Arc bending machine

Abstract

The utility model discloses an arc bending machine which comprises a bending machine installation frame, an automatic feeding and discharging bending assembly is arranged on the periphery of the bending machine installation frame, a feeding trigger assembly is arranged on one side of the automatic feeding and discharging bending assembly, and a bending fixing assembly is arranged on one side of the feeding trigger assembly. According to the automatic feeding and discharging bending device, the cambered surface is flat, the surface of a plate is evenly stressed, the bending position is accurately positioned, the surface of the plate subjected to arc bending is smooth and not prone to damage, the problems that most of existing bending devices are single in structure, workpieces are inconvenient to take and place, and workers are prone to be accidentally injured when the workpieces are taken and placed are solved through the automatic feeding and discharging bending assembly, precision is high, working efficiency is high, and practicability is high. The manufacturing is easy.

Description

Technical Field

[0001] The utility model relates to the field of arc bending of metal plates, and specifically, to an arc bending machine. Background Art

[0002] Sheet metal is a comprehensive cold working process for thin metal plates (usually below 6 mm), and its remarkable feature is that the thickness of the same part is consistent. In the actual metal sheet processing project, it is usually necessary to bend the sheet metal according to the construction or structural requirements. In the metal sheet bending process, the process of bending the metal sheet into an arc is relatively special. In this process, it is required to bend the metal sheet into an arc surface, and the arc surface is required to be flat, the stress on the surface of the sheet is uniform, the bending position is accurately positioned, and the surface of the sheet after bending the arc is smooth and not easily damaged. Most of the existing bending devices have a single structure, are inconvenient for taking and placing workpieces, are prone to accidentally injuring workers when taking and placing workpieces, have low precision, low work efficiency, and are not easy to manufacture. Content of the Utility Model

[0003] In view of the problems in the related art, the utility model provides an arc bending machine to overcome the above-mentioned technical problems existing in the related art.

[0004] For this purpose, the specific technical solution adopted by the utility model is as follows:

[0005] An arc bending machine includes a bending machine mounting frame, an automatic feeding and bending assembly is arranged outside the bending machine mounting frame, a feeding trigger assembly is arranged on one side of the automatic feeding and bending assembly, and a bending fixing assembly is arranged on one side of the feeding trigger assembly;

[0006] In order to achieve the function of automatic feeding and bending, the automatic feeding and bending assembly includes a feeding fixing plate, the feeding fixing plate is fixedly connected with the bending machine mounting frame, feeding electric push rods are symmetrically installed inside the feeding fixing plate, the output ends of the feeding electric push rods are connected with a feeding push plate, feeding sliding plates are symmetrically and slidably matched outside the feeding push plate, the feeding sliding plates are fixedly connected with the bending machine mounting frame, a bending mounting frame is connected outside the bending machine mounting frame, bending hydraulic rods are symmetrically installed inside the bending mounting frame, the output ends of the bending hydraulic rods are connected with a bending mounting plate, and a bending pushing block is arranged on one side of the bending mounting plate.

[0007] Further, a PLC controller is installed on one side of the bending machine mounting frame.

[0008] Further, the feeding electric push rod and the bending hydraulic rod are respectively electrically connected with the PLC controller.

[0009] Further, in order to achieve the function of feeding trigger, the feeding trigger assembly includes a trigger mounting plate with a trigger mounting groove formed inside. A contact switch is installed inside the trigger mounting groove, and a moving electric push rod is connected between the trigger mounting plate and the bending machine mounting frame.

[0010] Further, the contact switch and the moving electric push rod are respectively electrically connected to the PLC controller.

[0011] Further, in order to achieve the function of bending and fixing, the bending and fixing assembly includes a bending and fixing frame, and fixing hydraulic rods are symmetrically installed inside the bending and fixing frame. The output end of the fixing hydraulic rod is connected to a fixing lower pressing plate.

[0012] Further, the fixing hydraulic rod is electrically connected to the PLC controller.

[0013] The beneficial effects of the present utility model are as follows:

[0014] (1) The present utility model makes improvements to the prior art. In actual use, not only is the arc surface flat, the force on the surface of the plate is uniform, the bending position is accurately positioned, the surface of the sheet metal after folding the arc is smooth and not easily damaged, but also through the automatic feeding and bending assembly, it solves the problems that most of the existing bending devices have a single structure, it is inconvenient to pick and place workpieces, and it is easy to accidentally injure workers when picking and placing workpieces. It has high precision, high work efficiency and is easy to manufacture.

[0015] (2) In actual use, by setting the bending and fixing frame, the function of facilitating the installation of the fixing hydraulic rod is achieved. Under the fixation of the bending and fixing frame, the fixing hydraulic rod can drive the fixing lower pressing plate to move, so as to achieve the function of fixing the metal plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0017] Figure 1 is the main structural schematic diagram of a circular arc bending machine according to an embodiment of the present utility model;

[0018] Figure 2 is the three-dimensional view of a circular arc bending machine according to an embodiment of the present utility model.

[0019] Figure 3 is the structural schematic diagram of the automatic feeding and bending assembly in a circular arc bending machine according to an embodiment of the present utility model;

[0020] Figure 4 It is a schematic structural diagram of a feeding trigger assembly in an arc bending machine according to an embodiment of the present utility model.

[0021] In the figure:

[0022] 1. Bending machine mounting frame; 2. Automatic feeding and bending assembly; 201. Feeding fixing plate; 202. Feeding electric push rod; 203. Feeding push plate; 204. Feeding sliding plate; 205. Bending mounting frame; 206. Bending hydraulic rod; 207. Bending mounting plate; 208. Bending push block; 3. Feeding trigger assembly; 301. Trigger mounting plate; 302. Trigger mounting groove; 303. Contact switch; 304. Moving electric push rod; 4. Bending fixing assembly; 401. Bending fixing frame; 402. Fixed hydraulic rod; 403. Fixed lower pressing plate; 5. PLC controller. Specific embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] According to an embodiment of the present utility model, an arc bending machine is provided, which includes a bending machine mounting frame 1. An automatic feeding and bending assembly 2 is arranged outside the bending machine mounting frame 1. A feeding trigger assembly 3 is arranged on one side of the automatic feeding and bending assembly 2. A bending fixing assembly 4 is arranged on one side of the feeding trigger assembly 3.

[0025] As Figures 1-4 shown, for the arc bending machine according to an embodiment of the present utility model, the automatic feeding and bending assembly 2 includes a feeding fixing plate 201, the feeding fixing plate 201 is fixedly connected to the bending machine mounting frame 1. Inside the feeding fixing plate 201, feeding electric push rods 202 are symmetrically installed. The output end of the feeding electric push rod 202 is connected to a feeding push plate 203. Outside the feeding push plate 203, feeding sliding plates 204 are symmetrically slidably engaged. The feeding sliding plates 204 are fixedly connected to the bending machine mounting frame 1. Outside the bending machine mounting frame 1, a bending mounting frame 205 is connected. Inside the bending mounting frame 205, bending hydraulic rods 206 are symmetrically installed. The output end of the bending hydraulic rod 206 is connected to a bending mounting plate 207. A bending push block 208 is arranged on one side of the bending mounting plate 207. A PLC controller 5 is installed on one side of the bending machine mounting frame 1. The feeding electric push rod 202 and the bending hydraulic rod 206 are respectively electrically connected to the PLC controller 5.

[0026] Through the above technical solution, by setting the feeding fixed plate 201, the feeding electric push rod 202 can be fixed conveniently. The feeding electric push rod 202 can drive the feeding push plate 203 to move. When the feeding push plate 203 moves, it can drive the metal plate to move along the feeding sliding plate 204. After the metal plate is triggered by the feeding trigger assembly 3, the PLC controller 5 makes the feeding electric push rod 202 stop, and the bending and fixing assembly 4 fixes the metal plate. Then, the bending hydraulic rod 206 drives the bending mounting plate 207 to move under the fixation of the bending mounting frame 205. When the bending mounting plate 207 moves, it can drive the bending push block 208 to move, so as to bend the metal plate.

[0027] As Figures 1-4 shown, according to the arc bending machine of the embodiment of the present invention, the feeding trigger assembly 3 includes a trigger mounting plate 301. A trigger mounting groove 302 is formed inside the trigger mounting plate 301. A contact switch 303 is installed inside the trigger mounting groove 302. A moving electric push rod 304 is connected between the trigger mounting plate 301 and the bending machine mounting frame 1. The contact switch 303 and the moving electric push rod 304 are respectively electrically connected to the PLC controller 5.

[0028] Through the above technical solution, by setting the trigger mounting plate 301, the contact switch 303 can be installed conveniently through the trigger mounting groove 302. After the metal plate contacts the contact switch 303, the contact switch 303 respectively makes the feeding electric push rod 202 stop, and the bending hydraulic rod 206 and the fixing hydraulic rod 402 start through the PLC controller 5. The moving electric push rod 304 can drive the trigger mounting plate 301 to move.

[0029] As Figures 1-4 shown, according to the arc bending machine of the embodiment of the present invention, the bending and fixing assembly 4 includes a bending and fixing frame 401. Fixing hydraulic rods 402 are symmetrically installed inside the bending and fixing frame 401. The output end of the fixing hydraulic rod 402 is connected with a fixing lower pressing plate 403. The fixing hydraulic rod 402 is electrically connected to the PLC controller 5.

[0030] Through the above technical solution, by setting the bending and fixing frame 401, the fixing hydraulic rod 402 can be installed conveniently. The fixing hydraulic rod 402 can drive the fixing lower pressing plate 403 to move under the fixation of the bending and fixing frame 401, so as to fix the metal plate.

[0031] To facilitate the understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process will be described in detail below.

[0032] In summary, by means of the above technical solution of the present utility model, by setting the feeding fixed plate 201, the feeding electric push rod 202 can be fixed conveniently. The feeding electric push rod 202 can drive the feeding push plate 203 to move. When the feeding push plate 203 moves, it can drive the metal plate to move along the feeding sliding plate 204. After the metal plate is triggered by the feeding trigger assembly 3, the PLC controller 5 makes the feeding electric push rod 202 stop, and the bending and fixing assembly 4 fixes the metal plate. Then, the bending hydraulic rod 206 drives the bending mounting plate 207 to move under the fixation of the bending mounting frame 205. When the bending mounting plate 207 moves, it can drive the bending push block 208 to move, so as to bend the metal plate.

[0033] By setting the trigger mounting plate 301, the contact switch 303 can be installed conveniently through the trigger mounting groove 302. After the metal plate contacts the contact switch 303, the contact switch 303 makes the feeding electric push rod 202 stop, and the bending hydraulic rod 206 and the fixing hydraulic rod 402 start respectively through the PLC controller 5. The moving electric push rod 304 can drive the trigger mounting plate 301 to move.

[0034] By setting the bending fixing frame 401, the fixing hydraulic rod 402 can be installed conveniently. The fixing hydraulic rod 402 can drive the fixing lower pressing plate 403 to move under the fixation of the bending fixing frame 401, so as to fix the metal plate.

[0035] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A circular bending machine, characterized in that: It comprises a bending machine mounting frame (1), wherein an automatic feeding and discharging bending assembly (2) is arranged on the periphery of the bending machine mounting frame (1), a feeding trigger assembly (3) is arranged on one side of the automatic feeding and discharging bending assembly (2), and a bending fixing assembly (4) is arranged on one side of the feeding trigger assembly (3); The automatic feeding and unloading bending assembly (2) comprises a feeding fixed plate (201), the feeding fixed plate (201) is fixedly connected to the bending machine mounting frame (1), a feeding electric push rod (202) is symmetrically installed inside the feeding fixed plate (201), the output end of the feeding electric push rod (202) is connected to a feeding push plate (203), the outer periphery of the feeding push plate (203) is symmetrically slidably matched with a feeding sliding plate (204), the feeding sliding plate (204) is fixedly connected to the bending machine mounting frame (1), the outer periphery of the bending machine mounting frame (1) is connected to a bending mounting frame (205), a bending hydraulic rod (206) is symmetrically installed inside the bending mounting frame (205), the output end of the bending hydraulic rod (206) is connected to a bending mounting plate (207), and a bending pushing block (208) is provided on one side of the bending mounting plate (207).

2. The circular arc bending machine according to claim 1, characterized in that: A PLC controller (5) is installed on one side of the bending machine mounting frame (1).

3. The circular arc bending machine according to claim 2, characterized in that: The feeding electric push rod (202) and the bending hydraulic rod (206) are electrically connected to the PLC controller (5) respectively.

4. The circular arc bending machine according to claim 3, characterized in that: The feed trigger assembly (3) comprises a trigger mounting plate (301), a trigger mounting groove (302) is provided inside the trigger mounting plate (301), a contact switch (303) is installed inside the trigger mounting groove (302), and a movable electric push rod (304) is connected between the trigger mounting plate (301) and the bending machine mounting frame (1).

5. The circular arc bending machine according to claim 4, characterized in that: The contact switch (303) and the movable electric push rod (304) are electrically connected to the PLC controller (5) respectively.

6. The circular arc bending machine according to claim 5, characterized in that: The bending and fixing assembly (4) comprises a bending and fixing frame (401), a fixed hydraulic rod (402) is symmetrically installed inside the bending and fixing frame (401), and the output end of the fixed hydraulic rod (402) is connected to a fixed lower pressing plate (403).

7. The circular arc bending machine according to claim 6, characterized in that: The fixed hydraulic rod (402) is electrically connected to the PLC controller (5).

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