Bending center having novel transmission mechanism

Abstract

A bending center having a novel transmission mechanism. A first bending driving device (70) is provided on a frame (10) and drives a bending frame (50) to move back and forth. The first bending driving device comprises a first driving assembly (71), a first eccentric shaft (72), and a first transmission rod assembly (73), the first bending driving device being provided on the machine frame in cooperation with the second bending driving device (80), and the second bending driving device (80) cooperating with the first bending driving device to drive the bending frame to complete a bending action. The second bending driving device comprises a second driving assembly (81), a second eccentric shaft (82) and a second transmission rod assembly (83). The bending center uses the transmission mode of the eccentric shafts to complete bending in two directions of the bending frame; and compared with traditional lead screw transmission modes, the bending center achieves a higher response speed and a higher bending precision, and can also provide more angles of action for the bending frame. In addition, by means of the cooperation of the first eccentric shaft and the second eccentric shaft, the bending center can complete bending processes to more different angles, thereby satisfying more machining requirements.

Description

Bending center with new transmission mechanism TECHNICAL FIELD

[0001] The present application relates to the field of bending machine technology, in particular to a bending center with a new transmission mechanism. BACKGROUND

[0002] The bending machine is a machine capable of bending sheet, its structure mainly includes support, workbench and clamping plate, the workbench is placed on the support, the workbench is composed of base and pressing plate, the base is connected with the clamping plate through the hinge, the base is composed of seat shell, coil and cover plate, the coil is placed in the recess of the seat shell, the recess top is covered with the cover plate. When using, the coil is energized by the wire, and the attractive force is generated to the pressing plate after energization, so as to realize the clamping of the sheet between the pressing plate and the base. Because the electromagnetic force clamping is adopted, the pressing plate can be made into various workpiece requirements, and the workpiece with side wall can be processed, and the operation is also very simple, and the bending center is also one of the bending machines.

[0003] In order to complete the bending process in the up and down directions, the existing bending center generally adopts the transmission mode of the lead screw first, completes the movement in the front and back directions, and then completes the bending process in the up and down directions through the transmission mode of the lead screw. The transmission mode of the lead screw not only has a relatively slow speed, but also cannot guarantee the bending precision when the lead screw transmission mode is used for bending, and the bending angle is also relatively fixed, so that the bending process in the up and down directions can only be carried out, and more processing requirements cannot be met. Therefore, it is necessary to further improve the structure of the existing bending center.

[0004] SUMMARY

[0005] Therefore, the present application aims at the defects of the prior art, and mainly aims at providing a bending center with a new transmission mechanism, which can effectively solve the problems of slow response speed, insufficient bending precision, fixed bending angle and inability to meet more processing requirements of the existing bending center.

[0006] In order to achieve the above-mentioned purpose, the technical scheme is adopted as follows:

[0007] The bending center with novel transmission mechanism comprises a frame, a tool holder, a tool head, a tool driving device, a bending holder, a bending head, a first bending driving device and a second bending driving device; the frame is provided with a support table extending horizontally; the tool holder is movably arranged on the frame above the support table; the tool head is arranged on the tool holder and moves up and down with the tool holder, and is located directly above the support table; the tool driving device is arranged on the tool holder and drives the tool holder to move up and down; the bending holder is movably arranged on the frame beside the support table and has a C-shaped structure; the bending head is provided with two symmetrically arranged bending heads above and below the bending holder and moves up and down with the bending holder; the first bending driving device is arranged on the frame and drives the bending holder to move back and forth, and comprises a first driving assembly, a first eccentric shaft and a first transmission rod assembly; the first driving assembly is arranged on the frame; the first eccentric shaft is arranged at the output end of the first driving assembly and rotates back and forth driven by the first driving assembly; one end of the first transmission rod assembly is hinged to the first eccentric shaft, and the other end of the first transmission rod assembly is hinged to the bending holder; the second bending driving device is arranged on the frame and cooperates with the first bending driving device to drive the bending holder to complete the bending action, and comprises a second driving assembly, a second eccentric shaft and a second transmission rod assembly; the second driving assembly is arranged on the frame; the second eccentric shaft is arranged at the output end of the second driving assembly and rotates back and forth driven by the second driving assembly; one end of the second transmission rod assembly is hinged to the second eccentric shaft and moves back and forth with the second eccentric shaft, and the other end of the second transmission rod assembly is hinged to the bending holder.

[0008] As a preferred scheme, the tool driving device comprises a third driving assembly, a third eccentric shaft and a third transmission rod assembly; the third driving assembly is arranged on the tool holder; the third eccentric shaft is connected with the output end of the third driving assembly and rotates back and forth driven by the third driving assembly; the upper end of the third transmission rod assembly is hinged to the third eccentric shaft and moves back and forth driven by the third eccentric shaft, and the lower end of the third transmission rod assembly is hinged to the frame.

[0009] As a preferred scheme, the bending holder is provided with a through hole for the third transmission rod assembly to pass through, and the lower end of the third transmission rod assembly extends downward through the through hole and is hinged to the frame.

[0010] As a preferred scheme, the tool driving device is provided with two horizontally spaced tools, and the two tool driving devices drive the tool holder to move up and down simultaneously.

[0011] As a preferred scheme, the lower end of the bending holder is connected with the frame through a hydraulic telescopic rod assembly, and the hydraulic telescopic rod assembly is horizontally symmetrically arranged.

[0012] As a preferred solution, the first driving assembly comprises a first servo motor and a first speed reducer, the input end of the first speed reducer is connected with the output end of the first servo motor, and the first eccentric shaft is connected with the output end of the first speed reducer and is driven by the first speed reducer to rotate back and forth.

[0013] As a preferred solution, the first driving assembly comprises a first servo motor and a first speed reducer, the input end of the first speed reducer is connected with the output end of the first servo motor, and the first eccentric shaft is connected with the output end of the first speed reducer and is driven by the first speed reducer to rotate back and forth.

[0014] As a preferred solution, the second driving assembly comprises a second servo motor and a second speed reducer, the input end of the second speed reducer is connected with the output end of the second servo motor, and the second eccentric shaft is connected with the output end of the second speed reducer and is driven by the second speed reducer to move back and forth.

[0015] As a preferred solution, the second driving assembly is horizontally symmetrically arranged in two, the output ends of the two second driving assemblies are respectively connected with the two ends of the second eccentric shaft, and correspondingly, the second transmission rod assemblies are also horizontally spaced apart in two, one end of the two second transmission rod assemblies is respectively connected with the second eccentric shaft, and the other end of the two second transmission rod assemblies is respectively hinged with the bending frame.

[0016] The present application has obvious advantages and beneficial effects compared with the prior art, specifically, from the above technical solution, it can be known that:

[0017] The first bending driving device is arranged on the rack and drives the bending frame to move back and forth, the first bending driving device comprises a first driving assembly, a first eccentric shaft and a first transmission rod assembly, and the second bending driving device is arranged on the rack and cooperates with the first bending driving device to drive the bending frame to complete the bending action, the second bending driving device comprises a second driving assembly, a second eccentric shaft and a second transmission rod assembly; the bending process of the bending frame in two directions is completed through the transmission mode of the eccentric shaft, compared with the traditional screw transmission mode, the response speed is faster, the bending precision is higher, and the transmission mode of the eccentric shaft has more activity angles of the bending frame, and the cooperation of the first eccentric shaft and the second eccentric shaft can complete more bending processes of different angles, thereby meeting more processing requirements.

[0018] In order to more clearly set forth the structural features and effects of the present application, the present application will be described in detail below in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 is a perspective structural schematic view of the preferred embodiment of the present application;

[0020] Fig. 2 is a partially assembled view of the preferred embodiment of the present application;

[0021] Fig. 3 is another partially assembled view of the preferred embodiment of the present application;

[0022] Fig. 4 is yet another partially assembled view of the preferred embodiment of the present application.

[0023] Brief Description of the Drawings:

[0024] 10. frame 11. support table

[0025] 20. tool holder 30. tool head

[0026] 40. tool driving device 41. third driving assembly

[0027] 42. third eccentric shaft 43. third transmission rod assembly

[0028] 50. bending frame 501. through hole

[0029] 51. hydraulic telescopic rod assembly 60. bending tool head

[0030] 70. first bending driving device 71. first driving assembly

[0031] 711. first servo motor 712. first speed reducer

[0032] 72. first eccentric shaft 73. first transmission rod assembly

[0033] 731. first connecting rod 732. second connecting rod

[0034] 733. connecting shaft 734. hinged member

[0035] 80. second bending driving device 81. second driving assembly

[0036] 811. second servo motor 812. second speed reducer

[0037] 82. second eccentric shaft 83. second transmission rod assembly DETAILED DESCRIPTION

[0038] Please refer to the specific structure of the preferred embodiment of the present application shown in Figures 1 to 4, which includes a rack 10, a tool holder 20, a tool head 30, a tool driving device 40, a bending rack 50, a bending tool head 60, a first bending driving device 70 and a second bending driving device 80.

[0039] The rack 10 has a support table 11 extending transversely.

[0040] The tool holder 20 is movably arranged on the rack 10 above the support table 11.

[0041] The tool head 30 is arranged on the tool holder 20 and moves up and down with the tool holder 20, and the tool head 30 is located directly above the support table 11. The tool head 30 is used to press the product to be processed by cooperating with the support table 11.

[0042] The tool driving device 40 is arranged on the tool holder 20 and drives the tool holder 20 to move up and down. In this embodiment, the tool driving device 40 includes a third driving assembly 41, a third eccentric shaft 42 and a third transmission rod assembly 43. The third driving assembly 41 is arranged on the tool holder 20. The third eccentric shaft 42 is connected with the output end of the third driving assembly 41 and is driven by the third driving assembly 41 to rotate back and forth. The upper end of the third transmission rod assembly 43 is hinged to the third eccentric shaft 42 and is driven by the third eccentric shaft 42 to move back and forth. The lower end of the third transmission rod assembly 43 is hinged to the rack 10. The tool driving device 40 is arranged transversely and symmetrically. Two tool driving devices 40 drive the tool holder 20 to move up and down simultaneously. The two tool driving devices 40 are used to ensure the stability of the tool holder 20 during the up and down movement and prevent the tool holder 20 from tilting left and right.

[0043] The bending rack 50 is movably arranged on the rack 10 beside the support table 11 and has a C-shaped structure. In this embodiment, the bending rack 50 has a through hole 501 for the third transmission rod assembly 43 to pass through. The lower end of the third transmission rod assembly 43 extends downward through the through hole 501 of the bending rack 50 and is hinged to the rack 10. The lower end of the bending rack 50 is connected with the rack 10 through a hydraulic telescopic rod assembly 51. The hydraulic telescopic rod assembly 51 is arranged transversely and symmetrically. The hydraulic telescopic rod assembly 51 is used to support the bending rack 50, thereby reducing the transmission pressure of the first bending driving device 70 and the second bending driving device 80 and further ensuring the accuracy of transmission.

[0044] The bending tool head 60 is arranged symmetrically above and below the bending rack 50 and moves back and forth with the bending rack 50. The bending tool head 60 is used to bend the pressed product.

[0045] The first bending driving device 70 is arranged on the frame 10 and drives the bending frame 50 to move back and forth. The first bending driving device 70 comprises a first driving assembly 71, a first eccentric shaft 72 and a first transmission rod assembly 73. The first driving assembly 71 is arranged on the frame 10. The first eccentric shaft 72 is arranged at the output end of the first driving assembly 71 and is driven by the first driving assembly 71 to rotate back and forth. The first transmission rod assembly 73 is hingedly connected to the first eccentric shaft 72 at one end and is hingedly connected to the bending frame 50 at the other end. In this embodiment, the first driving assembly 71 comprises a first servo motor 711 and a first speed reducer 712. The input end of the first speed reducer 712 is connected to the output end of the first servo motor 711. The first eccentric shaft 72 is connected to the output end of the first speed reducer 712 and is driven by the first speed reducer 712 to rotate back and forth. The first transmission rod assembly 73 comprises a first connecting rod 731, a second connecting rod 732 and a connecting shaft 733. One end of the first connecting rod 731 is hingedly connected to the first eccentric shaft 72. One end of the second connecting rod 732 is hingedly connected to the other end of the first connecting rod 731. The connecting shaft 733 is hingedly connected to the other end of the second connecting rod 732. Two hinged pieces 734 are arranged on the connecting shaft 733 in a transverse manner. The two hinged pieces 734 are respectively hingedly connected to the bending frame 50.

[0046] The second bending driving device 80 is arranged on the rack 10 and drives the bending rack 50 to complete the bending action in cooperation with the first bending driving device 70, and the second bending driving device 80 comprises a second driving assembly 81, a second eccentric shaft 82 and a second transmission rod assembly 83; the second driving assembly 81 is arranged on the rack 10; the second eccentric shaft 82 is arranged at the output end of the second driving assembly 81 and is driven to rotate back and forth by the second driving assembly 81; one end of the second transmission rod assembly 83 is hinged with the second eccentric shaft 82 and moves back and forth with the second eccentric shaft 82, and the other end of the second transmission rod assembly 83 is hinged with the bending rack 50; the transmission mode of the eccentric shaft is used to replace the existing screw transmission mode, which not only has fast response speed and higher transmission precision, but also the cooperation of the first eccentric shaft 72 and the second eccentric shaft 82 can make the bending rack 50 have more bending angles and can meet more processing requirements; in the embodiment, the second driving assembly 81 comprises a second servo motor 811 and a second speed reducer 812, the input end of the second speed reducer 812 is connected with the output end of the second servo motor 811; the second eccentric shaft 82 is connected with the output end of the second speed reducer 812 and is driven to move back and forth by the second speed reducer 812; the second driving assembly 81 is horizontally symmetrical arranged in two, the output ends of the two second driving assemblies 81 are respectively connected with the two ends of the second eccentric shaft 82, and correspondingly, the second transmission rod assembly 83 is also horizontally spaced arranged in two, one end of the two second transmission rod assemblies 83 is respectively connected with the second eccentric shaft 82, and the other end of the two second transmission rod assemblies 83 is respectively hinged with the bending rack 50, the two arranged second driving assemblies 81 and the second transmission rod assemblies 83 are used to increase the vertical support force of the second bending driving device 80 on the bending rack 50, and further ensure the stability and precision of the bending process.

[0047] The design focus of the present application is that: the first bending driving device is arranged on the rack and drives the bending rack to move back and forth, the first bending driving device comprises a first driving assembly, a first eccentric shaft and a first transmission rod assembly, and the second bending driving device is arranged on the rack and drives the bending rack to complete the bending action in cooperation with the first bending driving device, and the second bending driving device comprises a second driving assembly, a second eccentric shaft and a second transmission rod assembly; the bending process of the bending rack in two directions is completed through the transmission mode of the eccentric shaft, compared with the traditional screw transmission mode, not only the response speed is faster, the bending precision is higher, and the transmission mode of the eccentric shaft, the activity angle of the bending rack is more, and the cooperation of the first eccentric shaft and the second eccentric shaft can complete more different angle bending processes, thereby meeting more processing requirements.

[0048] The above merely describes preferred embodiments of the present application, and is not intended to limit the technical scope of the present application in any way. Any minor modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application shall still fall within the technical scope of the present application.

Claims

1. A bending center with a new transmission mechanism, characterized by: The present invention relates to a method for the production of a plurality of bending machines, wherein the bending machine has a plurality of bending machines and a plurality of bending machines having a plurality of bending machines and a plurality of bending machines having a plurality of bending machines and a plurality of bending machines having a plurality of bending machines and a plurality of bending machines having a plurality of bending machines. The method comprises the following steps: The cam is connected to the chassis and the cam is connected to the chassis, and the cam is connected to the chassis by the cam, and the cam is connected to the chassis by the cam.

2. The bending center with a novel transmission mechanism according to claim 1, characterized in that: The tool driving device includes a third driving assembly, a third eccentric shaft and a third transmission rod assembly. The third driving assembly is arranged on the tool holder; the third eccentric shaft is connected to the output end of the third driving assembly and is driven to rotate back and forth by the third driving assembly, the upper end of the third transmission rod assembly is hinged to the third eccentric shaft and is driven to move back and forth by the third eccentric shaft, and the lower end of the third transmission rod assembly is hinged to the frame.

3. The bending center with a novel transmission mechanism according to claim 2, characterized in that: The bending frame is provided with a through hole for the third transmission rod assembly to pass through, and the lower end of the third transmission rod assembly extends downwardly out of the bending frame through the through hole and is hinged to the frame.

4. The bending center with a novel transmission mechanism according to claim 1, characterized in that: The tool drive devices are two arranged at intervals in the transverse direction, and the two tool drive devices simultaneously drive the tool holder to move up and down and back and forth.

5. The bending center with a novel transmission mechanism according to claim 1, characterized in that: The lower end of the bending frame is connected to the frame via a hydraulic telescopic rod assembly, and the hydraulic telescopic rod assemblies are two arranged in a transverse symmetrical manner.

6. The bending center with a novel transmission mechanism according to claim 1, characterized in that: The first driving assembly includes a first servo motor and a first reducer. The input end of the first reducer is connected to the output end of the first servo motor. The first eccentric shaft is connected to the output end of the first reducer and is driven to rotate back and forth by the first reducer.

7. The bending center with a novel transmission mechanism according to claim 1, characterized in that: The first transmission rod assembly includes a first connecting rod, a second connecting rod and a connecting shaft; one end of the first connecting rod is hinged to the first eccentric shaft; one end of the second connecting rod is hinged to the other end of the first connecting rod; the connecting shaft is hinged to the other end of the second connecting rod, and two horizontally arranged hinges are provided on the connecting shaft, and the two hinges are respectively hinged to the bending frame.

8. The bending center with a novel transmission mechanism according to claim 1, characterized in that: The second driving assembly includes a second servo motor and a second reducer, the input end of the second reducer is connected to the output end of the second servo motor; the second eccentric shaft is connected to the output end of the second reducer and is driven to move back and forth by the second reducer.

9. The bending center with a novel transmission mechanism according to claim 1, characterized in that: The second drive assemblies are arranged in two transversely symmetrical arrangements, and the output ends of the two second drive assemblies are respectively connected to the two ends of the second eccentric shaft. Correspondingly, the second transmission rod assemblies are also arranged in two transversely spaced arrangements, and one end of the two second transmission rod assemblies is respectively connected to the second eccentric shaft, and the other ends of the two second transmission rod assemblies are respectively hinged to the bending frame.

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