CN114309113A - Extrusion needle for aluminum alloy seamless tube extruder and online heating method thereof - Google Patents
Extrusion needle for aluminum alloy seamless tube extruder and online heating method thereof Download PDFInfo
- Publication number
- CN114309113A CN114309113A CN202111503946.6A CN202111503946A CN114309113A CN 114309113 A CN114309113 A CN 114309113A CN 202111503946 A CN202111503946 A CN 202111503946A CN 114309113 A CN114309113 A CN 114309113A
- Authority
- CN
- China
- Prior art keywords
- extrusion
- needle
- temperature
- heating
- aluminum alloy
- 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
Links
Images
Landscapes
- Extrusion Of Metal (AREA)
Abstract
The utility model provides an aluminum alloy seamless pipe is extrusion needle and online heating method for extruder, relates to hot extrusion manufacturing technical field, has solved the problem that the extrusion needle preheats the difficulty, includes: the heating device comprises an extrusion needle, a heating rod fixing device, a heating rod, a temperature measuring device and a control cabinet, wherein the extrusion needle is provided with a heating mounting hole, the heating rod is arranged in the heating mounting hole through the heating rod fixing device, the heating rod is connected with the control cabinet through a circuit, the needle head of the extrusion needle is provided with a temperature measuring mounting hole, the temperature measuring device is arranged in the temperature measuring mounting hole, and a lead of the temperature measuring device is connected with the control cabinet; the temperature of the extrusion needle is increased by online heating; the temperature is controlled through the control cabinet, and the temperature of the extrusion needle is accurately controlled; different heating powers are adopted for the extrusion needles with different diameters; when the seamless pipe is produced by the extruder, the extrusion needle is directly heated by the heating device, so that the extrusion needle is rapidly heated to the required production temperature, the non-extrusion time is reduced, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of hot extrusion manufacturing, in particular to an extrusion needle for an aluminum alloy seamless tube extruder and an online heating method thereof.
Background
The seamless pipe is formed by punching and extruding the whole round metal and has no welding seam on the surface. The extruder is a device which heats metal to a certain temperature and carries out pressure processing by utilizing the principle of metal plastic forming. An extrusion pin is an extrusion tool that perforates an ingot during extrusion and determines the size of the internal bore of a hollow extruded article.
The extrusion needle is heated in the extrusion needle heating furnace before being installed, but after the extrusion needle is installed on the extruder, the temperature of the extrusion needle is basically between 200 ℃ and 250 ℃, and the distance from the production required temperature of 350 ℃ and 370 ℃ is between 100 ℃ and 150 ℃. In order to raise the temperature of the extrusion needle to the production temperature, the extrusion needle is preheated in the extrusion cylinder in the early stage, the extrusion needle is heated to the temperature by the temperature heat conduction of the extrusion cylinder, the time required by the method is basically more than 12 hours and cannot reach more than 350 ℃, and the temperature of the extrusion needle is basically raised to the normal temperature by the dummy ingot through extrusion. When the needle head is replaced in the extrusion process, the extrusion needle needs to be cooled in the air for a long time, the temperature of the needle can be reduced to between 200 ℃ and 250 ℃, and the extrusion needle also needs to be heated and then extruded.
Disclosure of Invention
Aiming at the problem of difficulty in preheating of the extrusion needle in the prior art, the invention provides the extrusion needle for the aluminum alloy seamless tube extruder and the online heating method thereof, so that the extrusion needle is quickly heated to the temperature required by production, the non-extrusion time is reduced, and the production efficiency is improved.
In a first aspect, the present invention provides an extrusion pin for an aluminum alloy seamless tube extruder, comprising: the heating rod is arranged in the heating mounting hole through the heating rod fixing device, the heating rod is connected with the control cabinet through a circuit, the temperature measuring mounting hole is formed in the needle head of the extruding needle, the temperature measuring device is arranged in the temperature measuring mounting hole, and a lead of the temperature measuring device is connected with the control cabinet.
Further, the temperature measuring device is provided as a thermocouple.
Furthermore, the lead of the temperature measuring device is a high temperature resistant soft wire.
Further, the control cabinet comprises a heating system control device controlled by PLC programming.
Further, the length dimension of the heating installation hole is set to be 40mm-120 mm.
Furthermore, the heating rod comprises three 1KW-3KW heating single rods which are connected through a connecting wire, and the total power of the heating rod is less than 10 KW.
Furthermore, the connecting wire is the formula connecting wire of inserting soon, improves the efficiency of cable plug.
Further, the diameter of the heating rod was 30 mm.
In a second aspect, the present invention provides an online heating method for an extrusion pin for an aluminum alloy seamless tube extruder, comprising the steps of:
1) the extrusion needle is arranged on an extruder and is connected with the heating rod and the temperature measuring device through a connecting wire;
2) determining the temperature of the extrusion needle to be heated according to production requirements, and setting the temperature on a control cabinet;
3) after the extrusion needle is positioned in the extrusion cylinder, the control cabinet is powered on, and the extrusion needle starts to heat;
4) the temperature of the extrusion needle is controlled by the control cabinet, so that the extrusion needle is quickly heated to the required temperature and is kept warm at the temperature.
Further, the control cabinet controls the temperature of the extrusion needle by the temperature feedback of the temperature measuring device on the extrusion needle, and the temperature control precision is +/-5 ℃.
The invention has the beneficial effects that: the temperature of the extrusion needle is increased by online heating; the temperature is controlled through the control cabinet, and the temperature of the extrusion needle is accurately controlled; different heating powers are adopted for the extrusion needles with different diameters; when the seamless pipe is produced by the extruder, the extrusion needle is directly heated by the heating device, so that the extrusion needle is rapidly heated to the required production temperature, the non-extrusion time is reduced, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic view of the structure of an extrusion needle.
In the figure, 1-extrusion needle, 2-heating rod fixing device, 3-heating rod, 4-quick plug-in type wiring, 5-thermocouple and 6-control cabinet.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. 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.
Examples
An extrusion needle for an aluminum alloy seamless tube extruder, comprising: extrusion needle 1, heating rod fixing device 2, heating rod 3, even insert formula wiring 4 soon, thermocouple 5 and switch board 6, processing heating system mounting hole on the extrusion needle 1, mounting hole length dimension is 60mm, be used for installing heating rod fixing device 2, heating rod 3 includes three heating list stick, the connection adopts the formula connecting wire 4 of inserting soon, the efficiency of improvement cable plug, the heating list stick diameter is 30mm, list heating rod power is 1KW-3KW, total heating power control is within 10KW, processing thermoscope hole on the extrusion needle 1, be used for installing thermocouple 5, wherein the lead-out wire adopts resistant high temperature patchcord more than 500 ℃, lug connection is in switch board 6.
The online heating method of the extrusion needle for the aluminum alloy seamless tube extruder is characterized in that after the extrusion needle 1 is installed in place, a heating rod 3 is connected through a fast-inserting type connecting wire 4, and a thermocouple 5 is connected through a high-temperature-resistant flexible wire; determining the temperature of the extrusion needle 1 to be heated according to production requirements, and setting the temperature on a control cabinet 6; the extrusion needle 1 is positioned in the extrusion cylinder, the control cabinet 6 is powered on, the extrusion needle 1 starts to be heated, the temperature of the extrusion needle is controlled by the PLC programming of the control cabinet 6 at the moment, the extrusion needle is rapidly heated to the required temperature, the temperature is kept at the required temperature, and the temperature is accurately controlled, wherein the temperature control precision is +/-5 ℃.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention.
Claims (10)
1. The utility model provides an aluminum alloy seamless pipe extrusion machine extrusion needle which characterized in that includes: the heating rod is arranged in the heating mounting hole through the heating rod fixing device, the heating rod is connected with the control cabinet through a circuit, the temperature measuring mounting hole is formed in the needle head of the extruding needle, the temperature measuring device is arranged in the temperature measuring mounting hole, and a lead of the temperature measuring device is connected with the control cabinet.
2. The extrusion pin for an aluminum alloy seamless tube extrusion press according to claim 1, wherein the temperature measuring device is provided as a thermocouple.
3. The extrusion pin for an aluminum alloy seamless tube extruder according to claim 1, wherein a lead wire of the temperature measuring device is a high temperature resistant soft wire.
4. The extrusion pin for an aluminum alloy seamless tube extrusion press according to claim 1, wherein the control cabinet includes a heating system control device programmed by a PLC.
5. The extrusion pin for an aluminum alloy seamless tube extrusion press according to claim 1, wherein the length dimension of the heating installation hole is set to 40mm to 120 mm.
6. The extrusion needle for an aluminum alloy seamless tube extruder according to claim 1, wherein the heating rod includes three 1KW to 3KW heating single rods, the three heating single rods are connected by a connecting wire, and the total power of the heating rod is less than 10 KW.
7. The extrusion pin for an aluminum alloy seamless tube extruder according to claim 6, wherein the connection line is a quick-insertion connection line.
8. The extrusion pin for an aluminum alloy seamless tube extrusion press according to claim 6, wherein the diameter of the heated single bar is 30 mm.
9. An on-line heating method of the extrusion pin for an aluminum alloy seamless tube extrusion press according to claim 1, characterized by comprising the steps of:
1) the extrusion needle is arranged on an extruder and is connected with the heating rod and the temperature measuring device through a connecting wire;
2) determining the temperature of the extrusion needle to be heated according to production requirements, and setting the temperature on a control cabinet;
3) after the extrusion needle is positioned in the extrusion cylinder, the control cabinet is powered on, and the extrusion needle starts to heat;
4) the temperature of the extrusion needle is controlled by the control cabinet, so that the extrusion needle is quickly heated to the required temperature and is kept warm at the temperature.
10. The online heating method of the extrusion needle for the aluminum alloy seamless tube extruder according to claim 9, wherein the temperature of the extrusion needle is controlled by the control cabinet with the temperature control accuracy of ± 5 ℃ by the temperature feedback of the temperature measuring device on the extrusion needle head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111503946.6A CN114309113A (en) | 2021-12-09 | 2021-12-09 | Extrusion needle for aluminum alloy seamless tube extruder and online heating method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111503946.6A CN114309113A (en) | 2021-12-09 | 2021-12-09 | Extrusion needle for aluminum alloy seamless tube extruder and online heating method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114309113A true CN114309113A (en) | 2022-04-12 |
Family
ID=81050197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111503946.6A Pending CN114309113A (en) | 2021-12-09 | 2021-12-09 | Extrusion needle for aluminum alloy seamless tube extruder and online heating method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114309113A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077509A (en) * | 2007-07-27 | 2007-11-28 | 西南铝业（集团）有限责任公司 | Squeezing needle circulating wind heater |
| CN102319761A (en) * | 2011-09-26 | 2012-01-18 | 西南铝业（集团）有限责任公司 | Heating method and heating device for extrusion needle |
| CN207204881U (en) * | 2017-09-16 | 2018-04-10 | 天津泰鼎晟业传动技术发展有限公司 | A kind of extruding grinding tool of aluminium alloy seamless pipe |
-
2021
- 2021-12-09 CN CN202111503946.6A patent/CN114309113A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101077509A (en) * | 2007-07-27 | 2007-11-28 | 西南铝业（集团）有限责任公司 | Squeezing needle circulating wind heater |
| CN102319761A (en) * | 2011-09-26 | 2012-01-18 | 西南铝业（集团）有限责任公司 | Heating method and heating device for extrusion needle |
| CN207204881U (en) * | 2017-09-16 | 2018-04-10 | 天津泰鼎晟业传动技术发展有限公司 | A kind of extruding grinding tool of aluminium alloy seamless pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107470434A (en) | The device and method stamping for metastable state austenitic stainless steel end socket temperature | |
| CN101695203A (en) | Automatic composition manufacture method of electric heating tube | |
| CN114309113A (en) | Extrusion needle for aluminum alloy seamless tube extruder and online heating method thereof | |
| CN201049357Y (en) | Copper alloy continuous extrusion device | |
| CN101229676A (en) | Equipment of induction type heating mould | |
| CN211256494U (en) | Paper pulp molding die constant temperature coil heating device and forming die and equipment thereof | |
| CN104122912A (en) | Medium frequency induction heating intelligent constant temperature system for pipe expanding machine set | |
| CN209363308U (en) | A kind of general hot-extrusion mold heating integrated system | |
| CN102000801A (en) | Temperature control device for magnesium alloy wheel low-pressure casting mold | |
| CN114273475B (en) | Three-dimensional free forming device and method based on current-assisted heating | |
| CN107335688B (en) | Aluminum profile extrusion die capable of being electrically heated in extrusion process | |
| CN211891902U (en) | Stable temperature control heating device of extruder | |
| CN103624098B (en) | A kind of electro plasticity tube extrusion shaped device | |
| CN203155747U (en) | Heating furnace | |
| NO321211B1 (en) | Apparatus and method for producing carbonated article | |
| CN104416142A (en) | Magnesium alloy die-casting mold and electric heating method thereof | |
| CN202936299U (en) | Air hose device matched with molding kiln for producing glass plate by overflow method | |
| CN209775326U (en) | heating pipe for core mold of precoated sand mold | |
| CN105834391A (en) | Die-casting machine feeding barrel heating device | |
| CN205313370U (en) | Curved device of glass heat | |
| CN201020848Y (en) | Plastic inspection well pedal welding device | |
| CN211256495U (en) | Paper pulp molding product mold heating device and forming mold and equipment thereof | |
| CN202207764U (en) | Before-forging constant-temperature heating furnace for valve | |
| CN205140602U (en) | Extruder and conductor heating mechanism thereof | |
| CN206244648U (en) | A kind of all-electric melting furnace for producing basalt continuous fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |