CN1293984C

CN1293984C - Plater jointing method

Info

Publication number: CN1293984C
Application number: CNB031192327A
Authority: CN
Inventors: 陈佩芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-03-06
Filing date: 2003-03-06
Publication date: 2007-01-10
Anticipated expiration: 2023-03-06
Also published as: CN1526508A

Abstract

The present invention relates to a plate metal jointing method which is characterized in that thin plates are previously and respectively processed into jointing parts and bending parts in the process of material preparation, and the top part of the bending part of one thin plate forms a circular arc shape; the side surfaces of two plates are tightly abutted, the top edge of the bending part of one plate is abutted with the jointing part of the other plate, and the abutted position between the two plates is welded in a whole array mode. In addition, a guide plate made from high thermal-conduction materials is abutted near a welding position, high temperature caused by welding can be rapidly released by the guide plate; therefore, the problems of the deformation, the burn, etc. of a joint plate can be effectively avoided, the welding quality can be raised, and additional subsequent processing is not needed after welding joint.

Description

Sheet-metal linking technology

Invention field

The present invention is a kind of sheet-metal linking technology, and this method is the welding bead with the thin plate of two solder joints, is formed at the medial surface of thin plate, and the guide plate that utilizes high heat-conducting to make, and the high temperature when making welding leaves rapidly, and avoids welding deformation.

Background of invention

See also shown in Figure 6, this figure is the method that prior art two sheet metal panel right angles engage, make first plate 60 and vertical placement of second plate, 70 1 ends and clamping, one end of this second plate, 70 desires welding is bent to form kink 71, these kink 71 terminal retaining edge 711 that form, and make first plate, 60 1 end side surface be posted by this retaining edge 711, and be affixed on the corner that second plate, 70 kinks, 71 1 sides parts and second plate 70 form in first plate 60, do the full-column welding along the corner with welding gun, make first and

second plate

60,70 be able to combination.

But this kind welding method is easy to generate following problem:

One, plate produces distortion because of welding easily:

Because first and

second plate

60,70 is than metal sheet, therefore, the high temperature that welding processing produced, can make the welding position produce metaboly, perhaps, form tangible burned black outward appearance in relative both sides, and produce the problem of distortion at welding, common people all knock the position of plate distortion with iron hammer, impel plate to recover smooth, yet, plane afterwards knocked through iron hammer, can form the out-of-flatness outward appearance of concavo-convex fluctuating, seriously the whole surface aesthetic of influence.

Two, easily produce perforation because of high-temperature soldering:

Because the high temperature of welding can make welding position sheet material melt, and and solder bonds, but the high temperature of welding can burn by the section that the welding position is thin, form some perforation 72 (as shown in Figure 6), so will more have a strong impact on welding quality, and cause the defective products that is difficult to remedy.

At the various shortcoming that aforementioned prior art welding manner is derived, the inventor once invented out a kind of welding method, saw also shown in Figure 7.This method is first plate, 80 1 ends that are connected with second plate 90 desiring, be bent into abutting end 81, and the side that makes first and second plate 80,90 desire combination fits, weld end in first and second plate 80,90, so make the section of welding position be the thicker shape attitude, the high temperature that can effectively avoid welding generation makes 90 distortion of second plate or burns the surface, improves the welding quality of thin slice sheet metal by this.

Though, this solder joints mode can effectively solve the various shortcoming that aforementioned prior art welding manner is derived, but after first and second plate 80,90 solder joints, formed welding bead is positioned at the top, bending place of first and second plate 80,90, and for asking preferable specious degree, so need in weld the surface to be ground, make the surface after grinding more attain smoothly, thus, just derive the expenditure of operation processing cost, and make process velocity greatly reduce.

The inventor is because there are many shortcomings in prior art sheet material welding method, so be engaged in sheet metal welding manufacturing experience for many years with it, study intensively solution at above problem, and through test of many times with update, work out a kind of sheet-metal linking technology that solves above-mentioned prior art shortcoming finally.

Summary of the invention

Main purpose of the present invention is to provide a kind of can prevent effectively that two engage sheet material generation distortion or surperficial sheet-metal linking technology that forms burned black shape when welding.

Another purpose of the present invention is to provide a kind of sheet-metal linking technology that burnt by high temperature when avoiding plate sheet welding to cause perforation.

After still a further object of the present invention is to provide a kind of plate sheet welding to engage, does not need to carry out in addition following process and handle, the sheet-metal linking technology of saving man-hour.

For reaching aforementioned purpose, the invention provides a kind of sheet-metal linking technology, this method comprises:

Get the raw materials ready: an end of first plate is bent into the junction surface, and an end of second plate is bent into kink, make this top, second plate bending place form arc sections;

The location: the side that this side, first plate junction surface and this second plate are desired to combine fits, kink ora terminalis and this first plate junction surface ora terminalis of this second plate are abutted against, the opposing subsides in one of this second plate side put the back guide that the high-termal conductivity material is made in this first plate junction surface again, and put the front guide that the high-termal conductivity material is made in opposing subsides of this second plate, make first and second plate fit tightly the location in this first plate, one side;

Welding: be abutted against place's lateral margin along this first plate junction surface and this second plate kink and carry out full-column and weld.

After welding step, carry out following process and handle, the weld surface is ground, make that the surface after grinding is more level and smooth, and carry out polishing after grinding, removed and grind vestige.

Wherein, this forward and backward guide plate is the copper metal material.

Above-mentioned explanation only is the general introduction of Partial Feature of the present invention; for making the professional person all can clearer understanding technological means of the present invention; and can implement according to this according to this description; so conjunction with figs. of the present invention is illustrated; the following stated only is in order to explain preferred embodiment of the present invention; be not that the present invention is done any formal restriction, allly do relevant any modification of the present invention or change in that identical creation spirit is following, all should be included in the scope of the present invention's protection.

Description of drawings

Fig. 1 is a schematic flow sheet of the present invention.

Fig. 2 be the present invention first and second harden and close the schematic diagram at position.

Fig. 3 is the schematic diagram that the present invention welds first and second plate holder admittedly.

Fig. 4 is the schematic appearance after the present invention welds.

Fig. 5 is the generalized section after the present invention welds.

Fig. 6 is a prior art welding method schematic diagram ().

Fig. 7 is a prior art welding method schematic diagram (two).

Number description:

First plate, 10 junction surfaces, 11 second plates 20

Kink 21 arc sections 22 back guides 30

Front guide 40 welding guns 50 first plates 60

Second plate, 70 kinks, 71 retaining edge 711

72 first plates, 80 abutting ends 81 of boring a hole

Second plate 90

The specific embodiment

See also shown in Figure 1ly, the present invention is a kind of sheet-metal linking technology, and this method comprises: get the raw materials ready, clamping location, welding, again through steps such as following process processing, to finish the sheet metal splice program; Wherein:

Material preparation step: first plate 10 and second plate 20 that desire is engaged cut into the size that needs, these first plate, 10 1 ends upwards are bent to form junction surface 11, and these second plate, 20 1 ends are bent to form kink 21 downwards, make this top, second plate, 20 bending place form arc sections 22 (consulting shown in Figure 2);

Positioning step: the side that these 11 sides, first plate, 10 junction surfaces and this second plate 20 are desired to combine fits, and kink 21 bottoms of this

second plate

20 and 11 tops, this first plate 10 junction surfaces are abutted against, opposing in these first plate, 10 junction surfaces 11 again in the solid back guide 30 of one of this second plate 20 side subsides, and paste solid front guide 40 in these second plate, 20 opposing sides in this first plate 10, again before this, back guide 40,30 outsides impose inside clamping force, make first, two

plates

10,20 fit tightly location (consulting shown in Figure 3), in present embodiment, before being somebody's turn to do,

back guide

40,30 is that high-termal conductivity materials such as copper metal are made, and has heat absorption, the characteristic of rapid heat dissipation;

Welding step: in first and

second plate

10,20 joint places of clamping with welding gun 50 to set spot welding mode at interval, first and

second plate

10,20 is tentatively welded the location, be abutted against place lateral margin along these first plate, 10 junction surfaces 11 with these second plate, 20 kinks 21 with welding gun 50 again and carry out full-column welding (consulting Fig. 3 and shown in Figure 4);

The following process treatment step: more attractive in appearance because the surface of finishing after the welding is recessed convex for making weld, the weld surface can be ground, make the surface after the grinding more level and smooth, in addition, after grinding, carry out polishing, grind vestige (consulting shown in Figure 5) to remove.

By above engagement step, the present invention is abutted against place's lateral margin along first plate, 10 junction surfaces 11 and second plate, 20 kinks 21 to carry out the full-column welding, and so, the high temperature that can effectively avoid welding generation is out of shape second plate 20 or burns phenomenon such as surface.

In addition, the present invention establishes the back guide of being made by highly heat-conductive material 30 and front guide 40 in pressing from both sides respectively near first and second place,

plate

10,20 welding positions, because back guide 40,30 absorbs heat rapidly, the characteristic of heat radiation, the high heat that can effectively absorb welding and produced, and leave fast, avoid high temperature that burned black shape is burnt till on surface outside first and

second plate

10,20, improve the plate sheet welding quality thus.

Moreover the top, bending place of second plate 20 is bent to form arc sections 22 in advance in melting process, and when welding process, the welding bead that first and

second plate

10,20 is engaged is formed on side within first and

second plate

10,20, the outside of second plate 20 is kept perfectly, and has preferable appearance; In addition, because the welding bead that first and

second plate

10,20 engages is positioned at side within first and

second plate

10,20, so can directly desire be placed the subsides of thing (not shown) puts, fixes, make the welding bead of first and

second plate

10,20 joints be able to crested, then do not need in this case to grind in addition, following process such as polishing handles, positively reduce procedure, extremely be fit to carry out a large amount of welding assembly of plate, dark tool practicality.

In sum, the present invention can effectively improve the shortcoming of prior art welding manner really, and real be that a kind of splendid invention is created, and the present invention do not see on any publication, so meet the key element of patent of invention fully.

Claims

1, a kind of sheet-metal linking technology, this method comprises:

Get the raw materials ready: an end of first plate is bent into the junction surface, and an end of second plate is bent into kink, make the bending place napex of this second plate form arc sections;

The location: the side that this side, first plate junction surface and this second plate are desired to combine fits, kink ora terminalis and this first plate junction surface ora terminalis of this second plate are abutted against, the back guide that the high-termal conductivity material is made is put in opposing side subsides in this second plate in this first plate junction surface again, put the front guide that the high-termal conductivity material is made in the opposing side subsides of this second plate, make first and second plate fit tightly the location in this first plate;

2, sheet-metal linking technology according to claim 1 wherein, carries out following process and handles after welding step, the surface of weld is ground, and makes that the surface after grinding is more level and smooth, and carries out polishing after grinding, and removes and grinds vestige.

3, sheet-metal linking technology according to claim 1, wherein, this forward and backward guide plate is that the copper metal material is made.