CN208495641U - A kind of QFP device pin forming frock - Google Patents
A kind of QFP device pin forming frock Download PDFInfo
- Publication number
- CN208495641U CN208495641U CN201820958195.4U CN201820958195U CN208495641U CN 208495641 U CN208495641 U CN 208495641U CN 201820958195 U CN201820958195 U CN 201820958195U CN 208495641 U CN208495641 U CN 208495641U
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- China
- Prior art keywords
- clamping opening
- qfp device
- top cover
- pin forming
- qfp
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- 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.)
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Abstract
The utility model discloses a kind of QFP device pin forming frocks, which includes: top cover；Pedestal is provided with several fixed columns on the pedestal, by fixed column by the top cover side of being mounted on the base, can move up and down along fixed column；First clamping opening of cap base is set, which is made of the two boards shape object being oppositely arranged perpendicular to top cover bottom surface；Second clamping opening of base top is set, which is made of the two boards shape object being oppositely arranged perpendicular to base top surface；Wherein, the first clamping opening and the second clamping opening alignment relative are arranged, and the clamping part of QFP device are constituted, so that QFP device, between the first clamping opening and the second clamping opening, the molding pin to be processed of QFP device is exposed to outside clamping part.Tool structure provided by the utility model is simple, easy to operate, can clamp chip, prevents chip movement in chip forming process, carries out scraping molding then along forming surface, and the shape of one-time-reach-place, pin is consistent, and accuracy is high.
Description
Technical field
The utility model belongs to circuit assembly technical field, is related to a kind of pin forming tooling, and in particular to a kind of QFP device
Part pin forming tooling.
Background technique
Quad Flat formula encapsulation technology (Plastic Quad Flat Package, abbreviation QFP), the CPU which realizes
Apart from very little between four side pin of chip, pin is very thin.
The existing main molding mode of chip forming frock is that chip is placed on template using upper and lower two matched templates
In, another template then, which is squeezed, by fixing a template is formed.This molding mode clamps and molding is complete together
At, that is, chip pin is formed while clamping the process of chip, this is also the shortcomings that this kind of tooling forms.Chip is not complete
Formed chip pin is easy to produce the risk that chip in forming process slides in the case where full clamping, and chip is caused to form two
Edge lengths are inconsistent.
Utility model content
The purpose of this utility model is to solve the problems, such as that the pin of the quick pin forming of QFP device is inconsistent, provides one kind
The tooling of pin precise forming.
In order to achieve the above object, the utility model provides a kind of QFP device pin forming frock, which includes:
Top cover,
Pedestal is provided with several fixed columns on the pedestal, can be along solid by fixed column by the top cover side of being mounted on the base
Fixed column moves up and down；
First clamping opening of cap base is set, and first clamping opening is by the two boards shape that is oppositely arranged perpendicular to top cover bottom surface
Object is constituted；
Second clamping opening of base top is set, and second clamping opening is by the two boards shape that is oppositely arranged perpendicular to base top surface
Object is constituted；
Wherein, the first clamping opening and the second clamping opening alignment relative are arranged, and the clamping part of QFP device are constituted, so that QFP device position
Between the first clamping opening and the second clamping opening, the molding pin to be processed of QFP device is exposed to outside clamping part.
Preferably, being additionally provided with pin forming machined surface at the top of the pedestal.
Preferably, the tooling also includes to press molding scraper plate for pin.
Preferably, the fixed column is symmetrical arranged, so that top cover is parallel with pedestal.
Preferably, the tooling includes 4 fixed columns, it is separately positioned on the quadrangle of pedestal.
Preferably, the fixed column is spinner handle.
Preferably, being additionally provided with knob lid for fixing on the spinner handle.
Preferably, the top cover is in I-shaped.
The utility model additionally provides a kind of application method according to above-mentioned QFP device pin forming frock, this method
It comprises the steps of:
Step 1, top cover is released from fixed column；
Step 2, QFP device is placed on base center, be placed in the second clamping opening；
Step 3, drawing for QFP device is clamped so that the first clamping opening is aligned with the second clamping opening plus top cover by fixed column
Foot is exposed to molding pin to be processed outside clamping part；
Step 4, stationary gripping part, molded lead obtain the QFP device of two sides pin forming；
Step 5, top cover is opened, the QFP device of two sides pin forming is rotated horizontally into 90 ° of placements；
Step 6, step 3-4 is repeated, the QFP device of four side pin formings is obtained.
Preferably, the technique of step 4 molded lead includes: using scraper plate since pin clamped spot, along
The plate object of two clamping opening presses down on, and presses further along pin forming machined surface, pin is made to against the brake forming of forming face.
The tooling of the utility model is to clamp chip (QFP device) first with upper and lower two clamping opening, then utilizes scraper plate
It carries out scraping molding along the pin forming machined surface of pedestal, meets installation requirement after chip molding.
The utility model compared with prior art the advantages of:
1) structure is simple, easy to process and use.
2) easy to operate, chip can be clamped, prevent chip in chip forming process mobile.
3) chip is clamped by two clamping opening, then carries out scraping molding along forming surface using scraper.It is easy to use
Fast, the shape of one-time-reach-place, pin is consistent, and accuracy is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of QFP device pin forming frock of the utility model.
Fig. 2 is that the step 1 of the utility model opens the tooling schematic diagram after top cover.
Fig. 3 is that the step 2 of the utility model places the tooling schematic diagram of QFP device.
Fig. 4 is the tooling schematic diagram of the pin for clamping QFP device of the step 3 of the utility model.
Fig. 5 a, 5b are the tooling schematic diagram of step 4 molded lead of the utility model.
Specific embodiment
The technical solution of the utility model is described further below in conjunction with drawings and examples.
As shown in Figure 1, providing a kind of QFP device pin forming frock for the utility model, which includes:
Top cover 10,
Pedestal 20 is provided with several fixed columns 21 on the pedestal 20, top cover 10 is mounted on the pedestal by fixed column 21
20 top, top cover 10 can be moved up and down along fixed column 21 (perpendicular to the longitudinal movement of pedestal)；
First clamping opening 11 of 10 bottom of top cover is set, and first clamping opening is by be oppositely arranged perpendicular to top cover bottom surface two pieces
Plate object is constituted；
Second clamping opening 22 of base top is set, and second clamping opening is by the two boards that are oppositely arranged perpendicular to base top surface
Shape object is constituted；
Wherein, the first clamping opening and 11 second clamping opening, 22 alignment relative are arranged, and the clamping part of QFP device are constituted, so that QFP device
Between the first clamping opening and the second clamping opening, the molding pin 101 to be processed of QFP device is exposed to outside clamping part part 100.
Pin forming machined surface 23 is additionally provided at the top of the pedestal.
The tooling also includes to press molding scraper plate 30 for pin, sees Fig. 5 b.
The fixed column is symmetrical arranged, so that top cover 10 is parallel with pedestal 20.
In preferred embodiment, the tooling includes 4 fixed columns, is separately positioned on the quadrangle of pedestal.
In some embodiments, the fixed column is spinner handle.
In some embodiments, knob lid for fixing is additionally provided on the spinner handle.
In preferred embodiment, for the top cover in I-shaped, fixed column is corresponding with the I-shaped mounting hole 12 of four wings,
See Fig. 4.
The application method of the QFP device pin forming frock of the utility model comprises the steps of:
Step 1, top cover is released from fixed column, as shown in Figure 2；
Step 2, QFP device is placed on base center, be placed in the second clamping opening, as shown in Figure 3；
Step 3, the pin of QFP device is clamped so that the first clamping opening is aligned with the second clamping opening plus top cover by fixed column
(close to the pin of chip), is exposed to molding pin to be processed outside clamping part, as shown in Figure 4；It fixes to clamp (using artificial
Compress or fixed by knob lid) it will not be moved by shaping device pin so that the pin of device is steady by folder；Eye when pressure
Eyeball watches device pin attentively, guarantee press during device there is no significantly moving；
Step 4, stationary gripping part, molded lead, as shown in Fig. 5 a, 5b: using scraper plate 30 since pin clamped spot, edge
The second clamping opening plate object press down on, further along pin forming machined surface press, make pin against forming face bending
Molding obtains the QFP device of two sides pin forming.
Step 5, top cover is opened, the QFP device of two sides pin forming is rotated horizontally into 90 ° of placements, so that unformed two
Side pin is exposed to outside clamping part；
Step 6, step 3-4 is repeated, the QFP device of four side pin formings is obtained.
It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended
Claim limit.
Claims (8)
1. a kind of QFP device pin forming frock, which is characterized in that the tooling includes:
Top cover,
Pedestal is provided with several fixed columns on the pedestal, can be along fixed column by fixed column by the top cover side of being mounted on the base
It moves up and down；
First clamping opening of cap base is set, and first clamping opening is by the two boards shape object structure that is oppositely arranged perpendicular to top cover bottom surface
At；
Second clamping opening of base top is set, and second clamping opening is by the two boards shape object structure that is oppositely arranged perpendicular to base top surface
At；
Wherein, the first clamping opening and the second clamping opening alignment relative are arranged, and constitute the clamping part of QFP device, so that QFP device is located at the
Between one clamping opening and the second clamping opening, the molding pin to be processed of QFP device is exposed to outside clamping part.
2. QFP device pin forming frock as described in claim 1, which is characterized in that also set up at the top of the pedestal
There is pin forming machined surface.
3. QFP device pin forming frock as described in claim 1, which is characterized in that the tooling also includes for drawing
Foot presses molding scraper plate.
4. QFP device pin forming frock as described in claim 1, which is characterized in that the fixed column is symmetrical arranged, and is made
It is parallel with pedestal to obtain top cover.
5. QFP device pin forming frock as claimed in claim 4, which is characterized in that the tooling includes 4 fixations
Column is separately positioned on the quadrangle of pedestal.
6. QFP device pin forming frock as described in claim 1, which is characterized in that the fixed column is spinner handle.
7. QFP device pin forming frock as claimed in claim 6, which is characterized in that be additionally provided with use on the spinner handle
In fixed knob lid.
8. QFP device pin forming frock as described in claim 1, which is characterized in that the top cover is in I-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820958195.4U CN208495641U (en) | 2018-06-21 | 2018-06-21 | A kind of QFP device pin forming frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820958195.4U CN208495641U (en) | 2018-06-21 | 2018-06-21 | A kind of QFP device pin forming frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208495641U true CN208495641U (en) | 2019-02-15 |
Family
ID=65285912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820958195.4U Active CN208495641U (en) | 2018-06-21 | 2018-06-21 | A kind of QFP device pin forming frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208495641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580744A (en) * | 2018-06-21 | 2018-09-28 | 上海空间电源研究所 | A kind of QFP device pins forming frock and its application method |
-
2018
- 2018-06-21 CN CN201820958195.4U patent/CN208495641U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108580744A (en) * | 2018-06-21 | 2018-09-28 | 上海空间电源研究所 | A kind of QFP device pins forming frock and its application method |
| CN108580744B (en) * | 2018-06-21 | 2024-01-02 | 上海空间电源研究所 | QFP device pin forming tool and application method thereof |
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