Movable cushion block mechanism for automatic straightening machine
By designing a moving pad mechanism for an automatic straightening machine, and employing a servo motor and lifting drive mechanism, the automatic control of the pad is achieved, solving the problem of reliance on manual operation and improving straightening efficiency.
Patent Information
- Application Number
- CN202422979779.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2034-12-04
AI Technical Summary
The existing straightening machine requires manual placement of pads, which demands a high level of operational experience and reduces straightening efficiency.
The moving pad mechanism designed for automatic straightening machines uses a servo motor to drive the sliding bracket and the lifting drive mechanism to achieve automatic movement and lifting of the pad. The wedge block structure enables precise control of the pad.
It enables automatic movement and lifting of the pad blocks, reducing reliance on manual operation experience and improving straightening efficiency.
Smart Images

Figure CN223833163U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of straightening machine technology, specifically to a moving pad mechanism for an automatic straightening machine. Background Technology
[0002] Metal bars undergo bending deformation during production, requiring straightening machines to straighten them. The straightening process involves inspecting the entire length of the bar and applying reverse pressure to points where the bending exceeds the acceptable range. Pads are needed on both sides near the pressure points to elevate the bar. Currently, some straightening machines still require manual placement of these pads, which demands a high level of operator experience and reduces straightening efficiency. Utility Model Content
[0003] In order to solve the problems existing in the prior art, this utility model provides a moving pad mechanism for an automatic straightening machine.
[0004] The specific solution of this utility model is as follows: A movable pad mechanism for an automatic straightening machine includes a base, a linear track and a rack on the base, a sliding bracket on the linear track, a servo motor on the sliding bracket, a gear on the output shaft of the servo motor, the gear meshing with the rack, the servo motor being signal-connected to the main control system of the straightening machine, a fixed bracket on the sliding bracket, a pair of rollers on the top of the fixed bracket for supporting the bar to be straightened; a lifting pad mechanism is mounted on one side of the fixed bracket on the sliding bracket, the lifting pad mechanism including a fixed seat, a lifting drive mechanism and a pad, a sliding cavity inside the fixed seat, and the pad sliding and lifting within the sliding cavity.
[0005] Furthermore, the fixed base is provided with a sliding cavity A arranged in the horizontal direction and a sliding cavity B arranged in the vertical direction. The sliding cavity A and the sliding cavity B are connected. A wedge A is installed in the sliding cavity A and a wedge B is installed in the sliding cavity B. The side of the wedge A that contacts the wedge B is provided with an inclined surface, and a pad is provided at the top of the wedge B. The lifting drive mechanism is a cylinder or an electric cylinder, and the output end of the cylinder or electric cylinder is connected to the wedge A.
[0006] Furthermore, the top surface of the pad is provided with an arc-shaped groove in the middle, and the axis of the arc-shaped groove is parallel to the axis of the support roller.
[0007] Furthermore, the angle between the inclined plane and the horizontal plane is 30°-45°.
[0008] Compared with the prior art, the beneficial effects of this utility model are as follows: it realizes the automatic movement of the pad block to the detection point and the automatic lifting and raising of the bar, reducing the dependence on manual operation experience and improving efficiency. Attached Figure Description
[0009] Figure 1 This is a three-dimensional schematic diagram of the present invention;
[0010] Figure 2 This is the front view of this utility model;
[0011] Figure 3 yes Figure 2 AA view;
[0012] Figure 4 yes Figure 2 CC view;
[0013] In the diagram: 1. Base; 2. Linear rail; 3. Sliding bracket; 4. Fixed bracket; 5. Support roller; 6. Servo motor; 7. Lifting drive mechanism; 8. Fixed seat; 9. Pad; 10. Straight rack; 11. Gear; 12. Wedge A. Detailed Implementation
[0014] like Figure 1-4 As shown, this embodiment is a moving pad 9 mechanism for an automatic straightening machine, including a base 1, a linear track 2 and a rack 10 on the base 1, a sliding bracket 3 on the linear track 2, a servo motor 6 on the sliding bracket 3, a gear 11 on the output shaft of the servo motor 6, the gear 11 meshing with the rack 10, the servo motor 6 being signal-connected to the main control system of the straightening machine, a fixed bracket 4 on the sliding bracket 3, a pair of rollers 5 on the top of the fixed bracket 4 for supporting the bar to be straightened; a lifting pad 9 mechanism is installed on one side of the fixed bracket 4 on the sliding bracket 3, the lifting pad 9 mechanism including a fixed seat 8, a lifting drive mechanism 7 and a pad 9, the fixed seat 8 having a sliding cavity, the pad 9 sliding and lifting within the sliding cavity.
[0015] Furthermore, the fixed base 8 is provided with a sliding cavity A arranged in the horizontal direction and a sliding cavity B arranged in the vertical direction. The sliding cavity A and the sliding cavity B are connected. A wedge block A12 is installed in the sliding cavity A and a wedge block B is installed in the sliding cavity B. The side of the wedge block A12 that contacts the wedge block B is provided with an inclined surface, and a pad block 9 is provided at the top of the wedge block B. The lifting drive mechanism 7 is a cylinder or an electric cylinder, and the output end of the cylinder or electric cylinder is connected to the wedge block A12.
[0016] Furthermore, the top surface of the pad 9 is provided with an arc-shaped groove in the middle, and the axis of the arc-shaped groove is parallel to the axis of the support roller 5.
[0017] When the cylinder or electric cylinder is activated, it drives the wedge block A12 to move horizontally. Due to the effect of the inclined plane, the wedge block A12 will drive the wedge block B to rise or fall. This allows the pad block 9 to be raised above the height of the support roller 5 when the bar needs to be pushed upward, and the pad block 9 to be lowered when the bar needs to be lowered. When the height of the pad block 9 is lower than the height of the support roller 5, the bar is supported by the support roller 5 again.
[0018] Furthermore, the angle between the inclined plane and the horizontal plane is 30°-45°.
[0019] The working principle of this utility model is as follows: The base 1 is part of the straightening machine. The two ends of the base 1 are equipped with bar clamping mechanisms. The clamping mechanisms drive the bar to rotate around its own central axis. During the rotation, the detection mechanism detects each part of the bar and automatically finds the point with a large bending deviation. Then, the main control system controls two sets of pad moving block mechanisms to move to both sides of the point to raise it. Each set of moving pad block 9 mechanisms moves to a designated position through the servo motor 6. The number of rotations of the servo motor 6 is precisely controlled according to the distance between the current position of the pad block 9 and the point to be straightened, thereby driving the sliding bracket 3 to move a corresponding distance. This makes the pad blocks 9 of the two sets of moving pad block 9 mechanisms move to the two sides of the point to be straightened at a certain distance. Then, the lifting drive mechanism 7 is activated to lift the pad block 9 upward. After being lifted, the height of the pad block 9 exceeds the height of the support roller 5, thereby causing the bar to disengage from the support roller. Then, the straightening machine controls the pressure block to press down on this straightening point, thus completing one straightening action.
Claims
1. A moving pad mechanism for an automatic straightening machine, characterized in that: The device includes a base, on which are mounted a linear track and a rack. A sliding bracket is mounted on the linear track, and a servo motor is mounted on the sliding bracket. The output shaft of the servo motor is equipped with a gear that meshes with the rack. The servo motor is connected to the main control system of the straightening machine. A fixed bracket is mounted on the sliding bracket, and a pair of rollers are mounted on the top of the fixed bracket to support the bar material to be straightened. A lifting pad mechanism is mounted on one side of the fixed bracket on the sliding bracket. The lifting pad mechanism includes a fixed seat, a lifting drive mechanism, and a pad. A sliding cavity is provided inside the fixed seat, and the pad slides and rises within the sliding cavity.
2. The moving pad mechanism for an automatic straightening machine according to claim 1, characterized in that: The fixed base has a sliding cavity A arranged horizontally and a sliding cavity B arranged vertically. The sliding cavity A and the sliding cavity B are connected. A wedge A is installed in the sliding cavity A and a wedge B is installed in the sliding cavity B. The side of the wedge A that contacts the wedge B has an inclined surface, and a pad is provided at the top of the wedge B. The lifting drive mechanism is a cylinder or an electric cylinder, and the output end of the cylinder or electric cylinder is connected to the wedge A.
3. The moving pad mechanism for an automatic straightening machine according to claim 1, characterized in that: The top surface of the pad has an arc-shaped groove in the middle, and the axis of the arc-shaped groove is parallel to the axis of the support roller.
4. The moving pad mechanism for an automatic straightening machine according to claim 2, characterized in that: The angle between the inclined plane and the horizontal plane is 30°-45°.