Numerical control bending equipment

Abstract

The utility model discloses numerical control bending equipment, which relates to the technical field of bending machines and comprises a main body rack, a rack shell is arranged on the periphery of the main body rack, a control box is fixedly arranged at the front end of the main body rack, and a control panel is arranged on the control box. A pressing mechanism, a driving roller mechanism and a swinging bending mechanism are sequentially arranged at the upper end of the main body rack side by side; at least two groups of driving roller mechanisms are arranged; a swinging motor and a driving motor are fixedly mounted in the main body rack, the output end of the swinging motor is fixedly connected with a swinging gear, the swinging gear is in transmission connection with the swinging bending mechanism, and a protective cover is fixedly mounted at the upper end of the main body rack and covers the swinging gear; the output end of the driving motor is in driving connection with the driving roller mechanism; according to the swing bending mechanism, complete fitting of arc bending and angle bending is achieved, and the problem that the outer arc and the outer circular bead of a product are not flat is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bending machines, and particularly relates to a numerical control bending device. Background Art

[0002] A bending machine is a machine capable of bending thin plates. Its structure mainly includes a bracket, a workbench, and a clamping plate. The workbench is placed on the bracket and consists of a base and a pressing plate. During use, a wire is used to energize a coil, and after energization, an attraction force is generated on the pressing plate, thereby realizing the clamping of the thin plate between the pressing plate and the base. Due to the use of electromagnetic force clamping, the pressing plate can be made according to various workpiece requirements, and workpieces with side walls can be processed. The bending machine can meet the needs of various workpieces by replacing the bending machine die.

[0003] When the existing numerical control bending machine is bending, it is necessary for personnel to hold the steel plate by hand. Otherwise, after bending is completed, the steel plate is likely to fall off due to bending deformation, causing injury to personnel, and the outer arc and outer fillet of the bent processed product are not flat. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a numerical control bending device to solve the technical problem that the outer arc and outer fillet of the bent processed product are not flat.

[0005] The purpose of the utility model can be achieved by the following technical solutions:

[0006] A numerical control bending device includes a main body frame. An outer frame shell is arranged on the outer periphery of the main body frame. A control box is fixedly arranged at the front end of the main body frame, and a control panel is arranged on the control box. At the upper end of the main body frame, a material pressing mechanism, a driving roller mechanism, and a swing bending mechanism are arranged side by side in sequence. At least two groups of driving roller mechanisms are arranged. A swing motor and a driving motor are fixedly installed inside the main body frame. The output end of the swing motor is fixedly connected with a swing gear, and the swing gear is in transmission connection with the swing bending mechanism. A protective cover is fixedly installed at the upper end of the main body frame, and the protective cover covers the outside of the swing gear. The output end of the driving motor is in driving connection with the driving roller mechanism.

[0007] Preferably, the material pressing mechanism includes a fixed support and a cylinder seat fixedly installed at the upper end of the main body frame. A fixed pressing plate is fixedly installed on one side of the fixed support close to the cylinder seat. A material pressing cylinder is fixedly installed on the cylinder seat, and the output end of the material pressing cylinder is fixedly connected with a movable pressing plate.

[0008] Preferably, the driving roller mechanism includes a driving bearing seat and a pressure roller support fixedly mounted on the upper end of the main frame, a driving shaft is rotatably mounted on the driving bearing seat through a bearing, and a driving roller is fixedly mounted on the driving shaft; a pressure roller cylinder is fixedly mounted on the pressure roller support, an output end of the pressure roller cylinder is fixedly connected to a pressure roller support, and a driven roller is rotatably mounted on the pressure roller support.

[0009] Preferably, a driving gear is fixedly mounted on the output shaft of the driving motor, and a transmission gear meshingly connected to the driving gear is fixedly mounted on the driving shaft.

[0010] Preferably, the swing bending mechanism includes a swing bearing seat fixedly mounted on the main frame, a connecting shaft is rotatably mounted on the swing bearing seat through a bearing, a swing angle gear is fixedly mounted on the connecting shaft and is meshingly connected to the swing gear, and a bending assembly is fixedly connected to the upper end of the swing bearing seat.

[0011] Preferably, the bending assembly includes a swing bracket fixedly mounted on a swing bearing seat, a center mold roller is rotatably mounted on the swing bracket, a slave cylinder is fixedly mounted on the swing bracket, a movable frame is fixedly connected to the output end of the slave cylinder, the movable frame is slidably connected to the swing bracket, and a slave mold roller matching the center mold roller is rotatably mounted on the movable frame.

[0012] Preferably, the upper end of the swing bracket is fixedly connected to a positioning support, a positioning cylinder pointing vertically downward is fixedly mounted on the positioning support, and a positioning pressure plate is fixedly connected to the output end of the positioning cylinder.

[0013] Beneficial effects of the utility model:

[0014] (1) The swing bending mechanism achieves complete fit when bending arcs and corners, solving the problem of uneven outer arcs and rounded corners of the product. A positioning cylinder is provided directly above the upper positioning support; a positioning pressure plate is provided at the output end of the positioning cylinder and points vertically downward; one side of the positioning pressure plate fits with the right side of the upper swing arm fixing plate to achieve precise positioning.

[0015] (2) The swing motor drives the swing gear to rotate, and the swing gear drives the swing angle gear to rotate through gear meshing transmission. The swing angle gear rotates and drives the bending assembly to rotate, thereby adjusting the bending angle of the workpiece and realizing bending processing of the workpiece at different angles.

[0016] (3) The positioning cylinder drives the positioning plate to move up and down, and the positioning plate is used to press the workpiece, thereby ensuring that the workpiece can be accurately positioned and improving the bending processing accuracy of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] Figure 1 is a three-dimensional structural schematic diagram of the whole of the present utility model;

[0019] Figure 2 is a three-dimensional structural schematic diagram of the whole of the present utility model after removing the frame shell;

[0020] Figure 3 is the present utility model Figure 2 axonometric structural schematic diagram;

[0021] Figure 4 is the present utility model Figure 2 front view structural schematic diagram;

[0022] Figure 5 is a three-dimensional structural schematic diagram of the swing bending mechanism of the present utility model;

[0023] Figure 6 is an axonometric structural schematic diagram of the swing bending mechanism of the present utility model;

[0024] Figure 7 is a front view structural schematic diagram of the swing bending mechanism of the present utility model.

[0025] In the figure: 1, main body frame; 2, control box; 3, control panel; 4, protective cover; 5, material pressing mechanism; 51, fixed support; 52, fixed pressing plate; 53, cylinder seat; 54, material pressing cylinder; 55, movable pressing plate; 6, driving roller mechanism; 61, driving bearing seat; 62, driving shaft; 63, driving roller; 64, pressing roller support; 65, pressing roller cylinder; 66, pressing roller bracket; 67, driven roller; 7, swing bending mechanism; 71, swing bearing seat; 72, connecting shaft; 73, swing angle gear; 74, swing bracket; 75, center die roller; 76, driven cylinder; 77, movable frame; 78, driven die roller; 79, positioning support; 710, positioning cylinder; 711, positioning pressing plate; 8, workpiece; 9, swing motor; 10, swing gear; 11, driving motor; 12, driving gear; 13, transmission gear. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0027] Please refer to Figures 1-7As shown, the utility model is a CNC bending equipment, including a main frame 1, a frame shell is arranged on the periphery of the main frame 1, a control box 2 is fixedly arranged at the front end of the main frame 1, and a control panel 3 is arranged on the control box 2; a pressing mechanism 5, a driving roller mechanism 6 and a swing bending mechanism 7 are arranged side by side at the upper end of the main frame 1; at least two groups of the driving roller mechanism 6 are arranged; a swing motor 9 and a driving motor 11 are fixedly installed inside the main frame 1, and a swing gear 10 is fixedly connected to the output end of the swing motor 9, and the swing gear 10 is drivingly connected to the swing bending mechanism 7; a protective cover 4 is fixedly installed on the upper end of the main frame 1, and the protective cover 4 covers the outside of the swing gear 10; the output end of the driving motor 11 is drivingly connected to the driving roller mechanism 6.

[0028] In an optional embodiment, the pressing mechanism 5 includes a fixed support 51 and a cylinder seat 53 fixedly mounted on the upper end of the main frame 1, a fixed pressure plate 52 is fixedly mounted on one side of the fixed support 51 close to the cylinder seat 53, a pressing cylinder 54 is fixedly mounted on the cylinder seat 53, and a movable pressure plate 55 is fixedly connected to the output end of the pressing cylinder 54.

[0029] It should be noted that the workpiece 8 enters the driving roller mechanism 6 from the end of the pressing mechanism 5, and is then bent and discharged through the swing bending mechanism 7. When feeding, a groove matching the workpiece 8 is provided on the fixed pressing plate 52, and the pressing cylinder 54 drives the movable pressing plate 55 to move toward the workpiece 8, so as to press the workpiece 8 against the fixed pressing plate 52, thereby achieving pressing before the rounded corners are bent.

[0030] In an optional embodiment, the driving roller mechanism 6 includes a driving bearing seat 61 and a pressure roller support 64 fixedly mounted on the upper end of the main frame 1, wherein a driving shaft 62 is rotatably mounted on the driving bearing seat 61 through a bearing, and a driving roller 63 is fixedly mounted on the driving shaft 62; a pressure roller cylinder 65 is fixedly mounted on the pressure roller support 64, and a pressure roller bracket 66 is fixedly connected to the output end of the pressure roller cylinder 65, and a driven roller 67 is rotatably mounted on the pressure roller bracket 66.

[0031] It should be noted that the active roller 63 rotates under the drive of the driving motor 11 to realize the feeding of the workpiece 8, and the driven roller 67 can move horizontally under the action of the pressure roller cylinder 65 to adjust the relative distance between it and the active roller 63, thereby realizing the transportation and pressing of workpieces 8 of different specifications.

[0032] In an optional embodiment, a driving gear 12 is fixedly mounted on the output shaft of the driving motor 11 , and a transmission gear 13 meshingly connected to the driving gear 12 is fixedly mounted on the driving shaft 62 .

[0033] It should be noted that at least two groups of drive roller mechanisms 6 are provided to ensure the stability of the conveying of the workpiece 8, and the other two groups of drive roller mechanisms 6 can play a stable limiting role in the bending of the workpiece 8, average the reaction force generated when the workpiece 8 is bent, and ensure the stability of the bending. Through the cooperation of the drive gear 12 and the transmission gear 13, a group of drive motors 11 can realize the synchronous driving of the two groups of drive roller mechanisms 6, which effectively reduces the energy-consuming components of the equipment, reduces the production cost of the equipment and the energy consumption cost of use.

[0034] In an optional embodiment, the swing bending mechanism 7 includes a swing bearing seat 71 fixedly mounted on the main frame 1, a connecting shaft 72 is rotatably mounted on the swing bearing seat 71 through a bearing, a swing angle gear 73 is fixedly mounted on the connecting shaft 72 and is meshingly connected to the swing gear 10, and a bending assembly is fixedly connected to the upper end of the swing bearing seat 71.

[0035] It should be noted that the swing motor 9 drives the swing gear 10 to rotate, and the swing gear 10 drives the swing angle gear 73 to rotate through gear meshing transmission. The swing angle gear 73 rotates and drives the bending assembly to rotate at the same time, thereby realizing the bending angle adjustment of the workpiece 8, and can realize bending processing of the workpiece at different angles.

[0036] In an optional embodiment, the bending assembly includes a swing bracket 74 fixedly mounted on a swing bearing seat 71, a center mold roller 75 is rotatably mounted on the swing bracket 74, a slave cylinder 76 is fixedly mounted on the swing bracket 74, a movable frame 77 is fixedly connected to the output end of the slave cylinder 76, the movable frame 77 is slidably connected to the swing bracket 74, and a slave mold roller 78 that cooperates with the center mold roller 75 is rotatably mounted on the movable frame 77.

[0037] It should be noted that the rotation of the swing angle gear 73 drives the swing bracket 74 to rotate, and the swing bracket 74 rotates to adjust the relative angular position of the center mold roller 75 and the driven mold roller 78. At the same time, the driven cylinder 76 drives the driven mold roller 78 to move horizontally, adjusts the relative position with the center mold roller 75, and realizes the bending processing of workpieces of different specifications.

[0038] In an optional embodiment, the upper end of the swing bracket 74 is fixedly connected to a positioning support 79 , a vertically downward positioning cylinder 710 is fixedly mounted on the positioning support 79 , and a positioning pressure plate 711 is fixedly connected to the output end of the positioning cylinder 710 .

[0039] It should be noted that the positioning cylinder 710 drives the positioning platen 711 to move up and down, and the positioning platen 711 is used to press the workpiece 8, thereby ensuring that the workpiece 8 can be accurately positioned and improving the bending processing accuracy of the workpiece 8.

[0040] Working principle of the present utility model: The workpiece 8 enters the bending device from one end of the blank holding mechanism 5. According to the specifications of the workpiece 8, the blank holding cylinder 54 drives the movable pressing plate 55 to move towards the workpiece 8, so as to press the workpiece 8 against the fixed pressing plate 52, realizing the blank holding before the bending fillet. The driving roller 63 rotates under the drive of the driving motor 11 to realize the feeding of the workpiece 8. The driven roller 67 can move horizontally under the action of the pressing roller cylinder 65 to realize the adjustment of the relative distance between the driven roller and the driving roller 63, so as to realize the conveying and blank holding of workpieces 8 with different specifications. The swing motor 9 drives the swing gear 10 to rotate. The swing gear 10 drives the swing angle gear 73 to rotate through gear meshing transmission. While the swing angle gear 73 rotates, it drives the bending assembly to rotate, so as to realize the adjustment of the bending angle of the workpiece 8, and can realize the bending processing of the workpiece at different angles.

[0041] The above has described an embodiment of the present utility model in detail, but the described content is only the preferred embodiment of the present utility model and cannot be considered as used to limit the scope of implementation of the present utility model. All equal changes and improvements made according to the scope of the application of the present utility model shall still fall within the scope covered by the patent of the present utility model.

Claims

1. A CNC bending device, comprising a main frame (1), wherein a frame shell is arranged on the periphery of the main frame (1), a control box (2) is fixedly arranged at the front end of the main frame (1), and a control panel (3) is arranged on the control box (2); characterized in that: The upper end of the main frame (1) is provided with a material pressing mechanism (5), a driving roller mechanism (6) and a swing bending mechanism (7) in parallel and in sequence; the driving roller mechanism (6) is provided with at least two groups; a swing motor (9) and a driving motor (11) are fixedly installed inside the main frame (1); the output end of the swing motor (9) is fixedly connected to a swing gear (10); the swing gear (10) is drivingly connected to the swing bending mechanism (7); a protective cover (4) is fixedly installed on the upper end of the main frame (1); the protective cover (4) covers the outside of the swing gear (10); the output end of the driving motor (11) is drivingly connected to the driving roller mechanism (6).

2. A CNC bending device according to claim 1, characterized in that: The material pressing mechanism (5) comprises a fixed support (51) and a cylinder seat (53) fixedly mounted on the upper end of the main frame (1); a fixed pressing plate (52) is fixedly mounted on one side of the fixed support (51) close to the cylinder seat (53); a material pressing cylinder (54) is fixedly mounted on the cylinder seat (53); and a movable pressing plate (55) is fixedly connected to the output end of the material pressing cylinder (54).

3. The CNC bending equipment according to claim 1, characterized in that: The driving roller mechanism (6) comprises a driving bearing seat (61) and a pressure roller support seat (64) fixedly mounted on the upper end of the main frame (1); a driving shaft (62) is rotatably mounted on the driving bearing seat (61) via a bearing, and a driving roller (63) is fixedly mounted on the driving shaft (62); a pressure roller cylinder (65) is fixedly mounted on the pressure roller support seat (64); an output end of the pressure roller cylinder (65) is fixedly connected to a pressure roller support seat (66), and a driven roller (67) is rotatably mounted on the pressure roller support seat (66).

4. A CNC bending device according to claim 3, characterized in that: A driving gear (12) is fixedly mounted on the output shaft of the driving motor (11), and a transmission gear (13) meshingly connected to the driving gear (12) is fixedly mounted on the driving shaft (62).

5. The CNC bending equipment according to claim 1, characterized in that: The swing bending mechanism (7) comprises a swing bearing seat (71) fixedly mounted on the main frame (1); a connecting shaft (72) is rotatably mounted on the swing bearing seat (71) via a bearing; a swing angle gear (73) meshingly connected to a swing gear (10) is fixedly mounted on the connecting shaft (72); and a bending assembly is fixedly connected to the upper end of the swing bearing seat (71).

6. The CNC bending equipment according to claim 5, characterized in that: The bending assembly comprises a swing bracket (74) fixedly mounted on a swing bearing seat (71), a center mold roller (75) being rotatably mounted on the swing bracket (74), a slave cylinder (76) being fixedly mounted on the swing bracket (74), an output end of the slave cylinder (76) being fixedly connected to a movable frame (77), the movable frame (77) being slidably connected to the swing bracket (74), and a slave mold roller (78) cooperating with the center mold roller (75) being rotatably mounted on the movable frame (77).

7. The CNC bending equipment according to claim 6, characterized in that: The upper end of the swing bracket (74) is fixedly connected to a positioning support (79), a positioning cylinder (710) vertically downward is fixedly mounted on the positioning support (79), and a positioning pressure plate (711) is fixedly connected to the output end of the positioning cylinder (710).

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