination, so that the extruded section can form a welding seam (namely the section with the seam) at the position of a bridge between the two shunting holes, the strength of the welding seam part is far lower than that of other parts, the gap can be generated seriously, the more the shunting holes on the upper die are, the more the welding seams on the section are, particularly, the surface anode oxidation or the reduction is carried out, the good and the bad of the welding seam can be clearly seen on the surface of the section, and particularly, the welding performance of the aluminum alloy with high strength is poor, the weld seam is more apparent at this time.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the present invention is to provide a profile extrusion mold with simple structure, and high strength of the extruded profile welding seam, and good welding performance.
In order to achieve the above purpose, the technical solution of the present invention is as follows: a section bar die comprises an upper die and a lower die, wherein the upper die is provided with a left-right through shunting hole, the right side of the upper die is convexly provided with a core head root, the right side of the core head root is convexly provided with an upper die core head, the left side of the lower die is concavely provided with a groove, a lower die outlet belt which penetrates through the two sides of the lower die along the left-right direction is arranged on the bottom wall of the groove, the left side of the lower die outlet belt is convexly provided with a lower die working belt, the upper die and the lower die are connected at one side which is close to each other, the upper die and the lower die jointly enclose the area corresponding to the groove to form a welding cavity, the shunting hole is communicated with the welding cavity, the upper die core head is positioned in the lower die outlet belt and positioned at the position corresponding to the lower die working belt, a gap is arranged between the upper die core head and the lower die working belt, and the gap forms an extrusion channel of a section bar, the opening of the extrusion passage on the inlet side is larger than the opening of the extrusion passage on the outlet side.
The beneficial effects of the above technical scheme are that: the flaring is carried out on the inlet side of the extrusion channel, so that the profile can be further extruded when being extruded in the extrusion channel, the flow rate of metal on a working band is reduced, the profile is more compact, especially the position of a welding seam is more compact, the structural strength of the position of the welding seam is improved, and the pressure resistance is better.
In the technical scheme, a 1-2-degree chamfer is arranged at the left end of the lower die working belt and/or the upper die core print and used for enlarging an opening at the inlet side of the extrusion channel.
The beneficial effects of the above technical scheme are that: the structure is simple, and the effect is better.
In the technical scheme, the plurality of the shunting holes are circumferentially distributed at intervals, and the root of the core print is positioned among the plurality of the shunting holes.
In the technical scheme, the depth of the welding cavity is 2-3 cm.
The beneficial effects of the above technical scheme are that: the degree of compactness of the welding seam can be further improved by increasing the depth of the welding cavity.
In the technical scheme, the width of the chamfer is 1/2-2/3 of the width of the working band of the lower die.
The beneficial effects of the above technical scheme are that: thus, the extrusion effect is better.
The second objective of the present invention is to provide a method for extruding a plastic material with good extrusion effect and good sealing performance.
In order to achieve the above purpose, the technical solution of the present invention is as follows: the profile extruder comprises an extruder body and the profile die, wherein the profile die is arranged at the extruding end of the extruder body.
The beneficial effects of the above technical scheme are that: the extrusion device is simple in structure, and the extruded section is good in compactness of the welding seam and high in structural strength.
Drawings
Fig. 1 is a schematic structural diagram of a plastic mold according to embodiment 1 of the present invention;
fig. 2 is an exploded view of the upper die and the lower die according to embodiment 1 of the present invention;
FIG. 3 is a state diagram of the chamfering process of the upper die core print and the lower die working tape in embodiment 1 of the present invention;
fig. 4 is an elevation view of the upper mold in embodiment 1 of the present invention;
fig. 5 is an elevation view of the lower mold in embodiment 1 of the present invention;
fig. 6 is a schematic structural diagram of the profile extruder described in embodiment 2 of the present invention.
In the figure: 1 section bar die, 11 upper die, 111 diversion hole, 112 core head root, 1121 upper die core head, 12 lower die, 121 lower die outlet belt, 1211 lower die working belt, 122 welding cavity and 2 extruder body.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1
As shown in fig. 1-4, the present embodiment provides a profile mold, including an upper mold 11 and a lower mold 12, the upper mold 11 has a diversion hole 111 penetrating through the upper mold 11 from left to right, a core print root 112 is convexly disposed on the right side of the upper mold 11, an upper mold core print 1121 is convexly disposed on the end portion on the right side of the core print root 112, a groove is concavely disposed on the left side of the lower mold 12, a lower mold outlet belt 121 penetrating through both sides of the lower mold 12 is disposed on the bottom wall of the groove, a lower mold working belt 1211 is convexly disposed on the left side in the lower mold outlet belt 121, the upper mold 11 and the lower mold 12 are connected at the side close to each other, the upper mold 11 and the lower mold 12 jointly enclose the region corresponding to the groove to form a welding cavity 122, the diversion hole 111 is communicated with the welding cavity 122, the upper mold core print 1121 is located in the lower mold outlet belt 121 and at the position corresponding to the lower mold working belt 1211, and a gap is formed between the upper die core print 1121 and the lower die working belt 1211, the gap forms an extrusion channel of the profile, an opening on the inlet side of the extrusion channel is larger than an opening on the outlet side of the extrusion channel, and the inlet side of the extrusion channel is flared, so that the profile can be further extruded when being extruded in the extrusion channel, the profile is more compact, especially the position of a welding seam is more compact, the structural strength of the position of the welding seam is improved, and the pressure resistance is better.
In the above technical solution, the left end of the lower mold working belt 1211 and/or the upper mold core 1121 is provided with a 1-2 ° chamfer (see fig. 3 in detail), and the chamfer is used to increase the opening at the inlet side of the extrusion channel, so that the structure is simple and the effect is better.
In the above technical scheme, the plurality of the diversion holes 111 are arranged, the plurality of the diversion holes 111 are circumferentially distributed at intervals (the specific distribution state of the plurality of the diversion holes is determined according to the stabbing surface of the section bar), and the core print root 112 is located between the plurality of the diversion holes 111, so that the raw material can be extruded into the welding cavity more rapidly.
In the technical scheme, the depth of the welding cavity 122 is 2-3cm (the depth of the welding cavity is determined according to the strength requirements of the stab surface of the section, the extruded alloy and the section), and the compactness of the welding seam can be further improved by increasing the depth of the welding cavity.
In the technical scheme, the width of the chamfer is 1/2-2/3 of the width of the lower die working belt, so that the extrusion effect of the lower die working belt is better, and the part which is not chamfered at the right side of the lower die working belt can be used as a buffer section, thereby being beneficial to improving the smoothness of the appearance of the extruded profile.
Example 2
As shown in fig. 6, the present embodiment provides a profile extruder, which includes an extruder body 2 and the profile mold 1 according to embodiment 1, wherein the profile mold 1 is installed at an extrusion end of the extruder body 2, and the extruded profile has a simple structure, a good compactness at a welding seam and a high structural strength.
The strength of the hot extrusion section is improved through the improvement, the section produced before and after the improvement is subjected to in-hole water pressure test, the water seepage phenomenon occurs when the pressure of the section before the improvement is less than 1MPa, and the water seepage phenomenon occurs when the pressure of the section produced after the improvement reaches more than 6 MPa.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a section bar mould, includes mould (11) and lower mould (12), go up mould (11) and have the reposition of redundant personnel hole (111) that runs through it about having, just go up the protruding core head root (112) that is equipped with in middle part on mould (11) right side, the tip on core head root (112) right side is protruding to be equipped with mould core head (1121), the left side of lower mould (12) is concave to be equipped with the recess, and is equipped with on the diapire of recess along left and right directions lower mould export area (121) that runs through lower mould (12) both sides, the protruding lower mould work area (1211) that is equipped with in left side in lower mould export area (121), go up mould (11) and lower mould (12) one side that is close to each other is connected, just go up mould (11) and lower mould (12) together will the region that the recess corresponds encloses and closes and form seam chamber (122), reposition of redundant personnel hole (111) with seam chamber (122) link up, it is located to go up mould core head (1121), and is located at the position corresponding to the lower die working belt (1211), and a gap is formed between the upper die core head (1121) and the lower die working belt (1211), and the gap forms an extrusion channel of the profile, and the opening at the inlet side of the extrusion channel is larger than the opening at the outlet side of the extrusion channel.
2. The profile die according to claim 1, wherein the left end of the lower die working belt (1211) and/or the upper die core print (1121) is provided with a 1-2 ° chamfer to increase the opening of the extrusion channel inlet side.
3. The profile die according to claim 2, wherein the plurality of flow distribution holes (111) are provided, the plurality of flow distribution holes (111) are circumferentially spaced, and the core print root (112) is located between the plurality of flow distribution holes (111).
4. The profile die according to claim 3, wherein the weld chamber (122) has a depth of 2-3 cm.
5. The profile die of claim 3, wherein the chamfer width is 1/2-2/3 of the lower die strip width.
6. A profile extruder, characterized in that it comprises an extruder body (2) and a profile die (1) according to any one of claims 1-5, said profile die (1) being mounted at the extrusion end of said extruder body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120835870.6U CN214639191U (en) | 2021-04-22 | 2021-04-22 | Section mould and section extruder who constitutes thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120835870.6U CN214639191U (en) | 2021-04-22 | 2021-04-22 | Section mould and section extruder who constitutes thereof |
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| Publication Number | Publication Date |
|---|---|
| CN214639191U true CN214639191U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120835870.6U Active CN214639191U (en) | 2021-04-22 | 2021-04-22 | Section mould and section extruder who constitutes thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116871910A (en) * | 2023-09-09 | 2023-10-13 | 福建省永春双恒铝材有限公司 | Continuous fixed-distance cutting equipment for aluminum profile |
-
2021
- 2021-04-22 CN CN202120835870.6U patent/CN214639191U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116871910A (en) * | 2023-09-09 | 2023-10-13 | 福建省永春双恒铝材有限公司 | Continuous fixed-distance cutting equipment for aluminum profile |
| CN116871910B (en) * | 2023-09-09 | 2023-12-01 | 福建省永春双恒铝材有限公司 | Continuous fixed-distance cutting equipment for aluminum profile |
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