CN107138602A - A kind of floating type rigid discharging structure - Google Patents
A kind of floating type rigid discharging structure Download PDFInfo
- Publication number
- CN107138602A CN107138602A CN201710502463.1A CN201710502463A CN107138602A CN 107138602 A CN107138602 A CN 107138602A CN 201710502463 A CN201710502463 A CN 201710502463A CN 107138602 A CN107138602 A CN 107138602A
- Authority
- CN
- China
- Prior art keywords
- stripper
- pressing plate
- punch
- connecting bolt
- connecting hole
- 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.)
- Granted
Links
- 238000007599 discharging Methods 0.000 title claims abstract description 43
- 238000007667 floating Methods 0.000 title claims abstract description 27
- 230000000694 effects Effects 0.000 claims abstract description 16
- 239000007787 solid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 6
- 238000004080 punching Methods 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
- B21D45/006—Stripping-off devices
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/06—Stripping-off devices
- B21D45/08—Stripping-off devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses the floating type rigid discharging structure of one kind, including punch-pin, punch retainer, cavity plate, die block, upper bolster and die shoe, stripper is provided with above die block, stripper connecting bolt is under the effect of stripper return spring by stripper and die block floating connection.Pressing plate is provided with above stripper, pressing plate connecting bolt is connected after sequentially passing through pressing plate, punch retainer, convex mould pad from the bottom up with upper bolster；The pressing plate thrust spring compressed is arranged with pressing plate connecting bolt between pressing plate and punch retainer.The present invention realizes rigid discharging using the spacing effect of the elastic force and bolt of spring, ingenious to avoid existing rigid discharging structure and the respective shortcoming of elastic discharging structure, while having received both advantages.
Description
Technical field
The present invention relates to blanking die, and in particular to a kind of floating type rigid discharging structure on blanking die, belongs to stamping technology.
Background technology
Diel is that in Cold Press Working, a kind of special process that material is processed into part is equipped.Complete once
Punching press just has a forming part and is stamped out., it is necessary to which discharging is made so that workpiece and punch-pin are separated after the up die sinking of mould
Workpiece leaves.Existing mould discharging structure is mainly rigid discharging and elastic two kinds of discharging structure.Stripper is fixed, is
Rigid discharging.Stripper is promoted by flexible member, is elastic discharging.Wherein elastic discharging structure discharging strength is small, there is flanging work
With, rigid discharging structure discharging strength is big, but without flanging effect.Elastic discharging, can effectively solve problem on deformation, but flexible member
Easily failure, discharging are unreliable；Rigid discharging, although discharging is reliable, but deformation is serious.As seen from the above, rigid discharging and bullet
Property discharging structure respectively has advantage and disadvantage, that is, keeps all haveing the shortcomings that while respective advantage different, how to avoid both shortcomings
And it is those skilled in the art always in the direction of exploration to utilize both advantages.
The content of the invention
For deficiencies of the prior art, the technical problem to be solved in the present invention is to provide a kind of floating type rigidity
Discharging structure, this discharging structure is ingenious to avoid existing rigid discharging structure and the respective shortcoming of elastic discharging structure, and simultaneously
Both advantages are received.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
A kind of floating type rigid discharging structure, including punch-pin, punch retainer, cavity plate, die block, upper bolster and lower mould
Seat, the punch-pin is arranged on punch retainer, and punch retainer is connected by convex mould pad with upper bolster, and cavity plate is arranged on recessed
In mould fixed plate, die block is connected with die shoe.
Stripper is provided with above die block, the stripper connecting hole of up/down perforation, discharging are provided with stripper
Plate connecting hole is for the concentric holes of two sections different-diameter to constitute stepped hole, and wherein epimere diameter is more than hypomere diameter, recessed
Mould fixed plate upper surface be provided with stripper connecting hole just to counterbore, stripper connecting bolt is through stripper connecting hole and heavy
Stripper and die block are connected behind hole；Stripper connecting bolt head is located in stripper connecting hole epimere and stripper
Connecting bolt head lateral dimension is more than stripper connecting hole hypomere diameter to prevent stripper from taking off from stripper connecting bolt
Fall；In counterbore be provided with stripper return spring, stripper return spring be enclosed on stripper connecting bolt and be compressed in it is heavy
Bottom hole face and stripper lower surface, the depth of stripper connecting hole epimere are more than the thickness on stripper connecting bolt head, so that
Stripper and die block constitute floating connection under the effect of stripper return spring, and stripper floats to be connected apart from for stripper
Connect the depth of hole epimere and the difference of stripper connecting bolt head thickness.
Pressing plate is provided with above stripper, the pressing plate connecting hole of up/down perforation is provided with pressing plate, pressing plate connecting hole is upper
The concentric holes of lower two sections of different-diameters are to constitute stepped hole, and wherein epimere diameter is less than hypomere diameter, and pressing plate connecting bolt is under
Up sequentially pass through after the pressing plate connecting hole on pressing plate, the connecting hole on punch retainer, the connecting hole on convex mould pad with it is upper
Die holder is connected；The pressing plate thrust spring compressed is arranged with pressing plate connecting bolt between pressing plate and punch retainer；Pressure
Plate connecting bolt lower end has spacing head, and spacing head is located in pressing plate connecting hole hypomere and spacing head lateral dimension is more than
Pressing plate connecting hole epimere diameter is to prevent pressing plate from being come off from pressing plate connecting bolt；Punch-pin mistake is provided with pressing plate and stripper
Hole, punch-pin passes through the via on pressing plate and stripper and just right with cavity plate in the operating condition；The depth of pressing plate connecting hole hypomere
More than the thickness on the spacing head of pressing plate connecting bolt, so that pressing plate and upper bolster constitute the company of floating under the effect of pressing plate thrust spring
Connect, the punch-pin via on pressing plate is up big and down small stepped hole, punch-pin has ladder shaft part corresponding with the stepped hole on pressing plate,
Pressing plate is floated downward position with respect to upper bolster maximum and abutted for the spacing head of pressing plate connecting bolt with pressing plate connecting hole step surface, pressing plate phase
The maximum floating position of upper bolster is abutted for the step surface of punch-pin ladder shaft part with the punch-pin via step surface on pressing plate.
This structure punching press terminate upper bolster it is up during, punch-pin is moved upwardly together with upper bolster, gradually with plate
Separation, during this, pressing plate in certain distance under the effect of pressing plate thrust spring, to floating type positive stripper one to
Under pressure, it is ensured that plate is acted on by stripper pressure all the time in discharge process, and plate is unlikely to deform.Upper bolster continues
When being up to certain distance, pressing plate connecting bolt head is contacted with stepped hole step surface, and band dynamic pressure plate is moved upwardly together, discharging
Plate does not have after platen pressure, is moved up in the presence of stripper return spring elastic force, now, and stripper and plate start point
From, until stripper reaches maximum floating distance, stripper is no longer up, thus completes whole discharge process, realize punch-pin and
The separation of plate and the separation of stripper and plate, are easy to complete pickup work.Punch-pin is can be seen that from the above-mentioned course of work
During being separated with plate, plate is under pressure effect all the time, is unlikely to deform, obtained product quality is higher.
Compared with prior art, the present invention has the advantages that：
1st, the present invention use floating type rigid discharging structure, first promoted by flexible member, after due to bolt restriction effect, stripper
No longer move, therefore combine elastic discharging structure and the rigid respective advantage of discharging structure, stripper during discharging,
While ensureing to have sufficiently large stripping force, there is the effect of flanging again, so as to improve the quality of product.
2nd, during punch-pin work of the present invention in the punch-pin via at pressing plate and stripper center, both provided and run above and below punch-pin
Guiding, it is often more important that the partial action power suffered by punch-pin can pass to pressing plate and stripper, mitigate blanking process pair
Impulsive force, shearing force and bending force that punch-pin is brought, have good protective effect to punch-pin, can improve the use longevity of punch-pin
Life.
3rd, the present invention is simple in construction, and cost is low, is particularly suitable for the mould of punching class, is easy to pickup, can improve product
Quality.
4th, pressing plate connecting bolt and stripper connecting bolt of the present invention except with connection pressing plate and stripper effect in addition to,
Also there is guide function, make to run more steady and smooth above and below pressing plate and stripper.
Brief description of the drawings
Fig. 1-schematic structural view of the invention.
Wherein：1- punch-pin；2- punch retainers；3- cavity plates；4- die blocks；5- upper bolsters；6- die shoes；7- punch-pin
Backing plate；8- strippers；9- stripper connecting bolts；10- stripper return springs；11- pressing plates；12- pressing plate connecting bolts；13-
Pressing plate thrust spring；14- plates.
Embodiment
The embodiment to the present invention is described in further detail below in conjunction with the accompanying drawings.
The present invention is on the basis of rigid discharging structure and elastic discharging structure, it is proposed that a kind of floating type rigid discharging knot
Structure.Concrete structure may refer to Fig. 1, and the floating type rigid discharging structure of the present invention, including punch-pin 1, punch-pin are can be seen that from figure
Fixed plate 2, cavity plate 3, die block 4, upper bolster 5 and die shoe 6, the punch-pin 1 are arranged on punch retainer 2, punch-pin
Fixed plate 2 is connected by convex mould pad 7 with upper bolster 5.Cavity plate 3 is arranged on die block 4, die block 4 and lower mould
Seat 6 is connected.Wherein it is connected by screw between die block 4 and cavity plate 3 and die block 4 and die shoe 6.
Stripper 8 is provided with the top of die block 4, the stripper connecting hole of up/down perforation is provided with stripper 8, is unloaded
Flitch connecting hole is for the concentric holes of two sections different-diameter to constitute stepped hole, and wherein epimere diameter is more than hypomere diameter,
Die block upper surface be provided with stripper connecting hole just to counterbore, stripper connecting bolt 9 pass through stripper connecting hole
With stripper 8 and die block 4 are connected after counterbore.Stripper connecting bolt head be located at stripper connecting hole epimere in and
Stripper connecting bolt head lateral dimension is more than stripper connecting hole hypomere diameter to prevent stripper from connecting spiral shell from stripper
Come off on bolt.Stripper return spring 10 is provided with counterbore, stripper return spring 10 is enclosed on stripper connecting bolt 9 simultaneously
Counterbore bottom surface and stripper lower surface are compressed in, the depth of stripper connecting hole epimere is more than stripper connecting bolt head
Thickness, so that stripper and die block constitute floating connection, stripper floating distance under the effect of stripper return spring
The difference of depth and stripper connecting bolt head thickness for stripper connecting hole epimere.
Pressing plate 11 is provided with the top of stripper 8, the pressing plate connecting hole of up/down perforation, pressing plate connecting hole are provided with pressing plate 11
For the concentric holes of two sections different-diameter to constitute stepped hole, wherein epimere diameter is less than hypomere diameter, pressing plate connecting bolt
12 sequentially pass through the pressing plate connecting hole on pressing plate, the connecting hole on punch retainer, the connecting hole on convex mould pad from the bottom up
It is connected afterwards with upper bolster 5.The pressing plate compressed is arranged with pressing plate connecting bolt 12 between pressing plate 11 and punch retainer 2
Thrust spring 13；Pressing plate connecting bolt lower end has spacing head, and spacing head is located in pressing plate connecting hole hypomere and spacing head
Portion's lateral dimension is more than pressing plate connecting hole epimere diameter to prevent pressing plate from coming off from pressing plate connecting bolt.In pressing plate 11 and discharging
Plate 8 is provided with punch-pin via, and punch-pin 1 passes through the via on pressing plate and stripper and just right with cavity plate 3 in the operating condition；Pressing plate
The depth of connecting hole hypomere is more than the thickness on the spacing head of pressing plate connecting bolt, so that pressing plate and upper bolster are in pressing plate thrust spring
The lower punch-pin via constituted on floating connection, pressing plate of effect is up big and down small stepped hole, and punch-pin has and the step on pressing plate
The corresponding ladder shaft part in hole, it is the spacing head of pressing plate connecting bolt and pressing plate connecting hole that pressing plate floats downward position with respect to upper bolster maximum
Step surface is abutted, and pressing plate is the punch-pin via on the step surface and pressing plate of punch-pin ladder shaft part with respect to the maximum floating position of upper bolster
Step surface is abutted.
The stripper connecting bolt 9 of stripper and die block is connected to be multigroup and along uniform around cavity plate 3；Connection pressure
The pressing plate connecting bolt 12 of plate and upper bolster is multigroup and along uniform around punch-pin 1.
Stripper connecting bolt 9 is identical with the quantity of pressing plate connecting bolt 12 and in the vertical direction is just right one by one.
Operation principle introduction of the present invention：
First, during punching press, upper bolster 5 is descending, and pressing plate thrust spring 13 applies pressure by pressing plate 11 to stripper 8, makes stripper 8
Play a part of flanging in punching course, that is, play a part of holding pad.During mould is descending, pressing plate thrust spring 13
Compressive state is in stripper return spring 10.
2nd, punching press terminate upper bolster 5 it is up during, punch-pin 1 is moved upwardly together with upper bolster 5, gradually with plate
14 separation, during this, pressing plate 11 in certain distance under the effect of pressing plate thrust spring 13, to stripper 8 one downwards
Pressure, it is ensured that plate 14 is acted on by the pressure of stripper 8 all the time in discharge process, and plate 14 is unlikely to deform.Upper bolster 5
When continuing to be up to certain distance, pressing plate connecting bolt head is contacted with stepped hole step surface, upper bolster 5 with dynamic pressure plate 11 together
Motion upwards, after stripper 8 is without the pressure of pressing plate 11, is moved up in the presence of the elastic force of stripper return spring 10, now,
Stripper 8 is initially separated with plate 14, and until stripper 8 reaches maximum floating distance, stripper 8 is no longer up, thus completes
Whole discharge process, realizes the separation of punch-pin 1 and plate 14 and separating for stripper 8 and plate 14, is easy to completion pickup work
Make.It is can be seen that from the above-mentioned course of work during punch-pin 1 separates with plate 14, plate 14 is all the time by the pressure of stripper 8
Power is acted on, and is unlikely to deform, obtained product quality is higher.
The floating type rigid discharging structure of the present invention is to realize that rigidity is unloaded using the spacing effect of the elastic force and bolt of spring
Material.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (3)
1. a kind of floating type rigid discharging structure, including punch-pin, punch retainer, cavity plate, die block, upper bolster and lower mould
Seat, the punch-pin is arranged on punch retainer, and punch retainer is connected by convex mould pad with upper bolster, and cavity plate is arranged on recessed
In mould fixed plate, die block is connected with die shoe；It is characterized in that：
Stripper is provided with above die block, the stripper connecting hole of up/down perforation is provided with stripper, stripper connects
Hole is connect for the concentric holes of two sections different-diameter to constitute stepped hole, wherein epimere diameter is more than hypomere diameter, solid in cavity plate
Fixed board upper surface be provided with stripper connecting hole just to counterbore, stripper connecting bolt is through after stripper connecting hole and counterbore
Stripper and die block are connected；Stripper connecting bolt head is located in stripper connecting hole epimere and stripper is connected
Bolt head lateral dimension is more than stripper connecting hole hypomere diameter to prevent stripper from coming off from stripper connecting bolt；
Stripper return spring is provided with counterbore, stripper return spring is enclosed on stripper connecting bolt and is compressed in counterbore bottom surface
With stripper lower surface, the depth of stripper connecting hole epimere is more than the thickness on stripper connecting bolt head, so that stripper
Floating connection is constituted under the effect of stripper return spring with die block, stripper floats distance on stripper connecting hole
The depth of section and the difference of stripper connecting bolt head thickness；
Pressing plate is provided with above stripper, the pressing plate connecting hole of up/down perforation is provided with pressing plate, pressing plate connecting hole is up and down two
The concentric holes of section different-diameter are to constitute stepped hole, and wherein epimere diameter is less than hypomere diameter, and pressing plate connecting bolt is from the bottom up
Sequentially pass through after the pressing plate connecting hole on pressing plate, the connecting hole on punch retainer, the connecting hole on convex mould pad with upper bolster
Connection；The pressing plate thrust spring compressed is arranged with pressing plate connecting bolt between pressing plate and punch retainer；Pressing plate connects
Connecting bolt lower end has spacing head, and spacing head is located in pressing plate connecting hole hypomere and spacing head lateral dimension is more than pressing plate
Connecting hole epimere diameter is to prevent pressing plate from being come off from pressing plate connecting bolt；Punch-pin via is provided with pressing plate and stripper, it is convex
Mould passes through the via on pressing plate and stripper and just right with cavity plate in the operating condition；The depth of pressing plate connecting hole hypomere is more than pressure
The thickness on the spacing head of plate connecting bolt, so that pressing plate and upper bolster constitute floating connection under the effect of pressing plate thrust spring, is pressed
Punch-pin via on plate is up big and down small stepped hole, and punch-pin has ladder shaft part corresponding with the stepped hole on pressing plate, pressing plate
With respect to upper bolster maximum position is floated downward to abut with pressing plate connecting hole step surface for the spacing head of pressing plate connecting bolt, pressing plate relatively on
Die holder maximum floating position abuts for the step surface of punch-pin ladder shaft part with the punch-pin via step surface on pressing plate.
2. floating type rigid discharging structure according to claim 1, it is characterised in that：Connect stripper and die block
Stripper connecting bolt be multigroup and along uniform around cavity plate；Connect the pressing plate connecting bolt of pressing plate and upper bolster for it is multigroup simultaneously
It is uniform around along punch-pin.
3. floating type rigid discharging structure according to claim 1, it is characterised in that：Stripper connecting bolt and pressing plate connect
The quantity of connecting bolt is identical and in the vertical direction is just right one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502463.1A CN107138602B (en) | 2017-06-27 | 2017-06-27 | A kind of floating type rigid discharging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710502463.1A CN107138602B (en) | 2017-06-27 | 2017-06-27 | A kind of floating type rigid discharging structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107138602A true CN107138602A (en) | 2017-09-08 |
| CN107138602B CN107138602B (en) | 2019-09-27 |
Family
ID=59784571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710502463.1A Expired - Fee Related CN107138602B (en) | 2017-06-27 | 2017-06-27 | A kind of floating type rigid discharging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107138602B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413930A (en) * | 2017-06-26 | 2017-12-01 | 重庆理工大学 | Freedom from repairs formula aperture blanking die |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07314057A (en) * | 1994-05-25 | 1995-12-05 | Apic Yamada Kk | Press die structure |
| US20040000223A1 (en) * | 2002-07-01 | 2004-01-01 | Grant David S. | Stripper plate supporting assembly |
| CN2858104Y (en) * | 2005-11-18 | 2007-01-17 | 比亚迪股份有限公司 | Material pressing board mechanism and side-cut die including the same |
| CN104438843A (en) * | 2014-11-24 | 2015-03-25 | 常州市威玛泰精密工具有限公司 | Blanking and bending compound die |
| CN204396593U (en) * | 2014-12-13 | 2015-06-17 | 重庆天业模具冲压制造有限公司 | Elasticity discharging blanking die |
| CN204545098U (en) * | 2015-04-13 | 2015-08-12 | 无锡国盛精密模具有限公司 | Synchronous binder discharging blanking die |
| CN206838870U (en) * | 2017-06-27 | 2018-01-05 | 重庆理工大学 | Promoted and the spacing double-acting blanking die shedding mechanism of bolt based on flexible member |
-
2017
- 2017-06-27 CN CN201710502463.1A patent/CN107138602B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07314057A (en) * | 1994-05-25 | 1995-12-05 | Apic Yamada Kk | Press die structure |
| US20040000223A1 (en) * | 2002-07-01 | 2004-01-01 | Grant David S. | Stripper plate supporting assembly |
| CN2858104Y (en) * | 2005-11-18 | 2007-01-17 | 比亚迪股份有限公司 | Material pressing board mechanism and side-cut die including the same |
| CN104438843A (en) * | 2014-11-24 | 2015-03-25 | 常州市威玛泰精密工具有限公司 | Blanking and bending compound die |
| CN204396593U (en) * | 2014-12-13 | 2015-06-17 | 重庆天业模具冲压制造有限公司 | Elasticity discharging blanking die |
| CN204545098U (en) * | 2015-04-13 | 2015-08-12 | 无锡国盛精密模具有限公司 | Synchronous binder discharging blanking die |
| CN206838870U (en) * | 2017-06-27 | 2018-01-05 | 重庆理工大学 | Promoted and the spacing double-acting blanking die shedding mechanism of bolt based on flexible member |
Non-Patent Citations (1)
| Title |
|---|
| 陈超等: "弹簧卡片多工位级进模设计 ", 《模具工业》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413930A (en) * | 2017-06-26 | 2017-12-01 | 重庆理工大学 | Freedom from repairs formula aperture blanking die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107138602B (en) | 2019-09-27 |
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Granted publication date: 20190927 |