CN108655198A - A kind of crowded aluminum die locking member and improve aluminum-extruding machine die sleeve deformation method - Google Patents

A kind of crowded aluminum die locking member and improve aluminum-extruding machine die sleeve deformation method Download PDF

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Publication number
CN108655198A
CN108655198A CN201810944605.4A CN201810944605A CN108655198A CN 108655198 A CN108655198 A CN 108655198A CN 201810944605 A CN201810944605 A CN 201810944605A CN 108655198 A CN108655198 A CN 108655198A
Authority
CN
China
Prior art keywords
die sleeve
hole
fixing nut
aluminum
backing plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810944605.4A
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Chinese (zh)
Inventor
程明亮
郭德富
陈楸伟
胡裕明
单娟
朱俊宇
吴毅
周俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING TAISHAN CABLE CO LTD
Original Assignee
CHONGQING TAISHAN CABLE CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHONGQING TAISHAN CABLE CO LTD filed Critical CHONGQING TAISHAN CABLE CO LTD
Priority to CN201810944605.4A priority Critical patent/CN108655198A/en
Publication of CN108655198A publication Critical patent/CN108655198A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00Profiling tools for metal extruding
    • B21C25/02Dies

Abstract

The invention discloses a kind of crowded aluminum die locking member and improve aluminum-extruding machine die sleeve deformation method, crowded aluminum die includes die sleeve, it further include fixing nut, backing plate is provided between fixing nut and die sleeve, backing plate center is equipped with through-hole, the outer diameter of backing plate is identical as die sleeve outer diameter, and the aperture of through-hole is more than the aperture of die sleeve, is less than the aperture of fixing nut;The configuration of the present invention is simple, it can be under the premise of ensureing product quality, it is arranged by backing plate, the bearing position at die sleeve center is substantially reduced, and then improves the load ability of die sleeve, die sleeve centre is effectively prevented and is deformed because of stress, simultaneously so that fixing nut can be used for the production of more specification electrical cable aluminium sheaths, the versatility for improving fixing nut has saved the cost of configuration fixing nut, reduces the cost of production electrical cable aluminium sheath.

Description

A kind of crowded aluminum die locking member and improve aluminum-extruding machine die sleeve deformation method
Technical field
The present invention relates to a kind of crowded aluminum die locking member and improve aluminum-extruding machine die sleeve deformation method.
Background technology
When producing electrical cable aluminium sheath, the components such as die sleeve need to be locked on head by fixing nut aluminum-extruding machine, existing There is usually only a kind of specification of fixing nut, for the production suitable for all specification aluminium sheaths, the center bore of fixing nut Have to be larger than the diameter of bore of the die sleeve of maximum specification electrical cable aluminium sheath production.Therefore, it is produced using existing fixing nut It, can be because the excessive youngster of its centre bore make die sleeve central part bear larger torque, for a long time using can make when small dimension cable At deformation, i.e. die sleeve central part is because of the excessive recess of stress, and with respect to middle part tilting, existing die sleeve thickness is usually 30mm on periphery (millimeter) is producing cable aluminium using unmatched fixing nut (i.e. the big 50mm-150mm in fixing nut aperture ratio die sleeve aperture) When sheath, after 10 times, die sleeve just has the deformation of 1mm or more.
Based on the above issues, there are two types of existing solutions, the first is that deformed die sleeve is carried out grinding machine processing, The central part of protrusion is polished, but this mode can cause die sleeve centre thinning, effective load value is lower, it is easier to go out The existing above problem, it is serious may directly to cause scrapping for die sleeve.Second is respectively configured accordingly admittedly according to cable model Determine nut, existing high-tension cable will need to configure the fixing nut of five kinds of specifications, according to conventional configuration, each specification configuration three A fixing nut will then configure 15 fixing nuts, and fixing nut involves great expense, and fixed spiral shell is configured according to above-mentioned configuration mode Mother will greatly increase cost payout.
CNCN104826887A, which discloses a kind of crowded aluminum die and improves aluminum-extruding machine, squeezes out the corrugated method of aluminum pipe, mold packet Mold core, die sleeve and the mandrel for offering endoporus are included, mandrel is connect by die sleeve support ring with die sleeve;Including one end setting of mold core The other end of Kong Zhong, mold core are connect with die sleeve;Mold core is 7.5mm-16mm steps being provided with height by one end of die sleeve;This Component level is in the junction of die sleeve and mold core;The length of the calibrating strap of mold core is 2.3mm-3mm;Mould is provided between mandrel and mold core Core gasket;The thickness of mold core gasket is 3mm-4mm.Although above-mentioned documents belong to same field with the application, and disclose The structure of die sleeve in the present invention, but documents do not solve above-mentioned technical problem.
Therefore those skilled in the art be dedicated to research it is a kind of it is versatile, cost is low and can effectively improve die sleeve change The fixing nut of shape problem.
Invention content
In view of the drawbacks described above of the prior art, technical problem to be solved by the invention is to provide it is a kind of it is versatile, Cost is low and can effectively improve the fixing nut of die sleeve problem on deformation.
To achieve the above object, the present invention provides a kind of crowded aluminum die locking member, crowded aluminum die includes die sleeve, is also wrapped Fixing nut is included, backing plate is provided between fixing nut and die sleeve, backing plate center is equipped with through-hole, outer diameter and the die sleeve outer diameter of backing plate Identical, the aperture of through-hole is more than the aperture of die sleeve, is less than the aperture of fixing nut.
Further, fixing nut thickness is D1, and plate thickness D2, the sum of D1 and D2 are 147mm (millimeter).
Preferably, plate thickness is 14mm-20mm.
Further, fixing nut is in hollow cylindrical, and fixing nut outer surface is equipped with the spiral shell for being connected with head Line, fixing nut is interior to be equipped with first stratum's through-hole and second level through-hole, and first stratum's through-hole section is in regular hexagon, second-order Layer through-hole section is rounded, and first stratum's through-hole circumscribed circle diameter is more than second level through-hole diameter, and the aperture of through-hole is less than the Two stratum's through-hole diameters.
Preferably, first stratum's through-hole thickness is 77mm, the sum of second level through-hole thickness and plate thickness are 70mm.
Further, the big 10mm-30mm in aperture ratio die sleeve aperture of through-hole.
Further, the big 20mm in aperture ratio die sleeve aperture of through-hole.
A kind of improvement aluminum-extruding machine die sleeve deformation method, includes the following steps:
1) die sleeve is assembled in head,
2) backing plate is put into head, and ensures that die sleeve centre bore is corresponding with the through-hole of backing plate,
3) by fixing nut device to head, die sleeve and gasket are locked in head, it is fixed after the completion of assembly Nut end face and head department of assembly end face,
4) head aluminum-extruding machine is hung in start to squeeze aluminium.
Preferably, the thickness of die sleeve is 30mm, die sleeve pore diameter range is 80-160mm.
Preferably, plate thickness is 20mm, the aperture 20mm big compared with die sleeve aperture of through-hole on backing plate.
The configuration of the present invention is simple can be arranged under the premise of ensureing product quality by backing plate, by the load at die sleeve center Part thickness improves, and then improves the load ability of die sleeve, effectively prevents die sleeve centre and is deformed because of stress, simultaneously So that fixing nut can be used for the production of more specification electrical cable aluminium sheaths, the versatility of fixing nut is improved, it is solid to have saved configuration The cost for determining nut reduces the cost of production electrical cable aluminium sheath.
Description of the drawings
Fig. 1 is schematic structural view of the invention;
Fig. 2 is fixing nut structural schematic diagram in the present invention;
Fig. 3 is the A-A sectional views of Fig. 2;
In figure:1- die sleeves;3- backing plates;4- through-holes;D1- fixing nut thickness;D2- plate thickness;D3- die sleeve thickness;
2- fixing nuts;The first stratum of 21- through-hole;22- second level through-holes;
Explanation:Arrow is pressure transmission direction in figure.
Specific implementation mode
With reference to the accompanying drawings and examples, the invention will be further described:
Specific implementation mode one
As shown in Figure 1, a kind of crowded aluminum die locking member, crowded aluminum die includes die sleeve 1, further includes fixing nut 2, fixed Backing plate 3 is provided between nut 2 and die sleeve 1;3 center of backing plate is equipped with through-hole 4;The outer diameter of backing plate 3 is identical as 1 outer diameter of die sleeve;It is logical The aperture in hole 4 is more than the aperture of die sleeve 1, is less than the aperture of fixing nut 2;It is designed by backing plate, on the one hand increases die sleeve On the other hand load thickness improves the load torque of die sleeve, the service life for extending die sleeve is combined by both sides.
2 thickness D1 of fixing nut, 3 thickness D2 of backing plate;The sum of D1 and D2 are 147mm, are obtained by test of many times, backing plate 3 Thickness is 20mm, and 2 thickness of fixing nut is 127mm, and 1 pore diameter range of die sleeve is 80-160mm, and the specific aperture of die sleeve is according to production Depending on the model of cable, common die sleeve aperture has 87,89.4,91.5,95,99.5,105.0,110.0,124.2,128.9, 142.8、154;On backing plate when the 20mm big compared with die sleeve aperture of the aperture of through-hole 4, the deflection of die sleeve is minimum, service life longest.
A kind of improvement aluminum-extruding machine die sleeve deformation method, includes the following steps:
1) die sleeve 1 is assembled in head;
2) backing plate 3 is put into head, and ensures that 1 centre bore of die sleeve is corresponding with the through-hole of backing plate 3;
3) by fixing nut 2 device to head 1, die sleeve 1 and gasket 3 are locked in head, after the completion of assembly, End surface is assembled with head department of assembly end face or less than head in 2 end face of fixing nut;
4) head is hung in Medium Frequency Induction Heating Furnace and is heated up;
5) head is hung in aluminum-extruding machine after reaching and is produced by temperature.
Specific implementation mode two
As shown in Figure 2 to Figure 3, on the basis of specific embodiment 1, fixing nut 2 is in hollow cylindrical;Fixing nut 2 Outer surface is equipped with for the screw thread with head mating connection (not shown);First stratum's through-hole 21 and the are equipped in fixing nut 2 Two stratum's through-holes 22;First stratum's through-hole, 21 section is in regular hexagon;22 section of second level through-hole is rounded;First stratum is logical 21 circumscribed circle diameter of hole is more than 22 diameter of second level through-hole;First stratum's through-hole, 21 thickness is 77mm;
3 thickness of backing plate is 20mm, and 22 thickness of second level through-hole is 50mm;The big 20mm in aperture ratio die sleeve aperture of through-hole 4; It is obtained by test of many times, for gasket in above-mentioned thickness and aperture, thickness is the service life longest of the die sleeve 1 of 30mm.
What the present invention innovated is changed to the design that backing plate is fixed nut, increased plate thickness by existing fixing nut structure Equivalent to increase the load thickness of die sleeve, the deformation of die sleeve is reduced, the service life of die sleeve is substantially prolonged, reduces mould The scrappage of set, to ensure that the stability for squeezing out aluminum pipe thickness.
Simultaneously because the through-hole aperture processing of backing plate is flexible, it can be applicable in the production of different size electrical cable aluminium sheath, avoided The fixing nut of configuration plurality of specifications, has improved the versatility of fixing nut, greatly reduces enterprise's production cable aluminium shield The cost of set.
Existing die sleeve load part effective thickness be 30mm, grope through long-term technique, it is specified that die sleeve deflection less than It can be used in 1mm.When being not added with backing plate, thickness is that the die sleeve of 30mm uses less than 10 times, just has the deflection of 1mm or more, And the present invention is equivalent to the die sleeve that original load thickness is 30mm becoming the mould that thickness is 50mm after increasing backing plate design Set, increases the load thickness of die sleeve, simultaneously because the through-hole diameter of backing plate is only bigger 10mm than die sleeve aperture to 30mm, drops significantly The low load torque of die sleeve.Therefore the present invention is in the case where other conditions are constant, and after die sleeve uses 30 times, deflection is appointed So in 1mm, plate thickness, once the deformation of 1mm or more occurs, can equally be polished with respect to die sleeve thinner thickness.Effective thickness More than or equal to 14mm, corresponding access times are more than 30 times, and deflection is still less than 1mm.
Table 1 is one group of experimental data that different backing plate through-hole internal diameters correspond to die sleeve deflection after improving
Table 1
Table 2 is one group of experimental data that different plate thickness correspond to die sleeve deflection after improving
Table 2
Improved die sleeve deflection is can be seen that by the data in upper table to substantially reduce, wherein plate thickness is The deflection of 20mm, die sleeve are minimum;In the case of the through-hole internal diameter of backing plate is bigger 10mm than die sleeve internal diameter, the deflection of die sleeve is minimum, But when through-hole internal diameter 10mm big compared with die sleeve internal diameter, it is not easy to dimensional measurement, therefore is when through-hole internal diameter 20mm big compared with die sleeve internal diameter It is preferred that.The present invention can not only save the usage quantity of fixing nut, and can also greatly prolong the service life of die sleeve, greatly Ground reduces the production cost of enterprise's production electrical cable aluminium sheath.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical solution, all should be in the protection domain being defined in the patent claims.

Claims (10)

1. a kind of crowded aluminum die locking member, the crowded aluminum die includes die sleeve (1), it is characterised in that:It further include fixing nut (2), it is provided with backing plate (3) between the fixing nut (2) and the die sleeve (1);Backing plate (3) center is equipped with through-hole (4); The outer diameter of the backing plate (3) is identical as the die sleeve (1) outer diameter;The aperture of the through-hole (4) is more than the aperture of die sleeve (1), small Aperture in fixing nut (2).
2. crowded aluminum die locking member as described in claim 1:Fixing nut (2) thickness (D1), the backing plate (3) are thick It spends (D2);The sum of the thickness (D1) and thickness (D2) are 147mm.
3. crowded aluminum die locking member as claimed in claim 2:Backing plate (3) thickness (D2) is 14mm-20mm.
4. crowded aluminum die locking member as described in claim 1:The fixing nut (2) is in hollow cylindrical;The fixation Nut (2) outer surface is equipped with the screw thread for being connected with head;First stratum's through-hole is equipped in the fixing nut (2) (21) and second level through-hole (22);First stratum through-hole (21) section is in regular hexagon;The second level through-hole (22) section is rounded;First stratum through-hole (21) circumscribed circle diameter is more than second level through-hole (22) diameter;
The aperture of the through-hole (4) is less than the diameter of second level through-hole (22).
5. crowded aluminum die locking member as claimed in claim 4:First stratum through-hole (21) thickness is 77mm;Described The sum of two stratum's through-hole (22) thickness and the backing plate (3) thickness are 70mm.
6. aluminum-extruding machine die sleeve fixing nut as described in claim 1, it is characterized in that:The aperture ratio die sleeve of the through-hole (4) The big 10mm-30mm in aperture.
7. aluminum-extruding machine die sleeve fixing nut as described in claim 1 or 6, it is characterized in that:The aperture ratio mould of the through-hole (4) Cover the big 20mm in aperture.
8. a kind of improvement aluminum-extruding machine die sleeve deformation method, it is characterized in that:Include the following steps:
1) die sleeve (1) is assembled in head;
2) backing plate (3) is put into head, and ensures that die sleeve (1) centre bore is corresponding with the through-hole of backing plate (3);
3) by fixing nut (2) device to head (1), die sleeve (1) and gasket (3) is locked in head, assembled End surface is assembled in Cheng Hou, fixing nut (2) end face with head department of assembly end face or less than head;
4) head is hung in Medium Frequency Induction Heating Furnace and is heated up;
5) head is hung in aluminum-extruding machine after reaching and is produced by temperature.
9. improve aluminum-extruding machine die sleeve deformation method as claimed in claim 8, it is characterized in that:The thickness (D3) of the die sleeve (1) For 30mm;Die sleeve (1) pore diameter range is between 80-160mm.
10. improving aluminum-extruding machine die sleeve deformation method as claimed in claim 9:Backing plate (3) thickness (D2) is 20mm, backing plate The aperture 20mm big compared with die sleeve aperture of upper through-hole (4).
CN201810944605.4A 2018-08-19 2018-08-19 A kind of crowded aluminum die locking member and improve aluminum-extruding machine die sleeve deformation method Pending CN108655198A (en)

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CN201810944605.4A CN108655198A (en) 2018-08-19 2018-08-19 A kind of crowded aluminum die locking member and improve aluminum-extruding machine die sleeve deformation method

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS645622A (en) * 1987-06-29 1989-01-10 Showa Aluminum Corp Die slide for extruding machine
CN2566425Y (en) * 2001-11-08 2003-08-13 河北宝丰线缆有限公司 Electric cable core insulating three-layer co-extruder head
CN101618408A (en) * 2009-07-13 2010-01-06 佛山市禅城区南庄兴顺精密模具有限公司 Novel die for continuously extruding aluminum pipes, aluminum alloy pipes and special-shaped hollow profiles
CN103191945A (en) * 2012-01-10 2013-07-10 江苏舒恒管夹制造有限公司 Method and device for high-pressure hydraulic flange plasticity forming
CN104826887A (en) * 2015-05-15 2015-08-12 重庆泰山电缆有限公司 Aluminum extruding mold and method for improving wrinkling phenomenon of extruded aluminum tube of aluminum extruding machine
CN105922535A (en) * 2016-07-04 2016-09-07 苏州宝兴电线电缆有限公司 Die sleeve

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS645622A (en) * 1987-06-29 1989-01-10 Showa Aluminum Corp Die slide for extruding machine
CN2566425Y (en) * 2001-11-08 2003-08-13 河北宝丰线缆有限公司 Electric cable core insulating three-layer co-extruder head
CN101618408A (en) * 2009-07-13 2010-01-06 佛山市禅城区南庄兴顺精密模具有限公司 Novel die for continuously extruding aluminum pipes, aluminum alloy pipes and special-shaped hollow profiles
CN103191945A (en) * 2012-01-10 2013-07-10 江苏舒恒管夹制造有限公司 Method and device for high-pressure hydraulic flange plasticity forming
CN104826887A (en) * 2015-05-15 2015-08-12 重庆泰山电缆有限公司 Aluminum extruding mold and method for improving wrinkling phenomenon of extruded aluminum tube of aluminum extruding machine
CN105922535A (en) * 2016-07-04 2016-09-07 苏州宝兴电线电缆有限公司 Die sleeve

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