Longitudinal extrusion fixing device for numerical control bending machine

By introducing a clamping assembly into a CNC bending machine, and using a cylinder to drive the connecting plate to push the connecting arm and the connecting frame, stable clamping of the workpiece is achieved, solving the problem of low efficiency of the lead screw drive, and improving the fixing efficiency and the practicality of the equipment.

CN223505963UActive Publication Date: 2025-11-04NANTONG NEW WESTERN MACHINE TOOL CO LTD
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Patent Information

Application Number
CN202423072797.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-11-04
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The existing screw-driven clamping structure of CNC bending machines is inefficient and prone to slippage after prolonged use, resulting in poor clamping efficiency and service life.

Method used

The clamping assembly includes a pressing unit and a linkage unit. The connecting plate is driven by a cylinder to push the connecting arm and the connecting frame, which in turn drives the clamping frame to rotate and clamp the workpiece from both sides, ensuring the stability of the workpiece during processing.

Benefits of technology

It improves the clamping stability and fixing efficiency of the workpiece, reduces damage to the equipment's fixing structure, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of numerical control bending machines, in particular to a longitudinal extrusion fixing device for a numerical control bending machine, which comprises a rack, a machine body and a distribution box, the machine body is mounted on the upper surface of the rack, the distribution box is mounted on the inner wall of the rack and electrically connected with the machine body, a controller is mounted on the side surface of the machine body, and the controller is electrically connected with the machine body. The controller is electrically connected with the machine body, a mold is installed on the upper surface of the machine frame, a clamping assembly is arranged on the surface of the machine frame, the clamping assembly comprises an extrusion unit, the extrusion unit comprises an assembling frame, and the assembling frame is fixedly connected with the side surface of the machine frame. According to the equipment fixing structure, by arranging the clamping assembly, the fixing efficiency of the equipment fixing structure can be improved while the workpiece clamping effect of equipment is ensured, then the problems that the equipment fixing structure is low in fixing efficiency and prone to damage are solved, and the practicability of the equipment fixing structure is further improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control bending machine technical field especially, relates to a longitudinal extrusion fixing device for numerical control bending machine. BACKGROUND

[0002] Numerical control bending machine is advanced metal processing equipment that combines numerical control technology on the basis of traditional bending machine, which accurately controls various parameters in the bending process such as pressure, stroke, angle, etc. through computer numerical control system. The main structure is composed of machine body, workbench, high-precision bending die, and advanced hydraulic or servo drive system. Numerical control bending machine can automatically complete the bending operation of metal plate according to the preset program, has very high processing precision and repeat accuracy, and can realize bending processing of complex shape and high precision.

[0003] Prior art such as the utility model with publication number CN217095139U discloses an intelligent numerical control bending machine longitudinal extrusion fixing device. The patent adopts a base, the base is internally provided with an extrusion mechanism and a fixing mechanism, one side of the base is fixedly connected with a motor, the extrusion mechanism comprises a first rotating shaft, the first rotating shaft is fixedly connected to the motor output end, two cavities are formed in the base, the first rotating shaft extends into the two cavities, a first bevel gear is embedded in each of the two cavities, the two first bevel gears are fixedly sleeved on the outside of the first rotating shaft, a second bevel gear is arranged on the top of each of the two first bevel gears, a second rotating shaft is fixedly embedded in each of the two second bevel gears. The utility model has the advantages that it improves the efficiency of the bending machine work, and the device is convenient for fixing and clamping the product, convenient for users to operate. In addition, the device reduces the intervention of manual work, prevents manual operation multiple times, reduces the cost loss, solves the problem that the product will deviate when the pressing plate extrudes the product during the use of the existing numerical control bending machine, the existing bending machine device cannot effectively fix the product, and the existing fixing device needs manual installation and disassembly, which affects the bending efficiency.

[0004] During the use of numerical control bending machine to process workpieces, there exists a fixing device used by the existing bending machine such as the above-mentioned one. The motor is used for driving, and during the driving process, the motor needs to cooperate with the screw rod to adjust the position of the clamping structure on both sides. Since the efficiency of the screw rod driving the clamping structure is relatively low, and the screw rod will slip after long-term use, the clamping efficiency of the clamping mechanism driven by the motor is relatively low, and the service life is poor. UTILITY MODEL CONTENTS

[0005] The purpose of this invention is to address the shortcomings of existing screw-driven clamping structures, which have low efficiency and slippage after prolonged use, resulting in low clamping efficiency and poor service life of motor-driven clamping mechanisms. Therefore, this invention proposes a longitudinal extrusion fixing device for CNC bending machines.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a longitudinal extrusion fixing device for a CNC bending machine, comprising a frame, a body, and a power distribution box. The body is mounted on the upper surface of the frame, and the power distribution box is mounted on the inner wall of the frame. The power distribution box is electrically connected to the body. A controller is mounted on the side surface of the body and is electrically connected to the body. A mold is mounted on the upper surface of the frame. A clamping assembly is provided on the surface of the frame. The clamping assembly includes an extrusion unit. The extrusion unit includes an assembly frame. The assembly frame is fixedly connected to the side surface of the frame. A rotating shaft is rotatably connected to the inner wall of the assembly frame. A clamping frame is fixedly connected to the surface of the rotating shaft. A linkage frame is fixedly connected to the side of the clamping frame away from the frame.

[0007] The clamping assembly further includes a linkage unit, which includes a positioning frame. The positioning frame is fixedly connected to the lower surface of the frame. A cylinder is fixedly connected to the lower surface of the positioning frame. A connecting plate is fixedly connected to the driving end of the cylinder. Both ends of the connecting plate are provided with mounting cavities. A connecting arm is installed on the inner wall of the mounting cavity of the connecting plate. A connecting frame is slidably connected to the surface of the linkage frame.

[0008] Preferably, the surface of the clamping frame is fixedly connected with reinforcing ribs, which can increase the structural strength of the clamping frame and improve its clamping stability.

[0009] Preferably, a limiting plate is fixedly connected to the inner wall of the positioning frame, a slider is fixedly connected to the side surface of the connecting plate, a guide groove is provided on the surface of the limiting plate, and the slider is slidably connected to the inner wall of the guide groove. The positioning frame can support and fix the position of the cylinder to ensure the stability of the cylinder in use.

[0010] Preferably, the clamping frame is in contact with the side surface of the machine frame, and there are two clamping frames arranged symmetrically about the machine frame. The clamping frames can clamp and restrict the workpiece placed in the processing area of ​​the equipment in the clamping state.

[0011] Preferably, the connecting arm is rotatably connected to the inner wall of the connecting frame, and both ends of the connecting arm are arc-shaped. The connecting arm can connect the connecting frame and the connecting plate, thereby ensuring that the connecting arm can move when the connecting plate moves.

[0012] Preferably, the limiting plate is in contact with the side surface of the connecting plate, and there are two limiting plates. The two limiting plates are arranged symmetrically about the connecting plate. The movement direction of the connecting plate can be guided by the cooperation between the limiting plate and the slider.

[0013] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0014] In this invention, by setting up a clamping assembly, during processing, the workpiece is placed above the mold, and the controller is operated. The controller, in conjunction with the power distribution box, controls the machine body to work. The machine body is powered on, driving the bending cutter to move. The bending cutter moves to the surface of the workpiece and, in conjunction with the mold, bends the workpiece. When the workpiece is placed on the mold, the controller is operated, and the controller controls the cylinder to work. The cylinder pushes the connecting plate upward. Under the guidance of the limit plate and the slider, the connecting plate pushes the connecting arms on both sides upward. The connecting arms lift the connecting frame, and the connecting frame, under force, pushes the linkage frame. While pushing the linkage frame, the connecting frame slides along the direction of the linkage frame. Then, with the cooperation of the linkage frame, the connecting frame pushes the clamping frame upward. The clamping frame rotates under the guidance of the rotating shaft and the assembly frame, and clamps the workpiece from both sides, thereby ensuring the stability of the workpiece during processing. By setting up the clamping assembly, while ensuring the clamping effect of the equipment on the workpiece, the fixing efficiency of the equipment's fixing structure can be improved, thereby reducing the problem of low fixing efficiency and easy damage of the equipment's fixing structure, and further improving the practicality of the equipment's fixing structure. Attached Figure Description

[0015] Figure 1 This utility model provides a three-dimensional structural diagram of a longitudinal extrusion fixing device for a CNC bending machine;

[0016] Figure 2 This utility model provides a bottom view of the longitudinal extrusion fixing device for a CNC bending machine;

[0017] Figure 3 This utility model provides a schematic diagram of the clamping component structure of a longitudinal extrusion fixing device for a CNC bending machine;

[0018] Figure 4 This utility model proposes a longitudinal extrusion fixing device for a CNC bending machine. Figure 3 Schematic diagram of the structure at point A in the middle;

[0019] Figure 5 This utility model proposes a longitudinal extrusion fixing device for a CNC bending machine. Figure 3 Schematic diagram of the structure at point B.

[0020] Legend:

[0021] 1. Frame; 2. Machine body; 3. Power distribution box; 4. Controller; 5. Mold; 6. Clamping assembly; 61. Extrusion unit; 611. Assembly frame; 612. Rotary shaft; 613. Clamping frame; 614. Reinforcing rib; 615. Linkage frame; 62. Linkage unit; 621. Positioning frame; 622. Cylinder; 623. Connecting plate; 624. Connecting arm; 625. Connecting frame; 626. Limiting plate; 627. Slider. Detailed Implementation

[0022] Please see Figures 1-5 This utility model provides a technical solution: a longitudinal extrusion fixing device for a CNC bending machine, including a frame 1, a body 2 and a power distribution box 3. The body 2 is installed on the upper surface of the frame 1. The power distribution box 3 is installed on the inner wall of the frame 1 and is electrically connected to the body 2. A controller 4 is installed on the side surface of the body 2 and is electrically connected to the body 2. A mold 5 is installed on the upper surface of the frame 1 and a clamping assembly 6 is provided on the surface of the frame 1.

[0023] In this embodiment: the clamping assembly 6 includes a pressing unit 61, the pressing unit 61 includes an assembly frame 611, the assembly frame 611 is fixedly connected to the side surface of the frame 1, the inner wall of the assembly frame 611 is rotatably connected to a rotating shaft 612, the surface of the rotating shaft 612 is fixedly connected to a clamping frame 613, and the side of the clamping frame 613 away from the frame 1 is fixedly connected to a linkage frame 615.

[0024] The clamping assembly 6 also includes a linkage unit 62, which includes a positioning frame 621. The positioning frame 621 is fixedly connected to the lower surface of the frame 1. A cylinder 622 is fixedly connected to the lower surface of the positioning frame 621. A connecting plate 623 is fixedly connected to the drive end of the cylinder 622. Both ends of the connecting plate 623 are provided with mounting cavities. A connecting arm 624 is installed on the inner wall of the mounting cavity of the connecting plate 623. A connecting frame 625 is slidably connected to the surface of the linkage frame 615.

[0025] Specifically, the surface of the clamping frame 613 is fixedly connected with reinforcing ribs 614. The reinforcing ribs 614 can increase the structural strength of the clamping frame 613 and improve the clamping stability of the clamping frame 613.

[0026] Specifically, a limiting plate 626 is fixedly connected to the inner wall of the positioning frame 621, and a slider 627 is fixedly connected to the side surface of the connecting plate 623. A guide groove is provided on the surface of the limiting plate 626, and the slider 627 is slidably connected to the inner wall of the guide groove.

[0027] In this embodiment, the position of the cylinder 622 can be supported and fixed by the positioning bracket 621 to ensure the stability of the cylinder 622 in use.

[0028] Specifically, the clamping frame 613 is in contact with the side surface of the frame 1. There are two clamping frames 613, which are arranged symmetrically about the frame 1. The clamping frames 613 can clamp and restrict the workpiece placed in the processing area of ​​the equipment in the clamping state.

[0029] In this embodiment: the connecting arm 624 is rotatably connected to the inner wall of the connecting frame 625, and both ends of the connecting arm 624 are arc-shaped.

[0030] In this embodiment, the connecting arm 624 can connect the connecting frame 625 and the connecting plate 623, thereby ensuring that the connecting plate 623 can move the connecting arm 624 when it moves.

[0031] Specifically, the limiting plate 626 contacts the side surface of the connecting plate 623. There are two limiting plates 626, which are symmetrically arranged about the front and back of the connecting plate 623. Through the cooperation of the limiting plate 626 and the slider 627, the movement direction of the connecting plate 623 can be guided.

[0032] Working principle: During processing, the workpiece is placed above the mold 5. The controller 4 is operated, and the controller 4, in conjunction with the power distribution box 3, controls the machine body 2. The machine body 2 is powered on, driving the bending cutter to move. The bending cutter moves to the surface of the workpiece and, in conjunction with the mold 5, bends the workpiece. When the workpiece is placed on the mold 5, the controller 4 is operated, and the controller 4 controls the cylinder 622 to work. The cylinder 622 pushes the connecting plate 623 upward. Under the guidance of the limit plate 626 and the slider 627, the connecting plate 623 pushes the connecting arms 624 on both sides upward. The connecting arms 624 lift the connecting frame 625. The connecting frame 625, under the force, pushes the linkage frame 615. While pushing the linkage frame 615, the 25 slides along the direction of the linkage frame 615. Then, with the cooperation of the linkage frame 615, the connecting frame 625 pushes the clamping frame 613 upward. The clamping frame 613 rotates under the guidance of the rotating shaft 612 and the assembly frame 611, and clamps the workpiece from both sides, thereby ensuring the stability of the workpiece during processing. By setting the clamping component 6, while ensuring the clamping effect of the equipment on the workpiece, the fixing efficiency of the equipment fixing structure can be improved, thereby reducing the problem of low fixing efficiency and easy damage of the equipment fixing structure, and further improving the practicality of the equipment fixing structure.

Claims

1. A longitudinal extrusion fixing device for a CNC bending machine, comprising a frame (1), a machine body (2), and an electrical distribution box (3), characterized in that: The machine body (2) is mounted on the upper surface of the frame (1). A power distribution box (3) is installed on the inner wall of the frame (1). The power distribution box (3) is electrically connected to the machine body (2). A controller (4) is installed on the side surface of the machine body (2). The controller (4) is electrically connected to the machine body (2). A mold (5) is installed on the upper surface of the frame (1). A clamping assembly (6) is provided on the surface of the frame (1). The clamping assembly (6) includes an extrusion unit (61). The extrusion unit (61) includes an assembly frame (611). The assembly frame (611) is fixedly connected to the side surface of the frame (1). A rotating shaft (612) is rotatably connected to the inner wall of the assembly frame (611). A clamping frame (613) is fixedly connected to the surface of the rotating shaft (612). A linkage frame (615) is fixedly connected to the side of the clamping frame (613) away from the frame (1). The clamping assembly (6) further includes a linkage unit (62), which includes a positioning frame (621). The positioning frame (621) is fixedly connected to the lower surface of the frame (1). A cylinder (622) is fixedly connected to the lower surface of the positioning frame (621). A connecting plate (623) is fixedly connected to the driving end of the cylinder (622). Both ends of the connecting plate (623) are provided with mounting cavities. A connecting arm (624) is installed on the inner wall of the mounting cavity of the connecting plate (623). A connecting frame (625) is slidably connected to the surface of the linkage frame (615).

2. The longitudinal extrusion fixing device for a CNC bending machine according to claim 1, characterized in that: The surface of the clamping frame (613) is fixedly connected with reinforcing ribs (614).

3. The longitudinal extrusion fixing device for a CNC bending machine according to claim 1, characterized in that: The inner wall of the positioning frame (621) is fixedly connected to a limiting plate (626), and the side surface of the connecting plate (623) is fixedly connected to a slider (627). The surface of the limiting plate (626) is provided with a guide groove, and the slider (627) is slidably connected to the inner wall of the guide groove.

4. The longitudinal extrusion fixing device for a CNC bending machine according to claim 1, characterized in that: The clamping frame (613) is in contact with the side surface of the frame (1). There are two clamping frames (613), and the two clamping frames (613) are arranged symmetrically about the frame (1).

5. The longitudinal extrusion fixing device for a CNC bending machine according to claim 1, characterized in that: The connecting arm (624) is rotatably connected to the inner wall of the connecting frame (625), and both ends of the connecting arm (624) are arc-shaped.

6. The longitudinal extrusion fixing device for a CNC bending machine according to claim 3, characterized in that: The limiting plate (626) is in contact with the side surface of the connecting plate (623). There are two limiting plates (626), and the two limiting plates (626) are arranged symmetrically about the connecting plate (623).

Citation Information

Patent Citations

  • Longitudinal extrusion fixing device of intelligent numerical control bending machine

    CN217095139U