CN102952935A - Thermal treatment device of metal wire - Google Patents
Thermal treatment device of metal wire Download PDFInfo
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- CN102952935A CN102952935A CN2012103065761A CN201210306576A CN102952935A CN 102952935 A CN102952935 A CN 102952935A CN 2012103065761 A CN2012103065761 A CN 2012103065761A CN 201210306576 A CN201210306576 A CN 201210306576A CN 102952935 A CN102952935 A CN 102952935A
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Abstract
The present invention aims to provide a thermal treatment device of a metal wire. The thermal treatment device can be used for preventing the metal wire from directly contacting with a tube with less working hours, and the surface of the metal wire can be prevented from being damaged. The thermal treatment device of the metal wire is provided with a heating furnace, a plurality of tubes maintained as non-oxidizing atmosphere are horizontally arranged on the heating furnace in parallel, the metal wire passes through the tubes to realize thermal treatment of the metal wire, and a cylinder composed of carbon is arranged inside the inner surface of the tubes. The lower side of a wire passing direction of the heating furnace of the thermal treatment device is provided with a cooling device, a plurality of tubes for the metal wire to pass are arranged horizontally on the tube in parallel, and a cylinder made of carbon is arranged on the inner surface of the tube.
Description
Technical field
The present invention relates to advance to carry out by the metal wire that makes lengthwise the thermal treatment unit of the metal wire of continuous heat treatment.
Background technology
All the time, for the thermal treatments such as annealing, quenching and tempering of the metal wire such as the lengthwise that is made of stainless steel being carried out for the character that obtains being scheduled to, usually make with the following method: arranged transversely pipe in heat treatment furnace, to remain the nonoxidizing atmospheres such as hydrogen, nitrogen in this pipe, advance to carry out continuous heat treatment by the metal wire that makes lengthwise along the length direction in the pipe.
In the method for this continuous heat treatment, sometimes in the drawing operation of operation in early stage, be coated on sometimes being brought in the pipe and fusion and decomposition as the part of the wire drawing lubricant of main component with sodium stearate etc. of metal wire material surface, and then react with pipe, form harmful harder carbide and be attached to securely pipe internal surface.This harder dirt settling directly contacts with the metal wire of advancing in pipe, sometimes produces cut on the surface of metal wire.
In order to prevent the surface damage of this type of metal wire, following method has been proposed: Yi Bian utilize heat-resisting fabric to spread all over the regulation girth that covers the pipe internal surface in the heat treatment furnace, Yi Bian make metal wire advance to carry out continuous heat treatment (patent documentation 1).In patent documentation 1, by removing wire drawing lubricant in heat treated previous stage with the washing unit that is used for the clean metal wire surface, and then utilize with SiO2 class ceramic fiber and as the heat-resisting fabric of main material girth is stipulated in the covering of the pipe internal surface in the heat treatment furnace, the killer tube inner peripheral surface directly contacts with metal wire thus, prevent to metal wire cause surface damage aspect excellent.
Patent documentation 1: TOHKEMY 2008-50645 communique
Yet, research according to the inventor, confirmed following situation: disclosed in order in pipe, the metal wire of lengthwise to be heat-treated in the method for built-in heat-resisting fabric at patent documentation 1, if the heat-resisting fabric soft and elastic a little less than, then for the heat-resisting fabric monomer, can't be along the built-in heat-resisting fabric monomer of pipe internal surface.
And, as the method along the built-in heat-resisting fabric of pipe internal surface, although as patent documentation 1 is disclosed, also there is the end that pull wire is wound in heat-resisting fabric, carry out built-in mode on one side by vertically pulling traction metal wire in managing on one side, but built-in operation meeting expensive man-hour, hinder productivity.
In addition, because many wires material is advanced continuously, therefore, there is the situation that causes the heat-resisting fabric breakage because of the slip of above-mentioned metal wire, need to carries out regular replacing.The damaged frequency of heat-resisting fabric is according to the distinctive intensity of shape, size or metal wire self of metal wire and different, therefore is difficult to determine replacing period.If affected replacing period adversely, then had following situation: heat-resisting fabric is damaged, not only produces surface damage at metal wire, and damaged heat-resisting fabric also can remain in the pipe, produces the problem of stopping up pipe.
Summary of the invention
The object of the present invention is to provide a kind of thermal treatment unit of metal wire, the thermal treatment unit of this metal wire can be suppressing metal wire less man-hour and the direct of pipe contacts, thereby can solve the problem of surface damage.
The inventor has studied the direct problem that contacts the surface damage of the metal wire that causes of metal wire and pipe; discovery is by adopting the structure of the built-in cylinder that is made of carbon in pipe; can significantly cut down the man-hour for the cylinder of built-in protection usefulness, and can suppress surface damage, realize the present invention.
Namely, the present invention is a kind of thermal treatment unit of metal wire, this thermal treatment unit has process furnace, in this process furnace, be horizontally arranged with side by side the pipe that many velamens remain non-oxidizing atmosphere, above-mentioned metal wire is heat-treated by coming in the aforementioned tube by making metal wire, wherein, the internal surface along aforementioned tube is built-in with the cylinder that is made of carbon.
And, preferably, thermal treatment unit of the present invention possesses refrigerating unit in the downstream side of the logical line direction of above-mentioned process furnace, and this refrigerating unit laterally is provided with the pipe that the many above-mentioned metal wires of confession pass through side by side, and is built-in with the cylinder that is made of carbon along the internal surface of aforementioned tube.
In addition, preferably, the above-mentioned cylinder that is made of carbon of using in the present invention is formed with slit in the mode of the total length of the side surface that spreads all over this.
According to the present invention, owing to can solve with less man-hour the problem of the surface damage of metal wire, can enhance productivity, therefore, the present invention is indispensable technology for the mass production of metal wire.
Description of drawings
Fig. 1 is the synoptic diagram of an example of expression thermal treatment unit of the present invention.
Fig. 2 is another routine synoptic diagram of expression thermal treatment unit of the present invention.
Fig. 3 is the synoptic diagram of an example of the cylinder that possesses of expression thermal treatment unit of the present invention.
Embodiment
Key character of the present invention is, in the apparatus for continous heat treatment of metal wire, adopts along the structure of the built-in cylinder that is made of carbon of the pipe internal surface of process furnace and cool furnace.As mentioned above, if prevent direct contact of metal wire and pipe and use the soft cloth shape member such as heat-resisting fabric, then for the heat-resisting fabric monomer, can't be along pipe internal surface built-in heat-resisting fabric monomer well.Therefore, although also exist and pull wire etc. is wound in heat-resisting fabric and in the access tube, on one side an edge axis direction spurs this pull wire and carries out built-in method, in expensive man-hour in built-in operation, hinders productivity.
Below, use accompanying drawing that the thermal treatment unit of metal wire of the present invention is elaborated.
Fig. 1 utilizes synoptic diagram to represent an example of the thermal treatment unit of metal wire of the present invention.
In Fig. 1, the many metal wires 1 that are wound into coil (not shown) are drawn out of continuously from this coil respectively, be cooled after passing side by side the process furnace 2 that laterally is provided with (not shown) many pipes, after implementing for the thermal treatment that obtains predetermined characteristic, again be wound into coil.By many wires material is heat-treated side by side simultaneously, thus, the thermal treatment unit of metal wire of the present invention can significantly be boosted productivity.
And, thermal treatment unit for metal wire of the present invention, preferably, as shown in Figure 1, downstream side in the logical line direction of process furnace 2 possesses refrigerating unit 3, this refrigerating unit 3 is the pipe 4 that passes of the above-mentioned metal wire of many confessions of arranged transversely (not shown) side by side, and is built-in with the cylinder 5 that is made of carbon along the internal surface of pipe 4.Thus, can at short notice the metal wire 1 after the heating be cooled off, thus can shortening heat treatment unit total length.In addition, refrigerating unit 3 can be used as the chilling apparatus when carrying out quench treatment, can pay desired characteristic to metal wire 1.Herein, refrigerating unit 3 can be used such as lower device: for example utilize that refrigeration agent cools off managing 4 peripheries, thereby indirectly metal wire 1 is cooled off via the cylinder 5 that utilizes carbon to consist of.
For the thermal treatment unit of metal wire of the present invention, pipe 4 inside that supply metal wire 1 to advance in process furnace 2 and refrigerating unit 3 inside are built-in with the cylinder 5 that is made of carbon along the internal surface of managing 4, are retained as non-oxidizing atmosphere in the cylinder 5.Thus, the inner peripheral surface that the present invention can killer tube 4 directly contacts with metal wire 1, can prevent from metal wire 1 is caused surface damage.Particularly, when producing through the metal wire 1 after the processing in the operation in early stage such as wire drawing when rolling tendency, bending, metal wire 1 contacts with interior all upper surfaces of managing 4 sometimes.Even in this case, according to the present invention, the inner peripheral surface by utilization cylinder 5 covering pipes 4 can directly contact with metal wire 1 by killer tube 4 inner peripheral surfaces thus, thereby can prevent reliably the surface damage of metal wire 1.
Among the present invention the said cylinder 5 that is consisted of by carbon for example can use by carbon dust is carried out pressure sintering, extruding is configured as the parts of tubular or the parts that become tubular to form the carbon fiber twisted, consider from easy degree, the cost aspect of manufacturing, renovation, preferably use product of powder sintering or extrusion molded article.
In addition, in the present invention, by using the cylinder 5 that is consisted of by the carbon with high heat conductance, even utilize cylinder to cover the complete cycle of managing in 4, compare with the situation of for example utilizing heat-resisting fabric to cover complete cycle, can not hinder from managing 4 radiative transfers towards metal wire 1 yet, can heat metal wire 1 equably, thereby can pay desired characteristic to metal wire 1.
In addition, by using the cylinder 5 that is consisted of by carbon, even in drawing operation etc., be coated on being brought in the pipe as the part of the wire drawing lubricant of main component and making the decomposition of one partial melting with sodium stearate etc. of metal wire 1 surface, also only produce carbon in the wire drawing lubricant and the reaction between cylinder 5 the carbon, can suppress formation and can make metal wire 1 harmful harder carbide of surface damage occur.
As shown in Figure 1, by the applied cylinder 5 that is made of carbon of the present invention is made as one from the cylinder 5 of process furnace 2 towards the continuous lengthwise of refrigerating unit 3, thus, need not pull wire etc. is passed in the pipe 4, just can with less man-hour swimmingly along the internal surface of pipe 4 insert by carbon consist of tins 5.And, because therefore the cylinder 5 that can be made of carbon with cheaper price manufacturing, as long as change integratedly above-mentioned cylinder 5, then can also omit the upkeep operations such as regular cleaning in the time-consuming pipe 4.
And, as shown in Figure 2, further preferably will be divided into short predetermined length by the cylinder 5 that carbon consists of and be inserted in the pipe 4, thus, with the cylinder 5 that is consisted of by carbon whether damaged irrelevant operability raising, in pipe 4 the insertion transfiguration easily such workability obviously improve.
In addition, if cylinder 5 inlet side or the outlet sides from process furnace 2 that are made of carbon of new product specified length are pushed, so that 5 mouth from opposition side that is made of carbon after using leave, then can easily change the cylinder 5 that is consisted of by carbon.
One example of the shape of the cylinder 5 that is consisted of by carbon that Fig. 3 represents to use in the present invention.(A) of Fig. 3 is cylinder 5 the front view that is made of carbon, and (B) of Fig. 3 is its side-view.As shown in Figure 3, preferably on cylinder 5 the periphery that is consisted of by carbon, spread all over along axis direction and form endlong slit 6.Thus, though since in pipe by the state that metal wire is arranged under, metal wire is passed through from slit 6, in cylinder 5 access tubes, therefore, with circumferential direction be closed tin to compare workability better, can significantly boost productivity.In addition, directly do not contact with pipe in order to make metal wire, be preferably formed the width that forms the diameter+1mm of about metal wire in the slit 6 of cylinder 5.
Description of reference numerals
1, metal wire; 2, process furnace; 3, refrigerating unit; 4, pipe; 5, cylinder; 6, slit.
Claims (3)
1. the thermal treatment unit of a metal wire,
The thermal treatment unit of this metal wire has process furnace, is horizontally arranged with side by side the pipe that many velamens remain non-oxidizing atmosphere in this process furnace, above-mentioned metal wire is heat-treated by coming in the aforementioned tube by making metal wire, it is characterized in that,
Internal surface along aforementioned tube is built-in with the cylinder that is made of carbon.
2. the thermal treatment unit of metal wire according to claim 1 is characterized in that,
Above-mentioned thermal treatment unit possesses refrigerating unit in the downstream side of the logical line direction of above-mentioned process furnace, and this refrigerating unit laterally is provided with the pipe that the many above-mentioned metal wires of confession pass through side by side, and is built-in with the cylinder that is made of carbon along the internal surface of aforementioned tube.
3. the thermal treatment unit of metal wire according to claim 1 and 2 is characterized in that,
The above-mentioned cylinder that is made of carbon is formed with slit in the mode of the total length of the side surface that spreads all over this.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011184390A JP2013044042A (en) | 2011-08-26 | 2011-08-26 | Heat treatment apparatus for metal wire rod |
| JP2011-184390 | 2011-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102952935A true CN102952935A (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103065761A Pending CN102952935A (en) | 2011-08-26 | 2012-08-24 | Thermal treatment device of metal wire |
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|---|---|
| JP (1) | JP2013044042A (en) |
| CN (1) | CN102952935A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076106U (en) * | 1990-02-14 | 1991-05-01 | 江阴钢绳厂 | Cooling-controlled continuous heat treatment apparatus |
| JPH03240937A (en) * | 1990-02-16 | 1991-10-28 | Furukawa Electric Co Ltd:The | Method for heat treating metallic thin wire |
| JPH07305152A (en) * | 1994-05-10 | 1995-11-21 | Totoku Electric Co Ltd | Apparatus for continuously heating metal wire rod |
| CN1112676A (en) * | 1994-10-19 | 1995-11-29 | 冶金工业部钢铁研究总院 | Continuous detection apparatus for thermoelectric potential homogeneity of thermocouple wire material and its detection method |
| CN2694198Y (en) * | 2004-05-18 | 2005-04-20 | 叶新民 | Pipe type heating device |
| CN2718865Y (en) * | 2004-05-13 | 2005-08-17 | 周建华 | Cable insulating sleeve |
| CN2793655Y (en) * | 2005-05-20 | 2006-07-05 | 中国印钞造币总公司 | On-line continuous heat furnace for superfine wiredrawing |
| CN1962921A (en) * | 2006-11-29 | 2007-05-16 | 安徽帮格工贸有限公司 | Annealing process and device for use in production of copper clad aluminum or copper clad aluminum magnesium filaments |
| CN101220409A (en) * | 2007-12-01 | 2008-07-16 | 徐建永 | Horizontal continuous unmuffled light annealing equipment of stainless steel band |
| CN201358283Y (en) * | 2008-12-03 | 2009-12-09 | 杭州创宇金属制品科技有限公司 | Heat-resistant stainless steel tube furnace for steel wire heat treatment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54135606A (en) * | 1978-04-13 | 1979-10-22 | Furukawa Electric Co Ltd:The | Heat-treating method for traveling metal |
| JPH059596A (en) * | 1991-06-28 | 1993-01-19 | Aichi Steel Works Ltd | Heat treating device for metallic wire having metallic gloss |
| JP3004031U (en) * | 1994-05-10 | 1994-11-08 | 東京特殊電線株式会社 | Continuous heating device for wire rod |
| JP2008050645A (en) * | 2006-08-23 | 2008-03-06 | Daido Stainless Kk | Method for continuously heat-treating metallic wire rod |
-
2011
- 2011-08-26 JP JP2011184390A patent/JP2013044042A/en active Pending
-
2012
- 2012-08-24 CN CN2012103065761A patent/CN102952935A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2076106U (en) * | 1990-02-14 | 1991-05-01 | 江阴钢绳厂 | Cooling-controlled continuous heat treatment apparatus |
| JPH03240937A (en) * | 1990-02-16 | 1991-10-28 | Furukawa Electric Co Ltd:The | Method for heat treating metallic thin wire |
| JPH07305152A (en) * | 1994-05-10 | 1995-11-21 | Totoku Electric Co Ltd | Apparatus for continuously heating metal wire rod |
| CN1112676A (en) * | 1994-10-19 | 1995-11-29 | 冶金工业部钢铁研究总院 | Continuous detection apparatus for thermoelectric potential homogeneity of thermocouple wire material and its detection method |
| CN2718865Y (en) * | 2004-05-13 | 2005-08-17 | 周建华 | Cable insulating sleeve |
| CN2694198Y (en) * | 2004-05-18 | 2005-04-20 | 叶新民 | Pipe type heating device |
| CN2793655Y (en) * | 2005-05-20 | 2006-07-05 | 中国印钞造币总公司 | On-line continuous heat furnace for superfine wiredrawing |
| CN1962921A (en) * | 2006-11-29 | 2007-05-16 | 安徽帮格工贸有限公司 | Annealing process and device for use in production of copper clad aluminum or copper clad aluminum magnesium filaments |
| CN101220409A (en) * | 2007-12-01 | 2008-07-16 | 徐建永 | Horizontal continuous unmuffled light annealing equipment of stainless steel band |
| CN201358283Y (en) * | 2008-12-03 | 2009-12-09 | 杭州创宇金属制品科技有限公司 | Heat-resistant stainless steel tube furnace for steel wire heat treatment |
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Application publication date: 20130306 |