CN208787449U - Heavy slip shaft yoke base roll forging die enabling - Google Patents
Heavy slip shaft yoke base roll forging die enabling Download PDFInfo
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- CN208787449U CN208787449U CN201821280199.8U CN201821280199U CN208787449U CN 208787449 U CN208787449 U CN 208787449U CN 201821280199 U CN201821280199 U CN 201821280199U CN 208787449 U CN208787449 U CN 208787449U
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Abstract
Heavy slip shaft yoke base roll forging die enabling, including the arc lower module in the upper arc module being mounted in the topping roll outer circle of forging roll and the bottom roll outer circle for being mounted on forging roll；When the head end of upper arc module turns to extreme lower position, the head end of arc lower module is just rotated into extreme higher position, and when the tail end of upper arc module turns to extreme lower position, the tail end of arc lower module is just rotated into extreme higher position；The arc elongated slot of upper arc module and the arc elongated slot of arc lower module are correspondingly formed the oval rolling-type chamber in cross section up and down simultaneously.For the utility model by the way of roll forging, roll forging type chamber can limit the lateral flow of blank, and blank metal is promoted to flow in length direction, and base works well, and the bar portion flash of slip shaft yoke is obviously reduced when finish-forging, improve stock utilization.Upper arc module and arc lower module can be overhauled individually, saved the time of repair a die tool and mold exchange, not only improved production efficiency but also saved cost.
Description
Technical field
The utility model belongs to automobile part production technique field more particularly to a kind of heavy slip shaft yoke base roller
Forging mould.
Background technique
Transmission shaft heavy type slip shaft yoke has roomy fork, on the other hand, for counterweight to satisfy the use demand
Type slip shaft yoke optimizes, in the case where meeting requirement, slip shaft yoke forging as shown in Figure 1, bar portion 1 size meeting
It minimizes, this makes heavy slip shaft yoke the 2 thinner situation of wider bar portion 1 of fork occur.In order to meet heavy splined shaft
The requirement of forging molding is pitched, while improving stock utilization, needs to be arranged multiple processes in forging process, comprising: pulling system
Base-blocking-finish-forging-hot trimming.Wherein pulling base work step belongs to conventional forging process, has the following problems:
1, the pulling platform for pulling out base does not have accurate location structure, carry out pulling operation when, worker completely with
Experience places blank, and the effect that this is resulted in after pulling every time is not consistent, when placement location deviates more, may cause weight
There is the defects of folding or being not fully filled in type end slip shaft yoke forging, and scraps forging.
2, pulling platform be wide-open in the horizontal direction, so pulling when blank metal can simultaneously forwards, backwards and left and right
Four direction flowing, such billet size will be reduced in increment in the front-back direction, reduce the effect of pulling base.
3, for heavy slip shaft yoke when pulling out base, worker needs to carry out three to five operations, needs after operation every time
Overturning or translation blank, since single-piece blank has 20 to 30kg weights, so the large labor intensity of worker.
4, platform and finish-forging type chamber are pulled out on same mold, although the service life of pulling platform is longer very than finish-forging type chamber
It is more, but pulling platform and finish-forging type chamber are renovated together when renovation mold, cause certain waste.
Utility model content
The utility model provides one kind to solve shortcoming in the prior art convenient for manufacture, easy to form, forging
High yield rate, bar portion drawing efficiency are high, save the heavy slip shaft yoke base roll forging die enabling of raw material.
In order to solve the above technical problems, the utility model adopts the following technical solution: heavy slip shaft yoke base roll forging
Mold including the upper arc module being mounted in the topping roll outer circle of forging roll and is mounted in the bottom roll outer circle of forging roll
Arc lower module；Topping roll and bottom roll are horizontally disposed, and topping roll is located at right above bottom roll, upper arc module and topping roll
Center line be overlapped, arc lower module is overlapped with the center line of bottom roll；The construction and ruler of upper arc module and arc lower module
Very little all the same, the outer circle of upper arc module and arc lower module along the circumferential direction offers arc elongated slot；On topping roll drives
Arc module rotates clockwise, and bottom roll drives arc lower module to rotate counterclockwise, and bottom roll is identical with the revolving speed of bottom roll；On
Arc module and arc lower module during rotation, when the head end of upper arc module turns to extreme lower position, arc lower module
Head end be just rotated into extreme higher position, when the tail end of upper arc module turns to extreme lower position, the tail end of arc lower module is just
Turn to extreme higher position well；
In upper arc module and arc lower module during turning to corresponding up and down, the outer circle of upper arc module is under
With the gap of 1-3mm between the outer circle of arc mould, while the arc elongated slot of upper arc module and the arc of arc lower module are long
Slot is correspondingly formed the oval rolling-type chamber in cross section up and down.
When the head end of upper arc module turns to extreme lower position, the head end of arc lower module is just rotated into extreme higher position,
The end face of upper arc module head end and the end face of arc lower module head end are encircled into circular open, circular open and rolling-type at this time
Surface blending forms the transition passage of bell mouth shape between the head end of chamber.
Upper arc module and arc lower module are respectively fixedly connected with by the bolt being disposed radially rolls under in topping roll
On roller circumferential surface.
By adopting the above technical scheme, compared with the existing technology, the utility model has the following beneficial effects:
Manipulator is set on forging roll, and it is cylindrical that manipulator is used for feed between upward arc module and arc lower module
Blank, above and below the end face of upper arc module head end and the end face of arc lower module head end to it is corresponding when manipulator by cylindrical base
Material is sent to circular open, and with the rotation of upper arc module and arc lower module, cylinder blank enters arc module
The rolling-type formed between arc lower module is intracavitary, and a part of cylinder blank is the length of ellipsoidal cross section by roll-in
Bar.This is to carry out the first passage roll forging, then carries out the second passage roll forging again, upper arc module used by second of roll forging and
Being formed between arc lower module in the cross section of rolling-type chamber is also ellipse, and the semi-minor axis of the rolling-type chamber is less than first time roller
The semi-minor axis of rolling-type chamber when forging, after carrying out the second passage roll forging, the length of cylinder blank further increases.Pass through twice
Secondary roll forging reaches roller forging sheet stamping requirement.
The diameter of circular open is slightly larger than the outer diameter of cylinder blank, and the transition of circular open and bell mouth shape is logical to be set
It sets, plays the role of guide, enter the intracavitary progress roll forging operation of rolling-type convenient for cylinder blank.
Using mechanical snatching cylindrical blank, not only mitigate labor intensity of workers, but also placement location is accurate, same production
Product can keep good consistency, avoid and generate waste product because base shape is improper, improve yield rate.
By the way of roll forging, and the oval roll forging type chamber in cross section of design optimization, the two sides of roll forging type chamber can
To limit the lateral flow of blank, blank metal is promoted to flow in length direction, base works well, slip shaft yoke when finish-forging
Bar portion flash is obviously reduced, and improves stock utilization.
During using forging roll roller forging sheet stamping, feeding and entire roll forging process are automatically performed by forging roll, are not needed
Manual operation greatly reduces the labor intensity of worker in forging process.
Roll forging die enabling (upper arc module and arc lower module) can be overhauled individually, can reach disassembly by backing out bolt i.e.
Effect.So the advantage of roll forging die enabling service life length can give full play to, which saves the times of repair a die tool and mold exchange, both mention
High efficiency has saved cost again.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of medium-sized slip shaft yoke；
Structural schematic diagram when Fig. 2 is the utility model the first passage roll forging；
Fig. 3 is the left view of Fig. 2；
Structural schematic diagram when Fig. 4 is the utility model the second passage roll forging；
Fig. 5 is the left view of Fig. 4.
Specific embodiment
As shown in Figures 2 and 3, the heavy slip shaft yoke base roll forging die enabling of the utility model, including it is mounted on forging roll
3 outer circle of topping roll on upper arc module 5 and the arc lower module 6 that is mounted in 4 outer circle of bottom roll of forging roll；Topping roll
3 and bottom roll 4 it is horizontally disposed, topping roll 3 is located at right above bottom roll 4, the center line weight of upper arc module 5 and topping roll 3
It closes, arc lower module 6 is overlapped with the center line of bottom roll 4；The construction and size of upper arc module 5 and arc lower module 6 are homogeneous
Together, the outer circle of upper arc module 5 and arc lower module 6 along the circumferential direction offers arc elongated slot 7；Topping roll 3 drives upper arc
Shape module 5 rotates clockwise, and bottom roll 4 drives arc lower module 6 to rotate counterclockwise, the revolving speed phase of bottom roll 4 and bottom roll 4
Together；Upper arc module 5 and arc lower module 6 during rotation, when the head end of upper arc module 5 turns to extreme lower position, under
The head end of arc module 6 is just rotated into extreme higher position, when the tail end of upper arc module 5 turns to extreme lower position, arc lower mould
The tail end of block 6 is just rotated into extreme higher position；
In upper arc module 5 and arc lower module 6 during turning to corresponding up and down, the outer circle of upper arc module 5
With the gap of 1-3mm between the outer circle of arc lower mould, while the arc elongated slot 7 of upper arc module 5 and arc lower module 6
About 7 arc elongated slot is correspondingly formed the oval rolling-type chamber 8 in cross section.
When the head end of upper arc module 5 turns to extreme lower position, the head end of arc lower module 6 is just rotated into highest order
It sets, the end face of 6 head end of end face and arc lower module of upper 5 head end of arc module is encircled into circular open 9, circular open 9 at this time
Surface blending forms the transition passage 10 of bell mouth shape between the head end of rolling-type chamber 8.
Upper arc module 5 and arc lower module 6 pass through the bolt being disposed radially and are respectively fixedly connected in topping roll 3 under
On 4 circumferential surface of roll.
The roller forging sheet stamping operation process of the utility model are as follows: manipulator is set on forging roll, and manipulator is used for upward arc
Feed cylinder blank between shape module 5 and arc lower module 6, when the end face of upper 5 head end of arc module and arc lower module 6 are first
Cylinder blank is sent to circular open 9 to manipulator when corresponding to up and down by the end face at end, with upper arc module 5 and arc lower
The rotation of module 6, cylinder blank enter in the rolling-type chamber 8 formed between arc module 5 and arc lower module 6, circle
A part of cylindrical workpiece is the stock of ellipsoidal cross section by roll-in.This is to carry out the first passage roll forging；Then is carried out again
Two passage roll forging are formed between upper arc module 5 and arc lower module 6 used by second of roll forging as shown in Figure 4 and Figure 5
Cross section in rolling-type chamber 8 is also ellipse, rolling-type chamber 8 when the semi-minor axis of the rolling-type chamber 8 is less than first time roll forging
Semi-minor axis, after carrying out the second passage roll forging, the length of cylinder blank further increases.By two passage roll forging, reach roller
The requirement of forging base.Arrow is oriented to the rotation direction of topping roll 3 and bottom roll 4 in figure.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (3)
1. heavy slip shaft yoke base roll forging die enabling, it is characterised in that: including being mounted in the topping roll outer circle of forging roll
Upper arc module and the arc lower module being mounted in the bottom roll outer circle of forging roll；Topping roll and bottom roll are horizontally disposed,
Topping roll is located at right above bottom roll, and upper arc module is overlapped with the center line of topping roll, in arc lower module and bottom roll
Heart line is overlapped；The construction and size of upper arc module and arc lower module are all the same, upper arc module and arc lower module it is outer
Circle along the circumferential direction offers arc elongated slot；Topping roll drives upper arc module to rotate clockwise, and bottom roll drives arc lower
Module rotates counterclockwise, and bottom roll is identical with the revolving speed of bottom roll；Upper arc module and arc lower module during rotation, on
When the head end of arc module turns to extreme lower position, the head end of arc lower module is just rotated into extreme higher position, upper arc module
Tail end when turning to extreme lower position, the tail end of arc lower module is just rotated into extreme higher position；
In upper arc module and arc lower module during turning to corresponding up and down, the outer circle and arc lower of upper arc module
With the gap of 1-3mm between the outer circle of mould, while on the arc elongated slot of upper arc module and the arc elongated slot of arc lower module
Under be correspondingly formed the oval rolling-type chamber in cross section.
2. heavy type slip shaft yoke base roll forging die enabling according to claim 1, it is characterised in that: the head of upper arc module
When end turns to extreme lower position, the head end of arc lower module is just rotated into extreme higher position, at this time the end of upper arc module head end
Face and the end face of arc lower module head end are encircled into circular open, surface blending shape between circular open and the head end of rolling-type chamber
At the transition passage of bell mouth shape.
3. heavy type slip shaft yoke base roll forging die enabling according to claim 1 or 2, it is characterised in that: upper arc module
Pass through the bolt being disposed radially with arc lower module to be respectively fixedly connected on topping roll and bottom roll circumferential surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821280199.8U CN208787449U (en) | 2018-08-09 | 2018-08-09 | Heavy slip shaft yoke base roll forging die enabling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821280199.8U CN208787449U (en) | 2018-08-09 | 2018-08-09 | Heavy slip shaft yoke base roll forging die enabling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208787449U true CN208787449U (en) | 2019-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821280199.8U Active CN208787449U (en) | 2018-08-09 | 2018-08-09 | Heavy slip shaft yoke base roll forging die enabling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340273A (en) * | 2019-06-06 | 2019-10-18 | 佛山科学技术学院 | A kind of forging method of aluminium alloy car control arm |
-
2018
- 2018-08-09 CN CN201821280199.8U patent/CN208787449U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340273A (en) * | 2019-06-06 | 2019-10-18 | 佛山科学技术学院 | A kind of forging method of aluminium alloy car control arm |
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