CN207681262U - A kind of Automobile drive rear axle bracket assy., spring seat shaving die - Google Patents
A kind of Automobile drive rear axle bracket assy., spring seat shaving die Download PDFInfo
- Publication number
- CN207681262U CN207681262U CN201721673797.7U CN201721673797U CN207681262U CN 207681262 U CN207681262 U CN 207681262U CN 201721673797 U CN201721673797 U CN 201721673797U CN 207681262 U CN207681262 U CN 207681262U
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- Prior art keywords
- plate
- die
- rear axle
- spring
- spring seat
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Abstract
The utility model discloses a kind of Automobile drive rear axle bracket assy., spring seat shaving dies, including upper die and lower die, upper mold includes die shank, cope plate and upper mounted plate and loading and unloading material device, upper mounted plate is internally provided with trim die, the two bottom sides of trim die are respectively equipped with a side shield, lower die includes sequentially connected trimming punch from top to bottom, positioning plate, support plate, lower bolster and lower template, guide groove is equipped among positioning plate lower face, the cooperation of guide groove internal clearance is equipped with guide rod, the both ends of guide rod are respectively equipped with positioning pin, it is installed on the supporting plate through lower retainer spring the lower part of positioning plate, trim die forms the unilateral of two pieces rear axle spring panel seat with trimming punch and cuts mould.The utility model mold can make the relative dimensions such as product trimming crown height and concentricity in the margin of tolerance, and it is reduced to present five processes by seven traditional procedures, production capacity is also improved while improving product quality, and workpiece quality is stablized, die life is long.
Description
Technical field
The utility model belongs to machinery equipment field, is related to a kind of manufacture mold for bracket assy., spring seat, more particularly to
A kind of Automobile drive rear axle bracket assy., spring seat shaving die.
Background technology
Rear axle housing assembly front end is to subtract assembly and transmission axis connection by main, and rear end is by bracket assy., spring seat and Automobile Plate
Spring or helical spring, connect with vehicle frame.It directly affects ride comfort in bonding strength and running car, passability, reliability.Therefore
The height of bracket assy., spring seat both sides circular arc and the concentricity of two circular arcs are more demanding, are required according to punching process character, in 90-degree bent
There is sufficiently long bending moment arm when angle, when to make bending, it is necessary to make bending height H>2t, and bracket assy., spring seat centre circular arc is most
Small bending height is much smaller than the minimum bend height required by plank, that is, is less than 2 times of plate thickness and (it is high to be bent most short straight flange
Degree is 8 ± 0.2mm, and workpiece plate thickness is 6.0mm).If be first unfolded simultaneously blanking to part, then directly it is bent, it will necessarily
Cause straight flange is curved not come out, to make both sides crown height is unilateral, concentricity is overproof and other issues.Bracket assy., spring seat is traditional
The mode of production is that point seven procedures are processed, and technological process is：Blanking → blanking → bending → punching → plasma cut circle
Welding slag → shaping circular arc is cut in arc → removal, to reach Product jointing requirement.Use traditional processing technology, plasma cut circle
Arc process cuts both sides circular arc although with fine plasma cutting machine, but since fine plasma cutting machining accuracy is
The consistency of ± 1.0mm, such workpiece are difficult to ensure that in addition both sides crown height and concentricity are all difficult to reach requirement, therefore
Increasing by one of shaping circular arc process makes product to reach the requirement that is welded.Product processing operation is more in this way, and production is time-consuming longer,
Low production efficiency, and high processing costs.The utility model is based on optimization property existing for production technology in the prior art
Consider, designs a kind of bracket assy., spring seat shaving die, to ensure product quality consistency, stability, and improve production efficiency, just
It seems very necessary.
Utility model content
The purpose of the utility model is to overcome the deficiencies in above-mentioned background technology, adapt to reality and need, provide a kind of vapour
Vehicle drives rear axle bracket assy., spring seat shaving die.
The technical issues of the utility model is solved is realized using following technical scheme：
A kind of Automobile drive rear axle bracket assy., spring seat shaving die, including upper die and lower die, upper mold include die shank, cope plate
With upper mounted plate and loading and unloading material device, fixed intralamellar part is equipped with trim die, the two bottom sides of trim die are set respectively
There are a side shield, the lower die to include sequentially connected trimming punch, positioning plate, support plate, lower bolster and lower die from top to bottom
Plate, the positioning plate lower face centre are equipped with guide groove, and the cooperation of guide groove internal clearance is equipped with guide rod, and the both ends of guide rod are distinguished
Equipped with positioning pin, the lower part of positioning plate is installed on the supporting plate through lower retainer spring, and the trim die is formed with trimming punch
The unilateral of two pieces rear axle spring panel seat cuts mould.
Further, cavity plate of the trim die by interference fit mounted in upper mounted plate is consolidated in shaped cavity, and side is logical
It crosses bolt to connect with upper mounted plate, two pieces of side shields are located at by interference fit in the solid shaped cavity of upper mounted plate respectively to be cut
The bottom of edge die, and side is connect by bolt with upper mounted plate.
Further, die shank by interference fit in the shank hole of cope plate, cope plate by bolt and positioning pin with
Upper mounted plate connects；Trimming punch is connect by bolt and positioning pin with positioning plate, and positioning pin is by interference fit mounted in guiding
In the mounting hole at bar both ends, guide rod is directly placed at by clearance fit in the guide groove of positioning plate lower face；Lower retainer bullet
Spring precommpression is mounted in each corresponding retainer hole of support plate；Positioning plate, support plate, lower bolster pass through bolt and positioning pin and lower die
Plate connects.
Further, loading and unloading material device includes loading and unloading material spring and knockout plate, and knockout plate is suspended in through loading and unloading material spring horizontal
It is slidably connected inside trim die and with the inner wall of trim die, outer rim seam allowance and the trim die inner wall of knockout plate top both sides
In inner ring seam allowance limit connection.
Further, the knockout plate is directly placed at by clearance fit in the intermediate shape chamber of trim die, it is described on unload
Material spring has five, wherein a precommpression is mounted in die shank spring eye corresponding with knockout plate, in addition four rectangular precompressed
Contracting is in cope plate spring eye corresponding with knockout plate.
Further, the rear and front end of the trim die is respectively provided with a groove for automatically correcting die clearance, and trimming is convex
The rear and front end of mould is respectively respectively equipped with a boss for automatically correcting die clearance, groove and boss clearance fit, double-faced clearance
For 0.08~0.10mm.
Further, the trimming cutting edge of the trimming punch both sides is arranged in sloping inwardly, and angle of inclination is °.
Further, the double-faced clearance of guide groove and guide rod is 0.14~0.16mm.
Further, unilateral guide sleeve guide pillar structure is equipped between the cope plate and lower template, guide sleeve is filled by being interference fitted
In the dowel hole of cope plate rear both sides, guide post is by interference fit in the guide pillar hole of lower template rear both sides.
Further, the trim die and trimming punch select mold materials Cr12MoV1, quenching hardness be HRC59~
61。
The utility model composite die can make the relative dimensions such as product trimming crown height and concentricity in the margin of tolerance
It is interior, and present five processes are reduced to by seven traditional procedures, production capacity is also improved while improving product quality, and
And workpiece quality is stablized, die life is long.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the vertical view of the utility model part of the lower die；
Fig. 3 is the structural schematic diagram of the utility model trim die；
Fig. 4 is the sectional side elevation of the utility model trim die；
Fig. 5 is the structural schematic diagram of the utility model trimming punch.
Fig. 6 is the sectional side elevation of the utility model trimming punch；
Fig. 7 is the utility model lower bolster plate structure schematic diagram；
Fig. 8 is the sectional side view of the utility model lower bolster；
Fig. 9 is the utility model side block plate structure schematic diagram；
Figure 10 is the sectional side view of the utility model side shield；
Figure 11 is the utility model positioning plate structure schematic diagram；
Figure 12 is the sectional side view of the utility model positioning plate；
Figure 13 is the vertical view of the utility model bracket assy., spring seat；
Figure 14 is the side view of the utility model bracket assy., spring seat；
Figure 15 is the main sectional view of the utility model bracket assy., spring seat；
In figure：Die shank 1, cope plate 2, guide sleeve 3, loading and unloading material spring 4, upper mounted plate 5, trim die 6, knockout plate 7, side block
Plate 8, trimming punch 9, positioning plate 10, guide post 11, positioning pin 12, guide rod 13, support plate 14, lower retainer spring 15, lower bolster
16, lower template 17.
Specific implementation mode
The utility model can be embodied by technical solution, by can be to the utility model to the following examples
It is further described, however, the scope of the utility model is not limited to following embodiments.
Embodiment 1：Referring to Fig. 1 --- shown in Figure 15, a kind of Automobile drive rear axle bracket assy., spring seat shaving die, including it is upper
Mould and lower die, upper mold include die shank 1, cope plate 2 and upper mounted plate 5 and loading and unloading material device, and fixed plate 5, which is internally provided with, to be cut
Edge die 6, trim die 6 two bottom sides be respectively equipped with a side shield 8, setting side shield 8 is used for blocking product end surface, prevents
Outside play when product trimming, to ensure that the control of two crown heights is within the scope of 8 ± 0.2mm among product trimming.Under described
Mould includes sequentially connected trimming punch 9, positioning plate 10, support plate 14, lower bolster 16 and lower template 17 from top to bottom, described fixed
Guide groove is equipped among 10 lower face of plate of position, the cooperation of guide groove internal clearance is equipped with guide rod 13, and the both ends of guide rod 13 are set respectively
There are positioning pin 12, the lower part of positioning plate 10 to be mounted in support plate 14 through lower retainer spring 15, the trim die 6 and trimming are convex
Mould 9 forms the unilateral of two pieces rear axle spring panel seat and cuts mould.
Cavity plate of the trim die 6 by interference fit mounted in upper mounted plate 5 is consolidated in shaped cavity, and side passes through bolt
It is connect with upper mounted plate 5, two pieces of side shields 8 are located at trimming by interference fit in the solid shaped cavity of upper mounted plate 5 respectively
The bottom of cavity plate 6, and side is connect by bolt with upper mounted plate 5.
Die shank 1 by interference fit in the shank hole of cope plate 2, cope plate 2 by bolt and positioning pin with it is upper solid
Fixed board 5 connects；Trimming punch 9 is connect by bolt and positioning pin with positioning plate 10, and positioning pin 12 is mounted in by interference fit and is led
Into the mounting hole at 13 both ends of bar, guide rod 13 is directly placed at by clearance fit in the guide groove of 10 lower face of positioning plate；
Lower 15 precommpression of retainer spring is mounted in each corresponding retainer hole of support plate 14；Positioning plate 10, support plate 14, lower bolster 16 pass through
Bolt and positioning pin are connect with lower template 17.
Loading and unloading material device includes loading and unloading material spring 4 and knockout plate 7, and knockout plate 7 is through 4 horizontal suspension of loading and unloading material spring in trimming
It is slidably connected inside cavity plate 6 and with the inner wall of trim die 6, outer rim seam allowance and 6 inner wall of trim die of 7 top both sides of knockout plate
In inner ring seam allowance limit connection.
The knockout plate 7 is directly placed at by clearance fit in the intermediate shape chamber of trim die 6, the loading and unloading material spring
4 have five, wherein a precommpression, in the spring eye corresponding with knockout plate 7 of die shank 1, in addition four rectangular precommpression fill
In the spring eye corresponding with knockout plate 7 of cope plate 2.The closed height that mold can thus be reduced, enables mold to be mounted on
It is made on 100T forcing presses, and loading and unloading material spring 4 is made to have enough stripping forces.
The rear and front end of the trim die 6 is respectively provided with a groove for automatically correcting die clearance, before trimming punch 9
Both ends are respectively respectively equipped with a boss for automatically correcting die clearance, groove and boss clearance fit, double-faced clearance 0.08 afterwards
~0.10mm.The uniformity in cross cutting side gap does not just lean on pincers worker manual skill to control above and below in this way, but leans on machine finish
Ensure, to improving Mold Making precision.
The trimming cutting edge of 9 both sides of the trimming punch is arranged in sloping inwardly, and angle of inclination is 3 °.Product can be made to cut in this way
Feeding is easy (because when trimming, product can be sticked on trimming punch 9, cause feeding difficult) behind side, and above trimming punch 9
If there are one the step (i.e. step height is higher 0.5mm than product plate thickness) for the protrusion for being higher by trimming cutting edge, can thus prevent
Only in trimming, knockout plate 7 is directly born against at the both sides trimming circular arc cutting edge of trimming punch 9 mold, causes trimming punch 9 frequent
Cracking has lower bolster 16 to pad because trimming punch 9 is only intermediate, and trimming circular arc cutting edge in both sides is that vacantly (will step down production entirely
Product), after present trimming punch 9 designs a raised step above, upper mold knockout plate 7 is the centre for being pressed in trimming punch 9
On boss, and the both sides trimming circular arc cutting edge of trimming punch 9 protects trimming punch 9 not by the pressure of knockout plate 7 to play
Effect.
The double-faced clearance of guide groove and guide rod 13 is 0.14~0.16mm.(because trimming is by being fixed on guide rod 13
The positioning pin 12 at both ends positions inner hole of workpiece), ensure two circular arc concentricities≤0.5mm after workpiece trimming in this way.
Unilateral guide sleeve guide pillar structure is equipped between the cope plate 2 and lower template 17, guide sleeve 3 is by interference fit mounted in upper
In the dowel hole of 2 rear both sides of template, guide post 11 is by interference fit in the guide pillar hole of 17 rear both sides of lower template.
It is HRC59~61 that the trim die 6 and trimming punch 9, which select mold materials Cr12MoV1, quenching hardness, this
Sample improves the intensity of trim die 6 and trimming punch 9, to improving die life..
Such Automobile drive rear axle bracket assy., spring seat be by 6.0mm thickness hot rolled plate it is stamped be processed into, in blanking, fall
The trimming processing of shaving die can be directly used in after material, bending, punching operation, procedure of processing is as follows：
1st step：The utility model mold is mounted on 100T forcing presses；
2nd step：Prefabricated bracket assy., spring seat two pieces workpiece after blanking, blanking, bending, punching operation is individually placed to trimming
Then endoporus among workpiece is set in the arranged on left and right sides face of punch-pin 9 and positioning plate 10 with positioning pin 12, positioning plate 10 is used in combination to position
Good workpiece front and rear ends inner surface；
3rd step：Forcing press is started, cope plate 2 is run down with lathe upper table, and side shield 8 first keeps off clamping of workpieces side
Face carries out rigid positioning to workpiece, knockout plate 7 under the pressure effect of loading and unloading material rubber 4 with the first workpiece pressing of trimming punch 9,
Then 6 Continued downward motion of trim die completes the trimming process of workpiece a line with trimming punch 9（That is at this moment left and right two pieces
Workpiece has only completed the trimming of a line）；
4th step：After the trimming processing of workpiece a line, the top half return of forcing press top shoe driven mold, then
Knockout plate 7 unloads the waste material after trimming under the active force of loading and unloading material spring 4 from the inner cavity of trim die 6, then with auxiliary
Waste material taking-up after trimming is placed into ash can by tool；
5th step：Work step has just cut the two pieces workpiece of a line circular arc in taking-up, then by one face of the two pieces workpiece turning
(i.e. 180 ° of workpiece turning) relays the arranged on left and right sides face in trimming punch 9 and positioning plate 10, then sets work with positioning pin 12
Endoporus among part is used in combination positioning plate 10 to have good positioning workpiece front and rear ends inner surface；
6th step：Forcing press is started, cope plate 2 is run down with lathe upper table, and side shield 8 first keeps off clamping of workpieces side
Face carries out rigid positioning to workpiece, knockout plate 7 under the pressure effect of loading and unloading material rubber 4 with the first workpiece pressing of trimming punch 9,
Then 6 Continued downward motion of trim die completes the trimming process of the other a line of workpiece with trimming punch 9（It is i.e. at this moment left and right
The trimming on two sides has been completed in two pieces workpiece）；
7th step：After the trimming processing of the other a line of workpiece, the top half return of forcing press top shoe driven mold,
Then knockout plate 7 unloads the waste material after trimming under the active force of loading and unloading material spring 4 from the inner cavity of trim die 6, then uses
Waste material taking-up after trimming is placed into ash can by auxiliary tool, and (i.e. two sides are all cut by two workpiece that trimming processes
The workpiece of good circular arc) it is placed into body feed tank；
8th step：The operation that step 2 arrives step 7 is repeated, the making of lower two pieces workpiece is carried out.
Such Automobile drive rear axle bracket assy., spring seat is using after shaving die and trimming technology, trimming crown height and same
The relative dimensions such as axis degree are reduced to present five processes in the margin of tolerance by seven traditional procedures.It is produced improving
Also production capacity is improved while quality, product split run production capacity increases to 3420 by 90, and split run production capacity improves 37 times.Single-piece
Product fine plasma cutting technique processing cost take be 12.56 yuan, be changed into mold trimming technology processing cost expense be
0.15 yuan, single products processing cost expense has dropped 82 times, and workpiece quality is stablized.Sustainable stabilization ensures driving rear axle
Bracket assy., spring seat reaches product drawing design requirement.
Claims (10)
1. a kind of Automobile drive rear axle bracket assy., spring seat shaving die, including upper die and lower die, which is characterized in that upper mold includes mould
Handle (1), cope plate (2) and upper mounted plate (5) and loading and unloading material device, fixed plate (5) be internally provided with trim die (6),
The two bottom sides of trim die (6) are respectively equipped with a side shield（8）, the lower die includes that sequentially connected trimming from top to bottom is convex
Mould（9）, positioning plate（10）, support plate（14）, lower bolster（16）And lower template（17）, the positioning plate（10）It is set among lower face
There are guide groove, the cooperation of guide groove internal clearance to be equipped with guide rod（13）, guide rod（13）Both ends be respectively equipped with positioning pin（12）, fixed
Position plate（10）Lower part through lower retainer spring（15）Mounted on support plate（14）On, the trim die (6) and trimming punch（9）
It forms the unilateral of two pieces rear axle spring panel seat and cuts mould.
2. a kind of Automobile drive rear axle bracket assy., spring seat shaving die according to claim 1, which is characterized in that described to cut
Cavity plate of the edge die (6) by interference fit mounted in upper mounted plate (5) is consolidated in shaped cavity, and side passes through bolt and upper mounted plate
(5) it connects, two pieces of side shields（8）Trim die is located in the solid shaped cavity of upper mounted plate (5) by interference fit respectively
(6) bottom, and side is connect by bolt with upper mounted plate (5).
3. a kind of Automobile drive rear axle bracket assy., spring seat shaving die according to claim 1 or 2, which is characterized in that mould
Handle（1）By interference fit in the shank hole of cope plate (2), cope plate (2) passes through bolt and positioning pin and upper mounted plate
(5) it connects；Trimming punch（9）Pass through bolt and positioning pin and positioning plate（10）Connection, positioning pin（12）It is filled by being interference fitted
In guide rod（13）In the mounting hole at both ends, guide rod（13）It is directly placed at positioning plate by clearance fit（10）Lower face
In guide groove；Lower retainer spring（15）Precommpression is mounted in support plate（14）In each corresponding retainer hole；Positioning plate（10）, support plate
（14）, lower bolster（16）Pass through bolt and positioning pin and lower template（17）Connection.
4. a kind of Automobile drive rear axle bracket assy., spring seat shaving die according to claim 1, which is characterized in that loading and unloading material
Device includes loading and unloading material spring（4）And knockout plate（7）, knockout plate（7）Through loading and unloading material spring（4）Horizontal suspension is in trim die
(6) internal and and trim die（6）Inner wall be slidably connected, knockout plate（7）The outer rim seam allowance of top both sides and trim die (6)
Inner ring seam allowance limit connection in inner wall.
5. a kind of Automobile drive rear axle bracket assy., spring seat shaving die according to claim 4, which is characterized in that described to beat
Flitch（7）It is directly placed in the intermediate shape chamber of trim die (6) by clearance fit, the loading and unloading material spring（4）There are five,
Wherein a precommpression is mounted in die shank (1) and knockout plate（7）In corresponding spring eye, in addition four rectangular precommpression are mounted in upper
Template (2) and knockout plate（7）In corresponding spring eye.
6. a kind of Automobile drive rear axle bracket assy., spring seat shaving die according to claim 1, which is characterized in that described to cut
The rear and front end of edge die (6) is respectively provided with a groove for automatically correcting die clearance, trimming punch（9）Each point of rear and front end
It does not set there are one the boss for automatically correcting die clearance, groove and boss clearance fit, double-faced clearance is 0.08~0.10mm.
7. a kind of Automobile drive rear axle bracket assy., spring seat shaving die according to claim 1 or 2, which is characterized in that institute
State trimming punch（9）The trimming cutting edge of both sides is arranged in sloping inwardly, and angle of inclination is 3 °.
8. a kind of Automobile drive rear axle bracket assy., spring seat shaving die according to claim 1 or 2, which is characterized in that lead
To slot and guide rod（13）Double-faced clearance be 0.14~0.16mm.
9. a kind of Automobile drive rear axle bracket assy., spring seat shaving die according to claim 1, which is characterized in that on described
Template (2) and lower template（17）Between be equipped with unilateral guide sleeve guide pillar structure, guide sleeve（3）It is mounted in cope plate (2) by interference fit
In the dowel hole of rear both sides, guide post（11）It is mounted in lower template by interference fit（17）In the guide pillar hole of rear both sides.
10. a kind of Automobile drive rear axle bracket assy., spring seat shaving die according to claim 1 or 2, which is characterized in that institute
State trim die (6) and trimming punch（9）It is HRC59~61 to select mold materials Cr12MoV1, quenching hardness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721673797.7U CN207681262U (en) | 2017-12-06 | 2017-12-06 | A kind of Automobile drive rear axle bracket assy., spring seat shaving die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721673797.7U CN207681262U (en) | 2017-12-06 | 2017-12-06 | A kind of Automobile drive rear axle bracket assy., spring seat shaving die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207681262U true CN207681262U (en) | 2018-08-03 |
Family
ID=62996541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721673797.7U Expired - Fee Related CN207681262U (en) | 2017-12-06 | 2017-12-06 | A kind of Automobile drive rear axle bracket assy., spring seat shaving die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207681262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248956A (en) * | 2018-11-15 | 2019-01-22 | 江西江铃底盘股份有限公司 | A kind of Automobile drive rear axle brake holder floating jib formula punching die and punching technology |
-
2017
- 2017-12-06 CN CN201721673797.7U patent/CN207681262U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109248956A (en) * | 2018-11-15 | 2019-01-22 | 江西江铃底盘股份有限公司 | A kind of Automobile drive rear axle brake holder floating jib formula punching die and punching technology |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20181206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |