CN103894475A - Side hole punching die of U-shaped guide rod base of automobile driving axle - Google Patents
Side hole punching die of U-shaped guide rod base of automobile driving axle Download PDFInfo
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- CN103894475A CN103894475A CN201410152252.6A CN201410152252A CN103894475A CN 103894475 A CN103894475 A CN 103894475A CN 201410152252 A CN201410152252 A CN 201410152252A CN 103894475 A CN103894475 A CN 103894475A
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Abstract
The invention discloses a side hole punching die of a U-shaped guide rod base of an automobile driving axle. The side hole punching die comprises an upper die body and a lower die body, and is characterized in that the upper die body comprises a die handle, an upper die plate, a male die base plate, a male die fixing plate, a punching male die, side edge unloading rubber, middle unloading rubber and an unloading plate, the die handle, the upper die plate, the male die base plate, the male die fixing plate, the punching male die, the side edge unloading rubber, the middle unloading rubber and the unloading plate are sequentially fastened and connected from top to bottom, the lower die body comprises a punching female die, a female die fixing plate, a female die fixing plate inner guide sleeve, a female die fixing plate inner guiding column, a female die fixing plate supporting spring and a lower die plate, the punching female die, the female die fixing plate, the female die fixing plate inner guide sleeve, the female die fixing plate inner guiding column, the female die fixing plate supporting spring and the lower die plate are sequentially fastened and connected from top to bottom, the middles of the left side edge and the right side edge of the female die fixing plate are respectively provided with a side edge locating block, and the female die fixing plate is connected with the lower die plate through the female die fixing plate supporting spring. The punching process is stable, deformation is avoided, and it is accordingly guaranteed that the concentricity of side holes in the two edges is stable.
Description
Technical field
The invention belongs to machining equipment field, relate to a kind of punching die of the pole socket side opening that leads, particularly a kind of punching die of automobile drive axle U-shaped guiding pole socket side opening.
Background technology
Automobile drive axle is transmitting tractive power, brake force and the corresponding moment of reaction, and guide post need to be installed, and guide post is normally arranged on above the guiding pole socket being welded on vehicle driving axle housing body.The effect of guide post is led exactly, ensure that a slip object advances according to the track of specifying, thereby the object that reduces to slide is at the offset deviation perpendicular to track designation direction, increases running accuracy.For ensureing the installation accuracy of guide post, just seem very important of the precision control that is the side opening concentricity on both sides to the installing hole of guiding pole socket.
The traditional mode of production of guiding pole socket is the side opening that adopts CNC milling machine processing both sides after blanking operation and molding procedure.Use traditional processing technology, not only need to drop into multiple production equipment, and produce consuming time longlyer, production efficiency is lower.
What the present invention existed based on production technology in prior art just can optimization consider, design a kind of punching die of U-shaped part side opening, in stamping procedure, complete the processing of workpiece two side holes, meet by a kind of energy of design the punching die of producing U-shaped part side opening like this, the production efficiency that improves product, just seems very necessary.
Summary of the invention
The object of the invention is to optimize the deficiency of existing production technology, adapt to reality needs, a kind of automobile drive axle U-shaped guiding pole socket side opening punching die is provided.
In order to realize object of the present invention, the technical solution used in the present invention is:
A kind of automobile drive axle U-shaped guiding pole socket side opening punching die, comprise patrix and counterdie, described patrix comprises the die shank being fastenedly connected successively from top to bottom, cope match-plate pattern, convex mould pad, punch retainer, piercing punch, side discharging rubber, intermediate discharging rubber and stripper, described counterdie comprises the punching concave die being fastenedly connected successively from top to bottom, die block, guide pin bushing in die block, die block inner guiding post, die block support spring and lower bolster, the middle part, limit, the left and right sides of described die block is respectively provided with a side locating piece, described die block is connected with lower bolster by die block support spring.
Between described patrix and counterdie, be provided with guide pillar guide sleeve structure, described guide pin bushing is connected with cope match-plate pattern by interference fit, and described guide pillar is connected with lower bolster by interference fit; Between described die block and lower bolster, be provided with guide pillar guide sleeve structure, in described die block, guide pin bushing is connected with die block by interference fit, described die block inner guiding post is connected with lower bolster by interference fit, and in die block, guide pin bushing and die block inner guiding post are slidably connected and form guide pillar guide sleeve structure.
Die shank and cope match-plate pattern are interference fit, described convex mould pad is arranged on the below of cope match-plate pattern by bolt and alignment pin, punch retainer is fastenedly connected in convex mould pad below by bolt and alignment pin, piercing punch and punch retainer are interference fit, stripper is fastenedly connected in punch retainer below by stripper fastening bolt, piercing punch passes the discharging slot to make way of stripper and is slidably connected with discharging slot to make way, piercing punch is through the resigning hole of side discharging rubber, side discharging rubber is bolted connection in the middle of punch retainer and stripper, intermediate discharging rubber is bolted connection in the centre of punch retainer and stripper.
Described side locating piece is bolted connection the dual-side in die block, punching concave die and die block interference fit.
Die block support spring endoporus entangles die block inner guiding post and is placed on the top of lower bolster, and in the die block on die block, guide pin bushing entangles die block inner guiding post and be placed on the top of die block support spring.
Beneficial effect of the present invention is:
1. side opening punching die of the present invention is in the time of punching, the impulse force that piercing punch can be applied downwards blank is cushioned and is uninstalled by support spring, make blank punch process stable, ensure that the face shaping of U-shaped guiding pole socket is regular not deform, thereby ensure that the concentricity of its both sides side opening is stable;
2. can promote productive temp, strengthen production capacity, reduce production costs.
Brief description of the drawings
Fig. 1 is the structural representation of side opening punching die of the present invention;
Fig. 2 is the plan structure schematic diagram of the embodiment of the present invention 1 part of the lower die;
Fig. 3 is the structural representation after the punching of workpiece side opening.
Fig. 4 is the side-looking structural representation after the punching of workpiece side opening.
In figure, 1 is die shank, and 2 is cope match-plate pattern, and 3 is guide pin bushing, 4 is piercing punch, and 5 is side discharging rubber, and 6 is intermediate discharging rubber, and 7 is stripper, 8 is punching concave die, and 9 is side locating piece, and 10 is guide pin bushing in die block, 11 is die block inner guiding post, and 12 is die block support spring, and 13 is stripper fastening bolt, 14 is convex mould pad, and 15 is punch retainer, and 16 is guiding pole socket, 17 is die block, and 18 is guide pillar, and 19 is lower bolster.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described:
Embodiment: referring to Fig. 1---Fig. 4.
The invention discloses a kind of automobile drive axle U-shaped guiding pole socket side opening punching die, comprise patrix and counterdie, described patrix comprises the die shank 1 being fastenedly connected successively from top to bottom, cope match-plate pattern 2, convex mould pad 14, punch retainer 15, piercing punch 4, side discharging rubber 5, intermediate discharging rubber 6, stripper 7, described counterdie comprises the punching concave die 8 being fastenedly connected successively from top to bottom, die block 17, guide pin bushing 10 in die block, die block inner guiding post 11, die block support spring 12, lower bolster 19, the middle part, limit, the left and right sides of described die block 17 is respectively provided with a side locating piece 9, described die block 17 overall weight are all carried on above die block support spring 12.
Between described patrix and counterdie, be provided with guide pillar guide sleeve structure, described guide pin bushing 3 is connected with cope match-plate pattern 2 by interference fit, and described guide pillar 18 is connected with lower bolster 19 by interference fit; Between described die block 17 and lower bolster 19, be provided with guide pillar guide sleeve structure, in described die block, guide pin bushing 10 is connected with die block 17 by interference fit, and described die block inner guiding post 11 is connected with lower bolster 19 by interference fit.
Die shank 1 is interference fit with cope match-plate pattern 2, convex mould pad 14 is arranged on the below of cope match-plate pattern 2 by bolt and alignment pin, punch retainer 15 is fastenedly connected in convex mould pad 14 belows by bolt and alignment pin, piercing punch 4 is interference fit with punch retainer 15, stripper 7 by piercing punch 4 by being fastenedly connected in punch retainer 15 belows in its discharging slot to make way and by stripper fastening bolt 13, side discharging rubber 5 is middle by being bolted connection in its resigning hole in punch retainer 15 and stripper 7 by piercing punch 4, intermediate discharging rubber 6 is bolted connection in the middle of punch retainer 15 and stripper 7, side locating piece 9 is bolted connection in the dual-side of die block 17, punching concave die 8 and die block 17 interference fit, guide pin bushing 10 and die block 17 interference fit in die block, die block inner guiding post 11 is interference fit with lower bolster 19, die block support spring 12 endoporus entangle die block inner guiding post 11 and are placed on the top of lower bolster 19, and in the die block on die block 17, guide pin bushing 10 entangles die block inner guiding post 11 and be placed on the top of die block support spring 12.
Operation principle of the present invention is summarized as follows:
Such Jiangling land wind 4-wheel driven car series guiding pole socket is to be made up through punch process of the thick steel for automobile crossbeam plate of 6mm, completes after first blanking procedure, second blanking operation, San road molding procedure side opening punching die processing for the side opening of both sides:
The first step, by automobile drive axle U-shaped guiding pole socket side opening punching die of the present invention, is arranged on steam-operating 160T open type press with fixed bench.
Second step, as shown in Figure 2, guiding pole socket 16 after molding procedure is placed on respectively in the location type groove between side locating piece 9 and the die block 17 of the left and right sides, and the U-shaped bottom surface straight flange of guiding pole socket 16 is nestled up to the stepped ramp type positioning spigot of die block 17.
The 3rd step, starts forcing press guiding pole socket 16 is carried out to punch process, and piercing punch 4 moves downward, and the pole socket 16 that makes to lead completes the punching of side opening on one side above punching concave die 8.
The 4th step, forcing press upper table face, piercing punch 4 and stripper 7 returns, as shown in Figure 2, by punching of the right and left well on one side the guiding pole socket 16 of side opening change and exchange in the location type groove being respectively put into again between side locating piece 9 and die block 17, the pole socket 16 that makes to lead does not rush one side of side opening and places upward, and the U-shaped bottom surface straight flange of guiding pole socket 16 is nestled up to the stepped ramp type positioning spigot of die block 17.
The 5th step, starts forcing press guiding pole socket 16 is carried out to punch process, and piercing punch 4 moves downward, and the pole socket 16 that makes to lead completes once the not punching punching of side opening on one side above punching concave die 8.The size that reaches both sides side opening is that 15.20 mm, concentricity are 0.20---0.25mm and make the A/F of U-shaped remain on 71.90---between 72.10, and after side opening punching, the structure of guiding pole socket 16 as shown in Figure 3.
The guiding pole socket punch process that adopts automobile drive axle U-shaped guiding pole socket side opening punching die of the present invention to make is stable, the A/F of U-shaped straight flange is 72 ± 0.1, the concentricity of two side holes is 0.22 mm ± 0.03mm, the uniformity of monnolithic case is regular, and sustainable stable two the side opening concentricitys of guide post seat of guaranteeing reach the designing requirement of product drawing.In improving the quality of products, also promoted production capacity, the production technology of Jiangling land wind 4-wheel driven car series guiding pole socket side opening is optimized for present open type press with fixed bench by original CNC milling machine processing and processes.Single products split run production capacity is promoted to 1330 by 320, and split run production capacity has promoted 316%.
Claims (5)
1. an automobile drive axle U-shaped guiding pole socket side opening punching die, comprise patrix and counterdie, it is characterized in that: described patrix comprises the die shank (1) being fastenedly connected successively from top to bottom, cope match-plate pattern (2), convex mould pad (14), punch retainer (15), piercing punch (4), side discharging rubber (5), intermediate discharging rubber (6) and stripper (7), described counterdie comprises the punching concave die (8) being fastenedly connected successively from top to bottom, die block (17), guide pin bushing (10) in die block, die block inner guiding post (11), die block support spring (12) and lower bolster (19), the middle part, limit, the left and right sides of described die block (17) is respectively provided with a side locating piece (9), described die block (17) is connected with lower bolster (19) by die block support spring (12).
2. mould according to claim 1, it is characterized in that: between described die block (17) and lower bolster (19), be provided with guide pillar guide sleeve structure, in described die block, guide pin bushing (10) is connected with die block (17) by interference fit, described die block inner guiding post (11) is connected with lower bolster (19) by interference fit, and in die block, guide pin bushing (10) connects to form guide pillar guide sleeve structure with die block inner guiding post (11).
3. mould according to claim 1, it is characterized in that: described convex mould pad (14) is arranged on the below of cope match-plate pattern (2) by bolt and alignment pin, punch retainer (15) is fastenedly connected in convex mould pad (14) below by bolt and alignment pin, piercing punch (4) is interference fit with punch retainer (15), stripper (7) is fastenedly connected in punch retainer (15) below by stripper fastening bolt (13), piercing punch (4) passes the discharging slot to make way of stripper (7) and is slidably connected with discharging slot to make way, piercing punch (4) is through the resigning hole of side discharging rubber (5), side discharging rubber (5) is bolted connection in the middle of punch retainer (15) and stripper (7), intermediate discharging rubber (6) is bolted connection in the centre of punch retainer (15) and stripper (7).
4. mould according to claim 1, is characterized in that: described side locating piece (9) is bolted connection in the dual-side of die block (17), punching concave die (8) and die block (17) interference fit.
5. mould according to claim 2, it is characterized in that: die block support spring (12) endoporus entangles die block inner guiding post (11) and be placed on the top of lower bolster (19), in the die block on die block (17), guide pin bushing (10) entangles die block inner guiding post (11) and is placed on the top of die block support spring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410152252.6A CN103894475B (en) | 2014-04-16 | 2014-04-16 | Automobile drive axle U-shaped guide rod seat side opening punching die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410152252.6A CN103894475B (en) | 2014-04-16 | 2014-04-16 | Automobile drive axle U-shaped guide rod seat side opening punching die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103894475A true CN103894475A (en) | 2014-07-02 |
| CN103894475B CN103894475B (en) | 2016-02-10 |
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| CN201410152252.6A Active CN103894475B (en) | 2014-04-16 | 2014-04-16 | Automobile drive axle U-shaped guide rod seat side opening punching die |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959458A (en) * | 2015-06-29 | 2015-10-07 | 柳州市旭臻机械制造有限公司 | Device for punching left instrument panel middle beam support |
| CN106334766A (en) * | 2016-11-04 | 2017-01-18 | 宁波市振兴锁业有限公司 | Locking hole stamping device on the lock plate and stamping method thereof |
| CN107755544A (en) * | 2017-12-06 | 2018-03-06 | 江西江铃底盘股份有限公司 | A kind of Automobile drive back axle buffing pad once imprints two pieces technique and impressing mould and its imprint process |
| CN111672970A (en) * | 2020-06-10 | 2020-09-18 | 芜湖众力底盘系统有限公司 | A U-shaped piece punching die structure |
| CN117505658A (en) * | 2023-12-01 | 2024-02-06 | 中车长江车辆有限公司 | A punching mold, a punching method thereof, and a punching processing device |
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| JPH10296350A (en) * | 1997-04-22 | 1998-11-10 | Toshiba Corp | Semiconductor lead frame punching die |
| US6347900B1 (en) * | 1997-02-10 | 2002-02-19 | Nsk Ltd. | Yoke for universal joint, and production process for the same |
| CN201960043U (en) * | 2011-01-26 | 2011-09-07 | 成都万荣科技有限责任公司 | Novel cantilever type bidirectional punching die |
| CN102179441A (en) * | 2011-04-07 | 2011-09-14 | 江西江铃底盘股份有限公司 | Trimming module and process for automobile plate spring support |
| CN202070665U (en) * | 2011-03-25 | 2011-12-14 | 山东潍坊福田模具有限责任公司 | Floating female die |
| CN202427802U (en) * | 2011-12-23 | 2012-09-12 | 凯盛重工有限公司 | Die for machining left and right symmetric holes of U-shaped part |
| CN203887014U (en) * | 2014-04-16 | 2014-10-22 | 江西江铃底盘股份有限公司 | Punching die of side hole of U-shaped guide bar seat of automobile drive axle |
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2014
- 2014-04-16 CN CN201410152252.6A patent/CN103894475B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6347900B1 (en) * | 1997-02-10 | 2002-02-19 | Nsk Ltd. | Yoke for universal joint, and production process for the same |
| JPH10296350A (en) * | 1997-04-22 | 1998-11-10 | Toshiba Corp | Semiconductor lead frame punching die |
| CN201960043U (en) * | 2011-01-26 | 2011-09-07 | 成都万荣科技有限责任公司 | Novel cantilever type bidirectional punching die |
| CN202070665U (en) * | 2011-03-25 | 2011-12-14 | 山东潍坊福田模具有限责任公司 | Floating female die |
| CN102179441A (en) * | 2011-04-07 | 2011-09-14 | 江西江铃底盘股份有限公司 | Trimming module and process for automobile plate spring support |
| CN202427802U (en) * | 2011-12-23 | 2012-09-12 | 凯盛重工有限公司 | Die for machining left and right symmetric holes of U-shaped part |
| CN203887014U (en) * | 2014-04-16 | 2014-10-22 | 江西江铃底盘股份有限公司 | Punching die of side hole of U-shaped guide bar seat of automobile drive axle |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104959458A (en) * | 2015-06-29 | 2015-10-07 | 柳州市旭臻机械制造有限公司 | Device for punching left instrument panel middle beam support |
| CN106334766A (en) * | 2016-11-04 | 2017-01-18 | 宁波市振兴锁业有限公司 | Locking hole stamping device on the lock plate and stamping method thereof |
| CN107755544A (en) * | 2017-12-06 | 2018-03-06 | 江西江铃底盘股份有限公司 | A kind of Automobile drive back axle buffing pad once imprints two pieces technique and impressing mould and its imprint process |
| CN107755544B (en) * | 2017-12-06 | 2024-04-19 | 江西江铃底盘股份有限公司 | One-time imprinting two-piece process for automobile drive rear axle buffer seat, imprinting mold and imprinting process thereof |
| CN111672970A (en) * | 2020-06-10 | 2020-09-18 | 芜湖众力底盘系统有限公司 | A U-shaped piece punching die structure |
| CN117505658A (en) * | 2023-12-01 | 2024-02-06 | 中车长江车辆有限公司 | A punching mold, a punching method thereof, and a punching processing device |
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| Publication number | Publication date |
|---|---|
| CN103894475B (en) | 2016-02-10 |
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