CN113083922A - Induction heating auxiliary drawing device for preparing capillary tube - Google Patents
Induction heating auxiliary drawing device for preparing capillary tube Download PDFInfo
- Publication number
- CN113083922A CN113083922A CN202110302599.4A CN202110302599A CN113083922A CN 113083922 A CN113083922 A CN 113083922A CN 202110302599 A CN202110302599 A CN 202110302599A CN 113083922 A CN113083922 A CN 113083922A
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- CN
- China
- Prior art keywords
- induction heating
- capillary tube
- shaft hole
- drawing die
- die
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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
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
- B21C1/22—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes specially adapted for making tubular articles
-
- 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
- B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
- B21C3/02—Dies; Selection of material therefor; Cleaning thereof
-
- 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
- B21C9/00—Cooling, heating or lubricating drawing material
Abstract
The invention discloses an induction heating auxiliary drawing device for preparing a capillary tube, which comprises an induction heating device, a drawing die, a vibration generator and a cooler, wherein the induction heating auxiliary drawing device comprises a heating coil, a cooling coil and a heating coil; the drawing die is provided with a shaft hole for the capillary tube to pass through before drawing; the induction heating device is arranged on one side of the shaft hole, and the vibration generator is arranged on the outer surface of the drawing die; the cooler is arranged on the other side of the shaft hole relative to the induction heating device, and the induction heating device, the drawing die and the cooler are coaxially and oppositely arranged. According to the embodiment of the invention, the deformation temperature of the pipe is raised through the induction heating device, and the plasticity of the pipe is increased, so that the pass deformation is increased finally and the drawing pass is reduced; meanwhile, the die is vibrated by the ultrasonic vibration device, the friction condition is improved, the drawing force is reduced, the pass deformation can be increased and the drawing pass can be reduced finally, and the large-deformation drawing of the capillary tube is realized by the multi-energy-field combined auxiliary drawing device.
Description
Technical Field
The invention relates to the field of capillary tube preparation, in particular to an induction heating auxiliary drawing device for preparing a capillary tube.
Background
A capillary tube with the outer diameter of less than 3.0mm and the wall thickness of less than 0.80mm has wide and irreplaceable functions in the fields of military industry, medical treatment, photoelectricity and the like. Compared with rolling and extrusion, the drawing process is the most suitable production process for preparing the capillary tube. However, the total deformation amount during drawing from the tube blank to the capillary is nearly hundreds of times. When the traditional drawing process faces such large deformation, a large number of drawing passes and intermediate annealing processes are needed, and the production efficiency is seriously influenced. Therefore, a new drawing apparatus needs to be designed to improve production efficiency.
At present, some techniques have proposed to improve the drawing efficiency by using induction heating drawing. The influence of ultrasonic vibration on the room-temperature plastic deformation process of AZ31 magnesium alloy proposes that the drawing efficiency is improved by adopting a vibration drawing mode. However, the current methods for improving the drawing efficiency are all added with a single auxiliary field, and the limit of improving the efficiency is limited. Based on the above problems, in order to greatly improve the production efficiency, it is urgently needed to design a multi-energy field combined auxiliary drawing process and device capable of preparing a capillary.
Disclosure of Invention
The present invention is directed to an induction heating assisted drawing apparatus for manufacturing a capillary tube, which solves the above problems of the related art.
In order to achieve the purpose, the invention provides the following technical scheme: an induction heating auxiliary drawing device for preparing a capillary tube comprises an induction heating device, a drawing die, a vibration generator and a cooler; the drawing die is provided with a shaft hole for the capillary tube to pass through before drawing; the induction heating device is arranged on one side of the shaft hole, and the vibration generator is arranged on the outer surface of the drawing die; the cooler is arranged on the other side of the shaft hole relative to the induction heating device, and the induction heating device, the drawing die and the cooler are coaxially and oppositely arranged.
Optionally, the drawing die further comprises a clamping device, and the clamping device is used for being connected with the traction device; the clamping device is arranged on the right side of the cooler, and the axis of the clamping device extends along the left-right direction.
Optionally, the drawing die further comprises a positioning mandrel, and the positioning mandrel penetrates through the shaft hole and is coaxially and oppositely arranged with the drawing die.
Optionally, the positioning core rod is a solid cylinder.
Optionally, the positioning core rod is made of artificial polycrystalline diamond, and the drawing die is made of stainless steel.
Optionally, the diameter of the opening at one end of the shaft hole is larger than the diameter of the opening at the other end of the shaft hole corresponding to the shaft hole.
Optionally, the vibration generator provides an ultrasonic vibration field parallel or perpendicular to the drawing direction of the capillary for the drawing die during the drawing forming process.
Compared with the prior art, the invention has the following advantages and effects:
according to the embodiment of the invention, an induction heating device and an ultrasonic vibration device are added on a traditional drawing device, the deformation temperature of the pipe is raised through the induction heating device, and the plasticity of the pipe is increased, so that the pass deformation is increased finally and the drawing passes are reduced; meanwhile, the die is vibrated by the ultrasonic vibration device, the friction condition is improved, the drawing force is reduced, the pass deformation can be increased and the drawing pass can be reduced finally, and the large-deformation drawing of the capillary tube is realized by the multi-energy-field combined auxiliary drawing device.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. an induction heating device; 2. drawing the die; 201. a shaft hole; 3. a vibration generator; 4. a cooler; 5. a clamping device; 6. positioning the core rod; 7. a pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Referring to fig. 1, the present invention provides a technical solution:
an induction heating auxiliary drawing device for preparing a capillary tube comprises an induction heating device 1, a drawing die 2, a vibration generator 3 and a cooler 4; the drawing die 2 is provided with a shaft hole 201 for allowing the capillary tube to pass through before drawing, and the opening diameter of one end of the shaft hole 201 is larger than that of the other end corresponding to the shaft hole 201; the induction heating device 1 is arranged on one side of the shaft hole 201, and the deformation temperature of the pipe is raised through the induction heating device 1, so that the plasticity of the pipe is increased, and the pass deformation is increased and the drawing pass is reduced finally; the vibration generator 3 is installed on the outer surface of the drawing die 2; the cooler 4 is disposed on the other side of the shaft hole 201 with respect to the induction heating device 1, and the induction heating device 1, the drawing die 2, and the cooler 4 are disposed coaxially and oppositely. The induction heating device 1, the drawing die 2, the vibration generator 3 and the cooler 4 are sequentially arranged to form a complete working flow, so that the drawing forming of the capillary tube is facilitated.
In the embodiment of the present invention, the drawing die 2 further includes a clamping device 5, and the clamping device 5 is used for being connected with a traction device; the clamping device 5 is arranged on the right side of the cooler 4, and the axis of the clamping device 5 extends along the left-right direction; the pipe 7 is fixed through the clamping device 5, and the traction device drives the clamping device 5 to enable the pipe 7 to move, process and form.
In the embodiment of the present invention, the drawing die 2 further includes a positioning core rod 6, the positioning core rod 6 passes through the shaft hole 201 and is coaxially disposed opposite to the drawing die 2, and the positioning core rod 6 is a solid cylinder; the positioning core rod 6 is sleeved in the pipe 7, so that deformation caused by extrusion is avoided.
In the embodiment of the invention, the vibration generator 3 provides an ultrasonic vibration field parallel or perpendicular to the drawing direction of the capillary tube for the drawing die 2 in the drawing forming process; the drawing die 2 vibrates, so that the friction condition is improved, the drawing force is reduced, and finally, the pass deformation can be increased and the drawing pass can be reduced.
In the embodiment of the invention, the positioning core rod 6 is made of artificial polycrystalline diamond, and the drawing die 2 is made of stainless steel; avoid the adhesion with tubular product 7, lead to the material loss.
When the pipe 7 is used, the pipe 7 is moved under the action of the traction mechanism; the pipe 7 first passes through the induction heating device 1, and the induction heating device 1 raises the pipe temperature. Then, passing through the drawing die 2, a vibration generator 3 is installed outside the drawing die 2, and the vibration generator 3 vibrates the die left and right and up and down. Finally, the tube is cooled by a cooler 4.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An induction heating auxiliary drawing device for preparing a capillary tube is characterized by comprising an induction heating device (1), a drawing die (2), a vibration generator (3) and a cooler (4); the drawing die (2) is provided with a shaft hole (201) for allowing the capillary tube to pass through before drawing; the induction heating device (1) is arranged on one side of the shaft hole (201), and the vibration generator (3) is arranged on the outer surface of the drawing die (2); the cooler (4) is arranged on the other side of the shaft hole (201) relative to the induction heating device (1), and the induction heating device (1), the drawing die (2) and the cooler (4) are coaxially and oppositely arranged.
2. The induction heating-assisted drawing apparatus for producing a capillary tube according to claim 1, wherein: the drawing die (2) further comprises a clamping device (5), and the clamping device (5) is used for being connected with a traction device; the clamping device (5) is arranged on the right side of the cooler (4), and the axis of the clamping device (5) extends along the left-right direction.
3. The induction heating-assisted drawing apparatus for producing a capillary tube according to claim 1, wherein: the drawing die (2) further comprises a positioning core rod (6), and the positioning core rod (6) penetrates through the shaft hole (201) and is coaxially and oppositely arranged with the drawing die (2).
4. The induction heating-assisted drawing apparatus for producing a capillary tube according to claim 1, wherein: the positioning core rod (6) is a solid cylinder.
5. The induction heating-assisted drawing apparatus for producing a capillary tube according to claim 3, wherein: the positioning core rod (6) is made of artificial polycrystalline diamond, and the drawing die (2) is made of stainless steel.
6. The induction heating-assisted drawing apparatus for producing a capillary tube according to claim 1, wherein: the opening diameter of one end of the shaft hole (201) is larger than that of the other end of the shaft hole (201).
7. The induction heating-assisted drawing apparatus for producing a capillary tube according to claim 1, wherein: the vibration generator (3) provides an ultrasonic vibration field which is parallel to or vertical to the drawing direction of the capillary tube for the drawing die (2) in the drawing forming process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110302599.4A CN113083922A (en) | 2021-03-22 | 2021-03-22 | Induction heating auxiliary drawing device for preparing capillary tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110302599.4A CN113083922A (en) | 2021-03-22 | 2021-03-22 | Induction heating auxiliary drawing device for preparing capillary tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113083922A true CN113083922A (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110302599.4A Pending CN113083922A (en) | 2021-03-22 | 2021-03-22 | Induction heating auxiliary drawing device for preparing capillary tube |
Country Status (1)
| Country | Link |
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| CN (1) | CN113083922A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011892A (en) * | 2021-10-29 | 2022-02-08 | 华中科技大学 | Temperature-speed-controllable ultrasonic vibration-assisted thin-wall capillary drawing forming device and method |
Citations (12)
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|---|---|---|---|---|
| US3342050A (en) * | 1965-05-26 | 1967-09-19 | Bell Telephone Labor Inc | Ultrasonic wire drawing |
| JPS53131264A (en) * | 1976-09-16 | 1978-11-15 | Langenecker Versuchsanst | Stretching of wire * rod * pipe and like by stretching nozzle using macro sound |
| JPH0342110A (en) * | 1989-07-07 | 1991-02-22 | Nkk Corp | Method for ultrasonic drawing pipe |
| JPH0592207A (en) * | 1991-03-06 | 1993-04-16 | Mitsubishi Materials Corp | Internal/external working device for metallic tube |
| JPH11319934A (en) * | 1998-05-20 | 1999-11-24 | Furukawa Electric Co Ltd:The | Manufacture of and device for interior grooved tube |
| JP2003053416A (en) * | 2001-08-20 | 2003-02-26 | Masao Murakawa | Method and device for manufacturing extra fine wire and extra fine wire |
| JP2005059090A (en) * | 2003-08-20 | 2005-03-10 | Takemasa:Kk | Die holder, and ultrasonic drawing device |
| CN102133582A (en) * | 2011-05-04 | 2011-07-27 | 北京科技大学 | Mold/non-mode combined pulling process and device |
| KR20130059056A (en) * | 2011-11-28 | 2013-06-05 | 한국생산기술연구원 | Metal extrusion apparatus using ultrasonic vibration |
| CN105209189A (en) * | 2013-11-20 | 2015-12-30 | 丹尼尔和科菲森梅克尼齐有限公司 | Drawing machine for drawing tubes and its method of use |
| CN107685083A (en) * | 2017-09-17 | 2018-02-13 | 浙江毅美材料有限公司 | A kind of equipment for cooling die of water tank drawbench |
| CN110227728A (en) * | 2019-06-14 | 2019-09-13 | 北京航空航天大学 | A kind of tubular property regulation device of ultrasonic vibration assisted with high-temperature alloy thin-wall capillary |
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2021
- 2021-03-22 CN CN202110302599.4A patent/CN113083922A/en active Pending
Patent Citations (12)
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|---|---|---|---|---|
| US3342050A (en) * | 1965-05-26 | 1967-09-19 | Bell Telephone Labor Inc | Ultrasonic wire drawing |
| JPS53131264A (en) * | 1976-09-16 | 1978-11-15 | Langenecker Versuchsanst | Stretching of wire * rod * pipe and like by stretching nozzle using macro sound |
| JPH0342110A (en) * | 1989-07-07 | 1991-02-22 | Nkk Corp | Method for ultrasonic drawing pipe |
| JPH0592207A (en) * | 1991-03-06 | 1993-04-16 | Mitsubishi Materials Corp | Internal/external working device for metallic tube |
| JPH11319934A (en) * | 1998-05-20 | 1999-11-24 | Furukawa Electric Co Ltd:The | Manufacture of and device for interior grooved tube |
| JP2003053416A (en) * | 2001-08-20 | 2003-02-26 | Masao Murakawa | Method and device for manufacturing extra fine wire and extra fine wire |
| JP2005059090A (en) * | 2003-08-20 | 2005-03-10 | Takemasa:Kk | Die holder, and ultrasonic drawing device |
| CN102133582A (en) * | 2011-05-04 | 2011-07-27 | 北京科技大学 | Mold/non-mode combined pulling process and device |
| KR20130059056A (en) * | 2011-11-28 | 2013-06-05 | 한국생산기술연구원 | Metal extrusion apparatus using ultrasonic vibration |
| CN105209189A (en) * | 2013-11-20 | 2015-12-30 | 丹尼尔和科菲森梅克尼齐有限公司 | Drawing machine for drawing tubes and its method of use |
| CN107685083A (en) * | 2017-09-17 | 2018-02-13 | 浙江毅美材料有限公司 | A kind of equipment for cooling die of water tank drawbench |
| CN110227728A (en) * | 2019-06-14 | 2019-09-13 | 北京航空航天大学 | A kind of tubular property regulation device of ultrasonic vibration assisted with high-temperature alloy thin-wall capillary |
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| 盛善权: "《机械制造基础》", 31 May 1993, 高等教育出版社 * |
| 袁江波: "超声振动拉丝机理及实际应用实验研究", 《中国优秀博硕士学位论文全文数据库（硕士） 工程科技I辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114011892A (en) * | 2021-10-29 | 2022-02-08 | 华中科技大学 | Temperature-speed-controllable ultrasonic vibration-assisted thin-wall capillary drawing forming device and method |
| CN114011892B (en) * | 2021-10-29 | 2022-07-05 | 华中科技大学 | Temperature-speed-controllable ultrasonic vibration-assisted thin-wall capillary drawing forming device and method |
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