CN209239541U - A kind of locating core and the tooling equipped with the locating core - Google Patents
A kind of locating core and the tooling equipped with the locating core Download PDFInfo
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- CN209239541U CN209239541U CN201822101272.7U CN201822101272U CN209239541U CN 209239541 U CN209239541 U CN 209239541U CN 201822101272 U CN201822101272 U CN 201822101272U CN 209239541 U CN209239541 U CN 209239541U
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- pulling
- center line
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- tooling
- locating
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Abstract
The utility model discloses a kind of locating core and equipped with the tooling of the locating core, the locating core includes core print seat, attachment base and location hole, and the center line of core print seat deviates the center line of attachment base, is combined with locating pin in the location hole.The tooling includes substrate, claw pulling mechanism and center positioning mechanism；The center positioning mechanism includes the locating core, the center line of attachment base and the rotation center overlapping of axles of tooling.When the inside and outside bcad seats to wheel hub carries out machining, tooling is rotated with wheel hub, since the center line of core print seat deviates the center line of attachment base, therefore, the cutting output of hub edge corresponding to valve port is greater than the cutting output of hub edge elsewhere, that is, the harmonic wave minimum point of bcad seats radial direction is at valve port inside and outside wheel hub.The design has filled up the blank for processing eccentric product, and operates to locating core and entire wheel hub tooling without particular/special requirement convenient for employee.
Description
Technical field
The utility model relates to the processing technique fields of motor vehicle components, and in particular to the processing of wheel hub.
Background technique
Chrysler forging wheel requires valve port to position entrucking, it is desirable that rotates to harmonic wave low spot and is positioned, so valve
It is harmonic wave minimum point at hole.Gram XXXX5992 product, customer requirement first harmonic 0.14-0.35, second harmonic 0.16, and it is humorous
Wave minimum point is at 45 ° of valve port or so.Wherein, harmonic wave refers to the changing value of bounce, and bounce refers to that inside and outside bcad seats is radially, axially high
The difference of low spot.
Utility model content
The technical issues of the utility model is solved: how to make the harmonic wave minimum point of bcad seats radial direction inside and outside wheel hub in valve
At hole.
In order to solve the above technical problems, the utility model provides the following technical solutions: a kind of locating core, including core print seat, company
Joint chair and location hole, the center line of core print seat deviate the center line of attachment base, the center line of the core print seat and the center line of location hole
In parallel, locating pin is combined in the location hole.
The locating core is mounted on inside and outside turning wheel hub in the tooling of bcad seats, and the tooling includes substrate, claw pulling mechanism
And center positioning mechanism；The center positioning mechanism includes that pedestal, connecting shaft and the locating core, connecting shaft are mounted on pedestal
On, pedestal is installed on the substrate, and locating core is mounted in the connecting shaft；The claw pulling mechanism include pulling claw, isometry block,
The middle part activity of pulling claw driving mechanism, pulling claw cooperates on substrate, and the tail end of pulling claw and the pulling claw driving mechanism are hinged, pulling claw
Head end in hook-shaped, the isometry block is disposed on the substrate.
The center line of the attachment base and the rotation center overlapping of axles of tooling, the i.e. axis of the center line of attachment base and connecting shaft
Heart line is overlapped.If the outer wheel hub shape of the attachment base be standard round, then center line relative standard's circle center line of core print seat away from
From for eccentricity.
The head end of locating pin cooperates in the location hole, and the tail end of locating pin cooperates the wheel hub in the valve port of wheel hub
Center and core print seat cooperate, the center line of wheel hub is aligned with the center line of core print seat.
Under the driving of the pulling claw driving mechanism, in the edge of hook-shaped pulling claw head end drop-down wheel hub, the edge of wheel hub
It is pressed on the isometry block.
When the inside and outside bcad seats to wheel hub carries out machining, tooling is rotated with wheel hub, due to the center line of core print seat
Deviate the center line of attachment base, therefore, the cutting output of hub edge corresponding to valve port is greater than hub edge elsewhere
Cutting output, that is, the harmonic wave minimum point of bcad seats radial direction is at valve port inside and outside wheel hub.
The utility model has filled up the blank for processing eccentric product, and wants to locating core and entire wheel hub tooling without special
It asks, specifically, locating core described in the utility model and just common fuse have versatility, do not need special purpose lathe debugging journey
Sequence can apply to any lathe；Wheel hub tooling described in the utility model and common wheel hub tooling indifference, and can replace
Locating core or locating pin are operated with meeting the needs of different product convenient for employee.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawing:
Fig. 1 is a kind of schematic diagram of the tool locating wheel hub of bcad seats inside and outside turning wheel hub；
Fig. 2 is the schematic diagram of locating core.
Symbol description in figure:
10, locating core；11, core print seat；12, location hole；13, attachment base；
20, locating pin；
40, wheel hub；41, valve port；
50, substrate；51, pedestal；52, connecting shaft；53, pulling claw；54, isometry block；55, pulling claw driving mechanism；551, pulling plate；
552, pulling block；553, guide post；554, reset spring；56, bottom plate；57, sliding pin.
Specific embodiment
Such as Fig. 1, the tooling of bcad seats inside and outside a kind of turning wheel hub, including substrate 50, claw pulling mechanism and center positioning mechanism.
The center positioning mechanism includes pedestal 51, connecting shaft 52 and locating core 10, and connecting shaft is mounted on the base, pedestal
On the substrate, locating core is mounted in the connecting shaft for installation.
Such as Fig. 2, the locating core 10 includes core print seat 11, attachment base 13 and location hole 12, and the center line of core print seat deviates connection
The center line of seat, the center line of the core print seat and the centerline parallel of location hole are combined with locating pin 20 in the location hole.Institute
State attachment base 13 and the connection axis connection.
The claw pulling mechanism includes pulling claw 53, isometry block 54, pulling claw driving mechanism 55, and the middle part activity of pulling claw cooperates in base
On plate, the tail end of pulling claw and the pulling claw driving mechanism are hinged, and in hook-shaped, the isometry block is arranged in substrate for the head end of pulling claw
On.
The pulling claw driving mechanism includes pulling plate 551, pulling block 552, guide post 553, reset spring 554, power source；It is described
Pulling block connection pulling plate and power source, the tail end of the pulling claw 53 are hinged on the pulling plate, and the head end of guide post is mounted on described
On substrate 50, the tail end of guide post is mounted on bottom plate 56, and the bottom plate is installed on substrate, and the pulling plate cooperation is led described
To on column；The reset spring is arranged between bottom plate and the pulling plate.The power source of the pulling claw driving mechanism can use
Cylinder, hydraulic cylinder or electric cylinders.
The middle part of pulling claw 53 opens up V-shaped groove, and a bar groove of V-shaped groove is vertically arranged, which is set as vertical slots, V-shaped groove it is another
One bar groove is obliquely installed, and is set as tipper, and the substrate 50 is equipped with sliding pin 57, and the sliding pin cooperation is in the V-shaped groove.?
Under the driving of power source, pulling claw downlink, the sliding pin moves in tipper first, and the head end of pulling claw is made to move on to hub edge
Top, later, the sliding pin are moved in vertical slots, are made the head end straight line downlink of pulling claw, are pressed on the edge of wheel hub.Institute
When stating pulling claw reset, under the auxiliary of reset spring and guide post, sliding pin moves in the vertical slots first, makes the head of pulling claw
End ramps, and unclamps hub edge, and later, sliding pin is moved along the tipper, and pulling claw is mobile to the outside of hub edge, just
It is removed from tooling in wheel hub.
In practical operation, the head end of locating pin 20 cooperates in the location hole 12, and the tail end of locating pin cooperates in wheel hub
Valve port 41 in, the center of wheel hub and core print seat cooperate, and the center line of wheel hub is aligned with the center line of core print seat.The attachment base
The rotation center overlapping of axles of center line and tooling, the i.e. center line of attachment base are overlapped with the axial line of connecting shaft 52.In the drawing
Under the driving of pawl driving mechanism 55, in the edge of hook-shaped 53 head end of pulling claw drop-down wheel hub, the edge of wheel hub is pressed on described etc.
On high block 54.Later, tooling is rotated with wheel hub 40, and lathe tool carries out turning to bcad seats inside and outside wheel hub.Due in core print seat 11
Heart line deviates the center line of attachment base 13, therefore, the cutting output of hub edge corresponding to valve port 41 be greater than hub edge its
The cutting output in his place.That is, the harmonic wave minimum point of bcad seats radial direction is at valve port inside and outside wheel hub.
Further, in order to make first harmonic 0.14-0.35, second harmonic 0.16, and harmonic wave minimum point in valve port
45 ° of left and right, the determination for 11 eccentricity of core print seat takes orthogonal test, starts using eccentricity value 0.1mm, 0.3mm,
0.5mm, 0.7mm, 0.9mm design are respectively processed three locating cores and are verified, and verification result reaches when being eccentricity value 0.3mm to be wanted
It asks, qualification rate 100%, therefore uses the locating core of eccentricity value 0.3mm.One section of hub edge (circular arc where harmonic wave minimum point
Shape) corresponding to central angle be 45 °, the center of circle is the center of wheel hub, and valve port is in fan-shaped range corresponding to 45 ° of central angles
It is interior.
What the detection of automotive hub jerk value substantially detected is the run-out error of wheel, i.e. circular runout at bcad seats
And axial runout is formed by the error degree between jerk value and the jerk value of permission.Hub runout amount divides radial beat eccentricity again
With axial runout amount, radial beat eccentricity refers to that wheel rotates a circle, distance change amount of the rim bead seat relative to wheel rotary shaft.
Axial runout amount refers to that wheel rotates a circle, stationary reference plane distance of the wheel rims relative to vertical wheel rotary shaft
Variable quantity.Because the cross section of automotive hub is a closed curve, the circular runout and axial runout size on cross section are not
Together, and with 2 π period consecutive variations, automotive hub run-out error has significantly periodically, and the circle bounce of automotive hub misses
Difference may be expressed as: with fourier series
In formula:
In formula:- K subharmonic；AK- K subharmonic amplitude, - K subharmonic phase
Position,
By (1) it is found that the run-out error of automotive hub is exactly the amplitude A k and phase Φ k of different price subharmonic, work as K=
It is the first harmonic of wheel hub when 1, being reflected in geometrically is exactly eccentricity relative to standard round.
Claims (5)
1. a kind of locating core, including core print seat (11), attachment base (13) and location hole (12), it is characterised in that: the center line of core print seat
Deviate the center line of attachment base, the center line of the core print seat and the centerline parallel of location hole；It is fixed to be combined in the location hole
Position nail (20).
2. a kind of locating core as described in claim 1, it is characterised in that: core print seat (11) center line and attachment base (13) center line
The distance between be 0.3mm.
3. a kind of tooling equipped with locating core described in claim 1, it is characterised in that: including substrate (50), claw pulling mechanism and in
Heart positioning mechanism；
The center positioning mechanism includes pedestal (51), connecting shaft (52) and the locating core (10), and connecting shaft is mounted on pedestal
On, pedestal is installed on the substrate, and locating core is mounted in the connecting shaft；
The claw pulling mechanism includes pulling claw (53), isometry block (54), pulling claw driving mechanism (55), and the middle part activity cooperation of pulling claw exists
On substrate, the tail end of pulling claw and the pulling claw driving mechanism are hinged, and in hook-shaped, the isometry block is arranged in substrate for the head end of pulling claw
On.
4. tooling as claimed in claim 3, it is characterised in that: the pulling claw driving mechanism includes pulling plate (551), pulling block
(552), guide post (553), reset spring (554), power source；The pulling block connection pulling plate and power source, the pulling claw (53)
Tail end be hinged on the pulling plate, the head end of guide post is mounted on the substrate (50), and the tail end of guide post is mounted on bottom
On plate (56), the bottom plate is installed on substrate, and the pulling plate cooperation is in the guide post；The reset spring is arranged the bottom of at
Between plate and the pulling plate.
5. tooling as claimed in claim 3, it is characterised in that: open up V-shaped groove, a bar groove of V-shaped groove in the middle part of pulling claw (53)
It is vertically arranged, the substrate (50) is equipped with sliding pin (57), and the sliding pin cooperation is in the V-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822101272.7U CN209239541U (en) | 2018-12-14 | 2018-12-14 | A kind of locating core and the tooling equipped with the locating core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822101272.7U CN209239541U (en) | 2018-12-14 | 2018-12-14 | A kind of locating core and the tooling equipped with the locating core |
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| Publication Number | Publication Date |
|---|---|
| CN209239541U true CN209239541U (en) | 2019-08-13 |
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ID=67532904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822101272.7U Active CN209239541U (en) | 2018-12-14 | 2018-12-14 | A kind of locating core and the tooling equipped with the locating core |
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| CN (1) | CN209239541U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230555A (en) * | 2019-08-15 | 2020-06-05 | 宁波奥威尔轮毂有限公司 | Core seat structure for hub machining center |
| CN111731049A (en) * | 2020-07-24 | 2020-10-02 | 浙江万丰奥威汽轮股份有限公司 | Harmonic wave directional wheel and production process thereof |
-
2018
- 2018-12-14 CN CN201822101272.7U patent/CN209239541U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230555A (en) * | 2019-08-15 | 2020-06-05 | 宁波奥威尔轮毂有限公司 | Core seat structure for hub machining center |
| CN111731049A (en) * | 2020-07-24 | 2020-10-02 | 浙江万丰奥威汽轮股份有限公司 | Harmonic wave directional wheel and production process thereof |
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