CN109047360A - A kind of quick deviation correcting device of aluminum-extruding machine and method - Google Patents
A kind of quick deviation correcting device of aluminum-extruding machine and method Download PDFInfo
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- CN109047360A CN109047360A CN201810944613.9A CN201810944613A CN109047360A CN 109047360 A CN109047360 A CN 109047360A CN 201810944613 A CN201810944613 A CN 201810944613A CN 109047360 A CN109047360 A CN 109047360A
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- China
- Prior art keywords
- gap
- die sleeve
- big nut
- mold core
- aluminum
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
Abstract
The invention discloses a kind of quick deviation correcting device of aluminum-extruding machine and methods, the quick deviation correcting device of aluminum-extruding machine includes head and mold, the mold includes mold core, die sleeve and big nut, 1) the quick tuningout method of aluminum-extruding machine is the following steps are included: determine assembly technology according to cable model;2) it is tentatively assembled;3) tuningout bolt is installed;4) lubricant is smeared;5) big nut is rotated, secondary gap adjustment is carried out;6) continue to rotate big nut;7) whether meet technique requirement with probe measurement gap;The configuration of the present invention is simple, by smearing antiseize lubricant between die sleeve and big nut, the frictional force between die sleeve and big nut is reduced, so that the pressure gauge of big nut, in 400-500psi, energy rotary offset bolt carries out gap adjustment, and the pressure gauge of big nut is in 400-500psi, it is more accurate to adjust gap, therefore only needs a gap adjustment that can accurately assemble success, guarantees assembly technology, the successful efficiency of assembly is improved, assembly time is also substantially reduced.
Description
Technical field
The present invention relates to a kind of quick deviation correcting device of aluminum-extruding machine and methods.
Background technique
Formula corrugated aluminum sheath cable is extruded because its longitudinal water-blocking ability is preferable, 110kV or more the voltage that coastal area uses
The cable of grade, which mostly uses greatly, extrudes formula corrugated aluminum sheath cable, therefore this cable has higher want to protective metal shell used
It asks, this most important two parameters of aluminium sheath are exactly its thinnest point thickness and average thickness.Therefore this kind of aluminium sheath is produced
When, above-mentioned two parameter is exactly the major parameter for controlling aluminium sheath quality, and the thickness of aluminum pipe and mold assembly are closely related.
The production process of aluminium sheath is different from plastic sheath or rubber sheath production process, and plastic sheath or rubber sheath can
Adjusts relative position between mold, and then the thickness of control sheath when squeezing out in process of production.And the production process of aluminium sheath
In, relative position between mold cannot be adjusted in production.Because being full of the aluminium in semi-molten, high-pressure state between mold,
Gap between mold can not be adjusted;In addition, time-consuming for existing assembly technology, and accuracy is low, because existing assembly technology is first
It after the completion of dress, needs for one step of big nut to be screwed into place, that is, requires to choose to install the gauge hand of big nut from 0psi-800psi mono-
Step is completed, and, in the process because big nut is larger to die sleeve pressure, die sleeve is easy to happen displacement, is also difficult to a step and is assembled to for this
Position, therefore the process for generally requiring 3-5 dismounting can be only achieved technique requirement, it is very time-consuming, significantly reduce working efficiency.
In addition once the aluminum-extruding machine mold assembled is not inconsistent synthesis production. art, disassembly refitting at least needs 4 hours;If had been put into
After producing line use, just discovery extrusion aluminum pipe does not meet technique and requires then more to bother, because mold is during production and application
It is tightly wrapped up by aluminium, therefore dismantles mold at this time, it is also necessary to first steeped mold in alkali pool, after the aluminium between mold all dissolution
Mold could be taken out to ressemble, and dissolve to ressemble again and take around 3 days.
Therefore those skilled in the art be dedicated to studying it is a kind of can quickly, the reliable assembling method of squeezing aluminum die.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide one kind can quickly,
The method that reliable assembling squeezes aluminum die.
To achieve the above object, the present invention provides a kind of quick deviation correcting device of aluminum-extruding machine, including head and mold, molds
It further include big nut including mold core and die sleeve;Big nut is close to connection with die sleeve, and lubrication is additionally provided between big nut and die sleeve
Layer;Mounting hole is offered on head, is equipped with tuningout bolt in mounting hole.
Further, big nut is made of fixture nut and backing plate;Backing plate is close to connection with die sleeve, and big nut and die sleeve it
Between be additionally provided with lubricant layer.
A kind of method of the quick tuningout of aluminum-extruding machine, comprising the following steps:
1) gap between mold core and die sleeve is determined;
2) it carries out mold tentatively to assemble, and is required according to mandrel, gap between presetting mold core and die sleeve, it is ensured that it is thick to squeeze out aluminum pipe
Degree meets technique requirement;
3) tuningout bolt is screwed on head, tentatively fixed die sleeve.
4) lubricant is smeared between die sleeve and big nut form lubricant layer;
5) big nut is rotated, until gauge hand points between 400-500psi;Rotary offset bolt carries out secondary
Gap adjustment;
6) continue rotation big nut to gauge hand and point to 800psi;
7) it is inserted into gap between mold core and die sleeve with gap testing tool, judges whether gap meets technique between mold core and die sleeve
It is required that;Meet, then tightens the fixed die sleeve position of tuningout bolt, complete assembly;Be unsatisfactory for, then carry out the 5) step, until mold core with
Gap meets technique requirement between die sleeve.
Further, in step 1), determine between mold core 1 and die sleeve 2 gap L be extruded according to cable corrugated aluminium sheath model and its
Corresponding assembly technology specifically includes following four model and corresponding assembly technology come what is be determined:
Cable extrudes corrugated aluminium sheath for 110kV 800mm2And when following cable, between assembly technology is between mold core and die sleeve
Gap is along the circumferential direction identical;
Cable extrudes corrugated aluminium sheath for 110kV 1000mm2And 1200mm2When cable, assembly technology is mold core and die sleeve
Between top gap-ratio below the big 0.3mm-0.4mm in gap;
Cable extrudes corrugated aluminium sheath for 220kV 1000mm2And 1200mm2When cable, assembly technology is mold core and die sleeve
Between top gap-ratio below the big 0.5mm-0.6mm in gap;
Cable extrudes corrugated aluminium sheath for 220kV 2000mm2And 2500mm2When cable, assembly technology is mold core and die sleeve
Between top gap-ratio below the big 0.7mm-0.8mm in gap.
It is closed on as when the cable, which extrudes corrugated aluminium sheath model, is not present in above-mentioned specification, assembly technology will be referred to above-mentioned
The assembly technology of model cable.
Further, it in step 2), is required according to mandrel, specific step is as follows in gap between presetting mold core and die sleeve:
1) judge whether mandrel has deformation;
2) there is deformation, then in preliminary assembly, with the top gap and lower section between mold core and die sleeve determining in step 1)
Again by difference expansion 0.1mm-0.3mm on the basis of difference between gap;
3) without deformation, then gap and assembly technology require gap between mold core and die sleeve when preliminary assembly.
Preferably, lubricant is to prevent from overheating stuck lubricant in step 4).
Preferably, step 3) intermediate gap detection instrument is probe.
Preferably, tuningout bolt is radially screwed into head along die sleeve, and tuningout bolt is 8 altogether in step 3).
The configuration of the present invention is simple forms lubricant layer by smearing antiseize lubricant between die sleeve and big nut,
The frictional force between die sleeve and big nut is reduced, so that the pressure gauge of big nut in 400-500psi, can rotate tune
Inclined bolt carries out gap adjustment, and the pressure gauge of big nut, in 400-500psi, adjustment gap is more accurate, therefore only needs one
Secondary gap adjustment can accurately assemble success, guarantee assembly technology, improve the successful efficiency of assembly, while also substantially reducing
Assembly time.
Detailed description of the invention
Fig. 1 is the detection method schematic diagram of the embodiment of the invention;
Fig. 2 is die sleeve and structural schematic diagram at mold core assembly in the present invention;
In figure: 1- mold core;2- die sleeve;3- tuningout bolt;5- lubricant layer;6- head;
4- big nut;41- fixture nut;42- backing plate;
Gap between L- mold core and die sleeve.
Specific embodiment
With reference to the accompanying drawings and examples, the invention will be further described:
As shown in Fig. 1 to 2, a kind of quick deviation correcting device of aluminum-extruding machine, including head 6 and mold, mold include 1 He of mold core
Die sleeve 2 further includes big nut 4;Big nut 4 is close to connection with die sleeve 2, and lubricant layer 5 is additionally provided between big nut 4 and die sleeve 2;
Mounting hole is offered on head, is equipped with tuningout bolt 3 in mounting hole.Pass through reducing between big nut 5 and die sleeve for lubricant layer 5
Coefficient of friction;And then on the one hand can slow down Influence of Displacement when big nut rotation is screwed into die sleeve, another aspect big nut is twisted
The secondary tuningout of tuningout bolt progress can be turned in 400-500psi by entering pressure.
Big nut 4 is made of fixture nut 41 and backing plate 42;Backing plate 42 is close to connection, and big nut 4 and mould with die sleeve 2
It is additionally provided with lubricant layer 5 between set 2, alleviates the stress of die sleeve by the design of backing plate, die sleeve can be effectively prevent to deform.
A kind of method of the quick tuningout of aluminum-extruding machine, comprising the following steps:
The first step selects cable to extrude corrugated aluminium sheath model and corresponding assembly technology, really according to the model of production cable
Gap L between cover half core 1 and die sleeve 2;Cable model mainly includes following four, one, 110kV 800mm2And following cable
Cable extrudes corrugated aluminium sheath, and corresponding mold assembly technology gap between mold core 1 and die sleeve 2 is uniform, i.e., between mold core 1 and die sleeve 2
Top gap is equal;Two, 110kV 1000mm2 and 1200mm2The cable of cable extrudes corrugated aluminium sheath, corresponding mold assembler
Skill big 0.3mm-0.4mm in gap below the top gap-ratio between mold core 1 and die sleeve 2;Three, 220kV 1000mm2And 1200mm2
The cable of cable extrudes corrugated aluminium sheath, corresponding mold assembly technology gap below the top gap-ratio between mold core 1 and die sleeve 2
Big 0.5mm-0.6mm;Four, 220kV 2000mm2And 2500mm2The cable of cable extrudes corrugated aluminium sheath, corresponding mold assembler
Skill big 0.7mm-0.8mm in gap below the top gap-ratio between mold core 1 and die sleeve 2;If cable extrudes corrugated aluminium sheath model
When being not present in above-mentioned specification, assembly technology will refer to and the above-mentioned assembly technology for closing on model cable.
Second step tentatively assembles mold according to above-mentioned assembly technology, considers mandrel (not shown) when assembly
It uses for a long time, it is understood that there may be certain deformation.Therefore just judge whether mandrel has deformation before dress, if there is deformation, then according to core
Shaft distortion situation, in preliminary assembly, between the mold core 1 and die sleeve 2 that are determined in step 1) top gap and lower section gap it
Between based on difference, then by difference expansion 0.1mm-0.3mm;If without deformation, gap between mold core 1 and die sleeve 2 when tentatively assembling
Require gap identical with assembly technology;
Step 3: being just screwed into 8 equally distributed tuningout bolts 3 on head after the completion of dress and tentatively being fixed;
Step 4: smearing between die sleeve 2 and big nut 4 or backing plate 42 with big nut prevents from overheating stuck lubrication
Agent forms lubricant layer;
Step 5: rotation big nut 4, until gauge hand points between 400-500psi;Rotary offset bolt 3 into
The secondary gap adjustment of row;
Step 6: continuing rotation big nut 4 to gauge hand points to 800psi;
Step 7: being inserted into gap between mold core 1 and die sleeve 2 with probe, judge whether gap meets work between mold core 1 and die sleeve 2
Skill requirement;If satisfied, then tightening fixed 2 position of die sleeve of tuningout bolt 3, assembly is completed;If being unsatisfactory for technique requirement, opposite direction
Then rotation big nut 4 is repeating the above steps five to seven, until mold core until gauge hand points between 400-500psi
Gap meets technique requirement between 1 and die sleeve 2.
The pressure that big nut applies when tuningout secondary due to tuningout bolt is between 400-500psi, in tuningout bolt
Secondary tuningout, the pressure that big nut applies increase to 800psi, the pressure change of big nut directly in this starting point of 400-500psi
For degree for original 0-800psi, pressure change span reduces half, along with it is stubborn it is tighter in the case where rotation angle
The nut change value of pressure of degree changes bigger situation, will lead to after adjusting between 400-500psi, the pressing force of big nut
It is much smaller to the Influence of Displacement of die sleeve.Therefore under normal conditions, only need a tuningout that can assemble in place.If do not filled once
It prepares, then carries out above step five.
The coating lubricating oil between die sleeve and big nut that the present invention innovates reduces the frictional force between die sleeve and big nut,
So that big nut pressure be 400-500psi when, can rotary offset bolt, carry out tuningout.Cleverly by original 0-
Mono- tuningout overall process of 800psi becomes two tuningout processes of 0-400psi and 400psi-800psi, not only shortens assembly
Time also substantially increases the success rate of assembly.
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 within the scope of protection determined by the claims.
Claims (8)
1. a kind of quick deviation correcting device of aluminum-extruding machine, including head (6) and mold, the mold includes mold core (1) and die sleeve (2),
It is characterized in that: further including big nut (4);The big nut (4) is close to connection, and the big nut (4) and die sleeve with die sleeve (2)
(2) lubricant layer (5) are additionally provided between;Mounting hole is offered on the head, is equipped with tuningout bolt (3) in the mounting hole.
2. the quick deviation correcting device of aluminum-extruding machine mold as described in claim 1, it is characterized in that: the big nut (4) is by fixed spiral shell
Female (41) and backing plate (42) are constituted;The backing plate (42) is close to connection with die sleeve (2), and the big nut (4) and die sleeve (2) it
Between be additionally provided with lubricant layer (5).
3. a kind of method of the quick tuningout of aluminum-extruding machine, it is characterized in that: the following steps are included:
1) it determines gap (L) between mold core (1) and die sleeve (2);
2) it carries out mold tentatively to assemble, and is required according to mandrel, gap between presetting mold core (1) and die sleeve (2), it is ensured that squeeze out aluminum pipe
Thickness meets technique requirement;
3) tuningout bolt (3) are screwed on head, tentatively fixed die sleeve (2);
4) lubricant is smeared between die sleeve (2) and big nut (4) form lubricant layer;
5) big nut (4) are rotated, until gauge hand points between 400-500psi;Rotary offset bolt (3) carries out secondary
Gap adjustment;
6) continue rotation big nut (4) to gauge hand and point to 800psi;
7) with gap between gap testing tool insertion mold core (1) and die sleeve (2), judge between mold core (1) and die sleeve (2) whether is gap
Meet technique requirement;Meet, then tightens tuningout bolt (3) fixed die sleeve (2) position, complete assembly;It is unsatisfactory for, then carries out the 5)
Step, until gap meets technique requirement between mold core (1) and die sleeve (2).
4. the method for the quick tuningout of aluminum-extruding machine as claimed in claim 3, it is characterized in that: determining mold core (1) in the step 1)
Gap (L) extrudes corrugated aluminium sheath model and its corresponding assembly technology to be determined, specifically according to cable between die sleeve (2)
Including following four model and corresponding assembly technology:
The cable extrudes corrugated aluminium sheath for 110kV 800mm2And when following cable, assembly technology is mold core (1) and die sleeve
(2) gap is along the circumferential direction identical between;
The cable extrudes corrugated aluminium sheath for 110kV 1000mm2And 1200mm2When cable, assembly technology is mold core (1) and mould
Cover the big 0.3mm-0.4mm in gap below the top gap-ratio between (2);
The cable extrudes corrugated aluminium sheath for 220kV 1000mm2And 1200mm2When cable, assembly technology is mold core (1) and mould
Cover the big 0.5mm-0.6mm in gap below the top gap-ratio between (2);
The cable extrudes corrugated aluminium sheath for 220kV 2000mm2And 2500mm2When cable, assembly technology is mold core (1) and mould
Cover the big 0.7mm-0.8mm in gap below the top gap-ratio between (2).
5. the method for the quick tuningout of aluminum-extruding machine as claimed in claim 2 or claim 3, it is characterized in that: in the step 2), and according to core
Axis requirement, specific step is as follows in gap between presetting mold core (1) and die sleeve (2):
1) judge whether mandrel has deformation;
2) there is deformation, then in preliminary assembly, with the top gap between mold core (1) and die sleeve (2) determining in step 1) under
Again by difference expansion 0.1mm-0.3mm on the basis of difference between square gap;
3) without deformation, then gap and assembly technology require gap between mold core (1) and die sleeve (2) when preliminary assembly.
6. the method for the quick tuningout of aluminum-extruding machine as claimed in claim 3, it is characterized in that: lubricant is anti-in the step 4)
Only overheat stuck lubricant.
7. the method for the quick tuningout of aluminum-extruding machine as claimed in claim 3, it is characterized in that: the gap detection work in the step 4)
Tool is gap probe.
8. the method for the quick tuningout of aluminum-extruding machine as described in as described in claim 1 or 3 is any, it is characterized in that: in the step 3),
The tuningout bolt (3) is radially screwed into head along die sleeve, and the tuningout bolt (3) is 8 altogether.
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Cited By (1)
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CN111204030A (en) * | 2019-09-11 | 2020-05-29 | 浙江万马股份有限公司 | Pipe-extruding type quick eccentric adjustment operation method |
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