CN109070185A - For manufacturing the mold pin of bute yoke - Google Patents
For manufacturing the mold pin of bute yoke Download PDFInfo
- Publication number
- CN109070185A CN109070185A CN201680085082.1A CN201680085082A CN109070185A CN 109070185 A CN109070185 A CN 109070185A CN 201680085082 A CN201680085082 A CN 201680085082A CN 109070185 A CN109070185 A CN 109070185A
- Authority
- CN
- China
- Prior art keywords
- pressing mold
- mold
- fork
- spline
- mold pin
- 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
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/12—Forming profiles on internal or external surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
- B21K1/066—Making machine elements axles or shafts splined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
- B21K1/762—Coupling members for conveying mechanical motion, e.g. universal joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
- B21K1/762—Coupling members for conveying mechanical motion, e.g. universal joints
- B21K1/765—Outer elements of coupling members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/74—Making machine elements forked members or members with two or more limbs, e.g. U-bolts, anchors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The present invention relates to the mold pin for manufacturing bute yoke, which can quickly manufacture the bute yoke that spline is provided on tube portion while preventing deformation (shape distortion comprising spline) by forging step.For this purpose, mold pin according to the present invention for manufacturing bute yoke is provided with splined section in the peripheral surface of the mold pin, to form spline in the tube portion of bute yoke for including tube portion and fork point, wherein, it is formed in the splined section corresponding with the side of the longitudinal direction of the mold pin along peripheral direction shoulder portion outstanding.
Description
Technical field
The present invention relates to the mold pins for manufacturing bute yoke, and more particularly, to can by forging step it is fast
Speed manufacture be provided on tube portion spline bute yoke and meanwhile prevent deformation (shape distortion comprising spline) be used for manufacture
The mold pin of bute yoke.
Background technique
Common fork is provided in driven shaft and is not arranged relative to the live spindle of such as cardan shaft in the same line
When upper, by the power smooth transport of drive shaft to driven shaft, the wherein steering of the power or vehicle of cardan shaft transmission engine.
Fig. 1 is the perspective view of typical bute yoke.Bute yoke includes fork point 2 and couples with the low portion of fork point 2
Axis 3.
In the case where typical bute yoke, bute yoke is manufactured into, so that separately manufactured fork point 2 and axis 3, then will
The low portion of fork point 2 is welded in the upper part of axis 3.
However, as described above, by the way that fork point is welded in axis and manufactured typical bute yoke be limited in that, fork
Divide and axis is manufactured in individual device.Due to the limitation, the cost of equipment is caused to will increase, it can be because during welding
The deformation of heat and generation such as fork point or shaft distortion, in addition, part is easily damaged, and bute yoke is in validity period because being soldered
Between strength reduction.
In order to solve above-mentioned limitation, it has been disclosed that a kind of bute yoke that wherein fork point is integrated with each other with shaft portion.
However, needing such as forming flower in the case where the bute yoke that wherein fork point and shaft portion are integrated with each other
The additional step such as calibrated after key, this is because spline is difficult to be formed on the inner surface of bute yoke.
In addition, as described above, when passing through the forging step manufacture bute yoke that wherein fork point and shaft portion are integrated with each other
And due to being difficult to be formed spline when forming spline by independent processing step, manufacturing time can substantially extend and manufacture into
This also will increase.
(relevant technical literature)
Pat. Registration No.10-0767105 (registration date: on October 8th, 2007)
Summary of the invention
Technical problem
The present invention provides a kind of for manufacturing the mold pin of bute yoke, which can (include flower preventing deformation
The shape distortion of key) while quickly manufactured by forging step and be provided with the bute yoke of spline on tube portion.
Technical solution
Embodiments of the present invention provide a kind of for manufacturing the mold pin of bute yoke, and the mold pin is in the mold pin
Peripheral surface on be provided with splined section, to mould flower in the tube portion of bute yoke for including tube portion and fork point
Key.Here, it is formed in the splined section corresponding with the side of the longitudinal direction of the mold pin along peripheral direction
Shoulder portion outstanding.
In embodiments, shoulder portion may include the first shoulder formed in a side end of the longitudinal direction of mold pin
Part and the second shoulder portion formed at the position separated with first shoulder part towards the other side.
In embodiments, first shoulder part can have the projecting height bigger than the second shoulder portion.
Beneficial effect
As described above, being provided with flower on tube portion by forging step it is an advantage of the current invention that can quickly manufacture
The bute yoke of key.
It is also an advantage of the present invention that can prevent from deforming, which includes the shape distortion of the spline of tube portion.
Detailed description of the invention
Fig. 1 is to illustrate the perspective view of typical bute yoke.
Fig. 2 is to illustrate the view of the bute yoke manufacturing device of embodiment according to the present invention.
Fig. 3 is to illustrate the view of the center groove pressing mold of bute yoke manufacturing device of embodiment according to the present invention.
Fig. 4 is to illustrate the view of the main backward extrusion pressing mold of bute yoke manufacturing device of embodiment according to the present invention.
Fig. 5 is the view of the auxiliary backward extrusion pressing mold for the bute yoke manufacturing device for illustrating embodiment according to the present invention.
Fig. 6 is to illustrate the view of the preliminary fork pressing mold of bute yoke manufacturing device of embodiment according to the present invention.
Fig. 7 is the view of the fork pressing mold for the bute yoke manufacturing device for illustrating embodiment according to the present invention.
Fig. 8 is to illustrate the view of the spline pressing mold of bute yoke manufacturing device of embodiment according to the present invention.
Fig. 9 to Figure 11 is to illustrate being formed by the spline pressing mold of bute yoke manufacturing device for embodiment according to the present invention
The view of the step of spline.
Figure 12 is the mold that is arranged in the spline pressing mold for the bute yoke manufacturing device for illustrating embodiment according to the present invention
The view of pin.
Figure 13 is the cross-sectional view intercepted along the line A-A of Figure 12.
Specific embodiment
It can implement this hair by different form in the case where not departing from the scope of the present invention, technical thought and essential characteristic
It is bright.Preferred embodiment should be regarded merely as it is descriptive, rather than for purposes of limitation.
It should be understood that although such as term of " first " and " second " used herein describes various elements,
These elements should not be limited by these terms.
These terms are used only to distinguish a component with other assemblies.For example, not departing from appended claims
In the case where the range of book, the first element of the first element in a referred to as embodiment is referred to alternatively as another embodiment party
Second element in formula.
Word "and/or" means that the related one or more or combination constituted in element is possible.
It should also be understood that it may be directly connected to separately when element is referred to as with another element " connection " or " engagement "
One element, or intermediary element also may be present.
It should also be understood that intermediary element is not present when element is referred to as with another element " being directly connected to ".
In the following description, technical term is only intended to illustrate specific exemplary embodiments, rather than limits this hair
It is bright.The term of singular may include plural form, unless indicated to the contrary.
Meaning specified attribute, region, stationary digital, step, processing, the element and/or component of " include " or " contain ", and
Other attributes, region, stationary digital, step, processing, element and/or component are not foreclosed.
Unless defining term used in the disclosure in different ways, otherwise these terms can be interpreted this field
Meaning known to technical staff.
The term of such as general term being already present in dictionary, which should be understood that, to be had and the back in this field
The meaning that scape meaning matches.In the present specification, unless explicitly defined, otherwise term not by it is ideal, exceedingly explain and be positive
Formula meaning.
Hereinafter, it is described with reference to embodiment disclosed in this specification, and regardless of reference label, is
Identical or corresponding component assigns identical appended drawing reference, and their description will not be repeated.
In addition, detailed description relevant to well-known functions or configuration will be excluded, in order to avoid unnecessarily obscure master of the invention
Topic.
As illustrated in Fig. 2, the bute yoke manufacturing device A of embodiment according to the present invention includes center groove pressing mold
110, main backward extrusion pressing mold 120, auxiliary backward extrusion pressing mold 130, preliminary fork pressing mold 140, fork pressing mold 150 and spline pressing mold 160.
Molding is by the way that material supply to be molded to center groove pressing mold 110, main backward extrusion pressing mold 120, auxiliary is anti-crowded
Pressure pressing mold 130, pitches each of pressing mold 150 and spline pressing mold 160 to be performed simultaneously preliminary fork pressing mold 140.
For example, being supplied to using transmission device main anti-after the first material is moulded in center groove pressing mold 110
Pressing mold 120 is squeezed, meanwhile, together along with the first material of transmission, by the second material supply to center groove pressing mold 110.
Moreover, the first material is moulded in main backward extrusion pressing mold 120, it is then fed to auxiliary backward extrusion pressing mold
130.Here, together along with the first material of transmission, the second material is supplied to main backward extrusion pressing mold 120 simultaneously, and newly
Third material is also supplied to center groove pressing mold 110 simultaneously.
As described above, a block of material is anti-crowded sequentially along center groove pressing mold 110, main backward extrusion pressing mold 120, auxiliary
Pressure pressing mold 130, preliminary fork pressing mold 140, fork pressing mold 150 and spline pressing mold 160 are moulded while transmission, and material is connect
It even supplies, to be moulded.
That is, bute yoke is configured to concurrently perform center groove pressing mold 110, main backward extrusion pressing mold 120, auxiliary instead
It squeezes pressing mold 130, preliminary fork pressing mold 140, pitch the moulding process of pressing mold 150 and spline pressing mold 160, and be additionally configured to simultaneously
The multiple material moulded completely in each corresponding mold is supplied to mold in a subsequent step using transmission device.
As noted previously, as whole moulding process be all be performed simultaneously material is continuously applied and at the same time ground is held
Row center groove pressing mold 110, main backward extrusion pressing mold 120, auxiliary backward extrusion pressing mold 130, preliminary fork pressing mold 140, fork 150 and of pressing mold
The moulding process of spline pressing mold 160, therefore the bute yoke manufacturing device A of embodiment according to the present invention can be grasped in each circulation
A finished product is manufactured in making and (press machine being transmitted to mold mould the once-through operation then returned to material).
Hereinafter, by description center groove pressing mold 110, main backward extrusion pressing mold 120, auxiliary backward extrusion pressing mold 130, preliminary fork
Schematic structure in each of pressing mold 140, fork pressing mold 150 and spline pressing mold 160.
As illustrated in Fig. 3, center groove pressing mold 110 includes center groove pressing mold 111 and press machine 113, cutting material
It is supplied to center groove pressing mold 111, and press machine 113 presses to the side for the material for being supplied to center groove pressing mold 111,
Center groove is molded into the side in the material.
Center groove can be moulded by the mold pin 111P in centrally disposed groove pressing mold 111.
During a circulate operation of center groove pressing mold 110, center groove can be formed in the side of the material.
As illustrated in Fig. 2, main backward extrusion pressing mold 120 is arranged close to center groove pressing mold 110.Main backward extrusion pressing mold 120
Include: main backward extrusion pressing mold 121, is received using individual transmission device (not shown) and moulded by center groove pressing mold 110
Material；And mold pin 121P, it presses to the material for being supplied to main backward extrusion pressing mold 121, to be set to the side in material
The tube portion for being equipped with inner diameter hole executes backward extrusion molding, as illustrated in Fig. 4.
When upper part of the press machine 123 to material presses, main backward extrusion can be performed.
During a circulate operation of main backward extrusion pressing mold 120, the side of material is provided with the tube portion of inner diameter hole
It can be moulded by backward extrusion.
Auxiliary backward extrusion pressing mold 130 is arranged close to main backward extrusion pressing mold 120, as illustrated in Fig. 2.Assist backward extrusion pressing mold
130 include: auxiliary backward extrusion pressing mold 131, passes through main backward extrusion pressing mold 120 using the receiving of individual transmission device (not shown)
The material of molding；And mold pin 131P, it is inserted into the inner diameter hole for being supplied to the material of auxiliary backward extrusion pressing mold 131, with
Backward extrusion molding is executed, so that the length of tube portion increases, as illustrated in Fig. 5.
When upper part of the press machine 133 to material presses, auxiliary backward extrusion can be performed.
During a circulate operation of auxiliary backward extrusion pressing mold 130, in the side of material, the tube portion of formation can be anti-
Compression moulding, to increase its length.
Preliminary fork pressing mold 140 is arranged close to auxiliary backward extrusion pressing mold 130, as illustrated in Fig. 2.Preliminary fork pressing mold 140 wraps
Include: preliminary fork pressing mold 141 is received using individual transmission device (not shown) and passes through what auxiliary backward extrusion pressing mold 130 moulded
Material；And press machine 143, it presses to the material for being supplied to preliminary fork pressing mold 141, is provided with being molded in the side of material
The preliminary fork of guide groove point, as illustrated in Fig. 6.
Preliminary fork pressing mold 141 is provided with the mold pin 141P being inserted into inner diameter hole.
During a tentatively circulate operation of fork pressing mold 140, preliminary fork point may be molded in another side form of material
Fork processed point.
It pitches pressing mold 150 to be arranged close to preliminary fork pressing mold 140, as illustrated in Fig. 2.Fork pressing mold 150 includes: fork pressing mold 151,
It receives the material moulded by tentatively fork pressing mold 140 using individual transmission device (not shown)；And press machine 153,
To the material pressure for being supplied to fork pressing mold 151, to mould fork point, as illustrated in Fig. 7.
Fork pressing mold 150 is provided with mold pin 151P, and mold pin 151P is inserted into inner diameter hole, to complete the shape of inner diameter hole
Shape.
During a circulate operation of fork pressing mold 150, fork point can be moulded in the other side of material.
Spline pressing mold 160 is arranged close to fork pressing mold 150, as illustrated in Fig. 2.Spline pressing mold 160 includes: spline pressing mold
161, the material moulded by fork pressing mold 150 is received using individual transmission device；And mold pin 161P, in its outer weekly form
Splined section 161P-a is provided on face, which is inserted into tube portion, to mould spline SP in tube portion, such as schemes
It is illustrated in 8.
During a circulate operation of spline pressing mold 160, spline SP can be formed in the tube portion of material.
When spline pressing mold 160 is more fully described, as illustrated in Fig. 9, the splined section 161P-a of mold pin 161P
Length be greater than tube portion inner diameter hole depth.
In addition, the splined section 161P-a of mold pin 161P has the cross for being wherein alternatively formed recess and protrusion
Section, and particularly, it is formed on splined section 161P-a corresponding with the side on the longitudinal direction of mold pin 161P
Along peripheral direction shoulder portion L1 and L2 outstanding.
In detail, as illustrated in Figure 12 and Figure 13, shoulder portion L1 and L2 include the longitudinal direction in mold pin 161P
A side end on the first shoulder part L1 that is formed and second separated with first shoulder part L1 towards the other side
Shoulder portion L2.First shoulder part L1 has the projecting height bigger than the second shoulder portion L2.
For example, when moulding spline SP under mold pin 161P is fully inserted into tube portion then extracted state,
There may be the part for being applied the pressure smaller than yield strength in material in tube portion, and this part can have and be resumed
To the attribute of original-shape, because there are still Hookean regions.Cause spline that cannot be formed as shape appropriate due to the above reasons,
Shape.
When first shoulder part L1 presses and deforms following part --- the part is carrying out pump-and-treat system again
When part be restored to original-shape, this is because while mold pin 161P is inserted into tube portion formed spline SP place
Hookean region is left on the part that material is in tube portion in reason --- so that spline SP is molded into just size
When, the part stayed in Hookean region is plastically deformed.
In detail, when mold pin 161P is inserted into tube portion, it is passed through in first shoulder part L1 in the part of material
It is restored to the diameter portion R (referring to Fig.1 3) smaller than the projecting height of first shoulder part L1 afterwards.However, mold pin 161P is in quilt
It presses again to the part that part is restored when pump-and-treat system, to generate plastic deformation.
That is, spline cannot be suitably formed in the case where the structure of no first shoulder part L1, because working as
When mold pin 161P is inserted into tube portion and then is extracted, the pressure ratio yield strength that the part of material is applied is small, therefore
Elasticity is restored to original-shape.However, to form spline, apply deformation twice when being provided with first shoulder part L1, and
Plastic deformation is generated, in whole region to form the correct shape of spline SP.
Second shoulder portion L2 can be used for being inserted into tube portion then extracted in mold pin 161P while be inserted into
In the state of in the splined section 161P-a formed by first shoulder part L1, the extraction of mold pin 161P is guided, and can be led to
Cross the shape that the second shoulder portion L2 properly forms spline SP.
Hereinafter, description is used into the method for above-mentioned bute yoke manufacturing device A manufacture bute yoke.
The method of the manufacture bute yoke of embodiment according to the present invention includes bute yoke forging molding process S100 and flower
Key forges molding process S200.
Bute yoke forges molding process S100 by the way that material to be inserted into mold and using press machine to institute's insertion material
It presses to mould the bute yoke including tube portion and fork point.For example, bute yoke forges molding process S100 can include: central fovea
Fall into molding process S110, main backward extrusion molding process S120, auxiliary backward extrusion molding process S130, preliminary fork molding process S140
With fork molding process S150.
Firstly, including central concave molding process S110, main backward extrusion molding process S120, auxiliary backward extruding die by description
Step S130, preliminary fork molding process S140 and the bute yoke forging molding process S100 for pitching molding process S150 processed.
Then central concave molding process S110 utilizes press machine to institute by supplying cutting material to center groove pressing mold
The cutting material of supply presses, and moulds center groove in the side of material.
For example, using above-mentioned 110 implementation center of center groove pressing mold recess molding process S110.
Main backward extrusion molding process S120 supplies material to main backward extrusion pressing mold, then moves mold pin in the forward direction
Dynamic, thus in the side of material, molding is provided with the tube portion of inner diameter hole.
For example, executing main backward extrusion molding process S120 using above-mentioned main backward extrusion pressing mold 120.
Backward extrusion molding process S130 is assisted to supply material to auxiliary backward extrusion pressing mold, then by mold pin in direction
Upper movement, is thus moulded, to increase the length of tube portion in the side of material.
For example, executing auxiliary backward extrusion molding process S130 using above-mentioned auxiliary backward extrusion pressing mold 130.
Preliminary fork molding process S140 supplies material to preliminary fork pressing mold, then presses to the material supplied, thus exists
The other side molding of material is provided with the preliminary fork point of guide groove.
For example, executing preliminary fork molding process S140 using above-mentioned preliminary fork pressing mold 140.
Then fork molding process S150 presses material supply to fork pressing mold to the material supplied, thus mould fork
Point, while inner diameter hole is moulded completely with mold pin.
For example, executing fork molding process S150 using above-mentioned fork pressing mold 150.
As described above, can be by including that central concave molding process S110, main backward extrusion molding process S120, auxiliary are instead squeezed
Pressure molding process S130, preliminary fork molding process S140 and the bute yoke forging molding process S100 for pitching molding process S150 carry out mould
System includes the bute yoke of tube portion and fork point.
After bute yoke forges molding process S100, executes spline and forge molding process S200.In detail, spline forges
Molding process S200 is by will be provided with the pipe portion of the mold pin 161P insertion bute yoke of splined section 161P-a in peripheral surface
In point, spline SP is moulded in tube portion.
For example, executing spline using above-mentioned spline pressing mold 160 forges molding process S200.
The splined section 161P-a of mold pin 161P has the cross section for being wherein alternatively formed recess and protrusion,
And edge is formed on the protrusion of splined section 161P-a corresponding with the side on the longitudinal direction of mold pin 161P
Peripheral direction shoulder portion L1 and L2 outstanding.
Particularly, shoulder portion L1 and L2 includes first formed on a side end of the longitudinal direction of mold pin 161P
Shoulder portion L1 and the second shoulder portion L2 separated with first shoulder part L1 towards the other side.First shoulder part L1
With the projecting height bigger than the second shoulder portion L2.
In addition, the length of the splined section 161P-a of mold pin 161P is greater than the depth of the inner diameter hole of tube portion.
Due to previously described in bute yoke manufacturing device A the shoulder portion L1 and L2 of mold pin 161P shape and
The length of splined section 161P-a, therefore be described in detail omitting.
Although the present invention has been particularly shown and described referring to attached drawing according to illustrative embodiments, this field
Those of ordinary skill is not it should be understood that can be the case where departing from the spirit and scope of the present invention of appended claim restriction
Under, it carries out various changes of form and details herein.
Claims (3)
1. a kind of for manufacturing the mold pin of bute yoke, which is provided with spline part in the peripheral surface of the mold pin
Point, to mould spline in the tube portion of bute yoke for including tube portion and fork point, wherein vertical with the mold pin
It is formed in the corresponding splined section in side in direction along peripheral direction shoulder portion outstanding.
2. mold pin according to claim 1, wherein the shoulder portion includes the longitudinal direction in the mold pin
The first shoulder part and the shape at the position separated with the first shoulder part towards the other side that one side end is formed
At the second shoulder portion.
3. mold pin according to claim 2, wherein the first shoulder part has bigger than second shoulder portion
Projecting height.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020160056355A KR101738936B1 (en) | 2016-05-09 | 2016-05-09 | Forming pin for manufacturing tube yoke |
| KR10-2016-0056355 | 2016-05-09 | ||
| PCT/KR2016/013211 WO2017195957A1 (en) | 2016-05-09 | 2016-11-16 | Mold pin for manufacturing tube yoke |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109070185A true CN109070185A (en) | 2018-12-21 |
| CN109070185B CN109070185B (en) | 2020-09-08 |
Family
ID=59051822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680085082.1A Active CN109070185B (en) | 2016-05-09 | 2016-11-16 | Die pin for manufacturing shaft tube fork |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3456431B1 (en) |
| KR (1) | KR101738936B1 (en) |
| CN (1) | CN109070185B (en) |
| WO (1) | WO2017195957A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101861070B1 (en) * | 2017-12-29 | 2018-05-28 | 이지원 | Manufacturing apparatus of insert type axis for hinge |
| CN108380688A (en) * | 2018-02-08 | 2018-08-10 | 江苏海宇机械有限公司 | Splined shaft cold extrusion processing mold and processing method |
| CN111347004A (en) * | 2020-04-01 | 2020-06-30 | 台州万特汽车零部件有限公司 | Cold extrusion pressing forming process for automobile universal joint fork integral piece |
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- 2016-11-16 CN CN201680085082.1A patent/CN109070185B/en active Active
- 2016-11-16 EP EP16901790.2A patent/EP3456431B1/en active Active
- 2016-11-16 WO PCT/KR2016/013211 patent/WO2017195957A1/en unknown
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2017195957A1 (en) | 2017-11-16 |
| KR101738936B1 (en) | 2017-05-26 |
| EP3456431A1 (en) | 2019-03-20 |
| EP3456431A4 (en) | 2020-02-19 |
| EP3456431B1 (en) | 2021-02-17 |
| CN109070185B (en) | 2020-09-08 |
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