CN105834310A - Forming mould for car driving axle U-shaped shock absorber bracket - Google Patents

Forming mould for car driving axle U-shaped shock absorber bracket Download PDF

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Publication number
CN105834310A
CN105834310A CN201610429133.XA CN201610429133A CN105834310A CN 105834310 A CN105834310 A CN 105834310A CN 201610429133 A CN201610429133 A CN 201610429133A CN 105834310 A CN105834310 A CN 105834310A
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CN
China
Prior art keywords
die
mould
forming
shock absorber
shaped shock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610429133.XA
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Chinese (zh)
Inventor
邹函滔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Jiangling Chassis Co Ltd
Original Assignee
Jiangxi Jiangling Chassis Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Jiangling Chassis Co Ltd filed Critical Jiangxi Jiangling Chassis Co Ltd
Priority to CN201610429133.XA priority Critical patent/CN105834310A/en
Publication of CN105834310A publication Critical patent/CN105834310A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06Bending 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses a forming mould for a car driving axle U-shaped shock absorber bracket. The forming mould comprises an upper mould body and a lower mould body, and is characterized in that the two sides inside a forming male mould body in the upper mould body are each provided with four upper pressing springs and an upper pressing ejection rod. The two sides inside a female mould fixing plate in the lower mould body are each provided with a forming female mould body, a female mould roller is arranged inside each forming female mould body, and a lower ejection plate capable of moving up and down is arranged between cavities of the left forming female mould body and the right forming female mould body. The vertical section of the forming male mould body is a level straight surface. The vertical section of each forming female mould body is a level straight surface. The vertical section of each female mould roller is round. The vertical section of the lower ejection plate is a level straight surface. The forming male mould body, the forming female mould bodies, the female mould rollers and the lower ejection plate form a forming cavity for the U-shaped shock absorber bracket. The forming mould is provided with the structure of an upper pressing device and the forming female mould bodies matched with a roller mechanism, so that the forming process of blank materials is stable, and the normal U shape and stable strength performance of the U-shaped shock absorber bracket are guaranteed.

Description

A kind of automobile drive axle U-shaped shock absorber support mould
Technical field
The invention belongs to machining equipment field, relate to a kind of U-shaped shock absorber support mould, particularly to the mould of a kind of automobile drive axle U-shaped shock absorber support molding.
Background technology
Automobile drive axle U-shaped shock absorber support is welded on automobile drive axle housing body, Main Function is that automobile absorber is installed in fastening, control the installation site of amortisseur, to realize vehicle damping effect control in motion, it is ensured that the stability during vehicle traveling and comfortableness.
The traditional mode of production of U-shaped shock absorber support is that a point five processes is processed, it first uses single-point plate shearing machine to implement operation one blanking processing, then one point press is used to implement the processing of operation two blanking, moreover use one point press to implement operation three punching processing, then use one point press to implement operation four brake forming processing, finally use double action oil hydraulic press to implement operation five shaping processing.Use traditional processing technology, after U-shaped shock absorber support operation four brake forming, its U-shaped change in size interval of dehiscing is relatively big generally at more than 2.0mm, and two installing hole Concentricity tolerances above the straight flange dug of its both sides are the biggest generally at more than 1.5mm, can not be met it be welded and require U-shaped change in size of dehiscing interval within 1.0mm and two installing hole concentricitys are within 1.0mm, and affect air line distance size when U-shaped shock absorber support is welded with Drive axle housing body, and then have influence on the installation site of amortisseur.It is typically after operation four brake forming is processed, makes U-shaped shock absorber support reach the requirement that is welded by implementing operation five 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, product can be made to ensure in molding procedure, and stable molding is dehisced size and the concentricity of two installing holes, 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 shock absorber support mould.
In order to realize the purpose of the present invention, the technical solution used in the present invention is:
nullA kind of automobile drive axle U-shaped shock absorber support mould,Including upper mold and lower mold,Described upper mold includes the die shank being fastenedly connected successively from top to bottom、Cope match-plate pattern、Upper padding plate、Punch retainer and forming convax mould,Described lower mold includes the die block being fastenedly connected successively from top to bottom、Lower bolster and lower bolster,The internal both sides of described forming convax mould are respectively provided with four upper binder springs and upper binder push rod,The internal both sides of described die block are respectively provided with a molding concave die,The inside of described molding concave die is provided with a die running roller,It is provided with a bottom knockout plate between the die cavity of described left and right two pieces molding concave die,Described bottom knockout plate upper surface is provided with two pieces alignment pin,The lower section of described bottom knockout plate is provided with two pieces bottom knockout bar,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,Described forming convax mould、Molding concave die、Die running roller and bottom knockout plate form the forming recess of a U-shaped shock absorber support,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 that small gap coordinates.
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.
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, lower bolster is fastened on the top of lower bolster by bolt and alignment pin, bottom knockout plate is placed between the die cavity of two pieces molding concave die and slides up and down connection, two pieces alignment pin is placed in inside and the upper surface of bottom knockout plate middle by interference fit, two pieces bottom knockout bar slides up and down with the middle via of lower bolster and lower bolster and is connected.
Being provided with guide pillar guide sleeve structure between described upper mold and lower mold, described guide pin bushing is connected with cope match-plate pattern by interference fit, and described guide pillar is connected with lower bolster by interference fit.
The beneficial effects of the present invention is:
1. the mould of the present invention carry material pressing device and molding concave die be furnished with the structure of roller mechanism blank can be made to ensure in molding procedure stable molding is dehisced size and the concentricity of two installing holes, make blank forming process stable, it is ensured that the face shaping of U-shaped shock absorber support U-shaped is regular and strength character stable.
2. the mould of the present invention brake forming of former operation four can be optimized for former operation five shaping two procedures together with brake forming operation, can promote productive temp, strengthen production capacity, reduce 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 main TV structure schematic diagram after Workpiece shaping.
Fig. 4 is the plan structure schematic diagram after Workpiece shaping.
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 shock absorber support 15, bottom knockout plate 16, alignment pin 17, bottom knockout bar 18, U-shaped shock absorber support blank 19.
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. 4.
nullThe invention discloses a kind of automobile drive axle U-shaped shock absorber support 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 two pieces alignment pin 17,The lower section of described bottom knockout plate 16 is provided with two pieces bottom knockout bar 18,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 shock absorber 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;Die 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, two pieces alignment pin 17 is placed in inside and the upper surface of bottom knockout plate 16 middle by interference fit, two pieces bottom knockout bar 18 slides up and down with the middle via of lower bolster 12 and lower bolster 13 and is connected.
The operation principle of the present invention is summarized as follows:
The U-shaped shock absorber support of such SWB list tire series drive axle is to be processed into by the hot rolled plate that 5.0mm is thick is stamped, just can be used for the processing of mould after blanking procedure, blanking operation and punching operation:
The first step, by the drive axle U-shaped shock absorber support mould of the present invention, is arranged on the 100T forcing press of single-point open type steam-operating leukorrhagia liftout tank.
Second step, opens the lower liftout tank air valve valve of forcing press, makes lower liftout tank run to the position of stroke peak, makes the upper planar top of 18 bottom knockout plates 16 of bottom knockout bar to exceeding the position of working face 1.0mm on molding concave die 10.
3rd step, as in figure 2 it is shown, the U-shaped shock absorber support blank 19 after punching operation is placed on bottom knockout plate 16 upper surface, and makes two center holes on U-shaped shock absorber support blank 19 be respectively fitted on the outward flange of two pieces alignment pin 17.
null4th step,Start forcing press and U-shaped shock absorber support blank 19 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 shock absorber support blank 19 contacts with upper binder push rod 8 moves upward,Move downward along with forming convax mould 7 together with liftout tank thrust upwards and U-shaped shock absorber support blank 19 under meanwhile bottom knockout plate 16 and bottom knockout bar 18 are with lathe,When U-shaped shock absorber support blank 19 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 shock absorber support blank 19,Until the lower surface of bottom knockout plate 16 touches the upper surface of lower bolster 12,Make U-shaped shock absorber support 15 at forming convax mould 7、Molding concave die 10、Brake forming is completed in die cavity between die running roller 9 and bottom knockout plate 16,Reaching holes center with bottom surface distance is 40.1-40.2 mm、Holes center and hypotenuse distance are 74.7-74.8 mm、U-shaped a size of 40.4 40.7mm that dehisce、Holes concentricity is 0.5-0.6 mm,After overmolding,The structure of workpiece such as Fig. 3、Shown in Fig. 4.
5th 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 bottom knockout bar 18 is by bottom knockout plate 16 and U-shaped shock absorber support 15 upwards jack-up, until the lower liftout tank of forcing press runs to the position of its stroke peak, with long tweezers, the U-shaped shock absorber support 15 of forming is removed and placed in body feed tank from bottom knockout plate 16.
It is 40.1-40.2 mm that the U-shaped shock absorber support overall dimensions using the automobile drive axle U-shaped shock absorber support mould of the present invention to make is stablized at holes center and bottom surface distance, holes center is 74.7-74.8 mm with hypotenuse distance, U-shaped a size of 40.4 40.7mm that dehisce, holes concentricity are 0.5-0.6 mm, the concordance of monnolithic case is regular, sustainable stable guarantees that U-shaped shock absorber support reaches the design requirement of product drawing.Air line distance size when follow-up U-shaped shock absorber support and Drive axle housing body are welded can be ensured, it is ensured that the installation site of amortisseur.Also production capacity is improved while improving product quality, the U-shaped shock absorber support production process of company Europe II SWB list tire series drive axle is optimized for four present procedures by original five processes, will the brake forming of former operation four be optimized for former operation five shaping two procedures together with brake forming operation.Single products split run production capacity is promoted to 3430 by 2160, and split run production capacity improves 58.8%.

Claims (4)

  1. null1. an automobile drive axle U-shaped shock absorber support 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),It is characterized in that: 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),A bottom knockout plate (16) it is provided with 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 two pieces alignment pin (17),The lower section of described bottom knockout plate (16) is provided with two pieces bottom knockout bar (18),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 shock absorber 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 matched in clearance.
  2. nullA kind of automobile drive axle U-shaped shock absorber support mould the most according to claim 1,It is characterized in that: described 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.
  3. nullA kind of automobile drive axle U-shaped shock absorber support mould the most according to claim 2,It is characterized in that: described die 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,Two pieces alignment pin (17) is placed in inside and the upper surface of bottom knockout plate (16) middle by interference fit,Two pieces bottom knockout bar (18) slides up and down with the middle via of lower bolster (12) and lower bolster (13) and is connected.
  4. A kind of automobile drive axle U-shaped shock absorber support mould the most according to claim 1, it is characterized in that: between described upper mold and lower mold, be provided with guide pillar guide sleeve structure, 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.
CN201610429133.XA 2016-06-17 2016-06-17 Forming mould for car driving axle U-shaped shock absorber bracket Pending CN105834310A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610429133.XA CN105834310A (en) 2016-06-17 2016-06-17 Forming mould for car driving axle U-shaped shock absorber bracket

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Application Number Priority Date Filing Date Title
CN201610429133.XA CN105834310A (en) 2016-06-17 2016-06-17 Forming mould for car driving axle U-shaped shock absorber bracket

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108188275A (en) * 2017-12-30 2018-06-22 宁海县恒丰轻工有限公司 The forming method and its mold of rear suspension support for engine stabilizer blade

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3705512A (en) * 1970-01-28 1972-12-12 Maschf Augsburg Nuernberg Ag Bending tool for bending deformable workpieces, such as metal sheets and the like
JP2001150031A (en) * 1999-11-30 2001-06-05 Matsuo Kogyosho:Kk Method of forming annulus ring necessary for manufacture of holder of cylindrical roller bearing and processing method therefor
CN101722222A (en) * 2008-10-30 2010-06-09 朱贵祥 Multipurpose adjustable-pressure die for U-shaped workpiece
CN202591430U (en) * 2012-06-18 2012-12-12 重庆工学院七一仪表厂 Press stretch forming die for manufacturing flywheels
CN103357748A (en) * 2012-03-28 2013-10-23 张志平 Simple U-shaped bending piece stamping mould
CN203751140U (en) * 2014-03-14 2014-08-06 宁波甬抚机械有限公司 U-shaped piece cold punching die
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3705512A (en) * 1970-01-28 1972-12-12 Maschf Augsburg Nuernberg Ag Bending tool for bending deformable workpieces, such as metal sheets and the like
JP2001150031A (en) * 1999-11-30 2001-06-05 Matsuo Kogyosho:Kk Method of forming annulus ring necessary for manufacture of holder of cylindrical roller bearing and processing method therefor
CN101722222A (en) * 2008-10-30 2010-06-09 朱贵祥 Multipurpose adjustable-pressure die for U-shaped workpiece
CN103357748A (en) * 2012-03-28 2013-10-23 张志平 Simple U-shaped bending piece stamping mould
CN202591430U (en) * 2012-06-18 2012-12-12 重庆工学院七一仪表厂 Press stretch forming die for manufacturing flywheels
CN203751140U (en) * 2014-03-14 2014-08-06 宁波甬抚机械有限公司 U-shaped piece cold punching die
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108188275A (en) * 2017-12-30 2018-06-22 宁海县恒丰轻工有限公司 The forming method and its mold of rear suspension support for engine stabilizer blade

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