CN107855418A - The modification method of floating pin positioning structure - Google Patents
The modification method of floating pin positioning structure Download PDFInfo
- Publication number
- CN107855418A CN107855418A CN201711193048.9A CN201711193048A CN107855418A CN 107855418 A CN107855418 A CN 107855418A CN 201711193048 A CN201711193048 A CN 201711193048A CN 107855418 A CN107855418 A CN 107855418A
- Authority
- CN
- China
- Prior art keywords
- hole
- floating pin
- die shoe
- long shape
- positioning structure
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
This application discloses the modification method of floating pin positioning structure, including step 1, the die shoe through hole for processing on die shoe up/down perforation；Step 2, processing up/down perforation and aperture size are less than the lower mould backboard through hole of die shoe through hole aperture size on lower mould backboard；Step 3, in lower template process up/down perforation lower template through hole；Step 4, process long shape and float and sell, the stop part that can be adapted with die shoe through hole is processed in long shape floating pin lower end therewith, then the square floating of long shape is sold into upper end upward and sequentially passes through die shoe through hole from the bottom up, lower mould backboard through hole and lower template through hole, so as to which long shape floating pin is limited in lower template through hole by stop part, reach the purpose for stopping that the pin that floats jumps out lower template through hole, and it can avoid existing combined type buoyancy pin positioning structure that the phenomenon that connection separates easily occurs, and then it can avoid breaking workpiece and mold damage, also production efficiency can be improved to reduce enterprise's production cost.
Description
【Technical field】
The application is related to the technical field of diel, in particular to a kind of improvement side of floating pin positioning structure
Method.
【Background technology】
With the development of information technology, the metal lead wire frame demand in integrated circuit (IC) chip is more and more, shape
Also more granular and high precision int.The mode of production of IC chip lead frame has 2 kinds：Corrosion processing and punch process.Corrosion
Although processing can reach very fine precision, higher production efficiency and relatively low production cost are unable to reach, with IC cores
The rapid downward of piece price, it is to reduce IC chip price, raising production efficiency using stamping IC chip metal lead wire frame
Important channel.
In mould applied to punching production IC chip metal lead wire frame, floating pin positioning structure plays irreplaceable
Effect, but existing floating pin positioning structure is fabricated structure, such as shown in Fig. 1, the pin that floats is connected using connecting screw, after
And in actual punching production metal lead wire frame, floating pin often fails to be connected screw rod locking, so as to easily jump out under
On template upper surface, and then not only easily cause a large amount of workpiece and broken, influence production efficiency and be also easy to mold damage, cause
The production cost of manufacturing enterprise is increased substantially, huge loss is brought to manufacturing enterprise.
【The content of the invention】
The application to be solved to be the above-mentioned technical problem being directed to, there is provided a kind of modification method of floating pin positioning structure.
In order to solve the above technical problems, the application is to be achieved through the following technical solutions：
The modification method of floating pin positioning structure, comprises the following steps：
Step 1, the die shoe through hole for going out on die shoe up/down perforation along its vertical direction machine-shaping；
Step 2, on lower mould backboard along its vertical direction machine-shaping go out up/down perforation and aperture size be less than it is described under
The lower mould backboard through hole of die holder through hole aperture size；
Step 3, the lower template through hole for going out in lower template up/down perforation along its vertical direction machine-shaping；
Step 4, machine-shaping go out long shape and floated pin, therewith the long shape float pin lower end machine-shaping go out can with it is described
The stop part that die shoe through hole is adapted, the long square floating of shape is then sold into upper end upward and sequentially passed through from the bottom up
The die shoe through hole, the lower mould backboard through hole and the lower template through hole, so as to be moved to when the stop part
When being stopped by the lower mould backboard through hole, the stop part stops that the long shape floating pin passes through from the lower template to spacing
Through hole is jumped out.
The modification method of floating pin positioning structure as described above, the modification method of floating pin positioning structure also include：
Step 5, it will be sheathed on the die shoe to float pin elastic reseting part of long shape described in elastic reset and penetrate
Inside hole, and floated positioned at the long shape and sell downside；
Step 6, the limiting component to the spacing elastic reseting part is connected to the die shoe inside through holes,
And on the downside of the elastic reseting part.
The modification method of floating pin positioning structure as described above, the aperture size of the lower template through hole with it is described under
The aperture size of mould backboard through hole is equal.
The modification method of floating pin positioning structure as described above, the lower mould backboard through hole and lower template insertion
The shape of cross section in hole is square, and the long shape floating pin is square column.
The modification method of floating pin positioning structure as described above, the shape of cross section of the die shoe through hole is circle
Shape, the limiting component are plug screw, and with being threadedly coupled on the downside of the lower template inside through holes.
The modification method of floating pin positioning structure as described above, the elastic reseting part is compression spring.
The modification method of floating pin positioning structure as described above, the making material of the long shape floating pin is SLD steel.
Compared with prior art, above-mentioned application has the following advantages：
The modification method of the application floating pin positioning structure is by the pin that floats located at the die shoe through hole 1, described
The inside of lower mould backboard through hole and the lower template through hole, then again by selling the stop of lower end located at described float
Portion come it is spacing stop that the floating pin continues upward movement, so as to not only can reach stop the spacing floating pin jump out it is described under
Template through hole, and can also avoid existing combined type buoyancy pin positioning structure that the phenomenon that connection separates easily occurs, and then not only
It can to greatest extent avoid largely breaking workpiece and avoid mold damage, and production efficiency can also be significantly increased with greatly
Reduce the production cost of manufacturing enterprise.
【Brief description of the drawings】
Fig. 1 is the schematic diagram of floating location structure on existing metal lead wire frame mould, wherein 4 ' be existing floating
Pin, 5 ' be connecting screw, 6 ' be guide pin bushing, 7 ' be compression spring, 8 ' be plug screw.
Fig. 2 is the schematic diagram of the modification method of the application floating pin positioning structure.
Fig. 3 is that pin, the elastic reseting part of floating is hidden in the modification method of the application floating pin positioning structure
And the schematic diagram after the limiting component
Fig. 4 is the front view of pin of being floated described in the modification method of the application floating pin positioning structure.
Fig. 5 is the right view of pin of being floated described in the modification method of the application floating pin positioning structure.
【Embodiment】
The application is described in further detail below by embodiment combination accompanying drawing.
As shown in Figure 2-5, the modification method of floating pin positioning structure, comprises the following steps：
Step 1, the die shoe through hole 1 for going out on die shoe up/down perforation along its vertical direction machine-shaping；
Step 2, on lower mould backboard along its vertical direction machine-shaping go out up/down perforation and aperture size be less than it is described under
The lower mould backboard through hole 2 of the aperture size of die holder through hole 1；
Step 3, the lower template through hole 3 for going out in lower template up/down perforation along its vertical direction machine-shaping；
Step 4, machine-shaping go out long shape floating pin 4, and going out therewith in the long lower end machine-shaping of shape floating pin 4 can be with institute
State the stop part 41 that die shoe through hole 1 is adapted, then by the long square upper end of floating pin 4 of shape upward and from the bottom up according to
It is secondary to pass through the die shoe through hole 1, the lower mould backboard through hole 2 and the lower template through hole 3, so as to work as the stop
Portion 41 is moved to when being stopped by the lower mould backboard through hole 2, and the stop part 41 stops the long shape floating pin 4 to spacing
Jumped out from the lower template through hole 3；
Step 5, the elastic reseting part 5 to long shape floating pin 4 described in elastic reset is sheathed on the die shoe passed through
Inside through hole 1, and positioned at the long downside of shape floating pin 4；
Step 6, the limiting component 6 to the spacing elastic reseting part 5 is connected in the die shoe through hole 1
Portion, and positioned at the downside of elastic reseting part 5.
The modification method of the application floating pin positioning structure is by the way that the long shape floating pin 4 is penetrated located at the die shoe
The inside in hole 1, the lower mould backboard through hole 2 and the lower template through hole 3, then sold again by being floated located at the long shape
The stop part 41 of 4 lower ends is spacing to stop that the long shape floating pin 4 continues upward movement, so as to can not only stop spacing institute
State long shape floating pin 4 and jump out the lower template through hole 3, and can also avoid existing combined type buoyancy pin positioning structure from easily occurring
The phenomenon of separation is connected, and then not only can to greatest extent avoid largely breaking workpiece and avoid mold damage, and can also be significantly
Production efficiency is improved to greatly reduce the production cost of manufacturing enterprise in degree ground.
The aperture size of the lower template through hole 3 is equal with the aperture size of the lower mould backboard through hole 2.Its purpose
It is to facilitate the long shape floating pin 4 to stretch out the lower template through hole 3.
The shape of cross section of the lower mould backboard through hole 2 and the lower template through hole 3 is square, and the long shape
Floating pin 4 is square column.Its object is to designed according to actual production product demand.
The shape of cross section of the die shoe through hole 1 for circle, the limiting component 6 is plug screw, and with the lower mould
The inner lower of plate through hole 3 is threadedly coupled.The purpose for being connected through a screw thread and can reach and being detachably connected is the advantage is that, so as to side
It is easy to assemble.
The elastic reseting part 5 is compression spring.The advantage is that can hide sufficient elastic reset demand from.
The making material of the long shape floating pin 4 is SLD steel.It the advantage is that SLD steel have high-wearing feature, height resists
The outstanding features such as Compressive Strength.
Presently filed embodiment is explained in detail in summary, but the application is not limited to above-mentioned embodiment.
Even if it is to the application, various changes can be made, then still falls within the protection domain in the application.
Claims (7)
1. the modification method of floating pin positioning structure, it is characterised in that comprise the following steps：
Step 1, the die shoe through hole (1) for going out on die shoe up/down perforation along its vertical direction machine-shaping；
Step 2, go out up/down perforation along its vertical direction machine-shaping on lower mould backboard and aperture size is less than the die shoe
The lower mould backboard through hole (2) of through hole (1) aperture size；
Step 3, the lower template through hole (3) for going out in lower template up/down perforation along its vertical direction machine-shaping；
Step 4, machine-shaping go out long shape floating pin (4), and going out therewith in described long shape floating pin (4) lower end machine-shaping can be with institute
The stop part (41) that die shoe through hole (1) is adapted is stated, then by square pin (4) upper end of floating of the long shape upward and under
The die shoe through hole (1), the lower mould backboard through hole (2) and the lower template through hole (3) are up sequentially passed through, from
And when the stop part (41) is moved to and stopped by the lower mould backboard through hole (2), the stop part (41) is to spacing
Stop that the long shape floating pin (4) is jumped out from the lower template through hole (3).
2. the modification method of floating pin positioning structure according to claim 1, it is characterised in that：The floating finger setting knot
The modification method of structure also includes：
Step 5, it will be sheathed on the die shoe to float pin (4) elastic reseting part (5) of long shape described in elastic reset and pass through
Through hole (1) is internal, and floats and sold on the downside of (4) positioned at the long shape；
Step 6, the limiting component (6) to the spacing elastic reseting part (5) is connected to the die shoe through hole (1)
Inside, and on the downside of the elastic reseting part (5).
3. the modification method of floating pin positioning structure according to claim 2, it is characterised in that：The lower template through hole
(3) aperture size is equal with the aperture size of the lower mould backboard through hole (2).
4. the modification method of floating pin positioning structure according to claim 3, it is characterised in that：The lower mould backboard insertion
The shape of cross section of hole (2) and the lower template through hole (3) is square, and the long shape floating pin (4) is square column.
5. the modification method of floating pin positioning structure according to claim 3, it is characterised in that：The die shoe through hole
(1) shape of cross section for circle, the limiting component (6) is plug screw, and with lower template through hole (3) the inner lower spiral shell
Line connects.
6. the modification method of floating pin positioning structure according to claim 5, it is characterised in that：The elastic reseting part
(5) it is compression spring.
7. the modification method of floating pin positioning structure according to claim 6, it is characterised in that：The long shape, which floats, to be sold
(4) making material is SLD steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193048.9A CN107855418A (en) | 2017-11-24 | 2017-11-24 | The modification method of floating pin positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193048.9A CN107855418A (en) | 2017-11-24 | 2017-11-24 | The modification method of floating pin positioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107855418A true CN107855418A (en) | 2018-03-30 |
Family
ID=61703401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711193048.9A Pending CN107855418A (en) | 2017-11-24 | 2017-11-24 | The modification method of floating pin positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107855418A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62161434A (en) * | 1986-01-10 | 1987-07-17 | Yamatake Honeywell Co Ltd | Adjusting method for guide lifter of press |
| CN201603814U (en) * | 2010-02-04 | 2010-10-13 | 苏州和林精密科技有限公司 | Position guide device |
| CN205414112U (en) * | 2016-03-17 | 2016-08-03 | 四川瑞宝电子股份有限公司 | Continuous stamping die of production shell fragment terminal |
| CN205798210U (en) * | 2016-07-01 | 2016-12-14 | 常州机电职业技术学院 | The material guide structure being applied on multi-station progressive die |
-
2017
- 2017-11-24 CN CN201711193048.9A patent/CN107855418A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62161434A (en) * | 1986-01-10 | 1987-07-17 | Yamatake Honeywell Co Ltd | Adjusting method for guide lifter of press |
| CN201603814U (en) * | 2010-02-04 | 2010-10-13 | 苏州和林精密科技有限公司 | Position guide device |
| CN205414112U (en) * | 2016-03-17 | 2016-08-03 | 四川瑞宝电子股份有限公司 | Continuous stamping die of production shell fragment terminal |
| CN205798210U (en) * | 2016-07-01 | 2016-12-14 | 常州机电职业技术学院 | The material guide structure being applied on multi-station progressive die |
Non-Patent Citations (1)
| Title |
|---|
| 金龙建: "《多工位级进模设计实用手册》", 30 June 2015, 机械工业出版社 * |
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Application publication date: 20180330 |