CN104759535B - A kind of compressible spacer mould of automobile driving axle main gear box - Google Patents
A kind of compressible spacer mould of automobile driving axle main gear box Download PDFInfo
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- CN104759535B CN104759535B CN201510145624.7A CN201510145624A CN104759535B CN 104759535 B CN104759535 B CN 104759535B CN 201510145624 A CN201510145624 A CN 201510145624A CN 104759535 B CN104759535 B CN 104759535B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of compressible spacer mould of automobile driving axle main gear box, it includes upper die and lower die, it is characterized in that, the intermediate throughholes of upper padding plate and upper molding concave die is slided and is provided with loading and unloading material briquetting, the intermediate throughholes of upper padding plate is provided with that stopping means is spacing with loading and unloading material briquetting to be connected, the intermediate throughholes of compacted under die is slided and is provided with lower discharging jacking block, the pressure head of loading and unloading material briquetting and the top of lower discharging jacking block form the upper of workpiece with adjacent intermediate throughholes inwall respectively, lower positioning spigot, on, die cavity profile upper with workpiece respectively in the intermediate throughholes port of compacted under die, lower outer mold surface is consistent；Loading and unloading material briquetting, upper molding concave die, compacted under die and lower discharging jacking block form the forming recess of a workpiece.The opposite opened cavity die structure of the present invention can make workpiece blank deformation little, it is to avoid breaking occurs in workpiece, it is ensured that the face shaping light of compressible spacer is regular, strength character and pressure curve stable.
Description
Technical field
The invention belongs to machining equipment field, relate to a kind of compressible spacer mould, particularly to a kind of compressible spacer mould of automobile driving axle main gear box.
Background technology
The pretightning force of drive axle reducer master gear bearing is very big to the performance impact of whole bridge.In general, the assembling form of master gear bearing clearance adjustment there are two kinds: incompressible spacer and compressible spacer.Compressible spacer can from the pretightning force of Row sum-equal matrix bearing in certain scope, and bearing pre-fastening can be adjusted optimally, it is to avoid bearing assembles tension, or bearing is crossed pine and produced axial float, reduce main gearbox assembly noise, improve main gearbox assembly quality；Simultaneously as it has compressibility, therefore it is prevented from main teeth nut and loosens；Additionally, compressible spacer can also solve the trouble of gear-bearing equipment adjustment, reduces the number of times of examination shimming, reduces labor intensity, improves production efficiency；It it is the desirable product substituting incompressible spacer.
The traditional mode of production of compressible spacer is to adopt double action oil hydraulic press processing, the mould used is complicated, operating procedure is many, produces length consuming time, it is important to owing to product blank deformation easily causes more greatly its internal tiny crack and affects properties of product, therefore, there is risk in the quality of product always.
Optimization property that the present invention is based in prior art production technology and exists considers, design the mould of a kind of die opposite opened structure, product blank deformation can be made little, compressible spacer is avoided to occur breaking, so can meet the compressible spacer mould of production by design one, improve quality stability and the production efficiency of product, just seem very necessary.
Summary of the invention
It is an object of the invention to optimize the deficiency of existing production technology, adapt to reality need, it is provided that a kind of compressible spacer mould of automobile driving axle main gear box.
In order to realize the purpose of the present invention, the technical solution used in the present invention is:
A kind of compressible spacer mould of automobile driving axle main gear box, it includes upper die and lower die, described upper mould includes the cope match-plate pattern, upper padding plate and the upper molding concave die that are fastenedly connected successively from top to bottom, and described counterdie includes the compacted under die, lower bolster and the lower bolster that are fastenedly connected successively from top to bottom；
The intermediate throughholes of described upper padding plate and upper molding concave die is slided and is provided with loading and unloading material briquetting, the intermediate throughholes of upper padding plate is provided with that stopping means is spacing with loading and unloading material briquetting to be connected, the pressure head of loading and unloading material briquetting forms the upper positioning spigot of workpiece with adjacent intermediate throughholes inwall, and in the intermediate throughholes lower port of upper molding concave die, die cavity profile is consistent with outer mold surface the first half of workpiece；
The intermediate throughholes of described compacted under die is slided and is provided with lower discharging jacking block, the top of lower discharging jacking block forms the lower positioning spigot of workpiece with adjacent intermediate throughholes inwall, and in the intermediate throughholes upper port of compacted under die, die cavity profile is consistent with the outer mold surface the latter half of workpiece；
Described loading and unloading material briquetting, upper molding concave die, compacted under die and lower discharging jacking block form the forming recess of a workpiece.
Described loading and unloading material briquetting is divided into briquetting seat, briquetting body and pressure head, the intermediate throughholes of upper padding plate is provided with two-stage through hole, the space of the edge end face composition of subordinate's through hole and upper molding concave die upper port is slidably connected with briquetting seat is spacing, the intermediate throughholes of briquetting body and upper molding concave die is slidably connected, pressure head and briquetting body end face form plano-concave shoulder, the upper positioning spigot of this plano-concave shoulder and upper molding concave die intermediate throughholes lower end inner wall composition workpiece.
Described lower discharging jacking block is divided into jacking block body and top, comes directly towards and becomes location plano-concave shoulder with jacking block figure, the lower positioning spigot of the intermediate throughholes upper end inwall composition workpiece of this location plano-concave shoulder and compacted under die.
The fall head of loading and unloading material briquetting, lower discharging jacking block top be highly respectively smaller than 1/2 of the workpiece axial height after molding, more than 1/3 of the workpiece axial height after molding.
Being provided with discharging rubber in the intermediate throughholes of described upper padding plate, discharging rubber is connected to the top of loading and unloading material briquetting.
The middle guide hole of described lower bolster and lower bolster is slidably connected and is provided with push rod, and push rod is located at below lower discharging jacking block.
Described compacted under die upper end is provided with the dual-guiding structure of the guide pillar guide pin bushing formation mould of the gathering sill of molding concave die, gathering sill and mould.
The beneficial effects of the present invention is:
1, the die opposite opened shaping structures mould of the present invention, the pressure head of loading and unloading material briquetting and the top of lower discharging jacking block form the upper and lower positioning spigot of workpiece with adjacent intermediate throughholes inwall respectively, and in the intermediate throughholes port of upper and lower molding concave die, die cavity profile is consistent with the upper and lower outer mold surface of workpiece respectively；Workpiece blank deformation can be made little, it is to avoid breaking occurs in workpiece, it is ensured that the face shaping light of compressible spacer is regular, strength character and pressure curve stable；
2, the fall head of loading and unloading material briquetting, lower discharging jacking block top be highly respectively smaller than 1/2 of the workpiece axial height after molding, more than the workpiece axial height after molding 1/3, workpiece is in upper and lower positioning spigot, owing to inside workpiece has the effect of pressure head and top, it is easy in the middle part of workpiece outwards deform, is deformed in port die cavity profile；
3, loading and unloading material briquetting has certain sliding space, is conducive to the pressure head of loading and unloading material briquetting and upper positioning spigot that workpiece is positioned；
4, compacted under die upper end is provided with the dual-guiding structure of the guide pillar guide pin bushing formation mould of the gathering sill of molding concave die, gathering sill and mould.Positioning and guiding effect is more preferably；
5, activity time can be shortened, improving production efficiency, increasing production capacity, reduction production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of mould of the present invention；
Fig. 2 is the part of the lower die plan structure schematic diagram of the embodiment of the present invention 1；
Fig. 3 is the structural representation before Workpiece shaping；
Fig. 4 is the structural representation after Workpiece shaping.
In figure, cope match-plate pattern 1, guide pin bushing 2, upper padding plate 3, discharging rubber 4, upper molding concave die 5, loading and unloading material briquetting 6, guide pillar 7, compressible spacer 8, compacted under die 9, lower discharging jacking block 10, lower bolster 11, push rod 12, lower bolster 13.
Detailed description of the invention
The technology that the present invention can pass through to illustrate in technical scheme can be embodied as, and below in conjunction with drawings and Examples, the present invention is further described:
Embodiment: referring to Fig. 1 Fig. 4.
nullThe invention discloses a kind of compressible spacer mould of automobile driving axle main gear box，Including upper mould and counterdie，Described upper mould includes the cope match-plate pattern 1 being fastenedly connected successively from top to bottom、Upper padding plate 3、Upper molding concave die 5，The intermediate throughholes of described upper padding plate 3 is provided with two-stage through hole，The intermediate throughholes higher level of upper padding plate 3 is provided with a discharging rubber 4，The intermediate throughholes subordinate of described upper padding plate 3 is provided with a loading and unloading material briquetting 6，Described counterdie includes the compacted under die 9 being fastenedly connected successively from top to bottom、Lower bolster 11 and lower bolster 13，The intermediate throughholes of described compacted under die 9 is provided with a lower discharging jacking block 10，The middle guide hole of described lower bolster 11 is provided with a push rod 12，The cross section of described upper molding concave die 5 is independent semi open model lotus shape，In it, die cavity profile is consistent with outer mold surface the first half of compressible spacer 8，The cross section of described compacted under die 9 is the semi open model lotus shape of peripheral band Folium Nelumbinis，Die cavity profile the first half consistent with the outer mold surface of compressible spacer 8 in it，In up and down, die cavity profile is consistent with the outer mold surface of compressible spacer 8，Described loading and unloading material briquetting 6、Upper molding concave die 5、Compacted under die 9 and lower discharging jacking block 10 form the forming recess of a compressible spacer 8.
Being provided with guide pillar guide sleeve structure between mould and counterdie on described, described guide pin bushing 2 is connected with cope match-plate pattern 1 by interference fit, and described guide pillar 7 is connected with lower bolster 13 by interference fit.
Described loading and unloading material briquetting 6 is divided into briquetting seat, briquetting body and pressure head, and described lower discharging jacking block 10 is divided into jacking block body and top.Pressure head and briquetting body end face form plano-concave shoulder, and this plano-concave shoulder and upper molding concave die 5 intermediate throughholes lower end inner wall form the upper positioning spigot of compressible spacer 8.Coming directly towards and become location plano-concave shoulder with jacking block figure, the intermediate throughholes upper end inwall of this location plano-concave shoulder and compacted under die 9 forms the lower positioning spigot of compressible spacer 8.
Upper padding plate 3 is arranged on the lower section of cope match-plate pattern 1 by bolt and alignment pin, upper molding concave die 5 is arranged on the lower section of upper padding plate 3 by bolt and alignment pin, intermediate throughholes higher level's matched in clearance of upper padding plate 3 connects a discharging rubber 4, the intermediate throughholes subordinate matched in clearance of upper padding plate 3 connects a loading and unloading material briquetting 6, the space of the edge end face composition of subordinate's through hole and upper molding concave die 5 upper port is slidably connected with briquetting seat is spacing, namely briquetting seat slides up and down with subordinate's through hole of the intermediate throughholes of upper molding concave die 5 and is connected, space further through the edge end face composition of subordinate's through hole and upper molding concave die 5 upper port is spacing；Compacted under die 9 is fastened on the top of lower bolster 11 by bolt and alignment pin, lower bolster 11 is fastened on the top of lower bolster 13 by bolt and alignment pin, the intermediate throughholes matched in clearance of compacted under die 9 connects a lower discharging jacking block 10, lower discharging jacking block 10 slides up and down with the intermediate throughholes of compacted under die 9 and is connected, the intermediate throughholes matched in clearance of lower bolster 11 connects a push rod 12, and push rod 12 slides up and down with the intermediate throughholes of lower bolster 11 and lower bolster 13 and is connected.
For ease of deformation and the sizing of compressible spacer 8, the fall head of loading and unloading material briquetting 6, lower discharging jacking block 10 top be highly respectively smaller than 1/2 of the workpiece axial height after molding, more than 1/3 of the workpiece axial height after molding.
Operation principle is summarized as follows:
The compressible spacer of such Jiangling NKR light truck-type main reducing gear of drive axle is to be processed into by the 10# seamless steel pipe of wall thickness 2.0mm is stamped, just can be used for the processing of mould after blanking procedure:
The first step, by compressible for the automobile driving axle main gear box of present invention spacer mould, is arranged on single action single-column band liftout tank 40T hydraulic press.
Second step, the liftout tank of hydraulic press is reached the position of its stroke minimum point, push rod 12 put into the middle guide hole of lower bolster 11 again and makes the upper plane upper plane lower than lower bolster 11 of push rod 12, then lower discharging jacking block 10 being put into compacted under die 9 intermediate throughholes.
3rd step, as in figure 2 it is shown, be placed on the lower positioning spigot of lower discharging jacking block 10 by compressible spacer 8 blank after blanking procedure.
4th step, start forcing press and compressible spacer 8 is carried out punch forming processing, on lathe, work platforms and upper molding concave die 5 move downward, until the lower surface of upper molding concave die 5 touches compacted under die 9 upper surface, on opposite opened die, lower part zoarium is kept closed, and make compressible spacer 8 at loading and unloading material briquetting 6, upper molding concave die 5, processing and forming is completed in the forming recess that compacted under die 9 and lower discharging jacking block 10 are formed, reach lengthwise dimension 20.6mm, protruding convex outer diameter φ 59.4mm, protruding convex surface arc radius R7, transition connects circular arc R 2, after overmolding, the structure of workpiece is as shown in Figure 4.
5th step, forcing press upper table face, upper molding concave die 5 and loading and unloading material briquetting 6 return, the liftout tank of hydraulic press is reached the position of its stroke peak again, makes push rod 12 by lower discharging jacking block 10 and compressible spacer 8 upwards jack-up, and make compressible spacer 8 depart from the inner chamber of compacted under die 9.
6th step, takes out compressible spacer 8 with long forceps and loads in body feed tank, restarts jacking cylinder of hydraulic press and resets, makes push rod 12 that lower discharging jacking block 10 is taken back the inner chamber of compacted under die 9.
Adopt the compressible spacer blank deformation that the automobile driving axle main gear box compressible spacer mould of the present invention makes little, it can be avoided to occur breaking, and its length direction fitted position stablizes 20.6 ± 0.1mm, protruding convex outer diameter φ 59.4mm ± 0.2mm, pressure curve in stablizing ascendant trend and being maintained in 70KN to 95KN scope.Sustainable stable guarantee that the Jiangling NKR light truck-type compressible spacer of main reducing gear of drive axle reaches product drawing designing requirement.Also improving production capacity while improving product quality, single products split run production capacity is promoted to 10600 by 7800, and split run production capacity improves 35.9%.
The scope of the present invention is not limited to above-described embodiment.Conceive also in protection scope of the present invention based on the technology same or like with the present invention; such as upper and lower positioning spigot; the fall head of loading and unloading material briquetting, lower discharging jacking block top height; dual-guiding structure etc.; the particularly relation of upper and lower mould; as lower die structure becomes upper die structure, upper die structure becomes lower die structure etc..
Claims (7)
1. the compressible spacer mould of automobile driving axle main gear box, it includes upper die and lower die, described upper mould includes the cope match-plate pattern (1), upper padding plate (3) and the upper molding concave die (5) that are fastenedly connected successively from top to bottom, described counterdie includes the compacted under die (9), lower bolster (11) and the lower bolster (13) that are fastenedly connected successively from top to bottom, it is characterized in that
The intermediate throughholes of described upper padding plate (3) and upper molding concave die (5) is slided and is provided with loading and unloading material briquetting (6), the intermediate throughholes of upper padding plate (3) is provided with that stopping means is spacing with loading and unloading material briquetting (6) to be connected, the pressure head of loading and unloading material briquetting (6) forms the upper positioning spigot of workpiece with adjacent intermediate throughholes inwall, and in the intermediate throughholes lower port of upper molding concave die (5), die cavity profile is consistent with outer mold surface the first half of workpiece；Being provided with discharging rubber (4) in the intermediate throughholes of described upper padding plate (3), discharging rubber (4) is connected to the top of loading and unloading material briquetting (6)；
The intermediate throughholes of described compacted under die (9) is slided and is provided with lower discharging jacking block (10), the top of lower discharging jacking block (10) forms the lower positioning spigot of workpiece with adjacent intermediate throughholes inwall, and in the intermediate throughholes upper port of compacted under die (9), die cavity profile is consistent with the outer mold surface the latter half of workpiece；
Described loading and unloading material briquetting (6), upper molding concave die (5), compacted under die (9) and lower discharging jacking block (10) form the forming recess of a workpiece.
2. a kind of compressible spacer mould of automobile driving axle main gear box according to claim 1, it is characterized in that, described loading and unloading material briquetting (6) is divided into briquetting seat, briquetting body and pressure head, the intermediate throughholes of upper padding plate (3) is provided with two-stage through hole, the space of the edge end face composition of subordinate's through hole and upper molding concave die (5) upper port is slidably connected with briquetting seat is spacing, the intermediate throughholes of briquetting body and upper molding concave die (5) is slidably connected, pressure head and briquetting body end face form plano-concave shoulder, this plano-concave shoulder and upper molding concave die (5) intermediate throughholes lower end inner wall form the upper positioning spigot of workpiece.
3. a kind of compressible spacer mould of automobile driving axle main gear box according to claim 2, it is characterised in that the fall head of loading and unloading material briquetting (6) is less than 1/2 of the workpiece axial height after molding, more than 1/3 of the workpiece axial height after molding.
4. a kind of compressible spacer mould of automobile driving axle main gear box according to claim 1 and 2, it is characterized in that, described lower discharging jacking block (10) is divided into jacking block body and top, come directly towards and become location plano-concave shoulder with jacking block figure, the lower positioning spigot of the intermediate throughholes upper end inwall composition workpiece of this location plano-concave shoulder and compacted under die (9).
5. a kind of compressible spacer mould of automobile driving axle main gear box according to claim 4, it is characterised in that the top height of lower discharging jacking block (10) is less than 1/2 of the workpiece axial height after molding, more than 1/3 of the workpiece axial height after molding.
6. a kind of compressible spacer mould of automobile driving axle main gear box according to claim 1, it is characterized in that, the middle guide hole of described lower bolster (11) and lower bolster (13) is slidably connected and is provided with push rod (12), and push rod (12) is located at lower discharging jacking block (10) lower section.
7. a kind of compressible spacer mould of automobile driving axle main gear box according to claim 1, it is characterized in that, described compacted under die (9) upper end is provided with the dual-guiding structure of the guide pillar guide pin bushing formation mould of the gathering sill of molding concave die (5), gathering sill and mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145624.7A CN104759535B (en) | 2015-03-31 | 2015-03-31 | A kind of compressible spacer mould of automobile driving axle main gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510145624.7A CN104759535B (en) | 2015-03-31 | 2015-03-31 | A kind of compressible spacer mould of automobile driving axle main gear box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759535A CN104759535A (en) | 2015-07-08 |
| CN104759535B true CN104759535B (en) | 2016-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510145624.7A Active CN104759535B (en) | 2015-03-31 | 2015-03-31 | A kind of compressible spacer mould of automobile driving axle main gear box |
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| CN (1) | CN104759535B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814169A (en) * | 2019-11-20 | 2020-02-21 | 江西江铃底盘股份有限公司 | Necking and bulging multi-station combined die and technology for elastic spacer bush of automobile driving rear axle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2047405C1 (en) * | 1993-01-21 | 1995-11-10 | Владислав Геннадьевич Егоров | Method and die for forming steep-curved branch pipes |
| CN201799524U (en) * | 2010-08-30 | 2011-04-20 | 李振全 | Stamping die for spacer bushes |
| CN102139303A (en) * | 2011-04-07 | 2011-08-03 | 江西江铃底盘股份有限公司 | Die and method for manufacturing elastic spacer bush |
| CN103272926A (en) * | 2013-05-21 | 2013-09-04 | 苏州市淞舜五金有限公司 | Primary stamping forming die |
| CN103817233A (en) * | 2012-11-16 | 2014-05-28 | 无锡爱博金属制品有限公司 | Bending, shaping and bulging die for automobile ABS (anti-skid brake system) supports |
| CN204545142U (en) * | 2015-03-31 | 2015-08-12 | 江西江铃底盘股份有限公司 | The compressible spacer mould of a kind of automobile driving axle main gear box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2883591B2 (en) * | 1997-03-07 | 1999-04-19 | アカマツフォーシス株式会社 | Method for forging and forging a cylindrical part having a substantially spherical bulge at the center |
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2015
- 2015-03-31 CN CN201510145624.7A patent/CN104759535B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2047405C1 (en) * | 1993-01-21 | 1995-11-10 | Владислав Геннадьевич Егоров | Method and die for forming steep-curved branch pipes |
| CN201799524U (en) * | 2010-08-30 | 2011-04-20 | 李振全 | Stamping die for spacer bushes |
| CN102139303A (en) * | 2011-04-07 | 2011-08-03 | 江西江铃底盘股份有限公司 | Die and method for manufacturing elastic spacer bush |
| CN103817233A (en) * | 2012-11-16 | 2014-05-28 | 无锡爱博金属制品有限公司 | Bending, shaping and bulging die for automobile ABS (anti-skid brake system) supports |
| CN103272926A (en) * | 2013-05-21 | 2013-09-04 | 苏州市淞舜五金有限公司 | Primary stamping forming die |
| CN204545142U (en) * | 2015-03-31 | 2015-08-12 | 江西江铃底盘股份有限公司 | The compressible spacer mould of a kind of automobile driving axle main gear box |
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| CN104759535A (en) | 2015-07-08 |
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