Numerical control cold bending machine capable of preventing plate displacement

Abstract

The utility model relates to a cold bending machine, belongs to the technical field of plate processing, in particular to a numerical control cold bending machine capable of preventing plates from shifting, which comprises an operation table and a bending table, the sides, close to each other, of the operation table and the bending table are fixedly connected, a hydraulic cylinder is arranged on the bending table, the output end of the hydraulic cylinder is fixedly connected with a pressing block, and the pressing block is fixedly connected with the operation table. A pressing roller is arranged in the pressing block, and an auxiliary fixing assembly and a pressing assembly are arranged on the operation table. When cold bending operation is carried out, a plate can be stably clamped and fixed, the plate is prevented from deviating due to pressure in the cold bending process, the precision of cold bending machining is guaranteed, the cold bending forming effect is guaranteed, and the production efficiency is improved. The problem that when an existing cold bending machine conducts cold bending operation, the machining effect and precision are affected badly due to the fact that a profile plate deflects is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plate processing, in particular to a numerical control cold bending machine for preventing plate displacement. Background Art

[0002] Cold bending is a metal processing method. Metal plates and strips are mechanically bent into profiles of a certain shape and size at room temperature. Common processing methods include roll bending, press bending, drawing bending and bending, and cold bending machines are a type of machinery commonly used in cold bending processing technology.

[0003] In the prior art, a mobile cold bending machine disclosed in a Chinese patent with announcement number CN208098981U includes a cold bending machine body, the cold bending machine body includes a bottom plate one and a bottom plate two, a roller and a connecting plate are arranged between the bottom plate one and the bottom plate two, the connecting plate is installed at the bottom of the roller, a fixing block and a connecting shaft are arranged at the bottom of the bottom plate one and the bottom plate two, a through hole is arranged on the fixing block, a roller is arranged on one side of the fixing block, one end of the connecting shaft passes through the through hole on the fixing block and is connected with the roller, a connecting frame is arranged on one side of the bottom plate one and the bottom plate two, a frame two is arranged on the top of the bottom plate one, a roller two and a transmission shaft are arranged in the frame two, the roller two is sleeved on the transmission shaft, a pulley two is arranged on the top of the frame two, a hole is arranged on the frame two, one end of the transmission shaft passes through the hole of the frame two and is connected with the pulley two, the mobile cold bending machine is reasonably designed, it is more convenient to move, and it is easier to pre-bend.

[0004] However, this patent still has some shortcomings. When the device performs the bending operation, since the sheet materials are placed on the rollers, and the rollers are constantly rotating during use, the sheet materials are very likely to deflect during the bending operation, resulting in poor bending effect or reduced bending accuracy. Therefore, a CNC cold bending machine that prevents sheet material from shifting is proposed to solve the above problem. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes a CNC cold bending machine that prevents the displacement of the plate. During the cold bending operation, the plate can be firmly clamped and fixed to prevent the plate from being offset due to pressure during the cold bending process, thereby ensuring the accuracy of the cold bending process and the effect of the cold bending forming.

[0006] The technical solution to achieve the purpose of the utility model is: a CNC cold bending machine for preventing plate displacement, comprising an operating table and a press bending table, the operating table and the press bending table are fixedly connected on one side close to each other, a hydraulic cylinder is arranged on the press bending table, a pressure block is fixedly connected to the output end of the hydraulic cylinder, a pressure roller is arranged in the pressure block, and an auxiliary fixing component and a clamping component are respectively arranged on the operating table.

[0007] In some embodiments, the auxiliary fixing assembly includes a hollow groove opened on the upper surface of the operating table, the inner bottom wall of the hollow groove is fixedly connected to a fixing block, a bidirectional threaded screw is rotatably connected in the fixing block, and a drive motor is fixedly connected to one side of the operating table, and the drive motor is coaxially fixed with the bidirectional threaded screw.

[0008] In some embodiments, the auxiliary fixing assembly further includes two movable support plates, the bottom ends of the two movable support plates are threadedly connected to the bidirectional threaded screw, and the upper surfaces of the two movable support plates are slidably connected to mounting frames.

[0009] In some embodiments, a spring is fixedly connected to one side of the mounting frame, a side of the spring away from the mounting frame is fixedly connected to one side of the movable support plate, and an inner bottom wall of the mounting frame is rotatably connected to a plurality of movable rollers.

[0010] In some embodiments, the clamping assembly includes a clamping frame fixedly connected to the upper surface of the operating table, a sliding column is slidably connected to the upper surface of the clamping frame, and a clamping plate is fixedly connected to the bottom end of the sliding column.

[0011] In some embodiments, the clamping assembly further includes a telescopic motor fixedly connected to the upper surface of the operating table, and an output end of the telescopic motor is fixedly connected to the upper surface of the clamping plate.

[0012] Compared with the prior art, the present invention has the following significant advantages:

[0013] The utility model provides an auxiliary fixing component and a clamping component, starts a driving motor, and the driving motor drives the bidirectional threaded screw to rotate, so that the two moving support plates move in the direction of approaching each other, and finally the moving roller contacts the two sides of the plate, and then starts the telescopic motor to lower the clamping plate and clamp and fix the plate, so that the plate can be firmly clamped and fixed during the cold bending operation, and the plate can be prevented from being deflected due to pressure during the cold bending process. At the same time, the arrangement of the moving roller and the spring can ensure that the plate can move smoothly during the continuous cold bending process, and the continuity of the cold bending operation is ensured.

[0014] The invention solves the problem that the processing effect and precision are adversely affected due to the deflection of the profile plate when the existing cold bending machine is performing the cold bending operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a schematic diagram of the main structure provided in one embodiment of the utility model;

[0017] Figure 2It is a schematic diagram of the structure of a clamping assembly provided in one embodiment of the utility model;

[0018] Figure 3 It is a schematic structural diagram of an auxiliary fixing assembly (top view) provided in one embodiment of the utility model.

[0019] Description of reference numerals:

[0020] 1. Operating table; 2. Bending table; 3. Hydraulic cylinder; 4. Pressure block; 5. Pressure roller; 6. Auxiliary fixing assembly; 601. Fixing block; 602. Bidirectional threaded screw; 603. Driving motor; 604. Moving support plate; 605. Mounting frame; 606. Spring; 607. Moving roller; 7. Clamping assembly; 701. Clamping frame; 702. Sliding column; 703. Clamping plate; 704. Telescopic motor. DETAILED DESCRIPTION

[0021] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides a CNC cold bending machine for preventing plate displacement through improvement. The technical solution of the utility model is:

[0023] like Figure 1 As shown, a CNC cold bending machine for preventing plate displacement includes an operating table 1 and a bending table 2. The operating table 1 and the bending table 2 are fixedly connected on one side close to each other. The operating table 1 and the bending table 2 are connected by bolts. A hydraulic cylinder 3 is arranged on the bending table 2. A pressure block 4 is fixedly connected to the output end of the hydraulic cylinder 3. A pressure roller 5 is arranged in the pressure block 4. The operating table 1 and the bending table 2 are provided with mutually connected slide grooves, and the pressure block 4 slides by means of the slide grooves. An auxiliary fixing component 6 and a clamping component 7 are respectively arranged on the operating table 1.

[0024] It should be noted that during the cold bending process, the device requires an external auxiliary traction device as a power source for pulling the plate. Since it is no different from the prior art, it will not be described in detail in this application.

[0025] like Figure 2As shown, in one embodiment, the clamping assembly 7 includes a clamping frame 701 fixedly connected to the upper surface of the operating table 1, and a sliding hole adapted to the sliding column 702 is opened through the top surface of the clamping frame 701, and the upper surface of the clamping frame 701 is slidably connected to the sliding column 702. In order to maintain uniform force and stability, there are two sliding columns 702, and the bottom end of the sliding column 702 is fixedly connected to a clamping plate 703;

[0026] The clamping assembly 7 also includes a telescopic motor 704 fixedly connected to the upper surface of the operating table 1 . The telescopic motor 704 is arranged at the midpoint of the distance between the two sliding columns 702 . The output end of the telescopic motor 704 is fixedly connected to the upper surface of the clamping plate 703 .

[0027] like Figure 3 As shown, in one embodiment, the auxiliary fixing assembly 6 includes an empty slot opened on the upper surface of the operating table 1. To ensure stability, the auxiliary fixing assembly 6 has two groups, which are respectively arranged at the head and tail of the operating table 1, that is, the head and tail of the plate. The inner bottom wall of the empty slot is fixedly connected with a fixing block 601, and a hole adapted to the bidirectional threaded screw 602 is arranged in the fixing block 601. The bidirectional threaded screw 602 is rotatably connected in the fixing block 601. A driving motor 603 is fixedly connected to one side of the operating table 1, and the driving motor 603 is coaxially fixed with the bidirectional threaded screw 602.

[0028] The auxiliary fixing assembly 6 also includes two movable support plates 604, which are L-shaped. The bottom ends of the two movable support plates 604 are both located in the empty slot. The bottom ends of the two movable support plates 604 are both screwed to the bidirectional threaded screw 602. The two movable support plates 604 are equidistantly distributed on both sides of the empty slot center line as the axis. The upper surfaces of the two movable support plates 604 are slidably connected to mounting brackets 605.

[0029] A spring 606 is fixedly connected to one side of the mounting frame 605. In order to maintain balance, multiple springs 606 are provided. The side of the spring 606 away from the mounting frame 605 is fixedly connected to one side of the movable support plate 604. The inner bottom wall of the mounting frame 605 is rotatably connected to a plurality of movable rollers 607.

[0030] The specific working method is: when the CNC cold bending machine for preventing the plate from shifting is used, the plate to be cold bent is first placed under the clamping plate 703, and the moving rollers 607 on both sides are in contact with its side edges, and then the auxiliary fixing assembly 6 and the clamping assembly 7 are used to fix it, respectively. The specific operation is to start the drive motor 603, and the drive motor 603 drives the bidirectional threaded screw 602 to rotate, so that the two moving support plates 604 move in a direction close to each other, and finally make the moving rollers 607 contact both sides of the plate, and then start the telescopic motor 704, lower the clamping plate 703 and clamp and fix the plate, that is, the limiting of the plate is completed, and then start the hydraulic cylinder 3, and the hydraulic cylinder 3 drives the pressure block 4 to squeeze the plate, and the plate is bent for processing.

[0031] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A CNC cold bending machine for preventing plate displacement, comprising an operating table (1) and a bending table (2), characterized in that: The operating table (1) is fixedly connected to the side of the bending table (2) close to each other, the bending table (2) is provided with a hydraulic cylinder (3), the output end of the hydraulic cylinder (3) is fixedly connected to a pressure block (4), a pressure roller (5) is provided in the pressure block (4), and the operating table (1) is respectively provided with an auxiliary fixing component (6) and a clamping component (7).

2. A CNC cold bending machine for preventing plate displacement according to claim 1, characterized in that: The auxiliary fixing assembly (6) comprises a hollow groove formed on the upper surface of the operating table (1); a fixing block (601) is fixedly connected to the inner bottom wall of the hollow groove; a bidirectional threaded screw (602) is rotatably connected inside the fixing block (601); a driving motor (603) is fixedly connected to one side of the operating table (1); and the driving motor (603) is coaxially fixed to the bidirectional threaded screw (602).

3. A CNC cold bending machine for preventing plate displacement according to claim 2, characterized in that: The auxiliary fixing assembly (6) further comprises two movable support plates (604), the bottom ends of the two movable support plates (604) are both threadedly connected to the bidirectional threaded screw rod (602), and the upper surfaces of the two movable support plates (604) are both slidably connected to a mounting frame (605).

4. A CNC cold bending machine for preventing plate displacement according to claim 3, characterized in that: A spring (606) is fixedly connected to one side of the mounting frame (605), and a side of the spring (606) away from the mounting frame (605) is fixedly connected to one side of the movable support plate (604). The inner bottom wall of the mounting frame (605) is rotatably connected to a plurality of movable rollers (607).

5. The CNC cold bending machine for preventing plate displacement according to claim 1 is characterized in that: The clamping assembly (7) comprises a clamping frame (701) fixedly connected to the upper surface of the operating table (1); the upper surface of the clamping frame (701) is slidably connected to a sliding column (702); and the bottom end of the sliding column (702) is fixedly connected to a clamping plate (703).

6. A CNC cold bending machine for preventing plate displacement according to claim 5, characterized in that: The clamping assembly (7) further comprises a telescopic motor (704) fixedly connected to the upper surface of the operating table (1), and an output end of the telescopic motor (704) is fixedly connected to the upper surface of the clamping plate (703).

Images