CN208427607U - A kind of no rivet mold - Google Patents
A kind of no rivet mold Download PDFInfo
- Publication number
- CN208427607U CN208427607U CN201721627577.0U CN201721627577U CN208427607U CN 208427607 U CN208427607 U CN 208427607U CN 201721627577 U CN201721627577 U CN 201721627577U CN 208427607 U CN208427607 U CN 208427607U
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- China
- Prior art keywords
- column part
- locking member
- punch
- die case
- die
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Abstract
The utility model discloses a kind of no rivet mold, including punch-pin and cavity plate, and the punch-pin includes punch insert and demoulding with elasticity part, and the cavity plate includes die case, and die plate insert is equipped in the die case；The die plate insert includes having the first concentric column part, the second column part, third column part, is integrally formed；Second column part and die case are interference fitted, the locking member for wrapping tightly the first column part is equipped with outside first column part, and locking member is higher than the first column part and locking member is made to surround the first column part formation riveting groove, the locking member is to divide valve block to be combined by the annulus of the same specification of several piece, the elastic ring for locking and linking together each annulus block is equipped with outside the locking member, the corresponding die case inner wall of the flexible rubber ring is equipped with groove circle, and the die case is additionally provided with several gas vents.The utility model is simple and reasonable, ingenious in design, at low cost without rivet, riveting, and smoke dust discharge is very environmentally friendly.
Description
Technical field
The utility model relates to a kind of molds for riveting metal plate, more particularly to a kind of no rivet mould
Tool.
Background technique
With the development of industrial technology, various lightweights, high-intensitive metal material are widely used in automobile, household electrical appliances etc.
Manufacturing field.Traditional metalwork connection type is such as: the methods of spot welding, bonding, core pulling riveting connection all have certain limitation.
As the connector of spot welding aluminium alloy and high-strength steel is easy to appear rosin joint, splash and has the defects of soot emissions；Bonding way then needs
Want special just surface treatment technique；Core pulling riveting connection needs additional rivet again, increases riveting cost.These all affect metal
The cost and effect connecting with metal, some connection types also have the discharge of toxic gas, cause certain damage to the person.
Instantly be badly in need of research and develop it is a kind of riveting it is at low cost, riveting effect it is good without nail riveting connecting mold.
Utility model content
To overcome the deficiencies in the prior art described above, the purpose of this utility model is to provide it is a kind of it is simple and reasonable,
It is ingenious in design, without rivet, riveting is at low cost, smoke dust discharge, the riveting die set connecting for metal with metal.
It is a kind of without nail riveting riveting die set, including punch-pin and cavity plate, the punch-pin includes punch insert and demoulding with elasticity part, described
Cavity plate includes die case, and die plate insert is equipped in the die case；The die plate insert include have the first concentric column part,
Second column part, third column part, first column part top is for bearing punch-pin stamping press, the third circle
Post part is mounting part, the first column part, third column part diameter be respectively less than the second column part, three in one
Molding；Second column part and die case are interference fitted, and the locking for wrapping tightly the first column part is equipped with outside the first column part
Part, and locking member is higher than the first column part and locking member is made to surround the first column part formation riveting groove, the locking member is
Divide valve block to be combined by the annulus of the same specification of several piece, be in open column shape inside the locking member, locking member bottom is in loudspeaker
Shape；The elastic ring for locking and linking together each annulus block is equipped with outside the locking member, the elastic ring is corresponding
Die case inner wall is equipped with groove circle, and the die case is additionally provided with several gas vents.
Further, the annulus block is 2 to 6 pieces, and the locking member that the annulus block forms when being 3 pieces is best.
Further, the described elastic ring can be cushion rubber or spring-pulling ring.
For the utility model the utility model has the advantages that the utility model structure is simple, ingenious in design, the riveting effect of sheet metal is good.
The two or more layers sheet metal being riveted together will be needed to overlap to be placed on above punch-pin or cavity plate, punch-pin and cavity plate
Position is interchangeable, and when the downward punched metal sheet of punch-pin, sheet metal is pressed into riveting slot by punch-pin.Due to being outside locking member
It is fastened by elastic ring, when locking member is by sufficiently large outside power, the annulus block for forming locking member just overcomes flexible rubber ring
It upholds outward.So the riveting part of two metal sheets is downwardly concaved in riveting slot after punch insert punching press, and the riveted of two metal sheets
Portion's bottom metal material flows protrusion around, forms a bump structure.Two metal sheets have been tightly attached under punch-pin punching press
Together, and the bump structure of riveting part makes upper layer sheet metal form taper to be embedded in and block and can not separate in lower metal piece, this
Sample enables the abundant riveted of sheet metal, increases riveted area, and the bottom bump structure of riveting part also makes the riveting between sheet metal
It is more preferable to connect intensity.Die case is equipped with gas vent, prevents the air pressure during stamping riveting in die case from increasing suddenly and making annulus
Dividing valve block that cannot uphold around very well causes riveting effect poor.
Detailed description of the invention
Below the required attached drawing of utility model will be briefly described, it should be apparent that, it is described below
Attached drawing is only the preferred embodiment of the utility model, for those of ordinary skill in the art, is not paying creative labor
Under the premise of dynamic, other attached drawings can also be obtained according to this attached drawing.
FIG. 1 is a schematic structural view of the utility model
Fig. 2 is the utility model exploded view
Fig. 3 is the utility model cavity plate cross-sectional view
Fig. 4 is die case cross-sectional view
Fig. 5 is sheet metal riveting part schematic diagram
Specific embodiment
Below in conjunction with embodiment and Figure of description, to the technical scheme in the embodiment of the utility model carry out it is clear,
It is fully described by.
A kind of no rivet mold as shown in Figure 1 to Figure 3, including punch-pin 1 and cavity plate 2, the punch-pin 1 include punch-pin
Core 102 and demoulding with elasticity part 101.The cavity plate 2 includes open column shape die case 201, is equipped with die plate insert in the die case 201
202.The die plate insert 202 includes having the first concentric column part 2021, the second column part 2022, third cylinder
Part 2023, for bearing punch-pin stamping press, the third column part 2023 is on 2022 top of the first column part
Mounting part, the first column part 2021, third column part 2023 diameter be respectively less than the second column part 2022, three
It is integrally formed.Second column part 2022 is interference fitted with die case 201, is equipped with outside the first column part 2021 and is wrapped tightly first
The locking member 3 of column part, and locking member 3 is higher than the first column part 2021 and forms the first column part of encirclement of locking member 3
Groove 4 is riveted, the locking member 3 is to divide valve block 301 to be combined by the annulus of 3 pieces of same specifications, inside the locking member 3
In open column shape, 3 bottom of locking member is in horn-like；It is equipped with outside the locking member 3 for dividing each annulus to the locking of valve block 301 simultaneously
The flexible rubber ring 5 to link together, corresponding 201 inner wall of die case of the flexible rubber ring 5 are equipped with groove circle 2011, the cavity plate
Set 201 is additionally provided with several gas vents 2012.
The no rivet riveting connecting mold further includes punch-pin 1, and the punch-pin 1 includes demoulding with elasticity part 101, and the elasticity is de-
Punch insert 102 is equipped in module 101,102 diameter of punch insert is more smaller than 2021 diameter of the first column part, generally according to need
The punch insert 102 of the material and thickness to be riveted selection different-diameter.
The punch-pin 1, cavity plate 2 are set to the upper of riveting set, punch-pin 1, cavity plate 2 axle center be located along the same line, it is practical
It is interchangeable using convex mould 1,2 position of cavity plate.
Working principle: two pieces of sheet metals being riveted together will be needed to overlap and be placed on 2 top of cavity plate, the punch-pin of punch-pin 1
The downward punched metal sheet of core 102, the sheet metal of overlapping is pressed into riveting slot 4 by punch insert 102 together, outside locking member 3
It is only fastened by flexible rubber ring 5, when locking member 3 is by sufficiently large outside power, forms the annulus block 301 of locking member 3 just
Flexible rubber ring 5 is overcome to uphold outward.So the riveting part 6 of two metal sheets is downwardly concaved in riveting slot by punch-pin punching press (such as Fig. 5 institute
Show), and 6 bottom metal material of riveting part of two metal sheets flows protrusion around, forms a bump structure 601.Two metals
Piece has been close together under 1 punching press of punch-pin, and the bump structure 601 of riveting part 6 inlays upper layer sheet metal formation taper
It in lower metal piece and can not separate, enable the abundant riveted of sheet metal in this way, increase riveted area, and the bottom of riveting part 6
Portion's bump structure 601 also makes the riveting intensity between sheet metal more preferable.Die case 201 is equipped with gas vent 2012, prevents punching press riveting
Air pressure in termination process in die case 201 increases suddenly and annulus block 301 is prevented to cause to rivet effect from upholding around very well
Difference.After the molding of the riveting part 6, the demoulding with elasticity part 101 of punch-pin 1 is detached from the rebound of punch insert 102 using the elasticity of itself should
The sheet metal of riveting avoids sheet metal from sticking on punch insert 102.
Obviously, described embodiment is only the preferred embodiment of the utility model, rather than whole embodiments.It is based on
The embodiments of the present invention, those skilled in the art obtain other implementations without making creative work
Example, fall within the protection scope of the utility model.
Claims (3)
1. a kind of no rivet mold, including punch-pin and cavity plate, the punch-pin include punch insert and demoulding with elasticity part, feature
Be: the cavity plate includes die case, and die plate insert is equipped in the die case；The die plate insert includes having concentric first
Column part, the second column part, third column part, first column part top is for bearing punch-pin stamping press, institute
The third column part stated be mounting part, the first column part, third column part diameter be respectively less than the second cylindrical portion
Point, it is integrally formed；Second column part and die case are interference fitted, and are equipped with outside the first column part and are wrapped tightly the first cylinder
Partial locking member, and locking member is higher than the first post part and locking member is made to surround the first post part formation riveting groove, the lock
Tight part is to divide valve block to be combined by the annulus of the same specification of several piece, is in open column shape, locking member bottom inside the locking member
In horn-like；The elastic ring for locking and linking together each annulus block, the elastic ring are equipped with outside the locking member
Corresponding die case inner wall is equipped with groove circle, and the die case is additionally provided with several gas vents.
2. a kind of no rivet mold according to claim 1, it is characterised in that: the annulus block is 2 to 6 pieces.
3. according to claim 1 or a kind of no rivet mold as claimed in claim 2, it is characterised in that: the described elasticity
Circle can be cushion rubber or spring-pulling ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627577.0U CN208427607U (en) | 2017-11-29 | 2017-11-29 | A kind of no rivet mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721627577.0U CN208427607U (en) | 2017-11-29 | 2017-11-29 | A kind of no rivet mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208427607U true CN208427607U (en) | 2019-01-25 |
Family
ID=65105402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721627577.0U Active CN208427607U (en) | 2017-11-29 | 2017-11-29 | A kind of no rivet mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208427607U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296195A (en) * | 2019-07-24 | 2021-02-02 | Btm有限责任公司 | Sheet metal joining apparatus with die assembly |
-
2017
- 2017-11-29 CN CN201721627577.0U patent/CN208427607U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296195A (en) * | 2019-07-24 | 2021-02-02 | Btm有限责任公司 | Sheet metal joining apparatus with die assembly |
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