CN1081942A - Integral bridge casing of drive bridge of automobile making method and mould thereof - Google Patents
Integral bridge casing of drive bridge of automobile making method and mould thereof Download PDFInfo
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- CN1081942A CN1081942A CN 93112085 CN93112085A CN1081942A CN 1081942 A CN1081942 A CN 1081942A CN 93112085 CN93112085 CN 93112085 CN 93112085 A CN93112085 A CN 93112085A CN 1081942 A CN1081942 A CN 1081942A
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- pipe
- drift
- mould
- slide core
- school shape
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Abstract
What the present invention relates to is a kind of manufacture method and mould thereof of automobile integral drive axle housing body.Its method be will one section the pipe middle part be pressed into rectangular tubular, insert reaming with wedge again, pressing school shape in mould at last, stripping forming.The axle housing made from this technology does not have weld seam, and tube wall does not have the attenuation phenomenon substantially, has improved the technical performance of axle housing, has reduced cost, improves the life-span.
Description
What the present invention relates to is the manufacture method and the axle housing mfg. moulding die of automobile axle housing.
At present, the common method of making automobile drive axle beam front axle housing has two kinds: the one, cast the intermediate hollow frame with malleable cast iron, the steel axle tube that install in order to hub bearing to be installed at two ends constitutes whole drive axle axle housing body, but this axle housing body weight is big, and casting technique difficulty height, follow-up machining amount are more.For alleviating axle housing weight, improve its technical performance, adopt second kind of manufacture method of segmentation group technology, be to be that the relative welding of the rammed upper and lower two halves axle housing body main part of material is made with the steel plate.The axle housing body main part that this manufacturing process obtained is difficult to accurately coincide, and need finishing before the welding, and weld seam is long, the welding job amount is big, to welding quality requirement height, otherwise is difficult to guarantee the housing quality, influence its technical performance, and this manufacture method stock utilization is low.
For shortening weld seam, simplify technology, Chinese patent CN88105071 discloses a kind of " the scalable forming technology of automobile integral axle housing ", this technical process be with the axial plane of symmetry of axle housing serve as the combination benchmark, choose that the suitable length seamless steel pipe one end draw, the other end are inserted excision technology stub bar behind the glue mold piece pressurization dilatating and deformable, flattened, behind the rabbet, shaping, normalized treatment, make with second half relative welding of half-bridge housing of making again with same process.Though this manufacture method improves to some extent than said method, still there is weld seam in the axle housing of producing, and not only welding can influence the axle housing overall dimensional accuracy, and the welding quality requirement is high, and manufacturing process is still complicated, the cost height.In addition, realize expand tube, must cause the tube wall attenuation that dilates crushed element, also influence the technical performance of axle housing, and repeatedly pipe is repaired in cutting, stock utilization is reduced with extruding glue mold piece.
Goal of the invention of the present invention is to provide a kind of manufacture method and mould of weldless beam front axle housing, and with the axle housing body product technology dependable performance that this method and mould are produced, operation is few, the stock utilization height.
The objective of the invention is to realize by following process:
(1) pipe predeformation: be pressed into rectangular tubular with desiring shaped portion in the middle of the pipe.
(2) cutting slotted hole: at the microscler through hole of the relative cutting of its longitudinal center line of a pair of opposite planar upper edge of the rectangle part of this pipe.
(3) reaming preform: the wedge shape drift is inserted in the slotted hole, the pressurization of wedge shape drift make slotted hole by squeezed to required size.
(4) proofread and correct shaping: the pipe after the reaming being placed between the internal mold slide core and outer mode slider of axle housing school shape mould counterdie, by patrix counterdie is promoted pressurization and make the counterdie matched moulds and pipe is proofreaied and correct shaping in counterdie, is finished product after the demoulding.
In this programme,, can carry out shrinkage cavity to the pipe two ends and handle if axle housing body two ends caliber is had specific (special) requirements.
In the reaming preform step of this programme, the wedge shape drift is pressed into slotted hole is expanded to intermediate sizes, extract the wedge shape drift, subsides are put into a parallels respectively through the both sides of reaming inside pipe wall, be pressed into the wedge shape drift once more, act on the both sides tube wall, make upper and lower two slotted holes that identical expansion be arranged through parallels.
The mould of realizing said method comprises:
(1) hole expansion die:
This mould is made up of the upper die and lower die that are fixed on the forcing press.Its counterdie be fixedly mounted on two rows many groups of be arrangeding in parallel separated by a distance on the lower bolster of press base face pipe is radially fixing, can make the axially directed directive wheel of this pipe again, directive wheel is provided with connecting plate between the top; Patrix is that the cope match-plate pattern and the wedge shape drift that are fixed on the forcing press top shoe are formed.
(2) school shape mould:
This mould comprises that school shape counterdie that is fixed in forcing press and having of matching with school shape counterdie form the school shape patrix of counterdie pressing effect; school shape counterdie comprise the die holder that is fixedly mounted on the work top and the left and right sides two halves on the die holder be symmetrical arranged the internal mold slide core that can on same axis, slide and outside mode slider; wherein the external mold slider bottom is provided with groove along axis; wherein cooperate the bottom support of inserting the internal mold slide core; make the slippage on same axis of slide core and slide block; the core print projection profiled surface of internal mold slide core is corresponding with the inner surface and the outer surface of external mold slider type inner cavity surface and finished product axle housing, and outer mode slider both sides are provided with to preventing that its radial displacement from guaranteeing that again it can be axially movable to be bolted to the guide plate on the die holder along coaxial line.School shape patrix is to be fixedly mounted on the cope match-plate pattern on the press ram and to be fixed on having of cope match-plate pattern center drift that the counterdie slide core is played a driving role and the left and right sides drift that has descending mode slider to play a driving role to form.In this programme; for in axle housing is shaped the back; outer slide core; the slide block demoulding that can reset smoothly; internal mold slide core and external mold slider bottom respectively are provided with a cover resetting-mechanism; resetting-mechanism for internal mold slide core bottom surface and outside one group of groove respectively is set vertically on the corresponding die holder in mode slider bottom surface; action of reset spring in groove also is inlaid in slide core respectively in probeing into groove; the backing pin that resets of slide block bottom surface; backing pin drives corresponding slide core along groove slippage separately by resetting; slide block axially slides relatively; the slide core backing pin peaks at slide core the central balancing position under action of reset spring; the slide block backing pin peaks at slide block equilbrium position, both sides, i.e. demoulding reset mode under action of reset spring.
Integral bridge casing making method of the present invention, just the partial operation of steel pipe material is shaped, realized the normal temperature manufacturing of no weld seam axle housing body down, method is simple, the axle housing tube wall does not have a large amount of attenuation phenomenons, forming process can not cause harmful effect to product material, has improved the technical performance of this banjo axle, and axle housing is in light weight; In addition, this method does not almost have material unaccounted-for (MUF) except the cutting of slotted hole place material, and stock utilization improves; Be easy to guarantee the axle housing quality with mould production of the present invention, cost is low, and the life-span is long.
Describe the present invention in conjunction with the following drawings in detail:
Fig. 1 is outline drawing and each section transverse cross-sectional view of pipe behind the cutting slotted hole
Fig. 2 is the cutaway view and the counterdie vertical view of reaming preform step mold work state
Fig. 3 is for proofreading and correct the cutaway view of forming step mould die sinking and matched moulds state
Fig. 4 is for proofreading and correct the school shape counterdie die sinking and the matched moulds state vertical view of forming step
Fig. 5 is the A-A cutaway view of Fig. 4 lieutenant colonel's shape counterdie
Manufacturing process of the present invention is as follows:
Select the seamless steel pipe of certain diameter, thickness for use, cut the pipe blanking by axle housing length and technological parameter, on hydraulic press, be pressed into as shown in Figure 1 rectangular tubular with desiring shaped segments in the middle of the pipe 10, after a pair of opposite planar a, b upper edge pipe 10 axis of rectangular tubular cut two microscler through holes 1,2 relatively, carry out reaming and handle then.
Fig. 2 has represented the duty of hole expansion die and reaming treatment process.Hole expansion die is made up of the upper die and lower die that are installed on the hydraulic press, geometric center with its board plane on lower bolster 6 is provided with a rectangular 5 with horizontal vertical center line, cross its transverse axis and be provided with pipe backing plate 8 in shrinkage pool 5 both sides, with vertical center line be that center line equidistantly is provided with two groups of outer directive wheels 12 and is arranged at directive wheel 4 in two groups of pipe 10 reaming process transition regions, wherein interior directive wheel 4 not only has identical prevent pipe radial displacement and axially directed effect with outer guide wheel 12, but also with good grounds finished product axle housing requires to prevent to be out of shape the effect of transition region excessive deformation, directive wheel top bolting has connecting plate 7 in two, forms the counterdie of hole expansion die jointly; Its patrix be the cope match-plate pattern 9 installed of hydraulic press top shoe work top and on it the wedge shape drift 3 of lower bolster 6 center vertical lines.
At first, reaming pipe 10 is placed directive wheel 4, radially fixing between 12, the slotted hole 1 of pipe 10,2 align mutually with the rectangular opening 5 of lower bolster 6, the primer fluid press, its top shoe moves down, drive wedge shape drift 3 and be pressed into slotted hole 1, slotted hole 1 is expanded to intermediate sizes, and the top shoe backhaul drives on the wedge shape drift 3 and moves, and connecting plate 7 stops pipe 10, wedge shape drift 3 is withdrawed from from slotted hole 1, subsides are respectively put into a parallels 11 through the both sides of reaming inside pipe wall, and parallels 11 inner surfaces and wedge shape drift 3 bevel angles are harmonious, and are pressed into wedge shape drift 3 once more, to go up, following two slotted holes 1,2 produce identical reaming, extract wedge shape drift 3, take out parallels 11, open connecting plate 7, take out pipe 10, finish this operation.
The preform pipe 10 of finishing the step operation is carried out school shape operation again.Fig. 3, Fig. 4 have represented the composition and the working procedure states of school shape mould.School shape mould comprises school shape counterdie that is fixed on hydraulic press and the school shape patrix with the pressing of high-ranking officers' shape counterdie that matches with school shape counterdie.School shape counterdie is to be made of two halves internal mold slide core 13 and outer mode slider 14 that same axis left-right symmetry on die holder 28 that is fixed on the hydraulic press work top and the die holder 28 is installed, die cavity 27 inner surfaces of internal mold slide core 13 core prints 13 ' protruding profiled surface and outer mode slider 14 and the inside and outside surfaces mate of finished product axle housing, axis place, mode slider 14 bottom surface is provided with groove 30 outside, the support 13 of internal mold slide core 13 " intert into groove 30, and can slide along this groove 30; Outer mode slider 14 both sides are provided with to be bolted to the guide plate 29 on the die holder 28, and slide block 14 can axially slide under guide plate 29 effects.For making this school shape mould can be after axle housing is shaped, the demoulding that can automatically reset of slide core and slide block, reduce the artificial demoulding amount of labour, support 13 in slide core 13 " the corresponding groove 15,16 that is provided with on bottom surface and bottom surface, the slide block groove 30 both sides place die holder 28; a compression spring 17,18 is respectively arranged in it; spring 17,18 1 ends act on and are inlaid in slide core and support 13 " bottom surface and slide block groove bottom surface, 30 both sides also probes into the backing pin 19,20 that resets of groove 30, constitutes the mould resetting-mechanism jointly.Under the effect of compression spring 17,18, backing pin 19,20 makes left and right sides internal mold slide core 13 be in middle position, about outer mode slider 14 be in the equilbrium position, two ends, i.e. demoulding reset mode.
In the present embodiment, with the supporting school shape patrix of school shape counterdie be installed in the cope match-plate pattern 21 of hydraulic press top shoe bottom surface and be fixed in the center drift 22 of the central internal mold slide core 13 of acting on of cope match-plate pattern 21 and act on about left and right sides drift 23,24 compositions of outer mode slider 14.Active force for 14 pairs of left and right sides drifts of balance slide block in the process of pressing down 23,24 is provided with drift support plate 25,26 with mold axis in left and right sides slide block 14 outsides.
The course of action of proofreading and correct forming process for the core print 13 that pipe 10 placed internal mold slide core 13 ' and the die cavity 27 of outer mode slider 14 between; start hydraulic press; top shoe moves down; drive center drift 22 and left and right sides drift 23; 24 move down; contact with separately the internal mold slide core 13 and the drift angle inclined-plane of outer mode slider 14; left and right sides slide core 13 is pushed away central authorities; a left side/right adjusting wedge 23; 24 act on a left side/right slide block 14 and a left side/right adjusting wedge support plate 25 that is fixed on the die holder 28; 26; promote slide block 14 and shift to the center relatively; pipe 10 school shape tube walls are pressed together between a left side/right sliding core 13 and the slide block 14; and with mould in; outer profiled surface coincide; the back-moving spring 17 of this process slide core 13 and slide block 14; 18 are compressed; behind the press molding; the top shoe backhaul drives center 22 and left and right sides drift 23; 24 withdraw from; internal mold core rod 13 and outer mode slider 14 are at compression spring 17; 18 act on spring-go position next time, and the pipe demoulding is shaped.
Claims (7)
1, a kind of integral bridge casing of drive bridge of automobile making method may further comprise the steps:
(1) pipe preform: be pressed into rectangular tubular with desiring crushed element in the middle of the pipe.
(2) cutting slotted hole: at the relative cutting two microscler through holes of its longitudinal center line of a pair of opposite planar upper edge of this pipe rectangular section.
(3) reaming preform: the wedge shape drift is pressed in the slotted hole, and pressurization makes two slotted holes be forced to expand to required size to the wedge shape drift.
(4) proofread and correct to be shaped: pipe after the reaming is placed school shape mould, and to make pipe extrusion molding, the demoulding be finished product in pressurization to school shape mould.
2, integral bridge casing making method according to claim 1 is characterized in that if pipe two ends caliber is had specific (special) requirements, the pipe two ends can be carried out reducing and handle.
3, integral housing manufacture method according to claim 1, it is characterized in that in reaming predeformation step, slotted hole (1) expands to the intermediate sizes backhaul through wedge shape drift (3) and extracts, paste pipe (10) both sides inside pipe wall and respectively put into a parallels (11), the inner surface that parallels (11) contacts with wedge shape drift (3) is the inclined-plane of respective angles, be pressed into wedge shape drift (3) once more, wedge shape drift (3) presses down in the process and acts on the both sides tube wall through parallels (11), makes upper and lower two holes (1,2) that identical dilating be arranged.
4, a kind of hole expansion die according to claim 1 manufacture method, form by the upper die and lower die that are fixed on the forcing press, it is characterized in that counterdie is two rows many groups of be arrangeding in parallel separated by a distance on the lower bolster (6) that is fixedly mounted on press base and the lower bolster (6) pipe (10) is radially fixing, directive wheels (12,4) that again can be axially directed to this pipe (10), the top has been provided with the connecting plate (7) of barrier effect between two directive wheels; Patrix is formed for the wedge shape drift (3) that is fixed on the forcing press cope match-plate pattern (9).
5, hole expansion die according to claim 4 is characterized in that the lower bolster (6) on the press base work top leaves the backing plate (8) of shrinkage pool (5) and support (10).
6, a kind of school shape mould according to claim 1 manufacture method, comprise the school shape counterdie that is fixed on the press bench face and the school shape patrix that has its pressing that matches with school shape counterdie is formed, it is characterized in that school shape counterdie comprises that the die holder (28) that is fixedly mounted on the work top and the left and right sides two halves on the die holder (28) are symmetrical arranged, internal mold slide core (13) that same axis slides and outside mode slider (14), wherein outer mode slider (14) bottom is provided with groove (30) along axis, along this groove (30) cooperate to insert the internal mold slide core bottom support (13 "); make slide core (13) and slide block (14) slippage on same axis are in protruding profiled surface of the core print of internal mold slide core (13 ') and outer mode slider (14) die cavity (27) inner surface and the finished product axle housing; outer surface is corresponding; Outer mode slider (14) both sides are provided with that cocoa guarantees that slide block slides vertically is fixed in guide plate (29) on the die holder (28); School shape patrix is center drift (22) and left and right sides drift (23, the 24) composition that is installed in forcing press cope match-plate pattern (21) and is fixed in its bottom surface.
7; school according to claim 5 shape mould; it is characterized in that school shape counterdie die holder (28) and about be provided with the mould resetting-mechanism between the internal mold slide core (13) of two hemihedrism and the outer mode slider (14); be that support in internal mold slide core (13) (respectively is provided with groove (15; 16) vertically on the die holder at 13 ") bottom surface and place, outer mode slider groove (30) bottom surface, both sides, acts on through the back-moving spring (17; 18) in the groove (15; 16) and probe in the groove (15; 16) and be inlaid in slide core support (13 ") bottom surface respectively; the backing pin (19 that resets of slide block (14) bottom surface; 20) form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93112085 CN1081942A (en) | 1993-07-18 | 1993-07-18 | Integral bridge casing of drive bridge of automobile making method and mould thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93112085 CN1081942A (en) | 1993-07-18 | 1993-07-18 | Integral bridge casing of drive bridge of automobile making method and mould thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1081942A true CN1081942A (en) | 1994-02-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93112085 Pending CN1081942A (en) | 1993-07-18 | 1993-07-18 | Integral bridge casing of drive bridge of automobile making method and mould thereof |
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| Country | Link |
|---|---|
| CN (1) | CN1081942A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068811C (en) * | 1998-03-26 | 2001-07-25 | 屠恒毅 | Method and appts. for mfg. uper and lower level arm assembly of front bridge suspension frame of coach |
| CN101879565A (en) * | 2010-06-04 | 2010-11-10 | 衡阳连续运输机械有限公司 | Manufacturing method of welded steel pipe-free integrally formed automobile transaxle housing |
| CN102886436A (en) * | 2012-09-24 | 2013-01-23 | 重庆科技学院 | Overall composite bulging internal model of car drive axle |
| CN102886437A (en) * | 2012-09-24 | 2013-01-23 | 重庆科技学院 | Integral compound mechanical spiral bulging internal die for automotive driving axle |
| CN103111546A (en) * | 2013-01-31 | 2013-05-22 | 青特集团有限公司 | Hole shrinkage mold special for heavy truck axle housing cold forging inner rising molding |
| CN103894514A (en) * | 2014-03-27 | 2014-07-02 | 宝山钢铁股份有限公司 | Method for stamping and forming torsion beams of pipe fittings |
| CN102105238B (en) * | 2008-07-22 | 2014-07-23 | 标致·雪铁龙汽车公司 | Method for shaping multiple variants of a sheet metal part and shaping tool and device for implementing said method |
| CN104476120A (en) * | 2014-11-06 | 2015-04-01 | 柳州欧维姆机械股份有限公司 | Forming technical method of square through plate with wedge-shaped through hole |
| CN106427400A (en) * | 2016-06-29 | 2017-02-22 | 吉林省车桥汽车零部件有限公司 | Axle housing of driven axle, as well as shaping mold and shaping technology of axle housing |
| CN110153281A (en) * | 2018-01-31 | 2019-08-23 | 山东金马工业集团机械锻造厂 | A kind of simultaneous manufacturing device of square tube shroud ring |
| CN116618973A (en) * | 2023-07-12 | 2023-08-22 | 广东轻量科技发展有限责任公司 | Forming method for forming automobile axle housing by using steel plate |
-
1993
- 1993-07-18 CN CN 93112085 patent/CN1081942A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1068811C (en) * | 1998-03-26 | 2001-07-25 | 屠恒毅 | Method and appts. for mfg. uper and lower level arm assembly of front bridge suspension frame of coach |
| CN102105238B (en) * | 2008-07-22 | 2014-07-23 | 标致·雪铁龙汽车公司 | Method for shaping multiple variants of a sheet metal part and shaping tool and device for implementing said method |
| CN101879565A (en) * | 2010-06-04 | 2010-11-10 | 衡阳连续运输机械有限公司 | Manufacturing method of welded steel pipe-free integrally formed automobile transaxle housing |
| CN102886437A (en) * | 2012-09-24 | 2013-01-23 | 重庆科技学院 | Integral compound mechanical spiral bulging internal die for automotive driving axle |
| CN102886436A (en) * | 2012-09-24 | 2013-01-23 | 重庆科技学院 | Overall composite bulging internal model of car drive axle |
| CN102886436B (en) * | 2012-09-24 | 2014-09-24 | 重庆科技学院 | Overall composite bulging internal model of car drive axle |
| CN102886437B (en) * | 2012-09-24 | 2014-09-24 | 重庆科技学院 | Integral compound mechanical spiral bulging internal die for automotive driving axle |
| CN103111546A (en) * | 2013-01-31 | 2013-05-22 | 青特集团有限公司 | Hole shrinkage mold special for heavy truck axle housing cold forging inner rising molding |
| CN103894514A (en) * | 2014-03-27 | 2014-07-02 | 宝山钢铁股份有限公司 | Method for stamping and forming torsion beams of pipe fittings |
| CN103894514B (en) * | 2014-03-27 | 2016-01-20 | 宝山钢铁股份有限公司 | A kind of pipe fitting torsion beam press-processing method |
| CN104476120A (en) * | 2014-11-06 | 2015-04-01 | 柳州欧维姆机械股份有限公司 | Forming technical method of square through plate with wedge-shaped through hole |
| CN106427400A (en) * | 2016-06-29 | 2017-02-22 | 吉林省车桥汽车零部件有限公司 | Axle housing of driven axle, as well as shaping mold and shaping technology of axle housing |
| CN110153281A (en) * | 2018-01-31 | 2019-08-23 | 山东金马工业集团机械锻造厂 | A kind of simultaneous manufacturing device of square tube shroud ring |
| CN116618973A (en) * | 2023-07-12 | 2023-08-22 | 广东轻量科技发展有限责任公司 | Forming method for forming automobile axle housing by using steel plate |
| CN116618973B (en) * | 2023-07-12 | 2024-01-30 | 广东轻量科技发展有限责任公司 | Forming method for forming automobile axle housing by using steel plate |
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| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |