Bending mechanism of bending machine

Abstract

The utility model provides a bending mechanism of a bending machine, and belongs to the technical field of bending machines. Comprising a base, a top plate is erected over the base, a hydraulic air cylinder is fixed to the middle of the upper end face of the top plate, a crankshaft of the hydraulic air cylinder vertically penetrates out of the middle of the lower end face of the top plate and is fixedly provided with an extrusion plate, an extension base is fixed to the middle of one side of the base, and a rotating disc is rotationally installed on the extension base; the edge of one side of the rotating disc extends to the position under the top plate, a plurality of bending modules of different bending machining types are arranged on the edge of the upper end face of the rotating disc, and the bending modules abut against the extrusion plate in a matched mode to complete bending machining. The bending device can conveniently and rapidly change the bending processing types, is flexible to use, can meet different bending processing requirements, and is beneficial to guaranteeing the processing efficiency.

Description

Technical Field

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

[0002] A bending machine is a machine that can bend workpieces. Its structure mainly includes an upper and lower moving mechanism and a workbench fixing structure. The upper and lower dies are closed to produce an extrusion bending operation on the thin plate, and the bending process is performed in advance.

[0003] However, the existing hydraulic bending machines usually only have an upper die and a lower die. When different bending processes are required on workpieces such as thin plates, the staff is generally required to replace the upper die and the lower die by reassembling and reassembling in advance before the workpiece can be processed into a specific bending structure, which affects the processing efficiency. Therefore, the present application provides a bending mechanism of a bending machine to solve the above technical problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a bending mechanism of a bending machine to solve the problem that it is inconvenient to quickly replace the upper and lower molds of the existing hydraulic bending machine.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] A bending mechanism of a bending machine comprises a base, a top plate is arranged directly above the base, a hydraulic cylinder is fixed to the middle part of the upper end surface of the top plate, the machine shaft of the hydraulic cylinder vertically passes through the middle part of the lower end surface of the top plate, and an extrusion plate is fixed, and an extension seat is fixed to the middle part of one side of the base, a rotating disk is rotatably mounted on the extension seat, one side edge of the rotating disk extends to directly below the top plate, and a plurality of groups of bending modules of different bending processing types are arranged on the upper end surface edge of the rotating disk, and the bending modules abut and cooperate with the extrusion plate to complete the bending processing.

[0007] Optionally, a plurality of support columns are symmetrically fixed at both ends of the upper end surface of the base, and the top ends of the plurality of support columns are commonly fixed to the lower end surface of the top plate to form a support.

[0008] Optionally, a positioning groove is provided on the edge of the rotating disk corresponding to the position of each bending module, and a fixing plate is fixed to the middle part of the upper end surface of the base away from the rotating disk, and a clamping block is elastically installed on the fixing plate for inserting into the positioning groove to form a limit.

[0009] Optionally, a horizontal positioning rod passes through the middle of the fixing plate, an end of the positioning rod is fixed to the clamping block, and a second spring is sleeved on the positioning rod.

[0010] Optionally, one end of the second spring is connected to the surface of the fixing plate, and the other end abuts against the surface of the clamping block.

[0011] Optionally, the bending module includes a fixing frame, a lifting plate, a bending block and a die groove.

[0012] Optionally, two fixing frames are provided and are symmetrically fixed to one side edge of the upper end surface of the rotating disk, movable columns are vertically inserted at the top ends of the two fixing frames, the lower ends of the two movable columns are respectively fixed to the two ends of the upper end surface of the lifting plate, and a first spring is sleeved on the movable column.

[0013] Optionally, a protrusion is fixed on the top of the movable column, the top end of the first spring is fixed on the top protrusion of the movable column, and the bottom end of the first spring is fixed to the upper end surface of the fixing frame to elastically abut the movable column upward.

[0014] Optionally, the bending block is fixed to the middle part of the lower end surface of the lifting plate, and the mold groove is opened on the upper end surface of the rotating disk and is located above and below the bending block.

[0015] Optionally, the bending block cooperates with the die groove to form upper and lower dies for bending processing including circular extrusion bending, left oblique extrusion bending, right oblique extrusion bending, and horizontal extrusion bending.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] In the above scheme, by arranging multiple groups of bending modules of different bending processing types on a rotatable rotating disk, different bending modules can be rotated to the bottom of the top plate to cooperate with the extrusion plate, so that the extrusion plate can be driven by the hydraulic cylinder to press down the bending block in the bending module, and cooperate with the corresponding die groove to realize the bending processing of the workpiece. It is convenient and quick to change the bending processing type, and it is flexible and convenient to use, which is conducive to improving work efficiency.

[0018] Through the cooperation between the positioning groove and the clamping block, after the rotating disk is rotated, the clamping block can be elastically pressed into the corresponding positioning groove to fix the position of the rotating disk, so that the rotating disk can ensure the convenience and flexibility of adjusting the bending processing type while ensuring its own stability during the bending processing.

[0019] In summary, the device can conveniently and quickly change the bending processing type, is flexible to use, can not only meet different bending processing requirements, but also help to ensure processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the present invention and enable those skilled in the relevant art to make and use the present invention.

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 It is a three-dimensional structural schematic diagram of the base of the utility model;

[0023] Figure 3 It is a three-dimensional structural schematic diagram of the rotating disk of the utility model;

[0024] Figure 4 For the utility model Figure 3 A magnified schematic diagram of the structure in the middle.

[0025] [reference numerals]

[0026] 1. Base; 2. Extension seat; 3. Support column; 4. Top plate; 5. Hydraulic cylinder; 6. Extrusion plate; 7. Rotating plate; 8. Positioning groove; 9. Bending module; 901. Fixed frame; 902. Movable column; 903. First spring; 904. Lifting plate; 905. Bending block; 906. Die groove; 10. Fixed plate; 11. Positioning rod; 12. Clamping block; 13. Second spring.

[0027] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0028] The following is a detailed description of a bending mechanism of a bending machine provided by the utility model in combination with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternative methods to implement some known technologies; and the accompanying drawings are only for a more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0029] It should be noted that the references to "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0030] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0031] It is to be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0032] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0033] like Figure 1 and Figure 2 As shown, an embodiment of the utility model provides a bending mechanism of a bending machine, including a base 1, a plurality of support columns 3 are symmetrically fixed to both ends of the upper end surface of the base 1, and a horizontal top plate 4 is commonly fixed to the top ends of the plurality of support columns 3 to erect the top plate 4 directly above the base 1, a hydraulic cylinder 5 is fixed to the middle part of the upper end surface of the top plate 4, the shaft of the hydraulic cylinder 5 vertically passes through the middle part of the lower end surface of the top plate 4, and is fixed with an extrusion plate 6.

[0034] An extension seat 2 is fixed in the middle of one side of the base 1, and a rotating disk 7 is rotatably mounted on the extension seat 2. One side edge of the rotating disk 7 extends to the bottom of the top plate 4. The upper end surface edge of the rotating disk 7 is provided with several groups of bending modules 9 of different bending processing types. The bending modules 9 are in contact with the extrusion plate 6 to complete the bending processing. It is convenient to rotate the rotating disk 7 to rotate the bending modules 9 of different bending processing types to the bottom of the extrusion plate 6 to realize the rapid change of the bending processing type. Compared with the prior art that requires the upper and lower molds for bending to be reassembled and disassembled, the device is more convenient and quick to operate, which is conducive to ensuring the processing efficiency.

[0035] At the same time, cooperate Figure 3 and Figure 4 As shown, the edge of the rotating disk 7 is provided with a positioning groove 8 corresponding to the position of each bending module 9, and a fixing plate 10 is fixed to the side of the middle of the upper end surface of the base 1 away from the rotating disk 7, and a clamping block 12 for inserting into the positioning groove 8 to form a limit is elastically installed on the fixing plate 10. In specific implementation, in this embodiment, a horizontal positioning rod 11 runs through the middle of the fixing plate 10, and the end of the positioning rod 11 is fixed to the clamping block 12, and a second spring 13 is sleeved on the positioning rod 11, one end of the second spring 13 is connected to the surface of the fixing plate 10, and the other end abuts against the surface of the clamping block 12, so that the rotating disk 7 after rotation can be conveniently fixed by elastically clamping the clamping block 12 into the corresponding positioning groove 8.

[0036] like Figure 3 and Figure 4 As shown, the bending die set 9 includes a fixed frame 901, a lifting plate 904, a bending block 905 and a die groove 906. Among them, two fixed frames 901 are provided and symmetrically fixed to one side edge of the upper end surface of the rotating disk 7, and the top ends of the two fixed frames 901 are vertically plugged with movable columns 902, and the lower ends of the two movable columns 902 are respectively fixed to the two ends of the upper end surface of the lifting plate 904, and the movable columns 902 are sleeved with first springs 903, and the top of the movable columns 902 is fixed with a protrusion, the top of the first spring 903 is fixed to the top protrusion of the movable column 902, and the bottom end of the first spring 903 is fixed to the upper end surface of the fixed frame 901, and the movable column 902 is elastically abutted upward, so that the lifting plate 904 is elastically installed between the tops of the two fixed frames 901.

[0037] At the same time, the bending block 905 is fixed to the middle part of the lower end surface of the lifting plate 904, and the die groove 906 is opened on the upper end surface of the rotating disk 7 and is located above and below the bending block 905. Therefore, the lifting plate 904 can be pressed down by the extrusion plate 6 to drive the bending block 905 to move downward, so as to cooperate with the corresponding die groove 906 to realize the bending process.

[0038] In addition, in this embodiment, the bending block 905 cooperates with the die groove 906 to form upper and lower dies for bending processing, including circular extrusion bending, left oblique extrusion bending, right oblique extrusion bending, and horizontal extrusion bending.

[0039] The working principle provided by the utility model is that when in use, the required bending module 9 is rotated to the bottom of the top plate 4 to cooperate with the extrusion plate 6 by rotating the rotating disk 7, and the elastically installed clamping block 12 on the fixed plate 10 is clamped and fixed with the positioning groove 8 corresponding to the edge of the rotating disk 7 to fix the position of the rotating disk 7.

[0040] Subsequently, the hydraulic cylinder 5 can be started to drive the extrusion plate 6 to press down the lifting plate 904 in the bending module 9, so that the bending block 905 moves down to cooperate with the corresponding die groove 906 to perform bending processing on the workpiece. Since the rotating disk 7 can rotate conveniently and flexibly, the device can quickly and conveniently change the bending processing type. It is flexible and convenient to use and is conducive to improving work efficiency.

[0041] In summary, the device can conveniently and quickly change the bending processing type, is flexible to use, can not only meet different bending processing requirements, but also help to ensure processing efficiency.

[0042] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A bending mechanism of a bending machine, comprising a base, characterized in that: A top plate is arranged directly above the base, a hydraulic cylinder is fixed to the middle of the upper end surface of the top plate, a shaft of the hydraulic cylinder vertically passes through the middle of the lower end surface of the top plate and is fixed with an extrusion plate, and an extension seat is fixed to the middle of one side of the base; A rotating disk is rotatably mounted on the extension seat, and one side edge of the rotating disk extends to just below the top plate. A plurality of bending modules of different bending processing types are arranged on the upper end edge of the rotating disk, and the bending modules abut against the extrusion plate to complete the bending processing.

2. The bending mechanism of the bending machine according to claim 1, characterized in that: A plurality of support columns are symmetrically fixed at both ends of the upper end surface of the base, and the top ends of the plurality of support columns are commonly fixed to the lower end surface of the top plate to form a support.

3. The bending mechanism of the bending machine according to claim 1, characterized in that: A positioning groove is provided at the edge of the rotating disk corresponding to the position of each bending module, and a fixing plate is fixed to the middle part of the upper end surface of the base away from the rotating disk, and a clamping block is elastically installed on the fixing plate for inserting into the positioning groove to form a limit.

4. The bending mechanism of the bending machine according to claim 3, characterized in that: A horizontal positioning rod is passed through the middle of the fixing plate, an end of the positioning rod is fixed to the clamping block, and a second spring is sleeved on the positioning rod.

5. The bending mechanism of the bending machine according to claim 4, characterized in that: One end of the second spring is connected to the surface of the fixing plate, and the other end abuts against the surface of the clamping block.

6. The bending mechanism of the bending machine according to claim 1, characterized in that: The bending module comprises a fixing frame, a lifting plate, a bending block and a die groove.

7. The bending mechanism of the bending machine according to claim 6, characterized in that: The fixing frames are provided with two and are symmetrically fixed to one side edge of the upper end surface of the rotating disk. The top ends of the two fixing frames are vertically plugged with movable columns. The lower ends of the two movable columns are respectively fixed to the two ends of the upper end surface of the lifting plate, and the movable columns are sleeved with a first spring.

8. The bending mechanism of the bending machine according to claim 7, characterized in that: A protrusion is fixed on the top of the movable column, the top end of the first spring is fixed on the top protrusion of the movable column, and the bottom end of the first spring is fixed to the upper end surface of the fixing frame to elastically abut the movable column upward.

9. The bending mechanism of the bending machine according to claim 8, characterized in that: The bending block is fixed to the middle part of the lower end surface of the lifting plate, and the die groove is opened on the upper end surface of the rotating disk and is located above and below the bending block.

10. The bending mechanism of the bending machine according to claim 9, characterized in that: The bending block cooperates with the die groove to form upper and lower dies for bending processing, including circular extrusion bending, left oblique extrusion bending, right oblique extrusion bending, and horizontal extrusion bending.

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