CN106424296A - Hardware strip double-surface no-burr blanking process and no-burr blanking mold - Google Patents
Hardware strip double-surface no-burr blanking process and no-burr blanking mold Download PDFInfo
- Publication number
- CN106424296A CN106424296A CN201611080371.0A CN201611080371A CN106424296A CN 106424296 A CN106424296 A CN 106424296A CN 201611080371 A CN201611080371 A CN 201611080371A CN 106424296 A CN106424296 A CN 106424296A
- Authority
- CN
- China
- Prior art keywords
- strip
- blanking
- punching
- impulse
- die
- 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
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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- 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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
-
- 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
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention aims to provide a hardware strip double-surface no-burr blanking process and a no-burr blanking mold. The precutting blanking with the blanking depth not larger than one half of the thickness of a hardware strip is performed for the hardware strip; then, the blanked material is ejected back to the strip, so that plastically deformed R round angles are respectively formed on two side surface edges of the blanked material and the strip, and the root parts of the R round angles on two side surfaces generate incomplete rupture separation caused by metal fatigue and stretching composite effect; the rupture separation caused by blanking stretching is broken through on principle; the generation of burrs is prevented from the metal material forming principle; then, the blanked material is ejected out from the strip; at this time, the metal strip and the blanked material are totally separated based on incomplete separation; and no burrs are generated in the step.
Description
Technical field
The present invention relates to metal stamping die technical field is and in particular to a kind of two-sided impulse- free robustness punching process of five metals strip
And impulse- free robustness blanking die.
Background technology
In hardware products punching process, five metals strip, under the effect of punch-die shearing, becomes from elastic deformation to plasticity
Shape arrives fracture separation again.Due to the presence of clearance between punch and die, when material is pulled off, exceed the burr of sheet thickness in detaching direction
Part is commonly known as burr or batch cutting edge of a knife or a sword.
This burr or burr, easily scratch operator in hardware products produce, and are easy to come off after hardware products assembling
Thus it is bad to lead to circuit board short-circuit, dirty etc..
For this problem, prior art way have two kinds：
（1）What five metals strip was first carried out with punching depth no more than material thickness prejudges punching, then, is prejudging next work of punching
Step, is punched completely along the vestige prejudging punching, is realized blanking；This kind of mode can reduce the generation of burr, but can not
Thoroughly eliminate burr.
（2）The Chinese invention patent application of Patent No. CN201310005405.X, discloses a kind of impulse- free robustness processing mould
Tool, including upper die and lower die, upper cover plate that described upper mould includes from top to bottom setting gradually, upper bolster, upper padding plate, train wheel bridge,
Baffle plate and stripper plate, described lower mould includes die shoe, lower bolster and the lower template setting gradually from the bottom to top, and described lower mould sets
It is equipped with blanking mechanism and waste port, described upper mould is provided with the feeding pressure mechanism of corresponding described blanking mechanism and corresponding described waste port
Drift two.
The impulse- free robustness processing mold that second technical scheme provides is with the difference of common die, mould first time punching press
Drift be arranged on lower template, waste material is jack-up from the bottom up, then is ejected waste material from top to bottom by two times punch；This kind of skill
Art scheme, is substantially that waste material is carried out with once thoroughly punching press, then waste material is connected in strip, interference fit is fixed；Have
Following problem：（1）During strip is transported, waste material easily comes off and leads to the press mold that gets stuck；（2）Due to being substantially once thoroughly to rush
Pressure, burr cannot remove completely, fails to be really achieved the technique effect of impulse- free robustness punching.
Content of the invention
The present invention is intended to provide a kind of two-sided impulse- free robustness punching process of five metals strip and impulse- free robustness blanking die, with
Solve the problems, such as that existing hardware products have burr.
Concrete scheme is as follows：A kind of two-sided impulse- free robustness punching process of five metals strip is it is characterised in that comprise the steps：
S1：Strip is carried out prejudging punching, the punching depth that this prejudges punching is not more than the half of this strip thickness, to be formed not
Completely disengage from the blanking of this strip；
S2：This blanking is headed into this strip with the direction prejudging punching in reverse step S1, so that this blanking is connected in this strip
On；
S3：The blanking of step S2 is ejected by this strip, and then two-sided carrot-free blanking is obtained.
Further, in step S1, prejudge in blanking process at this, this blanking is conflicted by elasticity all the time and supported.
Further, in step S1, the punching depth that this prejudges punching is the 10%-15% of this strip thickness.
Further, in step S2, this blanking heads in this strip completely, so that two-sided and this strip of this blanking is double
Face is coplanar respectively.
Further, in step S3, this strip is ejected by strip with the direction prejudging punching.
1. simultaneously, the invention also discloses a kind of impulse- free robustness realizing the two-sided impulse- free robustness punching process of above-mentioned five metals strip rushes
Cut out mould, for five metals strip punching, including upper mould and lower mould, on this, mould includes cope match-plate pattern, stripper plate, and this lower mould includes
There are die shoe and lower template；It is characterized in that：Also include prejudging device, this prejudge device include being installed on pre- on cope match-plate pattern
Disconnected punch, it is adapted to this and prejudges punch and be installed on and prejudge die in this lower template；Under upper and lower mould matched moulds state, this prejudges punch
Protrude out stripper plate length be not more than strip thickness half, with carry out be punched depth be not more than strip thickness half prejudge punching
Cut out；This prejudges the jacking block being provided with an activity in die, is provided with an elastic component contacting at this jacking block, this elastic component in this die shoe
Act on this jacking block, head into strip by prejudging the blanking after punching.
Further, under upper and lower mould matched moulds state, this is prejudged punch and protrudes out the 10%- that stripper plate length is strip thickness
15%, so that this prejudges punch is punched the 10%-15% that depth is strip thickness.
Further, also include prejudging device along this spaced liftout attachment in strip feed direction, this ejection with this
Device includes being installed on the ejection punch on cope match-plate pattern and is adapted to this ejection punch and is installed on the ejection die in this lower template.
Further, this elastic component is spring, and this spring contacts at this jacking block so that the upper end of this jacking block with this prejudge recessed
The edge of a knife of mould is coplanar.
The five metals strip two-sided impulse- free robustness punching process of the present invention and impulse- free robustness blanking die, by entering five metals strip
Row punching depth be not more than strip thickness half prejudge punching（The punching depth that this prejudges punching is adjusted according to material self-characteristic
Whole, wherein it is preferred that the punching depth that this prejudges punching is the 10%-15% of this strip thickness）, then by blanking fight back strip,
Achieve blanking and strip two sides edge all produces the R fillet of plastic deformation, and so that two sides R fillet root is produced by gold
Belong to fatigue and the incomplete fracture separation stretching what compound action led to, the fracture separation leading to punching stretching has principle
On breakthrough, the generation of burr is avoided from the principle of metal material moulding；Then, blanking is ejected by strip, now
Metal belting and blanking produce on the basis of the first step is not completely separated from and are kept completely separate, and also impulse- free robustness produces this step.
The five metals strip two-sided impulse- free robustness punching process of the present invention is it is achieved that the two-sided carrot-free technology of hardware products is imitated
Really, processing step is simple, can be punched realization by full automation；Realize the impulse- free robustness blanking die of this processing step, mould structure
Simply, cheap for manufacturing cost；Prejudge in punching, blanking not exclusively departs from five metals strip it is thus also avoided that the press mold that leads to such as vibrations
Deng production problem.
Brief description
Fig. 1 shows the embodiment of the present invention two impulse- free robustness blanking die structural representation；
Fig. 2 shows that Fig. 1 prejudges device and prejudges blanking structure schematic diagram；
Fig. 3 shows Fig. 2 partial enlarged drawing；
Fig. 4 shows that Fig. 1 prejudges device and blanking is headed into material-strap structure schematic diagram；
Fig. 5 shows liftout attachment structural representation.
Specific embodiment
For further illustrating each embodiment, the present invention is provided with accompanying drawing.These accompanying drawings are the invention discloses one of content
Point, it is mainly in order to illustrate embodiment, and can coordinate the associated description of the description operation principles to explain embodiment.Cooperation ginseng
Examine these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantages of the present invention.In figure
Assembly be not necessarily to scale, and similar element numbers are conventionally used to indicate similar assembly.
In conjunction with the drawings and specific embodiments, the present invention is further described.
Embodiment one
This embodiment disclose a kind of two-sided impulse- free robustness punching process of five metals strip, comprise the steps：
Step S1, prejudges punching
Five metals strip is loaded diel, along vertically downward direction, prejudging drift and prejudging die general by hardware dies
Strip carries out prejudging punching, and the punching depth that this prejudges punching is not more than the half of this strip thickness it is preferred that this prejudges punching
Punching depth be this strip thickness 10%-15%, to form the incomplete blanking departing from this strip.
And for ensureing the planarization of blanking, this is prejudged die and just sets resilient top to prejudging also to be adapted in the membrane cavity of drift
Block, to conflict in the bottom surface of five metals strip, to prejudge in blanking process at this, this blanking is conflicted by elasticity all the time and is supported.
Step S2, roof fall material
After the completion of step S1, this diel molds, and makes to prejudge drift, and meanwhile, the jacking block of elasticity is under elastic force effect
Follow this and prejudge drift, and this blanking is headed into this strip with the direction prejudging punching in reverse step S1, and jacking block is put down
Qi Yu stops after prejudging die, so that this blanking is headed in this strip completely, and the two-sided of two-sided and this strip of this blanking is total to respectively
Face；Blanking is connected in this strip.
S3, ejection
Five metals strip is delivered to next work step by this diel, again matched moulds, and to eject punch, ejection die is punched this again and falls
Material, the blanking of step S2 is ejected by this strip, and then two-sided carrot-free blanking is obtained.In this step, eject punch
It is fixed on mould, so that this strip is ejected by strip with the direction prejudging punching.
Inventor probes into through many experiments and combines the analysis of burr generative theory：
According to above-mentioned processing step, it is more than strip thickness 50% it may appear that blanking can be by complete in strip when prejudging punching punching depth
Total detachment phenomenon, causes compression mould, simultaneously：
| Punching depth | 10% | 12.5% | 15% |
| Copper material strip | Two-sided impulse- free robustness | Two-sided impulse- free robustness, and two-sided fillet is smooth | Two-sided impulse- free robustness |
| Rustless steel strip | Two-sided impulse- free robustness | Two-sided impulse- free robustness, and two-sided fillet is smooth | Two-sided impulse- free robustness |
I.e. by by five metals strip carry out be punched depth be not more than strip thickness half prejudge punching, this prejudges the punching of punching
Depth adjusts according to material self-characteristic, wherein it is preferred that the punching depth that this prejudges punching is the 10%- of this strip thickness
15%, then by blanking fight back strip it is achieved that blanking and strip two sides edge all produce the R fillet of plastic deformation, and make
The incomplete fracture separation that two sides R fillet root produces by metal fatigue and stretches what compound action led to, is drawn with punching
Stretch the breakthrough that the fracture separation leading to has in principle, the generation of burr is avoided from the principle of metal material moulding；Then,
Blanking is ejected by strip, now metal belting and blanking produce on the basis of the first step is not completely separated from and be kept completely separate,
Also impulse- free robustness produces this step.
Embodiment two
In conjunction with Fig. 1, this embodiment disclose a kind of no hair realizing the power two-sided impulse- free robustness punching process of embodiment First Five-Year Plan gold ribbon material
Thorn blanking die, including upper mould and lower mould, on this, mould includes cope match-plate pattern 40 and stripper plate 30, and this lower mould includes lower mould
Seat 10 and lower template 20；In this impulse- free robustness blanking die, along the feed direction of five metals strip 3, it is disposed with and prejudges device
And liftout attachment.
In conjunction with Fig. 1 to Fig. 3, this is prejudged device and includes being installed on prejudging punch 1, being adapted to this and prejudge punch on cope match-plate pattern 40
1 is installed on and prejudges die 2 in this lower template 20, and this is prejudged and is provided with a jacking block 4 that can slide up and down activity in die 2, under this
It is provided with an elastic component 5 contacting at this jacking block 4 in die holder 10.
This is prejudged punch 1, prejudges die 2 and be correspondingly arranged along along matched moulds direction, and this prejudges punch 1 and 2 phases of prejudging die
Side is cooperatively formed with a punching edge of a knife；And under upper and lower mould matched moulds state, this is prejudged punch 1 and protrudes out this stripper plate 30, and
This protruding length is the 10%-15% of the material thickness of strip 3, and then can achieve that this is prejudged punch and is punched depth for strip 3 thickness
10%-15%.
This elastic component 5 is spring, and this spring contacts at this jacking block 4 by structures such as thimbles, the external shape fits of this jacking block 4 in
Prejudge the edge of a knife profile of die 2, and under the elastic force of this spring acts on, the edge of a knife that die 2 is prejudged with this in the upper end of this jacking block 4 is altogether
Face.
In conjunction with Fig. 5, this liftout attachment includes the ejection punch 7 being installed on cope match-plate pattern 40 and is adapted to this ejection punch
7 are installed on the ejection die 8 in this lower template 20, and the blanking 6 through prejudging punching is thoroughly punched in this liftout attachment, with reality
Existing blanking.
In conjunction with Fig. 2 to Fig. 5, the impulse- free robustness blanking die operation principle of this embodiment is as follows：
（1）First time matched moulds：Strip 3 is fixed by lower template 20 and stripper plate 30, and part adopts blanking form, under upper mould
Row order section and common punching press do not have any difference, prejudge punch 1 punching press strip 3, to produce blanking 6, the producing below of blanking 6
Normal first blanking fillet R1, after complete matched moulds, punching depth reaches the 10%-15% of material thickness.
（2）Mold for the first time：Upper mould is up, and prejudging the up same mould jacking block 4 at present of punch 1 will in the presence of elastic component 5
Blanking 6 jack-up upwards sweeping away, then part heads into material strip in jack-up, reserved part is formed on part top under a stretching force
Second blanking fillet R2, now blanking 6 peripheral edge portion be connected in strip 3, until prejudge punch 1 depart from blanking 6, now jacking block
4 is concordant with prejudging die 2 edge of a knife, and the two sides of blanking 6 are coplanar with strip 3 two sides respectively.
（3）Material strip 3 is conveyed a work step by feeder, and blanking 6 follows material strip to enter next work step, and ejection punch 7 coordinates
Blanking 6 is ejected from material strip 3 by ejection die, ensures that part and material strip will not deform simultaneously.According to said method produce
There is natural fillet part top and bottom without producing burr.
Although specifically show and describe the present invention in conjunction with preferred embodiment, those skilled in the art should be bright
In vain, in the spirit and scope of the present invention being limited without departing from appended claims, in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (9)
1. a kind of two-sided impulse- free robustness punching process of five metals strip is it is characterised in that comprise the steps：
S1：Strip is carried out prejudging punching, the punching depth that this prejudges punching is not more than the half of this strip thickness, to be formed not
Completely disengage from the blanking of this strip；
S2：This blanking is headed into this strip with the direction prejudging punching in reverse step S1, so that this blanking is connected in this strip
On；
S3：The blanking of step S2 is ejected by this strip, and then two-sided carrot-free blanking is obtained.
2. the two-sided impulse- free robustness punching process of five metals strip according to claim 1 it is characterised in that：In step S1, at this
Prejudge in blanking process, this blanking is conflicted by elasticity all the time and supported.
3. the two-sided impulse- free robustness punching process of five metals strip according to claim 1 it is characterised in that：In step S1, this is pre-
The punching depth of disconnected punching is the 10%-15% of this strip thickness.
4. the two-sided impulse- free robustness punching process of five metals strip according to claim 1 it is characterised in that：In step S2, this falls
Material heads in this strip, completely so that the two-sided difference of two-sided and this strip of this blanking is coplanar.
5. the two-sided impulse- free robustness punching process of five metals strip according to claim 1 it is characterised in that：In step S3, this band
Material is ejected by strip with the direction prejudging punching.
6. a kind of impulse- free robustness blanking die realizing the two-sided impulse- free robustness punching process of the arbitrary described five metals strip of claim 1-5,
For five metals strip punching, including upper mould and lower mould, on this, mould includes cope match-plate pattern, stripper plate, and this lower mould includes lower mould
Seat and lower template；It is characterized in that：Also include prejudging device, this prejudge device include being installed on cope match-plate pattern prejudge convex
Mould, it is adapted to this and prejudges punch and be installed on and prejudge die in this lower template；Under upper and lower mould matched moulds state, this is prejudged punch and protrudes out
Go out stripper plate length be not more than strip thickness half, with carry out be punched depth be not more than strip thickness half prejudge punching；
This prejudges the jacking block being provided with an activity in die, is provided with an elastic component contacting at this jacking block in this die shoe, and this elastic component is made
For this jacking block, head into strip by prejudging the blanking after punching.
7. impulse- free robustness blanking die according to claim 6 it is characterised in that：Under upper and lower mould matched moulds state, this prejudges convex
Mould protrudes out the 10%-15% that stripper plate length is strip thickness, so that this prejudges punch is punched the 10%- that depth is strip thickness
15% .
8. impulse- free robustness blanking die according to claim 6 it is characterised in that：Also include prejudging device along this strip with this
The spaced liftout attachment of feed direction, this liftout attachment includes the ejection punch being installed on cope match-plate pattern and is adapted to this top
Go out punch and be installed on the ejection die in this lower template.
9. impulse- free robustness blanking die according to claim 6 it is characterised in that：This elastic component is spring, and this spring is conflicted
In this jacking block, so that the upper end of this jacking block is coplanar with the edge of a knife that this prejudges die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611080371.0A CN106424296B (en) | 2016-11-30 | 2016-11-30 | A kind of two-sided impulse- free robustness punching process of hardware strip and impulse- free robustness blanking die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611080371.0A CN106424296B (en) | 2016-11-30 | 2016-11-30 | A kind of two-sided impulse- free robustness punching process of hardware strip and impulse- free robustness blanking die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106424296A true CN106424296A (en) | 2017-02-22 |
| CN106424296B CN106424296B (en) | 2019-02-01 |
Family
ID=58222830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611080371.0A Active CN106424296B (en) | 2016-11-30 | 2016-11-30 | A kind of two-sided impulse- free robustness punching process of hardware strip and impulse- free robustness blanking die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424296B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077271A (en) * | 2016-07-20 | 2016-11-09 | 成都瑞垚电子有限公司 | A kind of Sheet Metal Forming Technology of the adapter processing hard stainless steel |
| CN110743961A (en) * | 2019-11-01 | 2020-02-04 | 苏州捷尔力实业有限公司 | Punching die and machining process of motor support |
| CN111451360A (en) * | 2020-04-07 | 2020-07-28 | 汤强兵 | Gasket stamping die |
| CN112845802A (en) * | 2021-03-05 | 2021-05-28 | 合兴汽车电子股份有限公司 | Blanking assembly, blanking die and blanking process |
| 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 |
| CN114074146A (en) * | 2021-11-19 | 2022-02-22 | 青岛征和工业股份有限公司 | Novel double-discharging-plate structure progressive stamping die |
| CN114505432A (en) * | 2022-02-24 | 2022-05-17 | 漳州锐腾电器有限公司 | Pier extrusion die capable of changing cross section width of stamping part and pier extrusion finish cutting process |
| CN116603916A (en) * | 2023-05-30 | 2023-08-18 | 东莞太阳茂森精密金属有限公司 | Die and process for solving burrs at continuous die connecting position |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030095647A (en) * | 2002-06-12 | 2003-12-24 | 현대자동차주식회사 | press piercing method |
| CN101259509A (en) * | 2008-04-23 | 2008-09-10 | 武汉理工大学 | Forming technique for sheet metal stamping cold forging and fine blanking composite boss part |
| KR20110077557A (en) * | 2009-12-30 | 2011-07-07 | (주) 태진금속 | Press tool for manufacturing an reinforcement plate, the reinforcement plate and an oil filter |
| CN204294722U (en) * | 2014-12-08 | 2015-04-29 | 厦门奕铨精密五金有限公司 | A kind of material strip punching and shearing die |
| CN106140941A (en) * | 2015-03-26 | 2016-11-23 | 东风锻造有限公司 | A kind of gear former hole precision hot piercing mould |
| CN206215737U (en) * | 2016-11-30 | 2017-06-06 | 漳州锐腾电器有限公司 | A kind of impulse- free robustness blanking die |
-
2016
- 2016-11-30 CN CN201611080371.0A patent/CN106424296B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030095647A (en) * | 2002-06-12 | 2003-12-24 | 현대자동차주식회사 | press piercing method |
| CN101259509A (en) * | 2008-04-23 | 2008-09-10 | 武汉理工大学 | Forming technique for sheet metal stamping cold forging and fine blanking composite boss part |
| KR20110077557A (en) * | 2009-12-30 | 2011-07-07 | (주) 태진금속 | Press tool for manufacturing an reinforcement plate, the reinforcement plate and an oil filter |
| CN204294722U (en) * | 2014-12-08 | 2015-04-29 | 厦门奕铨精密五金有限公司 | A kind of material strip punching and shearing die |
| CN106140941A (en) * | 2015-03-26 | 2016-11-23 | 东风锻造有限公司 | A kind of gear former hole precision hot piercing mould |
| CN206215737U (en) * | 2016-11-30 | 2017-06-06 | 漳州锐腾电器有限公司 | A kind of impulse- free robustness blanking die |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077271A (en) * | 2016-07-20 | 2016-11-09 | 成都瑞垚电子有限公司 | A kind of Sheet Metal Forming Technology of the adapter processing hard stainless steel |
| CN110743961A (en) * | 2019-11-01 | 2020-02-04 | 苏州捷尔力实业有限公司 | Punching die and machining process of motor support |
| CN111451360A (en) * | 2020-04-07 | 2020-07-28 | 汤强兵 | Gasket stamping die |
| CN112845802A (en) * | 2021-03-05 | 2021-05-28 | 合兴汽车电子股份有限公司 | Blanking assembly, blanking die and blanking process |
| 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 |
| CN114074146A (en) * | 2021-11-19 | 2022-02-22 | 青岛征和工业股份有限公司 | Novel double-discharging-plate structure progressive stamping die |
| CN114505432A (en) * | 2022-02-24 | 2022-05-17 | 漳州锐腾电器有限公司 | Pier extrusion die capable of changing cross section width of stamping part and pier extrusion finish cutting process |
| CN114505432B (en) * | 2022-02-24 | 2024-05-14 | 漳州锐腾电器有限公司 | Pier extrusion die capable of changing section width of stamping part and pier extrusion precision cutting process |
| CN116603916A (en) * | 2023-05-30 | 2023-08-18 | 东莞太阳茂森精密金属有限公司 | Die and process for solving burrs at continuous die connecting position |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106424296B (en) | 2019-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106424296A (en) | Hardware strip double-surface no-burr blanking process and no-burr blanking mold | |
| CN203459551U (en) | Multi-process composite drawing die | |
| CN206882509U (en) | A kind of diel of piece terminal | |
| CN112122450B (en) | Method for forming convex hull at flanging position of metal stamping part and special stamping die set | |
| CN101722237A (en) | Automotive wiring harness die | |
| CN206215737U (en) | A kind of impulse- free robustness blanking die | |
| CN102019319A (en) | Mold structure of L-shaped connecting sheet for cable bridge | |
| CN108555130B (en) | Steel sheet punching and deburring machining process | |
| CN206578196U (en) | Punching stretch interchanged type mould | |
| CN106345877A (en) | Sheet metal part convex hull making process and special mold | |
| CN206567388U (en) | Punching removes the mould of flash removed simultaneously | |
| CN104128439A (en) | Continuous production process for bending blanks | |
| CN211052282U (en) | Convex hull bending die | |
| CN204602967U (en) | A kind of die cutting die | |
| CN207629021U (en) | A kind of bottom frame fixinig plate diel | |
| CN217369964U (en) | Stamping die capable of reducing burr generation | |
| CN205833955U (en) | A kind of mould for car rear cover hinge reinforcing plate part | |
| CN219616517U (en) | Mould for convex hull punching | |
| CN211727201U (en) | Compressor upper cover stamping die | |
| CN204724675U (en) | One-mold multiple-member blanking die | |
| CN109013832A (en) | A kind of auto parts blanking die being decorated structure | |
| CN204545140U (en) | A kind of composite punching die for electric limit pad and limit case pad | |
| CN210586711U (en) | Multi-bending one-step forming stamping die | |
| CN214078740U (en) | Stainless steel thick material precision stamping die | |
| CN216779982U (en) | Punching device with floating block structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |