CN109663830A - A kind of aluminium alloy extruded cylinder of modified and its manufacturing method - Google Patents
A kind of aluminium alloy extruded cylinder of modified and its manufacturing method Download PDFInfo
- Publication number
- CN109663830A CN109663830A CN201910101821.7A CN201910101821A CN109663830A CN 109663830 A CN109663830 A CN 109663830A CN 201910101821 A CN201910101821 A CN 201910101821A CN 109663830 A CN109663830 A CN 109663830A
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- CN
- China
- Prior art keywords
- heating
- insulating layer
- layer
- cylinder
- aluminium alloy
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- 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.)
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Classifications
-
- 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
- B21C27/00—Containers for metal to be extruded
-
- 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
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/003—Cooling or heating of work
-
- 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
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/02—Cooling or heating of containers for metal to be extruded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention discloses a kind of aluminium alloy extruded cylinders of modified, the structure with external bushing, insulating layer, heating layer and neck bush；The heart hollow region of the neck bush is barrel, is combined together outside the neck bush with the heating layer heart；It is tightly fitted in together outside the heating layer with the insulating layer heart；Outside the insulating layer together with the external bushing heart close-fitting, the extrusion cylinder of annular four-layer structure is formed；Resistive heating system has been evenly arranged inside the insulating layer；Electromagnetic heating system has been evenly arranged outside the heating layer.Also disclose the corresponding aluminium alloy extruded cylinder manufacturing method of modified.The extrusion cylinder has preferable heating and heat preserving function, is simple to manufacture conveniently, and replacement component is convenient after internal damage, easy to maintain；Simultaneously with the extrusion cylinder of this method manufacture, long service life is not easy to break down in use.
Description
Technical field
The present invention relates to a kind of aluminium alloy extruded processing technologies, more particularly relate to aluminium alloy extruded cylinder technical field.
Background technique
A kind of method that extrusion process belongs to formed product processing needs to make phase to form the shape of product of needs
The extrusion die and extrusion cylinder answered.Aluminium alloy extruded cylinder belongs to the component being used cooperatively with aluminium alloy extruded cylinder.
Aluminium alloy extruded cylinder has different pattern and structure, the molding of efficiency and product to aluminium alloy extruded processing
Quality has large effect.With advances in technology, the structure and status of extrusion cylinder are also constantly being improved, and use the longevity to improve
Life and production efficiency.Very widely used today extrusion cylinder, majority is all the integral structure being fabricated to by a barred body material, in order to
Improve and optimize service performance, and improve service life, reduce production maintenance cost, gradually development is crowded for double-deck or multilayer
Pressure cylinder structure.
The multilayered structure of present extrusion cylinder, although gradually developing to multifunction and long-life direction, inside setting is corresponding
Heat insulation system.But set heating system too complex, it is easily damaged, it replaces difficult in maintenance.In addition, extrusion cylinder
It is internal for a long time using aging or damage after, cannot effective repair and replacement, reduce the service life of entire extrusion cylinder, increase
Production cost.
Summary of the invention
In view of this, in order to overcome the shortcomings of the above technical problems, the present invention provides a kind of aluminium alloy extruded cylinder of modified,
And the manufacturing method of the extrusion cylinder, the extrusion cylinder have preferable heating and heat preserving function, are simple to manufacture conveniently, after internal damage
It is convenient to replace component, it is easy to maintain；The extrusion cylinder of this method manufacture, long service life are not easy to break down in use.
In order to solve the above technical problems, the technical solution of the present invention is as follows: a kind of aluminium alloy extruded cylinder of modified, has outer lining
The structure of set, insulating layer, heating layer and neck bush；The heart hollow region of the neck bush is barrel, raw material of aluminum alloy dress
Extrusion process is used in the barrel；It is combined together outside the neck bush with the heating layer heart；The heating layer
It is external to be tightly fitted in together with the insulating layer heart；Outside the insulating layer together with the external bushing heart close-fitting, shape
Circularize the extrusion cylinder of four-layer structure；Resistive heating system has been evenly arranged inside the insulating layer；Outside the heating layer
It is even to be disposed with electromagnetic heating system.
As an improvement the neck bush central region is provided with thermometer hole；It links together with temperature sensor,
Control the effect of extrusion cylinder temperature.
As an improvement the resistive heating system of the insulating layer, has resistance wire, bottoming hole, insulator and connector
Structure, be evenly distributed with multiple bottoming holes inside the insulating layer, the resistance wire is arranged in bottoming hole；The resistance wire
End and electric wire connecting place are provided with insulation sleeve and electric connection.
As a further improvement, the electromagnetic heating system of the heating layer, has water pipe head, electric connection, insulating layer, line
The structure of ring recess and coil, the coil slot are arranged in the heating layer perimeter, and the coil is arranged according to wire loop
In online ring recess；The coil is connected with electric connection, and uniform insulating layer is provided on the coil；The water pipe head setting
In electric connection end.
As a further improvement, the coil is made with copper tube.
The extrusion cylinder has preferable heating and thermal insulation effect, and readily replaceable after neck bush abrasion, easy to maintain.
The present invention also provides a kind of manufacturing method for manufacturing the aluminium alloy extruded cylinder, the aluminium alloy extruded cylinder of modified
Manufacturing method has follow steps:
S1, material selection, wherein the neck bush material selection heat makees extrusion cylinder steel；The material of remaining part is general tool
Steel；
S2, material roughing, unilateral reserved 0.5mm machining allowance；
S3, material heat treatment: quenching and tempering are carried out to the extrusion cylinder after roughing；
S4, the heating layer and insulating layer production: the outer surface of heating layer described in first finishing processing and the coil slot；Reprocessing
The inner surface of the insulating layer and the bottoming hole meet the tolerance of hot jacket conjunction；
S5, the heating layer and insulating layer heat fitting: after the insulating layer heating, the insulating layer being tightly placed in the heating
On layer, freely cooled down after fitting；
S6, extrusion cylinder surface finish work: the molding of finishing extrusion cylinder and package size；
S7, extrusion cylinder assembly, are assembled according to installation diagram；The neck bush is packed into the heating layer；The outer lining suit
On the insulating layer；The coil is packed into the coil slot, the resistance wire is packed into the bottoming hole.
Preferably, the neck bush raw material are that 3Cr2W8V heat makees extrusion cylinder steel.
Preferably, the quenching process of neck bush described in step S3 are as follows:
It heats up and keeps the temperature for the first time: glowing furnace preheating temperature to extrusion cylinder shove charge after 620 DEG C；And 870 DEG C are warming up to, heating rate
65 DEG C/h；And keep the temperature 30 minutes；
Second of heating and heat preservation: the glowing furnace is warming up to 1070 DEG C, 150 DEG C/h of heating rate；And keep the temperature 1 hour；
Cooling down: 300 DEG C/h of cooling rate, using the cooling extrusion cylinder of oil, cylinder temperature drop to be extruded when cooling to 980 DEG C
Tempering is carried out when to 70 DEG C.
Preferably, the insulating layer heating fitting temperature is 700 DEG C ~ 750 DEG C.
The invention has the beneficial effects that: the extrusion cylinder has preferable heating and heat preserving function, is simple to manufacture conveniently, internal
It is convenient that component is replaced after damage, it is easy to maintain；Simultaneously with the extrusion cylinder of this method manufacture, long service life is not allowed in use
Easily break down.In addition, after the components such as coil and resistance wire of extrusion cylinder use aging or damage for a long time, it can conveniently more
Maintenance is changed, the service life of entire extrusion cylinder is increased, reduces production cost.
Detailed description of the invention
Fig. 1 is the aluminium alloy extruded cylinder schematic diagram of internal structure of modified of the present invention；
Fig. 2 is the aluminium alloy extruded cylinder main view of modified of the present invention；
Fig. 3 is the heating structure arrangement schematic diagram of the aluminium alloy extruded cylinder of modified of the present invention；
In the figure, it is marked as 1 external bushing, 2 heating layers, 3 barrels, 4 neck bush, 5 insulating layers, 6 thermometer holes；21 water pipe heads, 22 electricity
Connector, 23 insulating layers, 24 coil slots, 25 coils, 26 wire loops；51 connectors, 52 insulation sleeves, 53 bottoming holes.
Specific embodiment
It is right combined with specific embodiments below in order to make those skilled in the art more fully understand technical solution of the present invention
The present invention is described in further detail, it is clear that and described embodiment is only a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those skilled in the art are not making creative work
Under the premise of, every other embodiment obtained shall fall within the protection scope of the present invention.
As shown in Figures 1 to 3, the aluminium alloy extruded cylinder of modified of the invention has external bushing 1, insulating layer 5,2 and of heating layer
The structure of neck bush 4；The heart hollow region of the neck bush 4 is barrel 3, and raw material of aluminum alloy is used in the barrel 3
In extrusion process；4 outside of neck bush is combined together with 2 heart of heating layer；2 outside of heating layer and the guarantor
Warm 5 heart of layer tightly fits in together；5 outside of insulating layer forms four layers of annular together with the 1 heart close-fitting of external bushing
The extrusion cylinder of structure；Resistive heating system has been evenly arranged inside the insulating layer 5；It has been evenly arranged outside the heating layer 2
Electromagnetic heating system；The resistive heating system of the insulating layer 5 has resistance wire 54, bottoming hole 53, insulator 52 and connector 51
Structure, be evenly distributed with multiple bottoming holes 53 inside the insulating layer 5, the resistance wire 54 is arranged in bottoming hole 53；Institute
It states 54 end of resistance wire and electric wire connecting place is provided with insulation sleeve 52 and electric connection 51；The electromagnetic heating system of the heating layer 2,
With water pipe head 21, electric connection 22, insulating layer 23, the structure of coil slot 24 and coil 25, the setting of coil slot 24 is in institute
2 perimeter of heating layer is stated, the coil 25 is arranged in online ring recess 24 according to wire loop 26；The coil 25 and electric connection
22 are connected, and uniform insulating layer 23 is provided on the coil 25；The water pipe head 21 is arranged in 22 end of electric connection.
Such extruding barrel structure has and dismounts easy to maintain, the high feature of service efficiency.And extrusion cylinder is with replaceable
Property, neck bush Reusability reach service life or damage, can only change neck bush, substantially reduce extrusion cylinder maintenance cost.
The manufacturing method of the aluminium alloy extruded cylinder of modified, has follow steps:
S1, material selection, wherein 4 raw material of the neck bush are that 3Cr2W8V heat makees extrusion cylinder steel；The material of remaining part is
General tool steel；
S2, material roughing, unilateral reserved 0.5mm machining allowance；
S3, material heat treatment: quenching and tempering are carried out to the extrusion cylinder after roughing；The quenching process of the neck bush 4
Are as follows:
It heats up and keeps the temperature for the first time: glowing furnace preheating temperature to extrusion cylinder shove charge after 620 DEG C；And 870 DEG C are warming up to, heating rate
65 DEG C/h；And keep the temperature 30 minutes；
Second of heating and heat preservation: the glowing furnace is warming up to 1070 DEG C, 150 DEG C/h of heating rate；And keep the temperature 1 hour；
Cooling down: 300 DEG C/h of cooling rate, using the cooling extrusion cylinder of oil, cylinder temperature drop to be extruded when cooling to 980 DEG C
Tempering is carried out when to 70 DEG C；
S4, the heating layer 2 and insulating layer 5 make: the outer surface of heating layer 2 described in first finishing processing and the coil slot 24；
The inner surface and the bottoming hole 53 for reprocessing the insulating layer 5 meet the tolerance of hot jacket conjunction；
S5, the heating layer 2 and insulating layer 5 heat fitting: after the insulating layer 5 is heated to 700 DEG C ~ 750 DEG C, by the heat preservation
Layer 5 is tightly placed on the heating layer 2, is freely cooled down after fitting；
S6, extrusion cylinder surface finish work: the molding of finishing extrusion cylinder and package size；
S7, extrusion cylinder assembly, are assembled according to extrusion cylinder schematic diagram of internal structure 1；The neck bush 4 is packed into the heating
Layer 2；The external bushing 1 is on the insulating layer；The coil 25 is packed into the coil slot 24, the resistance wire 54 is packed into
The bottoming hole 53.
The extrusion cylinder manufacturing procedure is succinct, it is easy to accomplish, and extrusion cylinder fabricates high production efficiency.
The above is only the preferred embodiment of the present invention, it is noted that above-mentioned preferred embodiment is not construed as pair
Limitation of the invention, protection scope of the present invention should be defined by the scope defined by the claims..For the art
For those of ordinary skill, without departing from the spirit and scope of the present invention, several improvements and modifications can also be made, these change
It also should be regarded as protection scope of the present invention into retouching.
Claims (9)
1. a kind of aluminium alloy extruded cylinder of modified, with external bushing (1), insulating layer (5), heating layer (2) and neck bush (4) knot
Structure；It is characterized by:
The heart hollow region of the neck bush (4) is barrel (3)；Neck bush (4) outside and the heating layer (2) heart
It is combined together；It is tightly fitted in together outside the heating layer (2) with the insulating layer (5) heart；The insulating layer (5) is external
Together with the external bushing (1) heart close-fitting, the extrusion cylinder of annular four-layer structure is formed；The insulating layer (5) is internal uniformly
It is disposed with resistive heating system；Electromagnetic heating system has been evenly arranged outside the heating layer (2).
2. the aluminium alloy extruded cylinder of a kind of modified according to claim 1, it is characterised in that: in the middle part of the neck bush (4)
Region is provided with thermometer hole (6).
3. the aluminium alloy extruded cylinder of a kind of modified according to claim 1, it is characterised in that: the electricity of the insulating layer (5)
Hindering heating system has resistance wire (54), bottoming hole (53), insulator (52) and connector (51)；The insulating layer (5) is internal
Even to be distributed with multiple bottoming holes (53), the resistance wire (54) is arranged in bottoming hole (53)；Resistance wire (54) end with
Electric wire connecting place is provided with insulation sleeve (52) and electric connection (51).
4. according to claim 1 or a kind of 2 or 3 described in any item aluminium alloy extruded cylinders of modified, it is characterised in that: add
The electromagnetic heating system of thermosphere (2) has water pipe head (21), electric connection (22), insulating layer (23), coil slot (24) and coil
(25)；The coil slot (24) is arranged in the heating layer (2) perimeter, and the coil (25) sets according to wire loop (26)
It sets in online ring recess (24)；The coil (25) is connected with electric connection (22), is provided with uniform insulation on the coil (25)
Layer (23)；The water pipe head (21) is arranged in electric connection (22) end.
5. the aluminium alloy extruded cylinder of a kind of modified according to claim 4, it is characterised in that: the coil (24) uses red copper
Pipe is made.
6. a kind of manufacturing method of the aluminium alloy extruded cylinder of modified according to claim 1, has follow steps:
S1, material selection, wherein the neck bush (4) material selection heat makees extrusion cylinder steel；The material of remaining part is unskilled labor
Has steel；
S2, material roughing, unilateral reserved 0.5mm machining allowance；
S3, material heat treatment: quenching and tempering are carried out to the extrusion cylinder after roughing；
S4, the heating layer (2) and insulating layer (5) production: the outer surface of heating layer described in first finishing processing (2) and the coil
Slot (24)；The inner surface and the bottoming hole (53) for reprocessing the insulating layer (5) meet the tolerance of hot jacket conjunction；
S5, the heating layer (2) and insulating layer (5) heat fitting: after the insulating layer 5 heats, the insulating layer (5) is fixed
On the heating layer (2), freely cooled down after fitting；
S6, extrusion cylinder surface finish work: the molding of finishing extrusion cylinder and package size；
The neck bush (4), are packed into the heating layer (2) by S7, extrusion cylinder assembly；The external bushing (1) is mounted in the heat preservation
On layer (5)；The coil (25) are packed into the coil slot (24), the resistance wire (54) is packed into the bottoming hole (53).
7. a kind of manufacturing method of the aluminium alloy extruded cylinder of modified according to claim 6, it is characterised in that: the liner
Set (4) raw material are that 3Cr2W8V heat makees extrusion cylinder steel.
8. a kind of manufacturing method of the aluminium alloy extruded cylinder of modified according to claim 6, it is characterised in that: in step S3
The quenching process of the neck bush (4) are as follows:
It heats up and keeps the temperature for the first time: glowing furnace preheating temperature to extrusion cylinder shove charge after 620 DEG C；And 870 DEG C are warming up to, heating rate
65 DEG C/h；And keep the temperature 30 minutes；
Second of heating and heat preservation: the glowing furnace is warming up to 1070 DEG C, 150 DEG C/h of heating rate；And keep the temperature 1 hour；
Cooling down: 300 DEG C/h of cooling rate, using the cooling extrusion cylinder of oil, cylinder temperature drop to be extruded when cooling to 980 DEG C
Tempering is carried out when to 70 DEG C.
9. a kind of manufacturing method of the aluminium alloy extruded cylinder of modified according to claim 6, it is characterised in that: the heat preservation
Layer (5) heating fitting temperature is 700 DEG C ~ 750 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101821.7A CN109663830A (en) | 2019-02-01 | 2019-02-01 | A kind of aluminium alloy extruded cylinder of modified and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910101821.7A CN109663830A (en) | 2019-02-01 | 2019-02-01 | A kind of aluminium alloy extruded cylinder of modified and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109663830A true CN109663830A (en) | 2019-04-23 |
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ID=66150377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910101821.7A Pending CN109663830A (en) | 2019-02-01 | 2019-02-01 | A kind of aluminium alloy extruded cylinder of modified and its manufacturing method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4064723A (en) * | 1975-07-18 | 1977-12-27 | Allmanna Svenska Elektriska Aktiebolaget | Hydrostatic extrusion press |
| CN1425513A (en) * | 2001-12-11 | 2003-06-25 | 中国科学院金属研究所 | Heat-insulating hot extruding method |
| CN102389906A (en) * | 2011-11-03 | 2012-03-28 | 清华大学 | Prestressed wire winding recipient |
| CN102950442A (en) * | 2012-11-13 | 2013-03-06 | 深圳市芭田生态工程股份有限公司 | Machining process for extrusion die |
| CN203972511U (en) * | 2014-06-04 | 2014-12-03 | 石家庄百山机械设备有限公司 | A kind of recipient preheat temperature insulation device |
| CN207746223U (en) * | 2017-12-26 | 2018-08-21 | 北京大学深圳研究院 | Rare earth enhances magnesium-zinc alloy seamless tubular goods temperature control extrusion die |
| CN209716082U (en) * | 2019-02-01 | 2019-12-03 | 南通市荣力达铝业有限公司 | A kind of aluminium alloy extruded cylinder of modified |
-
2019
- 2019-02-01 CN CN201910101821.7A patent/CN109663830A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4064723A (en) * | 1975-07-18 | 1977-12-27 | Allmanna Svenska Elektriska Aktiebolaget | Hydrostatic extrusion press |
| CN1425513A (en) * | 2001-12-11 | 2003-06-25 | 中国科学院金属研究所 | Heat-insulating hot extruding method |
| CN102389906A (en) * | 2011-11-03 | 2012-03-28 | 清华大学 | Prestressed wire winding recipient |
| CN102950442A (en) * | 2012-11-13 | 2013-03-06 | 深圳市芭田生态工程股份有限公司 | Machining process for extrusion die |
| CN203972511U (en) * | 2014-06-04 | 2014-12-03 | 石家庄百山机械设备有限公司 | A kind of recipient preheat temperature insulation device |
| CN207746223U (en) * | 2017-12-26 | 2018-08-21 | 北京大学深圳研究院 | Rare earth enhances magnesium-zinc alloy seamless tubular goods temperature control extrusion die |
| CN209716082U (en) * | 2019-02-01 | 2019-12-03 | 南通市荣力达铝业有限公司 | A kind of aluminium alloy extruded cylinder of modified |
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