CN103920733B - Positioner is squeezed in cup-shaped bottom outlet part footpath - Google Patents

Positioner is squeezed in cup-shaped bottom outlet part footpath Download PDF

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Publication number
CN103920733B
CN103920733B CN201410102004.0A CN201410102004A CN103920733B CN 103920733 B CN103920733 B CN 103920733B CN 201410102004 A CN201410102004 A CN 201410102004A CN 103920733 B CN103920733 B CN 103920733B
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CN
China
Prior art keywords
die
template
core
outlet
wedge mould
Prior art date
Application number
CN201410102004.0A
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Chinese (zh)
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CN103920733A (en
Inventor
何文定
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何文定
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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

Positioner is squeezed in the present invention cup-shaped bottom outlet part footpath, belongs to Sheet Metal Forming Technology extrusion technique field;Technical problem to be solved there is provided a kind of simple for process, accurate positioning reliable, positioner is squeezed in the protection indeformable cup-shaped bottom outlet part footpath of part;The technical scheme solving the employing of this technical problem is: positioner is squeezed in cup-shaped bottom outlet part footpath, including part of the upper die and part of the lower die, part of the upper die is coaxially disposed with part of the lower die, between part of the upper die and part of the lower die, coupling is provided with part, the structure of part of the upper die is: include backing plate, flexible die, bung flange and die shank, the structure of part of the lower die is: include wedge mould, pressing plate, spring, swivel nut, template, screw, core, the upper surface of template is provided with expansion platform hole, wedge mould upper end is the opening of inverted trapezoidal, and lower end is for expanding platform;The composite can be widely applied to Sheet Metal Forming Technology extrusion technique field.

Description

Positioner is squeezed in cup-shaped bottom outlet part footpath
Technical field
Positioner is squeezed in the present invention cup-shaped bottom outlet part footpath, belongs to Sheet Metal Forming Technology extrusion technique field.
Background technology
Cup-shaped bottom outlet part radial extruding die of the prior art includes flexible die, tapered cup nut, die holder, core and handle composition.Described flexible die is coaxial with die holder and is set in die holder respective aperture, described tapered cup nut radially couples with handle threads, bellmouth is coaxial to flexible die and the corresponding conical surface of flexible die touches, and radially squeezes groove female mold part with die holder thread connection composition, and core is convex portions.Before extruding, part cover for seat is in core one end, the core of part will be cased with insert in flexible die and part bottom surface and touch with flexible die locating surface, in extrusion process, feature bottom upper surface is restricted by flexible die, feature bottom corresponding growth space the most upwards, causes feature bottom to deform.
Summary of the invention
Instant invention overcomes the deficiency that prior art exists, it is provided that one is simple for process, accurate positioning reliable, positioner is squeezed in the protection indeformable cup-shaped bottom outlet part footpath of part.
nullIn order to solve above-mentioned technical problem,The technical solution used in the present invention is: positioner is squeezed in cup-shaped bottom outlet part footpath,Including part of the upper die and part of the lower die,Described part of the upper die is coaxially disposed with part of the lower die,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: include backing plate、Flexible die、Bung flange and die shank,Described flexible die be top be connected expansion platform、Bottom is the elastomer of pore area muscle in three lobes,The top of described flexible die is provided with backing plate,The bottom of described die shank arranges porose,Described flexible die top to expand the hole bottom platform and backing plate and die shank coaxial and with in interference fits loading shank hole,It is outer and with die shank thread connection flexible die is expanded platform and backing plate is anchored on die shank that described bung flange is placed on flexible die;
nullThe structure of described part of the lower die is: include wedge mould、Pressing plate、Spring、Swivel nut、Template、Screw、Core,The upper surface of described template is provided with expansion platform hole,Described wedge mould upper end is the opening of inverted trapezoidal,Lower end is for expanding platform,Described wedge mould is arranged on the upper surface of described template,The platform that expands 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,Wedge mould is fastened with template thread connection by described screw through pressing plate respective aperture,Described core is placed in wherein through the hole in the middle of template and wedge mould respectively,Described core upper end is the position portion as part bottom outlet,The position portion 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 upper end of described spring and the lower end in contact of core,Described swivel nut and template are coaxially disposed and are 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 present invention compared with prior art has the beneficial effect that part is enclosed within core by the present invention, part bottom outlet is enclosed within outside core position portion, slide block down, working hole upper surface, flexible die bottom contact core position portion upper surface also promotes part and core to overcome the resistance of spring to move downward, descending along with slide block, the flexible die conical surface touches with the wedge mould conical surface, its three petal is along being restricted by the wedge mould conical surface and overcoming the elastic resistance work radially axis direction of self to move, make the successively contact part of the muscle on the lobe of flexible die hole three and make respective material shift part radially local compression, and cause feature bottom freely to increase, along with the flexible die hole three lobe inwall that continues traveling downwardly of slide block all contacts part, slide block arrives bottom dead centre, radial compression completes.Move upward along with flexible die during backhaul, part and core rise under the action of the spring, under the elastic reaction of self, big oral area spreading is become with the wedge mould conical surface along with rising flexible die, part is deviate from from the flexible die of spreading, slide block, to top dead-centre, takes out part from core, and whole operation completes, the feature bottom deformation of present invention location reduces, and closes yields eventually and improves.Design principle of the present invention is simple, compact conformation, and good manufacturability is easy to operate, steady quality.
Accompanying drawing explanation
The present invention is described further below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention.
In figure, 1 be backing plate, 2 be flexible die, 3 be part, 4 be wedge mould, 5 be pressing plate, 6 be spring, 7 be swivel nut, 8 be template, 9 be screw, 10 be core, 11 be bung flange, 12 for die shank.
Detailed description of the invention
nullAs shown in Figure 1,Positioner is squeezed in the present invention cup-shaped bottom outlet part footpath,Including part of the upper die and part of the lower die,Described part of the upper die is coaxially disposed with part of the lower die,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: include backing plate 1、Flexible die 2、Bung flange 11 and die shank 12,Described flexible die 2 be top be connected expansion platform、Bottom is the elastomer of pore area muscle in three lobes,The top of described flexible die 2 is provided with backing plate 1,The bottom of described die shank 12 arranges porose,Described flexible die 2 top to expand the hole bottom platform and backing plate 1 and die shank 12 coaxial and with in interference fits loading die shank 12 hole,It is outer and with die shank 12 thread connection flexible die 2 is expanded platform and backing plate 1 is anchored on die shank 12 that described bung flange 11 is placed on flexible die 2;
nullThe structure of described part of the lower die is: include 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 expansion platform hole,Described wedge mould 4 upper end is the opening of inverted trapezoidal,Lower end is for expanding platform,Described wedge mould 4 is arranged on the upper surface of described template 8,The platform that expands 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,Wedge mould 4 is fastened with template 8 thread connection by described screw 9 through pressing plate 5 respective aperture,Described core 10 is placed in wherein through the hole in the middle of template 8 and wedge mould 4 respectively,Described core 10 upper end is the position portion as part 3 bottom outlet,The position portion of described part 3 bottom outlet coaxially mates setting with core 10,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 upper end of described spring 6 and the lower end in contact of core 10,Described swivel nut 7 is coaxially disposed with template 8 and is 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 work process of the present invention: flexible die 2 is that to expand the platform bottom that is connected be the elastomer of pore area muscle in three lobes on top, platform is expanded on its top and backing plate 1 is coaxial with die shank 12 respective aperture and with in interference fits loading die shank 12 hole and backing plate 1 is upper.It is outer and with die shank 12 thread connection flexible die 2 is expanded platform and backing plate 1 is anchored on die shank 12 and forms part of the upper die that bung flange 11 is placed on flexible die 2.Wedge mould 4 expands that platform expansion corresponding to template 8 platform hole is coaxial, and disposed within interference fits, pressing plate 5 extends out on platform at wedge mould 4, and screw 9 passes through pressing plate 5 respective aperture and fastened by wedge mould 4 with template 8 thread connection.Core 10 upper end is the position portion of part 3 bottom outlet, position portion is coaxial with core, diameter is dynamic with part 3 bottom outlet to be coordinated, highly more than axial increment during part 3 bottom squeeze, core 10 is placed in one through template 8 and wedge mould 4 hole respectively, spring 6 expands under platform among swivel nut 7 at wedge mould 4, and spring 6 is coaxially compressed composition part of the lower die with thread connection in template 8 by swivel nut 7.Part of the upper die and part of the lower die are coaxially formed cup-shaped bottom outlet part footpath and squeezes positioner and mould.
Utilizing and axially the core 10 of displacement and top position portion part 3 base apertures can be made radially to be restricted in motion and extrusion process, part 3 makees axial free movement with increment bottom it in extrusion process, decreases the corresponding deformation bottom part 3.Adjust the respective closed height of lathe, part 3 extrusion shapes radially can be controlled.
The operation principle of the present invention: part 3 is enclosed within core 10, part 3 bottom outlet is enclosed within outside core 10 position portion, slide block down, working hole upper surface, flexible die 2 bottom contact core 10 position portion upper surface also promotes part 3 and core 10 to overcome the resistance of spring 6 to move downward, descending along with slide block, flexible die 2 conical surface touches with wedge mould 4 conical surface, its three petal is along being restricted by wedge mould 4 conical surface and overcoming the elastic resistance work radially axis direction of self to move, make the successively contact part 3 of the muscle on the lobe of flexible die 2 hole three and make respective material shift part 3 radially local compression, and cause feature bottom freely to increase, along with the flexible die 2 hole three lobe inwall that continues traveling downwardly of slide block all contacts part 3, slide block arrives bottom dead centre, radial compression completes.
Move upward along with flexible die 2 during backhaul, part 3 and core 4 rise under the effect of spring 6, under the elastic reaction of self, big oral area spreading is become with wedge mould 4 conical surface along with rising flexible die 2, part 3 is deviate from from the flexible die 2 of spreading, slide block is to top dead-centre, taking out part 3 from core 4, whole operation completes.
Above in conjunction with accompanying drawing, embodiments of the invention are explained in detail, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to various changes can be made on the premise of without departing from present inventive concept.

Claims (2)

  1. nullPositioner is squeezed in the most cup-shaped bottom outlet part footpath,Including part of the upper die and part of the lower die,Described part of the upper die is coaxially disposed with part of the lower die,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: include backing plate (1)、Flexible die (2)、Bung flange (11) and die shank (12),Described flexible die (2) be top be connected expansion platform、Bottom is the elastomer of pore area muscle in three lobes,The top of described flexible die (2) is provided with backing plate (1),The bottom of described die shank (12) arranges porose,The expansion platform on described flexible die (2) top and backing plate (1) are coaxial with the hole of die shank (12) bottom and with in interference fits loading die shank (12) hole and backing plate (1) is upper,Described bung flange (11) is placed on flexible die (2) and outward and flexible die (2) expansion platform and backing plate (1) is anchored on die shank (12) with die shank (12) thread connection;
    nullThe structure of described part of the lower die is: include 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 expansion platform hole,Described wedge mould (4) upper end is the opening of 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),Wedge mould (4) is fastened with template (8) thread connection by described screw (9) through pressing plate (5) respective aperture,Described core (10) is placed in wherein through the hole in the middle of template (8) and wedge mould (4) respectively,Described core (10) upper end is the position portion as part (3) bottom outlet,The position portion of described part (3) bottom outlet coaxially mates setting with core (10),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 upper end of described spring (6) and the lower end in contact of core (10),Described swivel nut (7) and template (8) are coaxially disposed and are fastened in template (8) with threaded connection mode,Spring (6) is pressed on core (10).
  2. Positioner is squeezed in cup-shaped bottom outlet part footpath the most according to claim 1, it is characterised 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)

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

Related Child Applications (1)

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CN201610914349.5A Division CN106424182B (en) 2014-03-19 2014-03-19 Localization method is squeezed in a kind of cupulate bottom outlet part footpath

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CN103920733A CN103920733A (en) 2014-07-16
CN103920733B true CN103920733B (en) 2017-01-04

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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

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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
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
CN104858309B (en) * 2015-05-28 2017-05-17 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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CN203751020U (en) * 2014-03-19 2014-08-06 长治市丰雨机械有限公司 Radial extrusion positioning device for cup-shaped bottom hole part

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CN101972792A (en) * 2010-10-22 2011-02-16 南京迪威尔重型锻造股份有限公司 Hot reverse-extrusion forming mold for large cup shell
CN102284663A (en) * 2011-06-09 2011-12-21 无锡东海锻造有限公司 Precision forging process and die for flange
CN102500633A (en) * 2011-09-28 2012-06-20 中国兵器工业第五九研究所 Method for forming cup-shaped component with gear
CN103537500A (en) * 2013-10-24 2014-01-29 河南科技大学 Extrusion and molding method for cup-shaped part and special extrusion die
CN203751020U (en) * 2014-03-19 2014-08-06 长治市丰雨机械有限公司 Radial extrusion positioning device for cup-shaped bottom hole part

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Publication number Publication date
CN106424182A (en) 2017-02-22
CN103920733A (en) 2014-07-16
CN106424182B (en) 2018-05-01

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