CN105880392A - Automobile drive axle U-shaped load sensing valve support forming die - Google Patents
Automobile drive axle U-shaped load sensing valve support forming die Download PDFInfo
- Publication number
- CN105880392A CN105880392A CN201610429030.3A CN201610429030A CN105880392A CN 105880392 A CN105880392 A CN 105880392A CN 201610429030 A CN201610429030 A CN 201610429030A CN 105880392 A CN105880392 A CN 105880392A
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- Prior art keywords
- ejector
- die
- load sensing
- sensing valve
- shaped load
- Prior art date
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- 238000000465 moulding Methods 0.000 claims description 38
- 239000011230 binding agents Substances 0.000 claims description 27
- 210000000481 Breast Anatomy 0.000 claims description 15
- 230000037250 Clearance Effects 0.000 claims description 11
- 230000035512 clearance Effects 0.000 claims description 11
- 210000001699 lower leg Anatomy 0.000 claims description 5
- 239000000463 materials Substances 0.000 abstract description 13
- 238000000034 methods Methods 0.000 abstract description 8
- 238000003825 pressing Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract 2
- 238000005266 casting Methods 0.000 abstract 1
- 239000004814 polyurethane Substances 0.000 abstract 1
- 229920002635 polyurethanes Polymers 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 13
- 238000007493 shaping process Methods 0.000 description 5
- 238000005516 engineering processes Methods 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000003570 air Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagrams Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000003921 oils Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
Abstract
Description
Technical field
The invention belongs to machining equipment field, relate to a kind of U-shaped load sensing valve rack forming mould, particularly to the mould of a kind of automobile drive axle U-shaped load sensing valve rack forming.
Background technology
Automobile drive axle U-shaped load sensing valve support is welded on automobile drive axle housing body, Main Function is that automobile load-sensing proportion valve is installed in fastening, control the installation site of SABS, to realize vehicle braking effect control in motion, it is ensured that the stability during vehicle traveling and comfortableness.
The traditional mode of production of U-shaped load sensing valve support is that point four procedures are processed, it first uses single-point plate shearing machine to implement operation one blanking processing, then one point press is used to implement operation two blankings-punching processing, then use one point press to implement operation three brake forming processing, finally use double action oil hydraulic press to implement operation four shaping processing.Use traditional processing technology, after U-shaped load sensing valve support operation three brake forming, its U-shaped change in size interval of dehiscing is relatively big generally at more than 1.5mm, and the straight side length difference that its both sides are dug is the most generally at more than 1.0mm, can not be met it be welded and require U-shaped change in size of dehiscing interval within 1.0mm and the straight side length difference constant interval dug of both sides is within 0.4mm, and affect air line distance size when U-shaped load sensing valve support is welded with Drive axle housing body, and then have influence on the installation site of SABS.It is typically after operation three brake forming is processed, makes U-shaped load sensing valve support reach the requirement that is welded by implementing operation four shaping processing.
The present invention is based on optimization property that in prior art, production technology exists and considers, a kind of U-shaped part mould of design, the straight side length that product can be made to ensure that in molding procedure size is dehisced in stable molding and both sides are dug is poor, the mould of production U-shaped part is so met by designing a kind of energy, improve the quality stability of product, and improve the production efficiency of product, just seem the most 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 automobile drive axle U-shaped load sensing valve rack forming mould.
In order to realize the purpose of the present invention, the technical solution used in the present invention is:
A kind of automobile drive axle U-shaped load sensing valve rack forming mould, including upper mold and lower mold, the internal both sides of forming convax mould in described upper mold are respectively provided with four upper binder springs and upper binder push rod, the internal both sides of die block in described lower mold are respectively provided with a molding concave die, the inside of molding concave die is provided with a die running roller, being provided with a bottom knockout plate between the die cavity of left and right two pieces molding concave die, bottom knockout plate upper surface is provided with four alignment pins, and the lower section of bottom knockout plate is provided with two pieces bottom knockout bar；
The lower section of described bottom knockout bar is connected with ejector；Ejector includes ejector top board, excellent power rubber, ejector pull bar, ejector lower platen and ejector securing member；
The vertical cross-section of described forming convax mould is flat face, the vertical cross-section of described molding concave die is flat face, the rounded shape of vertical cross-section of described die running roller, the vertical cross-section of described bottom knockout plate is flat face, and described forming convax mould, molding concave die, die running roller and bottom knockout plate form the forming recess of a U-shaped load sensing valve support.
Further, described ejector top board is located at the lower section of lower bolster and is provided with an excellent power rubber below, the lower section of described excellent power rubber is provided with an ejector lower platen, the lower section of described ejector lower platen is provided with two pieces ejector clamp nut, the inside of described ejector clamp nut is provided with an ejector pull bar, and the upper end of described ejector pull bar is located at the inside of lower bolster.
Further, two straight flange edges in the lumen width direction formed between two straight flange edges and the two pieces molding concave die of described bottom knockout plate width are matched in clearance.
Further, described die shank and cope match-plate pattern are interference fit, upper padding plate is arranged on the lower section of cope match-plate pattern by bolt and alignment pin, punch retainer is arranged on the lower section of upper padding plate by bolt and alignment pin, forming convax mould is fastenedly connected the bosom in punch retainer by bolt and alignment pin, the upper gap of each four step vias of the internal both sides of forming convax mould coordinates a upper binder spring and underclearance to coordinate a upper binder push rod, the step surface of upper binder push rod upper end hangs on the seam of forming convax mould step via, upper binder push rod slides up and down with the step via of forming convax mould and is connected.
Further, described die running roller is placed in the inside of molding concave die by matched in clearance, left and right two pieces molding concave die is fastened by bolts the both sides, inside at die block, die block is fastened on the top of lower bolster by bolt and alignment pin, and lower bolster is fastened on the top of lower bolster by bolt and alignment pin.
Further, bottom knockout plate is placed between the die cavity of two pieces molding concave die and slides up and down connection, four alignment pins are placed in inside and the upper surface of bottom knockout plate middle by interference fit, and two pieces bottom knockout bar is placed on the lower section of bottom knockout plate and the upper surface of ejector top board and it slides up and down with the middle via of lower bolster and lower bolster and is connected.
Further, the upper end of ejector pull bar is fastenedly connected with the screwed hole of lower bolster bosom, ejector top board is placed on the lower section of lower bolster and its middle via slides up and down with ejector pull bar and is connected, it is matched in clearance that excellent power rubber is placed on the lower section of ejector top board and its middle via with ejector pull bar, it is matched in clearance that ejector lower platen is placed on the lower section of excellent power rubber and its middle via with ejector pull bar, the screwed hole of lower section and its bosom that ejector clamp nut is placed on ejector lower platen is threaded connection the lower end being fastenedly connected ejector pull bar.
The beneficial effects of the present invention is:
1. the mould of the present invention carry material pressing device, carry bottom knockout device device and molding concave die to be furnished with the straight side length that the structure of roller mechanism can make blank ensure that in molding procedure size is dehisced in stable molding and both sides are dug poor, make blank forming process stable, it is ensured that the face shaping of U-shaped load sensing valve support U-shaped is regular and strength character stable；
2. the mould of the present invention brake forming of former operation three can be optimized for former operation four shaping two procedures together with brake forming operation, can promote productive temp, strengthen production capacity, reduce production cost；
3. the mould of the present invention molding can make two pieces product in a cycle of operation, can promote the productive temp of single products, strengthen 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 that automobile drive axle U-shaped load sensing valve bracket side regards cross-sectional view.
Fig. 4 is the design requirement figure of the automobile drive axle U-shaped main TV structure of load sensing valve support.
Fig. 5 is the design requirement figure of automobile drive axle U-shaped load sensing valve support plan structure.
In figure, die shank 1, cope match-plate pattern 2, guide pin bushing 3, upper padding plate 4, punch retainer 5, upper binder spring 6, forming convax mould 7, upper binder push rod 8, die running roller 9, molding concave die 10, die block 11, lower bolster 12, lower bolster 13, guide pillar 14, U-shaped load sensing valve support 15, bottom knockout plate 16, alignment pin 17, bottom knockout bar 18, ejector top board 19, excellent power rubber 20, ejector pull bar 21, ejector lower platen 22, ejector clamp nut 23.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings:
Embodiment: see Fig. 1 Fig. 5.
nullThe invention discloses a kind of automobile drive axle U-shaped load sensing valve rack forming mould，Including upper mold and lower mold，Described upper mold includes the die shank 1 being fastenedly connected successively from top to bottom、Cope match-plate pattern 2、Upper padding plate 4、Punch retainer 5 and forming convax mould 7，Described lower mold includes the die block 11 being fastenedly connected successively from top to bottom、Lower bolster 12 and lower bolster 13，The internal both sides of described forming convax mould 7 are respectively provided with four upper binder springs 6 and upper binder push rod 8，The internal both sides of described die block 11 are respectively provided with a molding concave die 10，The inside of described molding concave die 10 is provided with a die running roller 9，It is provided with a bottom knockout plate 16 between the die cavity of described left and right two pieces molding concave die 10，Described bottom knockout plate 16 upper surface is provided with four alignment pins 17，The lower section of described bottom knockout plate 16 is provided with two pieces bottom knockout bar 18，The lower section of described bottom knockout bar 18 is provided with an ejector top board 19，Described ejector top board 19 is located at the lower section of lower bolster 13 and is provided with an excellent power rubber 20 below，The lower section of described excellent power rubber 20 is provided with an ejector lower platen 22，The lower section of described ejector lower platen 22 is provided with two pieces ejector clamp nut 23，The inside of described ejector clamp nut 23 is provided with an ejector pull bar 21，The upper end of described ejector pull bar 21 is located at the inside of lower bolster 13，The vertical cross-section of described forming convax mould 7 is flat face，The vertical cross-section of described molding concave die 10 is flat face，The rounded shape of vertical cross-section of described die running roller 9，The vertical cross-section of described bottom knockout plate 16 is flat face，Described forming convax mould 7、Molding concave die 10、Die running roller 9 and bottom knockout plate 16 form the forming recess of a U-shaped load sensing valve support 15，Two straight flange edges in the lumen width direction formed between two straight flange edges and the two pieces molding concave die 10 of described bottom knockout plate 16 width are that small gap coordinates.
Being provided with guide pillar guide sleeve structure between described upper mold and lower mold, described guide pin bushing 3 is connected with cope match-plate pattern 2 by interference fit, and described guide pillar 14 is connected with lower bolster 13 by interference fit.
Die shank 1 and cope match-plate pattern 2 are interference fit, upper padding plate 4 is arranged on the lower section of cope match-plate pattern 2 by bolt and alignment pin, punch retainer 5 is arranged on the lower section of upper padding plate 4 by bolt and alignment pin, forming convax mould 7 is fastenedly connected in the bosom of punch retainer 5 by bolt and alignment pin, the upper gap of each four step vias of the internal both sides of forming convax mould 7 coordinates a upper binder spring 6 and underclearance to coordinate a upper binder push rod 8, the step surface of upper binder push rod 8 upper end hangs on the seam of forming convax mould 7 step via, upper binder push rod 8 slides up and down with the step via of forming convax mould 7 and is connected；nullDie running roller 9 is placed in the inside of molding concave die 10 by matched in clearance，Left and right two pieces molding concave die 10 is fastened by bolts the both sides, inside at die block 11，Die block 11 is fastened on the top of lower bolster 12 by bolt and alignment pin，Lower bolster 12 is fastened on the top of lower bolster 13 by bolt and alignment pin，Bottom knockout plate 16 is placed between the die cavity of two pieces molding concave die 10 and slides up and down connection，Four alignment pins 17 are placed in inside and the upper surface of bottom knockout plate 16 middle by interference fit，Two pieces bottom knockout bar 18 is placed on the lower section of bottom knockout plate 16 and the upper surface of ejector top board 19 and it slides up and down with the middle via of lower bolster 12 and lower bolster 13 and is connected，The screwed hole of the upper end of one ejector pull bar 21 and lower bolster 13 bosom is threaded connection and is fastenedly connected，One ejector top board 19 is placed on the lower section of lower bolster 13 and its middle via slides up and down with ejector pull bar 21 and is connected，One excellent power rubber 20 is placed on the lower section of ejector top board 19 and its middle via is matched in clearance with ejector pull bar 21，One ejector lower platen 22 is placed on the lower section of excellent power rubber 20 and its middle via is matched in clearance with ejector pull bar 21，The screwed hole of lower section and its bosom that two pieces ejector clamp nut 23 is placed on ejector lower platen 22 is threaded connection the lower end being fastenedly connected ejector pull bar 21.
The operation principle of the present invention is summarized as follows:
The U-shaped load sensing valve support of such truck-type drive axle is to be processed into by the cold-reduced sheet that 3.0mm is thick is stamped, just can be used for the processing of mould after blanking procedure and blanking-punching operation:
The first step, by the drive axle U-shaped load sensing valve rack forming mould of the present invention, is arranged on single-point open type steam-operating 100T forcing press.
Second step, as in figure 2 it is shown, the two pieces U-shaped load sensing valve support 15 after blanking-punching operation is placed on bottom knockout plate 16 upper surface, and makes two circular holes on two pieces U-shaped load sensing valve support 15 be respectively fitted on the outward flange of four alignment pins 17.
null3rd step，Start forcing press and U-shaped load sensing valve support 15 is carried out punch process，On lathe, work platforms is with forming convax mould 7、Upper binder spring 6 and upper binder push rod 8 move downward，The thrust downwards that upper binder push rod 8 produces because of compression with upper binder spring 6 when U-shaped load sensing valve support 15 contacts with upper binder push rod 8 moves upward，Meanwhile bottom knockout plate 16、The thrust upwards that bottom knockout bar 18 and ejector top board 19 produce because of compression with excellent power rubber 20 moves downward along with forming convax mould 7 together with U-shaped load sensing valve support 15，When U-shaped load sensing valve support 15 contacts with left and right two pieces die running roller 9, die running roller 9 rolls in molding concave die 10 inner chamber and makes stable the entering in the die cavity that left and right two pieces molding concave die 10 is formed of U-shaped load sensing valve support 15，Until the lower surface of bottom knockout plate 16 touches the upper surface of lower bolster 12，Make U-shaped load sensing valve support 15 at forming convax mould 7、Molding concave die 10、Complete such as Fig. 3 brake forming in die cavity between die running roller 9 and bottom knockout plate 16，Reach a length of 60.0-60.1 mm、The straight side length that both sides are dug is 25.9-26.1 mm、U-shaped a size of 57.1 57.3mm that dehisce.
4th step, forcing press upper table face, forming convax mould 7, upper binder spring 6 and upper binder push rod 8 the most upwards return, then ejector top board 19 with excellent power rubber 20 because of compression produce thrust upwards by bottom knockout bar 18, bottom knockout plate 16 and U-shaped load sensing valve support 15 upwards jack-up, until the upper surface of ejector top board 19 contacts with the lower surface of lower bolster 13, with long tweezers, the two pieces U-shaped load sensing valve support 15 of forming is removed and placed in body feed tank from bottom knockout plate 16.
Use the present invention automobile drive axle U-shaped load sensing valve rack forming Mold Making U-shaped load sensing valve contoured cradle dimensionally stable the straight side length that a length of 60.0-60.1 mm, both sides are dug be 25.9-26.1 mm, U-shaped a size of 57.1 57.3mm that dehisce, the concordance of monnolithic case is regular, sustainable stable guarantees that U-shaped load sensing valve support reaches the design of product drawing and requires (as shown in Figure 4, Figure 5).Air line distance size when follow-up U-shaped load sensing valve support and Drive axle housing body are welded can be ensured, it is ensured that the installation site of SABS.Also production capacity is improved while improving product quality, the U-shaped load sensing valve support production process of drive axle is optimized for present three process by four original procedures, will the brake forming of former operation three be optimized for former operation four shaping two procedures together with brake forming operation；And can only be produced a products perfection by original each cycle of operation is that present each cycle of operation molding simultaneously can make two pieces product.Single products split run production capacity is promoted to 9830 by 4680, and split run production capacity improves 110.0%.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610429030.3A CN105880392B (en) | 2016-06-17 | 2016-06-17 | A kind of automobile drive axle U-shaped load sensing valve rack forming mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610429030.3A CN105880392B (en) | 2016-06-17 | 2016-06-17 | A kind of automobile drive axle U-shaped load sensing valve rack forming mould |
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| Publication Number | Publication Date |
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| CN105880392A true CN105880392A (en) | 2016-08-24 |
| CN105880392B CN105880392B (en) | 2018-01-19 |
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| CN201610429030.3A CN105880392B (en) | 2016-06-17 | 2016-06-17 | A kind of automobile drive axle U-shaped load sensing valve rack forming mould |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140964A (en) * | 2016-08-29 | 2016-11-23 | 江西江铃底盘股份有限公司 | A kind of composite die of automobile drive axle oil pipe fixed support bending impressing |
| CN107127253A (en) * | 2017-06-26 | 2017-09-05 | 昆山申凌精密金属工业有限公司 | A kind of U-shaped computer cover plate processing mold |
| CN107127261A (en) * | 2017-07-13 | 2017-09-05 | 余中华 | A kind of synchronous brake forming mould of the U-shaped hook of hand braking control-rod or so part and synchronous processing method |
| CN107442662A (en) * | 2017-08-28 | 2017-12-08 | 合肥家佳乐食品工业有限公司 | A kind of U-shaped shaping mould |
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| DE3629270A1 (en) * | 1985-09-10 | 1987-03-19 | Volkswagen Ag | Apparatus for the wear-free forming of dimensionally accurate sheet-metal components with an at least approximately L-shaped or U-shaped cross-section from sheet-metal blanks or sheet-metal parts |
| CN202045259U (en) * | 2011-02-18 | 2011-11-23 | 上海工程技术大学 | Adjustable precise U-shaped bending die |
| CN102950211A (en) * | 2012-11-29 | 2013-03-06 | 重庆市华青汽车配件有限公司 | Pressure-regulating forming mold for U-shaped bend piece |
| CN103042113A (en) * | 2012-12-18 | 2013-04-17 | 芜湖开瑞金属科技有限公司 | U-shaped bend forming die of car lifting hook with pulleys |
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| CN204262196U (en) * | 2014-11-28 | 2015-04-15 | 陕西宝成航空仪表有限责任公司 | For the anti-wear mould of U-shaped part forming processing |
| CN205673462U (en) * | 2016-06-17 | 2016-11-09 | 江西江铃底盘股份有限公司 | A kind of automobile drive axle U-shaped load sensing valve rack forming mould |
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2016
- 2016-06-17 CN CN201610429030.3A patent/CN105880392B/en active IP Right Grant
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| DE3629270A1 (en) * | 1985-09-10 | 1987-03-19 | Volkswagen Ag | Apparatus for the wear-free forming of dimensionally accurate sheet-metal components with an at least approximately L-shaped or U-shaped cross-section from sheet-metal blanks or sheet-metal parts |
| CN202045259U (en) * | 2011-02-18 | 2011-11-23 | 上海工程技术大学 | Adjustable precise U-shaped bending die |
| CN102950211A (en) * | 2012-11-29 | 2013-03-06 | 重庆市华青汽车配件有限公司 | Pressure-regulating forming mold for U-shaped bend piece |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106140964A (en) * | 2016-08-29 | 2016-11-23 | 江西江铃底盘股份有限公司 | A kind of composite die of automobile drive axle oil pipe fixed support bending impressing |
| CN107127253A (en) * | 2017-06-26 | 2017-09-05 | 昆山申凌精密金属工业有限公司 | A kind of U-shaped computer cover plate processing mold |
| CN107127261A (en) * | 2017-07-13 | 2017-09-05 | 余中华 | A kind of synchronous brake forming mould of the U-shaped hook of hand braking control-rod or so part and synchronous processing method |
| CN107442662A (en) * | 2017-08-28 | 2017-12-08 | 合肥家佳乐食品工业有限公司 | A kind of U-shaped shaping mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105880392B (en) | 2018-01-19 |
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