Numerical control machining bending machine

Abstract

The utility model discloses a numerical control machining bending machine which comprises a numerical control bending machine body, an operation panel, a heat dissipation window, a lifting bending machine head, an adjusting type material supporting device and an auxiliary feeding device. Heat dissipation windows which are symmetrically distributed are formed in the tops of the left end and the right end of the numerical control bending machine body, a lifting bending machine head is installed on the top of the front end of the numerical control bending machine body, an adjusting type material supporting device is installed below the lifting bending machine head, and auxiliary feeding devices are installed on the left side and the right side of the adjusting type material supporting device. According to the bending machine, accurate adjustment can be carried out through the adjusting type material supporting device according to different specifications of materials so as to assist in bending operation, the bending machine is matched with a rubber pad at the top to protect the surfaces of the materials, and then the bending machine is matched with an auxiliary feeding device to carry out auxiliary feeding, so that the labor intensity of operators is effectively reduced, and the feeding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a bending machine, in particular to a numerical control bending machine. Background Art

[0002] CNC bending machines are often used in the processing of metal sheets. When bending the sheets, the sheets are generally placed on the lower die of the CNC bending machine and then the upper die is driven downward by the hydraulic cylinder to bend the sheets into the required angle. The loading and unloading of the CNC bending machines currently used are very laborious and inefficient because of the heavy metal material. At the same time, the adjustment of the support rack is also cumbersome. Therefore, a new type of CNC processing bending machine with a support rack that can assist in loading and is simple and flexible to use is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a CNC bending machine to solve the above technical problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A CNC bending machine comprises a CNC bending machine body, an operation panel, a heat dissipation window, a lifting bending machine head, an adjustable material supporting device, and an auxiliary feeding device. A three-axis hinged adjustable operation panel is installed at the right end of the CNC bending machine body and is connected by electric wires. Symmetrically distributed heat dissipation windows are opened on the top of the left and right ends of the CNC bending machine body. A lifting bending machine head is installed on the top of the front end of the CNC bending machine body. An adjustable material supporting device is installed below the lifting bending machine head. Auxiliary feeding devices are installed on the left and right sides of the adjustable material supporting device.

[0006] On the basis of the above technical scheme, the adjustable supporting device includes a bidirectional screw, a first servo motor, a guide rod, a first movable nut, a connecting block, a supporting frame, an embedding groove, and a rubber pad. The middle part of the left end of the bidirectional screw is connected to the first servo motor and is hingedly fixed to the inner side of the CNC bending machine body through a bearing. A guide rod is installed in the middle part of the rear end of the bidirectional screw. A first movable nut with a threaded connection is installed on the circumferential surface of the bidirectional screw. The first movable nut and the circumferential surface of the guide rod are installed with a connecting block. A fixed supporting frame is installed on the front end of the connecting block. The top of the supporting frame is provided with an embedding groove and a rubber pad fixed by bonding is installed on the inside.

[0007] On the basis of the above technical scheme, the auxiliary feeding device includes a screw mounting frame, a guide rail bracket, a screw mounting groove, a one-way screw, a gear, a synchronous belt, a second servo motor, a second movable nut, a damping guide connecting block, a limit block, a movable platform, an electromagnetic suction cup, a telescopic rod, and a guide rail. The top of the screw mounting frame is equipped with a symmetrically distributed guide rail bracket and fixed by welding. A screw mounting groove is opened in the middle of the front end of the screw mounting frame and two groups of hingedly connected one-way screws are installed on the inside. A key-connected gear is installed at the bottom end of the one-way screw. The gear is meshed and connected through a synchronous belt. The bottom of the gear A second servo motor with a key connection is installed, and a second movable nut with a threaded connection is installed on the circumferential surface of the one-way lead screw, and a damping guide connecting block fixed with nested bolts is installed on the circumferential surface of the second movable nut, a limit block with a threaded connection is installed at the front end of the damping guide connecting block, and a movable platform with a nested sliding connection is installed on the circumferential surface, an electromagnetic suction cup is installed in the middle of the top of the movable platform, symmetrically distributed telescopic rods are installed on both sides of the electromagnetic suction cup, a cylindrical limit sliding block is installed on the top of the telescopic rod and is located on the inner side of the guide rail, and the guide rail is fixed to the bottom end of the guide rail bracket by bolts.

[0008] Compared with the prior art, the utility model has the following advantages: the adjustable supporting device of the CNC bending machine of the utility model adopts a double-wire screw rod and a servo motor as an adjusting mechanism to achieve fast and accurate position adjustment so as to better support the metal plate that needs to be bent, and then cooperates with the auxiliary feeding device to electromagnetically adsorb and lift the metal plate for feeding. The effective operation is simple and convenient, which effectively improves the feeding efficiency and further reduces the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the appearance structure of the utility model.

[0010] Figure 2 It is a schematic diagram of the structure of the adjustable material supporting device of the utility model.

[0011] Figure 3 It is a structural schematic diagram of the auxiliary feeding device of the utility model.

[0012] Figure 4 It is a schematic diagram of the local structure of the auxiliary feeding device of the utility model.

[0013] In the figure: 1. CNC bending machine body, 2. operation panel, 3. heat dissipation window, 4. lifting bending machine head, 5. adjustable supporting device, 6. auxiliary feeding device, 7. bidirectional screw, 8. first servo motor, 9. guide rod, 10. first moving nut, 11. connecting block, 12. supporting frame, 13. embedding groove, 14. rubber pad, 15. screw mounting frame, 16. guide rail bracket, 17. screw mounting groove, 18. one-way screw, 19. gear, 20. synchronous belt, 21. second servo motor, 22. second moving nut, 23. damping guide connecting block, 24. limit block, 25. movable platform, 26. electromagnetic suction cup, 27. telescopic rod, 28. guide rail. DETAILED DESCRIPTION

[0014] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0015] like Figure 1-3 As shown, a CNC bending machine comprises a CNC bending machine body 1, an operation panel 2, a heat dissipation window 3, a lifting bending machine head 4, an adjustable supporting device 5, and an auxiliary feeding device 6. The right end of the CNC bending machine body 1 is equipped with a three-axis hinged adjustable operation panel 2 and is connected by electric wires. The top of the left and right ends of the CNC bending machine body 1 are provided with symmetrically distributed heat dissipation windows 3. The top of the front end of the CNC bending machine body 1 is equipped with a lifting bending machine head 4, and an adjustable supporting device 5 is installed below the lifting bending machine head 4. Auxiliary feeding devices 6 are installed on the left and right sides of the adjustable supporting device 5.

[0016] The adjustable supporting device 5 includes a bidirectional screw 7, a first servo motor 8, a guide rod 9, a first movable nut 10, a connecting block 11, a supporting frame 12, an embedding groove 13, and a rubber pad 14. The middle part of the left end of the bidirectional screw 7 is connected to the first servo motor 8 and is fixed to the inner side of the CNC bending machine body 1 through a bearing hinge. The middle part of the rear end of the bidirectional screw 7 is installed with a guide rod 9. The circumferential surface of the bidirectional screw 7 is installed with a threaded first movable nut 10. The circumferential surfaces of the first movable nut 10 and the guide rod 9 are installed with connecting blocks 11. The front end of the connecting block 11 is installed with a fixedly connected supporting frame 12. The top of the supporting frame 12 is provided with an embedding groove 13 and the inner side is installed with a rubber pad 14 fixed by bonding.

[0017] The auxiliary feeding device 6 includes a screw mounting frame 15, a guide rail bracket 16, a screw mounting groove 17, a one-way screw 18, a gear 19, a synchronous belt 20, a second servo motor 21, a second movable nut 22, a damping guide connecting block 23, a limit block 24, a movable platform 25, an electromagnetic suction cup 26, a telescopic rod 27, and a guide rail 28. The top of the screw mounting frame 15 is equipped with a symmetrically distributed guide rail bracket 16 and fixed by welding. The middle part of the front end of the screw mounting frame 15 is provided with a screw mounting groove 17 and two groups of hinged one-way screws 18 are installed on the inner side. The bottom end of the one-way screw 18 is equipped with a key-connected gear 19, and the gear 19 is meshed and connected through a synchronous belt 20. The gear 1 A second servo motor 21 with a key connection is installed at the bottom 9, a second movable nut 22 with a threaded connection is installed on the circumferential surface of the one-way lead screw 18, a damping guide connecting block 23 fixed with nested bolts is installed on the circumferential surface of the second movable nut 22, a limit block 24 with a threaded connection is installed at the front end of the damping guide connecting block 23, and a movable platform 25 with a nested sliding connection is installed on the circumferential surface, an electromagnetic suction cup 26 is installed in the middle of the top of the movable platform 25, symmetrically distributed telescopic rods 27 are installed on both sides of the electromagnetic suction cup 26, a limit slider with a cylindrical structure is installed on the top of the telescopic rod 27 and is located on the inner side of the guide rail 28, and the guide rail 28 is fixed to the bottom end of the guide rail bracket 16 by bolts.

[0018] The working principle of the utility model is as follows: first, the metal plate to be processed is sucked and grasped by an electromagnetic suction cup, and then the gear is driven by the second servo motor to cooperate with the synchronous belt to drive the two sets of one-way screws to rotate, and then the one-way screw cooperates with the second moving nut and the damping guide connecting block to lift the movable platform during the rotation, and then the worker manually pushes the movable platform to move horizontally to realize the movement of the metal plate toward the CNC bending machine body and then cooperates with the lifting bending machine head to perform the bending operation. At the same time, the movable platform cooperates with the telescopic rod and the guide rail to improve the movement stability of the movable platform, and then during the movement of the metal plate, the metal plate is assisted by the adjustable supporting device to prevent the metal plate from falling, and then the bidirectional screw is driven to rotate by the first servo motor, and then the bidirectional screw cooperates with the first moving nut to adjust the support frame during the rotation to perform accurate and rapid position adjustment so as to adjust according to the specifications of different metal plates, and the rubber pad on the top of the support frame can protect the surface of the metal plate to avoid scratches.

[0019] The above is a preferred embodiment of the present invention. For ordinary technicians in this field, according to the teachings of the present invention, without departing from the principles and spirit of the present invention, changes, modifications, substitutions and variations made to the implementation methods are still within the scope of protection of the present invention.

Claims

1. A CNC bending machine, comprising a CNC bending machine body (1), an operation panel (2), a heat dissipation window (3), a lifting bending machine head (4), an adjustable material supporting device (5), and an auxiliary material feeding device (6), characterized in that: A three-axis hinged adjustable operating panel (2) is installed at the right end of the CNC bending machine body (1) and is connected via electric wires; symmetrically distributed heat dissipation windows (3) are opened at the top of the left and right ends of the CNC bending machine body (1); a lifting bending machine head (4) is installed at the top of the front end of the CNC bending machine body (1); an adjustable material supporting device (5) is installed below the lifting bending machine head (4); and auxiliary material feeding devices (6) are installed on the left and right sides of the adjustable material supporting device (5).

2. A CNC bending machine according to claim 1, characterized in that: The adjustable support device (5) comprises a bidirectional screw (7), a first servo motor (8), a guide rod (9), a first movable nut (10), a connecting block (11), a support frame (12), an embedding groove (13), and a rubber pad (14). The middle of the left end of the bidirectional screw (7) is connected to the first servo motor (8) and is hingedly fixed to the inner side of the CNC bending machine body (1) through a bearing. The middle of the rear end of the bidirectional screw (7) is installed with a guide rod (9). The circumferential surface of the bidirectional screw (7) is installed with a first movable nut (10) connected in threaded connection. The circumferential surfaces of the first movable nut (10) and the guide rod (9) are installed with a connecting block (11). The front end of the connecting block (11) is installed with a fixed support frame (12). The top of the support frame (12) is provided with an embedding groove (13) and the inner side is installed with a rubber pad (14) fixed by bonding.

3. A CNC bending machine according to claim 1, characterized in that: The auxiliary feeding device (6) comprises a screw mounting frame (15), a guide rail bracket (16), a screw mounting groove (17), a one-way screw (18), a gear (19), a synchronous belt (20), a second servo motor (21), a second movable nut (22), a damping guide connecting block (23), a limit block (24), a movable platform (25), an electromagnetic suction cup (26), a telescopic rod (27), and a guide rail (28). The top of the screw mounting frame (15) is provided with a symmetrically distributed guide rail bracket (16) and is fixed by welding. The middle part of the front end of the screw mounting frame (15) is provided with a screw mounting groove (17) and two groups of hingedly connected one-way screws (18) are installed inside. The bottom end of the one-way screw (18) is provided with a key-connected gear (19). The gear (19) is meshed and connected through a synchronous belt (20). A second servo motor (21) connected by a key is installed at the bottom of the gear (19), a second movable nut (22) connected by a thread is installed on the circumferential surface of the one-way screw rod (18), a damping guide connecting block (23) fixed by nested bolts is installed on the circumferential surface of the second movable nut (22), a limit block (24) connected by a thread is installed at the front end of the damping guide connecting block (23), and a movable platform (25) connected by a nested sliding connection is installed on the circumferential surface, an electromagnetic suction cup (26) is installed in the middle of the top of the movable platform (25), symmetrically distributed telescopic rods (27) are installed on both sides of the electromagnetic suction cup (26), a cylindrical limit slider is installed on the top of the telescopic rod (27) and is located on the inner side of the guide rail (28), and the guide rail (28) is fixed to the bottom end of the guide rail bracket (16) by bolts.

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