CN211539140U - Flexible cross beam type pull rod locking plate hydraulic forming workstation equipment - Google Patents
Flexible cross beam type pull rod locking plate hydraulic forming workstation equipment Download PDFInfo
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- CN211539140U CN211539140U CN201920061868.0U CN201920061868U CN211539140U CN 211539140 U CN211539140 U CN 211539140U CN 201920061868 U CN201920061868 U CN 201920061868U CN 211539140 U CN211539140 U CN 211539140U
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Abstract
The utility model aims at providing a flexible cross beam type pull rod locking plate hydraulic forming workstation device, which comprises a die assembly oil cylinder, a cross beam, an upper die, a lower die, a workbench, a guide post, a driving device, a locking screw rod, a locking nut and a hydraulic chamber; the cross beam, the upper die, the lower die and the workbench are sequentially arranged from top to bottom; the upper die is fixed on the cross beam, the lower die is fixed on the workbench, and the workbench is provided with a guide post; the driving device is fixed on the lower die, the locking screw is connected with the driving device, and the locking nut is fixed on the upper die; the die closing oil cylinder is fixed between the cross beam and the workbench; the utility model has the advantages that the locking screw rod is matched with the locking nut in a rotating way, and the locking screw rod is used as a pull rod to lock the mould, so as to provide the locking force for hydraulic forming of the plate, greatly reduce the requirement on the tonnage of the press and reduce the investment cost of equipment; meanwhile, the mold can be designed in a light weight mode, and the production beat is faster.
Description
Technical Field
The utility model relates to a hydroforming equipment field especially relates to a flexible crossbeam formula pull rod locking plate hydroforming workstation equipment, is applicable to metal sheet materials 'such as steel, aluminum alloy, magnesium alloy's hydroforming.
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 plate or the pipe fitting is formed under the action of hydrostatic pressure stress, the forming performance 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 is required to have good rigidity, long stroke, large tonnage, large mold tonnage and large investment, and is a main source of the hydraulic forming production cost of large-scale components.
The published Chinese utility model patent has the publication number: CN206083537U, patent name: the utility model provides an interior high-pressure bulging device of deep die cavity panel part, application date: 20160831, it discloses an internal high-pressure bulging device for deep cavity plate parts, comprising a main machine part, a hydraulic control part, a computer automatic control part, wherein the main machine part comprises a frame and an ultrahigh pressure liquid filling chamber, both ends of the ultrahigh pressure liquid filling chamber are provided with edge pressing cylinders, the top of the edge pressing cylinders and the ultrahigh pressure liquid filling chamber are provided with edge pressing sliders, the edge pressing sliders are connected with the edge pressing cylinders, the top of the edge pressing sliders is provided with an excessive seat, the edge pressing sliders are internally provided with holes matched with the excessive seat, and the excessive seat performs piston movement in the holes; the ultrahigh pressure liquid filling chamber is connected with a pressure cylinder through a high pressure pipe, the hydraulic control part is respectively connected with the frame, the edge pressing slide block and the pressure cylinder through electric wires, and the automatic computer control part is connected with the hydraulic control part through electric wires. The utility model has the advantages that: the forming die can form parts which can not be formed or can be formed for many times by the traditional common forming process, and has the advantages of high forming precision, good part surface quality and high die attachment degree.
The utility model discloses a locking screw on the equipment acts as the pull rod, will go up the taut lock of lower mould and provide the required die locking power that the plate takes shape together, has solved the required press of plate hydroforming and the high problem of mould tonnage, has greatly reduced equipment investment cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a flexible beam type pull rod locking plate hydraulic forming workstation device, which comprises a beam 1, an upper die 2, a lower die 3, a workbench 4, a guide post 5, a die assembly oil cylinder 6, a driving device 8, a locking screw 7, a locking nut 9 and a hydraulic chamber 10;
the beam 1, the upper die 2, the lower die 3 and the workbench 4 are sequentially arranged from top to bottom; the upper die 2 is fixed on the cross beam 1; the lower die 3 is fixed on the workbench 4; the lower end of the guide post 5 is fixed on the workbench 4 and guides the beam;
the driving device 8 is fixed on the lower die 3; the locking screw 7 is connected with a driving device 8; the locking nut 9 is fixed on the upper die 2; the locking nut 9 is matched with the locking screw 7; the die closing oil cylinder 6 is fixed between the cross beam 1 and the workbench 4.
Preferably, the hydraulic system 13 is further included, and the hydraulic system 13 is connected with the mold clamping cylinder 6.
Preferably, a water injection and pressurization system 14 is also included; the water injection and pressurization system 14 is connected with the hydraulic chamber 10 on the mold.
Preferably, the mold locking mode is pull rod locking, and the driving device 8 drives the locking screw 7 to rotate.
Preferably, a plurality of locking screws 7 and locking nuts 9 matched with the driving device 8 are arranged; a plurality of locking screws 7 and locking nuts 9 matched with the driving device 8 are uniformly distributed around the cavities of the upper die 2 and the lower die 3.
Preferably, the driving device 8 is provided with a feedback system, and the pretightening force of the mold is controlled by rotationally connecting the locking screw 7 with the locking nut 9.
Preferably, the upper die 2 and the lower die 3 are designed to be light.
Preferably, the beam 1 is designed in a light weight mode, the die closing oil cylinder 6 adopts a small-tonnage driving force, the opening and closing moving speed is 0-1200m/s, and the stroke is 400-1800 mm.
The beneficial effects of the utility model are that serve as the pull rod through the locking screw and lock the mould, reduced the demand to the rigidity of piece hydraulic pressure station equipment that takes shape, realize that press and mould are more lightweight. Meanwhile, on the premise of not reducing the use performance, the equipment structure is simpler, and the production beat is faster.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, the position of the upper end of the main shaft,
1. a cross beam; 2. an upper die; 3. a lower die; 4. a work table; 5. a guide post; 6. a die closing oil cylinder; 7, locking the screw rod; 8. a drive device; 9. a lock nut; 10. a hydraulic chamber; 11. forming a plate; an electronic control system; 13. a hydraulic system; 14. water injection, pressure boost system.
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are provided for illustrative and explanatory purposes only and should not be construed as limiting the scope of the present invention in any way.
The utility model provides a flexible cross beam type pull rod locking plate hydraulic forming workstation device, which comprises a cross beam 1, an upper die 2, a lower die 3, a workbench 4, a guide post 5, a die closing oil cylinder 6, a driving device 8, a locking screw 7, a locking nut 9 and a hydraulic chamber 10;
the beam 1, the upper die 2, the lower die 3 and the workbench 4 are sequentially arranged from top to bottom; the upper die 2 is fixed on the cross beam 1; the lower die 3 is fixed on the workbench 4; the lower end of the guide post 5 is fixed on the workbench 4 and guides the beam;
the driving device 8 is fixed on the lower die 3; the locking screw 7 is connected with a driving device 8; the locking nut 9 is fixed on the upper die 2; the locking nut 9 is matched with the locking screw 7; the die closing oil cylinder 6 is fixed between the cross beam 1 and the workbench 4.
In the present embodiment, it is preferable that a hydraulic system 13 is further included, and the hydraulic system 13 is connected to the mold clamping cylinder 6.
With the above structure, the hydraulic system 13 is used to provide the hydraulic driving force of the mold clamping cylinder 6.
In the embodiment, a water injection and pressurization system 14 is preferably further included, and the water injection and pressurization system 14 is connected with the hydraulic chamber 10 on the mold.
With the above structure, the water injection and pressurization system 14 is used for completing the rapid water injection of the hydraulic chamber 10 and the hydraulic bulging of the plates; the switching between the water injection process and the pressurization process is completed through the electromagnetic overflow valve, and the production takt is improved.
In the preferred embodiment, the locking mode of the mold is pull rod locking, and the driving device 8 drives the locking screw 7 to rotate to serve as a pull rod to lock the upper mold and the lower mold.
In this embodiment, preferably, a plurality of the lock screws 7 and the lock nuts 9 are provided, which are engaged with the driving device 8; a plurality of locking screws 7 and locking nuts 9 matched with the driving device 8 are uniformly distributed around the cavities of the upper die 2 and the lower die 3.
By adopting the structure, the locking screw 7 and the locking nut 8 are uniformly distributed around the formed plate, and the upper die and the lower die are tensioned and locked together, so that the die locking force is directly exerted on the dies.
In this embodiment, the driving device 8 is preferably provided with a feedback system, and the pretightening force of the mold is controlled by rotationally connecting the locking screw 7 and the locking nut 9, and generally 10-70% of the pretightening force of the forming force is applied.
With the structure, the driving device 8 can be a motor, a hydraulic or pneumatic device, and the control of the pre-tightening force of the die is realized through an electric control system.
In this embodiment, the upper mold 2 and the lower mold 3 may be designed to be light and have a smaller amount of mold deformation.
By adopting the structure, the die holder can be made of forged steel or a casting body, the die insert is designed in a light weight manner, and the minimum distance between the die cavity and the bottom of the insert is 20-150 mm.
In the preferred embodiment, the beam 1 can adopt a lightweight design, the die closing oil cylinder can adopt a small-tonnage driving force, the opening and closing moving speed is 0-1200m/s, and the stroke is 400-1800 mm.
By adopting the structure, the locking screw 7 is used as a pull rod to provide locking force for the plate hydraulic forming equipment, so that the rigidity requirement on the equipment beam 1 is reduced, and the beam can realize light weight design; meanwhile, the die closing oil cylinder and the like only serve as driving forces for opening and closing the die, so that the opening and closing speed is higher, and the production takt is greatly improved.
The main working process is as follows:
placing the formed plate on a lower die 3, and driving an equipment beam 1 to quickly move downwards by a die assembly oil cylinder 6 to reach a preset closing point; the water injection system is matched to inject water into the hydraulic chamber 10, the driving device 11 rotates to drive the locking screw 7, and the locking nut 9 is matched and tensioned, so that the upper die 2 overcomes the forming resistance of a workpiece, and the forming, water injection and die assembly are completed.
After the die is closed to the bottom, the pressurization system works under the coordination of the action of the die, and the screw rod serves as a pull rod to provide the locking force of the die, so that the hydraulic bulging of the plate is completed. After the pressure of the pressurization system is relieved, the driving device is started to drive the locking screw rod to rotate reversely to realize the separation of the locking screw rod and the locking nut. And opening the mold and taking out the formed plate.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. A flexible cross beam type pull rod locking plate hydraulic forming workstation device comprises a cross beam (1), an upper die (2), a lower die (3), a workbench (4), a guide post (5), a die closing oil cylinder (6), a driving device (8), a locking screw rod (7), a locking nut (9) and a hydraulic chamber (10);
it is characterized in that the preparation method is characterized in that,
the beam (1), the upper die (2), the lower die (3) and the workbench (4) are sequentially arranged from top to bottom; the upper die (2) is fixed on the cross beam (1); the lower die (3) is fixed on the workbench (4); the lower end of the guide post (5) is fixed on the workbench (4) and guides the cross beam;
the driving device (8) is fixed on the lower die (3); the locking screw (7) is connected with a driving device (8); the locking nut (9) is fixed on the upper die (2); the locking nut (9) is matched with the locking screw rod (7); the die closing oil cylinder (6) is fixed between the upper die (2) and the lower die (3).
2. A flexible beam tie rod locking panel hydroforming station apparatus according to claim 1 wherein: the hydraulic system (13) is further included, and the hydraulic system (13) is connected with the die closing oil cylinder (6).
3. A flexible beam tie rod locking panel hydroforming station apparatus according to claim 2 wherein: the device also comprises a water injection and pressurization system (14); the water injection and pressurization system (14) is connected with the hydraulic chamber (10) on the mould.
4. A flexible beam lock panel hydroforming station device according to claim 1, characterized in that the mold locking is tie rod locking and the drive means (8) rotates the locking screw (7).
5. A flexible beam type tie rod locking plate hydroforming station device according to claim 4, characterized in that a plurality of said lock screws (7) and lock nuts (9) cooperating with said driving means (8) are provided; and the locking screws (7) and the locking nuts (9) which are matched with the driving device (8) are uniformly distributed around the cavities of the upper die (2) and the lower die (3).
6. A flexible beam tie rod lock plate hydroforming station device according to claim 5, characterized in that the drive means (8) is provided with a feedback system for controlling the mold pretension by means of a rotational connection of the lock screw (7) with the lock nut (9).
7. A flexible beam type tie rod locking panel hydroforming station according to claim 6, characterized in that said upper die (2) and said lower die (3) are of lightweight design.
8. The flexible cross-beam type tie rod locking plate hydroforming workstation equipment according to claim 7, wherein the cross beam (1) is designed in a lightweight way, the closing cylinder (6) adopts a small tonnage driving force, the moving speed of opening and closing is 0-1200m/s, and the stroke is 400-1800 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061868.0U CN211539140U (en) | 2019-01-14 | 2019-01-14 | Flexible cross beam type pull rod locking plate hydraulic forming workstation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061868.0U CN211539140U (en) | 2019-01-14 | 2019-01-14 | Flexible cross beam type pull rod locking plate hydraulic forming workstation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211539140U true CN211539140U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920061868.0U Active CN211539140U (en) | 2019-01-14 | 2019-01-14 | Flexible cross beam type pull rod locking plate hydraulic forming workstation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211539140U (en) |
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- 2019-01-14 CN CN201920061868.0U patent/CN211539140U/en active Active
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