A continuous bending machine for machining steel ladder step plates

By designing a continuous bending machine for steel stair treads and adopting an auxiliary forming and feeding mechanism, the problem of weak welding after one bending of the material was solved, realizing rapid, precise forming and safe processing of steel stair treads.

CN224926795UActive Publication Date: 2026-11-03LUOYANG HUICHENG STEEL STRUCTURE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202522294580.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-10-30
Publication Date
2026-11-03
Estimated Expiration
2035-10-30

AI Technical Summary

Technical Problem

When processing steel stair treads, existing continuous bending machines remove the material directly after bending it once. The steel plate steps are welded with multiple right-angle plates, resulting in weak welds that are prone to breakage, posing a safety hazard.

Method used

A continuous bending machine for processing steel stair treads was designed, comprising an auxiliary forming mechanism and an auxiliary feeding mechanism. Through the cooperation of synchronous pulleys, eccentric shafts and cylinders, the machine achieves precise forming and efficient conveying of materials, ensuring the stability and accuracy of the processing.

Benefits of technology

It enables rapid and precise forming of steel stair treads, improving processing efficiency and safety, and avoiding safety hazards caused by weak welding.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224926795U_ABST
    Figure CN224926795U_ABST
Patent Text Reader

Abstract

The utility model discloses a continuous bending machine for processing steel ladder step board relates to steel ladder step board processing field, including base, the outside fixed mounting of base has the frame, the inside fixed mounting of frame has drive motor, the fixed mounting of synchronous wheel no.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of steel stair tread processing technology, specifically a continuous bending machine for processing steel stair treads. Background Technology

[0002] Steel stair treads are made from steel grating and are widely used in industrial platforms, stairs, etc. During the processing of steel stair treads, a continuous bending machine is required to bend the material.

[0003] A cold-pressing forming device for steel stair treads, as disclosed in announcement number CN218256932U, includes a cuboid frame as the main structure. A vertical hydraulic cylinder rail is located at the upper end of the cuboid frame, and a vertical hydraulic cylinder is connected to a vertical hydraulic cylinder fixing plate. A pressure plate is fixedly connected to the lower end of each vertical hydraulic cylinder. Horizontal hydraulic cylinder rails are located inside the left and right sets of vertical beams of the cuboid frame. Horizontal hydraulic cylinders are connected to both sets of horizontal hydraulic cylinder fixing plates, and push plates are fixedly connected to both horizontal hydraulic cylinders. Clamping plate rail support frames and clamping plate rails are fixedly connected to both the front and rear sides of the cuboid frame. Limiting plates are provided on both sets of clamping plate rails. The ends of two parallel horizontal clamping plates are located within the two sets of limiting plates and are slidably connected to the two sets of clamping plate rails, forming a groove between the two horizontal clamping plates. Limiting bolts are provided at both ends of the two sets of clamping plate rails. This utility model enables the rapid fabrication of steel stair treads on construction sites, improving production efficiency and ensuring project quality.

[0004] Most of the existing technologies mentioned above improve the overall structure. However, existing continuous bending machines remove the material directly after bending it once during operation. The steel plate step surface is formed by welding multiple right-angle plates, which makes it difficult to position the material during manufacturing. The welds are not strong and are prone to breakage, posing a safety hazard. Utility Model Content

[0005] The purpose of this utility model is to provide a continuous bending machine for processing steel stair treads, in order to solve the problems mentioned in the background art, such as the material being directly removed after one bending, the steel plate step surface being formed by welding multiple right-angle plates, which makes it difficult to place and position the material during manufacturing, the welds being weak and prone to breakage, and posing safety hazards.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a continuous bending machine for processing steel stair treads, comprising a base, a frame fixedly mounted on the outer side of the base, a drive motor fixedly mounted on the inner side of the frame, a synchronous wheel fixedly mounted on the output shaft of the drive motor, the drive motor driving the synchronous wheel to realize material conveying, a fixed frame fixedly mounted on the upper end of the base, a lower mold fixedly mounted on the upper end of the base, an upper mold set on the upper end of the lower mold, an auxiliary forming mechanism set on the lower end of the fixed frame, the auxiliary forming mechanism processing the material to form the required shape, and an auxiliary feeding mechanism set on the inner side of the base, the auxiliary feeding mechanism transporting the material to facilitate subsequent processing.

[0007] Furthermore, the auxiliary feeding mechanism is provided with a rotating shaft one, which is rotatably mounted on the outside of the base. A synchronous wheel two is fixedly mounted on the outside of the rotating shaft one, the rotating shaft two is fixedly mounted on the outside of the base, and a synchronous wheel three is fixedly mounted on the outside of the rotating shaft two. A synchronous belt is provided between the synchronous wheel one, the synchronous wheel two, and the synchronous wheel three.

[0008] Furthermore, the first, second, and third synchronous pulleys are adapted to the synchronous belt, and the first, second, and third synchronous pulleys together form a triangular structure.

[0009] Furthermore, an eccentric shaft is rotatably mounted on the inner side of the rotating shaft, a rotating column is rotatably mounted on the inner side of the base, and an eccentric shaft is rotatably mounted on the outer side of the rotating column. Feeding rods are provided on the inner sides of the eccentric shaft and the eccentric shaft, and a connecting rod is fixedly mounted on the inner side of the feeding rod.

[0010] Furthermore, there are two identical feeding rods, which are symmetrically distributed about the base. The two feeding rods are fixedly connected by a connecting rod. The feeding rod, eccentric shaft one, and eccentric shaft two are rotatably connected. The eccentric shaft two is rotatably connected to the rotating shaft two.

[0011] Furthermore, the auxiliary molding mechanism is equipped with a vertical cylinder, which is fixedly installed on the upper end of the fixed frame. A movable plate is fixedly installed on the output end of the vertical cylinder, and a vertical cylinder is fixedly installed on the outer side of the base.

[0012] Furthermore, the movable plate is fixedly connected to the upper mold, and the output end of the vertical cylinder is provided with a rubber pad, and two identical vertical cylinders are provided.

[0013] Furthermore, a buffer sleeve is provided at the lower end of the fixing frame, a buffer column is fixedly installed on the inner side of the buffer sleeve, a buffer plate is provided on the outer side of the buffer column, and a connecting column is fixedly installed at the upper end of the buffer plate.

[0014] Furthermore, the connecting column and the movable plate are fixedly connected, the buffer column and the buffer plate are slidably connected, and a spring is provided at the lower end of the buffer plate, with the spring located on the outside of the buffer column.

[0015] Compared with the prior art, the beneficial effects of this utility model are: This continuous bending machine for processing steel stair treads is equipped with an auxiliary forming mechanism. After the material is placed on the upper part of the lower pressure plate, it is clamped by a vertical cylinder. The vertical cylinder drives the moving plate, and the upper mold moves to extrude the material to form a steel stair tread. The buffer sleeves on both sides ensure the stability of the moving plate. When the connecting column moves down, the buffer plate slides on the buffer column, and the spring contracts to provide cushioning. This ensures that the material is formed quickly and accurately, and it is highly practical. Furthermore, an auxiliary feeding mechanism is provided. The drive motor drives the first synchronous pulley to rotate, and the synchronous belt causes the second and third synchronous pulleys to rotate synchronously, thereby activating the first and second rotating shafts. At the same time, the rotation of the first and second rotating shafts drives the first eccentric shaft to move, and this displacement is transmitted through the upper structure to cause the feeding rod to move. On the other side, the linkage between the rotating column and the second eccentric shaft drives the other feeding rod to move through the connecting rod, ensuring that the material is efficiently transported to the upper end of the lower mold, demonstrating its practicality. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the installation structure of the synchronous pulley and the rotating shaft of this utility model; Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 This is a schematic diagram of the installation structure of the rotating shaft and the eccentric shaft of this utility model; Figure 5 This is a schematic diagram of the installation structure of the lower mold and the base of this utility model; Figure 6 This is a schematic diagram of the cross-sectional structure of the buffer sleeve of this utility model.

[0017] In the diagram: 1. Base; 2. Frame; 3. Drive motor; 4. Synchronous pulley one; 5. Rotating shaft one; 6. Synchronous pulley two; 7. Rotating shaft two; 8. Synchronous pulley three; 9. Synchronous belt; 10. Eccentric shaft one; 11. Rotating column; 12. Eccentric shaft two; 13. Feeding rod; 14. Connecting rod; 15. Fixing frame; 16. Lower mold; 17. Vertical cylinder; 18. Moving plate; 19. Vertical cylinder; 20. Upper mold; 21. Buffer sleeve; 22. Buffer column; 23. Buffer plate; 24. Connecting column. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example 1: Please refer to Figure 1 - Figure 6 This utility model provides the following technical solution: a continuous bending machine for processing steel stair treads, including a base 1, a frame 2 fixedly installed on the outer side of the base 1, a drive motor 3 fixedly installed on the inner side of the frame 2, a synchronous wheel 4 fixedly installed on the output shaft of the drive motor 3, the drive motor 3 drives the synchronous wheel 4 to realize the material conveying, a fixed frame 15 fixedly installed on the upper end of the base 1, a lower mold 16 fixedly installed on the upper end of the base 1, an upper mold 20 set on the upper end of the lower mold 16, an auxiliary forming mechanism set on the lower end of the fixed frame 15, the material is processed by the auxiliary forming mechanism to form the required shape, and an auxiliary feeding mechanism is set on the inner side of the base 1, the material is transported by the auxiliary feeding mechanism to facilitate subsequent processing.

[0020] The auxiliary feeding mechanism is equipped with a rotating shaft 5, which is rotatably mounted on the outside of the base 1. A synchronous pulley 6 is fixedly mounted on the outside of the rotating shaft 5. A rotating shaft 7 is fixedly mounted on the outside of the base 1. A synchronous pulley 8 is fixedly mounted on the outside of the rotating shaft 7. A synchronous belt 9 is provided between the synchronous pulleys 4, 6, and 8. The synchronous pulleys 4, 6, and 8 are compatible with the synchronous belt 9 and together form a triangular structure. An eccentric shaft 10 is rotatably mounted on the inside of the rotating shaft 5. A rotating column 11 is rotatably mounted on the inside of the base 1. An eccentric shaft 12 is rotatably mounted on the outside of the rotating column 11. Feeding rods 13 are provided on the inside of the eccentric shafts 10 and 12. A connecting rod 14 is fixedly mounted on the inside of the feeding rods 13. Two identical feeding rods 13 are provided and are symmetrically distributed about the base 1. The two feeding rods 13 are connected by a connecting rod. 14. Fixed connection, feeding rod 13, eccentric shaft one 10 and eccentric shaft two 12 are rotatably connected, eccentric shaft two 12 and rotating shaft two 7 are rotatably connected. Under the strong drive of drive motor 3, synchronous pulley one 4 can rotate smoothly. Through the precise transmission of synchronous belt 9, synchronous pulley one 4 further drives synchronous pulley two 6 and synchronous pulley three 8 to work together. This process causes rotating shaft one 5 and rotating shaft two 7 to start synchronously. At the same time, the rotation of rotating shaft one 5 and rotating shaft two 7 drives the movement of eccentric shaft one 10, causing it to produce regular displacement. This displacement is precisely transmitted through the upper structure, causing the feeding rod 13 to undergo corresponding displacement changes. On the other side, the linkage between rotating column 11 and eccentric shaft two 12 makes the whole system more coordinated. Through the clever drive of connecting rod 14, the feeding rod 13 on the other side also produces precise displacement. This design ensures that the material can be efficiently transported to the upper end of the lower mold 16, showing extremely high practicality.

[0021] Example 2: Based on Example 1, an auxiliary molding mechanism is also disclosed, the specific structure of which is as follows: Figure 5 - Figure 6 As shown: The auxiliary molding mechanism is equipped with a vertical cylinder 17, which is fixedly installed on the upper end of the fixed frame 15. A movable plate 18 is fixedly installed on the output end of the vertical cylinder 17. A vertical cylinder 19 is fixedly installed on the outer side of the base 1. The movable plate 18 is fixedly connected to the upper mold 20. A rubber pad is provided on the output end of the vertical cylinder 19, and two identical vertical cylinders 19 are provided.

[0022] A buffer sleeve 21 is provided at the lower end of the fixed frame 15. A buffer column 22 is fixedly installed on the inner side of the buffer sleeve 21, and a buffer plate 23 is provided on the outer side of the buffer column 22. A connecting column 24 is fixedly installed at the upper end of the buffer plate 23. The connecting column 24 is fixedly connected to the moving plate 18, and the buffer column 22 and the buffer plate 23 are slidably connected. A spring is provided at the lower end of the buffer plate 23, and the spring is located on the outer side of the buffer column 22. After the material is placed on the upper end of the lower pressure plate, the vertical cylinders on both sides will perform precise clamping. At this time, the vertical cylinder 17 drives... The movable plate 18 causes the upper mold 20 to move accordingly, thereby forcefully squeezing the material to form a steel stair tread. During this process, the buffer sleeves 21 on both sides play a key buffering role for the movable plate 18, ensuring the smoothness of the movement. When the connecting column 24 moves downward, the buffer plate 23 slides on the buffer column 22, and the spring at its lower end contracts accordingly, providing effective buffering capacity for the movable plate 18. This design ensures that the material can be formed quickly and accurately during the molding process, greatly improving its practicality.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A continuous bending machine for processing steel stair treads, comprising a base (1), a frame (2) fixedly installed on the outer side of the base (1), a drive motor (3) fixedly installed on the inner side of the frame (2), and a synchronous wheel (4) fixedly installed on the output shaft of the drive motor (3), thereby conveying materials by driving the synchronous wheel (4) through the drive motor (3); Its features are: A fixing frame (15) is fixedly installed on the upper end of the base (1), a lower mold (16) is fixedly installed on the upper end of the base (1), an upper mold (20) is provided on the upper end of the lower mold (16), and an auxiliary forming mechanism is provided on the lower end of the fixing frame (15). The material is processed by the auxiliary forming mechanism to form the required shape. An auxiliary feeding mechanism is provided on the inner side of the base (1) to transport materials, which facilitates subsequent processing.

2. The continuous bending machine for processing steel stair treads according to claim 1, characterized in that: The auxiliary feeding mechanism is provided with a rotating shaft 1 (5), and the rotating shaft 1 (5) is rotatably installed on the outside of the base (1). A synchronous wheel 2 (6) is fixedly installed on the outside of the rotating shaft 1 (5). A rotating shaft 2 (7) is fixedly installed on the outside of the base (1). A synchronous wheel 3 (8) is fixedly installed on the outside of the rotating shaft 2 (7). A synchronous belt (9) is provided between the synchronous wheel 1 (4), the synchronous wheel 2 (6) and the synchronous wheel 3 (8).

3. A continuous bending machine for processing steel stair treads according to claim 2, characterized in that: The first synchronous pulley (4), the second synchronous pulley (6), and the third synchronous pulley (8) are adapted to the synchronous belt (9), and the first synchronous pulley (4), the second synchronous pulley (6), and the third synchronous pulley (8) together form a triangular structure.

4. A continuous bending machine for processing steel stair treads according to claim 2, characterized in that: An eccentric shaft (10) is rotatably mounted on the inner side of the rotating shaft (5), a rotating column (11) is rotatably mounted on the inner side of the base (1), an eccentric shaft (12) is rotatably mounted on the outer side of the rotating column (11), a feeding rod (13) is provided on the inner side of the eccentric shaft (10) and the eccentric shaft (12), and a connecting rod (14) is fixedly mounted on the inner side of the feeding rod (13).

5. A continuous bending machine for processing steel stair treads according to claim 4, characterized in that: The feeding rod (13) is provided in two identical parts, and the feeding rod (13) is symmetrically distributed about the base (1). The two feeding rods (13) are fixedly connected by a connecting rod (14). The feeding rod (13), eccentric shaft one (10) and eccentric shaft two (12) are rotatably connected. The eccentric shaft two (12) and rotating shaft two (7) are rotatably connected.

6. A continuous bending machine for processing steel stair treads according to claim 1, characterized in that: The auxiliary molding mechanism is provided with a vertical cylinder (17), and the vertical cylinder (17) is fixedly installed on the upper end of the fixed frame (15). A movable plate (18) is fixedly installed on the output end of the vertical cylinder (17), and a vertical cylinder (19) is fixedly installed on the outer side of the base (1).

7. A continuous bending machine for processing steel stair treads according to claim 6, characterized in that: The movable plate (18) is fixedly connected to the upper mold (20), and the output end of the vertical cylinder (19) is provided with a rubber pad, and there are two identical vertical cylinders (19).

8. A continuous bending machine for processing steel stair treads according to claim 6, characterized in that: The lower end of the fixed frame (15) is provided with a buffer sleeve (21), the inner side of the buffer sleeve (21) is fixedly installed with a buffer column (22), the outer side of the buffer column (22) is provided with a buffer plate (23), and the upper end of the buffer plate (23) is fixedly installed with a connecting column (24).

9. A continuous bending machine for processing steel stair treads according to claim 8, characterized in that: The connecting column (24) and the movable plate (18) are fixedly connected, the buffer column (22) and the buffer plate (23) are slidably connected, and the lower end of the buffer plate (23) is provided with a spring, which is located on the outside of the buffer column (22).