CN109047633A - Four station flange shaft forging molds of one kind and its forging method - Google Patents
Four station flange shaft forging molds of one kind and its forging method Download PDFInfo
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- CN109047633A CN109047633A CN201810933673.0A CN201810933673A CN109047633A CN 109047633 A CN109047633 A CN 109047633A CN 201810933673 A CN201810933673 A CN 201810933673A CN 109047633 A CN109047633 A CN 109047633A
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- forging
- station
- mold
- material section
- lower cavity
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/06—Making machine elements axles or shafts
-
- 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
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/002—Hybrid process, e.g. forging following casting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of four station flange shaft forging molds and its forging methods, wherein forging mold includes the four groups of upper male moulds and lower cavity die sequentially connected side by side by blanking to discharging direction, every group of upper male mould and lower cavity die are positioned opposite on press machine from top to bottom, a mandril is equipped in each lower cavity die, the periphery of every group of lower cavity die is arranged with a housing, at every group between upper male mould and lower cavity die, and the first station that enclosed is hot-forged four station forging processes is followed successively by by blanking to discharging direction, second station, 3rd station and the 4th station, it is initial station at the blanking of first station.The present invention, in order to solve the problems, such as bar portion difficulty full of using positive extruding process is hot-forged, by designing and developing the positive extruding process for adapting to be hot-forged solution burr phenomena, such finish-forging part would not cause to deform due to squeezing bar folding.
Description
Technical field
The present invention relates to the forging technologies of flange shaft, and in particular to four station flange shaft forging molds of one kind and its forging side
Method.
Background technique
Flange forging shaft majority requires equipment using warm forging (being lower than 1000 DEG C) technique production, warm forging technique currently on the market
Tonnage is big, and bar needs the processes such as chamfering, emulsification when warm forging, and manufacturing cost is big, and forging is rolled over when without aforesaid operations
It is folded.And it is so high to warm forging equipment tonnage is not needed in equipment tonnage selection to be hot-forged and (be higher than 1100 DEG C) technique, moreover it is possible to save stick
Overall cost can be reduced by 15% by the processes such as material emulsification.
Hot forging process production method mainly uses forging roll roller bar at present, then carries out open type forging.However hot forging process
Difficult point be, it is not easy to fill since forging bar portion is long, in order to solve the problems, such as that bar portion difficulty is full of, present certain forging methods
Using forging roll roller bar, then forged using open type, but the cost of this method is very high.
In conclusion needing a kind of method for being hot-forged flange shaft at present, not only cost is relatively low, can effectively solve burr and lead
Cause Fold, moreover it is possible to solve the problems, such as that bar portion difficulty is full of.
Summary of the invention
The technical problem to be solved by the present invention is to existing flange shaft forging method higher costs, and what bar portion difficulty was full of asks
Topic.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that providing a kind of four station flange shafts forging
Mold, including the four groups of upper male moulds sequentially connected side by side by blanking to discharging direction and lower cavity die, upper male mould described in every group is under
Cavity plate is positioned opposite on press machine from top to bottom, and a mandril, lower cavity die described in every group are equipped in each lower cavity die
Periphery be arranged with a housing, described in every group between upper male mould and lower cavity die, and be followed successively by and closed to discharging direction by blanking
Formula is hot-forged the first station, second station, 3rd station and the 4th station of four station forging processes, the blanking of first station
Place is initial station.
The present invention also provides a kind of forging methods of four above-mentioned station flange shaft forging molds, comprising the following steps:
Blanking, at the initial station, the cylindrical stock that by diameter be 58mm, a length of 6m, material are No. 45 steel is used
Circular saw is sawn into cylindrical material section, wherein the weight of material section is 1535g ± 5g；Then material section is successively subjected to shot-peening, anaerobic
Change skin, bump injury and heat treatment, wherein heating temperature is 1150-1200 DEG C；
Jumping-up, at first station, by the upper male mould at this and lower cavity die to material section jumping-up after, will expect section
Appearance surface oxidized skin purging it is clean；Then it is closed height by adjusting jumping-up, prevents upsetting excessive or deficient upsetting；In first work
Heating temperature at position is 1150-1200 DEG C；
It just squeezes, material section is put on the press machine at the second station at once closes vehicle after upset forging, at the station
Mold makes to expect that section forms the shape for just squeezing work step；
Blocking, material section is immediately placed on the press machine at the 3rd station after just squeezing and closes vehicle, at the station
Mold makes the shape for expecting that section forms blocking work step；
Finish-forging, material section, which is immediately placed on the press machine at the 4th station after blocking, closes vehicle, at the station
Mold makes to expect that section forms finish-forging part；
Heat treatment, finish-forging complete finish-forging part to be put into normalizing furnace conveyer belt, and the cooling finish-forging part of the blower on conveyer belt makes end
Forging drops to 600 DEG C hereinafter, into normalizing burner hearth, is warming up to 860 DEG C to finish-forging part in normalizing burner hearth, then carry out it is air-cooled, most
Finish-forging part is packed into cartonning afterwards.
In the above scheme, when carrying out shot-peening to material section, bead is carried out to remove original to material section using shot-blasting machine
Material oxidation skin.
In the above scheme, when to material section blanking heating, reach its temperature material section heating using medium-frequency electrical heating
1150-1200℃。
In the above scheme, when carrying out jumping-up to material section, mold is sprayed after being first mixed in a certain ratio with graphite and water
Row lubrication is injected, jumping-up processing is then carried out to the material section after heating by mold using 2000t hotdie forging press, this
When will material section pressure is short makes its maximum outside diameter close to 65mm, then will expect section scale removal and be put into the mold of the second station
Place's positioning.
In the above scheme, at the second station, to mold ejector after being first mixed in a certain ratio with graphite and water
It is lubricated cooling, makes burr < 0.5mm.
In the above scheme, at the 3rd station, to mold ejector after being first mixed in a certain ratio with graphite and water
It is lubricated cooling, makes burr < 1mm.
In the above scheme, right after being mixed in a certain ratio respectively with graphite and water in each four work steps forming process
Mold ejector is lubricated and is cooled down.
The present invention, in order to solve the problems, such as bar portion difficulty full of using positive extruding process is hot-forged, by designing and developing adaptation hot forging
Positive extruding process solves burr phenomena, and such finish-forging part would not cause to deform due to squeezing bar folding.
Detailed description of the invention
Fig. 1 is appearance schematic diagram of the invention；
Fig. 2 is work step figure of the material section at initial station in the present invention；
Fig. 3 is work step figure of the material section at the first station in the present invention；
Fig. 4 is work step figure of the material section at second station in the present invention；
Fig. 5 is work step figure of the material section at 3rd station in the present invention；
Fig. 6 is the work step figure at material tetra- station of Duan in the present invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings of the specification.
The invention discloses a kind of four station flange shaft forging molds and its forging method, those skilled in the art to borrow
Reflect present disclosure, is suitably modified realization of process parameters.It is important to note that all similar substitutions and modifications are to this field
It is it will be apparent that they are considered as being included in the present invention for technical staff, and related personnel can obviously not depart from
Content described herein is modified on the basis of the content of present invention, spirit and scope or appropriate changes and combinations, realizing and
Using the technology of the present invention.
In invention, unless otherwise stated, Science and Technology noun used herein has those skilled in the art
The normally understood meaning of member institute.
As shown in Figures 1 to 6, a kind of four stations flange shaft forging mold provided by the invention, including by blanking to discharging
The four groups of upper male moulds 1 and lower cavity die 2 that direction sequentially connects side by side, every group of upper male mould 1 and lower cavity die 2 from top to bottom it is positioned opposite in
On press machine 5, a mandril 3 is equipped in each lower cavity die 2, the periphery of every group of lower cavity die 2 is arranged with a housing 4, every
Between group upper male mould 1 and lower cavity die 2, and the first work that enclosed is hot-forged four station forging processes is followed successively by by blanking to discharging direction
Position 6, second station 7,3rd station 8 and the 4th station 9, wherein being initial station 10 at the blanking of the first station 6.
The present invention also provides a kind of forging methods of four above-mentioned station flange shaft forging molds, comprising the following steps:
1, blanking, at initial station 10, the cylindrical stock that by diameter be 58mm, a length of 6m, material are No. 45 steel is used
Circular saw is sawn into cylindrical material section, wherein the weight of material section is 1535g ± 5g；Then material section is successively subjected to shot-peening, anaerobic
Change skin, bump injury and heat treatment, wherein carrying out bead to material section using shot-blasting machine when carrying out shot-peening to material section with clear
Except raw material oxide skin, when to material section blanking heating, heating temperature is 1150-1200 DEG C, using medium-frequency electrical heating to material section
Heating makes its temperature reach 1150-1200 DEG C.
2, jumping-up after 2 pairs of material section jumping-ups of upper male mould 1 and lower cavity die at this, will expect section at the first station 6
Appearance surface oxidized skin purging is clean；Then it is closed height by adjusting jumping-up, prevents upsetting excessive or deficient upsetting；At the first station 6
Heating temperature be 1150-1200 DEG C；
When carrying out jumping-up to material section, mold ejector is lubricated after being first mixed in a certain ratio with graphite and water cold
But, jumping-up processing is then carried out to the material section after heating by mold using 2000t hotdie forging press, will expects that section pressure is short at this time
Make its maximum outside diameter close to 65mm, then will expect section scale removal and be put at the mold of second station 7 to position.
3, it just squeezes, material section is put on the press machine 5 at second station 7 at once closes vehicle after upset forging, at the station
Mold makes to expect that section forms the shape for just squeezing work step；At second station 7, (part A in such as Fig. 4) uses graphite at the upper edge of material section
Cooling is lubricated to mold ejector after being mixed in a certain ratio with water, when making burr < 0.5mm, and injection can be extended in due course
Between.
4, blocking, material section is immediately placed on the press machine 5 at 3rd station 8 after just squeezing and closes vehicle, at the station
Mold makes the shape for expecting that section forms blocking work step；At 3rd station 8, (part B in such as Fig. 4) uses graphite at the upper edge of material section
Cooling is lubricated to mold ejector after being mixed in a certain ratio with water, makes burr < 1mm.
5, finish-forging, material section, which is immediately placed on the press machine 5 at the 4th station 9 after blocking, closes vehicle, at the station
Mold makes to expect that section forms finish-forging part；
6, it is heat-treated, finish-forging completes finish-forging part to be put into normalizing furnace conveyer belt, and the cooling finish-forging part of the blower on conveyer belt makes
Finish-forging part drops to 600 DEG C hereinafter, into normalizing burner hearth, is warming up to 860 DEG C to finish-forging part in normalizing burner hearth, then carry out it is air-cooled,
Finish-forging part is finally packed into cartonning.So far forging is completed, and subsequent there are also cleaning, the processes such as flaw detection, not in this patent of invention range
It is interior.
In each four work steps forming process, it is in mechanical press by mold that jumping-up-, which is just squeezing-blocking-finish-forging process,
Come what is realized, mold ejector being lubricated and is cooled down after being mixed in a certain ratio respectively with graphite and water, lubrication can reduce friction,
Improve metal flow, to improve working efficiency.
The present invention, in order to solve the problems, such as bar portion difficulty full of using positive extruding process is hot-forged, by designing and developing adaptation hot forging
Positive extruding process solves burr phenomena, and such finish-forging part would not cause to deform due to squeezing bar folding.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn that the knots made under the inspiration of the present invention
Structure variation, the technical schemes that are same or similar to the present invention are fallen within the scope of protection of the present invention.
Claims (8)
1. a kind of four station flange shaft forging molds, which is characterized in that including what is sequentially connected side by side by blanking to discharging direction
Four groups of upper male moulds and lower cavity die, upper male mould described in every group and lower cavity die are positioned opposite on press machine from top to bottom, each described
A mandril is equipped in lower cavity die, the periphery of lower cavity die described in every group is arranged with a housing, the upper male mould described in every group and
Between lower cavity die, and by blanking to discharging direction be followed successively by enclosed be hot-forged the first station of four station forging processes, second station,
3rd station and the 4th station are initial station at the blanking of first station.
2. a kind of forging method of four stations flange shaft forging mold as described in claim 1, which is characterized in that including following
Step:
Blanking, at the initial station, by diameter be 58mm, a length of 6m, material are No. 45 steel cylindrical stock disk
It is sawn into cylindrical material section, wherein the weight of material section is 1535g ± 5g；Then will material section successively carry out shot-peening, non-scale,
Bump injury and heat treatment, wherein heating temperature is 1150-1200 DEG C；
Jumping-up, at first station, by the upper male mould at this and lower cavity die to material section jumping-up after, will expect the outer of section
Surface scale purging is clean；Then it is closed height by adjusting jumping-up, prevents upsetting excessive or deficient upsetting；At first station
Heating temperature be 1150-1200 DEG C；
It just squeezes, material section is put on the press machine at the second station at once closes vehicle after upset forging, utilize mold at the station
Make to expect that section forms the shape for just squeezing work step；
Blocking, material section are immediately placed on the press machine at the 3rd station after just squeezing and close vehicle, utilize mold at the station
Make the shape for expecting that section forms blocking work step；
Finish-forging, material section, which is immediately placed on the press machine at the 4th station after blocking, closes vehicle, utilizes mold at the station
Make to expect that section forms finish-forging part；
Heat treatment, finish-forging complete finish-forging part to be put into normalizing furnace conveyer belt, and the cooling finish-forging part of the blower on conveyer belt makes finish-forging part
600 DEG C are dropped to hereinafter, be warming up to 860 DEG C to finish-forging part in normalizing burner hearth into normalizing burner hearth, then carries out air-cooled, finally will
Finish-forging part packs cartonning.
3. the forging method of four stations flange shaft forging mold as claimed in claim 2, which is characterized in that carried out to material section
When shot-peening, bead is carried out to remove raw material oxide skin to material section using shot-blasting machine.
4. the forging method of four stations flange shaft forging mold as claimed in claim 2, which is characterized in that material section blanking
When heating, its temperature is set to reach 1150-1200 DEG C material section heating using medium-frequency electrical heating.
5. the forging method of four stations flange shaft forging mold as claimed in claim 2, which is characterized in that carried out to material section
When jumping-up, cooling is lubricated to mold ejector after being first mixed in a certain ratio with graphite and water, then uses 2000t hot forging
Press machine carries out jumping-up processing to the material section after heating by mold, at this time will material section pressure is short makes its maximum outside diameter close to 65mm,
Then it will expect section scale removal and be put at the mold of the second station to position.
6. the forging method of four stations flange shaft forging mold as claimed in claim 2, which is characterized in that in second work
At position, cooling is lubricated to mold ejector after being first mixed in a certain ratio with graphite and water, makes burr < 0.5mm.
7. the forging method of four stations flange shaft forging mold as claimed in claim 2, which is characterized in that in the third work
At position, cooling is lubricated to mold ejector after being first mixed in a certain ratio with graphite and water, makes burr < 1mm.
8. the forging method of four stations flange shaft forging mold as claimed in claim 2, which is characterized in that in each four work step
In forming process, mold ejector is lubricated and is cooled down after being mixed in a certain ratio respectively with graphite and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810933673.0A CN109047633A (en) | 2018-08-16 | 2018-08-16 | Four station flange shaft forging molds of one kind and its forging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810933673.0A CN109047633A (en) | 2018-08-16 | 2018-08-16 | Four station flange shaft forging molds of one kind and its forging method |
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| CN109047633A true CN109047633A (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810933673.0A Pending CN109047633A (en) | 2018-08-16 | 2018-08-16 | Four station flange shaft forging molds of one kind and its forging method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746362A (en) * | 2019-03-20 | 2019-05-14 | 江苏森威精锻有限公司 | Hub bearing ring flange Multi-station precision forming technology and its realization device |
| CN113172190A (en) * | 2021-04-15 | 2021-07-27 | 沈阳和世泰通用钛业有限公司 | Forging forming method |
| CN116117045A (en) * | 2022-11-08 | 2023-05-16 | 嘉禾精工锻铸有限公司 | Die forging forming method and die forging forming equipment for hydraulic flange |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001121241A (en) * | 1999-10-27 | 2001-05-08 | Aida Eng Ltd | Hollow shaft and producting method thereof |
| CN102284669A (en) * | 2011-06-19 | 2011-12-21 | 江苏森威精锻有限公司 | Precise forming process of flange shaft |
| CN102554086A (en) * | 2012-01-17 | 2012-07-11 | 四川新筑精坯锻造有限公司 | Hot-forging closed forward extrusion method for nine-hole circular anchor ring |
| CN107913967A (en) * | 2017-07-18 | 2018-04-17 | 江苏大洋精锻有限公司 | A kind of clutch can shaping dies and its forming technology |
-
2018
- 2018-08-16 CN CN201810933673.0A patent/CN109047633A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001121241A (en) * | 1999-10-27 | 2001-05-08 | Aida Eng Ltd | Hollow shaft and producting method thereof |
| CN102284669A (en) * | 2011-06-19 | 2011-12-21 | 江苏森威精锻有限公司 | Precise forming process of flange shaft |
| CN102554086A (en) * | 2012-01-17 | 2012-07-11 | 四川新筑精坯锻造有限公司 | Hot-forging closed forward extrusion method for nine-hole circular anchor ring |
| CN107913967A (en) * | 2017-07-18 | 2018-04-17 | 江苏大洋精锻有限公司 | A kind of clutch can shaping dies and its forming technology |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109746362A (en) * | 2019-03-20 | 2019-05-14 | 江苏森威精锻有限公司 | Hub bearing ring flange Multi-station precision forming technology and its realization device |
| CN113172190A (en) * | 2021-04-15 | 2021-07-27 | 沈阳和世泰通用钛业有限公司 | Forging forming method |
| CN113172190B (en) * | 2021-04-15 | 2023-08-22 | 沈阳和世泰通用钛业有限公司 | Forging forming method |
| CN116117045A (en) * | 2022-11-08 | 2023-05-16 | 嘉禾精工锻铸有限公司 | Die forging forming method and die forging forming equipment for hydraulic flange |
| CN116117045B (en) * | 2022-11-08 | 2024-05-31 | 湖南精工锻铸科技有限公司 | Die forging forming method and die forging forming equipment for hydraulic flange |
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