Numerical control bending machine with bending angle convenient to adjust

Abstract

The utility model is applicable to the technical field of numerical control bending machines, and provides a numerical control bending machine convenient to adjust a bending angle, which comprises a bottom plate, and a fixed box is fixedly connected to the top of the bottom plate; a buffer box is fixedly connected to the top of the fixed box, a swing block is arranged in the buffer box, the two ends of the swing block are rotationally connected with the buffer box through rotating shafts, and a steel plate body is arranged at the top of the swing block. According to the numerical control bending machine convenient to adjust the bending angle, the buffering box, the swing block, the rotating shaft, the steel plate body bending block and the hydraulic mechanism are arranged, so that the phenomenon that a bent angle rebounds due to elastic recovery of a bent steel plate body is greatly reduced; the problem that although an existing bending machine can adjust the bending degree of a workpiece, elastic recovery generated by the bent workpiece cannot be greatly reduced, and angle springback after bending is caused is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of numerical control bending machines, and in particular relates to a numerical control bending machine which is convenient for adjusting the bending angle. Background Art

[0002] CNC bending machine uses the equipped mold to bend cold metal sheets into workpieces of various geometric cross-sectional shapes. It is a sheet forming machine designed for cold rolled sheet metal processing. It is widely used in sheet bending processing in industries such as automobiles, aircraft manufacturing, light industry, shipbuilding, containers, elevators, and railway vehicles. Especially in aluminum sheet processing operations, CNC bending machines are often required to bend aluminum sheets.

[0003] The patent document with the prior art publication number CN 219817580 U provides a CNC bending machine that is easy to adjust the bending angle. The device is used in conjunction with a base, a support plate, a slide rod, a mounting plate, a No. 1 mold block, a No. 2 mold block, a fixed groove, a compression spring, a sliding bottom plate and an adjustment component, so that the distance between the No. 1 mold block and the No. 2 mold block can be adjusted, so that the bending curvature of the workpiece can be adjusted, avoiding frequent replacement of bending molds, effectively reducing costs and improving bending efficiency. Although the current bending machine can adjust the bending curvature of the workpiece, it cannot significantly reduce the elastic recovery of the workpiece after bending, resulting in the purpose of angle rebound after bending. Utility Model Content

[0004] The utility model provides a CNC bending machine which is convenient for adjusting the bending angle, aiming to solve the problem that although the existing bending machine can adjust the bending curvature of the workpiece, it cannot significantly reduce the elastic recovery of the workpiece after bending, resulting in the rebound of the angle after bending.

[0005] The utility model is implemented as follows: a CNC bending machine which is convenient for adjusting the bending angle comprises: a bottom plate, a fixed box is fixedly connected to the top of the bottom plate; a buffer box is fixedly connected to the top of the fixed box, a pendulum block is arranged inside the buffer box, both ends of the pendulum block are rotatably connected to the buffer box through a rotating shaft, a steel plate body is arranged on the top of the pendulum block, a bending block is arranged on the top of the steel plate body; a hydraulic mechanism which can control the bending angle of the steel plate body is arranged on the top of the bending block; a buffer mechanism which can prolong the service life of the machine is arranged on the bottom of the buffer box.

[0006] Preferably, the hydraulic mechanism includes: an L-shaped side baffle is fixedly connected to the top of the bending block, hydraulic cylinders are arranged on both sides of the top of the L-shaped side baffle, and the L-shaped side baffles are fixedly connected to the telescopic ends of the hydraulic cylinders; the two hydraulic cylinders are arranged inside the frame, and the bottom of the frame is fixedly connected to the fixed box and the bottom plate.

[0007] Preferably, the buffer mechanism includes: a connecting block fixedly connected to the bottom of the buffer box, the bottom end of the connecting block passes through the fixed box and extends to the limiting slider, and the limiting slider is slidably connected to the fixed box; three springs are evenly arranged at the bottom of the limiting slider, and the springs are all arranged inside the fixed box.

[0008] Preferably, a damping pad is provided on the outer surface between the limiting sliding block and the fixing box, and the damping pad is fixedly connected to the limiting sliding block.

[0009] Preferably, the buffer box comprises a box body and side panels; both sides of the top of the box body are fixedly connected with side panels, and the rotating shaft is rotatably connected to the side panels and the box body.

[0010] Preferably, adjacent sides of the two side panels are each provided with an angle scale, and the angle scale is adapted to the steel plate body.

[0011] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0012] By setting a buffer box, a swing block, a rotating shaft, a steel plate body bending block and a hydraulic mechanism, the rebound phenomenon of the angle after bending caused by the elastic recovery of the steel plate body after bending can be greatly reduced. This solves the problem that although the current bending machine can adjust the bending curvature of the workpiece, it cannot greatly reduce the elastic recovery of the workpiece after bending, which causes the rebound of the angle after bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 The utility model Figure 1 Enlarged view of point A in the middle;

[0015] Figure 3 It is a side sectional view of the utility model;

[0016] Figure 4 This is a connection diagram between the pendulum block and the rotating shaft of the utility model.

[0017] In the figure: 1. bottom plate; 2. fixed box; 3. buffer box; 4. swing block; 5. rotating shaft; 6. steel plate body; 7. bending block; 8. hydraulic mechanism; 9. buffer mechanism; 10. L-shaped side baffle; 11. hydraulic cylinder; 12. frame; 13. connecting block; 14. limit slider; 15. spring; 16. damping pad; 17. box; 18. side panel; 19. angle scale. DETAILED DESCRIPTION

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] The utility model provides a CNC bending machine which is convenient for adjusting the bending angle. Figure 1-4 As shown, it includes: a base plate 1, a fixed box 2 is fixedly connected to the top of the base plate 1; a buffer box 3 is fixedly connected to the top of the fixed box 2, a pendulum block 4 is arranged inside the buffer box 3, both ends of the pendulum block 4 are rotatably connected to the buffer box 3 through a rotating shaft 5, a steel plate body 6 is arranged on the top of the pendulum block 4, and a bending block 7 is arranged on the top of the steel plate body 6; a hydraulic mechanism 8 for controlling the bending angle of the steel plate body 6 is arranged on the top of the bending block 7; a buffer mechanism 9 for extending the service life of the machine is arranged at the bottom of the buffer box 3.

[0021] It should be noted that the user places the steel plate body on the top of the pendulum block, and then controls the bending block 7 to move downward through the hydraulic mechanism 8. While the bending block 7 squeezes the steel plate body 6, the pendulum block 4 rotates inside the buffer box 3 through the cooperation of the rotating shaft 5. The pendulum block 4 cooperates with the bending block 7 to bend the steel plate body 6, thereby greatly reducing the elastic recovery of the steel plate body 6 after bending, which causes the rebound phenomenon of the bent angle after bending. This solves the problem that although the current bending machine can adjust the bending curvature of the workpiece, it cannot greatly reduce the elastic recovery of the workpiece after bending, which causes the rebound of the bent angle.

[0022] In a further preferred embodiment of the present invention, Figure 1 , 3As shown, the hydraulic mechanism 8 includes: an L-shaped side baffle 10 is fixedly connected to the top of the bending block 7, hydraulic cylinders 11 are arranged on both sides of the top of the L-shaped side baffle 10, and the L-shaped side baffles 10 are fixedly connected to the telescopic ends of the hydraulic cylinders 11; the two hydraulic cylinders 11 are arranged inside the frame 12, and the bottom of the frame 12 is fixedly connected to the fixed box 2 and the bottom plate 1.

[0023] In this embodiment, the hydraulic cylinder 11 is started, and the telescopic end of the hydraulic cylinder 11 drives the L-shaped side baffle 10 to move downward, and the L-shaped side baffle 10 drives the bending block 7, so that the bending block 7 squeezes the steel plate body 6.

[0024] In a further preferred embodiment of the present invention, Figure 1 , 2 As shown in FIG. 3 , the buffer mechanism 9 includes: a connecting block 13 is fixedly connected to the bottom of the buffer box 3, the bottom end of the connecting block 13 passes through the fixed box 2 and extends to the limiting slider 14, and the limiting slider 14 is slidably connected to the fixed box 2; three springs 15 are evenly arranged at the bottom of the limiting slider 14, and the springs 15 are all arranged inside the fixed box 2.

[0025] In this embodiment, the buffer box 3 moves downward while being subjected to force, driving the connecting block 13, and the connecting block 13 drives the limiting slider 14. The limiting slider 14 cooperates with the fixed box 2 to squeeze the spring 15. The spring 15 buffers the buffer box 3 through its own elastic force, thereby protecting the machine and extending the service life of the machine.

[0026] In a further preferred embodiment of the present invention, Figure 2 As shown, a damping pad 16 is provided on the outer surface between the limiting slider 14 and the fixing box 2 , and the damping pad 16 is fixedly connected to the limiting slider 14 .

[0027] In this embodiment, the damping pad 16 can buffer and release the rebound force generated by the spring 15 .

[0028] In a further preferred embodiment of the present invention, Figure 1 , 3 As shown, the buffer box 3 includes a box body 17 and side panels 18 ; both sides of the top of the box body 17 are fixedly connected with the side panels 18 , and the rotating shaft 5 is rotatably connected with the side panels 18 and the box body 17 .

[0029] In this embodiment, the connection between the rotating shaft 5 and the buffer box 3 can be flexibly rotated.

[0030] In a further preferred embodiment of the present invention, Figure 1 As shown, the adjacent sides of the two side plates 18 are each provided with an angle scale 19 , and the angle scale 19 is adapted to the steel plate body 6 .

[0031] In this embodiment, the user can observe the angle of the steel plate body 6 after bending from the oblique side of the device, thereby achieving the purpose of controlling the bending angle of the steel plate body 6.

[0032] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the present invention is not limited by the described action sequence, because according to the present invention, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the present invention.

[0033] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0034] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0035] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. A CNC bending machine that is convenient for adjusting the bending angle, comprising: A bottom plate (1), the top of which is fixedly connected to a fixing box (2); The invention is characterized in that a buffer box (3) is fixedly connected to the top of the fixed box (2), a pendulum block (4) is arranged inside the buffer box (3), both ends of the pendulum block (4) are rotatably connected to the buffer box (3) through a rotating shaft (5), a steel plate body (6) is arranged on the top of the pendulum block (4), and a bending block (7) is arranged on the top of the steel plate body (6); A hydraulic mechanism (8) capable of controlling the bending angle of the steel plate body (6) is arranged on the top of the bending block (7); The bottom of the buffer box (3) is provided with a buffer mechanism (9) for extending the service life of the machine.

2. A CNC bending machine that is easy to adjust the bending angle as claimed in claim 1, characterized in that: The hydraulic mechanism (8) comprises: The top of the bending block (7) is fixedly connected to an L-shaped side baffle (10), both sides of the top of the L-shaped side baffle (10) are provided with hydraulic cylinders (11), and the L-shaped side baffles (10) are fixedly connected to the telescopic ends of the hydraulic cylinders (11); The two hydraulic cylinders (11) are both arranged inside the frame (12), and the bottom of the frame (12) is fixedly connected to the fixed box (2) and the bottom plate (1).

3. A CNC bending machine that is easy to adjust the bending angle as claimed in claim 1, characterized in that: The buffer mechanism (9) comprises: The bottom of the buffer box (3) is fixedly connected with a connecting block (13), the bottom end of the connecting block (13) passes through the fixed box (2) and extends to the limiting slider (14), and the limiting slider (14) is slidably connected to the fixed box (2); Three springs (15) are evenly arranged at the bottom of the limiting sliding block (14), and the springs (15) are all arranged inside the fixing box (2).

4. A CNC bending machine that is easy to adjust the bending angle as claimed in claim 3, characterized in that: A damping pad (16) is provided on the outer surface between the limiting sliding block (14) and the fixing box (2), and the damping pad (16) is fixedly connected to the limiting sliding block (14).

5. A CNC bending machine that is easy to adjust the bending angle as claimed in claim 1, characterized in that: The buffer box (3) comprises a box body (17) and side panels (18); the top sides of the box body (17) are fixedly connected to the side panels (18), and the rotating shaft (5) is rotatably connected to the side panels (18) and the box body (17).

6. A CNC bending machine for adjusting the bending angle as claimed in claim 5, characterized in that: An angle scale (19) is provided on one adjacent side of the two side plates (18), and the angle scale (19) is matched with the steel plate body (6).

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