CN203751020U - Radial extrusion positioning device for cup-shaped bottom hole part - Google Patents
Radial extrusion positioning device for cup-shaped bottom hole part Download PDFInfo
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- CN203751020U CN203751020U CN201420124341.5U CN201420124341U CN203751020U CN 203751020 U CN203751020 U CN 203751020U CN 201420124341 U CN201420124341 U CN 201420124341U CN 203751020 U CN203751020 U CN 203751020U
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Abstract
The utility model discloses a radial extrusion positioning device for a cup-shaped bottom hole part and belongs to the technical field of extrusion in stamping processes. According to the technical problem to be solved, the utility model provides a radial extrusion positioning device for the cup-shaped bottom hole part, which is simple and feasible in process and accurate and reliable in positioning and is capable of protecting the parts from deforming. By adoption of the technical scheme for solving the technical problem, the radial extrusion positioning device comprises an upper mold part and a lower mold part, wherein the upper mold part is coaxial with the lower mold part; parts are matched between the upper mold part and the lower mold part; the upper mold part structurally comprises a base plate, an elastic concave mold, a coil and mold handle; the lower mold part structurally comprises a wedge mold, a pressing plate, a spring, a nut, a template, a screw and a core mold; an expanding hole is formed in the upper surface of the template; an inverted trapezoidal opening is formed in the upper end of the wedge mold, and an expanded table is formed in the lower end of the wedge mold. The device can be widely applied to the technical field of extrusion in the stamping process.
Description
Technical field
Positioner is squeezed in a kind of cup-shaped bottom outlet part of the utility model 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 elasticity die, tapered cup nut, die holder, core and handle composition.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 radially squeezes geosynclinal concave mould part with die holder thread connection composition, 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 part bottom does not have corresponding growth space upwards, causes part deformation of bottom.
Utility model content
The utility model 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 adopted in the utility model is: positioner is squeezed in a kind of 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 sees through pressing plate respective aperture and template thread connection by fastening wedge mould, 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 utility model compared with prior art has is: part is enclosed within core by the utility model, 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, along with the whole contact parts of the descending elasticity die hole three lobe inwall of continuation of slide block, slide block arrives bottom dead centre, radial compression completes.When 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 utility model location reduces, and closes eventually yields and improves.The utility model design principle is simple, compact conformation, and good manufacturability, easy to operate, steady quality.
Brief description of the drawings
Below in conjunction with accompanying drawing, the utility model is described further.
Fig. 1 is structural representation of the present utility model.
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.
Detailed description of the invention
As shown in Figure 1, positioner is squeezed in a kind of cup-shaped bottom outlet part of the utility model 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, it is outer and with die shank 12 thread connection, elasticity die 2 is expanded to platform and backing plate 1 is anchored on die shank 12 that described bung flange 11 is placed on elasticity die 2,
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 sees through pressing plate 5 respective aperture and template 8 thread connection by fastening wedge mould 4, 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 utility model: 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.It is outer and with die shank 12 thread connection, elasticity die 2 is expanded to platform and backing plate 1 and be anchored on die shank 12 and form part of the upper die that bung flange 11 is placed on elasticity die 2.It is coaxial that wedge mould 4 expands platform expansion platform corresponding to template 8 hole, puts in the inner with interference fits, and pressing plate 5 expands on platform outside wedge mould 4, and screw 9 sees through pressing plate 5 respective aperture and template 8 thread connection by fastening wedge mould 4.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 expands under platform among swivel nut 7 at wedge mould 4, and swivel nut 7 coaxially compresses composition part of the lower die with thread connection by spring 6 in template 8.Positioner and mould are squeezed in the cup-shaped bottom outlet part of coaxial to part of the upper die and part of the lower die 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 utility model: 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, along with the whole contact parts 3 of the descending elasticity die 2 hole three lobe inwall of continuation of slide block, slide block arrives bottom dead centre, radial compression completes.
When 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, take out part 3 from core 4, whole operation completes.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken possessing those of ordinary skill in the art, can also under the prerequisite that does not depart from the utility model aim, make various variations.
Claims (2)
1. positioner is squeezed in a 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) sees through pressing plate (5) respective aperture and template (8) thread connection by fastening wedge mould (4), 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 the cup-shaped bottom outlet part of one 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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124341.5U CN203751020U (en) | 2014-03-19 | 2014-03-19 | Radial extrusion positioning device for cup-shaped bottom hole part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420124341.5U CN203751020U (en) | 2014-03-19 | 2014-03-19 | Radial extrusion positioning device for cup-shaped bottom hole part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203751020U true CN203751020U (en) | 2014-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420124341.5U Expired - Fee Related CN203751020U (en) | 2014-03-19 | 2014-03-19 | Radial extrusion positioning device for cup-shaped bottom hole part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203751020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920733A (en) * | 2014-03-19 | 2014-07-16 | 长治市丰雨机械有限公司 | Cup-shaped bottom hole part radial extrusion positioning apparatus |
-
2014
- 2014-03-19 CN CN201420124341.5U patent/CN203751020U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920733A (en) * | 2014-03-19 | 2014-07-16 | 长治市丰雨机械有限公司 | Cup-shaped bottom hole part radial extrusion positioning apparatus |
| CN103920733B (en) * | 2014-03-19 | 2017-01-04 | 何文定 | Positioner is squeezed in cup-shaped bottom outlet part footpath |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20160319 |