CN106493186B - A kind of molding die of automobile steering device connecting rod - Google Patents
A kind of molding die of automobile steering device connecting rod Download PDFInfo
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- CN106493186B CN106493186B CN201611268223.1A CN201611268223A CN106493186B CN 106493186 B CN106493186 B CN 106493186B CN 201611268223 A CN201611268223 A CN 201611268223A CN 106493186 B CN106493186 B CN 106493186B
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- formed punch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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Abstract
The present invention provides a kind of molding dies of automobile steering device connecting rod, belong to field of mechanical technique.It solve the problems, such as the external form of existing automobile steering device connecting rod and internal spline need to be squeezed by several times, concentricity it is poor.The molding die of this automobile steering device connecting rod, including die holder and die head, mold core is equipped in die holder, there is type chamber in mold core, die head is located at the top of die holder, the lower end of die head is fixed with external form formed punch, die head lower end is additionally provided with spline formed punch, the lower end of external form formed punch is equipped with connecting hole, in the upper end insertion connecting hole of spline formed punch and spline formed punch upper end forms fixation by tight fit with external form formed punch, spline formed punch and external form formed punch are perpendicular, the lower end of spline formed punch extends downward into outside the lower end of external form formed punch, and the cross section of spline formed punch lower end is less than the cross section of external form formed punch.It has many advantages, such as can disposal molding connecting rod external form and internal spline, improve internal spline with connect club body concentricity.
Description
Technical field
The invention belongs to field of mechanical technique, are related to a kind of molding die more particularly to a kind of automobile steering device connecting rod
Molding die.
Background technique
Automobile steering system is most important to the traveling of automobile, and automobile can be made according to the wish control automobile of driver
Form direction, automobile turning pipe pillar assembly is most important component in automobile steering system, and connecting rod is then automobile steering pipe
One of core component in column assembly.
At present, automobile steering device connecting rod use be all squeeze external form, squeeze internal spline, machining processes processing and
At, specially first with mold by the external form extrusion forming of raw material blank be connecting rod, connecting rod external form molding after recycle
Mold carries out the extruding of internal spline to connecting rod, finally lathe is recycled to be machined out.This processing method will be due to that will connect
The external form and internal spline of bar are divided into carries out extrusion forming twice, causes manufacturing procedure more, the process-cycle of product is longer, enterprise
Production efficiency is low, and is squeezed benchmark disunity when even more can to squeeze every time by several times, so as to cause internal spline
It is poor with the concentricity of the shaft of connecting rod.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, propose a kind of automobile steering device connecting rod
Molding die, the technical problem to be solved is that how to realize disposal molding to the external form and internal spline of connecting rod, raising connects
The internal spline of extension bar and the concentricity of shaft.
Object of the invention can be realized by the following technical scheme:
A kind of molding die of automobile steering device connecting rod, including die holder and die head, the die holder is interior to be equipped with mold core, mould
In-core has type chamber, and the die head is located at the top of die holder, and the lower end of the die head is fixed with external form formed punch, and feature exists
In the die head lower end is additionally provided with spline formed punch, and the lower end of the external form formed punch is equipped with connecting hole, the spline formed punch
Upper end insertion connecting hole in and spline formed punch upper end and external form formed punch fixation formed by tight fit, the spline formed punch and
External form formed punch is perpendicular, and the lower end of the spline formed punch extends downward into outside the lower end of external form formed punch, and spline formed punch lower end
Cross section be less than external form formed punch cross section.
When manufacturing connecting rod, raw material blank is placed on die holder, die head is then pushed.Since the lower end of die head is connected with
External form formed punch and spline formed punch, spline formed punch upper end insertion external form formed punch lower end connecting hole in and spline formed punch upper end with
External form formed punch forms fixation by tight fit, thus spline formed punch is mutually fixed together with external form formed punch, the flower when die head pushes
Key formed punch and external form formed punch can synchronize move down.The lower end of spline formed punch extends downward into outside the lower end of external form formed punch, spline formed punch
Perpendicular with external form formed punch and spline formed punch cross section is less than the cross section of external form formed punch, therefore presses to external form punching in die head
When the type that raw material blank is squeezed into mold core by head is intracavitary, spline formed punch can be extend into the inner hole of raw material blank.Due in mold core
With type chamber corresponding with the shape of automobile steering device connecting rod, thus raw material blank be squeezed into mold core type it is intracavitary after can quilt
The inner wall of type chamber is squeezed into the external form of connecting rod, and the inner hole extruding of raw material blank then can be formed interior flower simultaneously by spline formed punch
Key.
Need to guarantee that the cross section of external form formed punch is greater than the cross section of spline formed punch lower end when manufacturing mold, in this way in mould
Head can guarantee that spline formed punch will not be interfered with external form formed punch when pushing, that is, indicate when spline formed punch squeezes internal spline not
It influences whether that raw material blank is pressed into mold core by external form formed punch and squeezes external form, be able to successfully realize connecting rod external form and internal spline
One-pass molding.By the effect of external form formed punch and spline formed punch, the molding die of automobile steering device connecting rod is made to realize company
The external form of extension bar and the disposal molding of internal spline, thereby reduce the manufacturing procedure of connecting rod, shorten the process-cycle, very well
Ground improves the production efficiency of enterprise, and can guarantee the concentricity of the shaft of internal spline and connecting rod well.
In the molding die of above-mentioned automobile steering device connecting rod, the lower end of the spline formed punch has press section,
There is external splines, and press section is equipped with the arc-shaped and flank of tooth two on external splines on the outside of the press section.
On the external splines of the press section of spline formed punch setting and the flank of tooth two, can raw material blank inner hole extruding at
Same and tooth is formed on internal spline, to make connecting rod in the external form of realizing disposal molding connecting rod using this mold and interior
Requirement of the connecting rod for phase angle can also be met while spline.
In the molding die of above-mentioned automobile steering device connecting rod, the connecting hole is internal splined hole, the flower
The upper end of key formed punch has engaging portion, and the outside of the engaging portion has external splines and engaging portion and connecting hole pass through tight fit
Mode forms fixation, has the arc-shaped and flank of tooth three on the inner wall of the connecting hole, the engaging portion is on external splines
It is correspondingly provided with and the flank of tooth one, the described and flank of tooth two is flush with the simultaneously flank of tooth one along the axial direction of spline formed punch.
Due to having on the inner wall of the connecting hole of external form formed punch, simultaneously the flank of tooth three, spline formed punch are set on the external splines of engaging portion
There is the simultaneously flank of tooth one, and the flank of tooth one is flush on the press section and flank of tooth two along the axial direction of spline formed punch, and the position of the flank of tooth three
It sets and is fixed and invariable, then external form formed punch matched by the engaging portion with external splines with connecting hole with spline formed punch
Form formed it is fixed after, and the position of the flank of tooth two is also with regard to being fixed naturally, to can just make the internal spline in connecting rod
After extrusion forming thereon and tooth position set the requirement for being determined to meet connecting rod for phase angle.For this molding die one
For secondary property molding connecting rod external form and internal spline, since connecting rod has the requirement for meeting phase angle by internal spline,
Have when external form formed punch to be integrated together with spline formed punch for position on spline formed punch press section and the flank of tooth two
High requirement is configured on the connecting hole on external form formed punch and the flank of tooth three the position when manufacturing mold, Neng Gou
Connecting rod after making forming when molding is all satisfied the requirement of external form and internal spline.
In the molding die of above-mentioned automobile steering device connecting rod, the external form formed punch is in blocky and external form formed punch
Side is arc-shaped, and the described and flank of tooth three is located at the side being arc-shaped on connecting hole far from external form formed punch, and the flank of tooth three
On circular arc vertex and external form formed punch be arc-shaped the dome point of side and be located on the same line.
Since connecting hole is internal splined hole, the position of the simultaneously flank of tooth three is determined on internal splined hole in the case where no design basis
It is very difficult for setting, therefore sets arc-shaped for the side of external form formed punch, processing and tooth in this way on the inner wall of connecting hole
On the basis of the circular arc vertex of side can be arc-shaped by external form formed punch when face three, can just it be determined simultaneously in processing in this way
Then position of the flank of tooth three on connecting hole inner wall can rush spline after spline formed punch is matched with external form formed punch with regard to natural
On the press section of the head and position of the flank of tooth two is decided, then in connecting rod on the internal spline of extrusion forming and tooth position
It sets and is also just determined.
In the molding die of above-mentioned automobile steering device connecting rod, the spline formed punch press section and engaging portion it
Between have interconnecting piece in the shape of a rod, the press section it is identical as the outer diameter of engaging portion and be greater than interconnecting piece outer diameter.
Press section is identical as the outer diameter of engaging portion, then on engaging portion and the flank of tooth once with engaging portion and the flank of tooth three hold
Easily guarantee that the axial direction along spline formed punch is flush, simultaneously because engaging portion, which is played, passes through tight fit with the connecting hole on external form formed punch
Fixed effect is formed, and press section is to play the role of forming the inner hole extruding on raw material blank internal spline, therefore tie
The outer diameter that interconnecting piece and interconnecting piece are less than engaging portion and press section is set between conjunction portion and press section, guarantee spline formed punch with
External form formed punch match can also guarantee while realizing disposable extrusion forming connecting rod external form and internal spline press section into
Enter or exits all more smooth when the inner hole of raw material blank.
In the molding die of above-mentioned automobile steering device connecting rod, the connecting hole through external form formed punch up and down two
End, the lower end edge of the press section have the guide surface one of taper, and the lower end edge of the engaging portion has taper
Guide surface three.
In assembly, spline formed punch is passed through into connecting hole from the top of external form formed punch, due to spline formed punch needs and external form
Formed punch forms fixation by the engaging portion with external splines and connecting hole tight fit, therefore is set by the lower end edge in engaging portion
The guide surface three for setting taper, enables the engaging portion of spline formed punch successfully to imported into connecting hole, and under press section
End edge is also same reason along setting guide surface three, in addition, since raw material blank is in the type for being pressed into mold core by external form blank
It will receive inside extruding force when intracavitary, therefore guide surface three can also enable press section successfully imported into raw material blank
Internal spline is formed in inner hole to squeeze.
In the molding die of above-mentioned automobile steering device connecting rod, the upper end edge of the press section has taper
Guide surface two.
The guide surface of taper is set at the lower end edge of press section second is that in order to form interior flower in the inner hole of raw material blank
The press section of spline formed punch can be successfully set to withdraw from the inner hole of raw material blank after key.
In the molding die of above-mentioned automobile steering device connecting rod, it is provided in the axial direction with and runs through on the spline formed punch
Gas vent.
Due to the raw material blank side by the press section of the extruding and spline formed punch of the type cavity wall of mold core at the time of molding
Therefore the extruding of wall in order to enable connecting rod smoothly to form, makes raw material blank by the way that gas vent is arranged on spline formed punch
Inner hole in air be discharged from gas vent, to prevent the air being extruded from causing shadow to the molding of the internal spline of connecting rod
It rings, this more successfully realizes connecting rod external form and internal spline also for enabling the molding die of this automobile steering device connecting rod
Disposal molding.
Compared with prior art, this automobile steering device connecting rod is realized by integrating spline formed punch on external form formed punch
The external form of connecting rod and the disposal molding of internal spline, reduce the manufacturing procedure of connecting rod, shorten the process-cycle, well
Improve the production efficiency of enterprise, and due to reducing extrusion process, well ensure internal spline after molding with connect
The concentricity of the shaft of bar, but also the tolerance of connecting rod in process is more stable and accurate；In addition, by external form formed punch
Fixation is formed by way of the engaging portion with external splines is matched with connecting hole with spline formed punch, and the position of the flank of tooth two is also
Naturally be fixed, thus can just make the internal spline in connecting rod after extrusion forming thereon and tooth position set and be determined to
Meet requirement of the connecting rod for phase angle.
Detailed description of the invention
Fig. 1 is the longitudinal sectional view of the molding die of this automobile steering device connecting rod.
Fig. 2 is the explosive view in the molding die of this automobile steering device connecting rod at die head.
Fig. 3 is the transverse sectional view in the molding die of this automobile steering device connecting rod at external form formed punch and spline formed punch.
Fig. 4 is the schematic diagram of spline formed punch in the molding die of this automobile steering device connecting rod.
In figure, 1, die holder；1a, die holder one；1b, die holder two；1c, die holder three；2, die head；3, mold core；3a, type chamber；3b, mould
Core one；3c, mold core two；3d, mold core three；4, external form formed punch；4a, connecting hole；4a1 and the flank of tooth three；5, spline formed punch；5a, combination
Portion；5a1 and the flank of tooth one；5a2, guide surface three；5b, press section；5b1, guide surface one；5b2, guide surface two；5b3 and the flank of tooth
Two；5c, interconnecting piece；5d, gas vent；6, positioning sleeve；6a, pilot hole.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, a kind of molding die of automobile steering device connecting rod, including die holder 1 and die head 2, die holder 1
Interior to be equipped with mold core 3, the inside of mold core 3 has the type chamber 3a to match with the external form of connecting rod.Die head 2 is located at the top of die holder 1,
The lower end of die head 2 is equipped with external form formed punch 4, and positioning sleeve 6 is equipped in die head 2, is equipped with and external form formed punch 4 at the center of positioning sleeve 6
The pilot hole 6a that shape matches, the upper end of external form formed punch 4 are fixed in pilot hole 6a, and die head 2 is stretched out in the lower end of external form formed punch 4
Outside lower end.In the present embodiment, die holder 1 includes three 1c of one 1a of die holder, two 1b of die holder and die holder, and one 1a of die holder, die holder two
1b and three 1c of die holder are from top to bottom stacked, and mold core 3 includes three 3d of one 3b of mold core, two 3c of mold core and mold core, and one 3b of mold core is set
It being placed in one 1a of die holder, two 3c of mold core is set in two 1b of die holder, and three 3d of mold core is set in three 1c of die holder, and one 3b of mold core,
The inner cavity of three 3d of two 3c of mold core and mold core forms the type chamber 3a of entire mold core 3, since the length of connecting rod is longer, and die holder 1
Length it is too long and can not process, therefore die holder 1 is divided and is processed for one 1a of die holder, two 1b of die holder and three 1c of die holder,
It stacks one 1a of die holder, two 1b of die holder and three 1c of die holder to form entire die holder 1 again when use.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the lower end of die head 2 is additionally provided with spline formed punch 5, the company of offering on external form formed punch 4
Hole 4a is met, spline formed punch 5 is in the shape of a rod, and it is internal spline that the upper end of spline formed punch 5, which has the engaging portion 5a with external splines, connecting hole 4a,
Hole, engaging portion 5a is inserted into connecting hole 4a and engaging portion 5a and external form formed punch 4 form fixation by tight fit.Engaging portion 5a's
There is guide surface three 5a2, connecting hole 4a of taper to run through the upper and lower ends of external form formed punch 4 at lower end edge.In assembly, by spline
Formed punch 5 passes through connecting hole 4a from the top of external form formed punch 4, since spline formed punch 5 is needed with external form formed punch 4 by with external splines
Engaging portion 5a and connecting hole 4a tight fit form fixation, also mean that be interference fit between engaging portion 5a and connecting hole 4a, because
This three 5a2 of guide surface by the way that taper is arranged in the lower end edge of engaging portion 5a, enables the engaging portion 5a of spline formed punch 5
It successfully imported into connecting hole 4a.
The lower end of spline formed punch 5 extends downward into outside the lower end of external form formed punch 4, and the cross section of 5 lower end of spline formed punch is thrown
The cross section for penetrating 5 lower end of spline formed punch when on the cross section in external form formed punch 4 is located in the cross section of external form formed punch 4.Spline punching
First 5 lower end has the press section 5b with external splines, and the lower end edge of press section 5b has one 5b1 of guide surface of taper, squeezes
The upper end edge of portion 5b has two 5b2 of guide surface of taper, since spline formed punch 5 is by the external splines on press section 5b to original
The inner hole side wall of material blank is squeezed and forms internal spline, therefore in the guiding of the lower end edge of press section 5b setting taper
One 5b1 of face is conducive in the inner hole that spline formed punch 5 can smoothly enter into raw material blank when die head 2 pushes, while squeezing
Portion 5b lower end edge setting taper two 5b2 of guide surface be in order in the inner hole of raw material blank formed internal spline after can be suitable
Withdraw spline formed punch 5 from the inner hole of raw material blank.Spline formed punch 5 has between press section 5b and engaging portion 5a
Interconnecting piece 5c in the shape of a rod, press section 5b are identical as the outer diameter of engaging portion 5a and are greater than the outer diameter of interconnecting piece 5c.
When manufacturing connecting rod, raw material blank is placed on die holder 1, then pushes die head 2.Due to the lower end of die head 2
It is connected with external form formed punch 4 and spline formed punch 5, the lower end of spline formed punch 5 extends downward into outside the lower end of external form formed punch 4, and flower
The cross section that the cross section of 5 lower end of key formed punch is incident upon 5 lower end of spline formed punch when on the cross section of external form formed punch 4 is located at external form punching
In first 4 cross section, therefore external form formed punch 4 can squeeze into raw material blank in mold core 3, while spline formed punch 5 is inserted into pulled wool
In the inner hole of base.Due to having type chamber 3a corresponding with the shape of automobile steering device connecting rod, raw material blank in mold core 3
The external form of connecting rod can be squeezed into after being squeezed into the type chamber 3a of mold core 3 by the inner wall of type chamber 3a.And due under spline formed punch 5
There is the press section 5b with external splines, the press section 5b of spline formed punch 5 can form internal spline to the inner hole extruding of raw material blank at end,
So, it is squeezed out in the inner hole of raw material blank again while the external form of raw material blank is extruded to form connecting rod external form
Internal spline comes.
Spline formed punch 5 is equipped with arc-shaped and one 5a1 of the flank of tooth, the connection of external form formed punch 4 on the external splines of engaging portion 5a
The inner wall of hole 4a is equipped with arc-shaped and three 4a1 of the flank of tooth, and three 4a1 of the flank of tooth and simultaneously one 5a1 of the flank of tooth fits.Spline formed punch 5
Arc-shaped and two 5b3 of the flank of tooth is equipped on the external splines of press section 5b, and two 5b3 of the flank of tooth and simultaneously one 5a1 of the flank of tooth is along spline
The axial direction of formed punch is flush.Setting and two 5b3 of the flank of tooth on the external splines of the press section 5b of spline formed punch 5, can be in pulled wool
The inner hole extruding of base at internal spline on form same and tooth, so that connecting rod be made to meet the requirement for phase angle.Meanwhile
Due to having simultaneously three 4a1 of the flank of tooth on the inner wall of the connecting hole 4a of external form formed punch 4, spline formed punch 5 is on the external splines of engaging portion 5a
Equipped with simultaneously one 5a1 of the flank of tooth, and on one 5a1 of the flank of tooth and press section 5b and two 5b3 of the flank of tooth is flush along the axial direction of spline formed punch,
And the position of three 4a1 of the flank of tooth is fixed and invariable, then external form formed punch 4 and spline formed punch 5 are passed through the combination with external splines
Portion 5a and the connecting hole 4a form matched formed it is fixed after, and the position of two 5b3 of the flank of tooth is also with regard to being fixed naturally, thus
Can just make the internal spline in connecting rod after extrusion forming thereon and tooth position set and be determined to meet connecting rod for phase
The requirement at angle.In the present embodiment, external form formed punch 4 is arc-shaped in blocky and external form formed punch 4 side, and the flank of tooth three 4a1
At the side being arc-shaped on connecting hole 4a far from external form formed punch 4, and the circular arc vertex on three 4a1 of the flank of tooth and external form formed punch 4
The dome point for being arc-shaped side is located on the same line.It sets arc-shaped for the side of external form formed punch 4, is connecting in this way
On the basis of the circular arc vertex of side can be arc-shaped by external form formed punch 4 when processing simultaneously three 4a1 of the flank of tooth on the inner wall of hole 4a, this
Sample can just be determined in processing and position of three 4a of the flank of tooth on connecting hole 4a1 inner wall, then when spline formed punch 5 and external form
Formed punch 4 matches can decide the position on the press section 5b of spline formed punch 5 and two 5b3 of the flank of tooth with regard to natural afterwards, that
In connecting rod on the internal spline of extrusion forming and tooth position set and be also just determined.
In addition, as shown in Fig. 2, along being axially arranged with perforative gas vent 5d on spline formed punch 5, due to raw material blank at
Extruding when type by the side wall of the press section 5b of the extruding and spline formed punch 5 of the type cavity wall of mold core 3, therefore, in order to make
Connecting rod can be formed smoothly, by the air that is arranged in inner hole of the gas vent 5d to make raw material blank on spline formed punch 5 from
It is discharged in gas vent 5d, to prevent the air being extruded from impacting to the molding of the internal spline of connecting rod.
The molding die of this automobile steering device connecting rod is realized by integrating external form formed punch 4 and spline formed punch 5
The external form of connecting rod and the disposal molding of internal spline, reduce the manufacturing procedure of connecting rod, shorten the process-cycle, very well
Ground improves the production efficiency of enterprise, and due to reducing extrusion process, improves internal spline after molding and company well
The concentricity of the shaft of extension bar, but also the tolerance of connecting rod in process is more stable and accurate.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of molding die of automobile steering device connecting rod, including die holder (1) and die head (2), the die holder (1) is interior to be equipped with
Mold core (3), mold core (3) is interior to have type chamber (3a), and the die head (2) is located at the top of die holder (1), the die head (2)
Lower end is fixed with external form formed punch (4), and die head (2) lower end is additionally provided with spline formed punch (5), and the lower end of external form formed punch (4) is equipped with connection
Upper end insertion connecting hole (4a) in hole (4a), spline formed punch (5) is interior, and spline formed punch (5) and external form formed punch (4) are perpendicular, spline
The lower end of formed punch (5) extends downward into outside the lower end of external form formed punch (4), and the cross section of spline formed punch (5) lower end is less than external form
The cross section of formed punch (4), which is characterized in that spline formed punch (5) upper end forms fixation by tight fit with external form formed punch (4), flower
The lower end outside of key formed punch (5) is equipped with the arc-shaped and flank of tooth two (5b3), have on the inner wall of connecting hole (4a) it is arc-shaped and
The upper end outside of the flank of tooth three (4a1), spline formed punch (5) is correspondingly provided with and the flank of tooth one (5a1), and the flank of tooth two (5b3) and the simultaneously flank of tooth
One (5a1) is flush along the axial direction of spline formed punch (5), and the side of external form formed punch (4) is arc-shaped, and on the flank of tooth three (4a1)
The dome point that circular arc vertex is arc-shaped side with external form formed punch (4) is located on the same line.
2. the molding die of automobile steering device connecting rod according to claim 1, which is characterized in that the spline formed punch
Lower end there is press section (5b), there is external splines, and simultaneously the flank of tooth two (5b3) is set to press section on the outside of the press section (5b)
On the external splines of (5b).
3. the molding die of automobile steering device connecting rod according to claim 2, which is characterized in that the connecting hole
(4a) is internal splined hole, and the upper end of the spline formed punch (5) has engaging portion (5a), and the outside of the engaging portion (5a) has
There are external splines and engaging portion (5a) and connecting hole (4a) to form fixation by tight fit mode, and the flank of tooth one (5a1) is set to and combines
On the external splines in portion (5a).
4. the molding die of automobile steering device connecting rod according to claim 2, which is characterized in that the external form formed punch
(4) in bulk, the described and flank of tooth three (4a1) is located at the side being arc-shaped on connecting hole (4a) far from external form formed punch (4).
5. according to the molding die of automobile steering device connecting rod described in Claims 2 or 3 or 4, which is characterized in that the flower
Key formed punch (5) has interconnecting piece (5c) in the shape of a rod, the press section (5b) between press section (5b) and engaging portion (5a)
Outer diameter that is identical as the outer diameter of engaging portion (5a) and being greater than interconnecting piece (5c).
6. the molding die of automobile steering device connecting rod according to claim 3, which is characterized in that the connecting hole
(4a) runs through the upper and lower ends of external form formed punch (4), and the lower end edge of the press section (5b) has the guide surface one of taper
(5b1), the lower end edge of the engaging portion (5a) have the guide surface three (5a2) of taper.
7. according to the molding die of automobile steering device connecting rod described in Claims 2 or 3 or 4, which is characterized in that described squeezes
The upper end edge of splenium (5b) has the guide surface two (5b2) of taper.
8. the molding die of automobile steering device connecting rod according to claim 1, which is characterized in that the spline formed punch
(5) perforative gas vent (5d) is provided in the axial direction on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268223.1A CN106493186B (en) | 2016-12-31 | 2016-12-31 | A kind of molding die of automobile steering device connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268223.1A CN106493186B (en) | 2016-12-31 | 2016-12-31 | A kind of molding die of automobile steering device connecting rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106493186A CN106493186A (en) | 2017-03-15 |
| CN106493186B true CN106493186B (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611268223.1A Active CN106493186B (en) | 2016-12-31 | 2016-12-31 | A kind of molding die of automobile steering device connecting rod |
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| CN (1) | CN106493186B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113894169B (en) * | 2021-09-30 | 2024-03-29 | 重庆建设工业(集团)有限责任公司 | Method for processing small-modulus long and thin external spline on thin-walled tube |
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| CN1817554A (en) * | 2006-03-16 | 2006-08-16 | 钱宗富 | Directional axial conical standpipe process of motorcycle by disposable cold extruding formative machining |
| JP2011206824A (en) * | 2010-03-30 | 2011-10-20 | Aisin Aw Co Ltd | Spline forming apparatus and forming method |
| CN202667299U (en) * | 2012-07-23 | 2013-01-16 | 贵州航天精工制造有限公司 | Device for processing straight grain pattern of bolt |
| CN103230950A (en) * | 2013-05-09 | 2013-08-07 | 无锡市神力齿轮冷挤有限公司 | Spline gear cold extrusion one-step molding device |
| CN203343347U (en) * | 2013-07-11 | 2013-12-18 | 江苏森威精锻有限公司 | Internal spline cold extrusion punch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206676942U (en) * | 2016-12-31 | 2017-11-28 | 浙江汇丰汽配制造有限公司 | A kind of mould of automobile steering device connecting rod |
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2016
- 2016-12-31 CN CN201611268223.1A patent/CN106493186B/en active Active
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| CN1478617A (en) * | 2003-07-29 | 2004-03-03 | 杭州南方特种泵厂 | Water pump spline shaft extrusion shaping mould and shaping method |
| CN1817554A (en) * | 2006-03-16 | 2006-08-16 | 钱宗富 | Directional axial conical standpipe process of motorcycle by disposable cold extruding formative machining |
| JP2011206824A (en) * | 2010-03-30 | 2011-10-20 | Aisin Aw Co Ltd | Spline forming apparatus and forming method |
| CN202667299U (en) * | 2012-07-23 | 2013-01-16 | 贵州航天精工制造有限公司 | Device for processing straight grain pattern of bolt |
| CN103230950A (en) * | 2013-05-09 | 2013-08-07 | 无锡市神力齿轮冷挤有限公司 | Spline gear cold extrusion one-step molding device |
| CN203343347U (en) * | 2013-07-11 | 2013-12-18 | 江苏森威精锻有限公司 | Internal spline cold extrusion punch |
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| CN106493186A (en) | 2017-03-15 |
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Address after: 317600 Jiefangtang Farm, Yucheng Street, Yuhuan City, Zhejiang Province Patentee after: Zhejiang Huifeng Automobile Parts Co., Ltd. Address before: 317600 Jiefangtang Farm, Yucheng Street, Yuhuan County, Taizhou City, Zhejiang Province Patentee before: Zhejiang Huifeng Autoparts MFG Co., Ltd. |
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Denomination of invention: A forming die for connecting rod of automobile steering gear Effective date of registration: 20210531 Granted publication date: 20190322 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: ZHEJIANG HUIFENG AUTO PARTS Co.,Ltd. Registration number: Y2021980004124 |
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