CN114160595A - Centering and cold material pushing method for aluminum alloy section extruder die holder - Google Patents
Centering and cold material pushing method for aluminum alloy section extruder die holder Download PDFInfo
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- CN114160595A CN114160595A CN202210080100.4A CN202210080100A CN114160595A CN 114160595 A CN114160595 A CN 114160595A CN 202210080100 A CN202210080100 A CN 202210080100A CN 114160595 A CN114160595 A CN 114160595A
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- centering
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- 238000000034 method Methods 0.000 title claims abstract description 42
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 31
- 239000000463 material Substances 0.000 title claims description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 81
- 229910052782 aluminium Inorganic materials 0.000 claims description 19
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 8
- 238000001816 cooling Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000641 cold extrusion Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/21—Presses specially adapted for extruding metal
- B21C23/212—Details
- B21C23/215—Devices for positioning or centering press components, e.g. die or container
-
- 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
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Extrusion Of Metal (AREA)
Abstract
A centering method of an aluminum alloy section extruder die holder comprises the following steps of providing a die holder, wherein the die holder is hollow and provided with an accommodating cavity, a centering piece is coaxially embedded in the accommodating cavity, and the centering piece is hollow and provided with a centering cavity; providing an extrusion container, wherein the extrusion container is hollow and provided with an extrusion cavity; the die holder is provided with a fine adjustment piece along the periphery, and during use, the die holder is finely adjusted by the fine adjustment piece to make the middle cavity and the extrusion cavity be in a coaxial arrangement state, and further the centering function of the extruder is completed. According to the centering method, the mold set for centering in cooling is replaced by the centering piece, the overall dimension of the mold set is equal to that of the centering piece, installation is convenient, time is saved, and high-precision centering operation is realized.
Description
Technical Field
The invention belongs to the technical field of section bar processing instruments, and particularly relates to a centering and cold material pushing method of an aluminum alloy section bar extruder die holder.
Background
In the process of extruding the aluminum alloy section, the situation of material blockage can occur, and in order to avoid the situation, qualified aluminum alloy sections are extruded, and the extrusion die needs to be installed in place. Otherwise, when the position of the extrusion die is not installed in place, the aluminum bar is difficult to extrude during extrusion, the extrusion difficulty is increased, unqualified aluminum alloy sections can be generated, and the situation of material blockage even can be generated seriously, namely, the aluminum bar is blocked in the extrusion cylinder, so that equipment damage can be caused. Therefore, the extruder operator is required to accurately adjust the extrusion die to the proper position by adjusting the position of the die holder.
The existing method is to put the cold extrusion die into the die holder, because the outer contour of the extrusion die is larger than the central hole of the extruder, the outer contour of the extrusion die can not be observed in the direction of the extrusion cylinder, and the observation of the extrusion die from the outlet position blocks the observation sight, so when the position of the die holder of the extruder is finely adjusted, the observation is generally carried out in the direction of the extrusion cylinder, but whether the working band of the extrusion die is aligned with the central hole of the extrusion cylinder can not be accurately confirmed. Only whether the feeding hole of the extrusion die is approximately aligned with the central hole of the extrusion container can be seen, and then the extrusion die heated to a certain temperature is replaced to start the test machine until the aluminum alloy section bar is normally extruded.
The existing method for adjusting the centering position of the die holder of the extruding machine has the possibility of various problems caused by the fact that the extruding die is not installed in place, then the position of the extruding die needs to be adjusted again, and the operation steps are repeated to adjust the position of the die holder. Not only production time is delayed, work efficiency is seriously influenced, but also yield is influenced, production cost including raw materials is wasted, equipment can be damaged more seriously, and loss is larger.
Aiming at the problems, a centering and cold material pushing method of an aluminum alloy section extruder die holder is provided to solve the problems.
Disclosure of Invention
The invention aims to provide a centering and cold material pushing method of an aluminum alloy section extruder die holder.
In order to achieve the purpose, the invention adopts the technical scheme that:
a centering method of an aluminum alloy profile extruder die holder comprises the following steps:
providing a die holder, wherein the die holder is hollow and provided with an accommodating cavity, a centering piece is coaxially embedded in the accommodating cavity, and the centering piece is hollow and provided with a centering cavity;
providing an extrusion container, wherein the extrusion container is hollow and provided with an extrusion cavity;
the die holder is provided with a fine adjustment piece along the periphery, and during use, the die holder is finely adjusted by the fine adjustment piece to make the middle cavity and the extrusion cavity be in a coaxial arrangement state, and further the centering function of the extruder is completed.
Further, it is coaxial to middle section, changeover portion, parallel section to set gradually to the middle section to the cavity, the internal diameter to the middle section equals the internal diameter in extrusion chamber, the cross-sectional area of changeover portion is along keeping away from the direction to the middle section reduces gradually, wherein, when centering power consumption, to the middle section with extrusion chamber intercommunication, just to the middle section with extrusion chamber coaxial arrangement.
Further, an end of the parallel section remote from the transition section is open to form a first mid-pair viewing port through which a mid-pair condition can be observed.
Further, one end of the extrusion cavity, which is far away from the die holder, is opened to form a second centering observation port for observing the centering condition.
Further, the fine adjustment piece is a fine-toothed fine adjustment bolt.
Further, the fine adjustment pieces are at least four.
Further, the method also comprises the step of taking the centering piece out of the containing cavity after centering, and embedding a die set in the containing cavity.
Furthermore, the die set comprises a die sleeve, an extrusion die and a die pad, one end of the die pad is abutted against the cavity bottom of the accommodating cavity, the other end of the die pad is abutted against the die sleeve, and the extrusion die is arranged in the die sleeve.
Further, the external dimension of the die set is equal to the external dimension of the centering member.
The invention also provides a cold material pushing method of the die holder of the aluminum alloy section extruder, which is based on the centering method of the die holder of the aluminum alloy section extruder for pushing out the cold material.
Compared with the prior art, the centering method has the advantages that firstly, a mold group for centering by cooling is replaced by a centering piece, the overall dimension of the mold group is equal to that of the centering piece, so that the centering method is convenient to mount, saves time and realizes high-precision centering operation;
secondly, after the die set is replaced, the test machine can be started, and the extrusion die is accurately positioned without repeatedly adjusting the positioning of the extrusion die, so that the aims of quickly testing the machine, reducing the downtime, improving the working efficiency, saving the production cost of raw materials and the like are fulfilled.
And thirdly, the centering piece can also quickly solve the problem of material blockage, further reduce the downtime, lighten or die the damage of equipment, improve the working efficiency and save the production cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 the drawings without creative efforts.
FIG. 1 is a schematic structural view of a centering member during installation in a centering method of an aluminum alloy profile extruder die holder according to an embodiment of the invention;
FIG. 2 is a schematic structural view of a die set during installation in a centering method for a die holder of an aluminum alloy profile extruder according to an embodiment of the present invention;
FIG. 3 is a schematic view of the direction A of FIG. 1 illustrating a method for centering an aluminum alloy profile extruder die holder according to an embodiment of the present invention;
FIG. 4 is a schematic view of the die holder of the aluminum alloy profile extruder shown in FIG. 1 in the direction B in a centering method according to one embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a centering member in the centering method of the die holder of the aluminum alloy profile extruder according to one embodiment of the invention.
FIG. 6 is a side view of FIG. 5 in a method of centering an aluminum alloy profile extruder die holder, according to one embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a centering member for pushing out a cold material in a cold material pushing method of an aluminum alloy profile extruder die holder according to an embodiment of the invention.
Reference numerals and component parts description referred to in the drawings:
1-an extrusion cylinder; 11-an extrusion chamber; 111-a second mid-pair viewport; 2-a die holder; 3-centering piece; 31-pair of middle sections; 32-a transition section; 33-parallel segments; 331-first mid-pair viewport; 4-a fine-tuning piece; 5-aluminum bar; 6-extruding a rod; 7-die sleeve; 8-extruding the die; 9-die cushion.
Detailed Description
The technical solution of the present invention will be clearly and completely described by the following detailed description. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Before the extrusion operation of the extruder, the centering position of the central holes of the extrusion die 8 and the extrusion container 1 is adjusted, so that the problems that the aluminum bar 5 is blocked in the extrusion process, the equipment is possibly damaged or the machine is stopped for a long time and the like can be avoided, the loss is reduced, the working efficiency is improved, and the production cost including the equipment maintenance cost, the raw material use cost and the like is saved.
Referring to fig. 1, 3 and 4, a centering method of an aluminum alloy profile extruder die holder includes the following steps:
providing a die holder 2, wherein the die holder 2 is hollow and provided with an accommodating cavity, a centering piece 3 is coaxially embedded in the accommodating cavity, and the centering piece 3 is hollow and provided with a centering cavity;
providing an extrusion container 1, wherein an extrusion cavity 11 is formed in the hollow extrusion container 1;
wherein, to the internal diameter of lumen equal to the internal diameter in extrusion chamber 11, die holder 2 is provided with fine setting 4 along the periphery, and during the use, die holder 2 carries out the fine setting position through fine setting 4 to make to be the situation of coaxial arrangement with extrusion chamber 11 to the lumen, and then accomplish the centering function of extruder.
Referring to fig. 2, the method further includes the step of taking out the centering member 3 from the accommodating cavity after the centering function, and embedding a mold set in the accommodating cavity, specifically, the mold set includes a mold sleeve 7, an extrusion mold 8, and a mold pad 9, one end of the mold pad 9 abuts against the cavity bottom of the accommodating cavity, the other end of the mold pad 9 abuts against the mold sleeve 7, and the extrusion mold 8 is disposed in the mold sleeve 7. After the die set is replaced, the test machine can be started, and the extrusion die 8 is accurately positioned without repeatedly adjusting the positioning of the extrusion die 8, so that the aims of quickly testing the machine, reducing the downtime, improving the working efficiency and saving the production cost of raw materials and the like are fulfilled.
According to the centering method, the mold set for centering in cooling is replaced by the centering piece 3, the overall dimension of the mold set is equal to that of the centering piece 3, installation is convenient, time is saved, and high-precision centering operation is realized.
Referring to fig. 5 and 6, specifically, the centering cavity is sequentially and coaxially provided with a centering section 31, a transition section 32 and a parallel section 33, the inner diameter of the centering cavity is equal to the inner diameter of the extrusion cavity 11, the inner diameter of the centering cavity is also equal to the range of the working zone of the extrusion die 8, and the cross-sectional area of the transition section 32 is gradually reduced along the direction away from the centering section 31, wherein when the centering cavity is used, the centering section 31 is communicated with the extrusion cavity 11, the centering section 31 and the extrusion cavity 11 are coaxially arranged, and the centering cavity adopts the three-section design mode, so that the good guiding and positioning effects on the cold material of the aluminum bar 5 can be realized when the cold material is pushed out.
Further, the end of the parallel section 33 remote from the transition section 32 is open to form a first centering viewing port 331 for viewing centering; one end of the extrusion cavity 11, which is far away from the die holder 2, is opened to form a second centering observation port 111 for observing the centering condition, and when the centering work is performed, the centering observation can be performed through the first centering observation port 331 or the second centering observation port, so that the convenience in centering observation is improved.
Preferably, the fine adjustment part 4 is a fine-toothed fine adjustment bolt, the fine adjustment part 4 is provided with at least four fine adjustment bolts, so that fine adjustment in a small range can be conveniently realized in the process of adjusting the die holder 2, the position of the extrusion die 8 can only be adjusted because the position of the extrusion cavity 11 in the extrusion cylinder 1 is not adjustable, the four adjustment bolts are arranged outside the die holder 2, the position of the extrusion die 8 is indirectly adjusted by adjusting the position of the die holder 2 through the fine adjustment bolts, and specifically, the centering section 31 and the extrusion cavity 11 are coaxially arranged by observing through the first centering observation port 331 or the second centering observation port 111, so that the position of the extrusion die 8 is indirectly and quickly and accurately positioned, and the extrusion die 8 of the extrusion cylinder 1 is centered.
Referring to fig. 1 and 7, the invention also provides a cold material pushing method of an aluminum alloy profile extruder die holder, which is based on a centering method of the aluminum alloy profile extruder die holder to push out cold material, during the operation of the extruder, extruder fault shutdown caused by various reasons can occur, the temperature of an extrusion cylinder 1 is between 380 ℃ and 420 ℃ in a normal operation state, and an extruded aluminum bar 5 is discharged from a heating furnace of the aluminum bar 5 at the moment and the temperature of the sheared aluminum bar 5 is between 450 ℃ and 480 ℃, the temperature of the cold bar is about 400 ℃ and then enters the extrusion cylinder 1, at the moment, if the extruder is stopped due to the fault caused by various reasons, the aluminum bar 5 can not be kept warm in the extrusion cylinder 1 for a long time, when the shutdown time of the extruder exceeds about 10 minutes, both the extrusion cylinder 1 and the aluminum bar 5 can be cooled, so that the temperature condition of continuous extrusion can not be achieved, and the extruded aluminum bar 5 is blocked in the extrusion cylinder 1 through expansion deformation, and because the distance between the extrusion cylinder 1 and the die holder 2 is small, the distance cannot extrude the cooled aluminum bar 5, and the cooled aluminum bar 5 can only be extruded from the first pair of middle observation ports 331, when the aluminum bar 5 in the extrusion cavity 11 is in a cooling state, the die set in the accommodating cavity is detached, the centering member 3 is embedded in the accommodating cavity, and the aluminum bar 5 is pushed by the extrusion rod 6 which slides in the extrusion cavity 11 in a reciprocating manner, so that the aluminum bar 5 is pushed out of the die holder 2 through the first pair of middle observation ports 331. Centering piece 3 this moment plays the problem of solving the putty fast, reduces down time, and less equipment damage promotes work efficiency, has practiced thrift manufacturing cost's purpose.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A centering method of an aluminum alloy profile extruder die holder is characterized by comprising the following steps:
providing a die holder, wherein the die holder is hollow and provided with an accommodating cavity, a centering piece is coaxially embedded in the accommodating cavity, and the centering piece is hollow and provided with a centering cavity;
providing an extrusion container, wherein the extrusion container is hollow and provided with an extrusion cavity;
the die holder is provided with a fine adjustment piece along the periphery, and during use, the die holder is finely adjusted by the fine adjustment piece to make the middle cavity and the extrusion cavity be in a coaxial arrangement state, and further the centering function of the extruder is completed.
2. The die holder centering method for the aluminum alloy profile extruding machine, according to claim 1, wherein the centering cavity is sequentially and coaxially provided with a centering section, a transition section and a parallel section, the inner diameter of the centering section is equal to that of the extruding cavity, the cross-sectional area of the transition section is gradually reduced along the direction far away from the centering section, wherein when the centering work is used, the centering section is communicated with the extruding cavity, and the centering section is coaxially arranged with the extruding cavity.
3. The method of centering an aluminum alloy profile extruder die holder of claim 2, wherein an end of said parallel section distal from said transition section is open to form a first centering sight for observing centering.
4. The method of claim 1, wherein the end of the extrusion chamber remote from the die holder is open to form a second centering sight for observing centering.
5. The method of centering an aluminum alloy profile extruder die holder of claim 1, wherein the trim element is a fine-pitch trim bolt.
6. The method of claim 1, wherein at least four of the trim elements are provided.
7. The die holder centering method for aluminum alloy profile extruders of claim 1, further comprising the step of removing the centering member from the receiving cavity after centering and inserting the die set into the receiving cavity.
8. The die holder centering method for the aluminum alloy profile extruder as claimed in claim 7, wherein the die set comprises a die sleeve, an extrusion die and a die pad, one end of the die pad abuts against the bottom of the accommodating cavity, the other end of the die pad abuts against the die sleeve, and the extrusion die is arranged in the die sleeve.
9. The method of claim 7, wherein the die set has a physical dimension equal to a physical dimension of the centering member.
10. A cold material pushing method of an aluminum alloy profile extruder die holder, characterized in that the cold material pushing is performed based on the centering method of the aluminum alloy profile extruder die holder as claimed in any one of claims 1 to 9, and the method comprises the steps of embedding the centering member in the accommodating cavity when an aluminum bar in the extrusion cavity is in a cold material state, connecting an extrusion rod in the extrusion cavity in a reciprocating sliding manner, and pushing the aluminum bar by the extrusion rod so that the aluminum bar is pushed out of the die holder through the first centering observation port.
Priority Applications (1)
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CN202210080100.4A CN114160595B (en) | 2022-01-24 | 2022-01-24 | Centering and cold material pushing method of die holder of aluminum alloy section extruder |
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CN202210080100.4A CN114160595B (en) | 2022-01-24 | 2022-01-24 | Centering and cold material pushing method of die holder of aluminum alloy section extruder |
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CN114160595A true CN114160595A (en) | 2022-03-11 |
CN114160595B CN114160595B (en) | 2023-12-22 |
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Citations (10)
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---|---|---|---|---|
EP0180571A2 (en) * | 1984-09-11 | 1986-05-07 | Erwin Hartl | Extrusion die arrangement and automatic centering extrusion method |
GB9625119D0 (en) * | 1996-12-03 | 1997-01-22 | Chen Wu H | Aluminum extruding machine |
JP2000334515A (en) * | 1999-05-24 | 2000-12-05 | Ube Ind Ltd | Extruding machine |
JP2000343116A (en) * | 1999-06-07 | 2000-12-12 | Furukawa Electric Co Ltd:The | Container cleaning method of indirect extrusion press machine and, indirect extrusion press machine to be used for it |
CN201283373Y (en) * | 2008-11-03 | 2009-08-05 | 襄阳丰正汽车配件制造有限公司 | Die stand |
CN202238994U (en) * | 2011-10-14 | 2012-05-30 | 太原重工股份有限公司 | Rapid alignment detection device of extruding machine |
JP2013237092A (en) * | 2012-05-17 | 2013-11-28 | Ube Machinery Corporation Ltd | Extrusion press |
CN206763625U (en) * | 2017-05-03 | 2017-12-19 | 太重(天津)滨海重型机械有限公司 | A kind of sleeve of horizontal extruder clear away waste |
CN111295250A (en) * | 2017-07-14 | 2020-06-16 | 伊辛诺法有限公司 | Method for cleaning extrusion dies |
CN211360126U (en) * | 2019-12-31 | 2020-08-28 | 仪征海天铝业有限公司 | Residual stub bar ejection device of aluminum bar forming die |
-
2022
- 2022-01-24 CN CN202210080100.4A patent/CN114160595B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0180571A2 (en) * | 1984-09-11 | 1986-05-07 | Erwin Hartl | Extrusion die arrangement and automatic centering extrusion method |
GB9625119D0 (en) * | 1996-12-03 | 1997-01-22 | Chen Wu H | Aluminum extruding machine |
JP2000334515A (en) * | 1999-05-24 | 2000-12-05 | Ube Ind Ltd | Extruding machine |
JP2000343116A (en) * | 1999-06-07 | 2000-12-12 | Furukawa Electric Co Ltd:The | Container cleaning method of indirect extrusion press machine and, indirect extrusion press machine to be used for it |
CN201283373Y (en) * | 2008-11-03 | 2009-08-05 | 襄阳丰正汽车配件制造有限公司 | Die stand |
CN202238994U (en) * | 2011-10-14 | 2012-05-30 | 太原重工股份有限公司 | Rapid alignment detection device of extruding machine |
JP2013237092A (en) * | 2012-05-17 | 2013-11-28 | Ube Machinery Corporation Ltd | Extrusion press |
CN206763625U (en) * | 2017-05-03 | 2017-12-19 | 太重(天津)滨海重型机械有限公司 | A kind of sleeve of horizontal extruder clear away waste |
CN111295250A (en) * | 2017-07-14 | 2020-06-16 | 伊辛诺法有限公司 | Method for cleaning extrusion dies |
CN211360126U (en) * | 2019-12-31 | 2020-08-28 | 仪征海天铝业有限公司 | Residual stub bar ejection device of aluminum bar forming die |
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