CN107186050A - The method of stainless steel thickness material part fine blanking hole - Google Patents
The method of stainless steel thickness material part fine blanking hole Download PDFInfo
- Publication number
- CN107186050A CN107186050A CN201710464453.3A CN201710464453A CN107186050A CN 107186050 A CN107186050 A CN 107186050A CN 201710464453 A CN201710464453 A CN 201710464453A CN 107186050 A CN107186050 A CN 107186050A
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- plate part
- thick plate
- semi
- piercing
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
-
- 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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
This case discloses a kind of method of stainless steel thick plate part fine blanking hole, including following operating procedure：Step 1：Stainless steel thick plate part is fixed, starts forcing press and carries out forming a pre-punched hole positioned at the beginning of in pre-punched hole, pre- punching to stainless steel thick plate part, passing punch is retracted；Step 2：Stainless steel thick plate part moves forward a step pitch, and driving semi-piercing drift do not washed from waste material from stainless steel thick plate part completely during semi-piercing, semi-piercing, and waste material of half punching to semi-piercing lower end is compacted, and semi-piercing drift retracts；Step 3：Stainless steel thick plate part moves forward a step pitch again, starts forcing press and carries out fine blanking hole；Step 4：Fine blanking hole drift retracts, and unloads stainless steel thick plate part, completes punching.The method that this case uses described stainless steel thick plate part fine blanking hole, solves thick material fine blanking hole reverse side and produces the problem of euphotic belt is inadequate in burr, processing hole.
Description
Technical field
The present invention relates to diel field, specifically, the method for of the invention and a kind of stainless steel thickness material part fine blanking hole.
Background technology
In field of machining, it is a common procedure, fine blanking technology and common stamping to carry out fine blanking hole to material
Process characteristic there is this qualitative difference, common stamping control the tear of plate in blanking process, and fine is then when being punched
Metal blank during suppressing the tear of plate, fine of trying every possible means is in plastic history all the time.It is right in existing technology
Thickness material fine blanking hole is generally divided into the progress of two steps, and first thick punching once, then carries out fine again first, but such a method is after processing
The burr of bore edges is more, and hole machined is of low quality, and euphotic belt can not meet requirement.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantage that at least will be described later.
It is a still further object of the present invention to provide a kind of method of stainless steel thickness material part fine blanking hole, using passing punch
First carry out pre-punched hole, semi-piercing then carried out again, fine blanking hole is finally carried out again, during semi-piercing, semi-piercing lower end it is useless
Material is compacted compacting, so that the hole reverse side impulse- free robustness that fine comes out is ensure that, and Hole Wall Roughness is small, and hole wall is covered with euphotic belt,
Solve thick material fine blanking hole reverse side and produce burr, the inadequate technical problem of euphotic belt.
In order to realize that there is provided a kind of stainless steel thickness material part fine blanking hole according to object of the present invention and further advantage
Method, including:
Step 1：Stainless steel thick plate part is fixed, starts forcing press and carries out pre-punched hole, pre- punching to stainless steel thick plate part
It is upper to form a pre-punched hole positioned at the beginning of, passing punch is retracted；
Step 2：Stainless steel thick plate part moves forward a step pitch, and driving semi-piercing drift carries out semi-piercing, semi-piercing
During waste material is not washed from from stainless steel thick plate part completely, waste material of half punching to semi-piercing lower end is compacted, semi-piercing
Drift retracts；
Step 3：Stainless steel thick plate part moves forward a step pitch again, starts forcing press and carries out fine blanking hole；
Step 4：Fine blanking hole drift retracts, and unloads stainless steel thick plate part, completes punching.
It is preferred that, in the step 2, before semi-piercing drift carries out semi-piercing, first stainless steel thick plate part is carried out
Guide-localization.
It is preferred that, guide-localization is carried out using guiding pin in the step 2, guiding pin is first into pre-punched hole, and
Stripper compressing component afterwards, semi-piercing drift carries out semi-piercing.
It is preferred that, the diameter of the diameter and the pre-punched hole of the guiding pin matches.
It is preferred that, the guiding pin length is 0.8~1 stainless steel thick plate part thickness.
It is preferred that, in the step 2, during semi-piercing, the lowest positions control of the semi-piercing drift exists
The middle and lower part of the pre-punched hole.
It is preferred that, the diameter of the semi-piercing drift is more than the passing punch diameter and less than the fine blanking hole drift
Diameter.
The beneficial effects of the invention are as follows：This case by increasing by a step semi-piercing in the middle of the step of pre-punched hole and fine blanking hole,
Waste material is not rushed to disengaging stainless steel thick plate part completely during semi-piercing, but the waste material of semi-piercing lower end is compacted, then
It is covered with euphotic belt on the hole wall that the reverse side in hole will not produce burr and process when carrying out fine blanking hole.
Brief description of the drawings
Fig. 1 is the structural representation of step 1 of the present invention；
Fig. 2 is the structural representation of step 2 of the present invention；
Fig. 3 is the structural representation of step 3 of the present invention.
Embodiment
Referring to picture, the present invention is described in further detail in conjunction with the embodiments, to make those skilled in the art join
Book word can be implemented according to this as directed.
A kind of method of stainless steel thickness material part fine blanking hole is listed in this case, has used a kind of fine punch die, mould includes
Passing punch, semi-piercing drift and fine blanking hole drift are installed, the diameter of semi-piercing drift is big on upper and lower module, upper module
In passing punch diameter and less than fine blanking hole punch diameter, by these drifts, part moves a step pitch to complete every time
One step, is finally completed fine blanking hole.
As illustrated, punching process integrally includes four steps：
Step 1, as shown in figure 1, stainless steel thickness material part 2 is placed on cavity plate and its position is fixed, pressure is started
Power machine makes module descending, and driving passing punch 1 is descending, and passing punch 1 first goes out pre-punched hole, and pre-punched hole is as just fixed
Position, upper module is up after the completion of pre-punched hole, drives that passing punch 1 is up to return back to initial position.
Step 2, as shown in Fig. 2 stainless steel thickness material part 2 is moved forward into a step pitch, upper module is descending again, driving
Semi-piercing drift 3 is descending, before semi-piercing drift 3 carries out semi-piercing, and first stainless steel thickness material part 2 is entered using guiding pin 4
Row guide-localization, the length of guiding pin 4 is 0.8~1 stainless steel thick plate part thickness, guides the diameter and pre-punched hole of pin 4
Diameter matches, and guiding pin 4 is first into pre-punched hole expects that the position of part 2 is adjusted to stainless steel thickness, is positioning
Cheng Hou, stripper compresses stainless steel thickness material part 2 simultaneously, and semi-piercing drift 3 carries out semi-piercing, during semi-piercing, and half rushes
Hole drift 3 is not fully punched through stainless steel thick plate part, and the lowest positions of semi-piercing drift 3 are controlled in pre-punched hole, and half rushes
Hole drift 3 stops in the later half pierce punch 3 in middle and lower part position for going downwards to pre-punched hole, and upper bolster driving semi-piercing drift 3 is up
Retract, now waste material 5 does not depart from from part completely, and the waste material of semi-piercing lower end is compacted, so that when carrying out fine blanking hole
The edge in hole will not produce burr.
Step 3, as shown in figure 3, stainless steel thickness material part 2 is moved forward into a step pitch again, upper bolster is descending, driving
The fine of fine blanking hole drift 6 with accurate guide-localization part is portalled.
Step 4, upper bolster is up, and control fine blanking hole drift 6 retracts, and unloads stainless steel thickness material part 2, and punching is completed.
In above-mentioned technical proposal, be sequentially provided with the upper bolster of diel passing punch 1, semi-piercing drift 3 with
And fine blanking hole drift 6.Stainless steel thickness material part 2 is fixed first, and driving passing punch 1 carries out pre-punched hole, then moving parts
To previous step pitch, driving semi-piercing drift 3 carries out semi-piercing, and waste material 5 not exclusively comes off from semi-piercing, semi-piercing lower end
Waste material is compacted, after the completion of semi-piercing, and stainless steel thickness material part is moved forward a step pitch again, fine blanking hole drift is driven
6 carry out fine blanking hole, after fine is finished, and control fine blanking hole drift 6 return back to initial position, unload stainless steel thickness material part 2, punching
Complete.
From the above mentioned, it is of the invention by increasing a semi-piercing step between pre-punched hole process and fine blanking hole process,
During semi-piercing, waste material is not exclusively come off from semi-piercing, and the waste material of semi-piercing lower end is compacted after compacting, then carries out fine
Kong Shi, processing bore edges will not produce burr, and the hole roughness that the method applied in the present invention is processed is low, and can be covered with light
Bright band.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details.
Claims (7)
1. a kind of method of stainless steel thick plate part fine blanking hole, it is characterised in that comprise the following steps：
Step 1：Stainless steel thick plate part is fixed, starts forcing press and carries out pre-punched hole, pre- punching to shape on stainless steel thick plate part
Into a pre-punched hole positioned at the beginning of, passing punch is retracted；
Step 2：Stainless steel thick plate part moves forward a step pitch, and driving semi-piercing drift carries out semi-piercing, semi-piercing process
In waste material is not washed from from stainless steel thick plate part completely, waste material of half punching to semi-piercing lower end is compacted, semi-piercing drift
Retract；
Step 3：Stainless steel thick plate part moves forward a step pitch again, starts forcing press and carries out fine blanking hole；
Step 4：Fine blanking hole drift retracts, and unloads stainless steel thick plate part, completes punching.
2. the method for stainless steel thick plate part fine blanking hole as claimed in claim 1, it is characterised in that in the step 2, half
Pierce punch is carried out before semi-piercing, first carries out guide-localization to stainless steel thick plate part.
3. the method for stainless steel thick plate part fine blanking hole as claimed in claim 2, it is characterised in that used in the step 2
Pin is guided to carry out guide-localization, guiding pin is first into pre-punched hole, then stripper compressing component, semi-piercing drift is carried out
Semi-piercing.
4. the method for stainless steel thick plate part fine blanking hole as claimed in claim 3, it is characterised in that the diameter of the guiding pin
Match with the diameter of the pre-punched hole.
5. the method for stainless steel thick plate part fine blanking hole as claimed in claim 4, it is characterised in that the guiding pin length is
0.8~1 stainless steel thick plate part thickness.
6. the method for stainless steel thick plate part fine blanking hole as claimed in claim 3, it is characterised in that in the step 2, half
During punching, the lowest positions of the semi-piercing drift are controlled in the middle and lower part of the pre-punched hole.
7. the method for stainless steel thick plate part fine blanking hole as claimed in claim 6, it is characterised in that the semi-piercing drift
Diameter is more than the passing punch diameter and less than the fine blanking hole punch diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464453.3A CN107186050B (en) | 2017-06-19 | 2017-06-19 | The method of stainless steel thickness material part fine blanking hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710464453.3A CN107186050B (en) | 2017-06-19 | 2017-06-19 | The method of stainless steel thickness material part fine blanking hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107186050A true CN107186050A (en) | 2017-09-22 |
| CN107186050B CN107186050B (en) | 2019-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710464453.3A Active CN107186050B (en) | 2017-06-19 | 2017-06-19 | The method of stainless steel thickness material part fine blanking hole |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675954A (en) * | 2018-12-17 | 2019-04-26 | 天津津荣天宇精密机械股份有限公司 | A kind of moulding process of thick material high-strength steel sheet punching euphotic belt |
| CN110640015A (en) * | 2019-11-15 | 2020-01-03 | 常州洛合精密机械有限公司 | Progressive die fine blanking method |
| CN113714381A (en) * | 2021-07-27 | 2021-11-30 | 上海赛科利汽车模具技术应用有限公司 | Punching method for deburring steel shell |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1733167A1 (en) * | 1990-01-29 | 1992-05-15 | Хабаровский филиал Центрального научно-исследовательского института технологии судостроения | Progressive die set |
| CN1546295A (en) * | 2003-12-01 | 2004-11-17 | 中国重型汽车集团有限公司 | Process for fabricating blind holes |
| CN201179541Y (en) * | 2008-04-29 | 2009-01-14 | 天津理工大学 | Stage-mould feeding precision positioning apparatus employing guide hole two-stage eyelet work |
| CN202316751U (en) * | 2011-11-23 | 2012-07-11 | 中国重汽集团济南动力有限公司 | Fine blanking mould for thick plate |
| CN202861110U (en) * | 2012-09-07 | 2013-04-10 | 苏州铭峰精密机械有限公司 | High-precise blanking stamping structure |
| CN204159719U (en) * | 2014-07-26 | 2015-02-18 | 保定苏博汽车零件制造有限公司 | A kind of half cut-off-die |
| CN204603057U (en) * | 2015-05-08 | 2015-09-02 | 苏州先科精密机械有限公司 | A kind of continuous mould improving disconnected tangent plane and flatness |
-
2017
- 2017-06-19 CN CN201710464453.3A patent/CN107186050B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1733167A1 (en) * | 1990-01-29 | 1992-05-15 | Хабаровский филиал Центрального научно-исследовательского института технологии судостроения | Progressive die set |
| CN1546295A (en) * | 2003-12-01 | 2004-11-17 | 中国重型汽车集团有限公司 | Process for fabricating blind holes |
| CN201179541Y (en) * | 2008-04-29 | 2009-01-14 | 天津理工大学 | Stage-mould feeding precision positioning apparatus employing guide hole two-stage eyelet work |
| CN202316751U (en) * | 2011-11-23 | 2012-07-11 | 中国重汽集团济南动力有限公司 | Fine blanking mould for thick plate |
| CN202861110U (en) * | 2012-09-07 | 2013-04-10 | 苏州铭峰精密机械有限公司 | High-precise blanking stamping structure |
| CN204159719U (en) * | 2014-07-26 | 2015-02-18 | 保定苏博汽车零件制造有限公司 | A kind of half cut-off-die |
| CN204603057U (en) * | 2015-05-08 | 2015-09-02 | 苏州先科精密机械有限公司 | A kind of continuous mould improving disconnected tangent plane and flatness |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109675954A (en) * | 2018-12-17 | 2019-04-26 | 天津津荣天宇精密机械股份有限公司 | A kind of moulding process of thick material high-strength steel sheet punching euphotic belt |
| CN110640015A (en) * | 2019-11-15 | 2020-01-03 | 常州洛合精密机械有限公司 | Progressive die fine blanking method |
| CN113714381A (en) * | 2021-07-27 | 2021-11-30 | 上海赛科利汽车模具技术应用有限公司 | Punching method for deburring steel shell |
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| Publication number | Publication date |
|---|---|
| CN107186050B (en) | 2019-06-11 |
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