Double-curvature skin part forming tool
By designing a double-curvature skin part forming fixture with a plate removal structure and an alignment structure, the problem of difficult demolding caused by high temperature was solved, realizing rapid non-contact demolding and efficient forming, thus improving work efficiency and forming rate.
Patent Information
- Application Number
- CN202520364624.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Conventional hyperbolic skin parts cannot be directly demolded after forming due to high temperatures, affecting work efficiency.
A forming fixture for hyperbolic skin parts, including a plate removal structure and an alignment structure, was designed. The plate removal structure enables contactless demolding, and the rotating base frame and flipping lower mold in the plate removal structure enable rapid demolding. The alignment structure ensures mold alignment and prevents displacement of the aluminum alloy plate.
It enables rapid, non-contact demolding of aluminum alloy parts, improving the working efficiency and forming rate of forming tooling and reducing dimensional deviations.
Smart Images
Figure CN223875888U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of aluminum alloy plate, concretely relates to a double curvature skin part forming tool. BACKGROUND
[0002] The forming of the double curvature skin part is mainly realized through stretch forming (referred to as stretch forming).
[0003] The conventional double curvature skin part is basically formed by pressing and heating through the upper and lower molds during stretch forming, but the part cannot be directly contacted and taken out from the mold after forming due to high temperature, which makes it necessary to wait for cooling before demolding after forming of each part, indirectly resulting in low working efficiency of the double curvature skin part during stretch forming.
[0004] Therefore, the utility model is provided. UTILITY MODEL CONTENT
[0005] To solve the problem of low working efficiency of the conventional double curvature skin part during forming, the basic concept of the technical scheme of the utility model is as follows:
[0006] A double curvature skin part forming tool, comprising:
[0007] A base, which is a rectangular plate with legs installed at the bottom, a rack in the shape of inverted L is fixedly connected to the top of the rear wall of the base, an electric cylinder is fixedly connected to the bottom of the rack, the electric cylinder is located directly above the top of the base, an upper mold is fixedly connected to the bottom of the electric cylinder, and a motor is installed at the bottom of the base;
[0008] A plate unloading structure, which is arranged at the top of the base and used for unloading the formed aluminum alloy plate, comprises a rotating shaft, a rotating block, a base frame and a lower mold, the rotating shaft is rotatably connected to the top of the base, the rotating block is fixedly connected to the top of the rotating shaft, the base frame is fixedly connected to the wall surface of the rotating block, and the lower mold is movably connected to the wall surface of the base frame and located directly below the upper mold.
[0009] As a preferred embodiment of the utility model, the rotating shaft is in the shape of a cylinder, the bottom of the rotating shaft can be driven by the motor at the bottom of the base, the rotating block is in the shape of a half capsule, the base frame is in the shape of a Chinese character frame, the base frame is located at the rear wall of the rotating block, and the lower mold is in the shape of a rectangular block with a size matching that of the upper mold and located in the cavity of the base frame.
[0010] As a preferred embodiment of the utility model, the plate unloading structure further comprises a base shaft, a rotating drum, a connecting rod and a handle, the base shaft is fixedly connected to the opening of the rear wall of the base frame, the rotating drum is rotatably connected to the wall surface of the base shaft, the lower mold is fixedly connected to the front wall of the rotating drum, the connecting rod is fixedly connected to the front wall of the lower mold in a symmetrical manner, and the handle is fixedly connected to the top of the connecting rod on one side.
[0011] As a preferred embodiment of the utility model, the base shaft is cylindrical, the rotating drum is composed of a cylinder and a rectangular plate, the length of the rectangular plate of the rotating drum is consistent with the length of the cylinder of the rotating drum, the cylinder of the rotating drum is sleeved with the base shaft, the connecting rod is a rectangular rod, and the handle is an inverted L-shaped rod.
[0012] As a preferred embodiment of the utility model, the top of the base is further provided with an alignment structure, the alignment structure comprises a limiting block, a support and a limiting plate, the limiting block is fixedly connected to the top of the base, the limiting block is located at the side wall surface of the rotating block, the side wall surface of the limiting block can be attached to the side wall surface of the rotating block, the support is fixedly connected to the top of the limiting block, the support is an inverted L-shaped plate, the limiting plate is fixedly connected to one side of the upper die, and the limiting plate and the limiting block are opposite in position.
[0013] As a preferred embodiment of the utility model, the alignment structure further comprises a screw rod, a pressing plate and a magnetic strip, the screw rod is threadedly connected to the top of the support, the screw rod is located directly above the rotating block, the pressing plate is rotatably connected to the bottom of the screw rod, and the magnetic strip is fixedly connected to the bottom of the pressing plate.
[0014] As a preferred embodiment of the utility model, the pressing plate is a rectangular plate, and multiple magnetic strips are uniformly arranged at the bottom of the pressing plate.
[0015] Compared with the prior art, the utility model has the following beneficial effects:
[0016] 1. The dismounting structure can realize non-contact demolding of the formed aluminum alloy part plate, the dismounting structure can realize rapid non-contact demolding of the aluminum alloy plate by cooperation of the rotatable base frame and the overturnable lower die, and compared with the conventional demolding mode, the scheme can improve the working efficiency of the device by rapid demolding.
[0017] 2. The alignment structure can automatically align the positions of the upper die and the base frame, thereby improving the forming rate of the device, and the pressing plate and the magnetic strip can prevent the aluminum alloy plate from being displaced during forming to cause size deviation.
[0018] The specific embodiments of the utility model will be described in further detail below with reference to the drawings. DRAWINGS
[0019] In the drawings:
[0020] Figure 1 It is a perspective view of the utility model;
[0021] Figure 2 It is a lower die and upper die position schematic view of the utility model;
[0022] Figure 3 It is a base frame wall surface exploded view of the utility model;
[0023] Figure 4 The limit block and the rotating block are shown in the contrastive drawing of the utility model;
[0024] Figure 5 The bracket wall surface is shown in the exploded view of the utility model.
[0025] In the drawing: 20, base; 21, frame; 22, electric cylinder; 23, upper mold; 30, rotating shaft; 31, rotating block; 32, base frame; 33, base shaft; 34, rotating drum; 35, lower mold; 37, connecting rod; 38, handle; 40, limit block; 41, bracket; 42, limit plate; 43, screw rod; 44, pressing plate; 45, magnetic stripe. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and the following embodiments are used to illustrate the utility model.
[0027] As shown in Figure 1 and Figure 2 , a hyperbolic skin part forming tool, comprising: a base 20, the base 20 is a rectangular plate with legs installed at the bottom, the rear wall surface of the base 20 is fixedly connected with a reverse L-shaped frame 21 at the top, the bottom of the frame 21 is fixedly connected with an electric cylinder 22, the electric cylinder 22 is located directly above the top of the base 20, the bottom of the electric cylinder 22 is fixedly connected with an upper mold 23, the bottom of the base 20 is installed with a motor, the power supply of the motor is electrically connected, which is the existing technology, so it is not described here.
[0028] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the unloading structure is arranged on the top of the base 20 for unloading the formed aluminum alloy plate, the unloading structure comprises: a rotating shaft 30, a rotating block 31, a base frame 32 and a lower mold 35, the rotating shaft 30 is rotatably connected to the top of the base 20, the rotating block 31 is fixedly connected to the top of the rotating shaft 30, the base frame 32 is fixedly connected to the wall surface of the rotating block 31, and the lower mold 35 is movably connected to the wall surface of the base frame 32, and the lower mold 35 is located directly below the upper mold 23.
[0029] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the rotating shaft 30 is cylindrical, the bottom of the rotating shaft 30 can be driven by the motor at the bottom of the base 20, the rotating block 31 is a half capsule shape, the base frame 32 is a H-shaped frame, the base frame 32 is located at the rear wall of the rotating block 31, the lower mold 35 is a rectangular block with a top opening that matches the size of the upper mold 23, the lower mold 35 is located in the cavity of the base frame 32, the unloading structure also includes a base shaft 33, a rotating cylinder 34, a connecting rod 37 and a handle 38, the base shaft 33 is fixedly connected to the opening at the rear wall of the base frame 32, the rotating cylinder 34 is rotatably connected to the wall surface of the base shaft 33, the lower mold 35 is fixedly connected to the front wall of the rotating cylinder 34, the connecting rod 37 is symmetrically fixedly connected to the front wall of the lower mold 35, and the handle 38 is fixedly connected to the top of the connecting rod 37 on one side, the base shaft 33 is cylindrical, the rotating cylinder 34 is composed of a cylinder and a rectangular plate, the length of the rectangular plate of the rotating cylinder 34 is consistent with the length of the cylinder of the rotating cylinder 34, the cylinder of the rotating cylinder 34 is sleeved with the base shaft 33, the connecting rod 37 is a rectangular rod, and the handle 38 is an inverted L-shaped rod;
[0030] In specific use, the aluminum alloy plate to be formed is placed on the top of the base frame 32, then the base frame 32 and the bottom of the upper mold 23 are aligned, then the power of the electric cylinder 22 is started, the electric cylinder 22 extends downward, the electric cylinder 22 drives the top of the upper mold 23 and the lower mold 35 to coincide, at this time the aluminum alloy plate on the top of the base frame 32 is subjected to coining and drawing by the coincidence and drawing of the upper mold 23 and the lower mold 35, the upper mold 23 heats the aluminum alloy plate during drawing, then after the drawing of the aluminum alloy plate is completed, the electric cylinder 22 retracts to drive the upper mold 23 to retract, at this time the formed aluminum alloy plate is in contact with the lower mold 35, then the motor at the bottom of the base 20 is started, the motor drives the rotating shaft 30 to rotate, and the rotating shaft 30 drives the rotating block 31 to rotate synchronously when rotating, the rotating block 31 drives the base frame 32 to rotate, the base frame 32 drives the lower mold 35 and the aluminum alloy plate on the top of the base frame 32 to rotate synchronously by ninety degrees, at this time the position of the lower mold 35 is misaligned with the upper mold 23, then the handle 38 is lifted upward, the handle 38 drives the lower mold 35 to flip synchronously through the connecting rod 37, the rotating cylinder 34 rotates along the wall surface of the base shaft 33 due to the flipping of the lower mold 35, at this time the aluminum alloy plate on the wall surface of the lower mold 35 is demolded due to the flipping of the lower mold 35, then the lower mold 35 is pulled back into the cavity of the base frame 32 through the handle 38, and then the position of the base frame 32 is restored to below the upper mold 23 through motor control;
[0031] In summary, the unloading structure can demold the formed aluminum alloy part plate without contact, the unloading structure can realize the rapid and non-contact demolding of the aluminum alloy plate through the cooperation of the rotatable base frame 32 and the flipable lower mold 35, compared with the conventional demolding method, the present scheme can improve the working efficiency of the device through rapid demolding.
[0032] As Figure 4 and Figure 5As shown, the top of the base 20 is also provided with an alignment structure, which includes a limiting block 40, a support 41 and a limiting plate 42, the limiting block 40 is fixedly connected to the top of the base 20, the limiting block 40 is located at the side wall surface of the rotating block 31, the side wall surface of the limiting block 40 can be attached to the side wall surface of the rotating block 31, the support 41 is fixedly connected to the top of the limiting block 40, the support 41 is an inverted L-shaped plate, the limiting plate 42 is fixedly connected to one side of the upper mold 23, the limiting plate 42 is opposite to the limiting block 40, the alignment structure further includes a screw rod 43, a pressing plate 44 and a magnetic strip 45, the screw rod 43 is threadedly connected to the top of the support 41, the screw rod 43 is located directly above the rotating block 31, the pressing plate 44 is rotatably connected to the bottom of the screw rod 43, the magnetic strip 45 is fixedly connected to the bottom of the pressing plate 44, the pressing plate 44 is a rectangular plate, and the magnetic strip 45 is uniformly provided on the bottom of the pressing plate 44;
[0033] In specific use, when the upper mold 23 moves downward, the limiting plate 42 has an inclined surface at the bottom of the side wall surface in the direction of the base frame 32, if there is a deviation between the position of the base frame 32 and the upper mold 23 at this time, the upper mold 23 will automatically align with the position of the upper mold 23 along the inclined surface of the limiting plate 42, the side wall surface of the rotating block 31 will be attached to the limiting block 40 when the upper mold 23 and the base frame 32 are aligned, after the aluminum alloy plate is placed on the top of the base frame 32, the screw rod 43 is rotated, the screw rod 43 can drive the pressing plate 44 and the magnetic strip 45 to move downward, the aluminum alloy plate will be attracted when the magnetic strip 45 is attached to the aluminum alloy plate, and the pressing plate 44 will be misaligned with the aluminum alloy plate during the rotation of the base frame 32;
[0034] In summary, by setting the alignment structure, the position of the upper mold 23 and the base frame 32 can be automatically aligned to improve the forming rate of the device, and by the pressing plate 44 and the magnetic strip 45, the displacement of the aluminum alloy plate during forming can be prevented to cause the deviation of the size.
[0035] Working principle: the required aluminum alloy plate is placed on the top of the base frame 32, and then the base frame 32 and the bottom of the upper die 23 are aligned, and then the power of the electric cylinder 22 is started, the electric cylinder 22 extends downward, the electric cylinder 22 drives the upper die 23 and the top of the lower die 35 to coincide, at this time the aluminum alloy plate on the top of the base frame 32 will be drawn due to the coincidence of the upper die 23 and the lower die 35 and the drawing, the upper die 23 will heat the aluminum alloy plate during drawing, then the electric cylinder 22 will retract after the aluminum alloy plate drawing is completed to drive the upper die 23 to retract, at this time the aluminum alloy plate formed will be attached to the lower die 35, then the motor at the bottom of the base is started, the motor drives the shaft 30 to rotate, and the shaft 30 rotates to drive the rotating block 31 to rotate synchronously, the rotating block 31 can drive the base frame 32 to rotate, the base frame 32 drives the lower die 35 and the aluminum alloy plate on the top of the base frame 32 to rotate synchronously by 90 degrees, at this time the position of the lower die 35 will be staggered with the upper die 23, then the handle 38 is lifted upwards, the handle 38 can drive the lower die 35 to flip synchronously through the connecting rod 37, the rotating drum 34 can rotate along the wall surface of the base shaft 33 due to the flipping of the lower die 35, at this time the aluminum alloy plate on the wall surface of the lower die 35 can be demolded due to the flipping of the lower die 35.
[0036] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.
Claims
1. A hyperbolic skin part forming tooling characterized by, The utility model relates to a kind of aluminum alloy plate forming machine, including: Base (20), base (20) is rectangular plate with leg mounted at bottom, the top of rear wall surface of base (20) is fixedly connected with inverted L-shaped rack (21), the bottom of rack (21) is fixedly connected with electric cylinder (22), electric cylinder (22) is located at the top of base (20) directly above, the bottom of electric cylinder (22) is fixedly connected with upper die (23), the bottom of base (20) is mounted with motor; Unloading structure, unloading structure is set at the top of base (20) for the aluminum alloy plate after forming is unloaded, and unloading structure includes: pivot (30), rotating block (31), base frame (32) and lower die (35), pivot (30) is rotatably connected at the top of base (20), rotating block (31) is fixedly connected at the top of pivot (30), base frame (32) is fixedly connected on the wall surface of rotating block (31), lower die (35) is movably connected on the wall surface of base frame (32), and lower die (35) is located directly below upper die (23).
2. A double-cambered skin part forming tool according to claim 1, wherein The utility model relates to a kind of aluminum alloy plate forming machine, including:
3. A double-cambered skin part forming tool according to claim 1, wherein The bottom of pivot (30) can be driven by motor of base (20) bottom, rotating block (31) is half capsule shape, base frame (32) is shaped as a Chinese character, base frame (32) is located at the rear wall surface of rotating block (31), and lower die (35) is rectangular block with the size of upper die (23) being opened at the top, and lower die (35) is located in the cavity of base frame (32).
4. A double-cambered skin part forming tool according to claim 3, wherein The utility model relates to a kind of aluminum alloy plate forming machine, including:
5. A double-cambered skin part forming tool as set forth in claim 1, characterized in that, The utility model relates to a kind of aluminum alloy plate forming machine, including: The bottom of pivot (30) can be driven by motor of base (20) bottom, rotating block (31) is half capsule shape, base frame (32) is shaped as a Chinese character, base frame (32) is located at the rear wall surface of rotating block (31), and lower die (35) is rectangular block with the size of upper die (23) being opened at the top, and lower die (35) is located in the cavity of base frame (32). The utility model relates to a kind of aluminum alloy plate forming machine, including: The top of base (20) is also provided with alignment structure, alignment structure includes limit block (40), support (41) and limit plate (42), limit block (40) is fixedly connected at the top of base (20), limit block (40) is located at the side wall surface of rotating block (31), the side wall surface of limit block (40) can and the side wall surface of rotating block (31) are fitted, support (41) is fixedly connected at the top of limit block (40), support (41) is inverted L-shaped plate, limit plate (42) is fixedly connected on one side of upper die (23), and limit plate (42) and limit block (40) position is opposite.
6. A double-cambered skin part forming tool according to claim 5, wherein The alignment structure further comprises a screw rod (43), a pressing plate (44) and a magnetic strip (45), the screw rod (43) is threadedly connected at the top of the support (41), the screw rod (43) is located directly above the rotating block (31), the pressing plate (44) is rotationally connected at the bottom of the screw rod (43), and the magnetic strip (45) is fixedly connected at the bottom of the pressing plate (44).
7. A double-cambered skin part forming tool according to claim 6, wherein The pressing plate (44) is in the shape of a rectangular plate, and the magnetic strip (45) is uniformly provided with a plurality of magnetic strips at the bottom of the pressing plate (44).