CN207271979U - Heat sink stitch bias riveting set - Google Patents
Heat sink stitch bias riveting set Download PDFInfo
- Publication number
- CN207271979U CN207271979U CN201721369754.XU CN201721369754U CN207271979U CN 207271979 U CN207271979 U CN 207271979U CN 201721369754 U CN201721369754 U CN 201721369754U CN 207271979 U CN207271979 U CN 207271979U
- Authority
- CN
- China
- Prior art keywords
- riveting
- heat sink
- stitch
- cylinder
- damping sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
It the utility model is related to heat sink stitch bias riveting set, including bottom plate, bottom plate is equipped with riveting component, including stock guide, damping sheet, riveting punch, resetting spring, stock guide is equipped with guide rail, heat sink to be riveted moves on the guide rail in stock guide, and stock guide top is equipped with damping sheet, and riveting drift head and resetting spring are housed in damping sheet；Cylinder assembly includes cylinder, is fixed on close to switch, gear push rod, limit base, cylinder on supporting plate, is equipped with close to switch, gear push rod and is locked on the push rod of cylinder on cylinder；Eccentric wheel is installed in supporting plate with pivot pin, and cylinder is rotated by gear push rod band movable eccentric wheel, and eccentric wheel, which pushes, rivets punch, the material in extruded radiating fins near stitch, so as to the stitch above heat sink be riveted firm.The heat sink of the utility model stitch bias riveting set, realizes the positioning riveting of heat sink stitch automatically, and apparatus structure is simple, and production efficiency is high, and quality is high, and cost is greatly lowered, and synthesis is cost-effective.
Description
Technical field
This application involves heat sink manufacture field, especially a kind of heat sink stitch bias riveting set.
Background technology
Small heat dissipating plate is electronic product accessory, is widely applied in all kinds of radiators and electronic circuit.In the life of heat sink
, it is necessary to carry out stitch riveting to heat sink during production, riveting fixed form is a variety of.
In the prior art, all it is to be riveted by the stitch having been manually done to heat sink.But the small material of stitch size is soft, by hand
It is not easy riveting and quality cannot be guaranteed, also reduces production efficiency.
Utility model content
The application provides heat sink stitch bias riveting set, realizes to the automatic of the stitch fixed form in heat sink
Riveting, solves the problems, such as existing heat sink stitch riveting low production efficiency, of low quality.
A kind of heat sink stitch bias riveting set, a kind of heat sink stitch bias riveting set, including bottom plate, institute
State bottom plate and be equipped with riveting component, supporting plate component, cylinder assembly and eccentric wheel, wherein,
The riveting component includes stock guide, damping sheet, the riveting good resetting spring of punch, is equipped with and leads in the stock guide
Rail, the damping sheet are located at the stock guide top, and the damping sheet is built-in the riveting drift head and resetting spring, to be riveted
Heat sink moves to riveting location on the guide rail in the stock guide, the riveting punch is pressed under the action of the eccentric wheel
After riveting stitch, pass through the resetting spring homing；
The supporting plate component includes first support plate, second support plate, the 3rd supporting plate, and the first support plate is fixed
On the bottom plate, the second support plate and the 3rd supporting plate are installed in the top of the first support plate；
The cylinder assembly includes cylinder, is fixed on second support close to switch, gear push rod, limit base, the cylinder
On plate, air inlet pipe is connected to solenoid valve, and the cylinder is controlled by PLC controller；The close switch is housed on the cylinder,
It is described to connect the PLC controller close to switch one end, sense the action of cylinder, feedback signal to the PLC controller；It is described
Gear push rod is locked on the push rod of the cylinder；So-called limit base is fixed on the 3rd supporting plate, offsets the gear push rod
The upward reaction force produced during eccentric wheel is promoted；
The eccentric wheel is installed in the 3rd supporting plate with pivot pin, and the cylinder is driven described inclined by the gear push rod
Heart wheel rotates, and the eccentric wheel pushes the riveting punch, extrudes the material near stitch in the heat sink to be riveted, so that
Stitch riveting inside heat sink is firm.
Preferably, the limited block and spacing block drive being additionally provided with the stock guide in the guide rail, institute
State spacing block drive to be used for when the heat sink to be riveted is delivered at material feeding platform, drive the limited block to be led from described
Ejection in rail, to limit heat sink slip.
Preferably, the damping sheet is equipped with a ball prepressing structure, and the compression spring power transmission in the damping sheet is extremely
Ball, protrudes the ball of the damping sheet lower surface to the suitable precompression of heat sink on the riveting location, to limit place
Slided in the heat sink on riveting location.
Preferably, a tiny limit spring is provided with the damping sheet, limits the stitch of the heat sink
Play after loading heat sink, ensures stitch riveting precision.
The beneficial effect of the application is that the application controls cylinder assembly to act by PLC controller in equipment, is driven eccentric
The riveting punch being riveted under wheel in component, the stitch riveting being loaded into inside the heat sink on stock guide riveting location, so that
Realize and the automatic stitch of heat sink is riveted, apparatus structure is simple, and production efficiency is high, and quality is high, and cost is greatly lowered, comprehensive
It is cost-effective.
Brief description of the drawings
Fig. 1 is the structural front view of the heat sink stitch bias riveting set of the utility model patent；
Fig. 2 is the structure sectional view of the heat sink stitch bias riveting set of the utility model patent；
Fig. 3 is the structure top view of the heat sink stitch bias riveting set of the utility model patent.
Above in each figure, 1-- bottom plates；2-- rivets component；21-- stock guides；22-- damping sheets；23-- rivets punch；
24-- resetting springs；25-- limited blocks；The spacing block drives of 26--；3-- supporting plate components；31-- first support plates；32--
Two supporting plates；The 3rd supporting plates of 33--；4-- cylinder assemblies；41- cylinders；The close switches of 42--；43-- gear push rods；44-- is limited
Position seat；5-- eccentric wheels.
Embodiment
The utility model is described in further detail below by embodiment combination attached drawing.
A kind of heat sink stitch bias riveting set, as shown in Figure 1, it includes bottom plate 1, is equipped with riveting on bottom plate 1
Component 2, supporting plate component 3, cylinder assembly 4 and eccentric wheel 5.Riveting component 2 includes stock guide 21, damping sheet 22, riveting punch
23rd, resetting spring 24, stock guide 21 is interior to be equipped with guide rail, and heat sink to be riveted moves to riveting on the guide rail in stock guide 21
Position, 21 top of stock guide are equipped with damping sheet 22, riveting drift first 23 and resetting spring 24 are housed in damping sheet 22, rivet punch 23
Press under the action of eccentric wheel 5 after stitch, pass through 24 homing of resetting spring.Supporting plate component 3 includes first support plate
31st, second support plate 32, the 3rd supporting plate 33, first support plate 31 are fixed on the top of bottom plate 1, the top of its first support plate 31
Portion's installation second support plate 32, the 3rd supporting plate 33.
Cylinder assembly 4 includes cylinder 41, is fixed on supporting plate close to switch 42, gear push rod 43, limit base 44, cylinder 41
On 32, tracheae is connected to solenoid valve, is acted by the PLC controller control cylinder 41 above equipment；Close open is housed on cylinder 41
42 are closed, the PLC controller close in switch one end connection equipment, senses the action of cylinder, feedback signal to PLC controller；Tooth
Wheel push rod 43 is locked on the push rod of cylinder 41；Limit base 44 is fixed on supporting plate 33, is offset gear push rod 43 and is being promoted partially
The upward reaction force produced during heart wheel 5.Eccentric wheel 5 is installed in supporting plate 33 with pivot pin, and cylinder 41 passes through gear
Push rod 43 is rotated with movable eccentric wheel 5, and eccentric wheel 5 pushes riveting punch 23, extrudes the material near stitch in heat sink to be riveted
Material, so as to the stitch inside heat sink be riveted firm.
In one embodiment, the limited block 25 and spacing block drive being additionally provided with stock guide 21 in guide rail
26, spacing block drive is used for when heat sink is delivered at material feeding platform, and driving limited block 25 is ejected out of guide rail, to limit
Heat sink slides.
In one embodiment, a ball prepressing structure is provided with damping sheet 22, the compression spring power transmission in plate is extremely
Ball, the ball of 22 lower surface of protrusion damping sheet is to the suitable precompression of heat sink on riveting location, with limitation in riveting
Heat sink on position slides.
In one embodiment, a tiny limit spring is provided with damping sheet 22, stitch is limited and loads heat sink
Play afterwards, ensures the positional precision after stitch riveting.
The heat sink of the application stitch bias riveting set, controls cylinder assembly to act by PLC controller in equipment,
The riveting punch in riveting component, the stitch riveting being loaded into inside the heat sink on stock guide riveting location are pushed with movable eccentric wheel
Connect, riveted so as to fulfill to the automatic stitch of heat sink, apparatus structure is simple, and production efficiency is high, and quality is high, and cost is low, comprehensive
It is cost-effective.
Above content is to combine specific embodiment further detailed description of the utility model, it is impossible to is assert
The specific implementation of the utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, some simple deduction or replace can also be made.
Claims (4)
1. a kind of heat sink stitch bias riveting set, including bottom plate, it is characterised in that the bottom plate is equipped with riveting group
Part, supporting plate component, cylinder assembly and eccentric wheel, wherein,
The riveting component includes stock guide, damping sheet, the riveting good resetting spring of punch, and guide rail, institute are equipped with the stock guide
State damping sheet and be located at the stock guide top, the damping sheet is built-in the riveting drift head and resetting spring, heat dissipation to be riveted
Piece moves to riveting location on the guide rail in the stock guide, the riveting punch presses pin under the action of the eccentric wheel
After foot, pass through the resetting spring homing；
The supporting plate component includes first support plate, second support plate, the 3rd supporting plate, and the first support plate is fixed on institute
State on bottom plate, the second support plate and the 3rd supporting plate are installed in the top of the first support plate；
The cylinder assembly includes cylinder, is fixed on close to switch, gear push rod, limit base, the cylinder on second support plate,
Air inlet pipe is connected to solenoid valve, and the cylinder is controlled by PLC controller；It is described equipped with described close to switch on the cylinder
The PLC controller is connected close to switch one end, senses the action of cylinder, feedback signal to the PLC controller；The gear
Push rod is locked on the push rod of the cylinder；So-called limit base is fixed on the 3rd supporting plate, is offset the gear push rod and is being pushed away
The upward reaction force produced during movable eccentric wheel；
The eccentric wheel is installed in the 3rd supporting plate with pivot pin, and the cylinder drives the eccentric wheel by the gear push rod
Rotation, the eccentric wheel push the riveting punch, extrude the material near stitch in the heat sink to be riveted, so as to will dissipate
Stitch riveting inside backing is firm.
2. heat sink according to claim 1 stitch bias riveting set, it is characterised in that also set on the stock guide
There are the limited block in the guide rail and spacing block drive, the spacing block drive is used for described to be riveted scattered
When backing is delivered at material feeding platform, the limited block is driven to be ejected out of described guide rail, to limit heat sink slip.
3. heat sink according to claim 1 stitch bias riveting set, it is characterised in that the damping sheet is equipped with
One ball prepressing structure, compression spring power transmission in the damping sheet to ball, protrudes the ball of the damping sheet lower surface
To the suitable precompression of heat sink on the riveting location, slided with the heat sink limited on riveting location.
4. heat sink according to claim 1 stitch bias riveting set, it is characterised in that set on the damping sheet
There is a tiny limit spring, the stitch for limiting the heat sink loads play after heat sink, ensures stitch riveting essence
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721369754.XU CN207271979U (en) | 2017-10-23 | 2017-10-23 | Heat sink stitch bias riveting set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721369754.XU CN207271979U (en) | 2017-10-23 | 2017-10-23 | Heat sink stitch bias riveting set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207271979U true CN207271979U (en) | 2018-04-27 |
Family
ID=61979868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721369754.XU Expired - Fee Related CN207271979U (en) | 2017-10-23 | 2017-10-23 | Heat sink stitch bias riveting set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207271979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604669A (en) * | 2020-05-25 | 2020-09-01 | 维迪兴业科技(深圳)有限公司 | Pin structure on heat dissipation plate |
-
2017
- 2017-10-23 CN CN201721369754.XU patent/CN207271979U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111604669A (en) * | 2020-05-25 | 2020-09-01 | 维迪兴业科技(深圳)有限公司 | Pin structure on heat dissipation plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20211023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |