Wheelchair side frame metal profile bending device

Abstract

The utility model discloses a wheelchair side frame metal profile bending device which comprises a base, a lower die is fixedly installed in the center of the top face of the base, a supporting plate is fixedly installed on the top face of the base, and a top plate is fixedly installed on the top of the supporting plate. The two sides of the lower die are fixedly provided with moving mechanisms capable of rapidly taking down the bent wheelchair side frame metal profiles. The utility model belongs to the technical field of metal section bar bending devices, and aims to solve the problems that in the prior art, the shape of a bent frame assembly is consistent with that of a lower die, when the frame assembly is long or the bending angle is large, the frame assembly is difficult to take down from the lower die, and the manual operation efficiency is low. The technical effects are achieved as follows: after bending, a worker starts the motor and presses one end of the cross rod through the grip, so that the roller at the other end of the cross rod tilts to be in contact with a bent profile, and the roller rotates under the action of the motor, so that the profile slides out in the direction perpendicular to one side of the lower die, and the operation is simple and quick.

Description

Technical Field

[0001] The utility model relates to the technical field of metal profile bending devices, in particular to a metal profile bending device for a side frame of a wheelchair. Background Art

[0002] The profile bending device is a device used to bend profiles, and is commonly used in industrial production and processing. The device is generally composed of multiple components, including a fixed part and a movable part. Through a precise positioning and clamping system, the profile can be bent efficiently and accurately. Specifically, the working principle of the profile bending device is: by placing the profile between the fixed fixture and the movable fixture, the movable fixture is driven by a power source such as hydraulic, pneumatic or electric to perform the bending action, and the bending angle and position accuracy are ensured by a precise positioning system. The profile bending device has a wide range of applications and can be used for bending profiles of various materials and specifications, such as aluminum alloy, steel, stainless steel, etc. At the same time, the device can also be customized according to different needs. For example, the bending angle, bending speed, bending amplitude, etc. can be adjusted according to actual needs.

[0003] In the prior art, when bending the metal profile of the wheelchair side frame, a movable upper mold and a fixed lower mold are used for bending. The shape of the frame assembly after bending is consistent with the lower mold. When the frame assembly is long or the bending angle is large, it is difficult to remove the frame assembly from the lower mold. The removal is mostly done manually by workers, which is inefficient.

[0004] Therefore, it is necessary to invent a wheelchair side frame metal profile bending device. Utility Model Content

[0005] To this end, the utility model provides a wheelchair side frame metal profile bending device to solve the above-mentioned problems in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] According to the first aspect of the utility model, a wheelchair side frame metal profile bending device comprises a base, a lower mold is fixedly installed at the center of the top surface of the base, a support plate is fixedly installed on one side of the top surface of the base, a top plate is fixedly installed on the top of the support plate, a plurality of hydraulic rods are fixedly installed around the bottom surface of the top plate, an upper mold is fixedly installed at the end of the hydraulic rod, and moving mechanisms that can quickly remove the bent wheelchair side frame metal profile are fixedly installed on both sides of the lower mold.

[0008] Furthermore, the moving mechanism comprises a vertical rod, the vertical rods are fixedly installed on both sides of the lower mold, the top of the vertical rod is rotatably connected to the cross rod, and the center of the cross rod is rotatably connected to the top of the vertical rod.

[0009] Furthermore, one end of the cross bar is rotatably connected to a rotating shaft, and the outer surface of the rotating shaft is fixedly connected to roller 1 and the roller in sequence in a direction facing the lower mold.

[0010] Furthermore, a motor is fixedly mounted on one side of one end of the cross bar away from the rotating shaft, and an output end of the motor passes through the cross bar and extends to the other side of the cross bar, and is fixedly connected to the second roller.

[0011] Furthermore, the output end of the motor is rotatably connected to the cross bar, and the second roller is also rotatably connected to the cross bar.

[0012] Furthermore, the outer surfaces of the roller 2 and the roller 1 are connected in transmission via a transmission belt, and the roller 2 and the roller 1 have the same size and specifications.

[0013] Furthermore, there are two cross bars, and the ends of the two cross bars away from the rotating shaft are fixedly connected by a handle.

[0014] Furthermore, the bottom of one end of the cross bar away from the rotating shaft is fixedly connected to the base via a spring, and generally the spring can keep the cross bar horizontal.

[0015] The utility model has the following advantages: after bending, the staff starts the motor and presses down one end of the cross bar through the handle, so that the roller at the other end is tilted and contacts the bent profile, and the roller rotates under the action of the motor, so that the profile slides out in a direction perpendicular to one side of the lower die, and the operation is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional diagram of a wheelchair side frame metal profile bending device provided by the utility model.

[0017] Figure 2 A three-dimensional diagram of a moving mechanism of a wheelchair side frame metal profile bending device provided by the utility model.

[0018] Figure 3 The utility model provides a schematic diagram of the roller structure of a wheelchair side frame metal profile bending device.

[0019] Figure 4 The utility model provides a schematic diagram of the motor structure of a wheelchair side frame metal profile bending device.

[0020] In the figure: 11, base, 12, lower mold, 13, support plate, 14, top plate, 15, hydraulic rod, 16, upper mold, 21, vertical rod, 22, horizontal rod, 23, handle, 24, spring, 31, rotating shaft, 32, roller one, 33, roller, 41, motor, 42, roller two, 43, transmission belt. DETAILED DESCRIPTION

[0021] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example 1

[0022] like Figures 1 to 4 As shown, a wheelchair side frame metal profile bending device in the embodiment of the first aspect of the utility model comprises a base 11, a lower die 12 is fixedly installed at the center of the top surface of the base 11, a support plate 13 is fixedly installed on one side of the top surface of the base 11, a top plate 14 is fixedly installed on the top of the support plate 13, a plurality of hydraulic rods 15 are fixedly installed around the bottom surface of the top plate 14, an upper die 16 is fixedly installed at the end of the hydraulic rod 15, and moving mechanisms that can quickly remove the bent wheelchair side frame metal profile are fixedly installed on both sides of the lower die 12.

[0023] In the above embodiment, it should be noted that the profile bending device places the profile between the lower die 12 and the upper die 16, and uses the hydraulic rod 15 to drive the upper die 16 to move downward to bend the profile, which is a common technology in existing profile bending devices. Example 2

[0024] like Figures 1 to 4 As shown, a wheelchair side frame metal profile bending device includes all the contents of Example 1. In addition, the moving mechanism includes a vertical rod 21, and the vertical rods 21 are fixedly installed on both sides of the lower mold 12. The top of the vertical rod 21 is rotatably connected to the cross rod 22, and the center of the cross rod 22 is rotatably connected to the top of the vertical rod 21.

[0025] In the above embodiment, it should be noted that the center of the cross bar 22 is rotatably connected to the top of the vertical bar 21 , and both ends of the cross bar 22 can move up and down through the vertical bar 21 . Example 3

[0026] like Figures 1 to 4 As shown, a wheelchair side frame metal profile bending device includes all the contents of Example 2. In addition, one end of the cross bar 22 is rotatably connected to the rotating shaft 31, and the outer surface of the rotating shaft 31 is fixedly connected to the roller 1 32 and the roller 33 in sequence in the direction facing the lower mold 12.

[0027] In the above embodiment, it should be noted that the rotating shaft 31 is fixedly connected to the roller 1 32 and the roller 33 , and the rotating shaft 31 is rotationally connected to the cross bar 22 , and the roller 1 32 and the roller 33 can rotate synchronously. Example 4

[0028] like Figures 1 to 4 As shown, a wheelchair side frame metal profile bending device includes all the contents of Example 3. In addition, a motor 41 is fixedly installed on one side of the cross bar 22 away from the rotating shaft 31, and the output end of the motor 41 passes through the cross bar 22 and extends to the other side of the cross bar 22, and is fixedly connected to the second roller 42. The output end of the motor 41 is rotatably connected to the cross bar 22, and the second roller 42 is also rotatably connected to the cross bar 22.

[0029] In the above embodiment, it should be noted that when the motor 41 is started, since the output end of the motor 41 is rotatably connected to the cross bar 22 and the second roller 42 is also rotatably connected to the cross bar 22 , the motor 41 can rotate the second roller 42 . Example 5

[0030] like Figures 1 to 4 As shown, a wheelchair side frame metal profile bending device includes all the contents of Example 4. In addition, the outer surface of the roller 2 42 and the roller 1 32 are connected by a transmission belt 43, and the roller 2 42 and the roller 1 32 are of the same size.

[0031] In the above embodiment, it should be noted that the motor 41 can rotate the roller 2 42 , and through the transmission connection between the roller 2 42 and the roller 1 32 , the roller 1 32 can be rotated, thereby rotating the roller 33 . Example 6

[0032] like Figures 1 to 4 As shown, a wheelchair side frame metal profile bending device includes all the contents of Example 5. In addition, there are two cross bars 22, and the ends of the two cross bars 22 away from the rotating shaft 31 are fixedly connected by a handle 23.

[0033] In the above embodiment, it should be noted that the staff can synchronously control the rotation of the horizontal bars 22 on both sides relative to the vertical bars 21 by holding the handles 23 . Example 7

[0034] like Figures 1 to 4 As shown, a wheelchair side frame metal profile bending device includes all the contents of Example 7. In addition, the bottom of the end of the cross bar 22 away from the rotating shaft 31 is fixedly connected to the base 11 through a spring 24. Under normal circumstances, the spring 24 can keep the cross bar 22 horizontal.

[0035] In the above embodiment, it should be noted that, under normal circumstances, the spring 24 can keep the cross bar 22 horizontal, so that the roller 33 will not be lifted due to the rotation of the cross bar 22, thereby not affecting the normal processing of the metal profile. After the profile is bent, the staff presses down the cross bar 22 through the handle 23 to connect one end of the spring 24, so that the roller 33 at the other end is tilted and contacts the bent profile, and then starts the motor 41 to rotate the roller 33 through transmission. The outer surface of the roller 33 is provided with a rubber layer, which has a large friction force and can slide the bent profile out in a direction perpendicular to one side of the lower mold.

[0036] Working principle: The staff can synchronously control the rotation of the horizontal bars 22 on both sides relative to the vertical bars 21 by holding the handle 23. Start the motor 41, because the output end of the motor 41 is rotatably connected to the horizontal bar 22, and the roller 2 42 is also rotatably connected to the horizontal bar 22, the rotating shaft 31 is fixedly connected to the roller 1 32 and the roller 33, and the rotating shaft 31 is rotatably connected to the horizontal bar 22, and the roller 1 32 and the roller 33 can rotate synchronously, so that the motor 41 can rotate the roller 2 42. After bending, under normal circumstances, the spring 24 can keep the cross bar 22 horizontal, so that the roller 33 will not be lifted due to the rotation of the cross bar 22, thereby not affecting the normal processing of the metal profile. After the profile is bent, the staff presses down the cross bar 22 through the handle 23 to connect one end of the spring 24, so that the roller 33 at the other end is tilted and contacts the bent profile, and then starts the motor 41 to rotate the roller 33 through transmission. The outer surface of the roller 33 is provided with a rubber layer, which has a large friction force and can slide the bent profile out in a direction perpendicular to one side of the lower mold. The operation is simple and quick.

Claims

1. A wheelchair side frame metal profile bending device, comprising a base (11), a lower die (12) fixedly mounted at the center of the top surface of the base (11), a support plate (13) fixedly mounted on one side of the top surface of the base (11), a top plate (14) fixedly mounted on the top of the support plate (13), a plurality of hydraulic rods (15) fixedly mounted around the bottom surface of the top plate (14), and an upper die (16) fixedly mounted at the end of the hydraulic rod (15), characterized in that: The two sides of the lower die (12) are fixedly mounted with movable mechanisms capable of quickly removing the bent wheelchair side frame metal profiles.

2. A wheelchair side frame metal profile bending device according to claim 1, characterized in that: The moving mechanism comprises a vertical rod (21), the vertical rods (21) are fixedly mounted on both sides of the lower mold (12), the top of the vertical rod (21) is rotatably connected to the cross rod (22), and the center of the cross rod (22) is rotatably connected to the top of the vertical rod (21).

3. A wheelchair side frame metal profile bending device according to claim 2, characterized in that: One end of the crossbar (22) is rotatably connected to a rotating shaft (31), and the outer surface of the rotating shaft (31) is fixedly connected to a roller wheel (32) and a roller (33) in sequence in a direction facing the lower mold (12).

4. A wheelchair side frame metal profile bending device according to claim 3, characterized in that: A motor (41) is fixedly mounted on one side of one end of the cross bar (22) away from the rotating shaft (31); an output end of the motor (41) passes through the cross bar (22) and extends to the other side of the cross bar (22) and is fixedly connected to the second roller (42).

5. A wheelchair side frame metal profile bending device according to claim 4, characterized in that: The output end of the motor (41) is rotatably connected to the crossbar (22), and the second roller (42) is also rotatably connected to the crossbar (22).

6. A wheelchair side frame metal profile bending device according to claim 5, characterized in that: The outer surface of the roller 2 (42) is connected to the outer surface of the roller 1 (32) via a transmission belt (43); the roller 2 (42) and the roller 1 (32) are of the same size and specification.

7. A wheelchair side frame metal profile bending device according to claim 6, characterized in that: There are two cross bars (22) in total, and the ends of the two cross bars (22) away from the rotating shaft (31) are fixedly connected via a handle (23).

8. The wheelchair side frame metal profile bending device according to claim 7, characterized in that: The bottom of one end of the cross bar (22) away from the rotating shaft (31) is fixedly connected to the base (11) via a spring (24). Generally, the spring (24) can keep the cross bar (22) horizontal.

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