CN106424189A - Concave mold for inner spherical cage cold extrusion - Google Patents
Concave mold for inner spherical cage cold extrusion Download PDFInfo
- Publication number
- CN106424189A CN106424189A CN201610871543.XA CN201610871543A CN106424189A CN 106424189 A CN106424189 A CN 106424189A CN 201610871543 A CN201610871543 A CN 201610871543A CN 106424189 A CN106424189 A CN 106424189A
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- CN
- China
- Prior art keywords
- die
- sleeve
- casing
- cold extrusion
- spherical cage
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- Legal status (The legal status 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 status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
Abstract
The invention relates to a concave mold for inner spherical cage cold extrusion, and solves the defect of easy cracking of a concave mold for cold extrusion in the prior art. In the concave mold for inner spherical cage cold extrusion, a concave mold body is coated with a middle mold sleeve; the middle mold sleeve is coated with an outer mold sleeve; reinforcing ribs are arranged on the middle mold sleeve; the concave mold body and the outer mold sleeve are both provided with matching grooves matched with the reinforcing ribs; the outer mold sleeve is provided with annular ribs; a second rib plate is arranged between the annular ribs and the outer mold sleeve; a fixed ring is arranged on the outer mold sleeve; a first rib plate is arranged between the fixed ring and the outer mold sleeve; in actual use process, the acting force borne by the concave mold body is transferred to the outer mold sleeve by the middle mold sleeve and the reinforcing ribs; the annular ribs are arranged on the outer mold sleeve; the outer mold sleeve and the middle mold sleeve both achieve the effect of protecting the concave mold body; and the concave mold body can bear higher acting force in the use process, and is not easy to crack in use, so that the service life of the concave mold body is prolonged.
Description
Technical field
The present invention relates to cold extrusion mould, more particularly, to a kind of internal spherical cage cold extrusion die.
Background technology
Cold extrusion utilizes a kind of processing technique to component shaping for the mould at normal temperatures.Cold extrusion mould generally comprises
Punch and die, during use, die are directly anchored on workbench, and extruder drives punch motion, to become to workpiece
Type.
In forming process, die can bear larger active force, and in prior art, the structure of die causes die easily to open
Splitting, thus causing die and workpiece damage, improve the manufacturing cost of workpiece.
Content of the invention
A kind of internal spherical cage cold extrusion die that the present invention provides is it is intended to overcome the die of cold extrusion in prior art to hold
Deficiency easy to crack.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of internal spherical cage cold extrusion die, bag
Include die body, outside described die body, be arranged with outer die casing, between described outer die casing and die body, be provided with middle die sleeve, institute
State middle die sleeve to be cylindrical in shape, on the outer wall of described middle die sleeve and inwall, equal integral type is provided with reinforcement, the length of described reinforcement
Degree direction is parallel with the axis direction of middle die sleeve, and described die body and outer die casing are equipped with the cooperation with reinforcement cooperation
Groove, on the outer wall of described outer die casing, integral type is provided with ring-type rib, the axis of described ring-type rib and the axis coaxle of outer die casing,
Described die body is coaxial with middle die sleeve, and described middle die sleeve is coaxial with outer die casing, and the lower end integral type of described outer die casing sets
There is the retainer ring being easy to fixing outer die casing, between described retainer ring and outer die casing, integral type is provided with the first floor, described ring-type muscle
Between bar and outer die casing, integral type is provided with the second floor.
A kind of optional scheme, the shape of cross section of described reinforcement is trapezoidal.Improve the intensity of middle die sleeve, and then
Extend the service life of die body.
A kind of optional scheme, the shape of cross section of described ring-type rib is trapezoidal.Improve the intensity of outer die casing, and then
Extend the service life of outer die casing.
A kind of optional scheme, described intermediate die puts and offers the cavity accommodating die body, the shape of described cavity
For up-small and down-big truncated cone-shaped, described outer die casing offers the positioning chamber that middle die sleeve is positioned, described positioning chamber
It is shaped as up-small and down-big truncated cone-shaped.Die body, middle die sleeve, outer die casing are easy to assemble, and improve the efficiency of assembling of mould,
And then improve the production efficiency of workpiece.
A kind of optional scheme, described reinforcement offers the first chamfering being easy to mating groove assembling, described cooperation
The second chamfering being easy to reinforcement cooperation is offered on groove.First chamfering, the opening up of the second chamfering, further increase mould
Efficiency of assembling.
Compared with prior art, a kind of internal spherical cage cold extrusion die that the present invention provides, has the advantage that：Die is originally
Be arranged with middle die sleeve in vitro, be provided with outer die casing in middle die sleeve overcoat, intermediate die set is provided with reinforcement, die body and
Mating groove with reinforcement cooperation is equipped with outer die casing, ring-type rib, ring-type rib and outer die casing are additionally provided with outer die casing
Between be provided with the second floor, outer die casing is additionally provided with retainer ring, is provided with the first floor between retainer ring and outer die casing；Actual make
With during, the active force that die body bears is transferred to outer die casing through middle die sleeve, reinforcement, and outer die casing is provided with ring-type muscle
Bar, outer die casing and middle die sleeve all play the effect of protection die body, and die body can bear bigger in use
Active force, die body use when be not easily susceptible to cracking, extend the service life of die body；Reinforcement and ring-type rib
Setting substantially increase the intensity of middle die sleeve and outer die casing, extend the service life of die body further；Reinforcement
The assembly precision of die body and middle die sleeve except the intensity of middle die sleeve can be improved, can also be improved, and then improve
The precision of mould.
Brief description
Accompanying drawing 1 is a kind of sectional view of present invention internal spherical cage cold extrusion die；
Accompanying drawing 2 is the top view of accompanying drawing 1；
Accompanying drawing 3 is the front view of outer die casing in a kind of present invention internal spherical cage cold extrusion die；
Accompanying drawing 4 is the front view of middle die sleeve in a kind of present invention internal spherical cage cold extrusion die；
Accompanying drawing 5 is a kind of front view of present invention internal spherical cage cold extrusion die concave mould body.
Specific embodiment
Below in conjunction with the accompanying drawings, a kind of internal spherical cage cold extrusion die of the present invention is described further.As shown in Figure 1, Figure 2,
Shown in Fig. 3, Fig. 4, Fig. 5, a kind of internal spherical cage cold extrusion die, including die body 1, it is arranged with outer outside described die body 1
Die sleeve 2, is provided with middle die sleeve 3 between described outer die casing 2 and die body 1, described middle die sleeve 3 is cylindrical in shape；
As shown in Figure 3, Figure 4, described middle die sleeve 3 offers the cavity 10 accommodating die body 1, described cavity 10
It is shaped as up-small and down-big truncated cone-shaped, described outer die casing 2 offers the positioning chamber 11 that middle die sleeve 3 is positioned, described
Positioning chamber 11 be shaped as up-small and down-big truncated cone-shaped, the shape of cavity 10 and positioning chamber 11 is up-small and down-big truncated cone-shaped,
Middle die sleeve 3, die body 1 and outer die casing 2 are easy to assembly, and assembly precision is high, improves the precision of mould；
As shown in Figure 1, Figure 2, Figure 4 shows, on the outer wall of described middle die sleeve 3 and inwall, all integral types are provided with reinforcement 4, described
The shape of cross section of reinforcement 4 is trapezoidal, and the length direction of described reinforcement 4 is parallel with the axis direction of middle die sleeve 3, described
Mating groove 5 with reinforcement 4 cooperation is equipped with die body 1 and outer die casing 2；
As shown in Figure 1, Figure 3, on the outer wall of described outer die casing 2, integral type is provided with ring-type rib 6, described ring-type rib 6
Shape of cross section is trapezoidal, the axis of described ring-type rib 6 and the axis coaxle of outer die casing 2, described die body 1 and intermediate die
Set 3 is coaxial, and described middle die sleeve 3 is coaxial with outer die casing 2, and described reinforcement 4 offers first being easy to mating groove 5 assembling
Chamfering, described mating groove 5 offers the second chamfering being easy to reinforcement 4 cooperation, the first chamfering, the setting of the second chamfering make
Die body 1, middle die sleeve 3, outer die casing 2 assemble very convenient, improve the efficiency of assembling of mould；
As shown in figure 1, the lower end integral type of described outer die casing 2 is provided with the retainer ring 7 being easy to fixing outer die casing 2, described solid
Determine integral type between ring 7 and outer die casing 2 and be provided with the first floor 8, between described ring-type rib 6 and outer die casing 2, integral type is provided with
Two floors 9.
The setting of retainer ring 7 allows outer die casing 2 to be conveniently fixed on workbench, and, the fixing essence of outer die casing 2
Degree is high, improves the precision of mould, and retainer ring 7 may also operate as improving the effect of outer die casing 2 intensity, extends the use of die
Life-span.
With respect to prior art, in the outer setting intermediate die set 3 of die body 1, outer die casing 2 is set outside middle die sleeve 3, outward
Die sleeve 2 and middle die sleeve 3 all play the effect protecting die body 1, and when actually used, die body 1 does not allow fragile, prolongation
The service life of die, and, die body 1 fixed precision is high, improves the precision of mould.
These are only the preferred embodiment of the present invention it is intended to embody prominent technique effect and the advantage of the present invention, not
It is the restriction to technical scheme.Those skilled in the art will appreciate that all are based on the technology of the present invention content
Modification, change or the substitute technology feature made, all should be covered by the technology category that claims of the present invention are advocated
Interior.
Claims (5)
1. a kind of internal spherical cage cold extrusion die it is characterised in that：Including die body (1), described die body (1) is sheathed outward
There is outer die casing (2), between described outer die casing (2) and die body (1), be provided with middle die sleeve (3), described middle die sleeve (3) is in cylinder
Shape, on the outer wall of described middle die sleeve (3) and inwall, equal integral type is provided with reinforcement (4), the length direction of described reinforcement (4)
Parallel with the axis direction of middle die sleeve (3), described die body (1) and outer die casing (2) are equipped with and reinforcement (4) cooperation
Mating groove (5), on the outer wall of described outer die casing (2), integral type is provided with ring-type rib (6), the axis of described ring-type rib (6)
With the axis coaxle of outer die casing (2), described die body (1) is coaxial with middle die sleeve (3), described middle die sleeve (3) and external mold
Set (2) is coaxial, and the lower end integral type of described outer die casing (2) is provided with the retainer ring (7) being easy to fixing outer die casing (2), described fixation
Between ring (7) and outer die casing (2), integral type is provided with the first floor (8), one between described ring-type rib (6) and outer die casing (2)
Formula is provided with the second floor (9).
2. a kind of internal spherical cage cold extrusion die according to claim 1 it is characterised in that：The horizontal stroke of described reinforcement (4)
Cross sectional shape is trapezoidal.
3. a kind of internal spherical cage cold extrusion die according to claim 1 it is characterised in that：Described ring-type rib (6)
Shape of cross section is trapezoidal.
4. a kind of internal spherical cage cold extrusion die according to claim 1 it is characterised in that：On described middle die sleeve (3)
Offer accommodate die body (1) cavity (10), described cavity (10) be shaped as up-small and down-big truncated cone-shaped, described external mold
Offer, on set (2), the positioning chamber (11) that middle die sleeve (3) is positioned, being shaped as of described positioning chamber (11) is up-small and down-big
Truncated cone-shaped.
5. a kind of internal spherical cage cold extrusion die according to Claims 1-4 any one it is characterised in that：Described plus
Offer, on strong muscle (4), the first chamfering being easy to assemble with mating groove (5), described mating groove (5) offers and is easy to and strengthens
The second chamfering that muscle (4) coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871543.XA CN106424189A (en) | 2016-09-30 | 2016-09-30 | Concave mold for inner spherical cage cold extrusion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610871543.XA CN106424189A (en) | 2016-09-30 | 2016-09-30 | Concave mold for inner spherical cage cold extrusion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106424189A true CN106424189A (en) | 2017-02-22 |
Family
ID=58171528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610871543.XA Pending CN106424189A (en) | 2016-09-30 | 2016-09-30 | Concave mold for inner spherical cage cold extrusion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106424189A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909327A (en) * | 2021-09-22 | 2022-01-11 | 中北大学 | Pre-deformation die, pre-deformation method and preparation method of cylindrical part with outer longitudinal ribs |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD291490A5 (en) * | 1990-01-19 | 1991-07-04 | Freiberg Bergakademie | PRESS FORM FOR THE MANUFACTURE OF CERAMIC MATRICES |
| CN2510192Y (en) * | 2001-11-15 | 2002-09-11 | 天津市锻压机床总厂 | Cold-extruded pipe joint die for vertical hydraulic press |
| CN201644542U (en) * | 2010-04-12 | 2010-11-24 | 宁波金田铜业(集团)股份有限公司 | Extrusion die |
| CN103817163A (en) * | 2012-11-19 | 2014-05-28 | 西安志越机电科技有限公司 | Internal spline cold extruding forming die |
| CN204074773U (en) * | 2014-07-30 | 2015-01-07 | 上海久丰汽车零件有限公司 | A kind of cold extrusion molding mould of aluminium matter fire nozzle |
| CN104399771A (en) * | 2014-12-02 | 2015-03-11 | 中北大学 | Inner transverse bar extrusion die for cylindrical component |
| CN205552087U (en) * | 2016-01-08 | 2016-09-07 | 苏州久越金属科技有限公司 | Supporting structure of positioning die |
| CN206046688U (en) * | 2016-09-30 | 2017-03-29 | 浙江德福精密驱动制造有限公司 | A kind of internal spherical cage cold extrusion die |
-
2016
- 2016-09-30 CN CN201610871543.XA patent/CN106424189A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD291490A5 (en) * | 1990-01-19 | 1991-07-04 | Freiberg Bergakademie | PRESS FORM FOR THE MANUFACTURE OF CERAMIC MATRICES |
| CN2510192Y (en) * | 2001-11-15 | 2002-09-11 | 天津市锻压机床总厂 | Cold-extruded pipe joint die for vertical hydraulic press |
| CN201644542U (en) * | 2010-04-12 | 2010-11-24 | 宁波金田铜业(集团)股份有限公司 | Extrusion die |
| CN103817163A (en) * | 2012-11-19 | 2014-05-28 | 西安志越机电科技有限公司 | Internal spline cold extruding forming die |
| CN204074773U (en) * | 2014-07-30 | 2015-01-07 | 上海久丰汽车零件有限公司 | A kind of cold extrusion molding mould of aluminium matter fire nozzle |
| CN104399771A (en) * | 2014-12-02 | 2015-03-11 | 中北大学 | Inner transverse bar extrusion die for cylindrical component |
| CN205552087U (en) * | 2016-01-08 | 2016-09-07 | 苏州久越金属科技有限公司 | Supporting structure of positioning die |
| CN206046688U (en) * | 2016-09-30 | 2017-03-29 | 浙江德福精密驱动制造有限公司 | A kind of internal spherical cage cold extrusion die |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113909327A (en) * | 2021-09-22 | 2022-01-11 | 中北大学 | Pre-deformation die, pre-deformation method and preparation method of cylindrical part with outer longitudinal ribs |
| CN113909327B (en) * | 2021-09-22 | 2024-05-03 | 中北大学 | Pre-deformation die, pre-deformation method and preparation method of cylindrical part with external longitudinal ribs |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |