CN103920802A - Radial deep groove extrusion die - Google Patents
Radial deep groove extrusion die Download PDFInfo
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- CN103920802A CN103920802A CN201410101996.5A CN201410101996A CN103920802A CN 103920802 A CN103920802 A CN 103920802A CN 201410101996 A CN201410101996 A CN 201410101996A CN 103920802 A CN103920802 A CN 103920802A
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Abstract
The invention discloses a radial deep groove extrusion die, belongs to the technical field of extrusion of stamping technology, and aims to solve the technical problem by providing the radial deep groove extrusion die simple and easy to implement, accurate in part positioning, less prone to occurrence of part deformation during processing and high in production efficiency and product qualification ratio. The technical scheme includes that the radial deep groove extrusion die comprises an upper die portion and a lower die portion, and the upper die portion is coaxially arranged with the lower die portion; the upper die portion structurally comprises a base plate, an elastic female die, a screw ring and a die shank, the upper portion of the elastic female die is a connected expansion tables, the lower portion of the same is an elastic member with three ribs in inner holes, the base plate is arranged at the top of the elastic female die, and the bottom of the die shank is provided with a hole; the lower die portion structurally comprises a wedge die, a handle, a spring, a barrel, a die plate, a bolt, a pressing plate and a mandrel, and the upper end of the wedge die is provided with an inverted trapezoidal opening. The radial deep groove extrusion die can be widely applied to the technical field of extrusion of the stamping process.
Description
Technical field
The present invention radially squeezes deep trouth mould, belongs to Sheet Metal Forming Technology extrusion technique field, is specifically related to the extrusion die of thin-walled cup-shaped component wall portion.
Background technology
Thin-walled cup-shaped component wall of the prior art portion deep trouth is to utilize circle Vehicle Processing to become, and clamp for machining is by core bar, push rod composition.Core bar is loaded on the main shaft of round car, and push rod is contained on the tailstock of corresponding lathe.Add man-hour with pin head end surface location, part is enclosed within outside core bar, the front end face of tailstock upper ejector pin withstands part bottom surface, uses lathe tool grooving, and production efficiency and comprehensive yields are low.
Another kind is to squeeze groove by radial compression technique, but because distortion is larger, material transfer is relatively many in the time of extruding deep trouth, in extrusion process, part axial growth not only has influence on size, and cause part deformation of bottom, while causing secondary extrusion, the rule mark of radial slot does not overlap.
Summary of the invention
The present invention has overcome the deficiency that prior art exists, provide a kind of simple for process, accurate positioning, product percent of pass high, can in position fixing process, not cause part deformation radially squeeze deep trouth mould.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: radially squeeze deep trouth mould, 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, handle, spring, swivel nut, template, screw, pressing plate and 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, the centre of described core is provided with expansion platform, in the middle of described, expand the upper surface of platform and intersect respectively uniform three convex surfaces and concave surface, the difference of described convex surface and concave surface be part bottom squeeze first fluted shaft to elongation, one end of described handle is handheld terminal, the other end is set to the end of thread, the described end of thread is provided with external screw thread, the end of thread of described handle sees through the groove and the wedge mould that are arranged on pressing plate and connects firmly, 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 wedge mould and be fastened on wedge mould 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 part on core, slide block down, in the middle of three muscle to lower convexity of elasticity die lower end surface contact cores, expand the groove surface of platform upper surfaces and promote the resistance that core overcomes spring and move downward, descending along with slide block, the elasticity die conical surface touches mutually with the wedge mould conical surface, its three lobes conical surface is restricted by the wedge mould conical surface and the elastic resistance that overcomes self is made radially axis direction and moved, make three lobe raised ribs priority contact parts of elasticity die hole and push its wall portion is local, along with the descending parts locally wall thickness of the continuation attenuation of slide block, the whole contact parts of the three lobe inwalls surface of elasticity die hole, slide block arrives bottom dead centre.When backhaul, along with elasticity die moves upward, part and core rise under the effect of spring, along with rising, elasticity die under self flexible effect with the relative displacement of the wedge mould conical surface, oral area spreading, part is deviate from from the elasticity die of spreading, slide block, to top dead-centre, squeezes for the first time deep trouth and completes.Move handle and make the relevant position of wedge mould and core and part change certain angle, three muscle to lower convexity of elasticity die lower surface are overlapped with expansion three convex surface positions of platform in the middle of core.Slide block down, expands the convex surface of platform upper surfaces in the middle of three muscle to lower convexity in elasticity die lower surface contact core and promotes the resistance that core overcomes spring and move downward, and repeats above-mentioned crowded groove process, completes and squeezes for the second time groove.Take out part from core, whole operation completes.The present invention compared with prior art, has realized the thin-walled cup-shaped component rule mark that radially deep trouth pushes and has reached unanimity, and design principle of the present invention is simple, compact conformation, and good manufacturability, easy to operate, steady quality, the comprehensive yields of operating efficiency and part significantly improves.
Brief description of the drawings
Below in conjunction with accompanying drawing, the present invention is described further.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the top view of part of the lower die 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 handle, 6 is that spring, 7 is that swivel nut, 8 is that template, 9 is that screw, 10 is that pressing plate, 11 is that core, 12 is that bung flange, 13 is die shank.
Detailed description of the invention
As Fig. 1, shown in Fig. 2, the present invention includes 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 12 and die shank 13, 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 13 arranges porose, the hole of the expansion platform on described elasticity die 2 tops and backing plate 1 and die shank 13 bottoms is coaxial and pack in die shank 13 holes with interference fits, it is outer and with die shank 13 thread connection, elasticity die 2 is expanded to platform and backing plate 1 is anchored on die shank 13 that described bung flange 12 is placed on elasticity die 2,
The structure of described part of the lower die is: comprise wedge mould 4, handle 5, spring 6, swivel nut 7, template 8, screw 9, pressing plate 10 and core 11, 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 10 is arranged on the expansion platform outer upper ends of wedge mould 4, described screw 9 sees through pressing plate 10 respective aperture and template 8 thread connection by fastening wedge mould 4, described core 11 sees through respectively the hole in the middle of template 8 and wedge mould 4 and is placed in one, described core 11 upper ends are the localization parts as part 3 bottom outlets, the localization part of described part 3 bottom outlets and core 11 be coaxial mates setting, the centre of described core 11 is provided with expansion platform, in the middle of described, expand the upper surface of platform and intersect respectively uniform three convex surfaces and concave surface, the difference of described convex surface and concave surface be part 3 bottoms first squeeze fluted shaft to elongation, one end of described handle 5 is handheld terminal, the other end is set to the end of thread, the described end of thread is provided with external screw thread, the end of thread of described handle 5 sees through the groove and the wedge mould 4 that are arranged on pressing plate 10 and connects firmly, 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 11, described swivel nut 7 is with the coaxial setting of wedge mould 4 and be fastened on wedge mould 4 with threaded connection mode, spring 6 is pressed on core 11.
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 top expansion platform is connected, bottom is three lobes and bottom surface and the endoporus elastomer with raised ribs respectively, its top expand platform and backing plate 1 with die shank 13 respective aperture coaxial and with interference fits insert in die shank 13 holes and backing plate 1 upper, bung flange 12 is placed on elasticity die 2 outward and with die shank 13 thread connection, elasticity die 1 is expanded to platform and the fastening composition of backing plate 1 part of the upper die.Wedge mould 4 expands that platform expansion platform corresponding to template 8 hole is coaxial and put in the inner to move to coordinate, and pressing plate 10 expands on platform outside wedge mould 4, and screw 9 sees through pressing plate 10 respective aperture and template 8 screw threads connect firmly.Screw thread one end of described handle 5 sees through pressing plate 10 grooves and wedge mould 4 connects firmly.In the middle of described core 11, expand platform upper surfaces, be respectively uniform three convex surfaces and concave surface, the difference of its convex surface and concave surface is that the crowded fluted shaft first of part bottom is to elongation; Core 11 is seen through to template 8 and wedge mould 4 holes are placed in one, spring 6 expands under platform among swivel nut 7 at core 11, and swivel nut 7 coaxially compresses composition part of the lower die with thread connection by spring 6 with wedge mould 4, by radially crowded coaxial to part of the upper die and part of the lower die composition deep trouth mould.Utilize lathe slide block active force to make wedge mould 4 apply a radial pressure to elasticity die 2, adjust lathe respective closed height, the degree of depth of controlled workpieces 3 radial slots, move handle 5 and aim at relevant position, can compensate the axial growth amount of the rear part 3 of extruding first, make again the rule mark of extrusion sections 3 radial slots reach unanimity.
Operation principle of the present invention is: part 3 is enclosed within on core 11, slide block down, in the middle of three muscle to lower convexity of elasticity die 2 lower end surface contact cores, expand the groove surface of platform upper surfaces and promote the resistance that core 11 overcomes spring 6 and move downward, descending along with slide block, elasticity die 2 conical surfaces touch mutually with wedge mould 4 conical surfaces, its three lobes conical surface is restricted by wedge mould 4 conical surfaces and the elastic resistance that overcomes self is made radially axis direction and moved, make the three lobe raised ribs priority contact parts 3 in elasticity die 2 holes and push its wall portion is local, along with the descending part 3 local wall thickness attenuation of continuation of slide block, the whole contact parts of three lobe inwalls 3 surfaces in elasticity die 2 holes, slide block arrives bottom dead centre.
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 under self flexible effect with 4 conical surface relative displacements of wedge mould, oral area spreading, part 3 is deviate from from the elasticity die 2 of spreading, and slide block, to top dead-centre, squeezes for the first time deep trouth and completes.
Move handle 5 and make the relevant position of wedge mould 4 and core 11 and part 3 change certain angle, three muscle to lower convexity of elasticity die 2 lower surfaces are overlapped with expansion three convex surface positions of platform in the middle of core 4.Slide block down, expands the convex surface of platform upper surfaces in the middle of three muscle to lower convexity in elasticity die 2 lower surface contact core 11 and promotes the resistance that core 11 overcomes spring 6 and move downward, and repeats above-mentioned crowded groove process, completes and squeezes for the second time groove.Take out part 3 from core 4, 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 skill in the art, can also under the prerequisite that does not depart from aim of the present invention, makes various variations.
Claims (2)
1. radially squeeze deep trouth mould, 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 (12) and die shank (13), 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 (13) arranges porose, the hole of the expansion platform on described elasticity die (2) top and backing plate (1) and die shank (13) bottom is coaxial and pack in die shank (13) hole with interference fits, described bung flange (12) is placed on outside elasticity die (2) and with die shank (13) thread connection elasticity die (2) expansion platform and backing plate (1) is anchored on die shank (13),
The structure of described part of the lower die is: comprise wedge mould (4), handle (5), spring (6), swivel nut (7), template (8), screw (9), pressing plate (10) and core (11), 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 (10) is arranged on the expansion platform outer upper ends of wedge mould (4), described screw (9) sees through pressing plate (10) respective aperture and template (8) thread connection by fastening wedge mould (4), described core (11) sees through respectively the hole in the middle of template (8) and wedge mould (4) and is placed in one, described core (11) upper end is the localization part as part (3) bottom outlet, the localization part of described part (3) bottom outlet and core (11) be coaxial mates setting, the centre of described core (11) is provided with expansion platform, in the middle of described, expand the upper surface of platform and intersect respectively uniform three convex surfaces and concave surface, the difference of described convex surface and concave surface be part (3) bottom squeeze first fluted shaft to elongation, one end of described handle (5) is handheld terminal, the other end is set to the end of thread, the described end of thread is provided with external screw thread, the end of thread of described handle (5) sees through the groove and the wedge mould (4) that are arranged on pressing plate (10) and connects firmly, 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 (11), described swivel nut (7) coaxially arranges and is fastened on wedge mould (4) with threaded connection mode with wedge mould (4), spring (6) is pressed on core (11).
2. the deep trouth mould that radially squeezes according to claim 1, 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 |
|---|---|---|---|
| CN201410101996.5A CN103920802B (en) | 2014-03-19 | 2014-03-19 | Radial crowded deep trouth mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410101996.5A CN103920802B (en) | 2014-03-19 | 2014-03-19 | Radial crowded deep trouth mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103920802A true CN103920802A (en) | 2014-07-16 |
| CN103920802B CN103920802B (en) | 2016-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410101996.5A Active CN103920802B (en) | 2014-03-19 | 2014-03-19 | Radial crowded deep trouth mould |
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| Country | Link |
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| CN (1) | CN103920802B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001137997A (en) * | 1999-11-18 | 2001-05-22 | Sawai Narejji Laboratory:Kk | Method and apparatus for die-forging |
| RU2223160C2 (en) * | 2002-02-13 | 2004-02-10 | Открытое акционерное общество "Новосибирский завод химконцентратов" | Die set for forming dents in tubular part |
| JP2007054840A (en) * | 2005-08-22 | 2007-03-08 | Uk:Kk | Apparatus for forming hollow stepped shaft |
| CN201693013U (en) * | 2010-04-13 | 2011-01-05 | 成都飞机工业（集团）有限责任公司 | Device for automatically extruding union nut to neck |
| CN201884844U (en) * | 2010-12-22 | 2011-06-29 | 重庆渝通机械有限公司 | Compression device of straight pipe joint |
| CN203751144U (en) * | 2014-03-19 | 2014-08-06 | 长治市丰雨机械有限公司 | Radial extrusion deep groove die |
-
2014
- 2014-03-19 CN CN201410101996.5A patent/CN103920802B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001137997A (en) * | 1999-11-18 | 2001-05-22 | Sawai Narejji Laboratory:Kk | Method and apparatus for die-forging |
| RU2223160C2 (en) * | 2002-02-13 | 2004-02-10 | Открытое акционерное общество "Новосибирский завод химконцентратов" | Die set for forming dents in tubular part |
| JP2007054840A (en) * | 2005-08-22 | 2007-03-08 | Uk:Kk | Apparatus for forming hollow stepped shaft |
| CN201693013U (en) * | 2010-04-13 | 2011-01-05 | 成都飞机工业（集团）有限责任公司 | Device for automatically extruding union nut to neck |
| CN201884844U (en) * | 2010-12-22 | 2011-06-29 | 重庆渝通机械有限公司 | Compression device of straight pipe joint |
| CN203751144U (en) * | 2014-03-19 | 2014-08-06 | 长治市丰雨机械有限公司 | Radial extrusion deep groove die |
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| Publication number | Publication date |
|---|---|
| CN103920802B (en) | 2016-01-13 |
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Effective date of registration: 20170707 Address after: 226000 Jiangsu city of Nantong province Tongzhou District new town Bian village twenty groups Patentee after: NANTONG TIANMAO MACHINERY MANUFACTURING CO., LTD. Address before: 046011 machinery industrial zone, middle section of South Outer Ring Road, Shanxi, Changzhi Patentee before: Changzhi Fengyu Machinery Co., Ltd. |