CN201524743U - Necking mould used for forming pressure vessel sealing heads on hydraulic press by one step - Google Patents
Necking mould used for forming pressure vessel sealing heads on hydraulic press by one step Download PDFInfo
- Publication number
- CN201524743U CN201524743U CN200920196261XU CN200920196261U CN201524743U CN 201524743 U CN201524743 U CN 201524743U CN 200920196261X U CN200920196261X U CN 200920196261XU CN 200920196261 U CN200920196261 U CN 200920196261U CN 201524743 U CN201524743 U CN 201524743U
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- slide block
- hydraulic press
- reducing
- die
- pressure vessel
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Abstract
A necking mould used for forming pressure vessel sealing heads on a hydraulic press by one step comprises an upper mold seat, a head pressing component, a sizing slide block, a necking die, an elastomer, a lower die fixing plate, a bearing plate, a lower die holder, an inclined wedge ejector rod and a bolt. When the upper cross beam of the hydraulic press drives the upper mould to move downwards, the sizing slide block is in shrunken state, and large clearance is formed between the necking die and the sizing slide block, so that blank material can be squeezed into the necking die smoothly, material cannot be stacked lengthways in a sealing head, and necking is realized; and then the push-out device of the hydraulic press is used to push the inclined wedge ejector rod to move upwards, so that the sizing slide block is opened, the necking part can be sized, wrinkling produced during necking can be eliminated, and the precision requirements of a part can be met. The mould provided by the utility model has the advantages of simple structure, high dimensional precision of a formed part, and high formation efficiency, that is, the formation efficiency is two to three times that of spinning formation.
Description
Technical field
The utility model relates to a kind of one-time-shaped mould, relates in particular to a kind ofly to suppress on hydraulic press, can make the one-time formed mould of pressure vessel head reducing.
Background technology
The method that the necking forming of general pressure vessel head adopts is a spinning, and rotary press modelling easily causes the circularity of reducing low (being ovalize), brings difficulty for the pressure vessel assembling in later stage.In addition, the shaping efficiency of spinning is low.
Have the researcher to attempt utilizing mould to realize the necking forming of pressure vessel head, the mould structure form has two kinds, is divided into unbraced structure or rigidity supporting structure.The circumferential unstability (wrinkling) of end socket easily takes place in the unbraced structure mould when being shaped.When adopting rigidity supporting structure, can avoid circumferential unstability, but the gap between support member and the reducing die is difficult to regulate evenly, metal accumulation easily takes place longitudinally and can not moulding when being shaped.
Summary of the invention
The purpose of this utility model be to disclose a kind of on hydraulic press briquetting pressure vessel head reducing mould once, can overcome the unbraced structure mould circumferentially wrinkling defective of end socket easily takes place when being shaped, can overcome the rigidity supporting structure mould again the defective of metal accumulation longitudinally easily takes place when moulding.
The technical scheme that the utility model adopted is, described on hydraulic press briquetting pressure vessel head reducing mould once, comprise upper bolster, pressure head, school shape slide block, reducing die, elastomer, counterdie fixed head, backing plate, die shoe and wedge push rod.Described pressure head is fixed in upper bolster.Described reducing die is fixed in described counterdie fixed head.School shape slide block is arranged in the endoporus of reducing die, counterdie fixed head, and described reducing die and described school shape slide block form the gap.Described school shape slide block upper surface and described reducing die upper surface are on same plane, and described school shape slide block lower surface places on the backing plate, and with bolt the two is connected.Be made up of first slide block and second slide block on the shape slide block of described school, first slide block and second slide block are symmetry.The upper end of described wedge push rod is tapered, and the lower end is stepped, and the wedge push rod is positioned at the through hole of school shape slide block, backing plate and die shoe.All have groove on school shape slide block and the counterdie fixed head, elastomer is arranged in the cavity that described groove and backing plate surround.
The upper end, ladder position of described wedge push rod becomes matched in clearance with the centre bore of backing plate.
Through hole on described die holder, backing plate and the school shape slide block is the through hole at die holder, backing plate and shape slide block center, school.
Described first slide block and the second slide block semicircular in shape.
Through hole on the shape slide block of described school is tilted prick hole, and matches with the upper end cone of wedge push rod.
Gap between through hole on described reducing die and the counterdie fixed head and the school shape slide block is 2-3mm, and preferred 3mm.
Described elastomer is meant the material that can recover its original form after deformation rapidly, and its material can be selected from macromolecular materials such as natural rubber, synthetic rubber and polyurethane, also can be selected from spring.
The beneficial effects of the utility model:
Described in the utility model on hydraulic press briquetting pressure vessel head reducing mould once, the inner supporting structure of employing activity---school shape slide block.When carrying out reducing, school shape slide block is in contraction state, keeps very big gap between mould and the support (school shape slide block), can make blank clamp-on reducing die smoothly, and end socket vertically can not piled up by generating material, realizes reducing.Utilize the following liftout attachment of hydraulic press again, promote the wedge shape push rod and move upward, force school shape slide block to be opened, school shape is carried out at the reducing position, what produce when eliminating reducing is wrinkling, satisfies the part precision requirement.Mould structure of the present utility model is simple, forming part dimensional accuracy height, and shaping efficiency height, be mould pressing 2-3 doubly.
Description of drawings
Fig. 1 is the structure chart of the last briquetting pressure vessel head of the utility model hydraulic press reducing mould;
Structure chart when Fig. 2 is the reducing of the last briquetting pressure vessel head of the utility model hydraulic press reducing mould;
Structure chart when Fig. 3 is the last briquetting pressure vessel head of the utility model hydraulic press reducing mould school shape;
Fig. 4 is the structure chart of the last briquetting pressure vessel head of the utility model hydraulic press reducing mould school shape slide block floor projection.
The specific embodiment
In order to make those skilled in the art more understand technical characterstic of the present utility model and particular content, see also following detailed description and accompanying drawing.
In conjunction with Fig. 1 and Fig. 2, the last briquetting pressure vessel head of hydraulic press of the present utility model reducing mould, comprise upper bolster 2, pressure head 3, school shape slide block 4, reducing die 5, elastomer 7, counterdie fixed head 8, backing plate 9, die shoe 11, wedge push rod 13, and bolt 1,6,10 and 12 is formed.Pressure head 3 is fixed on the upper bolster 1 by bolt 1, constitutes patrix.Reducing die 5 is fixed on the counterdie fixed head 8 by bolt 6.School shape slide block 4 is made up of semicircle first slide block 41 and semicircle second slide block 42, and first slide block 41 and second slide block 42 are axisymmetricly.School shape slide block 4 is arranged in the endoporus of reducing die 5 and counterdie fixed head 8, and form 3mm gaps 43 with school shape slide block 4, the upper surface of school shape slide block 4 and the upper surface of reducing die 5 are on same plane, school shape slide block 4 by bolt 12 fixing with backing plate 9 on, on school shape slide block 5, bolt hole 51 is arranged, the diameter of bolt hole 51 has certain freedom of motion than the big 5mm of diameter of bolt 12 in the horizontal direction to guarantee school shape slide block.Tapped through hole 91 is arranged, the misalignment of axe 4mm of bolt hole 51 and screwed hole 91 on backing plate 9.Bolt 10 couples together counterdie fixed head 8, backing plate 9, die shoe 11, constitutes counterdie.
School shape slide block 4 has groove 45, has groove 81 on the counterdie fixed head 8, and elastomer 7 is arranged in the cavity that described groove 45,81 and backing plate 9 surround.
Patrix is descending, when carrying out reducing, because elastomer 7 is in the elasticity straight configuration, force school shape slide block 4 to be in contraction state, the endoporus of reducing die 5 and counterdie fixed head 8 and school shape slide block 4 form 3mm gap 43, end socket 100 can be clamp-oned reducing die 5 smoothly, and end socket 100 vertically can not piled up by generating material, realizes reducing.Patrix is up, pressure head is risen, drive the hydraulic press liftout attachment again, promote wedge push rod 13 and move upward its wedge shape cone 131, promote semicircle first slide block 41 and 42 horizontal displacements of semicircle second slide block by the wedge shape through hole 44 that cooperates with it, school shape slide block 4 is opened, and school shape slide block 4 clamps end socket 100 with reducing die 5, realizes the school shape to the reducing position, what produce when eliminating reducing is wrinkling, satisfies the part precision requirement.
Fig. 3 is the floor projection of the school shape slide block of the last briquetting pressure vessel head of the utility model hydraulic press reducing mould, dotted line among the figure is the reset condition (contraction state) of school shape slide block 4, and the solid line among the figure is a state (promptly proofreading and correct reducing) behind shape slide block 4 horizontal openings of school.Behind semicircle first slide block 41 and semicircle second slide block, 42 horizontal openings, the space 40 of 4mm appears between two slide blocks.In the gap, reducing end socket 100 can not obtain proofreading and correct.For overcoming this defective, during practical operation, after end socket 100 can being rotated to an angle, proofread and correct once more, just can make each position of reducing end socket obtain proofreading and correct.
Claims (6)
1. the last briquetting pressure vessel head of a hydraulic press reducing mould is characterized in that, comprises upper bolster, pressure head, school shape slide block, reducing die, elastomer, counterdie fixed head, backing plate, die shoe, wedge push rod and bolt; Wherein, pressure head is fixed in upper bolster; Reducing die is fixed on the counterdie fixed head, and school shape slide block is arranged in the endoporus of reducing die, counterdie fixed head, and the upper surface of described school shape slide block and described reducing die keeps certain clearance on same plane between the two; School shape slide block is made up of first slide block and second slide block, and first slide block and second slide block are symmetry; School shape slide block is connected with bolt with backing plate, and the connection rear slider is in static in vertical direction, and certain space is arranged in the horizontal direction; The wedge push rod is arranged in the through hole on described die shoe, backing plate and the school shape slide block; All have groove on described school shape slide block and the described counterdie fixed head, elastomer is arranged in the cavity that described groove and described backing plate surround.
2. the last briquetting pressure vessel head of hydraulic press according to claim 1 reducing mould, it is characterized in that, described wedge push rod is positioned at the through hole of school shape slide block, backing plate and die holder, the upper end of wedge push rod is tapered, the lower end body of rod is stepped, and stair-stepping upper end becomes matched in clearance with the centre bore of backing plate.
3. the last briquetting pressure vessel head of hydraulic press according to claim 1 reducing mould is characterized in that described first slide block and the second slide block semicircular in shape.
4. the last briquetting pressure vessel head of hydraulic press according to claim 1 reducing mould is characterized in that the through hole on the shape slide block of described school is oblique cone, and matches with the upper end of described wedge push rod.
5. the last briquetting pressure vessel head of hydraulic press according to claim 1 reducing mould is characterized in that the gap between described reducing die and the school shape slide block is 3mm.
6. the last briquetting pressure vessel head of hydraulic press according to claim 1 reducing mould is characterized in that described elastomer is rubber or spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920196261XU CN201524743U (en) | 2009-09-17 | 2009-09-17 | Necking mould used for forming pressure vessel sealing heads on hydraulic press by one step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920196261XU CN201524743U (en) | 2009-09-17 | 2009-09-17 | Necking mould used for forming pressure vessel sealing heads on hydraulic press by one step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201524743U true CN201524743U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920196261XU Expired - Fee Related CN201524743U (en) | 2009-09-17 | 2009-09-17 | Necking mould used for forming pressure vessel sealing heads on hydraulic press by one step |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201524743U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632159A (en) * | 2012-05-14 | 2012-08-15 | 宜兴市联丰化工机械有限公司 | Head composite die |
| CN106040850A (en) * | 2016-06-01 | 2016-10-26 | 安徽蓝华金属科技股份有限公司 | Mold mechanism capable of achieving full-automatic sealing of oil tank seal head of heavy-duty truck |
| CN107537949A (en) * | 2017-07-24 | 2018-01-05 | 浙江金盾消防器材有限公司 | A kind of gas cylinder end socket, back cover reducing device |
| CN110116171A (en) * | 2019-05-29 | 2019-08-13 | 远军热能动力科技有限公司 | Necking processing mold and its processing method in a kind of workpiece |
| CN112247007A (en) * | 2020-09-24 | 2021-01-22 | 台州重友焊接设备有限公司 | Automatic necking machine for seal head |
-
2009
- 2009-09-17 CN CN200920196261XU patent/CN201524743U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632159A (en) * | 2012-05-14 | 2012-08-15 | 宜兴市联丰化工机械有限公司 | Head composite die |
| CN106040850A (en) * | 2016-06-01 | 2016-10-26 | 安徽蓝华金属科技股份有限公司 | Mold mechanism capable of achieving full-automatic sealing of oil tank seal head of heavy-duty truck |
| CN107537949A (en) * | 2017-07-24 | 2018-01-05 | 浙江金盾消防器材有限公司 | A kind of gas cylinder end socket, back cover reducing device |
| CN110116171A (en) * | 2019-05-29 | 2019-08-13 | 远军热能动力科技有限公司 | Necking processing mold and its processing method in a kind of workpiece |
| CN110116171B (en) * | 2019-05-29 | 2024-03-29 | 远军热能动力科技有限公司 | Workpiece inner shrinkage processing die and processing method thereof |
| CN112247007A (en) * | 2020-09-24 | 2021-01-22 | 台州重友焊接设备有限公司 | Automatic necking machine for seal head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20120917 |