CN208067056U - Hydraulic bulging equipment for pump shell of centrifugal pump - Google Patents
Hydraulic bulging equipment for pump shell of centrifugal pump Download PDFInfo
- Publication number
- CN208067056U CN208067056U CN201820538252.3U CN201820538252U CN208067056U CN 208067056 U CN208067056 U CN 208067056U CN 201820538252 U CN201820538252 U CN 201820538252U CN 208067056 U CN208067056 U CN 208067056U
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- China
- Prior art keywords
- mold core
- plate
- backing plate
- core
- fixed
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- Withdrawn - After Issue
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000011230 binding agent Substances 0.000 claims description 14
- 238000000465 moulding Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a centrifugal pump case water pressure bulging equipment. Comprises an upper die base cover plate, an upper die base, a cylinder die core opening and closing mechanism and the like, wherein the upper die base cover plate is fixed on the upper die base, an upper pressing backing plate is arranged in a hollow cavity arranged on the upper die base, an upper pressing block is fixed on the upper pressing backing plate, the die core is arranged below the upper die base, the upper end of a die core positioning piece is inserted into the hollow cavity arranged on the die core, the die core backing plate is sleeved outside the die core positioning piece and positioned at the bottom of the die core, and is fixedly connected with the mold core, a mold core positioning backing plate is arranged at the bottom of the mold core positioning piece and is fixed on the bottom plate, a material ejecting plate is arranged at the bottom of the mold core backing plate, and the ejector plate is connected with the bottom plate through a connecting piece, the middle parts of the bottom plate, the mold core positioning base plate and the mold core positioning piece are provided with water supply through holes, the bottom of the ejector plate is fixed with a cylinder connecting plate, a cylinder opening and closing mold core mechanism is installed on the cylinder connecting plate, and the acting force of the cylinder opening and closing mold core mechanism acts on the mold core base plate. The utility model relates to a rationally, simple structure, it is with low costs.
Description
Technical field
The utility model is related to a kind of centrifugal pump casing hydraulic pressure bulging equipment, belong to centrifugal pump casing hydraulic pressure bulging equipment
Innovative technology.
Background technology
Centrifugal pump casing generally use casting at present or common punch forming, the pump case precision of casting is relatively low, mechanical property
Can it is poor, can not lightweight, and cast limited material, the centrifugal pump of the materials such as stainless steel can not be made.Common punching press side
Although method can stamp out thin-walled pump case, and can also punching press multiple material, it is general for some more complicated pump cases
Or logical process for stamping can not make or complex process, yield rate is low, and the mechanical property of pump case is poor.
Utility model content
The purpose of this utility model is that considering the above problem and providing centrifugal pump casing hydraulic pressure bulging equipment, this practicality is new
Type reasonable design, it is simple in structure, it is at low cost, it is a kind of convenient and practical centrifugal pump casing hydraulic pressure bulging equipment.
The technical solution of the utility model is：The centrifugal pump casing hydraulic pressure bulging equipment of the utility model, includes upper mold
Flap plate, upper die holder, upper binder backing plate, upper binder, mold core, mold core backing plate, die pad, bottom plate, mold core positioning backing plate, cylinder are opened
Core mechanism, cylinder connecting plate, mold core locating piece are molded, wherein upper die holder cover board is fixed on upper die holder, and upper binder backing plate is placed in
In hollow cavity set by upper die holder, upper binder block is fixed on binder backing plate, and mold core is installed in the lower section of upper die holder, mold core
The upper end of locating piece is inserted into the hollow cavity set by mold core, and mold core backing plate is sleeved on the outside of mold core locating piece and is located at mould
The bottom of core, and connect with mold core is fixed on, mold core positions the bottom of backing plate installing mold core locating piece, and is fixed on bottom plate,
Die pad is installed in the bottom of mold core backing plate, and die pad is connect with bottom plate by connector, bottom plate, mold core positioning backing plate, mould
The middle part of core locating piece is equipped with water supply through-hole, and the bottom of die pad is further fixed on cylinder connecting plate, is equipped on cylinder connecting plate
Cylinder open mold core mechanism, and the active force of cylinder open mold core mechanism acts on mold core backing plate, is opened by mold core backing plate
Mold core.
The utility model carries out stretching expansion shape forming being pump case by filling high pressure water, and can make existing punch forming can not
The complicated pump case of making, simple for process, high yield rate, and ensure that the mechanical property of pump case is preferable.In addition, the utility model is swollen
Shape equipment can easily realize opening and closing mold, improve labor efficiency.In addition, between the mold core backing plate and mold core of the utility model
Installation positioning is realized by the boss that is arranged each other and groove, be conducive to the accurate positionin of mold, make the effect of hydraulic pressure bulging
More preferably.The bulging device structure of the utility model is simple, convenient and practical.
Description of the drawings
Fig. 1 is the installation diagram of the utility model centrifugal pump casing hydraulic pressure bulging equipment；
Fig. 2 is the enlarged drawing at P in Fig. 1；
Fig. 3 is the structural schematic diagram of the utility model mold core；
Fig. 4 is the side view of Fig. 3.
Specific implementation mode
Embodiment：
The structural schematic diagram of the utility model is as shown in Figure 1, 2, the centrifugal pump casing hydraulic pressure bulging equipment of the utility model,
Include upper die holder cover board 1, upper die holder 2, upper binder backing plate 3, upper binder 4, mold core 5, mold core backing plate 6, die pad 7, bottom plate 10,
Mold core positions backing plate 11, cylinder open mold core mechanism 12, cylinder connecting plate 13, mold core locating piece 16, and wherein upper die holder cover board 1 is solid
It is scheduled on upper die holder 2, upper binder backing plate 3 is placed in the hollow cavity set by upper die holder 2, and upper binder block 4 is fixed on pressure pad
On plate 3, mold core 5 is installed in the lower section of upper die holder 2, and the upper end of mold core locating piece 16 is inserted into the hollow cavity set by mold core 5, mould
Core backing plate 6 is sleeved on the outside of mold core locating piece 16 and the bottom positioned at mold core 5, and is connect with mold core 5 is fixed on, and mold core is fixed
Position backing plate 11 installs the bottom of mold core locating piece 16, and is fixed on bottom plate 10, and die pad 7 is installed in the bottom of mold core backing plate 6,
And die pad 7 is connect with bottom plate 10 by connector, bottom plate 10, mold core position backing plate 11, the middle part of mold core locating piece 16 is equipped with
The bottom of water supply through-hole, die pad 7 is further fixed on cylinder connecting plate 13, and cylinder folding mold core machine is equipped on cylinder connecting plate 13
Structure 12, and the active force of cylinder open mold core mechanism 12 acts on mold core backing plate 6, and mold core 5 is opened by mold core backing plate 6.This
In embodiment, mold core 5 is made of three pieces of movable holddowns, and the basic circle of workpiece is pushed down by three pieces of movable holddowns, to realize positioning,
Cylinder open mold core mechanism 12 acts on mold core backing plate 6, and three piece movable holddowns of the mold core backing plate 6 with moving-mould-core 5 realize folding
Movement, to realize compression and the release of workpiece, reduces labor intensity, and improve efficiency.Cylinder open mold core mechanism 12 can lead to
The piston motion band moving-mould-core backing plate 6 crossed in cylinder moves, and three piece movable holddowns of the mold core backing plate 6 with moving-mould-core 5 realize folding
Movement.Three pieces of movable holddowns of mold core 5 are exactly three pieces of movable expansion sets, and the installation between mold core backing plate 6 and mold core 5 by setting each other
The boss and groove set realize positioning, are conducive to the accurate positionin of mold, keep the effect of hydraulic pressure bulging more preferable.
In the present embodiment, the contact surface between above-mentioned bottom plate 10 and mold core positioning backing plate 11 is installed with sealing ring.
In the present embodiment, mold core sliding block 14 is additionally provided between above-mentioned mold core backing plate 6 and die pad 7.Mold core sliding block 14 ensures
Runner position is constant.
In the present embodiment, shaping level flange 15 is equipped between above-mentioned mold core locating piece 16 and mold core 5 and mold core backing plate 6.
In the present embodiment, it is additionally provided with elastic positioning device in above-mentioned mold core locating piece 16, includes positioning column 8 and spring 9,
It is equipped with location hole in mold core locating piece 16, is installed with positioning column 8 in location hole, the top of positioning column 8 can put in mold core backing plate 6
Interior, spring 9 is installed in the bottom of positioning column 8.
The expanding method of the utility model centrifugal pump casing hydraulic pressure bulging equipment, including have the following steps：
1）Plate is utilized into acetylene torch cutting stock；
2）Plate is put into the mold of centrifugal pump casing hydraulic pressure bulging equipment, plate is set in centrifugal pump casing hydraulic pressure bulging
It carries out stretching expansion shape forming being pump case by filling high pressure water in standby；
3）Flange deburring is carried out to pump case；
4）Pump case is modified according to bulging situation.
In the present embodiment, above-mentioned steps 1）Plate be thickness be 2mm steel part.
In the present embodiment, above-mentioned steps 1）Cutting speed be 2000mm/min.
In the present embodiment, above-mentioned steps 3）The power of centrifugal pump casing hydraulic pressure bulging equipment be 37KW.
The course of work of the utility model is：Cylinder open mold core mechanism 12 works, and band dynamic model is moved by mold core backing plate 6
Three pieces of movable holddowns movement of core 5, which is realized, separates mold core 5, is put into workpiece blank, then close by cylinder open mold core mechanism 12
Mold core, closes upper die holder 2 therewith, and upper binder backing plate 3 compresses mold core 5, and high pressure water is from the limbers in mold core 5 and mold core backing plate 6
Middle inflow, pressurize bulging.After molding is completed, cylinder open mold core mechanism 12 opens mold core 5, can be taken off workpiece at this time.
The utility model is compared to other process for stamping, the pump case of the plastic complexity of the utility model；It is swollen compared to rubber
Shape method reduces annealing operation, ageing of rubber bulging power deficiency and rubber loss, each pump case and about saves 2.5 yuan.This practicality
Novel bulging equipment not only had the function of water swelling but also with to the function of flange flanging and restriking, while the problem of also reach optimum position.
Claims (5)
1. a kind of centrifugal pump casing hydraulic pressure bulging equipment, it is characterised in that include upper die holder cover board, upper die holder, upper pressure pad
Plate, upper binder, mold core, mold core backing plate, die pad, bottom plate, mold core positioning backing plate, cylinder open mold core mechanism, cylinder connecting plate,
Mold core locating piece, wherein upper die holder cover board are fixed on upper die holder, and upper binder backing plate is placed in the hollow cavity set by upper die holder,
Upper binder block is fixed on binder backing plate, and mold core is installed in the lower section of upper die holder, and mold core institute is inserted into the upper end of mold core locating piece
If hollow cavity in, mold core backing plate be sleeved on the outside of mold core locating piece and positioned at mold core bottom, and be fixed on mold core
Connection, mold core position the bottom of backing plate installing mold core locating piece, and are fixed on bottom plate, and die pad is installed in the bottom of mold core backing plate
Portion, and die pad is connect with bottom plate by connector, bottom plate, mold core positioning backing plate, the middle part of mold core locating piece are logical equipped with supplying water
The bottom in hole, die pad is further fixed on cylinder connecting plate, cylinder open mold core mechanism is equipped on cylinder connecting plate, and cylinder is opened
The active force of molding core mechanism acts on mold core backing plate, and mold core is opened by mold core backing plate.
2. centrifugal pump casing hydraulic pressure bulging equipment according to claim 1, it is characterised in that above-mentioned bottom plate is positioned with mold core
Contact surface between backing plate is installed with sealing ring.
3. centrifugal pump casing hydraulic pressure bulging equipment according to claim 1, it is characterised in that above-mentioned mold core backing plate and liftout
Mold core sliding block is additionally provided between plate.
4. centrifugal pump casing hydraulic pressure bulging equipment according to claim 1, it is characterised in that above-mentioned mold core locating piece and mould
Shaping level flange is equipped between core and mold core backing plate.
5. centrifugal pump casing hydraulic pressure bulging equipment according to any one of claims 1 to 4, it is characterised in that above-mentioned mold core is fixed
It is additionally provided with elastic positioning device in the part of position, includes positioning column and spring, is equipped with location hole in mold core locating piece, location hole is built-in
Equipped with positioning column, the top of positioning column can be put in mold core backing plate, and spring is installed in the bottom of positioning column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820538252.3U CN208067056U (en) | 2018-04-16 | 2018-04-16 | Hydraulic bulging equipment for pump shell of centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820538252.3U CN208067056U (en) | 2018-04-16 | 2018-04-16 | Hydraulic bulging equipment for pump shell of centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208067056U true CN208067056U (en) | 2018-11-09 |
Family
ID=64041731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820538252.3U Withdrawn - After Issue CN208067056U (en) | 2018-04-16 | 2018-04-16 | Hydraulic bulging equipment for pump shell of centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208067056U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465726A (en) * | 2018-04-16 | 2018-08-31 | 广东永力泵业有限公司 | Hydraulic bulging method and hydraulic bulging equipment for pump shell of centrifugal pump |
| CN110508661A (en) * | 2019-09-02 | 2019-11-29 | 中国航发南方工业有限公司 | A kind of thin-wall annular part manufacturing process and its mold |
| CN114011943A (en) * | 2020-10-30 | 2022-02-08 | 哈尔滨哈飞航空工业有限责任公司 | Die for bending and bulging part with negative angle |
-
2018
- 2018-04-16 CN CN201820538252.3U patent/CN208067056U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108465726A (en) * | 2018-04-16 | 2018-08-31 | 广东永力泵业有限公司 | Hydraulic bulging method and hydraulic bulging equipment for pump shell of centrifugal pump |
| CN108465726B (en) * | 2018-04-16 | 2024-01-30 | 广东永力泵业有限公司 | Hydraulic bulging method and bulging equipment for centrifugal pump shell |
| CN110508661A (en) * | 2019-09-02 | 2019-11-29 | 中国航发南方工业有限公司 | A kind of thin-wall annular part manufacturing process and its mold |
| CN110508661B (en) * | 2019-09-02 | 2020-09-18 | 中国航发南方工业有限公司 | Thin-wall annular piece forming method and die thereof |
| CN114011943A (en) * | 2020-10-30 | 2022-02-08 | 哈尔滨哈飞航空工业有限责任公司 | Die for bending and bulging part with negative angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181109 Effective date of abandoning: 20240130 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181109 Effective date of abandoning: 20240130 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |