CN214866200U - Spiral feeding extrusion die - Google Patents
Spiral feeding extrusion die Download PDFInfo
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- CN214866200U CN214866200U CN202023299950.9U CN202023299950U CN214866200U CN 214866200 U CN214866200 U CN 214866200U CN 202023299950 U CN202023299950 U CN 202023299950U CN 214866200 U CN214866200 U CN 214866200U
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Abstract
The utility model provides a spiral feeding extrusion die, including last mould and lower mould, the last mould is equipped with last mould feed end and last mould discharge end, and the last mould feed end is equipped with a plurality of feed inlets that are spiral arrangement, switches on through the diffluence orifice between feed inlet and the last mould discharge end; the upper die also comprises a combined core rod positioned in the center of one side of the discharge end of the upper die; the lower die is provided with a lower die feeding end and a lower die discharging end, and a welding chamber and a discharging hole are sequentially arranged from the lower die feeding end to the lower die discharging end; the upper die is fixedly connected with the lower die, and the combined core rod of the upper die is buckled in the discharge hole of the lower die. By adopting the scheme, the feeding holes are spirally arranged, so that welding seams are spirally distributed on the aluminum profile, the structural strength of a formed product is enhanced, and the subsequent processing procedures of the formed product are reduced; the combined core rod improves the wear resistance of the extrusion die and prolongs the service life of the extrusion die.
Description
Technical Field
The utility model relates to an aluminum alloy extrusion die field, in particular to spiral feeding extrusion die.
Background
The feed inlet of the existing aluminum profile extrusion die is linear, a linear welding line can be formed on a formed product, and the structural strength of the product is influenced. And the existing extrusion die is usually integrally formed by H13 die steel, so that the die is short in service life, rough in product surface and low in size precision due to low hardness. In order to improve the surface finish and the forming precision of the aluminum profile product, the extrusion die is usually made of imported alloy steel, and the cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome whole or part among the above-mentioned prior art not enough, provide a spiral feeding extrusion tooling to solve among the prior art problem that mould seam structural strength is low, manufacturing cost is high, surface quality is not good and life is short.
In order to achieve the purpose, the utility model provides a spiral feeding extrusion die, which comprises an upper die and a lower die, wherein the upper die is provided with an upper die feeding end and an upper die discharging end, the upper die feeding end is provided with a plurality of feeding holes which are spirally arranged, and the feeding holes are communicated with the upper die discharging end through shunting holes; the upper die also comprises a combined core rod positioned in the center of one side of the discharge end of the upper die; the lower die is provided with a lower die feeding end and a lower die discharging end, and a welding chamber and a discharging hole are sequentially arranged from the lower die feeding end to the lower die discharging end; the upper die is fixedly connected with the lower die, and the combined core rod of the upper die is buckled in the discharge hole of the lower die. The welding seams can be spirally distributed on the aluminum profile in a spiral manner by arranging the plurality of feed inlets in a spiral manner, so that the structural strength of the formed product is enhanced, and the subsequent processing procedures of the formed product are reduced; and the combined core rod improves the wear resistance of the extrusion die and prolongs the service life of the extrusion die.
The inner peripheral wall of the shunting hole is parabolic, and the aluminum material rotates while flowing in an extruding manner, so that the welding seam is spirally distributed on the aluminum profile, and the structural strength of the aluminum profile is further improved.
The combined core rod comprises a core insert and a fixing piece, a groove is formed in the center of one side of the discharge end of the upper die, the core insert is fixedly installed in the groove through the fixing piece, the core insert is made of hard alloy materials such as YG15 or YG20, the abrasion resistance of the combined core rod is enhanced, the manufacturing cost of an extrusion die is saved, and the service life of the extrusion die can be prolonged by at least one time.
The welding chamber is arranged at the center of the feeding end of the lower die, and the welding chamber is sunken from the feeding end of the lower die to the discharging end of the lower die; the bottom of the welding chamber is provided with an insert which is made of hard alloy materials such as YG15 or YG20, so that the surface finish of a molded product is improved.
And a discharge hole is formed in the center of the bottom of the welding chamber in the direction extending from the discharge end of the lower die, a working belt is formed in a gap between the discharge hole and the core insert, and a molded product is extruded through the working belt.
The work area extremely still be equipped with the dead knife on the discharge opening between the lower mould discharge end, the cross-sectional area of discharge opening is not less than the cross-sectional area of work area, the dead knife can guarantee that the surface of shaping product is not scraped flower and the better ejection of compact of shaping product.
The beneficial effects of the utility model reside in that: the utility model discloses a spiral feed inlet for the seam welding is the spiral and distributes on the aluminium alloy, has improved the structural strength of aluminium alloy, reduces the later process of shaping product. In addition, the combined core rod is adopted, the core insert is arranged at the top end of the core rod and is fixed at the top end of the core rod through the fixing piece, the core insert is made of hard alloy materials, and meanwhile, the insert made of the hard alloy materials is arranged in the welding chamber, so that the manufacturing cost of the extrusion die is saved, the surface quality of a formed product is improved, and the service life of the die is prolonged by more than one time.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a cross-sectional view of a spiral feeding extrusion die provided by an embodiment of the present invention.
FIG. 2 is a top view of the upper die feed end of the screw-fed extrusion die of FIG. 1.
FIG. 3 is a cross-sectional view of a screw-fed extrusion die in another embodiment.
Reference numerals: 1-upper mould; 2-lower mould; 3-feeding end of upper mold; 4-a shunt hole; 5-a combined core rod; 6-core insert; 7-a fixing member; 8-a welding chamber; 9-a discharge hole; 10-a working band; 11-blank cutter; 12-the discharge end of the lower die; 13-a feed inlet; 14-an insert.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, 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. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The embodiment of the utility model provides a spiral feeding extrusion tooling, refer to fig. 1 and fig. 2, including last mould 1 and lower mould 2, go up mould 1 with go up mould 2 fixed connection together, fixed connection department's last mould discharge end and lower mould feed end laminating, it includes mould feed end 3 to go up mould 1, it is equipped with four feed inlets 13 that are spiral arranging to go up mould feed end 3, feed inlet 13 switches on with reposition of redundant personnel hole 4, reposition of redundant personnel hole 4 internal perisporium is the parabola shape, reposition of redundant personnel hole 4 can reduce aluminium bar extrusion die's pressure, and the aluminium bar is followed feed inlet 13 gets into internal perisporium and is the reposition of redundant personnel hole 4 that parabola shape set up, carries out rotary motion when the extrusion flows for the seam is the spiral and distributes on the aluminium alloy, can strengthen the structural strength of aluminium type material, reduces the back-end manufacturing procedure of shaping product.
Go up mould 1 and still including setting up go up the combination formula core bar 5 of mould discharge end one side, combination formula core bar 5 includes core insert 6 and mounting 7 the central point of going up mould discharge end one side puts and is equipped with the recess, core insert 6 passes through mounting 7 fixed mounting in the recess, setting up of mounting 7 improves the stability of core insert 6, carbide material such as YG15 or YG20 is chooseed for use to core insert 6, selects to use YG15 material in this embodiment, and this material has good wearability, can strengthen the wearability of combination formula core bar, and then has saved extrusion tooling manufacturing cost, and extrusion tooling's life-span can improve more than at least one time.
The lower die 2 is provided with a lower die feeding end and a lower die discharging end 12, a welding chamber 8 and a discharging hole 9 are sequentially arranged from the lower die feeding end to the lower die discharging end 12, the welding chamber 8 is arranged at the center of the lower die feeding end, and the welding chamber 8 is sunken from the lower die feeding end to the lower die discharging end 12; a discharge hole 9 is formed in the center of the bottom of the welding chamber 8 in the direction extending towards the discharge end 12 of the lower die, a working tape 10 is formed in a gap between the core insert 6 and the discharge hole 9, and an aluminum rod is extruded and molded after passing through the working tape 10.
The utility model discloses a spiral feeding extrusion tooling in another embodiment, refer to fig. 3, the difference with above-mentioned embodiment is: an insert 14 may be further disposed at the central position of the bottom of the welding chamber 8, a gap between the insert 14 and the core insert 6 forms the working tape 10, the material of the insert 14 is a hard alloy material such as YG15 or YG20, in this embodiment, YG20 is selected, and the material is selected to improve the surface smoothness of the molded product.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A spiral feeding extrusion die is characterized by comprising an upper die and a lower die, wherein the upper die is provided with an upper die feeding end and an upper die discharging end, the upper die feeding end is provided with a plurality of feeding holes which are spirally arranged, and the feeding holes are communicated with the upper die discharging end through shunting holes; the upper die also comprises a combined core rod positioned in the center of one side of the discharge end of the upper die;
the lower die is provided with a lower die feeding end and a lower die discharging end, and a welding chamber and a discharging hole are sequentially arranged from the lower die feeding end to the lower die discharging end;
the upper die is fixedly connected with the lower die, and the combined core rod of the upper die is buckled in the discharge hole of the lower die.
2. A spiral feed extrusion die as set forth in claim 1 wherein the inner peripheral wall of the splitter orifice is parabolic.
3. The spiral feeding extrusion die of claim 1 or 2, wherein the combined core rod comprises a core insert and a fixing piece, a groove is formed in the center of one side of the discharge end of the upper die, and the core insert is fixedly installed in the groove through the fixing piece.
4. The spiral feed extrusion die of claim 3, wherein the core insert is formed of a cemented carbide material.
5. The spiral-fed extrusion die of claim 4, wherein the cemented carbide material is YG15 or YG 20.
6. The spiral feed extrusion die of claim 1, wherein the weld chamber is centrally disposed at the feed end of the lower die and is recessed from the feed end of the lower die to the discharge end of the lower die.
7. The screw-type feed extrusion die of claim 6, wherein the bottom of the welding chamber is provided with an insert, and the insert is made of a hard alloy material.
8. The spiral-fed extrusion die of claim 7, wherein the cemented carbide material is YG15 or YG 20.
9. The screw-type feed extrusion die of claim 3, wherein a discharge hole is formed in the bottom center of the welding chamber in the direction extending from the discharge end of the lower die, and a gap between the discharge hole and the core insert forms a working band.
10. The spiral feed extrusion die of claim 9, wherein a blank cutter is further provided at the discharge opening between the working tape and the discharge end of the lower die, and the cross-sectional area of the discharge opening is not less than the cross-sectional area of the working tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023299950.9U CN214866200U (en) | 2020-12-30 | 2020-12-30 | Spiral feeding extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023299950.9U CN214866200U (en) | 2020-12-30 | 2020-12-30 | Spiral feeding extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214866200U true CN214866200U (en) | 2021-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023299950.9U Active CN214866200U (en) | 2020-12-30 | 2020-12-30 | Spiral feeding extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214866200U (en) |
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2020
- 2020-12-30 CN CN202023299950.9U patent/CN214866200U/en active Active
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