CN103920733A - Cup-shaped bottom hole part radial extrusion positioning apparatus - Google Patents

Cup-shaped bottom hole part radial extrusion positioning apparatus Download PDF

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Publication number
CN103920733A
CN103920733A CN201410102004.0A CN201410102004A CN103920733A CN 103920733 A CN103920733 A CN 103920733A CN 201410102004 A CN201410102004 A CN 201410102004A CN 103920733 A CN103920733 A CN 103920733A
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CN
China
Prior art keywords
die
template
hole
core
mold
Prior art date
Application number
CN201410102004.0A
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Chinese (zh)
Other versions
CN103920733B (en
Inventor
李春庄
卫保忠
牛福忙
胡强
郭建红
Original Assignee
长治市丰雨机械有限公司
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 长治市丰雨机械有限公司 filed Critical 长治市丰雨机械有限公司
Priority to CN201410102004.0A priority Critical patent/CN103920733B/en
Publication of CN103920733A publication Critical patent/CN103920733A/en
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Publication of CN103920733B publication Critical patent/CN103920733B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00Extruding metal; Impact extrusion
    • B21C23/02Making uncoated products
    • B21C23/18Making uncoated products by impact extrusion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C25/00Profiling tools for metal extruding
    • B21C25/08Dies or mandrels with section variable during extruding, e.g. for making tapered work; Controlling variation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21CMANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C35/00Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
    • B21C35/02Removing or drawing-off work

Abstract

The invention relates to a cup-shaped bottom hole part radial extrusion positioning apparatus, and belongs to the technical field of stamping process extrusion. The technical problem solved by the present invention is to provide a cup-shaped bottom hole part radial extrusion positioning apparatus with characteristics of simple and easy performing process, accurate and reliable positioning, and protection of part from deformation. The technical scheme for solving the technical problem comprises that: the cup-shaped bottom hole part radial extrusion positioning apparatus comprises an upper mold portion and a lower mold portion, the upper mold portion is coaxially arranged on the lower mold portion, a part is arranged between the upper mold portion and the lower mold portion in a matching manner, the upper mold portion structure comprises a pad plate, an elastic concave mold, a screw ring and a mold handle, the lower mold portion structure comprises a wedge mold, a pressing plate, a spring, a screw sleeve, a template, a bolt and a core mold, the upper surface of the template is provided with an expanding table hole, the upper end of the wedge mold is an inverted trapezoidal opening, and the lower end is an expanding table. The cup-shaped bottom hole part radial extrusion positioning apparatus can be widely applied in the technical field of stamping process extrusion.

Description

Positioner is squeezed in cup-shaped bottom outlet part footpath
Technical field
Positioner is squeezed in the cup-shaped bottom outlet part of the present invention footpath, belongs to Sheet Metal Forming Technology extrusion technique field.
Background technology
Cup-shaped bottom outlet part radial extruding die of the prior art comprises that elasticity die, tapered cup nut, die holder, core and handle form.Described elasticity die is coaxial and be set in die holder respective aperture with die holder, described tapered cup nut radially with handle thread connection, bellmouth touches mutually with the coaxial also corresponding conical surface of elasticity die of elasticity die, and forms and radially squeeze geosynclinal concave mould part with die holder thread connection, and core is punch part.Before extruding, part cover for seat is in core one end, have the core of part to insert in elasticity die in cover and part bottom surface tactile mutually with elasticity die locating surface, in extrusion process, part upper base surface is restricted by elasticity die, and the corresponding growth space that part bottom does not make progress, causes part deformation of bottom.
Summary of the invention
The present invention has overcome the deficiency that prior art exists, provide a kind of simple for process, accurate positioning reliable, positioner is squeezed in the protection indeformable cup-shaped bottom outlet part of part footpath.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: positioner is squeezed in cup-shaped bottom outlet part footpath, comprise part of the upper die and part of the lower die, described part of the upper die is arranged on part of the lower die and coaxially arranges, described part of the upper die is arranged on the top of part of the lower die, between described part of the upper die and part of the lower die, coupling is provided with part, the structure of described part of the upper die is: comprise backing plate, elasticity die, bung flange and die shank, described elasticity die is that top is the expansion platform being connected, bottom is the elastomer of pore area muscle in three lobes, the top of described elasticity die is provided with backing plate, the bottom of described die shank arranges porose, the hole of the expansion platform on described elasticity die top and backing plate and die shank bottom is coaxial and pack in shank hole with interference fits, described bung flange is placed on outside elasticity die and with die shank thread connection elasticity die expansion platform and backing plate is anchored on die shank,
The structure of described part of the lower die is: comprise wedge mould, pressing plate, spring, swivel nut, template, screw, core, the upper surface of described template is provided with and expands platform hole, the opening that described wedge mould upper end is inverted trapezoidal, lower end is for expanding platform, described wedge mould is arranged on the upper surface of described template, the expansion platform of described wedge mould coaxially mates setting with the expansion platform hole of template, described pressing plate is arranged on the expansion platform outer upper ends of wedge mould, described screw is fastening by wedge mould through pressing plate respective aperture and template thread connection, described core sees through respectively the hole in the middle of template and wedge mould and is placed in one, described core upper end is the localization part as part bottom outlet, the localization part of described part bottom outlet coaxially mates setting with core, described spring is vertically arranged in swivel nut, the lower end of described spring is arranged on the bottom of swivel nut, the lower end in contact of the upper end of described spring and core, described swivel nut is with the coaxial setting of template and be fastened in template with threaded connection mode, by spring compression on core.
Described wedge mould expands the expansion platform hole interference fits of platform and template.
The beneficial effect that the present invention compared with prior art has is: the present invention is enclosed within core by part, part bottom outlet is enclosed within outside core localization part, slide block down, contact core localization part upper surface in working hole upper surface, elasticity die bottom also promotes part and resistance that core overcomes spring moves downward, descending along with slide block, the elasticity die conical surface touches mutually with the wedge mould conical surface, its three lobes mould is made radially axis direction along the elastic resistance that restricted by the wedge mould conical surface and to overcome self and is moved, make the muscle priority contact part on elasticity die hole three lobes and to radially local extruding of part, respective material shifted, and cause part bottom freely to increase, the whole contact parts of the descending elasticity die hole three lobe inwall of continuation along with slide block, slide block arrives bottom dead centre, radial compression completes.During backhaul along with elasticity die moves upward, part and core rise under the effect of spring, along with rising elasticity die becomes large oral area spreading with the wedge mould conical surface under the elastic reaction of self, part is deviate from from the elasticity die of spreading, slide block, to top dead-centre, takes out part from core, and whole operation completes, the part deformation of bottom of the present invention location reduces, and closes eventually yields and improves.Design principle of the present invention is simple, compact conformation, and good manufacturability, easy to operate, steady quality.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further.
Fig. 1 is structural representation of the present invention.
In figure, 1 is that backing plate, 2 is that elasticity die, 3 is that part, 4 is that wedge mould, 5 is that pressing plate, 6 is that spring, 7 is that swivel nut, 8 is that template, 9 is that screw, 10 is that core, 11 is that bung flange, 12 is die shank.
The specific embodiment
As shown in Figure 1, positioner is squeezed in the cup-shaped bottom outlet part of the present invention footpath, comprise part of the upper die and part of the lower die, described part of the upper die is arranged on part of the lower die and coaxially arranges, described part of the upper die is arranged on the top of part of the lower die, between described part of the upper die and part of the lower die, coupling is provided with part 3, the structure of described part of the upper die is: comprise backing plate 1, elasticity die 2, bung flange 11 and die shank 12, described elasticity die 2 is that top is the expansion platform being connected, bottom is the elastomer of pore area muscle in three lobes, the top of described elasticity die 2 is provided with backing plate 1, the bottom of described die shank 12 arranges porose, the hole of the expansion platform on described elasticity die 2 tops and backing plate 1 and die shank 12 bottoms is coaxial and pack in die shank 12 holes with interference fits, described bung flange 11 is placed on outside elasticity die 2 and with die shank 12 thread connection elasticity die 2 expansion platforms and backing plate 1 is anchored on die shank 12,
The structure of described part of the lower die is: comprise wedge mould 4, pressing plate 5, spring 6, swivel nut 7, template 8, screw 9, core 10, the upper surface of described template 8 is provided with and expands platform hole, the opening that described wedge mould 4 upper ends are inverted trapezoidal, lower end is for expanding platform, described wedge mould 4 is arranged on the upper surface of described template 8, the expansion platform of described wedge mould 4 coaxially mates setting with the expansion platform hole of template 8, described pressing plate 5 is arranged on the expansion platform outer upper ends of wedge mould 4, described screw 9 is fastening by wedge mould 4 through pressing plate 5 respective aperture and template 8 thread connection, described core 10 sees through respectively the hole in the middle of template 8 and wedge mould 4 and is placed in one, described core 10 upper ends are the localization parts as part 3 bottom outlets, the localization part of described part 3 bottom outlets and core 10 be coaxial mates setting, described spring 6 is vertically arranged in swivel nut 7, the lower end of described spring 6 is arranged on the bottom of swivel nut 7, the lower end in contact of the upper end of described spring 6 and core 10, described swivel nut 7 is with the coaxial setting of template 8 and be fastened in template 8 with threaded connection mode, spring 6 is pressed on core 10.
Described wedge mould 4 expands the expansion platform hole interference fits of platform and template 8.
The course of work of the present invention: elasticity die 2 is that to expand the platform bottom that is connected be the elastomer of pore area muscle in three lobes on top, its top expand platform and backing plate 1 with die shank 12 respective aperture coaxial and with interference fits pack in die shank 12 holes and backing plate 1 upper.Bung flange 11 is placed on outside elasticity die 2 and with die shank 12 thread connection elasticity die 2 expansion platforms and backing plate 1 is anchored on to die shank 12 composition parts of the upper die.It is coaxial that wedge mould 4 expands platform expansion platform corresponding to template 8 hole, with interference fits, puts in the inner, and pressing plate 5 expands on platform outside wedge mould 4, and screw 9 is fastening by wedge mould 4 through pressing plate 5 respective aperture and template 8 thread connection.Core 10 upper ends are localization parts of part 3 bottom outlets, localization part is coaxial with core, diameter coordinates with part 3 bottom outlets are moving, axial growth amount while being highly greater than part 3 bottom squeeze, core 10 sees through respectively template 8 and wedge mould 4 holes and is placed in one, spring 6 is under wedge mould 4 expansion platforms among swivel nut 7, and swivel nut 7 coaxially compresses spring 6 to form parts of the lower die with thread connection in template 8.Positioner and mould are squeezed in part of the upper die and the part of the lower die cup-shaped bottom outlet part of coaxial composition footpath.
Utilize axially can displacement core 10 and top localization part part 3 base apertures are radially restricted in motion and extrusion process, part 3 is made axial free movement with increment bottom it in extrusion process, has reduced the corresponding deformation of part 3 bottoms.Adjust the respective closed height of lathe, controlled workpieces 3 extrusion shapes radially.
Operation principle of the present invention: part 3 is enclosed within to core 10, part 3 bottom outlets are enclosed within outside core 10 localization parts, slide block down, elasticity die 2 working hole upper surfaces, bottom contacts core 10 localization part upper surfaces also promote part 3 and resistance that core 10 overcomes spring 6 moves downward, descending along with slide block, elasticity die 2 conical surfaces touch mutually with wedge mould 4 conical surfaces, its three lobes mould is made radially axis direction along the elastic resistance that restricted by wedge mould 4 conical surfaces and to overcome self and is moved, make the muscle priority contact part 3 on elasticity die 2 hole three lobes and to radially local extruding of part 3, respective material shifted, and cause part bottom freely to increase, the whole contact parts 3 of the descending elasticity die 2 hole three lobe inwall of continuation along with slide block, slide block arrives bottom dead centre, radial compression completes.
During backhaul along with elasticity die 2 moves upward, part 3 and core 4 rise under the effect of spring 6, along with rising elasticity die 2 becomes large oral area spreading with wedge mould 4 conical surfaces under the elastic reaction of self, part 3 is deviate from from the elasticity die 2 of spreading, slide block is to top dead-centre, from core 4, take out part 3, whole operation completes.
By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken possessing those of ordinary skills, can also under the prerequisite that does not depart from aim of the present invention, makes various variations.

Claims (2)

1. positioner is squeezed in cup-shaped bottom outlet part footpath, comprise part of the upper die and part of the lower die, described part of the upper die is arranged on part of the lower die and coaxially arranges, described part of the upper die is arranged on the top of part of the lower die, between described part of the upper die and part of the lower die, coupling is provided with part (3), it is characterized in that, the structure of described part of the upper die is: comprise backing plate (1), elasticity die (2), bung flange (11) and die shank (12), described elasticity die (2) is that top is the expansion platform being connected, bottom is the elastomer of pore area muscle in three lobes, the top of described elasticity die (2) is provided with backing plate (1), the bottom of described die shank (12) arranges porose, the hole of the expansion platform on described elasticity die (2) top and backing plate (1) and die shank (12) bottom is coaxial and pack in die shank (12) hole with interference fits, described bung flange (11) is placed on outside elasticity die (2) and with die shank (12) thread connection elasticity die (2) expansion platform and backing plate (1) is anchored on die shank (12),
The structure of described part of the lower die is: comprise wedge mould (4), pressing plate (5), spring (6), swivel nut (7), template (8), screw (9), core (10), the upper surface of described template (8) is provided with and expands platform hole, the opening that described wedge mould (4) upper end is inverted trapezoidal, lower end is for expanding platform, described wedge mould (4) is arranged on the upper surface of described template (8), the expansion platform of described wedge mould (4) coaxially mates setting with the expansion platform hole of template (8), described pressing plate (5) is arranged on the expansion platform outer upper ends of wedge mould (4), described screw (9) is fastening by wedge mould (4) through pressing plate (5) respective aperture and template (8) thread connection, described core (10) sees through respectively the hole in the middle of template (8) and wedge mould (4) and is placed in one, described core (10) upper end is the localization part as part (3) bottom outlet, the localization part of described part (3) bottom outlet and core (10) be coaxial mates setting, described spring (6) is vertically arranged in swivel nut (7), the lower end of described spring (6) is arranged on the bottom of swivel nut (7), the lower end in contact of the upper end of described spring (6) and core (10), described swivel nut (7) coaxially arranges and is fastened in template (8) with threaded connection mode with template (8), spring (6) is pressed on core (10).
2. positioner is squeezed in cup-shaped bottom outlet part according to claim 1 footpath, it is characterized in that, described wedge mould (4) expands the expansion platform hole interference fits of platform and template (8).
CN201410102004.0A 2014-03-19 2014-03-19 Positioner is squeezed in cup-shaped bottom outlet part footpath CN103920733B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410102004.0A CN103920733B (en) 2014-03-19 2014-03-19 Positioner is squeezed in cup-shaped bottom outlet part footpath

Applications Claiming Priority (2)

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CN201610914349.5A CN106424182B (en) 2014-03-19 2014-03-19 Localization method is squeezed in a kind of cupulate bottom outlet part footpath
CN201410102004.0A CN103920733B (en) 2014-03-19 2014-03-19 Positioner is squeezed in cup-shaped bottom outlet part footpath

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CN103920733B CN103920733B (en) 2017-01-04

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CN104785624A (en) * 2015-03-19 2015-07-22 常熟市杜尼电子有限责任公司 Mold for ultrasonic generator micro speakers
CN104826885A (en) * 2015-05-28 2015-08-12 成都宏明双新科技股份有限公司 Machining method for radial forming of thin-wall pipes
CN104858309A (en) * 2015-05-28 2015-08-26 成都宏明双新科技股份有限公司 Radial forming bothway die feeding machining system for thin-walled tubes

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Publication number Priority date Publication date Assignee Title
CN104785624A (en) * 2015-03-19 2015-07-22 常熟市杜尼电子有限责任公司 Mold for ultrasonic generator micro speakers
CN104826885A (en) * 2015-05-28 2015-08-12 成都宏明双新科技股份有限公司 Machining method for radial forming of thin-wall pipes
CN104858309A (en) * 2015-05-28 2015-08-26 成都宏明双新科技股份有限公司 Radial forming bothway die feeding machining system for thin-walled tubes
CN104826885B (en) * 2015-05-28 2017-05-31 成都宏明双新科技股份有限公司 The processing method that a kind of light-wall pipe is radially molded

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Publication number Publication date
CN103920733B (en) 2017-01-04
CN106424182B (en) 2018-05-01
CN106424182A (en) 2017-02-22

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