CN106670369A - Core-embedded mold facilitating ejection-out of forging - Google Patents
Core-embedded mold facilitating ejection-out of forging Download PDFInfo
- Publication number
- CN106670369A CN106670369A CN201710112102.6A CN201710112102A CN106670369A CN 106670369 A CN106670369 A CN 106670369A CN 201710112102 A CN201710112102 A CN 201710112102A CN 106670369 A CN106670369 A CN 106670369A
- Authority
- CN
- China
- Prior art keywords
- core
- forging
- edge core
- mold
- cavity
- Prior art date
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/08—Accessories for handling work or tools
- B21J13/14—Ejecting devices
Abstract
The invention relates to a core-embedded mold facilitating ejection-out of a forging. The core-embedded mold facilitating ejection-out of the forging comprises a mold body. A first mold cavity face is arranged on the surface of the mold body. A material ejection-out rod for ejecting out the forging is arranged in the mold body in a movable fit manner. An embedding cavity is formed in the mold body. An embedding core is embedded into the embedding cavity. The surface, exposed from the embedding cavity, of the embedding core is provided with a second mold cavity face. The second mold cavity face and the first mold cavity face are spliced into a preset mold cavity. The embedding cavity is in movable fit with the embedding core. The embedding core is located on the ejection-out path of the material ejection-out rod. The end, close to the ejection-out end of the material ejection-out rod, of the embedding core is smaller than the opposite end in size. The embedding core is formed by splicing at least two embedding core sections, and a splicing seam is matched with the second mold cavity face in shape. By the adoption of the core-embedded mold, the embedding core can be ejected out by the material ejection-out rod along with the forging, the embedding core can be easily separated along the splicing seam after being disengaged from the embedding cavity, the forging is subject to demolding smoothly, and damage and production interruption caused by the fact that the mold is stuck by the forging can be avoided.
Description
Technical field
The present invention relates to forging mold, a kind of particularly edge core mold for being easy to eject forging demoulding.
Background technology
Forging technology can be divided into die forging and open die forging, and wherein die forging is to allow blank that extruding occurs in the die cavity of mould to become
Shape, obtains the forging shape for needing.
Forging is completed after deformation in die cavity, needs to carry out the demoulding, and existing mould is typically provided with for the demoulding
Ejecting mechanism.For example in a mold, it is provided with jogger hole, jogger hole and the ejector beam being slidably matched is set, using cam mechanism
Or hydraulic means promotes ejector beam to eject forging from die cavity.
Above-mentioned stripping means are applied to most of forging, but for the high rib thin-wall part of some long sizes, due to floor depth
In embedded mold cavity, its adhesion is stronger, and forging has very long extended distance again, using the aforesaid way demoulding, often
Ejector beam by forging middle part jack-up, still block in a mold by forging two ends, and this causes forging deformed damaged, and need to consume compared with
Many times level mould, cause enterprise efficiency to reduce.
The content of the invention
The technical problem to be solved is：A kind of edge core mold for being easy to forging to eject is provided, is easy to high rib thin
The wall pieces demoulding, is avoided that forging is damaged.
The technical solution adopted for the present invention to solve the technical problems is：
The edge core mold for being easy to forging to eject, including die ontology, die ontology surface is provided with the first cavity surface, mould
This is provided with vivo the ejector beam for ejecting forging of clearance fit, and die ontology is additionally provided with inlays chamber, described to inlay chamber
Inside it is embedded with edge core, inlays core from inlaying the surface exposed in chamber and be provided with the second cavity surface, second cavity surface and the first die cavity
Face pieces together default die cavity, described to inlay chamber and inlay core for clearance fit, and edge core is located on the ejection path of ejector beam, edge
Core is smaller in size than the relative other end near one end that ejector beam ejects end；The edge core is at least two edge core lobe split shapes
Into, and split seam and the second cavity surface shape adaptation.
Further, second cavity surface has elongate slots, and the edge core is that the core lobe split of two edges is formed, and inlays core lobe
Split stitch and divide equally elongate slots along the length direction of the elongate slots.
Further, the edge core is located at split and stitches both sides, and is slide surface with the side for inlaying chamber cooperation, the cunning
Shifting face is smooth cambered surface or inclined-plane, and the ejector beam ejection direction is for straight up, the ejection end of ejector beam is towards the spelling
Joint close.
Further, the edge wicking surface face relative with the second cavity surface is the shape of medial recess.
Further, the die ontology is provided with the jogger hole being adapted to ejector beam, and the ejector beam is located at jogger hole
Interior formation is slidably matched, and jogger hole is connected with the chamber of inlaying, and the ejection end of the ejector beam pushes against the edge core.
The invention has the beneficial effects as follows：Using above-mentioned edge core mold, ejector beam can eject edge core together with forging, inlay core
Disengaging is inlayed behind chamber can stitch delamination along split, make the smooth demoulding of forging, be avoided that damage and life that forging snap gauge causes
Produce and interrupt.
Description of the drawings
Fig. 1 is the schematic diagram of the edge core mold of the present invention；
Fig. 2 is the schematic diagram when edge core mold of the present invention is forged；
Schematic diagram when Fig. 3 is the edge core mold demoulding of the present invention；
Fig. 4 is a kind of embodiment enlarged diagram of edge core of present invention edge core mold；
Fig. 5 is the edge core another kind embodiment enlarged diagram of present invention edge core mold；
Reference is in figure：Die ontology 1, jogger hole 11, inlay chamber 12, the first cavity surface 13, ejector beam 2, edge core
3rd, the second cavity surface 31, split seam 32, slide surface 33, forging 9.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is further described：
The edge core mold for being easy to forging to eject, including die ontology 1, the surface of die ontology 1 is provided with the first cavity surface 13,
The ejector beam 2 for ejecting forging of clearance fit is provided with die ontology 1, die ontology 1 is additionally provided with inlays chamber 12, institute
State to inlay and be embedded with chamber 12 edge core 3, inlay core 3 from inlaying the surface exposed in chamber 12 and be provided with the second cavity surface 31, described second
The cavity surface 13 of cavity surface 31 and first pieces together default die cavity, described to inlay chamber 12 and inlay core 3 for clearance fit, and inlays core 3
On the ejection path of ejector beam 2, inlay core 3 and be smaller in size than the relative other end near one end that ejector beam 2 ejects end；It is described
Edge core 3 is that at least two edge core lobe splits are formed, and split seam 32 and the shape adaptation of the second cavity surface 31.
As shown in figure 1, the edge core mold of the present invention, is provided with ejects ejector beam 2, top for forging like the prior art
Material bar 2 and the clearance fit of die ontology 1, can be the connected modes arbitrarily with ejection action, for example, it may be Fig. 3 institutes
Show, the die ontology 1 is provided with the jogger hole 11 being adapted to ejector beam 2, the ejector beam 2 is located to be formed in jogger hole 11 and slides
Dynamic to coordinate, jogger hole 11 is connected with the chamber 12 of inlaying.Using hydraulic means the forging of ejector beam 2 and edge core 3 can be promoted to eject.
Again for example, it is also possible to be that ejector beam 2 is rotatably assorted by axle with the formation of die ontology 1, with cam mechanism ejector beam 2 one is hinged
End, using lever principle, can drive another end motion of ejector beam 2, and then eject forging and edge core 3.
The die cavity of this edge core mold is by the first cavity surface 13 of die ontology 1 and the split shape of the second cavity surface 31 of edge core 3
Into as shown in figure 3, die ontology 1 is provided with inlays chamber 12, edge core 3 is embedded inlaying in chamber 12, and inlays core 3 near ejector beam 2
The one end at ejection end is smaller in size than the relative other end, when ejector beam 2 is ejected, edge core 3 can be promoted de- in chamber 12 from inlaying
Go out, when mould carries out forging extruding, edge core 3 can will not fall off by the support for inlaying chamber 12.
The ejection end of ejector beam 2 can be that edge core 3 is separated, or pushed against with edge core 3, be that edge core 3 provides more branched
Support.
As seen in figures 3-5, inlay core 3 to be formed for edge core lobe split, when edge core 3 is deviate from from chamber 12 is inlayed, edge core lobe can be light
Easy separates from split seam 32, makes the demoulding of forging 9, it is to avoid forging snap gauge problem.
The split seam 32 of edge core lobe will refer to that split seam 32 opens up direction and to be easy to edge with the shape adaptation of the second cavity surface 31
Core lobe is separated and the demoulding of forging 9, and such as split seam 32 is set to simple straight line seam, and split seam 32 selects big in mold cavity deformation amount
And split where complex structure.
As shown in Figure 1,3, the second cavity surface 31 for inlaying core 3 has elongate slots, and the elongate slots are used to form the high rib of forging 9
Part, the edge core 3 is that the core lobe split of two edges is formed, and the split seam 32 for inlaying core lobe will be long along the length direction of the elongate slots
Shape groove is divided equally.When edge core 3 is ejected, edge core 3 is separated into two along split seam 32, and forging 9 is easy to take out.
It is furthermore preferred that can be that the edge core 3 is located at 32 both sides of split seam, and it be to slide with the side for inlaying the cooperation of chamber 12
Shifting face 33, the slide surface 33 is smooth cambered surface or inclined-plane, the ejection direction of the ejector beam 2 for straight up, ejector beam 2
Ejection end is towards split seam 32.
As seen in figures 3-5, slide surface 33 is located at the side that 32 both sides are stitched in split, and edge core 3 can be smoothed with chamber 12 is inlayed
Be slidably matched, as shown in figure 3, when ejector beam 2 is ejected straight up, allow the edge first half of core 3 to expose from chamber 12 is inlayed, with gravity
Automatically split from split seam 32, forging 9 can be easily removed, when ejector beam 2 is retracted downwards, then inlay core lobe and slip into and inlay chamber 12,
By the effect of slide surface 33, edge core lobe automatic splicing is capable of achieving continuous production into into edge core 3.
Embodiment as shown in Figure 4, slide surface 33 is smooth inclined-plane, embodiment as shown in Figure 5, and slide surface 33 is smooth
Cambered surface, is capable of achieving above-mentioned purpose.
It is furthermore preferred that can be the shape that the edge surface of core 3 face relative with the second cavity surface 31 is medial recess.
As shown in Fig. 3,4,5, during forging machine extruding forging, edge core 3 is pressed to and inlays chamber 12, above-mentioned concave shape can be formed
Centering limit effect, it is to avoid the edge gliding dislocations of core 3, it is ensured that mould and die accuracy.
Claims (5)
1. the edge core mold for being easy to forging to eject, including die ontology (1), die ontology (1) surface is provided with the first cavity surface
(13) ejector beam (2) for ejecting forging of clearance fit, is provided with die ontology (1), it is characterised in that die ontology
(1) it is additionally provided with and inlays chamber (12), described inlaying be embedded with chamber (12) edge core (3), edge core (3) is from inlaying what chamber (12) was exposed
Surface is provided with the second cavity surface (31), and second cavity surface (31) pieces together default die cavity with the first cavity surface (13),
The chamber (12) and edge core (3) of inlaying is clearance fit, and inlays core (3) on the ejection path of ejector beam (2), inlays core (3)
The one end for ejecting end near ejector beam (2) is smaller in size than the relative other end；Edge core (3) is at least two edge core lobe splits
Formed, and split seam (32) and the second cavity surface (31) shape adaptation.
2. the edge core mold for being easy to forging to eject as claimed in claim 1, it is characterised in that the second cavity surface (31) tool
There are elongate slots, the edge core (3) is formed for the core lobe split of two edges, inlay the length of split seam (32) along the elongate slots of core lobe
Elongate slots are divided equally in direction.
3. the edge core mold for being easy to forging to eject as claimed in claim 2, it is characterised in that the edge core (3) is positioned at split
Seam (32) both sides, and be slide surface (33) with the side of chamber (12) cooperation is inlayed, the slide surface (33) is smooth cambered surface
Or inclined-plane, ejector beam (2) the ejection direction is for straight up, the ejection end of ejector beam (2) is stitched (32) towards the split.
4. the edge core mold for being easy to forging to eject as claimed in claim 1, it is characterised in that edge core (3) surface and the
The relative face of two cavity surfaces (31) is the shape of medial recess.
5. the edge core mold for being easy to forging to eject as claimed in claim 1, it is characterised in that the die ontology (1) is arranged
There is the jogger hole (11) being adapted to ejector beam (2), the ejector beam (2) forms in jogger hole (11) and is slidably matched, push rod
Hole (11) is connected with the chamber (12) of inlaying, and the ejection end of the ejector beam (2) pushes against edge core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710112102.6A CN106670369B (en) | 2017-02-28 | 2017-02-28 | Convenient for the edge core mold of forging ejection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710112102.6A CN106670369B (en) | 2017-02-28 | 2017-02-28 | Convenient for the edge core mold of forging ejection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106670369A true CN106670369A (en) | 2017-05-17 |
| CN106670369B CN106670369B (en) | 2018-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710112102.6A Active CN106670369B (en) | 2017-02-28 | 2017-02-28 | Convenient for the edge core mold of forging ejection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106670369B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366254A (en) * | 2018-09-11 | 2019-02-22 | 中北大学 | A kind of automatic preparation facilities of chip metallographic test specimen |
| CN109374370A (en) * | 2018-09-11 | 2019-02-22 | 中北大学 | A kind of workbench applied to the automatic preparation facilities of chip metallographic test specimen |
| CN114535479A (en) * | 2022-03-01 | 2022-05-27 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Forging method of large arc die forging |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4651548A (en) * | 1984-11-27 | 1987-03-24 | Heinrich Schmid Maschinenund Werkzeugbau AG | Wobble-die forging machine |
| CN2296784Y (en) * | 1997-11-13 | 1998-11-11 | 马进 | Extruding forming die for casing of rock bit |
| JPH11182641A (en) * | 1997-12-22 | 1999-07-06 | Fuji Univance Corp | Slide pulley of belt type continuously variable transmission, and its manufacture |
| CN202263881U (en) * | 2011-10-30 | 2012-06-06 | 东风锻造有限公司 | Forging die |
| CN202921853U (en) * | 2012-11-29 | 2013-05-08 | 山推工程机械股份有限公司 | Die for precision forging process of thrust wheel |
| CN204108209U (en) * | 2014-10-28 | 2015-01-21 | 傅发春 | A kind of bulb double-convex-mold accurate cold forging mould |
| CN205436983U (en) * | 2016-03-08 | 2016-08-10 | 安徽博斯特科技有限公司 | Large -scale annular forging forges mould |
| CN106180516A (en) * | 2016-07-13 | 2016-12-07 | 江苏东顺新能源科技有限公司 | A kind of bucket tooth crown forging die |
-
2017
- 2017-02-28 CN CN201710112102.6A patent/CN106670369B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4651548A (en) * | 1984-11-27 | 1987-03-24 | Heinrich Schmid Maschinenund Werkzeugbau AG | Wobble-die forging machine |
| CN2296784Y (en) * | 1997-11-13 | 1998-11-11 | 马进 | Extruding forming die for casing of rock bit |
| JPH11182641A (en) * | 1997-12-22 | 1999-07-06 | Fuji Univance Corp | Slide pulley of belt type continuously variable transmission, and its manufacture |
| CN202263881U (en) * | 2011-10-30 | 2012-06-06 | 东风锻造有限公司 | Forging die |
| CN202921853U (en) * | 2012-11-29 | 2013-05-08 | 山推工程机械股份有限公司 | Die for precision forging process of thrust wheel |
| CN204108209U (en) * | 2014-10-28 | 2015-01-21 | 傅发春 | A kind of bulb double-convex-mold accurate cold forging mould |
| CN205436983U (en) * | 2016-03-08 | 2016-08-10 | 安徽博斯特科技有限公司 | Large -scale annular forging forges mould |
| CN106180516A (en) * | 2016-07-13 | 2016-12-07 | 江苏东顺新能源科技有限公司 | A kind of bucket tooth crown forging die |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109366254A (en) * | 2018-09-11 | 2019-02-22 | 中北大学 | A kind of automatic preparation facilities of chip metallographic test specimen |
| CN109374370A (en) * | 2018-09-11 | 2019-02-22 | 中北大学 | A kind of workbench applied to the automatic preparation facilities of chip metallographic test specimen |
| CN114535479A (en) * | 2022-03-01 | 2022-05-27 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Forging method of large arc die forging |
| CN114535479B (en) * | 2022-03-01 | 2023-11-28 | 中国第二重型机械集团德阳万航模锻有限责任公司 | Forging method of large arc die forging |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106670369B (en) | 2018-11-27 |
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