Bending device for lower side door hinge

Abstract

The utility model provides a bending device for folding a lower side door, which relates to the technical field of bending devices and comprises a working plate, a movable plate is arranged at the top of the working plate, an embedding groove is formed in the top of the movable plate, a sliding groove is formed in the top of the working plate, a screw rod is arranged in the sliding groove, and a clamping groove is formed in the top of the sliding groove. And the surface of the screw rod is sleeved with and in threaded connection with a moving part, the top of the moving part is fixedly connected with the bottom of a moving plate, and the top of the working plate is fixedly connected with a base. According to the lower side door hinge bending device, a lower side door hinge is placed in the embedding groove, the first motor drives the screw rod to rotate so that the moving piece can move, the moving piece can drive the moving plate to move, the effect that the lower side door hinge can be automatically embedded into the lower portion of the extrusion plate can be achieved, and therefore the effect of improving the bending safety of the lower side door hinge can be achieved; when the screw rotates reversely, the bent lower side door hinge can be automatically separated from the bent position, and therefore the bending efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bending devices, in particular to a bending device for hinges of lower side doors. Background Art

[0002] Railway freight cars primarily transport cargo and are categorized by purpose into general-purpose and specialized freight cars. General-purpose freight cars are vehicles suitable for transporting a variety of cargoes, such as open wagons, covered wagons, and flatbeds. Special-purpose freight cars are vehicles designed to transport a specific type of cargo, such as coal wagons, container wagons, and bulk cement trucks.

[0003] The lower side door hinges of railway locomotive components need to be bent using a bending device during the production process. The existing lower side door hinge bending device usually requires manual insertion of the lower side door hinge components to be bent into the bending position for bending. Since there is a device for clamping and fixing the lower side door hinge at the bending position, it is relatively dangerous. At the same time, it also needs to be removed manually, which is relatively troublesome. Utility Model Content

[0004] The purpose of the utility model is to solve the problem in the prior art that the lower side door hinge bending device usually needs to manually embed the lower side door hinge components to be bent into the bending position for bending during the bending process, which is relatively dangerous, and to propose a bending device for the lower side door hinge.

[0005] The top of the working plate is fixed with a movable frame, and the top of the L-shaped plate is fixedly connected to the bottom of the L-shaped plate.

[0006] Preferably, the bottom of the working plate and near the four corners are fixedly connected with support legs, and the bottoms of the support legs are fixedly connected with trapezoidal blocks.

[0007] Preferably, a blocking bar is fixedly connected inside the embedding groove and close to the edge, and a groove is formed on one side wall of the movable plate, and the groove is communicated with the embedding groove.

[0008] Preferably, a limiting groove is provided at the top of the working plate near one end, a slider is embedded in the limiting groove and slidably connected thereto, and the top of the slider is fixedly connected to the bottom of the movable plate.

[0009] Preferably, one end of the screw is rotatably connected to the bearing on the inner wall of one end of the groove, and the other end of the screw passes through the inner wall of the other end of the groove and is rotatably connected to its bearing. A second motor is embedded in and fixedly connected to the front of the working plate, and the output end of the second motor is fixedly connected to one end of the screw.

[0010] Preferably, a control panel is fixedly connected to the front side of the working plate near one end, and the control panel is electrically connected to the first motor, the second motor and the hydraulic cylinder.

[0011] Compared with the prior art, the advantages and positive effects of the present invention are:

[0012] In the utility model, the lower side door hinge is placed inside the embedding groove. At this time, the first motor drives the screw to rotate to move the movable part, and the movement of the movable part drives the movable plate to move, which can automatically embed the lower side door hinge under the extrusion plate, thereby improving the bending safety of the lower side door hinge. When the screw rotates in the opposite direction, the bent lower side door hinge can automatically detach from the bending position, thereby improving the bending efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of the overall structure of a bending device for the lower side door hinge proposed by the utility model;

[0014] Figure 2 The utility model proposes a bending device for the lower side door hinge Figure 1 A magnified view of the structure of the middle A area;

[0015] Figure 3 This is a partial structural perspective diagram of a bending device for the lower side door hinge proposed by the utility model;

[0016] Figure 4 The utility model provides a three-dimensional diagram of the turntable structure of a bending device for folding the lower side door.

[0017] Legend: 1. Working plate; 2. Support leg; 3. Trapezoidal block; 4. Moving plate; 5. Embossed groove; 6. Stop bar; 7. Groove; 8. Slide; 9. Moving part; 10. Screw; 11. First motor; 12. Limiting groove; 13. Slider; 14. Base; 15. Second motor; 16. Turntable; 17. Fixed rod; 18. Bending plate; 19. L-shaped plate; 20. Hydraulic cylinder; 21. Extrusion plate; 22. Control panel. DETAILED DESCRIPTION

[0018] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0019] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0020] Example 1, as Figure 1-4 As shown, the utility model provides a bending device for folding a lower side door, comprising a working plate 1, a movable plate 4 is provided on the top of the working plate 1, an embedding groove 5 is opened on the top of the movable plate 4, a slide groove 8 is opened on the top of the working plate 1, a screw 10 is provided inside the slide groove 8, and a movable part 9 is sleeved and threadedly connected on the surface of the screw 10, and the top of the movable part 9 is fixedly connected to the bottom of the movable plate 4, the top of the working plate 1 is fixedly connected to a base 14, the top of the base 14 is fixedly connected to a second motor 15, the output end of the second motor 15 is fixedly connected to a turntable 16, a side wall of the turntable 16 is fixedly connected to a fixing rod 17 near the center, a surface of the turntable 16 is fixedly connected to a bending plate 18 near the edge, the bending plate 18 is attached to one end of the movable plate 4, an L-shaped plate 19 is fixedly connected to the top of the working plate 1 and close to the movable plate 4, a hydraulic cylinder 20 is fixedly connected to the top of the L-shaped plate 19, and the output end of the hydraulic cylinder 20 passes through the top of the L-shaped plate 19 and is fixedly connected to an extrusion plate 21.

[0021] The effect achieved by the entire embodiment 1 is that a movable plate 4 is provided on the top of the working plate 1, a embedding groove 5 is provided on the top of the movable plate 4, and a slide groove 8 is provided on the top of the working plate 1, which can play the role of placing the lower side door hinge. A screw 10 is provided inside the slide groove 8, and the surface of the screw 10 is sleeved and threadedly connected with a movable member 9. The top of the movable member 9 is fixedly connected to the bottom of the movable plate 4, which can make the screw 10 rotate to drive the movable member 9 to move, and the movement of the movable member 9 can drive the movable plate 4 to move. A base 14 is fixedly connected to the top of the working plate 1, and a second motor 15 is fixedly connected to the top of the base 14. The output end of the second motor 15 is fixedly connected to a turntable 16. The turntable 16 A fixing rod 17 is fixedly connected to one side wall near the center, and a bending plate 18 is fixedly connected to the surface of the turntable 16 near the edge. The bending plate 18 is in contact with one end of the movable plate 4, which can make the second motor 15 drive the turntable 16 to rotate. The rotation of the turntable 16 drives the bending plate 18 to rotate and cooperate with the fixed rod 17 to bend the lower side door hinge. An L-shaped plate 19 is fixedly connected through the top of the working plate 1 and close to the movable plate 4. The top of the L-shaped plate 19 is fixedly connected to a hydraulic cylinder 20. The output end of the hydraulic cylinder 20 passes through the top of the L-shaped plate 19 and is fixedly connected to an extrusion plate 21, which can make the hydraulic cylinder 20 push the extrusion plate 21 to descend and squeeze and fix the top of the lower side door hinge.

[0022] Example 2, as Figure 1-4 As shown, the bottom of the working plate 1 and near the four corners are fixedly connected to the support legs 2, and the bottoms of the support legs 2 are fixedly connected to the trapezoidal blocks 3; the inside of the embedding groove 5 and near the edge are fixedly connected to the baffle 6, and a groove 7 is provided on one side wall of the movable plate 4, and the groove 7 is connected to the embedding groove 5; a limiting groove 12 is provided at the top of the working plate 1 and near one end, and a slider 13 is embedded and slidably connected inside the limiting groove 12, and the top of the slider 13 is fixedly connected to the bottom of the movable plate 4; one end of the screw 10 is rotatably connected to the inner wall bearing of one end of the embedding groove 5, and the other end of the screw 10 passes through the inner wall of the other end of the embedding groove 5 and is rotatably connected to its bearing, and the front of the working plate 1 is embedded and fixedly connected to the second motor 15, and the output end of the second motor 15 is fixedly connected to one end of the screw 10; the front of the working plate 1 and near one end is fixedly connected to the control panel 22, and the control panel 22 is electrically connected to the first motor 11, the second motor 15 and the hydraulic cylinder 20.

[0023] The effect achieved by the entire embodiment 2 is that the support legs 2 are fixedly connected to the bottom of the working plate 1 and near the four corners, and the bottoms of the support legs 2 are fixedly connected to the trapezoidal blocks 3, which can play the role of supporting the bottom of the working plate 1; the blocking bar 6 is fixedly connected to the inside of the embedded groove 5 and near the edge, which can play the role of blocking the hinge of the lower side door, and a groove 7 is opened on one side wall of the movable plate 4, and the groove 7 is connected to the embedded groove 5, which can facilitate the removal of the hinge of the lower side door; a limiting groove 12 is opened at the top of the working plate 1 and near one end, and a slider 13 is embedded and slidably connected to the inside of the limiting groove 12, and the top of the slider 13 is fixed to the bottom of the movable plate 4 The connection can limit the movable plate 4; one end of the screw 10 is rotatably connected to the inner wall bearing of one end of the embedded groove 5, and the other end of the screw 10 passes through the inner wall of the other end of the embedded groove 5 and is rotatably connected to its bearing. The front of the working plate 1 is embedded and fixedly connected with the second motor 15, and the output end of the second motor 15 is fixedly connected to one end of the screw 10, which can make the second motor 15 drive the screw 10 to rotate; a control panel 22 is fixedly connected through the front of the working plate 1 and close to one end, and the control panel 22 is electrically connected to the first motor 11, the second motor 15 and the hydraulic cylinder 20, so that the control panel 22 can control the device.

[0024] Working principle: By placing the lower side door hinge into the embedding groove 5, the first motor 11 drives the screw 10 to rotate, so that the movable part 9 can move inside the slide groove 8. The movement of the movable part 9 can drive the movable plate 4 to move, so that the lower side door hinge can be automatically embedded under the extrusion plate 21. At the same time, the other end of the lower side door hinge will be embedded under the fixed rod 17. At this time, the turntable 16 is driven to rotate by the first motor 11. The rotation of the turntable 16 can drive the bending plate 18 to rotate and cooperate with the fixed rod 17 to bend the lower side door hinge. When the screw 10 rotates in the opposite direction, the bent lower side door hinge can automatically detach from the bending position, thereby improving the bending efficiency.

[0025] The wiring diagram of the first motor 11, the second motor 15, the hydraulic cylinder 20 and the control panel 22 in the present invention is common knowledge in the field, and its working principle is a well-known technology. The model is selected according to the actual use. Therefore, the control method and wiring arrangement of the first motor 11, the second motor 15, the hydraulic cylinder 20 and the control panel 22 are not explained in detail.

[0026] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A bending device for a lower side door hinge, comprising a working plate (1), characterized in that: The top of the working plate (1) is provided with a moving plate (4), the top of the moving plate (4) is provided with an embedding groove (5), the top of the working plate (1) is provided with a sliding groove (8), the interior of the sliding groove (8) is provided with a screw (10), the surface of the screw (10) is sleeved and threadedly connected with a moving part (9), the top of the moving part (9) is fixedly connected to the bottom of the moving plate (4), the top of the working plate (1) is fixedly connected to a base (14), the top of the base (14) is fixedly connected to a second motor (15), the output of the second motor (15) The end of the working plate (1) is fixedly connected to a turntable (16), a fixed rod (17) is fixedly connected to a side wall of the turntable (16) and near the center, a bending plate (18) is fixedly connected to the surface of the turntable (16) and near the edge, and the bending plate (18) is in contact with one end of the movable plate (4), and an L-shaped plate (19) is fixedly connected to the top of the working plate (1) and near the movable plate (4), and a hydraulic cylinder (20) is fixedly connected to the top of the L-shaped plate (19), and the output end of the hydraulic cylinder (20) passes through the top of the L-shaped plate (19) and is fixedly connected to an extrusion plate (21).

2. A bending device for lower door hinges according to claim 1, characterized in that: Support legs (2) are fixedly connected to the bottom of the working plate (1) and near the four corners, and trapezoidal blocks (3) are fixedly connected to the bottoms of the support legs (2).

3. The bending device for the lower door hinge according to claim 1, characterized in that: A blocking bar (6) is fixedly connected inside the embedding groove (5) and close to the edge thereof. A groove (7) is provided on one side wall of the movable plate (4). The groove (7) is communicated with the embedding groove (5).

4. The bending device for the lower door hinge according to claim 1, characterized in that: A limiting groove (12) is provided at the top of the working plate (1) and near one end. A slider (13) is embedded in and slidably connected to the inside of the limiting groove (12). The top of the slider (13) is fixedly connected to the bottom of the movable plate (4).

5. The bending device for lower door hinges according to claim 1, characterized in that: One end of the screw rod (10) is rotatably connected to the inner wall bearing of one end of the embedded groove (5), and the other end of the screw rod (10) passes through the inner wall of the other end of the embedded groove (5) and is rotatably connected to its bearing. A second motor (15) is embedded in and fixedly connected to the front surface of the working plate (1), and the output end of the second motor (15) is fixedly connected to one end of the screw rod (10).

6. The bending device for the lower door hinge according to claim 5, characterized in that: A control panel (22) is fixedly connected to the front side of the working plate (1) near one end, and the control panel (22) is electrically connected to the first motor (11), the second motor (15) and the hydraulic cylinder (20).

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