CN208288906U - A kind of mold for cold forging flake ring - Google Patents
A kind of mold for cold forging flake ring Download PDFInfo
- Publication number
- CN208288906U CN208288906U CN201820380589.6U CN201820380589U CN208288906U CN 208288906 U CN208288906 U CN 208288906U CN 201820380589 U CN201820380589 U CN 201820380589U CN 208288906 U CN208288906 U CN 208288906U
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- CN
- China
- Prior art keywords
- mold
- die
- cold forging
- formed punch
- extruding
- 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.)
- Expired - Fee Related
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Abstract
This case discloses a kind of mold for cold forging flake ring, and flake ring includes: interconnecting piece, is annular structure, and offer centre bore on the interconnecting piece；Limiting section is the protrusion for being symmetricly set on the two sides of the main body.Mold for cold forging flake ring includes: extruding formed punch is arranged inside in upper mold；Lower die is arranged inside cavity plate, the groove to match with the limiting section is offered on the inner sidewall of the cavity plate；Lower bolster, its lower section for being set to the lower die, lower extruding formed punch is provided on the lower bolster, and the lower extruding formed punch penetrates in the cavity plate, the lower extruding formed punch is for extrusion blank center to form centre bore and squeeze material to form protrusion into the groove；An open cold extrusion die cavity is formed after the upper die and lower die molding.Multiple features of the mold energy time processing fish eye thimble of this case, simplify process.
Description
Technical field
The utility model relates to precision metals to forge field, specifically, the utility model relates to one kind to be used for cold forging flake
The mold of ring.
Background technique
The processing of metal parts mostly uses numerically-controlled machine tool to be cut at present, and not only stock utilization is very for machining
Low, and the working hour expended is more, production cost is high, and carry out the part after machining also need to carry out it is subsequent
Surface treatment, complex procedures, therefore cold forging is used to replace machining, cold extrusion belongs to one kind of cold-forging technique, and cold extrusion is in cold conditions
It is lower that metal blank is put into mould cavity, under powerful pressure and certain speed effect, metal is forced to squeeze from mold
Out to obtain required shape, size and the extrusion with certain mechanical properties, the part strength of cold extrusion machine-shaping
With precision height, surface quality is good, and without carrying out subsequent surface treatment, but cold extruding technique requires height to mold, and mold removes
It needs to have outside high-intensitive, has also needed enough impact flexibility and wearability, but the correlated performance of existing mold all cannot
Meet demand, the service life of mold are lower also easy to damage.
Utility model content
For the shortcomings of the prior art, the purpose of the utility model is to provide one kind to be used for cold forging flake ring
Mold, cold forging die upper die and lower die molding after form open type chamber, will not be too big because of pressure in cold forging processes
Crack of die, while multiple structure feature one-pass moldings of flake ring are caused, process is simplified.
In order to realize these purposes and other advantages according to the present utility model, provide a kind of for cold forging flake ring
Mold, the flake ring include:
Interconnecting piece is annular structure, offers centre bore on the interconnecting piece；
Limiting section is the protrusion for being symmetricly set on the interconnecting piece two sides.
The mold for cold forging flake ring includes:
Upper mold, is arranged inside extruding formed punch, and the upper extruding formed punch is used to apply extruding force to blank；
Lower die is arranged inside cavity plate, the groove to match with the limiting section is offered on the inner sidewall of the cavity plate；
Lower bolster is set to the lower section of the lower die, lower extruding formed punch is provided on the lower bolster, and described lower crowded
Pressure formed punch penetrates in the cavity plate, and lower the extrudings formed punch is used for extrusion billet center to form centre bore and by material to described
It squeezes in groove to form protrusion；
Wherein, an open cold extrusion die cavity is formed after the upper die and lower die molding.
Preferably, further include upper die holder, be provided with lower bolster, the lower bolster and the upper mold phase below the upper die holder
Even, the upper die holder drives the upper extruding formed punch mobile to apply extruding force to blank.
Preferably, lower die holder is provided with below the lower bolster.
Preferably, the lower upper surface for squeezing formed punch is lower than the upper surface of cavity plate.
Preferably, positioning column is provided in the upper mold.
Preferably, the location hole to match with the positioning column is provided in the lower die.
Preferably, after the upper mold and the lower die mold, between the upper mold lower end surface and the upper surface of the lower die
It is freely formed a flange.
The beneficial effects of the utility model are: 1) the type chamber formed after the cold forging die upper die and lower die molding of this case is to open
Formula is put, in extrusion process, extra material can be freely formed flange between upper die and lower die, so that lower die is not easy cold
It cracks in forging process, improves the service life of mold；2) it is provided on cold forging die and squeezes formed punch and lower extruding formed punch,
The external structure of flake ring can be formed during primary forging and stamping and the centre bore of inside, one-pass molding simplify processed
Journey.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of flake ring；
Fig. 2 is the structural schematic diagram after blank cold forging；
Fig. 3 is the structural schematic diagram of the mold of this case.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, the foregoing end other objects of the utility model, spy
Sign, aspect and advantage will be apparent, and so that those skilled in the art can carry out according to the description.Attached
In figure, for clarity, shape and size can be amplified, and will be indicated in all figures using identical appended drawing reference
The same or similar component.In the following description, such as center, thickness, height, length, front, back, rear portion, the left side, the right side
The words such as side, top, bottom, top, lower part are to be based on the orientation or positional relationship shown in the drawings.Particularly, " height " is suitable
In size from the top to the bottom, " width " is equivalent to size from left to right, and " depth " is equivalent to vertical ruler
It is very little.These relative terms are to be not intended to need specifically to be orientated for convenience and usually.It is related to attachment, connection etc.
Term (for example, " connection " and " attachment ") refer to these structures by the way that intermediate structure is fixed directly or indirectly to one another or is attached
Relationship and movable or rigidly attached or relationship, unless otherwise clearly stating.
- Fig. 3 referring to Fig.1, flake ring include:
Interconnecting piece is annular structure, offers centre bore on interconnecting piece；
Limiting section is the protrusion for being symmetricly set on interconnecting piece two sides.
Mold for cold forging flake ring includes:
Upper mold 50 is arranged inside and squeezes formed punch 100, and upper extruding formed punch 100 is used to apply extruding force to blank；
Lower die 60 is arranged inside cavity plate 602, the groove to match with limiting section is offered on the inner sidewall of cavity plate；
Lower bolster 70 is set to the lower section of lower die 60, lower extruding formed punch 90 is provided on lower bolster 70, and lower extruding is rushed
90 penetrate in cavity plate 602, and lower extruding formed punch 90 is for extrusion billet center to form centre bore 101 and by material into groove
It squeezes to form protrusion 102；
Wherein, upper mold 50 and lower die 60 form an open cold extrusion die cavity after molding.
Wherein, further including upper die holder 30, lower bolster 40 is provided with below upper die holder 30, lower bolster 40 is connected with upper mold 50,
Upper die holder 30, which drives, squeezes the movement of formed punch 100 to apply extruding force to blank.
Wherein, the lower section of lower bolster 70 is provided with lower die holder 80.
Wherein, the lower upper surface for squeezing formed punch 90 is lower than the upper surface of cavity plate 602.
Wherein, positioning column 501 is provided in upper mold 50.
Wherein, the location hole 601 to match with positioning column 501 is provided in lower die 60.
Wherein, after upper mold 50 and lower die 60 mold, one is freely formed between 50 lower end surface of upper mold and the upper surface of lower die 60
Flange 201.
The process of flake ring: blank is placed on cavity plate 602, progress cold forging extruding, under upper extruding formed punch 100
Row applies lower pressure to blank, forms it in cavity plate 602, lower extruding formed punch 90 squeezes to be formed in blank center position
Centre bore 101, and constantly squeeze material to groove, to form the protrusion 101 of flake ring, and extra material enters
To being freely formed flange 201 between upper mold 50 and the end face of lower die 60, so that the extruding force that cavity plate 602 is subject to is alleviated,
After the completion of extruding, upper 100 uplink of extruding formed punch retracts, and blank obtains part 20 after forging and pressing, and carries out following process to part 20
Flake ring 10 can be formed.
From the above mentioned, after the cold forging die upper die and lower die molding of this case the type chamber that is formed be it is open, squeezing
Cheng Zhong, extra material can be freely formed flange between upper die and lower die so that lower die be not easy in cold forging processes it is suffered
Pressure reduction, will not crack, improve the service life of mold；Be provided on cold forging die squeeze formed punch and it is lower squeeze
Formed punch is pressed, the external structure of flake ring can be formed during primary forging and stamping and the centre bore of inside, one-pass molding simplify
Process.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details with novel.
Claims (7)
1. a kind of mold for cold forging flake ring, the flake ring include:
Interconnecting piece offers centre bore thereon；
Limiting section is the protrusion for being symmetricly set on the interconnecting piece two sides；
It is characterized in that, the mold for cold forging flake ring includes:
Upper mold, is arranged inside extruding formed punch, and the upper extruding formed punch is used to apply extruding force to blank；
Lower die is arranged inside cavity plate, the groove to match with the limiting section is offered on the inner sidewall of the cavity plate；
Lower bolster is set to the lower section of the lower die, and lower extruding formed punch, and the lower extruding punching are provided on the lower bolster
Head penetrates in the cavity plate, and lower the extrudings formed punch is used for extrusion billet center to form centre bore and by material to the groove
Interior extruding is to form protrusion；
Wherein, an open cold extrusion die cavity is formed after the upper die and lower die molding.
2. being used for the mold of cold forging flake ring as described in claim 1, which is characterized in that it further include upper die holder, the upper mold
Seat lower section is provided with lower bolster, and the lower bolster is connected with the upper mold, and the upper die holder drives the upper extruding formed punch mobile
To apply extruding force to blank.
3. being used for the mold of cold forging flake ring as described in claim 1, which is characterized in that be provided with below the lower bolster
Lower die holder.
4. being used for the mold of cold forging flake ring as described in claim 1, which is characterized in that the lower upper surface for squeezing formed punch
Lower than the upper surface of cavity plate.
5. being used for the mold of cold forging flake ring as described in claim 1, which is characterized in that be provided with positioning in the upper mold
Column.
6. as claimed in claim 5 be used for cold forging flake ring mold, which is characterized in that be provided in the lower die with it is described
The location hole that positioning column matches.
7. being used for the mold of cold forging flake ring as described in claim 1, which is characterized in that the upper mold and the lower die mold
Afterwards, a flange is freely formed between the upper mold lower end surface and the upper surface of the lower die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820380589.6U CN208288906U (en) | 2018-03-20 | 2018-03-20 | A kind of mold for cold forging flake ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820380589.6U CN208288906U (en) | 2018-03-20 | 2018-03-20 | A kind of mold for cold forging flake ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208288906U true CN208288906U (en) | 2018-12-28 |
Family
ID=64694548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820380589.6U Expired - Fee Related CN208288906U (en) | 2018-03-20 | 2018-03-20 | A kind of mold for cold forging flake ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208288906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369327A (en) * | 2021-06-11 | 2021-09-10 | 中国兵器工业第五九研究所 | Open cavity circular extrusion process |
-
2018
- 2018-03-20 CN CN201820380589.6U patent/CN208288906U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369327A (en) * | 2021-06-11 | 2021-09-10 | 中国兵器工业第五九研究所 | Open cavity circular extrusion process |
| CN113369327B (en) * | 2021-06-11 | 2022-04-12 | 中国兵器工业第五九研究所 | Open cavity circular extrusion process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181228 |