CN107186038B - Water expansion forming machine for special-shaped pipe fitting - Google Patents
Water expansion forming machine for special-shaped pipe fitting Download PDFInfo
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- CN107186038B CN107186038B CN201710537352.4A CN201710537352A CN107186038B CN 107186038 B CN107186038 B CN 107186038B CN 201710537352 A CN201710537352 A CN 201710537352A CN 107186038 B CN107186038 B CN 107186038B
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- adjusting seat
- cylinder
- side cylinder
- guide groove
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Forging (AREA)
Abstract
The invention discloses a special-shaped pipe fitting water expansion forming machine which comprises a frame, a forming liquid storage device, a pressurizing injection device and a die, wherein the frame is provided with a plurality of forming liquid storage devices; a side cylinder guide groove with a guide axis perpendicular to the lifting axis of the movable cross beam is arranged in the frame, and at least two side pushing devices are arranged on the side cylinder guide groove; the side pushing device comprises a transverse adjusting seat, a circumferential adjusting seat and a side cylinder which are sequentially stacked; the transverse adjusting seat is positioned on the side cylinder guide groove, and a guide adjusting block embedded in the side cylinder guide groove and a plurality of circumferential adjusting holes facing the circumferential adjusting seat are arranged in the transverse adjusting seat; the circumferential adjusting seat is arranged on the transverse adjusting seat, and a circumferential adjusting block which is rotatably connected with the circumferential adjusting hole is arranged in the circumferential adjusting seat; the side cylinder is arranged on the circumferential adjusting seat, a piston rod which can reciprocate to be close to the die is arranged on the side cylinder, a push head block is arranged on the piston rod, and the push head block is communicated with the pressurizing injection device. The invention has the advantages of capability of processing special-shaped pipe fittings, strong applicability, convenient operation and the like.
Description
Technical Field
The invention relates to water swelling forming equipment, in particular to a water swelling forming machine for special-shaped pipe fittings.
Background
The internal high pressure forming is also called hydroforming or hydrodynamic forming, and is a material forming process which uses liquid as a forming medium and achieves the purpose of forming hollow parts by controlling the internal pressure and the material flow. The internal high-pressure hydraulic forming process is gradually adopted to replace the traditional processing process in the fields of automobiles, aviation, aerospace manufacturing, hardware manufacturing and the like, and particularly in the processing of parts such as sedan auxiliary frames, instrument panel brackets, rear auxiliary frame reinforcing pipes, hot end exhaust manifolds and the like in automobile production.
At present, more and more special-shaped parts such as stainless steel water taps, brass water taps, water heating bathroom pipe fittings, clamping pipes and the like are produced by using a water expansion forming process. Most water-swellable forming machines are equipped with two feed-side cylinders fixed in a certain direction on the upper surface of the table. When the water bulge forming machine needs to realize the bulging of products with different sizes, workers need to readjust the angle and the position of the side cylinder and drill corresponding screw holes to fix the side cylinder, and the adjustment mode is complex, so that the difficulty of adjusting the feeding side cylinder is increased.
For this reason, it is necessary to study a water swelling forming machine suitable for the processing of special-shaped pipe fittings.
Disclosure of Invention
The invention aims to provide a water swelling forming machine suitable for processing common pipe fittings and special-shaped pipe fittings.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a water expansion forming machine for special-shaped pipe fittings comprises a frame, a forming liquid storage device, a pressurizing injection device and a die; the forming liquid storage device is communicated with the pressurizing injection device; a movable cross beam which can be lifted relative to the frame is arranged in the frame; the die comprises a forming upper die and a forming lower die which are matched with each other, wherein the forming upper die is fixed on the movable cross beam, and the forming lower die is fixed on the frame; in particular, a side cylinder guide groove with a guide axis perpendicular to the lifting axis of the movable cross beam is arranged in the frame, and at least two side pushing devices are arranged on the side cylinder guide groove; the side pushing device comprises a transverse adjusting seat, a circumferential adjusting seat and a side cylinder which are sequentially stacked; the transverse adjusting seat is positioned on the side cylinder guide groove, and a guide adjusting block embedded in the side cylinder guide groove and a plurality of circumferential adjusting holes facing the circumferential adjusting seat are arranged in the transverse adjusting seat; the circumferential adjusting seat is arranged on the transverse adjusting seat, and a circumferential adjusting block which is rotatably connected with the circumferential adjusting hole is arranged in the circumferential adjusting seat; the side cylinder is arranged on the circumferential adjusting seat, a piston rod which can reciprocate to be close to the die is arranged on the side cylinder, a push head block matched with the opening at the end side of the die is arranged on the piston rod, and the push head block is communicated with the pressurizing injection device.
The principle of the invention is as follows:
the upper forming die and the lower forming die are mutually closed, and thus the die for water expansion forming is formed. The die of the special-shaped pipe fitting water expansion forming machine can be selected or processed according to the shape of the pipe fitting to be formed. Besides the upper and lower end sides, any end side of the mold may be reserved with two openings for injection of the molding liquid. According to the positions of the two openings at the end side of the die, a worker can move the position of the transverse adjusting seat to enable the transverse adjusting seat to move along the guide axis of the guide groove of the side cylinder, and according to the included angle between the two openings at the end side of the die, the circumferential adjusting seat is rotated to enable the side cylinder to be driven to rotate relative to the transverse adjusting seat, so that the push head blocks of the two side cylinders are aligned with the two openings at the end side of the die, and therefore the angle and the position required by the side cylinder are adjusted when the water swelling forming machine swells different products. The forming liquid is led out from the forming liquid storage device, and is input into the mould by the push head block after passing through the pressurizing injection device, so that the pipe fitting in the mould can be expanded and formed.
The two side cylinders can realize the position and angle adjustment of the side cylinders through the transverse adjusting seat and the circumferential adjusting seat, so that the die used by the special-shaped pipe fitting water expansion forming machine can be designed at will in the position of the opening and the included angle between the openings, the special-shaped pipe fitting water expansion forming machine can be suitable for processing and forming special-shaped pipe fittings, the position and the angle adjustment of the side cylinders are convenient, the operation of workers is facilitated, and the production efficiency is improved.
In order to fix the position of the transverse adjusting seat, a transverse adjusting fixing groove parallel to the side cylinder guide groove can be arranged in the frame, and the transverse adjusting fixing groove can be a T-shaped guide groove or a dovetail guide groove. The transverse adjusting seat is correspondingly provided with a positioning through hole communicated with the transverse adjusting fixing groove, and the positioning through hole penetrates through the whole transverse adjusting seat along the thickness direction of the transverse adjusting seat. The worker penetrates into the transverse adjustment fixing groove along the positioning through hole by using the bolt, and screws the nut, so that the position of the transverse adjustment seat can be fixed.
In order to ensure the position fixing of the circumferential adjustment seat, a plurality of circumferential adjustment fixing grooves can be arranged on the transverse adjustment seat, and the circumferential adjustment fixing grooves are arranged along the circumferential direction of the transverse adjustment seat. The circumferential adjustment fixing groove can be a T-shaped guide groove or a dovetail guide groove, a worker penetrates the bolt into the circumferential adjustment fixing groove and moves to the side of the circumferential adjustment seat, and the worker screws a nut and presses the nut onto the circumferential adjustment seat, so that the position of the circumferential adjustment seat can be fixed. In addition, the side pushing device can further comprise a plurality of circumferential adjustment seat fixing blocks, each circumferential adjustment seat fixing block comprises a pressing part capable of being pressed on the circumferential adjustment seat and a supporting part propped against the transverse adjustment seat, and a bolt through hole for a bolt to pass through is formed in each pressing part. The worker can utilize the circumference adjustment seat fixed block, penetrate the circumference adjustment fixed slot with the bolt and pass circumference adjustment seat fixed block through the bolt via hole, screw on the nut makes circumference adjustment seat fixed block pressfitting on circumference adjustment seat, supplementary circumference adjustment seat's position is fixed.
In addition, in order to ensure the linkage property of the side cylinder and the circumferential adjustment seat, the side cylinder can be provided with a plurality of key grooves and a plurality of threaded holes, and the circumferential adjustment seat can be provided with a plurality of positioning keys matched with the key grooves and threaded through holes communicated with the threaded holes. The positioning key is embedded into the key groove, the bolt penetrates through the threaded through hole and is screwed into the threaded hole, and the linkage of the side cylinder and the circumferential adjusting seat can be effectively ensured through key groove matching and threaded matching.
In order to realize the pressurization of the forming liquid, the pressurizing injection device can comprise a pressurizing cylinder and an injection cylinder which are both fixed on the frame, wherein a piston rod of the pressurizing cylinder is connected with a piston rod of the injection cylinder, a plurality of liquid outlets communicated with the push head block are arranged on a cylinder body of the injection cylinder, and the cylinder body volume of the pressurizing cylinder is larger than that of the injection cylinder. Because the cylinder body volume of the pressurizing cylinder is larger than that of the injection cylinder, when the pressurizing cylinder acts, a piston rod of the pressurizing cylinder pushes the piston cylinder of the injection cylinder, so that the pressurizing is realized.
The invention has the advantages of capability of processing special-shaped pipe fittings, small occupied area, strong applicability, convenient operation and the like.
Drawings
FIG. 1 is a schematic view of a water swelling forming machine for a profiled tubular element in an embodiment of the invention;
FIG. 2 is a partial schematic view of FIG. 1A;
FIG. 3 is a schematic view of a lower cross member in an embodiment of the invention;
FIG. 4 is a schematic view of a lateral adjustment seat according to an embodiment of the present invention;
FIG. 5 is a schematic view of a circumferential adjustment seat according to an embodiment of the present invention;
FIG. 6 is a schematic view of the bottom of a side cylinder in an embodiment of the invention;
fig. 7 is a schematic diagram illustrating the cooperation between the lateral adjustment seat and the circumferential adjustment seat according to an embodiment of the invention.
Reference numerals illustrate: 1-a water tank; 2-forming an upper die; 3-forming a lower die; 4-positioning columns; 5-positioning holes; 6-an upper cross beam; 7-a lower cross beam; 8-stand columns; 9-a movable cross beam; 10-a master cylinder; 11-a quick oil cylinder; 12-side cylinder guide grooves; 13-a transverse adjusting seat; 14-a circumferential adjustment seat; 15-side cylinder; 16-guiding adjusting blocks; 17-circumferential adjustment holes; 18-adjusting the fixing groove circumferentially; 19-a circumferential adjustment block; 20-pushing head blocks; 21-transversely adjusting the fixing groove; 22-positioning through holes; 23-keyway; 24-threaded holes; 25-positioning keys; 26-a threaded through hole; 27-a booster cylinder; 28-an injection cylinder; 29-a pull rod; 30-a liquid outlet; 31-a base; 32-cavities; 33-an emulsion recovery port; 34-a circumferential adjustment seat fixing block; 35-a press-fit portion; 36-a support; 37-bolt vias.
Detailed Description
The invention will be further described with reference to the drawings and examples.
The special-shaped pipe fitting water expansion forming machine shown in fig. 1-6 comprises a frame, a forming liquid storage device, a pressurizing injection device and a die, wherein in the embodiment, the forming liquid storage device adopts a water tank 1, and emulsion used for water expansion forming of a workpiece is stored in the water tank 1; the die consists of a forming upper die 2 and a forming lower die 3 which are matched with each other, wherein the forming upper die 2 is provided with a plurality of positioning columns 4 which are used for calibrating the positions of the forming upper die 2 and the forming lower die 3, and the forming lower die 3 is provided with a plurality of positioning holes 5 matched with the positioning columns 4. After the upper forming die 2 and the lower forming die 3 are closed, two openings are formed on the side face of the die, and an included angle is formed between the two openings.
In this embodiment, as shown in fig. 1, an upper beam 6 and a lower beam 7 are disposed in the frame, four parallel columns 8 are disposed between the upper beam 6 and the lower beam 7, and the columns 8 are perpendicular to the lower beam 7. The upright post 8 is provided with a movable cross beam 9, and the movable cross beam 9 can reciprocate along the guide axis of the upright post 8. The upper forming die 2 is arranged at the bottom of the movable cross beam 9, and the lower forming die 3 is arranged on the lower cross beam 7. The movable cross beam 9 descends along the upright post 8, so that the upper forming die 2 can be covered on the lower forming die, and the die is closed. In addition, in the frame, a main oil cylinder 10 and a quick oil cylinder 11 for driving the movable cross beam 9 to slide along the upright post 8 are further arranged on the upper cross beam 6, and a piston rod of the main oil cylinder 10 and a piston rod of the quick oil cylinder 11 are connected with the movable cross beam 9.
As shown in fig. 1 to 3, the lower cross member 7 is provided with a side cylinder guide groove 12, and the guide axis of the side cylinder guide groove 12 is perpendicular to the lifting axis of the movable cross member 9. The side cylinder guide groove 12 is a rectangular groove, and the notch of the rectangular groove faces upward. In addition, two side pushing devices positioned on the same side of the die are also arranged on the lower cross beam 7. In this embodiment, the side pushing device includes a lateral adjustment seat 13, a circumferential adjustment seat 14 and a side cylinder 15 stacked in sequence, where the lateral adjustment seat 13 is located on the side cylinder guide groove 12, and a guide adjustment block 16, a plurality of circumferential adjustment holes 17 facing the circumferential adjustment seat 14 and a plurality of circumferential adjustment fixing grooves 18 are disposed in the lateral adjustment seat 13, and the guide adjustment block 16 is embedded in the side cylinder guide groove 12 and can move along the guide axis of the side cylinder guide groove 12, and the circumferential adjustment fixing groove 18 is a T-shaped groove and is disposed along the circumferential direction of the lateral adjustment seat 13; the circumferential adjustment seat 14 is mounted on the transverse adjustment seat 13, and a circumferential adjustment block 19 is arranged in the circumferential adjustment seat 14, and the circumferential adjustment block 19 is embedded in a corresponding circumferential adjustment hole 17 and can rotate relative to the circumferential adjustment hole 17; the side cylinder 15 is mounted on the circumferential adjustment seat 14, and the side cylinder 15 is provided with a piston rod capable of reciprocally approaching the die, and the piston rod is provided with a push head block 20 matched with the end side opening of the die.
In this embodiment, two lateral adjustment fixing grooves 21 parallel to the lateral cylinder guiding groove 12 are further provided on the lower beam 7, and the lateral adjustment fixing grooves 21 are T-shaped grooves with their notches facing upwards. Meanwhile, the transverse adjustment seat 13 is correspondingly provided with a positioning through hole 22 communicated with the transverse adjustment fixing groove 21, and the positioning through hole 22 penetrates through the whole transverse adjustment seat 13 along the thickness direction of the transverse adjustment seat 13.
In this embodiment, in order to ensure the linkage between the side cylinder 15 and the circumferential adjustment seat 14, a plurality of keyways 23 and a plurality of threaded holes 24 are provided on the side cylinder 15, and a plurality of positioning keys 25 matching with the keyways 23 and threaded through holes 26 communicating with the threaded holes 24 are provided on the circumferential adjustment seat 14. The positioning key 25 is embedded into the key groove 23, and is screwed into the threaded hole 24 by using a bolt to pass through the threaded through hole 26, and the linkage property of the side cylinder 15 and the circumferential adjustment seat 14 can be effectively ensured by the matching of the key groove 23 and the threaded matching.
As shown in fig. 1, in the present embodiment, the booster injection device is constituted by a booster cylinder 27 and an injection cylinder 28, and the cylinder volume of the booster cylinder 27 is larger than the cylinder volume of the injection cylinder 28. The pressurizing cylinder 27 and the injection cylinder 28 are fixed on the frame, four pull rods 29 are arranged between the pressurizing cylinder 27 and the injection cylinder 28, and the axes of the pull rods 29 are parallel to the moving path of the piston rod of the pressurizing cylinder 27. The injection cylinder 28 is also provided with a plurality of liquid outlets 30 which are communicated with the push head block 20.
In this embodiment, a base 31 surrounding the lower beam 7 is also mounted on the frame, a cavity 32 is provided in the base 31, and the lower beam 7 is mounted in the cavity 32. One side of the cavity 32 is provided with an emulsion recovery port 33, and the emulsion recovery port 33 is communicated to the water tank 1 through a pipeline to realize recovery and reutilization of emulsion.
In this embodiment, the side pushing device further includes a plurality of circumferential adjustment seat fixing blocks 34, where the circumferential adjustment seat fixing blocks 34 include a pressing portion 35 that can be pressed on the circumferential adjustment seat 14 and a supporting portion 36 that abuts against the lateral adjustment seat 13, and a bolt through hole 37 through which a bolt passes is formed in the pressing portion 35. The worker can utilize the circumferential adjustment seat fixing block 34 to penetrate the bolt into the circumferential adjustment fixing groove 18 and penetrate the circumferential adjustment seat fixing block 34 through the bolt through hole 37, screw the nut to press the circumferential adjustment seat fixing block 34 on the circumferential adjustment seat 14, and assist in fixing the position of the circumferential adjustment seat 14.
The working process of the special-shaped pipe fitting water swelling forming machine is as follows:
according to the shape of the product to be expanded, a suitable mould is selected, the corresponding forming upper mould 2 is arranged on the movable cross beam 9, and the corresponding forming lower mould 3 is arranged on the lower cross beam 7. Subsequently, the worker moves the lateral adjustment seats 13 of the respective side pushing devices according to the openings at both end sides of the mold, and rotates the circumferential adjustment seats 14 of the respective side pushing devices so that the pusher blocks of the two side cylinders 15 are aligned with the two openings of the mold, respectively. Subsequently, the worker realizes the position fixing of the lateral adjustment seat 13 and the circumferential adjustment seat 14 of each side pushing device by using the cooperation of the lateral adjustment fixing groove 21, the positioning through hole 22 and the bolt and the cooperation of the circumferential adjustment fixing groove 18 and the bolt.
In the initial state, the movable cross beam 9 is positioned at the initial position, and the forming upper die 2 and the forming lower die 3 are in an open state. The worker puts the product to be expanded into the forming lower die 3, and starts the forming machine, the quick cylinder drives the movable cross beam 9 to quickly descend along the upright post 8 until the movable cross beam 9 descends a certain distance or touches a corresponding change-over switch, and the quick cylinder stops moving. At the same time, the main oil cylinder 10 acts to drive the movable cross beam 9 to slowly descend along the upright posts 8 until the upper forming die 2 and the lower forming die 3 are clamped under the calibration action of the positioning posts 4 and the positioning holes 5. After the die is closed, the main oil cylinder 10 keeps pressure maintaining, meanwhile, the side cylinder 15 is started, a piston rod of the side cylinder 15 drives the push head block 20 to advance, two opening ends extending into a product touch corresponding switches or reach the set pressure of the pressure relay, and the side cylinder 15 stops running and stays at the current position.
Under the action of the gear pump, the emulsion in the water tank 1 is injected into the injection cylinder 28 through the high-pressure check valve, and the emulsion in the injection cylinder 28 is injected into the forming lower die 3 through the high-pressure rubber pipe. After the emulsion is injected for a certain time or the liquid pressure in the forming lower die 3 reaches a set value, the gear pump stops injecting the emulsion into the injection cylinder 28, meanwhile, the piston rod of the pressurizing cylinder 27 pushes the piston rod of the injection cylinder 28 to pressurize the emulsion in the injection cylinder 28, the pressurized emulsion is injected into the forming lower die 3 through the push head block 20, meanwhile, the side cylinder 15 advances and supplements according to the set pressure or the set curve, the advancing speed of the side cylinder 15 is matched with the expanding and contracting speed of the product, and the product begins to expand. After the emulsion in the injection cylinder 28 reaches the set bulging pressure, the pressurizing cylinder 27 starts to release pressure and returns, and then the main oil cylinder 10 releases pressure and drives the movable cross beam 9 to rise, so that the die is opened. After the movable cross beam 9 rises to the initial position, the main oil cylinder 10 stops acting, the side cylinder 15 drives the push head block 20 to return to touch the corresponding switch, and the side cylinder 15 stops running, so that a worker can take out the expanded product in the forming lower die 3.
The present invention is exemplified in the description of the preferred embodiments only, and all technical equivalents made under the working principle and thought of the present invention are considered as the protection scope of the present invention.
Claims (6)
1. A water expansion forming machine for special-shaped pipe fittings comprises a frame, a forming liquid storage device, a pressurizing injection device and a die; the forming liquid storage device is communicated with the pressurizing injection device; a movable cross beam which can be lifted relative to the frame is arranged in the frame; the die comprises a forming upper die and a forming lower die which are matched with each other, wherein the forming upper die is fixed on the movable cross beam, and the forming lower die is fixed on the frame; the method is characterized in that: a side cylinder guide groove with a guide axis perpendicular to the lifting axis of the movable cross beam is arranged in the frame, and at least two side pushing devices are arranged on the side cylinder guide groove; the side pushing device comprises a transverse adjusting seat, a circumferential adjusting seat and a side cylinder which are sequentially stacked; the transverse adjusting seat is positioned on the side cylinder guide groove, and a guide adjusting block embedded in the side cylinder guide groove and a plurality of circumferential adjusting holes facing the circumferential adjusting seat are arranged in the transverse adjusting seat; the circumferential adjusting seat is arranged on the transverse adjusting seat, and a circumferential adjusting block which is rotatably connected with the circumferential adjusting hole is arranged in the circumferential adjusting seat; the transverse adjusting seat is provided with a plurality of circumferential adjusting and fixing grooves, and the circumferential adjusting and fixing grooves are arranged along the circumferential direction of the transverse adjusting seat; the side pushing device further comprises a plurality of circumferential adjustment seat fixing blocks; the circumferential adjustment seat fixing block comprises a pressing part which can be pressed on the circumferential adjustment seat and a supporting part which is propped against the transverse adjustment seat; a bolt through hole for the bolt to pass through is formed in the pressing part; the side cylinder is arranged on the circumferential adjusting seat, a piston rod which can reciprocate to be close to the die is arranged on the side cylinder, a push head block matched with an opening at the end side of the die is arranged on the piston rod, and the push head block is communicated with the pressurizing injection device.
2. The profiled tube water bulge forming machine as set forth in claim 1, wherein: a transverse adjustment fixing groove parallel to the side cylinder guide groove is arranged in the frame; the transverse adjusting seat is provided with a positioning through hole communicated with the transverse adjusting fixing groove, and the positioning through hole penetrates through the whole transverse adjusting seat along the thickness direction of the transverse adjusting seat.
3. The profiled tube water bulge forming machine as set forth in claim 2, wherein: the transverse adjustment fixing groove is a T-shaped guide groove or a dovetail guide groove.
4. The profiled tube water bulge forming machine as set forth in claim 1, wherein: the circumferential adjustment fixing groove is a T-shaped guide groove or a dovetail guide groove.
5. The profiled tube water bulge forming machine as set forth in claim 1, wherein: the side cylinder is provided with a plurality of key grooves and a plurality of threaded holes; the circumferential adjusting seat is provided with a plurality of positioning keys matched with the key grooves and threaded through holes communicated with the threaded holes.
6. The profiled tube water bulge forming machine as set forth in claim 1, wherein: the pressurizing injection device comprises a pressurizing cylinder and an injection cylinder which are both fixed on the frame; the piston rod of the pressurizing cylinder is connected with the piston rod of the injection cylinder, a plurality of liquid outlets communicated with the push head block are arranged on the cylinder body of the injection cylinder, and the cylinder body volume of the pressurizing cylinder is larger than that of the injection cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537352.4A CN107186038B (en) | 2017-07-04 | 2017-07-04 | Water expansion forming machine for special-shaped pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537352.4A CN107186038B (en) | 2017-07-04 | 2017-07-04 | Water expansion forming machine for special-shaped pipe fitting |
Publications (2)
| Publication Number | Publication Date |
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| CN107186038A CN107186038A (en) | 2017-09-22 |
| CN107186038B true CN107186038B (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710537352.4A Active CN107186038B (en) | 2017-07-04 | 2017-07-04 | Water expansion forming machine for special-shaped pipe fitting |
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| CN (1) | CN107186038B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107866459B (en) * | 2017-11-29 | 2024-05-10 | 佛山市永恒液压机械有限公司 | Internal high-pressure forming machine for processing clamping and pressing type pipe fitting |
| CN109454146B (en) * | 2018-12-29 | 2024-05-14 | 浙江哈尔斯真空器皿股份有限公司 | Vertical water expansion die |
| CN110227752B (en) * | 2019-06-21 | 2020-11-17 | 江西中鼎金属工艺有限公司 | Metal sealing part water expansion forming equipment |
| CN113118288B (en) * | 2021-04-22 | 2021-11-23 | 哈尔滨工业大学 | Die press suitable for internal high-pressure forming production and internal high-pressure forming process |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3514159B2 (en) * | 1999-03-23 | 2004-03-31 | 住友金属工業株式会社 | Hydraulic bulging apparatus for metal pipe and method for manufacturing metal pipe |
| CN201511072U (en) * | 2009-08-27 | 2010-06-23 | 佛山市禅城区永恒液压机械有限公司 | Hydraulic pressurization system |
| CN201969807U (en) * | 2010-11-16 | 2011-09-14 | 朱克云 | Demoulding device for elbow cold-pushing forming hydraulic press |
| CN203610462U (en) * | 2013-11-20 | 2014-05-28 | 维格斯(上海)流体技术有限公司 | Water swelling machine forming machine |
| CN203621185U (en) * | 2014-01-06 | 2014-06-04 | 丽水市海卓科技有限公司 | Fast mold adjusting device for inner high-pressure forming |
| CN204817739U (en) * | 2015-08-13 | 2015-12-02 | 宁波思明汽车科技股份有限公司 | High -pressure fashioned work platen in being used for |
| CN205270512U (en) * | 2016-01-22 | 2016-06-01 | 湖州恒大液压设备有限公司 | Vertical three -dimensional water machine that rises |
| CN105964755B (en) * | 2016-05-24 | 2018-01-09 | 桂林电子科技大学 | A kind of multifunction automatic internal high-pressure forming machine |
| CN205887772U (en) * | 2016-06-12 | 2017-01-18 | 广东思豪液压机械有限公司 | Multi -angle removes tee bend water swelling machine of axial feed jar |
| CN207057368U (en) * | 2017-07-04 | 2018-03-02 | 佛山市永恒液压机械有限公司 | A kind of section tube water swelling forming machine |
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