CN214639190U - Multi-cavity extrusion die structure - Google Patents
Multi-cavity extrusion die structure Download PDFInfo
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- CN214639190U CN214639190U CN202120547922.XU CN202120547922U CN214639190U CN 214639190 U CN214639190 U CN 214639190U CN 202120547922 U CN202120547922 U CN 202120547922U CN 214639190 U CN214639190 U CN 214639190U
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Abstract
The utility model discloses a multi-cavity extrusion die structure, which comprises an upper die body, wherein a plurality of welding chambers are formed on the upper die body, and a working belt is formed in each welding chamber; the plurality of welding chambers are uniformly distributed along the circumferential direction of the upper die body; the distance between two adjacent welding chambers is not less than 15 mm. According to the multi-cavity extrusion die structure, a single welding chamber die is changed into a multi-welding chamber die, the extrusion ratio of the single welding chamber die is 505, the phenomena of blank turning and aluminum return are easy to occur, and for example, a six welding chamber die is adopted, so that the extrusion ratio can be greatly reduced, and the extrusion force is reduced; the design of the welding chamber can ensure that the extrusion force does not act on the working band completely and directly, thereby ensuring the service life of the die and ensuring the welding of the front and the rear bars. The extrusion efficiency can be improved, the service life of the die can be prolonged, the production cost is reduced, and the economic benefit is obvious.
Description
Technical Field
The utility model relates to the technical field, especially, relate to a multicavity extrusion die structure.
Background
At present, the aluminum alloy section bar is mostly extruded and formed in an extrusion mode, the quality of a used die seriously influences the extrusion efficiency and the product quality, and meanwhile, because the sectional areas of some section bars are small, the extrusion ratio is large, and the section bars cannot be smoothly extruded by an extruder, the reasonable extrusion die structure can control and adjust the structure and the performance of the product to a certain extent, the flow rate, the extrusion temperature and the like of the alloy during extrusion are greatly influenced, so that the production efficiency and the product quality are improved, and the energy consumption is reduced. And present aluminum alloy extrusion die is mostly a mould a hole, and production efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multicavity extrusion die structure. When the extrusion die structure is used, a plurality of sectional materials can be simultaneously produced in unit time, the production efficiency is greatly improved, and the service life of the die is prolonged.
The utility model provides a following scheme:
a multi-cavity extrusion die structure comprises an upper die body, wherein a plurality of welding chambers are formed on the upper die body, and a working belt is formed in each welding chamber;
the welding chambers are uniformly distributed along the circumferential direction of the upper die body; the distance between two adjacent welding chambers is not less than 15 mm.
Preferably: the parameters of each welding chamber are the same, and the parameters comprise die hole diameter, die hole depth, edge fillet angle, working tape length and surface roughness.
Preferably: 6 welding chambers are formed on the upper die body, and the maximum diameter of the circumscribed circle of each welding chamber is at least 10 millimeters smaller than the diameter of the cast ingot.
Preferably: the depth of the welding chamber is 20 mm.
Preferably: and the edge of the feed inlet of each welding chamber forms a fillet structure.
Preferably: the welding chamber is formed in the lower die body, and a plurality of discharge holes which correspond to the plurality of welding chambers one to one are formed in the lower die body.
Preferably: the lower die body is detachably connected with the upper die body through a positioning wedge and a bolt.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
through the utility model, a multi-cavity extrusion die structure can be realized, and in an implementation mode, the structure can comprise an upper die body, wherein a plurality of welding chambers are formed on the upper die body, and each welding chamber is internally provided with a working belt; the welding chambers are uniformly distributed along the circumferential direction of the upper die body; the distance between two adjacent welding chambers is not less than 15 mm. According to the multi-cavity extrusion die structure, a single welding chamber die is changed into a multi-welding chamber die, the extrusion ratio of the single welding chamber die is 505, the phenomena of blank turning and aluminum return are easy to occur, and for example, a six welding chamber die is adopted, so that the extrusion ratio can be greatly reduced, and the extrusion force is reduced; the design of the welding chamber can ensure that the extrusion force does not act on the working band completely and directly, thereby ensuring the service life of the die and ensuring the welding of the front and the rear bars. The extrusion efficiency can be improved, the service life of the die can be prolonged, the production cost is reduced, obvious economic benefits are achieved, and meanwhile, important basis is provided for the design of the aluminum alloy die with the small section and the large extrusion ratio.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a multi-cavity extrusion die structure according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of a multi-cavity extrusion die structure according to an embodiment of the present invention;
fig. 3 is a partially enlarged schematic view of an upper mold body according to an embodiment of the present invention.
In the figure: the device comprises an upper die body 1, a welding chamber 11, a fillet structure 111, a working tape 12, a lower die body 2 and a discharge hole 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 all belong to the protection scope of the present invention.
Examples
Referring to fig. 1, 2 and 3, a multi-cavity extrusion die structure provided in an embodiment of the present invention, as shown in fig. 1, 2 and 3, the structure may include an upper die body 1, wherein a plurality of welding chambers 11 are formed on the upper die body 1, and a working band 12 is formed in each welding chamber 11;
the welding chambers 11 are uniformly distributed along the circumferential direction of the upper die body 1; the distance between two adjacent welding chambers 11 is not less than 15 mm.
The extrusion die provided by the embodiment of the application can simultaneously produce a plurality of sectional materials, and solves the problems of low production efficiency and large extrusion ratio of aluminum during the extrusion production of the aluminum alloy sectional material in one die and one cavity. A plurality of welding chambers and working belts are uniformly distributed on the upper die, and the plurality of welding chambers are arranged to help to reduce the extrusion ratio and the forming resistance, so that the phenomena of vehicle enclosing and aluminum return can be avoided, the extrusion efficiency and the product quality are improved, and the production energy consumption is reduced. A plurality of welding chambers for the aluminium alloy is extruded, a plurality of welding chambers evenly distributed to mutual distance is more than 15mm, in order to guarantee to provide sufficient bearing capacity.
In order to further improve the stress uniformity of each welding chamber of the structure, the parameters of each welding chamber, which can be provided by the embodiment of the application, are the same, and the parameters comprise die hole diameter, die hole depth, edge fillet angle, working band length and surface roughness.
In practical applications, the number of the welding chambers may be determined according to actual production needs, for example, in one implementation, the embodiment of the present application may provide that 6 welding chambers are formed on the upper mold body, and the maximum circumscribed circle diameter of each welding chamber is at least 10mm smaller than the diameter of the ingot. The maximum circumcircle diameter of the welding chamber is smaller than the diameter of an ingot by at least 10mm (the diameter of the ingot used for extrusion is 92mm), the distance between die holes is larger than 15mm, if the welding chamber is continuously increased, the maximum circumcircle diameter of the welding chamber is larger than 82, so that insufficient edge feeding is caused, and a six-hole die is adopted. Furthermore, the depth of the welding chamber of the die is required to be as small as possible, but the front section of the bar stock and the rear section of the bar stock are required to be ensured to be welded together. Therefore, the depth of the welding chamber provided by the embodiment of the application is selected to be 20 mm.
In order to reduce the resistance of the alloy flowing into the welding chamber, the edge of the feed inlet of each welding chamber can be provided with a fillet structure 111. The edge of the feed inlet of the die welding chamber is provided with a fillet, so that resistance is reduced, and alloy can conveniently flow into the die welding chamber.
The die body 2 is further provided with a plurality of discharge holes 21 which are in one-to-one correspondence with the plurality of welding chambers 11. The lower die body 2 and the upper die body 1 are detachably connected by adopting a positioning wedge and a bolt. The upper die and the lower die are fixed together through the positioning pin and the bolt, the welding chamber and the working tape are cleaned conveniently after the die is disassembled, and meanwhile, if the working tape of the upper die is damaged, the upper die can be replaced by the lower die.
In a word, the multi-cavity extrusion die structure provided by the application is changed from a single welding chamber die to a multi-welding chamber die, the extrusion ratio of the single welding chamber die is 505, and the phenomena of blank turning and aluminum reversing are easily caused, and for example, the extrusion ratio can be greatly reduced and the extrusion force is reduced by adopting a six-welding chamber die; the design of the welding chamber can ensure that the extrusion force does not act on the working band completely and directly, thereby ensuring the service life of the die and ensuring the welding of the front and the rear bars. The extrusion efficiency can be improved, the service life of the die can be prolonged, the production cost is reduced, obvious economic benefits are achieved, and meanwhile, important basis is provided for the design of the aluminum alloy die with the small section and the large extrusion ratio.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (7)
1. A multi-cavity extrusion die structure is characterized by comprising an upper die body, wherein a plurality of welding chambers are formed on the upper die body, and a working belt is formed in each welding chamber;
the welding chambers are uniformly distributed along the circumferential direction of the upper die body; the distance between two adjacent welding chambers is not less than 15 mm.
2. The multi-cavity extrusion die structure of claim 1 wherein the parameters of each weld chamber are the same, the parameters including die hole diameter, die hole depth, edge fillet angle, land length, surface roughness.
3. A multi-cavity extrusion die structure according to claim 1 wherein 6 weld chambers are formed in the upper die body, the weld chambers having a maximum circumscribed circular diameter that is at least 10mm smaller than the ingot diameter.
4. A multi-cavity extrusion die structure according to claim 3 wherein the depth of the weld chamber is 20 mm.
5. The multi-cavity extrusion die structure according to claim 1, wherein the edge of the feed opening of each of the seaming cavities forms a rounded corner structure.
6. The multiple cavity extrusion die structure of claim 1, further comprising a lower die body having a plurality of discharge openings formed therein in one-to-one correspondence with the plurality of weld chambers.
7. The multiple cavity extrusion die structure of claim 6, wherein said lower die body is removably connected to said upper die body using a retaining wedge and a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547922.XU CN214639190U (en) | 2021-03-17 | 2021-03-17 | Multi-cavity extrusion die structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120547922.XU CN214639190U (en) | 2021-03-17 | 2021-03-17 | Multi-cavity extrusion die structure |
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| CN214639190U true CN214639190U (en) | 2021-11-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871289A (en) * | 2022-05-27 | 2022-08-09 | 宁波科诺精工科技有限公司 | Six moulds of automotive decoration bright wisp section bar one play |
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2021
- 2021-03-17 CN CN202120547922.XU patent/CN214639190U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114871289A (en) * | 2022-05-27 | 2022-08-09 | 宁波科诺精工科技有限公司 | Six moulds of automotive decoration bright wisp section bar one play |
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