CN208258309U - Aluminum substrate contact pin fixing device - Google Patents
Aluminum substrate contact pin fixing device Download PDFInfo
- Publication number
- CN208258309U CN208258309U CN201820874411.7U CN201820874411U CN208258309U CN 208258309 U CN208258309 U CN 208258309U CN 201820874411 U CN201820874411 U CN 201820874411U CN 208258309 U CN208258309 U CN 208258309U
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- contact pin
- pulling buckle
- locating rack
- aluminum substrate
- fixing device
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Abstract
The utility model provides a kind of aluminum substrate contact pin fixing device, including contact pin locating rack, at least one pulling buckle, wherein: on the contact pin locating rack have it is multiple respectively with the one-to-one pin holes of contact pin pad on aluminum substrate, and the aperture of the pin holes be greater than contact pin thin portion diameter, less than the diameter of the contact pin thick portion；The main part of the pulling buckle is parallel to the contact pin locating rack, and is installed to the contact pin locating rack with manner；When the pulling buckle moves to first position relative to the contact pin locating rack, the pin holes of the contact pin locating rack are exposed to the main part of the pulling buckle, and when the pulling buckle moves to the second position relative to the contact pin locating rack, the main part of the pulling buckle covers the pin holes.The utility model realizes the support and release of contact pin by translation of the pulling buckle relative to contact pin locating rack, so that the contact pin that can avoid in overturning or circular flow is fallen.
Description
Technical field
The utility model relates to power amplifier board tooling fields, more specifically to a kind of aluminum substrate contact pin fixing device.
Background technique
In the industries such as communication power supply, automobile power source, Industry Control, the power amplifier board that would commonly be used for constant power device is set
It is calculated as modular aluminum substrate, primary placements' power device on the aluminum substrate, and by the aluminum substrate and controlled using contact pin technique
Circuit communication between plate, realize veneer between interconnect.
The critical process of aluminum substrate is contact pin welding procedure, in the process, contact pin need to be used fixing tool in stokehold
The precise positioning on PCB (Printed Circuit Board, printed circuit board), prevents from deviating.Contact pin stokehold fixation at present is more
Using contact pin positioning tool in such a way that cystosepiment combines: contact pin positioning tool realizes contact pin positioning, contact pin position mistake thereon
Hole is corresponding with contact pin pad on PCB；Cystosepiment realizes that contact pin is fixed, and does not fall after being buckled on contact pin positioning tool.
But the technique that above-mentioned contact pin positioning tool is combined with cystosepiment has the following problems:
1) cystosepiment fixing clamp holding force is insufficient, and in contact pin circular flow, part contact pin can fall part；
2) cystosepiment need to now be cut out, and recycling rate of waterused is low, waste consumptive material；
3) production link is chaotic, does not meet SMT (Surface Mount Technology, surface mount process) vehicle
Between management regulation；
4) stokehold SMT foam of choosing wastes time；
5) it is unfavorable for automatic pin, production efficiency is low；
6) compatibility is low, in the case of contact pin is different in size, is difficult to realize and fixes.
Utility model content
The technical problem to be solved by the present invention is to weld cumbersome, contact pin for above-mentioned aluminum substrate contact pin and exist
The problem of being easy in circular flow provides a kind of aluminum substrate contact pin fixing device.
The technical solution that the utility model solves above-mentioned technical problem is to provide a kind of aluminum substrate contact pin fixing device, wraps
Include contact pin locating rack, at least one pulling buckle, in which: weld respectively with the contact pin on aluminum substrate on the contact pin locating rack with multiple
The one-to-one pin holes of disk, and the aperture of the pin holes is greater than the diameter of the thin portion of contact pin, less than the contact pin thick portion
Diameter；The main part of the pulling buckle is parallel to the contact pin locating rack, and is installed to the contact pin locating rack with manner；?
When the pulling buckle moves to first position relative to the contact pin locating rack, the pin holes of the contact pin locating rack are exposed to described
Pulling buckle main part, and when the pulling buckle moves to the second position relative to the contact pin locating rack, the main part of the pulling buckle
Cover the pin holes.
In aluminum substrate contact pin fixing device described in the utility model, in the pulling buckle have it is multiple respectively at least portion
Divide the pin holes corresponding access hole, and the aperture of the access hole is greater than the diameter of the thick portion of the contact pin；In the drawing
When button moves to first position relative to the contact pin locating rack, the correspondence contact pin of contact pin locating rack described in the access hole face
Hole, and when the pulling buckle moves to the second position relative to the contact pin locating rack, the access hole and the contact pin position
The correspondence pin holes of frame interlace out.
In aluminum substrate contact pin fixing device described in the utility model, have on the contact pin locating rack for avoiding
The first windowing of the protrusion element on aluminum substrate is stated, there is the second windowing corresponding with first windowing in the pulling buckle；?
When the pulling buckle moves to first position relative to the contact pin locating rack, the second windowing at least partly described contact pin of face
Hole, and when the pulling buckle moves to the second position relative to the contact pin locating rack, described second opens a window and corresponding contact pin
Hole is staggered.
In aluminum substrate contact pin fixing device described in the utility model, has between the contact pin locating rack and pulling buckle and move
Dynamic position limiting structure, the mobile position limiting structure limit the range of translation of the pulling buckle between the first position and the second position.
In aluminum substrate contact pin fixing device described in the utility model, the position limiting structure includes that at least one is installed to
The limit hoodle of the pulling buckle and at least one be located at the hoodle limiting slot on the contact pin locating rack；The hoodle limiting slot
It is made of the first circular hole and the second circular hole intersected, and moves to first position relative to the contact pin locating rack in the pulling buckle
When, the limit hoodle is caught in first circular hole, moves to the second position relative to the contact pin locating rack in the pulling buckle
When, the limit hoodle is caught in second circular hole.
In aluminum substrate contact pin fixing device described in the utility model, the limit hoodle include card-bit part, metal ball,
Elastic component and circlip have accommodating chamber on the card-bit part, and the diameter of the opening of the accommodating chamber is less than the metal ball
Diameter；The metal ball is located at the bottom of the accommodating chamber and pushes the opening of the accommodating chamber to by the elastic component；Institute
Card-bit part is stated to be fixed on by the circlip on the mounting hole of the pulling buckle.
In aluminum substrate contact pin fixing device described in the utility model, the pulling buckle includes mutually independent first pulling buckle
With the second pulling buckle, the main part of first pulling buckle and the main part of the second pulling buckle are installed to the contact pin respectively with manner
Locating rack, and when first pulling buckle is moved to right relative to the contact pin locating rack, first pulling buckle is switched to by first position
The second position；When second pulling buckle is moved to left relative to the contact pin locating rack, second pulling buckle is switched to by first position
The second position.
In aluminum substrate contact pin fixing device described in the utility model, the pulling buckle has knob position, and the knob
Position is connected to the outer ledge of the main part.
In aluminum substrate contact pin fixing device described in the utility model, the knob position is perpendicular to the main part.
The aluminum substrate contact pin fixing device of the utility model, which has the advantages that, to be positioned by pulling buckle relative to contact pin
The support and release of contact pin are realized in the translation of frame, so that the contact pin that can avoid in overturning or circular flow is fallen.Above-mentioned aluminium base
Plate contact pin fixing device cooperates artificial plug-in unit or automation equipment plug-in unit, it can be achieved that batch machining, is conducive to the automation of SMT plug-in unit
Production.
Detailed description of the invention
Fig. 1 is the schematic diagram of contact pin locating rack embodiment in the utility model aluminum substrate contact pin fixing device；
Fig. 2 is the schematic diagram of the first pulling buckle in the utility model aluminum substrate contact pin fixing device embodiment；
Fig. 3 is the side view of the first pulling buckle in the utility model aluminum substrate contact pin fixing device embodiment；
Fig. 4 is the schematic diagram of the second pulling buckle in the utility model aluminum substrate contact pin fixing device embodiment；
Fig. 5 is the side view of the second pulling buckle in the utility model aluminum substrate contact pin fixing device embodiment；
Fig. 6 is the schematic diagram that hoodle is limited in the utility model aluminum substrate contact pin fixing device embodiment；
Fig. 7 is the schematic diagram that the utility model aluminum substrate contact pin fixing device carries out pin support.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
It as shown in figs. 1-7, is the schematic diagram of the utility model aluminum substrate contact pin fixing device embodiment, the aluminum substrate contact pin
Fixed device can be used as aluminum substrate tooling, realize that the contact pin on aluminum substrate welds positioning.
Aluminum substrate contact pin fixing device in the present embodiment includes contact pin locating rack 1, the first pulling buckle 2, the second pulling buckle 3 (
One pulling buckle 2 and the second pulling buckle 3 are mutually indepedent), the whole structure in the form of sheets of above-mentioned contact pin locating rack 1, the first pulling buckle 2, the second pulling buckle 3
Be respectively installed on contact pin locating rack 1 (such as the first pulling buckle 2 is installed to left one side of something of contact pin locating rack 1, the installation of the second pulling buckle 3
To right one side of something of contact pin locating rack 1), and the main part 31 of the main part 21 of the first pulling buckle 2, the second pulling buckle 3 is respectively parallel to insert
Needle locating rack 1, and between the main part 31 and contact pin locating rack 1 of the main part 21 of above-mentioned first pulling buckle 2, the second pulling buckle 3
Length of the spacing not less than the thick portion of contact pin 4.After being installed to contact pin locating rack 1, the first pulling buckle 2, the second pulling buckle 3 respectively can phases
For contact pin locating rack 1 translate, and in translation motion the first pulling buckle 2, the second pulling buckle 3 main part always with contact pin locating rack
1 keeping parallelism.
On above-mentioned contact pin locating rack 1 have multiple pin holes 11, multiple pin holes 11 respectively with the contact pin on aluminum substrate
Pad corresponds, and the aperture of above-mentioned pin holes 11 is greater than the diameter of the thin portion of contact pin 4, less than the diameter of 4 thick portion of contact pin.?
When first pulling buckle 2 and the second pulling buckle 3 move to first position relative to contact pin locating rack 1, the pin holes 11 of contact pin locating rack 1 are revealed
The main part 31 of main part 21 and the second pulling buckle 3 for the first pulling buckle 2, consequently facilitating contact pin 4 is inserted into 11 (people of pin holes
Work is inserted into or through automation equipment insertion), or deviate from the contact pin 4 in pin holes 11 out of pin holes 11；It is drawn first
When button 2 and the second pulling buckle 3 move to the second position relative to contact pin locating rack 1, the main part 31 of the second pulling buckle 3 covers pin holes
11, so as to the contact pin 4 in aluminum substrate contact pin fixing device overturning rear support pin holes 11, as shown in fig. 7, preventing in aluminium base
Contact pin falls off when plate contact pin fixing device is mobile or overturns.
It, can be first by the first pulling buckle 2 and the second pulling buckle when stating the progress welding of contact pin 4 of aluminum substrate contact pin fixing device in use
3 move to first position, and (by manual or automaticization equipment, and at this time, the first pulling buckle 2 and the second pulling buckle 3 are located at contact pin locating rack
1 top), so that the pin holes 11 on contact pin locating rack 1 is exposed to the main part 21 of the first pulling buckle 2 and the main body of the second pulling buckle 3
Portion 31, and manually or automation equipment automated manner is inserted into pin holes 11 by contact pin 4；It is to be inserted install it is complete, by
One pulling buckle 2 and the second pulling buckle 3 move to the second position (by manual or automaticization equipment), so that the first pulling buckle 2 and second is drawn
Button 3 covers the contact pin 4 in pin holes 11, and the contact pin 4 in aluminum substrate contact pin fixing device overturning rear support pin holes 11, can
Contact pin 4 in the overturning of aluminum substrate contact pin fixing device or circular flow is avoided to fall off；SMT is transported to aluminum substrate contact pin fixing device
(aluminum substrate contact pin fixing device has been overturn at this time, i.e. the first pulling buckle 2 and the second pulling buckle 3 are located under contact pin locating rack 1 for stokehold
Side), the first pulling buckle 2 and the second pulling buckle 3 are moved into the second position, correspondence contact pin pad of 4 freely falling body of contact pin in aluminum substrate
Upper (contact pin 4 can completely disengage or not completely disengage aluminum substrate contact pin fixing device at this time), and available hand or the pressing of specific tooling,
It realizes the fixation of contact pin 4, is welded so as to carry out the furnace that enters of next step.
Particularly, when above-mentioned first pulling buckle 2 is moved to right relative to contact pin locating rack 1, the first pulling buckle 2 is switched to by first position
The second position is switched to the state of clamping fixed contact pin 4；When second pulling buckle 3 is moved to left relative to contact pin locating rack 1, second is drawn
Button 3 is switched to the second position by first position, that is, is switched to the state of clamping fixed contact pin 4.Certainly, in practical applications,
The first position and the second position of one pulling buckle 2 and the second pulling buckle 3 can also adjust according to actual needs.
It, can also be according to aluminium other than the first pulling buckle 2 and second pulling buckle 3 the two pulling buckles are set in addition, in practical applications
The size of substrate adjusts the quantity of pulling buckle, such as can only be arranged a pulling buckle or more than two pulling buckles, as long as making pulling buckle
Main part is parallel to contact pin locating rack 1, and is installed to contact pin locating rack 1 with manner.
Above-mentioned aluminum substrate contact pin fixing device supports pin holes 11 by pulling buckle (such as the first pulling buckle 2 and second pulling buckle 3)
Interior contact pin 4, and non-friction clamps, and can avoid contact pin in whole device overturning or circular flow and falls.And in contact pin 4
In fixation procedure, it is not required to SMT assembly plant and uses extra consumptive material (such as cystosepiment).
Have on the main part 21 of above-mentioned first pulling buckle 2 and the main part 31 of the second pulling buckle 3 it is multiple respectively and at least partly
The corresponding access hole 211,311 of pin holes 11, and the aperture of access hole 211,311 is greater than the diameter of the thick portion of contact pin 4.In this way,
When the first pulling buckle 2 and the second pulling buckle 3 move to first position relative to contact pin locating rack 1, access hole 211,311 face contact pins
The correspondence pin holes 11 of locating rack 1 are inserted into pin holes 11 convenient for contact pin 4, while the contact pin being also convenient in release pin holes 11；
When the first pulling buckle 2 and the second pulling buckle 3 move to the second position relative to contact pin locating rack 1, access hole 211,311 and contact pin are fixed
The correspondence pin holes 11 of position frame 1 are staggered, thus after the overturning of aluminum substrate contact pin fixing device, the main part 21 of the first pulling buckle 2
It can support the contact pin 4 in pin holes 11 with the main part 31 of the second pulling buckle 3, as shown in Figure 7.
There is the one or more first for avoiding the protrusion element on aluminum substrate to open a window on above-mentioned contact pin locating rack 1
13, correspondingly, it is respectively provided on the main part 31 of the main part 21 of the first pulling buckle 2 and the second pulling buckle 3 corresponding with the first windowing 13
Second windowing 213,313.When the first pulling buckle 2 and the second pulling buckle 3 move to first position relative to contact pin locating rack 1, the
Two 213,313 faces of windowing at least partly pin holes 11, and it is flat relative to contact pin locating rack 1 in the first pulling buckle 2 and the second pulling buckle 3
When moving on to the second position, above-mentioned second windowing 213,313 is staggered with corresponding pin holes 11, thus the fixed dress of aluminum substrate contact pin
After setting overturning, the main part 31 of the main part 21 of the first pulling buckle 2 and the second pulling buckle 3 can support the contact pin in corresponding pin holes 11
4 access holes.
There is mounting hole 14 on above-mentioned contact pin locating rack 1, there is strip-shaped hole 214 in the first pulling buckle 2, have in the second pulling buckle 3
There is strip-shaped hole 314, and the first pulling buckle 2 can be installed to contact pin locating rack 1 by passing through the screw of strip-shaped hole 214 and mounting hole 14,
Second pulling buckle 3 can be installed to contact pin locating rack 1 by passing through the screw of strip-shaped hole 314 and mounting hole 14.Above-mentioned contact pin locating rack 1
And first can be respectively provided with mobile position limiting structure, above-mentioned movement between pulling buckle 2 and between contact pin locating rack 1 and the second pulling buckle 3
Position limiting structure limits the range of translation of the first pulling buckle 2 and the second pulling buckle 3 between the first position and the second position.
Specifically, above-mentioned position limiting structure include at least one be installed to the first pulling buckle 2 main part 21 limit hoodle 215,
At least one main part 31 for being installed to the second pulling buckle 3 limits hoodle 315 and at least two points on contact pin locating rack 1
Not with limit hoodle 215,315 corresponding hoodle limiting slots 15.Above-mentioned hoodle limiting slot 15 is by the first circular hole intersected and second
Circular hole is constituted, and when the first pulling buckle 2 and the second pulling buckle 3 move to first position relative to contact pin locating rack 1, limits hoodle
215,315 the first circular hole for being caught in hoodle limiting slot 15, flat relative to contact pin locating rack 1 in the first pulling buckle 2 and the second pulling buckle 3
When moving on to the second position, limit hoodle 215,315 is caught in the second circular hole of hoodle limiting slot 15.
Above-mentioned position limiting structure can not only limit the range of translation of the first pulling buckle 2 and the second pulling buckle 3, but also can make the first pulling buckle
2 main part 21 and the main part 3 of the second pulling buckle 3 are kept fixed gap with contact pin locating rack 1 respectively, in order to contact pin 3
Support is fixed.
Below for limiting hoodle 215, illustrate the specific structure of above-mentioned limit hoodle 215,315.Hoodle 215 is limited to wrap
Card-bit part 2151, metal ball 2152, elastic component 2153 and circlip 2154 are included, there is accommodating chamber, and accommodate on card-bit part 2151
The diameter of the opening of chamber is less than the diameter of metal ball 2152；Metal ball 2152 is located in accommodating chamber and is pushed to by elastic component 2153
The opening of accommodating chamber；Card-bit part 2151 is fixed on the mounting hole of the first pulling buckle 2 by circlip 5154.By the above-mentioned means, can
So that keeping pressure between the main part 21 and contact pin locating rack 1 of the first pulling buckle 2, guarantee the first pulling buckle 2 when not by external force not
It can be translated relative to contact pin locating rack 1.
In addition, being equipped with a knob position 22, the knob position in above-mentioned first pulling buckle 2 for convenience of the translation of the first pulling buckle 2 is pushed
22 are connected to the outer ledge of the main part 21 of the first pulling buckle 2；And the position 22 that can make to shake hands is perpendicular to main part 21.Similarly,
For convenience of the translation of the second pulling buckle 3 is pushed, knob position 32 is equipped in above-mentioned second pulling buckle 3, which is connected to the second drawing
The outer ledge of the main part 31 of button 3, and the position 32 that can make to shake hands is perpendicular to main part 31.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
It is subject to the protection scope in claims.
Claims (9)
1. a kind of aluminum substrate contact pin fixing device, which is characterized in that including contact pin locating rack, at least one pulling buckle, in which: described
Have on contact pin locating rack it is multiple respectively with the one-to-one pin holes of contact pin pad on aluminum substrate, and the hole of the pin holes
Diameter is greater than the diameter of the thin portion of contact pin, less than the diameter of the contact pin thick portion；The main part of the pulling buckle is parallel to the contact pin
Locating rack, and the contact pin locating rack is installed to manner；It is moved in the pulling buckle relative to the contact pin locating rack
When first position, the pin holes of the contact pin locating rack are exposed to the main part of the pulling buckle, and in the pulling buckle relative to institute
When stating contact pin locating rack and moving to the second position, the main part of the pulling buckle covers the pin holes.
2. aluminum substrate contact pin fixing device according to claim 1, which is characterized in that have multiple difference in the pulling buckle
Access hole corresponding at least partly described pin holes, and the aperture of the access hole is greater than the diameter of the thick portion of the contact pin；
When the pulling buckle moves to first position relative to the contact pin locating rack, contact pin locating rack described in the access hole face
Corresponding pin holes, and when the pulling buckle moves to the second position relative to the contact pin locating rack, the access hole with it is described
The correspondence pin holes of contact pin locating rack interlace out.
3. aluminum substrate contact pin fixing device according to claim 1 or 2, which is characterized in that have on the contact pin locating rack
There is the first windowing for avoiding the protrusion element on the aluminum substrate, has in the pulling buckle corresponding with first windowing
Second windowing；When the pulling buckle moves to first position relative to the contact pin locating rack, the second windowing face is at least
The part pin holes, and when the pulling buckle moves to the second position relative to the contact pin locating rack, second windowing
It is staggered with corresponding pin holes.
4. aluminum substrate contact pin fixing device according to claim 1, which is characterized in that the contact pin locating rack and pulling buckle it
Between there is mobile position limiting structure, the range of translation of the pulling buckle is limited in first position and second by the mobile position limiting structure
Between setting.
5. aluminum substrate contact pin fixing device according to claim 4, which is characterized in that the position limiting structure includes at least one
A limit hoodle and at least one hoodle limiting slot being located on the contact pin locating rack for being installed to the pulling buckle；The bullet
Pearl limiting slot is made of the first circular hole intersected and the second circular hole, and is moved in the pulling buckle relative to the contact pin locating rack
When first position, the limit hoodle is caught in first circular hole, moves in the pulling buckle relative to the contact pin locating rack
When the second position, the limit hoodle is caught in second circular hole.
6. aluminum substrate contact pin fixing device according to claim 5, which is characterized in that the limit hoodle includes detent
Part, metal ball, elastic component and circlip have accommodating chamber on the card-bit part, and the diameter of the opening of the accommodating chamber is less than
The diameter of the metal ball；The metal ball is located at the bottom of the accommodating chamber and pushes the accommodating chamber to by the elastic component
Opening；The card-bit part is fixed on the mounting hole of the pulling buckle by the circlip.
7. aluminum substrate contact pin fixing device according to claim 1, which is characterized in that the pulling buckle includes mutually independent
First pulling buckle and the second pulling buckle, the main part of first pulling buckle and the main part of the second pulling buckle are installed to respectively with manner
The contact pin locating rack, and when first pulling buckle is moved to right relative to the contact pin locating rack, first pulling buckle is by first
It sets and is switched to the second position；When second pulling buckle is moved to left relative to the contact pin locating rack, second pulling buckle is by first
It sets and is switched to the second position.
8. aluminum substrate contact pin fixing device according to claim 1, which is characterized in that the pulling buckle has knob position, and
The knob position is connected to the outer ledge of the main part.
9. aluminum substrate contact pin fixing device according to claim 8, which is characterized in that the knob position is perpendicular to the master
Body portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820874411.7U CN208258309U (en) | 2018-05-30 | 2018-05-30 | Aluminum substrate contact pin fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820874411.7U CN208258309U (en) | 2018-05-30 | 2018-05-30 | Aluminum substrate contact pin fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208258309U true CN208258309U (en) | 2018-12-18 |
Family
ID=64653689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820874411.7U Active CN208258309U (en) | 2018-05-30 | 2018-05-30 | Aluminum substrate contact pin fixing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN208258309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732173A (en) * | 2019-03-12 | 2019-05-10 | 烟台台芯电子科技有限公司 | A kind of contact pin welding tooling and contact pin fixing means |
| CN115383372A (en) * | 2022-10-31 | 2022-11-25 | 烟台台芯电子科技有限公司 | Flip-chip formula IGBT module welding frock |
-
2018
- 2018-05-30 CN CN201820874411.7U patent/CN208258309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732173A (en) * | 2019-03-12 | 2019-05-10 | 烟台台芯电子科技有限公司 | A kind of contact pin welding tooling and contact pin fixing means |
| CN115383372A (en) * | 2022-10-31 | 2022-11-25 | 烟台台芯电子科技有限公司 | Flip-chip formula IGBT module welding frock |
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Address after: 215000 52 tianedang Road, Yuexi, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Huichuan United Power System Co.,Ltd. Address before: 215000 52 tianedang Road, Yuexi Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: SUZHOU HUICHUAN UNITED POWER SYSTEM Co.,Ltd. |