WO2016056583A1 - ナット、ナット用アタッチメント、ネジ軸及びはんだ付け装置 - Google Patents
ナット、ナット用アタッチメント、ネジ軸及びはんだ付け装置 Download PDFInfo
- Publication number
- WO2016056583A1 WO2016056583A1 PCT/JP2015/078460 JP2015078460W WO2016056583A1 WO 2016056583 A1 WO2016056583 A1 WO 2016056583A1 JP 2015078460 W JP2015078460 W JP 2015078460W WO 2016056583 A1 WO2016056583 A1 WO 2016056583A1
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- WIPO (PCT)
- Prior art keywords
- nut
- screw shaft
- notch
- attachment
- screw
- Prior art date
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0016—Brazing of electronic components
-
- 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
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/08—Soldering by means of dipping in molten solder
-
- 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
- B23K3/06—Solder feeding devices; Solder melting pans
-
- 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
- B23K3/06—Solder feeding devices; Solder melting pans
- B23K3/0646—Solder baths
- B23K3/0669—Solder baths with dipping means
- B23K3/0676—Conveyors therefor
-
- 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
- B23K3/08—Auxiliary devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/262—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members with means to adjust the distance between the relatively slidable members
- B23Q1/265—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members with means to adjust the distance between the relatively slidable members between rotating members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H25/2418—Screw seals, wipers, scrapers or the like
Definitions
- the present invention uses a nut, an attachment for a nut, a screw shaft, and a nut that can be applied to a reflow device that uses a flux when mounting an electronic component on a printed wiring board, a soldering device such as a jet soldering device, and the like.
- the present invention relates to a soldering apparatus. Specifically, a nut, a nut attachment, a screw shaft, and a nut that prevent the rotation of the nut from being disturbed even if a part of the flux vaporized by the soldering process adheres and adheres to the screw shaft, etc., were used.
- the present invention relates to a soldering apparatus.
- the reflow apparatus When soldering electronic components on a printed wiring board, a soldering device such as a reflow device or a jet soldering device is generally used.
- the reflow apparatus includes a conveyor that conveys a printed wiring board and a reflow apparatus main body that conveys the board by the conveyor.
- the interior of the reflow device main body is divided into a preheating zone, a main heating zone, and a cooling zone.
- a heater, a fan, a motor for driving the fan, and the like are installed in the preheating zone and the main heating zone.
- a cooling member, a cooling fan, a cooling fan driving motor, and the like are installed.
- a substrate on which a solder paste is printed in advance is conveyed into the reflow apparatus.
- the solder paste printed on the substrate includes powder solder and flux. Flux is made by dissolving solid components such as rosin, thixotropic agent and activator with a solvent to remove the oxide film on the metal surface to be soldered and prevent reoxidation by heating during soldering. In addition, the surface tension of the solder is reduced and the wettability is improved.
- the flux is vaporized by the heating by the heater and fills the reflow apparatus.
- the vaporized flux filled in the reflow body is generally collected and purified through a flux component removing device provided outside the muffle, and then the inside of the muffle through the circulation path. Returned to
- the solder paste applied to the printed wiring board is flux flux in the preheating zone, in particular, the solvent is volatilized (vaporized) to become flux fume, and in the flux component melted in the preheating zone, particularly When solid components such as rosin are exposed to high temperatures in this heating zone, they are also vaporized and become fumes and float in the apparatus (muffle).
- the fumes derived from these solvents and solid components are collected at a relatively low temperature in the device (muffle), for example, a conveyor for transporting a printed wiring board, a fan for circulating hot air, a frame constituting the device, and a device.
- fume solids When it comes into contact with a labyrinth or the like installed at the entrance / exit, it cools and condenses, and when the temperature drops further, it becomes a sticky solid. A problem arises when a large amount of these fumes formed into solids, so-called fume solids, adhere to a large amount of each component constituting the reflow furnace.
- a part of the vaporized flux fumes adheres to the surface of a member (screw shaft, nut, etc.) for making the rail for transporting the printed wiring board a rail width suitable for the board size.
- a member screw shaft, nut, etc.
- the liquefied flux fume eventually solidifies.
- the solidified flux fume is difficult to peel off and adheres hard, so it cannot be easily peeled off by rotation of the nut. Therefore, it is difficult to advance the nut, which makes it difficult to adjust the rail width.
- the soldering process is performed by jetting the molten solder contained in the solder bath on the printed wiring board surface on which the flux has been applied in advance, but the flux component heated by the solder layer is vaporized.
- Problems with the reflow apparatus are also found in jet soldering apparatus.
- even when a deposit adheres to at least one of the nut and the screw shaft other than the soldering apparatus there is a similar problem that the adherent does not easily peel off due to the rotation of the nut.
- the solder device disclosed in Patent Document 1 discloses a substrate transport rail that can be adjusted to the width of a mounting substrate applicable to a flow solder device, a reflow device, or the like.
- this solder apparatus has not taken any measures against the above problem. Further, other than the soldering apparatus, no countermeasure has been taken against the above problem even when an adherent adheres to at least one of the nut and the screw shaft.
- the present invention solves such a problem, and a flux fume that adheres to and solidifies a member (screw shaft or nut) for making the rail width suitable for the board size in the soldering apparatus.
- the purpose is to remove.
- Another object of the present invention is to remove the adhering matter adhered to the screw shaft and the nut in the same manner even when the adhering matter adheres to at least one of the nut and the screw shaft.
- a nut attachment characterized by having a non-meshing portion that does not mesh with the screw shaft in part or in whole, and the non-meshing portion is made up of one or more notches.
- a soldering apparatus including at least one of (1) to (9) as a transport rail.
- the nut attachment, or the screw shaft according to the present invention even if the deposit is fixed to at least one of the nut and the screw shaft, the deposit can be peeled off by the action of the non-engagement portion.
- the deposits removed with the nut are peeled off or scraped off to the non-meshing part without being fixed to the other screw shaft (screw valley) again.
- the rotation of the nut is not hindered, and the rotation of the nut becomes smooth.
- the nut fixing position can be changed (adjusted) more easily than in the prior art.
- the transfer rail of the printed wiring board can be easily adjusted to the rail width suitable for the board size. Since the attached flux can be easily removed, the time and cost required for maintenance of the soldering apparatus can be reduced.
- FIG. 2 is a perspective view showing a configuration example of a nut 10.
- FIG. 2 is a cross-sectional view taken along the line AA showing a configuration example of the nut 10.
- FIG. 6 is a plan view showing a modified example of the nut 10.
- FIG. 6 is a perspective view showing a modified example of the nut 10.
- It is a schematic plan view which shows the structural example of the soldering apparatus 1 which concerns on this invention. It is sectional drawing which shows the example of adjustment when the nut 10 is attached to the soldering apparatus 1.
- FIG. It is an expanded sectional view which shows the example of adjustment when the nut 10 is attached to the soldering apparatus 1.
- FIG. 4 is a cross-sectional view taken along the line BB showing an example of the configuration of the nut 20.
- FIG. It is a perspective view which shows the structural example of the nut 30 as 3rd Embodiment.
- FIG. 6 is a CC cross-sectional view showing a configuration example of a nut 30.
- It is sectional drawing which shows the example which connected the attachment 40 for nuts as 4th Embodiment to the screw tip of the nut 4.
- FIG. is sectional drawing which shows the example which connected the attachment 40 for nuts as 4th Embodiment to the screw head of the nut.
- FIGS. 1A and 1B a configuration example and a modification of the nut 10 according to the present invention will be described.
- a nut 10 shown in FIGS. 1A and 1B can be screwed into a screw shaft 2 (see FIG. 4) having a predetermined length, and the fixing position of the nut 10 can be changed with respect to the screw shaft 2.
- the thread valley 16 of the nut 10 is indicated by a thin line circle.
- the thread 17 of the nut 10 is indicated by a thick arc.
- a nut 10 shown in FIG. 1B has one non-engagement portion 11 that does not mesh with the screw shaft 2, and a screw head of the nut 10 has a flange portion 13 for connection to another member.
- the non-meshing portion 11 includes a cutout portion 12 in which the thread of the nut 10 is cut out in an arc shape.
- the flange portion 13 includes four connection holes 14 so that the flange portion 13 can be connected to other members with screws or the like.
- the shape of the notch 12 is not limited to an arc shape.
- the notch depth is preferably deeper than the thread valley of the nut 10.
- the diameter (width) of the notch 12 is not limited, but the angle ⁇ (see FIG. 1A) formed by the screw thread 17 and the notch 12 is not questioned, but 90 degrees is preferable. It becomes easy, and even when the deposits to be described later adhere to the notch portion 12 more firmly, they can be efficiently peeled off.
- the notch 12 shown in FIG. 2 is provided over the entire length (whole) from the front end to the rear end of the nut 10 in parallel with the traveling direction of the nut 10 with respect to the screw shaft 2 (not shown in this figure). ing.
- the nut 10 is provided with one notch 12, the number of the notches 12 is not limited to this.
- the pair of notches 12 are preferably provided symmetrically in the radial direction of the nut 10.
- the area where the screw shaft 2 and the nut 10 come into contact with each other is reduced, so that even if the deposit between the screw shaft 2 and the nut 10 is attached more firmly, it can be efficiently peeled off. Can do.
- the nut 10 is made of metal such as brass, but stainless steel may be used. In the case of using stainless steel, it is more preferable that the surface is nitrided by a known means after processing because the surface becomes hard and smooth. The same applies to the nut material.
- the nut 10 and the screw shaft 2 are trapezoidal screws, but are not limited thereto, and may be triangular screws, for example.
- the notch 12 is formed on the nut 10 by an end mill or the like. After making a hole in the nut 10, the burr is removed. The notch 12 is formed so as to cut out the thread of the nut 10. The notch 12 is formed over the entire length (whole) from the front end to the rear end of the nut 10 in parallel with the traveling direction with respect to the screw shaft 2.
- the soldering apparatus 1 is an apparatus that heats and solders, for example, a printed wiring board 3 on which a solder paste is applied to predetermined electrodes.
- the soldering apparatus 1 includes a pair of transport rails 61 for transporting the printed wiring board 3 and an adjustment member for changing the width between the pair of transport rails 61L and 61R according to the size of the printed wiring board 3.
- the transport rail 61L is set as a fixed rail
- the transport rail 61R is set as a movable rail.
- the soldering apparatus 1 includes the following members.
- the transport rail 61R is supported by a rail support portion 62.
- the rail support portion 62 is connected to the connection hole 14 of the nut 10 by a screw or the like.
- the nut 10 is screwed onto the screw shaft 2.
- Both ends of the screw shaft 2 are rotatably supported by a pair of bearing portions 63 and are rotated by a rotating member 64. Due to the rotation of the screw shaft 2, the nut 10 engaged with the screw shaft 2 moves forward and backward along the screw shaft 2. As a result, the transport rail 61R advances and retreats along the screw shaft 2.
- the screw shaft 2 and the nut 10 are for making the transport rail 61R have a rail width suitable for the size of the printed wiring board 3.
- the rotating member 64 is rotated, the nut 10 advances and retreats, the screwing position of the screw shaft 2 and the nut 10 changes, and the fixing position of the nut 10 with respect to the screw shaft 2 can be changed.
- the width between the pair of transfer rails 61L and 61R can be changed according to the size of the printed wiring board 3.
- flux fume or the like adheres to at least one of the peaks and valleys of the nut 10 and the screw shaft 2 by using the soldering device 1 for a long period of time.
- This deposit is eventually solidified to become a fixed article 6.
- the fixed object 6 is peeled off and scraped off mainly by the end face of the notch 12 of the nut 10.
- the scraped material 6 (scrap scrap) that has been scraped off is scraped off into the notch 12, so that the scraped scraps do not adhere to the nut 10 or the screw shaft 2 again and prevent the nut 10 from moving forward and backward. .
- the notch 12 acts to scrape and remove the fixed object 6.
- the fixed object 6 scraped off by the notch 12 is accumulated in the notch 12 and falls from the screw tip or the screw head side. Thereby, the fixing position of the nut 10 with respect to the screw shaft 2 can be changed relatively easily.
- the soldering apparatus 1 includes, in addition to the nut 10, the conventional nut 4, the nuts 20 and 30 according to the present invention, or the nut attachment 40. Can be provided.
- the conventional screw shaft 2, the screw shaft 50 or the screw shaft 70 according to the present invention can also be provided in the soldering apparatus 1.
- the present invention can be achieved by connecting a nut attachment 40 described later to the conventional nut 4.
- the nut 10 includes the non-engagement portion 11 including the notch portion 12 formed in parallel with the traveling direction of the nut 10, and is screwed to the screw shaft 2.
- the nut 10 can easily adjust the fixing position of the nut 10 with respect to the screw shaft 2 as compared with the related art.
- the fixing position of the nut 10 can be easily changed.
- the nut 20 is screwed into a screw shaft 2 (see FIG. 4) having a predetermined length, and the fixing position of the nut 20 can be changed with respect to the screw shaft 2.
- the nut 20 has two non-engagement portions 21 that do not mesh with the screw shaft 2, and a screw head of the nut 20 has a flange portion 23 for connection to another member.
- the flange portion 23 is provided with a connection hole 24 so that it can be connected to another member with a screw or the like.
- the non-meshing portion 21 includes a notch portion 22 in which the thread of the nut 20 is notched in an arc shape every 180 degrees.
- the notch 22 is provided with three or more threads from the screw tip of the nut 20 in parallel with the traveling direction of the nut 20 with respect to the screw shaft 2.
- the number of threads to be cut out is not limited to the number of threads as long as it is long enough to peel off the fixed object 6 (see FIGS. 5A and 5B) fixed to the screw shaft 2. .
- the shape of the notch 22 is not limited to an arc shape.
- the notch depth is preferably deeper than the thread valley of the nut 20.
- the width of the notch 22 is not limited, but preferably includes about 3 to 5 threads.
- the cut-out portion 22 is not limited to two places, but may be one or more places.
- the pair of notches 22 are preferably provided on the object in the radial direction of the nut 20.
- the length of the notch 22 is not limited to three threads, but may be at least one thread. At this time, the notch 22 is preferably provided on the screw tip side of the nut 20.
- the nut 20 is made of a metal such as brass.
- the nut 20 is a trapezoidal screw, but is not limited thereto, and may be a triangular screw, for example.
- the manufacturing method of the nut 20 is the same as that of the nut 10. Three or more screw threads are formed from the screw tip of the nut 20 in parallel with the traveling direction with respect to the screw shaft.
- the nut 20 is attached to a soldering apparatus 1 or the like as shown in FIG. 4 and operates in the same manner as the nut 10 of the first embodiment shown in FIGS. 5A and 5B.
- the notch 22 is fixed by simply rotating the nut 20 so as to advance on the screw shaft 2. Acts to get rid of.
- the flux fume that adheres to and solidifies the members (screw shaft 2 and nut 20) for making the rail width suitable for the board size can be easily removed, and the fixing position of the nut 20 can be easily changed. It has the characteristics that can be.
- the nut 30 is screwed into a screw shaft 2 (see FIG. 4) having a predetermined length, and the fixing position of the nut 30 can be changed with respect to the screw shaft 2.
- the nut 30 has two non-meshing portions 31 that do not mesh with the screw shaft 2, and a screw head of the nut 30 has a flange portion 33 for connection to other members.
- the flange portion 33 is provided with a connection hole 34 so that it can be connected to other members with screws or the like.
- the non-meshing portion 31 includes a cutout portion 32 that is cut out by making a circular hole in a screw thread.
- the notch 32 is formed in the radial direction of the nut 30.
- the two notches 32 are provided symmetrically in the radial direction of the nut 30.
- the notch 32 preferably passes through the nut 30, but the depth thereof is sufficient to peel off the fixed object 6 (see FIGS. 5A and 5B) fixed to the screw shaft 2. That's fine.
- the shape of the notch 32 is not limited to a circle, and the size thereof is not limited.
- the number of notches 32 is not limited to two.
- the pair of notches 32 are preferably provided on the object in the radial direction of the nut 20. It is preferable that the notch 32 is provided at a position shifted with respect to the traveling direction of the nut 30. However, the notch 32 is preferably provided near the screw tip of the nut 30.
- the nut 30 is made of a metal such as brass.
- the nut 30 is a trapezoidal screw, but is not limited thereto, and may be a triangular screw, for example.
- the notch 32 is formed by making a hole in the radial direction of the nut 30 with a drill or the like.
- the notch 32 is formed so as to cut out the thread of the nut 30. After making a hole with a drill, remove the burr.
- the nut 30 is attached to the soldering apparatus 1 according to the present invention shown in FIG. 4 and can operate in the same manner as the nut 10 shown in the first embodiment. Since the operation has been described before, the description is omitted.
- the nut 30 includes the non-engagement portion 31 including the notch portion 32 formed in the radial direction of the nut 30 and is screwed to the screw shaft 2.
- the nut 30 can easily adjust the fixing position of the nut 30 with respect to the screw shaft 2 as compared with the related art.
- the nut attachment 40 can be attached to the conventional nut 4 and is screwed onto the screw shaft 2 (see FIG. 4) having a predetermined length.
- the nut attachments 40 can change their fixed positions with respect to the screw shaft 2 in cooperation with the nut 4.
- the nut attachment 40 has one non-engagement portion 41 that does not mesh with the screw shaft 2.
- the non-meshing portion 41 includes a cutout portion 42 in which a thread is cut out in an arc shape.
- the notch 42 is formed in parallel to the direction of travel of the nut attachment 40.
- the number of notches 42 is not limited to one.
- the pair of notches 42 are preferably provided in the radial direction of the nut attachment 40.
- the shape of the notch 42 is not limited to an arc shape. It is preferable that the notch depth is deeper than the thread valley of the nut attachment 40.
- FIG. 8A shows how to attach the nut attachment 40 when the nut 4 is advanced in the direction of the arrow in this figure.
- the flange portion 43a of the nut attachment 40 and the nut 4 are connected by screws or the like so as to be continuous with the thread and the thread valley of the nut 4.
- the flange portion 43a has a connection hole 44a, and a hole that connects to this hole is formed in the nut 4.
- FIG. 8B shows how to attach the nut attachment 40 when the nut 4 is advanced in the direction of the arrow in this figure.
- the nut attachment 40 is connected by screws or the like so as to be continuous with the threads and thread valleys of the nut 4.
- the nut attachment 40 includes a flange portion 43b connected to the flange portion 4b of the nut 4 at one end thereof.
- the flange portion 43b has a connection hole 44b.
- the nut attachment 40 includes a flange portion 43c connected to another member with a screw or the like at the other end.
- the flange portion 43c has a connection hole 44c.
- the nut attachment 40 is connected to only one end of the nut 4, but the nut attachment 40 may be connected to both ends of the nut 4.
- the nut attachment 40 is made of a metal such as brass.
- the nut 4 and the nut attachment 40 are trapezoidal screws, but are not limited thereto, and may be triangular screws, for example.
- the notch 42 is formed by making a hole with an end mill or the like in parallel with the traveling direction of the nut attachment 40.
- the connection holes 44a, 44b, 44c are provided by a drill or the like.
- the notch 42 is formed so as to cut out the thread of the nut attachment 40.
- the notch 42 is completed by removing a burr after making a hole in the nut attachment 40 with an end mill or the like.
- the notch 42 of the nut attachment 40 is provided over the entire length (entire) from the front end to the rear end of the nut attachment 40, but is not limited thereto.
- the cutout portion 42 only needs to be provided on the traveling direction side with a length of one thread or more.
- the notch part 42 may be provided in the radial direction of the nut attachment 40, for example, as in the non-engagement part 31 of the third embodiment.
- the nut attachment 40 is provided with the non-meshing portion 41 including the notch portion 42, but is not limited thereto.
- the nut attachment 40 may be provided with a protruding portion that protrudes so as to mesh with the screw shaft only at a part of the circumference of the screw thread without providing the screw thread on the whole. It is preferable that at least one protrusion is provided. In the case where a plurality of protrusions are provided in the nut attachment 40, it is preferable to dispose the protrusions with respect to the advancing direction.
- the nut attachment 40 includes the non-engagement portion 41 including the notch portion 42 formed in parallel with the traveling direction of the nut attachment 40.
- the nut attachment 40 is connected to the conventional nut 4 and is screwed onto the screw shaft 2 in cooperation with the nut 4. With this configuration, the nut attachment 40 can easily adjust the fixing position of the nut 4 and the nut attachment 40 with respect to the screw shaft 2 as compared with the conventional case.
- the nut 4 and the nut attachment 40 are mounted on a member for changing the rail width of the soldering apparatus 1 as shown in FIG.
- the nut attachment 40 can operate in the same manner as the nut 10 shown in the first embodiment.
- the screw shafts 50 and 70 are screwed into nuts (not shown in this figure) having a predetermined length and have a predetermined length.
- the screw shaft 50 has a non-engagement portion 51 that does not mesh with the nut.
- the non-meshing part 51 includes a notch groove part 52 in which a thread is notched in an arc shape.
- the notch grooves 52 are formed in one row with respect to the traveling direction of the nut 4 (see FIG. 4).
- the notch groove portion 52 is provided in the whole from one end to the other end of the screw shaft 50 in parallel with the longitudinal direction of the screw shaft 50.
- the shape of the notch groove 52 is not limited to an arc shape, and the depth and width of the notch are not limited.
- the notch grooves 52 are not limited to those provided in one row.
- the notch groove 52 is preferably provided at one or more locations for one screw thread, but may be provided not only on the entire screw shaft 50 but only on a part for changing the fixing position of the nut. .
- the pair of notch grooves 52 are preferably provided in the radial direction of the screw shaft 50.
- the screw shaft 50 a conventional screw shaft can be used as it is, and it is preferable that the screw shaft 50 be made of steel or the like. In the case of using stainless steel, it is more preferable that the surface is nitrided by a known means after processing because the surface becomes hard and smooth. In this embodiment, the screw shaft 50 is a trapezoidal screw, but is not limited thereto.
- the screw shaft 70 has a row of non-engagement portions 71 that do not mesh with the nuts.
- the non-meshing portion 71 includes a notch groove portion 72 in which a thread is linearly cut in parallel with the screw shaft 70 in one row in this example with respect to the traveling direction of the nut 4 (see FIG. 4).
- the notch grooves 72 are not limited to those provided in one row.
- the notch groove portion 72 may be provided partially instead of the entire screw shaft 70.
- the present invention is not limited to the one in which the screw thread is notched linearly in parallel with the screw shaft 70.
- the notch groove portion 72 may be provided in a spiral shape with respect to the screw shaft 70.
- the non-meshing portions 51 and 71 including the notch groove portions 52 and 72 formed in parallel with the longitudinal direction of the screw shafts 50 and 70 are provided.
- the screw shafts 50 and 70 are the conventional nut 4 (see FIG. 4), the nut 10 of the present invention (see FIG. 1A, FIG. 1B, etc.) or the like, or the nut attachment 40 of the present invention (see FIG. 8A, FIG. 8B, etc.). And screwed into a conventional nut 4 connected with the like. With this configuration, the screw shafts 50 and 70 can easily adjust the fixing position of the nut 4 and the like with respect to the screw shafts 50 and 70 as compared with the conventional case.
- the screw shafts 50 and 70 are attached as members for changing the rail width of the soldering apparatus 1 as shown in FIG. At this time, even if a fixed object 6 (see FIGS. 5A and 5B) is generated on at least one of the nut 4 and the screw shafts 50 and 70, the nut 4 is simply rotated so as to advance on the screw shafts 50 and 70.
- the notch grooves 52 and 72 act to scrape and remove the deposits. As a result, it is possible to easily remove the flux adhering to the members (screw shafts 50, 70, nut 4) for making the rail width suitable for the board size.
- the adhered matter can be peeled off by the action of the non-meshing portion.
- Applicable when fixed is extremely suitable when applied to a soldering apparatus to which flux fume is fixed, a paint application apparatus to which a paint is fixed, or the like.
Abstract
Description
(1)所定の長さを有するネジ軸に螺合し、進退方向の一部又は全体にネジ軸に噛合しない非噛合部を有するナット。
(実施例1)
ナット10は、真鍮等の金属からなるが、ステンレスを用いても良い。ステンレスを用いる場合は加工後に表面を公知の手段で窒化処理すると、表面が硬く滑らかになるのでより好ましい。以下ナットの素材については同様である。ナット10及びネジ軸2は、この実施例においては、台形ネジであるが、これに限られず、例えば三角ネジであっても良い。
ナット10に既知の方法でネジ山を設けた後、切欠部12は、ナット10にエンドミル等で加工形成される。ナット10に穴を開けた後、バリを取り除く。切欠部12は、ナット10のネジ山を切り欠くように形成される。切欠部12は、ネジ軸2に対する進行方向と平行に、ナット10の先端から後端に至るまでの全長(全体)に亘って形成される。
図4に示すように、本発明に係るはんだ付け装置1は、例えばはんだペーストが所定の電極に塗布されたプリント配線基板3等を加熱処理してはんだ付けする装置である。はんだ付け装置1は、プリント配線基板3を搬送する一対の搬送用レール61と、プリント配線基板3のサイズに合わせて一対の搬送用レール61L、61R間の幅を変更するための調整部材とを備える。本例の場合、搬送用レール61Lは固定レールとして、搬送用レール61Rは可動レールとして設定される。
(実施例2)
ナット20は、真鍮等の金属からなる。ナット20は、この実施例において、台形ネジであるが、これに限られず、例えば三角ネジであっても良い。
ナット20の製造方法は、ナット10と同様である。切欠部22は、ネジ軸に対する進行方向と平行に、ナット20のネジ先からネジ山3つ以上形成される。
(実施例3)
ナット30は、真鍮等の金属からなる。ナット30は、この実施例においては、台形ネジであるが、これに限られず、例えば三角ネジであっても良い。
ナット30に既知の方法でネジ山を設けた後、切欠部32は、ナット30の半径方向にドリル等で穴を開けることで形成される。切欠部32は、ナット30のネジ山を切り欠くように形成される。ドリル等で穴を開けた後、バリを取り除く。
(実施例4)
ナット用アタッチメント40は、真鍮等の金属からなる。ナット4及びナット用アタッチメント40は、この実施例において、台形ネジであるが、これに限られず、例えば三角ネジであっても良い。
ナット用アタッチメント40に既知の方法でナット4と連続するようなネジ山を設けた後、切欠部42は、ナット用アタッチメント40の進行方向と平行にエンドミル等で穴を開けることで形成される。連結穴44a、44b、44cをドリル等で設ける。切欠部42は、ナット用アタッチメント40のネジ山を切り欠くように形成される。切欠部42は、ナット用アタッチメント40にエンドミル等で穴を開けた後、バリを取り除くことで完成する。
(実施例5及び実施例6)
ネジ軸50は、従来のネジ軸をそのまま利用することが出来、スチール等で出来ていることが好ましいが、これに限らずステンレスであっても良い。ステンレスを用いる場合は加工後に表面を公知の手段で窒化処理すると、表面が硬く滑らかになるのでより好ましい。ネジ軸50は、この実施例においては、台形ネジであるが、これに限らない。
2,50,70 ネジ軸
10,20,30 ナット
11,21,31,41,51,71 非噛合部
12,22,32,42 切欠部
13,43a,43b,43c フランジ部
14,44a,44b,44c 連結穴
40 ナット用アタッチメント
52,72 切欠溝部
61L,61R 搬送用レール
62,65 レール支持部
63 軸受部
64 回転部材
Claims (10)
- 所定の長さを有するネジ軸に螺合し、
進退方向の一部又は全体に前記ネジ軸に噛合しない非噛合部を有するナット。 - 前記非噛合部は、
1以上の切欠部からなされることを特徴とする請求項1に記載のナット。 - 前記切欠部は、
ナットの進行方向と平行に形成されることを特徴とする請求項2に記載のナット。 - 前記切欠部は、
ナットの半径方向に形成されることを特徴とする請求項2に記載のナット。 - はんだ付け装置に備えられ、
前記ネジ軸に対するナットの固定位置を変更可能な請求項1から4の何れかに記載のナット。 - 前記非噛合部は、
前記ネジ軸及び前記ナットの少なくとも何れかに付着する付着物を取り除くようになされる請求項5に記載のナット。 - 一部又は全体に前記ネジ軸に噛合しない非噛合部を有し、
前記非噛合部は、
1以上の切欠部からなされることを特徴とするナット用アタッチメント。 - 所定の長さを有するナットに螺合し、
その一部又は全体に当該ナットに噛合しない非噛合部を有するネジ軸。 - 前記非噛合部は、
1以上の切欠溝部からなされることを特徴とする請求項8に記載のネジ軸。 - 請求項1から9の少なくとも何れか1つを搬送用レールとして備えるはんだ付け装置。
Priority Applications (6)
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MYPI2017000532A MY172958A (en) | 2014-10-09 | 2015-10-07 | Soldering device |
CN201580054760.3A CN106795954A (zh) | 2014-10-09 | 2015-10-07 | 螺母、螺母用配件、螺旋轴以及软钎焊装置 |
KR1020177012033A KR101838860B1 (ko) | 2014-10-09 | 2015-10-07 | 솔더링 장치 |
US15/517,762 US10076041B2 (en) | 2014-10-09 | 2015-10-07 | Soldering device |
EP15848309.9A EP3205904B1 (en) | 2014-10-09 | 2015-10-07 | Soldering device |
PH12017500664A PH12017500664B1 (en) | 2014-10-09 | 2017-04-07 | Soldering device |
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JP2014-208349 | 2014-10-09 | ||
JP2014208349A JP5878219B1 (ja) | 2014-10-09 | 2014-10-09 | はんだ付け装置 |
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EP (1) | EP3205904B1 (ja) |
JP (1) | JP5878219B1 (ja) |
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CN (2) | CN110722238B (ja) |
HU (1) | HUE051981T2 (ja) |
MY (1) | MY172958A (ja) |
PH (1) | PH12017500664B1 (ja) |
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PH12017500664A1 (en) | 2017-10-30 |
EP3205904B1 (en) | 2020-11-25 |
TW201632770A (zh) | 2016-09-16 |
MY172958A (en) | 2019-12-16 |
KR20170065621A (ko) | 2017-06-13 |
CN110722238B (zh) | 2021-10-08 |
JP5878219B1 (ja) | 2016-03-08 |
EP3205904A4 (en) | 2018-07-11 |
EP3205904A1 (en) | 2017-08-16 |
CN110722238A (zh) | 2020-01-24 |
HUE051981T2 (hu) | 2021-04-28 |
CN106795954A (zh) | 2017-05-31 |
US10076041B2 (en) | 2018-09-11 |
US20170311453A1 (en) | 2017-10-26 |
PH12017500664B1 (en) | 2017-10-30 |
JP2016079994A (ja) | 2016-05-16 |
TWI659169B (zh) | 2019-05-11 |
KR101838860B1 (ko) | 2018-03-14 |
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