CN109454146B - Vertical water expansion die - Google Patents
Vertical water expansion die Download PDFInfo
- Publication number
- CN109454146B CN109454146B CN201811629246.XA CN201811629246A CN109454146B CN 109454146 B CN109454146 B CN 109454146B CN 201811629246 A CN201811629246 A CN 201811629246A CN 109454146 B CN109454146 B CN 109454146B
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- Prior art keywords
- die holder
- sealing structure
- core rod
- elastic sealing
- subassembly
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 64
- 239000000463 material Substances 0.000 claims abstract description 49
- 238000010009 beating Methods 0.000 claims abstract description 39
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 238000000465 moulding Methods 0.000 claims abstract description 10
- 230000008093 supporting effect Effects 0.000 claims description 47
- 230000008961 swelling Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 229920002635 polyurethane Polymers 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Formation And Processing Of Food Products (AREA)
Abstract
The invention discloses a vertical water expansion die which comprises an upper die holder component, an upper core rod component, a lower die holder component and a lower core rod component, wherein the upper core rod component is arranged on the upper die holder component, the lower core rod component is arranged on the lower die holder component, a molding space is formed between the upper die holder component and the lower die holder component, a water injection structure is arranged in the lower core rod component, an upper elastic sealing structure is arranged between the upper core rod component and the upper die holder component, a lower elastic sealing structure is arranged between the lower core rod component and the lower die holder component, the upper elastic sealing structure and the lower elastic sealing structure are driven to expand outwards when the upper die holder component moves downwards, and a material beating component is arranged in the upper die holder component. According to the invention, the sealing property of the upper opening part and the lower opening part of the cup pipe is improved through the upper elastic sealing structure and the lower elastic sealing structure, meanwhile, the abrasion of the sealing structure is reduced, and the arrangement of the material beating assembly can lead the cup pipe to be separated from the upper core rod assembly, so that the processing efficiency of the cup pipe is further improved.
Description
Technical Field
The invention relates to a die, in particular to a vertical water expansion die.
Background
The expansion mould is developed from an original cowhells expansion mould to a water expansion mould, wherein the water expansion mould is divided into a single mould and a double mould. The water expansion die is used as an advanced process, is mainly used for forming parts with complex molded surfaces, and has the greatest characteristics that the bulging force is uniformly transmitted, the material can be deformed under the most favorable condition, the cost is low, the conventional water expansion die is horizontal, the cavity of the horizontal water expansion die is complex to process, the processed product is easy to produce a die seal, and the water expansion is carried out in a water pressure bulging mode by adopting two ends for supplementing water, so that the efficiency is low.
In order to overcome the defects, the invention patent number 201420500814.7, named as a vertical water expansion die, discloses a vertical water expansion die, wherein a water injection core rod is arranged on the vertical water expansion die and is surrounded by a lower cavity and an upper cavity, two ends of the water injection core rod are sleeved with upper die polyurethane and lower die polyurethane, and two ends of the water injection core rod are respectively fixed through an upper die polyurethane pressing block and a lower die polyurethane pressing block. Although the vertical water expansion die with the structure solves the problems that the cavity of the horizontal water expansion die is complex to process and the processed product can produce a die-closing mark, the processing efficiency is improved, and the complexity of die processing is reduced, after the water expansion forming process is finished, the cup pipe is easy to clamp on the water injection core rod, and is not easy to unload. And the water sealing structure between the polyurethane pressing block of the upper die and the water injection core rod is easy to be worn and damaged, so that water leakage in the cup pipe is caused, the water injection pressure in the cup pipe is insufficient, a product cannot be accurately molded, and the reject ratio of the product is increased.
Disclosure of Invention
Aiming at the defects that a cup pipe is easy to clamp on a water injection mandrel, a water sealing structure between an upper die polyurethane pressing block and the water injection mandrel is easy to be worn and damaged and the like in the prior art, the invention provides a novel vertical water expansion die.
In order to solve the technical problems, the invention is realized by the following technical scheme:
The utility model provides a vertical water swelling mould, includes upper die base subassembly, upper core rod subassembly, lower die base subassembly, lower core rod subassembly, upper core rod subassembly set up in on the upper die base subassembly, lower core rod subassembly set up in on the lower die base subassembly, upper die base subassembly, lower die base subassembly surround upper core rod subassembly, lower core rod subassembly and with form the type space between upper core rod subassembly, the lower core rod subassembly, be provided with the water injection structure in the lower core rod subassembly, upper core rod subassembly upper portion with be provided with elastic sealing structure between the upper die base subassembly, lower core rod subassembly lower part with be provided with elastic sealing structure down between the lower die base subassembly, the upper die base subassembly is driven when moving down elastic sealing structure, elastic sealing structure outwards expands down, be provided with the material subassembly in the upper die base subassembly, the material subassembly with elastic sealing structure position is corresponding.
The upper die holder assembly is used for installing the upper core rod assembly, the lower die holder assembly is used for installing the lower core rod assembly, simultaneously, a molding space for placing the cup pipe is formed among the upper die holder assembly, the upper core rod assembly, the lower die holder assembly and the lower core rod assembly, the molding space is matched with the upper core rod assembly and the lower core rod assembly, the cup pipe is subjected to hydraulic expansion, the upper elastic sealing structure is used for abutting against the inner wall of the upper opening part of the cup pipe to play a role of sealing the upper opening part of the cup pipe, the lower elastic sealing structure is used for abutting against the inner wall of the lower opening part of the cup pipe to play a role of sealing the lower opening part of the cup pipe, the upper opening part and the lower opening part of the cup pipe are sealed, the hydraulic pressure is enough to ensure that the processing efficiency of the cup pipe is improved, and the material beating assembly arranged in the upper die holder assembly is used for impacting the upper opening part of the cup pipe, so that the cup pipe is separated from the upper core rod assembly to prevent the cup pipe from being clamped on the upper core rod assembly when the upper die holder assembly is lifted, and the processing efficiency is influenced.
Preferably, the vertical water swelling mold comprises an upper mold base, an upper core and an upper cavity, wherein the upper mold base, the upper core and the upper cavity are sequentially connected from top to bottom, the upper elastic sealing structure comprises an upper elastic supporting block and an upper cone block, the upper elastic supporting block is connected with the upper core and sleeved at the upper end part of the upper core rod assembly, the upper cone block is arranged at the upper end part of the upper core rod assembly and is opposite to the upper elastic supporting block in position, and the upper elastic supporting block is provided with an upper inclined surface matched with the conical surface of the upper cone block.
The upper die holder is used for pushing the upper core and the upper cavity part to move downwards, the upper core is used for being connected with the upper core rod assembly, an upper elastic sealing structure is arranged between the upper core and the upper core rod assembly, the upper elastic supporting block is connected to the upper core, the upper cone block is arranged at the upper end part of the upper core rod assembly, when the upper core is driven by the upper die holder to move downwards, the upper inclined surface of the upper elastic supporting block moves outwards along the upper cone block, so that the upper elastic supporting block outwards supports against the upper opening part of the cup pipe, the fixing and sealing of the upper opening part of the cup pipe are realized, the flexible supporting and adducting structure of the upper elastic supporting block can reduce the abrasion of the upper elastic supporting block in the die closing and opening processes, the sealing and positioning effects of the upper opening part of the cup pipe are guaranteed, and the upper cavity part is used for being matched with the lower die holder assembly to fix the cup pipe in a sealed molding space, and the hydraulic expansion type of the cup pipe is realized.
Preferably, the lower die holder assembly comprises a lower die holder, a lower core and a lower cavity, the lower die holder, the lower core and the lower cavity are sequentially connected from bottom to top, the lower elastic sealing structure comprises a lower elastic supporting block and a lower cone block, the lower elastic supporting block is connected with the lower core and sleeved at the lower end part of the lower core rod assembly, the lower cone block is arranged at the lower end part of the lower core rod assembly and is opposite to the lower elastic supporting block in position, and the lower elastic supporting block is provided with a lower inclined surface matched with the conical surface of the lower cone block.
The lower die holder is used for installing the lower core, the lower core is used for being connected with the lower core rod assembly and setting up down elastic sealing structure between lower core and lower core rod assembly, wherein lower elastic supporting block is connected on the lower core, lower awl piece sets up in lower core rod assembly lower tip, the upper die holder is at the downward in-process that removes, lower awl piece promotes down elastic supporting block outwards removal through lower inclined plane for lower elastic supporting block is inconsistent with the lower oral area of cup, realizes down elastic supporting block to the location and the seal of cup lower oral area, further improves the water pressure expansion type effect of cup.
Preferably, the above-mentioned vertical water expansion die, the material beating assembly comprises a material beating sleeve and a material beating spring, wherein the material beating sleeve is sleeved on the lower part of the upper core and movably connected with the upper core, the material beating sleeve is positioned above the upper cone block, and the material beating spring is connected with the material beating sleeve and provides downward elastic restoring force for the material beating sleeve.
The material beating sleeve is used for impacting the mouth of the cup pipe under the action of the material beating spring, so that the cup pipe is loose, the upper core rod assembly and the lower core rod assembly can be easily separated, the cup pipe is prevented from being clamped, the material taking-off efficiency of the cup pipe is improved, the material beating spring is pushed upwards by the upper elastic supporting block to be compressed when the upper elastic supporting block is supported, and the material beating spring is reset downwards and provides restoring force for the downward movement of the material beating sleeve when the upper die holder is lifted, so that the material beating sleeve impacts the mouth of the cup pipe.
Preferably, in the vertical water swelling mold, the upper elastic sealing structure further comprises an upper clamping block, and the upper clamping block is sleeved in the middle of the upper elastic supporting block.
The upper clamping block controls the spreading amplitude of the upper elastic support block within a certain range, so that the deformation caused by overlarge extrusion of the upper elastic support block is avoided, the stability of the upper elastic support block structure is improved, and meanwhile, the upper clamping block can also play a role in pushing the upper elastic support block to recover.
Preferably, in the vertical water swelling mold, the upper elastic sealing structure is made of metal.
The material of going up elastic seal structure sets up to the metal, can enough guarantee elastic seal structure's supporting effect, also can strengthen elastic seal structure's structural strength, reduces wearing and tearing.
Preferably, in the vertical water swelling mold, the lower elastic sealing structure further comprises a lower clamping block, and the lower clamping block is sleeved in the middle of the lower elastic supporting block.
The lower clamping block controls the spreading amplitude of the lower elastic support block within a certain range, avoids overlarge extrusion received by the lower elastic support block to deform, improves the stability of the lower elastic support block structure, and simultaneously can play a role in pushing the lower elastic support block to recover.
Preferably, in the above vertical water swelling mold, the material of the lower elastic sealing structure is metal.
The material of the lower elastic sealing structure is set to be metal, so that the supporting effect of the lower elastic sealing structure can be ensured, the structural strength of the lower elastic sealing structure can be enhanced, and the abrasion is reduced.
Preferably, in the vertical water swelling mold, the upper die holder component is provided with an upper vent hole, the lower die holder component is provided with a lower vent hole, and the upper vent hole and the lower vent hole are communicated with the molding space.
After the cup pipe is molded by water expansion, the upper vent hole and the lower vent hole are used for pressure relief of a molding space, so that the cup pipe can be conveniently demolded.
Drawings
FIG. 1 is a schematic view of the present invention in a clamped state;
FIG. 2 is a schematic view of a part of the present invention in a clamped state;
FIG. 3 is a schematic view of the structure of the present invention in an open state;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 4;
fig. 6 is a partial enlarged view of the portion B in fig. 4.
Detailed Description
The invention is described in further detail below in connection with figures 1-6 and the detailed description, which are not intended to limit the invention:
Example 1
The utility model provides a vertical water swelling mould, includes upper die base subassembly 3, goes up plug subassembly 4, die holder subassembly 6, lower plug subassembly 5, go up plug subassembly 4 set up in on the upper die base subassembly 3, lower plug subassembly 5 set up in on the die holder subassembly 6, upper die base subassembly 3, die holder subassembly 6 surround go up plug subassembly 4, lower plug subassembly 5 and with form moulding space 8 between upper die subassembly 4, the lower plug subassembly 5, be provided with water injection structure 51 in the lower plug subassembly 5, go up plug subassembly 4 upper portion with be provided with elastic sealing structure 2 between the upper die base subassembly 3, lower plug subassembly 5 lower part with be provided with elastic sealing structure 7 down between the die holder subassembly 6, drive when upper die base subassembly 3 moves down go up elastic sealing structure 2, elastic sealing structure 7 outwards expand, be provided with in the upper die base subassembly 3 and beat material subassembly 1 with go up elastic sealing structure 2 position corresponds.
When the cup pipe is used, the cup pipe is sleeved on the lower core rod assembly 5, the upper die holder assembly 3 and the upper core rod assembly 4 are downwards moved and are closed with the lower die holder assembly 6 and the lower core rod assembly 5, the upper die holder assembly 3 downwards moves and simultaneously downwards presses the upper core rod assembly 4, the upper elastic sealing structure 2 is outwards spread and is in contact with the inner wall of the upper opening part of the cup pipe, meanwhile, the lower elastic sealing structure 7 is outwards spread and is in contact with the inner wall of the lower opening part of the cup pipe in the process of downwards pressing the lower core rod assembly 5, the effect of supporting and sealing the upper opening part and the lower opening part of the cup pipe is achieved, the upper core rod assembly 4 is connected with a power device, the power device can enable an oil cylinder oil rod to synchronously upwards compress the material beating assembly 1 in the outwards spreading process, after the two ends of the cup pipe are sealed, water is injected into the upper core rod assembly 4 and the lower core rod assembly 5 through water injection holes, and the cup pipe is tightly formed with the inner wall of the plastic space 8 under the strong pressure of water pressure by water injection pressurization. After the shaping is finished, the upper die holder component 3 is lifted upwards through the power device, the upper die holder component 3 drives the upper elastic sealing structure 2 to separate from the upper opening part of the cup pipe, so that the upper elastic sealing structure 2 is gradually restored to the original position, meanwhile, the upper core rod component 4 and the lower core rod component 5 are pushed to move upwards by the upper elastic sealing structure 2 and the lower elastic sealing structure 7 when reset, the upper core rod component 4 and the lower core rod component 5 drive the cup pipe to move upwards, at the moment, the material beating component 1 moves downwards and impacts the upper opening part of the cup pipe under the driving of restoring force, the cup pipe is loosened on the upper core rod component 4 and the lower core rod component 5, and the material taking-off of the cup pipe is completed.
Preferably, the upper die holder assembly 3 includes an upper die holder 31, an upper core 33, and an upper cavity portion 32, the upper die holder 31, the upper core 33, and the upper cavity portion 32 are sequentially connected from top to bottom, the upper elastic sealing structure 2 includes an upper elastic supporting block 22, and an upper cone block 23, the upper elastic supporting block 22 is connected with the upper core 33 and sleeved on an upper end portion of the upper core rod assembly 4, the upper cone block 23 is disposed on an upper end portion of the upper core rod assembly 4 and is opposite to the upper elastic supporting block 22 in position, and the upper elastic supporting block 22 is provided with an upper inclined surface 221 matched with a conical surface of the upper cone block 23.
Preferably, the lower die holder assembly 6 includes a lower die holder 64, a lower core 63, and a lower cavity 62, the lower die holder 64, the lower core 63, and the lower cavity 62 are sequentially connected from bottom to top, the lower elastic sealing structure 7 includes a lower elastic supporting block 72, and a lower cone block 71, the lower elastic supporting block 72 is connected with the lower core 63 and sleeved on a lower end portion of the lower core rod assembly 5, the lower cone block 71 is disposed on a lower end portion of the lower core rod assembly 5 and is opposite to the lower elastic supporting block 72 in position, and the lower elastic supporting block 72 is provided with a lower inclined surface 721 matched with a conical surface of the lower cone block 71.
Preferably, the material beating assembly 1 comprises a material beating sleeve 12 and a material beating spring 11, wherein the material beating sleeve 12 is sleeved at the lower part of the upper core 33 and is movably connected with the upper core 33, the material beating sleeve 12 is positioned above the upper cone block 23, and the material beating spring 11 is connected to the material beating sleeve 12 and provides downward elastic restoring force for the material beating sleeve 12.
Preferably, the upper elastic sealing structure 2 further includes an upper clamping block 21, and the upper clamping block 21 is sleeved in the middle of the upper elastic supporting block 22.
Preferably, the upper elastic sealing structure 2 is made of metal.
Preferably, the lower elastic sealing structure 7 further includes a lower clamping block 73, and the lower clamping block 73 is sleeved in the middle of the lower elastic supporting block 72.
Preferably, the material of the lower elastic sealing structure 7 is metal.
Preferably, the upper die holder assembly 3 is provided with an upper vent hole 34, the lower die holder assembly 6 is provided with a lower vent hole 61, and the upper vent hole 34 and the lower vent hole 61 are communicated with the molding space 8.
Specifically, when the cup pipe lower core rod assembly 5 is used, the upper die holder 31 is driven to move downwards, meanwhile, the upper elastic support block 22 is driven to move downwards through the upper core 33, the upper inclined surface 221 of the upper elastic support block 22 is abutted against the upper cone block 23, the upper elastic support block 22 is enabled to be outwards propped until being abutted against the inner wall of the upper opening part of the cup pipe under the relative movement of the upper inclined surface 221 and the upper cone block 23, the lower core rod assembly 5 enables the lower cone block 71 to exert force on the lower elastic support block 72 in the downward movement process to enable the lower elastic support block 72 to be outwards propped against the inner wall of the lower opening part of the cup pipe, in the die clamping process, the lower end of the punching spring 11 is pushed upwards by the upper elastic support block 22, the punching spring 11 is enabled to be upwards compressed, after the cup pipe is subjected to water expansion molding, the die is opened, in the die opening state, the upper elastic support block 22 is gradually separated from the upper cone block 23, simultaneously, the punching sleeve 12 is driven to downwards move under the restoring force, and meanwhile, the upper elastic sealing structure 2 and the lower elastic sealing structure 7 push the upper assembly 4 and the lower elastic sealing structure 7 to downwards impact the upper assembly 5, the lower assembly 5 to be separated from the cup pipe, and the cup pipe 4 are driven to be downwards, and the core rod assembly 4 is driven to be separated from the cup pipe 4, and the cup pipe is separated from the cup pipe is down.
The upper elastic supporting block 22, the lower elastic supporting block 72, the upper clamping block 21 and the lower clamping block 73 are made of 65Mn spring steel, and the number of the material beating springs 11 can be set to be 4 and evenly distributed on the material beating sleeve 12.
In summary, the foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications that come within the scope of the present invention are desired to be covered thereby.
Claims (5)
1. The utility model provides a vertical water swelling mould, includes upper die base subassembly (3), goes up plug subassembly (4), die holder subassembly (6), lower plug subassembly (5), go up plug subassembly (4) set up in on upper die base subassembly (3), lower plug subassembly (5) set up in on die holder subassembly (6), upper die base subassembly (3), die holder subassembly (6) are encircled go up plug subassembly (4), lower plug subassembly (5) and with form between last plug subassembly (4), lower plug subassembly (5) and mould type space (8), be provided with water injection structure (51) in lower plug subassembly (5), its characterized in that: an upper elastic sealing structure (2) is arranged between the upper part of the upper core rod assembly (4) and the upper die holder assembly (3), a lower elastic sealing structure (7) is arranged between the lower part of the lower core rod assembly (5) and the lower die holder assembly (6), the upper elastic sealing structure (2) and the lower elastic sealing structure (7) are driven to expand outwards when the upper die holder assembly (3) moves downwards, a material beating assembly (1) is arranged in the upper die holder assembly (3), and the material beating assembly (1) corresponds to the upper elastic sealing structure (2);
The upper die holder assembly (3) comprises an upper die holder (31), an upper core (33) and an upper die cavity (32), the upper die holder (31), the upper core (33) and the upper die cavity (32) are sequentially connected from top to bottom, the upper elastic sealing structure (2) comprises an upper elastic supporting block (22) and an upper cone block (23), the upper elastic supporting block (22) is connected with the upper core (33) and sleeved at the upper end part of the upper core rod assembly (4), the upper cone block (23) is arranged at the upper end part of the upper core rod assembly (4) and is opposite to the upper elastic supporting block (22), and the upper elastic supporting block (22) is provided with an upper inclined surface (221) matched with the conical surface of the upper cone block (23);
the lower die holder assembly (6) comprises a lower die holder (64), a lower core (63) and a lower die cavity part (62), the lower die holder (64), the lower core (63) and the lower die cavity part (62) are sequentially connected from bottom to top, the lower elastic sealing structure (7) comprises a lower elastic supporting block (72) and a lower cone block (71), the lower elastic supporting block (72) is connected with the lower core (63) and sleeved at the lower end part of the lower core rod assembly (5), the lower cone block (71) is arranged at the lower end part of the lower core rod assembly (5) and is opposite to the lower elastic supporting block (72), and the lower elastic supporting block (72) is provided with a lower inclined surface (721) matched with the conical surface of the lower cone block (71);
The material beating assembly (1) comprises a material beating sleeve (12) and a material beating spring (11), wherein the material beating sleeve (12) is sleeved at the lower part of the upper core (33) and is movably connected with the upper core (33), the material beating sleeve (12) is positioned above the upper cone block (23), and the material beating spring (11) is connected to the material beating sleeve (12) and provides downward elastic restoring force for the material beating sleeve (12);
An upper vent hole (34) is formed in the upper die holder assembly (3), a lower vent hole (61) is formed in the lower die holder assembly (6), and the upper vent hole (34) and the lower vent hole (61) are communicated with the molding space (8).
2. A vertical water expansion die according to claim 1, wherein: the upper elastic sealing structure (2) further comprises an upper clamping block (21), and the upper clamping block (21) is sleeved at the middle part of the upper elastic supporting block (22).
3. A vertical water expansion die according to claim 1, wherein: the upper elastic sealing structure (2) is made of metal.
4. A vertical water expansion die according to claim 1, wherein: the lower elastic sealing structure (7) further comprises a lower clamping block (73), and the lower clamping block (73) is sleeved at the middle part of the lower elastic supporting block (72).
5. A vertical water expansion die according to claim 1, wherein: the lower elastic sealing structure (7) is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629246.XA CN109454146B (en) | 2018-12-29 | 2018-12-29 | Vertical water expansion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811629246.XA CN109454146B (en) | 2018-12-29 | 2018-12-29 | Vertical water expansion die |
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| CN109454146A CN109454146A (en) | 2019-03-12 |
| CN109454146B true CN109454146B (en) | 2024-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811629246.XA Active CN109454146B (en) | 2018-12-29 | 2018-12-29 | Vertical water expansion die |
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| CN (1) | CN109454146B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110125230B (en) * | 2019-06-11 | 2024-02-20 | 浙江哈尔斯真空器皿股份有限公司 | Coreless bar hard film water swelling forming die |
| CN110369595A (en) * | 2019-08-10 | 2019-10-25 | 浙江保康电器有限公司 | A kind of liner iron water shutoff is swollen mold and its water swelling forming method |
| CN111250587B (en) * | 2020-03-27 | 2024-05-07 | 安徽富光销售有限公司 | Water expansion forming die |
| CN111774458B (en) * | 2020-09-07 | 2020-12-22 | 浙大宁波理工学院 | Forming process of superfine long corrugated pipe |
| CN113579048B (en) * | 2021-07-27 | 2023-10-24 | 浙江雄泰家居用品股份有限公司 | Self-demolding water-sealing expansion mold of cup body |
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| DE102016112157A1 (en) * | 2016-07-04 | 2018-01-04 | Linamar Gmbh | Method and device for producing a shaft component and camshaft |
| CN209349353U (en) * | 2018-12-29 | 2019-09-06 | 浙江哈尔斯真空器皿股份有限公司 | A kind of vertical water swelling mold |
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|---|---|---|---|---|
| CN1943901A (en) * | 2006-10-13 | 2007-04-11 | 燕山大学 | Rotary shell part hydraulic expansion integrating device |
| CN103894471A (en) * | 2012-12-28 | 2014-07-02 | 财团法人金属工业研究发展中心 | Tube hydroforming device |
| CN203304369U (en) * | 2013-05-27 | 2013-11-27 | 永康市乐宝不锈钢制品有限公司 | Water expansion forming die |
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| CN109454146A (en) | 2019-03-12 |
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