CN101947621A - Forged coupler yoke frame shaping die - Google Patents

Forged coupler yoke frame shaping die Download PDF

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Publication number
CN101947621A
CN101947621A CN 201010217355 CN201010217355A CN101947621A CN 101947621 A CN101947621 A CN 101947621A CN 201010217355 CN201010217355 CN 201010217355 CN 201010217355 A CN201010217355 A CN 201010217355A CN 101947621 A CN101947621 A CN 101947621A
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CN
China
Prior art keywords
die
tail frame
hook tail
mould
oil cylinder
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Application number
CN 201010217355
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Chinese (zh)
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CN101947621B (en
Inventor
胡其江
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南京中盛铁路车辆配件有限公司
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Priority to CN2010102173558A priority Critical patent/CN101947621B/en
Publication of CN101947621A publication Critical patent/CN101947621A/en
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Publication of CN101947621B publication Critical patent/CN101947621B/en

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Abstract

The invention relates to a forged coupler yoke frame shaping die which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die seat, an upper die, a hoisting claw and a magnet; and the lower die assembly comprises a left moving die, a left oil cylinder, a right moving die, a right oil cylinder, a rear moving die, a rear moving oil cylinder, a middle fixed die and a lower die seat. In the invention, a coupler yoke frame blank bent into a U shape is conveniently arranged on the lower die seat, then the upper die is forged on the coupler yoke frame blank by using a press under the joint action of the middle fixed die, the left moving die, the right moving die and the rear moving die, thus the density of the coupler yoke frame can be improved, the mechanical properties can be better, and the flexibility of frame plates at two sides can be shaped within 1 millimeter to improve the dimensional accuracy of the coupler yoke frame; the amount of finish of 2-3 millimeters of subsequent finish machining can be reduced, thereby the working efficiency is improved, the waste is also reduced, and the mark and the number of a workpiece can be pressed out; and the die has the advantages of having reasonable design and convenient use, benefiting to improving the working efficiency and the workpiece quality, and the like.

Description

The forging hook tail frame sizing die
Technical field
The present invention relates to the mfg. moulding die of railway freight-car forging hook tail frame framework, particularly the hook tail frame of Duan Zaoing carries out a kind of mould of shaping after die forging bar base bends to U type framework, belongs to the forging field.
Background technology
Hook tail frame is a critical component of rolling stock freight car coupler buffer unit, vehicle towed, connect to hang and when cushioning effect takes place, directly finish the transmission of longitudinal force between vehicle.The hook tail frame that uses on the past rolling stock is steel-casting, because casting technique itself is brought defective, makes the casting hook tail frame life-span short, and fatigue crack often takes place, and brings potential safety hazard to railway transportation, even causes driving accident.In order to adapt to railway transportation speed-raising, heavy duty needs, guarantee railway operation safety, now adopt forging hook tail frame, cut edge through blanking, heating, base, die forging bar base, bar base by steel alloy, and then through being bent to the hook tail circle body of U type.Since by forcing press forge and framework along the machine direction brake forming, have had in its intensity and service life to significantly improve.But the size and the positional precision of the U type hook tail frame blank after the bending are not high, have certain flexibility, so, need be with 4~5 millimeters of both sides deckle board thickenings, two deckle board width widen are reserved processing capacity for 3~4 millimeters, if the reservation quantity not sufficient of both sides deckle board also can make allowance the product rejection problem occur inadequately, so obviously there is the not high defective of precision in the hook tail circle body of existing brake forming, keep for the surplus of following process big, be unfavorable for following process.
Summary of the invention
The objective of the invention is to have the not high defective of size and positional precision in order to overcome above-mentioned forging hook tail frame blank, provide that a kind of U type framework blank after the bending further to be processed into allowance reasonable, can effectively improve the forging hook tail frame sizing die of hook tail circle body precision.
Forging hook tail frame sizing die of the present invention, its structure comprise upper die component and following membrane module, it is characterized in that upper die component comprises upper bolster, patrix, lifting pawl and magnet; Following membrane module comprises the dynamic model that moves to left, left oil cylinder, the dynamic model that moves to right, right oil cylinder, the mobile mould in back, the mobile oil cylinder in back, center fixed mould and die shoe; Described upper bolster and die shoe are packed in respectively on slider of hydraulic press and the hydraulic press workbench, the shape of center fixed mould is identical with the cavity shape of forging hook tail frame and be packed on the die shoe, the shape of inboard of the dynamic model and the mobile mould of dynamic model and back that moves to right of moving to left is corresponding with the limit, left side of forging hook tail frame and right edge and back side edge respectively and be installed in the outer and right edge in the limit, left side of center fixed mould and reach outward outside the back side edge, move to left dynamic model and move to right dynamic model and afterwards mobile mould the outside respectively be packed in die shoe on left oil cylinder and right oil cylinder and afterwards mobile oil cylinder be connected; Described patrix is packed on the upper bolster with forging hook tail frame upper side edge correspondence position, and the upper end of lifting pawl is installed in through turning cylinder on the dual-side of patrix, and magnet is installed in the lifting pawl and outwards rotates on the upper bolster of back correspondence position the top.
In order also to be applicable to the forging hook tail frame blank shaping of front end inner wide and outer narrow, rotate mould before can setting up, dwang and holder, the broadside that rotates mould before described is identical with the width of forging hook tail frame front end inner chamber, the width on the narrow limit of preceding rotation mould is littler than the width that keeps off in the forging hook tail frame front end, holder is packed on the die shoe in the forging hook tail frame front end outside, and preceding rotation mould is installed between center fixed mould and the holder through dwang.
For can be in shaping on the remarkable position of hook tail frame heat carve and beat mark and the code name of representing this workpiece, can in upper die component, set up the pressure type matrix, described pressure type matrix is installed in downwards on the patrix corresponding to the forging hook tail frame rear portion.
Forging hook tail frame sizing die of the present invention, to bend to U type hook tail frame blank is contained on the die shoe easily, at the center fixed mould and the dynamic model that moves to left, move to right dynamic model and the back mobile mould acting in conjunction under, with forcing press patrix is forged and pressed on hook tail frame blank again, both sides deckle board blank flexibility can be shaped within 1 millimeter, solve the forging hook tail frame blank and had the not high defective of size and precision, make subsequent fine processing reduce by 2~4 millimeters processing capacity, improve operating efficiency and reduced waste again, hook tail frame density is further improved, mechanical performance is better, the mark and the code name of workpiece can also be extruded in the lump simultaneously, have reasonable in designly, easy to use, help enhancing productivity and advantage such as workpiece quality.
Description of drawings
Fig. 1 is a kind of structural representation of sizing die of the present invention;
Fig. 2 is a kind of structural representation of membrane module under the sizing die of the present invention;
Fig. 3 is the hook tail frame front end rotational structure schematic diagram of preceding rotation mould at inner wide and outer narrow.
Among the last figure 1 is upper bolster, the 2nd, and patrix, the 3rd, press type matrix, the 4th, the dynamic model that moves to left, the 5th, the dynamic model that moves to right, the 6th, the mobile mould in back, the 7th, center fixed mould, the 8th, preceding rotation mould, the 9th, holder, the 10th, dwang, the 11st, die shoe, the 12nd, lifting pawl, the 13rd, magnet, the 14th, forging hook tail frame, the 15th, mark code name, the 16th, left oil cylinder, the 17th, right oil cylinder, the 18th, the mobile oil cylinder in back.
The specific embodiment
Referring to accompanying drawing, forging hook tail frame sizing die of the present invention, its structure comprises upper die component and following membrane module, upper die component comprises upper bolster 1, patrix 2, lifting pawl 12 and magnet 13; Following membrane module comprises the dynamic model 4 that moves to left, left oil cylinder 16, the dynamic model 5 that moves to right, right oil cylinder 17, the mobile mould 6 in back, the mobile oil cylinder 18 in back, center fixed mould 7 and die shoe 11; Described upper bolster 1 and die shoe 11 are packed in respectively on slider of hydraulic press and the hydraulic press workbench, and its structure as shown in Figure 1.The cavity shape of the shape of center fixed mould 7 and U-shaped forging hook tail frame 14 is identical and be packed on the die shoe 11, the shape of inboard of the dynamic model 4 and the mobile mould 6 of dynamic model 5 and back that moves to right of moving to left is corresponding with the limit, left side of U-shaped forging hook tail frame 14 and right edge and back side edge respectively and be installed in the outer and right edge in the limit, left side of center fixed mould 7 and reach outward outside the back side edge, move to left dynamic model 4 and move to right dynamic model 5 and afterwards mobile mould 6 the outside respectively be packed in die shoe 11 on left oil cylinder 16 and right oil cylinder 17 and afterwards mobile oil cylinder 18 be connected; Its structure as shown in Figure 2.Described patrix 2 is packed on the upper bolster 1 with forging hook tail frame upper side edge correspondence position, and the upper end of lifting pawl 12 is installed in through turning cylinder on the dual-side of patrix 2, and magnet 13 is installed in lifting pawl 12 and outwards rotates on the upper bolster 1 of back correspondence position the top.
In order also to be applicable to the forging hook tail frame blank shaping of front end inner wide and outer narrow, rotate mould 8 before can on die shoe, setting up, dwang 10 and holder 9, it is identical with the width of forging hook tail frame 14 blank front end inner chambers to rotate mould 8 broadsides before described, the width on the narrow limit of preceding rotation mould 8 is littler than the width that keeps off in forging hook tail frame 14 front ends, holder 9 is packed on the die shoe 11 in the forging hook tail frame 14 front ends outside, and preceding rotation mould 8 is installed between center fixed mould 7 and the holder 9 through dwang 10.Can change different upper die and lower die assemblies as required, to be fit to that the hook tail frame blank of different model is finished trimming.As shown in Figure 3, forging hook tail frame 14 front end inner cavity cambered surfaces and preceding rotation mould 8 are closely connected under the forcing press effect, play the effect of shaping.It is that rotate at the center with dwang 10 that shaping finishes the preceding mould 8 that rotates in back, current rotation mould 8 (shown in the dotted line among Fig. 3) is when turning to the upright position, because less than hook tail frame 14 front end home record width, therefore lifting by crane, its width hook tail frame blank can be hung out from the shaping position after pawl 12 hooks hook tail frame blank middle part.
For can be in shaping can also be on hook tail frame heat carve and beat mark and the code name of representing this workpiece, can in upper die component, set up pressure type matrix 3, described pressure type matrix 3 is installed in downwards on the patrix 2 corresponding to the forging hook tail frame rear portion.As select CN200920037484.8 gear type transpose hot pressing type matrix for use, heat is carved and is beaten multidigit stationary digital and/or letter efficiently.
During operation, upper die component is installed on the slide block of hydraulic press, following membrane module is installed on the workbench of hydraulic press, and the dynamic model 4 that moves to left, the dynamic model 5 that moves to right, the mobile mould 6 in back are connected and fixed with the oil cylinder piston bar.The shape of center fixed mould 7, width are consistent with shape, the width of hook tail frame blank inner chamber, the preceding mould 8 that rotates is being mutually 90 ° of width and shape differences on the direction, one consistent with hook tail frame blank front end inner chamber width, one is width than the slightly narrow square type of retaining width in the hook tail frame blank front end, is convenient to take out and put into workpiece.Dwang 10 can rotate around self axis on holder 9.Put down the U-shaped blank of the forging hook tail frame after the brake forming 14 into membrane module during work, referring to Fig. 2.Rotating dwang 10 makes preceding rotation mould 8 rotations enter hook tail frame blank front end inner chamber for 90 °, open left oil cylinder 16, right oil cylinder 17, open back oil cylinder 18 again, dynamic model 4, the dynamic model 5 that moves to right, the mobile mould 6 in back promote respectively to move to left, compress hook tail frame U-shaped blank from three directions, make hook tail frame blank 14 and center fixed mould 7, preceding rotation mould 8 closely connected.Pack up lifting pawl 12 then and make it and magnet 13 adhesives, the primer fluid press descends slide block, and patrix 2 compresses hook tail frame 14 both sides, presses type matrix 3 to aim at forging hook tail frame blank U-shaped afterbody and extrudes mark code name 15.Pressurize was withdrawed from after 30 seconds, when withdrawing from, opened three oil cylinders and return, and the dynamic model 4 that moves to left, the dynamic model 5 that moves to right, the mobile mould 6 in back are return.Its width rotates when rotating mould 8 counter-rotatings (shown in the dotted line among Fig. 3) to the upright position before dwang 10 drives, owing to, can break away from (then not having this step for what rotate mould before need not to set up) with hook tail frame front end inner chamber less than hook tail frame 14 front end home record width.Put down lifting pawl 12, will lift by crane pawl 12 and hook forging hook tail frame 14 middle parts.Primer fluid press, slide block rise, and forging hook tail frame 14 can be hung out from the shaping position, be placed on ready header board can be reached on the car of dragging away again behind the forging hook tail frame below after, pack up lifting pawl 12 again and finish this shaping.

Claims (3)

1. a forging hook tail frame sizing die comprises upper die component and following membrane module, it is characterized in that upper die component comprises upper bolster, patrix, lifting pawl and magnet; Following membrane module comprises the dynamic model that moves to left, left oil cylinder, the dynamic model that moves to right, right oil cylinder, the mobile mould in back, the mobile oil cylinder in back, center fixed mould and die shoe; Described upper bolster and die shoe are packed in respectively on slider of hydraulic press and the hydraulic press workbench, the shape of center fixed mould is identical with the cavity shape of forging hook tail frame and be packed on the die shoe, the shape of inboard of the dynamic model and the mobile mould of dynamic model and back that moves to right of moving to left is corresponding with the limit, left side of forging hook tail frame and right edge and back side edge respectively and be installed in the outer and right edge in the limit, left side of center fixed mould and reach outward outside the back side edge, move to left dynamic model and move to right dynamic model and afterwards mobile mould the outside respectively be packed in die shoe on left oil cylinder and right oil cylinder and afterwards mobile oil cylinder be connected; Described patrix is packed on the upper bolster with forging hook tail frame upper side edge correspondence position, and the upper end of lifting pawl is installed in through turning cylinder on the dual-side of patrix, and magnet is installed in the lifting pawl and outwards rotates on the upper bolster of back correspondence position the top.
2. forging hook tail frame sizing die as claimed in claim 1, rotate mould before it is characterized in that also comprising, dwang and holder, the broadside that rotates mould before described is identical with the width of forging hook tail frame front end inner chamber, the width on the narrow limit of preceding rotation mould is littler than the width that keeps off in the forging hook tail frame front end, holder is packed on the die shoe in the forging hook tail frame front end outside, and preceding rotation mould is installed between center fixed mould and the holder through dwang.
3. forging hook tail frame sizing die as claimed in claim 1 or 2 is characterized in that also comprising the pressure type matrix, and described pressure type matrix is installed in downwards on the patrix corresponding to the forging hook tail frame rear portion.
CN2010102173558A 2010-07-05 2010-07-05 Forged coupler yoke frame shaping die CN101947621B (en)

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Application Number Priority Date Filing Date Title
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CN101947621A true CN101947621A (en) 2011-01-19
CN101947621B CN101947621B (en) 2012-07-25

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102389913A (en) * 2011-10-25 2012-03-28 南通皋液液压机有限公司 Shaping hydraulic machine for tail hook frame of bullet train carriage
CN102554096A (en) * 2012-01-18 2012-07-11 南召县兴隆汽车配件有限责任公司 Vehicle driving front axle half shaft fork-like flange forging die and fork-like flange machining process
CN108580775A (en) * 2018-04-03 2018-09-28 海宁鼎合工程技术开发有限公司 A kind of Tong Lv forging press robot

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2285704Y (en) * 1996-04-10 1998-07-08 凤城市通达汽车配件厂 Hot forging die for flange of half rear axle for automobile
EP1330320A1 (en) * 2000-11-02 2003-07-30 Forschungsgesellschaft Umformtechnik m.b.H. Method and device for the production of a workpiece with internal toothing, in particular a hollow wheel
CN1807009A (en) * 2006-02-21 2006-07-26 国营重庆重型铸锻厂 Method for forging combined forged steel coupler yoke for railway vehicles
CN200984594Y (en) * 2006-12-14 2007-12-05 天津市天锻压力机有限公司 Lateral compressing core knockout extracting device of liquid contour forging hydrostatic press
CN201042729Y (en) * 2007-06-01 2008-04-02 济南巨能液压机电工程有限公司 Train smithing coupler tail frame bending and shaping hydraulic press
CN201720381U (en) * 2010-07-05 2011-01-26 南京中盛铁路车辆配件有限公司 Forging coupler tail frame shaping film

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2285704Y (en) * 1996-04-10 1998-07-08 凤城市通达汽车配件厂 Hot forging die for flange of half rear axle for automobile
EP1330320A1 (en) * 2000-11-02 2003-07-30 Forschungsgesellschaft Umformtechnik m.b.H. Method and device for the production of a workpiece with internal toothing, in particular a hollow wheel
CN1807009A (en) * 2006-02-21 2006-07-26 国营重庆重型铸锻厂 Method for forging combined forged steel coupler yoke for railway vehicles
CN200984594Y (en) * 2006-12-14 2007-12-05 天津市天锻压力机有限公司 Lateral compressing core knockout extracting device of liquid contour forging hydrostatic press
CN201042729Y (en) * 2007-06-01 2008-04-02 济南巨能液压机电工程有限公司 Train smithing coupler tail frame bending and shaping hydraulic press
CN201720381U (en) * 2010-07-05 2011-01-26 南京中盛铁路车辆配件有限公司 Forging coupler tail frame shaping film

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102389913A (en) * 2011-10-25 2012-03-28 南通皋液液压机有限公司 Shaping hydraulic machine for tail hook frame of bullet train carriage
CN102554096A (en) * 2012-01-18 2012-07-11 南召县兴隆汽车配件有限责任公司 Vehicle driving front axle half shaft fork-like flange forging die and fork-like flange machining process
CN108580775A (en) * 2018-04-03 2018-09-28 海宁鼎合工程技术开发有限公司 A kind of Tong Lv forging press robot
CN108580775B (en) * 2018-04-03 2019-09-13 杭州德飙新能源科技有限公司 A kind of Tong Lv forging press robot

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