CN204975003U - Water container for water heater thin wall fine blanking mould for head - Google Patents
Water container for water heater thin wall fine blanking mould for head Download PDFInfo
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- CN204975003U CN204975003U CN201520608261.1U CN201520608261U CN204975003U CN 204975003 U CN204975003 U CN 204975003U CN 201520608261 U CN201520608261 U CN 201520608261U CN 204975003 U CN204975003 U CN 204975003U
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Abstract
The utility model relates to a water container for water heater thin wall fine blanking mould for head. Be the punching press fracture of the water container for water heater inner bag head of hot rolling glassed steel more than the yield strength 330MPa and the technical problem that the punching press is bulged to the material in mainly solving prior art. The utility model provides an including the die, go up blank holder, ring and terrace die, the main hydraulic cylinder fixed connection of blank holder and hydraulic press is gone up to die and last blank holder fixed connection, the operation platform fixed connection that the pneumatic cylinder is connected is assisted with the hydraulic press to the terrace die, the mould elasticity pressure guide arm fixed connection that hydraulic cylinder base went up the setting is assisted with the hydraulic press to the ring, the ring is equipped with the station of fixing the stamping workpiece, characterized by, last blank holder constitutes by last blank holder outer lane, stone cotton yarn gasket, embedded wolfram steel circle, stone cotton yarn gasket is located between blank holder outer lane and embedded wolfram steel encloses. The utility model discloses simple structure, low in manufacturing cost treat the strong adaptability of punching press steel sheet.
Description
Technical field
The utility model relates to mould applications, particularly a kind of water-heater water tank thin-walled vessel head fine blanking die.
Background technology
Existing water heater industry press-bearing water tank used adopts cold rolling glassed steel inner bag, and inner bag blank generally adopts biconvex end socket and ladle body welding to make.Head pressing mould generally adopts 45# steel entirety or rolls mould steel 12Cr1MoV is that material is made into mould, liner end enclosure wall thickness is generally 2.0-3.0mm, for thin-walled vessel head, the yield strength of the cold rolling glassed steel adopted is 245MPa, its percentage elongation is high, anisotropy is little, and rammed ellipse garden thin-walled vessel head can reach designing requirement.
In order to improve the water storage bearing ability of water heater pressure-bearing water tank further, reduce water heater pressure-bearing water tank manufacturing cost, water-heater water tank uses hot rolling glassed steel inner bag instead, the yield strength of hot rolling glassed steel is more than 330MPa, the thickness of slab of hot rolling glassed steel is thinned to 1.8mm, because of the intensity rank of glassed steel used and the change of thickness specification, when causing punch process tank bulkhead, the ratio of stamping cracking and bulge defect is higher, and the shaping lumber recovery of head pressing is low; Partly can solve head pressing cracking by the percentage elongation improving hot rolling glassed steel, but head pressing bulge cannot be solved.
Be that stamping cracking and the punching press bulge of the liner for water tank of water heater end socket of yield strength 330MPa above hot rolling glassed steel lacks effective solution to material in prior art.
Summary of the invention
The purpose of this utility model is to provide a kind of water-heater water tank thin-walled vessel head fine blanking die, is mainly the stamping cracking of liner for water tank of water heater end socket and the technical problem of punching press bulge of the above hot rolling glassed steel of yield strength 330MPa to material in solution prior art.
The technical solution adopted in the utility model is:
A kind of water-heater water tank thin-walled vessel head fine blanking die, comprise die, upper blank holder, backing ring and punch, die is fixedly connected with upper blank holder, upper blank holder is fixedly connected with the main hydraulic cylinder of hydraulic press, the operating platform that punch is connected with the auxiliary hydraulic cylinder of hydraulic press is fixedly connected with, backing ring presses guide rod to be fixedly connected with the mould elasticity that the auxiliary hydraulic cylinder base of hydraulic press is arranged, backing ring is provided with the station of fixed punch casting die, it is characterized in that, described upper blank holder is by upper blank holder outer ring, asbestos yarn pad, embedded wolfram steel circle composition, asbestos yarn pad is between upper blank holder outer ring and embedded wolfram steel circle.
On the utility model, blank holder adopts split-type design, the upper blank holder that split type upper blank holder overcomes existing integral type treats stamping steel plate yield strength and thickness cannot adaptive defect, the asbestos yarn pad filling out pad between upper blank holder outer ring and embedded wolfram steel circle can regulate the gap between embedded wolfram steel circle and upper blank holder outer ring mating surface, after punching press matched moulds, make stamping parts Uniform Flow between upper blank holder and backing ring.
On when punching press there is stress and concentrate in blank holder R angle, in integral type blank holder R valley too little Yi cause the interior of upper blank holder to peel off along the recessed fatigue cracking of R, therefore in integral type, the R valley of blank holder is difficult to match with stamping steel plate thickness; The utility model adopts split type upper blank holder design, and the embedded wolfram steel circle R valley of upper blank holder is 2.0 ~ 3.0 times of best results of steel plate thickness to be punched, achieves mate with steel plate thickness to be punched, peels off in embedded wolfram steel circle along ftractureing.
The shape of stamping parts determined by the cavity formed after die, upper blank holder and punch matched moulds.
The utility model has following good effect compared to existing technology:
1. the utility model is by improving the upper blank holder design of existing water-heater water tank thin-walled vessel head fine blanking die, mould structure is simple, achieve water-heater water tank thin-walled vessel head punching press bulge ratio obviously to reduce, be reduced within 0.4% by adopting 8% ratio of scrapping of existing water-heater water tank thin-walled vessel head fine blanking die, the employing of water-heater water tank thin-walled vessel head fine blanking die other parts and hydraulic press is original-pack joins, the low cost of manufacture of mould.
2. the utility model mould is significantly given by force the adaptability of stamping steel plate.Both adapt to other cold-rolled steel sheet of low intensity level, be adapted to again the hot rolled steel plate that yield strength is greater than the middle high intensity levels of 330MPa.
3. the utility model is by adopting embedded wolfram steel circle, the end socket lateral wall of stamping parts without plucking problem, the shaping presentation quality of the end socket improved greatly; Treat stamping steel plate not need to smear punching oil again, reduce follow-up degreasing process difficulty, improve production efficiency; The size of steel plate blanking to be punched can reduce by head accordingly, and can improve the utilization rate of steel plate materials, as the end socket to diameter 350, the blanking raw materials size of steel plate by 450mm, can be decreased to 444mm, and stock utilization can improve more than 1.0%.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing 1 is the utility model structural representation.
Accompanying drawing 2 is blank holder structural representation on the utility model.
Description of symbols in figure:
1-die; The upper blank holder of 2-, 3-steel plate to be punched, 4-backing ring, 5-punch, the upper blank holder outer ring of 6-, 7-asbestos yarn pad, the embedded wolfram steel circle of 8-, R is recessed for 9-embedded wolfram steel circle.
Detailed description of the invention
With reference to Fig. 1, 2, a kind of water-heater water tank thin-walled vessel head fine blanking die, comprise die 1, upper blank holder 2, backing ring 4 and punch 5, die 1 is fixedly connected with upper blank holder 2, upper blank holder 2 is fixedly connected with the main hydraulic cylinder of hydraulic press, the operating platform that punch 5 is connected with the auxiliary hydraulic cylinder of hydraulic press is fixedly connected with, backing ring 4 presses guide rod to be fixedly connected with the mould elasticity that the auxiliary hydraulic cylinder base of hydraulic press is arranged, backing ring 4 is provided with the station of two fixed punch casting dies, it is characterized in that, described upper blank holder 2 is by upper blank holder outer ring 6, asbestos yarn pad 7, embedded wolfram steel circle 8 forms, asbestos yarn pad 7 is between upper blank holder outer ring 6 and embedded wolfram steel circle 8, recessed 9 values of embedded wolfram steel circle R are 2.5 times of steel plate 3 thickness to be punched
During punch process operation, steel plate 3 to be punched is positioned on the station of fixed punch casting die of backing ring 4, adjusting mould makes die 1, upper blank holder 2, steel plate to be punched 3, backing ring 4 and punch 5 must be centrally located on the same longitudinal axis, configure the stroke, drawing velocity, the flanging value parameter that comprise hydraulic press, start hydraulic press and stamp out water-heater water tank thin-walled vessel head.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (2)
1. a water-heater water tank thin-walled vessel head fine blanking die, comprise die, upper blank holder, backing ring and punch, die is fixedly connected with upper blank holder, upper blank holder is fixedly connected with the main hydraulic cylinder of hydraulic press, the operating platform that punch is connected with the auxiliary hydraulic cylinder of hydraulic press is fixedly connected with, backing ring presses guide rod to be fixedly connected with the mould elasticity that the auxiliary hydraulic cylinder base of hydraulic press is arranged, backing ring is provided with the station of fixed punch casting die, it is characterized in that, described upper blank holder is by upper blank holder outer ring, asbestos yarn pad, embedded wolfram steel circle composition, asbestos yarn pad is between upper blank holder outer ring and embedded wolfram steel circle.
2. a kind of water-heater water tank thin-walled vessel head fine blanking die as claimed in claim 1, is characterized in that: the embedded wolfram steel circle R valley of described upper blank holder is 2.0 ~ 3.0 times of steel plate thickness to be punched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520608261.1U CN204975003U (en) | 2015-08-13 | 2015-08-13 | Water container for water heater thin wall fine blanking mould for head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520608261.1U CN204975003U (en) | 2015-08-13 | 2015-08-13 | Water container for water heater thin wall fine blanking mould for head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204975003U true CN204975003U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520608261.1U Active CN204975003U (en) | 2015-08-13 | 2015-08-13 | Water container for water heater thin wall fine blanking mould for head |
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| Country | Link |
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| CN (1) | CN204975003U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517720A (en) * | 2020-12-19 | 2021-03-19 | 河南江州电气有限公司 | Waterproof top cap one shot forming device of mechanism case |
-
2015
- 2015-08-13 CN CN201520608261.1U patent/CN204975003U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112517720A (en) * | 2020-12-19 | 2021-03-19 | 河南江州电气有限公司 | Waterproof top cap one shot forming device of mechanism case |
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