CN202377293U - Die structure for manufacturing dual-alloy composite aluminium pipe by forward extruder - Google Patents
Die structure for manufacturing dual-alloy composite aluminium pipe by forward extruder Download PDFInfo
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- CN202377293U CN202377293U CN2011205520305U CN201120552030U CN202377293U CN 202377293 U CN202377293 U CN 202377293U CN 2011205520305 U CN2011205520305 U CN 2011205520305U CN 201120552030 U CN201120552030 U CN 201120552030U CN 202377293 U CN202377293 U CN 202377293U
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Abstract
The utility model discloses a die structure for manufacturing a dual-alloy composite aluminium pipe by a forward extruder, which comprises a lower die, an outer layer die and a core part die. The outer layer die is arranged between the lower die and the core part die; the core part die is used for extruding and forming an inner alloy layer of the dual-alloy composite aluminium pipe by a hole; and the outer layer die is used for extruding and forming an outer alloy layer of the dual-alloy composite aluminium pipe by a hole. According to the utility model, the repeated intermediate annealing of a conventional rolling and high frequency welding method and the high frequency welding of a welded tube are not adopted, so that the production cost can be greatly reduced.
Description
Technical field
The utility model relates to a kind of mould structure, and particularly a kind of forward extrusion machine is made the mould structure of the compound aluminum pipe of pairing gold.
Background technology
Along with air conditioner refrigerating development of technology and development; The extensive use of the soldering tech of especially full aluminium micro-channel condenser and evaporimeter; Cause also increasing as the demand of the pairing of the header compound aluminum pipe of gold (as shown in Figure 1); The compound aluminum pipe processing method of the pairing of comparative maturity gold is earlier two kinds of different aluminium alloys (first aluminium alloy 1 and second aluminium alloy 2) to be combined into two alloy plate strips with rolling method at present, is curled into pipe then and adopts the method for high-frequency welding to be made into pairing gold (3 Al alloy 3 and the 4th aluminium alloy 4) compound aluminum pipe (as shown in Figure 2).Adopt the pairing gold clad aluminum pipe of this method manufacturing to have all even stay-in-grade advantage of composite bed thickness; But, because processing capacity is big, need carry out repeatedly intermediate annealing during especially rolling pair of alloy plate strip because process route is long; So production cost is higher; Add the weld defect that exists high-frequency welding to have often,, thereby also have the low defective of soldering yield rate like pore, slag inclusion or the like.
Also has a kind of processing method that adopts indirect extrusion machine to make the compound aluminum pipe of pairing gold at present; This method is to connect together after the hollow ingot casting turning processing with two kinds of aluminium alloys; In indirect extrusion machine, carry out hot extrusion processing then, directly be made into the seamless compound aluminum pipe of pairing gold through special mould structure.This method need not be rolled the repeatedly intermediate annealing of method because process route is short, need not carry out high-frequency welding yet, so production efficiency is high, cost is relatively low.But because two kinds of aluminium alloys that connect together exist the difference of aspects such as hardness and non-deformability and metal flow also to have nothing in common with each other in each different phase of extruding; Therefore this method exists the serious uneven defective of alloy layer thickness; This brings very big problem for the condenser soldering in road, back; Can cause leakage like the composite bed deficiency, then can stop up concurrent flow pore etc. because of the scolder trickling again as composite bed is blocked up.The complicacy because two kinds of alloy raw material plumbers of this method plant, and needs in addition adopts rare indirect extrusion machine production, so its manufacturing cost is comparatively speaking still than higher.
The utility model content
The utility model technical problem to be solved provides the mould structure that a kind of forward extrusion machine is made the compound aluminum pipe of pairing gold, and it can simplify production technology, and reduces production costs significantly.
For solveing the technical problem; The utility model provides a kind of forward extrusion machine to make the mould structure of the compound aluminum pipe of pairing gold; It is characterized in that it comprises counterdie, outer mould, core mold, outer mould is located between counterdie and the core mold; Core mold is passed through the outer alloy-layer of the compound aluminum pipe of type hole extrusion modling pairing gold through the interior alloy-layer of the compound aluminum pipe of type hole extrusion modling pairing gold in the outer mould.
The positive progressive effect of the utility model is: the utility model does not have the conventional rolling rolling multiple tracks intermediate annealing of high frequency welding and the high-frequency welding of welded tube of adding that adopt; Need not adopt the complicated production technology of two kinds of alloy cast tubes of socket of reverse extrusion yet, thereby can reduce production costs significantly.
Description of drawings
Fig. 1 is the structural representation of the compound aluminum pipe of pairing gold.
Fig. 2 is the existing rolling structural representation that the high frequency welding is produced the compound aluminum pipe of pairing gold that adds.
Fig. 3 is the structural representation of the utility model configuration alloy aluminium bar.
Fig. 4 is the structural representation that the utility model forward extrusion machine is made the compound aluminum pipe of pairing gold.
Fig. 5 is the cutaway view along the A-A direction of Fig. 4.
The specific embodiment
Lift a preferred embodiment below, and combine accompanying drawing to come the clearer the utility model of intactly explaining.
The utility model at first is an aluminium alloy round cast ingot of the proportioning proportion requirement of two kinds of aluminium alloys being designed two kinds of suitable sizes according to the compound aluminum pipe of pairing gold; For example; If pentahapto is golden: six directions gold=1: 10; Then the diameter of six directions gold aluminium bar roughly should be 3.16 times of diameter of pentahapto gold aluminium bar, is 229mm like the diameter of six directions gold aluminium bar, and then the diameter of pentahapto gold aluminium bar should be 72mm.For present embodiment; Pentahapto gold aluminium bar 5 that press should be 72mm by diameter of structure configuration as shown in Figure 3 and the six directions gold aluminium bar 6 of a 229mm; Corresponding with it, ingot-containing tube is also by the structure configuration like figure, and the general configuration of mould such as Fig. 4 and shown in Figure 5.The mould structure that the utility model forward extrusion machine is made the compound aluminum pipe of pairing gold comprises counterdie 7, outer mould 8, core mold 9, the 5th alloy material hole 10, the 6th alloy material hole 11; Outer mould 8 is located between counterdie 7 and the core mold 9; Core mold is passed through the outer alloy-layer of the compound aluminum pipe of type hole extrusion modling pairing gold through the interior alloy-layer of the compound aluminum pipe of type hole extrusion modling pairing gold in the outer mould.Add the man-hour mold temperature and be generally about 480 ℃, the aluminium bar temperature is generally about 500 ℃, and the ingot-containing tube temperature is generally about 400 ℃.Two aluminium bars that heat place in the ingot-containing tube; Two alloy aluminium bars apply specified extruding force from the rear portion to aluminium bar; The interior alloy-layer 13 of core is at first shunted seam again through core mold and is formed the inner alloy pipe; Peripheral simultaneously outer alloy-layer 12 converges through in established, managing the top layer behind the outer mould water conservancy diversion; Under the high-temperature and high-pressure conditions in mould, inside and outside two-layer different aluminium alloy be compressed in together with the form of metallurgical bonding interface, thereby form the compound aluminum pipe of needed pairing gold.The compound aluminum pipe of this pairing gold draws through suitable back road, can obtain the compound aluminum pipe of pairing gold of required size.
The utility model has the advantages that: flow owing to the alloy of various piece all is limited to be extruded in the die cavity separately; Therefore the ectonexine alloy proportion of the compound aluminum pipe of its formed pairing gold is accurately controlled; Two kinds of alloy disorder fluxion straps come the thin uneven problems of compound bed thickness when having avoided aforementioned reverse extrusion to make the compound aluminum pipe of pairing gold, so constant product quality.Because large tonnage forward extrusion machine is more common, investment of devices is also relatively easy with transformation in addition, so the utility model is convenient to promote very much.Make the compound aluminum pipe of pairing gold through the utility model, because technological process is short, the no rolling multiple tracks intermediate annealing and the high-frequency welding of welded tube, so production cost is also lower.
Though more than described the specific embodiment of the utility model; But those skilled in the art is to be understood that; These only illustrate, and under the prerequisite of principle that does not deviate from the utility model and essence, can make numerous variations or modification to these embodiments.Therefore, the protection domain of the utility model is limited appended claims.
Claims (1)
1. a forward extrusion machine is made the mould structure of the compound aluminum pipe of pairing gold; It is characterized in that; It comprises counterdie, outer mould, core mold; Outer mould is located between counterdie and the core mold, and core mold is passed through the outer alloy-layer of the compound aluminum pipe of type hole extrusion modling pairing gold through the interior alloy-layer of the compound aluminum pipe of type hole extrusion modling pairing gold in the outer mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205520305U CN202377293U (en) | 2011-12-26 | 2011-12-26 | Die structure for manufacturing dual-alloy composite aluminium pipe by forward extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205520305U CN202377293U (en) | 2011-12-26 | 2011-12-26 | Die structure for manufacturing dual-alloy composite aluminium pipe by forward extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202377293U true CN202377293U (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205520305U Expired - Fee Related CN202377293U (en) | 2011-12-26 | 2011-12-26 | Die structure for manufacturing dual-alloy composite aluminium pipe by forward extruder |
Country Status (1)
| Country | Link |
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| CN (1) | CN202377293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527764A (en) * | 2011-12-26 | 2012-07-04 | 上海瑞斯乐复合金属材料有限公司 | Die structure for manufacturing dual-alloy compound aluminum tube by forward extruder |
-
2011
- 2011-12-26 CN CN2011205520305U patent/CN202377293U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527764A (en) * | 2011-12-26 | 2012-07-04 | 上海瑞斯乐复合金属材料有限公司 | Die structure for manufacturing dual-alloy compound aluminum tube by forward extruder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU ZHENXING ALUMINUM CO., LTD. XINSHI ALUMINU Free format text: FORMER OWNER: JIANGSU ZHENXING ALUMINUM CO., LTD. XINSHI ALUMINUM (SHANGHAI) CO., LTD. Effective date: 20140729 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140729 Address after: 201611 Shanghai Songjiang District Chedun Town Xin Lang Road No. 155 -3 Patentee after: Shanghai Ruisile Composite Metal Materials Co., Ltd. Patentee after: Jiangsu Zhenxing Aluminum Co.,Ltd. Patentee after: Xinshi Aluminum (Shanghai) Co., Ltd. Patentee after: YANGZHOU RISE-AL COMPOSITE METAL MATERIAL CO., LTD. Address before: 201611 Shanghai Songjiang District Chedun Town Xin Lang Road No. 155 -3 Patentee before: Shanghai Ruisile Composite Metal Materials Co., Ltd. Patentee before: Jiangsu Zhenxing Aluminum Co.,Ltd. Patentee before: Xinshi Aluminum (Shanghai) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20191226 |