CN204148362U - A kind of collapsible dist collar flaring die - Google Patents
A kind of collapsible dist collar flaring die Download PDFInfo
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- CN204148362U CN204148362U CN201420567669.4U CN201420567669U CN204148362U CN 204148362 U CN204148362 U CN 204148362U CN 201420567669 U CN201420567669 U CN 201420567669U CN 204148362 U CN204148362 U CN 204148362U
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- enlarging
- stripper
- push rod
- punch
- bottom plate
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Abstract
The utility model discloses a kind of collapsible dist collar flaring die, its point the first half of mould and the latter half of mould, the first half of mould comprises cope match-plate pattern, guide pin bushing and enlarging pressing plate, the latter half of mould comprises enlarging punch, guide pillar, stripper and push rod, it is characterized in that: described enlarging pressing plate and cope match-plate pattern are bolted, enlarging pressing plate bottom surface is enlarging pressing plate plane; Enlarging punch is contained in bottom plate fixing hole by interference fit, the dumping pit of stripper is directly enclosed within formation on enlarging punch and is slidably connected, the push rod push rod guide hole that be provided with corresponding in bottom plate, lower bolster and lower bolster is slidably connected, the top of push rod contacts with the bottom surface of stripper below stripper, one mould once completes the enlarging of four workpiece, and production efficiency improves 2.7 times, improves 3 times die life, reduce production cost, and workpiece quality is stablized.
Description
Technical field
The utility model belongs to machining equipment field, relates to a kind of mould of collapsible dist collar enlarging, particularly a kind of for automobile rear driving axle collapsible dist collar flaring die to the method for collapsible dist collar enlarging.
Background technology
The pretightning force of rear driving axle decelerator master gear bearing is very large to the performance impact of whole bridge.In general, two kinds are had to the assembling form of master gear bearing clearance adjustment: rigidity spacer and collapsible dist collar.Collapsible dist collar can from the pretightning force of Row sum-equal matrix bearing in certain scope, and bearing pre-fastening can be adjusted to optimum state, avoid bearing assemble tension, or pine generation axial float crossed by bearing, reduce main gearbox assembly noise, improve main gearbox assembly quality; Meanwhile, because it has elasticity, therefore can prevent main teeth nut from loosening; In addition, collapsible dist collar can also solve the trouble of gear-bearing equipment adjustment, reduces the number of times of examination shimming, reduces labour intensity, enhances productivity; It is the desirable product of alternative rigidity spacer.
Normal collapsible dist collar flaring die mentality of designing is once enlarging workpiece, and such production efficiency is low, and production cost is high.Therefore, separately can ward off small stream footpath and design and produce out a set of mould being different from former scheme, the technical requirement of product can be met, can once complete again the processing and fabricating of four workpiece? thus enhance productivity, reduce production cost.
Utility model content
The purpose of this utility model is to provide a kind of flare formation multiple workpiece collapsible dist collar flaring die.
The purpose of this utility model is achieved in that
A kind of collapsible dist collar flaring die, its point the first half of mould and the latter half of mould, the first half of mould comprises cope match-plate pattern, guide pin bushing and enlarging pressing plate, the latter half of mould comprises enlarging punch, guide pillar, stripper, bottom plate, lower bolster, lower bolster, bottom plate and push rod, described enlarging pressing plate and cope match-plate pattern are bolted, and enlarging pressing plate bottom surface is enlarging pressing plate plane; Enlarging punch is contained in bottom plate fixing hole by interference fit, the dumping pit of stripper is directly enclosed within formation on enlarging punch and is slidably connected, the push rod push rod guide hole that be provided with corresponding in bottom plate, lower bolster and lower bolster is slidably connected, and the top of push rod contacts with the bottom surface of stripper below stripper.
Described enlarging punch is four, and bottom plate is symmetrical arranged; Push rod adopts five push rods, namely on the corner of symmetry, is respectively provided with a push rod, and center is provided with a push rod.
The double-faced clearance of guide pillar and guide pin bushing is 0.08 ~ 0.10mm.
The double-faced clearance of the positioning step on enlarging punch and product endoporus is 0.20 ~ 0.25mm.
Dumping pit on stripper and enlarging punch double-faced clearance are 0.30 ~ 0.35mm.
Also be provided with one piece of bottom plate below lower bolster, in bottom plate also in the push rod guide hole that is provided with of correspondence.
Described enlarging punch divides upper and lower two parts, and the top of enlarging punch is divided into the locating dowel of collapsible dist collar, and the bottom of enlarging punch is divided into the enlarging post of collapsible dist collar, the enlarging post that the dumping pit of stripper is enclosed within enlarging punch is formed and is slidably connected.
The dumping pit of described stripper is enclosed within enlarging punch, and when stripper contacts with bottom plate face, enlarging punch is the expanding section of collapsible dist collar a section of stripper.
The beneficial effects of the utility model are:
1. a multiple workpiece of flare formation, substantially increases the production efficiency of enterprise, greatly reduces the production cost of enterprise.
2. be convenient to strictly control the gap between positioning step and product endoporus, enhance the mold use life-span.
3. be convenient to strictly to control the gap between discharging plate hole on stripper and enlarging punch, when effectively prevent product enlarging, eject distortion.
4. set up one piece of bottom plate below lower bolster, effectively prevent counterdie distortion, improve mould strength.
5. adopt five push rods, make stripper uniform force not yielding.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of the utility model embodiment 1.
Fig. 2 is the plan structure schematic diagram of the utility model embodiment 1 the latter half.
In figure: cope match-plate pattern 1, guide pin bushing 2, enlarging pressing plate 3, enlarging punch 4, guide pillar 5, stripper 6, bottom plate 7, lower bolster 8, lower bolster 9, bottom plate 10, push rod 11.
Detailed description of the invention
The utility model specifically can be implemented by technical scheme, and by conducting further description the utility model the following examples, but scope of the present utility model is not limited to following embodiment.
Embodiment 1: its point the first half of mould and the latter half of mould, the first half of mould comprises cope match-plate pattern 1, guide pin bushing 2 and enlarging pressing plate 3, the latter half of mould comprises enlarging punch 4, guide pillar 5, stripper 6, bottom plate 7, lower bolster 8, lower bolster 9, bottom plate 10 and push rod 11, described enlarging pressing plate 3 is bolted with cope match-plate pattern 1, and guide pin bushing 2 is contained in cope match-plate pattern 1 dowel hole by interference fit; Enlarging punch 4 is contained in bottom plate 7 fixing hole by interference fit, and stripper 6 is directly enclosed within enlarging punch 4, and bottom plate 7, lower bolster 8 are bolted with lower bolster 9, and guide pillar 5 is contained in lower bolster 9 guide pillar hole by interference fit; Bottom plate 10 and lower bolster 9 are bolted, and push rod 11 is directly placed in bottom plate 7, lower bolster 8, lower bolster 9, each corresponding jogger hole of bottom plate 10.
Described enlarging punch about 4 points two parts, the top of enlarging punch 4 is divided into the locating dowel of collapsible dist collar, and the bottom of enlarging punch 4 is divided into the enlarging post of collapsible dist collar.
Guide pillar 5 is 0.08 ~ 0.10mm with the double-faced clearance of guide pin bushing 2.
The double-faced clearance of the positioning step on enlarging punch 4 and product endoporus is 0.20 ~ 0.25mm, ensures that product is placed on enlarging punch 4 to tilt like this; And it is evenly distributed that four enlarging punch 4 are pressed 90o diagonal, ensure that operator picks and places product so convenient, can die life be improved again.
Dumping pit on stripper 6 and enlarging punch 4 double-faced clearance are 0.30 ~ 0.35mm, prevent product enlarging like this and eject distortion.
Lower bolster 9 sets up one piece of bottom plate 11 below, in order to prevent counterdie compressive strain, improves mould strength like this, thus improves the unitary mould life-span.
Five push rod 11(i.e. centre is adopted to set up a push rod), make stripper 6 uniform force not yielding like this.
To process the collapsible dist collar of a landscape SUV bell card rear driving axle difficult to understand:
The collapsible dist collar flaring die mould structure of a SUV bell card rear driving axle difficult to understand is as shown in " Fig. 1 and Fig. 2 ": mould is divided into the first half of mould and the latter half of mould.
The first half structural relation of mould is: enlarging pressing plate 3 and cope match-plate pattern 1 are bolted, and guide pin bushing 2 is contained in cope match-plate pattern 1 dowel hole by interference fit.
The latter half structural relation of mould is: enlarging punch 4 is contained in bottom plate 7 by interference fit and fixes in plate hole, stripper 6 is directly enclosed within (double-faced clearance 0.30 ~ 0.35mm) on enlarging punch 4, stripper 6 selects mold materials T10A, quenching hardness is HRC50-55, bottom plate 7, lower bolster 8 are bolted with lower bolster 9, and guide pillar 5 is contained in lower bolster 9 guide pillar hole by interference fit; Bottom plate 10 and lower bolster 9 are bolted, and push rod 11 is directly placed in bottom plate 7, lower bolster 8, lower bolster 9, each corresponding jogger hole of bottom plate 10.
The collapsible dist collar flaring die of a SUV bell card rear driving axle difficult to understand is arranged on four cornice liftout tank 100T hydraulic presses by the mounting means of common flaring die.
Just can be directly used in flaring die after the collapsible dist collar blanking procedure of such SUV bell rear driving axle difficult to understand and carry out expanding:
1st step: the elasticity of a bell card rear driving axle difficult to understand for SUV is arranged on the 100T hydraulic press of single action four cornice liftout tank every flaring die;
2nd step: by the positioning step locating dowel of the collapsible dist collar inner hole sleeve after blanking procedure on enlarging punch 4;
3rd step: start hydraulic press, enlarging pressing plate 3 runs downwards with lathe upper table, and the enlarging post of enlarging punch 4 carries out enlarging to collapsible dist collar; The dumping pit of stripper 6 is enclosed within enlarging punch 4, and when stripper 6 contacts with bottom plate 7, enlarging punch 4 is the expanding section of collapsible dist collar a section of stripper 6.Enlarging punch 4 withstands enlarging pressing plate 3 expanding and completes.
4th step: after expanding, the first half return of hydraulic press upper table driven mold, start jacking cylinder of hydraulic press and eject push rod 11, push rod 11 ejects stripper 6, and stripper 6 ejects workpiece, then takes out workpiece with aid;
5th step: start jacking cylinder of hydraulic press and reset, stripper 6 resets by push rod 11;
The elasticity of a SUV bell card rear driving axle difficult to understand is after a use one mould enlarging four moulds, production efficiency improves 2.7 times, improve 3 times die life, reduce production cost, and workpiece quality is stablized, its length direction fitted position stablizes 63.5 ± 0.1mm, pressure curve in stablizing ascendant trend and remaining in 40KN to 50KN scope.Sustainablely stable guarantee that the elasticity of a SUV bell card rear driving axle difficult to understand is every reaching product drawing designing requirement.
Claims (8)
1. a collapsible dist collar flaring die, its point the first half of mould and the latter half of mould, the first half of mould comprises cope match-plate pattern (1), guide pin bushing (2) and enlarging pressing plate (3), the latter half of mould comprises enlarging punch (4), guide pillar (5), stripper (6), bottom plate (7), lower bolster (8), lower bolster (9), bottom plate (10) and push rod (11), it is characterized in that: described enlarging pressing plate (3) and cope match-plate pattern (1) are bolted, enlarging pressing plate (3) bottom surface is enlarging pressing plate plane, enlarging punch (4) is contained in bottom plate (7) fixing hole by interference fit, the dumping pit of stripper (6) is directly enclosed within the upper formation of enlarging punch (4) and is slidably connected, push rod (11) is slidably connected with the corresponding push rod guide hole be provided with in bottom plate (7), lower bolster (8) and lower bolster (9), and the top of push rod (11) contacts with the bottom surface of stripper (6) in stripper (6) below.
2. a kind of collapsible dist collar flaring die according to claim 1, is characterized in that described enlarging punch (4) is four, bottom plate (7) is symmetrical arranged; Push rod (11) adopts five push rods (11), and namely on the corner of symmetry, be respectively provided with a push rod (11), center is provided with a push rod (11).
3. a kind of collapsible dist collar flaring die according to claim 1, is characterized in that guide pillar (5) is 0.08 ~ 0.10mm with the double-faced clearance of guide pin bushing (2).
4. a kind of collapsible dist collar flaring die according to claim 1, is characterized in that the double-faced clearance of positioning step on enlarging punch (4) and product endoporus is 0.20 ~ 0.25mm.
5. a kind of collapsible dist collar flaring die according to claim 1, is characterized in that dumping pit on stripper (6) and enlarging punch (4) double-faced clearance are 0.30 ~ 0.35mm.
6. a kind of collapsible dist collar flaring die according to claim 1, is characterized in that lower bolster (9) is below also provided with one piece of bottom plate (10), in bottom plate (10) also in the push rod guide hole that is provided with of correspondence.
7. a kind of collapsible dist collar flaring die according to claim 1, it is characterized in that described enlarging punch (4) point upper and lower two parts, the top of enlarging punch (4) is divided into the locating dowel of collapsible dist collar, the bottom of enlarging punch (4) is divided into the enlarging post of collapsible dist collar, the enlarging post that the dumping pit of stripper (6) is enclosed within enlarging punch (4) is formed and is slidably connected.
8. a kind of collapsible dist collar flaring die according to claim 1, it is characterized in that the dumping pit of described stripper (6) is enclosed within enlarging punch (4), when stripper (6) contacts with bottom plate (7) face, enlarging punch (4) is the expanding section of collapsible dist collar a section of stripper (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567669.4U CN204148362U (en) | 2014-09-29 | 2014-09-29 | A kind of collapsible dist collar flaring die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567669.4U CN204148362U (en) | 2014-09-29 | 2014-09-29 | A kind of collapsible dist collar flaring die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204148362U true CN204148362U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420567669.4U Expired - Fee Related CN204148362U (en) | 2014-09-29 | 2014-09-29 | A kind of collapsible dist collar flaring die |
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| CN (1) | CN204148362U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170815A (en) * | 2015-10-14 | 2015-12-23 | 张家港保税区亚鑫精密制管有限公司 | Necking-down tool for steel pipe |
| CN105234297A (en) * | 2015-12-01 | 2016-01-13 | 江西江铃底盘股份有限公司 | Front axle compressible spacer bush flaring and bulging separate and synchronous processing die and method |
| CN109013872A (en) * | 2018-08-02 | 2018-12-18 | 江西江铃底盘股份有限公司 | A kind of automobile front axle collapsible dist collar multi-station mold and group technology |
| CN109622787A (en) * | 2019-01-30 | 2019-04-16 | 佛山市景和汽配有限公司 | A kind of mold for pipe fitting expanding |
-
2014
- 2014-09-29 CN CN201420567669.4U patent/CN204148362U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170815A (en) * | 2015-10-14 | 2015-12-23 | 张家港保税区亚鑫精密制管有限公司 | Necking-down tool for steel pipe |
| CN105234297A (en) * | 2015-12-01 | 2016-01-13 | 江西江铃底盘股份有限公司 | Front axle compressible spacer bush flaring and bulging separate and synchronous processing die and method |
| CN109013872A (en) * | 2018-08-02 | 2018-12-18 | 江西江铃底盘股份有限公司 | A kind of automobile front axle collapsible dist collar multi-station mold and group technology |
| CN109622787A (en) * | 2019-01-30 | 2019-04-16 | 佛山市景和汽配有限公司 | A kind of mold for pipe fitting expanding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20190929 |