CN101108405A - Riveting method of sheet material and structure of the same - Google Patents
Riveting method of sheet material and structure of the same Download PDFInfo
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- CN101108405A CN101108405A CNA2007101462046A CN200710146204A CN101108405A CN 101108405 A CN101108405 A CN 101108405A CN A2007101462046 A CNA2007101462046 A CN A2007101462046A CN 200710146204 A CN200710146204 A CN 200710146204A CN 101108405 A CN101108405 A CN 101108405A
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- flaky material
- sheet metal
- disconnected
- flaky
- shearing
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Abstract
The invention discloses a riveting method for flaky materials, which is for riveting multilayer flaky materials. At least one layer of sheet metal is provided in the multilayer flaky materials, the part of the flaky materials to be connected are overlapped to form a shear section on the connection joint of the flaky materials; at least one edge of the shear section is connected with its own sheet metal, the shear sections of the sheet metals in the flaky materials are overlapped together and turned over to the outer surface of the bottom of the flaky material by extrusion to form a connection joint connected with all flaky materials; other unbroken shear sections of the flaky material after shearing are overlapped with the shear sections of the metal sheet and are turned over to the outer surface of the bottom part of the flaky material by extrusion to form a connection joint connected with all flaky materials. Due to the adoption of the connection joint of a bending structure, the invention is more firm and reliable than the connection joint formed by plastic deformation. The connection joint can be finished by equipment once, the production process is convenient and the production efficiency is increased.
Description
Technical field
What the present invention relates to is a kind of method of attachment of flaky material, comprises the clinching method and the riveted structure of the sheet material or the flexible sheet material of rigidity.
Background technology
Being used for the syndeton of sheet metal and method of attachment at present has a variety of as can be referring to Chinese patent CN87100239A, and it discloses a kind of syndeton of sheet metal, and it connects first and second sheet metals by plastic processing method and forms.On first sheet metal first cut length of being with opening is arranged.Place the part of first end, second sheet metal one side above the sheet metal to be sandwiched in the middle of described opening and described first cut length, under this state, quilt is pressed from both sides partly to push forward with cut length and is pressed in the described opening.Second sheet metal that is squeezed into opening partly pinned by the perisporium of opening.This structure only needs with simple extrusion process the part of second sheet metal to be clamp-oned the opening of first thin plate by a simple pressurizing unit, just can obtain a firm syndeton.
The method of attachment of another kind of sheet metal can be referring to Chinese patent CN1222872A, and it discloses a kind of diffusion welding process, is used for connecting the metal-sheet parts that overlaps together mutually by engaging operation.Wherein make in the volume local displacement of the material of connecting point position metal-sheet parts and owing to forge perpendicular to the edge on the plane of sheet metal that to engage be that material flows by drift and punch die.Even under situation with material that tangible work hardening orders about or prevulcanized material, in order to produce enough strong structural member, adopt such measure: in the bonding operation process, will be pressed on the punch die around the metal-sheet parts of connecting point position to be enough to prevent any power that flows against the material of drift direction of action.
Also have a kind of clinching method of sheet metal can be referring to Chinese patent CN1712744A, it discloses a kind of metallic plate riveting set and clinching method, is used for one first metallic plate and one second metallic plate are riveted.Form a through hole on first metallic plate, second metallic plate, one side forms a protuberance, and a depressed part that forms corresponding protuberance at the opposite side of second metallic plate.First metallic plate covers second metallic plate then, and through hole holds projection.Force in protuberance, pressure-bearing unit support second metallic plate with the forging and pressing unit.Projecting block extruding protuberance is that protuberance produces distortion.The protuberance of contact-making surface crimp makes the protuberance of distortion that second metallic plate is engaged first metallic plate.
Also put down in writing the equipment that a lot of sheet metals connect in addition in the prior art, from these equipment, also can embody the syndeton of these sheet metals, see also Chinese patent CN2198337Y, it discloses the die apparatus that a kind of thin plate that the mutual lapping of thin plate is connected connects, it comprises mould, the drift of a deep punch, characteristics are that the end of staking punch is provided with circular chamfering, with the cross-sectional area of the corresponding staking punch of deep punch geometry be the 60%-80% of deep punch cross-sectional area.Its advantage is that mould is simple, as long as an operation just can produce a firm especially node between two boards, the part of node projecting plate is shorter.
According to above-mentioned prior art we as can be seen, at present in order to satisfy the requirement that connects sheet metal fast, the syndeton majority of sheet metal is to adopt the method for plastic deformation to finish.Distortion by a sheet metal comes to form fast node between sheet metal.Owing to being so that its fastness of link node that forms of plastic deformation is not strong, and present technology all needs each link node of finishing one by one, so though form that node is fairly simple to link together whole sheet metal or need long time and more operation.
Summary of the invention
At the deficiency of prior art, the invention provides a kind of method of attachment of flaky material, this method adopts through the riveted joint mode after the cutting, and it is more firm that flaky material is connected.
Another object of the present invention provides a kind of syndeton of flaky material, and this is simple in structure, and is fixing also more firm, and easy to process, only needs time processing just can finish.
Another object of the present invention provides a kind of die apparatus that is exclusively used in this syndeton of processing.
Technical characterictic of the present invention is to adopt decompressor once to form link node on the flaky material of the multilayer that comprises the layer of metal thin plate at least; This link node comprises a cut length that cuts down from flaky material, is close to bulk link node on the sheet metal outer surface with just having formed one after the cut length turnover extruding.
A clinching method that scheme is a kind of flaky material of the present invention, be used for the flaky material of multilayer is riveted connection, having one deck in the flaky material of multilayer at least is sheet metal, with overlapping that flaky material need connect, it is disconnected to form shearing at the link node place of flaky material, this shearing is disconnected to have at least a limit to be connected with the sheet metal of self, the shearing of the sheet metal in the flaky material is disconnected all to overlap and through the outer surface turnover of extruding to the bottom of flaky material, forms the link node that connects all flaky materials; The shearing that other flaky material does not fracture after shearing disconnected also with the shearing of metal ripple plate disconnected overlap and through extruding to the turnover of flaky material bottom outer surface, form the link node that connects all flaky materials.
Optimally; The position of the sheet metal the best in the flaky material is the skin at whole flaky material, wraps by the shearing of sheet metal is disconnected after the shearing of flaky material.
Optimally; The disconnected outer surface of being close to flaky material is sheared in the disconnected bottom outer surface turnover to flaky material of the shearing of flaky material, and is squeezed into bulk by mould and forms link node.
Optimally; Link node machines with the press device one or many.
Optimally; Shear disconnected shape and be square, polygon, triangle, circle or oval; Flaky material comprises that the thin plate of rigidity and/or flexible sheet material comprise plastics, leather, cardboard, plank, hard board.
Another scheme of the present invention is a kind of riveted structure of flaky material, comprises the overlapped flaky material more than 2 layers together, wherein comprises the layer of metal thin plate at least; The link node place of flaky material is provided with the breach of a shearing, wherein the sheet metal of flaky material is sheared that the shearing of getting off is disconnected to have at least a limit still to be connected on the sheet metal of himself, break at the situation down cut that does not have fracture and also have at least a limit still to be connected on the sheet metal of himself in other flaky material shearing back, all shear disconnected all overlapping, and these are sheared to break and form link node to a direction turnover back.
Optimally; Wherein the optimum position of sheet metal is the skin at flaky material, and flaky material shears that the shearing of back sheet metal is disconnected to encase other parts and turn down the outer bottom surface of being close to flaky material then and form bulk.
Another scheme of the present invention is a kind of flaky material riveting set, is used for the flaky material more than 2 layers overlapped each other that wherein to have one deck at least be sheet metal, and it is disconnected to shear down cut earlier, will shear disconnected extruding turnover back formation node then; It comprises a drift and extruding turnover mould; Drift has the cutting knife of a part cutting and will shear the sidewall of 90 ° of disconnected turnovers; Extruding turnover mould will turn down the disconnected link node of being close to the outer surface of sheet metal and forming bulk that pushes of shearing after 90 °.
Optimally; The flaky material riveting set is provided with many groups according to the needs of link node and position, is used for once finishing the connection of sheet metal.
Another scheme of the present invention is a kind of method of attachment of flaky material, be used for the flaky material of multilayer is riveted connection, at least comprise the layer of metal thin plate in these flaky materials, this sheet metal is in the superiors of flaky material, and it comprises the steps: to be provided with many group drifts and extruding turnover set of molds; Be used on flaky material, forming the link nodes that need more; What flaky material need connect overlaps; The connecting portion of overlapping good flaky material is located in riveting set; Be used for the riveted joint position of flaky material corresponding with drift and extruding turnover set of molds; Drift and the work of extruding turnover set of molds form link node on flaky material.
So advantage of the present invention is that it is more solid and reliable than adopting plastic deformation to form link node owing to adopt the link node of bending structure.This link node can be finished by enough equipment once, so production and processing is convenient and swift, has improved production efficiency.Especially owing to drift and the extrusion die of finishing this link node are very simple, so can be on a pressing equipment to all drifts and extrusion die being installed in requisition for the link node that forms, finish so just can disposable all tie points all make flaky material; Improved production efficiency compared with prior art.
Below in conjunction with Figure of description the present invention is done further disclosure.
Description of drawings
Fig. 1 is the vertical view of flaky material of the present invention;
Fig. 2 is the front view of flaky material of the present invention;
Fig. 3 is the enlarged drawing of flaky material link node of the present invention;
Fig. 4 is the cutting of flaky material of the present invention, the schematic diagram step by step that extruding forms link node;
Fig. 5 for the refrigerator that uses method of the present invention and be connected and fixed at the bottom of the front view of steel plate;
Fig. 6 is the vertical view of Fig. 5.
The specific embodiment
Embodiment 1:
A kind of clinching method of flaky material, present embodiment is riveted connection with 2 layers of sheet metal, see also Fig. 1 and Fig. 2 with overlapping together that sheet plastic A and sheet metal B need be connected, form similar rectangle cut length at the link node place of flaky material, this cut length has at least a limit to be connected with the flaky material of self, two-layer up and down cut length overlaps and through the outer surface turnover of extruding to bottom plastic thin plate A, forms the link node that connects all flaky materials.
See also Fig. 3, cut length is to the turnover of the outer surface of bottom plastic thin plate, and cut length is close to the outer surface of sheet plastic, and is squeezed into bulk by mould and forms link node 1.Link node processes at one time with press device.All link nodes all process at one time with pressing equipment.Certain needs, the also method that can adopt repeatedly punching press to finish according to technology and structure.
Certainly the shape of cut length can be a variety of such as square, polygon, triangle, circle or ellipse etc.
Embodiment 2:
See also Fig. 3, a kind of riveted structure of flaky material, comprise overlapped sheet plastic A and sheet metal B together, link node 1 place of sheet metal is provided with the breach of a cutting, the cut length 2 that sheet metal is cut has at least a limit still to be connected on the sheet metal of himself, 2 layers of cut length are all overlapping, and these cut length 2 form link node 1 to a direction turnover back.
Be close to the outer surface of sheet plastic and form bulk after cut length 2 turnovers.
Structure of the present invention especially be fit to be applied to the end steel plate of refrigerator and micro-wave oven household electrical appliance such as wallboard production and make.
It is the end steel plate of a refrigerator to see also Fig. 5, sees also 6 and just uses structure of the present invention to connect in the position that connects when connecting this steel plate.The application surface of this syndeton is very wide, is suitable for the connection of various sheet metals.
Embodiment 3:
See also Fig. 4, a kind of flaky material riveting set, after being used for 2 layers or multilayer chip material overlapped each other, cutting earlier is cut length down, then cut length extruding turnover back is formed node.
It comprises a drift 10 and extruding turnover mould 20; Drift has the cutting knife 11 of a part cutting and with the sidewall 12 of 90 ° of cut length turnovers; The cut length that extruding turnover mould 20 will turn down after 90 ° is pushed the link node of being close to the outer bottom surface of flaky material and forming bulk.
The riveting set of flaky material is provided with many groups according to the needs of link node and position, is used for once finishing the connection of flaky material.
Embodiment 4:
A kind of method of attachment of flaky material is used for the flaky material of multilayer is riveted connection, comprises the layer of metal thin plate in this flaky material at least, and it comprises the steps;
Many group drifts and extruding turnover set of molds are set; Be used on flaky material, forming the link nodes that need more;
What 2 layers or multilayer chip material require connected overlaps;
The connecting portion of overlapping good flaky material is located in riveting set; Be used for the riveted joint position of flaky material corresponding with drift and extruding turnover set of molds;
See also Fig. 4, drift and the work of extruding turnover set of molds, drift cuts flaky material earlier, and then with 90 ° of cut length turnovers, the cut length after the extruding of extruding turnover mould turns down 90 ° then forms link node on flaky material.
Embodiments of the invention introduce the catenation principle and the structure of two-layer laminated structure, surpass two-layer multilayer chip combination of materials together with this method and structure riveted joint, and structure and operating process that it is whole are constant; Only need adjust slightly and get final product according to the difference of the number of plies.This riveted structure range of application is very extensive, can be used for being connected of rigid material and sheet metal, also can be used for being connected of flexible sheet material and sheet metal, and they are all in protection scope of the present invention; Because structure and method and the above embodiments of the present invention are similar, so the present invention has not just given unnecessary details one by one.
Claims (10)
1. the clinching method of a flaky material is used for the flaky material of multilayer is riveted connection, it is characterized in that:
Having one deck in the flaky material of multilayer at least is sheet metal,
With overlapping that flaky material need connect,
It is disconnected to form shearing at the link node place of flaky material, and this shearing is disconnected to have at least a limit to be connected with the sheet metal of self,
The shearing of the sheet metal in the flaky material is disconnected all to overlap and through the outer surface turnover of extruding to the bottom of flaky material, forms the link node that connects all flaky materials;
The shearing that other flaky material does not fracture after shearing disconnected also with the shearing of metal ripple plate disconnected overlap and through extruding to the turnover of flaky material bottom outer surface, form the link node that connects all flaky materials.
2. the clinching method of flaky material according to claim 1, it is characterized in that: the position of the sheet metal the best in the flaky material is the skin at whole flaky material, wraps by the shearing of sheet metal is disconnected after the shearing of flaky material.
3. the clinching method of flaky material according to claim 1 and 2 is characterized in that: the disconnected bottom outer surface turnover of the shearing of flaky material to flaky material, and shear the disconnected outer surface of being close to flaky material, and be squeezed into bulk by mould and form link node.
4. the clinching method of flaky material according to claim 1 and 2, it is characterized in that: link node machines with the press device one or many.
5. the clinching method of flaky material according to claim 1 is characterized in that: shear disconnected shape and be square, polygon, triangle, circle or oval; Flaky material comprises that the thin plate of rigidity and/or flexible sheet material comprise plastics, leather, cardboard, plank, hard board.
6. the riveted structure of a flaky material comprises the overlapped flaky material more than 2 layers together, wherein comprises the layer of metal thin plate at least; It is characterized in that: the link node place of flaky material is provided with the breach of a shearing, wherein the sheet metal of flaky material is sheared that the shearing of getting off is disconnected to have at least a limit still to be connected on the sheet metal of himself, break at the situation down cut that does not have fracture and also have at least a limit still to be connected on the sheet metal of himself in other flaky material shearing back, all shear disconnected all overlapping, and these are sheared to break and form link node to a direction turnover back.
7. the riveted structure of sheet metal according to claim 6, it is characterized in that: wherein the optimum position of sheet metal is the skin at flaky material, and flaky material shears that the shearing of back sheet metal is disconnected to encase other parts and turn down the outer bottom surface of being close to flaky material then and form bulk.
8. flaky material riveting set is used for the flaky material more than 2 layers overlapped each other that wherein to have one deck at least be sheet metal, and it is disconnected to shear down cut earlier, will shear disconnected extruding turnover back formation node then; It is characterized in that: it comprises a drift and extruding turnover mould; Drift has the cutting knife of a part cutting and will shear the sidewall of 90 ° of disconnected turnovers; Extruding turnover mould will turn down the disconnected link node of being close to the outer surface of sheet metal and forming bulk that pushes of shearing after 90 °.
9. flaky material riveting set according to claim 8 is characterized in that: the flaky material riveting set is provided with many groups according to the needs of link node and position, is used for once finishing the connection of sheet metal.
10. the method for attachment of a flaky material is used for the flaky material of multilayer is riveted connection, comprises the layer of metal thin plate in these flaky materials at least, and this sheet metal is in the superiors of flaky material, and it comprises the steps:
Many group drifts and extruding turnover set of molds are set; Be used on flaky material, forming the link nodes that need more;
What flaky material need connect overlaps;
The connecting portion of overlapping good flaky material is located in riveting set; Be used for the riveted joint position of flaky material corresponding with drift and extruding turnover set of molds;
Drift and the work of extruding turnover set of molds form link node on flaky material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101462046A CN101108405A (en) | 2007-08-28 | 2007-08-28 | Riveting method of sheet material and structure of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101462046A CN101108405A (en) | 2007-08-28 | 2007-08-28 | Riveting method of sheet material and structure of the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101108405A true CN101108405A (en) | 2008-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101462046A Pending CN101108405A (en) | 2007-08-28 | 2007-08-28 | Riveting method of sheet material and structure of the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101108405A (en) |
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2007
- 2007-08-28 CN CNA2007101462046A patent/CN101108405A/en active Pending
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Open date: 20080123 |