CN101513700A - Manufacturing method for coated metal by welding - Google Patents
Manufacturing method for coated metal by welding Download PDFInfo
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- CN101513700A CN101513700A CNA2009100080274A CN200910008027A CN101513700A CN 101513700 A CN101513700 A CN 101513700A CN A2009100080274 A CNA2009100080274 A CN A2009100080274A CN 200910008027 A CN200910008027 A CN 200910008027A CN 101513700 A CN101513700 A CN 101513700A
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Abstract
The invention provides a manufacturing process for coated metal member by welding, which is low in cost and easy for manufacturing, having great antirust effect at the welding portion. A metal box body and a metal hinge are welded in contact. After coating conductive paint on welding positions of the hinge corresponding to welding positions of the box body and the cover, these welding positions are aligned, the electrode of the contact welding abuts against the uncoated positions of the box body, the cover and the hinge, electricity is applied, and two welding positions are welded by the conductive paint. Then uncoated positions of the box body, the cover, and the hinge are coated. Even rain or moist air intrudes into the welding position of the box body and the hinge, durability reduction and appearance deterioration due to rust can be prevented because of antirust performance obtained by coating conductive paint before welding. Therefore there is no need to worry about damage to other coating portion during welding operation, and coating to uncoated positions can be simply executed.
Description
Technical field
The present invention relates to a kind of manufacture method that adopts the coated metal of welding, make when between to metal parts, welding, can be prevented the effect that welding back metal parts gets rusty.
Background technology
In the past, in vehicle etc., as with articulate method between the metal parts, the known method that riveted and fixed is arranged after metal parts is implemented application or plating, will be joined together (for example patent documentation 1) by rivet usually between the metal parts.
Yet, when using rivet, have head because of rivet to expose and diminish outward appearance or need avoid its head, thereby the use of rivet is restricted and has situation about can't use.
On the other hand, though the welding between the metal parts is not subjected to the restriction of above-mentioned situation, but be difficult to tackle the antirust processing of welding assembly,, have in the welding position because rainwater etc. immerse problems such as the long-time generation of process rainwater current mark only by after welding, exposed portions serve being carried out application.
For such problem, motion has following method: form the resin molding that is made of thermoplastic resin and electric conductivity short fiber on iron plate, thereby after part beyond the resin molding being carried out electrodeposition coating formation electrodeposition coating film, described resin molding part is overlapped with it, make to be in contact with one another between the described electric conductivity short fiber and to switch on, thereby contact welding (for example patent documentation 2).
Patent documentation 1: TOHKEMY 2004-155371 communique
Patent documentation 2: Japanese kokai publication sho 64-65297 communique
In the method that adopts above-mentioned contact welding, though can in produced in small quantities, produce the rust-preventing characteristic good quality production, owing to adopted the special resins film, be envisioned that cost can rise.In addition, owing to be to weld behind electrodeposition coating, the heat when therefore welding may exert an influence to electrodeposition coating.
Summary of the invention
The present invention puts to make in view of the above problems, and its purpose is to provide a kind of cheapness, easy to manufacture and to the manufacture method of the coated metal of the good employing welding of the rust-proof effect of welding position.
In order to reach above-mentioned purpose, in first invention is a kind of manufacture method that adopts the coated metal of welding, it is that metal matrix part is contacted welding with metal accessory, it is characterized in that, after to coating conductive coating paint in the welding position corresponding described accessory with welding position described matrix part, with these welding position alignment, the electrode of contact welding is abutted to the not application part and the energising of matrix part and accessory, via described conductive coating paint two welding positions are welded, then, application is partly carried out in the not application of described matrix part and accessory.
In addition, second invention is characterised in that, described matrix part is a casing of being located at outside vehicle, but described accessory is lid that supports described casing and the hinge that makes described lid freely openable, described conductive coating paint contains the electric conductivity powder, and the coating that uses in the application of described not application part is non-conductive coating.
In addition, the 3rd invention is characterised in that, described matrix part is a metal casing of being located at outside vehicle, but described accessory is lid that supports described casing and the hinge that makes described lid freely openable, described welding position is the installation opposite face of described casing and described hinge and the installation opposite face of described lid and described hinge, to described opposite face respectively be installed be coated with described conductive coating paint after, carry out described contact welding, described hinge and described casing are carried out arc welding, after carrying out described contact welding and arc welding, application is partly carried out in the not application of described casing and described hinge.
In addition, the 4th invention is characterised in that powder body coating is partly carried out in described not application, and the heat resisting temperature of described conductive coating paint is more than the sintering temperature of described powder body coating.
In addition, the 5th invention is characterised in that described conductive coating paint contains the electric conductivity powder, and the coating that uses in the application of described not application part is non-conductive coating.
According to of the present invention first manufacture method of inventing the coated metal of described employing welding, even rainwater or humid air etc. are immersed in the welding position of matrix part and accessory, owing to can obtain antirust performance by the conductive coating paint of coating before welding, therefore can prevent because the durability that causes of getting rusty reduces and the outward appearance deterioration, in addition, owing to be after welding, application partly to be carried out in application not, therefore can partly produce damage to other applications in the time of weld job need not being worried, and then, can carry out this not application of application part easily.
In addition, according to second manufacture method of inventing the coated metal of described employing welding, even rainwater or humid air etc. are immersed in the welding position of casing and hinge, owing to can obtain antirust performance by the conductive coating paint that contains the electric conductivity powder of coating before welding, therefore can prevent because the durability that causes of getting rusty reduces and the outward appearance deterioration, in addition, owing to be after welding, application partly to be carried out in application not, therefore can partly produce damage to other applications in the time of weld job need not being worried, and then, can carry out this not application of application part easily.
In addition, according to the 3rd manufacture method of inventing the coated metal of described employing welding, on the basis of first effect of inventing, for the casing that is located at outside vehicle, obtained rust-proof effect, thereby, even make rainwater etc. be immersed in the welding position, also can prevent to get rusty owing to exposing.
In addition, according to the manufacture method of the coated metal of the described employing of the 4th invention welding, on the basis of the effect of first invention, can conductive coating paint not exerted an influence because of the heat that applies when the powder body coating.
In addition, according to the 5th manufacture method of inventing the coated metal of described employing welding, on the basis of the 3rd or the 4th effect of inventing, can obtain electric conductivity by the electric conductivity powder, on the other hand, owing to adopted non-conductive coating, the application after the welding to become cheap.
Description of drawings
Fig. 1 is the exploded perspective view of the hinge of embodiments of the invention 1.
Fig. 2 is the cutaway view that the installment state of hinge is shown according to embodiments of the invention 1.
Fig. 3 is the front view of the hinge of embodiments of the invention 1.
Fig. 4 is the cutaway view of the hinge of embodiments of the invention 1.
Fig. 5 is the stereogram of anticreep ca(u)lk portion of the hinge of embodiments of the invention 1.
Fig. 6 is the cutaway view of major part of the hinge of embodiments of the invention 1.
Fig. 7 illustrates the cutaway view that hinge is installed to the installation procedure of lid according to embodiments of the invention 1.
Fig. 8 illustrates the stereogram that casing is installed to the installment state on the vehicle according to embodiments of the invention 1.
Fig. 9 is the rearview of the casing of embodiments of the invention 1.
Figure 10 is the cutaway view of stage portion of the side plate of embodiments of the invention 1.
Figure 11 is the upward view of the casing of embodiments of the invention 1.
Figure 12 is the cutaway view along the I-I line of Figure 11 of embodiments of the invention 1.
Figure 13 is the front view that the preceding casing of opening/closing lock device is installed according to embodiments of the invention 1.
Figure 14 is the summary side view of the painting device of embodiments of the invention 2.
Figure 15 is the cutaway view along the A-A line of Figure 14 of embodiments of the invention 2.
Label declaration
2: casing (matrix part); 2U: flanging portion; 3: switching portion; 4: lid (matrix part); 5: hinge (accessory); 6: base plate; 7: side plate; 7M: solder side (installation opposite face); 8: vehicle; 9: mounting table; 10: plate-shaped member; 10A: plate-shaped member; 16: solder side (installation opposite face); 16A: solder side (installation opposite face); 22M: solder side (installation opposite face).
The specific embodiment
Below, with reference to accompanying drawing, the preferred embodiments of the present invention are described.
[embodiment 1]
Below, with reference to accompanying drawing, the preferred embodiments of the present invention are described.Fig. 1～shown in Figure 13, but the metal casing 2 that the end arranged has the lid 4 of its upper opening portion 3 of switching and will cover 4 and is supported on the described case 2 and makes the hinge 5 of its freely openable.In this example, casing 2 is a matrix part, and hinge 5 is an accessory.In addition, described casing 2 comprises base plate 6 and four side plates 7, and shown in Fig. 8 waited, described casing 2 was installed on mounting table 9 grades at rear portion of vehicles 8 such as motor bike.In addition, the thickness that forms the metallic plate of described casing 2 and lid 4 is 0.8 millimeter.
As Fig. 1, Fig. 3～shown in Figure 5, described hinge 5 has pair of plate- shaped parts 10,10A, this has a plurality of binding tubes 11, the 11A of the configuration of devices spaced apart ground to plate- shaped member 10,10A, these link tube 11,11A is positioned at the position of staggering mutually, in the gap of the binding tube 11,11 of the plate-shaped member 10 of a side, binding tube 11A, the 11A of the plate-shaped member 10A of opposite side disposed in insertion, and inserts the binding tube 11 of configuration one side in the gap of opposite side binding tube 11A, 11A.In this example, metal thin plate 12 is bent and is overlapped, and its bending part forms tubular, forms described binding tube 11,11A by removing the part corresponding with described interval.This all is identical structure to plate- shaped member 10,10A except that the configuration difference that links tube 11,11A.In addition, also can be before described thin plate 12 be bent, application conductive coating paint described later on the surface of bending and coincidence.
In addition, described hinge 5 has metal connecting axle 17, under the state of core alignment, described connecting axle 17 is inserted into described binding tube 11,11A, 11,11A ... in, and the both ends that link tube 11 are carried out ca(u)lk, form anticreep ca(u)lk 13 (Fig. 5) of portion.In addition, also can be before insertion in advance at one end portion form anticreep ca(u)lk portion 13, after insertion, form anticreep ca(u)lk portion 13 in the other end of inserting side.In addition, on described plate- shaped member 10,10A, run through being provided with a plurality of holes 14,14A, in this example, respectively run through being provided with three transversely arranged holes 14,14A.In addition, the thickness of described thin plate 12 for example is 0.4 millimeter, and the thickness of described plate- shaped member 10,10A is 0.8 millimeter.In addition, under the user mode of hinge 5, the hole 14A of plate-shaped member 10A is positioned at the position of leaning on the top than the hole 14 of plate-shaped member 10 slightly.
The upper limb of described casing 2 turns back and the 2U of flanging portion in forming on complete cycle to the inside, and the outer surface of upper of the side plate 7 on one side in the long limit of described peristome 3 is equipped with the plate-shaped member 10 of described hinge 5.In addition, under the closing cap state, hinge 5 is installed in the mode that binding tube 11,11A are in downside.In addition, as shown in Figure 6, be formed with corresponding location roughly cylindraceous, a plurality of and described hole 14 on the top of the side plate 7 that described hinge 5 is installed with protuberance 15, the front end closure of this protuberance 15.Described protuberance 15 carries out punch process by the sheet material to side plate 7 and implements the processing that outside face side bloats forming, and the diameter of described protuberance 15 is slightly littler than the diameter in described hole 14, and it highly forms 1 millimeter ± 0.2 millimeter.An example is that the diameter of protuberance 15 is roughly 5 millimeters.
Described lid 4 has upper plate portion 21 and four side plates 22, in being formed with the roughly similar outer stage portion 23 of shape and this upper plate portion 21 and being located at this outer stage portion 23 by punch process on the board 21 thereon and shape and length on upper plate portion 21 length directions longer interior stage portion 24 roughly similar to this upper plate portion 21, and interior stage portion 24 forms the inboard exceeds one-level than outer stage portion 23 shape.That is, the length of interior stage portion 24 and the ratio of width are greater than the length of outer stage portion 23 and the ratio of width.In addition, the lower edge of described side plate 22 turns back and the 22U of flanging portion in forming on complete cycle to the inside, and the plate-shaped member 10A of described hinge 5 is installed accordingly with described casing 2 on the lower inner surface of the side plate 22 on one side.In addition, with described side plate 7 similarly, on the side plate 22 that described hinge 5 is installed, be formed with the described protuberance 15 of location roughly cylindraceous usefulness accordingly with described hole 14A.
And, smooth in order to make as solder side 16, the 16A of welding position, the described plate-shaped member 10 of described hinge 5, the binding tube 11 of 10A, 11A form by thickness direction one side of this plate- shaped member 10,10A, as Fig. 2 and shown in Figure 4, under the state of closing cap 4, the gap corresponding with the diameter in the hole that links tube 11,11A is formed between two plate-shaped members 10, the 10A.And, side plate 7 with described solder side 16 opposed outer surfaces be as the solder side 7M that opposite face is installed, side plate 22 with the opposed inner surface of described solder side 16A be as the solder side 22M that opposite face is installed.
Described plate-shaped member 10, side plate 7 and metallic plate 18 these threes as backing plate that are disposed at these side plate 7 back sides are integral by spot-welded on.These metallic plate 18 thickness are 1.6 millimeters, and are thicker than side plate 7, and width is 16 millimeter, length and described plate-shaped member 10 are roughly the same, like this by pad with the metallic plate 18 thicker than side plate 7, prevented that the influence etc. of sweating heat from making casing 2 distortion, and made the action stabilisation of hinge 5.In addition, as mentioned above, the upper limb complete cycle of the side plate 7 of described casing 2 is provided with the 2U of flanging portion that turns back to the inside, as shown in Figure 2, so that the mode that the front end of the upper limb of described metallic plate 18 and the 2U of this flanging portion offsets disposes this metallic plate 18.
In addition, be formed with laterally long rectangle stage portion 25 by punching press on the side plate 7 of casing 2, the sheet material of stage portion 25 inboards is more outstanding than the sheet material in the outside.In addition, this stage portion is provided with to devices spaced apart multistage about in the of 25.In addition, as Fig. 8 and shown in Figure 13, be provided with stage portion 25,25 in 39 both sides, installation position of fastening operating portion 37.
And,, can strengthen the rigidity of side plate 7,22 by above-mentioned stage portion 23,24,25 is set.
Described four side plates 7,7,7,7 are by forming by the adjacent continuous metallic plate of bight 7K, 7K, 7K, 7K, this metallic plate carries out bending process at described bight 7K, 7K, 7K, 7K place, the end of this metallic plate (not shown) is joined together this intersection by spot welding etc. in the substantial middle side superimposed of certain side plate 7.
In addition, as Figure 11 and shown in Figure 12, base plate 6 outsides at described casing 2 are formed with the lower edge 32 that the lower edge of described side plate 7,7,7,7 is bent into to the inside approximate horizontal, and middle base plate 33 plugs are 32 of these lower edge.In addition, between described side plate 7 and lower edge 32, be formed with bending bight 32K.As shown in figure 12, base plate 33 is formed with the 33K of curved edge portion accordingly with this bending bight 32K on every side in described, in base plate 33 around be positioned on the described lower edge 32 and overlap, this intersection is joined together by carrying out spot welding at a plurality of positions.In addition, Figure 11 is the upward view from beneath casing 2, and among the figure, 40 are the spot welding position.
The described middle base plate 33 that is made of metallic plate constitutes described base plate 6 with described lower edge 32, base plate 33 widths are arranged side by side a plurality of rectangle stage portion 34,34 long on the length direction of middle base plate 33 in these middle base plate 33 upper edges, form two stage portion of protruding to upside 34,34 side by side by punching press in this example, can add the rigidity of persistent erection base plate 33 by these stage portion 34,34.
In addition, in described, run through on the base plate 33 and be provided with a plurality of installing holes 35,35A, the 35B that is the slotted hole shape, in this example, in stage portion 34, be respectively equipped with three installing holes 35,35A, 35B, installing hole 35,35A, 35B arrange in the stage portion 34,34 of both sides accordingly, described installing hole 35,35 is by the edge setting of length direction one side of base plate 6, described installing hole 35A, 35A are located at center side, and described installing hole 35B, 35B are located at the position of close described installing hole 35A, 35A at the opposite side of described length direction.And the installing hole 35 of both sides, the length direction of 35B are consistent with the width of base plate 6, and the length direction of the installing hole 35A of central authorities is consistent with the length direction of bottom surface 31.And described installing hole 35,35A, 35B are run through by the bolt (not shown) as fixed component, casing 2 are installed to the described mounting table 9 as installation portion of vehicle 8 by this screw bolt and nut.In addition, described in base plate 33 thickness be 1.2 millimeters, constitute thicklyer than the lid 4 and the side plate 7 of casing 2, base plate 33 has and is used for being installed to the intensity on the mounting table 9 by described installing hole 35,35A, 35B etc. in making thus.
In addition, on the outer surface of upper of casing 2 and side plates 7 hinge 5 opposition sides, be provided with the fastening operating portion 37 of bracelet formula opening/closing lock device 36, and lid 4 with side plates 22 hinge 5 opposition sides on be provided with the fastening base portion 38 of described opening/closing lock device 36.
Then, to hinge 5 is described by the method that joins the casing 2 under the state after making to and cover on 4.These casings 2, lid 4 and hinge 5 all do not apply plating, and in addition, the material that forms these parts does not apply plating yet, whole not application or at least with the not application of position periphery of hinge 5 welding, in this example, to integral body not the situation of application describe.In addition, by the base material that metal casing 2 and hinge 5 are adopted without plating, the easy and lower cost for material of allotment.
At first, as shown in Figure 1, on solder side 7M, the 22M corresponding of the inner surface of the outer surface of solder side 16,16A and the side plate 7 of hinge 5 and side plate 22, by hairbrush coating electrically conductive coating (not shown) with these solders side 16,16A.Under this situation, before the application conductive coating paint, carry out the ungrease treatment of hinge 5.In addition, owing to can carry out arc welding in the back, therefore they are not carried out the application of conductive coating paint as the front end and the hole 14 of the protuberance 15 at arc welding position.Described conductive coating paint contains non-conductive resin and electroconductive powder, and this electroconductive powder for example is the composition of any one or they in the iron, aluminium, zinc, carbon of electric conductivity.In addition, also can to as the counterpart application of the sheet material that constitutes casing 2 and lid 4 materials behind the conductive coating paint, carry out the assembling of casing 2 and lid 4 again.
Like this, with solder side 16,16A and this solder side 7M, 22M connect and weld after can not carry out application part be coated with the above conductive coating paint, after this conductive coating paint drying, in casing 2, hole 14 is cooperated with protuberance 15, make the outer surface location of the solder side 16 of plate-shaped member 10 at side plate 7, form the solder side 7M face state of contact of the outer surface of solder side 16 and side plate 7, and then, metallic plate 18 and solder side 16 as the welding position are configured on the inner surface of side plate 7 accordingly, with these plate-shaped members 10, under electrode (not shown) clamping and coarctate state of side plate 7 and metallic plate 18 by mash welder, make between these electrodes and flow through electric current, to these plate-shaped members 10, side plate 7 and metallic plate 18 carry out spot welding, as shown in Figure 9, carry out in a plurality of positions along the length direction devices spaced apart of plate-shaped member 10 at spot welding position 51.In addition, the height and position in the height and position at the spot welding position 51 of plate-shaped member 10 and described hole 14 is roughly the same.In addition, described electrode is connected on the not application part, and this mash welder use is the mash welder of AC type.In addition, as mentioned above, at least a portion of protuberance 15 and hole 14 are not application, in the described hole 14 that is inserted with protuberance 15, carry out arc spot welding by arc welding.In addition, in Fig. 6,41 are the welding bead of arc welding (bead).In addition, also can carry out arc welding to edge part and the side plate 7,22 of plate- shaped member 10,10A.
In addition,, after described conductive coating paint drying, hole 14A is cooperated with protuberance 15, make the inner surface location of the solder side 16A of plate-shaped member 10A at side plate 22 at lid 4.Under this situation, the 22U of flanging portion in the lower end of side plate 22 is formed with, on the other hand, because plate-shaped member 10A is formed flatly, therefore the top of plate-shaped member 10A and the inner surface of side plate 22 join, the inner surface of its underpart side and the interior flanging 22U of portion joins, therefore as shown in Figure 7, plate-shaped member 10A disposes obliquely with respect to side plate 22, but because plate-shaped member 10A is thin and have enough width on above-below direction, therefore carry out spot welding by the position of transversely lining up multiple row concurrently at protuberance 15, pressing force with electrode makes plate-shaped member 10A bending, thereby welds with the state on the inner surface that is attached to side plate 22 and the interior flanging 22U of portion.In addition, by spot welding with the coincidence of plate-shaped member 10A thin plate 12,12 also weld.Form the solder side 22M face state of contact of the inner surface of solder side 16A and side plate 22, under the electrode clamping and coarctate state of these plate-shaped members 10A and side plate 22 by mash welder, make between these electrodes and flow through electric current, these plate-shaped members 10A and side plate 22 are carried out spot welding, as shown in Figure 9, carry out at a plurality of positions along the length direction devices spaced apart of plate-shaped member 10A at spot welding position 51.In addition, the height and position of the height and position at the spot welding position 51 of plate-shaped member 10A and described hole 14A is roughly the same.Described electrode is connected on the not application part, and identical with casing 2, and what this mash welder used is the mash welder of AC type.In addition, as mentioned above, at least a portion of protuberance 15 and hole 14A are not application, in the described hole 14A that is inserted with protuberance 15, carry out arc spot welding by arc welding.In addition, in Fig. 6,41 is that protuberance 15 and hole 14,14A carry out the welding bead (bead) after the arc welding.In addition, described welding bead 41 needn't be located on the complete cycle of hole 14,14A, only is provided with about half cycle partly to get final product.
Like this, after the welding of plate- shaped member 10,10A finishes, make to link tube 11,11A contraposition, connecting axle 17 is inserted into these links tube 11,11A ... in, and form anticreep ca(u)lk portion 13, thus hinge 5 is assembled.Thus, but lid 4 is located on the casing 2 by the mode of hinge 5 with freely openable.
Then, after the casing that forms as one 2 and lid 4 are carried out cleaning by degreasing, application is partly carried out in application not, non-conductive coating is adopted in this application.Under this situation, can adopt the sintering application of spraying plating application.And, on the plate-shaped member 10 of hinge 5,10A, closely be provided with thin plate 12 overlappingly, by around these plate- shaped members 10,10A, implementing application such as spraying plating, thereby can guarantee resistance to water.In addition, as mentioned above, also can be by coating conductive coating paints such as hairbrush on the coincidence face of thin plate 12, then, on plate- shaped member 10,10A, the thin plate 12 that overlaps is joined together by pre-spot welding, perhaps be joined together by carrying out arc welding around.
Behind the coating, drying of the part of application not, promptly all behind the coating, dryings, fastening operating portions 37 are installed on the top of casing 2 and side plates 7 hinge 5 opposition sides, on the side plate 22 of and opposition side hinge 54 fastening base portion 38 is installed at lid.
In addition, under situation about being installed on the back carriage of saddle-ride type vehicle, the installation that is used for the processing of this purpose and erecting tools etc. will be carried out before spraying plating of non-conductive application etc.
And, as mentioned above, the plate-shaped member 10 of hinge 5,10A make thin plate 12 overlapping and have the thickness roughly the same with the side plate 7 of casing 2, by connecting axle 17 being inserted among the binding tube 11 that is made of fold back portion, the 11A, make between plate-shaped member 10, the 10A and can swing.In addition, shown in Fig. 2 waits, under the state that will cover 4 closures, make that hinge 5 is configured to link tins 11,11A exposes downwards from the lower edge that covers 4 side plate 22.In addition, as shown in Figure 2, with respect to the width up and down of plate-shaped member 10,10A, the width up and down of the interior flanging 22U of portion is very narrow, in addition, under the state that will cover 4 closures, the plate-shaped member 10 that is parallel to each other, 10A opposed mutually and leave with link tins 11, the corresponding gap of diameter of 11A.
In such present embodiment, in the manufacture method of the coated metal that metal casing 2 as matrix part is contacted the employing welding that welds with metal hinge 5 as accessory, behind the welding position of the hinge corresponding 5 coating conductive coating paint with the welding position of casing 2, with these welding position alignment, the electrode of contact welding is abutted to the not application part and the energising of described casing 2 and hinge 5, via conductive coating paint two welding positions are welded, then, application is partly carried out in not application to described casing 2 and hinge 5, therefore, even rainwater or humid air etc. are immersed in the welding position of casing 2 and hinge 5, owing to can obtain antirust performance by the conductive coating paint of coating before welding, therefore can prevent because the durability that causes of getting rusty reduces and the outward appearance deterioration, in addition, owing to be after welding, application partly to be carried out in application not, therefore can partly produce damage to other applications in the time of weld job need not being worried, and then, can carry out this not application of application part easily.
In addition, in such present embodiment, described matrix part is a casing 2 of being located at vehicle 8 outsides, but described accessory is supported on the casing 2 and makes the hinge 5 that covers 4 freely openables for covering 4, conductive coating paint comprises the electric conductivity powder, the coating that uses in the application of described not application part is non-conductive coating, therefore, even rainwater or humid air etc. are immersed in the welding position of casing 2 and hinge 5, owing to can obtain antirust performance by the conductive coating paint that contains the electric conductivity powder of coating before welding, therefore can prevent because the durability that causes of getting rusty reduces and the outward appearance deterioration, in addition, owing to be after welding, application partly to be carried out in application not, can partly produce damage to other applications in the time of therefore weld job need not being worried, and then, can carry out this not application of application part easily.
In addition, in such present embodiment, described matrix part is a metal casing 2 of being located at vehicle 8 outsides, but described accessory is supported on the casing 2 and makes the hinge 5 that covers 4 freely openables for covering 4, described welding position is as the solder side 16 of casing 2 with the installation opposite face of hinge 5, the solder side 16A of the installation opposite face of 7M and conduct lid 4 and hinge 5,22M, at solder side 16 to casing 2 and hinge 5,7M and cover 4 and the solder side 16A of hinge 5, after 22M is coated with described conductive coating paint, carry out described contact welding, hinge 5 and casing 2 are carried out arc welding, after carrying out these contact welding and arc welding, application is partly carried out in not application to casing 2 and hinge 5, therefore, for the casing 2 that is located at vehicle 8 outsides, obtained rust-proof effect, thereby, even rainwater etc. is immersed in the welding position, also can prevent to get rusty owing to exposing.
In addition, in such present embodiment, described conductive coating paint contains the electric conductivity powder, the coating that uses in the application of described not application part is non-conductive coating, therefore, can obtain electric conductivity by the electric conductivity powder, on the other hand, owing to adopted non-conductive coating, the application after the welding to become cheap.
[embodiment 2]
Figure 14～Figure 15 shows embodiments of the invention 2, and the part identical with the foregoing description 1 is marked with prosign and omits its explanation, and this embodiment 2 is elaborated below.In this example, powder body coating is partly carried out in application not, described conductive coating paint adopts the stable on heating heat-resisting paint with the sintering temperature that surpasses described powder body coating.In addition, the coating that uses in powder body coating is non-conductive coating.
Method as described powder body coating, show static powder body coating method and mobile impregnation method for example, in static powder body coating method, adopt the thermosetting powder coating, adopting the thermoplasticity powder coating in mobile impregnation method, is that the painting device of electrostatic spray method describes to adopting the static powder body coating below.In addition, the lid 4 before having welded the casing 2 before plate-shaped member 10 and the hinged assembling and having welded plate-shaped member 10A and hinged assembling carried out cleaning by degreasing after, the static powder body coating is partly carried out in not application separately.
On a plurality of suspension hooks 62 that transport by conveyer belt 61, alternately be hung with described casing 2 and described lid 4, by conveyer belt 61, casing 2 and lid 4 are consolidated curing oven 64 in order from 63 conveyances of spraying plating chamber to sintering.In addition, compare with the conveyer belt length in the spraying plating chamber 63, the length of the conveyer belt in the sintering curing stove 64 is set longlyer.
In hanging in operation, respectively casing 2 and lid 4 are suspended on the suspension hook 62, and be transported in the spraying plating chamber 63 by conveyer belt 61, in spraying plating chamber 63, from the powder body coating jar that is applied with 40KV for example, casing 2 and lid 4 via conveyer belt 61 ground connection are sprayed powder coatings, make on its not application part attached to casing 2 and lid 4, then, the sintering curing temperature with 220 degree～230 degree in sintering curing stove 64 makes powder coating heating and melting and curing, thereby finishes the application of casing 2 and lid 4.In addition, in the electrostatic spray method, can freely obtain coating thickness about 30～150 μ m by an application.
Like this, by the electrostatic spray method, to and powder body coating jar as coating machine between be applied with the casing 2 and the lid 4 of high potential difference, after spraying charged powder coating and it being adhered to, with the sintering curing temperature casing 2 and lid 4 are heated, make the powder coating melting and solidification and be cooled to normal temperature, thereby filmed, because described powder coating adopts thermohardening lacquer, therefore can access filming of having solidified by sintering curing stove 64 heating.In addition, can under state, transport, charged powder coating be adhered to, and be heating and curing by suspension hook 62 ground connection.
In addition, the thermohardening lacquer that uses in the electrostatic spray method is to produce chemical change (crosslinked) and the coating of characteristic variations by heating.Because can be by the additional various performances of cross-linking reaction, therefore can select coating according to purposes, in addition, employed matrix resin for example is mylar, acrylic resin etc. when adorning outside being used for, and for example is epoxy resin, hydridization (epoxy/polyester) resin etc. when adorning in being used for.
In addition, before powder coating being sprayed onto described casing 2 and lid 4, when the temperature of casing 2 and lid 4 is hanged down, casing 2 and lid 4 are preheated to the words of 30～45 degree, can access more uniformly and film, by such preheating, can carry out the application of the coating thickness about 300～2000 μ m.
In addition, adopt the conductive coating paint of heat resisting temperature more than described sintering curing temperature in the application of the welding position that carries out before the static powder body coating.The heat resisting temperature of this conductive coating paint is about 1200 degree.
And, after the casing 2 that is welded with plate-shaped member 10 and the powder body coating that is welded with the lid 4 of plate-shaped member 10A finished, make to link tube 11,11A contraposition, connecting axle 17 is inserted into these links tube 11,11A ... in, and form anticreep ca(u)lk portion 13, thereby hinge 5 is assembled.Thus, but with the lid 4 modes with freely openable be set on the casing 2 by hinge 5.
In such present embodiment, powder body coating is partly carried out in described not application, because the heat resisting temperature of described conductive coating paint is more than the sintering temperature of described powder body coating, therefore, the heat that applies in the time of can be because of powder body coating is affected conductive coating paint, can access the reliability high product of application.
In addition,, can access high performance filming, and can realize the raising of painting operation speed and film even by adopting powder body coating.
The present invention is not limited to present embodiment, can implement various distortion in purport scope of the present invention.For example, even connecting axle adopts the material beyond the metal, hinge is still metal hinge also, in addition, even the part of casing, lid adopts the material beyond the metal, also still metal casing.And then, in an embodiment, the hole 14A that constitutes plate-shaped member 10A is positioned at the position of leaning on the top than the hole 14 of plate-shaped member 10 slightly, yet also the hole 14A of the hole 14 of plate-shaped member 10 and plate-shaped member 10A can be located at same position, and set the position of the protuberance 15 of the protuberance 15 of side plate 7 and side plate 22 therewith accordingly.In addition, powder body coating also can adopt the flame spraying of using thermoplastic coating, the coating process such as electric field cloud finishing that use thermohardening lacquer.
Claims (5)
1. manufacture method that adopts the coated metal of welding, it is that metal matrix part is contacted welding with metal accessory, it is characterized in that,
After to coating conductive coating paint in the welding position corresponding described accessory with welding position described matrix part, with these welding position alignment, the electrode of contact welding is abutted to the not application part and the energising of matrix part and accessory, via described conductive coating paint two welding positions are welded
Then, application is partly carried out in the not application of described matrix part and accessory.
2. the manufacture method of the coated metal of employing welding according to claim 1 is characterized in that,
Described matrix part is a casing of being located at outside vehicle,
But described accessory is lid that supports described casing and the hinge that makes described lid freely openable,
Described conductive coating paint contains the electric conductivity powder,
The coating that uses in the application of described not application part is non-conductive coating.
3. the manufacture method of the coated metal of employing welding according to claim 1 is characterized in that,
Described matrix part is a metal casing of being located at outside vehicle,
But described accessory is lid that supports described casing and the hinge that makes described lid freely openable,
Described welding position is the installation opposite face of described casing and described hinge and the installation opposite face of described lid and described hinge,
To described opposite face respectively be installed be coated with described conductive coating paint after, carry out described contact welding,
Described hinge and described casing are carried out arc welding,
After carrying out described contact welding and arc welding, application is partly carried out in the not application of described casing and described hinge.
4. the manufacture method of the coated metal of employing welding according to claim 1 is characterized in that,
Powder body coating is partly carried out in described not application,
The heat resisting temperature of described conductive coating paint is more than the sintering temperature of described powder body coating.
5. according to the manufacture method of the coated metal of claim 3 or 4 described employings welding, it is characterized in that,
Described conductive coating paint contains the electric conductivity powder,
The coating that uses in the application of described not application part is non-conductive coating.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008039329 | 2008-02-20 | ||
| JP2008039329 | 2008-02-20 | ||
| JP2009025418 | 2009-02-05 |
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| CN101513700A true CN101513700A (en) | 2009-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2009100080274A Pending CN101513700A (en) | 2008-02-20 | 2009-02-19 | Manufacturing method for coated metal by welding |
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| CN (1) | CN101513700A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248862A (en) * | 2017-02-20 | 2019-09-17 | 五十铃自动车株式会社 | Body structure and its manufacturing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101416666B1 (en) | 2014-05-09 | 2014-07-10 | (주)두인엔텍 | Using a clad plate manufacturing method of the magnesium melting furnace and it is maunfactured by using the apparatus |
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|---|---|
| JP2009220177A (en) | 2009-10-01 |
| JP4600873B2 (en) | 2010-12-22 |
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