A shearing angle adjusting mechanism of a numerical control plate shearing machine
By designing a combination of adjusting frame, guide block, bracket and arc plate, the angle adjustment of the shearing blade of CNC shearing machine is realized, the interference problem during shearing is solved, and the accuracy and adaptability of shearing are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JINAN ZHENHONG MASCH CO LTD
- Filing Date
- 2025-08-26
- Publication Date
- 2026-08-04
AI Technical Summary
Existing CNC shearing machines are prone to interference during shearing and cannot adjust relative angles, resulting in poor adaptability and an inability to achieve shearing effects with different included angles.
A shearing angle adjustment mechanism including an adjustment frame, guide block, bracket, mounting frame and arc plate is designed. By combining the guide block and bracket, and adjusting the rotation of the arc plate and guide wheel, the horizontal angle of the shearing blade can be adjusted. The drive motor drives the gear and gear ring to achieve precise angle control.
It achieves precise and stable adjustment of the shearing blade, enabling shearing effects at different angles, with high adaptability, and improves the accuracy and efficiency of shearing.
Smart Images

Figure CN224587075U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of shearing machine technology, specifically to a shearing angle adjustment mechanism for a CNC shearing machine. Background Technology
[0002] When shearing sheet metal, a shearing machine is needed to cut sheet metal of different thicknesses and materials. In order to improve the shearing efficiency and reduce the burrs on the sheet metal, the position of the upper blade holder needs to be adjusted to achieve a suitable shearing angle, thereby obtaining better shearing quality. The shearing angle refers to the angle at which the workpiece being sheared contacts the material.
[0003] The utility model patent application CN 209648927 U discloses a CNC shearing machine with easily adjustable shearing angle, comprising a frame, guide rollers, a second guide rod, and a slide rail. A first hydraulic press and a second hydraulic press are respectively mounted on the upper left and right sides of the frame. The first hydraulic press is connected to a mounting base via the lower first guide rod. A cutting blade is mounted below the mounting base. The lower end of a support rod is embedded into the upper end of a sleeve. A fixing strip is provided at the upper end of the mounting base. Rotating shafts are mounted on both sides of the guide rollers. The second guide rod is mounted below the second hydraulic press. The slide rail is mounted on the right side above the mounting base. This CNC shearing machine with easily adjustable shearing angle, equipped with a first hydraulic press and a second hydraulic press, allows for adjustment of the shearing angle of the cutting blade when the lower ends of the two hydraulic presses are at different heights. The angle can be adjusted according to the different angles required for different types of sheet metal, making operation convenient.
[0004] In the aforementioned disclosed results, the hydraulic press at both ends hinges the mounting base and the cutting blade, thereby controlling the cutting blade to flip up and down to adjust the angle. This method can only adjust the height difference between the two ends for tilting and positioning, which is prone to mutual interference. Furthermore, it lacks a support plate for connecting the adjustment frame to combine the mounting frame and the cutting blade, and cannot rotate to adjust the angle in the horizontal direction. Consequently, it cannot change the relative angle with the plate and cannot tilt to cut at different angles. This method has poor adaptability and needs improvement. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a shearing angle adjustment mechanism for a CNC shearing machine, thereby solving the problems of easy mutual interference and inability to adjust the relative angle to change the shearing angle.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a shearing angle adjustment mechanism for a CNC shearing machine, comprising an adjustment frame, guide blocks fixedly connected to both ends of the adjustment frame, a bracket fixedly connected to one side surface of the guide blocks, an mounting frame slidably mounted on the surface of the bracket, a mounting plate fixedly connected to the inner side of the mounting frame, a shearing blade fixedly mounted on the lower surface of the mounting plate, arc-shaped plates provided at both ends of the mounting frame, the arc-shaped plates swingingly connected to the upper surface of the bracket, a semi-gear ring fixedly connected to one side of the outer surface of the arc-shaped plates, a drive gear meshing on one side of the outer surface of the semi-gear ring, the drive gear rotatably mounted on one side of the upper surface of the bracket, a drive motor assembled at one end of the drive gear, and the drive motor fixedly mounted on one side of the lower surface of the bracket.
[0007] Preferably, the adjustment frame has a U-shaped structure.
[0008] Preferably, there are two guide blocks and two brackets, which are symmetrically connected to both ends of the adjustment frame.
[0009] Preferably, the shearing blade is located directly below the mounting bracket, with its bottom protruding from the lower surface of the bracket. The guide block and bracket are installed through the U-shaped adjustment bracket, which can be aligned with the inside of the shearing machine frame. Combined with the telescopic rod, the blade is lifted and lowered to impact and shear downwards. This facilitates assembly and installation, makes it easy to control and use, and ensures precision and stability.
[0010] Preferably, a guide wheel is rotatably mounted on the upper surface of the bracket, and the surface of the guide wheel is rolledly connected to the inner arc-shaped surface of the arc-shaped plate.
[0011] Preferably, a limiting plate is fixedly connected to the upper surface of the guide wheel, and the limiting plate is rotatably connected to the upper surface of the arc-shaped plate.
[0012] Preferably, there are two of each of the arc-shaped plate and guide wheels, which are respectively connected to the upper positions of the brackets at both ends. The guide wheels are connected to the limiting plates, thereby aligning and connecting to the inner surface of the arc-shaped plate. This allows for support and positioning of the mounting bracket from both ends, ensuring the accuracy and stability of rotation adjustment, preventing misalignment, ensuring safety and stability, and facilitating combined use.
[0013] Compared with the prior art, this utility model provides a shearing angle adjustment mechanism for a CNC shearing machine, which has the following advantages: Through its design, the adjustment structure uses an adjustment frame to install guide blocks and brackets, facilitating alignment and support after installation. This allows for convenient lifting and shearing control. Furthermore, the shearing blade is connected to the mounting frame, and guide wheels are installed on the curved plates at both ends. This allows for combined installation and positioning, followed by rotation and adjustment in the horizontal plane. This changes the angle of the shearing blade, enabling tilting and shearing of products at different angles. This design facilitates precise and efficient control. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the cross-sectional structure of this utility model; Figure 3 This is a partial structural diagram of the arc-shaped plate guide wheel connection in this utility model; Figure 4 This is a partial structural diagram of the connection between the guide block and the adjusting frame in this utility model; Figure 5 This is a schematic diagram of the mounting bracket in this utility model.
[0015] In the diagram: 1 Adjustment frame, 11 Guide block, 12 Bracket, 13 Mounting frame, 14 Mounting plate, 15 Shearing blade, 16 Arc plate, 17 Half gear ring, 18 Drive gear, 19 Drive motor, 2 Guide wheel, 21 Limiting plate. Detailed Implementation
[0016] 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.
[0017] This utility model provides a technical solution: a shearing angle adjustment mechanism for a CNC shearing machine. Please refer to [link / reference]. Figure 1 , Figure 4 and Figure 5The system includes an adjusting frame 1, with guide blocks 11 fixedly connected to both ends. A bracket 12 is fixedly connected to one side of the guide blocks 11. By installing the guide blocks 11 and bracket 12 through the adjusting frame 1, they can be combined for positioning, facilitating lifting and control for shearing operations. A mounting frame 13 is slidably mounted on the surface of the bracket 12. A mounting plate 14 is fixedly connected to the inner side of the mounting frame 13. A shearing blade 15 is fixedly mounted on the lower surface of the mounting plate 14. Positioning the shearing blade 15 at the bottom allows it to impact the material downwards for shearing, facilitating combined use and providing convenience and efficiency. Both ends of the mounting frame 13 are provided with arc-shaped plates 16, which are oscillatingly connected to the upper surface of the bracket 12. A semi-gear ring 17 is fixedly connected to one side of the outer surface of the arc-shaped plate 16. A drive gear 18 meshes with one side of the outer surface of the semi-gear ring 17. The drive gear 18 is rotatably mounted on one side of the upper surface of the bracket 12, and a drive motor is mounted on one end of the drive gear 18. 19. The drive motor 19 is fixedly installed on one side of the lower surface of the bracket 12. After the shearing blade 15 is adjusted to the positive position, it can be perpendicular to the two sides of the plate, thus directly shearing to form a square plate. When tilting shearing is required, the drive motor 19 can be started to rotate the drive gear 18. The drive gear 18 meshes with the half gear ring 17 to rotate the mounting bracket 13, thus swinging the shearing blade 15 in the horizontal plane. In this way, the direction of the shearing blade 15 and the two sides of the plate form a certain angle. After downward impact shearing, a diamond-shaped plate can be formed. The swing angle of the drive control mounting bracket 13 can adjust the angle of the corner position of the plate, forming acute, right, and obtuse angle structures. Furthermore, according to the arc length of the half gear ring 17, the angle can be adjusted to ±20 degrees, which is convenient for adjustment and shearing processing as needed. It is precise, efficient, highly adaptable, and easy to install and use.
[0018] Please see Figure 1 , Figure 3 and Figure 4 The adjusting frame 1 has a U-shaped structure, with two guide blocks 11 and two brackets 12, symmetrically connected to both ends of the adjusting frame 1. The shearing blade 15 is located directly below the mounting frame 13, with its bottom protruding from the lower surface of the bracket 12. By installing the guide blocks and brackets through the U-shaped adjusting frame, it can be aligned with the inside of the shearing machine frame. Combined with the telescopic rod, it can be raised and lowered, thus driving the shearing blade downward to impact and shear. This design facilitates assembly and installation, is easy to control and use, and is precise and stable. In use, the upper end of the adjusting frame 1 can be assembled with the telescopic rod to align it with the inside of the shearing machine frame. The guide blocks 11 at both ends are connected to the track groove inside the frame, allowing for vertical sliding adjustment of the height position. This facilitates pushing downward from the top, causing the shearing blade 15 at the bottom to impact and shear the plate. This design is precise, stable, easy to install and use, and highly adaptable.
[0019] Please see Figure 1 , Figure 2 and Figure 3 A guide wheel 2 is rotatably mounted on the upper surface of the bracket 12. The surface of the guide wheel 2 is rolledly connected to the inner arc-shaped surface of the arc-shaped plate 16. A limit plate 21 is fixedly connected to the upper surface of the guide wheel 2. The limit plate 21 is rotatably connected to the upper surface of the arc-shaped plate 16. There are two arc-shaped plates 16 and two guide wheels 2, which are respectively connected to the upper positions of the brackets 12 at both ends. The guide wheels are connected to the limit plates, thereby aligning and connecting to the inner surface of the arc-shaped plate. This allows for support and positioning of the mounting frame from both ends, ensuring the accuracy and stability of rotation adjustment and preventing misalignment. Safe and stable, and easy to use in combination, the guide wheels 2 at both ends are connected to the inner surface of the arc plate 16, which can limit the support and prevent lateral movement, ensuring precise stability. When the arc plate 16 is driven to rotate with the mounting bracket 13, the rotation support of the guide wheels 2 ensures stability and facilitates installation and use. During the rotation adjustment process, the upper limit plate 21 limits the upper surface of the arc plate 16, which can assist in positioning the mounting bracket 13, prevent upward movement, improve safety and shape, facilitate combination use, and has high adaptability.
[0020] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0021] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A shearing angle adjusting mechanism of a numerical control plate shearing machine, comprising an adjusting frame (1), characterized in that: Both ends of the adjusting frame (1) are fixedly connected to guide blocks (11). A bracket (12) is fixedly connected to one side surface of the guide block (11). A mounting frame (13) is slidably installed on the surface of the bracket (12). A mounting plate (14) is fixedly connected to the inner side of the mounting frame (13). A shearing blade (15) is fixedly installed on the lower surface of the mounting plate (14). Both ends of the mounting frame (13) are provided with arc plates (16). The arc plates (16) are swayed and connected to the upper surface of the bracket (12). A half-tooth ring (17) is fixedly connected to one side of the outer surface of the arc plate (16). A drive gear (18) meshes with one side of the outer surface of the half-tooth ring (17). The drive gear (18) is rotatably installed on one side of the upper surface of the bracket (12). A drive motor (19) is assembled and installed at one end of the drive gear (18). The drive motor (19) is fixedly installed on one side of the lower surface of the bracket (12).
2. The shearing angle adjusting mechanism of a numerical control plate shearing machine according to claim 1, characterized in that: The adjustment frame (1) has a U-shaped structure.
3. The shearing angle adjusting mechanism of a numerical control plate shearing machine according to claim 1, characterized in that: There are two guide blocks (11) and brackets (12), which are symmetrically connected to both ends of the adjusting frame (1).
4. The shearing angle adjusting mechanism of a numerical control plate shearing machine according to claim 1, characterized in that: The shearing blade (15) is located directly below the mounting bracket (13) and its bottom protrudes from the lower surface of the bracket (12).
5. The shearing angle adjusting mechanism of a numerical control plate shearing machine according to claim 1, characterized in that: The upper surface of the bracket (12) is rotatably mounted with a guide wheel (2), and the surface of the guide wheel (2) is rolledly connected to the inner arc surface of the arc plate (16).
6. The shear angle adjustment mechanism of a numerical control plate shearing machine according to claim 5, characterized in that: The upper surface of the guide wheel (2) is fixedly connected to a limiting plate (21), and the limiting plate (21) is rotatably connected to the upper surface of the arc plate (16).
7. The shear angle adjustment mechanism of a numerical control plate shearing machine according to claim 6, characterized in that: There are two of each of the arc-shaped plate (16) and guide wheel (2), and they are respectively connected to the brackets (12) at both ends.