CN105170813B - Three-section flaring die for automobile steering column - Google Patents
Three-section flaring die for automobile steering column Download PDFInfo
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- CN105170813B CN105170813B CN201510412908.8A CN201510412908A CN105170813B CN 105170813 B CN105170813 B CN 105170813B CN 201510412908 A CN201510412908 A CN 201510412908A CN 105170813 B CN105170813 B CN 105170813B
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Abstract
The invention discloses a three-section flaring die for an automobile steering column. The three-section flaring die comprises a die frame. The die frame comprises an upper die seat and a lower die seat which are arranged in parallel in an up-and-down spaced manner, a central spindle vertically arranged on the lower die seat, a die pressing seat which is arranged between the upper die seat and the lower die seat and is capable of reciprocating in the vertical direction, an upper die plate fixedly arranged on the lower end face of the die pressing seat, and a necking die pressed on the lower plate face of the upper die plate through a die sleeve. The three-section flaring die has the beneficial effects that the forming effect of the automobile steering column pressed by the three-section flaring die is good, deformation is not likely to occur in the die pressing process, the coaxiality of a necked opening of the automobile steering column and a pipe body part is high, and precise assembly is ensured.
Description
Technical field
The present invention relates to machined die technical field, more particularly to a kind of three lobe flaring die of car steering tube column.
Background technology
Car steering tube column is the vitals of automobile steering system.Steering wheel is connect on car steering tube column, under switch through to
Machine, plays a part of to form a connecting link, and during normal use carries the task of the torque that steering wheel is transmitted being passed to steering machine, separately
The electronic building bricks such as conventional cubicle switch has been attached on outer tubing string also.
Car steering tube column is round tube shape structure, and one end of car steering tube column needs to process to form necking using mould,
But the molding effect of the existing compacting tool set for processing necking on car steering tube column is poor, during pressing mold easily
So that car steering tube column produces deformation, the necking processed by which is low with body portion axiality, affects motor turning
The assembling of tubing string.
For this purpose, applicant carried out beneficial exploration and trial, have found result of the above problems, will be detailed below being situated between
The technical scheme for continuing is produced under this background.
The content of the invention
The technical problem to be solved：There is provided for the deficiencies in the prior art a kind of molding effect it is good, pressure
Necking and high three lobe of car steering tube column of body portion axiality of deformation and its machine-shaping are not likely to produce in mold process
Flaring die.
Technical problem solved by the invention can employ the following technical solutions to realize：
A kind of three lobe flaring die of car steering tube column, including：
One mould bases, the mould bases include the upper bolster and die shoe for going to upper and lower parallel interval setting；
One is vertically arranged in the mandrel on the die shoe, and the mandrel includes first, for being sequentially connected from the bottom to top
2nd, the 3rd section of axis body, the diameter of first, second, third section of axis body are reduced successively, between first, second section of axis body
A support level is formed, between second, third section of axis body, passes through an outer conical surface transition；
One is arranged between the upper and lower die holder and being capable of vertically reciprocating stamper seat；
One is fixedly installed on the upper die plate on the lower surface of the stamper seat；And
One is fitted in the reducing die on the lower face of the upper die plate by die sleeve, and one and institute are formed with the reducing die
The coaxial axial passage of mandrel is stated, the under shed of the axial passage is formed between one and second, third section of axis body
The internal conical surface that outer conical surface cooperates；
During pressing mold, car steering tube column is inserted on second, third section of axis body of the mandrel and its lower surface is supported on
On the support level formed between first, second section of axis body, drive the stamper seat to move vertically downwards, drive
The axial passage of the reducing die is enclosed within the mandrel, until the internal conical surface and the core of the lower opening of the reducing die
Outer conical surface on axle is formed till coordinating so that inner peripheral surface and institute of the car steering tube column in the axial passage of the reducing die
Necking is formed between the outer peripheral face for stating mandrel.
In a preferred embodiment of the invention, also the stamper seat is moved through vertically downwards including one
Outer conical surface in journey on internal conical surface and the mandrel of the lower opening of the reducing die forms determining of stopping when coordinating
Position mechanism.
In a preferred embodiment of the invention, the detent mechanism includes：
Between one is arranged in supporting jacket casing on the die shoe and coaxial with the mandrel, the supporting jacket casing circumferentially
Every being provided with some positioning axial passages；
One be arranged on it is described supporting jacket casing on supporting plate, offer on the supporting plate one it is coaxial with the mandrel and supply it is described
The supporting plate through hole that mandrel is passed through, is arranged at intervals with around the periphery of the supporting plate through hole on the supporting plate some with the locating shaft
To supporting plate positioning through hole of the passage in one-to-one relationship；
One is arranged on mould under the positioning on the supporting plate, and under the positioning, mould is enclosed by least two petal blocks and formed, each
The medial surface of petal block is a fan-shaped cylinder, and its lateral surface is a fan-shaped conical surface, and the fan-shaped cylinder of each petal block encloses rear shape
Mandrel described in Cheng Yiyu is coaxial and the column type through hole that is engaged with the outer peripheral face of the mandrel, the fan-shaped conical surface of each petal block
Up-small and down-big and coaxial with a mandrel outer conical surface is formed after enclosing；
It is some with the supporting plate on spring hanger link of the supporting plate positioning through hole in one-to-one relationship, the spring hanger link
Upper end is fixedly connected on the lower face of the upper die plate, and its lower end extends downwardly；
One slides is sleeved on tapered sleeve on some spring hanger links, be provided with the tapered sleeve one it is up-small and down-big and with institute
State the inner conical face that outer conical surface is engaged；And
It is some to be sleeved on the spring hanger link and the spring between the upper die plate and tapered sleeve, the spring it is upper
End is resisted against on the lower face of the upper die plate, and its lower end is resisted against on the tapered sleeve.
In a preferred embodiment of the invention, under the positioning, mould is enclosed by three pieces of petal blocks and is formed, one of
Petal block is fixedly installed on the supporting plate, is each provided with one handle in addition on the lateral surface of two pieces of petal blocks.
In a preferred embodiment of the invention, a sector notch portion is formed with the supporting jacket casing, described
On supporting plate, the position corresponding with the sector notch portion of the supporting jacket casing offers a sector notch.
In a preferred embodiment of the invention, also including a mandrel seat, the mandrel seat includes that one is fixedly installed on
Mandrel seat board and the abutment sleeve being integrally formed on the mandrel seat board on the die shoe, the abutment sleeve is along footpath
To a pair of abutment sleeve through holes are offered, the lower end of the mandrel extends axially outwardly out an installation projection, and the installation is convex
A radial direction through hole is offered on post；During installation, the projection of installing of mandrel lower end is inserted in the abutment sleeve of the mandrel seat,
And a pair of abutment sleeve through holes of the abutment sleeve are alignd with the radial direction through hole on the installation projection, using connection spiral shell
Bolt passes through the radial direction through hole on a pair of abutment sleeve through holes and the installation projection of abutment sleeve, so as to the mandrel is fixed
On the mandrel seat.
In a preferred embodiment of the invention, a pressing mold coaxial with the mandrel is offered on the stamper seat
Seat axially extending bore, offers a upper die plate axially extending bore coaxial with the mandrel, on the upper die plate in the stamper seat
A bushing is provided with axially extending bore, is slided in the bushing and is provided with a push rod, the upper end of the push rod upwardly extends dew
Go out the upper surface of the stamper seat and be formed with a radial direction defining flange, the lower end of the push rod extends downwardly through the upper mould
The axial passage of the reducing die is stretched in the axial passage of the reducing die and is extended to after the upper die plate axially extending bore of plate
Lower opening.
As a result of technical scheme as above, the beneficial effects of the present invention is：The automobile suppressed using the present invention
The good forming effect of steering column, during pressing mold does not allow to be also easy to produce deformation, and its necking is high with body portion axiality, it is ensured that
Accurate assembly.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described.
Fig. 1 is structural representation of the present invention after car steering tube column is inserted in but when upper bolster is non-depressed.
Fig. 2 is working state figure of the present invention when necking is held tightly.
Fig. 3 is the A-A of Fig. 1 to sectional view.
Fig. 4 is the B-B direction sectional view of Fig. 1.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to accompanying drawing, a kind of three lobe flaring die of car steering tube column of the present invention, including mould bases 100, mandrel seat 200,
Mandrel 300, stamper seat 400, upper die plate 500, die sleeve 600 and reducing die 700.
Mould bases 100 includes going to upper and lower the upper bolster 110 and die shoe 120 of parallel interval setting, upper bolster 110 with
A pair of connecting poles 130 are provided between die shoe 120, the upper end of a pair of connecting poles 130 is fixed on mould by fixing bolt 131
On seat 110, its lower end is fixed on die shoe 120 by fixing bolt 132, for upper bolster 110 and die shoe 120 are connected
Connect.
Mandrel seat 200 by one by bolt 211 be fixedly installed on the mandrel seat board 210 on die shoe 110 and one into
Abutment sleeve 220 of the type on mandrel seat board 210 is constituted, and radially offers a pair of abutment sleeves and lead on abutment sleeve 220
Hole 221.
Mandrel 300 includes the first, second, third section of axis body 310,320,330 being sequentially connected from the bottom to top, first,
2nd, the diameter of the 3rd section of axis body 310,320,330 is reduced successively, wherein, one is formed between first, second section of axis body 310,320
Support level 340, passes through 350 transition of an outer conical surface between second, third section of axis body 320,330.In the lower end edge of mandrel 300
An installation projection 360 is extended axially outward out, to be installed and a radial direction through hole 361 is offered on projection 360.During installation, by mandrel 300
The projection 360 of installing of lower end is inserted in the abutment sleeve 220 of mandrel seat 200, and causes a pair of positioning sleeves of abutment sleeve 220
Cylinder through hole 221 aligns with the radial direction through hole 361 on projection 360 is installed, and passes through the one of abutment sleeve 220 using connecting bolt 370
To nut of screwing on after the radial direction through hole 361 on abutment sleeve through hole 221 and installation projection 360, so as to mandrel 300 is vertically fixed
On mandrel seat 200.
Stamper seat 400 is arranged between upper and lower die holder 110,120 and vertically can move back and forth.Stamper seat 400
On be vertically arranged with a pair of slide bars 440, the upper end of a pair of slide bars 440 is extended a distance into upwards through after upper bolster 110, one
One connecting plate 450 is provided with to the upper end of slide bar 440, the connecting plate 450 is connected with drive mechanism (not shown), stamper seat
400 vertically move back and forth under the driving of drive mechanism.Upper die plate 500 is fixedly installed on the lower surface of stamper seat 400
On.Reducing die 700 is fitted on the lower face of upper die plate 500 by die sleeve 600.One is formed with reducing die 700 with mandrel 300
Coaxial axial passage 710, the under shed of axial passage 710 are formed with outer between one and second, third section of axis body 320,330
The internal conical surface 711 that taper seat 350 cooperates.A stamper seat coaxial with mandrel 300 is offered on stamper seat 400 axially logical
Hole 410, offers a upper die plate axially extending bore 510 coaxial with mandrel 300, on upper die plate 500 in stamper seat axially extending bore
A bushing 420 is provided with 410, is slided in bushing 420 and is provided with a push rod 430, the upper end of push rod 430 upwardly extends exposes
The upper surface of stamper seat 400 is simultaneously formed with a radial direction defining flange 431, and the lower end of push rod 430 extends downwardly through upper die plate 500
Upper die plate axially extending bore 510 after, stretch in the axial passage 710 of reducing die 700, and extend to reducing die 700 axial direction lead to
The lower opening in road 710.
The operation principle of the three lobe flaring die of car steering tube column of the present invention is as follows：
First car steering tube column 10 is inserted on second, third section of axis body 320,330 of mandrel 300 and its lower surface supports
On the support level 340 formed between first, second section of axis body 310,320, stamper seat 400 is driven to transport vertically downwards
It is dynamic, drive the axial passage 710 of reducing die 700 to be enclosed within mandrel 300, until the internal conical surface of the lower opening of reducing die 700
711 with mandrel 300 on outer conical surface 350 formed and coordinate till, in the process, mandrel 300 by 430 jack-up of push rod, so
Allow for car steering tube column 10 to be formed between the outer peripheral face of the inner peripheral surface and mandrel 300 of the axial passage 710 of reducing die 700
Necking, as shown in Figure 2.
The three lobe flaring die of car steering tube column of the present invention also causes stamper seat 400 to transport vertically downwards including one
Outer conical surface 350 during dynamic on the internal conical surface 711 and mandrel 300 of the lower opening of reducing die 700 is formed when coordinating
The detent mechanism of stopping.
Detent mechanism include supporting jacket casing 810, supporting plate 820, the lower mould 830 of positioning, some spring hanger links 840, tapered sleeve 850 with
And some springs 860.
Supporting jacket casing 810 is arranged on die shoe 110 and coaxial with mandrel 300, circumferentially spaced in supporting jacket casing 810 to set
It is equipped with some positioning axial passages 811.A sector notch portion 812 is formed on supporting jacket casing 810.
Supporting plate 820 be arranged on supporting jacket casing 810 on, offer on supporting plate 820 one it is coaxial with mandrel 300 and supply mandrel 300
The supporting plate through hole 821 for passing through, is arranged at intervals with some and positioning axial passage around the periphery of supporting plate through hole 821 on supporting plate 820
The 811 supporting plate positioning through hole 822 in one-to-one relationship.812 phase of sector notch portion on supporting plate 820 with supporting jacket casing 810
Corresponding position offers a sector notch 823.
The lower mould 830 of positioning is arranged on supporting plate 820, and the lower mould 830 of positioning is enclosed by three pieces of valve blocks 831 and formed, valve block
831 medial surface is a fan-shaped cylinder, and its lateral surface is a fan-shaped conical surface, and the fan-shaped cylinder of three pieces of valve blocks 831 encloses rear shape
Cheng Yiyu mandrels 300 are coaxial and the column type through hole 832 that is engaged with the outer peripheral face of mandrel 300, the sector of three pieces of valve blocks 831
The conical surface forms up-small and down-big and coaxial with mandrel 300 outer conical surface 833 after enclosing.One of petal block 831 is fixed and is set
Put on supporting plate 820, one handle 831a is each provided with the lateral surface of two pieces of petal blocks 831 in addition.
Supporting plate positioning through hole 822 on some spring hanger links 840 and supporting plate 820 is in one-to-one relationship, spring hanger link 840
Upper end be fixedly connected on the lower face of upper die plate 500, its lower end extends downwardly and forms one and has a diameter larger than spring hanger link
The cylindrical slide block 841 of 840 diameter.
Tapered sleeve 850 slides and is sleeved on some spring hanger links 840, be provided with tapered sleeve 850 one it is up-small and down-big and with it is cylindrical
The inner conical face 851 that the conical surface 833 is engaged.
Some springs 860 are sleeved on spring hanger link 840 and are located between upper die plate 500 and tapered sleeve 850, spring 860
Upper end is resisted against on the lower face of upper die plate 500, and its lower end is resisted against on tapered sleeve 850.
During stamper seat 400 drives reducing die 700 to move straight down, first, the inner conical face 851 of tapered sleeve 850
Be enclosed within the outer conical surface 833 formed by the lateral surface of petal block 831, and the medial surface of valve block 831 is caused by motor turning
Tubing string 10 is pressed on the outer peripheral face of mandrel 300 so that car steering tube column 10 is preferably positioned, car steering tube column is prevented
10 send rotation or displacement in pressing mold, it is ensured that the effect of pressing mold；Then stamper seat 400 continues to push so that spring hanger link
The cylindrical slide block 841 of 840 lower ends is inserted in the axial passage 811 of supporting jacket casing 810 via supporting plate through hole 822 and carries out determining
Position, in the process, spring 860 is pressed on tapered sleeve 850 on the lower mould 830 of positioning all the time.When spring 860 is compressed completely,
Just so that the internal conical surface 711 of the lower opening of reducing die 700 forms cooperation with the outer conical surface 350 on mandrel 300.
The ultimate principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (5)
1. three lobe flaring die of a kind of car steering tube column, it is characterised in that include：
One mould bases, the mould bases include the upper bolster and die shoe for going to upper and lower parallel interval setting；
One is vertically arranged in the mandrel on the die shoe, and the mandrel includes first, second, for being sequentially connected from the bottom to top
Three sections of axis bodies, the diameter of first, second, third section of axis body are reduced successively, form one between first, second section of axis body
Support level, passes through an outer conical surface transition between second, third section of axis body；
One is arranged between the upper and lower die holder and being capable of vertically reciprocating stamper seat；
One is fixedly installed on the upper die plate on the lower surface of the stamper seat；And
One is fitted in the reducing die on the lower face of the upper die plate by die sleeve, is formed with one with the core in the reducing die
The coaxial axial passage of axle, the under shed of the axial passage are formed with cylindrical between one and second, third section of axis body
The internal conical surface that the conical surface cooperates；
During pressing mold, by car steering tube column be inserted on second, third section of axis body of the mandrel and its lower surface be supported on it is described
On the support level formed between first, second section of axis body, drive the stamper seat to move vertically downwards, drive described
The axial passage of reducing die is enclosed within the mandrel, until on internal conical surface and the mandrel of the lower opening of the reducing die
Outer conical surface formed coordinate till so that inner peripheral surface and the core of the car steering tube column in the axial passage of the reducing die
Necking is formed between the outer peripheral face of axle；
Also the stamper seat is caused vertically downwards in motor process in the lower opening of the reducing die including one
Outer conical surface on taper seat and the mandrel forms the detent mechanism stopped when coordinating, and the detent mechanism includes：
One is arranged on supporting jacket casing on the die shoe and coaxial with the mandrel, circumferentially spaced in the supporting jacket casing to set
It is equipped with some positioning axial passages；
One be arranged on it is described supporting jacket casing on supporting plate, offer on the supporting plate one it is coaxial with the mandrel and supply the mandrel
The supporting plate through hole for passing through, is arranged at intervals with around the periphery of the supporting plate through hole on the supporting plate some axially logical with the positioning
Supporting plate positioning through hole of the road in one-to-one relationship；
One is arranged on mould under the positioning on the supporting plate, and under the positioning, mould is enclosed by least two petal blocks and formed, each petal
The medial surface of block is a fan-shaped cylinder, and its lateral surface is a fan-shaped conical surface, and the fan-shaped cylinder of each petal block forms one after enclosing
Column type through hole coaxial with the mandrel and being engaged with the outer peripheral face of the mandrel, the fan-shaped conical surface of each petal block are enclosed
Up-small and down-big and coaxial with a mandrel outer conical surface is formed afterwards；
It is some with the supporting plate on spring hanger link of the supporting plate positioning through hole in one-to-one relationship, the upper end of the spring hanger link
It is fixedly connected on the lower face of the upper die plate, its lower end extends downwardly；
One slip is sleeved on the tapered sleeve on some spring hanger links, is provided with one up-small and down-big and outer with described in the tapered sleeve
The inner conical face that taper seat is engaged；And
Some to be sleeved on the spring hanger link and the spring between the upper die plate and tapered sleeve, the upper end of the spring is supported
Lean against on the lower face of the upper die plate, its lower end is resisted against on the tapered sleeve.
2. three lobe flaring die of car steering tube column as claimed in claim 1, it is characterised in that mould is by three pieces under the positioning
Petal block is enclosed and is formed, and one of petal block is fixedly installed on the supporting plate, each on the lateral surface of two pieces of petal blocks in addition
It is provided with one handle.
3. three lobe flaring die of car steering tube column as claimed in claim 2, it is characterised in that the shape on the supporting jacket casing
Cheng Youyi sector notch portion, on the supporting plate, the position corresponding with the sector notch portion of the supporting jacket casing offers a fan
V notch v.
4. three lobe flaring die of car steering tube column as claimed in claim 3, it is characterised in that also including a mandrel seat, institute
Stating mandrel seat includes a mandrel seat board being fixedly installed on the die shoe and is integrally formed on the mandrel seat board
Abutment sleeve, the abutment sleeve radially offer a pair of abutment sleeve through holes, and the lower end of the mandrel is prolonged axially outward
An installation projection is stretched out, on the installation projection, a radial direction through hole is offered；During installation, the installation projection of mandrel lower end is inserted
To in the abutment sleeve of the mandrel seat, and a pair of abutment sleeve through holes of the abutment sleeve are installed on projection with described
Radial direction through hole alignment, using connecting bolt through abutment sleeve a pair of abutment sleeve through holes and the installation projection on footpath
To through hole, so as to the mandrel is fixed on the mandrel seat.
5. three lobe flaring die of car steering tube column as claimed in claim 4, it is characterised in that open up on the stamper seat
There is a stamper seat axially extending bore coaxial with the mandrel, a upper mould coaxial with the mandrel is offered on the upper die plate
Plate axially extending bore, is provided with a bushing in the stamper seat axially extending bore, slides and be provided with a push rod, institute in the bushing
The upper end for stating push rod upwardly extends the upper surface of exposing the stamper seat and is formed with a radial direction defining flange, under the push rod
Stretch into after extending downwardly through the upper die plate axially extending bore of the upper die plate in the axial passage of the reducing die and extend in end
The lower opening of the axial passage of the reducing die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412908.8A CN105170813B (en) | 2015-07-14 | 2015-07-14 | Three-section flaring die for automobile steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510412908.8A CN105170813B (en) | 2015-07-14 | 2015-07-14 | Three-section flaring die for automobile steering column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105170813A CN105170813A (en) | 2015-12-23 |
| CN105170813B true CN105170813B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510412908.8A Active CN105170813B (en) | 2015-07-14 | 2015-07-14 | Three-section flaring die for automobile steering column |
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| CN (1) | CN105170813B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734304B (en) * | 2016-12-08 | 2018-10-19 | 湖南特诚成套电器有限公司 | A kind of extrusion press |
| CN108273911A (en) * | 2017-07-27 | 2018-07-13 | 中国航发哈尔滨东安发动机有限公司 | Turn round the swollen pattern tool of sleeve |
| CN108380767B (en) * | 2018-03-02 | 2019-10-08 | 东华大学 | Tube expander |
| CN109436458A (en) * | 2018-12-27 | 2019-03-08 | 淅川县金博橡塑有限公司 | A kind of two-way beam mouth tooling of rubber bushing and method |
| CN116353042B (en) * | 2023-06-02 | 2023-08-01 | 四川联塑科技实业有限公司 | Flaring die for processing PVC (polyvinyl chloride) pipe by intelligent temperature control and adjustment |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU845996A1 (en) * | 1979-12-25 | 1981-07-15 | Предприятие П/Я Г-4585 | Apparatus for reducing tube blanks |
| KR101056742B1 (en) * | 2009-07-08 | 2011-08-12 | 최동옥 | Sizing device for housing for catalytic converter |
| CN202398731U (en) * | 2012-01-16 | 2012-08-29 | 浙江金盾消防器材有限公司 | Necking device for bottom of steel seamless gas cylinder |
| CN102601242A (en) * | 2012-04-04 | 2012-07-25 | 无锡欧易博阀业科技有限公司 | Valve seat necking die |
| CN104043741B (en) * | 2014-06-27 | 2015-11-25 | 张家港保税区亚信汽车零部件科技有限公司 | A kind of steel pipe throat mould |
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