Internal moving mechanism of a bending machine

CN224794364UActive Publication Date: 2026-09-25JIANGSU LINGWEI CNC MACHINE TOOL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202521900002.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-04
Publication Date
2026-09-25
Estimated Expiration
2035-09-04

AI Technical Summary

Technical Problem

传统折弯机的移动机构多采用单一驱动方式,在实现左右平移与竖直升降的协同动作时,常因传动结构松散、导向不足等问题,出现移动卡顿、定位偏差等现象,尤其在处理高精度折弯需求时,误差累积易导致工件报废率上升,难以满足现代工业对加工质量的严苛要求

Benefits of technology

[0016]与现有技术相比,本实用新型提供了一种折弯机的内部移动机构,具备以下有益效果:

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224794364U_ABST
    Figure CN224794364U_ABST
Patent Text Reader

Abstract

The utility model belongs to inside mobile mechanism technical field especially for a kind of inside mobile mechanism of bending machine, including two symmetrical left and right moving device, the left and right moving device includes shell, half the inside of shell is connected with horizontal screw rod by bearing block rotation, wherein horizontal screw rod extends to the outside fixed connection of shell with pulley, the pulley is driven by belt, wherein one pulley is installed on the output end of driving motor.The utility model, the left and right moving device and vertical lifting device of symmetrical arrangement work in cooperation, by the thread transmission of horizontal screw rod and vertical screw rod, the double orientation constraint of combination guide rod and slide rail, effectively avoid the deviation and jam of moving seat, significantly improve the moving precision and stability;The design of unified installation carrier reduces power transmission loss, prolongs the service life of component;Modular structure is convenient for debugging maintenance, reduces operation and maintenance cost, can satisfy high-precision bending processing demand.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the technical field of internal moving mechanisms, specifically an internal moving mechanism for a bending machine. Background Technology

[0002] During the bending process, the stability and precision of the internal moving mechanism directly affect the bending accuracy and production efficiency of the workpiece. Traditional bending machines often use a single drive mechanism for their moving mechanism. When achieving coordinated left-right translation and vertical lifting, problems such as loose transmission structure and insufficient guidance often occur, resulting in movement jamming and positioning deviations. Especially when dealing with high-precision bending requirements, the accumulation of errors can easily lead to an increased workpiece scrap rate, making it difficult to meet the stringent processing quality requirements of modern industry.

[0003] In existing technologies, the power transmission components of some moving mechanisms lack a unified fixed carrier. The drive motor and transmission wheel are prone to positional misalignment under high-frequency vibration, leading to unstable belt tension. This not only reduces power transmission efficiency but also exacerbates component wear and shortens equipment lifespan. Furthermore, if the moving seat lacks effective guiding constraints during multi-directional movement transitions, it is prone to swaying or rotational deviation, further affecting the continuity and accuracy of bending actions.

[0004] Furthermore, the modular design of traditional mechanisms is insufficient, resulting in poor coordination between left-right movement and vertical lifting devices, and complex debugging and maintenance processes, increasing the operation and maintenance costs for manufacturing enterprises. To address these issues, there is an urgent need for a compact, stable, and precisely guided internal movement mechanism to improve the operational reliability and processing accuracy of bending machines and adapt to the needs of diverse industrial production scenarios. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides an internal moving mechanism for a bending machine, which solves the problems mentioned in the background section.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model specifically adopts the following technical solution:

[0009] An internal moving mechanism for a bending machine includes two symmetrical left-right moving devices. Each device includes a housing. One half of the housing is rotatably connected to a transverse screw via a bearing seat. The transverse screw extends to the outside of the housing and is fixedly connected to a pulley. The pulley is driven by a belt. One pulley is mounted on the output end of a drive motor. A transverse threaded sleeve is threaded onto the transverse screw. A movable seat is fixedly connected to one side of the transverse threaded sleeve. The movable seat is connected to a vertical extension / retraction device. Both vertical extension / retraction devices include housings. A vertical screw is rotatably connected to the housing via a bearing. The vertical screw is threadedly connected to the movable seat via a threaded block. A mounting frame is fixedly connected to the top of the housing. A motor base is fixedly mounted in the middle of the mounting frame. A servo motor is fixedly mounted on one side of the motor base. The output end of the servo motor passes through the motor base and is fixedly connected to a drive wheel. A power belt is driven to the surface of the drive wheel, and the power belt drives a power wheel.

[0010] Furthermore, the interior of the half of the outer casing is rotatably connected to a guide rod via a bearing seat, and a transverse threaded sleeve is also fitted onto the guide rod.

[0011] Furthermore, the drive motor is mounted on a mounting plate, and two pulleys are also mounted on the mounting plate, which is fixedly connected to the housing.

[0012] Furthermore, the movable seat is slidably engaged in a slide rail via a slider, and the slide rail is installed inside the housing.

[0013] Furthermore, the movable seat is slidably engaged in a slide rail via a slider, and the slide rail is installed in the housing.

[0014] Furthermore, a vertical screw is fixedly connected to the shaft center of the power wheel.

[0015] (III) Beneficial Effects

[0016] Compared with the prior art, the present invention provides an internal moving mechanism for a bending machine, which has the following advantages:

[0017] This invention utilizes a symmetrically arranged left-right moving device and a vertical lifting device working in concert. Through the threaded transmission of the horizontal and vertical screws, combined with the dual guiding constraints of the guide rod and slide rail, it effectively avoids the offset and jamming of the moving seat, significantly improving the moving accuracy and stability. The unified installation carrier design reduces power transmission loss and extends the service life of components. The modular structure facilitates debugging and maintenance, reduces operation and maintenance costs, and can meet the needs of high-precision bending processing. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0019] Figure 2 This is a schematic diagram of the rear view structure of this utility model;

[0020] Figure 3 This is a side view of the structure of this utility model.

[0021] In the diagram: 1. Outer shell; 2. Horizontal screw; 3. Pulley; 4. Drive motor; 5. Belt; 6. Horizontal threaded sleeve; 7. Moving seat; 8. Housing; 9. Vertical screw; 10. Mounting frame; 11. Motor base; 12. Drive wheel; 13. Power belt; 14. Power wheel. Detailed Implementation

[0022] 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.

[0023] Example

[0024] like Figure 1-3 As shown, an embodiment of the present invention provides an internal moving mechanism for a bending machine, which includes two symmetrical left and right moving devices. Each left and right moving device includes a housing 1, which serves as the mounting base for the left and right moving devices and provides protection and support for the internal components.

[0025] Half of the outer shell 1 is rotatably connected to the transverse screw 2 via a bearing seat. The transverse screw 2 extends to the outside of the outer shell 1 and is fixedly connected to a pulley 3. The pulley 3 is driven by a belt 5. One of the pulleys 3 is mounted on the output end of the drive motor 4. The drive motor 4 is mounted on a mounting plate fixed to the outer shell 1, and its output end is connected to the pulley 3. The other pulley 3 and the transverse screw 2 are driven synchronously by the belt 5 to provide power for left and right movement. The mounting plate also serves to fix the drive motor 4 and the pulley 3.

[0026] The transverse screw 2 is threadedly connected to a transverse sleeve 6. The transverse screw 2 is rotatably connected to the inside of the outer shell 1 through a bearing seat and is threadedly engaged with the transverse sleeve 6 to convert the rotational motion into the linear motion of the transverse sleeve 6, thereby realizing the left and right movement of the movable seat 7. A guide rod is also provided inside part of the outer shell 1. The guide rod is sleeved on the transverse sleeve 6 to guide and stabilize the movement trajectory of the transverse sleeve 6 and prevent it from rotating with the screw.

[0027] A movable seat 7 is fixedly connected to one side of the transverse threaded sleeve 6; it is fixedly connected to the transverse threaded sleeve 6 and moves left and right along the slide rail inside the outer shell 1 under the drive of the transverse threaded sleeve 6, while being connected to a vertical lifting device to realize the transmission of power and motion.

[0028] The movable seat 7 is connected to the vertical extension and lowering device, and the two vertical extension and lowering devices include a housing 8, which provides installation space and support for the components of the vertical lifting device;

[0029] A vertical screw 9 is rotatably connected inside the housing 8 via a bearing. The screw 9 is rotatably connected inside the housing 8 and engages with a threaded block on the movable seat 7, converting the rotational motion into the vertical motion of the movable seat 7.

[0030] The vertical screw 9 is threadedly connected to the movable seat 7 via a threaded block. The top of the housing 8 is fixedly connected to the mounting frame 10. The middle of the mounting frame 10 is fixedly mounted with a motor seat 11. The mounting frame 10 is fixed to the top of the housing 8, and the motor seat 11 is fixed to the middle of the mounting frame 10. It is used to install the servo motor and plays the role of fixing and supporting the servo motor.

[0031] A servo motor is fixedly mounted on one side of the motor base 11. The output end of the servo motor passes through the motor base 11 and is fixedly connected to a drive wheel 12. A power belt 13 is driven to the surface of the drive wheel 12, and the power belt 13 is driven to a power wheel 14. The output end of the servo motor is connected to the drive wheel 12, and drives the power wheel 14 to rotate through the power belt 13. The axis of the power wheel 14 is fixedly connected to the vertical screw 9, thereby driving the vertical screw 9 to rotate and providing power for vertical lifting. The movable seat 7 slides along the slide rail in the housing 8 through a slider to ensure the stability of vertical movement.

[0032] The working principle of the internal moving mechanism of the bending machine is as follows: After the drive motor 4 starts, it drives the two pulleys 3 to rotate synchronously through the belt 5, causing the transverse screw 2 to rotate. Under the action of the transverse screw 2 and the guide rod, the transverse screw sleeve 6 drives the moving seat 7 to move left and right along the slide rail inside the outer shell 1. At the same time, the servo motor on the mounting frame 10 drives the drive wheel 12 to rotate, which is transmitted to the power wheel 14 through the power belt 13, causing the vertical screw 9 to rotate. The threaded block drives the moving seat 7 to move up and down along the slide rail inside the shell 8. Through the cooperation of the left and right moving device and the vertical lifting device, the multi-dimensional movement of the mechanism is realized.

[0033] like Figure 3As shown, in some embodiments, the interior of the outer shell 1 is rotatably connected to a guide rod via a bearing seat, and a transverse threaded sleeve 6 is also fitted onto the guide rod. The guide rod and the transverse screw 2 are arranged parallel to each other and pass through the transverse threaded sleeve 6. When the drive motor 4 drives the transverse screw 2 to rotate via the pulley 3 and belt 5, the transverse threaded sleeve 6 will tend to move along the screw axis under the action of the thread. The guide rod, by fitting and limiting the transverse threaded sleeve 6, can effectively prevent the transverse threaded sleeve 6 from rotating synchronously with the transverse screw 2, retaining only the linear motion mode. This ensures that the moving seat 7 can stably move left and right along the slide rail inside the outer shell 1, improving the stability and accuracy of the left and right moving device.

[0034] like Figure 1 As shown, in some embodiments, the drive motor 4 is mounted on a mounting plate, and two pulleys 3 are also mounted on the mounting plate. The mounting plate is fixedly connected to the outer casing 1. The fixed connection between the mounting plate and the outer casing 1 provides a unified and stable mounting carrier for the drive motor 4 and the pulleys 3, ensuring that these power components will not shift in position due to vibration or other factors during operation, thus ensuring the stability of the overall structure.

[0035] like Figure 3 As shown, in some embodiments, the movable seat 7 is slidably engaged in a slide rail by a slider, and the slide rail is installed inside the housing 1; the slide rail installed inside the housing 1 provides a clear guide path for the left and right movement of the movable seat 7; the movable seat 7 is engaged with the slide rail by a slider to form a sliding fit relationship.

[0036] like Figure 3 As shown, in some embodiments, the movable seat 7 is engaged and slidably mounted in a slide rail via a slider, and the slide rail is installed in the housing 8. The slide rail is installed inside the housing 8, providing a precise guide path for the vertical movement of the movable seat 7. The movable seat 7 forms an engaging and sliding fit with the slide rail via the slider, and this structure can strictly constrain the movement trajectory of the movable seat 7.

[0037] like Figure 3 As shown, in some embodiments, a vertical screw 9 is fixedly connected to the axis of the power wheel 14; the axis of the power wheel 14 is fixedly connected to the vertical screw 9. When the servo motor drives the power wheel 14 to rotate through the drive wheel 12 and the power belt 13, the power wheel 14 can directly transmit the rotational motion to the vertical screw 9, so that the vertical screw 9 rotates synchronously.

[0038] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model 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 this utility model should be included within the protection scope of this utility model.

Claims

1. An internal moving mechanism for a bending machine, comprising two symmetrical left and right moving devices, characterized in that: The left and right moving device includes a housing (1), half of which is rotatably connected to a transverse screw (2) via a bearing seat. The transverse screw (2) extends to the outside of the housing (1) and is fixedly connected to a pulley (3). The pulley (3) is driven by a belt (5). One of the pulleys (3) is mounted on the output end of a drive motor (4). A transverse threaded sleeve (6) is threaded onto the transverse screw (2). A movable seat (7) is fixedly connected to one side of the transverse threaded sleeve (6). The movable seat (7) is connected to a vertical extension and reduction device. The two vertical extension and reduction devices include a housing (8). The housing (8) is rotatably connected to a vertical screw (9) via a bearing. The vertical screw (9) is threadedly connected to a movable seat (7) via a threaded block. A mounting frame (10) is fixedly connected to the top of the housing (8). A motor seat (11) is fixedly installed in the middle of the mounting frame (10). A servo motor is fixedly installed on one side of the motor seat (11). The output end of the servo motor passes through the motor seat (11) and is fixedly connected to a drive wheel (12). A power belt (13) is driven to the surface of the drive wheel (12). The power belt (13) is driven to a power wheel (14).

2. The internal moving mechanism of a bending machine according to claim 1, characterized in that: The interior of the half of the outer shell (1) is rotatably connected to the guide rod via a bearing seat, and a transverse threaded sleeve (6) is also fitted onto the guide rod.

3. The internal moving mechanism of a bending machine according to claim 1, characterized in that: The drive motor (4) is mounted on the mounting plate, and two pulleys (3) are also mounted on the mounting plate. The mounting plate is fixedly connected to the outer casing (1).

4. The internal moving mechanism of a bending machine according to claim 1, characterized in that: The movable seat (7) slides in the slide rail by means of a slider, and the slide rail is installed inside the housing (1).

5. The internal moving mechanism of a bending machine according to claim 1, characterized in that: The movable seat (7) slides in the slide rail by means of a slider, and the slide rail is installed in the housing (8).

6. The internal moving mechanism of a bending machine according to claim 1, characterized in that: A vertical screw (9) is fixedly connected to the axle of the power wheel (14).