Plate bending machine with adjustable lower pressing plate

Abstract

The plate bending machine comprises a workbench and the lower pressing plate, a vertical plate is fixedly installed at the upper end of the workbench, a transverse plate is fixedly installed on the vertical plate, a notch is formed in the surface of the transverse plate, a rotating shaft is fixedly installed on the lower pressing plate, the rotating shaft is rotatably installed in the notch, and the lower pressing plate is fixedly installed on the workbench. And a through hole is formed in the surface of the vertical plate. According to the plate bending device, the hydraulic cylinder drives the lower pressing plate to rotate with the rotating shaft as the axis, the rotating angle of the lower pressing plate can be controlled, and therefore the plate bending angle can be adjusted, the plate machining requirements of different bending requirements can be met, and the machining applicability and universality of equipment are improved; the two upper pressing plates can be driven to slide in the width direction after a plate is bent, so that the plate automatically falls off from one side, the automatic discharging function is achieved, the link of manual material taking is omitted, and the labor intensity of operators is reduced.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of bending machine, more specifically, particularly relates to a plate bending machine with adjustable lower pressing plate. BACKGROUND

[0002] In the field of plate processing, bending machine is the key equipment to realize plastic deformation of plate, which is widely used in automobile manufacturing, mechanical processing, building decoration and other industries.

[0003] The conventional plate bending machine still has some deficiencies in the process of use: on the one hand, it is inconvenient to adjust the bending angle of the plate, resulting in narrow processing applicability; on the other hand, most bending machines lack automatic unloading function, and manual material taking is needed after plate bending is completed, which increases the labor intensity of the operator and is inconvenient to use; therefore, in view of the existing structure and defects, a plate bending machine with adjustable lower pressing plate is provided to achieve a more practical purpose. SUMMARY

[0004] In order to solve the above technical problems, the present application provides a plate bending machine with adjustable lower pressing plate, which is achieved by the following specific technical means: A plate bending machine with adjustable lower pressing plate, comprising a workbench and a lower pressing plate, the upper end of the workbench is fixedly installed with a vertical plate, the vertical plate is fixedly installed with a horizontal plate, the surface of the horizontal plate is provided with a slot, the lower pressing plate is fixedly installed with a rotating shaft, the rotating shaft is rotatably installed in the slot, the surface of the vertical plate is provided with a through hole, the through hole is rotatably installed with a connecting shaft, the connecting shaft is fixedly installed with a hydraulic cylinder, the telescopic rod of the hydraulic cylinder is rotatably connected with the back end of the lower pressing plate, the upper end of the lower pressing plate and the horizontal plate is slidably installed with an upper pressing plate, the surface of each upper pressing plate is provided with a placing groove, a connecting assembly is arranged between the two upper pressing plates, the connecting assembly comprises a connecting piece, an arc-shaped groove is formed in the connecting piece, a sliding piece is slidably installed in the arc-shaped groove, and an electric telescopic rod for pushing the connecting piece to move is installed on the workbench.

[0005] Further, the upper surfaces of the lower pressing plate and the horizontal plate are provided with dovetail grooves, two sliding blocks are fixedly installed on each upper pressing plate, and each sliding block is slidably installed in the dovetail groove.

[0006] Further, each upper pressing plate slides along the width direction of the lower pressing plate and the horizontal plate.

[0007] Further, the connecting piece is fixedly connected with the upper pressing plate located on the horizontal plate, and the sliding piece is fixedly connected with the upper pressing plate located on the lower pressing plate.

[0008] Further, the workbench is fixedly provided with a support plate, and the electric telescopic rod is fixedly installed on the upper end of the support plate, and the telescopic rod of the electric telescopic rod is fixedly connected with the connecting piece.

[0009] Further, the connecting piece is designed in an arc shape, and the center of the connecting piece and the center of the rotating shaft are on the same axis.

[0010] Compared with the prior art, the present application has the following beneficial effects: I. The bending machine drives the lower pressing plate to rotate around the rotating shaft through the hydraulic cylinder, can control the rotation angle of the lower pressing plate, thereby realizing the adjustment of the bending angle of the plate, can meet the plate processing requirements of different bending requirements, and improves the processing applicability and versatility of the equipment.

[0011] II. The connecting assembly composed of the electric telescopic rod, the connecting piece and the sliding piece can drive the two upper pressing plates to slide along the width direction after the plate bending is completed, so that the plate automatically falls from one side, realizes the automatic unloading function, reduces the manual material taking link, and reduces the labor intensity of the operator.

[0012] III. The connecting piece is designed in an arc shape, and the center of the connecting piece and the center of the rotating shaft are on the same axis, so that the connecting assembly and other components do not interfere with each other during the rotation of the lower pressing plate and the sliding unloading process of the upper pressing plate, and the coordinated operation of the components of the equipment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the overall schematic view of the plate bending machine with adjustable lower pressing plate of the present application.

[0014] Figure 2 is the schematic view of the upper pressing plate of the present application.

[0015] Figure 3 is the schematic view of the lower pressing plate of the present application.

[0016] Figure 4 is the schematic view of the connecting piece of the present application.

[0017] In the drawing, the correspondence between the component names and the drawing numbers is as follows: 1, workbench; 11, vertical plate; 12, horizontal plate; 13, connecting shaft; 14, support plate; 2, lower pressing plate; 21, rotating shaft; 22, dovetail groove; 3, upper pressing plate; 31, placing groove; 32, sliding block; 4, hydraulic cylinder; 5, connecting piece; 51, arc-shaped groove; 52, sliding piece; 6, electric telescopic rod. DETAILED DESCRIPTION

[0018] The embodiments of the present application will be further described in details below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0019] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0021] Embodiment: As shown in the accompanying Figure 1 to the accompanying Figure 4 as shown: The present application provides a plate bending machine with adjustable lower pressing plate, comprising a workbench 1 and a lower pressing plate 2, the upper end of the workbench 1 is fixedly installed with a vertical plate 11, the vertical plate 11 is fixedly installed with a horizontal plate 12, the surface of the horizontal plate 12 is provided with a missing slot, the lower pressing plate 2 is fixedly installed with a rotating shaft 21, the rotating shaft 21 is rotatably installed in the missing slot, the surface of the vertical plate 11 is provided with a through port, the through port is rotatably installed with a connecting shaft 13, the connecting shaft 13 is fixedly installed with a hydraulic cylinder 4, the telescopic rod of the hydraulic cylinder 4 is rotatably connected with the back end of the lower pressing plate 2, starting the hydraulic cylinder 4, the telescopic rod of the hydraulic cylinder 4 will push the lower pressing plate 2 to rotate around the rotating shaft 21 as the axis, because the rotating shaft 21 is rotatably installed in the missing slot on the surface of the horizontal plate 12, so that the lower pressing plate 2 can stably realize the angle change, complete the bending of the plate, the hydraulic cylinder 4 can control the telescopic amount of the telescopic rod, and then control the angle of rotation of the lower pressing plate 2, so as to realize the adjustment of the bending angle of the plate, meet the different bending requirements; The upper end of the lower pressing plate 2 and the horizontal plate 12 is slidably installed with an upper pressing plate 3, the surface of each upper pressing plate 3 is provided with a placing groove 31 for placing the plate to be bent; The connecting assembly is arranged between the two upper pressing plates 3, and comprises a connecting piece 5, an arc-shaped slot 51 is arranged in the connecting piece 5, and a sliding piece 52 is slidably arranged in the arc-shaped slot 51; and an electric telescopic rod 6 for pushing the connecting piece 5 to move is arranged on the workbench 1; The upper surface of the lower pressing plate 2 and the transverse plate 12 is provided with a dovetail groove 22, and two sliding blocks 32 are fixedly arranged on each upper pressing plate 3, and each sliding block 32 is slidably arranged in the dovetail groove 22, so as to limit and support the upper pressing plate 3, so that the upper pressing plate 3 can only slide in the direction of the dovetail groove 22, and the upper pressing plate 3 is prevented from being separated from the lower pressing plate 2 during the bending process; The connecting piece 5 is fixedly connected with the upper pressing plate 3 arranged on the transverse plate 12, and the sliding piece 52 is fixedly connected with the upper pressing plate 3 arranged on the lower pressing plate 2; Each upper pressing plate 3 slides along the width direction of the lower pressing plate 2 and the transverse plate 12, a supporting plate 14 is fixedly arranged on the workbench 1, the electric telescopic rod 6 is fixedly arranged at the upper end of the supporting plate 14, and the telescopic rod of the electric telescopic rod 6 is fixedly connected with the connecting piece 5; when the electric telescopic rod 6 is started, the telescopic rod of the electric telescopic rod 6 pushes the connecting piece 5 fixedly connected with the telescopic rod to move, the movement of the connecting piece 5 drives the two upper pressing plates 3 to slide along the width direction of the lower pressing plate 2 and the transverse plate 12 respectively, so that the positions of the two upper pressing plates 3 are changed, the plate placed in the placing groove 31 loses effective limiting, and thus falls from one side, and automatic discharging is completed; The connecting piece 5 is designed in an arc shape, and the center of the connecting piece 5 and the center of the rotating shaft 21 are on the same axis, so that when the lower pressing plate 2 rotates, the connecting assembly does not interfere with the lower pressing plate 2, the transverse plate 12 and other components, and the bending process is ensured to be smooth.

[0022] The working principle of the embodiment is as follows: First step: in the initial state, the horizontal plate 12 is parallel with the lower pressing plate 2, the two upper pressing plates 3 are respectively slidably installed in the dovetail groove 22 of the lower pressing plate 2 and the horizontal plate 12 through the sliding block 32, and due to the existence of the connecting assembly, the two are in the relatively matched position, when the plate needs to be bent, first, the plate to be bent is placed in the placing groove 31 of the two upper pressing plates 3, the placing groove 31 can limit the plate to prevent the plate from deviating in the bending process, then the hydraulic cylinder 4 is started, the telescopic rod of the hydraulic cylinder 4 pushes the lower pressing plate 2 to rotate around the pivot 21 as the axis, because the pivot 21 is rotatably installed in the notch on the surface of the horizontal plate 12, so the lower pressing plate 2 can stably realize the angle change, in this process, the upper pressing plate 3 on the lower pressing plate 2 moves together with the lower pressing plate 2, and the upper pressing plate 3 on the horizontal plate 12 remains relatively static, the relative movement of the two drives the plate placed in the placing groove 31 to bend, at the same time, because the hydraulic cylinder 4 can control the telescopic amount of the telescopic rod, thereby controlling the angle of rotation of the lower pressing plate 2, so as to realize the adjustment of the bending angle of the plate, and meet different bending requirements; Second step: the electric telescopic rod 6 is started, the telescopic rod of the electric telescopic rod 6 pushes the connecting piece 5 fixedly connected therewith to move, because the connecting piece 5 is designed in an arc shape, and the center of the arc shape is on the same axis as the center of the pivot 21, so the movement of the connecting piece 5 is more matched with the rotation track of the lower pressing plate 2, and the movement interference is avoided, and because the connecting piece 5 is fixedly connected with the upper pressing plate 3 on the horizontal plate 12, the sliding piece 52 is fixedly connected with the upper pressing plate 3 on the lower pressing plate 2, and the sliding piece 52 is slidably installed in the arc-shaped groove 51 of the connecting piece 5, so the movement of the connecting piece 5 drives the two upper pressing plates 3 to slide along the width direction of the lower pressing plate 2 and the horizontal plate 12 respectively through the sliding piece 52, so that the positions of the two upper pressing plates 3 change, the plate placed in the placing groove 31 loses effective limiting, and thus falls from one side, and the automatic discharging is completed.

[0023] Embodiments of the application are presented for the purpose of example and description only, and are not intended to be exhaustive or to limit the application to the precise forms disclosed. Many modifications and variations are possible in light of the above teachings. The embodiments were chosen and described in order to best illustrate the principles of the application and its practical application, and to thereby enable one of ordinary skill in the art to best utilize the application in various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A sheet metal bending machine with an adjustable lower pressing plate, comprising a workbench (1) and a lower pressing plate (2), characterized in that: A vertical plate (11) is fixedly mounted on the upper end of the workbench (1), a horizontal plate (12) is fixedly mounted on the vertical plate (11), a groove is provided on the surface of the horizontal plate (12), a rotating shaft (21) is fixedly mounted on the lower pressing plate (2), the rotating shaft (21) is rotatably mounted in the groove, a through opening is provided on the surface of the vertical plate (11), a connecting shaft (13) is rotatably mounted at the through opening, a hydraulic cylinder (4) is fixedly mounted on the connecting shaft (13), and a telescopic rod of the hydraulic cylinder (4) is rotatably connected to the back end of the lower pressing plate (2); The upper ends of the lower pressing plate (2) and the horizontal plate (12) are both slidably mounted with upper pressing plates (3), and a placement groove (31) is provided on the surface of each upper pressing plate (3). A connecting assembly is provided between the two upper pressing plates (3), and the connecting assembly includes a connecting member (5), an arc-shaped groove (51) is provided inside the connecting member (5), and a sliding member (52) is slidably mounted in the arc-shaped groove (51). An electric telescopic rod (6) for pushing the connecting member (5) to move is installed on the workbench (1).

2. A sheet metal bending machine with an adjustable lower pressure plate as claimed in claim 1, characterized in that: The upper surfaces of the lower pressing plate (2) and the transverse plate (12) are both provided with dovetail grooves (22), and each of the upper pressing plates (3) is fixedly mounted with two sliders (32), and each of the sliders (32) is slidably mounted in the dovetail grooves (22).

3. A sheet metal bending machine with an adjustable lower pressure plate as claimed in claim 2, characterized in that: Each of the upper pressing plates (3) slides along the width direction of the lower pressing plate (2) and the transverse plate (12).

4. A sheet metal bending machine with an adjustable lower pressure plate as claimed in claim 3, characterized in that: The connecting member (5) is fixedly connected to the upper pressing plate (3) located on the transverse plate (12), and the sliding member (52) is fixedly connected to the upper pressing plate (3) located on the lower pressing plate (2).

5. A sheet metal bending machine with an adjustable lower pressure plate as claimed in claim 4, characterized in that: A support plate (14) is fixedly mounted on the workbench (1), the electric telescopic rod (6) is fixedly mounted on the upper end of the support plate (14), and the telescopic rod of the electric telescopic rod (6) is fixedly connected to the connecting piece (5).

6. A sheet metal bending machine with an adjustable lower pressure plate as claimed in claim 5, characterized in that: The connecting member (5) is designed to be arc-shaped, and the center of the connecting member (5) and the center of the rotating shaft (21) are on the same axis.

Images