CN207971367U - A kind of rail chair body forging mold - Google Patents
A kind of rail chair body forging mold Download PDFInfo
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- CN207971367U CN207971367U CN201820422925.9U CN201820422925U CN207971367U CN 207971367 U CN207971367 U CN 207971367U CN 201820422925 U CN201820422925 U CN 201820422925U CN 207971367 U CN207971367 U CN 207971367U
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Abstract
The utility model discloses a kind of rail chair body forging molds, including upper die and lower die, base cavity there are two being respectively set on upper die and lower die, two base cavity shapes of upper mold are identical and are symmetrically arranged by symmetry axis of upper mold central axes, two base cavity shapes of lower die are identical and are symmetrically arranged by symmetry axis of lower die central axes, and two identical rail chair body finish-forging base cavities are formed after upper die and lower die molding；It is respectively equipped with overlap bridge around the base cavity of upper die and lower die, flash gutters are equipped on the outside of overlap bridge；For the overlap bridge of the upper mold to upper cavity internal projection at upper mold central axes, the overlap bridge of the lower die to lower mode cavity internal projection, divides mould bridge between two base cavities of the lower die at lower die central axes equipped with inverted V-shaped.The utility model uses a mould two pieces forging mold, solves the problems, such as that rail chair body forging rejection rate is excessively high, improves stock utilization and production efficiency.
Description
Technical field
The utility model belongs to forging mold technical field, specifically, being related to a kind of rail chair body forging mold.
Background technology
In production generally using the forging method forging molding of a mould one, technical process is rail chair body forging：Under
Material-heating-change base-forges；This forging technology feature is that Mold Making is fairly simple, disadvantage is that：This product is forged
Part is asymmetric, and forging changes of section is larger, and forging complexity is higher, and cavity difference in height is larger, and die parting line difference in height is larger,
Forging molding offsetting power can not be balanced by mold, and forging offsets in forging process, and forging's block dimension is easily unqualified, makes forging matter
Amount is not high, and special messenger's reconditioning, rejection rate need to be arranged to reach about 25%；Overlap is larger, causes waste of raw materials；Due to forging and pressing primary
A product is produced, production efficiency is relatively low.
Invention content
The utility model is excessively high and production efficiency is lower asks mainly for the rail chair body forging rejection rate of the prior art
Topic provides an a kind of mould two pieces rail chair body forging mold.
Technical solution adopted by the utility model to solve its technical problems is：A kind of rail chair body forging mold is provided, is wrapped
Upper die and lower die are included, are respectively set on upper die and lower die there are two base cavity, two base cavity shapes of upper mold are identical
And it is symmetrically arranged by symmetry axis of upper mold central axes, two base cavity shapes of lower die are identical and with lower die central axes are
Symmetry axis is symmetrically arranged, and two identical rail chair body finish-forging base cavities are formed after upper die and lower die molding；Upper die and lower die
It is respectively equipped with overlap bridge around base cavity, flash gutters are equipped on the outside of overlap bridge, when upper die and lower die mold, upper mold flash gutters
It is mutually closed with lower die flash gutters；The overlap bridge of the upper mold flies at upper mold central axes to upper cavity internal projection, the lower die
Side bridge to lower mode cavity internal projection, divides mould bridge between two base cavities of the lower die at lower die central axes equipped with inverted V-shaped.This
The long wide direction of sample forging is symmetrical, and a pulling of base when single piece forging is changed to when a mould two pieces is forged in base
Between pull out so that the flow direction of metal and the phenomenon that be distributed more reasonable, die joint symmetrical balance, offset there is no forging, existing
In the case that some appointed conditions are constant, mold tool is become by rational design, obtains the blank closer to forging, final production goes out
Qualified forging, and improve production efficiency.
The overlap bridge of upper mold at upper mold central axes to upper cavity internal projection, the overlap bridge of lower die at lower die central axes to
Lower mode cavity internal projection divides mould bridge between two base cavities of lower die equipped with inverted V-shaped.Such structure is conducive to two rail chair bodies
Forging detaches, and makes blank stress balance in forging, not will produce the phenomenon that forging offsets.
The punch of two symmetrical trade shapes is respectively equipped in two base cavities of upper mold；Two base types of lower die
Also the punch of two symmetrical trade shapes is respectively equipped in chamber；Up and down when molding, upper mold trade shape corresponding with lower die
Punch coaxial cooperation, in order to manufacture the forging of qualified size.
According to the structure feature of rail chair body and processing needs, 1 five side is further respectively had in two base cavities of lower die
Shape punch, this punch is just close to the babinet edge of lower die, to ensure discharge clout in time, in upper mold and lower die contact jaw
Face is equipped with blow tank close to the position of pentagon punch, and blow tank is communicated with upper mold flash gutters.
The groove lock of rectangle is convex with the rectangular cylindrical on four corners of lower die there are four being set on four corners of upper mold
Lock coaxial cooperation is played, on the one hand ensures the accurate fit of upper and lower mould, on the other hand ensures that upper and lower mould does not misplace when forging.
The utility model has the advantages that using a mould two pieces forging mold, the rejection rate for solving rail chair body forging is excessively high
The problem of, so that rejection rate is down to 5% hereinafter, stock utilization improves 15% or more, production efficiency improves 30%.
Description of the drawings
Fig. 1 is a kind of rail chair body forging mold schematic diagram of the utility model；
Fig. 2 is that the rail chair body single-piece of the prior art forges the sectional view of product；
Fig. 3 is the sectional view that rail chair body two pieces product is forged with the utility model mold；
H direction views in Fig. 4 Fig. 2 and Fig. 3；
As shown in the figure：1, upper mold, 2, lower die, 11, upper mold base chamber, 14, upper mold overlap bridge, 15, upper mold flash gutters, 16,
Blow tank, 17, groove lock, 18, upper mold track shape punch, 21, lower die base chamber, 24, lower die overlap bridge, 25, lower die overlap
Slot, 26, divide mould bridge, 27, columnar projections lock, 28, lower die track shape punch, 29, pentagon punch.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing being described further to the technical solution of the utility model.
Embodiment：
Query graph 1, the utility model embodiment include upper mold 1 and lower die 2, and two are respectively arranged in upper mold 1 and lower die 2
Two 11 shapes of base cavity of a base cavity, upper mold 1 are identical and are symmetrically arranged by symmetry axis of 1 central axes of upper mold, under
Two base cavity shapes 21 of mould 2 are identical and are symmetrically arranged by symmetry axis of 2 central axes of lower die, and upper mold 1 and lower die 2 mold
Two identical rail chair body finish-forging base cavities are formed afterwards.Upper mold overlap bridge 14 is equipped with around two base cavities 11 of upper mold 1,
14 outside of upper mold overlap bridge is equipped with upper mold flash gutters 15, and lower die overlap bridge 24 is equipped with around two base cavities 21 of lower die 2, under
24 outside of mould overlap bridge is equipped with lower die flash gutters 25；Upper mold overlap bridge 14 is in contact with lower die overlap bridge 24 when molding up and down, on
Mould flash gutters 15 are closed with 25 phase of lower die flash gutters.The long wide direction of forging in this way is symmetrical, by base when single piece forging
One pulling is changed to the intermediate pulling of base when mould two pieces forging so that the flow direction and more reasonable, the die joint of distribution of metal
Symmetrical balance, the phenomenon that offsetting there is no forging.
Upper mold overlap bridge 14 at upper mold central axes to upper cavity internal projection, lower die overlap bridge 24 at lower die central axes to
Lower mode cavity internal projection divides mould bridge 26 between two base cavities 21 of lower die 2 equipped with inverted V-shaped；Such structure is conducive to two
Rail chair body forging detaches, and makes blank stress balance in forging, not will produce the phenomenon that forging offsets.
The punch 18 of two symmetrical upper mold trade shapes is respectively equipped in two base cavities 11 of upper mold 1；Lower die 2
Also the punch 28 of two symmetrical lower die trade shapes is respectively equipped in two base cavities 21；Up and down when molding, upper mold 1 is under
The punch coaxial cooperation of 2 corresponding trade shape of mould, in order to manufacture the forging of qualified size.
According to the structure feature of rail chair body and processing needs, 1 five is further respectively had in two base cavities 21 of lower die 2
Side shape punch 29, this punch is just close to the babinet edge of lower die 2, to ensure discharge clout in time, upper mold 1 and lower die
Contact face is equipped with blow tank 16 close to the position of pentagon punch 29, and blow tank 16 is communicated with upper mold flash gutters 15.
The groove lock 17 of rectangle and the rectangular cylindrical on four corners of lower die there are four being set on four corners of upper mold 1
Protrusion 27 coaxial cooperations of lock, on the one hand ensure the accurate fit of upper and lower mould, on the other hand ensure that upper and lower mould does not misplace when forging.
Query graph 2, Fig. 3 and Fig. 4, it can be seen that prior art forging technology feature is that Mold Making is fairly simple, insufficient
Place is forging asymmetry, and forging changes of section is larger, and cavity difference in height is larger, and die parting line difference in height is larger, forging molding
Offsetting power can not be balanced by mold, and forging offsets in forging process, and forging's block dimension is easily unqualified；And the utility model is implemented
The forging mold of example, it is symmetrical in long wide direction, a pulling of base when single piece forging is changed to mould two pieces forging
When base intermediate pulling so that the flow direction of metal and be distributed more reasonable, die joint symmetrical balance, offset there is no forging
Phenomenon.The utility model embodiment solves the problems, such as that the rejection rate of rail chair body forging is excessively high, and rejection rate is down to 5% hereinafter, material
Utilization rate improves 10% or more, and production efficiency improves 30%.
Certainly, above description is also not limited to the example above, and technical characteristic of the utility model without description can lead to
It crosses or realizes that details are not described herein using the prior art；Above example and attached drawing are merely to illustrate the technology of the utility model
Scheme is not limitations of the present invention, and the utility model is described in detail with reference to preferred embodiment, this
Field it is to be appreciated by one skilled in the art that those skilled in the art institute in the essential scope of the utility model
The variations, modifications, additions or substitutions made without departure from the objective of the utility model, want by the right that should also belong to the utility model
Seek protection domain.
Claims (5)
1. a kind of rail chair body forging mold, including upper die and lower die, it is characterised in that：Two are respectively arranged on upper die and lower die
Two base cavity shapes of a base cavity, upper mold are identical and are symmetrically arranged by symmetry axis of upper mold central axes, lower die
Two base cavity shapes are identical and are symmetrically arranged by symmetry axis of lower die central axes, and two are formed after upper die and lower die molding
Identical rail chair body finish-forging base cavity；Overlap bridge is respectively equipped with around the base cavity of upper die and lower die, overlap bridge outside is
Equipped with flash gutters, when upper die and lower die mold, upper mold flash gutters are mutually closed with lower die flash gutters；The overlap bridge of the upper mold is upper
To upper cavity internal projection at mould central axes, the overlap bridge of the lower die at lower die central axes to lower mode cavity internal projection, under described
Divide mould bridge equipped with inverted V-shaped between two base cavities of mould.
2. a kind of rail chair body forging mold according to claim 1, it is characterised in that:Divide in two base cavities of upper mold
The punch there are two symmetrical trade shape is not set；Also two symmetrical track shapes are respectively equipped in two base cavities of lower die
The punch of shape；Up and down when molding, the punch coaxial cooperation of upper mold trade shape corresponding with lower die.
3. a kind of rail chair body forging mold according to claim 1, it is characterised in that:In two base cavities of lower die also
It is respectively equipped with 1 pentagon punch.
4. a kind of rail chair body forging mold according to claim 3, it is characterised in that:In upper mold and lower die contact jaw
Face is equipped with blow tank close to the position of pentagon punch, and blow tank is communicated with upper mold flash gutters.
5. a kind of rail chair body forging mold according to claim 1, it is characterised in that:Four corners of upper mold are equipped with four
The lock coaxial cooperation of the groove lock and the rectangular cylindrical protrusion on four corners of lower die of a rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820422925.9U CN207971367U (en) | 2018-03-28 | 2018-03-28 | A kind of rail chair body forging mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820422925.9U CN207971367U (en) | 2018-03-28 | 2018-03-28 | A kind of rail chair body forging mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207971367U true CN207971367U (en) | 2018-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820422925.9U Active CN207971367U (en) | 2018-03-28 | 2018-03-28 | A kind of rail chair body forging mold |
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| CN (1) | CN207971367U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622855A (en) * | 2018-12-11 | 2019-04-16 | 陕西宏远航空锻造有限责任公司 | The design method and device of a kind of mold, mold |
| CN110193583A (en) * | 2019-07-02 | 2019-09-03 | 衡水裕菖铸锻有限公司 | A kind of the base forging integration mold and its forging method of bearing (ball) cover |
-
2018
- 2018-03-28 CN CN201820422925.9U patent/CN207971367U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109622855A (en) * | 2018-12-11 | 2019-04-16 | 陕西宏远航空锻造有限责任公司 | The design method and device of a kind of mold, mold |
| CN110193583A (en) * | 2019-07-02 | 2019-09-03 | 衡水裕菖铸锻有限公司 | A kind of the base forging integration mold and its forging method of bearing (ball) cover |
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