CN103962722A - Manufacturing method of fluid correlation function apparatus - Google Patents
Manufacturing method of fluid correlation function apparatus Download PDFInfo
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- CN103962722A CN103962722A CN201410040050.2A CN201410040050A CN103962722A CN 103962722 A CN103962722 A CN 103962722A CN 201410040050 A CN201410040050 A CN 201410040050A CN 103962722 A CN103962722 A CN 103962722A
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- fluid
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- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/002—Resistance welding; Severing by resistance heating specially adapted for particular articles or work
-
- 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
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/34—Preliminary treatment
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
- B23K26/3568—Modifying rugosity
- B23K26/3584—Increasing rugosity, e.g. roughening
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- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
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- Manufacture Of Switches (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a manufacturing method of a fluid correlation function apparatus, which can obtain the fluid correlation function apparatus having a stainless steel or aluminum casing member and stable connections tatus by utilizing ressitance welding to join a connection part in the casing member. In a manufacturing method of a pressure switch (1), before a welding process of utilizing resistance welding to join a housing (70) to the casing member (81), a surface treatment process is conducted, in which laser rays are irradiated to a joint part (S) where the casing member (81) and the housing (70) are joined, and surface treatment is confured in a manner that the overall status of the joint part (S) becomes uniform.
Description
Technical field
For example the present invention relates to have to pressure switch, pressure sensor equal pressure induction installation for connections such as the mobile pipe arrangements of the fluids such as cold-producing medium and the valve gear etc. that is controlled at the flow of fluid mobile in this pipe arrangement etc. the manufacture method of the fluid correlation function device of the function relevant with fluid.
Background technology
In the past, as the pressure sensitive device being connected with the pipe arrangement etc. of flow of refrigerant that is provided as fluid, for example, there is the disclosed pressure switch of patent documentation 1.This pressure switch possesses cover 1 and the brazen connector (joint) 2 of stainless steel, and cover 1 and connector 2 utilize protuberance welding (resistance welded) to realize diffusion bond.And, be configured to connector 2 and be connected for the pipe arrangement of flow of refrigerant, via the internal holes 22 of central portion of connector 2 and the through hole 12 of cover 1 and to the interior importing fluid of cover 1.
Prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2006-205231 communique
Summary of the invention
Invent problem to be solved
But, in this pressure switch, because cover 1 is stainless steel, being therefore formed with oxide-film on its surface, this oxide-film is insulator, in order to flow and to need high voltage for the electric current of resistance welded between cover 1 and connector 2.And, in pressure switch, need to spread all over junction complete cycle with sealing mode weld in case fluid between cover 1 and connector 2 leakage, therefore there is following situation, for example, unequal due to oxide-film, is created in the different part of cover 1 magnitude of current mobile from the junction of connector 2.In addition, be attached with foreign material etc. in the junction of cover 1, exist foreign material etc. to become the situation that spark disperses because of current flowing.Therefore, exist cover 1 and the welding of the junction of connector 2 to become inhomogeneous situation, obtain the staies in grade such as sealing, bond strength engagement state aspect still have the leeway of improvement.In addition, thering is in the various fluid correlation function devices of the function relevant with fluid also with the valve gear of the connection such as pipe arrangement etc. the leeway that has improvement aspect identical.
Therefore, problem of the present invention is to provide a kind of housing member that can obtain stainless steel system or aluminum to be engaged in the manufacture method of the fluid correlation function device of the more stable fluid correlation function device of the engagement state of attaching parts of this housing member with utilizing resistance welded.
For solving the method for problem
In order to solve above-mentioned problem, invention described in scheme 1 is a kind of manufacture method of fluid correlation function device, this fluid correlation function device has the function relevant to fluid and possesses metal attaching parts and the housing member of stainless steel or aluminum, these attaching parts are formed with and the endoporus being connected for the mobile pipe arrangement of fluid, this housing member is the above-mentioned attaching parts of engage sides outside, and be formed with the endoporus of these attaching parts is communicated with the space of medial surface side, connect the through hole of above-mentioned lateral surface and above-mentioned medial surface, the manufacture method of above-mentioned fluid correlation function device is characterised in that, comprise following operation: laser is irradiated in the junction engaging with above-mentioned attaching parts to the ring-type of the above-mentioned through hole of encirclement of the lateral surface of above-mentioned housing member, so that becoming uniform mode, the state of this junction entirety carries out surface-treated surface treatment procedure, and under the state that the endoporus of above-mentioned attaching parts and the through hole of above-mentioned housing parts are communicated with, in above-mentioned surface treatment procedure, carry out on the complete cycle of the above-mentioned junction of above-mentioned surface-treated, utilized electric resistance welding to fetch the welding sequence that engages above-mentioned attaching parts.
Invention described in scheme 2, according to the invention described in scheme 1, is characterized in that, in above-mentioned surface treatment procedure, to form on the whole the mode of multiple grooves in above-mentioned junction, irradiates laser Multiple-Scan.
Scheme 3 described invention according to the invention described in scheme 2, it is characterized in that, in above-mentioned surface treatment procedure, irradiate laser in the mode that forms on the whole multiple grooves of the linearity being parallel to each other in above-mentioned junction.
Invention described in scheme 4, according to the invention described in scheme 2, is characterized in that, in above-mentioned surface treatment procedure, irradiates laser in the mode that forms on the whole ring-type and mutual Uncrossed concentric multiple grooves in above-mentioned junction.
Invention described in scheme 5 is according to the invention described in scheme 2, it is characterized in that, in above-mentioned surface treatment procedure, irradiate laser in the mode that forms on the whole more than first groove of the linearity that is parallel to each other in above-mentioned junction and form more than second groove of the linearity being parallel to each other in the direction of intersecting with above-mentioned more than first groove.
Invention described in scheme 6, according to the invention described in scheme 1, is characterized in that, in above-mentioned surface treatment procedure, to the whole surface irradiation laser of above-mentioned junction.
Effect of the present invention is as follows.
According to the invention described in scheme 1, utilizing before resistance welded is engaged in attaching parts the welding sequence of lateral surface of housing member, carry out surface treatment procedure, in this operation, laser is irradiated in the junction ring-type of its through hole of encirclement of the lateral surface to housing member, that engage with attaching parts, carries out surface treatment so that the state of this junction entirety becomes uniform mode.Therefore, in carrying out resistance welded, prune or removed the oxide-film of the junction engaging with attaching parts of the lateral surface of housing member, and having removed the attachments such as foreign material, it is even that the state of this junction entirety becomes.Thus, can carry out equably on the whole in junction resistance welded, the housing member that can obtain stainless steel system or aluminum is engaged in the more stable fluid correlation function device of the engagement state of attaching parts of this housing member with utilizing resistance welded.
According to the invention described in scheme 2, in surface treatment procedure, form on the whole the mode of multiple grooves with the junction at housing member, Multiple-Scan ground irradiates laser.Thus, compared with for example irradiating intermittently the such laser controlling of laser, can carry out the surface treatment of the junction of housing member by easy laser controlling.
According to the invention described in scheme 3, in surface treatment procedure, the mode that forms on the whole multiple grooves of the linearity being parallel to each other with the junction at housing member is irradiated laser.Thus, and for example irradiate intermittently the such laser controlling of laser, irradiate compared with the laser controlling of laser with curve-like, can carry out the surface treatment of the junction engaging with housing member by very easy laser controlling.
According to the invention described in scheme 4, in surface treatment procedure, the mode that forms ring-type and mutual Uncrossed concentric multiple grooves with the junction entirety at housing member is irradiated laser.Thus, compared with for example irradiating intermittently the such laser controlling of laser, can carry out the surface treatment of the junction engaging with housing member by easy laser controlling.
According to the invention described in scheme 5, in surface treatment procedure, form more than first groove of the linearity that is parallel to each other with the junction entirety at housing member and irradiate laser in the mode that the direction of intersecting with this more than first groove forms more than second groove of the linearity being mutually parallel to each other.Thus, and for example irradiate intermittently the such laser controlling of laser, irradiate compared with the laser controlling of laser with curve-like, can carry out the surface treatment of the junction of housing member by very easy laser controlling.And, can make the state of junction entirety of housing member more even.
According to the invention described in scheme 6, in surface treatment procedure, the whole surface irradiation laser of the junction to housing member.Thus, can seamlessly implement surface treatment to the whole face of the junction of housing member, can make the state of this junction entirety more even.
Brief description of the drawings
Fig. 1 is the longitudinal sectional view that utilizes the pressure switch of the manufacture method manufacture of an embodiment of the invention.
Fig. 2 is the figure of the structure of the cap member that possesses of the pressure switch of presentation graphs 1, Fig. 2 (a) is top view, and Fig. 2 (b) is the figure that amplified a part for the asperities handling part of Fig. 2 (a) (asperities handling part is made up of multiple grooves of the linearity being parallel to each other of junction of the lateral surface that is formed at cap member).
Fig. 3 is the figure of the welding sequence of the joint that possesses of the pressure switch of key diagram 1 and cap member, and Fig. 3 (a) is the longitudinal sectional view that represents the state before welding, and Fig. 3 (b) is the longitudinal sectional view that represents the state after welding.
Fig. 4 is the longitudinal sectional view that utilizes the valve gear of the manufacture method manufacture of another embodiment of the invention.
Fig. 5 is the figure of the structure of the housing member that possesses of the valve gear of presentation graphs 4, Fig. 5 (a) is top view, and Fig. 5 (b) is the figure that amplified a part for the asperities handling part of Fig. 5 (a) (asperities handling part is made up of multiple grooves of the linearity being parallel to each other of junction of the lateral surface that is formed at housing member).
Fig. 6 is the figure of the structure of the first variation of the cap member that possesses of the pressure switch of presentation graphs 1, Fig. 6 (a) is top view, and Fig. 6 (b) is the figure that amplified a part for the asperities handling part of Fig. 6 (a) (asperities handling part is made up of multiple grooves of concentric circles of junction of the lateral surface that is formed at cap member).
Fig. 7 is the figure of the structure of the second variation of the cap member that possesses of the pressure switch of presentation graphs 1, Fig. 7 (a) is top view, and Fig. 7 (b) is the figure that amplified a part for the asperities handling part of Fig. 7 (a) (asperities handling part is made up of more than first groove of the linearity being parallel to each other in one direction and more than second groove of the linearity that is parallel to each other in another direction of intersecting with a direction of junction of the lateral surface that is formed at cap member).
Fig. 8 is the top view of the structure of the 3rd variation of the cap member that possesses of the pressure switch of presentation graphs 1.
Fig. 9 is the partial sectional view of the structure of the variation of the pressure switch of presentation graphs 1.
In figure:
1-pressure switch (pressure sensitive device, fluid correlation function device), 2-valve gear (fluid correlation function device), 10-joint (attaching parts), the endoporus of 10A-joint, 11-adapter body portion, 12-wall portion, 13-cylindrical portion, 14-protuberance, 20-cap member (housing member), 21a-lateral surface (lateral surface of housing member), 21b-medial surface (medial surface of housing member), 23-through hole, 24-balancing gate pit (space of the medial surface side of housing member), 25, 25A, 25B, 25C-asperities handling part, 26, 26A-multiple grooves, 30-plectane, 40-limiting section, 50-switch portion, 60-outer cover, 61-shell, 70-shell (attaching parts), the endoporus of 70A-shell, 71-housing main body portion, 73-cylindrical portion, 74-protuberance, 75-valve chamber, 80-housing, 81-housing member, the lateral surface of 81a-housing member, the medial surface of 81b-housing member, 82-housing body, 83-through hole, 84-inner space (space of the medial surface side of housing member), 85-asperities handling part, 90-copper pipe (attaching parts), 91-copper pipe main body, 92-flange part, 93-cylindrical portion, 94-protuberance, S-junction.
Detailed description of the invention
(the first embodiment)
Below, with reference to Fig. 1～Fig. 3, pressure switch and the manufacture method thereof of the manufacture method manufacture that utilizes an embodiment of the invention are described.This pressure switch is that the pipe arrangement mobile with the fluid that is provided as detected object is connected, according to the pressure on-off switch contact of fluid as the example of pressure sensitive device of fluid correlation function device with the function relevant to fluid.
Fig. 1 is the longitudinal sectional view that utilizes the pressure switch of the manufacture method manufacture of an embodiment of the invention.Fig. 2 is the figure of the structure of the cap member that possesses of the pressure switch of presentation graphs 1, Fig. 2 (a) is top view, and Fig. 2 (b) is the figure that amplified a part for the asperities handling part of Fig. 2 (a) (asperities handling part is made up of multiple grooves of the linearity being parallel to each other of junction of the lateral surface that is formed at cap member).Fig. 3 is the figure of the welding sequence of the joint that possesses of the pressure switch of key diagram 1 and cap member, and Fig. 3 (a) is the longitudinal sectional view that represents the state before welding, and Fig. 3 (b) is the longitudinal sectional view that represents the state after welding.In addition, corresponding up and down with Fig. 1 of the concept of " up and down " in the following description, represents the relative position relationship of each parts not represent absolute position relationship.
As shown in Figure 1, the pressure switch of present embodiment (being represented by symbol 1 in figure) has as the joint 10 of attaching parts, as cap (キ ャ ッ プ) parts 20, plectane 30, limiting section 40, switch portion 50, outer cover 60 and the shell 61 of housing member.These component configuration become axle center to overlap with axis L.
Joint 10 for example forms taking metals such as brass as material.Form the material of joint 10 except brass, as long as carrying out with the material (stainless steel or aluminium) of the cap member described later 20 of the formation such as stainless steel, aluminium, copper, copper alloy the metal of resistance welded, its kind is arbitrarily.Joint 10 has adapter body portion 11, wall portion 12, cylindrical portion 13 and protuberance 14 integratedly.
Adapter body portion 11 is for example formed as the hexagonal tubular of nut type, and side face is formed with and the not shown internal thread 11a of being combined for the mobile pipe arrangement screw thread of fluid therein.
Wall portion 12 is wholely set with mode and this adapter body portion 11 of upper end in the figure of packed joint main part 11.Be provided with and the opposed tabular surface 12a of cap member 20 described later in wall portion 12, in addition, near the central authorities of wall portion 12, be provided with the guiding path 12b that connects the outside of wall portion 12 and the inner space 11b of adapter body portion 11.
Cylindrical portion 13 and adapter body portion 11 arranged coaxial, one end 13a is connected in the tabular surface 12a of wall portion 12.The inner space 13b of cylindrical portion 13 is communicated with the guiding path 12b of wall portion 12.In addition, joint 10 also can be for omitting the structure of cylindrical portion 13.
Protuberance 14 is the teats that surround mode that the circular and cross section of cylindrical portion 13 is chevron and be formed at the tabular surface 12a of wall portion 12.Protuberance 14 is configured to its center and overlaps with axis L.The front end of protuberance 14 spreads all over its complete cycle and utilizes solder joints in cap member 20 described later.
In joint 10, the inner space 13b of the inner space 11b of adapter body portion 11, the guiding path 12b of wall portion 12 and cylindrical portion 13 is interconnected and forms the endoporus 10A of joint 10.
Cap member 20 for example forms taking stainless steel as material.The material that forms cap member 20 can also be aluminium (comprising aluminium alloy) except stainless steel.Cap member 20 has the circular flange part 22 of bowl-shape bowl-shaped part 21 and periphery thereof integratedly.Be formed with the through hole 23 that connects its lateral surface 21a and medial surface 21b at bowl-shaped part 21 center.Insert the cylindrical portion 13 of joint 10 at the through hole 23 of cap member 20.Thus, the endoporus 10A of joint 10 and the namely space of the medial surface 21b side of cap member 20 of the 24(of balancing gate pit described later) be communicated with.
At in the lateral surface 21a of joint 10 sides and the junction S this joint 10 of the bowl-shaped part 21 of cap member 20, as shown in Figure 2 (a) shows, be formed with by Ear Mucosa Treated by He Ne Laser Irradiation and carried out the circular asperities handling part 25 of surface-treated.This asperities handling part 25 be formed as internal diameter, external diameter respectively with roughly the same circular of internal diameter, the external diameter of above-mentioned protuberance 14 that surrounds through hole 23.Asperities handling part 25 overlaps with junction S.
In the present embodiment, as shown in Fig. 2 (b), multiple grooves 26 of the linearity that asperities handling part 25 is formed as being parallel to each other by the lateral surface 21a of the bowl-shaped part 21 at cap member 20 form.These multiple grooves 26 by laser irradiating position one by one deviation groove spacing amount and carry out Multiple-Scan and form along a direction of regulation.The degree of depth of multiple grooves 26 is 1 μ m～5 μ m left and right.Cap member 20 is stainless steel (or aluminum), is therefore formed with oxide-film on surface, but at asperities handling part 25, the oxide-film or removed the attachments such as foreign material integrally evenly pruned, and the state of asperities handling part 25 entirety becomes even.This asperities handling part 25 utilizes welding and engages with the front end of the protuberance 14 of joint 10.Between the protuberance 14 of joint 10 and the asperities handling part 25 of cap member 20, be formed with the weld part α representing with double dot dash line.
Plectane 30 is for example made up of metals such as the stainless steels of film-form, and its middle body is formed as the spherical shape of larger radius of curvature, and peripheral part is formed as smooth discoideus.Upside overlay configuration in the mode that plectane 30 protrudes to cap member 20 sides with its middle body and the figure of cap member 20.In addition, overlapping by plectane 30 and cap member 20, thereby between the bowl-shaped part 21 of plectane 30 and plectane 30 mineralization pressure chamber 24.
Limiting section 40 forms taking metals such as such as stainless steels as material, and external diameter and plectane 30 are roughly the same, are formed as being provided with the circular of opening 41 in central authorities.Limiting section 40 be configured to the figure of plectane 30 in upside overlapping.When pressure in balancing gate pit 24 is discontented with predefined setting pressure, plectane 30 keeps the spherical shape of its middle bodies, forms gap thus between limiting section 40 and plectane 30.In addition, the pressure in balancing gate pit 24 is above-mentioned setting pressure when above, the spherical shape distortion of the middle body of plectane 30 and overlapping with limiting section 40, the gap disappearance between limiting section 40 and plectane 30., limiting section 40 limits the distortion of plectane 30.Cap member 20, plectane 30 and limiting section 40 overlay configuration successively, and peripheral part separately spreads all over complete cycle and is welded to each other and is integrated.
Switch portion 50 has: the guide 51 that is formed with axis hole 51a in central authorities; Be intercalated in the axle 52 in the axis hole 51a of guide 51; And be embedded in the terminal board cylindraceous 53 of the surrounding of guide 51.On terminal board 53, be fixed with the first terminal 54 and the second terminal 55, at the first terminal 54, contact panel 54a be installed.And, at contact panel 54a, the first contact 54b is installed, at the second terminal 55, the second contact 55a is installed.Switch portion 50 overlay configuration upside in the figure of limiting section 40.In addition, at the state that arranges of the pressure switch 1 shown in Fig. 1 (particularly, with respect to axle 52, contact panel 54a in vertical direction top, the arrange state of plectane 30 in vertical direction below) under, in the figure of the axle 52 of switch portion 50 one end of upside be provided with some spaces (interval) with contact panel 54a approach, in figure, the other end of downside is connected to the central authorities of plectane 30.
Outer cover 60 is for example made up of stainless steel or thin plate made of copper, is fixedly connected with cap member 20, plectane 30, limiting section 40 and terminal board 53 peripheral part separately by riveting.
Shell 61 forms taking such as synthetic resin etc. as material, embed have switch portion 50 from the outstanding part of outer cover 60.Be provided with pair of lead wires 62,63 at shell 61, by flush switch portion 50, thereby the first terminal 54 of switch portion 50 and the second terminal 55 are connected with this pair of lead wires 62,63.
According to above structure, pressure switch 1 imports to fluid via joint 10 in the balancing gate pit 24 of cap member 20, and plectane 30 is correspondingly out of shape with the pressure of fluid and by last item 52.And, in the time that pressure reaches predefined setting pressure, the first contact 54b and axle 52 interlocks and leave from the second contact 55a, switch cuts out (OFF).The pressure that thus, can detect fluid has reached setting pressure.
Then, with reference to Fig. 2, Fig. 3, the manufacture method to above-mentioned pressure switch example describes.
(1: surface treatment procedure) first, as shown in Fig. 2 (a), Fig. 2 (b), to cap member 20 the junction S engaging with this joint 10 in the lateral surface 21a of joint 10 sides of bowl-shaped part 21 irradiate laser, form circular asperities handling part 25.Particularly, to laser irradiating position one by one deviation groove spacing amount and carry out Multiple-Scan along a direction of regulation, form multiple grooves 26 of the linearity being parallel to each other in junction S entirety, thereby form the asperities handling part 25 being formed by these multiple grooves 26.
At the asperities handling part 25 forming by above-mentioned surface treatment procedure, the oxide-film and removed the attachments such as foreign material pruned equably on the whole, makes the state of asperities handling part 25 entirety become even.
(2: welding sequence) then, as shown in Fig. 3 (a), insert the cylindrical portion of joint 10 13 through hole 23 of cap member 20, make the front end of protuberance 14 and asperities handling part 25 butts of cap member 20 of joint 10.Then, under this state, apply voltage to joint 10 and cap member 20.Thus, the front end of protuberance 14 and the asperities handling part 25 of cap member 20 of electric current by joint 10 flows to joint 10 and cap member 20, and the front end of the protuberance 14 of joint 10 and the asperities handling part 25 of cap member 20 utilize heating that this electric current causes and melting be welded to each other (, resistance welded) and be engaged.
In above-mentioned welding sequence, owing to making the state of asperities handling part 25 entirety become evenly in the surface treatment procedure before it, therefore streaming current and welding equably between the front end of protuberance 14 of joint 10 and the asperities handling part 25 of cap member 20.Thus, between the protuberance 14 of joint 10 and the asperities handling part 25 of cap member 20, form weld part α.
(3: assembling procedure) then, hold welding body that cap member 20, plectane 30 and the mutual one of limiting section 40 be welded and a part for switch portion 50 successively overlappingly in outer cover 60, and the both ends of riveted casing 60 and these parts are fixed.And, shell 61 be embedded in switch portion 50 from the outstanding part of outer cover 60, the first terminal 54 of switch portion 50 and the second terminal 55 are connected with this pair of lead wires 62,63.Like this, completed pressure switch 1.
As described above, the manufacture method of the pressure switch 1 of present embodiment is the manufacture method that possesses the pressure switch of the cap member 20 of brazen joint 10 and stainless steel, and this joint 10 is formed with and the endoporus 10A being connected for the mobile pipe arrangement of fluid; This cap member 20, at lateral surface 21a junction joint 10, is formed with the through hole 23 that makes the endoporus 10A of this joint 10 that be communicated with the balancing gate pit 24 of medial surface 21b side, connects lateral surface 21a and medial surface 21b.And, this manufacture method comprises following operation: the junction S engaging with joint 10 to the ring-type of the encirclement through hole 23 of the lateral surface 21a of cap member 20 irradiates laser, carries out surface-treated surface treatment procedure so that the state of this junction S entirety becomes uniform mode; And under the state that the endoporus 10A of joint 10 and the through hole 23 of cap member 20 are communicated with, undertaken, on the complete cycle of the junction S after above-mentioned surface treatment, utilizing electric resistance welding to fetch the welding sequence of junction joint 10 by surface treatment procedure.
In addition, in surface treatment procedure, to form the mode of multiple grooves 26 in junction S entirety, Multiple-Scan ground irradiates laser and forms asperities handling part 25.
In addition, in surface treatment procedure, form in junction S entirety the asperities handling part 25 being formed by multiple grooves 26 of the linearity being parallel to each other.
As mentioned above, according to present embodiment, before utilizing the welding sequence of resistance welded junction joint 10 on cap member 20, have to the junction S engaging with joint 10 of cap member 20 and irradiate laser, and carry out surface-treated surface treatment procedure so that the state of this junction S entirety becomes uniform mode.Therefore, in carrying out resistance welded, prune or removed the oxide-film of the junction S engaging with joint 10 of cap member 20, and removed the attachments such as foreign material, thereby the state of this junction S entirety becomes even.Thus, can carry out equably on the whole resistance welded at junction S, the cap member 20 that can obtain stainless steel system is engaged in the more stable pressure switch 1 of the engagement state of the joint 10 on this cap member 20 with utilizing resistance welded.
In addition, in surface treatment procedure, form the mode of multiple grooves 26 with the junction S entirety at cap member 20, Multiple-Scan ground irradiates laser.Thus, for example, compared with the laser controlling such with irradiating intermittently laser, can carry out by easy laser controlling the surface treatment of the junction S of cap member 20.
In addition, in surface treatment procedure, the mode that forms multiple grooves 26 of the linearity being parallel to each other with the junction S entirety at cap member 20 is irradiated laser.Thus, for example the laser controlling such with irradiating intermittently laser, irradiate compared with the laser controlling of laser curve-like, can carry out the surface treatment of the junction S of cap member 20 by very easy laser controlling.
(the second embodiment)
Below, with reference to Fig. 4, Fig. 5, valve gear and the manufacture method thereof of the manufacture method manufacture that utilizes an embodiment of the invention are described.As the valve gear of this fluid correlation function device, the pipe arrangement mobile with supplying fluid is connected, and is controlled at the flow of fluid mobile in this pipe arrangement.
Fig. 4 is the longitudinal sectional view that utilizes the valve gear of the manufacture method manufacture of another embodiment of the invention.Fig. 5 is the figure of the structure of the housing member that possesses of the valve gear of presentation graphs 4, Fig. 5 (a) is top view, and Fig. 5 (b) is the figure that amplified a part for the asperities handling part of Fig. 5 (a) (asperities handling part is made up of multiple grooves of the linearity being parallel to each other of junction of the lateral surface that is formed at housing member).In addition, below corresponding up and down with Fig. 4 of the concept of " up and down " in explanation, represents the relative position relationship of each parts not represent absolute position relationship.
As shown in Figure 4, the valve gear of present embodiment (being represented by symbol 2 in figure) has shell 70 and the housing 80 as attaching parts.These component configuration become axle center to overlap with axis L.
Shell 70 is roughly cylindric as material is configured to taking metals such as such as brass.Form the material of shell 70 except brass, as long as carrying out resistance welded with the material (stainless steel or aluminium) of the formation housing 80 described later such as stainless steel, aluminium, copper, copper alloy, its kind is arbitrarily.Shell 70 has housing main body portion 71, cylindrical portion 73 and protuberance 74.
Housing main body portion 71 is formed as for example cylindric, is formed with valve chamber 75 in inner side.In addition, at the perisporium 71a of shell main part 71, be installed with the first pipe arrangement H1 in the mode being communicated with valve chamber 75 by first 76.The 71b of wall portion below in the figure of shell main part 71, is installed with the second pipe arrangement H2 in the mode being communicated with valve chamber 75 by second mouthful 77.In addition, in the figure of housing main body portion 71, the end face 71c of top is tabular surface.
Cylindrical portion 73 and housing main body portion 71 arranged coaxial, one end 73a is connected in end face 71c.The inner space 73b of cylindrical portion 73 is communicated with valve chamber 75.In addition, shell 70 can be also the structure of having omitted cylindrical portion 73.
Protuberance 74 is the teats that surround mode that the circular and cross section of cylindrical portion 73 is chevron and be formed at the end face 71c of housing main body portion.Protuberance 74Yi Qi center configures with the mode that axis L overlaps.The front end of protuberance 74 spread all over its complete cycle by solder joints in housing member 81 described later.
In shell 70, the inner space 73b of the valve chamber 75 of housing main body portion 71, first 76 and second mouthful 77 and cylindrical portion 73 forms the endoporus 70A of shell 70.
Housing 80 is for example configured to roughly cylindric taking stainless steel as material.Forming the material of housing 80 except stainless steel, can be also aluminium (comprising aluminium alloy).Housing 80 has the housing body 82 of discoideus housing member 81 and cup-shaped.With regard to housing body 82, the bottom of cup-shaped is arranged in figure top, and in the mode of the opening of the end of below in occlusion map, housing member 81 is waited and is fixedly mounted on this end by welding.There is the through hole 83 that connects its lateral surface 81a and medial surface 81b at the central opening of housing member 81.Insert the cylindrical portion 73 of shell 70 at the through hole 83 of housing member 81.Thus, the namely space of the medial surface 81b side of housing member 81 of the endoporus 70A of shell 70 and the inner space 84(of housing body 82) be communicated with.
At the junction S engaging with this shell 70 in the lateral surface 81a of shell 70 sides of housing member 81, as shown in Fig. 5 (a), be formed with by Ear Mucosa Treated by He Ne Laser Irradiation and carried out the circular asperities handling part 85 of surface-treated.This asperities handling part 85 be formed as internal diameter, external diameter respectively with roughly the same circular of internal diameter, the external diameter of above-mentioned protuberance 74 that surrounds through hole 83.Asperities handling part 85 overlaps with junction S.
In the present embodiment, as shown in Fig. 5 (b), asperities handling part 85 is made up of multiple grooves 86 of the linearity that is formed as being parallel to each other.These multiple grooves 86 by laser irradiating position one by one deviation groove spacing amount and carry out Multiple-Scan and form along a direction of regulation.The degree of depth of multiple grooves 86 is 1 μ m～5 μ m left and right.Housing member 81 is stainless steel (or aluminum), is therefore formed with oxide-film on surface, but at asperities handling part 85, and the oxide-film or removed the attachments such as foreign material pruned equably on the whole, makes the state of asperities handling part 85 entirety become even.This asperities handling part 85 engages with the front end of the protuberance 74 of shell 70 by welding.Between the protuberance 74 of shell 70 and the asperities handling part 85 of housing member 81, be formed with the weld part α representing with double dot dash line.
In addition, valve gear 2 is equipped with not shown valve body in the valve chamber 75 of shell 70, is equipped with the not shown driving mechanism of driving valve body etc. in the housing body 82 of housing 80.
According to above structure, valve gear 2 utilizes not shown driving mechanism to drive valve body.And, this valve body in close as second mouthful 77 of valve port close valve position time, the flow volume importing to from the first pipe arrangement H1 in the valve chamber 75 of shell 70 exists in valve chamber 75, is prevented to the second the mobile of pipe arrangement H2.In addition, valve body in open second mouthful 77 drive valve position time, the fluid importing to from the first pipe arrangement H1 in the valve chamber 75 of shell 70 flows to the second pipe arrangement H2 by second mouthful 77.
Secondly, describe with reference to an example of Fig. 5 (a), the manufacture method of Fig. 5 (b) to above-mentioned valve gear.
(1: surface treatment procedure) first, as shown in Fig. 5 (a) and (b), irradiates laser to the junction S engaging with this shell 70 in the lateral surface 81a of shell 70 sides of housing member 81, forms circular asperities handling part 85.Particularly, by to laser irradiating position one by one deviation groove spacing amount and along regulation a direction carry out Multiple-Scan, on whole junction S, form multiple grooves 26 of the linearity being parallel to each other, thereby form the asperities handling part 85 being formed by these multiple grooves 86.
The asperities handling part 85 being formed by above-mentioned surface treatment procedure, the oxide-film removed the attachments such as foreign material pruned equably on the whole, makes the state of asperities handling part 85 entirety become even.
(2: welding sequence) then, insert the cylindrical portion of shell 70 73 through hole 83 that is mounted to housing body 82 housing member 81 before, and make the front end of protuberance 74 and asperities handling part 85 butts of housing member 81 of shell 70.Then,, under this state, shell 70 and housing member 81 are applied to voltage.Thus, the front end of protuberance 74 of electric current by shell 70 and the asperities handling part 85 of housing member 81 and flow to shell 70 and housing member 81, due to the heating that this electric current causes, the front end of the protuberance 74 of shell 70 is welded to each other (, resistance welded) with asperities handling part 85 meltings of housing member 81 and engages.
In above-mentioned welding sequence, owing to making the state of asperities handling part 85 entirety become evenly in the surface treatment procedure before it, therefore streaming current and welding equably between the front end of protuberance 74 of shell 70 and the asperities handling part 85 of housing member 81.Thus, between the protuberance 74 of shell 70 and the asperities handling part 85 of housing member 81, form weld part α.
(3: assembling procedure) afterwards, after arranging not shown driving mechanism, install not shown valve body at this driving mechanism in housing body 82.And, in the mode of the opening of inaccessible housing body 82, utilize laser weld etc. that housing member 81 is welded in to housing body 82.Like this, completed valve gear 2.
As described above, the manufacture method of the valve gear 2 of present embodiment is the manufacture method that possesses the valve gear 2 of the housing member 81 of brazen shell 70 and stainless steel, and this shell 70 is formed with and the endoporus 70A being connected for the mobile pipe arrangement of fluid; This housing member 81 engages shell 70 at lateral surface 81a, is formed with the through hole 83 that the endoporus 70A that makes this shell 70 and the inner space 84 of the housing body 82 of medial surface 81b side are communicated with and connect lateral surface 81a and medial surface 81b.And, this manufacture method comprises following operation: the junction S engaging with shell 70 to the ring-type of the encirclement through hole 83 of the lateral surface 81a of housing member 81 irradiates laser, carries out surface-treated surface treatment procedure so that the state of this junction S entirety becomes uniform mode; And under the state that the endoporus 70A of shell 70 and the through hole 83 of housing member 81 are communicated with, in surface treatment procedure, carried out on the complete cycle of above-mentioned surface-treated junction S, utilize electric resistance welding to fetch the welding sequence that engages shell 70.
In addition, in surface treatment procedure, to form on the whole the mode of multiple grooves at junction S, Multiple-Scan ground irradiates laser and forms asperities handling part 85.
In addition, in surface treatment procedure, form on the whole the asperities handling part 85 being formed by multiple grooves 26 of the linearity being parallel to each other at junction S.
As mentioned above, according to present embodiment, utilizing before shell 70 is engaged in the welding sequence of housing member 81 by resistance welded, have to the junction S engaging with shell 70 of housing member 81 and irradiate laser, and become uniform mode with the state of this junction S entirety and carry out surface-treated surface treatment procedure.Therefore,, in carrying out resistance welded, prune or removed the oxide-film of the junction S engaging with shell 70 of housing member 81, and having removed the attachments such as foreign material, thereby the state of this junction S entirety becomes even.Thus, can carry out equably resistance welded at whole junction S, the housing member 81 that can obtain stainless steel system is engaged in the more stable valve gear 2 of the engagement state of the shell 70 on this housing member 81 with utilizing resistance welded.
In addition, in surface treatment procedure, form on the whole the mode of multiple grooves 26 with the junction S at housing member 81, Multiple-Scan ground irradiates laser.Thus, for example, compared with the laser controlling such with irradiating intermittently laser, can carry out by easy laser controlling the surface treatment of the junction S of housing member 81.
In addition, in surface treatment procedure, the mode that forms multiple grooves 26 of the linearity being parallel to each other with the junction S entirety at housing member 81 is irradiated laser.Thus, for example the laser controlling such with irradiating intermittently laser, irradiate compared with the laser controlling of laser curve-like, can carry out the surface treatment of the junction S of housing member 81 by very simple laser controlling.
Above, taking preferred embodiment as example describes the present invention, but the manufacture method of fluid correlation function device of the present invention is not limited to the structure of above-mentioned embodiment.
For example, in the first above-mentioned embodiment, be in surface treatment procedure, irradiate the manufacture method of laser in the mode that forms on the whole multiple grooves of the linearity being parallel to each other at junction S, but be not limited thereto.
In above-mentioned surface treatment procedure, also can irradiate laser in the mode that forms on the whole ring-type and mutual Uncrossed concentric multiple grooves at junction S.By like this, as shown in Fig. 6 (a), Fig. 6 (b), form the asperities handling part 25A being formed by ring-type and mutual Uncrossed concentric multiple groove 26A.Thus, for example, compared with the laser controlling such with irradiating intermittently laser, can carry out the surface treatment of junction S by easy laser controlling.
Or, in surface treatment procedure, also can irradiate laser in the mode of more than second groove 262 of the linearity that forms on the whole more than first groove 261 of the linearity that is parallel to each other at junction S and be parallel to each other in the direction of intersecting with more than first groove 261.By like this, as shown in Fig. 7 (a), Fig. 7 (b), form the asperities handling part 25B that more than second groove 262 of the linearity being parallel to each other by more than first groove 261 of the linearity being parallel to each other, in the direction of intersecting with more than first groove 261 forms.Thus, for example the laser controlling such with irradiating intermittently laser, irradiate compared with the laser controlling of laser curve-like, can carry out the surface treatment of junction S with very easy laser controlling.And, can make the state of junction S entirety more even.
Or, in surface treatment procedure, also can be to the whole surface irradiation laser of junction S.By like this, as shown in Figure 8, form the asperities handling part 25C of whole of the junction S that pruned.Thus, can seamlessly implement surface treatment to the whole face of junction S, therefore can make the state of this junction S entirety more even.
Or, in surface treatment procedure, also can make laser lamp constant speed move while junction S entirety is irradiated to laser intermittently.By like this, form the asperities handling part being formed by the multiple holes that are spaced from each other the globule decorative pattern shape that compartment of terrain arranges.
In addition, about the distortion of these surface treatment procedures, also can similarly be applicable to the second above-mentioned embodiment.
In addition, in the first above-mentioned embodiment, using as joint 10 resistance welded of attaching parts in cap member 20, but and be defined in this, also can be as represent in Fig. 9 example, replace joint 10, and using as copper pipe 90 resistance welded of attaching parts in cap member 20.This copper pipe 90 have copper pipe main body 91, arrange in the figure top end flange part 92, be arranged on the cylindrical portion 93 of this end and be arranged on the protuberance on the face of cap member 20 sides 94 of flange part 92.
Then, the cylindrical portion of copper pipe 90 93 is inserted to the through hole 23 of cap member 20, make the front end of protuberance 94 and asperities handling part 25 butts of cap member 20 of copper pipe 90.Then, under this state, copper pipe 90 and cap member 20 are applied to voltage.Thus, the front end of protuberance 94 of electric current by copper pipe 90 and the asperities handling part 25 of cap member 20 and flow at copper pipe 90 and cap member 20, because of the heating that this electric current causes, the front end of the protuberance 94 of copper pipe 90 is welded to each other (, resistance welded) and engages with asperities handling part 25 meltings of cap member 20.Like this, as long as without prejudice to object of the present invention, the structure of attaching parts is arbitrarily.
In addition, in the first embodiment, as an example of the pressure sensitive device of fluid correlation function device, pressure switch is illustrated, but, for example in pressure sensor, also possess in the identical structure of joint 10 and cap member 20, also can apply the present invention to the pressure sensor as pressure sensitive device.
In addition, above-mentioned embodiment has only represented representational mode of the present invention, and the present invention is not limited to embodiment., those skilled in the art are according to known knowledge and opinion in the past, can carry out without departing from the spirit and scope of the invention various changes enforcement.According to this distortion, as long as still possess the structure of the manufacture method of fluid correlation function device of the present invention, be certainly contained in category of the present invention.
Claims (6)
1. the manufacture method of a fluid correlation function device, this fluid correlation function device has the function relevant to fluid and possesses metal attaching parts and the housing member of stainless steel or aluminum, these attaching parts are formed with and the endoporus being connected for the mobile pipe arrangement of fluid, this housing member is the above-mentioned attaching parts of engage sides outside, and be formed with the endoporus through hole that be communicated with the space of medial surface side, that connect above-mentioned lateral surface and above-mentioned medial surface that makes these attaching parts, the manufacture method of above-mentioned fluid correlation function device is characterised in that
Comprise following operation:
Laser is irradiated in the junction engaging with above-mentioned attaching parts to the ring-type of the above-mentioned through hole of encirclement of the lateral surface of above-mentioned housing member, carries out surface-treated surface treatment procedure so that the state of this junction entirety becomes uniform mode; And
Under the state that the endoporus of above-mentioned attaching parts and the through hole of above-mentioned housing parts are communicated with, in above-mentioned surface treatment procedure, carry out on the complete cycle of the above-mentioned junction of above-mentioned surface-treated, utilized electric resistance welding to fetch the welding sequence that engages above-mentioned attaching parts.
2. the manufacture method of fluid correlation function device according to claim 1, is characterized in that,
In above-mentioned surface treatment procedure, to form on the whole the mode of multiple grooves in above-mentioned junction, Multiple-Scan ground irradiates laser.
3. the manufacture method of fluid correlation function device according to claim 2, is characterized in that,
In above-mentioned surface treatment procedure, irradiate laser in the mode that forms on the whole multiple grooves of the linearity being parallel to each other in above-mentioned junction.
4. the manufacture method of fluid correlation function device according to claim 2, is characterized in that,
In above-mentioned surface treatment procedure, irradiate laser in the mode that forms on the whole ring-type and mutual Uncrossed concentric multiple grooves in above-mentioned junction.
5. the manufacture method of fluid correlation function device according to claim 2, is characterized in that,
In above-mentioned surface treatment procedure, irradiate laser in the mode that forms on the whole more than first groove of the linearity that is parallel to each other in above-mentioned junction and form more than second groove of the linearity being parallel to each other in the direction of intersecting with above-mentioned more than first groove.
6. the manufacture method of fluid correlation function device according to claim 1, is characterized in that, in above-mentioned surface treatment procedure, to the whole surface irradiation laser of above-mentioned junction.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2013014005A JP2014144469A (en) | 2013-01-29 | 2013-01-29 | Manufacturing method of fluid-related function device |
| JP2013-014005 | 2013-01-29 |
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| CN103962722A true CN103962722A (en) | 2014-08-06 |
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| JP5854979B2 (en) | 2012-12-21 | 2016-02-09 | 株式会社鷺宮製作所 | Joining method for refrigerant circuit components |
| JP6263286B1 (en) * | 2017-01-13 | 2018-01-17 | 日本特殊陶業株式会社 | Manufacturing method of spark plug |
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| JP2014144469A (en) | 2014-08-14 |
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Application publication date: 20140806 |