CN107695199A - Correct the mould correction mechanism of stamping products flexural deformation - Google Patents
Correct the mould correction mechanism of stamping products flexural deformation Download PDFInfo
- Publication number
- CN107695199A CN107695199A CN201711191036.2A CN201711191036A CN107695199A CN 107695199 A CN107695199 A CN 107695199A CN 201711191036 A CN201711191036 A CN 201711191036A CN 107695199 A CN107695199 A CN 107695199A
- Authority
- CN
- China
- Prior art keywords
- amendment
- flexural deformation
- mold insert
- mould
- correction mechanism
- 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.)
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Classifications
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- 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
Abstract
This application discloses the mould correction mechanism of amendment stamping products flexural deformation, including the de- material amendment mold insert on stripper pad, and the positive mold insert of lower die repair on lower mould backboard and below the de- material amendment mold insert, multiple indents and the amendment teeth groove being intervally arranged along its longitudinal direction are provided with the downside of the de- material amendment mold insert, is provided with the upside of the lower positive mold insert of die repair and is adapted with the amendment teeth groove to correct the amendment double wedge of the vertical flexural deformation of product material strip.The application is coordinated up and down by the amendment teeth groove and the amendment double wedge, and form many places correction position along product material strip longitudinal direction, then during punch forming, the IC chip metal lead wire frame that can be deformed to arc-shaped bend vertically downwards is corrected, so as to which quality requirements are significantly increased, and be advantageous to stablize the quality requirements of the full processing procedure of IC chip, and then production qualification rate can be greatly improved, it is satisfied with the demand of growing tension, is also beneficial to promote the further development of information technology.
Description
【Technical field】
The application is related to the technical field of mould structure, in particular to a kind of amendment stamping products flexural deformation
Mould correction mechanism.
【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 calculating
Machine memory bar and CPU are the rapid downward of the IC chip price of representative, are drops using stamping IC chip metal lead wire frame
Low IC chip price, the important channel for improving production efficiency.
However, IC chip metal lead wire frame easily causes metal to draw after the completion of punching production because internal stress be present
Wire frame occurs bending and deformation, for example, deformed along the arc-shaped bend of IC chip metal lead wire frame vertically downwards, then can be serious
Being smoothed out for the follow-up production process of IC chip is influenceed, so as to which the problem of IC chip metal lead wire frame flexural deformation is to annoying
A stamping forming technical barrier, and then can not meet the demand of growing tension, while be also to govern entering for information technology
One step develops.
【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 mould for correcting stamping products flexural deformation
Correction mechanism.
In order to solve the above technical problems, the application is to be achieved through the following technical solutions：
The mould correction mechanism of stamping products flexural deformation is corrected, including：
De- material amendment mold insert, it is on the stripper pad, positioned at vertical flexural deformation and along stripper pad transverse direction side
To above the mobile product material strip to advance, and multiple indents and the corrected tooth being intervally arranged along its longitudinal direction are provided with the downside of it
Groove；
The lower positive mold insert of die repair, it below the de- material amendment mold insert, and is provided with lower mould backboard on the upside of it
It is adapted with the amendment teeth groove to correct the amendment double wedge of the vertical flexural deformation of product material strip.
The mould correction mechanism of amendment stamping products flexural deformation as described above, the amendment teeth groove are shaped as indent
Rectangle, the amendment double wedge are shaped as raised rectangle.
The mould correction mechanism of amendment stamping products flexural deformation as described above, the amendment stamping products flexural deformation
Mould correction mechanism also include mobile adjusting part, the mobile adjusting part is located between die shoe and lower mould backboard, and
It is connected with the lower positive mold insert of die repair, to adjust the upward rising height of the positive mold insert of lower die repair or settle depth downwards.
The mould correction mechanism of amendment stamping products flexural deformation as described above, the mobile adjusting part include：
Taper liner is fast, and it is sheathed in lower mould backboard, and on the downside of the lower positive mold insert of die repair, and its lower surface is by going to
The first inclined plane tilted down afterwards；
Flat gasket, it is between the lower positive mold insert of die repair and the taper liner are fast；
Connecting screw, it is sheathed in die shoe, and its upper end from lower to upper successively with the taper liner is fast, the Flat gasket
With the lower positive mold insert threaded connection of die repair；
Elastomeric element is tensioned, it is sheathed on the bottom of the connecting screw, in die shoe, and in a free state
It is engaged with the connecting screw so that the positive mold insert of lower die repair is in extreme lower position；
Push rod is adjusted, its rear end is inserted in lower template, passed through positioned at the fast downside of the taper liner, and by the connecting screw
Wear, being provided with second that is downwardly inclined and can be adapted with first inclined plane from front to back on the upside of the regulation putting back-end inclines
Inclined-plane；
Connects bearing, it is connected on the upside of the regulation push rod front end；
Adjusting screw rod, its front end sleeve is in the connects bearing, and its rear end is threadedly coupled with lower mould backboard, to drive
The dynamic connects bearing drives the regulation push rod to be moved forward and backward along die shoe longitudinal direction, and then the regulation push rod drives institute
Taper liner is stated to move with the Flat gasket linkage lower positive mold insert oscilaltion of die repair soon.
The mould correction mechanism of amendment stamping products flexural deformation as described above, the mobile adjusting part also include set
Located at the adjusting screw rod and the pretension elastomeric element between the connects bearing and lower mould backboard.
The mould correction mechanism of amendment stamping products flexural deformation as described above, described adjust also open up on putting back-end
There is rear end through hole, the rear end through hole is engaged to be oriented to the connecting screw of stepping down with the connecting screw
The spacing regulation push rod is moved forward and backward, and front end through hole, the mobile adjusting part are offered on the regulation push rod front end
Also include through be threadedly coupled with die shoe after the front end through hole and to aid in regulation push rod described in guide and limit before and after
Mobile guide and limit screw rod.
The mould correction mechanism of amendment stamping products flexural deformation as described above, the rear end through hole and the front end
The shape of through hole is elongated hole.
The mould correction mechanism of amendment stamping products flexural deformation as described above, the quantity of the rear end through hole is extremely
Few 1, the quantity of the front end through hole is 1.
The mould correction mechanism of amendment stamping products flexural deformation as described above, described adjust also open up on push rod front end
There is the connecting groove positioned at front end through hole rear side and downward indent, be provided with rear side of the connects bearing lower end downwardly projecting
And it can be adapted with the connecting groove with the projection that is located by connecting for the regulation push rod that is located by connecting.
The mould correction mechanism of amendment stamping products flexural deformation as described above, the amendment teeth groove and the amendment are convex
The top layer of tooth is equipped with the TD coating after TD is handled.
Compared with prior art, above-mentioned application has the following advantages：
1st, the mould correction mechanism of the application amendment stamping products flexural deformation passes through on the de- material amendment mold insert
The amendment teeth groove coordinate up and down with the amendment double wedge on the lower positive mold insert of die repair, and along product material strip longitudinal direction
Direction forms many places correction position, can be to the IC chip of arc-shaped bend deformation vertically downwards then during punch forming
Metal lead wire frame is corrected, while also ensures the bending deformation quantity of IC chip metal lead wire frame in below 0.25mm,
So as to which the quality requirements of IC chip metal lead wire frame are significantly increased, and be advantageous to stablize the product of the full processing procedure of IC chip
Matter requirement, and then production qualification rate can be greatly improved, it is satisfied with the demand of growing tension, is also beneficial to promote information technology
Further development；
2nd, the mould correction mechanism of the application amendment stamping products flexural deformation can be real by the mobile adjusting part
Position height of the existing electrodeless adjustment lower positive mold insert of die repair in lower mould backboard, and just can also can directly enter on punch press
Row adjustment work, so as to avoid the cumbersome action of lower mould maintenance adjustment, and then can not only conveniently adjustment work, and can also having
Beneficial to raising production efficiency；
3rd, the mould correction mechanism of the application amendment stamping products flexural deformation passes through the connecting groove 354 and described fixed
Position connection bump 361 is adapted, and the connects bearing 36 can be facilitated to be located by connecting with the regulation push rod 35, and can also facilitate
The various sizes of connects bearing 36 is changed to meet different actual demands, and then the practicality of the application can be improved
And applicability.
【Brief description of the drawings】
Fig. 1 be the mould correction mechanism of the application amendment stamping products flexural deformation hide after the de- material amendment mold insert
Schematic top plan view on mould.
Fig. 2 is that the mould correction mechanism of the application amendment stamping products flexural deformation shows described on the basis of Fig. 1
The sectional view A-A splitted after de- material amendment mold insert and stripper pad along hatching A-A.
Fig. 3 is the signal of de- material amendment mold insert described in the mould correction mechanism of the application amendment stamping products flexural deformation
Figure.
Fig. 4 is the solid of the positive mold insert of lower die repair described in the mould correction mechanism of the application amendment stamping products flexural deformation
Figure.
Fig. 5 is the top view that push rod is adjusted described in the mould correction mechanism of the application amendment stamping products flexural deformation.
Fig. 6 is sectional view B-Bs of the Fig. 5 along taken along line B-B.
Fig. 7 is the right view that taper liner is fast described in the mould correction mechanism of the application amendment stamping products flexural deformation.
Fig. 8 is Fig. 2 partial enlarged view I.
Fig. 9 is Fig. 2 partial enlarged view II.
Figure 10 is Fig. 3 partial enlarged view III.
Figure 11 is Fig. 4 partial enlarged view IV.
Figure 12 is Fig. 6 partial enlarged view V.
【Embodiment】
The application is described in further detail below by embodiment combination accompanying drawing.
As shown in figs. 1-12, correct stamping products flexural deformation mould correction mechanism, including de- material amendment mold insert 1, under
The positive mold insert 2 of die repair and mobile adjusting part 3.
Specifically, the de- material amendment mold insert 1 is on the stripper pad 400, positioned at vertical flexural deformation and along de-
Expect the top of product material strip 300 that the movement of backboard 400 horizontal direction is advanced, and be provided with the downside of it multiple indents and along its longitudinal direction side
To the amendment teeth groove 11 being intervally arranged.The positive mold insert 2 of lower die repair is inlayed on lower mould backboard 200 positioned at the de- material amendment
The lower section of part 1, and be provided with the upside of it and be adapted with the amendment teeth groove 11 to correct repairing for 300 vertical flexural deformation of product material strip
Positive double wedge 21.
The mould correction mechanism of the application amendment stamping products flexural deformation passes through on the de- material amendment mold insert 1
The amendment teeth groove 11 coordinates with the amendment double wedge on the lower positive mold insert 2 of die repair about 21, and along product material strip
300 longitudinal directions form many places correction position, and then during punch forming, arc-shaped bend vertically downwards can be deformed
IC chip metal lead wire frame is corrected, while also ensures the bending deformation quantity of IC chip metal lead wire frame in 0.25mm
Hereinafter, so as to which the quality requirements of IC chip metal lead wire frame are significantly increased, and be advantageous to stablize IC chip and make entirely
The quality requirements of journey, and then production qualification rate can be greatly improved, it is satisfied with the demand of growing tension, is also beneficial to promote letter
The further development of breath technology.
The amendment teeth groove 11 is shaped as indent rectangle, and the amendment double wedge 21 is shaped as raised rectangle.Its advantage
It is to improve the contact area with product material strip 300, eliminates caused internal stress during punch forming.
The mould correction mechanism of the amendment stamping products flexural deformation also includes mobile adjusting part 3, the mobile tune
Save component 3 to be located between die shoe and lower mould backboard 200, and be connected with the lower positive mold insert 2 of die repair, to adjust it is described under
The positive 2 upward rising height of mold insert of die repair settles downwards depth.
The mobile adjusting part 3 includes taper liner fast 31, Flat gasket 32, connecting screw 33, tensioning elastomeric element 34, regulation
Push rod 35, connects bearing 36 and adjusting screw rod 37.
The taper liner fast 31 is sheathed in lower mould backboard 200, on the downside of the lower positive mold insert 2 of die repair, and its lower surface
For by the first inclined plane 311 tilted down after going to.The Flat gasket 32 is located at the lower positive mold insert 2 of die repair and the taper liner
Between fast 31.The connecting screw 33 is sheathed in die shoe 100, and its upper end from lower to upper successively fast with the taper liner 31,
The Flat gasket 32 and the positive mold insert 2 of the lower die repair are threadedly coupled.The tensioning elastomeric element 34 is sheathed on the connecting screw
33 bottom, in die shoe 100, and it is engaged in a free state with the connecting screw 33 so that the lower die repair
Positive mold insert 2 is in extreme lower position.Regulation push rod 35 rear end is inserted in lower template, positioned at fast 31 downside of the taper liner, and
Run through by the connecting screw 33, regulation push rod 35 rear upper side is provided with to be downwardly inclined and can be with described first from front to back
The second inclined plane 351 that inclined plane 311 is adapted.The connects bearing 36 is connected on the upside of regulation push rod 35 front end.Institute
The front end sleeve of adjusting screw rod 37 is stated in the connects bearing 36, and its rear end is threadedly coupled with lower mould backboard 200, to drive
The connects bearing 36 drives the regulation push rod 35 to be moved forward and backward along the longitudinal direction of die shoe 100, then the regulation push rod
35 drive the taper liner fast 31 and the Flat gasket 32 links the positive oscilaltion of mold insert 2 movement of the lower die repair.It the advantage is that
It can realize that position of the electrodeless adjustment lower positive mold insert 2 of die repair in lower mould backboard 200 is high by the mobile adjusting part 3
Degree, and work just can also be directly adjusted on punch press, so as to avoid the tedious work of lower mould maintenance adjustment, enter
And adjustment can not only be facilitated to act, and may also be advantageous for improving production efficiency.
The mobile adjusting part 3 also includes being sheathed on the adjusting screw rod 37 and positioned at the connects bearing 36 and lower mould
Pretension elastomeric element 38 between backboard 200.It the advantage is that the advance and retrogressing of the auxiliary control regulation push rod 35.
The tensioning elastomeric element 34 and the pretension elastomeric element 38 are both preferably compression spring.
Rear end through hole 352 is further opened with regulation push rod 35 rear end, the rear end through hole 352 is to step down
Connecting screw 33 is stated, and is engaged with the connecting screw 33 and is moved forward and backward with adjusting push rod 35 described in guide and limit, the tune
Front end through hole 353 is offered on section push rod 35 front end, the mobile adjusting part 3 is also included through the front end through hole
It is threadedly coupled and with die shoe 100 to aid in adjusting the movable guide and limit spiral shell of push rod 35 described in guide and limit after 353
Bar 39.The advantage is that can be oriented to the moving direction of the regulation push rod 35, and the movement of the spacing regulation push rod 35
Distance.
The shape of the rear end through hole 352 and the front end through hole 353 is elongated hole, is satisfied with actual requirement.
The quantity of the rear end through hole 352 is at least one, preferably 2.The quantity of the front end through hole 353 is 1
It is individual.Its object is to be satisfied with actual requirement.
It is further opened with regulation push rod 35 front end positioned at the rear side of front end through hole 353 and the connection of indent downwards
Groove 354, the lower end of connects bearing 36 rear side are provided with downwardly projecting and can be adapted with the connecting groove 354 with the company of positioning
Connect the projection 361 that is located by connecting of the regulation push rod 35.It the advantage is that and facilitate the connects bearing 36 and the regulation push rod
35 are located by connecting, and can also be convenient for changing the various sizes of connects bearing 36 to meet different actual demands, and then
The practicality and applicability of the application can be improved.
The top layer of the amendment teeth groove 11 and the amendment double wedge 21 is equipped with the TD coating after TD is handled.Its advantage exists
Coefficient of friction can be greatly lowered in the amendment teeth groove 11 and the amendment double wedge 21 after being handled through TD, reduce to product
Scratch or weigh wounded, and can greatly improves anti-seizing property, and can also increase the service life, save production cost or operation into
This.
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 (10)
1. correct the mould correction mechanism of stamping products flexural deformation, it is characterised in that including：
De- material amendment mold insert (1), it is on the stripper pad, positioned at vertical flexural deformation and along stripper pad horizontal direction
Above the mobile product material strip to advance, and multiple indents and the amendment teeth groove being intervally arranged along its longitudinal direction are provided with the downside of it
(11)；
The lower positive mold insert of die repair (2), it below the de- material amendment mold insert (1), and sets on lower mould backboard on the upside of it
Have and be adapted with the amendment teeth groove (11) to correct the amendment double wedge (21) of the vertical flexural deformation of product material strip.
2. the mould correction mechanism of amendment stamping products flexural deformation according to claim 1, it is characterised in that：It is described to repair
Positive teeth groove (11) is shaped as indent rectangle, and the amendment double wedge (21) is shaped as raised rectangle.
3. the mould correction mechanism of amendment stamping products flexural deformation according to claim 1, it is characterised in that：It is described to repair
The mould correction mechanism of positive stamping products flexural deformation also includes mobile adjusting part (3), and the mobile adjusting part (3) is located at
Between die shoe and lower mould backboard, and it is connected with the lower positive mold insert of die repair (2), to adjust the positive mold insert of lower die repair
(2) rising height or depth is settled downwards upwards.
4. the mould correction mechanism of amendment stamping products flexural deformation according to claim 3, it is characterised in that：The shifting
Dynamic adjusting part (3) includes：
Taper liner is fast (31), and it is sheathed in lower mould backboard, and on the downside of the lower positive mold insert of die repair (2), and its lower surface is served as reasons
The first inclined plane (311) tilted down after going to；
Flat gasket (32), it is between the lower positive mold insert of die repair (2) and the taper liner fast (31)；
Connecting screw (33), it is sheathed in die shoe, and its upper end is from lower to upper successively (31) fast with the taper liner, described flat
Cushion block (32) and the positive mold insert of lower die repair (2) threaded connection；
Elastomeric element (34) is tensioned, it is sheathed on the bottom of the connecting screw (33), in die shoe, and in free shape
It is engaged under state with the connecting screw (33) so that the positive mold insert of lower die repair (2) is in extreme lower position；
Push rod (35) is adjusted, its rear end is inserted in lower template, on the downside of the taper liner fast (31), and by the connecting screw
(33) run through, described regulation push rod (35) rear upper side is provided with to be downwardly inclined and can be with first inclined plane from front to back
(311) the second inclined plane (351) being adapted；
Connects bearing (36), it is connected on the upside of described regulation push rod (35) front end；
Adjusting screw rod (37), its front end sleeve is in the connects bearing (36), and its rear end is threadedly coupled with lower mould backboard, uses
To drive the connects bearing (36) to drive the regulation push rod (35) to be moved forward and backward along die shoe longitudinal direction, the then tune
Saving push rod (35) drives the taper liner fast (31) and the Flat gasket (32) the linkage lower positive mold insert of die repair (2) oscilaltion to move
It is dynamic.
5. the mould correction mechanism of amendment stamping products flexural deformation according to claim 4, it is characterised in that：The shifting
Dynamic adjusting part (3) also includes being sheathed on the adjusting screw rod (37) and between the connects bearing (36) and lower mould backboard
Pretension elastomeric element (38).
6. the mould correction mechanism of amendment stamping products flexural deformation according to claim 4, it is characterised in that：The tune
Section is further opened with rear end through hole (352) on push rod (35) rear end, and the rear end through hole (352) is to the connection spiral shell of stepping down
Bar (33), and be engaged with the connecting screw (33) and moved forward and backward with adjusting push rod (35) described in guide and limit, the regulation
Front end through hole (353) is offered on push rod (35) front end, the mobile adjusting part (3) also includes running through through the front end
Hole (353) is threadedly coupled with die shoe and to aid in adjusting the movable guide and limit of push rod (35) described in guide and limit afterwards
Screw rod (39).
7. the mould correction mechanism of amendment stamping products flexural deformation according to claim 6, it is characterised in that：After described
The shape for holding through hole (352) and the front end through hole (353) is elongated hole.
8. the mould correction mechanism of amendment stamping products flexural deformation according to claim 7, it is characterised in that：After described
The quantity for holding through hole (352) is at least one, and the quantity of the front end through hole (353) is 1.
9. the mould correction mechanism of amendment stamping products flexural deformation according to claim 4, it is characterised in that：The tune
The connecting groove (354) positioned at the front end through hole (353) rear side and downward indent is further opened with section push rod (35) front end,
It is provided with downwardly projecting on rear side of connects bearing (36) lower end and can be adapted with the connecting groove (354) to be located by connecting
State being located by connecting raised (361) for regulation push rod (35).
10. the mould correction mechanism of the amendment stamping products flexural deformation according to any one of claim 1~9, its feature
It is：The top layer of the amendment teeth groove (11) and the amendment double wedge (21) is equipped with the TD coating layers after TD is handled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191036.2A CN107695199A (en) | 2017-11-24 | 2017-11-24 | Correct the mould correction mechanism of stamping products flexural deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191036.2A CN107695199A (en) | 2017-11-24 | 2017-11-24 | Correct the mould correction mechanism of stamping products flexural deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107695199A true CN107695199A (en) | 2018-02-16 |
Family
ID=61185887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711191036.2A Pending CN107695199A (en) | 2017-11-24 | 2017-11-24 | Correct the mould correction mechanism of stamping products flexural deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107695199A (en) |
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2017
- 2017-11-24 CN CN201711191036.2A patent/CN107695199A/en active Pending
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|---|---|---|---|---|
| CN201659193U (en) * | 2010-04-28 | 2010-12-01 | 四川金湾电子有限责任公司 | Stamping die straightening structure for semiconductor hard alloy lead frame |
| CN103464608A (en) * | 2013-09-27 | 2013-12-25 | 铜陵丰山三佳微电子有限公司 | High-speed progressive die for correcting coplanarity of lead frame |
| CN203707085U (en) * | 2014-02-27 | 2014-07-09 | 铜陵丰山三佳微电子有限公司 | Level correction device used for lead frame |
| CN204866926U (en) * | 2015-08-19 | 2015-12-16 | 铜陵丰山三佳微电子有限公司 | Lead frame cross curvature controllability correcting unit |
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Application publication date: 20180216 |