CN202683721U - Internal high pressure forming device - Google Patents
Internal high pressure forming device Download PDFInfo
- Publication number
- CN202683721U CN202683721U CN 201220348258 CN201220348258U CN202683721U CN 202683721 U CN202683721 U CN 202683721U CN 201220348258 CN201220348258 CN 201220348258 CN 201220348258 U CN201220348258 U CN 201220348258U CN 202683721 U CN202683721 U CN 202683721U
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- Prior art keywords
- hair
- piston rod
- level
- high pressure
- booster body
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- Withdrawn - After Issue
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- 238000007789 sealing Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 210000001161 mammalian embryo Anatomy 0.000 claims description 45
- 239000007788 liquid Substances 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000002257 embryonic structure Anatomy 0.000 description 1
- 239000006052 feed supplement Substances 0.000 description 1
- 230000035611 feeding Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
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Abstract
The utility model discloses an internal high pressure forming device, which comprises a clamp die, a high pressure water source, a pressurizing mechanism and a horizontal pushing head. The internal high pressure forming device is characterized in that the pressurizing mechanism comprises a first pressurizing mechanism and a second pressurizing mechanism. The first pressurizing mechanism comprises a first cylinder body and a first piston rod, wherein the first piston rod is provided with a first shaft hole. The second pressurizing mechanism comprises a second piston rod with a second shaft hole, wherein a water inlet pipe is arranged in the second shaft hole; and a cover cap is connected to a front end of the second piston rod. The horizontal pushing head is connected to the extending end of the first piston rod and provided with a third shaft hole; a groove is formed between the end part of the horizontal pushing head and the cover cap; a sealing ring is arranged in the groove; a step surface is formed at the front part of the horizontal pushing head; and a sealing gasket is sleeved on the step surface. Compared with the prior art, the sealing problem of the internal high pressure forming device in a low pressure state and a high pressure state is solved by the arrangement of the sealing ring and the sealing gasket, so that the pipe forming quality is improved. In addition, the internal high pressure forming device also has the advantages of compact overall structure and small volume.
Description
Technical field
The utility model relates to a kind of pipe fitting forming equipment, particularly a kind of internal high pressure forming device that is exclusively used in hollow pipe fitting hydroforming.
Background technology
Internal high pressure forming (Hydro Forming) also makes hydroforming or fluid power be shaped, be a kind of liquid that utilizes as shaping medium, reach the material forming technique of shaping hollow part purpose by control internal pressure and Material Flow.The principle of internal high pressure forming is by internal pressurization and axial afterburning feed supplement the pipe embryo to be pressed into mold cavity to make it be configured as needed workpiece, is the part of curve for axis, need to be pre-bent to the pipe embryo near part shape, then press molding.Light, the good product quality of component quality by internal high pressure forming, and product design is flexible, and technical process is simple and direct, has again the characteristics such as near-net-shape and green manufacturing simultaneously, therefore obtains a wide range of applications in lightweight fields such as aircraft, spacecraft and automobiles.
In the prior art, be that the Chinese invention patent " a kind of internal high-pressure forming machine with overhead short stroke Mode-locking oil cylinder " of ZL200310107715.9 discloses a kind of inner high voltage forming machine such as the patent No., this inner high voltage forming machine be a kind of with overhead short stroke Mode-locking oil cylinder the inner high voltage forming machine, it comprises hydraulic means, four columns, entablature, sill, moved cross beam, two die sinking oil cylinders, it is characterized in that: it also comprises at least two Mode-locking oil cylinders, mechanical link stopper, drive oil cylinder, guide rail, slide plate; Hydraulic means is fixed on the upper end of four columns, entablature is arranged on the bottom of the top hydraulic means in four columns, sill is fixed on the bottom in four columns, moved cross beam is located between four columns interior entablature and sill, be fixed with two die sinking oil cylinders between moved cross beam and the entablature, the lower plane of the entablature outside the die sinking oil cylinder is fixed with Mode-locking oil cylinder, both sides, front and back in the moved cross beam upper end are fixed with guide rail, the outside of guide rail is fixed with the driving oil cylinder, the top that drives oil cylinder is fixed with slide plate, is fixed with electromechanical stop on the slide plate.
The internal high pressure forming device of above-mentioned patent has adopted the short stroke clamping apparatus of Mode-locking oil cylinder, has very high clamp force during locked mode, only uses very little mold clamping force during mould open/close, has high efficiency, saves the advantage of the energy.But, the inner high voltage shaped device of above-mentioned patent also exists some problems, the process technology restriction because level is cut somebody's hair, can't accomplish positive confinement, in the forming process of workpiece, be subjected to the High Pressure of mold cavity inside, the liquid of pipe in the embryo is easy to cut somebody's hair and outwards overflow in the slit of managing between the embryo from level, cause the pressure in the pipe embryo to descend, thereby affected the forming quality of workpiece.
The utility model content
Technical problem to be solved in the utility model is to provide for above-mentioned prior art present situation that a kind of structure is more reasonable, the inner high voltage shaped device of good airproof performance.
The utility model solves the problems of the technologies described above the technical scheme that adopts: a kind of inner high voltage shaped device includes
Jig plate, but it has the inner membrance die cavity that the containing pipe embryo is placed;
High-pressure water is used for providing liquid to the inner chamber of described pipe embryo;
Level is cut somebody's hair, and is used for realizing to pushing for the liquid to described pipe embryo inside;
Booster body, the one end connects described high-pressure water, be used for to realize being communicated with of this high-pressure water and described pipe embryo inner chamber, and the other end of this booster body connects described level cuts somebody's hair, for driving cut somebody's hair vertically the movement of described level;
It is characterized in that: described booster body includes the first booster body and the second booster body, wherein, described the first booster body includes the first cylinder body and can be along the axially movable first piston bar of this first cylinder body, and described first piston bar has the first axis hole that connects vertically; Described the second booster body includes second piston rod that can move along described the first axis hole, this second piston rod has the second axis hole that runs through vertically, be provided with the water inlet pipe that links to each other with described high-pressure water in described the second axis hole, the front end of described the second piston rod also be connected with can be in mating connection with the openend of described pipe embryo block, this block offers the inlet opening that can be connected with described water inlet pipe vertically; Described level is cut somebody's hair and is fixedly connected on the external part of described first piston bar, this level is cut somebody's hair and is offered vertically the Triaxial hole that can supply described the second piston rod to pass, be formed with groove between the end that described level is cut somebody's hair and the described block, but be provided with the sealing ring of compressive deformation in the described groove; Described level is cut somebody's hair and is forwardly also formed step surface, is arranged with end face can fit the respectively gasket seal of described step surface and pipe embryo end in both sides on described level is cut somebody's hair.
In order to guarantee sealing effectiveness, prolong the service life of sealing ring, as preferably, the annular gasket of described gasket seal for being made by the soft metal.
In order to realize that better moving axially of the second piston rod is spacing, as preferably, the outer peripheral face of described the second piston rod forms the radially baffle ring of evagination, correspondingly, form shoulder hole in described the first axis hole, be provided with second cylinder body that can be slidingly matched with described baffle ring in the bigger diameter end of this shoulder hole, this second cylinder body has the spacing cascaded surface of axially pulling back that can offset with the end face of described baffle ring and realize described the second piston rod.So the second cylinder body can be realized the axial limiting to baffle ring, and then realize the displacement that the second piston rod slides vertically, prevent from the sealing ring excessive compression is out of shape.
In order to be easy for installation and removal, guarantee connection reliability, as preferably, the end of described first piston bar is provided with a flange, and described level is cut somebody's hair and is fixedly linked by this flange and described first piston bar.
In order to make things convenient for matched moulds and die sinking, as preferably, described jig plate includes upper die and lower die.
As further preferred, described patrix is flexible mould, and described counterdie is fixed mould.Also can be set to fixed form by patrix, counterdie is set to manner, and perhaps upper and lower mould is manner, and concrete fixed form can adjust according to the real work needs of jig plate machine.
Compared with prior art, the utility model has the advantage of: cutting somebody's hair in level is respectively arranged with sealing ring and gasket seal, under low-pressure state, by pulling back of the second piston rod, so that sealing ring produces deformation, cut somebody's hair and manage space between the embryo with fill level, thereby improve the sealing of internal high pressure forming device; Under high pressure conditions, leak of liquid occurs for avoiding sealing ring to be punctured by highly pressurised liquid, the second piston rod quits work, and sealing ring can't be realized the fully sealing to the pipe embryo, and this moment, the end by gasket seal and pipe embryo contacted to realize sealing function; The utility model has solved the sealing problem of the internal high pressure forming device under low pressure and two kinds of different conditions of high pressure by arranging of sealing ring and gasket seal, improved the component shaping quality, and, the first booster body be connected booster body and realize connect by nested mode, reduced the length of the water inlet pipe that is connected with high-pressure water, not only overall structure is simply compact, and volume is more small and exquisite, and help to improve hydraulic pressure, obtain better pressurized effect.
Description of drawings
Fig. 1 is the booster body perspective view of the utility model embodiment.
Fig. 2 is the cutaway view of booster body shown in Figure 1.
Fig. 3 is the inner high voltage shaped device structural representation of the utility model embodiment.
Fig. 4 is the partial sectional view of inner high voltage shaped device shown in Figure 3.
The specific embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
Such as Fig. 1～shown in Figure 4, the internal high pressure forming device of present embodiment is mainly used in the shaping of hollow pipe fitting, it includes jig plate 1, high-pressure water 2, level and cuts somebody's hair 3 and booster body, wherein, jig plate 1 is combined by mobilizable patrix 11 and the counterdie 12 that is fixedly installed, but forms the inner membrance die cavity 13 that containing pipe embryo 9 is placed in the jig plate 1; High-pressure water 2 is used for providing liquid to the inner chamber of pipe embryo 9; Level is cut somebody's hair and 3 be used for to be realized for pushing to the liquid of managing embryo 9 inside; One end of booster body connects high-pressure water 2, is used for realizing being communicated with of this high-pressure water 2 and pipe embryo 9 inner chambers, and the other end connection level of booster body cuts somebody's hair 3, for 3 vertically the movements of cutting somebody's hair of driving level.
The booster body of present embodiment includes the first booster body and the second booster body, the first booster body links to each other by nested type with the second booster body, the first booster body and second increases mechanism and can adopt mechanical transmission structure to drive, also can adopt air pressure to drive, the booster body of present embodiment adopts hydraulic-driven;
Wherein, the first booster body includes the first cylinder body 41 and is arranged in also can be along the first cylinder body 41 axially movable first piston bars 42 in this first cylinder body 41, and first piston bar 42 has the first axis hole that connects vertically; The external part of first piston bar 42 is provided with a flange 7, and level is cut somebody's hair and 3 is fixedly linked by this flange 7 and first piston bar 42;
The second booster body includes the second cylinder body 53 and the second piston rod 5, the second piston rod 5 is arranged in the first axis hole movably, the second piston rod 5 has the second axis hole that runs through vertically, be provided with the water inlet pipe 51 that links to each other with high-pressure water 2 in the second axis hole, and, water inlet pipe 51 runs through whole the second axis hole setting, and the front end of the second piston rod 5 also is connected with the block 6 in energy Inserting Tube embryo 9 openings, and this block 6 offers the inlet opening 61 that can be connected with water inlet pipe 51 vertically; In order to realize the axial limiting of the second piston rod 5, the outer peripheral face of the second piston rod 5 also forms the radially baffle ring 52 of evagination, form a shoulder hole in the first axis hole, be provided with in the bigger diameter end 421 of this shoulder hole and can have the spacing cascaded surface 422 of axially pulling back that can offset with the end face of baffle ring 52 and realize the second piston rod 5 with the second cylinder body 53, the second cylinder bodies 53 that baffle ring is slidingly matched;
Level is cut somebody's hair and 3 is offered vertically the Triaxial hole that can pass for the second piston rod 5, and level is cut somebody's hair, and be formed with between 3 Triaxial hole and the second piston rod 5 can be for the gap of these the second piston rod 5 feedings, and the width in gap is preferably 0.8mm; Cut somebody's hair 3 end and block a shot and be formed with the groove of annular between 6 of level, but be provided with the sealing ring 81 of compressive deformation in the groove; Level is cut somebody's hair and 3 is forwardly also formed step surface 31, and level is cut somebody's hair and is arranged with end face can fit the respectively gasket seal 82 of step surface 31 and pipe embryo 9 ends in both sides on 3, and in order to improve sealing effectiveness, gasket seal 82 should adopt the annular gasket of being made by the soft metal.
The operation principle of the inner high voltage shaped device of present embodiment is:
Under low-pressure state, at first will manage embryo 9 is placed in the jig plate 1, patrix 11 presses down subsequently, pipe embryo 9 is fixed in the inner membrance die cavity 13 of jig plate 1, front end is provided with the cut somebody's hair openend of 3 Inserting Tube embryos 9 of block 6 level, cut somebody's hair 3 step surface 31 of the pipe end of embryo 9 and level offsets, and realizes the preliminary sealing of pipe embryo 9;
Then, high-pressure water 2 is passed through water inlet pipe 51 to pipe embryo 9 inner feed flows, until liquid is full of pipe embryo 9; Then, start the second booster body, drive the second piston rod 5 along pulling back with level 3 rightabouts that stretch out of cutting somebody's hair, at this moment, because block 6 is fixed on the end of the second piston rod 5, block 6 along with pulling back of the second piston rod 5 near cut somebody's hair 3 end of level, so that block a shot 6 and the level groove that forms of cutting somebody's hair between 3 narrow down, so, be embedded at the generation deformation that is squeezed of sealing ring 81 in this groove, block the inner chamber of pipe embryo 9 and stretch into the space that the level in this inner chamber is cut somebody's hair and formed between 3, and then realize the end face seal of pipe embryo 9;
Subsequently, the first booster body starts, first piston bar 42 promotion levels cut somebody's hair 3 to the 9 interior extruding of pipe embryo, the gasket seal 82 that is set on the step surface 31 expands under the High Pressure of pipe embryo 9 internal liquids, sealing is further improved in the level of the blocking space between 3 step surface 31 and pipe embryo 9 end faces of cutting somebody's hair; After this, under the inner high voltage effect, pipe embryo 9 produces dilatancy, until the outer surface of pipe embryo 9 is consistent with inner membrance die cavity 13 surfaces of jig plate 1.
Under high pressure conditions, the ability to bear of sealing ring 81 is not enough, may be crushed by highly pressurised liquid, occurs for fear of this phenomenon, and the second booster body quits work under high pressure conditions; At this moment, the sealing of internal high pressure forming device realizes by the gasket seal 82 that is arranged on level and cuts somebody's hair on 3 the step surface 31, when level cuts somebody's hair 3 during to the inner extruding of pipe embryo 9, the hydraulic pressure of pipe embryo 9 inside is so that adopt the gasket seal 82 of soft metal material material to be subjected to compression swelling, thereby block cut somebody's hair slit between 3 of pipe embryo 9 end faces and level, play the effect of raising inner high voltage device sealing; Cut somebody's hair 3 in the inner extruding of pipe embryo 9 in level, high-pressure water 2 continues to pipe embryo 9 inner feed flows, remains in the predetermined range to guarantee the pressure in the pipe embryo 9.
Claims (6)
1. an inner high voltage shaped device includes
Jig plate (1), but it has the inner membrance die cavity (13) that containing pipe embryo (9) is placed;
High-pressure water (2) is used for providing liquid to the inner chamber of described pipe embryo (9);
Level is cut somebody's hair (3), is used for realizing to supplying to the inner liquid extruding of described pipe embryo (9);
Booster body, the one end connects described high-pressure water (2), be used for to realize being communicated with of this high-pressure water (2) and described pipe embryo (9) inner chamber, the other end of this booster body connects described level cuts somebody's hair (3), is used for driving (3) movement vertically of cutting somebody's hair of described level;
It is characterized in that: described booster body includes the first booster body and the second booster body, wherein, described the first booster body includes the first cylinder body (41) and can be along this axially movable first piston bar of the first cylinder body (41) (42), and described first piston bar (42) has the first axis hole that connects vertically;
Described the second booster body includes second piston rod (5) that can move along described the first axis hole, this second piston rod (5) has the second axis hole that runs through vertically, be provided with the water inlet pipe (51) that links to each other with described high-pressure water (2) in described the second axis hole, the front end of described the second piston rod (5) also be connected with can be in mating connection with the openend of described pipe embryo (9) block (6), this block (6) offers the inlet opening (61) that can be connected with described water inlet pipe (51) vertically;
Described level cut somebody's hair (3) be fixedly connected on the external part of described first piston bar (42), this level cuts somebody's hair that (3) offer vertically can be for the Triaxial hole that passes of described the second piston rod (5), described level is cut somebody's hair and is formed with groove between the end of (3) and the described block (6), but is provided with the sealing ring (81) of compressive deformation in the described groove; Described level cut somebody's hair (3) forwardly also form step surface (31), described level is cut somebody's hair and is arranged with end face can fit the respectively gasket seal (82) of described step surface (31) and pipe embryo (9) end in both sides on (3).
2. inner high voltage shaped device according to claim 1 is characterized in that: the annular gasket of described gasket seal (82) for being made by the soft metal.
3. inner high voltage shaped device according to claim 1, it is characterized in that: the outer peripheral face of described the second piston rod (5) forms the radially baffle ring of evagination (52), correspondingly, form shoulder hole in described the first axis hole, be provided with second cylinder body that can be slidingly matched with described baffle ring in the bigger diameter end of this shoulder hole (421), this second cylinder body has the spacing cascaded surface (422) of axially pulling back that can offset with the end face of described baffle ring (52) and realize described the second piston rod (5).
4. inner high voltage shaped device according to claim 1, it is characterized in that: the end of described first piston bar (42) is provided with a flange (7), described level cut somebody's hair (3) be fixedly linked by this flange (7) and described first piston bar (42).
5. inner high voltage shaped device according to claim 1, it is characterized in that: described jig plate (1) includes patrix (11) and counterdie (12).
6. inner high voltage shaped device according to claim 5, it is characterized in that: described patrix (11) is flexible mould, and described counterdie (12) is fixed mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348258 CN202683721U (en) | 2012-07-17 | 2012-07-17 | Internal high pressure forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348258 CN202683721U (en) | 2012-07-17 | 2012-07-17 | Internal high pressure forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202683721U true CN202683721U (en) | 2013-01-23 |
Family
ID=47539393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220348258 Withdrawn - After Issue CN202683721U (en) | 2012-07-17 | 2012-07-17 | Internal high pressure forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202683721U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764809A (en) * | 2012-07-17 | 2012-11-07 | 浙江摩多巴克斯汽配有限公司 | Hydro forming device |
| CN103223434A (en) * | 2013-04-10 | 2013-07-31 | 宁波帕沃尔精密液压机械有限公司 | Device and method for pipe internal high pressure forming |
| CN104785603A (en) * | 2015-05-13 | 2015-07-22 | 宁波钜智自动化装备有限公司 | Separated-type plug for processing of internal high-pressure forming pipe fitting |
| CN106363069A (en) * | 2016-08-29 | 2017-02-01 | 天津市天锻压力机有限公司 | Inner high-pressure forming push head for machining automobile chassis part and machining technology |
| CN108555291A (en) * | 2018-06-20 | 2018-09-21 | 福建省蓝腾新材料科技有限公司 | Novel dry pocket type iso-static pressure shaping machine |
-
2012
- 2012-07-17 CN CN 201220348258 patent/CN202683721U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764809A (en) * | 2012-07-17 | 2012-11-07 | 浙江摩多巴克斯汽配有限公司 | Hydro forming device |
| CN102764809B (en) * | 2012-07-17 | 2014-08-20 | 浙江摩多巴克斯汽配有限公司 | Hydro forming device |
| CN103223434A (en) * | 2013-04-10 | 2013-07-31 | 宁波帕沃尔精密液压机械有限公司 | Device and method for pipe internal high pressure forming |
| CN103223434B (en) * | 2013-04-10 | 2015-09-30 | 宁波帕沃尔精密液压机械有限公司 | A kind of device for pipe internal high pressure and method |
| CN104785603A (en) * | 2015-05-13 | 2015-07-22 | 宁波钜智自动化装备有限公司 | Separated-type plug for processing of internal high-pressure forming pipe fitting |
| CN104785603B (en) * | 2015-05-13 | 2018-07-27 | 宁波钜智自动化装备有限公司 | A kind of split type plug for the processing of internal high pressure forming pipe fitting |
| CN106363069A (en) * | 2016-08-29 | 2017-02-01 | 天津市天锻压力机有限公司 | Inner high-pressure forming push head for machining automobile chassis part and machining technology |
| CN108555291A (en) * | 2018-06-20 | 2018-09-21 | 福建省蓝腾新材料科技有限公司 | Novel dry pocket type iso-static pressure shaping machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130123 Effective date of abandoning: 20140820 |
|
| RGAV | Abandon patent right to avoid regrant |