Metal plate bending device

Abstract

The utility model relates to the technical field of metal plate machining equipment, in particular to a metal plate bending device. The utility model provides a metal plate bending device which comprises a base, a lower die, connecting columns, a top plate, an electric push rod, a pressing die and a first piston rod, the lower die is fixedly connected to the front side of the top of the base, the connecting columns which are in bilateral symmetry are fixedly connected to the front side of the top of the base, the connecting columns are erected on the left side and the right side of the lower die respectively, and the top plate is fixedly connected between the tops of the connecting columns. An electric push rod is fixedly connected to the center of the bottom of the top plate, a pressing die is fixedly connected to an output shaft of the electric push rod and slides up and down in the space between the upper portions of the two connecting columns, and a first piston rod is fixedly connected to the left side of the pressing die in a penetrating mode. Through the arrangement of the first piston rod, the connecting pipe and the second piston rod, the efficiency problem caused by the fact that a formed product needs to be manually taken out of a traditional metal plate bending device is solved, workers are prevented from making direct contact with the interior of a machine, and the risk of industrial accidents is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal sheet processing equipment technical field especially relates to a metal sheet bending device. BACKGROUND

[0002] In modern manufacturing industry, the bending forming of metal sheet is one of the key steps in the manufacturing process of many industrial products. The traditional metal sheet bending device is mainly composed of a bending die, a bending system or a mechanical transmission system. By applying external force, the metal sheet is plastically deformed according to the predetermined shape and angle, so as to realize the purpose of bending forming.

[0003] However, the existing traditional bending device has some obvious problems and limitations, especially in safety, efficiency and automation. After the bending operation of the traditional metal sheet bending device is completed, manual intervention is usually needed to take out the formed product. This manual operation not only has low efficiency, but also has high safety risk. If the worker accidentally puts his hand into the machine during operation, serious injury may occur due to misoperation or sudden start of the machine. Moreover, the machine needs to be stopped every time after bending is completed in order to take out the finished product manually, which greatly reduces the working efficiency of the whole production process. Especially in the scene of large-scale continuous production, frequent manual intervention will significantly affect the speed and capacity of the production line.

[0004] Therefore, there is an urgent need for a metal sheet bending device that can automatically take out the finished product after bending is completed to solve the above problems. SUMMARY

[0005] In order to overcome the shortcomings of the traditional metal sheet bending device that needs manual operation to take out the formed product, not only has low efficiency but also has serious safety risk, the utility model provides a metal sheet bending device.

[0006] The utility model realizes through the following technical means: a metal sheet bending device, including base, lower mould, connecting column, top plate, electric push rod, pressing die, first piston rod, connecting pipe, second piston rod, pushing mechanism and support mechanism, the lower mould is fixedly connected on the top front side of base, the connecting column that is left and right symmetrical is fixedly connected on the top front side of base, the connecting column is respectively erected on the left side and the right side of lower mould, and the top plate is fixedly connected between the top of connecting column, the electric push rod is fixedly connected on the bottom of top plate, the pressing die is fixedly connected on the output shaft of electric push rod, the pressing die slides up and down in the space between the upper part of two connecting columns, the first piston rod is fixedly connected on the left side of pressing die, the connecting pipe is fixedly connected on the right side of the top of base, the first piston rod is slidably connected with the outlet of connecting pipe upper end, the second piston rod is slidably connected with the outlet of connecting pipe lower end, the pushing mechanism is arranged on the rear side of base, and the support mechanism is arranged in the middle of lower mould.

[0007] Optionally, the pushing mechanism comprises a pneumatic cylinder, a sliding block, a placing plate and a first spring, the pneumatic cylinder is fixed to the top rear side of the base, the output shaft of the pneumatic cylinder is fixedly connected with the sliding block, the placing plate is slidably connected to the lower side of the sliding block, and the first spring is connected between the sliding block and the placing plate.

[0008] Optionally, the supporting mechanism comprises a supporting rod and a second spring, the lower die is provided with left-right symmetrical grooves, the supporting rod is slidably arranged in the grooves, and the second spring is connected between the lower die and the supporting rod.

[0009] Optionally, the base is provided with mounting plates on the left and right side walls.

[0010] Optionally, the middle groove of the lower die is matched with the left end profile of the second piston rod.

[0011] Optionally, the top surface of the placing plate is flush with the top surface of the lower die.

[0012] It can be known from the above description of the structure of the utility model that the design starting point, concept and advantages of the utility model are: 1. The utility model solves the efficiency problem caused by manual removal of the formed product of the traditional metal plate bending device by arranging the first piston rod, the connecting pipe and the second piston rod, and avoids direct contact of workers with the machine interior, thereby greatly reducing the risk of work accidents.

[0013] 2. The utility model realizes full automation of the metal plate bending process, and the entire process from feeding, bending to product pushing out basically does not need manual intervention, thereby greatly improving work efficiency compared with traditional manual operation, and being particularly suitable for large-scale continuous production scenes.

[0014] 3. The utility model adopts an efficient hydraulic system and an intelligent control system, can adjust energy output according to actual needs, avoids unnecessary energy waste, and meets the trend of modern industrial energy saving and emission reduction. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0016] Figure 2 It is a three-dimensional structure schematic view of the base, the lower die and the connecting column of the utility model.

[0017] Figure 3 It is a three-dimensional sectional structure schematic view of the connecting pipe of the utility model.

[0018] Figure 4 It is a three-dimensional structure schematic view of the pneumatic cylinder, the sliding block and the placing plate of the utility model.

[0019] Figure 5 It is a three-dimensional structure schematic view of the base, the placing plate and the first spring of the utility model.

[0020] Figure 6 This is a three-dimensional structural diagram of the base, support rod, and second spring of this utility model.

[0021] The meanings of the reference numerals in the figure are as follows: 1. Base, 101. Mounting plate, 2. Lower mold, 3. Connecting column, 301. Top plate, 4. Electric push rod, 5. Press mold, 6. First piston rod, 7. Connecting pipe, 8. Second piston rod, 9. Cylinder, 10. Slider, 11. Placement plate, 12. First spring, 13. Groove, 14. Support rod, 15. Second spring. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.

[0023] Example: A metal sheet bending device, such as Figures 1-6 As shown, the device includes a base 1, a mounting plate 101, a lower mold 2, connecting columns 3, a top plate 301, an electric push rod 4, a pressure mold 5, a first piston rod 6, a connecting pipe 7, a second piston rod 8, a pushing mechanism, and a support mechanism. Mounting plates 101 are welded to the left and right side walls of the base 1 to enhance the stability of the entire device. The lower mold 2 is bolted to the front top of the base 1. Symmetrical connecting columns 3 are welded to the front top of the base 1, standing upright on the left and right sides of the lower mold 2. The tops of the connecting columns 3 are bolted together to the top plate 301. An electric push rod 4 is fixedly connected to the center of the bottom of the top plate 301, and the pressure mold 5 is fixedly connected to the output shaft of the electric push rod 4. The die 5 slides up and down in the space between the upper parts of the two connecting columns 3. A first piston rod 6 is fixedly connected to the left side of the die 5. The first piston rod 6 is located to the left of the left connecting column 3. A connecting pipe 7 is fixedly connected to the top right side of the base 1. The upper outlet of the connecting pipe 7 is slidably connected to the first piston rod 6. The lower outlet of the connecting pipe 7 is slidably connected to the second piston rod 8. The connecting pipe 7 is filled with hydraulic oil. The contour of the groove in the middle of the lower die 2 matches the contour of the left end of the second piston rod 8, ensuring that the second piston rod 8 can accurately cooperate with the lower die 2 to achieve a good pushing effect. A pushing mechanism is provided on the rear side of the base 1, and a support mechanism is provided in the middle of the lower die 2.

[0024] like Figure 1 , Figure 4 and 5As shown, the pushing mechanism includes a cylinder 9, a sliding block 10, a placing plate 11 and a first spring 12, the cylinder 9 is fixed on the top of the rear side of the base 1, the output shaft of the cylinder 9 is fixed with the sliding block 10, the placing plate 11 is slidably connected to the lower side of the sliding block 10, the placing plate 11 is provided with symmetrically left and right sliding grooves, which facilitates the sliding block 10 to slide smoothly therein, the top surface of the placing plate 11 is flush with the top surface of the lower die 2, and the placing plate 11 is stopped by the lower die 2 when moving, and the first spring 12 is connected between the sliding block 10 and the placing plate 11.

[0025] As shown in Figure 1 and 6 The support mechanism includes a support rod 14 and a second spring 15, the lower die 2 is provided with symmetrically left and right grooves 13, the support rod 14 is slidably placed in the groove 13, and the second spring 15 is connected between the lower die 2 and the support rod 14.

[0026] When the metal plate needs to be bent, first place the base 1 on the horizontal table top, and fix the mounting plate 101 on the table top with screws to ensure that the entire device is stable and immovable, place the metal plate on the placing plate 11, then start the cylinder 9, the output shaft of the cylinder 9 pushes the sliding block 10 to move forward, the sliding block 10 drives the placing plate 11 and the metal plate above to move forward together, the sliding block 10 continues to push until the front end of the placing plate 11 abuts against the rear upper side of the lower die 2, at this time the placing plate 11 stops moving, while the sliding block 10 continues to drive the metal plate to slide along the surface of the placing plate 11 until the metal plate falls on the support rod 14, and the first spring 12 is retracted, the cylinder 9 is started to retract, the output shaft of the cylinder 9 drives the sliding block 10 to move backward until the sliding block 10 no longer contacts the metal plate of the support rod 14, at this time the first spring 12 is reset, the sliding block 10 drives the placing plate 11 to return to the initial position, then the electric push rod 4 is started to control the output shaft to drive the pressing die 5 to slide downward along the connecting column 3, when the pressing die 5 drives the first piston rod 6 to move downward, the hydraulic oil flows upward in the connecting pipe 7 to suck the second piston rod 8 to move rightward, when the pressing die 5 abuts against the middle part of the metal plate and continues to move downward, the metal plate is deformed by pressing, and the support rod 14 moves downward along the groove 13, the second spring 15 is compressed, until the metal plate is completed to be bent, then the output shaft of the electric push rod 4 drives the pressing die 5 to move upward, at this time the first piston rod 6 moves upward, the hydraulic oil flows downward in the connecting pipe 7 to squeeze the second piston rod 8 to move leftward, when the second piston rod 8 moves leftward, the bent metal plate is pushed out from the lower die 2 to the outside, then the support rod 14 moves upward to reset under the resetting action of the second spring 15, ready for the next processing cycle, if there is a new metal plate to be bent, the above steps can be repeated.

[0027] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, are all included in the patent protection scope of the present application.

Claims

1. A metal sheet bending device, characterized in that: The system includes a base (1), a lower mold (2), connecting columns (3), a top plate (301), an electric push rod (4), a pressure mold (5), a first piston rod (6), a connecting pipe (7), a second piston rod (8), a pushing mechanism, and a support mechanism. The lower mold (2) is fixedly connected to the front top of the base (1). The connecting columns (3) are symmetrically connected to the front top of the base (1). The connecting columns (3) are respectively erected on the left and right sides of the lower mold (2), and the top plate (301) is fixedly connected between their tops. An electric push rod is fixedly connected to the bottom of the top plate (301). A push rod (4) is attached to the output shaft of the electric push rod (4), and a pressure mold (5) is fixedly connected to it. The pressure mold (5) slides up and down in the space between the upper parts of the two connecting columns (3). A first piston rod (6) is fixedly connected to the left side of the pressure mold (5). A connecting pipe (7) is fixedly connected to the top right side of the base (1). The upper end outlet of the connecting pipe (7) is slidably connected to the first piston rod (6). The lower end outlet of the connecting pipe (7) is slidably connected to the second piston rod (8). A pushing mechanism is provided on the rear side of the base (1), and a support mechanism is provided in the middle of the lower mold (2).

2. The metal sheet bending device according to claim 1, characterized in that: The pushing mechanism includes a cylinder (9), a slider (10), a placement plate (11), and a first spring (12). The cylinder (9) is fixedly connected to the rear top of the base (1). The slider (10) is fixedly connected to the output shaft of the cylinder (9). The placement plate (11) is slidably connected to the lower side of the slider (10). The first spring (12) is connected between the slider (10) and the placement plate (11).

3. A metal sheet bending device according to claim 2, characterized in that: The support mechanism includes a support rod (14) and a second spring (15). The lower mold (2) has symmetrical grooves (13) on both sides. The support rod (14) is slidably placed in the grooves (13). The second spring (15) connects the lower mold (2) and the support rod (14).

4. A metal sheet bending device according to claim 3, characterized in that: It also includes a mounting plate (101), and the mounting plate (101) is fixed to both the left and right side walls of the base (1).

5. A metal sheet bending device according to claim 4, characterized in that: The outline of the middle groove of the lower mold (2) matches the outline of the left end of the second piston rod (8).

6. A metal sheet bending device according to claim 5, characterized in that: The top surface of the placement plate (11) is flush with the top surface of the lower mold (2).

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