Section bar roll bending mechanism

Abstract

The utility model provides a profile roll bending mechanism which is in butt joint with an external profile feeding device. Comprising a base, a first bending wheel assembly, a second bending wheel assembly, a rotating device and a bending wheel distance adjusting device. The rotating device is arranged on the base; the first bending wheel assembly is provided with a first bending wheel, and the second bending wheel assembly is provided with a second bending wheel. The first bending wheel assembly and the second bending wheel assembly are both connected with the bending wheel distance adjusting device, and the distance between the first bending wheel assembly and the second bending wheel assembly is adjusted through the bending wheel distance adjusting device. The bending wheel distance adjusting device is arranged on the rotating device, and the rotating device drives the bending wheel distance adjusting device, the first bending wheel assembly and the second bending wheel assembly to rotate. The position between the first bending wheel and the second bending wheel serves as a profile bending station. According to the variable-curvature bending machine, variable-curvature forward bending and / or reverse bending of the sectional material can be achieved, automatic bending machining of the sectional material is achieved through one-time feeding, and therefore the bending quality and precision of the sectional material are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of bending, and more specifically, to a profile rolling and bending mechanism. Background Art

[0002] In the process of profile processing, a rolling and bending machine is a commonly used machine for continuously rolling and bending a profile into a forward arc and a reverse arc. Among them, the rolling and bending mechanism of the rolling and bending machine is an important mechanism for profile forming.

[0003] In the prior art, a three-roll symmetric rolling and bending machine is a commonly used rolling and bending machine for profiles. The three-roll symmetric rolling and bending machine is based on the principle of three points forming a circle, and uses the relative position change and rotational movement of the working rolls to cause continuous plastic deformation of the sheet to obtain a profile workpiece with a predetermined shape. However, when it is necessary to bend the profile in two opposite directions, two feeding processes are required. First, the forward arc is bent and processed on the profile workpiece, and then the profile workpiece is taken out and bent and processed in the reverse arc after changing the direction and position. This operation method requires multiple repeated adjustments of the placement angle of the profile to make the bent profile meet the design requirements, and it is impossible to ensure the accuracy of the transition position between the forward and reverse arcs, thus affecting the processing quality and accuracy of the profile. Summary of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art, and provide a profile rolling and bending mechanism, which can realize the forward bending and / or reverse bending of variable curvature of the profile, and realize the automatic bending processing of the profile by one-time feeding, so as to ensure the processing quality and accuracy of profile bending.

[0005] To achieve the above purpose, the utility model is realized through the following technical solutions: a profile rolling and bending mechanism, characterized in that: it is docked with an external profile feeding device; the profile rolling and bending mechanism includes a base, a first bending wheel assembly, a second bending wheel assembly, a rotating device and a bending wheel distance adjusting device; the rotating device is arranged on the base; the first bending wheel assembly is provided with a first bending wheel, and the second bending wheel assembly is provided with a second bending wheel; both the first bending wheel assembly and the second bending wheel assembly are connected to the bending wheel distance adjusting device, and the distance between the two is adjusted by the bending wheel distance adjusting device; the bending wheel distance adjusting device is arranged on the rotating device, and the rotating device drives the bending wheel distance adjusting device, the first bending wheel assembly and the second bending wheel assembly to rotate; the position between the first bending wheel and the second bending wheel is used as the profile bending station, and the profile bending station is docked with an external profile feeding device.

[0006] In the above solution, the rotation device of the present utility model drives the first bending wheel assembly and the second bending wheel assembly to rotate, so that the first bending wheel and the second bending wheel perform forward bending and / or reverse bending on the profile located at the profile bending station, and automatic bending processing of the profile is realized by one-time feeding, thereby ensuring the processing quality and accuracy of profile bending. In addition, the present utility model can adjust the distance between the first bending wheel and the second bending wheel through the bending wheel distance adjusting device, so as to change the bending processing curvature according to the bending requirement. The profile roll bending mechanism of the present utility model can realize forward and reverse rotation bending, and realize variable curvature bending forming of the profile by adjusting the distance and rotation angle of the first bending wheel and the second bending wheel, and can bend and process a curve with different radii, such as continuous petal shapes, etc.

[0007] The rotation device includes a base and a rotation driving assembly; the base is installed on the base, and the rotation driving assembly is connected to the base to drive the base to rotate; the first bending wheel assembly, the second bending wheel assembly and the bending wheel distance adjusting device are respectively arranged on the base.

[0008] The driving end of the rotation driving assembly is connected to the base; or the rotation driving assembly includes a rotation driving component and a gear transmission component, and the rotation driving component is connected to the base through the gear transmission component.

[0009] The bending wheel distance adjusting device includes a first bending wheel adjusting component and a second bending wheel adjusting component; the first bending wheel assembly is connected to the first bending wheel adjusting component, and the first bending wheel adjusting component drives the first bending wheel assembly to move; the second bending wheel assembly is connected to the second bending wheel adjusting component, and the second bending wheel adjusting component drives the second bending wheel assembly to move relative to the first bending wheel assembly to adjust the distance between the first bending wheel and the second bending wheel.

[0010] The bending wheel distance adjusting device further includes a guiding and moving assembly; the guiding and moving assembly is a guiding plate and a guiding rail arranged inside the base; during operation, the first bending wheel adjusting component and the second bending wheel adjusting component move along the guiding rail through the guiding plate.

[0011] Both the first bending wheel adjusting component and the second bending wheel adjusting component are oil cylinders.

[0012] Both the first bending wheel adjusting component and the second bending wheel adjusting component include a screw rod transmission component and a driving motor. The driving motor of the first bending wheel adjusting component is connected to the first bending wheel assembly through the screw rod transmission component to drive the first bending wheel assembly to move; the driving motor of the second bending wheel adjusting component is connected to the second bending wheel assembly through the screw rod transmission component to drive the second bending wheel assembly to move relative to the first bending wheel assembly to adjust the distance between the first bending wheel and the second bending wheel.

[0013] The profile roll-bending mechanism further includes a material supporting device; the material supporting device is arranged on the rotating device in a liftable manner and is opposite to the profile bending station. The material supporting device can support the processed profile and adjust its height according to the height of profile processing.

[0014] The material supporting device includes a material supporting plate, a lifting linear guide pair, and a lifting driving component; the material supporting plate is connected to the lifting linear guide pair; the lifting driving component is arranged on the rotating device and connected to the material supporting plate to drive the material supporting plate to slide up and down through the lifting linear guide pair.

[0015] A butt joint part is arranged in the middle of the material supporting plate, and the butt joint part extends out of the material supporting plate and is butted with the profile bending station.

[0016] Compared with the prior art, the utility model has the following advantages and beneficial effects: the profile roll-bending mechanism of the utility model can realize the forward bending and / or reverse bending of the profile with variable curvature, and realize the automatic bending processing of the profile by one-time feeding, thereby ensuring the processing quality and accuracy of profile bending. Description of the Drawings

[0017] Figure 1 is a schematic diagram of the profile roll-bending mechanism of the utility model;

[0018] Figure 2 is a schematic diagram of the base in the profile roll-bending mechanism of the utility model;

[0019] Figure 3 is a schematic diagram of the material supporting device in the profile roll-bending mechanism of the utility model;

[0020] Wherein, 1 is the profile, 2 is the first bending wheel assembly, 2.1 is the first bending wheel, 3 is the second bending wheel assembly, 3.1 is the second bending wheel, 4 is the rotating device, 4.1 is the base, 5 is the base, 6 is the first oil cylinder, 6.1 is the driving rod, 7 is the second oil cylinder, 7.1 is the driving rod, 8 is the guide plate, 9 is the guide rail, 10 is the material supporting device, 10.1 is the material supporting plate, 10.1.1 is the butt joint part, 10.2 is the lifting linear guide pair, 10.3 is the lifting oil cylinder. Detailed Embodiments

[0021] The following further describes the utility model in detail with reference to the drawings and specific embodiments.

[0022] Embodiment 1

[0023] As Figures 1 to 3As shown in the figure, the profile rolling and bending mechanism of the present utility model is docked with an external profile feeding device. The profile rolling and bending mechanism includes a base 5, a first bending wheel assembly 2, a second bending wheel assembly 3, a rotating device 4, and a bending wheel distance adjusting device. Among them, the rotating device 4 is arranged on the base 5. The first bending wheel assembly 2 is provided with a first bending wheel 2.1, and the second bending wheel assembly 3 is provided with a second bending wheel 3.1. Both the first bending wheel assembly 2 and the second bending wheel assembly 3 are connected to the bending wheel distance adjusting device, and the distance between the two is adjusted through the bending wheel distance adjusting device. The bending wheel distance adjusting device of the present utility model is arranged on the rotating device 4. The rotating device 4 drives the bending wheel distance adjusting device, the first bending wheel assembly 2, and the second bending wheel assembly 3 to rotate. The position between the first bending wheel 2.1 and the second bending wheel 3.1 serves as the profile bending station, and the profile bending station is docked with the external profile feeding device.

[0024] The rotating device 4 of the present utility model includes a base 4.1 and a rotation driving assembly. The base 4.1 is installed on the base 5, and the rotation driving assembly is connected to the base 4.1 to drive the base 4.1 to rotate. The first bending wheel assembly 2, the second bending wheel assembly 3, and the bending wheel distance adjusting device are respectively arranged on the base 4.1. A connecting seat is arranged at the bottom of the base 4.1, and the connecting seat is connected to the fixed shaft of the base 5 through a bearing. The rotation driving assembly includes a rotation driving motor (not shown), a driving wheel (not shown), and a driven wheel (not shown). Among them, the driven wheel is connected to the connecting seat, the driving wheel is connected to the rotation driving motor and meshed with the driven wheel, and the rotation driving motor drives the base 4.1 to rotate through the driving wheel and the driven wheel. In this embodiment, a gear transmission component composed of a driving wheel and a driven wheel is adopted, and the rotation driving motor is connected to the base 4.1 through the gear transmission component and drives the base 4.1 to rotate.

[0025] The bending wheel distance adjusting device of the present utility model includes a first oil cylinder 6 and a second oil cylinder 7. The first bending wheel 2.1 is installed on a first shaft body through a bearing. The first bending wheel 2.1 is arranged on the first oil cylinder 6 through the first shaft body, and the first oil cylinder 6 drives the first bending wheel assembly 2 to move. The second bending wheel 3.1 is installed on a second shaft body through a bearing. The second bending wheel 3.1 is arranged on the second oil cylinder 7 through the second shaft body, and the second oil cylinder 7 drives the second bending wheel assembly 3 to move relative to the first bending wheel assembly 2 to adjust the distance between the first bending wheel 2.1 and the second bending wheel 3.1. Specifically, the driving rod 6.1 of the first oil cylinder 6 and the driving rod 7.1 of the second oil cylinder 7 are respectively connected to the base 4.1. The first bending wheel assembly 2 is arranged on the cylinder body 1 of the first oil cylinder 6, and the second bending wheel assembly 3 is arranged on the cylinder body 2 of the second oil cylinder 7.

[0026] The bending wheel distance adjustment device further includes a guiding and moving component, which is a guiding plate 8 and a guiding rail 9 arranged inside the base 4.1. Among them, the guiding plate 8 is arranged at the top and bottom of the cylinder body 1 of the first oil cylinder 6 and the cylinder body 2 of the second oil cylinder 7, and the guiding rail 9 is located on both sides of the cylinder body 1 of the first oil cylinder 6 and the cylinder body 2 of the second oil cylinder 7. During operation, the cylinder body 1 of the first oil cylinder 6 and the cylinder body 2 of the second oil cylinder 7 move along the guiding rail 9 through the guiding plate 8.

[0027] The profile rolling and bending mechanism of the present utility model further includes a material supporting device 10, which is arranged on the rotating device 4 in a liftable manner and is opposite to the profile bending station. The material supporting device 10 can support the processed profile 1 and perform lift adjustment according to the height of the profile 1 during processing. The material supporting device 10 includes a material supporting plate 10.1, a lifting linear guide pair 10.2, and a lifting oil cylinder 10.3. Among them, the material supporting plate 10.1 is connected to the sliding guide rail of the lifting linear guide pair 10.2, the slider of the lifting linear guide pair 10.2 is connected to the lifting oil cylinder 10.3, the material supporting plate 10.1 is slidably connected to the slider through the sliding guide rail, and the lifting oil cylinder 10.3 is arranged on the base 4.1 of the rotating device 4 and connected to the material supporting plate 10.1 to drive the material supporting plate 10.1 to slide up and down through the lifting linear guide pair 10.2. A docking portion 10.1.1 is arranged in the middle of the material supporting plate 10.1, and the docking portion 10.1.1 extends out of the material supporting plate 10.1 and docks with the profile bending station.

[0028] The profile rolling and bending mechanism of the present utility model is docked with an external profile feeding device. The rotating device of the present utility model drives the first bending wheel assembly 2 and the second bending wheel assembly 3 to rotate, so that the first bending wheel 2.1 and the second bending wheel 3.1 can perform forward bending and / or reverse bending on the profile 1 fed to the profile bending station, and automatic profile bending processing is realized by one-time feeding, thereby ensuring the processing quality and accuracy of profile bending. In addition, the distance between the first bending wheel 2.1 and the second bending wheel 3.1 can be adjusted by the bending wheel distance adjustment device of the present utility model, so as to change the bending processing curvature according to the bending requirement. The profile rolling and bending mechanism of the present utility model can realize forward and reverse rotational bending, and realize variable curvature bending forming of the profile 1 by adjusting the distance and rotation angle between the first bending wheel 2.1 and the second bending wheel 3.1, and can bend and process a curve with different radii, such as continuous petal and other shapes.

[0029] Embodiment 2

[0030] The difference between this embodiment and Embodiment 1 is only that: the rotation driving component in this embodiment is a rotation driving part, and the driving end of the rotation driving component is connected to the base to drive the base to rotate.

[0031] The other structures of this embodiment are the same as those of Embodiment 1.

[0032] Embodiment 3

[0033] The difference between this embodiment and the first embodiment is only that: the bending wheel distance adjusting device of this embodiment includes a first screw drive component, a first driving motor, a second screw drive component and a second driving motor. The first driving motor is connected to the first bending wheel assembly through the first screw drive component to drive the first bending wheel assembly to move. The second driving motor is connected to the second bending wheel assembly through the second screw drive component to drive the second bending wheel assembly to move relative to the first bending wheel assembly, so as to adjust the distance between the first bending wheel and the second bending wheel.

[0034] The other structures of this embodiment are the same as those of the first embodiment.

[0035] The above embodiments are the preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present invention shall be equivalent replacement methods and are all included in the protection scope of the present invention.

Claims

1. A profile roll bending mechanism, characterized in that: Dock with an external profile feeding device; the profile rolling and bending mechanism includes a base, a first bending wheel assembly, a second bending wheel assembly, a rotating device, and a bending wheel distance adjusting device; the rotating device is arranged on the base; the first bending wheel assembly is provided with a first bending wheel, and the second bending wheel assembly is provided with a second bending wheel; both the first bending wheel assembly and the second bending wheel assembly are connected to the bending wheel distance adjusting device, and the distance between the two is adjusted through the bending wheel distance adjusting device; the bending wheel distance adjusting device is arranged on the rotating device, and the rotating device drives the bending wheel distance adjusting device, the first bending wheel assembly, and the second bending wheel assembly to rotate; the position between the first bending wheel and the second bending wheel is used as the profile bending station, and the profile bending station is docked with the external profile feeding device.

2. The profile roll bending mechanism according to claim 1, characterized in that: The rotating device includes a base and a rotating drive assembly; the base is installed on the base, and the rotating drive assembly is connected to the base to drive the base to rotate; the first bending wheel assembly, the second bending wheel assembly, and the bending wheel distance adjusting device are respectively arranged on the base.

3. The profile roll bending mechanism according to claim 2, characterized in that: The driving end of the rotating drive assembly is connected to the base; or the rotating drive assembly includes a rotating drive component and a gear transmission component, and the rotating drive component is connected to the base through the gear transmission component.

4. The profile roll bending mechanism according to claim 2, characterized in that: The bending wheel distance adjusting device includes a first bending wheel adjusting component and a second bending wheel adjusting component; the first bending wheel assembly is connected to the first bending wheel adjusting component, and the first bending wheel adjusting component drives the first bending wheel assembly to move; the second bending wheel assembly is connected to the second bending wheel adjusting component, and the second bending wheel adjusting component drives the second bending wheel assembly to move relative to the first bending wheel assembly to adjust the distance between the first bending wheel and the second bending wheel.

5. The profile roll bending mechanism according to claim 4, characterized in that: The bending wheel distance adjusting device further includes a guiding and moving component; the guiding and moving component is a guiding plate and a guide rail arranged inside the base; during operation, the first bending wheel adjusting component and the second bending wheel adjusting component move along the guide rail through the guiding plate.

6. The profile roll bending mechanism according to claim 4, characterized in that: Both the first bending wheel adjusting component and the second bending wheel adjusting component are oil cylinders.

7. The profile roll bending mechanism according to claim 4, characterized in that: Both the first bending wheel adjusting component and the second bending wheel adjusting component include a screw rod transmission component and a driving motor. The driving motor of the first bending wheel adjusting component is connected to the first bending wheel assembly through the screw rod transmission component to drive the first bending wheel assembly to move; the driving motor of the second bending wheel adjusting component is connected to the second bending wheel assembly through the screw rod transmission component to drive the second bending wheel assembly to move relative to the first bending wheel assembly to adjust the distance between the first bending wheel and the second bending wheel.

8. The profile roll bending mechanism according to claim 1, characterized in that: The profile rolling and bending mechanism further includes a material supporting device; the material supporting device is arranged on the rotating device in a liftable manner and is opposite to the profile bending station.

9. The profile roll bending mechanism according to claim 8, characterized in that: The material supporting device includes a material supporting plate, a lifting linear guide pair, and a lifting driving component; the material supporting plate is connected to the lifting linear guide pair; the lifting driving component is arranged on the rotating device and is connected to the material supporting plate to drive the material supporting plate to slide up and down through the lifting linear guide pair.

10. The profile roll bending mechanism according to claim 9, characterized in that: A docking portion is arranged in the middle of the material supporting plate, and the docking portion extends out of the material supporting plate and is docked with the profile bending station.

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