CN204934228U - The small-sized tube and pipe of aluminium alloy extrusion die of replaceable core rod - Google Patents
The small-sized tube and pipe of aluminium alloy extrusion die of replaceable core rod Download PDFInfo
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- CN204934228U CN204934228U CN201520478226.2U CN201520478226U CN204934228U CN 204934228 U CN204934228 U CN 204934228U CN 201520478226 U CN201520478226 U CN 201520478226U CN 204934228 U CN204934228 U CN 204934228U
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- core rod
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- bridge location
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Abstract
The utility model relates to a kind of small-sized tube and pipe of aluminium alloy extrusion die of the replaceable core rod be made up of upper die and lower die and core rod, " ten " font bridge location is provided with in the middle of four tap holes on patrix top, an axial screw is provided with at the bridge location center of patrix bottom, core rod is screwed on the centrical axial screw of bridge by core tail screw thread, counterdie crown center position sinks to forming bonding container, and the nib hole wall below bonding container and core rod work strip form circular nib; The upper and lower side of core rod core print is the plane be parallel to each other, and the left and right side of core rod core print is two symmetrical cambered surfaces or parallel plane; Repair welding district is provided with, in order to regulate metal flow direction and flowing velocity in the surrounding of four tap hole bottom bridge location center screws and core rod joint portion.
Description
Technical field
The utility model relates to a kind of tube and pipe of aluminium alloy extrusion die, especially a kind of small-sized tube and pipe of aluminium alloy extrusion die of replaceable core rod.。
Background technology
Along with the needs of market development, the requirement being widely used in the small round tube aluminium alloy section bar of the industries such as automobile, electric power, household electrical appliances is increasing.Current batch production the type tube and pipe of aluminium alloy all adopts that production efficiency is higher, quality stability preferably directly fashion of extrusion produce.But the extrusion die of existing this series products of production, it is positioned at patrix back segment and the core rod of outstanding patrix, after mostly being quenching, finish turning is shaped, cause the wearability of material, intensity, stability and service life reduction, be difficult to the needs ensureing batch production, especially the work strip of core rod is is easily worn and torn, and the underproof product of section bar wall thickness tolerance is increased; The method of repair welding can only be adopted to carry out processing reparation to the overproof core print work strip part of wearing and tearing, otherwise can only scrap and more renew mould.Cause die life short like this, production efficiency be low, unfavorable phenomenon that production cost is high.
Summary of the invention
The object of this invention is to provide a kind of small-sized tube and pipe of aluminium alloy extrusion die of replaceable core rod, it not only structure simple, change that core rod is easy, production efficiency improves, production cost reduces, and section quality is good, and die life extends.
The object of the present invention is achieved like this: a kind of small-sized tube and pipe of aluminium alloy extrusion die of the replaceable core rod be made up of upper die and lower die and core rod, " ten " font bridge location is provided with in the middle of four tap holes on patrix top, an axial screw is provided with at the bridge location center of patrix bottom, core rod is screwed on the centrical axial screw of bridge by core tail screw thread, counterdie crown center position sinks to forming bonding container, and the nib hole wall below bonding container and core rod work strip form circular nib; The upper and lower side of core rod core print is the plane be parallel to each other, and the left and right side of core rod core print is two symmetrical cambered surfaces or parallel plane; Repair welding district is provided with, in order to regulate metal flow direction and flowing velocity in the surrounding of four tap hole bottom bridge location center screws and core rod joint portion.
The utility model adopts and is provided with axial screw at the bridge location center of patrix bottom, core tail screw thread on core rod is screwed in the structure on the centrical axial screw of bridge, and its beneficial effect is: structure is simple, easy to manufacture, replacing facilitates, economizes on resources, reduces production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is core rod embodiment contour structures schematic diagram.
Fig. 4 is the right view of Fig. 3.
In figure: 1, tap hole; 2, screw; 3, patrix; 4, core rod; 5, bonding container; 6, counterdie; 7, nib; 8, work strip; 9, repair welding district; 10, cross bridge location; 11, core tail; 12, core print.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated, in Fig. 1 ~ 4, a kind of by patrix (3), the small-sized tube and pipe of aluminium alloy extrusion die of the replaceable core rod that counterdie (6) and core rod (4) form, " ten " font bridge location (10) is provided with in the middle of four tap holes (1) on patrix (3) top, an axial screw (2) is provided with at bridge location (10) center of patrix bottom, core rod (4) is screwed on the axial screw (2) at bridge location (10) center by core tail (12) screw thread, counterdie (6) crown center position sinks to forming bonding container (5), nib hole wall below bonding container and core rod work strip (8) form circular nib (7), the upper and lower side of core rod core print (11) is the plane be parallel to each other, and the left and right side of core rod core print is two symmetrical cambered surfaces or parallel plane, repair welding district (9) is provided with, in order to regulate flow direction and the flowing velocity of metal four tap holes (1) bottom bridge location center screw (2) and the surrounding of core rod (4) binding site.
During extruding, aluminium ingot is pushed ahead under the effect of extruder, when its contact mould, aluminium ingot retard motion and produce huge extruding force, blank metal enters bonding container from tap hole under the effect of the pressure, then forms circular nib (7) from the nib hole wall below bonding container and core rod work strip (8) and flow out and become small-sized pipe section bar.In extrusion process core rod work strip be worn and overproof after, both overproof replaceable core rod can be disassembled from tube and pipe of aluminium alloy extrusion die, change new core rod up to standard, continue to produce, the core rod of avoiding over scraps the way that whole set of die will be caused to scrap.Reduce production cost, increase work efficiency, save valuable alloy material.
Claims (1)
1. the small-sized tube and pipe of aluminium alloy extrusion die of a replaceable core rod, be made up of upper die and lower die and core rod, it is characterized in that: in the middle of four tap holes (1) on patrix (3) top, be provided with " ten " font bridge location (10), an axial screw (2) is provided with at the bridge location center of patrix (3) bottom, core rod (4) is screwed on the centrical axial screw (2) of bridge by core tail (11) screw thread, counterdie (6) crown center position sinks to forming bonding container (5), and the nib hole wall below bonding container and core rod work strip form circular nib (7); The upper and lower side of core rod core print (12) is the plane be parallel to each other, and the left and right side of core rod core print is two symmetrical cambered surfaces or parallel plane; Repair welding district (9) is provided with in the surrounding of four tap hole bottom bridge location center screws and core rod joint portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520478226.2U CN204934228U (en) | 2015-07-06 | 2015-07-06 | The small-sized tube and pipe of aluminium alloy extrusion die of replaceable core rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520478226.2U CN204934228U (en) | 2015-07-06 | 2015-07-06 | The small-sized tube and pipe of aluminium alloy extrusion die of replaceable core rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204934228U true CN204934228U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520478226.2U Active CN204934228U (en) | 2015-07-06 | 2015-07-06 | The small-sized tube and pipe of aluminium alloy extrusion die of replaceable core rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204934228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984664A (en) * | 2017-05-26 | 2017-07-28 | 江阴市江顺模具有限公司 | Aluminum alloy heat extrudes replaceable mold cores |
-
2015
- 2015-07-06 CN CN201520478226.2U patent/CN204934228U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984664A (en) * | 2017-05-26 | 2017-07-28 | 江阴市江顺模具有限公司 | Aluminum alloy heat extrudes replaceable mold cores |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |