CN110252865A - A kind of the hole flanging processing method and hole flanging processing mold of automobile mould metal stamping part - Google Patents
A kind of the hole flanging processing method and hole flanging processing mold of automobile mould metal stamping part Download PDFInfo
- Publication number
- CN110252865A CN110252865A CN201910552054.1A CN201910552054A CN110252865A CN 110252865 A CN110252865 A CN 110252865A CN 201910552054 A CN201910552054 A CN 201910552054A CN 110252865 A CN110252865 A CN 110252865A
- Authority
- CN
- China
- Prior art keywords
- hole flanging
- stamping part
- metal stamping
- hole
- positioning element
- 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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- 239000002184 metal Substances 0.000 title claims abstract description 54
- 238000003672 processing method Methods 0.000 title claims abstract description 10
- 238000004080 punching Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 23
- 239000011159 matrix material Substances 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- 238000004513 sizing Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000005336 cracking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The present invention provides a kind of hole flanging processing molds of automobile mould metal stamping part; comprising: lower die mechanism; positioning element is installed thereon; positioning metal punching parts on positioning element; hole flanging thimble movable up and down is installed in positioning element; the elastic collar around hole flanging thimble is also equipped in positioning element, elastic collar withstands the bottom surface of metal stamping part；Upper die mechanism is equipped with hole flanging punch thereon, extends towards the direction of the through-hole of metal stamping part, the end of hole flanging thimble extends into through-hole.The present invention also provides a kind of hole flanging processing methods of automobile mould metal stamping part.The present invention can be effectively prevented because the stamping press of hole flanging punch is too big and caused by sizing problem at hole flanging, effectively improve processing efficiency, while reducing product rejection rate.
Description
Technical field
The present invention relates to hole flanging processing mold fields, in particular to a kind of hole flanging of automobile mould metal stamping part
Processing method and hole flanging processing mold.
Background technique
As the continuous overtime work of China's automobile market competition is acute, each auto producer commercial city is laying siege to production cost
It minimizes, product maximum profit, especially in Automobile Parts this part, the requirement control to production is also very tight, especially
It is very stringent that be in high-end automobile parts be to the requirement of hole flanging, because part in automobile parts is all, to belong to be to have hole flanging
Part its function be either exactly to fill bearing or be exactly lock fastener, so for this part in process of production to production
Product cracking, burr, wall thickness control are all that very sternly, product these problems perplex to production bring in previous production, generally
2000PCS order under guest under normal circumstances can be completed for one hour by mould punching ability 40PCS per minute, but
In actual production process often, there is the problems such as cracking, burr after hole flanging, be highly not achieved, mold one tear open one be filled to it is few
Spend 4 hours or more time even longer, if thoroughly to solve product cracking, burr, wall thickness, height problem, it is necessary to first confirm
Whether product forming technique, mould structure are reasonable, and generally in our production scenes, normal flange hole technology has two kinds: one is elder generations
Pre-punched hole-hole flanging；Second is: pre-punched hole-face signature-hole flanging, but above two kinds of schemes are to the hole flanging of high-end automobile parts
It is completely unappeasable.
Later period in order to solve the problem above-mentioned, has and proposes new flange hole technology, specifically includes that raising process, punching
Process is given as security in process, hole flanging process and face；Chinese patent application 201510795965.9 can specifically be referred to.But wherein
In hole flanging process, it is easy to cause the sizing problem at hole flanging because the stamping press of hole flanging punch is too big, when subsequent demoulding also
It needs to carry out manual assisted demoulding, influences the processing efficiency of integrated artistic, it is also possible to cause scrapping for product.
Summary of the invention
In consideration of it, the present invention provides the hole flanging processing methods and hole flanging processing mould of a kind of automobile mould metal stamping part
Tool, can be effectively prevented because the stamping press of hole flanging punch is too big and caused by sizing problem at hole flanging, effectively improve plus
Work efficiency rate, while reducing product rejection rate.
Thus, on the one hand, the present invention provides a kind of hole flanging processing methods of automobile mould metal stamping part, including raising
Process, the hole flanging process are as follows: the positioning metal on the positioning element of lower die mechanism are given as security in process, punching operation, hole flanging process and face
Punching parts, upper die mechanism downlink, the hole flanging punch on upper die mechanism pour in the through-hole of metal stamping part, at this time positioning region
The end for the hole flanging thimble movable up and down contact hole flanging punch being arranged in part, surrounds the elastic collar top of hole flanging thimble at this time
The firmly bottom surface of metal stamping part.
Further, above-mentioned through hole forms downward flange, is formed and is turned between flange and the bottom surface of metal stamping part
Side right angle, elastic collar withstand flange right angle.
On the other hand, the present invention provides a kind of hole flanging processing molds of automobile mould metal stamping part comprising:
Lower die mechanism is equipped with positioning element thereon, positioning metal punching parts on positioning element, installation in positioning element
There is hole flanging thimble movable up and down, the elastic collar around hole flanging thimble is also equipped in positioning element, elastic collar is withstood
The bottom surface of metal stamping part；
Upper die mechanism is equipped with hole flanging punch thereon, extends towards the direction of the through-hole of metal stamping part, hole flanging top
The end of needle extends into through-hole.
Further, above-mentioned lower die mechanism includes lower die holder and lower bolster, and lower bolster is fixedly installed on lower die holder, positioning
Component is fixedly installed on lower bolster.
Further, above-mentioned positioning element includes that hole flanging lower die insert and the hole flanging being set in hole flanging lower die insert enter
Son, hole flanging thimble are arranged in hole flanging and enter in son, and elastic collar is installed on hole flanging and enters edge in the top of son.
Further, the bottom of above-mentioned hole flanging thimble connects nitrogen gas spring, is installed in lower die mechanism.
Further, above-mentioned elastic collar includes the first collar unit, the second collar unit, the first spring and the second bullet
Spring, the first collar unit and the second collar unit diagonally connect and are formed top annular step surface and base circle step surface, the
One spring is placed on top annular step surface, and second spring is placed on base circle step surface.
Further, in terms of the cross section of elastic collar, the first collar unit, the second collar unit, the first spring and
Two springs are distributed in matrix pattern.
Further, the edge of above-mentioned first collar unit has the arc side for withstanding flange right angle.
Further, above-mentioned upper die mechanism includes upper die holder, upper padding plate, upper clamp plate and stripper plate, is equipped on upper die holder
Contour screw connects stripper plate after passing through upper padding plate and upper clamp plate, and the bottom of hole flanging punch is fixedly connected on upper padding plate, hole flanging
Formed punch passes through upper clamp plate and stripper plate.
It is main in the hole flanging processing method and hole flanging processing mold of a kind of automobile mould metal stamping part provided by the present invention
The elastic collar of hole flanging thimble is surrounded by being arranged in the positioning element of lower die mechanism, when stamping press, elastic collar can
To withstand the bottom surface of metal stamping part, specially withstand that be formed by flange between flange and the bottom surface of metal stamping part straight
Angle can form the rebound de- material effect to workpiece in punching press, thus can be effectively prevented the punching press because of hole flanging punch
Power it is too big and caused by sizing problem at hole flanging, effectively improve processing efficiency, while reducing product rejection rate.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of hole flanging processing mold of automobile mould metal stamping part provided in an embodiment of the present invention in die opening state
Under structural schematic diagram；
Fig. 2 is the enlarged drawing in the portion A in Fig. 1；
Fig. 3 is a kind of hole flanging processing mold of automobile mould metal stamping part provided in an embodiment of the present invention in molding state
Under structural schematic diagram；
Fig. 4 is the enlarged drawing in the portion B in Fig. 3.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one:
Referring to Fig. 1 to Fig. 4, a kind of turning over for automobile mould metal stamping part of the offer of the embodiment of the present invention one is shown in figure
Hole machined mold, is provided with lower die mechanism 1 first, is equipped with positioning element 11 thereon, and positioning metal rushes on positioning element 11
Part 2 is pressed, hole flanging thimble 12 movable up and down is installed in positioning element 11, is also equipped in positioning element 11 around hole flanging
The elastic collar 13 of thimble 12, elastic collar 13 withstand the bottom surface of metal stamping part 2.
Referring to Fig. 1 to Fig. 4, lower die mechanism 1 specifically includes lower die holder 15 and lower bolster 14, and lower bolster 14 is fixedly installed in down
On die holder 15, positioning element 11 is fixedly installed on lower bolster 14.
Referring to Fig. 1 to Fig. 4, it is secondly provided with upper die mechanism 3, hole flanging punch 31 is installed thereon, towards metal stamping
The direction of the through-hole 21 of part 2 extends, and the end of hole flanging thimble 12 extends into through-hole 21.
Referring to Fig. 1 to Fig. 4, upper die mechanism 3 includes upper die holder 32, upper padding plate 33, upper clamp plate 34 and stripper plate 35, upper die holder
Contour screw 36 is installed on 32, connects stripper plate 35, the bottom of hole flanging punch 31 after passing through upper padding plate 33 and upper clamp plate 34
It is fixedly connected on upper padding plate 33, hole flanging punch 31 passes through upper clamp plate 34 and stripper plate 35.
When work, referring to Fig. 1 to Fig. 4, a kind of processing of the hole flanging processing mold of above-mentioned automobile mould metal stamping part
Method includes that process, hole flanging process therein are as follows: in determining for lower die mechanism 1 are given as security in raising process, punching operation, hole flanging process and face
Positioning metal punching parts 2 on the component 11 of position, 3 downlink of upper die mechanism, the hole flanging punch 31 on upper die mechanism 3 pour metal stamping
In the through-hole 21 of part 2, the hole flanging thimble 12 movable up and down being arranged in positioning element 11 at this time contacts hole flanging punch 31
End forms downward flange 22 at through-hole 21, and flange right angle 23 is formed between flange 22 and the bottom surface of metal stamping part 2,
The bottom surface of metal stamping part 2 is withstood around the elastic collar 13 of hole flanging thimble 12 at this time.
In the hole flanging processing method and hole flanging processing mold of a kind of automobile mould metal stamping part provided by the present embodiment,
The elastic collar that hole flanging thimble is mainly surrounded by being arranged in the positioning element of lower die mechanism, when stamping press, elastic collar
The bottom surface of metal stamping part can be withstood, specially withstands and is formed by flange between flange and the bottom surface of metal stamping part
Right angle can form the rebound de- material effect to workpiece in punching press, thus can be effectively prevented because hole flanging punch rushes
Pressure it is too big and caused by sizing problem at hole flanging, effectively improve processing efficiency, while reducing product rejection rate.
Embodiment two:
Referring to Fig. 1 to Fig. 3, a kind of turning over for automobile mould metal stamping part provided by Embodiment 2 of the present invention is shown in figure
In hole forming method and hole flanging processing mold, the present embodiment is also further made that following work on the basis of the above embodiments
Include hole flanging lower die insert 111 and the hole flanging being set in hole flanging lower die insert 111 for improved technical solution: positioning element 11
Entering son 112, hole flanging thimble 12 is arranged in hole flanging and enters in son 112, and elastic collar 13 is installed on hole flanging and enters edge in the top of son 112,
And the bottom of hole flanging thimble 12 connects nitrogen gas spring 121, is installed in lower die mechanism 1, the product after hole flanging may be implemented
De- material effect.
Embodiment three:
Referring to Fig. 1 to Fig. 3, a kind of turning over for automobile mould metal stamping part of the offer of the embodiment of the present invention three is shown in figure
In hole forming method and hole flanging processing mold, the present embodiment is also further made that following work on the basis of the above embodiments
It include the first collar unit 131, the second collar unit 132,133 and of the first spring for improved technical solution: elastic collar 13
Second spring 134, the first collar unit 131 and the second collar unit 132 diagonally connect and form 135 He of top annular step surface
Base circle step surface 136, the first spring 133 are placed on top annular step surface 135, and second spring 134 is placed on base circle
On step surface 136, and in terms of the cross section of elastic collar 13, the first collar unit 131, the second collar unit 132, the first spring
133 and second spring 134 be distributed in matrix pattern, the edge of the first collar unit 131 has the arc side for withstanding flange right angle 23
137.By the setting of above structure, by the structure of matrix pattern, the first collar unit is allowed to withstand flange right angle, second
Collar unit can withstand the bottom space of positioning element, and diagonal knot is formed between the first collar unit and the second collar unit
Structure, so that the support strength for product is higher.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of hole flanging processing method of automobile mould metal stamping part, including raising process, punching operation, hole flanging process and face
Give as security process, which is characterized in that the hole flanging process are as follows: the positioning metal punching press zero on the positioning element (11) of lower die mechanism (1)
Part (2), upper die mechanism (3) downlink, the hole flanging punch (31) on the upper die mechanism (3) pour the metal stamping part (2)
Through-hole (21) in, the hole flanging thimble (12) movable up and down being arranged in the positioning element (11) at this time contacts the hole flanging
The metal stamping part (2) is withstood around the elastic collar (13) of the hole flanging thimble (12) at this time in the end of formed punch (31)
Bottom surface.
2. a kind of hole flanging processing method of automobile mould metal stamping part according to claim 1, which is characterized in that described
It is formed at through-hole (21) downward flange (22), is formed between the flange (22) and the bottom surface of the metal stamping part (2)
Flange right angle (23), the elasticity collar (13) withstand the flange right angle (23).
3. a kind of hole flanging processing mold of automobile mould metal stamping part characterized by comprising
Lower die mechanism (1) is equipped with positioning element (11) thereon, positioning metal punching parts (2) on the positioning element (11),
Hole flanging thimble (12) movable up and down is installed in the positioning element (11), is also equipped in positioning element (11) around institute
The elastic collar (13) of hole flanging thimble (12) is stated, the elasticity collar (13) withstands the bottom surface of the metal stamping part (2)；
Upper die mechanism (3) is equipped with hole flanging punch (31) thereon, towards the through-hole (21) of the metal stamping part (2)
Direction extends, and the end of the hole flanging thimble (12) extends into the through-hole (21).
4. a kind of hole flanging processing mold of automobile mould metal stamping part according to claim 3, which is characterized in that described
Lower die mechanism (1) includes lower die holder (15) and lower bolster (14), and the lower bolster (14) is fixedly installed in the lower die holder (15)
On, the positioning element (11) is fixedly installed on the lower bolster (14).
5. a kind of hole flanging processing mold of automobile mould metal stamping part according to claim 3 or 4, which is characterized in that
The positioning element (11) includes that hole flanging lower die insert (111) and the hole flanging being set in the hole flanging lower die insert (111) enter
Sub (112), the hole flanging thimble (12) are arranged in the hole flanging and enter in sub (112), and the elasticity collar (13) is installed on described
Hole flanging enters edge in the top of sub (112).
6. a kind of hole flanging processing mold of automobile mould metal stamping part according to claim 3, which is characterized in that described
The bottom of hole flanging thimble (12) connects nitrogen gas spring (121), is installed in the lower die mechanism (1).
7. a kind of hole flanging processing mold of automobile mould metal stamping part according to claim 3, which is characterized in that described
Elastic collar (13) includes the first collar unit (131), the second collar unit (132), the first spring (133) and second spring
(134), the first collar unit (131) and the second collar unit (132) diagonally connect and form top annular step
Face (135) and base circle step surface (136), first spring (133) are placed on the top annular step surface (135),
The second spring (134) is placed on the base circle step surface (136).
8. a kind of hole flanging processing mold of automobile mould metal stamping part according to claim 7, which is characterized in that from institute
The cross section for stating elastic collar (13) sees, the first collar unit (131), the second collar unit (132), described first
Spring (133) and the second spring (134) are distributed in matrix pattern.
9. a kind of hole flanging processing mold of automobile mould metal stamping part according to claim 7 or 8, which is characterized in that
The edge of the first collar unit (131) has the arc side (137) for withstanding flange right angle (23).
10. a kind of hole flanging processing mold of automobile mould metal stamping part according to claim 3, which is characterized in that institute
Stating upper die mechanism (3) includes upper die holder (32), upper padding plate (33), upper clamp plate (34) and stripper plate (35), the upper die holder (32)
On contour screw (36) are installed, pass through the upper padding plate (33) and the upper clamp plate (34) and connect the stripper plate afterwards
(35), the bottom of the hole flanging punch (31) is fixedly connected on the upper padding plate (33), and the hole flanging punch (31) passes through described
Upper clamp plate (34) and the stripper plate (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552054.1A CN110252865A (en) | 2019-06-24 | 2019-06-24 | A kind of the hole flanging processing method and hole flanging processing mold of automobile mould metal stamping part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910552054.1A CN110252865A (en) | 2019-06-24 | 2019-06-24 | A kind of the hole flanging processing method and hole flanging processing mold of automobile mould metal stamping part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110252865A true CN110252865A (en) | 2019-09-20 |
Family
ID=67921057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910552054.1A Pending CN110252865A (en) | 2019-06-24 | 2019-06-24 | A kind of the hole flanging processing method and hole flanging processing mold of automobile mould metal stamping part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110252865A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007985A (en) * | 2020-09-14 | 2020-12-01 | 江苏鸿基金属制品有限公司 | Hole flanging processing die for automobile die metal stamping part |
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| CN206009559U (en) * | 2016-08-30 | 2017-03-15 | 亿和精密工业（苏州）有限公司 | Flanging bore punching compression mould |
| CN210253732U (en) * | 2019-06-24 | 2020-04-07 | 深圳数码模汽车技术有限公司 | Hole flanging processing die for automobile die metal stamping part |
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2019
- 2019-06-24 CN CN201910552054.1A patent/CN110252865A/en active Pending
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|---|---|---|---|---|
| JP2000197934A (en) * | 1998-12-28 | 2000-07-18 | Ricoh Co Ltd | Die unit and method for press working |
| JP2006205232A (en) * | 2005-01-28 | 2006-08-10 | Toyota Motor Corp | Burring method and burring device |
| CN202984446U (en) * | 2012-11-29 | 2013-06-12 | 亿和精密金属制品(深圳)有限公司 | Thin material hole flanging mould |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112007985A (en) * | 2020-09-14 | 2020-12-01 | 江苏鸿基金属制品有限公司 | Hole flanging processing die for automobile die metal stamping part |
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