Numerical control bending machine

Abstract

The utility model relates to the technical field of bending machines, in particular to a numerical control bending machine which comprises a machine box, a lifting bearing mechanism, a bending mechanism and a material moving mechanism, can be applied to production and machining of steel plates, achieves automatic feeding, automatic adjustment of bottom supporting width, automatic bending and automatic discharging, and is ingenious in structure, free of manual operation and high in automation degree. And the overturning angle of the overturning pressing plate is controlled through the motor, so that the bending angle of the steel plate can be controlled, and various bending requirements can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, in particular to a numerically controlled bending machine. Background Art

[0002] Container houses are a common modular building. Container houses are usually made of steel components and have high strength. In the production process of steel components, steel plates usually need to be bent and formed.

[0003] A bending machine is usually used to bend and shape steel plates. For example, a bending machine disclosed in Chinese patent publication number CN107470405A has a technical solution in which a die handle extends outwardly on both sides of a frame to form a first mounting block, and a lower die extends outwardly on both sides of the frame to form a second mounting block, and an annular hook is hung between the first mounting block and the second mounting block on each side, and the length of the annular hook is greater than the distance between the first mounting block and the second mounting block when the lower die and the upper die are in conflict; at least one side of the second mounting block is connected to a driving device for driving the lower die to rotate with the second mounting block as the center, so that the lower die can rotate under the drive of the driving device.

[0004] The bending machines of the prior art usually require manual loading and unloading, resulting in low production efficiency. Moreover, the upper and lower mold structures are usually adopted. For bending requirements of different specifications, the corresponding upper and lower molds need to be replaced, which is cumbersome to operate.

[0005] Therefore, the prior art still needs to be improved and developed. Utility Model Content

[0006] In view of the above-mentioned deficiencies of the prior art, the purpose of the utility model is to provide a CNC bending machine to solve the problem that the bending machine of the prior art requires manual loading and unloading and the upper and lower molds need to be replaced according to product specifications.

[0007] A CNC bending machine, comprising:

[0008] A chassis, wherein a work surface is provided at the upper end of the chassis, and a plurality of movable holes arranged along the x direction are provided on the work surface;

[0009] A lifting and supporting mechanism, comprising a first lifting device fixed in the chassis, and a support plate connected to the output end of the first lifting device, wherein the support plate can pass through the upper end of the movable hole at a corresponding position along the z direction;

[0010] The bending mechanism comprises a first driving device arranged at the upper end of the worktable and driven in the x direction, a carrier connected to the output end of the first driving device, a second lifting device fixed on the carrier and driven in the z direction, a sliding seat connected to the output end of the second lifting device, a motor fixed to the sliding seat, and a flip pressing plate connected to the output end of the motor;

[0011] The material transfer mechanism includes a gantry fixed to the upper end of the worktable, a second driving device fixed to the gantry and driven along the x-direction, a sliding frame connected to the output end of the second driving device, a third lifting device fixed to the sliding frame and driven along the z-direction, an upper pressure plate connected to the output end of the third lifting device, and a plurality of vacuum suction cups arranged at the lower end of the upper pressure plate.

[0012] Specifically, the first lifting device and the first driving device are both screw modules.

[0013] Specifically, there are two bending mechanisms, which are respectively arranged on both sides of the gantry and are mirror-symmetrical.

[0014] Specifically, the flip pressure plate includes a rotating end and a swinging end, the output end of the motor is fixedly connected to the side surface of the rotating end along the y direction, and the outer side surface of the rotating end away from the swinging end is an arc surface.

[0015] Specifically, the sliding seat is provided with a sliding groove along the z direction, the sliding seat is slidably matched with the sliding groove, and the second lifting device is a cylinder.

[0016] Specifically, the second driving device is a linear module, and the third lifting device is a cylinder.

[0017] Specifically, the upper end of the upper pressing plate is connected with a guide rod along the z direction, and the sliding frame is provided with a guide hole that is slidably matched with the guide rod.

[0018] Beneficial effects of the utility model:

[0019] The CNC bending machine of the utility model can be applied to the production and processing of steel plates. According to the width size of the steel plate, the number and height of the lifting of the support plate are adjusted to suit the bottom support width of the steel plate. The steel plate placed in the preparation area is adsorbed by the vacuum suction cup, and the second driving device cooperates with the third lifting device to place the steel plate on the supporting area formed by the upper end of the lifted support plate, and the second lifting device is used to drive the sliding seat and the flip pressing plate to rise, and then the first driving device is used to drive the flip pressing plate along the x direction to the side of the support plate at the edge, and the sliding seat and the flip pressing plate are driven to descend by the second lifting device, and the flip pressing plate is driven to rotate by the motor, and the flip pressing plate bends the steel plate to form a bending part. After the bending is completed, the material is transferred and unloaded by the material moving mechanism, thereby realizing automatic loading, automatic adjustment of the bottom support width, automatic bending, and automatic unloading. The structure is ingenious, no manual operation is required, and the degree of automation is high; the flipping angle of the flip pressing plate is controlled by the motor to complete the control of the bending angle of the steel plate, which is suitable for various bending requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A top view of the CNC bending machine of the present application;

[0021] Figure 2 for Figure 1 Sectional view along line AA;

[0022] Figure 3 This is a schematic diagram of the structure of the flip pressure plate of the present application;

[0023] Figure 4 for Figure 1 Sectional view along line BB;

[0024] Figure 5 The three-dimensional CNC bending machine of this application Figure 1 ;

[0025] Figure 6 for Figure 5 Enlarged view of part C;

[0026] Figure 7 The three-dimensional CNC bending machine of this application Figure 2 ;

[0027] Figure 8 This is a schematic diagram of the structure of the CNC bending machine of the present application before bending the steel plate;

[0028] Fig. 9 This is a schematic diagram of the structure of the steel plate after being bent by the CNC bending machine of this application.

[0029] The figures are marked as follows: chassis 10, work table 11, movable hole 12, lifting and supporting mechanism 20, first lifting device 21, support plate 22, bending mechanism 30, first driving device 31, carrier 32, second lifting device 33, sliding seat 34, motor 35, flip pressure plate 36, material moving mechanism 40, gantry 41, second driving device 42, sliding frame 43, third lifting device 44, upper pressure plate 45, vacuum suction cup 46, rotating end 361, swinging end 362, slide groove 341, guide rod 451, steel plate 50. DETAILED DESCRIPTION

[0030] The utility model provides a CNC bending machine. In order to make the purpose, technical solution and effect of the utility model clearer and more specific, the utility model is further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0031] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] like Figures 1 to 9 , this embodiment discloses a CNC bending machine, comprising:

[0033] A chassis 10, a work surface 11 is provided at the upper end of the chassis 10, and a plurality of movable holes 12 arranged along the x direction are provided on the work surface 11;

[0034] The lifting and supporting mechanism 20 includes a first lifting device 21 fixed in the chassis 10, and a support plate 22 connected to the output end of the first lifting device 21, and the support plate 22 can pass through the upper end of the movable hole 12 at the corresponding position along the z direction;

[0035] The bending mechanism 30 includes a first driving device 31 disposed on the upper end of the work surface 11 and driven in the x direction, a carrier 32 connected to the output end of the first driving device 31, a second lifting device 33 fixed on the carrier 32 and driven in the z direction, a sliding seat 34 connected to the output end of the second lifting device 33, a motor 35 fixed to the sliding seat 34, and a flip pressing plate 36 connected to the output end of the motor 35;

[0036] The material transfer mechanism 40 includes a gantry 41 fixed to the upper end of the worktable 11, a second driving device 42 fixed to the gantry 41 and driven along the x-direction, a sliding frame 43 connected to the output end of the second driving device 42, a third lifting device 44 fixed to the sliding frame 43 and driven along the z-direction, an upper pressure plate 45 connected to the output end of the third lifting device 44, and a plurality of vacuum suction cups 46 arranged at the lower end of the upper pressure plate 45.

[0037] The CNC bending machine of this embodiment can be applied to the production and processing of the steel plate 50. According to the width of the steel plate 50, the cooperation of the plurality of first lifting devices 21 can be used to adjust the number and height of the lifting of the support plate 22 to suit the bottom support width of the steel plate 50. The steel plate 50 placed in the preparation area is adsorbed by the vacuum suction cup 46, and the steel plate 50 is placed in the supporting area formed by the upper end of the raised support plate 22 by the cooperation of the second driving device 42 and the third lifting device 44. Then, the second lifting device 33 is used to drive the sliding seat 34, The flipping plate 36 is lifted up, and then driven to the side of the outermost support plate 22 along the x direction by the first driving device 31, and the sliding seat 34 and the flipping plate 36 are driven to descend by the second lifting device 33, and the flipping plate 36 is driven to rotate by the motor 35, and the flipping plate 36 bends the steel plate 50 to form a bending portion. After the bending is completed, the material is transferred and unloaded through the material shifting mechanism 40, thereby realizing automatic loading, automatic adjustment of the bottom support width, automatic bending, and automatic unloading. The structure is ingenious, no manual operation is required, and the degree of automation is high.

[0038] Moreover, by controlling the flip angle of the flip pressing plate 36 through the motor 35, the bending angle of the steel plate 50 can be controlled to meet various bending requirements.

[0039] Please refer to Figure 6 and Figure 7 In this embodiment, the first lifting device 21 and the first driving device 31 are both screw modules. The screw modules have high precision and can control the formation more accurately to ensure the bending effect.

[0040] Please refer to Figure 2 and Figure 5 There are two bending mechanisms 30, which are respectively arranged on both sides of the gantry 41 and are mirror-symmetrical, and can simultaneously bend the two sides of the steel plate 50 along the x-direction to improve efficiency.

[0041] Please refer to Figure 3 , Figure 8 and Fig. 9 The flip pressure plate 36 of this embodiment includes a rotating end 361 and a swinging end 362. The output end of the motor 35 is fixedly connected to the side of the rotating end 361 along the y direction. The outer side surface of the rotating end 361 away from the swinging end 362 is an arc surface. When the steel plate 50 is bent, the bending action can be completed more smoothly due to the guiding effect of the arc surface.

[0042] Please refer to Figure 6 The sliding seat 34 is provided with a slide groove 341 along the z direction. The sliding seat 34 slides with the slide groove 341 to improve the stability of the sliding seat 34 moving along the z direction. The second lifting device 33 is a cylinder, which has a compact structure, light weight and small space occupation.

[0043] Furthermore, the second driving device 42 is a linear module, which has high precision and fast travel speed, and can quickly complete the transfer action; the third lifting device 44 is a cylinder, which has a high load and high power, and can achieve the lifting of the steel plate 50.

[0044] Furthermore, the upper end of the upper pressure plate 45 is connected to a guide rod 451 along the z direction, and the sliding frame 43 is provided with a guide hole that slidably cooperates with the guide rod 451. The sliding cooperation between the guide rod 451 and the guide hole improves the stability of the upper pressure plate 45 moving along the z direction.

[0045] The preferred implementation methods of the present invention are specifically described above, but the present invention is not limited to the described embodiments. Those skilled in the art may make various equivalent modifications or substitutions without violating the spirit of the present invention, and these equivalent modifications or substitutions are all included in the scope defined by the claims of the present invention.

Claims

1. A CNC bending machine, characterized in that: include: A chassis (10), wherein a work surface (11) is provided at the upper end of the chassis (10), and a plurality of movable holes (12) arranged along the x-direction are provided on the work surface (11); A lifting and supporting mechanism (20) comprises a first lifting device (21) fixed in the chassis (10), and a support plate (22) connected to an output end of the first lifting device (21), wherein the support plate (22) can pass through an upper end of the movable hole (12) at a corresponding position along the z direction; The bending mechanism (30) comprises a first driving device (31) arranged at the upper end of the working table (11) and driven in the x-direction, a carrier (32) connected to the output end of the first driving device (31), a second lifting device (33) fixed on the carrier (32) and driven in the z-direction, a sliding seat (34) connected to the output end of the second lifting device (33), a motor (35) fixed to the sliding seat (34), and a flip pressing plate (36) connected to the output end of the motor (35); The material transfer mechanism (40) comprises a gantry (41) fixed to the upper end of the work surface (11), a second driving device (42) fixed to the gantry (41) and driven along the x-direction, a sliding frame (43) connected to the output end of the second driving device (42), a third lifting device (44) fixed to the sliding frame (43) and driven along the z-direction, an upper pressing plate (45) connected to the output end of the third lifting device (44), and a plurality of vacuum suction cups (46) arranged at the lower end of the upper pressing plate (45).

2. A CNC bending machine according to claim 1, characterized in that: The first lifting device (21) and the first driving device (31) are both screw modules.

3. A CNC bending machine according to claim 1, characterized in that: There are two bending mechanisms (30), and the two bending mechanisms (30) are respectively arranged on both sides of the gantry (41) and are mirror-symmetrical.

4. A CNC bending machine according to claim 1, characterized in that: The flip pressure plate (36) comprises a rotating end (361) and a swinging end (362); the output end of the motor (35) is fixedly connected to the side surface of the rotating end (361) along the y direction; and the outer side surface of the rotating end (361) away from the swinging end (362) is an arc surface.

5. The CNC bending machine according to claim 1, characterized in that: The sliding seat (34) is provided with a sliding groove (341) along the z direction, the sliding seat (34) is slidably matched with the sliding groove (341), and the second lifting device (33) is a cylinder.

6. A CNC bending machine according to claim 1, characterized in that: The second driving device (42) is a linear module, and the third lifting device (44) is a cylinder.

7. The CNC bending machine according to claim 1, characterized in that: The upper end of the upper pressing plate (45) is connected to a guide rod (451) along the z direction, and the sliding frame (43) is provided with a guide hole that is slidably matched with the guide rod (451).

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