CN205780390U - Drive shaft end surface teeth flange fork forging - Google Patents
Drive shaft end surface teeth flange fork forging Download PDFInfo
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- CN205780390U CN205780390U CN201620550791.XU CN201620550791U CN205780390U CN 205780390 U CN205780390 U CN 205780390U CN 201620550791 U CN201620550791 U CN 201620550791U CN 205780390 U CN205780390 U CN 205780390U
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- fork
- boss
- ear
- dish portion
- fork ear
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Abstract
Drive shaft end surface teeth flange fork forging, including fork dish portion, left fork ear and right fork ear, left fork ear and right fork ear are symmetricly set on the left and right sides in fork dish portion, it is fixedly connected with dowel between left fork ear and right fork ear, the leading flank of left fork ear is provided with left front boss with the junction in fork dish portion, the trailing flank of left fork ear is provided with left back boss with the junction in fork dish portion, and left front boss and left back boss are symmetrical arranged before and after the centrage about left fork ear；This apparatus structure is simple, trimming time residual burr is little, presentation quality good.
Description
Technical field
This utility model belongs to auto industry technical field, is specifically related to a kind of drive shaft end surface teeth flange fork forging.
Background technology
End surface teeth flange fork is a strength member of truck drive shaft, has important to the safety coefficient of driving-shaft assembly
Impact；The traditional drive shaft end surface teeth flange fork forging version used on automobile is as shown in Figure 1, it is known that power transmission shaft
End surface teeth flange fork forging includes fork dish portion 1, left fork ear 2 and right fork ear 3, and (overlap is flat to the overlap of end surface teeth flange fork forging
In forging process, forging blank squeezes out at mold parting surface) it is positioned at left fork ear 2 and left side and right fork ear 3 and right side
Portion, as in figure 2 it is shown, overlap 9 is first to be transitioned into outside fork dish portion 1 at B by the A in fork dish portion 1, then along maximum outside fork dish portion 1
Being transitioned at profile outside fork ear at die joint C, transitional region BC section overlap flows out direction and earhole centerline parallel；Produce
Radius size out is the earhole end surface teeth flange fork product structure of 72mm, and outside its two ear, the widest part size is than dish portion size
Big 50mm, there will be residual burr big during trimming at largest contours outside left fork ear 2 and right fork ear 3, presentation quality is poor, direct shadow
Ringing follow-up forging metalworking, cause interrupted cut, easily cause the fracture of cutter, make cutter mention and scrap, production efficiency reduces；
It addition, the bonding strength between left fork ear 2 and right fork ear 3 and fork dish portion 1 is less, left fork ear 2 and right fork during product use
Ear 3 is easily deformed, and causes damage of product.
Utility model content
This utility model is in order to solve weak point of the prior art, it is provided that residual hair when a kind of simple in construction, trimming
Sting drive shaft end surface teeth flange fork forging little, that presentation quality good, bonding strength is high.
For solving above-mentioned technical problem, this utility model adopts the following technical scheme that drive shaft end surface teeth flange fork forging,
The left and right sides in fork dish portion, left fork ear and the right side it is symmetricly set on including fork dish portion, left fork ear and right fork ear, left fork ear and right fork ear
Being fixedly connected with dowel between fork ear, the leading flank of left fork ear is provided with left front boss, left fork ear with the junction in fork dish portion
The junction in trailing flank and fork dish portion be provided with left back boss, left front boss and left back boss are about the center of left fork ear
It is symmetrical arranged before and after line；
The leading flank of right fork ear is provided with boss before the right side with the junction in fork dish portion, and right front boss closes with left front boss
Center line in fork dish portion is symmetrical set, and the trailing flank of right fork ear is provided with boss behind the right side, before the right side with the junction in fork dish portion
It is symmetrical arranged before and after the boss centrage about right fork ear behind boss and the right side；
On front side of the front side of left fork ear, top, fork dish portion and there is between the front side of right fork ear the front overlap of U-shape structure, front fly
Limit is by the front surface of boss before left front boss and the right side；
On rear side of the rear side of left fork ear, top, fork dish portion and there is between the rear side of right fork ear the rear overlap of U-shape structure, after fly
Limit, by the rear surface of boss after left back boss and the right side, is symmetrical arranged before and after front overlap and right overlap.
Boss one forging behind fork dish portion, left fork ear, right fork ear, left front boss, left back boss, right front reinforcement and the right side
It is pressed into.
Using technique scheme, this utility model has the advantages that the front side of left fork ear of the present utility model
Face is provided with left front boss with the junction in fork dish portion, and the trailing flank of left fork ear is provided with left back reinforcement with the junction in fork dish portion
The junction in block, the leading flank of right fork ear and fork dish portion is provided with the connection in boss before the right side, the trailing flank of right fork ear and fork dish portion
Place is provided with boss behind the right side, so can make die joint by pitching the front side along left fork ear, the dish portion and be transitioned into the upper end of left fork ear, with
Time by pitching the dish portion dead ahead along right fork ear and be transitioned into the upper end of right fork ear, so burr of residual is little, and presentation quality substantially carries
Height, behind left front boss, left back boss, left front boss and the right side, boss enhances the intensity of forging.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art；
Fig. 2 is the left view of Fig. 1
Fig. 3 is structural representation of the present utility model；
Fig. 4 is the left view of Fig. 3.
Detailed description of the invention
As shown in Figure 3 and Figure 4, drive shaft end surface teeth flange fork forging of the present utility model, including fork dish portion 1, left fork ear 2
With the left and right sides that right fork ear 3, left fork ear 2 and right fork ear 3 are symmetricly set on fork dish portion 1, consolidate between left fork ear 2 and right fork ear 3
Determining connection has dowel 4, the leading flank of left fork ear 2 to be provided with left front boss 5, the rear side of left fork ear 2 with the junction in fork dish portion 1
Face is provided with left back boss 6, left front boss 5 and left back boss 6 center about left fork ear 2 with the junction in fork dish portion 1
It is symmetrical arranged before and after line；
The leading flank of right fork ear 3 is provided with boss 7 before the right side, right front boss 7 and left front reinforcement with the junction in fork dish portion 1
Block 5 is symmetrical set about the center line in fork dish portion 1, and the junction in the trailing flank of right fork ear 3 and fork dish portion 1 is strengthened after being provided with the right side
Block, behind the right side not shown in boss figure, right before behind boss 7 and the right side boss set about symmetry before and after the centrage of right fork ear 3
Put.
On front side of the front side of left fork ear 2, top, fork dish portion 1 and there is between the front side of right fork ear 3 the front overlap 8 of U-shape structure,
Front overlap 8 is by the front surface of boss 7 before left front boss 5 and the right side；
On rear side of the rear side of left fork ear 2, top, fork dish portion 1 and there is between the rear side of right fork ear 3 the rear overlap of U-shape structure
(not shown), rear overlap is by the rear surface of boss after left back boss 6 and the right side, right before and after front overlap 8 and right overlap
Claim to arrange.
Boss behind fork dish portion 1, left fork ear 2, right fork ear 3, left front boss 5, left back boss 6, right front reinforcement 7 and the right side
One forging and stamping are made.
The most front overlap is to be transitioned into F on front side of left fork ear 2 by front side of D on front side of fork dish portion 1 to left fork ear 2 again at E
Place, transitional region EF section overlap flows out through left front boss 5, flows out direction and left earhole central axis, on front side of fork dish portion 1
Being transitioned on front side of right fork ear 3 at Y again at X on front side of right fork ear 3 at D, transitional region XY section overlap boss 7 before the right side flows out,
Flow out direction vertical with auris dextra centerline hole.So burr of residual is little, and presentation quality significantly improves.
The leading flank of left fork ear 2 of the present utility model and the junction in fork dish portion 1 are provided with left front boss 5, left fork ear 2
Trailing flank is provided with left back boss 6 with the junction in fork dish portion 1, and the leading flank of right fork ear 3 is provided with the right side with the junction in fork dish portion 1
Front boss 7, the trailing flank of right fork ear 3 is provided with boss behind the right side with the junction in fork dish portion 1, die joint so can be made by pitching
Dish portion 1 is transitioned into the upper end of left fork ear 2 along the front side of left fork ear 2, is transitioned into along the dead ahead of right fork ear 3 by fork dish portion 1 simultaneously
The upper end of right fork ear 3, the so burr of residual are little, and presentation quality significantly improves, left front boss 5, left back boss 6, left front
After boss 5 and the right side, boss enhances the intensity of forging.
Implementing through test of many times, compared with prior art, this utility model has the advantage that
(1) the residual burr at forging die joint is reduced to 0.5mm by original 5mm, and presentation quality significantly improves；
(2) remaining burr at forging die joint changed to few mill by artificial grinding or do not grind, every is reduced grinding expense
0.3 yuan；
(3) new parting surface structure forging adds a boss in the junction of dish portion and fork, enhances forging local
Intensity, torsional fatigue cycle-index is increased to 130,000 times by 70,000 times.
Shape of the present utility model, material, structure etc. are not made any pro forma restriction, every foundation by the present embodiment
Any simple modification, equivalent variations and the modification that above example is made by technical spirit of the present utility model, belongs to this reality
Protection domain by new technique scheme.
Claims (2)
1. drive shaft end surface teeth flange fork forging, is symmetrical arranged including fork dish portion, left fork ear and right fork ear, left fork ear and right fork ear
In the left and right sides in fork dish portion, between left fork ear and right fork ear, it is fixedly connected with dowel, it is characterised in that: the front side of left fork ear
Face is provided with left front boss with the junction in fork dish portion, and the trailing flank of left fork ear is provided with left back reinforcement with the junction in fork dish portion
Block, left front boss and left back boss are symmetrical arranged before and after the centrage about left fork ear；
The leading flank of right fork ear is provided with boss before the right side with the junction in fork dish portion, and right front boss and left front boss are about fork
The center line in dish portion is symmetrical set, and the trailing flank of right fork ear is provided with boss behind the right side, right front reinforcement with the junction in fork dish portion
It is symmetrical arranged before and after the boss centrage about right fork ear behind block and the right side；
On front side of the front side of left fork ear, top, fork dish portion and having the front overlap of U-shape structure between the front side of right fork ear, front overlap leads to
Cross the front surface of boss before left front boss and the right side；
On rear side of the rear side of left fork ear, top, fork dish portion and having the rear overlap of U-shape structure between the rear side of right fork ear, rear overlap leads to
Cross the rear surface of boss behind left back boss and the right side, be symmetrical arranged before and after front overlap and right overlap.
Drive shaft end surface teeth flange fork forging the most according to claim 1, it is characterised in that: fork dish portion, left fork ear, right fork
Behind ear, left front boss, left back boss, right front reinforcement and the right side, boss one forging and stamping are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620550791.XU CN205780390U (en) | 2016-06-08 | 2016-06-08 | Drive shaft end surface teeth flange fork forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620550791.XU CN205780390U (en) | 2016-06-08 | 2016-06-08 | Drive shaft end surface teeth flange fork forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205780390U true CN205780390U (en) | 2016-12-07 |
Family
ID=58134536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620550791.XU Active CN205780390U (en) | 2016-06-08 | 2016-06-08 | Drive shaft end surface teeth flange fork forging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205780390U (en) |
-
2016
- 2016-06-08 CN CN201620550791.XU patent/CN205780390U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |