CN103157737A - U-type bolt preforming device - Google Patents
U-type bolt preforming device Download PDFInfo
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- CN103157737A CN103157737A CN2013100904995A CN201310090499A CN103157737A CN 103157737 A CN103157737 A CN 103157737A CN 2013100904995 A CN2013100904995 A CN 2013100904995A CN 201310090499 A CN201310090499 A CN 201310090499A CN 103157737 A CN103157737 A CN 103157737A
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- bar
- forming device
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- bolt
- binder block
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Abstract
The invention discloses an air-suspension U-type bolt fixture, and particularly relates to a U-type bolt preforming device. The U-type bolt preforming device comprises an oil press, a pressing mould and a to-be-machined bar; the pressing mould is arranged on a working platform of the oil press, and the bar is arranged in the pressing mould; the pressing mould comprises an upper die plate, a lower die plate, an upper pressing die, a lower pressing die, clamping devices and elastic devices; and the upper pressing die and the lower pressing die are arranged between the upper die plate and the lower die plate and located in the middle of the bar, the clamping devices are arranged between the upper die plate and the lower die plate and located on two side portions of the bar, and the elastic devices act on two end surfaces of the bar. According to the U-type bolt preforming device, technological operation is simple and convenient, appearance quality of products is further improved, standardized manufacture of the products is achieved, production efficiency is improved, and production cost is greatly reduced.
Description
Technical field
The present invention relates to a kind of metal machining device, more particularly, it relates to a kind of for the manufacture of high-intensity special-shaped U-bolt pre-forming device.
Background technology
at present, in car industry, the U-bolt that is connected with the axletree central siphon for automobile hanging is external import parts mostly, for U-bolt, the domestic metal forming technique of now using is mainly to adopt the hot-pressing processing method, first be heated to uniform temperature before the bar bending, again with compression molding, this process need to heat bar, consume a large amount of energy, and operation is comparatively complicated, entering the stokehold as bar must coat anti-oxidation, masking paste, and the metal screen resilience after processing is larger, moulding is inaccurate, affect precision, the easy scaling of the outer surface of metal, and hot-forming operating temperature is higher, can not do the molding effect of complicated and deep stretch.the applicant also attempts entrusting domestic metalworking enterprise development to be suitable for the process equipment of N10054-003YM01 bolt, but adopt the mode of hot pressing, workpiece accuracy does not reach requirement, after bending, resilience is not easy to control, Assurance of Size, the depth of parallelism be difficult to ensure card, product quality product rate is always all unsatisfactory, for this series products, its frock, and supporting process route is very strict, control bad, appearance easily plays fur, the open defect such as coarse, therefore, impel applicant's a kind of brand-new U-bolt pre-forming device of self-developing of being determined, make the N10054-003YM01 bolt can reach high strength, high-precision requirement, satisfy its instructions for use.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of U-bolt pre-forming device of simple in structure, easy to use, simple process, this pre-forming device can fully guarantee the machining accuracy of workpiece, and molding time is short, and production efficiency is high.
The technical scheme that the present invention solves its technical problem is: a kind of U-bolt pre-forming device, comprise hydraulic press and casted die mould, bar to be processed, described casted die mould is placed on the workbench of hydraulic press, described bar is placed in casted die mould, and described casted die mould comprises cope match-plate pattern and lower bolster; Be arranged on upper press-moulding die between bolster and that be positioned at bar middle part and press down pattern; Be arranged on clamping device between bolster and that be positioned at the bar both sides; Act on the elastic force apparatus on the bar both ends of the surface.
Preferably, described clamping device comprises binder block, lower bearing support, opposite face by described upper binder block, lower bearing support closes up the accommodating cavity that forms the bar both sides, described lower bearing support is fixed on above lower bolster, described upper binder block and cope match-plate pattern are flexibly connected, described upper binder block is provided with spring cavity, is provided with elastomer in described spring cavity, and a described elastomeric end face is placed in the bottom surface of spring cavity and dilatation in vertical direction.
Preferably, described elastic force apparatus comprises location key seat, stage clip, compression leg, described location key seat is fixed on lower bearing support, and described stage clip is built on the pressing plate that location key seat and an end be pressed on location key seat, the other end is pressed on compression leg, and described compression leg is pressed in respectively on the both ends of the surface of bar.
Preferably, be provided with upper padding plate between described cope match-plate pattern and upper press-moulding die, at described lower bolster and press down and be provided with lower bolster between pattern.
Preferably, also be provided with upper mould fixed plate between upper padding plate and upper binder block, also be provided with the counterdie fixed head between lower bolster and lower bearing support.
Preferably, described upper mould fixed plate be provided with described upper binder block in the suitable through hole of spring cavity, a described elastomeric end passes described through hole and is pressed on the bottom surface of upper padding plate.
Preferably, also comprise caging bolt, described caging bolt passes described cope match-plate pattern, upper padding plate, upper mould fixed plate, and described cope match-plate pattern and upper binder block are flexibly connected.
Preferably, described caging bolt is separately positioned on elastomeric both sides.
Preferably, described elastomer is the spring of steel.
The invention has the beneficial effects as follows: the present metal forming technique of using is to be mainly to adopt the hot-die method, but adopt the hot-die method, need heating, consume a large amount of energy, complicated operation, enter the stokehold as tablet and must coat anti-oxidation, masking paste, and the metal screen resilience after processing is larger, moulding is inaccurate, affects precision, the easy scaling of the outer surface of metal, hot-forming operating temperature is higher, can not do the molding effect of complicated and deep stretch, film thickness changes, and mould will be adjusted a little.But adopt said method, the further presentation quality of improving product that technological operation is easier has realized the standardization manufacturing of product, has improved production efficiency, has greatly reduced production cost.
At present the bolt hardness of the same type made of common process is HB220---250, and the U-bolt of the 40Cr material made from the present invention, its hardness has reached HB310---and 330.The bolt grade is 4.9 grades.
U-bolt outward appearance of the present invention is good, without the coarse phenomenon of peeling.The flatness of its partial circle segmental arc reaches designing requirement, can with the central siphon good contact, contact area reaches more than 95%.
U-bolt production of the present invention production domesticization significantly reduces product cost, and single products 17 U.S. dollars that can descend are for enterprise brings very big economic benefit.
Description of drawings
Fig. 1 is casted die mould structural representation of the present invention.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As shown in Figure 1, U-bolt pre-forming device of the present invention comprises hydraulic press (not shown) and casted die mould, bar 6 to be processed, and described casted die mould is placed on the workbench of hydraulic press, described bar 6 is placed in casted die mould, and described casted die mould comprises cope match-plate pattern 8 and lower bolster 1; Be arranged on upper press-moulding die 10 between bolster 1 and that be positioned at bar 6 middle parts and press down pattern 13; Be arranged on clamping device between bolster 1 and that be positioned at bar 6 both sides; Act on the elastic force apparatus on bar 6 both ends of the surface.
Described clamping device comprises binder block 11, lower bearing support 4, opposite face by described upper binder block 11, lower bearing support 4 closes up the accommodating cavity that forms bar 6 both sides, described lower bearing support 4 is fixed on lower bolster 1 top, described upper binder block 11 is flexibly connected with cope match-plate pattern 8, described upper binder block 11 is provided with spring cavity, be provided with elastomer in described spring cavity, a described elastomeric end face is placed in the bottom surface of spring cavity and dilatation in vertical direction.
Described elastic force apparatus comprises location key seat 3, stage clip, compression leg, described location key seat 3 is fixed on lower bearing support 4, described stage clip is built on the pressing plate 12 that location key seat 3 and an end be pressed on location key seat 3, the other end is pressed on compression leg 14, and described compression leg 14 is pressed in respectively on the both ends of the surface of bar 6.
Be provided with upper padding plate 7 between described cope match-plate pattern 8 and upper press-moulding die 10, at described lower bolster 1 and press down and be provided with lower bolster 2 between pattern 13.
Also be provided with upper mould fixed plate 17 between upper padding plate 7 and upper binder block 11, also be provided with counterdie fixed head 16 between lower bolster 2 and lower bearing support 4.
Described upper mould fixed plate 17 be provided with described upper binder block 11 in the suitable through hole of spring cavity, a described elastomeric end passes described through hole and is pressed on the bottom surface of upper padding plate 7.
Also comprise caging bolt 9, described caging bolt 9 passes described cope match-plate pattern 8, upper padding plate 7, upper mould fixed plate, and described cope match-plate pattern 8 and upper binder block 11 are flexibly connected.
Described caging bolt 9 is separately positioned on elastomeric both sides.
Described elastomer is the spring 5 of steel.
The technical process of U-bolt moulding of the present invention is: be the rod iron of 25cm with diameter, turning to diameter is 21cm---the 6 both sides rolled thread of round steel bar---is placed in preformed in pre-forming device of the present invention, make the middle part of bar 6 be pressed into flat pattern---bend, and certain U-shaped opening surplus (7mm)---modifier treatment---correction is set.Pre-forming device of the present invention makes preformed U-bolt have the segmental arc of a surfacing, and at this segmental arc, bolt and axletree axis body plane-plane contact change the mode of line face contact in the past, make both contacts more abundant, and connection power is stronger.The present invention adopts 2000T hydraulic press (as calculated, for realizing high-precision bar 6 molding effects, needing at least the above hydraulic press cold moudling of 1500T).In the time of in bar 6 is placed in pre-forming device of the present invention, bar 6 both sides are by upper binder block 11, lower bearing support 4 clampings, and both ends of the surface are compressed by compression leg and stage clip, and its longitudinal centre line is overlapped with the center line of upper and lower press-moulding die 13.Upper press-moulding die 10 links together with upper padding plate 7, and the both sides, lower end of upper press-moulding die 10 are chamfered transition, the lug boss of press-moulding die 10 lower ends on formation, this lug boss positive alignment the middle part of metal bar to be processed, need flatten just the zone of moulding.when bar 6 just has been placed in casted die mould, the middle part of bar 6 is identical with the both sides diameter, therefore, bar 6 is upper press-moulding die 10, together with upper padding plate 7, cope match-plate pattern 8 lifts certain altitude, wherein, upper padding plate 7, cope match-plate pattern 8, upper mould fixed plate is fixed together, therefore, upper mould fixed plate separates a segment distance with 11 of upper binder blocks, after hydraulic press starts, along with hydraulic press cope match-plate pattern 8 toward pressing down, upper mould fixed plate and upper binder block 11 spacings are more and more less, until press together (state as shown in Figure 1), at this moment, pressing process finishes, the middle part of bar 6 also is processed as flat pattern under strong pressure.And in the flattening process, it is long that bar 6 can be pressed, and the elastic force apparatus at bar 6 two ends can make 6 liang of long deflections of side pressure of bar be consistent, and flat area is remained on medium position.
Claims (9)
1.U type bolt pre-forming device comprises hydraulic press and casted die mould, bar to be processed, described casted die mould is placed on the workbench of hydraulic press, and described bar is placed in casted die mould, it is characterized in that: described casted die mould comprises cope match-plate pattern and lower bolster; Be arranged on upper press-moulding die between bolster and that be positioned at bar middle part and press down pattern; Be arranged on clamping device between bolster and that be positioned at the bar both sides; Act on the elastic force apparatus on the bar both ends of the surface.
2. U-bolt pre-forming device according to claim 1, it is characterized in that: described clamping device comprises binder block, lower bearing support, opposite face by described upper binder block, lower bearing support closes up the accommodating cavity that forms the bar both sides, described lower bearing support is fixed on above lower bolster, described upper binder block and cope match-plate pattern are flexibly connected, described upper binder block is provided with spring cavity, be provided with elastomer in described spring cavity, a described elastomeric end face is placed in the bottom surface of spring cavity and dilatation in vertical direction.
3. U-bolt pre-forming device according to claim 1 and 2, it is characterized in that: described elastic force apparatus comprises location key seat, stage clip, compression leg, described location key seat is fixed on lower bearing support, described stage clip is built on the pressing plate that location key seat and an end be pressed on location key seat, the other end is pressed on compression leg, and described compression leg is pressed in respectively on the both ends of the surface of bar.
4. U-bolt pre-forming device according to claim 3 is characterized in that: be provided with upper padding plate between described cope match-plate pattern and upper press-moulding die, at described lower bolster and press down and be provided with lower bolster between pattern.
5. U-bolt pre-forming device according to claim 4, is characterized in that: also be provided with upper mould fixed plate between upper padding plate and upper binder block, also be provided with the counterdie fixed head between lower bolster and lower bearing support.
6. U-bolt pre-forming device according to claim 5, it is characterized in that: described upper mould fixed plate be provided with described upper binder block in the suitable through hole of spring cavity, a described elastomeric end passes described through hole and is pressed on the bottom surface of upper padding plate.
7. U-bolt pre-forming device according to claim 6, it is characterized in that: also comprise caging bolt, described caging bolt passes described cope match-plate pattern, upper padding plate, upper mould fixed plate, and described cope match-plate pattern and upper binder block are flexibly connected.
8. U-bolt pre-forming device according to claim 7, it is characterized in that: described caging bolt is separately positioned on elastomeric both sides.
9. U-bolt pre-forming device according to claim 7, it is characterized in that: described elastomer is the spring of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100904995A CN103157737A (en) | 2013-03-21 | 2013-03-21 | U-type bolt preforming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100904995A CN103157737A (en) | 2013-03-21 | 2013-03-21 | U-type bolt preforming device |
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| CN103157737A true CN103157737A (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100904995A Pending CN103157737A (en) | 2013-03-21 | 2013-03-21 | U-type bolt preforming device |
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| CN (1) | CN103157737A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938303A (en) * | 2017-05-09 | 2017-07-11 | 安徽江淮汽车集团股份有限公司 | A kind of single action wedge and upper mould sliding inclined wedge combined mechanism |
| CN107999628A (en) * | 2017-12-11 | 2018-05-08 | 安源客车制造有限公司 | A kind of ceiling covering bent into shape frock |
| CN108627730A (en) * | 2018-04-20 | 2018-10-09 | 四川斐讯信息技术有限公司 | A kind of detecting system and method for handle electrode |
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| SU707671A1 (en) * | 1977-01-10 | 1980-01-05 | Молдавское Производственное Объединение Насосостроения Им. Г.И.Котовского | Method of making v-shaped articles with enlarged ends |
| US5404707A (en) * | 1991-01-31 | 1995-04-11 | Suzuki; Masakatsu | Fastening element |
| JPH1190636A (en) * | 1997-09-19 | 1999-04-06 | Okabe Co Ltd | Welding stud and manufacture and device therefor |
| CN201684842U (en) * | 2010-05-19 | 2010-12-29 | 富奥汽车零部件股份有限公司 | Flattening and bending progressive die for U-shaped parts with flat structures |
| CN201720330U (en) * | 2010-05-24 | 2011-01-26 | 山东金麒麟集团有限公司 | Die for process of flattening steel backing with trough |
| CN202527585U (en) * | 2012-03-27 | 2012-11-14 | 东风汽车悬架弹簧有限公司 | Stabilizer bar compound die |
| CN103206444A (en) * | 2013-03-15 | 2013-07-17 | 广东富华工程机械制造有限公司 | U-shaped bolt and preforming device, bending device and quenching and tempering method thereof |
| CN203081971U (en) * | 2013-03-15 | 2013-07-24 | 广东富华工程机械制造有限公司 | U-shaped bolt |
| CN203140639U (en) * | 2013-03-21 | 2013-08-21 | 广东富华工程机械制造有限公司 | Air suspension U-shaped bolt clamp |
-
2013
- 2013-03-21 CN CN2013100904995A patent/CN103157737A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU707671A1 (en) * | 1977-01-10 | 1980-01-05 | Молдавское Производственное Объединение Насосостроения Им. Г.И.Котовского | Method of making v-shaped articles with enlarged ends |
| US5404707A (en) * | 1991-01-31 | 1995-04-11 | Suzuki; Masakatsu | Fastening element |
| JPH1190636A (en) * | 1997-09-19 | 1999-04-06 | Okabe Co Ltd | Welding stud and manufacture and device therefor |
| CN201684842U (en) * | 2010-05-19 | 2010-12-29 | 富奥汽车零部件股份有限公司 | Flattening and bending progressive die for U-shaped parts with flat structures |
| CN201720330U (en) * | 2010-05-24 | 2011-01-26 | 山东金麒麟集团有限公司 | Die for process of flattening steel backing with trough |
| CN202527585U (en) * | 2012-03-27 | 2012-11-14 | 东风汽车悬架弹簧有限公司 | Stabilizer bar compound die |
| CN103206444A (en) * | 2013-03-15 | 2013-07-17 | 广东富华工程机械制造有限公司 | U-shaped bolt and preforming device, bending device and quenching and tempering method thereof |
| CN203081971U (en) * | 2013-03-15 | 2013-07-24 | 广东富华工程机械制造有限公司 | U-shaped bolt |
| CN203140639U (en) * | 2013-03-21 | 2013-08-21 | 广东富华工程机械制造有限公司 | Air suspension U-shaped bolt clamp |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106938303A (en) * | 2017-05-09 | 2017-07-11 | 安徽江淮汽车集团股份有限公司 | A kind of single action wedge and upper mould sliding inclined wedge combined mechanism |
| CN107999628A (en) * | 2017-12-11 | 2018-05-08 | 安源客车制造有限公司 | A kind of ceiling covering bent into shape frock |
| CN108627730A (en) * | 2018-04-20 | 2018-10-09 | 四川斐讯信息技术有限公司 | A kind of detecting system and method for handle electrode |
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Application publication date: 20130619 |