Adjustable material supporting device for bending thin plate

Abstract

The utility model relates to an adjustable material supporting device for bending a thin plate, which comprises supporting frames arranged on two sides of a bending machine workbench, two groups of material supporting mechanisms are symmetrically arranged on the supporting frames on the two sides, each group of material supporting mechanism comprises a thrust cylinder, the tail end of a cylinder seat of the thrust cylinder is rotatably connected with the supporting frame, a supporting plate bracket is arranged at the end part of a piston rod of the thrust cylinder, and the supporting plate bracket is fixedly connected with the supporting frame. One section of the supporting plate support extends towards the bending machine lower die and is rotationally connected with the supporting frame, the thrust cylinder is rotationally connected with the other end of the supporting plate support, the supporting face of the supporting plate support and the working face of the lower die are located on the same plane when a piston rod of the thrust cylinder stretches out, and the supporting face is in the horizontal plane when the piston rod retracts. According to the utility model, the problem that the bending precision is influenced by drooping deformation caused by insufficient rigidity when the thin plate is bent is solved, and the production efficiency is improved.

Description

An adjustable material support device for bending thin plates Technical Field

[0001] This utility model relates to the field of bending machine technology, specifically an adjustable material support device for bending thin plates. Background Technology

[0002] Sheet metal bending is a cold working process in the production of equal-weighted materials. A CNC bending machine can bend workpieces of different lengths, thicknesses, widths, and materials within its effective bending force and bending length range. For bending thin sheets, if the bending edge is long, its insufficient rigidity makes it prone to sagging under gravity, affecting positioning accuracy and the angle after bending. Before bending, a material support mechanism is needed to ensure the sheet metal is flat and accurately positioned on the back gauge. During bending, the angle of the bent workpiece increases due to sagging under gravity, affecting workpiece quality; therefore, a material support mechanism is necessary to support the sheet metal. Summary of the Invention

[0003] The purpose of this invention is to solve the problems existing in the prior art and provide an adjustable material support device for bending thin plates.

[0004] The specific solution of this utility model is as follows: an adjustable material support device for bending thin plates, including support frames set on both sides of the worktable of the bending machine, two sets of material support mechanisms symmetrically arranged on the support frames on both sides, each set of material support mechanisms including a thrust cylinder, the tail end of the cylinder seat of the thrust cylinder being rotatably connected to the support frame, the piston rod end of the thrust cylinder being equipped with a support plate bracket, one end of the support plate bracket extending towards the lower die of the bending machine and being rotatably connected to the support frame, the other end of the thrust cylinder being rotatably connected to the support plate bracket, when the piston rod of the thrust cylinder extends, the support surface of the support plate bracket and the working surface of the lower die are on the same plane, and when the piston rod retracts, the support surface is in the horizontal plane.

[0005] Furthermore, the pallet bracket includes a channel steel with its opening facing upward and equipped with a plurality of support rollers. The top surface of the support rollers protrudes from the channel steel, and the apex of each support roller on one side forms the support surface.

[0006] Furthermore, the thrust cylinder is a pneumatic cylinder.

[0007] Furthermore, the support frame is equipped with a sliding pair on the side facing the bending machine workbench, and linear rails are installed on both sides of the bending machine workbench. The support frames on both sides are slidably connected to the corresponding linear rails through the sliding pair.

[0008] Furthermore, the thrust cylinder is connected to the main control system of the bending machine via a signal connection, and the main control system controls the movement of the thrust cylinder.

[0009] This utility model has the following beneficial effects: 1. It solves the problem of sagging and deformation caused by insufficient rigidity when bending thin plates, which affects the bending accuracy; 2. Because the material support mechanism supports the plate, the upper die can quickly detach from the lower die after bending, which speeds up the bending rhythm and improves production efficiency. Attached Figure Description

[0010] Figure 1 is a structural schematic diagram of this utility model;

[0011] Figure 2 is a schematic diagram of the thrust cylinder of this utility model in the extended state;

[0012] In the diagram: 1. Support frame; 2. Cylinder; 3. Pallet bracket; 4. Bending machine workbench; 5. Linear rail; 6. Sliding pair; 7. Support roller; 8. Lower die. Detailed Implementation

[0013] Referring to Figures 1 and 2, this embodiment is an adjustable material support device for bending thin plates, including support frames 1 set on both sides of the worktable 4 of the bending machine. Two sets of material support mechanisms are symmetrically arranged on the support frames 1 on both sides. Each set of material support mechanisms includes a thrust cylinder. The tail end of the cylinder seat of the thrust cylinder is rotatably connected to the support frame 1. The piston rod end of the thrust cylinder is equipped with a support plate bracket 3. One end of the support plate bracket 3 extends towards the lower die 8 of the bending machine and is rotatably connected to the support frame 1. The other end of the thrust cylinder is rotatably connected to the support plate bracket 3. When the piston rod of the thrust cylinder extends, the support surface of the support plate bracket 3 and the working surface of the lower die 8 are on the same plane. When the piston rod retracts, the support surface is in the horizontal plane.

[0014] Furthermore, the pallet support 3 includes a channel steel with its opening facing upward and equipped with a plurality of support rollers 7. The top surface of the support rollers 7 protrudes from the channel steel, and the apex of each support roller 7 on one side forms the support surface. By setting the support rollers 7, the bottom surface of the plate material rolls and rubs against the support rollers 7, thus avoiding wear on the plate material.

[0015] Furthermore, the thrust cylinder is a pneumatic cylinder 2.

[0016] Furthermore, the support frame 1 is equipped with a sliding pair 6 on the side facing the bending machine worktable 4, and both sides of the bending machine worktable 4 are equipped with linear rails 5. The support frames 1 on both sides are slidably connected to the corresponding linear rails 5 through the sliding pair 6.

[0017] By setting up sliding joint 6 and linear track 5, the two side support frames 1 can move along the length direction of the bending machine, thereby adjusting the support position according to actual needs.

[0018] Furthermore, the thrust cylinder is connected to the main control system of the bending machine via a signal connection, and the main control system controls the movement of the thrust cylinder.

[0019] The working principle of this utility model is as follows: Before bending, the cylinders 2 on both sides are in the retracted state. At this time, the top support surface of the support plate brackets 3 on both sides is in the horizontal plane. The sheet material to be bent is placed on the support surface. After positioning, the bending command is executed. When the bending machine executes the bending step, the upper die presses down to bend the sheet material. The two ends of the sheet material are raised upward. At this time, the main control system sends a command to the cylinder 2. The piston rod of the cylinder 2 extends to push the support plate brackets 3 on both sides upward. At this time, the state of the support plate brackets 3 on both sides is shown in Figure 2. The two ends of the sheet material are supported by the support rollers 7 of the support plate brackets 3 on both sides to prevent the suspended end of the thin plate from sagging and deforming due to gravity. After the bending action is completed, the upper die can immediately move upward and reset.

Claims

1. An adjustable material support device for bending thin plates, characterized in that: The device includes support frames on both sides of the bending machine's worktable. Two sets of material-supporting mechanisms are symmetrically arranged on the support frames on both sides. Each set of material-supporting mechanisms includes a thrust cylinder. The tail end of the cylinder seat of the thrust cylinder is rotatably connected to the support frame. The piston rod end of the thrust cylinder is equipped with a support plate bracket. One end of the support plate bracket extends towards the lower die of the bending machine and is rotatably connected to the support frame. The other end of the thrust cylinder is rotatably connected to the support plate bracket. When the piston rod of the thrust cylinder extends, the support surface of the support plate bracket and the working surface of the lower die are on the same plane. When the piston rod retracts, the support surface is in the horizontal plane.

2. The adjustable material supporting device for sheet bending according to claim 1, characterized in that: The pallet bracket includes a channel steel with its opening facing upward and equipped with several support rollers. The top surface of the support rollers protrudes from the channel steel, and the apex of each support roller on one side forms the support surface.

3. The adjustable material support device for bending thin plates according to claim 1, characterized in that: The thrust cylinder is a pneumatic cylinder.

4. The adjustable material support device for bending thin plates according to claim 1, characterized in that: The support frame is equipped with a sliding pair on the side facing the bending machine workbench, and linear rails are installed on both sides of the bending machine workbench. The support frames on both sides are slidably connected to the corresponding linear rails through the sliding pair.

5. An adjustable material support device for bending thin plates according to claim 1, characterized in that: The thrust cylinder is connected to the main control system of the bending machine via a signal connection, and the main control system controls the movement of the thrust cylinder.

Images