CN208390836U - Carbon fibre composite and aluminium alloy are without rivet riveting device - Google Patents
Carbon fibre composite and aluminium alloy are without rivet riveting device Download PDFInfo
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- CN208390836U CN208390836U CN201820325983.XU CN201820325983U CN208390836U CN 208390836 U CN208390836 U CN 208390836U CN 201820325983 U CN201820325983 U CN 201820325983U CN 208390836 U CN208390836 U CN 208390836U
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- spring
- cushion block
- spring cushion
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Abstract
The utility model carbon fibre composite and aluminium alloy belong to composite riveting technical field without rivet riveting device, solve and existing in the prior art easy fibrous fracture, MATRIX CRACKING, interface degumming and the low technical problem of layering, joint performance occur；The utility model includes blank holder, formed punch and cavity plate；The cavity plate includes spring cushion block I, spring cushion block II, spring I, spring II and lower die；The utility model improves tension, shearing resistance and the anti-fatigue performance of connector, and does not need the rivet elements such as rivet, and quality mitigates.
Description
Technical field
The utility model belongs to composite riveting technical field, and in particular to a kind of carbon fibre composite and aluminium alloy
Without rivet riveting device.
Background technique
Safety, energy-saving and environmental protection automobile become the mainstream of 21 century development of automobile, automotive light weight technology is undoubtedly its best way
Diameter, and one of mainstream material of automotive light weight technology is exactly the lightweighting materials such as vehicle material aluminium alloy, composite material, it is especially multiple
Condensation material is even more the preferred material of new-energy automobile, very suitable because of the advantages that its density of material is low, specific strength is high, specific stiffness is high
Close the research and development demand of new-energy automobile.
At the same time, composite material is asked with the important assembly that metal material Lossless join is influence body structure military service performance
Topic.The connection type of existing general composite material and metal material mainly has 3 kinds: being glued, is spirally connected and rivets.It is glued and is spirally connected
There are some the drawbacks of can not overcoming for application in the car: bonding property is affected by environment (wet, hot, corrosive medium),
On orthodox car, the high temperature of engine and exhaust gas, the corrosivity of gasoline, machine oil and anti-icing fluid etc. and the corrosive medium in environment
Have a significant impact to bonding property；And it is bolted easy loosening, reliability is poor, therefore limits its answering in auto industry
With.In contrast, riveting process can effectively solve problem above, and have anti-fatigue performance and resist quiet pulling force characteristic good etc. and is excellent
Point, it has also become develop faster light sheet material MACHINERY JOINT in recent years.
However, in existing carbon fibre composite plate without in rivet technique, due to carbon fibre composite plasticity
Poor, easily generation fibrous fracture, MATRIX CRACKING, interface degumming and layering etc. destroys, and reduces joint performance, or even directly result in and connect
Head failure.On the other hand since carbon fibre composite has higher intensity, have in riveting process to the sleeving and riveting ability of equipment
Higher requirement.
Therefore, in existing no rivet technique, new riveting set is needed, is guaranteed multiple in aluminium alloy and carbon fiber
Condensation material improves the mechanical property of connector without the good riveted joint of forming effect is obtained during rivet.
Utility model content
The purpose of the utility model is to provide carbon fibre composites and aluminium alloy without rivet riveting device, solves existing skill
Fibrous fracture, MATRIX CRACKING, interface degumming and the low technical problem of layering, joint performance easily occur present in art.
In order to solve the above technical problems, the utility model adopts the following technical solution:
The utility model carbon fibre composite and aluminium alloy include blank holder, formed punch and cavity plate without rivet riveting device；
The cavity plate includes spring cushion block I, spring cushion block II, spring I, spring II and lower die；
One through-hole for being used for aligning punch is set at the blank holder structure centre, and in riveting process, formed punch exists
It moves up and down in flanging ring through hole；
The formed punch is an integral structure, including needle body and syringe needle；The needle body be it is cylindric, the syringe needle be rotary table
Shape, syringe needle frustum cone side has a small inclination angle, to close to needle body centerline dip；Arc surface is used between needle body and syringe needle
Transition, syringe needle rotary table top surface and side also use arc surface transition；
The spring cushion block I is cylinder structural member, and the spring cushion block II is with reeded cylinder
Structural member；
The groove of spring cushion block II is located at II end face center of spring cushion block, is cylinder groove, spring cushion block II
Groove floor size is identical as I bed-plate dimension of spring cushion block, the groove surfaces of spring cushion block II contacted with I side of spring cushion block and
It is freely slidable；
Spring I is spiral compression spring, and spring I is placed in II groove of spring cushion block, the outer diameter and spring cushion block of spring I
I basal diameter is identical；
Spring II is spiral compression spring, and the outer diameter of spring II is identical as II basal diameter of spring cushion block；
Lower die is with reeded cylinder structural member；The groove of lower die is located at lower die center, is that cylinder is recessed
The groove floor size of slot, lower die is identical as II bed-plate dimension of spring cushion block, II height of depth of groove and spring cushion block of lower die
Identical with the sum of II length of spring, the groove surfaces of lower die contact and freely slidable with II side of spring cushion block；Spring II is put
It sets in lower die groove.
The basal diameter size of the spring cushion block I is identical as carbon fibre composite plate small aperture, spring cushion block I
Height it is identical with the thickness of carbon fibre composite plate, spring I be spiral compression spring, be placed in II groove of spring cushion block,
I outer diameter of spring is identical as I basal diameter of spring cushion block, and I length of spring, which reaches, supports spring cushion block I completely under non-punching press state
Firmly aluminium alloy plate.
The basal diameter of spring cushion block I is 8mm, a height of 2mm.
Spring I is made of spring steel, stiffness coefficient K1=580N/mm, I outer diameter of spring is 8mm, in I weight of spring cushion block
Length under power effect is 2.5mm.
The bed-plate dimension of spring cushion block II is identical as I bed-plate dimension of spring cushion block, the depth of groove and bullet of spring cushion block II
Spring I 1 ' length under non-punching press state is identical, and the groove surfaces of spring cushion block II contact with I side of spring cushion block and can be free
Sliding；Basal diameter to spring cushion block II is 3 times of carbon fibre composite plate hole diameter, guarantees II top of spring cushion block
It is come into full contact with lower plate, to achieve the purpose that support lower plate.
Spring cushion block II uses aluminum alloy materials, and the basal diameter of the groove of spring cushion block II is 8mm, and depth is
2.5mm；The basal diameter of spring cushion block II is 24mm, is highly 12mm.
Spring II is made of spring steel, stiffness coefficient K2=2180N/mm, spring outer diameter 24mm, in spring cushion block
Length under II gravity is 4mm.
Spring II is spiral compression spring, is placed in lower die groove, the spring outer diameter of spring II and II bottom of spring cushion block
Face diameter is identical, and the length of spring II, which reaches, makes spring cushion block II resist carbon fiber composite completely under non-punching press state
Flitch.
The bed-plate dimension of the groove of lower die is identical as II bed-plate dimension of spring cushion block, the depth and spring pad of the groove of lower die
The sum of II length of II height of block and spring is identical, and the surface of the groove of lower die contacts with II side of spring cushion block and can free skating
It is dynamic；Basal diameter to lower die is times of carbon fibre composite plate hole diameter, guarantees to come into full contact at the top of lower die with lower plate,
To achieve the purpose that support lower plate.
Lower die uses aluminum alloy materials, and the basal diameter of the groove of lower die is 24mm, depth 16mm；The bottom surface of lower die
Diameter is 40mm, is highly 20mm.
Formed punch needle body diameter 13-15mm, needle tip diameter 6-8mm, base diameter 8-10mm, the high 5-7mm of syringe needle, flanging
Circle center positioning through hole diameter is identical as formed punch needle body diameter, and blank holder outer diameter is identical as lower die outer diameter.
The advantageous effects of the utility model: the spring cushion block in the utility model can assist plate, lower die, formed punch same
Heart positioning, guarantees connector neck depth even size distribution；Spring cushion block can pilot punch punching press aluminium alloy plate, form biggish stream
Body static pressure enables aluminum alloy to the deformation of material Uniform Flow, avoids neck cracking；Spring cushion block supports CFRP in punching course
Lower plate is reduced carbon fibre composite plate and is damaged due to stamping press, guarantees the deformation of aluminum alloy materials Uniform Flow
Undercutting is formed, is realized effectively self-locking；It rivets in punching course, spring cushion block resists aluminium alloy plate, and guidance metal Uniform Flow becomes
Shape generates flowing compression, until spring cushion block is completely embedded into spring cushion block groove, two cushion blocks are integrally formed；It is unloading
In the process, recoil of spring keeps connector secondary forming, increases undercutting, effectively increases strength of joint；The utility model realizes nothing
Rivet technique, the technique enable aluminum alloy to plate and form self-locking structure in carbon fibre composite plate through hole, improve connector
Tension, shearing resistance and anti-fatigue performance, and do not need the rivet elements such as rivet, quality mitigates.
Detailed description of the invention
Fig. 1 is the utility model carbon fibre composite and aluminium alloy without rivet riveting device cavity plate explosive view；
Fig. 2 is the utility model carbon fibre composite and aluminium alloy without rivet riveting device cavity plate full sectional view；
Fig. 3 is the utility model carbon fibre composite and aluminium alloy spring cushion block 1 and spring without rivet riveting device
1 ' axis of no-feathering surveys projection view；
Fig. 4 is the utility model carbon fibre composite and aluminium alloy spring cushion block 2 and spring without rivet riveting device
2 ' axis of no-feathering survey projection view；
Fig. 5 is the cavity die structure axonometric projection of the utility model carbon fibre composite and aluminium alloy without rivet riveting device
View；
Fig. 6 is the utility model carbon fibre composite and aluminium alloy without rivet riveting device full sectional view；
Wherein, 1, spring cushion block I, 1 ', spring I, 2, spring cushion block II, 2 ', spring II, 3, lower die, 4, carbon fiber it is compound
Plate of material, 5, aluminium alloy plate, 6, blank holder, 7, formed punch.
Specific embodiment
The utility model is further elaborated with reference to the accompanying drawing.
Embodiment one:
Referring to attached drawing 1-6, the utility model carbon fibre composite and aluminium alloy include blank holder without rivet riveting device
6, formed punch 7 and cavity plate；The cavity plate includes spring cushion block I 1, spring cushion block II 2, spring I 1 ', spring II 2 ' and lower die 3；
One through-hole for being used for aligning punch 7, in riveting process, formed punch 7 are set at 6 structure centre of blank holder
It moves up and down in 6 through-hole of blank holder；
The formed punch 7 is an integral structure, including needle body and syringe needle；The needle body be it is cylindric, the syringe needle be circle
Mesa-shaped, syringe needle frustum cone side has a small inclination angle, to close to needle body centerline dip；Circular arc is used between needle body and syringe needle
Face transition, syringe needle rotary table top surface and side also use arc surface transition；
The spring cushion block I 1 is cylinder structural member, and the spring cushion block II 2 is with reeded cylindrical body
Formula structural member；
The groove of spring cushion block II 2 is located at II 2 end face center of spring cushion block, is cylinder groove, spring cushion block II 2
Bed-plate dimension it is identical as I 1 bed-plate dimension of spring cushion block, the groove surfaces of spring cushion block II 2 are contacted with I 1 side of spring cushion block
And it is freely slidable；
Spring I 1 ' be spiral compression spring, spring I 1 ' be placed in II 2 groove of spring cushion block, spring I 1 ' outer diameter with
I 1 basal diameter of spring cushion block is identical；
Spring II 2 ' be spiral compression spring, spring II 2 ' outer diameter it is identical as II 2 basal diameter of spring cushion block；
Lower die 3 is with reeded cylinder structural member；The groove of lower die 3 is located at 3 center of lower die, is cylindrical body
The groove floor size of formula groove, lower die 3 is identical as II 2 bed-plate dimension of spring cushion block, the depth of groove and spring cushion block of lower die 3
The sum of II 2 ' length of II 2 height and spring is identical, and the groove surfaces of lower die 3 contact with II 2 side of spring cushion block and can free skating
It is dynamic；Spring II 2 ' be placed in 3 groove of lower die.
The basal diameter size of the spring cushion block I 1 is identical as 4 small aperture of carbon fibre composite plate, spring pad
The height of block I 1 is identical as the thickness of carbon fibre composite plate 4, and spring I 1 ' it is spiral compression spring, it is placed on spring cushion block II 2
In groove, I 1 ' outer diameter of spring is identical as I 1 basal diameter of spring cushion block, and I 1 length of spring, which reaches, makes spring cushion block I 1 in non-punching press
Aluminium alloy plate 5 is resisted under state completely.
The basal diameter of spring cushion block I 1 is 8mm, a height of 2mm.
Spring I 1 ' be made of spring steel, stiffness coefficient K1=580N/mm, I 1 ' outer diameter of spring is 8mm, in spring cushion block
Length under I 1 gravity is 2.5mm.
The bed-plate dimension of spring cushion block II 2 is identical as I 1 bed-plate dimension of spring cushion block, the depth of groove of spring cushion block II 2 with
Spring I 1 ' length under non-punching press state is identical, and the groove surfaces of spring cushion block II 2 contact with I 1 side of spring cushion block and can
It is free to slide；Basal diameter to spring cushion block II 2 is 3 times of 4 hole diameter of carbon fibre composite plate, guarantees spring cushion block
II 2 tops come into full contact with lower plate, to achieve the purpose that support lower plate.
Spring cushion block II 2 uses aluminum alloy materials, and the basal diameter of the groove of spring cushion block II 2 is 8mm, and depth is
2.5mm；The basal diameter of spring cushion block II 2 is 24mm, is highly 12mm.
Spring II 2 ' be made of spring steel, stiffness coefficient K2=2180N/mm, spring outer diameter 24mm, in spring cushion block
Length under II 2 gravity is 4mm.
Spring II 2 ' be spiral compression spring, be placed in 3 groove of lower die, spring II 2 ' spring outer diameter and spring cushion block
II 2 basal diameters are identical, spring II 2 ' length reach spring cushion block II 2 made to resist carbon fiber completely under non-punching press state
Tie up composite panel 4.
The bed-plate dimension of the groove of lower die 3 is identical as II 2 bed-plate dimension of spring cushion block, the depth and bullet of the groove of lower die 3
The sum of II 2 height of spring cushion block and II 2 ' length of spring are identical, the surface of the groove of lower die 3 contacted with II 2 side of spring cushion block and
It is freely slidable；To 5 times that the basal diameter of lower die 3 is 4 hole diameter of carbon fibre composite plate, guarantee 3 top of lower die with
Lower plate comes into full contact with, to achieve the purpose that support lower plate.
Lower die 3 uses aluminum alloy materials, and the basal diameter of the groove of lower die 3 is 24mm, depth 16mm；The bottom of lower die 3
Face diameter is 40mm, is highly 20mm.
7 needle body diameter 13-15mm of formed punch, needle tip diameter 6-8mm, base diameter 8-10mm, the high 5-7mm of syringe needle, pressure
6 centralized positioning through-hole diameter of flange is identical as 7 needle body diameter of formed punch, and blank holder outer diameter is identical as 3 outer diameter of lower die.
Claims (7)
1. carbon fibre composite and aluminium alloy are without rivet riveting device, which is characterized in that including blank holder (6), formed punch (7) and
Cavity plate；The cavity plate includes spring cushion block I (1), spring cushion block II (2), spring I (1 '), spring II (2 ') and lower die (3)；
One through-hole for being used for aligning punch (7), in riveting process, formed punch are set at described blank holder (6) structure centre
(7) it moves up and down in blank holder (6) through-hole；
The formed punch (7) is an integral structure, including needle body and syringe needle；The needle body be it is cylindric, the syringe needle be rotary table
Shape, syringe needle frustum cone side has a small inclination angle, to close to needle body centerline dip；Arc surface is used between needle body and syringe needle
Transition, syringe needle rotary table top surface and side also use arc surface transition；
The spring cushion block I (1) is cylinder structural member, and the spring cushion block II (2) is with reeded cylindrical body
Formula structural member；
The groove of spring cushion block II (2) is located at spring cushion block II (2) end face center, is cylinder groove, spring cushion block II
(2) groove floor size is identical as spring cushion block I (1) bed-plate dimension, the groove surfaces and spring cushion block of spring cushion block II (2)
I (1) side contact and it is freely slidable；
Spring I (1 ') is spiral compression spring, and spring I (1 ') is placed in spring cushion block II (2) groove, outside spring I (1 ')
Diameter is identical as spring cushion block I (1) basal diameter；
Spring II (2 ') is spiral compression spring, and the outer diameter of spring II (2 ') is identical as spring cushion block II (2) basal diameter；
Lower die (3) is with reeded cylinder structural member；The groove of lower die (3) is located at lower die (3) center, is cylindrical body
The groove floor size of formula groove, lower die (3) is identical as spring cushion block II (2) bed-plate dimension, the depth of groove and bullet of lower die (3)
Spring cushion block II (2) is highly identical with the sum of spring II (2 ') length, the groove surfaces of lower die (3) and spring cushion block II (2) side
It contacts and freely slidable；Spring II (2 ') is placed in lower die (3) groove.
2. carbon fibre composite according to claim 1 and aluminium alloy are without rivet riveting device, which is characterized in that described
Spring cushion block I (1) basal diameter size it is identical as carbon fibre composite plate (4) small aperture, spring cushion block I (1)
High identical as the thickness of carbon fibre composite plate (4), spring I (1 ') is spiral compression spring, is placed on spring cushion block II (2)
In groove, spring I (1 ') outer diameter is identical as spring cushion block I (1) basal diameter, and spring I (1 ') length, which reaches, makes spring cushion block I
(1) it is resisted completely under non-punching press state aluminium alloy plate (5).
3. carbon fibre composite according to claim 1 and aluminium alloy are without rivet riveting device, which is characterized in that spring
The basal diameter of cushion block I (1) is 8mm, a height of 2mm；
Spring I (1 ') is made of spring steel, stiffness coefficient K1=580N/mm, spring I (1 ') outer diameter is 8mm, in spring cushion block I
(1) length under gravity is 2.5mm.
4. carbon fibre composite according to claim 1 and aluminium alloy are without rivet riveting device, which is characterized in that spring
The bed-plate dimension of cushion block II (2) is identical as spring cushion block I (1) bed-plate dimension, the depth of groove and spring I of spring cushion block II (2)
The length of (1 ') under non-punching press state is identical, the groove surfaces of spring cushion block II (2) contacted with spring cushion block I (1) side and
It is freely slidable；Basal diameter to spring cushion block II (2) is 3 times of carbon fibre composite plate (4) hole diameter, guarantees bullet
It is come into full contact at the top of spring cushion block II (2) with lower plate, to achieve the purpose that support lower plate.
5. carbon fibre composite according to claim 1 and aluminium alloy are without rivet riveting device, which is characterized in that spring
Cushion block II (2) uses aluminum alloy materials, and the basal diameter of the groove of spring cushion block II (2) is 8mm, depth 2.5mm；Spring pad
The basal diameter of block II (2) is 24mm, is highly 12mm；
Spring II (2 ') is made of spring steel, stiffness coefficient K2=2180N/mm, spring outer diameter 24mm, in spring cushion block II
(2) length under gravity is 4mm.
6. carbon fibre composite according to claim 1 and aluminium alloy are without rivet riveting device, which is characterized in that lower die
(3) aluminum alloy materials are used, the basal diameter of the groove of lower die (3) is 24mm, depth 16mm；The basal diameter of lower die (3)
It is highly 20mm for 40mm.
7. carbon fibre composite according to claim 1 and aluminium alloy are without rivet riveting device, which is characterized in that formed punch
(7) needle body diameter 13-15mm, needle tip diameter 6-8mm, base diameter 8-10mm, the high 5-7mm of syringe needle, blank holder (6) center
Positioning through hole diameter is identical as formed punch (7) needle body diameter, and blank holder outer diameter is identical as lower die (3) outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820325983.XU CN208390836U (en) | 2018-03-09 | 2018-03-09 | Carbon fibre composite and aluminium alloy are without rivet riveting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820325983.XU CN208390836U (en) | 2018-03-09 | 2018-03-09 | Carbon fibre composite and aluminium alloy are without rivet riveting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208390836U true CN208390836U (en) | 2019-01-18 |
Family
ID=65063857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820325983.XU Withdrawn - After Issue CN208390836U (en) | 2018-03-09 | 2018-03-09 | Carbon fibre composite and aluminium alloy are without rivet riveting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208390836U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380765A (en) * | 2018-03-09 | 2018-08-10 | 吉林大学 | Carbon fibre composite is with aluminium alloy without rivet riveting device and method |
-
2018
- 2018-03-09 CN CN201820325983.XU patent/CN208390836U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380765A (en) * | 2018-03-09 | 2018-08-10 | 吉林大学 | Carbon fibre composite is with aluminium alloy without rivet riveting device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190118 Effective date of abandoning: 20230606 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190118 Effective date of abandoning: 20230606 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |