CN204974784U - A anti - extrusion die for producing long and thin dark blind hole aluminium alloy shell - Google Patents

A anti - extrusion die for producing long and thin dark blind hole aluminium alloy shell Download PDF

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Publication number
CN204974784U
CN204974784U CN201520650836.6U CN201520650836U CN204974784U CN 204974784 U CN204974784 U CN 204974784U CN 201520650836 U CN201520650836 U CN 201520650836U CN 204974784 U CN204974784 U CN 204974784U
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China
Prior art keywords
patrix
counterdie
bolster
blind hole
overcoat
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Expired - Fee Related
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CN201520650836.6U
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Chinese (zh)
Inventor
伍太宾
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Chongqing University of Arts and Sciences
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Chongqing University of Arts and Sciences
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Priority to CN201520650836.6U priority Critical patent/CN204974784U/en
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Abstract

The utility model discloses an anti - extrusion die for producing long and thin dark blind hole aluminium alloy shell includes mould, lower mould and guide pillar, goes up the mould and includes long and thin drift. The lower mould includes lower bolster, die holder, lower liner cover, lower mould cushion, lower mold core, lower mould overcoat and ejector pin, and the die holder is fixed to be installed on the lower bolster, and supreme installing in proper order on the lower bolster is down followed to lower liner cover, lower mould cushion and lower mold core, and lower bolster, lower liner overlap and movable chamber has been offered at lower mould cushion middle part. The ejector pin activity is installed in the activity intracavity, has offered shaping die cavity in the lower mold core. The utility model discloses a holistic module is formed to lower liner cover and lower mould cushion, lower mold core and lower mould overcoat to on being fixed in the die holder through the lower moulded board that is equipped with with this module on the lower mould, this structural design is favorable to the utility model discloses an equipment and maintenance dismouting. Long and thin drift adopts the manufacturing of W6Mo5Cr4V2Al high -speed steel, has improved the life of long and thin drift.

Description

A kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing
Technical field
The utility model relates to a kind of mould, particularly a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing.
Background technology
Current domestic existing indirect-extrusion mould, when the elongated dark blind hole Al-alloy casing part of backward extrusion, because the disalignment of upper die and lower die, the microscopic structure being extruded aluminum alloy materials and hardness are uneven, thus cause the eccentric stand under load of slender punch, easily cause the elastic instability of slender punch, bend or fracture; Simultaneously due to the unreasonable structure of slender punch moulding section in existing indirect-extrusion mould, the frictional force in backward extrusion process between slender punch and blank is comparatively large, causes the stressed increasing of slender punch, reduces the service life of slender punch.Described mould structure is complicated, and assembling and maintenance dismounting inconvenience.
Utility model content
For above-mentioned deficiency, the purpose of this utility model is, provides a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing, and its structure is simple, easy to assembly and long service life.
For achieving the above object, technical scheme provided by the utility model is:
A kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing, for being installed in hydraulic press, comprise upper die and lower die and guide pillar, described patrix is installed on the slide block that is provided with on a hydraulic press, can the upper and lower motion with the compacting of slider of hydraulic press and drawback movement, patrix comprises slender punch.Counterdie is fixed on the work top of hydraulic press, described counterdie comprises lower bolster, die shoe, lower lining, counterdie cushion block, lower mold core, counterdie overcoat and push rod, described die shoe is fixed on lower bolster, described lower lining, counterdie cushion block and lower mold core to be installed in successively from bottom to up on described lower bolster and to be positioned at described die shoe, counterdie overcoat press-fits outside described lower mold core by tapering interference fit, described lower bolster, movable chamber is offered in the middle part of lower lining and counterdie cushion block, described push rod is movable up and down to be installed in movable chamber, shaping die cavity is offered in lower mold core.
Improve as one of the present utility model, described patrix comprises cope match-plate pattern, upper bolster, upper die-cushion, patrix insert, patrix overcoat and upper molded plate, described cope match-plate pattern is fixed on the slide block of hydraulic press, and cope match-plate pattern is provided with guide pin bushing, described upper bolster is bolted the lower surface being installed in cope match-plate pattern, upper die-cushion is installed in upper bolster, described patrix overcoat press-fits outside patrix insert by tapering interference fit, and patrix insert and patrix overcoat are fixed on described upper bolster by screw by upper molded plate.
Improve as one of the present utility model, described patrix insert comprises the first patrix insert and the second patrix insert, and the upper end of described slender punch is fixed between the first patrix insert and the second patrix insert.
Improve as one of the present utility model, described slender punch comprises the clamping part of the outwardly shaping forming part in body, body lower end and body upper end, and the clamping part of the upper end of described slender punch is fixed between the first patrix insert and the second patrix insert.The diameter of described body is 18.8mm, and the diameter of forming part is 19.1mm, length is 4mm ~ 6mm, and operative end surface is flat.
Improve as one of the present utility model, described slender punch adopts W 6mo 5cr 4v 2al high-speed steel.
Improve as one of the present utility model, described counterdie also comprises the lower moulded board outside fixing described counterdie overcoat, and described lower lining and counterdie cushion block, lower mold core and counterdie overcoat are fixed on described die shoe by lower moulded board.
Improve as one of the present utility model, described push rod comprises ejector beam and lower push rod, described ejector beam and lower push rod is mobilizable is installed in described movable chamber, and lower push rod stretches out the lower surface of described lower bolster downwards.
The beneficial effects of the utility model are: a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing of the utility model, the module that described lower lining and counterdie cushion block, lower mold core and counterdie overcoat form a whole, and by lower moulded board, this module being fixed on described die shoe, this structural design is conducive to assembling of the present utility model and maintenance dismounting.Described slender punch adopts W 6mo 5cr 4v 2al high-speed steel, and to have employed forming part be flat, width 4mm ~ 6mm work strip and clamping part is the slender punch structure that face side is recessed, improves the service life of slender punch.Described patrix is arranged on the slide block of hydraulic press, is set the displacement of slender punch, thus complete the backward extrusion of different depth specification blind hole by regulator solution press slide travel position.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing of the utility model.
In figure, each description of reference numerals is as follows.
Patrix-1, slender punch-11, body-111, forming part-112, clamping part-113, cope match-plate pattern-12, upper bolster-13, upper die-cushion-14, patrix insert-15, first patrix insert-151, second patrix insert-152, patrix overcoat-16, upper molded plate-17, guide pin bushing-18, counterdie-2, lower bolster-21, die shoe-22, lower lining-23, counterdie cushion block-24, lower mold core-25, shaping die cavity-251, counterdie overcoat-26, movable chamber-27, lower moulded board-28, ejector beam-291, lower push rod-292, guide pillar-3.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Refer to Fig. 1, a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing, for being installed in a hydraulic press, it comprises patrix 1, counterdie 2 and ensures patrix 1 and the coaxial guide pillar 3 of counterdie 2 and guide pin bushing 18.Described patrix 1 is installed on the slide block that is provided with on a hydraulic press, and described patrix 1 comprises slender punch 11.Counterdie 2 is fixed on the work top of hydraulic press, and described counterdie 2 comprises lower bolster 21, die shoe 22, lower lining 23, counterdie cushion block 24, lower mold core 25, counterdie overcoat 26 and push rod.Described die shoe 22 is fixed on lower bolster 21, described lower lining 23, counterdie cushion block 24 and lower mold core 25 to be installed in successively from bottom to up on described lower bolster 21 and to be positioned at described die shoe 22, and counterdie overcoat 26 is press-fited outside described lower mold core 25 by tapering interference fit.Offer movable chamber 27 in the middle part of described lower bolster 21, lower lining 23 and counterdie cushion block 24, described push rod is movable up and down to be installed in movable chamber 27, offers shaping die cavity 251 in lower mold core 25.
Described patrix 1 comprises cope match-plate pattern 12, upper bolster 13, upper die-cushion 14, patrix insert 15, patrix overcoat 16 and upper molded plate 17.Described cope match-plate pattern 12 is fixed on the slide block of hydraulic press, and cope match-plate pattern 12 is provided with guide pin bushing 18.Described upper bolster 13 is bolted the lower surface being installed in cope match-plate pattern 12, upper die-cushion 14 is installed in upper bolster 13, described patrix overcoat 16 press-fits outside patrix insert 15 by tapering interference fit, and patrix insert 15 and patrix overcoat 16 are fixed on described upper bolster 13 by screw by upper molded plate 17.
Particularly, described patrix insert 15 comprises the first patrix insert 151 and the second patrix insert 152, the upper end of described slender punch 11 is fixed between the first patrix insert 151 and the second patrix insert 152, be conducive to changing slender punch 11, when bending, fractureing or wearing and tearing appears in slender punch 11, do not need patrix 1 the whole series to change, thus reduce mold use cost.
Particularly, described slender punch 11 comprises the clamping part 113 of the outwardly shaping forming part 112 in body 111, body 111 lower end and body 111 upper end, the clamping part 113 stating slender punch 11 upper end is fixed between the first patrix insert 151 and the second patrix insert 152, in the present embodiment, the blind hole dimensional requirement of product is produced for reaching the utility model, the diameter design of described body 111 is 18.8mm, the diameter of forming part 112 is 19.1mm, length is 4mm ~ 6mm, and operative end surface is flat.
In the present embodiment, in order to reach forming technology requirement of the present utility model, described slender punch 11 adopts W 6mo 5cr 4v 2al high-speed steel, improves the service life of slender punch 11.
Described counterdie 2 also comprises the lower moulded board 28 of fixing described counterdie overcoat 26, described lower lining 23 and counterdie cushion block 24, lower mold core 25 and counterdie overcoat 26 are fixed on described die shoe 22 by lower moulded board 28, in the utility model, the module that described lower lining 23 and counterdie cushion block 24, lower mold core 25 and counterdie overcoat 26 form a whole, and by lower moulded board 28, this module being fixed on described die shoe 22, this structural design is conducive to assembling and the maintenance dismounting of a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing of the utility model.
Described push rod comprises ejector beam 291 and lower push rod 292, described ejector beam 291 and lower push rod 292 is mobilizable is installed in described movable chamber 27, lower push rod 292 stretches out the enough length of the lower surface of described lower bolster 21 downwards, so that the ejecting of backward extrusion part.
A kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing of the utility model, its course of work is as follows: the power supply opening hydraulic press, primer fluid press, the patrix 1 of described indirect-extrusion mould is arranged on the slide block of hydraulic press, counterdie 2 is fixed on the work top of hydraulic press, and ensures that guide pillar 3 and guide pin bushing 18 have good being slidably matched; The travel switch position of regulator solution press, ensures that the stroke of slider of hydraulic press meets forming technology requirement.First pressing slide block backhaul switch and the ejection system backhaul switch of hydraulic press, by slider of hydraulic press backhaul, ejection system backhaul, then being positioned in the shaping die cavity 251 of counterdie 2 by being extruded aluminum alloy blank; Then, press the compacting switch of slider of hydraulic press, slider of hydraulic press will move downward, and drive patrix 1 moves downward by moving downward of slider of hydraulic press, and the 11 pairs of aluminum alloy blanks of the slender punch in patrix 1 carry out punching; Stopping moved downward when slider of hydraulic press moves to the travel switch position of setting, slender punch also completes punching; Press the backhaul switch of slider of hydraulic press, along with the backhaul of slider of hydraulic press, the patrix 1 be arranged on slider of hydraulic press drives slender punch 11 also backhaul, gets back to initial position; That presses ejection system again ejects switch, and described for promotion lower push rod 292 moves upward and promotes ejector beam 291 by ejection system, and ejector beam 291 moves upward and ejects the product of backward extrusion.
As mentioned above, a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing of the utility model, the module that described lower lining 23 and counterdie cushion block 24, lower mold core 25 and counterdie overcoat 26 form a whole, and by lower moulded board 28, this module being fixed on described die shoe 22, this structural design is conducive to assembling of the present utility model and maintenance dismounting.Described slender punch 11 adopts W 6mo 5cr 4v 2al high-speed steel, and to have employed forming part 112 be flat, width 4mm ~ 6mm work strip and clamping part 113 is the structure of the slender punch 11 that face side is recessed, improves the service life of slender punch 11.Described patrix 1 is arranged on the slide block of hydraulic press, is set the displacement of slender punch 11, thus complete the backward extrusion of different depth specification blind hole by regulator solution press slide travel position.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change above-mentioned embodiment and revise.Therefore, the utility model is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of the present utility model modifications and changes more of the present utility model.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the utility model, adopt other device same or analogous with it, all in the utility model protection domain.

Claims (7)

1. the indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing, for being installed in hydraulic press, it is characterized in that: comprise patrix (1), counterdie (2) and guide pillar (3), described patrix (1) is installed on the slide block that is provided with on a hydraulic press, can the upper and lower motion with the compacting of slider of hydraulic press and drawback movement, patrix (1) comprises slender punch (11), counterdie (2) is fixed on the work top of hydraulic press, described counterdie (2) comprises lower bolster (21), die shoe (22), lower lining (23), counterdie cushion block (24), lower mold core (25), counterdie overcoat (26) and push rod, described die shoe (22) is fixed on lower bolster (21), described lower lining (23), counterdie cushion block (24) and lower mold core (25) are installed in described lower bolster (21) from bottom to up successively and go up and be positioned at described die shoe (22), counterdie overcoat (26) press-fits in described lower mold core (25) outward by tapering interference fit, described lower bolster (21), lower lining (23) and counterdie cushion block (24) middle part offer movable chamber (27), described push rod is movable up and down to be installed in movable chamber (27), shaping die cavity (251) is offered in lower mold core (25).
2. a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing as claimed in claim 1, it is characterized in that: described patrix (1) comprises cope match-plate pattern (12), upper bolster (13), upper die-cushion (14), patrix insert (15), patrix overcoat (16) and upper molded plate (17), described cope match-plate pattern (12) is fixed on the slide block of hydraulic press, and cope match-plate pattern (12) is provided with guide pin bushing (18), described upper bolster (13) is bolted the lower surface being installed in cope match-plate pattern (12), upper die-cushion (14) is installed in upper bolster (13), described patrix overcoat (16) press-fits in patrix insert (15) outward by tapering interference fit, patrix insert (15) and patrix overcoat (16) are fixed on described upper bolster (13) by screw by upper molded plate (17).
3. a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing as claimed in claim 2, it is characterized in that: described patrix insert (15) comprises the first patrix insert (151) and the second patrix insert (152), the upper end of described slender punch (11) is fixed between the first patrix insert (151) and the second patrix insert (152).
4. a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing as claimed in claim 3, it is characterized in that: described slender punch (11) comprises body (111), the clamping part (113) of the shaping forming part (112) that body (111) lower end is outwardly and body (111) upper end, the clamping part (113) of the upper end of described slender punch (11) is fixed between the first patrix insert (151) and the second patrix insert (152), the diameter of described body (111) is 18.8mm, the diameter of forming part (112) is 19.1mm, length is 4mm ~ 6mm, and operative end surface is flat.
5. a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing as claimed in claim 1, is characterized in that: described slender punch (11) adopts W 6mo 5cr 4v 2al high-speed steel.
6. a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing as claimed in claim 1, it is characterized in that: described counterdie (2) also comprises fixing described counterdie overcoat (26) lower moulded board (28) outward, and described lower lining (23) and counterdie cushion block (24), lower mold core (25) and counterdie overcoat (26) are fixed on described die shoe (22) by lower moulded board (28).
7. a kind of indirect-extrusion mould for the production of elongated dark blind hole Al-alloy casing as claimed in claim 1, it is characterized in that: described push rod comprises ejector beam (291) and lower push rod (292), described ejector beam (291) and lower push rod (292) is mobilizable is installed in described movable chamber (27), lower push rod (292) stretches out the lower surface of described lower bolster (21) downwards.
CN201520650836.6U 2015-08-26 2015-08-26 A anti - extrusion die for producing long and thin dark blind hole aluminium alloy shell Expired - Fee Related CN204974784U (en)

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CN201520650836.6U CN204974784U (en) 2015-08-26 2015-08-26 A anti - extrusion die for producing long and thin dark blind hole aluminium alloy shell

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Application Number Priority Date Filing Date Title
CN201520650836.6U CN204974784U (en) 2015-08-26 2015-08-26 A anti - extrusion die for producing long and thin dark blind hole aluminium alloy shell

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105665596A (en) * 2016-03-30 2016-06-15 江苏威鹰机械有限公司 Manufacturing process for propelling sleeve of parking gear pawl of new energy car
CN107755446A (en) * 2017-09-25 2018-03-06 中北大学 A kind of processing technology of raising DT4C pure iron magnetic behaviors
CN108655271A (en) * 2018-06-25 2018-10-16 江苏科思朗科技有限公司 A kind of high-precision extrusion molding dies
CN109351799A (en) * 2018-10-22 2019-02-19 南京理工大学 A kind of mold for extruding and forming of minor diameter thin wall depth blind bored member
CN110303111A (en) * 2019-07-10 2019-10-08 安徽安簧机械股份有限公司 A kind of liftout attachment suitable for steel piston automation closed-die forging
CN111975291A (en) * 2020-07-24 2020-11-24 重庆文理学院 Near-net forging forming method for precision forging of aluminum alloy special-shaped shell
CN114013096A (en) * 2021-11-09 2022-02-08 河南中南工业有限责任公司 A die set that is used for casing powder pressure equipment of dysmorphism blind hole

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105665596A (en) * 2016-03-30 2016-06-15 江苏威鹰机械有限公司 Manufacturing process for propelling sleeve of parking gear pawl of new energy car
CN107755446A (en) * 2017-09-25 2018-03-06 中北大学 A kind of processing technology of raising DT4C pure iron magnetic behaviors
CN108655271A (en) * 2018-06-25 2018-10-16 江苏科思朗科技有限公司 A kind of high-precision extrusion molding dies
CN109351799A (en) * 2018-10-22 2019-02-19 南京理工大学 A kind of mold for extruding and forming of minor diameter thin wall depth blind bored member
CN109351799B (en) * 2018-10-22 2019-10-18 南京理工大学 A kind of mold for extruding and forming of minor diameter thin wall depth blind bored member
CN110303111A (en) * 2019-07-10 2019-10-08 安徽安簧机械股份有限公司 A kind of liftout attachment suitable for steel piston automation closed-die forging
CN111975291A (en) * 2020-07-24 2020-11-24 重庆文理学院 Near-net forging forming method for precision forging of aluminum alloy special-shaped shell
CN114013096A (en) * 2021-11-09 2022-02-08 河南中南工业有限责任公司 A die set that is used for casing powder pressure equipment of dysmorphism blind hole

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Granted publication date: 20160120

Termination date: 20160826