Low-alloy steel plate bending device

Abstract

The utility model discloses a low alloy steel plate bending device, which belongs to the field of alloy steel plate bending and comprises a hydraulic cylinder and a base, supports are fixedly connected to two sides of the base, the hydraulic cylinder is fixedly connected right above the base through the supports, an upper die is fixedly connected to the bottom of the hydraulic cylinder, and a lower die is fixedly connected to the bottom of the upper die. The upper surface of the base is fixedly connected with two cushion blocks, the upper end of each cushion block is fixedly connected with a lower die, and the two lower dies are arranged on the two sides of the upper die respectively. Compared with the prior art, the bending device has the advantages that the effect of adjusting the bending angle can be achieved by controlling the hydraulic cylinder, meanwhile, the manpower loss is greatly reduced, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to alloy steel plate bending technical field, concretely relates to low alloy steel plate bending device. BACKGROUND

[0002] In steel structure project, the cantilever flange plate or steel column wing web needs to be bent, and the common method in workshop is to adopt flame assisted gravity to bend, and the efficiency is low, the common bending equipment die on market is basically fixed, and the bending R angle cannot be adjusted, so it is not applicable to this kind of bending, and the bending device with adjustable bending R angle is developed for this kind of bending, which reduces the labor intensity of workers and improves production efficiency. SUMMARY

[0003] The utility model discloses low alloy steel plate bending device to solve the problem in the background art.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: low alloy steel plate bending device, including hydraulic cylinder, base, the base both sides are fixedly connected with support, the hydraulic cylinder is fixedly connected in the base directly above through support, the hydraulic cylinder bottom is fixedly connected with upper die, the base upper surface is fixedly connected with two pad, and each pad upper end is fixedly connected with lower die, and two lower dies are arranged on the both sides of upper die respectively.

[0005] Preferably, the lower die is provided with a lower die rib.

[0006] Preferably, the lower die top end is fixedly connected with high speed steel round steel.

[0007] Preferably, the hydraulic cylinder is specifically a 500T hydraulic cylinder, the pad is specifically made of 30*50, 30*30 or 30*20 square steel, and end milling is performed on each surface of the square steel, wherein: the lower die opening size V=2*S*6 (S is the bending plate thickness), and the bending depth d=P*S / σ*L (P is the bending force, σ is the material yield strength, and L is the material width).

[0008] The technical effect and advantages of the utility model are that the device can adjust the bending angle by controlling the hydraulic cylinder, greatly reduces the labor loss and improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is the idle state structure schematic view of the utility model bending device;

[0010] Figure 2 It is the side view of the utility model bending device;

[0011] Figure 3 It is the bending state schematic view of the utility model bending device;

[0012] Figure 4 It is the lower die distribution state schematic view of the utility model;

[0013] Figure 5 It is the lower die sectional view of the utility model.

[0014] In the figure: 101, hydraulic cylinder;102, support;103, upper die;104, lower die;105, cushion block;106, base;107, lower die rib;108, high speed steel round steel. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0016] The utility model provides a low alloy steel plate bending device as Figures 1-5 Indicated, including hydraulic cylinder 101, base 106;

[0017] Specifically, the both sides of base 106 are fixedly connected with support 102, hydraulic cylinder 101 is fixedly connected above base 106 through support 102, the bottom of hydraulic cylinder 101 is fixedly connected with upper die 103, the upper surface of base 106 is fixedly connected with two cushion blocks 105, the upper end of each cushion block 105 is fixedly connected with lower die 104, and two lower dies 104 are arranged on the both sides of upper die 103.

[0018] Specifically, lower die 104 is provided with lower die rib 107.

[0019] Specifically, the top of lower die 104 is fixedly connected with high speed steel round steel 108.

[0020] Specifically, hydraulic cylinder 101 specifically adopts 500T hydraulic cylinder, cushion block 105 specifically adopts 30*50, 30*30, 30*20 square steel, and end milling is carried out on each surface of square steel, wherein: lower die opening size V=2*S*6 (S is bending plate thickness), bending depth d=P*S / σ*L (P is bending force, σ is material yield strength, and L is material width).

[0021] Working principle:

[0022] When the low alloy steel plate needs to be bent, the staff places the alloy steel plate to be bent between the two lower dies 104, and the upper die 103 is lowered to press the middle end of the alloy steel plate by controlling the hydraulic cylinder 101 to stretch, thereby achieving the effect of bending the low alloy steel plate, and the bending angle of the low alloy steel plate is controlled by controlling the hydraulic depth of the hydraulic cylinder 101, the device reduces the labor loss of the traditional bending, and improves the production efficiency.

[0023] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A bending device for low alloy steel plate comprising a hydraulic cylinder (101), a base (106), characterized in that: The base (106) is fixedly connected with a support (102) on both sides, the hydraulic cylinder (101) is fixedly connected above the base (106) through the support (102), the bottom of the hydraulic cylinder (101) is fixedly connected with an upper die (103), the upper surface of the base (106) is fixedly connected with two pads (105), the upper end of each pad (105) is fixedly connected with a lower die (104), and the two lower dies (104) are arranged on the two sides of the upper die (103) respectively.

2. The low alloy steel plate bending apparatus according to claim 1, wherein: The lower die (104) is provided with a lower die rib (107) inside.

3. The low alloy steel plate bending apparatus as claimed in claim 1, wherein: The top of the upper die (103) and the lower die (104) is fixedly connected with a high-speed steel round steel (108).

4. The low alloy steel plate bending apparatus of claim 1, wherein: The hydraulic cylinder (101) is specifically a 500T hydraulic cylinder, the pad (105) is specifically made of a square steel with a size of 30*50, 30*30 or 30*20, and end milling is performed on each surface of the square steel, wherein the lower die opening size V=2*S*6, S is the bending plate thickness, the bending depth d=P*S / σ*L, P is the bending force, σ is the material yield strength, and L is the material width.

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