CN107866483A - The location structure and punch-forming mold of improvement floating pin - Google Patents
The location structure and punch-forming mold of improvement floating pin Download PDFInfo
- Publication number
- CN107866483A CN107866483A CN201711191956.4A CN201711191956A CN107866483A CN 107866483 A CN107866483 A CN 107866483A CN 201711191956 A CN201711191956 A CN 201711191956A CN 107866483 A CN107866483 A CN 107866483A
- Authority
- CN
- China
- Prior art keywords
- hole
- pin
- die shoe
- lower template
- location 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
Links
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
-
- 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
Abstract
Float the location structure and punch-forming mold sold this application discloses improvement.The float location structure of pin of improvement includes the die shoe through hole on the die shoe, lower mould backboard through hole, the lower template through hole in lower template on lower mould backboard, and sequentially passes through die shoe through hole, lower mould backboard through hole and lower template through hole from the bottom up and can be along the floating pin of telescopic moving above and below die shoe through hole vertical direction；When floating pin upper end is stretched out lower template through hole and is located on the upside of lower template upper surface, to contact positioning product material strip；Floating pin lower end is located in die shoe through hole, and it which is provided with to stop the stop part that the pin that floats is jumped out from lower template through hole, so as to not only stop that floating pin jumps out lower template through hole, and it can also avoid existing combined type buoyancy pin positioning structure that the phenomenon that connection separates easily occurs, and then can not only avoid largely breaking workpiece and mold damage, and production efficiency can be also 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 location structure for improveing the pin that floats,
A kind of and punch-forming mold.
【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 location structure for improveing the pin that floats.
In order to solve the above technical problems, the application is to be achieved through the following technical solutions：
Improvement is floated the location structure of pin, including on die shoe and along die shoe vertical direction up/down perforation die shoe
Die shoe through hole, passed through on lower mould backboard and along the lower mould backboard of mould backboard under lower mould backboard vertical direction up/down perforation
Through hole, in lower template and along the lower template through hole of lower template vertical direction up/down perforation lower template, and from the bottom up
Sequentially pass through the die shoe through hole, the lower mould backboard through hole and the lower template through hole and can be along the die shoe
The floating pin of telescopic moving above and below through hole vertical direction；Under the pin upper end of floating is stretched out the lower template through hole and is located at
When on the upside of template upper surface, to contact positioning product material strip；The pin lower end of floating is located in the die shoe through hole, and
It is adapted which is provided with the die shoe through hole and to stop that the pin that floats is jumped out from the lower template through hole
Stop part.
The location structure of improvement floating pin as described above, the aperture size of the lower template through hole and the lower mould back of the body
The aperture size of plate through hole is equal, and the aperture size of the lower template through hole is less than the aperture of the die shoe through hole
Size.
The location structure of improvement floating pin as described above, the location structure for improveing the pin that floats is also including described in
The lower template insertion is stretched out in die shoe through hole and on the downside of the pin that floats and to the pin that floated described in elastic reset
The elastic reseting part in hole, and in the die shoe through hole and on the downside of the elastic reseting part and to limit
Steric hindrance keeps off the limiting component that the elastic reseting part drops out the die shoe through hole.
The location structure of improvement floating pin as described above, the shape of cross section of the die shoe through hole is circular, institute
It is plug screw to state limiting component, and with being threadedly coupled on the downside of the lower template inside through holes.
The location structure of improvement floating pin as described above, the elastic reseting part is compression spring.
The location structure of improvement floating pin as described above, the lower mould backboard through hole and the lower template through hole
Shape of cross section is square, and the pin that floats is square column.
The location structure of improvement floating pin as described above, the making material for floating pin is SLD steel.
The application further mentions a kind of punch-forming mold, includes the location structure of improvement floating pin as described above.
Compared with prior art, above-mentioned application has the following advantages：
The location structure that the application improves the pin that floats sells described float located at the die shoe through hole 1, the lower mould
The inside of backboard through hole and the lower template through hole, then again by located at it is described float sell lower end the stop part come
It is spacing to stop that the floating pin continues upward movement, stop that the spacing floating pin jumps out the lower template so as to not only can reach
Through hole, and can also avoid existing combined type buoyancy pin positioning structure that the phenomenon of connection separation easily occurs, and then not only can be with
Avoid largely breaking workpiece to greatest extent and avoid mold damage, and production efficiency can also be significantly increased to 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 for the location structure that the application improves the pin that floats.
Fig. 3 is that the application improves hiding pin, the elastic reseting part and the institute of floating in the location structure for floating and selling
State the schematic diagram after limiting component
Fig. 4 is the front view that the application improves the pin that floated described in the location structure for floating and selling.
Fig. 5 is the right view that the application improves the pin that floated described in the location structure for floating and selling.
【Embodiment】
The application is described in further detail below by embodiment combination accompanying drawing.
As shown in Figure 2-5, improvement is floated the location structure of pin, including on die shoe and along die shoe vertical direction
The die shoe through hole 1 of up/down perforation die shoe, on lower mould backboard and along mould under lower mould backboard vertical direction up/down perforation
The lower mould backboard through hole 2 of backboard, passed through in lower template and along the lower template of lower template vertical direction up/down perforation lower template
Through hole 3, and sequentially pass through the die shoe through hole 1, the lower mould backboard through hole 2 and the lower template from the bottom up and pass through
Through hole 3 and can be along the floating pin 4 of telescopic moving above and below the vertical direction of die shoe through hole 1；The upper end of floating pin 4 is stretched out
The lower template through hole 3 and when on the upside of the lower template upper surface, to contact positioning product material strip；Under the floating pin 4
End is adapted and described to stop in the die shoe through hole 1, and which is provided with the die shoe through hole 1
The stop part 41 that floating pin 4 is jumped out from the lower template through hole 3.
The floating pin 4 is located at the die shoe through hole 1, the lower mould by the location structure that the application improves the pin that floats
The inside of backboard through hole 2 and the lower template through hole 3, then pass through the stop located at the lower end of floating pin 4 again
Portion 41 is spacing to stop that the floating pin 4 continues upward movement, stops that the spacing floating pin 4 jumps out institute so as to not only can reach
Lower template through hole 3 is stated, and can also avoid existing combined type buoyancy pin positioning structure that the phenomenon that connection separates easily occurs, and then
It not only can to greatest extent avoid largely breaking workpiece and avoid mold damage, and production efficiency can also be significantly increased with big
The earth reduces the production cost of manufacturing enterprise.
The aperture size of the lower template through hole 3 and the aperture size of the lower mould backboard through hole 2 are equal and described
The aperture size of lower template through hole 3 is less than the aperture size of the die shoe through hole 1.Can be with spacing its object is to be formed
The stop part 41 moves up, and then realizes the barrier effect of the stop part 41.
The improvement floats the location structure sold also including in the die shoe through hole 1 and positioned at the floating pin
The elastic reseting part 5 of the lower template through hole 3 is stretched out on the downside of in the of 4 and to floating pin 4 described in elastic reset, and located at institute
State in die shoe through hole 1 and stop that the elastic reseting part 5 falls positioned at the downside of elastic reseting part 5 and to spacing
Go out the limiting component 6 of the die shoe through hole 1.The advantage is that can realize elastic reset by the elastic reseting part 5
The floating pin 4, reach the purpose of simple and fast.
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 shape of cross section of the lower mould backboard through hole 2 and the lower template through hole 3 is square, and the floating
Pin 4 is square column.Its object is to designed according to actual production product demand.
The making material of the floating pin 4 is SLD steel.It the advantage is that SLD steel have high-wearing feature, high pressure resistance
The outstanding features such as degree.
The application further mentions a kind of punch-forming mold, includes the location structure of improvement floating pin as described above.
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 (8)
- The location structure of pin 1. improvement is floated, it is characterised in that：Including on die shoe and along above and below die shoe vertical direction Penetrate the die shoe through hole (1) of die shoe, carried on the back on lower mould backboard and along mould under lower mould backboard vertical direction up/down perforation The lower mould backboard through hole (2) of plate, passed through in lower template and along the lower template of lower template vertical direction up/down perforation lower template Through hole (3), and sequentially pass through from the bottom up the die shoe through hole (1), the lower mould backboard through hole (2) and it is described under Template through hole (3) and can along die shoe through hole (1) vertical direction up and down telescopic moving floating pin (4)；It is described floating When dynamic pin (4) upper end is stretched out the lower template through hole (3) and is located on the upside of lower template upper surface, to contact positioning product material Band；Described pin (4) lower end of floating is located in the die shoe through hole (1), and which is provided with and the die shoe through hole (1) it is adapted and to stop that described float sells the stop part (41) (4) jumped out from the lower template through hole (3).
- The location structure of pin 2. improvement according to claim 1 is floated, it is characterised in that：The lower template through hole (3) Aperture size and the lower mould backboard through hole (2) aperture size it is equal, and the aperture chi of the lower template through hole (3) The very little aperture size less than the die shoe through hole (1).
- The location structure of pin 3. improvement according to claim 2 is floated, it is characterised in that：The positioning of the improvement floating pin Structure also includes selling on the downside of (4) and to described in elastic reset in the die shoe through hole (1) and positioned at described float The pin (4) that floats stretches out the elastic reseting part (5) of the lower template through hole (3), and located at the die shoe through hole (1) It is interior and stop that the elastic reseting part (5) drops out the lower mould on the downside of the elastic reseting part (5) and to spacing The limiting component (6) of seat through hole (1).
- The location structure of pin 4. improvement according to claim 3 is floated, 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 screw thread Connection.
- The location structure of pin 5. improvement according to claim 4 is floated, it is characterised in that：The elastic reseting part (5) For compression spring.
- The location structure of pin 6. improvement according to claim 3 is floated, it is characterised in that：The lower mould backboard through hole (2) and the lower template through hole (3) shape of cross section be it is square, and it is described float pin (4) be square column.
- The location structure of pin 7. improvement according to claim 6 is floated, it is characterised in that：The making of the pin (4) that floats Material is SLD steel.
- 8. punch-forming mold, it is characterised in that：Include the positioning of the improvement floating pin described in claim 1~7 any one Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191956.4A CN107866483A (en) | 2017-11-24 | 2017-11-24 | The location structure and punch-forming mold of improvement floating pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191956.4A CN107866483A (en) | 2017-11-24 | 2017-11-24 | The location structure and punch-forming mold of improvement floating pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107866483A true CN107866483A (en) | 2018-04-03 |
Family
ID=61754488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711191956.4A Pending CN107866483A (en) | 2017-11-24 | 2017-11-24 | The location structure and punch-forming mold of improvement floating pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107866483A (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 CN201711191956.4A patent/CN107866483A/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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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180403 |