CN113441625A - Development of control arm hole flanging die - Google Patents
Development of control arm hole flanging die Download PDFInfo
- Publication number
- CN113441625A CN113441625A CN202110659426.8A CN202110659426A CN113441625A CN 113441625 A CN113441625 A CN 113441625A CN 202110659426 A CN202110659426 A CN 202110659426A CN 113441625 A CN113441625 A CN 113441625A
- Authority
- CN
- China
- Prior art keywords
- die
- control arm
- hole
- hole flanging
- chamfering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
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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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
- B21D19/088—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for flanging holes
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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
- B21D37/20—Making tools by operations not covered by a single other subclass
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses development of a control arm hole flanging die, which relates to the field of hole flanging of thick plate stamping parts of automobile chassis and comprises the following steps: determining the aperture size of a hole A before hole flanging of the control arm part according to the size of the hole A needing hole flanging of the control arm part; designing a punch according to the aperture size of a hole A before hole flanging; integrally designing a mold structure as subsequent mold opening data; the invention relates to a hole A chamfering device for a control arm part, which is characterized in that a specific punch is arranged, a chamfering female die and a chamfering male die are matched for use, so that double-sided chamfering is carried out on a hole A on the control arm part before hole flanging, and the technical problems that hole flanging is cracked due to the fact that hole flanging height of the hole A on the control arm is 15.5mm, batch hole flanging is cracked during hole flanging, the rejection rate of parts is high, and a fracture zone and microcracks are generated on the outer edge of a punched plate, so that hole flanging is cracked in the prior art are solved.
Description
Technical Field
The invention relates to the field of hole flanging of thick plate stamping parts of automobile chassis, in particular to development of a hole flanging die for a control arm.
Background
The control arm (as shown in fig. 9) belongs to a thick plate stamping part for an automobile chassis, holes in the control arm need to be turned, the hole turning height is 15.5mm, in the prior art, the holes are directly turned after punching, batch hole turning cracking is caused, the rejection rate of parts is high (limited by a punching process, a fracture zone and microcracks are generated on the outer edge of a plate after punching, and particularly, the hole turning height needs to reach 15.5mm, so that the holes are directly cracked), and therefore, the problem needs to be solved by the development of a hole turning die for the control arm.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the development of the control arm hole flanging die comprises the following steps:
step one, determining the aperture size of a hole A before hole flanging of a control arm part aiming at the size of the hole A needing hole flanging of the control arm part;
designing a punch according to the aperture size of the hole A before hole flanging;
step three, integrally designing a mould structure as subsequent mould opening data;
and step four, processing and assembling the die, debugging the die, and optimizing the size until debugging is completed to achieve a batch production state.
Preferably, the aperture size of the hole A before hole flanging of the control arm part is 40.5 mm.
Preferably, the die comprises an upper die holder, a lower die holder, and a guide assembly and a punch head which are arranged between the upper die holder and the lower die holder, and the die is arranged on a workshop machine table.
Preferably, the guide assembly comprises a guide sleeve arranged below the upper die holder, a guide pillar is sleeved in the guide sleeve, and the guide pillar is arranged on the lower die holder.
Preferably, the punch comprises a chamfering female die arranged below the upper die base and a chamfering male die arranged on the lower die base, the chamfering female die is matched with the chamfering male die to use the hole A on the control arm part for double-sided chamfering, and a polyurethane pressure ring is sleeved outside the chamfering male die.
Preferably, the height of the chamfering concave die is 129.5mm, the outer diameter of the chamfering concave die is 67mm, and the inner diameter of the chamfering concave die is 45 mm.
Preferably, the chamfering punch has a height of 125mm, a tip diameter of 36mm, an outer diameter of 45mm and a tip chamfer of 107 °.
The invention has the beneficial effects that: according to the invention, the specific punch is arranged, the chamfering female die and the chamfering male die are matched for use, so that the hole A on the control arm part is subjected to double-sided chamfering before hole flanging, one side is chamfered firstly, then the part is turned over to the other side of the chamfer, the diameter of the hole A before chamfering is 40.5mm, the maximum place of the hole A after chamfering is 41.3mm, punching burrs are effectively removed through the arranged double-sided chamfering, and the hole flanging is performed on the control arm part after chamfering, so that the hole flanging quality of the control arm part meets the requirements, the rejection rate of the control arm part is greatly reduced, and the production efficiency of stamping parts and the quality of the stamping parts are improved. The technical problems that in the prior art, the hole flanging height of the hole A on the control arm is 15.5mm, batch hole flanging cracking is caused during hole flanging, the rejection rate of parts is high, and the hole flanging cracking is caused due to the fact that a fracture zone and microcracks are generated on the outer edge of a punched plate are solved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural view of the upper die holder in fig. 1.
FIG. 4 is a schematic structural view of the lower die holder in FIG. 1.
Fig. 5 is a schematic structural view of the punch in fig. 1.
Fig. 6 is a dimensional view of the chamfering punch of fig. 5.
Fig. 7 is a dimensional schematic view of the chamfer die of fig. 5.
FIG. 8 is a schematic view of the connection of the control arm part to the chamfering punch.
Fig. 9 is a schematic structural view of a control arm part.
The method comprises the following steps of 1-punching head, 2-die, 3-upper die holder, 4-lower die holder, 5-guide component, 6-guide sleeve, 7-guide pillar, 8-chamfering female die, 9-chamfering male die and 10-polyurethane material pressing ring.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 9, a development of a control arm hole flanging die comprises the following steps:
step one, determining the aperture size of a hole A before hole flanging of a control arm part aiming at the size of the hole A needing hole flanging of the control arm part;
step two, designing the punch 1 according to the aperture size of the hole A before hole flanging;
step three, integrally designing the structure of the mold 2 as subsequent mold opening data;
and step four, processing and assembling the die 2, debugging the die 2, and optimizing the size until debugging is completed to achieve a batch production state.
The aperture size of a hole A before hole flanging of the control arm part is 40.5 mm.
The die 2 comprises an upper die holder 3, a lower die holder 4, a guide assembly 5 and a punch 1, wherein the guide assembly and the punch are arranged between the upper die holder 3 and the lower die holder 4, and the die 2 is arranged on a workshop machine table.
The guide assembly 5 comprises a guide sleeve 6 arranged below the upper die holder 3, a guide pillar 7 is sleeved in the guide sleeve 6, and the guide pillar 7 is arranged on the lower die holder 4.
The punch 1 comprises a chamfering female die 8 arranged below the upper die base 3 and a chamfering male die 9 arranged on the lower die base 4, the chamfering female die 8 is matched with the chamfering male die 9 to use a hole A on a control arm part to perform double-sided chamfering, the chamfering is performed on one side, the part is turned over to chamfer the other side, and a polyurethane material pressing ring 10 is sleeved outside the chamfering male die 9.
The height of the chamfering female die 8 is 129.5mm, the outer diameter is 67mm, and the inner diameter is 45 mm.
The height of the chamfering male die 9 is 125mm, the diameter of the top end of the chamfering male die is 36mm, the outer diameter of the chamfering male die is 45mm, and the chamfering angle of the top end is 107 degrees.
According to the invention, the specific punch 1 is arranged, the chamfering female die 8 is matched with the chamfering male die 9 for use, so that the hole A on the control arm part is subjected to double-sided chamfering before hole flanging, one side is chamfered firstly, then the part is turned over to the other side of the chamfer, the diameter of the hole A before chamfering is 40.5mm, the maximum place of the hole A after chamfering is 41.3mm, punching burrs are effectively removed through the arranged double-sided chamfering, the hole flanging is performed on the control arm part after chamfering, the hole flanging quality of the control arm part meets the requirement, the rejection rate of the control arm part is greatly reduced, and the production efficiency of the stamping part and the quality of the stamping part are improved. The technical problems that in the prior art, the hole flanging height of the hole A on the control arm is 15.5mm, batch hole flanging cracking is caused during hole flanging, the rejection rate of parts is high, and the hole flanging cracking is caused due to the fact that a fracture zone and microcracks are generated on the outer edge of a punched plate are solved.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (7)
1. The development of the control arm hole flanging die is characterized by comprising the following steps of:
step one, determining the aperture size of a hole A before hole flanging of a control arm part aiming at the size of the hole A needing hole flanging of the control arm part;
step two, designing the punch (1) according to the aperture size of the hole A before hole flanging;
step three, integrally designing the structure of the mold (2) as subsequent mold opening data;
and step four, processing and assembling the die (2), debugging the die (2), and optimizing the size until debugging is completed to achieve a mass production state.
2. The development of a control arm hole flanging die as claimed in claim 1, wherein: the aperture size of a hole A before hole flanging of the control arm part is 40.5 mm.
3. The development of a control arm hole flanging die as claimed in claim 1, wherein: the die (2) comprises an upper die base (3), a lower die base (4), a guide assembly (5) and a punch (1), wherein the guide assembly and the punch are installed between the upper die base and the lower die base, and the die (2) is installed on a workshop machine table.
4. A control arm hole flanging die development as claimed in claim 3, characterized in that: the guide assembly (5) comprises a guide sleeve (6) arranged below the upper die base (3), a guide pillar (7) is sleeved in the guide sleeve (6), and the guide pillar (7) is arranged on the lower die base (4).
5. A control arm hole flanging die development as claimed in claim 3, characterized in that: drift (1) is including installing chamfer die (8) under upper die base (3) and installing chamfer terrace die (9) on die holder (4), chamfer die (8) and chamfer terrace die (9) cooperation are used and are carried out two-sided chamfer to hole A on the control arm part, chamfer terrace die (9) overcoat has polyurethane to press ferrule (10).
6. Development of a control arm hole flanging die according to claim 5, characterized in that: the height of the chamfering female die (8) is 129.5mm, the outer diameter is 67mm, and the inner diameter is 45 mm.
7. Development of a control arm hole flanging die according to claim 5, characterized in that: the height of the chamfering male die (9) is 125mm, the diameter of the top end of the chamfering male die is 36mm, the outer diameter of the chamfering male die is 45mm, and the chamfering angle of the top end of the chamfering male die is 107 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110659426.8A CN113441625A (en) | 2021-06-15 | 2021-06-15 | Development of control arm hole flanging die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110659426.8A CN113441625A (en) | 2021-06-15 | 2021-06-15 | Development of control arm hole flanging die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113441625A true CN113441625A (en) | 2021-09-28 |
Family
ID=77811366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110659426.8A Pending CN113441625A (en) | 2021-06-15 | 2021-06-15 | Development of control arm hole flanging die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113441625A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09103828A (en) * | 1995-10-06 | 1997-04-22 | Nisshinbo Ind Inc | Press apparatus |
| CN201271693Y (en) * | 2008-09-03 | 2009-07-15 | 中国华录·松下电子信息有限公司 | Mould apparatus used capable of processing metal plate flanging hole and having deburring function |
| KR101290238B1 (en) * | 2012-06-25 | 2013-08-07 | 씨티엠(주) | A slider manufacturing method |
| CN205463928U (en) * | 2016-03-03 | 2016-08-17 | 武汉日晗精密机械有限公司 | Prevent mould of high hole flanging fracture |
| CN205519242U (en) * | 2016-02-22 | 2016-08-31 | 爱德夏汽车零部件（昆山）有限公司 | Mould enstrophe casement utensil |
| CN106825227A (en) * | 2017-03-30 | 2017-06-13 | 柳州职业技术学院 | Boot tail-gate reinforcing plate multistation progressive die and processing technology |
| CN206316247U (en) * | 2016-12-19 | 2017-07-11 | 苏州先科精密机械有限公司 | The chamfering punching that flange ftractures can be prevented |
| CN108555138A (en) * | 2018-04-12 | 2018-09-21 | 苏州弘能精密模具有限公司 | A kind of vehicle door spacing wall bar burring hole forming die and moulding process |
-
2021
- 2021-06-15 CN CN202110659426.8A patent/CN113441625A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09103828A (en) * | 1995-10-06 | 1997-04-22 | Nisshinbo Ind Inc | Press apparatus |
| CN201271693Y (en) * | 2008-09-03 | 2009-07-15 | 中国华录·松下电子信息有限公司 | Mould apparatus used capable of processing metal plate flanging hole and having deburring function |
| KR101290238B1 (en) * | 2012-06-25 | 2013-08-07 | 씨티엠(주) | A slider manufacturing method |
| CN205519242U (en) * | 2016-02-22 | 2016-08-31 | 爱德夏汽车零部件（昆山）有限公司 | Mould enstrophe casement utensil |
| CN205463928U (en) * | 2016-03-03 | 2016-08-17 | 武汉日晗精密机械有限公司 | Prevent mould of high hole flanging fracture |
| CN206316247U (en) * | 2016-12-19 | 2017-07-11 | 苏州先科精密机械有限公司 | The chamfering punching that flange ftractures can be prevented |
| CN106825227A (en) * | 2017-03-30 | 2017-06-13 | 柳州职业技术学院 | Boot tail-gate reinforcing plate multistation progressive die and processing technology |
| CN108555138A (en) * | 2018-04-12 | 2018-09-21 | 苏州弘能精密模具有限公司 | A kind of vehicle door spacing wall bar burring hole forming die and moulding process |
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