Longitudinal extrusion fixing device for numerical control bending machine
Technical Field
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.
Background
The numerical control bending machine is advanced metal processing equipment which integrates numerical control technology on the basis of the traditional bending machine, various parameters in the bending process, such as pressure, travel, angle and the like, are precisely controlled by a computer numerical control system, a main body structure of the numerical control bending machine is formed by a machine body, a workbench, a high-precision bending die, an advanced hydraulic or servo driving system and the like, the numerical control bending machine can automatically complete bending operation on a metal plate according to a preset program, and the numerical control bending machine has extremely high processing precision and repeated precision and can realize bending processing with complex shape and high precision requirements.
The utility model such as CN217095139U discloses a longitudinal extrusion fixing device of an intelligent numerical control bending machine, which comprises a base, wherein an extrusion mechanism and a fixing mechanism are arranged in the base, a motor is fixedly connected to one side of the base, the extrusion mechanism comprises a first rotating shaft which is fixedly connected to an output end of the motor, two cavities are formed in the base, the first rotating shaft extends to the inside of the two cavities, first bevel gears are embedded in the two cavities, the two first bevel gears are fixedly sleeved outside the first rotating shaft, second bevel gears are arranged at the tops of the two first bevel gears, and second rotating shafts are fixedly embedded in the two second bevel gears.
In the process of processing a workpiece by using a numerical control bending machine, the fixing device used by the existing bending machine is driven by adopting a motor, and the motor needs to be matched with a screw rod to adjust the positions of clamping structures on two sides in the driving process.
Disclosure of utility model
The utility model aims to solve the defects that in the prior art, the efficiency of a screw rod driving clamping structure is low, sliding wires can occur after long-time use, the clamping efficiency of a motor driving clamping mechanism is low, and the service life is poor.
In order to achieve the purpose, the vertical extrusion fixing device for the numerical control bending machine comprises a frame, a machine body and a distribution box, wherein the machine body is arranged on the upper surface of the frame, the distribution box is arranged on the inner wall of the frame, the distribution box is electrically connected with the machine body, a controller is arranged on the side surface of the machine body, the controller is electrically connected with the machine body, a die is arranged on the upper surface of the frame, a clamping assembly is arranged on the surface of the frame, the clamping assembly comprises an extrusion unit, the extrusion unit comprises an assembly frame, the assembly frame is fixedly connected with 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, and a linkage frame is fixedly connected to one side of the clamping frame, which is far away from the frame;
The clamping assembly further comprises a linkage unit, the linkage unit comprises a positioning frame, the positioning frame is fixedly connected with the lower surface of the frame, an air cylinder is fixedly connected with the lower surface of the positioning frame, a connecting plate is fixedly connected with the driving end of the air cylinder, mounting cavities are formed in two ends of the connecting plate, connecting arms are mounted on the inner wall of the mounting cavities, and connecting frames are connected with the surfaces of the linkage frame in a sliding mode.
Preferably, the surface fixedly connected with strengthening rib of holder can increase the structural strength of holder through the strengthening rib to improve the centre gripping stability of holder.
Preferably, the inner wall fixedly connected with limiting plate of locating rack, the side surface fixedly connected with slider of connecting plate, the guiding groove has been seted up to the surface of limiting plate, the inner wall sliding connection of slider and guiding groove can support fixedly the position of cylinder through the locating rack to ensure the stability of cylinder under the user state.
Preferably, the clamping frames are in contact with the side surface of the frame in a direction, the number of the clamping frames is two, the two clamping frames are symmetrically arranged left and right relative to the frame, and workpieces placed in a machining area of the equipment can be clamped and limited in a clamping state through the clamping frames.
Preferably, the connecting arm is rotationally connected with the inner wall of the connecting frame, both ends of the connecting arm are arc-shaped, and the connecting frame and the connecting plate can be connected through the connecting arm, so that the connecting arm can be driven to move when the connecting plate moves.
Preferably, the limiting plates are in contact with the side surfaces of the connecting plates, the number of the limiting plates is two, the two limiting plates are arranged in a front-back symmetrical mode relative to the connecting plates, and the moving direction of the connecting plates can be guided through the cooperation of the limiting plates and the sliding blocks.
Compared with the prior art, the utility model has the advantages and positive effects that:
When the workpiece is placed on the die, the controller controls the air cylinder to work, the air cylinder pushes the connecting plate upwards, the connecting plate pushes the connecting arms on two sides upwards under the guidance of the limiting plate and the sliding block, the connecting frame pushes the connecting frame in a stressed manner, the connecting frame slides along the direction of the connecting frame while pushing the connecting frame, then the connecting frame pushes the clamping frame upwards under the cooperation of the connecting frame, and the clamping frame rotates under the guidance of the rotating shaft and the assembling frame and clamps the workpiece from two sides of the workpiece, so that the stability of the workpiece during processing is ensured.
Drawings
Fig. 1 is a schematic perspective view of a longitudinal extrusion fixing device for a numerical control bending machine;
fig. 2 is a schematic bottom view of a longitudinal extrusion fixing device for a numerical control bending machine according to the present utility model;
Fig. 3 is a schematic structural view of a clamping assembly of a longitudinal extrusion fixing device for a numerical control bending machine according to the present utility model;
Fig. 4 is a schematic diagram of a structure of a vertical extrusion fixing device for a numerical control bending machine in fig. 3 according to the present utility model;
fig. 5 is a schematic view of a structure of a longitudinal extrusion fixing device for a numerical control bending machine at a position B in fig. 3.
Legend description:
1. A frame; 2, a machine body, 3, a distribution box, 4, a controller, 5, a die, 6, a clamping component, 61, an extrusion unit, 611, an assembly frame, 612, a rotating shaft, 613, a clamping frame, 614, a reinforcing rib, 615, a linkage frame, 62, a linkage unit, 621, a positioning frame, 622, a cylinder, 623, a connecting plate, 624, a connecting arm, 625, a connecting frame, 626, a limiting plate, 627 and a sliding block.
Detailed Description
Referring to fig. 1-5, the utility model provides a technical scheme that a vertical extrusion fixing device for a numerical control bending machine comprises a frame 1, a machine body 2 and a distribution box 3, wherein the machine body 2 is arranged on the upper surface of the frame 1, the distribution box 3 is arranged on the inner wall of the frame 1, the distribution box 3 is electrically connected with the machine body 2, a controller 4 is arranged on the side surface of the machine body 2, the controller 4 is electrically connected with the machine body 2, a die 5 is arranged on the upper surface of the machine frame 1, and a clamping assembly 6 is arranged on the surface of the machine frame 1.
In the embodiment, the clamping assembly 6 comprises a pressing unit 61, the pressing unit 61 comprises an assembling frame 611, the assembling frame 611 is fixedly connected with the side surface of the frame 1, a rotating shaft 612 is rotatably connected to the inner wall of the assembling frame 611, a clamping frame 613 is fixedly connected to the surface of the rotating shaft 612, and a linkage frame 615 is fixedly connected to one side of the clamping frame 613 away from the frame 1;
The clamping assembly 6 further comprises a linkage unit 62, the linkage unit 62 comprises a positioning frame 621, the positioning frame 621 is fixedly connected with the lower surface of the frame 1, an air cylinder 622 is fixedly connected with the lower surface of the positioning frame 621, a connecting plate 623 is fixedly connected with the driving end of the air cylinder 622, mounting cavities are formed in two ends of the connecting plate 623, connecting arms 624 are mounted on the inner walls of the mounting cavities, and a connecting frame 625 is connected to the surface of the linkage frame 615 in a sliding mode.
Specifically, the surface of the clamping frame 613 is fixedly connected with a reinforcing rib 614, and the structural strength of the clamping frame 613 can be increased through the reinforcing rib 614, so as to improve the clamping stability of the clamping frame 613.
Specifically, the inner wall of the positioning frame 621 is fixedly connected with a limiting plate 626, the side surface of the connecting plate 623 is fixedly connected with a sliding block 627, the surface of the limiting plate 626 is provided with a guiding groove, and the sliding block 627 is in sliding connection with the inner wall of the guiding groove.
In the embodiment, the positioning frame 621 can support and fix the position of the cylinder 622 to ensure the stability of the cylinder 622 in the use state.
Specifically, the clamping frames 613 are in contact with the side surface of the frame 1, the number of the clamping frames 613 is two, the two clamping frames 613 are symmetrically arranged about the frame 1, and the clamping of the workpiece placed in the machining area of the equipment can be limited by the clamping frames 613 in the clamping state.
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.
In this embodiment, the connecting frame 625 and the connecting plate 623 can be connected by the connecting arm 624, so as to ensure that the connecting plate 623 can move while the connecting arm 624 is driven to move.
Specifically, the limiting plates 626 are in contact with the side surfaces of the connecting plates 623, the number of the limiting plates 626 is two, the two limiting plates 626 are symmetrically arranged around the connecting plates 623, and the moving direction of the connecting plates 623 can be guided through the cooperation of the limiting plates 626 and the sliding blocks 627.
When the workpiece is placed on the die 5, the controller 4 is operated, the controller 4 is matched with the distribution box 3 to control the machine body 2 to work, the machine body 2 is electrified to drive the bending knife to move, the bending knife is moved to the surface of the workpiece and matched with the die 5 to bend the workpiece, the controller 4 is operated to control the air cylinder 622 to work, the air cylinder 622 pushes the connecting plate 623 upwards, the connecting plate 623 pushes the connecting arms 624 on two sides upwards under the guidance of the limiting plate 626 and the sliding blocks 627, the connecting arms 624 lift the connecting frame 625, the connecting frame 625 is stressed to push the connecting frame 615, the connecting frame 625 pushes the connecting frame 615 upwards under the coordination of the connecting frame 615, the clamping frame 613 is pushed upwards under the guidance of the rotating shaft 612 and the assembling frame 611, and the workpiece is clamped from two sides of the workpiece, so that the stability of the workpiece during processing is ensured, the clamping effect of the workpiece is ensured by arranging the clamping assembly 6, the fixing efficiency of the equipment fixing structure is improved, the equipment fixing structure is easy to damage, and the equipment fixing efficiency is reduced, and the equipment fixing structure is easy to be damaged, and the practicability is further improved.