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WO2005070605A1 - Outil de chauffage de la brasure et element de fer a souder utilise a cet effet - Google Patents

Outil de chauffage de la brasure et element de fer a souder utilise a cet effet Download PDF

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Publication number
WO2005070605A1
WO2005070605A1 PCT/JP2004/000690 JP2004000690W WO2005070605A1 WO 2005070605 A1 WO2005070605 A1 WO 2005070605A1 JP 2004000690 W JP2004000690 W JP 2004000690W WO 2005070605 A1 WO2005070605 A1 WO 2005070605A1
Authority
WO
WIPO (PCT)
Prior art keywords
tip
ceramic heater
solder
cylindrical member
gas
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.)
Ceased
Application number
PCT/JP2004/000690
Other languages
English (en)
Japanese (ja)
Inventor
Hiroyuki Masaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hakko Corp
Original Assignee
Hakko Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hakko Corp filed Critical Hakko Corp
Priority to PCT/JP2004/000690 priority Critical patent/WO2005070605A1/fr
Priority to PCT/JP2004/009585 priority patent/WO2005070606A1/fr
Priority to JP2005517188A priority patent/JP4181581B2/ja
Publication of WO2005070605A1 publication Critical patent/WO2005070605A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
    • B23K3/02—Soldering irons; Bits
    • B23K3/03—Soldering irons; Bits electrically heated
    • B23K3/0338—Constructional features of electric soldering irons
    • B23K3/0369—Couplings between the heating element housing and the bit or tip

Definitions

  • the present invention relates to a structure of a tip-side portion (a tip-side member) including a tip for a soldering heater represented by a soldering iron.
  • the invention also relates to the structure of a solder heating device using the same.
  • FIG. 9 (a) is a partial front view of a conventional electric soldering iron 90 (solder heating device), and FIG. 9 (b) is an exploded perspective view thereof.
  • a tip 93 stored in a protective pipe 96 is provided at the tip of the electric soldering iron 90.
  • the protection pipe 96 is fixed to the nipple 98 of the casing 91 by a nut 92.
  • a recess 93 d is formed inside the cylindrical body of the tip 93, which is covered by the protective pipe 96.
  • a ceramic heater 94 projecting from the casing 91 is assembled into the recess 93 d so as to fit through an insert pipe 95 made of stainless steel or the like.
  • the tip 93 is made of copper, a copper alloy, or the like, and its tip is iron-plated to prevent erosion by solder. However, since the erosion by the solder proceeds little by little, the tip 93 is usually a replacement part.
  • tip tips 93 having various tip shapes are prepared, and the operator selects the most suitable tip tip 93 according to the part and range to be soldered and replaces it. Work.
  • the present invention has been made in order to solve such problems of the conventional technology, and by increasing the speed of heat transfer from the ceramic ceramic to the tip and suppressing the heat loss, it is possible to improve the above-mentioned rise. It is a first object of the present invention to provide a soldering tip member capable of reducing the time and temperature recovery time and suppressing the temperature drop during soldering, and a solder heating device using the same.
  • solder heating device a device that emits an inert gas such as nitrogen from the vicinity of a soldering iron tip is known. This is done in order to prevent the solder from being oxidized by setting the vicinity of the tip to an oxygen-free atmosphere.
  • an inert gas is introduced into the casing 91, and a gas passage is formed from the inside of the casing 91 near the tip of the tip 93 to guide the inert gas.
  • Japanese Patent Application Laid-Open Publication No. 2001-3474769 states that such a soldering iron has a double pipe structure in which a pipe is further provided outside the protective pipe 96, and between the pipes. The structure that allows inert gas to pass through the gap is shown.
  • a second object of the present invention is to provide a soldering heating device of the type which ejects such an inert gas and which has a simpler structure while achieving the first object. Is to do. Disclosure of the invention
  • the soldering iron tip member for a solder heating device according to the present invention includes a metal tip tip that is brought into direct contact with and melts the solder, and a temperature detecting portion is provided near the tip, and heat is generated on the proximal end side.
  • a ceramic heater having a substantially rod-like shape provided with a concave portion, wherein a concave portion is provided in the inside of the tip where the ceramic heater is adhered in a close contact state, and a depth of the concave portion is the ceramic heater.
  • the section perpendicular to the axis is divided by a plane including the axis of the recess from the opening to the vicinity of the bottom. It is characterized by a notch that makes a cut.
  • the speed of heat transfer from the ceramic heater to the tip can be increased and the heat loss can be suppressed by the close contact between the tip and the ceramic heater.
  • the tip and ceramic heater are slightly deformed by heat due to the high temperature. Since the material of the tip is different from that of the ceramic, the coefficient of thermal expansion is also different. If the tip chip and the ceramic heater are fixed in a completely adhered state, the ceramic heater may be damaged by the difference in expansion.
  • the radial deformation (expansion) of the tip is absorbed by increasing or decreasing the width of the cut, so that a large compressive or tensile force acts on the ceramic heater. Can be effectively prevented.
  • a cylindrical member that covers the base end side of the tip is provided as a structure for achieving close contact between the tip and the ceramic tip while providing the notch, and the tip is provided with:
  • the cylindrical member is press-fitted at a position corresponding to the vicinity of the bottom surface of the concave portion, and a small gap is provided between the outer peripheral surface of the tip and the inner surface of the cylindrical member at other portions.
  • the cylindrical member is provided with a linear reduced diameter portion along the outer peripheral surface at a position corresponding to the vicinity of the base end of the tip.
  • the outer peripheral surface of the tip and the inner surface of the tubular member may be configured to contact with no gap.
  • the tight contact between the tip chip and the ceramic heater is reduced, and the strong contact thereof is minimized to a portion corresponding to the press-fit portion and the reduced-diameter portion. Therefore, even if a difference in thermal expansion occurs, mutual axial displacement is likely to occur, and it is possible to effectively prevent a large compressive or tensile force from acting on the ceramic heater.
  • the location where the tip is pressed into the cylindrical member is preferably a position corresponding to the temperature detecting portion of the ceramic heater inserted.
  • the degree of adhesion at the temperature detecting section is particularly increased, and more accurate temperature detection can be performed. Therefore, even if heat is temporarily removed from the tip of the soldering tip by soldering, the temperature can be detected quickly and accurately by the temperature detection unit, and the supplementary heat can be supplemented from the heating unit. Can be transmitted to the tip of the robot at high speed and with low loss.
  • soldering device in which the soldering tip for a soldering device is detachably attached to the body-side member that supports the soldering device, has a soldering tip having various shapes according to the region and range to be soldered. By preparing the tip side member by hand, it can be appropriately selected and used.
  • an inert gas ejection type solder heating device is provided on the main body side member, and a gas introduction section for introducing an inert gas into the main body side member; A gas ejecting portion provided near the distal end for ejecting the introduced inert gas; and a gas passage for guiding the inert gas from the gas introducing portion to the gas ejecting portion.
  • a part of the gas passage is formed by a gap between the outer peripheral surface and the inner surface of the cylindrical member, and the vicinity of the concave bottom surface of the cut is exposed from the cylindrical member to form the gas ejection portion. It is good to do so. In this way, the gap created by the cut can be used as an inert gas passage for the inert gas, so that there is no need to use a double pipe structure as in the conventional structure, and the structure can be simplified. be able to.
  • FIG. 1 is a front view of a soldering heater (electric soldering iron) according to a first embodiment, where (a) shows a state in which a tip side member is held by a main body side member, and (b) shows a state where a soldering iron is held. This shows a state in which the front member has been removed from the body member.
  • FIG. 2 is a partial cross-sectional view of FIG.
  • FIGS. 3A and 3B are conceptual diagrams showing the configuration of the ceramic heater of the electric soldering iron according to the first embodiment.
  • FIG. 3A shows the circuit configuration of the ceramic heater
  • FIG. This shows a state where the ceramic heater is formed by winding.
  • FIG. 4 is a diagram showing a detailed structure around the tip of an electric soldering iron according to the first embodiment,) is a partial sectional view, (b) is a III-III sectional view of (a), (C) is
  • FIGS. 5A and 5B are explanatory diagrams comparing the temperature characteristics of the electric soldering iron according to the first embodiment with the temperature characteristics of the conventional electric soldering iron.
  • FIG. 5A shows the temperature characteristics of the first embodiment
  • FIG. ) Shows the temperature characteristics of the conventional structure.
  • FIG. 6 is a front cross-sectional view of the solder heating device (gas ejection type electric soldering iron) according to the second embodiment, showing a state in which an inert gas is guided from the main body side member to the iron tip side member.
  • FIG. 7 is a partially enlarged view of FIG.
  • FIG. 8 is a front partial cross-sectional view of the vicinity of the soldering tip of the solder heating device (electric soldering iron) according to the third embodiment, where (a) guides the solder suction tube from outside the ceramic heater, b) shows a ceramic heater passed through a solder suction tube.
  • Fig. 9 shows the structure of a conventional solder heating device, where (a) is a partial front view,
  • FIG. 1 is a front view of an electric soldering iron 10 (solder heating device) according to a first embodiment of the present invention, in which (a) shows a state in which a tip side member 20 is held by a main body side member 25. (B) shows a state where the tip side member 20 is detached from the main body side member 25.
  • FIG. 2 is a partial cross-sectional view of FIG.
  • the structure of the electric soldering iron 10 will be described with reference to FIGS.
  • the basic configuration of the electric soldering iron 10 is such that a detachable iron tip member 20 is attached to the tip (left side in FIG. 1) of the main body member 25.
  • the tip of the tip side member 20 is mainly made of copper (other materials such as copper alloy, silver, or silver alloy may be used) and soldered by direct contact with the solder.
  • a tip 3 is provided. The proximal end of the tip 3 is fitted into a protective pipe 6 (tubular member), and the distal end is exposed from the protective pipe 6 and formed into a shape suitable for soldering.
  • a concave portion is provided inside the tip 3 and has a cylindrical shape with a bottom.
  • a ceramic heater 4 is attached to the concave portion in a closely contacting state.
  • the ceramic heater 4 is provided with a temperature detecting portion 4a near the distal end and a heat generating portion 4b near the proximal end.
  • These wirings are led out to the outside by lead wires 8 (lead wire 8a for the temperature detecting section and lead wire 8b for the heating section), and are connected to the tip side connector 9. Further, the base end side of the ceramic heater 4 is fitted and held by a substantially cylindrical holder 7 made of metal. As shown in FIGS. 1 (b) and 2, the tip 3, the ceramic heater 4, the protection pipe 6, the holder 7, the lead wire 8, and the tip connector 9 are integrally formed.
  • the main body-side member 25 mainly includes a casing 1, a fixing nut 2, and an O-ring 12 (positive member) sandwiched therebetween.
  • the casing 1 is a generally tubular member made of a metal or a hard and heat-resistant synthetic resin, and the surrounding area is provided so that an operator can hold the electric soldering iron 10 and handle it.
  • a synthetic resin having heat insulation and elasticity, such as synthetic rubber, is provided as the grip 1a.
  • Casing 1 Inside a main body side connector 15 to be joined to the iron tip side connector 9 is provided, and an electric cord 1 b is connected. The electric cord 1 b is led out of the casing 1 and connected to a controller (a control device for supplying electric power controlled to maintain the tip temperature to the set value to the ceramic heater 4).
  • the fixed nut 2 is a nut-like member screwed to the outer periphery of the distal end of the casing 1.
  • the outer peripheral portion is subjected to a mouth-letting process so that the operator can easily rotate it manually.
  • the fixing nut 2 By rotating the fixing nut 2, the fixing nut 2 can freely move in the axial direction within the movable range with respect to the casing 1.
  • An O-ring 12 is provided so as to be sandwiched between the step portion on the inner diameter side of the fixing nut 2 and the tip end surface of the casing 1.
  • the O-ring 12 is made of an elastic material such as rubber, and is provided at a position where the holder 7 is inserted when the tip side member 20 is attached.
  • a flathead screw 5 for preventing the fixed nut 2 from completely detaching from the casing 1 is provided.
  • FIG. 3 is a conceptual diagram showing the configuration of the ceramic heater 4.
  • (a) shows the circuit configuration of the ceramic heater 4; and
  • (b) shows a ceramic green sheet 4c wound around a ceramic rod 4d. This shows the state where overnight 4 is formed.
  • the structure of the ceramic capacitor 4 will be described with reference to FIG.
  • the ceramic heater 4 is composed of a ceramic green sheet 4 formed by a pattern of a temperature-sensitive resistor such as tungsten provided in the temperature detecting section 4a and a pattern of a heating resistor such as tungsten provided in the heating section 4b.
  • the product printed at the same time as c is wound around a cylindrical ceramic rod 4d such as alumina / silicon nitride as the base and sintered and integrated.
  • a lead wire 8a for the temperature detecting portion is led out from the temperature detecting portion 4a, and a lead wire 8b for the heat generating portion is led out from the heat generating portion 4b, and connected to the tip side connector 9.
  • FIG. 4A and 4B are views showing a detailed structure around the tip 3.
  • FIG. 4A is a partial cross-sectional view
  • FIG. 4B is a cross-sectional view taken along the line III-III of FIG. Of 4 (Circuit structure is omitted.)
  • (C) is an enlarged view of the vicinity of the P part and the Q part of (a). The detailed structure around the tip 3 will be described with reference to FIG.
  • a recess 3 d is provided inside the tip 3 and has a bottomed cylindrical shape, and the tip side of the ceramic heater 4 is adhered in a tight contact state.
  • the depth of the recess 3d is equal to or greater than the length from the tip of the ceramic window 4 to the heating portion 4b.
  • the temperature detecting section 4 a and the heat generating section 4 b of the ceramic heater 4 are in a state of being covered with the tip 3 around.
  • the outer diameter of the bottom side (tip side) of the bottomed cylindrical portion of the tip 3 is relatively large (large diameter portion 3a).
  • the range of the large-diameter portion 3a is a portion substantially equivalent to the temperature detecting portion 4a when the ceramic heater 4 is attached, and when the ceramic heater 4 is fitted to the protective pipe 6 when the ceramic heater 4 is attached. This is a portion corresponding to the tip portion.
  • the bottomed cylindrical portion closer to the base end than the large diameter portion 3a is a small diameter portion 3b slightly smaller in diameter than the large diameter portion 3a.
  • the portion forming the concave portion 3d (mainly the large-diameter portion 3a and the small-diameter portion 3b) includes, from the opening to the vicinity of the bottom surface, a plane including the axis of the concave portion 3d (see FIG. 4A).
  • a notch 3c is provided that divides a cross section perpendicular to the axis (a cross section shown in Fig. 4 (b)) at a plane passing through the axis of the recess 3d and perpendicular to the paper plane.
  • the notch 3c is deeper than the large-diameter portion 3a, and when inserted into the protective pipe 6, its distal end is exposed to form a notch exposed portion 3e.
  • the large-diameter portion 3a and the small-diameter portion 3b of the tip 3 are easily spread on both sides of the notch 3c. Therefore, when the ceramic heater 4 is attached and there is nothing to restrict the outer circumference (in a state where it is not yet inserted into the protective pipe 6), the outer peripheral surface of the ceramic heater 4 and the large-diameter portion 3a and the small-diameter Although it is in close contact with the inner peripheral surface of part 3b, its adhesion is weak and there is a slight air gap.
  • the inner diameter of the protection pipe 6 when it is free is slightly smaller than the large diameter portion 3a and slightly larger than the small diameter portion 3b. Therefore, when the tip 3 is fitted into the protective pipe 6, the large diameter portion 3a is press-fitted, and a small gap is formed between the small-diameter portion 3b and the protective pipe 6.
  • the position corresponding to the vicinity of the base end of the tip 3 of the protection pipe 6 see FIG. 4 (a) and
  • a linear reduced diameter portion 6a is provided along the outer peripheral surface.
  • the outer peripheral surface of the small diameter portion 3b and the inner surface of the protection pipe 6 abut without any gap. Therefore, when the tip 3 is inserted into the protective pipe 6, the large-diameter portion 3a and the portion of the small-diameter portion 3b that abuts on the reduced-diameter portion 6a extend around the outer periphery of the tip 3. Regulate strongly. For this reason, the degree of adhesion between the ceramic capacitor 4 and the tip 3 is also strong at locations corresponding to these (the first strong contact h and the second strong contact j). As described above, since the ceramic heater 4 is strongly adhered to almost both ends of the portion to be inserted into the tip 3, the overall adhesion is also high.
  • the operation of the electric soldering iron 10 having the above structure will be described.
  • the operator selects a tip-side member 20 having a tip shape that is optimal for the work, and inserts it into the body-side member 25. At this time, loosen the fixing nut 2 and insert the holder 7 into the tip of the casing 1.
  • the fixing nut 2 is tightened to deform the O-ring 12, and the holder 7 is fixed by pressing the holder 7 from the periphery.
  • the operator turns on the power of a controller (not shown) and sets the required tip temperature. Electric power corresponding to the set temperature is supplied from the controller to the heating section 4b of the ceramic heater 4, and the heating section 4b generates heat.
  • the heat generated in the heat-generating portion 4b is transmitted to the tip 3, but the ceramic heater 4 and the large-diameter portion 3a and the small-diameter portion 3b of the tip 3 are in good contact with each other. Its heat conduction is performed at high speed and with low loss.
  • the temperature of the tip of the tip 3 is detected by the temperature detection section 4a of the ceramic heater 4 and transmitted to a controller (not shown). Since the vicinity of the temperature detecting section 4a is the first strong contact point h, the degree of adhesion is particularly high, and more accurate temperature detection is possible. Therefore, heat is temporarily removed from the tip of the tip 3 by soldering. In this case, the temperature can be quickly and accurately detected by the temperature detection section 4a, and the supplementary heat can be transmitted from the heating section 4b to the tip of the tip 3 with high speed and low loss. it can.
  • Fig. 5 is an explanatory diagram comparing the temperature characteristics of the electric soldering iron 10 with the temperature characteristics of the conventional structure of the electric soldering iron 90 (see Fig. 9).
  • (B) shows the temperature characteristics of an electric soldering iron 90 having a conventional structure.
  • the horizontal axis shows time (s) and the vertical axis shows tip temperature CC).
  • the set temperatures were both 350 ° C and the same controller was used. With these temperature characteristics, an operation equivalent to continuous soldering (hereinafter referred to as continuous soldering) is performed in sections where the temperature rises and falls sharply. Continuous soldering was performed with the tip of the solder abutted at intervals of 3 seconds on the lead-filled solder on the copper phenolic board with a 10 mm square cut surface.
  • the rise time and return time of the temperature are greatly reduced, and the temperature drop is drastically reduced.
  • heat was transferred from the heating portion 4b to the tip of the tip 3 with high speed and low loss, and the temperature of the temperature detection portion 4a was high. This is a remarkable effect due to the improvement in detection accuracy.
  • the coefficient of thermal expansion is also different. If the tip 3 and the ceramic heater 4 are fixed in a tightly adhered state, the expansion difference may damage the ceramic heater 4, but in the structure of the present embodiment, the damage is caused by the damage. Is effectively prevented. That is, the deformation (expansion) of the tip 3 in the radial direction is absorbed by the increase or decrease in the width of the notch 3 c, thereby preventing a large compressive or tensile force from acting on the ceramic heater 4. ing. As for the deformation in the axial direction, the strong contacts are minimized to the first strong contact h and the second strong contact j. Compression and tension are not applied.
  • the power is turned off, the fixing nut 2 is loosened, the tip member 20 is pulled out, and a new tip member 20 is inserted and replaced.
  • FIG. 6 is a front sectional view of the soldering device (gas ejection type electric soldering iron 50) according to the second embodiment, in which the tip side member 58 is attached to the main body side member 59. It shows the state that was done.
  • the same portions as those of the first embodiment are denoted by the same reference numerals, and the description thereof will not be repeated.
  • a gas introduction part 52 for introducing an inert gas (nitrogen or the like) into the inside of the casing 51 (body part 59).
  • a connection terminal 55 is connected to the gas introduction section 52, and is connected to an inert gas supply device (not shown) via a gas introduction pipe 57.
  • a gas rectifying cap 53 is attached near the tip of the protection pipe 6.
  • the gas rectifying cap 53 is a substantially cylindrical rectifying plate surrounding the notch exposed portion 3 e (see FIG. 4 (a)) with a gap provided between the notch exposed portion 3 e (see FIG. 4 (a)).
  • the active gas is configured to be guided toward the tip of the tip 3.
  • Other configurations are the same as those of the first embodiment.
  • FIG. 7 is an enlarged view near the tip 3 shown in FIG. However, for explanation The tip 3 is shown rotated 90 ° around the axis. With reference to FIG. 6 and FIG. 7, the operation mainly related to the inert gas will be described.
  • the inert gas introduced into the casing 51 from the gas introduction section 52 passes through the internal gap of the casing 51 as shown by the arrow in FIG. It is guided inside the member 58. At this time, the airtightness of the connection between the tip side member 58 and the main body side member 59 is maintained by the O-ring 12.
  • the inert gas introduced into the inside of the tip side member 58 reaches the tip 3 through a gap between the ceramic heater 4 and the protection pipe 6. Then, the gas is ejected from the cut-out exposed portion 3e through the cut 3c (see FIGS. 7 and 4 (b)) of the tip 3.
  • the spouted inert gas is guided by the gas rectifying cap 53 to the vicinity of the tip of the tip 3 to make the vicinity of the tip an oxygen-free atmosphere. Therefore, oxidation of the solder during soldering is prevented, and good soldering can be performed.
  • the conventional structure a double structure in which a pipe is further provided outside the protection pipe 6 and the space between the pipes is adopted
  • a structure in which an inert gas is passed through the gap may be made detachable by screws or the like.
  • FIG. 8 is a front partial sectional view of a soldering device (electric solder desoldering iron 60, 70) according to the third embodiment.
  • the electric solder desoldering irons 60 and 70 melt and suck and remove the solder, and are equipped with solder suction tubes 61 and 71.
  • FIG. 8 (a) shows that the solder suction tube 61 is guided from the outside of the ceramic heater 4.
  • a cylindrical suction nozzle 62 is screwed to the tip of the tip tip 63 provided at the tip of the protective pipe 66 (the tip tip 6).
  • a solder suction tube 61 is provided so as to penetrate the tip tip 63 and communicate with the inner diameter side of the suction nozzle 62.
  • the other end of the solder suction tube 61 is connected to a vacuum suction device (not shown).
  • the heat generated by the ceramic heater 4 is transmitted to the tip of the suction nozzle 62 via the tip 63 and melts the solder in contact therewith.
  • the molten solder is sucked and removed from the suction port 65 by vacuum suction.
  • FIG. 8 (b) shows the ceramic heater 4 with the solder suction pipe 71 passed through.
  • a through hole 72 penetrating the axis thereof is provided in the tip tip 73 provided at the tip of the protection pipe 76.
  • a solder suction pipe 71 communicating with the through hole 72 passes through the inside of the ceramic heater 4 and is connected to a vacuum suction I device (not shown).
  • the heat generated in the ceramic heater 4 is transmitted to the tip of the tip 73 and melts the solder in contact with the tip.
  • the molten solder is sucked and removed from the suction port 75 by vacuum suction.
  • the structures of the tip side member 68 and the tip side member 78 are the same as those of the first embodiment, so that the rise time and the return time can be shortened and the temperature drop can be suppressed. The effect of can be obtained.
  • the present invention is not limited to these, and may be appropriately modified within the scope of the claims.
  • the method of connecting the tip side member and the main body side member does not need to have the structure using the O-ring as described above, and may be appropriately designed and changed.
  • the soldering tip side member for a solder heating device has a metal tip tip that is brought into direct contact with the solder and melts, and a temperature detecting portion is provided near the tip, and furthermore, It has a substantially bar-shaped ceramic heater with a heat-generating part on the base end side.
  • a recess in which the ceramic heater is attached in close contact with the tip of the tip is formed, and the depth of the recess is equal to or greater than the length from the tip of the ceramic heater to the heating section.
  • a cut is formed in the portion forming the recess from the opening to the vicinity of the bottom so as to divide a cross section perpendicular to the axis with a plane including the axis of the recess.
  • the temperature drop during soldering can be suppressed in a soldering heater using it, and the rise time to the set temperature after turning on the power and the return from the fall temperature to the set temperature after continuous soldering It is possible to shorten the return time before the operation.
  • the structure can be made simpler, especially when used in a solder heating device of a type that ejects an inert gas.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electric Connection Of Electric Components To Printed Circuits (AREA)

Abstract

L'invention concerne un élément de fer à souder conçu pour un outil de chauffage de la brasure, qui se caractérise en ce qu'il comporte un fer à souder (3) métallique faisant fondre une brasure par contact direct avec celle-ci, un dispositif de chauffage céramique (4) sensiblement en forme de barre pourvu d'une section détection de température jouxtant l'extrémité avant et d'une section chauffage placée du côté extrémité de base. Le fer à souder (3) est formé au niveau interne d'un évidement (3d) dans lequel le dispositif de chauffage céramique (4) est étroitement inséré, la profondeur de l'évidement (3d) étant au moins égale à la longueur entre l'extrémité avant du dispositif de chauffage céramique (4) et la section chauffage (4b), la partie où l'évidement (3d) est formé étant pourvue d'une rainure (3c) s'étendant de l'ouverture jusqu'à proximité du fond, divisant ainsi une section dans un plan comprenant l'axe de l'évidement (3d) et la normale à cet axe; et un fer à souder électrique l'utilisant.
PCT/JP2004/000690 2004-01-27 2004-01-27 Outil de chauffage de la brasure et element de fer a souder utilise a cet effet Ceased WO2005070605A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2004/000690 WO2005070605A1 (fr) 2004-01-27 2004-01-27 Outil de chauffage de la brasure et element de fer a souder utilise a cet effet
PCT/JP2004/009585 WO2005070606A1 (fr) 2004-01-27 2004-06-30 Chauffe-soudure et element de pointe de fer a souder pour chauffe-soudure
JP2005517188A JP4181581B2 (ja) 2004-01-27 2004-06-30 はんだ加熱器具及びそれに用いられるこて先側部材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2004/000690 WO2005070605A1 (fr) 2004-01-27 2004-01-27 Outil de chauffage de la brasure et element de fer a souder utilise a cet effet

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WO2005070605A1 true WO2005070605A1 (fr) 2005-08-04

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PCT/JP2004/000690 Ceased WO2005070605A1 (fr) 2004-01-27 2004-01-27 Outil de chauffage de la brasure et element de fer a souder utilise a cet effet
PCT/JP2004/009585 Ceased WO2005070606A1 (fr) 2004-01-27 2004-06-30 Chauffe-soudure et element de pointe de fer a souder pour chauffe-soudure

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PCT/JP2004/009585 Ceased WO2005070606A1 (fr) 2004-01-27 2004-06-30 Chauffe-soudure et element de pointe de fer a souder pour chauffe-soudure

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WO (2) WO2005070605A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010084946A1 (fr) * 2009-01-24 2010-07-29 白光株式会社 Dispositif de soudage et son procédé de fabrication
US20230070160A1 (en) * 2021-09-03 2023-03-09 Qian Gou Soldering iron device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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US20230070160A1 (en) * 2021-09-03 2023-03-09 Qian Gou Soldering iron device
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