CN108607904B

CN108607904B - Three-roller differential variable-curvature numerical control plate bending machine

Info

Publication number: CN108607904B
Application number: CN201810415552.7A
Authority: CN
Inventors: 徐通; 蔡高美
Original assignee: Nantong Kanghai Machine Tool Co ltd
Current assignee: NANTONG KANGHAI MACHINE TOOL Co.,Ltd.
Priority date: 2018-05-03
Filing date: 2018-05-03
Publication date: 2020-04-24
Anticipated expiration: 2038-05-03
Also published as: CN108607904A

Abstract

The invention discloses a three-roller differential variable-curvature numerical control plate bending machine which comprises a base, a movable lower roller and a counterweight plate, wherein the top end of the base is provided with a rack, the rack is welded and fixed with the base, the top end of the rack is provided with a fixed worm, the fixed worm is detachably connected with the rack, the left end of the fixed worm is provided with an upper roller, and the upper roller is detachably connected with the fixed worm; through having set up removal lower roll and hydraulic pump, when adjusting through last roller speed change, the accessible hydraulic pump operation, the position of adjusting removal lower roll, and then can change the curvature of change of veneer reeling machine processing work piece, and then can compensate the roller bearing variable speed and cause work piece curvature of change production error, numerical control veneer reeling machine processing's precision has been ensured, when the work piece is unloaded, accessible elevator motor circular telegram operation presses the back shaft, takes up the roller, the speed of work piece unloading has been accelerated, time saving and labor saving, staff's intensity of labour is reduced.

Description

Three-roller differential variable-curvature numerical control plate bending machine

Technical Field

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

Background

The plate bending machine is a device for bending and forming a plate by using a working roll, can form parts in different shapes such as a cylindrical part, a conical part and the like, is very important processing equipment, and has the working principle that the working roll is moved under the action of external force such as hydraulic pressure, mechanical force and the like, so that the plate is bent or rolled and formed.

The original numerical control plate bending machine has some defects, when the numerical control plate bending machine is used in operation, the variable curvature of a workpiece is changed through the change of the rotating speed of a rolling shaft, and the variable curvature of the workpiece can cause errors while the rolling shaft is changed in speed, so that the machining precision of the numerical control plate bending machine is influenced.

Disclosure of Invention

The invention aims to provide a three-roller differential variable-curvature numerical control plate bending machine, which aims to solve the problems that the original numerical control plate bending machine provided in the background technology has some defects, when the numerical control plate bending machine is in operation use, the variable curvature of a workpiece is changed through the change of the rotating speed of a rolling shaft, and the machining precision of the numerical control plate bending machine is influenced because the variable curvature of the workpiece generates errors when the rolling shaft changes speed.

In order to achieve the purpose, the invention provides the following technical scheme: a three-roller differential variable-curvature numerical control plate bending machine comprises a base, a movable lower roller and a weight plate, wherein a rack is arranged at the top end of the base, the rack is fixedly welded with the base, a fixed worm is arranged at the top end of the rack, the fixed worm is detachably connected with the rack, an upper roller is arranged at the left end of the fixed worm, the upper roller is detachably connected with the fixed worm, a reversed head is arranged at one end, away from the fixed worm, of the upper roller, the reversed head is rotatably connected with the rack, a lower roller is arranged below the upper roller, the lower roller is rotatably connected with the rack, an adjusting screw rod is arranged below the lower roller, the adjusting screw rod is detachably connected with the rack, a support shaft is arranged at one end, away from the upper roller, of the fixed worm, the support shaft is detachably connected with the fixed worm, and a press roller, the roller pressing device is detachably connected with the rack, a brake is arranged below the supporting shaft and detachably connected with the base, a speed reducer is arranged at the right end of the brake and fixedly connected with the base, a main motor is arranged at the right end of the speed reducer and detachably connected with the base, the movable lower roller is arranged in the rack, the movable lower roller is rotatably connected with the rack, a roller sleeve is arranged on the outer side of the movable lower roller and detachably connected with the movable lower roller, a hydraulic pump is arranged at the bottom end of the roller sleeve and is in transmission connection with the roller sleeve, the counterweight plate is arranged on the inner side of the roller pressing device and is in sliding connection with the roller pressing device, a roller pressing shaft is arranged at the top end of the counterweight plate and is welded and fixed with the counterweight plate, the top of compression roller axle is provided with the hand wheel, the hand wheel with the compression roller axle rotates to be connected, the one end that the outside of compression roller axle is close to the hand wheel is provided with elevator motor, elevator motor with the transmission of compression roller axle is connected, and runs through elevator motor, equal and the external power source electric connection of main motor, hydraulic pump and elevator motor.

Preferably, the movable lower roller is in transmission connection with the hydraulic pump through a hydraulic rod.

Preferably, the weight plate is in transmission connection with the lifting motor through the compression roller shaft.

Preferably, the upper roller is rotatably connected with the rack through a connecting rod.

Preferably, the supporting shaft is fixedly connected with the upper roller through the fixed worm.

Compared with the prior art, the invention has the beneficial effects that: according to the three-roller differential variable-curvature numerical control plate bending machine, the movable lower roller and the hydraulic pump are arranged, the position of the movable lower roller can be adjusted through the operation of the hydraulic pump while the speed of the upper roller is adjusted in a variable speed mode, the variable curvature of a workpiece machined by the plate bending machine can be further changed, the error of the variable curvature of the workpiece caused by the speed change of the roller can be further compensated, the machining precision of the numerical control plate bending machine is ensured, the lifting motor is arranged, when the workpiece is unloaded, the lifting motor can be used for conducting operation through being electrified to press the supporting shaft, the upper roller is taken up, the workpiece unloading speed is accelerated, time and labor are saved, and.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a left side view of the present invention;

FIG. 3 is a schematic left side view of the roll press of the present invention;

in the figure: 1. a base; 2. adjusting the screw rod; 3. reversing the head; 4. upper roll; 5. a lower roll; 6. fixing the worm; 7. a support shaft; 8. a roll press; 9. a main motor; 10. a speed reducer; 11. a brake; 12. a frame; 13. a hydraulic pump; 14. a roller sleeve; 15. moving the lower roller; 16. a weight plate; 17. a lifting motor; 18. a hand wheel; 19. and a compression roller shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a three-roller differential variable-curvature numerical control plate bending machine comprises a base 1, a movable lower roller 15 and a counterweight plate 16, wherein the top end of the base 1 is provided with a rack 12, the rack 12 is welded and fixed with the base 1, the top end of the rack 12 is provided with a fixed worm 6, the fixed worm 6 is detachably connected with the rack 12, the left end of the fixed worm 6 is provided with an upper roller 4, the upper roller 4 is detachably connected with the fixed worm 6, one end of the upper roller 4, which is far away from the fixed worm 6, is provided with a reversed head 3, the reversed head 3 is rotatably connected with the rack 12, the lower roller 5 is arranged below the upper roller 4, the lower roller 5 is rotatably connected with the rack 12, the lower roller 5 is provided with an adjusting screw rod 2, the adjusting screw rod 2 is detachably connected with the rack 12, one end of the fixed worm 6, which is far away from the upper roller 4, is provided with a support, a brake 11 is arranged below the supporting shaft 7, the brake 11 is detachably connected with the base 1, a speed reducer 10 is arranged at the right end of the brake 11, the speed reducer 10 is fixedly connected with the base 1, a main motor 9 is arranged at the right end of the speed reducer 10, the main motor 9 is detachably connected with the base 1, a movable lower roller 15 is arranged inside a machine frame 12, the movable lower roller 15 is rotatably connected with the machine frame 12, a roller sleeve 14 is arranged outside the movable lower roller 15, the roller sleeve 14 is detachably connected with the movable lower roller 15, a hydraulic pump 13 is arranged at the bottom end of the roller sleeve 14, the hydraulic pump 13 is in transmission connection with the roller sleeve 14, a counterweight plate 16 is arranged inside the pressure roller 8, the counterweight plate 16 is in sliding connection with the pressure roller 8, a pressure roller shaft 19 is arranged at the top end of the counterweight plate 16, the pressure roller shaft 19 is fixedly welded with the counterweight plate, one end of the outer side of the compression roller shaft 19, which is close to the hand wheel 18, is provided with a lifting motor 17, the lifting motor 17 is in transmission connection with the compression roller shaft 19 and penetrates through the lifting motor 17, and the main motor 9, the hydraulic pump 13 and the lifting motor 17 are all electrically connected with an external power supply.

In the embodiment, the model of the main motor 9 is Y2-160L-415KWB3, the main motor 9 is electrified to operate, the upper roller 4 and the lower roller 5 are driven to rotate, further, the workpiece is subjected to variable-curvature processing, and the normal use of the numerical control plate bending machine is ensured; the type of the lifting motor 17 is IE2-80M1-4P-B3, the lifting motor 17 is electrified to operate, the compression roller shaft 19 is driven to rotate, the weight plate 16 is driven to slide on the compression roller device 8, the weight plate 16 is driven to downwards press the supporting shaft 7, the supporting shaft 7 is forced to drive the upper roller 4 to tilt, and then a workpiece can be dismounted.

In this embodiment, the accessible changes the rotational speed of commentaries on classics roller when finely tuning the curvature of variation of work piece, change the curvature of variation, simultaneously can also pass through hydraulic pump 13 operation, change the position of removing lower roll 15, and then change or compensate the error that changes the rotational speed regulation curvature of commentaries on classics roller and realize the regulation of work piece curvature of variation, through pulling the handle, put down the upset 3, then open elevator motor 17's switch, through elevator motor 17 circular telegram operation, drive compression roller axle 19 rotates, impel the counterweight plate 16 to slide on compression roller 8, and then impel the counterweight plate 16 to push down the back shaft 7 and drive the perk of roller 4 through back shaft 7 atress, and then can lift the work piece off, accomplish work piece processing operation.

Further, the movable lower roller 15 is in transmission connection with the hydraulic pump 13 through a hydraulic rod.

In the embodiment, the position of the lower movable roller 15 is changed by running the hydraulic pump 13, so that the error of changing the rotating speed of the rotating roller to adjust the variable curvature is changed or compensated, and the variable curvature of the workpiece is adjusted.

Further, the weight plate 16 is in transmission connection with a lifting motor 17 through a compression roller shaft 19.

In this embodiment, through elevator motor 17 circular telegram operation, drive compression roller axle 19 and rotate, make the weight plate 16 slide on compression roller ware 8, and then make weight plate 16 press down and move back shaft 7 and drive through back shaft 7 atress and go up roller 4 perk, and then can lift the work piece off, reduced staff's intensity of labour, labour saving and time saving has accelerated the speed that the work piece was unloaded, has improved work efficiency.

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

In this embodiment, the upset 3 is fixed in one side of frame 12 through the connecting rod, and when upper roll 4 and lower roll 5 stall, then through handle pulling upset 3, impel the upset 3 to put down upper roll 4, then place the level in with the upset 3 to lift upper roll 4 once more through compression roller 8, and then can take out the work piece, easy operation, the convenience of unloading.

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

In this embodiment, move back shaft 7 through 16 pushes down of weight plate, and then drive fixed worm 6 atress through back shaft 7 atress to use fixed worm 6 to go up roller 4 as the fulcrum perk, reduced the wearing and tearing to frame 12 when going up roller 4 perk, and the installation is dismantled conveniently, easily changes economical and practical.

The working principle and the using process of the invention are as follows: after the device is installed, when the device is used, a power switch is turned on, then the distance between an upper roller 4 and a lower roller 5 is adjusted according to the thickness of a workpiece to be machined and the diameter of the workpiece to be machined, after the adjustment is finished, the power switch is turned off, then the workpiece is horizontally placed in a gap between the upper roller 4 and the lower roller 5, after the placement is finished, the power switch is turned on again, the upper roller 4 and the lower roller 5 are driven to rotate by electrifying operation of a main motor 9, then variable curvature machining processing is carried out on the workpiece, when the curvature of the workpiece is finely adjusted, the curvature is changed by changing the rotating speed of the rotating roller, meanwhile, the position of a movable lower roller 15 is changed by operating a hydraulic pump 13, so that the error of changing the rotating speed of the rotating roller to adjust the curvature is compensated, the curvature of the workpiece is adjusted, after the workpiece is machined, the power switch of the main motor 9, then through pulling the handle, put down the upset 3, then open elevator motor 17's switch, through elevator motor 17 circular telegram operation, drive the compression roller axle 19 and rotate, make the weight plate 16 slide on compression roller ware 8, and then make the weight plate 16 push down and move back shaft 7, drive through back shaft 7 atress and go up roller 4 perk, and then lift the work piece off, accomplish work piece processing operation, after work piece processing finishes, in time close switch, cut off external power source can.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A three-roller differential variable-curvature numerical control plate bending machine is characterized in that: comprises a base (1), a movable lower roller (15) and a weight plate (16), wherein a rack (12) is arranged at the top end of the base (1), the rack (12) is fixedly welded with the base (1), a fixed worm (6) is arranged at the top end of the rack (12), the fixed worm (6) is detachably connected with the rack (12), an upper roller (4) is arranged at the left end of the fixed worm (6), the upper roller (4) is detachably connected with the fixed worm (6), an inverted head (3) is arranged at one end, away from the fixed worm (6), of the upper roller (4), the inverted head (3) is rotatably connected with the rack (12), a lower roller (5) is arranged below the upper roller (4), the lower roller (5) is rotatably connected with the rack (12), an adjusting screw (2) is arranged below the lower roller (5), the adjusting screw rod (2) is detachably connected with the rack (12), one end, away from the upper roller (4), of the fixed worm (6) is provided with a supporting shaft (7), the supporting shaft (7) is detachably connected with the fixed worm (6), the right end of the supporting shaft (7) is provided with a pressure roller device (8), the pressure roller device (8) is detachably connected with the rack (12), a brake (11) is arranged below the supporting shaft (7), the brake (11) is detachably connected with the base (1), the right end of the brake (11) is provided with a speed reducer (10), the speed reducer (10) is fixedly connected with the base (1), the right end of the speed reducer (10) is provided with a main motor (9), the main motor (9) is detachably connected with the base (1), and the movable lower roller (15) is installed inside the rack (12), the utility model discloses a roller press, including frame (12), removal lower roll (15), roll sleeve (14) and the connection can be dismantled to removal lower roll (15), the bottom of roll sleeve (14) is provided with hydraulic pump (13), hydraulic pump (13) with roll sleeve (14) transmission is connected, the inboard at compression roller ware (8) is installed in weight plate (16), weight plate (16) with compression roller ware (8) sliding connection, the top of weight plate (16) is provided with compression roller axle (19), compression roller axle (19) with weight plate (16) welded fastening, the top of compression roller axle (19) is provided with hand wheel (18), hand wheel (18) with compression roller axle (19) rotate to be connected, the one end that the outside of compression roller axle (19) is close to hand wheel (18) is provided with elevator motor (17), the lifting motor (17) is in transmission connection with the compression roller shaft (19) and penetrates through the lifting motor (17), and the main motor (9), the hydraulic pump (13) and the lifting motor (17) are all electrically connected with an external power supply;

the movable lower roller (15) is in transmission connection with the hydraulic pump (13) through a hydraulic rod; the weight plate (16) is in transmission connection with the lifting motor (17) through the compression roller shaft (19); the upper roller (4) is rotatably connected with the rack (12) through a connecting rod; the supporting shaft (7) is fixedly connected with the upper roller (4) through the fixed worm (6);

when in use, the power switch is turned on, then the distance between the upper roller (4) and the lower roller (5) is adjusted according to the thickness of a processed workpiece and the processing diameter, after the adjustment is finished, the power switch is turned off, then the workpiece is horizontally placed in a gap between the upper roller (4) and the lower roller (5), after the placement is finished, the power switch is turned on again, the upper roller (4) and the lower roller (5) are driven to rotate by electrifying the main motor (9), then the variable curvature processing treatment is carried out on the workpiece, when the curvature of the workpiece is finely adjusted, the curvature is changed by changing the rotating speed of the rotating roller, meanwhile, the position of the movable lower roller (15) is changed by running the hydraulic pump (13), thereby compensating the error of the rotating speed adjusting curvature of the rotating roller and realizing the adjustment of the curvature of the workpiece, after the processing of the workpiece is finished, the power switch of the main motor (9) is turned off, go up roller (4) or lower roll (5) stall, then through the pulling handle, put down turn round (3), then open the switch of elevator motor (17), through elevator motor (17) circular telegram operation, drive compression roller axle (19) and rotate, make counterweight plate (16) slide on compression roller ware (8), and then make counterweight plate (16) push down and move back shaft (7), drive roller (4) perk through back shaft (7) atress, and then lift the work piece off, accomplish work piece processing operation, after work piece processing finishes, in time close switch, cut off external power source can.