CN103551413A - Inner hexagonal forming die for small end surface of ball pin - Google Patents

Inner hexagonal forming die for small end surface of ball pin Download PDF

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Publication number
CN103551413A
CN103551413A CN201310534843.5A CN201310534843A CN103551413A CN 103551413 A CN103551413 A CN 103551413A CN 201310534843 A CN201310534843 A CN 201310534843A CN 103551413 A CN103551413 A CN 103551413A
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CN
China
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hole
ball stud
interior hexagonal
die
counterdie
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CN201310534843.5A
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Chinese (zh)
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CN103551413B (en
Inventor
任蓓蓓
施卫兵
龚爱军
季微微
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江苏森威精锻有限公司
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Abstract

The invention provides an inner hexagonal forming die for a small end surface of a ball pin. The inner hexagonal forming die comprises a die sleeve part, a die pressing part, an elastic part, a material return part and an ejector rod, wherein the die pressing part is embedded in the die sleeve part; the elastic part is embedded in the die pressing part; the material return part is arranged in the die pressing part; the ejector rod passes through a die rack and is inserted into the die pressing part. The service life of the inner hexagonal forming die for the small end surface of the ball pin is prolonged, the reliability of equipment is improved, the yield of the small end surface of the ball pin is increased, the manpower consumption is saved, and the cost is lowered.

Description

A kind of interior hexagonal shaping dies of ball stud small end face
Technical field
The invention belongs to technical field of automobile parts, be specifically related to a kind of interior hexagonal shaping dies of ball stud small end face.
Background technology
Ball stud is generally used for the steering mechanism of automobile and the hinge arrangement of suspension, is the special-purpose rod part with abnormity head.Fig. 1 is the main TV structure schematic diagram of ball stud, the interior hexagonal size of end face is smaller as seen from Figure 1, when making this undersized interior hexagonal, easily adheres to mould in pressing steps, cause last ball stud completely to exit, so that mould damage or ball stud defect rate is high.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of interior hexagonal shaping dies of ball stud small end face, overcomes above-mentioned defect, by spring, counterdie is ejected to the interior hexagonal problem of sticky stripping attachment during the demoulding after shaping that solves workpiece.
For solving the problems of the technologies described above, the invention provides a kind of interior hexagonal shaping dies of ball stud small end face, comprise mould cover component, stamper component, elastomeric element, material returned parts and push rod, described stamper component is partly embedded in described mould cover component, described elastomeric element is embedded in described stamper component, described material returned parts are arranged in described stamper component, and described push rod is plugged in described stamper component through mould bases.
As a kind of preferred version of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention, described mould cover component comprises fairlead and lower die-sleeve, and described fairlead is arranged on described lower die-sleeve,
Described stamper component comprises 4 parts, be followed successively by from top to bottom upper die and lower die, upward pressure piece and downforce piece, described counterdie is provided with counterdie through hole, described upward pressure piece is provided with the first through hole and fifth hole, described downforce piece is provided with the second through hole, third through-hole and fourth hole, described the first through hole is coaxial with described fourth hole, and described counterdie through hole, described fifth hole are coaxial with described the second through hole
Described elastomeric element comprises spring housing and spring, and described spring housing is arranged in described the first through hole and described fourth hole, and described spring is arranged in described spring housing,
Described material returned parts comprise stripping attachment and stripping attachment cover, a described stripping attachment cover part is arranged in described fifth hole, and another part is by counterdie through hole contact workpiece, and a described stripping attachment part is arranged in described the second through hole and stripping attachment cover, another part is by counterdie through hole contact workpiece
Described push rod contacts with stripping attachment cover through third through-hole, and described push rod is controlled described stripping attachment cover and moved up and down.
A kind of preferred version as the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention, a described patrix part is arranged on outside fairlead, another part is arranged in fairlead, the lowest surfaces of described patrix is lower than the highest of described fairlead, described patrix slides up and down in described fairlead, a described counterdie part is arranged in described fairlead, another part is arranged in described lower die-sleeve, described counterdie slides up and down in described fairlead and lower die-sleeve, and described upward pressure piece and downforce piece are arranged in described lower die-sleeve.
A kind of preferred version as the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention, the number of described the first through hole is a plurality of, the number of described fourth hole is a plurality of, the number of described the first through hole and fourth hole is identical, described the second through hole and fifth hole are coaxial through-hole, and the number of described third through-hole is a plurality of.
As a kind of preferred version of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention, described a plurality of the first through holes are uniformly distributed, and a plurality of fourth holes are uniformly distributed, and a plurality of third through-holes are uniformly distributed.
As a kind of preferred version of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention, the diameter of described the first through hole and the diameter of fourth hole are greater than the external diameter of described spring housing.
As a kind of preferred version of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention, the diameter of described the first through hole and the diameter of fourth hole than the external diameter of described spring housing large 0.2 millimeter.
As a kind of preferred version of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention, described elastomeric element also comprises gland, and described gland is arranged on described spring, and the diameter of described gland is less than the diameter of spring housing.
As a kind of preferred version of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention, described spring is butterfly spring.
A kind of preferred version as the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention, is provided with space between described fairlead and described counterdie.
Compared with prior art, the interior hexagonal shaping dies of a kind of ball stud small end face that the present invention proposes, by spring, counterdie is ejected to the interior hexagonal problem of sticky stripping attachment during the demoulding after shaping that solves workpiece, it can extend the service life of the interior hexagonal shaping dies of ball stud small end face, the reliability of raising equipment, improve the qualification rate of head pin small end face, save manpower loss, reduce company cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.Wherein,
Fig. 1 is the main TV structure schematic diagram of ball stud;
Fig. 2 is the cross-sectional view of front view of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention;
Fig. 3 is the plan structure schematic diagram of upward pressure piece of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention;
Fig. 4 is the cross-sectional view of front view of upward pressure piece of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention;
Fig. 5 is the plan structure schematic diagram of downforce piece of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention;
Fig. 6 is the cross-sectional view of front view of downforce piece of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention; With
Fig. 7 is that the spring of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention is placed schematic diagram.
Wherein: 1 is that patrix, 2 is that fairlead, 3 is that counterdie, 4 is that stripping attachment, 5 is that stripping attachment cover, 6 is that gland, 7 is that spring, 8 is that spring housing, 9 is that upward pressure piece, 10 is that downforce piece, 11 is that push rod, 12 is that lower die-sleeve, 13 is that workpiece, 14 is that counterdie through hole 15 is that mould bases, A are that the first through hole, B are that the second through hole, C are that third through-hole, D are that fourth hole, E are fifth hole.
The specific embodiment
The interior hexagonal shaping dies of a kind of ball stud small end face of the present invention, it comprises: mould cover component (not shown), stamper component (not shown), elastomeric element (not shown), material returned parts (not shown) and push rod 11, described stamper component is partly embedded in described mould cover component, described elastomeric element is embedded in described stamper component, described material returned parts are arranged in described stamper component, and described push rod 11 is plugged in described stamper component through mould bases 15.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the specific embodiment, the present invention is further detailed explanation.
First, herein alleged " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the present invention.Different local in this manual " in one embodiment " that occur not all refer to same embodiment, neither be independent or the embodiment mutually exclusive with other embodiment optionally.
Secondly; the present invention utilizes structural representation etc. to be described in detail; when the embodiment of the present invention is described in detail in detail; for ease of explanation; the schematic diagram that represents the interior hexagonal forming die structure of ball stud small end face can be disobeyed local amplification of general ratio work; and described schematic diagram is example, it should not limit the scope of protection of the invention at this.The three dimensions that should comprise in addition, length, width and the degree of depth in actual fabrication.Embodiment mono-
Refer to Fig. 2, Fig. 2 is the cross-sectional view of front view of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention.As shown in Figure 2, the interior hexagonal shaping dies of described a kind of ball stud small end face, it comprises: mould cover component (not shown), stamper component (not shown), elastomeric element (not shown), material returned parts (not shown) and push rod 11.
Described mould cover component comprises fairlead 2 and lower die-sleeve 12, and described fairlead 2 is arranged on described lower die-sleeve 12, and described fairlead 2 and lower die-sleeve 12 are absolute construction.
Described stamper component is partly embedded in described mould cover component, and described stamper component comprises 4 parts, is followed successively by from top to bottom patrix 1, counterdie 3, upward pressure piece 9 and downforce piece 10, and described counterdie 3 is provided with counterdie through hole 14.
In one embodiment, described patrix 1 part is arranged on outside fairlead 2, another part is arranged in fairlead 2, the lowest surfaces of described patrix 1 is lower than the highest of described fairlead 2, described patrix 1 slides up and down in described fairlead 2, therefore, described patrix 1 is when being subject to coming from the thrust making progress of described counterdie 3, move upward, when losing described thrust, its effect because of gravity declines, because described patrix 1 part is arranged on outside fairlead 2, so the height of its decline is lower than the height of described patrix 1.Described counterdie 3 parts are arranged in described fairlead 2, and another part is arranged in described lower die-sleeve 12, and described counterdie 3 slides up and down in described fairlead 2 and lower die-sleeve 12, and described upward pressure piece 9 and downforce piece 10 are arranged in described lower die-sleeve 12.
In order to ensure mould when the demoulding, there are enough floating spaces, between described fairlead 2 and described counterdie 3, are provided with space.
Please continue to refer to Fig. 2 and consult Fig. 3 to Fig. 6, Fig. 3 is the plan structure schematic diagram of upward pressure piece of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention; Fig. 4 is the cross-sectional view of front view of upward pressure piece of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention; Fig. 5 is the plan structure schematic diagram of downforce piece of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention; Fig. 6 is the cross-sectional view of front view of downforce piece of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention.As shown in Figure 3 and Figure 4, described upward pressure piece 9 is provided with the first through hole A and fifth hole E, as shown in Figure 5 and Figure 6, described downforce piece 10 is provided with the second through hole B, third through-hole C and fourth hole D, described the first through hole A is coaxial with described fourth hole D, and described counterdie through hole 14, described fifth hole E are coaxial with described the second through hole B.
In one embodiment, the number of described the first through hole A is a plurality of, and the number of described fourth hole D is a plurality of, and described the first through hole A is identical with the number of fourth hole D, described the second through hole B and fifth hole E are coaxial through-hole, and the number of described third through-hole C is a plurality of.
Further, described a plurality of the first through hole A are uniformly distributed, and a plurality of fourth hole D are uniformly distributed, and a plurality of third through-hole C are uniformly distributed.
Please continue to refer to Fig. 2, as shown in Figure 2, described elastomeric element is embedded in described stamper component, described elastomeric element comprises spring housing 8 and spring 7, described spring housing 8 is arranged in described the first through hole A and described fourth hole D, and described spring 7 is arranged in described spring housing 8, and the highest face after described spring 7 compressions is equal to or less than the highest of described upward pressure piece 9, to guarantee that described counterdie 3 is the level of state when described counterdie 3 is placed on described upward pressure piece 9.
Refer to Fig. 7, Fig. 7 is that the spring of the interior hexagonal shaping dies of a kind of ball stud small end face of the present invention is placed schematic diagram, and as shown in the figure, preferred described spring 7 is butterfly spring.
In one embodiment, the diameter of the diameter of described the first through hole A and fourth hole D is greater than the external diameter of described spring housing 8.Preferably, the diameter of the diameter of described the first through hole A and fourth hole D is than the external diameter of described spring housing 8 large 0.2 millimeter.
Please continue to refer to Fig. 2, in another embodiment, described elastomeric element also comprises gland 6, described gland 6 is arranged on described spring 7, the diameter of described gland 6 is less than the diameter of spring housing 8, after 7 compressions of described spring and the highest face after gland 6 of covering be equal to or less than the highest of described upward pressure piece 9, to guarantee that described counterdie 3 is the level of state when described counterdie 3 is placed on described upward pressure piece 9.
Please continue to refer to Fig. 2, as shown in Figure 2, described material returned parts are arranged in described stamper component, described material returned parts comprise stripping attachment 4 and stripping attachment cover 5, described stripping attachment overlaps 5 parts and is arranged in described fifth hole E, another part is by counterdie through hole 14 contact workpiece 13, and described stripping attachment 4 parts are arranged in described the second through hole B and stripping attachment cover 5, and another part is by counterdie through hole 14 contact workpiece 13.
Described push rod 11 is plugged in described stamper component through mould bases 15, described push rod 11 contacts with stripping attachment cover 5 through third through-hole C, described push rod 11 is controlled described stripping attachment cover 5 and is moved up and down, when push rod 11 makes progress, while moving to workpiece 13 positions, push rod 11 pushes stripping attachment cover 5 and also moves upward, when push rod 11 fallings move downward, described stripping attachment cover 5 is because lacking the support of described push rod 11, and also the effect because of gravity falls after rise.
For the ease of understanding, the interior hexagonal shaping dies assemble sequence of ball stud small end face is described below in conjunction with Fig. 2.When assembling, first lower die-sleeve 12 is put into mould bases 15, stripping attachment 4 penetrates from the second through hole B of downforce piece 10, then stripping attachment 4 is put into lower die-sleeve 12 together with downforce piece 10, then push rod 11 is put into the third through-hole C of downforce piece 10, stripping attachment cover 5 is mounted on stripping attachment 4, then by fifth hole E, upward pressure piece 9 encapsulations are placed on above stripping attachment cover 5, then spring 7 is packed in spring housing 8, then gland 6 is loaded onto, the spring housing 8 that spring 7 and gland 6 are housed is put into the first through hole A of upward pressure piece 9 and the fourth hole D of downforce piece 10, and then counterdie 3 is contained on upward pressure piece 9, fairlead 2 is contained in to the outside of counterdie 3, finally again patrix 1 is contained in to counterdie 3 tops, die assembly completes.
Interior its operation principle of hexagonal shaping dies of ball stud small end face of the present invention is: when work, first the interior hexagonal shaping dies of ball stud small end face is assembled, then workpiece 13 is put into counterdie 3, while starting to push, to guarantee that patrix 1 has entered in fairlead 2 when contacting with workpiece 13, the axiality requirement of guarantee product like this.Patrix 1 enters fairlead 2 and contacts and push with workpiece 13, workpiece 13 contacts and extrudes interior hexagonal with the stripping attachment 4 through counterdie through hole 14 in counterdie 3, after having pushed, moves away workpiece 13 on patrix 1, at this moment, stripping attachment 4 is motionless in mould, and spring 7 can trail, and at this moment spring ejects counterdie 3, counterdie 3 floats in lower die-sleeve 12, now workpiece 13 has separated with stripping attachment 4, and push rod 11 ejects stripping attachment cover 5, and stripping attachment cover 5 ejects counterdie 3 by workpiece 13.
The parts of the interior hexagonal shaping dies of above-mentioned ball stud small end face include but not limited to above-mentioned kind.
Under those of ordinary skill in field should be understood that, one of feature of the present invention or object are: the interior hexagonal shaping dies of ball stud small end face of the present invention is by the interior hexagonal improving frame for movement and the solve workpiece problem of sticky stripping attachment during the demoulding after shaping.The interior hexagonal shaping dies of ball stud small end face of the present invention, it can extend the service life of the interior hexagonal shaping dies of ball stud small end face, improves the reliability of equipment, improves the qualification rate of head pin small end face, saves manpower loss, reduces company cost.
It should be noted that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technical scheme of the present invention, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.

Claims (10)

1. the interior hexagonal shaping dies of a ball stud small end face, it is characterized in that: comprise mould cover component, stamper component, elastomeric element, material returned parts and push rod, described stamper component is partly embedded in described mould cover component, described elastomeric element is embedded in described stamper component, described material returned parts are arranged in described stamper component, and described push rod is plugged in described stamper component through mould bases.
2. the interior hexagonal shaping dies of ball stud small end face as claimed in claim 1, is characterized in that:
Described mould cover component comprises fairlead and lower die-sleeve, and described fairlead is arranged on described lower die-sleeve,
Described stamper component comprises 4 parts, be followed successively by from top to bottom upper die and lower die, upward pressure piece and downforce piece, described counterdie is provided with counterdie through hole, described upward pressure piece is provided with the first through hole and fifth hole, described downforce piece is provided with the second through hole, third through-hole and fourth hole, described the first through hole is coaxial with described fourth hole, and described counterdie through hole, described fifth hole are coaxial with described the second through hole
Described elastomeric element comprises spring housing and spring, and described spring housing is arranged in described the first through hole and described fourth hole, and described spring is arranged in described spring housing,
Described material returned parts comprise stripping attachment and stripping attachment cover, a described stripping attachment cover part is arranged in described fifth hole, and another part is by counterdie through hole contact workpiece, and a described stripping attachment part is arranged in described the second through hole and stripping attachment cover, another part is by counterdie through hole contact workpiece
Described push rod contacts with stripping attachment cover through third through-hole, and described push rod is controlled described stripping attachment cover and moved up and down.
3. the interior hexagonal shaping dies of ball stud small end face as claimed in claim 2, it is characterized in that: a described patrix part is arranged on outside fairlead, another part is arranged in fairlead, the lowest surfaces of described patrix is lower than the highest of described fairlead, described patrix slides up and down in described fairlead, a described counterdie part is arranged in described fairlead, another part is arranged in described lower die-sleeve, described counterdie slides up and down in described fairlead and lower die-sleeve, and described upward pressure piece and downforce piece are arranged in described lower die-sleeve.
4. the interior hexagonal shaping dies of ball stud small end face as claimed in claim 2, it is characterized in that: the number of described the first through hole is a plurality of, the number of described fourth hole is a plurality of, the number of described the first through hole and fourth hole is identical, described the second through hole and fifth hole are coaxial through-hole, and the number of described third through-hole is a plurality of.
5. the interior hexagonal shaping dies of ball stud small end face as claimed in claim 4, is characterized in that: described a plurality of the first through holes are uniformly distributed, and a plurality of fourth holes are uniformly distributed, and a plurality of third through-holes are uniformly distributed.
6. the interior hexagonal shaping dies of ball stud small end face as claimed in claim 2, is characterized in that: the diameter of described the first through hole and the diameter of fourth hole are greater than the external diameter of described spring housing.
7. the interior hexagonal shaping dies of ball stud small end face as claimed in claim 6, is characterized in that: the diameter of described the first through hole and the diameter of fourth hole than the external diameter of described spring housing large 0.2 millimeter.
8. the interior hexagonal shaping dies of ball stud small end face as claimed in claim 2, is characterized in that: described elastomeric element also comprises gland, and described gland is arranged on described spring, and the diameter of described gland is less than the diameter of spring housing.
9. the interior hexagonal shaping dies of ball stud small end face as claimed in claim 2, is characterized in that: described spring is butterfly spring.
10. the interior hexagonal shaping dies of ball stud small end face as claimed in claim 2, is characterized in that: between described fairlead and described counterdie, be provided with space.
CN201310534843.5A 2013-10-31 2013-10-31 A kind of interior hexagonal shaping dies of ball stud small end face Active CN103551413B (en)

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CN101972792A (en) * 2010-10-22 2011-02-16 南京迪威尔重型锻造股份有限公司 Hot reverse-extrusion forming mold for large cup shell
CN102658306A (en) * 2012-05-14 2012-09-12 安徽工业大学 Blocking extrusion forming die
CN203635652U (en) * 2013-10-31 2014-06-11 江苏森威精锻有限公司 Inner hexagonal forming die for small end surface of ball pin

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Publication number Priority date Publication date Assignee Title
JPS55158824A (en) * 1979-05-28 1980-12-10 Toyota Motor Corp Material holder for extrusion work
CN101306443A (en) * 2007-05-15 2008-11-19 张华文 Vehicle oil pump bracket spline processing die
CN101879536A (en) * 2010-07-02 2010-11-10 洛阳理工学院 Method for forming helical gear by radial cold extrusion and die thereof
CN101972792A (en) * 2010-10-22 2011-02-16 南京迪威尔重型锻造股份有限公司 Hot reverse-extrusion forming mold for large cup shell
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