CN108607904A - A kind of three roller differential variable curvature numerical control plate bending rolls - Google Patents

Abstract

The invention discloses a three-roller differential-speed variable-curvature numerical control plate rolling machine, which includes a base, a movable lower roll and a counterweight plate. A frame is arranged on the top of the base, and the frame is welded and fixed to the base. The top of the frame is provided with a fixed worm, the fixed worm is detachably connected with the frame, the left end of the fixed worm is provided with an upper roller, and the upper roller is detachably connected with the fixed worm; by setting Move the lower roller and the hydraulic pump, and at the same time adjust the speed of the upper roller, the position of the lower roller can be adjusted through the operation of the hydraulic pump, and then the variable curvature of the workpiece processed by the plate rolling machine can be changed, thereby compensating for the variable curvature of the workpiece caused by the variable speed of the roller Errors are generated to ensure the machining accuracy of the CNC coiling machine. When the workpiece is unloaded, the lifting motor can be energized to run, press the support shaft, and bring up the upper roller, which speeds up the unloading speed of the workpiece, saves time and effort, and reduces work. Labor intensity of personnel.

Description

A Three Roller Differential Speed Variable Curvature CNC Plate Bending Machine

technical field

The invention belongs to the technical field of plate rolling machines, and in particular relates to a three-roller differential speed variable curvature numerical control plate rolling machine.

Background technique

The plate rolling machine is a kind of equipment that uses work rolls to bend and form the sheet material. It can form parts of different shapes such as cylindrical parts and conical parts. It is a very important processing equipment. The working principle of the plate rolling machine is through hydraulic pressure. The action of external forces such as mechanical force and mechanical force makes the work roll move, so that the plate is bent or rolled into shape.

The original CNC plate rolling machine still has some deficiencies. When the CNC plate rolling machine is in operation, the variable curvature of the workpiece is changed through the change of the roller speed. When the roller changes speed, it may cause errors in the variable curvature of the workpiece, which affects the numerical control. The processing accuracy of the plate rolling machine.

Contents of the invention

The object of the present invention is to provide a three-roller differential speed variable curvature numerical control plate rolling machine to solve the shortcomings of the original numerical control plate rolling machine proposed in the above background technology. When the numerical control plate rolling machine is in operation, The variable curvature of the workpiece is changed through the change of the roller speed, and the variable curvature of the workpiece may cause errors while the roller speed is changing, which affects the processing accuracy of the CNC plate rolling machine.

In order to achieve the above object, the present invention provides the following technical solutions: a three-roller differential speed variable curvature numerical control plate rolling machine, including a base, a movable lower roll and a counterweight plate, a frame is arranged on the top of the base, and the frame It is welded and fixed with the base, the top of the frame is provided with a fixed worm, the fixed worm is detachably connected with the frame, the left end of the fixed worm is provided with an upper roller, and the upper roller is connected with the fixed The worm is detachably connected, the end of the upper roller far away from the fixed worm is provided with an inverted head, and the inverted head is rotatably connected with the frame, and a lower roller is arranged below the upper roller, and the lower roller is connected to the machine The frame is rotatably connected, and an adjusting screw is arranged under the lower roller, and the adjusting screw is detachably connected with the frame, and a supporting shaft is arranged at the end of the fixed worm away from the upper roller, and the supporting shaft is connected to the The fixed worm is detachably connected, the right end of the support shaft is provided with a roller, and the roller is detachably connected with the frame, and a brake is provided under the support shaft, and the brake and the base detachable connection, the right end of the brake is provided with a reducer, the reducer is fixedly connected with the base, the right end of the reducer is provided with a main motor, and the main motor is detachably connected with the base, the The lower movable roller is installed inside the frame, and the lower movable roller is rotatably connected with the frame, and a roller cover is arranged on the outer side of the lower movable roller, and the roller cover is detachably connected with the lower movable roller. The bottom end of the roller cover is provided with a hydraulic pump, the hydraulic pump is connected to the roller cover in transmission, the weight plate is installed on the inner side of the roller press, and the balance weight plate is slidingly connected with the roller press, The top of the counterweight plate is provided with a pressure roller shaft, which is welded and fixed to the counterweight plate, and the top of the pressure roller shaft is provided with a hand wheel, and the hand wheel rotates with the pressure roller shaft connected, the outer side of the pressure roller shaft close to the end of the hand wheel is provided with a lifting motor, the lifting motor is connected to the pressure roller shaft in transmission, and runs through the lifting motor, the main motor, hydraulic pump and lifting motor are all Electrically connected with an external power source.

Preferably, the moving lower roller is connected to the hydraulic pump through a hydraulic rod.

Preferably, the weight plate is connected to the lifting motor via the pressing roller shaft.

Preferably, the upper roller is rotatably connected to the frame through a connecting rod.

Preferably, the support shaft is fixedly connected to the upper roller through the fixed worm.

Compared with the prior art, the beneficial effect of the present invention is: a three-roller differential speed variable curvature numerical control plate rolling machine of the present invention, by setting the moving lower roll and the hydraulic pump, while adjusting the speed of the upper roll, it can be adjusted by The hydraulic pump is running to adjust the position of the moving lower roller, which can change the variable curvature of the workpiece processed by the plate rolling machine, and then can compensate for the error caused by the variable curvature of the workpiece caused by the speed change of the roller, ensuring the processing accuracy of the CNC plate rolling machine. The motor, when the workpiece is unloaded, can be energized through the lifting motor to run, press the support shaft, and bring up the upper roller, which speeds up the unloading speed of the workpiece, saves time and effort, and reduces the labor intensity of the staff.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the left view structural representation of the present invention;

Fig. 3 is a left view structural schematic diagram of the press roller device of the present invention;

In the figure: 1, base; 2, adjusting screw; 3, inverted head; 4, upper roller; 5, lower roller; 6, fixed worm; 7, support shaft; 8, pressure roller; 9, main motor; 10, deceleration Machine; 11. Brake; 12. Rack; 13. Hydraulic pump; 14. Roller cover; 15. Moving lower roller; 16. Counterweight plate; 17. Lifting motor; 18. Hand wheel; 19. Pressure roller shaft.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-3, the present invention provides a technical solution: a three-roller differential speed variable curvature CNC plate rolling machine, including a base 1, a movable lower roll 15 and a counterweight plate 16, and a frame is arranged on the top of the base 1 12. The frame 12 is welded and fixed to the base 1. The top of the frame 12 is provided with a fixed worm 6. The fixed worm 6 is detachably connected to the frame 12. The left end of the fixed worm 6 is provided with an upper roller 4. The upper roller 4 and the fixed worm 6 is detachably connected, and the end of the upper roller 4 away from the fixed worm 6 is provided with an inverted head 3, the inverted head 3 is connected to the frame 12 in rotation, the lower roller 5 is arranged below the upper roller 4, and the lower roller 5 is connected in rotation with the frame 12, and the lower roller 5 is connected to the frame 12 in rotation. The bottom of the roller 5 is provided with an adjusting screw 2, the adjusting screw 2 is detachably connected with the frame 12, and the end of the fixed worm 6 away from the upper roller 4 is provided with a support shaft 7, the support shaft 7 is detachably connected with the fixed worm 6, and the support shaft 7 The right end of the roller is provided with a pressure roller 8, the pressure roller 8 is detachably connected with the frame 12, the brake 11 is provided under the support shaft 7, the brake 11 is detachably connected with the base 1, and the right end of the brake 11 is provided with a reducer 10, The reducer 10 is fixedly connected with the base 1, the right end of the reducer 10 is provided with a main motor 9, the main motor 9 is detachably connected with the base 1, the moving lower roller 15 is installed inside the frame 12, and the moving lower roller 15 is connected to the frame 12 Rotation connection, the outer side of the moving lower roller 15 is provided with a roller cover 14, the roller cover 14 is detachably connected with the moving lower roller 15, the bottom of the roller cover 14 is provided with a hydraulic pump 13, and the hydraulic pump 13 is connected with the roller cover 14. The weight plate 16 is installed on the inner side of the pressure roller device 8, and the counterweight plate 16 is slidingly connected with the pressure roller device 8. The top of the counterweight plate 16 is provided with a pressure roller shaft 19, and the pressure roller shaft 19 and the counterweight plate 16 are welded and fixed, and the pressure roller shaft 19 is fixed by welding. The top of the roller shaft 19 is provided with a hand wheel 18, the hand wheel 18 is rotationally connected with the pressure roller shaft 19, the outer side of the pressure roller shaft 19 close to the end of the hand wheel 18 is provided with a lifting motor 17, and the lifting motor 17 is connected with the pressure roller shaft 19 , and through the lifting motor 17, the main motor 9, the hydraulic pump 13 and the lifting motor 17 are all electrically connected to the external power supply.

In this embodiment, the model of the main motor 9 is Y2-160L-415KWB3, and the main motor 9 is energized to run, driving the upper roller 4 and the lower roller 5 to rotate, and then performing bending processing on the workpiece, ensuring that the CNC plate rolling machine normal use; the model of the lifting motor 17 is IE2-80M1-4P-B3, and the lifting motor 17 is energized to run, driving the pressure roller shaft 19 to rotate, prompting the weight plate 16 to slide on the pressure roller 8, and then promoting the weight plate 16 Press down to understand that the support shaft 7 is forced to drive the upper roller 4 to tilt through the support shaft 7, and then the workpiece can be unloaded.

In this embodiment, when the variable curvature of the workpiece is fine-tuned, the variable curvature can be changed by changing the rotating speed of the roller, and at the same time, the position of the moving lower roller 15 can be changed through the operation of the hydraulic pump 13, thereby changing or making up for changing the rotating speed. The rotation speed of the roller is adjusted to adjust the error of the variable curvature and the adjustment of the variable curvature of the workpiece. By pulling the handle, put down the tip 3, and then turn on the power switch of the lifting motor 17, and the lifting motor 17 is energized to run, driving the pressure roller shaft 19 to rotate, and promoting the counterweight. The plate 16 slides on the pressure roller 8, and then impels the counterweight plate 16 to press the support shaft 7 downward, and the force of the support shaft 7 drives the upper roller 4 to tilt, and then the workpiece can be unloaded to complete the workpiece processing operation.

Further, the moving lower roller 15 is connected with the hydraulic pump 13 through a hydraulic rod transmission.

In this embodiment, the position of the moving lower roller 15 is changed through the operation of the hydraulic pump 13, thereby changing or compensating the error of changing the rotation speed of the rotating roller to adjust the variable curvature and realizing the adjustment of the workpiece variable curvature.

Further, the counterweight plate 16 is connected with the lifting motor 17 through the pressing roller shaft 19 through transmission.

In this embodiment, the lifting motor 17 is energized to drive the pressure roller shaft 19 to rotate, prompting the counterweight plate 16 to slide on the pressure roller 8, and then prompting the counterweight plate 16 to press the support shaft 7 downward and receive the pressure from the support shaft 7. Power drives the upper roller 4 to tilt, and then the workpiece can be unloaded, which reduces the labor intensity of the staff, saves time and effort, speeds up the unloading speed of the workpiece, and improves work efficiency.

Further, the inverted head 3 is rotatably connected to the frame 12 through a connecting rod.

In this embodiment, the topper 3 is fixed on one side of the frame 12 through a connecting rod. When the upper roller 4 and the lower roller 5 stop rotating, the toppler 3 is then pulled by the handle to impel the toppler 3 to put down the upper roller 4, and then the toppler 3 is placed level, and the upper roller 4 is lifted again by the pressure roller 8, and then the workpiece can be taken out. The operation is simple and the unloading is convenient.

Further, the support shaft 7 is fixedly connected with the upper roller 4 through the fixed worm 6 .

In this embodiment, the support shaft 7 is pressed down by the counterweight plate 16, and then the force of the support shaft 7 drives the fixed worm 6 to be stressed, and the upper roller 4 is raised with the fixed worm 6 as the fulcrum, and the upper roller 4 is lowered. Wear and tear to frame 12 when knocking, and installation and disassembly are convenient, easy to replace, economical and practical.

The working principle and application process of the present invention: After the present invention is installed, the user connects the external power supply, turns on the power switch, and then adjusts the distance between the upper roller 4 and the lower roller 5 according to the thickness of the processed workpiece and the diameter of the processed workpiece. Adjustment, after the adjustment is completed, turn off the power switch, then place the workpiece horizontally in the gap between the upper roller 4 and the lower roller 5, after the placement is completed, turn on the power switch again, and run through the main motor 9 to drive the upper roller 4 Rotate with the lower roller 5, and then perform bending processing on the workpiece. When fine-tuning the variable curvature of the workpiece, the variable curvature can be changed by changing the rotating speed of the rotating roller. At the same time, the hydraulic pump 13 can also be used to change the moving lower The position of the roller 15, and then change or make up for the error of changing the rotation speed of the roller to adjust the variable curvature and realize the adjustment of the workpiece variable curvature. After the workpiece is processed, turn off the power switch of the main motor 9, and the upper roller 4 or the lower roller 5 stops rotating. , then by pulling the handle, put down the inverted head 3, then turn on the power switch of the lifting motor 17, and the lifting motor 17 is energized to run, driving the pressure roller shaft 19 to rotate, impeling the counterweight plate 16 to slide on the pressure roller 8, and then promoting the counterweight The plate 16 presses down the support shaft 7 and drives the upper roller 4 to tilt through the force of the support shaft 7, and then the workpiece can be unloaded to complete the workpiece processing operation. When the workpiece is processed, turn off the power switch in time and cut off the external power supply. .

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of three roller differential variable curvature numerical control plate bending rolls, it is characterised in that：Including pedestal (1), mobile lower roll (15) and counterweight Plate (16), the top setting organic frame (12) of the pedestal (1), the rack (12) is welded and fixed with the pedestal (1), described The top of rack (12) is provided with fixed worm screw (6), and the fixed worm screw (6) is detachably connected with the rack (12), described The left end of fixed worm screw (6) is provided with upper roller (4), and the upper roller (4) is detachably connected with the fixed worm screw (6), it is described on The one end of roller (4) far from the fixed worm screw (6) is provided with overturn (3), and overturn (3) connect with the rack (12) rotation It connects, lower roll (5) is provided with below the upper roller (4), the lower roll (5) is rotatablely connected with the rack (12), the lower roll (5) adjusting screw rod (2) is provided with below, the adjusting screw rod (2) is detachably connected with the rack (12), the fixed snail The one end of bar (6) far from the upper roller (4) is provided with support shaft (7), and the support shaft (7) and the fixed worm screw (6) are removable Connection is unloaded, the right end of the support shaft (7) is provided with pressure roller device (8), and the pressure roller device (8) detachably connects with the rack (12) It connecing, brake (11) is provided with below the support shaft (7), the brake (11) is detachably connected with the pedestal (1), The right end of the brake (11) is provided with speed reducer (10), and the speed reducer (10) is fixedly connected with the pedestal (1), described The right end of speed reducer (10) is provided with main motor (9), and the main motor (9) is detachably connected with the pedestal (1), the movement Lower roll (15) is mounted on the inside of rack (12), and the mobile lower roll (15) is rotatablely connected with the rack (12), the movement Roller set (14) is provided on the outside of lower roll (15), the roller set (14) is detachably connected with the mobile lower roll (15), the roller The bottom end of set (14) is provided with hydraulic pump (13), and the hydraulic pump (13) is sequentially connected with the roller set (14), the Weight plate (16) it is mounted on the inside of pressure roller device (8), the Weight plate (16) is slidably connected with the pressure roller device (8), the Weight plate (16) top is provided with pressure roller shaft (19), and the pressure roller shaft (19) is welded and fixed with the Weight plate (16), the pressure roller shaft (19) top is provided with handwheel (18), and the handwheel (18) is rotatablely connected with the pressure roller shaft (19), the pressure roller shaft (19) Outside one end of handwheel (18) is provided with lifting motor (17), the lifting motor (17) passes with the pressure roller shaft (19) Dynamic connection, and run through the lifting motor (17), the main motor (9), hydraulic pump (13) and lifting motor (17) with outside Power supply is electrically connected.

2. a kind of three rollers differential variable curvature numerical control plate bending roll according to claim 1, it is characterised in that：The mobile lower roll (15) it is sequentially connected by hydraulic stem with the hydraulic pump (13).

3. a kind of three rollers differential variable curvature numerical control plate bending roll according to claim 1, it is characterised in that：The Weight plate (16) it is sequentially connected by the pressure roller shaft (19) with the lifting motor (17).

4. a kind of three rollers differential variable curvature numerical control plate bending roll according to claim 1, it is characterised in that：The upper roller (4) It is rotatablely connected by connecting rod with the rack (12).

5. a kind of three rollers differential variable curvature numerical control plate bending roll according to claim 1, it is characterised in that：The support shaft (7) it is fixedly connected by the fixed worm screw (6) with the upper roller (4).