CN111434407A - Flexible cross beam type spiral locking pipe fitting or sectional material hydraulic forming workstation equipment - Google Patents
Flexible cross beam type spiral locking pipe fitting or sectional material hydraulic forming workstation equipment Download PDFInfo
- Publication number
- CN111434407A CN111434407A CN201910032318.0A CN201910032318A CN111434407A CN 111434407 A CN111434407 A CN 111434407A CN 201910032318 A CN201910032318 A CN 201910032318A CN 111434407 A CN111434407 A CN 111434407A
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- Prior art keywords
- cross beam
- die
- locking
- hydraulic
- hydraulic cylinder
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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
-
- 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
- B21D26/035—Deforming tubular bodies including an additional treatment performed by fluid pressure, e.g. perforating
-
- 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
- B21D26/039—Means for controlling the clamping or opening of the moulds
-
- 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
- B21D26/041—Means for controlling fluid parameters, e.g. pressure or temperature
-
- 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
Abstract
The invention provides a flexible cross beam type spiral locking pipe fitting or sectional material hydraulic forming workstation device, which comprises: the device comprises a foundation, a movable workbench, an upright post, a pull rod, a cross beam, a spiral locking device, a die assembly locking pin, a lifting hydraulic cylinder, an electric control system, a hydraulic system, a punching energy storage system, a rapid and medium-speed water injection system and an internal pressurization system; four vertical stand columns are arranged on the foundation, a horizontal pull rod is erected between every two adjacent stand columns, a horizontal cross beam is arranged on the inner side of the pull rod, the bottom of the cross beam is connected with a lifting hydraulic cylinder, and the cross beam moves up and down along the stand columns under the action of the lifting hydraulic cylinder. The spiral locking device provides a mold locking force, and no matter how large recoil is generated by the spiral locking device, the mold locking cross beam is greatly deformed in the elastic deformation range, the pressure applied to the mold cannot be influenced, and a workpiece cannot be deformed; the flexible and movable cross beam is adopted to replace a hydraulic cylinder of a press to provide a mold clamping force, the equipment is designed in a light weight mode, and loads can be uniformly distributed on the table surface of the cross beam, so that the deformation amount of the mold is smaller.
Description
Technical Field
The invention mainly relates to the field of hydraulic forming equipment, in particular to flexible cross beam type spiral locking pipe fitting or sectional material hydraulic forming workstation equipment which is suitable for hydraulic forming of metal pipe fittings or sectional materials such as steel, aluminum alloy, magnesium alloy and the like.
Background
The hydroforming technology is also called as internal high pressure forming technology, and uses liquid media such as water and the like to generate huge pressure under the action of high pressure to serve as a male die or a female die of a die, so that the workpiece is attached to a die cavity of the die and plastic forming is carried out, and finally a component with a required shape is obtained. The hydraulic forming is adopted, the pipe fitting or the section bar is formed under the action of hydrostatic pressure stress, the forming property is good, deep drawing and bulging can be carried out, the stress of the component is the pressure stress, the rebound quantity is small, the forming size is accurate and stable, and the method is an important processing method for realizing complex workpiece and precise forming.
However, the main body of the hydraulic forming equipment is a large-tonnage hydraulic press, the liquid bulging pressure is usually 150-. By combining the factors, the hydraulic forming press has the requirements of good rigidity, long stroke, large tonnage and very large investment, and is a main source of the hydraulic forming production cost of large-scale components.
The published Chinese invention patent, publication No. CN107052126A, patent name: pipe hydroforming apparatus, application date: 20130413, the present invention relates to a tube hydroforming apparatus comprising: the device comprises a press device, a water injection system, a pressure maintaining and relieving system, a linkage control system and a die, wherein the press device is used for providing a power source for positioning, forming, punching and taking out a workpiece for the die, and specifically provides external pressure for forming the workpiece; the water injection system is used for flushing and exhausting low pressure in the workpiece to form water circulation; the pressure maintaining and relieving system maintains the water pressure inside the workpiece, the workpiece is subjected to the internal water pressure and the external press pressure, and the molding is completed under the internal and external dual pressures.
Disclosure of Invention
The invention provides a flexible cross beam type spiral locking pipe fitting or sectional material hydraulic forming workstation device, which comprises: the device comprises a foundation, a movable workbench, an upright post, a pull rod, a cross beam, a spiral locking device, a die assembly locking pin, a lifting hydraulic cylinder, an electric control system, a hydraulic system, a punching energy storage system, a rapid and medium-speed water injection system and an internal pressurization system; four upright posts 7 are arranged on the foundation 5, a horizontal pull rod 8 is erected between the adjacent upright posts 7, a cross beam 1 is arranged on the inner side of the pull rod 8, the bottom of the cross beam 1 is connected with a lifting hydraulic cylinder 4, and the cross beam 1 moves up and down along the upright posts 7 under the action of the lifting hydraulic cylinder 4.
Preferably, the foundation base 5 is provided with a movable workbench 6, and a sliding rail is arranged below the movable workbench 6. The movable workbench is used for transferring and supporting the mold.
Preferably, the bottom of the lifting hydraulic cylinder 4 is fixed on the foundation 5 and is used for driving the beam 1 to move up and down; the moving speed of the opening and closing is 0-1200m/s, the stroke is 400-1800mm, and the lifting hydraulic cylinder can be replaced by an air cylinder or a motor.
Preferably, a plurality of die holders 10 are arranged on the lower bottom surface of the cross beam 1, an upper die 11 of the die is installed through the die holders 10, and the distance between the cross beam and the bottom surface of the upper die 11 when the cross beam is stationary under the action of gravity is the stroke required by workpiece forming and die pre-tightening locking, and is usually 0-150 mm.
Preferably, a plurality of spiral locking devices 3 are further arranged at the lower bottom of the cross beam 1 and are uniformly distributed in an array shape according to the stress principle, so that a driving force for die assembly of a die and a die locking force required by hydraulic bulging of the pipe fitting or the section 13 are provided, the stroke is 0-150mm, and the force provided by the method is 800-20000 tons.
Preferably, a vertical guide rail 9 is arranged on the side surface of the upright post 7, a sliding block is arranged on the side surface of the cross beam 1, and the cross beam is in sliding fit with the guide rail 9 through the sliding block to realize that the cross beam 1 moves up and down along the upright post 7; as a rotary ejection backer of a spiral locking device, the beam 1 adopts a light weight design, and the deflection is 1/1000-1/8000 under full load. .
Preferably, a plurality of mold closing locking pins 2 are arranged on the lower bottom surface of the pull rod 8, the mold closing locking pins 2 are pushed in and pulled out through a hydraulic cylinder, an air cylinder or an electric device, and are in clearance fit with the cross beam at the bottom dead center of the cross beam, and the clearance is 0-50 mm.
Preferably, a hydraulic system is further included and is used for providing hydraulic driving force for the lifting hydraulic cylinder 4 and the mold closing locking pin 2.
Preferably, the hydraulic expansion device further comprises a quick and medium-speed water injection system and an internal pressurization system, wherein the internal pressurization system works under the coordination of the action of the die, and the cross beam 1 and the movable workbench 6 provide a die locking force to jointly complete the hydraulic expansion of the pipe fitting or the section 13.
Preferably, the hydraulic expansion device further comprises a punching energy storage system, wherein the punching energy storage system works when the pipe or the section 13 is about to complete hydraulic expansion, and the pipe or the section 13 is subjected to in-mold punching.
Preferably, the device also comprises an electric control system, wherein the electric control system is used for linkage control of a hydraulic system, a rapid and medium-speed water injection system and an internal pressurization system and is also used for driving the rotation motion of the spiral locking device.
The invention has the beneficial effects that: the spiral locking device provides a mold locking force, and no matter how large recoil is generated by the spiral locking device, the mold locking cross beam generates large deformation in the elastic deformation range, the pressure applied to the plate hydraulic forming mold cannot be influenced, and the workpiece cannot deform; adopt flexible, mobilizable crossbeam to replace press pneumatic cylinder to provide the clamping force, carry out the lightweight design under the prerequisite of guaranteeing that equipment does not take place plastic deformation, load distribution also can fill crossbeam mesa evenly arranged for the mould warp littleer.
Drawings
FIG. 1 is a block diagram of a hydroforming station apparatus according to the present invention;
FIG. 2 is a schematic representation of the operation of the hydraulic station of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a cross beam; 2. a mold closing locking pin; 3. a screw locking device; 4. a lifting hydraulic cylinder; 5. foundation; 6. moving the working table; 7. a column; 8. a pull rod; 9. a guide rail; 10. a mold clamping device; 11. an upper die; 12. a lower die; 13. a pipe or a profile; 14. an axial cylinder; 15. and (5) a punching oil cylinder.
Detailed Description
As shown in fig. 1 to 2, the present invention includes: the device comprises a foundation base 5, a movable workbench, an upright post 7, a pull rod 8, a cross beam 1, a spiral locking device 3, a die assembly locking pin 2, a lifting hydraulic cylinder 4, an electric control system, a hydraulic system, a punching energy storage system, a rapid and medium-speed water injection system and an internal pressurization system; four upright posts 7 are arranged on the foundation 5, a horizontal pull rod 8 is erected between the adjacent upright posts 7, a cross beam 1 is arranged on the inner side of the pull rod 8, the bottom of the cross beam 1 is connected with a lifting hydraulic cylinder 4, and the cross beam 1 moves up and down along the upright posts 7 under the action of the lifting hydraulic cylinder 4.
Preferably, a horizontal moving table 6 is mounted on the foundation base 5, and in the operating state, the moving table 6 is located below the cross beam 1. The movable workbench 6 is used for placing the mold, and the movable workbench 6 can move back and forth along the sliding rails, so that the mold is convenient to transport, and the mold is supported.
Preferably, a lifting hydraulic cylinder 4 is installed on the foundation base 5, and a piston rod of the lifting hydraulic cylinder 4 is connected with the cross beam 1 and used for driving the cross beam 1 to move up and down; the moving speed of the opening and closing is 0-1200m/s, the stroke is 400-1800mm, and the lifting hydraulic cylinder 4 can also be replaced by an air cylinder/motor
Set up above-mentioned structure, promotion pneumatic cylinder 4 only provides the required power that opens and shuts of mould, generally is not used for providing the shaping power of plate, can realize that the mould opens and shuts fast, very big improvement the takt.
Preferably, the bottom of the beam 1 is provided with a plurality of die holders 10, an upper die 11 of the die is installed through the die holders 10, and a gap between the die holders 10 and the bottom surface of the upper die 11 when the die holders stand still under the action of gravity is a stroke required by workpiece forming and die pre-tightening locking, and is usually 0-150 mm.
By the aid of the structure, the die assembly locking pin can be smoothly pushed and withdrawn, and interference with the cross beam does not occur.
Preferably, a plurality of spiral locking devices 3 are further arranged on the lower bottom surface of the cross beam 1, and are distributed uniformly in an array shape according to the principle of uniform stress, the cross beam 1 is used as a backer support to provide a driving force for die assembly of a die and a die locking force required by hydraulic bulging of the pipe fitting or the section bar 13, the general working stroke is 0-150mm, and the force provided by the spiral locking devices is 800-20000 tons.
By adopting the structure, the beam 1 is used as a backer for supporting, the spiral locking device applies acting force required by a workpiece to the die in the forming and die locking processes, and the load distribution can be uniformly distributed on the table top of the beam. Meanwhile, the spiral locking device has smaller stroke, and the equipment investment cost is greatly reduced.
Preferably, each upright post 7 is provided with a vertical guide rail 9, the side surface of the beam 1 is provided with a sliding block, and the beam 1 can move up and down along the upright posts 7 through the sliding fit of the sliding block and the guide rails 9; as a backer of the screw locking device 3, the beam 1 adopts a light weight design, and the deflection is 1/1000-1/8000 under full load.
By adopting the structure, the guide rail 9 on the upright post provides the guide for the up-and-down movement of the beam 1, and the beam movement is ensured to be in a high-precision state. Meanwhile, the spiral locking device provides locking force for the die, even if the cross beam deforms in the elastic deformation range, the die locking force applied to the die cannot be influenced, and the requirement on the rigidity of the equipment cross beam is lowered.
Preferably, a plurality of mold closing locking pins 2 are arranged on the lower bottom surface of the pull rod 8, the mold closing locking pins 2 are pushed in and pulled out through a hydraulic cylinder, an air cylinder or an electric device, and are in clearance fit with the cross beam at the bottom dead center of the cross beam, and the clearance is 0-50 mm.
With the above structure, the mold closing locking pin 2 can push the top dead center of the upward floating of the beam without interfering with the beam; when the upward movement of the beam 1 exceeds 1-150mm, the beam is limited by the locking pin 2 of the die assembly, so that the beam can provide the pressure required by the forming of the pipe fitting or the section 13 and the die locking force required by the hydraulic bulging.
Preferably, a hydraulic system is further included and is used for providing hydraulic driving force for the lifting hydraulic cylinder 4 and the mold closing locking pin 2.
Preferably, the hydraulic expansion device further comprises a quick and medium-speed water injection system and an internal pressurization system, wherein the internal pressurization system works under the coordination of the action of the die, and the cross beam 1 and the movable workbench 6 provide a die locking force to jointly complete the hydraulic expansion of the pipe fitting or the section 13.
Set up above-mentioned structure, will separate quick water injection and pressure boost process, greatly improved the beat of production.
Preferably, the device also comprises an electric control system, wherein the electric control system is used for linkage control of a hydraulic system, a rapid and medium-speed water injection system and an internal pressurization system and is also used for driving the rotation of the spiral locking device.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (10)
1. The utility model provides a flexible crossbeam formula spiral locking pipe fitting or section bar hydraulic forming workstation equipment which characterized in that: the device comprises a foundation (5), a movable workbench (6), an upright post (7), a pull rod (8), a cross beam (1), a spiral locking device (3), a mold closing locking pin (2), a lifting hydraulic cylinder (4), an electric control system, a hydraulic system, a punching energy storage system, a rapid and medium-speed water injection system and an internal pressurization system; four upright posts (7) are arranged on the foundation (5), a horizontal pull rod (8) is erected between the adjacent upright posts (7), a cross beam (1) is arranged on the inner side of the pull rod (8), the bottom of the cross beam (1) is connected with a lifting hydraulic cylinder (4), and the cross beam (1) moves up and down along the upright posts (7) under the action of the lifting hydraulic cylinder (4).
2. A flexible beam screw locking tube or profile hydroforming station according to claim 1, characterized in that: install shift table (6) on foundation basis (5), be equipped with the slide rail below shift table (6).
3. A flexible beam screw locking tube or profile hydroforming station according to claim 2, characterized in that: the lifting hydraulic cylinder (4) is arranged on the foundation (5) and is used for driving the beam (1) to move up and down, the moving speed of opening and closing is 0-1200m/s, and the stroke is 400-1800 mm.
4. A flexible beam screw locking tube or profile hydroforming station according to claim 1, characterized in that: the bottom of the cross beam (1) is provided with a die clamper (10), an upper die (11) of the die is installed through the plurality of die clampers (10), and the clearance between the cross beam (1) and the bottom surface of the upper die (11) is 0-150mm which is the stroke required by workpiece forming and die pre-tightening lock when the cross beam is static under the action of gravity.
5. A flexible beam screw lock pipe or profile hydroforming station according to claim 4, characterized in that: the bottom of the beam (1) is also provided with a plurality of spiral locking devices (3) which provide driving force for die assembly and die locking force required by hydraulic bulging of the pipe fitting or the section bar (13), the stroke is 0-150mm, and the provided force is 800-20000 tons.
6. A flexible beam screw locking tube or profile hydroforming station according to claim 1, characterized in that: vertical guide rails (9) are arranged on the side faces of the upright posts (7), sliding blocks (14) are arranged on the side faces of the cross beams (1), the cross beams are in sliding fit with the guide rails (9) through the sliding blocks (14), the cross beams (1) move up and down along the upright posts (7) and serve as supports for rotary ejection of the spiral locking devices (3), the cross beams (1) are designed in a light weight mode, and deflection is 1/1000-1/8000 under full load.
7. A flexible beam screw locking tube or profile hydroforming station according to claim 1, characterized in that: the lower bottom surface of the pull rod (8) is provided with a plurality of die-closing locking pins (2), the die-closing locking pins (2) are pushed in and withdrawn through a hydraulic cylinder, an air cylinder or an electric device, and are in clearance fit with the bottom dead center of the cross beam (1), and the clearance is 0-50 mm.
8. A flexible beam screw lock pipe or profile hydroforming station according to claim 7, characterized in that: the hydraulic system is used for providing hydraulic driving force for the lifting hydraulic cylinder (4) and the die closing locking pin (2).
9. A flexible beam screw locking tube or profile hydroforming station according to claim 8, characterized in that: the hydraulic bulging device also comprises a quick and medium-speed water injection system and an internal pressurization system, wherein the internal pressurization system works under the coordination of the action of the die, and the cross beam (1) and the movable workbench (6) provide die locking force to jointly complete the hydraulic bulging of the pipe fitting or the section (13).
10. A flexible beam screw locking tube or profile hydroforming station according to claim 9, characterized in that: the hydraulic expansion die further comprises a punching energy storage system, and the punching energy storage system provides hydraulic driving force for in-die punching of the pipe fitting or the section (13) when the pipe fitting or the section (13) is about to complete hydraulic expansion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032318.0A CN111434407A (en) | 2019-01-14 | 2019-01-14 | Flexible cross beam type spiral locking pipe fitting or sectional material hydraulic forming workstation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910032318.0A CN111434407A (en) | 2019-01-14 | 2019-01-14 | Flexible cross beam type spiral locking pipe fitting or sectional material hydraulic forming workstation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111434407A true CN111434407A (en) | 2020-07-21 |
Family
ID=71580039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910032318.0A Withdrawn CN111434407A (en) | 2019-01-14 | 2019-01-14 | Flexible cross beam type spiral locking pipe fitting or sectional material hydraulic forming workstation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111434407A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115846497A (en) * | 2022-12-20 | 2023-03-28 | 烟台丛林精密机械有限公司 | Superplastic forming equipment |
-
2019
- 2019-01-14 CN CN201910032318.0A patent/CN111434407A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115846497A (en) * | 2022-12-20 | 2023-03-28 | 烟台丛林精密机械有限公司 | Superplastic forming equipment |
| CN115846497B (en) * | 2022-12-20 | 2024-02-23 | 烟台丛林精密机械有限公司 | Superplastic forming equipment |
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Application publication date: 20200721 |